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Vacuum belt conveyor

A vacuum belt conveyor and belt technology, applied in the direction of filtration separation, separation method, grain processing, etc., can solve the problem of material scrapping, achieve the effects of reducing waste, improving raw material utilization rate, and reducing moisture content

Active Publication Date: 2015-01-28
湖南昌迅科技环保股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, when the vacuum belt conveyor is applied to the solid-liquid separation section of α hemihydrate gypsum produced by the liquid phase method, if no heating and heat preservation measures are taken, the filter cake will cool down rapidly during this process, and α hemihydrate gypsum is under low temperature conditions. It is easy to undergo a chemical reaction in a short period of time to become dihydrate gypsum and solidify, resulting in the scrapping of the material

Method used

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Embodiment Construction

[0026] Such as Figure 2 ~ Figure 4 shown, and refer to figure 1 , around the vacuum dehydration belt 6 of the vacuum belt conveyor, an airtight heating insulation cover 2 is installed, and the heating insulation cover 2 is fixed on the frame 1 of the vacuum belt conveyor, and the heating insulation cover 2 is designed to communicate with it. Ventilation pipeline 3, this ventilation pipeline 3 can inject high-temperature air or high-temperature steam; Figure 5-7 As shown, the heating and heat preservation cover 2 is made into a multi-section combined box body to facilitate manufacture and installation; the left end face of the first joint combined box body of the heating and heat preservation cover 2, and the right end face of the last joint combined box body are provided with The opening is provided with an airtight curtain inside the opening. This not only facilitates the passage of the vacuum dehydration belt 6 of the vacuum belt conveyor, but also facilitates the sealin...

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Abstract

The invention discloses a vacuum belt conveyor. The vacuum belt conveyor comprises a rack, a vacuumizing system, a filter system, a water circulating system and a power system, wherein a closed heating holding cover is installed around a vacuum dehydrating belt of the vacuum belt conveyor, an air duct communicated with the heating holding cover is arranged thereon; one or more pressure roller device or press plate is arranged along the surface of the vacuum dehydrating belt in the heating holding cover. High temperature can be maintained through the vacuum belt conveyor, and the phenomenon that the semi-hydrate gypsum is cured after being changed into dehydrate gypsum through chemical reaction is eliminated when the vacuum belt conveyor is applied to solid-liquid separation in the production of gypsum, gypsum whisker and the like; and meanwhile, the alpha gypsum slurry water content can be reduced after the solid-liquid separation.

Description

technical field [0001] The invention relates to a solid-liquid separation machine for suspension slurry, which has been widely used in solid-liquid separation in the fields of metallurgy, mining, chemical industry, papermaking, food, pharmacy, coal washing, environmental protection, etc. It is a vacuum belt conveyor for solid-liquid separation in gypsum production and processing. Background technique [0002] A typical vacuum belt conveyor consists of the following parts: frame, vacuum system, filtration system, water circulation system and power system. Such as figure 1 As shown, the vacuum dehydration belt is composed of porous rubber belt and filter cloth. The upper surface of the vacuum dehydration belt is the material, and a row of vacuum boxes is arranged below it to form a vacuum area. Using the effect of the vacuum area on the material on the vacuum dehydration belt, it can be completed continuously. Filtration, washing, drying and other different processes to ac...

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Application Information

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IPC IPC(8): B01D33/04B01D35/18B02C13/06
Inventor 蔡雪飞李俊
Owner 湖南昌迅科技环保股份有限公司