阅读说明：本技术 一种用于火力发电的具有调节功能的汽轮机 (Steam turbine with adjusting function for thermal power generation ) 是由 王海山 于 2020-04-22 设计创作，主要内容包括：本发明涉及一种用于火力发电的具有调节功能的汽轮机,包括主体、发电装置、进气管和出气管,还包括除杂机构和调节机构,除杂机构包括滤网、清洁组件和两个传动组件,清洁组件包括第一轴承、转轴、支架、传动单元、传动轴、两个转动单元、两个第二轴承和两个清洁杆,调节机构包括两个盖板、两个限位组件和两个调节组件,调节组件包括连接单元和两个移动单元,移动单元包括第一齿条和第一齿轮,该用于火力发电的具有调节功能的汽轮机通过除杂机构,减小了进入主体内部的气筒内的含杂量,减小了发电装置损坏的几率,提高了设备的安全性,通过调节机构,根据气压实时调节两个盖板之间的距离,从而防止气体进入过大或过小而影响发电装置工作。(The invention relates to a steam turbine with an adjusting function for thermal power generation, which comprises a main body, a power generation device, an air inlet pipe, an air outlet pipe, an impurity removing mechanism and an adjusting mechanism, wherein the impurity removing mechanism comprises a filter screen, a cleaning component and two transmission components, the cleaning component comprises a first bearing, a rotating shaft, a bracket, a transmission unit, a transmission shaft, two rotating units, two second bearings and two cleaning rods, the adjusting mechanism comprises two cover plates, two limiting components and two adjusting components, the adjusting component comprises a connecting unit and two moving units, the moving units comprise a first rack and a first gear, the steam turbine with the adjusting function for thermal power generation reduces impurity content in an air cylinder entering the main body through the impurity removing mechanism, reduces the damage probability of the power generation device, improves the safety of equipment, and adjusts the distance between the two cover plates in real time according to air pressure through the adjusting mechanism, thereby preventing the gas from entering too large or too small to influence the work of the power generation device.)

1. A steam turbine with an adjusting function for thermal power generation comprises a main body (1), a power generation device (2), an air inlet pipe (3) and an air outlet pipe (4), wherein the power generation device (2) is arranged inside the main body (1), the air inlet pipe (3) and the air outlet pipe (4) are respectively arranged on two sides above the main body (1), and the air inlet pipe (3) and the air outlet pipe (4) are both communicated with the main body (1), and the steam turbine is characterized by further comprising an impurity removing mechanism and an adjusting mechanism, wherein the impurity removing mechanism and the adjusting mechanism are both arranged inside the air inlet pipe (3), and the impurity removing mechanism is connected with the adjusting mechanism;

the impurity removing mechanism comprises a filter screen (5), a cleaning component and two transmission components, the filter screen (5) is matched with the air inlet pipe (3), the filter screen (5) is connected with the inner wall of the air inlet pipe (3) in a sealing mode, the two transmission components are connected with two ends of one side, close to the main body (1), of the filter screen (5), the transmission components are connected with the adjusting mechanism, and the cleaning component is arranged on the other side of the filter screen (5);

the cleaning component comprises a first bearing, a rotating shaft (11), a bracket (12), a transmission unit, a transmission shaft (8), two rotating units, two second bearings and two cleaning rods (13), the first bearing and the second bearing are both fixed on one side of the filter screen (5) far away from the main body (1), one end of the rotating shaft (11) is fixedly connected with the inner ring of the first bearing, the other end of the rotating shaft (11) is connected with the transmission shaft (8) through the transmission unit, two ends of the transmission shaft (8) are respectively and fixedly connected with the inner rings of the two second bearings, two ends of the transmission shaft (8) are respectively connected with the two rotating units, the bracket (12) is U-shaped, the support (12) is fixedly connected with the rotating shaft (11), two ends of the support (12) are respectively and fixedly connected with the two cleaning rods (13), and the cleaning rods (13) are abutted against the filter screen (5);

the adjusting mechanism comprises two cover plates (23), two limiting assemblies and two adjusting assemblies, the cover plates (23) correspond to the adjusting assemblies one by one, the adjusting assemblies correspond to the transmission assemblies one by one, the transmission assemblies are connected with the cover plates (23) through the adjusting assemblies, the cover plates (23) are abutted against the top in the main body (1), the cover plates (23) correspond to the limiting assemblies one by one, and the upper parts of the cover plates (23) are connected with the top in the main body (1) through the limiting assemblies;

the adjusting assembly comprises a connecting unit and two moving units, the connecting unit is arranged between the two moving units and connected with the moving units, two grooves are formed in one side, close to the air inlet pipe (3), of the cover plate (23), and the grooves correspond to the moving units one to one;

the moving unit comprises a first rack (22) and a first gear (21), the first rack (22) is fixed at the bottom in the groove, the connecting unit is connected with the first gear (21), and the first gear (21) is connected with the first rack (22) in a meshing manner.

2. The steam turbine with an adjusting function for thermal power generation according to claim 1, characterized in that the rotating unit comprises a second gear (7) and a second rack (6), the second rack (6) is fixedly connected with the inner wall of the intake pipe (3), the second gear (7) is fixedly connected with the transmission shaft (8), and the second gear (7) is engaged with the second rack (6).

3. The steam turbine with a regulating function for thermal power generation according to claim 1, wherein the transmission unit comprises a first bevel gear (9) and a second bevel gear (10), the first bevel gear (9) is fixed on the transmission shaft (8), the second bevel gear (10) is fixedly connected with an inner ring of the rotating shaft (11) far away from the first bearing, and the first bevel gear (9) is meshed with the second bevel gear (10).

4. The steam turbine with the adjusting function for thermal power generation according to claim 1, wherein the transmission assembly comprises a support rod (14), a screw rod (16), a ball screw bearing (15), a spring (17) and two third bearings, the third bearings are fixed on the inner wall of the air inlet pipe (3), two ends of the screw rod (16) are respectively and fixedly connected with inner rings of the two third bearings, the ball screw bearing (15) is sleeved on the screw rod (16), a joint of the ball screw bearing (15) and the screw rod (16) is provided with a thread matched with the screw rod (16), the support rod (14) is U-shaped, two ends of the support rod (14) are both fixedly connected with the filter screen (5), the support rod (14) is provided with a through hole, an outer ring of the ball screw bearing (15) is fixedly connected with the inner wall of the through hole, one end of the screw rod (16) close to the main body (1) is connected with the connecting unit, and two ends of the spring (17) are respectively connected with an outer ring of a third bearing close to the main body (1) and the supporting rod (14).

5. The steam turbine with an adjusting function for thermal power generation according to claim 4, wherein the connecting unit includes a connecting shaft (20), a worm wheel (19), a worm (18) and two fourth bearings, the fourth bearings are fixed on the inner wall of the air inlet pipe (3), two ends of the connecting shaft (20) are respectively and fixedly connected with inner rings of the two fourth bearings, the worm wheel (19) and the first gear (21) are both fixed on the connecting shaft (20), the worm wheel (19) is arranged between the two first gears (21), the worm (18) is fixedly connected with the screw rod (16), the worm wheel (19) is engaged with the worm (18), and the worm (18) is coaxially arranged with the screw rod (16).

6. The steam turbine with the adjusting function for thermal power generation according to claim 1, wherein the limiting assembly comprises two limiting blocks (24), the two limiting blocks (24) are respectively fixed at two sides of the upper portion of the cover plate (23), four strip-shaped grooves are formed in the top of the main body (1), the strip-shaped grooves correspond to the limiting blocks (24) one to one, the limiting blocks (24) are arranged inside the strip-shaped grooves, the limiting blocks (24) are matched with the strip-shaped grooves, and the limiting blocks (24) are slidably connected with the strip-shaped grooves.

7. A steam turbine with an adjustment function for thermal power generation according to claim 6, wherein the strip-shaped groove is a dovetail groove.

8. The steam turbine with the adjusting function for thermal power generation according to claim 7, wherein a side of the limiting block (24) far away from the cover plate (23) is uniformly provided with a notch, a ball (25) is arranged in the notch, a center of the ball (25) is arranged inside the notch, and the ball (25) abuts against an inner wall of the strip-shaped groove.

9. The steam turbine with a steam adjusting function for thermal power generation according to claim 4, characterized in that the screw (16) is coated with grease.

10. Steam turbine with regulating function for thermal power generation according to claim 1, characterized in that the side of the cleaning rod (13) near the sieve (5) is provided with a brush.

Technical Field

The invention relates to the field of thermal power generation, in particular to a steam turbine with an adjusting function for thermal power generation.

Background

The steam turbine is also called as a steam turbine engine, and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. Steam turbines are the main equipment of modern thermal power plants, and are also used in the metallurgical industry, chemical industry and ship power plants.

The size of air input is difficult to control in the place that admits air to current steam turbine influences power generation facility's generating efficiency, has reduced the practicality of current steam turbine, and moreover, current steam turbine inhales some impurity easily when admitting air, thereby has increased the probability of current steam turbine damage, has reduced the practicality of current steam turbine.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a steam turbine with a regulating function for thermal power generation is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a steam turbine with an adjusting function for thermal power generation comprises a main body, a power generation device, an air inlet pipe and an air outlet pipe, wherein the power generation device is arranged inside the main body;

the impurity removing mechanism comprises a filter screen, a cleaning component and two transmission components, the filter screen is matched with the air inlet pipe, the filter screen is hermetically connected with the inner wall of the air inlet pipe, the two transmission components are connected with two ends of one side of the filter screen, which is close to the main body, the transmission components are connected with the adjusting mechanism, and the cleaning component is arranged on the other side of the filter screen;

the cleaning assembly comprises a first bearing, a rotating shaft, a support, a transmission unit, a transmission shaft, two rotating units, two second bearings and two cleaning rods, wherein the first bearing and the second bearing are fixed on one side of the filter screen, which is far away from the main body, one end of the rotating shaft is fixedly connected with an inner ring of the first bearing, the other end of the rotating shaft is connected with the transmission shaft through the transmission unit, two ends of the transmission shaft are respectively fixedly connected with inner rings of the two second bearings, two ends of the transmission shaft are respectively connected with the two rotating units, the support is U-shaped, the support is fixedly connected with the rotating shaft, two ends of the support are respectively fixedly connected with the two cleaning rods, and the cleaning rods are abutted against the filter screen;

the adjusting mechanism comprises two cover plates, two limiting assemblies and two adjusting assemblies, the cover plates correspond to the adjusting assemblies one by one, the adjusting assemblies correspond to the transmission assemblies one by one, the transmission assemblies are connected with the cover plates through the adjusting assemblies, the cover plates abut against the tops in the main body, the cover plates correspond to the limiting assemblies one by one, and the upper portions of the cover plates are connected with the tops in the main body through the limiting assemblies;

the adjusting assembly comprises a connecting unit and two moving units, the connecting unit is arranged between the two moving units and connected with the moving units, two grooves are formed in one side, close to the air inlet pipe, of the cover plate, and the grooves correspond to the moving units one to one;

the moving unit comprises a first rack and a first gear, the first rack is fixed at the bottom in the groove, the connecting unit is connected with the first gear, and the first gear is meshed with the first rack.

Preferably, in order to drive the transmission shaft to rotate, the rotating unit comprises a second gear and a second rack, the second rack is fixedly connected with the inner wall of the air inlet pipe, the second gear is fixedly connected with the transmission shaft, and the second gear is meshed with the second rack.

Preferably, in order to drive the transmission shaft to rotate, the transmission unit includes a first bevel gear and a second bevel gear, the first bevel gear is fixed on the transmission shaft, the second bevel gear is fixedly connected with an inner ring of the rotating shaft, the inner ring is far away from the first bearing, and the first bevel gear is engaged with the second bevel gear.

As preferred, for the transmission power, transmission assembly includes branch, lead screw, ball bearing, spring and two third bearings, the third bearing is fixed on the inner wall of intake pipe, the both ends of lead screw respectively with the inner circle fixed connection of two third bearings, ball bearing cover is established on the lead screw, ball bearing's the junction with the lead screw is equipped with the screw thread that matches with the lead screw, the shape of branch is the U-shaped, the both ends of branch all with filter screen fixed connection, be equipped with the perforation on the branch, ball bearing's outer lane and fenestrate inner wall fixed connection, the one end and the linkage unit that are close to the main part of lead screw are connected, the both ends of spring are connected with the outer lane and the branch that are close to the third bearing of main part respectively.

As preferred, in order to drive the apron and remove, the linkage unit includes connecting axle, worm wheel, worm and two fourth bearings, the fourth bearing is fixed on the inner wall of intake pipe, the both ends of connecting axle respectively with the inner circle fixed connection of two fourth bearings, worm wheel and first gear are all fixed on the connecting axle, the worm wheel sets up between two first gears, worm and lead screw fixed connection, worm wheel and worm meshing, the worm sets up with the lead screw is coaxial.

As preferred, for the moving direction of restriction apron, spacing subassembly includes two stoppers, and two stoppers are fixed respectively in the both sides of the top of apron, top in the main part is equipped with four bar grooves, bar groove and stopper one-to-one, the stopper sets up the inside in bar groove, stopper and bar groove match, stopper and bar groove sliding connection.

Preferably, in order to prevent the stop block from being separated from the strip-shaped groove, the strip-shaped groove is a dovetail groove.

Preferably, in order to reduce friction force, a notch is uniformly formed in one side, away from the cover plate, of the limiting block, a ball is arranged in the notch, the center of the ball is arranged inside the notch, and the ball abuts against the inner wall of the strip-shaped groove.

Preferably, the screw is coated with grease in order to make the ball screw bearing move smoothly.

Preferably, in order to improve the cleaning effect, a brush is arranged on one side of the cleaning rod, which is close to the filter screen.

The steam turbine with the adjusting function for thermal power generation has the advantages that the impurity removing function is realized through the impurity removing mechanism, the impurity content in the air cylinder entering the main body is reduced, thereby reducing the damage probability of the power generation device, improving the safety of the equipment, compared with the prior impurity removal mechanism, the impurity removing mechanism can clean the filter screen, reduce the probability of filter screen blockage, limit the moving direction of the filter screen while transmitting power through the transmission component, improve the stability of the filter screen during moving, adjust the distance between the two cover plates in real time according to air pressure through the adjusting mechanism, thereby preventing the gas from entering too large or too small to influence the work of the generating set, this adjustment mechanism and edulcoration mechanism link gear as an organic whole all need not electric drive, and more energy-conservation has improved the practicality of equipment.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of a steam turbine with a governor function for thermal power generation of the present invention;

FIG. 2 is a schematic structural diagram of an impurity removing mechanism of a steam turbine with a regulating function for thermal power generation of the present invention;

FIG. 3 is a side view of an adjustment assembly of the steam turbine with adjustment for thermal power generation of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

in the figure: 1. the automatic cleaning device comprises a main body, 2. a power generation device, 3. an air inlet pipe, 4. an air outlet pipe, 5. a filter screen, 6. a second rack, 7. a second gear, 8. a transmission shaft, 9. a first bevel gear, 10. a second bevel gear, 11. a rotating shaft, 12. a support, 13. a cleaning rod, 14. a support rod, 15. a ball screw bearing, 16. a screw rod, 17. a spring, 18. a worm, 19. a worm wheel, 20. a connecting shaft, 21. a first gear, 22. a first rack, 23. a cover plate, 24. a limiting block and 25. balls.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a steam turbine with an adjusting function for thermal power generation comprises a main body 1, a power generation device 2, an air inlet pipe 3 and an air outlet pipe 4, wherein the power generation device 2 is arranged inside the main body 1, the air inlet pipe 3 and the air outlet pipe 4 are respectively arranged on two sides above the main body 1, the air inlet pipe 3 and the air outlet pipe 4 are both communicated with the main body 1, the steam turbine further comprises an impurity removing mechanism and an adjusting mechanism, the impurity removing mechanism and the adjusting mechanism are both arranged inside the air inlet pipe 3, and the impurity removing mechanism is connected with the adjusting mechanism;

p L C, a programmable logic controller, which employs a programmable memory of a type for storing therein a program for executing user-oriented instructions such as logical operations, sequence control, timing, counting, and arithmetic operations, and controlling various types of machines or production processes by digital or analog input/output, is essentially a computer dedicated to industrial control, whose hardware configuration is substantially the same as that of a microcomputer, and is generally used for data processing and instruction reception and output for realizing central control.

This a steam turbine that is used for thermal power generation and has regulatory function passes through edulcoration mechanism, has realized the function of edulcoration, has reduced the impurity content that gets into in the inside inflator of main part 1 to reduce the probability that power generation facility 2 damaged, improved the security of equipment, through regulatory mechanism, can adjust the distance between two apron 23 in real time according to atmospheric pressure, thereby prevent that gas from getting into too big or undersize and influencing power generation facility 2 work.

As shown in fig. 2, the impurity removing mechanism comprises a filter screen 5, a cleaning component and two transmission components, the filter screen 5 is matched with the air inlet pipe 3, the filter screen 5 is connected with the inner wall of the air inlet pipe 3 in a sealing manner, the two transmission components are connected with two ends of one side, close to the main body 1, of the filter screen 5, the transmission components are connected with the adjusting mechanism, and the cleaning component is arranged on the other side of the filter screen 5;

the cleaning assembly comprises a first bearing, a rotating shaft 11, a support 12, a transmission unit, a transmission shaft 8, two rotating units, two second bearings and two cleaning rods 13, wherein the first bearing and the second bearing are fixed on one side, far away from the main body 1, of the filter screen 5, one end of the rotating shaft 11 is fixedly connected with an inner ring of the first bearing, the other end of the rotating shaft 11 is connected with the transmission shaft 8 through the transmission unit, two ends of the transmission shaft 8 are fixedly connected with inner rings of the two second bearings respectively, two ends of the transmission shaft 8 are connected with the two rotating units respectively, the support 12 is U-shaped, the support 12 is fixedly connected with the rotating shaft 11, two ends of the support 12 are fixedly connected with the two cleaning rods 13 respectively, and the cleaning rods 13 are abutted against the filter screen 5;

the gas enters the inside of the main body 1 through the air inlet pipe 3, so that the power generation device 2 works to realize the function of power generation, the function of impurity removal is realized by arranging the filter screen 5, the impurity content in an air cylinder entering the inside of the main body 1 is reduced, the damage probability of the power generation device 2 is reduced, the safety of the equipment is improved, when the gas enters the inside of the air inlet pipe 3, the gas gives a force to the filter screen 5 towards the direction close to the main body 1, so that the filter screen 5 moves towards the direction close to the main body 1, the filter screen 5 drives the transmission shaft 8 to move through the second bearing when moving, the transmission shaft 8 is driven to rotate through the rotating unit, the rotating shaft 11 is driven to rotate through the transmission unit, so that the cleaning rod 13 is driven to rotate, the function of cleaning the filter screen 5 is realized, the blockage probability of the filter screen 5 is reduced, the practicability of the equipment is improved, and, the adjusting mechanism works, the adjusting function is realized, meanwhile, the moving direction of the filter screen 5 can be limited through the transmission assembly, and the stability of the filter screen 5 during moving is improved.

As shown in fig. 2-3, the adjusting mechanism includes two cover plates 23, two limiting assemblies and two adjusting assemblies, the cover plates 23 correspond to the adjusting assemblies one by one, the adjusting assemblies correspond to the transmission assemblies one by one, the transmission assemblies are connected with the cover plates 23 through the adjusting assemblies, the cover plates 23 abut against the top in the main body 1, the cover plates 23 correspond to the limiting assemblies one by one, and the upper parts of the cover plates 23 are connected with the top in the main body 1 through the limiting assemblies;

the adjusting assembly comprises a connecting unit and two moving units, the connecting unit is arranged between the two moving units and connected with the moving units, two grooves are formed in one side, close to the air inlet pipe 3, of the cover plate 23, and the grooves correspond to the moving units one to one;

the moving unit comprises a first rack 22 and a first gear 21, the first rack 22 is fixed at the bottom in the groove, the connecting unit is connected with the first gear 21, and the first gear 21 is connected with the first rack 22 in a meshing manner.

The transmission assembly during operation drives the linkage unit work, make first gear 21 rotate, through the meshing of first gear 21 and first rack 22, make two apron 23 remove to the direction that is close to each other, if get into the inside atmospheric pressure of intake pipe 3 when great, the distance that filter screen 5 removed is just big, make the distance between two apron 23 just littleer, thereby can adjust the distance between two apron 23 according to atmospheric pressure in real time, thereby prevent that gas from getting into too big or undersize and influencing power generation facility 2 work.

Preferably, in order to drive the transmission shaft 8 to rotate, the rotating unit includes a second gear 7 and a second rack 6, the second rack 6 is fixedly connected with the inner wall of the air inlet pipe 3, the second gear 7 is fixedly connected with the transmission shaft 8, and the second gear 7 is engaged with the second rack 6.

Preferably, in order to drive the transmission shaft 8 to rotate, the transmission unit comprises a first bevel gear 9 and a second bevel gear 10, the first bevel gear 9 is fixed on the transmission shaft 8, the second bevel gear 10 is fixedly connected with an inner ring of the rotating shaft 11 far away from the first bearing, and the first bevel gear 9 is meshed with the second bevel gear 10.

When the filter screen 5 moves, the transmission shaft 8 is driven to move through the second bearing, so that the second gear 7 is driven to move along the second rack 6, the second gear 7 is driven to rotate, the transmission shaft 8 is driven to rotate, the first bevel gear 9 is driven to rotate, the rotating shaft 11 is driven to rotate through the engagement of the first bevel gear 9 and the second bevel gear 10, the cleaning rod 13 is driven to rotate, the function of cleaning the filter screen 5 is realized, the probability of blockage of the filter screen 5 is reduced, and the practicability of the equipment is improved.

As preferred, for the transmission power, transmission assembly includes branch 14, lead screw 16, ball bearing 15, spring 17 and two third bearings, the third bearing is fixed on the inner wall of intake pipe 3, the both ends of lead screw 16 respectively with the inner circle fixed connection of two third bearings, ball bearing 15 cover is established on lead screw 16, ball bearing 15 is equipped with the screw thread that matches with lead screw 16 with the junction of lead screw 16, branch 14's shape is the U-shaped, the both ends of branch 14 all with filter screen 5 fixed connection, be equipped with the perforation on branch 14, ball bearing 15's outer lane and fenestrate inner wall fixed connection, the one end and the coupling unit that are close to main part 1 of lead screw 16 are connected, spring 17's both ends are connected with the outer lane and the branch 14 that are close to the third bearing of main part 1 respectively.

Preferably, in order to drive the cover plate 23 to move, the connecting unit includes a connecting shaft 20, a worm wheel 19, a worm 18 and two fourth bearings, the fourth bearings are fixed on the inner wall of the air inlet pipe 3, two ends of the connecting shaft 20 are respectively fixedly connected with inner rings of the two fourth bearings, the worm wheel 19 and the first gear 21 are both fixed on the connecting shaft 20, the worm wheel 19 is arranged between the two first gears 21, the worm 18 is fixedly connected with the screw rod 16, the worm wheel 19 is meshed with the worm 18, and the worm 18 and the screw rod 16 are coaxially arranged.

When air enters the main body 1 through the air inlet pipe 3, the filter screen 5 moves towards the direction close to the main body 1, the ball screw bearing 15 is driven by the support rod 14 to move downwards along the screw rod 16, so that the screw rod 16 rotates, meanwhile, the spring 17 is compressed, the screw rod 16 drives the worm 18 to rotate when rotating, the worm wheel 19 is enabled to rotate through the meshing of the worm wheel 19 and the worm 18, thereby driving the connecting shaft 20 to rotate, so that the first gear 21 rotates, through the meshing of the first gear 21 and the first rack 22, the two cover plates 23 are moved towards the direction of approaching each other, if the air pressure entering the air inlet pipe 3 is larger, the moving distance of the filter screen 5 is larger, so that the distance between the two cover plates 23 is smaller, therefore, the distance between the two cover plates 23 can be adjusted in real time according to the air pressure, and the phenomenon that the air enters too large or too small to influence the work of the power generation device 2 is avoided. When the filter screen 5 moves, the supporting rod 14 and the ball screw bearing 15 move along the screw rod 16, so that the moving direction of the filter screen 5 is limited, and the filter screen 5 cannot rotate when moving by arranging the two transmission assemblies, so that the stability of the filter screen 5 when moving is improved.

As shown in fig. 4, spacing subassembly includes two stopper 24, and two stopper 24 are fixed respectively in the both sides of the top of apron 23, top in the main part 1 is equipped with four bar grooves, bar groove and stopper 24 one-to-one, stopper 24 sets up the inside in bar groove, stopper 24 matches with the bar groove, stopper 24 and bar groove sliding connection.

Preferably, in order to prevent the stopper 24 from being separated from the strip-shaped groove, the strip-shaped groove is a dovetail groove.

Preferably, in order to reduce the friction force, a notch is uniformly formed in one side of the limiting block 24, which is far away from the cover plate 23, a ball 25 is arranged in the notch, the center of the ball 25 is arranged inside the notch, and the ball 25 abuts against the inner wall of the strip-shaped groove.

When apron 23 removed, drive stopper 24 and remove along the bar groove to restricted apron 23's moving direction, more stable when making apron 23 remove has reduced the frictional force between stopper 24 and the bar groove through setting up ball 25, makes more smooth when stopper 24 removes along the bar groove.

Preferably, in order to make the ball screw bearing 15 move smoothly, the screw 16 is coated with grease, so that the friction between the ball screw bearing 15 and the screw 16 is reduced, and the ball screw bearing 15 moves more smoothly along the screw 16.

Preferably, in order to improve the cleaning effect, a brush is arranged on one side of the cleaning rod 13 close to the filter screen 5.

The gas enters the inside of the main body 1 through the gas inlet pipe 3, so that the power generation device 2 works to realize the function of power generation, the function of impurity removal is realized by arranging the filter screen 5, the impurity content in a gas cylinder entering the inside of the main body 1 is reduced, the damage probability of the power generation device 2 is reduced, and the safety of equipment is improved, when the gas enters the inside of the gas inlet pipe 3, the gas gives a force to the filter screen 5 towards the direction close to the main body 1, so that the filter screen 5 moves towards the direction close to the main body 1, when the filter screen 5 moves, the transmission shaft 8 is driven to move through the second bearing when the filter screen 5 moves, so that the second gear 7 is driven to move along the second rack 6, the second gear 7 rotates, so that the transmission shaft 8 is driven to rotate, the first bevel gear 9 rotates, and the rotating shaft 11 rotates through the meshing of the first bevel gear 9 and the second, thereby driving the cleaning rod 13 to rotate, realizing the function of cleaning the filter screen 5, reducing the probability of blockage of the filter screen 5, improving the practicability of the equipment, when the filter screen 5 moves, the ball screw bearing 15 is driven by the support rod 14 to move downwards along the screw rod 16, so that the screw rod 16 rotates, meanwhile, the spring 17 is compressed, the screw rod 16 drives the worm 18 to rotate when rotating, the worm wheel 19 is enabled to rotate through the meshing of the worm wheel 19 and the worm 18, thereby driving the connecting shaft 20 to rotate, so that the first gear 21 rotates, through the meshing of the first gear 21 and the first rack 22, the two cover plates 23 are moved towards the direction of approaching each other, if the air pressure entering the air inlet pipe 3 is larger, the moving distance of the filter screen 5 is larger, so that the distance between the two cover plates 23 is smaller, therefore, the distance between the two cover plates 23 can be adjusted in real time according to the air pressure, and the phenomenon that the air enters too large or too small to influence the work of the power generation device 2 is avoided. When the filter screen 5 moves, the supporting rod 14 and the ball screw bearing 15 move along the screw rod 16, so that the moving direction of the filter screen 5 is limited, and the filter screen 5 cannot rotate when moving by arranging the two transmission assemblies, so that the stability of the filter screen 5 when moving is improved.

Compared with the prior art, the steam turbine with the adjusting function for thermal power generation realizes the function of impurity removal through the impurity removing mechanism, reduces the impurity content in an air cylinder entering the main body 1, thereby reducing the damage probability of the power generation device 2 and improving the safety of equipment, compared with the prior impurity removing mechanism, the impurity removing mechanism can clean the filter screen 5, reduce the blockage probability of the filter screen 5, limit the moving direction of the filter screen 5 while transmitting power through the transmission assembly, improve the stability when the filter screen 5 moves, adjust the distance between the two cover plates 23 in real time according to the air pressure through the adjusting mechanism, thereby preventing the gas from entering too large or too small to influence the work of the power generation device 2, compared with the prior adjusting mechanism, the adjusting mechanism and the impurity removing mechanism are integrated into a linkage mechanism, do not need electric drive, save more energy, the practicability of the equipment is improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.