CN203404050U - Heat insulation pump shell device for liquefied natural gas low temperature heat insulation gas cylinder - Google Patents
Heat insulation pump shell device for liquefied natural gas low temperature heat insulation gas cylinder Download PDFInfo
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- CN203404050U CN203404050U CN201320480530.1U CN201320480530U CN203404050U CN 203404050 U CN203404050 U CN 203404050U CN 201320480530 U CN201320480530 U CN 201320480530U CN 203404050 U CN203404050 U CN 203404050U
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- pump case
- flange
- natural gas
- pump shell
- liquefied natural
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Abstract
The utility model discloses a heat insulation pump shell device for a liquefied natural gas low temperature heat insulation gas cylinder. The heat insulation pump shell device comprises a pump shell outer flange, a pump shell reinforcing flange, a pump shell inner flange, a pump shell inner pipe and a pump shell outer pipe. One end of the pump shell inner pipe is inserted into the pump shell outer flange and fixedly connected with the pump shell outer flange. The other end of the pump shell inner pipe is inserted into the pump shell inner flange and fixedly connected with the pump shell inner flange. The pump shell inner flange is sleeved with one end of the pump shell outer pipe and fixedly connected with the end of the pump shell outer pipe. The other end of the pump shell outer pipe is inserted into the pump shell reinforcing flange and fixedly connected with the pump shell reinforcing flange. The space between the pump shell inner pipe and the pump shell outer pipe is filled with heat insulation materials. The heat insulation pump shell device plays a role in cold insulation of a low temperature immersed pump and reduces the heat leakage performance of the low temperature immersed pump.
Description
Technical field
The utility model relates to a kind of adiabatic pump case device, particularly relates to adiabatic pump case device for a kind of LNG Liquefied natural gas cryogenic insulated cylinder.
Background technique
Because Global Oil resource reduces the increasingly stringent with various countries' Abgasgesetz increasingly, and the continually developing of natural gas resource, natural gas engine has been subject to promotion and application widely in many countries.Rock gas main component is methane CH4, octane value is high, antiknock quality are good, its outstanding advantages is to have good low emission characteristic and low fuel consumption, can meet more and more stricter emission regulation demands, and natural gas resource is abundant, cheap, so it is a kind of large rising internal-combustion engine alternative fuel.Wherein, take rock gas as main fuel, a small amount of diesel oil is called duel fuel engine as the motor of pilot fuel work.In the development and application process of diesel/natural gas dual-fuel engine, one of key technology is the supply mode of fuel, and it affects power character, Economy, emission performance and the safety reliability of motor to a great extent.
In-cylinder fuel supply mode has two kinds of cylinder inner high voltage jet-type and low-pressure fuel injection formulas.Wherein low-pressure fuel injection plenum system is mainly used on the Spark ignition type gaseous propellant engine that compression ratio is low; High-pressure injection plenum system is mainly used on the gaseous propellant engine that compression ratio is high and compression terminal sprays, and for big-block engine and high speed engine, often adopts high-pressure injection to reach higher fuel feed and the shorter air feed time for spraying of continuity.Gas in the jar sprays has realized the matter adjusting that fuel is supplied with completely, does not occupy air charge share, for further improving motor properties, provides more favourable condition.
For using the traffic tool such as the Motor Vehicle of big-block engine and high speed engine and boats and ships, its LNG(Liquefied Natural Gas, LNG Liquefied natural gas) automobile-used container need to increase a cryopump, and the pressure of LNG is elevated to certain pressure, adopts the mode injection engine of high velocity jet.
According to the real needs of the traffic tool transformations such as China's Motor Vehicle and boats and ships, develop a kind of liquefied natural gas bottle with cryopump and relatively meet actual requirement.As for tank inside, can make overall structure compacter cryopump, reduce the demand of repacking operation to the space of Motor Vehicle.
In view of this using low temperature immersed pump is good selection, for preventing that the LNG in gas-liquid state of equilibrium from gasifying in pump, must keep LNG in pump to have identical temperature with LNG in storage tank, LNG pump, except needs adopt immersion type structure, also needs the cold insulation of taking measures.After pump shutdown, cold insulation is not good at now, and the LNG in pump is evaporation constantly, causes tank internal pressure to raise.In addition, the existing pump housing, in LNG liquid, greatly increases and leaks heat, the harmless snaggletooth time of reducing storage tank.
Model utility content
Technical problem to be solved in the utility model is to provide adiabatic pump case device for a kind of LNG Liquefied natural gas cryogenic insulated cylinder, and it plays the effect of cold insulation to low temperature immersed pump, and has reduced the leakage thermal characteristics of product.
The utility model solves above-mentioned technical problem by following technical proposals: adiabatic pump case device for a kind of LNG Liquefied natural gas cryogenic insulated cylinder, it comprises pump case outward flange, pump case reinforcing flange, pump case inner flange, pump case inner tube, pump case outer tube, one end of pump case inner tube is inserted in pump case outward flange and is fixedly connected with pump case outward flange, the other end of pump case inner tube inserts in pump case inner flange and is fixedly connected with pump case inner flange, one end of pump case outer tube is enclosed within outside pump case inner flange and is fixedly connected with pump case inner flange, the other end of pump case outer tube inserts in pump case reinforcing flange and is fixedly connected with pump case reinforcing flange, filling heat insulator between pump case inner tube and pump case outer tube.
The above-mentioned mode being fixedly connected with can be welding.
Above-mentioned thermoinsulation material can be glass fibre and aluminium foil.
Described LNG Liquefied natural gas cryogenic insulated cylinder can be used for the automotives such as Motor Vehicle, boats and ships with adiabatic pump case device, specifically can be used for automobile-use LNG Liquefied natural gas cryogenic insulated cylinder or boats and ships LNG Liquefied natural gas cryogenic insulated cylinder etc.
As optimal way, described LNG Liquefied natural gas cryogenic insulated cylinder can be used for LNG Liquefied natural gas horizontal and vertical or other forms of cryogenic insulated cylinder with adiabatic pump case device.
Positive progressive effect of the present utility model is: the utility model LNG Liquefied natural gas cryogenic insulated cylinder plays the effect of cold insulation with adiabatic pump case device to low temperature immersed pump.In addition, the utility model has reduced the leakage thermal characteristics of product, protects pump by ground, not asked that liquid damages simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of adiabatic pump case device for the utility model LNG Liquefied natural gas cryogenic insulated cylinder.
Fig. 2 is the assembled relation schematic diagram of adiabatic pump case device for the utility model LNG Liquefied natural gas cryogenic insulated cylinder.
Reference character:
1-pump case outward flange, 2-pump case reinforcing flange, 3-pump case inner flange, 4-pump case inner tube, 5-pump case outer tube, 6-thermoinsulation material, 7-gas cylinder shell, 8-cylinder liner.
Embodiment
Below in conjunction with accompanying drawing, provide the utility model preferred embodiment, to describe the technical solution of the utility model in detail.
As shown in Figure 1, the utility model LNG Liquefied natural gas cryogenic insulated cylinder comprises pump case outward flange 1 with adiabatic pump case device, pump case reinforcing flange 2, pump case inner flange 3, pump case inner tube 4, pump case outer tube 5, one end of pump case inner tube 4 is inserted in pump case outward flange 1 and is fixedly connected with pump case outward flange 1, the other end of pump case inner tube 4 inserts in pump case inner flange 3 and is fixedly connected with pump case inner flange 3, one end of pump case outer tube 5 is enclosed within outside pump case inner flange 3 and is fixedly connected with pump case inner flange 3, the other end of pump case outer tube 5 inserts in pump case reinforcing flange 2 and is fixedly connected with pump case reinforcing flange 2, filling heat insulator 6 between pump case inner tube 4 and pump case outer tube 5.
The above-mentioned mode being fixedly connected with can be welding, but is not limited to this.The utility model LNG Liquefied natural gas cryogenic insulated cylinder can be used for the motor vehicles such as Motor Vehicle, boats and ships with adiabatic pump case device, but is not limited to this.
As shown in Figure 2, the utility model LNG Liquefied natural gas cryogenic insulated cylinder mainly plays cold insulation effect with adiabatic pump case device to cryopump, can effectively support the low temperature pump housing, and increase the join strength of bottle inner bag 8 and bottle shell 7 simultaneously.Pump case and bottle inner bag 8, bottle shell 7 are sealedly and fixedly connected and have effectively extended the harmless dwell time of storage tank.
Those skilled in the art can carry out various remodeling and change to the utility model.Therefore, the utility model has covered various remodeling and the change in the scope that falls into appending claims and equivalent thereof.
Claims (7)
1. an adiabatic pump case device for LNG Liquefied natural gas cryogenic insulated cylinder, it is characterized in that, it comprises pump case outward flange, pump case reinforcing flange, pump case inner flange, pump case inner tube, pump case outer tube, one end of pump case inner tube is inserted in pump case outward flange and is fixedly connected with pump case outward flange, the other end of pump case inner tube inserts in pump case inner flange and is fixedly connected with pump case inner flange, one end of pump case outer tube is enclosed within outside pump case inner flange and is fixedly connected with pump case inner flange, the other end of pump case outer tube inserts in pump case reinforcing flange and is fixedly connected with pump case reinforcing flange, filling heat insulator between pump case inner tube and pump case outer tube.
2. adiabatic pump case device for LNG Liquefied natural gas cryogenic insulated cylinder according to claim 1, it is characterized by: it is characterized in that, it comprises pump case outward flange, pump case reinforcing flange, pump case inner flange, pump case inner tube, pump case outer tube, one end of pump case inner tube is inserted in pump case outward flange and is welded with pump case outward flange, the other end of pump case inner tube inserts in pump case inner flange and welds with pump case inner flange, one end of pump case outer tube is enclosed within outside pump case inner flange and welds with pump case inner flange, the other end of pump case outer tube inserts in pump case reinforcing flange and welds with pump case reinforcing flange, filling heat insulator between pump case inner tube and pump case outer tube.
3. adiabatic pump case device for LNG Liquefied natural gas cryogenic insulated cylinder according to claim 1 and 2, is characterized by: described LNG Liquefied natural gas cryogenic insulated cylinder is used for automobile-use LNG Liquefied natural gas cryogenic insulated cylinder or boats and ships LNG Liquefied natural gas cryogenic insulated cylinder with adiabatic pump case device.
4. according to adiabatic pump case device for the LNG Liquefied natural gas cryogenic insulated cylinder described in arbitrary claim in claim 1-2, it is characterized by: described in to fill thermoinsulation material be glass fibre and aluminium foil.
5. adiabatic pump case device for LNG Liquefied natural gas cryogenic insulated cylinder according to claim 3, is characterized by: described in to fill thermoinsulation material be glass fibre and aluminium foil.
6. according to adiabatic pump case device for the LNG Liquefied natural gas cryogenic insulated cylinder described in arbitrary claim in claim 1-2,5, it is characterized by: described LNG Liquefied natural gas cryogenic insulated cylinder is used for LNG Liquefied natural gas Horizontal low-temperature heat-insulating gas cylinder with adiabatic pump case device.
7. adiabatic pump case device for LNG Liquefied natural gas cryogenic insulated cylinder according to claim 4, is characterized by: described LNG Liquefied natural gas cryogenic insulated cylinder is used for LNG Liquefied natural gas Horizontal low-temperature heat-insulating gas cylinder with adiabatic pump case device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480530.1U CN203404050U (en) | 2013-08-07 | 2013-08-07 | Heat insulation pump shell device for liquefied natural gas low temperature heat insulation gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480530.1U CN203404050U (en) | 2013-08-07 | 2013-08-07 | Heat insulation pump shell device for liquefied natural gas low temperature heat insulation gas cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203404050U true CN203404050U (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320480530.1U Expired - Lifetime CN203404050U (en) | 2013-08-07 | 2013-08-07 | Heat insulation pump shell device for liquefied natural gas low temperature heat insulation gas cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203404050U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412735A (en) * | 2018-04-25 | 2018-08-17 | 张家港富瑞深冷科技有限公司 | A kind of adiabatic pump shell structure for low temperature immersed pump |
| CN108895301A (en) * | 2018-08-16 | 2018-11-27 | 北京明晖天海气体储运装备销售有限公司 | Automobile gas cylinder |
| CN108895304A (en) * | 2018-09-14 | 2018-11-27 | 北京明晖天海气体储运装备销售有限公司 | A kind of support construction of LNG tank |
-
2013
- 2013-08-07 CN CN201320480530.1U patent/CN203404050U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412735A (en) * | 2018-04-25 | 2018-08-17 | 张家港富瑞深冷科技有限公司 | A kind of adiabatic pump shell structure for low temperature immersed pump |
| CN108895301A (en) * | 2018-08-16 | 2018-11-27 | 北京明晖天海气体储运装备销售有限公司 | Automobile gas cylinder |
| CN108895304A (en) * | 2018-09-14 | 2018-11-27 | 北京明晖天海气体储运装备销售有限公司 | A kind of support construction of LNG tank |
| CN108895304B (en) * | 2018-09-14 | 2023-11-24 | 北京明晖天海气体储运装备销售有限公司 | Supporting structure of liquefied natural gas storage tank |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |
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| CX01 | Expiry of patent term |