CN102767878A - Dew-point evaporative cooling water chilling unit - Google Patents
Dew-point evaporative cooling water chilling unit Download PDFInfo
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- CN102767878A CN102767878A CN2012102452574A CN201210245257A CN102767878A CN 102767878 A CN102767878 A CN 102767878A CN 2012102452574 A CN2012102452574 A CN 2012102452574A CN 201210245257 A CN201210245257 A CN 201210245257A CN 102767878 A CN102767878 A CN 102767878A
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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
The Evaporative Cooling Air Conditioning technology is to utilize the dry-bulb temperature of regenerative resource dry air in the natural environment and dew-point temperature poor, obtains a kind of environmental protection of cold, efficiently and the comparatively economic type of cooling through the wet exchange of the heat between water and the 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 uses in the NORTHWEST CHINA area to some extent.
Utilize evaporative cooling to produce the high temperature cold water principal mode direct-type (open type cooling tower), indirect type (closed cooling tower), indirect-direct evaporative cooling combined type cold water unit are arranged.Wherein directly the cold water water temperature produced out of evaporative cooling handpiece Water Chilling Units, indirect evaporation cooling handpiece Water Chilling Units levels off to the wet-bulb temperature of outdoor air; The cold water water temperature produced out of evaporative cooling combined type cold water unit equals inferior wet-bulb temperature indirectly-directly; Just between the wet-bulb temperature and dew-point temperature of outdoor air, it is to satisfy the requirement of producing cold water temperature under the big situation of humidity.Simultaneously, existing most of air-conditioning unit exists also that air drag loss is big, energy consumption is high and takes up an area of a series of problems such as the space is big.
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 cooling off step by step that the wet exchange of heat takes place step by step for air, air and water, water temperature reduces step by step, finally reach the dew-point temperature that water temperature is approached air.
The technical scheme that the present invention adopted is that dew point formula evaporative cooling handpiece Water Chilling Units comprises the fresh wind port that is provided with on the machine unit shell sidewall; The fresh wind port below is provided with exhaust outlet a; Be arranged side by side indirect section and direct section two-stage cooling section in the machine unit shell, 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; Be provided with water compensating valve a, immersible pump in the header tank a, the immersible pump in the header tank a is connected with nozzle a through water pipe, is provided with exhaust blower a and water fender a between exhaust outlet a and the indirect section; Directly the structure of section is: comprise filler, filler top is provided with the nozzle b of downward spray, and the top of nozzle b is provided with water fender b; The top of water fender b is provided with exhaust blower b; The machine unit shell that exhaust blower b is corresponding is provided with exhaust outlet b, and the filler bottom is provided with header tank b, is provided with water compensating valve b and hydrotreater in the header tank b; Hydrotreater in the header tank b is connected with nozzle b through waterway pipe, and it is terminal also to be provided with water pump and user on the waterway pipe.
Characteristics of the present invention also are,
Pipe heat exchanger includes many horizontally disposed heat exchanger tubes, and is consistent with a wind approach axis, and the heat exchanger tube that structure remains unchanged for the heat exchanger tube that from top to bottom increases successively and length is separated by and is formed by stacking.
Heat exchanger tube in the pipe heat exchanger is an elliptical tube, and the structure of heat exchanger tube is: slotting helix, heat exchanger tube are coated with the aluminium foil of being processed by hygroscopic materials in the heat exchanger tube.
Filler adopts multistage filler, from top to bottom is formed by stacking.
Compare with existing evaporative cooling handpiece Water Chilling Units, handpiece Water Chilling Units of the present invention has following characteristics:
1) structure to the pipe type heat transfer pipe is optimized design, and air is handled step by step, and final implementation part is processed air and approaches its dew-point temperature.Adopt multistage filler, the wet exchange of heat takes place with the air of being handled step by step from top to bottom in water step by step, finally makes water temperature approach the dew-point temperature of air;
2) adopt the pipe type heat transfer pipe, resistance is littler, is difficult for stopping up, and makes power of fan littler, and the complete machine energy consumption is lower, and is more energy-conservation;
3) whole unit will be superimposed compound with directly indirectly, and structure is more compact, has saved the occupation of land space.
Description of 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 the 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.
Among the 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. hydrotreater, 12. water pumps, 13. fillers, 14. nozzle b, 15. water fender b; 16 exhaust blower b, 17, exhaust outlet b, 18 nozzle a, 19 users are terminal.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is elaborated.
Dew point formula evaporative cooling handpiece Water Chilling Units of the present invention; Its structure is as shown in Figure 1, includes machine unit shell, and 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 the 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, and the bottom of pipe heat exchanger 2 is provided with header tank a6; Be provided with water compensating valve a7, immersible pump 8 in the header tank a6; Immersible pump 8 in the header tank a6 is connected with nozzle a18 through water pipe, is provided with exhaust blower a3 in the machine unit shell of exhaust outlet a4 correspondence, is provided with water fender a5 between exhaust blower a3 and the header tank a6.
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, and the top of water fender b15 is provided with exhaust blower b16, and the machine unit shell that exhaust blower b16 is corresponding is provided with exhaust outlet b17; Filler 13 bottoms are provided with header tank b9; Be provided with water compensating valve b10 and hydrotreater 11 in the header tank b9, the hydrotreater 11 in the header tank b9 is connected with nozzle b14 through waterway pipe, also is provided with water pump 12 and user terminal 19 on the waterway pipe.
As shown in Figure 2, many heat exchanger tubes in the pipe heat exchanger 2 are horizontally disposed with, and are consistent with a wind approach axis, and the heat exchanger tube that is remained unchanged heat exchanger tube that increases 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 an elliptical tube, and slotting helix, pipe are coated with the aluminium foil of being processed by hygroscopic materials in the heat exchanger tube.Adopt pipe heat exchanger 2, can realize air etc. but clammy.
Water among the header tank b9 is handled through hydrotreater 11, prevents to send into user terminal 19 waterway pipe blockage phenomenon.
Fig. 3 is the processing procedure psychrometric chart of handpiece Water Chilling Units of the present invention, and the present invention is with the new wind of indirect evaporation cooling precooling, and it is but clammy that air is waited step by step.The wet exchange of heat takes place in air that was processed step by step and water step by step, and water temperature is cooled off 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 is sent in the pipe heat exchanger 2 through fresh wind port 1.Being processed an air part enters into outside the heat exchanger tube of pipe heat exchanger 2 after by precooling; It is wet channel (service aisle) side; As the moisture film generation heat wet exchange of auxiliary air (control air), take away the heat of inner air tube (primary air) with the heat exchanger tube wall surface.Auxiliary air (control air) drains into atmosphere by exhaust blower a3 through exhaust outlet a4 through water fender a5 again.Another part air conducts heat through tube wall as primary air (output air) through in the heat exchanger tube of pipe heat exchanger 2, make its etc. but clammy, be sent in the direct evaporative cooler.But clammy through waiting step by step, the air that was processed of sending into direct evaporative cooler from top to bottom temperature reduces successively, and its temperature approaches of the air that the lower side was processed is in its dew-point temperature.Water passes through filler 13 surfaces in the direct evaporative cooler successively through the gravity effect, and the air that was processed through pipe heat exchanger 2 on filler 13 surfaces the wet exchange of heat takes place 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 through water fender b15.
Water among the 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 among the header tank a6 was lower than certain value, water compensating valve a7 opened, automatic water supplement.
Backwater through user terminal 19 evenly sprays to filler 13 through nozzle b14, the wet exchange of heat takes place step by step with air after, collect by header tank b9, handle through hydrotreater 11 again, send into user terminal 19 by water pump 12.When the water level of header tank b9 was lower than certain value, water compensating valve b10 opened, automatic water supplement.
Claims (4)
1. dew point formula evaporative cooling handpiece Water Chilling Units; It is characterized in that; Comprise the fresh wind port (1) that is provided with on the machine unit shell sidewall, fresh wind port (1) below is provided with exhaust outlet a (4), has been arranged side by side indirect section and direct section two-stage cooling section in the machine unit shell; Said indirect section structure is: comprise pipe heat exchanger (2); The top of pipe heat exchanger (2) is provided with the nozzle a (18) of downward spray, and the bottom of pipe heat exchanger (2) is provided with header tank a (6), is provided with water compensating valve a (7), immersible pump (8) in the header tank a (6); Immersible pump (8) in the header tank a (6) is connected with nozzle a (18) through water pipe, is provided with exhaust blower a (3) and water fender a (5) between exhaust outlet a (4) and the indirect section; Said direct section structure 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), and the top of water fender b (15) is provided with exhaust blower b (16), and the machine unit shell that exhaust blower b (16) is corresponding is provided with exhaust outlet b (17); Filler (13) bottom is provided with header tank b (9); Be provided with water compensating valve b (10) and hydrotreater (11) in the header tank b (9), the hydrotreater (11) in the header tank b (9) is connected with nozzle b (14) through waterway pipe, also is provided with water pump (12) and user terminal (19) on the waterway pipe.
2. dew point formula evaporative cooling handpiece Water Chilling Units according to claim 1; It is characterized in that; Described pipe heat exchanger (2) includes many horizontally disposed heat exchanger tubes; Consistent with a wind approach axis, the heat exchanger tube that structure remains unchanged for the heat exchanger tube that from top to bottom increases successively and length is separated by and is formed by stacking.
3. dew point formula evaporative cooling handpiece Water Chilling Units according to claim 2; It is characterized in that; Heat exchanger tube in the described pipe heat exchanger (2) is an elliptical tube, and the structure of heat exchanger tube is: slotting helix, heat exchanger tube are coated with the aluminium foil of being processed by hygroscopic materials in the heat exchanger tube.
4. dew point formula evaporative cooling handpiece Water Chilling Units according to claim 1 is characterized in that said filler (13) adopts multistage filler, is formed by stacking from top to bottom.
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 |
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| Publication Number | Publication Date |
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| CN102767878A true CN102767878A (en) | 2012-11-07 |
| CN102767878B CN102767878B (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210245257.4A Expired - Fee Related CN102767878B (en) | 2012-07-16 | 2012-07-16 | Dew-point evaporative cooling water chilling unit |
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Cited By (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 |
| CN107023911A (en) * | 2017-03-07 | 2017-08-08 | 西安工程大学 | Photovoltaic coil pipe dew point is combined handpiece Water Chilling Units with direct evaporating-cooling indirectly |
| 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 |
| CN107166582A (en) * | 2017-05-11 | 2017-09-15 | 珠海格力电器股份有限公司 | Air conditioning cooling water system, air-conditioning system and air conditioning 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 |
| CN108332453A (en) * | 2018-02-07 | 2018-07-27 | 东北大学 | A kind of compound evaporative condenser |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Cited By (10)
| 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 |
| CN107023911A (en) * | 2017-03-07 | 2017-08-08 | 西安工程大学 | Photovoltaic coil pipe dew point is combined handpiece Water Chilling Units with direct evaporating-cooling indirectly |
| 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 |
| CN107166582A (en) * | 2017-05-11 | 2017-09-15 | 珠海格力电器股份有限公司 | Air conditioning cooling water system, air-conditioning system and air conditioning cooling water system control method |
| CN107166582B (en) * | 2017-05-11 | 2019-05-24 | 珠海格力电器股份有限公司 | Air conditioning cooling water system, air-conditioning system and air conditioning 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 |
| CN108332453A (en) * | 2018-02-07 | 2018-07-27 | 东北大学 | A kind of compound evaporative condenser |
| CN108332453B (en) * | 2018-02-07 | 2020-01-03 | 东北大学 | Composite evaporative condenser |
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| Publication number | Publication date |
|---|---|
| CN102767878B (en) | 2014-11-26 |
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