CN209820195U - Evaporative cooling heat exchanger - Google Patents
Evaporative cooling heat exchanger Download PDFInfo
- Publication number
- CN209820195U CN209820195U CN201920499453.1U CN201920499453U CN209820195U CN 209820195 U CN209820195 U CN 209820195U CN 201920499453 U CN201920499453 U CN 201920499453U CN 209820195 U CN209820195 U CN 209820195U
- Authority
- CN
- China
- Prior art keywords
- water
- inner cylinder
- heat exchanger
- evaporative cooling
- cooling heat
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an evaporative cooling heat exchanger, which comprises an inner cylinder, an outer cylinder and a driving motor; the inner cylinder is arranged in the outer cylinder, and a first heat exchange channel is formed between the outer cylinder and the inner cylinder; the driving motor is connected with the inner cylinder through a rotating shaft penetrating through the bottom of the outer cylinder; the side surface of the inner cylinder is provided with a plurality of through holes, the top surface of the inner cylinder is provided with a water inlet pipe, and blades which are crossed with the water flow direction are arranged in the inner cylinder; the side of urceolus is equipped with the air intake, and the top surface of urceolus is equipped with the air outlet. This application is rotatory through driving motor control, sets up the blade in the inner tube, adopts the mode of striking to produce water smoke with the water droplet in the inner tube, and the water smoke that produces through the blade striking still can get into first heat transfer passageway through the through-hole to collide with the urceolus inner wall, produce new water smoke in first heat transfer passageway, and take place the heat and moisture exchange in the air that flows through first heat transfer passageway. Air, water smoke and water droplet take place the rotatory flow in the evaporation cooling heat exchanger, increase gas-liquid area of contact and heat and moisture exchange efficiency, have effectively promoted cooling efficiency.
Description
Technical Field
The utility model relates to a refrigeration air conditioner field, in particular to evaporation cooling heat exchanger.
Background
The evaporative cooling technology is a technology for absorbing heat and refrigerating by utilizing water evaporation. The water has the evaporation capacity in the air, and under the condition of no other heat source, the heat and moisture exchange process between the water and the air is that the air transfers the apparent heat to the water, so that the temperature of the air is reduced; due to the evaporation of water, the moisture content of the air is increased, and the water vapor entering the air carries back some latent heat of vaporization; when the two heats are equal, the water temperature reaches the wet bulb temperature of the air. As long as the air is not saturated, the effect of cooling can be obtained by directly utilizing circulating water or spraying air through a filler layer. When the conditions allow, the air after cooling can be used as air supply to reduce the room temperature, and the method for treating the air is called as an evaporative cooling technology and has the characteristics of environmental protection, high efficiency, economy and the like.
At present, direct evaporative cooling mainly comprises a filling type and a spraying evaporative cooling type. Wherein, the filling type direct evaporation cooling efficiency is low and the volume is large. The spray type evaporative cooling has higher requirement on water quality, is easy to generate scaling and blockage, and has low efficiency.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of above-mentioned technical defect and application demand, this application provides an evaporation cooling heat exchanger to when promoting cooling efficiency, avoid high pressure spraying or spray to produce the problem of jam.
(II) technical scheme
In order to solve the above problem, the utility model provides an evaporative cooling heat exchanger, evaporative cooling heat exchanger includes: the device comprises an inner cylinder, an outer cylinder and a driving motor; the inner cylinder is arranged in the outer cylinder, and a first heat exchange channel is formed between the outer cylinder and the inner cylinder; the driving motor is connected with the inner cylinder through a rotating shaft penetrating through the bottom of the outer cylinder; the side surface of the inner cylinder is provided with a plurality of through holes, the top surface of the inner cylinder is provided with a water inlet pipe, and blades which are crossed with the water flow direction are arranged in the inner cylinder; the side of urceolus is equipped with the air intake, the top surface of urceolus is equipped with the air outlet.
Furthermore, an air inlet is formed in the bottom surface of the inner barrel, an air outlet is formed in the top surface of the inner barrel, and the air outlet of the inner barrel and the air outlet of the outer barrel are correspondingly arranged, so that a second heat exchange channel is formed in the inner barrel.
Furthermore, the number of the blades is multiple, and the second heat exchange channel is divided into a plurality of heat exchange units which are communicated in sequence through the blades.
Further, the rotating shaft passes through the bottom surface of the inner cylinder and extends and is fixed to the top surface of the inner cylinder; the blades are fixed on the rotating shaft or on the side wall in the inner cylinder, and can rotate and impact water into water mist.
Furthermore, a water absorbing and permeating layer is attached to the inner side wall of the inner barrel.
Further, the bottom of urceolus is equipped with the drain pipe, the end setting of intaking of drain pipe is in the lowest position of urceolus bottom.
Further, the evaporative cooling heat exchanger further comprises: and the water outlet end of the drain pipe is communicated with the water tank.
Further, the evaporative cooling heat exchanger further comprises: the water inlet end of the water inlet pipe is communicated with the water pump, and the water pump is communicated with the drain pipe through the water tank.
Furthermore, the inner cylinder and the outer cylinder are both hollow cylinder structures, and the inner cylinder rotates around the rotating shaft to enable water flowing out of the through hole to impact the outer cylinder under the action of centrifugal force to generate water mist.
Further, the evaporative cooling heat exchanger further comprises: and the fan is arranged at the air outlet of the outer barrel.
(III) advantageous effects
The utility model provides an evaporative cooling heat exchanger, it is rotatory through driving motor control, set up the blade in the inner tube, the water droplet in with the inner tube adopts the mode production water smoke of striking to carry out the heat transfer through the through-hole with water smoke in first heat transfer passageway, make air, water smoke and water droplet take place rotatory flow in evaporative cooling heat exchanger, increase gas-liquid area of contact and heat and moisture exchange efficiency, in order to promote evaporative cooling heat exchanger's cooling efficiency. Furthermore, the utility model discloses compare with traditional direct type heat exchange, the water smoke that carries out the heat exchange produces through the striking, and liquid water produces water smoke through the micropore under the non-pressure differential effect, consequently can not have the problem of easy jam, and is not high to the water quality requirement, to environmental suitability nature adaptability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an evaporative cooling heat exchanger according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of an inner barrel according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of an evaporative cooling heat exchanger according to a second embodiment of the present invention;
wherein, 1: an inner barrel; 2: an outer cylinder; 3: a drive motor; 4: a rotating shaft; 5: a water inlet pipe; 6: a fan; 7: a drain pipe; 8: a water tank; 9: a water pump; 11: a through hole; 12: a blade; 13: a water-absorbing and water-permeable layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An embodiment of the utility model provides an evaporative cooling heat exchanger, as shown in fig. 1 and fig. 2, evaporative cooling heat exchanger includes: an inner cylinder 1, an outer cylinder 2 and a driving motor 3. The inner cylinder 1 is arranged in the outer cylinder 2, and a first heat exchange channel is formed between the outer cylinder 2 and the inner cylinder 1. The driving motor 3 is connected with the inner cylinder 1 through a rotating shaft 4 penetrating through the bottom of the outer cylinder 2, namely, one end of the rotating shaft 4 is connected with the inner cylinder 1, and the other end is connected with the outer cylinder 2. The side of the inner cylinder 1 is provided with a plurality of through holes 11, and the through holes 11 are uniformly distributed on the inner cylinder 1. The top surface of the inner cylinder 1 is provided with a water inlet pipe 5 for spraying water into the inner cylinder 1. The inner cylinder 1 is provided with blades 12 crossing the water flow direction, and the rotation direction of the blades 12 is generally required to be perpendicular to the water flow direction. The side of the outer barrel 2 is provided with an air inlet, and the top surface of the outer barrel 2 is provided with an air outlet.
When in use, the inner cylinder 1 is driven by the rotating shaft 4 and the driving motor 3 to rotate. Air enters the evaporative cooling heat exchanger from the air inlet on the side surface of the outer cylinder 2, flows in the first heat exchange channel and can be discharged from the air outlet on the top surface of the outer cylinder 2 finally. Water flow enters the inner cylinder 1 from the water inlet pipe 5 on the top surface of the inner cylinder 1, partial water is collided to generate water mist under the action of the blades 12, the water mist is ejected out from the through holes 11 on the side surface of the inner cylinder 1 at a high speed under the action of centrifugal force generated by high-speed rotation of the inner cylinder 1 and then is collided with the side wall of the outer cylinder 2, and the water mist with a small diameter is generated in the first heat exchange channel. At this time, the air flowing through the first heat exchange channel is subjected to heat and moisture exchange with water. In the direct evaporative cooling, air is in direct contact with water, the air transfers the sensible heat to the water, so that the temperature of the air is reduced, the moisture content of the air is increased due to the evaporation of the water, the water vapor entering the air brings back some latent heat of vaporization, and the air after temperature reduction is discharged through an air outlet on the top surface of the outer barrel 2.
An embodiment of the utility model provides an evaporative cooling heat exchanger, it is rotatory through driving motor control, set up the blade in the inner tube, adopt the mode of striking to produce water smoke with the water droplet in the inner tube, water smoke carries out the heat transfer through the through-hole in first heat transfer passageway with the air. This embodiment makes air, water smoke and water droplet take place the rotational flow in the evaporation cooling heat exchanger, increases gas-liquid area of contact and heat and moisture exchange efficiency to promote the cooling efficiency of evaporation cooling heat exchanger. Furthermore, the utility model discloses compare with traditional direct type heat exchange, the water smoke that carries out the heat exchange produces through the striking, and liquid water produces water smoke through the micropore under the non-pressure differential effect, consequently can not have the problem of easy jam, and is not high to the water quality requirement, to environmental suitability nature adaptability.
In order to enhance the heat exchange efficiency of the evaporative cooling heat exchanger, based on the above embodiments, in a preferred embodiment, as shown in fig. 1 and fig. 2, an air inlet may be further disposed on the bottom surface of the inner tube 1, an air outlet is disposed on the top surface of the inner tube 1, the air outlet of the inner tube 1 is disposed corresponding to the air outlet of the outer tube 2, and a second heat exchange channel is formed in the inner tube 1, so that air and water can perform heat and moisture exchange not only in the first heat exchange channel, but also in the second heat exchange channel. The inner cylinder 1 and the outer cylinder 2 are both hollow cylinder structures, and the inner cylinder 1 and the outer cylinder 2 are coaxially arranged. The inner cylinder 1 rotates around the rotating shaft 4, so that water flowing out of the through hole 11 impacts the outer cylinder under the action of centrifugal force to generate water mist.
Wherein, this evaporative cooling heat exchanger still includes fan 6, and fan 6 sets up the air outlet department at urceolus 2.
When in use, the inner cylinder 1 is driven by the rotating shaft 4 and the driving motor 3 to rotate. Under the action of the fan 6, part of air enters the evaporative cooling heat exchanger from the air inlet on the side surface of the outer cylinder 2, flows in the first heat exchange channel and can be discharged from the air outlet on the top surface of the outer cylinder 2 finally. The other part of air is divided into two parts to enter the inner barrel 1 under the action of the fan 6 and flows in the second heat exchange channel. Water flow enters the inner cylinder 1 from the water inlet pipe 5 on the top surface of the inner cylinder 1, and partial water is collided to generate water mist under the action of the blades 12. Part of the water mist is ejected out from the through holes 11 on the side surface of the inner cylinder 1 at high speed under the action of centrifugal force generated by high-speed rotation of the inner cylinder 1, and then collides with the side wall of the outer cylinder 2 to generate water mist with small diameter in the first heat exchange channel. The other part of the water mist is left in the second heat exchange channel in the inner cylinder 1 and is discharged from the air inlet at the bottom of the inner cylinder 1 from top to bottom. The air flowing through the first heat exchange channel is subjected to heat and moisture exchange with water, and the air flowing through the second heat exchange channel is also subjected to heat and moisture exchange with water. In the direct evaporative cooling, air is in direct contact with water, the air transfers the sensible heat to the water, so that the temperature of the air is reduced, the moisture content of the air is increased due to the evaporation of the water, the water vapor entering the air brings back some latent heat of vaporization, and the air after temperature reduction is discharged through an air outlet on the top surface of the outer barrel 2.
In this embodiment, the number of the blades 12 can be set to be multiple, so that the second heat exchange channel is divided into multiple heat exchange units which are sequentially communicated through the blades 12, air sequentially passes through each heat exchange unit to perform multiple heat and moisture exchanges, and the gas-liquid contact area and the heat and moisture exchange efficiency are increased.
In this embodiment, the rotation shaft 4 extends through the bottom surface of the inner cylinder 1 and is fixed to the top surface of the inner cylinder 1. The blades 12 are fixed on the side wall of the inner cylinder 1 and can rotate along with the inner cylinder 1 to impact falling water drops to generate water mist. In addition, in other embodiments, in order to simplify the structure of the evaporative cooling heat exchanger and reduce the energy consumption of the driving motor 3, the blades 12 can be fixed on the rotating shaft 4, the rotating shaft 4 drives the blades 12 to rotate, and the blades 12 can rotate and impact water into water mist.
As shown in figure 2, the inner side wall of the inner cylinder 1 is attached with a water absorbing and permeating layer 13, and the water absorbing and permeating layer 13 is made of water absorbing and permeating materials. Water flow enters the inner cylinder 1 from the water inlet pipe 5 on the top surface of the inner cylinder 1, partial water is collided to generate water mist under the action of the blades 12, and partial water is sprayed on the water absorbing and permeable layer 13 so as to be sprayed on the water absorbing and permeable layer 13 and is sprayed out from the side holes of the inner cylinder 1 at a high speed under the action of centrifugal force generated by high-speed rotation of the inner cylinder 1.
Be different from above-mentioned embodiment, this embodiment carries out the heat and moisture exchange through two heat transfer passageways simultaneously, has strengthened gas-liquid area of contact and heat and moisture exchange efficiency, and this embodiment is rotatory through driving motor control, set up the blade in the inner tube, adopt the mode of striking to produce water smoke with the water droplet in the inner tube, and carry out the heat transfer through the through-hole with water smoke in first heat transfer passageway, make air, water smoke and water droplet take place rotatory flow in the evaporative cooling heat exchanger, increase gas-liquid area of contact and heat and moisture exchange efficiency, in order to promote evaporative cooling heat exchanger's cooling efficiency.
Based on the above embodiments, in a preferred embodiment, as shown in fig. 3, the bottom of the outer tub 2 is provided with a drain pipe 7, and the water inlet end of the drain pipe 7 is disposed at the lowest position of the bottom of the outer tub 2. Wherein, the evaporative cooling heat exchanger includes: the water tank 8, the water outlet end of the drain pipe 7 is communicated with the water tank 8. Furthermore, the evaporative cooling heat exchanger further comprises: and the water inlet end of the water inlet pipe 5 is communicated with the water pump 9, and the water pump 9 is communicated with the water discharge pipe 7 through the water tank 8.
It should be noted that, the specific structure of the evaporative cooling heat exchanger can refer to the description of the text related to fig. 1 to fig. 2, and is not described herein again.
When in use, the inner cylinder 1 is driven by the rotating shaft 4 and the driving motor 3 to rotate. Under the action of the fan 6, part of air enters the evaporative cooling heat exchanger from the air inlet on the side surface of the outer cylinder 2, flows in the first heat exchange channel and can be discharged from the air outlet on the top surface of the outer cylinder 2 finally. The other part of air is divided into two parts to enter the inner barrel 1 under the action of the fan 6 and flows in the second heat exchange channel. Water in the water tank 8 sequentially enters the inner barrel 1 through the water pump 9 and the water inlet pipe 5, and partial water is collided under the action of the blades to generate water mist. Part of the water mist is ejected out from the through holes 11 on the side surface of the inner cylinder 1 at high speed under the action of centrifugal force generated by high-speed rotation of the inner cylinder 1, and then collides with the side wall of the outer cylinder 2 to generate water mist with small diameter in the first heat exchange channel. The other part of the water mist is left in a second heat exchange channel in the inner cylinder 1, is discharged from an air inlet at the bottom of the inner cylinder 1 from top to bottom, and finally enters the water tank 8 again through a water discharge pipe 7. The air flowing through the first heat exchange channel is subjected to heat and moisture exchange with water, and the air flowing through the second heat exchange channel is also subjected to heat and moisture exchange with water. In the direct evaporative cooling, air is in direct contact with water, the air transfers the sensible heat to the water, so that the temperature of the air is reduced, the moisture content of the air is increased due to the evaporation of the water, the water vapor entering the air brings back some latent heat of vaporization, and the air after temperature reduction is discharged through an air outlet on the top surface of the outer barrel 2.
Be different from above-mentioned embodiment, this embodiment has designed a whole set of heat and moisture exchange system, make rivers flow in the evaporation cooling heat exchanger through the water pump, and this embodiment is rotatory through driving motor control, set up the blade in the inner tube, adopt the mode of striking to produce water smoke with the water droplet in the inner tube, and carry out the heat transfer through the through-hole with water smoke in first heat transfer passageway, make air, water smoke and water droplet take place rotatory flow in the evaporation cooling heat exchanger, increase gas-liquid area of contact and heat and moisture exchange efficiency, in order to promote the cooling efficiency of evaporation cooling heat exchanger.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An evaporative cooling heat exchanger, comprising:
the device comprises an inner cylinder, an outer cylinder and a driving motor;
the inner cylinder is arranged in the outer cylinder, and a first heat exchange channel is formed between the outer cylinder and the inner cylinder; the driving motor is connected with the inner cylinder through a rotating shaft penetrating through the bottom of the outer cylinder; the side surface of the inner cylinder is provided with a plurality of through holes, the top surface of the inner cylinder is provided with a water inlet pipe, and blades which are crossed with the water flow direction are arranged in the inner cylinder; the side of urceolus is equipped with the air intake, the top surface of urceolus is equipped with the air outlet.
2. The evaporative cooling heat exchanger of claim 1, wherein the inner cylinder has an air inlet in a bottom surface thereof and an air outlet in a top surface thereof, and wherein the air outlet of the inner cylinder is disposed in correspondence with the air outlet of the outer cylinder to form a second heat exchange channel in the inner cylinder.
3. The evaporative cooling heat exchanger of claim 2, wherein the number of the vanes is plural, and the second heat exchange passages are divided into a plurality of heat exchange units which are communicated in sequence by the vanes.
4. The evaporative cooling heat exchanger of claim 3, wherein the shaft extends through the bottom surface of the inner cartridge and is secured to the top surface of the inner cartridge; the blades are fixed on the rotating shaft or on the side wall in the inner cylinder, and can rotate and impact water into water mist.
5. An evaporative cooling heat exchanger according to claim 3 wherein the inner side wall of the inner drum is attached with a water-absorbing and water-permeable layer.
6. The evaporative cooling heat exchanger of claim 1, wherein the bottom of the outer drum is provided with a drain pipe, and the water inlet end of the drain pipe is arranged at the lowest position of the bottom of the outer drum.
7. The evaporative cooling heat exchanger of claim 6, further comprising:
and the water outlet end of the drain pipe is communicated with the water tank.
8. The evaporative cooling heat exchanger of claim 7, further comprising:
the water inlet end of the water inlet pipe is communicated with the water pump, and the water pump is communicated with the drain pipe through the water tank.
9. The evaporative cooling heat exchanger of claim 1, wherein the inner and outer drums are each hollow cylindrical structures, and the inner drum rotates around the rotating shaft to make water flowing out of the through holes impact the outer drum under the action of centrifugal force to generate water mist.
10. The evaporative cooling heat exchanger of claim 1, further comprising:
and the fan is arranged at the air outlet of the outer barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920499453.1U CN209820195U (en) | 2019-04-11 | 2019-04-11 | Evaporative cooling heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920499453.1U CN209820195U (en) | 2019-04-11 | 2019-04-11 | Evaporative cooling heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209820195U true CN209820195U (en) | 2019-12-20 |
Family
ID=68879789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920499453.1U Expired - Fee Related CN209820195U (en) | 2019-04-11 | 2019-04-11 | Evaporative cooling heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209820195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945673A (en) * | 2019-04-11 | 2019-06-28 | 北京建筑大学 | A kind of evaporation cooling heat exchanger |
-
2019
- 2019-04-11 CN CN201920499453.1U patent/CN209820195U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945673A (en) * | 2019-04-11 | 2019-06-28 | 北京建筑大学 | A kind of evaporation cooling heat exchanger |
| CN109945673B (en) * | 2019-04-11 | 2024-03-15 | 北京建筑大学 | Evaporative cooling heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109945673B (en) | Evaporative cooling heat exchanger | |
| CN1963369A (en) | Evaporation type sealed cooling cistern | |
| CN209820195U (en) | Evaporative cooling heat exchanger | |
| CN102659194B (en) | Distillation-type seawater desalinization device | |
| CN207816030U (en) | A kind of associative form closed cooling tower with accurate energy adjustment | |
| CN201203304Y (en) | Porous ceramic tube-type dew point indirect evaporative cooler | |
| CN102954704A (en) | Water kinetic energy jet propulsion ventilation cooling tower | |
| CN102416309A (en) | Liquid desiccant ultrasonic regeneration device | |
| CN100427870C (en) | Multi-phase flow unsaturated in-tube evaporation direct cooling device | |
| CN204313666U (en) | A kind of closed cooling tower | |
| CN204128394U (en) | Adverse current rotary-jet double-curve cooling column | |
| CN108562183B (en) | Active circulation type chemical heat exchanger | |
| CN203629361U (en) | Waist-shaped-section-coil closed cooling tower | |
| CN209570036U (en) | A kind of rectangular no-padding and spraying cooling tower | |
| CN207715240U (en) | A kind of gas turbine inlet spray cooling device and gas turbine engine systems | |
| CN208751323U (en) | Evaporating air cooler Water-saving spray device | |
| CN117433335B (en) | Disturbance wave flow cooling heat exchange equipment | |
| CN206862158U (en) | Efficient open cooling tower | |
| CN206556466U (en) | The spray humidification cooling device of air cooler | |
| CN2553290Y (en) | Indirect evaporation-cooling refrigeration air cooler set | |
| CN219204303U (en) | Space negative pressure heat dissipation motor | |
| CN217403204U (en) | Evaporative cooler for increasing specific surface area of spray water | |
| CN209639557U (en) | The high temperature air-cooled condenser of water-spray system | |
| CN213515150U (en) | Water circulation mechanism of central air conditioner | |
| CN217844822U (en) | Evaporative cooling device for increasing specific surface area of spray water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20200411 |