CN110983063A

CN110983063A - Aluminium liquid degassing flue gas collection device

Info

Publication number: CN110983063A
Application number: CN201911341677.0A
Authority: CN
Inventors: 赵林然; 陆志强; 赵国帅; 李志广; 刘兴华; 马春刚; 张彦涛; 吴群虎
Original assignee: Citic Dicastal Co Ltd
Current assignee: Citic Dicastal Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-04-10

Abstract

The invention belongs to the technical field of industrial waste gas treatment equipment, and particularly relates to an aluminum liquid degassing flue gas collecting device which comprises a main pipeline, branch pipelines, a long branch pipeline, a short branch pipeline, a fume collecting hood, a turning plate and a motor, wherein the long branch pipeline and the short branch pipeline are communicated with the main pipeline through the branch pipelines, the motor controls the opening and closing of the turning plate so as to control the starting and closing of the flue gas collecting device, most flue gas is directly sucked away by the long branch pipeline, a small amount of flue gas which is not sucked away is continuously floated upwards and gathered in the fume collecting hood and is sucked away by the short branch pipeline through a through hole on the fume collecting hood, and finally the flue gas reaches a dust removing device to be purified, so that the problem that the flue gas in an aluminum liquid degassing process and the flue gas in a slag hopper cannot be collected is solved, the pollution of the flue gas generated in the aluminum liquid degassing process and the flue gas, meanwhile, the device has the advantages of simple structure, convenience in use, time saving and labor saving.

Description

Aluminium liquid degassing flue gas collection device

Technical Field

The application relates to the technical field of industrial waste gas treatment equipment, in particular to an aluminum liquid degassing flue gas collecting device.

Background

In the production process of the aluminum wheel, the degassing of the aluminum liquid is to bring harmful substances to the surface of the aluminum liquid by contacting inert gas with hydrogen and impurities in the aluminum liquid, and the degassing method is an important method for improving the quality of the aluminum liquid. In aluminium liquid transportation pouring ladle degassing process, because scummer and high temperature aluminium liquid contact reaction, thereby produce a large amount of flue gases, after the degasification, salvage the dross of liquid level and put into the sediment fill, because the dross temperature is higher, partial scummer reaction does not fully lead to the dross to continuously produce the flue gas, the flue gas of production is owing to lack dedicated collection device, the flue gas drifts in the air and pollutes the site environment, harm site operation personnel's is healthy, consequently, how to collect the flue gas that produces in the sediment fill, thereby protect site staff and environment, become the problem that needs the solution at present aluminium liquid degassing in-process urgently.

Disclosure of Invention

The invention provides an aluminum liquid degassing flue gas collecting device, which solves the problem that flue gas in an aluminum liquid degassing process and flue gas in a slag hopper cannot be collected, eliminates the pollution of the flue gas generated in the aluminum liquid degassing process and the flue gas in the slag hopper to the field environment, protects the body health of field workers, and has the advantages of simple structure, convenience in use, time saving and labor saving.

In order to achieve the purpose, the invention provides the following technical scheme:

the first aspect provides an aluminum liquid degassing flue gas collecting device which comprises a main pipeline, branch pipelines, a long branch pipeline, a short branch pipeline, a smoke collecting hood, a turning plate and a motor, wherein the branch pipelines are inverted U-shaped, two openings of the branch pipelines are vertically downward, one end of the main pipeline is communicated with the tops of the branch pipelines, and the other end of the main pipeline is connected with a dust removing device; the smoke collecting cover is provided with a smoke collecting inner cavity, the smoke collecting inner cavity comprises an inner top surface and an inner side surface surrounding the inner top surface, and two through holes are formed in the inner top surface; the long branch pipeline penetrates through one through hole in the inner top surface and is fixedly connected to one opening of the branch pipeline, the lower end of the short branch pipeline is overlapped with the other through hole in the inner top surface, and the upper end of the short branch pipeline is connected to the other opening of the branch pipeline; the long branch pipeline and the short branch pipeline are communicated with the main pipeline through the branch pipelines; the turning plate is positioned in the main pipeline, the motor is fixed on the main pipeline, and the motor can drive the turning plate to rotate at any angle.

In some embodiments, the main pipe, the short-branch pipe, and the long-branch pipe are all cylinders.

In some embodiments, the system further comprises a support frame, upright columns on the left and right sides, a cross beam fixedly connected to the two upright columns and a support, wherein the support frame is fixed on the cross beam, and the main pipeline is fixed on the support frame; the smoke collecting cover is arranged on the support, and the shape of the support is adapted to the lower edge of the inner side face.

In some embodiments, the fume collecting hood is a rectangular parallelepiped structure without a bottom surface, and the support is a rectangular frame.

In some embodiments, the support frame is T-shaped.

In some embodiments, the beam and the brace are each cuboid.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides an aluminum liquid degassing flue gas collecting device, which comprises a main pipeline, branch pipelines, a long branch pipeline, a short branch pipeline, a smoke collecting hood, a turning plate and a motor, wherein the long branch pipeline and the short branch pipeline are communicated with the main pipeline through the branch pipelines, the motor controls the opening and closing of the turning plate so as to control the starting and closing of the flue gas collecting device, most flue gas is directly sucked away by the long branch pipeline, a small amount of flue gas which is not sucked away is continuously floated upwards and gathered in the smoke collecting hood and is sucked away by the short branch pipeline through a through hole on the smoke collecting hood, the flue gas enters the main pipeline through the branch pipeline under the action of the suction force of a draught fan of the dust removing device, and finally reaches the dust removing device to be purified, the aluminum liquid degassing flue gas collecting device has simple structure, is convenient to operate, saves time and labor, and solves the problem that, the pollution of flue gas, the interior flue gas of sediment fill that have eliminated aluminium liquid degassing process and produce to site environment has protected site personnel's healthy, and the trunk line links to each other with the dust collecting equipment of smelting furnace group, has practiced thrift dust collecting equipment's cost, simultaneously owing to opening of can manual control flue gas collection device stops, has avoided the long-time influence of using the dust removal effect to smelting furnace group of flue gas collection device.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front view of a fume collecting device for degassing aluminum liquid.

FIG. 2 is a top view of the collection device for degassing flue gas of aluminum liquid.

FIG. 3 is a right side view of the aluminum liquid degassing flue gas collecting device of the present invention.

Wherein: 1-main pipeline, 2-short branch pipeline, 3-long branch pipeline, 4-turning plate, 5-motor, 6-smoke collecting hood, 7-bracket, 8-upright post, 9-support frame, 10-cross beam, 11-through hole and 12-branch pipeline.

Detailed Description

The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1:

as shown in fig. 1-3, an embodiment of the present invention provides an aluminum liquid degassing flue gas collecting device, which includes a main pipe 1, a short branch pipe 2, a long branch pipe 3, a turning plate 4, a motor 5, a fume collecting hood 6, a support 7, an upright column 8, a support frame 9, a cross beam 10, a through hole 11, and a branch pipe 12. Trunk line 1, short branch pipeline 2, long branch pipeline 3 are the cylinder, and branch pipeline 12 is the shape of falling U, and two openings of branch pipeline 12 are vertical downwards. Trunk line 1 one end is linked together with branch pipe 12's top, the other end links to each other with dust collecting equipment, turn over board 4 and be located trunk line 1, motor 5 fixes on trunk line 1's outer wall, turn over board 4 for the circular that suits with trunk line 1 size, set up a rotation axis along 1 direction of diameter of trunk line, turn over board 4 and fix on the rotation axis, turn over board 4 and fix in trunk line 1 through the rotation axis, the one end fixed connection of rotation axis is to motor 5's output shaft, motor 5 can drive and turn over 4 rotatory arbitrary angles of board, turn over 4 rotation angles through motor 5 control, realize opening and closing of trunk line 1. The fume collecting hood 6 is of a cuboid structure without a bottom surface, two through holes 11 are formed in the upper portion of the fume collecting hood 6, and the fume collecting hood 6 is provided with a fume collecting inner cavity which comprises an inner top surface and an inner side surface surrounding the inner top surface, and the two through holes 11 are formed in the inner top surface. Support 7 is the rectangle frame, and collection petticoat pipe 6 falls on support 7, collection petticoat pipe 6 is placed on the support 7, the shape of support 7 with collection petticoat pipe 6 the lower edge of medial surface suits. Stand 8 and crossbeam 10 are the cuboid, and support frame 9 is the T type, crossbeam 10 with support 7 fixed connection is in two of the left and right sides on the stand 8, crossbeam 10 is in the top, support 7 is in the below, and support frame 9 is fixed on crossbeam 10, be fixed with on support frame 9 trunk line 1. The upright column 8 is electrically welded with the support 7, the branch pipe 12 is electrically welded with the smoke collecting hood 6, the cross beam 10 is electrically welded with the support frame 9, the main pipe 1 is electrically welded with the support frame 9, the branch pipe 12 is flange-connected with the main pipe 1, the branch pipe 12 is electrically welded with the smoke collecting hood 6, wherein the long branch pipe 3 passes through a through hole 11 on the smoke collecting hood 6, the short branch pipe 2 is overlapped with a through hole 11 on the smoke collecting hood 6, the long branch pipe 3 passes through one through hole 11 on the inner top surface and is fixedly connected to one opening of the branch pipe 12, the lower end of the short branch pipe 2 is overlapped with the other through hole 11 on the inner top surface, and the upper end of the short branch pipe 2 is connected to the other opening of the branch pipe 12; the long branch pipe 3 and the short branch pipe 2 are communicated with the main pipe 1 through the branch pipes 12. Main pipe 1 one end links to each other with lateral conduit 12, and the other end links to each other with smelting furnace group dust collecting equipment, and the flue gas that collects through this device directly carries out purification treatment through dust collecting equipment. Generally, support frame 9 plays supporting role to trunk line 1 in this embodiment, and support 7 plays supporting role to collection petticoat pipe 6, and crossbeam 10 plays supporting role to support frame 9, turns over opening and shutting of board 4 through the control of motor 5 to control flue gas collection device's start-up and closing.

This aluminium liquid degassing flue gas collection device is when the in-service use, builds aluminium liquid degassing flue gas collection device in the degasser top, and long branch pipeline is located degasser rotor left side, and the top of aluminium liquid casting ladle is put the sediment fill in collection petticoat pipe below. Before pouring ladle aluminium liquid and preparing the degasification, through control switch with the motor circular telegram, thereby motor control turns over the board and makes trunk line and lateral conduit intercommunication by initial vertical 90 rotatory 180 to the level, because the trunk line links to each other with dust collecting equipment, after lateral conduit and trunk line intercommunication, thereby the lateral conduit has also linked to each other with dust collecting equipment and has possessed suction, and flue gas collection device has been in the running state this moment. When the flue gas collecting device starts to operate, casting ladle aluminum liquid degassing is started, and in the casting ladle aluminum liquid degassing process, flue gas generated by stirring the aluminum liquid by a degassing machine rotor floats upwards, and most of the flue gas is directly sucked away by the long branch pipeline; a small amount of unabsorbed flue gas continues to drift upwards and gather in the smoke collecting hood, is absorbed by the short branch pipeline through the through hole on the smoke collecting hood, enters the main pipeline through the branch pipeline under the action of the suction force of the draught fan of the dust removing device, and finally reaches the dust removing device to be purified. After the degasification is accomplished, drag for into the sediment fill with the dross on aluminium liquid surface in the ladle, the flue gas that produces in the sediment fill upwards drifts away the in-process gathering in the collection petticoat pipe, is siphoned away by short branch pipeline through the through-hole on the collection petticoat pipe, and flue gas gets into the trunk line through short branch pipeline under the effect of dust collector induced draft fan suction, is purified treatment in arriving dust collector at last. After the flue gas is not generated in the slag hopper, the control switch drives the motor to rotate the turning plate from 180 degrees to 90 degrees, so that the main pipeline is disconnected from the branch pipelines, and the flue gas collecting device is in a closed state.

The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A collecting device for degassing flue gas of aluminum liquid is characterized by comprising a main pipeline, branch pipelines, a long branch pipeline, a short branch pipeline, a smoke collecting hood, a turning plate and a motor,

the branch pipeline is in an inverted U shape, two openings of the branch pipeline are downward, one end of the main pipeline is communicated with the top of the branch pipeline, and the other end of the main pipeline is connected with dust removing equipment;

the smoke collecting cover is provided with a smoke collecting inner cavity, the smoke collecting inner cavity comprises an inner top surface and an inner side surface surrounding the inner top surface, and two through holes are formed in the inner top surface;

the long branch pipeline penetrates through one through hole in the inner top surface and is fixedly connected to one opening of the branch pipeline, the lower end of the short branch pipeline is overlapped with the other through hole in the inner top surface, and the upper end of the short branch pipeline is connected to the other opening of the branch pipeline; the long branch pipeline and the short branch pipeline are communicated with the main pipeline through the branch pipelines;

the turning plate is positioned in the main pipeline, the motor is fixed on the main pipeline, and the motor can drive the turning plate to rotate at any angle.

2. The aluminum liquid degassing flue gas collecting device according to claim 1, wherein the main pipe, the short branch pipe and the long branch pipe are all cylinders.

3. The aluminum liquid degassing flue gas collecting device according to claim 1, further comprising a support frame, columns on the left and right sides, a beam and a bracket fixedly connected to the two columns, wherein the support frame is fixed on the beam, and the main pipeline is fixed on the support frame;

the smoke collecting cover is arranged on the support, and the shape of the support is adapted to the lower edge of the inner side face.

4. The aluminum liquid degassing flue gas collecting device according to claim 3, wherein the fume collecting hood is of a cuboid structure without a bottom surface, and the support is a rectangular frame.

5. The aluminum liquid degassing flue gas collecting device according to claim 3, wherein the support frame is T-shaped.

6. The aluminum liquid degassing flue gas collecting device according to claim 3, wherein the beams and the brackets are rectangular.