Rotary Kiln For Calcined Magnesium Production Line Rotary kiln is composed of cylinder, gears, support device, kiln liner and kiln tail sealing equipment, kiln head hood and combustion. Cylinder as heated pivoting part, made of high-quality carbon steel plate, is supported on the support device by tyre, and there is machanical or hydraulic pressure catch wheel on the first or some gear in order to control the turning of cylinder. Gearing gyrate according to process-required rotating speed by ring gear in the middle of cylinder. Because of the need of installation or maintenance, the bigger rotary kiln has auxiliary gears, which makes cylinder gyrate more slowly. To prevent cold air come in and dust overflow, the reliable kiln tail and head sealing equipment is installed on feed and discharge end. Product application: Rotary kiln is Thermal Equipment, heating materials, it is widely used in the fields of cement, Nonferrous Metallurgy, ferrous metallurgy, refractory material, chemical materials, paper making. Product feature: 1. Support device: Advanced shaft structure, automatic temperature measuring device and electrical heating, . 2. Catch wheel: Including two kinds mechanical wheel and hydraulic pressure 3. Gears: Single or double. Control the rotating speed by buncher, DE machine and frequency variable motor. Be reliable, energy-saving, and efficient. 4. Cylinder tyre bolster: Lower bolster has three types: Fixed, zoom and floating. The structure is simple, replacement is convenient and wont hurt cylinder. 5. Sealing equipment: There are many kinds for choice according to kiln models, including air cylinder edge sealing, spring edge sealing, graphite block sealing and combination for above. The feather is adaptive for cylinder rotating and swing. And sealing effect is very good. 6. Kiln head hood: Including stationary type and flexible type.
Performance characteristics: Bag Filter is widely applied for dust collection applications in mining industry, chemical industry, pharmaceutical industry, and the production of flour, glass, metallurgy, mine, cement, building materials, etc. The bag filter is made up of the top chest, middle chest, bottom chest, dust exhauster, and jet cleaning system. There is spray tube and air outlet at the top chest. The middle box consists of perforated plate, venturi tube, filter bag, keel, pulse valve and gas cleaning system. The bottom chest is comprised of ash bucket, air inlet, access door, ash exhauster (which is composed of rotary dust valve or spiral conveyer) It could be made of carbon steel or stainless steel upon request. Dust collector is generally used with a temperature less than 120°C. Customized dust collector for usage at high temperatures (less 230°C) is also available.
1. Low noise, simple structure 2. Can be horizontal, tilt and vertical transportation 3. Strong transport capacity, long distance. (1)Classification: Conveyor can be horizontal, tilt and vertical transmission, but also the composition of space transmission lines, transmission lines are generally fixed. Conveyor transport capacity, long-distance, but also in the transportation process while completing a number of process operation, it is widely used. Main belt conveyor, plate conveyor, scraper conveyor, bucket conveyor, bucket elevator, overhead conveyors and so on. (2)Used in: Belt conveyor is widely used in mining, gravel field, metallurgy, building materials, chemical industry, mineral processing, coal mining and other industries transport material. (3)Work environment: Belt conveyor, belt conveyor for conveying bulk density of less than 1.67 / t / cubic meter, easy to dig a powder, granular, small block of low-abrasive materials and bags of materials, such as coal, gravel, sand, cement, fertilizer, and grain. Sent material temperature is less than 60 ° C. The form of their captain and assembly can be determined according to user requirements, transmission can be electric drum can also be used with a drive rack drive.
Rotary cooler is a equipment that can cooling material via the cylinder rotating to drive material processing fully heat exchange with cool air, which have series advantages like good cooling performance, bigger capacity, high operating ratio, energy saving with environmental protection, easy operation and maintenance and long life time. The cooler can be widely used for industry fields like cement, quick-lime, ceramic proppants and magnesium etc. Rotary cooler is mainly composed with driving device, support roller device, thrust roller device, cylinder, inlet, outlet and sealing device, the mainly structure features are: 1. The cooler have 2-4 support point(normally have 2-3), that will easily ensure the connecting surface of support roller and tyre parallel to cylinder axis when installation. 2. Supporting device have adopt rolling bearing that have substantially simple supporting structure, which can reduce waste power consumption and easy for change and maintenance. 3. There have adopt heat-resistance steel scales sealing device instead of old labyrinth sealing for cooler inlet and outlet, which have better sealing performance and stronger reliability, also have longer life time and easy for change. 4. There have a certain gap between tyre and cylinder, that ensure the tyre can be tightening on the cylinder to strength the cylinder when normally operating. 5. The driving system have adopt new type ac inverter speed governing technology, compare with traditional electromagnetic speed governing and dc speed governing, it has better performance on energy saving and environmental protection, also have other advantages like large speed governing scale, high efficiency, high accuracy for speed governing and steady operation.
Rotary kiln is a kind of thermal equipment calcines lump, bulk and slurry materials. It is widely used in cement & construction, non-ferrous metals, lime, ferrous metals, refractory materials, industrial chemicals, paper making industries etc. Our products advantages as follows: 1.New type technology is adopted by main driving system. Compared with traditional magnetic and dc speed regulation, its main driving system has the advantages like energy saving, environmental, wide speeding adjusting range, high performance and stable operation. 2. After the welding of bases for supporting devices of supporting roller and catching roller, vibration aging treatment should be applied for remove the welding stress. Then, use vertical lathe and boring-milling machine for integration fabrication. This process can guarantee the requirement of fabrication precision and dimension & location tolerance. Installation accuracy of rotary kiln is obviously improved. 3. Temperature measuring point is reserved at bearing base of supporting roller. It is mainly used for automation detection of kiln operation status by insert the measuring device.
The vertical preheater is a vertical preheating device that preheat calcined material, its developed on the basis of import and absorb advance technology from abroad and combine with dolomite and limestone calcination features, with characteristics such as rational structure, high rate of heat exchange, high level of automatic. It main used to preheat raw material with poor thermal stability, such as limestone, dolomite and so on. The vertical preheater is used with rotary kiln, make the high temperature air from kiln tail fully utilize, play a role in saving energy and reducing consumption, it’s a energy saving and environment - friendly product. Our products advantages: 1. Push head and main parts of body is made of heat resistance steel, so it can work in 1000~1100high temperature, and have long operation life. 2.Refractory bricks liner with good design and sealing, to insure the material is preheated equally and reach to preheating temperature. 3. Recycle the heat energy in waste air that discharge from kiln tail effective, increase utilization ratio of fuel, at the same time, it’s benefit to dedust; 4. The vertical preheater is used in calcination system, the length of rotary kiln will be shorten, to reduce the heat loss on the surface of rotary kiln and floor space; 5.With good combined revenues, the capacity will be increased 30%, thermal efficiency will be increased 40% after use vertical preheater. Vertical preheater is consist of upper feeding system, suspended ceiling device, main body, pusher system, hydraulic system and so on. Concrete structure such as below drawing. The characteristics of each sub-system is: 1. Upper feeding system It main include upper hopper, discharge chute, hopper legs and so on, its main role is to ensure complete sealing when feeding materials into main body of preheater, and avoid cool air enter into preheater. 2. Suspended ceiling device Its main role is bearing the weight of hanger bricks. 3. Main body of preheater The main body of preheater is consist of preheating room, hanger device and so on, it’s the key part of ensuring materials preheated more than 800? 4. Pusher system Include push head, liner support frame and so on, to ensure push materials steady, reliable and accurate. 5. Hydraulic system Include oil box, oil pump, motor, electro magnetic valve, hydraulic oil tube and so on, it’s main used to control pusher device, complete push action. 6. Bottom feed hopper Include feed hopper and so on, its main used to import preheated materials into rotary kiln by transfer chute for calcination. 7. Recycle system Include dust collection silo, recycle slide pipe and so on.
Lime vertical kiln, just like its name, the shape is erect. It is used for calcination limestone. Due to has low energy consumption, less cover area, less investment, wide applicability fuel, and more advantages, it was widely used in metallurgy, construction materials, calcium carbide, Nanometer calcium carbonate, aerated concrete, sugaring, etc. The vertical kiln was manufactured by ZK group with modern new technology, which is an environment protection, save energy, higher machanization and automaticity, quite modern lime kiln. Because it adopts the modern technology, make full use the cheap energy, especially pollution of gas for environment harmful( such as conventer gas, blast furnace gas, calcium carbide furnace tail gas) as the energy, turn waste into wealth. Thus will protect the environment, and produce the high quality lime with lowest cost. To use this new technology enterprise, economic benefits have increased significantly. It should be pointed out that the kiln type especially suitable for the production Nanometer calcium carbonate. Investigate its reason that the concentration of CO2 in flue gas jet can reach more than 35%, CO2 recovery cost is low. Our advantages: 1.Save energy;There are preheating zone, calcination zone, cooling zone from the top to bottom of kiln inside. The cooling air blow into the cooling zone from the bottom, though the heat transfer, the goods were cold, and the cooling air was heated, then put into the calcination zone with the heat for burning, thus reduce the energy consumption. The flue gas from the fuel after calcination enter into the preheating, make the material heat to pre-dissociation temperature. The flue temperature fall to 170-300?, then come out from the kiln. 2.The shell of kiln use four layer refractory in vertical masonry, good effect of thermal insulation, the temperature of shell will be controlled higher 60? than environment, save energy remarkably. 3.Long service life of refractory, the material not directly crash the work surface of refractory, but its fraction with work surface by gravity setting. Thus it greatly reduces the wear rate of refractory, the refractory will be used in 6-10 years in normally. 4.Less cover area, because the vertical kiln in vertical layout, feeding use the single bucket elevator in high angle layout, each functional area is decorated compact, greatly reduces the cover area.
Magnesium rotary kiln is designed according to dolomite calcination characters and Pidgeon process requirement. That is the key equipment in the calciantion process. The dolomite produced by rotary kiln with stable quality, high activity and low ignition loss that can make higher magnesium extraction rate and silicon utilization rate to save running cost. The rotary kiln is the most suitable equipment for produce magnesium. The new type energy-saving rotary kiln designed by ZK Corp. has own patent and formed dolomite calcination standard for magnesium industry in China. Our products advantages: 1. According to the character of dolomite and its calcination requirement, the structure of kiln inlet and outlet sections has been optimized. It can resolve the problem of material returning back to kiln inlet and the leakage of dust. 2.Inner of the kiln keeps micro negative pressure, dust pollution is lower. 3.Rotary kiln is even calcination, large capacity and easy to operation and maintenance. Magnesium rotary kiln is mainly compose of driving device, supporting roller, catching roller, cylinder, kiln inlet, kiln outlet and sealing device. 1. 2-3 supporting points can guarantee the contacting surface between supporting roller and tyre is paralleled with axis line of cylinder during installation. 2. Supporting device is antifriction bearing (occasionally uses slide bearing). This design has simplified the supporting device of supporting roller, and reduced the useless power loss during operation. It has the features like easy operation and maintenance. 3. Low speed unloading rotation device is designed for easy installation and commissioning. It also can guarantee unloading rotation operation during maintenance of main driving system or other emergency situation. This design can prevent cylinder from bending and deforming during the temperature is cooling down. 4. Mechanical or hydraulic catching roller is optional according to different type of rotary kiln. Both them have high accuracy and reliability, and also make sure evenly attrition of outer circle of supporting roller and tyre at the direction of complete width. 5. Radial direction contacting type sealing device is adopted at kiln inlet and outlet. They are perfect suitable for dimension tolerance of cylinder and skewing movement of cylinder. This sealing device’s feature is good performance, longer working life and easy for replacement
In order to satisfy the domestic petroleum requirement, the petroleum exploitation industry develops rapidly, the related product also expanding rapidly. Hence, it promotes chinese oil fracturing proppant industry continues development, and rotary kiln is the critical equipment for the oil fracturing proppant calcination. Zk rotary kiln is constantly optimize after discuss with many senior experts and refer experiences for many years. At present, zk designed a series of oil fracturing proppant rotary kiln according to the industry demand. Oil fracturing proppant rotary kiln special characteristics: 1. Oil fracturing proppant rotary kiln adopts adjustable speed driving with high efficient and low power consumption. 2. The fuel consumption of unit product is low and large capacity. 3. The layout of system equipment is compact and simple structure, the maintenance is convenient with light weight and low investment for civil construction. Structure of oil fracturing proppant rotary kiln:
Rotary kiln incinerator is a pyroprocessing device used to raise materials to a high temperature in a continuous process. It is widely used in the fields of cement production, nonferrous metallurgy, ferrous metallurgy, refractory material, paper-making, chemical industry and so on. Rotary kiln incinerator is usually used to burn pretreated and homogenized waste that requires size reduction, shredding, and manual sorting. The system consists of a burning layer of waste in a rotating cylinder. Waste is transported through the furnace by rotation of the inclined cylinder.Compared to movable grates, the rotary kiln incineration has a smaller capacity and is mostly used for special types of waste unsuitable for burning on a grate, such as various types of hazardous, liquid, or contaminated waste. Combustion usually takes place at temperatures above the ash melting point so that the ash is removed as liquid slag. Advantages of Rotary kiln incinerator: 1. The main drive system uses the new AC speed governing technology. It has advantages of wide speed range, high efficiency, high precision and stable operation; 2. Rotary Incinerator is micro-negative pressure operation in the cylinder with low dust pollution; 3.Rotary Incinerator is even calcination, large capacity and easy to operation and maintenance. Structure of Structure of Rotary kiln incinerator: 1.There are 2 to 3 fulcrums on kiln. It is easy to ensure the contact surface of rollers and kiln tires parallel to the cylinder axis during installing; 2.There are specific gap between the tire and cylinder. It strengthens the cylinder by confining tires after thermal expansion; 3.The supports use rolling bearing which simplified bearing structure. It reduces energy losses during Kiln operation and makes it easier to maintain and repair; 4.In order to convenient installation and commissioning, there is a kiln slow rotating devices to maintain kiln nonconventional running operation while main transmission system is under overhaul or other abnormal conditions which can occur cylinder bending and deformation during the cooling process. 5.The kiln uses mechanical or hydraulic catching wheels. They are high accuracy and reliability. The ridding rollers and tires are evenly wearing on the entire width direction and are handy adjustment.; 6.The kiln head and tail uses elastic flake radial contact sealing. It can fit the cylinder shape inaccurate and kiln deflection & axial movement. It has better sealing performance and reliability, longer service life and convenient replacement.
Sludge dryer is one professional drying equipment produced by the mining machinery manufacturers, which can be used in processing some materials such as sludge, magnetic ores, concentrate ores of metal and non-metal, the clay of cement industry and other industries. The main features of this machine are higher working efficiency, reasonable structure, significant design, higher production capacity, simple operation. The Application of Sludge Dryer This machine can be widely used in the activated sludge drying, sewage sludge drying, petrochemical sludge drying, paper making sludge drying, printing and dyeing sludge drying, tanning sludge drying, municipal sludge drying and some materials with high moisture. Our products advantages: 1.Reasonable partition can make the effect of materials dispersion become better. 2.The unique arch breaker and shaking device can effectively solve the problems including feeding device bonded, agglomeration and movement blocked in the drying process. 3.Taking the downstream craftsmanship of materials and heat flow can keep the origin of the materials. 4.Optimizing the structure design, prolonging the lifespan. Sludge dryer is mainly compose of driving device, supporting roller, thrust roller, cylinder, kiln inlet, kiln outlet and sealing device. 1. 2-3 supporting points can guarantee the contacting surface between supporting roller and tyre is paralleled with axis line of cylinder during installation. 2. Supporting device is antifriction bearing (occasionally uses slide bearing). This design has simplified the supporting device of supporting roller, and reduced the useless power loss during operation. It has the features like easy operation and maintenance. 3. Suitable shim between tire and shell will ensure the tire ring on the shell tightly to increase the shell strength. 4. The main driving system uses new type AC variable frequency technology. Compared with electromagnetic speed control and DC speed control, that can save energy, have large range & high precision of speed regulation, high efficiency and running smoothly. 5. Radial direction contacting type sealing device is adopted at kiln inlet and outlet. They are perfect suitable for dimension tolerance of cylinder and skewing movement of cylinder. This sealing device’s feature is good performance, longer working life and easy for replacement.
The Rotary Cooler is a equipment that can cooling material via the cylinder rotating to drive material processing fully heat exchange with cool air, which have series advantages like good cooling performance, bigger capacity, high operating ratio, energy saving with environmental protection, easy operation and maintenance and long life time. The cooler can be widely used for industry fields like Cement, Quick-Lime, Ceramic Proppants and Magnesium etc. Our products advantages of Rotary Cooler: 1. The rack of thrust roller and support roller device is adopt whole welding, processing vibration aging treatment, after remove welding stress, will integrative manufacture by large vertical lathe and boring-milling machine, which will ensure manufacture accuracy and form and location tolerance, also enhance the installation accuracy and reliability of the cooler. 2.Good cooling performance, higher capacity and high operating ratio. 3. Matching with various angle lifting board inside cooler, will substantially enhance the heat exchange rate and reduce cooling time. 4.Compact structure with steady operation and easy for maintenance. The rotary cooler is mainly composed with Driving device, Support Roller device, Thrust Roller device, Cylinder, Inlet, Outlet and sealing device, the mainly structure features are: 1. The cooler have 2-4 support point(normally have 2-3), that will easily ensure the connecting surface of support roller and tyre parallel to cylinder axis when installation. 2. Supporting device have adopt rolling bearing that have substantially simple supporting structure, which can reduce waste power consumption and easy for change and maintenance. 3. There have adopt heat-resistance steel scales sealing device instead of old labyrinth sealing for cooler inlet and outlet, which have better sealing performance and stronger reliability, also have longer life time and easy for change. 4. There have a certain gap between tyre and cylinder, that ensure the tyre can be tightening on the cylinder to strength the cylinder when normally operating. 5. The Driving system have adopt new type AC inverter speed governing technology, compare with traditional electromagnetic speed governing and DC speed governing, it has better performance on energy saving and environmental protection, also have other advantages like large speed governing scale, high efficiency, high accuracy for speed governing and steady operation.
Air swept coal mill is an ideal coal processing equipment that can both grind and dry, with characteristics of high efficiency, energy saving, environmental protection, 8% and above of its grinding coal can pass through the 200 mesh screen, and the water content can be under 2%, it is an ideal grinding equipment for coal powders that are used in industrial furnaces and rotary kilns and other equipment. Our products advantages as follows: 1.High grinding efficiency and low energy consumption; Less metal consumption per unit of products; 2. Continuous operation, and large production capacity; 3. Reliable performance, and low maintenance costs; 4. Fine grinding fineness, and uniform size. 5.Simple structure with large drying capacity; 6.Small vibration, low noise, good sealing, no dust spilling, clean environment, which meet the national environmental protection requirements. Air swept coal mill is consist of feeding device, main bearing, rotating parts, discharging device, high pressure starting device and lubrication system. And the feeding device is consist of feed pipe, blast pipe and etc.
As a new type of environmentally friendly materials, ceramic is widely used in petroleum, construction, chemicals, sewage treatment and other industries. Rotary kiln is the key equipment of ceramic calcining system. Its performance will directly affect the quality and cost. For the different characteristics and requirements of the traditional calcining ceramic materials, we developed the new series rotary kiln. It has the characteristics of even calcining, large capacity, high operation, energy saving, easy operation and maintenance as well as long machine life, and can reduce the equipment operating costs significantly. Ceramic rotary Kiln features : 1. For the characteristics and requirements of ceramic calcining process, we make optimize design on kiln head and kiln tail. It solved the problems of the discharge reverting and dust leakage at kiln tail to have smoothly conveying. 2. It is micro-negative pressure operation in the cylinder with low dust pollution; 3.It is even calcination, large capacity and easy to operation and maintenance. Ceramic rotary Kiln consists of gearing, supporting rollers, catching wheels, cylinder, kiln head, kiln tail sealing and other components,The main structural features are: 1.There are 2 to 3 fulcrums on kiln. It is easy to ensure the contact surface of rollers and kiln tires parallel to the cylinder axis during installing; 2.There are specific gap between the tire and cylinder. It strengthens the cylinder by confining tires after thermal expansion; 3.The supports use rolling bearing which simplified bearing structure. It reduces energy losses during Kiln operation and makes it easier to maintain and repair; 4.In order to convenient installation and commissioning, there is a kiln slow rotating devices to maintain kiln nonconventional running operation while main transmission system is under overhaul or other abnormal conditions which can occur cylinder bending and deformation during the cooling process. 5.The kiln uses mechanical or hydraulic catching wheels. They are high accuracy and reliability. The ridding rollers and tires are evenly wearing on the entire width direction and are handy adjustment.; 6.The kiln head and tail uses elastic flake radial contact sealing. It can fit the cylinder shape inaccurate and kiln deflection & axial movement. It has better sealing performance and reliability, longer service life and convenient replacement. contact: Annchen Email ID:ec03@zkcorp.com http://www.zkcomp.com/Calcining/84.html
Sand Rotary dryer is widely used for drying materials in industries like cement, mine, building materials, chemistry, food and fertilizer, etc. This rotary drying machine comes with thermocouples on the feeding and discharging device to control the temperature. Thermometers are also adopted so as to better control the working temperature (generally 350-380°) of the rotary drier. Sand Rotary dryer special features as follows: 1.Sand dryer is made of wear-resistant manganese plate, 3-4 times wear-resistant than ordinary steel plate. Raw material is with moisture within 15%, and moisture of dried material is lower 0.5-1%. Compared to traditional single cylinder drying machine, its thermal efficiency can be improved about 40% or more. 2.The outside cylinder temperature is lower than 60 degrees, and the waste gas temperature is lower than 120 degrees, and the service life of dust collector bag is more than twice of that of other collector. Coal consumption is one-third of the single cylinder dryer, save electricity 40%, with per ton consumption of standard coal lower than 9 kg. The sand dryer mainly consists of rotor, shed plate, transmission device, support device, seal ring, and other spare parts. The rotary dryer has the advantages of reasonable structure, excellent manufacture, high output, low energy consumption, convenient operation and so on.
Coal dryer can dry many kinds of materials which contain moisture, such as coal, coal slurry, slag, industrial waste, and clay stone. They are widely used in building materials, metallurgy, and chemical industry.The dryer can use coal, gas, electricity, oil and wind power to heat the dryer machine. Our products advantages of coal dryer: 1. High drying efficiency, big capacity, high running rate 2. Compact structure, operation stable, easy maintenance Coal rotary dryer is mainly compose of driving device, supporting roller, thrust roller, cylinder, kiln inlet, kiln outlet and sealing device. 1. 2-3 supporting points can guarantee the contacting surface between supporting roller and tyre is paralleled with axis line of cylinder during installation. 2. Supporting device is antifriction bearing (occasionally uses slide bearing). This design has simplified the supporting device of supporting roller, and reduced the useless power loss during operation. It has the features like easy operation and maintenance. 3. Suitable shim between tire and shell will ensure the tire ring on the shell tightly to increase the shell strength. 4. The main driving system uses new type ac variable frequency technology. Compared with electromagnetic speed control and dc speed control, that can save energy, have large range & high precision of speed regulation, high efficiency and running smoothly. Radial direction contacting type sealing device is adopted at kiln inlet and outlet. They are perfect suitable for dimension tolerance of cylinder and skewing movement of cylinder. This sealing device’s feature is good performance, longer working life and easy for replacement.
Cement rotary dryer is suitable to dry metallic and nonmetallic minerals, clay in cement industry and coal in coal mine, etc. Characteristics of cement rotary dryer include high drying capacity, smooth rotation, low energy consumption and easy operation. Our products advantages : 1. Shell adopts assembly structure and its precision has been improved a lot, which will be more convenient for transport. 2. According to different fuel properties, suitable raising plate will be adopted, which can make material get more heat exchange. 3. Sealing is simple but efficient, which can improve capacity and improve whole machine performance. 4. Its matching combustion furnace is energy-saving type, which take small area and is easy to adjust. Cement rotary dryer is mainly compose of driving device, supporting roller, thrust roller, cylinder, kiln inlet, kiln outlet and sealing device. 1. 2-3 supporting points can guarantee the contacting surface between supporting roller and tyre is paralleled with axis line of cylinder during installation. 2. Supporting device is antifriction bearing (occasionally uses slide bearing). This design has simplified the supporting device of supporting roller, and reduced the useless power loss during operation. It has the features like easy operation and maintenance. 3. Suitable shim between tire and shell will ensure the tire ring on the shell tightly to increase the shell strength. 4. The main driving system uses new type AC variable frequency technology. Compared with electromagnetic speed control and DC speed control, that can save energy, have large range & high precision of speed regulation, high efficiency and running smoothly. 5. Radial direction contacting type sealing device is adopted at kiln inlet and outlet. They are perfect suitable for dimension tolerance of cylinder and skewing movement of cylinder. This sealing device’s feature is good performance, longer working life and easy for replacement.
Pulverized coal burner is the key equipment of calcination system in metallurgical, chemical, cement, quicklime rotary kiln, its performance and operation relate to product quality, capacity, energy consumption, environment and so on. Our company design pulverized coal burner is according to different kiln type, different feature of pulverized coal and different technical conditions, with typical structure and reasonable technical parameters, ensuring the pulverized coal, primary air, secondary air mix fully, make high burning efficiency, larger heat intensity, better fire shape and easy control, its widely used in various dry and wet cement rotary kiln, steel sintering pellet rotary kiln, lime rotary kiln, chemical rotary kiln, alumina clinker rotary kiln, power plant boiler and so on. Application: Burning system of rotary kiln in power, chemical, metallurgy, construction industry and so on. Our products advantages : 1.Reasonable structure design, fire adjustment easily, not only adjustment air volume of axial air, swirling air, but also adjustment outlet section area of axial air , swirling air and coal air, to reach the goal of change outlet air speed of burner, to ensure fuel burning normally; 2.Less use of primary air, and coal air mix with primary air, secondary air fully, make burning complete, to reduce coal consumption effective; 3. Nozzle is made of special material, heat resistance and replacing easily; 4.Fire cover forming bowleffect, there is not high swirl with fire at beginning, to avoid the peak value of temperature, make the fire temperature distribute uniform and reasonable; 5.Because the combustion air mix pulverized coal fully, the burning is fast and safety, co and nox content from kiln tail exit gas are reduced, in favor of equipment operation safety and realize environmentally friendly production;
Multifuel burner is a new combustion device burning gas and coal powder in rotary kiln. It has a unique structure and reasonable parameters to ensure gas, coal powder and air, primary air and secondary air mixed sufficiently. It brings greater thermal intensity, higher combustion efficiency and easier adjustment. It can be widely applied to various rotary kilns in metallurgical and chemical industry. The burner can mix gas and coal powder for co-burning, and also can realize gas or coal powder separate burning. Application: The rotary kiln’s combustion system in electricity, chemical, metallurgy, building materials industries. Our products advantages : 1. Flame stable, no fluctuation, no flame sweeping kiln lining and prolong kiln lining life; 2. Reasonable structure design, well mixed gas and coal powder, primary air and secondary air, complete combustion, can improve the kiln thermal strength while reducing the proportion of primary air to improve the productivity of the kiln and reduce heat consumption; 3.The flame round up cover forms bowl effect and initial flame without strong eddy. It avoids temperature peaks and distributes the flame temperature rationally. This can effectively protect the kiln body and guard plate. 4.Due to fully mixing between air and coal powder, the combustion is more efficiency. It can reduce the content of CO and NOX in exhaust gas and be beneficial to safety and environmental friendly operation. 5.The nozzle is made of special materials which can resistance high temperature and easy to replace; Multifuel burner is mainly composed of piping, nozzle, Metal Ripple Hose compensator, butterfly valves, pressure measurement instruments and protective layer. Its main structural features are: 1. Pipeline There are five layers from outside to inside. They are axial flow duct, cyclone duct, gas channel, coal air channel and the central channel. 2. Nozzle Processed by special material, its outlet are can be modified to adjust the ejection speed. It is one of the key components which can maintain the flame shape and service life time. 3. Metal Ripple Hose Compensator The Metal Ripple Hose Compensator is the main components of pipe connecting, sealing and flame shape adjusting. 4. Butterfly Valves There are butterfly valves at the inlets of axial flow air, cyclone air and central air. Each air volume and proportion can be adjusted by change the channel outlet area to modify the ejection speed. 5. Pressure Measurement Instruments They are used for indirect display air speed of each channel in burners. 6.Protective Layer It is the refractory casting layer which is cast by user;
Vertical Cement Grinding Mill manufactured by China ZK Corp, for example double-swing type, underground type and step-started type jaw crusher, cone crusher, rotary crusher, single - section hammer crusher, tube coil grinding mill, grid type ball mill, bucket elevators, plate type, dissepiment and vibration feeder, screw sand mixer and heavy duty soil spreader for open-pit coal mining, are widely used for the industries of metallurgy, building construction, road construction, and chemical industry as well as silicate industry. China zhengkuang has provided various kinds of large and medium size complete sets of cement production equipments for more than 300 cement customers in domestic market. And engineering for equipment and technology, manufacturing, installation and commissioning as well as the supply of the spare parts and the training service can be offered by China ZK for customers. The gantry crane, the overhead traveling crane, tower crane, hoists, and other various kinds of crane equipment which have been designed and manufactured by China zhengkuang are widely used in the fields of handling of sluice gate for the hydro-power station, loading and unloading vehicle, outdoor handling and handling of the heavy duty components. China ZK has supplied large amount of super-high quality products for national water conservancy projects, the main Our products advantages: 1. High grinding efficiency and low power consumption. 2. Low metal consumption in unit product. 3.Bed grinding with low noise. 4. Negative pressure and low dust pollution. 5.Small floor space, compact layout, system equipment with light weight and low investment for civil construction. Structure of Vertical Cement Grinding Mill: 1. Separating efficiency increased by combined separator. 2. No need to prepare material on the disc before start up, the function including auto lift and fall roller, and on-load staring can be achieved. 3. The sealing adopt welding arc panel, structure is simple and reliable with good sealing effect. 4. The grinding roller can be turn out from the mill easily by the roller turning device, and convenient for maintenance.
