CN217964073U - Intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water - Google Patents
Intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water Download PDFInfo
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Abstract
The utility model discloses an intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water, which adopts a film pressure type liquid level transmitter, a submersible pump and an intelligent control cabinet, can monitor the water level in an extraction well through the film pressure type liquid level transmitter, and realizes the starting control of the submersible pump when the water level is higher than the high water level and the stopping control when the water level is lower than the low water level by using a control module, thereby having the advantages of no need of frequently opening the head of the extraction well for water level monitoring and high extraction depth control precision; and, through adopting film pressure type liquid level transmitter, can be adapted to the too high operational environment of extraction well groundwater ion content and accurate monitoring the water level in the extraction well, ensure that control module is at the closed and disconnected reliability of high low water level control ac contactor, guaranteed the utility model discloses operational reliability under the too high operational environment of extraction well groundwater ion content.
Description
Technical Field
The utility model relates to a heterogeneous system of extracting, specific intelligent heterogeneous water level monitoring device that extracts of administering contaminated soil and groundwater that says so.
Background
Nowadays, the socioeconomic development of China is continuous, the energy consumption is more and more, the environmental pollution problem becomes a main factor for limiting the socioeconomic development of China, and the important component of the ecological environment is the soil environment, so that the soil environment is imperatively treated and improved in antifouling. Among various means for improving and treating soil environmental pollution, the soil in-situ remediation technology can effectively solve the problem of soil environmental pollution, and has the advantages of reducing the influence on the surrounding environment and being low in price.
The in-situ multiphase extraction technology is one of the main technologies for remedying the soil and the underground water polluted by volatile organic compounds at home and abroad at present, and usually the soil gas and the underground water in an underground polluted area are extracted to the ground by a vacuum extraction means for phase separation and treatment so as to control and remediate the pollutants in the soil and the underground water. The underground water level monitoring is an important component in the in-situ multiphase extraction process, and the difficulty is to accurately control the underground water level of an extraction well to a corresponding pollution depth and then start the extraction to ensure the accuracy of an extraction target.
In the traditional underground water level control process, the situation that a three-point liquid level transmitter is in a short-circuit state and cannot output an effective water level signal when the water level of an extraction well is low due to overhigh ion content in partial polluted soil and underground water, so that a liquid level relay of a submersible pump cannot break a power supply, the submersible pump is damaged due to long-term no-load operation, the precipitation rate is reduced, the no-load operation of the submersible pump greatly improves the loss of electric energy, and the environment-friendly concept implemented by the project is not met; frequent maintenance and replacement of the submersible pump leads to greatly increased labor and material costs. In the traditional underground water level monitoring mode, a wellhead needs to be opened frequently, the air tightness of the wellhead is difficult to ensure, and the extraction vacuum degree is reduced easily in the extraction process; errors exist in manual reading, and a large amount of working hours are consumed; and the storage and transmission of the monitoring data are extremely inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provides an intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water.
Solve the technical problem, the utility model discloses the technical scheme who adopts as follows:
an intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water is used for building a plurality of extraction wells in the treated soil, and the well head of each extraction well is provided with an extraction well head exposed above the ground;
the method is characterized in that: the intelligent multiphase extraction water level monitoring device comprises a film pressure type liquid level transmitter, a submersible pump and an intelligent control cabinet, wherein the film pressure type liquid level transmitter and the submersible pump are respectively arranged corresponding to each extraction well, and the intelligent control cabinet is positioned above the ground; the film pressure type liquid level transmitter and the submersible pump are respectively arranged at the respective preset depth in the corresponding extraction well; the intelligent control cabinet is internally provided with a control module, a main circuit breaker, a branch circuit breaker, an alternating current contactor and an on-off control switch, wherein the branch circuit breaker, the alternating current contactor and the on-off control switch are respectively arranged corresponding to each submersible pump;
the input end of the main circuit breaker is connected with an alternating current power supply, and the output end of the main circuit breaker supplies power to the control module through a first fuse; the control module is provided with a group of transmitter signal input ends and submersible pump control output ends corresponding to each extraction well, the transmitter signal input ends are electrically connected with one ends of transmitter cables, the other ends of the transmitter cables penetrate through the well heads of the extraction wells and extend into the corresponding extraction wells to be electrically connected with the output ends of the film pressure type liquid level transmitters, and the control output ends of the submersible pumps are electrically connected with the control ends of the corresponding on-off control switches; the on-off control switch can be closed when the control end of the on-off control switch receives a high level, and the on-off control switch can be opened when the control end of the on-off control switch receives a low level; the control module can control the control output ends of the submersible pumps in the same group to output high level when the liquid level monitoring data input by the signal input end of the transmitter is higher than the preset high level, and can control the control output ends of the submersible pumps in the same group to output low level when the liquid level monitoring data input by the signal input end of the transmitter is lower than the preset low level; the on-off control switches are preferably realized by adopting a distributed control system DCS; the output end of the main circuit breaker provides DC24V direct-current supply voltage through a third fuse and an alternating-current and direct-current converter; the intelligent control cabinet is also provided with a cooling fan and an in-cabinet circuit switch for controlling the on-off of the alternating current power supply.
The branch circuit breaker and a normally open contact of the alternating current contactor are connected in series to form a submersible pump power supply branch circuit, the input end of the submersible pump power supply branch circuit is electrically connected with the output end of the main circuit breaker, the output end of the submersible pump power supply branch circuit is electrically connected with one end of a submersible pump cable, and the other end of the submersible pump cable penetrates through the head of the extraction well and extends into the corresponding extraction well to be electrically connected with the power supply end of the submersible pump;
the coil series connection of on-off control switch and ac contactor constitutes the immersible pump control branch road, and this immersible pump control branch road concatenates by between the live wire and the zero line of the control source that ac power source drawed, the live wire series connection has second fuse and hot protector.
Therefore, when the control module monitors that the water level in the extraction well is higher than the preset high water level through the film pressure type liquid level transmitter, the coil of the alternating current contactor is controlled to be electrified through the on-off control switch, so that the submersible pump is started by electrifying the power supply branch of the submersible pump, and underground water and pollutants in the extraction well are extracted; when the control module monitors that the water level in the extraction well is lower than the preset low water level through the film pressure type liquid level transmitter, the coil of the alternating current contactor can be controlled to be powered off through the on-off control switch, so that the submersible pump is powered off due to the fact that the normally open contact of the alternating current contactor is disconnected, and stops working.
Therefore, the utility model has the advantages of no need of frequently opening the head of the extraction well for water level monitoring and high control precision of the extraction depth; and, through adopting film pressure type liquid level transmitter, can be adapted to the too high operational environment of extraction well groundwater ion content and accurate monitoring the water level in the extraction well, ensure that control module is at the closed and disconnected reliability of high low water level control ac contactor, guaranteed the utility model discloses operational reliability under the too high operational environment of extraction well groundwater ion content.
Preferably: a thermal relay is arranged in the intelligent control cabinet corresponding to each submersible pump; the thermal element of the thermal relay is connected in series in the corresponding power supply branch of the submersible pump; and the normally closed contacts of the thermal relays are connected in series in the corresponding control branches of the submersible pump. Therefore, when the submersible pump breaks down and the current is too large, the normally closed contact of the thermal relay is disconnected, so that the coil of the alternating current contactor is powered off, the submersible pump is powered off due to the fact that the normally open contact of the alternating current contactor is disconnected, the submersible pump stops working, and safety is improved.
Preferably, the following components: film pressure type liquid level transmitter adopts the liquid level transmitter that the model is LiQ-136, control module adopts PLC control module, the main line circuit breaker adopts the model to be NM1-630s 3300 100A's circuit breaker, branch circuit breaker adopts the model to be NXB-63/2P C6A's air switch, thermal relay adopts the model to be NXR-25.5-4A's thermal relay.
As a preferred embodiment of the present invention: the intelligent control cabinet is provided with a submersible pump operation indicator lamp, a fault alarm module, a submersible pump fault indicator lamp and an upper limit alarm indicator lamp corresponding to each submersible pump; the submersible pump operation indicator lamps are connected in series in the corresponding submersible pump control branches, so that the corresponding submersible pumps can be judged to be in a normal operation state by lighting the submersible pump operation indicator lamps; a fault alarm branch circuit formed by connecting the fault alarm module and the normally closed contact of the alternating current contactor in series is connected between the live wire and the zero line of the control power supply in series, so that the corresponding submersible pump can be judged to be in a fault state in a fault alarm mode such as acousto-optic and electric modes of the fault alarm module; a fault indication branch circuit formed by serially connecting the submersible pump fault indicator lamp and the normally open contact of the thermal relay is serially connected between the live wire and the zero line of the control power supply, so that the corresponding submersible pump can be judged to be in a fault state by lighting the submersible pump fault indicator lamp; the control module can control the upper limit alarm indicator lamp to be powered on when the liquid level monitoring data input by the signal input end of the transmitter is higher than the preset upper limit alarm water level, so that the upper limit alarm indicator lamp can be lightened to judge that the water level in the corresponding extraction well exceeds the upper limit alarm water level required to be warned. Therefore, the working personnel can carry out fault judgment through the working states of the working personnel, so that faults can be checked in time.
Preferably, the following components: the intelligent control cabinet is provided with a parameter setting button electrically connected with the control module, so that the preset high water level (namely, the pumping stop water level), the low water level (namely, the pumping start water level) and the upper limit alarm water level are set.
As a preferred embodiment of the present invention: the intelligent control cabinet is further provided with a storage and a data derivation interface which are respectively electrically connected with the control module, the control module can store liquid level monitoring data input by each film pressure type liquid level transmitter in the storage, so that a worker can inquire historical water level data records of each extraction well, the data is derived through the data derivation interface, and the working hours consumed by data collection and arrangement are reduced.
Preferably, the following components: the intelligent control cabinet is further provided with a touch display screen electrically connected with the control module, so that workers can conveniently check various working data of the intelligent multiphase extraction water level monitoring device in real time.
Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, the utility model adopts the film pressure type liquid level transmitter, the submersible pump and the intelligent control cabinet, can monitor the water level in the extraction well through the film pressure type liquid level transmitter, and realizes the start control of the submersible pump when the submersible pump is higher than the high water level and the stop control when the submersible pump is lower than the low water level by the control module, thereby having the advantages of no need of frequently opening the head of the extraction well for water level monitoring and high control precision of the extraction depth; and, through adopting film pressure type liquid level transmitter, can be adapted to the too high operational environment of extraction well groundwater ion content and accurate monitoring the water level in the extraction well, ensure that control module is at the closed and disconnected reliability of high low water level control ac contactor, guaranteed the utility model discloses operational reliability under the too high operational environment of extraction well groundwater ion content.
Second, the utility model discloses be equipped with immersible pump operation pilot lamp, malfunction alerting module, immersible pump fault indication lamp and upper limit alarm indication lamp, the staff can carry out fault diagnosis through their operating condition to in time troubleshooting trouble.
Drawings
The invention will be described in further detail with reference to the following drawings and specific embodiments:
FIG. 1 is a schematic structural view of an intelligent multiphase extraction water level monitoring device of the present invention;
fig. 2 is one of the circuit schematic diagrams of the intelligent multiphase extraction water level monitoring device of the utility model;
fig. 3 is a second schematic circuit diagram of the intelligent multiphase extraction water level monitoring device of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings to help those skilled in the art to better understand the concept of the present invention, but the scope of the claims of the present invention is not limited to the following embodiments, and all other embodiments obtained without creative work for those skilled in the art will fall within the scope of the present invention without departing from the scope of the present invention.
Example one
As shown in fig. 1 to 3, the utility model discloses an intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water, which is used for building a plurality of extraction wells 4 in the treated soil, and the well head of each extraction well 4 is provided with an extraction well head 5 exposed above the ground;
the intelligent multiphase extraction water level monitoring device comprises a film pressure type liquid level transmitter 1, a submersible pump 2 and an intelligent control cabinet 3, wherein the film pressure type liquid level transmitter and the submersible pump are respectively arranged corresponding to each extraction well 4; the film pressure type liquid level transmitter 1 and the submersible pump 2 are respectively arranged at the respective preset depth in the corresponding extraction well 4; a control module and a main circuit breaker QF1 are arranged in the intelligent control cabinet 3, and a branch circuit breaker QF2, an alternating current contactor and an on-off control switch K1 are respectively arranged corresponding to each submersible pump 2;
the input end of the main circuit breaker QF1 is connected with an alternating current power supply, and the output end of the main circuit breaker QF1 supplies power to the control module through a first fuse FU 1; the control module is provided with a group of transmitter signal input ends and submersible pump control output ends corresponding to each extraction well 4, the transmitter signal input ends are electrically connected with one ends of transmitter cables 6, the other ends of the transmitter cables 6 penetrate through the extraction well heads 5 to extend into the corresponding extraction wells 4 to be electrically connected with the output ends of the film pressure type liquid level transmitters 1, and the submersible pump control output ends are electrically connected with the control ends of the corresponding on-off control switches K1; the on-off control switch K1 can be closed when the control end of the on-off control switch receives a high level, and the on-off control switch K1 can be opened when the control end of the on-off control switch receives a low level; the control module can control the control output ends of the submersible pumps in the same group to output high level when the liquid level monitoring data input by the signal input end of the transmitter is higher than the preset high level, and can control the control output ends of the submersible pumps in the same group to output low level when the liquid level monitoring data input by the signal input end of the transmitter is lower than the preset low level; preferably, each on-off control switch K1 is realized by adopting a distributed control system DCS; the output end of the main circuit breaker QF1 provides DC24V direct-current supply voltage through a third fuse and an alternating-current and direct-current converter; the intelligent control cabinet 3 is further provided with a cooling fan 10 and an in-cabinet circuit switch 11 for controlling the on-off of the alternating current power supply.
The branch circuit breaker QF2 and the normally open contact KM-2 of the alternating current contactor are connected in series to form a submersible pump power supply branch BU1, the input end of the submersible pump power supply branch BU1 is electrically connected with the output end of the main circuit breaker QF1, the output end of the submersible pump power supply branch BU1 is electrically connected with one end of a submersible pump cable 7, and the other end of the submersible pump cable 7 penetrates through the extraction well head 5 to extend into the corresponding extraction well 4 to be electrically connected with the power supply end of the submersible pump 2;
on-off control switch K1 and ac contactor's coil KM-1 establish ties and constitute immersible pump control branch BU2, this immersible pump control branch BU2 concatenates by between the live wire L and the zero line N of the control source that ac power source drawed, live wire L establishes ties has second fuse FU2 and thermal protector.
Therefore, when the control module monitors that the water level in the extraction well 4 is higher than the preset high water level through the film pressure type liquid level transmitter 1, the coil KM-1 of the alternating current contactor can be controlled to be electrified through the on-off control switch K1, so that the submersible pump 2 is started through electrifying the submersible pump power supply branch BU1 to extract the underground water and pollutants in the extraction well 4; when the control module monitors that the water level in the extraction well 4 is lower than the preset low water level through the film pressure type liquid level transmitter 1, the coil KM-1 of the alternating current contactor can be controlled to be powered off through the on-off control switch K1, so that the submersible pump 2 is powered off due to the fact that the normally open contact KM-2 of the alternating current contactor is disconnected, and the submersible pump stops working.
Therefore, the utility model has the advantages of no need of frequently opening the well head 5 of the extraction well for water level monitoring and high control precision of the extraction depth; and, through adopting film pressure type liquid level transmitter 1, can be adapted to the too high operational environment of extraction well 4 groundwater ion content and accurate monitoring the water level in the extraction well 4, ensure that control module is in the closed and disconnected reliability of high low water level control ac contactor, guaranteed the utility model discloses operational reliability under the too high operational environment of extraction well 4 groundwater ion content.
The above is a basic implementation manner of the first embodiment, and further optimization, improvement and limitation may be performed on the basis of the basic implementation manner:
preferably: a thermal relay is also arranged in the intelligent control cabinet 3 corresponding to each submersible pump 2; a thermal element KH-1 of the thermal relay is connected in series in a corresponding submersible pump power supply branch BU 1; and a normally closed contact KH-2 of the thermal relay is connected in series in a corresponding submersible pump control branch BU 2. Therefore, when the submersible pump 2 breaks down and the current is too large, the normally closed contact KH-2 of the thermal relay is disconnected, so that the coil KM-1 of the alternating current contactor is powered off, the submersible pump 2 is powered off due to the fact that the normally open contact KM-2 of the alternating current contactor is disconnected, the submersible pump stops working, and safety is improved.
Preferably: film pressure type liquid level transmitter 1 adopts the liquid level transmitter that the model is LiQ-136, control module adopts PLC control module, main circuit breaker QF1 adopts the model to be NM1-630s 3300 100A's circuit breaker, branch circuit breaker QF2 adopts the model to be NXB-63/2P C6A's air switch, thermal relay adopts the model to be NXR-25.5-4A's thermal relay.
Example two
On the basis of the first embodiment, the second embodiment further adopts the following preferred structure:
the intelligent control cabinet 3 is respectively provided with a submersible pump operation indicator lamp HR, a fault alarm module FM, a submersible pump fault indicator lamp HY and an upper limit alarm indicator lamp 8 corresponding to each submersible pump 2; the operating indicator lamp HR is connected in series in the corresponding control branch BU2 of the submersible pump, so that the corresponding submersible pump 2 can be judged to be in a normal operating state by lighting the operating indicator lamp HR of the submersible pump; a fault alarm branch BU3 formed by connecting the fault alarm module FM and the normally closed contact KM-3 of the alternating current contactor in series is connected between the live line L and the zero line N of the control power supply in series, so that the corresponding submersible pump 2 can be judged to be in a fault state through fault alarm modes such as sound, light, electricity and the like of the fault alarm module FM; a fault indication branch BU4 formed by serially connecting the submersible pump fault indication lamp HY and a normally open contact KH-3 of the thermal relay is serially connected between a live line L and a zero line N of the control power supply, so that the corresponding submersible pump 2 can be judged to be in a fault state by lightening the submersible pump fault indication lamp HY; the control module can control the upper limit alarm indicator light 8 to be electrified when the liquid level monitoring data input by the signal input end of the transmitter is higher than the preset upper limit alarm water level, so that the upper limit alarm indicator light 8 can be lightened to judge that the water level in the corresponding extraction well 4 exceeds the upper limit alarm water level required to be warned. Therefore, the working personnel can carry out fault judgment through the working states of the working personnel, so that faults can be checked in time.
Preferably: the intelligent control cabinet 3 is provided with a parameter setting button 9 electrically connected with the control module, so that the preset high water level (namely, pumping stop water level), the preset low water level (namely, pumping start water level) and the upper limit alarm water level are set.
EXAMPLE III
On the basis of the first or second embodiment, the third embodiment further adopts the following preferred structure:
The above is the basic implementation of the third embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation:
preferably: the intelligent control cabinet 3 is also provided with a touch display screen 13 electrically connected with the control module, so that workers can check various working data of the intelligent multiphase extraction water level monitoring device in real time.
The present invention is not limited to the above embodiments, and according to the above contents, according to the common technical knowledge and the conventional means in the field, without departing from the basic technical idea of the present invention, the present invention can also make other equivalent modifications, replacements or changes in various forms, all falling within the protection scope of the present invention.
Claims (6)
1. An intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water is used for building a plurality of extraction wells (4) in the treated soil, and the well head of each extraction well (4) is provided with an extraction well head (5) exposed above the ground;
the method is characterized in that: the intelligent multiphase extraction water level monitoring device comprises a film pressure type liquid level transmitter (1), a submersible pump (2) and an intelligent control cabinet (3), wherein the film pressure type liquid level transmitter and the submersible pump are respectively arranged corresponding to each extraction well (4), and the intelligent control cabinet is positioned above the ground; the film pressure type liquid level transmitter (1) and the submersible pump (2) are respectively arranged at the respective preset depths in the corresponding extraction well (4); a control module and a main circuit breaker (QF 1) are arranged in the intelligent control cabinet (3), and a branch circuit breaker (QF 2), an alternating current contactor and an on-off control switch (K1) are respectively arranged corresponding to each submersible pump (2);
the input end of the main circuit breaker (QF 1) is connected with an alternating current power supply, and the output end of the main circuit breaker (QF 1) supplies power to the control module through a first fuse (FU 1); the control module is provided with a group of transmitter signal input ends and submersible pump control output ends corresponding to each extraction well (4), the transmitter signal input ends are electrically connected with one end of a transmitter cable (6), the other end of the transmitter cable (6) penetrates through the head (5) of the extraction well to extend into the corresponding extraction well (4) to be electrically connected with the output end of the film pressure type liquid level transmitter (1), and the control output end of the submersible pump is electrically connected with the control end of the corresponding on-off control switch (K1); wherein the on-off control switch (K1) can be closed when the control end of the on-off control switch receives a high level, and the on-off control switch (K1) can be opened when the control end of the on-off control switch receives a low level; the control module can control the control output ends of the submersible pumps in the same group to output high level when the liquid level monitoring data input by the signal input end of the transmitter is higher than the preset high level, and can control the control output ends of the submersible pumps in the same group to output low level when the liquid level monitoring data input by the signal input end of the transmitter is lower than the preset low level;
the branch circuit breaker (QF 2) and a normally open contact (KM-2) of the alternating current contactor are connected in series to form a submersible pump power supply branch circuit (BU 1), the input end of the submersible pump power supply branch circuit (BU 1) is electrically connected with the output end of the main circuit breaker (QF 1), the output end of the submersible pump power supply branch circuit (BU 1) is electrically connected with one end of a submersible pump cable (7), and the other end of the submersible pump cable (7) penetrates through the well head (5) of the extraction well to extend into the corresponding extraction well (4) to be electrically connected with the power supply end of the submersible pump (2);
the submersible pump control branch circuit (BU 2) is formed by connecting an on-off control switch (K1) and a coil (KM-1) of an alternating current contactor in series, the submersible pump control branch circuit (BU 2) is connected in series between a live wire (L) and a zero wire (N) of a control power supply led out by the alternating current power supply, and the live wire (L) is connected in series with a second fuse (FU 2).
2. The intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water according to claim 1, which is characterized in that: a thermal relay is arranged in the intelligent control cabinet (3) corresponding to each submersible pump (2); the thermal element (KH-1) of the thermal relay is connected in series with the corresponding submersible pump power supply branch (BU 1); and a normally closed contact (KH-2) of the thermal relay is connected in series in a corresponding submersible pump control branch (BU 2).
3. The intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water according to claim 2, which is characterized in that: film pressure type liquid level transmitter (1) adopts the liquid level transmitter that the model is LiQ-136, control module adopts PLC control module, main circuit breaker (QF 1) adopts the model to be NM1-630s/3300 100A's circuit breaker, branch circuit breaker (QF 2) adopts the model to be NXB-63/2P C6A's air switch, thermal relay adopts the model to be NXR-25.5-4A's thermal relay.
4. The intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water according to any one of claims 1 to 3, wherein: the intelligent control cabinet (3) is provided with a submersible pump operation indicator lamp (HR), a fault alarm module (FM), a submersible pump fault indicator lamp (HY) and an upper limit alarm indicator lamp (8) corresponding to each submersible pump (2); the submersible pump operation indicator lamp (HR) is connected in series in the corresponding submersible pump control branch (BU 2); a fault alarm branch (BU 3) formed by connecting the fault alarm module (FM) and a normally closed contact (KM-3) of the alternating current contactor in series is connected between a live wire (L) and a zero line (N) of the control power supply in series; a fault indication branch (BU 4) formed by serially connecting the submersible pump fault indication lamp (HY) and a normally open contact (KH-3) of the thermal relay is serially connected between a live wire (L) and a zero line (N) of the control power supply; the control module can control the upper limit alarm indicator lamp (8) to be electrified when liquid level monitoring data input by the signal input end of the transmitter is higher than a preset upper limit alarm water level.
5. The intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water according to any one of claims 1 to 3, wherein: the intelligent control cabinet (3) is further provided with a memory and a data export interface (12) which are respectively electrically connected with the control module, and the control module can store the liquid level monitoring data input by each film pressure type liquid level transmitter (1) in the memory.
6. The intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water according to claim 5, wherein: the intelligent control cabinet (3) is further provided with a touch display screen (13) electrically connected with the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220721245.3U CN217964073U (en) | 2022-03-30 | 2022-03-30 | Intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220721245.3U CN217964073U (en) | 2022-03-30 | 2022-03-30 | Intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water |
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| CN217964073U true CN217964073U (en) | 2022-12-06 |
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| CN202220721245.3U Active CN217964073U (en) | 2022-03-30 | 2022-03-30 | Intelligent multiphase extraction water level monitoring device for treating polluted soil and underground water |
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