CN102767878B - Dew-point evaporative cooling water chilling unit - Google Patents
Dew-point evaporative cooling water chilling unit Download PDFInfo
- Publication number
- CN102767878B CN102767878B CN201210245257.4A CN201210245257A CN102767878B CN 102767878 B CN102767878 B CN 102767878B CN 201210245257 A CN201210245257 A CN 201210245257A CN 102767878 B CN102767878 B CN 102767878B
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- water
- nozzle
- filler
- header tank
- 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.)
- Expired - Fee Related
Links
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a dew-point evaporative cooling water chilling unit which comprises a unit shell, two-stage chilling sections which are an indirect section and a direct section are arranged in the unit shell juxtaposedly, wherein the indirect section structurally comprises a tubular heat exchanger, the upper part of the tubular heat exchanger is provided with a nozzle (a) for downwards spraying, the lower part of the tubular heat exchanger is provided with a water collecting tank a, and a submersible pump in the water collecting tank (a) is connected with the nozzle by a water pipe; the direct section structurally comprises a filler, the upper part of the filler is provided with a nozzle (b) for downwards spraying, the upper part of the nozzle (b) is provided with a water baffle (b), the upper part of the water baffle (b) is provided with an exhaust fan b which is provided with an exhaust outlet (b) corresponding to the unit shell, the lower part of the filler is provided with a water collecting tank (b), and a water processer in the water collecting tank (b) is connected with the nozzle (b) by a water pipeline. In the water chilling unit, the structure of the heat exchanger is optimized, air is chilled step by step, heat and humidity exchange is carried out between the air and water step by step, water temperature is lowered step by step, and finally, a cooling effect is achieved.
Description
Technical field
The invention belongs to air conditioner technical field, relate to a kind of aircondition, be specifically related to a kind of dew point formula evaporative cooling handpiece Water Chilling Units.
Background technology
Evaporative Cooling Air Conditioning technology be utilize the dry-bulb temperature of regenerative resource dry air in natural environment and dew-point temperature poor, obtain a kind of environmental protection of cold, efficiently and the comparatively economic type of cooling by the wet exchange of the heat between water and air.Utilize evaporation cooling technique not only can produce cold wind, also can produce cold water.At present, utilizing evaporation cooling technique to produce high temperature cold water applies to some extent in NORTHWEST CHINA area.
Utilize evaporative cooling to produce high temperature cold water principal mode and have direct-type (open cooling tower), indirect type (closed cooling tower), evaporative cooling combined type cold water unit.The cold water water temperature that wherein directly evaporative cooling handpiece Water Chilling Units, the cooling handpiece Water Chilling Units of indirect evaporation are produced out levels off to the wet-bulb temperature of outdoor air, the cold water water temperature that evaporative cooling combined type cold water unit is produced out equals sub-wet-bulb temperature, namely, between the wet-bulb temperature and dew-point temperature of outdoor air, in the larger situation of humidity, it is to meet the requirement of producing cold water temperature.Meanwhile, existing most of air-conditioning unit also exists that air drag loss is large, energy consumption is high and takes up an area the series of problems such as space is large.
Summary of the invention
The object of the present invention is to provide dew point formula evaporative cooling handpiece Water Chilling Units, optimized the structure of pipe heat exchanger, realized step by step that the wet exchange of heat occurs step by step for cooling-air, air and water, water temperature reduces step by step, the dew-point temperature that finally reaches water temperature and approach air.
The technical solution adopted in the present invention is, dew point formula evaporative cooling handpiece Water Chilling Units, comprise the fresh wind port arranging on machine unit shell sidewall, fresh wind port below is provided with exhaust outlet a, indirect section and direct section two-stage cooling section in machine unit shell, are arranged side by side, the structure of section is indirectly: comprise pipe heat exchanger, the top of pipe heat exchanger is provided with the nozzle a of downward spray, the bottom of pipe heat exchanger is provided with header tank a, in header tank a, be provided with water compensating valve a, immersible pump, immersible pump in header tank a is connected with nozzle a by water pipe, between exhaust outlet a and indirect section, be provided with exhaust blower a and water fender a, directly the structure of section is: comprise filler, filler top is provided with the nozzle b of downward spray, the top of nozzle b is provided with water fender b, the top of water fender b is provided with exhaust blower b, on machine unit shell corresponding to exhaust blower b, be provided with exhaust outlet b, filler bottom is provided with header tank b, is provided with water compensating valve b and hydrotreater in header tank b, hydrotreater in header tank b is connected with nozzle b by waterway pipe, is also provided with water pump and user's end on waterway pipe.
Feature of the present invention is also,
Pipe heat exchanger includes many horizontally disposed heat exchanger tubes, consistent with a wind approach axis, and structure is that heat exchanger tube that the heat exchanger tube that from top to bottom increases successively and length remain unchanged is separated by and is formed by stacking.
Heat exchanger tube in pipe heat exchanger is elliptical tube, and the structure of heat exchanger tube is: heat exchanger tube interpolation helix, heat exchanger tube are coated with the aluminium foil of being made up of hygroscopic materials.
Filler adopts multistage filler, is from top to bottom formed by stacking.
Compared with existing evaporative cooling handpiece Water Chilling Units, handpiece Water Chilling Units of the present invention has following features:
1) structure of pipe type heat transfer pipe is optimized to design, to air stepwise disposal, finally realizes the processed air of part and approach its dew-point temperature.Adopt multistage filler, there is the wet exchange of heat with the air of being crossed by stepwise disposal from top to bottom in water, finally makes water temperature approach the dew-point temperature of air step by step;
2) adopt pipe type heat transfer pipe, resistance is less, is difficult for stopping up, and makes power of fan less, and complete machine energy consumption is lower, more energy-conservation;
3) overall unit will be indirectly with directly superimposed compound, and structure is more compact, has saved occupation of land space.
Brief description of the drawings
Fig. 1 is the structural representation of handpiece Water Chilling Units of the present invention;
Fig. 2 is the structural representation of pipe heat exchanger in handpiece Water Chilling Units of the present invention;
Fig. 3 is the processing procedure psychrometric chart of handpiece Water Chilling Units of the present invention.
In figure, 1. fresh wind port, 2. pipe heat exchanger, 3. exhaust blower a, 4. exhaust outlet a, 5. water fender a, 6. header tank a, 7. water compensating valve a, 8. immersible pump, 9. header tank b, 10. water compensating valve b, 11. hydrotreaters, 12. water pumps, 13. fillers, 14. nozzle b, 15. water fender b, 16 exhaust blower b, 17, exhaust outlet b, 18 nozzle a, 19 user's ends.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Dew point formula evaporative cooling handpiece Water Chilling Units of the present invention, its structure as shown in Figure 1, includes machine unit shell, on machine unit shell one sidewall, is provided with fresh wind port 1, fresh wind port 1 below is provided with exhaust outlet a4, has been arranged side by side indirect section and direct section two-stage cooling section in machine unit shell.
The structure of section is indirectly: comprise pipe heat exchanger 2, the top of pipe heat exchanger 2 is provided with the nozzle a18 of downward spray, the bottom of pipe heat exchanger 2 is provided with header tank a6, in header tank a6, be provided with water compensating valve a7, immersible pump 8, immersible pump 8 in header tank a6 is connected with nozzle a18 by water pipe, in machine unit shell corresponding to exhaust outlet a4, is provided with exhaust blower a3, between exhaust blower a3 and header tank a6, is provided with water fender a5.
Directly the structure of section is: comprise filler 13, filler 13 tops are provided with the nozzle b14 of downward spray, the top of nozzle b14 is provided with water fender b15, the top of water fender b15 is provided with exhaust blower b16, on machine unit shell corresponding to exhaust blower b16, be provided with exhaust outlet b17, filler 13 bottoms are provided with header tank b9, in header tank b9, be provided with water compensating valve b10 and hydrotreater 11, hydrotreater 11 in header tank b9 is connected with nozzle b14 by waterway pipe, is also provided with water pump 12 and user's end 19 on waterway pipe.
As shown in Figure 2, many heat exchanger tubes in pipe heat exchanger 2 are horizontally disposed with, consistent with a wind approach axis, and the heat exchanger tube being remained unchanged by the heat exchanger tube increasing successively from top to bottom and length is separated by and is formed by stacking.The heat exchanger tube of pipe heat exchanger 2 is elliptical tube, and heat exchanger tube interpolation helix, pipe are coated with the aluminium foil of being made up of hygroscopic materials.Adopt pipe heat exchanger 2, can realize air etc. but clammy.
Filler 13 adopts multistage filler, is from top to bottom formed by stacking.
Water in header tank b9 is processed through hydrotreater 11, prevents from sending into the waterway pipe blockage phenomenon of user's end 19.
Fig. 3 is the processing procedure psychrometric chart of handpiece Water Chilling Units of the present invention, and the cooling precooling of indirect evaporation new wind for the present invention makes air step by step etc. but clammy.There is step by step the wet exchange of heat in processed air and water step by step, makes water temperature cooling step by step, and final water temperature approaches the dew-point temperature of its air.
The course of work of handpiece Water Chilling Units of the present invention:
Outdoor air, by fresh wind port 1, is sent in pipe heat exchanger 2.A processed air part enters into outside the heat exchanger tube of pipe heat exchanger 2 after by precooling, it is wet channel (service aisle) side, there is the wet exchange of heat as auxiliary air (control air) and the moisture film of heat exchanger tube wall surface, take away the heat of inner air tube (primary air).Auxiliary air (control air) drains into atmosphere by exhaust blower a3 through exhaust outlet a4 by water fender a5 again.Another part air, by the heat exchanger tube of pipe heat exchanger 2, conducts heat by tube wall as primary air (output air), make its etc. but clammy, be sent in direct evaporative cooler.By step by step etc. but clammy, the processed air of sending into direct evaporative cooler from top to bottom temperature reduces successively, and processed its temperature approaches of air in lower side is in its dew-point temperature.Water passes through filler 13 surfaces in direct evaporative cooler successively by Action of Gravity Field, and the air processed through pipe heat exchanger 2 on filler 13 surfaces, the wet exchange of heat occurs with water step by step, and water temperature from top to bottom reduces step by step, finally approaches its air dew point temperature.Finally, air drains into atmosphere by exhaust blower b16 through exhaust outlet b17 by water fender b15.
Water in header tank a6, evenly sprays the heat exchanger tube outer wall to pipe heat exchanger 2 by immersible pump 8 through nozzle a18.When the water level in header tank a6 is during lower than certain value, water compensating valve a7 opens, automatic water supplement.
By the backwater of user's end 19, evenly spray to filler 13 by nozzle b14, occur step by step after the wet exchange of heat with air, by header tank, b9 collects, then processes by hydrotreater 11, sends into user's end 19 by water pump 12.When the water level of header tank b9 is during lower than certain value, water compensating valve b10 opens, automatic water supplement.
Claims (1)
1. dew point formula evaporative cooling handpiece Water Chilling Units, it is characterized in that, comprise the fresh wind port (1) arranging on machine unit shell sidewall, fresh wind port (1) below is provided with exhaust outlet a (4), indirect section and direct section two-stage cooling section in machine unit shell, are arranged side by side, the structure of described indirect section is: comprise pipe heat exchanger (2), the top of pipe heat exchanger (2) is provided with the nozzle a (18) of downward spray, the bottom of pipe heat exchanger (2) is provided with header tank a (6), in header tank a (6), be provided with water compensating valve a (7), immersible pump (8), immersible pump (8) in header tank a (6) is connected with nozzle a (18) by water pipe, between exhaust outlet a (4) and indirect section, be provided with exhaust blower a (3) and water fender a (5), the structure of described direct section is: comprise filler (13), filler (13) top is provided with the nozzle b (14) of downward spray, the top of nozzle b (14) is provided with water fender b (15), the top of water fender b (15) is provided with exhaust blower b (16), on the machine unit shell of exhaust blower b (16) correspondence, be provided with exhaust outlet b (17), filler (13) bottom is provided with header tank b (9), in header tank b (9), be provided with water compensating valve b (10) and hydrotreater (11), hydrotreater (11) in header tank b (9) is connected with nozzle b (14) by waterway pipe, on waterway pipe, be also provided with water pump (12) and user's end (19),
Described pipe heat exchanger (2) includes many horizontally disposed heat exchanger tubes, consistent with a wind approach axis, and structure is that heat exchanger tube that the heat exchanger tube that from top to bottom increases successively and length remain unchanged is separated by and is formed by stacking;
Heat exchanger tube in described pipe heat exchanger (2) is elliptical tube, and the structure of heat exchanger tube is: heat exchanger tube interpolation helix, heat exchanger tube are coated with the aluminium foil of being made up of hygroscopic materials;
Described filler (13) adopts multistage filler, is from top to bottom formed by stacking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210245257.4A CN102767878B (en) | 2012-07-16 | 2012-07-16 | Dew-point evaporative cooling water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210245257.4A CN102767878B (en) | 2012-07-16 | 2012-07-16 | Dew-point evaporative cooling water chilling unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102767878A CN102767878A (en) | 2012-11-07 |
| CN102767878B true CN102767878B (en) | 2014-11-26 |
Family
ID=47095374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210245257.4A Expired - Fee Related CN102767878B (en) | 2012-07-16 | 2012-07-16 | Dew-point evaporative cooling water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102767878B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765792A (en) * | 2017-02-17 | 2017-05-31 | 广州大学 | Split evaporation type cold wind fan device and its refrigerating method |
| CN106931569A (en) * | 2017-02-23 | 2017-07-07 | 西安工程大学 | The compound cold supply system of handpiece Water Chilling Units is cooled down based on water cold storage and dew point indirect evaporative |
| CN107023911B (en) * | 2017-03-07 | 2019-10-25 | 西安工程大学 | Photovoltaic coil pipe-dew point indirectly with the compound water cooler of direct evaporating-cooling |
| CN107044695A (en) * | 2017-04-01 | 2017-08-15 | 西安工程大学 | Staggered form dew point evaporation cooling high-temperature handpiece Water Chilling Units |
| CN107166582B (en) * | 2017-05-11 | 2019-05-24 | 珠海格力电器股份有限公司 | air conditioner cooling water system, air conditioner system and air conditioner cooling water system control method |
| CN107560035A (en) * | 2017-08-23 | 2018-01-09 | 西安工程大学 | External screw thread standpipe dew point indirect evaporative cooling air processor group based on ground source |
| CN108332453B (en) * | 2018-02-07 | 2020-01-03 | 东北大学 | Composite evaporative condenser |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201203217Y (en) * | 2008-04-14 | 2009-03-04 | 西安工程大学 | Four-level evaporative cooling combined air conditioner machine unit |
| CN202092258U (en) * | 2011-05-23 | 2011-12-28 | 西安工程大学 | Two-stage evaporation cooling air conditioner unit combining plate-type indirect mode and inclined-type spraying filler direct mode |
| CN202675510U (en) * | 2012-07-16 | 2013-01-16 | 西安工程大学 | Water chilling unit by adopting tubular dew point evaporative cooling |
-
2012
- 2012-07-16 CN CN201210245257.4A patent/CN102767878B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201203217Y (en) * | 2008-04-14 | 2009-03-04 | 西安工程大学 | Four-level evaporative cooling combined air conditioner machine unit |
| CN202092258U (en) * | 2011-05-23 | 2011-12-28 | 西安工程大学 | Two-stage evaporation cooling air conditioner unit combining plate-type indirect mode and inclined-type spraying filler direct mode |
| CN202675510U (en) * | 2012-07-16 | 2013-01-16 | 西安工程大学 | Water chilling unit by adopting tubular dew point evaporative cooling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102767878A (en) | 2012-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102767878B (en) | Dew-point evaporative cooling water chilling unit | |
| CN203116197U (en) | Two-level precooling evaporative cooling water chilling unit | |
| CN201909494U (en) | Air-cooled type condenser spraying cooling device of central air-conditioning heat pump unit | |
| CN106052418A (en) | On-off switchable air cooling and water cooling composite cooling tower for air cooling radiator and operation mode | |
| CN202546965U (en) | Water chilling unit capable of using vertical-type dew-point indirect three-stage evaporative cooling | |
| CN102679480B (en) | Dew point indirect evaporation cooler with plate-tube combined structure | |
| CN102635909A (en) | Evaporative cooling air conditioning unit provided with inertia filter and suitable for northwest districts | |
| CN203177690U (en) | Novel efficient water-saving air cooler | |
| CN202675510U (en) | Water chilling unit by adopting tubular dew point evaporative cooling | |
| CN102679478A (en) | All-fresh-air type household evaporative-cooling air conditioner window unit | |
| CN203385116U (en) | Heat-pipe thermal control type air conditioning system combining evaporative cooling and mechanical refrigeration | |
| CN202613621U (en) | Evaporative cooling air conditioner with inertial filter | |
| CN202403358U (en) | Indirect-direct evaporative cooling air conditioning unit | |
| CN104006468A (en) | Cool storage air conditioning device based on combination of evaporative cooling and water curtain outer wall | |
| WO2018000774A1 (en) | Opening and closing switchable air-cooled cool water-type machine cooling tower for air-cooled radiator and operating mode of same | |
| CN202546944U (en) | Brand new air type evaporative cooling household window machine | |
| CN105157447A (en) | Closed heat insulation air cooler | |
| CN202955905U (en) | Water chilling unit combined by air cooler and evaporative type condenser | |
| CN204678572U (en) | Based on evaporative cooling and heat pipe, heat pump united air-conditioner set | |
| CN202613630U (en) | Plate and tube type dew-point indirect evaporative cooler | |
| CN203464798U (en) | Light closed cooling tower | |
| CN209410061U (en) | A kind of air-conditioner set used for rail vehicle with spray cooling device | |
| CN207230806U (en) | Split-type air conditioner is directly driven with reference to the photovoltaic of coil pipe and direct evaporating-cooling technology | |
| CN202836308U (en) | Low fin tube and evaporation-cooled device adopting the same | |
| CN111306671A (en) | Evaporative condenser combined with gravity heat pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20150716 |
|
| EXPY | Termination of patent right or utility model |