Hot-air furnace combined by combustion chamber and dustproof multi-stage heat exchanger with burning-resistant device

A hot blast stove and combustion chamber technology, applied in heating devices, lighting and heating equipment, dry gas arrangement, etc., can solve the problems of short life, undurable, unscientific, etc., achieve fast shutdown, low operation and maintenance costs, Automatically controls simple effects

Inactive Publication Date: 2006-07-12
南宁红枫王淀粉设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

How to ensure the safe and long-term use of this heating body (furnace) is the most critical technical problem at present. At the same time, burning fire outside the tube and exchanging heat inside

Method used

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  • Hot-air furnace combined by combustion chamber and dustproof multi-stage heat exchanger with burning-resistant device
  • Hot-air furnace combined by combustion chamber and dustproof multi-stage heat exchanger with burning-resistant device
  • Hot-air furnace combined by combustion chamber and dustproof multi-stage heat exchanger with burning-resistant device

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Experimental program
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Example Embodiment

[0027] The hot blast stove is composed of two parts: The first part is the combustion chamber (burner head). The combustion chamber is made into a combustion chamber with high heat insulation according to the fuel provided. This part is to burn the fuel into high temperature flue gas (500℃~ 1000°C) supply the second part of the heat exchanger assembly. The second part of the heat exchanger assembly converts the burning high-temperature flue gas into 150℃~350℃ hot air through heat exchange, which can be directly mixed and replaced with dried materials for drying. This heat exchanger has undergone innovation and transformation, tube heat exchange, high-temperature flue gas in the tube, burn-resistant device, long practical life, multi-stage dust removal, and smoke exhaust. The flue gas can fully meet the emission requirements by simple treatment, and there are multiple safety The ventilation door ensures the safety of the heat exchanger during power failure. After replacement, the t...

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Abstract

The invention relates to a combined wind heater with an anti-burn device and the functions of multi-step heat exchange and de-dust, which is formed by a burning room and a heat exchange. The heat exchanger comprises a horizontal multi-step heat exchange, whose tubes are vertically downwards arranged, and the tube plane at the upper end of first heat exchanger has an anti-burn anti-corrosion device; a safety gate is arranged at the front of heat exchanger integration; the cold wind via the fan from the tail to first heat exchanger is transformed into horizontal hot wind; the high-temperature smoke via the first heat exchanger from up-to-down and via the multi-step heat exchanger pip is discharged via wind outlet. The invention can save 65% coal energy than steam boiler and save 30% coal energy than the heat conductive oil furnace, while it has lower maintenance cost, quick temperature increase, quick stop, and automatic control, while its temperature adjusting range is between 100-350Deg. C and the recycle rate of hot wind is between 85-95%.

Description

technical field [0001] The invention relates to a hot blast stove equipment, in particular to a hot blast stove suitable for drying various products with hot air and matched with various drying equipment. Background technique [0002] In various industrial and agricultural productions, as long as hot air is used for drying, the main sources of hot air used are mostly steam boilers and heat-conducting oil boilers, which provide hot air through indirect heat exchange through radiators. This type of indirect heat exchange boiler has low efficiency, complexity, and high technical safety content. Another energy-saving and convenient way is to use gas, coal, waste wood, etc. to burn directly in the heat exchange body, and the air is replaced by hot air in the heat transfer tube to supply the drying equipment. How to ensure the safe and long-term use of this heating body (furnace) is the most critical technical problem at present. At the same time, burning fire outside the tube an...

Claims

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Application Information

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IPC IPC(8): F26B21/00F26B23/00
Inventor 李开发王卫明
Owner 南宁红枫王淀粉设备有限公司
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