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Reciprocating Action Solves Tough Heat Exchange Challenges

Scraped floor heat exchangers have been used for tough heat transfer functions involving viscous fluids or the place fouling is an issue, such as evaporation processes. The commonest kind of scraped surface warmth exchanger (SSHE) makes use of a rotating shaft with blades or augers which scrape the floor of the tube. The popular HRS R Series relies on this method. However, the design isn’t optimum for each situation, and so HRS developed the Unicus Series of reciprocating scraped surface warmth exchangers.
The Unicus Series of reciprocating scraped floor warmth exchangers is good for viscous products corresponding to cream and tomato juice, as properly as merchandise containing fruit pieces or particles.
IT STARTS WITH DESIGN
The HRS Unicus Series is particularly designed to offer the improved heat switch of a standard SSHE, however with a delicate action to preserve the standard and integrity of delicate food products such as cheese, yoghurt, ice cream, meat paste, and products containing complete items of fruits or greens. Over the years, a number of different scraper designs have been developed, meaning that every software, from processing curds to heating sauce or pasteurizing fruit compotes can be handled in essentially the most environment friendly yet gentle method attainable. Other purposes where the Unicus Series has been useful embody 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 every interior tube. The motion performs two key functions: it minimizes potential fouling by maintaining the tube wall clear and likewise creates turbulence inside the materials. Together, these actions increase the rate of warmth switch within the material, making a highly environment friendly course of that is best for viscous and high fouling supplies.
Since they’re controlled individually, the pace of the scrapers can be optimized for a specific product being processed, in order that materials which are susceptible to shear stress or pressure harm (such as creams and custards) may be handled delicately to stop injury while still offering high levels of heat switch. The Unicus Series has proven particularly helpful in handling viscous meals merchandise the place texture and consistency are necessary attributes. For เกจวัดแรงดันต่ำ , some lotions or sauces might shear when subjected to extra pressure, making them unusable. The Unicus implies that effective warmth switch can be carried out at low pressures which overcomes these problems.
HRS UNICUS SERIES UP CLOSE
Each Unicus SSHE consists of three elements: a hydraulic cylinder and energy pack (although in smaller items a pneumatic cylinder could be provided instead), a separation chamber to ensure 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 appropriate scraping components are fitted. Using a range of food-safe supplies including Teflon and PEEK (polyether ether ketone), these present completely different inner geometry setups according to the appliance, similar to 120-degree scrapers for giant particulates and 360-degree scrapers for viscous fluids without particulates.
The Unicus Series is also absolutely scalable by growing the shell diameter and adding extra inside tubes from a single tube up to eighty in one shell. A key characteristic is the specially designed seals which separate the inner tube from the separation chamber, tailor-made to the product application. These seals prevent leakage of the product and guarantee inner and external hygiene. A commonplace vary of models for food processing present heat transfer areas from 7 to 107 sq. toes, whereas bigger models as much as practically 1,300 sq. feet could be made for particular uses.
EXCELLENCE IN ACTION
One space where the Unicus Series excels is in evaporation applications, where the prevention of fouling is especially important. HRS has a selected version of the Unicus for use in evaporation items the place quantity discount of the material is essential. The scraping action retains the warmth switch surfaces clean so that Unicus evaporators can concentrate supplies to a level that’s unattainable using traditional technologies. Unicus evaporators can be utilized in multi-effect setups or in combination with mechanical vapor recompression.
Matt Hale is worldwide gross sales and advertising director for HRS Heat Exchangers. Located in Atlanta, Georgia, HRS Heat Exchangers is part of the HRS Group, which operates on the forefront of thermal expertise, providing revolutionary warmth switch options worldwide across a diverse range of industries. With forty years’ experience in the meals and beverage sector, specializing in the design and manufacture of an intensive vary of turnkey systems and components, incorporating corrugated tubular, and scraped floor heat exchanger technology, HRS units are compliant with global design and business standards.For extra information, visit www.hrs-heatexchangers.com.
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