Reciprocating Action Solves Tough Heat Exchange Challenges

Scraped floor heat exchangers have been used for tough heat switch purposes involving viscous fluids or where fouling is a matter, similar to evaporation processes. The most typical sort of scraped surface warmth exchanger (SSHE) uses a rotating shaft with blades or augers which scrape the floor of the tube. The well-liked HRS R Series is based on this approach. However, เกจวัดแรงดันน้ำมันเครื่อง isn’t optimum for each scenario, and so HRS developed the Unicus Series of reciprocating scraped surface heat exchangers.
The Unicus Series of reciprocating scraped surface warmth exchangers is ideal for viscous products corresponding to cream and tomato juice, in addition to merchandise containing fruit pieces or particles.
The HRS Unicus Series is particularly designed to supply the improved warmth transfer of a traditional SSHE, however with a gentle action to preserve the quality and integrity of delicate meals merchandise such as cheese, yoghurt, ice cream, meat paste, and products containing entire pieces of fruits or greens. Over the years, numerous completely different scraper designs have been developed, which means that each application, from processing curds to heating sauce or pasteurizing fruit compotes can be handled in the most environment friendly but gentle means possible. Other applications where the Unicus Series has been beneficial include handling meat slurry and mince, and processing yeast-malt extracts.
The hygienic design uses a patented stainless-steel scraping mechanism that strikes hydraulically backwards and forwards within each interior tube. The motion performs two key capabilities: it minimizes potential fouling by maintaining the tube wall clean and also creates turbulence inside the material. Together, these actions increase the speed of warmth transfer within the materials, making a extremely environment friendly process that’s perfect for viscous and excessive fouling materials.
Since they are managed separately, the pace of the scrapers could be optimized for a selected product being processed, so that materials which are prone to shear stress or strain damage (such as creams and custards) could be dealt with delicately to prevent harm whereas still providing excessive ranges of warmth switch. The Unicus Series has proven significantly useful in dealing with viscous food products where texture and consistency are important attributes. For example, some lotions or sauces might shear when subjected to excess stress, making them unusable. The Unicus signifies that effective heat switch could be carried out at low pressures which overcomes these problems.
Each Unicus SSHE consists of three components: a hydraulic cylinder and power pack (although in smaller units a pneumatic cylinder can be provided 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, every of which accommodates a stainless-steel rod to which the appropriate scraping parts are fitted. Using a range of food-safe materials together with Teflon and PEEK (polyether ether ketone), these present completely different inside geometry setups based on the applying, corresponding to 120-degree scrapers for large particulates and 360-degree scrapers for viscous fluids without particulates.
The Unicus Series can additionally be fully scalable by growing the shell diameter and including more interior tubes from a single tube as a lot as eighty in a single shell. A key function is the specifically designed seals which separate the internal tube from the separation chamber, tailor-made to the product application. These seals stop leakage of the product and guarantee inside and exterior hygiene. A commonplace range of fashions for meals processing present warmth transfer areas from 7 to 107 square ft, whereas larger fashions up to practically 1,300 square toes can be made for specific makes use of.
One space where the Unicus Series excels is in evaporation purposes, the place the prevention of fouling is particularly necessary. HRS has a selected model of the Unicus for use in evaporation units where volume reduction of the material is important. The scraping action retains the warmth transfer surfaces clean so that Unicus evaporators can concentrate materials to a level that is unattainable utilizing conventional applied sciences. Unicus evaporators can be used in multi-effect setups or together with mechanical vapor recompression.
Matt Hale is worldwide sales and advertising director for HRS Heat Exchangers. Located in Atlanta, Georgia, HRS Heat Exchangers is a part of the HRS Group, which operates on the forefront of thermal expertise, providing revolutionary warmth switch solutions worldwide throughout a various range of industries. With forty years’ expertise within the meals and beverage sector, specializing in the design and manufacture of an in depth vary of turnkey systems and components, incorporating corrugated tubular, and scraped floor heat exchanger know-how, HRS items are compliant with international design and business requirements.For more data, visit

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