CN203116191U - Secondary air reused indirect-direct evaporative cooling composite fresh air unit - Google Patents
Secondary air reused indirect-direct evaporative cooling composite fresh air unit Download PDFInfo
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- CN203116191U CN203116191U CN 201320020650 CN201320020650U CN203116191U CN 203116191 U CN203116191 U CN 203116191U CN 201320020650 CN201320020650 CN 201320020650 CN 201320020650 U CN201320020650 U CN 201320020650U CN 203116191 U CN203116191 U CN 203116191U
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- evaporative cooler
- arm
- indirect
- air
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Abstract
The utility model discloses a secondary air reused indirect-direct evaporative cooling composite fresh air unit. The secondary air reused indirect-direct evaporative cooling composite comprises a unit shell, wherein a tubular indirect evaporative cooler, a direct evaporative cooler and an air supplying machine are sequentially arranged in the unit shell. A plate heat exchanger is arranged at the upper portion of the tubular indirect evaporative cooler; a primary filter is arranged on one side, close to the direct evaporative cooler, of the plate heat exchanger; a fresh air port is formed in the side wall, corresponding to the primary filter, of the unit shell; and an air supply outlet is formed in the side wall, corresponding to the air supplying machine, of the unit shell. The secondary air reused indirect-direct evaporative cooling composite fresh air unit not only is compact in structure, reasonable in arrangement, and capable of reducing occupied space, but also can improve cooling efficiency and save energy consumption.
Description
Technical field
The utility model belongs to air conditioner technical field, the compound new blower fan group of evaporative cooling indirectly-directly that relates to a kind of auxiliary air recycling, be specifically related to a kind of auxiliary air recycling of being formed by roughing efficiency air filter, plate type heat exchanger, tube type indirect evaporative cooler and direct evaporative cooler indirectly-the direct compound new blower fan group of evaporative cooling.
Background technology
The Evaporative Cooling Air Conditioning technology is a kind of air-conditioning technical with broad prospect of application, is divided into the direct evaporative cooling of independent employing or indirect evaporative cooling technology, or adopts the multistage evaporation cooling technology.Because adopt the single-stage evaporation cooling technology to be subject to the influence of weather conditions, cool effect is limited, the place of use can be subjected to certain restriction.Nowadays adopt multistage evaporation cooling unit to compare single-stage evaporation cooling unit cooling extent and improve, volume is big, energy consumption is higher, operate more complicated and the restricted drawback of the scope of application but this kind equipment exists.
In the air-conditioning system of some buildings, use the air conditioner fresh air unit that new wind is carried out preliminary treatment to satisfy air-conditioning system to the requirement of new wind.Traditional air conditioner fresh air unit need adopt handpiece Water Chilling Units to provide chilled water to bear new wind load usually, and the new blower fan group of the evaporative cooling different with the new blower fan group of tradition adopts the Evaporative Cooling Air Conditioning technology, the evaporation of process water is taken away airborne heat and is come the outer new wind of process chamber, does not need handpiece Water Chilling Units that cold water is provided.Adopt the new blower fan group of evaporative cooling to focus on new wind, send into air-conditioned room through ajutage again, for three grades of new blower fan groups of evaporative cooling, often there is the oversize problem of unit, relatively take up room, often adopt simultaneously the direct way of discharging of the auxiliary air of tube type indirect evaporative cooler in the new blower fan group of evaporative cooling is not used to auxiliary air, not too economical.
Summary of the invention
The purpose of this utility model is to provide the compound new blower fan group of evaporative cooling indirectly-directly of auxiliary air recycling, not only set structure compactness, connection and reasonable arrangement, reduced and taken up room, and improved cooling efficient, saved energy consumption.
The technical scheme that the utility model adopts is, the compound new blower fan group of evaporative cooling indirectly-directly of auxiliary air recycling, comprise machine unit shell, be disposed with tube type indirect evaporative cooler, direct evaporative cooler and blower in the machine unit shell, the top of tube type indirect evaporative cooler is provided with plate type heat exchanger, plate type heat exchanger is provided with roughing efficiency air filter near a side of direct evaporative cooler, the corresponding machine unit shell sidewall of roughing efficiency air filter is provided with fresh wind port, and the corresponding machine unit shell sidewall of blower is provided with air outlet.
Characteristics of the present utility model also are,
Tube type indirect evaporative cooler includes set of heat exchange tubes, and the top of set of heat exchange tubes is disposed with water-locator a, water fender b and overfire air fan, and the bottom of set of heat exchange tubes is provided with cyclic water tank b, and cyclic water tank b is successively by arm G
1, arm G
3, arm G
4A is connected with water-locator, arm G
4Be provided with valve a, arm G
3Be provided with water circulating pump.
Direct evaporative cooler includes filler, and the top of filler is provided with water-locator b, and the bottom of filler is provided with cyclic water tank a, and the top of cyclic water tank a, the rear portion of filler are provided with water fender a, and cyclic water tank a is successively by arm G
2, arm G
3, arm G
5B is connected with water-locator, arm G
5Be provided with valve b.
The beneficial effects of the utility model are:
1. the compound new blower fan group of evaporative cooling of the present utility model has compact conformation than traditional new blower fan group of three grades of evaporative coolings, and rationally distributed characteristics have been optimized the structure of the new blower fan group of traditional evaporative cooling;
2. trickle and the auxiliary air of the compound new blower fan group of evaporative cooling of the present utility model utilization outside the tube type indirect evaporative cooler pipe carries out the wet exchange of heat, absorb the sensible heat of primary air in the heat exchanger tube, the estimated secondary air temperature of carrying out the wet exchange of heat is low can be used for fore-cooling room's new wind outward, be a kind of comparatively reasonably new wind forecooling method, utilize the auxiliary air of tube type indirect evaporative cooler simultaneously fully;
3. the tube type indirect evaporative cooler in the compound new blower fan group of evaporative cooling of the present utility model and the cyclic water tank of direct evaporative cooler adopt same water circulating pump, conserve space that can be is to a certain degree also saved energy consumption, simultaneously on the shower water arm of tube type indirect evaporative cooler and direct evaporative cooler, be provided with valve separately, can be according to different outdoor weather condition selectively unlocking valves, the trickle water yield can be regulated on the one hand, the open and close of each section trickle can be controlled on the other hand.
Description of drawings
Fig. 1 is the structural representation of the compound new blower fan group of the utility model;
Fig. 2 is the schematic diagram that plate type heat exchanger and roughing efficiency air filter are handled air in the compound new blower fan group of the utility model.
Among the figure, 1. blower, 2. water fender a, 3. cyclic water tank a, 4. water circulating pump, 5. cyclic water tank b, 6. set of heat exchange tubes, 7. water-locator a, 8. water fender b, 9. overfire air fan, 10. plate type heat exchanger, 11. roughing efficiency air filter, 12. valve a, 13. valve b, 14. fillers, 15. water-locator b.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The compound new blower fan group of evaporative cooling indirectly-directly of auxiliary air recycling of the present utility model, its structure as shown in Figure 1, include machine unit shell, be disposed with tube type indirect evaporative cooler in the machine unit shell, direct evaporative cooler and blower 1, the top of tube type indirect evaporative cooler is provided with plate type heat exchanger 10, as shown in Figure 2, plate type heat exchanger 10 is provided with roughing efficiency air filter 11 near a side of direct evaporative cooler, roughing efficiency air filter 11 corresponding machine unit shell sidewalls are provided with fresh wind port, and blower 1 corresponding machine unit shell sidewall is provided with air outlet.
Tube type indirect evaporative cooler, its structure includes set of heat exchange tubes 6 as shown in Figure 1, and the top of set of heat exchange tubes 6 is disposed with water-locator a7, water fender b8 and overfire air fan 9, the bottom of set of heat exchange tubes 6 is provided with cyclic water tank b5, and cyclic water tank b5 is successively by arm G
1, arm G
3, arm G
4A7 is connected with water-locator, arm G
4Be provided with valve a12, arm G
3Be provided with water circulating pump 4.
Direct evaporative cooler, its structure include filler 14 as shown in Figure 1, the top of filler 14 is provided with water-locator b15, the bottom of filler 14 is provided with cyclic water tank a3, and the rear portion of the top filler 14 of cyclic water tank a3 is provided with water fender a2, and cyclic water tank a3 is successively by arm G
2, arm G
3, arm G
5B15 is connected with water-locator, arm G
5Be provided with valve b13.
Fig. 2 has showed the mode of secondary return air recycling.
The new blower fan group of evaporative cooling of the present utility model upside arranges fresh wind port, new wind is successively through roughing efficiency air filter 11, plate type heat exchanger 10, the unit downside sets gradually tube type indirect evaporative cooler, direct evaporative cooler and blower 1, and plate type heat exchanger 10 is arranged on tube type indirect evaporative cooler upper end auxiliary air and exports out.
Outdoor new wind filters the back through roughing efficiency air filter 11 and carries out the sensible heat exchange at plate type heat exchanger 10 and tube type indirect evaporative cooler auxiliary air, entering into tube type indirect evaporative cooler again carries out etc. but clammy, enter direct evaporative cooler 14 then and carry out the constant enthalpy cooling, send the new blower fan group of evaporative cooling by blower 1 at last.
The course of work of the compound new blower fan group of evaporative cooling indirectly-directly of the utility model auxiliary air recycling is:
1. wind system work engineering:
Outdoor new wind filters through roughing efficiency air filter 11 from the machine unit shell upper end, new wind after the filtration carries out the sensible heat exchange with the auxiliary air that carries out the wet exchange process of heat through the trickle outside tube type indirect evaporative cooler and the pipe in plate type heat exchanger 10, finish precooling process; Through the primary air of the new wind after the precooling as tube type indirect evaporative cooler, but clammy through carrying out in the heat exchange tube of tube type indirect evaporative cooler etc. again, wet cooled air such as process tube type indirect evaporative cooler enter direct evaporative cooler again and the constant enthalpy temperature-fall period takes place in filler 14 trickle, last processed cold wind is sent to air-conditioned room, repetitive cycling through blower 1 again.
2. the water system course of work:
The trickle of tube type indirect evaporative cooler and direct evaporative cooler is by the same water pipe G of water circulating pump 4 processes
3Deliver to respectively among the water-locator b15 of the water-locator a7 of tube type indirect evaporative cooler and direct evaporative cooler and spray, in the water distribution pipe of the indirect evaporation cooler of the new blower fan group of evaporative cooling and direct evaporative cooler, be respectively equipped with valve a12 and valve b13, control the trickle open and close of tube type indirect evaporative cooler and direct evaporative cooler and the adjusting of trickle amount respectively, trickle and auxiliary air carry out the wet exchange of heat in tube type indirect evaporative cooler, in direct evaporative cooler, carry out the constant enthalpy cooling with the air of handling again, cold wind after the last blower 1 of process is again handled the new blower fan group of evaporative cooling is sent to room conditioning end, repetitive cycling.
The compound new blower fan group of evaporative cooling of the present utility model has compact conformation than traditional new blower fan group of three grades of evaporative coolings, favorably situated version, optimized the version of the new blower fan group of evaporative cooling, the floor space of the new blower fan group of minimizing evaporative cooling that simultaneously can be to a certain degree, the larger volume of comparing three grades of general new blower fan groups of evaporative cooling have preferably to be improved.
Improve existing some shortcomings part in the prior art, it can more effectively be played a role in the application of reality, use tube type indirect evaporative cooler and drench the auxiliary air that carries out the wet exchange of heat at the outer moisture film of pipe and carry out sensible heat by plate type heat exchanger and outdoor new wind and exchange outside the fore-cooling room wind newly, compare the new blower fan group of three grades of evaporative coolings of traditional employing backwater precooling, reduce the part energy consumption to a certain extent; Utilize the auxiliary air of tube type indirect evaporative cooler that new wind is carried out precooling treatment, tube type indirect evaporative cooler and direct evaporative cooler share a water circulating pump in the new blower fan group, be provided with valve at trickle arm separately, when outdoor weather condition allows, close the valve on the direct evaporative cooler shower water arm, only open the shower water of tube type indirect evaporative cooler, when outdoor weather condition does not satisfy, open the valve of tube type indirect evaporative cooler and direct evaporative cooler simultaneously, allow new wind through being undertaken etc. clammyly but handling by tube type indirect evaporative cooler again after the precooling, carry out the constant enthalpy cooling by direct evaporative cooler again and handle, send finally by crossing pressure fan.Saving energy consumption that can be to a certain degree has certain popularization value.
Claims (3)
1. the auxiliary air recycling is indirect-the direct compound new blower fan group of evaporative cooling, it is characterized in that, comprise machine unit shell, be disposed with tube type indirect evaporative cooler in the described machine unit shell, direct evaporative cooler and blower (1), the top of described tube type indirect evaporative cooler is provided with plate type heat exchanger (10), described plate type heat exchanger (10) is provided with roughing efficiency air filter (11) near a side of described direct evaporative cooler, the corresponding machine unit shell sidewall of described roughing efficiency air filter (11) is provided with fresh wind port, and the corresponding machine unit shell sidewall of described blower (1) is provided with air outlet.
2. auxiliary air recycling according to claim 1 is indirect-the direct compound new blower fan group of evaporative cooling, it is characterized in that, described tube type indirect evaporative cooler, include set of heat exchange tubes (6), the top of described set of heat exchange tubes (6) is disposed with water-locator a(7), water fender b(8) and overfire air fan (9), the bottom of described set of heat exchange tubes (6) is provided with cyclic water tank b(5), described cyclic water tank b(5) successively by arm G
1, arm G
3, arm G
4With described water-locator a(7) be connected described arm G
4Be provided with valve a(12), described arm G
3Be provided with water circulating pump (4).
3. auxiliary air recycling according to claim 1 is indirect-the direct compound new blower fan group of evaporative cooling, it is characterized in that, described direct evaporative cooler, include filler (14), the top of described filler (14) is provided with water-locator b(15), the bottom of described filler (14) is provided with cyclic water tank a(3), described cyclic water tank a(3) top, the rear portion of filler (14) be provided with water fender a(2), described cyclic water tank a(3) successively by arm G
2, arm G
3, arm G
5With described water-locator b(15) be connected described arm G
5Be provided with valve b(13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320020650 CN203116191U (en) | 2013-01-15 | 2013-01-15 | Secondary air reused indirect-direct evaporative cooling composite fresh air unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320020650 CN203116191U (en) | 2013-01-15 | 2013-01-15 | Secondary air reused indirect-direct evaporative cooling composite fresh air unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203116191U true CN203116191U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320020650 Expired - Fee Related CN203116191U (en) | 2013-01-15 | 2013-01-15 | Secondary air reused indirect-direct evaporative cooling composite fresh air unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042749A (en) * | 2015-08-31 | 2015-11-11 | 西安工程大学 | Heat recovery type distributed evaporative cooling air-cooling system applicable to tall and big space |
-
2013
- 2013-01-15 CN CN 201320020650 patent/CN203116191U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042749A (en) * | 2015-08-31 | 2015-11-11 | 西安工程大学 | Heat recovery type distributed evaporative cooling air-cooling system applicable to tall and big space |
| CN105042749B (en) * | 2015-08-31 | 2018-01-02 | 西安工程大学 | Suitable for the recovery type heat distributing Evaporative Cooling Air-conditioning System of large space |
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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: 20130807 Termination date: 20140115 |