Lattice brick with 19 lattices and lattice hole diameter of 25 mm and stacking method

A checker brick and hole diameter technology, applied in the regenerator of high-temperature heat storage exchangers and heat exchange furnaces, 19-hole 25mm grid hole diameter checker bricks and stacking, high-efficiency and low-cost regenerator field, can solve manufacturing difficulties Advanced problems, to achieve the effect of low production difficulty, uniform gas flow field, and reduced use cost

Inactive Publication Date: 2016-04-06
BEIJING SHOUGANG INT ENG TECH
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide a checker brick with 19 holes and 25mm grid hole diameter and a stacking method, which solves the problem of relatively high manufacturing difficulty

Method used

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  • Lattice brick with 19 lattices and lattice hole diameter of 25 mm and stacking method
  • Lattice brick with 19 lattices and lattice hole diameter of 25 mm and stacking method
  • Lattice brick with 19 lattices and lattice hole diameter of 25 mm and stacking method

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Embodiment Construction

[0016] Figure 1 to Figure 5 is a specific embodiment of the present invention

[0017] A checkered brick with 19 holes and 25mm grid hole diameter, a regular hexagonal prism brick body 1 and 19 complete circular through holes 2 in the vertical direction distributed on the brick body, 12 semicircular through holes 3, and 6 1 / 3 circular through hole 4, the diameter of the circular through hole is 25mm, and the complete circular through hole 2 is divided into three rings inside and outside the center of the checker brick, and the 12 through holes in the outermost ring are parallel to the six hexagonal prisms. According to the average distribution of 3 through holes on each side, the angle between the center of the hole and the center of the checker brick is divided into 30°, and the 6 through holes in the middle ring are divided equally every 60° in the circumferential direction. The inner ring is a circular through hole located in the very center of the brick body 1. There are...

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Abstract

The invention provides a lattice brick with 19 lattices and the lattice hole diameter of 25 mm and a stacking method, and belongs to the technical field of hot blast stoves in the steelmaking process. The lattice brick comprises a regular-hexagonal-prism-shaped brick body, 19 circular through holes, 12 semicircular through holes and 6 1 / 3-circular through holes. Three circular grooves evenly distributed in the circumferential direction are formed in the upper surface of the brick body. Corresponding circular bosses are arranged on the lower surface of the brick body. When multiple same brick bodies are stacked together, a gap with the size of 8-10 mm is reserved between the edges, making contact, of every two adjacent lattice bricks. The intersecting center of every three adjacent brick bodies serves as the placement center of the corresponding lattice brick on the upper layer, and then the six edges of each lattice brick on the upper layer are distributed on the three corresponding lattice bricks on the lower layer in pairs. The lattice brick has the advantages of being uniform in overall structure and low in manufacturing difficulty.

Description

technical field [0001] The invention belongs to the technical field of hot blast stoves in the ironmaking process, and in particular relates to a checker brick with 19 holes and a grid hole diameter of 25 mm and a stacking method. In particular, the utility model relates to a high-efficiency and low-cost regenerator, which is suitable for a regenerator of a high-temperature regenerative exchanger and a heat exchange furnace. Background technique [0002] With the advancement of dust removal technology for the gas used in hot blast stove combustion, the pollution to the checker bricks in the regenerator is reduced. In order to obtain a larger heat storage area, the radial direction of the checker bricks is reduced. The series of small-aperture checker bricks currently developed mainly include 7-hole, 19-hole, 31-hole, 37-hole and 61-hole. The shape of checker bricks commonly used in hot blast stoves is a regular hexagonal prism, from 7-hole bricks with a diameter of φ42mm to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21B9/02
CPCC21B9/02
Inventor 孟玉杰张福明毛庆武张建银光宇李欣许云梅丛华胡祖瑞杨森曹朝真范燕
Owner BEIJING SHOUGANG INT ENG TECH
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