CN201145301Y - Lower-suction type biological material gasifying stove - Google Patents
Lower-suction type biological material gasifying stove Download PDFInfo
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- CN201145301Y CN201145301Y CNU2007201789354U CN200720178935U CN201145301Y CN 201145301 Y CN201145301 Y CN 201145301Y CN U2007201789354 U CNU2007201789354 U CN U2007201789354U CN 200720178935 U CN200720178935 U CN 200720178935U CN 201145301 Y CN201145301 Y CN 201145301Y
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- heater
- air inlet
- dead level
- gas outlet
- flame retardant
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Abstract
The utility model relates to a down-draft biomass gasification furnace, comprising a cylindrical furnace body which is provided with a movable furnace cover on the top part and a grate on the bottom part to form an upper combustion chamber and a lower ash chamber, wherein, the side surface of the combustion chamber is provided with a slag removing port on the lower part, an air inlet on the upper part and a fireproof layer inside; the side surface of the ash chamber is provided with an ash removing port and an gas outlet, wherein, an inward reducing neck is arranged on the lower part of the fireproof layer; and a spacing layer channel which is communicated with the upper part from the neck is arranged between the inner wall of the cylindrical furnace body and the fireproof. The down-draft biomass gasification furnace has the advantages of simple structure, stable and reliable operation, large gas yield, constant gas generation and so on.
Description
Technical field
The utility model relates to a kind of biomass gasifying furnace, particularly a kind of downdraft biomass gasifying furnace.
Background technology
Living beings combustibles such as straw, rice husk, weeds and wood chip in stove not exclusively fuel and thermal chemical reaction can produce a large amount of fuel gas, can replace conventional fossil energy and protection environment effectively.There is following shortcoming in traditional biomass gasifying furnace: one, fuel moisture content is required high (in moisture 15%), aerogenesis, aerogenesis time lack continuously, can only reach family's requirement of cooking, and can not be used for commerce and industry, and cost performance is low; Two, the cooling jacket of body of heater and combustion barrel set out the structure that gas port is directly given vent to anger every direct socket and top continuously, and the temperature that the cooling jacket of direct socket greatly reduces combustion barrel is easy to generate " edge gas " and has reduced gasification efficiency; Three, the gas outlet of updraft type gasification furnace design, because of the stove endogenous substance time can produce a large amount of water vapours and tar in burning, water vapour can make the institute's material fuel gases calorific value that produces reduction, even difficulty is caught fire, the gas outlet that a large amount of tar and condensed water can cause top directly to be given vent to anger is stopped up, and removes the tar difficulty; Four, igniting is difficult, and the sootiness operator can not reach environmental requirement, also gives to promote the use of and brings restriction.
Summary of the invention
The purpose of this utility model be intended to overcome the deficiencies in the prior art and provide simple in structure, working stability is reliable, gas production is big and a kind of downdraft biomass gasifying furnace of lasting aerogenesis.
The purpose of this utility model is achieved in that a kind of downdraft biomass gasifying furnace, comprise the tubular body of heater, the body of heater top is provided with movable bell, the bottom is provided with grate body of heater is constituted the fuel chambers on top and the grey chamber of bottom, the fuel chambers side be provided with bottom breast hole, top air inlet, in be provided with flame retardant coating, side, ash chamber is provided with cleaning door and gas outlet, wherein: described flame retardant coating bottom is provided with the eck of inside undergauge, be provided with between tubular inboard wall of furnace body and flame retardant coating by eck be communicated to top every the dead level passage.
Above-mentioned inboard, the described gas outlet of a kind of downdraft biomass gasifying furnace is provided with the tubular dust block board, directly enters the gas outlet to intercept dust.
Adopt a kind of downdraft biomass gasifying furnace of technique scheme, by the eck of inside undergauge is set in the flame retardant coating bottom of fuel chambers, and the flame retardant coating on eck top and tubular body of heater are formed every the dead level passage, guarantee that fuel chambers top and the bottom gas constitutes circulation, oxidation reaction is acutely carried out in the neck finish portion of dwindling of fuel chambers, ensured the high temperature requirement in the reduction reaction, the tar major part that makes thermal decomposition go out resolves into fuel gas with scorching hot charcoal reaction, make the steam that when burning, produces cycle back to the eck place combustion reaction of fuel chambers bottom downwards simultaneously, generate hydrogen, fuel gas such as carbon monoxide.
Further improvement of the utility model scheme: outside body of heater, also be arranged with the cooling water sleeve, between body of heater and cooling water sleeve, be provided with every dead level, top seal fixedly connected, described cooling water sleeve lower bottom part is provided with water inlet, top is provided with delivery port, describedly be connected with grey chamber every dead level, described gas outlet is arranged on every dead level top; Water seal annular groove, middle part that described body of heater top also is provided with inner cap and ring inner cap limit vertically are provided with air inlet and igniting conduit, and movable bell be located on the water seal annular groove; Described air inlet is arranged on air inlet and igniting conduit and covers in relative.
Cover in above-mentioned a kind of downdraft biomass gasifying furnace is described and be provided with and air inlet and the relative through hole of igniting conduit.
Cover in above-mentioned a kind of downdraft biomass gasifying furnace is described and be provided with the removable cover that is articulated and connected.The air inlet that suitable size is arranged on the removable cover guarantees the required minimum air of gasification furnace, and prevents that the cloud of dust from leaking.Need not during charging that integral body is opened and movable the switching, the cloud of dust when preventing to burn at any time leaks.
The above-mentioned described cooling water sleeve of a kind of downdraft biomass gasifying furnace lower bottom part is provided with water inlet, top is provided with delivery port, guarantees the chilling temperature of cooling water sleeve with recirculated water.
Adopt a kind of downdraft biomass gasifying furnace of technique scheme, be separated by emptyly, be communicated with ash chamber, bottom, utilize body of heater table temperature to provide hot water to make other purposes, fill part and utilize heat energy every dead level every dead level by between combustion barrel and cooling water sleeve, being provided with; Air inlet that fuel chambers middle part is axial and igniting conduit make the gasification furnace oxidation reaction better, and provide ignition channel to lead to bottom direct-fire to make igniting become easy.
The utlity model has advantages such as simple in structure, easy to use, with low cost and environmentally-friendly sanitary.
Description of drawings
Fig. 1 is the wherein structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of the another kind of embodiment of the utility model.
Among the figure: 1 is body of heater, and 2 is movable bell, and 3 is grate, and 4 is flame retardant coating, 41 is eck, and 42 is every the dead level passage, and 5 is the cooling water sleeve, 51 is every dead level, and 52 is water inlet, and 53 is delivery port, 6 is inner cap, and 61 are the water seal annular groove, and 62 is through hole, 7 are air inlet and igniting conduit, and A is a fuel chambers, and A1 is a breast hole, B is grey chamber, and B1 is a cleaning door, and B2 is the gas outlet.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail, but does not constitute any restriction of the present utility model.
As shown in Figure 1, a kind of downdraft biomass gasifying furnace, comprise tubular body of heater 1, body of heater 1 top is provided with movable bell 2, the bottom is provided with grate 3 body of heater 1 is constituted the fuel chambers A on top and the grey chamber B of bottom, fuel chambers A side be provided with bottom breast hole A1, top air inlet A2, in be provided with flame retardant coating 4, B side, ash chamber is provided with cleaning door B1 and gas outlet B2, flame retardant coating 4 bottoms are provided with the eck 41 of inside undergauge, 4 of tubular body of heater 1 inwall and flame retardant coatings be provided with by eck 41 be communicated to top every dead level passage 42; B2 inboard, gas outlet is provided with tubular dust block board B3.
When present embodiment specifically uses, fuel drop into after by the removable cover of opening inner cap 6 and igniting after, air inlet A2 provides the burning required air, burning is acutely carried out at eck 41 places that dwindle of fuel chambers, be subjected to combustion gas heating simultaneously and water vapour that dry fuel produces and other gas rise at A top, combustion chamber through every the 42 eck 41 places combustion reactions that cycle back to inside undergauge downwards suitable for reading of dead level passage, generating combustion gas bodies such as hydrogen, carbon monoxide improves gas production; Gasification furnace takes away movable bell 2 when normally using, open scarfing cinder when running into slagging scorification after working long hours, and closes breast hole A1 and cleaning door B1 (opening when deashing, scarfing cinder), and refuelling does not influence aerogenesis in the gas generation process, continuously aerogenesis.The combustion gas that gasification furnace produces attracts to be transported to the user through gas outlet B2 by air-introduced machine or air pump and uses equipment.
As shown in Figure 2, a kind of downdraft biomass gasifying furnace, comprise tubular body of heater 1, body of heater 1 top is provided with movable bell 2, the bottom is provided with grate 3 body of heater 1 is constituted the fuel chambers A on top and the grey chamber B of bottom, fuel chambers A side be provided with bottom breast hole A1, top air inlet A2, in be provided with flame retardant coating 4, B side, ash chamber is provided with cleaning door B1 and gas outlet B2, flame retardant coating 4 bottoms are provided with the eck 41 of inside undergauge, 4 of tubular body of heater 1 inwall and flame retardant coatings be provided with by eck 41 be communicated to top every dead level passage 42; The body of heater 1 outer cooling water sleeve 5 that also is arranged with, between body of heater 1 and cooling water sleeve 5, be provided with every dead level 51, top seal fixedly connected, cooling water sleeve 5 lower bottom parts are provided with water inlet 52, top is provided with delivery port 53, be connected with grey chamber B every dead level 51, gas outlet B2 is arranged on every dead level 51 tops; Water seal annular groove 61, middle part that body of heater 1 top also is provided with inner cap 6 and ring inner cap 6 limits vertically are provided with air inlet and igniting conduit 7, and movable bell 2 be located on the water seal annular groove 61; Inner cap 6 is provided with and air inlet and the relative through hole 62 of igniting conduit 7; Air inlet A2 be arranged on air inlet and igniting conduit 7 relative inner caps 6 on.
When present embodiment specifically uses, fuel drops into after by the removable cover of opening inner cap 6, after air inlet axial in the middle part of the fuel chambers and 7 igniting of igniting conduit, the burning required air is provided simultaneously, burning is acutely carried out at eck 41 places that dwindle of fuel chambers, be subjected to combustion gas heating simultaneously and water vapour that dry fuel produces and other gas rise at A top, combustion chamber through every the 42 eck 41 places combustion reactions that cycle back to inside undergauge downwards suitable for reading of dead level passage, generating fuel gas such as hydrogen, carbon monoxide improves gas production; The water inlet 52 of cooling water sleeve 5 bottoms taps into running water, and 53 make other purposes for delivery port provides hot water, fills part and utilizes heat energy; When taking away movable bell 2 and refuelling when normally using, opens gasification furnace the removable cover of inner cap 6, open scarfing cinder when after working long hours, running into slagging scorification, close breast hole A1 and cleaning door B1 (opening when deashing, scarfing cinder), refuelling does not influence aerogenesis in the gas generation process, continuously aerogenesis.The combustion gas that gasification furnace produces attracts to be transported to the user through gas outlet B2 by air-introduced machine or air pump and uses equipment; Need directly to cover when flame-out movable bell 2, movable bell 2 and water seal annular groove 61 interlock and make secluding air in the body of heater and stop working.
Claims (3)
1. downdraft biomass gasifying furnace, comprise tubular body of heater (1), body of heater (1) top is provided with movable bell (2), the bottom is provided with grate (3) body of heater (1) is constituted the fuel chambers (A) on top and the grey chamber (B) of bottom, fuel chambers (A) side is provided with bottom breast hole (A1), top air inlet (A2), in be provided with flame retardant coating (4), side, ash chamber (B) is provided with cleaning door (B1) and gas outlet (B2), it is characterized in that: described flame retardant coating (4) bottom is provided with the eck (41) of inside undergauge, be provided with between tubular body of heater (1) inwall and flame retardant coating (4) by eck (41) be communicated to top every dead level passage (42).
2. a kind of downdraft biomass gasifying furnace according to claim 1, it is characterized in that: the outer cooling water sleeve (5) that also is arranged with of described body of heater (1), between body of heater (1) and cooling water sleeve (5), be provided with every dead level (51), top seal fixedly connected, described cooling water sleeve (5) lower bottom part is provided with water inlet (52), top is provided with delivery port (53), describedly be connected with grey chamber (B) every dead level (51), described gas outlet (B2) is arranged on every dead level (51) top; Water seal annular groove (61), middle part that described body of heater (1) top also is provided with inner cap (6) and ring inner cap (6) limit vertically are provided with air inlet and igniting conduit (7), and movable bell (2) be located on the water seal annular groove (61); Described air inlet (A2) be arranged on air inlet and the igniting relative inner cap of conduit (7) (6) on.
3. a kind of downdraft biomass gasifying furnace according to claim 1 is characterized in that: inboard, described gas outlet (B2) is provided with tubular dust block board (B3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201789354U CN201145301Y (en) | 2007-12-27 | 2007-12-27 | Lower-suction type biological material gasifying stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201789354U CN201145301Y (en) | 2007-12-27 | 2007-12-27 | Lower-suction type biological material gasifying stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201145301Y true CN201145301Y (en) | 2008-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201789354U Expired - Fee Related CN201145301Y (en) | 2007-12-27 | 2007-12-27 | Lower-suction type biological material gasifying stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201145301Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756728A (en) * | 2013-12-30 | 2014-04-30 | 葛守飞 | Biomass charcoal gas co-production system and working method |
| CN105062564A (en) * | 2015-07-21 | 2015-11-18 | 济南大学 | Gasification furnace with functions of novel gas-ash separation, natural air cooling with chimney effect and backward washing with filtering wire meshes |
| CN108179034A (en) * | 2018-03-09 | 2018-06-19 | 应佩荣 | The downdraft combustion furnace of bamboo timber stoving and bamboo and wood charcoal production zero-emission cigarette is realized simultaneously |
| CN113913207A (en) * | 2021-11-22 | 2022-01-11 | 湖南万有能源科技股份有限公司 | Biomass gas furnace and use method thereof |
-
2007
- 2007-12-27 CN CNU2007201789354U patent/CN201145301Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756728A (en) * | 2013-12-30 | 2014-04-30 | 葛守飞 | Biomass charcoal gas co-production system and working method |
| CN105062564A (en) * | 2015-07-21 | 2015-11-18 | 济南大学 | Gasification furnace with functions of novel gas-ash separation, natural air cooling with chimney effect and backward washing with filtering wire meshes |
| CN108179034A (en) * | 2018-03-09 | 2018-06-19 | 应佩荣 | The downdraft combustion furnace of bamboo timber stoving and bamboo and wood charcoal production zero-emission cigarette is realized simultaneously |
| CN113913207A (en) * | 2021-11-22 | 2022-01-11 | 湖南万有能源科技股份有限公司 | Biomass gas furnace and use method thereof |
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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: 20081105 Termination date: 20111227 |