CN213728521U - Volatile organic contaminated soil treatment greenhouse system - Google Patents
Volatile organic contaminated soil treatment greenhouse system Download PDFInfo
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- CN213728521U CN213728521U CN202022003640.1U CN202022003640U CN213728521U CN 213728521 U CN213728521 U CN 213728521U CN 202022003640 U CN202022003640 U CN 202022003640U CN 213728521 U CN213728521 U CN 213728521U
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Abstract
The utility model relates to a volatile organic pollution soil handles big-arch shelter system, including be used for keeping in the big-arch shelter that turns over the organic pollution soil after throwing, be equipped with the negative pressure unit of bleeding that is arranged in taking out the gas in the big-arch shelter, be used for bleeding the gas that the unit was taken out with the negative pressure and handle the gas handling unit that discharges with the big-arch shelter cooperation, negative pressure unit of bleeding and gas handling unit and controller cooperation setting. The utility model has the advantages that a closed place for processing the organic polluted soil is provided, the closed place is not influenced by the external natural environment, and the continuous operation can be carried out; the micro negative pressure operation ensures the health of the operating personnel; the tail gas after the adsorption treatment of the organic pollutants is discharged up to the standard, and secondary pollution is not caused.
Description
Technical Field
The utility model relates to the treatment of solid waste; the technical field of polluted soil regeneration, in particular to a volatile organic polluted soil treatment greenhouse system.
Background
The remediation of organic contaminated sites is one of the main targets of the current remediation, and a large number of organic contaminated sites are in urgent need of remediation. In the process of repairing the polluted site, the control difficulty of secondary environmental pollution is high due to the characteristics and complexity of pollutants, the conditions of influencing the surrounding environment and residents are easy to occur, and great resistance is brought to the repair and treatment of the polluted site and the healthy development of the industry.
Particularly, in the process of treating Volatile Organic Compounds (VOCs) and semi-volatile organic compounds (SVOCs) contaminated soil, the storage, pretreatment and treatment processes of the soil are accompanied with the volatilization of the volatile organic compounds, so that after the soil enters an operation space, the volatile organic compounds and the semi-volatile organic compounds directly affect the health of operators, and if the volatile organic compounds and the semi-volatile organic compounds are not strictly controlled and enter the environment, secondary pollution is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem that exists among the prior art, provide a volatile organic pollution soil treatment big-arch shelter system of optimizing structure, effectively avoided in organic pollution place restoration process, the human health risk that organic pollution soil storage, preliminary treatment, processing probably caused and environment secondary pollution's risk.
The utility model discloses the technical scheme who adopts is, a volatile organic pollution soil handles big-arch shelter system, the system includes:
a greenhouse for temporarily storing the turned and thrown organic contaminated soil;
the negative pressure air extraction unit is matched with the greenhouse and is used for extracting gas in the greenhouse;
the gas processing unit is used for processing and discharging the gas pumped by the negative pressure pumping unit;
the negative pressure air exhaust unit and the gas processing unit are arranged in a matching way with the controller.
Preferably, the greenhouse comprises a framework, and a film body is coated outside the framework; and the bottom of the greenhouse is provided with an impermeable layer.
Preferably, a heating mechanism is arranged in the greenhouse and connected to the controller.
Preferably, the negative pressure air extraction unit comprises a grid type pipeline arranged inside the greenhouse, the grid type pipeline is provided with an air inlet and an air outlet, the air inlet is communicated with the inner space of the greenhouse, and the air outlet is connected to the exhaust fan; the exhaust fan is matched with the controller.
Preferably, a one-way air valve is arranged at the air outlet.
Preferably, the distance between adjacent air inlets is 4-10 m.
Preferably, the negative pressure air exhaust unit further comprises a pressure sensor arranged inside the greenhouse, and the pressure sensor is matched with the controller.
Preferably, the gas treatment unit comprises one or more activated carbon adsorption tanks which are matched with the output end of the negative pressure pumping unit.
Preferably, the output end of one or more of the activated carbon adsorption tanks is connected with a tail gas detection mechanism, the output end of the tail gas detection mechanism is provided with an exhaust pipe and an air return pipe, and the air return pipe is connected to the input end of one or more of the activated carbon adsorption tanks; the exhaust pipe and the air return pipe are matched with each other to be provided with a control valve; the tail gas detection mechanism and the control valve are connected to the controller.
Preferably, the exhaust duct is connected to the high altitude exhaust passage.
The utility model relates to an optimize volatile organic pollution soil treatment big-arch shelter system of structure to the big-arch shelter is kept in and is turned over the organic contaminated soil after throwing, through the negative pressure unit of bleeding with the big-arch shelter cooperation, take out the gas in the big-arch shelter, with the gas processing unit with the negative pressure unit of bleeding gas of taking out handle and discharge.
The beneficial effects of the utility model reside in that:
1. the closed place for treating the organic polluted soil is provided, is not influenced by the external natural environment, and can be continuously operated;
2. the micro negative pressure operation ensures the health of the operating personnel;
3. the tail gas after the adsorption treatment of the organic pollutants is discharged up to the standard, and secondary pollution is not caused.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the negative pressure pumping unit of the present invention;
fig. 3 is a schematic structural view of the greenhouse of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the scope of the present invention is not limited thereto.
The utility model relates to a volatile organic pollution soil treatment greenhouse system, which comprises a greenhouse 1, a negative pressure air extraction unit matched with the greenhouse 1 and a gas treatment unit matched with the negative pressure air extraction unit; the negative pressure air extraction unit and the gas processing unit are matched with the controller, and the controller is used for controlling and processing the processes of air extraction, negative pressure environment, gas processing and the like; the arrangement of the controller is well known in the art, and can be set by a person skilled in the art according to requirements.
The greenhouse 1 is used for temporarily storing the turned and thrown organic contaminated soil 2;
the greenhouse 1 comprises a framework 11, and a film body 12 is coated outside the framework 11; the bottom of the greenhouse 1 is provided with an impermeable layer 13.
The greenhouse 1 is internally provided with a heating mechanism 14, and the heating mechanism 14 is connected to the controller.
In the utility model, the greenhouse 1 is generally a gas film greenhouse 1 or a steel skeleton structure greenhouse 1, generally adopts a light steel skeleton 11 structure, and can also adopt other construction forms to ensure the stability of the film structure greenhouse 1; meanwhile, the impermeable layer 13 is arranged at the bottom of the greenhouse 1, so that the soil 2 is prevented from reacting with the original soil layer on the ground unnecessarily or causing adverse effects in the treatment process.
In the utility model, the heating mechanism 14 is adopted to meet the requirements of different treatment technologies adopted when the greenhouse 1 treats the soil 2 with different pollution types; the heating mechanism 14 is preferably generally electric.
The negative pressure air extraction unit is matched with the greenhouse 1 and is used for extracting the gas in the greenhouse 1;
the negative pressure air extraction unit comprises a grid type pipeline 31 arranged inside the greenhouse 1, the grid type pipeline 31 is provided with an air inlet 32 and an air outlet 33, the air inlet 32 is communicated with the inner space of the greenhouse 1, and the air outlet 33 is connected to an exhaust fan 34; the suction fan 34 is arranged in cooperation with the controller.
And a one-way air valve 35 is arranged at the air outlet 33.
The distance between adjacent air inlets 32 is 4-10 m.
The negative pressure air exhaust unit further comprises a pressure sensor 36 arranged inside the greenhouse 1, and the pressure sensor 36 is matched with the controller.
The utility model discloses in, according to the characteristic pollutant nature of organic contaminated soil 2, combine 1 structure of big-arch shelter, set up negative pressure air exhaust unit for 1 cooperation of big-arch shelter, mainly include the grid pipeline 31 of distributing type, air inlet 32 is opened every 4-10m to the grid pipeline 31 of bleeding, can pass through the work of air exhauster 34, take out the gas in big-arch shelter 1 along going into air inlet 32, grid pipeline 31, gas outlet 33, and carry out real-time supervision with pressure sensor 36, guarantee the little negative pressure operation in the assurance big-arch shelter 1, it is healthy to ensure the operation personnel.
The utility model discloses in, in order to guarantee the relatively stable of little negative pressure environment, gas outlet 33 sets up one-way pneumatic valve 35, prevents that gas from flowing backward, of course, all can set up one-way pneumatic valve 35 based on the demand in whole negative pressure pumping unit, guarantees the uniformity of gas flow direction.
The gas processing unit is used for processing and discharging the gas pumped by the negative pressure pumping unit;
the gas treatment unit comprises one or more activated carbon adsorption tanks 41 which are matched with the output end of the negative pressure pumping unit.
The output end of one or more activated carbon adsorption tanks 41 is connected with a tail gas detection mechanism 42, the output end of the tail gas detection mechanism 42 is provided with an exhaust pipe 43 and an air return pipe 44, and the air return pipe 44 is connected to the input end of one or more activated carbon adsorption tanks 41; the exhaust pipe 43 and the air return pipe 44 are provided with a control valve 45 in a matching way; the exhaust gas detection mechanism 42 and the control valve 45 are connected to a controller.
The exhaust pipe 43 is connected to a high altitude exhaust passage 46.
The utility model discloses in, the negative pressure air exhaust unit provides the air in the continuous inspiratory big-arch shelter 1 of power through air exhauster 34, discharges after the absorption of active carbon adsorption tank 41 in the gas processing unit.
The utility model discloses in, in order to guarantee the compliance of emission to tail gas detection mechanism 42 detects the gas after the active carbon adsorption, if it is qualified to detect, then discharges through high altitude escape way 46, like the chimney, otherwise, needs to return to the input of active carbon adsorption jar 41 from muffler 44, reprocesses and detects.
The utility model discloses in, follow the trail of monitoring to the adsorption affinity of active carbon in the active carbon adsorption jar 41, should change one or more active carbon adsorption jar 41 after the active carbon adsorption saturation.
The negative pressure air exhaust unit and the gas processing unit are arranged in a matching way with the controller.
The utility model discloses in, each item detects all can begin with the in-process is not regularly gone on.
The utility model discloses an embodiment 1:
when the soil polluted by volatile organic compounds, such as benzene series, gasoline and diesel oil, is treated by adopting a normal-temperature thermal desorption technology, the soil polluted by organic compounds is treated by adopting normal-temperature desorption in a negative-pressure greenhouse 1, the area of the greenhouse 1 is preferably 1000-4000 square meters, micro negative-pressure operation is carried out in the greenhouse 1, the ground in the greenhouse 1 is subjected to anti-seepage treatment, the organic polluted soil 2 is volatilized into a negative-pressure air extraction unit of the greenhouse 1 after being turned and thrown, and after being adsorbed by a gas treatment unit, tail gas reaches the standard and is discharged outside.
The utility model discloses an embodiment 2:
when VOCs and SVOCs polluted soil is treated by a thermal desorption technology, the greenhouse 1 is pretreated by organic polluted soil under negative pressure, anti-seepage treatment and micro-negative pressure operation are performed in the greenhouse 1 to protect the health of operators, the heating mechanism 14 is started, the organic polluted soil 2 is turned and thrown, then volatilizes into a negative pressure air extraction unit of the greenhouse 1, and after adsorption treatment by the gas treatment unit, tail gas reaches the standard and is discharged outside.
Claims (10)
1. The utility model provides a volatile organic pollution soil handles big-arch shelter system which characterized in that: the system comprises:
a greenhouse for temporarily storing the turned and thrown organic contaminated soil;
the negative pressure air extraction unit is matched with the greenhouse and is used for extracting gas in the greenhouse;
the gas processing unit is used for processing and discharging the gas pumped by the negative pressure pumping unit;
the negative pressure air exhaust unit and the gas processing unit are arranged in a matching way with the controller.
2. The VOCs-contaminated soil treatment greenhouse system of claim 1, wherein: the greenhouse comprises a framework, wherein a film body is coated outside the framework; and the bottom of the greenhouse is provided with an impermeable layer.
3. The VOCs contaminated soil treatment greenhouse system of claim 2, wherein: the greenhouse is characterized in that a heating mechanism is arranged in the greenhouse and connected to the controller.
4. The VOC contaminated soil treatment greenhouse system as claimed in claim 1 or 2, wherein: the negative pressure air extraction unit comprises a grid type pipeline arranged inside the greenhouse, the grid type pipeline is provided with an air inlet and an air outlet, the air inlet is communicated with the inner space of the greenhouse, and the air outlet is connected to an exhaust fan; the exhaust fan is matched with the controller.
5. The VOCs contaminated soil treatment greenhouse system of claim 4, wherein: and a one-way air valve is arranged at the air outlet.
6. The VOCs contaminated soil treatment greenhouse system of claim 4, wherein: the distance between the adjacent air inlets is 4-10 m.
7. The VOCs contaminated soil treatment greenhouse system of claim 4, wherein: the negative pressure air exhaust unit further comprises a pressure sensor arranged inside the greenhouse, and the pressure sensor is matched with the controller.
8. The VOCs-contaminated soil treatment greenhouse system of claim 1, wherein: the gas processing unit comprises one or more activated carbon adsorption tanks matched with the output end of the negative pressure pumping unit.
9. The VOCs contaminated soil treatment greenhouse system of claim 8, wherein: the output end of one or more activated carbon adsorption tanks is connected with a tail gas detection mechanism, the output end of the tail gas detection mechanism is provided with an exhaust pipe and an air return pipe, and the air return pipe is connected to the input end of one or more activated carbon adsorption tanks; the exhaust pipe and the air return pipe are matched with each other to be provided with a control valve; the tail gas detection mechanism and the control valve are connected to the controller.
10. The voc-contaminated soil treatment greenhouse system according to claim 9, wherein: the exhaust pipe is connected to the high-altitude exhaust passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022003640.1U CN213728521U (en) | 2020-09-14 | 2020-09-14 | Volatile organic contaminated soil treatment greenhouse system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022003640.1U CN213728521U (en) | 2020-09-14 | 2020-09-14 | Volatile organic contaminated soil treatment greenhouse system |
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| CN213728521U true CN213728521U (en) | 2021-07-20 |
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| CN202022003640.1U Active CN213728521U (en) | 2020-09-14 | 2020-09-14 | Volatile organic contaminated soil treatment greenhouse system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577977A (en) * | 2021-08-02 | 2021-11-02 | 鸿灌环境技术有限公司 | Peculiar smell suppression device for organic matter contaminated soil restoration |
| CN113680806A (en) * | 2021-07-28 | 2021-11-23 | 湖南钦杰环保科技有限公司 | Environment-friendly municipal polluted soil remediation system and use method thereof |
| CN115351057A (en) * | 2022-07-12 | 2022-11-18 | 中国瑞林工程技术股份有限公司 | Soil remediation method for normal-temperature enhanced desorption |
-
2020
- 2020-09-14 CN CN202022003640.1U patent/CN213728521U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680806A (en) * | 2021-07-28 | 2021-11-23 | 湖南钦杰环保科技有限公司 | Environment-friendly municipal polluted soil remediation system and use method thereof |
| CN113577977A (en) * | 2021-08-02 | 2021-11-02 | 鸿灌环境技术有限公司 | Peculiar smell suppression device for organic matter contaminated soil restoration |
| CN115351057A (en) * | 2022-07-12 | 2022-11-18 | 中国瑞林工程技术股份有限公司 | Soil remediation method for normal-temperature enhanced desorption |
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