CN201858517U - Low-temperature liquid oxygen container with interlayer inner connecting pipes connected via corrugated pipes - Google Patents
Low-temperature liquid oxygen container with interlayer inner connecting pipes connected via corrugated pipes Download PDFInfo
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- CN201858517U CN201858517U CN2010206180984U CN201020618098U CN201858517U CN 201858517 U CN201858517 U CN 201858517U CN 2010206180984 U CN2010206180984 U CN 2010206180984U CN 201020618098 U CN201020618098 U CN 201020618098U CN 201858517 U CN201858517 U CN 201858517U
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- pipe
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- inner connecting
- bellows
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Abstract
The utility model relates to a low-temperature liquid oxygen container with interlayer inner connecting pipes connected via corrugated pipes. The low-temperature liquid oxygen container comprises a shell, an inner container, a heat insulation layer and a support, interlayer inner connecting pipe mechanisms which are used for connecting the shell with the inner container are respectively arranged in an operating port, a thermometer port and a liquid outlet on the container, each interlayer inner connecting pipe mechanism comprises an upper end pipe, a lower end pipe, a lining pipe and an corrugated pipe, the corrugated pipe is sleeved on the lining pipe, the upper end of the lining pipe is fixedly connected with the inner middle portion of the upper end pipe, the lower end of the lining pipe is located in the lower end pipe, annular connecting discs are respectively arranged at corresponding ends of the upper end pipe and the lower end pipe, and the connecting disc of the upper end pipe is connected with the connecting disc of the lower end pipe via more than four connecting screw stems which are distributed uniformly. The technology of adopting the corrugated pipes to absorb temperature difference deformation is applied in the field of domestic low-temperature liquid oxygen containers at the first time, and the corrugated pipes are high in designed pressure, low in work temperature, multiple in layers and wave numbers and high in required displacement, thereby greatly improving pressure level of low-temperature pipelines of the low-temperature liquid oxygen containers, and meeting requirements of designed strength.
Description
Technical field
The utility model belongs to deep cooling pressure vessel technology field, is specifically related to a kind of low temperature liquid oxygen container.
Background technique
The low temperature liquid oxygen container belongs to the deep cooling pressurized container, and its inner bag design temperature is-196
oC, design pressure generally is no more than 1.6Mpa.The low temperature liquid oxygen container is formed by stainless steel inner container and High Strength Low Alloy Steel shell assembly welding, and the lacing wire structure is adopted in being connected of inner bag and shell, and interlayer adopts the expanded perlite vacuum insulation, does not have in the interlayer to take over to connect.
Along with the continuous development of China's space technology, the design pressure of low temperature liquid oxygen container inner bag is more and more higher.At present, domestic extreme design pressure reaches 6.3Mpa.The project organization of low temperature liquid oxygen container also becomes increasingly complex.Do not have adapter in the original structure interlayer and connect, existing project organization requires to increase adapter and connects.Because the design pressure of inner bag is than higher, the interlayer inner connecting tube adopts seamless steel pipe can't satisfy the requirement of design strength.
Summary of the invention
Increase the designing requirement problem that connects of taking over, the low temperature liquid oxygen container that the utility model provides a kind of interlayer inner connecting tube to adopt bellows to connect in the interlayer in order to solve.
Concrete structural design scheme is as follows:
The low temperature liquid oxygen container that the interlayer inner connecting tube adopts bellows to connect comprises shell and inner bag, is provided with heat insulation layer between shell and the inner bag, and the bottom of shell is provided with bearing; Described container top is provided with the operation mouth, and top one side is provided with the thermometer mouth, and the bottom is provided with liquid port, is provided with liquid inlet pipe in the operation mouth.In the described operation mouth, be respectively equipped with the interlayer inner connecting tube mechanism that is connected shell and inner bag in the thermometer mouth with in the liquid port, described interlayer inner connecting tube mechanism comprises upper pipes, lower end pipe, internal lining pipe and bellows; Described bellows is set on the internal lining pipe; The upper end of internal lining pipe fixedly connected middle part in the upper pipes, the lower end is positioned at the lower end pipe; Upper pipes is managed the land that corresponding end is respectively equipped with ring-type with the lower end, is connected by the uniform connecting screw rod more than four between the land of the land of upper pipes and lower end pipe.
The upper pipes upper end of the interlayer inner connecting tube mechanism at described operation mouth place is being welded to connect shell, and its pipe lower end, lower end is being welded to connect inner bag, and described liquid inlet pipe is positioned at the internal lining pipe of interlayer inner connecting tube mechanism, and the liquid inlet pipe lower end mouth extends in the inner bag.
The upper pipes upper end of the interlayer inner connecting tube mechanism at described thermometer mouth place is being welded to connect shell, and its pipe lower end, lower end is being welded to connect inner bag.
The upper pipes upper end of the interlayer inner connecting tube mechanism at described liquid port place is being welded to connect inner bag, and its pipe lower end, lower end is being welded to connect shell.
The bellows of the interlayer inner connecting tube mechanism at described operation mouth place is the bellows with nine ripples by 4 layers of stainless steel plate integral compression moulding of 3 millimeters thick.
The bellows of the interlayer inner connecting tube mechanism at described thermometer mouth place and liquid port place is the bellows with seven ripples by 3 layers of stainless steel plate integral compression moulding of 2 millimeters thick.
The utility model has the advantage of following aspect compared with prior art:
1, interlayer inner connecting tube of the present utility model adopts bellows to connect, utilizing bellows to absorb temperature deformation is first Application on the low temperature liquid oxygen container at home, can improve the stress level of low temperature liquid oxygen container cryogenic piping greatly like this, so that satisfy the requirement of design strength.
2, bellows design pressure height of the present utility model, operating temperature is low, and the number of plies is many, wave number is many, requires displacement amount big, adopts whole shaped by fluid pressure new process, manufacturing technology is filled up the manufacturing gap of domestic many ripples of multilayer bellows, and quality of product and manufacturing process belong to leading domestic level.
3, bellows is owing to adopt whole shaped by fluid pressure new process, and product has only a longitudinal weld, does not have circumferential welded seam, has reduced manufacture cost, energy saving, and improved quality of product and fatigue life, and beautiful shape.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the partial enlarged drawing of the interlayer inner connecting tube mechanism at operation mouth and thermometer mouth place.
Fig. 3 is the partial enlarged drawing of liquid port place interlayer inner connecting tube mechanism.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
Embodiment:
Referring to Fig. 1, the low temperature liquid oxygen container that the interlayer inner connecting tube adopts bellows to connect comprises shell 2 and inner bag 3, is provided with heat insulation layer 4 between shell 2 and the inner bag 3, and the bottom of shell 2 is provided with bearing 1.This container top is provided with operation mouth 6, and top one side is provided with thermometer mouth 5, and the bottom is provided with liquid port 7, and liquid inlet pipe 20 is installed in the operation mouth.In the operation mouth, be separately installed with the interlayer inner connecting tube mechanism that is connected shell and inner bag in the thermometer mouth with in the liquid port.
Referring to Fig. 2, the interlayer inner connecting tube mechanism at operation mouth place and thermometer mouth place comprises upper pipes 8, lower end pipe 13, internal lining pipe 12 and bellows 9; Bellows 9 is set on the internal lining pipe 12; The upper end of internal lining pipe 12 fixedly connected middle part in the upper pipes 8, the lower end is positioned at lower end pipe 13; Upper pipes 8 is managed the land that 13 corresponding ends are respectively equipped with ring-type with the lower end, is connected by six uniform connecting screw rods 10 between the land of the land of upper pipes 8 and lower end pipe 13.
The upper pipes upper end of the interlayer inner connecting tube mechanism at thermometer mouth place is being welded to connect shell, and its pipe lower end, lower end is being welded to connect inner bag.The bellows at thermometer mouth place is the bellows with seven ripples by 3 layers of stainless steel plate integral compression moulding of 2 millimeters thick.
Referring to Fig. 3, the interlayer inner connecting tube mechanism at liquid port place comprises discharge opeing upper pipes 14, discharge opeing lower end pipe 19, discharge opeing internal lining pipe 18 and discharge opeing bellows 15; Discharge opeing bellows 15 is set on the discharge opeing internal lining pipe 18; The upper end of discharge opeing internal lining pipe 18 fixedly connected middle part in the discharge opeing upper pipes 14, the lower end is positioned at discharge opeing lower end pipe 19; Discharge opeing upper pipes 14 is managed the land that 19 corresponding ends are respectively equipped with ring-type with the discharge opeing lower end, is connected by six uniform discharge opeing connecting screw rods 16 between the land of the land of discharge opeing upper pipes 14 and discharge opeing lower end pipe 19.
Discharge opeing upper pipes 14 upper ends of the interlayer inner connecting tube mechanism at liquid port place are being welded to connect inner bag 3, and the discharge opeing lower end is managed 19 lower ends and is being welded to connect shell 2.The discharge opeing bellows 15 at liquid port place is the bellows with seven ripples by 3 layers of stainless steel plate integral compression moulding of 2 millimeters thick.
Claims (3)
1. the interlayer inner connecting tube adopts the low temperature liquid oxygen container that bellows connects, and comprises shell and inner bag, is provided with heat insulation layer between shell and the inner bag, and the bottom of shell is provided with bearing; Described container top is provided with the operation mouth, and top one side is provided with the thermometer mouth, and the bottom is provided with liquid port, is provided with liquid inlet pipe in the operation mouth; It is characterized in that: in the described operation mouth, be respectively equipped with the interlayer inner connecting tube mechanism that is connected shell and inner bag in the thermometer mouth with in the liquid port, described interlayer inner connecting tube mechanism comprises upper pipes, lower end pipe, internal lining pipe and bellows; Described bellows is set on the internal lining pipe; The upper end of internal lining pipe fixedly connected middle part in the upper pipes, the lower end is positioned at the lower end pipe; Upper pipes is managed the land that corresponding end is respectively equipped with ring-type with the lower end, is connected by the uniform connecting screw rod more than four between the land of the land of upper pipes and lower end pipe;
The upper pipes upper end of the interlayer inner connecting tube mechanism at described operation mouth place is being welded to connect shell, and its pipe lower end, lower end is being welded to connect inner bag, and described liquid inlet pipe is positioned at the internal lining pipe of interlayer inner connecting tube mechanism, and the liquid inlet pipe lower end mouth extends in the inner bag;
The upper pipes upper end of the interlayer inner connecting tube mechanism at described thermometer mouth place is being welded to connect shell, and its pipe lower end, lower end is being welded to connect inner bag;
The upper pipes upper end of the interlayer inner connecting tube mechanism at described liquid port place is being welded to connect inner bag, and its pipe lower end, lower end is being welded to connect shell.
2. the low temperature liquid oxygen container that interlayer inner connecting tube according to claim 1 adopts bellows to connect is characterized in that: the bellows of the interlayer inner connecting tube mechanism at described operation mouth place is the bellows with nine ripples by 4 layers of stainless steel plate integral compression moulding of 3 millimeters thick.
3. the low temperature liquid oxygen container that interlayer inner connecting tube according to claim 1 adopts bellows to connect is characterized in that: the bellows of the interlayer inner connecting tube mechanism at described thermometer mouth place and liquid port place is the bellows with seven ripples by 3 layers of stainless steel plate integral compression moulding of 2 millimeters thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206180984U CN201858517U (en) | 2010-11-23 | 2010-11-23 | Low-temperature liquid oxygen container with interlayer inner connecting pipes connected via corrugated pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206180984U CN201858517U (en) | 2010-11-23 | 2010-11-23 | Low-temperature liquid oxygen container with interlayer inner connecting pipes connected via corrugated pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201858517U true CN201858517U (en) | 2011-06-08 |
Family
ID=44104323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206180984U Expired - Fee Related CN201858517U (en) | 2010-11-23 | 2010-11-23 | Low-temperature liquid oxygen container with interlayer inner connecting pipes connected via corrugated pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201858517U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705696A (en) * | 2012-05-29 | 2012-10-03 | 张家港市科华化工装备制造有限公司 | Interlayer-type low-temperature storage tank |
| CN104235600A (en) * | 2014-09-26 | 2014-12-24 | 江苏深绿新能源科技有限公司 | Low-temperature thermal-isolation gas cylinder |
| CN106287198A (en) * | 2016-09-21 | 2017-01-04 | 中国运载火箭技术研究院 | A kind of spring-compensating attachment means adapting to low-temperature (low temperature) vessel deformation |
| CN109210366A (en) * | 2018-11-09 | 2019-01-15 | 广东电网有限责任公司 | A kind of inner sidewall structure and vertical low temperature container of vertical low temperature container |
| CN109827065A (en) * | 2019-03-04 | 2019-05-31 | 张家港市科华化工装备制造有限公司 | Cryogenic liquid storage tank |
-
2010
- 2010-11-23 CN CN2010206180984U patent/CN201858517U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705696A (en) * | 2012-05-29 | 2012-10-03 | 张家港市科华化工装备制造有限公司 | Interlayer-type low-temperature storage tank |
| CN104235600A (en) * | 2014-09-26 | 2014-12-24 | 江苏深绿新能源科技有限公司 | Low-temperature thermal-isolation gas cylinder |
| CN106287198A (en) * | 2016-09-21 | 2017-01-04 | 中国运载火箭技术研究院 | A kind of spring-compensating attachment means adapting to low-temperature (low temperature) vessel deformation |
| CN106287198B (en) * | 2016-09-21 | 2019-01-25 | 中国运载火箭技术研究院 | A kind of spring-compensating attachment device adapting to low-temperature (low temperature) vessel deformation |
| CN109210366A (en) * | 2018-11-09 | 2019-01-15 | 广东电网有限责任公司 | A kind of inner sidewall structure and vertical low temperature container of vertical low temperature container |
| CN109827065A (en) * | 2019-03-04 | 2019-05-31 | 张家港市科华化工装备制造有限公司 | Cryogenic liquid storage tank |
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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 |
Granted publication date: 20110608 Termination date: 20171123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |