CN217796487U

CN217796487U - Powder process device for thermal power plant boiler

Info

Publication number: CN217796487U
Application number: CN202221729998.5U
Authority: CN
Inventors: 周润泽
Original assignee: Huaneng Jinan Huangtai Power Generation Co Ltd
Current assignee: Huaneng Jinan Huangtai Power Generation Co Ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-15
Anticipated expiration: 2032-07-05

Abstract

The utility model belongs to the technical field of the powder process device, especially, powder process device for thermal power plant boiler, it is poor to current coal stirring effect, can not carry out the powder process to coal, crushing effect is poor, can not carry out the problem of screening to the buggy simultaneously, the scheme as follows is proposed now, it includes the agitator tank, the top of agitator tank is provided with the access point, the bottom of agitator tank is provided with the discharge gate, fixed mounting has the supporting disk in the agitator tank, the bell jar has been seted up at the top of supporting disk, the bottom of bell jar is provided with the delivery pipe, the L template is installed at the top of agitator tank, install the motor on the L template, install the drive shaft on the output shaft of motor, a plurality of crushing sword are installed in the outside of drive shaft, the extrusion dish is installed to the bottom of drive shaft, the extrusion dish cooperatees with the bell jar, be provided with filtering mechanism in the agitator tank. The utility model discloses excellent in use effect can improve coal stirring effect, can carry out the powder process and smash the effect to coal, can filter the buggy.

Description

Powder process device for thermal power plant boiler

Technical Field

The utility model relates to a powder process technical field especially relates to a powder process device for thermal power plant's boiler.

Background

The patent document with publication number CN211026502U provides a powder making device for a boiler of a thermal power plant, which screens coal through a plurality of crushing cavities and a plurality of layers of filter screens to achieve the effect of screening, and further screens finer coal, although the device has more beneficial effects, the following problems still exist: because thermal power plant needs a large amount of coal, the device need roll large batch coal simultaneously, has a large amount of coal and falls to the filter screen simultaneously after crushing, and the whereabouts in-process is because the sieve can plug up the filter screen for quiescent condition coal to need frequently to change the filter screen, wasted a large amount of manpower and materials, and greatly reduced work efficiency.

The existing coal has poor stirring effect, can not carry out coal pulverizing on coal, has poor crushing effect, and can not carry out screening on coal powder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current coal stirring effect poor, can not carry out the powder process to coal, crushing effect is poor, can not carry out the shortcoming of screening to the buggy simultaneously, and the powder process device for the boiler of thermal power plant that provides.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a powder process device for thermal power plant boiler, including the agitator tank, the top of agitator tank is provided with the access opening, the bottom of agitator tank is provided with the discharge gate, fixed mounting has the supporting disk in the agitator tank, the tapered slot has been seted up at the top of supporting disk, the bottom of tapered slot is provided with the delivery pipe, the L template is installed at the top of agitator tank, install the motor on the L template, install the drive shaft on the output shaft of motor, a plurality of crushing sword are installed in the outside of drive shaft, the extrusion dish is installed to the bottom of drive shaft, the extrusion dish cooperatees with the tapered slot, be provided with filtering mechanism in the agitator tank, the outside of agitator tank is rotated and is installed the universal driving shaft, be connected with strike mechanism on the universal driving shaft, strike mechanism and filtering mechanism looks adaptation, the front of agitator tank is provided with the controller.

Preferably, the driving shaft and the linkage shaft are sleeved with chain wheels, and the outer sides of the two chain wheels are meshed with chains.

Preferably, the filtering mechanism comprises two U-shaped seats, a same filter screen is arranged between the two U-shaped seats, a push-pull plate is arranged on the outer side of the filter screen, a rectangular hole is formed in the front face of the stirring box, and the filter screen is movably connected with the rectangular hole.

Preferably, the knocking mechanism comprises a knocking shaft, a spring is arranged on the outer side of the knocking shaft, and a knocking ball is arranged at the outer end of the spring.

Preferably, a first bevel gear is mounted at the bottom end of the linkage shaft, a second bevel gear is mounted at the outer end of the knocking shaft, and the first bevel gear is meshed with the second bevel gear.

The utility model discloses in, a beneficial effect of powder process device for boiler of thermal power plant:

according to the scheme, the motor drives the driving shaft to rotate, the driving shaft drives the plurality of crushing knives to crush coal, the crushed coal falls into the tapered groove, the tapered groove is ground through the extrusion disc, the coal can be crushed, the crushed coal is guided out through the discharge pipe and falls onto the top of the filter screen, and the crushed coal falls onto the bottom of the stirring box after being filtered by the filter screen, so that uniform stirring can be performed;

according to the scheme, the driving shaft drives the linkage shaft to rotate through the two chain wheels and the chain, the linkage shaft drives the knocking shaft to rotate through the first bevel gear and the second bevel gear, and the knocking shaft drives the spring and the knocking ball to knock the filter screen, so that the filter screen vibrates, and the filtering effect can be improved;

according to the scheme, the push-pull plate is pulled outwards, the push-pull plate drives the filter screen to leave the stirring box, the filter screen can be conveniently taken out and cleaned, and the filter screen can be continuously used after being installed;

the utility model discloses excellent in use effect can improve coal stirring effect, can carry out the powder process and smash the effect to coal, can filter the buggy.

Drawings

Fig. 1 is a schematic structural diagram of a powder making device for a boiler of a thermal power plant according to the present invention;

fig. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic perspective view of a support plate according to the present invention;

fig. 4 is a schematic structural view of a portion a in fig. 2 according to the present invention;

fig. 5 is a schematic perspective view of the U-shaped seat of the present invention.

In the figure: 1. a stirring box; 2. a discharge port; 3. an inlet port; 4. a controller; 5. an L-shaped plate; 6. a motor; 7. a sprocket; 8. a chain; 9. a linkage shaft; 10. a first bevel gear; 11. a second bevel gear; 12. a push-pull plate; 13. a spring; 14. knocking and hitting the ball; 15. a U-shaped seat; 16. a filter screen; 17. a support disc; 18. a tapered groove; 19. a discharge pipe; 20. an extrusion disc; 21. a drive shaft; 22. a crushing knife; 23. knocking the shaft.

Detailed Description

The technical solutions in the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is obvious that the described embodiments are only a part of the embodiments, and not all of the embodiments.

Referring to fig. 1-5, a powder making device for a boiler in a thermal power plant comprises an agitator tank 1, the top of the agitator tank 1 is provided with an inlet 3, the bottom of the agitator tank 1 is provided with a discharge port 2, a support disc 17 is fixedly installed in the agitator tank 1, the top of the support disc 17 is provided with a tapered groove 18, the bottom of the tapered groove 18 is provided with a discharge pipe 19, the top of the agitator tank 1 is provided with an L-shaped plate 5, the L-shaped plate 5 is provided with a motor 6, an output shaft of the motor 6 is provided with a drive shaft 21, the outer side of the drive shaft 21 is provided with a plurality of crushing cutters 22, the bottom end of the drive shaft 21 is provided with an extrusion disc 20, the extrusion disc 20 is matched with the tapered groove 18, the agitator tank 1 is internally provided with a filtering mechanism, the outer side of the agitator tank 1 is rotatably provided with a linkage shaft 9, the linkage shaft 9 is connected with a knocking mechanism, the knocking mechanism is matched with the filtering mechanism, and the front of the agitator tank 1 is provided with a controller 4.

In the embodiment, chain wheels 7 are sleeved on the outer sides of the driving shaft 21 and the linkage shaft 9, and chains 8 are meshed on the outer sides of the two chain wheels 7; the drive shaft 21 drives the linkage shaft 9 to rotate through the two chain wheels 7 and the chain 8.

In the embodiment, the filtering mechanism comprises two U-shaped seats 15, a same filtering screen 16 is arranged between the two U-shaped seats 15, a push-pull plate 12 is arranged on the outer side of the filtering screen 16, a rectangular hole is formed in the front face of the stirring box 1, and the filtering screen 16 is movably connected with the rectangular hole; the filter screen 16 is supported by two U-shaped seats 15.

In the embodiment, the knocking mechanism comprises a knocking shaft 23, a spring 13 is arranged on the outer side of the knocking shaft 23, and a knocking ball 14 is arranged at the outer end of the spring 13; knocking shaft 23 drives spring 13 and knocking ball 14 to knock filter screen 16, so that filter screen 16 vibrates, and the filtering effect can be improved.

In the embodiment, a first bevel gear 10 is mounted at the bottom end of the linkage shaft 9, a second bevel gear 11 is mounted at the outer end of the knocking shaft 23, and the first bevel gear 10 is meshed with the second bevel gear 11; the linkage shaft 9 drives the knocking shaft 23 to rotate through the first bevel gear 10 and the second bevel gear 11.

The working principle is that when the coal pulverizer is used, coal is added into a stirring box 1 through an adding port 3, a motor 6 is started, the motor 6 drives a driving shaft 21 to rotate, the driving shaft 21 drives a plurality of crushing cutters 22 to crush the coal, the crushed coal falls into a conical groove 18, the conical groove 18 is ground through an extrusion disc 20, the coal can be crushed, the crushed coal is guided out through a discharge pipe 19 and falls onto the top of a filter screen 16, the crushed coal falls onto the bottom of the stirring box 1 after being filtered through the filter screen 16, pulverized coal can be guided out through a discharge port 2, the driving shaft 21 drives a linkage shaft 9 to rotate through two chain wheels 7 and a chain 8, the linkage shaft 9 drives a knocking shaft 23 to rotate through a first bevel gear 10 and a second bevel gear 11, the knocking shaft 23 drives a spring 13 and the knocking shaft 14 to knock the filter screen 16, the filter screen 16 vibrates, the filtering effect can be improved, a push-pull plate 12 is pulled outwards, the filter screen 16 is driven to leave the stirring box 1, the filter screen 16 can be conveniently taken out and cleaned, all structures in the coal pulverizer can be continuously used according to actual use conditions, the material and the drawing can be adjusted to a proper size.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides a powder process device for thermal power plant boiler, includes agitator tank (1), the top of agitator tank (1) is provided with inlet (3), the bottom of agitator tank (1) is provided with discharge gate (2), a serial communication port, fixed mounting has supporting disk (17) in agitator tank (1), tapered slot (18) have been seted up at the top of supporting disk (17), the bottom of tapered slot (18) is provided with delivery pipe (19), L template (5) are installed at the top of agitator tank (1), install motor (6) on L template (5), install drive shaft (21) on the output shaft of motor (6), a plurality of crushing sword (22) are installed in the outside of drive shaft (21), extrusion dish (20) are installed to the bottom of drive shaft (21), extrusion dish (20) cooperate with tapered slot (18), be provided with filtering mechanism in agitator tank (1), the outside of agitator tank (1) is rotated and is installed universal driving shaft (9), be connected with on universal driving shaft (9) and strike the mechanism, strike mechanism and filtering mechanism looks adaptation.

2. A pulverizing device for a boiler in a thermal power plant as claimed in claim 1, characterized in that the outside of the driving shaft (21) and the linkage shaft (9) are both sleeved with chain wheels (7), and the outside of both chain wheels (7) are engaged with chains (8).

3. The powder manufacturing device for the boiler of the thermal power plant according to claim 1, wherein the filtering mechanism comprises two U-shaped seats (15), a same filtering screen (16) is installed between the two U-shaped seats (15), a push-pull plate (12) is installed on the outer side of the filtering screen (16), a rectangular hole is formed in the front face of the stirring box (1), and the filtering screen (16) is movably connected with the rectangular hole.

4. The pulverizing device for the boiler of the thermal power plant as claimed in claim 1, characterized in that the knocking mechanism comprises a knocking shaft (23), a spring (13) is mounted on the outer side of the knocking shaft (23), and a knocking ball (14) is mounted on the outer end of the spring (13).

5. The coal pulverizing device for the boiler of the thermal power plant as claimed in claim 1, characterized in that a first bevel gear (10) is installed at the bottom end of the linkage shaft (9), a second bevel gear (11) is installed at the outer end of the knocking shaft (23), and the first bevel gear (10) is meshed with the second bevel gear (11).

6. A pulverizing device for a boiler in a thermal power plant according to claim 1, characterized in that the front of the stirring box (1) is provided with a controller (4).