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使用工業鍋爐(lú)生產時需要注意(yì)什麽

2018-03-07 05:43:59 PM

  工業鍋爐產(chǎn)品重(chóng)要分(fèn)為兩種,一種是(shì)蒸汽,主要是用於(yú)發電的,一種是供電的(de),以煤為原料,這(zhè)就是比(bǐ)較常見的工業鍋爐類(lèi)型。具體使用工業鍋(guō)爐生產時需(xū)要注意什(shí)麽呢?下麵就為大家做詳細的介紹。

  鍋(guō)爐生產時需要降低鍋爐排煙溫度,因為鍋爐排煙(yān)是熱損失的一(yī)項,排煙量的大小主要取決於排煙溫度的(de)高低,所以降(jiàng)低排煙溫度是提高鍋爐熱效率的重要一項措施。在使用過程中要避免熱麵(miàn)上有結渣(zhā)或者積灰的情況,

  如果遇到灰(huī)塵比較多,需要定期吹灰,對於鬆散的(de)積灰可定期用吹灰的方法清除,如果(guǒ)附著在管子上的時間比較(jiào)長,就會(huì)變得越來越厚。因為積灰會生產粘結性的硫酸鹽和亞(yà)硫酸鹽等(děng),時(shí)間長了不容易清洗,吹灰的(de)介質可以選擇過(guò)熱蒸汽、壓縮空氣(qì)和惰性氣體等。

  另外還要投(tóu)入(rù)一定量的鍋爐清灰劑,鍋爐在燃燒運行時需要投入一定量的清灰劑,進入爐膛之後會生化分(fèn)解,爐受熱麵的結焦、結渣接觸並滲透到受熱麵,發生微爆反應分解高溫結渣,使其(qí)分解、脫落,可減少和(hé)防止煙垢的生成。

  工業鍋爐生產中(zhōng)要增加(jiā)或(huò)者改進尾麵(miàn)受熱麵,因此要增加鍋爐的金屬耗量(liàng)和(hé)煙氣的流動阻力,遇到含硫高(gāo)的燃料時(shí),排煙的溫度要保持高一些。合理的(de)排煙溫度須(xū)從金屬與燃(rán)料的比價,運行維修費用(yòng)的增加等方麵進行技術經濟(jì)比較來確(què)定。

  Industrial boiler products are mainly divided into two types, one is steam, which is mainly used for power generation, the other is power supply, using coal as raw material, which is a relatively common industrial boiler type. What should I pay attention to when using the industrial boiler? Here's a detailed introduction for everyone.

  Boiler production needs to reduce the boiler exhaust temperature, because the boiler exhaust heat is the largest one, the amount of exhaust depends mainly on the level of exhaust gas temperature, so reducing the exhaust gas temperature is to improve the thermal efficiency of the boiler an important measure . In the use of the process to avoid slag or dust on the hot surface,

  If you encounter more dust, the need for regular soot, for loose dust can be regularly used soot removal method, if attached to the pipe for a long time, it will become thicker and thicker. Since dust deposits produce cohesive sulphates and sulfites, it is not easy to clean for a long time, and soot blowing media can be selected from superheated steam, compressed air and inert gas.

  In addition, a certain amount of boiler cleaning agent needs to be put into operation. When the boiler is operating in combustion mode, a certain amount of cleaning agent needs to be put into the furnace. After entering the furnace, it will be biochemically decomposed, and the coking and slagging of the heating surface of the furnace come into contact with and infiltrate the heated surface. The explosive reaction decomposes the high-temperature slag to make it decompose and fall off, which can reduce and prevent the formation of soot.

  Industrial boiler production to increase or improve the heating surface at the end, so to increase the boiler metal consumption and flue gas flow resistance, met the high sulfur fuel, the exhaust gas temperature to be kept higher. Reasonable exhaust gas temperature must be determined from the technical and economic comparison between the ratio of metal to fuel and the increase of operating and maintenance costs.


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