CN208010920U - A kind of pressure relief device of vacuum deep cooling container - Google Patents
A kind of pressure relief device of vacuum deep cooling container Download PDFInfo
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- CN208010920U CN208010920U CN201820328895.5U CN201820328895U CN208010920U CN 208010920 U CN208010920 U CN 208010920U CN 201820328895 U CN201820328895 U CN 201820328895U CN 208010920 U CN208010920 U CN 208010920U
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Abstract
The utility model is related to a kind of pressure relief devices of vacuum deep cooling container, it is characterised in that：It is equipped with valve base sealing body and gland at the top of valve seat reinforced pipe, the outside of valve base sealing body is equipped with annular groove, valve seat reinforced pipe is fixedly connected by welding with valve base sealing body, valve base sealing body and gland are tightly connected by " O " type sealing ring I and " O " type sealing ring II, " O " type sealing ring I is fixed in the circumferential card slot in the middle part of gland, " O " type sealing ring II is fixed on the anchor ring of gland top, pass through valve base sealing body, " O " type sealing ring I, the double sealing structure of " O " type sealing ring II and gland composition vacuum deep cooling container pressure relief device, head protector is arranged in the outside of valve base sealing body, it is fixedly connected by screw；Valve seat reinforced pipe is fixedly connected using total cross-section through welding welding with shell of tank body.The utility model has reasonable design, process for machining and manufacturing easy, it is at low cost, sealing performance is safe and reliable the advantages that, it is easy to accomplish promote and apply.
Description
Technical field
The utility model is related to a kind of vacuum tank pressure relief device, more particularly to the pressure release of a kind of vacuum deep cooling container fills
It sets.
Background technology
Adjustment with China's energy resource structure and air environment pollution control, the needs of energy-saving and emission-reduction are natural to liquefy
Gas（LNG）It obtains and more promotes the use of for the clean energy resource of representative, the liquefied natural gas used（LNG）Storage tank is mostly to fix
Formula vacuum insulation deep cooling pressure vessel.Currently, vacuum deep cooling container in the prior art is mainly characterized by inner housing in vacuum
It under the cold insulation of interlayer, is run under cryogenic, vacuum interlayer generally use high vacuum multiple layer heat insulation or vacuum powder are exhausted
Then heat vacuumizes vacuum interlayer, equipment vacuum interlayer leakage rate, vacuum interlayer glomus mosseae and sealing vacuum degree etc.
Equipment can formally put into operation after indices meet correlation standard.Pressure relief device is to ensure equipment operation vacuum interlayer
The venting of vacuum degree, the vacuum degree that otherwise will cause equipment that service requirement is not achieved, interlayer leaking heat increase, and cause inner cylinder deep
Cold medium pressure drastically increases, to cause equipment safety accident.
Invention content
The utility model overcomes above-mentioned defect, it is therefore an objective to be provided with and try hard to keep for vacuum deep cooling container safe operation
Barrier, provides a kind of leakproofness at the problems such as solving unreasonable vacuum deep cooling container pressure relief device design structure, anti-vacuum-energy force difference
The vacuum deep cooling container pressure relief device that energy is reliable, security performance is high.
The pressure relief device content Description of the utility model vacuum deep cooling container：
The pressure relief device of the utility model vacuum deep cooling container, it is characterised in that：Be by：Valve seat reinforced pipe, valve base sealing
Body, screw, " O " type sealing ring I, " O " type sealing ring II, gland and head protector composition are equipped with valve at the top of valve seat reinforced pipe
The outside of seat seal and gland, valve base sealing body is equipped with annular groove, and valve seat reinforced pipe is with valve base sealing body by being welded and fixed
Connection, valve base sealing body and gland are tightly connected by " O " type sealing ring I and " O " type sealing ring II, and " O " type sealing ring I is fixed
In the circumferential card slot being arranged in the middle part of gland, " O " type sealing ring II is fixed on the anchor ring of gland top, passes through valve base sealing
The double sealing structure of body, " O " type sealing ring I, " O " type sealing ring II and gland composition vacuum deep cooling container pressure relief device, protection
Cap is arranged in the outside of valve base sealing body, is fixedly connected by screw；Valve seat reinforced pipe is using the welding of total cross-section through welding and container
Outer housing is fixedly connected.
The pressure relief device of the utility model vacuum deep cooling container has reasonable design, and process for machining and manufacturing is easy, is manufactured into
The advantages that this is low, sealing performance is safe and reliable, it is easy to accomplish promote and apply.
Description of the drawings
Fig. 1 is the pressure relief device structural schematic diagram of vacuum deep cooling container；
In figure：1 be valve seat reinforced pipe, 2 be valve base sealing body, 3 be screw, 4 be " O " type sealing ring I, 5 be " O " type sealing
Circle II, 6 is gland, 7 is head protector, 8 is shell of tank body.
Specific implementation mode
The pressure relief device of the utility model vacuum deep cooling container is achieved in that be illustrated below in conjunction with the accompanying drawings.
See Fig. 1, the pressure relief device of the utility model vacuum deep cooling container, be by：Valve seat reinforced pipe 1, valve base sealing body 2,
Screw 3, " O " type sealing ring I 4, " O " type sealing ring II 5, gland 6 and head protector 7 form, and are set at the top of valve seat reinforced pipe 1
There are valve base sealing body 2 and gland 6, the outside of valve base sealing body 2 to be equipped with annular groove, valve seat reinforced pipe 1 passes through with valve base sealing body 2
It is welded and fixed connection, valve base sealing body 2 and gland 6 to be tightly connected by " O " type sealing ring I 4 and " O " type sealing ring II 5, " O "
Type sealing ring I 4 is fixed in the circumferential card slot at 6 middle part of gland, and " O " type sealing ring II 5 is fixed at 6 top of gland
On anchor ring, vacuum deep cooling container is formed by valve base sealing body 1, " O " type sealing ring I 4, " O " type sealing ring II 5 and gland 6 and is let out
The double sealing structure of pressure device, head protector 7 are arranged in the outside of valve base sealing body 2, are fixedly connected by screw 3；Valve seat is reinforced
Pipe 1 is fixedly connected using total cross-section through welding form welding with shell of tank body 8.
A kind of vacuum deep cooling container pressure relief device of the utility model, valve seat reinforced pipe 1 use 20 steel thick-walled pipes, valve base sealing
Body 2 is process using S30408 stainless steel forgings, and 2 outside of valve base sealing body is equipped with width 6mm, the annular groove of depth 6mm, valve seat
Reinforced pipe 1 is used to be welded and fixed and be connect with valve base sealing body 2, and valve seat reinforced pipe 1 penetrates shape with shell of tank body 8 using total cross-section
Formula is welded；" O " type sealing ring I 4 is fixed in the circumferential card slot at 6 middle part of gland, and " O " type sealing ring II 5 is fixed on gland 6
On portion's anchor ring, pass through valve base sealing body 1, " O " type sealing ring I 4, O-ring seal（II）5 and gland 6 form vacuum deep cooling container
The double sealing structure of pressure relief device ensures equipment required vacuum degree index in vacuum test and normal operating conditions.It is anti-
The lower part of helmet 7 along the circumferential direction opens up 4 uniformly distributed threaded holes, and head protector 7 is arranged in the outside of seal 2, passes through 4 spiral shells
Nail 3 is fixed in the annular groove in 2 outside of valve base sealing body, has the protective actions such as rain-proof, dust-proof.
The utility model vacuum deep cooling container pressure relief device has reasonable design, and process for machining and manufacturing is easy, manufacturing cost
Low, the advantages that sealing performance is safe and reliable, it is easy to accomplish promote and apply.
Claims (1)
1. a kind of pressure relief device of vacuum deep cooling container, it is characterised in that：Be by：Valve seat reinforced pipe（1）, valve base sealing body（2）,
Screw（3）, " O " type sealing ring I（4）, " O " type sealing ring II（5）, gland（6）And head protector（7）Composition, in valve seat reinforced pipe
（1）Top be equipped with valve base sealing body（2）With gland 6, valve base sealing body（2）Outside be equipped with annular groove, valve seat reinforced pipe（1）
With valve base sealing body（2）It is fixedly connected by welding, valve base sealing body（2）And gland（6）Pass through " O " type sealing ring I（4）With
" O " type sealing ring II（5）It is tightly connected, " O " type sealing ring I（4）It is fixed at gland（6）In the circumferential card slot at middle part, " O "
Type sealing ring II（5）It is fixed at gland（6）On the anchor ring of top, pass through valve base sealing body（2）, " O " type sealing ring I（4）,
" O " type sealing ring II（5）And gland（6）Form the double sealing structure of vacuum deep cooling container pressure relief device, head protector（7）Setting exists
Valve base sealing body（2）Outside, pass through screw（3）It is fixedly connected；Valve seat reinforced pipe（1）Welding and container are penetrated using total cross-section
Outer housing（8）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820328895.5U CN208010920U (en) | 2018-03-12 | 2018-03-12 | A kind of pressure relief device of vacuum deep cooling container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820328895.5U CN208010920U (en) | 2018-03-12 | 2018-03-12 | A kind of pressure relief device of vacuum deep cooling container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010920U true CN208010920U (en) | 2018-10-26 |
Family
ID=63887442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820328895.5U Active CN208010920U (en) | 2018-03-12 | 2018-03-12 | A kind of pressure relief device of vacuum deep cooling container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266529A (en) * | 2018-03-12 | 2018-07-10 | 鞍山华信重工机械有限公司 | A kind of pressure relief device of vacuum deep cooling container |
-
2018
- 2018-03-12 CN CN201820328895.5U patent/CN208010920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266529A (en) * | 2018-03-12 | 2018-07-10 | 鞍山华信重工机械有限公司 | A kind of pressure relief device of vacuum deep cooling container |
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