CN215172937U - Stainless steel gas drainage hose for mine - Google Patents
Stainless steel gas drainage hose for mine Download PDFInfo
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- CN215172937U CN215172937U CN202121047164.1U CN202121047164U CN215172937U CN 215172937 U CN215172937 U CN 215172937U CN 202121047164 U CN202121047164 U CN 202121047164U CN 215172937 U CN215172937 U CN 215172937U
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- pipe body
- stainless steel
- drainage hose
- gas drainage
- steel gas
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Abstract
The utility model discloses a mining stainless steel gas drainage hose, which can be connected with a gas detector to detect the tightness of the mining stainless steel gas drainage hose, and comprises a stainless steel hose body, a first pipe body and a second pipe body, wherein the two ends of the second pipe body are provided with closing pieces which are attached to the outer peripheral surface of the first pipe body, so that a closed cavity is formed between the second pipe body and the first pipe body; the second tube body is telescopic and can cover the whole peripheral surface of the first tube body or the partial peripheral surface of the first tube body; the outer peripheral surface of the second tube body is also provided with a detection hole for being connected with a gas detector. An embodiment of the utility model provides a mining stainless steel gas drainage hose has solved the problem that current exhaust tube can not in time discover body gas leakage.
Description
Technical Field
The utility model relates to a metal collapsible tube technical field, in particular to mining stainless steel gas drainage hose.
Background
At present, a stainless steel hose is an important part in modern industry, the stainless steel hose can adapt to a complex terrain environment and has excellent performances such as high strength, corrosion resistance, high temperature resistance and the like, so that the stainless steel hose can be widely used for pumping gas in engineering, and the phenomenon of gas leakage can occur in some inevitable pipelines, but a lot of toxic gases are colorless and tasteless, such as gas in coal mines. Current methods of inspecting gas lines rely on artificial hearing for inspection in the traditional manner. Some air extraction pipelines have small air leakage, and no sound or little sound is generated. Meanwhile, the working environment is complex, the air leakage can not be detected due to the running of the belt conveyor, the air cylinder, the air leakage caused by compressed air and the overflowing sound in the pipeline, and the life safety of workers is greatly harmed.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model provides a bleed and use stainless steel hose aims at solving the problem that current exhaust tube can not in time discover the pipeline gas leakage.
Realize above-mentioned purpose, the utility model discloses a mining stainless steel gas drainage hose can be connected with this with gaseous detector and detect mining stainless steel gas drainage hose's seal, mining stainless steel gas drainage hose includes:
the stainless steel hose body is divided into a first pipe body and a second pipe body, and the two ends of the second pipe body are provided with closing parts which are attached to the outer peripheral surface of the first pipe body, so that a closed cavity is formed between the second pipe body and the first pipe body;
the second pipe body is telescopic and can cover the whole peripheral surface of the first pipe body or the partial peripheral surface of the first pipe body;
and the peripheral surface of the second pipe body is also provided with a detection hole for connecting with the gas detector.
Optionally, the closing member is a rubber ring, and the rubber ring is fixedly connected to two end portions of the second pipe body.
Optionally, the second pipe body is a woven mesh sleeve, and an EVOH layer is coated on the inner circumferential surface of the woven mesh sleeve.
Optionally, the first pipe body is a corrugated pipe, and a nylon layer is coated on the inner wall of the corrugated pipe.
Optionally, the diameter of the first pipe body is phi 32 mm-phi 200 mm.
Optionally, a dust removal component is arranged inside the first pipe body, and the dust removal component is respectively arranged at the air inlet and the air outlet of the first pipe body.
Optionally, the dust removal part comprises a first filter screen and a second filter screen, the first filter screen is connected with the first pipe body air inlet, and the second filter screen is connected with the first pipe body air outlet.
Optionally, the aperture of the first filter is 5-10 μm, and the aperture of the second filter is 0-5 μm.
Optionally, the two ends of the first pipe body are further provided with connecting portions, and the connecting portions can be connected with an air exhaust device quickly.
Optionally, the connection portion may be one of a flange connection, a threaded connection, or a quick-coupling connection.
The utility model provides a mining stainless steel gas drainage hose, stainless steel hose include first body and second body, and the second body passes through the closing member cover and establishes on first body, just forms an inclosed cavity between first body and the second body like this, sets up a inspection hole on the second body, and gaseous detector is connected with the inspection hole. Under the normal condition, gaseous complete through first body is collected, if first body has the damage, gaseous will enter into the airtight cavity that forms between first body and the second body in, gaseous detector will detect, if gas concentration reaches certain standard, can stop continuing to bleed, has ensured staff's personal safety. The second tube body is telescopic, and the second tube body can be moved to different tube sections on the peripheral surface of the first tube body to measure the gas concentration, so that a specific gas leakage position is positioned.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for the staff of ordinary skill in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of a stainless steel gas drainage hose for a mine according to an embodiment of the present invention;
fig. 2 is a sectional view taken along a-a in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 140 | |
2111 | |
| 152 | |
2112 | |
| 1521 | |
211 | |
| 163 | Connecting part | 200 | A first pipe body |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In the production work process, for example in the collection process of the gas of colliery or the collection process of natural gas, general staff all can adopt the pliability good, intensity is high, and high temperature resistant corrosion resistant stainless steel hose as the instrument of gathering, and probably stainless steel hose can cause this colourless and tasteless gas to reveal because of various reasons in the collection process, in case these poisonous gas reveal can threaten staff's physical and mental health safety on every side when reaching certain concentration. .
The utility model provides a mining stainless steel gas drainage hose can be when the staff is bleeding the operation, the problem of timely discovery exhaust duct gas leakage. In order to better understand the technical scheme, the technical scheme is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a mining stainless steel gas drainage hose, which can be connected with a gas detector to detect the tightness of the mining stainless steel gas drainage hose, the mining stainless steel gas drainage hose comprises a stainless steel hose body, a first pipe body 200 and a second pipe body 152, sealing parts (not shown in the figure) are arranged at two ends of the second pipe body 152, and the sealing parts are attached to the outer peripheral surface of the first pipe body 200, so that a closed cavity is formed between the second pipe body 152 and the first pipe body 200; the second tube 152 is flexible and can cover the whole outer circumferential surface of the first tube 200 or cover a part of the outer circumferential surface of the first tube 200; the second tube 152 is further provided with a detecting hole 1521 on its outer circumferential surface for connecting with a gas detector.
In the technical scheme that this embodiment adopted, the stainless steel hose includes first body 200 and second body 152, and second body 152 overlaps on first body 200 through the closing part cover, just so forms a inclosed cavity between first body 200 and the second body 152, offers a inspection hole 1521 on the second body 152, and the gas detection appearance is connected with inspection hole 1521, and inspection hole 1521 can be the rubber mouth that can close automatically or the metal hole that can lock, does not do the restriction here. Under the normal condition, gaseous complete through first body 200 is collected, if first body 200 has the damage, gaseous will enter into the airtight cavity that forms between first body 200 and the second body 152, and the gas detection appearance will detect, if gas concentration reaches certain standard, can stop continuing to bleed, has ensured staff's personal safety. The second tube 152 is flexible, and the second tube 152 can be moved to different sections of the outer periphery of the first tube 200 for measuring the gas concentration, so as to locate a specific gas leakage position.
Further, as shown in fig. 1 and 2, the sealing member is a rubber ring 140, and the rubber ring 140 is fixedly connected to two end portions of the second tube 152.
In the technical scheme that this embodiment adopted, the rubber ring 140 of connection at second body 152 both ends has certain elasticity, the groove of the outer peripheral face of rubber ring 140 and first body 200 is laminated mutually, just so make and form an inclosed cavity between first body 200 and the second body 152, be convenient for reveal gaseous monitoring, and have elastic rubber ring 140 and can slide along the outer peripheral face of first body 200, thereby drive the different pipeline sections of second body 152 and first body 200 and form inclosed cavity, be convenient for reveal gaseous monitoring. The sealing element may also be a fixing ring for attaching two ends of the second tube 152 to the outer circumferential surface of the first tube 200, which is not limited specifically.
Further, the second tube 152 is a woven mesh, and an EVOH layer is coated on the inner circumferential surface of the woven mesh.
In the technical scheme that this embodiment adopted, for guaranteeing that second body 152 has certain toughness and intensity, the second body adopts the metal to weave the dictyosome. In order to form a sealed chamber between the first tube 200 and the second tube 152, an EVOH layer, which is a high barrier material, is coated on the inner circumferential surface of the second tube 152.
Further, the first pipe 200 is a corrugated pipe, and a nylon layer is coated on the inner wall of the corrugated pipe.
In the technical scheme that this implementation example adopted, first body 200 adopts the bellows to carry out gaseous extraction, and the bellows has pliability good, can carry out irregular turn, flexible, and bellows inner wall scribbles the nylon layer for the bellows has that the leakproofness is strong, electrical insulation is high, and anti fatigue coefficient is big and advantage such as high temperature resistant corrosion. Certainly, in order to achieve the same effect, the coating can also be made of high polymer materials such as organic silicon, fluorine and the like; the material of the corrugated pipe may be stainless steel band SUS304 or SUS301, and the specific material is not limited.
Further, the diameter of the first pipe body 200 is phi 32 mm-phi 200mm
In the technical scheme that this embodiment adopted, in order to adapt to different operational environment, the pipe diameter of first body 200 can set up a plurality of different sizes, and the scope of size is 32mm-200mm in this embodiment, as long as there is the pipe diameter of bellows to fall into this within range, all belong to the protection scope of this patent.
Further, a dust removing component 211 is disposed inside the first pipe body 200, and the dust removing component 211 is disposed at the air inlet and the air outlet of the first pipe body 200, respectively.
In the technical scheme that this implementation example adopted, first body 200 is when extracting some gases, for example the gas in the coal mine, some fly ash have more or less been mingled with in the gas, when using first body 200 to bleed, if not filter, can make these fly ash collect in first body, will block up first body 200 in the time of the end of a long time, the efficiency of work has been reduced, and first body 200 is when extracting gas, the extraction speed is not little, if still mingled with some fly ash, these fly ash take place the friction with the pipe wall, the very easy explosion that takes place, so, all be provided with dust removal part 211 at the air inlet and the gas outlet of first body.
Further, the dust removing part 211 includes a first filter 2111 and a second filter 2112, the first filter 2111 is connected to the air inlet of the first pipe 200, and the second filter 2112 is connected to the air outlet of the first pipe 200.
In the technical scheme that this embodiment example adopted, dust removal part 211 is provided with two filter screens, first filter screen 2111 and second filter screen 2112, two filter screens are connected with the air inlet and the gas outlet of first body 200 respectively, the gas of first body extraction can give the most dust in the extraction gas through two-layer filtration like this and filter, first filter screen 2111 all sets up to the infundibulate with second filter screen 2112, be equipped with the filter screen on the outer peripheral face of funnel, establish the collection of the dust of being convenient for of funnel shape. The first filter 2111 and the second filter 2112 are detachably connected to the first pipe 200, and when the amount of dust attached to the first filter 2111 and the second filter 2112 is large, the first filter 2111 and the second filter 2112 can be detached for cleaning. The steel plate with the fine holes can be further adopted to filter dust in the gas, and the specific mode is not limited.
Further, the aperture of the first filter 2111 is 5 to 10 μm, and the aperture of the second filter 2112 is 0 to 5 μm.
In the technical solution adopted in this embodiment, the first filter 2111 is connected to the air inlet of the first pipe body 200, so the first filter 2111 can filter large-particle dust for the first time, the aperture of the first filter 2111 is 5 to 10 μm, and some dust with smaller particles inevitably exists in the air filtered by the first filter 2111, so the second filter 2112 is further disposed at the air outlet of the first pipe body 200 for filtering, and the aperture of the second filter 2112 is smaller than that of the first filter 2111, and the preferred range is 0 to 5 μm. All the filter screens with the same function have the aperture within the range, and are protected by the patent.
Further, the two ends of the first pipe 200 are further provided with a connecting portion 163, and the connecting portion 163 can be connected with an air extracting device quickly.
In the technical scheme that this implementation example adopted, for guaranteeing that first body 200 can conveniently be connected with air exhaust device, set up connecting portion on the both ends of first body 200.
Further, the connection portion 163 may be one of a flange connection, a screw connection, or a quick coupling connection.
In the technical solution adopted in this embodiment, in order to enable the connection portion 163 to be connected with the air exhaust device quickly and hermetically, one connection manner of a flange connection, a screw connection, or a quick coupling connection may be adopted, and the specific connection manner is not limited.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A mining stainless steel gas drainage hose capable of being connected with a gas detector to detect the tightness of the mining stainless steel gas drainage hose, characterized in that the mining stainless steel gas drainage hose comprises:
the stainless steel hose body is divided into a first pipe body and a second pipe body, and the two ends of the second pipe body are provided with closing parts which are attached to the outer peripheral surface of the first pipe body, so that a closed cavity is formed between the second pipe body and the first pipe body;
the second pipe body is telescopic and can cover the whole peripheral surface of the first pipe body or the partial peripheral surface of the first pipe body;
and the peripheral surface of the second pipe body is also provided with a detection hole for connecting with the gas detector.
2. The mining stainless steel gas drainage hose according to claim 1, wherein the closing member is a rubber ring fixedly connected to both ends of the second pipe body.
3. The mining stainless steel gas drainage hose according to claim 1, wherein the second tube is a woven mesh, and an EVOH (ethylene vinyl alcohol copolymer) layer is coated on the inner circumferential surface of the woven mesh.
4. The mining stainless steel gas drainage hose according to claim 1, wherein the first pipe body is a corrugated pipe, and a nylon layer is coated on the inner wall of the corrugated pipe.
5. The mining stainless steel gas drainage hose according to claim 4, wherein the first pipe body has a pipe diameter of phi 32mm to phi 200 mm.
6. The mining stainless steel gas drainage hose according to claim 1, wherein a dust removal component is arranged inside the first pipe body, and the dust removal component is respectively arranged at the gas inlet and the gas outlet of the first pipe body.
7. The mining stainless steel gas drainage hose according to claim 6, wherein the dust removal component comprises a first filter and a second filter, the first filter is connected with the first pipe body air inlet, and the second filter is connected with the first pipe body air outlet.
8. The mining stainless steel gas drainage hose according to claim 7, wherein the first filter screen has a pore size of 5-10 μm, and the second filter screen has a pore size of 0-5 μm.
9. The mining stainless steel gas exhaust hose according to claim 4, wherein the first pipe body is further provided with connecting parts at two ends, and the connecting parts can be rapidly connected with an air exhaust device.
10. The mining stainless steel gas drainage hose of claim 9, wherein the connection portion is one of a flanged connection, a threaded connection, or a quick connector connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121047164.1U CN215172937U (en) | 2021-05-17 | 2021-05-17 | Stainless steel gas drainage hose for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121047164.1U CN215172937U (en) | 2021-05-17 | 2021-05-17 | Stainless steel gas drainage hose for mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215172937U true CN215172937U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121047164.1U Active CN215172937U (en) | 2021-05-17 | 2021-05-17 | Stainless steel gas drainage hose for mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215172937U (en) |
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2021
- 2021-05-17 CN CN202121047164.1U patent/CN215172937U/en active Active
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