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Heat accumulator for aluminum oxide ceramic hollow brick heat accumulation heater and preparation method of heat accumulator

A technology of alumina ceramics and heat storage body, applied in heat storage equipment, lighting and heating equipment, indirect heat exchangers, etc., can solve problems affecting economic benefits, affecting production efficiency, and large economic losses, so as to improve quality, Avoid the effect of uneven material and uniform impact strength

Pending Publication Date: 2022-05-13
BEIJING AEROSPACE YISEN WIND TUNNEL ENG TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This not only affects production efficiency, but also brings large economic losses and affects economic benefits.

Method used

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  • Heat accumulator for aluminum oxide ceramic hollow brick heat accumulation heater and preparation method of heat accumulator
  • Heat accumulator for aluminum oxide ceramic hollow brick heat accumulation heater and preparation method of heat accumulator
  • Heat accumulator for aluminum oxide ceramic hollow brick heat accumulation heater and preparation method of heat accumulator

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Embodiment Construction

[0040] see figure 1 with figure 2 , A heat storage body for an alumina ceramic hollow brick heat storage heater provided in an embodiment of the present invention is a cylindrical structure assembled from several regular hexagonal prism heat storage blocks and side blocks cut from the heat storage blocks.

[0041] Wherein, the heat storage blocks in each layer of the heat storage body are arranged in sequence along the circumference around the central heat storage block, and the gaps between the outermost heat storage blocks are filled by side blocks. Specifically, the heat storage body is composed of m circles of heat storage blocks and one circle of edge blocks in the radial direction. Usually, the first circle, that is, the central position of the heat storage body, is composed of 1 heat storage block, and the second circle is composed of 6×1 heat storage blocks. face outside. The third circle is composed of 6 × 2 heat storage blocks, and these 12 heat storage blocks ar...

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Abstract

The invention provides a heat accumulator for an aluminum oxide ceramic hollow brick heat accumulation heater. The heat accumulator is of a cylindrical structure formed by assembling a plurality of regular hexagonal prism heat accumulation blocks and edge blocks formed by cutting the heat accumulation blocks. Airflow through holes are axially formed in the heat storage block, and the airflow through holes are formed in the cross section of the heat storage block in an equilateral triangle mode; the heat storage blocks in each layer of the heat storage body are sequentially arranged in the circumferential direction with the center heat storage block as the center, and the missing blocks between the outer sides of the heat storage blocks on the outermost periphery are filled with the edge blocks. The airflow through holes of the upper-layer heat storage blocks and the lower-layer heat storage blocks are correspondingly communicated; and the airflow through holes of the upper-layer side blocks and the lower-layer side blocks are correspondingly communicated. The invention further provides a preparation method of the heat accumulator for the aluminum oxide ceramic hollow brick heat accumulation heater. According to the heat accumulator for the aluminum oxide ceramic hollow brick heat accumulation heater and the preparation method of the heat accumulator, the ceramic defect of the heat accumulator is low, and the thermal shock resistance is high.

Description

technical field [0001] The invention relates to the technical field of heaters, in particular to a regenerator for an alumina ceramic hollow brick regenerator heater and a preparation method thereof. Background technique [0002] The alumina hollow brick heat storage heater is a high-temperature pure air heating device, and the temperature of the heated airflow can reach the order of 2000K. Alumina hollow brick heat storage heater is mainly composed of alumina regenerator, refractory cylinder, heat insulation cylinder, metal shell and other components. Among them, the alumina hollow brick regenerator is the core component of its energy storage and heating airflow. [0003] At present, since the alumina hollow brick regenerator is prone to ceramic defects in the preparation process, the high-temperature alumina regenerator brick is easily damaged due to the impact of extremely strong high-pressure cold air flow during use. Moreover, in order to meet the requirements for the...

Claims

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Application Information

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IPC IPC(8): F28D20/02C04B35/10C04B35/622
CPCF28D20/023C04B35/10C04B35/622Y02E60/14
Inventor 易欢黄炳修石运军晏硕王瑞祥宗昕
Owner BEIJING AEROSPACE YISEN WIND TUNNEL ENG TECH
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