JPH0397782A - Gas blower in coke dry quenching equipment - Google Patents

Abstract

PURPOSE:To provide a uniform dropping rate of red-hot coke by forming the planer shape of a blast head in a gas blower into an elliptical shape and crossing the major axes of the ellipse with beams supporting the blast head at right angles. CONSTITUTION:The planar shape of an umbrella-like blast head 13 forming a gas blowing outlet (13A) for uniformly blowing an inert gas from the lower part of a quenching oven 4 charged with red-hot coke 6 into the quenching oven 4 in the top center thereof is formed into an elliptical shape and the major axes of the aforementioned ellipse are crossed with beams 10 supporting the blast head 13 at right angles. Thereby, protruding parts (13B) are formed on the edges of the blast head 13 so as to be continuous to the edges on the side of the beams 10. As a result, the lowering rate of the red-hot coke is made uniform.

Description

[Detailed Description of the Invention] [Field of Industrial Application] This invention relates to a gas blowing device in a coke dry extinguishing system, and in particular to a gas blowing device for uniformizing the descending speed of red-hot coke.
This invention relates to a gas blowing device for coke dry extinguishing equipment that can uniformly cool red-hot coke.

[Conventional technology]

BACKGROUND ART Coke dry extinguishing equipment is generally known, which extinguishes red-hot coke discharged from a coke oven using an inert gas and effectively utilizes the waste heat generated at this time.

As shown in FIG. 3, this coke dry type fire extinguishing equipment is constructed by discharging coke packets 5 into a fire extinguishing furnace 4 which is provided with a pre-chamber 1 and a cooling chamber 2 in the upper part and a gas blowing device 3 in the lower part. Coke 6 was charged, and while the red-hot coke 6 was descending in the fire-extinguishing furnace 4, inert gas was blown into the fire-extinguishing furnace 4 from the gas blowing device 3 to extinguish the red-hot coke 6, and the fire was extinguished in this way. Coke, extinguishing furnace 4
The inert gas is sequentially cut out from the fire extinguishing furnace 4 by the coke cutting device 7 provided at the lower part of the coke, and the inert gas heated by exchanging heat with the red-hot coke 6 is sent to the waste heat boiler 8, where the inert gas is heated by exchanging heat with the red hot coke 6. This aims to effectively utilize the heat held by gas.

As shown in FIG. 3, FIG. 4, and FIG. A hollow beam 10 is fixed horizontally to the lower part of the pipe and communicates with the annular duct 9, a cylinder 11 is fixed vertically to the center of the beam 10 in communication with the beam, and a cylinder 11 is attached to the upper end of the cylinder 11. It also includes a plast head l2 having an umbrella-like planar shape. The plast head 12 has a gas outlet 12A formed in the center of its upper part.

A part of the inert gas from the annular duct 9 is blown directly into the lower part of the fire extinguishing furnace 4, and the remaining gas is fed into the plast head l2 through the pipe 10. A part of the inert gas supplied into the blast head l2 is blown into the shaft core of the fire extinguishing furnace 4 from the gas outlet 12A at the center of the upper part of the blast head 12, and the remaining gas is
It is blown into the peripheral part of the fire extinguishing furnace 4 from around the fire extinguishing furnace 4. In this way, the inert gas is uniformly blown into the fire extinguishing furnace 4.

In such dry coke extinguishing equipment, it is extremely important to allow the red hot coke 6 in the fire extinguishing furnace 4 to descend at a uniform speed in order to uniformly cool the red hot coke 6 and ensure stable operation of the coke dry extinguishing equipment. That's true.

However, as described above, since the plast head 12 is supported by the beam 1O in the fire extinguishing furnace 4, the descending speed of the red hot coke in the upper part of the beam 10 is slower than the descending speed of the red hot coke in other parts. . Therefore, there was a possibility that uniform cooling of the red-hot coke 6 could not be achieved.

Therefore, conventionally, as shown in FIGS. 6 and 7, an overhang 1 is provided on the edge of the blast head 12 that is perpendicular to the grain 10.
It has been proposed to form 2B in order to equalize the rate of descent of the red hot coke.

[Problem to be solved by the invention]

However, as described above, even if the overhang 12B is formed at the edge of the blast head 12 perpendicular to the beam 1O, the overhang 12B is not smoothly continuous with other edges.
It was not possible to significantly improve the uniformity of the falling rate of red hot coke.

Therefore, an object of the present invention is to provide a gas blowing device for a coke dry extinguishing equipment, which can significantly improve the uniformity of the descent rate of red-hot coke and uniformly cool the red-hot coke.

[Means to solve the problem]

The present invention provides a gas blowing device for coke dry fire extinguishing equipment, which has an umbrella-shaped blast head for uniformly blowing inert gas into the fire extinguishing furnace from the lower part of the fire extinguishing furnace charged with red hot coke. The blast head is characterized in that its planar shape is elliptical, and the long sleeve of the ellipse is orthogonal to the beam.

Next, one embodiment of a gas blowing device in a coke dry fire extinguishing facility will be described with reference to the drawings.

FIG. 1 is a schematic plan view showing an embodiment of a gas blowing device in a coke dry extinguishing equipment according to the present invention, and FIG. 2 is a schematic front view of the same.

As shown in FIGS. 1 and 2, the gas blowing device for coke dry extinguishing equipment of the present invention uniformly blows inert gas into the fire extinguishing furnace from the lower part of the fire extinguishing furnace charged with red-hot coke. Gas outlet 13A in the upper center for
The blast head 13 is shaped like an umbrella, and its planar shape is formed into an ellipse, and the long axis of the ellipse is perpendicular to the 'JIIO supporting the blast head 13.

The state of inert gas blowing from the blast head 13 is similar to that of a conventional blast head.

When the overhanging part 13B is formed at the edge of the plastic head 13 in this way, the overhanging part 13B is formed continuously with the edge on the beam 10 side.
The rate of descent of the red hot coke will not be uneven, as in

[Effects of the Invention] As explained above, according to the present invention, the blast head of the gas blowing device in the coke dry fire extinguishing equipment is formed into an elliptical planar shape, and the long axis of the ellipse supports the blast head. By arranging the coke perpendicularly to the coke, a useful descent can be achieved, such as making it possible to equalize the rate of descent of the red-hot coke.

[Brief explanation of drawings]

Fig. 1 is a schematic plan view showing an embodiment of the gas blowing device in coke dry extinguishing equipment of the present invention, Fig. 2 is a schematic front view thereof, and Fig. 3 is a schematic sectional view of the coke dry extinguishing equipment. , FIG. 4 is a plan view of a gas blowing device in a conventional coke dry extinguishing system, FIG. 5 is a front view of the same, and FIG. 6 is a plan view of another gas blowing device in a conventional coke dry fire extinguishing system. FIG. 7 is a front view of the same. In the drawings, l Brechamber 2 Cooling room, 3 Gas blowing device, 4 Fire extinguishing furnace, 5 Coke packet,
6 red hot coke, 7-coke cutting device, 8 waste heat boiler, 9 annular duct, l〇 single beam, 11 cylindrical body, l2 blast head, 12A gas outlet, 12B overhang, 1
3A 13 Blast head.

Claims (1)

[Claims] 1. In a gas blowing device for coke dry fire extinguishing equipment, which has an umbrella-shaped blast head for uniformly blowing inert gas into the fire extinguishing furnace from the lower part of the fire extinguishing furnace charged with red hot coke, the blast head is , a gas blowing device for coke dry extinguishing equipment, characterized in that its planar shape is elliptical, and the long axis of the ellipse is perpendicular to the beam.