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According to the calcination character of limestone, lime rotary kiln is specialized design for production of active lime. This type of kiln can work with vertical preheater and vertical cooler to achievethe advantages like high use ratio of raw materials, complete calcination, even quality, good quality lime, high capacity output, environmental and energy saving, simple operation and longer working life. This kiln is very suitable for limestone calcination for industries like metallurgy, chemical, construction materials and etc. Our products advantages: 1.According to the character of limestone 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.Evenly heating for limestone, low rate of less calcination and over calcination. Especially suitable for the high activity lime for steel makingã?? Technical configuration is optional: matched vertical preheater can use the high temperature from rotary kiln to preheating the limestone from room temperature to decomposition condition; matched vertical cooler can cooling down the high temperature of lime in the shortest time, and process can increase the activity of lime and also easy for transportation and storage. Lime 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. Certain gap is reserved between tyre and cylinder. After thermal expand of cylinder, the tyre can tightly stick on cylinder for strength it. 3. Gear is split type combination structure which is assembled with cylinder by spring boards. The features are easy for installation, steady transmission. 4. 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.
Our advantages: 1. Comprehensive service We zk company is the professional slag powder production line supplier. We can provide both ball mill and vertical mill production process, while providing 'turnkey' service from civil engineering to commissioning. 2. Serious quality control Zkcorp has a strong capacity of manufacturing and could control product quality seriously with short delivery time. Expert installation and after-service team could ensure to finish plant installation and start running on time. 3. Low cost and proper investment. Slag vertical mill production line from zkcorp engages the advantages of simple process flow, high-efficiency of grinding, great drying capacity, efficient powder-classifying, easily-adjustable outputting size, low noise and electricity-consumption, small mill consumption, high degree of automation, low running expense, which make it suitable for small and middle plant owner.
Bauxite will be firstly crushed by jaw crusher and hammer crusher and then it will be conveyed to batching silo. After batching with other material, materials will be sent to ball mill and grinded into powder. Classifier will be used after ball mill for size grading. Here raw material will be sent to silo again. Then raw material will go to granulator and will be made into different size pellets. Pellets will be sent to screening equipment. Qualified size pellets will be conveyed to rotary kiln for calcination. Oversize pellets will be sent back for grinding. After pellets calcined in rotary kiln, we get qualified product ceramic sand. At last, ceramic will go to cooler for cooling. And will go to screen to get different size oil fracturing proppant and will be packed in ton bag. The production process ends. Our advantages: 1.Saving energy:the refractory lining of the rotary kiln consists of the outer insulation made of light refractory brick and inner compound refractory bricks. Such kind of lining will reduce the heat emission on the shell surface of the rotary kiln as much as possible. The pre-heater at the end of the rotary kiln will recycle the heat to preheat the material and save fuel by 40% and increase the output by 30%. 2.Low consumption:rotary cooler at the discharge end of rotary kiln recycles the heat of oil fracturing proppant which is discharged from the rotary kiln, and will preheat the secondary air up to 500â??. 3.Environmental protection:two phases of dust collection including cyclone filter and bag filter, will control the dust emission below the limitation of the national standard. 4.High degree of automation:plc control system improve the job efficiency.
Henan Zhengzhou Mining Machinery Co., Ltd began to manufacture equipments for Mg smelting industry from 1988, and focused on the technology upgrading and utilization. During 2003-2005, the company invented Vertical pre-heater for the calcination of dolomite. This kind of new pre-heater saves fuel by 40% and increases the output by 30%. The exhaust gas is recycled and dust emission can be controlled under 50mg/m3. This kind of new pre-heater takes up more than 85% in the market share. The company has got the patent of energy-saving rotary kiln, vertical pre-heater and vertical cooler. Our advantages: 1. Saving energy: The refractory lining of the rotary kiln consists of the outer insulation made of light refractory brick and inner compound refractory bricks. Such kind of lining will reduce the heat emission on the shell surface of the rotary kiln as much as possible. The pre-heater at the end of the rotary kiln will recycle the heat to preheat the material and save fuel by 40% and increase the output by 30%. 2.Low consumption: The vertical cooler at the discharge end of rotary kiln recycles the heat of the calcined dolomite which is discharged from the rotary kiln, and will preheat the secondary air up to 600. The vertical cooler is integrated with kiln hood to prevent the waste caused by heat emission from the discharged calcined dolomite. 3. Two phases of dust collection including cyclone filter and bag filter, will control the dust emission below the limitation of the national standard. 4. High degree of automation:PLC control system improve the job efficiency Production Technology: Pidgeon process is applied in the company Mg smelting technology. This kind of process is advanced and reliable technology. Qualified dolomite is transported into the rotary kiln for calcination; Calcined dolomite is mixed with fluorite and ferrosilicon and then pressed into briquette. The briquette is put into retorts where there is vacuum, and then deoxidized into crystallized Magnesium, which is called crude Mg. Crude Mg is smelted and refined to get pure Mg. The complete production line is divided into several systems including raw material storage, dolomite calcination, grinding&briquetting, reduction and refining.
Henan zhengzhou mining machinery co., ltd has started the light expanded clay aggregate (leca) equipment manufacturing since company foundation. We always trance the new technology developing on the leca equipment manufacturing and have cooperate with the college and r&d institute to improve the equipment performance and function. Our leca equipment have been widely used in chinese leca manufactures and won the good reputation from customers. We have begun the exported business since 2010 and create the good economic benefit. We adopt the energy saved technology and get the good efficiency. Our advantages: 1.Energy-saving environment friendly Advanced production process and large capacity for single production line with low heat loss. The advanced bag type dust collector, which is equipped in leca equipment, keeps exhaust gas below 30mg/nm3. 2.High degree of automation Leca production line is fitted with temperature and pressure monitoring instrumentation, operating parameters of the computer display, and is capable of using advanced computer control to achieve automatic operation of the entire system. 3.Saving investment Based on the features of light expanded clay aggregate (leca), double-cylinder insert type rotary kiln controls the preheating and calcination process. The energy-saving vertical preheater is equipped in leca production line with advanced process, and reasonable design and high level technology. Production technology: Light expanded clay aggregate production line, when the raw material is clay or slurry, the production flow chart shall be consist of raw material process, mixing, granulating, insert type rotary kiln burning process, cooling process, screening and bag packing. When the raw material is shale, the production flow chart shall be consist of crushing, screening, single rotary kiln burning process, cooling process, screening and bag packing. The fuel could be coal, nature gas, biomass fuel and etc.
High-frequency screen consists of vibration exciter, ore slurry distributor, screen frame, machine frame, suspension springs and sieve, etc.. Features: high efficiency, small amplitude and high frequency of screening; regarding to the working principle, it differs from the conventional screens. By means of breaking of the surface tension of slurry, together with small granularityâ??s high speed vibration on sieve cover and accelerates the separating of large-density useful mines and increases the contacting probability of the materials smaller than output granularity and the sieve pore. Therefore, it creates good condition for separating materials, especially for the small size.
Application of quarrying lime vibrating feeder device  It can provide ores and rocks within 500mm for the next working procedure. It can send shaped and granule materials into receiving equipment evenly, timely and continuously. It is widely used as crushing and screening in the industry of metallurgy, building material, chemical industry, coal mining and abrasive material. Features of quarrying lime vibrating feeder device �.Steady vibrating, reliable working and long life. �.Adjustable vibrating. The rate of flow can be changed and controlled at any time, which makes the adjusting convenient and steady. �.Little noise and low energy consumption of quarrying lime vibrating feeder device . �.Simple structure, light weight and small size. �.Easy to maintain. �.Able to protect the feeder machine from pollution of dust when using the enclosed structure.
Pulse Jet Bag Filter incorporates the advantages of the several kinds of bag filters and is equipped with high performance pulse valve. This kind of bag filter can be used in building material, metallurgy, chemical and refractory industries, especially the crushing, packing, clinker cooling and grinding workshops in cement production. It is also suitable for dust collection of coal grinding after some modification. Application: Building material, metallurgy, chemical and refractory industries. Output: Volume(m³/h): 67300-314000 Filtration area(m2): 935-4361 Net filtration area(m2): 4205 Dust content at inlet(g/m³):
Magnesium metal production line We are the leading company of magnesium production lines both at home and abroad, in the year 2011, we have signed an annual output of 100000 tons of magnesium metal project with the world iron and steel giant Korean Pohang iron POSCO company. Magnesium Calcination Process The company's magnesium production line is very famous, at present, many famous enterprises at home and abroad have chosen to cooperate with our company. Step1: Calcined--The calcined dolomite granular A. Process introduction: As a result of mining dolomite is too large in volume, So crushing and calcining bulk dolomite, make its become particles. B. Main Product: Jaw Crusher, Conveyor, Vibrating screen, Vertical preheater, Rotary kiln, Vertical cooler, etc. Step2: Grinding and balling--Raw material production and storage A. Process introduction: Calcined dolomite, using a ball mill and other equipment to the grinding ball material, storage after production well. B. The main equipment: Electronic batching scale, Bucket elevator, Ball mill, Screw conveyer, FU chain conveyor, etc. Step3: Reduction treatment -Reduction treatment raw materials A. Process introduction: Refine the raw materials, product the qualified products and sales. B. List of equipment and processes: Reduction furnace, Wind machine Vacuum pump, Jet pump, etc. Step4: Refine--produce a product A. Process introduction: Use of a series of equipment, refine the raw material, create quality products and sales them. B. The main equipments: Refining furnace, Electronic moisture device, Pouring pump, Continuous casting machine, etc.
JK Rotavator is the latest concept in agriculture mechanization and it helps the farmer to increase the productivity drastically compared to conventional Equipmentâ??s / manual work. JK Rotavator is one of the most suitable machine for large & medium farmers and removal of sugarcane stubble, rice, potato, wheat, cotton, banana, grass, vegetables etc. it retains growth of crops to give you the best yield and profit. JK Rotavator can be used in dry and wet paddy condition for pudding and to tilt soil finely incorporation every kind of crops residue in to soil and improve the organic structure of the soil. JK Rotavators are manufactured under the supervision of skilled engineers. JK Rotavators are designed specially with interchangeable gear and chain.
Ball Mill Equipment Features 1) Ball Mill Equipment is an efficient tool for grinding many materials into fine powder. 2) The Ball Mill Equipment is used to grind many kinds of mine and other materials, or to select the mine 3) Ball Mill Equipment is widely used in building material, and chemical industry. 4) There are two ways of grinding: The dry way and the wet way. 5) Ball Mill Equipment can be divided into tabular type and flowing type according to differentexpelling mine 6) To use the Ball Mill Equipment, the material to be ground is loaded into the neoprene barrel that contains grinding media. 7) As the barrel rotates, the material is crushed between the individual pieces of grinding media that mix and crush the product into fine powder over a period of several hours. 8) The longer the Ball Mill Equipment runs, the finer the powder will be. 9) Ultimate particle size depends entirely on how hard the material you're grinding is, and the time how long the ball mill runs. 10) Our Ball Mill Equipment have been used to grind glass, powder food products, create custom varnishes, make ceramic glaze, powder various chemicals.
Apron conveyor is a machine that works on the ground, it can transport material in horizontal and inclined direction. The plate chain work as a traction device, which is not only strong strength, high efficiency, reliable operation, also the conveying angle can reach 30° ~ 35° , its general bending radius is about 3 m ~ 5 m, it can also transport materials in high temperature (600 degrees Celsius~ 700degrees Celsius ). Feature: 1 Apron conveyor is a kind of slat conveyor, widely used in mine, metallurgy, cement etc. 2 It is the essential equipment in the processing of raw material or continuous production process. 3 It's suitable to convey the material that viscosity is small, big block, sharp, wear resistance and high temperature hot material. 4 They have sample structure, stable and reliable operation, long life and other advantages. Plate type chain and round link chain are the majors. 5 Our company can design and manufacture special models based on your needs. Apron conveyor: Slat conveyor that we manufactured and designed using latest technologies. Owing to high quality standards, these conveyors are effectively used in chemical industry, power plant and other areas. Designed using proper calculation, these slat conveyors are assured to be smooth and safe equipment at customer's premises. To meet the specific requirements of our clients, we offer these conveyors in various type, size and speed. 2, Technology parameters Apron conveyor is a machine that works on the ground, it can transport material in horizontal and inclined direction. The plate chain work as a traction device.
Application: Our Jaw Crusher is a trusted and reliable brand for its high quality and good manufacturing. It specializes in producing jaw crusher which is widely applied to crush high hardness, MID hardness and soft rocks and ores such as slag, construction materials, marble, etc. The pressure resistance strength is under 200Mpa, that is, suitable for primary crush. Each model has a large feed opening for its size and an ideal nip angle, giving smooth material flow, high reduction efficiency and high capacity. Their simple design conceals many advanced features that give easy operation, simple maintenance, long life and a low cost per ton. Jaw Crusher series have many advantages, such as big reduction ratio, even granularity, simple structure, reliable working condition, convenient repair and economic operation, which are widely used for mine, smelting, building material, road, railway, irrigation works, chemical and materials with compression strength no more than 320 Mpa. The structure of Jaw Crusher The structure of Jaw Crusher includes Main Frame, Main Axle, Roller Bearings, Eccentric Shaft, Jaw Plates, Side Plates, Toggle Mechanism, Fly Wheels and Springs Jaw crusher Features and Benefits: 1) High capacity 2) High reliability 3) Adjustable for easy wear parts 4) over-loading protection 5) simple structure and easy to operate 6) Long service time 7) Easy replacement of wear and spare parts 8) Less costly and Easy to install 9) Wide range of choices
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.
High quality sheave wheel linear, white color, widely used for sheave wheel, hoist, produced per customer's drawing.
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.
