WO2011068035A1 - ガス供給装置 - Google Patents

ガス供給装置 Download PDF

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Publication number
WO2011068035A1
WO2011068035A1 PCT/JP2010/070525 JP2010070525W WO2011068035A1 WO 2011068035 A1 WO2011068035 A1 WO 2011068035A1 JP 2010070525 W JP2010070525 W JP 2010070525W WO 2011068035 A1 WO2011068035 A1 WO 2011068035A1
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WO
WIPO (PCT)
Prior art keywords
gas
hot water
pressure
gas supply
decompression means
Prior art date
Application number
PCT/JP2010/070525
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
隆 米田
吉田　隆
Original Assignee
大陽日酸株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大陽日酸株式会社 filed Critical 大陽日酸株式会社
Priority to EP10834487.0A priority Critical patent/EP2508786B1/en
Priority to KR1020127017182A priority patent/KR101755744B1/ko
Priority to CN201080054408.7A priority patent/CN102639922B/zh
Publication of WO2011068035A1 publication Critical patent/WO2011068035A1/ja

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Classifications

    • 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
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0206—Heat exchangers immersed in a large body of liquid
    • F28D1/0213—Heat exchangers immersed in a large body of liquid for heating or cooling a liquid in a tank
    • 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
    • F28D7/02—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 helically coiled
    • F28D7/024—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 helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0326—Valves electrically actuated
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0338—Pressure regulators
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/035—High pressure (>10 bar)
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/033—Small pressure, e.g. for liquefied gas
    • 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
    • F17C2227/0316—Water heating
    • 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
    • F17C2227/0323—Heat exchange with the fluid by heating using another fluid in a closed loop
    • 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
    • F17C2227/0367—Localisation of heat exchange
    • F17C2227/0388—Localisation of heat exchange separate
    • 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
    • F17C2250/043—Pressure
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/042—Reducing risk of explosion
    • 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
    • F17C2270/00—Applications
    • F17C2270/05—Applications for industrial use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
    • F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
    • F28F2009/226—Transversal partitions

Definitions

  • the present invention relates to a gas supply device, and more particularly to a gas supply device that supplies a compressed gas with a reduced pressure.
  • the pressure is reduced to a specified pressure by a pressure reducing device such as a pressure adjusting device, a pressure reducing valve, or a control valve.
  • a pressure reducing device such as a pressure adjusting device, a pressure reducing valve, or a control valve.
  • the gas temperature of the gas decompressed by the decompression means decreases due to adiabatic expansion and the Joule-Thompson effect, condensation or frost formation on the outer surface of the decompression means may occur, making it difficult to adjust the gas pressure. There is. For this reason, the fall of the gas temperature after pressure reduction is suppressed by heating the upstream piping (primary side piping) of a pressure reduction means, or heating a pressure reduction means (for example, patent documents). See 1-3.)
  • JP 2006-283812 A Japanese Patent No. 3592446 Japanese Patent Publication No. 6-33858
  • an electric heater as a heating source for heating the piping of the apparatus for supplying the combustible gas or the decompression means, because there is a risk of ignition when a gas leak occurs.
  • a heating pipe through which a heating fluid flows is wound around the gas pipe, in order to sufficiently raise the temperature of the gas in the gas pipe, the heat transfer area is extremely large, It is necessary to make the temperature of the fluid flowing through the pipes high, resulting in an increase in equipment costs and operating costs.
  • monosilane (SiH 4 ) and nitrogen trifluoride (NF 3 ) have a critical pressure very close to the filling pressure and the critical temperature is relatively close to room temperature. Become. And since a standard boiling point is high, the fall of the gas temperature by adiabatic expansion is large, gas tends to liquefy, and the dew condensation and frost formation to a decompression means tend to increase. Furthermore, since monosilane has flammability and self-flammability, and nitrogen trifluoride also has combustion support, it is desirable to avoid the use of an electric heater.
  • an object of the present invention is to provide a gas supply apparatus that can supply compressed gas under reduced pressure in a stable state, and is excellent in economy and safety.
  • a gas supply apparatus is a gas supply apparatus that supplies a gas supplied from a compressed gas supply source by reducing the pressure with a decompression means, and on the upstream side in the gas flow direction of the decompression means.
  • a heat exchanger is provided for heat exchange between the gas introduced into the decompression means and the hot water supplied from the hot water supply source to warm the gas, and the decompression means is provided to the decompression means by a part of the warm water.
  • a warm water channel for heating was provided.
  • the gas supply apparatus of the present invention further includes hot water circulation means for heating the hot water to a temperature of 30 to 40 ° C. and supplying the hot water to the heat exchanger and the hot water flow path of the decompression means.
  • hot water circulation means for heating the hot water to a temperature of 30 to 40 ° C. and supplying the hot water to the heat exchanger and the hot water flow path of the decompression means.
  • a plurality of the decompression means are arranged in series or in parallel, and the heat exchanger is arranged on the upstream side of each decompression means in the gas flow direction.
  • the gas is monosilane or nitrogen trifluoride.
  • the gas supply device of the present invention since the gas is heated by the heat exchanger using hot water as a heating source, the gas flowing in the pipe can be heated efficiently and reliably, and the decompression means is also heated by the hot water. By heating, it can prevent reliably that the gas after pressure reduction liquefies. In addition, by using hot water as the heating source, safety can be improved as compared with an electric heater. Furthermore, by setting the hot water temperature to 40 ° C. or less, the gas temperature does not become too high, and the energy required for heating can be reduced.
  • the degree of decompression in each decompression means can be set optimally, so that decompression can be performed more efficiently without causing condensation or frost formation on the decompression means or the piping system.
  • a gas can be supplied, and in particular, a gas such as monosilane or nitrogen trifluoride can be supplied in a safe and stable state.
  • the gas supply apparatus shown in the present embodiment includes two pressure regulators as decompression means for reducing the pressure of the gas supplied from the high-pressure gas container 11 serving as a compressed gas supply source filled with the compressed gas in a predetermined high-pressure state.
  • 21 and 31 are provided in series, and the first pressure regulator 21 on the upstream side in the gas flow direction is depressurized to a medium pressure gas by depressurizing the high-pressure gas at a preset degree of decompression.
  • the pressure regulator 31 is configured to supply a low-pressure gas having a pressure according to a request of the supply destination by reducing the pressure of the medium-pressure gas at a predetermined degree of pressure reduction.
  • the first pressure regulator 21 reduces the pressure to about 4 MPa and then the second pressure.
  • the regulator 31 supplies the pressure reduced from 4 MPa to a supply pressure close to atmospheric pressure.
  • a high pressure valve 12 and a pressure detector 13 are provided between the gas supply device and the high pressure gas container 11, and a low pressure valve 14 is provided between the gas supply device and the supply destination.
  • the heat exchangers 22 and 32 and the shut-off valves 23 and 33 are provided on the upstream side (primary side) of the pressure regulators 21 and 31 in the gas flow direction, and the gas flow directions of the pressure regulators 21 and 31 are provided.
  • Pressure detectors 24 and 34 are provided on the downstream side (secondary side), respectively.
  • a hot water circulation unit 15 for circulating and supplying warm water for heating to the pressure regulators 21 and 31 and the heat exchangers 22 and 32 is provided for the pressure adjustment.
  • the devices 21 and 31 and the heat exchangers 22 and 32 are provided in a state of being isolated from the apparatus main body portion 16.
  • the heat exchangers 22 and 32 have a structure (shell-and-coil structure) in which a metal coil tube 42 is housed in a bottomed container 41 having an open top.
  • a lid 43 through which the inlet pipe 42 a and the outlet pipe 42 b of the coil pipe 42 are inserted is detachably attached to the upper opening of the container 41.
  • a hot water inlet 44 is provided on one of the opposing side walls of the container 41, and a hot water outlet 45 is provided on the other side wall, and the hot water inlet 44 is provided in the container 41 inside the container 41.
  • baffle plates 46 for efficiently bringing the inflowing hot water into contact with the coil tube 42 are provided so as not to interfere with the coil tube 42.
  • the hot water flowing into the container 41 from the hot water inlet 44 flows while meandering in the container 41 by the action of the baffle plate 46, thereby uniformly contacting the outer surface of the coiled tube 42, and passing through the tube wall of the coiled tube 42. After the gas is heated by exchanging heat with the gas flowing inside the pipe 42, the gas is led out from the hot water outlet 45.
  • the pressure regulators 21 and 31 are those having a heat retention function in which a hot water channel 53 is provided so as to surround the central gas channels 51 and 52.
  • a hot water inlet 54 is provided at one end of the hot water passage 53 and a hot water outlet 55 is provided at the other end. The hot water flowing into the hot water passage 53 from the hot water inlet 54 is supplied to the gas passage 51.
  • the hot water circulation unit 15 is a hot water generator 17 that generates hot water having a preset temperature using arbitrary thermal energy, and hot water that connects the hot water generator 17 and a heating target in the apparatus main body 16.
  • a supply pipe 18 and a hot water return pipe 19 are provided.
  • the hot water generator 17 generates hot water heated to a temperature of 30 to 40 ° C. by an electric heater, for example, and supplies it with a pump.
  • the hot water generated by the hot water generator 17 passes through the hot water supply pipe 18.
  • the hot water derived from the heat exchangers 22 and 32 and the pressure regulators 21 and 31 is separated from the introduction side branch pipes 18a corresponding to the heat exchangers 22 and 32 and the pressure regulators 21 and 31, respectively.
  • the pipe 19a is joined to the hot water return pipe 19 and is circulated to the hot water generator 17 to be reused.
  • the temperature of the hot water supplied from the hot water generator 17 can be arbitrarily set according to conditions such as the supplied gas flow rate, the heat exchange efficiency of the heat exchangers 22 and 32, and the heating efficiency of the pressure regulators 21 and 31. However, in consideration of safety at the time of leakage, it is preferable to set the temperature to 40 ° C. or less, and considering the gas heating effect, 30 ° C. or more, particularly 35 ° C. or more is optimal.
  • the hot water flow rate can also be set as appropriate according to the gas flow rate and heat exchange efficiency in the heat exchangers 22 and 32. For example, in the heat exchangers 22 and 32, the gas in the coil tube 42 and the countercurrent flow are counteracted.
  • the temperature of the hot water whose temperature has decreased due to heat exchange in the direction of flow that is, the temperature of the warm water at the warm water outlet 45 is less than ⁇ 5 ° C., preferably less than ⁇ 2 ° C. with respect to the warm water temperature at the warm water inlet 44 It is preferable to set so that.
  • the coil tube 42 a pipe having a diameter and a thickness corresponding to the gas flow rate desired by the supply destination and the gas pressure passing through the coil tube 42 is used.
  • the temperature of the gas heated by heat exchange with the hot water is preferably set to be lower than ⁇ 5 ° C., preferably lower than ⁇ 3 ° C. with respect to the hot water temperature.
  • the gas flowing in the coil tube 42 and the hot water flowing around the coil tube 42 exchange heat through the tube wall of the coil tube 42 and wind the hot water tube around the gas pipe.
  • the pipe outer surfaces of the two pipes are not in line contact with each other, and an air layer is not interposed between the pipes.
  • the gas temperature after heat exchange can be easily obtained by calculation. Therefore, the gas temperature cannot be raised sufficiently unlike the conventional case, or the gas temperature does not become unstable, and the gas flowing into the pressure regulators 21 and 31 on the downstream side can be reliably kept at a predetermined temperature. Can be warmed.
  • the decompression degree in each pressure regulator 21 and 31 in consideration of the gas temperature after depressurization and the warming effect of the hot water.
  • the hot water flow rate and the structure and shape of the hot water flow channel 53 are set so that the outer surface of the pressure regulators 21 and 31 can be heated to such an extent that dew condensation does not occur on the outer surfaces of the pressure regulators 21 and 31 do it.
  • the hot water temperature, the hot water supply capacity of the hot water circulation unit 15, the heat exchange capacity of the heat exchangers 22 and 32, and the heating capacity of the pressure regulators 21 and 31 are generally set to the maximum flow rate of the supplied gas. If the duration of the maximum flow rate is short and the amount of dew condensation on the pressure regulators 21 and 31 is negligible at that time, the gas flow rate is set lower than the maximum flow rate. Each ability can be set.
  • the degree of decompression in each decompression stage can be reduced, and the compressed gas introduced into the decompression means (pressure regulators 21, 31) can be reduced.
  • the compressed gas introduced into the decompression means pressure regulators 21, 31
  • There is no need to heat to a high temperature and by heating the gas with the heat exchangers 22 and 32 using hot water of 40 ° C. or less, liquefaction of the gas in the decompression means and condensation on the outer surface of the decompression means can be prevented.
  • the gas can be efficiently heated to a predetermined temperature. When using hot water of 40 ° C.
  • the apparatus main body 16 having a piping system through which the compressed gas flows and the hot water generator 17 for generating hot water are installed in a state of being separated by a partition wall or the like, so that the heating source of the hot water generator 17 is electrically Even if a heater is used, since the compressed gas and the electric heater are isolated, safety can be greatly improved. Also, by using hot water, the energy required for heating can be reduced compared to when hot water or steam is used, heat loss from the piping system is reduced, and even if hot water leaks, burns etc. There is no danger.
  • a plurality of gas supply devices including the apparatus main body 16 and the hot water circulation unit 15 may be installed, but one hot water circulation unit 15 is provided. Can be made to correspond to a plurality of apparatus main body portions 16.
  • the compressed gas having a relatively small gas temperature drop due to adiabatic expansion and a low degree of decompression is supplied under reduced pressure, only one decompression means and one heat exchanger can be provided.

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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)
  • Pipeline Systems (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
PCT/JP2010/070525 2009-12-03 2010-11-18 ガス供給装置 WO2011068035A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10834487.0A EP2508786B1 (en) 2009-12-03 2010-11-18 Gas supply device
KR1020127017182A KR101755744B1 (ko) 2009-12-03 2010-11-18 가스 공급장치
CN201080054408.7A CN102639922B (zh) 2009-12-03 2010-11-18 气体供给装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009275650A JP5462607B2 (ja) 2009-12-03 2009-12-03 ガス供給装置
JP2009-275650 2009-12-03

Publications (1)

Publication Number Publication Date
WO2011068035A1 true WO2011068035A1 (ja) 2011-06-09

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Family Applications (1)

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PCT/JP2010/070525 WO2011068035A1 (ja) 2009-12-03 2010-11-18 ガス供給装置

Country Status (6)

Country Link
EP (1) EP2508786B1 (ko)
JP (1) JP5462607B2 (ko)
KR (1) KR101755744B1 (ko)
CN (1) CN102639922B (ko)
TW (1) TWI503501B (ko)
WO (1) WO2011068035A1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112984534A (zh) * 2021-02-05 2021-06-18 新郑市吉龙包装材料有限公司 一种包装印刷废气处理设备的热量利用系统
WO2022256684A1 (en) * 2021-06-04 2022-12-08 Wilmer Jeffrey A Methods and systems for a heat exchanger

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10151428B2 (en) * 2015-12-27 2018-12-11 GE Oil & Gas, LLC Reducing pressure of compressed gas from a storage tank
CN111425755A (zh) * 2019-12-13 2020-07-17 凯馺国际股份有限公司 一种气泡水机用钢瓶中气体的填充设备及其填充方法

Citations (6)

* Cited by examiner, † Cited by third party
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CN102639922B (zh) 2014-11-19
TWI503501B (zh) 2015-10-11
EP2508786B1 (en) 2017-06-14
KR101755744B1 (ko) 2017-07-07
JP5462607B2 (ja) 2014-04-02
CN102639922A (zh) 2012-08-15
KR20120101489A (ko) 2012-09-13
EP2508786A4 (en) 2016-01-06

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