CN113830986A - Double-heating-cavity oily sludge pyrolysis device - Google Patents
Double-heating-cavity oily sludge pyrolysis device Download PDFInfo
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- CN113830986A CN113830986A CN202111239918.8A CN202111239918A CN113830986A CN 113830986 A CN113830986 A CN 113830986A CN 202111239918 A CN202111239918 A CN 202111239918A CN 113830986 A CN113830986 A CN 113830986A
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- heating
- auger reactor
- furnace
- auger
- furnace body
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 26
- 239000010802 sludge Substances 0.000 title claims description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003546 flue gas Substances 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims description 9
- 238000012856 packing Methods 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 2
- 230000035484 reaction time Effects 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000003795 desorption Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000579971 Terebridae Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
-
- 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
- C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
- C10B49/02—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge
- C10B49/04—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge while moving the solid material to be treated
-
- 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
-
- 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)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model provides a two heating cavity oiliness mud pyrolysis device, includes furnace body (20), be equipped with auger reactor (2) in the last heating cavity A of furnace body (20), evenly distributed has radiant tube heater (6) in the top of auger reactor (2), a serial communication port, still be equipped with heating chamber B below auger reactor (2), install combustor (8) outside furnace body (20) and pass through the admission line with hot flue gas input heating chamber B, the one end of keeping away from the admission line at heating chamber B is equipped with exhanst gas outlet (10). The invention combines radiation heating and hot air heating, and utilizes the advantage of the auger reactor of sufficient material turnover, thereby effectively improving the heat exchange efficiency of materials, shortening the reaction time and increasing the processing capacity of the device. Meanwhile, the tubular packing auger reactor is designed into a semi-open U-shaped packing auger reactor and is arranged in the box-type pyrolysis furnace, so that enough maintenance space is provided, and the difficulty in maintenance in the furnace is greatly reduced.
Description
Technical Field
The invention relates to a double-heating-cavity oily sludge pyrolysis device, relates to the field of oily sludge pyrolysis, and particularly relates to a double-heating-cavity oily sludge pyrolysis device.
Technical Field
The oily sludge is one of main pollutants generated in petroleum exploitation and petrochemical enterprises, is a main pollutant generated in the processes of oil field exploitation, crude oil refining, transportation, storage and the like, and consists of mineral oil, mineral substances, water and silt. The production of the oily sludge not only seriously damages the ecological environment but also causes the waste of resources, and the effective resource utilization and treatment not only can reduce the risk of environmental pollution but also can solve the problem of energy shortage. Therefore, the oil-containing sludge is actively and comprehensively utilized as a resource, and the pyrolysis technology is considered as one of the potential oil-containing sludge treatment modes, so that not only can the petroleum resource be recovered, but also the pyrolysis gas can be utilized to recover heat energy, and the harmless treatment of the oil-containing sludge is realized. The influence of pyrolysis temperature, residence time, heating rate and the like in the pyrolysis process of the oily sludge, particularly the operation form of materials in a pyrolysis device directly influences the heat and mass transfer efficiency of the materials and indirectly influences the treatment efficiency and energy consumption of the device.
The utility model discloses a current application publication number is CN 210773383U's utility model discloses a novel thermal analysis device for handling organic pollution, the device comprises upper box and lower floor's box, and the organism is inside to be equipped with the link joint that is used for transmitting the material, and the relative link joint of material is static motionless to be equipped with heating element from top to bottom at the link joint, heat material and link joint.
The utility model patent of current application publication number CN 211990195U discloses a pyrolysis desorption stove that is used for the solid useless processing of greasy dirt, and the device adopts external heating auger formula pyrolysis device.
The prior art scheme has the following defects: 1. the utility model patent that application publication number is CN 210773383U adopts the link joint to transmit the material, with the material tiling on the link joint, is moving the in-process along with the link joint and is being set up the heating element heating of lower part on the link joint. The heat transfer and mass transfer efficiency is low due to no turning of the materials in the transmission process, the heat stagnation effect inside and outside the materials is obvious, and the conditions of uneven heating and coking of the chain plates are easy to occur. 2. Application publication number is CN 211990195U's utility model patent discloses a pyrolysis desorption stove for dirty useless processing admittedly of greasy dirt adopts auger formula transported substance material and dividing wall formula heating, though adopts auger formula transported substance material can reach better stirring effect, nevertheless dividing wall formula heating efficiency is low, and the structural style of adoption overhauls the degree of difficulty moreover big.
The materials in the two pyrolysis devices are heated by a single heat source, the production process is long in time consumption, the devices need to consume more energy under certain treatment capacity, and the treatment cost is high.
Disclosure of Invention
The invention provides a double-heating-cavity oily sludge pyrolysis device, which aims to solve the problems of long time consumption, high energy consumption and high treatment cost in the production process in the prior art.
The utility model provides a two heating chamber oiliness mud pyrolysis device, includes furnace body 20, is equipped with auger reactor 2 in the last heating chamber A of furnace body 20, and evenly distributed has radiant tube heater 6 in auger reactor 2's top, its characterized in that still is equipped with down heating chamber B below auger reactor 2, heats chamber B under the combustor 8 of installing in furnace body 20 outside passes through the admission line with hot flue gas input, and the one end of keeping away from the admission line at heating chamber B is equipped with exhanst gas outlet 10 down.
A feed inlet 1 and an oil gas outlet 7 are arranged at the top of the furnace body 20 of the upper heating cavity A, and a furnace discharging auger 4 is arranged in a furnace discharging groove 3 at the tail end of the material transportation of the auger reactor 2.
A support rod 11 of the auger reactor 2 is arranged in the lower heating cavity B, and the support rod 11 is supported below the U-shaped positioning shell 5 of the auger reactor.
A plurality of baffle plates 9 are uniformly distributed at the top and the bottom of the lower heating cavity B.
The auger reactor 2 is horizontally arranged in the furnace body 20 or is inclined towards the direction of the discharging groove 3 in the furnace.
The auger reactor 2 is inclined in the direction from the furnace body 20 to the discharge chute 3 in the furnace, and the inclination angle is 1-5 degrees.
Advantageous effects
The invention combines radiation heating and hot air heating, and utilizes the advantage of the auger reactor of sufficient material turnover, thereby effectively improving the heat exchange efficiency of materials, shortening the reaction time and increasing the processing capacity of the device. Meanwhile, the tubular packing auger reactor is designed into a semi-open U-shaped packing auger reactor and is arranged in the box-type pyrolysis furnace, so that enough maintenance space is provided, and the difficulty in maintenance in the furnace is greatly reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
fig. 2 is a sectional view taken along line C-C in fig. 1.
Wherein, 1 is the feed inlet, 2 is the auger reactor, 3 is the interior blown down tank of stove, 4 is the interior discharged material auger of stove, 5 is auger reactor U type location shell, 6 is the radiant tube heater, 7 is the oil gas export, 8 is the combustor, 9 is the baffling board, 10 is the exhanst gas outlet, 11 is the bracing piece, 20 is the furnace body.
The specific implementation mode is as follows:
the above purpose is mainly realized by the following scheme:
the device is divided into an upper heating cavity and a lower heating cavity, the two cavities are independently arranged, the upper heating cavity is composed of a radiant tube heater and an auger reactor, wherein the auger reactor can be arranged as one or more than one according to actual requirements, the auger reactor is not provided with a cover plate, and the shell is U-shaped. The auger shells are connected with each other and then connected with the inner wall of the furnace body to separate the upper heating cavity from the lower heating cavity. The temperature of the upper heating cavity is controlled to be 500-650 ℃.
The lower heating cavity adopts hot air as a heating source, the hot air can be provided by hot flue gas generated by the radiant tube burner, and one or more burners can be independently arranged when the hot air quantity is insufficient or the temperature of the flue gas is insufficient for generating heat supply by burning the hot flue gas.
The flowing direction of the hot air is opposite to the moving direction of the auger, the hot air heating furnace is provided with a baffle plate according to the disturbance condition of the flue gas, and the flue gas after heat exchange is discharged from a smoke outlet.
After the materials are conveyed to the discharging auger by the auger reactor, the materials are sent out of the furnace by the discharging auger, and the treatment process of the materials in the furnace is completed.
Oil gas generated by pyrolysis is discharged through an oil gas outlet at the top of the device.
The screw conveyor shell is connected with the device inner container, and a support piece is arranged in the hot blast stove and used for supporting and fixing the screw conveyor reactor.
Example (b):
during the specific implementation process, the material is fed into the auger reactor 2 in the upper heating cavity A through the feed inlet 1, then is conveyed to the rear end from the front end by the auger reactor 2, and the pyrolyzed material is fed into the furnace discharge chute 3 through the auger reactor 2, and the furnace discharge auger 4 is arranged in the chute. The material entering the discharging groove 3 in the furnace is discharged out of the furnace by the discharging auger 4 in the furnace, and the whole conveying process of the material in the furnace is completed. The auger reactor 2 can be of a shafted or shaftless design, and bearings are fixed at both ends of the device. The packing auger reactor 2 is provided with a single packing auger or a plurality of packing augers according to the requirement, and a U-shaped positioning shell 5 of the packing auger reactor is arranged between the packing auger and the packing auger, so that the dislocation of the packing auger during the operation is avoided. The U-shaped positioning shells 5 of the auger reactor are connected in parallel, the outer edge of the auger reactor 2 is connected with the inner wall of the furnace, and the furnace is divided into an upper heating cavity A and a lower heating cavity B.
The radiant tube heater 6 is arranged above the auger reactor 2, and both are positioned in the upper heating cavity A. The material is heated by radiant tube heater 6 of top in the process of moving backward from the past to make the organic matter in the material by desorption or decomposition, obtain water, oil vapor and incombustible gas, still mix with partial dust, and the mist is by upper portion oil gas export 7 exhaust aftertreatment.
The lower heating cavity B is a hot air heating cavity, and a heat source is generated by smoke gas combusted by a combustor 8 arranged outside the hot air heating cavity B. According to the requirements of hot air disturbance and heat exchange, baffle plates 9 which are arranged differently are arranged at the upper part (namely, the lower part of the screw conveyor reactor shell 5) and the lower part in the lower heating cavity B, so that the retention time of hot air in the furnace is prolonged, and hot flue gas after heat exchange is discharged from a smoke outlet 10.
In addition, a support rod 11 of the auger reactor is arranged in the lower heating cavity B, and the shape of the support rod is set according to the number of the auger reactors 2 and the shape of the shell.
Claims (6)
1. The utility model provides a two heating cavity oiliness mud pyrolysis device, includes furnace body (20), be equipped with auger reactor (2) in the last heating cavity A of furnace body (20), evenly distributed has radiant tube heater (6) in the top of auger reactor (2), a serial communication port, still be equipped with heating chamber B below auger reactor (2), install combustor (8) outside furnace body (20) and pass through the admission line with hot flue gas input heating chamber B, the one end of keeping away from the admission line at heating chamber B is equipped with exhanst gas outlet (10).
2. The oily sludge pyrolysis device with double heating cavities as claimed in claim 1, wherein a feed inlet (1) and an oil gas outlet (7) are arranged at the top of the furnace body (20) of the upper heating cavity A, and a furnace discharging auger (4) is arranged in a furnace discharging groove (3) at the tail end of material transportation of the auger reactor (2).
3. The oily sludge pyrolysis device with double heating cavities as claimed in claims 1 and 2, wherein a support rod (11) of the auger reactor (2) is arranged in the lower heating cavity B, and the support rod (11) is supported below a U-shaped positioning shell (5) of the auger reactor.
4. The apparatus for the pyrolysis of oily sludge with double heating chambers as claimed in claims 1 and 2, wherein a plurality of baffles (9) are uniformly distributed at the top and bottom of the lower heating chamber B.
5. The oily sludge pyrolysis device with double heating cavities as claimed in claims 1 and 2, wherein the auger reactor (2) is horizontally arranged in the furnace body (20) or is inclined towards the discharge chute (3) in the furnace.
6. The oily sludge pyrolysis device with double heating cavities as claimed in claim 5, wherein the auger reactor (2) is inclined in the direction from the furnace body (20) to the discharge chute (3) in the furnace, and the inclination angle is 1-5 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111239918.8A CN113830986A (en) | 2021-10-25 | 2021-10-25 | Double-heating-cavity oily sludge pyrolysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111239918.8A CN113830986A (en) | 2021-10-25 | 2021-10-25 | Double-heating-cavity oily sludge pyrolysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113830986A true CN113830986A (en) | 2021-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111239918.8A Pending CN113830986A (en) | 2021-10-25 | 2021-10-25 | Double-heating-cavity oily sludge pyrolysis device |
Country Status (1)
| Country | Link |
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| CN (1) | CN113830986A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020119089A1 (en) * | 1999-12-14 | 2002-08-29 | Tirenergy Corporation | Process for pyrolyzing tire shreds and tire pyrolysis systems |
| CN102874997A (en) * | 2011-07-11 | 2013-01-16 | 中国石油化工股份有限公司 | Oil-containing sludge pyrolysis and its resource treatment method |
| JP2013194977A (en) * | 2012-03-19 | 2013-09-30 | Spinworks Llc | Radiant tube type heating device |
| CN106746417A (en) * | 2017-01-25 | 2017-05-31 | 浙江宜可欧环保科技有限公司 | A kind of processing unit of oil-base mud |
| CN210163375U (en) * | 2019-07-25 | 2020-03-20 | 李华 | Container type small-sized pyrolysis device for organic solid wastes such as household garbage |
-
2021
- 2021-10-25 CN CN202111239918.8A patent/CN113830986A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020119089A1 (en) * | 1999-12-14 | 2002-08-29 | Tirenergy Corporation | Process for pyrolyzing tire shreds and tire pyrolysis systems |
| CN102874997A (en) * | 2011-07-11 | 2013-01-16 | 中国石油化工股份有限公司 | Oil-containing sludge pyrolysis and its resource treatment method |
| JP2013194977A (en) * | 2012-03-19 | 2013-09-30 | Spinworks Llc | Radiant tube type heating device |
| CN106746417A (en) * | 2017-01-25 | 2017-05-31 | 浙江宜可欧环保科技有限公司 | A kind of processing unit of oil-base mud |
| CN210163375U (en) * | 2019-07-25 | 2020-03-20 | 李华 | Container type small-sized pyrolysis device for organic solid wastes such as household garbage |
Non-Patent Citations (1)
| Title |
|---|
| 许学勤 主编: "《食品工厂机械与设备（第二版）》", 30 November 2018, 中国轻工业出版社 * |
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Application publication date: 20211224 |