CN104711032A - High-temperature plasma waste gasification and cracking furnace - Google Patents
High-temperature plasma waste gasification and cracking furnace Download PDFInfo
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- CN104711032A CN104711032A CN201510088835.1A CN201510088835A CN104711032A CN 104711032 A CN104711032 A CN 104711032A CN 201510088835 A CN201510088835 A CN 201510088835A CN 104711032 A CN104711032 A CN 104711032A
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- 238000002309 gasification Methods 0.000 title claims abstract description 36
- 239000002699 waste material Substances 0.000 title claims abstract description 14
- 238000005336 cracking Methods 0.000 title abstract description 16
- 239000002893 slag Substances 0.000 claims description 34
- 239000010813 municipal solid waste Substances 0.000 claims description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 12
- 239000003818 cinder Substances 0.000 claims description 5
- 239000002360 explosive Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 2
- 239000011819 refractory material Substances 0.000 claims description 2
- 210000002381 plasma Anatomy 0.000 abstract description 47
- 239000000446 fuel Substances 0.000 abstract description 4
- 239000011521 glass Substances 0.000 abstract description 4
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 4
- 239000002910 solid waste Substances 0.000 abstract description 3
- 239000003440 toxic substance Substances 0.000 abstract description 3
- 231100000614 poison Toxicity 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
- 239000007789 gas Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002361 compost Substances 0.000 description 2
- 239000006063 cullet Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000000383 hazardous chemical Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000009272 plasma gasification Methods 0.000 description 2
- 239000013502 plastic waste Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000003923 scrap metal Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000010920 waste tyre Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000001706 oxygenating effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
- C10J2300/123—Heating the gasifier by electromagnetic waves, e.g. microwaves
- C10J2300/1238—Heating the gasifier by electromagnetic waves, e.g. microwaves by plasma
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a high-temperature plasma waste gasification and cracking furnace, which comprises a furnace body, a feeding system arranged on one side of the furnace body, a discharge system arranged at the bottom end of the furnace body and a gas outlet formed in one side of the furnace body, wherein a group of plasma generators is arranged at the lower end of the furnace body; a group of rotating nozzles forming certain included angles with the central perpendicular line of the furnace body is arranged at the upper ends of the plasma generators; a group of temperature thermocouples is arranged on the outer side of the furnace body respectively. According to the high-temperature plasma waste gasification and cracking furnace, arc temperature higher than 5,500 DEG C can be achieved by high-temperature plasmas, the gasification and cracking furnace is heated to more than 1,500 DEG C and even higher temperature to gasify and crack waste to generate synthetic gas to provide heat energy, generate steam, generate power and refine multiple fuels and combustible gas by utilizing the high heat density and high-temperature arcs of the plasma generators, and is applied to any solid waste, secondary pollution is avoided, and discharged glass ash residues are free of toxic substances such as dioxin and heavy metal.
Description
Technical field
The invention belongs to refuse treatment plant, be specifically related to a kind of high-temperature plasma refuse gasification pyrolyzer.
Background technology
China's population more than 1,300,000,000, Municipal Garbage Yield 520,000 tons/day, per capital production 1.02 kg/day, there is garbage-surrounded city phenomenon in each large, medium and small city all to some extent.Current process municipal wastes remains based on sanitary landfill, and compost and burning are auxiliary, and landfill and compost need to take a large amount of soil and space, pollutes local environment and underground water simultaneously, is acknowledged as the last selection of refuse treatment.And waste incineration can realize minimizing and innoxious process to a certain extent, then suffer the query of the public due to its potential secondary pollution (as produced Dioxins, heavy metal).
US Westinghouse company just started as Nasa builds plasmatorch, for the test of sheating material at 5500 DEG C of the aviation airship in Apollo space program as far back as the sixties in 20th century.At the end of the nineties, the plasma gasification project of first pilot scale is built up in Japan, is mainly used in domestic refuse, sewage sludge, and the residue after junked-auto pulverizing changes into new forms of energy.
In the last few years, some companies (as AlterNRG company) actively pushed forward the plasma body refuse treatment project of building commercial scale on Chinese Shanghai, Wuhan, Guizhou and other places, and Shanghai, Wuhan refuse treatment project have been in debugging construction.
Later stage eighties China's introduction of foreign technology has carried out some plasma research trials.Along with constantly development and improvement, current domestic plasma ignition device is all utilize galvanic current contacting ignition arc under the condition of air dielectric air pressure 0.005 ~ 0.02MPa substantially, the direct current air plasma body of below 350kW is obtained under high-intensity magnetic field controls, plasma body is along with the difference of power, the core temperature formed after electric arc is also had nothing in common with each other, 350kW power can produce the local center high-temperature zone of T > 5500 DEG C, thermograde progressively weakens from inside to outside, arc length reaches 400mm most, be mainly used in power boiler breeze igniting, updated by businessman and optimize the igniting of plasma body coal dust technically, performance reaches maturity state substantially.But be applied to domestic temporary nothing in refuse gasification cracking furnace and technique thereof.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides one plasma generator height heat density and high-temperature electric arc and refuse gasification cracking is produced synthetic gas, heat energy, steam-electric power etc. are provided, refine multiple can the gentle body of fuel oil, the lime-ash of discharge forms a kind of refuse gasification pyrolyzer of glassy product.
Technical scheme: for solving the problems of the technologies described above, provided by the invention it comprises housing, furnace body, is located at the feeding system of furnace body side, is located at the blanking system of furnace body bottom and is located at the air outlet of furnace body side; Described furnace body lower end is provided with one group of plasma generator, be located at ion generator upper end and the one group swivel nozzle (3) in a certain angle with furnace body central vertical line, one group of temperature thermo-coupler and oxygen amount detector (19) is respectively equipped with outside furnace body, described housing is communicated with temperature thermo-coupler, oxygen amount detector, plasma generator, blanking system and swivel nozzle respectively, and housing controls swivel nozzle and plasma generator by internal processes.The internal processes of described housing is:
1) minimum temperature receiving temperature thermo-coupler III when housing is detected as≤and 1500 DEG C, open all plasma generators, when temperature is 1600 DEG C, to stop transport a plasma generator, when temperature is 1650 DEG C, to stop transport two plasma generators, cut off a plasma generator every 50 DEG C, the like;
2) housing is according to oxygen level threshold in incineration firing kind setting stove in stove, when oxygen level in stove is higher than this threshold, reduces churning unrounded number or reduces whirlwind nozzle input terminus pressure;
3) housing sets slag valve blanking load-bearing threshold, start fall slag valve I time, waste residue is just fallen on slag valve II, the slag valve II that now falls is in closing condition, when the slag valve II that falls reaches setting load-bearing threshold, the slag valve I that falls restarts the slag valve II that falls after closing, and waste residue drops out, and do not fall slag twice valve place closing condition.
Further, described plasma generator can install 2 or multiple, forms symmetrical structure when installing 2, forms that uniform setting angle is inclined upwardly to the heart injection structure during multiple installation, and plasma arc flare can based on close.Because temperature distribution in vapourizing furnace is different, organic waste enters vapourizing furnace and gasifies at material blanking tube annex, the rubbish of more difficult gasification in dropping process along with temperature rise gasification, the rubbish of corresponding more difficult gasification is as iron filings, glass etc., drop into the situation gasified cracking of high-temperature zone in anoxic, to the last burn molten molten.
Further, described whirlwind nozzle can install 4,6 or more, forms uniform form one group, not just to body of heater center during installation, at a certain angle with body of heater center, upwards tilts to some extent simultaneously.Air wind enters burner hearth and forms one group and to be inclined upwardly and around the Whirl deposite tank of central rotation.One is to oxygenating in refuse gasification process, and gasification cracking produces CO and H2, and two is allow the rubbish fallen form eddy flow state, and light refuse forms suspension, reduces rubbish lowering speed.
Further, described feeding system comprises rubbish feed bin, the tremie pipe be connected with rubbish feed bin, is located at feeding machine between rubbish feed bin and tremie pipe, blind flange is located at tremie pipe end, tremie pipe and have certain gradient.Control feed through pulverizing dried rubbish by feeding machine, rubbish drops in stove through slope after falling tremie pipe.Blind flange seals, and takes blind flange inspection gallery road capable of washing during blowing out apart.
Further, the blind plate thin aluminum sheet of described explosive door makes, in order to avoid vapourizing furnace boosting discharges suddenly nowhere play pressure release safety effect, explosive door can be opened when blowing out, can do manhole use, facilitates vapourizing furnace to overhaul.
Further, described temperature thermo-coupler I, temperature thermo-coupler II, temperature thermo-coupler II are used for detecting each section of temperature in stove respectively, control in-furnace temperature, require to increase or to reduce according to design temperature the quantity that plasma devotes oneself to work.Further, described blanking system comprises falling cinder notch and is located at the slag valve I and the slag valve II that falls that falls of cinder notch respectively, and when needing deslagging, the twice slag door that falls alternately is opened, and has one to locate closing condition all the time and keep sealing in the slag process that falls.
Further, a thermometer and tensimeter is respectively equipped with outside described furnace body.
Further, described furnace body is provided with a converter body support pin.
Further, in described furnace body, outside scribbles one deck refractory materials.
In the present invention, high-temperature plasma carries out gasification cracking to rubbish, extracts callable article and the simple carbon back of conversion and the synthetic gas of hydrogen from rubbish, also can participate in burning directly or for refining into more high-grade fuels and chemicals.The synthetic gas that gasification cracking furnace is discharged can receive through overcooling and store, hotblast stove can be participated in directly, steam boiler burning provides hot blast, produces steam or generating etc., also can be used to refine the chemical such as inflammable gas, ethanol, propyl alcohol, diesel oil, heavy oil, a kind of glassy mass after the lime-ash cooling that the slag door row that falls goes out, due to its structure closely, be suitable as very much material of construction and fire-retardant material uses.Utilizing plasma gasification technology municipal solid wastes to be converted into the energy is a new technology, has very large potentiality.
Beneficial effect: the present invention has the following advantages in terms of existing technologies:
The present invention adopts high-temperature plasma physical efficiency to send the arc temperature being greater than 5500 DEG C, utilize plasma generator height heat density and high-temperature electric arc heating and gasifying pyrolyzer to more than 1500 DEG C, even refuse gasification cracking is produced synthetic gas by higher temperature, heat energy is provided, refining multiple fuel and inflammable gas, be adapted to any solid waste rubbish, as plastic waste, scrap tire rubber, scrap metal part, glass cullet, the process of the hazardous substance such as Biohazard Waste, the lime-ash discharged forms a kind of glassy product, realize real rubbish processing to be harmless, Wu dioxin, the toxic substances such as heavy metal produce.The synthetic gas that all refuse gasification cracking produce is discharged from air outlet, can receive through overcooling and store, hotblast stove can be participated in directly, steam boiler burning provides hot blast, produces steam or generating etc., also can be used to refine the chemical such as inflammable gas, ethanol, propyl alcohol, diesel oil, heavy oil.A kind of glassy mass after the lime-ash cooling gone out from the slag door row that falls, by other technique separable go out noble metal material, its lime-ash, due to its full texture structure, is suitable as material of construction and uses very much.The present invention has great economy social value in eco-friendly power source etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the 150KW plasma arc size hygrogram in the present invention.
Fig. 3 is that in the present invention, gasifier temperature controls sketch.
Fig. 4 is that the present invention declines slag valve steering logic figure.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, a kind of high-temperature plasma refuse gasification pyrolyzer, comprise housing, furnace body 2, be located at furnace body 2 side feeding system, be located at the blanking system of furnace body bottom and be located at the air outlet 7 of furnace body side; Described furnace body lower end is provided with one group of plasma generator 4, is located at ion generator 4 upper end and the one group swivel nozzle 3 in a certain angle with furnace body central vertical line, is respectively equipped with one group of temperature thermo-coupler and oxygen amount detector 19 outside furnace body.Described housing is communicated with temperature thermo-coupler, oxygen amount detector 19, plasma generator 4, blanking system and swivel nozzle 3 respectively, and housing controls swivel nozzle 3 and plasma generator 4 by internal processes.
The parts rubbish feed bin 1 of feeding system, tremie pipe 5, feeding machine 6, blind flange 18 connect as a whole, rubbish feed bin 1 is higher than cracking furnace, feeding machine 6 connects rubbish feed bin 1 and tremie pipe 5, tremie pipe 5 tilts to be connected to furnace body 2 top, upper described connection adopts steel plate, pipeline welding mode, blind flange 18 is connected to tremie pipe 5 left side, and mode of connection adopts blind flange intermediate cryptographic packing mode of connection, and tremie pipe 5 material adopts heat-resistance stainless steel to make.
Plasma generator 4 is arranged on furnace body bottom, forms symmetrical structure when installing two, forms that uniform setting angle is inclined upwardly to the heart injection structure when installing multiple, and plasma arc flare can based on close.
Whirlwind nozzle 3 is arranged on furnace body bottom a little more than ion generator 4, and its quantity can install 4,6 or more according to plasma generator 4 quantity and power, forms uniform state one group.Not just to furnace body (2) center during installation, at a certain angle with furnace body 2 center, upwards tilt to some extent simultaneously.
Blanking system is made up of the slag valve I9 that falls, the slag valve II17 that falls, the cinder notch 10 that falls, and is connected to the bottommost of furnace body 2.Air outlet 7 is connected to furnace body 2 right-hand member topmost.As shown in Figure 4, when startup falls slag valve I, waste residue is just fallen on slag valve II, and the slag valve II that now falls is in closing condition, and when needing waste residue to discharge, the slag valve I that falls restarts the slag valve II that falls after closing, and waste residue drops out.Do not fall slag twice valve place closing condition.
Explosive door 8 is arranged on the top highest point of furnace body 2, similar blind flange structure, and explosion plate thin aluminum sheet makes, in order to avoid vapourizing furnace boosting discharges suddenly nowhere play pressure release safety effect.
Thermometer 12, tensimeter 13 are installed on the top of furnace body 2, detection display in-furnace temperature and pressure.
Temperature thermo-coupler I14 is installed on the top of furnace body 2, and temperature thermo-coupler II15 is installed on the middle part of furnace body 2, and temperature thermo-coupler III16 is installed on the bottom of furnace body 2 near plasma body place, detects each hierarchy temperatures in stove gasification cracking portion respectively.As shown in Figure 3, because minimum gasification temperature >=1500 DEG C of hypomere in stove will be ensured, could all refuse gasifications, thus the control of in-furnace temperature control with temperature thermo-coupler III, when the temperature is low≤1500 DEG C, all plasmas put into operation heating and gasifying stove until temperature reach 1500 DEG C require after drop into refuse gasification, when temperature >=1600 DEG C, to stop transport No. 1 plasma, as temperature continue to rise >=1650 DEG C time, No. 2 plasmas of stopping transport, when temperature >=1700 DEG C, No. 3 plasmas of stopping transport (this sentences 4 plasmas is that example illustrates).According to treating refuse amount, select and set the plasma quantity needing to drop into.
Oxygen amount detector 19 is used for detecting oxygen level in stove, because of oxygen amount in stove can not affluence can only anoxic condition, guarantee the not burned and only generating gasification of rubbish.Such as control oxygen coefficient 0.8, carry out test and monitoring by oxygen amount detector, as oxygen amount is higher, whirlwind nozzle 3 input quantity can be controlled or reduce whirlwind nozzle input terminus pressure etc.These controlling functions add solenoid and relief valve etc. in whirlwind nozzle upstream just can be accomplished easily.Do not describe in detail herein.
Converter body support pin 20 welds with furnace body 2 and plays a supportive role.
As shown in Figure 2,150KW plasma arc size hygrogram, plasma body is along with the difference of power, the core temperature formed after electric arc is also had nothing in common with each other, 350kW power can produce the local center high-temperature zone of T > 5500 DEG C, thermograde progressively weakens from inside to outside, and arc length reaches 400mm most, maximum at temperature 2000 DEG C of annex arc diameters.
The present invention adopts high-temperature plasma physical efficiency to send the arc temperature being greater than 5500 DEG C, utilize plasma generator height heat density and high-temperature electric arc heating and gasifying pyrolyzer to more than 1500 DEG C, even refuse gasification cracking is produced synthetic gas by higher temperature, heat energy is provided, refining multiple fuel and inflammable gas, be adapted to any solid waste rubbish, as the process of the hazardous substance such as plastic waste, scrap tire rubber, scrap metal part, glass cullet, Biohazard Waste, the lime-ash discharged forms a kind of glassy product, realizes real rubbish processing to be harmless.
The synthetic gas that all refuse gasification cracking produce is discharged from air outlet, can receive through overcooling and store, hotblast stove can be participated in directly, steam boiler burning provides hot blast, produces steam or generating etc., also can be used to refine the chemical such as inflammable gas, ethanol, propyl alcohol, diesel oil, heavy oil.
A kind of glassy mass after the lime-ash cooling gone out from the slag door row that falls, by other technique separable go out noble metal material, its lime-ash, due to its full texture structure, is suitable as material of construction and fire-retardant material uses very much.Realize real rubbish processing to be harmless, produce Wu the toxic substance such as dioxin, heavy metal.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a high-temperature plasma refuse gasification pyrolyzer, is characterized in that: it comprises housing, furnace body (2), is located at the feeding system of furnace body side, the blanking system being located at furnace body bottom and the air outlet (7) being located at furnace body side; Described furnace body lower end is provided with one group of plasma generator (4), be located at ion generator upper end and the one group swivel nozzle (3) in a certain angle with furnace body central vertical line, one group of temperature thermo-coupler and oxygen amount detector (19) is respectively equipped with outside furnace body, described housing is communicated with temperature thermo-coupler, oxygen amount detector (19), plasma generator (4), blanking system and swivel nozzle (3) respectively, and housing controls swivel nozzle (3) and plasma generator (4) by internal processes.
2. high-temperature plasma refuse gasification pyrolyzer according to claim 1, it is characterized in that: described plasma generator (4) installs 2,4,6 or multiple, symmetrical structure is formed when installing 2, formed uniform to the heart injection structure during multiple installation, setting angle is inclined upwardly, and plasma arc flare can based on close.
3. high-temperature plasma refuse gasification pyrolyzer according to claim 1, it is characterized in that: it is characterized in that described temperature thermo-coupler comprises temperature thermo-coupler I(14 respectively), temperature thermo-coupler II(15) and temperature thermo-coupler III(16), described temperature thermo-coupler I(14) and temperature thermo-coupler II(15) be located at the two ends up and down of furnace body side, temperature thermo-coupler III(16 respectively) be located between swivel nozzle (3) and plasma generator; Temperature thermo-coupler I(14), temperature thermo-coupler II(15), temperature thermo-coupler III(16) be used for respectively detecting each section of temperature in stove, control the input number of in-furnace temperature and plasma generator (4).
4. high-temperature plasma refuse gasification pyrolyzer according to claim 1, is characterized in that: described blanking system comprises falling cinder notch (10) and two assembly drop slag valve I (9) of being located at respectively on cinder notch (10) and the slag valve II (17) that falls.
5. the high-temperature plasma refuse gasification pyrolyzer according to claim 1,3 or 5, is characterized in that: the internal processes in described watch-keeping cubicle is:
1) minimum temperature receiving temperature thermo-coupler III when housing is detected as≤and 1500 DEG C, open all plasma generators, when temperature is 1600 DEG C, to stop transport a plasma generator, when temperature is 1650 DEG C, two plasma generators of stopping transport, the like;
2) housing is according to oxygen level threshold in incineration firing kind setting stove in stove, when oxygen level in stove is higher than this threshold, reduces churning unrounded number or reduces whirlwind nozzle input terminus pressure;
3) housing sets slag valve blanking load-bearing threshold, start fall slag valve I time, waste residue is just fallen on slag valve II, the slag valve II that now falls is in closing condition, when the slag valve II that falls reaches setting load-bearing threshold, the slag valve I that falls restarts the slag valve II that falls after closing, and waste residue drops out, and do not fall slag twice valve place closing condition.
6. high-temperature plasma refuse gasification pyrolyzer according to claim 1, it is characterized in that: described feeding system comprises rubbish feed bin (1), the tremie pipe (5) be connected with rubbish feed bin, is located at feeding machine (6) between rubbish feed bin and tremie pipe, blind flange (18) is located at tremie pipe end, and blanking falls, and (5) have certain ramp rate.
7. high-temperature plasma refuse gasification pyrolyzer according to claim 1, is characterized in that: be provided with an explosive door blind plate (8) made of thin aluminum sheet above described furnace body, also can be able to open during blowing out, can do manhole and use.
8. high-temperature plasma refuse gasification pyrolyzer according to claim 1, is characterized in that: be respectively equipped with a thermometer (12) and tensimeter (13) outside described furnace body.
9. high-temperature plasma refuse gasification pyrolyzer according to claim 1, is characterized in that: described furnace body is provided with a converter body support pin (20).
10. high-temperature plasma refuse gasification pyrolyzer according to claim 1, is characterized in that: in described furnace body, outside scribbles one deck refractory materials.
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| CN201510088835.1A CN104711032A (en) | 2015-02-26 | 2015-02-26 | High-temperature plasma waste gasification and cracking furnace |
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| CN201510088835.1A CN104711032A (en) | 2015-02-26 | 2015-02-26 | High-temperature plasma waste gasification and cracking furnace |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105018149A (en) * | 2015-08-05 | 2015-11-04 | 中国东方电气集团有限公司 | Domestic refuse plasma gasification reaction furnace |
| CN105757681A (en) * | 2016-03-21 | 2016-07-13 | 安徽未名生物环保有限公司 | Temperature control falling system |
| CN106594757A (en) * | 2016-11-07 | 2017-04-26 | 娈疯 | High-temperature plasma sludge incineration device |
| CN107629820A (en) * | 2017-09-22 | 2018-01-26 | 中国华能集团公司 | A kind of gasification furnace and gasification process suitable for pluralities of fuel co-gasification |
| CN110280568A (en) * | 2019-07-03 | 2019-09-27 | 中国科学院力学研究所 | A kind of danger solid waste method of plasma processing and device |
| CN110686245A (en) * | 2019-10-10 | 2020-01-14 | 北京航空航天大学 | Long-life high temperature plasma torch medical waste innocent treatment system |
| CN110715301A (en) * | 2019-10-20 | 2020-01-21 | 安徽航天环境工程有限公司 | Plasma treatment device for household garbage |
| CN111909731A (en) * | 2020-07-13 | 2020-11-10 | 广东宝杰环保科技有限公司 | Automatic operation system of gasification equipment |
| CN112708473A (en) * | 2019-10-25 | 2021-04-27 | 中国石油化工股份有限公司 | Gasification device and gasification method for producing synthesis gas by co-gasification of multiple materials and coal |
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| CN105018149B (en) * | 2015-08-05 | 2017-07-18 | 中国东方电气集团有限公司 | A kind of house refuse plasma gasification reacting furnace |
| CN105018149A (en) * | 2015-08-05 | 2015-11-04 | 中国东方电气集团有限公司 | Domestic refuse plasma gasification reaction furnace |
| CN105757681A (en) * | 2016-03-21 | 2016-07-13 | 安徽未名生物环保有限公司 | Temperature control falling system |
| CN105757681B (en) * | 2016-03-21 | 2018-09-11 | 安徽未名生物环保有限公司 | A kind of temperature difference control blanking system |
| CN106594757A (en) * | 2016-11-07 | 2017-04-26 | 娈疯 | High-temperature plasma sludge incineration device |
| CN107629820B (en) * | 2017-09-22 | 2023-07-11 | 中国华能集团公司 | Gasification furnace and gasification method suitable for common gasification of multiple fuels |
| CN107629820A (en) * | 2017-09-22 | 2018-01-26 | 中国华能集团公司 | A kind of gasification furnace and gasification process suitable for pluralities of fuel co-gasification |
| CN110280568A (en) * | 2019-07-03 | 2019-09-27 | 中国科学院力学研究所 | A kind of danger solid waste method of plasma processing and device |
| CN110686245A (en) * | 2019-10-10 | 2020-01-14 | 北京航空航天大学 | Long-life high temperature plasma torch medical waste innocent treatment system |
| CN110715301A (en) * | 2019-10-20 | 2020-01-21 | 安徽航天环境工程有限公司 | Plasma treatment device for household garbage |
| CN112708473A (en) * | 2019-10-25 | 2021-04-27 | 中国石油化工股份有限公司 | Gasification device and gasification method for producing synthesis gas by co-gasification of multiple materials and coal |
| CN112708473B (en) * | 2019-10-25 | 2023-04-07 | 中国石油化工股份有限公司 | Gasification device and gasification method for producing synthesis gas by co-gasification of multiple materials and coal |
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Application publication date: 20150617 |