CN105114956B - High temperature garbage gasification power generation system - Google Patents

High temperature garbage gasification power generation system Download PDF

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CN105114956B
CN105114956B CN201510590176.1A CN201510590176A CN105114956B CN 105114956 B CN105114956 B CN 105114956B CN 201510590176 A CN201510590176 A CN 201510590176A CN 105114956 B CN105114956 B CN 105114956B
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temperature
garbage
chamber
gasification
rubbish
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CN105114956A (en
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刘国田
张大鹏
范北平
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WEIFANG JINSIDA NEW ENERGY TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/12Heat utilisation in combustion or incineration of waste
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The invention discloses a kind of high temperature garbage gasification power generation system, including refuse collection feed bin, garbage pulverator, rubbish drying machine, garbage drying feed bin, high-temperature gasification torch firing boiler, Turbo-generator Set;The present invention sets up an efficient high-temperature gasification burning situation in high-temperature gasification torch firing boiler, by to surface of material forced air supply, make the surface oxygen-enriched combusting of material, form a high-temp combustion surface layer, produce substantial amounts of heat and be blown to the internal layer of material, make gasification, and combustion more violent, rapid, the peak temperature of burning up to 1100 DEG C 1300 DEG C, all macromolecular functional groups, all pernicious gases such as bioxin after gasification by heating for multiple times, gasify, decompose and participate in burning;The utilization efficiency of heat energy of material is substantially increased, is the breakthrough improvement to boiler combustion principle of heating, is that the complete resource of rubbish is utilized there is provided sufficiently guarantee, and discharge environmental protection, with great economic benefit and social benefit.

Description

High temperature garbage gasification power generation system
Technical field
Technical field, more particularly to a kind of hair that rubbish is converted to electric energy are utilized the present invention relates to a kind of garbage as resource Electric system.
Background technology
Rubbish turns into the burden of the earth as the product of mankind's activity, also as the serious barrier for hindering human social development Hinder.Whole world rubbish average annual growth is 8.42%, and Chinese rubbish growth rate reaches more than 10%.The whole world is produced every year 4.9 hundred million tons of rubbish, only China just produce nearly 1.5 hundred million tons of municipal refuses every year, and Municipal Solid Waste in China accumulation volume of cargo in storage has reached 7000000000 tons.
Traditional waste disposal method mainly includes landfill method, Unareobic fermentation and burning method.
Landfill method is to use most waste disposal methods, and its principle is that landfill is to necessarily in selected place by rubbish Highly, covering material is added, allows it to reach stable state by long-term physics, chemistry and biological agent.Have the disadvantage take up an area it is many, Innoxious, volume reduction degree is relatively low, there is the potential threat of secondary pollution, refuse landfill away from urban district, freight compared with Greatly, selection of land is easily caused earth's surface and underground water pollution by more limitation.
Unareobic fermentation processing organic garbage of city is a kind of effective ways for reclaiming the energy in house refuse.It has the disadvantage Before processing is required for carrying out the classification of rubbish, therefore causes that Unareobic fermentation practicality is poor, and processing cost is huge, and processing It is not thorough, it is impossible to large-scale promotion application.
Burning method is to be sent into rubbish as solid fuel in incinerator, under the high temperature conditions, flammable in rubbish Oxygen carries out violent chemical reaction in composition and air, releases heat, change into the combustion gas and amount of high temperature less and property is steady Fixed solid residue.Have the disadvantage to destroy resource, rubbish contains 70% or so moisture, water-bearing organic consumed energy, combustiblerefuse Release energy, consumed energy and releasing energy offsets in burning process, dump energy seldom or be negative energy, therefore to rubbish Calorific value is required, and the combustion-supporting energy such as coal, oil is consumed in burning, wastes substantial amounts of recyclable resource, and can be formed when burning Bioxin, easily causes air pollution.
In three kinds of methods of above-mentioned garbage disposal, the advantage of burning disposal is that reduced training is good, the residue volume after burning More than 90% is reduced, weight reduces more than 80%, and processing is thorough.Inventor has found burning method not by people by studying for many years The reason for welcome is to use traditional burning principle, and its shortcoming can not change at all,
Traditional incineration firing principle is divided into three phases:First is the stage before catching fire, including combustion is dried, separates out volatilization Divide and form solid-state charcoal, solid combustible thing heats in stove, dries, evaporates moisture, as temperature increases, the organic matter in rubbish Start thermal decomposition, the volatile matter that the side chain got off and functional group are formed mainly is broken from macromolecular, its main component is CO, CO2, H2, H2O, CH4 and various hydrocarbon compounds, pyrolysis resultant product is solid-state charcoal, and solid combustible thing will in the process Absorb heat;Second is the burning of volatile matter and charcoal, the initial burning when temperature reaches burning-point, then flammable volatile matter and solid-state Carbon starts burning, and the volatile matter of solid combustible thing is higher, and burning velocity is faster;3rd is remaining solid carbon combustion in slag ashes To the greatest extent.
The boiler of prior art is all to supply air from burning ash layers, either common stove or reverse burning furnace, and air is first supplied Burnt away to imperfect combustion ashes, the remaining heat energy of release;It is provided to oxidizing fire layer to be burnt, discharges heat And provide thermal energy to dry reducing zone;Dry reducing zone and absorb heat energy, decomposite volatile matter, volatile combustion is a large amount of to produce Required heat energy.
Many technical problems occur in the above-mentioned theory of combustion in Actual combustion.Because air is the burning ashes from boiler Layer supply, the maximum temperature of burning easily causes dry reducing zone and cracks out macromolecular functional group, dry also in oxidizing fire layer Combustion space temperature above former layer can not meet the complete burning condition of volatile matter, so as to form dense smoke, cause burning not thorough Bottom, is lost in the calorific value of solid combustible thing 70%, greatly wastes the energy, pollutes environment.Especially in Refuse Incineration Process In, burning, which produces bioxin, does not have hot environment to be decomposed, and garbage incineration technology is not promoted.
The content of the invention
The technical problems to be solved by the invention, which are to provide, a kind of to be changed garbage incineration process, is burnt using high-temperature gasification The abundant and extremely environmentally friendly high temperature garbage gasification power generation system of method, release heat energy.
In order to solve the above technical problems, the technical scheme is that:High temperature garbage gasification power generation system, including:
Refuse collection feed bin, the rubbish of coming is transported for collecting storage cram packer;The refuse collection feed bin top Material grasping bucket is installed, the bottom of the refuse collection feed bin is provided with rubbish collection material pond;
Garbage pulverator, receives the rubbish of the material grasping bucket crawl, and rubbish is crushed;
Rubbish drying machine, positioned at the garbage pulverator rear portion, for by the drying garbage after crushing;The drying garbage Machine is provided with gas collection cap dry gas collection device, and the dry gas collection device is connected with dry gas process device;
Garbage drying feed bin, for depositing garbage drying, the garbage drying feed bin top is provided with garbage drying material grasping Bucket;
Feed device, receives the garbage drying of garbage drying material grasping bucket crawl, for by the garbage drying feed bin Interior garbage drying is conveyed backward;
High-temperature gasification torch firing boiler, positioned at the discharge outlet of the feed device, rubbish after being dried by high-temperature gasification High-temperature gasification burning production steam, some vapor is connected to the rubbish drying machine by pipeline;The high-temperature gasification torch firing pot Stove is provided with air supply device;The discharge flue of the high-temperature gasification torch firing boiler is connected with flue gas processing device;
Turbo-generator Set, will be used for remaining steam after garbage drying and be converted into electric energy;
Anaerobic fermentation tower, for collect rubbish gather materials bottom of pond portion rubbish diffusate, the dry gas process device production Raw rubbish evaporation condensate simultaneously carries out anaerobic fermentation, produces biogas.
As preferred technical scheme, the dry gas process device includes cyclone separator, the cyclone separator Lower end the anaerobic fermentation tower is connected by pipeline, the outlet air end of the cyclone separator is connected with filtered water reservoir, the mistake The gap of filter connects the anaerobic fermentation tower, and the gas outlet of the filtered water reservoir is connected with chimney.
As preferred technical scheme, the methane outlet of the anaerobic fermentation tower is connected with Biogas Generator Set.
As preferred technical scheme, receipts are respectively provided with the refuse collection feed bin and the garbage drying feed bin Collect the gas collection cap of rubbish emission gases, the gas collection cap is by pipeline to being connected to the high-temperature gasification torch firing boiler The air supply device.
As preferred technical scheme, the high-temperature gasification torch firing boiler includes setting on boiler body, the boiler body There are boiler water cavity, boiler oil import, chain furnace grate and boiler smoke outlet, it is high that the boiler oil import is fitted with biomass Wet jet-burning device, the biomass high-temperature gasification jet-burning device includes being provided with high-temperature gasification combustion in body of heater, the body of heater Chamber is burnt, the front end of the high-temperature gasification combustion chamber is provided with flame slag notch, and the rear end of the high-temperature gasification combustion chamber is blocked up after being provided with Feeding-passage is provided with plate, the rear blocking plate, the feeding-passage is connected with charging and pushes away apparatus for ash;The high-temperature gasification burning The bottom of chamber, which is provided with the top of bottom of chamber plate, the high-temperature gasification combustion chamber, is provided with chamber top board, the high-temperature gasification combustion chamber Both sides be provided with chamber side plate;The rear blocking plate, the bottom of chamber plate, the chamber top board and the chamber side plate be correspondingly provided with respectively every Hot heat sink;The air lance of some directives burning surface of material is provided with the chamber top board, the air lance is passed through The heat insulation and heat control device is connected with air supply device.
As the improvement to above-mentioned technical proposal, the cross section of the high-temperature gasification combustion chamber is rectangular, the bottom of chamber plate It is horizontally disposed with or is obliquely installed to the flame slag notch.
As the improvement to above-mentioned technical proposal, the charging, which pushes away apparatus for ash, includes feed hopper, the bottom of the feed hopper Feeding warehouse is provided with, the bottom surface of the feeding warehouse, the bottom surface of the feeding-passage are concordant with the bottom of chamber plate, the feeding warehouse Bottom is provided with the expeller that can be stretched in the feeding-passage, and the expeller is connected with expeller and moves back and forth driving dress Put.
As the improvement to above-mentioned technical proposal, the heat insulation and heat control device includes being separately positioned on the rear blocking plate, institute The cooling jacket outside bottom of chamber plate, the chamber top board and the chamber side plate is stated, the cooling jacket connects and is connected with circulating pump, institute State circulating pump and be connected to the boiler water cavity.
As the improvement to above-mentioned technical proposal, the air lance includes circular body, the lower end of the circular body Provided with flat inverted " v " spout, the inverted " v " spout is parallel to each other and perpendicular to the chamber side plate;The circular body Tube wall in the high-temperature gasification combustion chamber is provided with horizontal exhaust vent;The lower end of the air lance and the bottom of chamber plate Distance gradually reduced from feeding-passage to flame slag notch direction.
As the improvement to above-mentioned technical proposal, the air lance also includes tilting towards stove outside the flame slag notch The combustion-supporting jet pipe of slag of slag.
By adopting the above-described technical solution, high temperature garbage gasification power generation system, including refuse collection feed bin, rubbish are crushed Machine, rubbish drying machine, garbage drying feed bin, high-temperature gasification torch firing boiler, Turbo-generator Set;The present invention has abandoned traditional rubbish Rubbish burns principle, is dried by refuse collection feed bin draining, rubbish drying machine, garbage drying feed bin is stored, high-temperature gasification torch firing Boiler for producing steam, is finally generated electricity with Turbo-generator Set;The present invention sets up one efficiently in high-temperature gasification torch firing boiler High-temperature gasification burning situation, by surface of material forced air supply, making the surface oxygen-enriched combusting of material, forms a high-temp combustion Surface layer, produces substantial amounts of heat and is blown to the internal layer of material, makes gasification, and combustion more violent, rapid, the peak of burning Temperature is up to 1100 DEG C -1300 DEG C, and all macromolecular functional groups, all pernicious gases such as bioxin after gasification are repeatedly added Heat, gasify, decompose and participate in burning;The utilization efficiency of heat energy of material is substantially increased, is that boiler combustion principle of heating is dashed forward Broken property is improved, and is that the complete resource of rubbish is utilized there is provided sufficiently guarantee, and discharge environmental protection, with great economy effect Benefit and social benefit.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein:
Fig. 1 is the schematic diagram of the embodiment of the present invention;
Fig. 2 is the structure principle chart of embodiment of the present invention high-temperature gasification torch firing boiler;
Fig. 3 is the stereogram of embodiment of the present invention biomass high-temperature gasification jet-burning device;
Fig. 4 is Fig. 3 top view;
Fig. 5 is the structural representation of embodiment of the present invention biomass high-temperature gasification jet-burning device;
Fig. 6 is the sectional view that embodiment of the present invention air lance is located on high-temperature gasification combustion chamber cross section;
Fig. 7 is Fig. 6 A-A direction views;
Fig. 8 is enlarged drawing at I in Fig. 5;
In figure:1- refuse collection feed bins;11- material grasping buckets;2- garbage pulverators;3- rubbish drying machines;31- cyclonic separations Device;32- filtered water reservoirs;33- chimneys;4- garbage drying feed bins;41- garbage drying material grasping buckets;5- feed devices;6- high-temperature gasifications Torch firing boiler;61- boiler bodies;62- boiler water cavities;63- boiler oil imports;64- chain furnace grates;65- boiler smoke outlets; 7- biomass high-temperatures gasification jet-burning device;71- bodies of heater;72- high-temperature gasification combustion chambers;73- flame slag notches;74- rear blocking plates; 75- feeding-passages;76- bottom of chamber plate;77- chamber top boards;78- chamber side plates;79- air lances;791- circle bodys;792- inverted " V "s Shape spout;793- transverse direction exhaust vents;710- feed hoppers;711- feeding warehouses;712- expellers;713- hydraulic cylinders;714- cooling waters Set;715- cloth wind chambers;716- blower fans;The combustion-supporting jet pipe of 717- slags;8- Turbo-generator Sets;9- anaerobic fermentation towers.
Embodiment
With reference to the accompanying drawings and examples, the present invention is expanded on further.In the following detailed description, only explanation is passed through Mode describes some one exemplary embodiments of the present invention.Undoubtedly, one of ordinary skill in the art will recognize, In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of modes Just.Therefore, accompanying drawing and description are inherently illustrative, are not intended to limit the scope of the claims.
As shown in figure 1, high temperature garbage gasification power generation system, including:
Refuse collection feed bin 1, the rubbish of coming is transported for collecting storage cram packer, the refuse collection feed bin 1 Bottom is provided with rubbish collection material pond;The urban and rural domestic refuse that garbage truck collection comes is discharged into rubbish collection material pond, garbage truck turnover institute State and twice gate is provided with refuse collection feed bin 1;Outer course gate is first turned on, now interior road closing gate, garbage truck enters;Close Outer course gate is closed, interior road gate, garbage truck unloading is then turned on;After the completion of unloading, interior road gate is closed, outer course gate is opened, Garbage truck is rolled away from;It ensure that whole uninstall process free from extraneous odour effusion;The top of refuse collection feed bin 1 is provided with material grasping bucket 11.
Garbage pulverator 2, receives the rubbish that the material grasping bucket 11 is captured, refuse bag is torn, by big plastic garbage, greatly Culled wood, textile rubbish tear cut off and rubbish is crushed.
Rubbish drying machine 3, positioned at the rear portion of garbage pulverator 2, for by the drying garbage after crushing;The rubbish is done Dry machine 3 is provided with dry gas collection device, and the dry gas collection device is connected with dry gas process device;The drying Gas treatment equipment includes cyclone separator 31, and the liquid that the lower end of the cyclone separator 31 is produced connects described by pipeline Anaerobic fermentation tower 9, the outlet air end of the cyclone separator 31 is connected with filtered water reservoir 32, and the gap of the filtered water reservoir 32 connects The anaerobic fermentation tower 9 is connect, the gas outlet of the filtered water reservoir 32 is connected with chimney 33.In the present embodiment, the dry gas Collection device is the gas skirt (not shown) for being fixedly installed on dry steam outlet, and gas skirt is connected with blower fan, and blower fan is The implicit known device of the present embodiment, therefore not shown in figure, the blower fan connects the cyclone separator 31.The rubbish is done Dry machine 3 uses known material or garbage drying equipment.
Garbage drying feed bin 4, for depositing and storing garbage drying, to ensure the continuity of whole system operation;It is described The top of garbage drying feed bin 4 is provided with garbage drying material grasping bucket 41.
Feed device 5, receives the garbage drying that the garbage drying material grasping bucket 41 is captured, for by the garbage drying material Garbage drying in storehouse 4 is conveyed backward;The present embodiment uses known auger conveyor.
High-temperature gasification torch firing boiler 6, positioned at the discharge outlet of the feed device 5, rubbish after being dried by high-temperature gasification Rubbish high-temperature gasification burning production steam, some vapor is connected to the rubbish drying machine 3 by pipeline;The high-temperature gasification torch firing Boiler 6 is provided with air supply device;The discharge flue of the high-temperature gasification torch firing boiler 6 is connected with flue gas processing device;The present embodiment The flue gas processing device handled using general boiler smoke processing unit.Because the pernicious gas that the present invention is discharged It is few with flue dust, greatly reduce the processing cost of flue dust.
Turbo-generator Set 8, will be used for remaining steam after garbage drying and be converted into electric energy.
Anaerobic fermentation tower 9, for collect rubbish gather materials bottom of pond portion rubbish diffusate, the dry gas process device production Raw rubbish evaporation condensate simultaneously carries out anaerobic fermentation, produces biogas, and the methane outlet of the anaerobic fermentation tower 9 is connected with biogas Generating set.
In the present embodiment, collection rubbish is respectively provided with the refuse collection feed bin 1 and the garbage drying feed bin 4 The gas collection cap of emission gases, the gas collection cap is by pipeline to the institute for being connected to the high-temperature gasification torch firing boiler 6 Air supply device is stated, so the gas with foreign flavor that rubbish is distributed is have collected, gas with foreign flavor is participated in burning again, it is ensured that working environment Environment-protective no-smell.
As shown in Fig. 2 high-temperature gasification torch firing boiler 6, including boiler body 61, the boiler body 61 is provided with boiler water Chamber 62, boiler oil import 63, chain furnace grate 64 and boiler smoke outlet 65, the boiler oil import 63 are fitted with biomass High-temperature gasification jet-burning device 7.
As shown in Fig. 3, Fig. 4 and Fig. 5, biomass high-temperature gasification jet-burning device, including body of heater 71, the body of heater 71 is interior to be set There is high-temperature gasification combustion chamber 72, the high-temperature gasification combustion chamber 72 of the present embodiment is laterally sets, the high-temperature gasification combustion chamber 72 Front end be provided with flame slag notch 73, the bottom of the flame slag notch 73 as slag notch, the flame slag notch 73 its Remaining part is allocated as flame jet, and the rear end of the high-temperature gasification combustion chamber 72, which is provided with rear blocking plate 74, the rear blocking plate 74, to be set There is feeding-passage 75, the feeding-passage 75 is connected with charging and pushes away apparatus for ash;The bottom of the high-temperature gasification combustion chamber 72 is set There is bottom of chamber plate 76, the bottom of chamber plate 76 is the flat board without cavity, and the top of the high-temperature gasification combustion chamber 72 is provided with chamber top Plate 77, the effect of the chamber top board 77 is to ensure that fuel gas is not excessive, can only be transported in addition to burning to flame slag notch 73 It is dynamic;The both sides of the high-temperature gasification combustion chamber 72 are provided with chamber side plate 78, the effect of the chamber side plate 78 and the chamber top board 77 Effect it is identical;To prevent the rear blocking plate 74, the bottom of chamber plate 76, the chamber top board 77 and the ablation of the chamber side plate 78, The rear blocking plate 74, the bottom of chamber plate 76, the chamber top board 77 and the chamber side plate 78 are correspondingly provided with heat insulation and heat control device respectively; Some directives are provided with the chamber top board 77 to burn the air lances 79 of surface of material, the air lance 79 through it is described every Hot heat sink is connected with air supply device.
In the present embodiment, the cross section of the high-temperature gasification combustion chamber 72 is rectangular, and the bottom of chamber plate 76 is horizontally disposed with;When So in order to which guide is slagged tap conveniently, the bottom of chamber plate 76 is also using the technical scheme being obliquely installed to the flame slag notch 73.
In the present embodiment, the charging pushes away apparatus for ash including feed hopper 710, the bottom of the feed hopper 710 be provided with into Feed bin 711, the bottom surface of the feeding warehouse 711, the bottom surface of the feeding-passage 75 are concordant with the bottom of chamber plate 76, the feeding warehouse 711 bottom is provided with the expeller 712 that can be stretched in the feeding-passage 75, and the expeller 712 is connected with expeller Reciprocating movement driving device, expeller reciprocating movement driving device described in the present embodiment uses hydraulic cylinder 713, certainly Can be using mechanically or electrically dynamic reciprocating motion drive mechanism, these mechanisms are known, and it is no longer repeated herein.This implementation The charging of example pushes away the structure setting of apparatus for ash, is to ensure that material can be transported along the bottom of chamber plate 76 to slag notch direction It is dynamic, while also ensureing that some material is located in the feeding-passage 75, so as to play the work for blocking the feeding-passage 75 With, prevent tempering.The expeller 712 of the present embodiment is cuboid, and the feeding-passage 75 is corresponding with the expeller 712 Cuboid passage, by the reciprocating motion of expeller 712, material is constantly squeezed into the high temperature by the feeding-passage 75 In gasification, and combustion chamber 72, the material in front of new material promotion, along with the air of the air lance 79 ejection is to material table The pressure in face, makes the material of the whole bottom of chamber plate 76 constantly advance to the flame slag notch 73, completes being moved through for material Journey.
The heat insulation and heat control device includes being separately positioned on the rear blocking plate 74, the bottom of chamber plate 76, the chamber top board 77 With the cooling jacket 714 outside the chamber side plate 78, the cooling jacket 714 connects and is connected with circulating pump (not shown), The circulating pump is connected to boiler water cavity 62.This structure, prevents high temperature to the rear blocking plate 74, the bottom of chamber plate 76, described The ablation of chamber top board 77 and the chamber side plate 78, cooling water is connected with boiler, can reclaim the energy, improves the heat of the present embodiment Efficiency.The air lance 79 of the present embodiment passes through the cooling jacket 714 of the chamber top board 77, and cooling water is simultaneously also to described Air lance 79 plays a part of cooling, improves the service life of the air lance 79.Certainly, the heat insulation and heat control device It can use and refractory masses closure plate 74, the bottom of chamber plate 76, the chamber top board 77 and the chamber side in the rear are set respectively The inner surface of plate 78, with same burn-out proof effect.
In the present embodiment, the air supply device includes the cloth wind chamber 715 being arranged on outside the chamber top board 77, the cloth wind chamber 715 are connected with blower fan 716.The effect of the cloth wind chamber 715 is storage and distribution air, reduces the fluctuation of air pressure.
As shown in Figure 6 and Figure 7, in the present embodiment, the air lance 79 includes circular body 791, the circular body 791 lower end is provided with flat inverted " v " spout 792, and the inverted " v " spout 792 is parallel to each other and perpendicular to the chamber side Plate 78;This spout structure and arrangement, make the air-out of the air lance 79 be formed down fan-like pattern air curtain, not only to thing The burning of material provides sufficient oxygen, while stopping that the unburned composition suspended is escaped, by the stop of multilayer air curtain, makes the height Wet combustion chamber 72 realizes unexpected high-temperature gasification effect, and the flue dust escaped with flame is substantially reduced.The circle The tube wall that shape body 791 is located in the high-temperature gasification combustion chamber 72 is provided with horizontal exhaust vent 793, to entering the chamber top Combustion gas near plate 77 provides the oxygen needed for burning.The distance of the lower end of the air lance 79 and the bottom of chamber plate 76 is from entering Material passage 75 is gradually reduced to the direction of flame slag notch 73, because the material in the feeding-passage 75 is compacted, by described Expeller 712 is forced into the high-temperature gasification combustion chamber 72, and mass expanded is highly uprised, corresponding in this position The spout of the air lance 79 is higher, with the burning and flowing of material, and the height of material is gradually reduced, corresponding institute The spout for stating air lance 79 is gradually lowered, this arrangement can realize even distributing wind, it is ensured that gasification, and combustion fills Divide complete.
As shown in figure 8, the air lance 79 in the present embodiment also includes tilting towards outside the flame slag notch 73 The combustion-supporting jet pipe 717 of slag of slag.The flame slag notch 73 is installed and is inserted into the burner hearth of high-temperature gasification torch firing boiler 6, is fired Uncombusted lime-ash in the thermal source that the flame of burning works as boiler, the present embodiment course of work falls from the flame slag notch 73 Under, fall on boiler chain furnace grate 64, burnt away into boiler, the air feed system of boiler itself is provided from the lower section of fire grate The oxygen of lime-ash burning, the combustion-supporting jet pipe 717 of slag provides the lime-ash on fire grate the oxygen of burning from oblique upper, thus made not The lime-ash of after-flame is fully burned, and the heat energy of material is discharged completely.
The biomass high-temperature gasification jet-burning device of the present invention has abandoned traditional fire bars grate structure, using the bottom of chamber of closing Material on the retainer plate that plate 76 burns as material, bottom of chamber plate 76 burns since top layer, and the air lance 79 is to material Surface forced air supply, makes burning zone oxygen-enriched combusting, produces substantial amounts of heat and is blown to the internal layer of material, the material of internal layer is carried out Thermally decompose and produce fuel gas, fuel gas is moved by the wind band trend bottom of chamber plate 76 of the air lance 79, by bottom of chamber The bounce-back of plate 76, is placed through the burning zone on material top layer again, and fuel gas is further cracked in the process, due to thing Material top is chamber top board 77, and cracked gas can not escape, and be burnt rapidly under the abundant oxygen supply of air lance 79, the highest of burning Point temperature is up to 1100 DEG C -1300 DEG C, and at these elevated temperatures, all macromolecular functional groups continue to crack and burn, all harmful Gas such as bioxin is completely broken down, with the promotion for newly entering material, and material is constantly moved to the direction of flame slag notch 73, thing Material constantly burning is until be changed into the ashes of the carbon containing small part and fallen from flame slag notch 73, and the flame of high temperature is from flame slag notch 73 are sprayed, and heat energy utilization is carried out into boiler;The characteristics of the technical program is moved upwards using hot blast, simultaneously because air lance 79 abundant air feed, the high-temperature gasification approximately a closed burning situation is established in body of heater 71, material is substantially increased Utilization efficiency of heat energy, is the breakthrough improvement to prior art, is provided for the complete resource utilization of material especially biomass Sufficient guarantee.
The present invention has abandoned traditional waste incineration principle, is dried, done by refuse collection feed bin draining, rubbish drying machine Dry rubbish feed bin storage, high-temperature gasification torch firing boiler for producing steam, are finally generated electricity with Turbo-generator Set;The present invention is in High Temperature Gas Change in torch firing boiler and set up an efficient high-temperature gasification burning situation, by surface of material forced air supply, making the table of material Face oxygen-enriched combusting, forms a high-temp combustion surface layer, produces substantial amounts of heat and is blown to the internal layer of material, makes gasification, and combustion More violent, rapid, the peak temperature of burning is all macromolecular functional groups after gasification, all up to 1100 DEG C -1300 DEG C Pernicious gas such as bioxin by heating for multiple times, gasify, decompose and participate in burning;Substantially increase the heat energy utilization effect of material Rate, is the breakthrough improvement to boiler combustion principle of heating, is that the complete resource of rubbish is utilized there is provided sufficiently guarantee, and And discharge environmental protection, with great economic benefit and social benefit.
Schematical embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any Those skilled in the art, made equivalent variations and modification on the premise of the design of the present invention and principle is not departed from, The scope of protection of the invention should be belonged to.

Claims (9)

1. high temperature garbage gasification power generation system, it is characterised in that including:
Refuse collection feed bin, the rubbish of coming is transported for collecting storage cram packer;Install on the refuse collection feed bin top There is material grasping bucket, the bottom of the refuse collection feed bin is provided with rubbish collection material pond;
Garbage pulverator, receives the rubbish of the material grasping bucket crawl, and rubbish is crushed;
Rubbish drying machine, positioned at the garbage pulverator rear portion, for by the drying garbage after crushing;The rubbish drying machine is set There is gas collection cap dry gas collection device, the dry gas collection device is connected with dry gas process device;
Garbage drying feed bin, for depositing garbage drying, the garbage drying feed bin top is provided with garbage drying material grasping bucket;
Feed device, receives the garbage drying of the garbage drying material grasping bucket crawl, for by the garbage drying feed bin Garbage drying is conveyed backward;
High-temperature gasification torch firing boiler, positioned at the discharge outlet of the feed device, high temperature garbage after being dried by high-temperature gasification Gasification, and combustion produces steam, and some vapor is connected to the rubbish drying machine by pipeline;The high-temperature gasification torch firing boiler is set There is air supply device;The discharge flue of the high-temperature gasification torch firing boiler is connected with flue gas processing device;
Turbo-generator Set, will be used for remaining steam after garbage drying and be converted into electric energy;
Anaerobic fermentation tower, gathers materials what the rubbish diffusate in bottom of pond portion, the dry gas process device were produced for collecting rubbish Rubbish evaporation condensate simultaneously carries out anaerobic fermentation, produces biogas;
The high-temperature gasification torch firing boiler include boiler body, the boiler body provided with boiler water cavity, boiler oil import, Chain furnace grate and boiler smoke outlet, the boiler oil import are fitted with biomass high-temperature gasification jet-burning device, the biology Matter high-temperature gasification jet-burning device includes being provided with high-temperature gasification combustion chamber, the high-temperature gasification combustion chamber in body of heater, the body of heater Front end be provided with flame slag notch, the rear end of the high-temperature gasification combustion chamber be provided with rear blocking plate, the rear blocking plate be provided with into Expect passage, the feeding-passage is connected with charging and pushes away apparatus for ash;The bottom of the high-temperature gasification combustion chamber is provided with bottom of chamber plate, institute State and chamber top board is provided with the top of high-temperature gasification combustion chamber, the both sides of the high-temperature gasification combustion chamber are provided with chamber side plate;It is described Rear blocking plate, the bottom of chamber plate, the chamber top board and the chamber side plate are correspondingly provided with heat insulation and heat control device respectively;On the chamber top board The air lance of some directives burning surface of material is provided with, the air lance is connected with confession through the heat insulation and heat control device Wind apparatus.
2. high temperature garbage gasification power generation system as claimed in claim 1, it is characterised in that the dry gas process device bag Cyclone separator is included, the lower end of the cyclone separator connects the anaerobic fermentation tower by pipeline, the cyclone separator Outlet air end is connected with filtered water reservoir, the gap of the filtered water reservoir connects the anaerobic fermentation tower, and the filtered water reservoir goes out Gas port is connected with chimney.
3. high temperature garbage gasification power generation system as claimed in claim 1, it is characterised in that the biogas of the anaerobic fermentation tower goes out Mouth is connected with Biogas Generator Set.
4. high temperature garbage gasification power generation system as claimed in claim 1, it is characterised in that the refuse collection feed bin and described The gas collection cap for collecting rubbish emission gases is respectively provided with garbage drying feed bin, the gas collection cap passes through pipeline To the air supply device for being connected to the high-temperature gasification torch firing boiler.
5. high temperature garbage gasification power generation system as claimed in claim 1, it is characterised in that the horizontal stroke of the high-temperature gasification combustion chamber Rectangular in cross-section, the bottom of chamber plate level sets or is obliquely installed to the flame slag notch.
6. high temperature garbage gasification power generation system as claimed in claim 1, it is characterised in that the charging push away apparatus for ash include into Hopper, the bottom of the feed hopper is provided with feeding warehouse, the bottom surface of the feeding warehouse, the bottom surface of the feeding-passage and the chamber Base plate is concordant, and the bottom of the feeding warehouse is provided with the expeller that can be stretched in the feeding-passage, the expeller connection There is expeller reciprocating movement driving device.
7. high temperature garbage gasification power generation system as claimed in claim 1, it is characterised in that the heat insulation and heat control device includes dividing The cooling jacket outside the rear blocking plate, the bottom of chamber plate, the chamber top board and the chamber side plate, the cooling jacket are not arranged on Connect and be connected with circulating pump, the circulating pump is connected to the boiler water cavity.
8. high temperature garbage gasification power generation system as claimed in claim 1, it is characterised in that the air lance includes round tube Body, the lower end of the circular body is provided with flat inverted " v " spout, and the inverted " v " spout is parallel to each other and perpendicular to institute State chamber side plate;The tube wall that the round tube body is located in the high-temperature gasification combustion chamber is provided with horizontal exhaust vent;The air The lower end of jet pipe and the distance of the bottom of chamber plate are gradually reduced from feeding-passage to flame slag notch direction.
9. high temperature garbage gasification power generation system as claimed in claim 1, it is characterised in that the air lance also includes tilting The combustion-supporting jet pipe of slag of slag outside towards the flame slag notch.
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CN105841163B (en) * 2016-05-27 2017-10-10 张海利 A kind of house refuse carbonization pyrolysis furnace

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