Natural gypsum powder production line grinding mill
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- Supplier: Guilin Mining Machinery Co. Ltd.
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Product Overview
Description
Product Overview
Natural gypsum
Natural dihydrate gypsum (CaSO4.2H2O) is a versatile, non-renewable and recyclable green natural resource.Building gypsum
(β-CaSO4.0.5H2O) produced with natural dihydrate gypsum can produce a series of new gypsum building materials: paper gypsum
board,plastering gypsum, plastering gypsum, gypsum dry-mix mortar, gypsum strip, gypsum block, Self-leveling gypsum mortar, gypsumdecorations and other gypsum products.Among the three traditional cementitious materials, the energy consumption of gypsumproduction is only 1/4 of cement production and 1/3 of lime. It is the most concerned building and decoration material today.
(β-CaSO4.0.5H2O) produced with natural dihydrate gypsum can produce a series of new gypsum building materials: paper gypsum
board,plastering gypsum, plastering gypsum, gypsum dry-mix mortar, gypsum strip, gypsum block, Self-leveling gypsum mortar, gypsumdecorations and other gypsum products.Among the three traditional cementitious materials, the energy consumption of gypsumproduction is only 1/4 of cement production and 1/3 of lime. It is the most concerned building and decoration material today.
Natural gypsum powder is made of dihydrate gypsum (CaSO4.2H2O) after crushing, grinding,calcining, cooling and homogenizing, aging and packaging.The core technology of gypsum powder production is calcination (dehydration) system. The crystal structure of dihydrate gypsum, the diversity of components and reactivity, resulting in the diversity of hydration and hardening of products.We have carried out technical research on each system. With more than ten years of practical experience in R&D and production, aiming at new technologies, new materials and new products at home and abroad, we have successfully developed a series of natural stone powder production lines that are energy-saving, environmentally friendly and efficient. In addition, dozens of large-scale modern natural gypsum powder production lines have been built and the high-quality rate has reached 100%.
Production Line Features:
* 1 Infrastructure and equipment support are in the form of steel structures；Short construction period, less investment, covereda
small area ；Save more than 60% of capital compared to traditional infrastructure；The construction period of the production line
with an annual output of less than 100,000 tons is 75 working days.
small area ；Save more than 60% of capital compared to traditional infrastructure；The construction period of the production line
with an annual output of less than 100,000 tons is 75 working days.
* 2 Possess fine calcination, cooling and homogenization, gasification and aging technologies;According to the performance of raw
materials and later products in different regions, individualized design is adopted to save energy by more than 20% and
energy-saving equipment can save power consumption by 15-20%.
* 3 The production line adopts DCS automatic control technology, with a high degree of automation, stable quality and labor
saving.
* 4 The whole line is operated under negative pressure and the dust removal adopts a three-stage dust removal system. The exhaust
emission after treatment is less than 30mg/m³and the environmental protection meets the environmental protection standards of
various regions.
* 5 Non-standard standardized production ensures the equipment quality of the entire production line, complete anti-corrosion and
heat preservation measures; Optimize the technical indicators of each stand-alone equipment; The application equipment of the
production line is in line with the characteristics of gypsum production;
* 6 Professional installation, training and debugging team; Short installation period for the whole line and original production
line calcination “0” debugging cost, saving a lot of investment for new enterprises.
materials and later products in different regions, individualized design is adopted to save energy by more than 20% and
energy-saving equipment can save power consumption by 15-20%.
* 3 The production line adopts DCS automatic control technology, with a high degree of automation, stable quality and labor
saving.
* 4 The whole line is operated under negative pressure and the dust removal adopts a three-stage dust removal system. The exhaust
emission after treatment is less than 30mg/m³and the environmental protection meets the environmental protection standards of
various regions.
* 5 Non-standard standardized production ensures the equipment quality of the entire production line, complete anti-corrosion and
heat preservation measures; Optimize the technical indicators of each stand-alone equipment; The application equipment of the
production line is in line with the characteristics of gypsum production;
* 6 Professional installation, training and debugging team; Short installation period for the whole line and original production
line calcination “0” debugging cost, saving a lot of investment for new enterprises.
Successful Project
SIMILAR PRODUCTS
Case
300,000 tons per year Desulfurization gypsum production line in Anhui Province, China
Process description:
The material is evenly fed into the tube bundle dryer through the feeding box, belt and screw feeder. The desulfurized gypsum is pre-dried in a tube bundle dryer with waste heat from the power plant as the heat source. As the temperature of the desulfurized gypsum increases, the free water in the desulfurized gypsum is removed while the temperature is raised, which can make the desulfurized gypsum dry. Then it is fed to the waste heat steam boiler of the power plant for calcination, and the desulfurized gypsum continues to heat up for calcination to remove part of the crystal water in the dihydrate gypsum until a semi-crystal water is removed, and the calcination is completed. In the production control, the addition amount of stable desulfurization gypsum is used, and the temperature of the conducting steam is adjusted to adjust the temperature of the boiling furnace discharge.
The material is evenly fed into the tube bundle dryer through the feeding box, belt and screw feeder. The desulfurized gypsum is pre-dried in a tube bundle dryer with waste heat from the power plant as the heat source. As the temperature of the desulfurized gypsum increases, the free water in the desulfurized gypsum is removed while the temperature is raised, which can make the desulfurized gypsum dry. Then it is fed to the waste heat steam boiler of the power plant for calcination, and the desulfurized gypsum continues to heat up for calcination to remove part of the crystal water in the dihydrate gypsum until a semi-crystal water is removed, and the calcination is completed. In the production control, the addition amount of stable desulfurization gypsum is used, and the temperature of the conducting steam is adjusted to adjust the temperature of the boiling furnace discharge.
Selection of process plan：
Desulfurized gypsum is pre-dried by tube bundle dryer, calcined in boiling furnace, modified by modified mill and other production
processes
Boiling furnace model:FC2500
Heat exchange area:2500㎡
Capacity:500t/h
Design Capacity:600t/h
Heat load:14.46×106kcal/h
Desulfurized gypsum is pre-dried by tube bundle dryer, calcined in boiling furnace, modified by modified mill and other production
processes
Boiling furnace model:FC2500
Heat exchange area:2500㎡
Capacity:500t/h
Design Capacity:600t/h
Heat load:14.46×106kcal/h
250,000 tons per year natural gypsum production line in Indonesia
Process description:
The crusher crushes the 300mm gypsum ore into small particles smaller than 25mm, which is lifted to the silo for storage by the elevator, and is metered and transported by the electromagnetic vibrating feeder into the mill for grinding. After grinding, the qualified gypsum raw powder is fed to the vertical raw material mill, and the qualified gypsum powder after grinding is calcined, homogenized and cooled and fed to the clinker silo for storage.
The crusher crushes the 300mm gypsum ore into small particles smaller than 25mm, which is lifted to the silo for storage by the elevator, and is metered and transported by the electromagnetic vibrating feeder into the mill for grinding. After grinding, the qualified gypsum raw powder is fed to the vertical raw material mill, and the qualified gypsum powder after grinding is calcined, homogenized and cooled and fed to the clinker silo for storage.
Selection of process plan：
Using natural gas as a heat source, a mature boiling furnace calcination process is selected. The main equipment adopts special
natural gypsum crusher and pulverizer, boiling calciner and cooling equipment.
Boiling furnace model：SG/T-3/380
Heat exchange area：500㎡
Capacity：10t/h
Design Capacity：15t/h
Heat exchange：2800,000 kcal
Design heat exchange：3000,000 kcal
Calorie consumption index：350,000 kcal
Using natural gas as a heat source, a mature boiling furnace calcination process is selected. The main equipment adopts special
natural gypsum crusher and pulverizer, boiling calciner and cooling equipment.
Boiling furnace model：SG/T-3/380
Heat exchange area：500㎡
Capacity：10t/h
Design Capacity：15t/h
Heat exchange：2800,000 kcal
Design heat exchange：3000,000 kcal
Calorie consumption index：350,000 kcal
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