CN113339807A - Pyrolysis and plasma melting synergic cracking furnace for solid waste - Google Patents
Pyrolysis and plasma melting synergic cracking furnace for solid waste Download PDFInfo
- Publication number
- CN113339807A CN113339807A CN202110606580.9A CN202110606580A CN113339807A CN 113339807 A CN113339807 A CN 113339807A CN 202110606580 A CN202110606580 A CN 202110606580A CN 113339807 A CN113339807 A CN 113339807A
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- pyrolysis
- plasma melting
- furnace
- solid waste
- sealing cover
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 72
- 238000002844 melting Methods 0.000 title claims abstract description 40
- 230000008018 melting Effects 0.000 title claims abstract description 40
- 239000002910 solid waste Substances 0.000 title claims abstract description 15
- 238000005336 cracking Methods 0.000 title claims abstract description 11
- 230000002195 synergetic effect Effects 0.000 title description 3
- 238000002309 gasification Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000000746 purification Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims 4
- 241001330002 Bambuseae Species 0.000 claims 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 4
- 239000011425 bamboo Substances 0.000 claims 4
- 239000002893 slag Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011027 product recovery Methods 0.000 abstract description 3
- 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 description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 8
- 239000010813 municipal solid waste Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
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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
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/10—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating electric
-
- 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
- F23G5/20—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having rotating or oscillating drums
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/02—Apparatus for removing ash, clinker, or slag from ash-pits, e.g. by employing trucks or conveyors, by employing suction devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/20—Supplementary heating arrangements using electric energy
- F23G2204/201—Plasma
Abstract
The invention discloses a solid waste pyrolysis and plasma melting cooperative cracking furnace which comprises a sealed feeding system, a pyrolysis gasification system, a plasma melting system and a pyrolysis gas purification system, wherein the sealed feeding system is arranged at the front end of a furnace barrel of the pyrolysis gasification system and is connected with a furnace barrel front end cover of the pyrolysis gasification system through feeding dynamic sealing, a sealing cover is arranged at the rear end of the furnace barrel and is connected with the furnace barrel through dynamic sealing, a combustor is arranged on the end surface of the sealing cover, and the plasma melting system is arranged below the sealing cover. The invention has the advantages of low comprehensive consumption in operation, thorough treatment effect, product recovery, good economy and good operation cost performance. Compared with treatment methods such as incineration and chemical methods, the method avoids the production of high-pollution substances such as dioxin, furan and the like from the source; meanwhile, the pyrolysis non-condensable combustible gas is introduced into the pyrolysis system for combustion, so that the energy consumption cost of the device can be saved.
Description
Technical Field
The invention relates to the field of waste treatment technology and equipment manufacturing, in particular to a solid waste pyrolysis and plasma melting cooperative cracking furnace.
Background
Along with the economy of our country is gradually getting stronger, the rubbish discarded object composition has also changed greatly, and the organic matter contains paper products, rubber, plastic products, woodwork etc. and obviously improves, also makes pyrolysis gasification handle to become possible, and traditional burning, landfill and compost mode are handled solid useless rubbish and are all difficult to accomplish thoroughly to solve the solid useless resource problem of rubbish, need urgently to develop novel technique and assist with tangible and effective measure, fill up the short slab.
In recent years, pyrolysis gasification, plasma melting and other technologies are developed to treat domestic garbage and biomass garbage to bring good treatment effect, but the pyrolysis gasification aims at complex garbage components, so that the problems of high treatment difficulty, low calorific value of pyrolysis products, incomplete residue treatment and the like exist; the plasma melting technology has the disadvantages of high operation cost and difficult commercial operation and popularization.
The advantages of the pyrolysis gasification technology and the plasma melting technology are effectively fused aiming at the short plate, the developed novel solid waste treatment equipment can give consideration to environmental ecology, environmental ecology and resource recycling under the premise of the current national environmental ecology, environmental protection and harmonious development strategy, and the equipment technology has important practical significance and good application prospect.
Disclosure of Invention
The method is used for overcoming the problem that a short commercial popularization board is equipped in the pyrolysis gasification and plasma melting technology, the effect of universal application cost performance is achieved, and the dilemma problem of difficulty in commercial operation and popularization is solved.
The invention relates to a solid waste pyrolysis and plasma melting synergetic cracking furnace, which is realized by the following technical scheme:
the device comprises a sealed feeding system, a pyrolysis gasification system, a plasma melting system and a pyrolysis gas purification system;
the sealed feeding system comprises a bin, a pushing cylinder, a pushing mechanism and a material seal, wherein the bin is arranged above the power output end 1/3 of the pushing cylinder, the pushing mechanism is arranged in the pushing cylinder, the position of the material seal accounts for 1/2 of the total length of the pushing cylinder, and a material blocking cover plate is arranged at an outlet position;
a pushing cylinder of the sealed feeding system is inserted into the pyrolysis gasification system in a dynamic sealing manner through feeding of a front end cover of the pyrolysis gasification system;
the pyrolysis gasification system is of a roller kiln structure;
the front end cover of the pyrolysis gasification system is connected with a material pushing barrel of the sealed feeding system, the rear end of the pyrolysis gasification system is provided with a sealing cover, the pyrolysis gasification system is connected with a furnace barrel through dynamic sealing of the furnace barrel, and riding wheels are symmetrically distributed at 90 degrees below the furnace barrel;
a pyrolysis gas outlet is arranged above the sealing cover and is connected with a pyrolysis gas purification system through a pyrolysis gas connecting pipeline; a plasma melting system is arranged below the sealing cover and forms an integrated plasma melting chamber with the sealing cover;
the pyrolysis gas purification system is provided with a condensation purification device and a product recovery device, and the condensation purification device is connected with the combustor through a non-condensable gas utilization pipeline;
the plasma melting system comprises a spiral conveyer, a plasma flame nozzle and a plasma melting chamber from bottom to top;
the plasma flame nozzle is arranged on the side wall of the plasma melting chamber;
the screw conveyer is arranged at the bottom of the plasma melting chamber, and a tailing outlet material sealing and blocking baffle plate with the length of 50cm is arranged at the discharging position.
The invention integrates thermal decomposition and plasma melting technologies, and compared with the traditional pyrolysis gasification and plasma melting equipment, the invention has the advantages of low comprehensive operation consumption, thorough treatment effect, recycled product (pyrolysis oil), good economy and good operation cost performance. Compared with treatment methods such as incineration and chemical methods, the method avoids the production of high-pollution substances such as dioxin, furan and the like from the source; meanwhile, the pyrolysis non-condensable combustible gas is introduced into the pyrolysis system for combustion, so that the energy consumption cost of the device can be saved.
Drawings
FIG. 1 is a schematic view of the structure of the apparatus
FIG. 2 is a schematic sectional view of the front end of the apparatus
FIG. 3 is a schematic sectional view of the sealing cover of the device
In the figure: the device comprises a sealed feeding system 1, a material pushing cylinder 2, a material pushing mechanism 3, a material bin 4, a material sealing 5, a dynamic feeding sealing 6, a material blocking cover plate 7, a pyrolysis gasification system 8, a riding wheel 9, a furnace cylinder 10, a burner 11, a sealing cover 11, a dynamic furnace cylinder 12, a pyrolysis gas outlet 13, a pyrolysis gas connecting pipeline 14, a pyrolysis gas purifying system 15, a condensation purifying device 16, a plasma melting chamber 17, a plasma flame nozzle 18, a spiral conveying 19, a tailing outlet material sealing 20, a material blocking baffle 21, a front end cover 22, a product recycling device 23 and a noncondensable gas utilization pipeline 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the described embodiments are only illustrative embodiments of the present invention, rather than all embodiments. All other similar embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, belong to the protection scope of the present invention.
Referring to the drawings, the sealed feeding system 1, the pyrolysis gasification system 8, the plasma melting system 18 and the pyrolysis gas purification system 16 are included, and the pyrolysis gas purification system 16 is not described much for auxiliary functions. The sealed feeding system 1 is arranged at the front end of a furnace barrel 10 of the pyrolysis gasification system 8 and is connected with a front end cover 23 of the furnace barrel 10 of the pyrolysis gasification system 8 through a feeding dynamic seal 6; the pyrolysis gasification system 8 is of a roller kiln structure, a feeding dynamic seal 6 is arranged in the center of a front end cover 23 of the kiln 10, and a seal cover 12 is arranged at the rear end of the kiln; the plasma melting system is arranged below the sealing cover 12 and forms an integrated plasma melting chamber 18 with the sealing cover 12; the plasma torch 19 is provided on the side wall of the plasma melting chamber 18, and the screw conveyor 20 is provided at the bottom of the plasma melting chamber 18.
The solid waste pyrolysis and plasma melting cooperative treatment device has the following use processes:
solid waste is put into a bin 4 of the sealed feeding system 1, under the action of reciprocating motion of a pushing mechanism 3 of the sealed feeding system 1, the solid waste falls into a pushing cylinder 2 and is gradually pushed into a furnace cylinder 10 of a pyrolysis gasification system 8, and in the pushing process, the solid waste is blocked in the pushing cylinder 2 by 1/2 lengths due to the action of a material blocking cover plate 7 arranged at the outlet of the furnace cylinder 10, so that a material sealing seal 5 is formed, and the sealed feeding process is realized;
the sealed butt joint of the sealed feeding system 1 and the pyrolysis gasification system 8 is realized by a feeding dynamic seal 6 arranged at the center of a front end cover 23 of the furnace barrel 10;
the pyrolysis gasification system 8 is in a sealed roller kiln form, and source solid waste materials falling into the furnace barrel 10 are turned over in the barrel under the rotation action of the furnace barrel 10, so that the pyrolysis process is uniformly heated;
the thermal energy of the pyrolysis gasification system 8 provides direct open fire radiation thermal energy through a burner 11 arranged at the lower center of a sealing cover 12 at the tail end of the furnace barrel 10, so that the inner cavity of the furnace barrel 10 reaches the cracking temperature of 400-500 ℃;
pyrolysis gas of pyrolysis gasification system 8 is connected with pyrolysis gas clean system 16 through setting up pyrolysis gas export 14, pyrolysis gas connecting tube 15 in the sealed cowling 12 top, condenses under the effect of pyrolysis gas clean system 16's condensation purifier 17 fuel composition, collects through product recovery unit 24 and utilizes, and noncondensable combustible gas utilizes pipeline 15 to lead to combustor 11 through noncondensable gas and burns and utilize.
The residues after the thermal cracking of the pyrolysis gasification system 8 fall into the sealing cover 12, a 1300-2000 ℃ high-temperature melting field is formed under the action of a plasma flame nozzle 19 arranged on the side wall of the lower plasma melting chamber 18, the pyrolysis residues are melted into a glass body shape, and then the glass body is pushed and discharged through a spiral conveyor 20 at the bottom; a material blocking baffle plate 22 is arranged at the discharge port position, so that the melted tailings form a material blocking seal.
Claims (6)
1. The utility model provides a pyrolysis of solid useless and plasma melting pyrolysis furnace in coordination which characterized in that: including sealed feed system (1), pyrolysis gasification system (8) and plasma melting system (18) and pyrolysis gas clean system (16), sealed feed system (1) sets up stove section of thick bamboo (10) front end at pyrolysis gasification system (8), be connected through feed dynamic seal (6) with stove section of thick bamboo (10) front end housing (23) of pyrolysis gasification system (8), stove section of thick bamboo (10) rear end is provided with sealed cowling (12), connect through stove section of thick bamboo dynamic seal (13), terminal surface at sealed cowling (12) has set up combustor (11), the below has set up plasma melting system (18).
2. The solid waste pyrolysis and plasma melting cooperative cracking furnace as recited in claim 1, wherein: a tailing outlet seal (21) with the length of 50cm and a material blocking baffle (22) are arranged at the discharging position of the spiral conveying (20).
3. The solid waste pyrolysis and plasma melting cooperative cracking furnace as recited in claim 1, wherein: the pyrolysis gasification system (8) is of a roller kiln structure, a feeding dynamic seal (6) is arranged at the center of a front end cover (23) of the furnace barrel (10) and is dynamically connected with the sealed feeding system (1), and a sealing cover (12) is arranged at the rear end and is dynamically connected with the furnace barrel (10) through a furnace barrel dynamic seal (13).
4. The solid waste pyrolysis and plasma melting cooperative cracking furnace as recited in claim 3, characterized in that: supporting rollers (9) are symmetrically distributed at 90 degrees below the furnace cylinder (10).
5. The solid waste pyrolysis and plasma melting cooperative cracking furnace as recited in claim 2, characterized in that: a pyrolysis gas outlet (14) is arranged above the sealing cover (12) and is connected with a pyrolysis gas purification system (16) through a pyrolysis gas connecting pipeline (15); a burner (11) is arranged at the lower position of the center of the end surface of the sealing cover (12).
6. The solid waste pyrolysis and plasma melting cooperative cracking furnace as recited in claim 1, wherein: the plasma melting system (18) is arranged at the lower part of the sealing cover (12), a plasma melting chamber (18) is integrally formed with the sealing cover (12), a slag spiral conveyer (20) is arranged at the bottom of the plasma melting chamber (18), and a plasma flame nozzle (19) is arranged at the side wall position above the slag spiral conveyer (20).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110606580.9A CN113339807A (en) | 2021-05-28 | 2021-05-28 | Pyrolysis and plasma melting synergic cracking furnace for solid waste |
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CN202110606580.9A CN113339807A (en) | 2021-05-28 | 2021-05-28 | Pyrolysis and plasma melting synergic cracking furnace for solid waste |
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CN113339807A true CN113339807A (en) | 2021-09-03 |
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CN202110606580.9A Pending CN113339807A (en) | 2021-05-28 | 2021-05-28 | Pyrolysis and plasma melting synergic cracking furnace for solid waste |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104449875A (en) * | 2014-12-09 | 2015-03-25 | 中国东方电气集团有限公司 | Plasma auxiliary-heating melting and gasifying reactor |
CN204648253U (en) * | 2015-04-23 | 2015-09-16 | 光大环保技术研究院(深圳)有限公司 | A kind of dangerous waste incineration device |
CN104976622A (en) * | 2015-08-05 | 2015-10-14 | 中国东方电气集团有限公司 | Household garbage classified gasification system with rotary kiln gasification and plasma fusion capability |
CN105363760A (en) * | 2015-11-25 | 2016-03-02 | 中国石油天然气股份有限公司 | Harmless treatment method for abandoned shields wrapped by oil sludge during downhole operation in oilfield |
CN106594763A (en) * | 2016-12-21 | 2017-04-26 | 天和控股(武汉)有限公司 | Rotary kiln and plasma smelting furnace combined hazardous waste treatment system |
CN207918771U (en) * | 2018-01-23 | 2018-09-28 | 广东天源环境科技有限公司 | A kind of pyrolysis oven and plasma gasification Coordination Treatment solid waste system |
US20190162406A1 (en) * | 2016-07-28 | 2019-05-30 | Triple Co., Ltd. | Sealed plasma melting furnace for treating low- and intermediate-level radioactive waste |
CN210532392U (en) * | 2019-07-26 | 2020-05-15 | 西安航天源动力工程有限公司 | Rotary kiln pyrolysis plasma melting integrated solid waste treatment device |
-
2021
- 2021-05-28 CN CN202110606580.9A patent/CN113339807A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104449875A (en) * | 2014-12-09 | 2015-03-25 | 中国东方电气集团有限公司 | Plasma auxiliary-heating melting and gasifying reactor |
CN204648253U (en) * | 2015-04-23 | 2015-09-16 | 光大环保技术研究院(深圳)有限公司 | A kind of dangerous waste incineration device |
CN104976622A (en) * | 2015-08-05 | 2015-10-14 | 中国东方电气集团有限公司 | Household garbage classified gasification system with rotary kiln gasification and plasma fusion capability |
CN105363760A (en) * | 2015-11-25 | 2016-03-02 | 中国石油天然气股份有限公司 | Harmless treatment method for abandoned shields wrapped by oil sludge during downhole operation in oilfield |
US20190162406A1 (en) * | 2016-07-28 | 2019-05-30 | Triple Co., Ltd. | Sealed plasma melting furnace for treating low- and intermediate-level radioactive waste |
CN106594763A (en) * | 2016-12-21 | 2017-04-26 | 天和控股(武汉)有限公司 | Rotary kiln and plasma smelting furnace combined hazardous waste treatment system |
CN207918771U (en) * | 2018-01-23 | 2018-09-28 | 广东天源环境科技有限公司 | A kind of pyrolysis oven and plasma gasification Coordination Treatment solid waste system |
CN210532392U (en) * | 2019-07-26 | 2020-05-15 | 西安航天源动力工程有限公司 | Rotary kiln pyrolysis plasma melting integrated solid waste treatment device |
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Application publication date: 20210903 |
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