CN212644579U

CN212644579U - Novel bed material adding device for circulating fluidized bed boiler

Info

Publication number: CN212644579U
Application number: CN202020830055.6U
Authority: CN
Inventors: 李建
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-03-02
Anticipated expiration: 2030-05-18

Abstract

The utility model belongs to the technical field of sediment conveying equipment at the bottom of the boiler, especially, be a novel circulating fluidized bed boiler bed material adds device, comprising a supporting seat, the top fixedly connected with transport case of supporting seat, the top fixedly connected with cutting case of transport case, the top fixedly connected with feed opening of cutting case, the first motor of top fixedly connected with of cutting case, one side fixedly connected with second motor of cutting case, the output shaft fixedly connected with pivot of first motor, the outer fixed surface of pivot is connected with the sleeve, telescopic both sides fixedly connected with cutting blade. The utility model discloses a pivot drives the cutting blade rotation, and cooperation cutting blade carries out multiprocessing to coal, makes the coal of handling can pass through the transportation pipe smoothly, has avoided the bed material to carry the not smooth condition, utilizes compression spring and swash plate, reduces the impact force of coal to first filter screen, has prolonged life.

Description

Novel bed material adding device for circulating fluidized bed boiler

Technical Field

The utility model relates to a sediment conveying equipment technical field at the bottom of the boiler specifically is a novel circulating fluidized bed boiler bed material adds device.

Background

The bed material adding device of the circulating fluidized bed boiler is mainly used for being established at the initial stage of boiler starting and maintaining the balance of materials, if the materials are gradually carried and lost by smoke in the starting process of the boiler, the bed pressure is reduced, the circulating materials are reduced, the bed material adding device needs to be started at the moment and continuously added, and the existing bed materials are generally coal.

The bed material adds the device to have the following problem at present:

1. due to the fact that the size of coal is inconsistent, a conveying pipe can be clamped during conveying, in the prior art, the size of the coal is inconvenient to process, the condition that bed materials are conveyed difficultly occurs, and the bed materials are not conveyed easily;

2. coal is in the transportation, is producing a large amount of dust, among the prior art, generally manual conveying, and the inconvenience is collected the dust, influences operational environment, pollutes the atmosphere.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a novel circulating fluidized bed boiler bed material adds device has solved prior art, and inconvenient size to coal is handled, leads to the bed material to carry not smooth and inconvenient collection dust, influences operational environment's problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a novel circulating fluidized bed boiler bed material adding device comprises a supporting seat, wherein a conveying box is fixedly connected to the top of the supporting seat, a cutting box is fixedly connected to the top of the conveying box, a feed opening is fixedly connected to the top of the cutting box, a first motor is fixedly connected to the top of the cutting box, a second motor is fixedly connected to one side of the cutting box, a rotating shaft is fixedly connected to an output shaft of the first motor, a sleeve is fixedly connected to the outer surface of the rotating shaft, cutting blades are fixedly connected to two sides of the sleeve, a first filter screen is rotatably connected to the bottom end of the rotating shaft through a connecting block, the first filter screen is fixedly connected to the inner wall of the cutting box, a cutting blade is fixedly connected to an output shaft of the second motor, a second filter screen is fixedly connected to the inside of the cutting box, and a feeding pipe, the inside fixedly connected with third filter screen of transport case, the inlet pipe runs through transport case and third filter screen, the left side fixedly connected with third motor of transport case, the output shaft fixedly connected with propeller blade of third motor, one side of supporting seat is equipped with the rose box, the inside fixedly connected with baffle of rose box, the top fixedly connected with dust catcher of baffle, the input fixedly connected with straw of dust catcher, the straw runs through the inside that filter case and transport case extend to the transport case, the output fixedly connected with hose of dust catcher, the bottom sliding connection of hose has the dust bag.

As an optimized technical scheme of the utility model, the discharge gate has been seted up to the inner wall of transport case.

As an optimal technical scheme of the utility model, the front of rose box is connected with the sliding door through the hinge rotation, the positive fixedly connected with handle of sliding door.

As a preferred technical scheme of the utility model, the inner wall fixedly connected with backup pad of cutting case, fixed block fixedly connected with compression spring is passed through at the top of backup pad, fixed block fixedly connected with swash plate is passed through on compression spring's top, the swash plate passes through the bull stick and is connected with the inner wall rotation of cutting case.

As an optimized technical scheme of the utility model, the quantity of hose and dust bag is two, and size, shape homogeneous phase.

As an optimized technical scheme of the utility model, the second filter screen is located the below of first filter screen, the aperture of second filter screen is less than the aperture of first filter screen.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel circulating fluidized bed boiler bed material adds device possesses following beneficial effect:

1. this novel circulating fluidized bed boiler bed material adds device drives the cutting blade rotation through the pivot, and cooperation cutting blade carries out multiple treatment to coal, makes the coal that has handled smoothly through the transportation pipe, has avoided the bed material to carry the not smooth condition, utilizes compression spring and swash plate, reduces the impact force of coal to first filter screen, has prolonged life.

2. This novel circulating fluidized bed boiler bed material adds device inhales the dust bag through the dust catcher in with the dust, has avoided the dust to influence operational environment, pollutes the atmosphere, utilizes the third filter screen, makes the dust separate with coal, has avoided coal extravagant, and the cooperation sliding door can change the dust bag at any time, has strengthened the convenience.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the cutting box of the present invention;

FIG. 3 is a schematic view of the internal structure of the transportation box of the present invention;

FIG. 4 is a schematic view of the internal structure of the filtering box of the present invention;

fig. 5 is a front view of the structure of the filtering box of the present invention.

In the figure: 1. a supporting seat; 2. a transport case; 3. cutting the box; 4. a feeding port; 5. a first motor; 6. A second motor; 7. a rotating shaft; 8. a sleeve; 9. cutting the blade; 10. connecting blocks; 11. a first filter screen; 12. a cutting blade; 13. a second filter screen; 14. a feed pipe; 15. a third filter screen; 16. a third motor; 17. a propeller blade; 18. a discharge port; 19. a filter box; 20. a partition plate; 21. a dust collector; 22. A straw; 23. a hose; 24. a dust collection bag; 25. sliding the door; 26. a support plate; 27. a compression spring; 28. A sloping plate.

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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a novel circulating fluidized bed boiler bed material adding device comprises a supporting seat 1, the top of the supporting seat 1 is fixedly connected with a transport box 2, the top of the transport box 2 is fixedly connected with a cutting box 3, the top of the cutting box 3 is fixedly connected with a feed opening 4, the top of the cutting box 3 is fixedly connected with a first motor 5, one side of the cutting box 3 is fixedly connected with a second motor 6, an output shaft of the first motor 5 is fixedly connected with a rotating shaft 7, the outer surface of the rotating shaft 7 is fixedly connected with a sleeve 8, two sides of the sleeve 8 are fixedly connected with cutting blades 9, the bottom end of the rotating shaft 7 is rotatably connected with a first filter screen 11 through a connecting block 10, the first filter screen 11 is fixedly connected with the inner wall of the cutting box 3, the output shaft of the second motor 6 is fixedly connected with a cutting blade 12, the inside of the cutting box 3 is fixedly connected with, transport case 2's inside fixedly connected with third filter screen 15, inlet pipe 14 runs through transport case 2 and third filter screen 15, transport case 2's left side fixedly connected with third motor 16, third motor 16's output shaft fixedly connected with propeller blade 17, one side of supporting seat 1 is equipped with rose box 19, rose box 19's inside fixedly connected with baffle 20, baffle 20's top fixedly connected with dust catcher 21, the input fixedly connected with straw 22 of dust catcher 21, straw 22 runs through the inside that filter box 19 and transport case 2 extend to transport case 2, dust catcher 21's output fixedly connected with hose 23, the bottom sliding connection of hose 23 has dust bag 24.

In this embodiment, it changes to drive pivot 7 through first motor 5, pivot 7 drives sleeve 8 and cutting blade 9 rotation, break up big coal for the first time, coal after the cutting drops on second filter screen 13 through first filter screen 11, open second motor 6, second motor 6 drives cutting blade 12 and cuts coal for the second time, carry out multiple processing to coal, make the coal of handling smoothly pass through the transportation pipe, the not smooth condition of bed material transport has been avoided, the pressure of coal to first filter screen 11 has been reduced through compression spring 27, service life has been prolonged, in inhaling dust bag 24 through dust catcher 21, coal stays in transport case 2 because of third filter screen 15, when needing to change dust bag 24, open sliding door 25 can, can change dust bag 24 at any time, the convenience has been strengthened.

Specifically, the inner wall of the transport box 2 is provided with a discharge hole 18.

In this embodiment, the transport pipe is connected to the discharge port 18, and the other end is connected to the boiler port for transporting the bed material.

Specifically, the front of the filter box 19 is rotatably connected with a sliding door 25 through a hinge, and the front of the sliding door 25 is fixedly connected with a handle.

In this embodiment, the sliding door 25 is opened to facilitate replacement of the dust bag 24.

Specifically, the inner wall fixedly connected with backup pad 26 of cutting case 3, fixed block fixedly connected with compression spring 27 is passed through at the top of backup pad 26, and fixed block fixedly connected with swash plate 28 is passed through on compression spring 27's top, and swash plate 28 rotates through the bull stick and the inner wall of cutting case 3 to be connected.

In this embodiment, coal falls onto the sloping plate 28, and the pressure of the coal on the sloping plate 28 is reduced by the compression spring 27, so that the first filter screen 11 is prevented from being damaged due to the direct impact of the coal on the first filter screen 11.

Specifically, the number of the hoses 23 and the dust bags 24 is two, and the hoses and the dust bags are identical in size and shape.

In the present embodiment, the dust collection efficiency is increased by providing a plurality of dust bags 24.

Specifically, the second filter 13 is located below the first filter 11, and the aperture of the second filter 13 is smaller than that of the first filter 11.

In this embodiment, the first filter screen 11 filters the scattered coal, and the second filter screen 13 screens the coal that can pass through the transportation pipe, and through multiple filtration, the coal can smoothly pass through the transportation pipe.

The utility model discloses a theory of operation and use flow: the conveying pipe is inserted into the discharge port 18, the other end of the conveying pipe is connected with a boiler port, coal is put into the cutting box 3 through the feed opening 4, the coal falls onto the first filter screen 11 through the inclined plate 28, the pressure of the coal on the first filter screen 11 is reduced through the compression spring 27, the service life is prolonged, the first motor 5 is opened, the first motor 5 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the sleeve 8 and the cutting blade 9 to rotate, the large coal is scattered for the first time, the cut coal falls onto the second filter screen 13 through the first filter screen 11, the second motor 6 is opened, the second motor 6 drives the cutting blade 12 to cut the coal for the second time, the cut coal falls into the conveying box 2 through the second filter screen 13, the third motor 16 is opened, the third motor 16 drives the screw blade 17 to rotate, the screw blade 17 drives the coal to be conveyed forwards and conveyed into the boiler through the conveying pipe, during the process of transporting coal, a large amount of dust is generated, the dust collector 21 is opened to suck the dust into the dust collection bag 24, the coal is left in the transport box 2 because of the third filter screen 15, and the sliding door 25 is opened when the dust collection bag 24 needs to be replaced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel circulating fluidized bed boiler bed material adds device, includes supporting seat (1), its characterized in that: the top of the supporting seat (1) is fixedly connected with a transportation box (2), the top of the transportation box (2) is fixedly connected with a cutting box (3), the top of the cutting box (3) is fixedly connected with a feed opening (4), the top of the cutting box (3) is fixedly connected with a first motor (5), one side of the cutting box (3) is fixedly connected with a second motor (6), an output shaft of the first motor (5) is fixedly connected with a rotating shaft (7), the outer surface of the rotating shaft (7) is fixedly connected with a sleeve (8), two sides of the sleeve (8) are fixedly connected with cutting blades (9), the bottom end of the rotating shaft (7) is rotatably connected with a first filter screen (11) through a connecting block (10), the first filter screen (11) is fixedly connected with the inner wall of the cutting box (3), and the output shaft of the second motor (6) is fixedly connected with a cutting blade (12), the inside fixedly connected with second filter screen (13) of cutting case (3), the bottom fixedly connected with inlet pipe (14) of cutting case (3), the inside fixedly connected with third filter screen (15) of transport case (2), inlet pipe (14) run through transport case (2) and third filter screen (15), the left side fixedly connected with third motor (16) of transport case (2), the output shaft fixedly connected with propeller blade (17) of third motor (16), one side of supporting seat (1) is equipped with rose box (19), the inside fixedly connected with baffle (20) of rose box (19), the top fixedly connected with dust catcher (21) of baffle (20), the input fixedly connected with straw (22) of dust catcher (21), straw (22) run through rose box (19) and transport case (2) and extend to the inside of transport case (2), the output end of the dust collector (21) is fixedly connected with a hose (23), and the bottom end of the hose (23) is connected with a dust collection bag (24) in a sliding manner.

2. The novel circulating fluidized bed boiler bed material adding device according to claim 1, characterized in that: the inner wall of the transport box (2) is provided with a discharge hole (18).

3. The novel circulating fluidized bed boiler bed material adding device according to claim 1, characterized in that: the front of the filter box (19) is rotatably connected with a sliding door (25) through a hinge, and the front of the sliding door (25) is fixedly connected with a handle.

4. The novel circulating fluidized bed boiler bed material adding device according to claim 1, characterized in that: the inner wall fixedly connected with backup pad (26) of cutting case (3), fixed block fixedly connected with compression spring (27) is passed through at the top of backup pad (26), fixed block fixedly connected with swash plate (28) is passed through on the top of compression spring (27), swash plate (28) are connected through the inner wall rotation of bull stick and cutting case (3).

5. The novel circulating fluidized bed boiler bed material adding device according to claim 1, characterized in that: the number of the hoses (23) and the dust collecting bags (24) is two, and the hoses and the dust collecting bags are identical in size and shape.

6. The novel circulating fluidized bed boiler bed material adding device according to claim 1, characterized in that: the second filter screen (13) is positioned below the first filter screen (11), and the pore diameter of the second filter screen (13) is smaller than that of the first filter screen (11).