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Main drying unit of slurry or powder continuous drying system

A drying system and drying technology, applied in non-progressive dryers, dryers, drying of solid materials, etc., can solve the problems of low production efficiency, inability to achieve continuous work, etc., achieve high production efficiency, facilitate heat exchange, and facilitate Quick discharge effect

Active Publication Date: 2014-02-19
邹岳明 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The disadvantage of the above-mentioned prior art is that it needs to be stopped for loading and unloading, and continuous work cannot be realized, resulting in low production efficiency

Method used

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  • Main drying unit of slurry or powder continuous drying system
  • Main drying unit of slurry or powder continuous drying system
  • Main drying unit of slurry or powder continuous drying system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] See Figure 1-7 The continuous drying system for slurry or powder provided in this embodiment includes: a drying host, and a collection system for collecting volatiles connected to the exhaust port of the drying host.

[0043] The main drying machine includes: a main shaft 1, an annular cavity 2 arranged up and down in multiple layers; The scraper 3; there is an inter-chamber gap between two adjacent annular chambers 2, so that the bottom plate of the annular chamber 2 can directly exchange heat with the heat-conducting medium or the heating wire, thereby ensuring the drying effect.

[0044] Two adjacent annular cavities 2 are sealed and connected by a blanking channel 4; the bottom of the bottom plate of each annular cavity 2 is provided with a heating wire 5, or each annular cavity is arranged in a thermal fluid container 6, or the The drying host is set above a combustion furnace 14; the top annular cavity is provided with a material inlet and an exhaust port for di...

Embodiment 2

[0056] The working method of the continuous drying system of the slurry or powder described in the above-mentioned embodiment 1, comprising:

[0057] A. Connect the heating wire 5 to the power supply for heating, or continuously circulate the heat-conducting liquid into the heat-conducting liquid container 6, or use the combustion furnace 14 located at the bottom of the drying host to heat each annular cavity 2; The temperature of the annular cavity 2 is suitable to reach 50-700° C. (the specific temperature needs to be selected according to different materials).

[0058] B. Input the slurry through the pump or the powder through the screw conveyor 13 from the material inlet on the annular cavity on the top floor, and at the same time turn on the main motor 15 to drive the main shaft 1 to rotate;

[0059] C. Under the action of the rotation of the scrapers 3 on each layer, the slurry or powder is heat-exchanged layer by layer, dried and falls, and finally discharged from the d...

Embodiment 3

[0066] Such as Figures 8 to 9 , the present embodiment provides a continuous drying system for liquid materials (or slurry), including a drying host, and a collection system for collecting volatiles connected to the exhaust port of the drying host.

[0067] The drying host includes: multi-layer cavities 20 arranged up and down; there is a gap between two adjacent cavities 20, which are sealed and connected through a blanking channel; the bottom of each cavity 20 is provided with a heating wire 5, Or each cavity 20 is set in the heat transfer fluid container, or the bottom of the drying host is equipped with a combustion furnace; the cavity on the top layer is provided with a material inlet and an exhaust port, and the bottom of the cavity on the bottom layer is provided with a discharge port.

[0068] In the two adjacent cavities 20, the 1 to 4 blanking openings on the bottom plate of the upper cavity are connected to the openings on the top plate of the lower cavity through ...

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Abstract

The invention relates to a main drying unit of a slurry or powder continuous drying system, applying to evaporation and collection of phosphorus slurry and phosphorus contained in dregs, raffinate treatment of calcium oxide or calcium chloride and benzoyl chloride, drying of chemical products, comprehensive recovery treatment of three wastes and the like. The main drying unit comprises a spindle and multiple layers of circular chambers arranged from top to bottom. The circular chambers are movably hermetically fitted to the spindle through center through holes, and scraper plates distributed in the different circular chambers are fixed on the spindle. Each two adjacent circular chambers which are spaced by a gap are connected hermetically through a discharging passage. The circular chambers are arranged in a heat-conducting liquid container. A feed inlet and an exhaust outlet are arranged on the top circular chamber, and a discharge outlet is arranged at the bottom of the bottom circular chamber. The main drying unit is adaptable to continuous drying of slurry or powder, is efficient in production, environmental friendly, safe and energy saving. Since the slurry or powder is evaporated layer by layer, the volatilization area is wide, and both the evaporation efficiency of volatile matters and the recovery rate of the volatile matters are high.

Description

technical field [0001] The invention relates to a drying main engine of a continuous drying system for slurry or powder, which can be applied to the evaporation and collection of phosphorus in phosphorus sludge and slag, the treatment of calcium oxide or calcium chloride, residual liquid of benzoyl chloride, and chemical products Drying, comprehensive recycling of three wastes, etc. Background technique [0002] In the prior art, the production of yellow phosphorus by the electric furnace method will produce wastes such as phosphorus sludge and phosphorus slag, and a considerable part of the yellow phosphorus in the discarded phosphorus sludge and phosphorus slag has not been completely refined, which causes a waste of resources. [0003] Existing methods for recovering yellow phosphorus include steam filtration, dry steaming, chemical reagent reaction, etc.; the steam filtration method is to put phosphorus sludge and slag into a container and heat continuously with steam to...

Claims

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Application Information

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IPC IPC(8): F26B11/10F26B23/00F26B25/02F26B25/08
CPCY02P20/10
Inventor 邹岳明邹玉杰
Owner 邹岳明
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