CN208107385U - A kind of sealing device of hydrogen fluoride pre-reactor - Google Patents
A kind of sealing device of hydrogen fluoride pre-reactor Download PDFInfo
- Publication number
- CN208107385U CN208107385U CN201820584050.2U CN201820584050U CN208107385U CN 208107385 U CN208107385 U CN 208107385U CN 201820584050 U CN201820584050 U CN 201820584050U CN 208107385 U CN208107385 U CN 208107385U
- Authority
- CN
- China
- Prior art keywords
- gasket
- flange
- sealing
- tenon
- hydrogen fluoride
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 39
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title claims abstract description 16
- 239000000565 sealant Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- -1 Polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000010412 perfusion Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a kind of sealing devices of hydrogen fluoride pre-reactor, including flange and gasket, flange is provided with gasket slot, bolt hole, and flange includes first flange and second flange, and first flange is provided with convex surface, second flange is provided with the concave surface to match with convex surface, convex surface and concave surface constitute sealing surface, and the convex surface is provided with seal groove, and the concave surface is provided with tenon, seal groove and tenon match and depth is greater than tenon height, and gasket slot is arranged on the inside of sealing surface；The gasket includes the interior gasket and external seal pad of annular, and external seal pad is arranged between seal groove and tenon, and external seal pad matches with sealing trench bottom, and interior gasket is arranged in gasket slot, interior gasket internal diameter and flange inner diameter flush.The beneficial effects of the utility model are：Sealing effect is good, anti-corrosion capability is strong, service using life greatly increases.
Description
Technical field
The utility model relates to hydrogen fluoride pre-reactor apparatus field, the sealing of especially a kind of hydrogen fluoride pre-reactor is filled
It sets.
Background technique
In order to improve the preparation efficiency and purity of hydrogen fluoride, hydrogen fluoride pre-reactor is often used, is existed to fluorite and sulfuric acid
It is mixed and is reacted in pre-reactor.The sealing of each device often relies on simply in hydrogen fluoride pre-reactor in the prior art
Flange seal, this result in seal be easy corroded by strong acid, reduce service life of equipment.
Summary of the invention
The purpose of this utility model, which is that, overcomes above-mentioned deficiency, provides a kind of sealing device of hydrogen fluoride pre-reactor.
In order to achieve the above objectives, the utility model is implemented according to following technical scheme：
A kind of sealing device of hydrogen fluoride pre-reactor, including flange and gasket, flange are provided with gasket slot, bolt
Hole, flange include first flange and second flange, first flange is provided with convex surface, and second flange is provided with to match with convex surface
Concave surface, convex surface and concave surface constitute sealing surface, and the convex surface is provided with seal groove, and the concave surface is provided with tenon, seal groove and tenon
Head matches and depth is greater than tenon height, and gasket slot is arranged on the inside of sealing surface；The gasket includes the interior close of annular
Packing and external seal pad, external seal pad are arranged between seal groove and tenon, and external seal pad matches with sealing trench bottom, interior close
Packing is arranged in gasket slot, interior gasket internal diameter and flange inner diameter flush.
Further, the gasket is polytetrafluoroethylene sealing gasket.
Further, the gasket is flexible graphite sealing pad.Use polytetrafluoroethylene sealing gasket or soft graphite
Gasket can be improved the effect and anticorrosion ability of sealing
Further, sealant perfusion layer is provided on the outside of the sealing surface.Sealant is sealed seal, increases
Sealing effect prevents acid solution exposed.
Compared with prior art, the beneficial effects of the utility model are：Sealing effect is good, anti-corrosion capability is strong, device makes
It is greatly increased with the service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art.
Fig. 2 is the Structure explosion diagram of the utility model.
Fig. 3 is the utility model installation diagram.
Appended drawing reference：1, first flange, 2, second flange, 3, convex surface, 4, concave surface, 5, seal groove, 6, tenon, 7, gasket
Slot, 8, interior gasket, 9, external seal pad, 10, sealant layer.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings and specific embodiments, in the signal of this utility model
Property embodiment and explanation be used to explain the utility model, but be not intended to limit the scope of the present invention.
As shown in Figure 1 is in the prior art, the sealed structural schematic diagram between each device of hydrogen fluoride pre-reactor, for letter
Single flanged joint.
A kind of hydrogen fluoride as shown in Figure 2 and Figure 3 prevents strong-willed sealing device, including first flange 1, second flange 2,
Gasket, first flange 1, second flange 2 are provided with gasket slot 7, bolt hole, and first flange 1 is provided with convex surface 3, the second method
Orchid 2 is provided with the concave surface 4 to match with convex surface 3, and convex surface and concave surface constitute sealing surface, and the convex surface 3 is provided with seal groove 5, institute
It states concave surface 4 and is provided with tenon 6, seal groove 5 and tenon 6 match and depth is greater than the height of tenon 6, and the setting of gasket slot 7 exists
On the inside of sealing surface；The gasket include annular interior gasket 8 and external seal pad 9, external seal pad 8 setting seal groove 5 with
Between tenon 6, external seal pad 5 matches with 5 bottom of seal groove, and interior gasket 8 is arranged in gasket slot 7, in interior gasket 8
Diameter and the first, second flange inner diameter flush.
Further, the gasket is polytetrafluoroethylene sealing gasket or flexible graphite sealing pad.
Further, sealant perfusion layer 10 is provided on the outside of the sealing surface.Sealant is sealed seal, increases
Add sealing effect, prevents acid solution exposed.
Compare the prior art, and the sealing effect of the utility model is good, anti-corrosion capability is strong, service using life is long.
The limitation that the technical solution of the utility model is not limited to the above specific embodiments, all skills according to the present utility model
The technology deformation that art scheme is made, each falls within the protection scope of the utility model.
Claims (4)
1. a kind of sealing device of hydrogen fluoride pre-reactor, including flange and gasket, flange are provided with gasket slot, bolt
Hole, flange include first flange and second flange, first flange is provided with convex surface, and second flange is provided with to match with convex surface
Concave surface, convex surface and concave surface constitute sealing surface, it is characterised in that：The convex surface is provided with seal groove, and the concave surface is provided with tenon,
Seal groove and tenon match and depth is greater than tenon height, and gasket slot is arranged on the inside of sealing surface；The gasket includes
The interior gasket and external seal pad of annular, external seal pad are arranged between seal groove and tenon, external seal pad and sealing trench bottom
Match, interior gasket is arranged in gasket slot, interior gasket internal diameter and flange inner diameter flush.
2. a kind of sealing device of hydrogen fluoride pre-reactor according to claim 1, it is characterised in that：The gasket is
Polytetrafluoroethylene sealing gasket.
3. a kind of sealing device of hydrogen fluoride pre-reactor according to claim 1, it is characterised in that：The gasket is
Flexible graphite sealing pad.
4. a kind of sealing device of hydrogen fluoride pre-reactor according to claim 1, it is characterised in that：Outside the sealing surface
Side is provided with sealant perfusion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820584050.2U CN208107385U (en) | 2018-04-24 | 2018-04-24 | A kind of sealing device of hydrogen fluoride pre-reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820584050.2U CN208107385U (en) | 2018-04-24 | 2018-04-24 | A kind of sealing device of hydrogen fluoride pre-reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208107385U true CN208107385U (en) | 2018-11-16 |
Family
ID=64116496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820584050.2U Active CN208107385U (en) | 2018-04-24 | 2018-04-24 | A kind of sealing device of hydrogen fluoride pre-reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208107385U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657295A (en) * | 2019-09-24 | 2020-01-07 | 王为迪 | Petrochemical industry pipeline |
| CN114439941A (en) * | 2021-12-29 | 2022-05-06 | 东方电气集团东方汽轮机有限公司 | Sealing structure of flange butt joint surface and sealing method thereof |
| CN116428431A (en) * | 2023-03-17 | 2023-07-14 | 遵义钛业股份有限公司 | A distillation way heater flange joint device for titanium sponge production |
-
2018
- 2018-04-24 CN CN201820584050.2U patent/CN208107385U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657295A (en) * | 2019-09-24 | 2020-01-07 | 王为迪 | Petrochemical industry pipeline |
| CN114439941A (en) * | 2021-12-29 | 2022-05-06 | 东方电气集团东方汽轮机有限公司 | Sealing structure of flange butt joint surface and sealing method thereof |
| CN114439941B (en) * | 2021-12-29 | 2024-04-16 | 东方电气集团东方汽轮机有限公司 | Sealing structure and sealing method of flange butt joint surface |
| CN116428431A (en) * | 2023-03-17 | 2023-07-14 | 遵义钛业股份有限公司 | A distillation way heater flange joint device for titanium sponge production |
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| GR01 | Patent grant |