CN202532518U - Layered coal supply device - Google Patents
Layered coal supply device Download PDFInfo
- Publication number
- CN202532518U CN202532518U CN2012200677494U CN201220067749U CN202532518U CN 202532518 U CN202532518 U CN 202532518U CN 2012200677494 U CN2012200677494 U CN 2012200677494U CN 201220067749 U CN201220067749 U CN 201220067749U CN 202532518 U CN202532518 U CN 202532518U
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- China
- Prior art keywords
- coal
- housing
- grate
- roller
- screen cloth
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- Expired - Fee Related
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Abstract
The utility model relates to a layered coal supply device which comprises a housing, wherein a grate is arranged at the bottom of the housing; a coal inlet is formed at the upper part of the housing; a roller is arranged below the coal inlet; bulges are distributed on the surface of the roller; and a screen is arranged below the roller and above the grate. As the roller distributed with the bulges is arranged below the coal inlet in the housing, and the screen is arranged below the roller and above the grate, after fire coal in a coal bunker enters the housing via the coal inlet, the fire coal falls on the screen after passing through the roller rather than directly falls on the grate at the bottom of the housing, the screen layers the fire coal, and then the fire coal falls on the grate, so as to achieve the purpose of layering coal briquettes. According to the layered coal supply device, the ventilation is good when the coal briquettes are burnt, the burning condition is improved, fire holes in the grate and nonuniform burning are effectively avoided, the adaptability of the boiler to the coal is improved, the content of carbon in slags is effectively reduced, the coal leakage is reduced, and the heat loss due to incomplete burning is reduced.
Description
Technical field
The utility model belongs to the fluid heater that heat-generating device is generally arranged; The technical field of the heater of water or air for example; Be particularly related to a kind ofly through in traditional coal feeder, setting up cylinder and screen cloth, the coal cinder layerings of accomplishing different sizes through both cooperations are laid on the layering coal supply apparatus on the fire grate.
Background technology
Boiler is a kind of energy conversion, to the energy of boiler input the forms such as heat energy of chemical energy in the fuel, electric energy, high-temperature flue gas are arranged, and through the boiler conversion, outwards output has steam, high-temperature water or the organic heat carrier of certain heat energy.Hot water that produces in the boiler or steam can also can convert mechanical energy into through Steam Power Equipment, or convert mechanical energy into electric energy through generator more directly for commercial production and people's lives provide required heat energy.
In the existing boiler technology; Industrial Boiler mainly contains the solid fuel that has comprised bituminous coal, anthracite, brown coal, mud coal, oil shale, wood chip, bagasse, rice chaff etc. with fuel, has comprised the liquid fuel of heavy oil, residual oil, diesel oil etc. and has comprised the gaseous fuel of natural gas, manufactured gas, manufactured fuel gas, liquefied petroleum gas etc.This wherein, the most frequently used still is main solid fuel with the coal.
Yet during coal supply, the coal in the coal bunker only relies on the weight of self, directly falls on the fire grate in the boiler of prior art; Coal is squeezed into certain thickness coal seam by baffle plate and gets in the boiler then and burn; And owing to coal-fired thickness skewness on the fire grate, duff place gas permeability is poor, and the rough coal place causes burner easily; Very easily form air quantity and distribute unevenly, even cause the deterioration of burning.
The utility model content
The technical problem that the utility model solves is, because during boiler coal feeding of the prior art, the coal in the coal bunker only relies on the weight of self; Directly fall on the fire grate, coal is squeezed into certain thickness coal seam by baffle plate and gets in the boiler then and burn, and coal-fired thickness skewness on the fire grate that causes; Duff place gas permeability is poor, and the rough coal place causes burner easily, very easily forms air quantity and distributes uneven; Even the problem of the deterioration that causes burning, and then a kind of layering coal supply apparatus of optimizing structure is provided.
The technical scheme that the utility model adopted is that a kind of layering coal supply apparatus comprises housing; Said housing bottom is provided with fire grate; Said housing top is provided with coal feed point, and said coal feed point below is provided with cylinder, and said cylinder surface is distributed with projection; Said cylinder below is provided with screen cloth, and said screen cloth is located at the fire grate top.
Preferably, said screen cloth is two layers or three layers.
Preferably, the mesh aperture of said screen cloth from top to bottom reduces in order.
Preferably, said housing is provided with adjusting device, and said adjusting device is connected with cylinder.
Preferably, also be provided with coal scraper plate in the said housing, said coal scraper plate is located at screen cloth one side.
The utility model provides a kind of layering coal supply apparatus of optimizing structure; Through the bossed cylinder that distributes is set below the coal feed point on the housing, below the cylinder, fire grate above screen cloth is set, make fire coal in the coal bunker in the housing that enters into the utility model by coal feed point after; Not directly to drop on the fire grate of housing bottom; But through dropping on behind the cylinder on the screen cloth, via screen cloth coal-fired layering is fallen on the fire grate again, reach the purpose of coal cinder layering; The utility model makes that coal cinder performance of ventilating in burning is good, has improved combustion position, has effectively avoided occurring on the fire grate burner and the uneven phenomenon of burning; Improved the adaptability of boiler to coal; Can effectively reduce boiler slag carbon content, reduce coal leakage quantity, reduce unburnt heat loss.
Description of drawings
Fig. 1 is the cutaway view structural representation of the utility model.
The specific embodiment
Below in conjunction with embodiment the utility model is done further detailed description, but the protection domain of the utility model is not limited to this.
As shown in the figure, the utility model relates to a kind of layering coal supply apparatus, comprises housing 1; Said housing 1 bottom is provided with fire grate 2; Said housing 1 top is provided with coal feed point 3, and said coal feed point 3 belows are provided with cylinder 4, and said cylinder 4 surface distributed have projection 5; Said cylinder 4 belows are provided with screen cloth 6, and said screen cloth 6 is located at fire grate 2 tops.
Said screen cloth 6 is two layers or three layers.
The mesh aperture of said screen cloth 6 from top to bottom reduces in order.
The utility model is provided with the cylinder 4 that is distributed with projection 5 below the coal feed point on the housing 13; Below the cylinder 4, fire grate 2 above screen cloth 6 is set; After making fire coal in the housing 1 that enters into the utility model by coal feed point 3; Be not directly to drop on the fire grate 2 of housing 1 bottom, but through cylinder 4 and on the effect of projection 5 after drop on successively on the screen cloth 6, fall again on the fire grate 3 via 6 pairs of coal-fired layerings of screen cloth.Mix in the coal; Volume the best part coal cinder can't pass through screen cloth 6, thus drop on the soonest on the fire grate 2, behind the remaining mixing coal process ground floor screen cloth 6; Volume time big coal cinder can't pass through second layer screen cloth 6; So drop on and stacked on the fire grate 2 on the maximum coal particle that finishes, the minimum coal cinder of final volume drops on to be stacked on the second layer coal cinder that finishes, reaches the purpose of coal cinder layering thus; The layering of coal is thinner more at most for the number of plies of screen cloth 6.
Said housing 1 is provided with adjusting device 7, and said adjusting device 7 is connected with cylinder 4.
The adjusting device 7 that is connected with cylinder 4 that is provided with on the housing 1 of the utility model is used to control the thickness in coal-supplying amount and coal seam.
Also be provided with coal scraper plate 8 in the said housing 1, said coal scraper plate 8 is located at screen cloth 6 one sides.
The utility model can be with coal by up-small and down-big order, and evenly spreading forms well arranged, loose orderly coal seam to fire grate 2.The stratified combustion performance of ventilating is good, has improved combustion position, has effectively avoided occurring on the fire grate 2 burner and the uneven phenomenon of burning, has improved the adaptability of boiler to coal, can effectively reduce boiler slag carbon content, reduces coal leakage quantity, reduces the heat loss due to incomplete combustion.Through transforming coal feeder, realize stratified combustion, generally can raise the efficiency 4～5%, particularly to the coal-burned industrial boiler of band air preheater more than the 10t/h, energy-saving effect is more remarkable.
Claims (5)
1. a layering coal supply apparatus comprises housing, and said housing bottom is provided with fire grate; Said housing top is provided with coal feed point, it is characterized in that: said coal feed point below is provided with cylinder, and said cylinder surface is distributed with projection; Said cylinder below is provided with screen cloth, and said screen cloth is located at the fire grate top.
2. a kind of layering coal supply apparatus according to claim 1 is characterized in that: said screen cloth is two layers or three layers.
3. a kind of layering coal supply apparatus according to claim 2 is characterized in that: the mesh aperture of said screen cloth from top to bottom reduces in order.
4. a kind of layering coal supply apparatus according to claim 1 is characterized in that: said housing is provided with adjusting device, and said adjusting device is connected with cylinder.
5. a kind of layering coal supply apparatus according to claim 1 is characterized in that: also be provided with coal scraper plate in the said housing, said coal scraper plate is located at screen cloth one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200677494U CN202532518U (en) | 2012-02-28 | 2012-02-28 | Layered coal supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200677494U CN202532518U (en) | 2012-02-28 | 2012-02-28 | Layered coal supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202532518U true CN202532518U (en) | 2012-11-14 |
Family
ID=47133699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200677494U Expired - Fee Related CN202532518U (en) | 2012-02-28 | 2012-02-28 | Layered coal supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202532518U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557531A (en) * | 2013-11-09 | 2014-02-05 | 鸡西市圣火锅炉制造有限公司 | Automatic coal loosening, feeding and ventilation combustion supporter for counter-heating boiler |
| WO2022151499A1 (en) * | 2021-01-18 | 2022-07-21 | 车战斌 | Material distribution structure for solid fuel combustion furnace and combustion furnace |
-
2012
- 2012-02-28 CN CN2012200677494U patent/CN202532518U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557531A (en) * | 2013-11-09 | 2014-02-05 | 鸡西市圣火锅炉制造有限公司 | Automatic coal loosening, feeding and ventilation combustion supporter for counter-heating boiler |
| CN103557531B (en) * | 2013-11-09 | 2015-08-19 | 鸡西市圣火锅炉制造有限公司 | The automatic loose coal supply ventilation combustion-supporting of back firing boiler |
| WO2022151499A1 (en) * | 2021-01-18 | 2022-07-21 | 车战斌 | Material distribution structure for solid fuel combustion furnace and combustion furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20140228 |