东莞市东锅热能设备有限公司 Dongguan Dongguo thermal equipment Co., Ltd 固 话:0769-22652525 传 真:0769-22601715转204 销售经理:李13712505268(微信同步) 业务经理:谬18002810283(微信同步) 产品技术人员:13726489486 邮 箱: hyx@dgboiler.com; 地 址:东城周屋工业区银珠路13号 ..
在立式dgboiler.com/" title="dgboiler">dgboiler.com/" title="dgboiler.com/" title="dgboiler">dgboiler">dgboiler.com/" title="dgboiler">dgboiler.com/" title="dgboiler.com/" title="dgboiler">dgboiler.com/" title="dgboiler.com/" title="dgboiler">dgboiler">dgboiler.com/" title="dgboiler">dgboiler">dgboiler.com/" title="dgboiler">dgboiler.com/" title="dgboiler.com/" title="dgboiler">dgboiler">dgboiler.com/" title="dgboiler">dgboiler.com">蒸汽锅炉产生蒸汽并升温升压过程中,气泡存在着沿壁厚的温差及上下壁面间的温差,在内壁温度高于外壁温度,上部壁面温度高于下部情况时,为了防止产生过大的热应力,一定要对立式蒸汽锅炉进行缓慢升压。而立式蒸汽锅炉在进行点火升压过程中,立式蒸汽锅炉的蒸汽参数,水位以及各部件的工作状况也是在不断变化。所以,为了能够有效的防止异常情况以及其他危险事故的发生,一定要安排专业的工作人员,严密监视立式蒸汽锅炉各种仪表指示的变化。 由于立式蒸汽锅炉内的水温度不断升高,气泡和蒸发受热面的金属壁温也开始随时升高,需要注意热膨胀和热应力的温度,由于气泡的壁厚比较厚,在立式蒸汽锅炉升温过程中的主要的问题是热应力。同时,还要考虑其整体的热膨胀问题,尤其是对于立式蒸汽锅炉受热面的管子,因为壁厚薄、长度长,在升温过程中的问题是整体对的热膨胀,同时也要注意其热应力,防止因忽视而引发故障。
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