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點擊次數(shù)：711</div> <div id="at5xgcwsgw" class="NyNewsdetail_con"> <div>　　<a href="http:///ParentList-173296.html" target="_blank"><strong>計量泵</strong></a>是一種將液體或氣體計量輸送的設備。它通過不停地循環(huán)在容積腔內(nèi)進行液體或氣體的抽取和排放，實現(xiàn)對流量的控制。</div><div>　　一、原理:利用移動容積的變化來完成液體或氣體的吸入、壓縮和排出。其由兩個主要部分組成：驅(qū)動機構(gòu)和泵頭。驅(qū)動機構(gòu)提供泵頭所需的能量，而泵頭則執(zhí)行液體或氣體的壓縮和排放。在泵頭中，有一個或多個容積腔，這些腔隨著泵頭的旋轉(zhuǎn)或活塞的移動而發(fā)生周期性變化。液體或氣體從進口處被吸入到容積腔內(nèi)，并在腔內(nèi)被壓縮，被推出到出口處。這個過程重復進行直到達到需要的流量或壓力。</div><div>　　二、結(jié)構(gòu)</div><div>　　1.泵頭：是計量泵的核心部分，它負責將被輸送物質(zhì)流入、壓縮和排出。泵頭的容積腔數(shù)目可以根據(jù)需要而變化，通常有單腔和多腔兩種類型。其中，單腔泵頭適用于較小的精度要求，而多腔泵頭則適用于高精度要求的場合。</div><div>　　2.齒輪：是驅(qū)動泵頭旋轉(zhuǎn)的主要部件，它通過與電機連接實現(xiàn)泵頭的旋轉(zhuǎn)和推進。齒輪一般采用鋼制，以確保其強度和耐磨性。</div><div>　　3.活塞：是泵頭中另一個關鍵部件，它通過向前或向后移動來改變?nèi)莘e腔的大小，并實現(xiàn)液體或氣體的吸入和排放。</div><div>　　4.閥門：是控制液體或氣體流動方向的關鍵元素。在計量泵中，閥門通常包括吸入閥門和排放閥門。這些閥門會隨著泵頭的運動而打開或關閉，實現(xiàn)流體的正向、反向輸送。</div><div>　　5.葉片：位于泵頭內(nèi)部，它們的主要作用是將液體或氣體壓縮和推出。葉片材質(zhì)通常為不銹鋼或硬質(zhì)合金，以保證其耐磨性和強度。</div><div>　　6.密封件：作為計量泵的關鍵部件之一，密封件對于保持泵頭內(nèi)部的壓力和防止泄漏至關重要。密封件種類較多，包括O型環(huán)、U型環(huán)、P型密封等。</div> </div> <div id="at5xgcwsgw" 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