CN110091690A - LNG Cold Chain Logistics vehicle cold energy recycle system - Google Patents
LNG Cold Chain Logistics vehicle cold energy recycle system Download PDFInfo
- Publication number
- CN110091690A CN110091690A CN201910314852.0A CN201910314852A CN110091690A CN 110091690 A CN110091690 A CN 110091690A CN 201910314852 A CN201910314852 A CN 201910314852A CN 110091690 A CN110091690 A CN 110091690A
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- China
- Prior art keywords
- lng
- cold
- triple valve
- valve
- heat exchanger
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
The present invention provides a kind of LNG Cold Chain Logistics vehicle cold energy recycle systems, comprising: LNG fluid reservoir, shut-off valve, vacuum tube, the first triple valve, refrigerating medium heat exchanger, the second triple valve, fan coil, the first temperature sensor, third triple valve, cold-storage tank, temperature controller, circulating pump, second temperature sensor, engine cool water- to-water heat exchanger, pressure regulator valve, surge tank, automobile engine；The cooling capacity that this patent utilizes LNG vaporization to generate, refrigeration cool-down is carried out to refrigerator carriage, cold recovery utilizes, instead of the chiller compartment unit of script, energy has been saved, while having fully considered actual use situation, has realized multiple-working mode, meet different working conditions, is had very important effect in Cold Chain Logistics field.
Description
Technical field
The invention belongs to Cold Chain Logistics system regions, and in particular to arrive a kind of LNG Cold Chain Logistics vehicle cold energy recycle system
System.
Background technique
The Cold Chain Logistics car owner in China will be based on mechanical refrigerator car at present, and refrigeration system is by compressor, condenser, steaming
Device and expansion valve composition are sent out, compressor power source is automobile engine driving or independent diesel engine drives.It is this cold
Chain logistic car needs independent refrigerating plant, and structure is complicated, operating cost is high.
LNG Cold Chain Logistics vehicle fuel is liquefied natural gas, and LNG is stored in -160 DEG C of fluid reservoir.It is sent out entering automobile
Must be by under LNG vaporization rewarming to normal temperature state before motivation, when LNG vaporization, generates a large amount of cooling capacity.Under normal conditions, cold chain object
Temperature is at -18 DEG C or so in stream compartment, therefore it is enough that LNG vaporization cooling capacity, which is used to cool down Cold Chain Logistics compartment,.At present
The patent of application be only cooling capacity that LNG vaporization is generated it is rough be applied to chiller compartment, and for complexity in actual use
Operating condition do not design corresponding solution targetedly, in other words, at present the overwhelming majority patents only rest on theory
Stage is not particularly suited in actual use.
As can designing a set of system utilized for LNG vaporization cold recovery, meet various differences in actual use
Operating condition can not only then reduce the operating cost of Cold Chain Logistics vehicle, moreover it is possible to help to reduce exhaust emissions, reduce pollution, meet and work as
The urgent need in preceding Cold Chain Logistics field.
Summary of the invention
The purpose of the present invention is overcoming defect of the existing technology, a kind of LNG Cold Chain Logistics vehicle cold energy recycling benefit is provided
With system, various different operating conditions in actual use are met, then can not only reduce the operating cost of Cold Chain Logistics vehicle, moreover it is possible to have
Help reduce exhaust emissions, reduces pollution, meet the urgent need in current Cold Chain Logistics field.Specifically include following content:
A kind of LNG Cold Chain Logistics vehicle cold energy recycle system, comprising: LNG fluid reservoir, shut-off valve, vacuum tube, the one or three
Port valve, refrigerating medium heat exchanger, the second triple valve, fan coil, the first temperature sensor, third triple valve, cold-storage tank, temperature control
Device processed, circulating pump, second temperature sensor, engine cool water- to-water heat exchanger, pressure regulator valve, surge tank, automobile engine.
The first triple valve import connects vacuum tube, and one outlet connects refrigerating medium heat exchanger, another outlet connection
Bypass line adjusts the working condition of the first triple valve by acquiring the data of second temperature sensor, prevents refrigerating medium from going out
Now freeze.It can also prevent refrigerating medium from freezing using other form, a heat exchanger in parallel such as in refrigerating medium inlet pipe,
It introduces the higher engine cooling water of temperature or other high temp objects suitably heats refrigerating medium, prevent LNG cooling capacity is excessive from causing
Refrigerating medium freezes.
The second triple valve import connects refrigerating medium outlet tube road, and one outlet connects fan coil, another outlet
Connecting bypass pipeline.The fan coil is located between two triple valves, in parallel with bypass line.The third triple valve import
It connects fan coil and bypass line outlet, one outlet connects cold-storage tank, another outlet connecting bypass pipeline.Adjust second
The working condition of triple valve and third triple valve realizes three kinds of different operating modes such as cooling, cold-storage and parking.Each of the above
A triple valve is changed to individual two valves, controls two-way pipeline to realize same purpose.
The temperature controller connects the first temperature sensor and second temperature sensor and three triple valves, passes through temperature
Spend the working condition of feedback regulation triple valve.
Preferably, after the shut-off valve is located at LNG fluid reservoir, occurs closing shut-off valve at once when LNG leakage in system, protect
Demonstrate,prove safety.
Preferably, the vacuum tube is located at after shut-off valve, connects the first triple valve, reduces the loss of refrigeration capacity of LNG.Vacuum
Pipe can also be substituted for the good pipeline of other heat insulation effect, such as the metal hose of outer surface package heat-insulation material.
Preferably, the refrigerating medium heat exchanger is separately connected vacuum tube, LNG escape pipe there are two import and two outlets
Road, refrigerating medium inlet pipe, refrigerating medium outlet tube road.
Preferably, the one outlet of the cold-storage tank connection third triple valve, it is in parallel with bypass line.The position of cold-storage tank
It can be any position of system refrigerating medium circulation, it can also be made of one formula with refrigerating medium heat exchanger or select other storage
Cold mode, such as cold plate.
Preferably, the circulating pump is located in refrigerating medium inlet pipe, provides power for refrigerating medium circulation.The position of circulating pump
It sets in including but not limited to refrigerating medium inlet pipe, is also possible to any position of system refrigerating medium circulation.
Preferably, the engine cooling water design of heat exchanger is after refrigerating medium heat exchanger, connection LNG inlet and outlet and hair
Motivation cooling water outlet and inlet continues to be heated to normal temperature state to the LNG after vaporization using engine cooling water.Engine is cold
But the position of water- to-water heat exchanger can also become one before refrigerating medium heat exchanger, or with refrigerating medium heat exchanger, LNG simultaneously with
Refrigerating medium and engine cooling water heat exchange.
Preferably, described pressure regulator valve one end connects LNG outlet pipe, and one end connects surge tank, by the LNG pressure after vaporization
Being adjusted to engine allows under pressure.
Preferably, before the surge tank is located at automobile engine, after pressure regulator valve, the LNG storage after vaporization is started
Machine uses.
Clear superiority by adopting the above technical scheme is: the cooling capacity generated using LNG vaporization freezes to refrigerator carriage
Cooling, cold recovery utilize, and instead of the chiller compartment unit of script, have saved energy, while fully considering actual use feelings
Condition realizes multiple-working mode, meets three kinds of different working conditions such as cooling, cold-storage and parking, has in Cold Chain Logistics field
There is very important effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the working principle diagram of the embodiment of the present invention 1.
Fig. 2 is the working principle diagram of the embodiment of the present invention 2.
Solid line is piping connection in attached drawing, and dotted line is connection.
Label declaration: 1, LNG fluid reservoir；2, shut-off valve；3, vacuum tube；4, the first triple valve；5, refrigerating medium heat exchanger；6,
Second triple valve；7, fan coil；8, the first temperature sensor；9, third triple valve；10, cold-storage tank；11, temperature controller；
12, circulating pump；13, second temperature sensor；14, engine cool water- to-water heat exchanger；15, pressure regulator valve；16, surge tank；17, automobile
Engine；18, flow control valve.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, following embodiment be explanation of the invention and
The invention is not limited to following embodiments.
Embodiment 1:
As shown in Figure 1, a kind of LNG Cold Chain Logistics vehicle cold energy recycle system, comprising: LNG fluid reservoir (1), shut-off valve
(2), vacuum tube (3), the first triple valve (4), refrigerating medium heat exchanger (5), the second triple valve (6), fan coil (7), the first temperature
Spend sensor (8), third triple valve (9), cold-storage tank (10), temperature controller (11), circulating pump (12), second temperature sensor
(13), engine cool water- to-water heat exchanger (14), pressure regulator valve (15), surge tank (16), automobile engine (17).
(4) import of first triple valve connects vacuum tube (3), and one outlet connects refrigerating medium heat exchanger (5), another outlet
Connecting bypass pipeline adjusts the working condition of the first triple valve (4) by acquiring the data of second temperature sensor (13), prevents
Only refrigerating medium freezes.It can also prevent refrigerating medium from freezing using other form, it is in parallel such as in refrigerating medium inlet pipe
One heat exchanger, introduces the higher engine cooling water of temperature or other high temp objects suitably heat refrigerating medium, prevents LNG cold
It measures and excessive refrigerating medium is caused to freeze.(6) import of second triple valve connects refrigerating medium outlet tube road, and one outlet connects fan coil
(7), another outlet connecting bypass pipeline.The fan coil (7) is located between two triple valves, in parallel with bypass line.
Third triple valve (9) import connection fan coil (7) and bypass line outlet, one outlet connect cold-storage tank (10), separately
One outlet connecting bypass pipeline.The working condition of the second triple valve (6) and third triple valve (9) is adjusted, realizes cooling, cold-storage
With parking etc. three kinds of different operating modes.Each of the above triple valve is changed to individual two valves, controls two-way pipe
Same purpose is realized on road.
Temperature controller (11) connects the first temperature sensor (8) and second temperature sensor (13) and three threeways
Valve passes through the working condition of temperature feedback regulating three-way valve.
After shut-off valve (2) is located at LNG fluid reservoir (1), occurs closing shut-off valve at once when LNG leakage in system, guarantee peace
Quan Xing；Vacuum tube (3) is located at after shut-off valve (2), connects the first triple valve (4), reduces the loss of refrigeration capacity of LNG.Vacuum tube (3)
The good pipeline of other heat insulation effect, such as the metal hose of outer surface package heat-insulation material can also be substituted for；Refrigerating
Agent heat exchanger (5) there are two import with two outlet, be separately connected vacuum tube (3), LNG outlet pipe, refrigerating medium inlet pipe,
Refrigerating medium outlet tube road.
Cold-storage tank (10) connects the one outlet of third triple valve (9), in parallel with bypass line.The position of cold-storage tank (10)
It can be any position of system refrigerating medium circulation, it can also be made of one formula with refrigerating medium heat exchanger (5) or select other
Cold-storage mode, such as cold plate；Engine cool water- to-water heat exchanger (14) design after refrigerating medium heat exchanger (5), connection LNG into
Outlet and engine cool water entrance, continue to be heated to normal temperature state to the LNG after vaporization using engine cooling water.
The position of engine cool water- to-water heat exchanger (12) can also collect before refrigerating medium heat exchanger (5), or with refrigerating medium heat exchanger (5)
It is integrally formed, LNG exchanges heat with refrigerating medium and engine cooling water simultaneously；Pressure regulator valve (15) one end connects LNG outlet pipe, one end
It connects surge tank (16), the LNG pressure after vaporization, which is adjusted to engine, to be allowed under pressure；Surge tank (16) is located at car engine
Before machine (17), after pressure regulator valve (15), by the LNG storage after vaporization for engine use.
The work implementation of the present embodiment 1 is divided into following three modes:
Cooling mode:
LNG is flowed out from fluid reservoir, flows into refrigerating medium heat exchanger through the first triple valve, and be vaporized into refrigerating medium heat exchanger
Gaseous state.Refrigerating medium absorbs the cooling capacity that LNG vaporization is released, and flows into fan coil by the second triple valve, exchanges heat with air, will
After air is cooled to -18 DEG C, refrigerator carriage is blown by fan.Refrigerating medium after heating flows into cold-storage tank using third triple valve
Bypass line in, after circulating pump flow into refrigerating medium heat exchanger, formed circulation.LNG after vaporization is changed through engine cooling water
Enter work by combustion in automobile engine after hot device, pressure regulator valve and surge tank.Under this mode, the first triple valve refrigerating medium heat exchanger
Branch is opened, and bypass branch is closed, and the second triple valve fan coil branch is opened, and bypass branch is closed, third triple valve bypass
Branch is opened, and cold-storage tank branch is closed.
Cold-storage mode:
After the first temperature sensor monitors that compartment temperature reaches setting value, temperature controller regulate and control the second triple valve and
The working condition of third triple valve.Under this mode, the second triple valve bypass branch is opened, and fan coil branch is closed, refrigerating medium
Third triple valve is flowed into via bypass branch.Third triple valve cold-storage tank branch is opened, and bypass branch is closed, and refrigerating medium, which flows into, to be stored
Cold tank cools down to the refrigerating medium stored in cold-storage tank, then flows into refrigerating medium heat exchanger through circulating pump again.At this point, cold-storage
Tank can store extra cooling capacity.
Car-parking model:
Under this mode, automobile engine stops working, and the temperature in compartment is maintained by the interior cooling capacity stored of cold-storage tank.This
When, the second triple valve fan coil branch is opened, and bypass branch is closed, and third triple valve cold-storage tank branch is opened, bypass branch
It closes, the lower refrigerating medium of temperature in cold-storage tank is delivered in fan coil by circulating pump, maintains the temperature in compartment.
Embodiment 2
As shown in Fig. 2, the invention patent provides second of embodiment, wherein three kinds of works such as cooling, cold-storage and parking
The embodiment of operation mode is constant, is provided with flow control valve 18, and the first triple valve and its bypass line originally removes, carrying
A heat exchanger in parallel in cryogen inlet pipe, introduces the higher engine cooling water of temperature and suitably heats to refrigerating medium, prevent
LNG cooling capacity is excessive to cause refrigerating medium to freeze.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different.The equivalent or simple change that all structure, feature and principles described according to the invention patent design are done, is wrapped
It includes in the scope of protection of the patent of the present invention.Those skilled in the art can be to described specific implementation
Example is done various modifications or additions or is substituted in a similar manner, and without departing from structure of the invention or surmounts this
Range as defined in the claims, is within the scope of protection of the invention.
Claims (9)
1. a kind of LNG Cold Chain Logistics vehicle cold energy recycle system, it is characterised in that: the LNG Cold Chain Logistics vehicle cold energy returns
Receiving using system includes: LNG fluid reservoir (1), shut-off valve (2), vacuum tube (3), the first triple valve (4), refrigerating medium heat exchanger
(5), the second triple valve (6), fan coil (7), the first temperature sensor (8), third triple valve (9), cold-storage tank (10), temperature
Controller (11), second temperature sensor (13), engine cool water- to-water heat exchanger (14), pressure regulator valve (15), delays circulating pump (12)
Rush tank (16), automobile engine (17)；
LNG fluid reservoir (1), shut-off valve (2) and the vacuum tube (3) is sequentially connected；
First triple valve (4) import connects vacuum tube (3), and one outlet connects refrigerating medium heat exchanger (5), another outlet
Connecting bypass pipeline adjusts the working condition of the first triple valve (4) by acquiring the data of second temperature sensor (13)；
Second triple valve (6) import connects refrigerating medium heat exchanger outlet tube road, and one outlet connects fan coil (7), separately
One outlet connecting bypass pipeline, the fan coil (7) is located between two triple valves, in parallel with bypass line；
Third triple valve (9) import connection fan coil (7) and bypass line outlet, one outlet connect cold-storage tank
(10), another outlet connecting bypass pipeline, adjusts the working condition of the second triple valve (6) and third triple valve (9), realizes drop
Three kinds of temperature, cold-storage and parking different operating modes；
Temperature controller (11) connection the first temperature sensor (8) and second temperature sensor (13) and three threeways
Valve passes through the working condition of temperature feedback regulating three-way valve.
2. LNG Cold Chain Logistics vehicle cold energy recycle system according to claim 1, it is characterised in that: described first
Three triple valve (4), the second triple valve (6), third triple valve triple valves are substituted for individual two valves of control two-way pipeline
Door (9).
3. LNG Cold Chain Logistics vehicle cold energy recycle system according to claim 1, it is characterised in that: the vacuum tube
(3) it is located at after shut-off valve (2), connects the first triple valve (4), the vacuum tube (3) can be substituted for outer surface package and protect
The metal hose of warm heat-insulating material.
4. LNG Cold Chain Logistics vehicle cold energy recycle system according to claim 1, it is characterised in that: the refrigerating medium
There are two imports and two outlets for heat exchanger (5), are separately connected vacuum tube (3), LNG outlet pipe, refrigerating medium inlet pipe, carry
Cryogen outlet tube road.
5. LNG Cold Chain Logistics vehicle cold energy recycle system according to claim 1, it is characterised in that: the cold-storage tank
(10) one outlet of third triple valve (9) is connected, it is in parallel with bypass line；The position of cold-storage tank (10) is arranged in system refrigerating
Any position of agent circulation, or it is made of one formula cold-storage device with refrigerating medium heat exchanger (5).
6. LNG Cold Chain Logistics vehicle cold energy recycle system according to claim 1, it is characterised in that: the circulating pump
(12) it is set to any position that in refrigerating medium inlet pipe or system refrigerating medium recycles.
7. the apparatus according to claim 1, which is characterized in that engine cool water- to-water heat exchanger (14) design is in refrigerating
After agent heat exchanger (5), LNG inlet and outlet and engine cool water entrance or engine cool water- to-water heat exchanger (12) are connected
Be arranged before refrigerating medium heat exchanger (5), or with refrigerating medium heat exchanger (5) integrated design.
8. the apparatus according to claim 1, which is characterized in that pressure regulator valve (15) one end connection LNG outlet pipe, one
End connection surge tank (16), the LNG pressure after vaporization, which is adjusted to engine, to be allowed under pressure.
9. the apparatus according to claim 1, which is characterized in that before the surge tank (16) is located at automobile engine (17),
After pressure regulator valve (15), by the LNG storage after vaporization for engine use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314852.0A CN110091690A (en) | 2019-04-18 | 2019-04-18 | LNG Cold Chain Logistics vehicle cold energy recycle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314852.0A CN110091690A (en) | 2019-04-18 | 2019-04-18 | LNG Cold Chain Logistics vehicle cold energy recycle system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110091690A true CN110091690A (en) | 2019-08-06 |
Family
ID=67445090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910314852.0A Pending CN110091690A (en) | 2019-04-18 | 2019-04-18 | LNG Cold Chain Logistics vehicle cold energy recycle system |
Country Status (1)
| Country | Link |
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| CN (1) | CN110091690A (en) |
Cited By (4)
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| CN110802996A (en) * | 2019-12-12 | 2020-02-18 | 酷豹低碳新能源装备科技(常州)有限公司 | LNG air conditioner refrigerating system |
| CN112009349A (en) * | 2020-08-20 | 2020-12-01 | 北京航天试验技术研究所 | Liquid hydrogen refrigerating system for fuel cell cold-chain logistics vehicle |
| WO2022222758A1 (en) * | 2021-04-20 | 2022-10-27 | 浙江大学常州工业技术研究院 | Lng carrier refrigeration micro-power air conditioning system |
| CN115366774A (en) * | 2022-08-04 | 2022-11-22 | 大连理工大学 | Hydrogen energy cold chain vehicle based on cold accumulation hydrogen storage tank and use method thereof |
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| CN112009349A (en) * | 2020-08-20 | 2020-12-01 | 北京航天试验技术研究所 | Liquid hydrogen refrigerating system for fuel cell cold-chain logistics vehicle |
| WO2022222758A1 (en) * | 2021-04-20 | 2022-10-27 | 浙江大学常州工业技术研究院 | Lng carrier refrigeration micro-power air conditioning system |
| CN115366774A (en) * | 2022-08-04 | 2022-11-22 | 大连理工大学 | Hydrogen energy cold chain vehicle based on cold accumulation hydrogen storage tank and use method thereof |
| CN115366774B (en) * | 2022-08-04 | 2023-09-05 | 大连理工大学 | Hydrogen energy cold chain vehicle based on cold storage hydrogen storage tank and use method thereof |
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