Material feeder suitable for easily-bridged materials

A feeder and medium technology, which is applied in the field of taking and feeding materials, achieves the effects of small system changes, strong medium adaptability and simple structure

Inactive Publication Date: 2012-05-02
HUANENG CLEAN ENERGY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the above-mentioned shortcomings of the prior art, the object of the present invention is to provide a material feeder suitable for bridging medium. By forcibly breaking up the material in the silo, the material is not prone to bridging and clogging, thereby ensuring the feeding normal and stable operation of the machine

Method used

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  • Material feeder suitable for easily-bridged materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The bridging medium is a fuel with a low viscosity and a high moisture content. The feeder is a screw feeder.

[0026] Such as figure 1 As shown, it is a material feeder suitable for bridging media, which includes a shell 8, which is connected to a silo 5, the upper part of the silo 5 has a feed inlet, and an agitator 3 is installed on the bottom of the silo wall, The stirrer 3 is composed of a stirring shaft 10 and a cutting device 4 on the stirring shaft 10. There is a spiral blade shaft 7 in the housing 8. The arrangement direction of the stirrer 3 is parallel to the axial direction of the spiral blade shaft 7, and the cutting device 4 is a protrusion Type, the screw drive device 1 is connected to the agitator 3 through the agitator transmission device 6. The agitator transmission device 6 is a transmission gear, and can also be a transmission mechanism such as a chain or a screw. The screw drive device 1 is electrically connected to the control cabinet, and the other e...

Embodiment 2

[0029] The bridging medium is a fuel with relatively high viscosity, and the feeder is a screw feeder.

[0030] Such as figure 2 As shown, it is a material feeder suitable for bridging media, which includes a shell 8, which is connected to a silo 5, the upper part of the silo 5 has a feed inlet, and an agitator 3 is installed on the bottom of the silo wall, The agitator 3 is the cutting device 4, the housing 8 has a spiral blade shaft 7, the arrangement direction of the agitator 3 is parallel to the spiral blade shaft 7, the cutting device 4 is a shaftless spiral type, and the agitator 3 is connected to an independent agitator drive Device 9, the agitator drive device 9 is a motor, the screw drive device 1 is electrically connected to the control cabinet, the other end is connected to the bearing housing 2, the screw blade shaft 7 is installed on the bearing housing 2, the agitator drive device 9 and the screw drive device 1 are all motors.

[0031] Such as image 3 Shown is a sc...

Embodiment 3

[0034] The easy bridging medium is a fuel with a low density, such as biomass fuel, and the feeder is a screw feeder.

[0035] The difference in structure from the first embodiment is that the cutting device 4 is a fin type or a rotary plough type.

[0036] Such as Figure 4 Shown is a schematic structural diagram of the fin-type cutting device 4, which has a large resistance (corresponding to a greater disturbance to the material). Because biomass fuels such as rice husks, bark, etc. have low density and are not easy to stick, Therefore, the cutting effect can be better achieved with this sheet type.

[0037] Such as Figure 5 As shown, it is a schematic diagram of the structure of the rotary tillage type cutting device 4, and its resistance is relatively large (corresponding to greater disturbance to the material), and it is also suitable for fuel with a relatively low density.

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Abstract

The invention discloses a material feeder suitable for easily-bridged materials, which comprises a shell, wherein a storage bin is connected onto the shell; the bottom part of the storage pin is provided with a stirrer; the stirrer is formed by a stirring shaft and a cutting device on the stirring shaft; the cutting device is in a protruded column type, a shaftless spiral type, a fin type or a rotary plow type; the shell is internally provided with a helical blade shaft which is connected to a spiral driving device; the spiral driving device is connected with a stirrer through a stirrer actuating device; the stirrer can be connected with an independent stirrer driving device; and the feeder can be a screw feeder, a double helix feeder, a belt feeder, a scraper feeder or a screw pump. According to the invention, the materials are forcedly scattered in the storage bin, so that the bridging and blocking phenomena of the materials can not easily occur, and thus the normal and stable operation of the feeder is ensured.

Description

Technical field [0001] The invention belongs to the technical field of material taking and feeding, and specifically relates to a material feeder suitable for bridging media. Background technique [0002] Due to its own characteristics, the fuel of mixed-burning municipal sludge, coal slime, biomass and fuel boilers with high water content will often cause bridges and blockages during the feeding process, hindering the normal operation of the feeder, and affecting the power plant One of the technical bottlenecks for the stable operation of the unit. [0003] There are two existing treatment methods, one is to add a rapping device on the outer wall of the silo, and the other is to add a loosening device on the inner wall of the silo. These two treatment methods only have a loosening effect on the material adhering to the wall, and have a poor effect on loosening the material that is easy to agglomerate and bridge. Summary of the invention [0004] In order to overcome the above sho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D88/68B65G33/14
Inventor 高洪培王鹏利王海涛张世鑫
Owner HUANENG CLEAN ENERGY RES INST
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