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A kind of SIC ceramic coil hot air stove and preparation method thereof

A ceramic plate, hot blast stove technology, applied in lighting and heating equipment, air heaters, fluid heaters, etc., can solve the problems of mechanical performance limitation, waste, lowering product grades, etc., to improve product quality and high heat utilization rate , the effect of product level improvement

Active Publication Date: 2018-07-06
翟延军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The drying process of industry, pharmacy, food, tea, grain and other industries mostly use metal hot blast stoves, such as stainless steel, heat-resistant steel and other metal hot blast stoves. Due to the mechanical performance limitations of metal hot blast stoves, they cannot directly contact high-temperature flames, otherwise It will burn out quickly, or the life is very short. If it is burned indirectly, the energy will be wasted by 35-50% or more. More importantly, the metal will produce odor, discoloration, deterioration, etc., which will reduce the product grade and affect the profit of the enterprise. , to solve high-temperature hot air, in many industries need a hot air stove with a temperature as high as 1000-1200 ℃, metal materials can not be realized, only ceramic coil hot air stove can achieve
[0003] Therefore, conventional hot blast stoves can no longer meet the development requirements of technological development and energy saving and environmental protection. Energy hot blast stove to replace heat storage balls, heat storage bricks and other switchable hot blast stoves and metal stainless steel, heat-resistant steel traditional hot blast stoves

Method used

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  • A kind of SIC ceramic coil hot air stove and preparation method thereof
  • A kind of SIC ceramic coil hot air stove and preparation method thereof
  • A kind of SIC ceramic coil hot air stove and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The SiC ceramic coil hot blast stove of the present embodiment is as Figure 1 to Figure 2 As shown, including the furnace body 1 and the ceramic coil tube 2 arranged in the furnace body, the ceramic coil tube is made of the following raw materials in weight percentage: 35% of 1000-mesh SiC micropowder and 44% of SiC particles of 0-1mm, purple wood knot 8 %, microsilica powder 5%, Suzhou white clay 3%, binder 1%, and the balance is water; the binder is a composite binder made of silica sol and water with a mass ratio of 1:1; the granular silica powder The diameter is 1000 mesh.

[0029] The upper side of the furnace body of the SiC ceramic coil hot blast stove in this embodiment is provided with an air inlet 11, and the side of the lower end of the furnace body 1 is provided with an air outlet 12, and both the air inlet and the air outlet are arranged on the same side of the furnace body in the horizontal direction . The furnace body 1 is provided with a combustion ch...

Embodiment 2

[0035] The SiC ceramic coil hot blast furnace of the present embodiment comprises a furnace body and a ceramic coil arranged in the furnace body, the ceramic coil is made of the following raw materials in weight percentage: 1000 mesh SiC micropowder 37% and 0-1mm SiC particles 50 %, purple wood knot 5%, silica powder 3%, Suzhou clay 2%, binder 1.2%, and the balance is water; the binder is composed of water and silica sol with a mass ratio of 1:1; the particle size of silica powder The diameter is 1000 mesh.

[0036] The SiC ceramic coil hot blast stove in this embodiment has an air inlet on the upper side of the furnace body, and an air outlet on the lower side of the furnace body, and both the air inlet and the air outlet are arranged on the same side of the furnace body in the horizontal direction. The furnace body is provided with a combustion chamber, and the above-mentioned ceramic coil is arranged in the combustion chamber. The ceramic coil is a spiral cylindrical struct...

Embodiment 3

[0042] The SiC ceramic coil hot blast stove of the present embodiment is as image 3 As shown, it includes a furnace body 1 and a ceramic coil 2 arranged in the furnace body. The ceramic coil is made of the following raw materials in weight percentage: 40% of 1000-mesh SiC micropowder and 42% of 0-1mm SiC particles. 7%, microsilica powder 4%, Suzhou white clay 3%, binder 1.5%, and water as the balance; the binder is composed of water and silica gel with a mass ratio of 1:1; the particle size of silica micropowder is 1000 mesh.

[0043] The SiC ceramic coil hot air stove of this embodiment is provided with an air inlet 11 on the upper side of the furnace body, and an air outlet 12 on the lower side of the furnace body, and both the air inlet and the air outlet are arranged on the same side of the furnace body. The above-mentioned ceramic coil is arranged in the furnace body. The ceramic coil is a spiral cylindrical structure, that is, the ceramic coil surrounds a roughly cylind...

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Abstract

The invention relates to an SiC ceramic coil pipe hot blast stove and a preparing method thereof, and belongs to the technical field of hot blast stoves. The SiC ceramic coil pipe hot blast stove comprises a stove body and a ceramic coil pipe arranged in the stove body; the ceramic coil pipe is made of raw materials including, by weight percent, 79 to 87% of SiC, 5 to 8% of knar clay, 3 to 5% of silica powder, 2 to 3% of Soochow white mud and 1 to 1.5% of a bonding agent. The SiC ceramic coil pipe hot blast stove is quite high in thermal conductivity, due to the high heat utilization, silicon carbide rods, Si-Mo rods and electric stove wires are used for heating, natural gas, liquified gas, plant fuel, coal and other fuel can be used for burning for heating, the ceramic coil pipe is good in corrosion-resisting performance, when the hot blast stove is used, chemical waste and the like can be used as fuel, and environment friendliness is quite facilitated. The ceramic coil pipe can be directly heated through flames, the temperature of the exchanged hot air ranges from 200 DEG C to 1200 DEG C, and the hot blast stove can be consistent and has no large fluctuation.

Description

technical field [0001] The invention relates to a SiC ceramic coil hot blast stove and a preparation method thereof, belonging to the technical field of hot blast stoves. Background technique [0002] The drying process of industry, pharmacy, food, tea, grain and other industries mostly use metal hot blast stoves, such as stainless steel, heat-resistant steel and other metal hot blast stoves. Due to the mechanical performance limitations of metal hot blast stoves, they cannot directly contact high-temperature flames, otherwise It will burn out quickly, or the life is very short. If it is burned indirectly, the energy will be wasted by 35-50% or more. More importantly, the metal will produce odor, discoloration, deterioration, etc., which will reduce the product grade and affect the profit of the enterprise. , To solve high-temperature hot air, in many industries, hot air stoves with a higher temperature of 1000-1200 ℃ are required, which cannot be realized with metal materia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H3/00F24H9/18
CPCF24H3/002F24H9/1863
Inventor 翟延军
Owner 翟延军
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