KR880000046B1 - Hopper apparatus for distributing the burden - Google Patents

Abstract

The invention provides under a charge hopper (1) a rotary chute (2) which on the outer surface has a ring gear and within its lower part a cone chute outlet with vertical partition walls fixed within it. When a charge drops through the chute, the partition walls within the rotating chuet disperse the droping materials for even distribution in the furnace. The chute (2) rotates by the ring gear engaged with a drive motor mounted on the furnace wall. The drive motor speed controls the falling angle and distance of the materials for effective distribution.

Description

Blast Furnace Fill Dispenser

1 is a cross-sectional view of the installation and use of the present invention.

2 is a plan view of the present invention.

3 is a cross-sectional view taken along the line A-A of FIG.

4 (a), 4 (b) and 4 (c) is a dropping principle of the charge.

TECHNICAL FIELD The present invention relates to an apparatus for distributing blast furnace charges, and more particularly, to an apparatus for distributing charges in a bell-less type blast furnace.

Conventional contents of the bellows type blast furnace has been used in many ways, but the structure of the device is complicated, but the charging failure and equipment failure is frequent, the operating cost is increased, and the inspection of various parts gear, There was a problem that cannot be repaired.

It is an object of the present invention to simplify the distribution structure of the blast furnace charge and at the same time to improve the problems of the above conventional bellless type blast furnace, as well as to provide a new blast furnace charge distribution device of the bellows type.

That is, a rotary chute composed of an annular gear is integrally formed along the outer circumferential wall between the hopper and the blast furnace. By rotating the rotary gear formed on the outer surface of the wut as a drive gear of the motor, the contents are dispersed and dropped from the partition in the chute so that they are properly distributed and loaded into the blast furnace.

In particular, as the rotation speed of the chute increases, the contents are dropped and distributed at a far distance. Such adjustment of the fall angle is made simply by adjusting the motor speed.

This will be described in detail based on the accompanying drawings.

A vertical rotary chute (2) is installed directly under the raw material hopper (1), but inside the chute (2), a cone (3) fixed by a few partitions (4) is installed and the chute (2) is installed. It is rotated in one piece, and the rotary gear (7) is fitted to the chute (2) to rotate the chute (2), and the upper part is used when the direction of load is perpendicular to the chute (2). The bearing 8 was provided, and the lower part was equipped with the bearing 8 'used when the direction of load is parallel to the chute 2. In addition, the speed control motor (Motor) (5) is fixed to the furnace body (9) vertically, and the drive gear (6) is installed so as to rotate and mesh with the rotary gear (7). Reference numeral 10 is a raw material charge.

Referring to the effects of the present invention configured as described above are as follows. When the raw material 10 in the hopper 1 is properly dropped to the chute 2 and the speed adjusting motor 5 is driven, the drive gear 6 and the rotary gear 7 mesh with each other to rotate, and at the same time, the rotary gear 7 And the spout 2 integrated with the ball rotate on a bearing 8 'provided under the spout 2. In addition, the charge 10 falling into the chute 2 is driven to the edge of the chute 2 by the cone 3, and the rotational force of the chute 2 is transferred to the charge 10 by the partition 4. Delivered.

As a result, when the rotation is fast, the charge 10 falls at a distance with respect to the center of the chute 2, and when the rotation is slow, it is dropped at a close distance.

This is explained based on the principle diagram of FIG. 4 and the numerical value of the Example.

The charge 10 in the chute 2 is subjected to a linear velocity movement as shown in FIG. 4 (a) (v = rw). As such, the moment of rotation or departure from the chute 2 is the fourth (b). Like a tile, it will move like a horizontally thrown object at the speed of V. (Ignoring resistance)

That is, after t seconds, the speed (Vx) is

Vx = v

Vy = gt

After t seconds, the position (x, y)

x = Vt

Delayed reach distance (X)

가 된다.

Becomes

For example, the linear speed V must be 3.47 m / sec in order to drop the charge in the vertical chute 2 with a radius of 0.3 m and a height of 6.5 m at a radius of 4 m.

In order to induce such a linear velocity, the number of revolutions of the chute 2 becomes 110.r.p.m.

In this way, since the number of revolutions of the chute 2 can be determined by the basic formula as described above, the driver can arbitrarily control the distribution control of the charges. 2) It is possible to achieve the purpose very simply and reliably. It is not only there are few elements of failure and malfunction, but also the distribution control is made very simple by simple operation. It solves various problems of the distribution device.

Claims (1)

The lower cone 3 is provided with several partitions 4 in the rotary chute 2, and the speed regulating motor 5 and the rotary chute 2 are engaged with the gears 6 and 7 by sliding engagement. Distributing apparatus for blast furnace load characterized in that the fall angle of the blast furnace charge is controlled by adjusting the rotational speed of the rotary chute (2).

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