CN203215905U - Indirect evaporation water chilling unit operating under multiple climatic conditions - Google Patents
Indirect evaporation water chilling unit operating under multiple climatic conditions Download PDFInfo
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- CN203215905U CN203215905U CN 201320252844 CN201320252844U CN203215905U CN 203215905 U CN203215905 U CN 203215905U CN 201320252844 CN201320252844 CN 201320252844 CN 201320252844 U CN201320252844 U CN 201320252844U CN 203215905 U CN203215905 U CN 203215905U
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Abstract
The utility model relates to the technical field of energy saving and provides an indirect evaporation water chilling unit operating under multiple climatic conditions. The indirect evaporation water chilling unit operating under the multiple climatic conditions comprises a casing, a filler, a first water pipe, a water outlet pipe, a water returning pipe, a water pump and a user heat exchange end, wherein the filler is arranged in the casing, a spraying device is arranged above the filler, a water tank is arranged under the filler, a surface air cooler is arranged at the position of an air inlet of the casing, and an exhaust fan is arranged at the position of an air outlet of the casing. The first water pipe is communicated with the spraying device. The indirect evaporation water chilling unit is reasonable and compact in structure and convenient to use, a second water outlet of the surface air cooler is communicated with the water pump through a second water pipe, a user heat exchange end water outlet pipe and a seventh water pipe. The switching problem during usage in winter and summer and the freeze-proofing problem in winter are solved by opening and closing different valves, so that the indirect evaporation water chilling unit operating under the multiple climatic conditions can be used throughout the year and has the advantages of being simple and convenient to operate, reliable and efficient.
Description
Technical field
The utility model relates to field of energy-saving technology, is a kind of many weather conditions operation indirect evaporation cooling water chiller.
Background technology
Dry areas such as the vaporation-type refrigerating plant has used comparatively widely in Xinjiang, the Inner Mongol, Ningxia, only use as low-temperature receiver in summer but present existing indirect evaporation cooling water chiller is general, do not have to consider the use in transition season and winter time, so just reduced the scope of application of indirect evaporation cooling water chiller greatly; For the place that needs the cooling in winter, use the whole year such as the industrial circle of aircondition etc. as needs, because existing indirect evaporation cooling water chiller does not have antifreezing measures, can't normally move in the winter time, limited the range of application of indirect evaporation cooling water chiller.
Summary of the invention
The utility model provides a kind of many weather conditions operation indirect evaporation cooling water chiller, has overcome the deficiency of above-mentioned prior art, and it can effectively solve the problem that the preventing freeze in winter ability is relatively poor, can't normally move winter that existing indirect evaporation cooling water chiller exists.
The technical solution of the utility model realizes by following measure: a kind of many weather conditions operation indirect evaporation cooling water chiller, comprise housing, filler, first water pipe, the 3rd water pipe, user's heat-exchange end feed pipe, user's heat-exchange end outlet pipe and water pump, be provided with filler in the housing, the top of filler is provided with spray equipment, the below of filler is provided with water tank, the air inlet place of housing is provided with surface cooler, and the air outlet place of housing is provided with exhaust blower; First water pipe is connected with spray equipment, the 3rd water pipe is provided with second water valve, the delivery port of the 3rd water pipe is connected with the water inlet of user's heat-exchange end feed pipe, on user's heat-exchange end feed pipe water pump is installed, user's heat-exchange end outlet pipe is connected with first water inlet of surface cooler by the 4th water pipe, user's heat-exchange end outlet pipe is connected with second water inlet of surface cooler by the 5th water pipe simultaneously, the 4th water pipe is provided with the 4th water valve, the 5th water pipe is provided with the 5th water valve, second water inlet of surface cooler is connected with first water pipe by first water valve, be communicated with second water pipe between first water inlet of the water inlet of user's heat-exchange end feed pipe and surface cooler, second water pipe is provided with the 3rd water valve.
Be the further optimization and/or improvements to above-mentioned utility model technical scheme below:
The said exhaust machine can be adjustable rotating speed exhaust blower.
Can be communicated with the 6th water pipe between second water inlet of above-mentioned surface cooler and the water inlet of first water valve, the 5th water pipe is connected with second water inlet of surface cooler by the 6th water pipe simultaneously.
Above-mentioned at water pump water inlet and second water inlet of surface cooler between can be communicated with the 7th water pipe, the 7th water pipe is provided with the 6th water valve.
Can be communicated with user's heat-exchange end between above-mentioned user's heat-exchange end feed pipe and the user's heat-exchange end outlet pipe.
The utility model reasonable and compact in structure, easy to use, it is by second water inlet and the water pump of second water pipe, user's heat-exchange end outlet pipe and the 7th cross current surface cooler, switching problem and the preventing freeze in winter problem of the use of summer in winter have been solved by opening or close different valves, indirect evaporation cooling water chiller can be used in the whole year, have easy and simple to handle, reliable, characteristics of high efficiency.
Description of drawings
Accompanying drawing 1 is the operational mode principle schematic of the utility model embodiment 1 in summer and transition season.
Accompanying drawing 2 be the utility model embodiment 1 in the winter time with the operational mode principle schematic in transition season.
Accompanying drawing 3 is the operational mode principle schematic of the utility model embodiment 2 in summer and transition season.
Accompanying drawing 4 be the utility model embodiment 2 in the winter time with first kind of operational mode principle schematic in transition season.
Accompanying drawing 5 be the utility model embodiment 2 in the winter time with second kind of operational mode principle schematic in transition season.
Coding in the accompanying drawing is respectively: 1 is housing, and 2 is first water pipe, and 3 is user's heat-exchange end outlet pipe, 4 is water pump, and 5 is user's heat-exchange end, and 6 is spray equipment, 7 is filler, and 8 is water tank, and 9 is surface cooler, 10 is exhaust blower, 11 is second water pipe, and 12 is the 3rd water pipe, and 13 is user's heat-exchange end feed pipe, 14 is the 4th water pipe, 15 is the 5th water pipe, and 16 is the 6th water pipe, and 17 is the 7th water pipe, K1 is first water valve, K2 is second water valve, and K3 is the 3rd water valve, and K4 is the 4th water valve, K5 is the 5th water valve, and K6 is the 6th water valve.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description 1 is described, as: the position relation of forward and backward, upper and lower, left and right etc. is what to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Embodiment 1: shown in accompanying drawing 1,2, these many weather conditions operation indirect evaporation cooling water chiller comprise housing 1, filler 7, first water pipe 2, the 3rd water pipe 12, user's heat-exchange end feed pipe 13, user's heat-exchange end outlet pipe 3 and water pump 4, be provided with filler 7 in the housing 1, the top of filler 7 is provided with spray equipment 6, the below of filler 7 is provided with water tank 8, the air inlet place of housing 1 is provided with surface cooler 9, and the air outlet place of housing 1 is provided with exhaust blower 10; First water pipe 2 is connected with spray equipment 6, the 3rd water pipe 12 is provided with the second water valve K2, the delivery port of the 3rd water pipe 12 is connected with the water inlet of user's heat-exchange end feed pipe 13, on user's heat-exchange end feed pipe 13 water pump 4 is installed, user's heat-exchange end outlet pipe 3 is connected with first water inlet of surface cooler 9 by the 4th water pipe 14, user's heat-exchange end outlet pipe 3 is connected with second water inlet of surface cooler 9 by the 5th water pipe 15 simultaneously, the 4th water pipe 14 is provided with the 4th water valve K4, the 5th water pipe 15 is provided with the 5th water valve K5, second water inlet of surface cooler 9 is connected with first water pipe 2 by the first water valve K1, between first water inlet of the water inlet of user's heat-exchange end feed pipe 13 and surface cooler 9, be communicated with second water pipe, 11, the second water pipes 11 and be provided with the 3rd water valve K3.Before using, earlier user's heat-exchange end 5 is communicated with user's heat-exchange end feed pipe 13 and user's heat-exchange end outlet pipe 3.In summer and transition during season, open the first water valve K1, the second water valve K2 and the 4th water valve K4, close the 3rd water valve K3 and the 5th water valve K5 simultaneously, outdoor air by surface cooler 9 enters after by precooling in the filler 7 in the housing 1, water in the surface cooler 9 is by the air generation caloic exchange in filler 7 backs and the filler 7, air through filler 7 is discharged outside the housing 1 by exhaust blower 10, the cold water that makes enters water tank 8, give user's heat-exchange end 5 by water pump 4, the backwater input surface cooler 9 after the intensification that user's heat-exchange end 5 will flow out is recycling; In the winter time with transition during season, close the first water valve K1, the second water valve K2 and the 4th water valve K4, open the 3rd water valve K3 and the 5th water valve K5 simultaneously, outdoor air freezes the water in the surface cooler 9 by surface cooler 9, cold water directly enters water pump 4 and gives user's heat-exchange end 5 by second water pipe 11 and the 3rd water valve K3, import surface cooler 9 again by the backwater after the intensification of user's heat-exchange end 5 outflows, when the backwater after outdoor wind is by 9 pairs of intensifications of surface cooler cools off, guarantee that surface cooler 9 normally moves, so that the utility model can reliability service under full weather conditions, well solved the switching problem of summer in winter use and the antifreeze problem in winter by opening or close different valves, realized that the utility model normally moved in the whole year.
Can according to actual needs above-described embodiment 1 be made further optimization and/or improvements:
Shown in accompanying drawing 1,2, exhaust blower 10 is adjustable rotating speed exhaust blower.By adjusting the rotating speed of exhaust blower 10, can change the exhaust air rate of exhaust blower 10, thereby make the temperature of the water that enters user's heat-exchange end 5 keep stable.
Shown in accompanying drawing 1,2, be communicated with the 6th water pipe 16, the five water pipes 15 between second water inlet of surface cooler 9 and the water inlet of the first water valve K1 and be connected with second water inlet of surface cooler 9 by the 6th water pipe 16 simultaneously.Be convenient to the repair and replacement of pipeline assembling and water valve so more.
Embodiment 2: shown in accompanying drawing 3,4,5, be communicated with the 7th water pipe 17, the seven water pipes 17 and be provided with the 6th water valve K6 between second water inlet of the water inlet of water pump 4 and surface cooler 9.By increasing the 7th water pipe 17 and the 6th water valve K6, can make surface cooler 9 and the air that enters unit realize following current or countercurrent flow, and these two kinds of operational modes can be switched.Before using, earlier user's heat-exchange end 5 is communicated with user's heat-exchange end feed pipe 13 and user's heat-exchange end outlet pipe 3.In summer and transition during season, open the first water valve K1, the second water valve K2 and the 4th water valve K4, close the 3rd water valve K3, the 5th water valve K5 and the 6th water valve K6 simultaneously, outdoor air by surface cooler 9 enters after by precooling in the filler 7 in the housing 1, water in the surface cooler 9 is by the air generation caloic exchange in filler 7 backs and the filler 7, air through filler 7 is discharged outside the housing 1 by exhaust blower 10, the cold water that makes enters water tank 8, give user's heat-exchange end 5 by water pump 4, the backwater input surface cooler 9 after the intensification that user's heat-exchange end 5 flows out is recycling; First kind of operational mode in the time of in the winter time is to close the first water valve K1, the second water valve K2, the 3rd water valve K3 and the 5th water valve K5, open the 4th water valve K4, the 6th water valve K6 simultaneously, outdoor air freezes the water in the surface cooler 9 by surface cooler 9, cold water directly enters water pump 4 and gives user's heat-exchange end 5 by the 6th water valve K6, the 7th water pipe 17, imports surface cooler 9 by first water inlet again by the backwater after the intensification of user's heat-exchange end 5 outflows; Second kind of operational mode in the time of in the winter time is to close the first water valve K1, the second water valve K2, the 4th water valve K4 and the 6th water valve K6, open the 3rd water valve K3 and the 5th water valve K5 simultaneously, outdoor air freezes the water in the surface cooler 9 by surface cooler 9, cold water directly enters water pump 4 and gives user's heat-exchange end 5 by second water pipe 11, the 3rd water valve K3, imports surface cooler 9 by the 5th water pipe 15 and the 5th water valve K5 by second water inlet again by the backwater after the intensification of user's heat-exchange end 5 outflows; When the backwater after outdoor wind is by 9 pairs of intensifications of surface cooler cools off, guarantee that surface cooler 9 normally moves, so that the utility model can reliability service under full weather conditions, switching problem that the summer in winter uses and the antifreeze problem in winter have well been solved by opening or close different valves.
Shown in accompanying drawing 1,2, be communicated with user's heat-exchange end 5 between user's heat-exchange end feed pipe 13 and the user's heat-exchange end outlet pipe 3.
Above technical characterictic has constituted embodiment of the present utility model, and it has stronger adaptability and implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
Wherein, the use of the utility model embodiment 1 is as follows:
Before using, earlier user's heat-exchange end 5 is communicated with user's heat-exchange end feed pipe 13 and user's heat-exchange end outlet pipe 3.
In summer and transition during season, as shown in Figure 1, at first, open the first water valve K1, the second water valve K2 and the 4th water valve K4, close the 3rd water valve K3 and the 5th water valve K5 simultaneously, outdoor air is entered earlier the inner chamber of housing 1 by the air inlet of surface cooler 9, the outdoor air by surface cooler 9 enters after by precooling in the filler 7 in the housing 1; Then, water in the surface cooler 9 enters spray equipment 6 by the 6th water pipe 16, the first water valve K1 and first water pipe 2, water under spray equipment 6 sprays falls into water tank 8 through filler 7, and the air that enters housing 1 contacts the exchange of generation caloic with water in filler 7, water temperature is reduced; Then, the air by filler 7 in the housing 1 is discharged from the air outlet of housing 1 by exhaust blower 10, and simultaneously, the cold water in the water tank 8 is sent in user's heat-exchange end 5 through the 3rd water pipe 12, the second water valve K2, water pump 4 and user's heat-exchange end feed pipe 13 successively; At last, backwater after the intensification that user's heat-exchange end 5 flows out flows into first water inlet of surface cooler 9 successively by user's heat-exchange end outlet pipe 3, the 4th water pipe 14, the 4th water valve K4, second water inlet of surface cooler 9 enters spray equipment 6 again by the 6th water pipe 16, the first water valve K1 and first water pipe 2, forms the water circulation.
When using in the winter time, as shown in Figure 2, at first, close the first water valve K1, the second water valve K2 and the 4th water valve K4, open the 3rd water valve K3 and the 5th water valve K5 simultaneously, outdoor air is entered earlier the inner chamber of housing 1 by the air inlet of surface cooler 9, and air makes water cooling in the surface cooler 9 by surface cooler 9; Then, water in the surface cooler 9 is flowed out by first water inlet of surface cooler 9, enter in user's heat-exchange end 5 by second water pipe 11, the 3rd water valve K3, water pump 4 and user's heat-exchange end feed pipe 13 successively, simultaneously, the air that enters housing 1 is discharged from the air outlet of housing 1 by filler 7 and by exhaust blower 10; Then, backwater after the intensification that user's heat-exchange end 5 flows out flows into second water inlet of surface cooler 9 successively by user's heat-exchange end outlet pipe 3, the 5th water pipe 15, the 5th water valve K5 and the 6th water pipe 16, when the backwater after outdoor wind is by 9 pairs of intensifications of surface cooler cools off, guarantee that surface cooler 9 normally moves; At last, water is flowed out by first water inlet of surface cooler 9, enters user's heat-exchange end 5 by second water pipe 11, the 3rd water valve K3, water pump 4 and user's heat-exchange end feed pipe 13 again, forms the water circulation.
The use of the utility model embodiment 2 is as follows:
Before using, earlier user's heat-exchange end 5 is communicated with user's heat-exchange end feed pipe 13 and user's heat-exchange end outlet pipe 3.
In summer and transition during season, as shown in Figure 3, at first, open the first water valve K1, the second water valve K2 and the 4th water valve K4, close the 3rd water valve K3, the 5th water valve K5 and the 6th water valve K6 simultaneously, outdoor air is entered earlier the inner chamber of housing 1 by the air inlet of surface cooler 9, the outdoor air by surface cooler 9 enters after by precooling in the filler 7 in the housing 1; Then, water in the surface cooler 9 enters spray equipment 6 by the 6th water pipe 16, the first water valve K1 and first water pipe 2, water under spray equipment 6 sprays falls into water tank 8 through filler 7, and the air that enters housing 1 contacts the exchange of generation caloic with water in filler 7, water temperature is reduced; Then, the air by filler 7 in the housing 1 is discharged from the air outlet of housing 1 by exhaust blower 10, and simultaneously, the cold water in the water tank 8 is sent in user's heat-exchange end 5 through the 3rd water pipe 12, the second water valve K2, water pump 4 and user's heat-exchange end feed pipe 13 successively; At last, backwater after the intensification that user's heat-exchange end 5 flows out flows into first water inlet of surface cooler 9 successively by user's heat-exchange end outlet pipe 3, the 4th water pipe 14 and the 4th water valve K4, second water inlet of surface cooler 9 enters spray equipment 6 again by the 6th water pipe 16, the first water valve K1 and first water pipe 2, forms the water circulation.
First kind of operational mode when using in the winter time, as shown in Figure 4, at first, close the first water valve K1, the second water valve K2, the 3rd water valve K3 and the 5th water valve K5, open the 4th water valve K4, the 6th water valve K6 simultaneously, outdoor air is entered earlier the inner chamber of housing 1 by the air inlet of surface cooler 9, air makes water cooling in the surface cooler 9 by surface cooler 9; Then, the water of surface cooler 9 enters in user's heat-exchange end 5 by the 6th water pipe 16, the 6th water valve K6, the 7th water pipe 17, water pump 4 and user's heat-exchange end feed pipe 13 successively, simultaneously, the air that enters housing 1 is discharged from the air outlet of housing 1 by filler 7 and by exhaust blower 10; Then, backwater after the intensification that user's heat-exchange end 5 flows out flows into first water inlet of surface cooler 9 successively by user's heat-exchange end outlet pipe 3, the 4th water pipe 14 and the 4th water valve K4, when the backwater after outdoor wind is by 9 pairs of intensifications of surface cooler cools off, guarantee that surface cooler 9 normally moves; At last, water is flowed out by second water inlet of surface cooler 9, enters user's heat-exchange end 5 by the 6th water pipe 16, the 6th water valve K6, the 7th water pipe 17, water pump 4 and user's heat-exchange end feed pipe 13 again, forms the water circulation.
Second kind of operational mode when using in the winter time, as shown in Figure 5, at first, close the first water valve K1, the second water valve K2, the 4th water valve K4 and the 6th water valve K6, open the 3rd water valve K3 and the 5th water valve K5 simultaneously, outdoor air is entered earlier the inner chamber of housing 1 by the air inlet of surface cooler 9, air makes water cooling in the surface cooler 9 by surface cooler 9; Then, water in the surface cooler 9 is flowed out by first water inlet of surface cooler 9, enter in user's heat-exchange end 5 by second water pipe 11, the 3rd water valve K3, water pump 4 and user's heat-exchange end feed pipe 13 successively, simultaneously, the air that enters housing 1 is discharged from the air outlet of housing 1 by filler 7 and by exhaust blower 10; Then, backwater after the intensification that user's heat-exchange end 5 flows out flows into second water inlet of surface cooler 9 successively by user's heat-exchange end outlet pipe 3, the 5th water pipe 15, the 5th water valve K5 and the 6th water pipe 16, when the backwater after outdoor wind is by 9 pairs of intensifications of surface cooler cools off, guarantee that surface cooler 9 normally moves; At last, water is flowed out by first water inlet of surface cooler 9, enters user's heat-exchange end 5 by second water pipe 11, the 3rd water valve K3, water pump 4 and user's heat-exchange end feed pipe 13 again, forms the water circulation.
Claims (9)
1. weather conditions more than a kind move indirect evaporation cooling water chiller, it is characterized in that comprising housing, filler, first water pipe, the 3rd water pipe, user's heat-exchange end feed pipe, user's heat-exchange end outlet pipe and water pump, be provided with filler in the housing, the top of filler is provided with spray equipment, the below of filler is provided with water tank, the air inlet place of housing is provided with surface cooler, and the air outlet place of housing is provided with exhaust blower; First water pipe is connected with spray equipment, the 3rd water pipe is provided with second water valve, the delivery port of the 3rd water pipe is connected with the water inlet of user's heat-exchange end feed pipe, on user's heat-exchange end feed pipe water pump is installed, user's heat-exchange end outlet pipe is connected with first water inlet of surface cooler by the 4th water pipe, user's heat-exchange end outlet pipe is connected with second water inlet of surface cooler by the 5th water pipe simultaneously, the 4th water pipe is provided with the 4th water valve, the 5th water pipe is provided with the 5th water valve, second water inlet of surface cooler is connected with first water pipe by first water valve, be communicated with second water pipe between first water inlet of the water inlet of user's heat-exchange end feed pipe and surface cooler, second water pipe is provided with the 3rd water valve.
2. many weather conditions operation indirect evaporation cooling water chiller according to claim 1 is characterized in that exhaust blower is adjustable rotating speed exhaust blower.
3. many weather conditions according to claim 1 and 2 move indirect evaporation cooling water chiller, it is characterized in that being communicated with the 6th water pipe between the water inlet of second water inlet of surface cooler and first water valve, the 5th water pipe is connected with second water inlet of surface cooler by the 6th water pipe simultaneously.
4. many weather conditions operation indirect evaporation cooling water chiller according to claim 1 and 2 is characterized in that being communicated with the 7th water pipe between second water inlet of the water inlet of water pump and surface cooler, and the 7th water pipe is provided with the 6th water valve.
5. many weather conditions operation indirect evaporation cooling water chiller according to claim 3 is characterized in that being communicated with the 7th water pipe between second water inlet of the water inlet of water pump and surface cooler, and the 7th water pipe is provided with the 6th water valve.
6. many weather conditions operation indirect evaporation cooling water chiller according to claim 1 and 2 is characterized in that being communicated with user's heat-exchange end between user's heat-exchange end feed pipe and the user's heat-exchange end outlet pipe.
7. many weather conditions operation indirect evaporation cooling water chiller according to claim 3 is characterized in that being communicated with user's heat-exchange end between user's heat-exchange end feed pipe and the user's heat-exchange end outlet pipe.
8. many weather conditions operation indirect evaporation cooling water chiller according to claim 4 is characterized in that being communicated with user's heat-exchange end between user's heat-exchange end feed pipe and the user's heat-exchange end outlet pipe.
9. many weather conditions operation indirect evaporation cooling water chiller according to claim 5 is characterized in that being communicated with user's heat-exchange end between user's heat-exchange end feed pipe and the user's heat-exchange end outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320252844 CN203215905U (en) | 2013-05-12 | 2013-05-12 | Indirect evaporation water chilling unit operating under multiple climatic conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320252844 CN203215905U (en) | 2013-05-12 | 2013-05-12 | Indirect evaporation water chilling unit operating under multiple climatic conditions |
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| Publication Number | Publication Date |
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| CN203215905U true CN203215905U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320252844 Expired - Fee Related CN203215905U (en) | 2013-05-12 | 2013-05-12 | Indirect evaporation water chilling unit operating under multiple climatic conditions |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604179A (en) * | 2013-11-21 | 2014-02-26 | 新疆绿色使者干空气能源有限公司 | Composite cooling device capable of being operated under multiple weather conditions |
| CN104061641A (en) * | 2014-06-10 | 2014-09-24 | 新疆绿色使者干空气能源有限公司 | Multi-cycle indirect evaporative cold water supply device and cold water production method |
-
2013
- 2013-05-12 CN CN 201320252844 patent/CN203215905U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604179A (en) * | 2013-11-21 | 2014-02-26 | 新疆绿色使者干空气能源有限公司 | Composite cooling device capable of being operated under multiple weather conditions |
| CN104061641A (en) * | 2014-06-10 | 2014-09-24 | 新疆绿色使者干空气能源有限公司 | Multi-cycle indirect evaporative cold water supply device and cold water production method |
| CN104061641B (en) * | 2014-06-10 | 2017-02-01 | 新疆绿色使者干空气能源有限公司 | Multi-cycle indirect evaporative cold water supply device and cold water production method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |