CN217785170U

CN217785170U - Power plant's boiler steam soot blower

Info

Publication number: CN217785170U
Application number: CN202221663253.3U
Authority: CN
Inventors: 孙晓明; 吕伟
Original assignee: Inner Mongolia Shangdu Power Generation Co Ltd
Current assignee: Inner Mongolia Shangdu Power Generation Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-11
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a power boiler steam soot blower relates to steam soot blower technical field, this power boiler steam soot blower, including frame, steam nozzle, gear motor and guide nut, gear motor fixed connection is at the top of frame, steam nozzle sets up the side in the frame, guide nut sets up in the inside of frame, and the top fixedly connected with guard shield of frame, gear motor's output shaft run through the guard shield and the fixed cover has connect driving pulley, and guide nut's fixed surface has connect from the driven pulleys, driving pulley and from the driven pulleys's the surface all with high temperature resistant belt's inner wall swing joint. The utility model discloses a set up high temperature resistant belt, square pole, spring and gyro wheel to solve common power boiler steam soot blower when using, the transmission is steady inadequately when chain drive carries out the transmission, and transmission department does not possess straining device and carries out the tensioning, reduces the problem of the operation stationarity of guide nut department.

Description

Power plant's boiler steam soot blower

Technical Field

The utility model relates to a steam soot blower technical field specifically is a power plant's boiler steam soot blower.

Background

The steam soot blower of the power plant boiler is a hearth soot blower, a frame of the hearth soot blower is fixed on the side face of the power plant boiler to realize the installation and fixation of the hearth soot blower, the hearth soot blower is used for sweeping the wall surface of a water cooling wall of the boiler, a speed reducing motor on the hearth soot blower drives a guide nut to rotate through a chain transmission mechanism, the guide nut drives a spiral pipe to move axially, a steam spray head is installed at the front end of the spiral pipe, the spiral pipe drives the steam spray head to extend into the boiler when moving axially, the spiral pipe is driven to rotate by the guide nut after being completely screwed into the guide nut, the spiral pipe does not move at the moment, a cam disc installed at the rear end of the spiral pipe extrudes a lever, a valve rod drives a soot blower valve to open through a valve rod, steam enters the steam spray head through an inner pipe and is sprayed out of the steam spray head from the steam spray nozzle while rotating to realize the steam soot blowing on the wall surface of the water cooling wall of the boiler, after the steam soot blowing is finished, the output shaft of the speed reducing motor rotates reversely, the guide nut drives the spiral pipe to rotate reversely, the spiral pipe through the chain transmission mechanism, the spiral pipe drives the spiral pipe to move reversely, the cam disc release lever to close the soot blower valve, and the steam spray head to retract.

When the common power plant boiler steam soot blower is used, the speed reduction motor drives the guide nut to rotate through the chain transmission mechanism, but the transmission is not stable enough when the transmission is carried out through the chain transmission mechanism, and the transmission part does not have the tensioning mechanism to carry out tensioning, so that the running stability of the guide nut is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a power boiler steam soot blower possesses the advantage that improves the operating stability of guide nut department to solve common power boiler steam soot blower when using, the transmission is steady inadequately when chain drive carries out the transmission, and transmission department does not possess straining device and carries out the tensioning, reduces the problem of the operating stability of guide nut department.

For the purpose that realizes the operation stationarity that improves the guide nut department, the utility model provides a following technical scheme: the utility model provides a power boiler steam soot blower, includes frame, steam nozzle, gear motor and leading nut, gear motor fixed connection is at the top of frame, steam nozzle sets up the side in the frame, leading nut sets up the inside in the frame, the top fixedly connected with guard shield of frame, gear motor's output shaft runs through the guard shield and fixed the cover has connect driving pulley, leading nut's fixed surface has connect driven pulley, driving pulley and driven pulley's surface all with the inner wall swing joint of high temperature resistant belt, the fixed surface of high temperature resistant belt is connected with the thickening layer, the inside of guard shield is provided with straining device, straining device includes the square box, square box fixed connection is at the inner wall of guard shield, the square box is located inside the opening that the frame top was seted up, the inner wall of square box respectively with the sliding surface connection of square and square pole, the opposite face of square and square pole respectively with the both ends fixed connection of spring, the end swing joint of square pole has the gyro wheel, the surface of gyro wheel and the surface swing joint of thickening layer, the side fixedly connected with the internal thread cover of side of internal thread of square, the internal thread of bolt and the nut are connected in proper order the side of bolt.

As a preferred technical scheme of the utility model, the inner wall fixedly connected with bulge loop of high temperature resistant belt, the inner wall of bulge loop respectively with driving pulley and driven pulleys's surface swing joint.

As an optimal technical scheme of the utility model, the equal fixedly connected with ring in surface of driving pulley and driven pulleys, the ring channel has been seted up to the inner wall of bulge loop, the surface of ring and the inner wall swing joint of ring channel.

As a preferred technical scheme of the utility model, the ring is isosceles trapezoid, the shape looks adaptation of the shape of ring channel and ring.

As a preferred technical scheme of the utility model, the inside of thickening layer is provided with the steel band, the quantity of steel band is four.

As a preferred technical scheme of the utility model, the tip fixedly connected with connecting seat of square bar, the gyro wheel activity is cup jointed on connecting seat inner wall fixed connection's circle axle surface.

Compared with the prior art, the utility model provides a power boiler steam soot blower possesses following beneficial effect:

1. this power boiler steam soot blower, through setting up high temperature resistant belt, the square bar, spring and gyro wheel, when using, the cover has driving pulley on gear motor's output shaft, the cover has driven pulley on the guide nut, driving pulley is connected with driven pulley through high temperature resistant belt, utilize simultaneously the elasticity of among the straining device spring to drive the gyro wheel through the square bar and extrude high temperature resistant belt, take up high temperature resistant belt, change chain drive into belt drive mechanism, and take up high temperature resistant belt, the effect of the operation stationarity of guide nut department has been reached, thereby improve the operation stationarity of furnace soot blower, when using with solving common power boiler steam soot blower, the transmission is steady inadequately when chain drive mechanism carries out the transmission, and transmission department does not possess straining device and takes up, reduce the problem of the operation stationarity of guide nut department.

2. This power boiler steam soot blower through setting up bulge loop and ring, when using, the bulge loop increases high temperature resistant belt and driving pulley and driven pulleys's area of contact, and the ring increases bulge loop and driving pulley and driven pulleys, improves high temperature resistant belt and driving pulley and driven pulleys's area of contact through the cooperation of bulge loop and ring to further make the transmission of high temperature resistant belt at the operation in-process more steady.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front cross-sectional view of the present invention showing the position of the protective cover;

fig. 3 is an enlarged view of the structure a in fig. 2 according to the present invention;

fig. 4 is an enlarged view of the structure at B in fig. 2 according to the present invention;

fig. 5 is a left sectional view of the position of the high temperature resistant belt of the present invention.

In the figure: 1. a frame; 2. a steam spray head; 3. a reduction motor; 4. a guide nut; 5. a shield; 6. a driving pulley; 7. a driven pulley; 8. a high temperature resistant belt; 9. a tensioning mechanism; 901. a square box; 902. a square block; 903. a square bar; 904. a spring; 905. a roller; 906. an internal thread sleeve; 907. a bolt; 908. a nut; 909. a connecting seat; 10. thickening the layer; 11. a convex ring; 12. a circular ring; 13. an annular groove; 14. a steel strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model discloses a steam soot blower of a power plant boiler, which comprises a frame 1, a steam nozzle 2, a speed reducing motor 3 and a guide nut 4, wherein the speed reducing motor 3 is fixedly connected at the top of the frame 1, the steam nozzle 2 is arranged at the side of the frame 1, the steam nozzle 2 is connected with a spiral pipe in the frame 1, the guide nut 4 is arranged in the frame 1, the guide nut 4 is connected in the frame 1 through a shaft seat, the top of the frame 1 is fixedly connected with a shield 5, the shield 5 can be fixed on the frame 1 through screws, the left side of the shield 5 is in an open shape, the shield 5 is made of a copolyester plate, is transparent and resistant to high temperature, through the transparent shield 5 and the opening at the left side of the shield 5, a person can know the tensioning degree of a high temperature resistant belt 8 conveniently, the output shaft of the speed reducing motor 3 penetrates through the shield 5 and is fixedly sleeved with a driving belt wheel 6, the surface of the guide nut 4 is fixedly sleeved with a driven belt wheel 7, the surfaces of the driving belt wheel 6 and the driven belt wheel 7 are movably connected with the inner wall of a high-temperature resistant belt 8, the high-temperature resistant belt 8 is made of chloroprene rubber, the surface of the high-temperature resistant belt 8 is fixedly connected with a thickening layer 10, a tensioning mechanism 9 is arranged in the shield 5, the tensioning mechanism 9 is used for adjusting the tensioning degree of the high-temperature resistant belt 8, so that the guide nut 4 operates more stably, the movement of a spiral pipe in the rack 1 is more stable, the tensioning mechanism 9 comprises a square box 901, the square box 901 is positioned at the rear side of the high-temperature resistant belt 8, the square box 901 is fixedly connected with the inner wall of the shield 5, the square box 901 is positioned in a notch formed in the top of the rack 1, the inner wall of the square box 901 is respectively connected with the surfaces of a square 902 and a square rod 903 in a sliding manner, and the opposite surfaces of the square 902 and the square rod 903 are respectively fixedly connected with the two ends of a spring 904, the end of the square rod 903 is movably connected with a roller 905, the surface of the roller 905 is movably connected with the surface of the thickening layer 10, the side surface of the shield 5 is fixedly connected with an internal thread sleeve 906, the inner wall of the internal thread sleeve 906 is in threaded connection with the surface of a bolt 907, the end of the bolt 907 sequentially penetrates through the shield 5 and the square box 901 and is movably connected with the side surface of the square 902, the bolt 907 can be connected with the square 902 through a connecting shaft, the connecting shaft is movably connected with the left side of the square 902 and is fixed at the end of the bolt 907, the diameter of the connecting shaft inside the square 902 is larger than the diameter of the connecting part of the connecting shaft and the bolt 907, so that the connecting shaft can rotate in the square 902 and cannot be separated from the square 902, the square 902 can be driven to move by rotating the bolt 907, the surface of the bolt 907 is in threaded connection with the inner wall of a nut 908, and the side surface of the nut 908 is movably connected with the side surface of the internal thread sleeve 906.

Specifically, the inner wall of the high-temperature resistant belt 8 is fixedly connected with a convex ring 11, and the inner wall of the convex ring 11 is movably connected with the surfaces of the driving belt wheel 6 and the driven belt wheel 7 respectively.

In this embodiment, the convex ring 11 increases the contact area between the high temperature resistant belt 8 and the driving pulley 6 and the driven pulley 7, so that the connection between the high temperature resistant belt 8 and the driving pulley 6 and the driven pulley 7 is tighter, and the transmission of the high temperature resistant belt 8 is more stable.

Specifically, the surfaces of the driving belt wheel 6 and the driven belt wheel 7 are fixedly connected with a circular ring 12, the inner wall of the convex ring 11 is provided with a circular groove 13, and the surface of the circular ring 12 is movably connected with the inner wall of the circular groove 13.

In this embodiment, the contact area between the protruding ring 11 and the driving pulley 6 and the driven pulley 7 is increased by the cooperation of the circular ring 12 and the annular groove 13, so that the protruding ring 11 is more tightly connected with the driving pulley 6 and the driven pulley 7.

Specifically, the ring 12 is in the shape of an isosceles trapezoid, and the shape of the annular groove 13 is matched with the shape of the ring 12.

In this embodiment, the cross section of the front cross section of the circular ring 12 is isosceles trapezoid, and the contact area between the circular ring 12 and the inner wall of the annular groove 13 is increased, so that the connection between the convex ring 11 and the driving pulley 6 and the driven pulley 7 is tighter.

Specifically, the thickening layer 10 is provided with four steel strips 14 inside, and the number of the steel strips 14 is four.

In this embodiment, the high temperature resistant belt 8 is effectively prevented from being elongated by the cooperation of the steel belt 14 and the thickening layer 10.

Specifically, a connection seat 909 is fixedly connected to an end of the square rod 903, and the roller 905 is movably sleeved on a circular shaft surface fixedly connected to an inner wall of the connection seat 909.

In this embodiment, the roller 905 contacts with the high temperature belt 8, the high temperature belt 8 operates to drive the roller 905 to rotate, and the roller 905 rotates around the circular axis of the inner wall of the connecting seat 909.

The utility model discloses a theory of operation and use flow: when in use, a driving belt wheel 6 is sleeved on an output shaft of the speed reducing motor 3, a driven belt wheel 7 is sleeved on the guide nut 4, the driving belt wheel 6 is connected with the driven belt wheel 7 through a high-temperature resistant belt 8, a convex ring 11 is fixed in the inner wall of the high-temperature resistant belt 8, the convex ring 11 increases the contact area of the high-temperature resistant belt 8 with the driving belt wheel 6 and the driven belt wheel 7, a circular ring 12 is fixed on the driving belt wheel 6 and the driven belt wheel 7, the surface of the circular ring 12 is movably connected with the inner wall of a circular groove 13, the contact area of the high-temperature resistant belt 8 with the driving belt wheel 6 and the driven belt wheel 7 is increased by the matching of the convex ring 11 and the circular ring 12, so that the high-temperature resistant belt 8 is more tightly connected with the driving belt wheel 6 and the driven belt wheel 7, a bolt 907 is fixed at the position of an internal thread sleeve 906 through a nut 908, a square 902 is connected at the end of the bolt 907, and a square 902 extrudes a spring 904, the elasticity of the spring 904 drives the roller 905 to extrude the high-temperature resistant belt 8 through the square rod 903 to tension the high-temperature resistant belt 8, so that the high-temperature resistant belt 8 is tightly attached to the driving pulley 6 and the driven pulley 7, the transmission stability of the high-temperature resistant belt 8 is improved, the operation stability of the guide nut 4 is improved, when the tension degree of the high-temperature resistant belt 8 needs to be adjusted, the nut 908 is unscrewed, the bolt 907 is rotated, the bolt 907 drives the block 902 to move towards the direction close to the square rod 903 along the inner wall of the square box 901, the block 902 further extrudes the spring 904, the roller 905 extrudes the high-temperature resistant belt 8 through the square rod 903 by utilizing the spring 904, the tension degree of the high-temperature resistant belt 8 is improved, the block 902 can reversely rotate the bolt 907 to reversely move along the inner wall of the square box 901, the block 902 is not extruding the spring 904, the elasticity of the spring 904 is expanded, thereby reduce the extrusion force of gyro wheel 905 extrusion high temperature resistant belt 8, reduce high temperature resistant belt 8's tensioning degree, adjust to suitable tensioning degree after, screw up nut 908 and can fix bolt 907, gear motor 3's output shaft drives driving pulley 6 rotatory, driving pulley 6 drives driven pulley 7 through high temperature resistant belt 8 and rotates, driven pulley 7 can drive leading nut 4 rotatory, can drive the spiral pipe motion in the frame 1 when leading nut 4 is rotatory.

In conclusion, this power plant boiler steam soot blower through setting up high temperature resistant belt 8, square bar 903, spring 904 and gyro wheel 905 to solve common power plant boiler steam soot blower when using, the transmission is steady inadequately when chain drive carries out the transmission, and transmission department does not have straining device 9 and carries out the tensioning, reduces the problem of the operation stationarity of guide nut 4 department.

It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a 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.

Claims

1. The utility model provides a power boiler steam soot blower, includes frame (1), steam nozzle (2), gear motor (3) and guide nut (4), its characterized in that: the steam generator is characterized in that the speed reducing motor (3) is fixedly connected to the top of the rack (1), the steam nozzle (2) is arranged on the side face of the rack (1), the guide nut (4) is arranged inside the rack (1), the top of the rack (1) is fixedly connected with the shield (5), the output shaft of the speed reducing motor (3) penetrates through the shield (5) and is fixedly sleeved with the driving pulley (6), the surface of the guide nut (4) is fixedly sleeved with the driven pulley (7), the surfaces of the driving pulley (6) and the driven pulley (7) are movably connected with the inner wall of the high-temperature resistant belt (8), the surface of the high-temperature resistant belt (8) is fixedly connected with the thickening layer (10), the inside of the shield (5) is provided with the tensioning mechanism (9), the tensioning mechanism (9) comprises a square box (901), the square box (901) is fixedly connected to the inner wall of the shield (5), the square box (901) is positioned inside an opening formed in the top of the rack (1), the inner wall of the square box (901) is respectively connected with the surface of the square (902) and the square rod (903) is connected with the movable surface of the square rod (903), and the two ends of the square rod (903) are respectively connected with the square rod (903) and the movable surface of the square rod (903), the surface of the roller (905) is movably connected with the surface of the thickening layer (10), an internal thread sleeve (906) is fixedly connected to the side face of the shield (5), the inner wall of the internal thread sleeve (906) is in threaded connection with the surface of a bolt (907), the end portion of the bolt (907) sequentially penetrates through the shield (5) and the square box (901) and is movably connected with the side face of the square block (902), the surface of the bolt (907) is in threaded connection with the inner wall of a nut (908), and the side face of the nut (908) is movably connected with the side face of the internal thread sleeve (906).

2. The power plant boiler steam soot blower of claim 1, characterized in that: the inner wall of the high-temperature-resistant belt (8) is fixedly connected with a convex ring (11), and the inner wall of the convex ring (11) is movably connected with the surfaces of the driving belt wheel (6) and the driven belt wheel (7) respectively.

3. The power plant boiler steam soot blower of claim 2, characterized in that: the surface of the driving belt wheel (6) and the surface of the driven belt wheel (7) are both fixedly connected with a circular ring (12), an annular groove (13) is formed in the inner wall of the convex ring (11), and the surface of the circular ring (12) is movably connected with the inner wall of the annular groove (13).

4. A power plant boiler steam sootblower as claimed in claim 3, wherein: the circular ring (12) is in an isosceles trapezoid shape, and the shape of the circular groove (13) is matched with that of the circular ring (12).

5. The power plant boiler steam soot blower of claim 1, characterized in that: the thickening layer (10) is internally provided with four steel belts (14), and the number of the steel belts (14) is four.

6. The power plant boiler steam soot blower of claim 1, characterized in that: the end part of the square rod (903) is fixedly connected with a connecting seat (909), and the roller (905) is movably sleeved on the surface of a round shaft fixedly connected with the inner wall of the connecting seat (909).