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Rendering is a complex and vital process in preparing animal carcasses for further use, which typically requires specialized material handling and conveying equipment. Because there are several types of techniques for rendering, no one piece or set of equipment is suitable for every job. Take a closer look at some of the more widely-used rendering tools in the guide below.

Material Handling and Conveying Used in Rendering

1. Pre-Breakers

Before a carcass can be processed for further rendering, it must be broken down as quickly and efficiently as possible using a pre-breaker, also known as a crusher. These use a series of blunt anvils, rather than blades, to break carcasses down and apart into pieces of a uniform size. These pieces can then be passed onto more refined breaking or reduction machinery for additional preparation.

material handling and conveying

2. Shaftless Screw Conveyors

During the rendering process, it’s generally necessary to handle large amounts of animal matter, in particular offal and other messy organic substances. The best tool to keep these materials in one place and easy to monitor and handle is a shaftless screw conveyor.

Unlike conventional shafted conveyors, these require less maintenance due to the lack of hanger bearings at either end, and they’re better adapted to moving sticky, sludgy, or otherwise difficult-to-handle materials. Using these devices can save substantial amounts of time and effort when moving raw animal matter to the pre-cooking and cooking stages.

3. Fat Separation and Refining Systems

Regardless of the type of carcass you’re rendering, it’s crucial to make use of equipment designed for the separation, capture, and refinement of fats and oils. Not only should these substances never be allowed to escape due to fire and environmental contamination hazards, but they can be a valuable byproduct of the rendering process.

These consist of several pieces of equipment, the first of which is a pressing unit which physically squeezes out liquid fats. It’s also necessary to use an evaporator to capture water vapor and gaseous lipids emitted during the cooking process. Lastly, a solid-liquid separator should be used to divide liquid fats and waste products from bone and flesh.


When you’re in need of rendering equipment like screw conveyors, bins or troughs, turn to Industrial Component Sales, Inc.   Representatives for KWS Mfg. the premier manufacturer of Screw conveying equipment for Rendering in the USA.   Since 2000, Industrial Component Sales, Inc. has represented an extensive selection of top-quality material handling and conveying from industry-leading manufacturers. With offices in Bemidji MN, Hudson, WI and Madison, WI , they have been serving clients throughout the Midwest, to provide long-lasting solutions for all your power transmission requirements. Call (651) 270-0151 to discuss your needs, and visit them online to learn more about their products.

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