CN105402709A - Integrated multifunctional chimney-free low-carbon gas boiler - Google Patents
Integrated multifunctional chimney-free low-carbon gas boiler Download PDFInfo
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- CN105402709A CN105402709A CN201510867921.2A CN201510867921A CN105402709A CN 105402709 A CN105402709 A CN 105402709A CN 201510867921 A CN201510867921 A CN 201510867921A CN 105402709 A CN105402709 A CN 105402709A
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Abstract
The invention discloses an integrated multifunctional chimney-free low-carbon gas boiler which comprises a vertically arranged cylindrical boiler body, wherein the boiler body is composed of an ash cabin and a gasification chamber; the gasification chamber and the ash cabin are combined up and down to form a biomass gasifier; a boiler is installed on the upper side of the gasification chamber of the boiler body; a feeding device is installed at the top part of the gasification chamber; a burning machine is installed on one side of the boiler; and the top part of the gasification chamber is also connected with a pipeline which is beneficial to supplying produced gas to the burning machine. According to the integrated multifunctional chimney-free low-carbon gas boiler disclosed by the invention, fuel is fed from the top part of the gasification chamber through the feeding device; the biomass gasifier is used for gasifying the fuel into gas firstly, smoke dust and tar of flammable gas produced by gasification are removed by a high-temperature cyclone dust collector, the flammable gas is fired to burn through the burning machine, and the heat is provided for the boiler to produce steam.
Description
[technical field]
The present invention relates to boiler technology, particularly relate to a kind of integrated multi-functional chimney-free low-carbon (LC) gas fired-boiler.
[background technology]
The energy is the valuable source concerning China's economic development and people's life always.Current China energy-consuming increases powerful, and imbalance between supply and demand worsens further, and the task of energy-saving and emission-reduction is still arduous.But the efficiency of combustion of the coal burning equipment of China is lower now, produces a large amount of pernicious gas, serious environment pollution; Existing boiler, drying line etc. obtain the equipment of heat with heat exchange form, use cleaner oil (light diesel fuel), natural gas can meet the requirement of environmental protection, but its price is high, causes huge economic pressures to enterprise operation.Therefore should strengthen the exploitation of regenerative resource, reduce the dependence of fossil energy.
Biomass energy, as the fourth-largest energy beyond coal, oil, natural gas, is a kind of not only environmental protection but also the renewable renewable sources of energy recycled.Biomass energy can Optimization of Energy Structure, alleviate Pressure on Energy, environmental protect, the promotion sustainable development of socio-economy; The biomass resource of China enriches simultaneously, and its development prospect is wide.
But current existing biomass powder burning boiler is the outer spray form adopting fire grate, combustor or fluid bed substantially, mixed effect by burning length and fuel and air affects, it is poor to the adaptability of different fuel, efficiency of combustion is low, the state of fuel changes a little, and the efficiency of boiler obviously reduces, and causes burning very insufficient, the thermal efficiency is quite low, is difficult to meet enterprise customer's demand.Such boiler is insufficient owing to burning, with a large amount of dust, even if through dust removal process, the requirement reaching environmental protection generally can be all difficult in flue gas, and often owing to needing very large Air compress pump, exhaust smoke level also strengthens, and not only increases the pressure of dust removal installation, also just produces more multi-pollutant when discharge index is identical, the heat that flue gas is taken away simultaneously also just increases, boiler thermal output reduces, and producing same steam just needs to consume more fuel, causes more pollution.There is the boiler biological substance for combustion combustion gas of fraction, but be substantially all that gasification furnace separates with boiler, living beings first obtain biological fuel gas through gasification, then boiler combustion is delivered to through piping, this just causes the loss of pipeline heat, fuel gas temperature reduces, and the tar condensation blocking pipe in combustion gas, reduces the calorific value of combustion gas; Ducted tar is difficult to remove, even if remove process also easily cause secondary pollution, if use updraft type fixed-bed gasification furnace, so also there is the problem of gas contaminated environment of overflowing.Also have and (cooling, decoking) after biogas purification is transported to air accumulator, then deliver to through pipe network and carry out reignition use with gas point, but this method is easily leaked, there is potential safety hazard in wasted heat, the tar of generation is also difficult to removing.
[summary of the invention]
The invention solves traditional biomass boiler oil bad adaptability, the thermal efficiency is low, exhaust gas dust discharge capacity is large, tar blocking pipe and cause the problem of secondary pollution, provides that a kind of floor space is little, efficiency of energy utilization is high, chimney-free and the integrated multi-functional chimney-free low-carbon (LC) gas fired-boiler of emission compliance.
In order to realize foregoing invention object, the technical scheme of employing is:
Integrated multi-functional chimney-free low-carbon (LC) gas fired-boiler, comprise the cylindrical furnace of vertical placement, described body of heater comprises ash silo and vaporizer, vaporizer and ash silo combine up and down and arrange composition biomass gasifying furnace, the upside of the vaporizer of body of heater is provided with boiler, top is provided with feeding device to vaporizer, and the side of boiler is provided with combustor, vaporizer top be also connected be convenient to produce fuel gas supply to the pipeline of combustor; The internal layer of described ash silo and vaporizer is provided with refractory brick protective layer; ash silo skin is also provided with the heat-insulation layer to the protection of refractory brick protective layer; the refractory brick protective layer periphery of vaporizer is also provided with cooling water jecket layer; cooling water jecket layer is positioned at the skin of vaporizer and is lowered the temperature to whole body of heater protection by its cooling water, is also connected with at least one is convenient to improve gasification efficiency and rotating air-duct from reaction in furnace uniformity to vaporizer blowing on the downside of vaporizer.
Preferably, described feeding device adopts totally enclosed type feeding structure.
Preferably, described vaporizer intracavity bottom is provided with the turriform cloth bellows or grate of being convenient to different fuel gasification.
Preferably, described vaporizer is also connected with the water-level gauge being convenient to observe water level height in cooling water jecket layer.
Preferably, described feeding device is that based on fuel physical dimension difference is convenient to the hopper that feeds in raw material or screw(-type) feeder.
Preferably, the ash hole bottom described ash silo is also provided with the helical feed ash hoist or flight chain ash hoist of being convenient to lime-ash discharge.
Preferably, the pipeline of described combustor is also provided with high-temperature cyclone dust extractor, and the waste discharge pipeline that lower end of duct connects also is provided with automatic coke removing device.
Preferably, described vaporizer is also provided with the safety alarm device of alarm gas leakage or indoor superpressure.
Compared with prior art, tool of the present invention has the following advantages:
Vaporizer of the present invention and ash silo combine up and down and arrange composition biomass gasifying furnace, by the integral system that traditional gasification furnace and boiler are reasonably combined, boiler is positioned at gasification furnace top, shorten middle fuel gas transportation pipeline, increase automatic coke removing device simultaneously, efficiently solve the problem of tar blocking pipe.During work, fuel is by feeding device from top of gasification furnace charging, and the fuel gas that gasification produces is through high-temperature cyclone dust extractor, and removing flue dust, tar, by combustor ignition, provide heat to produce steam to boiler; Both improve efficiency of combustion, greatly reduce flue dust again; Gasification furnace and boiler adopt vertical, substantially reduce the floor space of equipment, and vertical boiler itself is very high simultaneously, does not need to arrange tall and big chimney in addition.And the combustor of boiler is made by exotic material, can simultaneously biological substance for combustion combustion gas, natural gas.
Fuel of the present invention is pyrolytic gasification under vaporizer anaerobic condition, there is redox reaction, produce the fuel gas such as carbon monoxide, hydrogen, methane, complete by the solid-state conversion to gaseous state, the solid fuels such as coal, biomass fuel (straw, rice husk, cotton stem, timber waste), organic solid disposed waste can be adapted to; By fuel gasification is changed into gaseous fuel, through cyclone dust removal, after removing flue dust, tar, directly enter boiler combustion, both improve efficiency of combustion, decrease toxic emission; Therefore the dust arrester installed separately in addition is not needed, just can meet the requirement of environmental protection.
In addition, vaporizer is furnished with safety alarm device, when superpressure and gas leakage and alarm, in vaporizer, is also provided with turriform cloth bellows or grid, good adaptability can be had to different biomass fuels; The rotating air-duct that vaporizer is arranged, effectively can improve the uniformity of gasification efficiency and reaction in furnace.
[accompanying drawing explanation]
Fig. 1 is sectional structure schematic diagram of the present invention.
[detailed description of the invention]
Below in conjunction with drawings and Examples, structure of the present invention is described further:
A kind of integrated multi-functional chimney-free low-carbon (LC) gas fired-boiler, as shown in Figure 1, comprise the cylindrical furnace of vertical placement, described body of heater comprises ash silo 1 and vaporizer 2, vaporizer 2 and ash silo about 1 combination arrange composition biomass gasifying furnace, the upside of the vaporizer 2 of body of heater is provided with boiler 4, vaporizer 2 top of body of heater is provided with feeding device 5, the side of boiler 4 is provided with the combustor 3 that incendivity biological fuel gas or natural gas mix combustion, and vaporizer 2 top is also connected with the fuel gas supply being convenient to produce to the pipeline 30 of combustor 3; Wherein, combustor 3 can simultaneously biological substance for combustion combustion gas and natural gas, when fuel shortage, natural gas can be adopted as supplementing.
Continue as shown in Figure 1, refractory brick protective layer 8 is provided with at the internal layer of ash silo 1 and vaporizer 2, ash silo 1 skin is also provided with the heat-insulation layer 9 to the protection of refractory brick protective layer, the refractory brick protective layer periphery of vaporizer 2 is also provided with cooling water jecket layer 12, cooling water jecket layer is positioned at the skin of vaporizer 2 and is lowered the temperature to whole body of heater protection by its cooling water, multiple equally distributed rotating air-duct 10 being convenient to improve gasification efficiency and reaction in furnace uniformity to vaporizer 2 blowing is also connected with on the downside of vaporizer 2, vaporizer 2 intracavity bottom is provided with the turriform cloth bellows 9 being convenient to different fuel gasification, vaporizer 2 is also provided with the safety alarm device 20 of alarm gas leakage or indoor superpressure.
Continue as shown in Figure 1, the high-temperature cyclone dust extractor 6 of high-temp. vortex is also provided with at the pipeline 30 of combustor 3, the waste discharge pipeline that pipeline 30 lower end connects also is provided with automatic coke removing device 7, the water-level gauge 16 being convenient to observe water level height in cooling water jecket layer 12 is also connected with at vaporizer 2, feeding device 5 is the screw(-type) feeder that based on fuel physical dimension difference is convenient to feed in raw material, and the ash hole bottom ash silo 1 is also provided with the helical feed ash hoist 11 be convenient to lime-ash and discharged.
During work, biomass fuel adds vaporizer 2 by feeding device 5, biomass fuel enters vaporizer 2 through preheating and forms the bed of material, and move downward along with constantly gasifying, experience drying layer, cleaving layer, reducing zone, oxide layer, finally become lime-ash and drop into ash silo 1, discharged by helical feed ash hoist 11.
Drying layer in biomass gasifying furnace, cleaving layer, reducing zone, oxide layer are not significantly decomposed, biomass fuel heating temperature in top-down motion process rises gradually, decomposite a large amount of micromolecular organic combustible gas, a part of oxygen reaction complete with unreacted generates CO, and release heat, undecomposed part take fixed carbon as the main air generation redox reaction entered with drum in bottom, generates CO and CO2, and releases a large amount of heat.Meanwhile, the cooling water jecket layer 12 of vaporizer 2 water temperature of absorbing heat rises, and generating steam sends vaporizer 2 bottom to by pipeline, makes it react with the carbon-coating of high temperature, generation H
2and CO, thus improve the calorific value of biological fuel gas, also reduce the temperature of bottom, prevent scaling loss.Also can lead to recirculated cooling water in cooling water jecket layer 12, the hot water boiler of feeding obtained uses, and improves the inflow temperature of boiler, improves the thermal efficiency of boiler; The fuel gas that gasification produces is through high-temperature cyclone dust extractor, and removing flue dust, tar, by combustor ignition, provide heat to produce steam to boiler.
The present invention adopts the mode of piecewise combination, and every part can make standard component, both convenient manufacture, and easily transport again, transport to in-site installation fast and easy after carrying out in factory, quality is guaranteed, and the duration is also short.Each several part makes series as required, can mate according to different demands, meets the requirement of difference energy and different fuel.Each several part adopts the mode of Vertical Combination, and floor space is little, and equipment is very high simultaneously, and flue gas is discharged from top, does not need to arrange tall and big chimney in addition.
The above embodiment is just preferred embodiment of the present invention, not limits practical range of the present invention with this; The equivalence change that all shapes according to the present invention, structure and principle are done, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, all should be covered by protection scope of the present invention.
Claims (7)
1. integrated multi-functional chimney-free low-carbon (LC) gas fired-boiler, comprises the cylindrical furnace of vertical placement, it is characterized in that:
Described body of heater comprises ash silo (1) and vaporizer (2), vaporizer (2) and ash silo (1) combine up and down and arrange composition biomass gasifying furnace, the upside of the vaporizer (2) of body of heater is provided with boiler (4), vaporizer (2) top is provided with feeding device (5), the side of boiler (4) is provided with combustor (3), vaporizer (2) top be also connected be convenient to produce fuel gas supply to the pipeline of combustor (3) (30);
The internal layer of described ash silo (1) and vaporizer (2) is provided with refractory brick protective layer (8), ash silo (1) skin is also provided with the heat-insulation layer (9) to the protection of refractory brick protective layer, the refractory brick protective layer periphery of vaporizer (2) is also provided with cooling water jecket layer (12), cooling water jecket layer is positioned at the outer of vaporizer (2) and is lowered the temperature to whole body of heater protection by its cooling water, at least one is convenient to improve gasification efficiency and rotating air-duct (10) from reaction in furnace uniformity to vaporizer (2) blowing is also connected with in vaporizer (2) downside.
2. integrated multi-functional chimney-free low-carbon (LC) gas fired-boiler according to claim 1, is characterized in that, described vaporizer (2) intracavity bottom is provided with the turriform cloth bellows (9) or grate of being convenient to different fuel gasification.
3. integrated multi-functional chimney-free low-carbon (LC) gas fired-boiler according to claim 1, is characterized in that, described vaporizer (2) is also connected with the water-level gauge (16) being convenient to observe the interior water level height of cooling water jecket layer (12).
4. integrated multi-functional chimney-free low-carbon (LC) gas fired-boiler according to claim 1, is characterized in that, the hopper that described feeding device (5) is convenient to feed in raw material for based on fuel physical dimension is different or screw(-type) feeder.
5. integrated multi-functional chimney-free low-carbon (LC) gas fired-boiler according to claim 1, it is characterized in that, the ash hole of described ash silo (1) bottom is also provided with the helical feed ash hoist (11) or flight chain ash hoist of being convenient to lime-ash discharge.
6. integrated multi-functional chimney-free low-carbon (LC) gas fired-boiler according to claim 1, it is characterized in that, the pipeline (30) of described combustor (3) is also provided with high-temperature cyclone dust extractor (6), and the waste discharge pipeline that pipeline (30) lower end connects also is provided with automatic coke removing device (7).
7. integrated multi-functional chimney-free low-carbon (LC) gas fired-boiler according to claim 1, is characterized in that, described vaporizer (2) is also provided with the safety alarm device (20) of alarm gas leakage or indoor superpressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510867921.2A CN105402709A (en) | 2015-11-30 | 2015-11-30 | Integrated multifunctional chimney-free low-carbon gas boiler |
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|---|---|---|---|
| CN201510867921.2A CN105402709A (en) | 2015-11-30 | 2015-11-30 | Integrated multifunctional chimney-free low-carbon gas boiler |
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| CN105402709A true CN105402709A (en) | 2016-03-16 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910083A (en) * | 2016-06-02 | 2016-08-31 | 株洲市蒸汽节能科技有限公司 | Firewood boiler |
| CN106322362A (en) * | 2016-08-31 | 2017-01-11 | 北京北方永邦科技股份有限公司 | Biomass combustor and biomass fuel combustion method |
| CN106403275A (en) * | 2016-11-08 | 2017-02-15 | 青岛智良环保科技有限公司 | Biomass environment-friendly hot blast boiler |
| CN107702519A (en) * | 2017-11-08 | 2018-02-16 | 安徽上元绿能科技有限公司 | A kind of drying system using biomass fuel |
| CN108329949A (en) * | 2018-03-27 | 2018-07-27 | 广州优的新能源科技有限公司 | The autonomous dedusting gasification furnace of biomass |
| CN108728173A (en) * | 2017-04-18 | 2018-11-02 | 青岛冠宝林活性炭有限公司 | A kind of vertical type biomass gasification installation |
| CN109140426A (en) * | 2018-10-16 | 2019-01-04 | 郴州自然人新能源高科技有限公司 | A kind of biomass back-burning formula gasification combustion equipment |
-
2015
- 2015-11-30 CN CN201510867921.2A patent/CN105402709A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910083A (en) * | 2016-06-02 | 2016-08-31 | 株洲市蒸汽节能科技有限公司 | Firewood boiler |
| CN106322362A (en) * | 2016-08-31 | 2017-01-11 | 北京北方永邦科技股份有限公司 | Biomass combustor and biomass fuel combustion method |
| CN106403275A (en) * | 2016-11-08 | 2017-02-15 | 青岛智良环保科技有限公司 | Biomass environment-friendly hot blast boiler |
| CN108728173A (en) * | 2017-04-18 | 2018-11-02 | 青岛冠宝林活性炭有限公司 | A kind of vertical type biomass gasification installation |
| CN107702519A (en) * | 2017-11-08 | 2018-02-16 | 安徽上元绿能科技有限公司 | A kind of drying system using biomass fuel |
| CN108329949A (en) * | 2018-03-27 | 2018-07-27 | 广州优的新能源科技有限公司 | The autonomous dedusting gasification furnace of biomass |
| CN109140426A (en) * | 2018-10-16 | 2019-01-04 | 郴州自然人新能源高科技有限公司 | A kind of biomass back-burning formula gasification combustion equipment |
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