Reciprocating Action Solves Tough Heat Exchange Challenges

Scraped floor heat exchangers have been used for difficult warmth switch purposes involving viscous fluids or the place fouling is a matter, similar to evaporation processes. The commonest kind of scraped surface heat exchanger (SSHE) makes use of a rotating shaft with blades or augers which scrape the surface of the tube. The popular HRS R Series relies on this method. However, the design is not optimal for every state of affairs, and so HRS developed the Unicus Series of reciprocating scraped floor warmth exchangers.
The Unicus Series of reciprocating scraped surface warmth exchangers is right for viscous products corresponding to cream and tomato juice, as nicely as merchandise containing fruit items or particles.
The HRS Unicus Series is specifically designed to provide the improved warmth transfer of a standard SSHE, but with a mild motion to protect the standard and integrity of delicate food products similar to cheese, yoghurt, ice cream, meat paste, and products containing entire pieces of fruits or greens. Over the years, numerous totally different scraper designs have been developed, that means that every application, from processing curds to heating sauce or pasteurizing fruit compotes may be handled in essentially the most environment friendly yet gentle way potential. Other purposes where the Unicus Series has been helpful include dealing with meat slurry and mince, and processing yeast-malt extracts.
The hygienic design uses a patented stainless-steel scraping mechanism that moves hydraulically backwards and forwards within every interior tube. The motion performs two key functions: it minimizes potential fouling by preserving the tube wall clear and likewise creates turbulence throughout the materials. Together, these actions enhance the rate of heat transfer in the materials, creating a extremely efficient process that’s best for viscous and excessive fouling materials.
Since they’re managed individually, the pace of the scrapers can be optimized for a particular product being processed, so that supplies that are prone to shear stress or stress harm (such as creams and custards) could be dealt with delicately to prevent injury while still providing excessive levels of heat transfer. The Unicus Series has proven notably helpful in dealing with viscous meals merchandise the place texture and consistency are essential attributes. For instance, some creams or sauces could shear when subjected to excess strain, making them unusable. The Unicus signifies that efficient warmth switch may be carried out at low pressures which overcomes these issues.
Each Unicus SSHE consists of three components: a hydraulic cylinder and power pack (although in smaller models a pneumatic cylinder may be equipped instead), a separation chamber to make sure hygiene and preserve product separation from the motor, and the heat exchanger itself. The heat exchanger consists of numerous tubes, each of which incorporates a stainless-steel rod to which the suitable scraping components are fitted. Using a spread of food-safe materials including Teflon and PEEK (polyether ether ketone), these present completely different inner geometry setups according to the applying, such as 120-degree scrapers for large particulates and 360-degree scrapers for viscous fluids with out particulates.
The Unicus Series can also be fully scalable by growing the shell diameter and including more interior tubes from a single tube up to eighty in one shell. A key feature is the specially designed seals which separate the inside tube from the separation chamber, tailored to the product application. These seals forestall leakage of the product and ensure inside and exterior hygiene. A normal vary of fashions for food processing present warmth transfer areas from 7 to 107 sq. toes, while bigger models up to nearly 1,300 sq. feet can be made for specific makes use of.
One space where the Unicus Series excels is in evaporation purposes, where the prevention of fouling is particularly necessary. HRS has a selected model of the Unicus for use in evaporation items the place quantity discount of the fabric is important. The scraping motion keeps the warmth switch surfaces clean in order that Unicus evaporators can focus materials to a degree that’s unattainable using conventional technologies. Unicus evaporators can be utilized in multi-effect setups or in combination with mechanical vapor recompression.
Matt Hale is worldwide gross sales and marketing director for HRS Heat Exchangers. Located in Atlanta, Georgia, HRS Heat Exchangers is a half of the HRS Group, which operates at the forefront of thermal technology, providing revolutionary heat switch options worldwide across a various vary of industries. With เกจวัดแรงดันน้ำ10บาร์ ’ expertise within the food and beverage sector, specializing within the design and manufacture of an extensive vary of turnkey methods and parts, incorporating corrugated tubular, and scraped floor warmth exchanger expertise, HRS items are compliant with global design and trade standards.For more info, go to

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