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Full Automatic Gypsum Powder Making Machine (Natural Gas)1
Assembly Line Production Line, Gypsum Powder Machine, Plaster Powder Production Line, Plaster Powder Milling Equipment
Hengshui Decheng Machinery & Equipment Co., Ltd.
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Product Description Introduction of Full Automatic Gypsum Powder Making Machine(Natural Gas ): Controlling PartFull AutomaticAnnual capacityCustomized (30, 000-300, 000 Tons Per Year)Calcining systemEbullition furnaceRotary kilnFuelNatural gas, diesel, coal, heavy oilRaw materialNatural Gypsum RockDesulfurization GypsumPhosphogypsumFinished powder usageGypsum boardPlaster wall1Quality Standard:Gypsum Powder Quality Standard: GB/T 9776-2008Gypsum Powder: 80-100meshThe Initial Setting Time: Shall Not Be Less Than 3 Minutes,The Final Setting Time: Shall Not Be More Than 20 Minutes2. Main TechnologyGypsum Powder Plant(Nature Gypsum Rock)Gypsum Mine - Crushing - Grinding - Calcining - Aging -Finished Products (CaSO4.1/2H2O)After being heated and calcined with certain temperature,natural dihydrate gypsum is dehydrated and decompounded,to get the product whose major component is semi-hydrated gypsum(CaSO4.1/2H2O),that is,calained gypsum(generally slaked gypsum).According to different temperatures and pressure conditions during dehydration decomposition,the obtained product is β-Type calcined gypsum.Basic process of mechanized prouduction includes five large systems:gypsum grinding,automatic measuring system,calcination system,heat supply system,and aging&packing system.According to client's requirement,gypsum crushing system can be added to crush large gypsum rock to be with size of 0-30mm,and then conveyed into grinding system.About DCI:Hengshui Decheng Machinery & Equipment Co., Ltd, founded in 2008, is a comprehensive enterprise of machinery manufacture, research&development and investment casting. It has 218 staffs and 53 technical staffs including senior engineers, engineers and technicians. It covers 30, 000 sqm land, and has machining workshop, electrical workshop and precision casting workshop with complete sets of production and testing equipment. In 2008, it passed ISO9001: 2008 Quality Management System Certification. In early 2013, after on-site inspection and authentication by SGS, it became audited supplier of Made-in-China, and in May, 2013, it passed ISO/TS16949: 2009 "casting and machining for automotive parts" Quality Management System Certification. Our company specially designs and manufactures complete sets of building materials equipments, such as paper surface gypsum board production line, gypsum powder production line (natural gypsum and chemical gypsum), fiber cement board production line, calcium silicate board production line, cement production line, AAC block production line, stone production line, etc. Certainly we also supply single machines, spare parts and wearing parts for these production lines; At the same time, we produce some raw materials for the production lines, such as modified starch, foaming agent, glue, etc. Our company has well-experienced professional engineers and technical teams to ensure our clients with high-quality equipments. The well-skilled installation and commissioning team and high-quality process technologists provide our clients both at home and abroad with full set of technical services to make our clients "buy with reassurance and use with gratification". In recent years, our company has completed building materials equipment projects in the Middle East, Central Asia and Eastern Europe, etc, and has got highly praises for both product quality and after-sale services. Since established, we have been taking "human oriented, management strengthened, survival with quality, develop with technology" as company spirit, to provide customers with fittest products and win widely their praise. We, DCI, shall always insist on quality principle of "quality first, customer first, team work, continual improvement", and adhere to company philosophy of "honesty oriented, excellence pursue", to realize the aim of "united as one to make us successful and customer satisfied" and to provide better products and services for all old and new customers. "Let our brand remain in the customers' minds forever" is our quality commitment, and we wish to work together with all friends for common development. Warmly welcome all friends all over the world to our company!National Standard of Calcined Gypsum Standard No.: GB/T 9776-2008Scope of application:Gelled material made by dehydrating natural gypsum(raw material). Its main component isβ-GaSO4·1/2H2O, without any admixture or additive. The natural gypsum should be in conformity with requirements of "gypsum rock(JC/T700) for making cementing material" gypsum rock of Grade 3 or more higher grades. Classification:It is classified to be three grades: 3.0,2.0,and 1.6 according to its 2h strength(breaking strength). Composition: β-GaSO4·1/2H2O content(mass fraction) in Calcined gypsum should be not less than 60.0%.Physical and chemical performance: GradeFineness(Screen residue of 0.2mm square screen)/%Setting time2h strength/MPaFirst settingFinal settingBreaking strengthCompression strength3.0≤10≥3≤30≥3.0≥6.02.0≥2.0≥4.01.6≥1.6≥3.0Note: 1Mpa=10.2kgf/cm2Responsibility of Buyer and SellerPrepared by Buyer1.1 Machinery and tools for installation, commission and maintenance1.2 Transportation tool:2 sets of forklifts1.3 Power supply systema. High-voltage power supplyb. Substation and distribution station1.4. Water supply& storage and drainage system1.5 Civil engineering: Building construction, equipment foundation(including pre-burying work), steel-concrete structure silos and pools.1.6 Material used for making machine's platform and supporting frame of equipmentProvided by Buyer2.1 Providing round-trip ticket and other transportation cost for the Seller's workers2.2 Providing accommodation and all kinds of necessary extra charges for the Seller's workers during installation and commissioning and training period2.3 Providing all necessary large tools for installation, such as crane, forklift, welder, acetylene& oxygen cutting machine, etc2.4 Providing assistant workers to cooperate with the Seller's workers during installing according to the Seller's requirement2.5 Usage permission for special equipmentProvided by Seller2.1 Production equipment2.2 Gypsum Board Production Line,Providing installation guiding engineers and technical workers2.3 Providing 1 team leaders and 1 interpreters2.4 Providing equipment foundation drawings, general arrangement drawing of production line (layout plan, elevation drawing and side view drawing) within 40 days after receiving down payment2.5 Providing equipments' operation manual during training2.6 Providing main equipments' general assembly drawing, wiring diagram of control cabinets, PLC computer programs within 7 days after acceptance2.7 The Seller is in charge of commissioning and traininga. Commissioning: the Seller shall send engineers and technical workers to plant site to do full-scale testing, and the Buyer shall also send assistant staff to cooperate with the Seller's people.b. The Seller's workers in charge of commissioning will do performance operation, make on-site speeches and answer questions to Buyer's technicians and operation workers under training. During the whole process of testing, both sides shall work together. After Buyer's workers master operation technique, the Seller will hand over the whole running line to the Buyer's for operation and then the training work is finished.2.8 Within one year after signing the Acceptance Certificate, the Seller shall provide technical consultation to the Buyer for free. If the Seller's people are asked to be on the site, the Buyer shall provide round-way tickets and accommodation abroad.Environmental protection:Main pollution sources:Waste residue: Waste board and board edge cut down, etc.Waste water: The sediment water left after the fan circulation use in the product process, from washing pool and toilet water.Noise: mainly is 95Db(A)or so noise from the fan.Dust: From mixing material and cutting board.Disposal methods:Waste residue and disposal: It does not pollute the environment and can be re-used afterreprocessing in gypsum powder production line.Waste water and disposal: No industrial waste water. The living wastewater is drained into the plant sewage network, and the production wastewater from cleaning floor in the workshops can be recycled after the secondary sedimentation. And the water used in such equipment as fan can also be recycled.Noise and deposition: Noise, which mainly comes from fan. Besides setting soft joints at the exhaust inlet and exhaust outlet. Set impedance complex mufflers at the exhaust outlet, which can low the noise as much as 30Db (A).Dust and disposal: Dust collection devices will be equipped in the production process.Labor sanitationSafety designSafety design for factory areaThe factory road traffic design and outdoor fire hydrant arrangement will be in conformity with every requirement in "Achitectural Design Fire Prevention Norm"; The pavements and driveways are smooth, unblocked, and there are enough lighting facilities at night; Set covers over the draniage ditches in the factory; Make it easy to go through, discharge, convenient and safe; at the same time do virescence in the whole factory to reduce the dust and noises.Safety design for workshopIn the workshop, certain safe distance must be left for the main passages and operating passages, between equipments and the building, between equipment and equipment, and between equipment and passages; Set guard rail on all workbench edges; Set covers over drainage ditches; Lighting is enough in the workshop; All electrical equipments have ground protection, and there is overhauling power of 36V to ensure of overhaul safety.Harmful factor in producing:Variety of harmful substance: Noises from fan, air compressor, etc.Measures to reduce harmful factors: Do best to select low noise equipments to reduce the noise from sound source, and meanwhile add anti-vibration soft connectioner and muffler on the fan.Precautionary measures of safety and sanitationProtective appliances shall be allotted to each worker according to real working conditions; All equipment is managed by certain person, the detailed operational procedure shall be made. Workers on duty must carry on safety education and corresponding skills training; strictly operate according to operation procedure to ensure the person's security and equipment's good condition; Regularly carry on safety education to staff; Regularly organize safety inspecton to dispel the accident potential in time.Explosionproof Explosive materials are not produced and discharged in the production workshop of this project. There is no factor of explosion.Fire fighting system Our equipment is not easy to produce fireworks, so don't need any corresponding fire detection device.
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