CN108954944A - Shell is connected shell-tube type double space plate cold water evaporator - Google Patents

Shell is connected shell-tube type double space plate cold water evaporator Download PDF

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Publication number
CN108954944A
CN108954944A CN201711028174.9A CN201711028174A CN108954944A CN 108954944 A CN108954944 A CN 108954944A CN 201711028174 A CN201711028174 A CN 201711028174A CN 108954944 A CN108954944 A CN 108954944A
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CN
China
Prior art keywords
shell
copper pipe
outlet
type double
cold water
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.)
Withdrawn
Application number
CN201711028174.9A
Other languages
Chinese (zh)
Inventor
龙炽坚
周嘉欣
吴建龙
梁辉
梁靖玮
周友开
梁舒欣
梁美芳
谭锦荣
周永潮
陈志雄
李伟明
梁美莹
杨萍
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201711028174.9A priority Critical patent/CN108954944A/en
Publication of CN108954944A publication Critical patent/CN108954944A/en
Withdrawn legal-status Critical Current

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F11/00—Arrangements for sealing leaky tubes and conduits
    • 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
    • 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
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/02—Details of evaporators
    • F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
    • F25B2339/0242—Evaporators with refrigerant in a vessel in which is situated a heat exchanger having tubular elements
    • 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
    • F25B2500/01—Geometry problems, e.g. for reducing size
    • 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
    • F25B2500/17—Size reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

Shell is connected shell-tube type double space plate cold water evaporator, including shell, drive end bearing bracket, front baffle, spacing board, rear end cap, rear bulkhead and copper pipe；The shell is cylindrical cast iron housing, and shell described in multistage, which joins end to end, to be serially connected and seal；Shell of each section of the shell as the evaporator of a refrigeration system；The copper pipe carries out draw process in the end of grafting；There is bolt hole at the bottom case of drive end bearing bracket and the edge of shell；The spacing board is two ring flanges, is welded respectively with the shell of the left and right sides；Water cavity is formed between the rear end cap and the rear bulkhead；The copper pipe is in the interior of shell；Space hold of the present invention is few；Copper pipe welds after the draw and is able to maintain opposite sealing, it is not easy to leak.

Description

Shell is connected shell-tube type double space plate cold water evaporator
Technical field
The present invention relates to technical field of central air more particularly to the connected shell-tube type double space plate cold water evaporators of shell.
Background technique
Evaporator and condenser in refrigeration system are all a kind of concrete forms of heat exchanger, in central air-conditioning industry, The form of evaporator is more varied, including the diversified forms such as shell-and-tube, board-like.Shell-and-tube applies in general to prepare cold water Air-cooled unit.In national most of region, different calendar variations causes refrigerating capacity different, such as the refrigeration peak of summer When need to put into high gear to freeze, but refrigeration demands less season does not need full-amount inrush then in winter etc..Mesh It is preceding also to have converter technique that solve the problems, such as that refrigerating capacity changes in a certain range, but excessive refrigerating capacity is changed It is in fact helpless.The cooling capacity that separate unit water cooler is capable of providing is limited, and is run together by more water coolers to improve Refrigerating capacity, respective refrigeration system still independent operating are not interfere with each other, and stop several systems when refrigeration capacity requirement is reduced Cooling system.But the problem of arrangement of multiple refrigeration systems will lead to space utilization rate, condenser are mounted on outdoor general still solution Certainly, but as evaporator it is necessarily mounted at interior, and the space for accommodating evaporator is limited, it is necessary to consider that multiple refrigeration systems The installation space problem of the evaporator of system.
Summary of the invention
It is an object of the invention to propose a kind of connected shell-tube type double space plate cold water evaporator of shell.
To achieve this purpose, the present invention adopts the following technical scheme:
Shell is connected shell-tube type double space plate cold water evaporator, including shell, drive end bearing bracket, front baffle, spacing board, rear end cap, after Partition and copper pipe；
The shell is cylindrical cast iron housing, and shell described in multistage, which joins end to end, to be serially connected and seal；Each section Shell of the shell as the evaporator of a refrigeration system；Each section of the shell is equipped with refrigerant inlet, refrigeration Agent outlet, exhaust outlet and oil discharge outlet；The refrigerant outlet is welded with the casing of Q235 material, and diameter corresponds to the refrigerant and goes out Mouthful；The inner ring of described sleeve pipe offers the step for welding copper pipe；The copper pipe carries out at draw technique in the end of grafting Reason；
The drive end bearing bracket is buckled in the front baffle；The drive end bearing bracket be casting integrated molding, including bottom case, outer rim, shell and into It is discharged partition, the shell is raised in the bottom case, water inlet, water outlet are offered on the shell；The Inlet and outlet water partition The inside division of the drive end bearing bracket is two parts of intake antrum and water chamber by the left and right for traversing the bottom shell；Described The edge of bottom case has several bolts hole, offers several bolts hole again at the edge of the shell, these bolts hole For connected with outer casing；
The outer ring sealing welding of the front baffle is in the outer ring of the first end of the shell, and the outer beyond the shell is with shape It is bolted at the space of a certain number of bolts hole, and with the drive end bearing bracket；The front baffle offers perforative for holding Receive the hole of copper pipe, the copper pipe forms sealing through the hole with expansion tube process；Level trough is offered in the middle part of the front baffle, it should Level trough accommodates the Inlet and outlet water partition and forms sealing cooperation；
The spacing board is made of cast iron Q235；The circular hole of its position for offering the corresponding copper pipe, passes through for the copper pipe, And it will be sealed after the copper pipe tube expansion with the spacing board；The spacing board is two ring flanges, outer with the left and right sides respectively Shell welds, and is flanged joint between the two ring flanges；
Water cavity is formed between the rear end cap and the rear bulkhead, exhaust valve, bottom setting row is arranged in the top of the rear end cap Water valve；
The outer ring sealing welding of the rear bulkhead is set between the rear end cap and rear bulkhead in the outer ring of the second end of the shell Set washer sealing；
The copper pipe is in the interior of shell, for through the first end, second end, front baffle, spacing board of the entire shell With the whole root canal of rear bulkhead.
The present invention shares the water route of the evaporator of multiple refrigeration systems, and refrigerant line is then in each individual shell It is interior, reduce space hold；Copper pipe is the pipe with special diameter, it is therefore desirable to weld after the draw, can facilitate shell and tube evaporator Installation manufacture, efficient sealed connecting copper pipe makes pressure vessel be able to maintain opposite sealing, it is not easy to leak.
Detailed description of the invention
Fig. 1 is the sectional elevation schematic diagram of one embodiment of the present of invention；
Fig. 2 is the right view of Fig. 1.
Wherein:
Shell 10, drive end bearing bracket 11, front baffle 12, rear end cap 13, spacing board 14, rear bulkhead 15, refrigerant inlet h, refrigerant go out Mouthful c, exhaust outlet e, oil discharge outlet d, gas outlet g, discharge outlet f, Inlet and outlet water partition 110, bottom case 111, shell 113, water inlet 114, Water outlet 115, bolt hole 116.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Shell is connected shell-tube type double space plate cold water evaporator, including shell 10, drive end bearing bracket 11, front baffle 12, spacing board 14, rear end cap 13, rear bulkhead 15 and copper pipe；The shell 10 is cylindrical cast iron housing, 10 head and the tail phase of shell described in multistage Consecutive is connected together and seals；Shell of each section of the shell 10 as the evaporator of a refrigeration system；Each section The shell 10 is equipped with refrigerant inlet h, refrigerant outlet c, exhaust outlet e and oil discharge outlet d；The refrigerant outlet c welding There is the casing of Q235 material, diameter corresponds to the refrigerant outlet c；The inner ring of described sleeve pipe offers the platform for welding copper pipe Rank；The copper pipe carries out draw process in the end of grafting；
The water route of the evaporator of multiple refrigeration systems is shared, refrigerant line then in each individual shell, reduces space It occupies；Copper pipe is the pipe with special diameter, it is therefore desirable to it is welded after the draw, the installation of shell and tube evaporator can be facilitated to manufacture, Efficient sealed connecting copper pipe makes pressure vessel be able to maintain opposite sealing, it is not easy to leak.The drive end bearing bracket 11 is detained In the front baffle 12；The drive end bearing bracket 11 is casting integrated molding, including bottom case 111, outer rim 112, shell 113 and Inlet and outlet water Partition 110, the shell 113 are raised in the bottom case 111, water inlet 114, water outlet 115 are offered on the shell 113； The Inlet and outlet water partition 110 traverses the left and right inside the bottom case 111, by the inside division of the drive end bearing bracket 11 be intake antrum and Two parts of water chamber；Have several bolts hole 116 in the edge of the bottom case 111, the edge of the shell 113 again Several bolts hole are offered, these bolts hole are used for connected with outer casing 10；
Intake antrum and water chamber respectively put together inflow and outflow, and drive end bearing bracket 11 has been connect by bolt with front baffle 12 Come, installation is facilitated to manufacture and repair dismantling.The outer ring sealing welding of the front baffle 12 in the shell 10 first end it is outer Circle, and exceed the outer of the shell 10 to form the space of a certain number of bolts hole, and connect with 11 bolt of drive end bearing bracket It connects；The front baffle 12 offers the perforative hole for being used to accommodate copper pipe, and the copper pipe is formed with expansion tube process through the hole close Envelope；The middle part of the front baffle 12 offers level trough, which accommodates the Inlet and outlet water partition 110 and form sealing cooperation；
The level trough make the drive end bearing bracket 11 intake antrum and water chamber interval it is more secured, avoid water route generate short circuit；And And can in a pre-installation partition 12 and when drive end bearing bracket 11 as limiting component, installation is more accurate convenient.The spacing board 14 is Cast iron Q235 is made；The circular hole of its position for offering the corresponding copper pipe, passes through for the copper pipe, and by the copper pipe tube expansion It is sealed afterwards with the spacing board 14；The spacing board 14 is two ring flanges, is welded respectively with the shell 10 of the left and right sides, this two It is flanged joint between a ring flange；
When concatenated 10 quantity of shell is more, when whole longer, adjacent shell 10 is using two ring flange connections, so that it may When the shell 10 of either segment generates failure, replacement or maintenance are individually dismantled, to improve service efficiency.Moreover, making It can flexibly increase or reduce series connection series without limitation according to the requirement of refrigerating capacity with flanged joint.The rear end cap Water cavity is formed between 13 and the rear bulkhead 15, exhaust valve is arranged in the top of the rear end cap 13, and drain valve is arranged in bottom；
Exhaust valve is used for releasing pressure automatically when high pressure, guarantees safety；Drain valve bleeds off water when needing to overhaul.The rear bulkhead 15 It is close that washer is arranged in outer ring sealing welding between the outer ring of the second end of the shell 10, the rear end cap 13 and rear bulkhead 15 Envelope；
The copper pipe inside the shell 10, for through the first end of the entire shell 10, second end, front baffle 12, The whole root canal of spacing board 14 and rear bulkhead 15.
Washer can form preferable sealing at lower cost.
The exhaust outlet e is located at the top of the shell 10；The oil discharge outlet d is located at the bottom of the shell 10；It is described The diameter of exhaust outlet e is 20mm；The diameter of the oil discharge outlet d is 30mm；The step depth is 25mm.
The shell 113 with a thickness of 3-7mm, the bottom case 111 with a thickness of 8mm.
The ring flange with a thickness of 4-6mm.
The rear bulkhead 15 with a thickness of 3-5mm.
The inner and outer wall of the copper pipe is smooth surface.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within Within protection scope of the present invention.

Claims (6)

  1. The shell-tube type double space plate cold water evaporator 1. shell is connected, it is characterised in that: including shell, drive end bearing bracket, front baffle, interval Plate, rear end cap, rear bulkhead and copper pipe；The shell is cylindrical cast iron housing, and shell described in multistage, which joins end to end, to be serially connected in Together and seal；Shell of each section of the shell as the evaporator of a refrigeration system；Each section of the shell is equal Equipped with refrigerant inlet, refrigerant outlet, exhaust outlet and oil discharge outlet；The refrigerant outlet is welded with the casing of Q235 material, Diameter corresponds to the refrigerant outlet；The inner ring of described sleeve pipe offers the step for welding copper pipe；The copper pipe is in grafting End carry out draw process；
    The drive end bearing bracket is buckled in the front baffle；The drive end bearing bracket be casting integrated molding, including bottom case, outer rim, shell and into It is discharged partition, the shell is raised in the bottom case, water inlet, water outlet are offered on the shell；The Inlet and outlet water partition The inside division of the drive end bearing bracket is two parts of intake antrum and water chamber by the left and right for traversing the bottom shell；Described The edge of bottom case has several bolts hole, offers several bolts hole again at the edge of the shell, these bolts hole For connected with outer casing；
    The outer ring sealing welding of the front baffle is in the outer ring of the first end of the shell, and the outer beyond the shell is with shape It is bolted at the space of a certain number of bolts hole, and with the drive end bearing bracket；The front baffle offers perforative for holding Receive the hole of copper pipe, the copper pipe forms sealing through the hole with expansion tube process；Level trough is offered in the middle part of the front baffle, it should Level trough accommodates the Inlet and outlet water partition and forms sealing cooperation；
    The spacing board is made of cast iron Q235；The circular hole of its position for offering the corresponding copper pipe, passes through for the copper pipe, And it will be sealed after the copper pipe tube expansion with the spacing board；The spacing board is two ring flanges, outer with the left and right sides respectively Shell welds, and is flanged joint between the two ring flanges；
    Water cavity is formed between the rear end cap and the rear bulkhead, exhaust valve, bottom setting row is arranged in the top of the rear end cap Water valve；
    The outer ring sealing welding of the rear bulkhead is set between the rear end cap and rear bulkhead in the outer ring of the second end of the shell Set washer sealing；
    The copper pipe is in the interior of shell, for through first end, second end, the front baffle, spacing board of the entire shell With the whole root canal of rear bulkhead.
  2. The shell-tube type double space plate cold water evaporator 2. shell according to claim 1 is connected, it is characterised in that: the exhaust Mouth is located at the top of the shell；The oil discharge outlet is located at the bottom of the shell；The diameter of the exhaust outlet is 20mm；It is described The diameter of oil discharge outlet is 30mm；The step depth is 25mm.
  3. The shell-tube type double space plate cold water evaporator 3. shell according to claim 1 is connected, it is characterised in that: the shell With a thickness of 3-7mm, the bottom case with a thickness of 8mm.
  4. The shell-tube type double space plate cold water evaporator 4. shell according to claim 1 is connected, it is characterised in that: the flange Disk with a thickness of 4-6mm.
  5. The shell-tube type double space plate cold water evaporator 5. shell according to claim 1 is connected, it is characterised in that: after described every Plate with a thickness of 3-5mm.
  6. The shell-tube type double space plate cold water evaporator 6. shell according to claim 1 is connected, it is characterised in that: the copper pipe Inner and outer wall be smooth surface.
CN201711028174.9A 2017-10-29 2017-10-29 Shell is connected shell-tube type double space plate cold water evaporator Withdrawn CN108954944A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711028174.9A CN108954944A (en) 2017-10-29 2017-10-29 Shell is connected shell-tube type double space plate cold water evaporator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711028174.9A CN108954944A (en) 2017-10-29 2017-10-29 Shell is connected shell-tube type double space plate cold water evaporator

Publications (1)

Publication Number Publication Date
CN108954944A true CN108954944A (en) 2018-12-07

Family

ID=64494884

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711028174.9A Withdrawn CN108954944A (en) 2017-10-29 2017-10-29 Shell is connected shell-tube type double space plate cold water evaporator

Country Status (1)

Country Link
CN (1) CN108954944A (en)

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PB01 Publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20181207

WW01 Invention patent application withdrawn after publication