CN205258607U - Adopt aluminum product oxidation heating system of biomass gasification stove - Google Patents
Adopt aluminum product oxidation heating system of biomass gasification stove Download PDFInfo
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- CN205258607U CN205258607U CN201520892543.9U CN201520892543U CN205258607U CN 205258607 U CN205258607 U CN 205258607U CN 201520892543 U CN201520892543 U CN 201520892543U CN 205258607 U CN205258607 U CN 205258607U
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Abstract
The utility model discloses an adopt aluminum product oxidation heating system of biomass gasification stove, include: aluminum product oxidation pond, heat exchange coil, biomass gasification stove, combustor and once spray the heat transfer room. The biomass gasification stove includes gasification furnace body, gasification reaction room, plenum, grate, biological material feed inlet, the export of living beings gas and gasification agent entry. It includes spray room body, medium temperature exhanst gas outlet, at least one warm water entry through pipeline and heat exchange coil's exit end intercommunication, hot water export, a burning section of thick bamboo through pipeline and heat exchange coil's entry end intercommunication and sprays the board once to spray the heat transfer room, wherein, a burning section of thick bamboo including the blind end of another end wall of a neighbouring spray room body, pass a spray room body the clearing hole to once spray the open end that the outdoor portion of heat transfer extends and spontaneous combustion section of thick bamboo lateral wall is to spraying the pipe of discharging fume that the board orientation is extended between blind end and open end, the open end of a burning section of thick bamboo is continuous with the combustor.
Description
Technical field
The utility model relates to a kind of aluminium treatment system, and particularly a kind of aluminium material oxidation heating isSystem.
Background technology
Gasification of biomass is taking living beings as raw material, at gasifying agents such as oxygen, steam or hydrogenUnder effect, under hot conditions, pass through thermal chemical reaction, by Partial Conversion flammable in living beings beThe process of combustible gas. The fundamental reaction of biomass gasification process under different condition comprises:C+O2＝CO2；CO2+C＝2CO；H2O+C＝CO+H2Deng chemical reaction process, living beingsThe gas componant producing when gasification mainly comprises H2、CH4With CO etc., conventionally by this combustible gasBody is called biological fuel gas. Biomass fuel is as a kind of novel fuel, and it has the biography of being different fromThe advantage of system fuel, the energy of for example biomass fuel comes from living beings whens growth to natureCO2Absorption, the content of its fixed carbon is 15% left and right, is typical low-carbon (LC) fuel, and rawThe sulfur content of material fuel is low, and nitrogen content is low, and environmental pollution is little, and gives up because it derives from agriculturalGurry, cycling deposition, with low cost, therefore the Application and Development of biomass fuel is more and more subject to heavilyDepending on.
In aluminium producing, bring into use biomass fuel that heat energy is provided at present, for example, adopted biologicalThe molten aluminium stove of matter fuel energy supply. And the aluminium material oxidation pond common aluminum profile extrusion equipment that is also industry, itsAluminium need to be immersed in oxidation liquid medicine, and oxidation liquid medicine is heated to uniform temperature, thus fullThe demand of foot aluminium material oxidation reaction. In current aluminium producing, need to carry out a large amount of aluminium material oxidationsProcess, demand for energy is large, uses the problem of environmental pollution sternness that brings of traditional fuel, therefore asWhat is applied to biomass fuel in aluminium material oxidation processing production process is also that industry is badly in need of solvingProblem.
A kind of biomass double furnace thorax superhigh temperature providing as Chinese patent application 201310177571.8Combustor, comprising: loading hopper, air blast, the first burner hearth and the second burner hearth; Loading hopperDischarging opening be communicated with the first burner hearth, the first burner hearth is communicated with the second burner hearth, the second burner hearth is provided with sprayNozzles; The air outlet of air blast is communicated with the first burner hearth and the second burner hearth respectively. This biomass double furnaceThorax ultrahigh temperature combustion machine the first burner hearth is directly burning, and the second burner hearth is gasification, and combustion. The first burner hearthCan be by flue gas to 800 DEG C by direct burning, the second burner hearth can be by gasification function by 800 DEG CFlue gas make crater flue gas bring up to 1250 DEG C of left and right by gasification, and combustion, increase biomass fuelAnd the calory burning of flue gas is to meet the demand of the molten aluminium of casting.
The molten aluminium stove of one that and for example Chinese patent application 201420852077.7 provides, comprises molten aluminiumStove, burner noz(zle), storage heater, flue, distributing pipe, smoke exhaust fan, flue gas cleaner,Combustion fan, air duct, fuel channel, gas pipeline, high-temperature blower, biomass gasifying furnace,The upper end of molten aluminium stove is respectively arranged with flue and storage heater, and flue through storage heater withSmoke exhaust fan connects, and the rear end of smoke exhaust fan is connected with flue gas cleaner and discharge tube, storage heaterLower end be provided with burner noz(zle), burner noz(zle) by distributing pipe respectively with air duct, cartridgeRoad, gas pipeline connect, and air duct passes storage heater and is connected with combustion fan, and gas pipeline is logicalCross high-temperature blower and be connected with biomass gasifying furnace, fuel channel is connected with Bunker, gasification of biomassStove transforms the fuel gas producing and is transported in distributing pipe by high-temperature blower, and through burner noz(zle)Burn and molten aluminium furnace interior is heated, the high-temperature flue gas producing in combustion process is arranged from flueGo out, high-temperature flue gas carries out preheating to cold air in storage heater.
Above-mentioned two disclosed technology of patent/patent application all utilize biogas to carry out aluminiumHeating and melting, and Chinese patent application 201420852077.7 is also utilized the height going out from molten aluminium fire grateTemperature flue gas carries out preheating to the cold air in storage heater, has improved the utilization ratio of energy, but onThe technology of stating only limits to utilize biogas to heat molten aluminium stove, and biogas was produced at aluminiumIn journey manufacture process, utilize mode limited, energy-provision way is single, and the equal existent defect of above-mentioned technologyOr not enough, for example: the calory burning of (1), employing biogas heats aluminium, dischargeFlue gas in also contain a large amount of combustible components, but above-mentioned technology not to discharge in flue gas canCombustion composition is used again, but flue gas is directly disposed to atmosphere, has therefore caused the energyWaste, the thermal efficiency is not high; (2), also there are a large amount of harmful components in flue gas, through once combustionAfter burning, be directly disposed to external environment, large to the harm of environment; (3), in high-temperature flue gas, also containA large amount of heats, only adopts high-temperature flue gas preheating cold air in heat exchanger in above-mentioned technology, and, there is limitation to the mode of UTILIZATION OF VESIDUAL HEAT IN in the UTILIZATION OF VESIDUAL HEAT IN mode that does not adopt other, efficiency is low.
Therefore, provide a kind of heat that biogas burning can be produced be applied to aluminum oxidation stove,And the aluminium material oxidation heating system that can make full use of the employing biomass gasifying furnace of fume afterheat becomesFor urgent problem in the industry.
Summary of the invention
The purpose of this utility model is to provide a kind of heat that biogas burning can be produced shouldBe used for aluminium material oxidation stove, can make full use of fume afterheat and significantly reduce carbon dioxide in flue gasThe aluminium material oxidation heating system of content.
According to scheme of the present utility model, provide a kind of aluminium material oxidation that adopts biomass gasifying furnace to addHot system, comprising: process with being oxidized the aluminium material oxidation pond of liquid medicine and being located at aluminium for holding aluminiumIn material oxidation pond, process the heat exchange coil with oxidation liquid medicine for heating aluminium. This employing biogasThe aluminium material oxidation heating system of changing stove further comprises: for the biogas of biological fuel gas is providedChange stove; For burning from the burner of the biological fuel gas of biomass gasifying furnace; And once sprayDrench Heat Room, once spray Heat Room and comprise spray chamber body, be located at spray chamber body one timeOne end wall pass through hole, be located at another end wall of spray chamber body middle temperature exhanst gas outlet, be located atA spray chamber body top and be communicated with the port of export of heat exchange coil by pipeline at least oneWarm water entrance, be located at spray chamber body bottom and connect by the arrival end of pipeline and heat exchange coilLogical hot water outlet, be located at the combustion barrel of a spray chamber body interior and be located at once sprayChamber body interior and be positioned at the shower plate of combustion barrel top. Wherein, combustion barrel comprises contiguous once sprayDrench the blind end of another end wall of chamber body, pass through hole to once spray through a spray chamber bodyDrench the outside openend extending of Heat Room and spontaneous combustion cylinder sidewall between blind end and openendThe smoke exhaust pipe extending to shower plate direction, the openend of combustion barrel is connected that with burner flame is sprayedBe incident upon the heat release of burning cylinder roasting, make to spray extremely via shower plate from least one warm water entranceThe first high-temperature flue gas of being discharged by smoke exhaust pipe of water once spraying in Heat Room once heats, then byThe barrel of combustion barrel carries out being delivered in heat exchange coil with heating aluminium by pipeline after post bakeAluminium in oxidation pond is processed with oxidation liquid medicine.
Preferably, smoke exhaust pipe forms blind end away from one end of combustion barrel, and contiguous blind end is along smoke evacuationThe radial direction of pipe stretches out and forms at least two flue gas manifolds, makes from the cigarette in combustion barrelGas sprays into and once sprays in Heat Room and water heat exchange, the cigarette after heat exchange via at least two flue gas manifoldGas carries part aqueous vapor and discharges and once spray Heat Room via middle temperature exhanst gas outlet.
Selectively, being close to blind end stretches out and forms at least four along the radial direction of smoke exhaust pipeFlue gas manifold, and at least four flue gas manifolds uniformly-spaced arrange around smoke exhaust pipe, make flue gas equalSpray to all directions that once spray in Heat Room evenly, thereby via shower plate spray extremely onceIn spray Heat Room, the water of regional can both obtain flue gas.
Preferably, once spraying Heat Room further comprises and is located at a moisturizing on spray chamber bodyMouthful, for supplementing to once spraying in Heat Room the moisture of being taken away by flue gas. Water supplement port can arrangeOptional position on a spray chamber body, such as roof, sidewall, front bulkhead or aft bulkhead.
Selectively, at least one warm water entrance can be located at the roof of a spray chamber body, orThe contiguous roof of person is located at sidewall or end wall; Hot water outlet can be located at the end of a spray chamber bodyWall, or adjacent bottom wall is located at sidewall or end wall.
Selectively, once spray Heat Room and be further provided with overfall, overfall can be located at gasChange the optional position at furnace body middle part, such as sidewall or end wall.
Selectively, once spraying in the short transverse of Heat Room, suitable by position from top to bottomOrder is followed successively by: hot water outlet, combustion barrel, water supplement port, overfall, flue gas manifold, middle temperature flue gasOutlet, shower plate and warm water entrance.
Selectively, further comprise secondary spraying Heat Room, secondary spraying Heat Room comprises secondarySpray chamber body, be located at secondary spraying chamber body roof low-temperature flue gas outlet, be located at secondary sprayingSecondary hot water's outlet of chamber body diapire, contiguous secondary spraying chamber body diapire are located at secondary spraying chamberThe middle temperature smoke inlet of body sidewall, contiguous secondary spraying chamber body roof are located at secondary spraying chamber originallyThe cold water inlet of body sidewall and contiguous secondary spraying chamber body roof are located at secondary spraying chamber bodyInner cold water spray head, wherein, the middle temperature smoke inlet of secondary spraying Heat Room by pipeline withThe middle temperature exhanst gas outlet that once sprays Heat Room is communicated with, secondary hot water's outlet of secondary spraying Heat RoomBe communicated with the water supplement port that once sprays Heat Room by pipeline, cold water spray head is by pipeline and cold waterEntrance is communicated with spraying to the body of secondary spraying chamber from outside cold water, makes from onceThe flue gas of spray Heat Room becomes delivery extremely the cool water heating spraying in secondary spraying Heat RoomOnce spray in Heat Room to supplement the moisture of taking away in flue gas.
Selectively, biomass gasifying furnace comprises gasification furnace body, is located in gasification furnace body gasChange furnace body inner space and be divided into the gasification reactor chamber that is positioned at middle and upper part and the wind that is positioned at bottomGasification furnace body top is located at the fire grate of chamber, interval and the biomass material that is communicated with gasification reactor chamber entersMaterial mouth and biogas outlet and the gasifying agent of being located at gasification furnace body bottom and being communicated with air compartmentEntrance.
Selectively, biomass material charging aperture and biogas outlet can be located at gasification furnace originally in intervalThe optional position on body top, such as sidewall or roof. For example, biomass material charging aperture can be located atOn the sidewall of gasification furnace body, biogas outlet can be located at the roof of gasification furnace body. GasificationAgent entrance can be located at the optional position of gasification furnace body bottom, such as being located at diapire or adjacent bottom wallBe located at sidewall.
Selectively, this system further comprises the life of filtering from biomass gasifying furnace for cleanThe filter chamber of the biogas of material gas outlet, filter chamber comprise filter chamber's body for being filled with water,Biogas entrance and the clean gas that filter chamber top is located at interval exports, authigenic material gas entersMouth extends to the mozzle below the water surface in filter chamber, and biogas entrance is by pipeline and biologyThe biogas outlet of matter gasification furnace is communicated with so that biogas is delivered in filter chamber and is carried out under waterFilter, clean gas outlet is delivered to burner combustion by pipeline by the clean fuel gas after filtering.
Preferably, burner comprise housing, be located at housing one end fuel gas inlet, to be located at housing anotherThe flame export of one end, at least one rotational flow air entrance of being located at housing sidewall and contiguous fireThe porous filter plate in housing is located in flame outlet, and fuel gas inlet is by the clean combustion of pipeline and filter chamberGas outlet is communicated with, and flame export is communicated with the openend of the combustion barrel that once sprays Heat Room.
Selectively, porous filter plate can be filter plate of porous ceramic, honeycomb ceramic plate or itsThe porous plate that its exotic material is made.
Preferably, the self-styled closed end of combustion barrel is gradually-reducing shape to openend, is horn-like, is beneficial toFlame is in the heat release of burning cylinder roasting. Wherein, combustion barrel and by adopting temperature resistant encapsulation part between holeSealing or welding.
Preferably, at least one rotational flow air entrance is established along the tangential direction of the housing of burnerPut, make the air entering via at least one rotational flow air entrance in housing, form eddy flow.
More preferably, biomass gasifying furnace further comprise around gasification reactor chamber be located at gasification furnace thisThe wind cover of body sidewall, wind cover comprises air inlet and air outlet, air outlet enters by pipeline and gasifying agentMouth is communicated with.
Selectively, the outlet of the low-temperature flue gas of secondary spraying Heat Room connects by flue gas exhausting pipe lineTo chimney, backflow flue gas outlet is set on flue gas exhausting pipe line, backflow flue gas outlet by pipeline withThe air inlet of the wind cover of biomass gasifying furnace is communicated with so that the partial fume that is rich in steam is back to lifeGasification substance stove is as gasifying agent.
Furnace wall by biomass gasifying furnace adds the partial fume that is rich in steam being back in wind coverHeat becomes the gaseous mixture of high-temperature water vapor and flue gas, enters in biomass gasifying furnace via gasification agent inletAs the gasifying agent of biomass gasification reaction. This can be avoided energy dissipation, can improve again gasification furnaceReaction efficiency.
Selectively, further comprise for backflow flue gas outlet and wind to secondary spraying Heat RoomIn pipeline between the air inlet of cover, supplement the blower fan of air.
Wherein, the edge of shower plate and the inner surface that once sprays a spray chamber body of Heat RoomEngage.
Wherein, water forms and follows between the heat exchange coil once spraying in Heat Room and aluminium material oxidation pondLoop back path, water flows through heat exchange coil to the oxidation liquid medicine release heat in aluminium material oxidation pond.
Selectively, the hot water temperature who enters the heat exchange coil in aluminium material oxidation pond is made as 70 DEG C～90 DEG C,And the hot water temperature who discharges from heat exchange coil is made as 50 DEG C～70 DEG C.
Selectively, the flue-gas temperature that warm smoke inlet enters from secondary spraying Heat Room is made asApproximately 70 DEG C～90 DEG C, the hot water temperature who exports discharge from the secondary hot water of secondary spraying Heat Room is made asApproximately 40 DEG C～60 DEG C, the flue-gas temperature of discharging from the low-temperature flue gas outlet of secondary spraying Heat Room is made asApproximately 50 DEG C～70 DEG C.
What selectively, the heat exchange coil in aluminium material oxidation pond can be set to be connected successively from beginning to end is flatMultiple pipelines that row is arranged or be set to the pipeline of coiled coil.
The beneficial effects of the utility model are: (1), in aluminium material oxidation heating production process, adoptBiogas combustion heat supplying, has increased biomass fuel and utilized mode in aluminium producing, fullyUtilize the many advantages of biomass fuel, low-carbon environment-friendly, and due to the sulfur content of biomass fuelLow with nitrogen content, little to the pollution of environment; (2), adopt water as heat exchange medium at burnerBetween heat exchange coil in the flue gas discharging and aluminium material oxidation pond, carry out heat exchange, to aluminium material oxidationThe heating effect of the oxidation liquid medicine in pond is stable, is easy to ensure that oxidation liquid medicine is in being suitable for aluminium material oxidationSuitable temperature scope; (3), adopt and once spray Heat Room and secondary spraying Heat Room two-stage altogetherHeat-exchange system, takes full advantage of high-temperature flue gas waste heat, has improved the thermal efficiency of fuel, and in two-stageThe mode that all adopts water to spray in heat-exchange system realizes the heat exchange of flue gas and water, heat exchanger effectivenessHeight in addition, utilizes the multiple cigarettes that arrange on smoke exhaust pipe in the combustion barrel that once sprays Heat RoomGas manifold increases heat exchange area, and further utilizes burning barrel and water to carry out heat exchange, all largeImprove greatly heat exchanger effectiveness; (4), flue gas is by the flue gas exhausting pipe line of secondary spraying Heat RoomOn arm return to biomass gasifying furnace and rekindle, high-temperature flue gas is recycled, reducedThe direct discharge capacity of high-temperature flue gas, has improved the utilization rate of waste heat of high-temperature flue gas, and flue gas processCirculating combustion again, has significantly reduced the discharge capacity of carbon dioxide and oxynitrides, reducesTo the pollution level of environment; (5) height that, returns to biomass gasifying furnace and again burn by armTemperature flue gas, owing to carrying out with shower water once spraying in Heat Room and secondary spraying Heat Room beforeHeat exchange, therefore this partial fume is rich in steam, is conducive to the gasification reaction mistake of biomass materialJourney, can promote the generation of biogas; (6), wind cover utilizes the gasification reaction waste heat of gasification furnaceGasifying agent is heated, further improved the reaction efficiency of biomass gasifying furnace; (7), twoStructure and the connected mode in level spray Heat Room and aluminium material oxidation pond are simple, are convenient to existing aluminiumOxidation pond carries out reducing energy consumption and with low cost, is suitable for extensively promoting the use of.
Brief description of the drawings
Fig. 1 shows the aluminium material oxidation heating system of employing biomass gasifying furnace of the present utility modelSchematic diagram.
Fig. 2 shows the aluminium material oxidation heating system of employing biomass gasifying furnace of the present utility modelThe schematic diagram of biomass gasifying furnace.
Fig. 3 shows the aluminium material oxidation heating system of employing biomass gasifying furnace of the present utility modelThe schematic diagram of burner.
Fig. 4 shows the aluminium material oxidation heating system of employing biomass gasifying furnace of the present utility modelOnce spray the front view of Heat Room.
Fig. 5 shows the aluminium material oxidation heating system of employing biomass gasifying furnace of the present utility modelOnce spray the side view of Heat Room.
Detailed description of the invention
Please refer to Fig. 1, according to a kind of embodiment of the present utility model, adopt biomass gasifying furnaceAluminium material oxidation heating system comprise: biomass gasifying furnace 100, burner 200, spray onceHeat Room 300, secondary spraying Heat Room 400, aluminium material oxidation pond 500, water pump 600, blower fan 700.
As shown in Figure 2, biomass gasifying furnace 100 comprises the body of heater 110 for generation of biogas.The wind that body of heater 110 comprises body 111, is positioned at body 111 middle and lower parts and arranges around body 111Cover 112, be located at body 111 inside on the lower position fire grate 113 and be positioned at the side of body 111Feed pipeline 114 on wall. The sidewall of body 111 is provided with biomass material charging aperture 1112, usesIn the biogas outlet 1111 of discharging biogas, be provided with position on the lower at the sidewall of body 111Gasification agent inlet 1113, the air outlet 1122 of wind cover 112 be connected with gasification agent inlet 1113 fromAnd gasifying agent is sent into body of heater 110 inside. From the biomass material of feed pipeline 114 from living beingsMaterial charging aperture 1112 enters body 111, and is deposited on fire grate 113, on the top of fire grate 113Form gasification reaction district, biomass material is at this gasification reaction district and air, water vapour, backflow flue gasA series of gasification reactions occur, and to produce biogas, the biogas producing is via living beingsBodies 111 are discharged in gas outlet 1111, and enter filter chamber 120 by pipeline subsequently and filter, thenEnter burning in burner 200.
Filter chamber 120 is arranged on the downstream of body of heater 110, and the biogas of discharging from body of heater 110 is logicalPiping enters filter chamber 120. In filter chamber 120, accommodate water, filter chamber 120 and body of heater 110The pipeline being connected extends into below the liquid level in filter chamber 120, and the top of filter chamber 120 alsoConnecting pipe is to discharge biomass gasifying furnace 100 by the biogas after filtering in addition. Wherein, comeDirectly send into below the liquid level of filter chamber 120 biology via pipeline from the biogas of body of heater 110Matter gas is motion from bottom to top in water, removes the material such as impurity, tar of carrying secretly in gas, obtainsComparatively clean biogas also goes out filter chamber 120 from row of conduits.
Fig. 3 is the schematic diagram of burner 200. Burner 200 comprises housing 210, is located at housingThe fuel gas inlet 211 of 210 one end, be located at housing 210 other ends flame export 212, be located at shellThe rotational flow air entrance 213 of body 210 sidewalls and contiguous flame export 212 are located at housing 210Interior porous filter plate 220. In this non-limiting embodiment, porous filter plate 220 adoptsPorous ceramic film material is manufactured, for further removing tar and the impurity of biogas.
Outside air enters burner 200 from rotational flow air entrance 213, makes in burner 200Air-flow be eddy flow shape motion, rotational flow air is realized combustion-supporting effect simultaneously. From filter chamber 120Clean biogas enters housing 210 inside via pipeline from the fuel gas inlet 211 of housing 210,Under rotational flow air effect, can rotate towards porous mistake at the biogas of housing 210 interior burningsFilter plate 220 moves, and forms swirl flow combustion form, to ensure fully mixing of biogas and airBurning, the combustion gas of HTHP is known from experience by the hole on porous filter plate 220, and towards fireFlame outlet 212 motions, discharge burner 200 from flame export 212 subsequently.
Fig. 4 and Fig. 5 show the schematic diagram that once sprays Heat Room 300. Once spray Heat Room300 comprise spray chamber body 310, be arranged on the combustion barrel in spray chamber body 310 one time330 and be positioned at the shower plate of combustion barrel 330 tops near the top of a spray chamber body 310320. On a spray chamber body 310, be provided with and be positioned at passing through hole 313, being positioned at rear end of front bulkheadThe middle temperature exhanst gas outlet 314 of wall, the warm water entrance 311 that is positioned at roof, the hot water that is positioned at diapire go outMouthfuls 312, be positioned at the water supplement port 315 of a sidewall and be positioned at the overfall 316 of another sidewall. TemperatureThe quantity of water inlet 311 can be multiple. The edge of shower plate 320 and a spray chamber body 310Inner surface engage, on it, be provided with multiple hole water supply stream and pass through. Combustion barrel 330 and its axisIn vertical direction, be provided with smoke exhaust pipe 331, smoke exhaust pipe 331 is first-class is arranged at intervals with four flue gases3311, four flue gas manifolds 3311 of manifold stretch out along the radial direction of smoke exhaust pipe 331. LogicalCross the flow of controlling warm water entrance 311 and hot water outlet 312 and make four flue gas manifolds 3311Position is positioned at the water surface top that once sprays Heat Room 300 all the time, and the position of combustion barrel 330All the time be positioned under the water surface that once sprays Heat Room 300.
Smoke exhaust pipe 331 is connected with combustion barrel 330. One end of combustion barrel 330 is through passing through hole 313Directly be communicated with other end sealing and the position of combustion barrel 330 with the flame export 212 of burner 200In once spraying a spray chamber body 310 of Heat Room 300, from the flame of burner 200The high-temperature flue gas that outlet 212 is discharged directly enters the combustion barrel 330 that once sprays Heat Room 300,And in the interior sustained combustion of combustion barrel 330, the heat that burning discharges is first by the cylinder of combustion barrel 330Wall passes to the water once spraying in Heat Room 300. The high-temperature flue gas that burning forms is from combustion barrelThe flue gas manifold 3311 of the smoke exhaust pipe 331 on 330 be discharged in spray chamber body 310 and withThe water smoke spraying from shower plate 320 carries out direct heat exchange, and flue gases all after heat exchange is finalTherefrom warm exhanst gas outlet 314 is discharged and is once sprayed Heat Room 300.
As shown in Figure 5, the cross section of combustion barrel 330 is rounded, also can be arranged to as required squareOr rectangle. Once spray the warm water entrance 311 of Heat Room 300 by pipeline and aluminium material oxidation pond 500In the port of export of heat exchange coil 520 be connected, from approximately 50 of the port of export of heat exchange coil 520Degree Celsius water enter and once spray Heat Room 300 from warm water entrance 311, and through shower plate 320On hole spray formation water smoke downwards, first water smoke carry out direct heat exchange with high-temperature flue gas, soAfter collect in the bottom that once sprays Heat Room 300, the water logging collecting do not have combustion barrel 330 and with combustionBurn the barrel of cylinder 330 and again realize heat exchange, the temperature of water is elevated to approximately 80 degrees Celsius, and fromHot water outlet 312 on a spray chamber body 310 is discharged, from the hot water of hot water outlet 312Under the swabbing action of water pump 600, be delivered to the heat exchange coil in aluminium material oxidation pond 500 via pipeline520 arrival end.
In running, water is once spraying the heat exchange dish in Heat Room 300 and aluminium material oxidation pond 500Pipe forms closed circuit between 520, and water is once spraying the interior absorption high-temperature flue gas of Heat Room 300Heat, when water flows through aluminium material oxidation pond 500, again to aluminium material oxidation pond 500 release heat, to itIn oxidation liquid medicine heat. When water is at the heat exchange coil 520 in aluminium material oxidation pond 500 and sprayWhile flowing between Heat Room 300, along with discharge and the evaporation of water process of high-temperature flue gas, the water yieldCan constantly reduce, therefore need supplementing water at any time, prevent combustion barrel dry combustion method. Supplementary water is from moisturizingMouth 315 enters and once sprays Heat Room 300. In this non-limiting embodiment, water supplement port 315Above the combustion barrel 330 once spraying in Heat Room 300 with middle temperature exhanst gas outlet 314 belowPosition is located on a sidewall that once sprays Heat Room 300.
In addition, as shown in Figure 5, once spray another sidewall of Heat Room 300 near shower plate 320Position near be provided with overfall 316, when once spray in Heat Room 300 dilutional hyponatremia time,If the water surface reaches the height of overfall 316, unnecessary water is discharged once by overfall 316Outside spray Heat Room 300, prevent that the water surface from flooding flue gas manifold 3311 on smoke exhaust pipe 331 andCause smooth and easyly discharging fume. In this non-limiting embodiment, once spraying Heat Room 300Short transverse on, be followed successively by by sequence of positions from top to bottom: combustion barrel 330, water supplement port 315,Overfall 316, flue gas manifold 3311, middle temperature exhanst gas outlet 314 and shower plate 320.
Secondary spraying Heat Room 400 comprises secondary spraying chamber body 410, secondary spraying chamber body 410On be provided with cold water inlet 411, middle temperature smoke inlet 412, low-temperature flue gas outlet 413, second heatWater out 414 and be arranged on the cold water spray head 415 of body 410 inside, secondary spraying chamber, cigaretteGas discharge tube 416 is connected in low-temperature flue gas outlet 413. Cold water enters by cold water inlet 411Enter secondary spraying Heat Room 400, and pass through cold water spray head 415 at secondary spraying chamber body 410Interior injection. From once spray Heat Room 300 the warm exhanst gas outlet 314 high-temperature flue gas warp of dischargingEnter secondary spraying Heat Room 400 by middle temperature smoke inlet 412, therein with cold water spray head 415The cold water ejecting carries out heat exchange, and the heat that cold water has fully absorbed high-temperature flue gas becomes hot water,Export 414 discharges from secondary hot water subsequently, and high-temperature flue gas goes out from low-temperature flue gas after heat exchangeMouth 413 discharge systems.
The flue-gas temperature that warm smoke inlet 412 enters from secondary spraying Heat Room 400 is approximately80 DEG C, the hot water temperature who exports 414 discharges from the secondary hot water of secondary spraying Heat Room 400 is approximately50 DEG C. Secondary hot water exports 414 and is connected with the water supplement port 315 that once sprays Heat Room 300, heatWater exports 414 from secondary hot water and flows to water supplement port 315, and enters into and once spray in Heat Room 300Portion. First water as heat transferring medium enter circulation from the cold water inlet of secondary spraying Heat Room, in additionThe water entering from here can also constantly replenish and once spray Heat Room 300 and aluminium material oxidation pond 500The water yield of middle circulation loss and the water yield of being taken away by flue gas, to be kept for heating aluminium material oxidation pondThe quantity of circulating water of the aluminium 900 in 500 is stable, thereby ensures good aluminium material oxidation effect.
In addition, on the flue gas exhausting pipe line 416 of secondary spraying Heat Room 400, backflow flue gas being setMouth 4165, backflow flue gas outlet 4165 covers of the wind by pipeline and biomass gasifying furnace 100 112Air inlet 1121 be connected, because flue gas is once spraying Heat Room 300 and secondary spraying heat exchangeIn chamber 400, contact and heat exchange with large water gaging, therefore in flue gas, be rich in steam, and the temperature of flue gasDrop to about 60 DEG C. In addition, by blower fan 800 to backflow flue gas outlet 4165 and living beingsIn pipeline between the air inlet 1121 of the wind cover 112 of gasification furnace 100, supplement air, to improve backThe oxygen content of stream flue gas. And the wind cover in backflow flue gas outlet 4165 with biomass gasifying furnace 100In pipeline between 112 air inlet 1121, be separately provided with blower fan 700, to attract to be rich in steamFlue gas and outside air flow towards the direction of wind cover 112, thereby make to be rich in steam and oxygenGasifying agent enters wind cover 112, subsequently gasifying agent from wind overlaps 112 preheatings through by reaction gas inlet1113 enter in body of heater 110, thereby produce biogas with the gasification reaction that promotes biomass material.
As shown in Figure 1, aluminium material oxidation pond 500 is for the oxidation reaction of aluminium 900, the oxygen of aluminiumChange need to keep certain temperature and aluminium is immersed in oxidation liquid medicine and is completed, and therefore needs oxygenChemical drug water is warmed up to certain temperature could obtain good oxidation effectiveness. Aluminium material oxidation Chi500BaoDraw together and hold the pond body 510 of aluminium 900 and oxidation liquid medicine and be arranged on the heat exchange dish in pond body 510Pipe 520, heat exchange coil 520 has arrival end 521 and the port of export 522, and arrival end 521 is logicalPiping is connected with the hot water outlet 312 that once sprays Heat Room 300, and the port of export 522 withThe warm water entrance 311 that once sprays Heat Room 300 is connected, thereby is once spraying Heat Room 300And between heat exchange coil 520, form water-flow circuit, hot water outlet 312 and arrival end 521 itBetween be also provided with water pump 600 to improve pressure and the speed of water flow. Heat exchange coil 520 is at aluminiumThe bottom of oxidation pond 500 is set to multiple pipelines that bending is arranged in parallel or is set to annular arrayShape, to increase heat exchange area, thereby the heat of hot water is passed to oxidation liquid medicine efficiently,The hot water temperature who enters heat exchange coil 520 is approximately 80 DEG C, and the heat of discharging from heat exchange coil 520Coolant-temperature gage is approximately 60 DEG C. Hot water absorbs high temperature after getting back to and once spraying heat-exchanging chamber 300 once moreThe heat of flue gas, temperature rises to about 80 DEG C again, and cycle heat exchange in loop again. DoFor the water of heat transferring medium can be continuously from once spraying heat exchanger 300 and secondary spraying heat exchangeIn the flue gas of device 400, obtain heat, thereby bring the medicine of the oxidation in aluminium material oxidation pond 500 by heatWater, realizes the high-temperature oxydation of aluminium, meets the temperature requirements of oxidation reaction.
Although described preferred embodiment of the present utility model in detail at this, should be understood that thisUtility model is not limited to the concrete structure of describing in detail and illustrating here, is not departing from this practicalityIn novel essence and the situation of scope can by those skilled in the art realize other modification andVariant. For example, multiple Heat Rooms that once spray can be set to reach better heat exchange effect,Or in the utility model scope of disclosure, improve as required the burning that once sprays Heat RoomThe heat demand that temperature is reacted to meet different aluminium material oxidations, or do not adopt secondary spraying heat exchangeChamber and directly by water pump to once spraying Heat Room moisturizing. In addition various in the utility model,Parameter can suitably be chosen according to concrete application conditions in scope disclosed in the utility model.
Claims (10)
1. an aluminium material oxidation heating system that adopts biomass gasifying furnace, comprising: for containing aluminumMaterial is processed with the aluminium material oxidation pond of oxidation liquid medicine and is located in described aluminium material oxidation pond for heatingAluminium is processed the heat exchange coil with oxidation liquid medicine, it is characterized in that: described employing biomass gasifying furnaceAluminium material oxidation heating system further comprise:
For the biomass gasifying furnace of biological fuel gas is provided, described biomass gasifying furnace comprises gasificationFurnace body, be located in described gasification furnace body described gasification furnace body interior spatial separation as being positioned atDescribed gasification furnace is located at the gasification reactor chamber of middle and upper part and the fire grate, the interval that are positioned at the air compartment of bottomBody top and the biomass material charging aperture being communicated with described gasification reactor chamber and biogas outlet,And the gasification agent inlet of being located at described gasification furnace body bottom and being communicated with described air compartment;
For the biomass fuel that burns and export from the described biogas of described biomass gasifying furnaceThe burner of gas; And
Once spray Heat Room, the described Heat Room that once sprays comprises spray chamber body, is located atThe passing through hole, be located at a described spray chamber body other end of described spray chamber body one end wallThe middle temperature exhanst gas outlet of wall, be located at a described spray chamber body top and by pipeline with described in changeAt least one warm water entrance that the port of export of hot coil is communicated with, be located under a described spray chamber bodyPortion and the hot water outlet being communicated with the arrival end of described heat exchange coil by pipeline, be located at described in onceThe combustion barrel of spray chamber body interior and be located at a described spray chamber body interior and be positioned at instituteState the shower plate of combustion barrel top;
Wherein, described combustion barrel comprises described another end wall of a contiguous described spray chamber bodyBlind end, through a described spray chamber body described by hole to the described Heat Room that once spraysThe outside openend extending and between described blind end and described openend from described combustion barrelThe smoke exhaust pipe that sidewall extends to described shower plate direction, the described openend of described combustion barrel with described inBurner is connected.
2. the aluminium material oxidation heating system of employing biomass gasifying furnace as claimed in claim 1, itsBe characterised in that, described smoke exhaust pipe forms blind end away from one end of described combustion barrel, contiguous described envelopeClosed end stretches out and forms at least three flue gas manifolds along the radial direction of described smoke exhaust pipe.
3. the aluminium material oxidation heating system of employing biomass gasifying furnace as claimed in claim 2, itsBe characterised in that, the described Heat Room that once sprays further comprises and being located on a described spray chamber bodyWater supplement port.
4. the aluminium material oxidation heating system of employing biomass gasifying furnace as claimed in claim 3, itsBe characterised in that, further comprise secondary spraying Heat Room, described secondary spraying Heat Room comprises secondarySpray chamber body, be located at described secondary spraying chamber body roof low-temperature flue gas outlet, be located at described inSecondary hot water's outlet of secondary spraying chamber body diapire, contiguous described secondary spraying chamber body diapire are establishedIn the middle temperature smoke inlet of described secondary spraying chamber body sidewall, contiguous described secondary spraying chamber bodyRoof is located at cold water inlet and the contiguous described secondary spraying of described secondary spraying chamber body sidewallChamber body roof is located at the cold water spray head of described secondary spraying chamber body interior, wherein, and described twoThe described middle temperature smoke inlet of inferior spray Heat Room is by pipeline and the described Heat Room that once spraysDescribed middle temperature exhanst gas outlet is communicated with, and described secondary hot water's outlet of described secondary spraying Heat Room is passed throughPipeline is communicated with the described described water supplement port that once sprays Heat Room, and described cold water spray head is by pipeLine is communicated with described cold water inlet.
5. the aluminium material oxidation heating system of employing biomass gasifying furnace as claimed in claim 4, itsBe characterised in that, described biomass material charging aperture is located at the sidewall of described gasification furnace body, described biologyThe roof of described gasification furnace body is located in the outlet of matter gas, and described gasification agent inlet is located at described gasification furnaceThe diapire of the sidewall of body and contiguous described gasification furnace body.
6. the aluminium material oxidation heating system of employing biomass gasifying furnace as claimed in claim 5, itsBe characterised in that, further comprise filter chamber, described filter chamber comprise filter chamber's body for being filled with water,Interval is located at the biogas entrance of described filter chamber top and clean gas outlet, from described lifeMaterial gas entrance extends to the mozzle below the water surface in described filter chamber, and described biogas entersMouth is communicated with the described biogas outlet of described biomass gasifying furnace by pipeline, described clean combustionGas outlet is connected to described burner by pipeline.
7. the aluminium material oxidation heating system of employing biomass gasifying furnace as claimed in claim 6, itsBe characterised in that, described burner comprises housing, is located at the fuel gas inlet of described housing one end, is located atThe flame export of the described housing other end, at least one rotational flow air of being located at described housing sidewall enterMouth and contiguous described flame export are located at the porous filter plate in housing, and described fuel gas inlet is logicalCross pipeline and be communicated with the described clean gas outlet of described filter chamber, described flame export and describedThe described openend of the described combustion barrel of inferior spray Heat Room is communicated with.
8. the aluminium material oxidation heating system of employing biomass gasifying furnace as claimed in claim 7, itsBe characterised in that, described at least one rotational flow air entrance is along the tangent line side of the housing of described burnerTo setting.
9. the aluminium material oxidation heating system of employing biomass gasifying furnace as claimed in claim 5, itsBe characterised in that, described in described biomass gasifying furnace further comprises and being located at around described gasification reactor chamberThe wind cover of gasification furnace body sidewall, described wind cover comprises air inlet and air outlet, described air outlet is logicalCrossing pipeline is communicated with described gasification agent inlet.
10. the aluminium material oxidation heating system of employing biomass gasifying furnace as claimed in claim 9,It is characterized in that, smoke discharge pipe is passed through in the described low-temperature flue gas outlet of described secondary spraying Heat RoomRoad is connected to chimney, backflow flue gas outlet is set, described backflow flue gas on described flue gas exhausting pipe lineOutlet is communicated with the described air inlet of the described wind cover of described biomass gasifying furnace by pipeline.
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| CN201520892543.9U CN205258607U (en) | 2015-11-09 | 2015-11-09 | Adopt aluminum product oxidation heating system of biomass gasification stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237741A (en) * | 2018-11-29 | 2020-06-05 | 天津盛世新源能源科技有限公司 | Moving bed biomass gasification burner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237741A (en) * | 2018-11-29 | 2020-06-05 | 天津盛世新源能源科技有限公司 | Moving bed biomass gasification burner |
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