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閃蒸干燥機(jī)的詳細(xì)資料閃蒸干燥器的干燥已被脫水的或本質(zhì)上具有低的水分含量的固體是^經(jīng)濟(jì)的。也被稱為“氣機(jī)”，他們是^簡(jiǎn)單的氣體懸浮式干燥機(jī)^小的足跡。一個(gè)單一的操作提供了混合，傳熱和傳質(zhì)的固體干燥。干燥機(jī)內(nèi)的停留時(shí)間很短，通常不到三秒鐘，幾乎是即時(shí)的表面干燥。濕潤(rùn)，粉狀，粒狀，或結(jié)晶 排出的濕固體物質(zhì)從離心機(jī)，旋轉(zhuǎn)過(guò)濾器，和壓濾機(jī) 小顆粒尺寸 相當(dāng)干燥，易碎，和不發(fā)粘 由于的非常快速的干燥過(guò)程中，閃蒸干燥器是不適合于擴(kuò)散控制的干燥過(guò)程。圖1顯示了一個(gè)典型的干燥曲線，在固定床或流化床得到恒定的干燥速率的地方除去表面的水分被閃速干燥操作是理想的。沒有居住時(shí)間的要求，這個(gè)過(guò)程是嚴(yán)格控制熱輸入，干燥出現(xiàn)的“閃光”。操作相對(duì)簡(jiǎn)單， 小空間 一般要求較低的資本投資，而不是其他類型的機(jī) 熱敏感或易氧化的進(jìn)料加工的^佳選擇 產(chǎn)品庫(kù)存在閃存的干燥系統(tǒng)是非常低的 容易改變產(chǎn)品或產(chǎn)品的檔次，以^小的停機(jī)時(shí)間 控制閃存的干燥過(guò)程是非常簡(jiǎn)單 控制系統(tǒng)的反應(yīng)非常快，操作變化 閃蒸干燥系統(tǒng)的設(shè)計(jì)，原料和產(chǎn)品的特點(diǎn)，使用或允許的加熱源，操作安全要求的基礎(chǔ)上。可以設(shè)計(jì)這樣的系統(tǒng)，在一個(gè)封閉的循環(huán)配置適合的有機(jī)溶劑的蒸發(fā)，而不是水。是惰性的干燥氣體（通常為氮?dú)猓㈦S后被冷凝的閃蒸干燥機(jī)中的蒸發(fā)溶劑。減少運(yùn)行成本。 連續(xù)生產(chǎn)制度的機(jī)器沒有人情味。 干燥的濕蛋糕托盤的理想替代品。 Extramely粘性/糊狀的濕濾餅可以處理。 500目細(xì)的粒度是可以實(shí)現(xiàn)的。 低停留時(shí)間^短曝光聽到ratains原來(lái)的產(chǎn)品質(zhì)量。 在線粒度降低，無(wú)需單獨(dú)的粉碎機(jī)。 全自動(dòng) - 需要注意少運(yùn)行。 可忽略不計(jì)材料揚(yáng)塵。 產(chǎn)品降解或炭化。 專利設(shè)計(jì)的粉碎機(jī)，確保提供一致和均勻的粉末質(zhì)量的濕餅和熱空氣的均勻混合。 大批量處理 大型袋式除塵器的過(guò)濾面積，減少壓降，節(jié)省大量風(fēng)機(jī)的功率消耗。 測(cè)量壓力下降在不同地方方便容易troble的的拍攝和維護(hù)。我們的閃蒸干燥機(jī)是一種多功能的機(jī)器，為濕/的糊狀記者蛋糕的理想。我們列出下面的，在這里它可以被使用的工業(yè)。 化學(xué)品 - 無(wú)機(jī)和有機(jī) 農(nóng)藥和農(nóng)業(yè)化學(xué)品 染料和顏料，有機(jī)及無(wú)機(jī) 肥料，礦物的礦石Concentrares，技術(shù)陶瓷 食品工業(yè)，醫(yī)藥工業(yè)，農(nóng)業(yè)extraces盤式干燥機(jī)閃蒸干燥機(jī) 1。間歇式操作設(shè)備。 1。連續(xù)操作設(shè)備。 2。廣泛的勞動(dòng)為本，以勞動(dòng)是必需的變化，安排紙盒，粉碎等。 2。無(wú)需手動(dòng)處理參與，因此大量節(jié)省勞動(dòng)力成本。 3。操作需要單獨(dú)purverizing。 3。 Pulverzing和干燥操作同時(shí)發(fā)生。 4。由于大量的手動(dòng)處理大量的材料浪費(fèi)和粉塵的地方。 4。可忽略不計(jì)materail浪費(fèi)和灰塵的地方。 5。層的材料堆放在托盤中，加熱均勻不quaranteed，因此在產(chǎn)品質(zhì)量上的變化，含水率的可能性還是材質(zhì)的頂層越來(lái)越被燒焦的存在.. 5。材料解體uniformaly充分混合的熱空氣和飼料粉碎機(jī)，穩(wěn)定的產(chǎn)品質(zhì)量得到了保證。 6。系統(tǒng)追求效率是低的原因：低入口空氣溫度是必需的以避免炭化的材料，因此，熱效率低。 - 干燥時(shí)間是非常高的，大量的熱被排氣中的浪費(fèi)。 6。高系統(tǒng)效率，因?yàn)椋?- 高進(jìn)氣口溫度可由于設(shè)計(jì)獨(dú)特的籠式粉碎機(jī)型粉碎機(jī) - 低壓降的各個(gè)組成部分，需要較少的功率鼓風(fēng)機(jī) - 高效率的熱空氣發(fā)生器 - 全自動(dòng)廠。 7。材料所要傳達(dá)的從機(jī)purverizer，purverizer的，裝袋plant.This更多的人力需求和較高的材料浪費(fèi)。以下閃蒸干燥機(jī)袋式除塵器 7.No材料可以直接安裝coveying needed.bagging廠的。Details of Flash DryerFlash dryers are the most economical for drying solids that have been de-watered or inherently have a low moisture content. Also known as "pneumatic dryers," they are the simplest gas suspension dryers with the smallest footprint. A single operation provides mixing, heat transfer, and mass transfer to dry a solid. Residence time within the dryer is very short, usually less than three seconds, producing almost immediate surface drying.Moist, powdery, granular, or crystallized Wet solids discharged from centrifuges, rotary filters, and filter presses Small in particle size Reasonably dry, friable, and not sticky Due to the very rapid drying process, flash dryers are not suitable for diffusion-controlled drying processes. Figure 1 shows a typical drying curve as obtained in a fixed or fluidized bed; the constant drying-rate area where surface moisture is removed is ideal for the flash-drying operation. The process is strictly controlled by the heat input without a residence-time requirement; the drying occurs "in a flash".Relatively simple in operation Take little space Generally require lower capital investment than other types of dryers Excellent choice for processing heat-sensitive or easily oxidized feed materials Product inventory in the flash-drying system is very low Easy to change product or product grade with minimum downtime Control of the flash-drying process is very simple Control system responds very quickly to operational changes Flash drying systems are designed based on feed and product characteristics, available or permissible heating source, and operational safety requirements. Such systems can be designed in a closed-cycle arrangement suitable for evaporation of organic solvents rather than water. The drying gas is inert (typically nitrogen), and the solvent evaporated in the flash dryer is subsequently condensed.Reduced running cost. Continuous producation machine without human touch. Ideal replacement for tray drying of wet cakes. Extramely sticky/pasty wet cake can be handled . Particle size as fine as 500 mesh is achievable. Low residence time-minimum exposure to hear-ratains original product quality. On line particle size reduction-eliminating need of separate pulverizer. Fully automatic - needs little running attention. Negligible material dusting. No products degradation or charring . Proprietary design of disintegrator ensures uniform mixing of wet cake and hot air giving consistent and homogeneous powder quality. High volume processing Large filtering area of bag filter-reduced pressure drop -large savings in power consumption of blower. Measurement of pressure drops at various places facilitates easy troble shooting and maintenance.Our Flash Dryer is a versatile machine and ideal for wet/pasty press cakes. we list below industries where it can be used. Chemicals - Inorganic & Organic Pesticides and Agricultural Chemicals Dyestuff and pigments- Organic & Inorganic Fertilizers,mineral ore Concentrares,technical ceramics food industry,pharmaceutical industry , agricultural extracesTray DryerFlash Dryer 1. Batch Type Operation equipment. 1. Continuous Operation equipment. 2. Extensively labour oriented, as labour is required for changing, arranging trays, pulverizing etc. 2. No manual handling involved hence substantial saving in labour cost. 3. seperate purverizing operation needed. 3. Pulverzing and drying operation takes place simultaneously. 4. Due to considerable manual handling lot of material wastage and dusting takes place. 4. Negligible materail wastage and dusting takes place. 5. The material being stacked in layers in the tray, uniform heating is not quaranteed and hence variation in product quality , moisture content or the possibility of meterial in top layer getting charred exists.. 5. Material being disintegrated uniformaly and thorough mixing of hot air & feed in disintegrator , consistent product quality is ensured. 6. System effciency is low due to: -low inlet air temperature is required to avoid charring of material , hence low thermal efficiency.- Drying time is very high and much heat is wasted in the exhaust. 6.High system efficiency due to :- High inlet air temperature can be used due to unique design of cage mill type disintegrator.- Low pressure drops in various components,requiring less power for blowers.- High efficiency hot Air Generator.- Fully automatic plant. 7. Material has to be conveyed from dryer to purverizer,purverizer to bagging plant.This results in more manpower requirement and higher material wastage. 7.No material coveying needed.bagging plant can be installed directly below bag filter of flash dryer.將液體溶液添加到粉末中的過(guò)程涉及使用制粒流體對(duì)干燥的初級(jí)粉末顆粒的混合物進(jìn)行質(zhì)量處理。該流體包含必須揮發(fā)的溶劑，以便可以通過(guò)干燥將其除去，并且是無(wú)毒的。典型的液體包括水，乙醇和異丙醇，單獨(dú)或組合使用。液體溶液可以是水基（更安全）或溶劑基。??混入粉末中的水會(huì)在粉末顆粒之間形成粘結(jié)，粘結(jié)強(qiáng)度足以將它們離心噴霧干燥機(jī)作業(yè)中，干燥用熱風(fēng)進(jìn)入塔內(nèi)的溫度（熱風(fēng)溫度）與出口溫度（排風(fēng)溫度）的決定是很重要的。排風(fēng)溫度與產(chǎn)品的水分含量有關(guān)，應(yīng)按產(chǎn)品容許的水分來(lái)決定。熱風(fēng)溫度越高熱效率越高，經(jīng)濟(jì)性越好。但是過(guò)高的熱風(fēng)溫度會(huì)造成產(chǎn)品質(zhì)量變劣，因此熱風(fēng)溫度必須在保證產(chǎn)品質(zhì)量的前提下適當(dāng)提高。 離心噴霧干燥機(jī)熱風(fēng)溫 1.1從基礎(chǔ)真空干燥力學(xué)原理看雙錐回轉(zhuǎn)真空干燥機(jī)的影響因素
在真空干燥過(guò)程中，有如下因素制約著干燥速度：
1.1.1被干燥物料的狀況(如物料形狀、大小尺寸、堆置方法)，物料本身的含濕量、密度、粘度等性能。另外，若采用提高物料的初溫、農(nóng)藥干燥機(jī)與液體制劑相比，顆粒劑、片劑、膠囊劑等固體制劑物理、化學(xué)穩(wěn)定性更好，且生產(chǎn)制造成本更低，服用攜帶更方便，在藥物制劑中占比70%；據(jù)了解，固體制劑在生產(chǎn)過(guò)程中，相較于干法制粒，高效濕法混合農(nóng)藥干燥機(jī)等制粒設(shè)備發(fā)揮了更加重要的作用。????農(nóng)藥干燥機(jī)是在藥物粉末中加入液體粘合劑，靠粘合劑的架橋空心漿葉干燥機(jī)使用廣泛，用于食品、化工、石化、染料、工業(yè)污泥等領(lǐng)域。設(shè)備傳熱、冷卻、攪拌的特性使之可以完成以下單元操作：煅燒（低溫）、冷卻、干燥（溶劑回收）、加熱（融化）、反應(yīng)和滅菌。攪拌漿葉同時(shí)又是傳熱面，使單位有效容積內(nèi)傳熱面積增大，縮短了處理時(shí)間。楔型漿葉傳熱 |
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