CN203549772U - Biomass gasification combustion boiler system - Google Patents
Biomass gasification combustion boiler system Download PDFInfo
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- CN203549772U CN203549772U CN201320675340.5U CN201320675340U CN203549772U CN 203549772 U CN203549772 U CN 203549772U CN 201320675340 U CN201320675340 U CN 201320675340U CN 203549772 U CN203549772 U CN 203549772U
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Abstract
The utility model relates to a biomass gasification combustion boiler system, and belongs to the technical field of combustion equipment. The biomass gasification combustion boiler system especially comprises a boiler and a biomass gasifier, wherein the biomass gasifier is used for providing gasified fuel for the boiler, and is connected with the boiler through a gas pipeline, a feeding inlet is formed in the top of the biomass gasifier, a gas storage chamber, a reaction chamber and an ash storage bucket are arranged inside the biomass gasifier in sequence from top to bottom, a heating fire grate is arranged between the reaction chamber and the ash storage bucket, and the feeding inlet is communicated with the reaction chamber through a material conveying pipeline. According to the biomass gasification combustion boiler system, due to the fact that the gas storage chamber and the reaction chamber of the biomass gasifier are separated from each other, the gasified fuel stored in the gas storage chamber can be continuously provided for the boiler to be used for combustion, even in the process of carrying out feeding on the biomass gasifier, the combustion process of the boiler cannot be interrupted, parameters of steam generated by the boiler are kept to be stable, and it is ensured that the production process can be continuously carried out.
Description
Technical field
The utility model relates to combustion apparatus technical field, relates in particular to a kind of biomass gasification fired boiler system.
Background technology
Industrial boiler is a kind of important thermal powerplant, its can provide steam, for generating or air feed, China is world today's boiler for producing and uses one of maximum country, the major part of traditional boiler is take coal, fuel oil, natural gas as main, industrial boilers in China year is consumed nearly 400,000,000 tons of coal, not only cause a large amount of energy resource consumptions, and can in combustion process, discharge a large amount of SO
2, the toxic and harmful such as CO, NO, the granule dust of incomplete combustion also can be along with flue gas is released in atmosphere, cause serious environmental pollution, along with variation and the energy-conserving and environment-protective of energy supply structure require increasingly stringent, people constantly research and develop the Industrial Boiler of the clean biomass energy of application as combustion material.
Biomass gasification system is to utilize biomass pyrolytic and gasification technology, by discarded crops (stalk, straw, straw, beans bar, husk), weeds, algae, the biomass materials such as wood chip carry out oxidizing fire in gasification furnace, the reactions such as reduction and thermal decomposition, low-calorie solid material is converted into the gaseous fuel of high heating value, utilize biomass gasification system low for Industrial Boiler provides fuel source can effectively solve existing combustion of industrial boiler efficiency, heavy-polluted problem, but in existing biomass gasification fired boiler system, what biomass gasification system can not continue supplies with for Industrial Boiler provides a large amount of stable fuel, biomass gasification system is fed in raw material or the process of discharging in, the combustion process of boiler is often interrupted, can not guarantee carrying out continuously of production process, cannot meet instructions for use.
Summary of the invention
The purpose of this utility model is to provide a kind of biomass gasification fired boiler system take biological fuel gas as fuel for the deficiencies in the prior art, and not only efficiency of combustion is high, energy-conserving and environment-protective, and can sustained combustion, guarantees the continuity of production process.
The utility model is achieved through the following technical solutions.
A kind of biomass gasification fired boiler system, comprise boiler and be used to boiler that the biomass gasifying furnace of vaporising fuel is provided, described biomass gasifying furnace is connected with boiler by gas pipeline, the top of described biomass gasifying furnace is provided with charging aperture, gasification of biomass furnace interior is followed successively by air storage chamber, reative cell, storage ash bucket from top to bottom, between described reative cell and storage ash bucket, be provided with heating fire grate, described charging aperture is communicated with reative cell by a feeding pipe.
Wherein, described gasification of biomass furnace bottom is provided with ash hole, and described ash hole is located at the bottom of storage ash bucket.
Wherein, described charging aperture be provided with one can folding seal cover.
Wherein, also comprise charging system, described charging system is the elevator with a hopper, described hopper when discharging corresponding to described charging aperture.
Further, be also connected with gas-purification system between described boiler and biomass gasifying furnace, described gas-purification system comprises cyclone separator, deduster, moisture film decoking device and the drier of by pipeline, connecting successively.
Preferably, described deduster is cyclone dust collectors.
Further, on the gas pipeline between described biomass gasifying furnace and gas-purification system, be also provided with pressure control device.
Further, the end of stretching into the gas pipeline in boiler furnace is provided with burner.
As preferably, the gas pipeline being connected with boiler comprises two-way, and this two-way gas pipeline stretches into burner hearth inside from the both sides of boiler respectively, is respectively equipped with the first by-pass valve control, the second by-pass valve control on described two-way gas pipeline.
Compared with prior art, the utlity model has following beneficial effect:
(1) biomass gasification fired boiler system of the present utility model comprises that one provides the biomass gasifying furnace of vaporising fuel for boiler, the charging aperture of biomass gasifying furnace is communicated with reative cell by a feeding pipe, air storage chamber and the reative cell of this biomass gasifying furnace are spaced from each other, therefore be stored in the supply boiler combustion use that the vaporising fuel in air storage chamber can continue, even biomass gasifying furnace is carried out in reinforced process, can not interrupt the just boiler in combustion process yet, and keep the stable of steam parameter that boiler produces, can guarantee carrying out continuously of production process.
(2) biomass gasification fired boiler system of the present utility model, by biomass gasifying furnace, the biomass materials such as discarded crops (stalk, straw, straw, beans bar, husk), weeds, algae, wood chip are changed into the gaseous fuel of high heating value, not only substitute the use of the fossil fuels such as coal, fuel oil, contributed to reduce SO
2, the toxic and harmful such as CO, NO and incomplete combustion the discharge of granule dust, and can greatly improve efficiency of combustion, improve heat utilization rate, be conducive to reduce production costs, reach the requirement of energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 of the present utility model.
Fig. 2 is the structural representation of embodiment 2 of the present utility model.
Reference numeral comprises:
1-boiler; 2-biomass gasifying furnace; 3-gas pipeline; 4-charging aperture; 5-air storage chamber; 6-reative cell; 7-storage ash bucket; 8-heating fire grate; 9-feeding pipe; 10-ash hole; 11-seal cover; 12-hopper; 13-elevator; 14-gas-purification system; 15-cyclone separator; 16-deduster; 17-moisture film decoking device; 18-drier; 19-pressure control device; 20-burner; The 21-the first by-pass valve control; The 22-the second by-pass valve control.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
Embodiment 1.
Referring to Fig. 1, a kind of biomass gasification fired boiler system, comprise boiler 1 and be used to boiler 1 that the biomass gasifying furnace 2 of vaporising fuel is provided, described biomass gasifying furnace 2 is connected with boiler 1 by gas pipeline 3, the top of described biomass gasifying furnace 2 is provided with charging aperture 4, biomass gasifying furnace 2 inside are followed successively by air storage chamber 5 from top to bottom, reative cell 6, storage ash bucket 7, between described reative cell 6 and storage ash bucket 7, be provided with heating fire grate 8, described charging aperture 4 is communicated with reative cell 6 by a feeding pipe 9, air storage chamber 5 and the reative cell 6 of this biomass gasifying furnace 2 are spaced from each other, therefore be stored in the supply boiler 1 burning use that the vaporising fuel in air storage chamber 5 can continue, even biomass gasifying furnace 2 is carried out in reinforced process, can not interrupt the just boiler 1 in combustion process yet, and keep the stable of steam parameter that boiler 1 produces, can guarantee carrying out continuously of production process.
Concrete, in use procedure, biomass fuel to be gasified is delivered to reative cell 6 from described charging aperture 4 through feeding pipe 9, the biomass fuel for the treatment of gasification by heating fire grate 8 heats, and makes living beings gasification, and combustion in reative cell 6, thermal decomposition occurs and be converted to CO, H
2, CH
4or other alkanes gas, these high heating value vaporising fuels are stored in air storage chamber 5 and are delivered to boiler 1 by gas pipeline 3 and burn, and have not only substituted the use of the fossil fuels such as traditional coal, fuel oil, contribute to reduce SO
2, the toxic and harmful such as CO, NO and incomplete combustion the discharge of granule dust, and can greatly improve efficiency of combustion, improve heat utilization rate, be conducive to reduce production costs, reach the requirement of energy-conserving and environment-protective.
Wherein, described biomass gasifying furnace 2 bottoms are provided with ash hole 10, described ash hole 10 is located at the bottom of storage ash bucket 7, the lime-ash that completes gasification reaction and all burnt falls into storage ash bucket 7 by the gap of heating fire grate 8, and clean out biomass gasifying furnace 2 from described ash hole 10, such lime-ash can not be disposed in atmospheric environment in combustion process, has effectively reduced the discharge of granule dust, greatly reduces the pollution to environment.
Wherein, described charging aperture 4 be provided with one can folding seal cover 11, after having fed in raw material, by seal cover 11, biomass gasifying furnace 2 is sealed, guarantee the sealing in gasification, and combustion process, improve gasification, and combustion efficiency.
Wherein, also comprise charging system, described charging system is the elevator 13 with a hopper 12, biomass fuel to be gasified packs described hopper 12 into and through elevator 13, is promoted to the top of biomass gasifying furnace 2, described hopper 12 when discharging corresponding to described charging aperture 4, by charging system, can greatly improve the automaticity of charging, accelerate charging speed, be conducive to guarantee carrying out continuously of production process.
Further, between described boiler 1 and biomass gasifying furnace 2, be also connected with gas-purification system 14, the vaporising fuel of exporting from described biomass gasifying furnace 2, still there is the partial combustion impurity such as incomplete living beings dust, tar, moisture that gasify, in order further to obtain purer vaporising fuel, guarantee, through realizing non-pollution discharge after boiler 1 burning, to be necessary that the vaporising fuel that biomass gasifying furnace 2 is exported is by the further purified treatment of gas-purification system 14.
Concrete, described gas-purification system 14 comprises the cyclone separator 15 of connecting by pipeline successively, deduster 16, moisture film decoking device 17 and drier 18, first the vaporising fuel that biomass gasifying furnace 2 is exported separates the solid biomass wherein containing by cyclone separator 15, vaporising fuel through separating treatment further carries out dust removal operation by deduster 16, through moisture film decoking device 17, remove the tar ingredients wherein containing again, finally by super-dry device 18, remove the moisture wherein containing, by gas pipeline 3, be delivered to boiler 1 burner hearth, vaporising fuel after this gas-purification system 14 purifies through realizing non-pollution discharge after burning, environmental protection degree is high.
Preferably, described deduster 16 is cyclone dust collectors 16, and cyclone dust collectors 16 can separate grit by means of centrifugal force and trap in wall from air-flow, relend and help Action of Gravity Field to make grit fall into ash bucket, it is affected not quite by flue-gas temperature, is not subject to the impact of gas characteristic, and each adaptability for working condition is good.
Further, on gas pipeline 3 between described biomass gasifying furnace 2 and gas-purification system 14, be also provided with pressure control device 19, the flow of the vaporising fuel by described pressure control device 19 to input gas-purification system 14 is controlled, the flow of vaporising fuel that simultaneously can control inputs boiler 1 burner hearth, meets different need of productions.
Further, the end of stretching into the gas pipeline 3 in boiler 1 burner hearth is provided with burner 20, end region temperature at the gas pipeline 3 of stove chamber inner combustion is higher, easily cause the damage of gas pipeline 3, one burner 20 is set in the end of gas pipeline 3 can effectively be addressed this problem, concrete, and burner 20 is by making by resistant to elevated temperatures material, can bear the high temperature at combustion process Flame nozzle place, extend the service life of stretching into the gas pipeline 3 in boiler 1 burner hearth.
Embodiment 2.
Referring to Fig. 2, the present embodiment is with the difference of embodiment 1: the gas pipeline 3 being connected with boiler 1 comprises two-way, this two-way gas pipeline 3 stretches into burner hearth inside from the both sides of boiler 1 respectively, by two-way gas pipeline 3, from the both sides of boiler 1, stretch into respectively burner hearth burning, can greatly improve the burning heat production efficiency of boiler 1, on described two-way gas pipeline 3, be respectively equipped with the first by-pass valve control 21, the second by-pass valve control 22, the amount of the vaporising fuel to unit interval input boiler 1 burner hearth is controlled, and better meets the needs of production.
Unaccounted technical characterictic in the present embodiment, adopts the explanation in embodiment 1, at this, no longer repeats.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not restriction to the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.
Claims (9)
1. a biomass gasification fired boiler system, comprise boiler and be used to boiler that the biomass gasifying furnace of vaporising fuel is provided, described biomass gasifying furnace is connected with boiler by gas pipeline, it is characterized in that, the top of described biomass gasifying furnace is provided with charging aperture, gasification of biomass furnace interior is followed successively by air storage chamber, reative cell, storage ash bucket from top to bottom, between described reative cell and storage ash bucket, is provided with heating fire grate, and described charging aperture is communicated with reative cell by a feeding pipe.
2. biomass gasification fired boiler system according to claim 1, is characterized in that, described gasification of biomass furnace bottom is provided with ash hole, and described ash hole is located at the bottom of storage ash bucket.
3. biomass gasification fired boiler system according to claim 1, is characterized in that, described charging aperture be provided with one can folding seal cover.
4. biomass gasification fired boiler system according to claim 1, is characterized in that, also comprises charging system, and described charging system is the elevator with a hopper, described hopper when discharging corresponding to described charging aperture.
5. biomass gasification fired boiler system according to claim 1, it is characterized in that, between described boiler and biomass gasifying furnace, be also connected with gas-purification system, described gas-purification system comprises cyclone separator, deduster, moisture film decoking device and the drier of by pipeline, connecting successively.
6. biomass gasification fired boiler system according to claim 5, is characterized in that, described deduster is cyclone dust collectors.
7. biomass gasification fired boiler system according to claim 5, is characterized in that, on the gas pipeline between described biomass gasifying furnace and gas-purification system, is also provided with pressure control device.
8. biomass gasification fired boiler system according to claim 1, is characterized in that, the end of stretching into the gas pipeline in boiler furnace is provided with burner.
9. according to the biomass gasification fired boiler system described in claim 1 to 8 any one, it is characterized in that, the gas pipeline being connected with boiler comprises two-way, this two-way gas pipeline stretches into burner hearth inside from the both sides of boiler respectively, is respectively equipped with the first by-pass valve control, the second by-pass valve control on described two-way gas pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675340.5U CN203549772U (en) | 2013-10-30 | 2013-10-30 | Biomass gasification combustion boiler system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675340.5U CN203549772U (en) | 2013-10-30 | 2013-10-30 | Biomass gasification combustion boiler system |
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| CN203549772U true CN203549772U (en) | 2014-04-16 |
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| CN201320675340.5U Expired - Fee Related CN203549772U (en) | 2013-10-30 | 2013-10-30 | Biomass gasification combustion boiler system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499083A (en) * | 2013-10-30 | 2014-01-08 | 东莞市汇林包装有限公司 | Biomass gasification combustion boiler system |
| CN104762105A (en) * | 2015-03-13 | 2015-07-08 | 李毅强 | Biomass gasifier flue gas self-purification device |
-
2013
- 2013-10-30 CN CN201320675340.5U patent/CN203549772U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499083A (en) * | 2013-10-30 | 2014-01-08 | 东莞市汇林包装有限公司 | Biomass gasification combustion boiler system |
| CN103499083B (en) * | 2013-10-30 | 2016-01-06 | 东莞市汇林包装有限公司 | A kind of biomass gasification fired boiler system |
| CN104762105A (en) * | 2015-03-13 | 2015-07-08 | 李毅强 | Biomass gasifier flue gas self-purification device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20201030 |