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RTO可燃氣LEL在線監測系統 PIR 7000
ZONE >? 針對于VOCs治理行業中的RTO前端應用
? 超快的響應時間超長的壽命及穩定性
? 較少的維護和保養
? 針對印刷包裝和油漆油墨及涂裝行業的特別優化
? 針對不同項目工況需要可以進行非標優化
有機廢氣處理 RTO/RCO 設備等領域——入口管道有機廢氣 LEL 防爆濃度快速檢測 
 
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對于工業生產過程產生的大量有機廢氣 VOC,目前 VOC 治理行業的主流技術是將廢氣/尾氣集中起來, 再用 RTO(蓄熱式熱力焚化爐)/GRTO(蓄熱式熱氧化爐)/RCO(蓄熱式催化燃燒爐)設備進行處理。 以 RTO 技術為例,關于 RTO 配套的控制手段,每個廠家都各有所長。通常存在的最大問題是廢氣濃度 異常控制。廢氣濃度異常是指有機廢氣濃度偏離 RTO 正常運行需要,尤其是廢氣濃度偏高很容易帶來安全 風險,所以,有機廢氣 VOC 進入 RTO 設備之前需進行濃度檢測:①如果廢氣中可燃性氣體濃度過高(運行 要求一般不能超過 25%LEL),LEL 濃度過高存在著火爆炸的風險,需配比新鮮空氣進行稀釋后再進入 RTO 進行氧化反應生成二氧化碳和水;②如果 LEL 濃度過低,則需要補充燃料。 一些 RTO 廠家采取有機廢氣總管恒壓(廢氣總管負壓情況與引風機變頻器進行連鎖)以恒定有機廢氣 流速,但是,這并未能解決機有機廢氣濃度波動問題。而另一些 RTO 廠家采用在有機廢氣濃度較高時增加 新風稀釋的方法,此方法的關鍵問題是如何及時并且準確地檢測有機廢氣濃度,從而確定稀釋風與廢氣的 比例。而如何及時并且準確地測定有機廢氣濃度并反饋到控制系統中,這就對有機廢氣 LEL 防爆濃度在線 監測儀器系統要求很高,而我們上海智昂在這個專業領域里技術創新強應用經驗多。 還有一些 RTO、GRTO、RCO 入口進氣管道內的有機廢氣 VOC 濃度波動很大而且很快,就需要 LEL 防爆 濃度在線監測儀器系統能夠極速響應,幾秒內就可以檢測出來,快速預警安全風險
在線可燃氣監測系統(LEL)由取樣子系統、預處理子系統、可燃氣監測子系統和數據采集處理與報警子系統組成,煙氣經預處理系統凈化,再進入檢測器進行測量分析,經過分析后得到測量濃度,再經數據處理上傳至工控電腦與企業DCS。

可燃氣(如VOCs等)采用雙紅外寬頻可燃氣體探測器進行檢測,響應時間快,檢測靈敏度高,測量精準,提供可靠濃度數據。
監測系統自帶超限報警功能,及時通知值班人員,為RTO等設備運行提供安全保障。

技術指標
1、設備名稱:在線可燃氣監測系統(LEL)
2、型號:德爾格PIR 7000
3、監測因子:有機可燃氣,包括VOCs等
4、監測原理:紅外(IR)原理
5、系統組成 :取樣子系統、預處理子系統、可燃氣監測子系統、數據采集處理與報警子系統
6、檢測器:雙紅外寬頻可燃氣體探測器
7、量程 :0~100%LEL
8、響應時間 :T90 <4 secs
9、漂移/重復性:±1%
10、精確度:±1%
11、防護等級:機柜IP42,其他IP65
12、供電:220V,2000W
13、工作環境:-40℃~+70℃,0~95%RH(不結露)
14、通訊
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