CN219216354U

CN219216354U - Conveying system applied to top of pulverizer room

Info

Publication number: CN219216354U
Application number: CN202223482146.3U
Authority: CN
Inventors: 刘原麟; 倪鸿志; 陈秋杉; 范程
Original assignee: Acre Coking and Refractory Engineering Consulting Corp MCC
Current assignee: Acre Coking and Refractory Engineering Consulting Corp MCC
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-20
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of coking coal preparation system production, in particular to a conveying system applied to the top of a pulverizer chamber. The coal conveying belt comprises a headstock, an upper chute and a sealing curtain, wherein the upper chute is fixed on the headstock and a floor, the sealing curtain is fixedly connected to two sides of the bottom of the upper chute, a tail air collecting cover is fixedly connected to the top of the upper chute, and the chute at the bottom of the tail is fixed in a floor hole right below the upper chute. The movable belt conveyor comprises a frame, a head chute, a material guiding baffle plate and a material guiding chute, wherein the head chute is fixedly connected to the head of the frame, the material guiding baffle plate is fixedly connected to the middle part of the frame, and the material guiding chute is fixedly connected to the tail of the frame; the head wind collecting cover is arranged above the head chute, a gap is reserved between the head wind collecting cover and the head chute, and the head bottom chute is fixed in a floor hole under the head wind collecting cover. The coal can be sent to a plurality of small-sized crushers and can be sent to a large-sized crusher; but also meets the requirements of closed transfer and automatic remote control.

Description

Conveying system applied to top of pulverizer room

Technical Field

The utility model relates to the technical field of coking coal preparation system production, in particular to a conveying system applied to the top of a pulverizer chamber.

Background

The old coke ovens with carbonization chambers of 4.3 meters and below have the disadvantages of environmental protection facility lag, high ton Jiao Haore and the like, and face the requirements of national requirements for forced elimination of shutdown. Many coking enterprises choose to rebuild a large-sized volume coke oven in situ, and simultaneously perform energy expansion reformation on the original coal preparation system and the original coal gas purification system. There is also an increasing need for the crushing capacity of the crusher chamber as an important component of the coal preparation system. One of the improvement schemes is to add a large-sized pulverizer and 2 old small pulverizers (working simultaneously) for standby. This requires that a conveyor system be provided at the top of the pulverizer housing to deliver coal to both the old 2 small pulverizers and to the newly installed large pulverizers.

If an existing conveyor system is inserted into the lower portion of the chute at the head of the coal belt conveyor from a direction perpendicular to the direction of flow advance, the coal will now enter the newly placed large pulverizer from the coal belt conveyor by moving the belt conveyor. If the mobile belt conveyor is moved out of the chute, the coal enters the old 2 small crushers along with the chute. This process suffers from the following disadvantages:

(1) Due to the limitation of the height of the transmission roller of the coal conveyor belt, the material receiving section of the movable conveyor belt cannot be provided with a material guide groove, the material is easy to scatter when the coal is transferred, and the air draft and dust removal effects are poor due to poor tightness of the transfer area;

(2) When the coal conveyor belt is used for transferring the coal materials into the old 2 small crushers, the movable conveyor belt is required to be moved out of the lower part of the chute at the head part of the coal conveyor belt, so that two large holes are formed in the side wall of the lower part of the chute. Therefore, on-site operators are required to plug the holes, otherwise, the coal material is poor in tightness of the material scattering and transferring areas, and the air draft and dust removal effects are poor.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a conveying system applied to the top of a pulverizer room, which can be used for conveying coal materials to a plurality of small-sized pulverizers and to a large-sized pulverizer; but also meets the requirements of closed transfer and automatic remote control.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

a conveying system applied to the top of a pulverizer room comprises a movable belt conveyor, a coal conveying belt conveyor, a tail bottom chute, a head air collecting cover, a tail air collecting cover and a head bottom chute.

The coal conveying belt comprises a headstock, an upper chute and a sealing curtain, wherein the upper chute is fixed on the headstock and a floor, the sealing curtain is fixedly connected to two sides of the bottom of the upper chute, a tail air collecting cover is fixedly connected to the top of the upper chute, and the chute at the bottom of the tail is fixed in a floor hole right below the upper chute.

The movable belt conveyor comprises a frame, a head chute, a material guiding baffle plate and a material guiding chute, wherein the head chute is fixedly connected to the head of the frame, the material guiding baffle plate is fixedly connected to the middle part of the frame, and the material guiding chute is fixedly connected to the tail of the frame; the head wind collecting cover is arranged above the head chute, a gap is reserved between the head wind collecting cover and the head chute, and the head bottom chute is fixed in a floor hole under the head wind collecting cover.

Further, the upper chute is fixed to the head frame via channel steel and to the floor face via chute supports.

Further, the device also comprises a striker, wherein the striker is fixed on the frame at the middle part of the material guiding chute.

Further, the first working state and the second working state are carried out when the conveying system works,

first operating state: the head chute of the movable belt conveyor is positioned right below the head wind collecting cover and right above the bottom chute of the head; the material guiding baffle plate is positioned right below the upper chute and right above the chute at the bottom of the tail part; at the moment, the chute at the upper part of the coal conveyor belt, the material guide baffle plate and the sealing curtain form a closed transfer environment, which is favorable for the air suction and dust removal of the fan through the tail air collecting hood.

The second working state: the movable belt conveyor material guiding chute is positioned under the upper chute and is positioned over the tail bottom chute, and at the moment, the upper chute, the material guiding chute and the tail bottom chute of the movable belt conveyor form a closed transfer environment, so that the fan can exhaust and remove dust through the tail air collecting cover.

Further, still include limit switch A and limit switch B, when first operating condition, limit switch A sets up on the floor face of guide sideboard middle part position, and limit switch B sets up on the floor face of guide chute middle part position.

Further, the upper chute is not contacted with the material guiding chute, and a gap of 20-50 mm is reserved on the height; the material guiding chute is not contacted with the chute at the bottom of the tail part, and a gap of 20-50 mm is reserved on the height.

Further, when the conveying system is switched from the first operation to the second operation, the running motor positively rotates to drive the whole movable belt conveyor to move forward until the iron bumps against the limit opening Guan Jia; when the working state is switched from the second working state to the first working state, the running motor reversely drives the whole movable belt conveyor to retreat until the impact iron touches the limit switch B.

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

1) The utility model has two working states, wherein in the first working state, the chute at the upper part of the coal belt conveyor, the material guide baffle plate and the sealing curtain form a closed transfer environment, which is beneficial to the air suction and dust removal of the fan through the tail air collecting cover. In the second working state, the upper chute, the material guiding chute and the bottom chute of the tail part of the coal belt conveyor form a closed transfer environment, which is beneficial to the air suction and dust removal of the fan through the tail air collecting hood.

Under any working state, the utility model realizes the closed coal material transfer environment, not only prevents the coal material from being scattered outwards, but also is beneficial to the air suction and dust removal of the fan through the tail air collecting cover.

2) When the utility model is switched from the first operation to the second operation, the running motor positively rotates to drive the whole movable belt conveyor to move forwards until the iron bumps against the limit opening Guan Jia; when the working state is switched from the second working state to the first working state, the running motor reversely drives the whole movable belt conveyor to retreat until the impact iron touches the limit switch B.

The utility model has simple working state switching and meets the requirement of realizing remote automatic control.

Drawings

FIG. 1 is a schematic view of a first operating condition structure of the present utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a sectional view B-B of FIG. 1;

FIG. 4 is a schematic view of the structure of the second working state of the present utility model;

fig. 5 is a C-C cross-sectional view of fig. 4.

In the figure: 1. the movable belt conveyor 2, the upper chute 3, the guide baffle 4, the guide chute 5, the head bottom chute 6, the travelling rail 7, the tail bottom chute 8, the transmission roller 9, the channel steel 10, the chute supporting piece 11, the sealing curtain 12, the head air collecting cover 13, the tail air collecting cover 14 and the iron 15 limit switch A16 limit switch B

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-5, a conveying system applied to the top of a pulverizer room comprises a movable belt conveyor 1, a coal conveyor belt, a tail bottom chute 7, a head air collecting hood 12, a tail air collecting hood 13, a head bottom chute 5, a collision iron 14, a limit switch A15 and a limit switch B16.

The conveyor comprises a headstock, an upper chute 2, a sealing curtain 11, a driving roller 8, a channel 9 and a chute support 10. The upper chute 2 is secured to the head frame by channel steel 9 and to the floor face by chute supports 10.

The sealing curtains 11 are fixedly connected to two sides of the bottom of the upper chute 2, the tail air collecting cover 13 is fixedly connected to the top of the upper chute 2, and the tail bottom chute 7 is fixed in a floor hole right below the upper chute 2.

The movable belt conveyor 1 comprises a frame, a head chute, a guide baffle plate 3, a guide chute 4 and a shape-changing track 6, wherein the head chute is fixedly connected to the head of the frame, the guide baffle plate 3 is fixedly connected to the middle of the frame, and the guide chute 4 is fixedly connected to the tail of the frame. The head wind collecting cover 12 is positioned above the head chute, a gap is reserved between the head wind collecting cover and the head chute, and the head bottom chute 5 is fixed in a floor hole under the head wind collecting cover 12. The iron striker 14 is fixed on the frame at the middle part of the material guiding chute 4 and is positioned at the tail part of the frame.

The conveying system is in a first working state and a second working state when in work.

First operating state: the head chute of the mobile belt conveyor 1 is positioned right below the head wind collecting cover 12 and right above the head bottom chute 5; the material guiding baffle plate 3 is positioned right below the upper chute 2 and right above the tail bottom chute 7. The first working state is that the coal is sent to a large-sized pulverizer, the coal is transferred to the movable belt conveyor 1 by the coal transfer belt conveyor, and at the moment, the chute 2, the material guide baffle plate 3 and the sealing curtain 11 on the upper part of the coal transfer belt conveyor form a closed transfer environment, so that the air suction and dust removal of the fan through the tail air collecting hood are facilitated.

The second working state: the material guiding chute 4 of the movable belt conveyor 1 is positioned right below the upper chute 2 and right above the tail bottom chute 7. The coal is fed into 2 small crushers by a coal belt conveyor through an upper chute 2, a guide chute 4, a tail bottom chute 7 and the like. At the moment, the upper chute, the material guiding chute and the bottom chute of the tail part of the coal belt conveyor form a closed transfer environment, which is beneficial to the air suction and dust removal of the fan through the tail part wind collecting hood.

Further, the novel guide chute further comprises a limit switch A15 and a limit switch Guan Yi, wherein in the first working state, the limit switch A15 is arranged on the floor surface of the middle position of the guide baffle 3, and the limit switch B16 is arranged on the floor surface of the middle position of the guide chute 4.

Further, the upper chute 2 is not contacted with the material guiding chute 4, and a gap of 20-50 mm is reserved on the height; the material guiding chute 4 is not contacted with the chute 7 at the bottom of the tail part, and a gap of 20-50 mm is reserved on the height.

Further, when the conveying system is switched from the first operation to the second operation, the running motor of the moving belt conveyor 1 rotates forward to drive the whole moving belt conveyor 1 to move forward until the impact iron 14 touches the limit switch A15. When the working state is switched from the second working state to the first working state, the running motor reversely drives the whole movable belt conveyor 1 to retreat until the impact iron touches the limit opening Guan Yi.

The coal can be sent to a plurality of small-sized crushers and can be sent to a large-sized crusher; but also meets the requirements of closed transfer and automatic remote control.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A conveyor system for use at the top of a shredder housing, comprising: the device comprises a movable belt conveyor, a coal conveying belt conveyor, a tail bottom chute, a head air collecting cover, a tail air collecting cover and a head bottom chute;

the coal-entering belt conveyor comprises a headstock, an upper chute and a sealing curtain, wherein the upper chute is fixed on the headstock and a floor slab surface, the sealing curtain is fixedly connected to two sides of the bottom of the upper chute, a tail air collecting cover is fixedly connected to the top of the upper chute, and a tail bottom chute is fixed in a floor slab hole right below the upper chute;

2. A conveyor system for use on top of a shredder housing according to claim 1, wherein: the upper chute is fixed on the headstock through channel steel and is fixed on the floor surface through a chute supporting piece.

3. A conveyor system for use on top of a shredder housing according to claim 1, wherein: the device also comprises a collision iron, wherein the collision iron is fixed on the frame at the middle part of the material guiding chute.

4. A conveyor system for use on top of a shredder housing according to claim 1, wherein: the conveying system is in a first working state and a second working state when in work,

first operating state: the head chute of the movable belt conveyor is positioned right below the head wind collecting cover and right above the bottom chute of the head; the material guiding baffle plate is positioned right below the upper chute and right above the chute at the bottom of the tail part; at the moment, the upper chute, the material guiding baffle plate and the sealing curtain of the coal conveying belt form a closed transfer environment, so that the draught fan is favorable for exhausting and dedusting through the tail air collecting hood;

5. A conveyor system for use on top of a shredder housing according to claim 4, wherein: still include limit switch A and limit switch B, when first operating condition, limit switch A sets up on the floor face of guide baffle middle part position, and limit switch B sets up on the floor face of guide chute middle part position.

6. A conveyor system for use on top of a shredder housing according to claim 4, wherein: the upper chute is not contacted with the material guiding chute, and a gap of 20-50 mm is reserved on the height; the material guiding chute is not contacted with the chute at the bottom of the tail part, and a gap of 20-50 mm is reserved on the height.

7. A conveyor system for use on top of a shredder housing according to claim 4, wherein: when the conveying system is switched from the first type of operation to the second type of operation, the running motor positively rotates to drive the whole movable belt conveyor to move forward until the iron bumps against the limit opening Guan Jia; when the working state is switched from the second working state to the first working state, the running motor reversely drives the whole movable belt conveyor to retreat until the impact iron touches the limit switch B.