CN111734901B - Self-repairing flange gasket for pipeline connection - Google Patents
Self-repairing flange gasket for pipeline connection Download PDFInfo
- Publication number
- CN111734901B CN111734901B CN202010480135.8A CN202010480135A CN111734901B CN 111734901 B CN111734901 B CN 111734901B CN 202010480135 A CN202010480135 A CN 202010480135A CN 111734901 B CN111734901 B CN 111734901B
- Authority
- CN
- China
- Prior art keywords
- water
- repairing
- self
- retaining ring
- flange gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
-
- 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
Abstract
The invention discloses a self-repairing flange gasket for pipeline connection, which belongs to the technical field of sealing elements and can realize quick response and trigger self-repairing action when a gap appears at the initial stage of the failure of a flange gasket, utilize the characteristic of sensing moisture to quickly display phases and prompt technicians in time on the one hand, and utilize a preset repairing layer to actively expand and fill the gap based on the characteristic of gas expansion on the other hand, then utilize self-heating materials to melt and guide a hot-melting type adhesive and form a continuous adhesive ring to be matched with the repairing layer for repairing, and the self-repairing flange gasket has certain strength to resist the erosion of water so as to avoid the failure or the separation of an adhesive ring, effectively prevent seepage on the gap, reduce the large-scale leakage risk caused by the further failure of the flange gasket and win precious time for the technicians, thereby reducing the high loss caused by pipeline leakage.
Description
Technical Field
The invention relates to the technical field of sealing elements, in particular to a self-repairing flange gasket for pipeline connection.
Background
The flange gasket is used for the flange connection of pipelines, the type selection of the flange gasket is directly influenced by the sealing element, medium, pressure and temperature between two flanges, the flange connection is usually adopted in the pipeline connection, and the flange gasket has the advantages of convenience in installation, good sealing property and easiness in maintenance, but the phenomenon that the flange gasket fails can often occur under the long-time use
The failure of the flange gasket at the present stage is mainly caused by the following factors:
firstly, the uneven distribution of the compression force can cause the gap between the flange gaskets to cause the leakage of the pipeline medium;
stress relaxation and torque loss, which are also main causes of leakage;
and thirdly, the surface roughness of the sealing surface is consistent with the shape of the sealing surface, the sealing effect is influenced by higher surface roughness, and the degree of the surface defect of the flange needs to be controlled to avoid large scratches, grooves or scratches and other surface defects when the sealing is successfully performed. It is necessary to seal it with greater pressure;
fourthly, the temperature change and the temperature reduction also have great influence on the sealing effect.
The flange gasket failure is a gradual failure process under most conditions, but in the prior art, the failure initial stage is difficult to know in time, the failure initial stage can be detected only after a certain scale of medium leakage occurs, and a certain loss is caused later.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a self-repairing flange gasket for pipeline connection, which can realize that when a gap occurs at the initial stage of flange gasket failure, the self-repairing action is triggered and quickly responded, the characteristic of sensing moisture is utilized to quickly show the phase and prompt technicians in time on one hand, and a preset repairing layer is utilized to actively expand to fill the gap based on the characteristic of gas expansion on the other hand, then the self-heating material is used for melting and guiding the hot-melt adhesive, and a continuous adhesive ring matched with the repairing layer is formed for repairing, the flange gasket has certain strength to resist the erosion of water, avoids the failure or separation of the adhesive ring, effectively prevents seepage at the gap, reduces large-scale leakage risk caused by further failure of the flange gasket, gains precious time for the overhaul of technicians, and reduces high loss caused by pipeline leakage.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A self-repairing flange gasket for pipeline connection comprises a gasket body, wherein water-swelling rubber rings are embedded and connected on the left side wall and the right side wall of the gasket body, outer water retaining ring pieces and inner water retaining ring pieces are respectively embedded and connected on the outer edges of the upper end and the lower end of each water-swelling rubber ring, a plurality of water-guiding fiber bundles distributed in an annular array manner are also embedded and connected on each water-swelling rubber ring, a shaping air retaining ring positioned between a pair of water-swelling rubber rings is embedded and connected in the gasket body, the water-guiding fiber bundles penetrate through the water-swelling rubber rings and extend to the inner sides of the shaping air retaining rings, a plurality of moisture-absorbing touch microspheres are arranged on the left side and the right side of each shaping air retaining ring, a plurality of water-distributing fibers are connected on the partial surface of each water-guiding fiber bundle extending out of an internal dynamic repairing cylinder, and one ends, far away from the water-swelling rubber rings, of the outer water retaining ring pieces and the inner water retaining ring pieces are fixedly connected with the internal dynamic repairing cylinder, the inner moving repairing cylinder is internally and slidably connected with a sliding pressing block, the sliding pressing block is fixedly connected with an expansion air bag close to one end of the shaping air blocking ring, a plurality of auxiliary wires extending out of the inner moving repairing cylinder are fixedly connected onto the expansion air bag, the sliding pressing block is far away from one end of the shaping air blocking ring and is fixedly connected with a plurality of uniformly distributed elastic reinforcing wires, and an opening at one end, far away from the shaping air blocking ring, of the inner moving repairing cylinder is embedded and connected with a repairing raw material block.
Further, the moisture absorption touches the microballon and includes the moisture absorption layer and fills in a plurality of effervescent tablet granules in the moisture absorption in situ, moisture absorption layer internal surface fixedly connected with prolongs water cellosilk in many, utilize the moisture absorption layer initiative to absorb the moisture on the branch water cellosilk, then transmit to effervescent tablet granule by the water cellosilk of prolonging in, effervescent tablet granule can acutely release gas after absorbing moisture, impel the moisture absorption to touch the whole shake of microballon on the one hand, exert the effort to the briquetting of sliding through the mode to the squeezing action of gasket body or self direct contact, on the other hand utilizes the gas extrusion of releasing to meet water inflation rubber circle and expands to the outside, the cooperation meets water inflation rubber circle self and meets water inflation's characteristic and can seal up slit department very well, avoid the further leakage of water.
Furthermore, the moisture absorption layer is prepared by mixing the high-molecular water-absorbing resin and the water-absorbing fluff fibers in a mass ratio of 1:1, the high-molecular water-absorbing resin has extremely excellent water absorption and water retention and can absorb water which is thousands of times of the weight of the high-molecular water-absorbing resin, so that water which triggers a repair action is actively absorbed by the effervescent tablet particles, and the repair can be started at the early stage of the failure of the gasket body.
Furthermore, the opening of one end, far away from the repair raw material block, of the internal-motion repair cylinder is embedded and connected with a multi-hole power-assisted plate, the sliding pressing block is inserted into the multi-hole power-assisted plate, the multi-hole power-assisted plate plays a certain blocking role in the internal-motion repair cylinder, rapid gas leakage is reduced, and the internal-motion repair cylinder can be moved by being used as a propelling force when the expansion air bag releases gas.
Further, elasticity reinforcement silk is kept away from the briquetting one end fixed connection that slides and is had a bit magnetism particle that continues, the bit magnetism particle that continues is kept away from elasticity reinforcement silk one end and is inlayed and be connected with magnetism and inhale the granule, and bit magnetism particle that continues self adopts magnetic shielding material to make, adjacent elasticity reinforcement silk can rely on faint magnetism to connect after the bit magnetism particle extrusion expandes, helps connecting and becomes a continuous complete annular, makes things convenient for the formation of follow-up bonding ring, and the magnetic shielding effect of bit magnetism particle that continues can avoid attracting in advance between the elasticity reinforcement silk together, leads to subsequent extrusion expansion failure.
Furthermore, the repair raw material block is made by extruding a hot melt adhesive and is mixed with self-heating material powder, a vacuum environment is kept in the internal dynamic repair cylinder, the self-heating material powder can generate oxidation reaction with oxygen to release a large amount of heat, so that the oxygen is isolated during storage, and the hot melt adhesive can melt and flow in the heating environment so as to be guided to form an adhesive ring to be matched with the water-swelling rubber ring for seepage prevention.
Furthermore, the expansion air bag is filled with compressed air or compressed oxygen, when the sliding pressing block is punctured to form a tiny air release hole, the sliding pressing block can be constantly provided with a propelling force by the released air, and meanwhile, the self-heating material powder can react with the released air.
Further, both ends all are seted up a plurality ofly and are met the corresponding gas vent of walking of water inflation rubber circle about the gas ring is kept off in the setting, the setting keeps off the extension pipe of many evenly distributed of gas ring outer end fixedly connected with, and extension pipe one end with walk the gas vent intercommunication other end and extend to the gasket body outside, provide a passageway that holds gas, thereby avoid gaseous too much release to lead to warping excessively in inside and influence the leakproofness.
Further, the extension pipe is kept away from the setting and is kept off gas ring one end fixedly connected with colour development balloon, the moisture absorption touches and is mixed with the colour development powder on the microballon, and the colour development balloon adopts transparent material to make, utilizes the gas that leaks to smuggle the colour development powder secretly and enters into the colour development balloon, makes things convenient for the suggestion technical staff to in time notice, can also judge the gap position according to the colour development balloon.
Furthermore, the thickness of the outer water retaining ring piece is consistent with that of the inner water retaining ring piece, the distance between one end, far away from the setting air retaining ring, of the inner movable repairing cylinder and the outer edge of the outer water retaining ring piece and the outer edge of the inner water retaining ring piece is 0.5-1mm, the length of the elastic reinforcing wire and the thickness of the inner water retaining ring piece are 1.2-2:1, the inner movable repairing cylinder can be isolated and protected, and meanwhile, the elastic reinforcing wire can stretch out of the range of the outer water retaining ring piece and the range of the inner water retaining ring piece after being deformed, so that hot-melt adhesives can be fully filled between the outer water retaining ring piece and the flange plate, the adhesion effect is improved, and meanwhile, the outer water retaining ring piece and the water-swelling rubber ring are easily matched to greatly improve the waterproof effect.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, when a gap appears at the initial failure stage of the flange gasket, the quick response and the self-repairing action are triggered, the technical personnel are prompted by quickly showing the phase on one hand by utilizing the characteristics of sensing moisture, on the other hand, a preset repairing layer is utilized, the gap is filled by actively expanding the gap based on the characteristics of gas expansion, then, the hot-melt adhesive is melted and guided by utilizing the self-heating material, a continuous adhesive ring matched repairing layer is formed for repairing, the corrosion of water is resisted by having certain strength, the failure or the separation of the adhesive ring is avoided, the effective seepage prevention is carried out on the gap, the large-scale leakage risk caused by the further failure of the flange gasket is reduced, the precious time is saved for the maintenance of the technical personnel, and the high loss caused by the leakage of a pipeline is reduced.
(2) Moisture absorption touches the microballon and includes the moisture absorption layer and fills in a plurality of effervescent tablet granules in the moisture absorption in situ, moisture absorption layer internal surface fixedly connected with many internal extension water guide cellosilk, utilize the moisture absorption layer initiative to absorb the moisture on the branch water guide cellosilk, then transmit to the effervescent tablet granule by internal extension water guide cellosilk, the effervescent tablet granule can acutely release gas after absorbing moisture, impel the moisture absorption to touch the whole shake of microballon on the one hand, exert the effort to the briquetting that slides through the extrusion to the gasket body or the mode of self direct contact, on the other hand utilizes the gas extrusion of releasing to meet water inflation rubber circle and expands to the outside, the cooperation meets water inflation rubber circle self and meets water inflation's characteristic and can seal the filling to crack department very well, avoid the further leakage of water.
(3) The moisture absorption layer is prepared by mixing high molecular water-absorbing resin and water-absorbing fluff fibers in a mass ratio of 1:1, the high molecular water-absorbing resin has extremely excellent water absorption and water retention and can absorb water which is thousands of times of the weight of the high molecular water-absorbing resin, so that water which triggers a repair action is actively absorbed by the effervescent tablet particles, and the repair can be started in the early stage of the failure of the gasket body.
(4) The internal-acting repairing cylinder is far away from one end opening of the repairing raw material block, a multi-hole boosting plate is connected in an embedded mode, the sliding pressing block is inserted into the multi-hole boosting plate, the multi-hole boosting plate plays a role in plugging the internal-acting repairing cylinder to a certain degree, the rapid leakage of gas is reduced, and the internal-acting repairing cylinder can be used as propulsive force to move when the expanding air bag releases the gas.
(5) Elasticity reinforcement silk is kept away from the briquetting one end fixed connection that slides and is had a bit magnetism particle that continues, the particle that the point magnetism is continued and is kept away from elasticity reinforcement silk one end and inlay and be connected with magnetism and inhale the granule, and the point magnetism particle that continues self adopts magnetism shielding material to make, adjacent elasticity reinforcement silk can rely on faint magnetism to connect after the particle extrusion that connects at the point magnetism expandes, help connecting to become a continuous complete annular, make things convenient for the formation of follow-up bonding ring, the magnetism shielding effect of the particle that the point magnetism is continued can avoid attracting in advance between the elasticity reinforcement silk together, lead to subsequent extrusion expansion failure.
(6) The repair raw material block is made by extruding a hot-melt adhesive and is mixed with self-heating material powder, a vacuum environment is kept in the internal dynamic repair cylinder, the self-heating material powder can generate oxidation reaction with oxygen to release a large amount of heat, so that the oxygen is isolated when the repair raw material block is stored, the hot-melt adhesive can be melted and flowed in the heating environment, and the repair raw material block is guided to form an adhesive ring to be matched with the water-swelling rubber ring for seepage prevention.
(7) The expansion air bag is filled with compressed air or compressed oxygen, when the sliding pressing block is punctured to form a tiny air release hole, the air can be continuously released to provide a propelling force for the sliding pressing block all the time, and meanwhile, the air can react with the self-heating material powder.
(8) Both ends all are seted up a plurality ofly about the gas ring is kept off to the setting and are walked the gas hole with water inflation rubber circle is corresponding, and the setting keeps off the extension pipe of many evenly distributed of gas ring outer end fixedly connected with, and extension pipe one end with walk the gas hole intercommunication other end and extend to the gasket body outside, provide a passageway that holds gas, thereby avoid gaseous too much release to lead to warping excessively in inside and influence the leakproofness.
(9) The extension pipe is kept away from the setting and is kept off gas ring one end fixedly connected with colour development balloon, and the moisture absorption touches and mixes on the microballon has the colour development powder, and the colour development balloon adopts transparent material to make, utilizes the gas that leaks to smuggle the colour development powder secretly and enters into the colour development balloon, makes things convenient for the suggestion technical staff to in time notice, can also judge the gap position according to the colour development balloon.
(10) The thickness of the outer water retaining ring piece is consistent with that of the inner water retaining ring piece, one end, away from the setting air retaining ring, of the inner movable repairing cylinder is 0.5-1mm away from the outer edges of the outer water retaining ring piece and the inner water retaining ring piece, the thickness ratio of the length of the elastic reinforcing wire to the thickness of the inner water retaining ring piece is 1.2-2:1, the inner movable repairing cylinder can be isolated and protected, and meanwhile, the elastic reinforcing wire can stretch out of the range of the outer water retaining ring piece and the range of the inner water retaining ring piece after being deformed, so that hot melt type adhesives can be fully filled between the outer water retaining ring piece and the inner water retaining ring piece and between the flange plates, the adhesion effect is improved, and meanwhile, the outer water retaining ring piece and the water swelling rubber ring are easily matched to greatly improve the waterproof effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a cross-sectional portion of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of the structure of the moisture-absorbing touch microsphere of the present invention;
FIG. 5 is a schematic structural view of a portion of the internal dynamic prosthetic device of the present invention in a normal state;
FIG. 6 is a schematic structural view of the internal dynamic prosthetic cylinder of the present invention in a partially prosthetic state;
fig. 7 is a schematic view of the structure of the adhesive ring portion of the present invention.
The reference numbers in the figures illustrate:
1 gasket body, 2 outer water retaining ring pieces, 3 inner water retaining ring pieces, 4 water-swelling rubber rings, 5 leading water fiber bundles, 6 inner moving repairing cylinders, 7 dividing water guiding fiber yarns, 8 moisture absorbing touch microspheres, 81 moisture absorbing layers, 82 inner extending water guiding fiber yarns, 83 effervescent tablet particles, 9 auxiliary yarns, 10 expanding air bags, 11 sliding pressing blocks, 12 elastic reinforcing yarns, 13-point magnetic connection particles, 14 shaping air retaining rings, 15 extending pipes, 16 color developing balloons, 17 porous assisting plates and 18 repairing raw material blocks.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
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:
please refer to fig. 1, a pipe connection is with flange gasket of self-repairing type, including gasket body 1, all inlay on gasket body 1 left and right sides wall and be connected with water-swelling rubber circle 4, it has the effect of meeting water inflation, thereby realize preliminary prevention of seepage, it is connected with outer manger plate ring piece 2 and interior manger plate ring piece 3 to inlay respectively to meet the outer edge in both ends about water-swelling rubber circle 4, still inlay the leading water fiber bundle 5 that is connected with many ring array distributions on meeting water-swelling rubber circle 4, play to the effect of leading water in water-swelling rubber circle 4, can touch 8 contacts with the microballon that absorbs moisture on the one hand and trigger the restoration action, on the other hand can make and meet water-swelling rubber circle 4 inflation more even compact.
Referring to fig. 2-3, a shaping air-blocking ring 14 located between a pair of water-swellable rubber rings 4 is embedded and connected in a gasket body 1, a main water-guiding fiber bundle 5 penetrates through the water-swellable rubber rings 4 and extends to the inner side of the shaping air-blocking ring 14, the shaping air-blocking ring 14 plays a role in shaping the gasket body 1 to avoid excessive compression deformation, a blocking surface is formed to facilitate utilization of gas as a propelling force, a plurality of moisture-absorbing touch microspheres 8 are arranged on the left side and the right side of the shaping air-blocking ring 14, a part of the surface of the main water-guiding fiber bundle 5 extending out of an internal-acting repairing cylinder 6 is connected with a plurality of water-guiding fiber filaments 7, and one ends of the outer water-blocking ring sheet 2 and the inner water-blocking ring sheet 3, which are far away from the water-swellable rubber rings 4, are fixedly connected with the internal-acting repairing cylinder 6.
Both ends all are seted up a plurality ofly about setting fender gas ring 14 and are met the corresponding gas pocket of walking of water inflation rubber circle 4, setting fender gas ring 14 outer end fixedly connected with's extension tube 15, and extension tube 15 one end with walk the gas pocket intercommunication other end and extend to the gasket body 1 outside, provide a passageway that holds gas, thereby avoid gaseous too much release to lead to excessively deforming in inside and influence the leakproofness, extension tube 15 keeps away from setting fender gas ring 14 one end fixedly connected with colour development balloon 16, the moisture absorption touches and has mixed the colour development powder on the microballon 8, and colour development balloon 16 adopts transparent material to make, utilize the gas of leaking to smuggle the colour development powder secretly and enter into colour development balloon 16, make things convenient for the suggestion technical staff can in time notice, can also judge the gap position according to colour development balloon 16.
Referring to fig. 5-6, a sliding block 11 is slidably connected in the internal-acting repairing cylinder 6, an expanding airbag 10 is fixedly connected to one end of the sliding block 11 close to the shaping air-blocking ring 14, the expanding airbag 10 is filled with compressed air or compressed oxygen, when the sliding block 11 is punctured to form a tiny air-releasing hole, the air can be continuously released to provide a propelling force to the sliding block 11 all the time, and can react with the self-heating material powder, a plurality of auxiliary wires 9 extending out of the internal-acting repairing cylinder 6 are fixedly connected to the expanding airbag 10, a plurality of uniformly distributed elastic reinforcing wires 12 are fixedly connected to one end of the sliding block 11 far from the shaping air-blocking ring 14, the sliding block is made of an elastic material, a repairing raw material block 18 is embedded and connected to an opening of one end of the internal-acting repairing cylinder 6 far from the shaping air-blocking ring 14, the repairing raw material block 18 is made of a hot melt type adhesive by extrusion and is mixed with the self-heating material powder, the vacuum environment is kept in the internal dynamic repairing cylinder 6, self-heating material powder can generate oxidation reaction with oxygen to release a large amount of heat, therefore, when the internal dynamic repairing cylinder is stored, the oxygen is isolated, the hot melt type adhesive can melt and flow under the heating environment, so that the adhesive ring is guided to form to be matched with the water-swelling rubber ring 4 for seepage prevention, the opening of one end, far away from the repairing raw material block 18, of the internal dynamic repairing cylinder 6 is embedded and connected with the porous boosting plate 17, the sliding pressing block 11 is inserted into the porous boosting plate 17, the porous boosting plate 17 is made of porous materials, such as sponge and the like, the internal dynamic repairing cylinder 6 is blocked to a certain degree, the rapid leakage of gas is reduced, and when the gas is released by the expanding air bag 10, the self-heating material powder can be used as a propelling force to move.
The thickness of the outer water retaining ring piece 2 is consistent with that of the inner water retaining ring piece 3, the distance between one end, far away from the setting air retaining ring 14, of the inner movable repairing cylinder 6 and the outer edges of the outer water retaining ring piece 2 and the inner water retaining ring piece 3 is 0.5-1mm, the ratio of the length of the elastic reinforcing wire 12 to the thickness of the inner water retaining ring piece 3 is 1.2-2:1, the inner movable repairing cylinder 6 can be isolated and protected, and meanwhile, the elastic reinforcing wire 12 can extend out of the range of the outer water retaining ring piece 2 and the range of the inner water retaining ring piece 3 after being deformed, so that hot melt type adhesives can be fully filled between the outer water retaining ring piece 2 and the inner water retaining ring piece 3 and a flange plate, the adhesion effect is improved, and meanwhile, the outer water retaining ring piece 2 can be easily matched with the water swelling rubber ring 4 to greatly improve the waterproof effect.
Referring to fig. 4, the moisture absorption touch microsphere 8 includes a moisture absorption layer 81 and a plurality of effervescent tablet particles 83 filled in the moisture absorption layer 81, the inner surface of the moisture absorption layer 81 is fixedly connected with a plurality of inwardly extending water guide fiber filaments 82, the moisture absorption layer 81 actively absorbs moisture on the water guide fiber filaments 7, then the inwardly extending water guide fiber filaments 82 transmit the moisture to the effervescent tablet particles 83, the effervescent tablet particles 83 can violently release gas after absorbing the moisture, on one hand, the moisture absorption touch microsphere 8 is made to shake integrally, acting force is applied to the sliding press block 11 through the extrusion effect on the gasket body 1 or the self direct contact manner, on the other hand, the released gas extrudes the water swelling rubber ring 4 to expand outwards, and the gap can be well sealed and filled by matching the water swelling characteristic of the water swelling rubber ring 4, further leakage of water is avoided, the moisture absorption layer 81 is made by mixing the high molecular water absorbent resin and the water absorption fluff fibers in the mass ratio of 1:1, the high-molecular water-absorbing resin has extremely excellent water absorption and water retention, and can absorb water which is thousands of times of the weight of the high-molecular water-absorbing resin, so that the water which triggers the repairing action is actively absorbed by the effervescent tablet particles 83, and the high-molecular water-absorbing resin can be repaired in the early stage of the failure of the gasket body 1.
When the gasket is used, once a gap is formed between the gasket body 1 and a flange plate, and water moves to the water-swelling rubber ring 4, the water-swelling rubber ring 4 is initially blocked by the water-swelling characteristic of the water-swelling rubber ring 4, then the water is transferred to the inner side by the main water guide fiber bundle 5 and is dispersed to the moisture-absorbing touch microspheres 8 by the water guide fiber yarns 7, the gasket body 1 is caused to deform or directly contact with the effervescent tablet particles 83 to force the sliding pressing block 11 to puncture the swelling air bag 10, the gas of the swelling air bag 10 starts to be released to the outside, the sliding pressing block 11 is driven by the propelling force to move to the repairing raw material block 18 in the internal dynamic repairing cylinder 6, and simultaneously the released gas reacts with the self-heating material powder on the repairing raw material block 18 to release a large amount of heat to directly heat the repairing raw material block 18 to cause the repairing raw material block 18 to melt and flow, and flows out of the inner movable repairing cylinder 6 under the continuous extrusion action of the sliding pressing block 11, in addition, under the action of moisture absorption touch microspheres 8 and gas release of the expansion air bag 10, the water-swellable rubber ring 4, the outer water retaining ring 2 and the inner water retaining ring 3 all move outwards under the action of the propelling force of the gas, namely, the water-swellable rubber ring is close to the flange to further reduce gaps, finally, after the repairing raw material blocks 18 are completely melted, the sliding pressing block 11 is close to the flange and extrudes the elastic reinforcing wires 12, the elastic reinforcing wires 12 are bent and unfolded after being pressed, point magnetic connection particles 13 on the adjacent elastic reinforcing wires 12 are actively close to and connected to form a ring under the action of magnetic attraction, the melted repairing raw material blocks 18 are dynamically distributed around the ring to form an adhesive ring on upper and lower plugs in cooperation with the water-swellable rubber ring 4, meanwhile, the strength is improved by the elastic reinforcing wires 12, and the defect of the waterproof effect of the hot-melt adhesive is overcome, referring to fig. 7, the formed adhesive ring has a certain adhesive strength and a certain separation resistance, so that a technician can gain precious time for maintenance, and redundant gas in the gasket body 1 can enter the color developing balloon 16 through the shaping gas blocking ring 14 and the extension pipe 15 and can be timely reminded to the technician through the color developing powder.
The invention can realize quick response and trigger self-repairing action when a gap appears at the initial stage of failure of the flange gasket, on one hand, the characteristic of sensing moisture is utilized to quickly display phases and prompt technical personnel in time, on the other hand, the preset repairing layer is utilized to actively expand and fill the gap based on the characteristic of gas expansion, then, the self-heating material is utilized to melt and guide the hot-melt adhesive, a continuous adhesive ring is formed to be matched with the repairing layer for repairing, and the continuous adhesive ring has certain strength to resist the corrosion of water, thereby avoiding the failure or separation of the adhesive ring, effectively preventing seepage aiming at the gap, reducing the large-scale leakage risk caused by further failure of the flange gasket, and reducing the precious time for the maintenance of the technical personnel, thereby reducing the high loss caused by pipeline leakage.
The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a pipe connection is with self-repairing formula flange gasket, includes gasket body (1), its characterized in that: the gasket is characterized in that water-swelling rubber rings (4) are embedded and connected on the left side wall and the right side wall of the gasket body (1), outer edges of the upper end and the lower end of each water-swelling rubber ring (4) are respectively embedded and connected with an outer water retaining ring sheet (2) and an inner water retaining ring sheet (3), a plurality of main water fiber bundles (5) distributed in an annular array are further embedded and connected on each water-swelling rubber ring (4), a setting air retaining ring (14) positioned between a pair of water-swelling rubber rings (4) is embedded and connected in each gasket body (1), the main water fiber bundles (5) penetrate through the water-swelling rubber rings (4) and extend to the inner side of the setting air retaining ring (14), a plurality of moisture absorption touch microspheres (8) are arranged on the left side and the right side of the setting air retaining ring (14), and a plurality of branch water guide fiber yarns (7) are connected on the partial surface of each main water guide fiber bundle (5) extending out of the internal movement repairing cylinder (6), outer manger plate ring piece (2) and interior manger plate ring piece (3) keep away from in the equal fixedly connected with of one end of water-swelling rubber circle (4) and move a restoration section of thick bamboo (6), interior moving restoration section of thick bamboo (6) sliding connection has a briquetting (11) that slides, briquetting (11) that slides are close to setting fender gas ring (14) one end fixedly connected with inflation gasbag (10), many helping silk (9) that extend internal movement restoration section of thick bamboo (6) of fixedly connected with are gone up in inflation gasbag (10), briquetting (11) that slides are kept away from setting fender gas ring (14) one end fixedly connected with many evenly distributed's elasticity reinforcement silk (12), setting fender gas ring (14) one end opening part is kept away from in internal movement restoration section of thick bamboo (6) and is inlayed and is connected with restoration raw material piece (18).
2. A self-repairing flange gasket for pipe connections according to claim 1, wherein: the moisture absorption touch microsphere (8) comprises a moisture absorption layer (81) and a plurality of effervescent tablet particles (83) filled in the moisture absorption layer (81), and a plurality of inner extending water guide fiber filaments (82) are fixedly connected to the inner surface of the moisture absorption layer (81).
3. A self-repairing flange gasket for pipe connections according to claim 2, wherein: the moisture absorption layer (81) is prepared by mixing high-molecular water-absorbing resin and water-absorbing fluff fibers in a mass ratio of 1: 1.
4. A self-repairing flange gasket for pipe connections according to claim 1, wherein: an opening of one end, far away from the raw material block (18), of the internal-acting repairing cylinder (6) is connected with a multi-hole boosting plate (17) in an embedded mode, and the sliding pressing block (11) is inserted into the multi-hole boosting plate (17).
5. A self-repairing flange gasket for pipe connections according to claim 1, wherein: one end, far away from the sliding pressing block (11), of the elastic reinforcing wire (12) is fixedly connected with point magnetic connection particles (13), one end, far away from the elastic reinforcing wire (12), of the point magnetic connection particles (13) is connected with magnetic suction particles in an embedded mode, and the point magnetic connection particles (13) are made of magnetic shielding materials.
6. A self-repairing flange gasket for pipe connections according to claim 1, wherein: the repairing raw material block (18) is made by adopting hot melt type adhesive extrusion and is mixed with self-heating material powder, and the vacuum environment is kept in the internal moving repairing cylinder (6).
7. A self-repairing flange gasket for pipe connections according to claim 1, wherein: the expansion air bag (10) is filled with compressed pure oxygen.
8. A self-repairing flange gasket for pipe connections according to claim 1, wherein: both ends all seted up a plurality ofly about setting fender gas ring (14) and met water inflation rubber circle (4) corresponding gas pocket of walking, setting fender gas ring (14) outer end fixedly connected with many evenly distributed's extension pipe (15), and extension pipe (15) one end with walk the gas pocket intercommunication other end and extend to gasket body (1) outside.
9. The self-repairing flange gasket for pipe connection according to claim 8, wherein: one end of the extension tube (15), which is far away from the shaping gas-blocking ring (14), is fixedly connected with a color developing balloon (16), color developing powder is mixed on the moisture absorption touch microsphere (8), and the color developing balloon (16) is made of transparent materials.
10. A self-repairing flange gasket for pipe connections according to claim 1, wherein: the thickness of the outer water retaining ring piece (2) is consistent with that of the inner water retaining ring piece (3), one end, far away from the shaping air retaining ring (14), of the inner moving repairing cylinder (6) is 0.5-1mm away from the outer edges of the outer water retaining ring piece (2) and the inner water retaining ring piece (3), and the ratio of the length of the elastic reinforcing wire (12) to the thickness of the inner water retaining ring piece (3) is 1.2-2: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480135.8A CN111734901B (en) | 2020-05-30 | 2020-05-30 | Self-repairing flange gasket for pipeline connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480135.8A CN111734901B (en) | 2020-05-30 | 2020-05-30 | Self-repairing flange gasket for pipeline connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111734901A CN111734901A (en) | 2020-10-02 |
| CN111734901B true CN111734901B (en) | 2021-12-31 |
Family
ID=72648061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010480135.8A Active CN111734901B (en) | 2020-05-30 | 2020-05-30 | Self-repairing flange gasket for pipeline connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111734901B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252628A (en) * | 2020-10-16 | 2021-01-22 | 江苏海美新材料有限公司 | Sticking process of anti-warping PVC architectural decoration film |
| CN113073679A (en) * | 2021-01-07 | 2021-07-06 | 肖臣 | Gravity type retaining wall sectional type construction method |
| CN113125504B (en) * | 2021-04-19 | 2023-01-10 | 广西天正钢结构有限公司 | Steel structure weld joint detection process |
| CN113334021B (en) * | 2021-04-21 | 2022-12-06 | 苏州华超金属材料有限公司 | Steel plate surface self-joint-repairing anti-corrosion treatment process |
| CN113208210B (en) * | 2021-04-25 | 2022-11-04 | 扶沟县申祥服饰有限公司 | Self-breathing type dehumidifying protective clothing |
| CN113404795A (en) * | 2021-05-24 | 2021-09-17 | 连云港师范高等专科学校 | Magnetorheological fluid retarder with self-expanding sealing structure |
| CN113775837A (en) * | 2021-07-23 | 2021-12-10 | 田睿 | Dedicated scattered powder formula water pipe connector that supplies water of secondary |
| CN113427387A (en) * | 2021-08-25 | 2021-09-24 | 南通江淤新材料有限公司 | Spherical metal scale formula polishing equipment |
| CN113566030B (en) * | 2021-09-24 | 2021-11-30 | 江苏诚扬新材料科技有限公司 | Water pipe joint with water seepage gradual change early warning function |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6527849B2 (en) * | 1990-06-19 | 2003-03-04 | Carolyn M. Dry | Self-repairing, reinforced matrix materials |
| JP3495843B2 (en) * | 1996-03-29 | 2004-02-09 | ニチアス株式会社 | Gas leakage prevention structure at piping flange |
| CN101967240B (en) * | 2010-09-21 | 2012-10-03 | 重庆市万通工业有限公司 | Water swelling rubber, metallic composite sealing material and preparation methods thereof |
| CN103467791B (en) * | 2013-09-26 | 2015-08-19 | 沈阳化工大学 | Double-wall sandwich structural microcapsule selfreparing rubber and preparation method thereof |
| CN204042244U (en) * | 2014-07-16 | 2014-12-24 | 上海三盛金属制品有限公司 | Leak self repair pipeline adaptor |
| US10335758B2 (en) * | 2016-07-11 | 2019-07-02 | Microtek Laboratories, Inc. | Microcapsules having dual reagents for forming a self-healing material separated by the capsule wall and methods for making same |
| CN207701761U (en) * | 2017-12-14 | 2018-08-07 | 广州特拓新材料科技有限公司 | Facilitate installation and efficient sealed liner |
-
2020
- 2020-05-30 CN CN202010480135.8A patent/CN111734901B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111734901A (en) | 2020-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111734901B (en) | Self-repairing flange gasket for pipeline connection | |
| ES2636739T3 (en) | High pressure compact rubber hose | |
| CN112064810B (en) | Self-joint-repairing water-removing type anti-seepage building outer wall | |
| JP2013504385A5 (en) | ||
| JP2000220752A (en) | Water-cut-off method using waterproof seal member | |
| CN111895187B (en) | Self-repairing corrugated pipe | |
| CN113566030B (en) | Water pipe joint with water seepage gradual change early warning function | |
| CN208951469U (en) | A kind of hydraulic engineering assembling pipe joint | |
| CN113483960A (en) | Gas pipeline leakage detection device | |
| CN211716033U (en) | Pipeline plugging device | |
| CN205606012U (en) | High compression swelling ware assembly | |
| CN207097522U (en) | The anti-aging cable of sealing | |
| CN113417827A (en) | Vacuum pump with self-adhesive air leakage prevention interface | |
| CN209166728U (en) | A kind of pipe insulation connector air-tight test portable inflatable device | |
| CN113685716B (en) | Air leakage self-display type pressure container | |
| CN210566787U (en) | Annular pressure bonding type pipeline connecting structure | |
| CN110346094B (en) | Three-way valve that gas tightness detected | |
| CN113266685A (en) | Upper hard seal expanding ball valve | |
| CN219102283U (en) | Copper joint with good sealing performance | |
| CN113418069A (en) | Gas transmission hose locking device | |
| CN216545150U (en) | High-strength EVA composite waterproof board | |
| CN109868846A (en) | Rotproofness HDPE geomembrane and preparation method thereof | |
| CN214467013U (en) | Strong sealing rubber waterstop | |
| CN214999548U (en) | Upper hard seal expanding ball valve | |
| CN215111197U (en) | Joint with elastic sealing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211214 Address after: 214400 Zhou Zhuang Zhen Dong Lin Cun Zong Yan Lu, Jiangyin City, Wuxi City, Jiangsu Province Applicant after: Jiangyin Guoxiang Forging Co.,Ltd. Address before: 563400 group 5, Jianfeng village, Ruixi Town, Zheng'an County, Zunyi City, Guizhou Province Applicant before: Wu Yueyan |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |