CN101109519A - Domestic biomass gasification stove and manufacturing method thereof - Google Patents
Domestic biomass gasification stove and manufacturing method thereof Download PDFInfo
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- CN101109519A CN101109519A CNA2007100784201A CN200710078420A CN101109519A CN 101109519 A CN101109519 A CN 101109519A CN A2007100784201 A CNA2007100784201 A CN A2007100784201A CN 200710078420 A CN200710078420 A CN 200710078420A CN 101109519 A CN101109519 A CN 101109519A
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Abstract
The invention relates to a household biomass gasifying furnace. Biomass fuel is added into the furnace through a feeding port or a burner; after ignition above the biomass fuel, the biomass fuel begins combustion, the oxygen necessary for the biomass to burn is supplied by a primary air inlet at the lower part of the furnace bridge; the combustion state of the biomass can be controlled by controlling the air supply volume, so that the biomass can be gasified. The combustible gas generated by the biomass floats upward by the air in the furnace because the specific weight of the combustible gas is low, mixes with the air input by the secondary-air-intake pipe at the end with smaller diameter of the burner and burns. In the use, just by adjusting the height of the furnace bridge and the air intake of the primary-air-intake port, the effective gasification of the biomass fuel can be guaranteed, and the full combustion of the combustible gas can be guaranteed. It is obvious that for the invention, it is not necessary to collect, clean and transmit the combustible gas from the gasified and combusted biomass, and the invention is free from any tar treatment and overcomes the shortcomings of prior technology. As the gasifying furnace is very easy to operate, one can learn to use the furnace just by a glance, therefore the invention is called ''automatic'' household biomass gasifying furnace.
Description
Technical field
The present invention relates to the preparation method and the gasification furnace of domestic biomass gasification stove, the domestic biomass gasification stove operation that the inventive method is made is very easy, at a glance can a kind of domestic biomass gasification stove.
Background technology
Domestic biomass gasification stove is to utilize living beings (as: agricultural waste material such as stalk, rice husk, branch, weeds or house refuse etc.) to burn under anaerobic condition, make most of combustible species be converted into fuel gas, through cooling, purify after for uses such as cooking, heatings.Common household gasification furnace comprises updraft type fixed-bed gasification furnace and downdraft fixed-bed gasification furnace.Updraft type fixed-bed gasification furnace basic structure is a cylindrical furnace, is lined with refractory material at inboard wall of furnace body, and the body of heater bottom is connected with air intake pipe, and upper of furnace body has the sealing loam cake.During use living beings are put into body of heater, the igniting airtight burning in back is only carried air by air blast in body of heater, and the control air input just can guarantee the anoxycausis of living beings, generates fuel gas.Top at body of heater is provided with the fuel gas gathering-device usually, and the pipeline of outside transporting combustible gases is arranged.At present, household gasification furnace mostly is a split-type structural, be that gasification furnace separates with burner, after gasification furnace is collected the fuel gas of living beings gasification back formation, be transported to cooling device, filter or tar separation device etc. by pipeline, to remove dust in the fuel gas, tar etc., be transported to burner combustion again.And the most unmanageable in this course of conveying be exactly tar in the combustion gas, higher because of its content, in course of conveying, may be deposited in pipeline or cooling device and the filter, cause gas pipeline or device to block, form secondary pollution or the like.In addition,, then may cause fuel gases calorific value lower if tar separation is not thorough, can not effective use of energy sources, phenomenons such as burner collection charcoal obstruction.Therefore, the tar content that how to reduce in the household gasification furnace combustion gas becomes the important topic that it is promoted the use of.
The fuel gas that above-mentioned domestic biomass gasification stove produced need be collected and carry, and therefore, structure is comparatively complicated.And, limited the domestic biomass gasification stove promotion and application to a great extent because the existence of tar makes that collection, purification and the conveying of fuel gas are more complicated and difficult.
Summary of the invention
For solving defectives such as existing domestic biomass gasification stove fuel gas collection, difficulty of transportation, tar difficult treatment and complex structure, the present invention proposes a kind of preparation method and gasification furnace of domestic biomass gasification stove.
Domestic biomass gasification stove preparation method gasification furnace of the present invention bottom is that biomass combustion vaporizer (abbreviating vaporizer as), top are gas fuel burning device (abbreviating burner as), both directly communicate, respectively the air inlet amount of vaporizer and burner is controlled, grate can move up and down.
Domestic biomass gasification stove preparation method of the present invention can adopt chimney, inlet channel and air inflow control valve etc. respectively the air inlet amount of vaporizer and burner to be controlled (abbreviating the nature air feed as), also can adopt air blast and air inflow control valve etc. respectively the air inlet amount of vaporizer and burner to be controlled (abbreviating forced air supply as).
Domestic biomass gasification stove preparation method burner of the present invention is the back taper circulus, be provided with air at the less end of cone diameter and enter through hole, one end of through hole leads to the gas fuel burning chamber, and the other end leads to gas distributing chamber, and the top of burner is provided with deep bead.
Domestic biomass gasification stove preparation method upper of furnace body of the present invention is provided with chimney, chimney outlet is provided with boiler, chimney passes from boiler inside, and the chimney of boiler inside is provided with heat exchange pipeline or heat exchanger fin, and the boiler bottom is equipped with flowing water Valve.
The bottom of domestic biomass gasification stove of the present invention is provided with inlet plenum (being ash discharging chamber), air inlet (being ash hole), air inlet is provided with the air inflow control valve, the inlet plenum top is a grate, grate bottom centre is fixedly connected with and can moves up and down straight-bar, one side of straight-bar is equipped with gear, walking bar rod is housed on the gear, the grate top is a vaporizer, the vaporizer top is the back taper burner, the burner top is provided with deep bead, be provided with the burner air admission line between outer furnace wall and the internal furnace, combustion air admission line one end is uncovered, and the other end is connected with gas distributing chamber, gas distributing chamber in the burner outside and in the form of a ring, the less end of back taper burner diameter is provided with circumferential air and enters through hole, and an end of through hole leads to gas distributing chamber, and the other end leads to the gas fuel burning chamber.
The upper of furnace body of domestic biomass gasification stove of the present invention connects annulus cylinder shape kitchen range and supports, the side that the kitchen range cylinder supports is provided with biomass combustion and adds mouthful (peep hole also promptly burns), the opposing party is provided with chimney, and chimney passes from the boiler that is connected the body of heater outside.
The chimney of the boiler inside of domestic biomass gasification stove of the present invention is provided with heat exchange pipeline or heat exchanger fin, and the boiler bottom is equipped with flowing water Valve.
Be provided with hollow heat insulated layer between the outer furnace wall of domestic biomass gasification stove of the present invention and the internal furnace.
What domestic biomass gasification stove manipulation grate of the present invention moved up and down can be gear, rackwork, also can be mechanisms such as screw thread, screw rod.
Domestic biomass gasification stove inlet plenum air inlet adjustable valve of the present invention can adopt disk shape control valve, circular-arc control valve or through hole shape control valve.
Domestic biomass gasification stove of the present invention is by adding biomass fuel in the direction burner hearth on feed inlet or the burner, take fire from the top igniting artifact matter fuel of biomass fuel, at this moment, the required oxygen of biomass combustion can be supplied with from the inlet plenum of grate bottom, can control the fired state of living beings by the air quantity delivered of regulating inlet plenum, make it reach vaporized state.The fuel gas that living beings produce is because its proportion is less upwards drifts about under the effect of furnace gas, mixes mutually with air that the burner air admission line is imported and burns at the less end of burner diameter.In use, only note the height of adjusting grate and the air quantity delivered of inlet plenum, can guarantee effective gasification of biomass fuel, guarantee the abundant burning of fuel gas.Obviously, domestic biomass gasification stove of the present invention does not need the fuel gas of biomass combustion gasification is collected, purified and transmits, and does not have the handling problem of tar, has overcome the deficiencies in the prior art.Because domestic biomass gasification stove of the present invention operation is very easy, at a glance can, therefore, be called as " fool " domestic biomass gasification stove.
In order to adapt to the occasion use domestic biomass gasification stove of the present invention that chimney is installed in inconvenience, the invention allows for a kind of domestic biomass gasification stove that uses the air supply system of air blast and air inflow control valve composition, the general structure of this gasification furnace and natural Gas feeding are basic identical, just adopt air blast to be connected with burner air air inflow control valve with vaporizer air inlet adjustable valve respectively, be connected with burner gas distributing chamber with inlet plenum respectively by pipeline again by pipeline.Force air to enter gasification furnace by air blast, control the air capacity that air enters vaporizer and burner respectively by air volume regulating valve.
Description of drawings
Accompanying drawing 1 is the present invention's nature Gas feeding domestic biomass gasification stove structural representation
Accompanying drawing 2 is hollow heat insulated layer of the present invention's nature Gas feeding domestic biomass gasification stove and burner air admission line structural representation (the A-A cutaway view of accompanying drawing 1).
Accompanying drawing 3 is the present invention's nature Gas feeding domestic biomass gasification stove burner air admission line, gas distributing chamber and burner structure schematic diagram (the B-B cutaway view of accompanying drawing 2).
Accompanying drawing 4 is domestic biomass gasification stove of the present invention the handle grate gear that moves up and down, structural representations of rackwork.
Accompanying drawing 5 is domestic biomass gasification stove of the present invention the handle grate screw thread that moves up and down, structural representations of screw mechanism.
Accompanying drawing 6 is domestic biomass gasification stove burner structure schematic diagrames of the present invention.
Accompanying drawing 7 is domestic biomass gasification stove R shape deep bead structural representations of the present invention.
Accompanying drawing 8 is boiler duct type heat exchange structure front views of domestic biomass gasification stove of the present invention.
Accompanying drawing 9 is boiler duct type heat exchange structure vertical views of domestic biomass gasification stove of the present invention.
Accompanying drawing 10 is boiler heat exchange chip heat exchange structure front views of domestic biomass gasification stove of the present invention.
Accompanying drawing 11 is boiler heat exchange chip heat exchange structure vertical views of domestic biomass gasification stove of the present invention.
Accompanying drawing 12 is domestic biomass gasification stove inlet plenum air inlet amount disk shape control valve structural representations of the present invention.
Accompanying drawing 13 is the circular-arc control valve structural representations of domestic biomass gasification stove inlet plenum air inlet amount of the present invention.
Accompanying drawing 14 is domestic biomass gasification stove inlet plenum air inlet amount through hole shape control valve structural representations of the present invention.
Accompanying drawing 15 is forced air supply formula domestic biomass gasification stove structural representations of the present invention.
Below in conjunction with the drawings and specific embodiments the inventive method and gasification furnace are described further.
Accompanying drawing 1 is a domestic biomass gasification stove structural representation of the present invention, among the figure: the 1st, the inlet plenum air inlet, the 2nd, promote the straight-bar tooth bar that grate moves up and down, the 3rd, gear, the 4th, grate, the 5th, hollow heat insulated layer, the 6th, refractory insulating layer, the 7th, burner air air inlet gas distributing chamber, the 8th, burner, the 9th, feed inlet (also being the burning observation panel), the 10th, kitchen range support, and the 11st, deep bead, the 12nd, burner air air inlet through hole, the 13rd, chimney, the 14th, boiler, the 15th, heat exchanger tube, the 16th, water valve, the 17th, vaporizer, the 35th, inlet plenum.As seen from the figure, living beings are piled up good back at vaporizer (17) and are lighted from top, when ignition temperature reaches 600 ℃ of left and right sides, the air inlet amount of control inlet plenum (35), making it pass through the air capacity that grate (4) is transferred to vaporizer (17) makes living beings form imperfect combustion, produce fuel gas, under the lighter acting in conjunction of gasification furnace inner gas pressure and proportion, be transferred to burner (8), mix with burner air air inlet through hole (12) leaked-in air and burn.Deep bead (11) can be so that the draft of chimney (13) exert an influence to the burning of fuel gas.The heat that passes through from chimney can make the water the boiler be heated, and has utilized waste heat.After biomass fuel is so burnt a part, can make grate (4) move up by rocking gear (3) drive straight-bar (2), guarantee that biomass fuel is in the top of combustion chamber vaporizer (17) on the one hand, guarantee that it can be gasified preferably, can guarantee that on the other hand the temperature on vaporizer (17) top remains at more than 600 ℃.Regulate the air inflow of primary air air inlet (1), can regulate the combustion gasification state of living beings.Can observe the fired state of burner fuel gas by feed inlet (9), also can add biomass fuel.
Accompanying drawing 4 is domestic biomass gasification stove of the present invention the handle grate gear that moves up and down, structural representations of rackwork, and the left side is a front view, and the right is a side view.Among the figure, the 2nd, promote the straight-bar tooth bar that grate moves up and down, the 3rd, gear, the 4th, grate, the 19th, gear rocking bar.As seen from the figure, grate is fixedly connected on the straight-bar tooth bar, and rocking gear rocking bar (19) driven gear (3) rotation drives straight-bar tooth bar (2) again and moves up and down, and moves up and down thereby drive grate (4).
Accompanying drawing 5 is domestic biomass gasification stove of the present invention the handle grate screw thread that moves up and down, structural representations of screw mechanism.Among the figure, the 4th, grate, the 20th, horizontal helical gear, the helical gear endoporus has screw thread, and the 21st, vertical helical gear, the 22nd, screw thread straight-bar.As seen from the figure, grate is fixedly connected on the threaded straight-bar, and rotating vertical drives horizontal helical gear (20) and rotates to helical gear (21), and laterally the rotation of helical gear (20) makes screw thread straight-bar (22) move up and down, and moves up and down thereby drive grate (4).
Accompanying drawing 7 is domestic biomass gasification stove R shape deep bead structural representations of the present invention.As seen from the figure, R shape deep bead circular arc simultaneously is placed on the chimney draft mouth, makes the draft of chimney not exert an influence to the burning of fuel gas.Opening simultaneously is placed on the charging aperture place, neither influences charging, does not also influence the observation combustion position.
Accompanying drawing 8 is domestic biomass gasification stove duct type heat exchange structure front views of the present invention, and accompanying drawing 9 is domestic biomass gasification stove duct type heat exchange structure vertical views of the present invention.Among the figure, the 13rd, chimney, the 14th, boiler, the 15th, heat exchanger tube, the 16th, water valve, as seen from the figure, the heat of burning imports into from chimney (13), and heat exchanger tube (15) is installed in chimney (13) inside and crisscross, and the water in the boiler (14) can flow freely in heat exchanger tube, and the heat that absorbs chimney is heated.
Accompanying drawing 10 is domestic biomass gasification stove heat exchange chip heat exchange structure front views of the present invention, and accompanying drawing 11 is domestic biomass gasification stove heat exchange chip heat exchange structure vertical views of the present invention.Among the figure, the 13rd, chimney, the 14th, boiler, the 16th, water valve, the 23rd, heat exchange section of jurisdiction.As seen from the figure, the heat of chimney (13) heats the water in the boiler (14) by heat exchanger fin (23).
Accompanying drawing 13 is the circular-arc air inflow control valve of domestic biomass gasification stove inlet plenum of the present invention structural representations.Among the figure, the 26th, air inlet, the 27th, rotary air valve (dotted portion among the figure).As seen from the figure, damper (27) is with respect to the anglec of rotation between the air inlet (26), position that can the relative air inlet of damper, thus realize adjusting to intake.
Accompanying drawing 15 is forced air supply formula domestic biomass gasification stove structural representations of the present invention.Among the figure, the 30th, inlet plenum air inlet adjustable valve, the 31st, burner air air inflow control valve, the 32nd, burner air admission line, the 33rd, inlet plenum air intake pipe, the 34th, air blast, the 35th, inlet plenum.As seen from the figure, the structure and the natural Gas feeding of forced air supply formula domestic biomass gasification stove are basic identical, and difference is the air inlet system of vaporizer and burner.Air blast (34) is connected with burner air air inflow control valve (31) with inlet plenum air inlet adjustable valve (30) respectively by pipeline, is connected with gas distributing chamber (7) with inlet plenum (35) respectively with burner air admission line (32) by inlet plenum air intake pipe (33) again.The air that air blast is discharged enters vaporizer (17) and burner (12) respectively by above-mentioned pipeline and control valve, regulate inlet plenum air inlet adjustable valve (30) and burner air air inflow control valve (31) and can regulate the air capacity that enters inlet plenum (35) and burner (12) respectively, reach living beings effectively gasification and the clean-burning purpose of fuel gas.
Claims (11)
1. domestic biomass gasification stove manufacture method, it is characterized in that: the gasification furnace bottom is that biomass combustion vaporizer (abbreviating vaporizer as), top are gas fuel burning device (abbreviating burner as), both directly communicate, respectively the air inlet amount of vaporizer and burner is controlled, grate can move up and down.
2. according to the described manufacture method of claim 1, it is characterized in that: can adopt chimney, inlet channel and air inflow control valve etc. respectively the air inlet amount of vaporizer and burner to be controlled (abbreviating the nature air feed as), also can adopt air blast and air inflow control valve etc. respectively vaporizer and burner air air inflow to be controlled (abbreviating forced air supply as).
3. according to the described manufacture method of claim 1, it is characterized in that: burner is the back taper circulus, is provided with air at the less end of cone diameter and enters through hole, and an end of through hole leads to the gas fuel burning chamber, the other end leads to gas distributing chamber, and the top of burner is provided with deep bead.
4. according to the described manufacture method of claim 1, it is characterized in that: upper of furnace body is provided with chimney, and chimney outlet is provided with boiler, and chimney passes from boiler inside, the chimney of boiler inside is provided with heat exchange pipeline or heat exchanger fin, and the boiler bottom is equipped with flowing water Valve.
5. domestic biomass gasification stove, it is characterized in that: the bottom of gasification furnace is provided with inlet plenum (being ash discharging chamber), air inlet (being ash hole), air inlet is provided with the air inflow control valve, the inlet plenum top is a grate, grate bottom centre is fixedly connected with and can moves up and down straight-bar, one side of straight-bar is equipped with gear, walking bar rod is housed on the gear, and the grate top is a vaporizer, and the vaporizer top is the back taper burner, the burner top is provided with deep bead, be provided with the burner air admission line between outer furnace wall and the internal furnace, combustion air admission line one end is uncovered, and the other end is connected with gas distributing chamber, gas distributing chamber in the burner outside and in the form of a ring, the less end of back taper burner diameter is provided with circumferential air and enters through hole, and an end of through hole leads to gas distributing chamber, and the other end leads to the gas fuel burning chamber.
6. according to the described gasification furnace of claim 5, it is characterized in that: upper of furnace body connects annulus cylinder shape kitchen range and supports, the side that the kitchen range cylinder supports is provided with biomass combustion and adds mouthful (peep hole also promptly burns), the opposing party is provided with chimney, chimney passes from the boiler that is connected the body of heater outside, the chimney of boiler inside is provided with heat exchange pipeline or heat exchanger fin, and the boiler bottom is equipped with flowing water Valve.
7. according to the described gasification furnace of claim 5, it is characterized in that: be provided with hollow heat insulated layer between outer furnace wall and the internal furnace.
8. according to the described gasification furnace of claim 5, it is characterized in that: what the manipulation grate moved up and down can be gear, rackwork, also can be screw thread, screw mechanism.
9. according to the described gasification furnace of claim 5, it is characterized in that: inlet plenum air inlet adjustable valve can adopt disk shape control valve, circular-arc control valve or through hole shape control valve.
10. domestic biomass gasification stove, it is characterized in that: the air inflow control valve on the vaporizer air inlet can adopt disk shape control valve, circular-arc control valve or through hole shape control valve.
11. domestic biomass gasification stove, it is characterized in that: air blast is connected with burner air air inflow control valve with inlet plenum air inlet adjustable valve respectively by pipeline, be connected with burner gas distributing chamber with inlet plenum respectively by pipeline again, the inlet plenum top is a grate, grate bottom centre is fixedly connected with and can moves up and down straight-bar, one side of straight-bar is equipped with gear, walking bar rod is housed on the gear, the grate top is a vaporizer, the vaporizer top is a burner, the burner top is provided with deep bead, be provided with the burner air admission line between outer furnace wall and the internal furnace, burner air admission line one end is connected with blower conduits, the other end is connected with gas distributing chamber, and gas distributing chamber is in the burner outside and in the form of a ring, the less end of back taper burner diameter is provided with circumferential air and enters through hole, one end of through hole leads to gas distributing chamber, and the other end leads to the gas fuel burning chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100784201A CN101109519A (en) | 2007-04-25 | 2007-04-25 | Domestic biomass gasification stove and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100784201A CN101109519A (en) | 2007-04-25 | 2007-04-25 | Domestic biomass gasification stove and manufacturing method thereof |
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| CN101109519A true CN101109519A (en) | 2008-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100784201A Pending CN101109519A (en) | 2007-04-25 | 2007-04-25 | Domestic biomass gasification stove and manufacturing method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853453A (en) * | 2012-08-20 | 2013-01-02 | 沈桀 | Windproof type biomass picnic furnace |
| CN103836711A (en) * | 2014-03-13 | 2014-06-04 | 河南理工大学 | Biomass semi-gasification heating system |
| CN105112101A (en) * | 2015-09-11 | 2015-12-02 | 无锡市翱宇特新科技发展有限公司 | Furnace bridge structure of biomass gasification furnace |
| CN106338079A (en) * | 2016-08-30 | 2017-01-18 | 成都沸鼎环保设备有限公司 | Novel environment-friendly type biomass fuel combustion furnace |
| CN109022009A (en) * | 2018-07-25 | 2018-12-18 | 河北工程大学 | Low-order coal upgrading pyrolysis plant |
| CN110131705A (en) * | 2018-07-25 | 2019-08-16 | 张大林 | A kind of device and method improving solid burning article efficiency of combustion |
| CN114183774A (en) * | 2021-12-14 | 2022-03-15 | 清远市鼎兴泰机械设备有限公司 | Combustion stove for granular fuel |
-
2007
- 2007-04-25 CN CNA2007100784201A patent/CN101109519A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853453A (en) * | 2012-08-20 | 2013-01-02 | 沈桀 | Windproof type biomass picnic furnace |
| CN103836711A (en) * | 2014-03-13 | 2014-06-04 | 河南理工大学 | Biomass semi-gasification heating system |
| CN105112101A (en) * | 2015-09-11 | 2015-12-02 | 无锡市翱宇特新科技发展有限公司 | Furnace bridge structure of biomass gasification furnace |
| CN106338079A (en) * | 2016-08-30 | 2017-01-18 | 成都沸鼎环保设备有限公司 | Novel environment-friendly type biomass fuel combustion furnace |
| CN109022009A (en) * | 2018-07-25 | 2018-12-18 | 河北工程大学 | Low-order coal upgrading pyrolysis plant |
| CN110131705A (en) * | 2018-07-25 | 2019-08-16 | 张大林 | A kind of device and method improving solid burning article efficiency of combustion |
| CN109022009B (en) * | 2018-07-25 | 2020-11-27 | 河北工程大学 | Low-rank coal quality-improving pyrolysis equipment |
| CN114183774A (en) * | 2021-12-14 | 2022-03-15 | 清远市鼎兴泰机械设备有限公司 | Combustion stove for granular fuel |
| CN114183774B (en) * | 2021-12-14 | 2024-03-22 | 清远市鼎兴泰机械设备有限公司 | Combustion stove for granular fuel |
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Open date: 20080123 |