CN202955810U - Precooling type closed evaporative cooling chiller with surface cooler - Google Patents

Precooling type closed evaporative cooling chiller with surface cooler Download PDF

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Publication number
CN202955810U
CN202955810U CN 201220668640 CN201220668640U CN202955810U CN 202955810 U CN202955810 U CN 202955810U CN 201220668640 CN201220668640 CN 201220668640 CN 201220668640 U CN201220668640 U CN 201220668640U CN 202955810 U CN202955810 U CN 202955810U
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surface cooler
water
evaporative cooling
pipe
cooling coil
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黄翔
宋祥龙
张鑫
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Xian Polytechnic University
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Xian Polytechnic University
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Abstract

本实用新型公开的带表冷器预冷型闭式蒸发冷却冷水机组,包括有机组壳体,机组壳体内设置有闭式蒸发冷却盘管装置,闭式蒸发冷却盘管装置的上部依次设置有挡水板、风机,风机所对应的机组壳体的顶壁上设置有排风口,闭式蒸发冷却盘管装置下部的两侧对称设置有表冷器a、表冷器b,机组壳体的外部设置有空调末端,闭式蒸发冷却盘管装置、表冷器a、表冷器b及空调末端之间通过管网连接。本实用新型的带表冷器预冷型闭式蒸发冷却冷水机组将带表冷器与闭式蒸发冷却盘管装置结合,采用闭式水系统,解决了现有开式水系统制取的高温冷水水质较差的问题,有效提高了换热效率,而且机组结构紧凑、占用空间小。

The precooling type closed evaporative cooling water chiller with a surface cooler disclosed by the utility model comprises an organic unit casing, and a closed evaporative cooling coil device is arranged inside the unit casing, and the upper part of the closed evaporative cooling coil device is sequentially arranged with The water baffle, the fan, and the top wall of the unit housing corresponding to the fan are provided with air outlets, and the two sides of the lower part of the closed evaporative cooling coil device are symmetrically provided with a surface cooler a and a surface cooler b, and the unit housing There is an air-conditioning terminal on the outside, and the closed evaporative cooling coil device, surface cooler a, surface cooler b and the air-conditioning terminal are connected through a pipe network. The pre-cooling type closed evaporative cooling water chiller with a surface cooler of the utility model combines the surface cooler with a closed evaporative cooling coil device, adopts a closed water system, and solves the high temperature produced by the existing open water system The problem of poor cold water quality has effectively improved the heat exchange efficiency, and the unit has a compact structure and takes up little space.

Description

The pre-cold mould enclosed of band surface cooler evaporative cooling handpiece Water Chilling Units
Technical field
The utility model belongs to air conditioner technical field, relates to the pre-cold mould enclosed of a kind of band surface cooler evaporative cooling handpiece Water Chilling Units, is specifically related to a kind of evaporative cooling handpiece Water Chilling Units be comprised of surface cooler, enclosed evaporative cooling coil device.
Background technology
Along with the development of Evaporative Cooling Air Conditioning technology and deeply, the evaporative cooling handpiece Water Chilling Units of various ways is arisen at the historic moment, and is bringing into play good energy-conservation and environmental-protection function in actual engineering.Yet, the evaporative cooling handpiece Water Chilling Units nowadays come into operation mostly is open water system, produce process in high temperature cold water, water directly contacts with air, due to air many times in a little deficiency aspect cleanliness factor, dirt and impurity that the high temperature cold water that causes producing out contains are more, and this can cause the filling surface fouling and affect the problems such as heat exchange, the regional representation that this is serious at dust and sand more obvious.This class unit profile is comparatively huge in addition, gives the transportation of equipment and installs and all bring a lot of inconvenience.The problem of above existence is all further applied the generation negative influence to the evaporative cooling handpiece Water Chilling Units.
These problems based on existing in practical application, on the basis of existing evaporative cooling handpiece Water Chilling Units, set structure is improved, a kind of evaporative cooling handpiece Water Chilling Units that adopts closed Water System is proposed, this set structure compactness, have good facilitation to the evaporation cooling high-temperature handpiece Water Chilling Units in wider promotion and application.
Summary of the invention
The purpose of this utility model is to provide the pre-cold mould enclosed of a kind of band surface cooler evaporative cooling handpiece Water Chilling Units, adopts closed Water System, has solved the poor problem of high temperature cold water water quality that existing open water system is produced, and has effectively improved heat exchange efficiency.
The technical scheme that the utility model adopts is, the pre-cold mould enclosed of band surface cooler evaporative cooling handpiece Water Chilling Units, include machine unit shell, be provided with enclosed evaporative cooling coil device in machine unit shell, the top of enclosed evaporative cooling coil device is disposed with water fender, blower fan, be provided with exhaust outlet on the roof of the corresponding machine unit shell of blower fan, the bilateral symmetry of enclosed evaporative cooling coil device bottom is provided with surface cooler a, surface cooler b, the outer setting of machine unit shell has air conditioning terminal, enclosed evaporative cooling coil device, surface cooler a, between surface cooler b and air conditioning terminal, by pipe network, connect.
Characteristics of the present utility model also are,
The structure of enclosed evaporative cooling coil device is: include the evaporative cooling coil pipe, the top of evaporative cooling coil pipe is disposed with filler, water-locator, the bottom of evaporative cooling coil pipe is disposed with deflector, air channel and open tank, open tank is communicated with water-locator by water pipe, is provided with water pump a on water pipe.
The upper end of evaporative cooling coil pipe is water inlet end, and the lower end of evaporative cooling coil pipe is water side.
Surface cooler a and surface cooler b adopt horizontal surface cooler, and the structure of horizontal surface cooler is: include cooler, on machine unit shell corresponding to the top of cooler, be provided with air inlet, between cooler and air inlet, be provided with air cleaner.
Surface cooler a and surface cooler b are symmetricly set in the two ends of deflector.
Surface cooler a and surface cooler b adopt vertical surface cooler, and the structure of vertical surface cooler is: include cooler, on the corresponding machine unit shell in cooler side, be provided with air inlet, between air inlet and cooler, be provided with air cleaner.
Surface cooler a and surface cooler b are symmetricly set in the both sides, air channel.
Pipe network structure between enclosed evaporative cooling coil device, surface cooler a, surface cooler b and air conditioning terminal is: in enclosed evaporative cooling coil device, the water side of evaporative cooling coil pipe is connected with outlet pipe, be provided with water pump b on outlet pipe, the outlet pipe other end is connected with tube connector, and the tube connector other end is connected with respectively water pipe G 1, water pipe G 2, water pipe G 3, water pipe G 1With surface cooler, a is connected, water pipe G 2By water pipe G 8With surface cooler, b is connected, water pipe G 3With air conditioning terminal, be connected, air conditioning terminal is by water pipe G 4, water inlet pipe is connected with the water inlet end of evaporative cooling coil pipe, surface cooler a is by water pipe G 5, water pipe G 6With water inlet pipe, be connected, surface cooler b is by water pipe G 7With water inlet pipe, be connected.
The beneficial effects of the utility model are,
1) the pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units is placed in cold water in enclosed evaporative cooling coil pipe, cold water does not directly contact with air, but carry out indirect heat exchange through tube wall and the moisture film of pipe outer cladding, thereby alleviated the poor problem of high temperature cold water water quality of producing, the impact of simultaneously having avoided open system filling surface structure heat exchanging efficiency to cause.
2) band surface cooler of the present utility model pre-cold mould enclosed evaporative cooling handpiece Water Chilling Units arranges surface cooler after the air roughing efficiency air filter, to wet coolings such as outdoor air carry out, thereby can produce the inferior wet-bulb temperature high temperature cold water lower than outdoor air wet bulb temperature.
3) the pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units arranges filler in enclosed evaporative cooling coil pipe top, water-locator bottom, extend the time of contact of air water, increase gas-water contact area, thereby effectively trickle is carried out to precooling, filler makes water distribution even simultaneously, mixing wastewater with air is abundant, improves the caloic exchange efficiency.
4) the pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units arranges deflector in enclosed evaporative cooling coil pipe bottom, and air is carried out to current-sharing, makes the air at the evaporative cooling coil pipe evenly mix with water, improves efficiency of damp and hot exchanging.
The accompanying drawing explanation
Fig. 1 is the structural representation that the utility model band surface cooler pre-cold mould enclosed evaporative cooling handpiece Water Chilling Units adopts horizontal surface cooler embodiment;
Fig. 2 is the structural representation that adopts vertical surface cooler embodiment with surface cooler pre-cold mould enclosed evaporative cooling handpiece Water Chilling Units of the present utility model.
In figure, 1. water pump a, 2. water pump b, 3. surface cooler a, 4. air cleaner, 5. evaporative cooling coil pipe, 6. filler, 7. blower fan, 8. water fender, 9. water-locator, 10. deflector, 11. air conditioning terminals, 12. open tank, 13. surface cooler b, 14. outlet pipes, 15. water inlet pipes, 16. tube connectors.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units, include machine unit shell, be provided with enclosed evaporative cooling coil device in machine unit shell, the top of enclosed evaporative cooling coil device is disposed with water fender 8, blower fan 7, be provided with exhaust outlet on the roof of blower fan 7 corresponding machine unit shells, the bilateral symmetry of enclosed evaporative cooling coil device bottom is provided with surface cooler a3, surface cooler b13, the outer setting of machine unit shell has air conditioning terminal 11, enclosed evaporative cooling coil device, surface cooler a3, between surface cooler b13 and air conditioning terminal 11, by pipe network, connect.
The structure of enclosed evaporative cooling coil device is: include evaporative cooling coil pipe 5, the top of evaporative cooling coil pipe 5 is disposed with filler 6, water-locator 9, the bottom of evaporative cooling coil pipe 5 is disposed with deflector 10, air channel, open tank 12, open tank 12 is communicated with water-locator 9 by water pipe, is provided with water pump a1 on water pipe.
The upper end of evaporative cooling coil pipe 5 is water inlet end, and the lower end of evaporative cooling coil pipe 5 is water side.
The utility model provides following two kinds of embodiment:
Surface cooler a3 and surface cooler b13 adopt horizontal surface cooler, its structure as shown in Figure 1, the structure of horizontal surface cooler is: include cooler, on machine unit shell corresponding to the top of cooler, be provided with air inlet, be provided with air cleaner 4 between cooler and air inlet.
Surface cooler a3 and surface cooler b13 are symmetricly set in the two ends of deflector 10.
Surface cooler a3 and surface cooler b13 adopt vertical surface cooler, its structure as shown in Figure 2, the structure of vertical surface cooler is: include cooler, on the corresponding machine unit shell in cooler side, be provided with air inlet, be provided with air cleaner 4 between air inlet and cooler.
Surface cooler a3 and surface cooler b13 are symmetricly set in the both sides, air channel.
As shown in Figures 1 and 2, pipe network structure between enclosed evaporative cooling coil device, surface cooler a3, surface cooler b13 and air conditioning terminal 11 is: in enclosed evaporative cooling coil device, the water side of evaporative cooling coil pipe 5 is connected with outlet pipe 14, be provided with water pump b2 on outlet pipe 14, outlet pipe 14 other ends are connected with tube connector 16, and tube connector 16 other ends are connected with respectively water pipe G 1, water pipe G 2, water pipe G 3, water pipe G 1With surface cooler, a3 is connected, water pipe G 2By water pipe G 8With surface cooler, b13 is connected, water pipe G 3With air conditioning terminal 11, be connected, air conditioning terminal 11 is by water pipe G 4, water inlet pipe 15 is connected with the water inlet end of evaporative cooling coil pipe 5, surface cooler a3 is by water pipe G 5, water pipe G 6With water inlet pipe 15, be connected, surface cooler b13 is by water pipe G 7With water inlet pipe 15, be connected.
The pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units operation principle:
Outside air is entered in machine unit shell by two air inlets, first translateral air roughing efficiency air filter 4 filters, flow again precooling in translateral surface cooler a3 and surface cooler b13, air after precooling carries out current-sharing through deflector 10, then enter in enclosed evaporative cooling coil device, carry out the caloic exchange with the shower water moisture film of evaporative cooling coil pipe 5 outer claddings, the interior water of evaporative cooling coil pipe 5 is carried out to the indirect heat exchange cooling simultaneously, leave humid air stream after evaporative cooling coil pipe 5 through filler 6, water-locator 9 carries out precooling to its trickle, again through water fender 8, last blower fan 7 is discharged, the evaporative cooling coil pipe 5 interior cold water that complete cooling are delivered to air conditioning terminal 11 by pipe network and carry out cooling.
Wherein, deflector 10 can carry out current-sharing to air, and air is evenly mixed with water, improves refrigerating efficiency.The pre-cold filling 6 of shower water is set between evaporative cooling coil pipe 5 and water-locator 9, can extends humid air and recirculated water time of contact, increase gas-water contact area, and water distribution uniformity, refrigerating efficiency improved.
The pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units adopts closed system, and cold water is interior mobile at evaporative cooling coil pipe 5, by tube wall and the moisture film of pipe outer cladding, carries out indirect heat exchange, greatly reduces the generation of cold water dirt.
The wind system course of work with the pre-cold mould enclosed of surface cooler evaporative cooling handpiece Water Chilling Units of the present utility model:
Outside air is entered in machine unit shell by the both sides air inlet, first the air cleaner 4 by both sides filters, then enter surface cooler a3 and surface cooler b13 carries out precooling, precooling process such as is at the wet temperature-fall period, air after precooling carries out the wet exchange cooling of heat with the saturated moist air on open tank 12 tops in flow process, flow through again after deflector 10 current-sharings, entering evaporative cooling coil pipe 5 directly contacts and carries out the caloic exchange with the recirculated water moisture film of pipe outer cladding, and evaporative cooling coil pipe 5 inner cold waters are carried out to indirect heat exchange, complete the humid air stream of heat exchange through filler 6, carry out precooling by 9 pairs of recirculated waters of water-locator, through water fender 8, process again, finally by blower fan 7, discharged.
The pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units water system workflow:
(1) circulation:
Recirculated water in open tank 12 through water pump a1 and water pipe, carry out the caloic exchange in filler 6 surface with humid air and carry out precooling by spraying by water-locator 9, recirculated water after precooling is drenched to evaporative cooling coil pipe 5 by 6 of fillers, and be coated on the coil pipe outer wall and form the sealing moisture film, continue to carry out the caloic exchange with humid air simultaneously, and with evaporative cooling coil pipe 5 in cold water generation indirect heat exchange, get back in open tank 12 repetitive cycling finally by deflector 10.
(2) high temperature cold water water system:
Interior the produced high temperature cold water of evaporative cooling coil pipe 5 is divided into two parts after water pump b2, and a part enters surface cooler a3 and the surface cooler b13 in machine unit shell, and outdoor air is carried out to precooling; Another part is delivered to air conditioning terminal 11 through pipe network and is carried out heat exchange; The high temperature cold water that completes precooling in surface cooler a3 and surface cooler b13 after pipe network mixes, is delivered to the water inlet end of evaporative cooling coil pipe 5 with the high temperature cold water that completes heat exchange in air conditioning terminal 11, complete the exchange heat cooling in evaporative cooling coil pipe 5 after, and repetitive cycling.

Claims (8)

1.带表冷器预冷型闭式蒸发冷却冷水机组,其特征在于,包括有机组壳体,所述机组壳体内设置有闭式蒸发冷却盘管装置,所述闭式蒸发冷却盘管装置的上部依次设置有挡水板(8)、风机(7),所述风机(7)所对应的机组壳体的顶壁上设置有排风口,所述闭式蒸发冷却盘管装置下部的两侧对称设置有表冷器a(3)、表冷器b(13),所述机组壳体的外部设置有空调末端(11),所述闭式蒸发冷却盘管装置、所述表冷器a(3)、所述表冷器b(13)及所述空调末端(11)之间通过管网连接。1. The pre-cooling type closed evaporative cooling water chiller with a surface cooler is characterized in that it includes an organic unit casing, and a closed evaporative cooling coil device is arranged in the unit casing, and the closed evaporative cooling coil device The upper part of the closed-type evaporative cooling coil device is provided with a water baffle (8) and a fan (7) in sequence. The surface cooler a (3) and the surface cooler b (13) are arranged symmetrically on both sides. The cooler a (3), the surface cooler b (13) and the air conditioner terminal (11) are connected through a pipe network. 2.按照权利要求1所述的带表冷器预冷型闭式蒸发冷却冷水机组,其特征在于,所述闭式蒸发冷却盘管装置的结构为:包括有蒸发冷却盘管(5),所述蒸发冷却盘管(5)的上部依次设置有填料(6)、布水器(9),所述蒸发冷却盘管(5)的下部依次设置有导流板(10)、风道及开式水箱(12),所述开式水箱(12)通过水管与所述布水器(9)连通,所述水管上设置有水泵a(1)。2. The precooling type closed evaporative cooling water chiller with surface cooler according to claim 1, characterized in that, the structure of the closed evaporative cooling coil device is: including an evaporative cooling coil (5), The upper part of the evaporative cooling coil (5) is provided with fillers (6) and water distributors (9) in sequence, and the lower part of the evaporative cooling coil (5) is provided with deflectors (10), air ducts and An open water tank (12), the open water tank (12) communicates with the water distributor (9) through a water pipe, and a water pump a (1) is arranged on the water pipe. 3.按照权利要求2所述的带表冷器预冷型闭式蒸发冷却冷水机组,其特征在于,所述蒸发冷却盘管(5)的上端为进水端,所述蒸发冷却盘管(5)的下端为出水端。3. The precooling type closed evaporative cooling chiller with surface cooler according to claim 2, characterized in that the upper end of the evaporative cooling coil (5) is the water inlet end, and the evaporative cooling coil ( 5) The lower end is the water outlet. 4.按照权利要求1所述的带表冷器预冷型闭式蒸发冷却冷水机组,其特征在于,所述表冷器a(3)和所述表冷器b(13)采用卧式表冷器,所述卧式表冷器的结构为:包括有冷却器,所述冷却器的顶部对应的机组壳体上设置有进风口,所述冷却器与所述进风口之间设置有空气过滤器(4)。4. The precooling type closed evaporative cooling chiller with surface cooler according to claim 1, characterized in that the surface cooler a (3) and the surface cooler b (13) adopt horizontal surface The structure of the horizontal surface cooler is as follows: it includes a cooler, an air inlet is provided on the unit casing corresponding to the top of the cooler, and an air inlet is arranged between the cooler and the air inlet. filter (4). 5.按照权利要求4所述的带表冷器预冷型闭式蒸发冷却冷水机组,其特征在于,所述表冷器a(3)和所述表冷器b(13)对称设置于所述导流板(10)的两端。5. The pre-cooled closed-type evaporative cooling chiller with surface cooler according to claim 4, characterized in that the surface cooler a (3) and the surface cooler b (13) are symmetrically arranged on the The two ends of the deflector (10). 6.按照权利要求1所述的带表冷器预冷型闭式蒸发冷却冷水机组,其特征在于,所述表冷器a(3)和所述表冷器b(13)采用立式表冷器,所述立式表冷器的结构为:包括有冷却器,所述冷却器侧面所对应的机组壳体上设置有进风口,所述进风口与所述冷却器之间设置有空气过滤器(4)。6. The pre-cooled closed evaporative cooling water chiller with surface cooler according to claim 1, characterized in that the surface cooler a (3) and the surface cooler b (13) adopt vertical surface The structure of the vertical surface cooler is as follows: it includes a cooler, an air inlet is provided on the unit casing corresponding to the side of the cooler, and an air inlet is arranged between the air inlet and the cooler. filter (4). 7.按照权利要求6所述的带表冷器预冷型闭式蒸发冷却冷水机组,其特征在于,所述表冷器a(3)和所述表冷器b(13)对称设置于所述风道两侧。7. The pre-cooled closed-type evaporative cooling water chiller with a surface cooler according to claim 6, wherein the surface cooler a (3) and the surface cooler b (13) are symmetrically arranged on the on both sides of the air duct. 8.按照权利要求1或3所述的带表冷器预冷型闭式蒸发冷却冷水机组,其特征在于,所述闭式蒸发冷却盘管装置、表冷器a(3)、表冷器b(13)及空调末端(11)之间的管网结构为:所述闭式蒸发冷却盘管装置内蒸发冷却盘管(5)的出水端连接有出水管(14),所述出水管(14)上设置有水泵b(2),所述出水管(14)另一端连接有连接管(16),所述连接管(16)另一端分别连接有水管G1、水管G2、水管G3,所述水管G1与所述表冷器a(3)连接,所述水管G2通过水管G8与所述表冷器b(13)连接,所述水管G3与所述空调末端(11)连接,所述空调末端(11)通过水管G4、进水管(15)与所述蒸发冷却盘管(5)的进水端连接,所述表冷器a(3)通过水管G5、水管G6与所述进水管(15)连接,所述表冷器b(13)通过水管G7与所述进水管(15)连接。8. The precooling type closed evaporative cooling water chiller with surface cooler according to claim 1 or 3, characterized in that the closed evaporative cooling coil device, surface cooler a (3), surface cooler The pipe network structure between b (13) and the air conditioner terminal (11) is: the water outlet end of the evaporative cooling coil (5) in the closed evaporative cooling coil device is connected to the water outlet pipe (14), and the water outlet pipe (14) is provided with a water pump b (2), the other end of the outlet pipe (14) is connected to a connecting pipe (16), and the other end of the connecting pipe (16) is respectively connected to a water pipe G 1 , a water pipe G 2 , and a water pipe G 3 , the water pipe G 1 is connected to the surface cooler a (3), the water pipe G 2 is connected to the surface cooler b (13) through the water pipe G 8 , and the water pipe G 3 is connected to the air conditioner The end (11) is connected, the air conditioner end (11) is connected to the water inlet end of the evaporative cooling coil (5) through the water pipe G 4 and the water inlet pipe (15), and the surface cooler a (3) is connected through the water pipe G 5 and water pipe G 6 are connected to the water inlet pipe ( 15 ), and the surface cooler b ( 13 ) is connected to the water inlet pipe ( 15 ) through water pipe G 7 .
CN 201220668640 2012-12-04 2012-12-04 Precooling type closed evaporative cooling chiller with surface cooler Expired - Fee Related CN202955810U (en)

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CN104964361A (en) * 2015-06-25 2015-10-07 陕西优斯达环境科技有限公司 Combined type water evaporation water chilling unit
CN105485806A (en) * 2015-11-11 2016-04-13 田志坚 Evaporative air conditioning device with high energy efficiency ratio
CN105914615A (en) * 2016-05-13 2016-08-31 宁波高新区天视光电科技有限公司 Switching room monitoring alarm system
CN107477748A (en) * 2017-10-05 2017-12-15 祝大顺 The fresh air cold water all-in-one of sweat cooling and mechanical refrigeration cooperation
CN109114711A (en) * 2018-07-21 2019-01-01 青岛奥利凯中央空调有限公司 Central air-conditioning paddy electricity accumulation of energy control system and its method
CN109855218A (en) * 2019-02-25 2019-06-07 昆山台佳机电有限公司 Integrated enclosed evaporates cooling-condensation water cooler
CN110118401A (en) * 2018-10-24 2019-08-13 新疆绿色使者空气环境技术有限公司 The indirect-evaporation cooling device of enclosed pre-cooling
CN112066755A (en) * 2020-10-15 2020-12-11 广东良研冷暖设备科技有限公司 Cross flow closed cooling tower
CN112781397A (en) * 2020-01-13 2021-05-11 翀鼎科技(上海)有限公司 Water film type cooling unit

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* Cited by examiner, † Cited by third party
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CN104964361B (en) * 2015-06-25 2019-05-14 陕西优斯达环境科技有限公司 Combined-type water evaporates water cooler
CN104964361A (en) * 2015-06-25 2015-10-07 陕西优斯达环境科技有限公司 Combined type water evaporation water chilling unit
CN105485806A (en) * 2015-11-11 2016-04-13 田志坚 Evaporative air conditioning device with high energy efficiency ratio
CN105914615A (en) * 2016-05-13 2016-08-31 宁波高新区天视光电科技有限公司 Switching room monitoring alarm system
CN105914615B (en) * 2016-05-13 2018-01-16 宁波高新区天视光电科技有限公司 A kind of monitoring and alarming system of switchgear house
CN107477748A (en) * 2017-10-05 2017-12-15 祝大顺 The fresh air cold water all-in-one of sweat cooling and mechanical refrigeration cooperation
CN109114711A (en) * 2018-07-21 2019-01-01 青岛奥利凯中央空调有限公司 Central air-conditioning paddy electricity accumulation of energy control system and its method
CN110118401A (en) * 2018-10-24 2019-08-13 新疆绿色使者空气环境技术有限公司 The indirect-evaporation cooling device of enclosed pre-cooling
CN110118401B (en) * 2018-10-24 2024-12-10 新疆绿色使者空气环境技术有限公司 Indirect evaporative cooling device with closed precooling
CN109855218A (en) * 2019-02-25 2019-06-07 昆山台佳机电有限公司 Integrated enclosed evaporates cooling-condensation water cooler
CN112781397A (en) * 2020-01-13 2021-05-11 翀鼎科技(上海)有限公司 Water film type cooling unit
CN112781397B (en) * 2020-01-13 2023-08-18 翀鼎科技(上海)有限公司 Water film type cooling unit
CN112066755A (en) * 2020-10-15 2020-12-11 广东良研冷暖设备科技有限公司 Cross flow closed cooling tower

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