CN104456576A - Melting incineration system and incineration process thereof - Google Patents
Melting incineration system and incineration process thereof Download PDFInfo
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- CN104456576A CN104456576A CN201410739737.5A CN201410739737A CN104456576A CN 104456576 A CN104456576 A CN 104456576A CN 201410739737 A CN201410739737 A CN 201410739737A CN 104456576 A CN104456576 A CN 104456576A
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- 238000002844 melting Methods 0.000 title claims abstract description 19
- 230000008018 melting Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 43
- 238000000197 pyrolysis Methods 0.000 claims abstract description 40
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000009825 accumulation Methods 0.000 claims abstract description 19
- 238000009833 condensation Methods 0.000 claims abstract description 18
- 230000005494 condensation Effects 0.000 claims abstract description 18
- 238000011084 recovery Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 claims abstract description 13
- 239000002828 fuel tank Substances 0.000 claims abstract description 13
- 239000000779 smoke Substances 0.000 claims abstract description 12
- 230000003197 catalytic effect Effects 0.000 claims abstract description 10
- 239000002737 fuel gas Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 53
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 37
- 239000003921 oil Substances 0.000 claims description 35
- 239000003546 flue gas Substances 0.000 claims description 31
- 238000002485 combustion reaction Methods 0.000 claims description 20
- 238000010304 firing Methods 0.000 claims description 16
- 230000009977 dual effect Effects 0.000 claims description 15
- 229910021529 ammonia Inorganic materials 0.000 claims description 12
- 239000003208 petroleum Substances 0.000 claims description 9
- 239000012716 precipitator Substances 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 239000000567 combustion gas Substances 0.000 claims description 6
- 238000005336 cracking Methods 0.000 claims description 5
- 238000004134 energy conservation Methods 0.000 claims description 5
- 206010021143 Hypoxia Diseases 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 208000018875 hypoxemia Diseases 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910000510 noble metal Inorganic materials 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 4
- 239000000295 fuel oil Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 238000010791 quenching Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000007499 fusion processing Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000010970 precious metal Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002920 hazardous waste Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/02—Obtaining noble metals by dry processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/027—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using cyclone separators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2700/00—Ash removal, handling and treatment means; Ash and slag handling in pulverulent fuel furnaces; Ash removal means for incinerators
- F23J2700/003—Ash removal means for incinerators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Gasification And Melting Of Waste (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention relates to a melting incineration system and an incineration process thereof and aims at decreasing the equipment occupied space, improving the cyclic utilization of the heat energy and increasing the metal recovery rate. The melting incineration system comprises a plasma incineration pyrolyzing furnace, a fuel feed and fuel-gas recovery part, a high-temperature smoke cooling and dust removal part and a feeding mechanism, wherein the main body of the plasma incineration pyrolysis furnace is a vertically arranged furnace body which consists of a melting chamber, a pyrolysis chamber, a first incineration chamber and a second incineration chamber, which are integrated; the pyrolysis chamber is arranged at the upper part; smoke chambers are arranged on two sides of the pyrolysis chamber; after running through a Y-shaped channel at the middle part, the pyrolysis chamber is connected with the melting chamber and the second incineration chamber at the lower part; one sides of the melting chamber and the pyrolysis chamber are connected with the first incineration chamber; three plasma electrodes are mounted in the melting chamber; the fuel feed and fuel-gas recovery part comprises a fuel tank, a fuel delivery pump, a fuel-gas combustor, a fuel-gas condensation separator, a fuel gas draught fan, a double-cyclone dust remover, an ammonia gas storage tank and a connection pipe; the high-temperature smoke cooling and dust removal part comprises a double-cyclone dust remover, a gravity dust remover, a heat accumulation quench cooler, a cyclone dust remover, a catalytic adsorber, a water-shower tower and a chimney.
Description
Technical field
The present invention relates to a kind of melting incineration system and carry out the technique of burning, be applicable to the burning disposal of hazardous waste etc.
Background technology
Plasma incineration technology can wipe out various poisonous and harmful substances, is a kind ofly to have the new heat energy that can be applicable to industry that high temperature, Gao Han, Heat transmission are fast, heat is concentrated.Plasma pyrolysis system utilizes the thermal-flame of plasma and powerful thermal current, by the gasification of all organic matters, cracking, reduction in stove, unburnt inorganic residues and flying dust are fused again, and plasma is under high voltages by the gas direct ionization of surrounding, the flame kernel temperature produced can continue to reach 5000 DEG C, and in order to endanger, useless rapid melting provides concentrated thermal source.Both at home and abroad, the equipment of using plasma torch incineration technology is also a lot, but not yet realize industrialization, its main cause is that the design of plasma incinerator body is unreasonable, the thermal efficiency is not high, the shortcomings such as nitrogen oxides of exhaust gas discharge capacity is large, are model machine level mostly, more do not realize recycling waste gas from incinerator.And conventional melt burning process is very large to the demand of oxygen, precious metals species produces oxidation reaction in fusion process, reduces metal recovery rate; And process equipment takes up room greatly, be unfavorable for recycling and the resource of dangerous waste disposal, minimizing and innoxious of heat energy, can not ensure that exhaust emissions meets the requirements of national environmental protection supervision and management system simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is: for above-mentioned Problems existing, a kind of melting incineration system is provided and carries out the technique of burning, reduction equipment takes up room, improve recycling of heat energy, plasma technology is utilized significantly to reduce the oxidation reaction of precious metals species in fusion process, improve metal recovery rate, and ensure that exhaust emissions meets the requirements of national environmental protection supervision and management system.
The technical solution adopted in the present invention is: a kind of melting incineration system, is characterized in that: described melting incineration system burns pyrolysis oven, fuel delivery and petroleum vapor recovery part, high-temperature flue gas cooling and dedusting part and feeding mechanism by plasma and forms, wherein:
The main body that described plasma burns pyrolysis oven is a body of heater vertically arranged, be made up of integrated melter, pyrolysis chamber, a combustion room and dual firing chamber, top is pyrolysis chamber, there is smoke chamber both sides, pyrolysis chamber, melter and the dual firing chamber of bottom is connected after the passage of middle part Y shape, the side of this two Room connects a combustion room, is provided with three plasma electrodes in melter;
Described fuel delivery and petroleum vapor recovery part are made up of fuel tank, oil transfer pump, oil-gas burner, oil gas condensation separator, combustion gas air-introduced machine, cyclone dust removal machine, ammonia storage tank and connecting pipe, wherein fuel tank connects oil-gas burner through oil transfer pump, and oil-gas burner connects a combustion room; The input of oil gas condensation separator is connected with the top of ammonia storage tank and pyrolysis chamber respectively through cyclone dust removal machine, and the output of oil gas condensation separator is connected with oil-gas burner through combustion gas air-introduced machine, bottom directly connects with the top of fuel tank 8;
Described high-temperature flue gas cooling and dedusting part is made up of cyclone dust removal machine, gravitational precipitator, accumulation of heat quencher, cyclone dust collectors, catalytic adsorption device, water pouring tower and chimney, wherein the input of cyclone dust removal machine is communicated with described smoke chamber, the output of cyclone dust removal machine drenches tower to chimney through gravitational precipitator, accumulation of heat quencher, cyclone dust collectors, catalytic adsorption device, another cyclone dust collectors, water successively, described accumulation of heat quencher also communicates with extraneous air simultaneously and is connected with oil-gas burner through pipeline, and the air of heating is sent into oil-gas burner;
Described feeding mechanism is made up of clog-free disintegrating machine, additive funnel, belt conveyor and conveying worm, and the outlet of described conveying worm is positioned at side, top, pyrolysis chamber.
Utilize above-mentioned melting incineration system to carry out the technique of burning, its step is as follows:
1, premix to be burned by the clog-free crusher in crushing in feeding mechanism, reinforced from additive funnel toward belt conveyor, drop to conveying worm again and send into pyrolysis chamber; Simultaneously, be arranged on three plasma electrode energising work in melter, produce the ultra-high temperature field of flame kernel temperatures as high 5000 DEG C in melter, under the state of anaerobic or hypoxemia, melt premix rapidly, make the noble metal in premix be molten condition;
2, a large amount of heats enters into by radiation and the mode of high-temperature flue gas thermal convection current the oil gas that pyrolysis chamber makes the organic cracking of this region premix become content of organics high, these oil gas enter fuel delivery and petroleum vapor recovery part by pipeline, oil gas after the ammonia depickling in ammonia storage tank again through the dedusting of cyclone dust removal machine, the condensation of oil gas condensation separator, the oil be separated enters fuel tank and stores, and by oil transfer pump and oil-gas burner for a combustion room, dual firing chamber provide fuel oil; The gas be separated enters oil-gas burner burning;
3, simultaneously in a combustion room and dual firing chamber, by the uncombusted material that the mode of directly burning is eliminated expendable fuel gas in high-temperature flue gas and fallen from pyrolysis chamber, and the heat that burning produces is fed back to melter as heat supplement, during continuous seepage, the heat that high-temperature flue gas burning produces concentrates release in melter, be enough to the operating temperature of maintenance melter at 1200-1600 DEG C, now plasma electrode quits work, thus reaches energy-conservation effect;
4, the high-temperature flue gas that other unburneds fall enters high-temperature flue gas cooling and dedusting part by smoke chamber, preheated air and low-temperature flue gas is become after entering the cooling of accumulation of heat quencher after cyclone dust removal machine, gravitational precipitator dedusting, a combustion room is fed back to combustion-supporting through the preheated air of accumulation of heat quencher heat exchange, after low-temperature flue gas continues through cyclone dust collectors, catalytic adsorption device, another cyclone dust collectors and water pouring tower, discharge outside eventually through chimney, wherein accumulation of heat quencher is communicated with outside atmosphere.
The invention has the beneficial effects as follows: 1, melter, pyrolysis chamber, a combustion room and dual firing chamber become one by the present invention, reduce equipment occupation space, and refine biomass fuel by techniques such as dedusting, depickling, condensations, improve recycling of heat energy; 2, the present invention technically, on cost of disposal, the ease for use of operation all has obvious advantage, realize and ensure that the resource of hazardous waste process, minimizing and innoxious, ensure that the discharge of tail gas meets the requirements of national environmental protection supervision and management system simultaneously, safer, clean, energy-conservation; 3, in the present invention cracking and pyrolytic reaction extremely low to the requirement of oxygen content, considerably reduce the oxidation reaction of precious metals species in fusion process, improve metal recovery rate.
Accompanying drawing explanation
Fig. 1 is process chart of the present invention.
Fig. 2 is the profile of melter in the present invention.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the present embodiment is the technique that a kind of melting incineration system and carrying out burns, and its melting incineration system burns pyrolysis oven, fuel delivery and petroleum vapor recovery part, high-temperature flue gas cooling and dedusting part and feeding mechanism by plasma and forms.
The main body that plasma burns pyrolysis oven is a body of heater vertically arranged, be made up of integrated melter 2, combustion room 3, pyrolysis chamber 1, one and dual firing chamber 4, top is pyrolysis chamber 1, both sides, pyrolysis chamber are provided with smoke chamber 5, melter 2 and the dual firing chamber 4 of bottom is connected after the passage of middle part Y shape, the side of this two Room connects a combustion room 3, is provided with three plasma electrodes 100 in melter 2.
Fuel delivery and petroleum vapor recovery part are made up of fuel tank 8, oil transfer pump 7, oil-gas burner 6, oil gas condensation separator 9, combustion gas air-introduced machine 10, cyclone dust removal machine 11, ammonia storage tank 12 and connecting pipe, fuel tank 8 connects oil-gas burner 6 through oil transfer pump 7, and oil-gas burner connects a combustion room 3; The input of oil gas condensation separator 9 is connected with the top of ammonia storage tank 12 and pyrolysis chamber 1 respectively after cyclone dust removal machine 11, and the output of oil gas condensation separator 9 to be connected with oil-gas burner 6 and bottom directly connects with the top of fuel tank 8 through combustion gas air-introduced machine 10.
High-temperature flue gas cooling and dedusting part is by cyclone dust removal machine 11, gravitational precipitator 13, accumulation of heat quencher 14, cyclone dust collectors 15, catalytic adsorption device 16, water drenches tower 17 and chimney 18 forms, wherein the input of cyclone dust removal machine 11 is communicated with described smoke chamber 5, the output of cyclone dust removal machine 11 is successively through gravitational precipitator 13, accumulation of heat quencher 14, cyclone dust collectors 15, catalytic adsorption device 16, another cyclone dust collectors 15, water drenches tower 17 to chimney 18, described accumulation of heat quencher 14 also communicates with extraneous air simultaneously and is connected with oil-gas burner 6 through pipeline, the air of heating is sent into oil-gas burner 6.
Feeding mechanism is made up of clog-free disintegrating machine 19, additive funnel 20, belt conveyor 21 and conveying worm 22, and the outlet of conveying worm is positioned at side, top, pyrolysis chamber 1.
The ultra-high temperature field (more than 5000 DEG C) that the present embodiment utilizes plasma torch to produce melts premix rapidly under anaerobic or the state at hypoxemia, the noble metal in melter 2 is made to be molten condition, a large amount of heats enters into pyrolysis chamber 1 by the mode of radiation and high-temperature flue gas 25 thermal convection current, make the organic matter in the premix in this region be cracked into rapidly the high oil gas of content of organics 28, extract flammable liquid for condensation in oil gas purification process and create good condition; Simultaneously by a combustion room 3, in dual firing chamber 4 with the uncombusted material 29 that the mode of directly burning is eliminated expendable fuel gas in high-temperature flue gas 25 and fallen from pyrolysis chamber 1, and the heat that burning produces is fed back to melter 2 as heat supplement, when continuous seepage, flue gas enters melter 2 after firing the burning of room 3 and dual firing chamber 4 by one, the heat of high-temperature flue gas 25 concentrates release in melter 2, the 1200-1600 DEG C of operating temperature that melter 2 is maintained, now plasma electrode 100 quits work, thus reaches energy-conservation effect.The processing step of concrete burning is as follows:
1, premix to be burned is broken by clog-free disintegrating machine 19 in feeding mechanism, reinforced toward belt conveyor 21 from additive funnel 20, drop to conveying worm 22 again sends into pyrolysis chamber 1; Simultaneously, three plasma electrodes 100 be arranged in melter 2 are energized work, produce the ultra-high temperature field of flame kernel temperatures as high 5000 DEG C in melter 2, under the state of anaerobic or hypoxemia, melt premix rapidly, make the noble metal in premix be molten condition;
2, a large amount of heats enters into by radiation and the mode of high-temperature flue gas 25 thermal convection current the oil gas 28 that pyrolysis chamber 1 makes the organic cracking of this region premix become content of organics high, these oil gas enter fuel delivery and petroleum vapor recovery part by pipeline, oil gas 28 after the ammonia depickling in ammonia storage tank 12 again through cyclone dust removal machine 11 dedusting, oil gas condensation separator 9 condensation, the oil be separated enters fuel tank 8 and stores, and by oil transfer pump 7 and oil-gas burner 6 for a combustion room 3, dual firing chamber 4 provide fuel oil 30; The gas be separated enters oil-gas burner 6 and burns;
3, simultaneously in a combustion room 3 and dual firing chamber 4, by the uncombusted material 29 that the mode of directly burning is eliminated expendable fuel gas in high-temperature flue gas 25 and fallen from pyrolysis chamber 1, and the heat that burning produces is fed back to melter 2 as heat supplement, during continuous seepage, the heat that high-temperature flue gas 25 burning produces concentrates release in melter 2, be enough to the operating temperature of maintenance melter at 1200-1600 DEG C, now plasma electrode 100 quits work, thus reaches energy-conservation effect;
4, the high-temperature flue gas 25 that other unburneds fall enters high-temperature flue gas cooling and dedusting part by smoke chamber 5, preheated air 27 and low-temperature flue gas 26 is become after entering accumulation of heat quencher 14 cooling after cyclone dust removal machine 11, gravitational precipitator 13 dedusting, a combustion room 3 is fed back to combustion-supporting through the preheated air 27 of accumulation of heat quencher 14 heat exchange, after low-temperature flue gas 26 continues through cyclone dust collectors 15, catalytic adsorption device 16, another cyclone dust collectors 15 and water pouring tower 17, discharge outside eventually through chimney, wherein accumulation of heat quencher 14 is communicated with outside atmosphere.
Claims (2)
1. a melting incineration system, is characterized in that: described melting incineration system burns pyrolysis oven, fuel delivery and petroleum vapor recovery part, high-temperature flue gas cooling and dedusting part and feeding mechanism by plasma and forms, wherein:
The main body that described plasma burns pyrolysis oven is a body of heater vertically arranged, be made up of integrated melter (2), pyrolysis chamber (1), combustion room (3) and dual firing chamber (4), top is pyrolysis chamber (1), there is smoke chamber (5) both sides, pyrolysis chamber, melter (2) and the dual firing chamber (4) of bottom is connected after the passage of middle part Y shape, the side of this two Room connects combustion room (3), is provided with three plasma electrodes (100) in melter (2);
Described fuel delivery and petroleum vapor recovery part are made up of fuel tank (8), oil transfer pump (7), oil-gas burner (6), oil gas condensation separator (9), combustion gas air-introduced machine (10), cyclone dust removal machine (11), ammonia storage tank (12) and connecting pipe, wherein fuel tank (8) connects oil-gas burner (6) through oil transfer pump (7), and oil-gas burner connects combustion room (3); The input of oil gas condensation separator (9) is connected with the top of ammonia storage tank (12) and pyrolysis chamber (1) respectively through cyclone dust removal machine (11), and the output of oil gas condensation separator (9) is connected with oil-gas burner (6) through combustion gas air-introduced machine (10), bottom directly connects with the top of fuel tank 8;
Described high-temperature flue gas cooling and dedusting part is by cyclone dust removal machine (11), gravitational precipitator (13), accumulation of heat quencher (14), cyclone dust collectors (15), catalytic adsorption device (16), water drenches tower (17) and chimney (18) composition, wherein the input of cyclone dust removal machine (11) is communicated with described smoke chamber (5), the output of cyclone dust removal machine (11) is successively through gravitational precipitator (13), accumulation of heat quencher (14), cyclone dust collectors (15), catalytic adsorption device (16), another cyclone dust collectors (15), water drenches tower (17) to chimney (18), described accumulation of heat quencher (14) also communicates with extraneous air simultaneously and is connected with oil-gas burner (6) through pipeline, the air of heating is sent into oil-gas burner (6),
Described feeding mechanism is made up of clog-free disintegrating machine (19), additive funnel (20), belt conveyor (21) and conveying worm (22), and the outlet of described conveying worm is positioned at pyrolysis chamber (1) side, top.
2. melting incineration system as claimed in claim 1 carries out a technique of burning, and its processing step is as follows:
2.1 premixes to be burned are broken by the clog-free disintegrating machine (19) in feeding mechanism, feed in raw material from additive funnel (20) toward belt conveyor (21), drop to conveying worm (22) again sends into pyrolysis chamber (1); Simultaneously, be arranged on three plasma electrode (100) energising work in melter (2), the ultra-high temperature field of flame kernel temperatures as high 5000 DEG C is produced in melter (2), under the state of anaerobic or hypoxemia, melt premix rapidly, make the noble metal in premix be molten condition;
2.2 a large amount of heats enter into by radiation and the mode of high-temperature flue gas (25) thermal convection current the oil gas (28) that pyrolysis chamber (1) makes the organic cracking of this region premix become content of organics high, these oil gas enter fuel delivery and petroleum vapor recovery part by pipeline, oil gas (28) after the ammonia depickling in ammonia storage tank (12) again through cyclone dust removal machine (11) dedusting, oil gas condensation separator (9) condensation, the oil be separated enters fuel tank (8) and stores, and be a combustion room (3) by oil transfer pump (7) and oil-gas burner (6), dual firing chamber (4) provides fuel oil (30), the gas be separated enters oil-gas burner (6) burning,
2.3 simultaneously in combustion room (3) and dual firing chamber (4), by the uncombusted material (29) that the mode of directly burning is eliminated expendable fuel gas in high-temperature flue gas (25) and fallen from pyrolysis chamber (1), and the heat that burning produces is fed back to melter (2) as heat supplement, during continuous seepage, the heat that high-temperature flue gas (25) burning produces concentrates release in melter (2), be enough to the operating temperature of maintenance melter at 1200-1600 DEG C, now plasma electrode (100) quits work, thus reach energy-conservation effect,
The high-temperature flue gas (25) that 2.4 other unburneds fall enters high-temperature flue gas cooling and dedusting part by smoke chamber (5), by cyclone dust removal machine (11), preheated air (27) and low-temperature flue gas (26) is become after entering accumulation of heat quencher (14) cooling after gravitational precipitator (13) dedusting, a combustion room (3) is fed back to combustion-supporting through the preheated air (27) of accumulation of heat quencher (14) heat exchange, low-temperature flue gas (26) continues through cyclone dust collectors (15), catalytic adsorption device (16), after another cyclone dust collectors (15) and water drench tower (17), discharge outside eventually through chimney, wherein accumulation of heat quencher (14) is communicated with outside atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410739737.5A CN104456576B (en) | 2014-12-08 | 2014-12-08 | Melting incineration system and incineration process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410739737.5A CN104456576B (en) | 2014-12-08 | 2014-12-08 | Melting incineration system and incineration process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104456576A true CN104456576A (en) | 2015-03-25 |
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| CN107120656A (en) * | 2017-05-09 | 2017-09-01 | 周冲 | A kind of indirect thermal cracking and lime-ash burning melting furnace and its processing method |
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| CN109161402A (en) * | 2018-09-19 | 2019-01-08 | 天津大学 | Solid waste plasma gasification processing unit and method |
| CN110056882A (en) * | 2019-04-14 | 2019-07-26 | 山西熔融环保科技有限公司 | A kind of fuse salt refuse disposal system and method based on heat storage type combustion |
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| CN111520722A (en) * | 2020-04-26 | 2020-08-11 | 攀枝花市蓝鼎环保科技有限公司 | High-temperature plasma burning pyrolysis furnace for industrial solid waste treatment |
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