bag turning centrifuge

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1. Equipment overview: FWZ bag-turning automatic centrifuge is a brand new centrifugal filtration equipment that can replace imported, high performance, automatic discharge and intermittent operation. It meets GMP specifications and is suitable for filtration and separation in pharmaceutical, chemical, food and other industries. It has the unique advantages of fully automatic program control, cycle operation, automatic unloading, and no pollution to materials. 2. Working principle: The bag-turning automatic centrifuge structurally separates the rotating components of the traditional horizontal centrifuge into two parts: an inner and an outer shaft system that rotate synchronously. The outer shaft system is axially fixed, and the inner shaft system can move axially under the action of an ingenious mechanical device. The filter cloth is bag-shaped, with one end fixed to the big end of the drum of the outer shaft system, and the other end fixed to the small end of the push plate of the inner shaft system. During separation, the filtrate passes through the filter cloth and drum under the action of centrifugal force, and the solids are intercepted by the filter cloth and form a filter cake. ； When unloading, under the action of the synchronous rotating cylinder (or mechanical device), the inner shaft system is pushed out along the axial direction and drives the filter bag to turn over. At the same time, the filter cake unloading and filter cloth regeneration operations are completed. Retract the inner shaft system and lock it to enter the next working cycle. This type of centrifuge is an intermittent filter centrifuge. It uses the high-speed rotation of the drum to generate centrifugal force. The filtrate injected into the drum is separated through the filter cloth lining the drum. The filter residue remains in the drum and gradually forms a filter cake. The filter cake continues to thicken during the feeding process, and the filtrate is passed through The water outlet flows to the collector. After adding material until the filter cake reaches a certain thickness, stop adding material and then wash. After washing, increase the speed and spin dry at full speed until no liquid is discharged from the filtrate port. Then slow down to stop running. The centrifuge will turn over the filter bag and use centrifugal force to discharge the material through the discharge port. 3. Performance characteristics: ◆The equipment complies with Good Manufacturing Practice (GMP) and can achieve CIP cleaning in place. ； ◆The creative unloading method has no scraping or squeezing effect on the filter cake, which is beneficial to maintaining the shape of the filter cake particles. ； ◆The filter cloth can be well cleaned and regenerated, and there is no residual filter cake layer that will affect the next filtration. It has strong application value for materials that are extremely difficult to filter. ； ◆Fully sealed structure, fully flipped shell design, easy for thorough cleaning and inspection ； ◆The bag turning mechanism is realized by mechanical structure, and there is no pollution caused by the hydraulic operation of old machines. ； ◆Special elastic damping shock absorbers are used to actively reduce vibration. No foundation is required. It is ready to use. The machine operates smoothly and reliably. ； ◆Utilize PLC, computer touch screen, etc. to achieve full process program control and automatic operation. 4. Typical uses: The unique discharge method of sealed operation and no mechanical discharge mechanism for scraping and squeezing the filter cake makes this machine extremely valuable in solid-liquid separation situations where the shape and purity of solid phase crystalline particles need to be protected, and where the solid phase material is thixotropic. Its main application materials are: Aluminum hydroxide, aluminum oxide, allaquinoline, barium chloride, barium sulfate, calcium phosphate, calcium sulfate, carrot slices, celluloid, penicillin, PVC, silicic acid, silicon carbide, citric acid, cobalt acetate, caffeine, pigments, pharmaceuticals, ethylenediaminetetraacetic acid (EDTA), fungicides, guanidine carbonate , gypsum, hops, hydroxylamine, lactose, rare earth elements, magnesium silicate, manganese ore, nickel chloride, nickel nitrate, orange juice, PAS, pesticides, ascaris, potassium nitrate, potassium sulfate, quinidine, potassium cyanide, sodium aluminate, sodium nitrate, glycerin, thiourea, titanium oxide, tobacco foam, urea, yeast, etc. 5. Technical parameters: Model Drum diameter mm Rotation speed rpm Separation factor working capacity L Loading limit Kg Main motor power kW Overall dimensions length × width × height mm Weight Kg FWZ300-N 300 3000 1512 6.5 9 3 1800×750×1100 800 FWZ450-N 450 2300 1320 25 30 15 2000×950×1200 2000 FWZ600-N 600 1900 1210 50 60 22 3130×1200×1500 2500 FWZ800-N 800 1500 1000 120 150 37 4100×1400×2200 5000 FWZ1000-N 1000 1200 800 180 225 55 5300×2510×2510 8000