鍋爐控制系統(tǒng)設(shè)計

課程設(shè)計說明書課題名稱： 鍋爐裝置自動控制系統(tǒng)設(shè)計 專業(yè)班級： ************ 學(xué)生學(xué)號： ****** 學(xué)生姓名： ** 學(xué)生成績： 指導(dǎo)教師： ***** 課題工作時間： 2012.12.17至2012.12.21 1武漢工程大學(xué)教務(wù)處填寫說明：表中第一、二、三、六項由指導(dǎo)教師填寫；第四、五兩項由學(xué)生填寫。表中第一、二、三在在課程設(shè)計開始前填寫，第四、五、六項在課程設(shè)計完成后填寫。本表格填寫完整后連同正文裝訂成冊。一、課程設(shè)計的任務(wù)或?qū)W年論文的基本要求一、課程設(shè)計的任務(wù)或?qū)W年論文的基本要求任務(wù)：完成鍋爐裝置自動控制系統(tǒng)設(shè)計。包括1．熟悉鍋爐裝置工作要求，確定系統(tǒng)方案。2．合理選擇控制設(shè)備型號及規(guī)格，編制設(shè)備表。3．完成相關(guān)圖紙的設(shè)計。4．編制設(shè)計說明書。要求：控制方案合理、控制設(shè)備選型合理，圖紙符合有關(guān)設(shè)計標(biāo)準(zhǔn)及規(guī)范。具體內(nèi)容包括1．設(shè)計說明書，包括1）鍋爐裝置工藝說明2）相關(guān)控制系統(tǒng)說明3）自控設(shè)備選型（計算）說明4）自控設(shè)備表一覽表2．設(shè)計圖紙（圖紙符合相關(guān)國家標(biāo)準(zhǔn)），包括1）儀表管道流程圖（PID）2）儀表盤正面布置圖3）儀表盤背面電氣接線圖二、進(jìn)度安排二、進(jìn)度安排1～2收集查閱資料，熟悉鍋爐裝置操作要求確定系統(tǒng)控制方案及選型原則3～4熟悉相關(guān)圖紙標(biāo)準(zhǔn)、繪制流程圖設(shè)備選型、編制設(shè)備一覽表，繪制布置圖及接線圖5設(shè)備計算撰寫設(shè)計說明書、答辯三、參考資料或參考文獻(xiàn)1．產(chǎn)品手冊及選型樣本2．楊三青，王仁明，曾慶山.過程控制.華中科技大學(xué)出版社.20083．孫洪程等.過程自動化工程.機(jī)械工業(yè)出版社.20104．孫洪程，李大宇.過程控制工程設(shè)計.化學(xué)工業(yè)出版社.20095．譚天恩，竇梅，周明華等.化學(xué)工業(yè)出版社.2006指導(dǎo)教師簽字：年月日教研室主任簽字：年月日四、課程設(shè)計摘要（中文）本次設(shè)計中，我們選取的被控對象為工業(yè)領(lǐng)域廣泛應(yīng)用的自然循環(huán)鍋爐。根據(jù)工藝流程指標(biāo)及其控制要求，本次設(shè)計采用反饋控制方案來控制煙氣含氧量、排煙溫度、蒸汽溫度、汽包水位、爐膛壓力、燃料氣壓、除氧器壓力及其液位。另外，考慮到安全因素，本次設(shè)計還采用了串級控制方案，以蒸汽壓力為主變量、汽包壓力為副變量，來滿足對蒸汽壓力的控制。根據(jù)控制方案及控制要求，本次設(shè)計還完成了自控設(shè)備的選型和工藝管道流程圖的相關(guān)設(shè)計內(nèi)容。關(guān)鍵字：鍋爐；反饋控制；串級控制五、課程設(shè)計摘要（英文）五、課程設(shè)計摘要（英文）Inthedesignthecontrolledobjectwechooseisadevicewhichiswidelyusedinthenaturalcirculationofindustrialfield.Thefeedbackcontrolschemeisadoptedtosatisfythecontrolrequirementsoftheoxygencontentofthefluegas,smoketemperature,steamtemperature,steamdrumwaterlevelofboiler,furnacepressure,fuelpressure,deaeratorpressureanditsliquidlevelaccordingtotheprogress.Inaddition,thecascadecontrolschemeisalsoadoptedtomeettherequirementofthesteampressurewiththesteampressureasmainvariablesandthedrumpressureasassistantvariable,consideringsecuriTheselectionoftheautomationequipmentsandthePIDarealsocompletedinthisdesign.Keywords:Boiler;Feedbackcontrol;Cascadecontrol七、答辯記錄七、答辯記錄記錄人（簽字）：年月日答辯意見及答辯成績答辯小組教師（簽字）：年月日課程設(shè)計總評成績：（指導(dǎo)教師評分×80%+答辯成績×20%）目錄1.鍋爐流程························································································11.1工藝流程介紹·······················································································11.2工藝過程簡介························································································21.3儀表及操作設(shè)備說明··············································································32.控制要求及操作步驟·········································································42.1主要控制要求························································································42.2主要操作步驟與運行指標(biāo)········································································43.控制系統(tǒng)說明··················································································63.1煙氣含氧量的控制··················································································63.2煙氣溫度的控制·····················································································73.3蒸汽溫度的控制·····················································································73.4蒸汽壓力的控制·····················································································73.5爐膛壓力的控制·····················································································73.6燃料氣壓的控制·····················································································83.7除氧器的壓力的控制···············································································83.8除氧器的液位的控制···············································································83.9汽包水位的控制·····················································································94.自控設(shè)備的選型及其計算···································································94.1檢測類儀表··························································································94.2分電盤的選型······················································································104.3調(diào)節(jié)閥的選型·······················································································105.設(shè)計施工圖說明·············································································115.1儀表管道流程圖（見附錄1）···································································115.2儀表盤正面布置圖（見附錄2）································································115.3儀表盤背面電氣接線圖（見附錄3）··························································11附錄1·····································································································12附錄2·