CN112392637A - Steel structure modular type through-flow slurry-conversion water turbine generator set and using method thereof - Google Patents

Abstract

The invention aims to provide a steel structure modular through-flow rotary paddle water turbine generator set and a using method thereof. The technical scheme of the invention is as follows: the hydraulic power generation system comprises a factory building module, a hydraulic turbine module, a generator module and a coupling module, wherein the factory building module consists of a factory building body, a top layer, a crown block, a front gate, a rear gate, a fence and two inclined support frames; the whole steel structure factory building that utilizes has replaced civil engineering structure factory building, has standardized the distribution of the shaft coupling between the hydraulic turbine, generator and them and has placed for whole hydroelectric set modularization carries on the installation rapidly, has reduced the engineering volume, has reduced the cost, can preassemble in advance in the manufacturing plant, has shortened construction cycle, and equipment output efficiency is high, and the generating effect is big.

Description

Steel structure modular type through-flow slurry-conversion water turbine generator set and using method thereof

Technical Field

The invention relates to the technical field of hydraulic generators, in particular to a steel structure modular through-flow rotating paddle hydraulic generator set and a using method thereof.

Background

Hydropower is renewable energy, along with the continuous development of hydropower resources, the utilization of low-water-head and low-flow hydraulic resources is more and more widely valued, and for some large through-flow hydropower stations, in order to fully utilize energy, ecological small machines are required to be equipped to improve the utilization of the hydraulic resources, and the surplus energy of rivers or ditches which cannot build dams and cooling water pipelines of thermal power stations are utilized, so that the hydraulic energy is utilized to a great extent, the installation and maintenance are convenient, the performance is good, the investment is effective, and the hydraulic resources are utilized; when the diameter of a runner of the existing small-sized turbine set is smaller than 2 meters, the synchronous regulation unit has low efficiency due to the fact that the structure limits the difference of guide vanes and runner blades of a water turbine, and for some power stations with water heads within 5 meters, a water turbine generator with more poles needs to be adopted, so that the arrangement of the turbine set is very inconvenient or even impossible, the price is too high, and the utilization of water energy is greatly influenced; for some small-sized through-flow hydropower stations with low water heads, the internal space of a water turbine is small, a generator with a large number of throw is adopted, the arrangement of a unit is very inconvenient, the cooling and ventilation are difficult, the installation and maintenance are difficult or even impossible, the price is too high, and the water energy and the utilization can be greatly influenced; because the assembly, adjustment and installation are complex on site, the installation period is long, and the operation and maintenance workload is large, the existing bulb tubular hydraulic generator structure can not be assembled and debugged in a factory, and the engineering construction period and the operation management are directly influenced.

Disclosure of Invention

The invention aims to provide a method for replacing a civil structure factory building with a steel structure factory building so as to standardize the distribution and placement of a water turbine, a generator and couplings among the water turbine and the generator, the whole hydroelectric generating set is carried in a modularized way, each set can be rapidly installed in place, the construction amount of civil engineering is reduced, the overall construction cost of the project is obviously reduced, the overall construction refers to the container positioning type modularized design, the advanced preassembly can be realized in a manufacturing plant, the installation precision of the sets is ensured, the sets are assembled in a power station, the construction period is greatly shortened, when the sets are maintained, can lift out the whole block for maintenance, has more convenient and faster operation, simpler integral structure and low cost, can realize the parallel use of a plurality of units, thereby improving the output efficiency of the equipment and increasing the generating effect of the through-flow rotary paddle water-turbine generator set.

The technical scheme of the invention is as follows: the utility model provides a steel construction modular through-flow commentaries on classics thick liquid hydroelectric set which characterized in that: the water turbine module, the generator module and the coupling module are all positioned inside the plant building module, the water turbine module, the generator module and the coupling module are fixedly connected with the plant building module, the water turbine module is positioned at the bottom of the plant building module and fixedly connected with the plant building module, the generator module is positioned at the upper part of the water turbine module, the generator module is fixedly connected with the plant building module, the coupling module is positioned between the water turbine module and the generator module, the coupling module is fixedly connected with the plant building module, the plant building module is composed of a plant building body, a top layer, a crown block, a front gate, a rear gate, a fence and two inclined support frames, the top layer is positioned at the top of the plant building body, the top layer is fixed connection with the factory building body, the overhead traveling crane is located the inboard position department that is close to the top layer of factory building body, overhead traveling crane and factory building body are fixed connection, preceding gate is located the one side of the factory building body that is close to the hydraulic turbine module, preceding gate is fixed connection with the factory building body, the back gate is located the opposite side of the factory building body of keeping away from the hydraulic turbine module, back gate is fixed connection with the factory building body, fence is located one side of preceding gate, and fence is located the outside of the factory building body that is close to hydraulic turbine module one side, fence and factory building body are fixed connection, two bearing diagonal frame are located the both sides of the factory building body that are close to back gate position department respectively, two bearing diagonal frame all are fixed connection with the factory building body, the hydraulic turbine module is the hydraulic turbine body that has the paddle, the hydraulic turbine module still includes seat ring support, the top, The hydraulic turbine comprises a speed increaser, an oil receiver, a blade servomotor, an operating rod, a bevel gear, a water distributor, a water turbine guide vane, a runner chamber, a runner, a draft tube and a diffusion tube, wherein a seat ring support is a main external component of a water turbine module, the speed increaser is positioned in the middle of the water turbine module, the speed increaser is fixedly connected with the water turbine module, the oil receiver is positioned in the water turbine module and close to the position of the blade servomotor, the oil receiver is fixedly connected with the water turbine module, the blade servomotor is positioned in the water turbine module and positioned on one side of the oil receiver, the blade servomotor is fixedly connected with the oil receiver, the operating rod is positioned in the water turbine module and positioned on one side of the blade servomotor, the operating rod is fixedly connected with the blade servomotor, and the bevel gear is positioned in the water turbine module, the bevel gear is positioned on the outer side of an operating rod close to the blade servomotor, the bevel gear is fixedly connected with the blade servomotor, the water distributor is positioned on the outer side of the water turbine module, the water distributor is fixedly connected with the water turbine module, the water turbine guide vane is positioned on the inner side of the water distributor, the water turbine guide vane is fixedly connected with the water turbine module, the runner chamber is positioned at the connecting position of the water turbine module and the diffusion pipe, one end of the runner chamber is fixedly connected with the water turbine module, the other end of the runner chamber is fixedly connected with the diffusion pipe, the runner is positioned in the runner chamber, the runner is fixedly connected with the operating rod, the draft tube is positioned between the runner chamber and the diffusion pipe, one end of the draft tube is fixedly connected with the runner chamber, the other end of the draft tube is connected with the diffusion pipe, and the diffusion pipe is further provided with a drain pipe, the drain pipe is located the lower part of diffuser pipe, the drain pipe is fixed connection with the diffuser pipe, the generator module comprises generator and brake equipment, generator and brake equipment all are located the inside of factory building body, and brake equipment is located the lower part position department of generator, brake equipment is fixed connection with the generator, the generator is fixed connection with the factory building body.

Further, the factory building body is a steel structure factory building, and the top layer is a fixed structure roof or a movable structure roof.

Furthermore, the overhead traveling crane is an internal structure hoisting device or an external structure gantry crane mechanism.

Further, the fence is of a conical frame structure.

Further, the oil receiver is a high-pressure oil receiver, and the pressure grade of the oil receiver is less than or equal to 16 MPa.

Further, the bevel gear is of an arc surrounding structure.

Further, the hydraulic turbine guide vane is of a single-pivot structure.

Further, the generator comprises a generator main shaft, a rotor, a stator, an upper guide bearing, a lower guide bearing, a brake device, an alternating current exciter stator, an alternating current exciter rotor and a rotary rectifier, the generator is arranged on the main shaft, the upper guide bearing is arranged above the rotor and connected with a stator flange, and the lower guide bearing is arranged below the rotor.

Further, the coupling module is a universal coupling structure, one end of the coupling module is connected with the generator, and the other end of the coupling module is connected with the speed increaser.

The using method comprises the following steps:

firstly, the structure aspect: the modular water turbine module, the generator module and the coupling module are quickly installed in place through the guiding and positioning structures, so that the unit modules can be preassembled in advance in a manufacturing plant, the installation accuracy of the unit is guaranteed, the unit modules are assembled in a power station, the civil engineering amount is reduced, the overall construction cost of engineering is obviously reduced, the construction period is shortened, when the unit is maintained, the whole modular structure can be lifted out for maintenance and inspection, and the operation and maintenance are convenient;

secondly, in the aspect of power: the hydraulic turbine module adopts a hydraulic turbine body with blades, an oil receiver, a blade servomotor and an operating rod in the hydraulic turbine module form a blade adjusting structure, so that guide vanes of the hydraulic turbine and blades of a rotating wheel are synchronously connected in a tandem manner, the operating range of the lowest efficiency of a unit is expanded, the efficiency of the unit is improved, and the oil receiver of the blade adjusting structure adopts a high-pressure oil receiver structure, so that the pressure grade is improved to 16MPa, the cylinder diameter of the blade servomotor is reduced, the blades of the rotating wheel are pushed to operate through the operating rod, and as no oil exists in the rotating wheel of the designed structure, the oil leakage phenomenon of the rotating wheel can be effectively avoided, oil pollution is prevented from flowing into a river channel, and the environmental protection performance is improved; in addition, the speed increaser of the water turbine module has the functions of increasing speed and changing direction, so that the rotating speed of the generator can be increased, and the cost of the generator can be reduced, the bevel gears which are in an arc-shaped structure are adopted in the water turbine module, the bevel gears have the functions of increasing speed and changing the direction of transmission force, the main shaft of the generator and the main shaft of the water turbine module are arranged at 90 degrees, the generator is arranged outside the water turbine module, the problems of difficult arrangement, difficult installation and maintenance and poor ventilation and heat dissipation caused by the arrangement of the generator in the water turbine module are solved, meanwhile, the cost of the motor is saved, the gear of the speed increaser is additionally provided with a fine adjustment structure; the guide vane of the water turbine adopts a single-pivot structure, so that the flexibility of the guide vane of the water turbine is improved, and the requirement on manufacturing precision is reduced;

thirdly, linkage: the coupler module adopts a universal coupler structure and is used for connecting a shaft of a generator and a shaft of a speed increaser so as to connect the water turbine module and the generator module, and because the universal coupler has effective large angular compensation capacity and can be stretched and contracted in length, the concentricity and the elevation position error of the shaft of the generator and the shaft of the speed increaser are reduced, and the installation is convenient and trouble-saving;

fourthly, in the aspect of electric power: the generator module is composed of a generator and a brake device, the generator comprises a generator main shaft, a rotor, a stator, an upper guide bearing, a lower guide bearing, the brake device, an alternating current exciter stator, an alternating current exciter rotor and a rotary rectifier, the generator is arranged on the main shaft, the upper guide bearing is arranged above the rotor and connected with a stator flange, the lower guide bearing is arranged below the rotor, the brake device is arranged on the outer circular surface of the main shaft extending end of the generator, the surface is a brake friction surface and can control the rotating speed of the main shaft, in addition, the generator adopts an open type ventilation structure, natural heat dissipation can be realized, the cost is low, the effect is good, and safety and reliability are realized;

fifthly, protection: the fence adopts the structural design of a four-side conical frame, the structure is a conical frame, steel wire ropes are used for cross connection, and sundries can be accumulated at the bottom along the periphery due to the increased guide, so that compared with a conventional structure, the influence of sundry blockage on water flow is reduced, the structure is simple, and the cost is low.

The invention has the beneficial effects that: the whole facility utilizes a steel structure factory building to replace a civil engineering structure factory building, so that the distribution and placement of the water turbine, the generator and the couplers between the water turbine and the generator are standardized, the whole water turbine generator set is carried in a modularized mode, each unit can be rapidly installed in place, the civil engineering quantity is reduced, the overall construction cost is obviously reduced, the overall structure refers to a container positioning type modularized design, the advanced preassembly can be realized in a manufacturing plant, the installation precision of the units is ensured, the unit is assembled in a power station, the construction period is greatly shortened, when the unit is maintained, the whole unit can be lifted out for maintenance, the operation is more convenient and rapid, the overall structure is simpler, the cost is low, and the parallel use of multiple units can be realized, so that the output efficiency of equipment is improved, and the through-flow slurry conversion water turbine generator set with; in addition, the oil receiver, the blade servomotor and the operating rod form a blade adjusting structure, so that guide vanes of the water turbine and blades of the rotating wheel are synchronously connected in a cooperative mode, the operating range of the lowest efficiency of the unit is expanded, the efficiency of the unit is improved, the oil receiver of the blade adjusting structure adopts a high-pressure oil receiver structure, the pressure grade is improved to 16MPa, the cylinder diameter of the blade servomotor is reduced, the blades of the rotating wheel are pushed to operate through the operating rod, and the rotating wheel of the structure is designed to have no oil, so that the oil leakage phenomenon of the rotating wheel can be effectively avoided, oil stain is prevented from flowing into a river channel, and the environmental protection performance is improved; the guide vane of the water turbine adopts a single pivot structure, so that the flexibility of the guide vane of the water turbine is improved, and the requirement on manufacturing precision is reduced; the coupler module adopts a universal coupler structure and is used for connecting a shaft of a generator and a shaft of a speed increaser so as to connect the water turbine module and the generator module, and because the universal coupler has effective large angular compensation capacity and can be stretched and contracted in length, the concentricity and the elevation position error of the shaft of the generator and the shaft of the speed increaser are reduced, and the installation is convenient and trouble-saving; the generator adopts an open type ventilation structure, can naturally radiate heat, and has low cost, good effect, safety and reliability; the fence adopts the structural design of a four-side conical frame, the structure is a conical frame, steel wire ropes are used for cross connection, and sundries can be accumulated at the bottom along the periphery due to the increased guide, so that compared with a conventional structure, the influence of sundry blockage on water flow is reduced, the structure is simple, and the cost is low.

Drawings

Fig. 1 is a front view of a first embodiment of the present invention.

Fig. 2 is a schematic view of the internal structure of the water turbine module according to the present invention.

Fig. 3 is a schematic front structure diagram of a first embodiment of the invention.

Fig. 4 is a schematic top view of a first embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a factory building module according to a first embodiment of the invention.

Fig. 6 is a schematic front structure diagram of a factory building module according to a first embodiment of the invention.

Fig. 7 is a front view of a second embodiment of the present invention.

Fig. 8 is a schematic front structure diagram of a second embodiment of the invention.

Wherein: 1. factory building module 2, factory building body 3 and top layer

4. Crown block 5, front gate 6 and rear gate

7. Fence 8, inclined support frame 9, hydraulic turbine module

10. Seat ring support 11, speed increaser 12 and oil supply head

13. Blade servomotor 14, operating rod 15 and bevel gear

16. Water distributor 17, water turbine guide vane 18, runner chamber

19. Runner 20, draft tube 21, drain pipe

22. Diffusion tube 23, generator module 24 and generator

25. Brake device 26 and coupling module

Detailed Description

The following provides a brief description of embodiments of the present invention with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the steel structure modular through-flow rotating-slurry water-turbine generator set and the use method thereof are characterized in that: constitute by factory building module 1, hydraulic turbine module 9, generator module 23 and coupling module 26 all are located factory building module 1's inside, hydraulic turbine module 9, generator module 23 and coupling module 26 all are fixed connection with factory building module 1, hydraulic turbine module 9 is located factory building module 1's bottom position department, hydraulic turbine module 9 is fixed connection with factory building module 1, generator module 23 is located the upper portion of hydraulic turbine module 9, generator module 23 is fixed connection with factory building module 1, coupling module 26 is located between hydraulic turbine module 9 and the generator module 23, coupling module 26 is fixed connection with factory building module 1, factory building module 1 is by factory building body 2, top layer 3, overhead traveling crane 4, preceding gate 5, back gate 6, The guard fence 7 and two inclined support frames 8 are formed, the top layer 3 is positioned at the top of the plant body 2, the top layer 3 is fixedly connected with the plant body 2, the crown block 4 is positioned at the position, close to the top layer 3, of the inner side of the plant body 2, the crown block 4 is fixedly connected with the plant body 2, the front gate 5 is positioned at one side of the plant body 2, close to the water turbine module 9, the front gate 5 is fixedly connected with the plant body 2, the rear gate 6 is positioned at the other side of the plant body 2, far away from the water turbine module 9, the rear gate 6 is fixedly connected with the plant body 2, the guard fence 7 is positioned at one side of the front gate 5, the guard fence 7 is positioned at the outer part of the plant body 2, close to one side of the water turbine module 9, the guard fence 7 is fixedly connected with the plant body 2, the two inclined support frames 8 are respectively positioned at two sides of the plant body 2, close to the, the two inclined support frames 8 are fixedly connected with the plant body 2, the water turbine module 9 is a water turbine body with blades, the water turbine module 9 further comprises a seat ring support 10, a speed increaser 11, an oil receiver 12, a blade servomotor 13, an operating rod 14, a bevel gear 15, a water distributor 16, a water turbine guide vane 17, a runner chamber 18, a runner 19, a draft tube 20 and a diffusion tube 22, the seat ring support 10 is a main external component of the water turbine module 9, the speed increaser 11 is positioned in the middle of the water turbine module 9, the speed increaser 11 is fixedly connected with the water turbine module 9, the oil receiver 12 is positioned inside the water turbine module 9 and close to the blade servomotor 13, the oil receiver 12 is fixedly connected with the water turbine module 9, the blade servomotor 13 is positioned inside the water turbine module 9, and the blade servomotor 13 is positioned on one side of the oil receiver 12, the blade servomotor 13 is fixedly connected with the oil receiver 12, the operating rod 14 is located inside the water turbine module 9, the operating rod 14 is located on one side of the blade servomotor 13, the operating rod 14 is fixedly connected with the blade servomotor 13, the bevel gear 15 is located inside the water turbine module 9, the bevel gear 15 is located on the outer side of the operating rod 14 close to the blade servomotor 13, the bevel gear 15 is fixedly connected with the blade servomotor 13, the water distributor 16 is located on the outer side of the position where the water turbine module 9 and the diffuser 22 are connected, which is close to the runner chamber 18, the water distributor 16 is fixedly connected with the water turbine module 9, the water turbine guide vane 17 is located on the inner side of the position where the water turbine module 9 and the diffuser 22 are connected, the water turbine guide vane 17 is fixedly connected with the water turbine module 9, the runner chamber 18 is located at the position where the water turbine module 9 and the diffuser 22 are connected, the one end and the hydraulic turbine module 9 of runner room 18 are fixed connection, the other end and the diffuser 22 of runner room 18 are fixed connection, runner 19 is located the inside of runner room 18, runner 19 is fixed connection with action bars 14, draft tube 20 is located between runner room 18 and diffuser 22, the one end and the runner room 18 of draft tube 20 are fixed connection, the other end and the diffuser 22 telescopic joint of draft tube 20 are connected, still be equipped with drain pipe 21 on the diffuser 22, drain pipe 21 is located the lower part of diffuser 22, drain pipe 21 is fixed connection with diffuser 22, generator module 23 comprises generator 24 and brake equipment 25, generator 24 and brake equipment 25 all are located the inside of factory building body 2, and brake equipment 25 is located the lower part position department of generator 24, brake equipment 25 is fixed connection with generator 24, the generator 24 is fixedly connected with the plant body 2. The plant body 2 is a steel structure plant, and the top layer 3 is a fixed structure roof. The crown block 4 is a hoisting device with a built-in structure. The fence 7 is of a tapered frame structure. The oil receiver 12 is a high-pressure oil receiver, and the pressure grade of the oil receiver 12 is less than or equal to 16 MPa. The bevel gear 15 is of an arc surrounding structure. The water turbine guide vane 17 is of a single-pivot structure. The generator 24 comprises a generator main shaft, a rotor, a stator, an upper guide bearing, a lower guide bearing, a brake device, an alternating current exciter stator, an alternating current exciter rotor and a rotary rectifier, the generator is arranged on the main shaft, the upper guide bearing is arranged above the rotor and connected with a stator flange, and the lower guide bearing is arranged below the rotor. The coupling module 26 is a universal coupling structure, one end of the coupling module 26 is connected to the generator 24, and the other end of the coupling module 26 is connected to the speed increaser 11.

The working mode is as follows: the facility is a through-flow slurry-conversion water turbine generator set which utilizes a steel structure factory building to replace a civil structure factory building, thereby standardizing the distribution and placement of a water turbine, a generator and a coupling between the water turbine and the generator, leading the whole water turbine generator set to be carried in a modularized way, leading each set to be rapidly installed in place, reducing the civil engineering quantity, obviously reducing the overall construction cost of the project, leading preassembly in a manufacturing plant can be realized by referring to the container positioning type modularized design of the overall structure, ensuring the installation precision of the sets, assembling the power station, greatly shortening the construction period, lifting the whole set for maintenance when the set is maintained, being more convenient and faster to operate, being simpler in overall structure and lower in cost, and realizing the parallel use of multiple sets, thereby improving the output efficiency of equipment, being capable of increasing the power generation effect, being applicable to various water turbine water heads within the range of 3-10 meters, the flow is about 5-40 cubic meters per second, and the rated output of the generator is 300-1000 kW; the whole structure mainly comprises a plant module 1, a water turbine module 9, a generator module 23 and a coupling module 26, wherein the water turbine module 9, the generator module 23 and the coupling module 26 are all installed inside the plant module 1.

The construction aspect is as follows: the factory building module 1 adopts a modularized steel structure factory building design, the factory building module 1 is composed of a factory building body 2, a top layer 3, a crown block 4, a front gate 5, a rear gate 6, a fence 7 and two inclined support frames 8, the factory building body 2 adopts a steel structure factory building, and a water turbine module 9, a generator module 23 and a coupling module 26 are assembled after being divided into a plurality of modules, the crown block 4 can hoist the units of the modules, the water turbine module 9, the generator module 23 and the coupling module 26 are rapidly installed in place through the arranged guiding and positioning structure, thus the machine set modules can be pre-installed in advance in a manufacturing plant, the installation accuracy of the machine set is ensured, the assembly is carried out in a power station, the construction amount of civil engineering is reduced, the overall construction cost is obviously reduced, the construction period is shortened, when the machine set is maintained, the whole modularized structure can be hoisted out for maintenance and inspection, the operation and maintenance are convenient; and preceding gate 5 and back gate 6 are installed respectively in the preceding of factory building body 2 that is close to hydraulic turbine module 9, back both ends position department, can open during the maintenance and closed use, and two bearing diagonal frame 8 are located the both sides of the factory building body 2 that is close to back gate 6 position department respectively for play a supporting role to whole factory building body 2, make wholly more firm.

In the aspect of power: the water turbine module 9 adopts a water turbine body with blades, the water turbine module 9 further comprises a seat ring support 10, a speed increaser 11, an oil receiver 12, a blade servomotor 13, an operating rod 14, a bevel gear 15, a water distributor 16, a water turbine guide vane 17, a runner chamber 18, a runner 19, a draft tube 20 and a diffusion tube 22, wherein the seat ring support 10 is a main external component of the water turbine module 9, the oil receiver 12, the blade servomotor 13 and the operating rod 14 form a blade adjusting structure, so that blades of the water turbine guide vane 17 and the runner 19 are kept in cooperative synchronization, the running range of the lowest efficiency of a unit is expanded, the efficiency of the unit is improved, the oil receiver 12 of the blade adjusting structure adopts a high-pressure oil receiver structure, the pressure grade of the oil receiver 12 is less than or equal to 16MPa, the pressure grade is improved to 16MPa, thereby the cylinder diameter of the runner 13 is reduced, the blades of the runner 19 are pushed by the operating rod 14 to run, because no oil exists in the rotating wheel 19 with the design structure, the oil leakage phenomenon of the rotating wheel 19 can be effectively avoided, the oil stain is prevented from flowing into a river channel, and the environmental protection performance is improved; in addition, the speed increaser 11 of the water turbine module 9 has the functions of increasing speed and changing direction, so that the rotating speed of the generator 24 can be increased, and the cost of the generator 24 can be reduced, the bevel gears 15 which are in an arc surrounding structure are adopted in the water turbine module 9 and have the functions of increasing speed and changing the direction of transmission force, so that the main shaft of the generator 24 and the main shaft of the water turbine module 9 are arranged at 90 degrees, the generator 24 is arranged outside the water turbine module 9, the problems of difficult arrangement, difficult installation and maintenance and poor ventilation and heat dissipation caused by the arrangement of the generator 24 in the water turbine module 9 are solved, meanwhile, the cost of the motor is also saved, a fine adjustment structure is added to the gear of the speed increaser 11, and the; the water turbine guide vane 17 adopts a single pivot structure, so that the flexibility of the water turbine guide vane 17 is improved, and the requirement on manufacturing precision is reduced; a drain pipe 21 is further provided at a lower portion of the draft tube 20 for collecting the discharged water.

Linkage aspect: the coupler module 26 is of a universal coupler structure, one end of the coupler module 26 is connected with the generator 24, the other end of the coupler module 26 is connected with the speed increaser 11, and the coupler module is used for connecting a shaft of the generator 24 with a shaft of the speed increaser 11, so that the water turbine module 9 is connected with the generator module 23.

In the aspect of electric power: the generator module 23 is composed of a generator 24 and a brake device 25, the generator 24 includes a generator main shaft, a rotor, a stator, an upper guide bearing, a lower guide bearing, a brake device, an ac exciter stator, an ac exciter rotor and a rotating rectifier, the generator is arranged with the main shaft, the upper guide bearing is arranged above the rotor and connected with a stator flange, the lower guide bearing is arranged below the rotor, the brake device 25 is arranged on the outer circular surface of the main shaft extension end of the generator 24, the surface is a brake friction surface and can control the rotating speed of the main shaft, in addition, the generator 24 adopts an open type ventilation structure, and can naturally radiate heat, and has low cost, good effect, safety and reliability.

And (3) protection: the fence 7 adopts the structural design of a four-side conical frame, the structure is a conical frame, steel wire ropes are used for cross connection, sundries can be accumulated at the bottom along the periphery due to the increase of guide, compared with a conventional structure, the influence of sundry blockage on water flow is reduced, the structure is simple, and the cost is low.

Example two:

as shown in fig. 2, 7 and 8, the steel structure modular through-flow rotary paddle water-turbine generator set and the use method thereof are characterized in that: constitute by factory building module 1, hydraulic turbine module 9, generator module 23 and coupling module 26 all are located factory building module 1's inside, hydraulic turbine module 9, generator module 23 and coupling module 26 all are fixed connection with factory building module 1, hydraulic turbine module 9 is located factory building module 1's bottom position department, hydraulic turbine module 9 is fixed connection with factory building module 1, generator module 23 is located the upper portion of hydraulic turbine module 9, generator module 23 is fixed connection with factory building module 1, coupling module 26 is located between hydraulic turbine module 9 and the generator module 23, coupling module 26 is fixed connection with factory building module 1, factory building module 1 is by factory building body 2, top layer 3, overhead traveling crane 4, preceding gate 5, back gate 6, The guard fence 7 and two inclined support frames 8 are formed, the top layer 3 is positioned at the top of the plant body 2, the top layer 3 is fixedly connected with the plant body 2, the crown block 4 is positioned at the position, close to the top layer 3, of the inner side of the plant body 2, the crown block 4 is fixedly connected with the plant body 2, the front gate 5 is positioned at one side of the plant body 2, close to the water turbine module 9, the front gate 5 is fixedly connected with the plant body 2, the rear gate 6 is positioned at the other side of the plant body 2, far away from the water turbine module 9, the rear gate 6 is fixedly connected with the plant body 2, the guard fence 7 is positioned at one side of the front gate 5, the guard fence 7 is positioned at the outer part of the plant body 2, close to one side of the water turbine module 9, the guard fence 7 is fixedly connected with the plant body 2, the two inclined support frames 8 are respectively positioned at two sides of the plant body 2, close to the, the two inclined support frames 8 are fixedly connected with the plant body 2, the water turbine module 9 is a water turbine body with blades, the water turbine module 9 further comprises a seat ring support 10, a speed increaser 11, an oil receiver 12, a blade servomotor 13, an operating rod 14, a bevel gear 15, a water distributor 16, a water turbine guide vane 17, a runner chamber 18, a runner 19, a draft tube 20 and a diffusion tube 22, the seat ring support 10 is a main external component of the water turbine module 9, the speed increaser 11 is positioned in the middle of the water turbine module 9, the speed increaser 11 is fixedly connected with the water turbine module 9, the oil receiver 12 is positioned inside the water turbine module 9 and close to the blade servomotor 13, the oil receiver 12 is fixedly connected with the water turbine module 9, the blade servomotor 13 is positioned inside the water turbine module 9, and the blade servomotor 13 is positioned on one side of the oil receiver 12, the blade servomotor 13 is fixedly connected with the oil receiver 12, the operating rod 14 is located inside the water turbine module 9, the operating rod 14 is located on one side of the blade servomotor 13, the operating rod 14 is fixedly connected with the blade servomotor 13, the bevel gear 15 is located inside the water turbine module 9, the bevel gear 15 is located on the outer side of the operating rod 14 close to the blade servomotor 13, the bevel gear 15 is fixedly connected with the blade servomotor 13, the water distributor 16 is located on the outer side of the position where the water turbine module 9 and the diffuser 22 are connected, which is close to the runner chamber 18, the water distributor 16 is fixedly connected with the water turbine module 9, the water turbine guide vane 17 is located on the inner side of the position where the water turbine module 9 and the diffuser 22 are connected, the water turbine guide vane 17 is fixedly connected with the water turbine module 9, the runner chamber 18 is located at the position where the water turbine module 9 and the diffuser 22 are connected, the one end and the hydraulic turbine module 9 of runner room 18 are fixed connection, the other end and the diffuser 22 of runner room 18 are fixed connection, runner 19 is located the inside of runner room 18, runner 19 is fixed connection with action bars 14, draft tube 20 is located between runner room 18 and diffuser 22, the one end and the runner room 18 of draft tube 20 are fixed connection, the other end and the diffuser 22 telescopic joint of draft tube 20 are connected, still be equipped with drain pipe 21 on the diffuser 22, drain pipe 21 is located the lower part of diffuser 22, drain pipe 21 is fixed connection with diffuser 22, generator module 23 comprises generator 24 and brake equipment 25, generator 24 and brake equipment 25 all are located the inside of factory building body 2, and brake equipment 25 is located the lower part position department of generator 24, brake equipment 25 is fixed connection with generator 24, the generator 24 is fixedly connected with the plant body 2. The plant body 2 is a steel structure plant, and the top layer 3 is a movable structure roof. The overhead traveling crane 4 is an external gantry crane mechanism. The fence 7 is of a tapered frame structure. The oil receiver 12 is a high-pressure oil receiver, and the pressure grade of the oil receiver 12 is less than or equal to 16 MPa. The bevel gear 15 is of an arc surrounding structure. The water turbine guide vane 17 is of a single-pivot structure. The generator 24 comprises a generator main shaft, a rotor, a stator, an upper guide bearing, a lower guide bearing, a brake device, an alternating current exciter stator, an alternating current exciter rotor and a rotary rectifier, the generator is arranged on the main shaft, the upper guide bearing is arranged above the rotor and connected with a stator flange, and the lower guide bearing is arranged below the rotor. The coupling module 26 is a universal coupling structure, one end of the coupling module 26 is connected to the generator 24, and the other end of the coupling module 26 is connected to the speed increaser 11. The working mode of the device is the same as that of the first embodiment, the top layer 3 adopts a movable structure roof, and the overhead travelling crane 4 adopts an external structure gantry crane mechanism, so that the height of a factory building can be reduced, the cost of the factory building is saved, and the device is convenient to install.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", "end", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (10)

1. The utility model provides a steel construction modular through-flow commentaries on classics thick liquid hydroelectric set which characterized in that: the water turbine module, the generator module and the coupling module are all positioned inside the plant building module, the water turbine module, the generator module and the coupling module are fixedly connected with the plant building module, the water turbine module is positioned at the bottom of the plant building module and fixedly connected with the plant building module, the generator module is positioned at the upper part of the water turbine module, the generator module is fixedly connected with the plant building module, the coupling module is positioned between the water turbine module and the generator module, the coupling module is fixedly connected with the plant building module, the plant building module is composed of a plant building body, a top layer, a crown block, a front gate, a rear gate, a fence and two inclined support frames, the top layer is positioned at the top of the plant building body, the top layer is fixed connection with the factory building body, the overhead traveling crane is located the inboard position department that is close to the top layer of factory building body, overhead traveling crane and factory building body are fixed connection, preceding gate is located the one side of the factory building body that is close to the hydraulic turbine module, preceding gate is fixed connection with the factory building body, the back gate is located the opposite side of the factory building body of keeping away from the hydraulic turbine module, back gate is fixed connection with the factory building body, fence is located one side of preceding gate, and fence is located the outside of the factory building body that is close to hydraulic turbine module one side, fence and factory building body are fixed connection, two bearing diagonal frame are located the both sides of the factory building body that are close to back gate position department respectively, two bearing diagonal frame all are fixed connection with the factory building body, the hydraulic turbine module is the hydraulic turbine body that has the paddle, the hydraulic turbine module still includes seat ring support, the top, The speed increaser is positioned in the middle of the water turbine module, the speed increaser is fixedly connected with the water turbine module, the oil receiver is positioned in the water turbine module and close to the position of the blade servomotor, the oil receiver is fixedly connected with the water turbine module, the blade servomotor is positioned in the water turbine module and positioned at one side of the oil receiver, the blade servomotor is fixedly connected with the oil receiver, the operating rod is positioned in the water turbine module and positioned at one side of the blade servomotor, the operating rod is fixedly connected with the blade servomotor, the bevel gear is positioned in the water turbine module and positioned at the outer side of the operating rod close to the blade servomotor, the bevel gear is fixedly connected with the blade servomotor, the water distributor is positioned on the outer side of the water turbine module, the water distributor is fixedly connected with the water turbine module, the water turbine guide vane is positioned on the inner side of the water distributor, the water turbine guide vane is fixedly connected with the water turbine module, the runner chamber is positioned at the connecting position of the water turbine module and the diffusion tube, one end of the runner chamber is fixedly connected with the water turbine module, the other end of the runner chamber is fixedly connected with the diffusion tube, the runner is positioned in the runner chamber, the runner is fixedly connected with the operating rod, the draft tube is positioned between the runner chamber and the diffusion tube, one end of the draft tube is fixedly connected with the runner chamber, the other end of the draft tube is connected with the diffusion tube, the diffusion tube is further provided with a drain pipe, the drain pipe is positioned on the lower part of the diffusion tube, and the drain pipe is fixedly connected with the diffusion tube, the generator module comprises a generator and a brake device, the generator and the brake device are all located inside the plant body, the brake device is located at the lower portion of the generator, the brake device is fixedly connected with the generator, and the generator is fixedly connected with the plant body.

2. The steel structure modular type through-flow rotary paddle hydraulic generator set according to claim 1, characterized in that: the factory building body is a steel structure factory building, and the top layer is a fixed structure roof or a movable structure roof.

3. The steel structure modular type through-flow rotary paddle hydraulic generator set according to claim 1, characterized in that: the overhead traveling crane is a hoisting device with an internal structure or a gantry crane mechanism with an external structure.

4. The steel structure modular type through-flow rotary paddle hydraulic generator set according to claim 1, characterized in that: the fence is of a conical frame structure.

5. The steel structure modular type through-flow rotary paddle hydraulic generator set according to claim 1, characterized in that: the oil receiver is a high-pressure oil receiver, and the pressure grade of the oil receiver is less than or equal to 16 MPa.

6. The steel structure modular type through-flow rotary paddle hydraulic generator set according to claim 1, characterized in that: the bevel gear is of an arc surrounding structure.

7. The steel structure modular type through-flow rotary paddle hydraulic generator set according to claim 1, characterized in that: the guide vane of the water turbine is of a single-pivot structure.

8. The steel structure modular type through-flow rotary paddle hydraulic generator set according to claim 1, characterized in that: the generator comprises a generator main shaft, a rotor, a stator, an upper guide bearing, a lower guide bearing, a brake device, an alternating current exciter stator, an alternating current exciter rotor and a rotary rectifier, wherein the generator is arranged on the main shaft, the upper guide bearing is arranged above the rotor and connected with a stator flange, and the lower guide bearing is arranged below the rotor.

9. The steel structure modular type through-flow rotary paddle hydraulic generator set according to claim 1, characterized in that: the coupler module is of a universal coupler structure, one end of the coupler module is connected with the generator, and the other end of the coupler module is connected with the speed increaser.

10. The use method of the steel structure modular through-flow rotary paddle hydraulic generator set according to the claims 1-9 comprises the following steps:

firstly, the structure aspect: the modular water turbine module, the generator module and the coupling module are quickly installed in place through the guiding and positioning structures, so that the unit modules can be preassembled in advance in a manufacturing plant, the installation accuracy of the unit is guaranteed, the unit modules are assembled in a power station, the civil engineering amount is reduced, the overall construction cost of engineering is obviously reduced, the construction period is shortened, when the unit is maintained, the whole modular structure can be lifted out for maintenance and inspection, and the operation and maintenance are convenient;

secondly, in the aspect of power: the hydraulic turbine module adopts a hydraulic turbine body with blades, an oil receiver, a blade servomotor and an operating rod in the hydraulic turbine module form a blade adjusting structure, so that guide vanes of the hydraulic turbine and blades of a rotating wheel are synchronously connected in a tandem manner, the operating range of the lowest efficiency of a unit is expanded, the efficiency of the unit is improved, and the oil receiver of the blade adjusting structure adopts a high-pressure oil receiver structure, so that the pressure grade is improved to 16MPa, the cylinder diameter of the blade servomotor is reduced, the blades of the rotating wheel are pushed to operate through the operating rod, and as no oil exists in the rotating wheel of the designed structure, the oil leakage phenomenon of the rotating wheel can be effectively avoided, oil pollution is prevented from flowing into a river channel, and the environmental protection performance is improved; in addition, the speed increaser of the water turbine module has the functions of increasing speed and changing direction, so that the rotating speed of the generator can be increased, and the cost of the generator can be reduced, the bevel gears which are in an arc-shaped structure are adopted in the water turbine module, the bevel gears have the functions of increasing speed and changing the direction of transmission force, the main shaft of the generator and the main shaft of the water turbine module are arranged at 90 degrees, the generator is arranged outside the water turbine module, the problems of difficult arrangement, difficult installation and maintenance and poor ventilation and heat dissipation caused by the arrangement of the generator in the water turbine module are solved, meanwhile, the cost of the motor is saved, the gear of the speed increaser is additionally provided with a fine adjustment structure; the guide vane of the water turbine adopts a single-pivot structure, so that the flexibility of the guide vane of the water turbine is improved, and the requirement on manufacturing precision is reduced;

thirdly, linkage: the coupler module is of a universal coupler structure and is used for connecting a shaft of a generator and a shaft of a speed increaser, so that the water turbine module is connected with the generator module;

fourthly, in the aspect of electric power: the generator module is composed of a generator and a brake device, the generator comprises a generator main shaft, a rotor, a stator, an upper guide bearing, a lower guide bearing, the brake device, an alternating current exciter stator, an alternating current exciter rotor and a rotary rectifier, the generator is arranged on the main shaft, the upper guide bearing is arranged above the rotor and connected with a stator flange, the lower guide bearing is arranged below the rotor, the brake device is arranged on the outer circular surface of the main shaft extending end of the generator, the surface is a brake friction surface and can control the rotating speed of the main shaft, in addition, the generator adopts an open type ventilation structure, natural heat dissipation can be realized, the cost is low, the effect is good, and safety and reliability are realized;

fifthly, protection: the fence adopts the structural design of a four-side conical frame, the structure is a conical frame, steel wire ropes are used for cross connection, and sundries can be accumulated at the bottom along the periphery due to the increased guide, so that compared with a conventional structure, the influence of sundry blockage on water flow is reduced, the structure is simple, and the cost is low.

Images