KR20120074795A

KR20120074795A - Crushing device of lump ore for cbp measuring weight

Info

Publication number: KR20120074795A
Application number: KR1020100136742A
Authority: KR
Inventors: 장영철
Original assignee: 주식회사 포스코
Priority date: 2010-12-28
Filing date: 2010-12-28
Publication date: 2012-07-06

Abstract

PURPOSE: A device for crushing of lump ore for CBP measuring weight is provided to sort and sense the lump ore among CBP and automatically pulverize thereof, thereby increasing work efficiency. CONSTITUTION: A device for crushing of lump ore for CBP(10) measuring weight comprises a sensing part, a crusher and a control part. The sensor senses the lump ore. The sensor comprises a screen and a vibration sensor. The screen filters the lump ore out. The vibration sensor senses the vibration of the lump ore. The crusher smashes the lump ore which is detected by the sensor. The control part controls the crusher.

Description

CRUSHING DEVICE OF LUMP ORE FOR CBP MEASURING WEIGHT}

The present invention relates to a lump crushing device for CBP basis weight, and more particularly, it is installed in a feeder (FEEDER) for transferring the CBP (cold bonding pellet), the main raw material for producing molten iron of the blast furnace from the bin (BIN) to the hopper In addition, the lump crushing during CBP basis weight is prevented by detecting and detecting lumps mixed in the CBP being transported and then crushing them to prevent transfer interruption due to blockage of the lumps and to prevent safety accidents due to additional lump removal. Relates to a device.

In general, dust collected from various dust collectors in steel mills or sludge from the wastewater treatment process has a lot of iron powder or lime, which forms a hydrate together with water to form a hydrate with water. It is agglomerated and used for blast furnaces.

It is a resource recycling material that is reused in factories that utilize iron and iron slag waste generated in the steelmaking and steelmaking processes.

The advantages of using CBP include not only the reduction of landfill cost due to the increased recycling rate of waste resources, but also the secondary benefits such as increased sintering productivity, quality improvement and environmental pollution reduction through reuse of waste in the sintering process.

The CBP grows as a lump when it is used continuously while the dust is fixed due to the process of watering an appropriate amount of water due to the dust generated in the process of entering the subsidiary bin, and the dust generated by the impact during transportation.

The lumps generated in this way were caught by the exit of the feeder during the transfer of the CBP, or when the basis weight became impossible, it was common to remove them manually by a mandrel or a drill.

However, because the generated lump is not easy to break because of its large shape and high strength, it takes a long time when processed by hand, and thus the work efficiency decreases.

In particular, during the removal of the lumps by hand, the worker was swept away by CBP due to penetration, causing a safety accident such as falling into the hopper, and above all, the facility operation was stopped to deal with the lumps. there was.

The present invention has been made to solve the above problems, an object of the present invention is to screen and detect the necrosis of the CBP (cold-bonded pellet) introduced into the basis weight hopper and to break the transfer of CBP by the necrosis The present invention provides a lump crushing device for CBP basis weight that prevents and saves time according to additional work to deal with this, and prevents worker accidents.

The configuration of the present invention for achieving the above object is provided in the feeder for transferring the CBP, which is the main raw material for producing molten iron of the blast furnace from the bin to the hopper to provide a shredding device for detecting and crushing the lump, the feeder ( 40 includes a detector 50 for detecting the lump 20, a crusher 70 for crushing the lump 20 detected by the detector 50, and a controller for controlling the crusher 70. (79) is installed.

The detection unit 50 is composed of a screen 55 for filtering the lump 20, and a vibration sensor 59 for detecting the vibration of the lump 20 filtered through the screen 55, the screen ( 55 is a first frame 56 which is installed across the width direction of the feeder 40, and a plurality of second frames that are vertically spaced apart at regular intervals from the first frame 56 ( 57).

In addition, the crusher 70 is composed of an air or hydraulic cylinder (71) and a crushing blade (73) connected to the cylinder (71) to crush the lump 20 detected by the sensing unit (50). Will be.

On the other hand, the feeder 40 is preferably provided with a photosensor 80 for monitoring the detector 50 and the shredder 70.

According to the present invention configured as described above, after sorting and detecting the lump of CBP introduced into the basis weight hopper to be automatically crushed to prevent the CBP transfer interruption due to blockage of the lump has the effect of increasing the work efficiency.

In addition, there is an advantage that can reduce the time required for the additional manual work to handle the mining, and can prevent workers' safety accidents.

1 is a perspective view schematically showing a raw material transfer means from the conventional feeder to the chute,
Figure 2 is a perspective view schematically showing a gangrene crushing device during the CBP basis weight of the present invention,
Figure 3 is an excerpt perspective view of the crypt crushing device during CBP basis weight of the present invention,
Figure 4 is an excerpt perspective view showing another embodiment of the screen and crusher of the CBP basis weight crusher of the present invention,
Figure 5 is an exploded perspective view of the extraction of the lump crusher CBP basis weight of the present invention,
Figure 6 is an exploded perspective view showing another embodiment of the screen and crusher of the CBP basis weight crushing crusher of the present invention.

Hereinafter, the CBP basis weight crushing crushing device according to the present invention will be described in detail.

2 to 6 show a lump crusher during CBP basis weight according to the present invention.

As shown in the figure, the CBP basis weight crushed crushing device according to the present invention

It is a crushing device that detects and shreds lumps by installing CBP, the main raw material for producing molten iron of blast furnace, from bin to hopper.It is used for additional work to prevent and stop the transfer of CBP by lumps. It will save time and prevent worker accidents.

When the CBP basis weight lump crusher in detail as described above will be described in detail.

CBP basis weight gangrene crushing device of the present invention is a sensing unit 50 for detecting the lump 20, a crusher 70 for crushing the lump 20 detected by the detection unit 50, and the crusher And a control unit 79 for controlling the 70.

In addition, the detection unit 50 is composed of a screen 55 and the vibration sensor 59 for filtering the lump 20.

First, the screen 55 filters the lump 20 of a predetermined size or more in the CBP 10 passing through the feeder 40.

Here, the screen 55 is a plurality of first frames 56 installed in the width direction of the feeder 40 and spaced apart at regular intervals from the first frame 56 and installed vertically downward. The second frame 57 is composed of two.

In other words, the screen 55 has a plurality of the second frame 57 to be spaced at regular intervals in accordance with the size of the lump 20 to be filtered out of the lump 20 mixed in the CBP (10) To filter.

At each end of the second frame 57, a reinforcing frame 58 fixed in the longitudinal direction is installed on the bottom surface of the feeder 40 to mitigate the impact of the screen 55 by the lump 20. It is preferable.

In addition, as shown in FIG. 4 or 6, the screen 55 may be formed in a lattice form so that the lump 20 does not pass.

On the other hand, the vibration sensor 59 is provided on one side of the screen 55 detects the vibration generated when the gangwang 20 is filtered and interfered with the screen 55.

In this case, the vibration sensor 59 transmits the detected detection signal to the control unit 79 provided in the crusher 70, and the crusher 70 is operated and filtered by the control of the control unit 79. The lump 20 is crushed.

Here, the shredder 70 is installed on the top of the feeder 40 by a fixed frame 77, but the upper front of the screen 55 so as to crush the lump 20 filtered by the screen 55 It is installed to be located at.

In other words, the crusher 70 located above the lump 20 is operated by the controller 79 receiving the detection signal of the vibration sensor 59 to crush the lump 20.

In addition, the crusher 70 is composed of an air or hydraulic cylinder (71) and a crushing blade (73) connected to the cylinder (71) to crush the lump 20 detected by the sensing unit (50). do.

Here, the width of the shredding blade 73 is formed to correspond to the width of the feeder 40, but to be smaller than the width of the feeder 40 in order to avoid interference with the feeder 40.

In addition, as illustrated in FIG. 4 or 6, the lump 20 may be crushed by installing a plurality of crushers 70 having crushed rods 74 having sharp ends.

On the other hand, the feeder 40 is provided with a photosensor 80 for monitoring the detector 50 and the shredder 70.

In other words, the photosensor 80 captures the image of the working site, such as the gangrene 20 filtered by the screen 55, the crushed stone 20 is crushed by the crusher 70, Therefore, the video signal is transmitted to a separate manager server so that the manager can check the work site.

According to the present invention as described above, the present invention is installed in the feeder for supplying the hopper from the bin loaded with CBP, which is the main raw material for producing molten iron of the blast furnace.

While the lump 20 generated inside the bin is transferred to the hopper, the lump 20 is filtered and interfered with the screen 55, and the vibration sensor 59 detects the vibration generated and detects the detection signal. Transfer to the control unit 79.

Subsequently, the crusher 70 installed on the top of the lump 20 is operated under the control of the controller 79 to crush the lump 20 filtered by the screen 55.

In addition, by the photosensor 80 installed in the feeder 40, the image of the work site is transmitted to a separate manager server to the administrator to check the work site.

10: CBP 20: Odds
40: feeder 50: detector
55: screen 56: first frame
57: second frame 58: reinforcement frame
59: vibration sensor 70: crusher
71: cylinder 73: crushing blade
74: crushing rod 77: fixed frame
79: control unit 80: photosensor

Claims

CBP, which is a main raw material for producing molten iron in the blast furnace, is installed in a feeder for transferring a bin from a hopper to provide a crushing device for detecting and crushing lumps, wherein the feeder 40 detects the lumps 20 ( 50, a crusher 70 for crushing the lump 20 detected by the detector 50, and a control unit 79 for controlling the crusher 70 is installed. Necrotic crushers.

According to claim 1, wherein the detection unit 50 is a screen 55 for filtering the lump 20, and a vibration sensor 59 for detecting the vibration of the lump 20 filtered through the screen 55 CBP basis weight gangrene crushing device, characterized in that configured.

According to claim 2, wherein the screen 55 is vertically spaced apart from the first frame 56 and the first frame 56, which is installed across the width direction of the feeder 40 at regular intervals. CBP basis weight lump crushing device, characterized in that consisting of a plurality of second frames (57) to be installed.

According to claim 1, wherein the shredder 70 is connected to the air or hydraulic cylinder 71, the cylinder 71, the shredding blade for crushing the lump 20 detected by the detection unit 50 ( CBP basis weight lump crusher, characterized in that consisting of 73).

5. The CBP basis weight of any one of claims 1 to 4, wherein the feeder 40 includes a photosensor 80 for monitoring the detector 50 and the crusher 70. Shredding device.