CN206444997U - A kind of ozone decompression desorption system of organic polluted soil - Google Patents
A kind of ozone decompression desorption system of organic polluted soil Download PDFInfo
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- CN206444997U CN206444997U CN201621457651.4U CN201621457651U CN206444997U CN 206444997 U CN206444997 U CN 206444997U CN 201621457651 U CN201621457651 U CN 201621457651U CN 206444997 U CN206444997 U CN 206444997U
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Abstract
Desorption system is depressurized the utility model discloses a kind of ozone of organic polluted soil, including processing storehouse, the upper end in the processing storehouse offers sealed feed inlet, sealed feed inlet is connected with the upper end insertion of the spiral material conveyer in processing storehouse inner chamber, the lower end of the spiral material conveyer is connected with soil temporary storing bin, and soil temporary storing bin is located at the intracavity bottom in processing storehouse, the bottom side of the wall in processing storehouse, which is provided with, seals material mouth, the ozone decompression desorption system of this organic polluted soil is simple in construction, by using negative pressure desorption system, the boiling temperature that reduction organic pollution is desorbed from soil, eliminate the consumption of heat energy, reduce system operation cost.In organic pollution after solid phase of soil is desorbed to gas phase, the ozone with strong oxidizing property is passed through, on the other hand one side degradable organic pollutant, reduces the vapour pressure of organic pollution in desorption system, accelerate desorption process of the organic pollution from solid phase of soil.
Description
Technical field
The utility model is related to environmental technology field, the ozone decompression desorption system of specially a kind of organic polluted soil.
Background technology
Currently for the higher organic polluted soil of boiling point, such as multiring aromatic hydrocarbon contaminated soil, thermal desorption is effective normal
See handling process.But thermal desorption processes with direct or indirect mode heating soil, it is necessary to consume the substantial amounts of energy, therefore processing
Cost is of a relatively high.In addition, complicated chemical reaction occurs for organic matter after heating so that at the tail gas that complexity is needed after thermal desorption
Reason process.
Utility model content
The purpose of this utility model is the ozone decompression desorption system for providing a kind of organic polluted soil, above-mentioned to solve
The problem of being proposed in background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of ozone decompression of organic polluted soil
Desorption system, including processing storehouse, the upper end in the processing storehouse offer sealed feed inlet, and sealed feed inlet is with handling in the inner chamber of storehouse
Spiral material conveyer upper end insertion connection, the lower end of the spiral material conveyer is connected with soil temporary storing bin, and native
Earth temporary storing bin is located at the intracavity bottom in processing storehouse, and the bottom side of the wall in processing storehouse, which is provided with, seals material mouth, the processing Cang Yicebi
Ozone jet is provided with, and ozone jet is connected with ozone generator connector, insertion on the processing Cang Lingyicebi
Sealed negative-pressure suction interface is connected, and one end insertion of sealed negative-pressure suction interface and negative-pressure pipeline is connected, the negative-pressure pipeline
Vavuum pump is provided with, and the other end of negative-pressure pipeline is connected with active carbon filler adsorption tanks insertion.
It is preferred that, the processing storehouse using sealing compression-resistant structure, its with sealed feed inlet, seal material mouth, ozone and spray
Mouth, the junction of sealed negative-pressure suction interface are tightly connected using strict.
It is preferred that, described negative-pressure pipeline and the exhaust capacity of vavuum pump, it is sufficient to be reduced to the atmospheric pressure in processing storehouse
0.01 atmospheric pressure.
It is preferred that, the material transfer rate of described spiral material conveyer can adjust, to meet contaminated soil in reaction
In storehouse and ozone contact residence time it is variable between 5 to 20 minutes.
It is preferred that, granular activated carbon packing layer, the height root of active carbon layer are provided with described active carbon filler adsorption tanks
Determined according to the organic exhaust gas concentration in negative-pressure pipeline through on-the-spot test, it is ensured that system tail gas qualified discharge.
Compared with prior art, the beneficial effects of the utility model are：The ozone decompression desorption system of this organic polluted soil
System is simple in construction, by using negative pressure desorption system, and the boiling temperature that reduction organic pollution is desorbed from soil eliminates heat
The consumption of energy, reduces system operation cost.In organic pollution after solid phase of soil is desorbed to gas phase, it is passed through with strong oxidizing property
Ozone, one side degradable organic pollutant, on the other hand, reduction desorption system in organic pollution vapour pressure, accelerate to have
Desorption process of the organic pollutants from solid phase of soil.Integrated advanced oxidation and decompression are desorbed in one, while efficient process volatility
Organic matter and the higher semi-volatile organic matter of boiling point, ozone high grade oxidation can the different types of Organic Pollution of efficient process
Soil, closed decompression operation, tail gas recycle and ozone are quenched, non-secondary pollution, with very strong practicality.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
In figure：1 sealed feed inlet, 2 spiral material conveyers, 3 sealed negative-pressure suction interfaces, 4 ozone jets, 5 ozone
Generator connector, 6 soil temporary storing bins, 7 seal material mouth, 8 negative-pressure pipelines, 9 vavuum pumps, 10 active carbon filler adsorption tanks, 11
Handle storehouse.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：
A kind of ozone decompression desorption system of organic polluted soil, including processing storehouse 11, the upper end in processing storehouse 11 is offered
Sealed feed inlet 1, sealed feed inlet 1 is connected with the upper end insertion of the spiral material conveyer 2 in the processing inner chamber of storehouse 11, spirals
The lower end of material conveyer 2 is connected with soil temporary storing bin 6, and soil temporary storing bin 6 is located at the intracavity bottom in processing storehouse 11, handles storehouse 11
Bottom side of the wall provided with sealing material mouth 7, the processing side wall of storehouse 11 is provided with ozone jet 4, and ozone jet 4 is along place
The side wall distribution in storehouse 11 is managed, can make it that quickly fully contact is handled inside storehouse 11 ozone, and ozone jet 4 occurs with ozone
Device connector 5 is connected, insertion connection sealed negative-pressure suction interface 3 on the processing opposite side wall of storehouse 11, and two sealed negative-pressure pumpings
Interface 3 divides equally the upper and lower ends side wall in processing storehouse 11, and one end insertion of sealed negative-pressure suction interface 3 and negative-pressure pipeline 8 connects
Connect, negative-pressure pipeline 8 is provided with vavuum pump 9, and the other end of negative-pressure pipeline 8 is connected with the insertion of active carbon filler adsorption tanks 10, it is living
Property carbon filling material adsorption tanks 10 in be provided with granular activated carbon packing layer, it is ensured that system tail gas qualified discharge.
Operation principle：A certain amount of contaminated soil is added from sealed feed inlet 1, sealed feed inlet is closed afterwards, is kept close
Envelope charging aperture 1 and the sealing for sealing material mouth 7, vavuum pump 9 are closed.Spiral material conveyer 2 is opened, makes contaminated soil downwards
Conveying.Vavuum pump 9 is opened, pressure in desorption system is dropped to 0.3 atmospheric pressure.After keeping vacuum for a period of time, start smelly
Oxygen evolution system is united, and opens ozone jet 4, when pressure reaches 0.6 atmospheric pressure, closes ozone emission system and ozone injection
Mouth 4.Kept for helical material transportation system operation a period of time, after whole soil enter soil temporary storing bin 6, close spiral material
Induction system.Opening seals material mouth, removes soil temporary storing bin 6, completes the contaminated soil processing of a batch, Posterior circle with
The operation of upper step.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of ozone decompression desorption system of organic polluted soil, including processing storehouse (11), it is characterised in that：The processing storehouse
(11) upper end offers sealed feed inlet (1), sealed feed inlet (1) and the spiral material conveyer in processing storehouse (11) inner chamber
(2) upper end insertion connection, the lower end of the spiral material conveyer (2) is connected with soil temporary storing bin (6), and soil temporary storing bin
(6) it is located at the intracavity bottom of processing storehouse (11), the bottom side of the wall of processing storehouse (11), which is provided with, seals material mouth (7), the processing storehouse
(11) side wall is provided with ozone jet (4), and ozone jet (4) is connected with ozone generator connector (5), the place
Manage insertion connection sealed negative-pressure suction interface (3) on storehouse (11) opposite side wall, and sealed negative-pressure suction interface (3) and negative-pressure pipeline
(8) one end insertion connection, the negative-pressure pipeline (8) is provided with vavuum pump (9), and the other end and activity of negative-pressure pipeline (8)
Carbon filling material adsorption tanks (10) insertion is connected.
2. a kind of ozone decompression desorption system of organic polluted soil according to claim 1, it is characterised in that：The place
Storehouse (11) are managed using sealing compression-resistant structure, it is with sealed feed inlet (1), to seal material mouth (7), ozone jet (4), sealing negative
The junction of pressure suction interface (3) is tightly connected using strict.
3. a kind of ozone decompression desorption system of organic polluted soil according to claim 1, it is characterised in that：It is described negative
The exhaust capacity of pressure pipeline (8) and vavuum pump (9), it is sufficient to make the atmospheric pressure in processing storehouse (11) be reduced to 0.01 atmospheric pressure.
4. a kind of ozone decompression desorption system of organic polluted soil according to claim 1, it is characterised in that：The spiral shell
The material transfer rate for revolving material conveyer (2) can adjust.
5. a kind of ozone decompression desorption system of organic polluted soil according to claim 1, it is characterised in that：The work
Property carbon filling material adsorption tanks (10) in be provided with granular activated carbon packing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621457651.4U CN206444997U (en) | 2016-12-28 | 2016-12-28 | A kind of ozone decompression desorption system of organic polluted soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621457651.4U CN206444997U (en) | 2016-12-28 | 2016-12-28 | A kind of ozone decompression desorption system of organic polluted soil |
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| Publication Number | Publication Date |
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| CN206444997U true CN206444997U (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621457651.4U Active CN206444997U (en) | 2016-12-28 | 2016-12-28 | A kind of ozone decompression desorption system of organic polluted soil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526214A (en) * | 2018-05-28 | 2018-09-14 | 上海龙净环保科技工程有限公司 | Heterogeneous oxidation soil remediation method and system |
-
2016
- 2016-12-28 CN CN201621457651.4U patent/CN206444997U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526214A (en) * | 2018-05-28 | 2018-09-14 | 上海龙净环保科技工程有限公司 | Heterogeneous oxidation soil remediation method and system |
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