CN211445492U

CN211445492U - Special-shaped octagonal cylindrical checker brick for regenerative chamber of glass tank furnace

Info

Publication number: CN211445492U
Application number: CN202020004488.6U
Authority: CN
Inventors: 张彪; 施佩; 朱建锋; 王芬; 任肇; 李竹玲
Original assignee: Shaanxi University of Science and Technology
Current assignee: Shaanxi University of Science and Technology
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-09-08
Anticipated expiration: 2030-01-02

Abstract

The utility model provides a glass tank furnace regenerator eight octagonal cylinder shape checker bricks of dysmorphism, includes the checker brick body, the checker brick body includes eight pairs of heat transfer faces, and the heat transfer face is curved surface heat transfer face and plane heat transfer face respectively, and the heat transfer face adopts curved surface, plane alternate arrangement mode to arrange, the checker brick body about the plain end face central part be equipped with protruding and concave structure respectively. The utility model discloses can full play heat exchange efficiency, flue gas waste heat recovery efficiency is high.

Description

Special-shaped octagonal cylindrical checker brick for regenerative chamber of glass tank furnace

Technical Field

The utility model relates to the technical field of glass manufacturing, in particular to a special-shaped octagonal barrel-shaped checker brick for a regenerative chamber of a glass tank furnace.

Background

The regenerator is used as a waste heat recovery device of the glass tank kiln, and has the advantages of effectively utilizing the waste heat of the flue gas to heat combustion-supporting air, improving flame and saving fuel. The lattice body is a key part for accumulating the heat of the flue gas in the heat storage chamber and heating the cold air to a higher temperature. Therefore, it is important to design the unit checker bricks having excellent heat exchange efficiency. The checker bricks which are used more and have higher heat utilization rate are octagonal cylindrical bricks at present. The heat exchange device has the advantages of being thin, large in heated surface area, strong in heat exchange capacity, simple in masonry, stable in structure and the like, and due to the fact that closed masonry is adopted, four diagonal faces and adjacent checker bricks are tightly bonded in sixteen heat exchange faces of the octagonal cylindrical bricks, heat exchange efficiency cannot be fully played, and flue gas waste heat recovery efficiency is limited.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a special-shaped octagonal barrel-shaped lattice brick for a regenerative chamber of a glass tank furnace, which can fully exert heat exchange efficiency and has high flue gas waste heat recovery efficiency.

In order to realize the purpose, the utility model discloses a technical scheme is:

the utility model provides a glass tank furnace regenerator eight horn shapes checker bricks of dysmorphism, includes checker brick body 1, checker brick body 1 include eight pairs of heat transfer faces, the heat transfer face is curved surface heat transfer face 2 and plane heat transfer face 3 respectively, the heat transfer face adopts curved surface, plane alternate arrangement mode to arrange, checker brick body 1 about the plain end face central part be equipped with protruding and concave yield structure respectively.

Checker brick body 1's height A be 100 ~ 150mm, thickness B is 30 ~ 40mm, relative heat transfer interior planes between apart from C be 200 ~ 240mm, heat transfer outer curved surface radius D is 75 ~ 95mm, the angle is 90.

The checker brick body 1 forms square check holes when being built, the length E of the check holes is 100-140 mm, and the checker brick bodies 1 are in line contact.

The parallel grooves on the inner side and the outer side of the height direction of the curved surface of the checker brick body 1 are 2-6 in number, are of a semicircular groove structure, and have the arc radius F of 5-10 mm.

The central parts of the upper and lower flat end surfaces of the checker brick body 1 are respectively provided with a convex trapezoidal structure and a concave trapezoidal structure, the sizes of the convex trapezoidal structure and the concave trapezoidal structure are consistent, the height G is 10-15 mm, the upper width H is 25-30 mm, and the lower width I is 30-40 mm, so that the checker brick is used for limiting and fixing.

The checker brick body 1 is made of alkaline high-purity magnesia bricks.

The utility model has the advantages that:

sixteen heat exchange surfaces of the octagonal cylindrical bricks adopted in the prior art are planes, and due to the masonry limitation, the four heat exchange surfaces cannot exert heat exchange efficiency. And the utility model discloses an eight plane, eight curved surface's form are creatively adopted to eight octagonal cylinder shape bricks of dysmorphism, form the check hole between two adjacent checker brick heat transfer curved surfaces for sixteen faces all can participate in the heat transfer, and flue gas or combustion air's flow also increases thereupon.

Meanwhile, the heating area of the checker brick can be increased due to the design of the curved surface and the arrangement of the parallel grooves on the curved surface.

The stacking mode of the adjacent checker bricks in the same plane is line contact instead of surface contact, so that the heat exchange area and the heat utilization rate are greatly improved. Meanwhile, the thickness of the brick wall is reduced, the single weight is reduced, and the cost performance of the brick is improved.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a main sectional view of the present invention.

Fig. 4 is a view of the stacking arrangement of the present invention.

In the figure: 1 is a checker brick body; 2 is a curved heat exchange surface; 3 is a plane heat exchange surface; a is the height of the checker brick; b is the thickness of the checker brick; c is the distance between the checker bricks and the heat exchange inner plane; d is the heat exchange outer curved surface radius of the checker brick; e is the length of a grid hole formed by piling the checker bricks; f is the arc radius of the parallel grooves on the inner side and the outer side of the height direction of the curved surface of the checker brick; G. h, I the height, the upper width and the lower width of the convex/concave trapezoidal structure at the central part of the upper and lower flat end surfaces of the checker brick are respectively.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1: a glass tank furnace regenerator special-shaped octagonal barrel-shaped checker brick comprises a checker brick body 1, wherein eight pairs of heat exchange surfaces are alternately arranged by adopting a curved surface heat exchange surface 2 and a plane heat exchange surface 3 respectively, and parallel grooves are formed in the inner side and the outer side of the height direction of the curved surface for increasing the heat exchange area; the central parts of the upper and lower flat end surfaces of the cylindrical brick are respectively provided with a convex structure and a concave structure for limiting and fixing when the checker is built (as shown in figure 2).

As shown in fig. 1 and 3: the utility model discloses further improvement lies in: octagonal cylinder checker brick's height A is 100 ~ 150mm, and thickness B is 30 ~ 40mm, and distance C is 200 ~ 240mm between the relative heat transfer inner planes, and heat transfer outer curved surface radius D is 75 ~ 95mm, and the angle is 90.

The utility model discloses further improvement lies in: the central parts of the upper and lower flat end surfaces of the checker brick are respectively provided with a convex trapezoidal structure and a concave trapezoidal structure, the sizes of the convex trapezoidal structure and the concave trapezoidal structure are consistent, the height G is 10-15 mm, the upper width H is 25-30 mm, and the lower width I is 30-40 mm, and the convex trapezoidal structure and the concave trapezoidal structure are used for limiting and fixing.

The utility model discloses further improvement lies in: the parallel grooves on the inner side and the outer side of the height direction of the curved surface of the checker brick are 2-6 in number and are of a semicircular groove structure, and the arc radius F is 5-10 mm.

As shown in fig. 4: the utility model discloses further improvement lies in: when the grid body is built, the four checker bricks enclose a square grid hole E, and the length of the grid hole is 100-140 mm.

The utility model discloses further improvement lies in: the checker brick is made of alkaline high-purity magnesia brick and is used for resisting the erosion of alkali steam and powder.

Claims

1. The utility model provides a glass tank furnace regenerator eight horn shapes checker brick of dysmorphism, a serial communication port, including checker brick body (1), checker brick body (1) including eight pairs of heat transfer faces, the heat transfer face is curved surface heat transfer face (2) and plane heat transfer face (3) respectively, the heat transfer face adopts curved surface, plane alternative arrangement mode to arrange, checker brick body (1) about the plain end face central part be equipped with protruding and concave yield structure respectively.

2. The special-shaped octagonal cylindrical checker brick for a regenerative chamber of a glass tank furnace as claimed in claim 1, wherein the height A of the checker brick body (1) is 100 to 150mm, the thickness B is 30 to 40mm, the distance C between the inner planes of the heat exchange is 200 to 240mm, the radius D of the outer curved surface of the heat exchange is 75 to 95mm, and the angle is 90 °.

3. The special-shaped octagonal cylindrical checker brick for the regenerative chamber of the glass tank furnace as claimed in claim 1, wherein square grid holes are formed when the checker brick bodies (1) are built, the length E of the grid holes is 100-140 mm, and the checker brick bodies (1) are in line contact with each other.

4. The special-shaped octagonal cylindrical checker brick for the regenerative chamber of a glass tank furnace as claimed in claim 1, wherein the number of parallel grooves on the inner side and the outer side of the checker brick body (1) in the height direction of the curved surface is 2-6, the checker brick is of a semicircular groove structure, and the radius of arc F is 5-10 mm.

5. The special-shaped octagonal barrel-shaped checker brick for the regenerative chamber of the glass tank furnace as claimed in claim 1, wherein the central parts of the upper and lower flat end surfaces of the checker brick body (1) are respectively provided with a convex trapezoidal structure and a concave trapezoidal structure, the convex trapezoidal structure and the concave trapezoidal structure are consistent in size, the height G is 10-15 mm, the upper width H is 25-30 mm, and the lower width I is 30-40 mm, and the checker brick is used for limiting and fixing.

6. The special-shaped octagonal cylindrical checker brick for the regenerative chamber of the glass tank furnace as claimed in claim 1, wherein the checker brick body (1) is made of alkaline high-purity magnesia brick.