Device for calcining gypsum in highland and method for calcining gypsum

A technology of calcining gypsum and calcining equipment, which is applied in the field of calcining gypsum equipment, can solve the problems of dead burning and raw burning of gypsum, and achieve the effect of preventing local dead burning and preventing raw burning

Inactive Publication Date: 2008-04-09
严登畅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that calcining raw gypsum in plateau areas is likely to cause local dead burning and raw burning, the purpose of this invention is to provide a device and method for conventional calcining of gypsum in plateau areas

Method used

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  • Device for calcining gypsum in highland and method for calcining gypsum

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] As shown in Figure 1, the calcined gypsum device on the plateau includes a closed space 1, and on the two sides opposite to the closed space 1, there are respectively provided with an air supply pipe 2 and an exhaust port 3 communicating with the inside of the closed space 1, and the air supply pipe 2 is provided with an adjustable on-off valve 12. A sealable feed inlet 4 and a sealable discharge outlet 5 are also provided on the side wall of the enclosed space 1 . The closed space 1 is also provided with a thermometer 7 and a barometer 8 , the thermometer 7 and the barometer 8 can measure the temperature and air pressure of the closed space 1 . The bottom in the confined space 1 is also provided with a coal heating device 6, the coal heating device 6 is provided with an air intake valve 9, which is used to let in air, so that the coal can be burned well, and the coal heating device 6 is also provided with a The connected exhaust flue 10 is used to discharge the exhaus...

Embodiment 2

[0029] Compared with Embodiment 1, the difference lies in that the calcining device 6 is a gas calcining device.

Embodiment 3

[0031] Compared with Example 1, the difference is that the calcining device 6 is an electric heating device, and the intake valve 9 and the gas flue 10 can be omitted.

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Abstract

The invention discloses a plateau gypsum calcining device and a gypsum calcining method, and relates to plateau gypsum calcining device and a gypsum calcining method in a high plateau area with higher altitude. The invention changes the original calcining room into an airtight type, on which an entrainment tube and an institute mouth are arranged. The calcining room is also provided with a thermometer and a barometer. In calcination, through compressed air, the barometric pressure in a calcine vessel is about one standard atmospheric pressure. The device and the method has the advantages of simple structure and easy operation, avoiding the occurrence of partial dead roasting and underburnt lime in the plateau area or the area with higher altitude.

Description

technical field [0001] The invention belongs to an industrially used device for calcining gypsum and a method for calcining gypsum, in particular to a device for calcining gypsum in plateau areas with high altitudes and a method for calcining the gypsum. Background technique [0002] Gypsum is a kind of mineral, which is monoclinic crystal, which is in the form of plate or fiber, and also has fine-grained block, which is white, light gray, reddish, light yellow or light blue. The common gypsum in nature is raw gypsum, and its molecular formula is CaSO 4 2H 2 O, in industrial production, raw gypsum needs to be calcined into plaster of paris, that is, CaSO 4 2H 2 O calcined to plaster of paris The method is that people usually put block gypsum in earthen kiln, chamber kiln or vertical kiln for calcination. Commonly used equipment is suitable for plain areas or shallow hills with low altitude. The equipment is simple and the crushing efficiency of fired block gypsum is hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B11/028
Inventor 严登畅
Owner 严登畅
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