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VOCs氣體排放均有無組織逸散和有組織固定污染源排放、污染物質(zhì)種類多、濃度變化大、排放時(shí)間不確定等特點(diǎn)。Vocs自動(dòng)監(jiān)測(cè)報(bào)警系統(tǒng)能通過網(wǎng)絡(luò)傳輸方式實(shí)時(shí)獲取VOCs總量及各行業(yè)重點(diǎn)監(jiān)測(cè)因子數(shù)據(jù),并與*主管部門實(shí)時(shí)在線聯(lián)網(wǎng),實(shí)現(xiàn)vocs總量減排實(shí)時(shí)監(jiān)控及排污收費(fèi)等功能。
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系統(tǒng)由PID原理的VOCs檢測(cè)儀,氣體采樣、粉塵分離、氣體預(yù)處理系統(tǒng),聯(lián)動(dòng)控制、數(shù)據(jù)采集、上傳*平臺(tái)等功能組成。
光離子化檢測(cè)器 (photo ionization detector)PID
光離子原理(PID)是使用紫外燈作為光源,使空氣中有機(jī)物和部分無機(jī)物電離,但空氣中的基本成分N2、O2、H2O、CO、CH4等不被電離。電離產(chǎn)生的電子和帶正電的離子在電場(chǎng)作用下,形成微弱電流,通過檢測(cè)電流強(qiáng)度來反映該物質(zhì)的含量。
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本系統(tǒng)可與各地環(huán)保管理部門平臺(tái)進(jìn)行系統(tǒng)聯(lián)網(wǎng),支持根據(jù)各地*的標(biāo)準(zhǔn)進(jìn)行訂制開發(fā)。
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