CN204276510U - A kind of vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance - Google Patents
A kind of vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance Download PDFInfo
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- CN204276510U CN204276510U CN201420731228.3U CN201420731228U CN204276510U CN 204276510 U CN204276510 U CN 204276510U CN 201420731228 U CN201420731228 U CN 201420731228U CN 204276510 U CN204276510 U CN 204276510U
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- phase extracting
- prosthetic appliance
- contaminated soils
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Abstract
The utility model discloses a kind of vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance, comprise the casing be mounted on transport vehicle, be provided with in described casing connected successively by pipeline air pump, absorption tower, steam-water separator, filling absorber, air-introduced machine, the entrance of described air pump is attached across the blast pipe of wall box, and the outlet of described air-introduced machine is attached across the exhaust duct of box top wall.Complete gas phase extracting treatment facility is arranged in the casing of transport vehicle by the utility model, convenient transport, and can use in time, cost is lower, and whole equipment de-sign is compact in addition, and installation and debugging are convenient, is convenient to safeguard.
Description
Technical field
The utility model relates to remediation contaminated soil technical field, particularly relates to a kind of vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance.
Background technology
Along with Urbanization in China is accelerated, urban construction land needed also gets more and more, and will displace a large amount of industrial pollution place in city, and wherein volatile organic matter (VOCs) occupies larger proportion.Volatile organic contaminant can cause serious harm to terrestrial life and aerial plant, because of its unstability in contaminated site medium, also can cause serious atmosphere pollution, and with air flowing, rainwash and leaching pollute the soil in other areas, even penetrate into underground water, pollute shallow underground water environment, affect the water quality of drinking water, administer if do not added or repair, directly use the very large environment hidden danger of existence and human health risk.
VOCs in soil is as the special soil pollutant of a class, because it has the polluting property that disguise, volatility, toxic, cumulative bad, diversity etc. are different from other pollutants, and because of the complexity of its composition and harmfulness, be listed in the toxic pollutant that potentially danger in environment is large, answer priority acccess control.The domestic and international recovery technique researched and developed for the feature of VOCs contaminated soil mainly contains Thermal desorption, light degradation, chemical leaching, gas phase extracting etc. at present, wherein gas phase extraction technique operating cost is cheap, easy and simple to handle, in the reparation of many VOCs contaminated soils, obtain successful Application.
CN 202539176 U discloses a kind of soil and the heterogeneous extracting disposal plant of underground water volatile organic matter original position, is made up of extraction well system, extracting and Separate System of Water-jet and exhaust gas purification system.Under the suction function that volatile contaminant in soil and groundwater produces at vortex air pump (12) and Roots vaccum pump (13), suck centrifugal steam purifier (8) by extraction well system and carry out gas-liquid separation, gas after dehydrating is introduced into filter (9) and filters, gas-water separation formula active carbon adsorber (14) is entered again through vortex pump (12) and Roots vaccum pump (13), carry out adsorption cleaning by active carbon to the pollutant in gas, the gas purified is discharged from aiutage (16) through pipeline.
The most complex structure of gas phase extracting treatment facility of current employing, complex operation, cannot use at scene immediately, could come into operation normally after needing loaded down with trivial details installation, debugging efforts, and equipment carrying is inconvenient, produce and use cost higher, repairing effect is undesirable.
Utility model content
The utility model improves existing a kind of vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance, and to solve existing equipment transport inconvenience, scene cannot use in the short time, the problem that use cost is high.
A kind of vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance, comprise the casing be mounted on transport vehicle, be provided with in described casing connected successively by pipeline air pump, absorption tower, steam-water separator, filling absorber, air-introduced machine, the entrance of described air pump is attached across the blast pipe of wall box, and the outlet of described air-introduced machine is attached across the exhaust duct of box top wall.
Described absorption tower comprises tower body, and described tower body top is provided with multiple shower nozzle, is provided with circulating pump outside tower body, and pump inlet is connected bottom tower body by pipeline, and circulating-pump outlet connects shower nozzle by pipeline.
Described tower body is column construction, and tower body end face two ends are respectively equipped with air inlet and air outlet, and the position near air inlet in tower body is provided with baffle plate.
Described filling absorber is horizontal type structure, and two ends are respectively equipped with air inlet and air outlet.
Whether described exhaust duct is provided with detection mouth, spend sampling and detect, process up to standard.
Described filling absorber two ends are taper.
Be provided with return duct between described absorption tower and steam-water separator, return duct one end connects the top of steam-water separator, and the other end connects the bottom on absorption tower.
Described steam-water separator comprises separation chamber, and top, separation chamber is provided with air inlet and air outlet, and bottom is provided with leakage fluid dram.
Complete gas phase extracting treatment facility is arranged in the casing of transport vehicle by the utility model, convenient transport, and can use in time, cost is lower, and whole equipment de-sign is compact in addition, and installation and debugging are convenient, is convenient to safeguard.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model device.
Detailed description of the invention
As shown in Figure 1, a kind of vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance, the casing 1 on transport vehicle is mounted in when comprising use, be provided with in casing 1 connected by pipeline successively aspiration pump 2, absorption tower 3, steam-water separator 4, filling absorber 5, air-introduced machine 6, aspiration pump 2 has inlet scoop 21, and inlet scoop 21 is attached across the blast pipe (not shown) of wall box.The exhaust outlet of air-introduced machine connects exhaust duct 7, and exhaust duct is vertically arranged, through the roof of casing 1.
Absorption tower 3 is column construction, and two ends, top are provided with air inlet and air outlet, and there is baffle plate 31 the inner position near air inlet, shower nozzle 32 is arranged at the top of absorption tower 3 inner chamber, the position between air inlet and air outlet of shower nozzle 32, arranges even as far as possible, ensures to there is not blind area between shower nozzle.Have circulating pump 33 outside the tower body on absorption tower 3, the charging aperture of circulating pump 33 connects the bottom of tower body by pipeline, discharging opening connects shower nozzle by pipeline.
Steam-water separator comprises separation chamber, and top, separation chamber is provided with air inlet and air outlet, and bottom is provided with leakage fluid dram, is to extend the time that gas flows out, also can dividing plate in air inlet position, and barrier air is directly flowed out by air outlet.In addition can return duct (not shown) be set between steam-water separator and absorption tower, return duct one end be separated middle part connect, the other end is connected with the bottom of tower body.
Filling absorber 5 adopts horizontal type structure, and two ends adopt tapered joint head, are convenient to the diffusion of gas and collect.The material that filler can select active carbon etc. to reuse.Also filling container can be separated into several sections, between separate with filter screen, place different filler, to adsorb all volatile organic matters as far as possible for every section.
Air inducing pump 6 mainly allows gas discharge from inside, is provided with and detects mouth 71, be convenient to sample analysis in the middle of exhaust duct 7.In addition, casing 1 inside is provided with power supply and switch board 8, can allow the ruly continuous service of each several part.
Above equipment operation principle is as follows:
Generally, Polluted area has buried screen casing, volatile organic matter can enrichment in screen casing again, during use, tracheae first connects buried screen casing, and aspiration pump 2 is by exhaust tube by gas suction absorption tower 3, and shower nozzle 32 sprays absorbent, absorbed by volatile organic matter in gas, remainder exports absorption tower 3 and enters steam-water separator.Due to gas-carrying portion steam, the absorbent out from absorption tower 3, can realize being separated by steam-water separator 4.After gas-liquid separation, gas enters filling absorber 5, and volatile organic matter continues by the filling adsorption of inside, is then discharged by exhaust duct 7.
Claims (8)
1. a vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance, it is characterized in that, comprise the casing be mounted on transport vehicle, be provided with in described casing connected successively by pipeline air pump, absorption tower, steam-water separator, filling absorber and air-introduced machine, the entrance of described air pump is attached across the blast pipe of wall box, and the outlet of described air-introduced machine is attached across the exhaust duct of box top wall.
2. vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance as claimed in claim 1, it is characterized in that, described absorption tower comprises tower body, described tower body top is provided with multiple shower nozzle, circulating pump is provided with outside tower body, pump inlet is connected bottom tower body by pipeline, and circulating-pump outlet connects shower nozzle by pipeline.
3. vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance as claimed in claim 2, it is characterized in that, described tower body is column construction, and tower body end face two ends are respectively equipped with air inlet and air outlet, and the position near air inlet in tower body is provided with baffle plate.
4. vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance as claimed in claim 1, it is characterized in that, described exhaust duct is provided with detection mouth.
5. vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance as claimed in claim 1, it is characterized in that, described filling absorber is horizontal type structure, and two ends are respectively equipped with air inlet and air outlet.
6. vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance as claimed in claim 1, it is characterized in that, described filling absorber two ends are taper.
7. vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance as claimed in claim 1, it is characterized in that, be provided with return duct between described absorption tower and steam-water separator, return duct one end connects the top of steam-water separator, and the other end connects the bottom on absorption tower.
8. vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance as claimed in claim 1, it is characterized in that, described steam-water separator comprises separation chamber, and top, separation chamber is provided with air inlet and air outlet, and bottom is provided with leakage fluid dram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420731228.3U CN204276510U (en) | 2014-11-26 | 2014-11-26 | A kind of vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420731228.3U CN204276510U (en) | 2014-11-26 | 2014-11-26 | A kind of vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance |
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| Publication Number | Publication Date |
|---|---|
| CN204276510U true CN204276510U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420731228.3U Active CN204276510U (en) | 2014-11-26 | 2014-11-26 | A kind of vehicular VOCs-contaminated Soils gas phase extracting prosthetic appliance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238447A (en) * | 2016-08-25 | 2016-12-21 | 环境保护部南京环境科学研究所 | Soil vapor extraction repair system |
| CN110057396A (en) * | 2019-02-20 | 2019-07-26 | 中国石油天然气集团有限公司 | A kind of soil and groundwater volatile organic matter continuous monitor system and method for early warning |
-
2014
- 2014-11-26 CN CN201420731228.3U patent/CN204276510U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238447A (en) * | 2016-08-25 | 2016-12-21 | 环境保护部南京环境科学研究所 | Soil vapor extraction repair system |
| CN110057396A (en) * | 2019-02-20 | 2019-07-26 | 中国石油天然气集团有限公司 | A kind of soil and groundwater volatile organic matter continuous monitor system and method for early warning |
| CN110057396B (en) * | 2019-02-20 | 2022-02-01 | 中国石油天然气集团有限公司 | Continuous monitoring system and early warning method for volatile organic compounds in soil and underground water |
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