CN216954100U

CN216954100U - Chain grate air box branch pipe accumulated dust cleaning structure

Info

Publication number: CN216954100U
Application number: CN202220431079.3U
Authority: CN
Inventors: 倪曙光; 孙杰; 杨传友; 刘飞
Original assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Current assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-12
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a chain grate air box branch pipe accumulated dust cleaning structure which comprises a chain grate main body, wherein an air box branch pipe is arranged at the bottom of the chain grate main body, an dust guide pipe is fixedly connected to the bottom of the air box branch pipe, an air box dust leg is fixedly connected to the bottom end of the dust guide pipe, the top of the air box dust leg is fixedly connected with the chain grate main body, a dust conveying belt is arranged below the air box dust leg, a supporting plate is arranged inside the dust conveying belt, two rotating wheels are arranged above the dust conveying belt, rotating shafts are fixedly sleeved inside the two rotating wheels, two ends of each rotating shaft are rotatably connected with a fixing plate, and the fixing plates are fixedly connected with the chain grate main body. The utility model can ensure the hot air circulation of the branch pipe of the air box, stabilize the required temperature of green ball drying and preheating, reduce the frequency conversion operation of the fan, reduce the power consumption waste, save the consumption of a coal gas heat source, avoid manual ash removal and ensure the body health of staff.

Description

Chain grate air box branch pipe accumulated dust cleaning structure

Technical Field

The utility model relates to the technical field of chain grate machines, in particular to a dust-accumulated cleaning structure for a branch pipe of a wind box of a chain grate machine.

Background

The pellet chain grate evenly distributes green pellets on a grate bed of the chain grate, and the green pellets are dried and preheated by air draft of a wind box flue. The long-term production causes the rear part of the butterfly valve of the air box branch pipe to be seriously accumulated with dust, and the hot air circulation is influenced, so that the frequency conversion of a fan is forced to be increased to improve the air quantity, and the electricity consumption is increased and the pellet production quality is reduced. At present, the accumulated dust of the air box branch pipe of the pellet chain grate can only be increased by the frequency conversion of a high-temperature fan or a main exhaust fan to increase the air volume to maintain production, the air volume is increased to a certain degree, shutdown maintenance is carried out when the quality of pellet ore is influenced, manual work is carried out to enter a flue to clean up, so that labor is wasted, the production efficiency of an enterprise is influenced, and the accumulated dust cleaning structure of the air box branch pipe of the chain grate is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a chain grate air box branch pipe accumulated dust cleaning structure.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a chain grate bellows branch pipe deposition clearance structure, includes the chain grate main part, the bottom of chain grate main part is equipped with bellows branch pipe, the bottom fixedly connected with ash guide pipe of bellows branch pipe, the bottom fixedly connected with bellows ash leg of ash guide pipe, the top and the chain grate main part fixed connection of bellows ash leg, the below of bellows ash leg is equipped with defeated grey belt, the inside of defeated grey belt is equipped with the layer board, the top of defeated grey belt is equipped with two and rotates the wheel, two the fixed cover in inside that rotates the wheel is equipped with the pivot, the both ends of pivot are rotated and are connected with the fixed plate, and fixed plate and chain grate main part fixed connection, the fixed cover in outside of pivot is equipped with the cam, the top of cam is equipped with stirs the subassembly.

Preferably, the poking assembly comprises a bouncing plate movably sleeved outside the ash guide pipe, and the bottom of the bouncing plate is fixedly connected with a squeezing plate.

Preferably, the jump board is provided with a movable hole, the ash guide pipe penetrates through the movable hole, the limiting plate is fixedly sleeved outside the ash guide pipe, and the outer diameter of the limiting plate is larger than the inner diameter of the movable hole.

Preferably, a transverse plate is fixedly connected between the fixed plate and the main body of the chain grate, bearings are fixedly sleeved at two ends of the rotating shaft, and the bearings are fixedly connected with the fixed plate.

Preferably, the rotating wheel is externally provided with an anti-slip rubber, and the ash conveying belt is in close contact with the anti-slip rubber.

Preferably, defeated grey belt includes two transfer rollers and conveyer belt, the conveyer belt cover is established in the outside of two transfer rollers, the both ends of transfer roller are rotated and are connected with splint, and layer board and splint fixed connection.

Preferably, the bottom end of the ash guide pipe is communicated with the ash leg of the wind box.

Compared with the prior art, the utility model has the advantages that:

through setting up bellows branch pipe, the ash guide pipe, bellows ash leg, defeated grey belt, the layer board, the fixed plate, a rotating shaft, the rotating wheel, a cam, the limiting plate, springboard and stripper plate isotructure, wherein the deposition in the bellows branch pipe is collected in falling into bellows ash leg through the ash guide pipe, the deposition has been eliminated, it is stable to have ensured heated air circulation, the frequency conversion operation of high temperature fan and main air exhauster has been reduced, the green pellet is dry and the effect of preheating has been guaranteed, pellet quality has been improved, bellows branch pipe heated air circulation has been guaranteed to this scheme, the dry demand temperature with preheating of green pellet has been stabilized, the fan frequency conversion operation has been reduced, it is extravagant to reduce the power consumption, coal gas heat source consumption has been practiced thrift, artifical entering deashing, staff's healthy has been guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view block diagram of the present invention;

FIG. 3 is a top view of the present invention;

fig. 4 is a perspective view of the present invention.

In the figure: 1 main body of chain grate, 2 branch pipes of wind box, 3 ash guide pipes, 4 ash legs of wind box, 5 ash conveying belts, 6 support plates, 7 fixed plates, 8 rotating shafts, 9 rotating wheels, 10 cams, 11 limit plates, 12 trip plates and 13 extrusion plates.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.

Referring to fig. 1-4, the utility model provides a chain grate air box branch pipe accumulated dust cleaning structure, comprising a chain grate main body 1, an air box branch pipe 2 is arranged at the bottom of the chain grate main body 1, an dust guide pipe 3 is fixedly connected at the bottom of the air box branch pipe 2, an air box dust leg 4 is fixedly connected at the bottom end of the dust guide pipe 3, the top of the air box dust leg 4 is fixedly connected with the chain grate main body 1, a dust conveying belt 5 is arranged below the air box dust leg 4, a supporting plate 6 is arranged inside the dust conveying belt 5, two rotating wheels 9 are arranged above the dust conveying belt 5, a rotating shaft 8 is fixedly sleeved inside the two rotating wheels 9, fixed plates 7 are rotatably connected at two ends of the rotating shaft 8, the fixed plates 7 are fixedly connected with the chain grate main body 1, a cam 9 is fixedly sleeved outside the rotating shaft 8, a stirring assembly is arranged above the cam 9, the stirring assembly can jump up and down, so as to drive the dust guide pipe 3 to vibrate, the ash guiding pipe 3 is convenient to guide ash.

As shown in fig. 4, the toggle assembly comprises a trip plate 12 movably sleeved outside the ash guide pipe 3, the bottom of the trip plate 12 is fixedly connected with an extrusion plate 13, the extrusion plate 13 is jacked by the cam 10, the extrusion plate 13 can drive the trip plate 12 to jump upwards, and the trip plate can fall onto the ash guide pipe 3 under the action of gravity, so that the ash guide pipe 3 can be vibrated, and ash can be conveniently and smoothly dropped.

As shown in fig. 4, a movable hole is formed in the trip plate 12, the dust guide pipe 3 penetrates through the movable hole, a limiting plate 11 is fixedly sleeved outside the dust guide pipe 3, the outer diameter of the limiting plate 11 is larger than the inner diameter of the movable hole, the limiting plate 11 limits the trip plate 12, and the trip plate 12 is prevented from sliding down.

As shown in fig. 2, a transverse plate is fixedly connected between the fixed plate 7 and the drying grate body 1, bearings are fixedly sleeved at two ends of the rotating shaft 8 and are fixedly connected with the fixed plate 7, and the rotating shaft 8 is rotatably connected with the fixed plate 7 by means of the bearings.

Furthermore, the outside of the rotating wheel 9 is provided with anti-skid rubber, the ash conveying belt 5 is in close contact with the anti-skid rubber, the ash conveying belt 5 can drive the rotating wheel 9 to rotate through the friction force generated by the close contact with the anti-skid rubber when being conveyed, and thus the rotating wheel 9 can drive the rotating shaft 8 to rotate and further drive the cam 10 to rotate.

As shown in fig. 1, the ash conveying belt 5 comprises two conveying rollers and a conveying belt, the conveying belt is sleeved outside the two conveying rollers, the two ends of the conveying rollers are connected with clamping plates in a rotating mode, the supporting plates 6 are fixedly connected with the clamping plates, the conveying belts are conveniently lifted by the supporting plates 6, and sufficient friction force is guaranteed between the conveying belts and the rotating wheels 9.

Further, the bottom end of the dust guide pipe 3 is communicated with the dust leg 4 of the air box.

The detailed working principle is as follows: defeated grey belt 5 rotates when sending the ash, defeated grey belt 5 can be through the frictional force that produces with the sliding rubber in close contact with when carrying, it rotates wheel 9 and rotates to drive, it can drive pivot 8 and rotate to rotate like this, and then drive cam 10 and rotate, cam 10 can jacking stripper plate 13, stripper plate 13 can drive the trip plate 12 and beat upwards, the trip plate 12 can fall on leading grey pipe 3 under the action of gravity, can vibrate leading grey pipe 3 like this, thereby convenient smooth and easy ash falling, the deposition of 2 inside bellows branch pipes of bellows passes through leading grey pipe 3 and falls in bellows grey leg 4 like this, it sends away on defeated grey belt 5 to fall at last.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications can be made by the owner within the scope of the appended claims, and the scope of the present invention should be covered by the owner as long as the protection scope of the present invention is not exceeded by the claims.

Claims

1. The utility model provides a chain grate bellows branch pipe deposition clearance structure, includes the chain grate main part, its characterized in that, the bottom of chain grate main part is equipped with the bellows branch pipe, the bottom fixedly connected with ash guide pipe of bellows branch pipe, the bottom fixedly connected with bellows ash leg of ash guide pipe, the top and the chain grate main part fixed connection of bellows ash leg, the below of bellows ash leg is equipped with ash conveying belt, ash conveying belt's inside is equipped with the layer board, ash conveying belt's top is equipped with two and rotates the wheel, two the fixed cover in inside that rotates the wheel is equipped with the pivot, the both ends of pivot are rotated and are connected with the fixed plate, and fixed plate and chain grate main part fixed connection, the fixed cover in outside of pivot is equipped with the cam, the top of cam is equipped with stirs the subassembly.

2. The dust-collecting cleaning structure of the grate windbox branch pipe of claim 1, wherein: the poking assembly comprises a poking plate movably sleeved outside the ash guide pipe, and the bottom of the poking plate is fixedly connected with an extrusion plate.

3. The dust collecting and cleaning structure of the grate windbox branch pipe according to claim 2, characterized in that: the movable hole has been seted up on the trip plate, and lead the ash pipe and run through the movable hole, the outside fixed cover of ash pipe is equipped with the limiting plate, and the external diameter of limiting plate is greater than the internal diameter of movable hole.

4. The dust-collecting cleaning structure of the grate windbox branch pipe of claim 1, wherein: the fixed plate is fixedly connected with a transverse plate between the fixed plate and the chain grate main body, bearings are fixedly sleeved at two ends of the rotating shaft, and the bearings are fixedly connected with the fixed plate.

5. The dust-collecting cleaning structure of the grate windbox branch pipe of claim 1, wherein: and the outer part of the rotating wheel is provided with anti-skid rubber, and the ash conveying belt is in close contact with the anti-skid rubber.

6. The dust-collecting cleaning structure of the grate windbox branch pipe of claim 1, wherein: defeated grey belt includes two transfer rollers and conveyer belt, the conveyer belt cover is established in the outside of two transfer rollers, the both ends of transfer roller are rotated and are connected with splint, and layer board and splint fixed connection.

7. The dust-collecting cleaning structure of the grate windbox branch pipe of claim 1, wherein: the bottom end of the ash guide pipe is communicated with the ash leg of the air box.