CN219161042U - Natural ventilation counterflow wet cooling tower antifreezing energy-saving device - Google Patents
Natural ventilation counterflow wet cooling tower antifreezing energy-saving device Download PDFInfo
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- CN219161042U CN219161042U CN202320196317.1U CN202320196317U CN219161042U CN 219161042 U CN219161042 U CN 219161042U CN 202320196317 U CN202320196317 U CN 202320196317U CN 219161042 U CN219161042 U CN 219161042U
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- wind shielding
- shielding curtain
- cooling tower
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses an antifreezing energy-saving device of a natural ventilation countercurrent wet cooling tower, which is characterized in that a lower ring beam and an upper ring beam are respectively arranged at the bottom and the top of an air inlet of the cooling tower, upright posts are arranged between the upper ring beam and the lower ring beam, an adjustable lifting wind shielding curtain is arranged between two adjacent upright posts, an adjusting unit is formed by the two adjacent upright posts and the wind shielding curtain which is correspondingly arranged, and all adjusting units which are uniformly distributed along the circumferential direction form the antifreezing energy-saving device; the bottom of the wind shielding curtain is provided with a lifting rod, two ends of the lifting rod are limited in vertical sliding grooves of the upright post at the corresponding side, and the driving device is used for driving the lifting rod to lift so as to realize the opening adjustment of the wind shielding curtain; each horizontal stay bar is arranged on the wind shielding curtain, two ends of each horizontal stay bar are limited in the vertical sliding groove of the upright post on the corresponding side, and the wind shielding curtain after being lifted is folded in a Z shape by utilizing each horizontal stay bar. The utility model can effectively ensure the smooth and reliable lifting adjustment process of the wind shielding curtain and ensure the normal operation of the natural ventilation countercurrent wet cooling tower.
Description
Technical Field
The utility model relates to a natural ventilation countercurrent wet cooling tower, in particular to an antifreezing energy-saving device of the natural ventilation countercurrent wet cooling tower.
Background
Natural ventilation countercurrent wet cooling towers are widely used in the industries of energy, petrochemical industry, metallurgy and the like, and cooling water carrying waste heat is subjected to heat exchange with humid air in the tower, so that the waste heat is transmitted to the humid air and is dispersed into the atmosphere. The natural ventilation countercurrent wet cooling tower with hyperbolic tower body is supported by herringbone columns at the bottom, the air inlet at the bottom of the tower body is positioned between adjacent herringbone columns, and the facilities in the tower mainly comprise a water distribution system, a filler bracket, water spraying filler, a splashing device, a water remover and a water collecting tank, a water spraying plate, a water collecting tank and the like.
The natural ventilation countercurrent wet cooling tower mainly depends on the action of suction force formed by the density difference between the air inside and outside the tower body to suck cooling air into the tower body from the outside of the tower body through an air inlet at the bottom of the tower body, and the cooling air sequentially flows through all areas in the tower body from bottom to top: the rain area (conventional tower) or the inclined plate channel of the water receiving device is discharged into the atmosphere through the small rain area (high-level tower), the water spraying filler area, the spraying area and the water receiving area and then through the upper area of the tower body. The cooling air contacts with the high-temperature cooling water in the rain area or the small rain area, the water spraying filler area and the spraying area, and absorbs the heat of the high-temperature cooling water through heat transfer and heat exchange of a medium, so that the temperature of the high-temperature cooling water is reduced, and the cooling function of the cooling tower is realized.
In northern cold areas, when the cooling tower runs in winter, when the temperature of ambient air is lower than zero ℃, the situation that ice is hung on components such as a cooling tower bracket and a filler can occur, the ice hanging problem is more serious when the ambient temperature is lower, the components such as the bracket and the filler can be pulled down when the ice hanging is overweight, the components are damaged, and the normal running of the cooling tower is seriously influenced; however, because the area of the air inlet is large and the height is high, the weight and the area of the wind shielding curtain are large, on the other hand, the wind shielding curtain is deformed due to the large suction force at the position of the air inlet, the smooth lifting and descending of the wind shielding curtain cannot be ensured, and the normal operation of equipment is greatly influenced by the phenomenon of blocking frequently occurring.
Disclosure of Invention
The utility model provides an antifreezing energy-saving device for a natural ventilation countercurrent wet cooling tower, which aims to avoid the defects of the prior art, so as to ensure the smooth and reliable lifting adjustment process of a wind shielding curtain and ensure the normal operation of the natural ventilation countercurrent wet cooling tower.
The utility model adopts the following technical scheme for solving the technical problems:
the utility model relates to an antifreezing energy-saving device for a natural ventilation countercurrent wet cooling tower, which is characterized in that the natural ventilation countercurrent wet cooling tower is a hyperbolic tower body, the bottom of the tower is supported by herringbone columns, the herringbone columns are distributed at one circle of the bottom of the tower, and air inlets are formed between adjacent herringbone columns; the utility model has the structural characteristics that: the bottom of the air inlet is provided with a lower ring beam, the top of the air inlet is provided with an upper ring beam, upright posts with vertical sliding grooves are uniformly arranged between the upper ring beam and the lower ring beam along the circumferential direction, an adjustable lifting wind shielding curtain is arranged between two adjacent upright posts, an adjusting unit is formed by the two adjacent upright posts and the wind shielding curtain correspondingly arranged, and all adjusting units uniformly distributed along the circumferential direction form the anti-freezing energy-saving device; in each adjusting unit, a lifting rod is arranged at the bottom of the wind shielding curtain, two ends of the lifting rod are limited in vertical sliding grooves of the upright post at the corresponding side, and the driving device is used for driving the lifting rod to lift so as to realize the opening adjustment of the wind shielding curtain; in each adjusting unit, each horizontal brace rod is uniformly arranged on the wind shielding curtain, two ends of each horizontal brace rod are limited in the vertical sliding groove of the corresponding side upright post, and each horizontal brace rod is utilized to enable the lifted wind shielding curtain to form Z-shaped folding.
The utility model relates to an antifreezing energy-saving device for a natural ventilation countercurrent wet cooling tower, which is also characterized in that: the driving device takes a motor as a power device, and the motor drives the motor to realize the rotation control of the transmission shaft; the transmission shaft is horizontally arranged at the bottom of the air inlet; a pair of chain transmission mechanisms which run synchronously are arranged on two sides of the wind shielding curtain, and annular chains are meshed on a top chain wheel and a bottom chain wheel to form the chain transmission mechanisms; the top chain wheel is used as a driven wheel, the bottom chain wheel is used as a driving wheel, and the driving wheel is fixedly arranged at the shaft end of the transmission shaft; the driving wheels fixedly arranged at the two ends of the driving wheel are driven by the transmission shaft, so that the synchronous operation of the two side chain transmission mechanisms of the windshield is realized.
The utility model relates to an antifreezing energy-saving device for a natural ventilation countercurrent wet cooling tower, which is also characterized in that: and a shaft coupling is utilized between two adjacent adjusting units to carry out shaft coupling on the transmission shafts in the two adjacent adjusting units, so that synchronous control of one motor on each adjusting unit is realized.
The utility model relates to an antifreezing energy-saving device for a natural ventilation countercurrent wet cooling tower, which is also characterized in that: arranging an adapter to fixedly connect the lifting rod with the annular chain, wherein the adapter is fixedly connected with the cover plate by bolts through the base; the base and the cover plate are provided with notches on the opposite surfaces according to the outline shape of the annular chain, and the annular chain is clamped and fixed in the notches by the base and the cover plate which are connected through bolts; the base is provided with a through horizontal hole, and the lifting rod passes through the horizontal hole to follow up with the adapter.
The utility model relates to an antifreezing energy-saving device for a natural ventilation countercurrent wet cooling tower, which is also characterized in that: the horizontal hole is an opening hole, and the bolt is used for pressing the opening to fix the lifting rod in the horizontal hole of the adapter.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the two adjacent upright posts and the wind shielding curtains which are correspondingly arranged form the adjusting units, and each adjusting unit which is uniformly distributed along the circumferential direction forms the anti-freezing energy-saving device, so that the integral area and the weight of the wind shielding curtains are greatly reduced through decomposition, the control of the wind shielding curtains in each adjusting unit is smooth and reliable, and the normal operation of equipment is effectively ensured;
2. according to the utility model, the lifted wind shielding curtain is folded in a Z shape by utilizing the horizontal stay bar, so that the wind shielding curtain is orderly folded in a lifting and descending process, and a guarantee is provided for smooth lifting of the wind shielding curtain;
3. according to the utility model, the pair of chain transmission mechanisms which synchronously run are arranged at the two sides of the wind shielding curtain, so that the wind shielding curtain is effectively ensured not to be skewed at the two sides, the reliable running of the wind shielding curtain in the lifting and descending processes is ensured, and the stopping is eliminated;
4. according to the utility model, the synchronous control of each adjusting unit by one motor is realized by arranging the coupler, and the structure is simple;
5. the adapter of the utility model enables the connection between the lifting rod and the annular chain to be simple and reliable.
Drawings
FIG. 1 is a schematic structural view of the antifreeze energy saving device of the present utility model;
FIG. 2 is a schematic diagram of a driving device according to the present utility model;
FIG. 3 is a schematic view of the connection structure of the adaptor and the lifting rod and the endless chain according to the present utility model;
FIG. 4a is a schematic view of a base structure of the adaptor according to the present utility model;
FIG. 4b is a schematic view of a cover plate of the adaptor according to the present utility model;
FIG. 5 is a schematic view of a natural draft counter flow wet cooling tower structure according to the present utility model;
reference numerals in the drawings: the device comprises a motor 1, a driving chain 2, a transmission shaft 3, a bottom chain wheel 4, a top chain wheel 5, a ring-shaped chain 6, a fixed block 7, a base 7, a cover plate 7, a lifting rod 8, a driving gear 9a, a driven gear 9b, a notch 10, a hyperbolic tower body 11, a herringbone column 12, an air inlet 13, a lower ring beam 14a, an upper ring beam 14b, a vertical column 15, a wind curtain 16, a horizontal supporting rod 17, a driving device 18 and a horizontal hole 19.
Detailed Description
Referring to fig. 1 and 5, the natural ventilation countercurrent wet cooling tower is a hyperbolic tower body 11, the tower bottom is supported by herringbone columns 12, the herringbone columns 12 are distributed at one circle of the tower bottom, and an air inlet 13 is formed between adjacent herringbone columns; in this embodiment, as shown in fig. 1, a lower ring beam 14a is disposed at the bottom of an air inlet 13, an upper ring beam 14b is disposed at the top of the air inlet 13, upright posts 15 with vertical sliding grooves are uniformly disposed between the upper ring beam 14a and the lower ring beam 14b along the circumferential direction, a wind shielding curtain 16 capable of being lifted and lowered is mounted between two adjacent upright posts, an adjusting unit is formed by the two adjacent upright posts 15 and the wind shielding curtain 16 correspondingly disposed, and all adjusting units uniformly distributed along the circumferential direction form an anti-freezing energy-saving device.
In the adjustment units shown in fig. 1, a lifting rod 8 is arranged at the bottom of a wind shielding curtain 15, two ends of the lifting rod 8 are limited in vertical sliding grooves of corresponding side upright posts 15, and a driving device 18 is used for driving the lifting rod 8 to lift so as to realize the opening adjustment of the wind shielding curtain 15; in each adjusting unit, each horizontal stay bar 17 is also uniformly arranged on the wind shielding curtain 15, two ends of each horizontal stay bar 17 are limited in the vertical sliding groove of the corresponding side upright post 15, and each horizontal stay bar 17 is utilized to enable the lifted wind shielding curtain 16 to form Z-shaped folding, so that the wind shielding curtain can be orderly folded and unfolded in the lifting and descending processes of the wind shielding curtain, and the guarantee is provided for smooth lifting of the wind shielding curtain.
In a specific implementation, the corresponding structure arrangement also includes:
as shown in fig. 1 and 2, the driving device 18 uses a motor 1 as a power device, and is driven by the motor 1 to realize rotation control of a transmission shaft 3 through a gear chain transmission mechanism; the transmission shaft 3 is horizontally arranged at the bottom of the air inlet; the gear chain transmission mechanism shown in fig. 2 is formed by arranging a drive chain 2 on a pair of gears, wherein a driving gear 9a of the pair of gears is fixedly connected to an output shaft of a motor 1, and a driven gear 9b of the pair of gears is used for driving a transmission shaft 3 to rotate.
As shown in fig. 1 and 2, a pair of chain transmission mechanisms which run synchronously are arranged on two sides of the wind shielding curtain 15, and the endless chain 6 is meshed on the top chain wheel 5 and the bottom chain wheel 4 to form the chain transmission mechanism; the top chain wheel 5 is used as a driven wheel, the bottom chain wheel 4 is used as a driving wheel, and the driving wheel is fixedly arranged at the shaft end of the transmission shaft 3; the driving wheels fixedly arranged at the two ends of the driving wheel are driven by the transmission shaft 3, so that the synchronous operation of the two side chain transmission mechanisms of the windshield is realized. The chain transmission mechanism with synchronous operation at two sides effectively ensures that the wind shielding curtain is not askew at two sides, ensures the reliable operation of the wind shielding curtain lifting and descending process, and eliminates stopping.
In the specific implementation, the transmission shafts 3 in the two adjacent adjusting units are connected by the shaft coupling between the two adjacent adjusting units, so that synchronous control of one motor 1 on each adjusting unit is realized, and the related technical scheme is simple and easy to implement.
In the embodiment, an adaptor 7 shown in fig. 3 and 4 is arranged, the adaptor 7 is used for fixedly connecting the lifting rod 8 with the annular chain 6, and the adaptor 7 is fixedly connected by a base 7a and a cover plate 7b through bolts; the base 7a and the cover plate 7b are provided with notches 10 on the opposite surfaces according to the outline shape of the annular chain 6, and the annular chain 6 is clamped and fixed in the notches 10 by the base 7a and the cover plate 7b which are connected through bolts; a through horizontal hole 19 is arranged on the base 7a, and the lifting rod 8 passes through the horizontal hole 19 to follow up with the adapter 7; for the convenience of fixing, the horizontal hole 19 is an open hole, the lifting rod 8 is fixed in the horizontal hole 19 of the adapter 7 by pressing the opening through a bolt, and the connection between the lifting rod 8 and the annular chain 6 is simple and reliable due to the structural form of the adapter.
The utility model eliminates the problems of asynchronous lifting and jamming of the two ends of the wind shielding curtain in the running process, and improves the practicability, flexibility and convenience of winterization while effectively improving the running economy of the unit in winter.
Claims (5)
1. The natural ventilation countercurrent wet cooling tower is a hyperbolic tower body (11), the tower bottom is supported by herringbone columns (12), the herringbone columns are distributed on the periphery of the tower bottom, and air inlets (13) are formed between adjacent herringbone columns; the method is characterized in that:
a lower ring beam (14 a) is arranged at the bottom of the air inlet, an upper ring beam (14 b) is arranged at the top of the air inlet, upright posts (15) with vertical sliding grooves are uniformly arranged between the upper ring beam and the lower ring beam along the circumferential direction, a wind shielding curtain (16) capable of being lifted and lowered is arranged between two adjacent upright posts, an adjusting unit is formed by the two adjacent upright posts and the wind shielding curtain correspondingly arranged, and all adjusting units uniformly distributed along the circumferential direction form the anti-freezing energy-saving device;
in each adjusting unit, a lifting rod (8) is arranged at the bottom of the wind shielding curtain (16), two ends of the lifting rod (8) are limited in vertical sliding grooves of corresponding side upright posts (15), and a driving device is used for driving the lifting rod (8) to lift so as to realize the opening adjustment of the wind shielding curtain (16);
in each adjusting unit, each horizontal stay bar (17) is uniformly arranged on the wind shielding curtain, two ends of each horizontal stay bar (17) are limited in the vertical sliding groove of the corresponding side upright post (15), and the wind shielding curtain (16) after lifting is folded in a Z shape by utilizing each horizontal stay bar (17).
2. The natural draft counter flow wet cooling tower antifreeze energy saving device of claim 1, wherein: the driving device takes the motor (1) as a power device, and the motor (1) drives the motor to realize the rotation control of the transmission shaft (3); the transmission shaft (3) is horizontally arranged at the bottom of the air inlet (13); a pair of chain transmission mechanisms which run synchronously are arranged on two sides of the wind shielding curtain (16), and annular chains are meshed on a top chain wheel and a bottom chain wheel to form the chain transmission mechanisms; the top chain wheel is used as a driven wheel, the bottom chain wheel is used as a driving wheel, and the driving wheel is fixedly arranged at the shaft end of the transmission shaft (3); the driving wheels fixedly arranged at the two ends of the driving wheel are driven by the transmission shaft (3), so that the synchronous operation of the two side chain transmission mechanisms of the windshield is realized.
3. The natural draft counter flow wet cooling tower antifreeze energy saving device of claim 2, wherein: and a transmission shaft (3) in the two adjacent adjusting units is connected by a shaft coupling between the two adjacent adjusting units, so that synchronous control of each adjusting unit by one motor (1) is realized.
4. The natural draft counter flow wet cooling tower antifreeze energy saving device of claim 1, wherein: arranging an adapter piece (7) to fixedly connect the lifting rod (8) with the annular chain, wherein the adapter piece (7) is fixedly connected with the cover plate (7 b) through bolts by the base (7 a); the base (7 a) and the cover plate (7 b) are provided with notches (10) on the opposite surfaces according to the outline shape of the annular chain, and the annular chain is clamped and fixed in the notches (10) by the base (7 a) and the cover plate (7 b) which are connected through bolts; the base (7 a) is provided with a through horizontal hole, and the lifting rod (8) passes through the horizontal hole to follow up with the adapter (7).
5. The natural draft counter flow wet cooling tower antifreeze energy saving device of claim 4, wherein: the horizontal hole (19) is an open hole, and the lifting rod (8) is fixed in the horizontal hole (19) of the adapter (7) by pressing the opening through the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320196317.1U CN219161042U (en) | 2023-02-13 | 2023-02-13 | Natural ventilation counterflow wet cooling tower antifreezing energy-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320196317.1U CN219161042U (en) | 2023-02-13 | 2023-02-13 | Natural ventilation counterflow wet cooling tower antifreezing energy-saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219161042U true CN219161042U (en) | 2023-06-09 |
Family
ID=86620789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320196317.1U Active CN219161042U (en) | 2023-02-13 | 2023-02-13 | Natural ventilation counterflow wet cooling tower antifreezing energy-saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219161042U (en) |
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2023
- 2023-02-13 CN CN202320196317.1U patent/CN219161042U/en active Active
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