CN115007629A - Steam type soil pollutant reinforcing vapor extraction repairing device - Google Patents
Steam type soil pollutant reinforcing vapor extraction repairing device Download PDFInfo
- Publication number
- CN115007629A CN115007629A CN202210434342.9A CN202210434342A CN115007629A CN 115007629 A CN115007629 A CN 115007629A CN 202210434342 A CN202210434342 A CN 202210434342A CN 115007629 A CN115007629 A CN 115007629A
- Authority
- CN
- China
- Prior art keywords
- gas
- filter
- liquid separator
- steam
- ring
- 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
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a steam type soil pollutant enhanced gas-phase extraction repairing device which comprises a steam generator, a first gas-liquid separator, a second gas-liquid separator, a pressure regulating valve, a vacuum pump, a waste gas processor, a filter, a soil body, a first pipeline and a second pipeline, wherein the first gas-liquid separator is connected with the second gas-liquid separator through the first pipeline; the top of soil body is provided with the barrier layer, the inside of soil body is provided with into gas well and gas extraction well, be provided with communicating pipe on the gas inlet well, steam generator's export is linked together through first vapour and liquid separator, air-vent valve and first pipeline and gas inlet well, and the export of gas extraction well is linked together through the entry of second pipeline and second vapour and liquid separator, and the liquid outlet and the waste water treater of second vapour and liquid separator are linked together, and the gas outlet of second vapour and liquid separator is linked together through vacuum pump and exhaust gas treater and filter, and the device can avoid atmospheric environment pollution.
Description
Technical Field
The invention belongs to the technical field of soil remediation devices, and relates to a steam type soil pollutant enhanced vapor extraction remediation device.
Background
Steam is injected into a soil pollution area through an air inlet well, negative pressure is generated by a vacuum pump, organic matters in soil are desorbed and carried by air, the air flows back to the ground through an air pumping well to be collected and processed, the extracted waste gas can be discharged into the atmosphere after being purified by a waste gas processor, the steam is used for heating the soil, the gasification and volatilization of volatile organic matters in the soil are accelerated, and therefore the content of heavy oil and light oil in the soil is reduced, the toxicity of the soil is reduced, and the soil remediation efficiency is improved.
In the prior art, when a common steam type soil pollutant reinforced gas phase extraction and restoration device is used, steam is injected into a soil pollution area, a vacuum pump is used for generating negative pressure, organic matters in soil are desorbed and carried by air, the organic matters flow back to the ground through an air extraction well for collection and treatment, the extracted waste gas can be discharged into the atmosphere after being purified by a waste gas treater, but the gas flow treated by the waste gas treater still contains a certain amount of impurities, and the gas flow with the impurities is discharged into the atmosphere for a long time, so that the hidden danger of atmospheric environment pollution still exists.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a steam type soil pollutant enhanced vapor extraction repair device which can avoid the pollution to the atmospheric environment.
In order to achieve the purpose, the steam type soil pollutant enhanced gas phase extraction repair device comprises a steam generator, a first gas-liquid separator, a second gas-liquid separator, a pressure regulating valve, a vacuum pump, a waste gas processor, a filter, a soil body, a first pipeline and a second pipeline;
the top of soil body is provided with the barrier layer, the inside of soil body is provided with into gas well and gas extraction well, be provided with communicating pipe on the gas well, steam generator's export is linked together through first vapour and liquid separator, air-vent valve and first pipeline and gas well, and the export of gas extraction well is linked together through the entry of second pipeline and second vapour and liquid separator, and the liquid outlet and the waste water treater of second vapour and liquid separator are linked together, and the gas outlet of second vapour and liquid separator is linked together through vacuum pump and exhaust gas treater and filter.
The communicating pipe comprises a pipe body and a plurality of through holes formed in the pipe body, and the pipe body is arranged on the surface of the gas inlet well.
The surface of the pipe body is wrapped with porous filter materials.
The surface of the first pipeline is provided with a flowmeter and a pressure gauge respectively, and the flowmeter is located between the pressure gauge and the pressure regulating valve.
The filter is including straining a section of thick bamboo, straining the lid, supporting sleeve, holding ring and filter core, it is linked together with exhaust-gas treatment ware to strain a section of thick bamboo, strain the bottom fixedly connected with lower seal pad of a section of thick bamboo, the bottom of lower seal pad and the top swing joint who strains the lid, support cover fixed connection in the top of straining the lid, support the outer wall of cover and the inner wall swing joint who strains a section of thick bamboo, holding ring fixed connection is in the inner wall of straining a section of thick bamboo, the bottom fixedly connected with upper seal pad of holding ring, the bottom swing joint of upper seal pad has the ring, the inner wall of ring and the surface fixed connection of filter core, the bottom of ring and the top swing joint who supports the cover, the fixed surface of straining a section of thick bamboo has connect the upper ring, the fixed surface of straining the lid has connect the lower ring, swing joint between upper ring and the lower ring.
The upper ring is movably connected with the lower ring through a bolt assembly.
The central axes of the support sleeve, the positioning ring, the filter element and the circular ring are all coincided with the central axis of the filter cylinder.
And the surface of the filter cylinder is fixedly connected with a support rod.
The bottom of the supporting rod is fixedly connected with a bottom plate.
The invention has the following beneficial effects:
when the steam type soil pollutant enhanced gas phase extraction and repair device is in specific operation, waste gas enters the filter after passing through the waste gas processor, the waste gas after being processed by the waste gas processor is filtered by the filter, the effect of greatly reducing impurities in the gas flow is achieved, and pollution to the atmosphere is effectively prevented.
Furthermore, steam is better injected into the soil body between two adjacent gas inlet wells through the communicating pipe, so that the steam is fully contacted with the soil body, the gasification and volatilization effects of volatile organic compounds in the soil body are improved, and the energy consumption of the system is reduced by more than 20%.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a right sectional view of communication pipe 7 of the present invention;
FIG. 3 is a schematic view of the filter 15 according to the present invention;
figure 4 is a front cross-sectional view of a filter cartridge 1501 in accordance with the present invention.
Wherein, 1 is a soil body, 2 is a barrier layer, 3 is an air inlet well, 4 is an air extraction well, 5 is a first pipeline, 6 is a second pipeline, 7 is a communicating pipe, 701 is a pipe body, 702 is a through hole, 703 is a porous filter material, 8 is a steam generator, 9 is a first gas-liquid separator, 10 is a pressure regulating valve, 11 is a second gas-liquid separator, 12 is a wastewater processor, 13 is a vacuum pump, 14 is a waste gas processor, 15 is a filter, 1501 is a filter cylinder, 1502 is a filter cover, 1503 is a support sleeve, 1504 is a positioning ring, 1505 is a filter core, 1506 is a lower sealing gasket, 1507 is an upper sealing gasket, 1508 is a circular ring, 1509 is an upper ring, 1510 is a lower ring, 16 is a flow meter, 17 is a pressure meter, 18 is a support rod, and 19 is a bottom plate.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the invention. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of the various regions, layers and their relative sizes, positional relationships are shown in the drawings as examples only, and in practice deviations due to manufacturing tolerances or technical limitations are possible, and a person skilled in the art may additionally design regions/layers with different shapes, sizes, relative positions, according to the actual needs.
Referring to fig. 1, the steam type soil pollutant enhanced vapor extraction repair device of the present invention includes a steam generator 8, a first gas-liquid separator 9, a second gas-liquid separator 11, a pressure regulating valve 10, a vacuum pump 13, a waste gas processor 14, a filter 15, a soil body 1, a first pipeline 5 and a second pipeline 6; the top of soil body 1 is provided with barrier layer 2, the inside of soil body 1 is provided with into gas well 3 and gas extraction well 4, be provided with communicating pipe 7 on the gas well 3, steam generator 8's export is linked together with the gas well 3 through first vapour and liquid separator 9, air-vent valve 10 and first pipeline 5, and the export of gas extraction well 4 is linked together through the entry of second pipeline 6 with second vapour and liquid separator 11, and the liquid outlet of second vapour and liquid separator 11 is linked together with waste water treater 12, and the gas outlet of second vapour and liquid separator 11 is linked together through vacuum pump 13 and waste gas treater 14 and filter 15.
Referring to fig. 2, the communication pipe 7 includes a pipe body 701 and a plurality of through holes 702 provided in the pipe body 701, wherein the pipe body 701 is provided on the surface of the gas inlet well 3; the surface of the pipe body 701 is wrapped with a porous filter material 703.
In addition, a flowmeter 16 and a pressure gauge 17 are respectively arranged on the surface of the first pipeline 5, and the flowmeter 16 is positioned between the pressure gauge 17 and the pressure regulating valve 10.
Referring to fig. 3 and 4, the filter 15 includes a filter cartridge 1501, a filter cover 1502, a support sleeve 1503, a positioning ring 1504 and a filter element 1505, the filter cartridge 1501 is communicated with the exhaust gas processor 14, a lower gasket 1506 is fixedly connected to the bottom of the filter cartridge 1501, the bottom of the lower gasket 1506 is movably connected to the top of the filter cover 1502, the support sleeve 1503 is fixedly connected to the top of the filter cover 1502, the outer wall of the support sleeve 1503 is movably connected to the inner wall of the filter cartridge 1501, the positioning ring 1504 is fixedly connected to the inner wall of the filter cartridge 1501, the bottom of the positioning ring 1504 is fixedly connected to an upper gasket 1507, the bottom of the upper gasket 1507 is movably connected to a ring 1508, the inner wall of the ring 1508 is fixedly connected to the outer surface of the filter element 1505, the bottom of the ring 1508 is movably connected to the top of the support sleeve 1503, the surface of the filter cartridge 1501 is fixedly sleeved with an upper ring 1509, the surface of the filter cover 1502 is fixedly sleeved with the lower ring 1501, the upper ring 1509 is movably connected with the lower ring 1501, wherein the upper ring 1509 is movably connected with the lower ring 1501 through a bolt assembly; the central axes of the support sleeve 1503, the positioning ring 1504, the filter element 1505 and the circular ring 1508 are all coincident with the central axis of the filter cartridge 1501; a support bar 18 is fixedly connected to the surface of the filter cartridge 1501, and a bottom plate 19 is fixedly connected to the bottom of the support bar 18.
It should be noted that the barrier layer 2 is used for heat insulation, and effectively prevents heat from being dissipated from the soil body 1 to the surrounding environment, and the distance between the adjacent gas inlet wells 3 and the distance between the gas inlet well 3 and the gas outlet well 4 are adjusted according to different characteristics of pollutants in the soil body 1.
The communicating pipe 7 enables steam to be better injected into the soil body 1 between the two adjacent gas inlet wells 3, so that the steam is fully contacted with the soil body 1, and the gasification and volatilization effects of volatile organic compounds in the soil body 1 are improved.
Through the through hole 702 on the communicating pipe 7, steam can be better injected into the soil body 1 between the two adjacent gas inlet wells 3, the steam is fully contacted with the soil body 1, the gasification and volatilization effects of volatile organic compounds in the soil body 1 are improved, and the porous filter material 70 is wrapped on the surface of the pipe body 701 and used for preventing the soil body 1 from blocking the through hole 702.
The filter 1505 is an activated carbon filter 1505 that is effective in filtering impurities from the gas stream.
The filter cover 1502 is fixed to drive the support sleeve 1503 to abut against the ring 1508, so that the ring 1508 is tightly attached to the upper seal 1507 at the bottom of the positioning ring 1504 to seal the position of the filter cartridge 1505 and prevent air leakage between the ring 1508 and the positioning ring 1504.
The working principle and the using process of the invention are as follows:
when the gas filter is used, steam generated by the steam generator 8 is sent into the gas inlet well 3 through the first pipeline 5, is injected into the soil body 1 through the gas inlet well 3, the vacuum pump 13 is operated to generate negative pressure, organic matters in the soil body 1 are desorbed by air and entrained, the steam flows back into the second gas-liquid separator 11 through the extraction well 4 to be subjected to gas-liquid separation, liquid flows into the waste gas processor 12 to be treated, waste gas enters the waste gas processor 14 to be treated, the waste gas enters the filter cartridge 1501 after passing through the waste gas processor 14, the gas flow is subjected to filtration treatment again through the filter element 1505 in the filter cartridge 1501, the filtered gas flow is discharged from the top of the filter cartridge 1501, the waste gas treated by the waste gas processor 14 is subjected to filtration treatment through the filter element 1505 in the filter cartridge 1501, impurities in the gas flow are greatly reduced, the pollution to the atmosphere is effectively prevented, the filter element 1505 needs to be replaced after being used for a period of time, the bolt assembly of the fixed filter cover 1502 is removed during replacement, removal of the filter cap 1502 from the bottom of the filter cartridge 1501 allows the filter element 1505 to be removed, the ring 1508 on the new filter element 1505 is placed on the support sleeve 1503, the support sleeve 1503 is inserted into the filter cartridge 1501, the filter cover 1502 is attached to the lower seal 1506, the filter cover 1502 is fixed by a bolt assembly, the support sleeve 1503 abuts against the ring 1508, the ring 1508 is tightly attached to the upper seal 1507 at the bottom of the positioning ring 1504, the position of the filter element 1505 can be sealed and fixed, the first pipeline 5 is provided with a first gas-liquid separator 9, a pressure regulating valve 10, a flow meter 16 and a pressure gauge 17, the first gas-liquid separator 9 is used for separating gas and water in steam to reduce the water content in the steam, the pressure regulating valve 10 is used for regulating the pressure of the steam in the first pipeline 5, the flow meter 16 is used for displaying the flow rate of the steam in the first pipeline 5, and the pressure gauge 17 is used for displaying the pressure of the steam in the first pipeline 5.
In summary, the present invention solves the problem in the prior art that, when the conventional steam-type soil pollutant enhanced vapor extraction repair device is used, a certain amount of impurities are still contained in the air flow processed by the exhaust gas processor 14, and the air flow with the impurities is discharged into the atmosphere for a long time, which still has the hidden danger of atmospheric pollution by arranging the filter cartridge 1501, the support sleeve 1503, the positioning ring 1504, and the filter element 1505.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A steam type soil pollutant enhanced vapor extraction repair device is characterized by comprising a steam generator (8), a first gas-liquid separator (9), a second gas-liquid separator (11), a pressure regulating valve (10), a vacuum pump (13), a waste gas processor (14), a filter (15), a soil body (1), a first pipeline (5) and a second pipeline (6);
the top of soil body (1) is provided with barrier layer (2), the inside of soil body (1) is provided with into gas well (3) and air extraction well (4), be provided with communicating pipe (7) on into gas well (3), the export of steam generator (8) is linked together with into gas well (3) through first vapour and liquid separator (9), air-vent valve (10) and first pipeline (5), the export of air extraction well (4) is linked together through the entry of second pipeline (6) and second vapour and liquid separator (11), the liquid outlet and the waste water treater (12) of second vapour and liquid separator (11) are linked together, the gas outlet of second vapour and liquid separator (11) is linked together through vacuum pump (13) and exhaust gas treater (14) and filter (15).
2. The enhanced vapor extraction remediation device for soil contamination with steam according to claim 1, wherein the communicating pipe (7) comprises a pipe body (701) and a plurality of through holes (702) arranged on the pipe body (701), and the pipe body (701) is arranged on the surface of the gas inlet well (3).
3. The steam type soil pollutant reinforcing vapor extraction restoration device as claimed in claim 1, wherein the surface of the pipe body (701) is wrapped with a porous filter material (703).
4. The steam type soil pollutant reinforcing vapor phase extraction repairing device according to claim 1, characterized in that the surface of the first pipeline (5) is respectively provided with a flow meter (16) and a pressure gauge (17), and the flow meter (16) is positioned between the pressure gauge (17) and the pressure regulating valve (10).
5. The steam-type soil pollutant enhanced gas phase extraction remediation device of claim 1, wherein the filter (15) comprises a filter cartridge (1501), a filter cover (1502), a support sleeve (1503), a positioning ring (1504) and a filter element (1505), the filter cartridge (1501) is communicated with the exhaust gas processor (14), the bottom of the filter cartridge (1501) is fixedly connected with a lower sealing gasket (1506), the bottom of the lower sealing gasket (1506) is movably connected with the top of the filter cover (1502), the support sleeve (1503) is fixedly connected with the top of the filter cover (1502), the outer wall of the support sleeve (1503) is movably connected with the inner wall of the filter cartridge (1501), the positioning ring (1504) is fixedly connected with the inner wall of the filter cartridge (1501), the bottom of the positioning ring (1504) is fixedly connected with an upper sealing gasket (1507), and the bottom of the upper sealing gasket (1507) is movably connected with a circular ring (1508), the inner wall of the circular ring (1508) is fixedly connected with the outer surface of the filter element (1505), the bottom of the circular ring (1508) is movably connected with the top of the support sleeve (1503), the surface of the filter cartridge (1501) is fixedly sleeved with an upper ring (1509), the surface of the filter cover (1502) is fixedly sleeved with a lower ring (1501), and the upper ring (1509) is movably connected with the lower ring (1501).
6. The steam-type soil pollutant enhanced vapor extraction remediation device of claim 5, wherein the upper ring (1509) and the lower ring (1501) are movably connected through a bolt assembly.
7. The enhanced vapor phase extraction remediation device of soil contaminants in the form of steam according to claim 5, wherein the central axes of the support sleeve (1503), the positioning ring (1504), the filter element (1505) and the ring (1508) are coincident with the central axis of the filter cartridge (1501).
8. The steam-type soil pollutant enhanced vapor extraction remediation device of claim 5, wherein a support bar (18) is fixedly connected to the surface of the filter cartridge (1501).
9. The steam type soil pollutant reinforcing vapor extraction repairing device of claim 8, characterized in that the bottom of the supporting rod (18) is fixedly connected with a bottom plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210434342.9A CN115007629A (en) | 2022-04-24 | 2022-04-24 | Steam type soil pollutant reinforcing vapor extraction repairing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210434342.9A CN115007629A (en) | 2022-04-24 | 2022-04-24 | Steam type soil pollutant reinforcing vapor extraction repairing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115007629A true CN115007629A (en) | 2022-09-06 |
Family
ID=83066706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210434342.9A Pending CN115007629A (en) | 2022-04-24 | 2022-04-24 | Steam type soil pollutant reinforcing vapor extraction repairing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115007629A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117244338A (en) * | 2023-11-17 | 2023-12-19 | 陕西中欣福源医疗科技发展有限公司 | Front gas filtering device for oxygenerator |
-
2022
- 2022-04-24 CN CN202210434342.9A patent/CN115007629A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117244338A (en) * | 2023-11-17 | 2023-12-19 | 陕西中欣福源医疗科技发展有限公司 | Front gas filtering device for oxygenerator |
| CN117244338B (en) * | 2023-11-17 | 2024-01-30 | 陕西中欣福源医疗科技发展有限公司 | Front gas filtering device for oxygenerator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204737749U (en) | Volatile organic compounds pollutes normal position prosthetic devices of groundwater | |
| CN101113036A (en) | Kitchen residual sewage oil separator | |
| CN115007629A (en) | Steam type soil pollutant reinforcing vapor extraction repairing device | |
| CN105149306B (en) | The cleaning method and its equipment of a kind of datonation-inhibition oil tank | |
| CN217700635U (en) | Steam type soil pollutant reinforcing vapor extraction repairing device | |
| CN219274044U (en) | Vapor phase extraction repairing device for steam heating reinforced soil | |
| CN213942557U (en) | Carbon dioxide trapping and recovering device | |
| CN206325345U (en) | A kind of solar energy emission-control equipment of energy-saving and emission-reduction | |
| CN107235595A (en) | A kind of field Prinking water filter | |
| CN209363277U (en) | A kind of organic polluted soil reparation heap body hypothermia thermal desorption device | |
| US8388746B2 (en) | Filtration system for a compressor station | |
| CN105217922A (en) | A kind of mud quick dewatering drying device | |
| CN213375782U (en) | Waste gas treatment device | |
| CN212127820U (en) | Raw water filtering device for boiler | |
| CN212273672U (en) | Sewage discharge device for natural gas collecting tank | |
| CN208426830U (en) | Petroleum vapor recovery cleaning device | |
| KR20060015663A (en) | The multi-functional and unified 'in-situ system of polluted air' | |
| CN203002192U (en) | Waste gas decomposer of hydrogen peroxide plasma sterilizer | |
| CN218879672U (en) | Process condensed water treatment system of refining device | |
| CN205235670U (en) | Oil gas clarifier | |
| CN216155654U (en) | Novel multiphase extraction device for in-situ remediation of soil and underground water in polluted site | |
| CN103007708A (en) | Exhaust gas decomposer of hydrogen peroxide plasma sterilizer | |
| CN216191220U (en) | Activated carbon filter | |
| CN212998691U (en) | Wastewater recovery device for pure water equipment | |
| CN214120829U (en) | Steam condensate water recycling system for green plum wine production process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |