CN208680156U - A kind of soil pollution reparation thermal desorption equipment in situ - Google Patents
A kind of soil pollution reparation thermal desorption equipment in situ Download PDFInfo
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- CN208680156U CN208680156U CN201821225827.2U CN201821225827U CN208680156U CN 208680156 U CN208680156 U CN 208680156U CN 201821225827 U CN201821225827 U CN 201821225827U CN 208680156 U CN208680156 U CN 208680156U
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Abstract
The utility model discloses a kind of soil pollutions to repair thermal desorption equipment in situ, the equipment includes burner (1), exhaust gas discharges blower (2) and heating tube (3), the heating tube (3) is embedded in soil for heating to contaminated soil, the upper end is connect with the burner (1), Waste gas outlet (31) are additionally provided on the heating tube (3), the Waste gas outlet (31) connect with exhaust gas discharge blower (2), at least one is additionally provided in the surrounding soil of the heating tube (3) for aspirating the extraction tube (4) of vapor phase contaminants in soil, the upper end gas outlet of the extraction tube (4) is connected to the burner (1).The pollutant extracted in extraction tube importing burner is subjected to processing of strile-bacing in the utility model, the usage amount of fuel is reduced, increases the thermal energy of output, it is crucial that not needing additionally to increase the processing equipment for being used to handle pollutant, good economy performance.
Description
Technical field
The utility model relates to environment protection equipments, and in particular to a kind of soil pollution reparation thermal desorption equipment in situ.
Background technique
With China's industrial expansion, industrial production causes soil to be polluted, and has seriously threatened ecological environment and the mankind
Health.Soil carries the clothing, food, lodging and transportion -- basic necessities of life of the mankind, is the material base that the mankind depend on for existence and development, and constitutes the ecosystem
Basic eco-environmental elements.Soil contamination problem has become the key subjects for threatening human health, influencing Environmental security.Soil is dirty
Dye repairs the important content for becoming environmental protection.
Soil pollution reparation refers to the method transfer using physics, chemistry and biology, absorbs, in degradation and conversion soil
Pollutant makes its concentration be reduced to acceptable level, or converts poisonous and hazardous pollutant to the mode of harmless substance.
Thermal desorption technology refers to as a kind of soil restoring technology being commonly used through direct or indirect heat
Soil is heated to certain temperature by exchanged form, make organic pollutant in contaminated soil etc. it is heated volatilization and it is disconnected,
And to the process that the pollutant volatilized is effectively collected and handled.Existing thermal desorption technology generally uses and digs Polluted Soil
It is placed on the dystopy thermal desorption heated in heating kiln out, which has the secondary pollution excavated, in transport.
A kind of thermal desorption equipment in situ of Organic Waste Water Treatment is disclosed in Chinese patent literature CN205289227U, it should
Soil heating can be such that pollutant is precipitated from soil by equipment in the case where not excavating soil, but the equipment can not be by pollutant
It removes, it is also necessary to which other special equipments handle contaminant collecting.
Utility model content
Utility model aims to solve in the presence of existing thermal desorption equipment in situ can not directly will be in soil
Pollutant the technical issues of directly being removed, face secondary treatment, the utility model provide a kind of soil pollution repair it is former
Position thermal desorption equipment.
It is adopted the following technical scheme that
A kind of soil pollution reparation thermal desorption equipment in situ, the equipment include burner, exhaust gas discharge blower and heating
Pipe, the heating tube are embedded in soil for heating to contaminated soil, and the upper end is connect with the burner, in the heating tube
It is additionally provided with Waste gas outlet, the Waste gas outlet is connect with exhaust gas discharge blower, in the surrounding soil of the heating tube
At least one is additionally provided with for aspirating the extraction tube of vapor phase contaminants in soil, the upper end gas outlet of the extraction tube and the combustion
The combustion chamber of burner is connected to, and directly the polluter extracted burns in the combustion chamber of burner.
Multiple stomatas are formed on the under ground portion tube wall of the extraction tube, are formed by gas phase pollution after heated soil
Object, vapor are entered inside the extraction tube by the stomata.
The control for controlling stripping gas flow and pipeline opening and closing is additionally provided on the aerial part pipeline of the extraction tube
Valve.
The heating tube includes heating inner tube and heating outer tube, outside the tube wall lateral surface of the heating inner tube and the heating
A circulation channel, the lower end closed of the heating outer tube are formed between the tube wall medial surface of pipe；It is described heating inner tube upper end with
Burner connection, lower ending opening and is connected to the circulation channel；The Waste gas outlet is close to the heating outer tube
Upper surface setting.
It is additionally provided with controller on the burner, opens, close and fires for controlling the combustion gas into the burner
Throughput.
Exhaust gas discharge blower is negative pressure air discharging machine, and when suction forms negative in the heating tube and in extraction tube
Pressure.
The burner is gas type burner.
Technical solutions of the utility model have the advantages that
A. the pollutant extracted in extraction tube importing burner is subjected to processing of strile-bacing in the utility model, reduces fuel
Usage amount, increase the thermal energy of output, be used to handle the processing equipment of pollutant it is crucial that not needing additionally to increase, it is economical
Property is good.
B. equipment provided by the utility model will not generate two in combustion process using the clean energy resourcies such as combustion gas as fuel
Secondary pollution, while burner guarantees that fuel gas buring is abundant using the algorithm of optimization, improves efficiency of combustion.
Detailed description of the invention
In order to illustrate more clearly of specific embodiment of the present invention, will make below to required in specific embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is that thermal desorption equipment schematic diagram in situ is repaired in soil pollution provided by the utility model.
Description of symbols:
1- burner
11- fuel gas inlet, 12- main air inlet, 13- air inlet
2- exhaust gas discharges blower
3- heating tube, 3A- heat inner tube, and 3B- heats outer tube
31- Waste gas outlet
4- extraction tube
41- stomata, 42- control valve
5- circulation channel
6- controller；7- chimney；The ground 8-；9- power supply line.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ability
It is practical new to belong to this for domain those of ordinary skill every other embodiment obtained without making creative work
The range of type protection.
As shown in Figure 1, the utility model, which provides a kind of soil pollution, repairs thermal desorption equipment in situ, including burner 1,
Exhaust gas discharges blower 2 and heating tube 3, and burner 1 here is preferably gas type burner, will not make to environment after fuel gas buring
At pollution.Heating tube 3 is embedded in the soil below of ground 8 for heating to contaminated soil, the upper end of heating tube 3 and burner 1
Connection is additionally provided with Waste gas outlet 31 in heating tube 3, and Waste gas outlet 31 is connect with exhaust gas discharge blower 2, in heating tube 3
Generated burning waste gas is discharged blower 2 by exhaust gas and is discharged；Extraction tube 4 is additionally provided in the surrounding soil of heating tube 3, wherein
Multiple stomatas 41 are formed on the tube wall of the under ground portion of extraction tube 4 and the pipeline of part is equipped with control valve 42, control on the ground
Valve 42 processed is used to control the stripping gas flow in extraction tube 4, and plays the role of opening and closing extraction tube 4, through adding
Vapor phase contaminants are formed by after hometown earth, vapor is entered inside extraction tube 4 by stomata 41.The upper end outlet of extraction tube 4
Mouth is connected with the combustion chamber of burner 1, and directly the polluter extracted burns in the combustion chamber of burner,
Extraction tube 4 in Fig. 1 is set in parallel with heating tube 3, does not limit the installation of extraction tube and heating tube in the soil here certainly
Angle.When more extraction tubes 4 are arranged around heating tube, the outlet end of every extraction tube 4 can be connected with a general pipeline,
General pipeline is connected to burner 1 again and (is not drawn in figure), can be known by Fig. 1, just be repeated no more here, it in this way can be by ring
Contaminated soil around heating tube 3 carries out pollution amelioration processing, and disposable repair completes greater area of contaminated soil.
The utility model preferably several circular extraction tubes of stomata 41 set on the under ground portion tube wall of extraction tube 4
The items of 4 tube walls stitches, or other small structures are not especially limited here, wherein the ventilation quantity through via hole or seam will be with
The exhausting ability of exhaust gas discharge blower 2 matches, and is extracted out the pollutant in soil with maximum.Heating tube 3 includes in heating
Pipe 3A and heating outer tube 3B is heated and is formed a circulation between the tube wall lateral surface of inner tube 3A and the tube wall medial surface of heating outer tube 3B
The lower end closed of outer tube 3B is heated in channel 5；The upper end of heating inner tube 3A is connect with burner 1, and the lower end of heating inner tube 3A is opened
Mouthful, lower ending opening is connected to circulation channel 5；Upper surface setting of the Waste gas outlet 31 close to heating outer tube 3B.
Exhaust gas discharge blower 2 therein is preferably negative pressure emission blower, air-introduced machine is used in the utility model, when aspirating
Negative pressure is formed in heating tube 3 and in extraction tube 4, forms heat exchange flowing of the heat gas in heating tube.It will after fuel gas buring
It exchanges heat with heating outer tube 3B, heating outer tube 3B exchanges heat with soil again simultaneously, to make the soil temperature around heating tube 3
Degree increases.
In order to more preferably control soil heating temperature, realizes the full combustion of combustion gas, control is additionally provided on burner 1
Device 6 processed is connected with the power supply line 9 connected to power supply on controller 6, at the same be additionally provided on burner 1 main air inlet 12 and time
Air inlet 13, controller 6 enter gas flow and switch in burner 1 by control, reach regulating gas air ratio and combustion
The purpose of atmospheric pressure.Exhaust gas discharges blower 2 and is evacuated outward, can make to form negative pressure in heating tube 3, guide the flowing of off-gas flows
Direction forms negative pressure in extraction tube 4, and the vapor phase contaminants in soil, vapor can be made to enter in extraction tube 4, then made
The pollutant extracted, which is directly entered in the combustion chamber of burner 1, carries out burning processing, and then comburant is discharged by chimney.
Specifically, combustion gas is entered in burner 1 by the fuel gas inlet 11 on controller, the combustion gas in burner 1 with
Air is mixed and burned, and the hot waste gas after burning enters heating tube 3, from heating inner tube 31 to tube bottom, then passes through heating inner tube 31
With 5 region of circulation channel between heating outer tube 32, heat carries out heat exchange by heating outer tube 32 and soil, after heat exchange
Exhaust gas discharges blower 2 by exhaust gas and discharges, and burner 1 here is the prior art, for its specific structure, here just no longer this
It repeats.After the soil moisture increases, the organic pollutant in soil is precipitated from soil, evaporates gasification, is entered by extraction tube 4
Burner 1 burns in burner 1, and pollutant, at innocuous substances such as free of contamination carbon dioxide and water, is led to by burning conversion
Cross exhaust gas discharge 2 negative pressure ventilation of blower, by after burning carbon dioxide and the innocuous substances such as water be discharged from chimney, this equipment is real
The institutional operation mode handled in extraction and side is discharged to soil pollutant is showed, has significantly improved to institute in soil
Treatment effeciency containing pollutant avoids the secondary pollution to atmosphere.
The pollutant extracted in extraction tube 4 is introduced directly into burner 1 in the utility model and carries out processing of strile-bacing, significantly
The usage amount for reducing fuel, increases the thermal energy of output, it is crucial that not needing additionally to increase the processing for being used to handle pollutant
Equipment, good economy performance.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among still in the protection scope of the utility model.
Claims (7)
1. thermal desorption equipment in situ is repaired in a kind of soil pollution, the equipment include burner (1), exhaust gas discharge blower (2) and
Heating tube (3), the heating tube (3) are embedded in soil for heating to contaminated soil, and the upper end and the burner (1) are even
It connects, is additionally provided with Waste gas outlet (31) on the heating tube (3), the Waste gas outlet (31) and the exhaust gas discharge blower
(2) it connects, which is characterized in that at least one is additionally provided in the surrounding soil of the heating tube (3) for aspirating gas phase in soil
The upper end gas outlet of the extraction tube (4) of pollutant, the extraction tube (4) is connected to the combustion chamber of the burner (1).
2. thermal desorption equipment in situ is repaired in soil pollution according to claim 1, which is characterized in that the extraction tube (4)
Under ground portion tube wall on form multiple stomatas (41), be formed by vapor phase contaminants after heated soil, vapor passes through institute
It states stomata (41) and enters the extraction tube (4) inside.
3. thermal desorption equipment in situ is repaired in soil pollution according to claim 2, which is characterized in that the extraction tube (4)
The control valve (42) for controlling stripping gas flow and pipeline opening and closing is additionally provided on the pipeline of aerial part.
4. thermal desorption equipment in situ is repaired in soil pollution according to claim 1, which is characterized in that the heating tube (3)
Including heating inner tube (3A) and heating outer tube (3B), the tube wall lateral surface of heating inner tube (3A) and the heating outer tube (3B)
Tube wall medial surface between formed a circulation channel (5), it is described heating outer tube (3B) lower end closed；The heating inner tube (3A)
Upper end connect with the burner (1), lower ending opening and be connected to the circulation channel (5)；The Waste gas outlet
(31) close to the upper surface setting of heating outer tube (3B).
5. thermal desorption equipment in situ is repaired in soil pollution according to claim 1 to 4, which is characterized in that the burning
It is additionally provided with controller (6) on device (1), opens, close and gas flow for control the combustion gas in the entrance burner (1).
6. thermal desorption equipment in situ is repaired in soil pollution according to claim 5, which is characterized in that the exhaust gas discharges wind
Machine (2) is negative pressure air discharging machine, and when suction forms negative pressure in the heating tube (3) and in extraction tube (4).
7. thermal desorption equipment in situ is repaired in soil pollution according to claim 1, which is characterized in that the burner is combustion
Gas type burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821225827.2U CN208680156U (en) | 2018-07-31 | 2018-07-31 | A kind of soil pollution reparation thermal desorption equipment in situ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821225827.2U CN208680156U (en) | 2018-07-31 | 2018-07-31 | A kind of soil pollution reparation thermal desorption equipment in situ |
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| Publication Number | Publication Date |
|---|---|
| CN208680156U true CN208680156U (en) | 2019-04-02 |
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ID=65883182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821225827.2U Active CN208680156U (en) | 2018-07-31 | 2018-07-31 | A kind of soil pollution reparation thermal desorption equipment in situ |
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| Country | Link |
|---|---|
| CN (1) | CN208680156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746180A (en) * | 2018-07-31 | 2018-11-06 | 森特士兴集团股份有限公司 | A kind of soil pollution reparation thermal desorption equipment in situ |
| CN110523759A (en) * | 2019-08-01 | 2019-12-03 | 湖南恒凯环保科技投资有限公司 | Equipment for the thermal desorption reparation of organic polluted soil original position |
-
2018
- 2018-07-31 CN CN201821225827.2U patent/CN208680156U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746180A (en) * | 2018-07-31 | 2018-11-06 | 森特士兴集团股份有限公司 | A kind of soil pollution reparation thermal desorption equipment in situ |
| CN110523759A (en) * | 2019-08-01 | 2019-12-03 | 湖南恒凯环保科技投资有限公司 | Equipment for the thermal desorption reparation of organic polluted soil original position |
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