CN218627804U

CN218627804U - Smoke dust gas-collecting hood

Info

Publication number: CN218627804U
Application number: CN202222977105.5U
Authority: CN
Inventors: 李磊; 王诚; 何东杰; 郝腾飞
Original assignee: Anhui Huibai Environmental Protection Technology Co ltd
Current assignee: Anhui Huibai Environmental Protection Technology Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-03-14
Anticipated expiration: 2032-11-08

Abstract

The utility model discloses a smoke and dust gas collecting channel, including installing in the backup pad of kiln upside, the backup pad has the intermediate layer, and the charge door runs through the backup pad and communicates the intermediate layer, installs feed hopper between charge door and the fire door, and one side intercommunication that the charge door was kept away from to the backup pad has the exhaust tube. Reduce a large amount of flue gas diffusion phenomena in charge door position, the overwhelming majority is absorbed by intermediate layer negative pressure when passing through the charge door position, shifts, and interbedded existence reduces heat transfer, prevents scalding because most smoke and dust are absorbed by the intermediate layer, so the visibility of charge door position improves, seeing the kiln refining condition that the staff can know, reserves the more wideer space in charge door top.

Description

Smoke dust gas-collecting hood

Technical Field

The utility model belongs to the technical field of the industrial flue gas is handled, especially, relate to a smoke and dust gas collecting channel.

Background

The existing single-substance lead metal refining process is to crush lead ore into powder and then mix the powder with auxiliary materials such as carbon powder and the like for refining.

The refining process is to add the mixed powder into a stainless steel kiln, introduce air as combustion-supporting and refine at high temperature, the temperature of the melted powder in the kiln body reaches above 1300 ℃ and is in a magma state, the magma state is separated, the refining process is a flow system, in order to keep the refining process uninterrupted, the kiln is not only provided with a material discharging device, but also the top of the kiln is provided with two material charging openings, generally, the kiln melts the powder in the magma state under the high-temperature electric heating state and is accompanied by high-temperature flue gas, and the high-temperature flue gas consists of granular dust, sulfur dioxide and other gases.

The charge door of kiln carries out continuous reinforced through extensible track conveyer, and the lead that becomes the simple substance is discharged by the bin outlet, because do not have solitary discharge port, the flue gas that the kiln burning produced is also arranged along the charge door outward, in order to prevent the flue gas diffusion, is provided with smoke absorption pipeline in the top of charge door, just to the charge door, still will reserve certain height simultaneously for conveying track is reinforced. Therefore, the construction of workers at the feed inlet of the kiln is inconvenient, and the smoke suction pipeline is arranged above the feed inlet in an overhead mode, so that the negative pressure suction capacity of the smoke suction pipeline is greatly reduced due to the overhead section in the middle, a large amount of smoke is overflowed, and the health of workers is affected. Simultaneously because the flue gas shelters from the charge door, the staff is difficult to see the inside refining condition of kiln clearly, moreover, the earth's surface of kiln upside is heated to a very high temperature, melts the sole even.

Therefore, according to the problem that above current gas collecting channel appears, the utility model discloses the structure of main improvement gas collecting channel solves the flue gas absorption inefficiency, is difficult to observe and the high problem of construction position temperature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a smoke and dust gas collecting channel, the structure of main improvement gas collecting channel solves the flue gas absorption inefficiency, is difficult to observe and the high problem of construction position temperature.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

a smoke dust gas-collecting hood comprises a support plate arranged on the upper side of a kiln, wherein the support plate is provided with an interlayer;

the supporting plate is provided with a feeding port corresponding to the position of the furnace opening on the upper side of the kiln, and the feeding port penetrates through the supporting plate and is communicated with the interlayer;

install feed hopper between charge door and the furnace mouth, one side intercommunication that the charge door was kept away from to the backup pad has the exhaust tube.

Further, feed hopper is for leaking hopper-shaped, and the upside is wide mouthful the side and is communicate the intermediate layer, and lower floor's binding off side communicates the fire door, the backup pad corresponds the upside of charge door and has the collection cover.

Furthermore, the feed inlet is two, the backup pad corresponds to and has the support column between two feed inlets, the support column is the strip, and the cross-section is worker shape, and the upper and lower holding surface of support column supports lateral wall about the intermediate layer.

Furthermore, still have a plurality of supporting components in the intermediate layer that the backup pad corresponds, supporting component includes the vertical pipe of placing, the mouth of pipe supports in the upper and lower lateral wall of intermediate layer, the mouth of pipe has annular holding surface.

The utility model discloses following beneficial effect has: reduce a large amount of flue gas diffusion phenomena in charge door position, the overwhelming majority is absorbed by intermediate layer negative pressure when passing through the charge door position, shifts, and the tradition is installed in the backup pad of kiln upside, does not have the intermediate layer, and the staff must wear special high temperature resistant shoes just can walk on it, and the interbedded existence here reduces heat transfer, prevents scalding. Because most smoke and dust are absorbed by the intermediate layer, so the visibility of charge door position improves, and the staff can be clear see the kiln refining condition, and traditional collection petticoat pipe is located the charge door top, and this technical scheme avoids this mounting means, reserves the wider space in charge door top.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used for describing the embodiments will be briefly described below.

FIG. 1: the utility model discloses the schematic structure.

FIG. 2: the utility model has a structural schematic diagram of a cutting plane.

FIG. 3: the utility model discloses mounting structure schematic diagram.

In the drawings, the components represented by the respective reference numerals are listed below: the device comprises a support plate 1, an interlayer 11, a kiln 2, a feed inlet 12, a feed hopper 3, an exhaust pipe 13, a collection cover 14, a support column 4 and a support assembly 5.

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.

As shown in fig. 1-3: a smoke dust gas-collecting hood comprises a supporting plate 1 arranged on the upper side of a kiln 2, wherein the supporting plate 1 is provided with an interlayer 11; the support plate is provided with an interlayer, which is equivalent to the shell, on one hand, the support plate is used for supporting workers during working, and the workers can walk and work on the upper side of the support plate and also can be used as a gas collecting hood. The interlayer is flat.

The supporting plate 1 is provided with a charging hole 12 corresponding to the position of the upper furnace mouth of the kiln 2, and the charging hole 12 penetrates through the supporting plate 1 and is communicated with the interlayer 11; the furnace mouth of the kiln is used for adding granular powder and discharging burnt smoke, and the smoke has high dust content and is accompanied with high temperature.

A charging hopper 3 is arranged between the charging opening 12 and the furnace mouth, and one side of the supporting plate 1 far away from the charging opening 12 is communicated with an exhaust tube 13. The charge door is used for replenishing the graininess powder, and the kiln is the sustainability refining furnace, smelts metal through electrical heating, smashes into the graininess powder with the ore, then adds to the kiln, adds through the fire door, through a telescopic conveyer belt during the addition, and control transmission speed adds the charge door that the powder was seted up through the backup pad upside, and the powder shifts to the kiln through feed hopper, smelts and burns, can see mobile state magma, and the temperature reaches more than 1200 ℃.

The gas collecting channel under traditional processing state installs in the fire door top alone, because conveyer belt equipment in addition between the two, so the distance is great between gas collecting channel and the fire door, and the dust flue gas causes a large amount of diffusion at the position diffusion of fire door, and is also very big to staff's harm. Therefore, the gas collecting hood is designed into a plate shape, has an interlayer and is used for workers to stand, the interlayer is in a negative pressure state through the exhaust pipe, and the smoke is sucked into the interlayer by the negative pressure suction effect of the interlayer when passing through the position of the feeding port and is further extracted through the exhaust pipe to enter the next stage for harmless treatment.

Reduce a large amount of flue gas diffusion phenomena in charge door position, most are absorbed by the intermediate layer negative pressure when passing through the charge door position, shift, and the tradition is installed in the backup pad of kiln upside, does not have the intermediate layer, and the staff must wear special high temperature resistant shoes just can walk on it, and interbedded existence here reduces heat transfer, prevents scalding. Because most smoke and dust are absorbed by the intermediate layer, so the visibility of charge door position improves, and the staff can be clear see the kiln refining condition, and traditional collection petticoat pipe is located the charge door top, and this technical scheme avoids this mounting means, reserves the wider space in charge door top.

As shown in fig. 2: the feeding funnel 3 is funnel-shaped, the upper side opening widening side is communicated with the interlayer 11, the lower layer opening closing side is communicated with the furnace opening, and the upper side of the supporting plate 1 corresponding to the feeding opening 12 is provided with a collecting cover 14. The feeding hopper is a square hopper, and the corresponding upper side feeding port is provided with an extension for accurately aligning the conveying belt and accurately discharging.

As shown in fig. 2: the feed inlet is two, has support column 4 between two feed inlets that backup pad 1 corresponds, and support column 4 is the strip, and the cross-section is worker shape, and the upper and lower holding surface of support column 4 supports in the upper and lower lateral wall of intermediate layer 11. The interlayer 11 corresponding to the supporting plate is also provided with a plurality of supporting components 5, each supporting component 5 comprises a vertically placed circular tube, the pipe orifice of each circular tube is supported on the upper side wall and the lower side wall of the interlayer, and the pipe orifice of each circular tube is provided with an annular supporting surface. Because the backup pad still is used for the staff to walk, inside intermediate layer is trampled easy deformation under the condition for a long time, consequently installation supporting component and support column in the intermediate layer improve support intensity, and the both sides charge door is separated to the support column, is convenient for part two strands of flue gases, improves collection efficiency.

The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention.

Claims

1. A smoke and dust gas collecting channel which characterized in that:

comprises a supporting plate (1) arranged at the upper side of a kiln (2), wherein the supporting plate (1) is provided with an interlayer (11);

the supporting plate (1) is provided with a feeding hole (12) corresponding to the position of the upper furnace mouth of the kiln (2), and the feeding hole (12) penetrates through the supporting plate (1) and is communicated with the interlayer (11);

install between charge door (12) and the furnace mouth feed hopper (3), one side intercommunication that charge door (12) were kept away from in backup pad (1) has exhaust tube (13).

2. The smoke and dust collecting hood according to claim 1, wherein: charging hopper (3) are for leaking hopper-shaped, and the side intercommunication intermediate layer (11) is widened to the upside, and lower floor's closing in mouth side intercommunication fire door, backup pad (1) corresponds the upside of charge door (12) and has collection cover (14).

3. The smoke and dust collecting hood according to claim 1, wherein: the feed inlet is two, backup pad (1) corresponds two feed inlets between have support column (4), support column (4) are the strip, and the cross-section is worker shape, and the upper and lower holding surface of support column (4) supports lateral wall about intermediate layer (11).

4. The smoke and dust collecting hood according to claim 1, wherein: still have a plurality of supporting component (5) in the intermediate layer (11) that the backup pad corresponds, supporting component (5) are including the vertical pipe of placing, the mouth of pipe supports in the upper and lower lateral wall of intermediate layer, the mouth of pipe has annular holding surface.