CN213266573U

CN213266573U - A environmental protection petticoat pipe for converter

Info

Publication number: CN213266573U
Application number: CN202021289760.6U
Authority: CN
Inventors: 曹喜军; 刘锦强; 韩报明; 刘艳飞; 刘元霞
Original assignee: Jingye Steel Co Ltd
Current assignee: Jingye Steel Co Ltd
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2021-05-25
Anticipated expiration: 2030-07-04

Abstract

The utility model relates to the technical field of converter environmental protection, in particular to an environmental protection smoke hood for a converter, which comprises a hood body, wherein a movable block is rotatably arranged in an internal cavity of the hood body through a rotating shaft, a conveying channel is arranged in the hood body and is communicated with the cavity, radiating fins which are distributed in a staggered way are arranged on the top wall and the bottom wall of the conveying channel, and an outlet is arranged on the lower half part of the side surface of the hood body. The device has the advantages of simple structure, low manufacturing cost, good use effect, and better popularization and practicability.

Description

A environmental protection petticoat pipe for converter

Technical Field

The utility model relates to a converter environmental protection technical field especially relates to an environmental protection petticoat pipe for converter.

Background

Converter smelting is an important component of steel smelting, and a converter generates a large amount of flue gas in the steel making process, and the flue gas is an important atmospheric pollution source, so that the flue gas needs to be filtered along the converter.

Under the traditional filter device, the smoke discharged by the converter can be filtered along the filter device, but because the temperature of the smoke discharged by the converter is very high, if only toxic substances along the filter device are discharged, the temperature of the smoke cannot be reduced, and the filter device is not beneficial to environmental protection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the flue gas discharged from the converter is purified by the filtering equipment in the prior art, but the flue gas cannot be cooled simultaneously, so that the flue gas is not beneficial to environmental protection, and the proposed environmental protection smoke hood for the converter.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an environmental protection petticoat pipe for converter, includes the cover body, the cavity is reserved to the inside of the cover body, rotates through the pivot in the cavity and installs the movable block, offers out the through-hole on the movable block, and the breach is offered out to one side of cavity edge its roof, is provided with rotatable cam in the breach, the cam with the movable block offsets, transfer passage is offered out to the inside of the cover body, and transfer passage keeps the intercommunication with the cavity, and the transfer passage slope upwards extends to the outside of the cover body and designs for the entry, and transfer passage's roof and diapire are provided with the fin that the stagger was distributed, transfer passage's pipeline is close to the inboard of entry and is provided with the filter screen mounting bracket, is provided with detachable filter screen on the filter screen mounting bracket, the export has.

Preferably, the movable block comprises a long arm end and a short arm end, the long arm end and the short arm end are integrally formed, and the through hole is formed in the long arm end.

Preferably, the cavity wall contour of the cavity is matched with the shape of the movable block.

Preferably, a driving motor is arranged in the cover body, and the output end of the driving motor is concentrically and fixedly connected with the rotation center of the cam through a driving shaft.

Preferably, the inlet and the outlet are located at two different sides of the cover body, the inlet is located at the upper part, and the outlet is located at the lower part.

Preferably, the end area of the end of the elongate arm is greater than the port area of the outlet.

Preferably, the filter screen is mounted on the filter screen mounting bracket by means of fasteners or by adhesive bonding.

The utility model has the advantages that: through the environmental protection petticoat pipe that this scheme provided, it purifies converter exhaust flue gas to have solved through filtration equipment, but can't cool down simultaneously and handle, be unfavorable for the problem of environmental protection, through detachable filter screen design on the environmental protection petticoat pipe, greatly reduced filters the cost of maintaining, economic benefits promotes, and the fin of staggered distribution is abundant to contact with high temperature flue gas, can effectively reduce its temperature, alleviate waste gas to the pressure of environment, be favorable to the environmental protection, equipment structure is simple, low in manufacturing cost, excellent in use effect, better popularization nature and practicality have.

Drawings

Fig. 1 is a schematic structural view of an environment-friendly smoke hood for a converter according to the present invention;

FIG. 2 is a schematic structural view of a filter screen mounting rack of an environmental protection hood for a converter according to the present invention;

fig. 3 is a schematic structural view of a movable block of the environmental protection hood for the converter provided by the utility model.

In the figure: the device comprises a cover body 1, a cavity 2, a movable block 3, a long arm end 31, a short arm end 32, a rotating shaft 4, a through hole 5, a notch 6, a cam 7, a conveying channel 8, an inlet 9, a radiating fin 10, a filter screen mounting rack 11 and an outlet 12.

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.

In the embodiment, referring to fig. 1-3, an environment-friendly smoke hood for a converter comprises a hood body 1, a cavity 2 is reserved inside the hood body 1, a movable block 3 is rotatably installed in the cavity 2 through a rotating shaft 4, the cavity wall outline of the cavity 2 is matched with the shape of the movable block 3, in addition, the movable block 3 is composed of a long arm end 31 and a short arm end 32 in combination with the attached

drawings

1 and 3, the long arm end 31 and the short arm end 32 are integrally formed, a through hole 5 is formed in the movable block 3, the through hole 5 is located at the long arm end 31, the end area of the long arm end 31 is larger than the port area of an outlet 12, as shown in the attached drawing 1, the area of the cavity 2 is at least 0.5 times larger than the area of the movable block 3, and thus, the movable block 3 can be ensured to rotate at a certain angle in the cavity. A gap 6 is formed in one side of the top wall of the cavity 2, a rotatable cam 7 is arranged in the gap 6, a driving motor is arranged in the cover body 1, the output end of the driving motor is concentrically and fixedly connected with the rotating center of the cam 7 through a driving shaft, and the cam 7 is abutted to the movable block 3.

Conveying channel 8 has been seted up to the inside of the cover body 1, conveying channel 8 keeps the intercommunication with cavity 2, conveying channel 8 slope upwards extends to the outside of the cover body 1 and designs for entry 9, conveying channel 8's roof and diapire are provided with staggered distribution's fin 10, conveying channel 8's pipeline is provided with filter screen mounting bracket 11 near the inboard of entry 9, be provided with detachable filter screen on filter screen mounting bracket 11, and again, the filter screen passes through the fastener or the mode that bonds is installed on filter screen mounting bracket 11, the filter screen under the design like this, it is convenient to change, subsequent replacement cost has been reduced.

The lower half part of the side surface of the cover body 1 is provided with an outlet 12, the outlet 12 is communicated with the cavity 2, the inlet 9 and the outlet 12 are positioned at two different sides of the cover body 1, the inlet 9 is positioned at the upper part, the outlet 12 is positioned at the lower part,

normally, the long arm end 31 is placed below and contacts with the bottom wall of the cavity 2, the short arm end 32 is pressed down by the driving motor driving the cam 7, and then the long arm end 31 is lifted up, so that the inlet 9, the conveying channel 8, the through hole 5 and the outlet 12 are communicated, and the discharged air is efficiently discharged along the filtering and cooling treatment.

The specific working process is as follows: firstly, the flue gas discharged from the converter has high temperature and high pressure, the flue gas is sent into the conveying channel 8 from the inlet 9, the flue gas is firstly filtered by the filter screen, then the flue gas is in full contact with the upper and lower radiating fins 10 and is cooled, then the cooled flue gas enters the cavity 2, at the moment, the short arm end 32 is pressed down by the driving motor to lift the long arm end 31, so that the outlet 12 is opened, the flue gas after filtering and cooling treatment is conveniently and quickly discharged, after one-time operation is finished, the rotating cam 7 is used for closing the outlet 12, the flue gas after subsequent discharge sequentially enters the conveying channel 8 to be cooled and is discharged, and the process can be carried out circularly.

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 environment-friendly smoke hood for the converter is characterized by comprising a hood body (1), a cavity (2) is reserved in the hood body (1), a movable block (3) is rotatably installed in the cavity (2) through a rotating shaft (4), a through hole (5) is formed in the movable block (3), a notch (6) is formed in one side of the top wall of the cavity (2), a rotatable cam (7) is arranged in the notch (6), the cam (7) abuts against the movable block (3), a conveying channel (8) is formed in the hood body (1), the conveying channel (8) is communicated with the cavity (2), the conveying channel (8) obliquely and upwards extends to the outer side of the hood body (1) and is designed to be an inlet (9), radiating fins (10) which are distributed in a staggered manner are arranged on the top wall and the bottom wall of the conveying channel (8), and a filter screen mounting rack (11) is arranged on the inner side, close to the inlet (9), of a pipeline of the conveying channel (8), be provided with detachable filter screen on filter screen mounting bracket (11), export (12) have been seted up to the side lower half of the cover body (1), and export (12) keep the intercommunication with cavity (2).

2. An eco-friendly smoke cover for a converter according to claim 1, wherein the movable block (3) is composed of a long arm end (31) and a short arm end (32), the long arm end (31) and the short arm end (32) are integrally formed, and the through hole (5) is opened at the long arm end (31).

3. An eco-friendly smoke hood for a converter according to claim 2, characterized in that the cavity wall contour of the cavity (2) is adapted to the shape of the movable block (3).

4. An environmental protection hood for converter according to claim 1 characterized in that a driving motor is arranged in the hood body (1), and the output end of the driving motor is concentrically and fixedly connected with the rotation center of the cam (7) through a driving shaft.

5. An eco-friendly hood for a converter according to claim 1, wherein the inlet (9) and outlet (12) are located on different sides of the hood (1), and the inlet (9) is located above and the outlet (12) is located below.

6. An eco-friendly hood for a converter according to claim 2, wherein the end area of the long arm end (31) is greater than the port area of the outlet (12).

7. An environmentally friendly smoke hood for a converter according to claim 1, wherein the filter screen is mounted on the filter screen mounting bracket (11) by means of fasteners or by means of adhesive bonding.