CN210266305U - High-pressure flange device - Google Patents
High-pressure flange device Download PDFInfo
- Publication number
- CN210266305U CN210266305U CN201921006132.XU CN201921006132U CN210266305U CN 210266305 U CN210266305 U CN 210266305U CN 201921006132 U CN201921006132 U CN 201921006132U CN 210266305 U CN210266305 U CN 210266305U
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- Prior art keywords
- pressure
- sealing gasket
- semicircular
- flange
- conical surface
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 48
- 230000001681 protective effect Effects 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The utility model relates to a high-pressure flange device, its characterized in that: the device is provided with two semicircular protective covers (2), the two semicircular protective covers (2) are arranged in first annular grooves (11) of two high-pressure flanges (1), a first sealing gasket (5) and a circular gasket part (51) are sleeved in the first annular grooves (11) of the two high-pressure flanges (1), and a plane gasket part (52) is arranged on a fixing flat plate (23) of the two semicircular protective covers (2) and is fastened through a second bolt (8); the conical surface screw head (7) is welded on the lower half part of the semicircular protective cover (2), one end of the conical surface high-pressure rubber pipe is connected with the conical surface screw head (7), and the other end of the conical surface high-pressure rubber pipe is placed in a trench or connected to a drainage pipeline. The utility model has simple structure, convenient installation and low cost; the combined sealing gasket can keep enough strength and rigidity and can also keep tightness, and the service life is long; safe and reliable, if leakage occurs, the collecting and dredging can be effectively carried out, and secondary damage to equipment and personnel can not be generated.
Description
Technical Field
The utility model particularly relates to a high-pressure flange device belongs to wide and thick plate mill water under high pressure descaling technical field.
Background
At present, in the rolling production process of a wide and thick plate rolling mill, high-pressure water descaling treatment is carried out on a hot steel billet in advance in each rolling pass. The pressure of high-pressure water reaches 280 kg, a plurality of energy storage tanks are used for maintaining the pressure of the whole high-pressure water system, and the energy storage tanks are connected through high-pressure flanges; the high-pressure flange sealing gasket is easy to generate material aging and plastic deformation, the resilience force is reduced, and sudden leakage is easy to occur; the water pressure is high, splashes to adjacent electric and hydraulic equipment, rush repair personnel are difficult to approach, and secondary damage accidents of the equipment and the personnel are easy to happen. Therefore, the reliability and the durability of the high-pressure flange device are very important, and the whole production process is smoothly carried out, so that the high-pressure flange device is safe and has no accident. To above not enough, the multiple high-pressure flange device of research and development in industry is as "a high-pressure large diameter flange" patent number CN 207437976U the utility model discloses a high-pressure large diameter flange, including the flange main part, circular recess has been seted up at the middle part of flange main part, the cavity circular slot has been seted up at the middle part of circular recess, the equidistance encircles and has seted up a plurality of connecting holes on the outer circumferential wall of flange main part, the cavity has been seted up to the circular recess department of flange main part, be equipped with the fixture block in the cavity, fixedly connected with lug on the fixture block, from last to the level in proper order down in the cavity is equipped with slide bar and bolt, install the nut on the fixture block, and the fixture block passes through nut and bolt threaded connection, and fixture block and slide bar sliding connection, the bearing is installed with bolt. The utility model discloses stable in structure, the installation of being convenient for, be convenient for remove, be convenient for quick dismantlement and fixed can save a large amount of time and efforts of installer, are worth promoting. In addition like a novel high-pressure flange CN 204201331U of "a high-pressure major diameter flange" patent number CN 207437976U the utility model provides a novel high-pressure flange, upper and lower flange junction contains 2 sealing washers, and the sealing washer gomphosis is in semi-circular recess, and the upper and lower part scribbles high temperature resistant elastic material on the sealing washer, has improved the leakproofness of flange, and the application of high temperature resistant elastic material has prevented that the sealing washer from receiving high temperature deformation. The flange surface is equipped with the cooling tube, through the circulation of external water receiving in the cooling tube, plays good cooling effect, makes the flange can work under high temperature high pressure environment, has prolonged the life of flange. The two patents have problems in operation safety and reliability in a 280 kg high-pressure water system, and leakage can occur in the operation process.
Disclosure of Invention
The utility model discloses the purpose designs a high-pressure flange device to the problem that exists more than. The structure is simple, and the installation is convenient; the leakage is avoided in the using process, and the service life is long; the device has safety protection measures, is safe and reliable, can effectively collect and dredge if leakage occurs, and cannot generate secondary damage to equipment and personnel. The technical scheme of the invention is as follows: a high-pressure flange device comprises a high-pressure flange, a combined sealing gasket, a first bolt, a pipeline and a conical screw head, wherein the high-pressure flange is welded with the pipeline, and the combined sealing gasket is arranged between sealing surfaces of two high-pressure flanges and fastened through the first bolt; the method is characterized in that: the device is provided with two semicircular protective covers which are arranged in first annular grooves of two high-pressure flanges, a circular pad part of a sealing pad is sleeved in the first annular grooves of the two high-pressure flanges, and a plane pad part is arranged on a fixed flat plate of the two semicircular protective covers and is fastened through a second bolt; the conical surface screw head is welded on the lower half part of the semicircular protective cover, one end of the conical surface high-pressure rubber pipe is connected with the conical surface screw head, and the other end of the conical surface high-pressure rubber pipe is placed in a trench or connected to a drainage pipeline.
According to the utility model, the high-pressure flange is preferably a high-pressure flange with a neck, and the outer circle side of the flange is provided with a first annular groove for installing a first sealing gasket and a protective cover; before the high-pressure flange is welded with the pipeline, the outer circle of the welding position of the pipeline is machined, and after the outer circles of the two high-pressure flanges are aligned, the welding is firm, so that the two flanges are concentric.
According to the invention, the semicircular protective cover is preferably divided into an upper semicircular cover and a lower semicircular cover, and the semicircular protective cover is in a semicircular groove structure. The material is manufactured by welding or forging and then machining; two sides are welded with fixed flat plates, and positioning holes and mounting holes are drilled on the fixed flat plates; when the upper semicircular cover and the lower semicircular cover are installed, the upper semicircular cover and the lower semicircular cover are firstly assembled in the positioning hole by the cylindrical pin and then are installed in the installation hole by the second bolt for fastening; the joint of the fixed flat plate and the upper semicircular cover and the lower semicircular cover is welded with a rib plate.
According to the utility model discloses preferred, combination seal gasket has steel skeleton and sealed the pad to form, and there is the second ring channel steel skeleton side, material stainless steel, and sealed the pad is placed to the second ring channel, and there is the water line sealed in sealed a side of filling up, the flange of being convenient for is sealed, the material: a soft resin; the thickness of the sealing gasket is slightly higher than the depth of the second annular groove, so that the elasticity of the sealing gasket is kept after the combined sealing gasket is installed and extruded. The combined sealing gasket can keep enough strength and rigidity and can also keep tightness.
According to the utility model discloses preferred, first sealed pad divides circular pad part and plane pad part, fills up circular pad part suit with first sealed pad at two high-pressure flange's first ring channel again, and plane pad part is arranged in on the fixed flat board of two semicircle protection casings, and the material is rubber.
According to the utility model discloses it is preferred, conical surface screw head for the trench is placed or is connected in drainage line to installation conical surface high pressure rubber tube one end other end.
The utility model has simple structure, convenient installation and low cost; the combined sealing gasket can keep enough strength and rigidity and can also keep sealing performance, no leakage is generated in the using process, and the service life is long; the invention has safety protection measures, is safe and reliable, can effectively collect and dredge if leakage occurs, and can not generate secondary damage to equipment and personnel.
Description of the drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a left side view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a full sectional view of the present invention;
FIG. 5 is a front view of the middle semicircular shield of the present invention;
fig. 6 is a left side view of the middle semicircular protective cover of the present invention;
FIG. 7 is a front view of the steel frame of the combined sealing gasket of the present invention;
FIG. 8 is a left side view of the steel frame of the combined sealing gasket of the present invention;
FIG. 9 is a front view of the gasket of the combined gasket seal of the present invention;
FIG. 10 is a left side view of the gasket of the combined gasket seal of the present invention;
fig. 11 is a front view of the gasket of the present invention;
fig. 12 is a left side view of the middle sealing gasket of the present invention.
In the figure, 1-flange, 2-semicircular shield, 3-combined sealing gasket, 4-first bolt, 5-first sealing gasket, 6-pipeline, 7-conical screw head, 8-second bolt, 11-first annular groove, 21-upper semicircular cover, 22-lower semicircular cover, 23-fixing flat plate, 24-positioning hole, 25-mounting hole, 26-rib plate, 31-steel skeleton, 311-second annular groove, 32-second sealing gasket, 321-water line, 51-circular cushion part and 52-plane cushion part.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to examples and drawings, but is not limited thereto.
A high-pressure flange device comprises high-pressure flanges 1, a combined sealing gasket 3, first bolts 4, a pipeline 6 and a conical screw head 7, wherein the high-pressure flanges 1 are welded with the pipeline 6, and the combined sealing gasket 3 is arranged between sealing surfaces of the two high-pressure flanges 1 and fastened through the first bolts 4; the method is characterized in that: the device is provided with two semicircular protective covers 2, the two semicircular protective covers 2 are arranged in first annular grooves 11 of two high-pressure flanges 1, a first sealing gasket 5, a circular pad part 51 is sleeved in the first annular grooves 11 of the two high-pressure flanges 1, and a plane pad part 52 is arranged on a fixing flat plate 23 of the two semicircular protective covers 2 and is fastened through a second bolt 8; the conical thread 7 is welded on the lower half part of the semicircular protective cover 2, one end of the conical high-pressure rubber tube is connected with the conical thread 7, and the other end of the conical high-pressure rubber tube is placed in a trench or connected to a drainage pipeline. When the two-way high-pressure flange is installed, the first sealing gasket 5 is firstly sleeved on the pipeline 6, then the circular pad part 51 of the first sealing gasket 5 is sleeved on the first annular grooves 11 of the two high-pressure flanges 1, and the plane pad part 52 is arranged on the fixing flat plate 23 of the two semicircular protective covers 2.
Preferably, the high-pressure flange 1 is a high-pressure flange with a neck, and a first annular groove 11 is formed in the outer circle side of the flange and used for installing the first sealing gasket 5 and the protective cover 2; before the high-pressure flange 1 is welded with the pipeline 6, the outer circle of the welding position of the pipeline is machined, and after the outer circles of the two high-pressure flanges 1 are aligned, the welding is firm, so that the two flanges are concentric.
Preferably, the semicircular shield 2 is divided into an upper semicircular cover 21 and a lower semicircular cover 22, and is shaped as a semicircular groove structure. The material is manufactured by welding or forging and then machining; the two sides are welded with fixed flat plates 23, and positioning holes 24 and mounting holes 25 are drilled on the fixed flat plates; when the upper semicircular cover 21 and the lower semicircular cover 22 are installed, the upper semicircular cover and the lower semicircular cover are firstly assembled in the positioning hole 24 by using a cylindrical pin and then are installed in the installation hole 25 by using the second bolt 8 for fastening; a rib plate 26 is welded at the joint of the fixed flat plate 23 and the upper semicircular cover 21 and the lower semicircular cover 22.
Preferably, combination seal gasket 3 has steel skeleton 31 and the sealed 32 constitution of second packing, and steel skeleton 31 both sides face has second annular groove 311, and the material stainless steel, second packing 32 are placed to second annular groove 311, and there is water line 321 second packing 32 a side, and the flange of being convenient for is sealed, the material: a soft resin; the thickness of the second gasket 32 is slightly larger than the depth of the second annular groove 311, so that the elasticity of the gasket 32 is maintained after the combined sealing gasket 3 is mounted and pressed. The combined sealing gasket can keep enough strength and rigidity and can also keep tightness.
Preferably, the first sealing gasket 5 is divided into a circular gasket part 51 and a flat gasket part 52, the circular gasket part 51 of the first sealing gasket 5 is sleeved on the first annular grooves 11 of the two high-pressure flanges 1, and the flat gasket part 52 is arranged on the fixing flat plate 23 of the two semicircular protective covers 2 and is made of rubber.
Preferably, the conical thread end 7 is used for installing one end of the conical high-pressure rubber tube and the other end of the conical high-pressure rubber tube to place a trench or be connected to a drainage pipeline.
Claims (4)
1. A high-pressure flange device comprises a high-pressure flange (1), a combined sealing gasket (3), first bolts (4), a pipeline (6) and a conical screw head (7), wherein the high-pressure flange (1) is welded with the pipeline (6), and the combined sealing gasket (3) is arranged between sealing surfaces of the two high-pressure flanges (1) and is fastened through the first bolts (4); the method is characterized in that: the device is provided with two semicircular protective covers (2), the two semicircular protective covers (2) are arranged in first annular grooves (11) of two high-pressure flanges (1), a first sealing gasket (5) and a circular gasket part (51) are sleeved in the first annular grooves (11) of the two high-pressure flanges (1), and a plane gasket part (52) is arranged on a fixing flat plate (23) of the two semicircular protective covers (2) and is fastened through a second bolt (8); the conical surface screw head (7) is welded on the lower half part of the semicircular protective cover (2), one end of the conical surface high-pressure rubber pipe is connected with the conical surface screw head (7), and the other end of the conical surface high-pressure rubber pipe is placed in a trench or connected to a drainage pipeline.
2. A high pressure flange apparatus according to claim 1, wherein: the high-pressure flange (1) is a high-pressure flange with a neck, and a first annular groove (11) is formed in the outer circle side of the flange and used for mounting a first sealing gasket (5) and a protective cover (2); after the outer circles of the two high-pressure flanges (1) are aligned, the welding is firm, and the two flanges are ensured to be concentric.
3. A high pressure flange apparatus according to claim 1, wherein: the semicircular protective cover (2) is divided into an upper semicircular cover (21) and a lower semicircular cover (22), the semicircular protective cover is in a semicircular groove structure, fixing flat plates (23) are welded on two sides of the semicircular protective cover, and positioning holes (24) and mounting holes (25) are drilled on the fixing flat plates; the joint of the fixed flat plate (23) and the upper semicircular cover (21) and the lower semicircular cover (22) is welded with a rib plate (26).
4. A high pressure flange apparatus according to claim 1, wherein: the combined sealing gasket (3) is composed of a steel framework (31) and a second sealing gasket (32), two side faces of the steel framework (31) are provided with second annular grooves (311), the second sealing gasket (32) is placed in the second annular grooves (311), one side face of the second sealing gasket (32) is provided with a water line (321), the flange sealing is convenient, the thickness of the second sealing gasket (32) is slightly higher than the depth of the second annular grooves (311), and the elasticity of the second sealing gasket (32) is kept after the combined sealing gasket (3) is installed and extruded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006132.XU CN210266305U (en) | 2019-07-01 | 2019-07-01 | High-pressure flange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006132.XU CN210266305U (en) | 2019-07-01 | 2019-07-01 | High-pressure flange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210266305U true CN210266305U (en) | 2020-04-07 |
Family
ID=70046231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921006132.XU Expired - Fee Related CN210266305U (en) | 2019-07-01 | 2019-07-01 | High-pressure flange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210266305U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648442A (en) * | 2020-12-30 | 2021-04-13 | 西安利和愽机械制造有限公司 | Wind-force flange structure |
| CN113669529A (en) * | 2021-07-22 | 2021-11-19 | 中国水利水电第六工程局有限公司 | Pressure steel pipe butt joint reinforcing apparatus |
-
2019
- 2019-07-01 CN CN201921006132.XU patent/CN210266305U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648442A (en) * | 2020-12-30 | 2021-04-13 | 西安利和愽机械制造有限公司 | Wind-force flange structure |
| CN113669529A (en) * | 2021-07-22 | 2021-11-19 | 中国水利水电第六工程局有限公司 | Pressure steel pipe butt joint reinforcing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |