CN101660750A - Biomass briquette gasification direct combustion combustor - Google Patents
Biomass briquette gasification direct combustion combustor Download PDFInfo
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- CN101660750A CN101660750A CN200910018247A CN200910018247A CN101660750A CN 101660750 A CN101660750 A CN 101660750A CN 200910018247 A CN200910018247 A CN 200910018247A CN 200910018247 A CN200910018247 A CN 200910018247A CN 101660750 A CN101660750 A CN 101660750A
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- fire grate
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- airduct
- direct combustion
- biomass briquette
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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
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Abstract
The invention relates to a biomass briquette gasification direct combustion combustor, which comprises a furnace body and a bracket, wherein the furnace body is supported on the bracket; the bottom ofa furnace body is fixedly connected with a bottom support and the middle part of the bottom support is provided with a through hole; a circular fire grate is arranged on the upper part of the bottomsupport; the fire grate is plate-shaped and evenly provided with fire grate air holes and the lower part of the fire grate is connected with a fire grate rotating shaft; and a motor drives the fire grate rotating shaft, the upper part of the furnace body is connected with a cylindrical spray nozzle and the furnace body on the other side opposite to the spray nozzle is provided with a material loading opening. The special combustion mode ensures that biomass fuel is fully gasified and combusted, realizes high-efficiency energy-saving conversion of the biomass and has good energy-saving effect.The biomass briquette gasification direct combustion combustor has compact structure, small volume, great reduction of production cost and obvious environment-friendly effect.
Description
The field, field
The present invention relates to a kind of is the gasification direct-combustion burner of fuel with the biomass moulding material.
Background technology
Boiler is a fuel with fuel oil or combustion gas all with the burner product both at home and abroad at present, does not still have solid fuel burner.In recent years, along with constantly rising violently of oil and natural gas price, the operating cost of burner is more and more higher, has seriously influenced economic benefit of enterprises.Therefore development of new cleaning alternative energy source has become current heat subject.The development and use of solar energy, wind energy and biomass energy have obtained developing rapidly.Wherein biomass energy has been subjected to the height concern of every profession and trade because characteristics such as its clean environment firendly, renewable, wide material sources.Present domestic straw briquetting, straw particle, straw gasifying technology are comparatively ripe, but biomass combustion equipment is at present mainly based on small-sized biomass combustion furnace, biomass gasifying furnace, half-gasification oven etc.Biomass combustion stove power is little, only is fit to family's heating, the usefulness of cooking, and is difficult to satisfy industrial furnace and uses; Biomass gasifying furnace must use with the living beings coordinative composition of equipments that gasifies, owing to be subjected to the influence of factors such as equipment for gasification gas production and aerogenesis instability, distribution, air distribution are very complicated, and one-time investment is bigger, and general enterprise is difficult to bear.
Summary of the invention
The purpose of this invention is to provide a kind of biomass briquette gasification direct combustion combustor, it uses directly high-temperature gasification burning of biomass fuel (particle or briquetting), and sufficient combustion, smoke discharge amount are extremely low, energy-conserving and environment-protective.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of biomass briquette gasification direct combustion combustor is characterized in that: it comprises body of heater and support, and body of heater is bearing on the support, and design has adiabator layer on side wall of furnace and the roof, and bottom of furnace body is fixedly connected with collet, and the design of collet middle part has through hole; Circular fire grate places collet top, and fire grate is tabular, evenly has the stove vent on it, and the bottom of fire grate is connected with the fire grate rotating shaft; Be connected with motor on the support, motor is connected with worm screw, and worm screw drives worm gear, and vertical worm-wheel shaft bottom is bearing on the support by bearing, fixedlys connected with the fire grate rotating shaft in its upper end; Be positioned on the collet of fire grate below and be connected with slag-drip opening; Upper of furnace body is connected with the nozzle of tubular, has charge door with the body of heater of the relative opposite side of nozzle.
Above-mentioned a kind of biomass briquette gasification direct combustion combustor, it is characterized in that: stoker surface is a spherical crown surface, it is sealed into a cavity by shrouding down, design has blast pipe between collet and fire grate rotating shaft, the blast pipe upper end communicates with the fire grate inner chamber, and the lower end is connected by bearing with revolving part after passing collet; Blower fan also is installed on the support, blower fan communicate with blast pipe by the fire grate airduct and with link to each other with the cavity of fire grate by it.
Above-mentioned a kind of biomass briquette gasification direct combustion combustor is characterized in that: the upper surface design at fire grate has vertical tabular stirring scratch board.
Above-mentioned a kind of biomass briquette gasification direct combustion combustor is characterized in that: be fixedly connected with feed pipe on the charge door of body of heater; Feed bin is connected with screw feeder by the feed opening of its underpart, and the screw feeder other end links to each other with feed pipe by hopper.
Above-mentioned a kind of biomass briquette gasification direct combustion combustor is characterized in that: also be connected with feed pipe airduct 5 on the blower fan, the feed pipe airduct vertically is connected with feed pipe from the top.
Above-mentioned a kind of biomass briquette gasification direct combustion combustor, it is characterized in that: nozzle is the double seal structure, forms nozzle chamber in it, has uniform nozzle wind hole on the madial wall of nozzle, be connected with the nozzle airduct on the outer wall of nozzle, the other end of nozzle airduct is connected with blower fan.
Above-mentioned a kind of biomass briquette gasification direct combustion combustor is characterized in that: nozzle airduct air distribution tangentially adds nozzle chamber by Outer Taper.
Above-mentioned a kind of biomass briquette gasification direct combustion combustor is characterized in that: the blower fan exit is connected with blast connection, and blast connection links to each other with fire grate airduct, nozzle airduct and feed pipe airduct.
In above scheme, the technology point of giving prominence to the key points mainly contains following three aspects:
1, spherical crown shape rotary fire grate structure.The even branch of fuel is on the spherical of fire grate, and fire grate is connected with transmission mechanism, at the uniform velocity rotation.Its rotating speed is adjusted as required by speed regulator.On the grate surface and fire grate top is provided with scraper plate, does relative motion during the fire grate rotation.Above-mentioned unique texture makes biomass fuel be evenly distributed on the fire grate and carry out sufficient gasification, and combustion under the state that does not stop to stir, thoroughly solve fuel and in stove, heaped the insufficient and coking problem of burning, do not stop stirring under the state owing to fuel is in simultaneously, avoided the generation of the blocked phenomenon in furnace grate ventilation hole, make fuel be in abundant fired state all the time, improved the thermal conversion efficiency of biomass energy to greatest extent.
2, burner top automatic feeding system.
Fuel is added to the rotary fire grate centre by screw feeder from the burner top, and is uniformly distributed on the fire grate along the fire grate inclined-plane.Can adjust the rotating speed of feed appliance according to the combustion case in heating load demand and the combustion chamber, with the addition of control fuel.The rotating speed of feeding screw is regulated and control by variable-frequency governor.Screw feeder directly is connected with feed bin, and compact conformation has reduced the overall volume of burner effectively.Feed bin disposable reinforced after, can realize the effect of auto feed, continuous burning heat supply.
3, conical nozzle.
Conical nozzle is made of inside and outside two-layer cone tube.The secondary air distribution is tangentially added by Outer Taper, sends in the nozzle by the nozzle wind hole on the inner cone, and the biogas that the combustion chamber gasification is produced obtains completing combustion in nozzle.By nozzle flame is directly sent in the combustion chamber of stove and carried out heat supply.The external dimensions of nozzle can be made according to user's demand, and the user only needs the fire grate of original heating equipment is sealed, and original heating equipment can be become the biomass energy heating equipment and need not to carry out other transformation.
Use effect of the present invention have following some:
1, unique combustion system of the present invention makes biomass fuel obtain sufficient gasification, and combustion, realized the efficient heat energy conversion of living beings, press the difference of burner specification, heating load hourly can satisfy the heat demand of the medium-sized following boiler of different industries, drying system and other equipment fully from millions of joules to several ten million joules.
2, energy-saving effect is fairly obvious.Through contrast test, equal heating load is calculated by the market price of existing various fuel, the fuel consumption cost of this burner only quite 1/3rd of diesel fuel burner; Suitable substantially with coal-burning boiler consumption.
3, the compact conformation volume is little, and production cost greatly reduces.The market price of this burner is far below the price of diesel fuel burner.Greatly reduce the customer investment cost, help applying of this technology.
4, environment protecting is obvious.Because this burner burns biomass fuel cmpletely, there are not harmful substance generations such as tar, soot emissions meet national standard fully.The a small amount of lime-ash that is produced after the biomass fuel completing combustion does not only pollute the environment, and is a kind of good potash fertilizer.
5 the present invention adopt portable structure, by nozzle flame are directly sent into heat supply in various stoves, the kiln, only need existing fuel oil, combustion gas, coal-fired furnace kiln are transformed a little, can realize the replacement of clean energy resource.
Below in conjunction with drawings and Examples the present invention is further described.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention.
Accompanying drawing 2 is the A-A cutaway view of Fig. 1.
Accompanying drawing 3 is a structure of nozzle schematic diagram among Fig. 1.
Accompanying drawing 4 is the structural representation of fire grate among Fig. 1.
Accompanying drawing 5 is the vertical view of Fig. 4.
The specific embodiment
Shown in Fig. 1-5, a kind of biomass briquette gasification direct combustion combustor, it comprises body of heater 2 and support, body of heater 2 is bearing on the support, design has adiabator layer on the sidewall of body of heater 2 and the roof, also design fire door 14 that cleaning maintenance usefulness is arranged and the observation panel 15 of observing flame combustion situation on the furnace body wall, bottom of furnace body is fixedly connected with collet, and the collet middle part is designed through hole; Circular fire grate 20 places collet top, fire grate 20 surfaces are spherical crown surface, and it is sealed into a cavity by shrouding down, evenly has stove vent 20.2 on it, upper surface design at fire grate has vertical tabular stirring scratch board 20.1, and the bottom of fire grate is connected with fire grate rotating shaft 21; Design has blast pipe 13 between collet and fire grate rotating shaft 21, and blast pipe 13 upper ends communicate with the fire grate inner chamber, and the lower end is passed behind the collet with fire grate rotating shaft 21 and is connected by bearing; Blower fan 7 is installed on the support, blower fan 7 communicate with blast pipe 13 by fire grate airduct 8 and with link to each other by its cavity with fire grate 20.Be connected with motor on the support, motor is connected with worm screw 11, and worm screw 11 drives worm gear 9, and vertical worm-wheel shaft 10 bottoms are bearing on the support by bearing, fixedlys connected with fire grate rotating shaft 21 in its upper end; Be positioned on the collet of fire grate 20 belows and be connected with slag-drip opening; Body of heater 2 tops are connected with the nozzle 3 of awl tubular, nozzle 3 is the double seal structure, form nozzle chamber in it, have uniform nozzle wind hole 3.1 on the madial wall of nozzle 3, be connected with nozzle airduct 4 on the outer wall of nozzle 3, the other end of nozzle airduct 4 is connected with blower fan, and nozzle airduct 4 air distributions tangentially add nozzle chamber by Outer Taper; Have charge door with the body of heater of nozzle 3 relative opposite sides.On the charge door of body of heater 20, be fixedly connected with feed pipe 16; Feed bin 1 is connected with screw feeder by the feed opening of its underpart, and the screw feeder other end links to each other with feed pipe 16 by hopper 17.Also be connected with feed pipe airduct 5 on the blower fan 7, feed pipe airduct 5 vertically is connected with feed pipe 16 from the top.For convenient blower fan 7 exits of installing are connected with blast connection 6, blast connection 6 links to each other with fire grate airduct 8, nozzle airduct 4 and feed pipe airduct 5.
With two tons of oil burning boilers is example: replace original diesel fuel burner with this burner, through actual motion, heating effect meets the requirements fully, and its economic indicator is as follows: biomass fuel consumption: 500Kg/h; Heating load: 8,400,000 J/h.Identical heating load, former diesel fuel burner diesel-fuel consumption is: 204Kg/h; The biomass molding fuel present price is 550 yuan/ton; The market price of diesel oil is 6000 yuan/ton.Promptly under the situation of identical heating load, the fuel consumption cost of biomass burner is 275 yuan/h, and the fuel consumption cost of diesel fuel burner is 1224 yuan/h.Use the fuel consumption cost of Biomatter gasifying direct combustion rotary burner only to be about 22% of diesel fuel burner.
Claims (9)
1, a kind of biomass briquette gasification direct combustion combustor, it is characterized in that: it comprises body of heater (2) and support, and body of heater (2) is bearing on the support, and design has adiabator layer on the sidewall of body of heater (2) and the roof, bottom of furnace body is fixedly connected with collet, and the design of collet middle part has through hole; Circular fire grate (20) places collet top, and fire grate (20) is tabular, evenly has stove vent (20.2) on it, and the bottom of fire grate is connected with fire grate rotating shaft (21); Be connected with motor on the support, motor is connected with worm screw (11), and worm screw (11) drives worm gear (9), and vertical worm-wheel shaft (10) bottom is bearing on the support by bearing, fixedlys connected with fire grate rotating shaft (21) in its upper end; Be positioned on the collet of fire grate (20) below and be connected with slag-drip opening; Body of heater (2) top is connected with the nozzle (3) of tubular, has charge door with the body of heater of the relative opposite side of nozzle (3).
2, a kind of biomass briquette gasification direct combustion combustor according to claim 1, it is characterized in that: fire grate (20) surface is spherical crown surface, it is sealed into a cavity by shrouding down, design has blast pipe (13) between collet and fire grate rotating shaft (21), blast pipe (13) upper end communicates with the fire grate inner chamber, and the lower end is connected by bearing with revolving part after passing collet; Blower fan (7) also is installed on the support, blower fan (7) communicate with blast pipe (13) by fire grate airduct (8) and with link to each other by its cavity with fire grate (20).
3, a kind of biomass briquette gasification direct combustion combustor according to claim 1 and 2 is characterized in that: the upper surface design at fire grate has vertical tabular stirring scratch board (20.1).
4, a kind of biomass briquette gasification direct combustion combustor according to claim 1 and 2 is characterized in that: be fixedly connected with feed pipe (16) on the charge door of body of heater (20); Feed bin (1) is connected with screw feeder by the feed opening of its underpart, and the screw feeder other end links to each other with feed pipe (16) by hopper (17).
5, a kind of biomass briquette gasification direct combustion combustor according to claim 1 and 2 is characterized in that: also be connected with feed pipe airduct (5) on the blower fan (7), feed pipe airduct (5) vertically is connected with feed pipe (16) from the top.
6, a kind of biomass briquette gasification direct combustion combustor according to claim 4 is characterized in that: also be connected with feed pipe airduct (5) on the blower fan (7), feed pipe airduct (5) vertically is connected with feed pipe (16) from the top.
7, a kind of biomass briquette gasification direct combustion combustor according to claim 1 and 2, it is characterized in that: nozzle (3) is the double seal structure, form nozzle chamber in it, have uniform nozzle wind hole (3.1) on the madial wall of nozzle (3), be connected with nozzle airduct (4) on the outer wall of nozzle (3), the other end of nozzle airduct (4) is connected with blower fan.
8, a kind of biomass briquette gasification direct combustion combustor according to claim 4, it is characterized in that: nozzle (3) is the double seal structure, form nozzle chamber in it, have uniform nozzle wind hole (3.1) on the madial wall of nozzle (3), be connected with nozzle airduct (4) on the outer wall of nozzle (3), the other end of nozzle airduct (4) is connected with blower fan.
9, a kind of biomass briquette gasification direct combustion combustor according to claim 8 is characterized in that: nozzle airduct (4) air distribution tangentially adds nozzle chamber by Outer Taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100182475A CN101660750B (en) | 2009-09-01 | 2009-09-01 | Biomass briquette gasification direct combustion combustor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100182475A CN101660750B (en) | 2009-09-01 | 2009-09-01 | Biomass briquette gasification direct combustion combustor |
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| CN101660750A true CN101660750A (en) | 2010-03-03 |
| CN101660750B CN101660750B (en) | 2011-03-16 |
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| CN2009100182475A Expired - Fee Related CN101660750B (en) | 2009-09-01 | 2009-09-01 | Biomass briquette gasification direct combustion combustor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343820A (en) * | 2013-07-30 | 2013-10-09 | 南京凯盛国际工程有限公司 | Sealing device used between kiln combustor and wicket interface |
| CN104896468A (en) * | 2015-05-29 | 2015-09-09 | 潘汉祥 | Biomass processing system and processing method of same |
| CN106635173A (en) * | 2016-11-21 | 2017-05-10 | 深圳市炎腾热能技术有限公司 | Biomass gasification furnace with efficient combustion |
| 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 |
| CN110397939A (en) * | 2018-04-20 | 2019-11-01 | 中国科学院工程热物理研究所 | The melting process for the treatment of and processing unit of ultralow volatile matter carbon-based fuel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB282135A (en) * | 1926-09-09 | 1927-12-09 | Clifford Nelson | Improvements in rotary hearths for furnaces |
| DE2549936C2 (en) * | 1975-11-07 | 1985-03-21 | Fichtel & Sachs Ag, 8720 Schweinfurt | Impact damper with elastomer spring |
| IT1213123B (en) * | 1984-01-12 | 1989-12-14 | Giuseppe Carrara | PROCEDURE AND OVEN TO OBTAIN INCINERATION OF ARTIFICIAL PLASTIC MATERIALS WITHOUT ROPES FORMATION. |
| US5279234A (en) * | 1992-10-05 | 1994-01-18 | Chiptec Wood Energy Systems | Controlled clean-emission biomass gasification heating system/method |
| CN101196296A (en) * | 2007-12-21 | 2008-06-11 | 河南省科学院能源研究所有限公司 | Method and apparatus for biomass ebullition, gasification and combustion |
| CN201475986U (en) * | 2009-09-02 | 2010-05-19 | 刘善华 | Biomass shaped fuel gasification direct-fired burner |
-
2009
- 2009-09-01 CN CN2009100182475A patent/CN101660750B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343820A (en) * | 2013-07-30 | 2013-10-09 | 南京凯盛国际工程有限公司 | Sealing device used between kiln combustor and wicket interface |
| CN103343820B (en) * | 2013-07-30 | 2015-04-29 | 南京凯盛国际工程有限公司 | Sealing device used between kiln combustor and wicket interface |
| CN104896468A (en) * | 2015-05-29 | 2015-09-09 | 潘汉祥 | Biomass processing system and processing method of same |
| CN106635173A (en) * | 2016-11-21 | 2017-05-10 | 深圳市炎腾热能技术有限公司 | Biomass gasification furnace with efficient combustion |
| 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 |
| CN110397939A (en) * | 2018-04-20 | 2019-11-01 | 中国科学院工程热物理研究所 | The melting process for the treatment of and processing unit of ultralow volatile matter carbon-based fuel |
| CN110397939B (en) * | 2018-04-20 | 2021-12-03 | 中国科学院工程热物理研究所 | Melting treatment method and treatment device for ultralow-volatile carbon-based fuel |
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| CN101660750B (en) | 2011-03-16 |
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Application publication date: 20100303 Assignee: MENGCHENG SHENGYAN STRAW CO., LTD. Assignor: Liu Shanhua Contract record no.: 2014340000095 Denomination of invention: Biomass briquette gasification direct combustion combustor Granted publication date: 20110316 License type: Exclusive License Record date: 20140424 |
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