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Caustic Soda Production Plant Full Set/Sodium Hydroxide Product Production Equipment/Production Line/Chemical Equipment1
Assembly Line Production Line, Chemical Production Line, Sodium Carbonate Production Equipment, Soda Production Line
GYF BIOTECH LTD.
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Product Description Product Description GYF can provide Line equipment includes a complete line equipment for the following products:calcium oxide, calcium hydroxide,calcium chloride,calcium carbonate,Caustic soda production line.The following is a description of the caustic soda production line1. The causticizing method is divided into soda ash causticizing method and trona causticizing method according to different raw materials; Electrolysis can be divided into membrane electrolysis and ion exchange membrane method.2. Trona is pulverized, dissolved (or alkaline halide), clarified and added to lime milk for causticization at 95~100oC, and the causticized liquid is clarified, evaporated and concentrated to about 46% NaOH concentration, and the clear liquid is cooled and further enriched after salt analysis. The finished solid caustic soda was prepared. The causticized mud is washed with water, which is used to dissolve trona.3. The original salinized salt is added to soda ash, caustic soda, barium chloride fine preparation to remove impurities such as calcium, magnesium and sulfate ions, and then sodium polyacrylate or causticized bran is added to the clarifying tank to accelerate precipitation, and hydrochloric acid is added to neutralize after sand filtration. The brine is preheated and sent for electrolysis, and the electrolyte is preheated, evaporated, salted and cooled to obtain liquid caustic soda, which is further enriched to obtain solid caustic soda products.The production method is as follows:Preparation of caustic soda by ionic membrane method:(Ion membrane method)The brine is refined to saturated brine, and 32% caustic soda is produced after electrolysis.Electrolyzer anode chamber reaction: NaCl- e→ Na+ + 1/2 Cl2 ↑Cathode chamber reaction of electrolyzer:H2O + e → OH- + 1/2 H2 ↑ Na+ +OH- →NaOHThe production of liquid alkali produces chlorine gas, which reacts with soda ash to produce sodium hypochloriteCl2+2Na2CO3+H2O=2NaHCO3+NaClO+NaCl Cl2+Na2CO3=NaCl+NaClO+CO2Caustic soda is produced by causticizing:(Diaphragm method)Soda ash and lime were made into soda ash solution by alkali, lime into lime milk, and causticized at 99~101oC . The causticized solution was clarified, evaporated and concentrated to more than 40% to obtain liquid caustic soda. The concentrated liquid was further boiled and solidified to produce the finished solid caustic soda.Na2CO3+Ca(OH)2→ 2NaOH+CaCO3↓Product ParametersNO.Device nameSpecification& modelMaterialUnitQtyAshing process1Bucket elevatorTD160Q235a set of12Charging pumpIS80-65-125Assemblya set of23Rotary aircraft? 1600×20000Q235a set of14Grey milk pumpIS80-65-125Assemblya set of25Cyclone desanderDLXL-60Q235a set of26Grey milk apparatusΦ2000×3000Q235a set of27Grey milk pumpIS80-65-125Assemblya set of2 Dissolution process1Bucket elevatorTD160Q235a set of12Charging pumpIS80-65-125Assemblya set of23dissolverΦ2000×3000Q235a set of24Dissolving pumpIS80-65-125Assemblya set of2 Causticizing clarification process1causticizerΦ2000×3000Q235a set of22Top-up pumpIS80-65-125Assemblya set of23Three layer clarifierΦ2000×6000Q235a set of14filterG5/1.5Assemblya set of15Filtrate filterΦ2000×3000Q235a set of16Filtrate pumpIS80-65-125Assemblya set of27Three layer mud washing bucketΦ2000×6000Q235a set of18Lye pumpIS80-65-125Assemblya set of2Evaporation and concentration process1Caustic pump65FSB-50Q235a set of22Caustic soda kettle6m3Cast irona set of23Pan stirrer Q235a set of24Alkali discharge pump50YW20-25-4Cast irona set of25Finished product storage tankΦ2000×6000Q235a set of2Detailed Photos
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