詳細(xì)介紹
進(jìn)口液壓隔膜計(jì)量泵(美國(guó)進(jìn)口)
進(jìn)口液壓隔膜計(jì)量泵產(chǎn)品描述:
是一種可以滿足各種嚴(yán)格的工藝流程需要,流量可以在0-*范圍內(nèi)無(wú)級(jí)調(diào)節(jié),用來(lái)計(jì)量輸送液體(特別是腐蝕性液體)的一種特殊容積泵。在各類型的往復(fù)泵中也被定位為輸送小流量、高壓力的泵,因此微流量(2L/h以下流量)、高壓力計(jì)量泵、大流量(10000L/h以上流量)、高壓力計(jì)量泵被視為行業(yè)高難度計(jì)量泵。
進(jìn)口液壓隔膜計(jì)量泵工作原理:
1、電機(jī):電機(jī)與傳動(dòng)機(jī)構(gòu)用電機(jī)托架以法蘭型式連接,經(jīng)爪型聯(lián)軸器把電機(jī)轉(zhuǎn)矩傳遞給蝸桿。
2、傳動(dòng)機(jī)構(gòu):均由蝸桿蝸輪減速經(jīng)偏心輪端面鍵傳遞扭矩,“N”形軸在偏心輪內(nèi)起調(diào)節(jié)偏心距作用,偏心輪套入連桿大頭,因偏心輪旋轉(zhuǎn),通過(guò)連接件帶動(dòng)柱塞作往復(fù)運(yùn)動(dòng)。泵的流量調(diào)節(jié)通過(guò)改變柱塞行程長(zhǎng)度的方法來(lái)實(shí)現(xiàn),柱塞行程長(zhǎng)度的調(diào)節(jié)采用“N”形軸機(jī)構(gòu),只要軸向移動(dòng)“N”形軸就可改變偏心輪的偏心距,從而改變柱塞行程,達(dá)到調(diào)節(jié)流量的目的。
3、液力端:液力端是輸送液體介質(zhì)部分。柱塞式是由防腐柱塞、動(dòng)密封組件和進(jìn)出口單向閥組成,直接與所輸送的介質(zhì)接觸工作。隔膜式是由隔膜片和限止網(wǎng)板將液壓油與所輸送的介質(zhì)隔開(kāi),確保輸送的介質(zhì)不泄漏。
(1)柱塞動(dòng)密封組
動(dòng)密封組是由導(dǎo)向環(huán)、方形四氟或芳綸編織盤根、壓蓋和壓緊螺母組成。當(dāng)有泄漏時(shí)可適當(dāng)順時(shí)針旋轉(zhuǎn)壓緊螺母,壓縮編織盤根使其與柱塞緊密貼合起到密封作用。注意不要壓得過(guò)緊,只要不漏即可。如密封組或柱塞磨損嚴(yán)重應(yīng)及時(shí)更換。
(2)進(jìn)出口單向閥
進(jìn)出口單向閥在工作過(guò)程中,閥球和閥座之間密封性能的好壞,是影響泵性能優(yōu)劣的一個(gè)重要因素,如果發(fā)現(xiàn)泵的流量不正常,首先應(yīng)該檢查進(jìn)出口單向閥。閥球和閥座銹蝕損壞以及輸送介質(zhì)的不清潔等,都會(huì)引起單向閥的密封不良,應(yīng)及時(shí)采取相應(yīng)的措施。
(3)液壓室
液壓室是由柱塞、動(dòng)密封組、隔膜片及隔膜限止板等組成的一個(gè)封閉腔。在液壓室內(nèi)注滿液體介質(zhì)(變壓器油或機(jī)械油與煤油的混合油),排盡腔內(nèi)空氣,在柱塞的往復(fù)運(yùn)動(dòng)下,借助液體介質(zhì)的傳遞,使隔膜片作來(lái)回繞曲運(yùn)動(dòng),從而實(shí)現(xiàn)泵的吸排液作用。液壓介質(zhì)注滿是否適量和空氣是否排盡(由補(bǔ)油閥和排氣閥來(lái)實(shí)現(xiàn))是影響隔膜式計(jì)量泵計(jì)量精度和容積效率高低的又一個(gè)重要因素。液體介質(zhì)不足或空氣沒(méi)有排盡,會(huì)引起泵排量不足和降低計(jì)量精度;液體介質(zhì)過(guò)量時(shí)會(huì)引起安全閥起跳,甚至于使液壓室內(nèi)壓力過(guò)高,致使隔膜片破裂影響正常工作。泵在正常運(yùn)轉(zhuǎn)過(guò)程中借助于雙閥的作用,始終保持液壓室內(nèi)液體介質(zhì)的量和壓力的平衡。
進(jìn)口液壓隔膜計(jì)量泵特點(diǎn)及應(yīng)用
1.柱塞直徑可以做得很小,不應(yīng)該太大,一般D6-200mm;
2.柱塞泵用途廣泛,排氣壓力大,易于制造高壓泵;
3.可輸送高粘度介質(zhì),不*用于運(yùn)輸腐蝕性紙漿和危險(xiǎn)化學(xué)品;
4.軸封為填料密封,有泄漏,零周期性調(diào)節(jié)填料,填料柱塞是一對(duì)易損件;
5.流量范圍在10%-100%,測(cè)量精度可達(dá)±1%,大壓力可達(dá)50MPa,出口壓力變化,流量幾乎不變;
6.無(wú)安全排氣裝置,建議在泵出口管上安裝安全閥;
7.結(jié)構(gòu)簡(jiǎn)單,維護(hù)方便,性價(jià)比高;
8.所有柱塞計(jì)量泵均可通過(guò)調(diào)節(jié)行程長(zhǎng)度進(jìn)行調(diào)節(jié),調(diào)節(jié)流量;用變頻電機(jī),變頻器改變電機(jī)頻率來(lái)控制流量,可實(shí)現(xiàn)遙控;
9.可以由各種類型的絕緣泵頭(帶蒸汽,熱水,電力等加熱泵頭)制成,可以并聯(lián)制作,用于添加不同液體和不同的流量和壓力。
(美國(guó)ARCADIA阿卡迪亞)
我們會(huì)對(duì)建筑物進(jìn)行審慎的思考,并藉此創(chuàng)造出懂得思考的建筑物
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宏觀上看,氣候變化呼吁我們每個(gè)人采取行動(dòng)來(lái)改變現(xiàn)有狀況。這意味著建筑物必須遵守嚴(yán)格的可持續(xù)發(fā)展標(biāo)準(zhǔn)以保持低能耗和高靈活性。微觀處,咨詢工程師們卻面臨著工程多,監(jiān)理時(shí)間嚴(yán)重不足的難題。因此,快速方便地獲取正確的信息顯得尤為重要。
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(Arcadia, USA)
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