Gas extraction pipeline structure convenient to clean

Abstract

The utility model relates to the field of gas extraction, and discloses a gas extraction pipeline structure convenient to clean, which comprises a gas collecting pipe arranged in an extraction hole and a concrete block arranged at the opening of the extraction hole and used for fixing the gas collecting pipe, the gas collecting pipe is connected with a cleaning device; the cleaning device comprises a shell and a cleaning rod, the left side of the shell is provided with a first connector connected with the gas collecting pipe, the top of the shell is provided with a second connector connected with the extraction pipe, the bottom of the shell is provided with a third connector connected with the negative-pressure automatic water discharging device, the right side of the shell is provided with a rod inserting opening, and multiple sets of sealing rings are arranged in the rod inserting opening. The cleaning rod comprises a rod part and bristles arranged at one end of the rod part, the cleaning rod is arranged in the gas collecting pipe, and the rod part, away from one end of the bristles, of the cleaning rod is inserted into the rod inserting opening in a sealed mode through a sealing ring. According to the cleaning device, the cleaning rod can be operated through the rod inserting opening in the shell to clean the interior of the gas collecting pipe, the gas collecting pipe is prevented from being blocked by mud, and normal extraction of gas can be guaranteed only by operating the cleaning rod for cleaning regularly.

Description

Technical Field

[0001] The utility model relates to the field of gas drainage, in particular to a gas drainage pipeline structure which is convenient to clean. Background Art

[0002] During coal mining, it is necessary to drill gas drainage holes on the roadway surface to extract the gas in the coal seam to ensure the safe progress of coal mining. During the gas drainage process, the seepage of water from the surrounding rock strata and coal seam of the drainage hole and coal chips or coal dust in the coal seam will enter the drainage pipeline. The coal chips or coal dust will form a slurry when encountering water and adhere to the inside of the gas collecting pipe, and then gradually block the gas collecting pipe, increasing the resistance of the drainage pipeline, affecting the drainage efficiency of the gas at the drainage point, and prolonging the gas drainage time.

[0003] Based on this, the present application provides a gas drainage pipeline structure which is convenient to clean the gas collecting pipe to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the technical problems existing in the prior art. For this purpose, the utility model provides a gas drainage pipeline structure which is convenient to clean, realizes the cleaning of the inside of the gas collecting pipe, and ensures the normal extraction of gas.

[0005] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0006] Provide a gas drainage pipeline structure which is convenient to clean, including a gas collecting pipe arranged in the drainage hole and a concrete block arranged at the orifice of the drainage hole for fixing the gas collecting pipe; the gas collecting pipe is connected with a cleaning device; the cleaning device includes a housing and a cleaning rod. The left side of the housing is provided with a first interface connected with the gas collecting pipe, the top is provided with a second interface connected with the drainage pipe, the bottom is provided with a third interface connected with a negative pressure automatic water drainer, and the right side is provided with a plug hole. A plurality of groups of sealing rings are arranged in the plug hole; the cleaning rod includes a rod part and a brush hair arranged at one end of the rod part. The cleaning rod is arranged in the gas collecting pipe, and the rod part at the end far away from the brush hair is inserted into the plug hole sealed by the sealing ring.

[0007] In some optional embodiments, a rubber plate for scraping the wall is further arranged in front of the brush hair on the cleaning rod for scraping and cleaning the inner wall of the gas collecting pipe.

[0008] In some optional embodiments, the rubber plate is spirally arranged on the cleaning rod.

[0009] In some optional embodiments, the rod part of the cleaning rod is formed by screwing together a plurality of short rods.

[0010] In some optional embodiments, a sealing cover is further screwed on the plug hole.

[0011] In some alternative embodiments, a plurality of tie reinforcement bars are embedded in the concrete block, and a plurality of tension plates are further provided on the outer wall of the housing. The tension plates are fixed to the tie reinforcement bars by nuts.

[0012] In some alternative embodiments, a cleaning pipeline is further provided at the top of the housing, and a cleaning valve is provided on the cleaning pipeline.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. The cleaning device designed by the present utility model can clean the inside of the gas collecting pipe through the insertion rod opening on the housing by operating the cleaning rod, preventing the slurry from blocking the gas collecting pipe. The slurry cleaned out enters the negative pressure automatic water drainer, and only by regularly operating the cleaning rod to clean can the normal extraction of gas be ensured.

[0015] 2. The designed cleaning rod can first scrape the slurry adhered to the inner wall of the gas collecting pipe by using the spiral rubber plate, and then further clean the inner wall through the brush bristles. The brush bristles can also clean the air inlet holes on the gas collecting pipe, and the cleaning effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings, where:

[0017] Figure 1 is a cross-sectional view of the gas drainage pipeline structure convenient for cleaning provided by the present utility model;

[0018] Figure 2 is Figure 1 a provided partial enlarged view.

[0019] In the drawings, the list of components represented by each reference numeral is as follows:

[0020] 1 - gas collecting pipe, 2 - concrete block, 3 - cleaning device, 3.1 - housing, 3.1.1 - first interface, 3.1.2 - second interface, 3.1.3 - third interface, 3.1.4 - insertion rod opening, 3.1.5 - tension plate, 3.2 - cleaning rod, 3.2.1 - rod part, 3.2.2 - brush bristles, 3.2.3 - rubber plate, 4 - drainage pipe, 5 - negative pressure automatic water drainer, 6 - sealing ring, 7 - cleaning pipeline, 8 - sealing cover, 9 - tie reinforcement bar. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 a limitation to the present utility model.

[0024] In addition, the descriptions involving the terms "first", "second", etc. in the present utility model are only for descriptive purposes, and should not be construed as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. The terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0026] Embodiment 1

[0027] As shown in the attached Figure 1 and attached Figure 2 figures, this embodiment provides a gas drainage pipeline structure that is convenient for cleaning, including a gas collecting pipe 1 arranged in a drainage hole, a concrete block 2 arranged at the orifice of the drainage hole for fixing the gas collecting pipe, and a cleaning device 3 connected to the gas collecting pipe.

[0028] The cleaning device 3 includes a housing 3.1 and a cleaning rod 3.2; on the left side of the housing 3.1, there is a first interface 3.1.1 connected to the gas collecting pipe 1, on the top, there is a second interface 3.1.2 connected to the gas drainage pipe 4, on the bottom, there is a third interface 3.1.3 connected to the negative pressure automatic water drainer 5, and on the right side, there is an inserting rod opening 3.1.4, in which there are multiple groups of sealing rings 6. The negative pressure automatic water drainer 5 can specifically adopt a WFS-0.2 type or a WFS-2 type negative pressure automatic water drainer, which is prior art and will not be elaborated here. The cleaning rod 3.2 includes a rod portion 3.2.1 and a brush hair 3.2.2 provided at one end of the rod portion. The cleaning rod 3.2 is arranged in the gas collecting pipe 1, and the rod portion 3.2.1 at the end far from the brush hair 3.2.2 is inserted into the inserting rod opening 3.1.4 and sealed by the sealing ring 6. During the gas drainage process, the cleaning rod is arranged in the gas collecting pipe, and the state is as shown in the appendix Figure 1 shown; when it is necessary to clean the gas collecting pipe, the cleaning rod is rotated and pulled out from the inserting rod opening, and the inner wall of the gas collecting pipe is cleaned by using the brush hair, and the adhered mud is taken out into the housing and then discharged into the negative pressure automatic water drainer. After the cleaning is completed, the cleaning rod can be inserted.

[0029] The cleaning device designed in this embodiment can operate the cleaning rod through the inserting rod opening on the housing to clean the inside of the gas collecting pipe, prevent the mud from blocking the gas collecting pipe, and only need to operate the cleaning rod regularly to ensure the normal extraction of gas.

[0030] Furthermore, a rubber plate 3.2.3 for scraping the wall is also provided in front of the brush hair 3.2.2 on the cleaning rod 3.2 for scraping and cleaning the inner wall of the gas collecting pipe. Preferably, the rubber plate 3.2.3 is spirally arranged on the cleaning rod 3.2. This design can first use the spiral rubber plate to scrape off the mud adhered to the inner wall of the gas collecting pipe, and then further clean the inner wall by using the brush hair. The brush hair can also clean the air inlet holes on the gas collecting pipe, and the cleaning effect is good.

[0031] Preferably, the rod portion 3.2.1 of the cleaning rod 3.2 is formed by screwing together multiple short rods. This design enables the cleaning rod to be disassembled when pulled out, preventing the need for a large operating space due to a long pulling length and meeting the construction requirements in a small space.

[0032] Preferably, a cleaning pipeline 7 is also provided on the top of the housing 3.1, and a cleaning valve is provided on the cleaning pipeline 7. This design can flush the inside of the housing through the cleaning pipeline and also play a role in diluting the mud.

[0033] Furthermore, a sealing cover 8 is also screwed on the inserting rod opening 3.1.4 to form a second sealing structure for the inserting rod opening 3.1.4. Since a first sealing structure is formed between the sealing ring of the inserting rod opening and the cleaning rod, the two sealing structures designed in this embodiment can effectively prevent the gas from overflowing.

[0034] Furthermore, multiple tie bars 9 are embedded in the concrete block 2, and a plurality of tension plates 3.1.5 are also provided on the outer wall of the housing 3.1. The tension plates 3.1.5 are fixed to the tie bars 9 by nuts. This design enables the cleaning device to be fixedly installed without forming a load on the connection end of the gas collecting pipe.

[0035] The above are only the embodiments of the present invention, and thus do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the specification of the present invention, or directly or indirectly applied in other related technical fields, shall similarly be included within the patent protection scope of the present invention.

Claims

1. A gas extraction pipeline structure that is easy to clean, comprising a gas collecting pipe arranged in an extraction hole and a concrete block arranged at the orifice of the extraction hole for fixing the gas collecting pipe; characterized in that: The gas collecting pipe is connected to a cleaning device; The cleaning device includes a shell and a cleaning rod. The left side of the shell is provided with a first interface connected to the gas collecting pipe, the top is provided with a second interface connected to the extraction pipe, the bottom is provided with a third interface connected to the negative pressure automatic water drainer, and the right side is provided with a rod insertion port, and a plurality of groups of sealing rings are provided in the rod insertion port; the cleaning rod includes a rod portion and bristles provided at one end of the rod portion, and the cleaning rod is provided in the gas collecting pipe, and the rod portion away from the end of the bristles is sealed by a sealing ring and inserted into the rod insertion port.

2. The gas extraction pipeline structure that is easy to clean according to claim 1 is characterized in that: A rubber plate for scraping the wall is also provided on the cleaning rod in front of the bristles, which is used for scraping and cleaning the inner wall of the air collecting pipe.

3. The gas extraction pipeline structure that is easy to clean according to claim 2 is characterized in that: The rubber plate is spirally arranged on the cleaning rod.

4. The gas extraction pipeline structure that is easy to clean according to claim 1 is characterized in that: The rod portion of the cleaning rod is formed by screwing a plurality of short rods.

5. The gas extraction pipeline structure that is easy to clean according to claim 1 is characterized in that: A sealing cover is also screwed on the rod insertion opening.

6. The gas extraction pipeline structure that is easy to clean according to claim 1 is characterized in that: A plurality of tie steel bars are embedded in the concrete block, and a plurality of tie plates are provided on the outer wall of the shell body. The tie plates are fixed on the tie steel bars through nuts.

7. The gas extraction pipeline structure that is easy to clean according to claim 1 is characterized in that: A cleaning pipeline is also provided on the top of the shell, and a cleaning valve is provided on the cleaning pipeline.

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