CN214010027U - Open-close type fog-eliminating cooling tower - Google Patents
Open-close type fog-eliminating cooling tower Download PDFInfo
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- CN214010027U CN214010027U CN202022326515.4U CN202022326515U CN214010027U CN 214010027 U CN214010027 U CN 214010027U CN 202022326515 U CN202022326515 U CN 202022326515U CN 214010027 U CN214010027 U CN 214010027U
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Abstract
The utility model discloses an open-close type fog dispersal cooling tower, which comprises a tower body, wherein the top part is provided with an air duct, and the lower part is provided with a shutter; the interior of the tower body is sequentially provided with a fog dispersal module, a water collector, a spraying mechanism, a cooling area and a water tank from the top to the bottom; the cooling area comprises an open cooling area and a closed cooling area which are arranged at intervals; a cooling tower PVC filler is arranged in the open cooling zone; a cooler is arranged in the closed cooling area. A cooler, one end of which is provided with a liquid inlet and the other end of which is provided with a liquid outlet; the liquid outlet is communicated with the water tank through a pipeline; the liquid inlet is communicated with the spraying mechanism. The spraying mechanism comprises a first spraying pipe and a second spraying pipe; the first spray pipe is communicated with the water tank through a circulating water pump and is provided with a plurality of first spray heads; the second spraying pipe is arranged below the first spraying pipe, two ends of the second spraying pipe are communicated with the first spraying pipe, and two ends of the second spraying pipe are provided with first switch valves. The utility model discloses can reduce the evaporation loss of industry cooling water.
Description
Technical Field
The utility model belongs to the technical field of the cooling tower, specifically speaking relates to switching formula fog dispersal cooling tower.
Background
In the operation process of a traditional mechanical ventilation cooling tower, cold air generates saturated damp and hot air after exchanging heat with water in the cooling tower, and after the damp and hot air is mixed with the cold air, the damp and hot air is cooled and condensed to form a fog mass containing a plurality of tiny liquid particle groups, so that evaporation loss is caused.
Meanwhile, because the height of the mechanical ventilation cooling tower is low, the visibility of surrounding residential areas and traffic roads is influenced by the drifting of fog masses, and the normal routing inspection of workers is influenced by the wet and slippery road surface around the cooling tower.
At present, the fog dispersal cooling tower on the market has two kinds: one is to pre-cool the system circulating water by heat exchange between the finned tube or the metal sheet and the outside dry air, the temperature of the system circulating water is reduced (the thermal load is reduced when the system water is sprayed and evaporated, which is equivalent to water saving), and the dry air cooling temperature is increased; the system water enters the spraying system again and is sprayed to the surface of the filler for evaporation, the air gradually reaches a saturated state and is mixed with the heating dry air cooler, the air and the saturation are reduced and discharged to the atmosphere through the air duct, and the aims of fog dissipation and water saving are fulfilled.
The fog dissipation cooling tower is high in investment, fins are easy to dirty and block, the water pump energy consumption is high due to the fact that the water lift of the system is high (a fog dissipation module is located above spraying), and the air volume of an air duct needs to be increased by 20% -40% (the energy consumption of a motor is increased by 20% -40%).
The other method is that the fog dispersal module sprays system water to the surface of the filler through external dry air to generate wet air condensation, the dry air cooling temperature is increased, the heated dry air is mixed with the wet air with the reduced temperature, the saturation of the wet air is reduced, and the purposes of water saving and fog dispersal are achieved.
An air inlet needs to be arranged below the fog dissipation module of the fog dissipation cooling tower, the height of equipment is high (the civil engineering cost is high), the air inlet needs to be additionally arranged, the air volume of an air duct needs to be increased by 20-40%, and the energy consumption of a motor is increased by 20-40%; in summer, the louver at the air inlet is in a closed state in most of time, external dry air can only enter from the louver at the bottom of the equipment, and is discharged into the atmosphere through the filler, the water collector and the fog dissipation module, the resistance in the process is greatly increased, the air volume of the air duct is reduced, and the cooling efficiency of the cooling tower is greatly reduced.
The two forms increase the cold air circulation quantity by increasing the energy consumption of the wind barrel and reduce the evaporation quantity of the system water.
In winter, the air duct is completely closed, the temperature of circulating water can be reduced very low, particularly in inner Mongolia areas of Xinjiang, the bottom of a filler of a cooling tower is seriously iced, the reason that the temperature of the circulating water is too low is that the temperature of a dry-wet bulb in winter is low, the filler area of an open tower is large, the circulating water can be evaporated all the time as long as air flowing through the filler is unsaturated, and the temperature of the circulating water can be reduced all the time even if the temperature of the circulating water is reduced to the temperature required by process water, so that unnecessary evaporation loss of equipment is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above not enough, provide switching formula fog dispersal cooling tower, overcome the defect that prior art exists, can reduce the evaporation loss of industry cooling water, reduce industrial circulating water system's water consumption, practice thrift the electric energy simultaneously.
In order to solve the technical problem, the technical scheme of the utility model is that:
an open-close type fog dispersal cooling tower comprises
The top of the tower body is provided with an air duct, and the lower part of the tower body is provided with a shutter; the interior of the tower body is sequentially provided with a fog dispersal module, a water collector, a spraying mechanism, a cooling area and a water tank from the top to the bottom;
the cooling area comprises an open cooling area and a closed cooling area which are arranged at intervals.
Preferably, the first and second liquid crystal materials are,
a cooling tower PVC filler is arranged in the open cooling zone; a cooler is arranged in the closed cooling area.
Preferably, the first and second liquid crystal materials are,
a cooler, one end of which is provided with a liquid inlet and the other end of which is provided with a liquid outlet; the liquid outlet is communicated with the water tank through a pipeline; the liquid inlet is communicated with the spraying mechanism.
Preferably, the first and second liquid crystal materials are,
the spraying mechanism comprises a first spraying pipe and a second spraying pipe; the first spray pipe is communicated with the water tank through a circulating water pump and is provided with a plurality of first spray heads;
the second spraying pipe is arranged below the first spraying pipe, two ends of the second spraying pipe are communicated with the first spraying pipe, and two ends of the second spraying pipe are provided with first switch valves;
a plurality of second spray headers are arranged on the second spray pipes;
the first spray pipe is communicated with the liquid inlet through a pipeline, and a second switch valve is arranged on the pipeline.
Preferably, the first and second liquid crystal materials are,
still include the baffle, the baffle separates open cooling district, closed cooling district, and the baffle extends to the lower extreme of fog dispersal module and is connected with fog dispersal module all the time upwards.
Preferably, the first and second liquid crystal materials are,
the fog dissipation module comprises a plurality of heat exchange plate sheets, and the heat exchange plate sheets are provided with bulges and grooves matched with the bulges;
the heat exchange plates are separated into a gas circulation channel for cross heat exchange, a first channel and a second channel which are not communicated with each other and are vertical to each other.
Preferably, the first and second liquid crystal materials are,
the heat exchange plate is made of stainless steel.
Preferably, the first and second liquid crystal materials are,
the cooler comprises a plurality of heat exchange tubes which are arranged in parallel, a first water collecting tank is arranged at one end of each heat exchange tube, and a second water collecting tank is arranged at the other end of each heat exchange tube; the liquid inlet is arranged on the first water collecting tank, and the liquid outlet is arranged on the second water collecting tank.
The utility model adopts the above technical scheme, compare with prior art, have following advantage:
1. the energy consumption of the air duct is 20-40% lower than that of a common fog dissipation cooling tower, and the annual average water saving rate is 30-40% higher than that of the common cooling tower;
2. no additional dry air inlet is needed, and the tower is suitable for newly built towers and reformed towers;
3. 3 running states can be set, namely 3 running states in summer, spring and autumn and winter respectively, so that water resources are saved to the maximum extent.
Drawings
FIG. 1 is a schematic structural view of an open-close type fog dispersal cooling tower of the utility model;
FIG. 2 is an enlarged view of a portion of the structure of FIG. 1 at C;
FIG. 3 is a schematic structural view of a cooler according to the present invention;
FIG. 4 is a schematic structural view of a cross-section A-A in FIG. 1;
fig. 5 is a schematic structural view of a cross section at B-B in fig. 1.
In the figure, the position of the upper end of the main shaft,
1-tower body, 2-fog dispersal module, 3-baffle, 4-water collector, 5-first spray pipe, 6-second spray pipe, 7-open cooling zone, 8-closed cooling zone, 9-cooler, 10-water tank, 12-air duct, 13-shutter, 91-heat exchange tube bank, 92-first water collecting tank, 93-second water collecting tank, 94-liquid inlet, 95-liquid outlet, 96-heat exchange tube, 51-first spray header, 61-second spray header, 14-first switch valve, 15-second switch valve, 23-heat exchange plate, 231-groove, 232-bulge, 21-first channel and 22-second channel.
Detailed Description
In order to clearly understand the technical features, objects and effects of the present invention, the detailed embodiments of the present invention will be described with reference to the accompanying drawings, and those skilled in the art will understand that the following does not limit the scope of the present invention.
In the embodiment, as shown in fig. 1-5, the open-close type fog dispersal cooling tower comprises a tower body 1, wherein an air duct 12 is arranged at the top of the tower body 1, a shutter 13 is arranged at the lower part of the tower body 1, the air duct 12 is a kinetic energy recovery type air duct, and a fan is adopted in an induced draft type.
The interior of the tower body 1 is sequentially provided with a fog dispersal module 2, a water collector 4, a spraying mechanism, a cooling area and a water tank 10 from the top to the bottom.
The fog dispersal module 2 is positioned below the air duct 12 and comprises a plurality of heat exchange plates 23, and the heat exchange plates 23 are provided with protrusions 232 and grooves 231 matched with the protrusions 232; the different heat exchanger plates 23 are assembled together by the protrusions 232 and the grooves 231. The heat exchange plates 23 are separated into gas circulation channels for cross heat exchange, a first channel 21 and a second channel 22, and the first channel 21 and the second channel 22 are not communicated with each other and are perpendicular to each other.
The heat exchanging plate 23 is made of stainless steel, heat conductive plastic, or the like.
The cooling area is divided into a plurality of open cooling areas 7 and closed cooling areas 8 through the partition plates 3, and the open cooling areas 7 and the closed cooling areas 8 are arranged at intervals; the open cooling area 7 and the closed cooling area 8 are separated by the partition plate 3, and the partition plate 3 extends up to the lower end of the fog dispersal module 2 and is connected with the fog dispersal module 2.
And a cooling tower PVC filler is arranged in the open cooling area 7.
A cooler 9 is arranged in the closed cooling area 8; the cooler 9 comprises a heat exchange tube bank 91, the heat exchange tube bank 91 comprises a plurality of heat exchange tubes 96 which are arranged in parallel, and the heat exchange tubes 96 are tubes with smooth surfaces or high-efficiency corrugated tubes; one end of the heat exchange tube bank 91 is provided with a first water collecting tank 92, and the other end is provided with a second water collecting tank 93;
the first water collecting tank 92 is provided with a liquid inlet 94, and the second water collecting tank 93 is provided with a liquid outlet 95; the liquid outlet 95 is communicated with the water tank 10 through a pipe.
The spraying mechanism comprises a first spraying pipe 5 and a second spraying pipe 6, the first spraying pipe 5 is communicated with the water tank 10 through a circulating water pump, the first spraying pipe 5 is provided with a plurality of first spraying heads 51, and the first spraying heads 51 are arranged above the open cooling area 7.
The second spraying pipe 6 is arranged below the first spraying pipe 5, two ends of the second spraying pipe 6 are communicated with the first spraying pipe 5 through pipelines, and two ends of the second spraying pipe are respectively provided with a first switch valve 14.
The pipe diameter of the second spray pipe 6 is smaller than that of the first spray pipe 5;
the second spray pipe 6 is provided with a plurality of second spray heads 61, and the second spray heads 61 are arranged above the closed cooling area 8. The first on-off valve 14 is closed and the second shower head 61 does not spray water. The system water is uniformly sprayed to the surface of the heat exchange tube bank 91 of the cooler 9 through the second spray header 61, and the heat of the system water is taken away through evaporation.
The system water is uniformly sprayed to the open cooling area 7 through the first spray header 51, and the spray water is sprayed to the surface of the open cooling area 7 to evaporate and take away the heat of the system water.
The first spraying pipe 5 is communicated with the liquid inlet 94 through a pipeline, and a second switch valve 15 is arranged on the pipeline; spraying water to the surface of the filler to evaporate and take away the heat of the system water.
The water collector 4 is positioned below the fog dispersal module 2 to prevent large liquid drops from being pumped out of the tower through the air duct 12. The shutter 13 is an air inlet, and air flows from bottom to top and is discharged through an air outlet of the air duct 12. The water tank 10 is located the equipment bottom, and the water tank 10 is connected the spray pump, and most water drops back to in the water tank 10 behind open cooling zone 7, and the recirculation.
The working principle is as follows:
running in summer, the water pump sends spray water into the first spray pipe 5 and the second spray pipe 6, the spray water is uniformly sprayed to the open cooling area 7 through the first spray head 51 on the first spray pipe 5, the spray water is sprayed to the surface of the cooler 9 through the second spray head 61 on the second spray pipe 6, the heat of system water is taken away by vaporization and evaporation, the outside dry air passes through the air duct 12 at the top and passes through the filler and the outer surface water film of the cooler 9, the air gradually reaches a saturated state, water drops carried in the saturated wet air are removed through the water collector 4, the saturated air formed in the open cooling area 7 and the saturated air formed in the closed cooling area 8 respectively enter the defogging module 2 through respective channels (the open cooling area 7 and the closed cooling area are separated through the middle partition plate), the defogging module 2 performs indirect heat exchange, the uncondensed saturated air is discharged into the atmosphere through the air duct 12, most of the shower water falls back down into the water tank 10 and is pressurized by the circulating water pump for recycling.
And when the shower head runs in spring and autumn, the first switch valve 14 closes the second spray header 61. A part of system water is sent into the first spray pipe 5 by the water pump, and is uniformly sprayed to the surface of the filler of the open cooling area 7 through the first spray head 51 on the spray pipe, so that the heat of the system water is taken away by vaporization and evaporation; the other part of system water enters a cooler 9, a heat exchange pipe of the cooler 9 is a light pipe or a high-efficiency corrugated pipe, the temperature of the outside dry air is increased after passing through fins, and the temperature of the system water in the pipe is reduced; saturated air formed in the open cooling area 7 and air heated in the closed cooling area 8 enter the fog dissipation module 2 through respective channels respectively, partition-type heat exchange is carried out on the fog dissipation module 2, the temperature of mixed air coming out of the fog dissipation module 2 is increased, the relative humidity is reduced, unsaturated air is pumped out of the tower body 1 through the air duct 12 at the top of the tower body 1, and spray water filled in the open cooling area 7 falls back into the water tank 10 and is recycled after being pressurized by the circulating water pump.
In winter, the first switch valve 14 is closed, the second switch valve 15 is closed, the water pump sends all the system water into the first spray pipe 5, the system water is uniformly sprayed to the surface of the filler of the open cooling area 7 through the first spray head 51 on the first spray pipe 5, and the heat of the system water is taken away by vaporization and evaporation; saturated air formed in the open cooling area 7 and dry and cold air passing through the outside of the closed cooling area 8 enter the fog dissipation module 2 through respective channels respectively, dividing-wall type heat exchange is carried out on the fog dissipation module 2, the temperature of the saturated air is reduced, part of the saturated air is condensed, the temperature of the dry and cold air is raised, the temperature of mixed gas coming out of the fog dissipation module 2 is reduced, the relative humidity is reduced, unsaturated air is drawn out of the tower body 1 through a wind barrel 12 at the top of the tower body 1, spray water in the open cooling area 7 falls back to a water tank 10 downwards and is pressurized by a circulating water pump for recycling.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (8)
1. Open-close type fog dispersal cooling tower is characterized in that: comprises that
The top of the tower body (1) is provided with an air duct (12), and the lower part of the tower body is provided with a shutter (13); the tower body (1) is internally provided with a fog dispersal module (2), a water collector (4), a spraying mechanism, a cooling area and a water tank (10) from the top to the bottom in sequence;
the cooling area comprises open cooling areas (7) and closed cooling areas (8) which are arranged at intervals.
2. The open-close type defogging and cooling tower according to claim 1, wherein:
a cooling tower PVC filler is arranged in the open cooling zone (7);
a cooler (9) is arranged in the closed cooling area (8).
3. The open-close type defogging and cooling tower according to claim 2, wherein:
a cooler (9) with a liquid inlet (94) at one end and a liquid outlet (95) at the other end;
the liquid outlet (95) is communicated with the water tank (10) through a pipeline;
the liquid inlet (94) is communicated with the spraying mechanism.
4. The open-close type defogging and cooling tower according to claim 3, wherein:
the spraying mechanism comprises a first spraying pipe (5) and a second spraying pipe (6);
the first spray pipe (5) is communicated with the water tank (10) through a circulating water pump, and the first spray pipe (5) is provided with a plurality of first spray heads (51);
the second spraying pipe (6) is arranged below the first spraying pipe (5), two ends of the second spraying pipe (6) are communicated with the first spraying pipe (5), and two ends are provided with first switch valves (14);
a plurality of second spray headers (61) are arranged on the second spray pipe (6);
the first spraying pipe (5) is communicated with the liquid inlet (94) through a pipeline, and a second switch valve (15) is arranged on the pipeline.
5. The open-close type defogging and cooling tower according to claim 2, wherein:
still include baffle (3), open cooling zone (7), closed cooling zone (8) are separated apart to baffle (3), and baffle (3) extend up to the lower extreme of fog dispersal module (2) and are connected with fog dispersal module (2) all the time.
6. The open-close type defogging and cooling tower according to claim 1, wherein:
the fog dispersal module (2) comprises a plurality of heat exchange plate sheets (23), and the heat exchange plate sheets (23) are provided with bulges (232) and grooves (231) matched with the bulges (232);
the heat exchange plates (23) are separated into gas circulation channels for cross heat exchange, a first channel (21) and a second channel (22), and the first channel (21) and the second channel (22) are not communicated with each other and are vertical to each other.
7. The open-close mist dispersal cooling tower of claim 6, wherein:
the heat exchange plate (23) is made of stainless steel.
8. The open-close type defogging and cooling tower according to claim 3, wherein:
the cooler (9) comprises a plurality of heat exchange tubes (911) which are arranged in parallel, wherein one end of each heat exchange tube (911) is provided with a first water collecting tank (92), and the other end of each heat exchange tube (911) is provided with a second water collecting tank (93); the liquid inlet (94) is arranged on the first water collecting tank (92), and the liquid outlet (95) is arranged on the second water collecting tank (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022326515.4U CN214010027U (en) | 2020-10-19 | 2020-10-19 | Open-close type fog-eliminating cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022326515.4U CN214010027U (en) | 2020-10-19 | 2020-10-19 | Open-close type fog-eliminating cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214010027U true CN214010027U (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022326515.4U Active CN214010027U (en) | 2020-10-19 | 2020-10-19 | Open-close type fog-eliminating cooling tower |
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| CN (1) | CN214010027U (en) |
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- 2020-10-19 CN CN202022326515.4U patent/CN214010027U/en active Active
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