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text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span style="font-family: 宋體;"> 主要可分為四類：</span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span style="font-family: 宋體;"> （</span><span lang="EN-US">1</span><span style="font-family: 宋體;">）燃燒前控制</span><span lang="EN-US">-</span><span style="font-family: 宋體;">原煤凈化</span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span style="font-family: 宋體;"> （</span><span lang="EN-US">2</span><span style="font-family: 宋體;">）燃燒中控制</span><span lang="EN-US">-</span><span style="font-family: 宋體;">硫化床燃燒（</span><span lang="EN-US">CFB</span><span style="font-family: 宋體;">）和爐內噴吸收劑</span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span style="font-family: 宋體;"> （</span><span lang="EN-US">3</span><span style="font-family: 宋體;">）燃燒后控制</span><span lang="EN-US">-</span><span style="font-family: 宋體;">煙氣脫硫</span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span style="font-family: 宋體;"> （</span><span lang="EN-US">4</span><span style="font-family: 宋體;">）新工藝（如煤氣化</span><span lang="EN-US">/</span><span style="font-family: 宋體;">聯合循環系統、液態排渣燃燒器）其中大多數國家采用燃燒后煙氣脫硫工藝。</span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span style="font-family: 宋體;"> 煙氣脫硫則以濕式石灰石</span><span lang="EN-US">/</span><span style="font-family: 宋體;">石膏法脫硫工藝作為主流。</span><span lang="EN-US"><o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-size: 10.5pt;"><br /></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-size: 10.5pt;">1 </span><span style="font-size: 10.5pt; font-family: 宋體;">石灰</span><span lang="EN-US" style="font-size: 10.5pt;">/</span><span style="font-size: 10.5pt; font-family: 宋體;">石灰石</span><span lang="EN-US" style="font-size: 10.5pt;">-</span><span style="font-size: 10.5pt; font-family: 宋體;">石膏</span><span lang="EN-US" style="font-size: 10.5pt;"> </span><span style="font-size: 10.5pt; font-family: 宋體;">循環流化床（</span><span lang="EN-US" style="font-size: 10.5pt;">CFB</span><span style="font-size: 10.5pt; font-family: 宋體;">）</span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US">2 </span><span style="font-family: 宋體;">海水脫硫</span> <span style="font-family: 宋體;">噴霧干燥法</span><span lang="EN-US"> <o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US">3 </span><span style="font-family: 宋體;">堿式硫酸鋁法</span> <span style="font-family: 宋體;">爐內噴鈣增濕活化法</span> <span style="font-family: 宋體;">電子束照射法（</span><span lang="EN-US">EBA</span><span style="font-family: 宋體;">）</span><span lang="EN-US"><o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US">4 </span><span style="font-family: 宋體;">水和稀酸吸收法</span><span lang="EN-US"> <o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US">5 </span><span style="font-family: 宋體;">雙堿法</span><span lang="EN-US"> <o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US">6 </span><span style="font-family: 宋體;">氨酸法</span><span lang="EN-US"> <o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US">7 </span><span style="font-family: 宋體;">鈉鹽循環法、氧化鎂法、海水法</span><span lang="EN-US"> <o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US"><br /></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span style="font-family: 宋體;">目前它是應用最廣，技術最成熟的工藝，運行可靠、檢修周期長，采用經濟實用、廉價的石灰石細粉作為吸收劑，與煙氣中的</span><span lang="EN-US">SO2</span><span style="font-family: 宋體;">反應，經過幾個反應步驟，生成副產品石膏。椐統計，全世界現有煙氣脫硫裝置中，濕法約占</span><span lang="EN-US">85%</span><span style="font-family: 宋體;">（其中石灰石</span><span lang="EN-US">/</span><span style="font-family: 宋體;">石膏系統為</span><span lang="EN-US">36.7%</span><span style="font-family: 宋體;">，其它濕法</span><span lang="EN-US">48.3%</span><span style="font-family: 宋體;">），噴霧干燥系統</span><span lang="EN-US">8.4%</span><span style="font-family: 宋體;">，吸收劑再生系統</span><span lang="EN-US">3.4%</span><span style="font-family: 宋體;">，煙道內噴吸收劑</span><span lang="EN-US">1.9%</span><span style="font-family: 宋體;">。</span><span lang="EN-US"><o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span style="font-family: 宋體;">三、石灰石（石灰）—石膏濕法脫硫主要特點</span><span lang="EN-US"><o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US"> </span><span style="font-family: 宋體;">（</span><span lang="EN-US">1</span><span style="font-family: 宋體;">）脫硫效率高。石灰石（石灰）—石膏濕法脫硫工藝脫硫率高達</span><span lang="EN-US">95%</span><span style="font-family: 宋體;">以上，脫硫后的煙氣不但二氧化硫濃度很低，而且煙氣含塵量也大大減少。大機組采用濕法脫硫工藝，二氧化硫脫除量大，有利于地區和電廠實行總量控制。</span><span lang="EN-US"><o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US"> </span><span style="font-family: 宋體;">（</span><span lang="EN-US">2</span><span style="font-family: 宋體;">）技術成熟，運行可靠性好。國外火電廠石灰石</span><span lang="EN-US">(</span><span style="font-family: 宋體;">石灰</span><span lang="EN-US">)</span><span style="font-family: 宋體;">一石膏濕法脫硫裝置投運率一般可達</span><span lang="EN-US">98%</span><span style="font-family: 宋體;">以上，由于其發展歷史長，技術成熟，運行經驗多，因此不會因脫硫設備而影響鍋爐的正常運行。特別是新建的大機組采用濕法脫硫工藝，使用壽命長，可取得良好的投資效益。</span><span lang="EN-US"><o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US"> (3)</span><span style="font-family: 宋體;">對煤種變化的適應性強。該工藝適用于任何含</span> <span style="font-family: 宋體;">硫量的煤種的煙氣脫硫，無論是含硫量大于</span><span lang="EN-US">3%</span><span style="font-family: 宋體;">的高硫煤，還是含硫量低于</span><span lang="EN-US">1%</span><span style="font-family: 宋體;">的低硫煤，石灰石</span><span lang="EN-US">(</span><span style="font-family: 宋體;">石灰</span><span lang="EN-US">)</span><span style="font-family: 宋體;">一石膏濕法脫硫工藝都能適應。</span><span lang="EN-US"><o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US"> (4)</span><span style="font-family: 宋體;">占地面積大，一次性建設投資相對較大。石灰石</span><span lang="EN-US">(</span><span style="font-family: 宋體;">石灰</span><span lang="EN-US">) </span><span style="font-family: 宋體;">一石膏濕法脫硫工藝比其它工藝的占地面積要大，所以現有電廠在沒有預留脫硫場地的情況下采用該工藝有一定的難度，其一次性建設投資比其它工藝也要高一些。</span><span lang="EN-US"><o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US"> (5)</span><span style="font-family: 宋體;">吸收劑資源豐富，價格便宜。作為石灰石</span><span lang="EN-US">(</span><span style="font-family: 宋體;">石灰</span><span lang="EN-US">) </span><span style="font-family: 宋體;">一石膏濕法脫硫工藝吸收劑的石灰石，在我國分布很廣，資源豐富，許多地區石灰石品位也很好，碳酸鈣含量在</span><span lang="EN-US">90%</span><span style="font-family: 宋體;">以上，優者可達</span><span lang="EN-US">95%</span><span style="font-family: 宋體;">以上。在脫硫工藝的各種吸收劑中，石灰石價格最便宜，破碎磨細較簡單，鈣利用率較高。</span><span lang="EN-US"><o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US"> (6)</span><span style="font-family: 宋體;">脫硫副產物便于綜合利用。石灰石</span><span lang="EN-US">(</span><span style="font-family: 宋體;">石灰</span><span lang="EN-US">) </span><span style="font-family: 宋體;">一石膏濕法脫硫工藝的脫硫副產物為二水石膏。在日本、德國脫硫石膏年產量分別為</span><span lang="EN-US">250</span><span style="font-family: 宋體;">萬噸和</span><span lang="EN-US">350</span><span style="font-family: 宋體;">萬噸左右，基本上都能綜合利用，主要用途是用于生產建材產品和水泥緩凝劑。脫硫副產物綜合利用，不僅可以增加電廠效益、降低運行費用，而且可以減少脫硫副產物處置費用，延長灰場使用年限。</span><span lang="EN-US"><o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US">(7)</span><span style="font-family: 宋體;">技術進步快。近年來國外對石灰石</span><span lang="EN-US">(</span><span style="font-family: 宋體;">石灰</span><span lang="EN-US">) </span><span style="font-family: 宋體;">一石膏濕法工藝進行了深入的研究與不斷的改進，如吸收裝置由原來的冷卻、吸收、氧化三塔合為一塔，塔內流速大幅度提高，噴嘴性能進一步改善等。通過技術進步和創新，可望使該工藝占地面積較大、造價較高的問題逐步得到妥善解決。</span><span lang="EN-US"><o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span style="font-family: 宋體;"> </span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-size: 10.5pt; font-family: "Times New Roman", serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span style="font-family: 宋體;"> 具體定制方案聯系上海麗唐環保技術部門。以配置方案為準。</span></p> </div> <div class="bzone"> <input type="hidden" id="productid" value="152"> <div id="banzhu" class="banzhu"></div> </div> </div> </div> </div> </div> </div> <div id='pdv_14009' class='pdv_class' style='width:188px;height:350px;top:1px;left:0px; 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