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Mini Fluidized Lab Dryer Reactor - Mgm/Sino Chemtech1
Drying MachineDryerFluidized Bed Dryer
MGM Machinery Equipment Co.,Ltd.
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Product Description Product IntroductionThe machine adopts a fully enclosed form, with all components made of stainless steel and equipped with a three-level purification device. The filtered air meets the requirement of 100000 levels. The cylinder and top are equipped with a cold wall device to ensure a wall temperature of less than 80 oC. The drying tower is equipped with an air brush scanning device. After being dried by this machine, the traditional Chinese medicine extract powder will not experience coking and deterioration, greatly increasing the powder collection rate (over 95%), and will not produce mixing and wall sticking phenomena.Working principleThe high-speed centrifugal spray device for Chinese herbal extracts is the application of centrifugal spray drying technology in the drying of specific materials. It is also a drying device that uses high-speed centrifugal atomizers to disperse materials into mist, fully contact with hot air, complete instant drying, and form powder products. Structure diagram Performance characteristicsThe tower body has a cold air jacket;The tower body is equipped with an automatic rapping device;The tower body and pipeline are equipped with quick opening cleaning holes and sewage holes;It can be equipped with an automatic control constant temperature feeding tank;It can be equipped with manual high-pressure washing tower and accompanying accessories;The part in contact with the material is made of stainless steel material; (or made entirely of stainless steel);The material collection adopts a two-stage cyclone dust removal device, or a one-stage cyclone dust removal deviceCyclone dust collector and wet dust collector;Automatic control and continuous device for inlet air temperature.It can be equipped with an air scanning device. Technical specifications I. Basic Working Principle and Application:1. Basic Working PrincipleAir is filtered and heated, then enters the granulation chamber through the airflow distribution plate, causing the powder to suspend and form a fluidized state due to the combined action of airflow and gravity. Compressed air and binder enter the nozzle through their respective pipelines, and the binder is atomized into fine droplets at the nozzle, sprayed onto the fluidized powder to form granules. During this process, the left and right exhaust valves and cylinders periodically alternate to clean the powder adsorbed on the collection bag, allowing it to fall back into the granulation chamber, thus completing mixing, granulation, coating, and drying operations.1.1Top Spray: Combines fluidization and airflow transportation. The material in the material tank is pushed upward by the airflow from below, enters the expansion chamber, and is bonded by the slurry. Due to the increase in the diameter of the expansion chamber, the flow velocity decreases, and the fluidization state weakens. The material falls back into the material tank due to gravity, forming a reciprocating flow state from the material tank to the expansion chamber. Its characteristics are: reverse spray, long droplet travel.1.2 Bottom Spray: Combines fluidization and airflow transportation. Forms a central rising zone and a peripheral fluidization zone. The material in the central zone is pushed upward by the airflow, moves to the expansion chamber to form the rising zone, and falls into the peripheral zone when gravity overcomes the gradually weakening thrust, forming a reciprocating flow state from the center to the periphery, changing random fluidization into regular flow. Its characteristics are: co-directional spray, nozzle buried in the material, short droplet travel; high probability of granules passing through the spray mist; high density of granules in the spray area.2. ApplicationThis equipment is suitable for mixing, granulating, coating and drying of powder materials. It is widely used in the fields of pharmacy, food, chemical industry, agriculture, forestry, etc. It is the granulating, drying and coating equipment widely used in the international market at present. Because of its different characteristics, it has its own focus in the application.2.1 Top spraying: granulation and drying Suitable for heat-sensitive materials, high efficiency and uniform drying; granulation: quick dissolution, low hardness, low bulk density, wide particle size distribution, fluffy and porous, good fluidity, easy to disintegrate and dissolve; coating: coloring, masking taste, moisture-proofing and improving appearance.2.2Bottom spraying: Coating Coating of polymerized materials with water solvent or organic solvent in ordinary film; less adhesion of materials, less evaporation of solvent, suitable for coating of organic solution, slow-release or controlled-release coating, enteric coating, coating of microfine particles, and wrapping dressing layer of active drugs.The composition of the equipment, the main structure and materials1.Equipment CompositionThis machine is an experimental model, and the structure is in the form of single machine structure. The whole machine consists of modular process cylinder, chassis, atomization system, control system components.1.1 Host cylinder: capture chamber, diffusion chamber, top spray container, bottom spray container seat.1.2 Chassis: air inlet filtration system, heating system, induced anechoic system, connecting pipeline, electronic control board located in the chassis, touch-screen operating panel.1.3 atomization system: liquid spray gun, peristaltic pump.1.4 Control system: PLC programmable controller, complete sets of electrical appliances, pneumatic components, touch screen 2,Main structure and material2.1 Each modularized container can be interchanged according to the process needs.2.2 Top spray container: equipped with atomizer fast mounting seat, observation sight glass, conical structure, material: SS304.2.3 Bottom spray container: the atomizer is installed in the center of the airflow distribution board on the bed and sprayed upward, and the container has a built-in deflector.Material: SS304.2.4 Capture chamber: pneumatic bag cleaning mechanism, material: SUS304; filter cloth CCP anti-static cloth.2.5 Chassis: welded from steel, covered with stainless steel plate, containing mechanical and electrical control components, Material: A3/SUS304.2.6 atomization system: spray gun using two-fluid spray gun, material: SUS304, liquid supply pump for constant flow peristaltic pump2.7 Air filtration: primary and secondary filtration, material: SUS304, CCP cloth.2.8 Heater: heat exchange adopts electric heating method, material: SUS304.2.9 Fan: air pressure and air volume are adjusted by frequency conversion, which can accurately and effectively control the fluidization state.2.10 Control system: PLC programmable controller, complete sets of electrical appliances, pneumatic components, touch screen set in the chassis panel. Main performance characteristics1. Compact structure, beautiful appearance, easy to clean and maintain.2. Modularized structure form, a machine with a variety of functions.3. The fluidized bed of the air distribution sieve plate opening shape, distribution status, opening rate of the elaborate design, so that the air distribution has been greatly improved, prompting the material according to the needs of the process and full or orderly fluidization, improve the adaptability of the equipment to the material varieties.4. The host adopts the air top sealing mechanism to ensure the sealing effect, to avoid the failure to remove the adsorbed powder on the catch bag due to leakage, resulting in air duct obstruction, destroying the state of fluidization, which leads to an increase in the content of fine powder, or unable to complete the process operation (bed collapse phenomenon).5. The atomizer is easy to install and disassemble, with good atomization effect, which is conducive to the needs of the granulation process.6. Control system: reasonable configuration according to the needs of the system. PLC programmable control, man-machine interface operating system, can set and online adjustment process operating parameters and display equipment operation, actual work parameters. Fan frequency adjustment, can accurately and effectively control the fluidization state, reduce operating costs, reliability, operability and maintainability, simple, intuitive, easy to grasp. Technical Parameters ModelItemLDP-1.5Production capacity (Kg/batch)1.5Material yield (%)≥99Finished product moisture content (%)Up to 5-0.5Working volume (L)7Cylinder diameter (mm)Φ300Blower power(Kw)3Electric heating power(kw)3Compressed air pressure (Mpa)0.4-0.6Compressed air consumption (m3/min)0.6Operating temperature (oC)Normal temperature - 100oCadjustableProduct main dimensions (L×W×H mm)1300mm*1000*2562 V. Configuration Name Material Specification Remarks intake system Air inlet ductSS304δ=1.5/2 Primary filter Stainless steelMatching Grade G4Middle Efficiency Filter Fiber ClothMatching Grade FB8High temperature and high efficiency filter MatchingGrade H13Air inlet system heating boxSS304δ=1.5/2Double-layer heat preservation and insulationElectric heaterSS3043kwFor heatingAir inlet temperature sensorSS304PT100Online detection of the inlet air temperature display and automatic control of the inlet air temperature, control on the PLC bottom cylinderEjector sectionSS304δ=3mm Lifting cylinders Sc63*100PLC controlsewerage equipmentSS304Φ22 Pneumatic sealssilicone rubberMatchingPLC control for jacking seals drying bedHopperSS304δ=3mm FlangesSS304δ=18mm Material temperature sensor PT100 Online monitoring of material temperatureSight glassreinforced glassMatchingOnline observation of material productionExplosion proof samplerSS304 Online monitoring of material results Center cylinder (diffusion chamber)CylinderSS304δ=3mm FlangeSS304δ=18mm Sight glassreinforced glass Spotlights Matching head cylinderHeadSS304δ=3mm Soot cleaning cylinder Sc32*150Alternating left and right ash cleaning, PLC controlDamper cylinder Sc32*1002, according to the setting, the left and right alternately closed, realize the bag in the state of no convection cleaning dustBag filter CCP FabricAntistatic 2setCapture the dust and make it fall into the fluidized bed to continue granulation.Exhaust air temperature sensorSS304PT100 Detect the temperature of inlet air exhaust system Exhaust ductSS304Φ159δ=1.5mm For exhaust gas discharge Exhaust air valve Φ120 Induced draft fan 3kwPLC frequency conversion control Frequency converter 3kw Frequency conversion adjustment of air volume peristaltic pump BT100mm/1515BT100mm/1515 single tube Peristaltic Pump Silicone TubingRubber16 # Pneumatic ComponentsPressure RegulatorsAR-2000 Regulating compressed air pressure RegulatorAR-2000 Manual pressure reducing valve to adjust the atomization pressure Oil-water separatorAR-2000Adjustment of the pressure levelSeparates water and oil from compressed air Ejector CylinderSc63*100 PLC control Dampers cylinderSc32*100 Realization of bag cleaning under no convection conditionAsh cleaning cylinderSc32*150 2, alternating left and right cleaning according to the setting, PLC control electronically controlControl cabinetδ=1.5 Touch screen7 inch PLC programmable controllerLGcan display all parametersElectrical components Full set Note:The actual external dimensions can be determined based on the customer's actual situation, and the above dimensions are for reference only.The above evaporation capacity is the upper limit of evaporation capacity.
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