CN108612939B

CN108612939B - High-elastic flange gasket for high-temperature fluid pipeline

Info

Publication number: CN108612939B
Application number: CN201810718145.3A
Authority: CN
Inventors: 周如伟
Original assignee: Huzhou Beide Fluid Equipment Co ltd
Current assignee: Huzhou Beide Fluid Equipment Co ltd
Priority date: 2018-07-03
Filing date: 2018-07-03
Publication date: 2020-12-08
Anticipated expiration: 2038-07-03
Also published as: CN108612939A

Abstract

The invention discloses a high-elasticity flange gasket for a high-temperature fluid pipeline, which relates to the technical field of high-temperature fluid pipelines and comprises an upper rubber layer and a lower rubber layer, wherein both sides of the inner parts of the upper rubber layer and the lower rubber layer are fixedly provided with vesicles which are arranged at equal intervals, the top of the upper rubber layer and the bottom of the lower rubber layer are both provided with a concave groove, the side wall opening of the concave groove is fixedly connected with a baffle ring, and one side of the baffle ring and one end of the bottom wall of the concave groove are both fixedly connected with a positioning sleeve. This a high-elastic flange pad for high temperature fluid pipeline makes things convenient for the staff to remove the flange pad, and then can make the flange pad better to the inner ring of last flange, can break at the vesicle under the condition of high temperature, reaches fire-retardant purpose, has strengthened the high-elastic performance of flange pad, has improved the stability that the flange pad used, has improved life, has realized that the flange pad has the effect of transversely gathering together, has increased the flange pad along pipeline axial elasticity.

Description

High-elastic flange gasket for high-temperature fluid pipeline

Technical Field

The invention relates to the technical field of high-temperature fluid pipelines, in particular to a high-elasticity flange gasket for a high-temperature fluid pipeline.

Background

The flange pad is divided into asbestos pad, rubber pad, graphite pad and metal winding pad, and is made up by using standard high-quality SS304 and SS316 metal bands and other alloy materials and flexible materials of graphite, asbestos, teflon and non-asbestos, etc. and making them mutually overlap and spirally wind, and fixing the metal bands at the beginning and end by means of spot welding, the rubber flange gasket is arranged between two flanges to play a role of sealing, the elasticity of the flange gasket along the axial direction of the pipeline is limited when the rubber flange gasket is used on a high-temperature pipeline, the sealing effect is poor, the flange gasket is easy to be heated, aged and deformed, the service life is short, in the prior art, when the flange gasket is placed, the inner ring of the flange gasket and the corresponding inner ring of the flange need to be aligned, because the clearance between two flanges is less can only pass through the flange gasket, lead to the staff to be difficult to with the better inner ring to the flange of flange gasket when placing the flange gasket.

At present, the existing high-elastic flange gasket for the high-temperature fluid pipeline is inconvenient to use and is not beneficial to popularization and use.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a high-elasticity flange gasket for a high-temperature fluid pipeline, which solves the problems that the existing high-elasticity flange gasket for the high-temperature fluid pipeline has limited elasticity, poor sealing effect, easy thermal aging deformation, short service life and difficult flange gasket application to an inner ring of an upper flange.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a high-elastic flange gasket for a high-temperature fluid pipeline comprises an upper rubber layer and a lower rubber layer, wherein vesicles which are equidistantly arranged are fixedly arranged inside the upper rubber layer and the lower rubber layer close to the outer side, the top of the upper rubber layer and the bottom of the lower rubber layer are both provided with a concave groove, the side wall openings of the two concave grooves are both fixedly connected with a baffle ring, one side of the baffle ring and one side of the concave groove opposite to the baffle ring are fixedly connected with positioning sleeves, the positioning sleeve is internally inserted with a high-strength spring, the soft magnetic sheets are respectively arranged inside the two concave grooves, the sides of the two soft magnetic sheets far away from each other are respectively and fixedly connected with an outer annular sheet, the insides of the two outer annular sheets are respectively and fixedly provided with a metal sheet net, the middle part of each outer annular sheet is inserted with an aerogel felt heat-insulating ring, the opposite sides of the two outer circular ring pieces are fixedly connected with high-elastic rubber rings at the outer sides of the metal sheet nets;

elastic pieces which are symmetrically arranged are fixedly connected inside the metal sheet net, taper sleeves are inserted into the elastic pieces, fixed blocks are fixedly connected to the bottom ends of the taper sleeves, penetrating rods which are symmetrically arranged are fixedly installed at the bottom ends of the fixed blocks, and the penetrating rods are partially positioned inside the soft magnetic sheet;

the thickness value of the high-elasticity rubber ring is smaller than that of the upper rubber layer;

the inside of the vesicle is filled with a flame retardant, and the bottom end of the upper rubber layer close to the outer side and the top end of the lower rubber layer close to the outer side are both fixedly provided with uniformly arranged spray columns.

Preferably, the bottom of the upper rubber layer is fixedly connected with the top of the lower rubber layer, a connecting block is fixedly mounted on the outer side of the upper rubber layer, and a pull ring is fixedly mounted on one side of the connecting block.

Preferably, the outer side of the soft magnetic sheet is fixedly connected with a magnetic convex sheet ring, positioning columns are fixedly mounted on the upper side and the lower side of the magnetic convex sheet ring, and the outer surfaces of the positioning columns are inserted into the high-strength spring.

Preferably, a sealing ring sleeve is fixedly connected between the outer side of the aerogel felt heat insulation ring and the inner side of the outer circular ring piece, and the cross section of the aerogel felt heat insulation ring is rectangular.

Preferably, the dop is fixedly installed at the upper end and the lower end of the outer side of the aerogel felt heat insulation ring, and the mortise is formed at the upper end and the lower end of the inner side of the outer ring piece.

Preferably, the mortise opening is matched with the clamping head, the cross section of the clamping head is rectangular, and the cross section of the mortise opening is rectangular.

(III) advantageous effects

The invention provides a high-elastic flange gasket for a high-temperature fluid pipeline, which has the following beneficial effects:

(1) this a high-elastic flange pad for high temperature fluid pipeline, on the one hand through setting up connecting block and pull ring, make things convenient for the staff to remove the flange pad, and then can make the flange pad better to the inner ring of last flange, easy operation is swift, on the other hand is through setting up the vesicle and spouting the post, can the vesicle fracture under the condition of high temperature, make fire-retardant powder from spouting the post blowout, reach fire-retardant purpose, flame retardant efficiency is good, the potential safety hazard has been avoided, secondly through setting up high-strength spring and magnetic lug ring, the high-elastic performance of flange pad has been strengthened, the stability that the flange pad used has been improved, service life is prolonged, in addition, through setting up the sheetmetal net, it has the effect of transversely gathering together to have realized the flange pad, flange pad has been increased along pipeline axial elasticity.

(2) The high-elastic flange gasket for the high-temperature fluid pipeline has the advantages that on one hand, the taper sleeve and the penetrating rod are arranged, connection tightness and firmness are guaranteed, longitudinal ductility of the flange gasket is enhanced, on the other hand, the high-elastic flange gasket has an extremely low heat conductivity coefficient by arranging the aerogel felt heat insulation ring, a good heat insulation effect is achieved on high-temperature fluid in the high-temperature pipeline, meanwhile, the contact area between the rubber layer and the high-temperature fluid can be greatly reduced, aging speed of rubber is delayed, the service life of the flange gasket is prolonged, the sealing performance of the flange gasket is enhanced by arranging the sealing ring sleeve and the high-elastic rubber ring, the sealing effect is good, in addition, the sealing performance of the connection between the aerogel felt heat insulation ring and the outer circular ring piece is enhanced by arranging the clamping head and the mortise, the matching is compact, and the inventiveness is strong.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is an external view of the structure of the present invention;

FIG. 3 is a top view of the upper rubber layer structure of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: go up rubber layer 1, lower rubber layer 2, connecting block 3, pull ring 4, vesicle 5, spout post 6, sunken groove 7, keep off ring 8, position sleeve 9, high strength spring 10, soft magnetic sheet 11, magnetic lug ring 12, reference column 13, sheet metal net 14, elastic component 15, taper sleeve 16, fixed block 17, wear pole 18, outer ring piece 19, aerogel felt heat-insulating ring 20, seal ring cover 21, high-elastic rubber ring 22, dop 23, fourth of the twelve earthly branches mouth 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, the present invention provides a technical solution: a high-elastic flange gasket for a high-temperature fluid pipeline comprises an upper rubber layer 1 and a lower rubber layer 2, wherein the top of the upper rubber layer 1 and the bottom of the lower rubber layer 2 are both provided with a concave groove 7, the side wall openings of the two concave grooves 7 are both fixedly connected with baffle rings 8, one side of each baffle ring 8 and the side of the concave groove 7 opposite to the baffle ring 8 are both fixedly connected with a positioning sleeve 9, a high-strength spring 10 is inserted in the positioning sleeve 9, soft magnetic sheets 11 are respectively installed in the two concave grooves 7, outer annular sheets 19 are respectively fixedly connected with the sides of the two soft magnetic sheets 11 far away from each other, a metal sheet net 14 is respectively fixedly installed in the two outer annular sheets 19, an aerogel felt heat insulation ring 20 is inserted in the middle of each outer annular sheet 19, and a high-elastic rubber ring 22 is respectively fixedly connected with the opposite side of each outer annular sheet 19 outside the metal sheet net 14, the cross-section of outer ring piece 19 is T type form, and the outer fixed surface of outer ring piece 19 installs the anti-skidding granule of evenly arranging, can improve the anti-drawing performance that the flange filled up, and has strengthened the leakproofness that the flange filled up indirectly, and anti-skidding granule improves coefficient of friction simultaneously, is favorable to the flange to fill up closely cooperating between the flange, go up the equal fixed mounting in the inside that is close to the outside on rubber layer 1 and lower rubber layer 2 has vesicle 5 that the equidistance was arranged.

As a preferred technical scheme of the invention: go up the bottom on rubber layer 1 and the top fixed connection on lower rubber layer 2, the outside fixed mounting on going up rubber layer has connecting block 3, and one side fixed mounting of connecting block 3 has pull ring 4, through setting up connecting block 3 and pull ring 4, makes things convenient for the staff to remove the flange pad, and then can make the flange pad better to the inner ring of last flange, easy operation is swift.

As a preferred technical scheme of the invention: the inside packing of vesicle 5 has the fire retardant, goes up the equal fixed mounting in the bottom that is close to the outside on the bottom on rubber layer 1 and the top that is close to the outside on lower rubber layer 2 and has the spray column 6 of evenly arranging, through setting up vesicle 5 and spray column 6, can break vesicle 5 under the condition of high temperature, impels fire-retardant powder from spraying 6 blowout of spray column, reaches fire-retardant purpose, and flame retardant efficiency is good, has avoided the potential safety hazard.

As a preferred technical scheme of the invention: the outer side of the soft magnetic sheet 11 is fixedly connected with a magnetic lug ring 12, positioning columns 13 are fixedly mounted on the upper side and the lower side of the magnetic lug ring 12, the outer surfaces of the positioning columns 13 are inserted into the high-strength spring 10, the high-elasticity performance of the flange gasket is enhanced by the high-strength spring 10 and the magnetic lug ring 12, the use stability of the flange gasket is improved, and the service life is prolonged.

As a preferred technical scheme of the invention: the elastic pieces 15 which are symmetrically arranged are fixedly connected inside the metal sheet net 14, the taper sleeves 16 are inserted inside the elastic pieces 15, the flange gasket is transversely gathered through the metal sheet net 14, and the elastic force of the flange gasket along the axial direction of the pipeline is increased.

As a preferred technical scheme of the invention: the bottom end of the taper sleeve 16 is fixedly connected with a fixing block 17, the bottom end of the fixing block 17 is fixedly provided with symmetrically arranged penetrating rods 18, the penetrating rods 18 are partially positioned inside the soft magnetic sheet 11, the taper sleeve 16 and the penetrating rods 18 are arranged, connection tightness and firmness are guaranteed, and longitudinal ductility of the flange gasket is enhanced.

As a preferred technical scheme of the invention: fixedly connected with seal ring cover 21 between the outside of aerogel felt heat insulating ring 20 and the inboard of outer ring piece 19, the cross-section of aerogel felt heat insulating ring 20 is rectangular form, through setting up aerogel felt heat insulating ring 20, extremely low coefficient of heat conductivity has, high temperature fluid to in the high temperature pipeline has better heat insulation effect, the area of contact of rubber layer and high temperature fluid that can also significantly reduce simultaneously, delay the ageing speed of rubber, the life of extension flange pad.

As a preferred technical scheme of the invention: the thickness value of high-elastic rubber ring 22 is less than the thickness value of upper rubber layer 1, and sealing ring sleeve 21 and high-elastic rubber ring 22 are arranged, so that the sealing performance of the flange gasket is enhanced, and the sealing effect is good.

As a preferred technical scheme of the invention: the upper end and the lower end of the outer side of the aerogel felt heat insulation ring 20 are both fixedly provided with clamping heads 23, and the upper end and the lower end of the inner side of the outer circular ring piece 19 are both provided with mortise ports 24.

As a preferred technical scheme of the invention: the mortise opening 24 is matched with the clamping head 23, the section of the clamping head 23 is rectangular, the section of the mortise opening 24 is rectangular, and the sealing performance of the connection between the aerogel felt heat insulation ring 20 and the outer annular sheet 19 is enhanced by the arrangement of the clamping head 23 and the mortise opening 24, so that the matching is compact, and the inventiveness is strong.

In conclusion, in the case of using the high-elasticity flange gasket for a high-temperature fluid pipeline, on one hand, the flange gasket is convenient for workers to move by arranging the connecting block 3 and the pull ring 4, so that the flange gasket can better face an inner ring of a flange, the operation is simple and rapid, on the other hand, by arranging the vesicle 5 and the spray column 6, the vesicle 5 can break under the condition of high temperature, so that flame retardant powder is sprayed out from the spray column 6, the flame retardant purpose is achieved, the flame retardant effect is good, the potential safety hazard is avoided, on the other hand, by arranging the high-strength spring 10 and the magnetic lug ring 12, the high-elasticity performance of the flange gasket is enhanced, the use stability of the flange gasket is improved, the service life is prolonged, on the other hand, by arranging the metal sheet net 14, the flange gasket has the function of transversely gathering together, the elasticity of the flange gasket along the axial direction of the pipeline is increased, on the, the tightness and firmness of connection are guaranteed, the longitudinal ductility of the flange pad is enhanced, on the other hand, the aerogel felt heat insulation ring 20 is arranged, the heat conductivity coefficient is extremely low, the high-temperature fluid in a high-temperature pipeline is well insulated, meanwhile, the contact area between a rubber layer and the high-temperature fluid can be greatly reduced, the aging speed of rubber is delayed, the service life of the flange pad is prolonged, the sealing performance of the flange pad is enhanced by arranging the sealing ring sleeve 21 and the high-elastic rubber ring 22, the sealing effect is good, in addition, the sealing performance of the connection between the aerogel felt heat insulation ring 20 and the outer ring piece 19 is enhanced by arranging the clamping head 23 and the mortise 24, the matching is compact, and the inventiveness is strong.

It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacted with the first and second features, or indirectly contacted with the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A high-elastic flange pad for high-temperature fluid pipeline, includes rubber layer (1) and lower rubber layer (2), its characterized in that: the inner parts, close to the outer sides, of the upper rubber layer (1) and the lower rubber layer (2) are fixedly provided with vesicles (5) which are arranged equidistantly, the top of the upper rubber layer (1) and the bottom of the lower rubber layer (2) are respectively provided with a concave groove (7), side wall openings of the two concave grooves (7) are respectively and fixedly connected with a baffle ring (8), one side of the baffle ring (8) and one side of the concave groove (7) opposite to the baffle ring (8) are respectively and fixedly connected with a positioning sleeve (9), a high-strength spring (10) is inserted into the positioning sleeve (9), soft magnetic sheets (11) are respectively installed into the two concave grooves (7), one side, far away from each other, of the two soft magnetic sheets (11) is respectively and fixedly connected with an outer ring sheet (19), the inner parts of the two outer sheets (19) are respectively and fixedly provided with a metal sheet net (14), and an aerogel heat insulation ring (20) is inserted into the middle part of the outer ring sheet (19), the opposite sides of the two outer circular ring pieces (19) are fixedly connected with high-elastic rubber rings (22) at the outer sides of the metal sheet nets (14); elastic pieces (15) which are symmetrically arranged are fixedly connected inside the metal sheet net (14), taper sleeves (16) are inserted into the elastic pieces (15), fixed blocks (17) are fixedly connected to the bottom ends of the taper sleeves (16), penetrating rods (18) which are symmetrically arranged are fixedly installed at the bottom ends of the fixed blocks (17), and parts of the penetrating rods (18) are located inside the soft magnetic sheet (11);

the thickness value of the high-elastic rubber ring (22) is smaller than that of the upper rubber layer (1);

the interior of the vesicle (5) is filled with a flame retardant, and the bottom end of the upper rubber layer (1) close to the outer side and the top end of the lower rubber layer (2) close to the outer side are both fixedly provided with uniformly arranged spray columns (6).

2. The high-resilience flange gasket for high-temperature fluid pipes according to claim 1, wherein: the bottom of the upper rubber layer (1) is fixedly connected with the top of the lower rubber layer (2), the outer side of the upper rubber layer (1) is fixedly provided with a connecting block (3), and one side of the connecting block (3) is fixedly provided with a pull ring (4).

3. The high-resilience flange gasket for high-temperature fluid pipes according to claim 1, wherein: the outer side of the soft magnetic sheet (11) is fixedly connected with a magnetic convex sheet ring (12), positioning columns (13) are fixedly mounted on the upper side and the lower side of the magnetic convex sheet ring (12), and the outer surfaces of the positioning columns (13) are inserted into the high-strength spring (10).

4. The high-resilience flange gasket for high-temperature fluid pipes according to claim 1, wherein: a sealing ring sleeve (21) is fixedly connected between the outer side of the aerogel felt heat insulation ring (20) and the inner side of the outer circular ring piece (19), and the cross section of the aerogel felt heat insulation ring (20) is rectangular.

5. The high-resilience flange gasket for high-temperature fluid pipes according to claim 1, wherein: the upper end and the lower end of the outer side of the aerogel felt heat insulation ring (20) are fixedly provided with clamping heads (23), and the upper end and the lower end of the inner side of the outer ring piece (19) are provided with mortise openings (24).

6. The high-resilience flange gasket for high-temperature fluid pipes according to claim 5, wherein: mortise opening (24) and dop (23) cooperation setting, the cross-section of dop (23) is rectangular form, the cross-section of mortise opening (24) is rectangular form.