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US20070104626A1 - Heat-transfer-medium heating and cooling apparatus - Google Patents

Heat-transfer-medium heating and cooling apparatus Download PDF

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Publication number
US20070104626A1
US20070104626A1 US11/590,819 US59081906A US2007104626A1 US 20070104626 A1 US20070104626 A1 US 20070104626A1 US 59081906 A US59081906 A US 59081906A US 2007104626 A1 US2007104626 A1 US 2007104626A1
Authority
US
United States
Prior art keywords
heat transfer
transfer medium
pump
heat
path
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US11/590,819
Other languages
English (en)
Inventor
Masahiro Yonekura
Masahiro Takeuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyo Nippon Sanso Corp
Original Assignee
Taiyo Nippon Sanso Corp
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 Taiyo Nippon Sanso Corp filed Critical Taiyo Nippon Sanso Corp
Assigned to TAIYO NIPPON SANSO CORPORATION reassignment TAIYO NIPPON SANSO CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TAKEUCHI, MASAHIRO, YONEKURA, MASAHIRO
Publication of US20070104626A1 publication Critical patent/US20070104626A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • B01J19/0013—Controlling the temperature of the process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00191—Control algorithm
    • B01J2219/00193—Sensing a parameter
    • B01J2219/00195—Sensing a parameter of the reaction system
    • B01J2219/00202—Sensing a parameter of the reaction system at the reactor outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00191—Control algorithm
    • B01J2219/00222—Control algorithm taking actions
    • B01J2219/00227—Control algorithm taking actions modifying the operating conditions
    • B01J2219/00238—Control algorithm taking actions modifying the operating conditions of the heat exchange system
    • 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
    • F28D1/06—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 the heat-exchange conduits forming part of, or being attached to, the tank containing the body of fluid
    • 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
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0077—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for tempering, e.g. with cooling or heating circuits for temperature control of elements

Definitions

  • the present invention relates to a heat-transfer-medium heating and cooling apparatus, and, more particularly, to a heat-transfer-medium heating and cooling apparatus which performs temperature control of a low-temperature reactor which is used in a chemical reaction process or the like.
  • a chemical reaction process such as organic synthesis or crystallization, requires high-precision temperature control.
  • the chemical reaction process therefore uses a double-structure container having an independent jacket which permits communication of a heat transfer medium with outside a reactor.
  • the interior of the reactor is indirectly kept in a predetermined low temperature state by providing a heat transfer medium feeder for recirculating a heat transfer medium cooled down to a predetermined temperature to the jacket side of the reactor.
  • Such a heat transfer medium feeder generally has an expansion vessel provided in series to the heat-transfer-medium-suction side of the heat transfer medium pump to prevent bubbles from entering the heat transfer medium pump and absorb a change in volume originating from a change in temperature of heat transfer medium.
  • the expansion vessel is provided with pressure control means, such as a pressure control valve or a pressure reducing valve, which makes compressed gas enter the expansion vessel when the volume of the heat transfer medium decreases due to a reduction in temperature of heat transfer medium and drains the compressed gas from the expansion vessel when the volume of the heat transfer medium increases due to a rise in temperature of heat transfer medium.
  • the heat-transfer-medium feeding means if configured to drain the heat transfer medium from inside the jacket and feed the heat transfer medium thereto, makes the device configuration including pipings complex, and needs to switch the heat transfer medium and the heat transfer medium to be supplied to the jacket from one to the other, thereby making the process complex.
  • means for heating a heat transfer medium may be provided in the recirculation system of the heat transfer medium feeder, so that the heat transfer medium is heated to a predetermined temperature and recirculated to the jacket to heat the reactor.
  • the expansion vessel is provided in series to the heat-transfer-medium-suction side of the pump, however, the heat transfer medium in the expansion vessel as well as the heat transfer medium in the pipings in the recirculation system and the jacket should be heated. This results in a huge energy cost required for heating and cooling. Because a large-scale system, in particular, uses a large expansion vessel, the response drops considerably, thus increasing the energy loss.
  • an increase in volume which originates from a rise in temperature of heat transfer medium and vaporization of the heat transfer medium may cause expensive heat transfer medium vapor to be discharged outside when the pressure control means is actuated to discharge the gas in the expansion vessel.
  • a heat-transfer-medium heating and cooling apparatus comprises a pump which pumps out a heat transfer medium; a cooling unit which cools the heat transfer medium discharged from the pump; a reactor whose temperature is controlled by the heat transfer medium output from the cooling unit; and a heating unit which heats the heat transfer medium output from the reactor, wherein a recirculation path for recirculating the heat transfer medium to the pump via the pump, the cooling unit, the reactor, and the heating unit, a reserve path being provided in a pump-suction-side path extending from the heating unit to the pump, and branching from the pump-suction-side path to connect to a liquid phase portion of an expansion vessel.
  • the reserve path may branch upward from the pump-suction-side path, or the expansion vessel may have a condenser communicating with a gas phase portion of the expansion vessel, and having a cooling unit which cools a heat transfer medium vapor for liquification thereof, a path for returning the heat transfer medium liquefied by cooling in the cooling unit, and a gas relief valve which discharges a gas from the gas phase portion of the condenser according to a pressure in the condenser.
  • the heat transfer medium to be heated or cooled can be restricted to the heat transfer medium that recirculates in the recirculation path at the time of switching heating of the reactor to cooling, or vice versa, thus eliminating the need to heat or cool the heat transfer medium in the expansion vessel. This leads to a reduction in energy cost and an improved response and allows the reactor to be reliably heated or cooled to a predetermined temperature.
  • the reserve path which connects to the expansion vessel is branched upward from the pump-suction-side path, bubbles present in the heat transfer medium flowing in the pump-suction-side path can be discharged to the expansion vessel efficiently, thus preventing the bubbles from entering the pump. Further, the provision of the condenser at the expansion vessel can prevent a heat transfer medium vapor in the expansion vessel from being discharged outside through the gas relief valve due to a pressure rise in the recirculation system.
  • the figure is a system diagram showing a heat-transfer-medium heating and cooling apparatus according to one embodiment of the present invention.
  • a heat-transfer-medium heating and cooling apparatus shown in the figure has a pump 11 which pumps out a heat transfer medium, a heat exchanger 12 or a cooling unit which cools down the heat transfer medium pumped out from the pump 11 , a reactor 13 whose temperature is controlled by the heat transfer medium output from the heat exchanger 12 , a heating unit 14 which heats the heat transfer medium output from the reactor 13 , and pipings which connect those components.
  • the pipings form a recirculation path 15 of a closed cycle which recirculates a heat transfer medium to the pump 11 via the pump 11 , the heat exchanger 12 , the reactor 13 and the heating unit 14 .
  • the heat exchanger 12 cools the recirculating heat transfer medium to a predetermined temperature by indirectly exchanging heat with a low-temperature fluid, such as a low-temperature liquefied gas, which is supplied to the heat exchanger 12 from a low-temperature fluid inlet path 16 and discharged to a discharge gas path 17 .
  • the heating unit 14 heats the recirculating heat transfer medium to a predetermined temperature with a heater 14 a.
  • the reactor 13 has a jacket 13 b provided on the outer surface of a reaction container 13 a .
  • the heat transfer medium flows through the jacket 13 b .
  • the temperature of the heat transfer medium to be supplied to the jacket 13 b is adjusted by controlling the opening/closing of a flow regulator 20 provided in the low-temperature fluid inlet path 16 and the performance of the heater 14 a using a temperature indicator and controller (TIC) 19 provided in an inlet-side path 18 of the jacket 13 b.
  • TIC temperature indicator and controller
  • a reserve path 23 which branches upward from a pump-suction-side path 21 and connects to a liquid phase portion 22 a of an expansion vessel 22 , is provided in the pump-suction-side path 21 extending from the heating unit 14 to the pump 11 .
  • the expansion vessel 22 is provided branching from the recirculation path 15 via the reserve path 23 , and, unlike the conventional type, is separated from the recirculation flow of the heat transfer medium, not in series to the recirculation flow from the viewpoint of flow.
  • the expansion vessel 22 is configured so that the expansion vessel 22 and the recirculation path 15 exchange the heat transfer medium according to a change in the volume of the heat transfer medium flowing in the recirculation path 15 , and the recirculation path 15 is set in a liquid sealing state to inhibit a gas from entering the recirculation path 15 from the expansion vessel 22 .
  • a gas phase portion 22 b of the expansion vessel 22 is connected with a gas inlet valve 24 , which is actuated according to the pressure in the expansion vessel 22 , and a condenser 25 .
  • the condenser 25 is provided with a gas relief valve 26 which is actuated according to the pressure in the condenser 25 .
  • the condenser 25 has a cooling unit 27 for cooling a heat transfer medium vapor for liquification thereof, a mist separator 28 that separates the heat transfer medium liquefied by the cooling unit 27 and a gas which is not liquefied from each other, a heat transfer medium return path 29 for returning the heat transfer medium separated by the mist separator 28 to the expansion vessel 22 , and a float valve 30 which is opened and closed according to the amount of the heat transfer medium (the amount of the fluid) remaining in the mist separator 28 and a differential pressure.
  • the gas inlet valve 24 and the gas relief valve 26 are actuated according to a change in pressure originating from a change in the volume of the heat transfer medium recirculating in the recirculation path 15 which communicates with the valves 24 and 26 by means of pressure.
  • the gas relief valve 26 is actuated to release the gas in the system to the outside thereof, thereby keeping the pressure in the system to or lower a set upper limit pressure.
  • the gas inlet valve 24 is opened to supply a gas which does not affect the heat transfer medium, e.g., a nitrogen gas, from outside the system as a compressed gas, thereby keeping the pressure in the system to or higher a set lower limit pressure.
  • a gas which does not affect the heat transfer medium e.g., a nitrogen gas
  • the heat transfer medium vapor contained in the gas can be condensed for liquification by cooling the gas which is drained from the gas phase portion 22 b of the expansion vessel 22 with the cooling unit 27 of the condenser 25 . This can prevent the heat transfer medium vapor as well as the gas to be released through the gas relief valve 26 from being discharged to the outside.
  • the float valve 30 is opened to return the heat transfer medium to the expansion vessel 22 for recycle from the mist separator 28 via the heat transfer medium return path 29 .
  • the temperature indicator and controller 19 is actuated according to the temperature of the heat transfer medium flowing in the inlet-side path 18 , so that at the time of cooling, the cooling state of the heat transfer medium in the heat exchanger 12 is regulated by mainly controlling the degree of opening of the flow regulator 20 .
  • the heat transfer medium in the expansion vessel 22 flows into the recirculation path 15 due to a reduction in the volume of the heat transfer medium originating from a temperature drop, and the gas inlet valve 24 is opened or closed according to a pressure drop originating from a reduction in the amount of the heat transfer medium in the expansion vessel 22 , permitting supply of the compressed gas into the system to keep the pressure in the system at a predetermined pressure.
  • the heat transfer medium which has a relatively high temperature flows into the recirculation path 15 from the expansion vessel 22 .
  • the flow amount of the heat transfer medium is a slight amount according to the amount of the volume of the heat transfer medium reduced by cooling, however, it does not cause a large change in the temperature of the heat transfer medium recirculating the recirculation path 15 .
  • the heat-transfer-medium heating and cooling apparatus of the invention can reduce the energy cost for cooling the heat transfer medium significantly as compared with the conventional apparatus, and is excellent in response characteristic.
  • the temperature indicator and controller 19 With a predetermined heating temperature set in the temperature indicator and controller 19 at the time of heating the reactor 13 , the temperature indicator and controller 19 is actuated according to the temperature of the heat transfer medium flowing in the inlet-side path 18 , so that at the time of heating, the heating state of the heat transfer medium in the heating unit 14 is regulated by mainly controlling the performance of the heating unit 14 .
  • an increase in the volume of the heat transfer medium originating from an increase in the temperature of the heat transfer medium causes a part of the heat transfer medium recirculating in the recirculation path 15 to flow-into the expansion vessel 22 , thus raising the pressure in the condenser 25 .
  • the gas relief valve 26 is opened or closed according to the pressure rise to discharge the gas outside the system, thereby keeping the pressure in the system at a predetermined level. Bubbles of the heat transfer medium vapor generated by heating float in the heating unit 14 in the reserve path 23 branching upward from the pump-suction-side path 21 , thus preventing the pump 11 from sucking the bubbles.
  • the bubbles of the heat transfer medium vapor floating in the expansion vessel 22 from the reserve path 23 flow into the liquid phase portion 22 a of the expansion vessel 22 , and contacts a heat transfer medium lower in temperature than the heat transfer medium that recirculates in the recirculation path 15 for reliquification or is reliquefied at the cooling unit 27 of the condenser 25 .
  • Bubbles in the heat transfer medium can be efficiently floated toward the reserve path 23 to be separated by branching the reserve path 23 upward from the pump-suction-side path 21 in the vertical direction, and using thick pipes for the pump-suction-side path 21 and the reserve path 23 or bending the pump ( 11 ) side portion of the pump-suction-side path 21 downward.
  • the heat transfer medium to be heated is just the heat transfer medium that recirculates in the recirculation path 15 as mentioned above, it is possible to considerably reduce the energy cost required for heating the heat transfer medium and improve the response characteristic.
  • the heat transfer medium that is heated by the heating unit 14 according to an increase in the volume of the heat transfer medium flows into the expansion vessel 22 , the flow amount of the heat transfer medium is small and the heat transfer medium is not heated further. Accordingly, a heat transfer medium vapor is hardly generated in the expansion vessel 22 , so that even if the heat transfer medium vapor is evaporated, the vapor can be trapped by the condenser 25 for recycle, thereby minimizing the loss of the heat transfer medium.
  • the heating unit and the cooling unit in use which are provided in the recirculation path 15 , can be selected adequately according to the conditions, such as the heating temperature, the cooling temperature and the process amount. Any heating source and any cooling source can be used.
  • the cooling temperature in the cooling unit 27 can be set arbitrarily according to the boiling point of the heat transfer medium, the expected amount of vapor, and the vapor temperature.
  • An ordinary cooling system such as air cooling or water cooling, can be employed, and the cooling system can take any structure and shape.
  • the heat transfer medium in use can be selected adequately according to the cooling temperature and the heating temperature. For example, silicone oil or alcohols, hydrofluoroether can be used as the heat transfer medium.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
US11/590,819 2005-11-04 2006-11-01 Heat-transfer-medium heating and cooling apparatus Abandoned US20070104626A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005320360A JP4068108B2 (ja) 2005-11-04 2005-11-04 熱媒加熱冷却装置
JP2005-320360 2005-11-04

Publications (1)

Publication Number Publication Date
US20070104626A1 true US20070104626A1 (en) 2007-05-10

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Application Number Title Priority Date Filing Date
US11/590,819 Abandoned US20070104626A1 (en) 2005-11-04 2006-11-01 Heat-transfer-medium heating and cooling apparatus

Country Status (5)

Country Link
US (1) US20070104626A1 (zh)
JP (1) JP4068108B2 (zh)
CN (1) CN100541065C (zh)
HK (1) HK1100693A1 (zh)
SG (1) SG131914A1 (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100193176A1 (en) * 2007-09-21 2010-08-05 Taiyo Nippon Sanso Corporation Heat medium heating-cooling apparatus and heat medium temperature control method
US20110056662A1 (en) * 2008-05-28 2011-03-10 Tsiyo Nippon Sanso Corporation Refrigerant cooling apparatus
US20110107970A1 (en) * 2009-11-06 2011-05-12 Samsung Mobile Display Co., Ltd. Heating unit and substrate processing apparatus having the same
US20130192684A1 (en) * 2010-04-13 2013-08-01 Yatsuo Dairy Cooperative Method for contamination prevention in fluid storage tank requiring temperature control, and device therefor
US20160231062A1 (en) * 2013-09-17 2016-08-11 Lg Chem, Ltd. Heat recovery device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010131522A (ja) * 2008-12-04 2010-06-17 Mitsubishi Rayon Co Ltd 晶析装置および晶析物除去方法
CN103874898B (zh) * 2011-10-11 2016-03-30 大阳日酸株式会社 低温气体供给装置、载热体冷却装置及低温反应控制装置
JP2014148540A (ja) * 2014-05-13 2014-08-21 Mitsubishi Rayon Co Ltd 晶析装置および晶析物除去方法
CN104457088A (zh) * 2014-10-14 2015-03-25 安徽轩扬包装科技有限公司 一种用于印刷企业的双重制冷设备
JP7175353B1 (ja) * 2021-07-07 2022-11-18 大陽日酸株式会社 ２次冷媒の冷却循環装置及び冷却循環方法

Citations (13)

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US2788264A (en) * 1953-05-25 1957-04-09 Shell Dev Apparatus for temperature control of chemical reaction vessels
US2944405A (en) * 1955-10-27 1960-07-12 Union Tank Car Co Conservation arrangement
US3791422A (en) * 1971-11-11 1974-02-12 Texaco Inc Service station gasoline vapor recovery system
US3827879A (en) * 1973-02-22 1974-08-06 Fierro Esponja Method for the gaseous reduction of metal ores
US4140266A (en) * 1976-03-19 1979-02-20 Linde Aktiengesellschaft Apparatus for the soldering together of plates of a plate heat exchanger
US4671071A (en) * 1985-05-07 1987-06-09 Nissan Motor Company, Limited Fuel-vapor recovery system
US4744408A (en) * 1984-11-30 1988-05-17 Herzog-Hart Corporation Temperature control method and apparatus
US5024061A (en) * 1989-12-12 1991-06-18 Terrestrial Engineering Corporation Recovery processing and storage unit
US5415196A (en) * 1993-12-08 1995-05-16 Bryant; Billy O. Tank vapor pressure control system
US5602216A (en) * 1995-07-26 1997-02-11 Sulzer Chemtech Ag Process and apparatus for performing a polymerisation in a tube reactor
US6758981B2 (en) * 2001-12-21 2004-07-06 Hydrogenics Corporation Method and apparatus for by-product removal in a hydrogen generation system
US20040136879A1 (en) * 2003-01-09 2004-07-15 Argonaut Technologies, Inc. Multi-channel parallel module temperature control system
US6990818B2 (en) * 2001-08-01 2006-01-31 Forschungszentrum Karlsruhe Gmbh Device for the recondensation, by means of a cryogenerator, of low-boiling gases evaporating from a liquid gas container

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JP2000012291A (ja) * 1998-06-22 2000-01-14 Sumitomo Metal Ind Ltd プラズマ処理装置

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2788264A (en) * 1953-05-25 1957-04-09 Shell Dev Apparatus for temperature control of chemical reaction vessels
US2944405A (en) * 1955-10-27 1960-07-12 Union Tank Car Co Conservation arrangement
US3791422A (en) * 1971-11-11 1974-02-12 Texaco Inc Service station gasoline vapor recovery system
US3827879A (en) * 1973-02-22 1974-08-06 Fierro Esponja Method for the gaseous reduction of metal ores
US4140266A (en) * 1976-03-19 1979-02-20 Linde Aktiengesellschaft Apparatus for the soldering together of plates of a plate heat exchanger
US4744408A (en) * 1984-11-30 1988-05-17 Herzog-Hart Corporation Temperature control method and apparatus
US4671071A (en) * 1985-05-07 1987-06-09 Nissan Motor Company, Limited Fuel-vapor recovery system
US5024061A (en) * 1989-12-12 1991-06-18 Terrestrial Engineering Corporation Recovery processing and storage unit
US5415196A (en) * 1993-12-08 1995-05-16 Bryant; Billy O. Tank vapor pressure control system
US5602216A (en) * 1995-07-26 1997-02-11 Sulzer Chemtech Ag Process and apparatus for performing a polymerisation in a tube reactor
US6990818B2 (en) * 2001-08-01 2006-01-31 Forschungszentrum Karlsruhe Gmbh Device for the recondensation, by means of a cryogenerator, of low-boiling gases evaporating from a liquid gas container
US6758981B2 (en) * 2001-12-21 2004-07-06 Hydrogenics Corporation Method and apparatus for by-product removal in a hydrogen generation system
US20040136879A1 (en) * 2003-01-09 2004-07-15 Argonaut Technologies, Inc. Multi-channel parallel module temperature control system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100193176A1 (en) * 2007-09-21 2010-08-05 Taiyo Nippon Sanso Corporation Heat medium heating-cooling apparatus and heat medium temperature control method
US8197760B2 (en) * 2007-09-21 2012-06-12 Taiyo Nippon Sanso Corporation Heat medium heating-cooling apparatus and heat medium temperature control method
US20110056662A1 (en) * 2008-05-28 2011-03-10 Tsiyo Nippon Sanso Corporation Refrigerant cooling apparatus
US20110107970A1 (en) * 2009-11-06 2011-05-12 Samsung Mobile Display Co., Ltd. Heating unit and substrate processing apparatus having the same
US8815016B2 (en) * 2009-11-06 2014-08-26 Samsung Display Co., Ltd. Heating unit and substrate processing apparatus having the same
US20130192684A1 (en) * 2010-04-13 2013-08-01 Yatsuo Dairy Cooperative Method for contamination prevention in fluid storage tank requiring temperature control, and device therefor
US9248480B2 (en) * 2010-04-13 2016-02-02 Yatsuo Dairy Cooperative Method for contamination prevention in fluid storage tank requiring temperature control, and device therefor
US10058903B2 (en) 2010-04-13 2018-08-28 Yatsuo Diary Cooperative Method for contamination prevention in fluid storage tank requiring temperature control, and device therefor
US10562082B2 (en) 2010-04-13 2020-02-18 Yatsuo Dairy Cooperative Method for contamination prevention in fluid storage tank requiring temperature control, and device therefor
US20160231062A1 (en) * 2013-09-17 2016-08-11 Lg Chem, Ltd. Heat recovery device
US10105670B2 (en) * 2013-09-17 2018-10-23 Lg Chem, Ltd. Heat recovery device

Also Published As

Publication number Publication date
CN1959310A (zh) 2007-05-09
SG131914A1 (en) 2007-05-28
JP2007127334A (ja) 2007-05-24
HK1100693A1 (en) 2007-09-28
CN100541065C (zh) 2009-09-16
JP4068108B2 (ja) 2008-03-26

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