CN201030359Y - Automatic warehouse type foreign matter segregator - Google Patents

Automatic warehouse type foreign matter segregator Download PDF

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Publication number
CN201030359Y
CN201030359Y CNU2007200199684U CN200720019968U CN201030359Y CN 201030359 Y CN201030359 Y CN 201030359Y CN U2007200199684 U CNU2007200199684 U CN U2007200199684U CN 200720019968 U CN200720019968 U CN 200720019968U CN 201030359 Y CN201030359 Y CN 201030359Y
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CN
China
Prior art keywords
foreign
storehouse
separator
trash
automatic stored
Prior art date
Application number
CNU2007200199684U
Other languages
Chinese (zh)
Inventor
吴艳丽
钊学明
Original Assignee
吴艳丽
钊学明
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Filing date
Publication date
Application filed by 吴艳丽, 钊学明 filed Critical 吴艳丽
Priority to CNU2007200199684U priority Critical patent/CN201030359Y/en
Application granted granted Critical
Publication of CN201030359Y publication Critical patent/CN201030359Y/en

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Abstract

An automatic storage trash separator relates to a device for cleaning trash such as strips, wood bricks and plastic cloth in a heat power plant pressurized pulverizing system. According to the design scheme of the utility model, an outlet pipe is arranged on the upper portion of a shell, an induction pipe is arranged on the lower portion of the shell, and a main grid is arranged between the outlet pipe and the induction pipe, the utility model is characterized in that the main grid is provided with a cleaning device and a sealing plate or a wind screen is arranged on a trash cabin, when the utility model works normally, the trash cabin has purging air flow. The utility model can remove the trash in the pressurized pulverizing system totally, improves the reliability of device operation and the labor efficiency, and effectively avoids self-igniting and explosion caused by accumulating of the coal dust in a disengaging gear. The disengaging gear designed by the utility model has the advantages of simple structure, few rotating apparatus and high reliability of the device.

Description

Automatic stored formula sundries separator

Technical field

The utility model patent belongs to the device of removing foreign material such as cloth, wooden unit, Polypropylence Sheet in a kind of thermal power generation pulverized coal preparation system.

Background technology

In the prior art, with the utility model comparatively approaching be the wood block separator technology, mainly by pipe in the import, shell, main grate, up and down deep bead, foreign material grid, get bin gate etc. and form, when foreign material such as the coal dust of coal pulverizer outlet and wooden unit by separator the time, coal dust is by oblique main grate, and wooden unit is caught by main grate and under the oblique component of air-flow, move to the air-flow dead angle and fall into the foreign material grid, close up and down deep bead during cleaning, open and get bin gate and remove foreign material on the foreign material grid.But in the actual motion, the Wood-removing device that the wooden unit in the coal has been adopted in the last coal operation is removed, thereby the foreign material in the pulverized coal preparation system mainly are made of Polypropylence Sheet and cloth.When these type of foreign material when the wood block separator, can in the effect lower recess of high velocity air on main grate and can't move to the air-flow dead band voluntarily, cause foreign material to accumulate at the main grate place, very easily cause the obstruction of pulverized coal preparation system; Secondly, existing wooden unit separator is mainly used in the negative pressure pulverized coal preparation system of power plant, with the accumulated powder intake system at foreign material grid place and take away, plays the effect that preventing coal dust deposition, spontaneous combustion by the negative pressure in the inlet tube.But in the positive-pressure type pulverized coal preparation system that extensively adopts at present, the accumulated powder at foreign material grid place can't be eliminated, and is on the increase under the effect of malleation, and then causes spontaneous combustion, the blast of coal dust, influences the security of system; Once more, the foreign material grid of existing wooden unit separator all places device inside, only rely on deep bead sealing up and down during cleaning, but in the actual motion up and down deep bead leaking out in various degree all arranged, in the negative pressure pulverized coal preparation system, open when getting bin gate an air draught and do not emit powder, but in positive press-powder pulverized coal preparation system, open and then have wind powder mist when getting bin gate and be in by the imprecision of deep bead up and down and get the bin gate place and spill, cause the foreign material that to clear up on the foreign material grid, and wood block separator can't be played a role.

Summary of the invention

The purpose of this utility model is to design a kind of automatic stored formula sundries separator, with foreign material such as the plastics in effective removing positive-pressure type pulverized coal preparation system, cloths, easy cleaning, and prevent to accumulate coal dust in this device, thereby avoid pulverized coal preparation system to stop up, reduce labour intensity, raising equipment reliability of operation.

According to design provided by the utility model, lower left quarter at foreign material separator outlet is installed acclivitous main grate to the upper right quarter of inlet tube, bottom in main grate is provided with electric cleaning brush, electric cleaning brush can be along main grate direction move left and right, under the acting in conjunction of the driving of cleaning brush and breeze airflow, the foreign material that main grate is caught are scraped to the air-flow dead band that shell and outlet form and are fallen into the foreign material storehouse.

At the two ends up and down in foreign material storehouse electronic upper and lower deep bead is set, the foreign material storehouse is drawer-like, and the bottom is secondary grid, and sealing plate is established in front and back.Cleaning is closed upper and lower deep bead during foreign material, and is electronic or manually shake out the foreign material storehouse, recovers behind the cleaning foreign material.It is characterized in that drawer-like foreign material storehouse can integral body shift out separator, and the foreign material storehouse shifts out the back and rely on back diaphragm seal and automatic stored formula sundries separator positiver sealing, prevent the leak-stopping powder.

The electronic deep bead down of this device is connected with inlet tube from head piece by coal dust, and utilize the diffuser pipe of installing on the top of inlet tube in separator, to form once to boost, utilize foreign material storehouse inner section to amass again and form secondary booster greatly, and the coal dust that secondary grid place is accumulated is blown into inlet tube than last deep bead place sectional area.It is characterized in that: the sectional area of diffuser pipe afterbody is greater than the sectional area of inlet tube, and foreign material storehouse inner section is long-pending greater than last deep bead place sectional area, thereby has realized the forced draft circulation of the gravity flow of boosting.

Be provided with to the centroclinal pulverized coal concentrator baffle plate of outlet at the diffuser pipe left upper end, the bigger coal dust of inertia is moved to the outlet center under the guiding of inspissator baffle plate, the more weak air-flow of inertia just can deflect into the left side of pulverized coal concentrator baffle plate, then enter foreign material storehouse and inlet tube, finish purging secondary grid.This pulverized coal concentrator baffle plate can also increase the scope that drops of foreign material on the main grate simultaneously, improves the foreign material elimination efficiency.

The beneficial effects of the utility model are: 1, can remove the foreign material such as plastics, cloth and wooden unit of malleation pulverized coal preparation system comprehensively, avoid the pulverized coal preparation system obstruction, improve the equipment reliability of operation.2, can automatically finish the cleaning work of foreign material, only need the foreign material storehouse of periodic cleaning drawer-like to get final product, improve efficiency, reduce labour intensity.3, can realize the forced draft purging in foreign material storehouse, prevent that coal dust from accumulating spontaneous combustion, the blast that causes.4, simple in structure, rotating machinery is few, the device reliability height, and electric cleaning brush and main grate adopt individual member, for convenience detach and maintenance.

Description of drawings

Fig. 1 is the vertical section structural map of the utility model embodiment.

1. outlets among the figure, 2. main grate, 3. electric cleaning brush, 4. diffuser pipe, 5. shell, 6. air-flow dead band, 7. pulverized coal concentrator baffle plate, the 8. electronic deep bead of going up, 9. foreign material storehouse, 10. secondary grid, 11. electronic deep beads down, 12. coal dusts be from head piece, 13 inlet tubes.

The specific embodiment

As shown in Figure 1: the lower left quarter at outlet 1 is installed shell 5, shell and outlet form the air-flow dead band 6 of overlapping sealing, at the lower left quarter of outlet 1 and the upper right quarter of inlet tube 13 main grate 2 is installed, main grate 2 layout that is inclined upwardly, lower parallel in main grate 2 is installed electric cleaning brush 3, make main grate 2 and electric cleaning brush 3 form an independent member, dismounting separately.When the breeze airflow that comes out when inlet tube 13 carries foreign material such as cloth, plastics, wooden unit by separator, breeze airflow is by electric cleaning brush 3 and main grate 2, foreign material are then caught by main grate 2, and the electric cleaning brush 3 that is regularly moved right is scraped to the air-flow dead band 6 in main grate 2 left sides and fallen into drawer type foreign material storehouse 9.

Drawer type foreign material storehouse 9 is set below shell 5, and 9 bottoms, drawer type foreign material storehouse are secondary grid 10, establish sealing plate around the foreign material storehouse 9, but are drawing structure.Foreign material storehouse 9 upper and lowers are established electronic upper and lower deep bead 8,11 respectively, electronic upper and lower deep bead 8,11 is all opened during operate as normal, the foreign material that scraped by electric cleaning brush 3 enter air-flow dead band 6, under the effect of gravity, drop on by last deep bead 8 on the secondary grid in foreign material storehouse 9, after wind powder mixture then passes secondary grid and following deep bead 11, flow into inlet tube 13 from head piece 12 by coal dust.

At the inlet tube 13 terminal diffuser pipes 4 of installing, the wind powder mixture that is flowed into by inlet tube 13 is after entering the diffuser pipe 4 that internal diameter increases, wind speed reduces, blast raises, install to the centroclinal pulverized coal concentrator baffle plate 7 of outlet 1 at the end of left side diffuser pipe 4, make the coal dust that inertia is bigger in the breeze airflow be folded to outlet 1, the less air-flow of inertia flows to the lower inlet tube of pressure 13 by foreign material storehouse 9 under the effect of pressure reduction, the foreign material that both driven in the air-flow dead band 6 fall, the coal dust that foreign material Cang9Chu can be accumulated blows away again, prevents accumulated powder spontaneous combustion, blast.

Normal foreign material in service storehouse 9 is pushing the position, electronic upper and lower deep bead 8,11 is at open position, and electric cleaning brush 3 was regularly scraped main grate 2, and foreign material are dropped on the secondary grid in foreign material storehouse 9, when needs are cleared up, send out exit instruction, then close electronic upper and lower deep bead 8,11 automatically, pull out drawer type foreign material storehouse 9 automatically, send out again after cleaning out and drop into instruction, then push drawer type foreign material storehouse 9 automatically, open electronic upper and lower deep bead 8,11 automatically, equipment begins operate as normal.

When automatic stored formula sundries separator fault, the last lower flange connecting screw of then pulling down separator is carried out integral body and is repaired, or pulls down the individual member of being made up of main grate 2 and electric cleaning brush 3 and change.

Claims (7)

1. automatic stored formula sundries separator, between outlet (1) and inlet tube (13), arrange main grate (2), it is characterized in that: main grate (2) is equipped with cleaning device, and foreign material storehouse (9) are located to be provided with sealing plate or deep bead or both and had concurrently, and there is the purging air-flow in the foreign material storehouse during operate as normal.
2. automatic stored formula sundries separator according to claim 1 is characterized in that: main grate (2) locates to arrange cleaning brush (3), cleaning brush (3) but move left and right.
3. automatic stored formula sundries separator according to claim 1 is characterized in that: foreign material storehouse (9) are drawer-like, can integral body move to outside the separator, and foreign material storehouse (9) are provided with sealing plate, and the bottom is secondary grid (10).
4. automatic stored formula sundries separator according to claim 1, it is characterized in that: the maximum flow cross-sectional area of automatic stored formula sundries separator is greater than the cross-sectional area of inlet pipes, or in the foreign material storehouse, the cross-sectional area of bottom is greater than the cross-sectional area on top, foreign material storehouse, or above-mentioned two kinds of situations have concurrently.
5. automatic stored formula sundries separator according to claim 1 is characterized in that: the bottom of foreign material storehouse (9) is provided with coal dust from head piece (12).
6. automatic stored formula sundries separator according to claim 1 is characterized in that: the side in the foreign material storehouse is provided with the pulverized coal concentrator baffle plate (7) of inclination.
CNU2007200199684U 2007-04-06 2007-04-06 Automatic warehouse type foreign matter segregator CN201030359Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200199684U CN201030359Y (en) 2007-04-06 2007-04-06 Automatic warehouse type foreign matter segregator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200199684U CN201030359Y (en) 2007-04-06 2007-04-06 Automatic warehouse type foreign matter segregator

Publications (1)

Publication Number Publication Date
CN201030359Y true CN201030359Y (en) 2008-03-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200199684U CN201030359Y (en) 2007-04-06 2007-04-06 Automatic warehouse type foreign matter segregator

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Country Link
CN (1) CN201030359Y (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102218363A (en) * 2010-04-16 2011-10-19 中粮集团有限公司 Cassava crushing system
CN101648652B (en) * 2009-09-17 2012-03-07 山东电力研究院 Sundries separator for positive pressure coal dust preparation system
CN102553827A (en) * 2012-01-19 2012-07-11 上海竟力环保科技有限公司 Pulverized coal separator
CN102989656A (en) * 2012-12-13 2013-03-27 华电电力科学研究院 Comb-type impurity separator for pressurized mill system
CN102049342B (en) * 2009-11-04 2013-03-27 中粮集团有限公司 Method for grinding materials
CN104962318A (en) * 2015-07-09 2015-10-07 杨大水 Gasifier coal powder filter and filter method thereof
CN105728115A (en) * 2016-04-27 2016-07-06 衢州市依科达节能技术有限公司 Wood block separation and smashing device
CN105797958A (en) * 2016-05-08 2016-07-27 衢州市依科达节能技术有限公司 Tubular wood block separation cutter

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101648652B (en) * 2009-09-17 2012-03-07 山东电力研究院 Sundries separator for positive pressure coal dust preparation system
CN102049342B (en) * 2009-11-04 2013-03-27 中粮集团有限公司 Method for grinding materials
CN102218363A (en) * 2010-04-16 2011-10-19 中粮集团有限公司 Cassava crushing system
CN102218363B (en) * 2010-04-16 2013-05-01 中粮集团有限公司 Cassava crushing system
CN102553827A (en) * 2012-01-19 2012-07-11 上海竟力环保科技有限公司 Pulverized coal separator
CN102989656A (en) * 2012-12-13 2013-03-27 华电电力科学研究院 Comb-type impurity separator for pressurized mill system
CN104962318A (en) * 2015-07-09 2015-10-07 杨大水 Gasifier coal powder filter and filter method thereof
CN105728115A (en) * 2016-04-27 2016-07-06 衢州市依科达节能技术有限公司 Wood block separation and smashing device
CN105797958A (en) * 2016-05-08 2016-07-27 衢州市依科达节能技术有限公司 Tubular wood block separation cutter
CN105797958B (en) * 2016-05-08 2017-07-28 衢州市依科达节能技术有限公司 A kind of cast wooden unit separates cutter

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080305