Gas extraction pipe with concentration detection function

By using stainless steel and deacidification components in the gas extraction pipe, and using quicklime to treat the hydrogen sulfide in the gas to generate calcium sulfide and water, the problem of corrosion of the gas extraction pipe by hydrosulfuric acid was solved, and the service life of the extraction pipe was extended.

CN223594233UActive Publication Date: 2025-11-25GUIZHOU DEANTAI TECH CO LTD
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Patent Information

Application Number
CN202423156528.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-11-25
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing gas extraction pipes are easily corroded by the hydrosulfuric acid present in the gas, leading to frequent replacements.

Method used

The extraction pipe body and desulfurization components are made of stainless steel. Gas is introduced through the gas inlet pipe and hydrogen sulfide is treated with quicklime to generate calcium sulfide and water. The hydrogen sulfide in the gas is removed and the generated water is collected to prevent corrosion.

Benefits of technology

It effectively protects the extraction pipe body, reduces the frequency of replacement, is easy to operate, and improves the service life of the extraction pipe.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223594233U_ABST
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Abstract

The utility model relates to the technical field of gas extraction, in particular to a gas extraction pipe with a concentration detection function, which comprises an extraction pipe body and a deacidification assembly, and the deacidification assembly comprises a gas inlet pipe, a connector, a treatment box and a deacidification plate. The gas inlet pipe, the connector and the treatment box are all made of stainless steel materials, gas and hydrogen sulfide are guided into the treatment box through the gas inlet pipe, the hydrogen sulfide is treated through quicklime on the deacidification plate to generate calcium sulfide and water, and therefore the hydrogen sulfide accompanying in the gas is removed, the gas is introduced into the extraction pipe body through the treatment box, and the gas is extracted from the extraction pipe body. Water generated by deacidification drips into the water collecting tank at the bottom of the treatment box to be collected, after a period of time, a worker takes down the water collecting tank to pour out water in the water collecting tank and takes out the deacidification plate to replace quick lime in the deacidification plate, operation is convenient and fast, the deacidification assembly is used for pretreating extracted gas, removing accompanying hydrogen sulfide in the gas, and the gas treatment efficiency is improved. And the extraction pipe body is protected from being eroded.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gas extraction technical field especially, it is a kind of gas extraction pipe with concentration detection. BACKGROUND

[0002] Gas extraction is to drill to coal seam and gas gathering area, connect drilling hole on special pipeline, use extraction equipment to extract gas in coal seam and goaf to ground, utilize, or discharge to total return air flow.

[0003] At present, prior art CN220267764U discloses a kind of gas extraction pipe, more particularly to gas extraction field, including gas extraction pipe, the bottom of gas extraction pipe is fixedly installed with collection box, the inside of collection box is slidably connected with floating element, the top of floating element is fixedly installed with triangular counterweight, the outer wall of triangular counterweight is fixedly connected with push plate, the bottom of push plate is provided with sealing plate, sealing plate is slidably connected on the inner wall of collection box, the top of sealing plate is fixedly connected with guide rod, guide rod is inserted in the inside of push plate, the outer wall of guide rod is sleeved with first spring, and first spring is fixedly installed on the top of push plate.The utility model discloses through floating element and sealing plate, with the increase of water in the inside of collection box, floating element will drive triangular counterweight to float and rise, finally make the water and coal dregs accumulated in the inside of collection box be discharged, to reach the effect of automatically discharging the water and coal dregs accumulated in the inside of collection box.

[0004] Due to the natural occurrence of a small amount of H2S gas in underground mining coal seam, during coal seam gas extraction, H2S gas is dissolved in the extraction drilling water along with the gas, forming hydrogen sulfide, and the above-mentioned gas extraction pipe is made of steel pipe material, hydrogen sulfide causes obvious corrosion to the gas extraction pipe, resulting in the need to frequently replace the gas extraction pipe. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of gas extraction pipe with concentration detection, to solve the problem that existing gas extraction pipe is easily corroded by hydrogen sulfide accompanied in gas, and needs to be frequently replaced.

[0006] To achieve the above-mentioned purpose, the utility model provides a kind of gas extraction pipe with concentration detection, including extraction pipe body and deacidification component, the deacidification component is arranged at one side of the extraction pipe body, the deacidification component includes air inlet pipe, connector, processing case, deacidification plate and water collecting tank;The processing case is communicated with the extraction pipe body, and located at one side of the extraction pipe body, the deacidification plate is detachably connected with the processing case, and penetrates the processing case, the connector is fixedly connected with the processing case, and located at one side of the processing case away from the extraction pipe body, the air inlet pipe is communicated with the connector, and located at one side of the connector, the water collecting tank is detachably connected with the processing case, and located at the bottom of the processing case.

[0007] The deacidification plate comprises a deacidification net and a sealing plate, the sealing plate is detachably connected with the treatment box and penetrates the treatment box, and the deacidification net is detachably connected with the sealing plate and located on one side of the sealing plate.

[0008] The sealing plate comprises a sealing plate body, a sealing ring and a handle, the sealing plate body is detachably connected with the treatment box and penetrates the treatment box, the sealing ring is fixedly connected with the sealing plate body and located on one side of the sealing plate body, and the handle is fixedly connected with the sealing plate body and located on the side of the sealing plate body away from the deacidification net.

[0009] The gas extraction pipe with concentration detection comprises a convex ring and a clamping rod, the convex ring is fixedly connected with the sealing plate body and located on the side of the sealing plate body away from the deacidification net, and the clamping rod is slidably connected with the treatment box and located on the side of the treatment box close to the convex ring.

[0010] The gas extraction pipe with concentration detection further comprises a temperature sensor and a carbon monoxide detector, the temperature sensor is in communication with and penetrates the extraction pipe body, and the carbon monoxide detector is in communication with and penetrates the extraction pipe body.

[0011] The gas extraction pipe with concentration detection comprises a convex ring and a clamping rod, the convex ring is fixedly connected with the sealing plate body and located on the side of the sealing plate body away from the deacidification net, and the clamping rod is slidably connected with the treatment box and located on the side of the treatment box close to the convex ring. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0013] Figure 1 is a structural schematic view of the gas extraction pipe with concentration detection.

[0014] Figure 2 is another direction structure schematic view of the gas extraction pipe with concentration detection.

[0015] Figure 3 is a side view of the gas extraction pipe with concentration detection.

[0016] Figure 4 is Figure 3 sectional view along A-A plane.

[0017] In the figure: 1-extraction pipe body, 2-acid removal assembly, 3-inlet pipe, 4-connector, 5-treatment box, 6-acid removal plate, 7-water collecting tank, 8-acid removal net bag, 9-sealing plate, 10-sealing plate body, 11-sealing ring, 12-lifting handle, 13-convex ring, 14-clamping rod, 15-temperature sensor, 16-carbon monoxide detector. DETAILED DESCRIPTION

[0018] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0019] Please refer to Figures 1 to 4 The present application provides a kind of gas extraction pipe with concentration detection, including extraction pipe body 1 and acid removal assembly 2, the acid removal assembly 2 is arranged in the extraction pipe body 1 side, the acid removal assembly 2 includes inlet pipe 3, connector 4, treatment box 5, acid removal plate 6 and water collecting tank 7;The treatment box 5 with the extraction pipe body 1 is communicated, and located in the extraction pipe body 1 side, the acid removal plate 6 with the treatment box 5 can be detachably connected, and penetrate the treatment box 5, the connector 4 with the treatment box 5 fixed connection, and located in the treatment box 5 side away from the extraction pipe body 1, the inlet pipe 3 with the connector 4 is communicated, and located in the connector 4 side, the water collecting tank 7 with the treatment box 5 can be detachably connected, and located in the bottom of the treatment box 5.

[0020] In the embodiment, the extraction pipe body 1 is used for extracting gas underground, the air inlet pipe 3, the connecting head 4 and the treatment box 5 are all made of stainless steel, gas and hydrogen sulfide are introduced into the treatment box 5 through the air inlet pipe 3, hydrogen sulfide is treated by the quicklime on the deacidification plate 6 to generate calcium sulfide and water, thereby removing hydrogen sulfide accompanying in the gas, the gas is introduced into the extraction pipe body 1 through the treatment box 5 to realize the collection of the gas, and the water generated by deacidification is collected in the water collecting groove 7 at the bottom of the treatment box 5, after a period of time, the worker takes down the water collecting groove 7 to pour the water therein, and takes out the deacidification plate 6 to replace the quicklime therein, so that the operation is convenient and fast, the water collecting groove 7 and the treatment box 5 are detachably connected (prior art), the deacidification assembly 2 is used for pretreating the extracted gas to remove hydrogen sulfide accompanying in the gas, and protects the extraction pipe body 1 from being eroded, thereby solving the problem that the existing gas extraction pipe is easily corroded by hydrogen sulfide accompanying in the gas and needs to be frequently replaced.

[0021] Further, the deacidification plate 6 comprises a deacidification net bag 8 and a sealing plate 9, the sealing plate 9 is detachably connected with the treatment box 5 and penetrates through the treatment box 5, and the deacidification net bag 8 is detachably connected with the sealing plate 9 and located on one side of the sealing plate 9.

[0022] In the embodiment, the deacidification net bag 8 is internally provided with quicklime and detachably connected with the sealing plate 9 (prior art), the quicklime in the deacidification net bag 8 reacts with hydrogen sulfide in the gas to generate calcium sulfide and water, and the chemical reaction formula is CaO+H2S=CaS+H2O, and the sealing plate 9 is arranged to arrange the deacidification net bag 8 in the treatment box 5.

[0023] Further, the sealing plate 9 comprises a sealing plate body 10, a sealing ring 11 and a handle 12, the sealing plate body 10 is detachably connected with the treatment box 5 and penetrates through the treatment box 5, the sealing ring 11 is fixedly connected with the sealing plate body 10 and located on one side of the sealing plate body 10, and the handle 12 is fixedly connected with the sealing plate body 10 and located on the side of the sealing plate body 10 away from the deacidification net bag 8.

[0024] In the embodiment, the sealing plate body 10 is arranged to arrange the deacidification net bag 8 in the treatment box 5, after the sealing plate body 10 is installed on the treatment box 5, the sealing is performed through the sealing ring 11 to improve the air tightness of the connection between the sealing plate body 10 and the treatment box 5, thereby avoiding air leakage of the treatment box 5, the handle 12 is arranged to facilitate the worker to take and remove the sealing plate body 10, and the sealing ring 11 is made of stainless steel.

[0025] Further, the gas extraction pipe with concentration detection comprises a convex ring 13 and a clamping rod 14, the convex ring 13 is fixedly connected with the sealing plate body 10 and located on the side of the sealing plate body 10 away from the acid removal net bag 8, and the clamping rod 14 is slidably connected with the processing box 5 and located on the side of the processing box 5 close to the convex ring 13.

[0026] In the embodiment, the convex ring 13 is fixed on the sealing plate body 10, after the sealing plate body 10 is installed on the processing box 5, the worker pushes the clamping rod 14 by hand, so that the clamping rod 14 slides on the processing box 5 and is inserted into the convex ring 13, thereby clamping the sealing plate body 10, and the clamping and fixing of the sealing plate body 10 and the processing box 5 are realized.

[0027] Further, the gas extraction pipe with concentration detection further comprises a temperature sensor 15 and a carbon monoxide detector 16, the temperature sensor 15 is in communication with the extraction pipe body 1 and penetrates through the extraction pipe body 1, and the carbon monoxide detector 16 is in communication with the extraction pipe body 1 and penetrates through the extraction pipe body 1.

[0028] In the embodiment, the temperature sensor 15 and the carbon monoxide detector 16 are common devices on the market, the temperature sensor 15 is used for sensing the temperature of the gas in the extraction pipe body 1 in real time, and the carbon monoxide detector 16 is used for detecting the content of carbon monoxide in the extraction pipe body 1 in real time, when the detected temperature and carbon monoxide content are abnormal (preset abnormal value), the control end can be notified to inject nitrogen into the goaf or take other effective fire extinguishing measures in time, and the safety of underground is ensured.

[0029] The above only discloses a preferred embodiment of the gas extraction pipe with concentration detection, and cannot limit the scope of the rights of the present application, and those skilled in the art can understand that all or part of the processes of the above embodiment are implemented, and equivalent changes are made according to the claims of the present application, which still belongs to the scope covered by the present application.

Claims

1. A gas extraction pipe with concentration detection, characterized by ; The gas extraction pipe comprises a pipe body and a deacidification assembly arranged on one side of the pipe body, the deacidification assembly comprising an air inlet pipe, a connecting head, a treatment box, a deacidification plate and a water collecting tank. The treatment box is in communication with the pipe body and arranged on one side of the pipe body, the deacidification plate is detachably connected with the treatment box and penetrates through the treatment box, the connecting head is fixedly connected with the treatment box and arranged on the side of the treatment box away from the pipe body, the air inlet pipe is in communication with the connecting head and arranged on one side of the connecting head, and the water collecting tank is detachably connected with the treatment box and arranged at the bottom of the treatment box.

2. Gas extraction pipe with concentration detection according to claim 1, characterized in that ; The deacidification plate comprises a deacidification net bag and a sealing plate, the sealing plate is detachably connected with the treatment box and penetrates through the treatment box, the deacidification net bag is detachably connected with the sealing plate and arranged on one side of the sealing plate, the sealing plate comprises a sealing plate body, a sealing ring and a handle, the sealing plate body is detachably connected with the treatment box and penetrates through the treatment box, the sealing ring is fixedly connected with the sealing plate body and arranged on one side of the sealing plate body, and the handle is fixedly connected with the sealing plate body and arranged on the side of the sealing plate body away from the deacidification net bag.

3. Gas extraction pipe with concentration detection according to claim 2, characterized in that ; The gas extraction pipe with concentration detection further comprises a temperature sensor and a carbon monoxide detector, the temperature sensor is in communication with the pipe body and penetrates through the pipe body, and the carbon monoxide detector is in communication with the pipe body and penetrates through the pipe body. The gas extraction pipe with concentration detection further comprises a temperature sensor and a carbon monoxide detector, the temperature sensor is in communication with the pipe body and penetrates through the pipe body, and the carbon monoxide detector is in communication with the pipe body and penetrates through the pipe body.

Citation Information

Patent Citations

  • Gas extraction pipe

    CN220267764U