CN107923575A - Intermediate medium formula gas vapo rizer - Google Patents
Intermediate medium formula gas vapo rizer Download PDFInfo
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- CN107923575A CN107923575A CN201680048354.0A CN201680048354A CN107923575A CN 107923575 A CN107923575 A CN 107923575A CN 201680048354 A CN201680048354 A CN 201680048354A CN 107923575 A CN107923575 A CN 107923575A
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- Prior art keywords
- foregoing
- intermediate medium
- pattern
- medium
- heat source
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Classifications
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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
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/10—Arrangements for preventing freezing
-
- 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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
-
- 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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0302—Heat exchange with the fluid by heating
- F17C2227/0309—Heat exchange with the fluid by heating using another fluid
- F17C2227/0311—Air heating
- F17C2227/0313—Air heating by forced circulation, e.g. using a fan
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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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0439—Temperature
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0689—Methods for controlling or regulating
Abstract
A kind of intermediate medium formula gas vapo rizer, possesses：Gasifier（E2）, it makes at least a portion of liquefied gas at low temp gasify by making liquefied gas at low temp and intermediate medium heat exchange；Evaporator（E1A）, it evaporates at least a portion of intermediate medium by making intermediate medium and air heat exchange；Intermediate medium evaporation part（E1B）, it is by making gasifier（E2）Interior intermediate medium and heat source medium heat exchange, evaporate at least a portion of intermediate medium.
Description
Technical field
The present invention relates to intermediate medium formula gas vapo rizer.
Background technology
Conventionally, there is known use intermediate medium（Propane etc.）Make liquefied natural gas body（LNG）Deng gasifying liquefied gas at low temp
Intermediate medium formula gas vapo rizer（IFV）.For example, in patent document 1, disclose a kind of intermediate medium formula gas gas
Makeup is put, it possesses gasifier and evaporator, and the gasifier is by making liquefied gas at low temp with having than the low-temperature liquid gas
The intermediate medium heat exchange of the high boiling point of the boiling point of body and make gasifying liquefied gas at low temp, the evaporator is by making intermediate medium
Intermediate medium is evaporated with air heat exchange.Gasifier is connected with evaporator by intermediate medium flow path so that intermediate medium exists
Circulated between them.Pump is equipped with the intermediate medium flow path.
In the intermediate medium formula gas vapo rizer, the gasification of liquefied gas at low temp is carried out as follows.That is, pass through
Assign heat to liquefied gas at low temp in gasifier and intermediate medium condenses, the intermediate medium of the liquid phase produced by the condensation via
Intermediate medium flow path flows into evaporator.The intermediate medium of liquid phase is evaporated by being heated by the air in evaporator, by the evaporation
The intermediate medium of the gas phase of generation is flowed into gasifier by intermediate medium flow path.Also, the intermediate medium of gas phase is right again
Liquefied gas at low temp assigns heat.
Intermediate medium formula gas vapo rizer described in patent document 1, which is used air as, is situated between centre in evaporator
Matter adds hot medium, so there is the use at cold place to become difficult situation.That is, in cold place, have in evaporator
The heating amount of the intermediate medium brought by air（The heating amount of the liquefied gas at low temp brought by intermediate medium in gasifier）
The situation of deficiency.
Patent document 1：Japanese Unexamined Patent Publication 2013-32836 publications.
The content of the invention
The object of the present invention is to provide a kind of intermediate medium formula gas vaporization that also can be stably operated in cold place
Device.
The intermediate medium formula gas vapo rizer of the technical solution of the present invention is followed, is to make Low Temperature Liquid using intermediate medium
Change the intermediate medium formula gas vapo rizer of gas vaporization, the intermediate medium has higher than the boiling point of the liquefied gas at low temp
Boiling point, possesses：Gasifier, it makes foregoing low-temperature liquefaction by making foregoing liquefied gas at low temp and foregoing intermediate medium heat exchange
At least a portion gasification of gas；Evaporator, it makes foregoing intermediate medium by making foregoing intermediate medium and air heat exchange
At least a portion is evaporated；Intermediate medium evaporation part, it is by making the foregoing intermediate medium in foregoing gasifier and heat source medium heat
Exchange, evaporate at least a portion of foregoing intermediate medium.
Brief description of the drawings
Fig. 1 is the figure of the outline of the structure for the gas vapo rizer for representing one embodiment of the present invention.
Fig. 2 is the flow chart for the control content for representing control unit.
Fig. 3 is the flow chart for the control content for representing control unit.
Embodiment
The intermediate medium formula gas vapo rizer of one embodiment of the present invention is illustrated with reference to Fig. 1~Fig. 3.In this
Between medium-type gas vapo rizer be the intermediate medium formula gas vapo rizer for making gasifying liquefied gas at low temp using intermediate medium
（IFV）, the intermediate medium has the boiling point higher than the boiling point of the liquefied gas at low temp.Filled in the intermediate medium formula gas vaporization
In putting, the heating of intermediate medium can be carried out by both air and heat source medium.In the present embodiment, as Low Temperature Liquid
Change gas and use liquefied natural gas body（LNG）, propane is used as intermediate medium.But liquefied gas at low temp can also
It is ethene, liquefaction oxygen, liquid nitrogen etc..In addition, intermediate medium is not limited to propane.
As shown in Figure 1, intermediate medium formula gas vapo rizer possesses gasifier E2, evaporator E1A, intermediate medium evaporation part
E1B, the 1st liquefied gas at low temp flow path 16A, the 2nd liquefied gas at low temp flow path 16B, circulation flow path 30, pump 32, heat source medium supply
To flow path 34 and control unit 50.
Gasifier E2 makes at least a portion of liquefied gas at low temp by making liquefied gas at low temp and intermediate medium heat exchange
Gasification.Gasifier E2 has liquefied gas at low temp heating part 10 and housing 12.
Liquefied gas at low temp heating part 10 is by making liquefied gas at low temp and intermediate medium heat exchange, by liquefied gas at low temp
Heating.In the present embodiment, liquefied gas at low temp heating part 10 is made of the heat conducting pipe for being formed as U-shaped.
Housing 12 accommodates liquefied gas at low temp heating part 10 and intermediate medium.Liquefied gas at low temp heating part 10 is configured in
Region existing for the intermediate medium of gas phase in housing 12.On the housing 12, it is connected to mutually by the entrance of divides
Room 13 and downstream chamber 14.Inlet chamber 13 is connected on one end of liquefied gas at low temp heating part 10 so that in the inlet chamber 13
With being connected in liquefied gas at low temp heating part 10.Downstream chamber 14 is connected on the other end of liquefied gas at low temp heating part 10,
So that with being connected in liquefied gas at low temp heating part 10 in the downstream chamber 14.In addition, the 1st liquefied gas at low temp flow path 16A is connected
It is connected in inlet chamber 13, the 2nd liquefied gas at low temp flow path 16B is connected in downstream chamber 14.Therefore, via the 1st low-temperature liquefaction
Gas flow path 16A is flowed into liquefied gas at low temp in inlet chamber 13 quilt during by liquefied gas at low temp heating part 10
After being present in the intermediate medium heating of the gas phase in housing 12, flowed by downstream chamber 14 to the 2nd liquefied gas at low temp flow path 16B
Go out.
Evaporator E1A evaporates at least a portion of intermediate medium by making intermediate medium and air heat exchange.Evaporator
E1A, which has, forms the fan 20 of air-flow, the motor 22 of driving fan 20 and intermediate medium heating part 26.
Fan 20 is configured in fan room 24.In the present embodiment, the posture of air-flow of the fan 20 with generation upward
It is configured in fan room 24.
Intermediate medium is heated by making intermediate medium and air-flow heat exchange intermediate medium heating part 26.In this embodiment party
In formula, intermediate medium heating part 26 is made of heat conducting pipe.Intermediate medium heating part 26 is configured in heat-exchanging chamber 28.Heat exchange
It is interconnected in room 28 and in fan room 24.Heat-exchanging chamber 28 is configured in from ground or sea by foot 29 and leaves upward
Position.Therefore, if fan 20 is driven, formed interior towards fan via heat-exchanging chamber 28 from the lower section of heat-exchanging chamber 28
The air-flow of the top of room 24.
Gasifier E2 is connected by circulation flow path 30 with evaporator E1A so that intermediate medium is in gasifier E2 and evaporator E1A
Between circulate.Specifically, circulation flow path 30 is formed as following such shape：Make the intermediate medium of liquid phase from gasifier E2's
The lower part of housing 12 is flowed out to outside housing 12, makes intermediate medium of the intermediate medium of gas phase or gas-liquid two-phase via evaporator E1A
Heating part 26 is flowed into from the top of housing 12 into housing 12.
The portion that the lower part by housing 12 that pump 32 is located in circulation flow path 30 is connected with one end of intermediate medium heating part 26
Position.Pump 32 sends out the intermediate medium of liquid phase towards evaporator E1A.
Intermediate medium evaporation part E1B makes middle Jie by making the intermediate medium in gasifier E2 and heat source medium heat exchange
At least a portion evaporation of matter.In the present embodiment, intermediate medium evaporation part E1B is made of heat conducting pipe.Intermediate medium evaporates
Portion E1B configures the position being dipped into the intermediate medium of liquid phase in housing 12.
On housing 12, it is connected to mutually by the thermal source inlet room 17 of divides and thermal source outlet room 18 and turns back
Room 19.Thermal source inlet room 17 is connected on one end of intermediate medium evaporation part E1B so that in the thermal source inlet room 17 and middle
Connection in the E1B of medium evaporation part.Thermal source outlet room 18 is connected on the other end of intermediate medium evaporation part E1B so that the heat
With being connected in the E1B of intermediate medium evaporation part in source downstream chamber 18.Room 19 of turning back is connected the centre of intermediate medium evaporation part E1B
Portion so that with being connected in the E1B of intermediate medium evaporation part in the room 19 of turning back.
Heat source medium supply line 34 is connected on thermal source inlet room 17 and thermal source outlet room 18.Therefore, via heat source
The heat source medium that medium supply line 34 is flowed into thermal source inlet room 17 will during by intermediate medium evaporation part E1B
After being present in the intermediate medium heating of the liquid phase in housing 12, flowed out from thermal source outlet room 18.In the present embodiment, heat source is situated between
Matter supply line 34 supplies warm water as heat source medium.But heat source medium is not limited to warm water.In the heat source medium supply stream
In road 34, equipped with the open and close valve V1 that can carry out aperture regulation.
In the present embodiment, warmer E3 is also equipped with, warmer E3 is by making the Low Temperature Liquid from gasifier E2 outflows
Change gas or gas and air heat exchange, liquefied gas at low temp or gas are heated.The construction of warmer E3 is with evaporator E1A's
Construct identical.On the heat conducting pipe 46 of warmer E3, the 2nd liquefied gas at low temp flow path 16B is connected to.
The intermediate medium formula gas vapo rizer can carry out the operating under multiple operation modes.Specifically, Duo Geyun
Rotary-die type includes empty warm pattern and with pattern, heat source medium pattern and defrosting pattern.The warm pattern of sky is following such pattern：
Without the heating of the intermediate medium brought by heat source medium in the E1B of intermediate medium evaporation part, and it is evaporated in device E1A
The heating of the intermediate medium brought by air.The sky is selected to warm up pattern in the higher state of atmospheric temperature.And it is with pattern
Such pattern below：And the heating with the intermediate medium brought by air in evaporator E1A and intermediate medium evaporation part
The heating of the intermediate medium brought by heat source medium in E1B.When atmospheric temperature is less high, only with evaporator E1A's
In the case of intermediate medium heating amount it is insufficient when selection pattern and should be used.Heat source medium pattern is following such pattern：Not into
The heating of the intermediate medium brought by air in row evaporator E1A, and carry out being situated between by heat source in the E1B of intermediate medium evaporation part
The heating for the intermediate medium that matter is brought.When atmospheric temperature is relatively low, less can expect in evaporator E1A by air band
The heat source medium pattern is selected during the heating of the intermediate medium come.Defrosting pattern is that the icing produced in evaporator E1A is thawed
Pattern.There occurs select the defrosting pattern when freezing in the intermediate medium heating part 26 for contemplating evaporator E1A.
Control unit 50 switches above-mentioned multiple operation modes.Control unit 50 switches each pattern according to atmospheric temperature etc..Hereinafter, join
Illustrate the specific control content of control unit 50 according to Fig. 2 and Fig. 3.
If starting the operating of the present apparatus, first, control unit 50 judge atmospheric temperature Tair be the 1st fiducial temperature T1 with
On state whether continue for given time（Such as 2 it is small when）More than（Step S11）.In addition, atmospheric temperature Tair be, for example, from
The present apparatus have left the temperature of the position of 20m~30m to side.In addition, the 1st fiducial temperature is for example set to 20 DEG C.
Also, it is that the state of more than the 1st fiducial temperature T1 continue for the situation of more than given time in atmospheric temperature Tair
Under, i.e., in the case where being the state that can fully ensure of heating amount of intermediate medium in evaporator E1A, control unit 50 is set
For the warm pattern of sky.That is, control unit 50 will pump 32 drivings, by the fan 20 of evaporator E1A（Motor 22）Driving, open and close valve V1 is closed
Close, the fan 40 of warmer E3 is driven（Step S12）.
Then, control unit 50 judges whether the pressure P in housing 12 is the 1st setting value P1（Such as 0.38MPaG）More than
（Step S13）.As a result, if aforementioned pressure P is less than the 1st setting value P1（It is no in step S13）, then control unit 50 improve evaporator
The rotating speed of the fan 20 of E1A（Step S14）, turn again to step S13.On the other hand, if aforementioned pressure P is the 1st setting value
More than P1（It is in step S13）, then control unit 50 turn again to beginning（Step S11）.In addition, the pressure P in housing 12 is by setting
Pressure sensor 51 on housing 12 detects.
Step S12 above~step S14 forms empty warm pattern.That is, under the warm pattern of sky, the rotating speed of fan 20 is adjusted,
So that the pressure P in housing 12 becomes the 1st setting value P1.
On the other hand, more than given time is not continued in the state that atmospheric temperature Tair is more than the 1st fiducial temperature T1
In the case of（In step S11 it is no in the case of）, control unit 50 judge atmospheric temperature Tair be it is more than 2nd fiducial temperature T2 less than
Whether the state of the 1st fiducial temperature T1 continue for given time（Such as 2 it is small when）More than（Step S15）.2nd fiducial temperature T2 is
The value lower than the 1st fiducial temperature T1, such as it is set to 10 DEG C.
Also, it is that states of more than the 2nd fiducial temperature T2 less than the 1st fiducial temperature T1 continue for both in atmospheric temperature Tair
In the case of the above of fixing time, control unit 50 judges whether the pressure P in housing 12 is the 2nd setting value P2（Such as 0.35MPaG）
More than（Step S16）.As a result, if aforementioned pressure P is more than 2nd setting value P2（It is in step S16）, then control unit 50 shift
To the warm pattern, that is, step S12 of sky.On the other hand, if aforementioned pressure P is less than the 2nd setting value P2（It is no in step S16）, i.e., only
In the case of the intermediate medium for the gas phase that cannot obtain the amount of full by the heating of the intermediate medium in evaporator E1A, control unit
50 are set to and use pattern.That is, control unit 50 will pump 32 drivings, and the fan 20 of evaporator E1A is driven, open and close valve V1 is opened,
The fan 40 of warmer E3 is stopped（Step S17）.Thus, heat source medium is supplied to intermediate medium evaporation part E1B, so housing
The evaporation of the intermediate medium of liquid phase in 12 or the evaporation of the intermediate medium in evaporator E1A are promoted, the pressure P in housing 12
Rise.
Then, control unit 50 judges the temperature T of the liquefied gas at low temp or gas from gasifier E2 outflowsNGWhether it is specific
Value α（Such as 5 DEG C）More than（Step S18）.If as a result, aforementioned temperature TNGLess than specific value alpha（It is no in step S18）, then control
Improve the aperture of open and close valve V1 in portion 50（Step S19）, turn again to step S18.On the other hand, if aforementioned temperature TNGIt is specific
More than value α（It is in step S18）, then the delivery temperature Te of the judgement evaporator of control unit 50 E1A is set value T0（Such as 0 DEG C）With
Under state whether continue for given time（Such as 2 it is small when）More than（Step S20）.In addition, aforementioned temperature TNGIt is low by being located at the 2nd
The temperature sensor 52 at the position between gasifier E2 and warmer E3 in warm liquid gas flow path 16B detects.It is in addition, preceding
Delivery temperature Te is stated to be detected by the temperature sensor 53 for being arranged at fan room 24.
Step S17~step S19 above is formed and is used pattern.That is, under pattern, opening for open and close valve V1 is adjusted
Degree so that from the temperature T of the liquefied gas at low temp of gasifier E2 outflowsNGAs specific value alpha.
Also, do not continue more than given time if foregoing delivery temperature Te is state below set value T0（Step
It is no in S20）, then control unit 50 judge atmospheric temperature Tair than the state of the temperature Tp high in housing 12 whether continue for both timing
Between（Such as 2 it is small when）More than（Step S21）.Further, since the temperature Tp in housing 12 is related to the pressure P in housing 12, institute
In the present embodiment, aforementioned temperature Tp is calculated based on aforementioned pressure P.
As a result, in the case where the atmospheric temperature Tair states higher than aforementioned temperature Tp continue for more than given time（Step
It is in rapid S21）, i.e., in the case where being that can carry out the state of the heating of intermediate medium brought by air, control unit 50 to
Step S16 is returned.On the other hand, more than given time is not continued in state higher than aforementioned temperature Tp atmospheric temperature Tair
In the case of（It is no in step S21）, i.e., in the case of the heating amount for the intermediate medium that cannot fully obtain being brought by air, control
Portion 50 processed is set to heat source medium pattern.That is, control unit 50 will pump 32 and stop, and the fan 20 of evaporator E1A be stopped, by open and close valve
V1 is opened, and the fan 40 of warmer E3 is stopped（Step S22）.Here, in the case that control unit 50 is no in step S15（Example
Such as, in the case that atmospheric temperature Tair is less than the 2nd fiducial temperature T2）, i.e., in middle Jie that cannot fully obtain being brought by air
In the case of the heating amount of matter, heat source medium pattern is also set to.
Then, control unit 50 is same with and with pattern, judges liquefied gas at low temp or gas from gasifier E2 outflow
Temperature TNGWhether it is specific value alpha（Such as 5 DEG C）More than（Step S23）.If as a result, aforementioned temperature TNGLess than specific value alpha（Step
It is no in rapid S23）, then control unit 50 improve the aperture of open and close valve V1（Step S24）, turn again to step S23.On the other hand, such as
Fruit aforementioned temperature TNGIt is more than specific value alpha（It is in step S23）, then control unit 50 turn again to beginning（Step S11）.
Step S22 above~step S24 forms heat source medium pattern.That is, in heat source medium pattern, opening and closing is also adjusted
The aperture of valve V1 so that from the temperature T of the liquefied gas at low temp of gasifier E2 outflowsNGAs specific value alpha.
On the other hand, in the case of being, i.e., it is the state of below set value T0 in foregoing delivery temperature Te in step S20
In the case of continue for more than given time, the heating amount of the intermediate medium brought by air in evaporator E1A is less than set
The heating amount deficiency condition of value is set up, and then is contemplated and frozen in the intermediate medium heating part 26 of evaporator E1A.Cause
This, in the case of being in step S20, as shown in figure 3, control unit 50 is initially set to heat source medium pattern.The heat source medium mould
The control content of formula with it is above-mentioned be likewise, so will explanation simplify.That is, control unit 50 carries out the behaviour same with step S22
Make（Step S25）, then, carry out the operation same with step S23 and step S24（Step S26 and step S27）.
Here, in the case of being in step S26, i.e., in aforementioned temperature TNGBe it is more than specific value alpha in the case of, control unit
50 judge that atmospheric temperature Tair is designated value T3（Such as 3 DEG C）Whether state above continue for given time（Such as 2 it is small when）
More than（Step S28）.
As a result, in the case where the state that atmospheric temperature Tair is more than designated value T3 does not continue more than given time,
Control unit 50 returns to and with pattern i.e. step S17.On the other hand, continue in the state that atmospheric temperature Tair is more than designated value T3
In the case of more than given time, i.e., in the solution that the icing occurred in intermediate medium heating part 26 can be thawed with air
In the case that jelly condition is set up, control unit 50 is set to defrosting pattern.That is, control unit 50 will evaporation in the state of pump 32 is stopped
The fan 20 of device E1A persistently drives given time（Such as 2 it is small when）（Step S29）.Then, control unit 50 returns to step S17.
As described above, during the intermediate medium formula gas vapo rizer of present embodiment possesses and makes in gasifier E2
Between medium at least a portion evaporation intermediate medium evaporation part E1B, i.e. intermediate medium not only adds in evaporator E1A by air
Heat, can also be heated in the E1B of intermediate medium evaporation part by heat source medium, so as to fully ensure in gasifier E2 by
The heating amount for the liquefied gas at low temp that intermediate medium is brought.Thus, liquefied gas at low temp also can stably be made in cold place
Gasification.
In addition, in the present embodiment, control unit 50 is set to empty when atmospheric temperature Tair is more than the 1st fiducial temperature T1
Warm pattern, atmospheric temperature Tair be more than the 2nd fiducial temperature T2 less than the 1st fiducial temperature T1 when be set to and use pattern.At this
In scheme, when the heating, the heating amount of intermediate medium of only using the intermediate medium in evaporator E1A are insufficient（Work as atmospheric temperature
Tair be it is more than 2nd fiducial temperature T2 less than the 1st fiducial temperature T1 when）, heat source medium is supplied, institute suppressing heat source so as to be situated between
Effectively intermediate medium is heated according to atmospheric temperature Tair while the surplus supply of matter.
In addition, in the present embodiment, control unit 50 is set to heat source when atmospheric temperature Tair is less than the 2nd fiducial temperature T2
Medium mode.In this scenario, even adding for the intermediate medium brought by air in evaporator E1A cannot fully be obtained
During heat（When atmospheric temperature Tair is less than the 2nd fiducial temperature T2）, also reliably intermediate medium can be heated.
In addition, in the present embodiment, control unit 50 is in pattern, being brought by air in evaporator E1A
The heating amount of intermediate medium is switched to heat source medium pattern when being set up less than the heating amount deficiency condition of set value.In the program
In, in pattern, when heating amount deficiency condition is set up（Delivery temperature Te is that the state below set value T0 continue for both
During the above of fixing time）, heat source medium pattern is switched to, institute is so as to well heated intermediate medium by heat source medium efficiency.
In addition, in the present embodiment, control unit 50 can solved what the icing occurred in evaporator E1A was thawed
Jelly condition is switched to foregoing defrosting pattern when setting up.In this scenario, when can thawing condition set up when（Atmospheric temperature Tair refers to
When the state of more than definite value T3 continue for more than given time）, defrosting pattern is switched to, so being situated between among evaporator E1A
The icing produced in matter heating part 26 is defrosted, thus, it is possible to carry out again by the heating of the evaporator E1A intermediate mediums brought.
Specifically, in the present embodiment, control unit 50 drives into enforcement pump 32 as empty warm pattern and makes evaporator
The control that the fan 20 of E1A drives.In this scenario, effectively realize in evaporator E1A by air bring via centre
The heating of the intermediate medium of medium heating part 26.
In addition, in the present embodiment, control unit 50 is as and with pattern, into exercising the drivings of pump 32 and make evaporator E1A
The control that drives and open open and close valve V1 of fan 20.In this scenario, effectively realize in evaporator E1A by sky
The heating for the intermediate medium that gas is brought and the heating of the intermediate medium brought by heat source medium in the E1B of intermediate medium evaporation part.
In addition, in the present embodiment, control unit 50 is used as heat source medium pattern, stops into enforcement pump 32 and make evaporator
The control that the fan 20 of E1A stops and opens open and close valve V1.In this scenario, being brought by air in evaporator E1A
The heating of intermediate medium is stopped, and only effectively realizes middle Jie brought by heat source medium in the E1B of intermediate medium evaporation part
The heating of matter.
In addition, in the present embodiment, control unit 50 is used as defrosting pattern, stops into enforcement pump 32 and make evaporator E1A
Fan 20 drive control.In this approach, due to evaporator E1A confession from the intermediate medium to intermediate medium heating part 26
To being stopped, so effectively realizing the defrosting brought by air.
In addition, in the present embodiment, control unit 50 adjusts the rotating speed of the fan 20 of evaporator E1A under the warm pattern of sky,
So that the pressure P in housing 12 becomes the 1st setting value P1.Therefore, under the warm pattern of sky, it fully ensure that the pressure in housing 12
Power（The heating amount of the liquefied gas at low temp brought by intermediate medium）.
In addition, in the present embodiment, control unit 50 adjusts open and close valve V1's under pattern and heat source medium pattern
Aperture so that from the temperature T of the liquefied gas at low temp of gasifier E2 outflowsNGAs specific value alpha.Therefore, flowed out from gasifier E2
Liquefied gas at low temp it is in stable condition.
In addition, this time disclosed embodiment is all to illustrate in terms of whole, it should is considered being not limiting.This
The scope of invention is not by the explanation of the above embodiment but represented by claims, is additionally included in and claims
Whole changes in the meaning and scope of equal value.
For example, due to having certain dependency relation between the pressure P in housing 12 and temperature, so aforementioned pressure P
The detected value of the temperature sensor for the temperature being based upon in detection housing 12 calculates.
In addition, illustrating judgement atmospheric temperature Tair in step s 11 is whether state more than 1st fiducial temperature T1 holds
Example more than given time is continued, but in step S11, condition more than lasting given time can also have been deleted, sentenced
Determine whether atmospheric temperature Tair is more than 1st fiducial temperature T1.This is on step S15, step S20, step S21 and step S28
And same.
In addition, the adjusting to the quantity delivered of the heat source medium of intermediate medium evaporation part E1B is not limited to open and close valve V1's
The adjusting of aperture carries out.Such as pump can also be set in heat source medium supply line 34, adjusted by the rotating speed of the pump
The quantity delivered of heat source medium.
In addition, for example can also the lower section of the heat-exchanging chamber 28 of evaporator E1A set warm-air drier, in defrost mode from
Warm-air drier conveys warm wind towards intermediate medium heating part 26.
In addition, fan 20 can also be to produce the posture configuration of air-flow directed downwardly in fan room 24.
In addition, atmospheric temperature Tair is not limited to have left the temperature of the position of 20m~30m from the present apparatus.Atmospheric temperature
Although Tair is with approaching and being gradually lower to the particularly evaporator E1A in this gas vapo rizer, in the case, energy
It is enough relatively low and operating by the way that each fiducial temperature is set to.
Here, the intermediate medium formula gas vapo rizer of the above embodiment is summarized.
The intermediate medium formula gas vapo rizer of the above embodiment, is to make gasifying liquefied gas at low temp using intermediate medium
Intermediate medium formula gas vapo rizer, the intermediate medium has the boiling point higher than the boiling point of the liquefied gas at low temp, described
Intermediate medium formula gas vapo rizer possesses：Gasifier, it is by making foregoing liquefied gas at low temp be handed over foregoing intermediate medium heat
Change, at least a portion of foregoing liquefied gas at low temp is gasified；Evaporator, it is by making foregoing intermediate medium be handed over air heat
Change, evaporate at least a portion of foregoing intermediate medium；Intermediate medium evaporation part, it is by making in foregoing in foregoing gasifier
Between medium and heat source medium heat exchange, evaporate at least a portion of foregoing intermediate medium.
In the intermediate medium formula gas vapo rizer, due to possessing at least a portion of the intermediate medium made in gasifier
The intermediate medium evaporation part of evaporation, i.e. since intermediate medium is not only heated by the air in evaporator, additionally it is possible in intermediate medium
Heated in evaporation part by heat source medium, so as to fully ensuring the low-temperature liquid gas brought by intermediate medium in gasifier
The heating amount of body.Thus, gasifying liquefied gas at low temp also can stably be made even in cold place.
In this case it is preferable that it is also equipped with allowing hand over the control unit of multiple operation modes；Aforesaid plurality of operational mode
Formula includes：The warm pattern of sky, without the foregoing intermediate medium brought by foregoing heat source medium in foregoing intermediate medium evaporation part
Heating, and carry out the heating of the foregoing intermediate medium brought by air in forgoing evaporators；With and with pattern, and with foregoing
Being situated between by foregoing heat source in the heating and foregoing intermediate medium evaporation part of the foregoing intermediate medium brought by air in evaporator
The heating for the foregoing intermediate medium that matter is brought；Foregoing control unit is set to foregoing sky when atmospheric temperature is more than the 1st fiducial temperature
Warm pattern, less than foregoing 1st fiducial temperature and is more than the 2nd fiducial temperature lower than foregoing 1st fiducial temperature in atmospheric temperature
When be set to foregoing and use pattern.
If so, then when only insufficient by the heating amount of the heating of the intermediate medium in evaporator, intermediate medium, supply
To heat source medium, so as to while the surplus supply of heat source medium is suppressed, effectively centre is situated between according to atmospheric temperature
Matter heats.
In addition, between in the preamble in medium-type gas vapo rizer, it is preferred that aforesaid plurality of operation mode further includes heat
Source medium mode：Without the heating of the foregoing intermediate medium brought by air in forgoing evaporators, and carry out foregoing centre
The heating of the foregoing intermediate medium brought by foregoing heat source medium in medium evaporation part；Foregoing control unit atmospheric temperature less than
Foregoing heat source medium pattern is set to during foregoing 2 fiducial temperature.
If so, then even in the heating amount that cannot fully obtain the intermediate medium brought by air in evaporator
When, also reliably intermediate medium can be heated.
In this case it is preferable that foregoing control unit is foregoing and with pattern, when in forgoing evaporators by air
When the heating amount of the foregoing intermediate medium brought is set up less than the heating amount deficiency condition of set value, foregoing heat source medium mould is set to
Formula.
If so, then in pattern, when heating amount deficiency condition is set up, heat source medium pattern, institute are switched to
So as to intermediate medium is heated well by heat source medium efficiency.
In addition, between in the preamble in medium-type gas vapo rizer, it is preferred that aforesaid plurality of pattern is further included preceding
State the defrosting pattern that the icing occurred in evaporator is thawed；Foregoing control unit is in the icing that will can occur in forgoing evaporators
What is thawed can be set to foregoing defrosting pattern during thawing condition establishment.
If so, then defrosting pattern can be switched to during thawing condition establishment, so the icing occurred in evaporator
It is defrosted.Heating thereby, it is possible to the intermediate medium for carrying out being brought by evaporator again.
Specifically, it is preferred that be also equipped with：Flow path is circulated, foregoing gasifier is connected by it with forgoing evaporators so that
Foregoing intermediate medium circulates between foregoing gasifier and forgoing evaporators；Pump, it is located in foregoing circulation flow path；Aforementioned evaporation
Utensil has：Fan, it forms air-flow；Intermediate medium heating part, it, will by making foregoing intermediate medium and foregoing air-flow heat exchange
Foregoing intermediate medium heating；Foregoing control unit drives into the foregoing pump of enforcement as foregoing empty warm pattern and drives foregoing fan
Control.
If so, then effectively realize being situated between by what air was brought via the middle of intermediate medium heating part in evaporator
The heating of matter.
In this case it is preferable that it is also equipped with：Heat source medium supply line, it supplies foregoing intermediate medium evaporation part
To foregoing heat source medium；Open and close valve, it is located in foregoing heat source medium supply line；Foregoing control unit is as foregoing and use mould
Formula, the control for driving into the foregoing pump of enforcement and driving foregoing fan and opening foregoing open and close valve.
If so, then effectively realize heating and the intermediate medium of the intermediate medium brought by air in evaporator
The heating of the intermediate medium brought by heat source medium in evaporation part.
Specifically, it is preferred that foregoing control unit stops and makes into the foregoing pump of enforcement as foregoing heat source medium pattern
The control that foregoing fan stops and opens foregoing open and close valve.
If so, then the heating of the intermediate medium brought by air in evaporator is stopped, in only effectively realizing
Between the intermediate medium brought by heat source medium in medium evaporation part heating.
In addition, between in the preamble in medium-type gas vapo rizer, it is preferred that foregoing control unit is as foregoing defrosting mould
Formula, into the control exercised foregoing pump stopping and drive foregoing fan.
If so, then the supply to the intermediate medium of the heat conducting pipe of evaporator is stopped, so effectively realizing by sky
The defrosting that gas is brought.
In addition, between in the preamble in medium-type gas vapo rizer, it is preferred that foregoing gasifier has：Low-temperature liquefaction
Gas heating part, it is added foregoing liquefied gas at low temp by making foregoing liquefied gas at low temp and foregoing intermediate medium heat exchange
Heat；Housing, it accommodates foregoing liquefied gas at low temp heating part and foregoing intermediate medium；Foregoing control unit is in foregoing empty warm pattern
In, adjust the rotating speed of foregoing fan so that pressure or temperature in foregoing housing are included in setting range.
If so, then it can fully ensure the pressure or temperature in housing in the warm pattern of sky（Brought by intermediate medium
Liquefied gas at low temp heating amount）.
In addition, between in the preamble in medium-type gas vapo rizer, it is preferred that foregoing control unit is foregoing and use pattern
And in the pattern of at least one party of foregoing heat source medium pattern, adjust the aperture of foregoing open and close valve so that from foregoing gasifier stream
The temperature of the liquefied gas at low temp gone out is included in certain scope.
If so, the liquefied gas at low temp then flowed out from gasifier is in stable condition.
Claims (11)
1. a kind of intermediate medium formula gas vapo rizer, it makes gasifying liquefied gas at low temp, middle Jie using intermediate medium
Matter has the boiling point higher than the boiling point of the liquefied gas at low temp, it is characterised in that possesses：
Gasifier, it makes foregoing liquefied gas at low temp by making foregoing liquefied gas at low temp and foregoing intermediate medium heat exchange
At least a portion gasifies；
Evaporator, it evaporates at least a portion of foregoing intermediate medium by making foregoing intermediate medium and air heat exchange；
Intermediate medium evaporation part, it is made foregoing by making the foregoing intermediate medium in foregoing gasifier and heat source medium heat exchange
At least a portion evaporation of intermediate medium.
2. intermediate medium formula gas vapo rizer as claimed in claim 1, it is characterised in that
It is also equipped with allowing hand over the control unit of multiple operation modes；
Aforesaid plurality of operation mode includes：
The warm pattern of sky, without adding for the foregoing intermediate medium brought by foregoing heat source medium in foregoing intermediate medium evaporation part
Heat, and carry out the heating of the foregoing intermediate medium brought by air in forgoing evaporators；
And with pattern, and the heating with the foregoing intermediate medium brought by air in forgoing evaporators and foregoing intermediate medium
The heating of the foregoing intermediate medium brought by foregoing heat source medium in evaporation part；
Foregoing control unit is set to foregoing empty warm pattern when atmospheric temperature is more than the 1st fiducial temperature, in atmospheric temperature less than preceding
State the 1st fiducial temperature and be set to foregoing when being more than 2nd fiducial temperature lower than foregoing 1st fiducial temperature and use pattern.
3. intermediate medium formula gas vapo rizer as claimed in claim 2, it is characterised in that
Aforesaid plurality of operation mode further includes heat source medium pattern：Without in forgoing evaporators by air bring it is foregoing in
Between medium heating, and carry out the foregoing intermediate medium brought by foregoing heat source medium in foregoing intermediate medium evaporation part plus
Heat；
Foregoing control unit is set to foregoing heat source medium pattern when atmospheric temperature is less than foregoing 2 fiducial temperature.
4. intermediate medium formula gas vapo rizer as claimed in claim 3, it is characterised in that
Foregoing control unit is foregoing and with pattern, when the heating of the foregoing intermediate medium brought by air in forgoing evaporators
When the heating amount deficiency condition measured less than set value is set up, foregoing heat source medium pattern is set to.
5. the intermediate medium formula gas vapo rizer as described in claim 3 or 4, it is characterised in that
Aforesaid plurality of pattern further includes the defrosting pattern that the icing that will occur in forgoing evaporators is thawed；
Foregoing control unit can be set to foregoing the icing occurred in forgoing evaporators can be thawed during thawing condition establishment
Defrosting pattern.
6. intermediate medium formula gas vapo rizer as claimed in claim 2, it is characterised in that
It is also equipped with：
Flow path is circulated, foregoing gasifier is connected by it with forgoing evaporators so that foregoing intermediate medium is in foregoing gasifier with before
State and circulate between evaporator；
Pump, it is located in foregoing circulation flow path；
Forgoing evaporators have：
Fan, it forms air-flow；
Intermediate medium heating part, it is heated foregoing intermediate medium by making foregoing intermediate medium and foregoing air-flow heat exchange；
Foregoing control unit drives into the foregoing pump of enforcement as foregoing empty warm pattern and makes the control of foregoing fan driving.
7. intermediate medium formula gas vapo rizer as claimed in claim 6, it is characterised in that
It is also equipped with：
Heat source medium supply line, it supplies foregoing heat source medium to foregoing intermediate medium evaporation part；
Open and close valve, it is located in foregoing heat source medium supply line；
Foregoing control unit is driven into foregoing pump is exercised and drives foregoing fan and opened foregoing as foregoing and with pattern
The control that valve closing is opened.
8. intermediate medium formula gas vapo rizer as claimed in claim 7, it is characterised in that
Foregoing control unit stops into the foregoing pump of enforcement as foregoing heat source medium pattern and foregoing fan is stopped and by before
State the control of open and close valve opening.
9. intermediate medium formula gas vapo rizer as claimed in claim 7 or 8, it is characterised in that
Foregoing control unit is as foregoing defrosting pattern, into the control exercised foregoing pump stopping and drive foregoing fan.
10. intermediate medium formula gas vapo rizer as claimed in claim 6, it is characterised in that
Foregoing gasifier has：
Liquefied gas at low temp heating part, it, will be foregoing low by making foregoing liquefied gas at low temp and foregoing intermediate medium heat exchange
Warm liquid gas heating；
Housing, it accommodates foregoing liquefied gas at low temp heating part and foregoing intermediate medium；
Foregoing control unit adjusts the rotating speed of foregoing fan so that pressure or temperature in foregoing housing in foregoing empty warm pattern
In setting range.
11. intermediate medium formula gas vapo rizer as claimed in claim 7, it is characterised in that
Foregoing control unit adjusts foregoing opening and closing in the pattern of at least one party foregoing and with pattern and foregoing heat source medium pattern
The aperture of valve so that be included in from the temperature of the liquefied gas at low temp of foregoing gasifier outflow in certain scope.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015160934A JP6449117B2 (en) | 2015-08-18 | 2015-08-18 | Intermediate medium gas vaporizer |
| JP2015-160934 | 2015-08-18 | ||
| PCT/JP2016/072792 WO2017029994A1 (en) | 2015-08-18 | 2016-08-03 | Intermediate medium-type gas vaporization system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107923575A true CN107923575A (en) | 2018-04-17 |
| CN107923575B CN107923575B (en) | 2020-03-10 |
Family
ID=58052198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680048354.0A Active CN107923575B (en) | 2015-08-18 | 2016-08-03 | Intermediate medium type gas gasifying device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6449117B2 (en) |
| KR (1) | KR102071344B1 (en) |
| CN (1) | CN107923575B (en) |
| WO (1) | WO2017029994A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57122898A (en) * | 1981-01-22 | 1982-07-30 | Tokyo Shibaura Electric Co | Drier |
| JP2002039695A (en) * | 2000-07-26 | 2002-02-06 | Mitsubishi Kakoki Kaisha Ltd | Liquefied gas vaporization system utilizing waste heat, and waste heat supply method |
| JP2003148845A (en) * | 2001-08-27 | 2003-05-21 | Osaka Gas Co Ltd | Air heat source type liquefied natural gas vaporizer |
| JP2004301186A (en) * | 2003-03-28 | 2004-10-28 | Noritz Corp | Liquefied gas vaporization system |
| JP2013032836A (en) * | 2011-06-30 | 2013-02-14 | Kobe Steel Ltd | Apparatus and method for gasifying low-temperature liquefied gas |
| JP2014219047A (en) * | 2013-05-08 | 2014-11-20 | 株式会社神戸製鋼所 | Intermediate medium carbureter |
| JP2015061982A (en) * | 2013-08-23 | 2015-04-02 | 株式会社神戸製鋼所 | Low-temperature liquefied gas vaporizer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57122898U (en) * | 1981-01-26 | 1982-07-30 | ||
| KR100751974B1 (en) * | 2005-12-22 | 2007-08-28 | 한국가스공사 | Intermediate Fluid type Vaporizer |
| KR20070067014A (en) * | 2007-01-09 | 2007-06-27 | 한국가스공사 | Intermediate fluid type vaporizer |
-
2015
- 2015-08-18 JP JP2015160934A patent/JP6449117B2/en active Active
-
2016
- 2016-08-03 KR KR1020187004019A patent/KR102071344B1/en active IP Right Grant
- 2016-08-03 CN CN201680048354.0A patent/CN107923575B/en active Active
- 2016-08-03 WO PCT/JP2016/072792 patent/WO2017029994A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57122898A (en) * | 1981-01-22 | 1982-07-30 | Tokyo Shibaura Electric Co | Drier |
| JP2002039695A (en) * | 2000-07-26 | 2002-02-06 | Mitsubishi Kakoki Kaisha Ltd | Liquefied gas vaporization system utilizing waste heat, and waste heat supply method |
| JP2003148845A (en) * | 2001-08-27 | 2003-05-21 | Osaka Gas Co Ltd | Air heat source type liquefied natural gas vaporizer |
| JP2004301186A (en) * | 2003-03-28 | 2004-10-28 | Noritz Corp | Liquefied gas vaporization system |
| JP2013032836A (en) * | 2011-06-30 | 2013-02-14 | Kobe Steel Ltd | Apparatus and method for gasifying low-temperature liquefied gas |
| JP2014219047A (en) * | 2013-05-08 | 2014-11-20 | 株式会社神戸製鋼所 | Intermediate medium carbureter |
| JP2015061982A (en) * | 2013-08-23 | 2015-04-02 | 株式会社神戸製鋼所 | Low-temperature liquefied gas vaporizer |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20180033213A (en) | 2018-04-02 |
| CN107923575B (en) | 2020-03-10 |
| JP2017040284A (en) | 2017-02-23 |
| JP6449117B2 (en) | 2019-01-09 |
| KR102071344B1 (en) | 2020-01-30 |
| WO2017029994A1 (en) | 2017-02-23 |
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