CN211575154U

CN211575154U - Ash removal device for power plant boiler

Info

Publication number: CN211575154U
Application number: CN202020141188.2U
Authority: CN
Inventors: 夏友刚; 刘玲玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-09-25
Anticipated expiration: 2030-01-22

Abstract

The utility model discloses a power plant is ash removal device for boiler, including base, support and motor, base upper end left side is equipped with the support, and the support upper end is equipped with the motor, and the motor lower extreme is equipped with the pivot, is equipped with the master gear in the pivot, installs the drive belt on the master gear, and the drive belt right side is equipped with from the gear, is equipped with reciprocal lead screw from the gear, is equipped with the screw sleeve on the reciprocal lead screw downside, the reciprocal lead screw of screw sleeve inner wall threaded connection. The utility model discloses during the use, the dust that the clearance got off falls to collecting in the case that gathers dust, and the pump is taken the water in with the storage water tank through connecting pipe and atomizer, sprays the dust in the case that gathers dust, has avoided the emergence of raise dust, prevents that the dust from wafting again and getting back to inside the boiler, takes the case that will gather dust in from the base out, is convenient for clear up the dust in the case that gathers dust.

Description

Ash removal device for power plant boiler

Technical Field

The utility model relates to an ash removal technical field specifically is an ash removal device for power plant's boiler.

Background

Utility boilers, also known as power plant boilers, refer to medium and large boilers in power plants that provide steam to turbines in a specified amount and quality. One of the main thermal equipment of a thermal power plant. It is usually matched with a turbo-generator set with a certain capacity, mainly used for generating electricity, but also can be used for supplying heat to the outside in some special occasions. Generally, the evaporation capacity is large, steam parameters (steam temperature and steam pressure) are high, a whole set of auxiliary equipment is needed, chamber combustion chambers are needed to be configured, a forced ventilation mode is adopted, various fuels (coal powder, crude oil or heavy oil, blast furnace gas or coke oven gas) can be combusted, the structure is complex, the efficiency is high, most of the fuels can reach about 85-93%, and the requirements on the operation management level, the mechanization degree and the automatic control technology are quite high. So-called utility boilers are, in popular terms, boilers used by power plants to generate electricity. The general capacity is larger, the current main unit is 600MW, the current advanced is an ultra-supercritical boiler, and the capacity can reach 1000 MW. Utility boilers mainly have two types: pulverized coal furnaces and circulating fluidized bed boilers. These two types of boilers are the main types used in power stations today. The biggest difference between the fluidized bed furnace and the pulverized coal furnace is the state of the fuel, i.e. liquid and pulverized coal.

The existing power plant boiler often depends on the manual work to hold tools such as an ash removal brush when carrying out the ash removal, and the dust in the boiler is cleared up, not only is the efficiency low, and comparatively wastes time and energy. Therefore, those skilled in the art have provided a soot cleaning device for a power plant boiler to solve the above problems in the background art.

Disclosure of Invention

An object of the utility model is to provide a power plant is ash removal device for boiler to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the ash removing device for the power plant boiler comprises a base, a bracket and a motor, wherein the bracket is arranged on the left side of the upper end of the base, the motor is arranged on the upper end of the bracket, a rotating shaft is arranged at the lower end of the motor, a main gear is arranged on the rotating shaft, a transmission belt is arranged on the main gear, a driven gear is arranged on the right side of the transmission belt, a reciprocating lead screw is arranged on the driven gear, a threaded sleeve is arranged on the lower side of the reciprocating lead screw, the inner wall of the threaded sleeve is in threaded connection with the reciprocating lead screw, a connecting rod is arranged at the lower end of the threaded sleeve, a scraper is arranged on the outer side of the connecting rod, a boiler is arranged on the lower side of the rotating shaft, a fixed plate is arranged on the lower side of the eccentric wheel, the bracket is fixedly connected to the left end, the dust collection box upside is equipped with two atomizer, two all be connected with the connecting pipe on the atomizer, be equipped with the pump on the connecting pipe, and the other end of connecting pipe is connected with the storage water tank.

As a further scheme of the utility model, pivot and reciprocal lead screw all run through the support, and correspond reciprocal lead screw on the support and be equipped with the bearing.

As the utility model discloses further scheme again, connecting rod upper end and leg joint department are equipped with spacing telescopic link.

As the utility model discloses scheme further again, the scraper blade is circular setting, and the outer end and the boiler inner wall laminating of scraper blade.

As the utility model discloses scheme further again, fly leaf middle part is equipped with the hinge with the fixed plate junction, and the fly leaf rotates and connects the fixed plate.

As the utility model discloses scheme further again, the base corresponds the dust collection box lower extreme and is equipped with the spout, and the base left end corresponds the storage water tank and is equipped with the filler.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses during the use, the motor drives the pivot, the master gear, the drive belt, from the gear, reciprocal lead screw and eccentric wheel rotate, make threaded sleeve, connecting rod and scraper blade up-and-down motion, be convenient for strike off remaining deposition of boiler inner wall, time saving and labor saving, the continuous contact striking plate of eccentric wheel, make the fly leaf continuous rotate about the fixed plate through the spring that sets up, the continuous striking boiler shell of extrusion striking plate comes under the deposition vibrations of boiler inner wall, play supplementary effect to clearing up the deposition, and the work efficiency is improved.

2. The utility model discloses during the use, the dust that the clearance got off falls to collecting in the case that gathers dust, and the pump is taken the water in with the storage water tank through connecting pipe and atomizer, sprays the dust in the case that gathers dust, has avoided the emergence of raise dust, prevents that the dust from wafting again and getting back to inside the boiler, takes the case that will gather dust in from the base out, is convenient for clear up the dust in the case that gathers dust.

Drawings

FIG. 1 is a schematic structural diagram of a soot cleaning device for a power plant boiler.

FIG. 2 is a schematic view of a structure at A position of an ash removal device for a power plant boiler.

FIG. 3 is a schematic structural diagram of a base of the ash removal device for the power plant boiler.

FIG. 4 is a schematic top view of the scraper and the connecting rod of the ash removing device for the power plant boiler.

In the figure: 1. a base; 2. a support; 3. a motor; 4. a rotating shaft; 5. a main gear; 6. a transmission belt; 7. a slave gear; 8. a reciprocating screw rod; 9. a bearing; 10. a threaded sleeve; 11. a connecting rod; 12. a squeegee; 13. limiting the telescopic rod; 14. a boiler; 15. an eccentric wheel; 16. a fixing plate; 17. a movable plate; 18. an impact plate; 19. a spring; 20. a dust collection box; 21. a chute; 22. an atomizing spray head; 23. a connecting pipe; 24. a pump; 25. a water storage tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the present invention, an ash removing device for a power plant boiler comprises a base 1, a bracket 2 and a motor 3, wherein the bracket 2 is disposed on the left side of the upper end of the base 1, the motor 3 is disposed on the upper end of the bracket 2, the lower end of the motor 3 is provided with a rotating shaft 4, a main gear 5 is disposed on the rotating shaft 4, a driving belt 6 is mounted on the main gear 5, a driven gear 7 is disposed on the right side of the driving belt 6, a reciprocating screw 8 is disposed on the driven gear 7, the rotating shaft 4 and the reciprocating screw 8 both penetrate through the bracket 2, a bearing 9 is disposed on the bracket 2 corresponding to the reciprocating screw 8, a threaded sleeve 10 is disposed on the lower side of the reciprocating screw 8, the inner wall of the threaded sleeve 10 is in threaded connection with the reciprocating screw 8, a connecting rod 11 is disposed at the lower end of, the scraper blades 12 are arranged in a circular shape, the outer ends of the scraper blades 12 are attached to the inner wall of the boiler 14, the lower end of the rotating shaft 4 is provided with an eccentric wheel 15, the lower side of the eccentric wheel 15 is provided with a fixed plate 16, the left end of the fixed plate 16 is fixedly connected with the support 2, the right end of the fixed plate 16 is provided with a movable plate 17, the upper end of the movable plate 17 is provided with an impact plate 18 corresponding to the eccentric wheel 15, the joint of the middle part of the movable plate 17 and the fixed plate 16 is provided with a hinge, the movable plate 17 is rotatably connected with the fixed plate 16, the joint of the left end of the movable plate 17 and the fixed plate 16 is provided with two springs 19, the lower end of the boiler 14 is communicated with the inside of the base 1, the bottom end of the base 1 is provided with a dust collection box 20 corresponding, the base 1 is provided with a chute 21 corresponding to the lower end of the dust collection box 20, and the left end of the base 1 is provided with a water filling port corresponding to the water storage tank 25.

The utility model discloses a theory of operation is:

when the utility model is used, the motor 3 drives the rotating shaft 4, the main gear 5, the transmission belt 6, the secondary gear 7, the reciprocating screw rod 8 and the eccentric wheel 15 to rotate, so that the threaded sleeve 10, the connecting rod 11 and the scraper 12 move up and down, which is convenient for scraping off the residual dust on the inner wall of the boiler 14, time and labor are saved, the eccentric wheel 15 continuously contacts the impact plate 18, the movable plate 17 continuously rotates left and right on the fixed plate 16 through the arranged spring 19, the impact plate 18 is extruded to continuously impact the shell of the boiler 14, the dust on the inner wall of the boiler 14 is vibrated down, the auxiliary function is realized for cleaning the dust, the working efficiency is improved, the cleaned dust falls into the dust collecting box 20 to be collected, the pump 24 pumps out the water in the water storage tank 25 through the connecting pipe 23 and the atomizing spray nozzle 22, the dust in the dust collecting box 20 is sprayed, the occurrence of dust flying is avoided, the dust is prevented, the dust collection box 20 is drawn out from the base 1, so that dust in the dust collection box 20 can be cleaned conveniently.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The ash removal device for the power plant boiler comprises a base (1), a support (2) and a motor (3), and is characterized in that the support (2) is arranged on the left side of the upper end of the base (1), the motor (3) is arranged on the upper end of the support (2), a rotating shaft (4) is arranged at the lower end of the motor (3), a main gear (5) is arranged on the rotating shaft (4), a transmission belt (6) is installed on the main gear (5), a driven gear (7) is arranged on the right side of the transmission belt (6), a reciprocating screw rod (8) is arranged on the driven gear (7), a threaded sleeve (10) is arranged on the lower side of the reciprocating screw rod (8), the inner wall of the threaded sleeve (10) is in threaded connection with the reciprocating screw rod (8), a connecting rod (11) is arranged at the lower end of the threaded sleeve (10), a scraper (12) is, eccentric wheel (15) downside is equipped with fixed plate (16), fixed plate (16) left end fixed connection support (2), fixed plate (16) right-hand member is equipped with fly leaf (17), and fly leaf (17) upper end corresponds eccentric wheel (15) and is equipped with striking plate (18), fly leaf (17) left end is equipped with two springs (19) with fixed plate (16) junction, boiler (14) lower extreme intercommunication base (1) is inside, and base (1) inner bottom corresponds boiler (14) downside and is equipped with dust collection box (20), and dust collection box (20) upside is equipped with two atomizer (22), two all be connected with connecting pipe (23) on atomizer (22), be equipped with pump (24) on connecting pipe (23), and the other end of connecting pipe (23) is connected with storage water tank (25).

2. The ash removal device for the power plant boiler, according to claim 1, is characterized in that the rotating shaft (4) and the reciprocating screw rod (8) both penetrate through the support (2), and a bearing (9) is arranged on the support (2) corresponding to the reciprocating screw rod (8).

3. The ash removal device for the power plant boiler, according to claim 1, is characterized in that a limiting telescopic rod (13) is arranged at the joint of the upper end of the connecting rod (11) and the bracket (2).

4. The ash removal device for the power plant boiler, according to the claim 1, is characterized in that the scraper (12) is arranged in a circular shape, and the outer end of the scraper (12) is attached to the inner wall of the boiler (14).

5. The ash removal device for the power plant boiler, according to claim 1, is characterized in that a hinge is arranged at the joint of the middle part of the movable plate (17) and the fixed plate (16), and the movable plate (17) is rotatably connected with the fixed plate (16).

6. The ash removal device for the power plant boiler, according to claim 1, is characterized in that the base (1) is provided with a chute (21) corresponding to the lower end of the dust collection box (20), and the left end of the base (1) is provided with a water filling port corresponding to the water storage tank (25).