KR100893263B1 - Dust collection apparatus with movable hood - Google Patents

Abstract

The present invention relates to a dust collection hood device, comprising: a fixed hood (10) having a connecting pipe (30) located at an upper portion of a dust collection area and connected to a duct (140), and positioned in advance of the fixed hood (10); And a movable hood 20 mounted to be movable in the direction and installed to move dust in the connecting pipe 30 and extending in the moving direction of the movable hood 20 so as to be axially rotated in the fixed hood 10. The screw shaft 40 connected to the movable hood 20 to move the movable hood 20 in the longitudinal direction when it is mounted and rotated so as to be capable of rotation, and a driving motor 50 to rotationally drive the screw shaft 40. ), A fixed hood for sucking dust in the fixed position and a moving hood to be moved to a site where a large amount of dust is generated are further provided to improve dust collection efficiency.

Dust Collecting, Hood, Moving, Coke, Extruded

Description

Dust collection apparatus with movable hood {Dust collection apparatus with movable hood}

1 is a schematic configuration diagram of a dust collecting hood device according to the prior art for collecting and treating dust of coke loaded on a fire truck;

2 is a plan view of FIG. 1;

3 is a drawing of a problem of the prior art;

Figure 4 is a partially cutaway perspective view of the entire double dust collection hood apparatus moved to the dust generation site according to the present invention;

5 is a partially cutaway side view of FIG. 4;

6 is an explanatory view of the operation of the present invention.

Explanation of symbols on the main parts of the drawings

10: fixed hood 12: bearing block

20: moving hood 22: dust outlet

24: support 24a, 24b: hole

28: Striker 30: Connector

40: screw shaft 42: sliding shaft

50: drive motor 52: reducer                 

60: roller 62: roller support

63: hinge pin 64: spring

140: duct

The present invention relates to a dust collection hood device, and more particularly, a fixed hood that sucks dust in a fixed position and a moving hood which is moved to a site where a large amount of dust is generated are further provided to move to a large amount of dust generation site where the dust collection efficiency is improved. It relates to a double dust collection hood device.

In general, the dust collecting equipment includes a hood installed on the top of the dust generating portion, and the dust collecting equipment having such a fixed hood device is schematically shown in FIG.

That is, the dust collecting equipment which collects dust from the coke extruded through the cage 112 in the coke oven 110 and carried on the fire truck 120 is fixed hood 130 and the upper portion of the fire truck 120 and The duct 140 is connected to the hood 130 to move the dust collected to a predetermined position for dust collection. Here, the upper portion of the duct 140 is made of a material that can be attached to the magnet is provided with a duct cover 142 to open and close the upper portion of the duct 140 by the magnet 150 is raised and lowered.

FIG. 2 is a plan view of FIG. 1, wherein the duct 140 is installed to have a long length in parallel with the coke oven 110.                         

Referring to the operation of the dust collection equipment of the coke oven having a fixed hood 130, when the coke is extruded to the fire truck 120 through the cage 112 in the coke oven 110, a large amount of dust is generated while the dust Is gathered into the duct 140 through the hood 130, wherein the fire truck 120 receives the coke in the loading box while moving slowly. In addition, the fixed hood 130 collects the dust rising to the upper portion of the fire truck 120 while maintaining the current position set regardless of the movement of the fire truck (120).

However, this conventional stationary hood 130 has the following problems.

As schematically shown in FIG. 3, when dry water is performed in the coke oven 110, the portions 116A and 116B which are close to the doors 114A and 114B are different in dry water temperature due to contact with external air or the like. As compared to the coke which is formed lower than the coke discharged to the fire extinguisher, the coke discharged to the fire extinguisher is dried at the part where the doors 114A and 114B are located and discharged to the fire truck. Many, but because the hood 130 is maintained in a set position, the dust collection capacity is limited, so that some of the large amount of dust generated is not moved to the duct 140 through the hood 130 and has a problem of scattering around. Was.

The present invention is to solve such a conventional problem, it is possible to improve the efficiency of dust treatment by the installation of a moving hood for sucking the dust by moving to a large amount of dust generated in the inside of the fixed hood maintained at a fixed position. It is an object of the present invention to provide a double dust-collecting hood device that is moved to the site of dust generation.

As a technical configuration for achieving the above object, the present invention provides a fixed hood having a connecting pipe located in the upper part of the dust collecting region and connected to the duct, and mounted to be movable in a predetermined direction located inside the fixed hood. And a moving hood configured to discharge dust to the connection pipe, and installed in the moving direction of the moving hood to be axially rotated to the fixed hood and to move the moving hood in the longitudinal direction when rotated. By providing a double dust collection hood device that is moved to the dust generating abundance site including a screw shaft connected to the moving hood, and a drive motor for rotationally driving the screw shaft.

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

FIG. 4 is a partially cutaway perspective view of the dual dust collection hood apparatus generally moved to the site of generating a large amount of dust according to the present invention. FIG. 5 is a partial cutaway side view of FIG. 4 to suck dust and transfer it to the duct 140. It is installed in the fixed hood 10 and the fixed hood 10 installed in the predetermined direction, for example, moving in the direction parallel to the moving direction of the fire truck 120 shown by the arrow to suck the dust and transfer to the duct 140 It has a movable hood 20 installed to make it.

The fixing hood 10 is formed to have an open shape in the lower part and sucks dust generated from the lower part with suction force provided from the duct 140 to transfer the connection pipe 30 to the duct 140 through the connecting pipe 30. Preferably, the fixing hood 10 may have a shape in which the fixed hood 10 is gradually enlarged toward the lower side in that dust may be sucked in a wider area.

The movable hood 20 has a shape similar to that of the fixed hood 10 and is small in size, and has a dust outlet 22 fitted into an inlet of the connecting pipe 30. Of course, the dust outlet 22 is formed smaller than the size of the connecting pipe 30 to separate the dust sucked through the moving hood 20, the dust sucked through the fixed hood 10 is the connection It is configured to be transferred to the duct 140 through a gap between the inner surface of the pipe 30 and the outer surface of the dust outlet 22.

A support having a screw shaft mounting hole 24a parallel to the moving direction of the fire truck 120 and a sliding shaft mounting hole 24b parallel to the screw shaft mounting hole 24a at the upper end of the movable hood 20. 24 is fixedly installed, and the screw shaft 40 having a long length is fitted into the screw shaft mounting hole 24a so that the movable hood 20 rotates the screw shaft 40 when the screw shaft 40 is rotated. And the sliding shaft 42 having a long length is fitted in the sliding shaft mounting hole 24b so that the movable hood 20 does not rotate when the screw shaft 40 is rotated. The movable hood 20 is slidably supported to be movable along the 40.

In addition, both ends of the screw shaft 40 are supported to allow rotation in the axial direction by a bearing block 12 mounted to the fixing hood 10, and one end of the screw shaft 40 is a reducer 52. When the driving motor 50 is driven to rotate and is connected to the driving motor 50 through a), the screw shaft 40 is rotated when the driving motor 50 is driven to rotate so that the movable hood 20 is fixed to the hood. The inside of the (10) is to move in the longitudinal direction of the screw shaft 40, that is, the driving direction of the fire truck 120.

In addition, the movable hood 20 has a roller 60 mounted to be idling at the lower end portions of both sides with respect to the movement direction, the rollers via the hinge pin 63 on the lower outer side of the movable hood 20. The upper end of the support 62 is rotatably mounted, and the roller 60 is mounted to the lower end of the roller support 62 so as to be rotatable, and the roller support 62 is moved by the spring 64. It is configured to maintain the state in which the roller 60 is in close contact with the inner surface of the fixed hood 10 by being elastically supported in a direction away from the).

Preferably, the roller guide rail 14 is fixed to the fixing hood 10 at the portion where the roller 60 is in contact.

In addition, the one end, the central portion and the other end of the rail 14 is operated by a striker 28 separately installed outside the roller 60 or the movable hood 20 to generate an electrical signal. Limit switches 16A, 16B and 16C are provided.

Hereinafter, the action of the present invention will be described as a case where the dust of the coke extruded by the fire truck in the coke oven is sucked.

FIG. 6 is an explanatory view of the operation of the present invention, in which a large amount of dust is generated in the coke carried out in the coke oven in the coke oven 1 and zone 3 of the coke extruded in the coke oven 120, the fire truck 120 is set The operation of the present invention will be described under the assumption that it moves in the direction of the arrow at speed.

The moving hood 20 is initially set to be positioned at the central portion of the fixed hood 10, and waits for the intake of dust in this state.

The coke which generates a large amount of dust is loaded on the area 1 of the fire truck 120, and when the fire truck 120 moves and the area 1 enters the lower area of the fixed hood 10, Entry is sensed by a sensor or operator's visual observation, which is not shown. At this time, the driving motor 50 is driven to move the moving hood 20 to the upper portion of the area 1 of the fire truck 120.

Then, when the driving hood 50 is driven to move the moving hood 20 at the same speed as the fire truck 120, when the area 1 of the fire truck 120 deviates from the lower area of the fixed hood 10. Up to, or for a predetermined time in advance, the dust can be sucked while maintaining the moving hood 20 in the upper portion of the area 1 of the fire truck 120.

Of course, after the area 1 of the fire truck 120 is out of the lower area of the fixed hood 10 or after a predetermined time has elapsed, the movable hood 20 may be in an initial state, that is, of the fixed hood 10. Move it so that it is located in the center.

Subsequently, when the area 3 of the fire truck 120 enters the lower area of the fixed hood 10, as in the case where the area 1 of the fire truck 120 enters the lower area of the fixed hood 10, the moving hood is moved. 20 is moved to the upper portion of the area 3 of the fire truck 120 to suck the dust and transport it to the duct 140.

 As described above, according to the double dust collecting hood device according to the present invention, the moving hood is provided inside the fixed hood so as to be movable in a predetermined direction, and the dust is processed by moving the moving hood to the upper part of the site where a large amount of dust is generated. The efficiency is improved.

Claims (3)

A fixed hood 10 positioned at the top of the dust collection area and having a connecting pipe 30 connected to the duct 140; A moving hood 20 positioned inside the fixed hood 10 and mounted to be movable in a predetermined direction, and configured to discharge dust to the connection pipe 30; The movable hood 20 is installed to be elongated in the moving direction of the movable hood 20 to move the movable hood 20 in the longitudinal direction when the fixed hood 10 is mounted and rotated so as to be able to rotate in the axial direction. Screw shaft (40) connected to the Dual dust collection hood device that is moved to the dust generation area containing a drive motor (50) for rotationally driving the screw shaft (40). The roller support 62 of claim 1, wherein the roller support 62 is rotatably mounted on the outer surface of the movable hood 20, the roller 60 is rotatably mounted to the roller support 62, and the roller 60. And a spring (64) mounted to provide an elastic force to the roller support (62) so that the roller rotates in a direction in close contact with the fixed hood (10). The striker 28 according to claim 1, wherein the striker 28 is mounted on the movable hood 20, and the striker 28 is mounted at a plurality of locations along the moving direction of the striker 28 and attached to the striker 28. And a limit switch (16A) (16B) (16C) to operate by generating an electrical signal.

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