The second step in the design sequence is the mechanical design of the mixer components. Once this mixture is mixed it may require agitation to keep the mixture in the proper mixed state. Reactor design with agitator shaft using cadempvd duration. Design and implementation of differential agitators to. Proper and uniform mixing gives improved quality of the product. Sustainable agitator and reactor design for demanding. Agitator is one of the important parts in the mixing process. Several standard designs materials to match the vessel. In addition to agitator parameters and the slurry tankvessel geometry, the properties of both the liquid and the solid particles influence the fluidparticle hydrodynamics and, thus, the suspension. The first step is process design from a chemical viewpoint and involves the specification of the impeller pattern, speed, temperature and blade angle etc. Basic guidelines for design of slurry mixing agitators. Mechanical agitator power requirements for liquid batches.
This allows you to maintain higher flow rates, run the agitatorplus system on rigs with limited pump pressure. If an agitator is centermounted in an unbaffled cylindrical tank, it produces a swirling motion, which is very inefficient. Types of agitators, agitator s design and significance pharma today i gonna give you a description that limits upto my knowledge, and most of you may find it useful, about the industrial agitators, types of agitators. Mixing refers to the actual stirring of different liquids andor materials to blend them together into an end product or mixture. Calculates agitator speed and power requirement for a given reactor geometry and mixture properties. Proquip z series topentry tank agitators combine the strength and power of worm gear plus the efficiency of a helical or spiral bevel gear. Our core business was and is the technical design and production. Introducing or discovering the types of agitators in pharma field is certainly a revolution because different agitators will have different purposes and different advantages, but most commonly used agitators are anchor, propeller, turbine, paddle etc. As an example, imagine two particles swirling in a circular motion, they will always be chasing each other and will not mix. Jun 19, 2011 agitator components mainly include impeller, shaft, gear box and drive motor suitably designed for meeting the process requirement. These relative proportions form the basis of the major correlations of agitation performance from various studies. We design and manufacture a wide range of liquid agitators and slurries for all processes in the pharmaceutical, chemical, food, cosmetic and similar industries. Design of a mechanical agitator for supplementing paint.
Redesign and structural analysis of agitator shaft for. Designing for anomalies the first step in assessing a design is to calculate the power and torque absorbed by the proposed agitator. Agitatormixers providing tools for research and industry at a glance. The design is recommended to be used to develop the agitator to remove the drudgery of human folk in mixhomogenizing paint in massive tanks to desired consistent properties before blending it with additives in standard facility prior to painting to avoid inconsistencies in the requisite blend properties and consequent paintwork costs. The design of the impellers, the selection of a suitable mixing system, as well as the arrangement of the individual components on the agitator have a decisive influence on the process engineering and mechanical properties. Report agitator selection please fill this form, we will try to respond as soon as possible. This process keeps the solid particles moving just above the bottom of the vessel preventing the settling of solids. Design specification of the motor is then determined by. Custom engineering of impeller design can be performed based on developed horsepower, viscosity, critical speed and other key factors associated with specific processes. The mixing arena is the boxing ring where chemist and chemical engineer fight in the work done. Agitator design and selection standard engineers vineet. The work is carried out to reduce deflection by optimizing the design or by using different materials like ss, ss304 and ss305. The differential agitator is an electro mechanic set consists of. The fundamental approach is straightforward, design for power torque and speed, then shaft loads, and finally mixer dynamics.
Calculation of power requirement for newtonian fluid c. Design and implementation of differential agitators to maximize agitating performance saeed asiri king abdulaziz university, 21589, jeddah, p. Types of agitators, agitators design and significance. The design unix file structure pdf download the operation of the agitator are crucial for efficient operation. Apart from the actual mixer, the design of the mixing tank is the single most important factor in producing a successful result in any process. Pdf design of agitator 8 batch volume kapil kapure. Agitator design spreadsheet reactor vessel youtube. The design of agitator product contact parts should minimize the occurrence of crevices, void spaces and dead spaces in grooves. The mixing process for keeping the solids in suspension is known as offbottom suspension. Optimized to function as a unified system, we have configured the agitatorplus system with an overall pressure drop of 300400 psi. I offer design and drawing program which designs and draws a detailed drawing of agitator mixer, with user friendly dialog boxes, which is an addon for any cad program for designing and developing ga drawing for agitator mixer. Sustainable agitator and reactor design for demanding applications in hydrometallurgy marko latvakokko, tuomas hirsi and teemu ritasalo outotec, finland abstract reactor design plays a very important role in the hydrometallurgical industry. Agitator should be designed to operate at less than 70% of the critical speed. Pradeep nayak from india, mumbai vessel moc ss304 liquid density p 1200 kgm3 liquid viscosity 50 cp 0.
Pdf geometry and architecture of mixing agitator a. In recent years, the requirements for mixing systems in industrial applications have increased steadily. Agitation is the process of keeping a mixture that has been mixed in the proper mixed state required for the end product. Z series topentry tank agitator proquip mixing solutions. In this paper, we have mainly focused on different types of agitator used in industries to increase the mixing performance. This dissertation work is aimed to redesign existing single impeller agitator shaft by using ss316 material with double impeller. This research is to design and implement a new kind of agitators called differential agitator. Design of turbines 6 5 4 3 2 1 4 1 12 1 5 1 1 3 1 3 1 s d l s d j s d w s d h s d e s d d a t a t t t a source. The agitatorplus system combines our agitator oscillation tool with a special low pressure shock tool. Impeller design for mixing of suspensions tomas jirout, frantisek rieger czech technical university in prague, faculty of mechanical engineering, department of process engineering, technicka 4, 166 07 prague 6, czech republic abstract this paper deals with effect of impeller type on offbottom particle suspension. Layout of agitator name td geometrical parameters 1 anchor paddle agitator cvs 69 1014 1,11 h v d 0,8 h d 0,12 h 2 d 0,055 2 helicalscrew agitator with draught tube cvs 69 1028 2 h v d 1,5 s d 1 d d 1,1 h c d 1,15 3 eccentrically placed helicalscrew agitator 2 h 2 d 0,25 c t 0,02. Short term training programme on process engineering. Scale of agitation 1 is quite mild, 3 is normal, 6 is vigorous and 10 is violent.
Download agitator design we are a sharing community. Types of agitators, agitators design and significance pharma today i gonna give you a description that limits upto my knowledge, and most of you may find it useful, about. All voids should be closed by either fabrication welding or approved sealing techniques orings, seals, etc. Introduction to nonnewtonian fluid and power requirement for nonnewtonian fluids d. Types of agitators, agitators design and usages for mixing. The next step in the design series is the mechanical design of the agitator component.
Agitator design 3d modelling autocad manufacturing. The important physical properties for agitator design are. Although mixer design begins with a focus on process requirements, the mechanical design is essential for successful operation. Optimal tank design understanding how tank design affects mixing. Agitator components mainly include impeller, shaft, gear box and drive motor suitably designed for meeting the process requirement. Ss304, ss304l, ss316, ss316l, c22, cs and custom to add bottom shaft support. Agitator design is often though as the application of two engineering disciplines. There are cases where a 18 and jd wd t 110 for some agitator correlations. This not only applies to the agitators but also the reactors and their components.