CN104748365A - Multi-return-stroke gasification boiler of biomass fluidized bed - Google Patents
Multi-return-stroke gasification boiler of biomass fluidized bed Download PDFInfo
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- CN104748365A CN104748365A CN201310725405.7A CN201310725405A CN104748365A CN 104748365 A CN104748365 A CN 104748365A CN 201310725405 A CN201310725405 A CN 201310725405A CN 104748365 A CN104748365 A CN 104748365A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The invention discloses a multi-return-stroke gasification boiler of a biomass fluidized bed. The multi-return-stroke gasification boiler comprises a first boiler body, a second boiler body, a hopper and an air blower. The first boiler body is divided into an upper portion and a lower portion, wherein the upper portion is a combustion chamber, and the lower portion is a gasification chamber. A ventilation opening is formed in one side of the bottom of the gasification chamber, and is connected with the air blower through a ventilation pipe; a grate bar is arranged on the lower portion of the gasification chamber, and a water tank is arranged in the second boiler body; the hopper is further arranged on one side of the gasification chamber, and is connected with the gasification chamber through an auger; and a material valve is arranged between the hopper and the auger. A gas outlet communicated with the combustion chamber is formed in the top of the gasification chamber; and an ignition opening is formed in one side of the combustion chamber, and an air outlet is formed in the other side of the combustion chamber; a reflection chamber is arranged on the lower portion of the second boiler body, and an air inlet chamber and an air outlet chamber are arranged on the upper portion of the second boiler body; and the air inlet chamber and the air outlet chamber are communicated with the reflection chamber through a certain number of fire pipes. The second boiler body is connected with an air outlet of the first boiler body through the air inlet chamber. The multi-return-stroke gasification boiler is simple in structure, convenient to use and high in heat utilization efficiency.
Description
Technical field
The present invention relates to a kind of gasification boiler, particularly relate to a kind of biomass fluid bed many backhauls gasification boiler.
Background technology
always using the fuel of coal as boiler in existing life and industrial processes; because the efficiency of combustion of coal is not high; not only finite energy resource is consumed as the fuel of boiler with coal; and often there will be the phenomenon of chimney over-emitting black exhaust; return environment and bring serious pollution, particularly serious with small scall coal-fired boiler contaminated environment.Therefore, people invested biomass fuel sight in recent years, and biomass fuel is that biomass conversion is become gas combustion, clean free from environmental pollution after burning, improve taste and the energy utilization rate of fuel.It is wooden etc. that biomass fuel comprises stalk, rice husk, weeds, wherein, stalk is very general in rural households, because its value is not given prominence to, often arbitrarily abandoned or burned, particularly during rural area traditional combustion stalk, smoke fire burns, boundless black smoke, not only causes the wasting of resources, and causes environmental pollution.Therefore, used as biomass fuel by stalk, have developed various stalk gasifier, this stalk gasifier uses in China rural area in a large number with its environmental protection, the advantage such as energy-conservation.But existing boiler mostly adopts fixed bed gasification mode, heat inconvenience removed by fixed bed reactors, Continuous Heat Transfer or dilution material concentration can only be adopted to control temperature rise, use inconvenience, and present biomass gasification boiler poor practicability, heat utilization efficiency is not high.
Summary of the invention
Goal of the invention of the present invention is:
A kind of rational in infrastructure, easy to use, biomass fluid bed gasification boiler that heat utilization efficiency is high is provided.
Technical scheme of the present invention is:
A kind of biomass fluid bed many backhauls gasification boiler of design, comprise the first body of heater, second body of heater, hopper, air blast, first body of heater is divided into upper and lower two parts, top is divided into combustion chamber, bottom is divided into vaporizer, bottom vaporizer, side is provided with ventilating opening, ventilating opening is connected with air blast by ventilating duct, vaporizer bottom is also provided with grate, also water tank is provided with in second body of heater, described vaporizer side is also provided with hopper, this hopper is connected with vaporizer by screw feeder, material valve is also provided with between hopper and screw feeder, vaporizer top is provided with the gas outlet with combustion chamber, side, combustion chamber is provided with lighting-up tuyere, opposite side is provided with gas outlet, the bottom of the second body of heater is provided with a reflection room, top is provided with inlet plenum and discharge chamber, described inlet plenum is communicated with reflection room with the fire tube of discharge chamber by some, second body of heater is connected by the gas outlet of inlet plenum with the first body of heater.
The discharge chamber place of described second body of heater is also connected to air-introduced machine.
Also can be provided with the 3rd body of heater between described first body of heater and the second body of heater, the 3rd body of heater is identical with the second furnace binding, and the inlet plenum of the 3rd body of heater is connected with the gas outlet of the first body of heater, and the discharge chamber of the 3rd body of heater is connected with the second body of heater inlet plenum.
Described first body of heater, the skin of the second body of heater and the 3rd body of heater is all heat insulation layer structure.
The invention has the beneficial effects as follows:
Apparatus of the present invention structure is simple, and easy to use, heat utilization efficiency is high.
Accompanying drawing explanation
below in conjunction with drawings and Examples, invention is described in further detail.
Fig. 1 is one of structural representation of the present invention
Fig. 2 is structural representation two of the present invention
The concrete meaning of number in the figure is: 1. grate, 2. hopper, 3. screw feeder, 4. air blast, 5. gas outlet, 6. lighting-up tuyere, 7. the first body of heater, 8. inlet plenum, 9. discharge chamber, 10. reflection room, 11. second bodies of heater, 12. the 3rd bodies of heater, 13. air-introduced machines, 14. material valves, 15. water tanks, 16. gas outlets, 17. vaporizers, 18. combustion chambers, 19. ventilating openings, 20. fire tubes.
Detailed description of the invention
Embodiment one, see Fig. 1, it is a kind of biomass fluid bed many backhauls gasification boiler shown in figure, comprise the first body of heater 7, second body of heater 12, hopper 2, air blast 4, first body of heater 7 is divided into upper and lower two parts, top is divided into combustion chamber 18, bottom is divided into vaporizer 17, bottom vaporizer 17, side is provided with ventilating opening 19, ventilating opening 19 place is connected with air blast 4, vaporizer 17 bottom is also provided with grate 1, water tank 15 is also provided with in second body of heater 11, described vaporizer 17 side is also provided with hopper 2, hopper 2 is connected with vaporizer 17 by screw feeder 3, also be provided with between hopper 2 and screw feeder 3 and expect valve 14, vaporizer 17 top is provided with the gas outlet 5 be communicated with combustion chamber 18, side, combustion chamber 18 is provided with lighting-up tuyere 6, opposite side is provided with gas outlet 16, the bottom of the second body of heater 11 is provided with a reflection room 10, top is provided with inlet plenum 8 and discharge chamber 9, inlet plenum 8 is communicated with reflection room 10 with the fire tube 20 of discharge chamber 9 by some, second body of heater 11 is connected with the gas outlet 16 of the first body of heater by inlet plenum 8, discharge chamber 9 place of the second body of heater 11 is also connected to air-introduced machine 13.
During work, biomass material is sent into vaporizer by screw feeder 3 by hopper 2, it is indoor that gasifying agent is upwards blown into furnace gasization by air blast bottom grate, fuel gas is converted into through reaction, fuel gas enters combustion chamber by gas outlet, generate heat through lighting-up tuyere ignition, the heat produced is under the guiding of air-introduced machine, the inlet plenum of the second body of heater is entered from combustion chamber, then reflection room is entered through heat pipe, discharge chamber is entered again from reflection room, water tank is provided with in second body of heater, repeatedly run in the second body of heater by heat, fully heat can be passed to water tank, make heat utilization efficiency high.
Embodiment two, see Fig. 2, the present embodiment and embodiment one difference are, the present embodiment adds the 3rd body of heater between the first body of heater and the second body of heater, wherein, 3rd body of heater is identical with the second furnace binding, the inlet plenum of the 3rd body of heater is connected with the gas outlet of ground one body of heater, and the discharge chamber of the 3rd body of heater is connected with the inlet plenum of the second body of heater, and adding the heat that the 3rd body of heater makes combustion chamber produce can utilize more fully, other embodiment is identical with embodiment one, repeats no more.
Claims (4)
1. biomass fluid bed many backhauls gasification boiler, comprise the first body of heater, second body of heater, hopper, air blast, first body of heater is divided into upper and lower two parts, top is divided into combustion chamber, bottom is divided into vaporizer, bottom vaporizer, side is provided with ventilating opening, ventilating opening place is connected with air blast, vaporizer bottom is also provided with grate, also water tank is provided with in second body of heater, it is characterized in that: described vaporizer side is also provided with hopper, this hopper is connected with vaporizer by screw feeder, material valve is also provided with between hopper and screw feeder, described vaporizer top is provided with the gas outlet with combustion chamber, side, combustion chamber is provided with lighting-up tuyere, opposite side is provided with gas outlet, the bottom of the second body of heater is provided with a reflection room, top is provided with inlet plenum and discharge chamber, described inlet plenum is communicated with reflection room with the fire tube of discharge chamber by some, second body of heater is connected by the gas outlet of inlet plenum with the first body of heater.
2. biomass fluid bed many backhauls gasification boiler according to claim 1, is characterized in that: be connected to air-introduced machine at the discharge chamber place of the second body of heater.
3. biomass fluid bed many backhauls gasification boiler according to claim 1 and 2, it is characterized in that: between the first body of heater and the second body of heater, also can be provided with the 3rd body of heater, 3rd body of heater is identical with the second furnace binding, the inlet plenum of the 3rd body of heater is connected with the gas outlet of the first body of heater, and the discharge chamber of the 3rd body of heater is connected with the second body of heater inlet plenum.
4. biomass fluid bed many backhauls gasification boiler according to claim 3, is characterized in that: described first body of heater, and the skin of the second body of heater and the 3rd body of heater is all heat insulation layer structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310725405.7A CN104748365A (en) | 2013-12-25 | 2013-12-25 | Multi-return-stroke gasification boiler of biomass fluidized bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310725405.7A CN104748365A (en) | 2013-12-25 | 2013-12-25 | Multi-return-stroke gasification boiler of biomass fluidized bed |
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| CN104748365A true CN104748365A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310725405.7A Pending CN104748365A (en) | 2013-12-25 | 2013-12-25 | Multi-return-stroke gasification boiler of biomass fluidized bed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189068A (en) * | 2018-11-15 | 2020-05-22 | 湖南三木龙威能源科技股份有限公司 | Biomass heat supply stove |
| CN111189069A (en) * | 2018-11-15 | 2020-05-22 | 湖南三木龙威能源科技股份有限公司 | Biomass heating device for indoor heating |
| CN111189067A (en) * | 2018-11-15 | 2020-05-22 | 湖南三木龙威能源科技股份有限公司 | Biomass water heater |
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| CN2861160Y (en) * | 2005-09-16 | 2007-01-24 | 马三轩 | Gasification furnace for waste inflammable matter |
| CN201014521Y (en) * | 2007-02-07 | 2008-01-30 | 吉林大学 | Biomass composite combustion heat exchange integrated furnace |
| CN101726098A (en) * | 2008-10-29 | 2010-06-09 | 刘传祥 | Coal gasification combustion integrative normal pressure hot water boiler |
| CN102042676A (en) * | 2011-01-14 | 2011-05-04 | 朔州市万申昌新能源研究中心 | Reverse combustion multi-pass biomass low-carbon energy-saving hot water boiler |
| CN102927558A (en) * | 2012-11-12 | 2013-02-13 | 青岛艳阳天环保锅炉有限公司 | Coal-fired full-automatic gasification combustion boiler |
| CN103277790A (en) * | 2013-05-08 | 2013-09-04 | 合肥工业大学 | Biomass particle fuel clean combustion stove |
| CN203671891U (en) * | 2013-12-25 | 2014-06-25 | 郑州金土地能源科技有限公司 | Biomass fluidized bed multi-stroke gasification boiler |
-
2013
- 2013-12-25 CN CN201310725405.7A patent/CN104748365A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2861160Y (en) * | 2005-09-16 | 2007-01-24 | 马三轩 | Gasification furnace for waste inflammable matter |
| CN201014521Y (en) * | 2007-02-07 | 2008-01-30 | 吉林大学 | Biomass composite combustion heat exchange integrated furnace |
| CN101726098A (en) * | 2008-10-29 | 2010-06-09 | 刘传祥 | Coal gasification combustion integrative normal pressure hot water boiler |
| CN102042676A (en) * | 2011-01-14 | 2011-05-04 | 朔州市万申昌新能源研究中心 | Reverse combustion multi-pass biomass low-carbon energy-saving hot water boiler |
| CN102927558A (en) * | 2012-11-12 | 2013-02-13 | 青岛艳阳天环保锅炉有限公司 | Coal-fired full-automatic gasification combustion boiler |
| CN103277790A (en) * | 2013-05-08 | 2013-09-04 | 合肥工业大学 | Biomass particle fuel clean combustion stove |
| CN203671891U (en) * | 2013-12-25 | 2014-06-25 | 郑州金土地能源科技有限公司 | Biomass fluidized bed multi-stroke gasification boiler |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189068A (en) * | 2018-11-15 | 2020-05-22 | 湖南三木龙威能源科技股份有限公司 | Biomass heat supply stove |
| CN111189069A (en) * | 2018-11-15 | 2020-05-22 | 湖南三木龙威能源科技股份有限公司 | Biomass heating device for indoor heating |
| CN111189067A (en) * | 2018-11-15 | 2020-05-22 | 湖南三木龙威能源科技股份有限公司 | Biomass water heater |
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Application publication date: 20150701 |