CN215337808U

CN215337808U - Air cooling condenser capable of improving cooling efficiency

Info

Publication number: CN215337808U
Application number: CN202121196192.XU
Authority: CN
Inventors: 王京军; 迟加磊; 崔俊丽; 孙文龙; 谭会会; 刘伟; 傅晓龙
Original assignee: Panshi Heavy Industry Qingdao Co ltd
Current assignee: Panshi Heavy Industry Qingdao Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-28
Anticipated expiration: 2031-05-31

Abstract

The utility model belongs to the technical field of air-cooled condensers, and particularly relates to an air-cooled condenser capable of improving cooling efficiency. The cooling device is reasonable in structural design, can comprehensively and uniformly cool a condenser tube bundle by blowing cold air through the matching of the motor, the fan, the worm, the semiconductor refrigerating sheet, the worm wheel, the movable rod, the gear, the rack and the air deflector, improves the utilization rate of the air volume, ensures higher cooling efficiency, can reduce the temperature of air through the matching of the condensate tank, the water pump, the connecting pipe, the main water pipe, the water dividing pipe and the atomizing head, improves the heat exchange efficiency, ensures better cooling efficiency, reduces the load of the air cooler, and ensures that an electric network is safer.

Description

Air cooling condenser capable of improving cooling efficiency

Technical Field

The utility model relates to the technical field of air-cooled condensers, in particular to an air-cooled condenser capable of improving cooling efficiency.

Background

The air cooling island is a core component of a direct air cooling turbo generator unit and is widely applied to domestic 300 MW-grade, 600 MW-grade and 1000 MW-grade turbo generator units. The air-cooled condenser uses air as a cooling medium to replace circulating water and a cooling tower for cooling, so that the loss of the circulating water caused by vaporization can be reduced, a large amount of water resources are saved, and the air-cooled condenser is particularly suitable for being used for cooling in places with insufficient water resources in northwest regions and the like.

However, the air volume utilization rate of the air cooling fan in the existing air cooling condenser is low, so that the cooling efficiency of the air cooling condenser is low, the air temperature in the working environment in summer is high, the requirement that the air cooling fan needs to be cooled only by high-load operation can be met, and the safety of a power grid is easily influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the cooling efficiency of an air-cooled condenser is low due to low air volume utilization rate of an air-cooled fan in the existing air-cooled condenser, the air temperature in the working environment in summer is high, the air-cooled fan can meet the cooling requirement only by high-load operation, and the safety of a power grid is easily influenced.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an air-cooled condenser capable of improving cooling efficiency comprises a base, a cold air box is fixedly mounted at the top of the base, a motor is fixedly mounted at the bottom of the cold air box, a worm is fixedly mounted on an output shaft of the motor, fan blades are fixedly sleeved on the outer side of the worm, two worm wheels are rotatably mounted at the rear side of the cold air box, the worm is meshed with the two worm wheels, movable rods are rotatably mounted at the front sides of the two worm wheels, racks are rotatably mounted at the ends, away from each other, of the two movable rods, a plurality of rotating shafts are rotatably mounted on the inner wall of the rear side of the cold air box, an air deflector and a gear are fixedly sleeved on the outer side of each rotating shaft, a plurality of gears are respectively meshed with the corresponding racks, four semiconductor refrigerating sheets are fixedly mounted on the inner wall of the front side and the rear side of the cold air box, a condensation water tank is fixedly mounted at the top of the base, and a water pump is fixedly mounted at the top of the condensation water tank, the water pump is characterized in that the water inlet end of the water pump is connected with the top of the condensed water tank, the water outlet end of the water pump is fixedly communicated with a connecting pipe, one end, away from the water pump, of the connecting pipe is fixedly communicated with a main water pipe, one side of the main water pipe is fixedly communicated with three water distribution pipes, and the tops of the water distribution pipes are fixedly communicated with a plurality of spray nozzles.

Preferably, the top fixed mounting of cold wind case has two backup pads, and three fixed orifices have all been seted up to one side of two backup pads, and three distributive pipe is fixed respectively to cup joint in the fixed orifices that corresponds.

Preferably, a fixing plate is fixedly installed at one side of the main water pipe, and the fixing plate is fixedly installed at one side of the corresponding supporting plate.

Preferably, the fixed guard net that is provided with in top of cold-blast box, two air inlets have been seted up to the bottom of cold-blast box, and equal fixed mounting has the dust screen in two air inlets.

Preferably, equal fixed mounting has the guide bar on the both sides inner wall of cold wind case, and the connecting rod has all been cup jointed in the outside of two guide bars sliding, and two connecting rods are fixed mounting respectively in the bottom of the rack that corresponds.

Preferably, the outside of motor is fixed to be cup jointed with the safety cover, safety cover fixed mounting is in the bottom of cold-blast box.

According to the air-cooled condenser capable of improving the cooling efficiency, the cold air blowing cooling can be comprehensively and uniformly carried out on the condenser tube bundle through the matching of the motor, the fan, the worm, the semiconductor refrigeration sheet, the worm wheel, the movable rod, the gear, the rack and the air deflector, the air volume utilization rate is improved, and the cooling efficiency is higher;

according to the air-cooled condenser capable of improving the cooling efficiency, the stability of air can be reduced through the matching of the condensed water tank, the water pump, the connecting pipe, the main water pipe, the water distribution pipe and the spray head, the heat exchange efficiency is improved, the cooling efficiency is better, the load of an air cooler is reduced, and a power grid is safer;

the cooling device is reasonable in structural design, can comprehensively and uniformly cool a condenser tube bundle by blowing cold air through the matching of the motor, the fan, the worm, the semiconductor refrigerating sheet, the worm wheel, the movable rod, the gear, the rack and the air deflector, improves the utilization rate of the air volume, ensures higher cooling efficiency, can reduce the temperature of air through the matching of the condensate tank, the water pump, the connecting pipe, the main water pipe, the water dividing pipe and the atomizing head, improves the heat exchange efficiency, ensures better cooling efficiency, reduces the load of the air cooler, and ensures that an electric network is safer.

Drawings

Fig. 1 is a schematic structural diagram of an air-cooled condenser capable of improving cooling efficiency according to the present invention;

FIG. 2 is a cross-sectional view of an air-cooled condenser capable of improving cooling efficiency according to the present invention;

FIG. 3 is a schematic view of a portion A of an air-cooled condenser capable of improving cooling efficiency according to the present invention;

fig. 4 is a schematic structural diagram of a portion B of an air-cooled condenser capable of improving cooling efficiency according to the present invention.

In the figure: 1. a base; 2. a cold air box; 3. a condensation water tank; 4. a protection net; 5. a water pump; 6. a support plate; 7. a connecting pipe; 8. a water diversion pipe; 9. a spray nozzle; 10. a dust screen; 11. a motor; 12. a semiconductor refrigeration sheet; 13. a guide bar; 14. a connecting rod; 15. a worm; 16. a worm gear; 17. a fan blade; 18. a movable rod; 19. an air deflector; 20. a rotating shaft; 21. a gear; 22. a rack; 23. a main water pipe; 24. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an air-cooled condenser capable of improving cooling efficiency includes a base 1, a cold air box 2 is fixedly installed on the top of the base 1, a motor 11 is fixedly installed on the bottom of the cold air box 2, a worm 15 is fixedly installed on an output shaft of the motor 11, fan blades 17 are fixedly sleeved on the outer side of the worm 15, two worm wheels 16 are rotatably installed on the rear side of the cold air box 2, the worm 15 is engaged with the two worm wheels 16, movable rods 18 are rotatably installed on the front sides of the two worm wheels 16, racks 22 are rotatably installed on the ends of the two movable rods 18 away from each other, a plurality of rotating shafts 20 are rotatably installed on the inner wall of the rear side of the cold air box 2, wind deflectors 19 and gears 21 are fixedly sleeved on the outer sides of the rotating shafts 20, the plurality of gears 21 are respectively engaged with the corresponding racks 22, four semiconductor refrigeration sheets 12 are fixedly installed on the inner walls of the front and rear sides of the cold air box 2, the motor 11 is started, the conveying shaft of the motor 11 drives the worm 15 and the fan blades 17 to rotate, the fan blades 17 rotate to blow air refrigerated by the semiconductor refrigerating sheet 12 to the upper part of the cold air box 2, so that the temperature of the air is reduced, the heat exchange efficiency is improved, the cooling effect is better, meanwhile, the worm 15 drives the reverse rotation of the two worm wheels 16, the two worm wheels 16 drive the left and right movement of the two movable rods 18, the two movable rods 18 drive the left and right movement of the two racks 22, the racks 22 drive the positive and negative rotation of the gears 21, the gears 21 drive the left and right swinging of the air deflectors 19, the wind power can be guided through the air deflectors 19, the cold air blowing and cooling can be comprehensively and uniformly carried out on the condenser tube bundle, the air volume utilization rate is improved, the cooling efficiency is higher, the condensation water tank 3 is fixedly installed at the top of the base 1, the water pump 5 is fixedly installed at the top of the condensation water tank 3, the water inlet end of the water pump 5 is connected with the top of the condensed water tank 3, the water outlet end of the water pump 5 is fixedly communicated with a connecting pipe 7, one end of the connecting pipe 7, which is far away from the water pump 5, is fixedly communicated with a main water pipe 23, one side of the main water pipe 23 is fixedly communicated with three water distribution pipes 8, the top of each water distribution pipe 8 is fixedly communicated with a plurality of atomizing nozzles 9, condensed water in the condensed water recovery pipeline can be conveniently collected through the condensed water tank 3, the condensed water can be pumped into the connecting pipe 7, the main water pipe 23 and the three water distribution pipes 8 through the water pump 5, finally water mist is sprayed out through the atomizing nozzles 9, and then the condensed water can be blown onto the condenser pipe bundle completely without dead corners under the action of wind force, the water mist absorbs heat on the condenser pipe bundle and is rapidly evaporated, steam in the condenser pipe bundle can be rapidly liquefied into condensed water flowing into the condensed water recovery pipeline, so that the cooling efficiency is further improved, the load of the air cooler is reduced, and the safety of the power grid is guaranteed.

According to the utility model, two supporting plates 6 are fixedly installed at the top of the cold air box 2, three fixing holes are formed in one side of each of the two supporting plates 6, and the three water distribution pipes 8 are respectively fixedly sleeved in the corresponding fixing holes, so that the three water distribution pipes 8 can be conveniently and fixedly supported.

In the utility model, one side of the main water pipe 23 is fixedly provided with the fixing plate 24, and the fixing plate 24 is fixedly arranged at one side of the corresponding supporting plate 6, thereby being convenient for fixedly supporting the main water pipe 23.

According to the utility model, the protection net 4 is fixedly arranged at the top of the cold air box 2, the two air inlets are formed in the bottom of the cold air box 2, and the dust screens 10 are fixedly arranged in the two air inlets, so that the protection of equipment in the cold air box 2 is facilitated, and meanwhile, the dust protection of the cold air box 2 is facilitated.

In the utility model, the guide rods 13 are fixedly arranged on the inner walls of the two sides of the cold air box 2, the connecting rods 14 are sleeved on the outer sides of the two guide rods 13 in a sliding manner, and the two connecting rods 14 are respectively and fixedly arranged at the bottoms of the corresponding racks 22, so that the racks 22 are conveniently guided, and the movement of the racks 22 is more stable.

In the utility model, the outer side of the motor 11 is fixedly sleeved with the protective cover, and the protective cover is fixedly arranged at the bottom of the cold air box 2, so that the motor 11 is conveniently protected and supported.

In the utility model, when in use, the device is placed below a steam distribution pipeline, a condenser tube bundle and a condensed water recovery pipeline to serve as an air cooling mechanism, the motor 11 is started, a conveying shaft of the motor 11 drives the worm 15 and the fan blades 17 to rotate, the fan blades 17 rotate to blow air cooled by the semiconductor refrigerating fins 12 to the upper part of the cold air box 2, so that the temperature of the air is reduced, the heat exchange efficiency is improved, the cooling effect is better, meanwhile, the worm 15 drives the two worm wheels 16 to rotate reversely, the two worm wheels 16 drive the two movable rods 18 to move left and right, the two movable rods 18 drive the two racks 22 to move left and right, the racks 22 drive the gears 21 to rotate positively and negatively, the gears 21 drive the air deflectors 19 to swing left and right, the air can be guided by the air deflectors 19, and the air can be blown to cool the condenser tube bundle comprehensively and uniformly, thereby the rate of utilization of the amount of wind has been improved, make cooling efficiency higher, simultaneously through condensate tank 3, the convenient condensate water to in the condensate water recovery pipeline is collected, through water pump 5, can take out connecting pipe 7 to the condensate water, in main water pipe 23 and the three distributive pipe 8, finally through a plurality of fog nozzle 9 blowout water smoke, then under the effect of wind power, can be comprehensive on blowing to the condenser tube bank at no dead angle, the heat rapid evaporation on the condenser tube bank is absorbed to water smoke, can be fast with the steam liquefaction in the condenser tube bank be condensate water flow to in the condensate water recovery pipeline, thereby further improved refrigerated efficiency, the load of air-cooler has been alleviateed, the safety of electric wire netting has been guaranteed.

Claims

1. The air-cooled condenser capable of improving the cooling efficiency comprises a base (1) and is characterized in that a cold air box (2) is fixedly mounted at the top of the base (1), a motor (11) is fixedly mounted at the bottom of the cold air box (2), a worm (15) is fixedly mounted on an output shaft of the motor (11), fan blades (17) are fixedly sleeved on the outer side of the worm (15), two worm wheels (16) are rotatably mounted at the rear side of the cold air box (2), the worm (15) is meshed with the two worm wheels (16), movable rods (18) are rotatably mounted at the front sides of the two worm wheels (16), racks (22) are rotatably mounted at the ends, far away from each other, of the two movable rods (18), a plurality of rotating shafts (20) are rotatably mounted on the inner wall of the rear side of the cold air box (2), and an air deflector (19) and a gear (21) are fixedly sleeved on the outer sides of the rotating shafts (20), a plurality of gears (21) mesh with rack (22) that correspond respectively mutually, fixed mounting has four semiconductor refrigeration pieces (12) on the side inner wall around cold wind case (2), the top fixed mounting of base (1) has condensate tank (3), the top fixed mounting of condensate tank (3) has water pump (5), the end of intaking of water pump (5) links through with the top of condensate tank (3), the fixed intercommunication of the play water end of water pump (5) has connecting pipe (7), the fixed intercommunication of the one end that water pump (5) were kept away from in connecting pipe (7) has main water pipe (23), the fixed intercommunication in one side of main water pipe (23) has three distributive pipe (8), the fixed intercommunication in top of distributive pipe (8) has a plurality of fog nozzles (9).

2. The air-cooled condenser capable of improving the cooling efficiency according to claim 1, wherein two supporting plates (6) are fixedly mounted at the top of the air-cooled tank (2), three fixing holes are formed in one side of each of the two supporting plates (6), and the three water distribution pipes (8) are respectively fixedly sleeved in the corresponding fixing holes.

3. An air-cooled condenser capable of improving cooling efficiency according to claim 2, wherein a fixing plate (24) is fixedly installed at one side of the main water pipe (23), and the fixing plate (24) is fixedly installed at one side of the corresponding support plate (6).

4. The air-cooled condenser capable of improving the cooling efficiency according to claim 1, characterized in that a protection net (4) is fixedly arranged at the top of the cold air box (2), two air inlets are formed at the bottom of the cold air box (2), and a dust screen (10) is fixedly arranged in each of the two air inlets.

5. The air-cooling condenser capable of improving the cooling efficiency according to claim 1, wherein guide rods (13) are fixedly mounted on inner walls of two sides of the air-cooling tank (2), connecting rods (14) are slidably sleeved on outer sides of the two guide rods (13), and the two connecting rods (14) are respectively and fixedly mounted at bottoms of corresponding racks (22).

6. The air-cooled condenser capable of improving the cooling efficiency as claimed in claim 1, wherein a protective cover is fixedly sleeved on the outer side of the motor (11), and the protective cover is fixedly installed at the bottom of the cooling air box (2).