Energy-saving environment-friendly baking equipment

A technology for baking equipment, energy saving and environmental protection, 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 efficiency, stable temperature, and guaranteed heat The effect of the supply

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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  • Energy-saving environment-friendly baking equipment
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  • Energy-saving environment-friendly baking equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A heat storage brick used in a heat storage heat preservation boiler is made by mixing the following raw materials according to the weight ratio: high alumina 25kg, aluminum silicate 25kg, zirconium phosphate 20kg, boron carbide 10kg, silicon nitride 8kg, Titanium dioxide 2kg, magnesia clay 6kg, water 4kg. Among them, the particle size of the high alumina is required to be 0.1-1mm, and the content of aluminum oxide in the high alumina is more than 65%.

[0037] The above-mentioned heat storage brick is made by the following method: prepare raw materials according to the weight ratio; mix high alumina, aluminum silicate, zirconium phosphate, boron carbide, silicon nitride, and titanium dioxide evenly to form a premix; mix water, magnesium The clay is mixed evenly and then added to the premix. After mixing evenly, it is pressed under a pressure of 1.5Mpa. After drying at 120°C for 24 hours, it is placed in a high-temperature kiln and sintered at 1200-1300°C. The sintering...

Embodiment 2

[0039] A heat storage brick used in a heat storage heat preservation boiler is made by mixing the following raw materials according to the weight ratio: high alumina 30kg, aluminum silicate 20kg, zirconium phosphate 15kg, boron carbide 6kg, silicon nitride 9kg, Titanium dioxide 3kg, magnesia clay 10kg, water 6kg. Among them, the particle size of the high alumina is required to be 0.1-1mm, and the content of aluminum oxide in the high alumina is more than 65%.

[0040] The above-mentioned heat storage brick is made by the following method: prepare raw materials according to the weight ratio; mix high alumina, aluminum silicate, zirconium phosphate, boron carbide, silicon nitride, and titanium dioxide evenly to form a premix; mix water, magnesium The clay is mixed evenly and then added to the premix. After mixing evenly, it is pressed under a pressure of 1.8Mpa. After drying at 150°C for 20 hours, it is placed in a high-temperature kiln and sintered at 1200-1300°C. The sintering...

Embodiment 3

[0042] A heat storage brick used in a heat storage heat preservation boiler is made by mixing the following raw materials according to the weight ratio: high alumina 28kg, aluminum silicate 22kg, zirconium phosphate 16kg, boron carbide 8kg, silicon nitride 11kg, Titanium dioxide 3kg, magnesia clay 7kg, water 5kg. Among them, the particle size of the high alumina is required to be 0.1-1mm, and the content of aluminum oxide in the high alumina is more than 65%.

[0043] The above-mentioned heat storage brick is made by the following method: prepare raw materials according to the weight ratio; mix high alumina, aluminum silicate, zirconium phosphate, boron carbide, silicon nitride, and titanium dioxide evenly to form a premix; mix water, magnesium The clay is mixed evenly and then added to the premix. After mixing evenly, it is pressed under a pressure of 1.6Mpa. After drying at 130°C for 22 hours, it is placed in a high-temperature kiln and sintered at 1200-1300°C. The sintering...

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Abstract

The invention provides energy-saving environment-friendly baking equipment and belongs to the technical field of baking equipment. The energy-saving environment-friendly baking equipment comprises a heat-preserving boiler, a heat exchange device and an oven. The heat-preserving boiler comprises a hearth which is provided with a chimney and a fire grate. Heat storage bricks are arranged in the hearth. The heat-preserving boiler further comprises a temperature control system used for detecting temperature in the hearth and controlling boiler fire, and a waste heat recovery device used for recovering waste heat. The heat exchange device comprises a heat conducting oil coiler, a heat dissipater, a hot oil output pipe, a cold oil return pipe and a circulating oil pump. Each heat storage brick is manufactured by mixing the following raw materials of 25-30% of high bauxite, 20-25% of aluminum silicate, 15-20% of zirconium phosphate, 6-10% of boron carbide, 8-11% of silicon nitride, 2-3% of titanium dioxide, 6-10% of magnesite clay 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, capable of fully recovering energy, high in controllability and the like.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of baking equipment, in particular to an energy-saving and environment-friendly 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 protecti...

Claims

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Application Information

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IPC IPC(8): F26B23/02F23B60/00F28D20/00F23N1/02F24H7/00F23J15/08
CPCF23B60/00F23J15/08F23N1/02F24H7/007F26B23/028F28D20/0056Y02E60/14Y02P70/10
Inventor 张鲁云
Owner GUANGXI UNIV
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