CN108106170A - Multistage shell shell-tube type double space plate refrigerating evaporator - Google Patents
Multistage shell shell-tube type double space plate refrigerating evaporator Download PDFInfo
- Publication number
- CN108106170A CN108106170A CN201711032133.7A CN201711032133A CN108106170A CN 108106170 A CN108106170 A CN 108106170A CN 201711032133 A CN201711032133 A CN 201711032133A CN 108106170 A CN108106170 A CN 108106170A
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- China
- Prior art keywords
- shell
- outlet
- multistage
- copper pipe
- type double
- 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.)
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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
- 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
- F28F9/12—Arrangements for sealing elements into header boxes or end plates by dismountable joints by flange-type connections
-
- 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
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
- F28D2021/0071—Evaporators
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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
Multistage shell shell-tube type double space plate refrigerating 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；Each section of the shell is equipped with refrigerant inlet, refrigerant outlet, exhaust outlet and oil discharge outlet；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；The present invention shares the water route of the evaporator of multiple refrigeration systems, reduces space hold, is ensured to run under stable operating mode at any time according to actual operating mode.
Description
Technical field
The present invention relates to technical field of central air more particularly to multistage shell shell-tube type double space plate refrigerating evaporators.
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 a kind of multistage shell shell-tube type double space plate refrigerating evaporator.
For this purpose, the present invention uses following technical scheme：
Multistage shell shell-tube type double space plate refrigerating evaporator, including shell, drive end bearing bracket, front baffle, spacing board, rear end cap, after
Partition plate 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；Exhaust outlet is welded with casing, is then installed again on casing there are one air bleeding valve；The exhaust
Valve includes the gasket and the inside that is inserted in the cylinder copper shell of hollow cylinder copper shell, pad in the end face of cylinder copper shell
Shut off disk, and the disk that shuts off is driven by external motor driver, with the aperture for the disk that shuts off described in adjusting；
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；Air bleeding valve can ensure the pressure security in shell, and retention disk can be at any time according to actual motion work
Condition, the aperture for the disk that shut off according to the automatic adjustment of the program of setting, so as to ensure to be run under stable operating mode.
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.
Multistage shell shell-tube type double space plate refrigerating evaporator, including shell 10, drive end bearing bracket 11, front baffle 12, spacing board
14th, 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；Exhaust outlet e is welded with casing, so
Air bleeding valve there are one being installed again on rear sleeve；The air bleeding valve includes hollow cylinder copper shell, pad in the end face of cylinder copper shell
Gasket and be inserted in the cylinder copper shell inside the disk that shuts off, the disk that shuts off drives by external motor driver
It is dynamic, with the aperture for the disk that shuts off described in adjusting；
The water route of the evaporator of multiple refrigeration systems is shared, refrigerant line then in each individual shell, reduces space
It occupies；Air bleeding valve can ensure the pressure security in shell 10, and retention disk can be at any time according to actual operating mode, according to setting
Fixed program automatically adjusts the aperture for the disk that shuts off, so as to ensure to be run under stable operating mode.The drive end bearing bracket 11 is buckled in institute
State 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 is raised in the bottom case 111, and water inlet 114, water outlet 115 are offered on the shell 113；It is described
Inlet and outlet water partition plate 110 traverses the left and right inside the bottom case 111, is intake antrum and water outlet by the inside division of the drive end bearing bracket 11
Two parts of chamber；There are several bolts hole 116 in the edge of the bottom case 111, opened up again at the edge of the shell 113
There are several bolts hole, 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.
A diameter of 50mm of the refrigerant outlet c；The refrigerant outlet c is located at the top of the shell 10；It is described
A diameter of 24mm of refrigerant inlet h.
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. multistage shell shell-tube type double space plate refrigerating evaporator, 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；Exhaust outlet is welded with casing, is then equipped with again on casing
One air bleeding valve；The air bleeding valve include hollow cylinder copper shell, pad the end face of cylinder copper shell gasket and be inserted in institute
The disk that shuts off of the inside of cylinder copper shell is stated, the disk that shuts off is driven by external motor driver, to shut off described in adjusting
The aperture of disk；
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. multistage shell shell-tube type double space plate refrigerating evaporator according to claim 1, it is characterised in that：The refrigeration
A diameter of 50mm of agent outlet；The refrigerant outlet is located at the top of the shell；The refrigerant inlet it is a diameter of
24mm。
3. multistage shell shell-tube type double space plate refrigerating evaporator according to claim 1, it is characterised in that：The shell
Thickness for 3-7mm, the thickness of the bottom case is 8mm.
4. multistage shell shell-tube type double space plate refrigerating evaporator according to claim 1, it is characterised in that：The flange
The thickness of disk is 4-6mm.
5. multistage shell shell-tube type double space plate refrigerating evaporator according to claim 1, it is characterised in that：The rear end
The thickness of lid is 3-5mm.
6. multistage shell shell-tube type double space plate refrigerating evaporator according to claim 1, it is characterised in that：The copper pipe
Inner and outer wall be smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711032133.7A CN108106170A (en) | 2017-10-29 | 2017-10-29 | Multistage shell shell-tube type double space plate refrigerating evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711032133.7A CN108106170A (en) | 2017-10-29 | 2017-10-29 | Multistage shell shell-tube type double space plate refrigerating evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108106170A true CN108106170A (en) | 2018-06-01 |
Family
ID=62206636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711032133.7A Withdrawn CN108106170A (en) | 2017-10-29 | 2017-10-29 | Multistage shell shell-tube type double space plate refrigerating evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108106170A (en) |
-
2017
- 2017-10-29 CN CN201711032133.7A patent/CN108106170A/en not_active Withdrawn
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180601 |
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| WW01 | Invention patent application withdrawn after publication |