CN212916998U - Intelligent multi-phase extraction repair system - Google Patents
Intelligent multi-phase extraction repair system Download PDFInfo
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- CN212916998U CN212916998U CN202020800021.2U CN202020800021U CN212916998U CN 212916998 U CN212916998 U CN 212916998U CN 202020800021 U CN202020800021 U CN 202020800021U CN 212916998 U CN212916998 U CN 212916998U
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Abstract
The utility model discloses an intelligent multiphase extraction and remediation system, wherein a plurality of multiphase extraction wells are arranged in a groundwater pollution remediation area, extraction tubules are arranged in the multiphase extraction wells, and well heads are connected with extraction pipelines; install level sensor and drainage controller in the oil water separator, the waste water export is established to the oil water separator lower part, is connected to effluent treatment plant, and the oil drain port is established at oil water separator top, is connected to the oil storage pond. The utility model discloses can be used for the heterogeneous repair process of extracting of control to adjust the heterogeneous restoration technological parameter of extracting in real time and guarantee to restore the target reachability, realized the high-efficient restoration of volatility and semi-volatility organic pollution place loam groundwater, have certain economic benefits.
Description
Technical Field
The utility model relates to a pollute place restoration technical field, disclose a repair system is extracted to intelligence polyphase.
Background
Volatile and semi-volatile organic pollutants are common high-risk pollutants in polluted sites, and bring serious influence on the health of people in and around the sites. The development of related polluted site soil and sewage control and remediation technologies becomes a hotspot in the field of environmental protection. In-situ remediation is the preferred method for remediation of organic contaminated sites because of the advantages of low disturbance, low risk of secondary pollution, relatively low remediation cost and the like.
The multiphase extraction restoration technology simultaneously pumps out gas and liquid (including soil gas, underground water and non-aqueous phase liquid) in a polluted area from underground to the ground through a vacuum extraction device/water pump, thereby achieving the purpose of quickly controlling and synchronously restoring the pollution of soil and underground water. The technology has the synergistic effects of extraction treatment, soil vapor extraction, free phase recovery, vacuum strengthening, biological ventilation, natural attenuation and the like, and is rapidly developed in engineering application in recent years. At present, the establishment and engineering application of a multiphase extraction system mainly focuses on the removal effect of pollutants after field extraction and repair, and a process monitoring control system and a control method which influence the implementation effect of an in-situ multiphase extraction project are lacked. Due to the complexity of soil and underground water systems, the in-situ multiphase extraction repair technology is always in an opaque state in the implementation process, and repair measures are required to be implemented again by reworking if a given repair target is not achieved after the implementation is finished, so that the monitoring of the multiphase extraction repair process plays a crucial role in controlling the final repair effect and the engineering cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the shortcoming that the opaque state of the heterogeneous implementation process of extracting in traditional contaminated site normal position caused restoration target reachability not enough, provide an intelligence and extract repair system polyphase.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve: an intelligent multiphase extraction and remediation system is characterized in that an extraction pipeline is connected with a gas-liquid separator through an extraction power system, the bottom of the gas-liquid separator is provided with a water outlet, the extraction pipeline is connected with an oil-water separator through a water suction pump, the top of the gas-liquid separator is provided with an exhaust port, and the exhaust port is provided with an exhaust gas temperature/humidity sensor and is connected to an exhaust gas treatment device through an induced draft fan; install level sensor and drainage controller in the oil water separator, the waste water export is established to the oil water separator lower part, is connected to effluent treatment plant, and the oil drain port is established at oil water separator top, is connected to the oil storage pond.
Furthermore, the multiphase extraction well is provided with a vacuum degree sensor, and the extraction pipeline is provided with a transparent window, a flow sensor and a flow controller.
Further, the extraction power system is an oil-sealed vacuum pump, and the oil-sealed vacuum pump is provided with a vacuum meter, a vacuum degree controller and a temperature sensor.
Further, an exhaust gas discharge port of the exhaust gas treatment device is equipped with an exhaust gas flow sensor and a rapid gas concentration detector.
Further, set up the waste water jar of keeping in between waste water treatment device and the gravity type oil water separator, the medicament holding vessel is thrown through the dystopy medicament and is thrown the medicine mouth that adds that the controller is connected to waste water treatment device, and waste water treatment device is provided with waste water pollution short-term test ware and waste water flow sensor.
Furthermore, underground water monitoring wells are distributed around or inside the underground water pollution remediation area, and underground water quality online detectors are distributed in the monitoring wells.
The utility model discloses a high-efficient restoration of volatility and semi-volatility organic pollution place soil groundwater.
Compared with the traditional multiphase extraction repair device, the utility model has the advantages that:
(1) the utility model discloses a repair system is drawed to intelligence is heterogeneous can realize the dynamic monitoring of heterogeneous extraction repair process, collects various working parameter of repair process to adjust in real time, guaranteed the accessibility of restoration target.
(2) The utility model discloses a repair system is extracted to intelligence polyphase makes up the tradition and extracts repair process monitoring technology intuition nature, the poor not enough of real-time.
(3) The utility model discloses a repair system is extracted to intelligence polyphase has certain economic benefits, can be used for controlling equipment investment and the human cost of restoreing implementation.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent multi-phase extraction repair system based on process dynamic monitoring and control according to an embodiment of the present invention.
The main reference symbols in the attached figure 1 indicate:
1. a multiphase extraction well; 2. a digital vacuum degree sensor; 3. a water level sensor; 4. an oil phase detector; 5. an extraction pipeline; 6. a vacuum pump; 7. a vacuum degree controller; 8. a temperature sensor; 9. a transparent window; 10. a flow sensor; 11. a flow controller; 12. a gas-liquid separator; 13. a liquid level sensor; 14. a water pump; 15. an exhaust gas temperature/humidity sensor; 16. an induced draft fan; 17. an exhaust gas treatment device; 18. an oil-water separator; 19. a drainage controller; 20. a wastewater treatment device; 21. an oil storage pool; 22. a timer; 23. a gas phase concentration rapid detector; 24. a temporary wastewater storage tank; 25. a water intake pump controller; 26. a drain pump controller; 27. a medicament storage tank; 28. a medicament dosing controller; 29. a rapid detector for wastewater pollution; 30. an underground water monitoring well; 31. a water quality on-line detector; 32. a field distributed base station; 33. a master control system; 34. a personal computer; 35. and a communication module.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings, 1, and examples:
in a specific embodiment, the intelligent multiphase extraction remediation system is applied to groundwater remediation engineering of an organic pollution site.
The system comprises a multi-phase extraction unit which comprises: arranging a plurality of multiphase extraction wells 1 in an underground water pollution remediation area, wherein the well depths are unified to be 11m, the well spacing is 3m, a 90 mm PVC well pipe is adopted, and extraction thin pipes are arranged in the well pipe; a digital vacuum degree sensor 2 is arranged at the wellhead of the extraction well to monitor the wellhead vacuum degree, and a water level sensor 3 and an oil phase detector 4 are arranged in the well; the wellhead is connected with an extraction pipeline 5, an extraction power system is an oil-sealed vacuum pump 6, the vacuum pump is provided with a digital vacuum meter, a vacuum degree controller 7 and a temperature sensor 8, and the extraction pipeline is provided with a transparent window 9, a flow sensor 10 and a flow controller 11.
The system comprises a multiphase separation unit comprising: the vacuum pump pumping pipeline is connected with a gravity type gas-liquid separator 12, a baffle plate and a height difference liquid level sensor 13 are arranged in the gravity type gas-liquid separator, a communicating pipeline water pump 14 is arranged at an exhaust port, an exhaust gas temperature/humidity sensor 15 is arranged at an exhaust port, exhaust gas is pumped to an exhaust gas treatment device 17 through an induced draft fan 16, separated liquid passes through a gravity type oil-water separator 18, a liquid level sensor and a water discharge controller 19 are arranged in the oil-water separator, separated wastewater is discharged into a wastewater treatment device 20, and free pollution phases enter an oil storage pool.
The system constitutes a pollution purification unit comprising: the waste gas treatment device is an activated carbon adsorption collection device, the waste gas activated carbon adsorption device is provided with a timing timer 22, consumption time and filler replacement reminding are recorded through a control system, adsorbent fillers are replaced at regular time, and a waste gas flow sensor and a gas phase concentration rapid detector 23 are installed at a waste gas discharge port; the wastewater treatment device adopts an ectopic chemical oxidation treatment process, a Fenton oxidant is added, a temporary wastewater storage tank 24 is arranged in front, a wastewater liquid level sensor, a water inlet pump controller 25, a drainage pump controller 26, a medicament storage tank 27, an ectopic medicament adding controller 28, a wastewater pollution rapid detector 29 and a drainage flow sensor are installed.
The process evaluation monitoring device comprises a vacuum degree sensor of an aeration zone and a small amount of underground water monitoring wells 30 which are arranged at the periphery and inside of a repair area, and an underground water quality on-line detector 31 is arranged in the monitoring wells.
The monitoring and control device is connected to an on-site distributed base station 32 through an optical fiber, the base station is connected to a master control system 33, the control system is connected to a personal computer 34 based on a PLC automatic control system, working operation parameters of the system are collected and analyzed, and feedback adjustment is carried out on an extraction system control unit, a multiphase separation control unit and a pollution purification control unit (ectopic treatment water inlet control, ectopic treatment water drainage control and ectopic treatment medicine adding control). The control system uploads the data to the cloud for storage through the mobile network of the communication module 35.
The target pollutant is total petroleum hydrocarbon in the engineering application of groundwater remediation in a certain organic pollution site, and the groundwater pollution area is repaired by multiphase extraction with the target pollutant being about 1500m2. The power of a single vacuum pump is 7.5KW, the vacuum degree is below-0.09 MPa, and the maximum extraction water amount of a single well is about 1.0m3H, the maximum extraction gas amount of a single well is about 20m3H is used as the reference value. Setting the control range of the vacuum degree of the system to be-0.04 to-0.07 MPa, the control range of the vacuum degree of the wellhead to be-0.03 to-0.06 MPa and the control range of the flow rate of the extracted gas to be 10 to 20m by a central control system3The flow control range of the extraction water is 0.2-0.5m3The run cycle sets up a 2 hour/single well/day timing plan. Monitoring the operation temperature of the vacuum pump, setting an alarm threshold value at 45 ℃, monitoring the temperature and humidity of the multiphase separation waste gas, and setting the alarm threshold value at 40 ℃ and 30%. And observing the visual state of the extracted fluid through the transparent window of the extraction pipeline. Liquid level sensors in the gas-liquid separator and the oil-water separator control the start and stop of relevant equipment, and indexes of the waste gas and waste water detector control the discharge of waste gas and waste water according to corresponding relevant discharge standards. The repair project operates the extraction system for 30 days and extracts the underground water 465 m3Gas 106200 m3And 180L of free phase is collected, and the water extraction amount of each extraction well is gradually reduced along with the extraction time. By monitoring the vacuum of the extraction well during the operationThe method comprises the steps of determining the voidage, monitoring well water level, water yield, gas output, waste gas pollution concentration and waste water pollution concentration, intelligently judging extraction and repair effects and adjusting process technology. The initial underground water pollution concentration reaches 17920 mug/L to the maximum, the underground water pollution concentration reaches 710 mug/L to the maximum after the intelligent multi-phase extraction repair system based on the process dynamic monitoring control operates for 30 days, and the final process evaluation monitoring result shows that the organic pollutant concentration in the underground water in the monitoring well of the repair area reaches the repair target.
The utility model discloses a high-efficient restoration of volatility and semi-volatility organic pollution place soil groundwater.
To sum up, the utility model discloses a repair system is extracted to intelligence polyphase can be used for the control polyphase to extract repair process and adjust polyphase extraction restoration technological parameter in real time and guarantee the restoration target reachability, can be used for controlling equipment investment and the human cost of restoration implementation again, has realized the high-efficient restoration and certain economic benefits of volatility and semi-volatility organic pollution place soil groundwater.
Claims (6)
1. An intelligent multiphase extraction and remediation system is characterized in that an extraction pipeline is connected with a gas-liquid separator through an extraction power system, the bottom of the gas-liquid separator is provided with a water outlet, the extraction pipeline is connected with an oil-water separator through a water suction pump, the top of the gas-liquid separator is provided with an exhaust port, and the exhaust port is provided with an exhaust gas temperature/humidity sensor and is connected to an exhaust gas treatment device through an induced draft fan; install level sensor and drainage controller in the oil water separator, the waste water export is established to the oil water separator lower part, is connected to effluent treatment plant, and the oil drain port is established at oil water separator top, is connected to the oil storage pond.
2. The intelligent multiphase extraction repair system of claim 1, wherein: the multiphase extraction well is provided with a vacuum degree sensor, and the extraction pipeline is provided with a transparent window, a flow sensor and a flow controller.
3. The intelligent multiphase extraction repair system of claim 1, wherein: the extraction power system is an oil-sealed vacuum pump which is provided with a vacuum meter, a vacuum degree controller and a temperature sensor.
4. The intelligent multiphase extraction repair system of claim 1, wherein: an exhaust gas discharge port of the exhaust gas treatment device is provided with an exhaust gas flow sensor and a rapid gas concentration detector.
5. The intelligent multiphase extraction repair system of claim 1, wherein: set up the waste water jar of keeping in between waste water treatment device and the gravity type oil water separator, the medicament holding vessel is thrown through the dystopy medicament and is thrown the medicine mouth that adds that the controller is connected to waste water treatment device, and waste water treatment device is provided with waste water pollution short-term test ware and waste water flow sensor.
6. The intelligent multiphase extraction repair system of claim 1, wherein: underground water monitoring wells are distributed around or in the underground water pollution remediation area, and underground water quality online detectors are distributed in the monitoring wells.
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| CN202020800021.2U CN212916998U (en) | 2020-05-14 | 2020-05-14 | Intelligent multi-phase extraction repair system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114130805A (en) * | 2021-12-15 | 2022-03-04 | 南京康帕森环保科技有限公司 | Integrated comprehensive in-situ repair system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130805A (en) * | 2021-12-15 | 2022-03-04 | 南京康帕森环保科技有限公司 | Integrated comprehensive in-situ repair system |
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