CN212722233U

CN212722233U - Underground water micro-disturbance sampling device

Info

Publication number: CN212722233U
Application number: CN202021389564.6U
Authority: CN
Inventors: 李玉梅; 赵龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-03-16
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a groundwater micro-disturbance sampling device, which belongs to the field of environmental science, and comprises a sampling device and a detection device, wherein the sampling device comprises a sampling container and a sampling guide pipe communicated with the sampling container, the sampling guide pipe is provided with a first regulating valve, and the tail end of the sampling guide pipe is communicated with a sampling pipe; the detection device comprises a detection container and a detection panel arranged in the detection container, wherein a detection probe adapter is arranged in the detection panel and is used for being connected with a detection probe; the detection container is also communicated with a drainage guide pipe, and the tail end of the drainage guide pipe is communicated with a drainage pipe; the detection container is communicated with the sampling container through a conduit. The utility model discloses can realize that the real-time water sample physical and chemical parameter among the groundwater sampling process acquires, reduces the influence of environmental factor to each component rate of taking of groundwater.

Description

Underground water micro-disturbance sampling device

Technical Field

The utility model relates to an environment science field especially relates to a groundwater perturbation sampling device.

Background

The underground water is water existing in rock gaps below the surface of the earth, has the characteristics of clear water quality, stable water temperature, wide distribution range, abundant reserves and the like compared with surface water, and is used as a main drinking water source in most areas of China, particularly mountainous areas. In recent years, with the progress of industrialization and urbanization becoming faster, groundwater pollution has become a global environmental problem. China has developed a plurality of rounds of national groundwater pollution investigation and evaluation since 1999, and has built national level and provincial and urban level groundwater pollution monitoring networks, thereby realizing the monitoring of groundwater quality and the identification of pollution sources. In conclusion, the effective collection of the underground water sample is realized, and the foundation for various related monitoring and research works is provided. The groundwater sample collection standard indicates that 'field detection is needed before sample collection, and sampling is started after each parameter tends to be stable'. Most of the current sampling devices are carried out in a field detection process and a sampling process separately, so that the physical and chemical parameters of a water sample in the sampling process cannot be acquired on the field, and the subsequent analysis process is greatly influenced. Although partial equipment can realize that the two can go on simultaneously but equipment cost is higher, and only be applicable to specific model field detection equipment, in addition, this type of equipment is when getting the water sample that contains volatile organic pollutants such as VOC, SVOC, because environmental factor leads to the organic matter to volatilize, has greatly reduced sample collection rate.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a groundwater perturbation sampling device that can realize groundwater sample perturbation collection.

In order to solve the technical problem, the utility model provides a technical scheme as follows:

on one hand, the utility model provides an underground water micro-disturbance sampling device, which comprises a sampling device and a detection device, wherein,

the sampling device comprises a sampling container and a sampling flow guide pipe communicated with the sampling container, a first regulating valve is arranged on the sampling flow guide pipe, and the tail end of the sampling flow guide pipe is communicated with a sampling pipe;

the detection device comprises a detection container and a detection panel arranged in the detection container, wherein a detection probe adapter is arranged in the detection panel and is used for being connected with a detection probe; the detection container is also communicated with a drainage guide pipe, and the tail end of the drainage guide pipe is communicated with a drainage pipe;

the detection container is communicated with the sampling container through a conduit.

Furthermore, the drainage guide pipe is also communicated with an exhaust pipe, and a third regulating valve is arranged on the exhaust pipe.

Furthermore, a flow meter and a second regulating valve are installed on the drainage guide pipe.

Further, the inspection probe adapter is an adjustable inspection probe adapter for adapting to different probes.

Furthermore, a sliding cable is further arranged on the detection panel and used for locking the detection probe.

Furthermore, the bottom of the detection container is provided with a downward protruding extending end, the tail end of the extending end is designed to be an opening, the top of the sampling container is provided with an inner concave pipe which is matched and spliced with the extending end, and the bottom of the inner concave pipe is opened.

Furthermore, a supporting ring structure for installing the filter screen is arranged at the bottom of the inner concave pipe.

Furthermore, the detection container and the sampling container are made of opaque materials.

Furthermore, the detection container and the sampling container are made of opaque dark glass.

Further, still including connecting the variable buckle at sample honeycomb duct end for the sampling honeycomb duct of intercommunication sample honeycomb duct and different pipe diameters's sampling tube.

Furthermore, the device also comprises a connecting device for connecting the water drainage pipe and the water drainage guide pipe, and both sides of the connecting device are provided with buckles.

Furthermore, a filter screen is arranged in the sampling container.

After adopting such design, the utility model discloses following advantage has at least:

the utility model discloses through the size of adjusting first adjusting valve in the sampling process, change the groundwater flow rate that flows into sampling device to realize the sampling of perturbation. According to the flowmeter of the drainage guide pipe, the second regulating valve is regulated, and micro-disturbance sampling can be more accurately realized.

Drawings

The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

FIG. 1 is a schematic structural diagram of the groundwater micro-disturbance sampling device of the present invention;

FIG. 2 is a schematic structural diagram of another embodiment of a sampling device of the groundwater micro-disturbance sampling device according to the present invention;

fig. 3 is a schematic structural diagram of a sliding cable of the groundwater micro-disturbance sampling device of the present invention.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The utility model provides an embodiment of groundwater perturbation sampling device, as shown in fig. 1 to fig. 3, comprising a sampling device and a detection device, wherein the sampling device comprises a sampling container 6 and a sampling draft tube 41 communicated with the sampling container 6, a first regulating valve 91 is arranged on the sampling draft tube 41, and the end of the sampling draft tube 41 is used for being communicated with a sampling tube; the detection device comprises a detection container 5 and a detection panel 7 arranged in the detection container 5, wherein a detection probe adapter 2 is arranged in the detection panel 7, and the detection probe adapter 2 is used for being connected with a detection probe; the detection container 5 is also communicated with a drainage guide pipe 42, and the tail end of the drainage guide pipe 42 is communicated with a drainage pipe; the detection vessel 5 communicates with the sampling vessel 6 via a conduit.

When the utility model is used, after the well washing of the monitoring well is finished, the drain pipe is connected with the drainage guide pipe through the connecting device (the two sides of the connecting device are provided with the buckles); fixing a detection probe to a detection probe adapter of a detection panel; connecting the sampling pipe with a sampling flow guide pipe at the sampling port section; and after the installation is finished, the underground water sample detection and sampling work is started. The size of the valve is adjusted in the sampling process, the flow rate of the underground water flowing into the dark glass device is changed, and micro-disturbance sampling is realized. The utility model discloses can realize that the real-time water sample physical and chemical parameter among the groundwater sampling process acquires, reduces the influence of environmental factor to each component rate of taking of groundwater.

In order to perform the micro-disturbance sampling more accurately, the drainage guide pipe 42 is also communicated with the exhaust pipe 3, and the exhaust pipe 3 is provided with a third regulating valve 93.

Further, the drainage guide pipe 42 is provided with the flow meter 1 and a second regulating valve 92.

Further, the inspection probe adapter 3 is an adjustable inspection probe adapter for adapting to different probes. The test probe is secured to the test adapter by adjusting the test probe adapter size.

After the detection probe is fixed on the detection adapter, the detection probe is locked by the sliding cable 11 of the detection panel 7 and is fixed on the detection panel.

Further, the detection container 5 and the sampling container 6 are made of opaque material, preferably dark glass material.

As a preferable scheme, as shown in fig. 2, the bottom of the detection container 5 is provided with a protruding end protruding downwards, the tail end of the protruding end is designed to be an opening, the top of the sampling container 6 is provided with an inner concave pipe inserted with the protruding end in a matching manner, and the bottom of the inner concave pipe is opened. The bottom of the concave pipe is provided with a supporting ring structure for installing a filter screen. The design can better solve the problems of sealing and filtering.

Further, a filter screen 10 is arranged in the sampling container 5. The filter screen solves the problem that the original content of partial organic matter components in the underground water is changed due to the influence of illumination, simultaneously realizes primary filtration of the underground water sample, and reduces the influence of the loss of the concentration of each component of the collected underground water sample due to the adsorption effect of partial suspended matters.

Further, the sampling device also comprises a variable buckle 8 connected to the tail end of the sampling draft tube 41 and used for communicating the sampling draft tube 41 with sampling tubes with different tube diameters.

The utility model discloses when using: (1) after the well washing of the monitoring well is finished, connecting the drainage pipe with the drainage guide pipe through a connecting device (the two sides of the connecting device are provided with buckles); (3) fixing a detection probe on a detection panel (the detection panel is provided with an adjustable detection probe adapter, and the size of the adapter is adjusted to fix the probe on the adapter, lock the probe through a sliding cable and fix the probe on the detection panel); (3) the filter screen is arranged in an opaque dark glass sampling container at the lower part, and the sampling container and the detection container are directly connected through a glass conduit; (4) and (5) at the sampling port section, connecting the sampling tube with the sampling guide tube through the variable buckle (adjusting the diameter of the sampling tube according to the actual sampling requirement) (5), and after the installation is finished, starting the detection and sampling work of the underground water sample. (5) The size of the valve is adjusted in the sampling process, the flow rate of the underground water flowing into the sampling container is changed, and micro-disturbance sampling is realized.

The utility model discloses groundwater flow rate to flowing into sampling vessel is controllable, can realize groundwater sample perturbation and gather to can carry out sample filtering in real time through setting up the filter screen, improve the rate of taking that contains volatile organic compounds groundwater sample, practiced thrift the sample cost. The utility model discloses a flow and regulation valve control water velocity realize groundwater sample perturbation collection, have solved through setting up the filter screen that partial organic matter component receives illumination to influence and change its original content problem in the groundwater, realize the primary filter to groundwater sample simultaneously, have reduced because the adsorption of part suspended solid causes the influence of the loss of each component concentration of groundwater sample that has gathered.

The utility model discloses can realize that the real-time water sample physical and chemical parameter among the groundwater sampling process acquires, reduces the influence of environmental factor to each component rate of taking of groundwater.

The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and those skilled in the art can make various modifications, equivalent changes and modifications using the above-described technical content, all of which fall within the scope of the present invention.

Claims

1. The underground water micro-disturbance sampling device is characterized by comprising a sampling device and a detection device, wherein,

2. A groundwater micro-disturbance sampling device as claimed in claim 1, wherein a flow meter and a second regulating valve are installed on the drainage flow guide pipe.

3. A groundwater micro-disturbance sampling device as claimed in claim 1, wherein the drainage guide pipe is further communicated with an exhaust pipe, and the exhaust pipe is provided with a third regulating valve.

4. A groundwater perturbation sampling device as claimed in claim 1, wherein the detection probe adapter is an adjustable detection probe adapter for adapting to different probes.

5. A groundwater micro-disturbance sampling device as claimed in claim 4, wherein the detection panel is further provided with a sliding cable for locking the detection probe.

6. A groundwater micro-disturbance sampling device as claimed in claim 1, wherein the detection container and the sampling container are made of opaque material.

7. A groundwater micro-disturbance sampling device according to claim 1, wherein a protruding end protruding downwards is arranged at the bottom of the detection container, the end of the protruding end is of an open design, an inner concave pipe matched and inserted with the protruding end is arranged at the top of the sampling container, and the bottom of the inner concave pipe is open.

8. A groundwater micro-disturbance sampling device as claimed in claim 7, wherein the bottom of the concave pipe is provided with a ring structure for mounting a filter screen.

9. A groundwater micro-disturbance sampling device as claimed in any of claims 1 to 8, wherein a filter screen is provided in the sampling vessel.

10. A groundwater micro-disturbance sampling device as claimed in any one of claims 1 to 8, further comprising a variable buckle connected to the end of the sampling draft tube for communicating the sampling draft tube with sampling tubes of different diameters;

and/or the device also comprises a connecting device for connecting the water drainage pipe and the water drainage guide pipe, wherein two sides of the connecting device are provided with buckles.