WO2008071731A1 - An evaporator - Google Patents

An evaporator Download PDF

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Publication number
WO2008071731A1
WO2008071731A1 PCT/EP2007/063769 EP2007063769W WO2008071731A1 WO 2008071731 A1 WO2008071731 A1 WO 2008071731A1 EP 2007063769 W EP2007063769 W EP 2007063769W WO 2008071731 A1 WO2008071731 A1 WO 2008071731A1
Authority
WO
WIPO (PCT)
Prior art keywords
evaporator
upper plate
passage
passages
phase refrigerant
Prior art date
Application number
PCT/EP2007/063769
Other languages
French (fr)
Inventor
Husnu Kerpicci
Sevan Agopyan
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Publication of WO2008071731A1 publication Critical patent/WO2008071731A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F25B39/022—Evaporators with plate-like or laminated elements
    • 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
    • F28D1/03—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 with plate-like or laminated conduits
    • F28D1/0308—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 with plate-like or laminated conduits the conduits being formed by paired plates touching each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/12—Sound
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2240/00—Spacing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/04—Communication passages between channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels

Definitions

  • the present invention relates to an evaporator used in cooling devices.
  • the evaporator In cooling devices, for example in deep freezers, the evaporator is disposed inside the body by folding in the shape of a serpentine for carrying out the cooling process. Thus the heat transfer between the interior volume of the cooling device and the evaporator ducts is increased.
  • the evaporators used can be wire- on-tube that are made by joining wires on tubes, roll-bond type wherein flow is maintained between two plates or tube on sheet wherein tubes contact the sheets.
  • different design methods are utilized in the production of evaporators for increasing thermal efficiency and performance.
  • the object of the present invention is to design an evaporator with enhanced efficiency.
  • the refrigerant entering from the inlet duct evaporates during the flow in the evaporator by absorbing heat from the surroundings.
  • the refrigerant in the gas phase leaves the evaporator following the passages at the upper part of the separators that direct the flow of the liquid phase refrigerant entering the evaporator.
  • the gas-phase refrigerant having less density separates from the liquid phase refrigerant and rises, directly delivered to the compressor through the flow path in the passages, preventing loss of pressure that may form in the system.
  • the gas phase refrigerant does not follow the path winding between the separators that the liquid phase refrigerant follows.
  • the gas phase refrigerant that proceeds in the passages by-passes this path.
  • the passages whereby the gas phase refrigerant is directed outside of the evaporator are configured to be aligned at the same level.
  • the gas phase refrigerant is discharged from the evaporator faster.
  • the passage is disposed on the upper plate and formed by cambering the upper plate or opening channels thereon such that a gap is formed above the separators.
  • the gas phase refrigerant generated in the evaporator exits outside from the vapor outlet by following the passage formed at the upper plate.
  • the passage is formed by configuring recesses, perforations on the separators.
  • the generated suction force provides the refrigerant vaporized in the evaporator to exit from the vapor outlet and leave the liquid phase refrigerant in the evaporator. Consequently, energy consumption is decreased and the noise level in the evaporator is improved as well.
  • Figure 1 - is the exploded view of the evaporator in the present invention.
  • Figure 2 - is the schematic view of the evaporator.
  • Figure 3 - is the perspective view of the lower plate.
  • Figure 4 - is the exploded view of the evaporator in a different embodiment.
  • the evaporator (1) of the present invention comprises an upper plate (2), a lower plate (3) and at least one separator (4) disposed between the upper plate (2) and the lower plate (3), forming the flow path (A) of the refrigerant.
  • the evaporator (1) is positioned horizontally.
  • the upper plate (2) and the lower plate (3) are joined together by the side walls.
  • the separators (4) extend virtually parallel to each other between the two opposite side walls, adjoining to one of the side walls and having a gap therebetween the other.
  • the separators (4) are in contact with the upper plate (2) and the lower plate (3).
  • the separators (4) form a serpentine shaped flow path (A) with the refrigerant windingly flowing therethrough.
  • the evaporator (1) furthermore comprises at least one passage (5) disposed between the separator (4) and the upper plate (2) wherein at least some portion of the gas phase refrigerant flows.
  • the passage (5) Since the evaporator (1) is positioned horizontally, the passage (5) is positioned such that it will be higher than the lower plate (3) and adjacent or near the upper plate (2). Thus, the passage (5) shortens the exit path by making a by-pass for the gas phase re- frigerant generated when the refrigerant contacts the surfaces of the upper and lower plates (2, 3) and rises.
  • the gas phase refrigerant does not follow the serpentine shaped flow path (A) but follows the shorter by-pass conduit (B) formed by the passages (5).
  • the evaporator (1) furthermore comprises at least one inlet duct (6) wherefrom the refrigerant enters and an outlet duct (7) for exiting thereof and at least one vapor outlet (8) wherefrom the gas phase refrigerant that is generated during flow, proceeding in the by-pass conduit (B) formed by the passages (5) is delivered to the compressor inlet.
  • the by-pass conduit (B) formed by the passages (B) and the vapor outlet (8) are positioned to be virtually opposite. Thus the discharge from the evaporator (1) of the gas phase refrigerant flowing from the passages (5) can be accelerated.
  • the refrigerant enters the evaporator (1) in liquid phase from the inlet duct (6) and completes the cycle by following the flow path (A) between the separators (4) and exits from the outlet duct (7).
  • the refrigerant vaporizing during the flow rises and is directed to the passages (5), exiting from the vapor outlet (8) ( Figure X).
  • the passage (5) is disposed on the separator (4) and is formed by opening a recess or hole on the separator (4) ( Figures 1 and 3).
  • the passage (5) is configured by cambering the upper plate (2) or forming a channel on the upper plate (2) that serves as a passage (5) ( Figure 4).
  • the liquid phase refrigerant evaporates by absorbing heat from the surroundings during the flow of the refrigerant in the evaporator (1).
  • the gas phase refrigerant follows the by-pass conduit (B) formed by the passages (5) situated on the separators (4) and delivered directly to the compressor return pipe from the vapor outlet (8). Consequently, the gas phase refrigerant having a lower density is separated from the liquid phase refrigerant and delivered directly to the compressor from the by-pass conduit (B) formed by the passages (5).
  • the pressure loss that might happen in the system is prevented.
  • the generated suction force provides the evaporating refrigerant in the evaporator (1) to rapidly leave from the vapor outlet (8) and the liquid phase refrigerant to always remain in the evaporator (1). Consequently, energy consumption is decreased and the noise level in the evaporator (1) is improved as well.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

The present invention relates to an evaporator (1) comprising an upper plate (2), a lower plate (3) and at least one separator (4) disposed between the upper plate (2) and the lower plate (3), and at least one passage (5) disposed between the separator (4) and the upper plate (2) whereto the gas phase refrigerant is directed, that is generated by the refrigerant contacting the surfaces of the upper and lower plates (2, 3).

Description

Description AN EVAPORATOR
[0001] The present invention relates to an evaporator used in cooling devices.
[0002] In cooling devices, for example in deep freezers, the evaporator is disposed inside the body by folding in the shape of a serpentine for carrying out the cooling process. Thus the heat transfer between the interior volume of the cooling device and the evaporator ducts is increased. In this type of cooling devices, the evaporators used can be wire- on-tube that are made by joining wires on tubes, roll-bond type wherein flow is maintained between two plates or tube on sheet wherein tubes contact the sheets. In state of the art, different design methods are utilized in the production of evaporators for increasing thermal efficiency and performance.
[0003] In state of the art United States of America Patent No US3234755, an evaporator is mentioned which provides effective heat transfer, having rectangular cross-section duct-like elements disposed between two flat plates horizontally, that extend to the side edges of one another reciprocally and connected in parallel between the suction and discharge manifolds.
[0004] In state of the art United States of America Patent No US2573583, an evaporator is described that comprise equal thickness rods between the rectangularly configured walls. In this evaporator type, the fluid flows windingly between the rods.
[0005] The object of the present invention is to design an evaporator with enhanced efficiency.
[0006] The evaporator designed to fulfill the objectives of the present invention is explicated in the claims.
[0007] In the embodiment of the present invention, the refrigerant entering from the inlet duct evaporates during the flow in the evaporator by absorbing heat from the surroundings. The refrigerant in the gas phase leaves the evaporator following the passages at the upper part of the separators that direct the flow of the liquid phase refrigerant entering the evaporator. Thus, the gas-phase refrigerant having less density separates from the liquid phase refrigerant and rises, directly delivered to the compressor through the flow path in the passages, preventing loss of pressure that may form in the system.
[0008] By means of the passages, the gas phase refrigerant does not follow the path winding between the separators that the liquid phase refrigerant follows. The gas phase refrigerant that proceeds in the passages by-passes this path.
[0009] In an embodiment of the present invention, the passages whereby the gas phase refrigerant is directed outside of the evaporator are configured to be aligned at the same level. Thus the gas phase refrigerant is discharged from the evaporator faster.
[0010] In another embodiment of the present invention, the passage is disposed on the upper plate and formed by cambering the upper plate or opening channels thereon such that a gap is formed above the separators. The gas phase refrigerant generated in the evaporator exits outside from the vapor outlet by following the passage formed at the upper plate.
[0011] In another embodiment of the present invention, the passage is formed by configuring recesses, perforations on the separators.
[0012] Since the vapor outlet is directly connected to the compressor, the generated suction force provides the refrigerant vaporized in the evaporator to exit from the vapor outlet and leave the liquid phase refrigerant in the evaporator. Consequently, energy consumption is decreased and the noise level in the evaporator is improved as well.
[0013] The evaporator designed to fulfill the objective of the present invention is illustrated in the attached figures, where:
[0014] Figure 1 - is the exploded view of the evaporator in the present invention.
[0015] Figure 2 - is the schematic view of the evaporator.
[0016] Figure 3 - is the perspective view of the lower plate.
[0017] Figure 4 - is the exploded view of the evaporator in a different embodiment.
[0018] The elements illustrated in the figures are numbered as follows:
1. Evaporator
2. Upper plate
3. Lower plate
4. Separator
5. Passage
6. Inlet duct
7. Outlet duct
8. Vapor outlet
[0019] The evaporator (1) of the present invention comprises an upper plate (2), a lower plate (3) and at least one separator (4) disposed between the upper plate (2) and the lower plate (3), forming the flow path (A) of the refrigerant.
[0020] The evaporator (1) is positioned horizontally. The upper plate (2) and the lower plate (3) are joined together by the side walls. The separators (4) extend virtually parallel to each other between the two opposite side walls, adjoining to one of the side walls and having a gap therebetween the other. The separators (4) are in contact with the upper plate (2) and the lower plate (3). By means of this configuration, the separators (4) form a serpentine shaped flow path (A) with the refrigerant windingly flowing therethrough.
[0021] The evaporator (1) furthermore comprises at least one passage (5) disposed between the separator (4) and the upper plate (2) wherein at least some portion of the gas phase refrigerant flows.
[0022] Since the evaporator (1) is positioned horizontally, the passage (5) is positioned such that it will be higher than the lower plate (3) and adjacent or near the upper plate (2). Thus, the passage (5) shortens the exit path by making a by-pass for the gas phase re- frigerant generated when the refrigerant contacts the surfaces of the upper and lower plates (2, 3) and rises. The gas phase refrigerant does not follow the serpentine shaped flow path (A) but follows the shorter by-pass conduit (B) formed by the passages (5).
[0023] The evaporator (1) furthermore comprises at least one inlet duct (6) wherefrom the refrigerant enters and an outlet duct (7) for exiting thereof and at least one vapor outlet (8) wherefrom the gas phase refrigerant that is generated during flow, proceeding in the by-pass conduit (B) formed by the passages (5) is delivered to the compressor inlet.
[0024] The by-pass conduit (B) formed by the passages (B) and the vapor outlet (8) are positioned to be virtually opposite. Thus the discharge from the evaporator (1) of the gas phase refrigerant flowing from the passages (5) can be accelerated.
[0025] The refrigerant enters the evaporator (1) in liquid phase from the inlet duct (6) and completes the cycle by following the flow path (A) between the separators (4) and exits from the outlet duct (7). The refrigerant vaporizing during the flow, rises and is directed to the passages (5), exiting from the vapor outlet (8) (Figure X).
[0026] In an embodiment of the present invention, the passage (5) is disposed on the separator (4) and is formed by opening a recess or hole on the separator (4) (Figures 1 and 3).
[0027] In another embodiment of the present invention, the passage (5) is configured by cambering the upper plate (2) or forming a channel on the upper plate (2) that serves as a passage (5) (Figure 4).
[0028] In the cooling device of the present invention, the liquid phase refrigerant evaporates by absorbing heat from the surroundings during the flow of the refrigerant in the evaporator (1). The gas phase refrigerant follows the by-pass conduit (B) formed by the passages (5) situated on the separators (4) and delivered directly to the compressor return pipe from the vapor outlet (8). Consequently, the gas phase refrigerant having a lower density is separated from the liquid phase refrigerant and delivered directly to the compressor from the by-pass conduit (B) formed by the passages (5). Thus, the pressure loss that might happen in the system is prevented.
[0029] Since the vapor outlet (8) is directly connected to the compressor, the generated suction force provides the evaporating refrigerant in the evaporator (1) to rapidly leave from the vapor outlet (8) and the liquid phase refrigerant to always remain in the evaporator (1). Consequently, energy consumption is decreased and the noise level in the evaporator (1) is improved as well.

Claims

Claims
[0001] An evaporator (1) comprising an upper plate (2), a lower plate (3) and at least one separator (4) disposed between the upper plate (2) and the lower plate (3), configuring the flow path (A) of the refrigerant and characterized by at least one passage (5) disposed between the separator (4) and the upper plate (2) at a position near the upper plate (2) wherein at least some portion of the gas phase refrigerant flows.
[0002] An evaporator (1) as in Claim 1, characterized by a by-pass conduit (B) formed by the passages (5), that is shorter than the serpentine shaped flow path (A).
[0003] An evaporator (1) as in Claim 1 or 2, characterized by a passage (5) that is formed by cambering the center of the upper plate (2).
[0004] An evaporator (1) as in Claim 1 or 2, characterized by a passage (5) that forms a channel on the upper plate (2).
[0005] An evaporator (1) as in Claim 1 or 2, characterized by a passage (5) that is formed by configuring a recess on the separator (4).
[0006] An evaporator (1) as in any one of the above claims, characterized by a vapor outlet (8) wherefrom the gas phase refrigerant flowing in the by-pass conduit (B) formed by the passages (5) is discharged.
[0007] An evaporator (1) as in Claim 6, characterized by a vapor outlet (8) that is positioned to be virtually opposite the by-pass conduit (B) formed by the passages (5).
PCT/EP2007/063769 2006-12-15 2007-12-12 An evaporator WO2008071731A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200607166 2006-12-15
TRTR2006/07166 2006-12-15

Publications (1)

Publication Number Publication Date
WO2008071731A1 true WO2008071731A1 (en) 2008-06-19

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PCT/EP2007/063769 WO2008071731A1 (en) 2006-12-15 2007-12-12 An evaporator

Country Status (2)

Country Link
TR (1) TR200903715T1 (en)
WO (1) WO2008071731A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2131641A1 (en) * 2008-06-04 2009-12-09 ABB Oy Cooling element for an electrical circuit
WO2010063550A1 (en) 2008-12-02 2010-06-10 BSH Bosch und Siemens Hausgeräte GmbH Evaporator for a refrigerator
WO2018211135A1 (en) * 2017-05-19 2018-11-22 Valeo Systemes Thermiques Phase separator for a refrigerant circuit in a ventilation, heating and/or air-conditioning system of a motor vehicle
CN109855452A (en) * 2018-07-20 2019-06-07 国网山东综合能源服务有限公司 A kind of shell-and-tube heat exchanger containing on-condensible gas
CN109855451A (en) * 2018-07-20 2019-06-07 国网山东省电力公司聊城供电公司 A kind of vapor heat exchanger evenly distributing flow
CN109855453A (en) * 2018-07-20 2019-06-07 国网山东综合能源服务有限公司 A kind of vehicle repair major flow tube shell type heat exchanger
CN109855449A (en) * 2018-07-20 2019-06-07 国网山东省电力公司聊城供电公司 A kind of shell-and-tube heat exchanger generating steam
CN109855450A (en) * 2018-07-20 2019-06-07 国网山东综合能源服务有限公司 A kind of design method of on-condensible gas pipe for shell-and-tube exchanger spacing

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573583A (en) * 1947-01-03 1951-10-30 Kold Hold Mfg Co Plate type refrigerant evaporator
US3234755A (en) * 1964-03-09 1966-02-15 Richelli Federico Horizontal freezing plate for a twin contact freezer
FR1600802A (en) * 1968-06-17 1970-08-03
US4443188A (en) * 1981-05-20 1984-04-17 Bbc Brown, Boveri & Company, Ltd. Liquid cooling arrangement for industrial furnaces
JPS62280585A (en) * 1986-05-28 1987-12-05 Matsushita Refrig Co Heat transfer pipe
US5641589A (en) * 1992-11-02 1997-06-24 Saft Storage cell battery unit equipped with a cooling device
EP1662220A2 (en) * 2004-11-02 2006-05-31 Calsonic Kansei Corporation Plate-like heat exchanger

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573583A (en) * 1947-01-03 1951-10-30 Kold Hold Mfg Co Plate type refrigerant evaporator
US3234755A (en) * 1964-03-09 1966-02-15 Richelli Federico Horizontal freezing plate for a twin contact freezer
FR1600802A (en) * 1968-06-17 1970-08-03
US4443188A (en) * 1981-05-20 1984-04-17 Bbc Brown, Boveri & Company, Ltd. Liquid cooling arrangement for industrial furnaces
JPS62280585A (en) * 1986-05-28 1987-12-05 Matsushita Refrig Co Heat transfer pipe
US5641589A (en) * 1992-11-02 1997-06-24 Saft Storage cell battery unit equipped with a cooling device
EP1662220A2 (en) * 2004-11-02 2006-05-31 Calsonic Kansei Corporation Plate-like heat exchanger

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2131641A1 (en) * 2008-06-04 2009-12-09 ABB Oy Cooling element for an electrical circuit
WO2010063550A1 (en) 2008-12-02 2010-06-10 BSH Bosch und Siemens Hausgeräte GmbH Evaporator for a refrigerator
WO2018211135A1 (en) * 2017-05-19 2018-11-22 Valeo Systemes Thermiques Phase separator for a refrigerant circuit in a ventilation, heating and/or air-conditioning system of a motor vehicle
FR3066403A1 (en) * 2017-05-19 2018-11-23 Valeo Systemes Thermiques PHASE SEPARATOR FOR A REFRIGERANT FLUID CIRCUIT IN A VENTILATION, HEATING AND / OR AIR CONDITIONING FACILITY OF A MOTOR VEHICLE
CN109855452A (en) * 2018-07-20 2019-06-07 国网山东综合能源服务有限公司 A kind of shell-and-tube heat exchanger containing on-condensible gas
CN109855451A (en) * 2018-07-20 2019-06-07 国网山东省电力公司聊城供电公司 A kind of vapor heat exchanger evenly distributing flow
CN109855453A (en) * 2018-07-20 2019-06-07 国网山东综合能源服务有限公司 A kind of vehicle repair major flow tube shell type heat exchanger
CN109855449A (en) * 2018-07-20 2019-06-07 国网山东省电力公司聊城供电公司 A kind of shell-and-tube heat exchanger generating steam
CN109855450A (en) * 2018-07-20 2019-06-07 国网山东综合能源服务有限公司 A kind of design method of on-condensible gas pipe for shell-and-tube exchanger spacing
CN109855452B (en) * 2018-07-20 2020-03-17 国网山东综合能源服务有限公司 Shell-and-tube heat exchanger containing non-condensable gas
CN109855450B (en) * 2018-07-20 2020-08-18 国网山东综合能源服务有限公司 Design method for tube spacing of non-condensable gas shell-and-tube heat exchanger

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