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Automatic feeding system used for tungsten carbide powder

A feeding system, tungsten carbide powder technology, applied in furnaces, lighting and heating equipment, furnace components, etc., can solve problems such as poor fluidity, affecting feeding efficiency, increasing production costs, etc., to avoid internal blockage or idling, Reduce cleaning and maintenance frequency and save production cost

Active Publication Date: 2019-03-08
赣州博立科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Tungsten carbide powder is the main raw material for the production of cemented carbide, chemical formula WC; tungsten carbide powder is a black hexagonal crystal, with metallic luster, hardness similar to diamond, and a good conductor of electricity and heat; the carbonization process of tungsten carbide powder is carried out by a screw conveyor Transportation, sent into the carbonization furnace for carbonization; because tungsten carbide powder is fine, has a large specific surface area, and is easy to absorb moisture, so the viscosity is high and the fluidity is very poor, so it is prone to sticking during the process of automatic filling, resulting in transportation equipment Internal blockage or idling will affect the efficiency of feeding, and it will also greatly increase the cleaning and maintenance work of the equipment, indirectly increasing the production cost

Method used

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  • Automatic feeding system used for tungsten carbide powder
  • Automatic feeding system used for tungsten carbide powder
  • Automatic feeding system used for tungsten carbide powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as Figure 1 to Figure 3 As shown, an automatic feeding system for tungsten carbide powder includes a first material barrel 7, a screw conveyor, a second material barrel 3 fixed on the screw conveyor and connected to the screw conveyor, a feeding pipe 2, fixed on the The agitator and purger in the second material barrel 3, the first material barrel 7 is fixed above the second material barrel 3 and connected to the second material barrel 3 through the feed pipe 2. A sealed first chamber 10 is provided, and a sealed second chamber 30 is provided in the second material barrel 3; specifically, the first material barrel 7 is provided on the first barrel body by the first barrel body 1 and the sealing cover 1 Cover plate 13 at the top, the bottom of the first barrel 1 is provided with a first discharge pipe 11 communicating with the first chamber 10, one end of the first discharge pipe 11 is connected to one end of the delivery pipe 2 through a butterfly valve 100 condu...

Embodiment 2

[0034] Such as Figure 4 As shown, at the end of the second discharge port 412 of the material delivery cylinder 41, another delivery pipe is connected to a second material barrel 3 with an agitator and a purging device and a screw conveyor, so that tungsten carbide can be formed. The secondary conveying of the powder, so as to further break the cohesiveness between the tungsten carbide powders, and improve the feeding efficiency; the conveying pipe can also be the conveying pipe 2, so that the screw conveyor in the first stage of conveying needs to be fixed on the On the table, this facilitates the installation and fixation of the screw conveyor in the secondary conveying stage. Of course, the present invention is not limited to secondary conveying, and can also be multi-stage conveying above secondary stage, which can be selected according to the needs of users.

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Abstract

The invention discloses an automatic feeding system used for tungsten carbide powder, and belongs to the technical field of feeding of tungsten carbide powder. The automatic feeding system comprises afirst material barrel, a spiral conveyer, a second material barrel which is fixedly arranged on the spiral conveyer and is in connection communication with the spiral conveyer, a material conveying pipe, a stirrer which is fixedly arranged in the second material barrel and a purging device; the first material barrel is fixedly arranged on the upper part of the second material barrel and is in connection communication with the second material barrel through the material conveying pipe; the stirrer comprises a bottom plate, a plurality of connection rods which are fixedly arranged on the bottomof the bottom plate and are uniformly distributed around the circumference of the bottom plate, a first driving motor which is fixedly arranged on the top of the bottom plate and a stirring componentwhich fixedly sleeves a rotary shaft of the first driving motor; the purging device comprises an air compressor and a plurality of air inlet pipes which are uniformly distributed around the materialconveying pipe; and one end of each air inlet pipe extends into the second material barrel through the top part of the second material barrel. According to the automatic feeding system, the tungsten carbide powder can be broken and purged through the stirrer and the purging device; adhesion among the tungsten carbide powder can be lowered; and the feeding efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of tungsten carbide powder feeding, and more specifically, relates to an automatic feeding system for tungsten carbide powder. Background technique [0002] Tungsten carbide powder is the main raw material for the production of cemented carbide, chemical formula WC; tungsten carbide powder is a black hexagonal crystal, with metallic luster, hardness similar to diamond, and a good conductor of electricity and heat; the carbonization process of tungsten carbide powder is carried out by a screw conveyor Transportation, sent into the carbonization furnace for carbonization; because tungsten carbide powder is fine, has a large specific surface area, and is easy to absorb moisture, so the viscosity is high and the fluidity is very poor, so it is prone to sticking during the process of automatic filling, resulting in transportation equipment Internal blockage or idling will affect the efficiency of feeding, and it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27D3/00
CPCF27D3/0084
Inventor 刘邵生邹圣茂张小建李虹郭彬郭名亮
Owner 赣州博立科技有限公司
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