CN205425565U - Cold volume recovery unit of LNG tank car - Google Patents
Cold volume recovery unit of LNG tank car Download PDFInfo
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- CN205425565U CN205425565U CN201520889095.7U CN201520889095U CN205425565U CN 205425565 U CN205425565 U CN 205425565U CN 201520889095 U CN201520889095 U CN 201520889095U CN 205425565 U CN205425565 U CN 205425565U
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Abstract
The utility model provides a cold volume recovery unit of LNG tank car, includes that LNG holding vessel, cold volume retrieve room and heat exchanger, be provided with the export of two LNG on the LNG holding vessel, the LNG export and the cold volume of LNG holding vessel are retrieved between the indoor coil pipe import through the pipe connection, and cold volume is retrieved indoor coil pipe export and is passed through the pipe connection with coil pipe in the heat exchanger between entering the mouth, cold volume is retrieved the room and is connected with cold -storage agent accumulator through a circulation pipeline, and cold volume outlet terminal is connected through the 2nd circulation pipeline to cold -storage agent accumulator, be connected with pressure recoverable module on the heat exchanger, pressure recoverable module is connected with refrigerating system, and coil pipe export in the heat exchanger is connected through the pipeline between the import on the room is retrieved to cold volume with setting up, and cold volume is retrieved and is passed through the pipe connection between the import of export and control valve on the room, the utility model discloses simple structure, convenient to use, the energy has been practiced thrift widely to the cold energy that can effective recycling LNG produces during the gasification, has improved the efficiency that cold volume was retrieved.
Description
Technical field
This utility model relates to cold recovery field, specifically a kind of LNG tank car cold energy reclamation device.
Background technology
Coal bed gas is previously stored in coal seam the hydrocarbon gas being free in coal hole with methane as main component, based on absorption in matrix of coal particle surface, part or being dissolved in coal seam water, it it is the associated minerals resource of coal, belong to Unconventional forage, be cleaning, high-grade energy and the industrial chemicals emerged in the world in nearly ten or twenty year.
Along with the fast development of Gas Industry, it is developed rapidly using liquified natural gas as motor vehicle fuel.LNG is obtained after deep cooling processing liquefaction by gaseous natural gas, and belonging to ultralow temperature load can liquid.It must be utilized after gasification in the form of a vapor, and owing to the temperature of LNG is-162 DEG C, it can produce substantial amounts of cold energy in gasification, if do not reclaimed it, will result in the biggest energy waste；It addition, reclaim cold energy only by heat exchanger, the organic efficiency of cold is relatively low, and recovering effect is bad.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, easy to use, it is possible to the cold energy produced during efficient recovery LNG gasification, saves the energy, and the LNG tank car cold energy reclamation device that organic efficiency is high, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
nullA kind of LNG tank car cold energy reclamation device，Including LNG storage tank、Cold recovery room and heat exchanger，Two LNG outlets it are provided with in described LNG storage tank，Connected by pipeline between one LNG outlet and the coil pipe import of cold recovery indoor of LNG storage tank，Connected by pipeline between coil inlet in the coil outlets of cold recovery indoor and heat exchanger，Described cold recovery room is connected by the first circulation line agent for storage of coldness bin，Agent for storage of coldness bin connects cold outlet terminal by the second circulation line，Connect on described heat exchanger and have pressure recovery module，Pressure recovery module connects refrigeration system，Coil outlets in heat exchanger is connected by pipeline with between the import being arranged on cold recovery room，Connected by pipeline between outlet and the import of control valve on cold recovery room，The outlet of control valve is connected with the coil pipe import of heater by pipeline，The coil outlets of heater is connected with the electromotor of gas car by pipeline，Water inlet and outlet are set on heater，Water inlet and outlet are connected with the cooling water system of electromotor by pipeline respectively，It is connected also by pipeline between another LNG outlet and another import of control valve of described LNG storage tank.
Further, described LNG storage tank there is force (forcing) pump by pipeline connection.
Further, described refrigeration system includes circulating the first compressor of connection, condenser, expansion throttling valve and vaporizer successively, and described first compressor is connected with pressure recovery module.
Compared with prior art, the beneficial effects of the utility model are: during work, LNG storage tank, cold recovery room, heater are located on vehicle frame, heat exchanger, agent for storage of coldness bin and cold outlet terminal are each provided in the cold closet of car, when needing cold energy to lower the temperature in cold closet, the entrance that control valve is connected with cold recovery room is opened, it is indoor that liquefied natural gas enters into cold recovery through pipeline, cold recovery room is connected by the first circulation line agent for storage of coldness bin, agent for storage of coldness bin can store cold energy, is then lowered the temperature cold closet by cold outlet terminal；Liquefied natural gas enters in heat exchanger, can be reclaimed by the pressure of the high-pressure gas of pressure recovery module heat exchanger output, and use the pressure reclaimed to freeze by refrigeration system, add the recovery total of energy in system circulation, improve the organic efficiency of cold；Natural gas enters in heater through cold recovery room, control valve again, and the cooling water of cooling water circulation system of engine carries out heat exchange, and liquefied natural gas enters into electromotor through pipeline after being gasified totally, and provides power for car.When cold closet cold storage capacity reaches requirement, the path blockade between control valve and cold recovery room, the mouth between control valve and heater opens, and LNG enters directly in heater.To sum up, this utility model simple in construction, easy to use, it is possible to the cold energy produced during efficient recovery LNG gasification, it is saved greatly the energy, improves the efficiency of cold recovery.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of LNG tank car cold energy reclamation device.
In figure: 1-LNG holding vessel, 2-force (forcing) pump, 3-cold recovery room, 4-heat exchanger, 5-agent for storage of coldness bin, 6-cold outlet terminal, 7-control valve, 8-heater, 9-water inlet, 10-outlet, 11-electromotor, 12-pressure recovery module, 13-refrigeration system.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，In this utility model embodiment，A kind of LNG tank car cold energy reclamation device，Including LNG storage tank 1、Cold recovery room 3 and heat exchanger 4，Two LNG outlets it are provided with in described LNG storage tank 1，Connected by pipeline between coil pipe import in one LNG outlet of LNG storage tank 1 and cold recovery room 3，Connected by pipeline between coil outlets in cold recovery room 3 and the coil inlet in heat exchanger 4，Described cold recovery room 3 is connected by the first circulation line agent for storage of coldness bin 5，Agent for storage of coldness in described agent for storage of coldness bin 5 is alcohols、Lipid、Alcohol lipid、The mixture of one or more in arene，Agent for storage of coldness bin 5 connects cold outlet terminal 6 by the second circulation line，Connect on described heat exchanger 4 and have pressure recovery module 12，Pressure recovery module 12 connects refrigeration system 13，Coil outlets in heat exchanger 4 is connected by pipeline with between the import being arranged on cold recovery room 3，Connected by pipeline between outlet and the import of control valve 7 on cold recovery room 3，The outlet of control valve 7 is connected with the coil pipe import of heater 8 by pipeline，The coil outlets of heater 8 is connected with the electromotor 11 of gas car by pipeline，Water inlet 9 and outlet 10 are set on heater 8，Water inlet 9 and outlet 10 are connected with the cooling water system of electromotor 11 by pipeline respectively，It is connected also by pipeline between another LNG outlet and another import of control valve 7 of described LNG storage tank 1.
In embodiment, described LNG storage tank 1 is connected by pipeline and has force (forcing) pump 2.
In embodiment, described refrigeration system 13 includes circulating the first compressor of connection, condenser, expansion throttling valve and vaporizer successively, and described first compressor is connected with pressure recovery module.
Operation principle of the present utility model is: during work, LNG storage tank 1, cold recovery room 3, heater 8 are located on vehicle frame, heat exchanger 4, agent for storage of coldness bin 5 and cold outlet terminal 6 are each provided in the cold closet of car, when needing cold energy to lower the temperature in cold closet, the entrance that control valve 7 is connected with cold recovery room 3 is opened, liquefied natural gas is in pipeline enters into cold recovery room 3, cold recovery room 3 is connected by the first circulation line agent for storage of coldness bin 5, agent for storage of coldness bin 5 can store cold energy, is then lowered the temperature cold closet by cold outlet terminal 6；Liquefied natural gas enters in heat exchanger 4, can be reclaimed by the pressure of the high-pressure gas of pressure recovery module 12 heat exchanger 4 output, and use the pressure reclaimed to freeze by refrigeration system, add the recovery total of energy in system circulation, improve the organic efficiency of cold；Natural gas enters in heater 8 through cold recovery room 3, control valve 7 again, and the cooling water of electromotor 11 cooling water recirculation system carries out heat exchange, and liquefied natural gas enters into electromotor 11 through pipeline after being gasified totally, and provides power for car.When cold closet cold storage capacity reaches requirement, the path blockade between control valve 7 and cold recovery room 3, the path between control valve 7 and heater 8 opens, and natural gas enters directly in heater 8.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (3)
- null1. a LNG tank car cold energy reclamation device，Including LNG storage tank、Cold recovery room and heat exchanger，It is characterized in that，Two LNG outlets it are provided with in described LNG storage tank，Connected by pipeline between one LNG outlet and the coil pipe import of cold recovery indoor of LNG storage tank，Connected by pipeline between coil inlet in the coil outlets of cold recovery indoor and heat exchanger，Described cold recovery room is connected by the first circulation line agent for storage of coldness bin，Agent for storage of coldness bin connects cold outlet terminal by the second circulation line，Connect on described heat exchanger and have pressure recovery module，Pressure recovery module connects refrigeration system，Coil outlets in heat exchanger is connected by pipeline with between the import being arranged on cold recovery room，Connected by pipeline between outlet and the import of control valve on cold recovery room，The outlet of control valve is connected with the coil pipe import of heater by pipeline，The coil outlets of heater is connected with the electromotor of gas car by pipeline，Water inlet and outlet are set on heater，Water inlet and outlet are connected with the cooling water system of electromotor by pipeline respectively，It is connected also by pipeline between another LNG outlet and another import of control valve of described LNG storage tank.
- A kind of LNG tank car cold energy reclamation device the most according to claim 1, it is characterised in that connected by pipeline in described LNG storage tank and have force (forcing) pump.
- A kind of LNG tank car cold energy reclamation device the most according to claim 1, it is characterised in that described refrigeration system includes circulating the first compressor of connection, condenser, expansion throttling valve and vaporizer successively, and described first compressor is connected with pressure recovery module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520889095.7U CN205425565U (en) | 2015-11-10 | 2015-11-10 | Cold volume recovery unit of LNG tank car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520889095.7U CN205425565U (en) | 2015-11-10 | 2015-11-10 | Cold volume recovery unit of LNG tank car |
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| Publication Number | Publication Date |
|---|---|
| CN205425565U true CN205425565U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520889095.7U Expired - Fee Related CN205425565U (en) | 2015-11-10 | 2015-11-10 | Cold volume recovery unit of LNG tank car |
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| Country | Link |
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| CN (1) | CN205425565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111591203A (en) * | 2020-06-06 | 2020-08-28 | 广州极速制冷设备有限公司 | LNG, liquid nitrogen, cold-storage agent joint refrigeration cold chain logistics container car |
-
2015
- 2015-11-10 CN CN201520889095.7U patent/CN205425565U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111591203A (en) * | 2020-06-06 | 2020-08-28 | 广州极速制冷设备有限公司 | LNG, liquid nitrogen, cold-storage agent joint refrigeration cold chain logistics container car |
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| 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: 20160803 Termination date: 20171110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |