CN206253448U - The indirect thermal desorption device of organic polluted soil - Google Patents
The indirect thermal desorption device of organic polluted soil Download PDFInfo
- Publication number
- CN206253448U CN206253448U CN201621235245.3U CN201621235245U CN206253448U CN 206253448 U CN206253448 U CN 206253448U CN 201621235245 U CN201621235245 U CN 201621235245U CN 206253448 U CN206253448 U CN 206253448U
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- China
- Prior art keywords
- heat exchanger
- extraction tube
- communicates
- interlayer
- air
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- 239000002689 soil Substances 0.000 title claims abstract description 33
- 238000003795 desorption Methods 0.000 title claims abstract description 22
- 238000000605 extraction Methods 0.000 claims abstract description 31
- 239000011229 interlayer Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 239000004568 cement Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 30
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- 239000002283 diesel fuel Substances 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 239000003345 natural gas Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 13
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002028 Biomass Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005067 remediation Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000003818 cinder Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
Abstract
A kind of indirect thermal desorption device of organic polluted soil, including feed hopper, charging gas lock, extraction tube, first burner, air blower, discharging gas lock and chimney, lagging casing is cased with outside extraction tube, auger is provided with extraction tube, interlayer is formed between lagging casing and extraction tube, wherein, also include deduster, bulk cement storage tank, first-class heat exchanger, oil storage tank, secondary heat exchanger, water tank and air-introduced machine, the steam (vapor) outlet of extraction tube is connected with the entrance of deduster and communicates, the gas outlet of deduster is connected with the air inlet of first-class heat exchanger and communicates, the gas outlet of first-class heat exchanger is connected with the air inlet of secondary heat exchanger and communicates, the gas outlet of secondary heat exchanger is connected with the right-hand member of interlayer by air-introduced machine and communicated.The utility model employs the mode of indirect cooling to the steam that contaminated soil is isolated, it is to avoid big using condensation water quantity after direct spraying cooling, in addition it is also necessary to individually increase place limitation that water treatment system and air cooling system bring and transport set-up time problem long.
Description
Technical field：
The utility model is related to a kind of contaminated soil remediation equipment, is especially a kind of indirect thermal desorption of organic polluted soil
Device.
Background technology：
For the reparation of organic polluted soil or mercury contaminated soil, thermal desorption technology is main contaminated soil remediation technology
One of, the technology is heated by the direct or indirect heat exchange of thermal desorption device, reaches pollution components in soil enough
Temperature, the process for making it evaporate and be separated with Soil mediation, at present, the steam after separation is carried out by spray column
Direct spraying cooling, and condensation water quantity is big after using the direct spraying cooling of spray column, in addition it is also necessary to individually increase water treatment system
And air cooling system, so as to cause, whole thermal desorption device occupied ground is big, it is more long to transport the set-up time.
Utility model content：
The technical problems to be solved in the utility model is to provide a kind of without individually increasing water treatment system and air cooling system
System, occupied ground are small, the indirect thermal desorption device of organic polluted soil that convenient transport is installed.
Technical solution of the present utility model is to provide a kind of indirect thermal desorption device of organic polluted soil, including enters
Hopper, charging gas lock, extraction tube, the first burner, air blower, discharging gas lock and chimney, the outlet of feed hopper and feeding gas
The entrance connection of lock is communicated, and the outlet of charging gas lock is connected with the charging aperture of extraction tube and communicates, and insulation is cased with outside extraction tube
Shell, is provided with auger in extraction tube, the discharging opening of extraction tube is connected with discharging gas lock and communicates, shape between lagging casing and extraction tube
Into interlayer, the first burner is connected with the right-hand member of interlayer and communicates, and air blower is connected with the right-hand member of interlayer and communicates, chimney and interlayer
Left part connection communicate, wherein, also including deduster, bulk cement storage tank, first-class heat exchanger, oil storage tank, secondary heat exchanger, water tank and
Air-introduced machine, the steam (vapor) outlet of extraction tube is connected with the entrance of deduster and communicates, the gas outlet of deduster and entering for first-class heat exchanger
Gas port connection is communicated, and the gas outlet of first-class heat exchanger is connected with the air inlet of secondary heat exchanger and communicates, the outlet of secondary heat exchanger
Mouth is connected with the air inlet of air-introduced machine and communicates, and the gas outlet of air-introduced machine is connected with the right-hand member of interlayer and communicates, the lower end row of deduster
Cinder notch is connected with bulk cement storage tank and communicates, and the oil-out of first-class heat exchanger is connected with oil storage tank and communicates, the delivery port of secondary heat exchanger with
Water tank connection is communicated.
The indirect thermal desorption device of organic polluted soil described in the utility model, wherein, also communicate including being connected with interlayer
Multiple second burners, multiple second burners uniformly arrange along the length direction of interlayer.
The indirect thermal desorption device of organic polluted soil described in the utility model, wherein, deduster is cyclone dust collectors, one
Level heat exchanger is conduction oil or hot air heat exchanger, and secondary heat exchanger is water cooling heat exchanger.
The indirect thermal desorption device of organic polluted soil described in the utility model, wherein, the first burner and second burns
The energy that device is used is natural gas, diesel oil or the biomass fuel that can produce 800~1200 DEG C of high-temperature flue gas.
After using above structure, compared with prior art, the indirect thermal desorption device tool of the utility model organic polluted soil
Have the advantage that：The utility model employs first-class heat exchanger to the steam that contaminated soil is isolated and secondary heat exchanger is indirectly cold
But mode, it is to avoid big using condensation water quantity after direct spraying cooling, in addition it is also necessary to individually increase water treatment system and air cooling system
The problem that the place that regiment commander comes limits and the transport set-up time is long.
Increased multiple second burners can make extraction tube be heated evenly, and whole section is all high temperature section, makes contaminated soil
In water and oil can be evaporated rapidly, reduce residence time of the contaminated soil in extraction tube.
The solid-phase dust carried secretly in most of steam can be removed using cyclone dust collectors, allow follow-up first-class heat exchanger and
The cleaning frequency of secondary heat exchanger is substantially reduced, and first-class heat exchanger can make steam by 400 DEG C using conduction oil or hot air heat exchanger
130 DEG C are cooled to, so that the most of oil vapour in can making steam is condensed, secondary heat exchanger can make steam using water cooling heat exchanger
50 DEG C are further cooled to, so as to can condense moisture and fraction light oil in steam.
Brief description of the drawings：
Fig. 1 is the schematic diagram of the indirect thermal desorption device of the utility model organic polluted soil.
Specific embodiment：
The indirect thermal desorption device of the utility model organic polluted soil is made with reference to the accompanying drawings and detailed description into
One step explanation：
As shown in figure 1, the indirect thermal desorption device of the utility model organic polluted soil include feed hopper 4, charging gas lock 3,
Extraction tube 9, the first burner 2, air blower 1, discharging gas lock 10, deduster 7, bulk cement storage tank 18, first-class heat exchanger 6, oil storage tank 17,
Secondary heat exchanger 5, water tank 16, air-introduced machine 15, chimney 8 and two the second burners 13, the outlet of feed hopper 4 and feeding gas
The entrance connection of lock 3 is communicated, and the outlet of charging gas lock 3 is connected with the charging aperture of extraction tube 9 and communicates, and the outside of extraction tube 9 is cased with
Auger 11 is provided with lagging casing 12, extraction tube 9, the discharging opening of extraction tube 9 is connected with discharging gas lock 10 and communicates, lagging casing 12
Interlayer 14 is formed and extraction tube 9 between, the first burner 2 is connected with the right-hand member of interlayer 14 and communicates, the right side of air blower 1 and interlayer 14
End connection is communicated, and chimney 8 is connected with the left part of interlayer 14 and communicates, and the steam (vapor) outlet of extraction tube 9 is connected phase with the entrance of deduster 7
Logical, the gas outlet of deduster 7 is connected with the air inlet of first-class heat exchanger 6 and communicates, the gas outlet of first-class heat exchanger 6 and secondary heat exchange
The air inlet connection of device 5 is communicated, and the gas outlet of secondary heat exchanger 5 is connected with the air inlet of air-introduced machine 15 and communicates, air-introduced machine 15
Gas outlet is connected with the right-hand member of interlayer 14 and communicates, and the lower end slag-drip opening of deduster 7 is connected with bulk cement storage tank 18 and communicates, first-class heat exchanger
6 oil-out is connected with oil storage tank 17 and communicates, and the delivery port of secondary heat exchanger 5 is connected with water tank 16 and communicates, two second combustions
Burner 13 is connected with interlayer 14 and communicates, and two the second burners 13 are uniformly arranged along the length direction of interlayer 14, and deduster 7 is adopted
With cyclone dust collectors, first-class heat exchanger 6 uses conduction oil or hot air heat exchanger, secondary heat exchanger 5 to use water cooling heat exchanger, first
The energy that the burner 13 of burner 2 and second is used is natural gas, diesel oil or the life that can produce 800~1200 DEG C of high-temperature flue gas
Biomass fuel.
The operation principle of the indirect thermal desorption device of the utility model organic polluted soil is：First burner 2 and the second combustion
Burner 13 produces 800~1200 DEG C of high-temperature flue gas using natural gas, diesel oil or biomass fuel, enters into interlayer 14, so
Entered into chimney 8 from the left part of interlayer 14 again afterwards, then discharged from chimney 8, contaminated soil first passes around crushing and screening and arrives
Particle diameter is less than 5cm, is then entered into extraction tube 9 through feed hopper 4, charging gas lock 3 with fixed rate continuous-stable again, is twisting
Moved to left end under the rotation of dragon 11, in the process, contaminated soil is by constantly heating, dry, the water in contaminated soil
Divide and organic pollution can flash to steam, steam enters into by the steam (vapor) outlet of extraction tube 9 removed in deduster 7 again
Dirt, slag is discharged into bulk cement storage tank 18, from the steam out of deduster 7 under the driving of air-introduced machine 15 through the He of first-class heat exchanger 6
After secondary heat exchanger 5 is cooled down, the fixed gas of generation is entered into interlayer 14 and carries out high temperature incineration, by changing for first-class heat exchanger 6
Heat can make steam be cooled to 130 DEG C by 400 DEG C, the condensation of the most of oil vapour in steam is entered into oil storage tank 17 and returned
Receive, being exchanged heat by secondary heat exchanger 5 can make steam be further cooled to 50 DEG C, make the moisture in steam and fraction lightweight oil cooling
Solidifying to enter in water tank 16, contaminated soil is in the interior organic matter or mercury by after thermal desorption treatment more than 99.9% of extraction tube 9
It is separated, the qualified soil for then cleaning is discharged by after the gas lock 10 that discharges again.
Particular embodiments described above is only that preferred embodiment of the present utility model is described, not to this
The scope of utility model is defined, on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art
The various modifications made to the technical solution of the utility model and improvement, all should fall into the determination of the utility model claims
In protection domain.
Claims (4)
1. the indirect thermal desorption device of a kind of organic polluted soil, including feed hopper (4), charging gas lock (3), extraction tube (9), first
Burner (2), air blower (1), discharging gas lock (10) and chimney (8), outlet and charging gas lock (3) of the feed hopper (4)
Entrance connection communicate, the outlet of charging gas lock (3) is connected with the charging aperture of extraction tube (9) and communicates, the extraction tube (9)
Outside be cased with lagging casing (12), be provided with auger (11) in the extraction tube (9), the discharging opening of the extraction tube (9) with go out
Material gas lock (10) connection is communicated, and interlayer (14), first burner are formed between the lagging casing (12) and extraction tube (9)
(2) it is connected with the right-hand member of interlayer (14) and is communicated, the air blower (1) is connected with the right-hand member of interlayer (14) and communicates, the chimney (8)
It is connected with the left part of interlayer (14) and is communicated, it is characterised in that：Also include deduster (7), bulk cement storage tank (18), first-class heat exchanger (6),
Oil storage tank (17), secondary heat exchanger (5), water tank (16) and air-introduced machine (15), the steam (vapor) outlet of the extraction tube (9) with remove
The entrance connection of dirt device (7) is communicated, and the gas outlet of the deduster (7) is connected with the air inlet of first-class heat exchanger (6) and communicates, institute
The gas outlet for stating first-class heat exchanger (6) is connected with the air inlet of secondary heat exchanger (5) and communicates, and secondary heat exchanger (5) go out
Gas port is connected with the air inlet of air-introduced machine (15) and communicates, and the gas outlet of the air-introduced machine (15) is connected phase with the right-hand member of interlayer (14)
Logical, the lower end slag-drip opening of the deduster (7) is connected with bulk cement storage tank (18) and communicates, the oil-out of the first-class heat exchanger (6) and
Oil storage tank (17) connection is communicated, and the delivery port of the secondary heat exchanger (5) is connected with water tank (16) and communicates.
2. the indirect thermal desorption device of organic polluted soil according to claim 1, it is characterised in that：Also include and interlayer
(14) multiple second burners (13) for communicating are connected, the multiple second burner (13) is equal along the length direction of interlayer (14)
Cloth is arranged.
3. the indirect thermal desorption device of organic polluted soil according to claim 1 and 2, it is characterised in that：The deduster
(7) it is cyclone dust collectors, the first-class heat exchanger (6) is conduction oil or hot air heat exchanger, and the secondary heat exchanger (5) is water-cooled
Heat exchanger.
4. the indirect thermal desorption device of organic polluted soil according to claim 3, it is characterised in that：First burner
And the energy that uses of the second burner (13) is natural gas, diesel oil or the biology that can produce 800~1200 DEG C of high-temperature flue gas (2)
Matter fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621235245.3U CN206253448U (en) | 2016-11-09 | 2016-11-09 | The indirect thermal desorption device of organic polluted soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621235245.3U CN206253448U (en) | 2016-11-09 | 2016-11-09 | The indirect thermal desorption device of organic polluted soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206253448U true CN206253448U (en) | 2017-06-16 |
Family
ID=59024370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621235245.3U Active CN206253448U (en) | 2016-11-09 | 2016-11-09 | The indirect thermal desorption device of organic polluted soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206253448U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326028A (en) * | 2018-02-13 | 2018-07-27 | 浙江宜可欧环保科技有限公司 | The anhydrous spray process method of pyrolysis gas in pyrolysis device and pyrolysis device without water spray |
| CN108746179A (en) * | 2018-07-17 | 2018-11-06 | 贵州省环境科学研究设计院 | A kind of combustion chamber and its combustion method for modularization soil demercuration |
| CN108817062A (en) * | 2018-06-28 | 2018-11-16 | 上海环境工程设计研究院有限公司 | Indirect thermal desorption device for organic polluted soil showering |
| CN111533429A (en) * | 2020-05-29 | 2020-08-14 | 上海泽淦环境技术有限公司 | Thermal desorption kettle |
-
2016
- 2016-11-09 CN CN201621235245.3U patent/CN206253448U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326028A (en) * | 2018-02-13 | 2018-07-27 | 浙江宜可欧环保科技有限公司 | The anhydrous spray process method of pyrolysis gas in pyrolysis device and pyrolysis device without water spray |
| CN108817062A (en) * | 2018-06-28 | 2018-11-16 | 上海环境工程设计研究院有限公司 | Indirect thermal desorption device for organic polluted soil showering |
| CN108746179A (en) * | 2018-07-17 | 2018-11-06 | 贵州省环境科学研究设计院 | A kind of combustion chamber and its combustion method for modularization soil demercuration |
| CN111533429A (en) * | 2020-05-29 | 2020-08-14 | 上海泽淦环境技术有限公司 | Thermal desorption kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240110 Address after: No. 128, Huankeyuanheng Road, Xinjie Street, Yixing City, Wuxi City, Jiangsu Province, 214205 Patentee after: Wuxi Yikeli Environmental Protection Equipment Co.,Ltd. Address before: 314200 rooms 311 and 312, complex building, No. 988, Xinxing Second Road, Pinghu Economic Development Zone, Pinghu City, Zhejiang Province Patentee before: ZHEJIANG YIKELI ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |