CN212585523U - Counter-flow low-noise closed cooling tower for direct-current power transmission - Google Patents
Counter-flow low-noise closed cooling tower for direct-current power transmission Download PDFInfo
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- CN212585523U CN212585523U CN202021696691.0U CN202021696691U CN212585523U CN 212585523 U CN212585523 U CN 212585523U CN 202021696691 U CN202021696691 U CN 202021696691U CN 212585523 U CN212585523 U CN 212585523U
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- Prior art keywords
- noise
- cooling tower
- silencing
- direct
- closed cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/10—Arrangements for suppressing noise
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A counter-flow low-noise closed cooling tower for direct current power transmission belongs to the technical field of cooling towers. The utility model comprises a tower body, an air outlet arranged at the upper part of the tower body, and a plurality of air inlets arranged at the periphery of the lower part of the tower body, wherein a PVC water collector, a spray head, heat exchange filler, a coil heat exchanger and a water collecting tray are arranged below the air outlet in sequence, a plurality of air inlets are provided with noise elimination shutters, and a plurality of noise elimination inserting pieces are arranged at the air outlet; the silencing cotton is filled in the silencing shutter and the silencing insertion piece, and sound absorption holes are formed in the surfaces of the silencing shutter and the silencing insertion piece; the coil heat exchanger part extends into the water collecting tray and is contacted with water in the water collecting tray. The utility model discloses the small in noise that produces has avoided causing noise pollution to the surrounding environment, has ensured the normal use of cooling tower simultaneously.
Description
Technical Field
The utility model relates to a cooling tower technical field especially relates to a direct current is counter-current type low noise closed cooling tower for transmission of electricity.
Background
Closed cooling towers are devices that are widely used to cool industrial cycle fluid to discharge waste heat to the air. The closed cooling tower is a device which directly contacts water and air and carries out evaporation and convection heat exchange with a heat exchanger so as to reduce the temperature of fluid in a pipe. The spray water is vertically downward, the air vertically flows upward, and the wind-water flow is reversely called as a counter-flow closed cooling tower. The traditional counter-flow closed cooling tower is usually used for placing equipment on the top of a building or on the ground because the vicinity of an air inlet and an air outlet of the traditional counter-flow closed cooling tower cannot be shielded by obstacles.
And the equipment can generate certain noise during operation, which causes noise pollution to the surrounding environment. And the larger the equipment specification, the greater the noise generated, which can greatly limit the normal use of the cooling tower for areas with higher noise limit requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that above-mentioned prior art exists, provide a DC transmission is with counter-current formula low noise closed cooling tower, the small in noise of its production has avoided causing noise pollution to the surrounding environment, has ensured the normal use of cooling tower simultaneously.
The utility model aims at realizing through the following technical scheme:
a counter-flow low-noise closed cooling tower for direct current transmission comprises a tower body, an air outlet arranged at the upper part of the tower body, and a plurality of air inlets arranged on the periphery of the lower part of the tower body, wherein a PVC water collector, a spray head, heat exchange filler, a coil heat exchanger and a water collecting tray are sequentially arranged below the air outlet, noise elimination shutters are arranged at the positions of the plurality of air inlets, and a plurality of noise elimination inserting pieces are arranged at the positions of the air outlets; the silencing shutters and the silencing insertion pieces are filled with silencing cotton, and sound absorption holes are formed in the surfaces of the silencing shutters and the silencing insertion pieces;
the coil heat exchanger part extends into the water collecting tray and is contacted with water in the water collecting tray.
The noise of cooling tower mainly propagates to the external world through business turn over wind gap, so the utility model discloses mainly through set up the noise elimination tripe in air inlet department to and set up the multi-disc inserted sheet of eliminating noise at the air outlet, weaken the noise under the condition that does not influence business turn over wind. The silencing shutter and the silencing inserting sheet mainly convert part of noise into heat energy through silencing cotton in the silencing shutter and the silencing inserting sheet so as to achieve the purpose of reducing noise. Simultaneously, the water on the coil pipe heat exchanger also can produce the noise that the water droplet splashes in dropping to the water-collecting tray, the utility model discloses a stretch into the water-collecting tray with coil pipe heat exchanger part and contact the water in the water-collecting tray, make the water on the coil pipe heat exchanger directly flow into the water-collecting tray, avoided the production of this part noise to further fall and make an uproar.
As the utility model discloses it is preferred, heat exchange coil in the coil pipe heat exchanger is oval-shaped pipe. The coil heat exchanger adopts counter-flow heat exchange, and the oval pipes are staggered, so that air turbulence is enhanced, and air side disturbance is enhanced. Meanwhile, the oval pipe reduces the air side wind resistance and reduces the configuration requirement of the equipment on the fan. Compared with the common round tube heat exchanger with the same specification, the coil heat exchanger has the advantages of smaller coil spacing, more compact arrangement, higher heat exchange efficiency and larger heat exchange area in unit space.
As the utility model discloses it is preferred, be equipped with shower and water pump between water catch bowl and the shower nozzle. The structure enables water collected in the water collecting tray to be recycled, and the utilization rate of water resources is improved.
As the utility model discloses it is preferred, the noise elimination tripe include the framework, horizontal arrangement in a plurality of unit tripes in the framework, the unit tripe includes unit frame and a plurality of vertical arrangement's blade. The structure is convenient for the transportation and the installation of noise elimination tripe, reduces the transportation and the installation degree of difficulty through installing unit tripe one by one, reduces the risk.
Preferably, the blades are arranged in an inclined mode, and the inclined angle is 30-40 degrees. The design ensures the blocking and absorbing functions of the noise elimination louver on the noise, avoids the noise from directly passing through the gaps between the blades to be spread outwards, and reduces the influence of the noise elimination louver on the air intake as much as possible.
As the utility model discloses preferred, the blade has the inside and outside both sides thin, the thick elliptic cylinder shape in middle part. In the structure, the thinner parts at the two sides enable the openings of the air inlet end and the air outlet end of the whole noise elimination louver to be larger so as to ensure the air inlet amount; and the thicker part in the middle part enables the interior to be filled with more silencing cotton, thereby improving the noise reduction performance of the silencer.
As the utility model discloses it is preferred, the air outlet top is equipped with the frame that comprises the polylith bounding wall, interval align to grid has the multi-disc on the frame the noise elimination inserted sheet reaches the polylith the curb plate that the noise elimination inserted sheet enclosed. The frame and the side plates are arranged, so that direct outward transmission of noise is avoided, the noise can be transmitted outwards only by penetrating through gaps among the plurality of silencing insertion pieces, and in the process, part of noise is absorbed and converted by silencing cotton filled in the silencing insertion pieces, so that the noise transmitted to the outside is greatly reduced. And moreover, the gap between the silencing insertion pieces meets the requirement of air output.
As the utility model discloses it is preferred, the both sides upper end that the frame is relative all is equipped with polylith U template, the noise elimination inserted sheet install in the U template. The structure ensures the installation uniformity of the silencing insertion sheet on one hand and improves the installation stability of the silencing insertion sheet on the other hand.
As the utility model discloses it is preferred, the tower body outside is equipped with fan motor, the fan motor outside is equipped with the noise elimination cover, the casing intussuseption of noise elimination cover is filled with the amortization is cotton, and the surface is equipped with inhales the sound hole. The noise reduction cover reduces the noise transmitted outwards by the fan motor, thereby further improving the noise reduction performance of the whole cooling tower.
As the utility model discloses it is preferred, the noise reduction cover lower extreme is equipped with the thermovent. The heat dissipation of fan motor has been ensured to the thermovent.
The utility model has the advantages that:
1. the noise transmitted to the outside is greatly reduced, and the influence on the surrounding environment is weakened, so that the influence of the noise limitation of some areas on the normal use of the cooling tower is avoided.
2. Simple structure, and convenient installation, maintenance and repair.
3. The cooling performance is excellent and stable.
Drawings
FIG. 1 is a front view of the internal structure of the present invention;
fig. 2 is a side view of the internal structure of the present invention;
fig. 3 is a perspective view of the present invention;
FIG. 4 is a schematic view of the structure of the noise elimination louver;
FIG. 5 is a schematic view of a structure of a unit louver;
FIG. 6 is a schematic view of a blade configuration;
fig. 7 is a schematic view of the installation structure of the silencing insert.
1-a tower body; 2-air outlet; 3-air inlet; 21-an air duct; 22-a fan blade; 23-a fan motor; 4-PVC water collector; 5-a spray head; 6-heat exchange filler; 7-coil heat exchanger; 8-a water collecting tray; 71-a liquid outlet pipe; 72-a liquid inlet pipe; 15-a spray pipe; 16-an access door; 9-silencing louver; 10-silencing insertion piece; 91-a frame body; 921-cell box; 922-blade; 11-enclosing plates; 12-side plates; 13-U-shaped plates; 14-muffling cover.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A counter-flow low-noise closed cooling tower for direct-current power transmission comprises a tower body 1, an air outlet 2 arranged at the upper part of the tower body 1, and a plurality of air inlets 3 arranged on the periphery of the lower part of the tower body 1. Air duct 21 and fan blade 22 are equipped with in 2 departments of air outlet, the tower body outside is equipped with fan motor 23, and fan motor 23 passes through the belt drive fan blade 22 rotates. And a PVC water collector 4, a spray head 5, a heat exchange filler 6, a coil heat exchanger 7 and a water collecting tray 8 are sequentially arranged below the air outlet and inlet 2, and a spray pipe 15 and a water pump are arranged between the water collecting tray 8 and the spray head 5. The upper end and the lower end of the coil heat exchanger 7 are respectively provided with a liquid outlet pipe 71 and a liquid inlet pipe 72. An access door 16 is arranged on one side of the fan motor 23. The heat exchange filler 6 is honeycomb-shaped. The coil heat exchanger adopts mixed flow type heat exchange, and the oval pipes are arranged in a staggered manner, so that air turbulence is enhanced, and air side disturbance is enhanced. Meanwhile, the oval pipe reduces the air side wind resistance and reduces the configuration requirement of the equipment on the fan. Compared with the common round tube heat exchanger with the same specification, the coil heat exchanger has the advantages of smaller coil spacing, more compact arrangement, higher heat exchange efficiency and larger heat exchange area in unit space.
The working principle is as follows: high-temperature liquid enters from a liquid inlet pipe at the lower end of the coil heat exchanger and flows out from a liquid outlet pipe at the upper end after being cooled. And (3) cooling: the water sprayed out of the spray head is uniformly sprayed on the heat exchange filler, the temperature of the spray water on the heat exchange filler is reduced in an evaporation mode due to the large contact area of the heat exchange filler and air and the effect of wind power, then the water with lower temperature continuously drops downwards onto the coil heat exchanger to absorb the heat of high-temperature liquid in the coil, part of the spray water directly absorbs heat and is vaporized into steam which is absorbed by the fan and discharged into the atmosphere from the air outlet, and the wind entering from the air inlets around accelerates the evaporation of the water on the coil heat exchanger on one hand and directly takes away part of the heat on the other hand; the other part of spray water continuously falls into the water collecting tray after absorbing heat, and the water falling into the water collecting tray enters the next round of circulation through the spray pipe and the spray head again under the action of the water pump. In the process, the hot and humid air generated at the coil pipe and the heat exchange filler passes through the PVC water collector above the coil pipe and is discharged from the air outlet, and the PVC water collector can effectively recover unsaturated water drops in the hot and humid air, and enables the water drops to flow back to the water collecting tray and be recycled, so that water resources are saved.
In addition, in order to reduce the noise transmitted outwards by the cooling tower, a plurality of noise elimination shutters 9 are arranged at the air inlets 3, and a plurality of noise elimination inserting pieces 10 are arranged at the air outlets 2; the silencing cotton is filled in the silencing shutters 9 and the silencing insertion pieces 10, and sound absorption holes are formed in the surfaces of the silencing shutters; the coil heat exchanger 7 partially extends into the water collecting tray 8 and is in contact with water in the water collecting tray 8. The noise of cooling tower mainly propagates to the external world through business turn over wind gap, so the utility model discloses mainly through set up the noise elimination tripe in air inlet department to and set up the multi-disc inserted sheet of eliminating noise at the air outlet, weaken the noise under the condition that does not influence business turn over wind. The silencing shutter and the silencing inserting sheet mainly convert part of noise into heat energy through silencing cotton in the silencing shutter and the silencing inserting sheet so as to achieve the purpose of reducing noise. Simultaneously, the water on the coil pipe heat exchanger also can produce the noise that the water droplet splashes in dropping to the water-collecting tray, the utility model discloses a stretch into the water-collecting tray with coil pipe heat exchanger part and contact the water in the water-collecting tray, make the water on the coil pipe heat exchanger directly flow into the water-collecting tray, avoided the production of this part noise to further fall and make an uproar.
Specifically, the noise elimination louver 9 includes a frame 91 and a plurality of unit louvers horizontally arranged in the frame 91, and each unit louver includes a unit frame 921 and a plurality of vertically arranged blades 922. The structure is convenient for the transportation and the installation of noise elimination tripe, reduces the transportation and the installation degree of difficulty through installing unit tripe one by one, reduces the risk. And the blades 922 are arranged in an inclined mode, and the inclined angle is 30-40 degrees. The design ensures the blocking and absorbing functions of the noise elimination louver on the noise, avoids the noise from directly passing through the gaps between the blades to be spread outwards, and reduces the influence of the noise elimination louver on the air intake as much as possible. The vane 922 has an elliptic cylinder shape with thin inner and outer sides and a thick middle part. In the structure, the thinner parts at the two sides enable the openings of the air inlet end and the air outlet end of the whole noise elimination louver to be larger so as to ensure the air inlet amount; and the thicker part in the middle part enables the interior to be filled with more silencing cotton, thereby improving the noise reduction performance of the silencer.
In addition, a frame consisting of a plurality of enclosing plates 11 is arranged above the air outlet 2, and a plurality of the silencing insertion pieces 10 and side plates 12 enclosing the silencing insertion pieces 10 are uniformly arranged on the frame at intervals. The frame and the side plates are arranged, so that direct outward transmission of noise is avoided, the noise can be transmitted outwards only by penetrating through gaps among the plurality of silencing insertion pieces, and in the process, part of noise is absorbed and converted by silencing cotton filled in the silencing insertion pieces, so that the noise transmitted to the outside is greatly reduced. And moreover, the gap between the silencing insertion pieces meets the requirement of air output. The upper ends of two opposite sides of the frame are provided with a plurality of U-shaped plates 13, and the silencing insertion pieces 13 are arranged in the U-shaped plates 13. The structure ensures the installation uniformity of the silencing insertion sheet on one hand and improves the installation stability of the silencing insertion sheet on the other hand.
Since the fan motor 23 is provided outside the cooling tower, the fan motor 23 is provided with the noise reduction cover 14 outside in order to reduce noise generated by the fan motor. The noise reduction cover reduces the noise transmitted outwards by the fan motor, thereby further improving the noise reduction performance of the whole cooling tower. The shell of the muffling cover 14 is filled with the muffling cotton, and the surface of the muffling cover is provided with a sound absorbing hole. In a similar way, the sound absorption cover also adopts sound absorption cotton to realize sound absorption and noise reduction. The lower end of the silencing cover 14 is provided with a heat radiation opening. The heat dissipation of fan motor has been ensured to the thermovent.
The above description is only the specific embodiment of the preferred embodiment of the present invention, and this specific embodiment is based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A counter-flow low-noise closed cooling tower for direct current transmission comprises a tower body, an air outlet arranged at the upper part of the tower body, and a plurality of air inlets arranged on the periphery of the lower part of the tower body, wherein a PVC water collector, a spray head, heat exchange filler, a coil heat exchanger and a water collecting tray are sequentially arranged below the air outlet; the silencing shutters and the silencing insertion pieces are filled with silencing cotton, and sound absorption holes are formed in the surfaces of the silencing shutters and the silencing insertion pieces;
the coil heat exchanger part extends into the water collecting tray and is contacted with water in the water collecting tray.
2. The counter-flow low-noise closed cooling tower for direct-current transmission according to claim 1, wherein the heat exchange coil in the coil heat exchanger is an elliptical tube.
3. The reverse-flow low-noise closed cooling tower for direct-current transmission according to claim 1, wherein a spray pipe and a water pump are arranged between the water collecting tray and the spray head.
4. The reverse-flow low-noise closed cooling tower for direct-current transmission according to claim 1, wherein the noise elimination louver comprises a frame body and a plurality of unit louvers horizontally arranged in the frame body, and the unit louvers comprise a unit frame and a plurality of vertically arranged blades.
5. The reverse-flow low-noise closed cooling tower for direct-current transmission according to claim 4, wherein the blades are arranged at an inclination angle of 30 ° to 40 °.
6. The reverse-flow low-noise closed cooling tower for direct-current transmission according to claim 4, wherein the blades have an elliptical cylinder shape with a thin inner side and a thin outer side and a thick middle part.
7. The reverse-flow low-noise closed cooling tower for direct-current power transmission according to claim 1, wherein a frame comprising a plurality of surrounding plates is provided above the air outlet, and a plurality of the noise elimination inserts and side plates surrounding the noise elimination inserts are uniformly arranged on the frame at intervals.
8. The reverse-flow low-noise closed cooling tower for direct-current transmission according to claim 7, wherein a plurality of U-shaped plates are arranged at the upper ends of two opposite sides of the frame, and the silencing insertion pieces are installed in the U-shaped plates.
9. The reverse-flow low-noise closed cooling tower for direct-current transmission according to claim 1, wherein a fan motor is arranged on the outer side of the tower body, a noise reduction cover is arranged outside the fan motor, the noise reduction cotton is filled in a shell of the noise reduction cover, and a sound absorption hole is formed in the surface of the noise reduction cover.
10. The reverse-flow low-noise closed cooling tower for direct-current transmission according to claim 9, wherein a heat radiation port is provided at a lower end of the muffling cover.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019110040703 | 2019-10-22 | ||
| CN201911004070.3A CN110940201A (en) | 2019-10-22 | 2019-10-22 | Counter-flow low-noise closed cooling tower for direct-current power transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212585523U true CN212585523U (en) | 2021-02-23 |
Family
ID=69906128
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911004070.3A Withdrawn CN110940201A (en) | 2019-10-22 | 2019-10-22 | Counter-flow low-noise closed cooling tower for direct-current power transmission |
| CN202010818388.1A Pending CN111721142A (en) | 2019-10-22 | 2020-08-14 | Counter-flow low-noise closed cooling tower for direct-current power transmission |
| CN202021696691.0U Expired - Fee Related CN212585523U (en) | 2019-10-22 | 2020-08-14 | Counter-flow low-noise closed cooling tower for direct-current power transmission |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911004070.3A Withdrawn CN110940201A (en) | 2019-10-22 | 2019-10-22 | Counter-flow low-noise closed cooling tower for direct-current power transmission |
| CN202010818388.1A Pending CN111721142A (en) | 2019-10-22 | 2020-08-14 | Counter-flow low-noise closed cooling tower for direct-current power transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN110940201A (en) |
-
2019
- 2019-10-22 CN CN201911004070.3A patent/CN110940201A/en not_active Withdrawn
-
2020
- 2020-08-14 CN CN202010818388.1A patent/CN111721142A/en active Pending
- 2020-08-14 CN CN202021696691.0U patent/CN212585523U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN111721142A (en) | 2020-09-29 |
| CN110940201A (en) | 2020-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |