CN111750697A - Closed cooling tower and method for eliminating air outlet saturated air - Google Patents

Closed cooling tower and method for eliminating air outlet saturated air Download PDF

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Publication number
CN111750697A
CN111750697A CN202010694139.6A CN202010694139A CN111750697A CN 111750697 A CN111750697 A CN 111750697A CN 202010694139 A CN202010694139 A CN 202010694139A CN 111750697 A CN111750697 A CN 111750697A
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China
Prior art keywords
water
radiating
shell
fan
cooling tower
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Pending
Application number
CN202010694139.6A
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Chinese (zh)
Inventor
冯启涛
徐建蓉
王莉娜
王国柱
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China National Petroleum Corp
Xian Changqing Technology Engineering Co Ltd
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China National Petroleum Corp
Xian Changqing Technology Engineering Co Ltd
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Application filed by China National Petroleum Corp, Xian Changqing Technology Engineering Co Ltd filed Critical China National Petroleum Corp
Priority to CN202010694139.6A priority Critical patent/CN111750697A/en
Publication of CN111750697A publication Critical patent/CN111750697A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28CHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C1/00Direct-contact trickle coolers, e.g. cooling towers
    • F28C1/16Arrangements for preventing condensation, precipitation or mist formation, outside the cooler
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F25/00Component parts of trickle coolers
    • F28F25/10Component parts of trickle coolers for feeding gas or vapour

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention belongs to the technical field of cooling towers, and particularly relates to a closed cooling tower and a method for eliminating saturated air at an air outlet. The invention comprises radiating fins, a blast fan, a water collector, a spraying pipeline, a radiating pipe, a water collecting tank and a shell; radiating fin, blast type fan, water collector, spray line, cooling tube and water catch bowl from last to down in proper order the level set up in the casing, radiating fin and cooling tube intercommunication. The invention changes the fan layout of the traditional closed cooling tower, sets the fan of the cooling tower as a blast fan, sets the water collector at the bottom of the fan to primarily condense and separate the saturated air, sets the radiating fins at the top of the fan to secondarily absorb the heat in the saturated air so as to ensure that the saturated air is not saturated any more, thereby achieving the purpose of eliminating 'white smoke'. The blowing type fan is arranged at the lower part of the radiating fins, so that cold energy generated by the blowing type fan is recycled, and the energy consumption is reduced.

Description

Closed cooling tower and method for eliminating air outlet saturated air
Technical Field
The invention belongs to the technical field of cooling towers, and particularly relates to a closed cooling tower and a method for eliminating saturated air at an air outlet.
Background
The hot humid air reaching the outlet of the cooling tower is at or near saturation. After the hot and humid air exits the cooling tower, the hot and humid air is mixed with the surrounding low-temperature air, and a part of water vapor in the hot and humid air is changed into liquid state, so that 'white smoke' is formed.
The air outlet of the closed cooling tower is saturated with air, so that a large amount of water resources are consumed, a large amount of white fog can be generated in winter, urban landscapes are influenced, the temperature of downwind areas is increased, and legionella can be diffused along with the fog.
Disclosure of Invention
The invention provides a closed cooling tower and a method for eliminating saturated air at an air outlet, and aims to provide a device and a method for eliminating white fog at an outlet of the cooling tower.
The technical scheme adopted by the invention is as follows:
a closed cooling tower capable of eliminating saturated air at an air outlet comprises radiating fins, a blast fan, a water collector, a spraying pipeline, a radiating pipe, a water collecting tank and a shell; radiating fin, blast type fan, water collector, spray line, cooling tube and water catch bowl from last to down in proper order the level set up in the casing, radiating fin and cooling tube intercommunication.
The top of the shell is provided with an air outlet, the side wall of the lower part of the shell is provided with an air inlet, the upper part of the shell is provided with a circulating water inlet, the middle part of the shell is provided with a spray water inlet, and the lower part of the shell is provided with a circulating water outlet; the water inlets of the radiating fins are connected with the circulating water inlet on the shell, the water outlets of the radiating fins are communicated with the water inlets of the radiating tubes, and the water outlets of the radiating tubes are connected with the circulating water outlet on the shell; the spraying pipeline is connected with a spraying water inlet on the shell.
The radiating pipe adopts a disc-shaped pipe or a Z-shaped pipe.
The side wall of the water collector is contacted with the inner side wall of the shell.
The top of the side wall of the water collecting tank is provided with a connecting part which inclines upwards and outwards.
A method for eliminating saturated air at an air outlet of a closed cooling tower comprises the following steps,
the method comprises the following steps: circulating water enters the radiating fins, the radiating fins absorb heat of damp and hot air and then enter the radiating tubes, the spraying pipelines above the radiating tubes spray spraying water onto the radiating tubes for heat absorption, and the spraying water is evaporated in the heat absorption process to generate steam;
step two: and (3) the water vapor generated in the first step rises quickly under the suction of the blast fan, after the water vapor passes through the water collector and part of water mist is collected by the water collector, the damp and hot air passes through the radiating fins, and the heat of the passing damp is secondarily absorbed by the radiating fins and then is discharged into the atmosphere.
Has the advantages that:
(1) the invention changes the fan layout of the traditional closed cooling tower, sets the fan of the cooling tower as a blast fan, sets the water collector at the bottom of the fan to primarily condense and separate the saturated air, sets the radiating fins at the top of the fan to secondarily absorb the heat in the saturated air so as to ensure that the saturated air is not saturated any more, thereby achieving the purpose of eliminating 'white smoke'.
(2) The blowing type fan is arranged at the lower part of the radiating fins, so that cold energy generated by the blowing type fan is recycled, and the energy consumption is reduced.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to clearly understand the technical solutions of the present invention and to implement the technical solutions according to the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of the present invention.
In the figure: 1-radiating fins; 2-a blower fan; 3-water collector; 4-a spray line; 5-radiating pipes; 6-a water collecting tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
The first embodiment is as follows:
referring to fig. 1, the closed cooling tower capable of eliminating saturated air at an air outlet includes a heat dissipation fin 1, a blower fan 2, a water collector 3, a spraying pipeline 4, a heat dissipation pipe 5, a water collection tank 6 and a housing 7; radiating fin 1, blast formula fan 2, water collector 3, spray line 4, cooling tube 5 and water catch bowl 6 from last to down in proper order the level set up in casing 7, radiating fin 1 and cooling tube 5 intercommunication.
During the in-service use, arrange radiating fin 1 in 2 tops of blast fan, the circulating water gets into radiating fin 1 and gets into cooling tube 5 after absorbing damp and hot air heat, and the shower water passes through spray pipe line 4 and sprays the shower water to the heat absorption on radiating tube 5, evaporates at the heat absorption in-process, produces vapor, and vapor receives partial water smoke back through receiving hydrophone 3 under the suction of blast fan 2, and damp and hot air passes through radiating fin 1 and discharges into the atmosphere. The blower fan 2 has a further cooling effect on the hot and humid air.
The invention changes the fan layout of the traditional closed cooling tower, the fan of the cooling tower is set as a blowing fan 2, the bottom of the blowing fan 2 is provided with a water collector 3 for carrying out primary condensation and separation on saturated air, and the top of the blowing fan 2 is provided with a radiating fin 1 for carrying out secondary absorption on heat in the saturated air so as to ensure that the saturated air is not saturated any more, thereby achieving the purpose of eliminating white smoke.
The invention can not only eliminate the white fog at the outlet of the cooling tower, but also can reuse the cold energy generated by the blast fan 2, thereby reducing the energy consumption.
The water collector 3 in the present embodiment is a water collector of the prior art.
Example two:
referring to fig. 1, a closed cooling tower capable of eliminating saturated air at an air outlet is disclosed, which is based on the first embodiment: an air outlet is formed in the top of the shell 7, an air inlet is formed in the side wall of the lower portion of the shell 7, a circulating water inlet is formed in the upper portion of the shell 7, a spray water inlet is formed in the middle of the shell 7, and a circulating water outlet is formed in the lower portion of the shell 7; the water inlets of the radiating fins 1 are connected with a circulating water inlet on the shell 7, the water outlets of the radiating fins 1 are communicated with the water inlets of the radiating pipes 5, and the water outlets of the radiating pipes 5 are connected with a circulating water outlet on the shell 7; the spraying pipeline 4 is connected with a spraying water inlet on the shell 7.
In practical use, the technical scheme is adopted, so that the whole arrangement of the invention is more reasonable, and the layout is simple.
Example three:
referring to fig. 1, a closed cooling tower capable of eliminating saturated air at an air outlet is disclosed, in one or two embodiments: the radiating pipe 5 adopts a disc-shaped pipe or a Z-shaped pipe.
In practical use, the radiating pipe 5 is a disc pipe or a Z-shaped pipe, so that the radiating effect is better.
Example four:
referring to a closed cooling tower capable of eliminating saturated air at an air outlet shown in fig. 1, on the basis of the first embodiment or the third embodiment: the side wall of the water collector 3 is contacted with the inner side wall of the shell 7.
When in actual use, the water collector 3 adopts the technical scheme, so that the water collector 3 can fully collect the moisture in the rising water vapor.
Example five:
referring to fig. 1, a closed cooling tower capable of eliminating saturated air at an air outlet is disclosed, in one or four embodiments: and the top of the side wall of the water collecting tank 6 is provided with a connecting part 8 which inclines upwards and outwards.
In actual use, the water collecting tank 6 adopts the technical scheme, so that water drops falling from the upper part, particularly the downflow water on the inner side wall of the shell 7 can fully flow into the water collecting tank 6 along the connecting part.
Example six:
referring to a closed cooling tower capable of eliminating saturated air at an air outlet shown in fig. 1, on the basis of the first embodiment or the fifth embodiment: an air outlet is formed in the top of the shell 7, an air inlet is formed in the side wall of the lower portion of the shell 7, a circulating water inlet is formed in the upper portion of the shell 7, a spray water inlet is formed in the middle of the shell 7, and a circulating water outlet is formed in the lower portion of the shell 7; the water inlets of the radiating fins 1 are connected with a circulating water inlet on the shell 7, the water outlets of the radiating fins 1 are communicated with the water inlets of the radiating pipes 5, and the water outlets of the radiating pipes 5 are connected with a circulating water outlet on the shell 7; the spraying pipeline 4 is connected with a spraying water inlet on the shell 7; the radiating pipe 5 adopts a disc-shaped pipe or a Z-shaped pipe; the side wall of the water collector 3 is contacted with the inner side wall of the shell 7; the top of the side wall of the water collecting tank 6 is provided with a connecting part 8 which inclines upwards and outwards
During the in-service use, in the circulating water got into radiating fin 1 through the circulating water import on casing 7, got into cooling tube 5 after absorbing damp and hot air heat and cool off, spray the water and get into spray line 4 through the shower water import on casing 7, spray the water that sprays to the last heat absorption of radiating tube 5, evaporate at the heat absorption in-process, produce vapor, vapor is under the suction of blast formula fan 2, after receiving partial water smoke through receiving hydrophone 3, damp and hot air passes through radiating fin 1 and discharges into the atmosphere. The blower fan 2 has a further cooling effect on the hot and humid air. The water produced in the entire process is collected in a collecting basin 6.
The invention changes the fan layout of the traditional closed cooling tower, the fan of the cooling tower is set as a blowing fan 2, the bottom of the blowing fan 2 is provided with a water collector 3 for carrying out primary condensation and separation on saturated air, and the top of the blowing fan 2 is provided with a radiating fin 1 for carrying out secondary absorption on heat in the saturated air so as to ensure that the saturated air is not saturated any more, thereby achieving the purpose of eliminating white smoke.
The invention can not only eliminate the white fog at the outlet of the cooling tower, but also can reuse the cold energy generated by the blast fan 2, thereby reducing the energy consumption.
Example seven:
a method for eliminating saturated air at an air outlet of a closed cooling tower comprises the following steps,
the method comprises the following steps: circulating water enters the radiating fins 1, the radiating fins 1 absorb heat of damp and hot air and then enter the radiating pipes 5, the spraying pipelines 4 above the radiating pipes 5 spray spraying water onto the radiating pipes 5 for heat absorption, and the spraying water is evaporated in the heat absorption process to generate steam;
step two: the water vapor generated in the first step rises rapidly under the suction of the blower fan 2, passes through the water collector 3, and after the water collector 3 collects partial water mist, the damp and hot air passes through the radiating fins 1, and the radiating fins 1 perform secondary absorption on the heat of the passing damp and then discharge the damp and hot air into the atmosphere.
In practical use, the invention changes the fan layout of the traditional closed cooling tower, the fan of the cooling tower is set as a blast type fan 2, the bottom of the blast type fan 2 is provided with a water collector 3 for carrying out primary condensation and separation on rising saturated air, and the top of the blast type fan 2 is provided with a radiating fin 1 for carrying out secondary absorption on heat in the saturated air so as to ensure that the saturated air is not saturated any more, thereby achieving the purpose of eliminating white smoke.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.

Claims (6)

1. A closed cooling tower, characterized in that: comprises radiating fins (1), a blast fan (2), a water collector (3), a spraying pipeline (4), a radiating pipe (5), a water collecting tank (6) and a shell (7); radiating fin (1), blast formula fan (2), water collector (3), spray line (4), cooling tube (5) and water collecting tank (6) from last to down in proper order the level set up in casing (7), radiating fin (1) and cooling tube (5) intercommunication.
2. A closed cooling tower as claimed in claim 1, wherein: an air outlet is formed in the top of the shell (7), an air inlet is formed in the side wall of the lower portion of the shell (7), a circulating water inlet is formed in the upper portion of the shell (7), a spray water inlet is formed in the middle of the shell (7), and a circulating water outlet is formed in the lower portion of the shell (7); the water inlets of the radiating fins (1) are connected with a circulating water inlet on the shell (7), the water outlets of the radiating fins (1) are communicated with the water inlets of the radiating pipes (5), and the water outlets of the radiating pipes (5) are connected with a circulating water outlet on the shell (7); the spraying pipeline (4) is connected with a spraying water inlet on the shell (7).
3. A closed cooling tower as claimed in claim 1, wherein: the radiating pipe (5) adopts a disc-shaped pipe or a Z-shaped pipe.
4. A closed cooling tower as claimed in claim 1, wherein: the side wall of the water collector (3) is in contact with the inner side wall of the shell (7).
5. A closed cooling tower as claimed in claim 1, wherein: and the top of the side wall of the water collecting tank (6) is provided with a connecting part (8) which inclines upwards and outwards.
6. The closed cooling tower of any one of claims 1 to 5, wherein the method for eliminating saturated air from the air outlet comprises the following steps,
the method comprises the following steps: circulating water enters the radiating fins (1), the radiating fins (1) absorb heat of damp and hot air and then enter the radiating pipes (5), the spraying pipelines (4) above the radiating pipes (5) spray spraying water onto the radiating pipes (5) for heat absorption, and the spraying water is evaporated in the heat absorption process to generate steam;
step two: the water vapor generated in the first step rises rapidly under the suction of the blowing fan (2), and after the water vapor passes through the water collector (3) and part of water mist is collected by the water collector (3), the damp and hot air passes through the radiating fins (1), and the heat of the passing damp is secondarily absorbed by the radiating fins (1) and then is discharged into the atmosphere.
CN202010694139.6A 2020-07-17 2020-07-17 Closed cooling tower and method for eliminating air outlet saturated air Pending CN111750697A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010694139.6A CN111750697A (en) 2020-07-17 2020-07-17 Closed cooling tower and method for eliminating air outlet saturated air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010694139.6A CN111750697A (en) 2020-07-17 2020-07-17 Closed cooling tower and method for eliminating air outlet saturated air

Publications (1)

Publication Number Publication Date
CN111750697A true CN111750697A (en) 2020-10-09

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ID=72710967

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010694139.6A Pending CN111750697A (en) 2020-07-17 2020-07-17 Closed cooling tower and method for eliminating air outlet saturated air

Country Status (1)

Country Link
CN (1) CN111750697A (en)

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