WO2024087789A1 - Distributeur de liquide à rideau humide et refroidisseur à évaporation comprenant celui-ci - Google Patents

Distributeur de liquide à rideau humide et refroidisseur à évaporation comprenant celui-ci Download PDF

Info

Publication number
WO2024087789A1
WO2024087789A1 PCT/CN2023/111322 CN2023111322W WO2024087789A1 WO 2024087789 A1 WO2024087789 A1 WO 2024087789A1 CN 2023111322 W CN2023111322 W CN 2023111322W WO 2024087789 A1 WO2024087789 A1 WO 2024087789A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid distribution
liquid
wet curtain
distribution tank
liquid distributor
Prior art date
Application number
PCT/CN2023/111322
Other languages
English (en)
Chinese (zh)
Inventor
张驰
柳洲
梁浩
李文龙
单敬伟
Original Assignee
珠海格力电器股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Publication of WO2024087789A1 publication Critical patent/WO2024087789A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/04—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation

Definitions

  • the present application relates to the technical field of refrigeration equipment, and in particular to a wet curtain liquid distributor and an evaporative cooler comprising the same.
  • Humidity like temperature, is an important factor in determining the air environment, and is of great significance to people's quality of life, working environment and industrial production.
  • Wet film evaporative humidification is one of the important working principles of current mainstream humidifiers such as cold fans, evaporative humidifiers, and humidifying heaters. Water is evenly sprayed on the wet curtain through a liquid distributor, and the negative pressure suction generated by the rotation of the fan wheel at the air inlet is used to exchange the moisture in the wet curtain with the dry airflow in the air, vaporizing and evaporating into high-humidity air to achieve the purpose of humidification and cooling.
  • the wet curtain is the main component of the wet film evaporative humidification system.
  • the design of the liquid distribution system directly affects the uniformity of the liquid flow on the surface of the wet curtain, thereby affecting the effective evaporation area and evaporation amount of the wet curtain, and further affecting the humidification amount of the humidification system.
  • the liquid distribution system in the prior art uses a circulating water pump and a water pipe to continuously add water to the liquid distribution tank. Water flows out from the drain hole in the liquid distribution tank and drips onto the wet curtain for liquid distribution.
  • the present application provides a wet curtain liquid distributor and an evaporative cooler including the same, which solve the problems of uneven water discharge in the liquid distribution holes of the existing liquid distributor solution, the phenomenon of hole clogging of the liquid distribution holes of the existing liquid distributor due to the surface tension of the liquid, and the phenomenon of liquid surface adhesion on the outlet surface of the liquid distribution holes of the existing liquid distributor.
  • the first aspect of the present application provides a wet curtain liquid distributor, comprising an inlet pipe, a liquid distributor tank and a liquid distributor tank.
  • the water outlet hole at the bottom wherein a diverter plate is arranged in the liquid distribution trough along the length direction of the liquid distribution trough, and the liquid distribution trough is divided into an upper first-level liquid distribution trough and a lower second-level liquid distribution trough by the diverter plate.
  • the inlet pipe with an inner diameter of D is arranged above the first-level liquid distribution trough, and the lower pipe mouth of the inlet pipe extends to the open interior of the liquid distribution trough.
  • a rectifier for pressure relief and diversion is arranged in the first-level liquid distribution trough directly below the inlet pipe.
  • the rectifier is formed into two arc surfaces in the axial direction, the diameter of the first arc surface is D1, the diameter of the second arc surface is D2, and 0 ⁇ D1 ⁇ D ⁇ D2.
  • the rectifier is provided with a plurality of rectifier plates, and the rectifier plates are distributed in a circumferential direction starting from the middle of the rectifier.
  • the bottom surface of the primary liquid distribution tank is provided with a certain downward slope in the direction extending from the middle position to both sides, and the slope surface forms an angle ⁇ with the horizontal plane.
  • the angle ⁇ between the slope surface and the horizontal plane is in the range of 0 ⁇ 5°.
  • the radial width of the first-level liquid distribution tank at the water lowering position is L, and the radial width in the extending direction on both sides is L1, then 1/3 ⁇ L1/L ⁇ 1.
  • the water outlet holes are arranged at the bottom of the secondary liquid distribution tank, wherein the distance between adjacent water outlet holes is set to a, and a ⁇ 10 mm.
  • an inverted triangular overflow port is provided on the diverter plate, and a vertically arranged partition is provided between each two adjacent inverted triangular overflow ports, the upper edge of the partition is flush with the upper edge of the diverter plate, and the lower edge of the partition is provided at the bottom of the secondary liquid distribution tank.
  • the overflow port is in the shape of an inverted triangle, a U-shape, a trapezoid or a square.
  • the relative height of the lower vertex O of the overflow outlet from the bottom surface of the first-level liquid distribution tank is h, and according to the actual water discharge situation, the relative height of the lower vertex O of the overflow outlet from the bottom surface of the first-level liquid distribution tank is adjusted to h1, and
  • the relative distance between the lower vertex O of the overflow port and the upper edge of the diverter plate is H, and H ⁇ 3 mm.
  • an overflow column is further provided at the bottom of the secondary liquid distribution tank, an overflow hole is provided inside the overflow column, and the upper end surface of the overflow column is lower than the overall side wall height of the liquid distribution tank and higher than the upper end surface of the diverter plate.
  • the overflow ports correspond to the water outlets one by one or a single overflow port corresponds to multiple water outlets.
  • a water outlet corresponds to the overflow ports.
  • the water outlet hole at the bottom of the secondary liquid distribution tank is a straight hole structure with consistent upper and lower dimensions, or a conical structure with a cross section that converges from top to bottom, and its taper angle ⁇ is 0° ⁇ 15°.
  • the minimum side length of the cross section of the water outlet of the water outlet is c, and c ⁇ 1 mm.
  • the water outlet hole extends out of the bottom surface of the liquid distribution tank, and the extension length is b ⁇ 1mm.
  • the lower surface of the water outlet hole is a beveled structure, and the beveled surface forms a relative angle ⁇ with the bottom surface of the liquid distribution tank.
  • a second aspect of the present application provides an evaporative cooling device, comprising the wet curtain liquid distributor described above.
  • the wet curtain liquid distributor of the present application effectively improves the problem of uneven liquid distribution in the existing liquid distributor solution when the lateral span is large, and can improve the phenomena of water film clogging of the liquid distribution holes and liquid surface adhesion caused by liquid surface tension, thereby improving the overall water distribution uniformity of the liquid distributor, thereby improving the overall humidification capacity of the humidification system.
  • FIG1 shows an overall schematic diagram of a wet curtain liquid distributor according to the present application
  • FIG2 shows a top view of the wet curtain liquid distributor in FIG1 ;
  • FIG3 shows a schematic front cross-sectional structure diagram of a primary liquid distributing tank of the wet curtain liquid distributing device in FIG1 ;
  • FIG4 shows a schematic front cross-sectional structure diagram of the secondary liquid distribution tank of the wet curtain liquid distributor in FIG1 ;
  • FIG5 shows a schematic diagram of the side cross-sectional structure at B-B in FIG4 ;
  • FIG6 shows a schematic diagram of the side cross-sectional structure at A-A in FIG4 ;
  • FIG. 7 shows a simulation comparison diagram of the wet curtain liquid distributor solution of the present application.
  • the first aspect of the present application provides a wet curtain liquid distributor, including an inlet pipe 1, a liquid distribution tank 3 and a water outlet 6 located at the bottom of the liquid distribution tank 3, wherein a diverter plate 4 is arranged in the liquid distribution tank 3 along the length direction of the liquid distribution tank 3, and the liquid distribution tank 3 is divided into an upper first-level liquid distribution tank 31 and a lower second-level liquid distribution tank 32 by the diverter plate 4.
  • the first-level liquid distribution tank 31 When the first-level liquid distribution tank 31 is filled with water, it will flow through the diverter plate 4 and overflow into the second-level liquid distribution tank 32.
  • the wet curtain liquid distributor of the present application sets a two-level water diversion channel in the liquid distribution tank, utilizes the height of the diverter plate to store water in the first-level liquid distribution tank, and converts the kinetic energy of the uneven water distribution into water storage potential energy. Then, when the water storage height exceeds the diverter plate, the potential energy is converted into kinetic energy with relatively uniform lateral distribution and overflows into the second-level liquid distribution tank, thereby improving the uniformity of initial water discharge in the second-level liquid distribution tank.
  • the upper surface of the liquid distribution tank 3 is an open structure
  • the inlet pipe 1 with an inner diameter of D is arranged above the first-level liquid distribution tank 31
  • the lower pipe opening of the inlet pipe extends to the open interior of the liquid distribution tank 3
  • a rectifier 2 for pressure relief and diversion is arranged in the first-level liquid distribution tank 31 directly below the inlet pipe 1. The water flowing out of the inlet pipe 1 first flows through the rectifier 2 for pressure relief and diversion, and then flows into the interior of the first-level liquid distribution tank 31.
  • the rectifier 2 in the present application is a flow guiding structure for guiding and diverting the flow direction of water.
  • the upper surface of the liquid distribution tank 3 may also be a non-open structure.
  • the rectifier 2 is formed into two arc surfaces in its axial direction, the diameter of the first arc surface 21 is D1, the diameter of the second arc surface 22 is D2, and 0 ⁇ D1 ⁇ D ⁇ D2.
  • D1 the diameter of the first arc surface 21
  • D2 the diameter of the second arc surface 22
  • 0 ⁇ D1 ⁇ D ⁇ D2 the diameter of the first arc surface 21
  • D2 the diameter of the second arc surface 22
  • 0 ⁇ D1 ⁇ D ⁇ D2 0 ⁇ D1 ⁇ D ⁇ D2.
  • the rectifier 2 is a cylindrical structure, which includes a rectifying section, the rectifying section having a first arc surface 21 and a second arc surface 22.
  • the cross-sectional area corresponding to the cross section of the rectifying section is The column structure also includes a connecting section, which is located below the rectifying section.
  • the connecting section is a uniform cross-section structure.
  • the rectifier 2 is provided with a plurality of rectifier plates 23, and the rectifier plates 23 are distributed in a circumferential direction along the circumference of the rectifier 2.
  • the inflow can be diverted in multiple directions around, thereby further reducing the local water pressure at the water discharge position and improving the rectifying effect of the rectifier.
  • the bottom surface of the first-level liquid distribution tank 31 is provided with a certain downward slope in the direction extending from the middle position to both sides, and the slope surface forms an angle ⁇ with the horizontal plane, preferably, 0 ⁇ 5°. More preferably, the liquid distribution bottom surface 311 of the first-level liquid distribution tank can be set as an inclined plane, and can also be preferably set as an arc transition surface.
  • the liquid distribution uniformity of the first-level liquid distribution trough can be improved.
  • the liquid flow momentum at the water discharge position is the largest and the flow rate is the highest.
  • the momentum loss causes the flow rate to decrease, which will cause the liquid level at the position opposite the water discharge port to be higher than the liquid levels on both sides, and overflow to the lower-level liquid trough in advance, affecting the final liquid distribution effect;
  • the inclined structure can use the potential energy generated by the liquid level difference in the process of diversion on both sides to enhance the liquid distribution kinetic energy and increase the flow rate of water distribution to both sides, so that the liquid level height in the middle of the first-level liquid distribution trough is consistent with that on both sides, thereby improving the liquid distribution uniformity.
  • the radial width of the first-level liquid distribution tank 31 at the water-down position is L, and the radial width of the two-side extension direction is L1, then 1/3 ⁇ L1/L ⁇ 1.
  • the liquid height growth rate at the water-down position can be slowed down, and the width of the water-down position is larger than the liquid distribution width on both sides, which can increase the water pressure on both sides of the liquid distribution, thereby increasing the flow rate of the liquid distribution on both sides, and further improving the liquid distribution uniformity of the first-level liquid distribution tank;
  • by reducing the liquid distribution width on both sides the volume of the first-level liquid distribution tank can be reduced to a certain extent, so that a circulating water pump with a smaller flow rate can be selected, saving product development costs.
  • the water outlet holes 6 are arranged at the bottom of the secondary liquid distribution tank 32, wherein the spacing between adjacent water outlet holes 6 is set to a, and a ⁇ 10mm.
  • the spacing between adjacent water outlet holes depends on the distribution of wet curtain corrugation density, and the best humidification effect can be achieved by corresponding to the spacing of wet curtain corrugation distribution.
  • the spacing between adjacent drainage holes should not be too small, because the relative flow velocity at the drainage port is relatively large, and the pressure at this position is relatively small, and there is tension between the liquids. If the spacing is too small, it will be affected by the pressure and tension on both sides, and the liquid surface will adhere at the drainage position, thereby affecting the local drainage uniformity.
  • the diverter plate 4 is provided with an inverted triangular overflow port 41 , and a vertically arranged partition plate 322 is arranged between each two adjacent inverted triangular overflow ports 41 .
  • the upper edge of the trough 32 is flush with the upper edge of the diverter plate 4, and the lower edge is arranged at the bottom of the secondary liquid distribution tank 32.
  • the overflow port 41 and the water outlet hole 6 may correspond one to one or a single overflow port may correspond to multiple water outlet holes.
  • the diverter plate overflow preferably has a triangular structure to suppress the generation of liquid film by liquid surface tension, but it is not limited to a triangle scheme, and U-shaped, trapezoidal, square and other similar structures can also be selected; in addition, the effective range of a single overflow of the diverter plate is not limited to one drain outlet, and the liquid distribution effect will gradually deteriorate with the increase in the number of outlet holes.
  • the relative height of the lower vertex O of the overflow port 41 from the liquid distributing bottom surface 311 of the first-level liquid distributing tank is h, and according to the actual water discharge situation, the relative height of the lower vertex O of the overflow port 41 from the liquid distributing bottom surface of the first-level liquid distributing tank can be adjusted to h1, and
  • the relative height of each overflow port is not fixed, and each position can be fine-tuned according to the actual water discharge situation, but based on the high sensitivity of the waterway, the adjustment size should not be too large, so the adjustment range is limited, and
  • the overflow port 41 preferably the lower vertex O of the triangular overflow port, is at a relative distance H from the upper edge of the diverter plate 4, and H ⁇ 3 mm.
  • the relative distance between the overflow port and the upper edge of the diverter plate, that is, the longitudinal upper span of the overflow port, is due to the tension of water itself and the characteristics of wall-attached flow. If the overflow port height is too low, it will cause the adjacent positions to stick together and flow out, thereby reducing the flow rate of individual hole positions.
  • an overflow column 5 is also provided at the bottom of the secondary liquid distribution tank 32, and an overflow hole is provided inside the overflow column 5.
  • the upper end surface of the overflow column 5 is lower than the overall side wall height of the liquid distribution tank 3 and higher than the upper end surface of the diverter plate 4, thereby preventing the overflow phenomenon caused by the liquid level exceeding the upper edge of the side wall of the liquid distribution tank when the water flow rate is too large and the water flow rate of the liquid distribution tank is lower than the water injection flow rate.
  • the water outlet hole 6 at the bottom of the secondary liquid distribution tank 32 can be a straight hole structure with the same size from top to bottom, or a conical structure with a cross section that is inward from top to bottom, and the taper angle ⁇ of the conical structure is 0° ⁇ 15°.
  • the straight hole structure can also play a role in water discharge, but the conical hole is more conducive to the water discharge trend, thereby avoiding the occurrence of tension hole blocking.
  • the minimum side length of the cross section of the water outlet of the water outlet 6 is c, and c ⁇ 1mm. If the size is too small, it will be easier to form a liquid film at the water outlet and cause the hole to be blocked, so c ⁇ 1mm is preferably used.
  • the water outlet hole 6 will extend out of the bottom surface of the liquid distribution tank 3, the extension length is b ⁇ 1mm, and the lower surface of the water outlet hole is a beveled structure, and the beveled surface forms a relative angle ⁇ with the bottom surface of the liquid distribution tank.
  • the fluid has a wall-attached flow phenomenon, if the hole position is flush with the lower surface, it is easy to cause the water flow to flow to both sides along the lower surface of the liquid distribution tank, thereby Water adhesion with adjacent holes occurs, resulting in uneven local water discharge; in addition, making the drain outlet beveled can enhance the flow trend of the drain outlet along the beveled long wall side to flow vertically downward, thereby effectively improving the problem of uneven water distribution caused by tension blockage and liquid surface adhesion.
  • the second aspect of the present application provides an evaporative cooling device, comprising the wet curtain liquid distributor described above, and therefore, also having all the advantages or beneficial effects of the wet curtain liquid distributor described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Air Humidification (AREA)

Abstract

La présente demande concerne un distributeur de liquide à rideau humide et un refroidisseur à évaporation comprenant celui-ci. Le distributeur de liquide à rideau humide comprend un tuyau d'entrée, un réservoir de distribution de liquide et des trous de sortie d'eau situés au fond du réservoir de distribution de liquide, une plaque de division d'écoulement étant disposée dans le réservoir de distribution de liquide dans une direction longitudinale du réservoir de distribution de liquide, de sorte que le réservoir de distribution de liquide est divisé par la plaque de division d'écoulement en un réservoir de distribution de liquide primaire situé au niveau de la partie supérieure et un réservoir de distribution de liquide secondaire situé au niveau de la partie inférieure, et après le débordement de l'eau introduite dans le réservoir de distribution de liquide primaire, l'eau s'écoule à travers la plaque de division d'écoulement et déborde vers le réservoir de distribution de liquide secondaire. Le distributeur de liquide à rideau humide selon la présente demande résout efficacement le problème des solutions de distributeur de liquide existantes de la distribution et du drainage de liquide même lorsque la portée transversale dans la solution d'un distributeur de liquide existant est importante, et peut atténuer les problèmes de blocage de trou de film d'eau, d'adhérence de surface de liquide et ainsi de suite de trous de distribution de liquide provoqués par la tension de surface de liquide de sorte à améliorer l'uniformité de distribution d'eau globale du distributeur de liquide, ce qui permet d'améliorer la capacité d'humidification globale d'un système d'humidification.
PCT/CN2023/111322 2022-10-28 2023-08-04 Distributeur de liquide à rideau humide et refroidisseur à évaporation comprenant celui-ci WO2024087789A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211338216.XA CN115597153A (zh) 2022-10-28 2022-10-28 湿帘布液器及包含其的蒸发冷却器
CN202211338216.X 2022-10-28

Publications (1)

Publication Number Publication Date
WO2024087789A1 true WO2024087789A1 (fr) 2024-05-02

Family

ID=84851588

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/111322 WO2024087789A1 (fr) 2022-10-28 2023-08-04 Distributeur de liquide à rideau humide et refroidisseur à évaporation comprenant celui-ci

Country Status (2)

Country Link
CN (1) CN115597153A (fr)
WO (1) WO2024087789A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115597153A (zh) * 2022-10-28 2023-01-13 珠海格力电器股份有限公司（Cn） 湿帘布液器及包含其的蒸发冷却器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103028355A (zh) * 2012-12-24 2013-04-10 天津市创举化工设备有限公司 一种全溢流槽式液体分布器
CN207299621U (zh) * 2017-09-08 2018-05-01 山东格瑞德集团有限公司 一种布液器及降膜蒸发器
CN208260227U (zh) * 2018-03-16 2018-12-21 江苏金氟隆防腐设备有限公司 一种聚四氟乙烯液体分布器
CN110270118A (zh) * 2019-07-12 2019-09-24 东华大学 一种水平降膜布液器
CN110615493A (zh) * 2019-10-24 2019-12-27 大连理工大学 一种带有导管的喷淋板式布液器
CN115597153A (zh) * 2022-10-28 2023-01-13 珠海格力电器股份有限公司（Cn） 湿帘布液器及包含其的蒸发冷却器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103028355A (zh) * 2012-12-24 2013-04-10 天津市创举化工设备有限公司 一种全溢流槽式液体分布器
CN207299621U (zh) * 2017-09-08 2018-05-01 山东格瑞德集团有限公司 一种布液器及降膜蒸发器
CN208260227U (zh) * 2018-03-16 2018-12-21 江苏金氟隆防腐设备有限公司 一种聚四氟乙烯液体分布器
CN110270118A (zh) * 2019-07-12 2019-09-24 东华大学 一种水平降膜布液器
CN110615493A (zh) * 2019-10-24 2019-12-27 大连理工大学 一种带有导管的喷淋板式布液器
CN115597153A (zh) * 2022-10-28 2023-01-13 珠海格力电器股份有限公司（Cn） 湿帘布液器及包含其的蒸发冷却器

Also Published As

Publication number Publication date
CN115597153A (zh) 2023-01-13

Similar Documents

Publication Publication Date Title
WO2024087789A1 (fr) Distributeur de liquide à rideau humide et refroidisseur à évaporation comprenant celui-ci
CN105258549B (zh) 一种水循环蒸发换热冷却式冷凝器
CN206572984U (zh) 风冷复合蒸发冷却的闭式冷却塔
CN104457040A (zh) 一种喷淋降膜式蒸发器及其液位控制方法
CN204718480U (zh) 一种冷却塔配水系统及冷却塔
CN105066734A (zh) 一种复合式冷却塔
CN104596003B (zh) 空调水蓄冷系统布水装置
CN106969555A (zh) 冷媒分配器以及降膜蒸发器
CN217737945U (zh) 多播水系统的横流冷却塔
CN218033490U (zh) 加湿组件及家用电器
CN104880118A (zh) 一种冷却塔配水系统、冷却塔及冷却塔配水方法
CN106918266A (zh) 一种引流扩散变流量喷头
WO2023231321A1 (fr) Buse à débit variable équilibrée pour tour à écoulement transversal
CN219036942U (zh) 湿帘布液器及包含其的蒸发冷却器
CN104406334A (zh) 一种喷淋降膜式蒸发器及其液位控制方法
CN219454823U (zh) 重力式冷却塔变流量水调节系统
CN201803605U (zh) 多边形逆流式冷却塔
CN209116802U (zh) 一种多工况双面进风横流闭式冷却塔
CN201242253Y (zh) 立管式露点间接蒸发冷却器
CN115682818A (zh) 重力式冷却塔变流量水调节系统
CN208419037U (zh) 管内布水的换热装置
CN115183597A (zh) 多播水系统的横流冷却塔
CN107655360A (zh) 冷却塔布水装置及冷却塔
CN211290668U (zh) 分水盒、风扇
CN208382635U (zh) 一种水平管降膜蒸发器用换热器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23881375

Country of ref document: EP

Kind code of ref document: A1