CN211013652U

CN211013652U - Sampling device for underground water monitoring well

Info

Publication number: CN211013652U
Application number: CN201921261986.2U
Authority: CN
Inventors: 胡春芳; 辛光; 段锦海
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-07-14
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a groundwater monitoring well is with sampling device, including sampling staving and inner tube, sampling staving bottom is provided with the sampling pipe, the sampling pipe top is provided with three solenoid valves, sampling staving top is provided with the water pump, be provided with the sealing circuit case on the water pump lateral wall, the water pump top is provided with the pipeline of sending a sample, sampling staving back is provided with the conveyer pipe. Has the advantages that: the utility model discloses a set up sampling chamber one, sampling chamber two and sampling chamber three, can save the water sampling in the certain period to in time measuring is examined next time to the user, in time learns the full period change of groundwater, has improved the grade of groundwater supervision.

Description

Sampling device for underground water monitoring well

Technical Field

The utility model relates to a groundwater monitoring sampling technical field, concretely relates to groundwater monitoring is sampling device for well.

Background

The underground water monitoring is realized mainly by a monitoring well, wherein the monitoring well is a special well which is completed by a drilling method and is used for monitoring the change conditions of the water level, the water temperature and the water quality of the underground water, the construction method of the special well is similar to that of a conventional well, a monitoring instrument is placed in the well after completion of the well, and a water sample is collected at regular time for analysis and test. The monitoring wells are arranged at pollution source concentration areas, and horizontal wells are adopted abroad to measure and control the pollution condition of underground water in large areas.

Most of common underground water monitoring well sampling devices can only carry out real-time sampling, the quality inspection of underground water in an unsupervised time period cannot be guaranteed, and the safety protection of underground water is not facilitated.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, provide a groundwater monitoring well sampling device now, solve present groundwater monitoring well sampling device and mostly all can only carry out real-time sampling, the quality control of groundwater can't obtain the guarantee in unmanned supervision's period, is unfavorable for the problem of the safety protection of groundwater.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a sampling device for underground water monitoring well, which comprises a sampling barrel body and an inner pipe, a sampling pipe is arranged at the bottom of the sampling barrel body, a third electromagnetic valve is arranged at the top end of the sampling pipe, a water pump is arranged at the top of the sampling barrel body, a sealed circuit box is arranged on one side wall of the water pump, a sample delivery pipeline is arranged at the top of the water pump, the back of the sampling barrel body is provided with three conveying pipes, the top of each conveying pipe is provided with a second electromagnetic valve, an inner barrel is arranged in the sampling barrel body, one side of the inner barrel is provided with the inner tube, a first sampling chamber is formed at the top end in the inner barrel, the inner barrel is internally provided with a sampling chamber II in the middle, a sampling chamber III is formed at the bottom end of the inner barrel, electromagnetic valves I are arranged at the bottoms of the sampling chamber I, the sampling chamber II and the sampling chamber III, and a liquid flow meter is arranged on the side wall of the inner barrel.

Furthermore, the sampling pipe is inserted into the sampling barrel body, and the electromagnetic valve is nested on the sampling pipe.

By adopting the technical scheme, the third electromagnetic valve and the sealing rubber ring are arranged between the sampling pipes, so that underground water can be prevented from entering and damaging the third electromagnetic valve.

Further, the water pump with the sampling staving passes through bolted connection, the sealed circuit case with the water pump passes through bolted connection.

By adopting the technical scheme, the water pump is exposed at the upper part of the underground water level, and the sealed circuit box is internally provided with the device control unit and jointly allocates the operation of the device with the control center outside the monitoring well.

Furthermore, the conveying pipe, the sampling barrel body and the water pump are all inserted, and the second electromagnetic valve is nested on the conveying pipe.

Through adopting above-mentioned technical scheme, the conveyer pipe has three to be used for carrying the indoor water sample of different samplings respectively.

Furthermore, the inner barrel is connected with the sampling barrel body through a clamping groove, and the inner pipe is connected with the sampling barrel body and the inner barrel in an inserting mode.

Further, the liquid flowmeter is nested on the inner pipe, and the first electromagnetic valve is connected with the first sampling chamber, the second sampling chamber and the third sampling chamber through bolts.

By adopting the technical scheme, the liquid flowmeter is of an electronic structure and can transmit an electric signal into the sealed circuit box.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

for solving current groundwater monitoring well sampling device and can only carrying out real-time sampling mostly, the quality control of groundwater in unmanned supervision's period can't obtain the guarantee, is unfavorable for the problem of the safety protection of groundwater, the utility model discloses a set up sampling chamber one, sampling chamber two and sampling chamber three, can save the water sampling in the certain period to in time, in time learn the full period change of groundwater for the time of next time of user's detection, improved the grade of groundwater supervision.

Drawings

Fig. 1 is a front view of a sampling device for an underground water monitoring well according to the present invention;

FIG. 2 is a drawing showing the internal structure of a sampling barrel body of the sampling device for an underground water monitoring well of the present invention;

FIG. 3 is a schematic diagram showing the connection relationship between the sampling barrel, the water pump and the delivery pipe in the sampling device for underground water monitoring well of the present invention;

fig. 4 is the utility model discloses a groundwater monitoring well sampling device's circuit block diagram.

The reference numerals are explained below:

1. a sample delivery pipeline; 2. a sampling barrel body; 3. a sampling tube; 4. a first sampling chamber; 5. a second sampling chamber; 6. a sampling chamber III; 7. a first electromagnetic valve; 8. an inner barrel; 9. a second electromagnetic valve; 10. an inner tube; 11. a delivery pipe; 12. a water pump; 13. a third electromagnetic valve; 14. a liquid flow meter; 15. and sealing the circuit box.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-4, the sampling device for underground water monitoring well in this embodiment includes a sampling barrel 2 and an inner tube 10, a sampling tube 3 is disposed at the bottom of the sampling barrel 2, a third electromagnetic valve 13 is disposed at the top end of the sampling tube 3, a water pump 12 is disposed at the top of the sampling barrel 2, a sealed circuit box 15 is disposed on a side wall of the water pump 12, a sample delivery pipeline 1 is disposed at the top of the water pump 12, a delivery pipe 11 is disposed at the back of the sampling barrel 2, three delivery pipes 11 are disposed, a second electromagnetic valve 9 is disposed at the top of the delivery pipe 11, an inner barrel 8 is disposed in the sampling barrel 2, the inner tube 10 is disposed at one side of the inner barrel 8, a first sampling chamber 4 is formed at the top end of the inner barrel 8, a second sampling chamber 5 is formed at the middle part of the inner barrel 8, a third sampling chamber 6, a liquid flow meter 14 is provided on one side wall of the inner pipe 10. Sampling pipe 3 pegs graft with sampling staving 2, and three 13 nestings of solenoid valve are on sampling pipe 3, are provided with the rubber sealing ring between three 13 of solenoid valve and the sampling pipe 3, can prevent that groundwater from getting into the structure of damaging three 13 of solenoid valve. The water pump 12 is connected with the sampling barrel body 2 through bolts, the sealing circuit box 15 is connected with the water pump 12 through bolts, the water pump 12 is exposed on the upper portion of an underground water level, and a device control unit is arranged in the sealing circuit box 15 and is used for jointly allocating the operation of the device with a control center outside a monitoring well. The inner barrel 8 is connected with the sampling barrel body 2 through a clamping groove, and the inner tube 10 is inserted with the sampling barrel body 2 and the inner barrel 8. The conveying pipe 11 is all pegged graft with the sampling barrel body 2 and water pump 12, and second 9 nests of solenoid valve on the conveying pipe 11, and conveying pipe 11 has three to be used for carrying the water sample in the different sampling rooms respectively.

In the embodiment, as shown in fig. 2, the liquid flow meter 14 is nested on the inner tube 10, the solenoid valve one 7 is connected with the sampling chamber one 4, the sampling chamber two 5 and the sampling chamber three 6 through bolts, and the liquid flow meter 14 is of an electronic structure and can transmit an electric signal into the sealed circuit box 15.

The specific implementation process of this embodiment is as follows: firstly, the device enters underground water, a water pump 12 is exposed on the water surface, then a sample conveying pipeline 1 is fixed with a structure at the top of a monitoring well, a sealing circuit box 15 is communicated with a control center outside the monitoring well, so that the installation of the device can be completed, corresponding execution logic is set by the control center outside the monitoring well in a time period when no person supervises and samples, so that the device can sample and store in a set time period, wherein a third electromagnetic valve 13 is opened, the underground water enters an inner pipe 10 from a sampling pipe 3, meanwhile, a first electromagnetic valve 7 of a first sampling chamber 4 and a first electromagnetic valve 7 of a second sampling chamber 5 are opened, the underground water falls into a third sampling chamber 6, a liquid flowmeter 14 records the entering sampling water quantity and feeds back the sampling water quantity to a control device in the sealing circuit box 15 in time, then the first electromagnetic valve 7 of the second sampling chamber 5 is closed, and the first electromagnetic valve 7 of the first sampling chamber 4 is closed after the second sampling, after taking three sampling chambers to fill up, closing three 13 solenoid valves, forbid groundwater to continue to get into, when the user carries out sampling analysis next time, send the groundwater in three sampling chambers to ground through sending a kind pipeline 1 through water pump 12 and two 9 solenoid valves in proper order and detect, in time learn the full period change of groundwater, improved the grade of groundwater supervision, when user real-time detection, solenoid valve one 7, two 9 solenoid valves and three 13 solenoid valves are all opened, can carry out real-time sampling of drawing water.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a groundwater monitoring is sampling device for well which characterized in that: comprises a sampling barrel body (2) and an inner tube (10), wherein a sampling tube (3) is arranged at the bottom of the sampling barrel body (2), a third electromagnetic valve (13) is arranged at the top end of the sampling tube (3), a water pump (12) is arranged at the top of the sampling barrel body (2), a sealed circuit box (15) is arranged on one side wall of the water pump (12), a sample conveying pipeline (1) is arranged at the top of the water pump (12), a conveying pipe (11) is arranged at the back of the sampling barrel body (2), three conveying pipes (11) are arranged, a second electromagnetic valve (9) is arranged at the top of the conveying pipe (11), an inner barrel (8) is arranged in the sampling barrel body (2), the inner tube (10) is arranged at one side of the inner barrel (8), a first sampling chamber (4) is formed at the top end in the inner barrel (8), a second sampling chamber (5) is formed at the middle part in the, the sampling chamber I (4), the sampling chamber II (5) and the sampling chamber III (6) are all provided with a first electromagnetic valve (7) at the bottom, and a liquid flowmeter (14) is arranged on one side wall of the inner pipe (10).

2. A sampling apparatus for a subterranean water monitoring well according to claim 1, wherein: the sampling pipe (3) is inserted into the sampling barrel body (2), and the electromagnetic valve III (13) is nested on the sampling pipe (3).

3. A sampling apparatus for a subterranean water monitoring well according to claim 1, wherein: the water pump (12) is connected with the sampling barrel body (2) through bolts, and the sealing circuit box (15) is connected with the water pump (12) through bolts.

4. A sampling apparatus for a subterranean water monitoring well according to claim 1, wherein: the conveying pipe (11) is connected with the sampling barrel body (2) and the water pump (12) in an inserted mode, and the second electromagnetic valve (9) is nested on the conveying pipe (11).

5. A sampling apparatus for a subterranean water monitoring well according to claim 1, wherein: the inner barrel (8) is connected with the sampling barrel body (2) through a clamping groove, and the inner tube (10) is inserted into the sampling barrel body (2) and the inner barrel (8).

6. A sampling apparatus for a subterranean water monitoring well according to claim 1, wherein: the liquid flowmeter (14) is nested on the inner pipe (10), and the first electromagnetic valve (7) is connected with the first sampling chamber (4), the second sampling chamber (5) and the third sampling chamber (6) through bolts.