CN103343963A - Updraught type straw fuel gas heat source machine - Google Patents

Updraught type straw fuel gas heat source machine Download PDF

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Publication number
CN103343963A
CN103343963A CN2013102972107A CN201310297210A CN103343963A CN 103343963 A CN103343963 A CN 103343963A CN 2013102972107 A CN2013102972107 A CN 2013102972107A CN 201310297210 A CN201310297210 A CN 201310297210A CN 103343963 A CN103343963 A CN 103343963A
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combustion gas
separator box
fuel gas
gas separator
water
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CN2013102972107A
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CN103343963B (en
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刘玉珂
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Liu Yuke
Lv Xiangrong
Xu Heran
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Abstract

The invention provides an updraught type straw fuel gas heat source machine which fundamentally solves the problems that an existing straw gasifier is low in circulating water heating efficiency and wastes energy. The updraught type straw fuel gas heat source machine comprises a gasifier provided with a water jacket, and a fuel gas separation box. A mixed gas outlet of the gasifier is communicated with a mixed gas inlet of the fuel gas separation box. The updraught type straw fuel gas heat source machine is characterized in that the gasifier is of an integrated structure and comprises an upper hearth, a combustion chamber and a lower hearth; a transverse communication water pipe which is communicated with the water jacket is arranged between the upper hearth and the lower hearth; the inside of the fuel gas separation box is divided by a partition plate to form a purifying chamber and a cooling chamber; a cooling box is arranged in the cooling chamber; the purifying chamber is divided by a purifying bin upright plate to form a purified fuel gas channel and a purifying bin; the bottom of the fuel gas separation box is provided with a water seal layer and a fuel gas circulation chamber. The transverse communication water pipe and a fire grate heating pipe are used as two heating water pipes, so that the design purpose of the updraught type straw fuel gas heat source machine is achieved; meanwhile, the method that solid fuel is compacted, perforated and burnt is adopted, so that the effect of the updraught type straw fuel gas heat source machine is improved, and fuel gas can be fully utilized.

Description

Updraught stalk heat source gas machine
Technical field
The present invention relates to a kind of household solid-fuel furnace field, particularly a kind of updraught stalk heat source gas machine of controlling air assembly, heat-exchange device or additional convection heater that has.It is mainly used in providing sustainable heat energy and pure fuel gas.
Background technology
The plant biomass energy is a huge solar energy warehouse, is one of important " green energy resource ", and the development and use plant biomass energy is exactly to develop solar energy indirectly.The plant biomass energy can be regenerated, and is inexhaustible.The development plant biomass is the green energy resource transformation technology of raw material, is following inexorable trend.
Stalk gasifier is to be raw material with the granular fuel after the compressed moulding of biomass straw, be gasifying agent with air and water vapour, make coal gas, the drink of serving the meals, cooking stove, boiler and various heating furnace use, substitute fuel oil, saved a large amount of expenses with cheap price to the user.The biomass granule fuel gasification technology is exactly the biological particles raw material adds thermal response under anaerobic condition conversion process of energy.Living beings are generally by element and ash compositions such as carbon, hydrogen, oxygen, and when they were lighted, supply little air (mainly utilizing oxygen) was controlled its course of reaction with effective measures, makes living beings be transformed into CO, CH 4, H 2Deng fuel gas, most of energy is all transferred in the gas in the stalk.Utilize the part burning of oxygen and living beings, for thermal decomposition and reduction reaction provide heat, thereby make solid biomass be converted into gaseous fuel.
In order fundamentally to solve the problem that the existing straw fuel gas producer recirculated water efficiency of heating surface is low, waste energy, the applicant once design patent publication number is CN 102305416 A " straw fuel gas heat source machine ", and it comprises gasification furnace, degassing chamber; Be respectively equipped with upper and lower burner hearth on the body of heater of gasification furnace; The furnace wall of upper furnace and furnace bottom are the double-layer water injection chamber, top, upper furnace furnace wall is provided with thick mixed gas outlet, the bottom is provided with blast pipe and the airtight fire door of built-in electric control fire rod, the furnace bottom of upper furnace and support skirt surround and form stove hall down, are provided with the gas-cooker that communicates with outside gas port in the following stove hall; Degassing chamber comprises the primary purification chamber, be arranged on top, primary purification chamber add ozone double purification chamber, be arranged on bottom, primary purification chamber bellows, be arranged on the combustion gas sub-air chamber that adds top, ozone double purification chamber.This patent both can the heat production of continuous burning aerogenesis, and heat cycles water fully discharges heat energy rapidly again, is applicable to productive life.
But impurity content is bigger in the fuel gas that above-mentioned straw fuel gas heat source machine produces, and combustion gas is difficult to light.And fuel combustions such as stalk gasification back is at mixed gas outlet cooling coking oil, and long-term use can be stopped up blast tube and easily be caused the stove internal gas pressure to gather and bury potential safety hazard.Existing charging aperture is at the gasification furnace at body of heater top, and its bell seals by O-ring seal, and by the weight compacting.O-ring seal 300 ℃ and fusing damage, needs often to change usually.And tar content is higher in the thick combustion gas, easily condenses at the charging aperture place, causes bell to be difficult to open, and causes furnace pressure to assemble the danger of easily blasting.
Summary of the invention
The objective of the invention is for a kind of updraught stalk heat source gas machine is provided, fundamentally solve the problem that the existing stalk gasifier A recirculated water efficiency of heating surface is low, waste energy, its reasonable in design, with cross connection water pipe and the two heating pipes of fire grate heating tube, adopt the method with solid fuel compacting punching burning simultaneously, improve the efficiency of heating surface and combustion gas factor of created gase, and combustion gas is more taken full advantage of, both reaching can the continuous burning aerogenesis, heat production, again heat cycles water purpose that heat energy is fully discharged rapidly.
The technical solution adopted in the present invention is: this updraught stalk heat source gas machine comprises gasification furnace and the combustion gas separator box that has water jacket, the mixed gas outlet of gasification furnace is connected with the mist entrance of combustion gas separator box, its technical essential is: described gasification furnace is integral structure, comprise the upper furnace that is provided with charging aperture and mixed gas outlet, by the separated combustion chamber that is provided with blast pipe of the waterpipe type fire grate that is connected with water jacket, lower hearth is arranged on the ash-storing bin of the ash discharging hole that has sealing door on the lower hearth; Be arranged on the cross connection water pipes that are connected with water jacket of at least two rows between upper furnace and the lower hearth;
Combustion gas separator box inner route clapboard is separated into clean room and cooling chamber, fixedlys connected with the inwall of combustion gas separator box with both sides in the top of dividing plate, and the bottom of the bottom of dividing plate and combustion gas separator box arranges passage;
The cooler bin that is connected with recirculated cooling water is set in cooling chamber, the one side of cooler bin is fixed with the inwall of combustion gas separator box, form the gas split tunnel between the inwall of other five and combustion gas separator box or the dividing plate, the combustion gas separator box is provided with the mist entrance that passage separated from the gas communicates, and cooler bin is provided with cooler bin water inlet pipe and cooler bin return pipe;
The clean room is separated into purifying gas passage and cleaning position by the cleaning position riser, the combustion gas separator box be provided with communicate with cleaning position help the oxygen air inlet, the upper and lower gas outlet that communicates with the purifying gas passage, last gas outlet are three-port structure; The cleaning position bottom is provided with orifice plate, and orifice plate has the gas distributing damper that is fixed on the combustion gas separator box inwall, and cleaning position riser both sides are fixed on the inwall of combustion gas separator box, leaves between the inwall of upper/lower terminal and combustion gas separator box at interval;
Combustion gas separator box bottom is provided with the water seal layer, the bottom of water seal layer, gas distributing damper, cleaning position riser, cooler bin surrounds the combustion gas circular chamber, the combustion gas separator box is provided with the tar that communicates with the combustion gas circular chamber and reclaims mouth and sewage draining exit, and wherein the bottom of tar recovery mouth is equal with the liquid level of water seal layer.
Described gasification furnace charging aperture top is provided with bell, bell is provided with the spacing position-limit mechanism of charging aperture short transverse that matches with the body of heater charging aperture, insert in the tank that is arranged on the body of heater top bell lower edge, and water surface upper surface is higher than place, bell lower edge horizontal plane in the tank.
Described carbide feed generator bottom is provided with the support skirt, is provided with the water jacket heater in the skirt, and described heater links to each other with the mixed gas outlet of combustion gas separator box.
Advantage and good effect that the present invention has are: the present invention is by adding fuel and compacting punching and probeing into the fuel bottom that igniter is lighted compacting by ash discharging hole in upper furnace, the fuel gas that the burning back produces discharges out of the furnace by the hole of compacting fuel, two heating tubes in the upper and lower burner hearth all are connected with the water generation heat exchange in its while of recirculated water and the chuck, have improved the efficiency of heating surface; The gas stove of combustion gas in supporting skirt that the process of utilizing degassing chamber to tell purifies lighted, and recirculated water in the heating lower hearth water jacket further improves the efficiency of heating surface; Therefore, the present invention takes full advantage of agriculture and forestry organic waste material, realizes the production capacity of efficient pollution-free; The present invention also is provided with hydrolock cooling bell, and when the stove internal gas pressure was excessive, with bell jack-up, this moment, gases at high pressure were drained in the atmosphere by the slit between bell and the tank simultaneously, avoid the generation of accident because the position limiting structure in the bell avoids bell to be collapsed flies; Simultaneously, the sealing ring in this bell structure can not damaged owing to temperature is too high, and need not frequent replacing; Gas is driven by air blast in the body of heater, and the heat source machine course of work is almost carried out under hermetic condition, and air blast efficient is high, and the combustion gas factor of created gase is high; Combustion gas separates casing and is provided with tar recovery mouth, has solved the trouble that tar is difficult to clear up in the prior art; Bottom half is provided with the gas circulation chamber, and sealing structure for water is formed on the circular chamber bottom, is used for admitting steam transforming water, the tar molecule invert liquid of isolation of purified thing formation, impurity conversion particle etc., and this water seal layer also possesses the refrigerated separation function, and effect is remarkable; Be provided with a plurality of purification mixed gas outlets, can connect according to different needs.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is stalk gasifier structural representation of the present invention;
Fig. 2 is combustion gas separator box structural representation of the present invention;
Fig. 3 is the plan structure schematic diagram of Fig. 2.
Sequence number explanation among the figure: A gasification furnace, B combustion gas separator box, 1 water jacket water inlet pipe, 2 waterpipe type fire grates, 3 blast pipes, 4 cross connection water pipes, 5 mixed gas outlets, 6 water jacket outlet pipes, 7 cooling tank water inlet pipes, 8 locking plates, 9 cooling bells, 10 bell handles, 11 charging apertures, 12 tanks, 13 atmospheric communicating pipes, 14 burner hearths, 15 water jackets, 16 combustion chambers, 17 ash-storing bins, 18 ash discharging holes, 19 support skirt, 20 furnace bottom gas-cookers, 21 tar reclaim mouth, 22 cooler bin water inlet pipes, 23 cooler bins, 24 mist entrances, 25 cooler bin return pipes, 26 gas split tunnels, 27 help the oxygen air inlet, gas outlet on 28,29 cleaning positions, 30 orifice plates, 31 purifying gas passages, 32 gas distributing dampers, 33 times gas outlets, 34 dividing plates, 35 combustion gas circular chambers, 36 cleaning position risers, 37 sewage draining exits.
The specific embodiment
Elaborate concrete structure of the present invention in conjunction with Fig. 1 ~ 3.This gasifying stalk device comprises parts such as the gasification furnace A that has water jacket and combustion gas separator box B.Wherein, the mixed gas outlet 5 of gasification furnace A and combustion gas separator box B mist entrance 24 link to each other by pipeline.Gasification furnace A is integral structure, be followed successively by upper furnace 14, combustion chamber 16, ash-storing bin 17 in the body of heater from top to bottom, upper furnace 14 is provided with charging aperture 11 and mixed gas outlet 5, by the separated combustion chamber 16 that is provided with blast pipe 3 of the waterpipe type fire grate that is connected with water jacket 15, lower hearth, combustion chamber 16 is provided with blast pipe 3, and separated by the waterpipe type fire grate 2 that is connected with water jacket 15, be provided with the ash-storing bin 17 of the ash discharging hole 18 of sealing door on the lower hearth, ash discharging hole 18 is provided with the sealing door (not shown).Be provided with at least two rows' the cross connection water pipes 4 that are connected with water jacket 15 between upper furnace 14 and the lower hearth.Charging aperture is by 9 sealings of cooling bell, and bell 9 is provided with the bell handle, and mixed gas outlet 5 is connected with upper furnace 14.Bottom of furnace body is provided with and supports skirt 19, is provided with gas-cooker 20 in the skirt.For increasing air-tightness and the security of gasification furnace, be provided with tank 12 at the body of heater top, charging aperture 11 is positioned at tank 12, charging aperture 11 outer walls are provided with locking plate 8, bell 9 is buckled on the charging aperture, and bell 9 inwalls are provided with and the corresponding locking plate 8 of charging aperture, and bell 9 is fixed on the charging aperture by locking plate is spacing.
Combustion gas separator box B inner route clapboard 34 is separated into clean room and cooling chamber, the inwall of the top of dividing plate 34 and sidepiece and combustion gas separator box B is fixed, fixedly connected with the inwall of combustion gas separator box with both sides in the top of dividing plate 34, the bottom of the bottom of dividing plate 34 and combustion gas separator box B arranges passage.
The cooler bin 23 that is connected with recirculated cooling water is set in cooling chamber, the one side of cooler bin 23 is fixed with the inwall of combustion gas separator box B, form gas split tunnel 26 between the inwall of other five and combustion gas separator box B or the dividing plate 34, combustion gas separator box B is provided with the mist entrance 24 that passage 26 separated from the gas communicates, and cooler bin 23 is provided with cooler bin water inlet pipe 22 and cooler bin return pipe 25.
The clean room is separated into purifying gas passage 31 and cleaning position 29 by cleaning position riser 36, filled media corncob, active carbon, 5A zeolite from bottom to top in the cleaning position 29, and cleaning position 29 is provided with purification medium charge door (not shown).Combustion gas separator box B be provided with communicate with cleaning position 29 help oxygen air inlet 27, the upper and lower gas outlet 28,33 that communicates with purifying gas passage 31, last gas outlet 28 is three-port structure.Cleaning position 29 bottoms are provided with orifice plate 30, orifice plate 30 has the gas distributing damper 32 that is fixed on the combustion gas separator box B inwall, cleaning position riser 36 both sides are fixed on the inwall of combustion gas separator box B, leave between the inwall of the upper/lower terminal of cleaning position riser 36 and combustion gas separator box B at interval.
Combustion gas separator box B bottom is provided with the water seal layer, the bottom of water seal layer, gas distributing damper 32, cleaning position riser 36, cooler bin 23 surrounds combustion gas circular chamber 35, combustion gas separator box B is provided with the tar that communicates with combustion gas circular chamber 35 and reclaims mouth 21 and sewage draining exit 37, and wherein the bottom of tar recovery mouth 21 is equal with the liquid level of water seal layer.
After the higher mist of impurity content enters combustion gas separator box B, at first enter in the gas split tunnel 26 by mist entrance 24, continue logical cooling water in the cooler bin 23, combustion gas circular chamber 35 bottoms are injected a certain amount of water by sewage draining exit 37 and are formed the water seal layer, in the gas flow process constantly and cooler bin 23 outer walls carry out heat exchange, cooler bin 23 is arranged on the casing center, to improve area of dissipation, fall into the water seal floor of 35 bottoms, bottom half gas circulation chamber after the cooling of impurity such as the tar in the mist, tar swims on the water seal layer and by tar and reclaims mouthful 21 eliminatings, and other granule foreigns fall into the water.Along with carry out tar and the granule foreign of cooling are separated out and fallen into the water seal layer, reduce pressure to shunt by gas distributing damper 32 then and enter cleaning position 29 by the filter opening on the orifice plate 30, filter mediums such as corncob, active carbon and 5A zeolite are housed in the cleaning position 29, after removing steam, nitrogen and the pernicious gas in the combustion gas, enter purifying gas passage 31 by cleaning position 29 tops, by helping the oxygen content in the pressurization of oxygen air inlet 27 secondaries and the raising combustion gas, make that combustion gas is easier lights, discharge by upper and lower gas outlet 28,33 at last.Support the gas-cooker 20 in the skirt 19 at the bottom of the following gas outlet 33 switching gasification furnaces, further the bottom of furnace body water jacket layer is heated, to improve the efficiency of heating surface, last gas outlet 28 is provided with three-port structure, the Gas Pipe of vertical direction is used for smoke discharging, and the Gas Pipe of horizontal direction is used for providing daily combustible gas.
Updraught stalk heat source gas machine of the present invention not only can provide the automated production of straw fuel gas thermal source, and simple and easy to do, the energy multiplication, and benefit is outstanding, and having opened up more, extensive exploitation utilizes the new space of straw fuel gas using energy source.

Claims (3)

1. updraught stalk heat source gas machine, comprise the gasification furnace and the combustion gas separator box that have water jacket, the mixed gas outlet of gasification furnace is connected with the mist entrance of combustion gas separator box, it is characterized in that: described gasification furnace is integral structure, comprise the upper furnace that is provided with charging aperture and mixed gas outlet, by the separated combustion chamber that is provided with blast pipe of the waterpipe type fire grate that is connected with water jacket, lower hearth is arranged on the ash-storing bin of the ash discharging hole that has sealing door on the lower hearth; Be arranged on the cross connection water pipes that are connected with water jacket of at least two rows between upper furnace and the lower hearth;
Combustion gas separator box inner route clapboard is separated into clean room and cooling chamber, fixedlys connected with the inwall of combustion gas separator box with both sides in the top of dividing plate, and the bottom of the bottom of dividing plate and combustion gas separator box arranges passage;
The cooler bin that is connected with recirculated cooling water is set in cooling chamber, the one side of cooler bin is fixed with the inwall of combustion gas separator box, form the gas split tunnel between the inwall of other five and combustion gas separator box or the dividing plate, the combustion gas separator box is provided with the mist entrance that passage separated from the gas communicates, and cooler bin is provided with cooler bin water inlet pipe and cooler bin return pipe;
The clean room is separated into purifying gas passage and cleaning position by the cleaning position riser, the combustion gas separator box be provided with communicate with cleaning position help the oxygen air inlet, the upper and lower gas outlet that communicates with the purifying gas passage, last gas outlet are three-port structure; The cleaning position bottom is provided with orifice plate, and orifice plate has the gas distributing damper that is fixed on the combustion gas separator box inwall, and cleaning position riser both sides are fixed on the inwall of combustion gas separator box, leaves between the inwall of upper/lower terminal and combustion gas separator box at interval;
Combustion gas separator box bottom is provided with the water seal layer, the bottom of water seal layer, gas distributing damper, cleaning position riser, cooler bin surrounds the combustion gas circular chamber, the combustion gas separator box is provided with the tar that communicates with the combustion gas circular chamber and reclaims mouth and sewage draining exit, and wherein the bottom of tar recovery mouth is equal with the liquid level of water seal layer.
2. heat source machine according to claim 1, it is characterized in that: described gasification furnace charging aperture top is provided with bell, bell is provided with the spacing position-limit mechanism of charging aperture short transverse that matches with the body of heater charging aperture, insert in the tank that is arranged on the body of heater top bell lower edge, and water surface upper surface is higher than place, bell lower edge horizontal plane in the tank.
3. heat source machine according to claim 1 and 2 is characterized in that: described carbide feed generator bottom is provided with the support skirt, is provided with the water jacket heater in the skirt, and described heater links to each other with the mixed gas outlet of combustion gas separator box.
CN201310297210.7A 2013-07-16 2013-07-16 Updraught type straw fuel gas heat source machine Expired - Fee Related CN103343963B (en)

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CN103343963B CN103343963B (en) 2015-06-03

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB196972A (en) * 1922-01-04 1923-05-04 Fred Umpleby Improvements in and relating to gas generators
JPS5481302A (en) * 1977-12-13 1979-06-28 Kawasaki Heavy Ind Ltd Waste heat recovery from coke oven gas and equipment for the same
CN200961853Y (en) * 2006-09-06 2007-10-17 吴作贤 Fire coal gasification oven
CN201301303Y (en) * 2008-09-26 2009-09-02 沙纯升 Biomass straw gasification device
CN201343516Y (en) * 2008-04-21 2009-11-11 刘华维 Energy-saving multifunctional stalk gasification furnace
CN102305416A (en) * 2011-07-21 2012-01-04 刘玉珂 Straw gas heat source engine
CN102876393A (en) * 2011-07-11 2013-01-16 常熟市辛庄镇前进五金厂 Structure improved biomass fuel vaporizing furnace
CN203404773U (en) * 2013-07-16 2014-01-22 刘玉珂 Updraught type straw gas heat source machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB196972A (en) * 1922-01-04 1923-05-04 Fred Umpleby Improvements in and relating to gas generators
JPS5481302A (en) * 1977-12-13 1979-06-28 Kawasaki Heavy Ind Ltd Waste heat recovery from coke oven gas and equipment for the same
CN200961853Y (en) * 2006-09-06 2007-10-17 吴作贤 Fire coal gasification oven
CN201343516Y (en) * 2008-04-21 2009-11-11 刘华维 Energy-saving multifunctional stalk gasification furnace
CN201301303Y (en) * 2008-09-26 2009-09-02 沙纯升 Biomass straw gasification device
CN102876393A (en) * 2011-07-11 2013-01-16 常熟市辛庄镇前进五金厂 Structure improved biomass fuel vaporizing furnace
CN102305416A (en) * 2011-07-21 2012-01-04 刘玉珂 Straw gas heat source engine
CN203404773U (en) * 2013-07-16 2014-01-22 刘玉珂 Updraught type straw gas heat source machine

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