CALGAVIN Multi-tube Heat Exchanger Heat Transfer Enhancement 'hiTRAN' Catalog
hiTRAN Heat Transfer Enhancement Element
Increase and improve the capacity of heat exchangers, reduce fouling inside the tubes! A group of experts dedicated to solving various issues related to heat exchangers. Support from Japanese professionals who are well-versed in processes and heat exchangers!
◇ What is "hiTRAN"? 1. Wire elements intricately woven are inserted into the tubes of the heat exchanger. 2. Various wire materials such as SUS and copper can be used. 3. Compatible diameters: φ6 to φ150mm. 4. Applicable to both "existing" and "new" heat exchangers. 5. Appropriate shapes and densities are selected according to specification conditions. ◇ What are the benefits of "hiTRAN"? 1. Miniaturization of new heat exchangers (e.g., from 4 to 1 pass) ⇒ Reduction in initial costs! 2. Recovery of capacity in existing heat exchangers ⇒ Reduction in running costs! 3. Prevention and reduction of dirt inside the heat exchanger tubes ⇒ Reduction in maintenance costs and shutdown time! 4. Improvement of plant operational capacity ⇒ Reduction in utility costs!
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basic information
◇ What is CALGAVIN? 1. A "specialist group for solving heat exchanger-related issues" established in the UK in 1980. 2. Over 30 years of experience and achievements worldwide in collaboration with universities and research institutions. ◇ What is the process for inserting "hiTRAN"? 1. Confirmation of processes and specifications for heat exchangers, and meetings. 2. Performance comparison calculations before and during the insertion of hiTRAN. 3. Contracting, arranging hiTRAN, delivery, and insertion of hiTRAN into the heat exchanger. * Please perform the insertion of hiTRAN yourself. Insertion guidance (separate contract) is also available.
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Applications/Examples of results
◇ What equipment can "hiTRAN" be applied to? Shell and tube heat exchangers, heaters, coolers, condensers, evaporators, reboilers, reactors, preheaters, evaporators, recuperators, etc. ◇ What industries can "hiTRAN" be applied to? Steel and non-ferrous industries, oil exploration and production, oil refining, petrochemicals, organic and inorganic chemicals, gas production, transportation, and processing, specialty and precision chemicals.
Detailed information
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hiTRAN product photo
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Condition of Internal Pipe Contamination As shown in the photo, there is no accumulation of dirt where hiTRAN is inserted. On the other hand, in areas where nothing is inserted, dirt accumulation on the pipe wall can be visually confirmed. This significantly reduces the time required for internal pipe cleaning and shutdown, leading to a reduction in maintenance costs.
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Overall heat transfer coefficient U value and operation period example (actual results) 1. Issues: Performance degradation of heat exchange due to fouling and sedimentation inside the pipe 2. Results: After the insertion of hiTRAN, the "E1 unit (green line)" had its internal fouling removed, and the overall heat transfer coefficient U value became approximately 1.5 times that of the "E2 unit (blue line)" before insertion.
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In-pipe simulation Left side of the photo: Not inserted Right side of the photo → hiTRAN inserted The insertion of hiTRAN causes the flow in the wall area to be uplifted (pseudo-turbulence effect), contributing to enhanced heat transfer.
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hiTRAN insertion status When inserting hiTRAN, it can be easily inserted in the direction of flow. After insertion, the pipe end has a twisted loop of wire, so it only needs to be secured with a key wire or similar.
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We have established three business areas: excellent "industrial machinery, equipment, and materials" both domestically and internationally, industry-leading "LCD glass cutting machines and peripheral equipment," and "maintenance and consumables" that support safe and efficient production. In addition, since April 2011, we have launched an environmental contribution business under the slogan "Advanced environmental and energy-saving machinery for the world." We will actively contribute to environmental conservation and improvement through our business. As the globalization of economic activities progresses at an unprecedented speed and scale, we aim to create a dense organization that extends our own expertise as a solid vertical thread and integrates the overall strength of the Nippon Steel & Sumitomo Metal Corporation Group as a horizontal thread. We sincerely request your continued guidance and encouragement, especially from our business partners and everyone involved.