CN114700360A - Side slope soil ecological remediation engineering three-dimensional scene construction system - Google Patents
Side slope soil ecological remediation engineering three-dimensional scene construction system Download PDFInfo
- Publication number
- CN114700360A CN114700360A CN202210319530.7A CN202210319530A CN114700360A CN 114700360 A CN114700360 A CN 114700360A CN 202210319530 A CN202210319530 A CN 202210319530A CN 114700360 A CN114700360 A CN 114700360A
- Authority
- CN
- China
- Prior art keywords
- gas
- condenser
- circulation
- soil
- heating
- 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
- B09C1/062—Reclamation of contaminated soil thermally by using electrode or resistance heating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Abstract
The invention provides a three-dimensional scene construction system for slope soil ecological restoration engineering, which relates to the technical field of ecological soil restoration and comprises a heating device and a main circulation pipe, wherein one end of the main circulation pipe is connected with a plurality of auxiliary circulation pipes, the surfaces of the auxiliary circulation pipes are connected with the heating device, the other end of the main circulation pipe is sequentially connected with a pumping device, a condenser, a gas-liquid separator, an active carbon adsorption device and an induced draft fan, a plurality of heating devices are inserted into soil for heating, organic matters containing nitrobenzene and naphthalene in the soil are vaporized and then enter the condenser for condensation through the pumping device, gas is separated, adsorbed and purified through the gas-liquid separator and the active carbon adsorption device in sequence, and is discharged through the induced draft fan, so that the organic matters containing nitrobenzene and naphthalene in the soil are removed, and the aim of restoring the soil is fulfilled, reasonable discharge after the waste water and the waste gas are treated is realized, the environment is protected, and the soil ecology can be conveniently restored.
Description
Technical Field
The invention relates to the technical field of ecological soil restoration, in particular to a three-dimensional scene construction system for slope soil ecological restoration engineering.
Background
According to Chinese patent number 'CN 109304364A', a soil remediation gas injection system and a soil remediation system are disclosed, and the technical field of soil remediation equipment is related. The soil remediation gas injection system comprises a gas injection fan, a first oxygen output device, a second oxygen output device, a pipeline switching device and a plurality of gas injection wells. The gas injection fan is provided with a first gas inlet, a second gas inlet and a third gas inlet, a first oxygen output device is connected with the first gas inlet, a second oxygen output device is connected with the second gas inlet, and the third gas inlet is communicated with the outside. The first oxygen output device is used for outputting oxygen with a first concentration, the second oxygen output device is used for outputting ozone, and the concentration of the oxygen in the outside air is a second concentration. The pipeline switching device is used for selectively opening the first air inlet, the second air inlet or the third air inlet. A plurality of gas injection wells are used to insert into the soil. The soil remediation system comprises the soil remediation gas injection system. The soil remediation gas injection system and the soil remediation system provided by the invention can rapidly switch different oxidation environments.
The above patent documents deal with internal microorganisms by supplying oxygen to the inside of soil, but organic substances such as nitrobenzene and naphthalene in soil cannot be oxidized or decomposed by a single injection of oxygen, and cannot be removed, which is not advantageous for practical use.
Disclosure of Invention
Solves the technical problem
Aiming at the defects of the prior art, the invention provides a three-dimensional scene construction system for slope soil ecological restoration engineering, which solves the problem that nitrobenzene and naphthalene organic matters in soil are too high to restore.
Technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: a three-dimensional scene construction system for slope soil ecological restoration engineering comprises heating equipment and a circulation main pipe, wherein one end of the circulation main pipe is connected with a plurality of circulation auxiliary pipes, the surfaces of the circulation auxiliary pipes are connected with the heating equipment, and the other end of the circulation main pipe is sequentially connected with pumping-out equipment, a condenser, a gas-liquid separator, an active carbon adsorption device and an induced draft fan;
the heating equipment is inserted into the soil to heat and vaporize the organic matters;
the extraction equipment is used for extracting the vaporized gas and introducing the gas into a condenser;
a condenser for cooling the vaporized organic gas;
a gas-liquid separator that performs gas-liquid separation on the cooled gas;
the activated carbon adsorption device is used for carrying out adsorption treatment on the separated gas;
and the induced draft fan is used for discharging the gas subjected to adsorption treatment.
Preferably, the condenser all is connected with vapour and liquid separator one side and is equipped with the drain pipe, the drain pipe surface all is equipped with the drain valve, the condenser side is equipped with the condensate tank, drain pipe tip and condensate tank surface connection, the condenser side is kept away from one side connection of drain pipe and is equipped with the inlet tube, the inlet tube surface is equipped with the water intaking valve.
Preferably, the circulation is responsible for and is close to the one end side connection of heating equipment and is equipped with the air supplement pipe, the air supplement pipe surface is equipped with the gulp valve, take out to be located between heating equipment and the condenser from equipment, take out to be responsible for between equipment and the condenser and locate to be equipped with the air on-off valve.
Preferably, the circulation between vapour and liquid separator and the active carbon adsorption device is responsible for the surface and is equipped with the pipeline spark arrester, the circulation is responsible for the one end of keeping away from heating equipment and is connected with the draught fan side, the draught fan opposite side is connected and is equipped with the air duct.
Preferably, the heating equipment corresponds to the circulation auxiliary pipes one by one, and the heating equipment, the pumping equipment, the condenser, the gas-liquid separator, the activated carbon adsorption device and the draught fan are sequentially connected in a circulation main pipe in a penetrating manner.
Preferably, the heating mode of the heating equipment is electric heating, and the adjacent heating equipment are controlled independently.
Advantageous effects
The invention provides a three-dimensional scene construction system for slope soil ecological restoration engineering. The method has the following beneficial effects:
according to the invention, a plurality of heating devices are inserted into soil to heat the soil, organic matters containing nitrobenzene and naphthalene in the soil are vaporized and then enter a condenser through a pumping device for condensation, gas is separated, adsorbed and purified through a gas-liquid separator and an active carbon adsorption device in sequence, and the organic matters containing nitrobenzene and naphthalene in the soil are removed through a draught fan, so that the purpose of soil remediation is achieved, reasonable discharge of waste water and waste gas after treatment is realized, the method is green and environment-friendly, and the soil ecology can be conveniently remedied.
Drawings
FIG. 1 is a system connection diagram of the present invention;
FIG. 2 is a diagram of a method of use of the system of the present invention.
Wherein: 1. a heating device; 2. a condenser; 3. a condensed water tank; 4. a gas-liquid separator; 5. an activated carbon adsorption unit; 6. an induced draft fan; 7. a pipe flame arrestor; 8. a drain valve; 9. a water inlet valve; 10. an air opening and closing valve; 11. an air supply valve; 12. a main flow pipe; 13. air supplying pipe; 14. a water inlet pipe; 15. a drain pipe; 16. an air duct; 17. a flow-through secondary pipe; 18. and (5) pumping out the equipment.
Detailed Description
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, and not all of the embodiments. 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.
The first embodiment is as follows:
as shown in fig. 1-2, a three-dimensional scene construction system for slope soil ecological restoration engineering comprises a heating device 1 and a circulation main pipe 12, wherein one end of the circulation main pipe 12 is connected with a plurality of circulation auxiliary pipes 17, the surfaces of the circulation auxiliary pipes 17 are connected with the heating device 1, and the other end of the circulation main pipe 12 is sequentially connected with a pumping-out device 18, a condenser 2, a gas-liquid separator 4, an activated carbon adsorption device 5 and a draught fan 6;
the heating device 1 is used for inserting the heating device 1 into soil to heat and vaporize organic matters;
the extraction device 18, the extraction device 18 is used for extracting the vaporized gas to enter the condenser 2;
the condenser 2 is used for cooling the vaporized organic gas;
a gas-liquid separator 4, wherein the gas-liquid separator 4 performs gas-liquid separation on the cooled gas;
the activated carbon adsorption device 5 is used for carrying out adsorption treatment on the separated gas by the activated carbon adsorption device 5;
and the induced draft fan 6 is used for discharging the gas after the adsorption treatment.
The condenser 2 is connected with one side of the gas-liquid separator 4 and is provided with a drain pipe 15, the surface of the drain pipe 15 is provided with a drain valve 8, the side of the condenser 2 is provided with a condensate water tank 3, the end part of the drain pipe 15 is connected with the surface of the condensate water tank 3, one side of the condenser 2 far away from the drain pipe 15 is connected with a water inlet pipe 14, the surface of the water inlet pipe 14 is provided with a water inlet valve 9, the heating modes of the heating devices 1 are electric heating, the adjacent heating devices 1 are mutually independently controlled, the heating devices 1 are composed of a sleeve pipe and an electric heating rod, the electric heating rod is inserted into soil and then is electrified to heat the soil, the heating devices 1 are used together according to the area of the soil to be repaired, the heating devices 1 are used for covering and heating different positions of the soil, the large pieces of soil can be conveniently and integrally repaired in a centralized manner, and the method is used for the soil with the internal humidity of the soil within 20-50 percent, soil with humidity exceeding the humidity is easy to have water loss when being heated for a long time, therefore, the humidity of the soil is firstly tested before the soil is heated and repaired, the test result can be carried out the soil electric heating and repairing treatment within the limited range, the removal rates of the nitrobenzene and the naphthalene after being heated for 120min are 95.60 percent and 97.83 percent respectively, the removal rates of the nitrobenzene and the naphthalene can reach more than 99.9 percent under the heating temperature of 365 ℃, the heating time and the heating temperature are maximum efficiency threshold values at the moment, the removal rates of the nitrobenzene and the naphthalene can not obviously change along with the increase of time and the increase of temperature, therefore, the optimal heating temperature of the heating equipment 1 is 365 ℃ when being heated and used, the heating equipment 1 is adopted to be inserted into the soil for heating, the organic matter containing the nitrobenzene and the naphthalene in the soil is vaporized and then enters the condenser 2 for condensation through the extraction equipment 18, the gas is separated, adsorbed and purified by a gas-liquid separator 4 and an active carbon adsorption device 5 in sequence, and is discharged by a draught fan 6, so that organic matters containing nitrobenzene and naphthalene in the soil are removed, the aim of soil remediation is achieved, reasonable discharge after wastewater and waste gas treatment is realized, the environment is protected, the soil ecology is convenient to restore, an air supplementing pipe 13 is connected to one end side surface of a main circulation pipe 12 close to a heating device 1, an air supplementing valve 11 is arranged on the surface of the air supplementing pipe 13, a pumping device 18 is positioned between the heating device 1 and a condenser 2, an air on-off valve 10 is arranged at the position of the main circulation pipe 12 between the pumping device 18 and the condenser 2, the gas pumped from the pumping device 18 is cooled by opening the air on-off valve 10, and the vaporized gas is pre-cooled by the air entering the air in the air supplementing pipe 13, when the air supplementing pipe 13 enters the circulation main pipe 12, one-way circulation is adopted, so that gas inside the circulation main pipe 12 cannot enter the air supplementing pipe 13 for reverse circulation, and gas leakage is prevented, cooling water is introduced into the condenser 2 through a condensation water tank 3 on the side surface of the condenser 2, the gas inside the condenser 2 is subjected to condensation treatment, a pipeline fire arrester 7 is arranged on the surface of the circulation main pipe 12 between a gas-liquid separator 4 and an active carbon adsorption device 5, one end, far away from a heating device 1, of the circulation main pipe 12 is connected with the side surface of an induced draft fan 6, the other side of the induced draft fan 6 is connected with an air guide pipe 16, water condensed inside the condenser 2 enters the condensation water tank 3 through a water discharge pipe 15 for collection, cooled gas enters the gas-liquid separator 4 for gas-liquid separation, the separated gas enters the induced draft fan 6 through the circulation main pipe 12 and is discharged through the air guide pipe 16, and the separated liquid enters the condensation water tank 3 through a water discharge pipe 15 on the side surface of the gas-liquid separator 4 for collection, the liquid separated by the condenser 2 and the gas-liquid separator 4 is collected into the condensate water tank 3, and because the system needs negative pressure to work, the negative pressure is realized in the condensate water tank 3 through a pressure guide pipe, so that the liquid flows automatically. The volume of the condensed water tank 3 can meet the requirement of collecting all condensed water in one experiment. The comdenstion water after the collection tests, handle, heating equipment 1 and circulation auxiliary 17 one-to-one, heating equipment 1, take out from equipment 18, condenser 2, vapour and liquid separator 4, active carbon adsorption device 5 and draught fan 6 loop through the circulation and are responsible for 12 through connections in proper order, draught fan 6 adopts corrosion-resistant high-pressure seal centrifugation draught fan 6, can provide the required flow that satisfies the extraction under the draught fan is the negative pressure, draught fan 6 adopts frequency conversion control, adjust the negative pressure value of tail gas processing system entry in real time, in order to guarantee to extract the effect. The outlet of the draught fan 6 is directly connected with an exhaust chimney for organized discharge.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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 a reference structure" does not exclude the presence of other similar 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 (6)
1. The utility model provides a side slope soil ecological remediation engineering three-dimensional scene construction system, includes that firing equipment (1) and circulation are responsible for (12), its characterized in that: one end of the circulation main pipe (12) is connected with a plurality of circulation auxiliary pipes (17), the surface of each circulation auxiliary pipe (17) is connected with the heating equipment (1), and the other end of the circulation main pipe (12) is sequentially connected with a pumping-out device (18), a condenser (2), a gas-liquid separator (4), an activated carbon adsorption device (5) and an induced draft fan (6);
the heating device (1) is inserted into soil to heat and vaporize organic matters;
-a pump-off device (18), said pump-off device (18) being adapted to pump off the vaporised gas into the condenser (2);
the condenser (2), the said condenser (2) is used for cooling the organic matter gas after vaporizing;
a gas-liquid separator (4), wherein the gas-liquid separator (4) performs gas-liquid separation on the cooled gas;
the activated carbon adsorption device (5), the said activated carbon adsorption device (5) is used for carrying on the adsorption treatment to the gas after separating;
and the induced draft fan (6), wherein the induced draft fan (6) discharges the gas after adsorption treatment.
2. The slope soil ecological restoration engineering three-dimensional scene construction system according to claim 1, characterized in that: condenser (2) all are connected with vapour and liquid separator (4) one side and are equipped with drain pipe (15), drain pipe (15) surface all is equipped with drain valve (8), condenser (2) side is equipped with condensate tank (3), drain pipe (15) tip and condensate tank (3) surface connection, condenser (2) side is kept away from one side connection of drain pipe (15) and is equipped with inlet tube (14), inlet tube (14) surface is equipped with water intaking valve (9).
3. The slope soil ecological restoration engineering three-dimensional scene construction system according to claim 1, characterized in that: circulation is responsible for (12) and is close to one end side connection of firing equipment (1) and is equipped with air supplement pipe (13), air supplement pipe (13) surface is equipped with aeration valve (11), take out to be located between firing equipment (1) and condenser (2) from equipment (18), take out to be responsible for (12) department and be equipped with air switch valve (10) from circulation between equipment (18) and condenser (2).
4. The slope soil ecological restoration engineering three-dimensional scene construction system according to claim 1, characterized in that: circulation between vapour and liquid separator (4) and activated carbon adsorption device (5) is responsible for (12) surface and is equipped with pipeline spark arrester (7), the circulation is responsible for (12) and is kept away from the one end of firing equipment (1) and is connected with draught fan (6) side, draught fan (6) opposite side is connected and is equipped with air duct (16).
5. The slope soil ecological restoration engineering three-dimensional scene construction system according to claim 1, characterized in that: heating equipment (1) and circulation auxiliary pipe (17) one-to-one, heating equipment (1), take out from equipment (18), condenser (2), vapour and liquid separator (4), active carbon adsorption device (5) and draught fan (6) loop through the circulation and are responsible for (12) through connection.
6. The slope soil ecological restoration engineering three-dimensional scene construction system according to claim 1, characterized in that: the heating mode of the heating equipment (1) is electric heating, and the adjacent heating equipment (1) are mutually independently controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210319530.7A CN114700360A (en) | 2022-03-29 | 2022-03-29 | Side slope soil ecological remediation engineering three-dimensional scene construction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210319530.7A CN114700360A (en) | 2022-03-29 | 2022-03-29 | Side slope soil ecological remediation engineering three-dimensional scene construction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114700360A true CN114700360A (en) | 2022-07-05 |
Family
ID=82171380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210319530.7A Pending CN114700360A (en) | 2022-03-29 | 2022-03-29 | Side slope soil ecological remediation engineering three-dimensional scene construction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114700360A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07328386A (en) * | 1994-06-06 | 1995-12-19 | Japan Organo Co Ltd | Purifying treatment equipment of organochlorine compound contaminated soil |
| JPH11169835A (en) * | 1997-12-09 | 1999-06-29 | Sumitomo Metal Mining Co Ltd | Method for extracting volatile soil pollutant and apparatus therefor |
| EP2674230A1 (en) * | 2012-06-12 | 2013-12-18 | GRS Valtech | Method and installation for treating a soil containing at least one pollutant to be extracted |
| CN107052039A (en) * | 2017-05-12 | 2017-08-18 | 清华大学 | The electrical heating of contaminated site original position thermal desorption extracts/divulged information integrated apparatus |
| CN108311535A (en) * | 2017-12-18 | 2018-07-24 | 北京市环境保护科学研究院 | The system and administering method of electrical heating renovation of organic pollution soil in situ |
| CN109013685A (en) * | 2018-07-06 | 2018-12-18 | 北京石油化工学院 | A kind of hydrocarbon contamination soil repair system based on thermal desorption in situ |
| CN110252792A (en) * | 2019-05-08 | 2019-09-20 | 苏州维诗环境技术工程有限公司 | A kind of combustion gas thermal desorption device in situ for soil remediation processing |
| CN213613299U (en) * | 2020-07-07 | 2021-07-06 | 山东冽泉环保工程咨询有限公司 | Steam heating reinforced soil vapor extraction repairing device |
-
2022
- 2022-03-29 CN CN202210319530.7A patent/CN114700360A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07328386A (en) * | 1994-06-06 | 1995-12-19 | Japan Organo Co Ltd | Purifying treatment equipment of organochlorine compound contaminated soil |
| JPH11169835A (en) * | 1997-12-09 | 1999-06-29 | Sumitomo Metal Mining Co Ltd | Method for extracting volatile soil pollutant and apparatus therefor |
| EP2674230A1 (en) * | 2012-06-12 | 2013-12-18 | GRS Valtech | Method and installation for treating a soil containing at least one pollutant to be extracted |
| CN107052039A (en) * | 2017-05-12 | 2017-08-18 | 清华大学 | The electrical heating of contaminated site original position thermal desorption extracts/divulged information integrated apparatus |
| CN108311535A (en) * | 2017-12-18 | 2018-07-24 | 北京市环境保护科学研究院 | The system and administering method of electrical heating renovation of organic pollution soil in situ |
| CN109013685A (en) * | 2018-07-06 | 2018-12-18 | 北京石油化工学院 | A kind of hydrocarbon contamination soil repair system based on thermal desorption in situ |
| CN110252792A (en) * | 2019-05-08 | 2019-09-20 | 苏州维诗环境技术工程有限公司 | A kind of combustion gas thermal desorption device in situ for soil remediation processing |
| CN213613299U (en) * | 2020-07-07 | 2021-07-06 | 山东冽泉环保工程咨询有限公司 | Steam heating reinforced soil vapor extraction repairing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201991580U (en) | Flue gas waste heat power generating system comprising ammonia steam turbine | |
| CN110665952A (en) | Energy-saving type organic contaminated soil in-situ thermal desorption remediation system and method | |
| CN105436200A (en) | Steam heat assisted extracting method for volatile/semi-volatile organic polluted soil in soil | |
| CN102120132A (en) | Purification treatment device for incineration flue gas | |
| CN115591921A (en) | High-efficiency energy-saving in-situ gas thermal desorption system | |
| CN209848606U (en) | High concentration organic waste gas recovery processing system | |
| CN107890734B (en) | Waste gas takes off white purification device | |
| CN208320398U (en) | A kind of waste gas purification environmental protection equipment | |
| CN114700360A (en) | Side slope soil ecological remediation engineering three-dimensional scene construction system | |
| CN108383187A (en) | A kind of station boiler citric acid wastewater enrichment facility and application method | |
| CN105157048A (en) | Boiler waste gas utilization device | |
| CN215388529U (en) | Collecting and processing system for waste gas generated in hazardous waste treatment process | |
| CN217041955U (en) | Oil gas recovery device for tank cleaning operation of storage tank | |
| CN201988321U (en) | Incinerating smoke cleaning processing device | |
| CN103614509A (en) | Carbon steel converter dry cloth bag dust removal process and device capable of recovering waste heat in whole process | |
| CN211437457U (en) | Energy-saving organic contaminated soil in-situ thermal desorption repair system | |
| CN205119073U (en) | Spontaneous combustion formula experimental animals corpse innocent treatment device | |
| CN203291680U (en) | Sludge carbonization tail gas purification device | |
| CN105399170A (en) | Method and device for synergistically purifying sewage and polluted air | |
| CN109867424A (en) | A kind of odorless type septic tank and biogas auxiliary combustion utilize system | |
| CN206814805U (en) | A kind of process system to ultra-clean dedusting of flue gas of converter | |
| CN205170430U (en) | Purify waste water in coordination and contaminated air's device | |
| CN110841419A (en) | Organic waste gas recovery treatment equipment and recovery treatment method | |
| CN211675362U (en) | Equipment for applying naked-fire moxibustion | |
| CN100577262C (en) | Method for recovering volatile material with adsorption bed |
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 |