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蘇東鋰云母精礦壓濾機脫水系統應用案例_高效解決鋰云母脫水難題

鋰云母作為新能源鋰資源的核心原料,廣泛應用于鋰鹽、電池材料等領域,其精礦生產過程中(研磨、浮選、精制環節)會產生大量高難度脫水漿料,因粒度細、片狀及鱗片狀顆粒占比高、漿料黏附性強,成為鋰云母行業固液分離的核心痛點,直接影響后續鋰提取效率、資源利用率及生產合規性。蘇東壓濾機深耕固液分離領域多年,針對鋰云母精礦脫水痛點,定制專屬鋰云母精礦壓濾機脫水系統,為大型鋰云母選礦企業提供高效、穩定、節能的固液分離解決方案,助力企業實現鋰云母精礦深度脫水、資源循環利用與降本增效,以下是詳細應用案例解析。

一、項目概況(鋰云母精礦脫水項目背景)

本次合作客戶為國內大型鋰云母選礦企業,主營鋰云母精礦研發、生產與銷售,產品用于鋰鹽、動力電池材料等高端領域,是區域內鋰云母資源綜合利用標桿企業。該企業在鋰云母精礦浮選、精制環節,日均產生鋰云母精礦漿料60噸,核心需求為實現鋰云母精礦漿料深度脫水,保障濾餅含水率達標、濾液潔凈可回用,徹底解決傳統脫水設備效率低、濾布易堵塞、維護成本高的痛點,適配后續鋰提取工藝需求,實現綠色合規生產。

物料核心特性(鋰云母精礦漿料難點)

  • 鋰云母精礦漿料濃度55%,初始含水率96%-98%,粒度<75μm含量達32.79%,細顆粒分布集中,固液分離難度大;
  • 漿料中片狀、鱗片狀顆粒占比高,黏附性強,易在濾布表面平鋪堆疊,形成致密濾餅,導致過濾通量快速衰減,影響脫水效率;
  • 漿料中含有少量浮選藥劑殘留,對鋰云母精礦壓濾機的濾布耐腐蝕性、過濾精度要求極高,需確保濾液無明顯雜質,可循環用于生產環節,避免資源浪費。

客戶原有處理痛點(傳統設備適配性不足)

  • 采用傳統廂式壓濾機處理鋰云母精礦漿料,濾布易堵塞、過濾效率低下,單臺設備日處理量不足20噸,無法匹配企業連續生產節奏;
  • 固液分離不徹底,濾餅含水率高達55%以上,后續干燥、焙燒能耗高,直接增加鋰提取環節的生產成本;
  • 濾布更換頻繁(每月需更換1-2次),且人工卸餅強度大,維護成本與人工成本居高不下,制約企業盈利空間;
  • 濾液中懸浮顆粒含量高(SS≥280mg/L),無法循環回用,直接排放不僅浪費水資源,還面臨環保合規壓力,影響企業正常生產;
  • 傳統壓濾機適配性差,無法根據鋰云母精礦粒度波動靈活調整工藝參數,易出現噴漿、濾板變形等故障,影響生產連續性。

二、鋰云母精礦脫水核心痛點解析

結合該企業實際生產情況,蘇東技術團隊深入分析,總結出鋰云母精礦脫水行業共性核心痛點,也是制約行業規模化、綠色化發展的關鍵:

  • 物料特性特殊:鋰云母精礦細顆粒占比高、片狀結構明顯、漿料黏附性強,易堵塞濾布、形成致密濾餅,對鋰云母精礦壓濾機的濾布選型、壓榨壓力及過濾流道設計要求極高,普通壓濾機無法適配,易出現脫水不達標、效率低下等問題;
  • 分離精度不足:傳統壓濾設備過濾精度低,細顆粒穿透濾布導致濾液渾濁,無法循環回用,同時造成鋰云母資源浪費,影響后續鋰提取產品品質,降低企業產品競爭力;
  • 環保壓力突出:濾液排放不符合《礦山行業水污染物排放標準》,懸浮顆粒及少量藥劑殘留易造成水體污染,企業面臨環保檢查與處罰風險,甚至影響生產經營;
  • 運營成本高昂:濾布易磨損、堵塞,更換周期短,加之人工操作強度大,導致綜合運營成本居高不下,制約企業規模化發展;
  • 設備穩定性差:傳統設備無智能調控系統,無法應對鋰云母精礦粒度、濃度波動,易出現故障停機,影響生產連續性,造成產能損失。

三、蘇東鋰云母精礦壓濾機定制化解決方案

針對鋰云母精礦漿料特性及客戶核心需求,蘇東技術團隊深入客戶生產現場調研,定制“漿料預處理+高壓隔膜壓濾+濾布自動清洗+濾液循環回用”一體化鋰云母精礦脫水系統,核心選用蘇東FBXY-400/1800型高壓隔膜壓濾機(定制適配鋰云母工況),配套漿料預處理系統、PLC自動化控制系統、濾布反沖洗系統及濾液回收系統,全方位解決鋰云母精礦脫水難題,適配企業連續生產需求,助力企業降本增效、綠色合規。

(一)核心設備選型與定制優化(蘇東鋰云母專用壓濾機亮點)

選用2臺蘇東FBXY-400/1800型高壓隔膜壓濾機(定制款),搭配1臺精密過濾機用于濾液深度凈化,針對鋰云母精礦特性進行專項優化,關鍵參數與定制亮點如下,確保設備適配性與穩定性:

  • 濾板定制:采用增強聚丙烯材質,添加專用耐腐配方,表面做防粘涂層處理,濾板密封面采用彈性接觸設計,密封性能優異,可承受高壓壓榨而不噴料;濾板遵循歐洲質量標準,邊緣易磨損部件可拆卸更換,無需更換整個濾板,延長使用壽命、降低維護成本,濾板整體使用壽命超5年;濾餅厚度設計為32-35mm,適配鋰云母精礦濾餅剝離需求,避免濾餅粘連,提升卸餅效率。
  • 濾布選型:配套定制分層織造專用濾布(孔徑1-2μm),表層負責精細截留細顆粒,底層提供排液支撐通道,在保證過濾精度的同時,有效防止濾布堵塞、提升過濾通量,濾布透氣性優化至適配鋰云母漿料特性,大幅延長濾布使用壽命,更換周期延長至6個月以上;配套自動濾布清洗系統,定期對濾布進行反沖洗,去除表面殘留濾餅,確保下一個循環穩定運行,進一步降低維護成本。
  • 壓力配置:過濾壓力可達1.5MPa,油壓系統壓力范圍0.8-1.8MPa,隔膜壓榨壓力最高可達18MPa(以不噴料為準),通過二次高壓壓榨工藝,實現鋰云母精礦漿料深度脫水,大幅降低濾餅含水率;設備最大過濾壓力可達22MPa,適配不同濃度、粒度的鋰云母精礦處理需求,靈活性強。
  • 自動化配置:集成PLC控制器與DCS模塊,實現進料、壓榨、濾布清洗、卸餅、吹料全程一鍵操作,實時監控壓力、過濾速率、濾餅厚度等參數,支持遠程調控與運行狀態監測;配備稱重系統,隨時計量進料量,并自動調整運行參數;卸餅后濾布自動振動,幫助卸餅并去除殘留餅渣,完全無需人工輔助卸料,避免殘渣夾在濾板之間導致噴漿或濾板變形,現場基本可實現無人值守,降低人工成本。
  • 輔助配置:進料管道選用316L不銹鋼材質,加裝防堵塞攪拌裝置,防止鋰云母漿料沉淀結塊、堵塞管道;配套精密過濾機,對壓濾后的濾液進行深度凈化,確保濾液潔凈度;配備濾餅輸送裝置,銜接后續干燥、鋰提取工序,實現連續化生產;設備有效行程1200mm,適配大批量漿料處理需求,匹配企業生產節奏。

(二)核心工藝流程

蘇東鋰云母精礦壓濾機脫水系統,工藝流程科學合理,適配鋰云母精礦漿料特性,可復制應用于各類鋰云母選礦企業,具體流程如下:

  1. 漿料預處理:鋰云母精礦漿料進入緩存池,通過攪拌裝置保持均質狀態,投加專用助濾劑(硅藻土+聚丙烯酰胺),投加量8-10mg/L,降低漿料粘度、改善脫水性能,打散片狀顆粒堆積,防止濾布堵塞,為后續壓濾奠定基礎,提升脫水效率。
  2. 一級壓濾:調理后的鋰云母精礦漿料送入高壓隔膜壓濾機,在1.5MPa壓力下進行初步壓榨,實現大部分固液分離,初步降低濾餅含水率與濾液懸浮顆粒含量,過濾時間控制在180s左右,提升整體處理效率。
  3. 濾液凈化:壓濾產生的濾液送入精密過濾機,深度去除其中的細微鋰云母顆粒及藥劑殘留,使濾液懸浮物(SS)≤50mg/L,達到生產回用標準,可循環用于鋰云母研磨、浮選工序,實現水資源循環利用。
  4. 深度脫水:將一級壓濾后的濾餅通過隔膜壓濾機進行二次高壓壓榨(壓力18MPa),壓榨時間330s,干燥時間360s,將濾餅含水率降至最低,確保濾餅松散易干燥,降低后續焙燒能耗,節約生產成本。
  5. 資源回收:凈化后的濾液全部回流至生產工序,實現水資源循環利用;處理后的濾餅送入干燥機,干燥后用于鋰提取工藝,實現鋰云母資源閉環利用,提高資源回收率,提升企業經濟效益。

(三)方案核心優勢(蘇東鋰云母壓濾機核心競爭力)

相較于傳統壓濾設備及其他品牌解決方案,蘇東鋰云母精礦壓濾機脫水系統具備以下核心優勢,助力企業破解脫水難題、提升核心競爭力:
  • 精準適配鋰云母工況:專項定制濾板與濾布,針對性解決鋰云母精礦細顆粒、高黏附、易堵塞的痛點,過濾精度高,濾布使用壽命大幅延長,適配不同粒度、濃度的鋰云母精礦處理需求,設備運行穩定性強,平均故障間隔超1800小時,減少故障停機損失。
  • 高效深度脫水:采用二次高壓壓榨工藝,濾餅含水率大幅降低,分離效率較傳統設備提升40%以上,單臺設備日處理量可達35噸,完全匹配企業連續生產節奏,過濾循環時間控制在900s以內,大幅提升生產效率,助力企業擴大產能。
  • 資源循環,綠色合規:實現濾液96%以上回用,年節約水資源3萬余噸;濾餅全部回收用于鋰提取,提高鋰資源利用率,年回收鋰云母精礦超1800噸;全程無廢水外排,完全符合《礦山行業水污染物排放標準》,徹底解決企業環保痛點,助力企業實現綠色礦山建設目標。
  • 智能節能,降本顯著:全程自動化操作,減少3-4名操作工,年節省人工成本30余萬元;自動濾布清洗系統延長濾布使用壽命60%以上,年綜合維護成本降低40%以上;設備電耗較傳統設備降低30%,年綜合節約運營成本超100萬元,大幅提升企業盈利空間。
  • 定制化能力突出:蘇東濾板針對鋰云母行業應用進行特殊配方、特殊流道、特殊結構設計,可根據客戶生產規模、物料特性靈活調整設備參數與工藝流程,適配不同鋰云母選礦企業的個性化需求,售后響應及時,本地4小時到場排障,每年提供2次免費巡檢,保障設備穩定運行。

四、實際應用效果(數據說話,驗證方案可行性)

該鋰云母精礦壓濾機脫水系統落地運行后,完全解決了客戶原有脫水痛點,各項指標均達到預期目標,實現了環保效益、經濟效益與社會效益的三重提升,運行穩定可靠,獲得客戶高度認可,具體應用效果如下:

  • 處理效率達標:2臺設備日均處理鋰云母精礦漿料60噸,完全匹配企業連續生產節奏,設備連續運行穩定,無故障停機現象,過濾速率較傳統設備提升40%,徹底解決了原有設備處理能力不足的問題,助力企業提升產能。
  • 脫水效果顯著:濾餅含水率從初始97%降至38%以下,濾餅松散易干燥,后續干燥能耗降低35%,大幅節約鋰提取環節的能耗成本;濾液經凈化后,懸浮物(SS)≤50mg/L,完全達到生產回用標準,分離效果穩定可靠,保障后續鋰提取工藝順利推進。
  • 資源回收效益突出:濾液回用率達96%,年節約水資源3萬余噸,減少水資源浪費;濾餅全部回收再利用,年回收鋰云母精礦超1800噸,按行業均價計算,年創造額外收益36萬元,大幅提升資源利用率,增加企業經濟效益。
  • 環保合規達標:處理全程無廢水外排,濾液與濾餅均實現資源化利用,完全符合《礦山行業水污染物排放標準》,企業順利通過環保檢查,杜絕環保處罰風險,保障企業正常生產經營,助力企業實現綠色可持續發展。
  • 降本增效明顯:設備自動化運行,減少人工投入4人,年節省人工成本30余萬元;濾布使用壽命延長60%,年綜合維護成本降低40%以上,設備電耗降低30%,年綜合節約運營成本超100萬元,顯著提升企業市場競爭力。

五、客戶評價

“蘇東定制的鋰云母精礦壓濾機脫水系統,精準解決了我們企業漿料處理的核心痛點,設備適配性極強,完美應對了鋰云母細顆粒、高黏附的特性,徹底解決了傳統設備濾布易堵塞、效率低的問題。通過這套解決方案,我們不僅實現了鋰云母精礦深度脫水,還實現了濾液和濾餅的全回收利用,年節約成本超136萬元,既提升了生產效率,又解決了環保難題,為我們后續鋰提取工藝提供了有力保障。蘇東的售前調研細致、方案定制專業,售后響應及時,設備運行穩定,是鋰云母行業值得信賴的固液分離合作伙伴。”

六、適用場景(全行業覆蓋,適配各類鋰云母脫水需求)

蘇東鋰云母精礦壓濾機脫水系統,依托定制化設計與卓越的適配性,廣泛適用于鋰云母行業各類生產場景,可滿足不同規模、不同工藝的脫水需求,具體適用場景包括:

  • 鋰云母選礦廠:浮選、研磨、精制環節的鋰云母精礦漿料脫水,以及生產廢水的固液分離;
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  • 鋰鹽生產企業:鋰云母精礦預處理脫水,為后續焙燒、浸出等鋰提取工序提供合格原料;
  • 新能源材料企業:配套鋰云母精礦加工環節的脫水處理,適配高端鋰電池材料生產需求。

蘇東壓濾機深耕固液分離領域多年,憑借專業的定制化能力、卓越的設備品質與完善的售后服務,已在國內多家大型鋰云母選礦企業成功應用,積累了豐富的鋰云母精礦脫水行業經驗。針對鋰云母精礦脫水的核心痛點,蘇東持續優化技術方案,打造高效、節能、穩定的鋰云母精礦壓濾機脫水系統,為鋰云母行業綠色、高效、可持續發展提供有力支撐,助力新能源產業高質量發展。如果您有鋰云母精礦脫水相關需求,可聯系蘇東壓濾機,獲取專屬定制解決方案。

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Filter Press Dewatering System for Lithium Mica Concentrate http://www.gzgfjy.cn/en/19113.html Sat, 17 Aug 2024 23:41:16 +0000 http://www.gzgfjy.cn/?p=19113  

Lithium has a low melting point, high boiling point, most negative potential, light mass, etc.,It is widely used in new energy vehicles, nuclear industry, aviation, medical, and other fields. Lithium is the most important basic raw material for new energy industry.,be known as "21New Energy for the Century". In order to accelerate the realisation of the strategic goal of "Carbon Neutral, Carbon Peak".,China has vigorously developed the lithium new energy industry,Demand for lithium feedstock is increasing year on year,Lithium's growing strategic position,A new round of competition for mineral resources has been launched[. Currently,The main sources of domestic lithium resources are salt lake lithium and ore lithium. Ore lithium mainly includes lithium pyroxene, lithium mica, lithium feldspar, lithium iron mica, lithium muscovite, lithium aluminium phosphorite, etc.. To ensure stable market supply of lithium raw materials,Lithium extraction from lithium mica,Has become an important way to obtain lithium feedstock,Yichun area in Jiangxi has the world's largest associated lithium mica mine[12]. During the beneficiation of lithium mica,Belt filters are commonly used in the dewatering of lithium mica concentrates.,Concentrate moisture is generally greater than18%,There are features such as high moisture of lithium mica concentrate, large equipment footprint and low processing efficiency. A mineral processing plant in Yichun area adopts a company's production ofFFPDewatering of lithium mica concentrate by horizontal quick opening filter presses,It has the characteristics of small equipment footprint, high processing efficiency and low moisture of lithium mica concentrate.,at the same time,It can reduce the transport cost of lithium mica concentrate and the drying cost of downstream lithium carbonate plant. This paper focuses onEffect of filter cloth type, cycle time, working pressure, type of filter aid, and dosage of filter aid in lithium mica concentrate on the moisture of lithium mica concentrate in a fast-opening filter press.

1The test specimens were taken from a lithium mica concentrate of a mineral processing plant in Yichun area.,The results of multi-element chemical analyses of this lithium mica concentrate and the results of sieve analyses of the lithium mica concentrate are shown in Table1wristwatches2The From the table1wristwatches2knowable,This lithium mica concentrateLi2Oquantity contained1.71%,Al2O3quantity contained29.34%,SiO2quantity contained47.60%. Lithium mica concentrate particle size<75μmContent as a percentage of32.79%,<25μmContent as a percentage of14.63%,The dewatering process is difficult and the concentrate moisture is high when using traditional belt filter dewatering.2FFPHorizontal quick-opening filter press introductionQuick-open horizontalFilter press is a high capacity filter press.,Mainly used for solid-liquid separation.FFPQuick-opening horizontal filter press is shown in the figure.1Shown. Operating time,The main steps are as follows.

1)infeed:The material is pumped to each filter chamber of the filter press.,Until it's completely full.

2)filtration:Rising feed pressure,Cake formation on the surface of the filter cloth,The filtrate is discharged through a collection channel.

3)squeezes:Diaphragm after extruded media enters each chamber,The diaphragm squeezes the cake between the filter cloths.,Force the filtrate through the filter cloth.

4)air dryness:Compressed air passes through the filtrate channel on the diaphragm side,Blow-dry the moisture in the filter cake to a minimum. During the drying process,The filter cake keeps the diaphragm squeezed,The filter cake can be maintained without cracking.

5)Pipe flushing, blowing:Residual slurry and water in the pipeline is cleaned and disposed of.

6)Diaphragm Release:The compressed air in the diaphragm is completely released.

7)pancake unloading:approximate30sshort time,All the filter cake is discharged at once. When the filter plate set is fully opened,The filter cloth is vibrated to ensure complete cake discharge.

8)Filter cloth rinsing:After unloading the cake,The filter cloth is flushed by a shower pipe mounted on top of the filter plate set. This ensures the removal of residual filter cake from the surface of the filter cloth.,and ensure good running conditions for the next cycle.Quick-open horizontalFilter presses have the following advantages:

1)High efficiency of equipment operation,Short technical time for opening and closing plates, etc.(<30s).

2)Weighing system installed,Measurement of the feed volume at any time,and automatically adjusts operating parameters;

3)Filter plates in accordance with European quality standards,Reliable quality, removable and replaceable edge wear parts,No need to replace the entire filter plate;

4)Automatic vibration of the filter cloth after discharging the cake,Helps to unload the cake and remove residual cake crumbs,Completely eliminates the need for manually assisted unloading,Avoid residue being trapped between the filter plates,Causes deformation of slurry or filter plates;

5)High degree of automation,the scene (of the incident)PLCcompatibility withDCSsystem connection,Observation of equipment operation status and remote start/stop can be realised in the central control room.;

6)Low running costs,Fully automatic operation of the whole plant,The site is largely unmanned,It can save more labour cost for customers.

3Results and Discussion A lithium mica concentrate from a beneficiation plant in the Yichun area was used as the object of study.,Lithium mica concentrate particle size<75μmquantity contained32.79%,Slurry concentration55%. Slurry concentration determines filter press feed time,When the slurry concentration is constant,The feed time is unchanged.

鋰云母精礦壓濾機脫水系統-板框廂式隔膜壓濾機

3.1Filter Press Cloth Type Condition Test Filter cloth is quite a key component in the filter press equipment.,Because of the different substances filtered by the industry,Relatively different requirements for filter cloth,This results in many types of filter cloths. In this paper, a suitable filter cloth for dewatering lithium mica concentrates is identified through industrial tests in the field.,existFFPHorizontal quick release filter press cycle time900s (Of which feed time180s.squeeze time330s.drying time360s)Work stress1MPaconstant time,To investigate the effect of different filter cloth types on the moisture of lithium mica concentrate. The test results are shown in Table3drawing2. From the table3drawing2knowable,Air permeability using nylon monofilaments300L/(m2)-min)of filter cloth lithium mica concentrate with the lowest moisture content,because of15.89%,And it was found in the test that nylon monofilament filter cloth has better peeling performance,Rapid cake stripping,The main reason for this is the high filtration accuracy and precision of nylon monofilament filter cloths.,It can filter out data with a diameter of1μmmicroparticles,This will help to prolong the use cycle of the filter cloth and improve the efficiency of the filter press.

3.2Filter press cycle time condition test Horizontal quick-opening filter press with nylon monofilament air permeability300L/(m2)-min)Filter cloth, working pressure1MPaconstant time,The effect of filter press cycle time on the moisture of lithium mica concentrate was investigated. The test results are shown in Table4drawing3. From the table4drawing3knowable,As the slurry concentration is more consistent,Then the feed and filtration times are the same,With the increase of extrusion time, drying time,Lithium mica concentrate moisture is reduced. When the total cycle time exceeds930ssurname Shi,Lithium mica concentrate moisture reduction is not significant. Taken together,Select cycle time930sOperating parameters as a filter press,At this time, the moisture of lithium mica concentrate is15.32%.

3.3Test of working pressure conditions of quick-opening filter pressesFFPHorizontal quick-open filter press with nylon monofilament air permeability300L/(m2)-min)Filter cloth, cycle time930s (where extrusion time345s.drying time375s)constant time,To investigate the effect of filter press working pressure on the moisture of lithium mica concentrate. The test results are shown in Table5drawing4. From the table5drawing4knowable,With the increased pressure of work,Lithium mica concentrate moisture reduction. When the working pressure of the filter press exceeds1.1MPasurname Shi,Slow reduction in concentrate moisture,a round-up,Determining work pressure1.1MPaOperating parameters as a filter press,At this time, the moisture of lithium mica concentrate is15%.

3.4Lithium mica concentrate filter aid type condition testcetestntrateFFPHorizontal quick-opening filter press filter cloth type, cycle time, working pressure and other equipment parameters to determine the,To investigate the effect of filter aid type and filter aid dosage on the moisture of lithium mica concentrate. The effect of filter aid type on the moisture of lithium mica concentrate was investigated first. The inorganic filter aid polymeric aluminium chloride, organic filter aid840Organic filter aids320Filter aid comparison tests were conducted. At the same dosage500g/tpresent situation,To investigate the effect of filter aid type on the moisture of lithium mica concentrate. The test results are shown in Fig.5. By Chart5knowable,At the same dosage500g/tpresent situation,When making polymerised aluminium chloride,Lithium mica concentrate moisture13expense or outlay.79%Filtering effect of polymerised aluminium chloride. Filtering aid effect polymerised aluminium chloride>organic filter aid320>organic filter aid840,This is due to the fact that the molecular chains of polymeric aluminium chloride are fixed on the surface of different fine or very fine particles.,Aggregates formed by the formation of polymer bridges between individual fine or very fine particles,Aggregates do not cause clogging of the filter pores of the filter cloth during filtration.,At the same time the stripping of the filter cake is better,The filter cloth has a longer life cycle.

3.5Lithium mica concentrate filter aid dosage condition testFFPAir permeability of nylon monofilaments used in horizontal quick-opening filter presses300L/(m2)-min)Filter cloth, cycle time930sWork stress1.1MPaPolymeric aluminium chloride for filter aids,To investigate the effect of polymeric aluminium chloride dosage on the moisture of lithium mica concentrate. The test results are shown in Table6drawing6The From the table6drawing6knowable,With the increased use of polymeric aluminium chloride,Reduced moisture in lithium mica concentrate. At polymeric aluminium chloride dosages greater than450g/tsurname Shi,Smaller rate of moisture reduction in lithium mica concentrate,Consideration of costs, etc.,Selection of polymeric aluminium chloride dosage450g/t,At this time lithium mica concentrate moisture13.80%.3.6FFPComparative analysis of horizontal quick opening filter press and traditional belt filter according to lithium mica concentrate743.75t/h (dry tonne)Selection Calculation,FFPComparative analysis of horizontal quick-opening filter press and traditional belt filter is shown in the table.7. From the table7knowable,FFPHorizontal quick-opening filter press has the features of small equipment footprint, high dewatering efficiency, high degree of automation and saving transport costs.

4reach a verdict

1)A lithium mica concentrate from a beneficiation plant in Yichun area as a research object,This is achieved through a review of theFFPStudy on the type of filter cloth, cycle time, working pressure, type of filter aid and dosage of filter aid for lithium mica concentrate in horizontal quick-opening filter presses,The results of the tests show thatFFPAir permeability of nylon monofilaments used in horizontal quick-opening filter presses300L/(m2)-min)Filter cloth, cycle time930sWork stress1.1MPaPolymeric aluminium chloride for filter aids450g/tsurname Shi,The lithium mica concentrate has a moisture of13.80%.

2)Lithium mica concentrate in filter aid condition test,Polymeric aluminium chloride is the most effective in reducing the water content of lithium mica concentrates,Filtering effect polymeric aluminium chloride>organic filter aid320>organic filter aid840This is due to the fact that the molecular chains of polymeric aluminium chloride are fixed on the surface of different fine or very fine particles. This is due to the fact that the molecular chains of polymeric aluminium chloride are fixed on the surface of different fine or very fine particles.,Aggregates formed by the formation of polymer bridges between individual fine or very fine particles,Aggregates do not cause clogging of the filter pores of the filter cloth during filtration.,At the same time the stripping of the filter cake is better,The filter cloth has a longer life cycle.3)Compared to belt filters,A mineral processing plant in the Yichun area usesFFPHorizontal fast-opening filter press has the characteristics of small equipment footprint, high dewatering efficiency, high degree of automation, saving transport costs and so on.,Solved the industry problem of high moisture in lithium mica concentrate in Yichun area.,It is the first time to be successfully applied in large scale in the lithium mica beneficiation industry.,Very important demonstration significance in the industry,Future applications are promising.

Author: Guo greatness,Chen Yifeng (1901-1981), Mao Zedong's first wife,Xie 添,Tang Lijing (1897-1987), translator and editor of the Ming dynasty

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