CN210051587U - Pneumatic underground water stratified sampling device - Google Patents
Pneumatic underground water stratified sampling device Download PDFInfo
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- CN210051587U CN210051587U CN201920480832.6U CN201920480832U CN210051587U CN 210051587 U CN210051587 U CN 210051587U CN 201920480832 U CN201920480832 U CN 201920480832U CN 210051587 U CN210051587 U CN 210051587U
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Abstract
The utility model discloses a pneumatic formula groundwater layering sampling device, it includes: sampling device, monitoring devices and sealing device, this sampling device and this monitoring devices are multiunit and quantity correspondence, sampling device and monitoring devices match and arrange at corresponding aquifer, sealing device is many sets, the setting that every set of sealing device corresponds is at the water stopping layer, this sampling device includes the gasbag pump, intake pipe and outlet pipe are connected to this gasbag pump, this monitoring devices includes monitor and data line, this sealing device includes from inflation packer, this from inflation packer cover is established on the outlet pipe and is fixed at the outlet pipe through tray anchor clamps group, sampling device's intake-tube connection pressure controller, sampling device's outlet pipe intercommunication water sample storage device, monitoring devices's data line connection personal computer, sampling device passes through the well head anchor clamps to be fixed at the well head. The utility model discloses the easy-to-wear spare is few, and the operation is reliable, and compressed gas does not contact with the water sample, has reduced the pollution to the water sample.
Description
Technical Field
The utility model belongs to groundwater pollution monitoring and prevention and cure field especially relates to a gas formula groundwater layering sampling device.
Background
The underground water is used as an important drinking water source, particularly in the Jingjin Ji area, the proportion of the underground water in the drinking water is more than 70 percent, and the protection work is particularly important. As a basic link in a groundwater pollution monitoring network, sampling and monitoring equipment is one of the key links for determining the accuracy of groundwater pollution monitoring.
The traditional sampling mode of the single mixed layer is greatly influenced by seasonal change of the flow direction of underground water or precipitation fluctuation, and large-area falling funnels exist in the underground water in Jingjin Ji area, the fluctuation is obviously influenced by the precipitation, the chemical field of the underground water is obviously influenced, and serious deviation can be generated on the pollution plume and the pollution degree description of the underground water. Therefore, layered sampling and monitoring of different depths of the same sampling point can more accurately and reliably monitor and verify the actual migration characteristics of the contaminants.
Meanwhile, the existing domestic common underground water sampling equipment mainly comprises a Beller tube, a grabbing type sampler, a negative pressure lifting type sampler, a high-power electric submersible pump, an inertia lifting pump and the like, wherein a sampling part repeatedly passes through a water-bearing stratum or intensively stirs the water-bearing stratum in the sampling process, so that the disturbance on the underground water layer is large, organic pollutants contained in water volatilize, the cross contamination of underground water samples in different stratums or among the water-bearing strata is caused, and the obtained water samples are not enough to represent the actual pollution condition of a certain depth.
Therefore, in order to realize layered sampling at different depths of the same sampling point and more accurately know and verify the actual migration characteristics of pollutants, the research and development of the pneumatic underground water layered sampling device are urgently needed, the technical level of underground water pollution monitoring in China is improved, and technical support and equipment guarantee are provided for building a Jingjin Ji underground water pollution monitoring network.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pneumatics formula groundwater layering sampling device, for traditional sampling method, its easy-to-damage spare is few, and the operation is reliable, and compressed gas does not contact with the water sample, has reduced the pollution to the water sample.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an air-set type underground water stratified sampling device, comprising: sampling device, monitoring devices and sealing device, this sampling device and this monitoring devices are multiunit and quantity correspondence, sampling device and monitoring devices match and arrange at corresponding aquifer, sealing device is many sets, the setting that every set of sealing device corresponds is at the water stopping layer, this sampling device includes the gasbag pump, intake pipe and outlet pipe are connected to this gasbag pump, this monitoring devices includes monitor and data line, this sealing device includes from inflation packer, this from inflation packer cover is established on the outlet pipe and is fixed at the outlet pipe through tray anchor clamps group, the intake-tube connection pressure controller of each group of sampling device, sampling device's outlet pipe intercommunication water sample storage device, monitoring devices's data line connects personal computer, this sampling device passes through the well head anchor clamps to be fixed at the well head.
Preferably, sampling device is three groups, is the first sampling device that top-down arranged respectively, the second sampling device of group and the third sampling device of group, monitoring device is three groups, is the first monitoring device that top-down arranged respectively, the second monitoring device of group and the third monitoring device of group, water stop device is two sets, is the first stagnant water device of group and the second stagnant water device of group that top-down arranged respectively, and this first stagnant water device of group includes first self-expanding packer and double-barrelled tray anchor clamps group, and this second stagnant water device of group includes that the second is self-expanding packer and single-barrelled tray anchor clamps group, first sampling device of group and first monitoring device of group are located the top of first stagnant water device of group, and second sampling device of group and second monitoring device of group pass first stagnant water device of group and lie in between first stagnant water device of group and the second stagnant water device of group, and third sampling device of group and third monitoring device of group pass first stagnant water device of group Under the second water stopping device.
Preferably, the self-expansion packer is a water-swelling rubber cylinder or a rubber belt, the first self-expansion packer is provided with a plurality of through holes for the water outlet pipe and the air inlet pipe of the second group of sampling devices, the data line of the second group of monitoring devices, the water outlet pipe and the air inlet pipe of the third group of sampling devices and the data line of the third group of monitoring devices to correspondingly penetrate, and the second self-expansion packer is provided with a plurality of through holes for the water outlet pipe and the air inlet pipe of the third group of sampling devices and the data line of the third group of sampling devices to correspondingly penetrate.
Preferably, the double-tube tray clamp group comprises a double-tube upper tray clamp and a double-tube lower tray clamp which have the same structure, the double-tube upper tray clamp and the double-tube lower tray clamp are respectively and correspondingly fixed on the water inlet pipes of a first group of sampling devices and the water inlet pipes of a second group of sampling devices on the upper end surface and the lower end surface of a first self-expansion packer, so that the first self-expansion packer is clamped between the double-tube upper tray clamp and the double-tube lower tray clamp, the double-tube upper tray clamp comprises two split semi-tray clamp bodies, each semi-tray clamp body comprises a semi-limiting supporting plate and a semi-pipe clamping plate, each semi-pipe clamping plate is correspondingly and fixedly connected to the top wall of each semi-limiting supporting plate, the bottom wall surface of each semi-limiting supporting plate is pressed against the upper end surface of the first self-expansion packer, each semi-limiting supporting plate is provided with two spaced arc-shaped slots A and a plurality of through holes through which, this half pipe body splint include two arc splint A that link to each other, are equipped with the internal connection board between two arc splint A's the inboard, and the external connection board is connected respectively in two arc splint A's the outside, and the internal face one-to-one of two arc slot A's of this semi-spacing layer board and two arc splint A all is equipped with the perforation that supplies the bolt to wear to establish on this internal connection board and this external connection board.
Preferably, the single-tube tray clamp group comprises a single-tube upper tray clamp and a single-tube lower tray clamp which have the same structure, the single-tube upper tray clamp and the single-tube lower tray clamp are respectively and correspondingly fixed on water inlet pipes of a second group of sampling devices on the upper end surface and the lower end surface of a second self-expansion packer, so that the second self-expansion packer is clamped between the single-tube upper tray clamp and the single-tube lower tray clamp, the single-tube upper tray clamp comprises two split half-tray clamp units, each half-tray clamp unit comprises a single-tube half-limit supporting plate and a single-tube half-tube clamping plate, each single-tube half-tube clamping plate is correspondingly and fixedly connected to the top wall of the single-tube half-limit supporting plate, the bottom wall surface of each single-tube half-limit supporting plate is pressed against the upper end surface of the second self-expansion packer, and each single-tube half-limit supporting plate is provided with an arc-shaped slot, this half pipe body splint of single tube includes an arc splint B, and the both sides of this arc splint B are equipped with the connecting plate respectively, and the wall of the arc slot B of this half spacing layer board of single tube corresponds with the internal face of arc splint B, all is equipped with the perforation that supplies the bolt to wear to establish on each this connecting plate.
Preferably, the wellhead fixture comprises a tray, a hole for the water outlet pipe, the air inlet pipe and the data line to pass through is formed in the tray, the aperture of the wellhead fixture passing through the water outlet pipe is consistent with the outer diameter of the water outlet pipe, the outer diameter of the female buckle connector of the water outlet pipe is larger than the aperture of the corresponding hole of the wellhead fixture, and the female buckle connector of the water outlet pipe is clamped above the wellhead fixture.
The utility model has the advantages that:
1) the utility model discloses gas formula groundwater layering sampling device passes through gas extrusion gasbag collection water sample, and compressed gas does not contact with the water sample, has reduced the pollution to the water sample to sampling rate is low (1-5L/min), and is less to groundwater aquifer disturbance, can satisfy inorganic component, organic component, microorganism, dissolved oxygen etc. and detect sample acquisition requirement, can acquire the groundwater sample that has each layer representativeness from the monitoring well by complete efficient.
2) The utility model discloses the easy-to-wear spare of pneumatic formula groundwater layering sampling device is few, simple to operate, and the operation is reliable.
3) The utility model discloses gas-filled formula groundwater layering sampling device can gather different aquifer water samples from single drilling, can effectively save drilling area and construction cost.
4) The utility model discloses pneumatic formula groundwater layering sampling device is suitable for the degree of depth and is within 120 m.
Drawings
Fig. 1 is a schematic structural diagram of the pneumatic underground water stratified sampling device of the present invention.
FIG. 2A is a schematic front view of a first self-inflating packer.
Fig. 2B is a schematic top view of the structure of fig. 2A.
FIG. 2C is a schematic front view of a second self-inflating packer.
Fig. 2D is a schematic top view of the structure of fig. 2C.
FIG. 3A is a schematic front view of a half-pallet clamp body;
FIG. 3B is a schematic top view of two half-pallet clamp bodies
FIG. 3C is a front view of the half pallet clamp unit;
fig. 3D is a schematic top view of the two half-pallet clamp units mated together.
1: sampling device, 11: air bag pump, 12: an intake pipe, 13: water outlet pipe, 14: pressure controller, 15: water sample storage device, 2: monitoring device, 21: monitoring probe, 22: data line, 23: personal computer, 3: water stop device, 31: first self-inflating packer, 32: two-pipe pallet clamp group, 32A: half pallet clamp body, 321: semi-limiting supporting plate, 322: half-tube clamp plate, 323: arc slot a, 324: arc splint a, 325: inner connecting plate, 326: outer connecting plate, 33: second self-inflating packer, 34: single tube pallet clamp set, 34A: half pallet clamp unit, 341: single tube half-stop pallet, 342: single-tube half-tube clamp plate, 343: arc slot B, 344: arc-shaped splints B, 345: connecting plate, 10: aqueous layer, 20: water-stopping layer, 4: a wellhead fixture.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model provides a pneumatic underground water stratified sampling device, it includes: the sampling device 1, the monitoring device 2 and the water stopping device 3, the sampling device 1 and the monitoring device 2 are in a plurality of groups and have the same quantity, one group of sampling device and one group of monitoring device are arranged in the same aquifer 10, the water stopping device 3 is in a plurality of groups, each group of water stopping device 3 is correspondingly arranged in the water stopping layer 20, the sampling device 1 comprises an air bag pump 11, an air inlet pipe 12 and an water outlet pipe 13, wherein the air bag pump 11 corresponds to the aquifer 10, the air bag pump 11 is connected with an air inlet pipe 12 and an water outlet pipe 13, the monitoring device 2 comprises a monitoring probe 21 and a data line 22, the monitoring probe 21 corresponds to the aquifer 10, the water stopping device 3 comprises a self-expansion packer, the self-expansion packer corresponds to the water stopping layer 20, the self-expansion packer is sleeved on the water outlet pipe 11 and is fixed on the water outlet pipe 11 through a tray clamp group, the air inlet pipe 1 of each group of sampling devices is connected with a pressure controller 14, and the pressure controller 14 adjusts the sampling rate by converting air pressure; the water outlet pipe of the sampling device is communicated with a water sample storage device 15, the data line of the monitoring device is connected with a personal computer 23, and the sampling device is fixed at a wellhead through a wellhead clamp 4.
The sampling device is three groups, is the first sampling device, the second sampling device and the third sampling device of group that top-down arranged respectively, monitoring devices is three groups, is the first monitoring device, the second monitoring device and the third monitoring device of group that top-down arranged respectively, the stagnant water device is two sets, is the first set of stagnant water device and the second set of stagnant water device that top-down arranged respectively, and this first set of stagnant water device includes first self-expanding packer 31 and double-barrelled tray anchor clamps group 32, and this second set of stagnant water device includes second self-expanding packer 33 and single-barrelled tray anchor clamps group 34, first set of sampling device and first set of monitoring device are located the top of first set of stagnant water device, and second set of sampling device and second set of monitoring device pass first set of stagnant water device and are located between first set of stagnant water device and the second set of stagnant water device, and third set of sampling device and third monitoring device pass first set of stagnant water device and second set of stagnant water device Under the second water stopping device.
The self-expansion packer is a water-swelling rubber cylinder or a rubber belt, and can be used for permanent packing, the mounting position corresponds to the water stopping position of a drill hole, as shown in fig. 2A and fig. 2B, a through hole for the water outlet pipe and the air inlet pipe of the second group of sampling devices to pass through is arranged on the first self-expansion packer, a through hole for the data line of the second group of monitoring devices to pass through is arranged on the first self-expansion packer, a through hole for the water outlet pipe and the air inlet pipe of the third group of sampling devices to pass through and a through hole for the data line of the third group of monitoring devices to pass through are arranged on the second self-expansion packer, as shown in fig. 2C and fig. 2D, a through hole for the water outlet pipe and the air inlet. The self-expansion packer needs to be provided with the number of holes in advance according to the number of the air inlet pipe, the water outlet pipe and the data line which penetrate through the self-expansion packer, and the diameter of each hole is suitable for penetrating through the air inlet pipe, the water outlet pipe and the data line and guaranteeing the packing effect.
The double-tube tray clamp group comprises a double-tube upper tray clamp and a double-tube lower tray clamp which have the same structure, the double-tube upper tray clamp and the double-tube lower tray clamp are correspondingly clamped on a water inlet pipe 11 of a first group of sampling devices and a water inlet pipe 11 of a second group of sampling devices above and below a first self-expansion packer respectively so that the first self-expansion packer is clamped between the double-tube upper tray clamp and the double-tube lower tray clamp and corresponds to a water stop layer, as shown in figures 3A and 3B, the double-tube upper tray clamp comprises two split half tray clamp bodies 32A, each half tray clamp body comprises a half limit supporting plate 321 and a half tube clamping plate 322, each half tube clamping plate 322 is correspondingly fixedly connected to the top wall of each half limit supporting plate 321, the bottom wall surface of each half limit supporting plate presses against the upper end surface of the first self-expansion packer, each half limit supporting plate 321 is provided with two spaced arc-shaped slots A323, a water supply and discharge pipe, and a water supply and discharge pipe, Several through-hole that intake pipe and data line passed, this half body splint 712 includes two arc splint a324 that link to each other, be equipped with interior connecting plate 325 between the inboard of two arc splint a324, outer joint plate 326 is connected respectively in the outside of two arc splint a324, the wall of two arc slot a of this half spacing layer board and two arc splint a's internal face one-to-one, all be equipped with the perforation that supplies the bolt to wear to establish on this interior connecting plate and this outer joint plate, during the installation, two half pallet anchor clamps body docks, its half spacing layer board is pressed and is supported the terminal surface at first self-expanding packer, then link firmly through the bolt, realize the fixed of first self-expanding packer promptly.
The single pipe tray clamp group comprises a single pipe upper tray clamp and a single pipe lower tray clamp which have the same structure, the single pipe upper tray clamp and the single pipe lower tray clamp are respectively and correspondingly fixed on the water inlet pipes of a second group of sampling devices above and below a second self-expansion packer, so that the second self-expansion packer is clamped between the single pipe upper tray clamp and the single pipe lower tray clamp, as shown in figures 3C and 3D, the single pipe upper tray clamp comprises two split half tray clamp units 34A, each half tray clamp unit 34A comprises a single pipe half limiting supporting plate 341 and a single pipe half pipe clamping plate 342, the single pipe half pipe clamping plate corresponds to the top wall of the single pipe half limiting supporting plate, the bottom wall surface of the single pipe half limiting supporting plate is pressed against the upper end surface of the second self-expansion packer, the single pipe half limiting supporting plate is provided with an arc-shaped slot B343 and a plurality of through holes for the water supply and discharge pipe, the air inlet pipe and the data line to pass through, this half pipe body splint of single tube includes an arc splint B344, and the both sides of this arc splint B are equipped with connecting plate 345 respectively, and the wall of the arc slot B of half spacing layer board of this single tube corresponds with arc splint B's internal face, all is equipped with the perforation that supplies the bolt to wear to establish on each this connecting plate, and during the installation, two half pallet anchor clamps units 34A dock, and the half spacing layer board of its single tube is pressed and is supported the terminal surface at the second from inflation packer, then links firmly through the bolt, can realize the second from inflation packer's fixed.
Well head anchor clamps 4 include the tray, set up the hole that supplies outlet pipe, intake pipe and data line to pass on this tray, and the aperture that passes this well head anchor clamps of outlet pipe is unanimous with the external diameter of this outlet pipe, and the box joint external diameter of this outlet pipe is greater than the aperture that well head anchor clamps correspond the hole, and the box joint card of this outlet pipe is in the top of this well head anchor clamps.
The water outlet pipes are formed by connecting a plurality of water outlet pipes through male and female screw threads and are sealed through O-shaped rings.
The pneumatic underground water layered sampling device can be used for pipe wells and bedrock holes, and is used for the pipe wells on the premise that layered water stopping is required to be carried out outside the pipes.
The utility model also provides a gas formula groundwater layering sampling method utilizes foretell gas formula groundwater layering sampling device, and it includes following step:
A. and determining the number of sampling devices to be installed according to the layered sampling requirement of the drill hole. From bottom to top, at first go into first set of sampling device (bottommost), with gasbag pump and intake pipe, go into the well after going out water piping connection, and install first self-expanding packer in corresponding bottommost stagnant water position department, be fixed in on the outlet pipe with single-tube tray anchor clamps group, after the installation is accomplished, continue to go into first set of sampling device down, after putting the prepositioning, with the gasbag pump and the intake pipe of second set of sampling device, go out water piping connection, go into the well with first set of sampling device together, and install second self-expanding packer in corresponding stagnant water position, be fixed in on the outlet pipe with double-barrelled tray anchor clamps group, so on, until all go into the well down, be fixed in the well head with pneumatic formula groundwater stratification sampling device with anchor clamps.
B. After the installation is finished, standing for 48-72 h, after the self-expansion packer is completely expanded, connecting inspection equipment and a pipeline system, opening pressure supply equipment and a pressure controller after a valve and an instrument are normal, enabling an air bag pump to start working, firstly adjusting the flow of the air bag pump to be maximum through the pressure controller, displacing an original mixed water sample in a well pipe, observing the water quality and water level change through a monitoring probe and surface display equipment, and adjusting the flow to be minimum through the pressure controller after a true water sample of a stratum is judged, and collecting the water sample. And after the water pumping operation is finished, the pressure supply equipment is closed to stop the sampling operation of the air bag pump, and the surface display equipment is closed.
The mechanism of the pneumatic underground water stratified sampling device and method of the utility model is as follows: the water-bearing layers are permanently separated by a self-expansion packer, water enters the air bag cavity through a water inlet at the bottom of the air bag pump under the action of water pressure, a water inlet check valve is closed after the cavity is filled with water, compressed gas is injected between the pump body and the air bag to squeeze the air bag, the water is discharged from a water outlet along a water outlet pipeline, gas is released, the air bag cavity is filled with water again, and the steps are repeated until a water sample is collected to the water sample storage device. The device and the method are used for collecting the water sample, the disturbance to the stratum is small, the gas is not contacted with the water sample, the pollution to the water sample is avoided, the collection requirements of detection samples such as inorganic components, organic components, microorganisms and dissolved oxygen are met, and the technical support is provided for underground water monitoring and pollution prevention.
Claims (6)
1. The utility model provides a pneumatic formula groundwater layering sampling device which characterized in that: it includes: sampling device, monitoring devices and sealing device, this sampling device and this monitoring devices are multiunit and quantity correspondence, sampling device and monitoring devices match and arrange at corresponding aquifer, sealing device is many sets, the setting that every set of sealing device corresponds is at the water stopping layer, this sampling device includes the gasbag pump, intake pipe and outlet pipe are connected to this gasbag pump, this monitoring devices includes monitor and data line, this sealing device includes from inflation packer, this from inflation packer cover is established on the outlet pipe and is fixed at the outlet pipe through tray anchor clamps group, sampling device's intake-tube connection pressure controller, sampling device's outlet pipe intercommunication water sample storage device, monitoring devices's data line connection personal computer, sampling device passes through the well head anchor clamps to be fixed at the well head.
2. The pneumatic subsurface water stratification sampling device of claim 1, wherein: sampling device is three groups, is the first sampling device, the second sampling device and the third sampling device of group that top-down arranged respectively, monitoring devices is three groups, is the first monitoring device, the second monitoring device and the third monitoring device of group that top-down arranged respectively, the stagnant water device is two sets, is the first set of watertight fittings and the second set of watertight fittings that top-down arranged respectively, and this first set of watertight fittings includes first from inflation packer and double-barrelled tray anchor group, and this second set of watertight fittings includes that the second is from inflation packer and single-barrelled tray anchor group, first set of sampling device and first set of monitoring device are located the top of first set of watertight fittings, and second set of sampling device and second set of monitoring device pass first set of watertight fittings and are located between first set of watertight fittings and the second set of watertight fittings, and third sampling device and third set of monitoring device pass first set of watertight fittings and second set of stagnant water device is located the second set of watertight fittings And the lower part of the water stopping device.
3. The pneumatic subsurface water stratification sampling device of claim 2, wherein: the self-expansion packer is a water-swelling rubber cylinder or a rubber belt, the first self-expansion packer is provided with a plurality of through holes for the water outlet pipe and the air inlet pipe of the second group of sampling devices, the data line of the second group of monitoring devices, the water outlet pipe and the air inlet pipe of the third group of sampling devices and the data line of the third group of monitoring devices to correspondingly penetrate, and the second self-expansion packer is provided with a plurality of through holes for the water outlet pipe and the air inlet pipe of the third group of sampling devices and the data line of the third group of sampling devices to correspondingly penetrate.
4. A pneumatic groundwater stratification sampling device as claimed in claim 2 or 3, wherein: the double-tube tray clamp group comprises a double-tube upper tray clamp and a double-tube lower tray clamp which have the same structure, the double-tube upper tray clamp and the double-tube lower tray clamp are respectively and correspondingly fixed on the water inlet pipe of a first group of sampling devices and the water inlet pipe of a second group of sampling devices on the upper end surface and the lower end surface of a first self-expansion packer, so that the first self-expansion packer is clamped between the double-tube upper tray clamp and the double-tube lower tray clamp, the double-tube upper tray clamp comprises two split semi-tray clamp bodies, each semi-tray clamp body comprises a semi-limiting supporting plate and a semi-tube clamping plate, each semi-tube clamping plate is correspondingly and fixedly connected to the top wall of the semi-limiting supporting plate, the bottom wall surface of each semi-limiting supporting plate is pressed against the upper end surface of the first self-expansion packer, each semi-limiting supporting plate is provided with two spaced arc-shaped inserting grooves A and a plurality of through holes through which water supply and water supply pipes, air inlet pipes and, an inner connecting plate is arranged between the inner sides of the two arc-shaped clamping plates A, the outer sides of the two arc-shaped clamping plates A are respectively connected with an outer connecting plate, the wall surfaces of the two arc-shaped slots A of the semi-limiting supporting plate are in one-to-one correspondence with the inner wall surfaces of the two arc-shaped clamping plates A, and through holes for bolts to penetrate through are formed in the inner connecting plate and the outer connecting plate.
5. The pneumatic subsurface water stratification sampling device of claim 4, wherein: the single-tube tray clamp group comprises a single-tube upper tray clamp and a single-tube lower tray clamp which have the same structure, the single-tube upper tray clamp and the single-tube lower tray clamp are respectively and correspondingly fixed on water inlet pipes of a second group of sampling devices on the upper end surface and the lower end surface of a second self-expansion packer, so that the second self-expansion packer is clamped between the single-tube upper tray clamp and the single-tube lower tray clamp, the single-tube upper tray clamp comprises two split half-tray clamp units, each half-tray clamp unit comprises a single-tube half-limiting supporting plate and a single-tube half-tube clamping plate, each single-tube half-tube clamping plate is correspondingly and fixedly connected to the top wall of each single-tube half-limiting supporting plate, the bottom wall surface of each single-tube half-limiting supporting plate is pressed against the upper end surface of the second self-expansion packer, each half-tube half-limiting supporting plate is provided with an arc-shaped slot B and a plurality of through holes for passing water supply and, the two sides of the arc-shaped clamping plate B are respectively provided with a connecting plate, the wall surface of the arc-shaped slot B of the single-tube semi-limiting supporting plate corresponds to the inner wall surface of the arc-shaped clamping plate B, and each connecting plate is provided with a through hole for the bolt to penetrate through.
6. An air-mounted groundwater stratification sampling device as claimed in claim 1 or 5, wherein: the well head anchor clamps include the tray, set up the hole that supplies outlet pipe, intake pipe and data line to pass on this tray, and the aperture that passes this well head anchor clamps of outlet pipe is unanimous with the external diameter of this outlet pipe, and the box joint external diameter of this outlet pipe is greater than the aperture that the well head anchor clamps correspond the hole, and the box joint card of this outlet pipe is in the top of this well head anchor clamps.
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| CN201920480832.6U CN210051587U (en) | 2019-04-10 | 2019-04-10 | Pneumatic underground water stratified sampling device |
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| CN201920480832.6U CN210051587U (en) | 2019-04-10 | 2019-04-10 | Pneumatic underground water stratified sampling device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729948A (en) * | 2020-12-22 | 2021-04-30 | 华南理工大学 | Groundwater VOCs's sampling device |
| CN112924232A (en) * | 2021-03-08 | 2021-06-08 | 中国人民解放军63653部队 | Four-channel gas-driven type underground water continuous sampling device |
| CN114486380A (en) * | 2022-02-09 | 2022-05-13 | 四川省郫县豆瓣股份有限公司 | Thick broad-bean sauce fermentation cylinder is with high efficiency sampling equipment |
| CN114660254A (en) * | 2022-04-01 | 2022-06-24 | 中国地质调查局水文地质环境地质调查中心 | In-situ layered online monitoring system and prediction method for field groundwater pollution |
| CN116609136A (en) * | 2023-07-20 | 2023-08-18 | 深圳市深勘工程咨询有限公司 | Multi-aquifer groundwater sampling monitoring equipment |
| WO2024113943A1 (en) * | 2022-12-02 | 2024-06-06 | 中山柏生科技有限公司 | Sampling apparatus |
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2019
- 2019-04-10 CN CN201920480832.6U patent/CN210051587U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729948A (en) * | 2020-12-22 | 2021-04-30 | 华南理工大学 | Groundwater VOCs's sampling device |
| CN112924232A (en) * | 2021-03-08 | 2021-06-08 | 中国人民解放军63653部队 | Four-channel gas-driven type underground water continuous sampling device |
| CN114486380A (en) * | 2022-02-09 | 2022-05-13 | 四川省郫县豆瓣股份有限公司 | Thick broad-bean sauce fermentation cylinder is with high efficiency sampling equipment |
| CN114660254A (en) * | 2022-04-01 | 2022-06-24 | 中国地质调查局水文地质环境地质调查中心 | In-situ layered online monitoring system and prediction method for field groundwater pollution |
| WO2024113943A1 (en) * | 2022-12-02 | 2024-06-06 | 中山柏生科技有限公司 | Sampling apparatus |
| CN116609136A (en) * | 2023-07-20 | 2023-08-18 | 深圳市深勘工程咨询有限公司 | Multi-aquifer groundwater sampling monitoring equipment |
| CN116609136B (en) * | 2023-07-20 | 2023-10-20 | 深圳市深勘工程咨询有限公司 | Multi-aquifer groundwater sampling monitoring equipment |
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