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| TES Wireline Hardening and Quench System |
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| Thermal Engineering Systems (TES) Limited are specialists in the field of process cooling, with over 23 years of experience in the design and manufacture of chillers and bespoke systems for industrial process cooling in a wide variety of markets and applications. |
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| One of its many product specialities is the design and manufacture of
Wireline Quench and Hardening systems for the induction heat treatment market. |
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| Based in Devon, TES has a team of mechanical and electrical design engineers supported by in-house fabrication and assembly workshops, thus enabling TES to provide a complete design and manufacture service, through to on-site installation and commissioning. |
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| Its experience of manufacturing Quench and Hardening systems goes back nearly two decades, with several systems having been sold to clients and shipped as far afield as USA, China, Germany and Russia. |
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| TES’s Quench systems are designed specifically around the required metallurgical properties of the steel wire, which is then used in such applications as the production of spring steel and steel rods for reinforced concrete production. |
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| Key parameters in determining the correct cooling duty of the Quench and Hardening system is the diameter of the wire, the required temperature drop and the speed at which the wire is travelling through the line. |
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| At the heart of every system is the quench trough through which the wire is guided and in which the cooling medium is directed onto the wireline through a series of spray tubes and nozzles. The wireline guides must be accurately positioned using laser alignment methods such that the wireline can pass through at speeds of up to 2 metres/sec whilst achieving the required cooling rate. |
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| The Quench unit typically contains a pumping set, which controls the flow rate and temperature of the cooling medium, through heat exchangers and filtration in order to deliver the appropriate cooling medium at the desired rate. |
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| Some of TES’s Quench units are up to 8 metres long in order to provide sufficient time to quench the wireline. Temperature difference can be as much as 900° C in certain applications. |
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| On the primary cooling side, TES also provide their own range of Chillers or Cooling Tower arrangement depending on the client’s site requirements. |
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| Pictured is the dual Quench Trough system, with hydraulically operated troughs for selection of different quench mediums. |
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| Underground
Train Cooling |
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| TES recently designed, installed and commissioned a climatic test chamber specifically to cool a complete London Underground train carriage down to minus 10 °C for its client,
Alstom Transport. |
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| Alstom’s engineers required a method of cycle testing their new door mechanisms and new on-board heating and ventilation system at extreme operating temperature conditions, and consequently approached TES for a solution. |
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| TES’s engineers are well used to coming up with innovative solutions to challenging problems, and designed a system consisting of a carriage sized cold room with inflatable seals, within which the train could be positioned and be totally sealed prior to cooling. |
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| The chiller system was designed and supplied by
TES, being an air-cooled 40kW chiller with pump and tank arrangement, supplying chilled glycol to the eight off ceiling mounted fan coil units inside the chamber. The whole system was built on a train platform inside Alstom’s maintenance facility in Golders Green, London and was designed to cool a complete train carriage in less than 4 hrs. |
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| The supplied monitoring and control system allows the train carriage to be cooled to different temperatures and at different cooling rates. |
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| Rolls
Royce |
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| Thermal Engineering Systems Ltd
(TES) recently completed a challenging process cooling project for one of its leading customers,
Rolls Royce. |
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| The brief was to supply
de-ionised cooling water to several of Rolls Royce’s vacuum furnaces, with critical temperature control requirements. Limited space and access provided further challenges for TES’s designers. |
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| TES’s solution involved a unique design, incorporating a roof mounted Cabin housing the water / glycol pumping and cooling system, including all necessary monitoring and control with local remote diagnostics. |
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| In order to overcome very critical roof loading limitations, TES literally turned conventional thinking on its head by designing the storage tanks as structural pontoons to support the entire structure uniformly. |
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| Over half a kilometre of stainless pipework was needed to complete the installation by TES’s site team. The entire project was built and tested at its Devon factory and took only 8 weeks from initial designs through to installation and commissioning. |
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| The project coincided with TES’s 22nd anniversary of providing process cooling advice, design and manufacture utilising the best combinations of bespoke and “off the shelf” equipment. TES prides itself on a personal touch with first rate customer service and after sales back-up. |
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| As part of its ongoing development, TES have considerably expanded their standard range of air and water-cooled chillers and heat pumps this year in order to better offer its clients the right solution at the right price to meet their process cooling requirements. |
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