CN214668892U - Long-term soil gas monitoring well device for hardened ground - Google Patents
Long-term soil gas monitoring well device for hardened ground Download PDFInfo
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- CN214668892U CN214668892U CN202120281054.5U CN202120281054U CN214668892U CN 214668892 U CN214668892 U CN 214668892U CN 202120281054 U CN202120281054 U CN 202120281054U CN 214668892 U CN214668892 U CN 214668892U
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Abstract
The application provides a long-term monitoring well device of sclerosis ground soil gas, a serial communication port, include: plug, filter, conduit, end; the plug is of a groove structure, and the inner surface of the groove is a cylindrical surface and is provided with an internal thread; one end of the filter is in threaded connection with the opening end of the plug, and the filter is of a multi-layer compact stainless steel plain weave structure; one end of the guide pipe is connected with the filter, and the guide pipe is a stainless steel hollow pipe; the utility model discloses a medical apparatus, including pipe, tip one end with pipe threaded connection, tip other end surface is pagoda helicitic texture, pagoda helicitic texture parcel has the rubber circle, the tip that the tip is close to pagoda helicitic texture is furnished with polypropylene material stopper. The application provides monitoring well device has simple structure, can fast assembly, consumptive material characteristics such as few, with low costs.
Description
Technical Field
The utility model belongs to the technical field of soil environment detects, especially, relate to a long-term monitoring well device of sclerosis ground soil gas.
Background
Soil gas is the gas present in the voids of the constituent spaces of the soil structure. In some underground environments, some of the contaminant gases may diffuse into the soil gases, such as Volatile Organic Compounds (VOCs) produced by landfills, mining and petroleum. Soil gas related to toxic and harmful substances can diffuse into buildings, thereby affecting human health. In recent years, when experts at home and abroad evaluate the respiratory inhalation risk of VOCs in the underground environment, the experts are not recommended to evaluate the human health risk based on the concentration of the experts in soil or underground water, but tend to evaluate the risk based on the actually measured concentration of the VOCs in soil gas. If soil gas in the gas-enclosed zone of the soil is directly collected to analyze VOCs, effective information of pollutants related to health hazards in the soil can be directly and effectively extracted and used for determining existence, composition, source and distribution conditions of the pollutants.
In the soil monitoring process of a production enterprise, the ground of the production enterprise is hardened, the existing soil gas sampling mainly uses large-scale instruments to waste resources to a certain extent, the large-scale instruments are inconvenient to move, meanwhile, PVC or other plastic pipes are used as soil gas collecting channels in the collecting process, and plastic pipes can influence the chemical characteristics of soil gas pollution, particularly organic pollutants to a certain extent.
Therefore, a long-term hardened surface soil gas monitoring well device which is simple to operate and high in efficiency is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a long-term monitoring well device of hardened ground soil gas for solve the complicated, the more technical problem of consumptive material of hardened ground soil gas monitoring operation.
The utility model provides a pair of long-term monitoring well device of sclerosis ground soil gas, include: plug, filter, conduit, end;
the plug is of a groove structure, and the inner surface of the groove is a cylindrical surface and is provided with an internal thread;
one end of the filter is in threaded connection with the opening end of the plug, and the filter is of a multi-layer compact stainless steel plain weave structure;
one end of the guide pipe is connected with the filter, and the guide pipe is a stainless steel hollow pipe;
the utility model discloses a medical apparatus, including pipe, tip one end with pipe threaded connection, tip other end surface is pagoda helicitic texture, pagoda helicitic texture parcel has the rubber circle, the tip that the tip is close to pagoda helicitic texture is furnished with polypropylene material stopper.
Preferably, the conduit is composed of one or more conduits connected in sequence.
Preferably, the two ends of the filter are of an external thread structure.
Preferably, both ends of the conduit are in an external thread structure, and the filter is in threaded connection with the conduit through an adapter.
Preferably, the plug is made of stainless steel.
Preferably, the end portion is made of stainless steel.
Preferably, the device has a maximum outer diameter of less than 30 mm.
Based on above-mentioned embodiment can see, the utility model provides a long-term monitoring well device of sclerosis ground soil gas, include: plug, filter, conduit, end; the plug is of a groove structure, and the inner surface of the groove is a cylindrical surface and is provided with an internal thread; one end of the filter is in threaded connection with the opening end of the plug, and the filter is of a multi-layer compact stainless steel plain weave structure; one end of the guide pipe is connected with the filter, and the guide pipe is a stainless steel hollow pipe; the utility model discloses a medical apparatus, including pipe, tip one end with pipe threaded connection, tip other end surface is pagoda helicitic texture, pagoda helicitic texture parcel has the rubber circle, the tip that the tip is close to pagoda helicitic texture is furnished with polypropylene material stopper. The plug, the filter, the conduit and the end part are sequentially in threaded connection, so that the device is simple to install and operate; the filter is of a multi-layer compact stainless steel plain weave net structure, soil gas can smoothly pass through the conduit, and large-particle magazines in soil cannot pass through the conduit; the rubber ring wrapped pagoda thread structure can be embedded into a drill hole of a hardened ground layer to play a role in sealing and fixing. The monitoring well device has the beneficial effects that: the device has a simple structure, adopts a modular design, can be quickly assembled, greatly simplifies the process of the soil gas long-term monitoring well constructed under the cement hardened ground layer of a production enterprise, and greatly shortens the time required by well construction; and secondly, compared with common well construction machinery, the device does not use related well construction consumables, has relatively low price and is beneficial to large-scale popularization of the soil gas sampling technology.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a hardened ground soil gas long-term monitoring well device provided by the embodiment of the utility model.
The reference numbers illustrate: 1. the plug comprises a plug body, 2, a filter, 3, a conduit, 4, an end part, 5, a pagoda thread structure, 6, a polypropylene plug, 7, an adapter, 8, a hardened ground layer, 9, a soil layer, 10 and a sealing cover.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a hardened ground soil gas long-term monitoring well device provided by the embodiment of the present invention, and the following description is made in detail by combining fig. 1.
As shown in fig. 1, the long-term hardened surface soil gas monitoring well device mainly comprises: a plug 1, a filter 2, a conduit 3, an end 4.
Specifically, the plug 1 is of a groove structure, and the inner surface of the groove is a cylindrical surface and is provided with internal threads. In the implementation of the application, the plug 1 is made of stainless steel, so that the top end structure of the device is firm, and soil is prevented from damaging the structure and entering the conduit 3.
2 one end of filter and 1 open end of end cap carry out sealed tube threaded connection, and filter 2 is the fine and close stainless steel plain weave network structure of multilayer, and the fine and close stainless steel plain weave network structure of multilayer makes soil gas can pass through smoothly in getting into pipe 3, and the unable passing through of large granule impurity in the soil. One end of the conduit 3 is connected with the filter 2, and the conduit 3 is a stainless steel hollow pipe. As a preferable implementation mode of the embodiment of the application, the two ends of the filter 2 are in an external thread structure. Furthermore, both ends of the conduit 3 are in an external thread structure, and the filter 2 is in threaded connection with the conduit 3 through the adapter 7.
Tip 4 is stainless steel, and 4 one end of tip and pipe 3 carry out sealed tube threaded connection, the other end surface is pagoda helicitic texture 5, and 5 parcel of pagoda helicitic texture have the rubber circle, and the rubber circle is the natural rubber material. The pagoda thread and the rubber ring for sealing have larger friction force, so that the pagoda thread and the rubber ring for sealing can be fixed in a drilled hole of the hardened ground layer 8, soil gas is prevented from leaking, and position changes such as device movement caused by structural changes of the soil layer 9 can be prevented. The end of the end portion 4 close to the pagoda screw-thread structure 5 is provided with a polypropylene plug 6, and the polypropylene does not absorb water vapor and oxygen and carbon dioxide cannot permeate.
In order to adapt to the collection and monitoring of soil gas at different depths, the embodiment of the application provides a preferable implementation mode, and the conduit 3 is composed of one or more conduits which are connected in sequence. One conduit 3 or a plurality of conduits 3 are selected to be connected in sequence to obtain different depths of soil gas.
As a preferred implementation mode of the embodiment of the application, the maximum outer diameter of the device is less than 30mm, the whole equipment is small, and the use of large machinery and related well building consumables is avoided.
The use process of the monitoring well device provided by the embodiment of the application is further explained by taking the collection of soil gas at a position 1.5m below a conventional hardened pavement layer of a production enterprise as an example:
the method comprises the steps of firstly drilling a part of hardened ground layer 8 by using a conventional drill bit gasoline drill, drilling the hardened ground layer 8 by using a drill bit with the diameter similar to that of the pagoda thread structure 5, and continuously drilling to the position 1.5m deep in a soil layer 9 below the road surface.
After drilling is finished, the plug 1, the filter 2, the guide pipe 3 and the end part 4 are sequentially connected with each other through the sealing pipe threads, and a proper rubber ring is sleeved on the outer surface of the threaded structure 5 of the pagoda, so that the rubber ring can be embedded into a ground hardened borehole and plays a role in sealing and fixing. The whole device is connected to be approximately equal to the drilling depth. After the assembly is completed, the device is placed in a drill hole, and the end of the outer pagoda threaded structure 5 is covered with a polypropylene plug 6. And finally, covering a sealing cover 10 on the hardened ground layer 8, thus completing the construction of the soil gas long-term monitoring well of the production enterprise.
When sampling soil gas, the sealing cover 10 at the ground hardened part is uncovered, the polypropylene plug 6 covered by the pagoda threaded structure 5 outside the soil gas long-term monitoring well is uncovered, the pipe fitting of the air pump is rapidly connected with the opening 3 of the guide pipe, and the air pump is used for pumping the soil gas from the gap of the soil layer 9 into the stainless steel sampling bottle through the guide pipe 3 and the pagoda threaded structure 5 through the filter 2, so that the sampling is completed.
Since the above embodiments are all described by referring to and combining with other embodiments, the same portions are provided between different embodiments, and the same and similar portions between the various embodiments in this specification may be referred to each other. And will not be described in detail herein.
It should be noted that, unless otherwise specified and limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, mechanically or electrically connected, or may be communicated between two elements, directly or indirectly through an intermediate medium, and specific meanings of the terms may be understood by those skilled in the relevant art according to specific situations. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or device comprising the element. In the description of the present invention, it is to be understood that the terms "bottom", "one end", "top", "other end", "upper", "one side", "top", "inner side", "front", "both ends" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In addition, as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
The above-described embodiments of the present application do not limit the scope of the present application.
Claims (7)
1. A long-term soil gas monitoring well device for hardened ground, which is characterized by comprising: the device comprises a plug (1), a filter (2), a conduit (3) and an end part (4);
the plug (1) is of a groove structure, and the inner surface of the groove is a cylindrical surface and is provided with an internal thread;
one end of the filter (2) is in threaded connection with the opening end of the plug (1), and the filter (2) is of a multi-layer compact stainless steel plain weave net structure;
one end of the guide pipe (3) is connected with the filter (2), and the guide pipe (3) is a stainless steel hollow pipe;
tip (4) one end with pipe (3) threaded connection, tip (4) other end surface is pagoda helicitic texture (5), pagoda helicitic texture (5) parcel has the rubber circle, tip (4) are close to the end of pagoda helicitic texture (5) is furnished with polypropylene material stopper (6).
2. The long-term hardened surface soil gas monitoring well device according to claim 1, characterized in that said conduit (3) is composed of one or more connected in series.
3. The device of claim 1, wherein both ends of said filter (2) are externally threaded.
4. The long-term hardened ground soil gas monitoring well device according to claim 3, wherein both ends of the conduit (3) are of an external thread structure, and the filter (2) is in threaded connection with the conduit (3) through an adapter (7).
5. The device of claim 1, wherein said bulkhead (1) is stainless steel.
6. The hardened surface soil gas long-term monitoring well device according to claim 1, characterized in that said end portion (4) is of stainless steel.
7. The device of any one of claims 1 to 6, wherein said device has a maximum outer diameter of less than 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120281054.5U CN214668892U (en) | 2021-02-01 | 2021-02-01 | Long-term soil gas monitoring well device for hardened ground |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120281054.5U CN214668892U (en) | 2021-02-01 | 2021-02-01 | Long-term soil gas monitoring well device for hardened ground |
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| CN214668892U true CN214668892U (en) | 2021-11-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608896A (en) * | 2022-03-08 | 2022-06-10 | 生态环境部南京环境科学研究所 | A modularization soil gas groundwater monitoring well for polluting place aassessment |
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2021
- 2021-02-01 CN CN202120281054.5U patent/CN214668892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608896A (en) * | 2022-03-08 | 2022-06-10 | 生态环境部南京环境科学研究所 | A modularization soil gas groundwater monitoring well for polluting place aassessment |
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