3HAC026156-003
3HAC026156-003
3HAC026156-003
3HAC026156-003
該系統(tǒng)是利用罐內(nèi)液體的靜壓力和儲(chǔ)罐的有效截面積有關(guān)而與儲(chǔ)罐內(nèi)的密度與溫度無關(guān)的方法來測(cè)量的，具有代表性的有ROSEMOUNT的HTG系統(tǒng)。
C、混合計(jì)量法（HTMS法）：采用高性能的液位計(jì)和高精度智能差壓變送器綜合了上述兩種方法的優(yōu)點(diǎn),可測(cè)量質(zhì)量、密度、水高、液位、油溫，可分為雷達(dá)液位計(jì)混合法、伺服式液位計(jì)混合法、磁致伸縮式液位計(jì)混合法，具有代表性的有ROSEMOUNT、ENLAFU 、MTS的HTMS系統(tǒng)。
由于現(xiàn)場(chǎng)總線技術(shù)的發(fā)展使得智能變送器可以再同一總線上進(jìn)行雙向多信息數(shù)字通訊，并且為油庫廣域網(wǎng)或局域網(wǎng)提供了基本的數(shù)字網(wǎng), 是油品計(jì)量系統(tǒng)未來發(fā)展的方向。力控®-CY2000利用現(xiàn)場(chǎng)總線技術(shù)可以實(shí)現(xiàn)現(xiàn)場(chǎng)儀表遠(yuǎn)距離組態(tài),零點(diǎn)及量程校正, ,故障在線診斷, 降低了安裝成本。
油品罐區(qū)參數(shù)檢測(cè)的基本配置見圖2：
圖片標(biāo)記2
D、油品的自動(dòng)發(fā)放、接收采用性能可靠的控制設(shè)備（如PLC）控制相應(yīng)的泵和閥門來完成。
E、為了保證計(jì)量的準(zhǔn)確性,采用高性能的質(zhì)量流量計(jì)來檢測(cè)進(jìn)出流量，為了保證油品罐區(qū)的安全采用專用報(bào)警器對(duì)可燃?xì)怏w的濃度進(jìn)行監(jiān)測(cè)。
F、力控-CY200針對(duì)加油站系統(tǒng)的儲(chǔ)罐可采用ATG法，同時(shí)與加油機(jī)檢測(cè)系統(tǒng)進(jìn)行配合使用（例如：WEEDER-ROOT加油系統(tǒng)），自動(dòng)控制加油機(jī)的加油。
2、力控-CY2000數(shù)據(jù)采集和處理
A、自動(dòng)計(jì)量各油罐液位、密度、油溫、水高等數(shù)據(jù)。
B、自動(dòng)報(bào)警：對(duì)液位高、低限，可燃?xì)怏w超標(biāo)、油溫高、低限、密度超限等各種異常情況進(jìn)行報(bào)警，報(bào)警可采用聲光等形式。
C、參數(shù)修改：可方便的修改各種油品設(shè)置參數(shù)，如安全高度、報(bào)警限等
D、自動(dòng)監(jiān)控：可顯示油品罐區(qū)的動(dòng)態(tài)流程，根據(jù)安全高度、液位設(shè)定值的不同可自動(dòng)進(jìn)行油品的發(fā)放、接收，液位超限或有異常情況時(shí)，發(fā)放、接收可自動(dòng)停止。
E、利用補(bǔ)償算式自動(dòng)將密度和體積補(bǔ)償?shù)綐?biāo)準(zhǔn)狀態(tài)，并能進(jìn)行溫度補(bǔ)償，罐容量表矯正。
F、加油機(jī)數(shù)據(jù)采集：對(duì)具備通訊接口的加油機(jī)可以將內(nèi)部數(shù)據(jù)完全顯示在管理站軟件，并可以將數(shù)據(jù)進(jìn)行報(bào)表核算（如稅費(fèi)分離核算等），并對(duì)數(shù)據(jù)進(jìn)行歷史存儲(chǔ)供管理者查詢。
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