NW:1440.75 CAS15245-12-2 Appearance: white round granule Solubility: soluble in water. EINECS NO.:239-289-5 Applications:It is a new nitrgenous and calcareous fertilizer with characteristics of high efficiency and quickly make-up Nitrogen, widely used in greenhouse and large areas of farmland,.It improves the soil and granulates the soil making it anti-caking. In planting economic crops, flowers, fruits, vegetables and other crops, the fertilizer can extend florescence,spurs the root, the stem and the leaf to grow normally, guarantees fruits in gay colors and increases carbohydrate contents in fruits.It is a high efficiency environmental protection greening fertilizer. It is kind of new-type high efficient compound fertilizer,and can make-up nitrogen quickly. Having increased the calcium and magnesium among them,the nutrient is more than ammonium nitrate,the plant can be absorbed directly This product belongs to the neutral fertilizer,and can improve the soil. It can change the PH valve of the soil, make the soil loose, reduce active density of aluminiumat the same time ,and offer water soluble calcium, improve the resistance to the disease of plant. It can lengthen florescence, impel the root, stem,leaf to grow normally,guarantee the color of the fruit bright, increase the fruit candy. Storage: Sealed, in cool and dry place, avoid rain and insolation Handling and storage:Store in dry ventilated house away from moisture.Don't store in goods yards or expose to the air.Protect the material from rain when loading and unloading. Be sure to keep from contaminant.Avoid handling and transporting together with acid substances. In the event of a fire,use water as extinguishing agent.
Sodium nitrate:99.5% MF:NaNO3 MW:84.99 CAS NO. 7631-99-4 Product Feature: colorless cone crystal or rhombus crystal or white fine crystalline powder Applications:The material of chemicals, picric acid, dye and explosive, nitrifier, defoamer, decolor agent, clarificant, flux, chromogenic reagent, antimicrobial agent, antiseptic . Packing:Plastic bag lined woven bag, Net wt. 25/50kg.
MW:69.00 CAS number: 7632-00-0 Standard:GB2367-90 Formula: NaNO2 Physical property data: SG:2.168 MP:271degree Celsius Appearance: Sodium Nitrite is white or slight yellow crystal Product Feature: Sodium Nitrite is white or slight yellow crystal Applications: mordant ,bleaching agent, heat treatment agent, inhibitor, reagent, vasodilator and material of chemicals . Packing: PE bag lined PP woven bag,sealed by mechanical sewing. Net wt.50kg or 25kg.
Classification:Nitrogen Fertilizer Type:Ammonium Nitrate CAS No.:15245-12-2 Other Names:Calcium Ammonium Nitrate MF:5Ca(NO3)2.NH4NO3.10H2O EINECS No.:239-289-5 Place of Origin:Shanxi, China (Mainland) Release Type:Quick State:Granular Purity:N: 26% Application:Agriculture Brand Name:LEIXIN Color:white round granule 26% nitrogen calcium ammonium nitrate Certificate:ISO9001 Nitrogen:26%min Package:plastic woven bag / paper plastic compound bag Granularity:2-4mm Solubility in Water:Quick PH:5.6-6.8 Net weight:25/50/500/800/1000kgs 26% nitrogen calcium ammonium nitrate Sample Service:Offered Application: It is a new nitrogenous and calcareous fertilizer with characteristics of high efficiency and quickly nitrogen supplement. 1). Applied in greenhouse and lareg-area farmland, it improves the soil and granulates the soil making it anti-caking. 2). When employed in industrial crops, flowers, fryits and vegetables, it extends florescence, spurs the root, the stem and the leaf to grow normally, guarantees fruits in gay colors and increases carbohydrate contents in fruits. 3). It is a high-efficiency environmental prodtection greening fertilizer.
Classification:Nitrogen Fertilizer Type:Ammonium Nitrate CAS No.:13477-34-4 Other Names:fertilizer calcium ammonium nitrate boron 15.5-0-0 MF:CA(NO3)24(H2O) EINECS No.:233-332-1 Place of Origin:Shanxi, China (Mainland) Release Type:Quick State:Granular Purity:N: 15.5% Application:Agriculture Brand Name:LEIXIN Color:yellow granular Certificate:ISO9001 Nitrogen:15.5%min Package:plastic woven bag / paper plastic compound bag Granularity:2-4mm Solubility in Water:quick supplement Boron:0.3% min Net weight:25/50/500/800/1000kgs Sample Service:Offered fertilizer calcium ammonium nitrate boron 15.5-0-0 Applications:It is a new nitrgenous and calcareous fertilizer with characteristics of high efficiency and quickly make-up Nitrogen, widely used in greenhouse and large areas of farmland,.It improves the soil and granulates the soil making it anti-caking. In planting economic crops, flowers, fruits, vegetables and other crops, the fertilizer can extend florescence,spurs the root, the stem and the leaf to grow normally, guarantees fruits in gay colors and increases carbohydrate contents in fruits.It is a high efficiency environmental protection greening fertilizer.
CAS NO. 10377-60-3 EINECS No.: 215-809-6 MF: CaMg(NO)3 other name: CMN Appearance: white granule Applications: A new efficient water soluble fertilizer with the content of nitrogen nitrate calcium and magnesium,good physical and chemical performance stable water-stable aggregate improve soil increase the fruit quality,increase production and income. Packing:in 25/50 PP/PE bag.
Introduction of polyacrylamide Polyacrylamide is water-soluble polymer, appearance is white or light yellow toner particles, easy bibulous, long-term thermal decomposition, decomposition temperature above 200 , under anaerobic conditions, 210 carbonized to black powder. Insoluble in most organic solvents, has good flocculation sex, can reduce the friction resistance between liquid, ion characteristics can be divided into non-ionic and anionic, cationic and amphoteric four types. Polyacrylamide is a kind of abnormal function of the fine water disposal reagents, and is non-toxic, does not pose too much persecution to water quality. Polyacrylamide flocculation treatment of waste water, cover an area of an area small, less investment, strong adaptability, a brief, high processing efficiency, can control the space is large, etc. PH value is too low, acid easily provoked explosion together, constitute a crosslinking shape insolubles, spending anionic polyacrylamide and lower part; With the increase of PH value, weak alkaline acid reaction solution increased, spending amount of polyacrylamide part gradually cut, good ablation. Polyacrylamide is a kind of efficient additives, is a good assistant, we purify environment polyacrylamide is widely used as flocculant, suspended in liquid has a good job. Many enterprises in order to environmental protection is done using polyacrylamide flocculant, more common is the water purification, textile, coal, paper and other industries. Polyacrylamide is mainly used as pulp fiber and additive of adhesives, polyacrylamide for waste water treatment at the same time. Polyacrylamide has been widely used in water treatment, paper, glue, urban sewage, oil, coal, mining and metallurgy, geology, light textile, construction and other industrial sectors. Especially the flocculation performance application in all walks of life are essential.
Brown fused alumina purposes Brown fused alumina called industrial teeth: mainly used in refractory materials, grinding wheel, sand blasting. 1. Sand corundum, sandblasting abrasive hardness is moderate, the bulk density is high, no free silica, than major, good toughness and okay brown fused alumina is the ideal "environmental protection" type sand blasting materials, widely used in aluminum, copper profile glass, washing jeans precision molds, and other fields; 2. The free abrasive, abrasive abrasive, applied to the tube, optical glass, monocrystalline silicon, lenses, clocks with glass, crystal glass, jade in areas such as free grinding, grinding is adopted widely in the domestic advanced materials; 3. The resin abrasive, abrasive has color appropriate, good hardness and toughness, suitable particle cross section type and keeping degree blade, used in resin abrasive, effect is ideal; 4) is coated with abrasive, abrasive abrasive paper, gauze and other manufacturers of production materials; 5. Brown fused alumina filler - is mainly used for automobile brake parts, special tires, special construction products such as led can be used as building highway pavement, airport runway, docks, car parks, industrial floor, wear-resisting material such as sports venues; 6. Filter medium, is a new kind of application field, abrasive using granular grinding for the bottom of the medium filter bed, purify drinking water or wastewater, is a new type of water filtration materials at home and abroad, especially suitable for non-ferrous metal processing, oil drilling mud weighting agent: 7. Hydraulic cutting - an abrasive abrasive cutting medium, rely on high pressure water jet cutting, basic application in the oil (gas) pipe, steel components, such as cutting, is a new type, environmental protection, safe way of cutting. Customer base: washed denim sandblasting room of shipyard shipyard steel structure factory powder factory our sandpaper, ShaBuChang crystal glass industry building floor steel hardware industry electronics qi car manufacturing coast terminals, hospital stadium parking lot. Sand industry cooperation content to all types of users such as the floor aggregate and abrasive. 8. The product is reliable, stable performance, good quality, easy to use.
Properties and advantages of white fused alumina 1, does not affect the color of the processed parts; 2, can be prohibited in the process of using iron powder residue to sand blasting; 3, micro powder grade is very suitable for wet sand blasting and polishing operation; 4, fast processing speed, high quality; 5, the amount of iron oxide is extremely low suitable for the sand blasting operation is strictly prohibited; Physical and chemical index Chemical index Physical index Al2O3 More than 95% Knoop hardness 2000-2200Kg/mm2 Fe2O3 Less than or equal to 0.4% Mohs hardness Nine Na2O Less than or equal to 0.22% Bulk density 1.53-1.99g/cm3 SiO2 Less than or equal to 0.04% True density 3.9-4.9g/cm3 White corundum purpose 1, can be used in all kinds of sand blasting and polishing (Lapping) operation; 2, Boli or acrylic crafts aesthetic feeling of atomization processing; 3, the TV screen in the process of blasting; 4, the silicon wafer cutting; 5, tooth mold cleaning sand blasting; 6, precision casting sand; 7, advanced refractories and other ceramic additives. The removal of 8, electronic parts, core flash, eliminate processing White corundum application field White corundum abrasives are suitable for all kinds of high-end product, process or beautify processing, hardware and other products surface after sand blasting surface clean without any impurities, cleaning trouble. Fine white corundum can be used for polishing. White corundum used as additive in various products. White corundum as a solid and coated with abrasive, wet or dry, or spray sand, suitable for crystal, ultra precision grinding and polishing in electronics industry and making high-grade refractory materials, etc. White corundum is suitable for machining hardened steel, alloy steel, high speed steel, high carbon steel hardness is harder, such as tensile strength of the larger materials. White corundum used as touch media, insulator and precision casting sand, etc. White corundum used for iron artifacts to rust, dirt, scale, increasing the coating, coating adhesion; White corundum used in aluminum workpiece to scale, surface strengthening, finishing effect; White jade for the bronze artifacts to skin inferior smooth effect, glass crystal frosted plastic, engraved designs, inferior smooth effect, special fabrics such as denim fluffy effect of processing and design.
Summary Spodumene is monoclinic crystal shape, often Chengzhu, granular or plate. Color is gray, gray green, purple or yellow, hardness 6.5-7, density 3.03-3.22g/cm3. As a raw material for lithium chemical products, widely used in lithium chemical, glass, ceramic industry, enjoy the "industrial monosodium glutamate" in the world. Use of lithium Ceramic industry: in the ceramic body adding spodumene can improve ceramic products, the strength, density, acid resistance and thermal shock resistance, can reduce the water absorption rate and linear shrinkage rate. Adding the right amount of spodumene in glazes and frits, can reduce the coefficient of thermal expansion (CTE products, glaze to improve the high temperature flow, reduce the viscosity and improve the glazed whiteness, gloss, hardness, and corrosion resistance, improve the grade of products. At the same time, the products with finished product appearance, and durable, scrap rate low characteristic. Second, metallurgical industry: in metallurgical and foundry sand adding spodumene to eliminate casting veining defect, reduce or eliminate casting thermal expansion defects, defects of gas, and the role of anti sticking sand; after adding spodumene in continuous casting protecting slag to reduce the melting temperature of the slag, reduce the high temperature viscosity, lubrication condition optimization, can inhibit the casting under the high temperature oxidation, carbonization. After three, refractory industry: in refractory material adding spodumene can reduce the sintering temperature, so it is refractory industry preferred sintering mineralizer; refractories mechanical strength, thermal shock resistance and volume stability can be improved; can enhance the refractory corrosion resistance of high temperature, prolong the service life of the refractory; widely used in Mo mullite, cordierite shed plate, crucible, sagger, heat plate temperature refractories and refractory castable, plastics, mending material, spray coating, adhesive, paint and other unshaped refractory materials.
CAS NO: 77-92-9 Appearance: colorless crystals or white crystalline powders Package: 25kg/kraft paper bag Application: 1.Widely used in all kinds of drinks, soft drinks, wine, candy, snacks, biscuits, canned fruit juices, dairy products, also can be used as a cooking oil antioxidants. Anhydrous citric acid used in solid drinks a lot. 2. Citric Acid is a good rock mixture, Can be used for testing the acid resistance of ceramic tile of architectural pottery reagents. 3. Citric acid and sodium citrate buffer used for flue gas desulfurization 4. Citric acid is a kind of fruit acid, can be used to accelerate the cutin renewal,commonly used in lotions, creams, shampoo, whitening, anti-aging products, acne products.
Recarburizer used In the smelting process, due to the ingredients or improper loading and decarbonization excess and other reasons, sometimes resulting in steel carbon content did not reach the top of the requirements, then to the carburization of molten steel. Recarburizer used a carbon electrode, iron powder, petroleum coke powder, charcoal powder and coke powder. Smelting, high carbon steel, containing less impurities in oil Jiaozuo carburetant. The top blown converter steelmaking carburant is high fixed carbon, ash, volatile matter, sulfur, phosphorus and nitrogen impurity content is low, and dry, clean, moderate granularity. 1 furnace input method: Recarburizer used in induction furnace for melting, but the specific use according to the technological requirements are not the same. (1) used in the intermediate frequency electric furnace smelting carburant, according to the ratio of and carbon equivalent requirements with the mixture into furnace in the middle and lower part and recovery rate can reach more than 95%; (2) if the lack of adjustment of carbon carbon content when it first hit the net furnace slag, plus carburant, by raising the temperature of molten iron, electromagnetic stirring or artificial stir to dissolve carbon absorption, recycling rate in about 90%, if the use of low-temperature carbonization process, the melt furnace charge only a part of, the molten iron temperature lower, all recarburizer one-time addition of iron liquid, also with solid charge will pressing it into the liquid iron does not let its exposed out of the surface of the molten iron. The method of iron liquid carbon can reach more than 1%. 2 external carbon furnace: (1) package of graphite powder spraying Choose recarburizer graphite powder, blow into the amount of 40kg/t, is expected to make iron carbon content increases from 2% to 3%. With the carbon content in liquid iron is increased, decreased utilization of carbon, carbon before the molten iron temperature is 1600 degrees centigrade, the average is 1299 DEG C after carburizing. Graphite powder spray carbonization, generally uses nitrogen as a carrier, but under the condition of industrial production, it is more convenient to use compressed air, and the compression of oxygen in the air generated by the combustion of CO (2) when the iron using recarburizer Can be 100 - 300 to graphite powder carburizing agent into the bag, or from the iron tank with flow into, the end of the liquid iron after fully mixing, as far as possible to dissolve carbon absorption, carbon recovery rate in about 50%.
Coal powder. Coal, referred to as coal, is the ancient plant remains, buried in the ground, through the earth's crust to isolate the air pressure and temperature conditions, resulting in the carbonation of fossil minerals, mainly used as a fuel for human. Coal for industrial modernization, whether it is heavy industry, light industry; both the energy industry, metallurgy industry, chemical industry, machinery industry, or textile industry, food industry, transportation play an important role Coal powder characteristics Compared with ordinary pulverized coal, coal powder produced by our plant has the following advantages: 1, bright carbon value, volatile and char residue high characteristic, ash content, low gas, a wide range of gas temperature, anti sticking sand and anti clip sand ability etc. advantages. 2, add a little amount, can reduce the sand clay content and water content, sand and new supplement and bentonite usage and improve the sand permeability, mobility and flexibility, especially to prevent casting of sticky sand, sand inclusion, blowhole defect have unique effect. Physical and chemical index Product Name Quantity of heat Volatile parts Sour ash content Water content Fixed carbon coal About 6000-8000 calories About 10% About 0.3 About 8 About 6 More than 70% Mechanism of coal dust preventing sand sticking 1, in molten metal under the action of high temperature mold surface of pulverized coal produced a large reduction of the gas, to prevent oxidation of the molten iron, and iron on the surface of iron oxide reduction, reduction of metal oxides and sand the possibility of chemical reaction. In the cavity, the reducing gas mainly comes from the volatile matter of coal powder 2, after the heating of coal began to soften, with plasticity. If by the beginning of softening to curing between relatively wide temperature range and time long, buffer quartz grains in the heat, the temperature interval and the formation of expansion stress, which can reduce the casting defects caused by thermal expansion of the sand. 3, the pulverized coal after heated gas, liquid and solid three-phase colloid, colloid volume expansion part jam pore between grains, molten iron is difficult to penetrate. 4, pulverized coal in the heat generated by the carbon hydride (mainly aromatic volatile points in 650 DEG to 100 DEG C high temperature, in a reducing atmosphere in the occurrence of gas phase pyrolysis and on the interface of the liquid metal and mold precipitation layer with fine crystalline carbon luster, known as lustrous carbon.
Chromium oxide green [Chinese name] chrome oxide green [English name] oxide green chrome, oxide green chromium [alias] s N Y N have a Cr2O3 and Hu, R and S [chemical] Cr2O3 Chrome oxide green by chromic acid, sodium bichromate (or potassium) and sulphur by calcination. The thermal decomposition of the ammonium dichromate or. High temperature resistance, light resistance, resistance to various chemicals. Products of pure natural chlorophyll near infrared reflectance (Al2O3) close to the Mohs hardness only to diamond, corundum. With metallic luster, with magnetic, strong hiding power, high temperature resistant, resistant to sunlight, insoluble in water, soluble in acid, in the atmosphere is relatively stable, did not affect the concentration of acid and alkali and sulfur dioxide gas, is to highlight the excellent quality of pigment and fastness. Insoluble in water, acid and organic solvents, slightly soluble in concentrated sodium hydroxide solution, dissolved in hot sodium bromate solution and heat concentrated perchloric acid solution or boiling parathion mixed acid. The light, atmosphere, and corrosive gases (H2S, SO2, etc.) are extremely stable and good weather resistance. In case of thermal stability, is the quality of refractory materials. Chromic oxide mainly used in metallurgy, paint, polishing, refractory materials and new development of the molten coating etc.. Physical and chemical index Syngony Six party system colour Green powder Chemical formula Cr2O3 molecular weight One hundred and fifty-one point nine nine density 5.21g/cm3 Mohs hardness 8.5-9 Refractive index Two point five Specific heat (20 degrees C) /0.17J/ (g, K) melting point 2265 degrees C boiling point 3000 degrees C Chromium oxide green application Chrome oxide green for smelting metal chromium and chromium carbide, enamel, ceramics, glass, artificial leather, refractory materials, building materials, coloring, catalysts for organic synthesis, manufacturing fast material and the printing of paper money in the special ink, metal polishing abrasive materials, metal surface infiltration chromium, magnetic materials. Used in coatings, ceramics, rubber, fine arts pigments, and camouflage coatings. Gongyi city hong the refractory material co., LTD Touch: king red Hand machine: +8615738820391 or +8613703907568 Q Q: 3515543650 or 1021618538 Mail box: 3515543650 @qq.com ; 1021618538@qq.com Address: zhengzhou, henan gongyi city Web site: https://shop1467133631327.1688.com
Polyacrylamide characteristics 1: PAM) flocculation can make the suspended material by charge neutralization, adsorption bridging, flocculating action. 2) adhesion: can be through mechanical, physical, chemical role, play the role of adhesion. 3 resistance: PAM can effectively reduce the friction of the fluid, water to join trace PAM can reduce resistance 80% - 50. 4) thickening: PAM in neutral and acid conditions are thickening effect, when the pH value at 10 C above PAM easy to hydrolysis. When the semi network structure, the thickening will be more obvious. Polyacrylamide application Anionic polyacrylamide 1, mainly used as a flocculant: for suspended particles, coarse, high concentration, particle with positive charge, water pH is neutral or alkaline water, due to the anionic polyacrylamide molecular chain containing a certain amount of polar groups to adsorption of solid particles suspended in the water, etc. 2, used in petroleum industry, oil production, drilling mud, waste mud treatment, prevent water channeling, reduce friction, improve oil recovery, the three oil recovery has been widely used. Two, cationic polyacrylamide Cationic polyacrylamide in acidic or alkaline media showed positive electricity, it usually is lower than the molecular weight of anionic or non-ionic polyacrylamide, the performance of the Chengcheng clean sewage is mainly obtained by charge neutralization. Three, non ionic polyacrylamide Due to its molecular chain containing a certain amount of polar gene can adsorb the suspended solid particles, the particle formation of large flocs, it accelerated the settlement of particles in suspension, have very obvious to speed up the solution to clarify, promote the effect of filtration, widely used in chemical industry waste water, wastewater treatment, municipal sewage treatment. Four, gender ion polyacrylamide Product form: gender ion polyacrylamide (ACPAM) appearance is white powder. Product features: the two gender ion polyacrylamide containing cationic and anionic groups, it has the general characteristics of the use of cationic flocculant, the performance of the more excellent performance. The main purpose: oil field profile control and water plugging agent, and crosslinking agent, stabilizer, coagulant combined effect, the formation of an important polymer gel and resin gel of high strength agent gel plugging agent. Adapt to different geological conditions. A variety of oil, organic, inorganic, sewage, complex sewage treatment. PH change in the sewage system for sewage Sludge dewatering, papermaking additives.
CAS NO: 532-32-1 Appearance: white powder, granular or columnar, easy soluble in water Package: 25kg net bag
Black corundum performance Black corundum and low aluminum corundum, blue corundum, is in electric arc furnace, the bauxite made by melting a AL2O3 spinel is given priority to with iron ore phase of the colored crystals, its characteristic is AL2O3 content is lower, and has a certain amount of Fe2O3 (10%), and therefore, moderate hardness and great toughness, self-sharpening, good bonding, high durability, produce less heat when grinding, high temperature resistant, not easy to scratch the surface of the workpiece surface roughness is high. Black corundum and low aluminum corundum, blue corundum, is in electric arc furnace, the bauxite made by melting a AL2O3 spinel is given priority to with iron ore phase of the colored crystals, its characteristic is AL2O3 content is lower, and has a certain amount of Fe2O3 (10%), and therefore, moderate hardness and great toughness, self-sharpening, good bonding, high durability, produce less heat when grinding, high temperature resistant, not easy to scratch the surface of the workpiece surface roughness is high. Hei Gangyu use 1, free grinding, such as metal parts electroplating before the bottom polishing, aluminum products. 2, bicycles, motorcycles, sewing machines, watches and clocks parts. Polished 3, lighting, plastic and hardware tools, and is also suitable for sand (rust, glass flower). 4, material processing, manufacturing resin cutting blade, angle grinding and coated abrasives. 5, black corundum sand granularity and powder is particularly suitable for grinding and polishing stainless steel workpieces and oilstone, grinding paste. 6, black corundum section of sand is the preferred material for non slip road and coal pit storage. Matters needing attention: 1, transport and handling: in the transport process, not drag hook, should prevent mixed with the solid material, strong vibration, friction, hit, hit, forbid throwing should be lightly armed light discharge to reduce black corundum breakage of packing, the impact of the use. 2, storage: should be stored in a cool and dry place, to prevent internal and external packaging bag break, prevent moisture and adsorption of other substances in the air, affect the use effect. It is strictly prohibited to mix with poisonous and harmful gas or volatile matter, and keep away from the source of pollution.
Summary Molecular sieve is a kind of cubic crystal aluminosilicate compounds. Molecular sieve has the advantages of uniform porous structure, the diameter of the aperture size uniform, these holes to the adsorption of molecules smaller than the diameter of the cavity to the internal, and the polar molecules and unsaturated molecules has a preferential adsorption capacity, and are better able to different degrees, different saturation degree, molecular size and the boiling point of different molecules are separated, that is "screening" molecular, the so-called molecular sieve. Molecular sieve has the advantages of high adsorption capacity, high thermal stability, and so on, so that the molecular sieve is widely used. Molecular sieve classification 3A molecular sieve Chemical formula:, 1/3Na2O, Al2O3, 2SiO2, 9/2H2O, 2/3K2O Silicon aluminum ratio: SiO2/ Al2O3 = 2 Effective aperture: about 3A Application: mainly used for all kinds of liquids (such as ethanol dry, gas drying, dry methane gas, refrigerant drying, unsaturated hydrocarbon and pyrolysis gas, ethylene, acetylene, propylene, butadiene drying, alcohol and all kinds of solvent dehydration. 4A molecular sieves Chemical formula: Al2O3, 2SiO2, Na2O, 9/2H2O Silicon aluminum ratio: SiO2/ Al2O3 = 2 Effective aperture: about 4A Application: mainly used for natural gas and chemical gas and liquid, refrigerants, pharmaceuticals, electronics and materials and volatile substances dry, purified argon, methane, ethane, propane separation. 5A molecular sieves Chemical formula: 3/4CaO, 1/4Na2O, Al2O3, SiO2 2, 9/2H2O Silicon aluminum ratio: SiO2/ Al2O3 = 2 Effective aperture: about 5A Application: it is mainly used for the separation of the isomers of alkanes, oxygen and nitrogen separation, chemical industry, petroleum and natural gas, ammonia decomposition gas and other industrial gases and liquids. 13X molecular sieve Chemical formula: Al2O3 2.45SiO2 6.OH2O Na2O Application: industrial gas drying and purification, can also be used as a carrier. Purification of raw gas for air separation unit (simultaneous removal of H2O and CO2). Desulfurization of liquid hydrocarbons and natural petroleum gas (removal of hydrogen sulfide and thiol).
Anode block The anode block is used in the 18 groove of the electrolytic cell. In the life cycle of anode carbon block, with anode were gradually consumed, anode mechanism driven carbon anode piece of the fall to ensure the electrolyzer stable configurations. When used for a certain period of time, the carbon block has become very thin (about L3 ~ 18cm), in order to prevent the molten electrolyte for the anode steel claw must replace the new anode carbon block group. These residual carbon blocks are called as residues. High calorific value, dry without water, 1 tons equivalent to 1.5 tons of metallurgical coke. Maximal residual anode carbon block is generally in the range of 15% to 25%. Residual very for a long time and electrolyte contact containing higher electrolyte components, such as aluminum, sodium, potassium, calcium, magnesium, lithium, fluorine composition, appearance is often accompanied by electrolyte formed by crust. Residue after cleaning can be used in the production process of anode materials. From the electrolytic tank to replace the residual polar group, to remove residual surface electrolyte shell, and then use the residual anode pressure disengaging machine or manual remnant pole and the guide rod is separated. With a hammer or press off and make the steel claw separating ring on iron claw. Residual anode on the residual electrolyte should be carefully cleaned, carbon product conductivity and oxidation activity of these electrolytes because, due to the gas permeation and gasification, the volume density of the residual anode decreased. After crushing and screening, the residues are divided into different sizes, which are used as a kind of aggregate to be added when the anode carbon block or anode paste is produced. Residues can also be used as fuel for smelting. Physical and chemical index Test item Detection index Test item Detection index C More than 98% Ash Less than or equal to 5% Total S Less than or equal to 1.5% Volatile parts Less than or equal to 2.3% Water Less than or equal to 1% Quantity of heat 8000 calories Anode block application Generally speaking, the tank after stripping and cleaning the anode mud, can be melted and cast anode. Some lower pole can also be used for other purposes, for example, copper sunset very as cold material added to the converter, can also be used as a raw material for manufacture of copper sulfate; nickel residual anode can be used for manufacturing of nickel ions in the electrolyte.
Brief introduction of iron powder Iron powder according to particle size, habit is divided into coarse powder, medium powder, fine powder, fine powder and ultra-fine powder five grades. Particle size of 150 to 500 mu m range of particles composed of coarse powder, particle size of 44 to 150 m for the medium powder, 10 to 44 m for fine powder, 0.5 ~ 10 m for the very fine powder, less than 0.5 m for the ultra-fine powder. General will be able to through a 325 goal quasi sieve particle size of less than 44 m powder known as Subsieve powder, if more high precision screen specific provisions can only be used air classification equipment, but for a number of easy oxidation of the iron it can only be used JZDF nitrogen protection classifier to do. Reduced iron powder, gray or black powder, also known as double suction agent, can absorb moisture and oxygen in the air, commonly used in food preservation. Reduced iron powder generally consisted of Fe3O4 under high temperature conditions in the flow of hydrogen or carbon monoxide gas reduction and generation, the main ingredient for the loose structure of elemental iron. Atomized iron powder with high compressibility, high green strength, single pressure can obtain density in pressure slab 6.80g/cm3 above, especially to the pressing and sintering with high strength parts. The scope of atomized iron powder: density in the sintering deposit of more than 6.80g/cm3 is parts, powder metallurgy forging parts. Iron powder characteristics: I plant iron, iron, HW, iron ore, atomized iron, spraying iron main characteristics of products is round rate is high, than major, the surface is smooth, particle high compressibility, good hardness, with impact force resistance, compression is good, in the spray thrown sand operations using life is long, the blasting effect is excellent, and dust, with environmental protection operations and reduce the damage to human body has the advantages of is blasting operations of high-end electronic products preferred. Iron powder application Shot blasting forming on the surface of the product special matte effect; sandblasting surface spraying burr, clean, surface strengthening, sand light, derusting and various profiles of the surface cleaning and coating, electroplating of roughness (NAP) pretreatment; also can be used as additive of heavy concrete and blast furnace refractory material to increase the wear resistance, resistance to high temperature, anti erosion and oil filtering tank, product weight tc..