CN106338119A - Backflow type evaporative cooling water chilling unit - Google Patents
Backflow type evaporative cooling water chilling unit Download PDFInfo
- Publication number
- CN106338119A CN106338119A CN201610924126.7A CN201610924126A CN106338119A CN 106338119 A CN106338119 A CN 106338119A CN 201610924126 A CN201610924126 A CN 201610924126A CN 106338119 A CN106338119 A CN 106338119A
- Authority
- CN
- China
- Prior art keywords
- water
- cooling section
- cooling
- wet channel
- evaporation
- 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.)
- Pending
Links
- 239000000498 cooling water Substances 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
- 238000001816 cooling Methods 0.000 claims abstract description 109
- 238000001704 evaporation Methods 0.000 claims description 69
- 230000008020 evaporation Effects 0.000 claims description 69
- 239000000463 material Substances 0.000 claims description 23
- 239000004744 fabric Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 2
- 238000005192 partition Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 3
- 206010009866 Cold sweat Diseases 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
- F24F13/30—Arrangement or mounting of heat-exchangers
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)
Abstract
The invention discloses a backflow type evaporative cooling water chilling unit. The backflow type evaporative cooling water chilling unit comprises an air system and a circulation water system. In a machine shell of the backflow type evaporative cooling water chilling unit, air sequentially passes through a dry channel of an indirect evaporative cooling section, a rear direct evaporative cooling section, a wet channel of the indirect evaporative cooling section, a top direct evaporative cooling section, a water baffle and an exhaust fan. Air is subjected to equal-humidity cooling after heat is transmitted to the wet channel through partition plates (or pipe walls) between the dry channel and the wet channel in the dry channel of the indirect evaporative cooling section; in the rear direct evaporative cooling section, heat and humidity exchange is conducted on air and water, and needed cold water is prepared; in the vertical wet channel of the indirect evaporative cooling section, heat and humidity exchange is conducted on air and water; then air enters the top direct evaporative cooling section to precool backwater, and then the cold water is discharged out of the unit. Due to the fact that the large temperature difference exists between the inflow air of the wet channel and outdoor air entering the dry channel, the low-temperature cold water can be obtained under the situation that only one set of exhaust system exists.
Description
Technical field
The invention belongs to air conditioner technical field, it is related to a kind of evaporation cooling handpiece Water Chilling Units being applied to Arid Area,
Specifically related to a kind of reverse-flow type evaporation cooling handpiece Water Chilling Units.
Background technology
The humidity of xeothermic Area during Summer outdoor air is low, air and water during hot and humid area, due to evaporation of water
Absorption heat is a kind of both economical, energy-conservation mode the purpose to realize cooling down.Evaporation cooling technique is in the xeothermic area of China
Have been obtained for wide application, main application mode has evaporative cooling air conditioning machine group (producing cold wind), evaporation cooling cold water
Unit (produces cold water).
The handpiece Water Chilling Units of evaporation cooling at present also have various ways, wherein have between surface cooler+direct evaporation section compound mode
Connect evaporation cooling handpiece Water Chilling Units, also have the dew-point evaporation using tubular type dew point indirect evaporative cooler+direct evaporation section combination
Cooling handpiece Water Chilling Units.The cold water temperature that indirect evaporation cooling water chiller is produced is slightly below outdoor air wet bulb temperature, in outdoor wet bulb
The slightly higher area of temperature should have is limited to.And dew-point evaporative cooling water chilling unit structure is more complicated, need two sets of blower fan systems
System, the exhaust system after a set of section for direct evaporation, a set of for dew-point indirect evaporation cooler secondary exhausting blower fan, produce with
In the case of sample refrigerating capacity, exhaust air rate is larger, and unit gas-water ratio is larger;And the dew-point indirect evaporation cooler structure being adopted
Make more complicated, difficulty of processing and cost are all higher.
Content of the invention
It is an object of the invention to provide a kind of reverse-flow type evaporation cooling handpiece Water Chilling Units, can be in only a set of exhaust system
In the case of, improve the heat exchange efficiency of evaporation cooling handpiece Water Chilling Units, in the case of less gas-water ratio, obtain lower temperature
Cold water.
The implementation method of the present invention is: a kind of reverse-flow type evaporation cooling handpiece Water Chilling Units, including air system and circulating water
System, evaporates in the casing of cooling handpiece Water Chilling Units in reverse-flow type, from air inlet to air outlet, it is cold that air sequentially passes through indirect evaporation type
But the dry passage of section, rear portion direct evaporating-cooling section, the wet channel of indirect evaporation type cooling section, top direct evaporating-cooling section,
Water fender and exhaust blower.
Heat is passed through the dividing plate between dry, wet channel in the dry passage of indirect evaporation type cooling section by outdoor air of the present invention
(or tube wall) pass to after wet channel by etc. clammy but;In the direct evaporating-cooling section of rear portion, carry out with top-down water
Hot and humid area;In the vertical wet channel of indirect evaporation type cooling section, carry out hot and humid area with water, the air in wet channel and water
Temperature all decline, also absorb the heat of dry air in dry passage simultaneously, reduce the temperature of dry air in dry passage;Then
Enter into top direct evaporation section, absorb the heat in water further, water is carried out pre-cooling, drains into outdoor finally by exhaust blower
In the air.
User's circulating backwater of the present invention first passes through first paragraph spray water distribution system and enters into top direct evaporating-cooling section
(can selections), carries out pre-cooling to water, subsequently into the vertical wet channel of indirect evaporation type cooling section front half section, with reverse flow
There is hot and humid area in air, the temperature of water decreases, subsequently into first water tank, then by water pump lifting to second segment and the
Three sections of spray systems, enter the vertical wet channel of indirect evaporation type cooling section second half section from second segment spray system water out,
There is hot and humid area with air, water temperature reduces further, subsequently into second water tank;From the 3rd section of spray system water out
Enter rear portion direct evaporating-cooling section, with air, hot and humid area occurs again, after water is sufficiently cooled, enter second water tank;So
It is delivered to user side from second water tank through circulating pump afterwards, after having changed heat, return to unit, circular treatment.
Due to the air intake of the wet channel of the present invention be through dry passage medium clammy but with direct evaporating-cooling Duan Zhongjin
The relatively low air of temperature after one step cooling, with enter dry passage outdoor air there is the larger temperature difference, entering wet channel
Afterwards, there is the ability of very strong heat absorption and moisture absorption, the heat exchange efficiency of therefore indirect evaporation type cooling section is very high, indirectly steams with other
Send out cooler and compare that heat transfer temperature difference is bigger, therefore in the case of obtaining identical dry passage leaving air temp, heat exchange area is less, if
Standby volume is less.Dry passage leaving air temp is lower, and the cold water temperature finally produced is lower.
It is that one is empty due in unit of the present invention, flowing through dry passage with the air of direct evaporating-cooling section and wet channel
Gas, therefore only needs to a set of exhaust system, and air draft is through sufficient heat exchange, and unit gas-water ratio is smaller.
Because in the previous section dry passage of indirect evaporation type cooling section, air themperature is higher, empty in aft section dry passage
Temperature degree is higher, and the air themperature of direct evaporating-cooling section is lower, and recirculated water to have just enter into temperature during unit higher, therefore will
Spray system is divided into three sections, gradually can obtain the cold water of lower temperature after spraying cooling, and water tank corresponding with spray system can simultaneously
It is set to two water tanks or three water tanks.
When circulating backwater temperature is higher, can be in the lower section of first paragraph spray system, the top of indirect evaporation type cooling section
Setting top direct evaporating-cooling section, carries out pre-cooling to backwater.If circulating backwater temperature is relatively low, it is not provided with top direct
Evaporation cooling section.
Indirect evaporation type cooling section can adopt board-like, tubular type may also be employed, tubular type can be heat exchanger tube horizontal positioned, in pipe
For dry passage, pipe is outer to be wet channel, and heat exchanger tube can also vertically be placed by tubular type, and pipe is outer to be dry passage, is wet channel in pipe.
One group of bronze pan tube finned heat exchanger can be increased in the inlet side of unit, can be by air intake pre-cooling, to improve unit
Cooling effect or reduce indirect evaporation type cooling section heat exchange area.
Brief description
Accompanying drawing 1 is the structural representation of the embodiment of the present invention 1.
Accompanying drawing 2 is plate type indirect evaporation formula cooling section structural representation.
Accompanying drawing 3 is horizontal tube indirect evaporation type cooling section structural representation in the embodiment of the present invention 2.
Accompanying drawing 4 is vertical tubular type indirect evaporation type cooling section structural representation in the embodiment of the present invention 3.
Accompanying drawing 5 is the structural representation of the embodiment of the present invention 4.
Accompanying drawing 6 is the structural representation of the embodiment of the present invention 5.
Accompanying drawing 7 is the structural representation of the embodiment of the present invention 6.
With reference to embodiment, the present invention is elaborated:
Specific embodiment
Embodiment 1, as shown in figure 1, a kind of reverse-flow type evaporation cooling handpiece Water Chilling Units, including air system and circulating water
System, evaporates in the casing of cooling handpiece Water Chilling Units in reverse-flow type, from air inlet to air outlet, air 20 sequentially passes through indirect evaporation type
The dry passage 21 of cooling section 1, rear portion direct evaporating-cooling section 2, the wet channel 22 of indirect evaporation type cooling section 1, top are directly steamed
Send out cooling section 3, water fender 8 and exhaust blower 4.Evaporate in reverse-flow type and in the casing of cooling handpiece Water Chilling Units, adopt two bottom water tanks 7
With 8, from water inlet pipe to outlet pipe, recirculated water 16 sequentially passes through water distribution system 13, top direct evaporating-cooling section 3, indirect evaporation
The wet channel 22 of the front half section of formula cooling section 1, water tank 7, water pump 10, water distribution system 14 and water distribution system 15, indirect evaporation type are cold
But the wet channel 22 of section 1 second half section and rear portion direct evaporating-cooling section 2, water tank 8.Bottom in rear portion direct evaporating-cooling section 2
Front half section setting deep bead 9, water distribution system 14 top arrange volume damper 6.Indirect evaporation type cooling section 1 is board-like knot
Structure, full-page proof Fig. 2 of detailed indirect evaporation type cooling section 1, wherein horizontal channel 21 are dry passage, and vertical passageway 22 is wet channel, wet
Heat exchange dividing plate between passage and dry passage is 23, and the space support between dividing plate is configured to 24.Dividing plate and support build material
Plastic material can be alternatively for metal material, wet channel inwall can adhere to yarn fabric or other materials, also sprayable hydrophilic material
Material.
Embodiment 2, as shown in figure 3, indirect evaporation type cooling section is horizontal tube structure in this embodiment, wherein horizontal tube
It is dry passage in 25 pipes, pipe is outer to be wet channel, and heat exchanger tube material can be alternatively plastic material for metal material, and wet channel inwall can
Attachment yarn fabric or other materials, also sprayable water wetted material.
Embodiment 3, as shown in figure 4, indirect evaporation type cooling section is vertical tubular structure in this embodiment, wherein vertical duct
26 pipes are outer to be dry passage, is wet channel in pipe.
Embodiment 4, as shown in figure 5, being to be not provided with top direct evaporating-cooling section 3 with the difference of embodiment 1, main applies
Less in supply backwater temperature difference, or return water temperature not high it is not necessary to the occasion of pre-cooling.
Embodiment 5, as shown in fig. 6, be the increase in a water tank 7a and water pump 10a with the difference of embodiment 1, from water inlet pipe
To outlet pipe, recirculated water 16 sequentially pass through water distribution system 13, top direct evaporating-cooling section 3, before indirect evaporation type cooling section 1
Half section of wet channel 22, water tank 7, water pump 10, water distribution system 14, the wet channel of the second half section of indirect evaporation type cooling section 1 22, water
Case 7a, water pump 10a and water distribution system 15, rear portion direct evaporating-cooling section 2, water tank 8.
Embodiment 6, as shown in fig. 7, be to increased one group of coiled heat exchange in the inlet side of unit with the difference of embodiment 1
Device 27, its objective is first to carry out air intake pre-cooling, can improve the cooling effect of unit or reduce indirect evaporation type cooling section 1
Heat exchange area.
Claims (10)
1. a kind of reverse-flow type evaporation cooling handpiece Water Chilling Units, including air system and circulation, is characterized in that: steam in reverse-flow type
Feel cold but in the casing of handpiece Water Chilling Units, from air inlet to air outlet, air (20) sequentially passes through indirect evaporation type cooling section (1)
Dry passage (21), rear portion direct evaporating-cooling section (2), the wet channel (22) of indirect evaporation type cooling section (1), top direct evaporation
Cooling section (3), water fender (8) and exhaust blower (4).
2. reverse-flow type evaporation cooling handpiece Water Chilling Units according to claim 1, is characterized in that: evaporate cooling cold water in reverse-flow type
Two bottom water tanks (7) and (8) are adopted, from water inlet pipe to outlet pipe, recirculated water sequentially passes through water distribution system in the casing of unit
(13), top direct evaporating-cooling section (3), the wet channel (22) of the front half section of indirect evaporation type cooling section (1), water tank (7), water
Pump (10), water distribution system (14) and water distribution system (15), the wet channel of indirect evaporation type cooling section (1) second half section (22) and rear portion
Direct evaporating-cooling section (2), water tank (8).
3. reverse-flow type evaporation cooling handpiece Water Chilling Units according to claim 1, is characterized in that: evaporate cooling cold water in reverse-flow type
Three bottom water tanks (7), (7a) and (8) are adopted, from water inlet pipe to outlet pipe, recirculated water sequentially passes through water distribution in the casing of unit
System (13), top direct evaporating-cooling section (3), the wet channel (22) of the front half section of indirect evaporation type cooling section (1), water tank
(7), water pump (10), water distribution system (14), the wet channel of the second half section of indirect evaporation type cooling section (1) (22), water tank (7a), water
Pump (10a) and water distribution system (15), rear portion direct evaporating-cooling section (2), water tank (8).
4. reverse-flow type evaporation cooling handpiece Water Chilling Units according to claim 1, is characterized in that: indirect evaporation type cooling section (1)
Using plank frame, wherein horizontal channel (21) are dry passage, and vertical passageway (22) are wet channel, between wet channel and dry passage
Heat exchange dividing plate be (23), the space support between dividing plate is configured to (24), dividing plate and support that to build material can be metal material
It is alternatively plastic material, wet channel inwall can adhere to yarn fabric or other materials, also sprayable water wetted material.
5. reverse-flow type evaporation cooling handpiece Water Chilling Units according to claim 1, is characterized in that: indirect evaporation type cooling section (1)
Using horizontal tube structure, it is wherein dry passage in horizontal tube (25) pipe, pipe is outer to be wet channel, and heat exchanger tube material can be metal material
Material is alternatively plastic material, and wet channel inwall can adhere to yarn fabric or other materials, also sprayable water wetted material.
6. reverse-flow type evaporation cooling handpiece Water Chilling Units according to claim 1, is characterized in that: indirect evaporation type cooling section (1)
Using vertical tubular structure, wherein vertical duct (26) pipe is outer is dry passage, is wet channel, heat exchanger tube material can be metal material in pipe
Material is alternatively plastic material, and wet channel inwall can adhere to yarn fabric or other materials, also sprayable water wetted material.
7. reverse-flow type according to claim 1 evaporation cooling handpiece Water Chilling Units, is characterized in that: reverse-flow type evaporation cooling cold
In the casing of water dispenser group, in the case of being not provided with top direct evaporation section, from air inlet to air outlet, air sequentially passes through indirectly
The dry passage (21) of vaporation-type cooling section (1), rear portion direct evaporating-cooling section (2), the wet channel of indirect evaporation type cooling section (1)
(22), water fender (8) and exhaust blower (4).
8. reverse-flow type evaporation cooling handpiece Water Chilling Units according to claim 1, is characterized in that: in the inlet side setting disk of unit
Pipe heat exchanger (27), system return first passes through heat exchanger and enters back into water distribution system (13).
9. reverse-flow type evaporation cooling handpiece Water Chilling Units according to claim 1, is characterized in that: in rear portion direct evaporating-cooling section
(2) front half section setting deep bead (9) of bottom.
10. reverse-flow type evaporation cooling handpiece Water Chilling Units according to claim 1, is characterized in that: on water distribution system (14) top
Setting volume damper (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610924126.7A CN106338119A (en) | 2016-10-24 | 2016-10-24 | Backflow type evaporative cooling water chilling unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610924126.7A CN106338119A (en) | 2016-10-24 | 2016-10-24 | Backflow type evaporative cooling water chilling unit |
Publications (1)
Publication Number | Publication Date |
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CN106338119A true CN106338119A (en) | 2017-01-18 |
Family
ID=57840524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610924126.7A Pending CN106338119A (en) | 2016-10-24 | 2016-10-24 | Backflow type evaporative cooling water chilling unit |
Country Status (1)
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CN (1) | CN106338119A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107543264A (en) * | 2017-08-22 | 2018-01-05 | 西安工程大学 | Handpiece Water Chilling Units are cooled down using the evaporation of plate fin type indirect evaporative cooler |
CN116658987A (en) * | 2023-07-07 | 2023-08-29 | 成都雅思欧科技有限公司 | Capillary evaporation air conditioner |
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CN1862205A (en) * | 2005-05-14 | 2006-11-15 | 康梅 | High-efficient low-temp cooling tower |
CN101266091A (en) * | 2008-04-14 | 2008-09-17 | 西安工程大学 | Porous functional ceramic dew point plate fin type indirect evaporative cooler |
CN101377338A (en) * | 2007-08-31 | 2009-03-04 | 于向阳 | Progressive indirect evaporation cooler |
KR20090121618A (en) * | 2008-05-22 | 2009-11-26 | 엘지전자 주식회사 | Dehumidifying air conditioner |
CN202392911U (en) * | 2011-09-26 | 2012-08-22 | 西安工程大学 | Heat pipe recirculation type evaporative cooling air conditioning unit |
CN104019510A (en) * | 2014-06-09 | 2014-09-03 | 西安工程大学 | Water-air radiant panel evaporative cooling air conditioning system provided with cold beam and used for data center |
CN206531209U (en) * | 2016-10-24 | 2017-09-29 | 祝大顺 | Reverse-flow type evaporation cooling handpiece Water Chilling Units |
-
2016
- 2016-10-24 CN CN201610924126.7A patent/CN106338119A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1862205A (en) * | 2005-05-14 | 2006-11-15 | 康梅 | High-efficient low-temp cooling tower |
CN101377338A (en) * | 2007-08-31 | 2009-03-04 | 于向阳 | Progressive indirect evaporation cooler |
CN101266091A (en) * | 2008-04-14 | 2008-09-17 | 西安工程大学 | Porous functional ceramic dew point plate fin type indirect evaporative cooler |
KR20090121618A (en) * | 2008-05-22 | 2009-11-26 | 엘지전자 주식회사 | Dehumidifying air conditioner |
CN202392911U (en) * | 2011-09-26 | 2012-08-22 | 西安工程大学 | Heat pipe recirculation type evaporative cooling air conditioning unit |
CN104019510A (en) * | 2014-06-09 | 2014-09-03 | 西安工程大学 | Water-air radiant panel evaporative cooling air conditioning system provided with cold beam and used for data center |
CN206531209U (en) * | 2016-10-24 | 2017-09-29 | 祝大顺 | Reverse-flow type evaporation cooling handpiece Water Chilling Units |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107543264A (en) * | 2017-08-22 | 2018-01-05 | 西安工程大学 | Handpiece Water Chilling Units are cooled down using the evaporation of plate fin type indirect evaporative cooler |
CN107543264B (en) * | 2017-08-22 | 2020-02-18 | 西安工程大学 | Evaporative cooling water chilling unit applying plate-fin indirect evaporative cooler |
CN116658987A (en) * | 2023-07-07 | 2023-08-29 | 成都雅思欧科技有限公司 | Capillary evaporation air conditioner |
CN116658987B (en) * | 2023-07-07 | 2024-05-24 | 成都雅思欧科技有限公司 | Capillary evaporation air conditioner |
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