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If the flue gas desulfurization gypsum and coal powder from power plants are not treated in a timely and reasonable manner, a large area of land will be utilized, and even unnecessary secondary pollution will be brought to the environment. Desulfurization gypsum from power plants has the characteristics of high taste and small particles. However, with the widespread application of gypsum method and limestone/wet lime in thermal power plants in China, the production of desulfurization gypsum has rapidly increased due to its by-products.
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Each nozzle is equipped with multiple air outlets, which can freely adjust different wind directions of each nozzle, so that the moisture content error of the same gypsum board in different parts does not exceed 1%Forced dehumidification by fan is conducive to the drying of gypsum board.When adjusting the temperature of the dryer, the cooling and heating adjustment reaction is rapid.The hot blast stove automatically adjusts the coal feeding amount according to the flue gas temperature, with high thermal efficiency.
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This method is still widely used in the domestic ceramic industry.Pressure steaming method for frying pasteThis method first preheats the raw Plaster with a block size of 25-50mm after coarse crushing in hot air at 60 ℃, and then places it in a pressure cooker for 5-7 hours with saturated superheated steam at 1,3 atmospheric pressure (125 ℃). Then, hot dry gas at 200 ℃ is introduced until hot dry gas is discharged, resulting in a vapor pressure of hemihydrate Plaster.
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Annual capacity/M2Day capacity(sheet)1200×2400×9mmDrier layerControl system2Million23004PLC4Million46006PLC6Million69008 DCS1. Preparation of clinker: The primary uncooked cloth is desulfurization gypsum, with the essential factor being CaSO4.2H2O, which can be bought after kiln conversion β Type semi hydrated gypsum is constructing gypsum.2.
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A fluidized bed boiler is a rectangular vessel with a porous gas distribution plate at the bottom. There is a vertical partition inside the furnace, which divides the furnace into two parts, and there are a number of heating tubes inside. At the top of the furnace is a bellows connected to the furnace.The powder is filled into the furnace regularly, and the air is blown into the bottom of the furnace through the air distribution plate to realize the fluidization of the powder.
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According to customer needsMATERIALPlaster, chalk, clay, slurry and filter cake.APPLICATIONHeating Plant of limestone desulfurization project, stone powder maker for high-grade highways, coal grinding mill in environmental protection type boiler plant, the mill in mining firms.Introduction of raw materials of Automatic plaster machineThe Plaster ores are crushed into small granules of the size less than 30mm, conveyed to mills to complete selecting and separating, and then the qualified powder are delivered into fluidized bed boiler for calcinations while the rest return to the mill.
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Plastering Equipment is to grind natural dihydrate Plaster ore (raw Plaster) or industrial by-product Plaster (desulfurization Plaster, phosphoPlaster, etc.) through a dedicated grinding machine and heat and calcine it at a certain temperature to dehydrate and decompose the dihydrate Plaster, resulting in β The product with hemihydrate Plaster (CaSO4.1/2H2O) as the main component is building Plaster (commonly known as Plaster). In summary, there are several main Plastering Equipment processes for Plaster powder:(1) Calcine Plaster blocks and then crush them.This method first places Plaste
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Process: Introduction to Wall Plastering Machine Process 1: The crusher crushes large-sized Plaster ore into small particles smaller than 25mm, which are stored and transported into a mill for grinding. The powder selection machine then sends the Plaster raw powder that reaches the required fineness of the product to a fluidized bed furnace for calcination, and the rest is returned to the mill for further grinding until it is qualified. The qualified Plaster powder after calcination is sent to the clinker warehouse for storage or to the product workshop for use. 2.
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Plastering MachineProcessing technologyPhase 1: CrushingThe large Plaster is crushed by a crusher to a feed fineness of 15mm-50mm that can enter the grinding machine.Phase 2: GrindingThe crushed small pieces of Plaster are sent to the silo through a hoist, and then evenly and quantitatively fed into the grinding chamber of the grinding machine for grinding through a vibrating feeder.Stage 3: GradingThe Plaster powder after grinding is graded by a powder concentrator, and the unqualified powder is graded by the powder concentrator and returned to the mill host for re grinding.Stage 4: Powder Co
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Process: Introduction to Wall Plastering Machine Process1: The crusher crushes large-sized Plaster ore into small particles smaller than 25mm, which are saved and transported into a mill for grinding. The powder decision laptop then sends the Plaster uncooked powder that reaches the required fineness of the product to a fluidized mattress furnace for calcination, and the relaxation is lower back to the mill for similarly grinding till it is qualified.
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We have extremely high professional degrees in mixing systems. The accumulation of more than ten years of experience in product innovation and application research and development enables us to deal with the mixed problems of our customers. Core mixing products include: double spiral cone mixer, horizontal belt mixer, horizontal plow mixer and Forberg mixer. With complete product variety and specifications, customers can choose the most suitable machine according to production capacity, environment and process.
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Plastering Machine process flowPlaster generally refers to raw Plaster and anhydrite. Raw Plaster is calcium sulfate dihydrate (CaSO4 • 2H2O) with a Mohs hardness of 2, which can be obtained by calcination and grinding β Type semi hydrated Plaster (2CaSO4 • H2O), namely building Plaster and Plaster plaster. Anhydrite is anhydrous calcium sulfate (CaSO4) with a Mohs hardness of 3-3.5. Plaster is a widely used industrial and building material, which can be used as a cement retarder, building products, model making, sulfuric acid production, paper filler, paint filler, and so on.
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PVC laminated gypsum ceiling tilesand Gypsum tile machine Introduction1）Automatic Sending Board MachineAutomatically sending board machine includes lift platform, automatic sending board mechanics. It adjust the gypsum board height by photoelectric switch, gypsum board is sent to production line by automatic mechanics, and it, adjust the speed and frequency of delivery board by photoelectric switch2）Cleaning MachineIf there has dust on the surface of gypsum board, it will effect the lamination and product quality, so before filming, we will dust the gypsum board, the cleaning machine incl
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After shaping the basic shape, use sandpaper to polish the edges of the ceiling and remove any edges or burrs. Be patient and careful when handling, otherwise it will greatly affect the aesthetics in the future.After a few days of hard work, the suspended ceiling at home can be completed.
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Proportioning and molding section: it mainly includes gypsum powder metering scale, auxiliary powder scale, two variable frequency slurry pumps, automatic control of conveying knife and slurry mixer, molding station mixer, platform vibration motor and other equipment, which can realize the proportional addition of gypsum powder, auxiliary powder and slurry, and complete the automatic proportioning of the whole system, which can not only save personnel, but also accurately proportioningCentral control section: the main equipment includes solidification belt forming machine, conveying roller mac
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Plasterboard machinery 1# transverse kiln entry section: it mainly includes the automatic control of the pipeline of conveyor belt, roller table, solenoid valve, distributor and plate entry accelerator.
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Gypsum board manufacturing line Drying sectionThe paper gypsum board is fed into every layer of the 12 layer dryer by using a bridge distribution computing device in accordance to the program. The dryer is divided into two zones, the use of warm steam as the warmth source. While the warm air paper gypsum board slowly strikes ahead in the dryer, it always exchanges warmth with the longitudinally flowing warm air. The board absorbs heat, and the temperature rises.
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Wall Plaster Machine Process flowThe powder determination laptop sends the Plaster uncooked powder that has reached the required fineness after grinding to the fluidized mattress furnace for calcination, and the relaxation is back to the mill for in addition grinding till it is qualified.
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Process: Introduction to Wall Plastering Machine Process1: The crusher crushes large-sized Plaster ore into small particles smaller than 25mm, which are saved and transported into a mill for grinding. The powder choice desktop then sends the Plaster uncooked powder that reaches the required fineness of the product to a fluidized mattress furnace for calcination, and the relaxation is again to the mill for similarly grinding till it is qualified.
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Wall Plaster Machine Process flowThe powder selection machine sends the Plaster raw powder that has reached the required fineness after grinding to the fluidized bed furnace for calcination, and the rest is returned to the mill for further grinding until it is qualified.
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The whole process of gypsum block consists of gypsum powder construction and block preparation. The influence on environment mainly lies in gypsum powder construction. The powder dust, cinder and smoke released by it are very smaller in comparison with other building materials; therefore, it will be enough to take general controlling measure. The gypsum block is solid in opalescent colour. The surface of the block is smooth and plane with straight edges. The grooves and tongues are made on the vertical and horizontal sides for easy construction.
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The gypsum powder calcination vicinity can be divided into the following strategies in accordance to the transportation manner of gypsum powder: gypsum uncooked cloth storage yard, grinding&drying, calcination, cooling, grinding, and storage. Before calcination, gypsum is normally composed of dihydrate gypsum, and calcination is the method of converting dihydrate gypsum into hemihydrate gypsum.
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1. Gypsum Is Fire-Resistant:Gypsum boards are furnace resistant and guard the shape from hearth threats through stopping the hearth from spreading further. Due to chemically certain water in the gypsum, it possesses a fire-resistant quality. When gypsum boards are uncovered to fire, the water contained inside the gypsum evaporates, forming a defensive layer.2. Thermal Properties of Gypsum:Gypsum can alter variables such as humidity and temperature in the home.
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As we all know, there are 4 integral elements that decide the best of gypsum boardThe first is drying technology.With what type of drying technology, the gypsum board can be dried greater evenly, the moisture content material stays the same, however it is no longer burnt or wet, which is the warranty of gypsum board first-rate control.The 2nd is the batching process.What variety of batching manner is used, and the size of gypsum powder and i
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