CN202789486U - Full-vacuum pump pool - Google Patents

Full-vacuum pump pool Download PDF

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Publication number
CN202789486U
CN202789486U CN 201220423468 CN201220423468U CN202789486U CN 202789486 U CN202789486 U CN 202789486U CN 201220423468 CN201220423468 CN 201220423468 CN 201220423468 U CN201220423468 U CN 201220423468U CN 202789486 U CN202789486 U CN 202789486U
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CN
China
Prior art keywords
vacuum
flange plate
flange
pump
blue
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.)
Withdrawn - After Issue
Application number
CN 201220423468
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Chinese (zh)
Inventor
刘占方
张增营
陈伟
丁栋洋
周聪
官彦召
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING TIANHAI INDUSTRY Co Ltd
Original Assignee
BEIJING TIANHAI INDUSTRY Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by BEIJING TIANHAI INDUSTRY Co Ltd filed Critical BEIJING TIANHAI INDUSTRY Co Ltd
Priority to CN 201220423468 priority Critical patent/CN202789486U/en
Application granted granted Critical
Publication of CN202789486U publication Critical patent/CN202789486U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model relates to the technical field of machinery, in particular to a full-vacuum pump pool. The 'full-vacuum' key technology is adopted. A flange plate of a liquid outlet vacuum male flange and a flange plate of a liquid outlet vacuum female flange are fixedly connected; the flange plate of the liquid outlet vacuum female flange and a flange plate of a vacuum big flange upper cover are fixedly connected; the flange plate of the vacuum big flange upper cover and a flange plate at the upper end of a pump pool vacuum pot body are fixedly connected; the pump pool vacuum pot body is fixedly connected with an air return opening vacuum female flange and a liquid inlet vacuum female flange; a flange plate of the air return opening vacuum female flange and a flange plate of an air return opening vacuum male flange are fixedly connected; a flange plate of the liquid inlet vacuum female flange and a flange plate of a liquid inlet vacuum male flange are fixedly connected; the pump pool vacuum pot body and a pump pool pot body vacuum sealing section are fixedly connected; the vacuum big flange upper cover and a big flange upper cover vacuum sealing section are fixedly connected; and a connecting pipe at the lower end of the liquid outlet vacuum female flange and a water outlet pipe of a low-temperature immersed pump are fixedly connected. The full-vacuum pump pool is used for conveying liquefied natural gas, and is high in vacuum heat-insulating property, safe and reliable.

Description

Vacuum pump pond
Technical field
The utility model vacuum pump pond relates to field of mechanical technique; Be particularly related to the dynamic container field of mechanical technique of companion under certain pressure; Be specifically related to vacuum pump pool technology field.
Background technique
So-called pump pond, that the low temperature immersed pump is installed in device in the pump pond tank body of filling LNG Liquefied natural gas, because pump pond tank body just looks like to be that LNG Liquefied natural gas has equally been filled in a pond, jointly be referred to as the pump pond in order to the pump pond tank body of low temperature immersed pump will be installed; The pump pond is the title of an image, is again unified that use, special use, major name in the industry.The predominant use in pump pond is: input LNG Liquefied natural gas on the automobile of various use LNG Liquefied natural gas, the LNG Liquefied natural gas of loading in the tank car be input in the gas station of LNG Liquefied natural gas, from mother station LNG Liquefied natural gas be input to (in order to shunting to the substation from mother station) the tank car ... Deng, be the power source of liquefied natural gas station.Present pump pond, exist simple in structure and be short of scientific and reasonable, need to carry out insulation to pump pond tank body and process, exist certain potential safety hazard, vacuum insulation poor-performing, not enough, the defective such as elegant in appearance not and drawback.Based on inventor's professional knowledge and working experience and to the unremitting pursue of cause, on conscientiously and fully investigation, understanding, analysis, summary, the existing known technology of research and present situation basis, take " vacuum " key technology, succeeded in developing the utility model; Deficiency, defective and drawback that existing known technology and present situation exist have been solved.
The model utility content
The utility model is taked " vacuum " key technology, the flange plate of the flange plate of its liquid outlet vacuum public law orchid and liquid outlet vacuum mother law orchid, the flange plate of liquid outlet vacuum mother law orchid and the flange plate of the large flange loam cake of vacuum, the flange plate of the flange plate of the large flange loam cake of vacuum and pump pond vacuum tank upper end, pump pond vacuum tank and gas returning port vacuum mother law orchid and liquid entering hole vacuum mother law are blue, the flange plate of the flange plate of gas returning port vacuum mother law orchid and gas returning port vacuum public law orchid, the flange plate of the flange plate of liquid entering hole vacuum mother law orchid and liquid entering hole vacuum public law orchid, pump pond vacuum tank and pump pond tank body vacuum seal joint, the large flange loam cake of vacuum and large flange loam cake vacuum seal joint, the connecting tube of the blue lower end of liquid outlet vacuum mother law all is fixedly connected with the drain pipe of low temperature immersed pump.
1., take " vacuum " key technology the purpose that reaches by the utility model is:, provide the new product in " vacuum pump pond ".2., make unique practical, the design science of design of the present utility model rationally, simple and ingenious structure, effect stability is reliable, overall appearance is generous.3., make vacuum insulation performance of the present utility model good.4., make of the present utility model safe and reliablely, stop potential safety hazard.5., solve deficiency, defective and the drawback of existing known technology and present situation.6., make the utility model low, convenient wide popularization and application of using and be beneficial to of being convenient to be made.
For achieving the above object, the technological scheme that provides of the utility model is:
A kind of vacuum pump pond, blue by liquid outlet vacuum public law orchid, liquid outlet vacuum mother law orchid, the large flange loam cake of vacuum, pump pond vacuum tank, gas returning port vacuum mother law, gas returning port vacuum public law is blue, liquid entering hole vacuum mother law is blue, liquid entering hole vacuum public law is blue, pump pond tank body vacuum seal joint, large flange loam cake vacuum seal joint, low temperature immersed pump consist of;
Described vacuum pump pond, the flange plate of the flange plate of its liquid outlet vacuum public law orchid and liquid outlet vacuum mother law orchid, the flange plate of liquid outlet vacuum mother law orchid and the flange plate of the large flange loam cake of vacuum, the flange plate of the flange plate of the large flange loam cake of vacuum and pump pond vacuum tank upper end, pump pond vacuum tank and gas returning port vacuum mother law orchid and liquid entering hole vacuum mother law are blue, the flange plate of the flange plate of gas returning port vacuum mother law orchid and gas returning port vacuum public law orchid, the flange plate of the flange plate of liquid entering hole vacuum mother law orchid and liquid entering hole vacuum public law orchid, pump pond vacuum tank and pump pond tank body vacuum seal joint, the large flange loam cake of vacuum and large flange loam cake vacuum seal joint, the connecting tube of the blue lower end of liquid outlet vacuum mother law all is fixedly connected with the drain pipe of low temperature immersed pump.
Described vacuum pump pond, described liquid outlet vacuum public law is blue, the large flange loam cake of vacuum, gas returning port vacuum mother law is blue, gas returning port vacuum public law is blue, liquid entering hole vacuum mother law is blue, the end that liquid entering hole vacuum public law orchid is vacuum tube is provided with the structure of flange plate, described liquid outlet vacuum mother law orchid is provided with the structure that the flange plate lower end is provided with connecting tube for the upper end of vacuum tube, described pump pond vacuum tank is the structure that the upper end of vacuum tank is provided with flange plate, the shutoff that described pump pond tank body vacuum seal joint vacuumizes for pump pond tank body, the shutoff that described large flange loam cake vacuum seal joint vacuumizes for large flange loam cake, described low temperature immersed pump is liquor pump.
Described vacuum pump pond is between the flange plate of the flange plate of described liquid outlet vacuum public law orchid and liquid outlet vacuum mother law orchid, between the flange plate of the flange plate of liquid outlet vacuum mother law orchid and the large flange loam cake of vacuum, between the flange plate of the flange plate of the large flange loam cake of vacuum and pump pond vacuum tank upper end, between the flange plate of the flange plate of gas returning port vacuum mother law orchid and gas returning port vacuum public law orchid, all be placed with packing ring between the flange plate of the flange plate of liquid entering hole vacuum mother law orchid and liquid entering hole vacuum public law orchid.
Because the technological scheme that has adopted the utility model to provide; Owing to adopted " vacuum " key technology; Because the flange plate of its liquid outlet vacuum public law orchid of the utility model and the flange plate of liquid outlet vacuum mother law orchid, the flange plate of liquid outlet vacuum mother law orchid and the flange plate of the large flange loam cake of vacuum, the flange plate of the flange plate of the large flange loam cake of vacuum and pump pond vacuum tank upper end, pump pond vacuum tank and gas returning port vacuum mother law orchid and liquid entering hole vacuum mother law are blue, the flange plate of the flange plate of gas returning port vacuum mother law orchid and gas returning port vacuum public law orchid, the flange plate of the flange plate of liquid entering hole vacuum mother law orchid and liquid entering hole vacuum public law orchid, pump pond vacuum tank and pump pond tank body vacuum seal joint, the large flange loam cake of vacuum and large flange loam cake vacuum seal joint, the connecting tube of the blue lower end of liquid outlet vacuum mother law all is fixedly connected with the drain pipe of low temperature immersed pump.So that the utility model is compared with existing known technology and present situation, the beneficial effect of acquisition is:
1, the utility model is being taked on " vacuum " key technology basis, and the new product in " vacuum pump pond " is provided.
2, unique practical, the design science of design of the present utility model rationally, simple and ingenious structure, effect stability is reliable, overall appearance is generous.
3, vacuum insulation performance of the present utility model is good.
What 4, the utility model arranged is safe and reliable, has stopped potential safety hazard.
5, the utility model has solved deficiency, defective and the drawback of existing known technology and present situation.
6, Security of the present utility model shows:
1., the utility model vacuum pump pond, reduced gas discharging, thereby so that the return-air amount reduces in a large number, discharging reduces, the pump pit level can be more stable, thereby the Security of whole system is promoted greatly, guaranteed the Security of whole system.
2., the utility model vacuum pump pond, its liquid level can be as existing known technology and present situation, cause liquid level to descend because large flange continues to leak heat, thereby has guaranteed the operation stability of pump, has effectively eliminated potential safety hazard.
7, practicability of the present utility model shows:
1., the low temperature field most important is exactly adiabatic, cold insulation.The vacuum flange is given and breakthrough technically, has realized first the vacuum heat-preserving difficult problem of the large flange in pump pond, makes the operation of low temperature immersed pump more stable.
2., the utility model vacuum pump pond adopts vacuum design fully, all is that vacuum flange connects, pattern not only attractive in appearance and also safely, need not the second time of foaming insulation.
8, Economy of the present utility model shows:
1., the heat that produces of the pump housing itself is only limited to its motion itself, the leakage heat of pump pond upper flange can reduce in a large number, so that the BOG that pump itself produces when operation reduces in a large number, thereby has reduced gas discharging.
2., the pump housing in the utility model vacuum pump pond is in the termination of pumping situation, inner LNG liquid evaporation speed can reduce greatly, so that the speed that liquid level descends reduces greatly, has increased the time span of twice precooling of the pump housing, thereby increased the standby time of the pump housing, reduced the precooling number of times of the pump housing.
3., the utility model vacuum pump pond can promote the usability of the pump housing to a certain extent, because the resistance of pump pond return-air has reduced.The needed static pressure head of the pump housing itself also can suitably reduce, and the pump housing can be extracted a part of liquid out again more from storage tank in easy motion, promoted the Economy of tank body.
9, simple and ingenious structure of the present utility model and to be convenient to fabricating cost low, easy to use and effect stability is reliable has significantly improved the technical merit of the industry, is conducive to wide popularization and application.
Description of drawings
Fig. 1 is that the master of the utility model embodiment looks schematic representation.For the ease of to understanding of the present utility model, specially represent with the state that decomposes.
Fig. 2 is the schematic side view of the utility model embodiment.For the ease of to understanding of the present utility model, specially represent with the state that decomposes.
Fig. 3 is the schematic perspective view of the utility model embodiment.For the ease of to understanding of the present utility model, specially represent with the state that decomposes.
Label among the figure: 1, liquid outlet vacuum public law is blue, 2, liquid outlet vacuum mother law is blue, 3, the large flange loam cake of vacuum, 4, pump pond vacuum tank, 5, gas returning port vacuum mother law is blue, 6, gas returning port vacuum public law is blue, 7, liquid entering hole vacuum mother law is blue, and 8, liquid entering hole vacuum public law is blue, 9, pump pond tank body vacuum seal joint, 10, large flange loam cake vacuum seal joint, 11, the low temperature immersed pump.
Embodiment
Below in conjunction with Figure of description, the utility model is described in detail.Shown in Figure of description 1,2,3:
A kind of vacuum pump pond is made of liquid outlet vacuum public law orchid 1, liquid outlet vacuum mother law orchid 2, the large flange loam cake 3 of vacuum, pump pond vacuum tank 4, gas returning port vacuum mother law orchid 5, gas returning port vacuum public law orchid 6, liquid entering hole vacuum mother law orchid 7, liquid entering hole vacuum public law orchid 8, pump pond tank body vacuum seal joint 9, large flange loam cake vacuum seal joint 10, low temperature immersed pump 11;
Described vacuum pump pond, the flange plate of the flange plate of its liquid outlet vacuum public law orchid 1 and liquid outlet vacuum mother law orchid 2, the flange plate of liquid outlet vacuum mother law orchid 2 and the flange plate of the large flange loam cake 3 of vacuum, the flange plate of the flange plate of the large flange loam cake 3 of vacuum and vacuum tank 4 upper ends, pump pond, pump pond vacuum tank 4 and gas returning port vacuum mother law blue 5 and liquid entering hole vacuum mother law orchid 7, the flange plate of the flange plate of gas returning port vacuum mother law orchid 5 and gas returning port vacuum public law orchid 6, the flange plate of the flange plate of liquid entering hole vacuum mother law orchid 7 and liquid entering hole vacuum public law orchid 8, pump pond vacuum tank 4 and pump pond tank body vacuum seal joint 9, the large flange loam cake 3 of vacuum and large flange loam cake vacuum seal joint 10, the connecting tube of blue 2 lower ends of liquid outlet vacuum mother law all is fixedly connected with the drain pipe of low temperature immersed pump 11.
Described vacuum pump pond, described liquid outlet vacuum public law orchid 1, the large flange loam cake 3 of vacuum, gas returning port vacuum mother law orchid 5, gas returning port vacuum public law orchid 6, liquid entering hole vacuum mother law orchid 7, the end that liquid entering hole vacuum public law orchid 8 is vacuum tube is provided with the structure of flange plate, described liquid outlet vacuum mother law orchid 2 is provided with the structure that the flange plate lower end is provided with connecting tube for the upper end of vacuum tube, described pump pond vacuum tank 4 is provided with the structure of flange plate for the upper end of vacuum tank, tank body vacuum seal joint 9 shutoff that vacuumize for pump pond tank body of described pump pond, 10 shutoff that vacuumize for large flange loam cake of described large flange loam cake vacuum seal joint, described low temperature immersed pump 11 is liquor pump.
Described vacuum pump pond is between the flange plate of the flange plate of described liquid outlet vacuum public law orchid 1 and liquid outlet vacuum mother law orchid 2, between the flange plate of the flange plate of liquid outlet vacuum mother law orchid 2 and the large flange loam cake 3 of vacuum, between the flange plate of the flange plate of the large flange loam cake 3 of vacuum and vacuum tank 4 upper ends, pump pond, between the flange plate of the flange plate of gas returning port vacuum mother law orchid 5 and gas returning port vacuum public law orchid 6, all be placed with packing ring between the flange plate of the flange plate of liquid entering hole vacuum mother law orchid 7 and liquid entering hole vacuum public law orchid 8.
The above is preferred embodiment of the present utility model only, is not the utility model is done any pro forma restriction; The those of ordinary skill of all industry all can smooth and easyly be implemented, but in the equivalent variations that does not break away from technical solutions of the utility model and make differentiation, is equivalent embodiment of the present utility model, all still belongs to the technical solution of the utility model.

Claims (3)

1. a vacuum pump pond is characterized in that: be made of liquid outlet vacuum public law blue (1), liquid outlet vacuum mother law blue (2), the large flange loam cake of vacuum (3), pump pond vacuum tank (4), gas returning port vacuum mother law blue (5), gas returning port vacuum public law blue (6), liquid entering hole vacuum mother law blue (7), liquid entering hole vacuum public law blue (8), pump pond tank body vacuum seal joint (9), large flange loam cake vacuum seal joint (10), low temperature immersed pump (11);
Described vacuum pump pond, the flange plate of the flange plate of its liquid outlet vacuum public law blue (1) and liquid outlet vacuum mother law blue (2), the flange plate of liquid outlet vacuum mother law blue (2) and the flange plate of the large flange loam cake of vacuum (3), the flange plate of the flange plate of the large flange loam cake of vacuum (3) and pump pond vacuum tank (4) upper end, pump pond vacuum tank (4) and gas returning port vacuum mother law blue (5) and liquid entering hole vacuum mother law blue (7), the flange plate of the flange plate of gas returning port vacuum mother law blue (5) and gas returning port vacuum public law blue (6), the flange plate of the flange plate of liquid entering hole vacuum mother law blue (7) and liquid entering hole vacuum public law blue (8), pump pond vacuum tank (4) and pump pond tank body vacuum seal joint (9), the large flange loam cake of vacuum (3) and large flange loam cake vacuum seal joint (10), the connecting tube of blue (2) lower end of liquid outlet vacuum mother law all is fixedly connected with the drain pipe of low temperature immersed pump (11).
2. vacuum pump according to claim 1 pond, it is characterized in that: described liquid outlet vacuum public law blue (1), the large flange loam cake of vacuum (3), gas returning port vacuum mother law blue (5), gas returning port vacuum public law blue (6), liquid entering hole vacuum mother law blue (7), the end that liquid entering hole vacuum public law blue (8) is vacuum tube is provided with the structure of flange plate, described liquid outlet vacuum mother law blue (2) is provided with the structure that the flange plate lower end is provided with connecting tube for the upper end of vacuum tube, described pump pond vacuum tank (4) is provided with the structure of flange plate for the upper end of vacuum tank, the shutoff that described pump pond tank body vacuum seal joint (9) vacuumizes for pump pond tank body, the shutoff that described large flange loam cake vacuum seal joint (10) vacuumizes for large flange loam cake, described low temperature immersed pump (11) is liquor pump.
3. vacuum pump according to claim 1 pond is characterized in that: between the flange plate of described liquid outlet vacuum public law blue (1) and the flange plate of liquid outlet vacuum mother law orchid (2), between the flange plate of liquid outlet vacuum mother law blue (2) and the flange plate of the large flange loam cake of vacuum (3), between the flange plate of the flange plate of the large flange loam cake of vacuum (3) and pump pond vacuum tank (4) upper end, between the flange plate of the flange plate of gas returning port vacuum mother law blue (5) and gas returning port vacuum public law blue (6), all be placed with packing ring between the flange plate of the flange plate of liquid entering hole vacuum mother law blue (7) and liquid entering hole vacuum public law blue (8).
CN 201220423468 2012-08-24 2012-08-24 Full-vacuum pump pool Withdrawn - After Issue CN202789486U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220423468 CN202789486U (en) 2012-08-24 2012-08-24 Full-vacuum pump pool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220423468 CN202789486U (en) 2012-08-24 2012-08-24 Full-vacuum pump pool

Publications (1)

Publication Number Publication Date
CN202789486U true CN202789486U (en) 2013-03-13

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ID=47816757

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220423468 Withdrawn - After Issue CN202789486U (en) 2012-08-24 2012-08-24 Full-vacuum pump pool

Country Status (1)

Country Link
CN (1) CN202789486U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102852758A (en) * 2012-08-24 2013-01-02 北京天海工业有限公司 Full-vacuum pump pool
CN104481869A (en) * 2014-10-16 2015-04-01 杰瑞天然气工程有限公司 LNG (Liquefied Natural Gas) gas station, cryogenic liquid pump sump and mounting method of cryogenic liquid pump sump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102852758A (en) * 2012-08-24 2013-01-02 北京天海工业有限公司 Full-vacuum pump pool
CN102852758B (en) * 2012-08-24 2015-05-20 北京天海工业有限公司 Full-vacuum pump pool
CN104481869A (en) * 2014-10-16 2015-04-01 杰瑞天然气工程有限公司 LNG (Liquefied Natural Gas) gas station, cryogenic liquid pump sump and mounting method of cryogenic liquid pump sump

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130313

Effective date of abandoning: 20150520

RGAV Abandon patent right to avoid regrant