CN112066268A - Leakage self-reminding ring at natural gas pipeline joint - Google Patents
Leakage self-reminding ring at natural gas pipeline joint Download PDFInfo
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- CN112066268A CN112066268A CN202010846905.6A CN202010846905A CN112066268A CN 112066268 A CN112066268 A CN 112066268A CN 202010846905 A CN202010846905 A CN 202010846905A CN 112066268 A CN112066268 A CN 112066268A
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- natural gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
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Abstract
The invention discloses a natural gas pipeline joint leakage self-reminding ring, which belongs to the field of natural gas leakage prevention, and comprises ring bodies connected at two natural gas pipeline joints, wherein through the arrangement of the ring bodies, when natural gas leakage occurs, on one hand, the gas seal ring expands under the extrusion of natural gas, and the contact area between the gas seal ring and the surface of a natural gas pipeline is increased, so that the sealing effect is better, the phenomenon generated outside the ring bodies is effectively ensured to be more obvious, the reminding effect on users is better, on the other hand, the pneumatic diaphragm deforms outwards, so that a self-knotting net rod is driven to sequentially protrude outwards from the middle part to the edge of a limiting plate, a plurality of adjacent hollow top balls and adsorption strips are mutually adsorbed and connected to form a net surface structure, the self-reminding phenomenon is further increased, and the probability of the users for timely discovering the natural gas leakage is effectively increased, is convenient to maintain and reduces the potential safety hazard.
Description
Technical Field
The invention relates to the field of natural gas leakage prevention, in particular to a leakage self-reminding ring at a natural gas pipeline joint.
Background
Natural gas is trapped in underground porous rock formations, including oil field gas, gas field gas, coal bed gas, mud volcanic gas, biogenic gas, and the like, and a small amount of natural gas is also released from the coal bed. It is a high-quality fuel and chemical raw material.
The natural gas is mainly used as fuel, can be used for producing carbon black, chemicals and liquefied petroleum gas, and the propane and butane produced by the natural gas are important raw materials of modern industry. Natural gas is composed mainly of gaseous low molecular hydrocarbons mixed with non-hydrocarbon gases.
Mainly composed of methane (85%) and small amounts of ethane (9%), propane (3%), nitrogen (2%) and butane (1%). The catalyst is mainly used as fuel and also used as raw materials for producing chemical compounds such as acetaldehyde, acetylene, ammonia, carbon black, ethanol, formaldehyde, hydrocarbon fuel, hydrogenated oil, methanol, nitric acid, synthesis gas, vinyl chloride and the like. Natural gas is compressed into liquids for storage and transportation. Coal miners, nitric acid producers, power plant workers, organic chemical synthesis workers, gas users, petroleum refiners, and the like have access to the product. Mainly enters human body through respiratory tract. Belongs to a pure asphyxia gas. Hypoxia is caused by air replacement when the concentration is high, so that the respiration is short and the consciousness is lost; the serious patient may die due to hypoxemia suffocation. High pressure natural gas can cause frostbite. Incomplete combustion can produce carbon monoxide.
The ageing phenomenon takes place easily at natural gas line kneck after long-time the use, has the possibility of gas leakage, and when the leakage quantity was less for the natural gas, hardly discover, because its inflammability, there was great potential safety hazard.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a natural gas pipeline joint leakage self-reminding ring, through the arrangement of a ring body, when natural gas leakage occurs, on one hand, a gas seal ring expands under the extrusion of natural gas, the contact area between the gas seal ring and the surface of a natural gas pipeline is increased, the sealing effect is better, the phenomenon occurring outside the ring body is effectively ensured to be more obvious, the reminding effect on a user is better, on the other hand, a pneumatic diaphragm deforms outwards, so that a self-connecting net rod is driven to sequentially protrude outwards from the middle part to the edge of a limiting plate, a plurality of adjacent hollow top balls and adsorption flexible strips are mutually in adsorption connection, a net surface structure is formed, the self-reminding phenomenon is further increased, the probability that the user finds the natural gas leakage in time is effectively increased, the maintenance is convenient, and the potential safety hazard is reduced.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A leakage self-reminding ring at a natural gas pipeline joint comprises ring bodies connected at two natural gas pipeline joints, wherein one opening inner wall of each ring body is fixedly connected with a fixing ring, the inner wall of each fixing ring is fixedly connected with one natural gas pipeline outer wall, the other opening inner wall of each ring body is fixedly connected with an air seal ring, the inner wall of each air seal ring is in extrusion contact with the other natural gas pipeline outer wall, a plurality of self-reminding holes which are uniformly distributed are drilled at the outer end of each ring body, a pneumatic diaphragm is fixedly connected with the inner wall of each self-reminding hole, a limiting plate is fixedly connected with the opening part of each self-reminding hole facing outwards, a plurality of self-knotting net rods which are uniformly distributed are fixedly connected at the upper end of each pneumatic diaphragm, each self-knotting net rod movably penetrates through the limiting plate, the upper end of each self-knotting net rod is positioned above the limiting plate and is, the air duct intercommunication is from reminding hole and atmoseal ring, through the setting of ring body, when the natural gas that takes place leaks, on the one hand, atmoseal ring is inflation under the natural gas extrusion, increase the area of contact on atmoseal ring and natural gas line surface, make sealed effect better, thereby effectively guarantee that the phenomenon that the ring body takes place outward is more obvious, make the warning effect to the user better, on the other hand, pneumatic diaphragm takes place outside deformation, thereby it is protruding outward to the limiting plate in proper order to drive from the middle part net pole to the edge, a plurality of adjacent hollow knob balls and absorption are connected each other by absorption softly, form the wire side structure, further increase from the phenomenon of reminding, effectively increase the user in time discovers the probability that the natural gas leaked, be convenient for maintain, and the potential safety hazard is reduced.
Further, pneumatic diaphragm is made for elastic sealing material, and when natural gas takes place to leak, pneumatic diaphragm can adapt to and take place deformation under the effect of natural gas, is convenient for in time remind the leakage of user's natural gas, the limiting plate is porous network structure, and when pneumatic diaphragm took place outside deformation, be convenient for remove in the limiting plate from the net pole of tying to outside extending the limiting plate, further increaseing the warning phenomenon when natural gas leaks, effectively increase the probability of being discovered, thereby in time maintain, reduce the potential safety hazard.
Further, the gas seal ring includes the shaping layer and the pneumatic layer of fixed connection at shaping layer tip with intra-annular wall fixed connection, pneumatic layer and shaping layer structure as an organic whole, shaping in situ portion packs has elastic particle, under normal conditions, pneumatic layer and the surface extrusion contact of ring body to space between sealing ring body and the natural gas pipeline, when the natural gas takes place to leak, partial gas enters into the gas seal ring along the air duct in, makes the gas seal ring inflation, thereby adds the area of contact on gas seal ring and natural gas pipeline surface, makes sealed effect better, thereby effectively guarantees that the phenomenon that the ring body takes place outward is more obvious, makes warning effect and effect to the user better.
Furthermore, the inside packing of air duct has the penetrating layer, the penetrating layer is many through hole materials, and the penetrating layer space is less than the particle diameter of elastic particle, and the elastic particle is effectively protected to the penetrating layer, effectively avoids the elastic particle to pass through the air duct and outwards takes place to leak.
Further, the elastic particles include silica gel particles and a plurality of fixed marbles fixedly connected with the inner wall of the pneumatic layer, after natural gas leaks, the air seal ring is more tightly connected with the outer wall of the natural gas pipeline, the fixed marbles can effectively improve the connection strength between the pneumatic layer and the outer wall of the natural gas pipeline, the sealing strength is further improved, and therefore the self-reminding ring is effectively guaranteed, and potential safety hazards are effectively reduced.
Further, the design layer is made of hard materials, and the pneumatic layer is made of elastic materials, so that corresponding deformation can occur when natural gas leaks.
Further, from netting the pole include with pneumatic diaphragm fixed connection's outer extension rod, connect the hollow knob that extends the pole upper end outside, hollow knob contacts with the limiting plate upper surface, a plurality of soft strips of absorption of hollow knob lower tip fixedly connected with, when the natural gas takes place to leak, from netting the pole along with the outside deformation of pneumatic diaphragm, follow limiting plate surface salient gradually to when pneumatic diaphragm deformation, because the outward flange is fixed, therefore the outside deformation takes place for the first in center department, the net pole that binds from at the middle part rises first promptly, the soft strip of absorption of its below can be close to gradually rather than adjacent hollow knob, thereby can adsorb each other with hollow knob, along with from the ascending in proper order of netting the pole, a plurality of soft strips of absorption can be connected a plurality of hollow knobs each other, form the net surface structure, further increase from the phenomenon of reminding.
Further, hollow top ball inside packing has a plurality of internal absorption balls, internal absorption ball and the gentle strip of absorption are magnetic material and make, are convenient for hollow top ball and the adjacent mutual absorption of adsorbing between the gentle strip, outer extension rod and hollow top ball are the stereoplasm structure for from tying the whole certain bearing capacity that has of net pole, thereby make pneumatic diaphragm when taking place deformation, its passing limiting plate that can be smooth rises.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme passes through the setting of ring body, when taking place the natural gas and leaking, on the one hand, the atmoseal ring is in the inflation under the natural gas extrusion, increase the area of contact on atmoseal ring and natural gas line surface, make sealed effect better, thereby effectively guarantee that the phenomenon that the ring takes place outward more obvious, make the warning effect to the user better, on the other hand, pneumatic diaphragm takes place outside deformation, thereby it is outstanding outward to the limiting plate in proper order from the middle part to the edge from the net pole to drive, a plurality of adjacent hollow knob balls adsorb with adsorb gentle strip and be connected each other, form the wire side structure, further increase is from the phenomenon of reminding, effectively increase the probability that the user in time discovers the natural gas leakage, be convenient for maintain, reduce the potential safety hazard.
(2) Pneumatic diaphragm is made for elastic sealing material, when the natural gas takes place to leak, deformation can take place for the pneumatic diaphragm to adapt to under the effect of natural gas, be convenient for in time remind the leakage of user's natural gas, the limiting plate is porous network structure, when pneumatic diaphragm takes place outside deformation, be convenient for remove in the limiting plate from the net pole of tying to outside extending the limiting plate, further increaseing the warning phenomenon when natural gas leaks, the probability of effective increase being discovered, thereby in time maintain, reduce the potential safety hazard.
(3) The gas seal ring includes the shaping layer and the pneumatic layer of fixed connection at shaping layer tip with intra-annular wall fixed connection, pneumatic layer and shaping layer structure as an organic whole, shaping in situ portion fills there is elastic particle, under normal conditions, pneumatic layer and external surface extrusion contact of ring, thereby seal the space between ring body and the natural gas pipeline, when the natural gas takes place to leak, partial gas enters into the gas seal ring along the air vent, make the gas seal ring inflation, thereby add the area of contact on gas seal ring and natural gas pipeline surface, make sealed effect better, thereby effectively guarantee that the phenomenon that the ring takes place is more obvious outward, make warning effect and effect to the user better.
(4) The inside packing of air channel has the penetrating layer, and the penetrating layer is for leading to the thru hole material that leads to, and the penetrating layer space is less than the particle diameter of elastic particle, and the elastic particle is effectively protected to the penetrating layer, effectively avoids the elastic particle to pass through the air channel and to the external emergence leak.
(5) Elastic particle includes silica gel granule and a plurality of and pneumatic layer inner wall fixed connection's fixed marble, and after natural gas leaked, the gas seal ring was inseparabler with the natural gas line outer joint, and the marble was decided this moment and the joint strength between pneumatic layer and the natural gas line outer wall can effectively be improved, further improved seal strength to effectively guarantee this warning effect from reminding the ring, effectively reduce the potential safety hazard.
(6) The shaping layer is made of a hard material, and the pneumatic layer is made of an elastic material, so that the shaping layer is convenient to deform correspondingly when natural gas leaks.
(7) From netting the pole include with pneumatic diaphragm fixed connection's outer extension rod, connect the hollow kickball of outer extension rod upper end, hollow kickball contacts with the limiting plate upper surface, a plurality of soft strips of absorption of hollow kickball lower tip fixedly connected with, when the natural gas takes place to leak, from netting the pole along with pneumatic diaphragm's outside deformation, follow limiting plate surperficial salient gradually, and during pneumatic diaphragm deformation, because the outward flange is fixed, therefore the central department takes place outside deformation at first, the pole rises from netting at the middle part promptly at first, the soft strip of absorption of its below can be close to rather than adjacent hollow kickball gradually, thereby can adsorb each other with hollow kickball, along with rising in proper order from netting the pole, a plurality of soft strips of absorption can be connected a plurality of hollow kickballs each other, form the wire side structure, further increase is from the phenomenon of reminding.
(8) The inside packing of hollow knob has a plurality of internal absorption balls, and internal absorption ball is magnetic material with adsorb gentle strip and make, is convenient for hollow knob and adjacent adsorb mutual absorption between the gentle strip, and outer extension rod and hollow knob are the stereoplasm structure for from tying the whole certain bearing capacity that has of net rod, thereby make pneumatic diaphragm when taking place deformation, its can be smooth pass the limiting plate and rise.
Drawings
FIG. 1 is a schematic perspective view of the present invention installed at a natural gas pipeline joint;
FIG. 2 is a schematic front view of the present invention installed at a natural gas pipeline joint;
FIG. 3 is a schematic structural diagram of the front side of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic structural view of a cross section of the gas seal ring of the present invention;
FIG. 6 is a schematic structural view of a self-knotting net rod of the present invention;
fig. 7 is a schematic structural view of the self-knotted net rod of the present invention automatically knotted into a net surface structure after air leakage.
The reference numbers in the figures illustrate:
the self-reminding type pneumatic ball injection device comprises a ring body 1, a fixing ring body 2, a self-reminding hole 3, a pneumatic diaphragm 4, a limiting plate 5, a pneumatic seal ring 6, a shaping layer 61, a pneumatic layer 62, a fixed marble 63, a permeable layer 7, a self-netting rod 8, an external extension rod 81, a hollow top ball 82, an adsorption flexible strip 83 and an adsorption ball in the adsorption zone 9.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection 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 those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, in the drawings, a represents a natural gas pipeline, and a leakage self-reminding ring at a natural gas pipeline joint comprises a ring body 1 connected at two natural gas pipeline joints, and a fixing ring 2 is fixedly connected to the inner wall of one opening of the ring body 1.
Referring to fig. 3-4, the inner wall of the fixing ring 2 is fixedly connected to the outer wall of one of the natural gas pipelines, the inner wall of the other opening of the ring body 1 is fixedly connected to the air sealing ring 6, the inner wall of the air sealing ring 6 is in pressing contact with the outer wall of the other natural gas pipeline, the outer end of the ring body 1 is provided with a plurality of uniformly distributed self-reminding holes 3, the inner wall of the self-reminding hole 3 is fixedly connected to the pneumatic diaphragm 4, the opening of the self-reminding hole 3 facing outward is fixedly connected to the limiting plate 5, the pneumatic diaphragm 4 is made of an elastic sealing material, when the natural gas leaks, the pneumatic diaphragm 4 can adapt to deformation under the action of the natural gas, so as to prompt the leakage of the natural gas of a user in time, the limiting plate 5 is of a porous net-shaped structure, when the pneumatic diaphragm 4 deforms outward, the self-netting rod 8 can move in the, effectively increase the probability of being discovered, thereby in time maintain, reduce the potential safety hazard, 4 upper ends fixity of pneumatic diaphragm are connected with a plurality of evenly distributed's from netting pole 8, from netting pole 8 activity runs through limiting plate 5, and from netting pole 8 upper end position in limiting plate 5 top and contact with limiting plate 5, be close to air seal ring 6 from reminding 3 inside gouges in hole and having the air duct, the air duct intercommunication is from reminding hole 3 and air seal ring 6, the inside packing of air duct has through layer 7, through layer 7 is many through holes material, through layer 7 gaps are less than the particle diameter of elastic particle, through layer 7 effectively protects the elastic particle, effectively avoid the elastic particle to take place to leak to the external world through the air duct.
Referring to fig. 5, the air seal ring 6 includes a shaping layer 61 fixedly connected to an inner wall of the ring body 1 and a pneumatic layer 62 fixedly connected to an end of the shaping layer 61, the pneumatic layer 62 and the shaping layer 61 are integrated, elastic particles are filled in the shaping layer 61, under normal conditions, the pneumatic layer 62 is in pressing contact with an outer surface of the ring body 1, so as to seal a gap between the ring body 1 and a natural gas pipeline, when natural gas leaks, part of gas enters the air seal ring 6 along a vent groove, so that the air seal ring 6 expands, so as to increase a contact area between the air seal ring 6 and the surface of the natural gas pipeline, so that a sealing effect is better, thereby effectively ensuring that a phenomenon occurring outside the ring body 1 is more obvious, so that a reminding effect and an effect for a user are better, the elastic particles include silica gel particles and a plurality of elastic fixing balls 63 fixedly connected to the inner wall of the pneumatic layer 62, after the, air seal ring 6 is inseparabler with the natural gas line outer joint, decides marble 63 this moment and can effectively improve the joint strength between pneumatic layer 62 and the natural gas line outer wall, further improves sealing strength to effectively guarantee this warning effect from reminding the ring, effectively reduce the potential safety hazard, the design layer 61 is made for hard material, pneumatic layer 62 is made for elastic material, is convenient for when the natural gas leaks, takes place corresponding deformation.
Referring to fig. 6, the self-netting rod 8 includes an outer extension rod 81 fixedly connected to the pneumatic diaphragm 4, and a hollow top ball 82 connected to an upper end portion of the outer extension rod 81, the hollow top ball 82 contacts with an upper surface of the position-limiting plate 5, and a plurality of flexible absorbing strips 83 are fixedly connected to a lower end portion of the hollow top ball 82, referring to fig. 7, when the natural gas leaks, the self-netting rod 8 gradually protrudes from the surface of the position-limiting plate 5 along with the outward deformation of the pneumatic diaphragm 4, and when the pneumatic diaphragm 4 deforms, because an outer edge is fixed, the central portion is firstly deformed outwards, that is, the self-netting rod 8 at the middle portion is firstly lifted, the flexible absorbing strips 83 at the lower portion are gradually close to the hollow top ball 82 adjacent thereto, so as to be capable of absorbing with the hollow top ball 82, and as the self-netting rod 8 is sequentially lifted, the plurality of flexible absorbing strips 83 connect the plurality of hollow top balls 82 to form a net surface structure, further increase is from the phenomenon of reminding, and hollow top ball 82 is inside to be filled has a plurality of internal absorption balls 9, and internal absorption ball 9 is magnetic material with adsorb gentle strip 83 and makes, and the mutual absorption between the gentle strip 83 of hollow top ball 82 and adjacent absorption of being convenient for, and outer extension pole 81 and hollow top ball 82 are the stereoplasm structure for join the whole certain bearing capacity that has of net pole 8 certainly, thereby make pneumatic diaphragm 4 when taking place deformation, its passing limiting plate 5 that can be smooth rises.
Through the setting of ring body 1, when the natural gas that takes place leaks, on the one hand, atmoseal ring 6 is in the inflation under the natural gas extrusion, increase atmoseal ring 6 and natural gas line surface area of contact, make sealed effect better, thereby effectively guarantee that the phenomenon that ring body 1 takes place outward more obvious, make the warning effect to the user better, on the other hand, pneumatic diaphragm 4 takes place outside deformation, thereby it is outstanding outward to limiting plate 5 from the middle part to the edge in proper order to drive from netting rod 8, a plurality of adjacent hollow knob 82 and absorption are connected each other softly, form the wire side structure, further increase is from the phenomenon of reminding, effectively increase the user in time discovers the probability that the natural gas leaked, be convenient for maintain, reduce the potential safety hazard.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a natural gas line kneck seepage is from reminding ring, includes ring body (1) of connecting at two natural gas line knecks, its characterized in that: an opening part inner wall of the ring body (1) is fixedly connected with a fixing ring (2), the inner wall of the fixing ring (2) is fixedly connected with one natural gas pipeline outer wall, the other opening part inner wall of the ring body (1) is fixedly connected with an air sealing ring (6), the inner wall of the air sealing ring (6) is in extrusion contact with the other natural gas pipeline outer wall, a plurality of uniformly distributed self-reminding holes (3) are cut at the outer end of the ring body (1), a pneumatic diaphragm (4) is fixedly connected with the inner wall of the self-reminding hole (3), a limiting plate (5) is fixedly connected with the opening part of the self-reminding hole (3) facing to the outer side, a plurality of uniformly distributed self-knotting rods (8) are fixedly connected with the upper end of the pneumatic diaphragm (4), the self-knotting rods (8) penetrate through the limiting plate (5) in a movable manner, and the upper end of the self-knotting rods (, be close to air seal ring (6) remind hole (3) inside to cut has the air channel from, the air channel intercommunication is from reminding hole (3) and air seal ring (6).
2. The leakage self-alert ring at a natural gas pipeline interface of claim 1, wherein: the pneumatic diaphragm (4) is made of elastic sealing materials, and the limiting plate (5) is of a porous net structure.
3. The leakage self-alert ring at a natural gas pipeline interface of claim 1, wherein: air seal ring (6) include with ring body (1) inner wall fixed connection's design layer (61) and fixed connection at the pneumatic layer (62) of design layer (61) tip, pneumatic layer (62) and design layer (61) structure as an organic whole, the inside packing of design layer (61) has elastic particle.
4. The leakage self-alert ring at a natural gas pipeline interface of claim 3, wherein: the ventilation groove is internally filled with a through layer (7), and the through layer (7) is made of a multi-pass through hole material.
5. The leakage self-alert ring at a natural gas pipeline interface of claim 3, wherein: the elastic particles comprise silica gel particles and a plurality of fixed marble balls (63) fixedly connected with the inner wall of the pneumatic layer (62).
6. The leakage self-alert ring at a natural gas pipeline interface of claim 5, wherein: the shaping layer (61) is made of a hard material, and the pneumatic layer (62) is made of an elastic material.
7. The leakage self-alert ring at a natural gas pipeline interface of claim 1, wherein: from knot net pole (8) include with pneumatic diaphragm (4) fixed connection's outer extension rod (81), connect hollow knob (82) of outer extension rod (81) upper end, hollow knob (82) contact with limiting plate (5) upper surface, a plurality of gentle strips (83) of absorption of tip fixedly connected with under hollow knob (82).
8. The leakage self-alert ring at a natural gas pipeline interface of claim 7, wherein: the hollow top ball (82) is filled with a plurality of inner adsorption balls (9), the inner adsorption balls (9) and the adsorption flexible strips (83) are made of magnetic materials, and the outer extension rod (81) and the hollow top ball (82) are of hard structures.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010846905.6A CN112066268A (en) | 2020-08-21 | 2020-08-21 | Leakage self-reminding ring at natural gas pipeline joint |
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| CN202010846905.6A CN112066268A (en) | 2020-08-21 | 2020-08-21 | Leakage self-reminding ring at natural gas pipeline joint |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113375064A (en) * | 2021-06-16 | 2021-09-10 | 王诚宣 | Gas and liquid leakage detection sensor and method |
| CN113529864A (en) * | 2021-06-09 | 2021-10-22 | 李星星 | Anti-freezing water pipe with self-reminding function |
| CN113566030A (en) * | 2021-09-24 | 2021-10-29 | 江苏诚扬新材料科技有限公司 | Water pipe joint with water seepage gradual change early warning function |
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| CN210344708U (en) * | 2019-07-19 | 2020-04-17 | 山东浩泰天然气股份有限公司 | Leakage-proof device for natural gas pipeline maintenance |
| CN210834025U (en) * | 2019-08-27 | 2020-06-23 | 海安迪斯凯瑞探测仪器有限公司 | Gas leakage detector for gas pipeline joint |
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Application publication date: 20201211 |