通過對HJ212-2017標準與(yu)HJ212-2005標準的(de)(de)學習，以(yi)及現場CEMS數(shu)據(ju)(ju)與(yu)監(jian)控(kong)平(ping)臺(tai)數(shu)據(ju)(ju)的(de)(de)對比(bi)，發現CEMS數(shu)據(ju)(ju)傳輸至監(jian)控(kong)平(ping)臺(tai)及CEMS監(jian)測數(shu)據(ju)(ju)日常使用(yong)中(zhong)存在一些問(wen)題(ti)，以(yi)下結(jie)合(he)實際應用(yong)中(zhong)的(de)(de)問(wen)題(ti)，以(yi)及自己的(de)(de)理解進行(xing)以(yi)下分析(xi)，本(ben)分析(xi)僅做參考，存在不足(zu)之處敬(jing)請指(zhi)正。

    一(yi)、標準(zhun)修(xiu)訂后CEMS、數采(cai)儀及監控平臺未(wei)及時更新，造成(cheng)監測數據(ju)(ju)(ju)不(bu)(bu)一(yi)致；HJ212-2005標準(zhun)明確(que)煙(yan)氣(qi)壓力(li)(li)(li)單(dan)(dan)位(wei)(wei)為(wei)MPa，實際(ji)(ji)現(xian)場CEMS采(cai)用的壓力(li)(li)(li)計量(liang)程不(bu)(bu)超過±10KPa,一(yi)般情況下現(xian)場實際(ji)(ji)壓力(li)(li)(li)測量(liang)數據(ju)(ju)(ju)在(zai)±500Pa以內，測量(liang)的實際(ji)(ji)壓力(li)(li)(li)經單(dan)(dan)位(wei)(wei)換算后傳輸至平臺數據(ju)(ju)(ju)在(zai)±0.0005MPa以內，數據(ju)(ju)(ju)非常(chang)小，不(bu)(bu)便于(yu)展示；HJ212-2017標準(zhun)中將壓力(li)(li)(li)單(dan)(dan)位(wei)(wei)修(xiu)改為(wei)KPa,由于(yu)2017年前(qian)安裝聯網的CEMS單(dan)(dan)位(wei)(wei)為(wei)MPa，設備廠家未(wei)及時將數據(ju)(ju)(ju)轉(zhuan)發(fa)程序或(huo)者數采(cai)儀內單(dan)(dan)位(wei)(wei)進(jin)行更新，造成(cheng)平臺壓力(li)(li)(li)數據(ju)(ju)(ju)與CEMS壓力(li)(li)(li)數據(ju)(ju)(ju)不(bu)(bu)一(yi)致。

HJ/T212-2005

HJ212-2017

    二、由于數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)集頻率(lv)和(he)(he)統(tong)(tong)計(ji)(ji)方式的(de)(de)(de)不(bu)同(tong)，在工況(kuang)變(bian)(bian)化較(jiao)大的(de)(de)(de)場合，易形成CEMS監(jian)測數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)與監(jian)控(kong)平(ping)(ping)臺(tai)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)不(bu)一(yi)致(zhi)；現場CEMS一(yi)般(ban)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)用計(ji)(ji)算(suan)機(ji)(ji)(ji)或工控(kong)機(ji)(ji)(ji)作為(wei)(wei)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)處(chu)理(li)系統(tong)(tong)，實(shi)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)樣(yang)(yang)周期為(wei)(wei)5S，甚(shen)至(zhi)可(ke)以做到(dao)1S,分(fen)(fen)(fen)鐘(zhong)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)根據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)實(shi)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)進(jin)(jin)(jin)行(xing)統(tong)(tong)計(ji)(ji)，樣(yang)(yang)本(ben)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)量為(wei)(wei)12個(ge)，小(xiao)(xiao)(xiao)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)根據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)分(fen)(fen)(fen)鐘(zhong)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)進(jin)(jin)(jin)行(xing)統(tong)(tong)計(ji)(ji)，樣(yang)(yang)本(ben)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)量為(wei)(wei)60個(ge)；CEMS上(shang)位機(ji)(ji)(ji)與數(shu)(shu)(shu)(shu)(shu)(shu)(shu)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)儀數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)交換的(de)(de)(de)最(zui)小(xiao)(xiao)(xiao)周期為(wei)(wei)10-30S，一(yi)般(ban)設置(zhi)為(wei)(wei)30S,即(ji)CEMS上(shang)位機(ji)(ji)(ji)每間(jian)隔30秒收到(dao)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)儀發(fa)(fa)送(song)實(shi)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)的(de)(de)(de)指令，CEMS上(shang)位機(ji)(ji)(ji)查詢實(shi)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)庫中時(shi)(shi)(shi)(shi)間(jian)最(zui)大值（最(zui)近(jin)時(shi)(shi)(shi)(shi)間(jian)）點(dian)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)發(fa)(fa)送(song)至(zhi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)儀，數(shu)(shu)(shu)(shu)(shu)(shu)(shu)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)儀對數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)進(jin)(jin)(jin)行(xing)記錄，每隔5分(fen)(fen)(fen)鐘(zhong)向(xiang)監(jian)控(kong)平(ping)(ping)臺(tai)發(fa)(fa)送(song)一(yi)次實(shi)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)（5分(fen)(fen)(fen)鐘(zhong)內CEMS上(shang)位機(ji)(ji)(ji)發(fa)(fa)送(song)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)的(de)(de)(de)平(ping)(ping)均值）；數(shu)(shu)(shu)(shu)(shu)(shu)(shu)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)儀一(yi)般(ban)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)用嵌入式處(chu)理(li)器進(jin)(jin)(jin)行(xing)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)處(chu)理(li)，由于處(chu)理(li)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)量大且(qie)24小(xiao)(xiao)(xiao)時(shi)(shi)(shi)(shi)不(bu)停運行(xing)，部分(fen)(fen)(fen)性(xing)能較(jiao)差(cha)的(de)(de)(de)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)儀經常出現死(si)機(ji)(ji)(ji)或者掉線情況(kuang)，有(you)效數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)傳輸(shu)率(lv)降(jiang)低；部分(fen)(fen)(fen)廠家為(wei)(wei)降(jiang)低數(shu)(shu)(shu)(shu)(shu)(shu)(shu)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)儀死(si)機(ji)(ji)(ji)的(de)(de)(de)頻率(lv)，采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)用降(jiang)低數(shu)(shu)(shu)(shu)(shu)(shu)(shu)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)儀處(chu)理(li)器計(ji)(ji)算(suan)頻率(lv)，將每隔5分(fen)(fen)(fen)鐘(zhong)發(fa)(fa)送(song)的(de)(de)(de)實(shi)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)改為(wei)(wei)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)儀接(jie)收到(dao)的(de)(de)(de)最(zui)近(jin)CEMS實(shi)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)，小(xiao)(xiao)(xiao)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)用每5分(fen)(fen)(fen)鐘(zhong)記錄的(de)(de)(de)實(shi)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)進(jin)(jin)(jin)行(xing)統(tong)(tong)計(ji)(ji)，小(xiao)(xiao)(xiao)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)的(de)(de)(de)樣(yang)(yang)本(ben)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)為(wei)(wei)12個(ge)，且(qie)為(wei)(wei)CMES上(shang)位機(ji)(ji)(ji)的(de)(de)(de)實(shi)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)；監(jian)控(kong)平(ping)(ping)臺(tai)將數(shu)(shu)(shu)(shu)(shu)(shu)(shu)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)儀發(fa)(fa)送(song)的(de)(de)(de)實(shi)時(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)、分(fen)(fen)(fen)鐘(zhong)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)、日數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)和(he)(he)月數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)解析后進(jin)(jin)(jin)行(xing)存儲展示，平(ping)(ping)臺(tai)不(bu)對監(jian)測數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)進(jin)(jin)(jin)行(xing)任何統(tong)(tong)計(ji)(ji)計(ji)(ji)算(suan)。在工況(kuang)變(bian)(bian)化較(jiao)大的(de)(de)(de)情況(kuang)下，由于CEMS上(shang)位機(ji)(ji)(ji)和(he)(he)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)采(cai)(cai)(cai)(cai)(cai)(cai)(cai)(cai)儀統(tong)(tong)計(ji)(ji)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)樣(yang)(yang)本(ben)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)量的(de)(de)(de)不(bu)同(tong)，造成兩者數(shu)(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)不(bu)一(yi)致(zhi)。

    三(san)、CEMS維護、校(xiao)準(zhun)(zhun)形(xing)(xing)成(cheng)異(yi)常數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)的(de)(de)(de)處理；HJ75-2017中(zhong)指(zhi)出大(da)于15min的(de)(de)(de)維護、校(xiao)準(zhun)(zhun)形(xing)(xing)成(cheng)的(de)(de)(de)數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)為無效數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)，可以(yi)采(cai)用失(shi)效前(qian)180小時(shi)的(de)(de)(de)小時(shi)數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)進行污染(ran)(ran)(ran)物(wu)排(pai)放量(liang)修(xiu)(xiu)約(yue)(yue)，污染(ran)(ran)(ran)物(wu)濃度(du)和煙氣參數(shu)(shu)(shu)不進行修(xiu)(xiu)約(yue)(yue)，大(da)部(bu)分CEMS數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)處理系統未做到對污染(ran)(ran)(ran)物(wu)排(pai)放量(liang)的(de)(de)(de)修(xiu)(xiu)約(yue)(yue)處理；對小于15min的(de)(de)(de)維護、校(xiao)準(zhun)(zhun)形(xing)(xing)成(cheng)的(de)(de)(de)數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)不計為無效數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)，此(ci)期間(jian)(jian)出現(xian)的(de)(de)(de)污染(ran)(ran)(ran)物(wu)排(pai)放量(liang)和濃度(du)數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)按(an)正常數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)進行計算(suan)，一(yi)(yi)般情(qing)況(kuang)下不會(hui)造成(cheng)污染(ran)(ran)(ran)物(wu)小時(shi)數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)超標(biao)(biao)，但因維護、校(xiao)準(zhun)(zhun)期間(jian)(jian)造成(cheng)污染(ran)(ran)(ran)物(wu)濃度(du)數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)較(jiao)大(da)，且排(pai)放標(biao)(biao)準(zhun)(zhun)較(jiao)低時(shi)，極易形(xing)(xing)成(cheng)污染(ran)(ran)(ran)物(wu)濃度(du)小時(shi)數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)的(de)(de)(de)超標(biao)(biao)，此(ci)數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)是否計為超標(biao)(biao)數(shu)(shu)(shu)據(ju)(ju)(ju)(ju)，標(biao)(biao)準(zhun)(zhun)中(zhong)未予(yu)以(yi)明確(que)，給(gei)各級環境管理部(bu)門執法(fa)中(zhong)如何判定超標(biao)(biao)情(qing)況(kuang)帶(dai)來一(yi)(yi)定的(de)(de)(de)疑惑(huo)。

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