CN107429879A - Cold and heat recovery gas evaporators and the gas vapo rizer with cold and heat recovery function - Google Patents
Cold and heat recovery gas evaporators and the gas vapo rizer with cold and heat recovery function Download PDFInfo
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- CN107429879A CN107429879A CN201680019860.7A CN201680019860A CN107429879A CN 107429879 A CN107429879 A CN 107429879A CN 201680019860 A CN201680019860 A CN 201680019860A CN 107429879 A CN107429879 A CN 107429879A
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- foregoing
- intermediate medium
- cold
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- liquefied gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
- F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
- F17C9/04—Recovery of thermal energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A kind of cold and heat recovery gas evaporators, possesses shell, intermediate medium evaporation part, liquefied gas at low temp evaporation part, refrigerant cooling end, foregoing shell can load intermediate medium, foregoing intermediate medium evaporation part makes intermediate medium and the heat source medium heat exchange of liquid phase, thus evaporate at least a portion of the intermediate medium, foregoing liquefied gas at low temp evaporation part makes the intermediate medium and liquefied gas at low temp heat exchange in the evaporation of intermediate medium evaporation part, thus gasifying liquefied gas at low temp is made, foregoing refrigerant cooling end is configured in shell, make intermediate medium and refrigerant heat exchange, thus the refrigerant is cooled down.
Description
Technical field
Cold and hot time of the band the present invention relates to cold and heat recovery gas evaporators and using the cold and heat recovery gas evaporators
Receive the gas vapo rizer of function.
Background technology
Conventionally, there is known a kind of gas vapo rizer with cold and heat recovery function, the gas of aforementioned strip cold and heat recovery function
Gasification installation makes the gasifying liquefied gas at low temp such as liquefied natural gas (LNG) using intermediate medium (propane etc.), and via centre
Medium reclaims to the cold and hot energy of liquefied gas at low temp.For example, in patent document 1, a kind of open band cold and heat recovery work(
Can gas vapo rizer, the gas vapo rizer of aforementioned strip cold and heat recovery function possess gas evaporators, intermediate medium stream,
Circulating pump, refrigerant circulation circuit, refrigerant heat exchanger for cooling, These gases gasifier make low-temperature liquid gas using intermediate medium
Body gasifies, and foregoing circulating pump is arranged at intermediate medium stream, and foregoing refrigerant circulation circuit supplies refrigerant circulation, foregoing refrigerant cooling
Refrigerant is cooled down with heat exchanger medium intermediate medium.
Gas evaporators have shell, intermediate medium, intermediate medium evaporation heat-transfer pipe, the heat transfer of low-temperature liquid gas evacuator body
Pipe, foregoing intermediate medium is filled in shell, and foregoing intermediate medium evaporation heat-transfer pipe is by making the intermediate medium and heat of liquid phase
Source medium heat exchange evaporates at least a portion of the intermediate medium, and foregoing low-temperature liquid gas evacuator body heat-transfer pipe is by making
The intermediate medium of gas phase and liquefied gas at low temp heat exchange make the gasifying liquefied gas at low temp.Intermediate medium evaporation heat-transfer pipe
The position for the intermediate medium for being dipped in liquid phase being configured in shell.Low-temperature liquid gas evacuator body is configured in shell with heat-transfer pipe
Than the position of the liquid level (space existing for the intermediate medium of gas phase) by the top of the intermediate medium of liquid phase.
Intermediate medium stream is will to be taken out by low-temperature liquid gas evacuator body with the liquefied intermediate medium of heat-transfer pipe to shell
Outside makes the intermediate medium be back to the stream in shell.The intermediate medium of liquid phase is sent under intermediate medium stream by circulating pump
Swim side.
Refrigerant heat exchanger for cooling is connected to intermediate medium stream and refrigerant circulation circuit.Refrigerant cooling heat exchange
Device is by the intermediate medium for making to flow in intermediate medium stream and the refrigerant heat exchange circulated in refrigerant circulation circuit come cold
But refrigerant, foregoing intermediate medium stream are present in the outside of the shell of gas evaporators.That is, the cold and hot energy warp of liquefied gas at low temp
Reclaimed by intermediate medium by refrigerant in the refrigerant heat exchanger for cooling being arranged at outside shell.
In the gas vapo rizer with cold and heat recovery function for being described in above-mentioned patent document 1, as via
The equipment of the cold and hot energy of intermediate medium recovery liquefied gas at low temp is, it is necessary to which intermediate medium stream, circulating pump and refrigerant cooling are used
Heat exchanger, and they are arranged at the outside of shell, and construction is complicated.Accordingly, it is difficult to reduce cost.
Patent document 1:Japanese Unexamined Patent Publication 2015-10683 publications.
The content of the invention
It is an object of the invention to provide a kind of cold and heat recovery with gas evaporators and to use the cold and heat recovery gas vaporization
The gas vapo rizer with cold and heat recovery function of device, it can make gasifying liquefied gas at low temp by simply constructing, and
Reclaim the cold and hot energy that the liquefied gas at low temp has.
It is used to make gasifying liquefied gas at low temp according to the cold and heat recovery gas evaporators of a scheme of the invention, and reclaims
The cold and hot energy of the liquefied gas at low temp, possess shell, intermediate medium evaporation part, liquefied gas at low temp evaporation part, refrigerant cooling end,
Foregoing shell can load intermediate medium, and foregoing intermediate medium evaporation part makes intermediate medium and the heat source medium heat exchange of liquid phase, by
This evaporates at least a portion of the intermediate medium, and medium evaporation part is steamed between foregoing liquefied gas at low temp evaporation part makes in the preamble
Foregoing intermediate medium and the liquefied gas at low temp heat exchange of hair, thus makes the gasifying liquefied gas at low temp, foregoing refrigerant cooling end
It is configured in foregoing shell, makes foregoing intermediate medium and refrigerant heat exchange, thus cool down the refrigerant.
In addition, foregoing cold and heat recovery is possessed according to the gas vapo rizer with cold and heat recovery function of the scheme of the present invention
With gas evaporators, heat source medium supply line, liquefied gas at low temp supply line, liquefied gas at low temp recovery stream, cold and hot
Loop is reclaimed, foregoing heat source medium supply line is used to supply foregoing heat source medium to foregoing intermediate medium evaporation part, foregoing low
Warm liquefied gas supplying stream is used to supply foregoing liquefied gas at low temp, foregoing Low Temperature Liquid to foregoing liquefied gas at low temp evaporation part
Change gas recovery stream to be used to reclaim the liquefied gas at low temp in the gasification of foregoing liquefied gas at low temp evaporation part, foregoing cold and heat recovery
Loop from foregoing refrigerant cooling end by with foregoing intermediate medium heat exchange and the cooled cold and hot energy of refrigerant recovering.
Brief description of the drawings
Fig. 1 is the band cold and heat recovery function for the cold and heat recovery gas evaporators for representing to possess one embodiment of the present invention
Gas vapo rizer structure overview figure.
Fig. 2 is the sectional view of cold and heat recovery gas evaporators.
Fig. 3 is the top view of intermediate medium evaporation part and refrigerant cooling end.
Fig. 4 is the sectional view of the variation of cold and heat recovery gas evaporators.
Fig. 5 is the sectional view of the variation of cold and heat recovery gas evaporators.
Embodiment
Hereinafter, referring to the drawings, while to the preferred embodiment of the present invention illustrate.
In Fig. 1, the gas vapo rizer with cold and heat recovery function of one embodiment of the present invention is illustrated.The present apparatus
By making the liquefied natural gas (LNG) for being used as liquefied gas at low temp gasify to obtain natural gas (NG), and liquefaction can be reclaimed
The cold and hot energy of natural gas.In addition, the present apparatus is not limited to liquefied natural gas, also can be by low temperature such as ethene, liquefaction oxygen, liquid nitrogens
Gasifying liquefied gas.
Gas vapo rizer with cold and heat recovery function has cold and heat recovery gas evaporators 10, heat source medium supply stream
Road 32, heat source medium discharge duct 34, liquefied gas at low temp supply line 36, liquefied gas at low temp recovery stream 38, cold and hot time
Withdraw road 40.
Cold and heat recovery gas evaporators 10 are to be used to make gasifying liquefied gas at low temp and reclaim the liquefied gas at low temp
Cold and hot equipment.Cold and heat recovery gas evaporators 10 have shell 12, intermediate medium 14, intermediate medium evaporation part E1, low
Warm liquid gas evaporation part E2, refrigerant cooling end E4.That is, the cold and heat recovery gas evaporators 10 are the gasifications of intermediate medium formula
Device.In the present embodiment, propane is used as intermediate medium 14.But intermediate medium 14 is not limited to propane.Intermediate medium 14
Evaporate and will not solidify (the boiling point medium lower than the temperature of air) at conventional temperature (low temperature) at normal temperatures.Example
Such as, as intermediate medium 14, in addition to propane, propylene, fluorohydrocarbon substitute can also be used.
Shell 12 can load intermediate medium 14.Intermediate medium evaporation part E1 is configured with shell 12, liquefied gas at low temp steams
Hair portion E2 and refrigerant cooling end E4.In the present embodiment, shell 12 has cylindric main part 12a, is connected to main part
The discoideus side plate 12b at 12a axial both ends.Intermediate medium 14 is loaded into the shell 12.
During intermediate medium evaporation part E1 is made by making intermediate medium 14 and the heat source medium heat exchange of liquid phase in shell 12
Between medium 14 at least a portion evaporation.As shown in Figures 1 and 2, intermediate medium evaporation part E1 is configured in being dipped in shell 12
The position of the intermediate medium 14 of liquid phase.Specifically, intermediate medium evaporation part E1 is configured in the center position on the lower than shell 12
Put.In the present embodiment, intermediate medium evaporation part E1 has multiple heat-transfer pipes.One end 16a and the other end of these heat-transfer pipes
16b is located at outside shell 12.In addition, in fig. 2, represent the profile of multiple heating surface banks.
One end 16a for forming intermediate medium evaporation part E1 heat-transfer pipe is connected to for into intermediate medium evaporation part E1
The connection end 32a of the heat source medium supply line 32 of heat source medium is supplied, forms intermediate medium evaporation part E1 heat-transfer pipe
Other end 16b is connected to the connection for the heat source medium discharge duct 34 from intermediate medium evaporation part E1 discharge heat source mediums
End 34a.Heat source medium pump 33 is provided with heat source medium supply line 32.Heat source medium pump 33 is driven, thus thermal source
Medium is supplied to intermediate medium evaporation part E1 through heat source medium supply line 32.In intermediate medium evaporation part E1 and liquid phase
The heat exchange of intermediate medium 14 and cooled heat source medium is discharged from heat source medium discharge duct 34.In the present embodiment,
Seawater is used as heat source medium.But heat source medium is not limited to seawater.
Open and close valve V1 is provided with heat source medium discharge duct 34.Open and close valve V1 aperture is adjusted portion 13 and adjusted.Adjust
Whole 13 are maintained in given area with the pressure (detected value for being arranged at the pressure sensor 13a of shell 12) in shell 12
Mode adjusts open and close valve V1 aperture.In addition, adjustment portion 13 can also be maintained at pressure sensor 13a detected value it is set
In the range of mode, do not adjust open and close valve V1 aperture but the rotating speed of adjustment heat source medium pump 33.In addition, adjustment portion 13 also may be used
Open and close valve V1 aperture is adjusted in a manner of being maintained at by the temperature in shell 12 in given area.In this case, on shell 12,
Substitute pressure sensor 13a and temperature sensor is set, detected value adjustment open and close valve of the adjustment portion 13 based on the temperature sensor
V1 aperture.
As shown in Fig. 2 in the present embodiment, intermediate medium evaporation part E1 is supported in supporting member 17.Supporting member
17 are supported in the position for the intermediate medium 14 that intermediate medium evaporation part E1 is dipped in liquid phase.Supporting member 17 has multiple supportings
Plate, aforesaid plurality of support plate are made up of flat part respectively, are configured to the interval on the direction of heat-transfer pipe extension.Support
Part 17 (each support plate) is fixed in the main part 12a of shell 12 inner peripheral surface.On supporting member 17 (each support plate), formed
There are the multiple inserting holes that each heat-transfer pipe for forming intermediate medium evaporation part E1 can be inserted.
Liquefied gas at low temp evaporation part E2 make in shell 12 by intermediate medium evaporation part E1 and heat source medium heat exchange and
The intermediate medium 14 of the gas phase of evaporation and liquefied gas at low temp heat exchange, thus make the gasifying liquefied gas at low temp.In detail,
Liquefied gas at low temp in the E2 of liquefied gas at low temp evaporation part, by the condensation heat of the intermediate medium 14 of gas phase supply and gas
Change.As shown in Figures 1 and 2, liquefied gas at low temp evaporation part E2 is configured in the liquid of the intermediate medium 14 of the ratio liquid phase in shell 12
The position (space existing for the intermediate medium 14 of gas phase) of face by the top.Specifically, liquefied gas at low temp evaporation part E2 is configured
Into the center than shell 12 by the top.In the present embodiment, liquefied gas at low temp evaporation part E2 is made up of multiple heat-transfer pipes.These
One end 18a and other end 18b of heat-transfer pipe are located at outside shell 12.In addition, the profile of the beam of multiple heat-transfer pipes is represented in fig. 2.
One end 18a for forming liquefied gas at low temp evaporation part E2 heat-transfer pipe is connected to, for liquefied gas at low temp
The connection end 36a of the liquefied gas at low temp supply line 36 of supply liquefied gas at low temp, forms low-temperature liquefaction in the E2 of evaporation part
The other end 18b of gas evaporation portion E2 heat-transfer pipe is connected to, and is gasified for reclaiming at the E2 of liquefied gas at low temp evaporation part
Gas liquefied gas at low temp recovery stream 38 connection end 38a.That is, liquefied gas at low temp supplies through liquefied gas at low temp
Liquefied gas at low temp evaporation part E2 is supplied to stream 36, with being situated between among gas phase at the E2 of the liquefied gas at low temp evaporation part
The heat exchange of matter 14 and the liquefied gas at low temp that gasifies is recovered through liquefied gas at low temp recovery stream 38.
Flow rate regulating valve V2 is provided with liquefied gas at low temp supply line 36.Flow rate regulating valve V2 aperture is adjusted
Whole 37 adjustment.Flow of the adjustment portion 37 based on the liquefied gas at low temp flowed in liquefied gas at low temp supply line 36 (is set
It is placed in the flow sensor 37a of liquefied gas at low temp supply line 36 detected value), adjustment flow rate regulating valve V2 aperture.
Heat exchanger E3 is provided with liquefied gas at low temp recovery stream 38, aforesaid heat exchangers E3 makes from low-temperature liquefaction
The liquefied gas at low temp of gas evaporation portion E2 outflows and heat source medium heat exchange, thus heat liquefied gas at low temp (heating).
In the present embodiment, seawater is used as the heat source medium for being supplied to heat exchanger E3.But the heat source medium is not
It is limited to seawater.In addition, as the heat source medium for being supplied to heat exchanger E3, can also use from heat source medium supply line
What the heat source medium flowed in 32 partly diverged.In addition, heat source medium temperature can also omit heat exchanger E3 when higher.
Refrigerant cooling end E4 makes intermediate medium 14 and refrigerant heat exchange cool down the refrigerant in shell 12.Such as Fig. 1 and Fig. 2
Shown, in the present embodiment, refrigerant cooling end E4 is configured in the position (ratio of the intermediate medium 14 for being dipped in liquid phase in shell 12
The center of shell 12 is on the lower).Therefore, the heat exchange of the intermediate medium 14 and refrigerant of liquid phase is carried out in refrigerant cooling end E4.In detail
Carefully say, at refrigerant cooling end E4, refrigerant is captured heat of gasification and be cooled by the intermediate medium 14 of liquid phase.That is, in refrigerant and
The heat exchange of the latent heat using intermediate medium is carried out between the intermediate medium 14 of liquid phase.In the present embodiment, as refrigerant, make
Use salt solution.But refrigerant is not limited to salt solution.
As shown in Fig. 2 refrigerant cooling end E4 is supported in the refrigerant cooling end support 17a of supporting member 17.Refrigerant is cold
But refrigerant cooling end E4 is supported on than intermediate medium evaporation part E1 by the top and is dipped in the intermediate medium of liquid phase by portion's support 17a
14 position.Refrigerant cooling end support 17a has from the upper of the supporting intermediate medium evaporation part E1 of supporting member 17 position
The shape that end protrudes upward, refrigerant cooling end E4 is supported from below.
As shown in figure 3, refrigerant cooling end E4 has multiple heat-transfer pipes 22, the 1st collection for making refrigerant be allocated in each heat-transfer pipe 22
Pipe 23, the 2nd collector 24 for collaborating the refrigerant by each heat-transfer pipe 22.The inflow end 23a and the 2nd collector 24 of 1st collector 23
Outflow end 24a be located at outside shell 12.
Cold and heat recovery loop 40 is to be returned from refrigerant cooling end E4 with the heat exchange of intermediate medium 14 and cooled refrigerant
Receive the loop of cold and hot energy.Cold and heat recovery loop 40 has cold and heat recovery portion 42 and refrigerant circulation stream 44.
Cold and heat recovery portion 42 is configured in the equipment (freezer etc.) of the cold and hot energy using refrigerant recovering.As cold and hot
Recoverer 42, such as lift and be configured in exemplified by the heat exchanger in aforementioned device.
Refrigerant circulation stream 44 is in a manner of refrigerant circulates between refrigerant cooling end E4 and cold and heat recovery portion 42 by refrigerant
Cooling end E4 and cold and heat recovery portion 42 connect.Specifically, the 1st connection end 44a of refrigerant circulation stream 44 is connected to the 1st collection
The inflow end 23a of pipe 23, the 2nd connection end 44b of refrigerant circulation stream 44 are connected to the outflow end of the 2nd collector 24
24a.On the refrigerant circulation stream 44, it is provided with and the refrigerant flowed out from cold and heat recovery portion 42 is delivered into the cold of refrigerant cooling end E4
Matchmaker's pump 46.In addition, in the refrigerant cooling end E4 of refrigerant circulation stream 44 downstream and the portion of the upstream side in cold and heat recovery portion 42
Position is provided with flow rate regulating valve V3.Flow rate regulating valve V3 aperture is adjusted portion 47 and adjusted.Adjustment portion 47 is with foregoing cold and hot energy
Amount is in given area using the temperature (being arranged at the detected value using the temperature sensor 47a of equipment) in equipment
Mode adjust flow rate regulating valve V3 aperture.In addition, adjustment portion 47 is passed based on the flow for being arranged at refrigerant circulation stream 44
Flow rate regulating valve V3 aperture is micro-adjusted sensor 47b detected value.
In the present embodiment, the bypass stream for bypassing refrigerant cooling end E4 is provided with refrigerant circulation stream 44
48.Triple valve V4 is provided with the connecting portion of the end in the downstream of the bypass stream 48 and refrigerant circulation stream 44.Threeway
Valve V4 can adjust the influx that refrigerant flows into from refrigerant circulation stream 44 to bypass stream 48.Triple valve V4 aperture is adjusted
Whole 49 adjustment.(refrigerant flows into the adjustment triple valve of adjustment portion 49 V4 aperture from refrigerant circulation stream 44 to bypass stream 48
Influx) so that the temperature of the refrigerant of the upstream side in cold and heat recovery portion 42 (is arranged at the refrigerant cooling of refrigerant circulation stream 44
The temperature sensor 49a at the position between portion E4 and cold and heat recovery portion 42 detected value) in certain limit.Specifically, if
The influx increase for making refrigerant be flowed into from refrigerant circulation stream 44 to bypass stream 48, then the refrigerant cooling end E4 of refrigerant goes out cold
But amount is reduced, so temperature sensor 49a detected value increase, if conversely, making refrigerant from refrigerant circulation stream 44 to by-pass
The influx that road 48 flows into is reduced, then the amount of cooling water increase at the refrigerant cooling end E4 of refrigerant, so temperature sensor 49a inspection
Measured value declines.
It is as described above, cooled down in the cold and heat recovery of present embodiment with the refrigerant in gas evaporators 10, cooling down refrigerant
Portion E4 is configured in shell 12.Therefore, via intermediate medium 14 the liquefied gas at low temp based on refrigerant cold and hot energy return
Receive and carried out in shell 12.It therefore, there is no need to such equipment in the past, i.e. need not be low in order to be reclaimed via intermediate medium 14
The cold and hot energy of warm liquid gas and be arranged at the equipment outside shell 12.Thus, by being wrapped relative to refrigerant cooling end E4 connections
The cold and heat recovery loop 40 of the utilization equipment (freezer etc.) of cold and hot energy is included, the cold and heat recovery portion 42 in equipment is utilized at this,
The cold and hot energy that refrigerant can be utilized to be reclaimed via intermediate medium 14 from liquefied gas at low temp.
In addition, in the present embodiment, refrigerant cooling end E4 is configured in the intermediate medium 14 for being dipped in liquid phase in shell 12
Position, so refrigerant cooling end E4 carry out liquid phase intermediate medium 14 and refrigerant heat exchange.Specifically, refrigerant pass through by
The intermediate medium 14 of liquid phase is captured heat of gasification and is cooled.That is, in being utilized between refrigerant and the intermediate medium of liquid phase 14
Between medium latent heat heat exchange, so via the liquefied gas at low temp based on refrigerant of intermediate medium 14 cold and hot energy return
Rate of producing effects improves.
In addition, in the present embodiment, supporting intermediate medium evaporation part E1 supporting member 17 has supporting refrigerant cooling
Portion E4 refrigerant cooling end support 17a.Therefore, the intermediate medium for being dipped in liquid phase using intermediate medium evaporation part E1 is supported on
The supporting member 17 of 14 position, refrigerant cooling end E4 can be also supported on to the position for the intermediate medium 14 for being dipped in liquid phase.
In addition, it is considered that current disclosed embodiment is all only to illustrate and nonrestrictive in all aspects.This hair
Bright scope is not by the explanation of above-mentioned embodiment and represented by claims, and then including being equal with claims
All changes in implication and scope.
For example, or, refrigerant cooling end support 17a supports refrigerant cooling end E4 so that cold as shown in Figure 4
Matchmaker's cooling end E4 is located at liquefied gas at low temp evaporation part E2 lower section and is located at the liquid level of the intermediate medium 14 than liquid phase by the top
Position.In this case, it is preferred that refrigerant cooling end E4 is formed as, in by liquefied gas at low temp evaporation part E2 project to
The shape in perspective plane during horizontal plane.In which, it is situated between among the liquid phase dripped from liquefied gas at low temp evaporation part E2
The heat exchange of the latent heat using intermediate medium is carried out between matter 14 and refrigerant, and in the liquid level with the intermediate medium 14 than liquid phase
The heat exchange using sensible heat is carried out between the intermediate medium 14 and refrigerant of existing gas phase by the top.Therefore, it is situated between via centre
The organic efficiency of the cold and hot energy of the liquefied gas at low temp based on refrigerant of matter 14 improves, and then, refrigerant cooling end E4 has place
Shape in liquefied gas at low temp evaporation part E2 perspective plane, so the big footpath of shell 12 can be avoided.
Or as shown in figure 5, refrigerant cooling end E4 can also be configured in liquefied gas at low temp evaporation part E2 in level
Overlapping position on direction.For example, refrigerant cooling end E4 is fixed in supporting station 17b, foregoing supporting station 17b can be cold by refrigerant
But portion E4 is supported on the position overlapping in the horizontal direction with liquefied gas at low temp evaporation part E2.In which, than liquid phase
The liquid level of intermediate medium 14 carries out the heat exchange using sensible heat by the top between the intermediate medium 14 and refrigerant of existing gas phase.
Also, in which, the heat exchange of the sensible heat using intermediate medium is carried out between refrigerant and the intermediate medium of gas phase, so cold
The organic efficiency step-down of thermal energy, but with refrigerant cooling end E4 and liquefied gas at low temp evaporation part E2 in vertical it is overlapping
Situation is compared, and does not check that each heat exchange department in vertical is (liquefied gas at low temp evaporation part, intermediate medium evaporation part, cold
Matchmaker's cooling end) presence of interference necessity.
In addition, the position of the refrigerant cooling end E4 in shell 12 is not limited to by refrigerant cooling end support 17a, supporting station 17b
Defined position.The position of refrigerant cooling end E4 in shell 12 can also be consolidated by the refrigerant cooling end E4 by welding etc.
It is prescribed due to the main part 12a of shell 12 inner peripheral surface.
Here, above-mentioned embodiment is summarized.
The cold and heat recovery gas evaporators of above-mentioned embodiment are used to make gasifying liquefied gas at low temp, and it is low to reclaim this
The cold and hot energy of warm liquid gas, possess shell, intermediate medium evaporation part, liquefied gas at low temp evaporation part, refrigerant cooling end, it is foregoing
Shell can load intermediate medium, and foregoing intermediate medium evaporation part makes intermediate medium and the heat source medium heat exchange of liquid phase, thus made
The intermediate medium at least a portion evaporation, between foregoing liquefied gas at low temp evaporation part makes in the preamble medium evaporation part by with
The intermediate medium for the gas phase that foregoing heat source medium carries out heat exchange and evaporated and liquefied gas at low temp heat exchange, thus make the low temperature
Gasifying liquefied gas, foregoing refrigerant cooling end are configured in foregoing shell, make foregoing intermediate medium and refrigerant heat exchange, thus cold
But the refrigerant.
It is configured in this cold and heat recovery with the refrigerant cooling end in gas evaporators, cooling down refrigerant in shell, in other words,
The recovery of the cold and hot energy of the liquefied gas at low temp based on refrigerant via intermediate medium is carried out in shell, thus need not in the past that
The equipment of sample, i.e., it need not be used to be arranged at outside shell to reclaim the cold and hot energy of liquefied gas at low temp via intermediate medium
Equipment.Include the cold and heat recovery loop of the utilization equipment (freezer etc.) of cold and hot energy accordingly, with respect to the connection of refrigerant cooling end,
Thus equipment is utilized at this, the cold and hot energy that refrigerant can be utilized to be reclaimed via intermediate medium from liquefied gas at low temp.
In foregoing cold and heat recovery gas evaporators, foregoing refrigerant cooling end can also be configured in the leaching in foregoing shell
In the position of the intermediate medium of liquid phase.
In which, the heat exchange of the intermediate medium and refrigerant of liquid phase is carried out.Specifically, refrigerant passes through by the centre of liquid phase
Medium is captured heat of gasification and is cooled.That is, carry out utilizing the latent heat of intermediate medium between refrigerant and the intermediate medium of liquid phase
Heat exchange, so being improved via the organic efficiency of the cold and hot energy of the liquefied gas at low temp based on refrigerant of intermediate medium.
Supporting member is also equipped with preferably, in this case, and foregoing supporting member supports foregoing intermediate medium evaporation part
In the position for the intermediate medium for being dipped in foregoing liquid phase, foregoing supporting member has the refrigerant cooling end for supporting foregoing refrigerant cooling end
Support.
So, the supporting member for the position that intermediate medium evaporation part is supported on to the intermediate medium for being dipped in liquid phase, energy are utilized
Enough positions that refrigerant cooling end is also supported on to the intermediate medium for being dipped in liquid phase.
In addition it is also possible to be, in foregoing cold and heat recovery gas evaporators, foregoing refrigerant cooling end quilt in foregoing shell
The lower section of foregoing liquefied gas at low temp evaporation part is configured at, and has and will be projected in foregoing liquefied gas at low temp evaporation part to water
The shape in perspective plane during plane.
In which, the heat friendship of the intermediate medium and refrigerant of the liquid phase dripped from liquefied gas at low temp evaporation part is at least carried out
Change, so improved via the organic efficiency of the cold and hot energy of the liquefied gas at low temp based on refrigerant of intermediate medium, and then, refrigerant
Cooling end has the shape in the perspective plane in liquefied gas at low temp evaporation part, so the maximization of shell can be avoided.
In addition, the gas vapo rizer with cold and heat recovery function of above-mentioned embodiment possesses foregoing cold and heat recovery gas
Gasifier, heat source medium supply line, liquefied gas at low temp supply line, liquefied gas at low temp recovery stream, cold and heat recovery return
Road, foregoing heat source medium supply line are used to supply foregoing heat source medium, foregoing low-temperature liquefaction to foregoing intermediate medium evaporation part
Gas supply line is used to supply foregoing liquefied gas at low temp, foregoing liquefied gas at low temp to foregoing liquefied gas at low temp evaporation part
Reclaim stream be used for reclaim foregoing liquefied gas at low temp evaporation part gasification liquefied gas at low temp, foregoing cold and heat recovery loop from
In foregoing refrigerant cooling end by carrying out heat exchange with foregoing intermediate medium and the cooled cold and hot energy of refrigerant recovering.
Claims (5)
1. a kind of cold and heat recovery gas evaporators, foregoing cold and heat recovery gas evaporators are used to make liquefied gas at low temp gas
Change, and reclaim the cold and hot energy of the liquefied gas at low temp, it is characterised in that
Possess shell, intermediate medium evaporation part, liquefied gas at low temp evaporation part, refrigerant cooling end,
Foregoing shell can load intermediate medium,
Foregoing intermediate medium evaporation part makes intermediate medium and the heat source medium heat exchange of liquid phase, thus makes the intermediate medium at least
Part evaporation,
The foregoing intermediate medium and low-temperature liquefaction that medium evaporation part is evaporated between foregoing liquefied gas at low temp evaporation part makes in the preamble
Gas heat exchange, thus make the gasifying liquefied gas at low temp,
Foregoing refrigerant cooling end is configured in foregoing shell, is made foregoing intermediate medium and refrigerant heat exchange, is thus cooled down the refrigerant.
2. cold and heat recovery gas evaporators as claimed in claim 1, it is characterised in that
Foregoing refrigerant cooling end is configured in the position of the intermediate medium for being dipped in liquid phase in foregoing shell.
3. cold and heat recovery gas evaporators as claimed in claim 2, it is characterised in that
Supporting member is also equipped with, foregoing intermediate medium evaporation part is supported on middle Jie for being dipped in foregoing liquid phase by foregoing supporting member
The position of matter,
Foregoing supporting member has the refrigerant cooling end support for supporting foregoing refrigerant cooling end.
4. cold and heat recovery gas evaporators as claimed any one in claims 1 to 3, it is characterised in that
Foregoing refrigerant cooling end is configured in the lower section of foregoing liquefied gas at low temp evaporation part in foregoing shell, and will with being in
Foregoing liquefied gas at low temp evaporation part is projected to the shape in perspective plane during horizontal plane.
A kind of 5. gas vapo rizer with cold and heat recovery function, it is characterised in that
Possess heat source medium supply line, liquefied gas at low temp supply line, liquefied gas at low temp recovery stream, cold and heat recovery to return
Cold and heat recovery gas evaporators described in road, claim 1,
Foregoing heat source medium supply line is used to supply foregoing heat source medium to foregoing intermediate medium evaporation part,
Foregoing liquefied gas at low temp supply line is used to supply foregoing liquefied gas at low temp to foregoing low-temperature liquid gas evacuator body
Portion,
Foregoing liquefied gas at low temp recovery stream is used to reclaim the low-temperature liquefaction to gasify at foregoing liquefied gas at low temp evaporation part
Gas,
Foregoing cold and heat recovery loop from foregoing refrigerant cooling end by with foregoing intermediate medium heat exchange and cooled refrigerant
Reclaim cold and hot energy.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015071687A JP6419629B2 (en) | 2015-03-31 | 2015-03-31 | Gas vaporizer for cold recovery |
| JP2015-071687 | 2015-03-31 | ||
| PCT/JP2016/059187 WO2016158610A1 (en) | 2015-03-31 | 2016-03-23 | Cryogenic energy recovering gas vaporizer, and gas vaporizing apparatus with cryogenic energy recovering function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107429879A true CN107429879A (en) | 2017-12-01 |
| CN107429879B CN107429879B (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680019860.7A Active CN107429879B (en) | 2015-03-31 | 2016-03-23 | Cold and heat recovery gas evaporators and gas vapo rizer with cold and heat recovery function |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6419629B2 (en) |
| CN (1) | CN107429879B (en) |
| WO (1) | WO2016158610A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI695139B (en) * | 2018-03-30 | 2020-06-01 | 日商神戶製鋼所股份有限公司 | LNG gasification system |
| TWI792015B (en) * | 2019-07-02 | 2023-02-11 | 日商神戶製鋼所股份有限公司 | Liquefied natural gas vaporizer and cold water supply method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839630A (en) * | 2023-02-20 | 2023-03-24 | 杭氧集团股份有限公司 | Cold energy recovery is with getting cold heat exchanger |
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| CN1319739A (en) * | 2000-01-18 | 2001-10-31 | 株式会社神户制钢所 | Intermediate fluid type carburetor |
| CN101346274A (en) * | 2005-12-28 | 2009-01-14 | 瓦特西拉芬兰有限公司 | Arrangement for and method of providing cooling energy to a cooling medium circuit of a marine vessel |
| JP2011179534A (en) * | 2010-02-26 | 2011-09-15 | Daikin Applied Systems Co Ltd | Method of producing freezing medium using intermediate medium type carburetor, and freezing medium supply destination facility |
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| JP4185284B2 (en) * | 2002-01-18 | 2008-11-26 | 東京瓦斯株式会社 | Hydrogen supply device using LNG |
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- 2015-03-31 JP JP2015071687A patent/JP6419629B2/en active Active
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2016
- 2016-03-23 CN CN201680019860.7A patent/CN107429879B/en active Active
- 2016-03-23 WO PCT/JP2016/059187 patent/WO2016158610A1/en active Application Filing
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| CN1319739A (en) * | 2000-01-18 | 2001-10-31 | 株式会社神户制钢所 | Intermediate fluid type carburetor |
| CN101346274A (en) * | 2005-12-28 | 2009-01-14 | 瓦特西拉芬兰有限公司 | Arrangement for and method of providing cooling energy to a cooling medium circuit of a marine vessel |
| JP2011179534A (en) * | 2010-02-26 | 2011-09-15 | Daikin Applied Systems Co Ltd | Method of producing freezing medium using intermediate medium type carburetor, and freezing medium supply destination facility |
| JP2015010683A (en) * | 2013-07-01 | 2015-01-19 | 株式会社神戸製鋼所 | Gas vaporizer with cold heat recovery function and cold heat recovery device |
| CN204026130U (en) * | 2014-06-18 | 2014-12-17 | 航天晨光股份有限公司 | A kind of improved LNG central fluid vaporizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI695139B (en) * | 2018-03-30 | 2020-06-01 | 日商神戶製鋼所股份有限公司 | LNG gasification system |
| TWI792015B (en) * | 2019-07-02 | 2023-02-11 | 日商神戶製鋼所股份有限公司 | Liquefied natural gas vaporizer and cold water supply method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016158610A1 (en) | 2016-10-06 |
| CN107429879B (en) | 2019-08-13 |
| JP2016191424A (en) | 2016-11-10 |
| JP6419629B2 (en) | 2018-11-07 |
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