使用方法
使用方法：隨著顆粒變細(xì)，去除水的阻力增加。重力脫水不能再使用，必須使用壓力。通過在固體濾餅上產(chǎn)生壓差Dp，可以通過以下方式去除液體：可以在管式壓力機(jī)上進(jìn)行清洗。這被稱為置換洗滌，其中液體通過液壓迫使通過濾餅。對于立式板式壓力過濾器，使用壓縮或壓縮與空氣直通的組合。對于真空過濾器，使用通過吹氣的空氣。壓縮：“通過壓縮脫水意味著通過壓縮濾餅結(jié)構(gòu)去除濾餅中的液體”。通過吹風(fēng)“通過吹風(fēng)脫水意味著用空氣替換蛋糕中的水”。對于管式壓力機(jī)，使用壓縮或壓縮和空氣凈化的組合。同樣的方法，管式壓濾機(jī)管式壓榨機(jī)是一種設(shè)計(jì)為圓柱形的膜式壓濾器，能夠在高達(dá)100巴的過濾壓力下運(yùn)行。使用這些高壓能夠?qū)崿F(xiàn)液相和固相的更高程度的分離。管式壓榨機(jī)適用于以下應(yīng)用：?工藝要求非常低的濾餅水分，例如冶煉廠?濾餅可處理性非常關(guān)鍵。e、 g.地下泥漿?濾液是有價(jià)值的產(chǎn)品?濾餅運(yùn)輸成本很高?濾餅將被處理到垃圾填埋場。操作原理過濾在兩個(gè)同心圓筒之間進(jìn)行。外筒是外殼，內(nèi)筒是蠟燭。將工藝漿液泵入過濾介質(zhì)和氣囊之間的環(huán)形空間。然后，將液壓流體（水）泵入氣囊和套管之間，將泥漿置于壓力下，并進(jìn)行過濾。過濾完成后，使用真空將液壓流體從管單元中抽出，直到氣囊在外殼上膨脹。然后將蠟燭降低到排放位置，并在蠟燭和過濾介質(zhì)之間吹入空氣脈沖。
服務(wù)內(nèi)容
這會(huì)導(dǎo)致濾布膨脹，使在重力作用下排出的濾餅破裂。完成后，蠟燭關(guān)閉至泥漿填充位置，重復(fù)循環(huán)?？諝獯祾吆?或?yàn)V餅清洗可并入循環(huán)中。在過濾元件完成時(shí)，在濾餅和囊之間泵送空氣或洗滌液，然后通過進(jìn)一步施加液壓迫使濾餅進(jìn)入循環(huán)。優(yōu)點(diǎn)?盡可能干燥的濾餅固體?最大限度地減少體積?異常透明的濾液現(xiàn)場管式壓榨試驗(yàn)的優(yōu)點(diǎn)將對生產(chǎn)泥漿進(jìn)行試驗(yàn)，并將在試驗(yàn)期間遇到生產(chǎn)進(jìn)料的任何變化。客戶將看到性能，特別是能夠處理濾餅并觀察濾液的澄清度?？蛻粲袡C(jī)會(huì)運(yùn)營工廠。有關(guān)這些可用服務(wù)的更多信息，請聯(lián)系您的Metso代表?？煽康闹С諱etso專家是各種工業(yè)流程的專家。我們的政策是全面了解客戶的應(yīng)用程序。售后服務(wù)我們的售后服務(wù)為您提供全面詳細(xì)的操作和維護(hù)說明、培訓(xùn)、專業(yè)的啟動(dòng)服務(wù)和技術(shù)援助。
Usage
As the particles become finer, the resistance to water removal increases. Gravity dewatering cannot be used anymore, and pressure must be used. By creating a differential pressure Dp on the solid filter cake, the liquid can be removed by washing on a tubular press. This is called displacement washing, where liquid is hydraulically forced through the filter cake. For vertical plate pressure filter, use compression or combination of compression and air through. For vacuum filters, use air that is blown through. Compression: "Dewatering by compression means that the liquid in the filter cake is removed by compressing the cake structure". Dehydration by blowing means replacing the water in the cake with air. For tubular presses, use compression or a combination of compression and air purification. In the same way, the tubular filter press The tubular press is a cylindrical membrane filter press designed to operate at filtration pressures up to 100 bar. Using these high pressures can achieve a higher degree of separation of the liquid and solid phases. The tubular press is suitable for the following applications: ? Filter cake moisture with very low process requirements, such as smelters ? Filter cake processability is critical. e. G. Underground mud ? The filtrate is a valuable product ? The transport cost of filter cake is very high ? The filter cake will be treated to the landfill. Operating principle Filtering is carried out between two concentric cylinders. The outer cylinder is a shell, and the inner cylinder is a candle. Pump the process slurry into the annular space between the filter medium and the air bag. Then, the hydraulic fluid (water) is pumped between the air bag and the casing, the mud is placed under pressure and filtered. After filtration, use a vacuum to draw the hydraulic fluid out of the tube unit until the air bag expands on the housing. The candle is then lowered to the discharge position and an air pulse is blown between the candle and the filter medium.
service content
This will cause the filter cloth to expand and break the filter cake discharged under the action of gravity. After completion, close the candle to the mud filling position and repeat the circulation. Air purging and/or cake cleaning may be incorporated into the cycle. When the filter element is completed, air or washing liquid is pumped between the filter cake and the bag, and then the filter cake is forced into circulation by further applying hydraulic pressure. Advantages ? Dry filter cake solids as much as possible ? Minimize the volume ? The advantages of the field tubular press test of the unusually transparent filtrate will test the production mud and will encounter any changes in the production feed during the test. The customer will see the performance, especially being able to handle the cake and observe the clarity of the filtrate. The customer has the opportunity to operate the factory. For more information about these available services, please contact your Metso representative. Reliable support Metso experts are experts in various industrial processes. Our policy is to have a comprehensive understanding of our customers' applications. After sales ServiceOur after-sales service provides you with comprehensive and detailed operation and maintenance instructions, training, professional startup services and technical assistance.
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