CN216770256U - Anti-icing low-temperature cooling tower and cooling system - Google Patents
Anti-icing low-temperature cooling tower and cooling system Download PDFInfo
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- CN216770256U CN216770256U CN202123280488.2U CN202123280488U CN216770256U CN 216770256 U CN216770256 U CN 216770256U CN 202123280488 U CN202123280488 U CN 202123280488U CN 216770256 U CN216770256 U CN 216770256U
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- 238000001816 cooling Methods 0.000 title claims abstract description 158
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 132
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000012546 transfer Methods 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 7
- 238000007710 freezing Methods 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 14
- 239000000498 cooling water Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000001502 supplementing effect Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
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- 239000013589 supplement Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 241000589248 Legionella Species 0.000 description 1
- 208000007764 Legionnaires' Disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
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Abstract
The utility model discloses an anti-icing low-temperature cooling tower and a cooling system, wherein the cooling tower comprises: a tower body; precooling apparatus sets up on the air inlet window, and precooling apparatus includes: a housing having a first air inlet and a first air outlet; the first heat exchange area is arranged between the first air inlet and the first air outlet, and a heat exchange unit is arranged in the first heat exchange area; and the liquid distribution unit is arranged in the shell and used for spraying supplementary water into the heat exchange unit, and the spraying direction of the liquid distribution unit is crossed with the air inlet direction. The utility model fully and effectively utilizes the residual pressure of the fan of the cooling tower, the water pressure head of the cooling tower is supplemented, the pipelines are switched in winter, the temperature of the outlet water is reduced by 3-6 ℃, the freezing is prevented, the comprehensive energy consumption of the system is reduced by 10-20%, the water is saved by 5-20%, and the device is simple to install, high-efficiency, modularized and strong in universality. The energy utilization is maximized, and no waste is generated. And no additional electric equipment is needed.
Description
Technical Field
The utility model belongs to the technical field of cooling towers, and particularly relates to an anti-icing low-temperature cooling tower and a cooling system.
Background
At present, the cooling tower is widely used in the fields of coal chemical industry, metallurgical industry, air conditioning system and the like, the cooling effect of a circulating cooling system is related to the parameters of an air medium entering the cooling tower, the operation theory of the cooling tower is based on the evaporation and heat dissipation of water and the heat exchange when the water is contacted with the air, so that the circulating cooling water is cooled, and the outlet water temperature of the cooling tower is generally 32 ℃ by applying the current national standard GB7190.1/2-2018 of the cooling tower, namely the specified standard. The circulating cooling water enters the refrigerator at the temperature of 32 ℃, the exhaust pressure of the refrigerator is high during the operation, the operation current is large, the operation failure rate of the refrigerator is improved, and the safety coefficient is reduced. The existing cooling tower generally increases the power of a fan of the cooling tower to increase the air volume or increase the height of a filler of the cooling tower in order to provide low outlet water temperature, and even increases the negative pressure value in the cooling tower to accelerate the evaporation speed and strength of water so as to reduce the temperature of cooling water, thereby achieving the required cooling effect. The low temperature of the cooling tower increases the sewage discharge overflow water quantity by increasing the water supplement quantity, causes a large amount of water resource waste and does not accord with the national relevant water-saving and energy-saving policy. When the air inlet window runs in winter, the air inlet window is frozen.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
The present invention is directed to an anti-icing cryogenic cooling tower and cooling system to solve the above-mentioned problems.
(II) technical scheme
To solve the above problem, a first aspect of the present invention provides a cooling tower comprising: the tower body is provided with an air inlet window and a second air outlet, the air inlet window is arranged on the side wall of the tower body, and the second air outlet is arranged at the top of the tower body; the precooling device is arranged on the air inlet window and is used for precooling the air entering the cooling tower; wherein the pre-cooling device comprises: the air conditioner comprises a shell, a first air inlet and a second air outlet, wherein the shell is provided with a first surface and a second surface which are opposite to each other; the first heat exchange area is arranged between the first air inlet and the first air outlet, and a heat exchange unit is arranged in the first heat exchange area; and the liquid distribution unit is arranged in the shell and used for spraying supplementary water into the heat exchange unit, and the spraying direction of the liquid distribution unit is crossed with the air inlet direction.
Further, the pre-cooling device further includes: and the water collecting unit is arranged in the shell and is arranged on one side of the first heat exchange area, which is far away from the liquid distribution unit.
Further, the pre-cooling device further includes: the water inlet pipe is communicated with the liquid distribution unit; and the water outlet pipe is communicated with the water collecting unit.
Furthermore, a plurality of nozzles are arranged on the liquid distribution unit.
Furthermore, a water inlet is formed in one end, close to the liquid distribution unit, of the heat exchange unit, and a water outlet is formed in one end, close to the water collection unit, of the heat exchange unit.
Furthermore, the water inlet is a plurality of, and the water outlet is a plurality of.
Further, the spraying direction of the nozzle is opposite to the water inlet.
Further, the heat exchange unit is an inclined S-shaped sheet heat exchange pipeline; or the heat exchange unit is an S-shaped fin heat exchanger; or the heat exchange unit is a net-shaped heat exchange unit; or the heat exchange units are a plurality of groups of wave-shaped heat exchange units, and a plurality of groups of wave-shaped radiating fins are connected in series or in parallel.
Furthermore, the heat exchange unit is made of PVC or aluminum materials.
Further, the method also comprises the following steps: the second heat exchange area is arranged between the air inlet window and the second air outlet; the liquid distribution device is arranged in the tower body and is arranged between the second air outlet and the second heat exchange area; and the water collecting tank is arranged at the bottom in the tower body.
Further, the liquid distribution device is communicated with a water inlet pipe of the precooling device.
Further, the water collecting tank is communicated with the liquid distribution device.
According to a further aspect of the present invention, there is provided a cooling system comprising a cooling tower according to any one of the above aspects.
(III) advantageous effects
The technical scheme of the utility model has the following beneficial technical effects:
the cooling tower of the utility model fully and effectively utilizes the residual pressure of the fan of the cooling tower, the water pressure head and the low temperature (generally 18-22 ℃) of the cooling tower, replaces the air inlet windows of all the cooling towers, reduces the water outlet temperature by 3-6 ℃, reduces the comprehensive energy consumption of the system by 10-20%, saves water by 5-20%, and partially shunts the circulating backwater to the precooling device when running in winter, thereby solving the problem that the air inlet windows run and freeze in winter. The energy utilization is maximized, and no waste is generated. And no additional electric equipment is needed.
Drawings
FIG. 1 is a schematic diagram of a cooling tower according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a pre-cooling apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a pre-cooling device according to another embodiment of the present invention.
Reference numerals:
100: a pre-cooling device; 110: a housing; 111: a first side; 112: a second face; 113: a first air inlet; 114: a first air outlet; 120: a first heat transfer zone; 121: a heat exchange unit; 122: a water inlet; 123: a water outlet; 130: a liquid distribution unit; 140: a water collection unit; 150: a water inlet pipe; 160: a water outlet pipe;
200: a cooling tower; 210: a tower body; 211: an air inlet window; 212: a second air outlet; 220: a second heat transfer zone; 230: a liquid distribution device; 240: a water collection tank; 250: a pump; 260: a fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the drawings a schematic view of a layer structure according to an embodiment of the utility model is shown. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity. The shapes of various regions, layers, and relative sizes and positional relationships therebetween shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, as actually required.
It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The utility model will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
The low temperature of the existing cooling tower is mainly realized by deep negative pressure or increased air displacement, but the power of a fan motor needs to be greatly increased, so that the load of the fan motor and the energy consumption of the cooling tower are increased; the low temperature of the cooling tower increases the sewage discharge overflow water quantity by increasing the water supplement quantity, so that a large amount of water resource waste is caused, and the cooling tower does not accord with the national relevant water-saving and energy-saving policies; the selection requirement of the motor conforms to the national standard GB7190.1-2018, and the standard stipulates that the actual measurement power consumption ratio of the motor is not more than 0.06 KW/(m) compared with that of a G-shaped tower3H), not more than 0.04 KW/(m) for other types of towers3H), which has a limiting effect on the increase of the negative pressure value of the cooling tower. In design, manufacture, model selection and use of the cooling tower, due to the consideration of various factors such as reliability and the like, a margin of about 10% is usually provided on the basis of a calculation result, and meanwhile, a used water pump has a surplus lift and a surplus flow, so that a large amount of energy can be provided for cooling water in practical application, and surplus air pressure of a fan of the cooling tower, a make-up water pressure head and low-temperature characteristics of the make-up water pressure head are not fully utilized, and waste is avoided.
The existing cooling tower generally increases the fan power of the cooling tower to increase the air volume or increase the filler height of the cooling tower in order to provide low outlet water temperature, and even increases the negative pressure value in the cooling tower to accelerate the evaporation speed and strength of water so as to reduce the cooling water temperature, thereby achieving the required cooling effect.
FIG. 1 is a schematic diagram of a cooling tower according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a pre-cooling device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a pre-cooling device according to another embodiment of the present invention.
As shown in fig. 1, 2 and 3, in an embodiment of the present invention, there is provided a cooling tower including: the tower body 210 is provided with an air inlet window 211 and a second air outlet 212, the air inlet window 211 is arranged on the side wall of the tower body 210, and the second air outlet 212 is arranged at the top of the tower body 210; the pre-cooling device 100 is arranged on the air inlet window 211, and is used for pre-cooling air entering the cooling tower; wherein, the pre-cooling device 100 comprises: the air conditioner comprises a shell 110, a first air inlet 113 and a second air outlet 114, wherein the shell has a first surface 111 and a second surface 112 which are opposite to each other, the first surface 111 is provided with the first air inlet 113, and the second surface 112 is provided with the first air outlet 112; a first heat exchange area 120, wherein the first heat exchange area 120 is disposed between the first air inlet 113 and the first air outlet 114, and a heat exchange unit 121 is disposed in the first heat exchange area 120; and a liquid distribution unit 130 disposed in the casing 110 and configured to spray make-up water into the heat exchange unit 121, wherein the spraying direction of the make-up water is crossed with the air inlet direction.
The cooling tower 200 of the present invention takes advantage of the cooling tower makeup water characteristics: the temperature is generally 18-22 ℃ and is far lower than the summer environmental temperature by more than 35 ℃, the air is precooled to the inlet air of the cooling tower, the effect of the cooling tower is improved, and the energy consumption of the system is reduced by 10-20%. The residual pressure of the fan of the cooling tower, the water replenishing pressure head and the low-temperature characteristic of the water replenishing pressure head are fully and effectively utilized, the energy utilization is maximized, and no waste is caused. And no additional electric equipment is needed.
The lower the temperature of the circulating cooling water required by the refrigerating machine is, the larger the refrigerating capacity is, the lower the refrigerating energy consumption is (the temperature of the circulating cooling water is reduced by 1 ℃, the pressure of the exhaust gas is reduced by 0.05Mpa, and the power of the refrigerating machine is reduced by about 4.5%), thereby enabling the cooling tower 200 to avoid the optimum temperature (35-40 ℃) for the Legionella breeding.
The cooling tower 200 of the utility model fully and effectively utilizes the residual pressure of the fan 260 of the cooling tower 200, the supplementary water pressure head of the cooling tower 200 and the low temperature characteristic thereof, and can replace the air inlet windows of all the cooling towers 200, the water outlet temperature is reduced by 3-6 ℃, the comprehensive energy consumption of the system is reduced by 10-20%, and the water is saved by 5-20%.
In an optional embodiment, the pre-cooling device 100 may further include: a water collecting unit 140 disposed in the housing 110, wherein the water collecting unit 140 is disposed at a side of the first heat exchange area 120 away from the liquid distribution unit 130. The water collecting unit 140 is used for collecting the supplementing water sprayed by the liquid distribution unit and passing through the first heat exchange area.
In an optional embodiment, the pre-cooling device 100 may further include: and the water inlet pipe 150 is communicated with the liquid distribution unit 130 and is communicated with circulating water supplementing water, and the temperature of inlet air of the cooling tower is reduced by 3-10 ℃ by utilizing the pressure head and low temperature of the water inlet pipe 150.
In an optional embodiment, the pre-cooling device 100 may further include: and the water outlet pipe 160 is communicated with the water collecting unit 140, and automatically flows into the water collecting tank 240 of the cooling tower 200 by utilizing the height difference to be used as supplementing water for evaporative cooling of the cooling tower 200.
In an optional embodiment, the liquid distribution unit 130 is provided with a plurality of nozzles for uniform spraying, thereby improving the heat exchange effect.
In an alternative embodiment, one end of the heat exchanging unit 121 close to the liquid distribution unit 130 is provided with a water inlet 122.
In an optional embodiment, a water outlet 123 is disposed at one end of the heat exchange unit 121 close to the water collecting unit 140.
In an optional embodiment, the number of the water inlets 122 is multiple, and make-up water is uniformly distributed in the micro-channels of the heat exchange unit, so that the heat exchange effect is enhanced.
In an alternative embodiment, the number of the water outlets 123 is multiple.
In an alternative embodiment, the make-up water is sprayed out through the liquid distribution unit 130, and enters the heat exchange unit 121 of the first heat exchange zone 120 from the water inlet 122; the make-up water after heat exchange flows out of the water outlet 123 and flows into the water collecting unit 140.
In an alternative embodiment, the nozzle sprays in a direction opposite the water inlet 122.
In an alternative embodiment, the heat exchange units 121 are inclined S-shaped thin sheet heat exchange tubes.
In an alternative embodiment, the heat exchange unit 121 is an S-fin heat exchanger.
In an alternative embodiment, the heat exchange unit 121 is a mesh heat exchange unit 121.
In an alternative embodiment, the heat exchanging unit 121 is a plurality of groups of corrugated fins connected in series.
In an alternative embodiment, the heat exchanging unit 121 is a plurality of groups of corrugated fins, and the groups of corrugated fins are connected in parallel.
In an optional embodiment, the heat exchange unit 121 has micro channels therein to uniformly distribute the make-up water, thereby improving the heat exchange effect.
In an optional embodiment, the heat exchanging unit 121 is made of a non-metal material such as PVC.
In an optional embodiment, the heat exchanging unit 121 is made of a metal material such as aluminum.
In an optional embodiment, the heat exchanging unit 121 is made of PVC.
In an optional embodiment, the heat exchanging unit 121 is made of an aluminum material.
In an optional embodiment, the pre-cooling device 100 is disposed at the air inlet window 211, and the first air outlet 114 is connected to the air inlet window 211.
In an optional embodiment, the air inlet window 211 is multiple.
In an alternative embodiment, the number of the pre-cooling devices 100 is multiple.
In an optional embodiment, the plurality of air inlet windows 211 and the plurality of pre-cooling devices 100 are arranged in a one-to-one correspondence manner, and replace the air inlet windows 211 of the cooling tower, so that the temperature of inlet air is reduced, the amount of splashed water is reduced, and water is saved.
In an optional embodiment, the cooling tower 200 may further include: a second heat transfer area 220, wherein the second heat transfer area 220 is disposed between the air inlet window 211 and the second air outlet 212.
In an optional embodiment, the cooling tower 200 may further include: a liquid distribution device 230 disposed in the tower body 210, wherein the liquid distribution device 230 is disposed between the second air outlet 212 and the second heat exchange area 220.
In an optional embodiment, the cooling tower 200 may further include: a water collection tank 240 disposed at the bottom inside the tower body 210.
In an alternative embodiment, the liquid distribution device 230 is in communication with the water inlet pipe 150 of the pre-cooling device 100.
In an alternative embodiment, the water collecting tank 240 is in communication with the liquid distribution device 230.
In an alternative embodiment, a pump 250 is disposed between the water collecting tank 240 and the liquid distribution device 230, and is used for pressurizing and transporting the liquid in the water collecting tank 240 in the pipeline of the liquid distribution device 230, so as to enhance the heat exchange effect.
In an optional embodiment, a valve is disposed between the pump 250 and the liquid distribution device 230, so as to increase the amount of cooling water of the pre-cooling device 100 according to the operation condition, enhance the cooling effect, and improve the heat dissipation capability of the cooling tower.
In an optional embodiment, a valve is arranged between the liquid distribution device 230 and the water inlet pipe 150 of the pre-cooling device 100, so as to adjust the proportion of the supplemented water amount and optimize the cooling effect of the cooling tower.
In an optional embodiment, the cooling tower 200 may further include: the fan 260 is arranged at the top of the tower body 210 of the cooling tower 200, and the fan 260 is communicated with the second air outlet 212.
In an alternative embodiment, the pre-cooling device 100 is detachably connected to the cooling tower 200. To ensure that the pre-cooling device 100 is a replaceable component, which facilitates transportation and assembly of the existing cooling tower 200.
When the temperature is high in summer and the amount of circulating supplemented water is insufficient, water is pumped from the water collecting tank 240 through a water supplementing pump (pump 250) and is used on the liquid distribution unit 130 of the pre-cooling device 100. The water replenishing quantity is increased, and the effect of the cooling tower is improved.
If the temperature in winter or other environments is lower than 5 ℃, the return water of the cooling tower 200 (the water in the liquid distribution device 230) can enter the water inlet pipe 150 of the pre-cooling device 100 through a flow dividing part of a circulating return water branch pipe (a pipeline between the liquid distribution device 230 and the water inlet pipe 150 of the pre-cooling device 100), the temperature of the circulating return water is high (generally above 30 ℃), the air flow entering the cooling tower 200 is preheated, the flow dividing proportion is adjusted according to the environment temperature condition, meanwhile, the outward splashing and drifting water are reduced due to the addition of the pre-cooling device 100, and the problem that the air inlet of the cooling tower is iced is completely avoided.
The method mainly solves the problems that the circulating water supply is limited, the flow rate of water in the unpowered precooling device 100 is increased, the cooling effect is further enhanced, meanwhile, the source of water flow in the precooling device 300 and the flow direction of cooling water are changed through switching of pipeline valves, a water pump is started in summer, an outlet valve of the water pump is opened, a valve on a circulating water return branch pipe is closed, low-temperature water supply and cooled cooling water are used for precooling high-temperature air flow entering a cooling tower, and the outlet temperature of the cooling tower is reduced by 3-6 ℃; in winter, the water pump is stopped, the outlet valve of the water pump is closed, the valve on the circulating backwater branch pipe is opened, and part of high-temperature circulating backwater is utilized to preheat the low-temperature air flow entering the cooling tower, so that the difficult problem of icing of the air inlet of the cooling tower is completely avoided, the field maintenance is reduced, and the labor intensity is reduced.
The device is suitable for optimizing, reducing consumption and increasing efficiency of the existing cooling tower, does not change the main structural form of the existing cooling tower, does not increase the existing power consumption of the cooling tower, only replaces the air inlet window of the original cooling tower, and switches the water supplement of the original cooling tower to the pre-cooling device 100 provided by the utility model, so that the air flow of the cooling tower can be pre-cooled or preheated, the temperature of the inlet air entering the cooling tower can be effectively reduced, and meanwhile, the air inlet of the cooling tower is prevented from being frozen in winter, thereby reducing the temperature of the cooling outlet water by 3-6 ℃, reducing the comprehensive energy consumption of an air-conditioning refrigeration system by more than 10-20%, reducing the circulating cooling water system by 6-10%, saving water by 5-20%, and protecting the environment.
In yet another embodiment of the present invention, a cooling system is provided, which may include the cooling tower 200 of any one of the above aspects.
The utility model aims to protect an anti-icing cryogenic cooling tower and a cooling system, comprising: the tower comprises a tower body 210, wherein an air inlet window 211 and a second air outlet 212 are arranged on the tower body 210, the air inlet window 211 is arranged on the side wall of the tower body 210, and the second air outlet 212 is arranged at the top of the tower body 210; the pre-cooling device 100 is arranged on the air inlet window 211, and is used for pre-cooling air entering the cooling tower; wherein, the pre-cooling device 100 comprises: the air conditioner comprises a shell 110, a first air inlet 113 and a second air outlet 114, wherein the shell has a first surface 111 and a second surface 112 which are opposite to each other, the first surface 111 is provided with the first air inlet 113, and the second surface 112 is provided with the first air outlet 112; a first heat exchange area 120, wherein the first heat exchange area 120 is disposed between the first air inlet 113 and the first air outlet 114, and a heat exchange unit 121 is disposed in the first heat exchange area 120; and a liquid distribution unit 130 disposed in the casing 110 and configured to spray make-up water into the heat exchange unit 121, wherein the spraying direction of the make-up water is crossed with the air inlet direction. The cooling tower of the utility model fully and effectively utilizes the residual pressure of the fan of the cooling tower and the supplementary water pressure head of the cooling tower, and can replace the air inlet windows of all the cooling towers, the outlet water temperature is reduced by 3-6 ℃, the comprehensive energy consumption of the system is reduced by 10-20%, the water is saved by 5-20%, and the device has the advantages of simple installation, high efficiency, modularization and strong universality. The energy utilization is maximized, and no waste is generated. And no additional electric equipment is needed.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundary of the appended claims, or the equivalents of such scope and boundary.
Claims (15)
1. A cooling tower, comprising:
the tower body (210) is provided with an air inlet window (211) and a second air outlet (212), the air inlet window (211) is arranged on the side wall of the tower body (210), and the second air outlet (212) is arranged at the top of the tower body (210);
the pre-cooling device (100) is arranged on the air inlet window (211) and is used for pre-cooling air entering the cooling tower;
wherein the pre-cooling device (100) comprises:
the air conditioner comprises a shell (110) and a control unit, wherein the shell is provided with a first surface (111) and a second surface (112) which are opposite, the first surface (111) is provided with a first air inlet (113), and the second surface (112) is provided with a first air outlet (114);
a first heat exchange area (120), wherein the first heat exchange area (120) is arranged between the first air inlet (113) and the first air outlet (114), and a heat exchange unit (121) is arranged in the first heat exchange area (120);
and the liquid distribution unit (130) is arranged in the shell (110) and is used for spraying supplementary water into the heat exchange unit (121), and the spraying direction of the supplementary water is crossed with the air inlet direction.
2. The cooling tower according to claim 1, wherein the pre-cooling device (100) further comprises:
and the water collecting unit (140) is arranged in the shell (110), and the water collecting unit (140) is arranged on one side of the first heat exchange area (120) far away from the liquid distribution unit (130).
3. A cooling tower according to claim 2, wherein the pre-cooling device (100) further comprises:
the water inlet pipe (150), the water inlet pipe (150) is communicated with the liquid distribution unit (130);
a water outlet pipe (160), the water outlet pipe (160) being communicated with the water collecting unit (140).
4. The cooling tower of claim 2,
the liquid distribution unit (130) is provided with a plurality of nozzles.
5. The cooling tower of claim 4,
a water inlet (122) is formed in one end, close to the liquid distribution unit (130), of the heat exchange unit (121), and a water outlet (123) is formed in one end, close to the water collection unit (140), of the heat exchange unit (121).
6. The cooling tower of claim 5,
the number of the water inlets (122) is multiple, and the number of the water outlets (123) is multiple.
7. The cooling tower according to claim 5 or 6,
the spraying direction of the nozzle is opposite to the water inlet (122).
8. The cooling tower according to any one of claims 1 to 6,
the heat exchange unit (121) is an inclined S-shaped sheet heat exchange pipeline; or
The heat exchange unit (121) is an S-shaped fin heat exchanger; or
The heat exchange unit (121) is a mesh heat exchange unit; or
The heat exchange unit (121) is a plurality of groups of wave-shaped heat exchange units, and a plurality of groups of wave-shaped radiating fins are connected in series or in parallel.
9. The cooling tower of claim 7,
the heat exchange unit (121) is an inclined S-shaped sheet heat exchange pipeline; or
The heat exchange unit (121) is an S-shaped fin heat exchanger; or
The heat exchange unit (121) is a mesh heat exchange unit; or
The heat exchange unit (121) is a plurality of groups of wave-shaped heat exchange units, and a plurality of groups of wave-shaped radiating fins are connected in series or in parallel.
10. The cooling tower according to any one of claims 1 to 6,
the heat exchange unit (121) is made of PVC or aluminum material.
11. The cooling tower of claim 7,
the heat exchange unit (121) is made of PVC or aluminum material.
12. The cooling tower of claim 10, further comprising:
a second heat transfer area (220), wherein the second heat transfer area (220) is arranged between the air inlet window (211) and the second air outlet (212);
a liquid distribution device (230) disposed in the tower body (210), the liquid distribution device (230) being disposed between the second air outlet (212) and the second heat exchange area (220);
a water collection sump (240) disposed at a bottom within the tower body (210).
13. The cooling tower of claim 12,
the liquid distribution device (230) is communicated with a water inlet pipe (150) of the pre-cooling device (100).
14. The cooling tower of claim 12,
the water collecting tank (240) is communicated with the liquid distribution device (230).
15. A cooling system, characterized by comprising a cooling tower (200) according to any one of claims 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123280488.2U CN216770256U (en) | 2021-12-24 | 2021-12-24 | Anti-icing low-temperature cooling tower and cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123280488.2U CN216770256U (en) | 2021-12-24 | 2021-12-24 | Anti-icing low-temperature cooling tower and cooling system |
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| Publication Number | Publication Date |
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| CN216770256U true CN216770256U (en) | 2022-06-17 |
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| CN202123280488.2U Active CN216770256U (en) | 2021-12-24 | 2021-12-24 | Anti-icing low-temperature cooling tower and cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115979042A (en) * | 2022-12-30 | 2023-04-18 | 深圳市英维克科技股份有限公司 | Heat exchanger |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115979042A (en) * | 2022-12-30 | 2023-04-18 | 深圳市英维克科技股份有限公司 | Heat exchanger |
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