CN215894101U - Novel pollution investigation groundwater sampling device - Google Patents
Novel pollution investigation groundwater sampling device Download PDFInfo
- Publication number
- CN215894101U CN215894101U CN202121528043.9U CN202121528043U CN215894101U CN 215894101 U CN215894101 U CN 215894101U CN 202121528043 U CN202121528043 U CN 202121528043U CN 215894101 U CN215894101 U CN 215894101U
- Authority
- CN
- China
- Prior art keywords
- sampling
- pipe
- pump
- water interface
- liquid outlet
- 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.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a novel pollution investigation groundwater sampling device, which adopts the technical scheme that the device comprises an oil-water interface instrument, a sampling pump, a bidirectional gas source pump, a sampling bottle and a controller, wherein the controller is connected with the bidirectional gas source pump, the bidirectional gas source pump is connected with the sampling pump through a gas supply pipe, and the other end of the sampling pump is connected with the sampling bottle; the other end and the sampling pump of controller are connected, and wherein, the sampling pipe has been seted up to the front end of sampling pump, and the top of sampling pipe is provided with the sampling pipe inlet, and the sampling pipe inlet is located same position with oil water interface appearance probe, and the other end and the oil water interface appearance wire of oil water interface appearance probe are connected, be equipped with the scale on the oil water interface appearance wire, the end-to-end connection of oil water interface appearance wire has oil water interface appearance. The utility model can realize quantitative collection, has little disturbance to the underground water, thereby improving the collection accuracy of underground water samples and ensuring the representativeness of the samples; in addition, this device also can be used to the accurate recovery of aquatic top layer floating oil.
Description
Technical Field
The utility model belongs to the field of groundwater pollution investigation, and particularly relates to a novel groundwater sampling device for pollution investigation.
Background
During the pollution investigation, need to get groundwater water sample analysis and detection and judge with pollutant and pollution degree, the conventionality adopts the sampling of bailer pipe or low flow sampling pump, and the bailer pipe sampling mode has certain disturbance to groundwater, and the sample representativeness of taking a sample is not good, and inconvenient measurement, and low flow sampling pump also has the disturbance of certain degree to groundwater, and the cost is higher. Therefore, the underground water sampling device which is convenient for maintenance operation, small in underground water disturbance, low in cost and convenient for metering is developed, and has positive significance for improving the sampling accuracy of the sample.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel pollution investigation groundwater sampling device, which can realize quantitative acquisition and has little disturbance to groundwater, thereby improving the groundwater sample acquisition accuracy and ensuring the sample representativeness. In addition, this device also can be used to the accurate recovery of aquatic top layer floating oil.
In order to achieve the purpose, the utility model provides the following technical scheme: a novel pollution investigation groundwater sampling device comprises an oil-water interface instrument, a sampling pump, a bidirectional gas source pump, a sampling bottle and a controller, wherein the controller is connected with the bidirectional gas source pump, one end of the bidirectional gas source pump is connected with the sampling pump through a gas supply pipe, and the other end of the sampling pump is connected with the sampling bottle; the other end and the sampling pump of controller are connected, and wherein, the sampling pipe has been seted up to the front end of sampling pump, the top of sampling pipe is provided with the sampling pipe inlet, the sampling pipe inlet is located same position with oil water interface appearance probe, the other end and the oil water interface appearance wire of oil water interface appearance probe are connected, be equipped with the scale on the oil water interface appearance wire, the end-to-end connection of oil water interface appearance wire has oil water interface appearance.
Preferably, the sampling pump comprises a liquid outlet, a liquid outlet one-way valve, an outer liquid outlet pipe, a hand wheel, a bearing, a compressed air inlet, a liquid level sensing lead, a sampling pump body, a piston, a liquid level sensing probe, an air pipe, an inner liquid outlet pipe, a liquid inlet diaphragm, a liquid inlet one-way valve, a scale mark and a piston rod in sequence from top to bottom, wherein the liquid outlet is connected with the liquid outlet one-way valve, the liquid outlet one-way valve is connected with the outer liquid outlet pipe, the outer side of the outer liquid outlet pipe is sleeved with a threaded pipe, the hand wheel is arranged on the threaded pipe and is connected with the piston rod through the bearing, the piston rod is connected with the piston, the upper end of the piston is connected with the liquid level sensing lead, one end of the liquid level sensing lead is connected with the liquid level sensing probe, the other end of the liquid level sensing lead is connected with the compressed air inlet, and the compressed air inlet is arranged at the upper end of the sampling pump body, the liquid level sensing probe is simultaneously installed on the piston, the piston is further provided with an air pipe, the air pipe is wound on the piston rod, the tail end of the air pipe is communicated with the compressed air inlet, the lower end of the piston rod is connected with an inner liquid outlet pipe, the tail end of the inner liquid outlet pipe is connected with a liquid inlet one-way valve, and a liquid inlet diaphragm is arranged between the inner liquid outlet pipe and the liquid inlet one-way valve.
Preferably, the liquid inlet membrane is made of soft rubber.
Preferably, the oil-water interface instrument lead and the sampling pipe are partially parallel and fixed in a clamping manner in the well.
Preferably, the sampling pipe is made of synthetic rubber with explosion-proof performance, and the gas supply pipe is made of polyethylene.
Preferably, the bottom of the sampling pump cylinder body is connected with the sampling pump cylinder body through a flange.
Preferably, the hand wheel can replace an electromagnetic valve, the sampling amount is controlled through the hand wheel, and the hand wheel is upgraded into an electromagnetic valve for controlling the piston rod to move up and down to a set volume.
Preferably, be equipped with the scale mark in the sampling pump body, the sampling pump body sets up to glass material or metal material.
The utility model has the technical effects and advantages that:
compared with the conventional Beller tube sampling, the method reduces the disturbance of the underground water, improves the accuracy and the representativeness of the underground water sample, can realize automatic sampling and reduces the error caused by artificial sampling. In addition, this sampling device still can be used to pollute the restoration in-process, and the accurate recovery of oil slick in the suction well improves and receives oily efficiency, shortens the repair time.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is an external view of the sampling pump assembly of the present invention;
fig. 3 is a block diagram of the sampling pump device of the present invention.
In the figure: 1-a liquid outlet; 2-a liquid outlet one-way valve; 3-liquid outlet pipe; 4-hand wheel; 5-a bearing; 6-compressed air inlet; 7-liquid level sensing wire; 8-sampling pump body; 9-a piston; 10-liquid level sensing probe; 11-an air tube; 12-inner liquid outlet pipe; 13-liquid inlet membrane; 14-liquid inlet one-way valve; 15-graduation line; 16-a piston rod; 17-oil-water interface meter; 18-oil water interface instrument lead; 19-oil water interface instrument probe; 20-a sampling tube; 21-a liquid inlet of a sampling pipe; 22-a sampling pump; 23-sampling bottle; 24-a controller; 25-a bidirectional gas source pump; 26-gas supply pipe.
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 utility model discloses a novel pollution investigation groundwater sampling device, which is shown in figure 1 and comprises a controller 24, an oil-water interface instrument 17, an oil-water interface instrument lead 18, an oil-water interface instrument probe 19, a bidirectional gas source pump 25, a sampling pump 22, a sampling bottle 23, a sampling pipe liquid inlet 21 and a sampling pipe 20. The controller 24 is connected with a bidirectional air source pump 25, the bidirectional air source pump 25 is in a swinging piston 9 structure, and the pressure in the pump body is changed by swinging the piston 9 in the pump body. The bidirectional gas source pump 25 is connected with the sampling pump 22 through a gas supply pipe 26, and the other end of the sampling pump 22 is connected with a sampling bottle 23; the other end of the controller 24 is connected with a sampling pump 22, a sampling pipe 20 is arranged at the front end of the sampling pump 22, a liquid inlet of the sampling pipe 20 is formed in the top end of the sampling pipe 20, and the liquid inlet of the sampling pipe 20 and the oil-water interface instrument probe 19 are located at the same position. The other end of the oil-water interface instrument probe 19 is connected with an oil-water interface instrument lead 18, scales are arranged on the oil-water interface instrument lead 18, and the tail end of the oil-water interface instrument lead 18 is connected with an oil-water interface instrument 17.
For convenient storage, the sampling tube 20 is made of synthetic rubber with better explosion-proof performance, and the air tube is made of polyethylene.
In this embodiment, as shown in fig. 2, the sampling pump body 8 is provided with scale marks 15. The sampling pump body 8 is convenient to observe, and the sampling pump body 8 can be made of glass materials and also can be made of metal materials. Scale mark 15 adopts a plurality of scale markings to set up, and each scale corresponds the volume of sample, sets up like this and makes things convenient for people's audio-visual sample volume, is convenient for control.
As shown in fig. 3, the sampling pump is composed of a liquid outlet 1, a liquid outlet check valve 2, an outer liquid outlet pipe 3, a hand wheel 4, a bearing 5, a compressed air inlet 6, a liquid level sensing lead 7, a sampling pump body 8, a piston 9, a liquid level sensing probe 10, an air pipe 11, an inner liquid outlet pipe 12, a liquid inlet diaphragm 13, a liquid inlet check valve 14, a scale mark 15 and a piston rod 16. The sampling pump is provided with a liquid outlet 1 from top to bottom in sequence, the liquid outlet 1 is connected with a liquid outlet one-way valve 2, the liquid outlet one-way valve 2 is connected with a liquid outlet pipe 3, a threaded pipe is sleeved on the outer side of the liquid outlet pipe 3, a hand wheel 4 is arranged on the threaded pipe, the hand wheel 4 is connected with a piston rod 16 through a bearing 5, the hand wheel 4 is in threaded connection with the piston rod 16, and the tail end of the piston rod 16 is fixedly connected with a piston 9; the upper end of piston 9 is connected with liquid level sensing wire 7, the one end and the liquid level sensing probe 10 of liquid level sensing wire 7 are connected, the other end of liquid level sensing wire 7 is connected on compressed air inlet 6, compressed air inlet 6 installs the upper end at sampling pump body 8, liquid level sensing probe 10 is installed simultaneously in piston 9 lower part, still be provided with air hose 11 on piston 9, air hose 11 twines on piston rod 16, air hose 11's end and compressed air inlet 6 intercommunication, drain pipe 12 in the lower extreme of piston rod 16 is connected with, interior drain pipe 12 with the coaxial design of piston rod 16 adopts the sleeve pipe mode to connect. The tail end of the inner liquid outlet pipe 12 is connected with a liquid inlet one-way valve 14, a liquid inlet diaphragm 13 is arranged between the inner liquid outlet pipe 12 and the liquid inlet one-way valve 14, and the liquid inlet diaphragm is made of soft rubber.
When the probe of the oil-water interface instrument 17 contacts oil or water, different sounds are generated, so that the water level and the oil level are judged. The oil-water interface instrument 17 and the sampling pipe 20 are partially parallel and fixed in a clamping manner in the well, and the liquid inlet 21 of the sampling pipe and the probe 19 of the oil-water interface instrument are positioned at the same position. The oil-water interface instrument lead 18 is provided with scales, and the probe and the liquid inlet of the sampling pipe 20 are placed into a preset underground water sampling position in the well through the scales on the lead. And after the water level is stable, sampling is started.
The hand wheel 4 is connected with a piston rod 16 through a bearing 5, the piston rod 16 is connected with the piston 9, the hand wheel 4 is rotated, the piston rod 16 moves up and down along with the hand wheel, the piston 9 is driven to move up and down, and therefore the space below the piston 9 is changed. The sampling pump body 8 is internally provided with scale marks 15, the hand wheel 4 is rotated, and the volume of the space at the lower part of the piston 9 is the pre-sampling sample volume according to the scale marks 15.
In this embodiment, the probe and the liquid inlet of the sampling tube 20 are first placed into a predetermined groundwater sampling position in the well through the scale on the conducting wire. After the water level is stable, the hand wheel 4 is rotated, and the volume of the space at the lower part of the piston 9 is the volume of the pre-sampling sample according to the scale mark 15. Then, the controller 24 is started and set to be in an automatic operation mode, the bidirectional air source pump 25 is started through the controller 24, and when the bidirectional air source pump 25 is in a negative pressure operation mode, air in the air supply pipe 26 is sucked into the pump body, so that negative pressure is formed in the sampling pump body 8; when the bi-directional air source pump 25 is operated in a positive pressure mode, the pump body discharges air to the air supply pipe 26, so that positive pressure is formed in the sampling pump body 8. The controller 24 is started and set to be in an automatic operation mode, the bidirectional air source pump 25 is started through the controller 24, the air source pump is in a negative pressure operation mode, the space below the piston 9 of the sampling pump body 8 is made to be negative pressure through the air supply pipe 26, a gap is formed between the liquid inlet diaphragm 13 at the bottom of the pump and the bottom of the pump body, the liquid inlet one-way valve 14 at the lower part of the sampling pump 22 is opened under the action of the negative pressure, and underground water enters the pump body through the liquid inlet and the gap between the oil inlet diaphragm and the pump body. Treat that the water sample is full of piston 9 lower part space, liquid level sensing probe 10 in piston 9 lower part detects the liquid level, with signal transfer to controller 24, controller 24 control two-way air supply pump 25 changes to the malleation mode of operation, make the space of sampling pump body 8 piston 9 below be the malleation through air supply pipe 26 line, pump bottom inlet diaphragm 13 compresses tightly under the malleation with pump body bottom, liquid enters into interior drain pipe 12 in the middle of the pump body to discharge to in sampling bottle 23 through liquid outlet check valve 2 on pump body upper portion. And when the set emptying time is reached and the liquid is emptied, the controller 24 closes the bidirectional air source pump 25 to finish sampling. If the first sampling amount does not reach the set sampling amount, the controller 24 will start the bidirectional air pump 25 again to start the next sampling cycle until the set sampling amount is reached.
Further, in some embodiments, an electromagnetic valve may be used instead of the hand wheel 4, and the sampling amount is controlled by the hand wheel 4, and the up-and-down movement of the rod of the piston 9 is controlled by the electromagnetic valve to reach the set volume. Thereby increasing the level of automation.
Further, in some embodiments, the bottom of the cartridge body and the cartridge body may instead be flanged to facilitate cleaning of the cartridge body.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a novel pollute investigation groundwater sampling device which characterized in that: the sampling device comprises an oil-water interface instrument, a sampling pump, a bidirectional gas source pump, a sampling bottle and a controller, wherein one end of the controller is connected with the bidirectional gas source pump, the bidirectional gas source pump is connected with the sampling pump through a gas supply pipe, and the other end of the sampling pump is connected with the sampling bottle; the other end and the sampling pump of controller are connected, and wherein, the sampling pipe has been seted up to the front end of sampling pump, the top of sampling pipe is provided with the sampling pipe inlet, the sampling pipe inlet is located same position with oil water interface appearance probe, the other end and the oil water interface appearance wire of oil water interface appearance probe are connected, be equipped with the scale on the oil water interface appearance wire, the end-to-end connection of oil water interface appearance wire has oil water interface appearance.
2. The novel pollution investigation groundwater sampling device according to claim 1, wherein: the sampling pump sequentially comprises a liquid outlet, a liquid outlet one-way valve, an outer liquid outlet pipe, a hand wheel, a bearing, a compressed air inlet, a liquid level sensing wire, a sampling pump body, a piston, a liquid level sensing probe, an air pipe, an inner liquid outlet pipe, a liquid inlet diaphragm, a liquid inlet one-way valve, a scale mark and a piston rod from top to bottom, wherein the liquid outlet is connected with the liquid outlet one-way valve, the liquid outlet one-way valve is connected with the outer liquid outlet pipe, the outer side of the outer liquid outlet pipe is sleeved with a threaded pipe, the hand wheel is arranged on the threaded pipe and is connected with the piston rod through the bearing, the piston rod is connected with the piston, the upper end of the piston is connected with the liquid level sensing wire, one end of the liquid level sensing wire is connected with the liquid level sensing probe, the other end of the liquid level sensing wire is connected with the compressed air inlet, and the compressed air inlet is arranged at the upper end of the sampling pump body, the liquid level sensing probe is simultaneously installed on the piston, the piston is further provided with an air pipe, the air pipe is wound on the piston rod, the tail end of the air pipe is communicated with the compressed air inlet, the lower end of the piston rod is connected with an inner liquid outlet pipe, the tail end of the inner liquid outlet pipe is connected with a liquid inlet one-way valve, and a liquid inlet diaphragm is arranged between the inner liquid outlet pipe and the liquid inlet one-way valve.
3. The novel pollution investigation groundwater sampling device according to claim 2, wherein: the liquid inlet membrane is made of soft rubber.
4. The novel pollution investigation groundwater sampling device according to claim 1, wherein: and the oil-water interface instrument lead and the sampling pipe are parallel and fixed in a clamping manner in the well.
5. The novel pollution investigation groundwater sampling device according to claim 1, wherein: the sampling pipe is the synthetic rubber material that has explosion-proof performance, the air supply pipe is the polyethylene material.
6. The novel pollution investigation groundwater sampling device according to claim 1, wherein: the bottom of the sampling pump cylinder body and the sampling pump cylinder body are connected through flanges.
7. The novel pollution investigation groundwater sampling device according to claim 2, wherein: the hand wheel is replaced by an electromagnetic valve, and the piston rod is controlled to move up and down to a set volume through the electric valve.
8. The novel pollution investigation groundwater sampling device according to claim 1, wherein: the sampling pump is characterized in that scale marks are arranged in the sampling pump body, and the sampling pump body is made of glass or metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121528043.9U CN215894101U (en) | 2021-07-06 | 2021-07-06 | Novel pollution investigation groundwater sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121528043.9U CN215894101U (en) | 2021-07-06 | 2021-07-06 | Novel pollution investigation groundwater sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215894101U true CN215894101U (en) | 2022-02-22 |
Family
ID=80345162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121528043.9U Active CN215894101U (en) | 2021-07-06 | 2021-07-06 | Novel pollution investigation groundwater sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215894101U (en) |
-
2021
- 2021-07-06 CN CN202121528043.9U patent/CN215894101U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208420455U (en) | A kind of water body environment detection water source sampler | |
| CN111337310A (en) | Full-automatic water sample collector | |
| CN205352770U (en) | Water sample automatic acquisition controlling means suitable for buoy uses | |
| CN215894101U (en) | Novel pollution investigation groundwater sampling device | |
| CN110658025A (en) | Underground water low-speed automatic sampling device | |
| CN208443605U (en) | A kind of Portable water sampler | |
| CN109738036B (en) | Automatic volume-dividing rainwater runoff detection and sampling device | |
| CN209247683U (en) | A kind of automatic control oxygen consumption rate detection device | |
| CN110080756A (en) | A kind of dedicated well-flushing sampling pump of Techniques of Underground Water Environment Monitoring Well and well-flushing sampling method | |
| CN212159201U (en) | Full-automatic water sample collector | |
| CN113654848A (en) | Petrochemical industry sewage sampling collector | |
| CN114062626A (en) | Buried resident domestic sewage discharge rule testing system and testing method thereof | |
| CN112781655A (en) | Drilling mud performance multi-parameter measuring device | |
| CN207408161U (en) | The disposable automatic subpackaging sampler bag of hydrology-water quality | |
| CN107014644B (en) | Urban road surface runoff collection system | |
| CN117330723B (en) | Automatic sewage measuring device | |
| CN214277780U (en) | Device for automatically measuring desorption gas volume by drainage method | |
| CN214200204U (en) | Drilling mud performance multi-parameter measuring device | |
| CN204479130U (en) | Gas-metering device | |
| CN218823802U (en) | Road surface seepage testing machine | |
| CN219956666U (en) | Water meter metering and calibrating device | |
| CN211317897U (en) | Static water tank for collecting gas on surface of water body | |
| CN214495705U (en) | Special quantitative loading device of oil | |
| CN211627066U (en) | Portable environmental detection sewage collection system | |
| CN213632795U (en) | Quantitative sewage collection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |