CN105114956A - High-temperature rubbish gasification power generation system - Google Patents
High-temperature rubbish gasification power generation system Download PDFInfo
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- CN105114956A CN105114956A CN201510590176.1A CN201510590176A CN105114956A CN 105114956 A CN105114956 A CN 105114956A CN 201510590176 A CN201510590176 A CN 201510590176A CN 105114956 A CN105114956 A CN 105114956A
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- rubbish
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 141
- 238000002309 gasification Methods 0.000 title claims abstract description 107
- 238000010248 power generation Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 63
- 238000001035 drying Methods 0.000 claims abstract description 58
- 238000002485 combustion reaction Methods 0.000 claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims description 35
- 239000002893 slag Substances 0.000 claims description 33
- 238000010304 firing Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 20
- 238000000855 fermentation Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 15
- 239000002028 Biomass Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000000629 steam reforming Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 abstract description 10
- 239000001301 oxygen Substances 0.000 abstract description 10
- 230000006872 improvement Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 125000000524 functional group Chemical group 0.000 abstract description 2
- 229920002521 macromolecule Polymers 0.000 abstract description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 14
- 239000010410 layer Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000007787 solid Substances 0.000 description 7
- 150000002605 large molecules Chemical class 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 230000000505 pernicious effect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 239000003500 flue dust Substances 0.000 description 3
- 238000002679 ablation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000003124 biologic agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- Y02E20/12—Heat utilisation in combustion or incineration of waste
-
- 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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a high-temperature rubbish gasification power generation system. The high-temperature rubbish gasification power generation system comprises a rubbish collection stock bin, a rubbish crusher, a rubbish drying machine, a dried rubbish stock bin, a high-temperature gasification spray-burning boiler and a steam turbine power generation set. According to the high-temperature rubbish gasification power generation system, an efficient high-temperature gasification burning environment is established in the high-temperature gasification spray-burning boiler, oxygen-enriched combustion of the surfaces of materials is achieved by forcibly supplying air to the surfaces of the materials, a high-temperature burning face layer is formed, and a great amount of heat is generated and blown to the inner layer of the materials, so that gasification burning is more violent and faster; the temperature of the highest burning point can reach 1100-1300 DEG C, and all macromolecule functional groups generated after gasification and all harmful gas, such as dioxin, generated after gasification are heated, gasified and decomposed repeatedly and participate in burning. The heat utilization rate of the materials is greatly increased, the breakthrough improvement on the boiler combustion heating principle is achieved, and complete recycling of rubbish is sufficiently guaranteed; in addition, emission is environmentally friendly, and the high-temperature rubbish gasification power generation system has great economic benefits and social benefits.
Description
Technical field
The present invention relates to a kind of garbage as resource and utilize technical field, particularly relate to a kind of electricity generation system rubbish being converted to electric energy.
Background technology
Rubbish becomes the burden of the earth as the product of mankind's activity, also becomes the serious hindrance hindering human social development.Whole world rubbish average annual growth is 8.42%, and Chinese rubbish growth rate reaches more than 10%.The whole world produces 4.9 hundred million tons of rubbish every year, and only China just produces 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 7,000,000,000 tons.
Traditional waste disposal method mainly comprises landfill method, Unareobic fermentation and burning method.
Landfill method uses maximum waste disposal methods, and its principle is that landfill, to certain altitude, adds cladding material, allows it reach stable state through long-term physics, chemistry and biological agent by rubbish in selected place.Shortcoming be take up an area many, innoxious, to subtract appearanceizations degree lower, there is the potential threat of secondary pollution, refuse landfill is away from urban district, and comparatively greatly, selection of land is subject to more restriction to freight, easily causes earth's surface and underground water pollution.
Unareobic fermentation process organic garbage of city is a kind of effective ways reclaiming the energy in house refuse.Its shortcoming is the classification all needing to carry out rubbish before process, and therefore cause Unareobic fermentation practicality poor, processing cost is huge, and process is not thorough, cannot large-scale promotion application.
Burning method is sent in incinerator as solid fuel by rubbish, and under the high temperature conditions, the combustible component in rubbish carries out violent chemical reaction with oxygen in air, releases heat, changes into the combustion gas of high temperature and measure the solid residue of stable in properties less.Shortcoming destroys resource, rubbish contains the moisture of about 70%, water-bearing organic consumed energy, combustiblerefuse releases energy, and in burning process, consumed energy offsets with releasing energy, dump energy seldom or be negative energy, therefore there is requirement to refuse thermal value, coal, the combustion-supporting energy of wet goods will be consumed in burning, waste a large amount of recyclable resources, and can bioxin be formed when burning, easily cause air pollution.
In three kinds of methods of above-mentioned garbage disposal, the advantage of burning disposal is that reduced training is good, and the residue volume after burning reduces more than 90%, and weight reduces more than 80%, and process thoroughly.Inventor is through studying for many years, and find that burning method is not adopt traditional burning principle by the reason that people welcome, its shortcoming cannot change at all,
Traditional incineration firing principle is divided into three phases: first is the stage before catching fire, comprise combustion drying, separate out volatile matter and form solid-state charcoal, solid combustible thing heats in stove, dry, transpiring moisture, along with temperature increases, organic matter in rubbish starts thermal decomposition, mainly to rupture the volatile matter that the side chain that gets off and functional group formed from large molecule, its main component is CO, CO2, H2, H2O, CH4 and various hydrocarbon compound, pyrolysis resultant product is solid-state charcoal, and solid combustible thing will absorb heat in the process; Second is the burning of volatile matter and charcoal, the initial burning when temperature reaches burning-point, and then flammable volatile matter and solid carbon take fire, and the volatile matter of solid combustible thing is higher, and burning velocity is faster; 3rd is remaining solid carbon after-flame in slag ashes.
The boiler of prior art is all from burning ash layers air supply, is no matter common stove or instead burns stove, and air first supplies imperfect combustion ashes and burns away, and discharges remaining heat energy; Then be supplied to oxidizing fire layer to burn, heat energy is also supplied to dry reducing zone by release heat; Dry reducing zone absorbs heat energy, decomposites volatile matter, and volatile combustion is to produce a large amount of required heat energy.
The above-mentioned theory of combustion there will be many technical problems in Actual combustion.Because air supplies from the burning ash layers of boiler, the maximum temperature of burning is at oxidizing fire layer, dry reducing zone cracking is easily caused to go out large molecule functional group, combustion space temperature above dry reducing zone can not meet the complete burning condition of volatile matter, thus formation dense smoke, cause burning not thorough, the calorific value of solid combustible thing 70% is run off, greatly waste the energy, contaminated environment.Especially, in Refuse Incineration Process, burning produces bioxin does not have hot environment to decompose, and garbage incineration technology cannot be promoted.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind ofly change garbage incineration process, the method that adopts high-temperature gasification burning, release heat energy fully and the high temperature garbage gasification power generation system of very environmental protection.
For solving the problems of the technologies described above, technical scheme of the present invention is: high temperature garbage gasification power generation system, comprising:
Refuse collection feed bin, for collecting the rubbish deposited cram packer transport and come; Described refuse collection feed bin top is provided with material grasping bucket, and the bottom of described refuse collection feed bin is provided with rubbish and gathers materials pond;
Garbage pulverator, receives the rubbish that described material grasping bucket captures, and by garbage crushing;
Rubbish drying machine, is positioned at described garbage pulverator rear portion, for by pulverize after drying garbage; Described rubbish drying machine is provided with gas collection cap dry gas gathering-device, and described dry gas gathering-device is connected with dry gas process device;
Garbage drying feed bin, for depositing garbage drying, described garbage drying feed bin top is provided with garbage drying material grasping bucket;
Pay-off, receives the garbage drying that described garbage drying material grasping bucket captures, for being carried backward by the garbage drying in described garbage drying feed bin;
High-temperature gasification torch firing boiler, is positioned at the discharge outlet of described pay-off, and by high-temperature gasification, high temperature garbage gasification, and combustion after drying is produced steam, some vapor is connected to described rubbish drying machine by pipeline; Described high-temperature gasification torch firing boiler is provided with air supply device; The discharge flue of described high-temperature gasification torch firing boiler is connected with flue gas processing device;
Turbo-generator Set, after being used for garbage drying, remaining steam-reforming is electric energy;
Anaerobic fermentation tower, to gather materials rubbish evaporation condensate that the rubbish diffusate bottom pond, described dry gas process device produce carry out anaerobic fermentation for collecting rubbish, producing biogas.
As preferred technical scheme, described dry gas process device comprises cyclone separator, the lower end of described cyclone separator connects described anaerobic fermentation tower by pipeline, the outlet air end of described cyclone separator is connected with filtered water reservoir, the gap of described filtered water reservoir connects described anaerobic fermentation tower, and the gas outlet of described filtered water reservoir is connected with chimney.
As preferred technical scheme, the methane outlet of described anaerobic fermentation tower is connected with Biogas Generator Set.
As preferred technical scheme, be respectively equipped with the gas collection cap for collecting rubbish emission gases in described refuse collection feed bin and described garbage drying feed bin, described gas collection cap by pipeline to the described air supply device being connected to described high-temperature gasification torch firing boiler.
As preferred technical scheme, described high-temperature gasification torch firing boiler comprises boiler body, described boiler body is provided with boiler water cavity, boiler oil import, chain furnace grate and boiler smoke outlet, described boiler oil import is fitted with biomass high-temperature gasification jet-burning device, described biomass high-temperature gasification jet-burning device comprises body of heater, high-temperature gasification combustion chamber is provided with in described body of heater, the front end of described high-temperature gasification combustion chamber is provided with flame slag notch, the rear end of described high-temperature gasification combustion chamber is provided with rear blocking plate, described rear blocking plate is provided with feeding-passage, described feeding-passage is connected with charging and pushes away apparatus for ash, the bottom of described high-temperature gasification combustion chamber is provided with chamber base plate, and the top of described high-temperature gasification combustion chamber is provided with chamber top board, and the both sides of described high-temperature gasification combustion chamber are provided with chamber side plate, described rear blocking plate, described chamber base plate, described chamber top board and described chamber side plate respectively correspondence are provided with heat insulation and heat control device, described chamber top board is provided with the air lance on some directives burning material surface, described air lance is connected with air supply device through described heat insulation and heat control device.
As the improvement to technique scheme, the cross section of described high-temperature gasification combustion chamber is rectangular, and described chamber floor level arranges or is obliquely installed to described flame slag notch.
As the improvement to technique scheme, described charging pushes away apparatus for ash and comprises feed hopper, the bottom of described feed hopper is provided with feeding warehouse, the bottom surface of described feeding warehouse, the bottom surface of described feeding-passage are concordant with described chamber base plate, the bottom of described feeding warehouse is provided with the expeller that can stretch in described feeding-passage, and described expeller is connected with expeller reciprocating movement driving device.
As the improvement to technique scheme, described heat insulation and heat control device comprises the cooling jacket be separately positioned on outside described rear blocking plate, described chamber base plate, described chamber top board and described chamber side plate, described cooling jacket is communicated with and is connected with circulating pump, and described circulating pump is connected to described boiler water cavity.
As the improvement to technique scheme, described air lance comprises circular body, and the lower end of described circular body is provided with flat " V " shape spout that falls, described fall " V " shape spout to be parallel to each other and perpendicular to described chamber side plate; The tube wall that described round tube body is positioned at described high-temperature gasification combustion chamber is provided with horizontal exhaust vent; The lower end of described air lance and the distance of described chamber base plate reduce from feeding-passage gradually to flame slag notch direction.
As the improvement to technique scheme, described air lance also comprises tilting the combustion-supporting jet pipe of slag towards the outer slag of described flame slag notch.
Owing to have employed technique scheme, high temperature garbage gasification power generation system, comprises 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 has abandoned traditional waste incineration principle, and by refuse collection feed bin draining, rubbish drying machine is dry, garbage drying feed bin stores, high-temperature gasification torch firing boiler for producing steam, finally generates electricity by Turbo-generator Set; The present invention sets up an efficient high-temperature gasification burning situation in high-temperature gasification torch firing boiler, by to material surface forced air supply, make the surperficial oxygen-enriched combusting of material, form a high-temp combustion surface layer, produce a large amount of heats and be blown to the internal layer of material, make that gasification, and combustion is more violent, rapidly, the peak temperature of burning can reach 1100 DEG C-1300 DEG C, all large molecule functional group after gasification, all pernicious gases such as bioxin are by heating for multiple times, gasification, decomposition participate in burning; Substantially increasing the utilization efficiency of heat energy of material, is the breakthrough improvement to boiler combustion principle of heating, and the complete resource for rubbish utilizes and provides sufficient guarantee, and discharge environmental protection, has great economic benefit and social benefit.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, 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 the top view of Fig. 3;
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 positioned on high-temperature gasification combustion chamber cross section;
Fig. 7 is the A-A direction view of Fig. 6;
Fig. 8 is the I place enlarged drawing in Fig. 5;
In figure: 1-refuse collection feed bin; 11-material grasping bucket; 2-garbage pulverator; 3-rubbish drying machine; 31-cyclone separator; 32-filtered water reservoir; 33-chimney; 4-garbage drying feed bin; 41-garbage drying material grasping bucket; 5-pay-off; 6-high-temperature gasification torch firing boiler; 61-boiler body; 62-boiler water cavity; The import of 63-boiler oil; 64-chain furnace grate; 65-boiler smoke outlet; 7-biomass high-temperature gasification jet-burning device; 71-body of heater; 72-high-temperature gasification combustion chamber; 73-flame slag notch; 74-rear blocking plate; 75-feeding-passage; 76-chamber base plate; 77-chamber top board; 78-chamber side plate; 79-air lance; The circular body of 791-; 792-is " V " shape spout; The horizontal exhaust vent of 793-; 710-feed hopper; 711-feeding warehouse; 712-expeller; 713-hydraulic cylinder; 714-cooling jacket; 715-cloth wind chamber; 716-blower fan; The combustion-supporting jet pipe of 717-slag; 8-Turbo-generator Set; 9-anaerobic fermentation tower.
Detailed description of the invention
Below in conjunction with drawings and Examples, set forth the present invention further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present invention.Undoubtedly, those of ordinary skill in the art can recognize, when without departing from the spirit and scope of the present invention, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As shown in Figure 1, high temperature garbage gasification power generation system, comprising:
Refuse collection feed bin 1, deposits cram packer and transports for collecting the rubbish of coming, and the bottom of described refuse collection feed bin 1 is provided with rubbish and gathers materials pond; The urban and rural domestic refuse that garbage truck collection comes is discharged into rubbish to gather materials in pond, and garbage truck passes in and out described refuse collection feed bin 1 place and is provided with twice gate; First open outer course gate, road closing gate now, garbage truck enters; Close outer course gate, road gate in then opening, garbage truck unloads; After having unloaded, road gate in closing, open outer course gate, garbage truck rolls away from; Ensure that whole uninstall process free from extraneous odour is overflowed; Described refuse collection feed bin 1 top is provided with material grasping bucket 11.
Garbage pulverator 2, receives the rubbish that described material grasping bucket 11 captures, is torn by refuse bag, large plastic garbage, large culled wood, textile rubbish is torn to cut off and by garbage crushing.
Rubbish drying machine 3, is positioned at described garbage pulverator 2 rear portion, for by pulverize after drying garbage; Described rubbish drying machine 3 is provided with dry gas gathering-device, and described dry gas gathering-device is connected with dry gas process device; Described dry gas process device comprises cyclone separator 31, the liquid that the lower end of described cyclone separator 31 produces connects described anaerobic fermentation tower 9 by pipeline, the outlet air end of described cyclone separator 31 is connected with filtered water reservoir 32, the gap of described filtered water reservoir 32 connects described anaerobic fermentation tower 9, and the gas outlet of described filtered water reservoir 32 is connected with chimney 33.In the present embodiment, described dry gas gathering-device is the gas skirt (not shown) being fixedly installed on dry steam outlet, and gas skirt is connected with blower fan, and blower fan is the known device that the present embodiment implies, therefore not shown, described blower fan connects described cyclone separator 31.What described rubbish drying machine 3 adopted is known material or garbage drying equipment.
Garbage drying feed bin 4, for depositing and storing and drying rubbish, to ensure the continuity that whole system is run; Described garbage drying feed bin 4 top is provided with garbage drying material grasping bucket 41.
Pay-off 5, receives the garbage drying that described garbage drying material grasping bucket 41 captures, for being carried backward by the garbage drying in described garbage drying feed bin 4; What the present embodiment adopted is known auger conveyor.
High-temperature gasification torch firing boiler 6, is positioned at the discharge outlet of described pay-off 5, and by high-temperature gasification, high temperature garbage gasification, and combustion after drying is produced steam, some vapor is connected to described rubbish drying machine 3 by pipeline; Described high-temperature gasification torch firing boiler 6 is provided with air supply device; The discharge flue of described high-temperature gasification torch firing boiler 6 is connected with flue gas processing device; The described flue gas processing device of the present embodiment utilizes general boiler smoke treating apparatus process.Because the pernicious gas that the present invention discharges and flue dust are seldom, greatly reduce the processing cost of flue dust.
Turbo-generator Set 8, after being used for garbage drying, remaining steam-reforming is electric energy.
Anaerobic fermentation tower 9, to gather materials rubbish evaporation condensate that the rubbish diffusate bottom pond, described dry gas process device produce carry out anaerobic fermentation for collecting rubbish, produce biogas, the methane outlet of described anaerobic fermentation tower 9 is connected with Biogas Generator Set.
In the present embodiment, the gas collection cap for collecting rubbish emission gases is respectively equipped with in described refuse collection feed bin 1 and described garbage drying feed bin 4, described gas collection cap by pipeline to the described air supply device being connected to described high-temperature gasification torch firing boiler 6, so namely, have collected the gas with foreign flavor that rubbish distributes, make again gas with foreign flavor participate in burning, ensure that working environment environment-protective no-smell.
As shown in Figure 2, high-temperature gasification torch firing boiler 6, comprise boiler body 61, described boiler body 61 is provided with boiler water cavity 62, boiler oil import 63, chain furnace grate 64 and boiler smoke outlet 65, and described boiler oil import 63 is fitted with biomass high-temperature gasification jet-burning device 7.
As Fig. 3, shown in Fig. 4 and Fig. 5, biomass high-temperature gasification jet-burning device, comprise body of heater 71, high-temperature gasification combustion chamber 72 is provided with in described body of heater 71, the high-temperature gasification combustion chamber 72 of the present embodiment is horizontally set, the front end of described high-temperature gasification combustion chamber 72 is provided with flame slag notch 73, the bottom of described flame slag notch 73 is as slag notch, the remainder of described flame slag notch 73 is as flame jet, the rear end of described high-temperature gasification combustion chamber 72 is provided with rear blocking plate 74, described rear blocking plate 74 is provided with feeding-passage 75, described feeding-passage 75 is connected with charging and pushes away apparatus for ash, the bottom of described high-temperature gasification combustion chamber 72 is provided with chamber base plate 76, described chamber base plate 76 is not for having the flat board in cavity, the top of described high-temperature gasification combustion chamber 72 is provided with chamber top board 77, the effect of described chamber top board 77 ensures that fuel gas is not excessive, can only move except burning to flame slag notch 73, the both sides of described high-temperature gasification combustion chamber 72 are provided with chamber side plate 78, and the effect of described chamber side plate 78 is identical with the effect of described chamber top board 77, for preventing the ablation of described rear blocking plate 74, described chamber base plate 76, described chamber top board 77 and described chamber side plate 78, described rear blocking plate 74, described chamber base plate 76, described chamber top board 77 and described chamber side plate 78 respectively correspondence are provided with heat insulation and heat control device, described chamber top board 77 is provided with the air lance 79 on some directives burning material surface, described air lance 79 is connected with air supply device through described heat insulation and heat control device.
In the present embodiment, the cross section of described high-temperature gasification combustion chamber 72 is rectangular, and described chamber base plate 76 is horizontally disposed with; Certainly in order to guide is slagged tap conveniently, described chamber base plate 76 also adopts the technical scheme be obliquely installed to described flame slag notch 73.
In the present embodiment, described charging pushes away apparatus for ash and comprises feed hopper 710, the bottom of described feed hopper 710 is provided with feeding warehouse 711, the bottom surface of described feeding warehouse 711, the bottom surface of described feeding-passage 75 is concordant with described chamber base plate 76, the bottom of described feeding warehouse 711 is provided with the expeller 712 that can stretch in described feeding-passage 75, described expeller 712 is connected with expeller reciprocating movement driving device, what the reciprocating movement driving device of expeller described in the present embodiment adopted is hydraulic cylinder 713, machinery or electronic reciprocating motion driving mechanism can certainly be adopted, these mechanisms are known, at this, it is no longer repeated.The described charging of the present embodiment pushes away the vibrational power flow of apparatus for ash, to ensure that material can move along described chamber base plate 76 to slag notch direction, also ensure a part of material simultaneously and be positioned at described feeding-passage 75, thus play the effect of feeding-passage 75 described in shutoff, prevent tempering.The expeller 712 of the present embodiment is cuboid, described feeding-passage 75 is the cuboid passage corresponding with described expeller 712, by the reciprocating motion of expeller 712, material is constantly squeezed in described high-temperature gasification combustion chamber 72 by described feeding-passage 75, new material promotes the material in front, the air of adding the ejection of described air lance 79, to the pressure on material surface, makes the material of whole described chamber base plate 76 constantly advance to described flame slag notch 73, completes the motion process of material.
Described heat insulation and heat control device comprises the cooling jacket 714 be separately positioned on outside described rear blocking plate 74, described chamber base plate 76, described chamber top board 77 and described chamber side plate 78, described cooling jacket 714 is communicated with and is connected with circulating pump (not shown), and described circulating pump is connected to boiler water cavity 62.This structure, prevents high temperature to the ablation of described rear blocking plate 74, described chamber base plate 76, described chamber top board 77 and described chamber side plate 78, is connected by cooling water, can reclaims the energy with boiler, improves the thermal efficiency of the present embodiment.The described air lance 79 of the present embodiment, through the cooling jacket 714 of described chamber top board 77, also plays the effect of cooling, improves the service life of described air lance 79 to described air lance 79 while of cooling water.Certainly, described heat insulation and heat control device also can adopt the inner surface arranging refractory masses closure plate 74, described chamber base plate 76, described chamber top board 77 and described chamber side plate 78 in the rear respectively, has same burn-out proof effect.
In the present embodiment, described air supply device comprises the cloth wind chamber 715 be arranged on outside described chamber top board 77, and described cloth wind chamber 715 is connected with blower fan 716.The effect in described cloth wind chamber 715 stores and air distribution, reduces the fluctuation of air pressure.
As shown in Figure 6 and Figure 7, in the present embodiment, described air lance 79 comprises circular body 791, and the lower end of described circular body 791 is provided with flat " V " shape spout 792 that falls, described fall " V " shape spout 792 to be parallel to each other and perpendicular to described chamber side plate 78; This spout structure and arrangement, the air-out of described air lance 79 is made to form fan-like pattern air curtain downwards, not only give the oxygen that the burning of material provides sufficient, stop that the composition that do not fire suspended is escaped simultaneously, through the stop of multilayer air curtain, make described high-temperature gasification combustion chamber 72 realize beyond thought high-temperature gasification effect, and greatly reduce with the flue dust that flame is escaped.The tube wall that described circular body 791 is positioned at described high-temperature gasification combustion chamber 72 is provided with horizontal exhaust vent 793, provides the oxygen needed for burning to the combustion gas entered near described chamber top board 77.The lower end of described air lance 79 and the distance of described chamber base plate 76 reduce from feeding-passage 75 gradually to flame slag notch 73 direction, because the material in described feeding-passage 75 is compacted, enter in described high-temperature gasification combustion chamber 72 by the promotion of described expeller 712, mass expanded, highly uprise, the spout height of the described air lance 79 corresponding in this position is higher, along with burning and the flowing of material, the height of material reduces gradually, the spout height of corresponding described air lance 79 also reduces gradually, this arrangement can realize even distributing wind, ensure the fully complete of gasification, and combustion.
As shown in Figure 8, the described air lance 79 in the present embodiment also comprises tilting the combustion-supporting jet pipe 717 of slag towards the outer slag of described flame slag notch 73.Described flame slag notch 73 is installed and is inserted in the burner hearth of high-temperature gasification torch firing boiler 6, burned flame is as the thermal source of boiler work, uncombusted lime-ash in the present embodiment course of work falls from described flame slag notch 73, fall on boiler chain furnace grate 64, enter boiler to burn away, the oxygen that the air feed system of boiler self provides lime-ash to burn from the below of fire grate, the combustion-supporting jet pipe 717 of slag provides the oxygen of burning to the lime-ash fire grate from oblique upper, so just make unburnt lime-ash be fully burned, the heat energy of material is discharged completely.
Biomass high-temperature gasification jet-burning device of the present invention has abandoned traditional fire bars grate structure, adopt the retainer plate that the chamber base plate 76 closed burns as material, material on chamber base plate 76 takes fire from top layer, described air lance 79 is to material surface forced air supply, make burning zone oxygen-enriched combusting, produce a large amount of heats and be blown to the internal layer of material, the material of internal layer carries out thermal decomposition and produces fuel gas, fuel gas is moved by the wind band trend chamber base plate 76 of described air lance 79, through the bounce-back of chamber base plate 76, again through the burning zone being positioned at material top layer, fuel gas is by further cracking in the process, owing to above material being chamber top board 77, cracked gas cannot be escaped, burn rapidly under the abundant oxygen supply of air lance 79, the peak temperature of burning can reach 1100 DEG C-1300 DEG C, at these elevated temperatures, all large molecule functional groups are continued cracking and are burnt, all pernicious gases such as bioxin is completely broken down, along with the promotion of newly entering material, material constantly moves to flame slag notch 73 direction, material constantly burns until the ashes that become containing small part carbon falling from flame slag notch 73, the flame of high temperature sprays from flame slag notch 73, enter boiler and carry out heat energy utilization, the feature that the technical program utilizes hot blast to move upward, simultaneously due to the abundant air feed of air lance 79, an approximate high-temperature gasification burning situation closed is established in body of heater 71, substantially increase the utilization efficiency of heat energy of material, be the breakthrough improvement to prior art, the complete resource for material especially living beings utilizes and provides sufficient guarantee.
The present invention has abandoned traditional waste incineration principle, and by refuse collection feed bin draining, rubbish drying machine is dry, garbage drying feed bin stores, high-temperature gasification torch firing boiler for producing steam, finally generates electricity by Turbo-generator Set; The present invention sets up an efficient high-temperature gasification burning situation in high-temperature gasification torch firing boiler, by to material surface forced air supply, make the surperficial oxygen-enriched combusting of material, form a high-temp combustion surface layer, produce a large amount of heats and be blown to the internal layer of material, make that gasification, and combustion is more violent, rapidly, the peak temperature of burning can reach 1100 DEG C-1300 DEG C, all large molecule functional group after gasification, all pernicious gases such as bioxin are by heating for multiple times, gasification, decomposition participate in burning; Substantially increasing the utilization efficiency of heat energy of material, is the breakthrough improvement to boiler combustion principle of heating, and the complete resource for rubbish utilizes and provides sufficient guarantee, and discharge environmental protection, has great economic benefit and social benefit.
The foregoing is only the schematic detailed description of the invention of the present invention, and be not used to limit scope of the present invention.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present invention and principle and amendment, all should belong to the scope of protection of the invention.
Claims (10)
1. high temperature garbage gasification power generation system, is characterized in that, comprising:
Refuse collection feed bin, for collecting the rubbish deposited cram packer transport and come; Described refuse collection feed bin top is provided with material grasping bucket, and the bottom of described refuse collection feed bin is provided with rubbish and gathers materials pond;
Garbage pulverator, receives the rubbish that described material grasping bucket captures, and by garbage crushing;
Rubbish drying machine, is positioned at described garbage pulverator rear portion, for by pulverize after drying garbage; Described rubbish drying machine is provided with gas collection cap dry gas gathering-device, and described dry gas gathering-device is connected with dry gas process device;
Garbage drying feed bin, for depositing garbage drying, described garbage drying feed bin top is provided with garbage drying material grasping bucket;
Pay-off, receives the garbage drying that described garbage drying material grasping bucket captures, for being carried backward by the garbage drying in described garbage drying feed bin;
High-temperature gasification torch firing boiler, is positioned at the discharge outlet of described pay-off, and by high-temperature gasification, high temperature garbage gasification, and combustion after drying is produced steam, some vapor is connected to described rubbish drying machine by pipeline; Described high-temperature gasification torch firing boiler is provided with air supply device; The discharge flue of described high-temperature gasification torch firing boiler is connected with flue gas processing device;
Turbo-generator Set, after being used for garbage drying, remaining steam-reforming is electric energy;
Anaerobic fermentation tower, to gather materials rubbish evaporation condensate that the rubbish diffusate bottom pond, described dry gas process device produce carry out anaerobic fermentation for collecting rubbish, producing biogas.
2. high temperature garbage gasification power generation system as claimed in claim 1, it is characterized in that, described dry gas process device comprises cyclone separator, the lower end of described cyclone separator connects described anaerobic fermentation tower by pipeline, the outlet air end of described cyclone separator is connected with filtered water reservoir, the gap of described filtered water reservoir connects described anaerobic fermentation tower, and the gas outlet of described filtered water reservoir is connected with chimney.
3. high temperature garbage gasification power generation system as claimed in claim 1, it is characterized in that, the methane outlet of described anaerobic fermentation tower is connected with Biogas Generator Set.
4. high temperature garbage gasification power generation system as claimed in claim 1, it is characterized in that, be respectively equipped with the gas collection cap for collecting rubbish emission gases in described refuse collection feed bin and described garbage drying feed bin, described gas collection cap by pipeline to the described air supply device being connected to described high-temperature gasification torch firing boiler.
5. as claim 1, 2, high temperature garbage gasification power generation system described in 3 or 4, it is characterized in that, described high-temperature gasification torch firing boiler comprises boiler body, described boiler body is provided with boiler water cavity, boiler oil import, chain furnace grate and boiler smoke outlet, described boiler oil import is fitted with biomass high-temperature gasification jet-burning device, described biomass high-temperature gasification jet-burning device comprises body of heater, high-temperature gasification combustion chamber is provided with in described body of heater, the front end of described high-temperature gasification combustion chamber is provided with flame slag notch, the rear end of described high-temperature gasification combustion chamber is provided with rear blocking plate, described rear blocking plate is provided with feeding-passage, described feeding-passage is connected with charging and pushes away apparatus for ash, the bottom of described high-temperature gasification combustion chamber is provided with chamber base plate, and the top of described high-temperature gasification combustion chamber is provided with chamber top board, and the both sides of described high-temperature gasification combustion chamber are provided with chamber side plate, described rear blocking plate, described chamber base plate, described chamber top board and described chamber side plate respectively correspondence are provided with heat insulation and heat control device, described chamber top board is provided with the air lance on some directives burning material surface, described air lance is connected with air supply device through described heat insulation and heat control device.
6. high temperature garbage gasification power generation system as claimed in claim 5, it is characterized in that, the cross section of described high-temperature gasification combustion chamber is rectangular, and described chamber floor level arranges or is obliquely installed to described flame slag notch.
7. high temperature garbage gasification power generation system as claimed in claim 5, it is characterized in that, described charging pushes away apparatus for ash and comprises feed hopper, the bottom of described feed hopper is provided with feeding warehouse, the bottom surface of described feeding warehouse, the bottom surface of described feeding-passage are concordant with described chamber base plate, the bottom of described feeding warehouse is provided with the expeller that can stretch in described feeding-passage, and described expeller is connected with expeller reciprocating movement driving device.
8. high temperature garbage gasification power generation system as claimed in claim 5, it is characterized in that, described heat insulation and heat control device comprises the cooling jacket be separately positioned on outside described rear blocking plate, described chamber base plate, described chamber top board and described chamber side plate, described cooling jacket is communicated with and is connected with circulating pump, and described circulating pump is connected to described boiler water cavity.
9. high temperature garbage gasification power generation system as claimed in claim 5, it is characterized in that, described air lance comprises circular body, and the lower end of described circular body is provided with flat " V " shape spout that falls, described fall " V " shape spout to be parallel to each other and perpendicular to described chamber side plate; The tube wall that described round tube body is positioned at described high-temperature gasification combustion chamber is provided with horizontal exhaust vent; The lower end of described air lance and the distance of described chamber base plate reduce from feeding-passage gradually to flame slag notch direction.
10. high temperature garbage gasification power generation system as claimed in claim 5, is characterized in that, described air lance also comprises tilting the combustion-supporting jet pipe of slag towards the outer slag of described flame slag notch.
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Effective date of registration: 20171130 Address after: No. 71, Yangjia village, quyi street, Changyi, Shandong Patentee after: Liu Zhenliang Address before: 261300 Changyi City, Weifang Province, the United States and the United States and the streets of the office of Tatsu Tatsu Tatsu wire Patentee before: WEIFANG JINSIDA NEW ENERGY TECHNOLOGY CO., LTD. |