CN201059621Y - Integral home-use biomass gas producing furnace - Google Patents

Integral home-use biomass gas producing furnace Download PDF

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Publication number
CN201059621Y
CN201059621Y CNU2006201119201U CN200620111920U CN201059621Y CN 201059621 Y CN201059621 Y CN 201059621Y CN U2006201119201 U CNU2006201119201 U CN U2006201119201U CN 200620111920 U CN200620111920 U CN 200620111920U CN 201059621 Y CN201059621 Y CN 201059621Y
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gasification furnace
mixing chamber
air
burner
gas
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CNU2006201119201U
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Chinese (zh)
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马良奇
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Individual
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Abstract

The utility model relates to an integrated household biomass gas making furnace, wherein, a mixed air chamber and a burner are arranged on the top of the gas making furnace; combustible gas produced by the gas making furnace enters into the mixed air chamber at first, and then is sent to the burner after fully mixing with the air; the mixed air chamber is provided with a combustible gas inlet and an air inlet; a gas flow control valve is respectively arranged on a pipe where a blower is connected with a blast inlet of the gas making furnace and on a pipe where the blower is connected with the air inlet of the mixed air chamber, and is respectively used to adjust the air amount sending into the gas making furnace and the mixed air chamber. By adoption of the utility model, the combustible gas produced by the gas making furnace can be directly sent into the mixed air chamber in case that the temperature is not lowered, and then sent into the burner after mixing with the air, thereby thermal losses are reduced and the structure of the gas making furnace is simplified. What is more important, combustible gas containing tar can be completely combusted after mixing with the air, thereby the significant problem of promotion and use of the biomass gas making furnace is completely solved.

Description

The integrated domestic biomass gasification furnace
Technical field
The utility model relates to the integrated domestic biomass gasification furnace.
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.
Summary of the invention
The tar content that existing domestic biomass gasification stove exists is higher in order to solve, separation difficulty, fuel gases calorific value is lower and problem such as burner coke obstruction, the utility model proposes a kind of integrated domestic biomass gasification furnace, the top of this biomass gasifying furnace is provided with mixing chamber and burner, the fuel gas that gasification furnace produces is introduced into mixing chamber, allow fuel gas with send into burner combustion again after air fully mixes.The fuel gas that this biomass gasifying furnace can produce gasification furnace directly be sent into mixing chamber under the situation that does not reduce temperature, and send into burner again after air mixes, and has reduced thermal losses, has simplified gasification furnace structure.Can completing combustion after the more important thing is the fuel gas that contains tar and air mixing, thoroughly solved the great difficult problem that the puzzlement biomass gasifying furnace is promoted the use of.
The bottom of the utility model gasification furnace loam cake is provided with mixing chamber, the central upper portion place of gasification furnace loam cake is provided with the burner interface, burner can directly be placed on the burner interface, mixing chamber is connected with air intake pipe, mixing chamber air inflow control valve is installed on the air intake pipe of mixing chamber, the mixing chamber air inlet pipe is connected with air blast, on air blast and the pipeline that gasification furnace is connected gasification furnace air inflow control valve is installed.
The utility model inboard wall of furnace body is provided with annular seal-water tank, and the gasification furnace loam cake is connected by annular seal-water tank with body of heater.The furnace body wall of this gasification furnace extends to burner top, and smoke discharging pipe is installed.Mixing chamber is made up of gasification furnace upper cover plate and base plate, and is provided with the fuel gas collection hole on base plate; Perhaps form by the bottom space of gasification furnace upper cover plate.Perhaps, mixing chamber and burner are set to one, and air inlet is connected with the cylindrical gas distributor chamber, and the inboard of cylindrical gas distributor chamber is provided with gas whirlwind hole, the top of air inlet is provided with the gas buffer cover, the stepped distribution in gas whirlwind hole of the inboard of cylindrical gas distributor chamber.
The fuel gas that the utility model gasification furnace can produce gasification furnace directly be sent into mixing chamber under the situation that does not reduce temperature, and send into burner again after air mixes, and has reduced thermal losses, has simplified gasification furnace structure.On air blast and pipeline that the gasification furnace air inlet is connected with air blast and pipeline that mixing chamber air inlet port is connected on the gas flow regulating valve that is provided with respectively, can regulate the air capacity of sending into gasification furnace and mixing chamber respectively, make the gasification result of gasification furnace and so the burning of gas effect reach the best.
Description of drawings
Accompanying drawing 1 is the utility model integrated domestic biomass gasification furnace example structure schematic diagram
Accompanying drawing 2 is schematic diagrames that the utility model integrated domestic biomass gasification furnace embodiment places cooking pot
Accompanying drawing 3 is pot front elevational schematic of the no end
Accompanying drawing 4 is pot schematic top plan view of the no end
Accompanying drawing 5 is another example structure schematic diagrames of the utility model integrated domestic biomass gasification furnace
Accompanying drawing 6 is the utility model integrated domestic biomass gasification furnace vortex burner structure front elevational schematic
Accompanying drawing 7 is the utility model integrated domestic biomass gasification furnace vortex burner structure schematic top plan view
Accompanying drawing 8 is expansion schematic diagrames that the utility model integrated domestic biomass gasification furnace vortex burner gas whirlwind air admission hole distributes
Below in conjunction with the drawings and specific embodiments the utility model integrated domestic biomass gasification furnace is described further.
Accompanying drawing 1 is the utility model integrated domestic biomass gasification furnace example structure schematic diagram.Among the figure: the 1st, the gasification furnace body of heater, the 2nd, the gasification furnace loam cake, the 3rd, water sealed tank, the 4th, smoke discharging pipe, the 5th, burner, the 6th, mixing chamber, the 7th, mixing chamber air inlet pipe, the 8th, mixing chamber air inflow control valve, the 9th, gasification furnace air inflow control valve, 10 are arranged on the burner interface on mixing chamber top, and the 11st, the fuel gas collection hole of loam cake bottom.As seen from the figure, after gasifying, living beings form fuel gas in gasification furnace, combustion gas collection hole 11 by gasification furnace loam cake 2 bottoms under the lighter acting in conjunction of gasify furnace inner gas pressure and proportion enters mixing chamber 6, after air that mixing chamber air intake duct 7 is sent into mixes, deliver to burner 5 burnings again.Obviously, can regulate the combustible gas scale of construction of sending into mixing chamber, make the quantity combusted of fuel gas generation and burner keep balance by regulating gasification furnace air inlet adjustable valve 9.Can regulate fuel gas and Air mixing ratio by regulating mixing chamber air inlet adjustable valve 8, make the burning of fuel gas reach optimum state.
Add the operation of living beings for convenience, adopt the mode of water sealed tank 3 to be connected between gasification furnace loam cake 2 and the body of heater 1.Promptly at the inner surface of body of heater that gasifies, the water sealed tank 3 that an annular is arranged, in the water sealed tank 3 water is housed, the loam cake 2 of gasification furnace is put into its lower limb part of back and just is placed on annular seal-water tank 3, make the gasification furnace vaporizer be in sealing state fully, the fuel gas that gasification produces can only flow into mixing chamber 6 by the fuel gas collection hole 11 of gasification furnace loam cake 2 bottoms.Mixing chamber 6 is arranged on the bottom of gasification furnace loam cake 2, and the top of mixing chamber 6 is provided with the burner interface 10 of settling burner 5.
Accompanying drawing 2 is schematic diagrames that the utility model integrated domestic biomass gasification furnace embodiment places cooking pot.Among the figure, the 1st, gasification furnace body of heater, the 4th, smoke discharging pipe, the 5th, burner, the 6th, mixing chamber, the 7th, mixing chamber air inlet pipe, the 18th, cooking pot.As seen from the figure, the gasification body of heater outer wall extend to the top of burner 5 and form one cylindric, the diameter of cylinder is slightly littler than the external diameter of cooking pot 18, and after cooking pot 18 was placed on cylinder top, the bottom of cooking pot 18 just was placed in the top (as shown in Figure 2) of burner 5.Also be provided with smoke discharging pipe 4 on the cylindric furnace wall of placement cooking pot, the flue dust after the burning is rejected to outdoor from smoke discharging pipe 4.
Accompanying drawing 3 is pot front elevational schematic of the no end, and accompanying drawing 4 is pot schematic top plan view of the no end.If the external diameter of cooking pot is littler than drum diameter, place cooking pot again after then can adopting pot of the no end shown in accompanying drawing 3,4 to be placed on the cylinder furnace wall.
Specific embodiment 1
Accompanying drawing 1 is a specific embodiment of the utility model integrated domestic biomass gasification furnace.Among the figure: the 1st, the gasification furnace body of heater, the 2nd, the gasification furnace loam cake, the 3rd, water sealed tank, the 4th, smoke discharging pipe, the 5th, burner, the 6th, mixing chamber, the 7th, mixing chamber air inlet pipe, the 8th, mixing chamber air inflow control valve, the 9th, gasification furnace air inflow control valve, 10 are arranged on the burner interface on mixing chamber top, and the 11st, the fuel gas collection hole of loam cake bottom.The characteristics of this embodiment are that the bottom of gasification furnace loam cake 2 is provided with mixing chamber 6, the central upper portion place of gasification furnace loam cake 2 is provided with burner interface 10, burner 5 can directly be connected on the burner interface, mixing chamber is made up of gasification furnace upper cover plate and base plate, and on base plate, be provided with fuel gas collection hole 11, mixing chamber is connected with air intake pipe 7, gas flow regulating valve 9 is installed on the gasification furnace air intake pipe, on mixing chamber 6 air intake pipes 7, mixing chamber air inflow control valve 8 is installed also.The combustion gas collection hole 11 of the fuel gas of gasification furnace through mixing chamber 6 bottoms enters mixing chamber 6 to be mixed mutually with the air that air intake duct 7 is sent into, and sends into burner 5 burnings by burner interface 10 then.The generation that the air inlet amount of regulating gasification furnace can be regulated fuel gas balances each other its gas quantity with burner combustion, regulates the mixing chamber air inflow and can regulate fuel gas and Air mixing ratio, guarantees that burner is in the fired state of the best.Inboard wall of furnace body is provided with annular seal-water tank 3, and gasification furnace loam cake 3 and body of heater 1 are connected by annular seal-water tank.Furnace body wall extends to burner top, and smoke discharging pipe 4 is being installed first.
Specific embodiment 2
Accompanying drawing 5 is another example structure schematic diagrames of the utility model integrated domestic biomass gasification furnace.Among the figure: the 1st, gasification furnace body of heater, the 2nd, gasification furnace loam cake, the 3rd, water sealed tank, the 4th, smoke exhaust pipe, the 5th, burner, the 6th, mixing chamber, the 7th, mixing chamber air inlet pipe, the 8th, mixing chamber air inflow control valve, the 9th, gasification furnace air inflow control valve, 10 are arranged on the burner interface on mixing chamber top.Different is with accompanying drawing 1, and mixing chamber 6 does not have to adopt the structure of sealing relatively, but adopts the structure of open type, and promptly mixing chamber 6 is made up of the bottom space of gasification furnace loam cake.The fuel gas of gasification furnace is under the lighter acting in conjunction of gasify furnace inner gas pressure and proportion, accumulate in the bottom of gasification furnace loam cake, and the air intake duct 7 of mixing chamber 6 has also been delivered to air the bottom of gasification furnace loam cake, fuel gas and air are sent into burner 5 through burner interface 10 after this mixes.The technical characterictic of other technologies feature of this example and accompanying drawing 1 illustrated embodiment 1 is basic identical.
Specific embodiment 3
Accompanying drawing 6 is the utility model integrated domestic biomass gasification furnace vortex burner structure front elevational schematic, and accompanying drawing 7 is the utility model integrated domestic biomass gasification furnace vortex burner structure schematic top plan view.Among the figure, the 12nd, air inlet, the 13rd, hollow cylindrical gas distributing chamber, the 14th, gas whirlwind air admission hole, the 15th, fuel gas air inlet, the 16th, fuel gas impact-absorbing shell, 17 combustion chambers.In this embodiment, mixing chamber and burner are set to one, be only to demonstrate in the convenient statement accompanying drawing 5 part of burner and mixing chamber, other parts are all close with embodiment 1,2, need the output channel of fuel gas and burner air admission line reequiped a little to get final product.By accompanying drawing 6,7 as can be known, this embodiment air inlet 12 is connected with hollow cylindrical gas distributing chamber 13, the inboard of hollow cylindrical gas distributing chamber 13 is provided with gas whirlwind air admission hole 14, the top of fuel gas air inlet 15 is provided with gas buffer cover 16, and the upper space of gas buffer cover 16 is combustion chamber 17.Fuel gas enters burner from air inlet 15, and gas buffer cover 16 refluxes fuel gas, and is radial 17 bottoms, combustion chamber that flow out to, the center of circle from the gap between gas buffer cover 16 and the air inlet pipe.Air flows into from air inlet 12, is evenly distributed in the hollow cylindrical gas distributing chamber 13, then, flows out from gas whirlwind air admission hole 14.Because the effect of gas whirlwind air admission hole, air is the whirlwind shape, and the fuel gas in the drive combustion chamber is rotational flow together, fully mixes simultaneously, when the mist rotational flow arrives the after-combustion of burner top.Obviously, also the air inlet of fuel gas and air can be exchanged, also be that the combustible gas body is sent into from air inlet 12, and air enters from fuel gas air inlet 15.
Accompanying drawing 8 is expansion schematic diagrames that the utility model integrated domestic biomass gasification furnace vortex burner gas whirlwind air admission hole distributes.Among the figure, the 14th, burner gas whirlwind air admission hole 14.As seen from the figure, in order to improve the whirlwind intensity that forms from gas whirlwind air admission hole 14 effluent airs, guarantee the mixed effect of air and fuel gas, the gas whirlwind air admission hole 14 stepped distributions of cylindrical gas distributor chamber inboard.

Claims (6)

1. integrated domestic biomass gasification furnace, the air blast air supply duct is connected with gasification furnace, it is characterized in that: the bottom of gasification furnace loam cake (2) is provided with mixing chamber (6), the central upper portion place of gasification furnace loam cake (2) is provided with burner interface (10), burner (5) can directly be placed on the burner interface (10), mixing chamber (6) is connected with mixing chamber air inlet pipe (7), on the mixing chamber air inlet pipe (7) of mixing chamber (6), mixing chamber air inflow control valve (8) is installed, mixing chamber air inlet pipe (7) is connected with air blast, on air blast and the pipeline that gasification furnace is connected gasification furnace air inflow control valve (9) is installed.
2. according to the described gasification furnace of claim 1, it is characterized in that: gasification furnace body of heater (1) inwall is provided with annular seal-water tank (3), and gasification furnace loam cake (2) is connected by annular seal-water tank (3) with body of heater (1).
3. according to the described gasification furnace of claim 1, it is characterized in that: furnace body wall extends to burner (5) top, and smoke discharging pipe (4) is installed.
4. according to the described gasification furnace of claim 1, it is characterized in that: mixing chamber (6) is made up of gasification furnace upper cover plate and base plate, and is provided with fuel gas collection hole (11) on base plate.
5. according to the described gasification furnace of claim 1, it is characterized in that: mixing chamber (6) is made up of the bottom space of gasification furnace loam cake.
6. according to the described gasification furnace of claim 1, it is characterized in that: mixing chamber and burner are set to one, air inlet (12) is connected with hollow cylindrical gas distributing chamber (13), the inboard of hollow cylindrical gas distributing chamber (13) is provided with gas whirlwind air admission hole (14), the top of fuel gas air inlet (15) is provided with fuel gas impact-absorbing shell (16), and the gas whirlwind air admission hole (14) of the inboard of hollow cylindrical gas distributing chamber (13) launches the stepped distribution in back.
CNU2006201119201U 2006-12-11 2006-12-11 Integral home-use biomass gas producing furnace Expired - Lifetime CN201059621Y (en)

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CNU2006201119201U CN201059621Y (en) 2006-12-11 2006-12-11 Integral home-use biomass gas producing furnace

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Application Number Priority Date Filing Date Title
CNU2006201119201U CN201059621Y (en) 2006-12-11 2006-12-11 Integral home-use biomass gas producing furnace

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104130802A (en) * 2014-08-07 2014-11-05 湖南湘丰技术有限公司 Biomass gasification furnace with furnace fuel gas cooling function
CN104909171A (en) * 2015-06-08 2015-09-16 中美新能源技术研发(山西)有限公司 Heat-insulating high-temperature-resistant inflatable cone

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104130802A (en) * 2014-08-07 2014-11-05 湖南湘丰技术有限公司 Biomass gasification furnace with furnace fuel gas cooling function
CN104909171A (en) * 2015-06-08 2015-09-16 中美新能源技术研发(山西)有限公司 Heat-insulating high-temperature-resistant inflatable cone

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Granted publication date: 20080514

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