阅读说明：本技术 一种双循环地热能发电用防震动汽轮机 (Double-circulation anti-vibration steam turbine for geothermal energy power generation ) 是由 黄长涛 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种双循环地热能发电用防震动汽轮机,包括汽轮外壳,所述汽轮外壳的正面固定连接有观察窗,所述汽轮外壳的外表面套设有桁架支撑圆板,所述桁架支撑圆板的底部固定连接有扣接底座,且扣接底座设置在汽轮外壳的底部,所述汽轮外壳底部的中间处套设有扣接环,所述汽轮外壳内腔的中间处固定连接有第二导流板,所述第二导流板的底部设有气流调节装置,本发明涉及地热能发电技术领域。该双循环地热能发电用防震动汽轮机,通过双循环程序后的高温高压气体进入汽轮机装置内,导流槽起到初步引导作用,达到平均压力的作用,防止气体内部压力不对等,导致内部装置受力不均匀而受到震动。(The invention discloses an anti-vibration steam turbine for double-cycle geothermal energy power generation, which comprises a steam turbine shell, wherein an observation window is fixedly connected to the front side of the steam turbine shell, a truss supporting circular plate is sleeved on the outer surface of the steam turbine shell, a buckling base is fixedly connected to the bottom of the truss supporting circular plate and arranged at the bottom of the steam turbine shell, a buckling ring is sleeved at the middle of the bottom of the steam turbine shell, a second guide plate is fixedly connected to the middle of an inner cavity of the steam turbine shell, and an air flow adjusting device is arranged at the bottom of the second guide plate. This dual cycle geothermal energy electricity generation is with anti-vibration steam turbine, high temperature high-pressure gas after through the dual cycle procedure gets into the steam turbine device in, the guiding gutter plays preliminary guide effect, reaches the effect of average pressure, prevents that gaseous internal pressure is unequal, leads to the internal arrangement atress inhomogeneous and receives vibrations.)

1. The utility model provides a dual cycle geothermal energy electricity generation is with anti-vibration steam turbine, includes turbine shell (4), the positive fixedly connected with observation window (2) of turbine shell (4), the surface cover of turbine shell (4) is equipped with truss support plectane (1), the bottom fixedly connected with lock joint base (3) of truss support plectane (1), and lock joint base (3) set up the bottom at turbine shell (4), the middle department cover of turbine shell (4) bottom is equipped with lock joint ring (9), the middle fixedly connected with second guide plate (7) of department of turbine shell (4) inner chamber, the bottom of second guide plate (7) is equipped with air current adjusting device (5), the top fixedly connected with rotary device (8) of air current adjusting device (5), the top regulation of air current adjusting device (5) is connected with first turbine guide plate (6), the method is characterized in that: the air flow adjusting device (5) comprises an adjusting and controlling block (55), the bottom of the adjusting and controlling block (55) is fixedly connected with an air flow guide plate (51), the lower surface of the air flow guide plate (51) is provided with a first guide groove (52), and the top of the adjusting and controlling block (55) is fixedly connected with an anti-vibration device (54);

the anti-vibration device (54) comprises a rotating rod (549), two ends of the rotating rod (549) are respectively and rotatably connected with a first rotating shaft (543) and a second rotating shaft (546), and the outer surface of the second rotating shaft (546) is fixedly connected with a plastic block (548);

rotatory turbine unit (8) are including windage device (84) and turbine block body (81), windage device (84) cover is established in the inside of turbine block body (81), the bottom fixedly connected with spiral clamp plate (82) of windage device (84).

2. The anti-vibration steam turbine for the dual cycle geothermal power generation according to claim 1, wherein: the bottom fixedly connected with cross plate (56) of anti-vibration device (54), the bottom fixedly connected with screens baffle (57) of cross plate (56), the upper surface and the air current baffle (51) looks adaptation of screens baffle (57).

3. The anti-vibration steam turbine for the dual cycle geothermal power generation according to claim 2, wherein: the bottom setting of screens baffle (57) is in the centre department of lock ring (9), the top fixedly connected with backup pad (53) of anti-vibration device (54), and the surface setting of backup pad (53) is in the interval department of first guide plate (6).

4. The anti-vibration steam turbine for the dual cycle geothermal power generation according to claim 3, wherein: the bottom fixedly connected with cardboard (544) of plastic piece (548), the bottom fixed connection of cardboard (544) is at the top of cross plate (56), the top fixedly connected with connecting block (541) of plastic piece (548), the bottom fixedly connected with bradyseism cushion block (547) of connecting block (541) avris.

5. The bi-cycle geothermal power generation anti-vibration steam turbine of claim 4, wherein: the inside rotation of first pivot (543) is connected with fixed axle (542), the both ends fixedly connected with regulation and control piece (55) of fixed axle (542), the depressed part fixed connection of regulation and control piece (55) upper surface has elastic rod (545), the avris department of the one end fixed connection in connecting block (541) bottom that regulation and control piece (55) were kept away from in elastic rod (545).

6. The anti-vibration steam turbine for the dual cycle geothermal power generation according to claim 1, wherein: the inside fixedly connected with third pivot (83) of the block body (81) of turbo wheel, the bottom of third pivot (83) is rotated and is connected the upper surface at connecting block (541), the top of third pivot (83) is rotated and is connected the top at turbo shell (4), the internal surface of spiral clamp plate (82) and the surface looks adaptation of the block body (81) of turbo wheel.

7. The bi-cycle geothermal power generation anti-vibration steam turbine of claim 6, wherein: windage device (84) include knee (841), the surface sliding connection of knee (841) is in the inside of turbo wheel block body (81), the centre department fixedly connected with slider (844) of knee (841) surface, the top fixedly connected with spring (845) of slider (844), the one end fixed connection that slider (844) were kept away from in spring (845) is in the inner wall department of turbo wheel block body (81).

8. The anti-vibration steam turbine for the dual cycle geothermal power generation according to claim 7, wherein: the upper and lower end difference fixedly connected with high-speed wind baffle (846) and low-speed wind baffle (843) of knee (841), the surface fixed connection of low-speed wind baffle (843) is at the surface of spiral clamp plate (82), one side fixedly connected with second guiding gutter (842) of keeping away from knee (841) of low-speed wind baffle (843).

Technical Field

The invention relates to the technical field of geothermal energy power generation, in particular to an anti-vibration steam turbine for double-circulation geothermal energy power generation.

Background

The steam turbine, also known as a steam turbine engine, is a rotary steam power plant in which high-temperature, high-pressure steam is injected onto blades to rotate a rotor having blade rows while applying work to the outside. Steam turbines are the main equipment of modern geothermal power plants and thermal power plants, and are also used in the metallurgical industry, chemical industry, and ship power plants.

Current geothermal energy power generation steam turbine because inside high temperature high pressure steam is behind getting into the steam turbine, and is inhomogeneous to the injection effect of blade, leads to the irregular vibration of blade, and long time can make inside pivot atress inhomogeneous and produce deformation, reduces the steam turbine life-span, and high temperature high pressure steam is when getting into the steam turbine simultaneously, and pressure is inhomogeneous, leads to the steam turbine to produce the power unstability, and the result of use reduces.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides geothermal energy power generation, which solves the problem that the blades are irregularly vibrated by the jetting effect.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an anti-vibration steam turbine for double-circulation geothermal energy power generation comprises a steam turbine shell, wherein the front surface of the steam turbine shell is fixedly connected with an observation window, a truss supporting circular plate is sleeved on the outer surface of the steam turbine shell, the bottom of the truss supporting circular plate is fixedly connected with a buckling base, the buckling base is arranged at the bottom of the steam turbine shell, a buckling ring is sleeved in the middle of the bottom of the steam turbine shell, a second guide plate is fixedly connected in the middle of the inner cavity of the steam turbine shell, an air flow adjusting device is arranged at the bottom of the second guide plate, the top of the air flow adjusting device is fixedly connected with a rotary steam turbine device, the top of the air flow adjusting device is connected with a first guide plate in a specified manner, the air flow adjusting device comprises an adjusting and controlling block, the bottom of the regulating block is fixedly connected with an airflow guide plate, the lower surface of the airflow guide plate is provided with a first guide groove, and the top of the regulating block is fixedly connected with an anti-vibration device;

the anti-vibration device comprises a rotating rod, two ends of the rotating rod are respectively and rotatably connected with a first rotating shaft and a second rotating shaft, and the outer surface of the second rotating shaft is fixedly connected with a plastic block;

the rotary steam turbine device comprises a wind resistance device and a steam turbine block body, the wind resistance device is sleeved inside the steam turbine block body, and a spiral pressing plate is fixedly connected to the bottom end of the wind resistance device.

Preferably, the bottom of the anti-vibration device is fixedly connected with a cross plate, the bottom of the cross plate is fixedly connected with a clamping baffle, and the upper surface of the clamping baffle is matched with the airflow guide plate. The high-temperature and high-pressure gas after the double-circulation process enters a steam turbine device, and the diversion trench plays a primary guiding role to achieve the effect of average pressure and prevent the internal pressure of the gas from being unequal, so that the internal device is not stressed uniformly and is vibrated; the screens baffle carries out single angle spacing to the air current baffle simultaneously, prevents that air current pressure when too big, air current baffle rotation angle is too big, leads to inside high-temperature gas gets into the device to reduce anti-vibration device's life.

Preferably, the bottom of screens baffle sets up in the centre department of lock ring, the top fixedly connected with backup pad of anti-vibration device, and the surface setting of backup pad is in the interval department of first guide plate.

Preferably, the bottom fixedly connected with cardboard of plastic block, the bottom fixed connection of cardboard is at the top of cross, the top fixedly connected with connecting block of plastic block, the bottom fixedly connected with bradyseism cushion of connecting block avris. When the cross plate is pressed by the airflow pressure, the plastic block is extruded by the cross plate, and meanwhile, the shock absorption cushion block reduces the rotatable angle of the rotating rod, so that the flow cross-sectional area of the horizontal plane of the gas is reduced, the flow velocity of the gas is increased, and the impact effect of the gas on the steam turbine is improved.

Preferably, the inside of first pivot is rotated and is connected with the fixed axle, the both ends fixedly connected with regulation and control piece of fixed axle, the elastic rod of regulation and control piece upper surface's depressed place fixedly connected, the avris department of the one end fixed connection in the connecting block bottom that the regulation and control piece was kept away from to the elastic rod. The elastic rod has a stretching effect on the regulating and controlling block, and the upper limit of the flow speed of the high-pressure airflow can be controlled by setting the stretching capacity of the elastic rod; meanwhile, when the steam turbine finishes operation, the elastic rod can stretch the regulating and controlling block to seal the inlet of the steam turbine, so that pollutants are prevented from entering, and the effect of isolating the internal space is achieved.

Preferably, the inside fixedly connected with third pivot of the block body of the turbine, the bottom of third pivot is rotated and is connected the upper surface at the connecting block, the top of third pivot is rotated and is connected the top at the turbine shell, the internal surface of spiral clamp plate and the surface looks adaptation of the block body of the turbine. The gas after high-pressure acceleration impacts the spiral pressing plate, so that the loss of the steam turbine is smaller when the steam turbine starts to operate, and the energy-saving effect is achieved; and meanwhile, the cross section of the spiral pressing plate is large, and when the air flow is stressed unevenly, the spiral pressing plate is attached to the surface of the steam turbine block, so that the rigid damage of uneven stress to the rotary steam turbine device is reduced, and the service life of the device is prolonged.

Preferably, the windage device includes the knee, the surface sliding connection of knee is in the inside of the block body of the turbine, fixedly connected with slider is located to the centre of knee surface, the top fixedly connected with spring of slider, the one end fixed connection that the slider was kept away from to the spring is located the inner wall of the block body of the turbine. Under the effect of spring, when high velocity of flow gas striking windage device's bottom, the spring can reach partial bradyseism effect, and the perk of curved bar top accepts the secondary air current atress rotatory simultaneously, reaches the effect of utilizing the air current many times, improves energy utilization efficiency.

Preferably, the upper end and the lower end of the bent rod are respectively and fixedly connected with a high-speed air baffle and a low-speed air baffle, the outer surface of the low-speed air baffle is fixedly connected to the outer surface of the spiral pressing plate, and one side, far away from the bent rod, of the low-speed air baffle is fixedly connected with a second diversion trench. The inclination angle of the low-speed wind baffle is larger than that of the high-speed wind baffle, and when the steam turbine block rotates at a low speed, the wind resistance area of the low-speed wind baffle is increased under the matching of the spring and the bent rod, so that the rotation speed of the steam turbine block is instantaneously increased; when the turbine block rotates at a high speed, the high-speed wind baffle is matched with the bent rod through the spring, the wind resistance area is reduced, the turbine block is subjected to automatic speed reduction, the rotating speed control effect is achieved, and the output power of the turbine is average.

(III) advantageous effects

The invention provides an anti-vibration steam turbine for double-circulation geothermal energy power generation. The method has the following beneficial effects:

the anti-vibration steam turbine for the double-circulation geothermal energy power generation has the advantages that high-temperature and high-pressure gas after a double-circulation procedure enters a steam turbine device, and the diversion trench plays a primary guiding role, achieves the effect of average pressure, and prevents the internal pressure of the gas from being unequal, so that the internal device is not stressed uniformly and is vibrated; the screens baffle carries out single angle spacing to the air current baffle simultaneously, prevents that air current pressure when too big, air current baffle rotation angle is too big, leads to inside high-temperature gas gets into the device to reduce anti-vibration device's life.

(II), this dual cycle geothermal energy electricity generation is with anti-vibration steam turbine, it is right when cross plate pressurized airflow pressure through, the plastic piece receives the extrusion of cross plate, but the cushion block reduces the rotation angle of rotary rod simultaneously, reduces the flow cross-sectional area of gaseous horizontal plane, increases gaseous velocity of flow, improves the impact effect of gaseous to the steam turbine.

The anti-vibration steam turbine for the double-circulation geothermal energy power generation has a stretching effect on the regulating and controlling block through the elastic rod, and the upper limit of the flow speed of the high-pressure air flow can be controlled by setting the stretching capacity of the elastic rod; meanwhile, when the steam turbine finishes operation, the elastic rod can stretch the regulating and controlling block to seal the inlet of the steam turbine, so that pollutants are prevented from entering, and the effect of isolating the internal space is achieved.

The anti-vibration steam turbine for the dual-cycle geothermal energy power generation has the advantages that the gas accelerated by high pressure impacts the spiral pressing plate, so that the steam turbine has smaller loss when starting to operate, and the energy-saving effect is achieved; and meanwhile, the cross section of the spiral pressing plate is large, and when the air flow is stressed unevenly, the spiral pressing plate is attached to the surface of the steam turbine block, so that the rigid damage of uneven stress to the rotary steam turbine device is reduced, and the service life of the device is prolonged.

(V), this dual cycle geothermal energy electricity generation is with anti-vibration steam turbine, through under the effect of spring, when high velocity of flow gas striking windage device's bottom, the spring can reach partial bradyseism effect, and the stick up in curved bar top accepts the secondary air current atress rotatory simultaneously, reaches the effect of utilizing the air current many times, improves energy utilization efficiency.

When the turbine block rotates at a low speed, the low-speed wind baffle is matched with the bent rod through the spring, so that the wind resistance area is increased, and the rotating speed of the turbine block is instantaneously increased; when the turbine block rotates at a high speed, the high-speed wind baffle is matched with the bent rod through the spring, the wind resistance area is reduced, the turbine block is subjected to automatic speed reduction, the rotating speed control effect is achieved, and the output power of the turbine is average.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic structural view of a portion of the present invention;

FIG. 3 is a schematic structural diagram of an airflow control device according to the present invention;

FIG. 4 is a schematic sectional view of the anti-vibration device of the present invention;

FIG. 5 is a partial schematic view of the anti-vibration device of the present invention;

FIG. 6 is a schematic diagram of a rotary turbine unit according to the present invention;

FIG. 7 is a schematic cross-sectional view of a rotary steam turbine unit according to the present invention.

In the figure: 1. a truss support circular plate; 2. an observation window; 3. fastening a base; 4. a turbine shell; 5. an air flow regulating device; 51. an airflow guide plate; 52. a first diversion trench; 53. a support plate; 54. an anti-vibration device; 541. connecting blocks; 542. a fixed shaft; 543. a first rotating shaft; 544. clamping a plate; 545. an elastic rod; 546. a second rotating shaft; 547. a cushioning cushion block; 548. a plastic block; 549. rotating the rod; 55. a regulatory block; 56. a cross plate; 57. a blocking baffle plate; 6. a first baffle; 7. a second baffle; 8. rotating a steam turbine unit; 81. a turbine block; 82. a spiral pressing plate; 83. a third rotating shaft; 84. a wind resistance device; 841. bending a rod; 842. a second guiding gutter; 843. a low velocity air baffle; 844. a slider; 845. a spring; 846. a high velocity air baffle; 9. a snap ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1-3, the present invention provides a technical solution: an anti-vibration steam turbine for double-circulation geothermal energy power generation comprises a steam turbine shell 4, wherein an observation window 2 is fixedly connected to the front side of the steam turbine shell 4, a truss supporting circular plate 1 is sleeved on the outer surface of the steam turbine shell 4, a fastening base 3 is fixedly connected to the bottom of the truss supporting circular plate 1, the fastening base 3 is arranged at the bottom of the steam turbine shell 4, a fastening ring 9 is sleeved at the middle of the bottom of the steam turbine shell 4, a second guide plate 7 is fixedly connected to the middle of the inner cavity of the steam turbine shell 4, an air flow adjusting device 5 is arranged at the bottom of the second guide plate 7, a rotary steam turbine device 8 is fixedly connected to the top of the air flow adjusting device 5, a first guide plate 6 is fixedly connected to the top of the air flow adjusting device 5, the air flow adjusting device 5 comprises an adjusting block 55, and an air flow guide plate 51 is fixedly connected to the bottom of the adjusting block 55, a first diversion trench 52 is formed in the lower surface of the airflow guide plate 51, and an anti-vibration device 54 is fixedly connected to the top of the regulating block 55;

the bottom of the anti-vibration device 54 is fixedly connected with a cross plate 56, the bottom of the cross plate 56 is fixedly connected with a clamping baffle 57, and the upper surface of the clamping baffle 57 is matched with the airflow guide plate 51. The high-temperature and high-pressure gas after the double-circulation process enters the steam turbine device, and the diversion trench 52 plays a primary guiding role to achieve the effect of average pressure and prevent the internal pressure of the gas from being unequal, so that the internal device is not stressed uniformly and is vibrated; meanwhile, the clamping baffle 57 limits the airflow guide plate 51 at a single angle, and prevents the airflow guide plate 51 from rotating at an excessive angle when the airflow pressure is too high, so that high-temperature gas enters the device, and the service life of the anti-vibration device 54 is shortened.

The bottom of screens baffle 57 sets up in the centre department of lock ring 9, the top fixedly connected with backup pad 53 of anti-vibration device 54, and the surface setting of backup pad 53 is in the interval department of first guide plate 6.

The first embodiment has the following working steps:

step one, high-temperature and high-pressure gas after a double-circulation procedure enters a steam turbine device, and a diversion trench 52 plays a primary guide role to achieve the effect of average pressure and prevent the internal pressure of the gas from being unequal, so that the internal device is not stressed uniformly and is vibrated;

and step two, the clamping baffle 57 limits the airflow guide plate 51 at a single angle, so that the phenomenon that the airflow guide plate 51 rotates at an overlarge angle to cause high-temperature gas to enter the device when the airflow pressure is overlarge is avoided, and the service life of the anti-vibration device 54 is shortened.

Example two

As shown in fig. 4-5, on the basis of the first embodiment, the present invention provides a technical solution: the bottom of plastic piece 548 is fixedly connected with cardboard 544, the bottom of cardboard 544 is fixedly connected at the top of cross 56, the top fixedly connected with connecting block 541 of plastic piece 548, the bottom fixedly connected with bradyseism cushion 547 of connecting block 541 avris. When the cross plate 56 is pressed by the pressure of the air flow, the plastic block 548 is extruded by the cross plate 56, and meanwhile, the shock absorption cushion block 547 reduces the rotatable angle of the rotating rod 549, so that the flow cross-sectional area of the horizontal plane of the air is reduced, the flow velocity of the air is increased, and the impact effect of the air on the steam turbine is improved.

The inside rotation of first pivot 543 is connected with fixed axle 542, the both ends fixedly connected with regulation and control piece 55 of fixed axle 542, the sunken department fixed connection of regulation and control piece 55 upper surface has elastic rod 545, the avris department at connecting block 541 bottom is kept away from the one end fixed connection of regulation and control piece 55 to elastic rod 545. The elastic rod 545 has a stretching effect on the regulating block 55, and the upper limit of the flow rate of the high-pressure air flow can be controlled by setting the stretching capacity of the elastic rod 545; meanwhile, when the operation of the steam turbine is finished, the elastic rod 545 can stretch the regulating and controlling block 55 to seal the inlet of the steam turbine, so that pollutants are prevented from entering the steam turbine, and the effect of isolating the internal space is achieved.

The second embodiment has the following working steps:

step one, when the cross plate 56 is pressed by the pressure of the pressurized airflow, the plastic block 548 is extruded by the cross plate 56, and meanwhile, the shock absorption cushion block 547 reduces the rotatable angle of the rotating rod 549, reduces the flow cross-sectional area of the horizontal plane of the gas, increases the flow velocity of the gas, and improves the impact effect of the gas on the steam turbine.

Step two, the elastic rod 545 has a stretching effect on the regulating block 55, and the upper limit of the flow rate of the high-pressure air flow can be controlled by setting the stretching capacity of the elastic rod 545; meanwhile, when the operation of the steam turbine is finished, the elastic rod 545 can stretch the regulating and controlling block 55 to seal the inlet of the steam turbine, so that pollutants are prevented from entering the steam turbine, and the effect of isolating the internal space is achieved.

EXAMPLE III

As shown in fig. 6-7, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: the inside fixedly connected with third pivot 83 of the block body 81 of the turbine, the bottom of third pivot 83 is rotated and is connected at the upper surface of connecting block 541, the top of third pivot 83 is rotated and is connected at the top of the turbine shell 4, the internal surface of spiral clamp plate 82 and the external surface looks adaptation of the block body 81 of the turbine. The gas after high-pressure acceleration impacts the spiral pressure plate 82, so that the loss of the steam turbine is smaller when the steam turbine starts to operate, and the energy-saving effect is achieved; meanwhile, the cross section of the spiral pressing plate 82 is large, when the airflow is unevenly stressed, the spiral pressing plate 82 is attached to the surface of the steam turbine block 81, the rigid damage of uneven stress to the rotary steam turbine device 8 is reduced, and the service life of the device is prolonged.

The wind resistance device 84 comprises a bent rod 841, the outer surface of the bent rod 841 is slidably connected inside the turbine block 81, a sliding block 844 is fixedly connected to the middle of the outer surface of the bent rod 841, a spring 845 is fixedly connected to the top of the sliding block 844, and one end of the spring 845, far away from the sliding block 844, is fixedly connected to the inner wall of the turbine block 81. Under the effect of spring 845, when high velocity of flow gas strikes the bottom of windage device 84, spring 845 can reach partial bradyseism effect, and curved rod 841 top perk accepts that the secondary current atress is rotatory simultaneously, reaches the effect of utilizing many times the air current, improves energy utilization efficiency.

The upper end and the lower end of the bent rod 841 are fixedly connected with a high-speed air baffle 846 and a low-speed air baffle 843 respectively, the outer surface of the low-speed air baffle 843 is fixedly connected to the outer surface of the spiral pressing plate 82, and one side of the low-speed air baffle 843, which is far away from the bent rod 841, is fixedly connected with a second diversion trench 842. The inclination angle of the low-speed air baffle 843 is larger than that of the high-speed air baffle 846, so that when the steam turbine block 81 rotates at a low speed, the wind resistance area of the low-speed air baffle 843 is increased under the matching of the spring 845 and the bent rod 841, and the rotating speed of the steam turbine block 81 is instantaneously increased; when the block 81 that steamboat is rotated at a high speed, high-speed wind baffle 846 receives the windage area and reduces under the cooperation of spring 845 and knee 841, carries out automatic deceleration to the block 81 that steamboat, reaches the effect of control rotational speed for steam turbine output is average.

The third embodiment has the following working steps:

step one, the gas after high-pressure acceleration impacts the spiral pressure plate 82, so that the loss of the steam turbine is smaller when the steam turbine starts to operate, and the energy-saving effect is achieved; meanwhile, the cross section of the spiral pressing plate 82 is large, when the airflow is unevenly stressed, the spiral pressing plate 82 is attached to the surface of the steam turbine block 81, the rigid damage of uneven stress to the rotary steam turbine device 8 is reduced, and the service life of the device is prolonged.

Step two, under the effect of spring 845, when high-flow-rate gas strikes the bottom of wind resistance device 84, spring 845 can achieve a partial cushioning effect, and meanwhile, the top end of curved rod 841 tilts to receive secondary gas flow stress rotation, so that the effect of recycling gas flow is achieved, and the energy utilization efficiency is improved.

Step three, when the steam turbine block 81 rotates at a low speed, the area of the wind resistance of the low-speed wind baffle 843 is increased under the matching of the spring 845 and the bent rod 841, and the rotating speed of the steam turbine block 81 is instantaneously increased; when the block 81 that steamboat is rotated at a high speed, high-speed wind baffle 846 receives the windage area and reduces under the cooperation of spring 845 and knee 841, carries out automatic deceleration to the block 81 that steamboat, reaches the effect of control rotational speed for steam turbine output is average.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.