CN202452100U - Full-vacuum low-temperature pump pool - Google Patents
Full-vacuum low-temperature pump pool Download PDFInfo
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- CN202452100U CN202452100U CN2011204937053U CN201120493705U CN202452100U CN 202452100 U CN202452100 U CN 202452100U CN 2011204937053 U CN2011204937053 U CN 2011204937053U CN 201120493705 U CN201120493705 U CN 201120493705U CN 202452100 U CN202452100 U CN 202452100U
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- vacuum
- pond
- pump pool
- liquid inlet
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Abstract
The utility model discloses a full-vacuum low-temperature pump pool and relates to a low-temperature pressure storage device. The full-vacuum low-temperature pump pool comprises a liquid outlet pipe and a pump pool body provided with a liquid inlet device, wherein a pump pool cover is arranged at the top of the pump pool body, and the liquid outlet pipe penetrates through the pump pool cover and extends towards the interior of the pump pool body. A heat insulation layer is respectively arranged on the liquid inlet device, the pump pool body and the liquid outlet pipe, a vacuum interlayer cover plate connected with the pump pool cover is arranged below the pump pool cover, the liquid outlet pipe sequentially penetrates through the pump pool cover and the vacuum interlayer cover plate, and a vacuumizing interlayer structure is formed among the pump pool cover, the vacuum interlayer cover plate and the liquid outlet pipe. The full-vacuum low-temperature pump pool can reduce evaporation loss of liquefied gases, has good heat insulation effect and heat preservation effect, is not apt to cause cold leakage when storing liquefied gases, and is high in work efficiency.
Description
Technical field
The utility model relates to a kind of Low-temperature pressure storage device, relates in particular to a kind of vacuum cryopump pond.
Background technique
The main component of LNG Liquefied natural gas is a methane, and it is the energy the cleanest on the earth by generally acknowledging.Compare with rock gas, LNG Liquefied natural gas has advantages such as flexible, the safe and reliable and cold energy use space of transportation is big.Along with the development of society, LNG Liquefied natural gas has been widely used in a plurality of fields such as chemical industry, automotive fuel, generating, fuel cell.
At present, domestic LNG Liquefied natural gas filling station adopts cryopump pond storing liquefied rock gas mostly.Referring to shown in Figure 1, existing cryopump pond generally comprises the pump pond body 10a that is provided with pump pond lid 30a, and pump pond body 10a is provided with liquid inlet pipe 50a and drain pipe 20a, and lid 30a below, pump pond is provided with thermal insulation layer 40a; Be equipped with heat insulation layer 70a on pump pond body 10a, liquid inlet pipe 50a and the drain pipe 20a.There is following shortcoming in this cryopump pond when the storing liquefied rock gas:
1. thermal insulation layer 40a adopts the polyethylene thermal insulating material to process; Because the narrow limitation of its manufacturing process and installation; Extraneous heat can be delivered to pump pond body 10a inside through thermal insulation layer 40a, and therefore, liquid gas cognition causes its saturation pressure to rise because of being heated; Increase the evaporation loss of liquid gas, reduced the working efficiency of cryopump.
Since cryogenic gas and liquid all to get into pump pond body 10a through liquid inlet pipe 50a inner, so cryogenic gas do not have to completely cut off with cryogenic liquide and comes, cryogenic gas and cryogenic liquide are mixed into the working efficiency decline that pump pond body 10a can cause the pump pond.
3. heat insulation layer 70a adopts the polyethylene thermal insulating material to process, and the insulation effect of its material and heat insulation effect are all relatively poor, and liquid gas the cold draining phenomenon can occur when storage.
In sum, not only evaporation loss is bigger in existing cryopump pond, and insulation effect and heat insulation effect are all relatively poor, the cold draining phenomenon can occur during storing liquefied gas, and working efficiency is lower.
The model utility content
To the defective that exists in the existing technology, the purpose of the utility model is to provide a kind of vacuum cryopump pond.It can reduce the evaporation loss of liquid gas, not only has insulation effect and heat insulation effect preferably, and is difficult to occur the cold draining phenomenon during storing liquefied gas, and working efficiency is higher.
For reaching above purpose; The technological scheme that the utility model is taked is: a kind of vacuum cryopump pond, comprise drain pipe and the pump pond body that feeding device is installed, and body top, said pump pond is provided with pump Chi Gai; Said drain pipe runs through pump Chi Gai, and to the inner extension of pump pond body; Said feeding device, pump pond body and drain pipe are equipped with heat insulation layer, and lid below, said pump pond is provided with connected vacuum sandwich cover plate, and said drain pipe runs through pump Chi Gai and vacuum sandwich cover plate successively; Form between said pump Chi Gai, vacuum sandwich cover plate and the drain pipe and vacuumize sandwich structure.
On the basis of technique scheme, the cross section of said vacuum sandwich cover plate is " Qian " shape structure, and it comprises diapire and the sidewall of being located at the diapire edge, and said sidewall is connected with pump Chi Gai, and said drain pipe runs through diapire.
On the basis of technique scheme, said feeding device comprises gas phase liquid inlet pipe and liquid phase liquid inlet pipe, and said gas phase liquid inlet pipe all is connected with pump pond body with the liquid phase liquid inlet pipe; Said gas phase liquid inlet pipe and liquid phase liquid inlet pipe are equipped with heat insulation layer.
On the basis of technique scheme, the interlayer of said gas phase liquid inlet pipe, liquid phase liquid inlet pipe, pump pond body and drain pipe is and vacuumizes structure.
On the basis of technique scheme, said heat insulation layer is formed by the composite insulation material multi-lay winding.
On the basis of technique scheme, said heat insulation layer is formed by fiberglass aluminum foil paper multi-lay winding, and it is 30 layers～50 layers that the number of plies is twined in its design.
On the basis of technique scheme, said heat insulation layer is entwined by 40 layers of fiberglass aluminum foil paper.
On the basis of technique scheme, the design thickness that said heat insulation layer is every layer is 0.4mm.
On the basis of technique scheme, said drain pipe bottom is provided with the low temperature oil hydraulic pump, and said low temperature oil hydraulic pump is connected through flange with drain pipe.
The beneficial effect of the utility model is:
1. form between the utility model pump Chi Gai, vacuum sandwich cover plate and the drain pipe and vacuumize sandwich structure, effectively prevented the heat exchange between the lid of liquid gas and pump pond, have insulation effect and heat insulation effect preferably; Extraneous heat is difficult to be delivered to body inside, pump pond through pump Chi Gai, has reduced the evaporation loss of liquid gas in the body of pump pond, has improved the working efficiency in pump pond.
2. the utility model feeding device comprises gas phase liquid inlet pipe and liquid phase liquid inlet pipe; Cryogenic gas and cryogenic liquide enter in the body of pump pond through gas phase liquid inlet pipe and liquid phase liquid inlet pipe respectively; Compare with the liquid inlet pipe in the background technique; Cryogenic gas and cryogenic liquide have obtained isolation during the utility model feed liquor, and working efficiency is higher.
3. the utility model heat insulation layer is formed by the composite insulation material multi-lay winding, has insulation effect and heat insulation effect preferably, and the utility model is difficult to occur the cold draining phenomenon under the protection of heat insulation layer.
4. the interlayer of the utility model gas phase liquid inlet pipe, liquid phase liquid inlet pipe, pump pond body and drain pipe is and vacuumizes structure, has effectively prevented the heat exchange between the liquid gas and the external world, has reduced the energy loss of liquid gas, has improved working efficiency.
Description of drawings
Fig. 1 is the structural representation in the cryopump pond described in the utility model background technique;
Fig. 2 is the utility model embodiment's an overall structure schematic representation;
Fig. 3 is the utility model embodiment's a partial structurtes schematic representation.
Among the figure: 10a-pump pond body, 20a-drain pipe, 30a-pump Chi Gai, 40a-thermal insulation layer, 50a-liquid inlet pipe, 70a-heat insulation layer.
10-pump pond body, 11-pump pond inner barrel, 12-pump pond outer cylinder body, 20-drain pipe, pipe in the 21-fluid; 22-fluid outer tube, 30-pump Chi Gai, 40-vacuum sandwich cover plate, 41-diapire, 42-sidewall; Pipe in the 50-gas phase liquid inlet pipe, 51-gas phase, 52-gas phase outer tube, 60-liquid phase liquid inlet pipe; Pipe in the 61-liquid phase, 62-liquid phase outer tube, 70-heat insulation layer, 80-low temperature oil hydraulic pump.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further explain.
Referring to shown in Figure 2, the vacuum cryopump pond among the utility model embodiment comprises pump pond body 10 and drain pipe 20.Pump pond body 10 sidepieces are equipped with feeding device, and feeding device comprises gas phase liquid inlet pipe 50 and liquid phase liquid inlet pipe 60, and gas phase liquid inlet pipe 50 all is installed on pump pond body 10 sidewalls with liquid phase liquid inlet pipe 60.Body 10 tops, pump pond are provided with pump pond lid 30, and the pump pond is covered 30 belows and is provided with sky interlayer cover plate 40, and said drain pipe 20 runs through pump pond lid 30 and vacuum sandwich cover plate 40 successively, and extend to pump pond body 10 internal direction.Form between said pump pond lid 30, vacuum sandwich cover plate 40 and the drain pipe 20 and vacuumize sandwich structure.Drain pipe 20 bottoms are provided with low temperature oil hydraulic pump 80, and are stable for what guarantee that drain pipe 20 is connected with low temperature oil hydraulic pump 80, and drain pipe 20 and low temperature oil hydraulic pump 80 are connected through flange.
Vacuum sandwich cover plate 40 comprises circular diapire 41, and diapire 41 edges are provided with annular sidewall 42.Referring to shown in Figure 3, the cross section of vacuum sandwich cover plate 40 is " Qian " shape structure, its sidewall 42 and 30 welding of pump pond lid, and drain pipe 20 runs through pump pond lid 30 and diapire 41 successively.Form between drain pipe 20, pump pond lid 30, diapire 41 and the sidewall 42 and vacuumize sandwich structure.
Referring to shown in Figure 2, drain pipe 20 comprises pipe 21 and fluid outer tube 22 in the fluid, and the interlayer in the fluid between pipe 21 and the fluid outer tube 22 vacuumizes.Pipe 21 runs through pump pond lid 30 and vacuum sandwich cover plate 40 successively with fluid outer tube 22 in the fluid, fluid outer tube 22 and 30 welding of pump pond lid, and pipe 21 bottoms and low temperature oil hydraulic pump 80 are connected through flange in the fluid.Pump pond body 10 comprises pump pond inner barrel 11 and pump pond outer cylinder body 12, and the interlayer between pump pond inner barrel 11 and the pump pond outer cylinder body 12 vacuumizes, and pump pond outer cylinder body 12 and pump pond are covered 30 and be connected through bolt.Gas phase liquid inlet pipe 50 comprises pipe 51 and gas phase outer tube 52 in the gas phase, and the interlayer in the gas phase between pipe 51 and the gas phase outer tube 52 vacuumizes; Gas phase outer tube 52 is installed on pump pond outer cylinder body 12 sidewalls, and pipe 51 is installed on pump pond inner barrel 11 sidewalls in the gas phase, and runs through pump pond outer cylinder body 12 sidewalls.Liquid phase liquid inlet pipe 60 comprises pipe 61 and liquid phase outer tube 62 in the liquid phase, and the interlayer in the liquid phase between pipe 61 and the liquid phase outer tube 62 vacuumizes; Liquid phase outer tube 62 is installed on pump pond outer cylinder body 12 sidewalls, and pipe 61 is installed on pump pond inner barrel 11 sidewalls in the liquid phase, and runs through pump pond outer cylinder body 12 sidewalls.
Manage the heat insulation layer 70 that 61 outer walls, fluid interior pipe 21 outer walls and pump pond inner barrel 11 outer walls are equipped with multi-lay winding in the gas phase in pipe 51 outer walls, the liquid phase, heat insulation layer 70 is formed by the composite insulation material multi-lay winding.Heat insulation layer 70 in the present embodiment is entwined by 40 layers of fiberglass aluminum foil paper, and in order when guaranteeing thermal insulation, to save material, the design thickness of every layer of fiberglass aluminum foil paper is 0.4mm.In practical application, in order to satisfy user's different demands, it is 30 layers～50 layers that the number of plies is twined in the design of heat insulation layer 70.
The utility model not only is confined to above-mentioned preferred forms; Anyone can draw other various forms of products under the enlightenment of the utility model; No matter but on its shape or structure, do any variation; Every have identical with a utility model or akin technological scheme, all within its protection domain.
Claims (9)
1. vacuum cryopump pond comprises drain pipe (20) and the pump pond body (10) of feeding device is installed that said pump pond body (10) top is provided with pump Chi Gai (30), and said drain pipe (20) runs through pump Chi Gai (30), and extends to pump pond body (10) is inner; Said feeding device, pump pond body (10) and drain pipe (20) are equipped with heat insulation layer (70); It is characterized in that: said pump Chi Gai (30) below is provided with connected vacuum sandwich cover plate (40), and said drain pipe (20) runs through pump Chi Gai (30) and vacuum sandwich cover plate (40) successively; Form between said pump Chi Gai (30), vacuum sandwich cover plate (40) and the drain pipe (20) and vacuumize sandwich structure.
2. vacuum cryopump as claimed in claim 1 pond; It is characterized in that: the cross section of said vacuum sandwich cover plate (40) is " Qian " shape structure; It comprises diapire (41) and is located at the sidewall (42) at diapire (41) edge; Said sidewall (41) is connected with pump Chi Gai (30), and said drain pipe (20) runs through diapire (41).
3. vacuum cryopump as claimed in claim 1 pond is characterized in that: said feeding device comprises gas phase liquid inlet pipe (50) and liquid phase liquid inlet pipe (60), and said gas phase liquid inlet pipe (50) all is connected with pump pond body (10) with liquid phase liquid inlet pipe (60); Said gas phase liquid inlet pipe (50) and liquid phase liquid inlet pipe (60) are equipped with heat insulation layer (70).
4. vacuum cryopump as claimed in claim 3 pond is characterized in that: the interlayer of said gas phase liquid inlet pipe (50), liquid phase liquid inlet pipe (60), pump pond body (10) and drain pipe (20) is and vacuumizes structure.
5. vacuum cryopump as claimed in claim 3 pond is characterized in that: said heat insulation layer (70) is formed by the composite insulation material multi-lay winding.
6. vacuum cryopump as claimed in claim 5 pond is characterized in that: said heat insulation layer (70) is formed by fiberglass aluminum foil paper multi-lay winding, and it is 30 layers～50 layers that the number of plies is twined in its design.
7. vacuum cryopump as claimed in claim 6 pond is characterized in that: said heat insulation layer (70) is entwined by 40 layers of fiberglass aluminum foil paper.
8. vacuum cryopump as claimed in claim 7 pond is characterized in that: the design thickness that said heat insulation layer (70) is every layer is 0.4mm.
9. vacuum cryopump as claimed in claim 1 pond is characterized in that: said drain pipe (20) bottom is provided with low temperature oil hydraulic pump (80), and said low temperature oil hydraulic pump (80) is connected through flange with drain pipe (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204937053U CN202452100U (en) | 2011-12-02 | 2011-12-02 | Full-vacuum low-temperature pump pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204937053U CN202452100U (en) | 2011-12-02 | 2011-12-02 | Full-vacuum low-temperature pump pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202452100U true CN202452100U (en) | 2012-09-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204937053U Expired - Fee Related CN202452100U (en) | 2011-12-02 | 2011-12-02 | Full-vacuum low-temperature pump pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202452100U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927435A (en) * | 2012-10-28 | 2013-02-13 | 黄旭 | Isolation system of vacuum jacket of booster pump and submerged pump in container |
| 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 |
| CN110107807A (en) * | 2019-04-11 | 2019-08-09 | 安瑞科(蚌埠)压缩机有限公司 | Cryogenic pump sump |
| CN115478959A (en) * | 2021-06-15 | 2022-12-16 | 南通中集能源装备有限公司 | Liquid fuel conveying mechanism and ship |
-
2011
- 2011-12-02 CN CN2011204937053U patent/CN202452100U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927435A (en) * | 2012-10-28 | 2013-02-13 | 黄旭 | Isolation system of vacuum jacket of booster pump and submerged pump in container |
| CN102927435B (en) * | 2012-10-28 | 2015-01-07 | 黄旭 | Isolation system of vacuum jacket of booster pump and submerged pump in container |
| 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 |
| CN110107807A (en) * | 2019-04-11 | 2019-08-09 | 安瑞科(蚌埠)压缩机有限公司 | Cryogenic pump sump |
| CN115478959A (en) * | 2021-06-15 | 2022-12-16 | 南通中集能源装备有限公司 | Liquid fuel conveying mechanism and ship |
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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: 20120926 Termination date: 20171202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |