JPH09176714A - Brick for dome - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a brick having a shape which can easily insert from the inside, finally arranged in each ring, at the time of constructing a dome by arranging the brick for the dome in the circular direction. SOLUTION: This brick is used at the time of constructing the dome brick by arranging and laminating the bricks in the circular direction, and formed to a hexahedron composed of the inner and the outer peripheral surfaces, the upper and the lower surfaces and both side surfaces and formed to tapered shapes in the upper and the lower surfaces and both side surfaces. Then, the brick for the dome is arranged with a recessed dowel or a projecting dowel for preventing fall-down of the brick on each upper and lower surface, respectively. The inner and the outer peripheral surfaces of the brick for the dome opposite each other is parallel to each other, and its side surfaces each are tapered at an angle coming into close contact with the adjacent side surface of the brick finally arranged.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a dome brick used for building a dome of a furnace having a dome shape on the ceiling of a hot-air stove or the like.

[0002]

2. Description of the Related Art A dome brick 4 built on a conventional dome portion shown in FIG. 7 has basically the same shape, and in order to prevent the brick from falling off during operation, as shown in FIG. Is provided, and a concave dowel 48 is provided on the upper surface of the brick so that the concave and convex portions are engaged with each other at the time of construction to prevent the brick 4 from falling off. In addition, as shown in FIG. 8, the dome is constructed by building it in a ring shape while narrowing the diameter on the constructed brick shown by the one-dotted line, and stacking this to construct the dome. For this reason, the brick must first have a shape capable of forming a ring. Therefore, as shown in FIG. 9, the side surfaces 45 and 46 are tapered so that the length b (or b ') on the inner peripheral side of the brick forming the ring is smaller than the length a (or a') on the outer peripheral side. It is in the shape of. Also, because these rings are stacked to form a hemispherical dome, at the beginning of brickwork,
The angle of the brick outer peripheral surface 41 is almost perpendicular to the floor surface,
The angle needs to decrease in the direction parallel to the floor as it is stacked. Moreover, since the bricks are laminated in a ring shape on the top of the dome, the diameter of the ring is reduced. For this reason, the height c of the outer peripheral surface 41 of the brick 4 is made larger than the height c ′ of the inner peripheral surface 42 so that the upper and lower surfaces 4 of the brick in the horizontal direction.
3, 44 are formed in a tapered shape. Further, the taper direction of the both side surfaces 45, 46 is set so that the lower side a ′ is lower than the upper side a of the outer peripheral surface 41 and the lower side b ′ is lower than the upper side b of the inner peripheral surface 42.
There is also a taper in the direction of increasing (Fig. 9).

[0003]

When building a dome of a furnace having a dome shape on the ceiling, basically, a large number of dome bricks of the same shape are arranged in the circumferential direction and piled up in a ring shape (Fig. 8, FIG. 11A), the inner diameter of the ring is gradually reduced (FIG. 7) to form a dome shape (FIG. 6).
When building a ring-shaped dome brick, there are two methods for inserting the last brick of the ring.

Method of Inserting Final Brick from Top Side of Ring In this method, as shown in FIG. 9, the length a or b on the top side of the brick 4 forming the conventional dome is the length a ′ on the bottom side.
Or it is physically impossible to insert bricks from above the ring due to the taper shape smaller than b '.

Method of inserting the final brick from the outer circumference side to the inner circumference side of the dome In this method, the brick itself has the upper side length a (or b) of the brick 4 as shown in FIG. It is shorter than a '(or b'), and a convex dowel 47 is formed on the lower surface of the conventional dome brick 4.
There is a concave dowel 48 on the inner surface of the brick of the ring that was built before
Is to be matched. Therefore, when attempting to insert the brick 4 of FIG. 10B from the outer peripheral side of the ring, before inserting the convex dowel 47 into the concave dowel 48, as shown by the dotted line in FIG. It will be a floating state. However, since the upper surface side of the brick 4 is formed in a tapered shape which is shorter than the lower surface side as described above, the width e of the brick is usually slightly larger than the gap a between the bricks on both sides. . Therefore, when the final brick and the bricks on both sides of the final brick are manufactured strictly, it becomes impossible to insert the final brick.

Therefore, conventionally, in the case of performing the above-mentioned method, the length of the upper surface between the bricks arranged on both sides of the final brick of the ring is made longer than the lower surface length of the final brick to form the final brick. insert. Further, in the case of carrying out by the method, the size of the final brick is set so that it can be inserted between the bricks on both sides of the final brick even when only the convex dowels 47 are floated.
Therefore, or in any case, the final joint brick and the joint thickness of the bricks arranged on both sides of the final brick become large.

Further, the joint thickness of the dome brick around the final brick is built in advance to be smaller than the regular size, and the final inserted brick and the dome bricks arranged on both sides of the joint brick are made large in length, and the final brick is inserted. After that, a method of adjusting the joint size of the dome brick around the final insertion brick and the joint size of the final insertion brick to a regular size was adopted. For this reason, the brick joints are too larger than the regular size, or the brick joints are broken and the adhesive strength of the mortar is lost, which hinders the stability of the dome brick structure and thus significantly shortens the life of the furnace.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is used for arranging bricks in the circumferential direction and stacking the bricks to build a dome brick. A dome brick having a hexahedron consisting of both sides, in which upper and lower surfaces and both side surfaces are formed in a tapered shape, and concave and convex bricks for preventing brick fall-off or convex dowels are provided on each of the upper and lower surfaces. The dome brick is characterized in that the shape of the inner and outer peripheral surfaces of the brick arranged at the end is set so that the opposite side edges on both side surfaces are parallel to each other.

Further, the bricks are arranged in the circumferential direction, and are used for building a dome brick by stacking the bricks, and the bricks are hexahedral bodies having inner and outer peripheral surfaces, upper and lower surfaces, and both side surfaces. In a dome brick in which both side surfaces are formed in a taper shape and a concave dowel for preventing brick fall or a convex dowel is provided on each of the upper and lower surfaces, the bricks are arranged on both sides adjacent to the brick placed at the end according to claim 1. The dome brick is characterized in that the side surface of each brick is set at an angle close to the side surface of the brick to be arranged last.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below.
A method for constructing a furnace will be described with reference to the drawings. FIG.
2 is an explanatory view of the outer peripheral side at the time of inserting the final insertion brick (compressing brick) according to the first embodiment of the present invention, FIG. 2 is a perspective view of the final insertion brick according to the present invention, and FIG. 3 is FIG. FIG. 4 is a perspective view of the left insertion brick of the final insertion brick according to FIG. 4, FIG. 4 is a perspective view of the right insertion brick of the final insertion brick according to FIG. 2, and FIG. 5 is a perspective view of the final insertion brick according to the second embodiment of the present invention. Is. FIG.
Is a perspective view of the entire dome, FIG. 7 is a vertical sectional view thereof, and FIG. 8 is a plan view of the dome 1 ring.

The unit shape of the final insertion brick according to the present invention is shown in FIG. 2. This brick is composed of a hexahedron consisting of an outer peripheral surface 11, an inner peripheral surface 12, an upper surface 13, a lower surface 14 and a right side surface 15 and a left side surface 16. Has been done. And another dome brick 4
Similarly, a concave dowel 18 for preventing brick fall-off is provided on the upper surface 13, and a convex dowel 17 for preventing brick fall-off is provided on the lower surface.

The outer peripheral surface 11 has a rectangular shape having a width A and a height B, and the inner peripheral surface 12 has a smaller size than the outer peripheral surface 11 and has a width A'and a height B '. Has been formed. And the upper and lower surfaces 13, 14 and both side surfaces 15, 16 are
Since the inner and outer peripheral surfaces 11, 12 are formed so as to connect the respective sides, the upper and lower surfaces or the left and right side surfaces are tapered.

FIG. 3 shows the left brick 2 located on the left side of the final insertion brick 1 described above, and FIG. 4 shows the right brick 3 of the final insertion brick 1. These bricks are basically
It has a taper shape similar to that of the conventional brick shown in FIG. 3, and concave dowels 28 and 38 are formed on the upper surfaces 23 and 33, and convex dowels 27 and 37 are formed on the lower surfaces 24 and 34, respectively. However, the outer peripheral surface 11 and the inner peripheral surface 12 of the final insertion brick 1 are not trapezoidal but have a rectangular shape, etc.
The difference between (or b) and the lower side a '(or b') is increased. Therefore, the angle is set and the size is adjusted so that the increased volume is cut from the right side surface 25 of the left brick 2 and the left side surface 36 of the right brick 3 on both sides of the final insertion brick 1. When the final insertion brick 1 is inserted from above or from the outer peripheral side, the left side surface 16 of the final insertion brick 1 and the right side surface 25 of the left side brick 2 and the right side surface 1 of the final insertion brick 1 and the left side of the right side brick 3 are inserted. The surfaces 36 can be closely attached to each other.

The procedure for constructing a dome using the dome brick of this embodiment will be described with reference to the inset of the final insertion brick according to the present invention shown in FIG. The conventional dome bricks 4 are piled in the circumferential direction as usual. Then, when the bricks are arranged in the circumferential direction and the remaining three bricks are left, the left brick 2 of the final insertion brick and the right brick 3 of the final insertion brick of the present invention are piled up. Finally, the final insertion brick 1 according to the present invention is inserted from above. In that case, since both the upper side and the lower side of the finally inserted brick 1 have the same length A, the brick joint thicknesses 20 and 30 shown in FIG. It is possible to

Next, FIG. 5 is a perspective view of the final insertion brick 5 showing the second embodiment. The final insertion brick 5 has a shape in which the outer peripheral surface 51 or the inner peripheral surface 52 is formed into a parallelogram having a similar shape. Therefore, at the same height in the circumferential direction, the distance between the right side surface 55 and the left side surface 56 becomes equal. Therefore, the brick can be inserted from above at an angle according to the inclination of the inner and outer peripheral surfaces of the finally inserted brick 5.
In this case, when one angle of the parallelogram of the inner and outer peripheral surfaces of the final insertion brick 5 is made to coincide with one angle of the trapezoidal shape of the dome brick 4, the bricks provided on both sides of the final insertion brick are It can also function as a normal dome brick. It is efficient to manufacture two bricks having a shape different from that of the normal dome brick 4.

The final insertion brick used in the present invention is preferably used at a position different from the final insertion brick position of the ring in the vicinity.

[0017]

As described above, when the dome is constructed by using the single brick for the dome according to the present invention, the brick joint around the final insertion brick for each ring of the dome has a regular size or more. The final brick can be easily inserted from the inside without blunting or breakage of the joint, the stability of the dome structure can be secured, and the life of the furnace can be extended.

[Brief description of the drawings]

FIG. 1 is an explanatory view of an outer peripheral side when a final insertion brick (compressing brick) is inserted according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a final insertion brick according to the present invention.

3 is a perspective view of a left brick of the final insertion brick according to FIG. 2; FIG.

FIG. 4 is a perspective view of the right brick of the final insertion brick according to FIG. 2;

FIG. 5 is a perspective view showing a final insertion brick according to a second embodiment of the present invention.

FIG. 6 is a schematic perspective view of the entire dome.

FIG. 7 is a vertical sectional view of a dome.

FIG. 8 is a plan view of a dome ring formed of bricks forming a dome.

FIG. 9 is a perspective insertion view of a conventional dome brick.

FIG. 10 is an explanatory diagram showing an insertion state of a conventional final insertion brick.

FIG. 11 is an explanatory view showing an insertion state of a conventional final insertion brick as seen from the outer peripheral side.

[Explanation of symbols]

1 Brick for final insertion 2 Brick for left side 3 Brick for right side 4 Dome brick 5 Final insertion brick 11, 21, 31, 41, 51 Outer peripheral surface 12, 22, 32, 42, 52 Inner peripheral surface 13, 23, 33, 43, 44 Upper surface 14, 24, 34, 44, 45 Lower surface 15, 25, 35, 45, 55 Right side surface 16, 26, 36, 46, 56 Left side surface 17, 27, 37, 47, 57 Brick drop prevention convex dowel 18 , 28, 38, 48, 58 Recessed dowels for preventing bricks from falling 20 Joints between right and left bricks of final inserted brick and right and left bricks of final inserted brick 30 Left and right bricks of final inserted brick and general brick joint

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazushi Iwaki 1-3-1, Niihama, Arai-cho, Takasago, Hyogo Prefecture Harima Ceramic Co., Ltd. (72) Reiji Kozuki 1-3-3, Niihama, Arai-cho, Takasago, Hyogo No. 1 Harima Ceramics Co., Ltd. (72) Inventor Harunobu Kitanaka 1-3-1, Niihama, Arai-cho, Takasago, Hyogo Prefecture Harima Ceramics Co., Ltd.

Claims (2)

[Claims] 1. A brick which is arranged in a circumferential direction and is used when building a dome brick by laminating the bricks, and which is a hexahedral brick having inner and outer peripheral surfaces, upper and lower surfaces, and both side surfaces. In the dome brick with both side surfaces tapered and concave and convex dowels for preventing brick fallout on the upper and lower surfaces, the shape of the inner and outer peripheral surfaces of the brick placed at the end in the circumferential direction should be A brick for a dome characterized in that the opposite sides on the surface side are set in parallel. 2. A brick which is arranged in a circumferential direction and is used when laminating the bricks to build a dome brick, and which is a hexahedral brick having inner and outer peripheral surfaces, upper and lower surfaces and both side surfaces, the upper and lower surfaces, and A dome brick in which both side surfaces are formed in a taper shape and concave and convex bricks for preventing brick fall-off or convex dowels are provided on each of the upper and lower surfaces, and the dome bricks are arranged adjacent to each other in contact with the finally arranged bricks according to claim 1. A brick for a dome characterized in that the side surface of each brick is set to an angle that closely contacts the side surface of the brick to be placed last.