CN108954790A - Central air-conditioning dual system dry type heat exchanger - Google Patents
Central air-conditioning dual system dry type heat exchanger Download PDFInfo
- Publication number
- CN108954790A CN108954790A CN201711028215.4A CN201711028215A CN108954790A CN 108954790 A CN108954790 A CN 108954790A CN 201711028215 A CN201711028215 A CN 201711028215A CN 108954790 A CN108954790 A CN 108954790A
- Authority
- CN
- China
- Prior art keywords
- shell
- copper pipe
- rear end
- outlet
- heat exchanger
- 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- Withdrawn
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
-
- 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
- F28D7/16—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 the conduits being arranged in parallel spaced relation
-
- 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
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Central air-conditioning dual system dry type heat exchanger, including shell, copper pipe, drive end bearing bracket, rear end cap and spoiler；Shell is cylindrical shell, is provided with water inlet, water outlet, gas vent and drainage hole；The inner wall of copper pipe be it is smooth, outside wall surface is screw thread；Copper pipe is divided into two systems as medium channel；The excircle of rear end cap is plugged in the rear end of shell by bolt installation, and gasket is provided between rear end cap and shell；Spoiler is the discount vibram outlet more than semicircle, and the discount vibram outlet of adjacent spoiler is located at vertical two sides up and down；Shell of the invention occupies all spaces of entire evaporator, therefore the intake-outlet for presetting water and medium on the shell can save big quantity space, optimize the design of host；Inlet and outlet are easy for installation using flanged joint, are easy Maintenance and Repair；The frequency of use of gas vent and drainage hole is not high, and failure rate is very low, so can reduce leakage using welding method.
Description
Technical field
The present invention relates to technical field of central air more particularly to central air-conditioning dual system dry type heat exchangers.
Background technique
Central air-conditioning provides cold water using the form of centralized cooling supply for whole building, is then changed again by fan coil etc.
Cooling capacity is sent to each room by hot component step by step.Although building structure has generally reserved certain space to central air conditioning
Group, but the form of the evaporator of the water cooler of central air-conditioning is varied, including the knot such as shell-and-tube heat exchanger, plate heat exchanger
Structure requires to occupy very large space.When especially refrigeration requirement is especially huge, multiple water coolers is needed to work at the same time
When being just able to satisfy cooling capacity requirement, need to arrange enough evaporators in the same space as far as possible.
Dry evaporator refers in the coolant channel of evaporator, and refrigerant is in exit evaporating completely, no
There are liquid refrigerant, such evaporator is exclusively used in air-cooled water cooler, is not suitable for cooling tower, therefore in condenser end segment
Space is saved.But evaporator end also needs to save space, and more meticulous structure is needed to design.
Summary of the invention
It is an object of the invention to propose a kind of central air-conditioning dual system dry type heat exchanger.
To achieve this purpose, the present invention adopts the following technical scheme:
Central air-conditioning dual system dry type heat exchanger, including shell, copper pipe, drive end bearing bracket, rear end cap and spoiler；The shell is circle
Column shell is provided with water inlet, water outlet, gas vent and drainage hole；The water inlet by flanged joint in water inlet pipe, it is described
Water outlet is by flanged joint in outlet pipe, and the gas vent is welded with casing, which installs exhaust valve again；The draining eyelet welding
It is connected to casing, which installs exhaust valve again；The copper pipe is entered in the shell by the lower half of the drive end bearing bracket, in described
The rear end that the shell is extended in shell is turned back again to the upper half of the drive end bearing bracket；The inner wall and outside wall surface of the copper pipe
It is screwed surface；The excircle of the drive end bearing bracket is connected to the front end of the shell, and the drive end bearing bracket is provided with Jie
Matter entrance and media outlet, the medium inlet are located at lower half, and the media outlet is located at the upper half；The drive end bearing bracket it is interior
The middle of side is provided with the lagging and perpendicular baffle of right-angled intersection, so that the inner space of the drive end bearing bracket is divided into upper left
Portion, lower left quarter, upper right quarter and right lower quadrant；The copper pipe is divided into two systems as medium channel, and a system is medium from a left side
Lower part enters copper pipe, goes out copper pipe from upper left quarter, another system is that medium from right lower quadrant enters copper pipe, goes out copper from upper right quarter
Pipe；The rear end cap is welded in the rear end of the shell, and the rear end cap is welded by cylindrical shell and spherical calotte, described
Cylindrical shell is connect with the rear end of the shell；The spoiler is the discount vibram outlet more than semicircle, and arrangement is part along described
It arranges to interior of shell proportional spacing, the discount vibram outlet of adjacent spoiler is located at vertical two sides up and down, makes in the shell
Runner forms the channel for the turbulent flow that teeters.
Shell of the present invention occupies all spaces of entire evaporator, thus preset on the shell water and medium into
Water outlet can save big quantity space, optimize the design of host；Inlet and outlet are easy for installation using flanged joint, hold
Maintenance easy to maintain；The frequency of use of gas vent and drainage hole is not high, and failure rate is very low, lets out so can be reduced using welding method
Dew.
Detailed description of the invention
Fig. 1 is the positive structure schematic of one embodiment of the present of invention；
Fig. 2 is the overlooking structure diagram of one embodiment of the present of invention；
Fig. 3 is the left side structure schematic diagram of one embodiment of the present of invention.
Appended drawing reference:
Shell 1, copper pipe 2, drive end bearing bracket 3, rear end cap 4, spoiler 5, water inlet 11, water outlet 12, gas vent 13, drainage hole 14,
Noseplate 15, rear bottom plate 16, medium inlet 31, media outlet 32, venting plug 321, fixed link 51.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Central air-conditioning dual system dry type heat exchanger, including shell 1, copper pipe 2, drive end bearing bracket 3, rear end cap 4 and spoiler 5；Institute
Stating shell 1 is cylindrical shell, is provided with water inlet 11, water outlet 12, gas vent 13 and drainage hole 14；The water inlet 11 by
Flanged joint is in water inlet pipe, and the water outlet 12 is by flanged joint in outlet pipe, and the gas vent 13 is welded with casing, the casing
Exhaust valve is installed again；The drainage hole 14 is welded with casing, which installs exhaust valve again；Shell 1 occupies entire evaporator
All spaces, therefore preset water and the intake-outlet of medium on shell 1 and can save big quantity space, optimize host
Design；Water inlet 11 and water outlet 12 are easy for installation using flanged joint, are easy Maintenance and Repair；Gas vent and drainage hole 14
Frequency of use is not high, and failure rate is very low, so can reduce leakage using welding method.The copper pipe 2 is by the drive end bearing bracket 3
Lower half enters in the shell 1, is turned back again in the rear end for extending to the shell 1 in the shell 1 to the drive end bearing bracket 3
The upper half；The inner wall and outside wall surface of the copper pipe 2 are screwed surface；The inside and outside wall surface of copper pipe 2 is all screw thread table
Face can enhance heat exchange area, to improve heat exchange efficiency, reduce energy consumption；The excircle of the drive end bearing bracket 3 is connected to described outer
The front end of shell 1, the drive end bearing bracket 3 are provided with medium inlet 31 and media outlet 32, and the medium inlet 31 is located at lower half, institute
It states media outlet 32 and is located at the upper half；The middle of the inside of the drive end bearing bracket 3 is provided with the lagging and perpendicular gear of right-angled intersection
Plate, so that the inner space of the drive end bearing bracket 3 is divided into upper left quarter, lower left quarter, upper right quarter and right lower quadrant；The copper pipe 2 is made
It is divided into two systems for medium channel, a system is that medium from lower left quarter enters copper pipe 2, is gone out copper pipe 2 from upper left quarter, another
A system is that medium from right lower quadrant enters copper pipe 2, is gone out copper pipe 2 from upper right quarter；It is single when needing to increase the refrigeration work consumption of host
The power of pure lines system has certain limiting value, cannot infinitely increase, therefore two sets of the setting left and right system in same evaporator shell 1
System, to make that there is bigger refrigerating capacity in the volume of the same evaporator.
The rear end cap 4 is welded in the rear end of the shell 1, and the rear end cap 4 is welded by cylindrical shell and spherical calotte
It forms, the cylindrical shell is connect with the rear end of the shell 1；
Welding back shroud 4 reduces manufacturing cost, while also ensuring the airtightness of container；
The spoiler 5 is the discount vibram outlet more than semicircle, and arrangement is that part is arranged along the 1 inside proportional spacing of shell
Column, the discount vibram outlet of adjacent spoiler 5 are located at vertical two sides up and down, so that the runner formation in the shell 1 is teetered disorderly
The channel of stream.
Snakelike flow-disturbing improves heat exchange efficiency, can increase the turbulence factor of water flow under upper and lower installation condition, and raising is changed
The thermal efficiency；
Flange is bolted the water inlet 11 and water inlet pipe using 8.
The thickness of copper pipe is not less than 0.6mm；The screw thread of the copper pipe of every 1cm is no less than 22 circles.
The width of the lagging and perpendicular baffle is not less than 8mm.
Solder thickness is not less than 5mm.
5 spacing of spoiler is between 20cm-30cm.
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. central air-conditioning dual system dry type heat exchanger, including shell, copper pipe, drive end bearing bracket, rear end cap and spoiler, feature exist
In: the shell is cylindrical shell, is provided with water inlet, water outlet, gas vent and drainage hole；The water inlet is connected by flange
It is connected to water inlet pipe, the water outlet is by flanged joint in outlet pipe, and the gas vent is welded with casing, which installs exhaust again
Valve；The drainage hole is welded with casing, which installs exhaust valve again；The copper pipe enters institute by the lower half of the drive end bearing bracket
It states in shell, is turned back again in the rear end for extending to the shell in the shell to the upper half of the drive end bearing bracket；The copper pipe
Inner wall and outside wall surface be screwed surface；The excircle of the drive end bearing bracket is connected to the front end of the shell, institute
It states drive end bearing bracket and is provided with medium inlet and media outlet, the medium inlet is located at lower half, and the media outlet is located at upper half
Portion；The middle of the inside of the drive end bearing bracket is provided with the lagging and perpendicular baffle of right-angled intersection, thus by the drive end bearing bracket
Inner space is divided into upper left quarter, lower left quarter, upper right quarter and right lower quadrant；The copper pipe is divided into two systems as medium channel,
One system is that medium from lower left quarter enters copper pipe, is gone out copper pipe from upper left quarter, another system is that medium enters from right lower quadrant
Copper pipe is gone out copper pipe from upper right quarter；The rear end cap is welded in the rear end of the shell, and the rear end cap is by cylindrical shell and portion
Bulb separation face is welded, and the cylindrical shell is connect with the rear end of the shell；The spoiler is the discount vibram outlet more than semicircle, arrangement
Mode is that part is arranged along the interior of shell proportional spacing, and the discount vibram outlet of adjacent spoiler is located at two above and below vertical
Side makes the runner in the shell form the channel of upper and lower snake-like swing.
2. central air-conditioning dual system dry type heat exchanger as described in claim 1, it is characterised in that: flange is connected using 8 bolts
Connect the water inlet and water inlet pipe.
3. central air-conditioning dual system dry type heat exchanger as described in claim 1, it is characterised in that: the thickness of copper pipe is not less than
0.6mm；The screw thread of the copper pipe of every 1cm is no less than 22 circles.
4. central air-conditioning dual system dry type heat exchanger as described in claim 1, it is characterised in that: the lagging and perpendicular baffle
Width be not less than 8mm.
5. central air-conditioning dual system dry type heat exchanger as described in claim 1, it is characterised in that: solder thickness is not less than 5mm.
6. central air-conditioning dual system dry type heat exchanger as described in claim 1, it is characterised in that: flow-disturbing plate spacing is in 20cm-
Between 30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711028215.4A CN108954790A (en) | 2017-10-29 | 2017-10-29 | Central air-conditioning dual system dry type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711028215.4A CN108954790A (en) | 2017-10-29 | 2017-10-29 | Central air-conditioning dual system dry type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108954790A true CN108954790A (en) | 2018-12-07 |
Family
ID=64495017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711028215.4A Withdrawn CN108954790A (en) | 2017-10-29 | 2017-10-29 | Central air-conditioning dual system dry type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108954790A (en) |
-
2017
- 2017-10-29 CN CN201711028215.4A patent/CN108954790A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181207 |
|
| WW01 | Invention patent application withdrawn after publication |