【摘要】：在鍋爐風(fēng)煙系統(tǒng)中,大多數(shù)差壓測(cè)量均無(wú)需對(duì)取壓管路空氣柱靜差壓進(jìn)行補(bǔ)償,但在測(cè)量風(fēng)箱-爐膛差壓時(shí),變送器兩側(cè)取壓點(diǎn)在垂直方向上跨越的距離較大,取壓管內(nèi)空氣柱靜差壓與實(shí)際測(cè)量差壓數(shù)量級(jí)相同,因此,必須對(duì)測(cè)量結(jié)果進(jìn)行補(bǔ)償。但是,目前的風(fēng)箱爐膛差壓測(cè)量系統(tǒng)均未引入空氣柱靜差壓的補(bǔ)償,從而導(dǎo)致該差壓的表盤(pán)顯示值比設(shè)計(jì)值偏低較多,使運(yùn)行人員誤認(rèn)為未能建立起正常的風(fēng)箱爐膛差壓,而采取錯(cuò)誤的運(yùn)行操作措施。建議盡快引入風(fēng)箱爐膛差壓的補(bǔ)償計(jì)算,以便為運(yùn)行人員提供準(zhǔn)確的監(jiān)控信息。
[Abstract]:In the boiler air smoke system, most differential pressure measurements do not need to compensate the static differential pressure of the air column in the pipeline, but when measuring the differential pressure between the bellows and the furnace, the pressure points on both sides of the transmitter span a large distance in the vertical direction. The static differential pressure of the air column in the pressure pipe is the same as the actual measured differential pressure, so the measurement results must be compensated. However, none of the current bellows furnace differential pressure measurement systems have introduced the compensation of the static differential pressure of the air column, which leads to the fact that the dial display value of the differential pressure is much lower than the designed value, which makes the operator mistake that the normal differential pressure of the bellows furnace can not be established. Take the wrong operation measures. It is suggested that compensation calculation of bellows furnace differential pressure should be introduced as soon as possible in order to provide accurate monitoring information for operators.
【作者單位】： 國(guó)網(wǎng)山東省電力公司電力科學(xué)研究院;國(guó)電石橫發(fā)電有限公司;
【分類號(hào)】：TK223

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本文編號(hào)：2293634