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Checker brick with plum blossom hole for air heating furnace

A technology of checker bricks and plum blossom holes, which is applied in the field of checker bricks, can solve the problems of small heat storage area, small hot air flow rate, and small hole diameter, and achieve the effects of enhancing heat storage capacity, increasing blast furnace temperature, and reducing the proportion of coke

Inactive Publication Date: 2009-10-07
郑州方圆耐火材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The checker bricks used in the prior art usually have round holes with small apertures, small heat storage area, small heat release, small hot air flow, and relatively high cost

Method used

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  • Checker brick with plum blossom hole for air heating furnace
  • Checker brick with plum blossom hole for air heating furnace

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Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, where the schematic embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

[0017] Such as Figure 1-2 As shown, in the plum-blossom-shaped checker bricks for hot blast stoves provided in this embodiment, through-holes 1 are arranged on the checker bricks, and the through-holes 1 are arranged equidistantly. It is composed of six 120-degree circular arcs of the same size connected end to end; the periphery of the checker brick is provided with a semi-quincunx-shaped hole 4 and a 120-degree circular arc hole 5 composed of three 120-degree circular arcs connected in sequence, and the checker brick Grooves 2 are provided on the upper end surface, and bumps 3 are provided at corresponding positions on the lower end surface of the checker brick.

[0018] The through h...

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Abstract

The invention relates to the field of industrial bricks, and discloses a checker brick with plum blossom holes for an air heating furnace. The checker brick is provided with through holes which are equidistantly arranged and shaped like plum blossoms; each plum blossom-shaped through hole is formed by head-to-tail connection of six 120-degree circular arcs of the same size; the periphery of the checker brick is provided with a 120-degree circular arc hole and a semi plum blossom-shaped hole which is formed by sequentially connecting three 120-degree circular arcs; the upper end face of the checker brick is provided with grooves; and the lower end face of the checker brick is correspondingly provided with projections. The checker brick with plum blossom holes for the air heating furnace has large heating surface, good stability, large hot air flow, and good up and down air flowing effect, is not easy to block, solves the long-time problems of intensity smelting and low blast temperature, and improves the furnace temperature of a blast furnace.

Description

technical field [0001] The invention relates to the field of industrial bricks, in particular to a checker brick for a hot blast stove. Background technique [0002] Checker bricks are commonly used heat storage devices in heating equipment such as hot blast stoves and preheating furnaces, which can greatly reduce the amount of fuel used in industry. The checker bricks used in the prior art usually have round holes, small hole diameter, small heat storage area, small heat release, small hot air flow rate, and relatively high cost. Contents of the invention [0003] In order to solve the problems existing in the prior art, the present invention provides a plum-blossom checker brick for hot-blast stoves that can increase the flow rate of air and hot air, and has a good effect of passing up and down airflow. [0004] The present invention is achieved like this: [0005] A checker brick with plum blossom holes for a hot blast stove. The checker brick is provided with through...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C1/39
Inventor 李照来李三来周战强伍积明陈映明周强程冬生
Owner 郑州方圆耐火材料有限公司
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