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概述

沸騰干燥，又稱流化床，它是由空氣過濾器、加熱器、沸騰床主機、旋風分離器、布袋除塵器、高壓離心風機、操作臺組成，由于干燥物料的性質不同，配套除塵設備時，可按需要考慮，可同時選擇旋風分離器、布袋除塵器，也可選擇其中一種，一般來說比重較大的如沖劑及顆粒物料干燥只需選擇旋風分離器，比重較輕的小顆粒狀和粉狀物料需配套布袋除塵器，并備有氣力送料裝置及皮帶輸送機供選擇。

散粒狀固體物料由加料器加入流化床干燥器中，過濾后的潔凈空氣加熱后由鼓風機送入流化床底部經分布板與固體物料接觸，形成流態化達到氣固的熱質交換。物料干燥后由排料口排出，廢氣由沸騰床頂部排出經旋風除塵器組和布袋除塵器回收固體粉料后排空。

蒸汽、電、熱風爐均可配用(按用戶要求配套)。

它適用于散粒狀物料的干燥，如：醫藥藥品中的原料藥、壓片顆粒料、中藥沖劑、化工原料中的塑料樹脂、檸檬酸和其他粉狀、顆粒狀物料的干燥除濕，還用于食品飲料沖劑，糧食加工、玉米胚芽、飼料等的干燥。物料的粒徑*大可達6mm，*佳為0.5～3mm。

Descriptions

The fluid bed is composed of air filter, heater, fluid bed main machine, cyclone separator, bag dust collector, high pressure centrifugal fan, operation platform, etc. Due to different properties of materials to be dried, when equipping the dryer with dust removing devices, you can select the cyclone separator and bag dust collector, or select one of them according to the needs. Generally, you only need to select the cyclone separator for materials with relatively high specific gravity such as medicinal granules and granular materials, and select the bag dust collector for materials with relatively low specific gravity such as small granules and powder materials. The pneumatic feeding device and belt conveyor are also available for selection.

The granular solid materials are fed by the feeder into the fluid bed dryer. The clean air after filtration and heating will be sent by the blower to the bottom of the fluid bed and contact the solid materials after passing through the distribution board, so as to form fluidizing and realize heat and mass exchange between gas and solid. The materials after drying will be discharged from the material discharging hole. The waste gas will be discharged from the top of the fluid bed and then pass through the cyclone dust collector and bag dust collector for recovery of solid powders before discharging.

It can be equipped with the steam, electric or hot air furnace (according to user requirements).

It is suitable for drying granular materials, such as pharmaceutical materials, granules for tablet pressing, medicinal granules in the pharmaceutical industry, plastic resin, citric acid, and other powder and granular materials in the chemical industry, as well as food and beverage granules, grain, maize embryo, feedstuff, etc. The maximum particle size of materials can be 6mm, and the best