CN202546965U - Water chilling unit capable of using vertical-type dew-point indirect three-stage evaporative cooling - Google Patents

Water chilling unit capable of using vertical-type dew-point indirect three-stage evaporative cooling Download PDF

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Publication number
CN202546965U
CN202546965U CN2012201034603U CN201220103460U CN202546965U CN 202546965 U CN202546965 U CN 202546965U CN 2012201034603 U CN2012201034603 U CN 2012201034603U CN 201220103460 U CN201220103460 U CN 201220103460U CN 202546965 U CN202546965 U CN 202546965U
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China
Prior art keywords
evaporative cooler
cooler
point indirect
dew point
water
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Expired - Fee Related
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CN2012201034603U
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Chinese (zh)
Inventor
黄翔
郝航
白延斌
孙铁柱
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Xian Polytechnic University
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Xian Polytechnic University
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Priority to CN2012201034603U priority Critical patent/CN202546965U/en
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Abstract

The utility model discloses a water chilling unit capable of using vertical-type dew-point indirect three-stage evaporative cooling, which is composed of a high-temperature air cooler, a dew-point indirect evaporative cooler, a direct evaporative cooler in a combination manner, wherein the upper part of the dew-point indirect evaporative cooler is upwards provided with the high-temperature air cooler and a primary filter; the direct evaporative cooler, the high-temperature air cooler and the dew-point indirect evaporative cooler are arranged in parallel; the lower parts of the dew-point indirect evaporative cooler and the direct evaporative cooler are provided with a water case b and a water case a respectively; the water case b is connected with a spraying device on the upper part of a heat exchange pipe through a pipeline; and the water case a is connected with the spraying devices arranged on terminal of an air conditioner, a fresh air handling unit, the high-temperature air cooler and the direct evaporative cooler orderly. According to the utility model, the water chilling unit completely utilizes an advantage of abundant air energy in the northwest district of China and optimizes a structure; therefore, the water chilling unit can be applied to the northwest district preferably and also can reflect energy conservation efficiency.

Description

Adopt the indirect three grades of transpiration-cooled handpiece Water Chilling Units of vertical dew point
Technical field
The utility model belongs to the air conditioner refrigerating technical field, is specifically related to a kind of three grades of evaporative cooling handpiece Water Chilling Units that are composited by high temperature air cooler, dew point indirect evaporative cooler and direct evaporative cooler.
Background technology
The Northwest is owing to exist the weather conditions that dry-bulb temperature is high, humidity is low; When existing evaporative cooling handpiece Water Chilling Units is used in the Northwest; Perfect not enough on the comfortableness that satisfies human body requires, can not produce the lower cold water of temperature, in practical application, receive some restrictions.
Summary of the invention
The purpose of the utility model is to propose the indirect three grades of transpiration-cooled handpiece Water Chilling Units of the vertical dew point of a kind of employing; Make full use of the cooling that dry air can be used for most places in summer; Adopt the two-stage indirect evaporation cooler; Wherein dew point indirect evaporative cooler is adopted in the second level, can further reduce the pairing wet-bulb temperature of dry-bulb temperature, than one-level indirect evaporation cooler better effects if before; Its leaving water temperature of cold water of producing for direct evaporative cooler is lower, and the comfort level of human body increases greatly when cooling.
The technical scheme that the utility model adopted is, adopts the indirect three grades of transpiration-cooled handpiece Water Chilling Units of vertical dew point, is composited by high temperature air cooler, dew point indirect evaporative cooler, direct evaporative cooler; The top of dew point indirect evaporative cooler is from being provided with high temperature air cooler and roughing efficiency air filter down; Direct evaporative cooler and high temperature air cooler and dew point indirect evaporative cooler are arranged in juxtaposition; The top of direct evaporative cooler is provided with blower fan a; The corresponding machine unit shell wall of dew point indirect evaporative cooler sidepiece is provided with blower fan b; The bottom of dew point indirect evaporative cooler and direct evaporative cooler is respectively arranged with water tank b, water tank a; Water tank b is connected with the spray equipment that is arranged in heat exchanger tube top through pipeline, and the pipeline that water tank b is connected with spray equipment is provided with water pump b and valve b, and water tank a is connected with the spray equipment of air conditioning terminal, new blower fan group, high temperature air cooler and direct evaporative cooler through pipeline successively; The pipeline that water tank a is connected with air conditioning terminal is provided with water pump a, and the pipeline that new blower fan group is connected with the high temperature air cooler is provided with valve a.
The characteristics of the utility model also are,
The vertical layout of heat exchanger tube in the dew point indirect evaporative cooler wherein, the lower end of heat exchanger tube shortens the closer to direct evaporative cooler successively, has a plurality of through holes on the every heat exchanger tube tube wall.
The beneficial effect of the utility model handpiece Water Chilling Units is:
1) this handpiece Water Chilling Units adopts vertical dew point indirect evaporative cooler, and primary air passes through in heat exchanger tube, and auxiliary air derives from the part primary air that comes out from the tube wall aperture, and shower water flows down along the pipe outer wall; Vertical dew point indirect evaporative cooler below is designed with certain inclination angle, helps carry out of primary air in the wet exchange of third level direct evaporative cooler heat;
2) dew-point temperature that the air themperature of handling through this handpiece Water Chilling Units is approached outdoor air causes the leaving water temperature of handpiece Water Chilling Units lower, the handpiece Water Chilling Units better effects if;
3) this handpiece Water Chilling Units integral arrangement is reasonable, compact.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model handpiece Water Chilling Units;
Fig. 2 is the cutaway view of heat exchanger tube in the vertical dew point indirect evaporative cooler in the utility model handpiece Water Chilling Units.
Among the figure, 1. high temperature air cooler, 2. roughing efficiency air filter, 3. blower fan a, 4. direct evaporative cooler, 5. water tank a; 6. water pump a, 7. air conditioning terminal, 8. water tank b, 9. new blower fan group, 10. valve a; 11. water pump b, 12. valve b, 13. dew point indirect evaporative coolers, 14. blower fan b, 15. heat exchanger tubes.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is elaborated.
Fig. 1 is the structural representation of a kind of embodiment of the utility model, adopts the structure of the indirect three grades of evaporative cooling handpiece Water Chilling Units of vertical dew point, is composited by high temperature air cooler 1, dew point indirect evaporative cooler 13, direct evaporative cooler 4.
The top of dew point indirect evaporative cooler 13 is from being provided with high temperature air cooler 1 and roughing efficiency air filter 2 down; Direct evaporative cooler 4 is arranged in juxtaposition with high temperature air cooler 1 and dew point indirect evaporative cooler 13; The top of direct evaporative cooler 4 is provided with blower fan a3; On the corresponding machine unit shell wall of dew point indirect evaporative cooler 13 sidepieces blower fan b14 is set; The bottom of dew point indirect evaporative cooler 13 and direct evaporative cooler 4 is provided with water tank b8, water tank a5 respectively; Water tank b8 is connected with the spray equipment that is arranged in heat exchanger tube 15 tops through pipeline, on water tank b8 and the pipeline that spray equipment is connected water pump b11 and valve b12 is set, and water tank a5 is connected with the spray equipment of direct evaporative cooler 4 with air conditioning terminal 7, new blower fan group 9, high temperature air cooler 1 through pipeline successively; On water tank a5 and the pipeline that air conditioning terminal 7 is connected water pump a6 is set, on new blower fan group 9 and the pipeline that high temperature air cooler 1 is connected valve a10 is set.
Heat exchanger tube 15 vertical layouts in the dew point indirect evaporative cooler 13, the lower end of heat exchanger tube 15 shortens the closer to direct evaporative cooler 4 successively, has a plurality of through holes on every heat exchanger tube 15 tube walls.
Adopt the indirect three grades of evaporative cooling handpiece Water Chilling Units of vertical dew point, high temperature air cooler, dew point indirect evaporative cooler and direct evaporative cooler are set, new wind gets into handpiece Water Chilling Units; Earlier through roughing efficiency air filter; Carry out precooling through the high temperature air cooler again, the intact air of precooling treatment gets into indirect section of the second level---dew point indirect evaporative cooler, and it adopts vertical installation; Primary air passes through in managing; Auxiliary air is the part primary air that derives to come out from the tube wall aperture, by exhaust blower auxiliary air is discharged to the outside, and shower water flows down along the pipe outer wall; The primary air that comes out in manage is last to carry out heat with direct evaporative cooler and wets and exchange, and obtains final cold water water outlet and supplies to air conditioning terminal and carry out cooling.
Outdoor new wind gets into handpiece Water Chilling Units earlier through roughing efficiency air filter 2; Carry out precooling treatment through high temperature air cooler 1 again; Further etc. but clammy through dew point indirect evaporative cooler 13 then, carry out through filler again that heat is wet to be exchanged at last with direct evaporative cooler 4, produce required cold water; This handpiece Water Chilling Units is provided with two independently water tank a5 and water tank b8; The final high temperature cold water of in water tank a5, being produced supplies to air conditioning terminal 7 through water pump a6 through pipe network; Its backwater passes to the aerial cooler in the new blower fan group 9 earlier; Get back to the water inlet of high temperature air cooler 1 through valve a10 through pipe network again, its delivery port is connected to direct evaporative cooler 4 through webmaster and sprays; Another one water tank b8 sprays to dew point indirect evaporative cooler 13 through water pump b11 and valve b12, and water is got back to water tank b8 after the spray.
The concrete course of work is:
The water system course of work:
When moving this evaporative cooling handpiece Water Chilling Units, open water pump a6, water pump b11; Valve a10, valve b12, this handpiece Water Chilling Units is provided with two independently water tank a5 and water tank b8; Therefore water system is divided into two parts operation; The cold water that this handpiece Water Chilling Units of one of which is produced supplies to air conditioning terminal 7 through water pump a6 through pipe network in water tank a5, its backwater passes to new blower fan group 9 earlier, gets back to the water inlet of high temperature air cooler 1 again through pipe network through valve a10; Its delivery port is connected to direct evaporative cooler 4 through webmaster and sprays repetitive cycling; Water tank b8 process water pump b11 in its two this handpiece Water Chilling Units and valve b12 get back to dew point indirect evaporative cooler 13 and spray repetitive cycling.
The wind system course of work:
During this handpiece Water Chilling Units operation; Outdoor new wind gets into unit and filters through 2 pairs of outdoor new wind of initial effect filtering section earlier; Then through high temperature air cooler 1, processing procedure such as is at the clammy temperature that but reduces, and the heat exchanger tube 15 that the air of handling from high temperature air cooler 1 enters into dew point indirect evaporative cooler 13 is as primary air; Be with holes above the tube wall; Also have the effect of blower fan b14, the part primary airs in the heat exchanger tube 15 can laterally skim over as auxiliary air through the tube wall aperture, carry out through spray and auxiliary air from the water of water tank b8 that heat is wet to be exchanged; Further reduce the temperature of primary air in the pipe, and the auxiliary air that laterally skims over pipe is drained into outside the unit by blower fan b14; Then arrive the third level---the direct evaporative cooler 4 of this handpiece Water Chilling Units owing to the effect of blower fan a3 through the primary air of dew point indirect evaporative cooler 13; Cold water spray from 1 outlet of high temperature air cooler carries out the wet exchange of heat with it; Processing procedure is an equal-enthalpy humidifying, is finally drained into outside the unit by blower fan a3.
The handpiece Water Chilling Units of the utility model adopts the indirect section of two-stage to add direct section of one-level, and the cold water of being produced can satisfy the cooling demand; Wherein use vertical dew point indirect evaporative cooler; General indirect evaporation cooler, the temperature drop scope is then bigger, helps the realization of lower leaving water temperature.This handpiece Water Chilling Units has only been used two typhoon machines and two water pumps, and its energy-saving effect has also obtained embodiment.
The handpiece Water Chilling Units of the utility model makes full use of the advantage that NORTHWEST CHINA area dry air can enrich, and the optimization to some handpiece Water Chilling Units before can better be applied to the Northwest, and actual using value is arranged, and aspect energy-conservation, also embodies to some extent.

Claims (2)

1. adopt the indirect three grades of transpiration-cooled handpiece Water Chilling Units of vertical dew point, it is characterized in that, be composited by high temperature air cooler (1), dew point indirect evaporative cooler (13), direct evaporative cooler (4); The top of dew point indirect evaporative cooler (13) is from being provided with high temperature air cooler (1) and roughing efficiency air filter (2) down; Direct evaporative cooler (4) is arranged in juxtaposition with high temperature air cooler (1) and dew point indirect evaporative cooler (13); The top of direct evaporative cooler (4) is provided with blower fan a (3); The corresponding machine unit shell wall of dew point indirect evaporative cooler (13) sidepiece is provided with blower fan b (14); The bottom of dew point indirect evaporative cooler (13) and direct evaporative cooler (4) is respectively arranged with water tank b (8), water tank a (5); Said water tank b (8) is connected with the spray equipment that is arranged in heat exchanger tube (15) top through pipeline; The pipeline that water tank b (8) is connected with spray equipment is provided with water pump b (11) and valve b (12); Water tank a (5) is connected with the spray equipment of direct evaporative cooler (4) with air conditioning terminal (7), new blower fan group (9), high temperature air cooler (1) through pipeline successively, and the pipeline that water tank a (5) is connected with air conditioning terminal (7) is provided with water pump a (6), and the pipeline that new blower fan group (9) is connected with high temperature air cooler (1) is provided with valve a (10).
2. according to the described handpiece Water Chilling Units of claim 1; It is characterized in that; The vertical layout of heat exchanger tube (15) in the described dew point indirect evaporative cooler (13), the lower end of heat exchanger tube (15) shortens the closer to direct evaporative cooler (4) successively, has a plurality of through holes on every heat exchanger tube (15) tube wall.
CN2012201034603U 2012-03-19 2012-03-19 Water chilling unit capable of using vertical-type dew-point indirect three-stage evaporative cooling Expired - Fee Related CN202546965U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062857A (en) * 2013-01-29 2013-04-24 西安工程大学 Closed-type evaporative cooling-water chilling unit utilizing capillary tubes
CN103307675A (en) * 2013-05-30 2013-09-18 西安工程大学 Press-in energy-saving closed evaporative cooling chiller
CN104110741A (en) * 2014-07-28 2014-10-22 郭舜成 Air conditioner based on multi-cycle evaporative cooling technology
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
CN107490110A (en) * 2017-08-09 2017-12-19 西安工程大学 Multistage standpipe dew point evaporation cooling handpiece Water Chilling Units
CN108603674A (en) * 2015-11-05 2018-09-28 新科劲力私人有限公司 Multimember air handling system configuration, control and operation
CN110779124A (en) * 2019-09-29 2020-02-11 河北秦淮数据有限公司 Multi-stage refrigeration system for data center machine room

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062857B (en) * 2013-01-29 2015-05-20 西安工程大学 Closed-type evaporative cooling-water chilling unit utilizing capillary tubes
CN103062857A (en) * 2013-01-29 2013-04-24 西安工程大学 Closed-type evaporative cooling-water chilling unit utilizing capillary tubes
CN103307675A (en) * 2013-05-30 2013-09-18 西安工程大学 Press-in energy-saving closed evaporative cooling chiller
CN103307675B (en) * 2013-05-30 2016-05-25 西安工程大学 Forced energy-conservation enclosed evaporative cooling handpiece Water Chilling Units
CN104110741A (en) * 2014-07-28 2014-10-22 郭舜成 Air conditioner based on multi-cycle evaporative cooling technology
CN104110741B (en) * 2014-07-28 2017-02-15 郭舜成 Air conditioner based on multi-cycle evaporative cooling technology
US10928090B2 (en) 2015-11-05 2021-02-23 Singapore Technologies Dynamics Pte Ltd Multi-component air-conditioning systems configuration, control and operation
CN108603674B (en) * 2015-11-05 2021-04-27 新科劲力私人有限公司 Multi-component air conditioning system configuration, control and operation
CN108603674A (en) * 2015-11-05 2018-09-28 新科劲力私人有限公司 Multimember air handling system configuration, control and operation
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
CN107490110A (en) * 2017-08-09 2017-12-19 西安工程大学 Multistage standpipe dew point evaporation cooling handpiece Water Chilling Units
CN110779124A (en) * 2019-09-29 2020-02-11 河北秦淮数据有限公司 Multi-stage refrigeration system for data center machine room

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121121

Termination date: 20130319