CN203687243U - Cooling-tower free cooling and refrigerant direct expansion air conditioning unit - Google Patents
Cooling-tower free cooling and refrigerant direct expansion air conditioning unit Download PDFInfo
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- CN203687243U CN203687243U CN201320737151.6U CN201320737151U CN203687243U CN 203687243 U CN203687243 U CN 203687243U CN 201320737151 U CN201320737151 U CN 201320737151U CN 203687243 U CN203687243 U CN 203687243U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/54—Free-cooling systems
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Abstract
The utility model discloses a cooling-tower free cooling and refrigerant direct expansion air conditioning unit. The air conditioning unit consists of an air handling unit, a cooling tower and a pipe network connected between the air handling unit and the cooling tower. In the air conditioning unit disclosed by the utility model, outdoor fresh air is pre-cooled on the basis of the conventional mechanical refrigeration, so that the dry-and-wet-bulb temperature of the air is lowered, a part of mechanical refrigeration load is borne, and the mechanical refrigerating efficiency is increased. A refrigerant is expanded directly, so that a chilled water system is omitted, and the air conditioning unit has the advantages of environmental friendliness, high efficiency and energy saving performance.
Description
Technical field
The utility model belongs to air conditioner technical field, is specifically related to a kind of free cold supply of cooling column and cold-producing medium direct-expansion-type air-conditioning unit.
Background technology
Along with the fast development of China's economy and social progress, energy resource consumption problem becomes increasingly conspicuous, and current air-conditioning unit ubiquity refrigerating efficiency is low, the problem that energy consumption consumption is large.
Utility model content
The purpose of this utility model is to provide a kind of free cold supply of cooling column and cold-producing medium direct-expansion-type air-conditioning unit, adopts the method for cooling water desuperheating coil to air cooling-down, has born part mechanical refrigeration load, has improved refrigerating efficiency, saves the energy.
The technical scheme that the utility model adopts is, free cold supply of cooling column and cold-producing medium direct-expansion-type air-conditioning unit, by air-treatment unit, cooling tower and between the pipe network that connects form.
Feature of the present utility model is also,
The structure of air-treatment unit: comprise the fresh wind port and the air outlet that arrange respectively in machine unit shell opposing sidewalls, the direction entering by air in machine unit shell is disposed with roughing efficiency air filter, coil pipe, evaporimeter and pressure fan, and evaporimeter connects and composes closed-loop path successively by the compressor outside pipeline and machine unit shell, condenser and choke valve.
The structure of cooling tower: comprise the water tank, filler, nozzle, water fender and the exhaust blower that set gradually from top to bottom in machine unit shell, water tank is connected with nozzle by pipeline, water circulating pump, machine unit shell bottom is connected with cooling water supply pipe and CWR respectively, cooling water supply pipe is connected with the water inlet of condenser, the water inlet of coil pipe respectively, and CWR is connected with the water inlet of evaporimeter, the delivery port of coil pipe respectively.
The beneficial effects of the utility model are:
1. outdoor new wind filters through roughing efficiency air filter, after coil pipe precooling, then by the cooling workspace of sending into of evaporimeter dehumidification.This unit, on traditional mechanical refrigeration basis, has a precooling effect to outdoor new wind, and the wet and dry bulb temperature of air is reduced, and has born part mechanical refrigeration load, has improved mechanical refrigeration efficiency.
2. this free cold supply of cooling column and cold-producing medium direct-expansion-type air-conditioning unit, a cooling water part for cooling tower is for coil pipe precooled air, and a part, for condenser heat exchange, has effectively realized free cold supply, and cooling water is fully used.
3. this air-conditioning unit cold-producing medium adopts direct expansion form, has saved chilled-water system, directly in unit, realizes cold-producing medium evaporation endothermic, air is obtained cooling, has improved evaporating pressure and the temperature of refrigeration, has realized energy saving effect.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model free cold supply of cooling column and cold-producing medium direct-expansion-type air-conditioning unit.
In figure, 1. fresh wind port, 2. roughing efficiency air filter, 3. coil pipe, 4. evaporimeter, 5. condenser, 6. compressor, 7. choke valve, 8. pressure fan, 9. cooling water supply pipe, 10. CWR, 11. triple valves, 12. water tanks, 13. water circulating pumps, 14. fillers, 15. nozzles, 16. water fenders, 17. exhaust blowers, 18. air outlets.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Free cold supply of cooling column of the present utility model and cold-producing medium direct-expansion-type air-conditioning unit, its relative position structure as shown in Figure 1, by air-treatment unit, cooling tower and between the pipe network that connects form.
The structure of air-treatment unit: comprise the fresh wind port 1 and the air outlet 8 that arrange respectively in machine unit shell opposing sidewalls, the direction entering by air in machine unit shell is disposed with roughing efficiency air filter 2, coil pipe 3, evaporimeter 4 and pressure fan 8, and evaporimeter 4 connects and composes closed-loop path successively by the compressor 6 outside pipeline and machine unit shell, condenser 5 and choke valve 7.
The structure of cooling tower: comprise the water tank 12, filler 14, nozzle 15, water fender 16 and the exhaust blower 17 that set gradually from top to bottom in machine unit shell, water tank 12 is connected with nozzle 15 by pipeline, water circulating pump 13, machine unit shell bottom is connected with cooling water supply pipe 9 and CWR 10 respectively, cooling water supply pipe 9 is connected with the water inlet of condenser 5, the water inlet of coil pipe 3 respectively, and CWR 10 is connected with the water inlet of evaporimeter 4, the delivery port of coil pipe 3 respectively.
Cooling water is after cooling tower cooling, and a part is for coil pipe 3 precooled airs, and a part is for condenser 5 heat exchange.This unit is directly placed in evaporimeter 4 in unit, cold-producing medium from evaporimeter 4 out, enter condenser 5 by compressor 6, after cooling in condenser 5, liquefaction, by choke valve 7, gets back to cooling-air in evaporimeter 4, circulate with this.Processed air first filters through roughing efficiency air filter 2, after coil pipe 3 precoolings, processes through evaporimeter 4 coolings, finally sends into working region by pressure fan 8.
Roughing efficiency air filter 2 filters air, has improved the efficiency of damp and hot exchanging of processed air and coil pipe 3 and evaporimeter 4, meanwhile, has improved heat exchanger service life.
The course of work of the utility model air-conditioning unit:
New wind enters through fresh wind port 1, through roughing efficiency air filter 2, dust is filtered, and after coil pipe 3 precooling coolings, enters evaporimeter 4 and carries out the wet exchange of heat, and the air after the wet exchange of heat is sent into working region by pressure fan 8.
Meanwhile, through the cooling recirculated water of cooling tower, a part is for coil pipe 3 precooled airs, and a part is for condenser 5 condensing heat-exchanges, and the recirculated water that absorbs heat enters the wet exchange of cooling tower heat, circulates with this.
Claims (2)
1. free cold supply of cooling column and cold-producing medium direct-expansion-type air-conditioning unit, is characterized in that, by air-treatment unit, cooling tower and between the pipe network that connects form;
The structure of described air-treatment unit: comprise the fresh wind port (1) and the air outlet (8) that arrange respectively in machine unit shell opposing sidewalls, the direction entering by air in machine unit shell is disposed with roughing efficiency air filter (2), coil pipe (3), evaporimeter (4) and pressure fan (8), and described evaporimeter (4) connects and composes closed-loop path successively by the compressor outside pipeline and machine unit shell (6), condenser (5) and choke valve (7).
2. free cold supply of cooling column according to claim 1 and cold-producing medium direct-expansion-type air-conditioning unit, it is characterized in that, the structure of described cooling tower: comprise the water tank (12) setting gradually from top to bottom in machine unit shell, filler (14), nozzle (15), water fender (16) and exhaust blower (17), described water tank (12) passes through pipeline, water circulating pump (13) is connected with nozzle (15), machine unit shell bottom is connected with cooling water supply pipe (9) and CWR (10) respectively, described cooling water supply pipe (9) respectively with the water inlet of condenser (5), the water inlet of coil pipe (3) is connected, described CWR (10) respectively with the water inlet of evaporimeter (4), the delivery port of coil pipe (3) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737151.6U CN203687243U (en) | 2013-11-18 | 2013-11-18 | Cooling-tower free cooling and refrigerant direct expansion air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737151.6U CN203687243U (en) | 2013-11-18 | 2013-11-18 | Cooling-tower free cooling and refrigerant direct expansion air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203687243U true CN203687243U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320737151.6U Expired - Fee Related CN203687243U (en) | 2013-11-18 | 2013-11-18 | Cooling-tower free cooling and refrigerant direct expansion air conditioning unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN203687243U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214903A (en) * | 2014-09-29 | 2014-12-17 | 中建三局第二建设工程有限责任公司 | Air conditioner cooling tower group control method based on semi-closed space |
| CN104456795A (en) * | 2014-12-03 | 2015-03-25 | 郭祥 | Centralized efficient cooling and energy-saving system for data center |
| CN104593854A (en) * | 2015-01-23 | 2015-05-06 | 江苏金曼科技有限责任公司 | Novel electroplating solution cooling treatment method |
| CN105254154A (en) * | 2015-11-24 | 2016-01-20 | 江苏菲德俐环保科技有限公司 | Biochemical sludge reduction integrated equipment |
| CN106765762A (en) * | 2016-12-23 | 2017-05-31 | 新疆绿色使者空气环境技术有限公司 | Water-saving whole year operation air-conditioning device |
| CN106969536A (en) * | 2017-03-31 | 2017-07-21 | 浙江陆特能源科技股份有限公司 | The three-source integrated source pump of ground aqueous vapor |
| CN107990444A (en) * | 2017-11-29 | 2018-05-04 | 北京百度网讯科技有限公司 | Refrigeration system |
| CN109798717A (en) * | 2019-01-25 | 2019-05-24 | 东南大学 | A kind of cooling system that realizing high accuracy temperature control and its control method |
| CN110243034A (en) * | 2019-05-14 | 2019-09-17 | 南京工程学院 | A kind of energy-saving all-fresh air air-conditioning device based on energy tower |
| CN111089374A (en) * | 2019-12-19 | 2020-05-01 | 广东恒净建设工程有限公司 | Energy-saving and environment-friendly industrial air conditioner |
-
2013
- 2013-11-18 CN CN201320737151.6U patent/CN203687243U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214903A (en) * | 2014-09-29 | 2014-12-17 | 中建三局第二建设工程有限责任公司 | Air conditioner cooling tower group control method based on semi-closed space |
| CN104214903B (en) * | 2014-09-29 | 2017-10-13 | 中建三局第二建设工程有限责任公司 | Air conditioner cooling tower group control method based on half-closed space |
| CN104456795A (en) * | 2014-12-03 | 2015-03-25 | 郭祥 | Centralized efficient cooling and energy-saving system for data center |
| CN104456795B (en) * | 2014-12-03 | 2017-04-19 | 郭祥 | Centralized efficient cooling and energy-saving system for data center |
| CN104593854A (en) * | 2015-01-23 | 2015-05-06 | 江苏金曼科技有限责任公司 | Novel electroplating solution cooling treatment method |
| CN105254154A (en) * | 2015-11-24 | 2016-01-20 | 江苏菲德俐环保科技有限公司 | Biochemical sludge reduction integrated equipment |
| CN106765762B (en) * | 2016-12-23 | 2022-08-16 | 新疆绿色使者空气环境技术有限公司 | Water-saving all-year operation air conditioner |
| CN106765762A (en) * | 2016-12-23 | 2017-05-31 | 新疆绿色使者空气环境技术有限公司 | Water-saving whole year operation air-conditioning device |
| CN106969536A (en) * | 2017-03-31 | 2017-07-21 | 浙江陆特能源科技股份有限公司 | The three-source integrated source pump of ground aqueous vapor |
| CN107990444A (en) * | 2017-11-29 | 2018-05-04 | 北京百度网讯科技有限公司 | Refrigeration system |
| CN109798717A (en) * | 2019-01-25 | 2019-05-24 | 东南大学 | A kind of cooling system that realizing high accuracy temperature control and its control method |
| CN110243034A (en) * | 2019-05-14 | 2019-09-17 | 南京工程学院 | A kind of energy-saving all-fresh air air-conditioning device based on energy tower |
| CN111089374A (en) * | 2019-12-19 | 2020-05-01 | 广东恒净建设工程有限公司 | Energy-saving and environment-friendly industrial air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140702 Termination date: 20141118 |
|
| EXPY | Termination of patent right or utility model |