Meyer industrial solutions produces premier system components for dry bulk material processing equipment, pneumatic conveyors, and dust collectors. A rotary airlock valve is a widely used device in material handling processes. The prime function of a rotary airlocks is to regulate the flow from one chamber to another while maintaining a good airlock condition. The rotary airlock line includes seven types, all built with the legendary smoot design and precision. The shape of the blades and cross blades of the hardox steel rotor allows the cutting of the chips. A rotary airlock valve acts as an airlock or lock to the air. With tens of thousands of installations throughout the world, the schenck process md airlock is a highly universal airlock used to meter dry bulk materials under feeding devices, such as bins, hoppers, mixers, screw conveyors and sifters. Edk rotary feeder delumper is a product born of that experience. Shick esteves rotary valves are typically used at the discharge of bulk storage silos, bins, hand dumps, dust collectors or scaling hoppers. A rotary valve consistently delivers a specific amount of material at its discharge. A rotary feeder airlock valve consists of a rotor which turns at a.
All weights are in pounds, all dimensional units are in inches, unless noted. Rotary valves are typically used at the discharge of bulk storage dust cosilos, bins, hand dumps, llectors or scaling hoppers. Operating and maintenance personnel should be thoroughly trained in safe operating procedures, recognition of possible hazards and maintenance of a safe area around the rotary valve. Rotary valve safety begins with a plan that considers every possible danger and potential. Our rotary valves and diverters have a wellestablished reputation for being able to handle all kinds of dry powders and granular materials, such as sugar, cocoa, starch, flour, chemical ingredients, lime powder, china clay, fly ash and wood chips. A rotary feeder has a top knife to shear larger materials and. Rotary airlock valve principles and rotor design powder. Meyer rotary airlock feeders are used in pneumatic conveying systems, dust control equipment, and as volumetric feedcontrols to maintain an even flow of material through processing systems.
A rotary airlock feeder can suddenly start without warning the rotating parts of an airlock will cut off body parts that come into contact with them before performing any work on the airlock, an approved lockout tagout procedure must be followed a rotary airlock. The feeder consists of a heavyduty, boxtype housing that is reinforced. A rotary feeder airlock valve consists of a rotor which turns at a given rpm in close clearance to its casing thus maintaining a uniform rate of material flow. Our rebuilt feeders, reconditioned to our stringent design standards, offer significant cost savings. Rotary airlock valves are a critical component in many material handling systems. Volumetric feeder rotary airlock valves are also widely used as volumetric feeders for metering materials at precise flow rates from bins, hoppers, or silos onto conveying or processing systems. Heavy duty models use an outboard bearing in which the bearings are moved out away from the head plate. Pdf the meyer heavy duty extratough dropthru rotary airlock valve is the toughest on the market. A durable highcapacity rotary feeder for handling dry powders, granular materials, small rocks, or other abrasive materials with relatively uniform material size and low moisture content. Pdf design and development of a rotary airlock valve for. Large rotary airlock feeders for ash handling systems. Your source for bulk handlingair process equipment. Wp offers a full line of feeders such as the, chip feeder, rotary valve, rotary valve feeder, rotary airlock valve, rotary feeder valve and rotary airlock feeder. Rotary valve safety begins with a plan that considers every possible danger and potential hazard.
In dust collection systems the rotary airlock allows continuous product discharge without. Feeders are sized based on a metered material volume and are heavily built to withstand pressures ranging up to 10 psi. Rotary valves for bulk material processing acs valves. Our rotary airlock valves are used in a wide range of applications where there is need to minimize system air loss while transferring material between vessels with differing pressures. Rugged steel rotor with oversize shaft for minimal deflection. If the airlock is to be hung from a hopper, storage tank, etc. The ft rotary valves flex tip material is excellent for abrasive applications such. Western pneumatics offers many sizes of feeders to handle your specific product handling needs. The airlock then can maintain one pressure on its inlet side and a different pressure or vacuum on its discharge side. Er feeder any rotary airlock feeder is part of a system or used in conjunction with other equipment such as dust collectors, screw conveyors, etc. Our basic airlock the smoot type 1 is a basic, yet versatile airlock. A rotary feeder airlock valve consists of a rotor which turns at a given rpm in close clearance to its casing thus maintaining a uniform rate of material flow and provides a seal.
Rotary airlock feeders are very often installed to dose material in a pneumatic conveying line. Rotary airlock valves are used at the bottom of bins, cyclones, dust collectors or feed hoppers to discharge materials at a controlled rate or act as an airlock. From dust collectors to pneumatic conveying systems, rotary airlocks not only control the feed rate but also minimize air leakage between equipment above and below the valve with differing levels of pressure or vacuum. Rotary airlock feeders rotary airlock valves are used in pneumatic conveying systems, dust control equipment, and as volumetric feedcontrols. A practical guide to rotary valves written in collaboration with rota val limited and professor mike bradley greenwich university. And all donaldson torit rotary valves are designed with a precise seal that keeps air out. In connecting ducting or other equipment to the airlockfeeder, care should be taken to insure that it is not possible to be able to reach in where the rotor is turning. The basic use of the rotary airlock feeder is as an airlock transition point, sealing pressurized systems against. The rotary airlocks provide reliable service in high pressure, high temperature and other severe service conditions. Dropthrough rotary airlock valve palamatic process. In connecting ducting or other equipment to the airlock feeder, care should be taken to insure that it is not possible to be able to reach in where the rotor is turning. Thanks to the intelligent feeder design, product damage is almost history. A number of standard rotary valves can be upgraded, depending on the product handled.
Multi duty md airlock airlock for pneumatic conveying systems. Rotary airlock feeder heavy duty extra tough hdx apex. Jeffrey rader has built thousands of rotary airlock feeders for worldwide applications and is. Our rotary airlock valves are used in a wide range of applications where there is a need to minimize system air losses while transferring material between vessels with differing pressures. They are also used to introduce materials into positive or negative conveying systems. Providing rugged service, the md is suitable for use in dilute phase vacuum, pressure or. In all cases, except sifters, rigidly attach the feeding device to the airlock flange, using silicone caulk to obtain an airtight connection. Functional description all jeffrey rader rotary airlock feeders are designed for continuous duty service. Jul 01, 2007 a rotary valve consistently delivers a specific amount of material at its discharge. Pmrd rotary feeder precision machine and manufacturing.
The model 10 is a blowthrough rotary airlock feeder typically mounted under a bin for steady feeding of bulk material into a pneumatic conveying line. The edk feeder comes in varying sizes depending on client needs. An internal helical rotor turns inside a machined and chromed housing. Pmr rotary feeder precision machine and manufacturing. With rotolok there are no double standards, all our standard valves and airlocks are precision machined for close tolerances and minimal eccentricities. Shick esteves durable rotary valves are designed to meter a wide variety of dry, powdered, granulated or similar material into vacuum or pressurized pneumatic convey lines, as well as gravity applications. Airlocks are available in your choice of materials and other specifications, as detailed in the adjoining column. Were focused on precision, engineering, and manufacturing. For additional information, application assistance or special service, you should contact the factory. In order to have a functional system and a good flow. A donaldson torit rotary valve reduces downtime and labor by taking dust disposal out of employees hands. Rotary feeders, also known as rotary airlocks or rotary valves, are commonly used in industrial. This particular feeder was designed as a response to clients in the plastics industry with a need for an efficient airlock that has shearing, variable speed, and antistall capabilities.
This design is what all other in the industry are compared with. Best way to manage rotary airlock valve leakage duration. They are used as feeder valves to meter the flow of material between vessels with equivalent pressures. Design and development of a rotary airlock valve for using in continuous pyrolysis process to improve performance. An airlock is a rotary valve whose vanes fit closely enough to its circular housing to maintain an airtight seal. Write down the model and serial number of the kice rotary vane feeder, along with the same information for the auxiliary equipment i. The flexible tip design allows the airlock to handle stringy or fibrous products that jam other types of airlock.
Rotary airlock valves for the controlled feeding and unloading of pelletsflakes or wood chips from silos, hoppers, pneumatic conveying systems, pocket filters or cyclones. Valve 12 square ktron premier rotary airlock feeder quick clean out. As a consequence, a lot of gas coming from the conveying line is brought upstream by the rotation of the valve and the leakages in between the rotor and the stator. Functionally, the pmr is both a metering device and an airlock. Er feeder any rotary airlockfeeder is part of a system or used in conjunction with other equipment such as dust collectors, screw conveyors, etc. The pmr rotary feeder combines a stationary toolsteel knife and a rotor with helical vanes to provide a shearing action for cutting off oversized materials in a feedstock, minimizing jamming or interruption of the feed. The following safety guidelines should be followed. Our rotary valves are wellestablished reputation for being able to handle all kinds of dry powders and granular materials in the plastics, chemical, food and minerals industries around the world. You will also find them doing double duty in systems. Cast iron or stainless steel manufacturing rotary airlock valves are designed for bulk material extraction and dosing operations. Rotary valve, airlock feeders are often available in standard and heavy duty models, the difference being the head plate and bearing configuration. Cast iron or stainless steel manufacturing rotary airlock valves are designed for bulk material extraction and dosing operations rotary airlock valves are used for the dosing, feeding or discharging of finegrained and powdered materials or granulates contained in silos. Used rotary airlock feeders for sale spi special projects.
Rotary airlock feeders meter and move fine, sticky materials such as recovery boiler salt cake, pulverized coal, fly ash, bottom ash, sand and limestone to conveyors or ash conditioners. Each product line comes in various materials of construction and is designed. Edk rotary feederdelumper is a product born of that experience. The multi duty md airlock is designed metering dry bulk.
They provide feeding and metering functionality of a standard rotary feeder but their primary duty is to maintain pressure and provide an optimal airlock seal between different product conveying transitions, such as gravity to pneumatic conveying lines. Apr 03, 2018 rotary airlock valves are a critical component in many material handling systems. A rotary airlock is also important in the pneumatic conveying industry, where product is regulated into a pressure or vacuum conveying line while minimising air leakage. Donaldson torit ft rotary valves are an excellent choice for dust collector and cyclone applications. Dropthrough rotary airlock valve extraction and feeding of bulk materials 4 models. Rotary airlock valve pellets and flakes palamatic process. Rotary valves dust accessories donaldson industrial. Spc7882 valve 12 stainless steel boedecker company rotary airlock feeder model hdr 12.
Each airlock type has been specifically designed for specific industries and applications with multiple options and accessories to ensure it will exceed your expectations. Our basic airlock the type 1 is a basic, yet versatile airlock. The product is mainly in dry powder or granular form. Our rotary valves come with the reliability of decades of experience, knowhow and proprietary development, and manufacturing with top quality materials. A rotary airlock feeder can suddenly start without warning the rotating parts of an airlock will cut off body parts that come into contact with them before performing any work on the airlock, an approved lockout tagout procedure must be followed a rotary airlock should never be operated without any of its guards in place.
This valve includes the heaviest gauge rotor vane stock, extra thick endplates. The rotary airlock line includes seven types, all built with the legendary magnum systems design and precision. In the dust filtration field a good airlock is essential on cyclone and bag filter applications in order that the manufacturers quoted high dust collection efficiencies can be maintained. Each airlock type has been designed for specific industries and applications with multiple options and accessories to ensure it will exceed your expectations. Functionally, both a metering device and an airlock. Rotary airlock feeders featuresadvantages jeffrey rader rotary airlock feeders allow entry of material into highpressure conveying lines with a minimum of air and pressure loss.
Rotary airlock valves are a type of rotary feeder and are often referred to simply as a rotary airlock or rotary valve. They can also serve as infeed and outfeed airlocks in lowpressure systems. The housing can be made from nihard casting when working. The airlock then can maintain one pressure on its inlet side and a. Offers an attractive capacityforcost ratio compared to tighttolerance rotary valves.
A rotary valve is one middleman it doesnt pay to eliminate. We will need to know the model and serial number of your rotary vane. Be sure all seams in the feeding device are airtight. They provide feeding and metering functionality of a standard rotary feeder but their primary duty is to maintain pressure and provide an optimal airlock seal between different product conveying transitions, such as gravity to. Design, modeling and analysis of rotary airlock valve. Ehps rotary airlock feeder featuresadvantages the primary function of the ehps rotary feeder is to provide steady and continuous feeding to high and low pressure pneumatic conveying systems and boiler feed systems for high combustible explosive dust applications where atex or similar compliance is required. Processbarrons large rotary airlock feeders are critical to a reliable ash handling system.