KR101380349B1 - Movable dust collecting apparatus with rotary hood for ladle - Google Patents

Abstract

The present invention relates to a movable dust collecting apparatus with a rotary hood and, more specifically, to a movable dust collecting apparatus with a rotary hood to improve the working environment inside a factory and working efficiency, and to prevent workers form losing their health in the factory by effectively taking and collecting pollutants such as fumes, dust, and toxic gases from molten metal. The present invention includes a ladle connected to a carriage, which is installed on a crane laterally moving inside the factory to move forwards and backwards, to be vertically moved. The movable dust collecting apparatus with a rotary hood comprises a hood at the bottom of the carriage at a predetermined distance from the ladle; a vertical bellows pipe to extend and contract in a vertical direction according to the vertical movement of the ladle; a horizontal bellows pipe to extend and contract in a horizontal direction as the ladle moves forwards or backwards; a movable duct of which the side is connected to one end of the horizontal bellow pipe and which has a movable roller on both lower sides; a fixed duct installed on the inner wall of the factory to be connected to the bottom of the movable duct by the top; a discharge pipe of which one end is connected to the fixed duct and of which the other end is exposed to the outside of the factory; and a dust collecting unit connected to the other end of the discharge pipe.

Description

Movable dust collecting apparatus with rotary hood for ladle

The present invention relates to a mobile dust collector having a rotary hood, and more particularly, fumes, dust, harmful gases, etc. generated in the molten metal contained in the ladle while moving in the same manner as the movement of the ladle moving in a constant direction by a crane. The present invention relates to a mobile dust collector having a rotary hood that effectively inhales and collects contaminants to improve a working environment in a factory to improve work efficiency and protect worker health.

[Document 1] Domestic Patent Registration No. 10-0227854, 1999.08.05 characters. Enrollment.

In general, in the molten metals melted in the melting furnace, contaminants such as fumes, dust, and harmful gases are naturally generated.These pollutants deteriorate the working environment in the factory, which makes the worker difficult to work and harms the health of the worker. It will lead to closure.

In order to prevent waste due to the pollutants generated in the molten metal, the dust collector of Document 1 has been applied for a patent and registered, which is a fume, dust, harmful gas, etc. generated during tapping the molten metal with a ladle in a melting furnace. It is a structure that inhales pollutants through the hood and then discharges them out through the duct.

In other words, by collecting and collecting the pollutants generated during the tapping process in the melting furnace to solve the waste caused by the pollutants to improve the working environment in the factory.

However, the above-mentioned conventional dust collector is fixedly installed between the molten metal outlet of the melting furnace and the location of the ladle, and after the tapping is completed, the ladle is transported to the warming furnace by a crane after the tapping is completed. Pollutants from the molten metal in the fields have a limit that cannot be collected. In other words, it is impossible to collect the contaminants generated during the transport process, which is relatively longer than the tapping process.

Therefore, in the working environment in the factory, pollutants generated in the process of transporting the molten metal by the ladle remain in the factory as it is. Accordingly, the working environment in the factory is still poor, the work efficiency is lowered and the health of the worker is still a problem.

The present invention has been invented to solve the above problems, as well as the process of tapping the molten metal into the ladle in the melting furnace as well as collecting the contaminants generated during the process of the ladle is transported to the warming furnace, etc. In order to improve, a mobile dust collector having a rotatable hood installed on a crane for moving the ladle and moving in the same motion as the ladle and effectively collecting dust from the molten metal contained in the ladle The purpose is to provide.

A mobile dust collector having a rotary hood according to the present invention for achieving the above object is a ladle connected to the movable trolley which is installed to move forward and backward on a crane moving left and right within a factory, the movable trolley A hood installed at a distance from the ladle at a lower portion of the ladle and having a communication hole formed on the upper surface thereof; A vertical corrugated pipe installed on the upper surface of the hood so as to communicate with one end thereof and having the other end fixed to the moving cart to vertically expand and contract according to the vertical movement of the ladle; A horizontal corrugated pipe installed in the crane and supported in parallel with the mobile trolley, one end of which is installed in communication with the other end of the vertical corrugated pipe, and horizontally stretched horizontally according to the forward and backward movement of the mobile trolley; A moving duct installed at the other end of the horizontal corrugated pipe so as to communicate with each other, and moving rollers installed at both lower sides thereof; It is installed on the inner wall of the factory, the upper part is installed in communication with the lower portion of the moving duct and the moving rail for guiding the movement of the moving roller is installed on both sides of the upper fixed to move the moving duct in accordance with the left and right movement of the crane A discharge pipe having one end connected to the fixed duct and the other end exposed to the outside of the factory; And dust collecting means connected to the other end of the discharge pipe.

The hood is formed in a cylindrical shape, the suction port is provided on the lower surface, characterized in that the auxiliary suction panel is provided with a plurality of suction holes perforated in the front.

The hood has a guide roller having an upper surface connected to one end of the vertical corrugated pipe with an elastic member and the communicating hole having a curved shape having a predetermined angle radius, and installed at one end of the vertical corrugated pipe at the upper side and the lower side of the communicating hole. The guide rail is installed to be slidably coupled, characterized in that configured to be rotated at a predetermined angle in one direction with the ladle around the vertical pleated pipe.

The fixed duct is closed by the upper part is covered with a cover made of rubber material, the cover is installed in a form that is accommodated in the upper inside of the moving duct, the upper part is always closed when the moving duct moves horizontally from the top Characterized in that it is maintained.

The vertical pleated tube is divided into an upper vertical pleated tube and a lower vertical pleated tube coupled up and down, and a vertical guide inserted into the lower end of the upper vertical pleated tube is installed inside the upper end of the lower vertical pleated tube, the upper vertical pleated tube is vertical It is characterized by being able to stretch straight.

The present invention by the above configuration, while moving in the same way with the ladle to effectively collect the pollutants generated in the molten metal to minimize the scattering of pollutants in the factory to greatly improve the working environment and to improve the worker's motivation to work It greatly enhances and improves work efficiency as well as protects worker's health.

1 is a plan view showing the overall configuration according to a preferred embodiment of the present invention.
2 is a cross-sectional view taken along the line AA ′ of FIG. 1.
Figure 3 is a side view showing the installation state of the vertical fold pipe and the hood according to an embodiment of the present invention.
Figure 4 is a plan view showing a rotating structure of the hood according to a preferred embodiment of the present invention.
Figure 5 is a front view showing the front of the hood according to a preferred embodiment of the present invention.
6 and 7 are longitudinal cross-sectional view showing a coupling structure of a moving duct and a fixed duct according to a preferred embodiment of the present invention.

Mobile dust collecting device having a rotary hood according to the present invention, to improve the working environment by collecting the contaminants such as fumes, dust, harmful gases caused by the molten metal transported from the melting furnace to the thermal furnace by the ladle. Device.

In particular, the mobile dust collector having a rotary hood according to the present invention, contaminants generated during the process of the molten metal is melted in the melting furnace to be contained in the ladle, as well as the process of the ladle containing the molten metal is carried to the thermal furnace by the crane, etc. It is characterized by being able to improve the working environment more effectively by collecting dust.

These features include hoods, vertical corrugated pipes, horizontal corrugated pipes, moving ducts, and the like, which are connected to a crane so that they can move in the same way as the ladle moving back and forth, left and right, and up and down while collecting contaminants generated in the molten metal contained in the ladle. It is achieved by a configuration consisting of a fixed duct, a discharge pipe, and a dust collecting means.

That is, a hood of a rotatable structure is installed on the upper part of the ladle, a vertical wrinkle tube communicating with the hood is installed between the ladle and the tip of the crane, and a horizontal wrinkle tube communicating with the vertical wrinkle tube is installed between the moving cart of the crane and the rear end thereof. The rear end of the crane is provided with a moving duct communicating with the horizontal corrugated pipe, a fixed duct communicating with the moving duct on the inner wall of the factory, a discharge pipe communicating with the fixed duct on the ceiling of the factory is installed, and communicating with the discharge pipe outside the factory. The dust collecting means is installed.

Therefore, in the dust collector of the present invention, as the hood is positioned at the upper part of the ladle as the hood moves with the crane in the factory, the molten metal is not only taken out of the ladle from the melting furnace, but also in the process of the ladle being transported to the insulating furnace by the crane. The pollutants generated can be collected and discharged outside the factory.

Accordingly, by eliminating the conventional problem that the atmosphere inside the factory is poor due to pollutants at once, the work environment is greatly improved, enabling the worker to work efficiently in a more comfortable and safe state, thereby improving work efficiency. Can greatly improve and protect the health of workers.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a plan view showing the overall configuration according to a preferred embodiment of the present invention, Figure 2 is a cross-sectional view taken along line AA 'of Figure 1, Figure 3 is a vertical fold tube and hood installation according to a preferred embodiment of the present invention Figure 4 is a side view showing a state, Figure 4 is a plan view showing a rotating structure of the hood according to a preferred embodiment of the present invention, Figure 5 is a front view showing the front of the hood according to a preferred embodiment of the present invention, 6 and 7 are longitudinal cross-sectional views illustrating a coupling structure of a moving duct and a fixed duct according to a preferred embodiment of the present invention.

In the mobile dust collecting device having a rotatable hood according to the preferred embodiment of the present invention, as shown in FIGS. 1 and 2, the hood 10, the vertical corrugation pipe 20, the horizontal corrugation pipe 30, and the moving duct 40 are provided. , A fixed duct 50, a discharge pipe 60, and a dust collecting means 70.

First, the hood 10 is to suck the contaminants, such as fumes, dust, harmful gases generated in the molten metal contained in the ladle (L) to discharge into the vertical wrinkle pipe 20, which is the ladle (L) Inhaling contaminants while moving together.

However, the hood 10 of the ladle (L) to move up and down on the lower side of the moving trolley (M) to move back and forth in the crane (C) to move left and right inside the factory as shown in Figures 2 and 3. It is preferable to be installed in communication with one end of the vertical wrinkle tube 20 at a certain distance on the top.

That is, the hood 10 is the same as the ladle (L) which is fixedly installed on the wire (W) for connecting the ladle (L) and the moving cart (M) up and down and moves up and down from the moving cart (M). It is configured to move.

At this time, the hood 10 is formed in a cylindrical shape, the upper surface of the communication hole 11 is formed in communication with one end of the vertical wrinkle tube 20, the lower surface and the upper portion of the ladle (L) so that the pollutant is sucked in The suction port is formed to communicate with each other, and a front surface thereof has a shape corresponding to the upper shape of the ladle L so as to smoothly suck the contaminants.

In addition, as shown in FIG. 5, the auxiliary suction panel 12 having a plurality of suction holes is installed on the front surface of the hood 10 so as to suck the contaminants that have not been sucked through the lower surface.

Then, the hood 10 moves along with the ladle L, and effectively sucks contaminants generated in the molten metal contained in the ladle L through its lower surface and rear surface, and then discharges it to one end of the vertical wrinkle pipe 20. .

Here, the hood 10 is preferably installed to be rotatable in one direction with the ladle (L) around the vertical wrinkle tube 20, which is to inject the molten metal contained in the ladle (L) into a heating furnace or the like. When the operator rotates the ladle (L) in one direction is to eliminate the rotation disturbance by the vertical wrinkle pipe (20).

To this end, the hood 10 is connected to one end of the vertical corrugated pipe 20 via an elastic member 14 such as a spring that can change the rotation angle in the horizontal direction as shown in FIGS. 3 and 4, The communication hole 11 of the hood 10 is formed as a curved long hole having a predetermined angle radius while the guide roller 21 installed at one end of the vertical corrugated pipe 20 on the upper side and the lower side is slidably coupled. It is preferable that the guide rail 13 be installed.

That is, the hood 10 is elastically connected to the vertical pleated pipe 20 by the elastic member 14, and the guide roller 21 and the guide rail 13 by a predetermined angle in one direction about the vertical pleated pipe 20. It is rotatably installed.

Then, the worker can easily rotate the ladle L even with a predetermined force despite the disturbance of the rotation of the vertical wrinkle pipe (20). When the force is released, the ladle L returns to its original state with the hood 10.

Next, the vertical corrugation pipe 20 is to expand and contract vertically in accordance with the vertical movement of the hood 10 while introducing the contaminants sucked through the hood 10 to discharge into the horizontal corrugated pipe 30, which is Hood 10 is to enable the vertical movement with the ladle (L).

At this time, one end of the vertical wrinkle tube 20 is installed in communication with the upper surface of the hood 10, the other end is preferably installed in communication with one end of the horizontal wrinkle tube (30) in a fixed state on the moving cart (M).

In addition, the vertical wrinkle tube 20 is preferably configured to be separated into an upper vertical wrinkle tube 20a and a lower vertical wrinkle tube 20b which are coupled up and down to smoothly stretch according to the vertical movement of the hood 10.

A vertical guide that is inserted into the rear end of the upper vertical wrinkle tube 20a inside the distal end of the lower vertical wrinkle tube 20b so that the upper vertical wrinkle tube 20a can be stretched vertically and straightly without being pushed sideways. It is preferable that 22 is provided.

Next, the horizontal corrugated pipe 30 is stretched horizontally back and forth in accordance with the forward and backward movement of the moving cart (M) while introducing the contaminants introduced into the vertical corrugated pipe 20 to be discharged into the moving duct 40. , This is to enable the hood 10 and the vertical wrinkle tube 20 to move back and forth with the ladle (L).

Here, the horizontal wrinkle tube 30 is installed to support the crane (C), one end is installed in communication with the other end of the vertical wrinkle tube 20 in a state fixed to the moving cart (M) and the other end is the moving duct 40 It is preferable to be installed in communication with the side of the.

That is, the horizontal wrinkle pipe 30 is stretched back and forth on the crane (C) in accordance with the movement of the moving cart (M), and moves to the left and right together with the moving duct 40 in accordance with the movement of the crane (C).

In this case, the horizontal wrinkle tube 30 may be connected to the vertical wrinkle tube 20 through a separate connection pipe bent at an angle with the vertical wrinkle tube 20 so as to be naturally connected to the vertical wrinkle tube 20.

Next, the moving duct 40 is moved to the left and right together with the crane (C) to introduce the contaminants introduced into the horizontal corrugated pipe (30) to discharge into the fixed duct 50, which is a hood 10 ) And the vertical wrinkle tube 20 and the horizontal wrinkle tube 30 to move left and right with the ladle (L).

Here, the moving duct 40 is installed so that the side portion is in communication with the other end of the horizontal pleated pipe 30, the lower portion is in communication with the upper portion of the fixed duct 50 is installed to be movable from side to side at the top of the fixed duct 50. Preferably, this is a structure in which the moving roller 41 installed on both sides of the lower side of the moving duct 40 as shown in Figure 6 and 7 moves along the moving rail 51 provided on both sides of the upper portion of the fixed duct 50 Is possible by

The moving duct 40 may be connected to the vertical wrinkle tube 30 through a separate connector bent at an angle with the horizontal wrinkle tube 30 so as to be naturally connected to the horizontal wrinkle tube 30.

However, the moving duct 40 is installed in the upper portion of the fixed duct 50, as shown in Figure 6 and 7, the cover 52 made of a rubber material covering the upper portion of the open fixed duct 50 is received inside It is preferable that the left and right while being installed to be movable.

Therefore, when the moving duct 40 moves from the upper side to the left side of the fixed duct 50, the upper portion of the fixed duct 50 is covered by the cover 52 to the fixed duct 50 through the moving duct 40. Prevents the release of the pollutants released.

At this time, the cover 52 is guided by the guide rollers 42 respectively installed on the upper both sides and the lower both sides of the moving duct 40 is to be accommodated smoothly to the inside of the moving duct 40.

Next, the fixed duct 50 is installed on the inner wall of the factory for introducing the contaminants introduced into the moving duct 40 into the discharge pipe 60.

As described above, the fixed duct 50 has a structure in which an upper portion is installed in communication with a lower portion of the moving duct 40, and an upper portion thereof is covered by a cover 52 accommodated inside the moving duct 40.

Therefore, the fixed duct 50 is discharged to the discharge pipe 60 without spilling the contaminants introduced into the factory through the moving duct 40 regardless of the left and right movement of the moving duct 40.

Next, the discharge pipe 60 is installed inside the factory, which is for discharging the pollutants introduced into the fixed duct 50 to the outside of the factory.

That is, the discharge pipe 60 is installed so that one end is in communication with one end of the fixed duct 50, the other end is installed so as to penetrate from the inside to the outside to the outside. Therefore, the discharge pipe 60 discharges the pollutants introduced into the interior through the fixed duct 50 to the outside.

Finally, the dust collecting means 70, which is installed separately from the factory as shown in Figure 1, which is a hood 10, vertical corrugated pipe 20, horizontal corrugated pipe 30 and the moving duct 40 and It is to provide a suction force for sucking the contaminants into the fixed duct 50 and the discharge pipe (60).

At this time, the dust collecting means 70 includes a dust collecting fan that exhibits suction power, although not shown, a dust collecting network for filtering contaminants sucked by the dust collecting fan, and a dust collecting box containing contaminants filtered by the dust collecting network. It is preferable to be.

As described above, the mobile dust collector including the rotary hood according to the present invention collects contaminants generated in the molten metal while moving integrally with the ladle moving from side to side, front and rear, and up and down by a crane in the factory. By eliminating the conventional waste disposal, which was filled with contaminants and the poor working environment at once, it is possible to greatly improve the working environment in the factory to improve work efficiency and protect the health of workers.

The above-described embodiments are merely illustrative, and various modifications may be made by those skilled in the art without departing from the scope of the present invention.

Therefore, the true technical protection scope of the present invention should include not only the above embodiments but also various other modified embodiments according to the technical idea of the invention described in the following claims.

10: hood 11: communicator
12: Auxiliary suction panel 13: guide rail
14: Elastic member
20: vertical corrugated pipe 20a: upper vertical corrugated pipe
20b: Lower vertical corrugation pipe 21: Guide roller
22: vertical guide
30: horizontal corrugated pipe
40: moving duct 41: moving roller
42: guide roller
50: fixed duct 51: moving rail
52: cover
60: discharge pipe 70: dust collecting means
C: crane M: trolley
L: Ladle

Claims (5)

In the ladle (L) connected to the movable cart (M) installed to move forward and backward on the crane (C) to move left and right inside the factory so as to be movable up and down,
A hood 10 installed at a lower distance from the ladle L at a lower portion of the moving trolley M and having a communication hole 11 perforated on an upper surface thereof;
Vertical communication tube 20 is installed on the upper surface of the hood 10 so that the communication hole 11 and one end is in communication and the other end is fixed to the moving cart M to be vertically stretched according to the vertical movement of the ladle L. );
Is installed on the crane (C) but is supported in parallel with the moving cart (M), one end is installed in communication with the other end of the vertical wrinkle pipe (20) and horizontally stretched pipe horizontally stretched in accordance with the forward and backward movement of the mobile cart (M) 30;
A moving duct 40 having side portions connected to the other ends of the horizontal wrinkle pipe 30 and moving rollers 41 installed on both lower sides thereof;
It is installed on the inner wall of the factory, the upper part is installed in communication with the lower portion of the moving duct 40 and the moving rail 51 for guiding the movement of the moving roller 41 is installed on both sides of the upper side of the crane (C) A fixed duct 50 in which the moving duct 40 moves from the upper side according to the movement;
A discharge pipe 60 having one end connected to the fixed duct 50 and the other end exposed to the outside of the factory; And
A dust collecting means 70 connected to the other end of the discharge pipe 60;
The fixed duct 50,
The upper part is covered with a rubber cover 52 and closed, and the cover 52 is coupled and installed in a shape that is received inside the upper portion of the moving duct 40,
Mobile dust collector having a rotatable hood, characterized in that the top is always kept closed when the moving duct 40 is moved horizontally from the top.
The method of claim 1,
The hood 10,
A mobile dust collecting device having a rotary hood having a cylindrical shape but having a suction port on a lower surface thereof, and an auxiliary suction panel 12 having a plurality of suction holes perforated therein.
The method of claim 1,
The hood 10,
An upper surface is connected to one end of the vertical pleated pipe 20 by the elastic member 14 and the communication hole 11 is formed of a curved long hole having a predetermined angle radius and on the upper and lower sides of the communication hole 11 A guide rail 13 is installed to be slidably coupled with a guide roller 21 installed at one end of the vertical wrinkle pipe 20,
Mobile dust collector having a rotary hood, characterized in that configured to be rotated at a predetermined angle in one direction with the ladle (L) around the vertical fold pipe (20).
delete The method of claim 1,
The vertical corrugated pipe 20,
The upper vertical fold pipe (20a) and the lower vertical fold pipe (20b) is coupled to the upper and lower parts, the vertical guide 22 is inserted into the lower end of the upper vertical fold pipe (20a) on the inner side of the upper vertical fold pipe (20b) ) Is installed,
Mobile upper dust collecting device having a rotary hood, characterized in that the vertical vertical fold pipe (20a) is vertically stretchable.

Images