CN213397814U

CN213397814U - Underground water layered sampling device

Info

Publication number: CN213397814U
Application number: CN202022699635.9U
Authority: CN
Inventors: 夏甫; 韩旭; 苏胜男
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-06-08
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a groundwater layering sampling device relates to groundwater sampling device field, including the sampling pipe, the inside a plurality of water storage chambeies that set up of sampling pipe, it is a plurality of water storage chamber top sets up the water inlet, water inlet top slidable embolism, per two connect through electric putter between the embolism, the sampling pipe top sets up the rope. Contrast prior art, the beneficial effects of the utility model reside in that: can be to groundwater stratified sampling, and the in-process of sample can not mix and get into different degree of depth water layer water samples.

Description

Underground water layered sampling device

Technical Field

The utility model relates to a groundwater sampling device field specifically is a groundwater layering sampling device.

Background

In recent years, in-situ remediation and risk management and control of soil and underground water, in particular, are being retried, and corresponding in-situ remediation technologies and equipment are also paid more and more attention by researchers. Monitoring well construction and underground water sampling monitoring are often carried out in the in-situ soil and underground water restoration process, and the monitoring well is used for judging the pollution removal conditions of different stratums in the restoration process; or in the field adjusting process, the device is used for monitoring the pollution condition of groundwater in different depths in a field, so that the development of the stratified groundwater sampler is particularly important.

In the prior art, the most common sampling tool for engineering monitoring is a Beller tube which is a hollow cylindrical plastic tube, the upper opening of which is fully opened and is connected with an extraction rope; a small hole is reserved at the lower opening, a solid hard plastic ball is contained in the pipe, the ball floats in the pipe due to the buoyancy effect in the descending process of the Beller pipe, the Beller pipe is stabilized at a certain depth, the ball settles at the bottom of the pipe due to the gravity effect, the small hole is blocked by the ball in the lifting process of the Beller pipe, the target layer water sample is basically maintained at the lower part in the pipe, and the upper part water sample can be exchanged with the water sample in the well in the lifting process. However, the berler tube cannot perform simultaneous hierarchical sampling; the water sample is also a water sample in a certain depth section, and cannot well represent the water quality condition of a certain position; in the lifting process of the Beller tube, the water in the tube and the water in the well are mutually exchanged, and the ideal required water quality condition of the water sample cannot be accurately represented.

The Beller tube is often adopted for collecting water samples of the direct monitoring well, but the Beller tube cannot collect underground water in a layered mode simultaneously, and multiple times of tube discharging and water taking disturb the water environment in the well, so that the water quality is changed; in the pipe discharging process, water samples of water layers at different depths are mixed in the Beller tube, in the lifting process, water at the upper part of the Beller tube is exchanged with external water, and the water samples in the Beller tube cannot accurately represent the water quality condition at the specified depth; moreover, the belleville tubes are long (about 0.3-1 m), and the extracted water cannot well represent the water sample condition at a certain position, is general and cannot be accurate to a water sample with a certain ideal depth.

Therefore, one section can be stratified sampling, and the groundwater sampling device that the in-process of sampling can not mix and get into different degree of depth water layer water samples remains to be researched and developed.

SUMMERY OF THE UTILITY MODEL

For solving not enough among the prior art, the utility model provides an underground water stratified sampling device to the ordinary sampling device who mentions in solving above-mentioned background problem can not stratified sampling, and the in-process of sample can mix the problem that gets into different degree of depth water layer water samples.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme: the utility model provides an underground water layering sampling device, includes the sampling pipe, the inside a plurality of water storage chambeies that set up of sampling pipe, it is a plurality of water storage chamber top sets up the water inlet, water inlet top slidable embolism, per two connect through electric putter between the embolism, the sampling pipe top sets up the rope.

The height of the plug is greater than that of the water inlet.

And a pneumatic tube for pressing the plugs to expand is connected between every two plugs.

Each water storage cavity is divided into an upper part and a lower part, and the upper part and the lower part are connected through threads.

The top of the electric push rod is externally connected with a power line.

The top of the pneumatic tube is externally connected with a power line.

The shell of the sampling tube is of a transparent structure.

And a limiting block is arranged at the lower end of the water inlet at the lowest end of the sampling pipe.

The quantity of stopper is 2, sets up in water inlet both sides.

Contrast prior art, the beneficial effects of the utility model reside in that:

1. the inside a plurality of water storage chambeies that set up of sampling pipe, it is a plurality of water storage chamber top sets up the water inlet, water inlet top slidable embolism can the stratified sampling, and the process of sample can not mix the different degree of depth water layer water samples that gets into.

2. Every water storage chamber divide into upper portion and lower part, and threaded connection is passed through to upper portion and lower part, conveniently takes out the sample water sample and analyzes.

3. Connect between per two embolism and be used for the embolism to suppress the atmospheric pressure pipe that makes its inflation, can be better after the sample with water seal, avoid mixing to get into different degree of depth water layer water samples.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a front view structural section view of the present invention.

Reference numerals shown in the drawings:

1. a sampling tube; 2. a water storage cavity; 3. a water inlet; 4. plugging; 5. a push rod; 6. a rope; 7. a pneumatic tube; 8. a thread; 9. and a limiting block.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

The layered sampling device for underground water comprises a sampling pipe 1, wherein a plurality of water storage cavities 2 are arranged in the sampling pipe 1, water inlets 3 are arranged at the tops of the water storage cavities 2, the water storage cavities 2 can be used for taking water samples of water layers with different depths, the top of the water inlet 3 is provided with a slidable plug 4, every two plugs 4 are connected through an electric push rod 5, the top of the electric push rod 5 is externally connected with a power wire, the top of the sampling tube 1 is provided with a rope 6, the push rod 5 is firstly electrified, the plug 4 is descended to the position for blocking the water inlet 3, the device can be placed at the water level to be sampled through the rope 6, when the device reaches the target position, the plug 4 is lifted to the position where the water inlet 3 is completely exposed, at the moment, the underground water enters the water storage cavity 2 through the water inlet 3, and at the moment, the plug 4 is lowered to the position where the water inlet 3 is completely blocked.

Further, the height of embolism 4 is greater than the height of water inlet 3, sample that like this can be better, and the process of avoiding taking a sample mixes and gets into different degree of depth water layer water samples.

Further, per two connect between the embolism 4 and be used for 4 atmospheric pressure pipes 7 that suppress the messenger its inflation for embolism, 7 top external power cord of atmospheric pressure pipe, accomplish the embolism 4 and block up water inlet 3 completely with atmospheric pressure pipe 7 circular telegrams when the sample, the embolism 4 inflation after getting into gas makes embolism 4 tighter with 3 stifled water inlets, avoids the mixing to get into the different degree of depth water layer water samples, and the water sample that has also avoided upper water storage chamber simultaneously enters into lower floor's water storage chamber.

Further, every water storage chamber 2 divide into upper portion and lower part, upper portion and lower part are through screw thread 8 connection, conveniently pour the water sample from water storage chamber 2 after the sample is accomplished.

Further, the shell of the sampling tube 1 is of a transparent structure, so that a water sample can be observed conveniently.

Further, be located sampling pipe 1 lower extreme water inlet 3 lower extremes sets up stopper 9, the quantity of stopper 9 is 2, sets up in 3 both sides of water inlet, makes that embolism 4 can be accurate plug up water inlet 3, avoids because embolism 4 decline position is too low and leading to mixing in the water storage chamber 2 to get into different degree of depth water layer water samples.

Claims

1. The utility model provides an underground water layering sampling device, includes sampling pipe (1), its characterized in that: sampling pipe (1) is inside to be set up a plurality of water storage chamber (2), sampling pipe (1) lateral wall sets up water inlet (3) with water storage chamber (2) intercommunication, water inlet (3) are located water storage chamber (2) top, water inlet (3) top sets up slidable embolism (4), per two connect through electric putter (5) between embolism (4), sampling pipe (1) top sets up rope (6).

2. The underground water stratified sampling device of claim 1, wherein: the height of the plug (4) is larger than that of the water inlet (3).

3. The underground water stratified sampling device of claim 1, wherein: and a pneumatic tube (7) for pressing the plugs (4) to expand is connected between every two plugs (4).

4. The underground water stratified sampling device of claim 1, wherein: each water storage cavity (2) is divided into an upper part and a lower part, and the upper part and the lower part are connected through threads (8).

5. The underground water stratified sampling device of claim 1, wherein: the top of the electric push rod (5) is externally connected with a power line.

6. The underground water stratified sampling device of claim 3, wherein: the top of the air pressure pipe (7) is externally connected with a power line.

7. The underground water stratified sampling device of claim 1, wherein: the shell of the sampling tube (1) is of a transparent structure.

8. The underground water stratified sampling device of claim 1, wherein: and a limiting block (9) is arranged at the lower end of the water inlet (3) positioned at the lowest end of the sampling pipe (1).

9. The underground water stratified sampling device of claim 8, wherein: the number of the limiting blocks (9) is 2, and the limiting blocks are arranged on two sides of the water inlet (3).