CN108106140A - Evaporation shell-tube type double space plate refrigerating evaporator in shell - Google Patents

Evaporation shell-tube type double space plate refrigerating evaporator in shell Download PDF

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Publication number
CN108106140A
CN108106140A CN201711031627.3A CN201711031627A CN108106140A CN 108106140 A CN108106140 A CN 108106140A CN 201711031627 A CN201711031627 A CN 201711031627A CN 108106140 A CN108106140 A CN 108106140A
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CN
China
Prior art keywords
shell
outlet
copper pipe
type double
tube type
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Withdrawn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
CN201711031627.3A
Other languages
Chinese (zh)
Inventor
梁舒欣
周嘉欣
吴建龙
梁辉
梁靖玮
周友开
龙炽坚
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
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201711031627.3A priority Critical patent/CN108106140A/en
Publication of CN108106140A publication Critical patent/CN108106140A/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Withdrawn legal-status Critical Current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
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/0066—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • 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
    • F28F11/02—Arrangements for sealing leaky tubes and conduits using obturating elements, e.g. washers, inserted and operated independently of each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
    • 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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • 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
    • F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
    • F28F9/10—Arrangements for sealing elements into header boxes or end plates by dismountable joints by screw-type connections, e.g. gland
    • 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
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/18—Safety or protection arrangements; Arrangements for preventing malfunction for removing contaminants, e.g. for degassing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/20—Fastening; Joining with threaded elements

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  • 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

Evaporation shell-tube type double space plate refrigerating evaporator in shell, 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 of the shell is equipped with refrigerant inlet, refrigerant outlet, exhaust outlet and oil discharge outlet, and the inside correspondence position positioned at the shell of the refrigerant outlet is welded with baffle；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；The rear end cap is welded by the cylindrical shell of outer ring and the bottom cover of spherical；The copper pipe is in the enclosure；Shell is cascaded by the present invention can reduce space hold, and the baffle in shell causes refrigerant directly not drain on startup from the refrigerant outlet.

Description

Evaporation shell-tube type double space plate refrigerating evaporator in shell
Technical field
The present invention relates to evaporation shell-tube type double space plate refrigeration evaporators in 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 to evaporate shell-tube type double space plate refrigerating evaporator in a kind of shell.
For this purpose, the present invention uses following technical scheme：
Evaporation shell-tube type double space plate refrigerating evaporator in shell, 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 inside correspondence position positioned at the shell of the refrigerant outlet is welded with baffle, should Baffle corresponds to the position of the refrigerant outlet；
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；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 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；
The rear end cap is bolted on the rear bulkhead；The rear end cap is by the cylindrical shell of outer ring and the bottom cover of spherical It is welded, gasket is provided between the rear end cap and rear bulkhead；Water is formed between the cylindrical shell, bottom cover and rear bulkhead Chamber；
The outer ring sealing welding of the rear bulkhead is set in the outer ring of the second end of the shell between the rear end cap and rear bulkhead Put washer sealing；
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；Baffle causes refrigerant that can only enter refrigerant outlet from the side of the baffle, in order to avoid high pressure when starting Liquid refrigerant is caused directly to be drained from the refrigerant outlet.
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.
Evaporation shell-tube type double space plate refrigerating evaporator in shell, 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's Inside correspondence position positioned at the shell 10 is welded with baffle, which corresponds to the position of the refrigerant outlet c；
The water route of the evaporator of multiple refrigeration systems is shared, refrigerant line then in each individual shell, reduces space It occupies；Baffle causes refrigerant that can only enter refrigerant outlet c from the side of the baffle, in case high pressure causes liquid system when starting Cryogen is directly drained from the refrigerant outlet c.The drive end bearing bracket 11 is buckled in the front baffle 12；The drive end bearing bracket 11 is casting It is integrally formed, including bottom case 111, outer rim 112, shell 113 and Inlet and outlet water partition plate 110, the shell 113 is 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 is traversed in the bottom case 111 The inside division of the drive end bearing bracket 11 is two parts of intake antrum and water chamber by the left and right in portion；At the edge of the bottom case 111 Several bolts hole 116 are offered, offer several bolts hole again at the edge of the shell 113, these bolts hole are used for Connected with outer casing 10；
Intake antrum and water chamber respectively put together water inlet and water outlet, and drive end bearing bracket 11 has been connected by bolt with front baffle 12 Come, installation manufacture and repair is facilitated to disassemble.The outer ring sealing welding of the front baffle 12 in the shell 10 first end it is outer Circle, and beyond 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 close with expansion tube process through the hole Envelope；The middle part of the front baffle 12 offers level trough, which accommodates the Inlet and outlet water partition plate 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 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 13 are bolted on the rear bulkhead 15；The rear end cap 13 by outer ring cylindrical shell and spherical bottom cover welding and Into being provided with gasket between the rear end cap 13 and rear bulkhead 15；Water is formed between the cylindrical shell, bottom cover and rear bulkhead 15 Chamber；
Water cavity is used for when inlet pipeline and outlet pipeline are converted as temporarily providing room, and can be when needing maintenance, from this Position carries out maintenance.The outer ring sealing welding of the rear bulkhead 15 is in the outer ring of the second end of the shell 10, the rear end cap Washer sealing is set between 13 and rear bulkhead 15；
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.
Washer can form preferable sealing at lower cost.
The baffle is apart from the refrigerant outlet c between 2cm-4cm.
The thickness of the shell 113 is 3-7mm, and the thickness of the bottom case 111 is 8mm.
The thickness of the ring flange is 4-6mm.
The thickness of the rear end cap 13 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. evaporation shell-tube type double space plate refrigerating evaporator in shell, 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 positioned at the inside of the shell Correspondence position is welded with baffle, which corresponds to the position of the refrigerant outlet；
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；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 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；
The rear end cap is bolted on the rear bulkhead；The rear end cap is by the cylindrical shell of outer ring and the bottom cover of spherical It is welded, gasket is provided between the rear end cap and rear bulkhead；Water is formed between the cylindrical shell, bottom cover and rear bulkhead Chamber；
The outer ring sealing welding of the rear bulkhead is set in the outer ring of the second end of the shell between the rear end cap and rear bulkhead Put washer sealing；
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. evaporation shell-tube type double space plate refrigerating evaporator in shell according to claim 1, it is characterised in that：The gear Plate is apart from the refrigerant outlet between 2cm-4cm.
3. evaporation shell-tube type double space plate refrigerating evaporator in shell according to claim 1, it is characterised in that：The pipe The thickness of shell is 3-7mm, and the thickness of the bottom case is 8mm.
4. evaporation shell-tube type double space plate refrigerating evaporator in shell according to claim 1, it is characterised in that：The method The thickness of blue disk is 4-6mm.
5. evaporation shell-tube type double space plate refrigerating evaporator in shell according to claim 1, it is characterised in that：After described The thickness of end cap is 3-5mm.
6. evaporation shell-tube type double space plate refrigerating evaporator in shell according to claim 1, it is characterised in that：The copper The inner and outer wall of pipe is smooth surface.
CN201711031627.3A 2017-10-29 2017-10-29 Evaporation shell-tube type double space plate refrigerating evaporator in shell Withdrawn CN108106140A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711031627.3A CN108106140A (en) 2017-10-29 2017-10-29 Evaporation shell-tube type double space plate refrigerating evaporator in shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711031627.3A CN108106140A (en) 2017-10-29 2017-10-29 Evaporation shell-tube type double space plate refrigerating evaporator in shell

Publications (1)

Publication Number Publication Date
CN108106140A true CN108106140A (en) 2018-06-01

Family

ID=62206448

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711031627.3A Withdrawn CN108106140A (en) 2017-10-29 2017-10-29 Evaporation shell-tube type double space plate refrigerating evaporator in shell

Country Status (1)

Country Link
CN (1) CN108106140A (en)

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Application publication date: 20180601

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