JPS5929949Y2 - Air seal device between forced draft type cooler air chamber and trough - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an air seal device between an air chamber and a trough of a forced draft cooler.

As shown in FIG. 1, a forced draft cooler 1 in a sintering facility includes a plurality of troughs 3 connected in an endless circular shape and movable in a fixed direction on a rail 2, and the trough 3.
a blower (not shown) that sends cold air 4 from below to above;
It consists of an air chamber 5 provided below the trough 3 and a hood 6 provided above the trough 3.

The sintered ore was placed on the trough 3 and cooled by cold air 4 passing through the trough 3 from bottom to top.

By the way, since the air chamber 5 is fixed while the trough 3 moves, a sufficient gap is provided between the trough 3 and the air chamber 5 in consideration of smooth movement of the trough 3.

In order to prevent cold air from escaping from this gap, air seal plates 1 as shown in FIG. In order to prevent contact between the two, a gap a is absolutely required, and therefore loss of cold air could not be prevented.

Therefore, the present invention provides a sealing device that can almost eliminate the loss of cold air from the gap between the trough and the air chamber.

An embodiment of the present invention will be described below with reference to FIG.

Reference numeral 11 indicates a trough which is connected in a large number in an endless circular shape and is moved in a fixed direction; 12 is a fixed air chamber provided below the trough 11; and 13 is a side wall 1 of the trough 11.
This is a sealing device provided between the air chamber 1a and the side wall 12a of the air chamber 12.

The sealing device 13 will be explained in detail below.

14, the upper part 14a is located between the lower surface 11b of the trough side wall and the upper surface 12b of the air chamber side wall, and the lower part 14b
The air chamber side wall 1 is attached to the air chamber side wall 12a.
A support plate body 16 is supported so as to be swingable in the direction of arrow A via a shaft body 15 in a horizontal direction and substantially parallel to 2a;
5, one end is fixed to the upper part 14a of the support plate body 14 via a bolt 17, and the other end is fixed to the upper surface 12b of the side wall of the air chamber by a bolt 18.
A flexible first sealing material (for example, made of asbestos, rubber, etc.) is fixed via a flexible first sealing material.

On the upper surface of the upper part 14a of the support plate body 14, there is a second sealing material (for example, made of SS material) that is slidable on the lower surface 11b of the trough side wall closer to the center of the air chamber than the shaft body 15. A counterweight 20 is attached to the support plate 14 for pressing the upper surface of the second sealing material 19 against the lower trough side wall 111b.

Therefore, according to the above configuration, when the trough 11 is moving on the air chamber 12, the gap between the air chamber side wall upper surface 12b and the trough side wall lower surface 11b is the second.
Even if the sliding surface between the lower surface 11b of the trough side wall and the second sealing material 19 fluctuates, the fluctuation is absorbed by the flexible first sealing material 16. Therefore, a good sealing effect can always be obtained.

Incidentally, the air chamber side wall 12a is appropriately divided in its circumferential direction, and therefore the sealing device 13 is also divided at that portion.

For this reason, a protector 21 having a chevron-shaped cross section is attached to the earthen floor of the first sealing material 16, 16 via bolts 16 to prevent cold air from escaping.

Incidentally, since the gap between the second sealing material 19 and the dirt floor is very small, the cold air escaping from this gap can be ignored.

In FIG. 3, the sealing device 13 of the present invention has been explained with respect to one side of the air chamber 12, but of course, the sealing device 13 is provided on both sides of the air chamber 12, and the sealing device 13 is provided on both sides of the air chamber 12. Needless to say, it is provided all around the circumference.

As described above, according to the forced draft cooler air seal device of the present invention, it is possible to completely seal between the lower surface of the trough side wall and the upper surface of the air chamber side wall, which could not be sealed conventionally. Since the counterweight is used to constantly bias the second sealing material in the direction of sealing with an appropriate pressing force, a complete seal can be maintained even if the sliding surface between the lower surface of the trough side wall and the above sealing material fluctuates. You can expect it.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional view of a conventional cooling machine, Fig. 2 is an enlarged view of the section ■ in Fig. 1, and Fig. 3 shows an embodiment of the present invention.
It is an enlarged view of a part. 11...Trough, 11a...Trough side wall, 11b...Trough side wall lower surface, 12...
...Air chamber, 12a...Air chamber side wall, 12b...Air chamber side wall top surface,
13... Seal device, 14... Support plate body, 14a... Upper part, 14b... Lower part, 15... Shaft body, 16 ...First sealing material, 19... Second sealing material, 20...
··Counter weight.

Claims (1)

[Scope of utility model registration request] a support plate whose upper part is located between the lower surface of the trough side wall and the upper surface of the air chamber side wall, and whose lower part is swingably supported by the air chamber side wall via a shaft substantially parallel to the air chamber side wall; is fixed to the support plate and has its other end fixed to the upper surface of the side wall of the air chamber; enabled second
An air chamber and a trough of a forced ventilation type cooler, characterized in that the air chamber and the trough are comprised of a sealing material and a counterweight attached to the support plate body to press and bias the second sealing material against the lower surface of the side wall of the trough. Air seal device between.