Gypsum Production Line Equipment

Category: Production Line | February 17, 2014
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Gypsum Production Line Equipment
Gypsum production line equipment sales price

Introduction to the gypsum production line

Gypsum is a kind of very soft sulfate mineral of dihydrate calcium sulphate, with chemical formula CaSO4 · 2 h2o. This is the alabaster, found in ancient Egypt the use of decorative stone. It is the second most in mohs hardness scale soft mineral. It forms as evaporation minerals and hydration products of anhydrite. Industrial by-product gypsum including desulfurization gypsum, phosphogypsum, natural gypsum, fluorine gypsum and so on. At the moment, desulfurization gypsum, phosphogypsum, natural gypsum is more widely used in industrial field. And, more importantly, less impurity of desulfurization gypsum grade higher purity, use and disposal of the difficulty of it is more lower than the phosphogypsum.
Gypsum Production Line Equipment
Production technology of gypsum

Crusher broken plaster of large size into small particles, which is less than 25 mm, and the material is stored and transported to grinding machine for grinding. And then will arrive raw gypsum powder, product fineness chose by powder to be transported to the fluidized bed furnace burning. The rest of the gypsum powder will return to slow grind again, until it is qualified.

Gypsum powder production process can be divided into two types, namely direct burning and indirect burning. Indirect calcination of fluidized bed furnace flue gas as a medium for heating of desulfurization gypsum and calcined work. Smoke stive has a certain influence of the quality of gypsum, but this kind of calcination method has the advantages of low investment, low production cost. Indirect calcined go hot air as a medium for heating of desulfurization gypsum and calcined work. In the process of calcination, hot air medium does not negatively affect gypsum, but this method of roasting is always more investment and high production cost. Qualified gypsum powder, after calcining, will be shipped to clinker storage, for storage or applicable load into the product workshop.

Compared with the first combustion method and after grinding, the grinding and burning technology after the biggest advantage is to reduce the energy cost. Larger particles gypsum grinding into powder by grinding machine, the size is greater than 0.2 mm is small, this method make the gypsum powder surface area is larger in the calcination process, this increases the gypsum powder and hot medium, the contact area and improve the heat transfer efficiency is high, in the firing process energy consumption decreased significantly. The device has small volume, excellent productivity, simple structure, is not easy to damage.

Raw materials for gypsum calcination technology is divided into two types, namely, dry method and wet method. Dry method used by ordinary pressure (or low partial pressure of water vapor) under heat and dehydr gypsum raw material, and according to the different temperature, produces the beta type of hydrated gypsum and anhydrite Ⅱ type or buried. These products are plaster of Paris, plaster casting or prefabricated plaster is widely used in construction. Wet method is used in the raw material of gypsum in the autoclave steam pressure, or in the boiling point of the salt solution is higher than 100 ℃ of hot working under low pressure. According to this, the fine product is alpha type hydrated gypsum, it can be used for plaster casting special type of substrate materials.

The working principle of gypsum production line

A full range of gypsum production line configuration including DCS electrical control system, dust pelletizing system, piping and heating system, mill system, transport system, raw material system, boiling furnace and so on. Gypsum block is (2) with coarse jaw crusher for primary crushing and fine products will be equally arranged in the unloading place. Then arrange the product will be through the recrushing process to the fine jaw crusher, and then into the bunker.

In this process, coarse jaw crusher are strictly prohibited to burthen, if the parking space, should have alarm ge. Uninstall is divided into two unloading site, put the tram should have freedom to switch between two unloading site, and evenly distributed in the material. Gypsum powder from the storage bin’s future will, through the further crushing mill conveying belt conveyor to the column, then the level of the materials will be selected, and through the powder separation enrichment. Qualified materials through screw conveyor, vertical conveyor and groove to powder raw paper.

Gypsum production line equipment

In the process of gypsum production, mainly used for gypsum processing equipment including MTW european-style trapezoid mill, Raymond mill and jaw crusher. The gypsum processing equipment, our XSM mechanical products is the best, they have good quality and high productivity. These advantages in production play a important role in the process of gypsum.

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