CN201476189U - Plate-fin dew-point indirect packing direct two-grade air-conditioning unit - Google Patents
Plate-fin dew-point indirect packing direct two-grade air-conditioning unit Download PDFInfo
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- CN201476189U CN201476189U CN2009203065854U CN200920306585U CN201476189U CN 201476189 U CN201476189 U CN 201476189U CN 2009203065854 U CN2009203065854 U CN 2009203065854U CN 200920306585 U CN200920306585 U CN 200920306585U CN 201476189 U CN201476189 U CN 201476189U
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- indirect evaporation
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- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The utility model relates to a plate-fin dew-point indirect packing direct two-grade air-conditioning unit composed of a filtering net, a plate-fin dew-point indirect steaming cooler, a packing direct steaming cooler and a blower which are arranged in turn according to the air flow direction. The plate-fin dew-point indirect steaming cooler is composed of a pre-cooling section and a cooling section. A twice blower is in a side blowing type. A water baffle is arranged before a twice air outlet of the plate-fin dew-point indirect steaming cooler. The pre-cooling section, the cooling section and the upper part of the packing direct steaming cooler are respectively provided with each spraying additional pipe. The spraying additional pipes are communicated with each reservoir through pipes and water pumps. Beginning with improving the indirect section structure and the heat changing efficiency, air conveyed into rooms after processed by the plate-fin dew-point indirect packing direct two-grade air-conditioning unit is closed to zero degree, so the blowing effect is largely improved, and the source is saved.
Description
Technical field
The utility model belongs to the air conditioner refrigerating technical field, relates to the air-treatment unit that a kind of indirect evaporation cooler combines with direct evaporative cooler, is specifically related to the direct two-stage air-conditioning of the indirect filled formula of a kind of plate-fin dew point unit.
Background technology
In recent years, along with the raising of people's living standard, people are more and more higher to indoor air quality requirement.Air-conditioning is developed rapidly as the important means of thermal comfort in the conditioning chamber.But along with the appearance of energy crisis, the energy consumption problem of traditional air-conditioning more and more is subjected to people's attention, and evaporative cooling has complied with just that the trend of energy-conserving and environment-protective arises.
Directly evaporative cooling is subjected to the restriction of conditions such as weather and region, air temperature drop after the processing is limited, humidity is bigger than normal, the use of higher occasion is difficult to meet the demands, therefore prior art generally is to adopt direct evaporative cooler and indirect evaporation cooler are used, earlier wet coolings such as air, and then carry out direct evaporative cooling, make the air themperature after the processing be lower than wet-bulb temperature.But existing this version exists the not high defective of heat exchange efficiency.
Summary of the invention
The purpose of this utility model provides the direct double flash evaporation cooling of the indirect filled formula of a kind of plate-fin dew point air-conditioning unit, from optimizing heat exchanger structure, seek to improve the method for heat exchange efficiency, avoid the deficiency of traditional indirect evaporation cooler, improved the air-supply effect of traditional Evaporative Cooling Air Conditioning greatly.
The technical scheme that the utility model adopted is, the direct double flash evaporation cooling of the indirect filled formula of a kind of plate-fin dew point air-conditioning unit, comprise housing, be disposed with screen pack according to the air current flow direction in the housing, indirect evaporation cooler, direct evaporative cooler and pressure fan, the case top position corresponding with indirect evaporation cooler is provided with the auxiliary air blower fan, indirect evaporation cooler adopts the plate-fin dew point indirect evaporation cooler, direct evaporative cooler adopts the material filling type direct evaporative cooler, the plate-fin dew point indirect evaporation cooler is made up of for two sections indirect evaporation cooler precooling zone and indirect evaporation cooler cooling section, the auxiliary air blower fan is the side air-out form, before the secondary wind air outlet of plate-fin dew point indirect evaporation cooler, be provided with water fender, plate-fin dew point indirect evaporation cooler and material filling type direct evaporative cooler bottom are provided with separate cistern, the indirect evaporation cooler precooling zone, the top of indirect evaporation cooler cooling section and material filling type direct evaporative cooler is respectively arranged with spray arm separately, on the spray arm a plurality of nozzles are installed, the spray arm passes through pipeline, water pump is connected with separately cistern.
Characteristics of the present utility model also are,
Nozzle wherein adopts target formula impinging stream nozzle.
The utility model air-conditioning unit is a core with the plate-fin dew point indirect evaporation cooler, the plate-fin dew point indirect evaporation cooler is combined with the material filling type devaporizer, improved the air-supply effect greatly, compared, had the following advantages with traditional Evaporative Cooling Air Conditioning unit:
1) indirect evaporation cooler of the present utility model is the plate-fin dew point indirect evaporation cooler, is made of for two sections precooling zone and cooling section.Compare with traditional indirect evaporation cooler, the temperature drop amplitude after handling through indirect two-stage is big, can make the air themperature of handling through unit near dew-point temperature, and heat exchange efficiency improves greatly.
What 2) the indirect section of the utility model nozzle used is target formula impinging stream nozzle, can form the umbrella moisture film, has improved the uniformity of water distribution greatly, has strengthened the heat exchange effect of air and water film surface, has improved heat exchange efficiency.
3) the indirect water fender that is provided with of section heat exchanger top can effectively prevent the problem of auxiliary air air draft band water.And overfire air fan adopts side air-out, can avoid unit when outdoor placement, and overfire air fan is corroded by outdoor weather effect, has prolonged the service life of overfire air fan.
Description of drawings
Fig. 1 is the structural representation of the utility model air-conditioning unit.
Among the figure, 1. filter, 2. plate-fin dew point indirect evaporation cooler, 3. material filling type direct evaporative cooler, 4. pressure fan, 5. water fender, 6. auxiliary air blower fan, 7. nozzle, 8. water pump, 9. cistern, 10. spray arm, 11. the indirect evaporation cooler precooling zone, 12. indirect evaporation cooler cooling sections, 13. housings.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The structure of the utility model air-conditioning unit, as shown in Figure 1.Comprise housing 13, be disposed with screen pack 1, plate-fin dew point indirect evaporation cooler 2, material filling type direct evaporative cooler 3 and pressure fan 4 by the air current flow direction in the housing.Plate-fin dew point indirect evaporation cooler 2 and material filling type direct evaporative cooler 3 belows are provided with mutually independently cistern 9.Indirect evaporation cooler is made up of indirect evaporation cooler precooling zone 11 and indirect evaporation cooler cooling section 12 two-stages, be provided with indirect section spray arm 10 and a plurality of nozzle 7 that is fixed on the spray arm 10 in an indirect section heat exchanger upper horizontal, these nozzles can adopt target formula impinging stream nozzle.Material filling type direct evaporative cooler 3 places also are provided with spray arm 10 and water pump 8, and spray arm 10 links to each other with cistern 9 with water pump 8 by water pipe.Secondary wind exit is provided with water fender 5, and housing 13 tops and water fender 5 corresponding positions are provided with the auxiliary air blower fan 6 of side air-out.
Traditional indirect evaporation cooler utilization be that the difference of air dry-bulb temperature and wet-bulb temperature is as driving gesture, the utility model air-conditioning unit adopts the plate-fin dew point indirect evaporation cooler, it drives gesture is the dry-bulb temperature of air and the difference of dew-point temperature, on the other hand, section adopts the series connection of two-stage plate-fin dew point indirect evaporative cooler indirectly, improve indirect section heat exchange efficiency greatly, made that the air after unit is handled is warm eventually near dew-point temperature, improved the quality of wind pushing air greatly.
The course of work of the utility model air-conditioning unit:
After opening the air-conditioning unit, pending outdoor air enters into the precooling zone 11 of plate-fin dew point indirect evaporation cooler 2 through filter screen 1, by water pump 8 and water pipe the water in the cistern 9 is got in the spray arm 10, primary air is after the even moisture film that precooling zone 11 places and target formula impinging stream nozzle 7 gush out carries out abundant heat exchange, and moving on enters plate-fin dew point indirect evaporation cooler cooling section 12.Auxiliary air is by behind the water fender 5, drain into outdoor via auxiliary air blower fan 6, the Cryogenic air after two-stage is handled indirectly and the moisture film on material filling type direct evaporative cooler 3 surfaces carry out heat exchange, and final pressure fan 4 is sending into air-conditioned room near the air of dew-point temperature.
Air-conditioning unit of the present utility model is considered from the angle of structure, has proposed the double flash evaporation cooling air-conditioning unit based on dew point plate type indirect evaporation cooler, and it drives gesture is no longer to be the difference of wet and dry bulb temperature, but the difference of dry-bulb temperature and dew-point temperature.Therefore can make air themperature after the processing near dew-point temperature, can improve evaporative cooling efficient greatly like this, energy savings satisfies different use occasions.
Claims (2)
1. the air-conditioning unit is cooled off in the direct double flash evaporation of the indirect filled formula of plate-fin dew point, comprise housing (13), be disposed with screen pack (1) according to the air current flow direction in the housing (13), indirect evaporation cooler, direct evaporative cooler and pressure fan (4), the position corresponding with indirect evaporation cooler, housing (13) top is provided with auxiliary air blower fan (6), it is characterized in that, described indirect evaporation cooler adopts plate-fin dew point indirect evaporation cooler (2), described direct evaporative cooler adopts material filling type direct evaporative cooler (3), plate-fin dew point indirect evaporation cooler (2) is made up of for (12) two sections indirect evaporation cooler precooling zone (11) and indirect evaporation cooler cooling section, described auxiliary air blower fan (6) is the side air-out form, before the secondary wind air outlet of plate-fin dew point indirect evaporation cooler (2), be provided with water fender (5), plate-fin dew point indirect evaporation cooler (2) and material filling type direct evaporative cooler (3) bottom are provided with separate cistern (9), indirect evaporation cooler precooling zone (11), the top of indirect evaporation cooler cooling section (12) and material filling type direct evaporative cooler (3) is respectively arranged with spray arm (10) separately, on the spray arm (10) a plurality of nozzles (7) are installed, spray arm (10) passes through pipeline, water pump (8) is connected with separately cistern (9).
2. according to the described air-conditioning unit of claim 1, it is characterized in that described nozzle (7) adopts target formula impinging stream nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203065854U CN201476189U (en) | 2009-07-21 | 2009-07-21 | Plate-fin dew-point indirect packing direct two-grade air-conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203065854U CN201476189U (en) | 2009-07-21 | 2009-07-21 | Plate-fin dew-point indirect packing direct two-grade air-conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201476189U true CN201476189U (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203065854U Expired - Fee Related CN201476189U (en) | 2009-07-21 | 2009-07-21 | Plate-fin dew-point indirect packing direct two-grade air-conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201476189U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692056A (en) * | 2012-05-28 | 2012-09-26 | 西安工程大学 | Modularized evaporative cooling air conditioner adopting dew point indirect and direct evaporative coolers |
| CN109915967A (en) * | 2019-02-20 | 2019-06-21 | 西安工程大学 | A kind of plate wing-dew point two-stage indirect evaporating-cooling cold wind cold water integration unit |
-
2009
- 2009-07-21 CN CN2009203065854U patent/CN201476189U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692056A (en) * | 2012-05-28 | 2012-09-26 | 西安工程大学 | Modularized evaporative cooling air conditioner adopting dew point indirect and direct evaporative coolers |
| CN109915967A (en) * | 2019-02-20 | 2019-06-21 | 西安工程大学 | A kind of plate wing-dew point two-stage indirect evaporating-cooling cold wind cold water integration unit |
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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: 20100519 Termination date: 20140721 |
|
| EXPY | Termination of patent right or utility model |