CN204460879U - A kind of LNG engine refrigeration system of sustainable cooling - Google Patents
A kind of LNG engine refrigeration system of sustainable cooling Download PDFInfo
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- CN204460879U CN204460879U CN201420813086.5U CN201420813086U CN204460879U CN 204460879 U CN204460879 U CN 204460879U CN 201420813086 U CN201420813086 U CN 201420813086U CN 204460879 U CN204460879 U CN 204460879U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a kind of LNG engine refrigeration system of sustainable cooling, belong to LNG cold energy use field.The utility model comprises LNG fluid reservoir, LNG evaporimeter, vaporizer, surge tank, LNG engine, loader and engine power switching device shifter, liquified natural gas in LNG fluid reservoir gasifies through LNG evaporimeter and vaporizer heat exchange and enters in LNG engine after surge tank successively, LNG engine is connected with loader by engine power switching device shifter, and loader is for providing the load when zero load of LNG engine or low loaded work piece.The utility model is by being supplied to loader by the power of LNG engine, make LNG engine still can be in the duty of load at vehicle or boats and ships suspended state always, ensure that the cold energy that LNG discharges stably is supplied in refrigerator car or refrigeration cabin, fundamentally solve the problem of the cooling such as refrigerator car and refrigerated carrier instability.
Description
Technical field
The utility model relates to a kind of LNG engine refrigeration system, more particularly, relates to a kind of LNG engine refrigeration system of sustainable cooling.
Background technology
Liquified natural gas (LNG) is acknowledged as fossil energy the cleanest on the earth, colourless, tasteless, nontoxic and non-corrosiveness.Liquified natural gas needs again to gasify in use, discharges a large amount of cold energy in gasification.LNG engine is exactly take liquified natural gas as the power engine of fuel, when liquified natural gas supply engine burns, need the gasification of expanding that heats up, LNG absorbs a large amount of heat energy when gasifying, discharge a large amount of cold energy in other words, these cold energy major parts can be fully utilized.
At present, the cold energy that LNG engine operationally discharges mainly is used in refrigeration, can be applicable to carry the refrigerator car of LNG engine and refrigerated carrier etc.When LNG engine loading runs, the cold energy of LNG gasification release is used for the refrigeration of refrigerator car or cabin.Because LNG cold energy is by the byproduct produced during LNG engine operation, that is, only cold energy could be discharged when LNG engine operation, and whether the release of cold energy operates at full capacity with engine relevant.Practice finds, when Engine full load works, the cold energy of its release reaches maximum, and can meet the cold energy demand of refrigerator car or refrigeration cabin completely; And when engine reduction load (automobile low-speed traveling, idling are waited for traffic lights, parking unloading or boats and ships Reduced Speed Now, cast anchor, approached and unload), even if LNG engine still also can only export a small amount of cold energy in work, because the output of cold energy can not meet cold-storage needs, therefore refrigerator car or the temperature refrigerated in cabin also can rise thereupon, cold energy is caused to supply unstable, the poor stability of refrigeration and unsustainable.
In order to make up the defect of the cold energy undersupply of LNG engine when underload duty, comparatively common way arranges cold-storage device in refrigerator car or refrigeration cabin at present, when being worked by Engine full load, the part cold energy of release is in store, refrigeration when working for engine low load, but the cold energy storage capacity of cold-storage device is limited, is difficult to the refrigeration reaching expection.A kind of way is also had to be separately add a set of refrigeration plant in refrigerator car or refrigeration cabin, when engine low load works, cold energy is provided by other refrigeration plants, to meet the refrigeration demand of refrigerator car or refrigeration cabin, this way to some extent solves the problem of the cold energy undersupply of LNG engine when underload duty, but separately adding a set of refrigeration plant makes refrigeration cost increase, and is difficult to the accreditation obtaining consumer, often loses more than gain.Visible, the cold energy for existing refrigerator car using LNG engine as power and refrigerated carrier supplies unsustainable technical problem, does not also have a kind of effective technical scheme to be suggested.
Summary of the invention
1. the utility model technical problem that will solve
It is unstable that the purpose of this utility model is to overcome the coolings such as existing refrigerator car using LNG engine as power and refrigerated carrier, refrigeration poor stability and unsustainable deficiency, a kind of LNG engine refrigeration system of sustainable cooling is provided, adopt the technical solution of the utility model, by the power of LNG engine is supplied to loader, make LNG engine be in the duty of load always, and the load of LNG engine can be regulated at any time according to variations in temperature, until at full capacity, the cold energy discharged by LNG fully, continuously, stably be supplied in refrigerator car or refrigeration cabin, ensure that the low-temperature receiver supply stability of refrigerator car or refrigeration cabin, fundamentally solve the coolings such as refrigerator car using LNG engine as power and refrigerated carrier unstable, refrigeration poor stability and unsustainable problem.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
The LNG engine refrigeration system of a kind of sustainable cooling of the present utility model, comprise LNG fluid reservoir, LNG evaporimeter, vaporizer, surge tank and LNG engine, also comprise loader and engine power switching device shifter, liquified natural gas in described LNG fluid reservoir gasifies through LNG evaporimeter and vaporizer heat exchange and enters in LNG engine after surge tank successively, described LNG engine is connected with loader by engine power switching device shifter, and described loader is for providing the load when zero load of LNG engine or low loaded work piece.
Further, also comprise engine control signal case and temperature controller, described engine control signal case is electrically connected with loader, for receiving the power output of the LNG engine that loader obtains; Described engine control signal case is electrically connected with temperature controller, for the temperature of refrigerating environment of monitoring; Described engine control signal case is electrically connected with LNG engine, for the current operating state according to above-mentioned power output and temperature control LNG engine.
Further, described engine power switching device shifter is intelligent control valve, and described engine control signal case is connected with intelligent control valve, and described intelligent control valve is connected with LNG engine, for the duty of control LNG engine; Described loader is provided with sensor, and described sensor is connected with engine control signal case.
Further, described engine power switching device shifter is MTS, and described MTS is located between LNG engine and loader, is also provided with regulating switch between described engine control signal case and LNG engine.
Further, also power takeoff is provided with between described LNG engine and loader.
Further, described loader is waterpower loader, and the entery and delivery port of described waterpower loader and the water-in and water-out interruption-forming Hydraulic Circulation of vaporizer, the Hydraulic Circulation path of described loader and vaporizer is also selected water tank is housed.
Further, described loader is any one in current vortex loader, magnetic hysteresis loader, magnetic loader, permanent magnetism loader and servo-loader, described loader and vaporizer form cooling water circulation, described loader also select the cooling water tank be equipped with for cooling heat dissipation.
Further, described LNG fluid reservoir is connected with the import of LNG evaporimeter, vaporizer respectively by triple valve, and the outlet of described LNG evaporimeter is connected with vaporizer, omnidistancely between described triple valve and LNG evaporimeter uses vacuum sleeve.
Further, the air inlet place of described LNG engine is also provided with surge tank, is also provided with pressure regulator valve between described surge tank and vaporizer; Form cooling water circulation between described LNG engine and vaporizer, and this cooling water circulation pipeline is provided with flow control valve.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with existing known technology, has following remarkable result:
(1) the LNG engine refrigeration system of a kind of sustainable cooling of the present utility model, liquified natural gas in its LNG fluid reservoir gasifies through LNG evaporimeter and vaporizer heat exchange and enters in LNG engine after surge tank successively, LNG engine is connected with loader by engine power switching device shifter, loader is for providing the load when zero load of LNG engine or low loaded work piece, when the zero load of LNG engine or low load, by the power of LNG engine is supplied to loader, make LNG engine be in the duty of load always, the cold energy discharged by LNG fully, continuously, the refrigerator car that to be stably supplied to LNG engine be power source, in refrigerated carrier etc., ensure that low-temperature receiver supply stability, fundamentally solve the refrigerator car using LNG engine as power and refrigerated carrier cooling instability, refrigeration poor stability and unsustainable problem,
(2) the LNG engine refrigeration system of a kind of sustainable cooling of the present utility model, its engine control signal case receives the temperature of the power output of the LNG engine that loader obtains and the refrigerating environment of temperature controller monitoring, and according to the current operating state of above-mentioned power and temperature parameter control LNG engine, the load of LNG engine can be regulated at any time according to variations in temperature, until at full capacity, guarantee that LNG engine works under most economical state, save operating cost;
(3) the LNG engine refrigeration system of a kind of sustainable cooling of the present utility model, its engine power switching device shifter is intelligent control valve, engine control signal case is connected with intelligent control valve, and intelligent control valve is connected with LNG engine, for the duty of control LNG engine; Loader is provided with sensor, and sensor is connected with engine control signal case; Or engine power switching device shifter is MTS, MTS is located between LNG engine and loader, is also provided with regulating switch between engine control signal case and LNG engine; Realized the convenient switching of engine power by Based Intelligent Control or Non-follow control, simple to operate, controllability is good, meets the use under varying environment;
(4) the LNG engine refrigeration system of a kind of sustainable cooling of the present utility model, also power takeoff is provided with between its LNG engine and loader, by power takeoff by the Power output of LNG engine to loader, make engine even running in loaded situation;
(5) the LNG engine refrigeration system of a kind of sustainable cooling of the present utility model, its loader is waterpower loader or is any one in current vortex loader, magnetic hysteresis loader, magnetic loader, permanent magnetism loader and servo-loader, be embodied as while LNG engine provides load when unloaded or low loaded work piece, also achieve the heat exchange between loader and vaporizer, effectively utilize energy, energy-conserving and environment-protective;
(6) the LNG engine refrigeration system of a kind of sustainable cooling of the present utility model, its LNG fluid reservoir is connected with the import of LNG evaporimeter, vaporizer respectively by triple valve, the outlet of LNG evaporimeter is connected with vaporizer, between triple valve and LNG evaporimeter, whole process uses vacuum sleeve, utilizes vacuum sleeve that LNG cold energy is fully used; Utilize triple valve control LNG evaporimeter whether to work, and do not affect the normal work of LNG engine;
(7) the LNG engine refrigeration system of a kind of sustainable cooling of the present utility model, the air inlet place of its LNG engine is also provided with surge tank, is also provided with pressure regulator valve between surge tank and vaporizer; Form cooling water circulation between LNG engine and vaporizer, and this cooling water circulation pipeline is provided with flow control valve, the gaseous natural gas utilizing surge tank to make to enter in LNG engine is more steady, ensures the work of LNG engine stabilizer; Utilize vaporizer for LNG engine cooling, good effect of heat exchange, reasonably make use of resource;
(8) the LNG engine refrigeration system of a kind of sustainable cooling of the present utility model, can be applicable in the refrigeration of refrigerator car or refrigerated carrier, LNG engine is for while refrigerator car or refrigerated carrier provide power, return be arranged at refrigerator car refrigerator car in or refrigerated carrier refrigeration cabin in LNG evaporimeter cold energy is endlessly provided, efficiently solving refrigerator car or refrigerated carrier cannot provide enough LNG cold energy problem when running at a low speed or berth, reducing operation cost.
Accompanying drawing explanation
Fig. 1 is the LNG engine refrigeration system principle schematic of a kind of sustainable cooling of the present utility model;
Fig. 2 is the LNG engine refrigeration system schematic diagram of a kind of sustainable cooling of the utility model embodiment 1;
Fig. 3 is the LNG engine refrigeration system schematic diagram of a kind of sustainable cooling of the utility model embodiment 2;
Fig. 4 is the LNG engine refrigeration system schematic diagram of a kind of sustainable cooling of the utility model embodiment 3;
Fig. 5 is the LNG engine refrigeration system schematic diagram of a kind of sustainable cooling of the utility model embodiment 4.
Label declaration in schematic diagram:
1, LNG fluid reservoir; 2, triple valve; 3, vacuum sleeve; 4, LNG evaporimeter; 5, fan; 6, vaporizer; 7, pressure regulator valve; 8, surge tank; 9, LNG engine; 10, loader; 11, sensor; 12, engine control signal case; 13, temperature controller; 14, intelligent control valve; 15, constant temperature normally closed switch; 16, water tank; 17, cooling water tank; 18, cooling sea water regulating valve; 19, radiator fan; 20, MTS; 21, power takeoff; 22, regulating switch.
Detailed description of the invention
For understanding content of the present utility model further, now in conjunction with refrigeration principle of the present utility model, the utility model is described in detail.
In the LNG engine refrigeration system of a kind of sustainable cooling of the present utility model, the byproduct of output when LNG cold energy is LNG engine operation, the burst size of LNG cold energy is relevant with the gas consumption of LNG engine.When LNG engine high load or full load, the gas consumption of LNG engine is large, therefore the cold energy discharged is also maximum, can meet refrigeration demand in most cases completely, is particularly useful for the refrigeration needs with the LNG engine refrigerator car that is power source or refrigerated carrier; But, LNG engine cannot be guaranteed to be in high capacity or operation at full load always, such as, when refrigerator car or refrigerated carrier travel slowly, LNG engine is in low load condition substantially, and when refrigerator car or refrigerated carrier berth and unload, LNG engine is often in Light Condition, when LNG engine is in low load or is unloaded, the gas consumption of LNG engine is less, and the cold energy therefore discharged is less, is in this case just difficult to meet the cryogenic refrigeration demand that maybe can not meet refrigerator car or refrigerated carrier.Therefore, how to ensure that LNG engine works in load conditions and be only the key point of solution sustainable supply LNG cold energy.
Below in conjunction with embodiment, the utility model will be further described.
Embodiment 1
Composition graphs 1, the LNG engine refrigeration system of a kind of sustainable cooling of the present embodiment, comprise LNG fluid reservoir 1, LNG evaporimeter 4, vaporizer 6, surge tank 8, LNG engine 9, loader 10 and engine power switching device shifter, liquified natural gas in LNG fluid reservoir 1 gasifies through LNG evaporimeter 4 and vaporizer 6 heat exchange and enters after surge tank 8 in LNG engine 9 successively, utilize LNG engine 9 to provide the concrete principle of cold energy same as the prior art, just repeat no more at this; Unlike the prior art, LNG engine 9 is connected with loader 10 by engine power switching device shifter, and loader 10 is for providing live load when LNG engine 9 zero load or low loaded work piece.When LNG engine 9 is in unloaded or low loaded work piece, by the power of LNG engine 9 is supplied to loader 10, make LNG engine 9 be in the duty of load always, the cold energy that LNG discharges is supplied to refrigerator car or refrigerated carrier etc. fully, continuously, stably, ensure that low-temperature receiver supply stability, fundamentally solve that the coolings such as refrigerator car using LNG engine as power and refrigerated carrier are unstable, the poor stability of refrigeration and unsustainable problem.In addition, as shown in Figure 2, work under most economical state in order to ensure LNG engine 9, the LNG engine refrigeration system of a kind of sustainable cooling of the present embodiment, also comprise engine control signal case 12 and temperature controller 13, engine control signal case 12 is electrically connected with loader 10, for receiving the power output of the LNG engine 9 that loader 10 obtains; Engine control signal case 12 is electrically connected with temperature controller 13, for the temperature of refrigerating environment of monitoring; Engine control signal case 12 is electrically connected with LNG engine 9, for the current operating state according to above-mentioned power output and temperature parameter control LNG engine 9.Can judge that the LNG cold energy exported is how many according to the power output of LNG engine 9, meanwhile, in conjunction with the cryogenic temperature that temperature controller 13 is monitored, data processing is carried out by engine control signal case 12, and the signal after process is clearly supplied to LNG engine 9, the duty that last LNG engine 9 is current according to this signal deciding, ensure that LNG engine 9 works under most economical state, has saved operating cost.Shown in Figure 2, specifically in the present embodiment, engine power switching device shifter is intelligent control valve 14, and engine control signal case 12 is connected with intelligent control valve 14, and intelligent control valve 14 is connected with LNG engine 9, for the duty of control LNG engine 9; Loader 10 is provided with sensor 11, sensor 11 is connected with engine control signal case 12, is used for the real-time output power information of loader 10 to pass to engine control signal case 12; The temperature information that engine control signal case 12 is monitored according to temperature controller 13 and the power information that sensor 11 obtains, control intelligent control valve 14 to work, indirectly the duty of control LNG engine 9, the intelligence utilizing intelligent control valve 14 to realize engine power switches, simple to operate, controllability is good.In the present embodiment, above-mentioned intelligent control valve 14 is electromagnetism controlling valve, but the utility model is not limited to electromagnetism controlling valve; Above-mentioned sensor 11 can be power sensor, force cell, pressure sensor, torque sensor and torsion torque sensor etc.In addition, engine control signal case 12 and the connection line of temperature controller 13 are also provided with constant temperature normally closed switch 15.
As shown in Figure 2, the LNG engine refrigeration system of a kind of sustainable cooling of the present embodiment, loader 10 is waterpower loader, the entery and delivery port of waterpower loader and the water-in and water-out interruption-forming Hydraulic Circulation of vaporizer 6, the caloric value that waterpower loader runs is used for the intensification gasification of vaporizer 6 couples of LNG, realizes the heat exchange between loader 10 and vaporizer 6; In addition, according to different service conditions, the Hydraulic Circulation path of loader 10 and vaporizer 6 is also selected water tank 16 is housed, when the water tank volume of vaporizer 6 is less, then need to install the cycling use of water that water tank 16 provides waterpower loader additional, when the water tank volume of vaporizer 6 is enough large, then can save water tank 16, directly utilize the water in vaporizer 6 to circulate.Above-mentioned waterpower loader is in fact also a kind of hydraulic dynamometer, can easily for LNG engine 9 provides running load, again can the power output of real-time estimation LNG engine 9.In addition, in order to make the power stage of LNG engine 9 more stable, improving engine traveling comfort, in the present embodiment, power takeoff 21 can also be set between LNG engine 9 and loader 10.
Shown in hookup 2, the LNG engine refrigeration system of a kind of sustainable cooling of the present embodiment, LNG fluid reservoir 1 is connected with the import of LNG evaporimeter 4, vaporizer 6 respectively by triple valve 2, the outlet of LNG evaporimeter 4 is connected with vaporizer 6, that is, LNG evaporimeter 4 is connected in parallel on the connecting line of LNG fluid reservoir 1 and vaporizer 6, can be selected easily the need of freezing by triple valve 2.In order to ensure LNG engine 9 steady operation, the air inlet place of LNG engine 9 is provided with surge tank 8, also be provided with pressure regulator valve 7 between surge tank 8 and vaporizer 6, the gaseous natural gas pressure utilizing surge tank 8 to make to enter in LNG engine 9 is more steady, thus makes engine even running.In addition, in order to make LNG cold energy be fully used, LNG fluid reservoir 1 is provided with vacuum sleeve 3 with whole process on the connecting line of LNG evaporimeter 4.In order to prevent LNG from leaking in LNG evaporimeter 4, the built-in pipeline of LNG evaporimeter 4 uses the stainless steel tube without interface, to guarantee safety.Further, form cooling water circulation between LNG engine 9 and vaporizer 6, and this cooling water circulation pipeline is provided with flow control valve, utilize vaporizer 6 to lower the temperature for LNG engine 9, good effect of heat exchange, reasonably make use of resource.
Embodiment 2
As shown in Figure 3, the general principle of the LNG engine refrigeration system of a kind of sustainable cooling of the present embodiment is with embodiment 1, difference is: the Power output of the LNG engine 9 in the present embodiment is Non-follow control, in the present embodiment, engine power switching device shifter is MTS 20, MTS 20 is located between LNG engine 9 and loader 10, regulating switch 22 is also provided with between engine control signal case 12 and LNG engine 9, MTS 20 is utilized to realize the dynamical system of LNG engine 9 and refrigeration system switches, simple to operate, be convenient to use without under work requirements.
Embodiment 3
As shown in Figure 4, the general principle of the LNG engine refrigeration system of a kind of sustainable cooling of the present embodiment is with embodiment 1, difference is: the loader 10 in the present embodiment is current vortex loader, magnetic hysteresis loader, magnetic loader, any one in permanent magnetism loader and servo-loader, this Classloader operationally can produce heat, therefore need to arrange heat abstractor, specifically in the present embodiment, form cooling water circulation by loader 10 and vaporizer 6 to realize dispelling the heat, loader 10 can also select the cooling water tank 17 be equipped with for cooling heat dissipation, cooling water tank 17 with the cooling line of loader 10 are also provided with cooling sea water regulating valve 18, certainly, similar to Example 1, if the water tank volume of vaporizer 6 is enough large, then also can consider to save cooling water tank 17, only carry out cool cycles with the water in vaporizer 6.In addition, loader 10 is also equipped with radiator fan 19.
Embodiment 4
As shown in Figure 5, the general principle of the LNG engine refrigeration system of a kind of sustainable cooling of the present embodiment is with embodiment 3, difference is: the Power output of the LNG engine 9 in the present embodiment is Non-follow control, in the present embodiment, engine power switching device shifter is MTS 20, MTS 20 is located between LNG engine 9 and loader 10, regulating switch 22 is also provided with between engine control signal case 12 and LNG engine 9, MTS 20 is utilized to realize the dynamical system of LNG engine 9 and refrigeration system switches, simple to operate, be convenient to use without under work requirements.
The LNG engine refrigeration system of a kind of sustainable cooling of above-described embodiment 1 ~ 4 is applied on refrigerator car or refrigerated carrier, LNG engine 9 provides power for refrigerator car or refrigerated carrier, in the refrigerator car that refrigerator car is located at by LNG evaporimeter 4 or in the refrigeration cabin of refrigerated carrier, and LNG evaporimeter 4 coordinates fan 5 in the refrigerator car of refrigerator car or form circulating cold air in the refrigeration cabin of refrigerated carrier, reaches good refrigeration.When refrigerator car or refrigerated carrier run in high capacity or full load, provide load without the need to loader 10; When refrigerator car or refrigerated carrier are in suspended state, continue to provide cold energy to give refrigerator car or refrigeration cabin, now LNG engine 9 starts, because engine is non-loaded, the cold energy of release can not reach refrigeration requirement, therefore needs loader 10 to provide load for LNG engine 9, now the power of LNG engine 9 is supplied to loader 10, LNG engine 9 being worked when there being load, ensure that cold energy is in liberal supply; The control of above-mentioned LNG engine 9 can be realized by engine control signal case 12.The LNG engine refrigeration system of the sustainable cooling in the present embodiment is applied on refrigerator car or refrigerated carrier, efficiently solves refrigerator car or refrigerated carrier cannot provide enough LNG cold energy problem when running at a low speed or berth, reducing operation cost.
The LNG engine refrigeration system of a kind of sustainable cooling of the present utility model, by the power of LNG engine is supplied to loader, make LNG engine be in the duty of load always, and the load of LNG engine can be regulated at any time according to variations in temperature, until at full capacity, the cold energy discharged by LNG fully, continuously, stably be supplied in refrigerator car or refrigeration cabin, ensure that the low-temperature receiver supply stability of refrigerator car or refrigeration cabin, fundamentally solve the coolings such as refrigerator car using LNG engine as power and refrigerated carrier unstable, refrigeration poor stability and unsustainable problem.
Below be schematically described the utility model and embodiment thereof, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, without creatively designing the frame mode similar to this technical scheme and embodiment, protection domain of the present utility model all should be belonged to.
Claims (9)
1. the LNG engine refrigeration system of a sustainable cooling, comprise LNG fluid reservoir (1), LNG evaporimeter (4), vaporizer (6), surge tank (8) and LNG engine (9), it is characterized in that: also comprise loader (10) and engine power switching device shifter, liquified natural gas in described LNG fluid reservoir (1) gasifies through LNG evaporimeter (4) and vaporizer (6) heat exchange and enters after surge tank (8) in LNG engine (9) successively, described LNG engine (9) is connected with loader (10) by engine power switching device shifter, described loader (10) is for providing load when LNG engine (9) zero load or low loaded work piece.
2. the LNG engine refrigeration system of a kind of sustainable cooling according to claim 1, it is characterized in that: also comprise engine control signal case (12) and temperature controller (13), described engine control signal case (12) is electrically connected with loader (10), for receiving the power output of the LNG engine (9) that loader (10) obtains; Described engine control signal case (12) is electrically connected with temperature controller (13), for the temperature of refrigerating environment of monitoring; Described engine control signal case (12) is electrically connected with LNG engine (9), for the current operating state according to above-mentioned power output and temperature control LNG engine (9).
3. the LNG engine refrigeration system of a kind of sustainable cooling according to claim 2, it is characterized in that: described engine power switching device shifter is intelligent control valve (14), described engine control signal case (12) is connected with intelligent control valve (14), described intelligent control valve (14) is connected with LNG engine (9), for the duty of control LNG engine (9); Described loader (10) is provided with sensor (11), and described sensor (11) is connected with engine control signal case (12).
4. the LNG engine refrigeration system of a kind of sustainable cooling according to claim 2, it is characterized in that: described engine power switching device shifter is MTS (20), described MTS (20) is located between LNG engine (9) and loader (10), is also provided with regulating switch (22) between described engine control signal case (12) and LNG engine (9).
5. the LNG engine refrigeration system of a kind of sustainable cooling according to claim 3 or 4, is characterized in that: be also provided with power takeoff (21) between described LNG engine (9) and loader (10).
6. the LNG engine refrigeration system of a kind of sustainable cooling according to claim 5, it is characterized in that: described loader (10) is waterpower loader, the entery and delivery port of described waterpower loader and the water-in and water-out interruption-forming Hydraulic Circulation of vaporizer (6), the Hydraulic Circulation path of described loader (10) and vaporizer (6) is also selected water tank (16) is housed.
7. the LNG engine refrigeration system of a kind of sustainable cooling according to claim 5, it is characterized in that: described loader (10) is current vortex loader, any one in magnetic hysteresis loader, magnetic loader, permanent magnetism loader and servo-loader, described loader (10) and vaporizer (6) form cooling water circulation, described loader (10) also select the cooling water tank (17) be equipped with for cooling heat dissipation.
8. the LNG engine refrigeration system of a kind of sustainable cooling according to claim 5, it is characterized in that: described LNG fluid reservoir (1) is connected with the import of LNG evaporimeter (4), vaporizer (6) respectively by triple valve (2), the outlet of described LNG evaporimeter (4) is connected with vaporizer (6), and between described triple valve (2) and LNG evaporimeter (4), whole process uses vacuum sleeve (3).
9. the LNG engine refrigeration system of a kind of sustainable cooling according to claim 8, it is characterized in that: the air inlet place of described LNG engine (9) is also provided with surge tank (8), between described surge tank (8) and vaporizer (6), be also provided with pressure regulator valve (7); Form cooling water circulation between described LNG engine (9) and vaporizer (6), and this cooling water circulation pipeline is provided with flow control valve.
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| CN201420813086.5U CN204460879U (en) | 2014-12-18 | 2014-12-18 | A kind of LNG engine refrigeration system of sustainable cooling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457087A (en) * | 2014-12-18 | 2015-03-25 | 常州科瑞德能源科技有限公司 | Liquid natural gas (LNG) engine refrigerating system capable of continuously supplying cold energy and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457087A (en) * | 2014-12-18 | 2015-03-25 | 常州科瑞德能源科技有限公司 | Liquid natural gas (LNG) engine refrigerating system capable of continuously supplying cold energy and application thereof |
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