CN210106811U - Device for enhancing sealing reliability of hydrogen-pressure-leading instrument of reforming regeneration unit - Google Patents
Device for enhancing sealing reliability of hydrogen-pressure-leading instrument of reforming regeneration unit Download PDFInfo
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- CN210106811U CN210106811U CN201920440289.7U CN201920440289U CN210106811U CN 210106811 U CN210106811 U CN 210106811U CN 201920440289 U CN201920440289 U CN 201920440289U CN 210106811 U CN210106811 U CN 210106811U
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Abstract
The utility model relates to the technical field of chemical industry, a strengthen reforming regeneration unit and have hydrogen to draw device of instrument seal reliability of pressing is disclosed. The device comprises a first steel pipe flange, a second steel pipe flange and a fastener for connecting the first steel pipe flange and the second steel pipe flange, wherein a sealing gasket for preventing the hydrogen-contacting medium from leaking outwards is arranged between the first steel pipe flange and the second steel pipe flange; the primary valve is connected with a first steel pipe flange through a first pressure leading pipe, and the instrument is connected with a second steel pipe flange through a second pressure leading pipe. The utility model discloses a to the hydrogen medium instrument measuring tube threaded connection, pressure pad are sealed change flange joint, the metal winding pad is sealed into to strengthen hydrogen and draw pressure instrument sealing reliability. The device has the advantages of simple structure, ingenious design, convenient operation and no pollution.
Description
Technical Field
The utility model relates to a chemical industry technical field especially relates to a strengthen device that reforming regeneration unit was close to hydrogen and is drawn pressure instrument sealing reliability.
Background
The reforming regeneration unit is realized by the control of a set of catalyst regeneration control system CRCS, and the aim is to circulate and regenerate the catalyst. The catalyst regeneration part consists of a set of equipment which is closely connected with the reaction part and is relatively independent, the first function is to realize continuous circulation of the catalyst, and the second function is to complete the regeneration of the catalyst while the catalyst is circulated. The accuracy, safety and reliability of the measurement of the hydrogen pressure-leading instrument in the regeneration area are important components of the catalyst circulation and regeneration, and once the hydrogen pressure-leading instrument leaks and is distorted in measurement, the circulation and regeneration of the catalyst are affected, so that the performance of the catalyst and the product quality of the device are affected.
Chinese patent application number is CN 201710941841.6's patent, discloses a leak protection device for pressure instrument, include the first communicating pipe with this body coupling of pressure instrument, the one end screw thread that the pressure instrument body was kept away from to first communicating pipe has cup jointed the second communicating pipe, the one end screw thread that the second communicating pipe is close to first communicating pipe has cup jointed lock nut, fixed cup joint on the first communicating pipe with the support ring that lock nut corresponds, lock nut is close to the first seal gasket of the one end fixedly connected with of support ring, one side that lock nut was kept away from to first seal gasket offsets with supporting the ring, be equipped with the installation piece in the second communicating pipe, one side of installation piece is equipped with the mounting groove. The device improves sealing performance through secondary thread sealing. However, the connection of the thread seal prevents easy leakage and has poor sealing performance.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a strengthen reforming regeneration unit and have hydrogen to draw device of pressure instrument sealing reliability. The device changes the threaded connection and the pressure pad sealing of the measuring pipeline of the hydrogen-contacting medium instrument into flange connection and metal winding pad sealing, thereby enhancing the sealing reliability of the hydrogen-contacting pressure instrument. The device has simple structure, ingenious design, convenient operation and no pollution.
The utility model discloses a concrete technical scheme does: a device for enhancing the sealing reliability of a hydrogen-contacting pressure-inducing instrument of a reforming regeneration unit comprises a first steel pipe flange, a second steel pipe flange matched with the first steel pipe flange and a fastener for connecting the first steel pipe flange and the second steel pipe flange, wherein a sealing gasket for preventing a hydrogen-contacting medium from leaking outwards is arranged between the first steel pipe flange and the second steel pipe flange; the primary valve is connected with a first steel pipe flange through a first pressure leading pipe, and the instrument is connected with a second steel pipe flange through a second pressure leading pipe.
The measurement pipeline of the prior art hydrogen pressure-leading instrument is sealed by a threaded connection and a pressure pad, but the link mode has poor sealing performance, and the reliability and the accuracy of the sealing of the hydrogen pressure-leading instrument are poor. The utility model discloses an equipment structure is simple, convenient operation, and through to the medium instrument measuring tube threaded connection that is close to hydrogen, the pressure pad is sealed to be changed into flange joint, and the metal winding pad is sealed to strengthen the device that is close to hydrogen and draws pressure instrument sealing reliability. The catalyst gets into first steel pipe flange through first pressure pipe entering after valve regulation once, gets into second steel pipe flange, because the effect of metal wound gasket, the catalyst is difficult for oozing from the junction of first steel pipe flange and second steel pipe flange, then the catalyst passes through the second pressure pipe entering instrument, and then measures the fluidic pressure of catalyst through the instrument.
The first steel pipe flange is connected with the first pressure leading pipe in a socket welding mode, and the second steel pipe flange is connected with the second pressure leading pipe in a socket welding mode. The first steel pipe flange is connected with the first pressure leading pipe in a socket welding mode, the second steel pipe flange is connected with the second pressure leading pipe in a socket welding mode, leakage amount can be reduced, and sealing reliability and measuring accuracy of the hydrogen pressure leading instrument are improved.
And a plurality of concentric through holes are formed in the first steel pipe flange and the second steel pipe flange. The full-thread stud penetrates through concentric circular through holes in the first steel pipe flange and the second steel pipe flange, and the nut and the two ends of the full-thread stud are tightly connected with the first steel pipe flange and the second steel pipe flange through threads.
The fastener includes a stud and a nut. The nut and the two ends of the full-thread stud are tightly connected with the first steel pipe flange and the second steel pipe flange through threads.
The sealing gasket is a metal winding gasket. The metal wound gasket used for preventing the hydrogen medium from leaking outwards between the first steel pipe flange and the second steel pipe flange can keep the leakage amount at a quite low level, improve the sealing performance of the hydrogen pressure guiding instrument and further improve the reliability and the measuring accuracy of the hydrogen pressure guiding instrument.
The sealing gasket is provided with a plurality of elastic bulges. The elastic bulge can increase a plurality of bent passages on the linear leakage channel and increase the sealing property of the joint of the first steel pipe flange and the second steel pipe flange.
A boss is arranged on the position, close to the through hole of the concentric circle, of the inner side of the second steel pipe flange, and a groove matched with the boss is arranged at the position, corresponding to the boss, of the first steel pipe flange. The arrangement of the boss and the groove can increase the sealing performance of the joint of the first steel pipe flange and the second steel pipe flange. The elastic rubber layer is arranged on the surfaces of the lug boss and the groove, so that the sealing property of the joint of the first steel pipe flange and the second steel pipe flange can be further improved.
And a sealing gasket accommodating cavity is arranged in the circumference where the boss and the groove are located. The sealing gasket accommodating cavity can limit the position of the sealing gasket and improve the tightness of the combination of the sealing gasket, the first steel pipe flange and the second steel pipe flange.
The utility model has the advantages that: the utility model discloses a to the hydrogen medium instrument measurement pipeline threaded connection, pressure pad seal change flange joint, metal winding pad into sealed, reduce and let out leakage quantity to the hydrogen pressure instrument sealing reliability and the measuring accuracy have been improved.
Drawings
FIG. 1 is a schematic diagram of an apparatus for enhancing the sealing reliability of a hydrogen pressure-inducing instrument of a reforming regeneration unit according to the present invention;
FIG. 2 is a partial sectional view of a seal-connecting portion of an apparatus according to embodiment 1 of the present invention;
fig. 3 is a partial sectional view of a seal-connecting portion of an apparatus according to embodiment 2 of the present invention.
The reference signs are: 1. a primary valve; 2. a first steel pipe flange; 3. a fastener; 4. sealing gaskets; 5. a second steel pipe flange; 6. a second pressure leading pipe; 7. a meter; 8. a first pressure leading pipe; 21. a concentric circular through hole; 22. a groove; 31. a stud; 32. a nut; 41. an elastic bulge; 51. a boss; 52. the gasket housing cavity.
Detailed Description
The present invention will be further described with reference to the following examples. The devices, connections, and methods referred to in this disclosure are those known in the art, unless otherwise indicated.
Example 1
As shown in fig. 1 and 2: the utility model provides a strengthen reforming regeneration unit and have hydrogen to draw device of instrument sealing reliability, the device includes first steel pipe flange 2, second steel pipe flange 5 and connects fastener 3 of first steel pipe flange and second steel pipe flange, first steel pipe flange is 20# steel pipe flange, second steel pipe flange is 316SS steel pipe flange, the fastener include full thread stud 31 and with two the nut 32 that full thread stud matches. A sealing gasket 4 for preventing the hydrogen medium from leaking outwards is arranged between the first steel pipe flange and the second steel pipe flange, and the sealing gasket is a metal winding type gasket. The metal wound gasket used for preventing the hydrogen medium from leaking outwards between the first steel pipe flange and the second steel pipe flange can keep the leakage amount at a quite low level, improve the sealing performance of the hydrogen pressure guiding instrument and further improve the reliability and the measuring accuracy of the hydrogen pressure guiding instrument.
As shown in fig. 1: the primary valve 1 is connected with a first steel pipe flange through a first pressure pipe 8, the first steel pipe flange is connected with the first pressure pipe in a socket welding mode, the instrument 7 is connected with a second steel pipe flange through a second pressure pipe 6, and the second steel pipe flange is connected with the second pressure pipe in a socket welding mode. The first steel pipe flange is connected with the first pressure leading pipe in a socket welding mode, the second steel pipe flange is connected with the second pressure leading pipe in a socket welding mode, leakage amount can be reduced, and sealing reliability and measuring accuracy of the hydrogen pressure leading instrument are improved.
As shown in fig. 2: a plurality of concentric through holes 21 are arranged on the first steel pipe flange and the second steel pipe flange. The full-thread stud penetrates through concentric circular through holes in the first steel pipe flange and the second steel pipe flange, and the nut and the two ends of the full-thread stud are tightly connected with the first steel pipe flange and the second steel pipe flange through threads.
The utility model discloses an equipment structure is simple, convenient operation, and through to the medium instrument measuring tube threaded connection that is close to hydrogen, the pressure pad is sealed to be changed into flange joint, and the metal winding pad is sealed to strengthen the device that is close to hydrogen and draws pressure instrument sealing reliability. The catalyst gets into first steel pipe flange through first pressure pipe entering after valve regulation once, gets into second steel pipe flange, because the effect of metal wound gasket, the catalyst is difficult for oozing from the junction of first steel pipe flange and second steel pipe flange, then the catalyst passes through the second pressure pipe entering instrument, and then measures the fluidic pressure of catalyst through the instrument.
Example 2
Example 2 differs from example 1 in that: as shown in fig. 3, the sealing gasket is provided with a plurality of elastic protrusions 41, and the elastic protrusions can increase a plurality of curved paths on the linear leakage channel, so as to increase the sealing performance at the joint of the first steel pipe flange and the second steel pipe flange. A boss 51 is arranged at the position, close to the through hole of the concentric circle, of the inner side of the second steel pipe flange, and a groove 22 matched with the boss is arranged at the position, corresponding to the boss, of the first steel pipe flange. The arrangement of the boss and the groove can increase the sealing performance of the joint of the first steel pipe flange and the second steel pipe flange. The elastic rubber layer is arranged on the surfaces of the lug boss and the groove, so that the sealing property of the joint of the first steel pipe flange and the second steel pipe flange can be further improved. A gasket housing cavity 52 is provided in the circumference of the boss and the recess. The sealing gasket accommodating cavity can limit the position of the sealing gasket and improve the tightness of the combination of the sealing gasket, the first steel pipe flange and the second steel pipe flange. The rest of the procedure was the same as in example 1.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent structure transform of doing to above embodiment the utility model discloses technical scheme's protection scope.
Claims (8)
1. The utility model provides a strengthen reforming regeneration unit and press device of instrument seal reliability that is just having hydrogen, its characterized in that: the device comprises a first steel pipe flange (2), a second steel pipe flange (5) matched with the first steel pipe flange and a fastener (3) for connecting the first steel pipe flange and the second steel pipe flange, wherein a sealing gasket (4) for preventing a hydrogen medium from leaking outwards is arranged between the first steel pipe flange and the second steel pipe flange; the primary valve (1) is connected with a first steel pipe flange through a first pressure guiding pipe (8), and the instrument (7) is connected with a second steel pipe flange through a second pressure guiding pipe (6).
2. The apparatus of claim 1, wherein the reforming regeneration unit is adapted to enhance the sealing reliability of the hydrogen pressure gauge, and the apparatus further comprises: the first steel pipe flange is connected with the first pressure leading pipe in a socket welding mode, and the second steel pipe flange is connected with the second pressure leading pipe in a socket welding mode.
3. The apparatus of claim 2, wherein the means for enhancing the sealing reliability of the hydro-pressure gauge of the reforming regeneration unit comprises: a plurality of concentric through holes (21) are formed in the first steel pipe flange and the second steel pipe flange.
4. An apparatus for enhancing the sealing reliability of a reforming regeneration unit hydrogen pressure-inducing instrument according to claim 1 or 3, wherein: the fastener includes a stud (31) and a nut (32).
5. An apparatus for enhancing the sealing reliability of a reforming regeneration unit hydrogen pressure-inducing instrument according to claim 1 or 3, wherein: the sealing gasket is a metal winding gasket.
6. The apparatus of claim 5, wherein the reforming regeneration unit further comprises a hydrogen pressure gauge, and the hydrogen pressure gauge comprises: the sealing gasket is provided with a plurality of elastic bulges (41).
7. An apparatus for enhancing the sealing reliability of a reforming regeneration unit hydrogen pressure-inducing instrument according to claim 1 or 3, wherein: a boss (51) is arranged on the inner side of the second steel pipe flange close to the through hole of the concentric circle, and a groove (22) matched with the boss is arranged on the first steel pipe flange at the position corresponding to the boss.
8. The apparatus of claim 7, wherein the means for enhancing the sealing reliability of the hydro-pressure gauge of the reforming regeneration unit comprises: and a sealing gasket accommodating cavity (52) is arranged in the circumference of the boss and the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920440289.7U CN210106811U (en) | 2019-04-02 | 2019-04-02 | Device for enhancing sealing reliability of hydrogen-pressure-leading instrument of reforming regeneration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920440289.7U CN210106811U (en) | 2019-04-02 | 2019-04-02 | Device for enhancing sealing reliability of hydrogen-pressure-leading instrument of reforming regeneration unit |
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| CN210106811U true CN210106811U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920440289.7U Active CN210106811U (en) | 2019-04-02 | 2019-04-02 | Device for enhancing sealing reliability of hydrogen-pressure-leading instrument of reforming regeneration unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059819A (en) * | 2022-08-18 | 2022-09-16 | 江苏立中新材料科技有限公司 | Sealing element for aluminum alloy liquid conveying pipe |
-
2019
- 2019-04-02 CN CN201920440289.7U patent/CN210106811U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059819A (en) * | 2022-08-18 | 2022-09-16 | 江苏立中新材料科技有限公司 | Sealing element for aluminum alloy liquid conveying pipe |
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