CN215337827U - Transverse flow type cooling tower with silencer - Google Patents

Transverse flow type cooling tower with silencer Download PDF

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Publication number
CN215337827U
CN215337827U CN202121559761.2U CN202121559761U CN215337827U CN 215337827 U CN215337827 U CN 215337827U CN 202121559761 U CN202121559761 U CN 202121559761U CN 215337827 U CN215337827 U CN 215337827U
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China
Prior art keywords
side plate
cooling tower
silencing
flow cooling
water
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CN202121559761.2U
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Chinese (zh)
Inventor
贺颂钧
余红海
黄世山
高峰
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Anhui Provincial Architectural Design And Research Institute Co ltd
Guangzhou Laxun Technology Exploit Co ltd
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Anhui Provincial Architectural Design And Research Institute Co ltd
Guangzhou Laxun Technology Exploit Co ltd
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Abstract

The utility model discloses a cross-flow cooling tower additionally provided with a noise eliminator, which comprises a tower body, and a filler structure, a spraying structure and an air suction structure which are fixed in the tower body; the tower body is provided with a side air inlet and a top air outlet which are communicated, the packing structure is arranged below the spraying structure, and the air suction structure is arranged below the top air outlet; a first silencing device is arranged at the air inlet on the side surface, and a second silencing device is arranged at the air outlet on the top; the first silencing device comprises at least two rows of first silencing elements which are arranged in a staggered mode, and the second silencing device comprises a plurality of second silencing elements which are arranged in an inclined mode. The cooling tower can reduce water temperature, only needs to consider the requirement of single-side ventilation, can reduce the installation space, and is particularly suitable for being installed in a place with good single-side ventilation and poor other-side ventilation. Meanwhile, the cooling tower is additionally provided with the noise eliminator, so that the influence of noise on the surrounding environment can be reduced, and the cooling tower is particularly suitable for being installed in a place which is relatively close to a sensitive point or has a noise requirement.

Description

Transverse flow type cooling tower with silencer
Technical Field
The utility model relates to the technical field of cooling towers, in particular to a cross-flow cooling tower with a silencer.
Background
The cooling tower is an evaporation heat dissipation device, water and flowing air are contacted in the cooling tower and then carry out heat exchange to generate steam, and the steam volatilizes and takes away heat. The cooling tower dissipates waste heat generated in industry or in a refrigeration air conditioner based on the principles of evaporation heat dissipation, convection heat transfer, radiation heat transfer and the like, and reduces the temperature of circulating water. The cross-flow cooling tower has the characteristics of small volume, small water pressure, less power consumption, low noise, low water floating, economy, modular combination, unchanged efficiency and the like, and is widely applied to the industries of central air conditioners, electric power, automobiles, light textiles, chemical industry, food and the like. However, the arrangement of cross-flow cooling towers often suffers from the following problems:
first, ordinary cooling tower is two sides air inlet top air-out generally, and the ventilation environment that two sides air intake corresponds must be good, but the cooling tower is often installed in the harsher place of ventilation environment, and wherein one side can be closer apart from the building, and this can influence cooling tower heat-sinking capability.
Second, cooling tower noise pollution is a serious environmental problem. Civil cooling towers are generally installed in residential areas, and users and residents around the users put forward noise limit requirements on noise indexes of the cooling towers, so that the production and use of cooling tower products are strictly limited by various environmental protection authorities.
Therefore, the market needs a cross-flow cooling tower with low noise and more optimized air inlet and outlet.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a cross-flow cooling tower with a silencer, which has the advantages of single-side air inlet and top air outlet, suitability for the environment with poor ventilation environment, good heat dissipation and low noise.
The purpose of the utility model is realized by adopting the following technical scheme:
a cross-flow cooling tower with a silencing device comprises a tower body, and a filler structure, a spraying structure and an air suction structure which are fixed in the tower body; the tower body is provided with a side air inlet and a top air outlet which are communicated, the packing structure is arranged below the spraying structure, and the air suction structure is arranged below the top air outlet; a first silencing device is arranged at the side air inlet, and a second silencing device is arranged at the top air outlet; the first silencing device comprises at least two rows of first silencing elements which are arranged in a staggered mode, and the second silencing device comprises a plurality of second silencing elements which are arranged in an inclined mode.
Further, the first silencing element is half-moon-shaped; the second silencing element is flat.
Furthermore, the first silencing element comprises an arc-shaped framework, a first side plate and first sound absorption cotton, two ends of the first side plate are detachably connected with two ends of the arc-shaped framework respectively, and the first sound absorption cotton is clamped between the arc-shaped framework and the first side plate; a plurality of groups of first through holes are arranged on the first side plate.
Furthermore, two ends of the arc-shaped framework are respectively and integrally formed to form connecting plates, and two ends of the first side plate are respectively detachably connected with the two connecting plates; the first sound absorption cotton is glass sound absorption cotton; the arc-shaped framework is an aluminum alloy framework; the first side plate is a stainless steel punching plate.
Furthermore, the second silencing element comprises a first end part framework and a second end part framework which are symmetrically arranged, a second side plate and a third side plate which are mutually symmetrical are arranged between the first end part framework and the second end part framework, and a plurality of groups of second through holes are arranged on the second side plate and the third side plate; and a second sound-absorbing cotton is clamped between the second side plate and the third side plate.
Further, the second sound-absorbing cotton is glass sound-absorbing cotton; the first end framework and the second end framework are both aluminum alloy frameworks; the second side plate and the third side plate are both stainless steel punching plates.
Furthermore, the first silencing device comprises a first fixing piece, and the first silencing elements arranged in two staggered rows are accommodated and detachably fixed in the first fixing piece; the second silencing device comprises a second fixing piece, and a plurality of second silencing elements are contained and detachably fixed in the second fixing piece.
Further, the spraying structure comprises a water inlet, a water sowing basin and at least two spraying heads which are communicated with each other; the water sowing basin is fixed in the tower body, and the spray header is arranged below the water sowing basin and distributed above the filler structure.
Further, the structure of induced drafting includes dryer, fan and motor, the dryer is fixed in the tower body and be located top air outlet below, the fan set up in the dryer, the fan with motor electric connection.
Further, still include the basin that catchments, the basin that catchments set up in filler structure below, be provided with the delivery port on the basin that catchments.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the utility model provides a cross-flow cooling tower with a silencer, which is a cross-flow cooling tower with air inlet at one side and air outlet at the top, wherein a first silencer is arranged at an air inlet at the side surface of a tower body, and a second silencer is arranged at an air outlet at the top of the tower body; the first silencing device comprises at least two rows of first silencing elements which are arranged in a staggered mode, and the second silencing device comprises a plurality of second silencing elements which are arranged in an inclined mode.
With such arrangement, the path of the outward propagation of the noise at the air inlet is as follows: the noise passes through the filler → the cavity between the filler and the air inlet silencing device (first silencing device → the first silencing element of the inner row inside the first silencing device → the cavity between the first silencing element of the inner row and the first silencing element of the outer row → then is transmitted to the outside from the air inlet of the tower, and the area change of the noise passing through is as follows: the tower body and the first silencing elements are arranged in a staggered manner to form a sudden change of a flow section, so that impedance is changed in the sound transmission process, and the aim of silencing is fulfilled.
And the path of the noise at the air outlet spreading outwards is as follows: the noise of the air flow at the air outlet of the cooling tower, the noise of the transmission system and the like are transmitted outwards from the sound absorption structure. The noise is transmitted to the outside from the second silencing device through the air suction structure → the cavity between the air suction structure and the air outlet silencing device → the second silencing device provided with a plurality of second silencing elements → the sudden change of the flow cross section formed by the tower body and the plurality of second silencing elements through the area change in turn from small to large to small to infinite, and the impedance is changed in the sound transmission process, so that the aim of silencing is fulfilled.
(2) The utility model provides a cross-flow cooling tower with a silencer, which is a cross-flow cooling tower with air inlet at one side and air outlet at the top, can adapt to poor ventilation environment, is particularly suitable for sites with air inlet at one side and air outlet at the top, and is also particularly suitable for sites which are relatively close to sensitive points or have noise requirements.
Drawings
FIG. 1 is a schematic view of a cross-flow cooling tower incorporating a muffler assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first silencing element provided by an embodiment of the utility model;
fig. 3 is a schematic structural diagram of a second silencing element provided in the embodiment of the present invention.
In the figure: 1. a tower body; 2. a motor; 3. a fan; 4. an air duct; 5. a water inlet; 6. a water sowing basin; 7. a shower head; 8. a filler; 9. a water collecting basin; 10. a water outlet; 20. a first muffler device; 21. a first sound attenuating element; 211. an arc-shaped framework; 212. a first side plate; 213. a first sound absorbing cotton; 214. a connecting plate; 30. a second muffler device; 31. a second sound attenuating element; 311. a first end portion skeleton; 312. a second end armature; 313. a second side plate; 314. a third side plate; 315. the second sound-absorbing cotton.
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. 1-3, a cross-flow cooling tower with a muffler device has a single side inlet and a top outlet, and uses water as a circulating cooling medium to absorb heat from a system and discharge the heat to the atmosphere, so as to reduce water temperature and generate extremely low noise during operation. Specifically, the cross-flow cooling tower with the silencer comprises a tower body 1, and a filler structure, a spraying structure and an air suction structure which are fixed in the tower body 1; the tower body 1 is provided with a side air inlet and a top air outlet which are communicated, the packing structure is arranged below the spraying structure, and the air suction structure is arranged below the top air outlet; a first silencing device 20 is arranged at the air inlet on the side surface, and a second silencing device 30 is arranged at the air outlet on the top; the first silencing device 20 comprises at least two staggered rows of first silencing elements 21, and the second silencing device 30 comprises a plurality of second silencing elements 31 arranged obliquely. The side air inlets and the top air outlets form a unique air flow path and a unique noise propagation path in the tower body 1.
As shown in fig. 2, as a preferred embodiment, the first sound attenuation element 21 is half-moon-shaped, specifically, the first sound attenuation element 21 includes an arc-shaped framework 211, a first side plate 212 and first sound absorption cotton 213, two ends of the first side plate 212 are respectively detachably connected with two ends of the arc-shaped framework 211, and the first sound absorption cotton 213 is sandwiched between the arc-shaped framework 211 and the first side plate 212; the first side plate 212 has a plurality of first through holes arranged therein. More specifically, two ends of the arc-shaped framework 211 are respectively integrally formed with connecting plates 214, two ends of the first side plate 212 are respectively detachably connected with the two connecting plates 214, for example, the connecting plates 214 are formed with abutting portions, and the first side plate 212 abuts against the abutting portions; the first sound-absorbing cotton 213 is glass sound-absorbing cotton; the arc-shaped framework 211 is an aluminum alloy framework; the first side plate 212 is a stainless steel punched plate. The first silencing device 20 is an air inlet silencing device and comprises a plurality of half-moon-shaped first silencing elements 21, and the first silencing elements 21 are arranged in a staggered mode at a certain interval. The first silencing element 21 is composed of an aluminum alloy framework, lining glass wool and a stainless steel punching plate. The glass wool is made of a material with high hydrophobicity and high-efficiency sound absorption, and can absorb sound. Meanwhile, the sudden change of the cross section formed by the staggered arrangement of the first silencing elements causes the change of impedance in the sound transmission process, thereby achieving the aim of silencing.
As shown in fig. 3, as a preferred embodiment, the second muffler element 31 is in a flat plate shape, specifically, the second muffler element 31 includes a first end frame 311 and a second end frame 312 which are symmetrically arranged, a second side plate 313 and a third side plate 314 which are mutually symmetric are arranged between the first end frame 311 and the second end frame 312, and a plurality of groups of second through holes are arranged on each of the second side plate 313 and the third side plate 314; a second sound-absorbing cotton 315 is sandwiched between the second side plate 313 and the third side plate 314. More specifically, the second sound-absorbing cotton 315 is glass sound-absorbing cotton; the first end frame 311 and the second end frame 312 are both aluminum alloy frames; the second side plate 313 and the third side plate 314 are both stainless steel punched plates. The second silencing device 30 is an air outlet silencing device, and includes a plurality of second silencing elements 31 in a plate shape, and the second silencing elements 31 are obliquely arranged at a certain interval. The plate-like second muffler element 31 is composed of an aluminum alloy skeleton, lining glass wool, and a stainless steel punched plate. The glass wool is made of high hydrophobic and efficient sound absorption materials and can absorb sound. Meanwhile, the abrupt change of the section is formed from the air duct 4 of the cooling tower → the cavity between the air duct 4 and the second noise elimination module → a plurality of second noise elimination elements 31 → the outside of the air outlet, and the impedance is changed in the sound transmission process, so that the purpose of eliminating the noise is achieved.
In a preferred embodiment, the first muffler device 20 includes first fixing members, and the first muffler elements 21 arranged in two staggered rows are received in and detachably fixed to the first fixing members, for example, detachably fixed by bolts. The second muffler device 30 includes a second fixing member in which a plurality of second muffler elements 31 are housed and detachably fixed, for example, by bolts.
As a preferred embodiment, the spraying structure comprises a water inlet 5, a water spreading basin 6 and at least two spraying heads 7 which are communicated with each other; the water sowing basin 6 is fixed in the tower body 1, and the spray header 7 is arranged below the water sowing basin 6 and is distributed above the filler 8 structure.
As preferred embodiment, the structure of induced drafting includes dryer 4, fan 3 and motor 2, and dryer 4 is fixed in tower body 1 and is located top air outlet below, and fan 3 sets up in dryer 4, and fan 3 and motor 2 electric connection are by the motion of motor 2 drive fan 3.
In a preferred embodiment, the packing structure tower comprises a packing frame and a heat dissipation packing 8 fixed on the packing frame, the heat dissipation packing 8 is arranged at the air inlet, and the heat dissipation packing 8 is preferably a PVC packing 8. The top of the heat dissipation filler 8 is respectively provided with a water inlet 5, a water sowing basin 6 and a spray header 7 from top to bottom.
As a preferable embodiment, the water-saving device further comprises a water collecting basin 9, wherein the water collecting basin 9 is arranged below the filler 8 structure, and a water outlet 10 is arranged on the water collecting basin 9.
In a preferred embodiment, the tower body 1 is formed by splicing metal parts, and an external guard plate is arranged outside the tower body 1, and the external guard plate can be made of metal parts or non-metal parts.
In the transverse flow type cooling tower provided with the silencer, when the transverse flow type cooling tower operates normally, circulating hot water of a system flows into a water inlet 5 of the cooling tower from a system pipeline, the hot water reaches a water spreading basin 6 and is uniformly sprayed on a filler 8 through a spray header 7, the filler 8 is changed into cooling water after heat exchange with cold air, the cooling water falls into a water collecting basin 9 after heat exchange, and finally the cooling water is discharged into the system from a water outlet 10. And the motor 2 on the cooling tower body 1 drives the fan 3 to operate, cold air is sucked from the outside through the air inlet on the side surface of the cooling tower, the cold air passes through the first silencing device 20 and is subjected to heat exchange with the filler 8 on the path to become damp and hot air, and the damp, hot and damp and hot air after heat exchange is discharged out of the tower through the air duct 4 and the air outlet silencing device.
The cross-flow cooling tower provided with the noise eliminator is reasonably arranged by combining the noise propagation direction, and is a cross-flow cooling tower with air inlet at one side and air outlet at the top, air does not need to be fed into the other three side surfaces of the tower body 1, and the noise propagation direction is concentrated at the air inlet at one side and the air outlet at the top, so that the aim of reducing the whole noise of the cooling tower can be fulfilled only by performing noise elimination measures at the air inlet and the air outlet.
The principle of silencing at the air inlet of the transverse flow cooling tower with the added silencing device and the air inlet at the top is as follows: an air inlet silencing device (a first silencing device 20) is additionally arranged at the air inlet of the tower body 1, the first silencing device 20 comprises a plurality of half-moon-shaped first silencing elements 21, and the first silencing elements 21 are arranged in a staggered mode at a certain interval. The path of the outward propagation of the noise at the air inlet is as follows: the noise passes through the filler 8 → the cavity between the filler 8 and the air inlet muffler device (first muffler device 20 → the inner row first muffler element 21 inside the first muffler device 20 → the cavity between the inner row first muffler element 21 and the outer row first muffler element 21 → is then transmitted to the outside from the tower air inlet, and the area change of the noise passage is as follows: the tower body 1 and the first silencing elements 21 are arranged in a staggered manner to form sudden changes of the flow cross section, so that impedance is changed in the sound transmission process, and the aim of silencing is achieved.
The noise elimination principle at the air outlet of the cooling tower of the embodiment is as follows: an air outlet noise elimination device (a second noise elimination device 30) is additionally arranged outside an air outlet of the tower body 1, the second noise elimination device 30 comprises a plurality of second noise elimination elements 31 in a plate shape, and the second noise elimination elements 31 are obliquely arranged at a certain interval. Meanwhile, a fan 3 is arranged in the cooling tower air duct 4, and the fan 3 is driven by the motor 2. The air flow noise at the air outlet of the cooling tower, the noise of a transmission system and the like are transmitted outwards from the air duct 4. Noise passes through the air duct 4, a cavity between the air duct 4 and the air outlet noise eliminator (second noise eliminator 30 → the second noise eliminator 30 provided with a plurality of second noise elimination elements 31 → is transmitted to the outside from the second noise eliminator 30, and through the change of area, the change of the flowing cross section formed by the tower body 1 and the plurality of second noise elimination elements 31 is changed through the change of area, the impedance is changed in the sound transmission process, and the purpose of noise elimination is achieved.
The cross-flow cooling tower provided with the silencer is a cross-flow cooling tower with air inlet at one side and air outlet at the top, can reduce water temperature, can reduce installation space by only considering single-side ventilation requirements, and is particularly suitable for being installed in a place with good single-side ventilation and poor other-side ventilation. Meanwhile, the cooling tower is additionally provided with the noise eliminator, so that the influence of noise on the surrounding environment can be reduced, and the cooling tower is particularly suitable for being installed in a place which is relatively close to a sensitive point or has a noise requirement.
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 (10)

1. A cross-flow cooling tower with a silencing device is characterized by comprising a tower body, and a filler structure, a spraying structure and an air suction structure which are fixed in the tower body; the tower body is provided with a side air inlet and a top air outlet which are communicated, the packing structure is arranged below the spraying structure, and the air suction structure is arranged below the top air outlet; a first silencing device is arranged at the side air inlet, and a second silencing device is arranged at the top air outlet; the first silencing device comprises at least two rows of first silencing elements which are arranged in a staggered mode, and the second silencing device comprises a plurality of second silencing elements which are arranged in an inclined mode.
2. The muffled, cross-flow cooling tower of claim 1, wherein the first muffling element is half-moon shaped; the second silencing element is flat.
3. The crossflow cooling tower with the muffler device added thereto as set forth in claim 2, wherein the first muffler element comprises an arc-shaped frame, a first side plate and a first sound absorbing cotton, both ends of the first side plate are detachably connected with both ends of the arc-shaped frame, respectively, and the first sound absorbing cotton is sandwiched between the arc-shaped frame and the first side plate; a plurality of groups of first through holes are arranged on the first side plate.
4. The cross-flow cooling tower with the muffler device added according to claim 3, wherein connecting plates are integrally formed at two ends of the arc-shaped framework respectively, and two ends of the first side plate are detachably connected with the two connecting plates respectively; the first sound absorption cotton is glass sound absorption cotton; the arc-shaped framework is an aluminum alloy framework; the first side plate is a stainless steel punching plate.
5. The cross-flow cooling tower with the muffler device added according to claim 2, wherein the second muffler element comprises a first end frame and a second end frame which are symmetrically arranged, a second side plate and a third side plate which are symmetrically arranged are arranged between the first end frame and the second end frame, and a plurality of groups of second through holes are arranged in each of the second side plate and the third side plate; and a second sound-absorbing cotton is clamped between the second side plate and the third side plate.
6. The transverse flow cooling tower with the added noise eliminator as set forth in claim 5, wherein said second sound-absorbing cotton is glass sound-absorbing cotton; the first end framework and the second end framework are both aluminum alloy frameworks; the second side plate and the third side plate are both stainless steel punching plates.
7. The transverse flow cooling tower with added muffling device of claim 1, wherein said first muffling device comprises first fixing members, and two staggered rows of said first muffling elements are received and detachably fixed in said first fixing members; the second silencing device comprises a second fixing piece, and a plurality of second silencing elements are contained and detachably fixed in the second fixing piece.
8. The transverse flow cooling tower with the added muffler device according to claim 1, wherein the spray structure comprises a water inlet, a water spreading basin and at least two spray headers which are communicated with each other; the water sowing basin is fixed in the tower body, and the spray header is arranged below the water sowing basin and distributed above the filler structure.
9. The cross-flow cooling tower with the silencer according to claim 1, wherein the air suction structure comprises an air duct, a fan and a motor, the air duct is fixed in the tower body and located below the top air outlet, the fan is arranged in the air duct, and the fan is electrically connected with the motor.
10. The transverse flow cooling tower with the added muffler device according to claim 1, further comprising a water collection basin, wherein the water collection basin is disposed below the filler structure, and a water outlet is disposed on the water collection basin.
CN202121559761.2U 2021-07-09 2021-07-09 Transverse flow type cooling tower with silencer Active CN215337827U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121559761.2U CN215337827U (en) 2021-07-09 2021-07-09 Transverse flow type cooling tower with silencer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121559761.2U CN215337827U (en) 2021-07-09 2021-07-09 Transverse flow type cooling tower with silencer

Publications (1)

Publication Number Publication Date
CN215337827U true CN215337827U (en) 2021-12-28

Family

ID=79566023

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121559761.2U Active CN215337827U (en) 2021-07-09 2021-07-09 Transverse flow type cooling tower with silencer

Country Status (1)

Country Link
CN (1) CN215337827U (en)

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