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环亚app热风炉工作原理及燃烧方式

通过长时间的生产实践,人们已经认识到,只有利用热风作为介质和载体才能更大地提高热利用率和热工作效果。传统电热源和蒸汽热动力在输送过程中往往配置多台循环,使之最终还是间接形成热风进行烘干或供暖操作。这种过程显然存在大量浪费能源及造成附属设备过多、工艺过程复杂等诸多缺点。而更大的问题是,这种热源对于那种需要较高温度干燥或烘烤作业的要求,则束手无策。针对这些实际问题经过多年潜心研究,荣华公司终于研制出深受国内外用户欢迎的用碳化硅做的环亚app

Through long-term production practice, it has been recognized that only using hot air as medium and carrier can the thermal efficiency and thermal work effect be improved greatly. Traditional electric heat source and steam heat power are often equipped with multiple circulating fans in the process of conveying, which eventually form hot air for drying or heating operation indirectly. Obviously, there are many shortcomings in this process, such as a large amount of waste of energy, excessive accessory equipment, complex process and so on. The bigger problem is that this heat source is at a loss for the requirement of drying or baking at higher temperatures. In view of these practical problems, after years of intensive research, Ronghua Company has finally developed a gas-fired hot stove made of silicon carbide, which is well received by domestic and foreign users.

用碳化硅做的环亚app是一种新型的列管式高温热能回收装置,可以广泛用于冶金、机械、建材、化工等行业,直接回收各种工业窑炉排放的850-1400℃高温烟气余热,以获得高温助燃空气或工艺气体。研制成的这种装置的换热元件材料系一种新型碳化硅工程陶瓷,它具有耐高温和抗热冲击的优异性能,从1000℃风冷至室温,反复50次以上不出现裂纹;导热系数与不锈钢等同;在氧化性和酸性介质中具有良好的耐蚀性。在结构上成功地解决了热补偿和较好地解决了气体密封问题。该装置传热效率高,节能效果显著,用以预热助燃空气或加热某些过程的工艺气体,可节约一次性能源,燃料节约率可达30 %以上,并可强化工艺过程,显著提高生产能力。

The gas hot blast stove made of silicon carbide is a new type of tubular high-temperature heat recovery device, which can be widely used in metallurgy, machinery, building materials, chemical industry and other industries. It can directly recover the waste heat of high-temperature flue gas from various industrial kilns at 850-1400 C, in order to obtain high-temperature combustion-supporting air or process gas. The heat exchange element material of this device is a new type of silicon carbide engineering ceramics, which has the excellent properties of high temperature resistance and thermal shock resistance. From 1000 C air cooling to room temperature, cracks do not appear more than 50 times, thermal conductivity is the same as stainless steel, and has good corrosion resistance in oxidizing and acidic media. Thermal compensation and gas seal are successfully solved in structure. The device has high heat transfer efficiency and remarkable energy saving effect. It can be used to preheat combustion-supporting air or to heat process gases. It can save disposable energy, save more than 30% of fuel, strengthen process and significantly improve production capacity.

环亚app工作原理

Working Principle of Gas Hot Blast Furnace

1、直接式高净化环亚app

1. Direct High Purification Gas Hot Blast Furnace

直燃直燃

Direct-fired Hot Stove Direct-fired Hot Stove

就是采用燃料直接燃烧,经高净化处理形成热风,而和物料直接接触加热干燥或烘烤。该种方法燃料的消耗量约比用蒸汽式或其他间接加热器减少一半左右。因此,在不影响烘干产品品质的情况下,完全可以使用直接式高净化热风。

It uses direct combustion of fuel to form hot air after high purity treatment, and directly contacts with materials to heat, dry or bake. The fuel consumption of this method is about half that of steam or other indirect heaters. Therefore, without affecting the quality of drying products, direct high purity hot air can be fully used.

燃料为气体燃料,如煤气、天然气、液体气。

Fuels are gas fuels, such as gas, natural gas and liquid gas.

燃料经燃烧反应后得到的高温燃烧气体进一步与外界空气接触,混合到某一温度后直接进入干燥室或烘烤房,与被干燥物料相接触,加热、蒸发水分,从而获得干燥产品。为了利用这些燃料的燃烧反应热,必须增设一套燃料燃烧装置。如:煤气烧嘴

The high-temperature combustion gases obtained by combustion reaction further contact with the outside air, mix to a certain temperature and then directly enter the drying chamber or baking room, contact with the dried materials, heat and evaporate water, so as to obtain the dried products. In order to utilize the reaction heat of combustion of these fuels, a set of fuel combustion devices must be added. For example: gas burner

2、间接式

2. Indirect Gas Hot Blast Furnace

主要适用于被干燥物料不允许被污染,或应用于温度较低的热敏性物料干燥。如:奶粉、制药、合成树脂、精细化工等。此种加热装置,即是将蒸气、导热油、烟道气等做载体,通过多种形式的热交换器来加热空气。

It is mainly suitable for drying materials which are not allowed to be polluted, or for drying heat sensitive materials with lower temperature. Such as: milk powder, pharmaceuticals, synthetic resin, fine chemical industry, etc. The heating device uses steam, heat conducting oil and flue gas as carriers to heat air through various forms of heat exchangers.

间接式的最本质问题就是热交换。热交换面积越大,热转换率越高,的节能效果越好,炉体及换热器的寿命越长。反之,热交换面积的大小也可以从烟气温度上加以识别。烟温越低,热转换率越高,热交换面积就越大。

The most essential problem of indirect hot blast stove is heat exchange. The larger the heat exchange area, the higher the heat transfer rate, the better the energy saving effect of the hot blast stove, and the longer the life of the furnace body and heat exchanger. Conversely, the size of heat exchange area can also be identified from flue gas temperature. The lower the smoke temperature, the higher the heat transfer rate and the larger the heat exchange area.

主要适用于被干燥物料不允许被污染,或应用于温度较低的热敏性物料干燥。如:奶粉、制药、合成树脂、精细化工等。此种加热装置,即是将蒸气、导热油、烟道气等做载体,通过多种形式的热交换器来加热空气。

It is mainly suitable for drying materials which are not allowed to be polluted, or for drying heat sensitive materials with lower temperature. Such as: milk powder, pharmaceuticals, synthetic resin, fine chemical industry, etc. The heating device uses steam, heat conducting oil and flue gas as carriers to heat air through various forms of heat exchangers.

间接式的最本质问题就是热交换。热交换面积越大,热转换率越高,的节能效果越好,炉体及换热器的寿命越长。反之,热交换面积的大小也可以从烟气温度上加以识别。烟温越低,热转换率越高,热交换面积就越大。

The most essential problem of indirect hot blast stove is heat exchange. The larger the heat exchange area, the higher the heat transfer rate, the better the energy saving effect of the hot blast stove, and the longer the life of the furnace body and heat exchanger. Conversely, the size of heat exchange area can also be identified from flue gas temperature. The lower the smoke temperature, the higher the heat transfer rate and the larger the heat exchange area.

就是采用燃料直接燃烧,经高净化处理形成热风,而和物料直接接触加热干燥或烘烤。该种方法燃料的消耗量约比用蒸汽式或其他间接加热器减少一半左右。因此,在不影响烘干产品品质的情况下,完全可以使用直接式高净化热风。

It uses direct combustion of fuel to form hot air after high purity treatment, and directly contacts with materials to heat, dry or bake. The fuel consumption of this method is about half that of steam or other indirect heaters. Therefore, without affecting the quality of drying products, direct high purity hot air can be fully used.


燃料为气体燃料,如煤气、天然气、液体气。

Fuels are gas fuels, such as gas, natural gas and liquid gas.

燃料经燃烧反应后得到的高温燃烧气体进一步与外界空气接触,混合到某一温度后直接进入干燥室或烘烤房,与被干燥物料相接触,加热、蒸发水分,从而获得干燥产品。为了利用这些燃料的燃烧反应热,必须增设一套燃料燃烧装置。如:煤气烧嘴

The high temperature combustion gases obtained from the combustion reaction of fuel further contact with the outside air, mix to a certain temperature and then directly enter the drying chamber or baking room, contact with the dried materials, heat and evaporate water, so as to obtain the dried products. In order to utilize the reaction heat of combustion of these fuels, a set of fuel combustion devices must be added. For example: gas burner


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