CN204629076U - A kind of LNG immersed pump pump sump - Google Patents
A kind of LNG immersed pump pump sump Download PDFInfo
- Publication number
- CN204629076U CN204629076U CN201520045640.4U CN201520045640U CN204629076U CN 204629076 U CN204629076 U CN 204629076U CN 201520045640 U CN201520045640 U CN 201520045640U CN 204629076 U CN204629076 U CN 204629076U
- Authority
- CN
- China
- Prior art keywords
- pump sump
- pump
- sump
- top cover
- inner core
- 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.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000005086 pumping Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000003949 liquefied natural gas Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 7
- 238000010926 purge Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of LNG immersed pump pump sump, comprise pump sump urceolus and be provided with outer tube side wall, pump sump inner core is provided with inner core sidewall, be located at the vacuum sandwich between pump sump urceolus and pump sump inner core, vacuum pumping port is provided with above one outer tube side wall, described vacuum pumping port is communicated with vacuum sandwich, pump sump liquid entering hole is provided with below another outer tube side wall, described pump sump liquid entering hole is through vacuum sandwich, and be connected with inner core sidewall, outer tube side wall is provided with pump sump gas returning port in the top of pump sump liquid entering hole, described pump sump gas returning port is through vacuum sandwich, and be connected with inner core sidewall, pump sump urceolus upper end is provided with pump sump flange, and the pump sump top cover to coordinate with pump sump flange, immersed pump is located in pump sump inner core, described immersed pump is provided with opening upward, opening covers thermal baffle, pump sump liquid outlet is provided with outside pump sump top cover, described pump sump liquid outlet runs through pump sump top cover and pump sump flange, and be connected with thermal baffle.By covering thermal baffle on immersed pump opening, reducing the exchange heat inside and outside pump sump, decreasing the possibility that the medium in pump sump is vaporized, thus reach the object preventing the frosting of pump sump top cover.
Description
Technical field
The utility model relates to immersed pump pump sump technical field, refers to a kind of LNG immersed pump pump sump especially, is applicable to LNG gas station.
Background technique
In recent years, for the response Ministry of Science and Technology applies the call of clean fuel automobile, gas-fueled vehicles obtain fast development in a lot of city of China, mainly based on compressed natural gas (CNG) automobile, and most urban taxi shorter for single aerating distance travelled and bus.Abroad, LNG Liquefied natural gas (LNG) automobile is little with its pollution, Safety performance is high, remarkable in economical benefits and be applicable to the advantages such as large-scale long-distance vehicle and widelyd popularize.In LNG gas station, immersed pump pump sump guarantees the visual plant of the conveying of LNG in liquid condition.
There is following shortcoming in immersed pump pump sump domestic at present: the in use easy frosting of pump sump top cover and pump sump does not have relief opening, is unfavorable for the exhaust in pump sump.
Therefore, be necessary to provide a kind of new LNG immersed pump pump sump, to solve the problems of the technologies described above.
Model utility content
For Problems existing in background technique, the utility model object is to provide a kind of LNG immersed pump pump sump, overcomes the problem that the easy frosting of pump sump top cover and pump sump do not have relief opening.
The technical solution of the utility model is achieved in that a kind of LNG immersed pump pump sump, comprise pump sump urceolus and be provided with outer tube side wall, pump sump inner core is provided with inner core sidewall, be located at the vacuum sandwich between pump sump urceolus and pump sump inner core, vacuum pumping port is provided with above one outer tube side wall, described vacuum pumping port is communicated with vacuum sandwich, pump sump liquid entering hole is provided with below another outer tube side wall, described pump sump liquid entering hole is through vacuum sandwich, and be connected with inner core sidewall, outer tube side wall is provided with pump sump gas returning port in the top of pump sump liquid entering hole, described pump sump gas returning port is through vacuum sandwich, and be connected with inner core sidewall, pump sump urceolus upper end is provided with pump sump flange, and the pump sump top cover to coordinate with pump sump flange, immersed pump is located in pump sump inner core, described immersed pump is provided with opening upward, opening covers thermal baffle, pump sump liquid outlet is provided with outside pump sump top cover, described pump sump liquid outlet runs through pump sump top cover and pump sump flange, and be connected with thermal baffle.
As preferably, the sealing of described pump sump flange and pump sump top cover adopts the seal ring with energy-storaging spring.
As preferably, described pump sump top cover is provided with evacuation port, and described evacuation port runs through pump sump top cover and pump sump flange, and is connected with thermal baffle.
As preferably, described pump sump top cover is provided with relief opening, and described relief opening runs through pump sump top cover and pump sump flange, and is connected with thermal baffle.
As preferably, described pump sump top cover is provided with temperature transducer outward further, and described temperature transducer runs through pump sump top cover and pump sump flange, and is connected with thermal baffle.
The utility model is compared with prior art: the utility model by covering thermal baffle on the immersed pump opening towards pump sump flange and pump sump top cover, reduce the exchange heat inside and outside pump sump, decrease the possibility that the medium in pump sump is vaporized, thus reach the beneficial effect preventing the frosting of pump sump top cover; And be provided with evacuation port and relief opening in pump sump top cover, be conducive to the purging exhaust in pump sump.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model LNG immersed pump pump sump.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of LNG immersed pump pump sump described in the utility model, comprise pump sump urceolus 13, described pump sump urceolus 13 comprises two outer tube side walls 131 and a urceolus diapire 132 encloses and forms, its upper end 133 is opened wide, pump sump inner core 4 is provided with in described pump sump urceolus 13, described pump sump inner core 4 is the same with described pump sump urceolus 13, and comprise two inner core sidewalls 41 and an inner core diapire 42 and enclose and form, its upper end 43 is opened wide and is open in same level with described pump sump urceolus 13 upper end 133.
Two outer tube side walls 131 and the urceolus diapire 132 of described pump sump urceolus 13 and be provided with vacuum sandwich 3 between two inner core sidewalls 41 and inner core diapire 42, vacuum pumping port 12 is provided with above one outer tube side wall 131 of described pump sump urceolus 13, described vacuum pumping port 12 is communicated with vacuum sandwich 3, liquid inlet pipe 15 is provided with below another outer tube side wall 131 of described pump sump urceolus 13, described liquid inlet pipe 15 is through described vacuum sandwich 3, and be connected with the inner core sidewall 41 of described pump sump inner core 4, pump sump liquid entering hole 2 is connected on described liquid inlet pipe 15, outer tube side wall 131 is provided with muffler 16 in the top of described liquid inlet pipe 15, described muffler 16 is through described vacuum sandwich 3, and be connected with the inner core sidewall 41 of described pump sump inner core 4, pump sump gas returning port 1 is connected on described muffler 16.
The pump sump top cover 18 that upper end 133 and the upper end 43 of described pump sump inner core 4 of pump sump urceolus 13 are provided with pump sump flange 17 and coordinate with described pump sump flange 17, described pump sump flange 17 adopts the seal ring 5 with energy-storaging spring with the sealing of pump sump top cover 18, and the sealing of the upper lower flange made is more simple, reliable.
Immersed pump 14 is located in described pump sump inner core 4, be provided with opening upward, opening cover thermal baffle 11, reduce the exchange heat inside and outside immersed pump pump sump by thermal baffle 11, reduce the possibility that the medium in pump sump is vaporized, thus avoid the frosting of described pump sump top cover 18.
Be provided with pump sump liquid outlet 10 outside described pump sump top cover 18, described pump sump liquid outlet 10 is connected on drain pipe 19, and described drain pipe 19 runs through described pump sump top cover 18 and pump sump flange 17, and is connected with described thermal baffle 11.Temperature transducer 6 runs through described pump sump top cover 18 and pump sump flange 17 equally, and is connected with thermal baffle 11.Meanwhile, further, described pump sump top cover 18 is provided with evacuation port 7 and relief opening 9, and described evacuation port 7 and relief opening 9 all run through described pump sump top cover 18 and pump sump flange 17, and are connected with thermal baffle 11.Described evacuation port 7 can enter purge gas, then discharges purge gas by described relief opening 9, and then can cause the purging of pump sump.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a LNG immersed pump pump sump, it is characterized in that: comprise pump sump urceolus and be provided with outer tube side wall, pump sump inner core is provided with inner core sidewall, be located at the vacuum sandwich between pump sump urceolus and pump sump inner core, vacuum pumping port is provided with above one outer tube side wall, described vacuum pumping port is communicated with vacuum sandwich, pump sump liquid entering hole is provided with below another outer tube side wall, described pump sump liquid entering hole is through vacuum sandwich, and be connected with inner core sidewall, outer tube side wall is provided with pump sump gas returning port in the top of pump sump liquid entering hole, described pump sump gas returning port is through vacuum sandwich, and be connected with inner core sidewall, pump sump urceolus upper end is provided with pump sump flange, and the pump sump top cover to coordinate with pump sump flange, immersed pump is located in pump sump inner core, described immersed pump is provided with opening upward, opening covers thermal baffle, pump sump liquid outlet is provided with outside pump sump top cover, described pump sump liquid outlet runs through pump sump top cover and pump sump flange, and be connected with thermal baffle.
2. a kind of LNG immersed pump pump sump according to claim 1, is characterized in that: the sealing of described pump sump flange and pump sump top cover adopts the seal ring with energy-storaging spring.
3. a kind of LNG immersed pump pump sump according to claim 1, it is characterized in that: described pump sump top cover is provided with evacuation port, described evacuation port runs through pump sump top cover and pump sump flange, and is connected with thermal baffle.
4. a kind of LNG immersed pump pump sump according to claim 1, it is characterized in that: described pump sump top cover is provided with relief opening, described relief opening runs through pump sump top cover and pump sump flange, and is connected with thermal baffle.
5. a kind of LNG immersed pump pump sump according to claim 1, it is characterized in that: described pump sump top cover is provided with temperature transducer outward further, described temperature transducer runs through pump sump top cover and pump sump flange, and is connected with thermal baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045640.4U CN204629076U (en) | 2015-01-22 | 2015-01-22 | A kind of LNG immersed pump pump sump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045640.4U CN204629076U (en) | 2015-01-22 | 2015-01-22 | A kind of LNG immersed pump pump sump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204629076U true CN204629076U (en) | 2015-09-09 |
Family
ID=54048104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520045640.4U Expired - Fee Related CN204629076U (en) | 2015-01-22 | 2015-01-22 | A kind of LNG immersed pump pump sump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204629076U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289318A (en) * | 2016-04-05 | 2017-10-24 | 张家港中集圣达因低温装备有限公司 | Cryogenic tank |
| EP4390126A4 (en) * | 2021-08-17 | 2025-11-19 | Ebara Corp | FLUSHING DEVICE AND FLUSHING PROCEDURE |
-
2015
- 2015-01-22 CN CN201520045640.4U patent/CN204629076U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289318A (en) * | 2016-04-05 | 2017-10-24 | 张家港中集圣达因低温装备有限公司 | Cryogenic tank |
| EP4390126A4 (en) * | 2021-08-17 | 2025-11-19 | Ebara Corp | FLUSHING DEVICE AND FLUSHING PROCEDURE |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103711720A (en) | Full-vacuum horizontal liquefied natural gas (LNG) submerged pump pool | |
| CN203641589U (en) | Combined-type energy-saving water-sealed valve | |
| CN204629076U (en) | A kind of LNG immersed pump pump sump | |
| CN202442096U (en) | Liquid nitrogen storage tank | |
| CN207262033U (en) | A kind of LNG tank installs decrease temperature and pressure device | |
| CN206449404U (en) | A kind of natural gas recycling system | |
| CN211502311U (en) | LNG cryogenic pump pond | |
| CN204623141U (en) | A kind of Double-layer bus tank pressure balanced structure | |
| CN202732091U (en) | Radiator with expansion water tank | |
| CN203469681U (en) | Waste gas recovery device | |
| CN205602084U (en) | Luxurious yacht drainage under water system of discharging fume | |
| CN207522218U (en) | A kind of new energy car battery tray process tool cooling device | |
| CN201386584Y (en) | Noise damping, purifying and exhausting device for motor vehicles | |
| CN204113421U (en) | Novel automobile exhaust pipe | |
| CN204572295U (en) | A kind of discharger of gas engine internal leakage combustion gas | |
| CN203796601U (en) | Full vacuum horizontal LNG immersed pump sump | |
| CN204900947U (en) | Y type water sealed tank | |
| CN203404607U (en) | Multifunctional valve box | |
| CN203081614U (en) | Gas supply device of liquified natural gas automobile | |
| CN201865769U (en) | Excessive pump oil protection system for fuel engine | |
| CN215413266U (en) | Environment-friendly anti-seepage glass fiber reinforced plastic tower | |
| CN206346846U (en) | Marine diesel oil and liquefied natural gas dual fuel engine supply conveying gas rail | |
| CN222882230U (en) | Detection device for leakage in single pump | |
| CN205822346U (en) | Multiple tank integrated-type water work | |
| CN203202614U (en) | Energy-saving LNG packaging gas filling device |
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: 20150909 |