CN210773534U - Device capable of remotely and automatically adjusting water temperature of cooling tower in winter - Google Patents
Device capable of remotely and automatically adjusting water temperature of cooling tower in winter Download PDFInfo
- Publication number
- CN210773534U CN210773534U CN201921875010.4U CN201921875010U CN210773534U CN 210773534 U CN210773534 U CN 210773534U CN 201921875010 U CN201921875010 U CN 201921875010U CN 210773534 U CN210773534 U CN 210773534U
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- ring
- cooling tower
- temperature
- rotating
- collecting tank
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Abstract
The utility model discloses a device that can long-range automatically regulated cooling tower water temperature winter, the outside of the vent outside the catch basin of cooling tower bottom sets up the temperature in the vertical aviation baffle control cooling tower, and the aviation baffle passes through motor drive bevel gear to drive the aviation baffle and rotate, thereby gear and first rotating ring, the second rotating ring that the rethread set up on the aviation baffle drive all aviation baffles and rotate, reach the effect of the control amount of wind, the utility model has the advantages of can realize remote operation, the temperature that the leading-in appropriate amount of wind of automatic adjustment aviation baffle angle made water reaches suitable temperature, has improved the efficiency of regulation temperature, has effectively avoided the ice swift current to injure advantages such as people's risk.
Description
Technical Field
The utility model relates to an industry cooling field, in particular to device that can long-range automatically regulated cooling tower water temperature winter.
Background
Water resources in China are deficient, most of circulating water systems in thermal power plants adopt cooling towers to cool water, the cooling towers serve as important auxiliary equipment of the power plants, and water which cools off exhaust steam of the steam turbine is cooled again and then reused, so that the purposes of saving energy and reducing consumption are achieved.
Temperature is lower in winter in the north, power plant's cooling tower water temperature descends comparatively obviously, each position freezes more seriously, bring the degree of difficulty to unit operation regulation, but satisfy the unit needs in order to guarantee the water temperature, domestic most adoption is at installation deep bead or the windshield curtain around the cooling tower catch basin, in order to satisfy unit water temperature needs, the maintainer needs carry out manual adjustment to deep bead or windshield curtain according to the temperature degree that the operation personnel provided, the adjustment mode is for plucking, adorn deep bead or windshield curtain, the handling capacity is great, this has certain error, the too high or low phenomenon of temperature frequently appears in the temperature, the difficult needs that satisfy the unit to the temperature degree, and freezing swift current phenomenon appears in winter at the cooling tower top easily, the in-process of manual adjustment deep bead or windshield curtain has the risk of being injures by a pound.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a device that can long-range automatically regulated cooling tower temperature in winter has and can realize remote operation, and the temperature that the leading-in appropriate amount of wind of automatic adjustment aviation baffle angle made water reaches suitable temperature, has improved the efficiency of regulation, has effectively avoided the smooth advantage of injuring people's risk of pounding of ice.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a device capable of remotely and automatically adjusting the water temperature of a cooling tower in winter comprises a cylindrical cooling tower, wherein a water collecting tank is arranged at the bottom of the cooling tower, a ventilation opening is formed in the periphery of the water collecting tank, and an automatic adjusting device is arranged on the outer side of the ventilation opening in the periphery of the water collecting tank;
the automatic adjusting device comprises a plurality of air deflectors which are vertically arranged along the periphery of the outer side of the water collecting tank, rotating rods are fixedly arranged on any vertical side of the air deflectors, gears are arranged at the upper end and the lower end of each rotating rod, first circular rotating rings which surround the periphery of the outer side of the water collecting tank are arranged on the outer sides of the gears at the upper end and the lower end, a first rack is arranged on the inner side of each first rotating ring, the first racks and the gears are mutually meshed, second circular rotating rings which surround the periphery of the water collecting tank are arranged on the inner sides of the gears at the upper end and the lower end, a second rack is arranged on the outer side of each second rotating ring, and the second racks and the gears are mutually meshed;
the upper part of the first rotating ring and the upper part of the second rotating ring are both provided with an annular first fixing ring surrounding the water collecting tank for one circle, the lower part of the first rotating ring and the lower part of the second rotating ring are both provided with an annular second fixing ring surrounding the water collecting tank for one circle, the diameters of the first fixing ring and the second fixing ring are consistent with the diameter of the first rotating ring, the inner sides of the first fixing ring and the second fixing ring are fixedly connected with the water collecting tank, the first fixing ring and the second fixing ring above the air deflector are in sliding fit with the first rotating ring above the air deflector, and the first fixing ring and the second fixing ring below the air deflector are in sliding fit with the first rotating ring below the air deflector;
the plurality of rotating rods extend upwards and downwards, and are rotatably connected with the first fixing ring and the second fixing ring;
any rotating rod extends downwards to form a second fixing ring below the air deflector, a first bevel gear is fixedly arranged at the extending position of the rotating rod, a second bevel gear is arranged at the engaging position of the first bevel gear, and the second bevel gear is fixedly connected with a motor;
wind speed and volume measuring device and temperature measuring device are installed to the cooling tower outside, wind speed and volume measuring device's signal output part and temperature measuring device's signal output part electric signal connection have the DCS, the signal output part of DCS and the signal input part electric signal connection of motor.
The preferred scheme is as follows:
preferably: the bearing that all is equipped with a plurality of and dwang one-to-one in first retaining collar and the second retaining collar, every the bearing inboard and dwang fixed connection. The setting of the bearing can facilitate the rotation of the rotating rod, so that the air deflector can be driven to rotate more conveniently.
Preferably: the upper portion and the lower part of first rotating ring and second rotating ring all are fixed and are equipped with annular spacing ring, the lower part of first solid fixed ring and the solid fixed ring's of second upper portion all opened with the spacing ring one-to-one twice spacing annular, the spacing ring is in the cooperation of spacing annular grafting, spacing ring and spacing annular sliding connection. The cooperation of spacing ring and spacing annular can let first rotating ring and second rotating ring better rotation between first solid fixed ring and the solid fixed ring of second, plays the effect of position once more.
Preferably: the collecting tank bottom is equipped with the pipeline, pipeline one end and collecting tank bottom intercommunication, one end intercommunication have circulating water pump, circulating water pump's signal input part and DCS's signal output part electric signal connection. The circulating water pump is always in the working process, and the working state of the circulating water pump can be monitored through the DCS.
Preferably: and a thermal device is arranged at the outlet of the circulating water pump, and the signal output end of the thermal device is electrically connected with the signal input end of the DCS. The thermal device can respond to the temperature of water, thereby adjusting the angle of the air deflector after the comparison of DCS.
Preferably: the outer center line of the air deflector protrudes outwards, and the cross section of the air deflector is triangular. The cross section of the air deflector is triangular, so that the resistance of wind can be reduced when the angle of the air deflector is adjusted, the rotation of the air deflector is more convenient, and meanwhile, the air deflector can be firmer.
Preferably: the DCS comprises a storage module and a judgment module, wherein the storage module stores the lowest limit value and the maximum upper limit value of the wind speed and the wind quantity, the lowest limit value and the maximum upper limit value of the outside temperature and the lowest limit value and the maximum upper limit value of the water temperature at the outlet of the circulating water pump. DCS can control the rotation angle of the air deflector better, and can carry out better contrast.
Preferably: and a filter screen is arranged at the communication position of the bottom of the water collecting tank and the pipeline. The filter screen can prevent debris in the catch basin from being taken out elsewhere by circulating water pump.
To sum up, the utility model discloses following beneficial effect has:
the water temperature control device has the advantages that remote operation can be realized, the angle air-guiding quantity of the air deflector is automatically adjusted according to the outside air temperature, the air speed and the air quantity and the water temperature at the outlet of the circulating water pump, so that the water temperature is reduced, manual operation on the spot is omitted, the adjusting efficiency is improved, and the risk that people are injured by ice slips is effectively avoided.
Drawings
Fig. 1 is an external perspective view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a working principle diagram of the concrete structure of the air deflector of the present invention;
fig. 4 is a structural plan view of the gear and rack of the air deflector of the present invention.
In the figure, 1, a cooling tower; 2. an automatic adjustment device; 111. a water collecting tank; 112. a vent; 211. an air deflector; 212. rotating the rod; 213. a gear; 214. a first rotating ring; 215. a first rack; 216. a second rotating ring; 217. a second rack; 218. a first retaining ring; 219. a second retaining ring; 220. a first bevel gear; 221. a second bevel gear; 222. a motor; 223. a wind speed and wind volume measuring device; 224. a temperature measuring device; 225. DCS; 226. a bearing; 227. a limiting ring; 228. a thermal device; 230. a pipeline; 231. a water circulating pump; 232. and (4) a filter screen.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
A device capable of remotely and automatically adjusting the temperature of cooling tower water in winter;
as shown in fig. 1-4, a collecting tank 111 is arranged at the bottom of the cooling tower 1, exhaust steam of a steam turbine in a unit falls from high altitude, air is blown into the cooling tower 1 from a ventilation opening 112 arranged around the collecting tank 111 for cooling, and finally cooled water falls into the collecting tank 111 from high altitude;
in order to control the air quantity blown by the ventilation opening 112 and prevent the cooling tower 1 from being frozen in winter, a plurality of air deflectors 211 are arranged on the periphery of the outer side of the ventilation opening of the water collecting tank 111 of the cooling tower 1, the plurality of air deflectors 211 are vertically arranged, the cross section of each air deflector 211 is triangular, the rotation of each air deflector 211 is facilitated, the air deflection is facilitated, a rotating rod 212 is arranged on one side of any vertical direction of each air deflector 211 and used for rotating the air deflectors 211, gears 213 are fixedly arranged at the upper end and the lower end of each rotating rod 212, annular first rotating rings 214 which surround the periphery of the outer side of the water collecting tank 111 are arranged on the outer sides of the gears 213 at the upper end and the lower end of each rotating rod 212, a first rack 215 is arranged on the inner side of each first rotating ring 213, the first racks 215 are mutually meshed with the plurality of gears 213, and annular second rotating rings 213 which surround the periphery of the water collecting tank, a second rack 217 is arranged outside each second rotating ring 216, the second rack 217 is meshed with the gears 213, in order to fix the first rotating ring 214 and the second rotating ring 216 better, a first annular fixing ring 218 which surrounds the water collecting tank 111 for one circle is arranged at the upper part of the first rotating ring 214 and the upper part of the second rotating ring 216, and a second annular fixing ring 219 which surrounds the water collecting tank 111 for one circle is arranged at the lower part of the first rotating ring 214 and the lower part of the second rotating ring 216;
the upper parts and the lower parts of the first rotating ring 214 and the second rotating ring 216 are fixedly provided with annular limiting rings 227, the lower part of the first fixing ring 218 and the upper part of the second fixing ring 219 are provided with two limiting ring grooves corresponding to the limiting rings 227 one by one, the limiting rings 227 are in inserting fit with the limiting ring grooves and are in sliding connection, the positions of the first rotating ring 214 and the second rotating ring 216 are limited, the stable rotation of the first rotating ring 214 and the second rotating ring 216 is facilitated, and meanwhile, the first fixing ring 218 and the second fixing ring 219 are fixed on a cooling tower, so that the whole set of automatic adjusting device achieves a good fixing effect;
in order to reduce the resistance of the air deflector 211 during rotation, bearings 226 corresponding to the air deflector 211 are fixedly arranged in the first fixing ring 218 and the second fixing ring 219 at the upper end of the air deflector 211, and the first fixing ring 218 and the second fixing ring 219 at the lower end of the air deflector, the bearings 226 are sleeved at the upper end and the lower end of the rotating rod 212, and the inner side of the bearing 226 is fixedly connected with the rotating rod 212;
any rotating rod 212 extends downwards to form a second fixing ring 219 below the air deflector 211, a first bevel gear 220 is fixedly arranged at the extending position of the rotating rod 212, a second bevel gear 221 is arranged at the first bevel gear 220 in a meshed and matched mode, a motor is fixedly connected to the second bevel gear 221, the first bevel gear 220 on the motor 222 is used for driving the second bevel gear 221 to rotate, so that the whole set of guide plates 211 are driven to rotate, in order to achieve remote automatic control, a signal input end of the motor 222 is connected with a signal output end of a DCS225, in order to achieve accurate control of the angle of the air deflector 211, an air speed and air quantity measuring device 223 and a temperature measuring device 224 are installed on the cooling tower 1, a thermal device 228 is installed at the outlet of a circulating water pump 231, detected data are input into the DCS225 for automatic comparison, and after comparison, the;
in order to compare the temperature more accurately, the DCS225 includes a storage module and a determination module, and the storage module stores the lowest limit and the highest limit of the wind speed and the wind volume, the lowest limit and the highest limit of the external temperature, and the lowest limit and the highest limit of the water temperature at the outlet of the circulating water pump 231.
The circulating water pump 231 is always in an operating state and is connected with the bottom of the water collecting tank 111 through the pipeline 230, water in the water collecting tank 111 is pumped out for cooling the unit in the next step, and meanwhile, the signal input end of the circulating water pump 231 is connected with the signal output end of the DCS225, so that the DCS can monitor the working state of the circulating water pump 231 at any time;
in order to prevent the impurities in the cooling tower 1 from being pumped into the condenser, a filter screen 232 is arranged at the communication part between the bottom of the water collecting tank 111 and the pipeline 230.
The working principle of the utility model is as follows:
a wind speed and wind quantity measuring device 223 and a temperature measuring device 224 are installed on the cooling tower 1, a thermal device 228 is installed at the outlet of the circulating water pump 231, a storage module in the DCS225 stores the lowest limit value and the maximum upper limit value of wind speed and wind quantity, the lowest limit value and the maximum upper limit value of external temperature, and the lowest limit value and the maximum upper limit value of water temperature at the outlet of the circulating water pump 231, a judgment module compares the data of the storage module with the detected data, and the middle value of the data is taken to determine the rotating angle of the air deflector 211 after the comparison;
when the rotation angle of the air deflector 211 which is stored in the DCS225 is compared, after the comparison is completed, a determined angle is obtained, the DCS225 transmits a signal to the motor 222, the motor 222 rotates, the second bevel gear 221 installed at the rotating shaft of the motor 222 drives the first bevel gear at the extending part below the air deflector 211 to rotate 220, so that the air deflector 211 is driven to rotate, the gear 213 fixedly connected with the upper end and the lower end of the air deflector 211 drives the first rotating ring 214 and the second rotating ring 216 to rotate relatively, the first rotating ring 214 and the second rotating ring 216 are inserted in the middle of the first fixing ring 218 and the second fixing ring 219 through the limiting ring 227, so that the rotation of the first rotating ring 214 and the second rotating ring 216 is more stable, more air deflectors 211 are driven to rotate, and the purpose of adjusting the angle is achieved;
the circulating water pump 231 is always in operation and is connected to the bottom of the water collecting tank 111 through the pipe 230 to pump out water from the water collecting tank 111 for further cooling of the unit.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a device that can long-range automatically regulated cooling tower water temperature winter, includes cylindric cooling tower (1), cooling tower (1) bottom is provided with catch basin (111), catch basin (111) a week is equipped with vent (112), its characterized in that: an automatic adjusting device (2) is arranged outside a ventilation opening on the periphery of the water collecting tank (111);
the automatic adjusting device (2) comprises a plurality of air deflectors (211), the air deflectors (211) are vertically arranged along the outer side of a water collecting tank (111) in a circle, rotating rods (212) are fixedly arranged on any vertical side of the air deflectors (211), gears (213) are arranged at the upper end and the lower end of each rotating rod (212), annular first rotating rings (214) which surround the outer side of the water collecting tank (111) in a circle are arranged on the outer sides of the gears (213) at the upper end and the gears (213) at the lower end, a first rack (215) is arranged on the inner side of each first rotating ring (214), the first racks (215) are mutually meshed with the gears (213), annular second rotating rings (216) which surround the water collecting tank (111) in a circle are arranged on the inner sides of the gears (213) at the upper end and the gears (213) at the lower end, and a second rack (217) is arranged on the outer side of each second rotating ring (216), the second rack (217) is meshed with the gears (213);
the upper part of the first rotating ring (214) and the upper part of the second rotating ring (216) are both provided with an annular first fixed ring (218) which surrounds the water collecting tank (111) for one circle, the lower part of the first rotating ring (214) and the lower part of the second rotating ring (216) are both provided with an annular second fixed ring (219) surrounding the water collecting tank (111) for one circle, the first fixed ring (218) and the second fixed ring (219) have a diameter corresponding to the diameter of the first rotating ring (214), the inner sides of the first fixing ring (218) and the second fixing ring (219) are fixedly connected with a water collecting tank, the first fixed ring (218) and the second fixed ring (219) above the air deflector (211) are in sliding fit with the first rotating ring (214) above the air deflector (211), the first fixing ring (218) and the second fixing ring (219) below the air deflector (211) are in sliding fit with the first rotating ring (214) below the air deflector (211);
the plurality of rotating rods (212) extend upwards and downwards, and the plurality of rotating rods (212) are rotatably connected with the first fixing ring (218) and the second fixing ring (219);
any one of the rotating rods (212) extends downwards to form a second fixing ring (219) below the air deflector (211), a first bevel gear (220) is fixedly arranged at the extending position of the rotating rod (212), a second bevel gear (221) is arranged at the first bevel gear (220) in a meshing and matching mode, and a motor (222) is fixedly connected to the second bevel gear (221);
wind speed and wind volume measuring device (223) and temperature measuring device (224) are installed to cooling tower (1) outside, the signal output part of wind speed and wind volume measuring device (223) and the signal output part electric signal connection of temperature measuring device (224) have DCS (225), the signal output part of DCS (225) and the signal input part electric signal connection of motor (222).
2. The device for automatically and remotely adjusting the temperature of the cooling tower water in winter as claimed in claim 1, wherein: a plurality of bearings (226) which correspond to the rotating rod (212) one by one are fixedly arranged in the first fixing ring (218) and the second fixing ring (219), and each bearing (226) is fixedly connected with the rotating rod (212) on the inner side.
3. The device for automatically and remotely adjusting the temperature of the cooling tower water in winter as claimed in claim 1, wherein: the upper portion and the lower part of first rotating ring (214) and second rotating ring (216) are all fixed and are equipped with annular spacing ring (227), the lower part of first solid fixed ring (218) and the upper portion of the solid fixed ring of second (219) all open have with spacing ring (227) one-to-one twice spacing ring groove, spacing ring (227) and spacing ring groove cooperation of pegging graft, spacing ring (227) and spacing ring groove sliding connection.
4. The device for automatically and remotely adjusting the temperature of the cooling tower water in winter as claimed in claim 1, wherein: the utility model discloses a DCS (distributed control system) comprises a water collecting tank (111), and is characterized in that pipeline (230) is arranged at the bottom of water collecting tank (111), one end of pipeline (230) is communicated with the bottom of water collecting tank (111), and one end is communicated with circulating water pump (231), and the signal input end of circulating water pump (231) is connected with the signal output end electric signal of DCS (225).
5. The device for automatically and remotely adjusting the temperature of the cooling tower water in winter as claimed in claim 4, wherein: the outlet of the circulating water pump (231) is provided with a thermal device (228), and the signal output end of the thermal device (228) is electrically connected with the signal input end of the DCS (225).
6. The device for automatically and remotely adjusting the temperature of the cooling tower water in winter as claimed in claim 1, wherein: the outer center line of the air deflector (211) protrudes outwards, and the cross section of the air deflector (211) is triangular.
7. The device for automatically and remotely adjusting the temperature of the cooling tower water in winter as claimed in claim 1, wherein: the DCS (225) comprises a storage module and a judgment module, wherein the storage module stores the lowest limit value and the maximum upper limit value of the wind speed and the wind volume, the lowest limit value and the maximum upper limit value of the outside temperature, and the lowest limit value and the maximum upper limit value of the water temperature at the outlet of the circulating water pump (231).
8. The device for automatically and remotely adjusting the temperature of the cooling tower water in winter as claimed in claim 5, wherein: and a filter screen (232) is arranged at the communication position of the bottom of the water collecting tank (111) and the pipeline (230).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921875010.4U CN210773534U (en) | 2019-10-31 | 2019-10-31 | Device capable of remotely and automatically adjusting water temperature of cooling tower in winter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921875010.4U CN210773534U (en) | 2019-10-31 | 2019-10-31 | Device capable of remotely and automatically adjusting water temperature of cooling tower in winter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210773534U true CN210773534U (en) | 2020-06-16 |
Family
ID=71044047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921875010.4U Expired - Fee Related CN210773534U (en) | 2019-10-31 | 2019-10-31 | Device capable of remotely and automatically adjusting water temperature of cooling tower in winter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210773534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645810A (en) * | 2019-10-31 | 2020-01-03 | 大唐郓城发电有限公司 | Device capable of remotely and automatically adjusting water temperature of cooling tower in winter |
-
2019
- 2019-10-31 CN CN201921875010.4U patent/CN210773534U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645810A (en) * | 2019-10-31 | 2020-01-03 | 大唐郓城发电有限公司 | Device capable of remotely and automatically adjusting water temperature of cooling tower in winter |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20211031 |