CN110180880A - A kind of soil heterotopic hot repair apparatus for coating - Google Patents
A kind of soil heterotopic hot repair apparatus for coating Download PDFInfo
- Publication number
- CN110180880A CN110180880A CN201910467246.2A CN201910467246A CN110180880A CN 110180880 A CN110180880 A CN 110180880A CN 201910467246 A CN201910467246 A CN 201910467246A CN 110180880 A CN110180880 A CN 110180880A
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- China
- Prior art keywords
- section
- desorption
- cooling
- dryer section
- dryer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002689 soil Substances 0.000 title claims abstract description 34
- 230000008439 repair process Effects 0.000 title description 5
- 239000011248 coating agent Substances 0.000 title description 3
- 238000000576 coating method Methods 0.000 title description 3
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 238000003795 desorption Methods 0.000 claims abstract description 31
- 239000003517 fume Substances 0.000 claims abstract description 19
- 238000000197 pyrolysis Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 11
- 231100000719 pollutant Toxicity 0.000 abstract description 11
- 239000007789 gas Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005067 remediation Methods 0.000 abstract description 5
- 230000008676 import Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000011109 contamination Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000002955 isolation 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
- 238000005065 mining Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003900 soil pollution Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
Abstract
A kind of device of the hot repairing polluted soil of dystopy, including horizontally disposed rotary kiln kiln body, the kiln body successively includes dryer section, desorption section, cooling section from import to outlet, the desorption section periphery has pyrolysis oven, the feed inlet of the dryer section is connected to feeding device, spiral lifting blade is provided in the dryer section, helical blade is provided in the desorption section and cooling section, the dryer section end is provided with the entrance of fume collection pipe, and the entrance opening direction is identical as feedstock direction, size is greater than the pipe diameter of fume collection pipe.Fume collection pipe of the invention is open along feedstock direction, main purpose is so that gas collection extracting direction is opposite with the soil discharge direction after desorption, it can guarantee that the gaseous pollutant volatilized will not be reduced with temperature to be solidified again to soil, improve rotary kiln soil remediation effect.
Description
Technical field
The invention belongs to contaminated soil remediation technical fields, and in particular to a kind of device of the hot repairing polluted soil of dystopy.
Background technique
With the rapid development of our country's economy with the adjustment of economic structure, the inappropriate disposition of industrial 〝 three wastes 〞, mining area tail
Soil contamination problem caused by the unreasonable stacking of mine, oil-gas mining and resettlement of city industrial area etc. increasingly highlights, for having
It is imperative to administer soil pollution place for harmfulness and potential hostile environment region.But the soil pollution place in China is controlled
Reason is still in the starting stage, and recovery technique is still immature, capital investment wretched insufficiency, is badly in need of researching and developing at low cost, high-efficient, environment
The recovery technique of friendly suitable China's national situation.
China's economy is especially several recently due to lacking certain cognition degree to protection environment during fast development
Rapid development of economy in 10 years, so that the ability to bear of environment reaches capacity, contaminated site is particularly problematic.China's Pollution Field
Major pollutants have heavy metal (such as chromium, cadmium, mercury, arsenic, lead, copper, zinc, nickel), pesticide, petroleum hydrocarbon, the organic dirt of persistence in ground
Contaminate object, volatility or solvent organic pollutant and organic-metallic class organic pollutant etc..
In order to realize the long-term plan of ecological country, one blue mountains and green waters of the mankind is returned, country is in empty gas and water, soil etc.
Huge fund is put into environmental improvement, to improve the living environment of compatriots, weight is mentioned in pollution administration place by special China's recent years
It wants to come in agenda.The engineering technology that organic contamination place quantity is more in the contaminated site in China at present, treatment cost is high, mature
Lack, becomes the problem of China's soil remediation.
Hot-fixing is one of the important technology in organic contamination site remediation technology.Soil Thermal reparation refers to using dirty
The hot volatility for contaminating object increases the soil moisture using the method for direct or indirect heating, promote pollutant from solid, liquid state to
Gaseous state converts and extracts the technology of removal.Hot-fixing suitable for processing soil volatility, half volatile pollutant such as mercury,
Arsenic, pesticide, chlorinated compound etc..It is not suitable for soil stabilization heavy metal, corrosivity organic matter, active oxidizer, reducing agent etc..
Indirect dystopy hot repair apparatus for coating is based on rotary kiln at present, but repairs rotary kiln energy consumption height indirectly, extracts mouth and master
It wants pollutant volatilization period distance longer, causes desorption pollutant that cannot be discharged in time, solidified again to temperature reduction, thus into
Enter soil, increases required energy consumption.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of device of hot repairing polluted soil of dystopy.
Technical scheme is as follows:
A kind of device of the hot repairing polluted soil of dystopy, it is characterised in that described including horizontally disposed rotary kiln kiln body
Kiln body successively includes dryer section, desorption section, cooling section along material direction of propulsion, and the dryer section and desorption section periphery have pyrolysis
Furnace, the feed inlet in the dryer section are connected to feeding device, and spiral lifting blade, the desorption section are provided in the dryer section
With helical blade is provided in cooling section, the dryer section end is provided with the entrance of fume collection pipe, and the entrance opening
Direction is identical as material direction of propulsion, and size is greater than the pipe diameter of fume collection pipe.
The preferred entrance is the horn-like port that opening is gradually reduced to pipe diameter.
The preferred kiln body length is 7500~8000mm, internal diameter 450-550mm.
The preferred dryer section, desorption section, the length of cooling section ratio are 1.6-2.0:4.5-5.5:0.8-1.2.
The further preferred long 7800mm of the kiln body, internal diameter 500mm, the dryer section, desorption section, cooling segment length point
It Wei not 1800mm, 5000mm and 1000mm.
The preferred feeding device includes feeding reamer, and feeding reamer end passes through dryer section described in pipeline connection
And the end is higher than the entrance positioned at dryer section.
The preferred cooling section periphery has Water-cooling circulating device.
Successively it is connected with high temperature resistant divider and the cooling rotating cylinder that discharges after the preferred cooling section.
Insulating layer at least preferably is set in the desorption section periphery.
Preferably seal closure, the charging are respectively arranged in the starting point of the dryer section and the end periphery of cooling section
Mouth is located in the seal closure, and the outlet of the fume collection pipe is located at outside seal closure.
Technical effect:
Soil to be processed is passed through charging by a kind of device of the hot repairing polluted soil of dystopy of the invention, first feeding device
Mouth is conveyed into rotary kiln body, and then soil is successively handled by dryer section, desorption section, cooling section in rotary kiln body,
Running through in dryer section has fume collection pipe, and the front end entrance setting of fume collection pipe is desorbed in dry segment trailer opening direction
The location of section namely the opening are the main desorption stage of gas solid separation in furnace body, guarantee gas extracting mouth and main
Discharge between gas discharge phase is closer, and desorption pollutant is discharged in time, prevents pollutant in cooling section
It is again introduced into soil.Fume collection pipe of the invention is open along feedstock direction, and main purpose is so that gas collection is taken out
It is opposite with the soil discharge direction after desorption to mention direction, it is ensured that the gaseous pollutant volatilized will not reduce again with temperature
Secondary solidification improves rotary kiln soil remediation effect to soil.
Entrance is preferable to provide as flare openings, when extraction pressure can be effectively prevent excessive, a large amount of soil sucking collections
Pipe makes to collect blockage.
Cooperate fume collection pipe of the invention to design each stage preferred size, can realize each phase process purpose
Under the premise of, the good repairing effect of the realization of economical rationality.
Spiral lifting blade and helical blade can be respectively set for the processing status of material in dryer section and desorption section, auxiliary
While helping conveying material, can also material be effectively prevent to agglomerate, and be heated evenly material.
Insulating layer is preferable to provide in desorption section periphery.
High temperature resistant divider mainly plays isolation discharging rotating cylinder and seal closure, using the similar butterfly valve of heat-resisting material
The clamping plate of structure is made.
Detailed description of the invention
Fig. 1 is a kind of schematic device of the hot repairing polluted soil of dystopy of the present invention；
Each label lists as follows in figure:
1- dryer section, 2- desorption section, 3- cooling section,
4- feeds reamer, 5- fume collection pipe, 6- seal closure, 7- spiral lifting blade, 8- helical blade, 9- entrance, 10- heat
Solve furnace, 11- high temperature resistant divider, the cooling rotating cylinder of 12- discharging, 14- insulating layer.
Specific embodiment
In order to better understand the present invention, the present invention is further explained below with reference to embodiment.
Embodiment
It is as shown in Figure 1 a kind of device of the hot repairing polluted soil of dystopy, including horizontally disposed rotary kiln kiln body, it is described
Kiln body successively includes dryer section 1, desorption section 2, cooling section 3 from import to outlet.There is electricity to add for the entire heating period periphery
The pyrolysis oven 10 of heat, the feed inlet of the dryer section 1 are connected to feeding device, and the present embodiment is using charging reamer 4, the feeding
4 end of reamer is higher than the entrance positioned at dryer section 1 by dryer section 1 and the end described in pipeline connection.The cooling section 3 it
Successively it is connected afterwards with the high temperature resistant divider 11 being located at below 3 end of cooling section and the cooling rotating cylinder 12 that discharges.It is passed through in dryer section 1
It is installed with fume collection pipe 5, and 51 size of the entrance is greater than the pipe diameter of fume collection pipe 5, is preferable to provide such as to scheme institute
The flare openings shown, by opening setting in 1 tail portion of dryer section direction desorption section 2.
The long 7800mm of the embodiment of the present invention kiln body, internal diameter 500mm, the dryer section 1, desorption section 2,3 length of cooling section
Respectively 1800mm, 5000mm and 1000mm.
The 3 periphery setting Water-cooling circulating device of cooling section, is arranged insulating layer 14 in desorption 2 periphery of section.
Seal closure 9, the feed inlet are respectively arranged in the starting point of the dryer section 1 and the end periphery of cooling section 3
In the seal closure 9, the outlet of the fume collection pipe 5 is located at outside seal closure 9.High temperature resistant divider 11 mainly plays isolation
The effect of discharging cooling rotating cylinder 12 and seal closure 9, is made of the clamping plate of the similar butterfly valve structure of heat-resisting material.
The course of work of the present embodiment is as follows, soil to be processed is conveyed into rotary kiln body by charging reamer 4 first, so
Soil completes the intracorporal hot repair process of kiln, then lead to successively by dryer section 1, desorption section 2, cooling section 3 in rotary kiln body afterwards
It crosses high temperature resistant divider 11 and enters the cooling rotating cylinder 12 that discharges.Since the location of opening of fume collection pipe 5 is gas-solid in furnace body
The main desorption stage of separation guarantees that the discharge between gas extracting mouth and predominant gas discharge phase is closer, so that de-
Attached pollutant can be discharged in time, and pollutant is prevented to be again introduced into soil in cooling section, in addition use flare openings can also be with
When effectivelying prevent extraction pressure excessive, a large amount of soil sucking collecting pipes make to collect blockage.It is directed in dryer section 1 and desorption section 2
Spiral lifting blade 7 and helical blade 8 can be respectively set in the processing status of material, while auxiliary conveys material, can also have
Effect prevents material from agglomerating, and is heated evenly material.Fume collection pipe of the invention is cooperated to design each stage preferred size, it can
Good repairing effect is realized to soil with economical rationality.
Specific embodiment of the invention is described in detail above.It should be appreciated that any technology for being familiar with the art
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by personnel, should all cover in protection model of the invention
Within enclosing.Therefore, all those skilled in the art pass through logic point according to design of the invention on the basis of the prior art
Analysis, reasoning are limited the available technical solution of experiment, such as each stage is modified in the framework of the present definition
Size, temperature etc., all should be within protection scope determined by claims of the present invention.
Claims (10)
1. a kind of device of the hot repairing polluted soil of dystopy, it is characterised in that including horizontally disposed rotary kiln kiln body, the kiln
Body successively includes dryer section, desorption section, cooling section along material direction of propulsion, and the dryer section and desorption section periphery have pyrolysis
Furnace, the feed inlet in the dryer section are connected to feeding device, and spiral lifting blade, the desorption section are provided in the dryer section
With helical blade is provided in cooling section, the dryer section end is provided with the entrance of fume collection pipe, and the entrance opening
Direction is identical as material direction of propulsion, and entrance opening dimension is greater than the pipe diameter of fume collection pipe.
2. the apparatus according to claim 1, it is characterised in that the entrance is the loudspeaker that opening is gradually reduced to pipe diameter
Shape mouth.
3. the apparatus according to claim 1, it is characterised in that the kiln body length is 7500~8000mm, internal diameter 450-
550mm。
4. device according to claim 3, it is characterised in that the dryer section, desorption section, the length of cooling section ratio are
1.6-2.0:4.5-5.5:0.8-1.2。
5. device according to claim 3, it is characterised in that the long 7800mm of kiln body, internal diameter 500mm, the drying
Section, desorption section, cooling segment length are respectively 1800mm, 5000mm and 1000mm.
6. the apparatus according to claim 1, it is characterised in that the feeding device includes feeding reamer, the feeding reamer
End is higher than the entrance positioned at dryer section by dryer section and the end described in pipeline connection.
7. the apparatus according to claim 1, it is characterised in that the cooling section periphery has Water-cooling circulating device.
8. the apparatus according to claim 1, it is characterised in that after the cooling section successively with high temperature resistant divider and out
Expect that cooling rotating cylinder is connected.
9. the apparatus according to claim 1, it is characterised in that insulating layer at least is arranged in the desorption section periphery.
10. the apparatus according to claim 1, it is characterised in that outside the starting point of the dryer section and the end of cooling section
It encloses and is respectively arranged with seal closure, the feed inlet is located in the seal closure, and the outlet of the fume collection pipe is located at seal closure
Outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910467246.2A CN110180880A (en) | 2019-05-31 | 2019-05-31 | A kind of soil heterotopic hot repair apparatus for coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910467246.2A CN110180880A (en) | 2019-05-31 | 2019-05-31 | A kind of soil heterotopic hot repair apparatus for coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110180880A true CN110180880A (en) | 2019-08-30 |
Family
ID=67719310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910467246.2A Pending CN110180880A (en) | 2019-05-31 | 2019-05-31 | A kind of soil heterotopic hot repair apparatus for coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110180880A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117003468A (en) * | 2023-09-28 | 2023-11-07 | 珙县华洁危险废物治理有限责任公司成都分公司 | Shale gas drilling oil sludge dry residue treatment device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US478265A (en) * | 1892-07-05 | Distilling apparatus | ||
| CN201179521Y (en) * | 2008-04-16 | 2009-01-14 | 姜秀君 | Rotary flame indirect heating furnace |
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| CN205042875U (en) * | 2015-10-12 | 2016-02-24 | 中咨国宜(北京)环境修复技术有限公司 | Pollute soil processing system |
| CN105363770A (en) * | 2015-12-17 | 2016-03-02 | 上海康恒环境股份有限公司 | Sectional type heating and modular thermal desorption equipment for restoring organic contaminated soil and method |
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| CN106077066A (en) * | 2015-11-24 | 2016-11-09 | 江苏安琪尔废气净化有限公司 | The system and method for flow-type energy-conservation LTTD RCO renovation of organic pollution soil |
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| CN109127700A (en) * | 2018-09-20 | 2019-01-04 | 航天凯天环保科技股份有限公司 | A kind of prosthetic appliance of organic polluted soil |
| CN208825191U (en) * | 2018-09-14 | 2019-05-07 | 湖南金赣防腐设备有限公司 | A kind of organic polluted soil thermal desorption device |
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2019
- 2019-05-31 CN CN201910467246.2A patent/CN110180880A/en active Pending
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|---|---|---|---|---|
| US478265A (en) * | 1892-07-05 | Distilling apparatus | ||
| CN201179521Y (en) * | 2008-04-16 | 2009-01-14 | 姜秀君 | Rotary flame indirect heating furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117003468A (en) * | 2023-09-28 | 2023-11-07 | 珙县华洁危险废物治理有限责任公司成都分公司 | Shale gas drilling oil sludge dry residue treatment device and system |
| CN117003468B (en) * | 2023-09-28 | 2023-12-05 | 珙县华洁危险废物治理有限责任公司成都分公司 | Shale gas drilling oil sludge dry residue treatment device and system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190830 |