CN113862010A - Skid-mounted organic solid waste pyrolysis device - Google Patents
Skid-mounted organic solid waste pyrolysis device Download PDFInfo
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- CN113862010A CN113862010A CN202111263716.7A CN202111263716A CN113862010A CN 113862010 A CN113862010 A CN 113862010A CN 202111263716 A CN202111263716 A CN 202111263716A CN 113862010 A CN113862010 A CN 113862010A
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- furnace body
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- shelled
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/28—Other processes
- C10B47/32—Other processes in ovens with mechanical conveying means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The utility model provides a sled dress formula is organic admittedly useless pyrolysis device, including double-shelled sealed furnace body (11), material conveyor (21) and a plurality of radiant tube (4), wherein, be equipped with feed inlet (1) on double-shelled sealed furnace body (11) upper wall in proper order, steam outlet (2) and pyrolysis oil gas mouth (3), be equipped with discharge gate (6) on double-shelled sealed furnace body (11) lower wall, material conveyor (21) intermediate position in double-shelled sealed furnace body (11), the top and the a plurality of radiant tube (4) of below evenly distributed of link joint (211) on the upper portion of material conveyor (21), a serial communication port, link joint (211) upper surface on upper portion is close to feed inlet (1) department and is equipped with distributing device (5), it scrapes sediment device (31) to be equipped with below link joint (211). The invention ensures that the material is in the most efficient pyrolysis temperature field and is fully heated, and the invention has the characteristics of high pyrolysis quality, wide material using range, low requirement on particle size, high pyrolysis efficiency and safe and reliable operation.
Description
Technical Field
The invention discloses a skid-mounted organic solid waste pyrolysis device, relates to an organic solid waste pyrolysis device, and belongs to the field of environmental protection equipment.
Technical Field
The pyrolysis technology is one of the leading-edge technologies of organic solid waste treatment at home and abroad. The technology adopts a continuous process and an industrial production mode to pyrolyze or thermally condense organic pollutants in the organic solid waste to obtain corresponding liquid-phase petroleum, gas, coke, inorganic matters and the like, so that resources such as petroleum, combustible gas and the like are recycled while harmlessness is achieved, and harmlessness and recycling are realized.
At present, pyrolysis treatment is also widely applied in the treatment of garbage treatment, biomass, dangerous waste heat and the like. For example, pyrolysis gasification is expanded to the fields of soil remediation, treatment of hazardous waste oil-containing sludge, chromium-containing sludge, kitchen waste, leather leftovers and the like, biochar preparation and energy clean utilization of biomasses such as rice hulls and corn straws, regeneration and utilization of activated carbon and the like. The pyrolysis technology is one of the most promising hazardous waste treatment methods, has extremely high requirements on the process, and not only ensures the overall tightness, but also ensures the efficient pyrolysis process. However, the starting of the domestic pyrolysis technology is late, and the development of the industry is not complete.
The prior oily sludge pyrolysis treatment device mainly comprises a rotary type, a spiral type and the like; the rotary type has the following problems: firstly, the problem of poor sealing in a continuous feeding state, and secondly, the problem of coking and dust removal caused by large dust amount; the spiral type is limited by the structure and the heating mode of the furnace body, the adaptability and the heat efficiency of materials are poor, particularly, the materials are stirred in the spiral mode, so that the dust quantity of an outlet is large, a pipeline elbow and a valve are easy to coke and block, and the maintenance frequency of equipment is high.
Disclosure of Invention
The invention aims to provide a skid-mounted box type oily sludge pyrolysis device, which is a device for drying and pyrolyzing oily sludge in a furnace body, has good sealing property, and can avoid coking and fly ash caused by dust generated by material turning so as to overcome the defects of the prior art.
The utility model provides a sled dress formula is organic admittedly useless pyrolysis device, including double-shelled sealed furnace body 11, material conveyor 21 and a plurality of radiant tube 4, wherein, be equipped with feed inlet 1 on the double-shelled sealed furnace body 11 upper wall in proper order, steam outlet 2 and pyrolysis oil gas mouth 3, be equipped with discharge gate 6 on the double-shelled sealed furnace body 11 lower wall, material conveyor 21 intermediate position in double-shelled sealed furnace body 11, a plurality of radiant tubes 4 of top and below evenly distributed of the link joint 211 on material conveyor 21's upper portion, a serial communication port, be equipped with distributing device 5 near feed inlet 1 department on the link joint 211 upper surface on upper portion, be equipped with scraping slag device 31 below the link joint 211 of lower part, scraping slag device 31 is including scraping slag sprocket 311 and chain 313, the upper surface of chain 313 on upper portion and the lower surface of chain 313 of lower part evenly are equipped with a plurality of slag scraping board 312.
The distributing device 5 comprises a transmission shaft 51 and a bidirectional helical blade 52, and the bidirectional helical blade 52 is fixedly connected to the outer surface of the transmission shaft 51; the bidirectional helical blade 52 rotates with the movement of the link plate 211.
The double-shell sealed furnace body 11 comprises an outer supporting shell 111 and an inner closed hearth 112, and a heat-insulating layer 113 is filled in a gap between the outer supporting shell 111 and the inner closed hearth 112.
The invention has the advantages that:
1. adopt the radiant tube more than the bilayer as heating device, upper radiant tube and material level adopt direct radiant heating mode to heat material upper portion, adopt heat-conduction to heat the material lower part behind the radiant tube heating chain trigger of lower floor, and the temperature field is reasonable, more is favorable to the pyrolysis of material, overcomes the defect of other modes "heating efficiency is low" efficiency. The invention has the advantages that the accurate energy ratio of the radiant tube can be realized by adjusting the radiant tube, the material is in the most efficient pyrolysis temperature field, and meanwhile, the invention has the characteristics of high pyrolysis quality, wide material using range, low requirement on particle size, high pyrolysis efficiency and safe and reliable operation due to full heating.
2. The material is static relative to the chain plate machine in the pyrolysis process, so that dust raising caused by material turning is avoided, and further, the generation of fly ash and coking caused by dust are reduced.
3. The double-shell sealed furnace body is adopted, so that the sealing performance in the pyrolysis process is ensured, and the safety worry caused by oxygen entering is avoided.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic view of the internal structure of a distributor 5 according to an embodiment of the present invention.
1 is the feed inlet, and 2 are steam outlet, and 3 are pyrolysis oil gas export, and 4 are the radiant tube, and 5 are the distributing device, 6 discharge gates, 11 are the sealed furnace body of double-shelled: 111-external supporting shell, 112-internal closed hearth and 113-heat insulating layer; 21-the material conveying device: 211-link plate, 212-sprocket, 31-slag scraping device: 311-chain wheel, 312-slag scraping plate, 313-chain, 51 is transmission shaft, 52 is bidirectional helical blade.
Detailed Description
The whole body is in a cuboid box type arrangement, meets the transportation requirement of a flat car, and can complete the drying and pyrolysis of the oily sludge in a furnace body.
In order to achieve the purpose, the invention provides a skid-mounted box type pyrolysis device, which consists of a double-shell sealed furnace body, material conveying equipment, more than two layers of radiant tubes, a slag scraping device and a distributing device, wherein the double-shell sealed furnace body is integrally of a cuboid hollow box type structure, the material conveying equipment is arranged in the double-shell sealed furnace body, the more than two layers of radiant tubes are arranged in the double-shell sealed furnace body and positioned above, in the middle of or below the material conveying device, and each layer of radiant tubes comprises: the slag scraping device is arranged in the double-shell sealed furnace body and positioned at the bottom of the double-shell sealed furnace body, and the distributing device is arranged in a feeding area of the double-shell sealed furnace body and positioned at the upper part of the material conveying device.
The double-shell sealed furnace body consists of an inner sealed hearth and an outer supporting shell, the inner sealed hearth is welded into a box-type structure by adopting a metal material, and the tightness is ensured; the external support shell is arranged outside the internal closed hearth, a cavity of 100-400 mm is formed between the external support shell and the internal closed hearth, and the heat insulation material is arranged in the cavity between the internal closed hearth and the external support shell. According to the function division, the furnace body is sequentially divided into a feeding area, a drying area, a pyrolysis area and a discharging area, wherein the top of the feeding area is provided with a pyrolysis material inlet and a distributing device, the drying area is provided with a steam outlet, the top of the pyrolysis area is provided with a pyrolysis oil gas outlet, and the discharging area is provided with a material outlet;
the radiant tube heating system adopts combustible gas such as natural gas or pyrolysis non-condensable gas as fuel, is inserted into the double-shell sealed furnace body and is positioned above, in the middle or below the material conveying device. The radiant tube is sealed with the inner closed hearth, fuel gas is discharged from the exhaust port after being combusted in the radiant tube and subjected to heat exchange, heat is radiated by the radiant tube to enter the hearth, and combustion flue gas is isolated from the hearth to ensure the atmosphere of the hearth.
The material conveying equipment adopts a chain plate machine or a mesh belt machine, the chain plate or the mesh belt, a chain and a chain wheel are positioned in the closed hearth in the furnace, a driving shaft and a driven shaft penetrate through the double-shell sealed furnace body, the shaft is in dynamic seal with the closed hearth, power equipment drives the material conveying equipment to continuously run from the outside of the furnace, the diameter of the chain wheel is 200mm-1000mm, and the width of the chain plate or the mesh belt is 2000mm-4000 mm.
The slag scraping device is composed of a chain wheel, a chain and a slag scraping plate, wherein the slag scraping plate is welded on the chain at a certain interval, the bottom of the slag scraping plate is in contact with the bottom of the inner closed hearth or a certain gap is reserved between the bottom of the slag scraping plate and the bottom of the inner closed hearth, and along with the rotation of the chain wheel, the chain drives the slag scraping plate to continuously horizontally reciprocate to continuously push materials and residues falling in the material conveying equipment to an outlet, so that the materials are prevented from accumulating at the bottom of the inner closed hearth.
Example (b): a skid-mounted organic solid waste pyrolysis device is shown in figures 1 and 2 and comprises a double-shell sealed furnace body, material conveying equipment, distributing equipment, more than two layers of radiant tubes, a slag scraping device and a distributing device.
The pyrolysis device double-shell sealed furnace body 11 is of a cuboid hollow box type structure and comprises an inner closed hearth 112 and an outer supporting shell 111, and a heat insulation layer 113 is filled in a gap between the inner closed hearth 112 and the supporting shell 111. The distributing device 5 consists of a transmission shaft 51 and a bidirectional helical blade 52, and the bidirectional helical blade 52 is welded on the transmission shaft 51 and is positioned above the material conveying equipment 21 and below the feeding hole 1. The material transmission device 21 is arranged in the inner closed hearth 112 and comprises two groups of transmission chain wheels 212 and a plurality of chain plates 211 which are meshed with the chain wheels and are mutually overlapped, the diameter of the chain wheels 212 is 200mm-1000mm, the two groups of chain wheels are arranged at two ends of the inner closed hearth 112 and are horizontally transmitted, and the width of a single chain plate 211 is 2000mm-4000mm, and the length of the single chain plate is 100mm-500 mm. The material enters through the feed inlet 1, falls on the material conveying equipment 21, is evenly paved on a 211 chain plate by a rotating transmission shaft 51 and a bidirectional helical blade 52 when passing through the distributing device 5, is horizontally conveyed to the rear end of the hearth from the feed inlet along with the rotation of the chain wheel, and freely falls to the discharge outlet 6 under the action of gravity at the rear end chain wheel. Divide into feeding district, drying zone, pyrolysis district, feeding district in proper order in the material transportation, the drying zone is equipped with the exhanst gas outlet 2 that uses vapor to be main, and the pyrolysis district is equipped with the exhanst gas outlet 3 that uses pyrolysis oil gas to be main. The radiant tube 4 is inserted into the double-shell sealed furnace body 11, the radiant tube 4 and the inner sealed hearth 112 are sealed by flanges, the radiant tube 4 is positioned in the upper layer of the chain plate 211 and the gap between the upper layer and the lower layer of the chain plate, the radiant tube 4 and the chain plate 211 are horizontal, the distance between the radiant tube positioned on the upper layer of the chain plate 211 and the upper layer of the chain plate 211 is 20-200 mm, the upper part of a material is heated by adopting a direct radiation mode, the chain plate is firstly heated by the radiant tube positioned between the gap between the upper layer and the lower layer of the chain plate 211, then the bottom of the material is heated by the chain plate in a heat conduction mode, and the heat energy distribution is reasonably utilized in multiple heating modes, so that the heat efficiency is enhanced. The slag scraper 31 is located at the lowest end of the sealed hearth 112 and is composed of a transmission chain wheel 311, a slag scraping plate 312 and a chain 313, the slag scraping plate 312 and the chain 313 are mutually fixed, the slag scraping plate 312 is in contact with the bottom plate of the sealed hearth 112 or has a small gap, and the chain wheel drives the chain to circularly operate during operation, so that the slag scraping plate 312 continuously circulates to scrape the materials falling from the upper material conveying equipment 21 to the discharge port 6, and the materials are prevented from being continuously gathered at the bottom of the sealed hearth 112.
Claims (3)
1. The utility model provides a sled dress formula is organic admittedly useless pyrolysis device, including double-shelled sealed furnace body (11), material conveyor (21) and a plurality of radiant tube (4), wherein, be equipped with feed inlet (1) on double-shelled sealed furnace body (11) upper wall in proper order, steam outlet (2) and pyrolysis oil gas mouth (3), be equipped with discharge gate (6) on double-shelled sealed furnace body (11) lower wall, material conveyor (21) intermediate position in double-shelled sealed furnace body (11), a plurality of radiant tube (4) of top and below evenly distributed of link joint (211) on the upper portion of material conveyor (21), a serial communication port, be equipped with distributing device (5) near feed inlet (1) department on link joint (211) upper portion, be equipped with scraper (31) below link joint (211) lower part, scraper (31) are including scraping slag sprocket (311) and chain (313), the upper surface of chain 313) on upper portion and the lower surface of chain (313) lower part evenly are equipped with a plurality of scraping slag plate (312) ).
2. The skid-mounted organic solid waste pyrolysis device according to claim 1, wherein the distributor (5) comprises a transmission shaft (51) and a bidirectional helical blade (52), and the bidirectional helical blade (52) is fixedly connected to the outer surface of the transmission shaft (51); the bidirectional helical blade (52) rotates along with the movement of the chain plate (211).
3. The skid-mounted organic solid waste pyrolysis device according to claim 1 or 2, wherein the double-shell sealed furnace body (11) comprises an outer supporting shell (111) and an inner closed hearth (112), and a gap between the outer supporting shell (111) and the inner closed hearth (112) is filled with a heat insulation layer (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111263716.7A CN113862010A (en) | 2021-10-26 | 2021-10-26 | Skid-mounted organic solid waste pyrolysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111263716.7A CN113862010A (en) | 2021-10-26 | 2021-10-26 | Skid-mounted organic solid waste pyrolysis device |
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| Publication Number | Publication Date |
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| CN113862010A true CN113862010A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111263716.7A Pending CN113862010A (en) | 2021-10-26 | 2021-10-26 | Skid-mounted organic solid waste pyrolysis device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114634827A (en) * | 2022-02-14 | 2022-06-17 | 佛山市绿威生物科技有限公司 | High-temperature cracking gasification furnace and method |
| CN116333766A (en) * | 2023-02-03 | 2023-06-27 | 中国林业科学研究院生态保护与修复研究所 | On-site harmless continuous carbonization skid-mounted treatment device for pine wood nematode disease epidemic wood |
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| CN210711400U (en) * | 2019-09-16 | 2020-06-09 | 谢樱 | Thermal desorption device |
| CN111646249A (en) * | 2020-06-12 | 2020-09-11 | 四川丰辉华宝环保科技有限公司 | Spreading and distributing device for belt conveyor and using method |
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2021
- 2021-10-26 CN CN202111263716.7A patent/CN113862010A/en active Pending
Patent Citations (6)
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| CN101469081A (en) * | 2007-12-29 | 2009-07-01 | 牛斌 | Industrial continuous rubber cracking device |
| US20100282589A1 (en) * | 2007-12-29 | 2010-11-11 | Bin Niu | Industrial continuos cracking device of rubber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114634827A (en) * | 2022-02-14 | 2022-06-17 | 佛山市绿威生物科技有限公司 | High-temperature cracking gasification furnace and method |
| CN116333766A (en) * | 2023-02-03 | 2023-06-27 | 中国林业科学研究院生态保护与修复研究所 | On-site harmless continuous carbonization skid-mounted treatment device for pine wood nematode disease epidemic wood |
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