CN114812222A - Multi-working-condition fog-dispersal water-saving noise-reduction cooling tower - Google Patents

Abstract

The invention belongs to the technical field of cooling towers, and particularly relates to a multi-working-condition fog-eliminating water-saving noise-reducing cooling tower which comprises a tower body, wherein an inner cavity of the tower body is divided into an upper cavity and a lower cavity, a partition plate is arranged in the upper cavity of the tower body, the partition plate divides the upper cavity into a left cavity and a right cavity, the left cavity is sequentially provided with an air outlet, a fan, a fog-eliminating module and a first spraying device from top to bottom, a first louver window is arranged on the side wall of the tower body, which is opposite to the fog-eliminating module, a second spraying device and a heat exchanger are sequentially arranged in the right cavity, and a third louver window is arranged on the side wall, which is opposite to the heat exchanger, of the tower body; the invention divides the upper cavity of the cooling tower into two cavities under the condition that the volume of the tower body is not changed, realizes the flexible conversion of a closed tower and an open tower by opening or closing the shutter and the spraying device so as to adapt to different external environmental conditions, ensures the heat exchange efficiency of the cooling tower under different environmental conditions, and well solves the problem of single function of the existing cooling tower heat exchange equipment.

Description

Multi-working-condition fog-dispersal water-saving noise-reduction cooling tower

Technical Field

The invention belongs to the technical field of cooling towers, and particularly relates to a multi-working-condition fog-dissipation water-saving noise-reduction cooling tower.

Background

The cooling tower is a high-efficiency industrial heat dissipation device and can be divided into an open tower and a closed tower according to the principle; for the open tower, circulating water is directly sprayed on the filler in a spraying mode, heat exchange is achieved through contact between water and air, then the air flow in the tower is driven by the fan to circulate, and hot air flow after heat exchange with water is taken out, so that cooling is achieved, and the cooling effect is good; for a closed tower, process fluid flows in a coil pipe, heat exchange is carried out through the pipe wall, and then mass transfer and heat exchange are carried out through spray water, so that cooling is achieved, the process ensures that water quality is not polluted, and meanwhile, the service life of a cooling tower can be prolonged; however, the traditional cooling tower is generally a single open tower or closed tower, cannot change the use mode according to outdoor conditions, and is not suitable for multiple working conditions.

With the continuous improvement of the requirement of China on environmental protection, the requirement on the overall white fog treatment of residential areas and industrial areas is gradually strict, the influence of the white fog of the cooling tower on the environment is more and more concerned by people, and the proper treatment of the white fog of the cooling tower gradually reaches the consensus of the whole society. On one hand, the white fog is easy to freeze on the top of the cooling tower in winter, and the normal work of equipment is influenced; on the other hand, the white mist can be mixed with other impurities in the air, so that the environment is polluted, and even the normal life of people is influenced.

In recent years, with the continuous development of economy and the continuous development of high-rise buildings, cooling towers are generally installed on the upstairs of the high-rise buildings or 6-8-layer terrace platforms, a large amount of noise is generated due to the operation of fans and water spraying when the cooling towers are operated, and if the noise is not solved in time, the normal life of people is seriously influenced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the problems that a cooling tower in the prior art is generally a single open tower or closed tower, the use mode cannot be changed according to outdoor conditions, and the cooling tower is not suitable for multi-working-condition use, the multi-working-condition fog-dissipation water-saving noise-reduction cooling tower is provided.

In order to solve the technical problems, the invention adopts the following technical scheme: a multi-working-condition fog-dispersal water-saving noise-reduction cooling tower comprises a tower body, wherein the inner cavity of the tower body is divided into an upper cavity and a lower cavity;

a partition plate is arranged in the upper cavity of the tower body, the partition plate divides the upper cavity into a left cavity and a right cavity, the left cavity is sequentially provided with an air outlet, a fan, a fog dissipation module and a first spraying device from top to bottom, a first shutter is arranged on the side wall of the tower body opposite to the fog dissipation module, a second spraying device and a heat exchanger are sequentially arranged in the right cavity, and a third shutter is arranged on the side wall of the tower body opposite to the heat exchanger;

the improved water-saving tower is characterized in that a filler and a water collecting tank are sequentially arranged in the lower cavity, the partition plate extends to the top of the filler, namely the left cavity and the right cavity are not communicated with each other, a second shutter and a fourth shutter are arranged on the tower body side wall right opposite to the filler, the second shutter and the first shutter are located at the same side, the fourth shutter and the third shutter are located at the same side, a first circulating water pump is connected between the water collecting tank and the first spraying device, a second circulating water pump is connected between the water collecting tank and the second spraying device, the bottom of the water collecting tank is connected with a water feeding pipe, and a water stop valve is arranged on the water feeding pipe.

According to the technical scheme, the cavity of the cooling tower is divided into the two cavities under the condition that the size of the tower body is not changed, the flexible conversion of the closed tower and the open tower is realized by opening or closing the shutter and the spraying device, so that the cooling tower is adaptive to different external environmental conditions, the heat exchange efficiency of the cooling tower under different environmental conditions is ensured, and the problem of single function of the existing cooling tower heat exchange equipment is well solved.

Furthermore, the fog dispersal module comprises a plurality of filler piece groups which are connected in sequence, each filler piece group comprises two filler pieces, each filler piece comprises a first assembling surface and a second assembling surface, the first assembling surfaces of the two filler pieces in each filler piece group are oppositely provided with a plurality of first channels which are distributed at intervals, dry and cold air entering from the first louver enters the fog dispersal module through the first channels, the second assembling surfaces of the two filler pieces close to each other in the two adjacent filler piece groups are oppositely provided with a plurality of second channels which are distributed at intervals, wet and hot air after heat exchange enters the fog dispersal module from the second channels, the first channels and the second channels are mutually vertical and are not communicated, and the dry and cold air and the wet and hot air exchange heat in the fog dispersal module, so that the air humidity is reduced, and the fog dispersal is realized.

Furthermore, each first channel comprises an inlet section and a channel section which are communicated, the inlet section is a straight channel, the channel sections are wave-shaped channels, the straight channel is adopted at the inlet to enable dry and cold air outside the environment to better enter the fog dissipation module, the wave-shaped channels are adopted at the channel parts to effectively prolong the heat exchange time and increase the retention time of the dry and cold air in the channels.

Further, the second assembly surface protrusion of packing piece has a plurality of arc archs, the arc arch can increase the heat transfer area of damp and hot air after the heat transfer in fog dispersal module and prolonged the heat transfer time, heat exchange efficiency has been promoted, be convenient for simultaneously on the wall condensation form the water film, reach fog dispersal effect, and the comdenstion water that the condensation formed can fall to the breakwater under the effect of gravity, take away by circulating water pump again and spray once more, the effect of water conservation has been reached, it is poor to have solved traditional fog dispersal cooling tower fog dispersal effect, the water waste and the lower problem of cooling tower heat exchange efficiency.

Furthermore, the arc-shaped bulges on the two second assembling surfaces forming the second channel are oppositely arranged, and a channel for gas circulation is reserved between the two opposite arc-shaped bulges, namely, the most convex parts of the two arc-shaped bulges are not mutually abutted, so that the circulation of the second channel can be ensured.

Furthermore, the fog dispersal module is right trapezoid, the inclined plane of fog dispersal module is located the one end that is close to the baffle, and inclined plane top-down inclines to the direction of baffle, and right trapezoid structure makes fog dispersal module can be whole to be paved with left cavity simultaneously and need not to increase the air mixing chamber, can make the environment outer dry and cold air complete entering cooling tower, also can make the interior damp and hot air of tower complete through fog dispersal module, has increased heat transfer area.

Furthermore, an upper silencer is arranged above the fan, and a lower silencer is arranged below the fan and used for reducing noise of the fan.

Furthermore, the upper silencer and the lower silencer are both array plate type silencers, and have good ventilation and noise reduction functions.

Furthermore, a water baffle is arranged between the filler and the water collecting tank, and the drenching water firstly falls onto the water baffle and then falls into the water collecting tank, so that the drenching height is greatly reduced, the drenching noise is reduced, and the reduction of the whole noise of the cooling tower is realized.

The invention has the beneficial effects that: the invention divides the upper cavity of the cooling tower into two cavities under the condition that the volume of the tower body is not changed, realizes the flexible conversion of a closed tower and an open tower by opening or closing the shutter and the spraying device so as to adapt to different external environmental conditions, ensures the heat exchange efficiency of the cooling tower under different environmental conditions, and well solves the problem of single function of the existing cooling tower heat exchange equipment.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a multi-condition fog-dispersal water-saving noise-reduction cooling tower;

FIG. 2 is a perspective view of the defogging module;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic diagram of the front structure of a packing sheet;

FIG. 5 is a schematic view of the reverse side of the packing sheet;

FIG. 6 is a top view of the defogging module;

FIG. 7 is a sectional view taken in the direction B-B in FIG. 6;

FIG. 8 is a cross-sectional view taken in the direction of C-C in FIG. 6;

in the figure:

1. the tower comprises an air outlet, 2 parts of a tower body, 2-1 parts of a left chamber, 2-2 parts of a right chamber, 3 parts of a partition plate, 4-1 parts of an upper silencer, 4-2 parts of a lower silencer, 5 parts of a fan; 6. the fog dissipation module comprises a fog dissipation module 61, a filler sheet 61-1, a first assembly surface 61-2, a second assembly surface 61-3, an arc-shaped bulge 62, a first channel 62-1, an inlet section 62-2, a channel section 63 and a second channel; 7-1 parts of a first shutter, 7-2 parts of a second shutter, 7-3 parts of a third shutter, 7-4 parts of a fourth shutter; 8-1, a first spraying device, 8-2, a second spraying device, 9, a heat exchanger, 9-1 heat exchanger inlet, 9-2, a heat exchanger outlet, 10, filler, 11, a water baffle, 12-1, a first circulating water pump, 12-2, a second circulating water pump, 13, a water collecting tank, 14, a water delivery pipe, 15 and a water stop valve.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention, and directions and references (e.g., upper, lower, left, right, etc.) may be used only to help the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

Example 1

As shown in fig. 1-8, the invention is a multi-working condition fog-dispersal water-saving noise-reduction cooling tower, comprising a tower body 2, wherein the inner cavity of the tower body 2 is divided into an upper cavity and a lower cavity;

a partition plate 3 is arranged in the upper cavity of the tower body 2, the partition plate 3 divides the upper cavity into a left cavity 2-1 and a right cavity 2-2, the left cavity 2-1 is sequentially provided with an air outlet 1, a fan 5, a fog dissipation module 6 and a first spraying device 8-1 from top to bottom, a first shutter 7-1 is arranged on the side wall of the tower body 2 opposite to the fog dissipation module 6, a second spraying device 8-2 and a heat exchanger 9 are sequentially arranged in the right cavity 2-2, an inlet 9-1 of the heat exchanger is positioned above an outlet 9-2 of the heat exchanger, and a third shutter 7-3 is arranged on the side wall of the tower body 2 opposite to the heat exchanger 9;

the water-saving tower is characterized in that a filler 10 and a water collecting tank 13 are sequentially arranged in the lower cavity, the partition plate 3 extends to the top of the filler 10, namely the left cavity 2-1 and the right cavity 2-2 are not communicated with each other, a second shutter 7-2 and a fourth shutter 7-4 are arranged on the side wall of the tower body 2 opposite to the filler 10, the second shutter 7-2 and the first shutter 7-1 are located on the same side, the fourth shutter 7-4 and the third shutter 7-3 are located on the same side, a first circulating water pump 12-1 is connected between the water collecting tank 13 and the first spraying device 8-1, a second circulating water pump 12-2 is connected between the water collecting tank 13 and the second spraying device 8-2, a water supply pipe 14 is connected to the bottom of the water collecting tank 13, and a water stop valve 15 is arranged on the water supply pipe 14.

The fog dispersal module 6 comprises a plurality of filler piece groups which are connected in sequence, each filler piece group comprises two filler pieces 61, each filler piece 61 is made of PVC material, each filler piece 61 comprises a first assembly surface 61-1 and a second assembly surface 61-2, the first assembly surfaces 61-1 of the two filler pieces 61 in each filler piece group are oppositely provided with a plurality of first channels 62 which are distributed at intervals, dry and cold air entering from a first louver 7-1 enters the fog dispersal module 6 through the first channels 62, the second assembly surfaces 61-2 of the two filler pieces 61 which are close to each other in the two adjacent filler piece groups are oppositely provided with a plurality of second channels 63 which are distributed at intervals, wet and hot air after heat exchange enters the fog dispersal module 6 from the second channels 63, the first channels 62 and the second channels 63 are mutually vertical and are not communicated with each other, the dry and the wet and hot air exchange heat in the fog dispersal module 6, the air humidity is reduced, and the aim of fog dissipation is fulfilled.

Each first channel 62 comprises an inlet section 62-1 and a channel section 62-2 which are communicated, the inlet section 62-1 is a straight channel, the channel section 62-2 is a wave-shaped channel, the straight channel is adopted at the inlet to enable dry and cold air outside the environment to better enter the fog dissipation module 6, the wave-shaped channel is adopted at the channel to effectively prolong the heat exchange time and increase the retention time of the dry and cold air in the channel.

The second assembling surface 61-2 of the packing sheet 61 is provided with a plurality of arc-shaped bulges 61-3 in a protruding way, the arc-shaped bulges 61-3 on the two second assembling surfaces 61-2 forming the second channel 63 are oppositely arranged, and a channel for gas circulation is reserved between the two opposite arc-shaped bulges 61-3, namely, the most protruding parts of the two arc-shaped bulges 61-3 are not abutted with each other, the arc-shaped bulges 61-3 can increase the heat exchange area of the damp and hot air after heat exchange in the fog dissipation module 6 and prolong the heat exchange time, thereby improving the heat exchange efficiency, simultaneously being convenient for condensing on the wall surface to form a water film to achieve the fog dissipation effect, and the condensed water formed by condensation can fall into the water baffle 11 under the action of gravity, and then is pumped by the circulating water pump for secondary spraying, achieving the effect of water saving, and solving the poor fog dissipation effect of the traditional fog dissipation cooling tower, water resource waste and low heat exchange efficiency of the cooling tower.

The fog dispersal module 6 is right trapezoid, the inclined plane of the fog dispersal module 6 is positioned at one end close to the partition plate 3, the inclined plane inclines towards the partition plate 3 from top to bottom, the right trapezoid structure enables the fog dispersal module 6 to be completely paved in the left cavity 2-1 without adding an air mixing chamber, dry and cold air outside the environment can completely enter the cooling tower, and humid and hot air in the tower can completely pass through the fog dispersal module 6, so that the heat exchange area is increased.

An upper silencer 4-1 is arranged above the fan 5, and a lower silencer 4-2 is arranged below the fan 5 and used for reducing noise of the fan 5.

The upper silencer 4-1 and the lower silencer 4-2 are both array sheet type silencers, and have good ventilation and noise reduction functions.

A water baffle 11 is arranged between the filler 10 and the water collecting tank 13, and the drenching water firstly falls onto the water baffle 11 and then falls into the water collecting tank 13, so that the drenching height is greatly reduced, the drenching noise is reduced, and the reduction of the whole noise of the cooling tower is realized.

The working principle and the using process of the invention are as follows:

(1) when the ambient temperature is higher than 20 ℃, based on the characteristics of the open tower, opening a first louver 7-1 and a second louver 7-2, closing a third louver 7-3 and a fourth louver 7-4, operating a first circulating water pump 12-1 and a first spray device 8-1, closing a second circulating water pump 12-2 and a second spray device 8-2, spraying water downwards sprayed into a filler 10 from the spray device 8-1 to exchange heat with air entering from the second louver 7-2, enabling the water after heat exchange to fall on a water baffle 11 and enter the first spray device 8-1 through the circulating water pump 12-1, enabling the air after heat exchange to move upwards due to the suction force of a fan 5, enabling outdoor air to enter from the first louver 7-1 to exchange heat with the air after heat exchange for a second time when the air passes through a defogging module 6, the air after the secondary heat exchange is discharged through the fan 5, and the cooled water can be sent to an industrial device needing cooling water through the water delivery pipe 14.

(2) When the ambient temperature is less than 20 ℃ and more than 10 ℃, based on the characteristics of a closed tower, opening a second shutter 7-2 and a fourth shutter 7-4, closing a first shutter 7-1 and a third shutter 7-3, operating a second circulating water pump 12-2 and a second spray device 8-2, closing the first circulating water pump 12-1, the first spray device 8-1 and a water stop valve 15, spraying water downwards sprayed from the second spray device 8-2 to exchange heat with a heat exchange pipe 9, then falling onto a filler 10 to exchange heat with air entering the second shutter 7-2 and the fourth shutter 7-4, falling onto a water baffle 11 to enter the second spray device 8-2 through the circulating water pump 12-2, and pumping the air after heat exchange into a left chamber 2-1 through a fan 5, moves upwards from the bottom of the fog dispersal module 6 and is discharged by the fan 5.

(3) When the ambient temperature is lower than 10 ℃ and higher than 0 ℃, based on the characteristics of a closed tower, opening a first shutter 7-1 and a fourth shutter 7-4, closing a second shutter 7-2 and a third shutter 7-3, operating a second circulating water pump 12-2 and a second spray device 8-2, closing the first circulating water pump 12-1, the first spray device 8-1 and a water stop valve 15, spraying water downwards sprayed from the second spray device 8-2 to exchange heat with a heat exchange pipe 9, falling into a filler 10 to exchange heat with air entering the fourth shutter 7-4, falling into a water baffle 11 to enter the second spray device 8-2 through the circulating water pump 12-2 after heat exchange, pumping hot and humid air after heat exchange into a left chamber 2-1 through a fan 5, the dry and cold air moves upwards from the bottom of the fog dispersal module 6, enters the fog dispersal module 6 from the first louver 7-1, is condensed and exchanges heat with the damp and hot air in the fog dispersal module 6 to achieve fog dispersal, and the condensed air is discharged through the fan 5.

(4) When the ambient temperature is lower than 0 ℃, based on the characteristics of a closed tower, opening a third shutter 7-3 and a fourth shutter 7-4, closing a first shutter 7-1 and a second shutter 7-2, closing a first spray device 8-1, a second spray device 8-2, a first circulating water pump 12-1, a second circulating water pump 12-2 and a water stop valve 15, enabling hot water to enter a heat exchanger 9 from a heat exchanger inlet 9-1 and then to be discharged out of the tower from a heat exchanger outlet 9-2, directly exchanging heat between ambient air sucked in from the third shutter 7-3 and the fourth shutter 7-4 and heat exchange 9 due to the fact that the ambient temperature is low, and discharging the air after heat exchange through a fan 5.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that numerous changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (9)

1. The utility model provides a cooling tower that makes an uproar falls in multistation fog dispersal water conservation which characterized in that: the tower comprises a tower body (2), wherein the inner cavity of the tower body (2) is divided into an upper cavity and a lower cavity;

a partition plate (3) is arranged in an upper cavity of the tower body (2), the partition plate (3) divides the upper cavity into a left cavity (2-1) and a right cavity (2-2), the left cavity (2-1) is sequentially provided with an air outlet (1), a fan (5), a fog dissipation module (6) and a first spraying device (8-1) from top to bottom, a first shutter (7-1) is arranged on the side wall of the tower body (2) opposite to the fog dissipation module (6), a second spraying device (8-2) and a heat exchanger (9) are sequentially arranged in the right cavity (2-2), and a third shutter (7-3) is arranged on the side wall of the tower body (2) opposite to the heat exchanger (9);

the improved water-saving tower is characterized in that a filler (10) and a water collecting tank (13) are sequentially arranged in the lower cavity, the partition plate (3) extends to the top of the filler (10), a second shutter (7-2) and a fourth shutter (7-4) are arranged on the side wall of the tower body (2) opposite to the filler (10), a first circulating water pump (12-1) is connected between the water collecting tank (13) and the first spraying device (8-1), a second circulating water pump (12-2) is connected between the water collecting tank (13) and the second spraying device (8-2), a water feeding pipe (14) is connected to the bottom of the water collecting tank (13), and a water stop valve (15) is arranged on the water feeding pipe (14).

2. The cooling tower of claim 1, wherein: the fog dissipation module (6) comprises a plurality of packing sheet groups connected in sequence, each packing sheet group comprises two packing sheets (61), each packing sheet (61) comprises a first assembling surface (61-1) and a second assembling surface (61-2) which are opposite, the first assembling surfaces (61-1) of the two packing sheets (61) in each packing sheet group are oppositely provided with a plurality of first channels (62) distributed at intervals, the second assembling surfaces (61-2) of the two adjacent packing sheets (61) in the two adjacent packing sheet groups are oppositely provided with a plurality of second channels (63) distributed at intervals, and the first channels (62) are perpendicular to the second channels (63).

3. The cooling tower of claim 2, wherein: each first channel (62) comprises an inlet section (62-1) and a channel section (62-2) which are communicated, the inlet section (62-1) is a straight channel, and the channel section (62-2) is a wave-shaped channel.

4. The cooling tower of claim 2, wherein: and a plurality of arc-shaped protrusions (61-3) are protruded on the second assembling surface (61-2) of the packing sheet (61).

5. The cooling tower of claim 4, wherein: the arc-shaped bulges (61-3) on the two second assembling surfaces (61-2) forming the second channel (63) are oppositely arranged, and a channel for gas to flow is reserved between the two opposite arc-shaped bulges (61-3).

6. The cooling tower of claim 2, wherein: the fog dispersal module (6) is in a right trapezoid shape, the inclined plane of the fog dispersal module (6) is positioned at one end close to the partition board (3), and the inclined plane inclines towards the partition board (3) from top to bottom.

7. The cooling tower of claim 1, wherein: an upper silencer (4-1) is arranged above the fan (5), and a lower silencer (4-2) is arranged below the fan (5).

8. The cooling tower of claim 7, wherein: the upper silencer (4-1) and the lower silencer (4-2) are both array plate type silencers.

9. The cooling tower of claim 1, wherein: a water baffle (11) is arranged between the filler (10) and the water collecting tank (13).

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