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熱門關鍵詞: 周邊半橋全橋(qiáo)刮泥 中心(xīn)傳動刮泥機 立(lì)式攪拌機
往複式矩形池底刮泥機是集汙泥連續輸送與濃縮於一體的液壓往複式矩形池底刮泥機。矩形池底刮泥機由第一代鋼索拖拉刮板式、第二代桁車(chē)走橋吸泥式、第三代鏈條刮板式演變到現在的第四代液壓(yā)往複式,液壓往複式矩形池底刮泥機具有運動部(bù)件(jiàn)少、維護少(shǎo)、汙泥連續輸送、可靠性高、安裝簡便、汙泥濃縮等特性。往複式刮泥機已成功應用於大量不同型式的汙泥沉澱係統,適用範(fàn)圍廣。
齒輪油(yóu)泵向液壓油缸提供動(dòng)力(lì),一組三(sān)角架將油缸的豎直運動轉換為水(shuǐ)平運(yùn)動、最後帶動-組楔形刮板在矩形池底(dǐ)作往複運動;往複運動的行程大於單(dān)根刮板的間距,相(xiàng)當於後(hòu)-根刮板向前一根刮板傳遞汙(wū)泥(ní);刮板組前(qián)進的速度大(dà)約是(shì)後退(tuì)速度的一半;前進時,楔形刮板的凹麵在前、向池子的積泥溝推送積泥;後退時、很小的(de)楔形銳角不會帶動汙泥向後運動、而快速後退的(de)凹(āo)麵(miàn)產生的負壓(yā)、會使-定厚(hòu)度的汙泥層(céng)保持向前運動的慣性。
因此當刮板作往複運動時、池底有一-層汙泥始終在向前運動,直至跌入集泥溝。當池底積泥達(dá)到某- -厚度時、刮泥機的效率最高。刮板的往複移動同(tóng)時具有濃縮汙(wū)泥的作(zuò)用(可達3%),這種特性在(zài)實際應用(yòng)中突顯重要(yào)。當排汙(wū)量相等時、汙泥的(de)濃度越高、其耗水率越低,這樣(yàng)也就減少了水源與(yǔ)能源的損(sǔn)耗。
A gear oil pump provides driving force for a hydraulic oil cylinder. A set of triangular supports turns the vertical movements of the oil cylinder into horizontal movements and finally drives a set of wedge- -shaped scraping plates to reciprocate at the bottom of a rectangular tank. The travel of reciprocating movements is larger than the distance between scraping plates. In other words, the back scraping plate passes mud to the front scraping plate. The speed of advancing scraping plates is about half of that of backing scraping plates. When scrapping plates advance, the concave surface of the wedge- -shaped scraping plates is in the front and pushes mud towards a mud channel. When scrapping plates move backwards, the very small wedge - shape sharp corners won't carry sludge to move backwards and the negative pressure produced by rapid backward movements of the concave surface will keep the inertia of forward movements of sludge layers with a certain thickness.
Therefore, when scraping plates reciprocate, a layer of sludge at the tank bottom always moves forward until it falls into the mud trough.When mud at the tank bottom reaches a certain thickness, the efficiency of the mud scraper is highest. The reciprocation of scraping plates also has the function of sludge concentration (3%). This characteristic is very prominent in practical application. When the amount of mud discharge is the same, the higher the concentration of sludge is, the lower the water consumption rate is so the loss of water and energy is also reduced.
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