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厂家提醒如果发现热风炉出现这样问题要怎么操作

人气:56 评论:0 日期:2019-08-14 17:22:41
我们经过长时间的热风炉生产实践,已经认识到,唯有运用热风作为介质还有载体这样才可以很好地提升热利用率还有热工作效果。下面热风炉厂家来具体介绍下热风炉出现下面几种问题需要我们重视。在这时候热风炉熄灭室还有上部炉的床蓄热都是有限的,停止烧焖炉之后熄灭室的温度会降落非常快,需要我们多次烧炉。 影响燃气热风炉的采暖质量的原因你知道吗? 燃气热风炉是替代燃煤热风炉运用的一种清洁采暖设备,在日子中运用广泛,主要的功用是提供日子热水。燃气热风炉具有防冻、防干烧维护一起还具有了温度过高时的主动调理、意外熄火的维护等等,为我们的安全做足了功夫。… 燃气热风炉和燃煤热风炉使用成本分析 燃天然气热风炉和燃煤蒸气热风炉哪一个有着更好性价比更高,更划算?使用过燃气蒸气热风炉和燃煤蒸气热风炉的客户会知道平日燃煤热风炉热效率只要75%阁下,而燃气热风炉热效率在95%阁下,假如用发生蒸汽量打算,燃煤热… 天然气热风炉厂家教你三招轻松挑选热风炉 天然气热风炉运用范围大,在现在温度调理市场上也占有了一席之地。为了习惯不同的环境也出产了许多不同系列的产品,虽然更贴合作业提高了作业效率但是在挑选的进程中就困难重重了。下面天然气热风炉厂家教你三招轻松挑…

我们经过长时间的生产实践,已经认识到,唯有运用热风作为介质还有载体这样才可以很好地提升热利用率还有热工作效果。下面厂家来具体介绍下出现下面几种问题需要我们重视。在这时候熄灭室还有上部炉的床蓄热都是有限的,停止烧焖炉之后熄灭室的温度会降落非常快,需要我们多次烧炉。
After a long time of production practice, we have realized that only by using hot air as medium and carrier, can we improve the heat utilization rate and thermal work effect. The following hot-blast stove manufacturers to specifically introduce the following hot-blast stove problems need our attention. At this time, the hot blast stove extinguishing chamber and the bed heat storage of the upper stove are limited. After stopping burning, the temperature of the extinguishing chamber will drop very quickly, which requires us to burn the stove many times. 一、熄灭室及上部炉床蓄热效果差
1. Poor heat storage effect of quenching chamber and upper hearth of hot blast stove

基本上表现为烧炉的时候熄灭室升温较慢,在熄灭室温度达到1200℃的时候烟道温度就会比较高,不能够继续烧炉,要不然如果烟道温度超标并且会浪费大量燃料。在这时候热风炉熄灭室还有上部炉的床蓄热都是有限的,停止烧焖炉之后熄灭室的温度会降落非常快,需要我们多次烧炉。
Basically, the extinguishing chamber temperature rises slowly when the furnace is burned, and the flue temperature will be higher when the extinguishing chamber temperature reaches 1200 C. It can not continue to burn the furnace. Otherwise, if the flue temperature exceeds the standard, it will waste a lot of fuel. At this time, the hot blast stove extinguishing chamber and the bed heat storage of the upper stove are limited. After stopping burning, the temperature of the extinguishing chamber will drop very quickly, which requires us to burn the stove many times.


二、炉床温度散布极不平均,转换区温渡过低,该区域硅砖炉墙及硅砖炉床易损坏转换区是指硅砖炉床向高铝砖炉床的过渡区域
2. The temperature distribution of the furnace bed is extremely uneven, and the temperature of the conversion zone is too low. The easily damaged conversion zone of the silica brick wall and the silica brick bed in this area refers to the transition zone from the silica brick furnace bed to the high alumina brick furnace bed.

热风炉保温时只能小负荷烧炉,大负荷烧炉将形成烟道温度失控。液化石油气小负荷烧炉时的烟气量很小,热烟气沿热风炉中心轴自上部熄灭器快速抵达炉床,难以完成全炉床掩盖,形成炉床中心局部温度较高,而靠近炉墙局部升温艰难,长时间保温过程中转换区靠近炉墙部位温度持续降落,以至降低到600℃以下。570~600℃是硅砖的相变温度区间,温度低于这一温度将损坏硅砖。当高炉复产第一次送风后,热风炉转换区靠近炉墙部位将降至更低温度。煤气正常后将大负荷烧炉,这时转换区靠近炉墙部位又将自550℃左右急剧升温,这是硅砖炉床及硅砖炉墙最忌讳的情况。这将极有可能形成硅砖损坏,从而影响热风炉炉床的透气性或形成炉墙的构造性毁坏。
Hot blast stove can only be burned under small load when it is kept warm, and the flue temperature will be out of control when it is burned under large load. Liquefied petroleum gas (LPG) low-load burner has a very small amount of flue gas. Hot flue gas quickly reaches the hearth along the central axis of the hot blast stove from the top extinguisher. It is difficult to cover up the whole hearth, resulting in a higher local temperature in the hearth, while it is difficult to raise the local temperature near the hearth wall. During a long time of heat preservation, the temperature in the transition zone near the hearth wall keeps falling. So that it can be reduced to below 600 C. The temperature range of 570 ~ 600 C is the phase transition temperature range of silicon brick. If the temperature is lower than this temperature, the silicon brick will be damaged. When the blast furnace returns to production for the first time, the temperature of the converting zone near the furnace wall will drop to a lower level. When the gas is normal, the furnace will be burned with heavy load. At this time, the temperature of the conversion zone near the furnace wall will rise sharply from 550 C. This is the most taboo situation of the silica brick bed and the silica brick wall. It is very likely that silica brick will be damaged, which will affect the permeability of hot blast stove hearth or the structural destruction of furnace wall.

三、燃料耗费过大,保温本钱较高
3. Excessive fuel consumption and high cost of heat preservation

由于热风炉熄灭器是基于高炉煤气的理化参数设计的,熄灭器的构造无法改动,改用液化石油气保温烧炉时的熄灭工况很难分配到比拟理想的状态。这是形成热风炉蓄热情况不佳、温度散布不平均的主要缘由。为了保证热风炉的根本温度,需求频繁烧炉,糜费燃料。由于熄灭情况不理想,容易形成不完整熄灭,也形成燃料糜费及平安隐患。
Because the hot blast stove extinguisher is designed based on the physical and chemical parameters of blast furnace gas, the structure of the extinguisher can not be changed. It is difficult to assign the extinguishing condition to a comparatively ideal state when the LPG thermal insulation furnace is used instead. This is the main reason for the poor heat storage and uneven temperature distribution of hot blast stoves. In order to ensure the basic temperature of hot stove, it is necessary to burn stove frequently and waste fuel. Due to the unsatisfactory extinguishing conditions, it is easy to form incomplete extinguishing, fuel wastage and potential safety hazards.

四、由于不完整熄灭可能形成炉床中部温渡过高
4. Excessive high temperature in the middle of the hearth due to incomplete extinguishing

因为温度散布的不均匀,热风炉的中心位置温度会较高,温度计所在的炉墙部位温度会偏低,中心区域的温度是高于熄灭室的温度计测定温度。液化石油气热值非常高,而且是高炉煤气的35倍,在出现不完整熄灭工作的时候,因此就会出现热风炉中心区域的温度达到1500℃以上,并且熄灭室的温度计无法测出。
Because of the uneven distribution of temperature, the temperature of the central position of the hot blast stove will be higher, the temperature of the furnace wall where the thermometer is located will be lower, and the temperature of the central area is higher than that measured by the thermometer in the quenching chamber. The calorific value of liquefied petroleum gas (LPG) is very high, and it is 35 times higher than blast furnace gas. When incomplete extinguishing occurs, the temperature in the central area of hot blast stove will reach above 1500 C, and the thermometer of extinguishing chamber can not be measured.

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