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Baking equipment

A technology for baking equipment and ovens, which is applied in the direction of heat storage equipment, combustion equipment, lighting and heating equipment, etc. It can solve the problems of short service life, poor heat preservation, poor sturdiness, etc., and achieve improved bonding performance, good heat storage capacity, The effect of temperature stabilization

Inactive Publication Date: 2017-05-31
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The temperature of traditional wood-burning stoves is 600-800°C, and relatively cheap clay bricks can be used as heat storage materials. Although clay bricks are low in cost, they are poor in firmness, easy to crack, short in service life, and poor in heat preservation. , and since 1993, the state has explicitly prohibited the production of clay solid bricks and restricted the production of clay hollow bricks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031]A heat storage brick used in heat preservation boilers, which is made by mixing the following raw materials according to the weight ratio: 25kg of high alumina, 25kg of aluminum silicate, 20kg of zirconium silicate, 10kg of high-purity magnesia, 8kg of silicon nitride, and 2kg of titanium dioxide , silica sol 6kg, water 4kg. Among them, the particle size of high alumina is required to be 0.1-1mm, and the content of aluminum oxide in high alumina is more than 65%; the particle size of high-purity magnesia is required to be 0.1-1mm, the content of MgO is 96%, and the rest is impurities.

[0032] The above-mentioned heat storage bricks are made by the following methods: prepare raw materials according to the weight ratio; mix high alumina, aluminum silicate, zirconium silicate, silicon nitride, and titanium dioxide uniformly to form a premix; mix water, silica sol, and high-purity magnesium The sand is mixed evenly and then added to the premix. After mixing evenly, it is pr...

Embodiment 2

[0034] A heat storage brick used in heat preservation boilers is made by mixing the following raw materials according to the weight ratio: 30kg of high alumina, 20kg of aluminum silicate, 15kg of zirconium silicate, 6kg of high-purity magnesia, 9kg of silicon nitride, and 3kg of titanium dioxide , silica sol 10kg, water 6kg. Among them, the particle size of high alumina is required to be 0.1-1mm, and the content of aluminum oxide in high alumina is more than 65%; the particle size of high-purity magnesia is required to be 0.1-1mm, the content of MgO is 98%, and the rest is impurities.

[0035] The above-mentioned heat storage bricks are made by the following methods: prepare raw materials according to the weight ratio; mix high alumina, aluminum silicate, zirconium silicate, silicon nitride, and titanium dioxide uniformly to form a premix; mix water, silica sol, and high-purity magnesium The sand is mixed evenly and then added to the premix. After mixing evenly, it is pressed ...

Embodiment 3

[0037] A heat storage brick used in heat preservation boilers is made by mixing the following raw materials according to the weight ratio: 28kg of high alumina, 22kg of aluminum silicate, 16kg of zirconium silicate, 8kg of high-purity magnesia, 11kg of silicon nitride, and 3kg of titanium dioxide , silica sol 7kg, water 5kg. Among them, the particle size of high alumina is required to be 0.1-1mm, and the content of aluminum oxide in high alumina is more than 65%; the particle size of high-purity magnesia is required to be 0.1-1mm, the content of MgO is 97%, and the rest is impurities.

[0038] The above-mentioned heat storage bricks are made by the following methods: prepare raw materials according to the weight ratio; mix high alumina, aluminum silicate, zirconium silicate, silicon nitride, and titanium dioxide uniformly to form a premix; mix water, silica sol, and high-purity magnesium The sand is mixed evenly and then added to the premix. After mixing evenly, it is pressed ...

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Abstract

The invention provides baking equipment and belongs to the technical field of baking equipment. The baking equipment comprises a heat-preserving boiler, a heat exchange device and an oven. The heat-preserving boiler comprises a hearth. The hearth is provided with a chimney and a fire grate. The hearth comprises an outer protecting layer, a heat-preserving brick layer and a refractory brick layer. Heat storage bricks are arranged in the hearth. The heat exchange device comprises a heat conduction oil coiler, a heat dissipater, a hot oil output pipe connected between an outlet of the heat conduction oil coiler and the heat dissipater, and a cold oil return pipe connected between an inlet of the heat conduction oil coiler and an outlet of the heat dissipater. Each heat storage brick is prepared by mixing the following raw materials of 25-30% of high bauxite, 20-25% of aluminum silicate, 15-20% of zirconium silicate, 6-10% of high-purity magnesia, 8-11% of silicon nitride, 2-3% of titanium dioxide, 6-10% of silica sol and 4-6% of water. By using a heat storage material with a good heat storing effect and a good heat and vibration resisting property, the baking equipment has the beneficial effects of being simple in structure, high in heat efficiency, stable and uniform in heat supply, durable to use, high in controllability and the like.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of baking equipment, in particular to a baking equipment. [0003] 【Background technique】 [0004] In the field of baking equipment, the existing types of baking equipment on the market are divided into wood-fired or coal-fired ovens, electric heating ovens, steam drying ovens, solar ovens, etc. according to different heat sources. Although steam drying ovens are more advanced and intelligent, and more convenient to use, due to their large one-time investment and high operating costs, wood-burning ovens still occupy a large market space. The wood-fired coal-burning oven generates heat through the combustion of fuel in the boiler, and transfers the heat to the oven through the heat transfer medium to achieve the purpose of baking materials. With the increasingly prominent energy shortage and environmental problems, energy conservation and environmental protection have attracted more and more attentio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B23/02F23B60/00F28D20/00F24H7/00
CPCF23B60/00F24H7/007F26B23/028F28D20/0056Y02E60/14
Inventor 张鲁云
Owner GUANGXI UNIV
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