JPH10251650A - Inner cylinder brickwork structure of coke dry quenching equipment and brick for inner cylinder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the vertical joints of the inner cylinder brickwork of coke dry quenching equipment from loosening and opening and in its turn causing the collapse of brickwork by forming engaging grooves and engaging projecting lines on the inner cylinder brick in such a manner that they cross the direction of the periphery of the inner cylinder at right angles, and engaging the grooves and the projecting lines of each of the laid bricks. SOLUTION: The figure shows an oblique drawing wherein a prechamber 2 is formed on the upper part of a cooling chamber 1 of coke dry quenching equipment by partitioning a circular duct 4 by an inner cylinder 3 consisting of brickworks. Each inner cylinder brick has two parallel engaging grooves 7 formed on the upper side and two parallel engaging projecting lines 6 formed on the lower side in such a manner that the grooves 7 and the projecting lines 6 cross the peripheral direction of the cylinder 3 at right angles. The inner cylinder has a constitution wherein the bricks are used in such a manner that one of the two engaging grooves on a brick is engaged with the projecting line formed on the lower side of a brick laid thereon while other groove is engaged with the projecting line formed on the lower side of a brick laid thereon and adjacent to the afore-mentioned brick laid thereon to thereby make the vertical joints of the inner cylinder breaking joints.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a cooling chamber,
The present invention relates to an inner cylinder brick structure and inner cylinder brick of a coke dry fire extinguishing system in which a preliminary chamber is formed by partitioning an annular duct with an inner cylinder having a brick structure.

[0002]

2. Description of the Related Art FIG. 5 is a sectional view of a conventional coke dry fire extinguishing system, which comprises a cooling chamber 1 and a preliminary chamber 2 above the cooling chamber.
A preliminary chamber 2 is formed by partitioning an annular duct 4 by an inner cylinder 3 having a brickwork structure, and a plurality of gas vents 5 for extracting a cooling gas are arranged in an annular portion in an intermediate portion between the cooling chamber 1 and the preliminary chamber 2. An annular duct 4 made of a fire-resistant wall communicating with the gas vent 5 is provided on the outer periphery of the chamber 2 so that the exhaust gas from the annular duct 4 is introduced into the boiler via a dust remover (Japanese Patent Laid-Open No. Hei 6-248270). Reference).

FIG. 6 is a perspective view of a conventional brick for an inner cylinder. The inner cylinder that separates an annular duct from a preliminary chamber has a brick-stacked structure in which bricks are piled up. Engaging ridges 6 and engaging concave grooves 7 are formed in the circumferential direction of the inner cylinder indicated by arrows, and each brick is engaged with upper and lower bricks by the engaging ridges 6 and the engaging groove 7. It is brickworked.

[0004]

FIG. 7 is an explanatory view of a joint break in a conventional inner cylinder brickwork structure. FIG. 7- (a) is a plan view, FIG. 7- (b) is a front view, and FIG. In the inner cylinder brickwork structure, when the spare room is filled with coke and operated for many years,
In the inner cylinder brick stacking, the side pressure of the coke and the expansion and contraction of the brick are repeated, and the inner cylinder 3 of the preliminary chamber has an inner diameter gradually increasing as shown by a broken line in FIG. 7- (a) and FIG. There is a possibility that the vertical joints 8 are slackened and open, and the inner brickwork is collapsed.

[0005] The conventional engaging ridge 6 in the circumferential direction of the inner cylinder brick and the engaging concave groove 7 engaging with the same are effective for the joint break of the horizontal joint of each brick, but the joint of the vertical joint 8 is effective. It is not effective for cutting.

In order to prevent the collapse of the brickwork of the inner cylinder in the spare room, it is conceivable to increase the wall thickness of the brickwork of the inner cylinder. However, the sectional area of the annular duct is reduced, and the equipment is increased due to the increase in weight. This raises costs and is not preferred.

The present invention provides an inner cylinder brick structure and a brick for an inner cylinder that can prevent the occurrence of joint breakage in a vertical joint in an inner cylinder brick structure of a spare room of a coke dry fire extinguishing facility. .

[0008]

The brick structure of the inner cylinder of the coke dry-fire extinguishing system according to the present invention is composed of a cooling room and a spare room above the cooling room. A chamber is formed, and a plurality of gas vents for extracting a cooling gas are arranged in an annular shape in an intermediate portion between the cooling chamber and the spare chamber,
In the inner cylinder brick structure of the coke dry fire extinguishing equipment provided with an annular duct consisting of a fire-resistant wall communicating with the gas vent on the outer periphery of the spare chamber, an engaging groove perpendicular to the inner cylinder in the circumferential direction of the inner cylinder is provided on the inner cylinder brick. An engagement ridge is formed, and the engagement concave groove and the engagement ridge of each of the stacked bricks for the inner cylinder are engaged.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view of an inner cylinder brick used for an inner cylinder brick structure according to the present invention. The upper surface of the brick shown in FIG. Are formed in parallel with each other, and two engagement ridges 6 orthogonal to the circumferential direction of the inner cylinder are formed in parallel on the lower surface of the brick.

FIG. 2 is a perspective view of an inner cylinder brick structure using the bricks shown in FIG. 1 (a). An annular duct 4 is partitioned by an inner cylinder 3 of a brick structure made of a refractory material, and a preliminary chamber 2 is formed. A plurality of gas vents 5 for extracting the cooling gas are annularly arranged in an intermediate portion between the cooling chamber 1 and the preliminary chamber 2, and an annular duct 4 communicating with the gas vent 5 is provided on an outer peripheral portion of the preliminary chamber 2. Is provided.

In the inner cylinder brick structure using the brick for the inner cylinder shown in FIG. 1- (a), one of the two engagement grooves formed on the brick has an upper one. The engaging ridge formed on the lower surface of the brick to be stacked is engaged, and the other engaging concave groove is formed on the lower surface of the brick stacked on adjacent to the brick stacked on the above. Engage the strip.

The vertical joints 8 formed between the adjacently stacked bricks are broken joints so that the upper and lower bricks do not become through joints in order to increase the strength of the inner cylinder brick structure.

FIG. 3 is a front view of the inner cylinder brick structure of the present invention. In the inner cylinder brick structure of the present invention, the engaging ridges 6 and the engaging grooves 7 orthogonal to the circumferential direction of each brick are formed. Since the inner cylinder is firmly fixed and does not move, the inner cylinder is less likely to be deformed toward the annular duct, and the vertical joint 8 of the brickwork of the inner cylinder does not open.

The brick for an inner cylinder shown in FIG. 1- (b) has two engaging grooves 7 perpendicular to the circumferential direction of the inner cylinder indicated by arrows on the upper surface of the brick, and two in the circumferential direction of the inner cylinder. On the lower surface of the brick, two engaging ridges 6 perpendicular to the circumferential direction of the inner cylinder and two engaging ridges 6 in the circumferential direction of the inner cylinder are formed. Is formed.

When the brick for the inner cylinder shown in FIG.
Of the two engaging grooves formed on the brick in the circumferential direction and the direction orthogonal to the circumferential direction, one engaging groove is formed in the circumferential direction and the circumferential direction formed on the lower surface of the brick stacked thereon. Each of the engaging ridges which are orthogonal to each other is engaged with each other, and each of the other engaging concave grooves is formed on the lower surface of the brick piled up adjacent to the brick piled up thereon. Engage with the ridge. A joint formed between adjacently stacked bricks is formed in the middle of two engaging ridges (or engaging concave grooves), and bricks are stacked so that upper and lower bricks do not become joints. In this inner cylinder brickwork structure, the engagement concave groove and the engagement ridge that are orthogonal to the circumferential direction of each brick are engaged and firmly fixed and do not move, so that the inner cylinder does not easily curve toward the annular duct side In addition, the vertical joint of the inner brickwork is prevented from being opened, and the engaging groove in the circumferential direction and the engaging ridge are engaged, which is effective for breaking the joint of the horizontal joint.

FIG. 4 is a perspective view showing another embodiment of the brick structure of the inner cylinder according to the present invention. One engagement groove 7a is provided at the center of the upper surface and the lower surface of the brick at right angles to the circumferential direction of the inner cylinder. And the bricks on both sides of which are formed with engagement ridges 6a each having substantially the same cross section as half of the cross section of the engagement groove.

In the inner cylinder brick stacking structure of the present embodiment, the engaging ridges 6a on the respective sides of the bricks stacked adjacent to each other are fitted into the engaging grooves 7a orthogonal to the circumferential direction of each brick. The vertical joint 8 of the inner cylinder brickwork
Will not open.

[0018]

According to the present invention, the upper and lower surfaces of the brick for the inner cylinder for constructing the brick structure of the inner cylinder are provided with engaging grooves and engaging ridges in the circumferential direction. On the other hand, it is firmly fixed, so the vertical joint does not open. For this reason, there is no danger that the inner diameter of the spare chamber will gradually increase, and there is no danger of the inner brickwork being collapsed. As a result, the service life of the coke dry fire extinguishing equipment can be extended.

[Brief description of the drawings]

FIG. 1 shows a brick for an inner cylinder used for an inner cylinder brick structure according to the present invention.

FIG. 2 is a perspective view of an inner cylinder brick structure using the brick shown in FIG. 1- (a).

FIG. 3 is a front view of the inner cylinder brick structure of the present invention.

FIG. 4 is a perspective view showing another embodiment of the inner cylinder brickwork structure of the present invention.

FIG. 5 is a cross-sectional view of a conventional coke dry extinguishing system.

FIG. 6 is a cross-sectional view of a conventional brick structure of an inner cylinder.

FIG. 7 is an explanatory view of joint breakage of the inner cylinder brickwork structure.
FIG. 7A is a plan view, and FIG. 7B is a front view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cooling room 2 Preliminary room 3 Inner cylinder 4 Annular duct 5 Gas vent 6,6a Engaging ridge 7,7a Engaging groove 8 Vertical joint

Claims (5)

[Claims] 1. A cooling chamber and a preliminary chamber above the cooling chamber. A preliminary chamber is formed by partitioning an annular duct with an inner cylinder having a brickwork structure, and a cooling gas is extracted to an intermediate portion between the cooling chamber and the preliminary chamber. A plurality of gas vents are arranged in a ring, and in an inner cylinder brick-stacking structure of a coke dry fire extinguishing equipment provided with an annular duct formed of a fire-resistant wall communicating with the gas vent on the outer periphery of the preliminary chamber, Characterized in that an engaging concave groove and an engaging convex line orthogonal to the circumferential direction of the brick are formed, and the engaging concave groove and the engaging convex line of each of the stacked bricks for the inner cylinder are engaged with each other. Brick structure of inner cylinder of dry fire extinguishing equipment. 2. The brick structure for coke dry fire extinguishing equipment according to claim 1, wherein the joint of the brick structure for inner cylinder is a break joint. 3. A coke in which an engagement groove which is orthogonal to the circumferential direction of the inner cylinder is formed on the upper surface of the brick, and a plurality of engaging ridges which are orthogonal to the circumferential direction of the inner cylinder are formed on the lower surface of the brick. Brick for inner cylinder of dry fire extinguishing equipment. 4. An upper surface of the brick is formed with a plurality of engaging grooves perpendicular to the circumferential direction of the inner cylinder and at least one engaging groove in the circumferential direction of the inner cylinder, and a lower surface of the brick is formed on the lower surface of the brick. A plurality of engagement ridges orthogonal to the circumferential direction of the inner cylinder, and at least one engagement ridge in the circumferential direction of the inner cylinder, for an inner cylinder of a coke dry fire extinguishing facility. brick. 5. An engagement groove which is perpendicular to the circumferential direction of the inner cylinder is formed at the center of the upper surface and the lower surface of the brick, and half of the cross section of the engagement groove at both sides of the brick. A brick for an inner cylinder of a coke dry-type fire extinguishing facility, wherein engagement ridges substantially the same as the cross section of each of the above are formed.