CN203215898U - Cross-flow plate-fin indirect evaporative cooling outdoor unit - Google Patents
Cross-flow plate-fin indirect evaporative cooling outdoor unit Download PDFInfo
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- CN203215898U CN203215898U CN 201320185090 CN201320185090U CN203215898U CN 203215898 U CN203215898 U CN 203215898U CN 201320185090 CN201320185090 CN 201320185090 CN 201320185090 U CN201320185090 U CN 201320185090U CN 203215898 U CN203215898 U CN 203215898U
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- evaporative cooling
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- dew point
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Abstract
The utility model discloses a cross-flow plate-fin indirect evaporative cooling outdoor unit which comprises a unit shell. Two opposite lateral walls of the unit shell are provided with an air inlet and an air supply outlet a; a filter, a cross-flow plate-fin indirect evaporative cooler and a direct evaporative cooler with an evaporative cooling plate tube are sequentially arranged in the unit shell in the entering direction of fresh air; a water blocking plate a and an exhaust blower b are sequentially arranged above the cross-flow plate-fin indirect evaporative cooler; an exhaust opening a is formed in the top wall of the unit shell corresponding to the exhaust blower a; a water blocking plate b and an exhaust blower b are sequentially arranged above the direct evaporative cooler with the evaporative cooling plate tube. The cross-flow plate-fin indirect evaporative cooling outdoor unit is a closed system, can simultaneously generate cold air and cold water and is simple in structure and high in cooling effect.
Description
Technical field
The utility model belongs to the operation of air conditioning systems technical field, is specifically related to a kind of off-premises station of distributary plate fin type indirect evaporative cooling.
Background technology
The Evaporative Cooling Air Conditioning technology is to utilize the principle of water and the wet exchange of air heat, prepares cold wind and cold water.At present, the evaporation cooling high-temperature handpiece Water Chilling Units of output cold water is produced 16～18 ℃ high temperature cold water, can be passed into new blower fan group or terminal dry type coil pipe etc., to satisfy the air-conditioning demand by indirect evaporation cooling or indirect-direct evaporative cooling mostly; The unit of output cold wind also is that the water evaporation has absorbed the heat of air, produces cold wind, sends into indoor satisfying the demands by indirect evaporation cooling or indirect-directly evaporative cooling mostly.But, at present fewer for the research of the Evaporative Cooling Air Conditioning of output cold water and cold wind simultaneously, and the water outlet of Evaporative Cooling Air Conditioning is relevant with out door climatic parameter with leaving air temp, through indirect evaporation cooler, the temperature of empty G﹠W all levels off to the wet-bulb temperature of intake air, and its temperature drop is limited.In addition, the efficient of indirect evaporation cooling also is subjected to the influence of other factors, and as dry area, northwest, the dust storm of outdoor air is big, limited through the sand and dust that filter filters, after long-term the use, can deposit a large amount of fouling products on the wall of indirect evaporation cooler, they are attached to the surface of heat exchanger, certainly will influence efficiency of heat exchanger, cause the temperature of the empty G﹠W produced not reach predetermined requirement, and the high temperature cold water of producing also can be polluted possible blocking pipe.
Dew point indirect evaporative cooler can realize that multi-stage indirect evaporative cools, and utilizes the wet-bulb temperature that constantly reduces auxiliary air to promote the wet exchange of heat, and the temperature of empty G﹠W is reduced to the dew-point temperature of convergence intake air.Leaving water temperature through the dew point indirect evaporative cooling is lower than traditional indirect evaporation cooling.Adopt the evaporative cooling coil pipe, the recirculated water of producing does not contact with shower water, has avoided the pollution of cold water.Adopt distributary plate-fin dew point indirect evaporation cooler can effectively reduce the temperature of air-out, again in conjunction with the evaporative cooling coil pipe, can reduce cold water temperature, avoid water to pollute simultaneously.
The utility model content
The purpose of this utility model is to provide a kind of distributary plate fin type indirect evaporative cooling off-premises station, not only simple in structure, cooling-down effect is high, output cold wind and cold water simultaneously.
The technical scheme that the utility model adopts is, a kind of distributary plate fin type indirect evaporative cooling off-premises station, include machine unit shell, be respectively arranged with air inlet on relative two sidewalls of machine unit shell, air outlet a, be disposed with filter by new wind approach axis in the machine unit shell, the direct evaporative cooler of distributary plate-fin dew point indirect evaporation cooler and band evaporative cooling coil pipe, the top of distributary plate-fin dew point indirect evaporation cooler is disposed with water fender a and exhaust blower a, the machine unit shell roof of exhaust blower a correspondence is provided with exhaust outlet a, the top of the direct evaporative cooler of band evaporative cooling coil pipe is disposed with water fender b and exhaust blower b, and the machine unit shell roof of exhaust blower b correspondence is provided with exhaust outlet b.
Characteristics of the present utility model also are,
Distributary plate-fin dew point indirect evaporation cooler, include distributary plate-fin dew point indirect heat exchanger, the top of distributary plate-fin dew point indirect heat exchanger is provided with water-locator a, the bottom of distributary plate-fin dew point indirect heat exchanger is provided with open type header tank a, be respectively arranged with water circulating pump a, hydrotreater a and water compensating valve a in the open type header tank a, water-locator a is connected with hydrotreater a with water circulating pump a successively by water pipe.
Distributary plate-fin dew point indirect heat exchanger, include a plurality of heat exchange units that be arranged in parallel, be provided with demarcation strip between every adjacent two heat exchange units, form wet channel and dry passage between demarcation strip and the heat exchange unit at interval, be arranged with the multirow through hole on each heat exchange unit in parallel, every row is from top to bottom, the number of openings of a wind upstream end reduces gradually, on the demarcation strip with wind approach axis, be provided with delegation's through hole from top to bottom along diagonal.
The direct evaporative cooler of band evaporative cooling coil pipe, include filler, the top of filler is provided with water-locator b, the bottom of filler is disposed with evaporative cooling coil pipe, air channel and open type header tank b, the air channel is provided with water fender c near machine unit shell sidewall air outlet a place, be provided with pressure fan between water fender c and the air outlet a, be respectively arranged with water compensating valve b, hydrotreater b and water circulating pump b in the open type header tank b, water-locator b is connected with water circulating pump b with hydrotreater b successively by feed pipe.
The water inlet end of evaporative cooling coil pipe is connected with return pipe, and the water side of evaporative cooling coil pipe is connected with feed pipe.
The outer facility of distributary plate fin type indirect evaporative cooling chamber of the present utility model have following characteristics:
1) off-premises station of the present utility model adopts distributary plate-fin dew point indirect evaporation cooler, utilize the primary air of a part to enter wet channel, constantly reduce the wet-bulb temperature of auxiliary air, thereby reduce the temperature of primary air, make the cold wind of output level off to the dew-point temperature of intake air, reach inferior wet-bulb temperature.
2) air of " inferior wet bulb " temperature of producing through distributary plate-fin dew point devaporizer of off-premises station of the present utility model, a part carry out between evaporative cooling coil pipe and filler that heat is wet to be exchanged, thereby produce the more cold water of low temperature.
3) off-premises station of the present utility model utilizes indirect evaporation cooling and directly evaporative cooling, and output cold water and cold wind for indoor end provides high temperature cold water and new wind, need not to arrange in addition new blower fan group simultaneously.
4) adopt the evaporative cooling coil pipe in the off-premises station of the present utility model, the outer shower water of pipe with pipe in recirculated water directly do not contact, overcome the Northwest's dust storm, dust is big, can not cause the pollution of recirculated water, avoids blocking pipe.
What 5) adopt in the off-premises station of the present utility model is closed Water System, and the air-conditioning system pump head is low, only need overcome the closed Water System loop resistance, irrelevant with depth of building, carries power consumption little, more energy-conservation.
6) adopt two open type header tank branches to be arranged in the off-premises station of the present utility model, the open type header tank of the open type header tank of distributary plate-fin dew point indirect evaporation cooler, circulating water device, water-locator and evaporative cooling coil pipe, circulating water device, water-locator branch are arranged, and it is separate, avoided because distributary plate-fin dew point indirect evaporation cooler spray recirculated water is different with evaporative cooling coil pipe spray recirculated water water temperature, the two mixes mutually, influences the high temperature cold water leaving water temperature.
Description of drawings
Fig. 1 is distributary plate fin type indirect evaporative cooling off-premises station structural representation of the present utility model;
Fig. 2 is distributary plate-fin dew point indirect evaporation cooler structural representation in the distributary plate fin type indirect evaporative cooling off-premises station of the present utility model;
Fig. 3 is the flow chart that distributary plate-fin dew point indirect evaporation cooler carries out air-treatment in the distributary plate fin type indirect evaporative cooling off-premises station of the present utility model;
Fig. 4 utilizes the outer mechanism of distributary plate fin type indirect evaporative cooling chamber of the present utility model to become the structural representation of air-conditioning system.
Among the figure, 1. air inlet, 2. filter, 3. distributary plate-fin dew point indirect heat exchanger, 4. water-locator a, 5. water fender a, 6. exhaust blower a, 7. exhaust blower b, 8. water fender b, 9. water-locator b, 10. filler, 11. evaporative cooling coil pipes, 12. pressure fan, 13. air outlet a, 14. water circulating pump a, 15. hydrotreater a, 16. open type header tank a, 17. water compensating valve a, 18. water compensating valve b, 19. open type header tank b, 20. hydrotreater b, 21. water circulating pump b, 22. dry type wind dish, 23. air outlet b, 24. exhaust outlet a, 25 exhaust outlet b, 26. return pipes, 27. feed pipes, 28. wet channel, 29. dry passages, 30. ajutages, 31. heat exchange unit, 32. demarcation strips, 33. water fender c.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Distributary plate fin type indirect evaporative cooling off-premises station of the present utility model, its structure as shown in Figure 1, include machine unit shell, be respectively arranged with air inlet 1 on relative two sidewalls of machine unit shell, air outlet a13, be disposed with filter 2 by new wind approach axis in the machine unit shell, the direct evaporative cooler of distributary plate-fin dew point indirect evaporation cooler and band evaporative cooling coil pipe, the top of distributary plate-fin dew point indirect evaporation cooler is disposed with water fender a5 and exhaust blower a6, the machine unit shell roof of exhaust blower a6 correspondence is provided with exhaust outlet a24, the top of the direct evaporative cooler of band evaporative cooling coil pipe is disposed with water fender b8 and exhaust blower b7, and the machine unit shell roof of exhaust blower b7 correspondence is provided with exhaust outlet b25.
Distributary plate-fin dew point indirect evaporation cooler, its structure as shown in Figure 1, include distributary plate-fin dew point indirect heat exchanger 3, the top of distributary plate-fin dew point indirect heat exchanger 3 is provided with water-locator a4, the bottom of distributary plate-fin dew point indirect heat exchanger 3 is provided with open type header tank a16, be respectively arranged with water circulating pump a14, hydrotreater a15 and water compensating valve a17 in the open type header tank a16, water-locator a4 is connected with hydrotreater a15 with water circulating pump a14 successively by water pipe.
Distributary plate-fin dew point indirect heat exchanger 3, its structure includes a plurality of heat exchange units that be arranged in parallel 31, as shown in Figure 3 as shown in Figure 2, between every adjacent two heat exchange units 31 demarcation strip 32 is set, forms wet channel 28 and dry passage 29 between demarcation strip 32 and the heat exchange unit 31 at interval.The multirow through hole that be arranged in parallel on each heat exchange unit 31, every row are from top to bottom, the number of openings of a wind upstream end reduces gradually; On the demarcation strip 32 with wind approach axis, be provided with delegation's through hole from top to bottom along diagonal.The direct evaporative cooler of band evaporative cooling coil pipe, its structure as shown in Figure 1, include filler 10, the top of filler 10 is provided with water-locator b9, the bottom of filler 10 is disposed with evaporative cooling coil pipe 11, air channel and open type header tank b19, the air channel is provided with water fender c33 near the air outlet a13 place on the machine unit shell sidewall, be provided with pressure fan 12 between water fender c33 and the air outlet a13, be respectively arranged with water compensating valve b18 in the open type header tank b19, hydrotreater b20 and water circulating pump b21, water-locator b9 is connected with water circulating pump b21 with hydrotreater b20 successively by feed pipe.
The water inlet end of evaporative cooling coil pipe 11 is connected with return pipe 26, and the water side of evaporative cooling coil pipe 11 is connected with feed pipe 27.
The air-conditioning system that adopts the outer mechanism of distributary plate fin type indirect evaporative cooling chamber of the present utility model to become, its structure as shown in Figure 4, the air outlet a13 of the off-premises station of enclosed distributary plate wing dew point indirect evaporative cooling is connected with indoor air outlet b23 by ajutage 30, and the evaporative cooling coil pipe 11 in the off-premises station of enclosed distributary plate wing dew point indirect evaporative cooling passes through the interior dry type wind dish 22 of return pipe 26 and feed pipe 27 and off-premises station respectively and is connected.
The primary air level enters distributary plate wing dew point indirect heat exchanger 3, portion of air enters wet channel through the aperture and becomes auxiliary air, auxiliary air carries out the wet exchange of heat with the moisture films that the water that sprays from water-locator a4 forms on distributary plate wing dew point indirect heat exchanger 3 surfaces, air themperature reduces, simultaneously auxiliary air passes to the primary air of heat exchanger dry passage with cold, reduces the temperature of primary air.Direction along distributary plate wing dew point indirect heat exchanger 3 apertures, the primary air that part temperature reduces has constantly become auxiliary air, the wet-bulb temperature of the auxiliary air of wet channel 28 constantly is reduced like this, after the wet exchange of the primary air of dry passage 29 heat, temperature also reduces one by one, dew-point temperature that can the convergence heat exchanger entrance.
The heat of the moisture film that evaporative cooling coil pipe 11 utilizes the air of precooling and water-locator b9 spray recirculated water to form carrying out evaporative cooling coil pipe 11 outside wets and exchanges, the wet-bulb temperature of the water temperature convergence precooled air of evaporative cooling coil pipe 11 spray recirculated waters, evaporative cooling coil pipe 11 spray recirculated waters carry out heat exchange by the interior recirculated water of evaporative cooling coil pipe 11 tube walls and pipe, thereby produce the high temperature cold water between outdoor air dew-point temperature and wet-bulb temperature.The filler 10 that evaporative cooling coil pipe 11 tops arrange can increase area and the time of air and the wet exchange of hydro-thermal, and the shower water temperature that arrives evaporative cooling coil pipe 11 surfaces is decreased, thereby makes the circulating water temperature in evaporative cooling coil pipe 11 pipes lower.
The course of work of distributary plate fin type indirect evaporative cooling off-premises station of the present utility model is as follows:
Outdoor new wind or indoor return air enter in the distributary plate-fin dew point indirect heat exchanger 3 of distributary plate-fin dew point indirect evaporation cooler through air inlet 1 and filter 2, primary air enters dry passage 29, through the aperture of distributary plate-fin dew point indirect heat exchanger 3, the wet channel 28 that a part enters into distributary plate-fin dew point indirect heat exchanger 3 becomes auxiliary air; From distributary plate-fin dew point indirect heat exchanger 3 horizontal directions, the primary air that enters distributary plate-fin dew point indirect heat exchanger 3 dry passages 29 is maximum, quilts etc. are but clammy, wait wet cooled air to enter into the direct evaporative cooler of the band evaporative cooling coil pipe on right side; Become moisture films that the recirculated water of auxiliary air and water-locator a4 spray forms on distributary plate-fin dew point indirect heat exchanger 3 surfaces through the air in aperture and carry out that heat is wet to be exchanged, temperature reduces, cold is passed to the primary air of dry passage 29 by distributary plate-fin dew point indirect heat exchanger 3 walls, discharge outdoor through water fender a5 and exhaust blower a6, shower water falls in the open type header tank a16 of below setting at last, through water pipe, hydrotreater a15 and water circulating pump a14, a4 is connected with water-locator, form loop, open type header tank a16 can carry out moisturizing by water compensating valve a17.
Enter the air of the temperature reduction on machine unit shell right side, a part is directly delivered to indoor room by water fender c33, pressure fan 12, air outlet a13, ajutage 30 and air outlet b23; Indoor backwater sprays on filler 10 through water-locator b9, fall the surface of evaporative cooling coil pipe 11 again, form even moisture film, moisture film carries out the wet exchange of heat on another part air and the evaporative cooling coil pipe 11, take away the shower water heat, shower water passes to the interior recirculated water of evaporative cooling coil pipe 11 pipes with this part cold, recirculated water is carried back indoor dry type wind dish 22 by pipeline, the air that heats up continues upwards, the wet exchange of moisture film heat with filler 10 surfaces, backwater in the fore-cooling room, outdoor through water fender b8 and exhaust blower b7 discharge, shower water falls into below open type header tank b19 at last, through hydrotreater b20 and water circulating pump b21, b9 is connected with water-locator, forms loop, and open type header tank b19 can carry out moisturizing by water compensating valve b18.
Distributary plate fin type indirect evaporative cooling off-premises station of the present utility model, distributary plate-fin dew point indirect evaporation cooler, cooling coil, filler etc. are combined composition enclosed off-premises station, can be with the place that needs new wind and cold water at the same time, avoid resetting new blower fan group, have energy-conservation and characteristics environmental protection.
Claims (5)
1. a distributary plate fin type indirect evaporative cools off off-premises station, it is characterized in that, include machine unit shell, be respectively arranged with air inlet (1) on relative two sidewalls of described machine unit shell, air outlet a(13), be disposed with filter (2) by new wind approach axis in the described machine unit shell, the direct evaporative cooler of distributary plate-fin dew point indirect evaporation cooler and band evaporative cooling coil pipe, the top of described distributary plate-fin dew point indirect evaporation cooler is disposed with water fender a(5) and exhaust blower a(6), described exhaust blower a(6) Dui Ying machine unit shell roof is provided with exhaust outlet a(24), the top of the direct evaporative cooler of described band evaporative cooling coil pipe is disposed with water fender b(8) and exhaust blower b(7), described exhaust blower b(7) corresponding machine unit shell roof is provided with exhaust outlet b(25).
2. distributary plate fin type indirect evaporative according to claim 1 cools off off-premises station, it is characterized in that, described distributary plate-fin dew point indirect evaporation cooler, include distributary plate-fin dew point indirect heat exchanger (3), the top of described distributary plate-fin dew point indirect heat exchanger (3) is provided with water-locator a(4), the bottom of described distributary plate-fin dew point indirect heat exchanger (3) is provided with open type header tank a(16), described open type header tank a(16) is respectively arranged with water circulating pump a(14 in), hydrotreater a(15) and water compensating valve a(17), described water-locator a(4) by water pipe successively with described water circulating pump a(14) with hydrotreater a(15) be connected.
3. distributary plate fin type indirect evaporative according to claim 2 cools off off-premises station, it is characterized in that, described distributary plate-fin dew point indirect heat exchanger (3), include a plurality of heat exchange units that be arranged in parallel (31), be provided with demarcation strip (32) between described every adjacent two heat exchange units (31), form wet channel (28) and dry passage (29) between demarcation strip (32) and the heat exchange unit (31) at interval, each heat exchange unit is arranged with the multirow through hole in parallel on (31), every row from top to bottom, the number of openings of a wind upstream end reduces gradually, and demarcation strip (32) is gone up with a wind approach axis, be provided with delegation's through hole from top to bottom along diagonal.
4. distributary plate fin type indirect evaporative according to claim 1 cools off off-premises station, it is characterized in that, the direct evaporative cooler of described band evaporative cooling coil pipe, include filler (10), the top of described filler (10) is provided with water-locator b(9), the bottom of described filler (10) is disposed with evaporative cooling coil pipe (11), air channel and open type header tank b(19), the close machine unit shell sidewall air outlet a(13 in described air channel) locates to be provided with water fender c(33), described water fender c(33) and described air outlet a(13) between be provided with pressure fan (12), described open type header tank b(19) is respectively arranged with water compensating valve b(18 in), hydrotreater b(20) and water circulating pump b(21), described water-locator b(9) by feed pipe successively with described hydrotreater b(20) with described water circulating pump b(21) be connected.
5. distributary plate fin type indirect evaporative according to claim 4 cools off off-premises station, it is characterized in that, the water inlet end of described evaporative cooling coil pipe (11) is connected with return pipe (26), and the water side of described evaporative cooling coil pipe (11) is connected with feed pipe (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320185090 CN203215898U (en) | 2013-04-12 | 2013-04-12 | Cross-flow plate-fin indirect evaporative cooling outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320185090 CN203215898U (en) | 2013-04-12 | 2013-04-12 | Cross-flow plate-fin indirect evaporative cooling outdoor unit |
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| Publication Number | Publication Date |
|---|---|
| CN203215898U true CN203215898U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320185090 Expired - Fee Related CN203215898U (en) | 2013-04-12 | 2013-04-12 | Cross-flow plate-fin indirect evaporative cooling outdoor unit |
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| Country | Link |
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| CN (1) | CN203215898U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245017A (en) * | 2013-04-12 | 2013-08-14 | 西安工程大学 | Closed cross-flow plate-fin dew-point indirect evaporative cooling outdoor unit |
| CN104748587A (en) * | 2015-04-09 | 2015-07-01 | 江西申东环保科技有限公司 | Two-section dry air cooler |
| CN104879868A (en) * | 2015-05-13 | 2015-09-02 | 西安工程大学 | Heat recovery type dew point evaporation cooling enclosed water chiller unit based on corrugated tube heat exchange |
| CN112984658A (en) * | 2021-03-10 | 2021-06-18 | 新疆华奕新能源科技有限公司 | Indirect evaporation condensing unit |
-
2013
- 2013-04-12 CN CN 201320185090 patent/CN203215898U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245017A (en) * | 2013-04-12 | 2013-08-14 | 西安工程大学 | Closed cross-flow plate-fin dew-point indirect evaporative cooling outdoor unit |
| CN103245017B (en) * | 2013-04-12 | 2016-01-13 | 西安工程大学 | The off-premises station of enclosed distributary plate wing dew point indirect evaporative cooling |
| CN104748587A (en) * | 2015-04-09 | 2015-07-01 | 江西申东环保科技有限公司 | Two-section dry air cooler |
| CN104879868A (en) * | 2015-05-13 | 2015-09-02 | 西安工程大学 | Heat recovery type dew point evaporation cooling enclosed water chiller unit based on corrugated tube heat exchange |
| CN112984658A (en) * | 2021-03-10 | 2021-06-18 | 新疆华奕新能源科技有限公司 | Indirect evaporation condensing unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20140412 |