CN203258371U - Process manhole structure for deep-refrigeration pressure container - Google Patents
Process manhole structure for deep-refrigeration pressure container Download PDFInfo
- Publication number
- CN203258371U CN203258371U CN2013202563717U CN201320256371U CN203258371U CN 203258371 U CN203258371 U CN 203258371U CN 2013202563717 U CN2013202563717 U CN 2013202563717U CN 201320256371 U CN201320256371 U CN 201320256371U CN 203258371 U CN203258371 U CN 203258371U
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- Prior art keywords
- end socket
- backing plate
- straight pipe
- manhole
- pipe portion
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- 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.)
- Expired - Fee Related
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- 238000000034 method Methods 0.000 title abstract description 8
- 238000005057 refrigeration Methods 0.000 title abstract 2
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims description 38
- 238000001816 cooling Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000001704 evaporation Methods 0.000 abstract description 6
- 230000008020 evaporation Effects 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000013475 authorization Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical group C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a process manhole structure for a deep-refrigeration pressure container. The process manhole structure is provided with a manhole sealing head and a cushion plate, wherein the manhole sealing head comprises a straight pipe part and a curved surface part which are integrally formed; the curved surface part seals one end of the straight pipe part; the straight pipe part is welded at an opened hole of the inner sealing head in a sealing manner; and the cushion plate is tightly attached at the peripheral edge of the inner side of the opened hole. The process manhole structure disclosed by the utility model has the advantages that the static evaporation rate of the pressure container is lower, the structure is simpler, the manufacturing period is shorter, the construction operation is more convenient, the weight is lighter, simultaneously raw and auxiliary materials are saved and the production efficiency is improved.
Description
Technical field
The utility model relates to the deep cooling pressurized container, the deep cooling craft filling hole for pressure container structure that especially a kind of relative evaporation is lower.
Background technique
At present, the deep cooling pressurized container all adopts the double-layered cylinder structure, comprises inner container and outer container, and wherein inner container is the most important parts of deep cooling container.Because the overwhelming majority that inner container stores is inflammable, explosive and harmful liquid gas, cryogenic liquide (such as liquid oxygen, liquid nitrogen, liquid argon, liquified natural gas, liquid carbon dioxide, liquid ethylene etc.), so in manufacture process, need inner container is carried out every check, with the turbidity test of assurance inner container inside and intensity and the compactness of inner container joint.Therefore in the last production phase of inner container, welding and the work of non-destructive inspection paster that need to finish cleaning, the inspection of inner container inside and close up at last seam need to arrange the technique manhole, finish above-mentioned work for workman's inner container of coming in and going out.
As shown in Figure 1, notice of authorization number discloses a kind of manhole structure 8 for the Chinese utility model patent that CN2867067Y, name are called craft filling hole for pressure container, its perforate on the interior end socket 9 on inner container top, then with manhole structure 8 hole is sealed, manhole structure 8 comprises manhole connecting pipe 81 and manhole end socket 82.First manhole connecting pipe 81 is inserted in the perforate of interior end socket 9, outside weld 98 is carried out seal welding, before closing up with inner barrel, the interior end socket 9 with manhole connecting pipe 81 in advance manhole end socket 82 is placed the inner container cavity, until the workman enters the inner container cavity and finishes above-mentioned work and climb out of from manhole connecting pipe 81 after, again the seam 83 that closes up of manhole connecting pipe 81 and manhole end socket 82 carried out seal welding, close up seam 83 and the outside weld 98 of seal welding needed to do completely the surface and detect.This existing structure more complicated, making and test stage are all more, and manufacturing efficiency is low; Exposed parts is more, and the relative evaporation of inner container is higher.
Another technique manhole structure, as shown in Figure 2, notice of authorization number discloses a kind of manhole structure for the Chinese utility model patent that CN201314454Y, name are called the seal arrangement of the manhole on the low temperature storage tank inner head, one flat board 6 is set in the perforate of interior end socket 9, a backing plate 7 is welded in the perforate inside edge of interior end socket 9, and dull and stereotyped 6 linings weld with the manhole edge on backing plate 7.But adopted the relatively poor slab construction of bearing capacity in this structure, in order to improve bearing capacity, must increase dull and stereotyped thickness, so cost of material and manufacture cost are also higher.
The model utility content
In view of above-mentioned reason, the purpose of this utility model is to provide the deep cooling craft filling hole for pressure container that a kind of relative evaporation is low, make efficiency is high structure.
Another purpose of the present utility model is to provide the better deep cooling craft filling hole for pressure container of a kind of stressing conditions structure.
The utility model provides a kind of deep cooling craft filling hole for pressure container structure, has manhole end socket and backing plate, and described manhole end socket comprises integrated straight pipe portion and curved face part, and described curved face part seals an end of described straight pipe portion; Described straight pipe portion seal welding is on described interior head opening hole wall; Described backing plate is close to described perforate inner peripheral edge.
The beneficial effects of the utility model are: the manhole structure only is comprised of a manhole end socket and a backing plate, compare with existing manhole, simple in structure, also reduced the leak source of inner container when reducing weld seam quantity, making and test stage have been reduced, improved manufacturing efficiency, constructing operation is more convenient, and relative evaporation is lower.
In a kind of mode of execution according to above-mentioned design, at described interior head opening hole wall place, described backing plate and described straight pipe portion are in the same place with described interior head opening hole wall seal welding.
Like this, at described interior head opening hole wall place, described backing plate and described straight pipe portion and described interior head opening hole wall combine hermetically, have improved adhesive strength and the sealing effect of described backing plate and described straight pipe portion.
In a kind of mode of execution according to above-mentioned design, the curved portion of described manhole end socket is in the described interior end socket outside; Described backing plate in the form of a ring, its internal diameter is less than the internal diameter of described straight pipe portion, external diameter is greater than described perforate aperture, the peripheral weld of described backing plate is connected to described interior head opening inner peripheral edge, the end face of described straight pipe portion is close to described backing plate.
Since during the welding of manhole end socket and interior end socket with backing plate, thereby can adopt welding by one side when manhole end socket and interior end socket seal welding, be conducive to improve welding quality, and the impurity that when welding produces can not enter in the inner container, keep the cleaning of inner container.
In a kind of mode of execution according to above-mentioned design, the curved portion of described manhole end socket is inboard in described interior end socket; Described backing plate in the form of a ring, its internal diameter is less than the perforate aperture of described interior end socket, but is slightly larger than the external diameter of described straight pipe portion, described backing plate external diameter is greater than described perforate aperture, the side of described straight pipe portion is welded on the described backing plate inner hole wall.
Since during the welding of manhole end socket and interior end socket with backing plate, thereby can adopt welding by one side when manhole end socket and interior end socket seal welding, be conducive to improve welding quality, and the impurity that when welding produces can not enter in the inner container, keep the cleaning of inner container.And the assembling mode of this concave makes people's aperture member still less take inside and outside vessel insulation space, also reduces simultaneously taking the inner container space as far as possible, guarantees that further relative evaporation is lower.
In two kinds of mode of executions according to above-mentioned design, described curved face part is the curve form that the cross section, axle center is the semiellipse shape, and described semiellipse major axis is 2:1 with the minor axis ratio.Thereby stressing conditions is better than existing manhole structure, and manufacturing efficiency is higher.
Description of drawings
Fig. 1 is prior art the first deep cooling craft filling hole for pressure container structural representation.
Fig. 2 is prior art the second deep cooling craft filling hole for pressure container structural representation.
Fig. 3 is the utility model embodiment one deep cooling craft filling hole for pressure container structure and scheme of installation thereof.
Fig. 4 is the utility model embodiment two deep cooling craft filling hole for pressure container structure and scheme of installation thereof.
Embodiment
The exemplary embodiments that embodies the utility model feature ﹠ benefits will be described in detail in the following description.Be understood that the utility model can have in different embodiments various variations, its neither disengaging scope of the present utility model, and explanation wherein and to be shown in be when the usefulness that explain in essence, but not in order to limit the utility model.
As shown in Figure 3, Figure 4, the utility model provides a kind of deep cooling craft filling hole for pressure container structure, can be installed in the round hole 11 of interior end socket 1.The manhole structure comprises backing plate 2 and manhole end socket 3.Manhole end socket 3 comprises: integrated straight pipe portion 31 and curved face part 32, curved face part 32 are sealed in an end of straight pipe portion 31.
Embodiment one
As shown in Figure 3, present embodiment welding rear curved surface section 32 is positioned at end socket 1 outside.The external diameter of circular straighttube section 31 is slightly less than the aperture of perforate 11, and like this, the open end of straight pipe portion 31 can be inserted in the perforate 11 of interior end socket 1.Backing plate 2 is circular, and its internal diameter is less than the internal diameter of straight pipe portion 31, and external diameter is greater than perforate 11 apertures, and is welded in advance on the interior end socket 1 perforate 11 inner peripheral edges with weld seam 12.Manhole end socket 3 need not to put into the inner container cavity before interior end socket 1 and inner barrel weld; Only need after interior end socket 1 and inner barrel weld, to put into end socket 1 perforate 11 from interior end socket 1 outside; Welding by one side be can adopt when manhole end socket 3 and interior end socket 1 seal welding, manhole end socket 3 and interior end socket 1 welded with outside weld 13; More preferably in the situation, weld seam 13 welds interior end socket 1, backing plate 2 and manhole end socket 3 threes further downwards.This embodiment is conducive to improve welding quality, shortens fabrication cycle, and constructing operation is more convenient, and the impurity that produces during welding can not enter in the inner container, has kept the cleaning of inner container.
Embodiment two
As shown in Figure 4, present embodiment welding rear curved surface section 32 is positioned at end socket 1 inboard, and the open end of its straight pipe portion 31 protrudes from interior end socket 1 outside.Backing plate 2 internal diameters are less than perforate 11 apertures, but are slightly larger than the external diameter of straight pipe portion 31, and backing plate 2 external diameters are greater than perforate 11 apertures.Manhole end socket 3 and backing plate 2 be firm welding in advance, be connected on the hole wall of backing plate 2 with the side of straight pipe portion 31, and the manhole end socket 3 that will be welded with in advance backing plate 2 is put into the inner container cavity before interior end socket 1 and inner barrel welding.After the inner container operation to be finished, the workman climbs out of from the perforate 11 of interior end socket 1, then carries out the welding of manhole end socket 3 and interior end socket 1, and annular backing plate 2 is positioned at the perforate 11 inner peripheral edges of end socket 1.Since during 1 welding of manhole end socket 3 and interior end socket with backing plate 2, thereby manhole end socket 3 can adopt welding by one side during with interior end socket 1 seal welding, preferably can manhole end socket 3, backing plate 2 all be welded with interior end socket 1 three with outside weld 13, thereby improved welding quality, shortened fabrication cycle, and the impurity that produces during welding can not enter in the inner container, has kept the cleaning of inner container.
As shown in Figure 3, Figure 4, in above-described embodiment, curved face part 32 preferably cross section, axle center is the curve form of semiellipse shape, and this semiellipse major axis and minor axis are than being 2:1.Thereby curved face part 32 stressing conditions are better, and people's aperture member is thinner, and weight is lighter, and manufacturing efficiency is higher.
Although described the utility model with reference to several exemplary embodiments, should be appreciated that used term is explanation and exemplary and nonrestrictive term.Because the utility model is implementation and do not break away from spirit or the essence of model utility in a variety of forms, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and should be in the spirit and scope that the claim of enclosing limits explain widely, therefore fall into whole variations in claim or its equivalent scope and remodeling and all should be the claim of enclosing and contain.
Claims (7)
1. a deep cooling craft filling hole for pressure container structure is characterized in that having manhole end socket and backing plate, and described manhole end socket comprises integrated straight pipe portion and curved face part, and described curved face part seals an end of described straight pipe portion;
Described straight pipe portion seal welding is on described interior head opening hole wall;
Described backing plate is close to described perforate inner peripheral edge.
2. deep cooling craft filling hole for pressure container structure as claimed in claim 1 is characterized in that, at described interior head opening hole wall place, described backing plate and described straight pipe portion are in the same place with described interior head opening hole wall seal welding.
3. deep cooling craft filling hole for pressure container structure as claimed in claim 2 is characterized in that, the curved portion of described manhole end socket is in the described interior end socket outside.
4. deep cooling craft filling hole for pressure container structure as claimed in claim 3, it is characterized in that, described backing plate in the form of a ring, its internal diameter is less than the internal diameter of described straight pipe portion, external diameter is greater than described perforate aperture, the peripheral weld of described backing plate is connected to described interior head opening inner peripheral edge, and described straight pipe portion end face is close to described backing plate.
5. deep cooling craft filling hole for pressure container structure as claimed in claim 2 is characterized in that, the curved portion of described manhole end socket is inboard in described interior end socket.
6. deep cooling craft filling hole for pressure container structure as claimed in claim 5, it is characterized in that, described backing plate in the form of a ring, its internal diameter is less than the perforate aperture of described interior end socket, but be slightly larger than the external diameter of described straight pipe portion, described backing plate external diameter is greater than described perforate aperture, and described straight pipe portion side is welded on the described backing plate inner hole wall.
7. such as each described deep cooling craft filling hole for pressure container structure of claim 1 to 6, it is characterized in that described curved face part is the curve form that the cross section, axle center is the semiellipse shape, described semiellipse major axis is 2:1 with the minor axis ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202563717U CN203258371U (en) | 2013-05-13 | 2013-05-13 | Process manhole structure for deep-refrigeration pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202563717U CN203258371U (en) | 2013-05-13 | 2013-05-13 | Process manhole structure for deep-refrigeration pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203258371U true CN203258371U (en) | 2013-10-30 |
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ID=49470934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202563717U Expired - Fee Related CN203258371U (en) | 2013-05-13 | 2013-05-13 | Process manhole structure for deep-refrigeration pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203258371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677554A (en) * | 2017-10-13 | 2018-02-09 | 中石化第四建设有限公司 | It is inside and outside to pull-type Nozzle Zone of Vessels pressure testing device |
-
2013
- 2013-05-13 CN CN2013202563717U patent/CN203258371U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677554A (en) * | 2017-10-13 | 2018-02-09 | 中石化第四建设有限公司 | It is inside and outside to pull-type Nozzle Zone of Vessels pressure testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20131030 Termination date: 20170513 |