CN105369230B - Using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace - Google Patents
Using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace Download PDFInfo
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- CN105369230B CN105369230B CN201510762299.9A CN201510762299A CN105369230B CN 105369230 B CN105369230 B CN 105369230B CN 201510762299 A CN201510762299 A CN 201510762299A CN 105369230 B CN105369230 B CN 105369230B
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- General Engineering & Computer Science (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The invention discloses a kind of low-carbon formula aluminium material oxidation heating systems using biomass gasifying furnace, comprising: biomass gasifying furnace, burner, level-one spray Heat Room, second level spray Heat Room and aluminium material oxidation pond.The biogas generated in biomass gasifying furnace burns in burner, and it is sprayed in Heat Room and second level spray Heat Room in level-one and carries out heat exchange with water, for the heat exchange coil that the hot water obtained after heat exchange enters in aluminium material oxidation pond to heat aluminium material oxidation liquid medicine, the partial fume being discharged from second level spray Heat Room reenters biomass gasifying furnace burning.Partial fume is drained return biomass gasifying furnace and utilized again, take full advantage of fume afterheat and low-carbon environment-friendly by the present invention using the oxidation liquid medicine in the heat aluminium material oxidation pond of biomass fuel combustion generation.
Description
Technical field
The present invention relates to a kind of aluminium processing system, in particular to a kind of aluminium material oxidation heating system.
Background technique
Gasification of biomass is using biomass as raw material, under the action of the gasifying agents such as oxygen, vapor or hydrogen, in high temperature
Under the conditions of by thermal chemical reaction, by the process for being partially converted into combustible gas flammable in biomass.Biomass gasification process exists
Fundamental reaction under different condition includes: C+O2=CO2；CO2+ C=2CO；H2O+C=CO+H2Equal chemical reaction processes, biomass
The gas componant generated when gasification mainly includes H2、CH4With CO etc., this fuel gas is usually known as biological fuel gas.Biology
Matter fuel has the advantage different from traditional fuel as a kind of novel fuel, such as the energy of biomass fuel comes from
To nature CO when biomass growth2Absorption, it is typical low-carbon fuel that the content of fixed carbon, which is 15% or so, and
And the sulfur content of biomass fuel is low, nitrogen content is low, and environmental pollution is small, and due to its derive from agriculture and forestry organic waste material, cycling deposition,
It is low in cost, therefore the development and application of biomass fuel are increasingly taken seriously.
It is had begun in aluminium producing at present and provides thermal energy using biomass fuel, for example, by using biomass fuel energy supply
Aluminium melting furnace.And aluminium material oxidation pond is also the common aluminium product equipment of industry, is needed for aluminium to be immersed in oxidation liquid medicine, and
Oxidation liquid medicine is heated to certain temperature, to meet the needs of aluminium material oxidation reaction.In current aluminium producing, need to carry out
A large amount of aluminium material oxidation processing, demand for energy is big, severe using traditional fuel bring problem of environmental pollution, therefore how will
It is also industry urgent problem in aluminium material oxidation processing production process that biomass fuel, which is applied to,.
A kind of biomass double furnace thorax ultrahigh temperature combustion machine provided such as Chinese patent application 201310177571.8, comprising:
Loading hopper, air blower, the first burner hearth and the second burner hearth；The discharge port of loading hopper is connected to the first burner hearth, the first burner hearth
It is connected to the second burner hearth, the second burner hearth is equipped with bocca；The air outlet of air blower is connected to the first burner hearth and the second burner hearth respectively.
Biomass double furnace thorax first burner hearth of ultrahigh temperature combustion machine is directly to burn, and the second burner hearth is gasification, and combustion.First burner hearth passes through
Directly burning can be by flue gas to 800 DEG C, and the second burner hearth can be made 800 DEG C of flue gas by gasification, and combustion by gasification function
Crater flue gas is increased to 1250 DEG C or so, increases the calory burning of biomass fuel and flue gas to meet the need of casting aluminum melting
It asks.
A kind of for another example aluminium melting furnace that Chinese patent application 201420852077.7 provides, including aluminium melting furnace, burner noz(zle), storage
Hot device, flue, distribution pipe, smoke exhaust fan, flue gas cleaner, combustion fan, air pipeline, fuel channel, gas pipeline,
High-temperature blower, biomass gasifying furnace, the upper end of aluminium melting furnace is respectively arranged with flue and storage heater, and flue is passed through and stored
Hot device is connect with smoke exhaust fan, and the rear end of smoke exhaust fan is connected with flue gas cleaner and discharge tube, the lower end setting of storage heater
There is burner noz(zle), burner noz(zle) is connect with air pipeline, fuel channel, gas pipeline respectively by distribution pipe, and air pipeline is worn
Storage heater is connect with combustion fan out, and gas pipeline is connect by high-temperature blower with biomass gasifying furnace, fuel channel and fuel
Storehouse connection, the fuel gas that biomass gasifying furnace conversion produces is transported in distribution pipe by high-temperature blower, and is sprayed through burning
Mouth burns and heats to aluminium melting furnace inside, and the high-temperature flue gas generated in combustion process is discharged from flue, and high-temperature flue gas is storing
Cold air is preheated in hot device.
Technology disclosed in above-mentioned two pieces patent/patent application carries out heating melting to aluminium using biogas, and
And Chinese patent application 201420852077.7 also utilize from aluminium melting furnace be discharged high-temperature flue gas to the cold air in storage heater into
Row preheating, improves the utilization efficiency of energy, however above-mentioned technology is only limitted to heat aluminium melting furnace using biogas, raw
Land use systems of the substance gas in aluminium production process manufacturing process are limited, and energy-provision way is single, and above-mentioned technology is in the presence of scarce
Point is insufficient, such as: (1), using the calory burning of biogas aluminium is heated, also containing a large amount of in the flue gas of discharge
Combustible component, however above-mentioned technology is not used again to the combustible component in discharge flue gas, but flue gas is direct
It is emitted into atmosphere, therefore results in the waste of the energy, the thermal efficiency is not high；(2), there is also a large amount of harmful components, warps in flue gas
It is directly discharged to external environment after crossing primary combustion, it is big to the harm of environment；(3), also contain a large amount of heat in high-temperature flue gas,
Cold air is preheated in a heat exchanger only with high-temperature flue gas in above-mentioned technology, and not using other UTILIZATION OF VESIDUAL HEAT IN modes, it is right
There are limitation, low efficiencys for the mode of UTILIZATION OF VESIDUAL HEAT IN.
Therefore it provides a kind of heat generated that biogas can burn is applied to aluminium oxidation furnace and being capable of abundant benefit
Become urgent problem in the industry with the low-carbon formula aluminium material oxidation heating system using biomass gasifying furnace of fume afterheat.
Summary of the invention
The object of the present invention is to provide a kind of heats generated that biogas can burn to be applied to aluminium material oxidation furnace, energy
It enough makes full use of fume afterheat and significantly reduces the aluminium material oxidation heating system of carbon dioxide in flue gas content.
According to the solution of the present invention, a kind of low-carbon formula aluminium material oxidation heating system using biomass gasifying furnace is provided, is wrapped
It includes: being handled with the aluminium material oxidation pond of oxidation liquid medicine and in aluminium material oxidation pond for heating aluminium for holding aluminium processing
With the heat exchange coil of oxidation liquid medicine.This further comprises using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace: using
In the biomass gasifying furnace of offer biological fuel gas；Burner for the biological fuel gas from biomass gasifying furnace that burns；
And Heat Room is once sprayed, the primary Heat Room that sprays includes a spray chamber ontology, is set to one end wall of spray chamber ontology
Through hole, set on an another end wall of spray chamber ontology medium temperature exhanst gas outlet, be set to a spray chamber body upper part and logical
It crosses at least one warm water entrance that pipeline is connected to the outlet end of heat exchange coil, set on a spray chamber body lower part and pass through pipe
Hot water outlet that line is connected to the arrival end of heat exchange coil, set on spray chamber body interior combustion barrel and be set to one
Secondary spray chamber body interior and the shower plate being located above combustion barrel.Wherein, combustion barrel includes a neighbouring spray chamber ontology
The closed end of another end wall, across a spray chamber ontology through hole to the open end extended outside primary spray Heat Room,
And the smoke exhaust pipe that spontaneous combustion cylinder side wall extends to shower plate direction between closed end and open end, the open end of combustion barrel with
Burner is connected spraying flame to burning cylinder roasting heat release, so that spraying from least one warm water entrance via shower plate
It drenches to the indoor water of primary spray heat exchange and primary heating, then the barrel by combustion barrel is first carried out by the high-temperature flue gas of smoke exhaust pipe discharge
It is delivered in heat exchange coil by pipeline after carrying out reheating to heat the processing of the aluminium in aluminium material oxidation pond oxidation liquid medicine.
Preferably, smoke exhaust pipe forms closed end, radial direction of the neighbouring closed end along smoke exhaust pipe far from one end of combustion barrel
At least two flue gas manifolds are extended outward to form, so that the flue gas in combustion barrel sprays into one via at least two flue gas manifolds
It exchanges heat in secondary spray Heat Room with water, the flue gas after heat exchange carries part aqueous vapor and changes via the primary spray of medium temperature exhanst gas outlet discharge
Hot cell.
Selectively, neighbouring closed end extends outward to form at least four flue gas manifolds along the radial direction of smoke exhaust pipe, and
And at least four flue gas manifold be arranged at equal intervals around smoke exhaust pipe so that flue gas is equably indoor each to primary spray heat exchange
Direction injection, so that flue gas can be accessed via the water that shower plate is sprayed to each region in primary spray Heat Room.
Preferably, once spray Heat Room further comprises the water supplement port on a spray chamber ontology, is used for one
The moisture that supplement is taken away by flue gas in secondary spray Heat Room.Any position on a spray chamber ontology can be set in water supplement port
It sets, such as roof, side wall, front bulkhead or aft bulkhead.
Selectively, at least one warm water entrance can be set to the roof of a spray chamber ontology, or neighbouring roof is set
In side wall or end wall；Hot water outlet can be set to the bottom wall of a spray chamber ontology or adjacent bottom wall is set to side wall or end wall.
Selectively, once spray Heat Room is further provided with overflow port, and overflow port can be set in the middle part of gasification furnace body
Any position, such as side wall or end wall.
Selectively, in the once short transverse of spray Heat Room, successively by sequence of positions from top to bottom are as follows: hot water
Outlet, combustion barrel, water supplement port, overflow port, flue gas manifold, medium temperature exhanst gas outlet, shower plate and warm water entrance.
It selectively, further comprise secondary spraying Heat Room, secondary spraying Heat Room includes secondary spraying room ontology, sets
Low-temperature flue gas outlet in secondary spraying room ontology roof, the secondary hot water set on secondary spraying room ontology bottom wall export, are neighbouring
Secondary spraying room ontology bottom wall is set to the medium temperature smoke inlet of this body sidewall of secondary spraying room, neighbouring secondary spraying room ontology roof
Secondary spraying room ontology is set to set on the cold water inlet of this body sidewall of secondary spraying room and neighbouring secondary spraying room ontology roof
Internal cold water spray head, wherein the medium temperature smoke inlet of secondary spraying Heat Room sprays Heat Room by pipeline and once
The connection of medium temperature exhanst gas outlet, the water supplement port that the secondary hot water outlet of secondary spraying Heat Room passes through pipeline and primary spray Heat Room
Connection, cold water spray head are connected to will be sprayed to secondary spraying room ontology from external cold water with cold water inlet by pipeline
It is interior, so that the cold water sprayed in secondary spraying Heat Room is heated into delivery to one by the flue gas from primary spray Heat Room
To supplement the moisture taken away in flue gas in secondary spray Heat Room.
Selectively, biomass gasifying furnace includes gasification furnace body, is set to gasification furnace body interior in gasification furnace body
Space is divided into the fire grate of the gasification reactor chamber positioned at middle and upper part and the air compartment positioned at lower part, interval is set on gasification furnace body
Portion and the biomass material feed inlet and biogas that are connected to gasification reactor chamber outlet and be set to gasification furnace body lower part and with
The gasification agent inlet of air compartment connection.
Selectively, biomass material feed inlet and biogas outlet can be spaced set on any of gasification furnace body upper part
Position, such as side wall or roof.For example, biomass material feed inlet can be set on the side wall of gasification furnace body, biogas goes out
Mouth can be set to the roof of gasification furnace body.Gasification agent inlet can be set to any position of gasification furnace body lower part, for example set
Side wall is set in bottom wall or adjacent bottom wall.
Selectively, which further comprises exporting for cleaning biogas of the filtering from biomass gasifying furnace
The filter chamber of biogas, filter chamber include that filter chamber's ontology for being filled with water, interval are set to the biogas of filter chamber top
Entrance and clean gas outlet extend to water surface diversion pipe below, biogas from biogas entrance into filter chamber
Entrance carries out water by the biogas outlet of pipeline and biomass gasifying furnace biogas to be delivered in filter chamber
Filtered clean fuel gas is delivered to burner combustion by pipeline by lower filtering, clean gas outlet.
Preferably, burner includes that shell, the fuel gas inlet set on shell one end, the flame set on the shell other end go out
The porous filter plate that mouth, at least one rotational flow air entrance set on housing sidewall and neighbouring flame export are set in the housing,
Fuel gas inlet passes through the clean gas outlet of pipeline and filter chamber, flame export and the once combustion barrel of spray Heat Room
Open end connection.
Selectively, porous filter plate can be filter plate of porous ceramic, honeycomb ceramic plate or other heat-resisting material systems
At porous plate.
Preferably, the self-styled closed end of combustion barrel is in gradually-reducing shape to open end, i.e., in horn-like, so that flame is in combustion barrel
Combustion heat release.Wherein, it seals or welds using temperature resistant encapsulation part between combustion barrel and through hole.
Preferably, at least one rotational flow air entrance is arranged along the tangential direction of the shell of burner, so that via extremely
The air that a few rotational flow air entrance enters forms eddy flow in shell.
It is highly preferred that biomass gasifying furnace further comprises the wind for being set to gasification furnace body side wall around gasification reactor chamber
Set, windband include air inlet and air outlet, and air outlet is connected to by pipeline with gasification agent inlet.
Selectively, the low-temperature flue gas of secondary spraying Heat Room, which is exported, is connected to chimney, flue gas by flue gas exhausting pipe line
Backflow flue gas is arranged on discharge tube to export, backflow flue gas outlet is connected by the air inlet of the windband of pipeline and biomass gasifying furnace
Passing to will be enriched in the partial fume of steam and is back to biomass gasifying furnace as gasifying agent.
The partial fume rich in steam being back in windband high-temperature water is heated by the furnace wall of biomass gasifying furnace to steam
The gaseous mixture of vapour and flue gas enters the gasifying agent in biomass gasifying furnace as biomass gasification reaction via gasification agent inlet.
This is not only avoided that energy dissipation, but also can improve the reaction efficiency of gasification furnace.
Selectively, further comprise for the outlet of the backflow flue gas of secondary spraying Heat Room and the air inlet of windband it
Between pipeline in supplement air blower.
Wherein, the edge of shower plate is engaged with the inner surface of a spray chamber ontology of primary spray Heat Room.
Wherein, water forms circulation loop, water flow between the heat exchange coil in once spray Heat Room and aluminium material oxidation pond
Cross oxidation liquid medicine release heat of the heat exchange coil into aluminium material oxidation pond.
Selectively, 70 DEG C~90 DEG C are set as into the hot water temperature of the heat exchange coil in aluminium material oxidation pond, and from heat exchange plate
The hot water temperature of pipe discharge is set as 50 DEG C~70 DEG C.
Selectively, about 70 DEG C~90 are set as from the flue-gas temperature that the medium temperature smoke inlet of secondary spraying Heat Room enters
DEG C, the hot water temperature for exporting discharge from the secondary hot water of secondary spraying Heat Room is set as about 40 DEG C~60 DEG C, changes from secondary spraying
The flue-gas temperature of the low-temperature flue gas outlet discharge in hot cell is set as about 50 DEG C~70 DEG C.
Selectively, what the heat exchange coil in aluminium material oxidation pond can be set to be sequentially connected end to end in turn is arranged in parallel multiple
Pipeline or the pipeline for being set as coiled coil.
The beneficial effects of the present invention are: (1), aluminium material oxidation heating production process in use biogas combustion heat supplying,
Land use systems of the biomass fuel in aluminium producing are increased, many advantages of biomass fuel, low-carbon ring are taken full advantage of
It protects, and sulfur content due to biomass fuel and nitrogen content are low, small pollution of the environment；(2), using water as heat exchange medium
Heat exchange is carried out between the heat exchange coil in the flue gas that burner is discharged and aluminium material oxidation pond, to the oxygen in aluminium material oxidation pond
The heating effect of chemical drug water is stablized, and is easy to guarantee to aoxidize liquid medicine and is in the suitable temperature ranges for being suitable for aluminium material oxidation；(3), it uses
Primary spray Heat Room and secondary spraying Heat Room are total to two-stage heat-exchange system, take full advantage of high-temperature flue gas waste heat, improve combustion
The thermal efficiency of material, and the mode for being all made of in two-stage heat-exchange system water spray realizes the heat exchange of flue gas and water, heat exchange effect
Rate is high, in addition, increasing heat exchange using the multiple flue gas manifolds being arranged on smoke exhaust pipe in the once combustion barrel of spray Heat Room
Area, and heat exchange further is carried out using burning barrel and water, substantially increase heat exchanger effectiveness；(4), flue gas passes through
Branch pipe on the flue gas exhausting pipe line of secondary spraying Heat Room returns to biomass gasifying furnace and rekindles, and is subject to again to high-temperature flue gas
It utilizes, reduces the direct emission amount of high-temperature flue gas, improve the utilization rate of waste heat of high-temperature flue gas, and flue gas passes through again
The discharge amount of carbon dioxide and oxynitrides is greatly reduced in circulating combustion, reduces the pollution level to environment；(5), lead to
The high-temperature flue gas that branch pipe returns to biomass gasifying furnace and burns again is crossed, due to before in once spray Heat Room and secondary spraying
Heat exchange is carried out in Heat Room with shower water, therefore the partial fume is rich in vapor, is conducive to the gasified reverse of biomass material
Process is answered, the generation of biogas can be promoted；(6), windband adds gasifying agent using the gasification reaction waste heat of gasification furnace
Heat further improves the reaction efficiency of biomass gasifying furnace；(7), two-stage spray Heat Room and aluminium material oxidation pond structure and
Connection type is simple, convenient for carrying out reducing energy consumption and low in cost to existing aluminium material oxidation pond, suitable for being widely used to promote.
Detailed description of the invention
Fig. 1 shows the schematic diagram of the low-carbon formula aluminium material oxidation heating system of the invention using biomass gasifying furnace.
Fig. 2 shows the gasification of biomass of the low-carbon formula aluminium material oxidation heating system of the invention using biomass gasifying furnace
The schematic diagram of furnace.
Fig. 3 shows showing for the burner of the low-carbon formula aluminium material oxidation heating system of the invention using biomass gasifying furnace
It is intended to.
The primary spray that Fig. 4 shows the low-carbon formula aluminium material oxidation heating system of the invention using biomass gasifying furnace changes
The main view in hot cell.
The primary spray that Fig. 5 shows the low-carbon formula aluminium material oxidation heating system of the invention using biomass gasifying furnace changes
The side view in hot cell.
Specific embodiment
Fig. 1 is please referred to, a kind of embodiment according to the present invention is added using the low-carbon formula aluminium material oxidation of biomass gasifying furnace
Hot systems include: biomass gasifying furnace 100, burner 200, primary spray Heat Room 300, secondary spraying Heat Room 400, aluminium
Oxidation pond 500, water pump 600, blower 700.
As shown in Fig. 2, biomass gasifying furnace 100 includes the furnace body 110 for generating biogas.Furnace body 110 includes this
Body 111, positioned at 111 middle and lower part of ontology and be arranged around ontology 111 windband 112, be located at the furnace of 111 inside upper position of ontology
Row 113 and the feeding lines 114 on the side wall of ontology 111.The side wall of ontology 111 is equipped with biomass material feed inlet
1112,1111 are exported for the biogas of biogas to be discharged, is equipped with gasification agent inlet in the side wall upper position of ontology 111
1113, the air outlet 1122 of windband 112 is connected for gasifying agent to be sent into inside furnace body 110 with gasification agent inlet 1113.Come
Enter ontology 111 from the biomass material of feeding lines 114 from biomass material feed inlet 1112, and be deposited on fire grate 113, in furnace
Gasification reaction area is formed at the top of row 113, and biomass material occurs one in the gasification reaction area and air, water vapour, backflow flue gas
Serial gasification reaction, to generate biogas, ontology 111 is discharged via biogas outlet 1111 in generated biogas,
And filter chamber 120 is then entered by pipeline and is filtered, subsequently into burning in burner 200.
The downstream of furnace body 110 is arranged in filter chamber 120, and the biogas being discharged from furnace body 110 enters filtering by pipeline
Room 120.Water is accommodated in filter chamber 120, the pipeline that filter chamber 120 is connected with furnace body 110 extends into filter chamber 120
Liquid level hereinafter, the also other connecting pipe in the top of filter chamber 120 with by filtered biogas be discharged biomass gasifying furnace
100.Wherein, the biogas from furnace body 110 is sent directly into the liquid level of filter chamber 120 hereinafter, biogas exists via pipeline
It is moved from bottom to top in water, removes the substances such as impurity, tar for carrying secretly in gas, obtain more clean biogas and from pipe
Filter chamber 120 is discharged in road.
Fig. 3 is the schematic diagram of burner 200.Burner 200 includes shell 210, the fuel gas inlet set on 210 one end of shell
211, set on the flame export 212 of 210 other end of shell, set on the rotational flow air entrance 213 of 210 side wall of shell and neighbouring
Flame export 212 is set to the porous filter plate 220 in shell 210.In the non-limiting embodiment, porous filter plate 220
It is manufactured using porous ceramic film material, for further removing tar and impurity in biogas.
Outside air enters burner 200 from rotational flow air entrance 213, so that the air-flow in burner 200 is in eddy flow shape
Movement, rotational flow air realize combustion-supporting effect simultaneously.Clean biogas from filter chamber 120 is via pipeline from shell 210
Fuel gas inlet 211 enters inside shell 210, and under rotational flow air effect, the biogas to burn in shell 210 can be rotating
It is moved towards porous filter plate 220, forms swirl flow combustion form, to guarantee the burning that is sufficiently mixed of biogas and air, height
The burning gases of warm high pressure can be moved by the hole on porous filter plate 220, and towards flame export 212, then from flame
212 discharge burner 200 of outlet.
Fig. 4 and Fig. 5 shows the schematic diagram of primary spray Heat Room 300.Primary spray Heat Room 300 includes primary spray
Room ontology 310, the combustion barrel 330 being arranged in a spray chamber ontology 310 and the close primary spray above combustion barrel 330
Drench the shower plate 320 at the top of room ontology 310.Be provided on spray chamber ontology 310 through hole 313 positioned at front bulkhead,
Medium temperature exhanst gas outlet 314 positioned at aft bulkhead, the warm water entrance 311 positioned at roof, positioned at bottom wall hot water outlet 312, be located at
The water supplement port 315 of one side wall and overflow port 316 positioned at another side wall.The quantity of warm water entrance 311 can be multiple.Spray
The edge of plate 320 is engaged with the inner surface of a spray chamber ontology 310, is provided with multiple hole water supply streams and is passed through.Burning
Cylinder is provided with smoke exhaust pipe 331 on 330 directions vertical with its axis, and four flue gas manifolds are equidistantly provided on smoke exhaust pipe 331
3311, four flue gas manifolds 3311 extend outwardly along the radial direction of smoke exhaust pipe 331.Pass through control warm water entrance 311 and hot water
The flow of outlet 312 is always positioned at the position of four flue gas manifolds 3311 above the water surface in primary spray Heat Room 300,
And the position of combustion barrel 330 is always positioned under the water surface in primary spray Heat Room 300.
Smoke exhaust pipe 331 is connected with combustion barrel 330.One end of combustion barrel 330 is threaded through hole 313 and burner 200
Flame export 212 is directly connected to, the other end closing of combustion barrel 330 and a spray chamber for being located at primary spray Heat Room 300
In ontology 310, the high-temperature flue gas being discharged from the flame export 212 of burner 200 is directly entered the combustion of primary spray Heat Room 300
Cylinder 330 is burnt, and the sustained combustion in combustion barrel 330, the barrel that the heat for release of burning passes through combustion barrel 330 first pass to one
Water in secondary spray Heat Room 300.Flue gas manifold of the high-temperature flue gas that burning is formed from the smoke exhaust pipe 331 on combustion barrel 330
3311 are discharged in a spray chamber ontology 310 and carry out direct heat exchange, heat exchange with the water mist sprayed from shower plate 320
Finally primary spray Heat Room 300 is discharged from medium temperature exhanst gas outlet 314 in all flue gases afterwards.
As shown in figure 5, the section of combustion barrel 330 is rounded, squarely or rectangle can also be set as needed.Primary spray
The warm water entrance 311 of Heat Room 300 is connected by pipeline with the outlet end of the heat exchange coil 520 in aluminium material oxidation pond 500, is come
Enter primary spray Heat Room 300 from about 50 degrees Celsius of water of the outlet end of heat exchange coil 520 from warm water entrance 311, and passes through
The hole crossed on shower plate 320 sprays form water mist downwards, and water mist carries out direct heat exchange with high-temperature flue gas first, then collects
In the lower part of once spray Heat Room 300, the water submerged combustion barrel 330 collected simultaneously realizes heat with the barrel of combustion barrel 330 again
Exchange, the temperature of water is increased to about 80 degrees Celsius, and is discharged from the hot water outlet 312 on a spray chamber ontology 310, Lai Zire
The hot water of water out 312 is under the swabbing action of water pump 600 via the heat exchange coil in pipeline to aluminium material oxidation pond 500
520 arrival end.
In operational process, water is once being formed between spray Heat Room 300 and the heat exchange coil 520 in aluminium material oxidation pond 500
Circulation loop, water absorbs the heat of high-temperature flue gas in once spray Heat Room 300, when water flows through aluminium material oxidation pond 500, and to
Aluminium material oxidation pond 500 discharges heat, heats to oxidation liquid medicine therein.When heat exchange coil of the water in aluminium material oxidation pond 500
When flowing between 520 and spray Heat Room 300, with the discharge of high-temperature flue gas and the evaporation process of water, water can constantly subtract
It is few, it is therefore desirable to supplement water at any time, prevent combustion barrel dry combustion method.The water of supplement enters primary spray Heat Room from water supplement port 315
300.In the non-limiting embodiment, water supplement port 315 is above the combustion barrel 330 in once spray Heat Room 300 in
The position of warm 314 lower section of exhanst gas outlet is set in the one side wall of primary spray Heat Room 300.
In addition, as shown in figure 5, once another side wall of spray Heat Room 300 is nearby arranged close to the position of shower plate 320
There is overflow port 316, it is more if the water surface reaches the height of overflow port 316 when the dilutional hyponatremia in once spray Heat Room 300
Remaining water is discharged except primary spray Heat Room 300 by overflow port 316, the flue gas discrimination for preventing the water surface from flooding on smoke exhaust pipe 331
Pipe 3311 and cause smooth to discharge fume.In the non-limiting embodiment, in the short transverse of once spray Heat Room 300
On, successively by sequence of positions from top to bottom are as follows: combustion barrel 330, water supplement port 315, overflow port 316, flue gas manifold 3311, medium temperature
Exhanst gas outlet 314 and shower plate 320.
Secondary spraying Heat Room 400 includes secondary spraying room ontology 410, is provided with cold water on secondary spraying room ontology 410
Entrance 411, medium temperature smoke inlet 412, low-temperature flue gas outlet 413, secondary hot water outlet 414 and setting are in secondary spraying room sheet
Cold water spray head 415 inside body 410, flue gas exhausting pipe line 416 are connected in low-temperature flue gas outlet 413.Cold water passes through cold water
Entrance 411 enters secondary spraying Heat Room 400, and is sprayed in secondary spraying room ontology 410 by cold water spray head 415.From
The high-temperature flue gas that the medium temperature exhanst gas outlet 314 of primary spray Heat Room 300 is discharged enters secondary spray via medium temperature smoke inlet 412
Heat Room 400 is drenched, carries out heat exchange in the cold water wherein ejected with cold water spray head 415, cold water has fully absorbed high temperature cigarette
The heat of gas becomes hot water, and then from 414 discharge of secondary hot water outlet, and high-temperature flue gas goes out after heat exchange from low-temperature flue gas
413 discharge systems of mouth.
The flue-gas temperature entered from the medium temperature smoke inlet 412 of secondary spraying Heat Room 400 is about 80 DEG C, from secondary spray
The hot water temperature for drenching 414 discharge of secondary hot water outlet of Heat Room 400 is about 50 DEG C.Secondary hot water outlet 414 and primary spray
The water supplement port 315 of leaching Heat Room 300 is connected, and hot water flows to water supplement port 315 from secondary hot water outlet 414, and enters primary
It sprays inside Heat Room 300.Water as heat transferring medium enters circulation from the cold water inlet of secondary spraying Heat Room first, in addition
The water of the circulation loss in once spray Heat Room 300 and aluminium material oxidation pond 500 can also be continuously replenished in the water entered from there
Amount and the water taken away by flue gas, to keep the quantity of circulating water for heating the aluminium 900 in aluminium material oxidation pond 500 to stablize,
To guarantee good aluminium material oxidation effect.
In addition, backflow flue gas is arranged on the flue gas exhausting pipe line 416 of secondary spraying Heat Room 400 exports 4165, flow back cigarette
Gas outlet 4165 is connected by pipeline with the air inlet 1121 of the windband 112 of biomass gasifying furnace 100, since flue gas is primary
It is contacted with a large amount of water and heat exchange in spray Heat Room 300 and secondary spraying Heat Room 400, therefore rich in steam in flue gas, and
The temperature of flue gas falls to approximately 60 DEG C.In addition, exporting 4165 and biomass gasifying furnace 100 to backflow flue gas by blower 800
Windband 112 air inlet 1121 between pipeline in supplement air, to improve the oxygen content of backflow flue gas.And in reflux cigarette
It is separately provided with blower 700 in pipeline between the air inlet 1121 of the windband 112 of gas outlet 4165 and biomass gasifying furnace 100,
To attract flue gas rich in steam and outside air to flow towards the direction of windband 112, so that rich in steam and oxygen
Gasifying agent enters windband 112, and subsequent gasifying agent passes through after the preheating of windband 112 to be entered in furnace body 110 by reaction gas inlet 1113,
To promote the gasification reaction of biomass material to generate biogas.
As shown in Figure 1, aluminium material oxidation pond 500 is used for the oxidation reaction of aluminium 900, the oxidation of aluminium needs to keep centainly
Temperature and by aluminium be immersed in oxidation liquid medicine in complete, it is therefore desirable to will oxidation liquid medicine be warming up to certain temperature could obtain it is good
Good oxidation effectiveness.Aluminium material oxidation pond 500 includes accommodating aluminium 900 and aoxidizing the pond body 510 of liquid medicine and be arranged in pond body 510
Interior heat exchange coil 520, heat exchange coil 520 have arrival end 521 and outlet end 522, and arrival end 521 is by pipeline and once
The hot water outlet 312 of spray Heat Room 300 is connected, and the warm water entrance 311 of outlet end 522 and primary spray Heat Room 300
Be connected, thus once spray Heat Room 300 and heat exchange coil 520 between form water-flow circuit, hot water outlet 312 with
Water pump 600 is additionally provided between arrival end 521 to improve the pressure and speed of water flowing.Heat exchange coil 520 is in aluminium material oxidation pond
500 bottom is set as being bent multiple pipelines arranged in parallel or is set as the shape of annular array, to increase heat-exchange surface
Product, so that the heat of hot water is efficiently transmitted oxidizing liquid medicine, the hot water temperature into heat exchange coil 520 is about 80 DEG C,
And the hot water temperature from the discharge of heat exchange coil 520 is about 60 DEG C.Hot water is inhaled once more after returning to primary spray heat-exchanging chamber 300
The heat of high-temperature flue gas is received, temperature rises to about 80 DEG C again, and cycle heat exchange in the loop again.As heat transferring medium
Water continuously can obtain heat from the flue gas of a spray heat exchanger 300 and secondary spraying heat exchanger 400, thus will
Heat brings the oxidation liquid medicine in aluminium material oxidation pond 500, realizes the high-temperature oxydation of aluminium, meets the temperature requirements of oxidation reaction.
Although detailed description of the present invention preferred embodiment herein, it is to be understood that the invention is not limited to this
In the specific structure being described in detail and show, without departing from the spirit and scope of the present invention can be by the technology of this field
Personnel realize other modifications and variant.For example, multiple primary spray Heat Rooms can be set to reach more preferably heat exchange effect
Fruit, or improve the ignition temperature of primary spray Heat Room as needed in range disclosed by the invention to meet different aluminium
The heat demand of material oxidation reaction, or do not use secondary spraying Heat Room and directly mended by water pump to primary spray Heat Room
Water.In addition, the various parameters in the present invention can suitably be chosen within the scope of the present disclosure according to concrete application conditions.
Claims (10)
1. a kind of low-carbon formula aluminium material oxidation heating system using biomass gasifying furnace, comprising: for holding aluminium processing oxygen
The aluminium material oxidation pond of chemical drug water, in the aluminium material oxidation pond for heat aluminium processing with oxidation liquid medicine heat exchange coil,
For providing the biomass gasifying furnace of biological fuel gas and for the biological fuel gas from the biomass gasifying furnace that burns
Burner,
It is characterized by: described further comprise using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace:
Primary spray Heat Room, the primary spray Heat Room include a spray chamber ontology, are set to a spray chamber sheet
The through hole of one end wall of body, set on another end wall of a spray chamber ontology medium temperature exhanst gas outlet, be set to the primary spray
Leaching room body upper part and at least one the warm water entrance being connected to the outlet end of the heat exchange coil by pipeline, set on described one
Secondary spray chamber body lower part and the hot water outlet being connected to the arrival end of the heat exchange coil by pipeline, set on the primary spray
Drench the combustion barrel of room body interior and set on a spray chamber body interior and the spray above the combustion barrel
Plate；
Wherein, the combustion barrel includes the closed end of another end wall of a neighbouring spray chamber ontology, across described
The through hole of spray chamber ontology is to the open end that extends outside the primary spray Heat Room and in the closing
The smoke exhaust pipe extended between end and the open end from the combustion barrel side wall to the shower plate direction, the institute of the combustion barrel
It states open end to be connected with the burner spraying flame to the burning cylinder roasting heat release, so that from described at least one
A warm water entrance is sprayed to the height that the indoor water of the primary spray heat exchange is first discharged by the smoke exhaust pipe via the shower plate
Warm flue gas carries out primary heating, then by being delivered to the heat exchange plate by pipeline after the barrel progress reheating of the combustion barrel
To heat the processing of the aluminium in aluminium material oxidation pond oxidation liquid medicine in pipe.
2. using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace as described in claim 1, which is characterized in that institute
State smoke exhaust pipe and form closed end far from one end of the combustion barrel, the neighbouring closed end along the smoke exhaust pipe radial direction to
At least two flue gas manifolds are extended to form outside, so that the flue gas in the combustion barrel is via at least two flue gas manifolds
It sprays into the primary spray Heat Room and exchanges heat with water.
3. using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace as claimed in claim 2, which is characterized in that institute
Stating primary spray Heat Room further comprises the water supplement port on a spray chamber ontology.
4. using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace as claimed in claim 3, which is characterized in that into
One step includes secondary spraying Heat Room, and the secondary spraying Heat Room includes secondary spraying room ontology, is set to the secondary spraying
The low-temperature flue gas outlet of room ontology roof, set on the secondary spraying room ontology bottom wall secondary hot water outlet, neighbouring described two
Secondary spray chamber ontology bottom wall is set to the medium temperature smoke inlet of this body sidewall of the secondary spraying room, neighbouring secondary spraying room sheet
Body roof is set to the cold water inlet of this body sidewall of the secondary spraying room and the neighbouring secondary spraying room ontology roof is set to
The cold water spray head of secondary spraying room body interior, wherein the medium temperature smoke inlet of the secondary spraying Heat Room
It is connected to by pipeline with the medium temperature exhanst gas outlet of the primary spray Heat Room, described the two of the secondary spraying Heat Room
Secondary hot water outlet is connected to by pipeline with the water supplement port of the primary spray Heat Room, and the cold water spray head passes through pipeline
It is connected to the cold water inlet will be sprayed in the ontology of the secondary spraying room from external cold water, so that coming from described one
The cold water sprayed in the secondary spraying Heat Room is heated into delivery to the primary spray by the flue gas of secondary spray Heat Room
It drenches in Heat Room to supplement the moisture taken away in flue gas.
5. using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace as claimed in claim 4, which is characterized in that institute
Biomass gasifying furnace is stated to include gasification furnace body, be set to gasification furnace body interior space separation in the gasification furnace body
For the fire grate of the gasification reactor chamber positioned at middle and upper part and the air compartment positioned at lower part, interval be set to the gasification furnace body upper part and
The biomass material feed inlet and biogas being connected to the gasification reactor chamber export and are set to the gasification furnace body lower part
And the gasification agent inlet being connected to the air compartment.
6. using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace as claimed in claim 5, which is characterized in that into
One step includes the filter chamber for cleaning the biogas for filtering the outlet of the biogas from the biomass gasifying furnace,
The filter chamber includes that filter chamber's ontology for being filled with water, interval are set to the biogas entrance of the filter chamber top and clear
Clean gas outlet extends to water surface diversion pipe below, the biomass into the filter chamber from the biogas entrance
Gas entrance is described biogas to be delivered to by the biogas outlet of pipeline and the biomass gasifying furnace
Underwater filtration is carried out in filter chamber, filtered clean fuel gas is delivered to the burning by pipeline by the clean gas outlet
Device burning.
7. using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace as claimed in claim 6, which is characterized in that institute
Burner is stated to include shell, the fuel gas inlet set on described shell one end, the flame export set on the shell other end, be set to
The porous filtering that at least one rotational flow air entrance of the housing sidewall and the neighbouring flame export are set in the housing
Plate, the fuel gas inlet by the clean gas outlet of pipeline and the filter chamber, the flame export with it is described
The open end connection of the combustion barrel of primary spray Heat Room.
8. using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace as claimed in claim 7, which is characterized in that institute
State at least one rotational flow air entrance along the shell of the burner tangential direction be arranged so that via it is described at least one
The air that rotational flow air entrance enters forms eddy flow in the shell.
9. using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace as claimed in claim 5, which is characterized in that institute
Stating biomass gasifying furnace further comprises the windband that the gasification furnace body side wall is set to around the gasification reactor chamber, the wind
Set includes air inlet and air outlet, and the air outlet is connected to by pipeline with the gasification agent inlet.
10. using the low-carbon formula aluminium material oxidation heating system of biomass gasifying furnace as claimed in claim 9, which is characterized in that
The low-temperature flue gas of the secondary spraying Heat Room, which is exported, is connected to chimney, the smoke discharge pipe by flue gas exhausting pipe line
Backflow flue gas is arranged on road to export, the institute that the backflow flue gas outlet passes through the windband of pipeline and the biomass gasifying furnace
It states air inlet connection and is back to the biomass gasifying furnace as gasifying agent will be enriched in the partial fume of steam.
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| US9657941B2 (en) * | 2009-04-17 | 2017-05-23 | Proterrgo Inc. | Method and apparatus for gasification of organic waste |
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Effective date of registration: 20230525 Address after: 511540 Taiji Industrial City, High tech Industrial Development Zone, Qingyuan City, Guangdong Province Patentee after: GUANGDONG HAOMEI ALUMINIUM CO.,LTD. Address before: 510631 Guangdong city of Guangzhou province Tianhe District Zhongshan Shipai Road West No. 55 Patentee before: SOUTH CHINA NORMAL University |