CN108120089A - Shell is connected copper pipe water route double space plate cold-water heat exchanger - Google Patents

Shell is connected copper pipe water route double space plate cold-water heat exchanger Download PDF

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Publication number
CN108120089A
CN108120089A CN201711038370.4A CN201711038370A CN108120089A CN 108120089 A CN108120089 A CN 108120089A CN 201711038370 A CN201711038370 A CN 201711038370A CN 108120089 A CN108120089 A CN 108120089A
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CN
China
Prior art keywords
shell
copper pipe
water
outlet
bearing bracket
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Withdrawn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
CN201711038370.4A
Other languages
Chinese (zh)
Inventor
龙炽坚
周永潮
梁美莹
梁美芳
谭锦荣
陈志雄
周友开
李伟明
杨萍
梁靖玮
梁辉
吴建龙
梁舒欣
周嘉欣
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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 CN201711038370.4A priority Critical patent/CN108120089A/en
Publication of CN108120089A publication Critical patent/CN108120089A/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Withdrawn legal-status Critical Current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)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

Shell is connected copper pipe water route double space plate cold-water heat exchanger, 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；The bottom case of drive end bearing bracket is 8-shaped；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 rear bulkhead offers annular groove；Space hold of the present invention is few；Copper pipe welds after the draw can keep opposite sealing, it is not easy to leak.

Description

Shell is connected copper pipe water route double space plate cold-water heat exchanger
Technical field
It is connected the heat exchange of copper pipe water route double space plate cold water the present invention relates to technical field of central air more particularly to shell Device.
Background technology
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 full-amount inrush is then not required in refrigeration demands less season in winter etc..Mesh It is preceding also to have converter technique that solve the problems, such as that refrigerating capacity changes in certain scope, but change for excessive refrigerating capacity It is in fact helpless.The cold that separate unit handpiece Water Chilling Units are capable of providing is limited, runs to improve together by more handpiece Water Chilling Units 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 arrangement of multiple refrigeration systems can cause the problem of space availability ratio, condenser general still solution installed outdoors Certainly, but as evaporator interior is necessarily mounted at, 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.
The content of the invention
It is an object of the invention to propose that a kind of shell is connected copper pipe water route double space plate cold-water heat exchanger.
For this purpose, the present invention uses following technical scheme：
Shell is connected copper pipe water route double space plate cold-water heat exchanger, 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；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 materials, and diameter corresponds to the refrigerant and goes out Mouthful；The inner ring of described sleeve pipe offers to weld the step of copper pipe；The copper pipe is carried out in the end of grafting at draw technique Reason；
The drive end bearing bracket is buckled in the front baffle；The drive end bearing bracket be casting integrated shaping, including bottom case, outer rim, shell and into Water outlet partition plate, the shell are raised in the bottom case, water inlet, water outlet are offered on the shell；The Inlet and outlet water partition plate The left and right of the bottom shell is traversed, is two parts of intake antrum and water chamber by the inside division of the drive end bearing bracket；The pipe Shell is 8-shaped, and the inlet and outlet are respectively in two parts of the 8-shaped of the shell；The water inlet and go out The mouth of a river is both provided with to connect the screw thread of water pipe；
The outer ring sealing welding of the front baffle exceeds the outer of the shell with shape in the outer ring of the first end of the shell It is bolted into 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 with expansion tube process through the hole；Level trough is offered in the middle part of the front baffle, it should Level trough accommodates the Inlet and outlet water partition plate and forms sealing cooperation；
The spacing board is made of cast iron Q235；It offers the circular hole of the position of the corresponding copper pipe, is passed 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, the top of the rear end cap sets air bleeding valve, and bottom sets row Water valve；
The outer ring sealing welding of the end face of the rear bulkhead in the outer ring of the second end of the shell, the rear bulkhead it is another The outer ring of end face offers annular groove, and the annular groove accommodates the outer ring of the rear end cap；
The copper pipe is through the first end of the entire shell, second end, front baffle, spacing board in the enclosure With whole pipe 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 be welded after the draw, can facilitate shell and tube evaporator Installation manufacture, efficient sealed connecting copper pipe enables pressure vessel to keep opposite sealing, it is not easy to leak.
Description of the drawings
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 plate 110, bottom case 111, shell 113, water inlet 114, Water outlet 115, bolt hole 116.
Specific embodiment
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
Shell is connected copper pipe water route double space plate cold-water heat exchanger, including shell 10, drive end bearing bracket 11, front baffle 12, interval Plate 14, rear end cap 13, rear bulkhead 15 and copper pipe；The shell 10 is cylindrical cast iron housing, 10 head and the tail of shell described in multistage It is connected and is serially connected and seals；Shell of each section of the shell 10 as the evaporator of a refrigeration system；Each section The shell 10 be equipped with refrigerant inlet h, refrigerant outlet c, exhaust outlet e and oil discharge outlet d；The refrigerant outlet c welderings The casing of Q235 materials is connected to, diameter corresponds to the refrigerant outlet c；The inner ring of described sleeve pipe offers to weld copper pipe Step；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 enables pressure vessel to keep 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 shaping, including bottom case 111, outer rim 112, shell 113 and Inlet and outlet water Partition plate 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 plate 110 traverses the left and right inside the bottom case 111, by the inside division of the drive end bearing bracket 11 for intake antrum and Two parts of water chamber；The shell 113 is 8-shaped, and the water inlet 114 and water outlet 115 are respectively in the shell 113 In two parts of 8-shaped；The water inlet 114 and water outlet 115 are both provided with to connect the screw thread of water pipe；
Intake antrum and water chamber respectively put together water inlet and water outlet, and shell 113 has convexed to form larger intake antrum and gone out Water cavity improves the mobility in water route；Facilitate repair to be threadedly coupled the water inlet 114 of water pipe and water outlet 115.The front baffle 12 outer ring sealing welding exceeds the outer of the shell 10 to form a fixed number in the outer ring of the first end of the shell 10 The space of the bolt hole of amount, and be bolted with the drive end bearing bracket 11；The front baffle 12 offers perforative for accommodating copper The hole of pipe, the copper pipe form sealing with expansion tube process through the hole；The middle part of the front baffle 12 offers level trough, the water It rises as high as the banks to accommodate the Inlet and outlet water partition plate 110 and formed to seal and coordinate；
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 plate 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；It offers the circular hole of the position of the corresponding copper pipe, is passed 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 of the left and right sides 10, this two It is flanged joint between a ring flange；
When 10 quantity of shell of series connection is more, when whole longer, adjacent shell 10 is connected using two ring flanges, it is possible to When the shell 10 of either segment generates failure, replacement or repair are individually dismantled, so as to improve service efficiency.Moreover, make It can flexibly be increased without limitation according to the requirement of refrigerating capacity or reduce series connection series with flanged joint.The rear end cap Water cavity is formed between 13 and the rear bulkhead 15, the top of the rear end cap 13 sets air bleeding valve, and bottom sets drain valve；
Air bleeding valve is used for releasing pressure automatically during high pressure, ensures safety；Drain valve bleeds off water when needing maintenance.The rear bulkhead 15 The outer ring sealing welding of end face is opened in the outer ring of the second end of the shell 10, the outer ring of the other end of the rear bulkhead 15 Equipped with annular groove, the annular groove accommodates the outer ring of the rear end cap 13；
The copper pipe inside the shell 10, be the first end through the entire shell 10, second end, front baffle 12, Whole pipe of spacing board 14 and rear bulkhead 15.
Forming sealing using annular groove can be more firm.
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 A diameter of 20mm of exhaust outlet e；A diameter of 30mm of the oil discharge outlet d；The step depth is 25mm.
The top of the outer rim 112 of the drive end bearing bracket 11 offers exhaust outlet, and the bottom of the outer rim 112 is equipped with discharge outlet； The drive end bearing bracket 11 is installed on one end that the shell 10 is fixed in the bolt hole by bolt；The drive end bearing bracket 11 and shell Gasket is separated between 10.
The thickness of the ring flange is 4-6mm.
The thickness of the rear bulkhead 15 is 3-5mm.
The inner and outer wall of the copper pipe is smooth surface.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's Principle, and limiting the scope of the invention cannot be construed in any way.Based on explanation herein, the technology of this field Personnel would not require any inventive effort the other specific embodiments that can associate the present invention, these modes are fallen within Within protection scope of the present invention.

Claims (6)

  1. The copper pipe water route double space plate cold-water heat exchanger 1. shell is connected, it is characterised in that：Including shell, drive end bearing bracket, front baffle, Partition plate, rear end cap, rear bulkhead and copper pipe；For cylindrical cast iron housing, shell described in multistage joins end to end concatenation the shell Together and seal；Shell of each section of the shell as the evaporator of a refrigeration system；Each section of the shell It is equipped with refrigerant inlet, refrigerant outlet, exhaust outlet and oil discharge outlet；The refrigerant outlet is welded with the set of Q235 materials Pipe, diameter correspond to the refrigerant outlet；The inner ring of described sleeve pipe offers to weld the step of copper pipe；The copper pipe is being inserted The end connect carries out draw process；
    The drive end bearing bracket is buckled in the front baffle；The drive end bearing bracket be casting integrated shaping, including bottom case, outer rim, shell and into Water outlet partition plate, the shell are raised in the bottom case, water inlet, water outlet are offered on the shell；The Inlet and outlet water partition plate The left and right of the bottom shell is traversed, is two parts of intake antrum and water chamber by the inside division of the drive end bearing bracket；The pipe Shell is 8-shaped, and the inlet and outlet are respectively in two parts of the 8-shaped of the shell；The water inlet and go out The mouth of a river is both provided with to connect the screw thread of water pipe；
    The outer ring sealing welding of the front baffle exceeds the outer of the shell with shape in the outer ring of the first end of the shell It is bolted into 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 with expansion tube process through the hole；Level trough is offered in the middle part of the front baffle, it should Level trough accommodates the Inlet and outlet water partition plate and forms sealing cooperation；
    The spacing board is made of cast iron Q235；It offers the circular hole of the position of the corresponding copper pipe, is passed 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, the top of the rear end cap sets air bleeding valve, and bottom sets row Water valve；
    The outer ring sealing welding of the end face of the rear bulkhead in the outer ring of the second end of the shell, the rear bulkhead it is another The outer ring of end face offers annular groove, and the annular groove accommodates the outer ring of the rear end cap；
    The copper pipe is the first end through the entire shell, second end, front baffle, spacing board in the enclosure With whole pipe of rear bulkhead.
  2. The copper pipe water route double space plate cold-water heat exchanger 2. shell according to claim 1 is connected, it is characterised in that：The row Gas port is located at the top of the shell；The oil discharge outlet is located at the bottom of the shell；A diameter of 20mm of the exhaust outlet；Institute State a diameter of 30mm of oil discharge outlet；The step depth is 25mm.
  3. The copper pipe water route double space plate cold-water heat exchanger 3. shell according to claim 1 is connected, it is characterised in that：Before described Exhaust outlet is offered at the top of the outer rim of end cap, the bottom of the outer rim is equipped with discharge outlet；The drive end bearing bracket is installed on by bolt One end of the shell is fixed in the bolt hole；Gasket is separated between the drive end bearing bracket and shell.
  4. The copper pipe water route double space plate cold-water heat exchanger 4. shell according to claim 1 is connected, it is characterised in that：The method The thickness of blue disk is 4-6mm.
  5. The copper pipe water route double space plate cold-water heat exchanger 5. shell according to claim 1 is connected, it is characterised in that：After described The thickness of partition plate is 3-5mm.
  6. The copper pipe water route double space plate cold-water heat exchanger 6. shell according to claim 1 is connected, it is characterised in that：The copper The inner and outer wall of pipe is smooth surface.
CN201711038370.4A 2017-10-29 2017-10-29 Shell is connected copper pipe water route double space plate cold-water heat exchanger Withdrawn CN108120089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711038370.4A CN108120089A (en) 2017-10-29 2017-10-29 Shell is connected copper pipe water route double space plate cold-water heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711038370.4A CN108120089A (en) 2017-10-29 2017-10-29 Shell is connected copper pipe water route double space plate cold-water heat exchanger

Publications (1)

Publication Number Publication Date
CN108120089A true CN108120089A (en) 2018-06-05

Family

ID=62227584

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711038370.4A Withdrawn CN108120089A (en) 2017-10-29 2017-10-29 Shell is connected copper pipe water route double space plate cold-water heat exchanger

Country Status (1)

Country Link
CN (1) CN108120089A (en)

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Application publication date: 20180605