CN217521109U

CN217521109U - Integrative monitoring system of contaminated site aqueous vapor

Info

Publication number: CN217521109U
Application number: CN202221018720.7U
Authority: CN
Inventors: 刘笔艳; 王辉; 肜建波; 吴杰; 姚东珂; 余智超
Original assignee: Wuhan Surveying Geotechnical Research Institute Co Ltd of MCC
Current assignee: Wuhan Surveying Geotechnical Research Institute Co Ltd of MCC
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-30
Anticipated expiration: 2032-04-28

Abstract

The utility model provides a pollute integrative monitoring system of place aqueous vapor. The monitoring system comprises a water monitoring control device, a gas monitoring control device and a vertical monitoring well pipe, wherein the vertical monitoring well pipe positioned in an aquifer is a filter pipe, a plurality of water monitoring cavities are formed in the filter pipe area of the vertical monitoring well pipe through partition, and each water monitoring probe in each water monitoring cavity is in signal connection with the water monitoring control device through a water monitoring cable distributed along the corresponding water monitoring pipe; the monitoring well is characterized in that a plurality of layers of gas monitoring cavities are distributed on the well wall of the monitoring well, a gas monitoring probe is arranged in each gas monitoring cavity, and each gas monitoring probe is in signal connection with a gas monitoring control device through a gas monitoring cable arranged in a gas monitoring pipe. The utility model discloses can realize monitoring multilayer aqueous vapor simultaneously in same monitoring well, reduce the quantity and the maintenance and well-flushing cost of well, practice thrift engineering cost.

Description

Integrative monitoring system of contaminated site aqueous vapor

Technical Field

The utility model relates to a pollute place monitoring technology field specifically is an integrative monitoring system of aqueous vapor for monitoring pollute place groundwater and gas.

Background

Along with the adjustment of national industrial structure and the change of urban spatial layout, batch industrial enterprises are moved, or moved out of the central area of a city or transferred to the middle and western areas, a large number of left-over sites are generated in the city and the periphery, and most of the left-over sites have soil and underground water pollution of different degrees; in addition, urban social life is increasingly developed, the urbanization process is continuously accelerated, and the discharge amount of household garbage and construction garbage caused by urban expansion and the like is more and more. Polluted sites have become one of the important environmental problems of the whole society. When site environment management, site utilization planning and development construction are carried out on a polluted site, site pollution degree and range must be determined, engineering geology and hydrogeology conditions of the site are found out, and on the basis, the whole process of evaluation, pollution remediation, site reuse planning and development construction is carried out on the site environment.

In order to find out the pollution degree and the pollution range of soil and underground water in a polluted site, site in-situ monitoring is required, and the site in-situ monitoring is one of important technical means for investigating and evaluating the pollution degree of the site. Not only the groundwater, but also the relevant gases in the soil. Is a long-term, dynamic process; when multiple layers of groundwater are present, each layer of water needs to be monitored separately. However, most of the existing monitoring methods are that water and gas are separately monitored by monitoring wells, and some of the existing monitoring methods monitor water and gas integrally, but cannot monitor air and underground water of different depths of multiple layers at the same time. Therefore, how to monitor air and underground water with different burial depths of a vertical section of soil at the same time becomes a technical problem to be solved urgently by technical personnel in the field.

Disclosure of Invention

The utility model aims at the monitoring to polluting place internal water and gas, for acquireing the relevant data of monitoring, and provide an integrative monitoring system of pollution place aqueous vapor, this monitoring system only need be through a monitoring well, both can monitor the groundwater of different buried depths and different grade type, also can monitor the soil air of different buried depths to overcome and utilize current normal position monitoring devices, only can monitor the not enough of groundwater or the soil air of different buried depths respectively.

In order to achieve the technical purpose, the utility model provides a water and gas integrated monitoring system for a pollution site, which comprises a water monitoring system, a gas monitoring system and a vertical monitoring well pipe vertically buried in a monitoring well, wherein the vertical monitoring well pipe located in a water-containing layer area is a filter pipe, partitions are respectively arranged in the vertical monitoring well pipe filter pipe area corresponding to the bottom surface and the top surface of each water-containing layer, a water monitoring cavity which is matched with the height of the water-containing layer to be detected and is sealed up and down is formed between two adjacent partitions, the water monitoring system comprises a water monitoring control device arranged at the wellhead of the monitoring well, a water monitoring pipe vertically extending into each water monitoring cavity from the wellhead and a water monitoring probe distributed in each water monitoring cavity, each water monitoring pipe vertically penetrates through the partition above the water-containing layer to be detected and extends into the middle lower part of the corresponding water monitoring cavity, and the outer wall is hermetically connected with the penetrating partition, each water monitoring probe is positioned at the bottom of the corresponding water monitoring pipe and is in signal connection with the water monitoring control device through a water monitoring cable distributed along the corresponding water monitoring pipe; the gas monitoring system comprises a gas monitoring control device arranged at the wellhead of the monitoring well, multiple layers of gas monitoring cavities distributed on the wall of the monitoring well and gas monitoring probes arranged in each gas monitoring cavity, wherein the cavity mouth of each layer of gas monitoring cavity extends to the wellhead through a sealed gas monitoring pipe, and each gas monitoring probe is in signal connection with the gas monitoring control device through a gas monitoring cable arranged in the gas monitoring pipe.

The utility model discloses better technical scheme: the water monitoring system and the gas monitoring system are respectively provided with a storage battery and a self-powered system, the self-powered system comprises a photovoltaic panel or a power generation fan, the self-powered system is connected with the storage battery and provides power for the storage battery, and the storage battery supplies power for the corresponding water monitoring system and the corresponding gas monitoring system.

The utility model discloses better technical scheme: every layer is waited to monitor the soil layer and is equipped with two at least gas monitoring chambeies, and every gas monitoring chamber is located the pipe wall department of vertical monitoring well casing with the gas monitoring union coupling position that corresponds to seted up the through-hole in the vertical monitoring well casing corresponds the position, and is equipped with the sealing member in the position of this through-hole, the chamber wall in gas monitoring chamber is equipped with waterproof ventilated membrane.

The utility model discloses better technical scheme: the water monitoring control device and the air monitoring control device comprise a monitoring control module, an Internet of things card and an Internet of things terminal, and monitoring data are uploaded in real time through the Internet of things card and the Internet of things terminal.

The utility model discloses better technical scheme: and the part, located in the water-containing area, of the filter pipe of the vertical monitoring well pipe is coated with geotextile or a filter screen.

The utility model realizes multiple purposes in one well, and can monitor both underground water and soil gas in the same monitoring well; the multiple target aquifers can be monitored in a layered mode, and the number of finished wells and the maintenance and well washing cost are greatly reduced; and the utility model discloses use clean energy such as photovoltaic board and wind-powered electricity generation, can not only satisfy the needs of long-term monitoring, can also reach energy-concerving and environment-protective purpose, can also accomplish through thing networking card and thing networking terminal that monitoring data uploads in real time, and data are more accurate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the system comprises a vertical monitoring well pipe, 2 partitions, 3 water monitoring cavities, 4 water monitoring probes, 5 water monitoring pipes, 6 water monitoring control devices, 7 water monitoring cables, 8 gas monitoring control devices, 9 gas monitoring cavities, 10 gas monitoring probes, 11 gas monitoring pipes, 12 gas monitoring cables, 13 storage batteries and 14 power supply systems.

Detailed Description

The present invention will be further explained with reference to the drawings and examples. Fig. 1 is a drawing of an embodiment, which is drawn in a simplified manner and is only used for the purpose of clearly and concisely illustrating an embodiment of the present invention. The following detailed description of the embodiments of the present invention is presented in the drawings and is not intended to limit the scope of the invention as claimed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

In the embodiment, a water and gas integrated monitoring device for a polluted site is shown in fig. 1

The embodiment provides a water and gas integrated monitoring system for a polluted site, which comprises a water monitoring system, a gas monitoring system and a vertical monitoring well pipe 1 vertically buried in a monitoring well, wherein the vertical monitoring well pipe 1 located in a water-containing area is a filter pipe, and a geotextile or a filter screen is coated outside the filter pipe. The positions corresponding to the bottom surface and the top surface of each aquifer in the filter pipe area of the vertical monitoring well pipe 1 are respectively provided with a partition 2, four partitions 2 are arranged in the embodiment, and the four partitions form three water monitoring cavities 3 which are matched with the height of the aquifer to be detected and are sealed up and down in the vertical monitoring well pipe 1. The water monitoring system comprises a water monitoring control device 6 arranged at the wellhead of the monitoring well, water monitoring pipes 5 vertically extending into each water monitoring cavity 3 from the wellhead and water monitoring probes 4 arranged in each water monitoring cavity 3, wherein each water monitoring pipe 5 vertically penetrates through a partition 2 above a aquifer to be detected and extends into the middle lower part of the corresponding water monitoring cavity 3, the outer wall of each water monitoring pipe is hermetically connected with the corresponding partition 2, each water monitoring probe 4 is positioned at the bottom of the corresponding water monitoring pipe 5 and is in signal connection with the water monitoring control device 6 through a water monitoring cable 7 arranged along the corresponding water monitoring pipe 5; the gas monitoring system comprises a gas monitoring control device 8 arranged at the wellhead of the monitoring well and two layers of gas monitoring cavities 9 distributed on the wall of the monitoring well, wherein two gas monitoring cavities 9 are arranged on each layer, a gas monitoring probe 10 is arranged in each gas monitoring cavity 9, and the wall of each gas monitoring cavity 9 is provided with a waterproof breathable film. The mouth of every gas monitoring chamber 9 extends to the well head through sealed gas monitoring pipe 11, and every gas monitoring chamber 9 is located the pipe wall department of vertical monitoring well casing 1 with the 11 junction positions of gas monitoring pipe that correspond to seted up the through-hole in vertical monitoring well casing 1 corresponding position, and be equipped with the sealing member in the position of this through-hole, every gas monitoring probe 10 is through laying gas monitoring cable 12 and the 8 signal connection of gas monitoring control device in gas monitoring pipe 11.

The water monitoring system and the gas monitoring system in the embodiment are respectively provided with a storage battery 13 and a self-powered system 14, the self-powered system 14 comprises a photovoltaic panel or a power generation fan, the self-powered system 14 is connected with the storage battery 13 and provides power for the storage battery 13, the obtained power is stored in the storage battery 13, and the storage battery 13 supplies power for the corresponding water monitoring system and the corresponding gas monitoring system. The water monitoring control device (6) and the air monitoring control device 8 comprise a monitoring control module, an Internet of things card and an Internet of things terminal, and monitoring data are uploaded in real time through the Internet of things card and the Internet of things terminal.

The utility model discloses a concrete work progress of monitoring devices as follows:

(1) and drilling the monitoring well by using a drilling machine according to requirements.

(2) Processing and manufacturing a vertical monitoring well pipe; the vertical monitoring well pipe 1 is internally provided with a partition 2 according to monitoring requirements, a plurality of water monitoring pipes 5 and a plurality of gas monitoring pipes 11 are arranged in the monitoring pipes according to requirements, a monitoring cavity 9 is arranged at a position needing gas monitoring, and one end of the monitoring cavity 9 is connected with the gas monitoring pipes 11 in a sealing mode.

(3) The monitoring probe and the monitoring cable are placed, the water monitoring probe 4 and the water monitoring cable 7 are placed, and the gas monitoring probe 10 and the gas monitoring cable 12 are placed at corresponding positions in the pipe.

(4) And (5) wrapping a filter screen at each water level monitoring part from the monitoring well pipe to the monitoring well, and vertically lowering the filter screen to a designed position.

(5) Acquiring water and gas information of target position

And acquiring related data information through the monitoring probe, and uploading the data information in real time through the Internet of things network card and the Internet of things terminal.

The above description is only one embodiment of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a integrative monitoring system of contaminated site aqueous vapor which characterized in that: the monitoring system comprises a water monitoring system, a gas monitoring system and vertical monitoring well pipes (1) vertically buried in a monitoring well, wherein the vertical monitoring well pipes (1) positioned in a water-containing layer area are filter pipes, the positions, corresponding to the bottom surface and the top surface of each water-containing layer, in the filter pipe area of the vertical monitoring well pipes (1) are respectively provided with partitions (2), a water monitoring cavity (3) which is matched with the height of the water-containing layer to be detected and is sealed up and down is formed between every two adjacent partitions (2), the water monitoring system comprises a water monitoring control device (6) arranged at the wellhead of the monitoring well, water monitoring pipes (5) vertically extending into each water monitoring cavity (3) from the wellhead and water monitoring probes (4) arranged in each water monitoring cavity (3), each water monitoring pipe (5) vertically penetrates through the partitions (2) above the water-containing layer to be detected and extends into the middle lower part of the corresponding water monitoring cavity (3), the outer wall of the water monitoring probe is hermetically connected with the partition (2) which penetrates through the water monitoring probe, and each water monitoring probe (4) is positioned at the bottom of the corresponding water monitoring pipe (5) and is in signal connection with a water monitoring control device (6) through a water monitoring cable (7) which is distributed along the corresponding water monitoring pipe (5); the gas monitoring system comprises a gas monitoring control device (8) arranged at a wellhead of the monitoring well, a plurality of layers of gas monitoring cavities (9) distributed on the wall of the monitoring well and gas monitoring probes (10) arranged in each gas monitoring cavity (9), wherein the cavity opening of each layer of gas monitoring cavity (9) extends to the wellhead through a sealed gas monitoring pipe (11), and each gas monitoring probe (10) is connected with the gas monitoring control device (8) through a gas monitoring cable (12) arranged in the gas monitoring pipe (11).

2. The integrated water and gas monitoring system for the polluted site as claimed in claim 1, wherein: the water monitoring system and the gas monitoring system are respectively provided with a storage battery (13) and a self-powered system (14), the self-powered system (14) comprises a photovoltaic panel or a power generation fan, the self-powered system (14) is connected with the storage battery (13) and provides a power supply for the storage battery (13), and the storage battery (13) supplies power for the corresponding water monitoring system and the gas monitoring system.

3. The integrated water and gas monitoring system for the polluted site as claimed in claim 1 or 2, wherein: every layer is waited to monitor the soil layer and is equipped with two at least gas monitoring chamber (9), and every gas monitoring chamber (9) is located the pipe wall department of vertical monitoring well pipe (1) with gas monitoring pipe (11) connection site that corresponds to the through-hole has been seted up in vertical monitoring well pipe (1) correspondence position, and is equipped with the sealing member in the position of this through-hole, the chamber wall in gas monitoring chamber (9) is equipped with waterproof ventilated membrane.

4. The integrated water and gas monitoring system for the polluted site as claimed in claim 1 or 2, wherein: the water monitoring control device (6) and the air monitoring control device (8) comprise a monitoring control module, an Internet of things card and an Internet of things terminal, and monitoring data are uploaded in real time through the Internet of things card and the Internet of things terminal.

5. The integrated water and gas monitoring system for the polluted site as claimed in claim 1 or 2, wherein: the vertical monitoring well pipe (1) is coated with geotextile or a filter screen outside the filter pipe part in the water-containing zone.