JPS6221914Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a sealing device in sintered ore manufacturing equipment such as a sintering machine and a sintered ore cooler, and in particular, the sealing between the partition plate in the hood and the sintered ore surface, and the sealing between the hood and the sintered ore surface. The present invention relates to a sealing device that can be applied to sealing between troughs, sealing between troughs and air chambers, etc.

Conventionally, when closing the end of the hood or dividing the inside of the hood into multiple areas in order to recover the thermal energy of the waste gas that has passed through the sintered ore or to reuse it as combustion air, it is necessary to simply attach a partition plate to the hood. In many cases, the problem is that a large amount of gas flows out from between the sintered ore surface and the partition plate. Therefore, it was considered to hang a rubber belt or an asbestos sheet from the bottom edge of the partition plate, but rubber cannot withstand high heat and wears out quickly, and the asbestos sheet wears out quickly when it comes into contact with the uneven surface of the sintered ore. I had no use for it. Furthermore, as a sealing device between the trough and the hood or between the trough and the air chamber, a rubber plate is attached to one side and the tip of the plate slides against the other side. There was a problem in that a gap formed in the seal part quickly and in a short period of time, allowing air, exhaust gas, dust, etc. to leak out.

In view of these conventional problems, it is an object of the present invention to provide a sealing device that can withstand high temperatures, is resistant to wear, is elastically deformed to follow the displacement of the sealing surface, and can perform sealing reliably.

For this reason, the present invention provides a sealing device for sintered ore manufacturing equipment in which a wide brush-like body is formed by densely packing a large number of thin stainless steel wires in the same direction, and this brush-like body is attached to either the fixed side or the moving side to be sealed, and its tip is brought into sliding contact with or close to the sealing surface of the other side to effect sealing with the brush-like body.

The thin wire made of stainless steel may be straight, but it is preferable to use one formed into a fine wave shape, since there is less air leakage between the thin wires even when the brush-like body is elastically deformed, and the elastic restoring force is large. be.

An embodiment in which the present invention is applied to a sealing device between a hood partition plate of a sintered ore cooler and a sintered ore surface will be described below with reference to FIGS. 1 to 4. Reference numeral 1 denotes an annular trough, and inner and outer side plates 2a, 2 are integrally rotated around the center of the trough.
b, the upper surface between the side plates 2a and 2b is open, and the lower surface is closed by a number of bottom plates 3, one end of which is pivoted and the other end supported by a guide rail 4,
The trough 1 is configured to accommodate and move the sintered ore S in a space defined by the side plates 2a, 2b and the bottom surface 3. The bottom plate 3 is formed with a large number of gaps through which cooling air passes, and cooling air from an air chamber 5 disposed below the trough 1 is supplied to the sintered ore S to cool it. Reference numeral 6 denotes a hood disposed to cover the upper part of the trough 1, which collects exhaust gas that has passed through the sintered ore S and discharges it from ducts 7a and 7b.
The exhaust gas discharged from these ducts 7a and 7b is sent to a heat recovery device, used as sintering air, or released into the atmosphere from a chimney depending on its temperature and properties. 8 is duct 7
It is a partition plate provided in the hood 6 located between a and 7b, and extends to the vicinity of the lower end of the hood 6, and has a seal between the lower end and the upper surface of the sintered ore S accommodated in the moving frame 1. A sealing device 10 is installed.

As shown in FIGS. 3 and 4, the sealing device 10 consists of a large number of corrugated thin wires 12 made of stainless steel with a diameter of 0.1 to 0.15 mm, arranged closely together in the same direction, and one end of which is attached to a mounting plate 13. to form a wide brush-like body 11, and this brush-like body 11
is attached to the partition plate 8 with bolts 14 passing through the mounting plate 13, and arranged so that its tip is in sliding contact with or close to the surface of the sintered ore S.
If the thickness t of the portion of the brush-like body 11 where the thin wires 12 are overlapped is too thin, a sufficient sealing effect cannot be obtained;
Considerable sealing effect can be obtained even with 5mm or more, and 10~
A sufficient sealing effect can be obtained if the thickness is 15 mm or more.

In the above configuration, when the sintered ore S is accommodated and moved in the trough 1 and cooling air is sent into the air chamber 5, the sintered ore S is cooled by the cooling air that has passed through the bottom plate 3, and the sintered ore S is The passed exhaust gas is discharged from ducts 7a and 7b in each area divided by partition plate 8 in hood 6. In this hood 6, the exhaust gas is almost completely partitioned between the regions by the partition plate 8 and the sealing device 10, so that the exhaust gas from the high temperature region flows into the low temperature region and reduces thermal efficiency. No problems arise. In addition, since the sealing device 10 is composed of a brush-like body 11 made of stainless steel thin wire 12, its function will not deteriorate even if exposed to high temperatures, and it will have sufficient elastic restoring force. Therefore, even if the surface of the sintered ore S has large undulations, it is elastically deformed to follow the undulations, and the sealing action is always ensured.

In the above embodiment, the partition plate 8 of the hood 6 and the sintered ore S
Although the sealing device 10 between the surface and the surface is illustrated, the sealing device of the present invention can also seal between the trough 1 and the air chamber 5 as shown in FIG.
It is also applicable to the seal between the trough 1 and the hood 6. In FIG. 5, reference numeral 15 denotes a sealing surface forming member fixed to the lower ends of the side plates 2a and 2b of the trough 1, and a sealing surface 16 on which the tip of the brush-like body 11 slides.
is formed. Further, 17 is a mounting bracket for the brush-like body 11 formed at the upper end of the air chamber 5.

Further, although the above embodiments show an annular sintered ore cooler, the present invention can be similarly applied to a linear cooler, and furthermore, to a sintering machine.

According to the sealing device for sintered ore production equipment of the present invention, as is clear from the above explanation, since it is composed of a brush-like body made of densely packed fine wires made of stainless steel, gas leaks between the fine wires. There are almost no
It provides the necessary sealing function and has a long life as it can withstand high temperatures and is resistant to wear.
In addition, the brush-like shape provides flexibility and a large elastic restoring force, so even if there are irregularities on the sealing surface or relative displacement between the movable side and the fixed side, it will elastically deform to follow the shape, so it will always be reliable. It has great effects, such as creating a seal on the surface.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a schematic configuration diagram showing an expanded sintered ore cooler, Fig. 2 is a longitudinal sectional side view of the same, and Fig. 3 is a longitudinal sectional view of a sealing device.
FIG. 4 is a thin line front view, and FIG. 5 is an enlarged vertical sectional view of the main part of another embodiment. 1 is a trough, 2 is a side plate, 3 is a bottom plate, 5 is an air chamber, 6 is a hood, 8 is a partition plate, 10 is a sealing device, 11 is a brush-like body, and 12 is a thin wire made of stainless steel.

Claims (1)

[Claims for Utility Model Registration] (1) A wide brush-like body is constructed by crowding a large number of thin wires made of stainless steel in the same direction, and this brush-like body is to be sealed to each other on either the fixed side or the movable side. A sealing device for sintered ore manufacturing equipment, characterized in that it is attached to one side and its tip is brought into sliding contact with or close to the other seal. (2) The sealing device for sintered ore manufacturing equipment according to claim 1, wherein the thin wire is formed in a fine waveform.