CN214994091U - A well that ventilates for landfill ecological remediation administers - Google Patents

Abstract

The utility model relates to a technical field is administered to the landfill, specifically is a well that ventilates for landfill ecological remediation administers, including well casing and sealing cap, the bottom of well casing is connected with the conical head, and it has a plurality of air vents that link up to open on the well casing, and the top of well casing is connected with the bottom and is hollow sealing cap, and the top of sealing cap has the dop of being connected with the pile driver chuck, and the lateral wall of sealing cap hollow portion is opened there is the through-hole, and the through-hole is connected with the air duct, installs the valve on the air duct, gaseous collection valve, manometer, and the one end that the sealing cap was kept away from to the air duct is connected with the flange piece. The gas-guide tube is also provided with a methane detector. The device has the advantages of simple structure and convenient processing, can realize quick installation, connection and removal in the landfill, overcomes the complex operations of drilling down pipes and the like in the traditional aerobic process, and is beneficial to promoting the development of the landfill treatment technical field.

Description

A well that ventilates for landfill ecological remediation administers

Technical Field

The utility model relates to a landfill administers the technique, specifically is a ventilation well for landfill ecological remediation administers.

Background

As is well known, the old landfill site is generally managed randomly, odor overflows, mosquitoes and flies breed, and bacteria are easy to spread, so that the urban sanitation and the human health are affected; due to lack of anti-seepage measures, rainfall infiltration increases the output of leachate, and the leachate causes pollution to the surrounding soil, surface water and underground water environment; landfill gas generated by garbage in an anaerobic environment contains high-concentration methane (CH4) gas, is important greenhouse gas, and due to the lack of a gas guiding, discharging and collecting system, the unorganized release of CH4 not only aggravates the greenhouse effect, but also has the risk of causing explosion accidents.

Most of landfill sites use ventilation well devices to extract air or inject air, and the existing ventilation devices are complex in structure, complex in operation and inconvenient to install, connect and dismantle quickly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a ventilation well for landfill ecological remediation administers to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ventilation well for landfill ecological remediation administers, includes well casing and sealing cap, and the bottom of well casing is connected with the conical head, and it has a plurality of air vents that link up to open on the well casing, and the top of well casing is connected with the bottom and is hollow sealing cap, and the top of sealing cap has the dop of being connected with the pile driver chuck, and the lateral wall of sealing cap hollow portion is opened there is the through-hole, and the through-hole is connected with the air duct, installs valve, gaseous collection valve, manometer on the air duct, and the one end that the sealing cap was kept away from to the air duct is connected with the flange piece.

And the gas guide pipe is also provided with a methane detector.

The pipe diameter of the well pipe is DN50-DN100, the length of the well pipe is 3m-6m, and the well pipe is made of galvanized steel or cast iron.

The aperture of the vent holes is 6-12 mm, four vent holes are in a group, the vent holes are arranged in multiple rows and multiple columns, and each layer is 4-8 groups; the vertical interval between each layer of ventilation hole groups is 10cm-20cm, the open pore section is positioned at the lower part of the well pipe, and the length of the open pore section is 1-3 m.

The lower end of the sealing cap is welded or in threaded connection with the top of the well pipe.

The utility model has the advantages that: the structure is simple, the processing is convenient, the rapid installation, connection and removal can be realized in the landfill, the complex operations of drilling down pipes and the like in the traditional aerobic process are overcome, and the development of the technical field of landfill treatment is facilitated.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic view of a portion of the enlarged structure at A in FIG. 1;

fig. 4 is a partially enlarged structural diagram of a portion B in fig. 1.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the utility model discloses a ventilation well for landfill ecological remediation administers, including well casing 1 and sealing cap 2, the bottom of well casing 1 is connected with conical head 4, it has a plurality of air vents 11 that link up to open on the well casing 1, the top of well casing 1 is connected with the bottom and is hollow sealing cap 2, the top of sealing cap 2 has dop 3 of being connected with the pile driver chuck, the lateral wall of the 2 hollow portion of sealing cap is opened there is the through-hole, the through-hole is connected with air duct 5, install valve 6 on the air duct 5, gaseous collection valve 7, manometer 9, the one end that sealing cap 2 was kept away from to air duct 5 is connected with flange piece 10.

And the gas guide pipe 5 is also provided with a methane detector 8.

The pipe diameter of the well pipe 1 is DN50-DN100, the length is 3m-6m, and the well pipe 1 is made of galvanized steel or cast iron. The aperture of the vent holes 11 is 6-12 mm, four vent holes are in a group, the vent holes are arranged in multiple rows and multiple columns, and each layer is 4-8 groups; the vertical interval between each layer of ventilation hole groups is 10cm-20cm, the open pore section is positioned at the lower part of the well pipe, and the length of the open pore section is 1-3 m.

The lower end of the sealing cap 2 is welded or in threaded connection with the top of the well pipe 1.

Specifically, the bottom end of the sealing cap 2 is connected with the top end of the well pipe 1, the lower end of the sealing cap 2 is welded or in threaded connection with the top of the well pipe 1 to form a gas passage, the sealing cap 2 is made of galvanized steel or cast iron, the gas guide tube 5 and the flange piece 10 on the side wall of the sealing cap 2 can be connected with other equipment according to requirements, so that functions of the sealing cap are expanded, the clamping head 3 is made of cast iron or galvanized steel, and the bottom end of the clamping head 3 is connected with the top end of the sealing cap 2.

When in use, the well construction project adopts a mechanical pile driver with an automatic chuck to quickly install and remove the well pipe 1; the height of the well cap is about 300-500mm, the installation depth reaches the length of the whole well pipe 1, the extraction well and the gas injection well are distributed at intervals of regular triangle, grid, hexagon and the like, and the installation interval between similar functional wells is not more than 10-20 meters. The ventilation is carried out by adopting subareas, and the area of each area is not more than 50m multiplied by 50 m. Each aerobic ventilation operation period is about 7-14 days, and the ventilation well can be used as an air extraction or injection well device.

The above-mentioned embodiments are only used for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, the scope of the present invention should not be limited by the embodiment, that is, all equivalent changes or modifications made by the spirit of the present invention should still fall within the scope of the present invention.

Claims (5)

1. The utility model provides a ventilation well for landfill ecological remediation administers, including well casing (1) and sealing cap (2), a serial communication port, the bottom of well casing (1) is connected with conical head (4), open air vent (11) that have a plurality of link up on well casing (1), the top of well casing (1) is connected with the bottom and is hollow sealing cap (2), the top of sealing cap (2) has dop (3) of being connected with the pile driver chuck, the lateral wall of sealing cap (2) hollow portion is opened there is the through-hole, the through-hole is connected with air duct (5), install valve (6) on air duct (5), gaseous collection valve (7), manometer (9), the one end that sealing cap (2) were kept away from in air duct (5) is connected with flange piece (10).

2. The ventilation well for the ecological restoration and treatment of the landfill site as claimed in claim 1, wherein the gas guide pipe (5) is further provided with a methane detector (8).

3. The ventilation well for the landfill ecological remediation treatment according to claim 1, wherein the well pipe (1) has a pipe diameter of DN50-DN100 and a length of 3m-6m, and the well pipe (1) is made of galvanized steel or cast iron.

4. The ventilation well for the ecological restoration and treatment of the landfill site as claimed in claim 3, wherein the aperture of the ventilation holes (11) is 6mm-12mm, four ventilation holes are in a group, and the ventilation holes are arranged in a plurality of rows and a plurality of columns, and each layer is provided with 4-8 groups; the vertical interval between each layer of ventilation hole groups is 10cm-20cm, the open pore section is positioned at the lower part of the well pipe, and the length of the open pore section is 1-3 m.

5. The ventilation well for landfill ecological remediation treatment according to claim 1, wherein the lower end of the sealing cap (2) is welded or screwed with the top of the well pipe (1).

Images