CN217354581U - Structure for improving water and air supply amount of impact type double-rotating-wheel drainage - Google Patents
Structure for improving water and air supply amount of impact type double-rotating-wheel drainage Download PDFInfo
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- CN217354581U CN217354581U CN202220728666.9U CN202220728666U CN217354581U CN 217354581 U CN217354581 U CN 217354581U CN 202220728666 U CN202220728666 U CN 202220728666U CN 217354581 U CN217354581 U CN 217354581U
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Abstract
The utility model discloses an improve structure of impacted style double round drainage tonifying qi volume relates to impacted style hydraulic turbine unit field, including last runner room, lower runner room, spiral guide plate, water conservancy diversion tonifying qi box, drainage corridor, breakwater, go up runner and lower runner, be provided with the runner in going up the runner room, be provided with the lower runner in the lower runner room, go up and be provided with the breakwater between runner room and the lower runner room, water conservancy diversion tonifying qi box sets up the side at runner room down, water conservancy diversion tonifying qi box and last runner room intercommunication, and the wall connection of water conservancy diversion tonifying qi box has the spiral guide plate, lower runner room is provided with the drainage corridor with water conservancy diversion tonifying qi box below, and this structure can improve drainage efficiency, reduces occupation space, prevents the indoor malleation that does not allow to appear of runner and the unbalanced condition of atmospheric pressure, guarantees that the runner is indoor for even atmospheric pressure.
Description
Technical Field
The utility model relates to an impacted style turbine unit field especially relates to an improve structure of impacted style double round drainage air supplement volume.
Background
The high-capacity impact type double-rotor unit is provided with an upper layer of rotating wheels and a lower layer of rotating wheels, and each layer of rotating wheels has a complete structure for ensuring the normal power generation of the unit. Traditional single runner hydraulic turbine, rivers get into the drainage corridor through steady water bars and discharge into the low reaches river course after runner energy conversion, and the drainage corridor is provided with the air passage of sufficient height to ensure that the runner drainage is smooth and easy, the whole space in traditional single runner unit runner lower part all toward the downstream drainage, and the large drainage of drainage area is smooth and easy.
The double-runner unit has compact structure and smaller upper runner space, and the upper runner can only drain water downwards from the outermost side of the runner chamber because the drainage of the upper runner cannot influence the running of the runner below. Go up the runner lower part and be provided with the guide plate, rivers collect the back through the guide plate, adopt the direct row mode drainage of gravity from lower part runner side, for improving drainage ability, need very big side drainage space, consequently adopt the direct row mode of gravity, drainage efficiency is lower and occupation space is great, the indoor malleation that does not allow to appear of runner and the unbalanced condition of atmospheric pressure can also appear, can't guarantee that the indoor portion of runner is even atmospheric pressure.
The prior art proposes a Chinese patent publication with publication No. CN105545571A, 2016, 5, month and 4, which discloses the following technical solutions:
the invention relates to a vertical shaft multistage impulse type water turbine. The invention aims to provide a vertical shaft multistage impulse water turbine which is simple in structure and convenient to manufacture, so that a larger single-machine capacity can be obtained, the unit parameter level of a unit can be improved, the plane excavation size can be reduced, and the damage to the environment can be reduced. The technical scheme of the invention is as follows: the water turbine comprises a water inlet pipe, a generator and a water turbine main shaft connected to the generator, a plurality of runner cavities arranged on the same straight line from top to bottom are provided, the runner cavities are communicated with a tail water channel, the water turbine main shaft penetrates through the runner cavities from top to bottom in sequence, a vertical shaft bucket runner is arranged on the water turbine main shaft corresponding to each runner cavity, a water distribution ring pipe surrounding the cavity is arranged corresponding to each runner cavity, the water distribution ring pipe is communicated with the water inlet pipe, a plurality of spray pipes and spray needles are uniformly connected to the water distribution ring pipe, water outlets of the spray pipes and the spray needles are located in the runner cavities, and the vertical shaft bucket runners in the cavities are aligned.
The multi-impact runner of the vertical shaft for the patent is connected in series, a plurality of water distribution ring pipes are arranged to be matched with the multi-impact runner, larger single machine capacity can be obtained, and the multi-impact runner is arranged to remarkably improve the overall parameter level of the unit. The problem of parameter matching of the water turbine and the generator is solved through a plurality of runners, a plurality of water distribution ring pipes, a plurality of spray pipes and a spray needle mechanism, the two are enabled to reach the optimum simultaneously, but the patent still adopts a gravity direct discharging mode, the problems of low drainage efficiency and large occupied space are not solved, the situation that positive pressure and air pressure are unbalanced in a runner chamber are not allowed to occur can also occur, the inside of the runner chamber is uniform atmospheric pressure, the operation efficiency of a unit can be influenced, even damage to the unit is caused, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an improve structure of impacted style double rotating wheel drainage air supplement volume improves drainage efficiency, reduces occupation space, prevents the indoor malleation that does not allow to appear of runner and the unbalanced condition of atmospheric pressure, guarantees that the indoor portion of runner is even atmospheric pressure.
The utility model discloses a realize through adopting following technical scheme:
the utility model provides an improve structure of impacted style double runner drainage tonifying qi volume, includes last runner room, lower runner room, spiral guide plate, water conservancy diversion tonifying qi box, drainage corridor, breakwater, goes up runner and lower runner, upward be provided with the runner in the runner room, be provided with the lower runner in the lower runner room, upward be provided with the breakwater between runner room and the lower runner room, water conservancy diversion tonifying qi box sets up in the side of runner room down, water conservancy diversion tonifying qi box and last runner room intercommunication, and the wall connection of water conservancy diversion tonifying qi box has the spiral guide plate, lower runner room and water conservancy diversion tonifying qi box below are provided with the drainage corridor.
Furthermore, an air channel which penetrates through the air guide and air supplement box from top to bottom is arranged in the air guide and air supplement box.
Furthermore, the angle formed by the water baffle and the wall surface of the flow guiding and air supplementing box is larger than 90 degrees.
Furthermore, the angle formed by the water baffle and the wall surface of the flow guide air supplement box ranges from 125 degrees to 145 degrees.
Furthermore, a drain hole is formed in the wall surface of the flow guide air supplement box.
Furthermore, energy dissipation blocks are arranged on the spiral flow guide plates.
Furthermore, the upper rotary wheel is provided with a plurality of nozzles, and each nozzle is provided with a corresponding flow guide air supplement box.
Furthermore, the upper rotary wheel chamber is communicated with 6 uniformly distributed flow guide air supplement boxes.
Further, the height of the drainage corridor is higher than the normal tail water level.
Further, the height of the drainage corridor is higher than the highest tail water level.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, go up runner room rivers behind runner energy conversion, rivers flow in the water conservancy diversion tonifying qi box through the breakwater, be provided with the spiral guide plate in the water conservancy diversion tonifying qi box, form the rivers passageway, guide rivers are along the rotatory low reaches that flows in of guide plate spiral, the air can supply to go up the runner room, the drainage ability has been improved, reduce occupation space, prevent the indoor malleation that does not allow to appear of runner and the unbalanced condition of atmospheric pressure, guarantee that the indoor portion of runner is even atmospheric pressure, the unit size has been reduced, the power station cost is saved.
2. The utility model discloses in, can be provided with an air passage who runs through from top to bottom in the water conservancy diversion tonifying qi box, ensure that the air can freely supply to the last runner, further improve the efficiency of admitting air, prevent the indoor malleation that does not allow to appear of runner and the unbalanced condition of atmospheric pressure, guarantee that the indoor portion of runner is even atmospheric pressure.
3. The utility model discloses in, the angle that the breakwater formed with the wall of water conservancy diversion tonifying qi box is greater than 90 degrees, can make the breakwater play the effect of a water conservancy diversion, forms the rivers passageway, and guide rivers increase drainage efficiency along the rotatory low reaches of flowing in of guide plate spiral, and according to the in-service use demand, the angle scope that the breakwater formed with the wall of water conservancy diversion tonifying qi box is 125 degrees-145 degrees.
4. The utility model discloses in, the wall of water conservancy diversion tonifying qi box can be provided with the wash port, can set up the wash port according to the water yield size, and the trompil both can reduce the welding volume, also can increase wall drainage ability.
5. The utility model discloses in, can be provided with the energy dissipation piece on the spiral guide plate for reduce the rivers energy, avoid rivers impact drainage corridor, arouse great surge, block the circulation of air, wash away the corridor concrete.
6. The utility model discloses in, go up the runner and be provided with a plurality of nozzle, every nozzle can set up a water conservancy diversion tonifying qi box that corresponds, makes every nozzle be provided with independent water conservancy diversion tonifying qi box, avoids upper runner rivers scattering, forms the water curtain, hinders the replenishment of air, leads to the runner room negative pressure to appear, influences upper runner efficiency.
7. The utility model discloses select according to the in-service use, go up the runner and be provided with 6 nozzles, the event goes up runner chamber intercommunication and has the water conservancy diversion tonifying qi box of 6 equipartitions.
8. The utility model discloses in, drainage gallery highly is higher than normal tail water level, makes drainage gallery in exist solitary drainage channel and inlet channel, improves the drainage efficiency of admitting air, and the space occupation size is lower, has reduced the unit size, saves the power station cost.
9. The utility model discloses in, drainage corridor's the highest tail water level that highly is higher than guarantees drainage corridor when displacement reaches the biggest, still can have solitary drainage channel and inlet channel, further improves drainage air intake efficiency, improves the security performance and the stability of structure.
Drawings
In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not intended to limit the present invention.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a layout diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the structure of the air-supplying and guiding box of the present invention;
FIG. 4 is a schematic view of the structure of the air-supplying and guiding box of the present invention;
FIG. 5 is a perspective view of the air supply and diversion box of the present invention;
fig. 6 is the overall structure layout of the utility model.
The labels in the figure are:
1. the device comprises an upper runner chamber, a lower runner chamber, a spiral guide plate, a drainage channel, an energy dissipation block, a guide air replenishing box, a drainage channel, a water baffle plate, an upper runner, a lower runner, a water inlet, a drainage channel, an upper water baffle, a lower water baffle, a water inlet, a water outlet, a normal tail water level, a highest tail water level, a normal tail water level, a highest tail water level, a tail water level and a drainage hole.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined below to clearly and completely describe the technical solution of the embodiments of the present invention.
Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "comprising" or "including" and similar referents in the context of this disclosure is to be construed to cover any element or item listed as preceding the term and its equivalent, but not to exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The present invention will be further explained with reference to the drawings and examples.
Example 1
As a preferred embodiment of the utility model, this embodiment provides an improve structure of impacted style double round drainage tonifying qi volume, including last runner room 1, lower runner room 2, spiral guide plate 3, water conservancy diversion tonifying qi box 5, drainage corridor 6, breakwater 7, go up runner 8 and lower runner 9, going up and being provided with runner 8 in the runner room 1, being provided with runner 9 in the lower runner room 2, going up and being provided with breakwater 7 between runner room 1 and the lower runner room 2, water conservancy diversion tonifying qi box 5 sets up the side in runner room 2 down, water conservancy diversion tonifying qi box 5 and last runner room 1 intercommunication, and the wall connection of water conservancy diversion tonifying qi box 5 has spiral guide plate 3, lower runner room 2 and water conservancy diversion tonifying qi box 5 below are provided with drainage corridor 6.
In this embodiment, go up runner room 1 rivers behind runner energy conversion, rivers flow into water conservancy diversion tonifying qi box 5 through breakwater 7 in, be provided with spiral guide plate 3 in the water conservancy diversion tonifying qi box 5, form the rivers passageway, guide rivers along the rotatory low reaches of inflow of guide plate spiral, the air can supply to go up runner room 1, the drainage ability has been improved, reduce occupation space, prevent the indoor malleation that does not allow to appear of runner and the unbalanced condition of atmospheric pressure, guarantee that the indoor portion of runner is even atmospheric pressure, the unit size has been reduced, save the power station cost.
Example 2
As another preferred embodiment of the present invention, referring to fig. 1 or 2 of the specification, this embodiment provides a structure for increasing the amount of exhaust air compensation of an impulse type dual-runner, which comprises an upper runner chamber 1, a lower runner chamber 2, a spiral guide plate 3, a diversion air compensation box 5, a drainage gallery 6, a water baffle 7, an upper runner 8 and a lower runner 9, wherein the upper runner chamber 1 is provided with the upper runner 8, the lower runner chamber 2 is provided with the lower runner 9, the water baffle 7 is provided between the upper runner chamber 1 and the lower runner chamber 2, the diversion air compensation box 5 is provided at the side of the lower runner chamber 2, the diversion air compensation box 5 is communicated with the upper runner chamber 1, the spiral guide plate 3 is connected to the wall surface of the diversion air compensation box 5, the drainage gallery 6 is provided below the lower runner chamber 2 and the diversion air compensation box 5, an air channel is provided in the diversion air compensation box 5, the angle formed by the water baffle 7 and the wall surface of the diversion air compensation box 5 is 135 degrees, the wall of the diversion air supply box 5 is provided with a drain hole 14, the spiral guide plate 3 is provided with an energy dissipation block 4, the upper rotating wheel 8 is provided with 6 nozzles, each nozzle is provided with a corresponding diversion air supply box 5, the upper rotating wheel chamber 1 is communicated with 6 evenly distributed diversion air supply boxes 5, and the height of the drainage gallery 6 is higher than the highest tail water level 13.
In this embodiment, an air channel penetrating through the diversion and air supplement box 5 up and down can be arranged to ensure that air can be freely supplemented to the upper rotary wheel 8, further improve the air intake efficiency, further prevent the situation that positive pressure and air pressure imbalance are not allowed in the rotary wheel chamber, ensure that the inside of the rotary wheel chamber is uniform atmospheric pressure, and according to the actual use requirement, the angle formed by the water baffle 7 and the wall surface of the diversion and air supplement box 5 is 135 degrees, so that the water baffle 7 can play a role of diversion, form a water channel, guide water flow to flow into the downstream along the spiral rotation of the diversion plate, increase the drainage efficiency, the drain hole 14 is arranged on the wall surface of the diversion and air supplement box 5, which can reduce the welding amount and also increase the drainage capacity of the wall surface, the energy dissipation block 4 can be arranged on the spiral diversion plate 3 to reduce the water flow energy and avoid water flow from impacting the drainage gallery 6, the embodiment has stable structure, can be used for most impact type water turbine units, has strong applicability, greatly improves the drainage and air intake efficiency, greatly improves the drainage and air intake capability of the impact type water turbine unit, the condition that positive pressure and air pressure are unbalanced, which is not allowed to occur in the runner chamber, is prevented, uniform atmospheric pressure is ensured in the runner chamber, and the runner chamber has the advantages of strong stability and high safety performance.
Example 3
As another preferred embodiment of the present invention, referring to fig. 3-5 of the specification, this embodiment provides a structure for increasing the amount of exhaust air compensation of an impulse type dual-runner, which comprises an upper runner chamber 1, a lower runner chamber 2, a spiral guide plate 3, a diversion air compensation box 5, a drainage gallery 6, a water baffle 7, an upper runner 8 and a lower runner 9, wherein the upper runner chamber 1 is provided with the upper runner 8, the lower runner chamber 2 is provided with the lower runner 9, the water baffle 7 is provided between the upper runner chamber 1 and the lower runner chamber 2, the diversion air compensation box 5 is provided at the side of the lower runner chamber 2, the diversion air compensation box 5 is communicated with the upper runner chamber 1, the spiral guide plate 3 is connected to the wall surface of the diversion air compensation box 5, the drainage gallery 6 is provided below the lower runner chamber 2 and the diversion air compensation box 5, an air channel penetrating up and down is provided in the diversion air compensation box 5, the angle formed by the water baffle 7 and the wall surface of the diversion air compensation box 5 is greater than 90 degrees, the spiral guide plate 3 is provided with an energy dissipation block 4, the upper rotary wheel 8 is provided with a plurality of nozzles, each nozzle can be provided with a corresponding flow guide air supplement box 5, and the height of the drainage gallery 6 is higher than the normal tail water level 12.
In this embodiment, an air channel penetrating through the diversion and air supplement box 5 up and down can be arranged to ensure that air can be freely supplemented to the upper rotary wheel 8, further improve the air intake efficiency, further prevent the situation that positive pressure and air pressure imbalance are not allowed to occur in the rotary wheel chamber, ensure that the inside of the rotary wheel chamber is uniform atmospheric pressure, ensure that the angle formed by the water baffle 7 and the wall surface of the diversion and air supplement box 5 is larger than 90 degrees, ensure that the water baffle 7 plays a role of diversion to form a water flow channel to guide water flow to flow into the downstream along the spiral rotation of the guide plate, increase the drainage efficiency, an energy dissipation block 4 can be arranged on the spiral guide plate 3 to reduce water flow energy, avoid water flow from impacting the drainage gallery 6 to cause large surge, block air circulation, the rotary wheel is provided with a plurality of nozzles, each nozzle can be provided with a corresponding diversion and air supplement box 5, the embodiment has the advantages that each nozzle is provided with the independent flow guide air supplement box 5, the water flow scattering of the upper runner is avoided, a water curtain is formed, the air supplement is blocked, the negative pressure of the runner chamber is caused, the efficiency of the upper runner is influenced, meanwhile, the height of the drainage gallery 6 is higher than the normal tail water level 12, when the drainage gallery 6 is used normally, the drainage gallery and the air inlet gallery are independent, the drainage and air inlet efficiency is improved, the occupied space size is lower, the unit size is reduced, the manufacturing cost of a power station is saved, the drainage and air inlet efficiency is further improved, the embodiment is stable in structure and high in applicability, the drainage and air inlet capacity of the impact type water turbine unit is further improved, the condition that positive pressure and air pressure imbalance do not exist in the runner chamber is prevented, and the uniform atmospheric pressure inside the runner chamber is guaranteed.
Example 4
As another preferred embodiment of the present invention, referring to fig. 6 of the specification, the present embodiment provides a structure for increasing the amount of exhaust air compensation of an impulse type dual-runner, which comprises an upper runner chamber 1, a lower runner chamber 2, a spiral guide plate 3, a diversion air compensation box 5, a drainage gallery 6, a water baffle 7, an upper runner 8 and a lower runner 9, wherein the upper runner chamber 1 is provided with the upper runner 8, the lower runner chamber 2 is provided with the lower runner 9, the water baffle 7 is provided between the upper runner chamber 1 and the lower runner chamber 2, the diversion air compensation box 5 is provided at the side of the lower runner chamber 2, the diversion air compensation box 5 is communicated with the upper runner chamber 1, the spiral guide plate 3 is connected to the wall of the diversion air compensation box 5, the drainage gallery 6 is provided below the lower runner chamber 2 and the diversion air compensation box 5, the angle formed by the water baffle 7 and the wall of the diversion air compensation box 5 is greater than 90 degrees, the drain hole 14 is provided on the wall of the diversion air compensation box 5, go up runner 8 and be provided with 6 nozzles, every nozzle sets up a water conservancy diversion tonifying qi box 5 that corresponds, goes up runner chamber 1 intercommunication and has the water conservancy diversion tonifying qi box 5 of 6 equipartitions.
In the embodiment, the angle formed by the water baffle 7 and the wall surface of the diversion air supplement box 5 is more than 90 degrees, the water baffle 7 can play a role of diversion to form a water flow channel to guide water flow to flow into the downstream along the spiral rotation of the diversion plate, the drainage efficiency is increased, the wall surface of the diversion air supplement box 5 is provided with the drain hole 14, the welding amount can be reduced by opening a hole, the drainage capacity of the wall surface can also be increased, the upper runner 8 is provided with 6 nozzles according to the selection of actual use, so that the upper runner chamber 1 is communicated with 6 evenly distributed diversion air supplement boxes 5, each nozzle is provided with the independent diversion air supplement box 5, the water flow scattering of the upper runner is avoided, a water curtain is formed, the supplement of air is blocked, the negative pressure of the runner chamber is caused, the efficiency of the upper runner is influenced, the implementation improves the drainage and air intake capacity of the impact type water turbine set, and the condition that the positive pressure and the air pressure are not allowed to be unbalanced in the runner chamber is prevented, the uniform atmospheric pressure in the runner chamber is ensured, and the water-discharging and air-ventilating device has higher water-discharging and air-ventilating efficiency, stronger stability and higher safety performance.
Example 5
As another preferred embodiment of the present invention, the present embodiment provides a structure for increasing the drainage and air supplement amount of an impact type dual-runner, comprising an upper runner chamber 1, a lower runner chamber 2, a spiral guide plate 3, a diversion air supplement box 5, a drainage gallery 6, a water baffle 7, an upper runner 8 and a lower runner 9, wherein the upper runner chamber 1 is provided with the upper runner 8, the lower runner chamber 2 is provided with the lower runner 9, the water baffle 7 is arranged between the upper runner chamber 1 and the lower runner chamber 2, the diversion air supplement box 5 is arranged at the side of the lower runner chamber 2, the diversion air supplement box 5 is communicated with the upper runner chamber 1, the spiral guide plate 3 is connected to the wall of the diversion air supplement box 5, the drainage gallery 6 is arranged below the lower runner chamber 2 and the diversion air supplement box 5, the angle range formed by the water baffle 7 and the wall of the diversion air supplement box 5 is 125 degrees to 145 degrees, the drain hole 14 is arranged on the wall of the diversion air supplement box 5, the spiral guide plate 3 is provided with an energy dissipation block 4, and the height of the drainage gallery 6 is higher than the highest tail water level 13.
According to the practical use requirement, the angle formed by the water baffle 7 and the wall surface of the diversion air supplement box 5 is 125-145 degrees, the water baffle 7 can play a role of diversion to form a water flow channel to guide water flow to flow into the downstream along the spiral rotation of the flow guide plate and increase the drainage efficiency, the wall surface of the diversion air supplement box 5 is provided with the drain hole 14 which can reduce the welding amount and increase the drainage capacity of the wall surface, the spiral flow guide plate 3 can be provided with the energy dissipation block 4 which is used for reducing the water flow energy and avoiding the water flow from impacting the drainage gallery 6 to cause larger surge and block the air circulation, and simultaneously the height of the drainage gallery 6 is higher than the normal tail water level 12, so that the drainage gallery 6 has separate drainage channel and air inlet channel when in normal use, the drainage and air inlet efficiency is improved, the space occupation size is lower, and the unit size is reduced, the water-saving type hydraulic turbine has the advantages that the construction cost of a power station is saved, the structure is stable, the applicability is strong, the water discharging and air inlet capacity of the impact type hydraulic turbine is further improved, the condition that positive pressure and air pressure in the runner chamber are not balanced is prevented, the uniform atmospheric pressure in the runner chamber is ensured, and the water-saving type hydraulic turbine has strong stability and high safety performance.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides an improve structure of impacted style double runner drainage tonifying qi volume, its characterized in that, includes last runner room (1), lower runner room (2), spiral guide plate (3), water conservancy diversion tonifying qi box (5), drainage corridor (6), breakwater (7), goes up runner (8) and lower runner (9), be provided with runner (8) in going up runner room (1), be provided with runner (9) down in lower runner room (2), go up and be provided with breakwater (7) between runner room (1) and lower runner room (2), water conservancy diversion tonifying qi box (5) set up the side in runner room (2) down, water conservancy diversion tonifying qi box (5) and last runner room (1) intercommunication, the wall connection of water conservancy diversion tonifying qi box (5) has spiral guide plate (3), lower runner room (2) and water conservancy diversion tonifying qi box (5) below are provided with drainage corridor (6).
2. The structure for improving the drainage and air supplement amount of the impact type double-rotary wheel according to claim 1, wherein an air channel penetrating up and down is arranged in the diversion air supplement box (5).
3. The structure for improving the drainage and air supplement amount of the impact type double-runner according to claim 1, wherein the angle formed by the water baffle (7) and the wall surface of the diversion air supplement box (5) is more than 90 degrees.
4. The structure for improving the drainage and air supplement amount of the impact type double-runner according to claim 3, wherein the angle formed by the water baffle (7) and the wall surface of the diversion air supplement box (5) ranges from 125 degrees to 145 degrees.
5. The structure for improving the drainage and air supplement amount of the impact type double-runner according to claim 1, wherein the wall surface of the diversion air supplement box (5) is provided with a drain hole (14).
6. The structure for improving the drainage and air supplement amount of the impact type double-rotary-wheel according to claim 1, wherein the spiral guide plate (3) is provided with an energy dissipation block (4).
7. The structure for improving the drainage and air supplement amount of the impact type double-runner according to claim 1, wherein the upper runner (8) is provided with a plurality of nozzles, and each nozzle is provided with a corresponding flow guide air supplement box (5).
8. The structure for improving the drainage and air supplement amount of the impact type double-rotor according to claim 7, wherein the upper rotor chamber (1) is communicated with 6 uniformly distributed flow guide air supplement boxes (5).
9. The structure for increasing the amount of drained water and make-up air for the impulse twin rotors according to claim 1, characterized in that the height of the drainage galleries (6) is higher than the normal tail water level (12).
10. The structure for increasing the amount of drainage and air compensation of the double impulse turbine as claimed in claim 9, wherein the height of the drainage corridor (6) is higher than the highest tail water level (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220728666.9U CN217354581U (en) | 2022-03-31 | 2022-03-31 | Structure for improving water and air supply amount of impact type double-rotating-wheel drainage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220728666.9U CN217354581U (en) | 2022-03-31 | 2022-03-31 | Structure for improving water and air supply amount of impact type double-rotating-wheel drainage |
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| CN217354581U true CN217354581U (en) | 2022-09-02 |
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