Proper ingredient transfer tools are vital in maintaining ideal efficiency and high product quality while balancing operating expenses. Food and beverage processor chips use a difficult job creating purchasing choices when installing new gear or upgrading out-of-date equipment. A four-ingredient recipe exists to select the right pump technology for food and drink applications.
Food and drink handling has an abundance of options for material pumping. The alternatives can seem overwhelming for customers, from the industry’s new twin screw pumps, the reliable rotary lobe pumping systems, the adaptable electric and air-operated diaphragm pumping systems, the effective piston pumping systems, and so on. There is a configuration you can find to fulfill a user’s requirements. The subsequent factors will steer users in the right path.
1. Flow Rate
The volume stream price is dependent upon multiplying materials speed and tubing dimension to figure out gallons/liters per minute.
Identifying flow rates are essential when deciding on the perfect pump. A pump that is certainly not big enough for your application will run too hard or too hot, which may result in pump malfunction. A pump which is too large will get bigger purchase and operating costs. As a general principle, pumps ought to run at 30 % to 60 % of optimum capacity. This reduces unneeded wear due to high speeds and provides for long term growth or process abilities if required. This keeps real for rotary lobe, diaphragm, dual screw, sine pumps, and just about any other pump that may be set up in an application.
2. Item Qualities
Liquid viscosity is easily the most concerning characteristic to pump operators. The aforementioned stream rate performance ranking for pumping systems will reduce with material viscosity. Most pumping systems are rated for max flow price with water at 1 centipoise (cP). Most food ingredients are thicker than water, decreasing maximum productivity between 5 percent to over 25 % performance reduction. Typically, centrifugal pumping systems can be used as lower viscosity fluids and pumping systems such as piston, lobe, diaphragm and others can be used for higher viscosity fluids.
Material viscosity will impact how well the pump can load material to the inlet of the pump as well as output. Lobe pumping systems usually do not create substantial inlet suction power and also have a hard time priming greater viscosity fluids. Electric or pneumatic diaphragm pumping systems and peristaltic pumping systems can load higher viscosity materials in to the pump with the suction power they produce. In the event the material’s viscosity surpasses 100,000 cP, a ram device will be required to use downward pressure to materials in to the water pump when unloading from storage containers.
Material abrasiveness can degrade water pump components easily, particularly when using centrifugal-style pumps, which in turn causes greater repair costs. Material with higher sugars content will rapidly degrade elements when compared with other materials. Lobe pumping systems will sometimes use specialty components and coatings to properly handle this increased abrasion but can nevertheless have a problem with seeping rotary seals and rotor wear over time. Diaphragm pumps, which tend not to employ a rotary seal or rotating elements, handle harsh materials much easier than the small tolerances required in lobe pumps.
In programs like tomatoes, cake tooth fillings, ricotta cheeses, meats and poultry, users should be aware of materials shear. Diaphragm, peristaltic and sine pumping systems are gentle on components and can not shear the material becoming motivated like a centrifugal, lobe, twin screw or any other rotary-design pump. This is important for customers in whose products suffer from shear and also heat in which it can alter the final item created by the machine.
Users should know about any solids or contaminants inside the materials being transferred. Food ingredients like salsa, fruit tooth fillings and others have big-size bits of meals inside the fluid. Diaphragm pumps with flapper checks and peristaltic pumps are created to handle solids upwards of 4-plus inches in size. Rotary pumping systems can handle some solids, however, not for any significant dimension and frequently harm particles and degrade the fabric due to the pump design and operating velocity.
3. Building Materials
Ensuring the pump materials are appropriate for the ingredient becoming transmitted will keep the pumping systems operating for a long time. Most hygienic pumps are built with stainless-steel, but all use some sort of elastomer closes that are more vunerable to compatibility problems. In the meat and poultry business, many elastomers do not hold up well to pet fats and oils in the materials.
Pump building and elastomers also need to be compatible with the center cleaning options and clear-in-location (CIP)/clean-out-of-location (COP) specifications. Many faults occur whenever a water pump elastomer or seal is atazyc with the meals component but are not able to handle the caustics utilized to clean the equipment.
Pump clean-capability and plant cleaning methods has to be considered to choose the right pump. Does the center demand a pump that is capable of being cleaned set up and never removed? This may immediate users toward rotary lobe or some other rotary pumping systems intended for CIP capability. Diaphragm pumps can be washed in place but are materials dependent. Many plants are actually using steam-in-place cleaning-meaning all water pump elements should endure the severe steam temperature ranges run through the pumping systems.