CN115342456A - Anti-freezing and anti-scaling high-efficiency external cooling indirect evaporative cooler - Google Patents
Anti-freezing and anti-scaling high-efficiency external cooling indirect evaporative cooler Download PDFInfo
- Publication number
- CN115342456A CN115342456A CN202210974153.0A CN202210974153A CN115342456A CN 115342456 A CN115342456 A CN 115342456A CN 202210974153 A CN202210974153 A CN 202210974153A CN 115342456 A CN115342456 A CN 115342456A
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- China
- Prior art keywords
- water
- communicated
- indirect evaporative
- heat exchange
- evaporative cooler
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 38
- 238000007710 freezing Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 163
- 239000007921 spray Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 claims 1
- 230000002528 anti-freeze Effects 0.000 claims 1
- 239000000498 cooling water Substances 0.000 description 12
- 208000001034 Frostbite Diseases 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
-
- 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
-
- 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
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses an anti-freezing and anti-scaling high-efficiency external cooling indirect evaporative cooler which comprises a unit shell, wherein a heat exchange tube is arranged in the unit shell, the heat exchange tube is communicated with a water inlet end, the bottom of the heat exchange tube is provided with a water tank, and the water tank is communicated with the water inlet end through a water pump; the water inlet end is provided with four water supply structures, and each water supply structure can realize the perennial uninterrupted, scale-free, high-efficiency and anti-freezing operation of the indirect evaporative cooler, and keep the perennial high heat exchange efficiency operation.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to an anti-freezing and anti-scaling high-efficiency external cooling indirect evaporative cooler.
Background
An indirect evaporative cooling water chilling unit is an energy-saving air conditioning device and is widely applied to the field of data centers, civil buildings, industrial buildings and other buildings, the main core component of the indirect evaporative cooling water chilling unit is an indirect evaporative cooler, and an external cooling type heat exchanger adopted by the existing indirect evaporative cooling water chilling unit is easy to scale and has low efficiency and is easy to frost crack in winter.
Therefore, the anti-freezing and anti-scaling efficient external cooling indirect evaporative cooler is urgently needed, and the problems that the existing indirect evaporative cooler is easy to scale and frost crack and low in efficiency can be solved.
Disclosure of Invention
The invention aims to provide an anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler, which aims to solve the problems of easy scaling, frost cracking and low efficiency of the existing indirect evaporative cooler.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides an anti-freezing and anti-scaling high-efficiency external cooling indirect evaporative cooler which comprises a unit shell, wherein a heat exchange tube is arranged in the unit shell, the heat exchange tube is communicated with a water inlet end, the bottom of the heat exchange tube is provided with a water tank, and the water tank is communicated with the water inlet end through a water pump.
Preferably, the top of the unit shell is provided with a first water supply pipe, one end of the first water supply pipe is communicated with the water tank through the water pump, the other end of the first water supply pipe is communicated with the water separator, the water separator is provided with a water separator outlet pipe, and the water separator outlet pipe is communicated with the heat exchange pipe.
Preferably, a first water supply pipe is arranged at the top of the unit housing, one end of the first water supply pipe is communicated with the water tank through the water pump, the other end of the first water supply pipe is communicated with the hollow cavity, and the hollow cavity is communicated with the heat exchange pipe.
Preferably, a second water supply pipe is arranged on the side face of the upper portion of the unit shell, one end of the second water supply pipe is communicated with the water tank through the water pump, the other end of the second water supply pipe is communicated with a water distribution device, the water distribution device is connected with a spray head, and the spray head is communicated with the heat exchange pipe.
Preferably, a third water supply pipe is arranged on the side face of the lower portion of the unit shell, one end of the third water supply pipe is communicated with the water tank through the water pump, the other end of the third water supply pipe is communicated with the bottom of the heat exchange pipe, a cross flow channel is arranged at the top of the heat exchange pipe, and the heat exchange pipes are communicated with one another through the cross flow channel.
Preferably, the cooler is made of metal or nonmetal.
Preferably, the primary air side of the unit housing is provided with fins.
Preferably, the cross section of the heat exchange tube is of a circular, rhombic or oval structure, and the heat exchange tubes are vertically arranged and are arranged in a crossed mode.
Preferably, a water baffle is obliquely arranged at the side opening of the water tank.
Preferably, an overflow pipe is arranged below the side opening of the water tank.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the water inlet end of the anti-freezing and anti-scaling high-efficiency external cooling indirect evaporative cooler provided by the invention is provided with four water inlet structures, one structure is that a water supply pipe is connected with each heat exchange pipe for supplying water, the hollow cavity of the water supply pipe is communicated with all the heat exchange pipes for supplying water, the third structure can adopt a spray form to arrange a spray head on the upper part of each heat exchange pipe for spray water supply, and the fourth structure can supply water from the top end in the upwind direction and discharge water at intervals, so that the cascade cooling of cooled air from inlet to outlet is realized, the heat exchange temperature difference is increased, and the efficiency is improved; the water supply structure can realize the flushing type heat exchange of the vertical heat exchange pipe, does not scale during the annual operation, keeps the annual high heat exchange efficiency,
2. according to the anti-freezing and anti-scaling efficient external cooling indirect evaporative cooler provided by the invention, the water tank is arranged below the heat exchanger, so that circulating water supply can be realized, and the water tank is provided with the inclined water baffle plate, so that splashing of drenched water is avoided; in addition, the water tank is provided with an overflow pipe which can be connected into a large water tank of the indirect evaporative cooling water chilling unit to prevent water in the water tank from overflowing.
3. According to the anti-freezing and anti-scaling high-efficiency external cooling indirect evaporative cooler provided by the invention, the whole material can be made of metal and non-metal materials, the heat exchange tubes can be in the shapes of circles, diamonds, ellipses and the like, and the heat exchange tubes are in an open form of cross arrangement of vertical runners, so that water in the runners can be conveniently drained when the indirect evaporative cooler is not operated in winter, and frost cracking is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an embodiment 1 of an anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler provided by the invention;
FIG. 2 is a schematic structural diagram of an embodiment 2 of an anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler provided by the invention;
FIG. 3 is a schematic structural diagram of an embodiment 3 of an anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler provided by the invention;
FIG. 4 is a schematic view of a part of a water distribution device in an embodiment 3 of the anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler provided by the present invention;
FIG. 5 is a schematic structural diagram of an embodiment 4 of an anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler provided by the invention;
FIG. 6 is a schematic view of the external structure of the anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler provided by the present invention
In the figure: 1: first water supply pipe, 2: water separator, 3: water knockout drum outlet pipe, 4: heat exchange tube, 5: a water tank, 6: water guard plate, 7: overflow pipe, 8: hollow cavity, 9: second water supply pipe, 10: water distribution device, 11: a nozzle, 12: third water supply pipe, 13: cross flow channel, 14: and a fin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler, which aims to solve the problems of easy scaling, frost cracking and low efficiency of the conventional indirect evaporative cooler.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
Example 1:
the embodiment provides an anti-freezing and anti-scaling efficient external cooling indirect evaporative cooler, as shown in fig. 1 and 6, the whole cooler is made of stainless steel and comprises a unit shell, fins are arranged on the primary air side of the unit shell and can effectively increase the heat exchange area, a heat exchange tube 4 is arranged in the unit shell, the bottom of the heat exchange tube is connected with a water tank 5, a water baffle 6 is obliquely arranged at the side opening of the water tank 5 to prevent water from splashing, and an overflow tube 7 is arranged below the side opening of the water tank 5 and can be connected into a large water tank of an indirect evaporative cooling water chilling unit to prevent water in the water tank from overflowing; the cross section of the heat exchange tube 4 is of a circular structure, and the heat exchange tube is vertically and crossly arranged in the unit shell, so that water in a runner can be conveniently emptied when the unit shell does not run in winter, frost cracking is prevented, a first water supply tube 1 is arranged at the top of the unit shell, one end of the first water supply tube 1 is communicated with a water tank 5 through a water pump, the other end of the first water supply tube 1 is communicated with a water distributor 2, a water distributor outlet tube 3 is arranged on the water distributor 2, and the water distributor outlet tube 3 is communicated with the heat exchange tube 4.
The embodiment provides a prevent frostbite and prevent high-efficient external cooling indirect evaporative cooler of scale deposit, its theory of operation is: when the indirect evaporative cooler operates, the water pump is started, cooling water is pumped out from the water tank 5, enters the water separator 2 through the first water supply pipe 1, is divided by the water outlet pipe 3 of the water separator, flows into the heat exchange pipe 4 to exchange heat with air in the primary channel, and finally is collected and flows back to the water tank 5, so that circulation is realized.
Example 2:
as a variation of embodiment 1, this embodiment provides another anti-freezing and anti-scaling high-efficiency external cooling indirect evaporative cooler, as shown in fig. 2, in this embodiment, a hollow cavity 8 is disposed at the top of the unit housing, one end of the first water supply pipe 1 is communicated with the water tank 5 through a water pump, the other end of the first water supply pipe 1 is communicated with the hollow cavity 8, and the hollow cavity 8 is communicated with the heat exchange pipe 4.
This embodiment is the same as embodiment 1 except that the above-described structure is different from embodiment 1.
The embodiment provides a prevent frostbite and prevent high-efficient external cooling indirect evaporative cooler of scale deposit, its theory of operation is: when the indirect evaporative cooler operates, the water pump is started, cooling water is pumped out from the water tank 5, enters the hollow cavity 8 through the first water supply pipe 1, is directly communicated for supplying water, flows into the heat exchange pipe 4 for exchanging heat with air in the primary channel, and finally is collected and flows back to the water tank 5, so that circulation is realized.
Example 3:
as an improvement of embodiment 1, this embodiment provides another anti-freezing and anti-scaling high-efficiency external cooling indirect evaporative cooler, as shown in fig. 3 and 4, the top of the unit housing is a closed structure, the upper side surface of the unit housing is provided with a second water supply pipe 9, one end of the second water supply pipe 9 is communicated with the water tank 5 through a water pump, the other end of the second water supply pipe 9 is communicated with a water distribution device 10, the water distribution device 10 is connected with a spray head 11, and the spray head 11 is communicated with the heat exchange pipe 4.
This embodiment is the same as embodiment 1 except that the above-described structure is different from embodiment 1.
The embodiment provides a prevent frostbite and prevent high-efficient external cooling indirect evaporative cooler of scale deposit, its theory of operation is: when the indirect evaporative cooler operates, the water pump is started, cooling water is pumped out from the water tank 5, flows into the water distribution device 10 through the second water supply pipe 9, is dispersedly sprayed into the heat exchange pipe 4 through each branch pipe of the water distribution device 10 and the spray head 11 to exchange heat with air in the primary channel, and finally is collected and flows back into the water tank 5, so that circulation is realized.
Example 4:
as an improvement of embodiment 1, this embodiment provides another anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler, as shown in fig. 5, the top of the unit housing is a closed structure, the lower side of the unit housing is provided with a third water supply pipe 12, one end of the third water supply pipe 12 is communicated with the water tank 5 through a water pump, the other end of the third water supply pipe 12 is communicated with the bottom of the heat exchange pipe 4, the top of the heat exchange pipe 4 is provided with a cross flow channel 13, and the heat exchange pipes 4 are communicated with each other through the cross flow channel 13.
This embodiment is the same as embodiment 1 except that the above-described structure is different from embodiment 1.
The embodiment provides a prevent frostbite and prevent high-efficient external cooling indirect evaporative cooler of scale deposit, its theory of operation is: when the indirect evaporative cooler operates, the water pump is started, cooling water is pumped out from the water tank 5 and flows into a part of pipelines flowing upwards in the heat exchange tube 4 through the third water supply pipe 12, when the cooling water flows to the top of the heat exchange tube 4, the cooling water flows through the cross flow channel 13 and flows into the rest of pipelines flowing downwards in the heat exchange tube 4 in a separated mode, namely, the cooling water flows into the topmost end in the upwind direction and is discharged in a separated mode, cooling of cooled air from the inlet to the outlet of the cascade is achieved, the heat exchange temperature difference is increased, the efficiency is improved, and finally the cooled air is collected and flows back into the water tank 5 to circulate.
It should be noted that, the structures of the present invention for driving water flow, such as a water pump, belong to the prior art in the field, and are not specific technical features of the present invention, and on the premise that the working principle and the arrangement mode thereof are well known to those skilled in the art, the detailed structures thereof are not described in detail in the present application.
The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (10)
1. The utility model provides an anti-freeze prevents high-efficient external cooling indirect evaporative cooler of scale deposit which characterized in that: the water tank is communicated with the water inlet end through a water pump.
2. The anti-freezing anti-scaling high-efficiency external-cooling indirect evaporative cooler of claim 1, characterized in that: the water distributor is characterized in that a first water supply pipe is arranged at the top of the unit shell, one end of the first water supply pipe is communicated with the water tank through the water pump, the other end of the first water supply pipe is communicated with the water distributor, a water distributor water outlet pipe is arranged on the water distributor, and the water distributor water outlet pipe is communicated with the heat exchange pipe.
3. The anti-freezing anti-scaling high-efficiency external-cooling indirect evaporative cooler of claim 1, characterized in that: the top of the unit shell is provided with a first water supply pipe, one end of the first water supply pipe is communicated with the water tank through the water pump, the other end of the first water supply pipe is communicated with a hollow cavity, and the hollow cavity is communicated with the heat exchange pipe.
4. The anti-freezing anti-scaling high-efficiency external-cooling indirect evaporative cooler of claim 1, characterized in that: and a second water supply pipe is arranged on the side surface of the upper part of the unit shell, one end of the second water supply pipe is communicated with the water tank through the water pump, the other end of the second water supply pipe is communicated with a water distribution device, the water distribution device is connected with a spray head, and the spray head is communicated with the heat exchange pipe.
5. The anti-freezing anti-scaling high-efficiency external-cooling indirect evaporative cooler of claim 1, characterized in that: the side face of the lower portion of the unit shell is provided with a third water supply pipe, one end of the third water supply pipe is communicated with the water tank through the water pump, the other end of the third water supply pipe is communicated with the bottom of the heat exchange pipe, the top of the heat exchange pipe is provided with a cross flow channel, and the heat exchange pipes are communicated with one another through the cross flow channel.
6. The anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler as claimed in any one of claims 1 to 5, wherein: the cooler is made of metal or nonmetal materials.
7. The anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler as claimed in any one of claims 1 to 5, wherein: and fins are arranged on the primary air side of the unit shell.
8. The anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler as claimed in any one of claims 1 to 5, wherein: the cross section of the heat exchange tube is of a circular, rhombic or oval structure, and the heat exchange tubes are vertically arranged and are arranged in a crossed mode.
9. The anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler as claimed in any one of claims 1 to 5, wherein: and a water baffle is obliquely arranged at the opening on the side surface of the water tank.
10. The anti-freezing and anti-scaling high-efficiency external-cooling indirect evaporative cooler as claimed in any one of claims 1 to 5, wherein: and an overflow pipe is arranged below the side opening of the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210974153.0A CN115342456A (en) | 2022-08-15 | 2022-08-15 | Anti-freezing and anti-scaling high-efficiency external cooling indirect evaporative cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210974153.0A CN115342456A (en) | 2022-08-15 | 2022-08-15 | Anti-freezing and anti-scaling high-efficiency external cooling indirect evaporative cooler |
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| Publication Number | Publication Date |
|---|---|
| CN115342456A true CN115342456A (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210974153.0A Pending CN115342456A (en) | 2022-08-15 | 2022-08-15 | Anti-freezing and anti-scaling high-efficiency external cooling indirect evaporative cooler |
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| CN (1) | CN115342456A (en) |
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| WO2022068971A1 (en) * | 2020-10-16 | 2022-04-07 | 青岛海尔空调器有限总公司 | Drying system, and laundry treatment apparatus comprising same |
| CN114353546A (en) * | 2021-11-30 | 2022-04-15 | 中国船舶重工集团公司第七一九研究所 | Ship centralized intermediate cooling system |
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