CN201764528U - Biomass fuel boiler - Google Patents
Biomass fuel boiler Download PDFInfo
- Publication number
- CN201764528U CN201764528U CN2010205322719U CN201020532271U CN201764528U CN 201764528 U CN201764528 U CN 201764528U CN 2010205322719 U CN2010205322719 U CN 2010205322719U CN 201020532271 U CN201020532271 U CN 201020532271U CN 201764528 U CN201764528 U CN 201764528U
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- biomass fuel
- combustion chamber
- fixed
- coal
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Abstract
The utility model provides a biomass fuel boiler only using the biomass fuel not using the coal. The biomass fuel boiler comprises a combustion chamber. A fire grate and a front arch are arranged in the combustion chamber and an additional arch bending towards the fire grate is fixed on the front end of the front arch. A vertical burbling arch is fixed on the roof in the middle of the combustion chamber and a through hole is opened on the upper part of the burbling arch. A vertical tail arch is fixed on the roof at the rear part of the combustion chamber. A ventilation hole is opened on the tail arch and a tranverse dust collection plate is fixed at the lower end of the tail arch. The structure design reduces the pre-heating temperature in the combustion chamber to make the coal with relative high fire point do not continuously burn and when using the biomass fuel, the effective utilization rate is above 90% and the biomass fuel boiler is suitable for dust fall and smoke abatement, does not generate the noxious substance such as the furnace slag and prevents the secondary pollution.
Description
Technical field
The utility model relates to a kind of boiler, is specially a kind of boiler that is exclusively used in biomass fuel.
Background technology
China consumes about 400,000,000 tons in raw coal in present burning boiler year, and year accounts for 1/3 of national coal consumption amount, and year enters 6,400,000 tons of sulfur dioxide, accounts for 30% of national sulfur dioxide (SO2) emissions total amount.These boilers are mainly built near city or the outskirts of a town, the operational administrative level error, and the thermal efficiency is low, scatter fire of raw coal in addition, smoke stack emission is highly lower, in the most cities of China, especially in north of china in winter heating area, the discharging of burning boiler is the primary pollution source that influences the city atmospheric environment quality.For improving the city atmospheric environment quality; many cities have begun restriction even have banned use of coal-burning boiler; advocate clean energy resourcies such as using biomass fuel, biomass fuel is that the discarded object of farming, seed of forest plant is processed into particle or piece, has the characteristics of low-sulfur, low-carbon (LC), wide material sources.But, use coal-burning boiler lower at some coal prices, the area of convenient transportation is difficult to total ban, can only firing biomass fuel as if promoting the use of in these areas, and boiler that can not coal combustion will greatly reduce the pollution that causes thus.
The combustion chamber of tradition coal-burning boiler comprises face arch, rear arch and fire grate, fire that produces behind the coal combustion and high-temperature gas are stopped by rear arch, circulate to the face arch district along rear arch, thus the coal cinder in the preheating and the face arch district of igniting, and its rear arch setting is the key structure of coal cinder that ignites.
Summary of the invention
In order to solve coal-fired pollution problem, the utility model provides a kind of and only can use biomass fuel and can not use coal-fired biomass fuel boiler.
Solve above technical problem, the technical solution adopted in the utility model is: a kind of biomass fuel boiler, comprise the combustion chamber, and be provided with fire grate, face arch in the combustion chamber, the face arch front end is fixed with the attached arch to the fire grate bending.The utility model has been cancelled the rear arch of traditional coal-burning boiler, high-temperature flue gas in the combustion chamber can't return the face arch district through circulation, cause the preheat temperature in face arch district lower, do not reach the coal-fired required temperature of igniting, thereby coal can't burn in the boiler of this structure, the burning-point of biomass fuel is lower, can light under lower preheat temperature.Attached arch further limits in the combustion chamber, the high-temperature gas at rear portion enters the face arch district, makes the preheat temperature in face arch district lower.
Be fixed with vertical flow-disturbing arch on the top, chamber at middle part, combustion chamber, flow-disturbing arch top has through hole.The effect of flow-disturbing arch is the stroke that increases air-flow, has improved the thermal efficiency of fuel.
Be fixed with vertical tail arch on the top, chamber at rear portion, combustion chamber, have passage on the tail arch, a horizontal collecting plate is fixed in tail arch lower end.Sedimentation can take place the particle that mixes in the thermal current falls on the collecting plate, has played dedusting, reduces the effect of noxious emission.
Compared with prior art, biomass fuel boiler described in the utility model has following characteristics: (1) fuel value utilization rate height, and structure is provided with the abundant burning that is beneficial to biomass fuel, and the effective rate of utilization of fuel is reached more than 90%; (2) also help depositing dust and eliminate smoke, can reduce the boiler dustiness of once discharging fume, fume emission allows discharge index far below country; (3) do not produce nuisances such as slag, prevent secondary pollution, but ashes direct returning to farmland or as industrial chemicals; (4) can not use raw coal and coal product fuel, after coal and coal product are added into this boiler, can not sustained combustion, through test, under the state of biomass fuel normal combustion, when adding coal and coal product, kind internal furnace internal combustion stopped substantially in 30 minutes, after lighting once more, except that being lighted part, follow-up raw coal no longer participates in burning.In a word, this boiler is applicable to the clean energy resource of recyclable utilization, and restriction is used coal-fired, has reached the purpose of environmental protection and energy-saving and emission-reduction.
Description of drawings
Fig. 1 is the structural representation of biomass fuel boiler described in the utility model.
Among the figure, the 1-fire grate; The 2-face arch; The attached arch of 3-; 4-flow-disturbing arch; The 5-air grid; 6-tail arch; The 7-passage; The 8-collecting plate.
The specific embodiment
As shown in Figure 1, a kind of biomass fuel boiler that the utility model provides comprises the combustion chamber, is provided with fire grate 1, face arch 2 in the combustion chamber, and face arch 2 front ends are fixed with the attached arch 3 to the fire grate bending.This boiler is only applicable to biomass fuel, and combustion system is a grate firing, last igniting.Attached arch 3 adopts refractory material to make.
Be fixed with vertical flow-disturbing arch 4 on the top, chamber at middle part, combustion chamber, flow-disturbing encircles 4 tops and has air grid 5.The flow-disturbing arch adopts refractory material to make.High-temperature gas stops that owing to what flow-disturbing encircleed air-flow rises to top of combustion chamber earlier after flowing out from attached arch below, walks around the flow-disturbing arch downwards to the combustion chamber rear flow.Portion gas weakens by the back air-flow velocity by the grid on the spoiler.
Be fixed with vertical tail arch 6 on the top, chamber at rear portion, combustion chamber, have passage 7 on the tail arch 6, tail encircles 6 lower ends fixes a horizontal collecting plate 8.Tail arch 6 adopts refractory materials to make, and the rear portion, combustion chamber is provided with exhaust outlet, after air communication is crossed passage on the tail arch, the stream band further weakens, and the particle generation sedimentation that mixes in the air-flow is fallen on the collecting plate, regularly collecting plate is cleared up to get final product, play dedusting, reduced the effect of noxious emission.
Claims (3)
1. a biomass fuel boiler comprises the combustion chamber, is provided with fire grate (1), face arch (2) in the combustion chamber, it is characterized in that: face arch (2) front end is fixed with the attached arch (3) to the fire grate bending.
2. biomass fuel boiler according to claim 1 is characterized in that: be fixed with vertical flow-disturbing arch (4) on the top, chamber at middle part, combustion chamber, flow-disturbing arch (4) top has air grid (5).
3. biomass fuel boiler according to claim 1 and 2 is characterized in that: be fixed with vertical tail arch (6) on the top, chamber at rear portion, combustion chamber, have passage (7) on the tail arch (6), a horizontal collecting plate (8) is fixed in tail arch (6) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205322719U CN201764528U (en) | 2010-09-17 | 2010-09-17 | Biomass fuel boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205322719U CN201764528U (en) | 2010-09-17 | 2010-09-17 | Biomass fuel boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201764528U true CN201764528U (en) | 2011-03-16 |
Family
ID=43717136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205322719U Expired - Fee Related CN201764528U (en) | 2010-09-17 | 2010-09-17 | Biomass fuel boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201764528U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226646A (en) * | 2011-03-29 | 2011-10-26 | 上海宝钢工业检测公司 | Hearth structure for improving heat exchange efficiency of flame-free heating section of industrial furnace |
| CN102384465A (en) * | 2011-11-16 | 2012-03-21 | 宝鸡市海浪锅炉设备有限公司 | Coal-fired boiler with novel flaming plate |
| CN103307608A (en) * | 2012-03-12 | 2013-09-18 | 陈雅华 | Burning waste incineration boiler for high-temperature burning interlayer |
-
2010
- 2010-09-17 CN CN2010205322719U patent/CN201764528U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226646A (en) * | 2011-03-29 | 2011-10-26 | 上海宝钢工业检测公司 | Hearth structure for improving heat exchange efficiency of flame-free heating section of industrial furnace |
| CN102226646B (en) * | 2011-03-29 | 2015-06-24 | 宝钢工业炉工程技术有限公司 | Hearth structure for improving heat exchange efficiency of flame-free heating section of industrial furnace |
| CN102384465A (en) * | 2011-11-16 | 2012-03-21 | 宝鸡市海浪锅炉设备有限公司 | Coal-fired boiler with novel flaming plate |
| WO2013071466A1 (en) * | 2011-11-16 | 2013-05-23 | 宝鸡市海浪锅炉设备有限公司 | Coal-fired boiler provided with fire-ejecting plate |
| CN103307608A (en) * | 2012-03-12 | 2013-09-18 | 陈雅华 | Burning waste incineration boiler for high-temperature burning interlayer |
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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: 20110316 Termination date: 20130917 |