A direct-injection steam heater causes a low-pressure drop in existing flow. This means no extra input is needed to progress the system except steam. These benefits can help pulp-and-paper mills achieve energy efficiency and pursue lean manufacturing goals, says one maker of direct-injection steam heaters. The compact heaters incorporate a smoothly flowing steam path that encourages the use of momentum in steam injection. The design helps the steam input retain momentum, and this conservation of energy is passed onto the product flow. The system is vibration-free, says the heater maker, which can help prolong the life of a production line.
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