CN114136119A - Open-close type cooling tower with indirect heater for heating - Google Patents

Open-close type cooling tower with indirect heater for heating Download PDF

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Publication number
CN114136119A
CN114136119A CN202111657779.0A CN202111657779A CN114136119A CN 114136119 A CN114136119 A CN 114136119A CN 202111657779 A CN202111657779 A CN 202111657779A CN 114136119 A CN114136119 A CN 114136119A
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CN
China
Prior art keywords
water
air
cooling tower
open
wet area
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Pending
Application number
CN202111657779.0A
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Chinese (zh)
Inventor
贺颂钧
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Guangdong Lanxun Technology Development Co ltd
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Guangdong Lanxun Technology Development Co ltd
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Priority to CN202111657779.0A priority Critical patent/CN114136119A/en
Publication of CN114136119A publication Critical patent/CN114136119A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
    • F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F25/00—Component parts of trickle coolers
    • F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
    • F28F25/06—Spray nozzles or spray pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F25/00—Component parts of trickle coolers
    • F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
    • F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F25/00—Component parts of trickle coolers
    • F28F25/10—Component parts of trickle coolers for feeding gas or vapour
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
    • F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
    • F28C2001/145—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange with arrangements of adjacent wet and dry passages

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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 discloses an open-close type cooling tower with an indirect heater for heating, and belongs to the technical field of cooling towers. The method comprises the following steps: the device comprises a tower body, a water inlet pipe, a water collecting basin, at least two dividing wall type heat exchangers, at least two water distribution structures, an air draft structure and a finned tube type heater; the finned tube heater and the air draft structure are sequentially arranged at the top of the tower body from top to bottom, and the dividing wall type heat exchanger comprises an air inlet structure, a filler main body structure and an air outlet structure; the air inlet structure and the air outlet structure are both provided with a plurality of wet area channels which are vertically arranged and a plurality of dry area channels which are obliquely arranged; the wet area channels and the dry area channels are alternately arranged; one end of the finned tube heater is communicated with the input end of the water inlet pipe. The invention can reduce the generation of white fog, effectively utilize heat to heat and discharge damp and hot saturated air to form unsaturated air, reduce the water vapor content of the air, avoid water loss and save resources.

Description

Open-close type cooling tower with indirect heater for heating
Technical Field
The invention relates to the technical field of cooling towers, in particular to an open-close type cooling tower with an indirect heater for heating.
Background
A conventional cooling tower generally includes a tower body, an exhaust device, a packing layer installed in the tower body, and a spraying device. When the device is used, hot water sprayed by the spraying device is sprayed into the packing layer from top to bottom, external dry and cold air enters the packing from bottom to top, the hot water and the cold air exchange heat in the packing layer to cool the hot water, the air is heated and humidified, and the hot water and the cold air are discharged out of the tower from the air outlet by high-temperature and high-humidity air. However, in winter, the high-temperature and high-humidity air has a high water vapor content, and is cooled by outside cold air when being discharged outside the tower, and is condensed to generate a large amount of water droplets, thereby generating white mist. The white fog falls on the ground, so that the road surface around the cooling tower is wet and slippery, and the normal inspection of workers is influenced. Moreover, a large amount of water is lost by evaporation, which is far from meeting the industrial requirements.
The existing cooling tower has the following defects:
(1) the water vapor content of the discharged air is high, so that a large amount of water is evaporated and lost;
(2) white fog is generated, so that the road surface around the cooling tower is wet and slippery, and the normal inspection of workers is influenced;
(3) the heat cannot be effectively utilized.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an open-close type cooling tower with an indirect heater for heating, which can reduce the generation of white fog, effectively utilize heat to heat and discharge damp and hot saturated air to form unsaturated air, reduce the water vapor content of the air, avoid water loss and save resources.
An open-close cooling tower with indirect heater heating, comprising: the device comprises a tower body, a water inlet pipe, a water collecting basin, at least two dividing wall type heat exchangers, at least two water distribution structures, an air draft structure and a finned tube type heater;
the water inlet pipe is arranged at the top of the tower body, and the water collecting basin is arranged at the bottom of the tower body;
at least two dividing wall type heat exchangers are arranged at the top of the water collecting basin, and a mixing interval is arranged between the two dividing wall type heat exchangers; the finned tube heater and the air draft structure are sequentially arranged at the top of the tower body from top to bottom, and the air draft structure is arranged above the mixing section;
the dividing wall type heat exchanger comprises an air inlet structure, a filler main body structure and an air outlet structure; the air inlet structure and the air outlet structure are respectively arranged on the left side and the right side of the filler main body structure; the air inlet structure and the air outlet structure are both provided with a plurality of wet area channels which are vertically arranged and a plurality of dry area channels which are obliquely arranged; the wet area channels and the dry area channels are alternately arranged; one end, close to the main filler structure, of the dry area channel is communicated with the main filler structure, and one end, far away from the main filler structure, of the dry area channel is provided with an air inlet; each water distribution structure is arranged above each dividing wall type heat exchanger, and the lower end of the wet area channel is communicated with the mixing area;
the output end of the water inlet pipe is respectively communicated with the inlet end of the water distribution structure and the top of the filler main body structure, the water distribution structure is provided with a plurality of water outlet ends, and each water outlet end is communicated with the upper end of the corresponding wet area channel; one end of the finned tube heater is communicated with the input end of the water inlet pipe.
Furthermore, the water distribution structure comprises a water distribution spray pipe, the water distribution spray pipe is provided with a plurality of spray holes, and at least one spray hole is arranged above each wet area channel.
Further, the dry area channel is obliquely arranged in a low-inside and high-outside mode.
Further, the convulsions structure is the fan, the basin that catchments is provided with the suction pump, the suction pump with the inlet tube intercommunication.
Further, the fan includes motor and centrifugal blade, the motor with centrifugal blade all set up in mix the top between the interval, centrifugal blade cover is located on the power take off of motor.
Furthermore, a plurality of wet area channels are sequentially arranged from front to back to form a row of wet area groups, and a plurality of dry area channels are sequentially arranged from front to back to form a row of dry area groups;
the wet area groups in a plurality of rows and the dry area groups in a plurality of rows are arranged at intervals from left to right, and at least one dry area group is arranged between every two adjacent wet area groups.
Further, the filler main body structure is formed by stacking a plurality of filler sheets.
Furthermore, the packing sheets are provided with a plurality of inclined through grooves, the inclined through grooves of the two vertically adjacent packing sheets are communicated with each other, and the inclined directions of the two vertically adjacent inclined through grooves are opposite.
Further, the water inlet temperature of the water inlet pipe is not less than 60 degrees.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention is provided with a dry area channel and a wet area channel both arranged on the air inlet part and the air outlet part, the water distribution structure sprays cooling water to the wet area channel of the dividing wall type heat exchanger, the side wall of the wet area channel exchanges heat with dry air of the dry area channel, the dry air after heat exchange passes through the dividing wall type heat exchanger and the wet area channel to a mixing area, and finally is exhausted out of the tower body through the air exhaust structure to form unsaturated air which is then exhausted into an environmental atmosphere, thereby reducing the generation of white smoke, realizing the fog dissipation function and having simple operation.
(2) When the dry airflow and the wet airflow exchange heat in the heat exchanger, the dry airflow and the cold airflow absorb heat, and the water vapor in the wet airflow is condensed into water drops and flows downwards from the wet area channel of the dividing wall type heat exchanger, so that the water vapor content of the discharged airflow can be reduced, the evaporation loss of water is reduced, and the water-saving and fog-removing effects are achieved.
(3) The finned tube type heater can effectively utilize heat, the finned tube type heater is arranged above the air draft structure, moisture with heat firstly enters the finned tube type heater to heat and discharge damp and hot saturated air which is transmitted upwards to form unsaturated air, and then flows into the water inlet pipe to be conveyed downwards, so that the water vapor content of the air is reduced, the moisture loss is avoided, the heat of hot water is effectively utilized, and resources are saved.
Drawings
FIG. 1 is a schematic structural diagram of an open-close cooling tower with indirect heater heating according to an embodiment of the present invention;
fig. 2 is a schematic partial structural view of a dividing wall type heat exchanger according to an embodiment of the present invention;
fig. 3 is a schematic view of a part of an enlarged structure at a position provided in fig. 2.
In the figure: 1. a tower body; 2. a water inlet pipe; 3. a water collecting basin; 4. a dividing wall type heat exchanger; 41. an air inlet part; 42. a filler body structure; 421. a filler sheet; 43. an air outlet part; 5. a water distribution structure; 6. an air draft structure; 61. a motor; 62. a centrifugal blade; 7. a wet zone channel; 8. a dry zone channel; 9. a water pump; 10. finned tube heaters.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
As shown in fig. 1 to 3, an open-close cooling tower with indirect heater heating comprises: the device comprises a tower body 1, a water inlet pipe 2, a water collecting basin 3, at least two dividing wall type heat exchangers 4, at least two water distribution structures 5, an air draft structure 6 and a fin tube type heater 10; the water inlet pipe 2 is arranged at the top of the tower body 1, and the water collecting basin 3 is arranged at the bottom of the tower body 1; at least two dividing wall type heat exchangers 4 are arranged at the top of the water collecting basin 3, and a mixing interval is arranged between the two dividing wall type heat exchangers 4; the finned tube heater 10 and the air draft structure 6 are sequentially arranged at the top of the tower body 1 from top to bottom, and the air draft structure 6 is arranged above the mixing section; the dividing wall type heat exchanger 4 comprises an air inlet structure, a filler main body structure 42 and an air outlet structure; the air inlet structure and the air outlet structure are respectively arranged at the left side and the right side of the filler main body structure 42; the air inlet structure and the air outlet structure are both provided with a plurality of wet area channels 7 which are vertically arranged and a plurality of dry area channels 8 which are obliquely arranged; the wet area channels 7 and the dry area channels 8 are alternately arranged; one end of the dry area channel 8 close to the main filler structure 42 is communicated with the main filler structure 42, and one end of the dry area channel 8 far away from the main filler structure 42 is provided with an air inlet; each water distribution structure 5 is arranged above each dividing wall type heat exchanger 4, and the lower end of the wet area channel 7 is communicated with the mixing area; the output end of the water inlet pipe 2 is respectively communicated with the inlet end of the water distribution structure 5 and the top of the filler main structure 42, the water distribution structure 5 is provided with a plurality of water outlet ends, and each water outlet end is communicated with the upper end of the corresponding wet area channel 7; one end of the finned tube heater 10 is communicated with the input end of the water inlet pipe 2.
According to the invention, the air inlet part 41 and the air outlet part 43 are both provided with the dry area channel 8 and the wet area channel 7, the water distribution structure 5 sprays cooling water to the wet area channel 7 of the dividing wall type heat exchanger 4, the side wall of the wet area channel 7 exchanges heat with dry air of the dry area channel 8, the dry air after heat exchange passes through the dividing wall type heat exchanger 4 and the wet air of the wet area channel 7 to a mixing region, and finally is exhausted out of the tower body 1 through the air exhaust structure to form unsaturated air, and then is exhausted into an environmental atmosphere, so that the generation of white smoke is reduced, no valve is required to be arranged to control two or more than two modes, one mode is adopted, the fog eliminating function is realized, and the operation is simple. When the dry airflow and the wet airflow exchange heat in the heat exchanger, the dry airflow and the cold airflow absorb heat, and water vapor in the wet airflow is condensed to form water drops and flows downwards from the wet area channel 7 of the dividing wall type heat exchanger 4, so that the water vapor content of the discharged airflow can be reduced, the evaporation loss of water is reduced, and the water-saving and fog-removing effects are achieved. The cross flow open-close type cooling tower utilizes the pressure generated by a water pump or other pressure devices to ensure that water with higher temperature, namely cooling water, comes out from a condenser, an absorber or process equipment and the like; the hot water that needs to be cooled in this embodiment is at first through fin tubular heater 10 heating, set up fin tubular heater 10 in the top of convulsions structure 6, the moisture that has the heat firstly gets into fin tubular heater 10 in to the moist hot saturated air of transmission up heat discharge form unsaturated air, the water inflow inlet tube 2 is carried towards the below (water distribution structure 5 and filler major structure 42) again, reduce the vapor content of air, avoid the moisture loss, effectively utilize the heat of hot water, resources are saved. Part of hot water, namely cooling water, of the water inlet pipe 2 is conveyed into the water distribution structure 5, the water distribution structure 5 is uniformly sprayed in a wet area channel 7 of the dividing wall type heat exchanger 4 to form small water droplet spraying particles moving vertically downwards at a high speed, the task of increasing the surface area of water droplets is completed, the water droplets meet the side wall of an adjacent dry area channel 8 containing outside air flow in the descending process to carry out heat exchange, namely, hot and wet air flow exchanges heat in the heat exchanger, dry and cold air flow absorbs heat, water vapor in the wet and hot air flow is condensed to form water droplets and flows downwards from the heat exchanger, the heat of the fluid is firstly transmitted to the side wall of the wet area channel 7 and then transmitted to the side wall of the dry area channel 8 in the dividing wall type heat exchanger 4 through the side wall of the wet area channel 7, the air in the dry area channel 8 is transmitted to a spraying water film after the first heat exchange, and the spraying water film is formed by supplying hot water from the water inlet pipe 2 to flow on the filler main body structure 42, the hot water that inlet tube 2 provided flows down to the basin 3 in from top to bottom from filler major structure 42, and water film and air form saturated damp and hot steam, and the heat is the atmosphere of exhausting structure 6 row by the fan promptly to make the air current follow the central authorities top (the gas vent promptly) of tower body 1 under the about effect of fan outside the tower body 1 is discharged, mix to be unsaturated air, arrange the environmental atmosphere again, the effectual white cigarette that prevents produces. The inner surface (namely the side wall of the wet area channel 7) of the dividing wall type heat exchanger 4 is condensed, the outer surface (the side wall of the dry area channel 8) is evaporated, and the cooled cooling water is collected into the water collecting basin 3 and then input into the cooling equipment by the cooling water pump, so that the circulation is continuous, and the purpose of cooling effect is achieved. In this embodiment, two dividing wall type heat exchangers 4 are arranged, a mixing interval is formed between the two dividing wall type heat exchangers 4, each dividing wall type heat exchanger 4 is provided with an air inlet portion 41, a filler main structure 42 and an air outlet portion 43 which are connected from left to right, dry and cold air is transmitted to a dry area channel 8 of the air outlet portion 43 from a dry area channel 8 of the air inlet portion 41 to the filler main structure 42 and then is discharged to the mixing interval, a wet area channel 7 is an independent vertical space, and cooling water is transmitted to the water collecting basin 3 from top to bottom. The packing main body structure 42 is formed by stacking a plurality of packing sheets 421, each packing sheet 421 is provided with a plurality of inclined through grooves, the inclined through grooves of the two upper and lower adjacent packing sheets 421 are communicated with each other, hot water can flow into the inclined through grooves, and the opposite inclined directions of the two upper and lower adjacent inclined through grooves can increase the path length of hot water flowing through, so that the heat exchange efficiency is improved. The filler sheet 421 is made of heat conductive material, so that effective heat exchange is conveniently realized. Part of the hot water of the inlet pipe 2, i.e. the cooling water, which can form a water film through the inclined through slots of the packing sheets 421 or the gaps between the packing sheets 421, can flow into the packing body structure 42. The direction of the dry and cold air flow is shown by the black arrows in fig. 1.
Further, the water distribution structure 5 comprises a water distribution spray pipe, the water distribution spray pipe is provided with a plurality of spray holes, and at least one spray hole is arranged above each wet area channel 7. The water distribution spray pipe in the embodiment is provided with a plurality of spray holes. The spray holes are sprayed and cooled to the upper ends of the corresponding wet area channels 7, each wet area channel 7 is independent of the other wet area channels and does not interfere with each other, at least one spray hole in each wet area channel 7 inputs cooling water to the upper ends of the wet area channels 7, the cooling water is conveyed from the upper ends of the wet area channels 7 to the lower ends of the wet area channels 7 and finally to the water collecting basin 3, and hot and humid air is discharged to a mixing area. The water distribution spray pipe is arranged at the top of the wet area channel 7, and a plurality of spray holes are not shown by reference numbers in the drawing.
Further, the dry zone channel 8 is obliquely arranged with a low inside and a high outside. The inclined arrangement has the function of air guiding, and has the function of water collection, and the water is effectively recovered.
Further, convulsions structure 6 is the fan, and basin 3 that catchments is provided with suction pump 9, and suction pump 9 communicates with inlet tube 2. The air draft structure 6 can also select an air pump and other structures with air draft functions, and the water suction pump 9 is used for recycling hot water in the water collecting basin 3 for cooling again; can provide power to convey the water in the water collecting basin 3 to the water inlet pipe 2.
Further, the fan includes motor 61 and centrifugal blade 62, and motor 61 and centrifugal blade 62 all set up in the top that mixes the interval, and centrifugal blade 62 cover is located on the power take off of motor 61. The motor 61 and the centrifugal blade 62 are both arranged above the mixing section, and the motor 61 is used for driving the centrifugal blade 62 to rotate, so that the effects of air suction outside the dividing wall type heat exchanger 4 and air exhaust above the mixing section are achieved.
Furthermore, a plurality of wet area channels 7 are sequentially arranged from front to back to form a row of wet area groups, and a plurality of dry area channels 8 are sequentially arranged from front to back to form a row of dry area groups;
the wet area groups and the dry area groups are arranged at intervals from left to right, and at least one dry area group is arranged between every two adjacent wet area groups. As shown in fig. 2, the dry zone group and the wet zone group are arranged at intervals to ensure that the side walls of the wet zone channel 7 and the side walls of the dry zone channel 8 exchange heat.
Further, the packing main body structure 42 is formed by stacking a plurality of packing sheets 421. As shown in fig. 3, the plurality of fillers form gaps in the horizontal direction, and the cooling water passes through the gaps to form a water film.
Further, the packing sheets 421 are provided with a plurality of inclined through grooves, the inclined through grooves of two vertically adjacent packing sheets 421 are communicated with each other, and the inclined directions of the two vertically adjacent inclined through grooves are opposite. The inclined through grooves connected up and down are opposite in direction to form a plurality of circuitous loops, so that the path of cooling water is increased, the contact area of heat exchange is increased, and the heat exchange efficiency is improved.
Further, the inlet water temperature of the inlet pipe 2 is not less than 60 ℃. The open-close cooling tower with indirect heater is suitable for industrial field, and has very high water inlet temperature, usually 60 deg.c or higher.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (9)

1. An open-close cooling tower with indirect heater heating, comprising: the device comprises a tower body, a water inlet pipe, a water collecting basin, at least two dividing wall type heat exchangers, at least two water distribution structures, an air draft structure and a finned tube type heater;
the water inlet pipe is arranged at the top of the tower body, and the water collecting basin is arranged at the bottom of the tower body;
at least two dividing wall type heat exchangers are arranged at the top of the water collecting basin, and a mixing interval is arranged between the two dividing wall type heat exchangers; the finned tube heater and the air draft structure are sequentially arranged at the top of the tower body from top to bottom, and the air draft structure is arranged above the mixing section;
the dividing wall type heat exchanger comprises an air inlet structure, a filler main body structure and an air outlet structure; the air inlet structure and the air outlet structure are respectively arranged on the left side and the right side of the filler main body structure; the air inlet structure and the air outlet structure are both provided with a plurality of wet area channels which are vertically arranged and a plurality of dry area channels which are obliquely arranged; the wet area channels and the dry area channels are alternately arranged; one end, close to the main filler structure, of the dry area channel is communicated with the main filler structure, and one end, far away from the main filler structure, of the dry area channel is provided with an air inlet; each water distribution structure is arranged above each dividing wall type heat exchanger, and the lower end of the wet area channel is communicated with the mixing area;
the output end of the water inlet pipe is respectively communicated with the inlet end of the water distribution structure and the top of the filler main body structure, the water distribution structure is provided with a plurality of water outlet ends, and each water outlet end is communicated with the upper end of the corresponding wet area channel; one end of the finned tube heater is communicated with the input end of the water inlet pipe.
2. The open-close cooling tower with indirect heater heating of claim 1, wherein:
the water distribution structure comprises a water distribution spray pipe, the water distribution spray pipe is provided with a plurality of spray holes, and at least one spray hole is arranged above each wet area channel.
3. The open-close cooling tower with indirect heater heating of claim 1, wherein:
the dry area channel is obliquely arranged with a low inside and a high outside.
4. The open-close cooling tower with indirect heater heating of claim 1, wherein:
the air draft structure is a fan, the water collecting basin is provided with a water suction pump, and the water suction pump is communicated with the water inlet pipe.
5. The open-close cooling tower with indirect heater heating of claim 4, wherein:
the fan includes motor and centrifugal blade, the motor with centrifugal blade all set up in mix the top between the interval, centrifugal blade cover is located on the power take off of motor.
6. The open-close cooling tower with indirect heater heating of claim 1, wherein:
the wet area channels are sequentially arranged from front to back to form a row of wet area groups, and the dry area channels are sequentially arranged from front to back to form a row of dry area groups;
the wet area groups in a plurality of rows and the dry area groups in a plurality of rows are arranged at intervals from left to right, and at least one dry area group is arranged between every two adjacent wet area groups.
7. The open-close cooling tower with indirect heater heating of claim 1, wherein:
the filler main body structure is formed by stacking a plurality of filler sheets.
8. The open-close cooling tower with indirect heater heating of claim 7, wherein:
the packing sheets are provided with a plurality of inclined through grooves, the inclined through grooves of the two vertically adjacent packing sheets are communicated with each other, and the inclined directions of the two vertically adjacent inclined through grooves are opposite.
9. The open-close cooling tower with indirect heater heating of claim 1, wherein:
the water inlet temperature of the water inlet pipe is not less than 60 ℃.
CN202111657779.0A 2021-12-30 2021-12-30 Open-close type cooling tower with indirect heater for heating Pending CN114136119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111657779.0A CN114136119A (en) 2021-12-30 2021-12-30 Open-close type cooling tower with indirect heater for heating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111657779.0A CN114136119A (en) 2021-12-30 2021-12-30 Open-close type cooling tower with indirect heater for heating

Publications (1)

Publication Number Publication Date
CN114136119A true CN114136119A (en) 2022-03-04

Family

ID=80383872

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111657779.0A Pending CN114136119A (en) 2021-12-30 2021-12-30 Open-close type cooling tower with indirect heater for heating

Country Status (1)

Country Link
CN (1) CN114136119A (en)

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