CN111577403A - A turbo-generator with external circulating cooling - Google Patents

Abstract

The invention discloses a turbonator with external circulating cooling, which comprises a turbonator, wherein a water cooling mechanism is arranged on the turbonator, a heat extraction mechanism is arranged at the top end of the water cooling mechanism, a driving mechanism is arranged on the water cooling mechanism positioned on one side of the heat extraction mechanism, and a heat exchange mechanism is arranged in the water cooling mechanism, so that the turbonator with external circulating cooling has the following beneficial effects that: when using, rotate through actuating mechanism drive dwang, the dwang drives the rotation of heat extraction fan leaf, and then can take the inside steam of water-cooling box out, the dwang drives the defeated wind blade rotation in the inlet port simultaneously, and then can be with the defeated wind intracavity portion defeated wind of fixing base inside, and carry it to hot water in through the connecting hole, the puddler breaks up hot water and the air of entering simultaneously and mixes, make the air that gets into can cool down hot water, and then make the whole device's cooling effect and efficiency higher.

Description

A turbo-generator with external circulating cooling

technical field

The invention relates to a turbo-generator, in particular to a turbo-generator with external circulating cooling, and belongs to the technical field of turbo-generators.

Background technique

In order to ensure trouble-free operation and make full use of its output capacity, large turbo-generators must be cooled to dissipate the heat generated by the windings and cores in the stator and rotor.

However, the existing water-cooling equipment for turbo-generators is usually integrated with it, so that there is a certain heat transfer between it and the turbo-generator, and the heat dissipation efficiency of the water-cooling equipment itself is relatively low, which cannot meet the requirements of the turbo-generator. Therefore, it is necessary to propose a turbo-generator with external circulating cooling.

SUMMARY OF THE INVENTION

The purpose of the present invention is to propose a turbo-generator with external circulating cooling in order to solve the shortcomings existing in the prior art.

In order to achieve the above object, the present invention adopts the following technical solutions:

Design a steam turbine generator with external circulation cooling, including a steam turbine generator, a water cooling mechanism is arranged on the steam turbine generator, and a heat exhaust mechanism is arranged at the top of the water cooling mechanism, which is located in the A drive mechanism is arranged on the water cooling mechanism on one side of the heat mechanism, a heat exchange mechanism is arranged inside the water cooling mechanism, and the input end of the heat exchange mechanism extends to the outside of the water cooling mechanism and is fixedly connected with an air inlet mechanism. An air intake mechanism is arranged inside the heat exhaust mechanism.

Preferably, the water-cooling mechanism includes a water-cooling cavity, the water-cooling cavity is opened in the inner cavity wall of the turbo-generator in a coil shape, and one end of the water-cooling cavity is fixedly connected with a water inlet pipe, and the water inlet pipe is far away from One end of the water-cooling cavity extends out of the steam turbine generator and is fixedly connected with a water-cooling box. A drain pipe is fixedly connected to the side wall of the water-cooling box located above the water inlet pipe. The cavity is communicated with each other, and the ends of the water inlet pipe and the drainage pipe away from the water cooling cavity are both communicated with the water cooling box.

Preferably, the heat exhausting mechanism includes a heat exhausting pipe, the heat exhausting pipe is fixedly connected at the center of the upper surface of the water-cooled box, the lower end of the heat exhausting pipe is communicated with the water-cooling box, and the lower end of the heat exhausting pipe is inside the water-cooled box. A first filter screen plate is fixedly connected to the pipe wall, and a rotating rod is rotatably connected between the first filter screen plate and the heat exhaust pipe through a bearing, and the lower end of the rotating rod penetrates the lower surface of the first filter screen plate The upper end of the rotating rod penetrates the outer tube wall of the heat exhaust pipe and extends upward, and the rotating rod is located in the heat exhaust pipe. The rod wall is fixedly connected with two sets of heat exhaust fan blades. Each of the heat exhaust fan blades includes four heat exhaust fan blades arranged in a surrounding shape with respect to the rotating rod, and a plurality of stirring rods are fixedly connected in a surrounding shape on the rod wall of the rotating rod in the water cooling box.

Preferably, the drive mechanism includes a first drive motor, the first drive motor is fixedly connected to the upper surface of the water-cooling box, and the output end of the first drive motor is fixedly connected with a first transmission wheel through a coupling , a second transmission wheel is fixedly sleeved on the top rod wall of the rotating rod corresponding to the position of the first transmission wheel, and a transmission belt is drivingly connected between the first transmission wheel and the second transmission wheel.

Preferably, the heat exchange mechanism includes a first connection pipe, the first connection pipe is fixedly connected to the outer side wall of the water-cooled box near the top end, and one end of the first connection pipe extends into the water-cooled box and is fixed A coiled heat exchange tube is communicated with, a second connection tube is fixedly connected to the lower end of the heat exchange tube, and the end of the second connection tube away from the heat exchange tube penetrates the water cooling box and extends to the outside of the water cooling box.

Preferably, the air inlet mechanism includes an air inlet duct, the air inlet duct is fixedly connected to the outer side wall of the water-cooled box corresponding to the position of the first connecting pipe, and one end of the air inlet duct is connected to the first connecting pipe. A second filter screen plate is fixedly connected to the other end of the air inlet cylinder, and a second drive motor is fixedly connected to the second filter screen plate, and the output end of the second drive motor passes through the coupling shaft. The device is fixedly connected with a blade.

Preferably, the air intake mechanism includes a fixed seat, the fixed seat is fixedly connected to the bottom end rod wall of the rotating rod located in the water-cooled box, and an air supply cavity is opened inside the fixed seat, and the air supply cavity is The upper end cavity wall of the air supply cavity is provided with a number of connecting holes in a surrounding shape, and an air inlet hole is formed through the center of the upper end cavity wall of the air supply cavity. In communication with the outside, a spirally arranged wind conveying blade is fixedly sleeved inside the air inlet hole.

Preferably, a water pump is fixedly connected to one end of the water inlet pipe close to the water cooling box, and the water pump is communicated with the water cooling box.

The present invention proposes a turbo-generator with external circulating cooling, and the beneficial effects are:

1. When in use, the rotating rod is driven to rotate by the driving mechanism, and the rotating rod drives the heat exhaust fan blades to rotate, so that the hot air inside the water-cooling box can be drawn out, and the rotating rod drives the air inlet blades in the air inlet to rotate, thereby making it possible to The air is supplied to the inside of the air supply cavity inside the fixed seat, and it is transported into the hot water through the connecting hole, and the stirring rod disperses and mixes the hot water and the incoming air, so that the incoming air can cool the hot water, and then The cooling effect and efficiency of the overall device are higher.

2. When in use, the second drive motor drives the blades to rotate, and then the air is transported to the heat exchange tube through the air inlet duct and the first connecting pipe in turn, and exchanges with the hot water in the water cooling box through the heat exchange tube. heat to cool it down, which can further improve the cooling effect and efficiency of the water-cooled box.

Description of drawings

1 is a schematic structural diagram of a turbo-generator with external circulating cooling proposed by the present invention;

FIG. 2 is a schematic structural diagram of a top view of a water cooling box in a steam turbine power generation with external circulating cooling proposed by the present invention;

Fig. 3 is a top-view structural schematic diagram of an air intake mechanism in a turbo-generator with external circulating cooling proposed by the present invention;

FIG. 4 is a schematic view of the bottom view of the air intake mechanism in a turbo-generator with external circulating cooling proposed by the present invention;

5 is a schematic structural diagram of a heat exhaust mechanism in a turbo-generator with external circulating cooling proposed by the present invention;

FIG. 6 is a top-view structural schematic diagram of a driving mechanism in a turbo-generator with external circulating cooling proposed by the present invention;

FIG. 7 is an enlarged structural schematic diagram of part A in FIG. 1 of a turbo-generator with external circulation cooling proposed by the present invention.

In the figure: turbine generator 1, water cooling mechanism 2, water cooling chamber 21, water inlet pipe 22, water cooling box 23, drain pipe 24, heat exhaust mechanism 3, heat exhaust pipe 31, first filter screen 32, rotating rod 33, exhaust pipe Hot fan blade 34, stirring rod 35, driving mechanism 4, first driving motor 41, first transmission wheel 42, second transmission wheel 43, transmission belt 44, heat exchange mechanism 5, first connecting pipe 51, heat exchange pipe 52, The second connecting pipe 53, the air inlet mechanism 6, the air inlet duct 61, the second filter screen plate 62, the second driving motor 63, the blades 64, the air inlet mechanism 7, the fixing seat 71, the air delivery cavity 72, the connecting hole 73, Air intake holes 74 , air delivery blades 75 , and water pump 8 .

Detailed ways

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

1-7, a turbo-generator with external circulation cooling includes a turbo-generator 1, a water-cooling mechanism 2 is provided on the turbo-generator 1, and a heat-discharging mechanism 2 is provided on the top of the water-cooling mechanism 2 Mechanism 3, a drive mechanism 4 is provided on the water cooling mechanism 2 on the side of the heat exhaust mechanism 3, a heat exchange mechanism 5 is arranged inside the water cooling mechanism 2, and the input end of the heat exchange mechanism 5 extends to the outside of the water cooling mechanism 2 and is fixed An air intake mechanism 6 is connected, and an air intake mechanism 7 is arranged inside the heat exhaust mechanism 3 .

The water-cooling mechanism 2 includes a water-cooling cavity 21. The water-cooling cavity 21 is coiled and opened in the inner cavity wall of the turbo-generator 1. One end of the water-cooling cavity 21 is fixedly connected with a water inlet pipe 22, and the water inlet pipe 22 is far away from the water-cooling cavity. One end of 21 extends outside the turbine generator 1 and is fixedly connected with a water-cooling box 23 , and a drain pipe 24 is fixedly connected to the side wall of the water-cooling box 23 located above the water inlet pipe 22 , and the drain pipe 24 is away from the end of the water-cooling box 23 . It is communicated with the water cooling chamber 21 , and the ends of the water inlet pipe 22 and the drain pipe 24 away from the water cooling chamber 21 are both communicated with the water cooling box 23 .

The heat exhaust mechanism 3 includes a heat exhaust pipe 31, which is fixedly connected to the center of the upper surface of the water-cooled box 23, the lower end of the heat exhaust pipe 31 communicates with the water-cooled box 23, and the inner pipe wall of the lower end of the heat exhaust pipe 31 A first filter screen plate 32 is fixedly connected to the top, and a rotating rod 33 is rotatably connected between the first filter screen plate 32 and the heat exhaust pipe 31 through a bearing, and the lower end of the rotating rod 33 penetrates the lower surface of the first filter screen plate 32 The upper end of the rotating rod 33 penetrates the outer pipe wall of the heat exhaust pipe 31 and extends upward, and the rotating rod 33 is located in the heat exhaust pipe 31. The rod wall is fixedly connected with two sets of heat exhaust fan blades 34. Each group of heat exhaust fan blades 34 includes four heat exhaust fan blades 34 arranged around the rotating rod 33 , and a plurality of stirring rods 35 are fixedly connected to the rod wall of the rotating rod 33 in the water cooling box 23 in a circle shape.

The drive mechanism 4 includes a first drive motor 41, the first drive motor 41 is fixedly connected to the upper surface of the water cooling box 23, and the output end of the first drive motor 41 is fixedly connected with a first transmission wheel 42 through a coupling, A second transmission wheel 43 is fixedly sleeved on the top rod wall of the rotating rod 33 corresponding to the position of the first transmission wheel 42 , and a transmission belt 44 is drivingly connected between the first transmission wheel 42 and the second transmission wheel 43 .

The heat exchange mechanism 5 includes a first connecting pipe 51, the first connecting pipe 51 is fixedly connected to the outer side wall of the water-cooling box 23 near the top, and one end of the first connecting pipe 51 extends into the water-cooling box 23 and is fixedly connected There is a coiled heat exchange tube 52, the lower end of the heat exchange tube 52 is fixedly connected with a second connection tube 53, and the end of the second connection tube 53 away from the heat exchange tube 52 penetrates through the water cooling box 23 and extends to the water cooling box 23 outside.

The air inlet mechanism 6 includes an air inlet duct 61 . The air inlet duct 61 is fixedly connected to the outer side wall of the water cooling box 23 corresponding to the position of the first connecting pipe 51 , and one end of the air inlet duct 61 is connected to the first connecting pipe 51 . A second filter screen plate 62 is fixedly connected to the other end of the air inlet cylinder 61, and a second drive motor 63 is fixedly connected to the second filter screen plate 62, and the output end of the second drive motor 63 passes through the coupling. A vane 64 is fixedly attached.

The air intake mechanism 7 includes a fixed seat 71, the fixed seat 71 is fixedly connected to the bottom end rod wall of the rotating rod 33 in the water-cooled box 23, and an air supply cavity 72 is opened inside the fixed seat 71, and the air supply cavity 72 A plurality of connecting holes 73 are formed on the upper end cavity wall in a circular shape, and an air inlet hole 74 is formed through the center of the upper end cavity wall of the air supply cavity 72. And communicated with the outside, the air inlet hole 74 is fixedly sleeved with a spirally arranged wind conveying blade 75 .

A water pump 8 is fixedly connected to one end of the water inlet pipe 22 close to the water cooling box 23 , and the water pump 8 is communicated with the water cooling box 23 .

Working principle: When in use, firstly, the cold water in the water-cooling box 23 is transported to the water-cooling cavity 21 through the water inlet pipe 22 through the water pump 8, and the cold water flows through the water-cooling cavity 21 for a circle and then is discharged back into the water-cooling box 23 through the drain pipe 24, After prolonged use, the cold water inside the water-cooling box 23 will gradually heat up. At this time, the first drive motor 41 can be activated, and the first drive motor 41 drives the first drive wheel 42 to rotate, and the first drive wheel 42 drives the second drive wheel 42 through the drive belt 44. The transmission wheel 43 rotates, and the second transmission wheel 43 drives the heat exhaust fan blade 34 to rotate. When the heat exhaust fan blade 34 rotates, the hot air in the water-cooling box 23 will be drawn out and discharged through the heat exhaust pipe 31. At the same time, the rod is rotated. 33. The wind conveying blade 75 of the belt building rotates. When the air conveying blade 75 rotates, the air will be sucked into the air inlet hole 74 and discharged into the air conveying cavity 72 on the fixed seat 71 through the air inlet hole 74, and then the air conveying cavity 72 The air inside the connecting hole 73 enters into the water cooling box 23, and at the same time, the rotating rod 33 will drive the stirring rod 35 to disperse the incoming air and fully mix it with the hot water, and bring the hot air out of the hot water after the air rises to the surface. , the cooling speed of the hot water can be increased, and the second drive motor 63 can be started at the same time, and the second drive motor 63 can drive the blades 65 to rotate, and then the air is sent to the heat exchange through the air inlet duct 61 and the first connecting pipe 51 in turn. In the tube 52, the heat exchange tube 52 and the hot water in the water-cooling box 23 are exchanged to cool it down, which can further improve the cooling effect and efficiency of the hot water in the water-cooling box 23. The water can cool down the turbo-generator 1 for a long time and with high efficiency, which satisfies the cooling demand of the turbo-generator 1 .

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (8)

1. A turbo-generator with external circulation cooling, comprising a turbo-generator (1), characterized in that a water-cooling mechanism (2) is provided on the described turbo-generator (1), and the The top end of the water cooling mechanism (2) is provided with a heat exhaust mechanism (3), and a drive mechanism (4) is provided on the water cooling mechanism (2) on one side of the heat exhaust mechanism (3), and the water cooling mechanism (2) is provided with a driving mechanism (4). ) is provided with a heat exchange mechanism (5), the input end of the heat exchange mechanism (5) extends to the outside of the water cooling mechanism (2) and is fixedly connected with an air intake mechanism (6), the heat exhaust mechanism ( 3) An air intake mechanism (7) is arranged inside. 2 . The turbo-generator with external circulating cooling according to claim 1 , wherein the water-cooling mechanism ( 2 ) comprises a water-cooling cavity ( 21 ), and the water-cooling cavity ( 21 ) is coiled. 3 . A water inlet pipe (22) is fixedly connected to one end of the water cooling chamber (21), and the water inlet pipe (22) is far away from the water cooling chamber (21). One end extends to the outside of the turbine generator (1) and is fixedly connected with a water cooling box (23), and a drain pipe (24) is fixedly connected to the side wall of the water cooling box (23) located above the water inlet pipe (22). One end of the drain pipe (24) away from the water cooling chamber (23) is communicated with the water cooling chamber (21), and one end of the water inlet pipe (22) and the drain pipe (24) away from the water cooling chamber (21) is connected to the water cooling chamber (21). (23) Connected. 3. A steam turbine generator with external circulation cooling according to claim 1, characterized in that the heat exhaust mechanism (3) comprises a heat exhaust pipe (31), and the heat exhaust pipe (31) It is fixedly connected at the center of the upper surface of the water cooling box (23), the lower end nozzle of the heat exhaust pipe (31) is communicated with the water cooling box (23), and the inner pipe wall of the lower end of the heat exhaust pipe (31) is fixedly connected with a A first filter screen plate (32), a rotating rod (33) is rotatably connected between the first filter screen plate (32) and the heat exhaust pipe (31) through a bearing, and the lower end of the rotating rod (33) penetrates through the lower surface of the first filter screen plate (32) and extends downward into the water cooling box (23); the upper end of the rotating rod (33) penetrates the outer pipe wall of the heat exhaust pipe (31) and extends upward. Two sets of heat exhaust fan blades (34) are fixedly connected to the rod wall of the rod (33) located in the heat exhaust pipe (31), and each set of the heat exhaust fan blades (34) includes four sets of four heat exhaust fan blades (34) arranged in the direction of the rotating rod (33). The heat exhaust fan blades (34) are arranged in a surrounding shape, and a plurality of stirring rods (35) are fixedly connected in a surrounding shape on the rod wall of the rotating rod (33) located in the water cooling box (23). 4. A turbo-generator with external circulation cooling according to claim 1, characterized in that the drive mechanism (4) comprises a first drive motor (41), the first drive motor ( 41) It is fixedly connected to the upper surface of the water cooling box (23), and the output end of the first drive motor (41) is fixedly connected with a first transmission wheel (42) through a coupling, corresponding to the first transmission wheel (41). A second transmission wheel (43) is fixedly sleeved on the top rod wall of the rotating rod (33) at position 42), and a transmission belt is drivingly connected between the first transmission wheel (42) and the second transmission wheel (43). (44). 5. A turbo-generator with external circulating cooling according to claim 1, characterized in that the heat exchange mechanism (5) comprises a first connecting pipe (51), the first connecting pipe (51) is fixedly connected to the outer side wall of the water-cooling box (23) near the top end, one end of the first connecting pipe (51) extends into the water-cooling box (23) and is fixedly connected with a coil-shaped changer. The heat pipe (52), the lower end of the heat exchange pipe (52) is fixedly connected with a second connection pipe (53), and the end of the second connection pipe (53) away from the heat exchange pipe (52) penetrates through the water cooling box ( 23) and extend to the outside of the water cooling box (23). 6. A turbo-generator with external circulating cooling according to claim 1, characterized in that the air inlet mechanism (6) comprises an air inlet duct (61), and the air inlet duct (61) ) is fixedly connected to the outer side wall of the water-cooling box (23) corresponding to the position of the first connecting pipe (51). A second filter screen plate (62) is fixedly connected to the other end of the cylinder (61), and a second drive motor (63) is fixedly connected to the second filter screen plate (62). The second drive motor A blade (64) is fixedly connected to the output end of (63) through a coupling. 7. A turbo-generator with external circulating cooling according to claim 1, wherein the air intake mechanism (7) comprises a fixing seat (71), and the fixing seat (71) is fixed Connected to the bottom end rod wall of the rotating rod (33) located in the water cooling box (23), an air supply cavity (72) is opened inside the fixed seat (71), and the upper end cavity of the air supply cavity (72) A plurality of connecting holes (73) are formed through the wall in a surrounding shape, and an air inlet (74) is formed through the center of the upper end cavity wall of the air supply cavity (72). The upper part penetrates the fixed seat (71) and the rotating rod (33) in sequence and communicates with the outside; 8. A turbo-generator with external circulation cooling according to claim 2, wherein a water pump (8) is fixedly connected to one end of the water inlet pipe (22) close to the water cooling box (23), And the water pump (8) is communicated with the water cooling box (23).

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