CN215063848U

CN215063848U - Reverse-flow closed cooling tower with good noise reduction performance

Info

Publication number: CN215063848U
Application number: CN202120993338.7U
Authority: CN
Inventors: 凌发全; 涂淑平; 陶罗飞; 朱庆云
Original assignee: SHANGHAI TYACHT COOLING SYSTEM CO Ltd
Current assignee: SHANGHAI TYACHT COOLING SYSTEM CO Ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-07
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a counter-flow closed cooling tower with good noise reduction performance, which comprises a water collecting tank, a cooling bin, a heat exchange bin, an exhaust passage, an annular cover, a first ring and a second ring, the water collecting tank, the cooling bin, the heat exchange bin and the exhaust channel are fixed in sequence from bottom to top, a coil pipe is fixed in the cooling bin, a heat exchanger body is fixed in the heat exchange bin, a connecting pipe is fixed below the inner part of the heat exchange bin, the bottom of the connecting pipe is fixed with a spray head, the inside of the exhaust passage is fixed with an axial flow fan body, the upper end and the lower end of the annular cover are respectively welded with the outer side of the lower surface of the first circular ring and the outer side of the upper surface of the second circular ring, a first annular sound absorption pad is fixedly attached to the inner wall of the annular cover, a second annular sound absorption pad is fixedly arranged between the inner side of the lower surface of the first circular ring and the inner side of the upper surface of the second circular ring, and the annular cover is sleeved on the exhaust channel. The utility model discloses install additional at cooling tower top end and fall the cover of making an uproar, inhale the sound noise reduction pollution through sound absorbing material.

Description

Reverse-flow closed cooling tower with good noise reduction performance

Technical Field

The utility model relates to a cooling tower technical field specifically is a fall good countercurrent closed cooling tower of performance of making an uproar.

Background

The cooling tower is a device which uses water as circulating coolant, absorbs heat from a system and discharges the heat to the atmosphere so as to reduce the water temperature; the heat is transferred to the outside of the pipe through the pipe wall to generate steam through heat exchange, the steam volatilizes and takes away the heat, and the waste heat generated in industry or in a refrigeration air conditioner is dissipated by utilizing the principles of phase change heat transfer, convection heat transfer, radiation heat transfer and the like to reduce the water temperature, so that the normal operation of the system is ensured.

The top end of the counter-flow closed cooling tower is provided with the axial flow fan, the axial flow fan generates noise when working, the noise is transmitted to the outside, the noise at the top end of the cooling tower is large, and noise pollution is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a noise reduction can good countercurrent closed cooling tower possesses the advantage of inhaling the sound noise abatement pollution through sound absorbing material, has solved axial fan during operation and has produced the noise, and the noise can be transmitted to the outside, and the noise that leads to cooling tower top end department is big on the left side, causes noise pollution's problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: a counter-current closed cooling tower with good noise reduction performance comprises a water collecting tank, a cooling bin, a heat exchange bin, an exhaust channel, an annular cover, a first ring and a second ring, wherein the top end of the water collecting tank is fixedly connected with the bottom end of the cooling bin, a coil pipe is fixed inside the cooling bin, the top end of the cooling bin is fixedly connected with the bottom end of the heat exchange bin, a heat exchanger body is fixed inside the heat exchange bin, a connecting pipe is fixed in the middle of the lower portion of the inside of the heat exchange bin, a spray nozzle is fixed at the bottom of the connecting pipe, the top end of the heat exchange bin is fixedly connected with the bottom end of the exhaust channel, an axial flow fan body is fixed inside the exhaust channel, the upper end and the lower end of the annular cover are respectively welded with the outer side of the lower surface of the first ring and the outer side of the upper surface of the second ring, a first annular sound absorption pad is fixedly attached to the inner wall of the annular cover, and a second annular sound absorption pad is fixed between the inner side of the lower surface of the first ring and the inner side of the upper surface of the second ring, the annular cover is sleeved on the exhaust passage.

Preferably, air inlet grids are embedded into the two sides of the front end and the rear end of the top of the water collecting tank respectively, and embedding holes matched with the air inlet grids are formed in the two sides of the front end and the rear end of the top of the water collecting tank respectively.

Preferably, two interfaces at the upper end and the lower end of one side of the coil pipe respectively extend out of one side of the cooling bin, the interface above one side of the coil pipe is a water inlet, and the interface below one side of the coil pipe is a water outlet.

Preferably, the spray head is communicated with the interior of the connecting pipe, and the spray head is positioned right above the coil pipe.

Preferably, the axial flow fan body corresponds to the top opening of the heat exchanger body.

Preferably, the water collecting tank, the cooling bin, the heat exchange bin and the exhaust channel are communicated in sequence.

Preferably, the bottom of one side of the water collecting tank is welded with a support, a water pump is fixed on the support, a water delivery pipe is fixed on the water pump, and one end of the water delivery pipe, which deviates from the water pump, is communicated with one end of the connecting pipe.

Preferably, a cavity is reserved between the first annular sound absorption pad and the second annular sound absorption pad, and the inner wall of the second annular sound absorption pad is aligned with the inner wall of the first circular ring and the inner wall of the second circular ring respectively.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up annular cover, first annular sound absorbing pad and second annular sound absorbing pad, inhale the sound noise reduction pollution through sound absorbing material. The utility model discloses be provided with annular cover, first annular sound absorption pad and second annular sound absorption pad all adopt the cotton preparation of slag. The upper end and the lower end of the annular cover are respectively welded with the outer side of the lower surface of the first circular ring and the outer side of the upper surface of the second circular ring, the inner wall of the annular cover is fixedly attached with a first annular sound absorption pad, a second annular sound absorption pad is fixedly arranged between the inner side of the lower surface of the first circular ring and the inner side of the upper surface of the second circular ring, and a cavity is reserved between the first annular sound absorption pad and the second annular sound absorption pad. During installation, the annular cover is sleeved at the exhaust channel, the lower surface of the second annular ring is in contact with the top end face of the heat exchange bin, the first annular ring exceeds the top end of the exhaust channel, and the inner wall of the second annular sound absorption pad is in contact with the outer wall of the exhaust channel. Most of the noise that axial fan body during operation produced is to diffusion all around, and the noise is absorbed when second annular sound absorption pad, and a small amount of residual noise is absorbed by first annular sound absorption pad when passing through cavity and first annular sound absorption pad to this reduces the produced noise of axial fan body, and two-layer annular sound absorption pad makes noise reduction better.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the present invention in a front sectional view;

FIG. 3 is a schematic view of the front cross-sectional connection structure of the annular sound absorbing pad of the present invention;

fig. 4 is an enlarged schematic view of fig. 3 a according to the present invention;

fig. 5 is a schematic view of the connection structure of the annular cover in front section.

In the figure: 1. a water collection tank; 2. an air intake grille; 3. a cooling bin; 4. a heat exchange bin; 5. an exhaust passage; 6. an annular shroud; 7. a water delivery pipe; 8. a water pump; 9. a support; 10. a coil pipe; 11. a spray head; 12. a connecting pipe; 13. a heat exchanger body; 14. an axial flow fan body; 15. a first circular ring; 16. a second circular ring; 17. a first annular sound absorbing pad; 18. a cavity; 19. and a second annular sound absorption pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to fig. 2, the present invention provides an embodiment: the utility model provides a noise reduction can good sealed cooling tower against current, including water catch bowl 1, cooling bin 3, heat transfer storehouse 4 and

exhaust passage

5, 1 top of water catch bowl and the 3 bottom fixed connection in cooling bin, 3 inside coil pipes 10 that are fixed with in cooling bin, two interfaces at both ends stretch out from 3 one sides in cooling bin respectively about coil pipes 10 one side, the interface of coil pipes 10 one side top is the water inlet, the interface of coil pipes 10 one side below is the delivery port, hot fluid medium gets into in coil pipes 10 from coil pipes 10's water inlet, hot fluid medium is discharged from coil pipes 10's delivery port after the heat transfer in coil pipes 10. The top of the cooling bin 3 is fixedly connected with the bottom of the heat exchange bin 4, the middle of the lower part inside the heat exchange bin 4 is fixedly provided with a connecting pipe 12, the bottom of the connecting pipe 12 is fixedly provided with a spray head 11, the spray head 11 is communicated with the inside of the connecting pipe 12, and the spray head 11 is positioned right above the coil pipe 10. The bottom of one side of the water collecting tank 1 is welded with a support 9, a water pump 8 is fixed on the support 9, as known by the technical personnel in the field, the water pump 8 is provided with common knowledge, which belongs to conventional means or common knowledge and is not described herein any more, and the technical personnel in the field can carry out any selection according to the needs or the convenience. A water delivery pipe 7 is fixed on the water pump 8, and one end of the water delivery pipe 7 departing from the water pump 8 is communicated with one end of the connecting pipe 12. The water pump 8 is started to convey cooling water to the connecting pipe 12 through the water conveying pipe 7, and the pressurized cooling water is atomized by the spray head 11 and then sprayed out to perform heat convection with the fluid medium in the coil pipe 10.

Air inlet grids 2 are respectively embedded in the front and rear two sides of the top of the water collecting tank 1, and embedding holes matched with the air inlet grids 2 are respectively formed in the front and rear two sides of the top of the water collecting tank 1. The heat exchanger body 13 is fixed inside the heat exchange chamber 4, and as is well known to those skilled in the art, the provision of the heat exchanger body 13 is common and is a conventional means or common knowledge, and will not be described herein again, and those skilled in the art can make any choice according to their needs or convenience. The top end of the heat exchange bin 4 is fixedly connected with the bottom end of the exhaust passage 5, and the axial flow fan body 14 is fixed in the exhaust passage 5, as is well known to those skilled in the art, the provision of the axial flow fan body 14 is common, and the description thereof is omitted here, and those skilled in the art can carry out any selection according to their needs or convenience. The axial flow fan body 14 corresponds to the top opening of the heat exchanger body 13. The water collecting tank 1, the cooling bin 3, the heat exchange bin 4 and the exhaust passage 5 are communicated in sequence. Air is supplied through the air inlet grid 2, the entering air and atomized cooling water form reverse convection, and the axial flow fan body 14 takes away a large amount of evaporated hot and humid air to cool the heat exchanger body 13. Part of the cooling water is evaporated to take away heat, the hot saturated air is discharged to the atmosphere by the axial flow fan body 14, the unevaporated spraying water falls into the water collecting tank 1, the water pump 8 pumps the water in the water collecting tank 1 to the water distribution system for heat dissipation, and then the water is sprayed to the outer surface of the coil pipe 10.

Example 2

Referring to fig. 1 to 5, the present invention provides an embodiment: the utility model provides a fall that performance of making an uproar is good counter-current closed cooling tower, the upper and lower both ends of annular cover 6 respectively with the outside welding of the 15 lower surfaces of first ring and the 16 upper surfaces of second ring outside, 6 inner walls laminating of annular cover are fixed with first annular sound absorbing pad 17, be fixed with second annular sound absorbing pad 19 between the inboard of the 15 lower surfaces of first ring and the 16 upper surfaces of second ring, first annular sound absorbing pad 17 and second annular sound absorbing pad 19 all adopt the preparation of mineral slag wool. A cavity 18 is left between the first annular sound absorbing pad 17 and the second annular sound absorbing pad 19, the inner wall of the second annular sound absorbing pad 19 being aligned with the inner wall of the first annular ring 15 and the inner wall of the second annular ring 16, respectively. During installation, the annular cover 6 suit is on

exhaust passage

5, 19 inner walls of second annular sound absorbing pad and 5 outer wall contacts of exhaust passage, 16 lower surfaces of second rings contact with 4 top end faces of heat exchange chamber, first ring 15 surpasses the 5 top of exhaust passage, the most part of noise that axial fan body 14 during operation produced is to diffusion all around, the noise is absorbed when second annular sound absorbing pad 19 is passed through to the noise, a small amount of residual noise is absorbed by first annular sound absorbing pad 17 when passing through cavity 18 and first annular sound absorbing pad 17, reduce the produced noise of axial fan body 14 with this, two-layer annular sound absorbing pad makes the effect of making an uproar better.

The working principle is as follows: the water pump 8 starts to convey cooling water to the connecting pipe 12 through the water conveying pipe 7, the pressurized cooling water is sprayed out after being atomized through the spray head 11, the pressurized cooling water and fluid media in the coil pipe 10 are subjected to heat convection, air enters through the air inlet grid 2, the entering air and the atomized cooling water form reverse convection, and the axial flow fan body 14 takes away a large amount of evaporated hot humid air to cool the heat exchanger body 13. Part of the cooling water is evaporated to take away heat, the hot saturated air is discharged to the atmosphere by the axial flow fan body 14, the unevaporated spraying water falls into the water collecting tank 1, the water pump 8 pumps the water in the water collecting tank 1 to the water distribution system for heat dissipation, and then the water is sprayed to the outer surface of the coil pipe 10.

Most of the noise generated when the axial flow fan body 14 operates is diffused all around, the noise is absorbed when passing through the second annular sound absorption pad 19, and a small amount of residual noise is absorbed by the first annular sound absorption pad 17 when passing through the cavity 18 and the first annular sound absorption pad 17.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fall good countercurrent closed cooling tower of performance of making an uproar, includes water catch bowl (1), cooling bin (3), heat transfer storehouse (4), exhaust passage (5), annular cover (6), first ring (15) and second ring (16), its characterized in that: water catch bowl (1) top and cooling storehouse (3) bottom fixed connection, cooling storehouse (3) inside is fixed with coil pipe (10), cooling storehouse (3) top and heat transfer storehouse (4) bottom fixed connection, heat transfer storehouse (4) inside is fixed with heat exchanger body (13), the centre of the inside below in heat transfer storehouse (4) is fixed with connecting pipe (12), connecting pipe (12) bottom is fixed with shower nozzle (11), heat transfer storehouse (4) top and exhaust passage (5) bottom fixed connection, exhaust passage (5) inside is fixed with axial fan body (14), the upper and lower both ends of annular cover (6) weld with first ring (15) lower surface outside and second ring (16) upper surface outside respectively, annular cover (6) inner wall laminating is fixed with first annular and inhales sound pad (17), be fixed with the second annular between first ring (15) lower surface inboard and second ring (16) upper surface inboard and inhale the second ring and inhale The sound pad (19) and the annular cover (6) are sleeved on the exhaust channel (5).

2. A counter-flow closed cooling tower with good noise reduction performance as set forth in claim 1, wherein: air inlet grids (2) are respectively embedded into the two sides of the front end and the rear end of the top of the water collecting tank (1), and embedding holes matched with the air inlet grids (2) are respectively formed in the two sides of the front end and the rear end of the top of the water collecting tank (1).

3. A counter-flow closed cooling tower with good noise reduction performance as set forth in claim 1, wherein: two interfaces at the upper end and the lower end of one side of the coil pipe (10) respectively extend out of one side of the cooling bin (3), the interface above one side of the coil pipe (10) is a water inlet, and the interface below one side of the coil pipe (10) is a water outlet.

4. A counter-flow closed cooling tower with good noise reduction performance as set forth in claim 1, wherein: the spray head (11) is communicated with the inside of the connecting pipe (12), and the spray head (11) is positioned right above the coil pipe (10).

5. A counter-flow closed cooling tower with good noise reduction performance as set forth in claim 1, wherein: the axial flow fan body (14) corresponds to the top opening of the heat exchanger body (13).

6. A counter-flow closed cooling tower with good noise reduction performance as set forth in claim 1, wherein: the water collecting tank (1), the cooling bin (3), the heat exchange bin (4) and the exhaust passage (5) are communicated in sequence.

7. A counter-flow closed cooling tower with good noise reduction performance as set forth in claim 1, wherein: the bottom of one side of the water collecting tank (1) is welded with a support (9), a water pump (8) is fixed on the support (9), a water pipe (7) is fixed on the water pump (8), and one end of the water pipe (7) departing from the water pump (8) is communicated with one end of a connecting pipe (12).

8. A counter-flow closed cooling tower with good noise reduction performance as set forth in claim 1, wherein: a cavity (18) is reserved between the first annular sound absorption pad (17) and the second annular sound absorption pad (19), and the inner wall of the second annular sound absorption pad (19) is aligned with the inner wall of the first circular ring (15) and the inner wall of the second circular ring (16) respectively.