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Info@exodraft.co.uk
E-mail address
+44 (0)1494 465 166
Phone number
10 Crestway, Tarleton
GB-Preston PR4 6BE

Heat recovery and mechanical chimney draught control for cement production

cement production cover

Production costs often play a critical role in the ability of the company to compete in the market. For this reason, companies are often looking for ways to improve the efficiency of the production process by reusing resources. Heat recovery is one such option, where waste heat emitted during the production process is collected and reused in any number of ways. In cement production, there are several phases in the production process that enable heat recovery, such as flue gasses emitted by the rotation oven, raw materials heated during calcining, and preheating gasses reaching high temperatures.

When implementing exodraft’s heat recovery system, we first identify the primary heat sources in the cement production process. Heat exchangers can be placed strategically in the hot flue gas in order to convert it to hot water. After the heat is recovered, the hot water can, for instance, be stored in buffer tanks, which will maintain the temperature. Several processes in cement production provide the opportunity of capturing waste heat, for instance exhaust gasses generated in the preheating process, heat energy from the rotation oven, or steam emitted by the boiler.

These sources can all reach very high temperatures. Such processes in cement production enable the utilization of waste heat, which will be beneficial in any number of ways. The primary advantage of the heat recovery system is the reduction in cost for cement production. The hot water that becomes available can be reused in the production process, such as at the steam turbine generator or for cleaning equipment of the system or the plant. The heat can also be used for heating, and any excess heat can be sold to the central heating.

exodraft’s mechanical chimney fans stabilize the draught, optimize the effect, and reduce the energy savings in the cement production. As soon as an exodraft chimney fan is installed, the selected plant functions completely without intervention due to outside temperatures, wind, and barometer. If used across the entire cement production it can result in a huge reduction in energy savings. That way, our mechanical chimney fans help companies reduce production costs by lowering the energy consumption, along with reducing CO2 emissions as well.

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Our engineers analyze your production plants, calculating the amount of heat that can be recovered. By using our OptiCalcHR software, we can help you calculate the amount of heat that can be recovered, your reduction in CO2 emissions, and your cost savings. Once we have installed the heat recovery system and the mechanical chimney fans in your cement production plant, you can use our Trendlog software to monitor the heat recovery levels in real time.

Fill out this appraisal form to clarify your heat recovery potential:

How do you see your recovered heat being used (you can select multiple options)?:
Transferred to the district heating systemUsed in production processesHeating of factory, Warehouse or office premisesUsed for absorption chillers/refrigerationHot water for bathing facilitiesAir curtain & air heating systemsHot water for general cleaning/washing purposesOther

Case Studies

Fill out this appraisal form to clarify your heat recovery potential:

How do you see your recovered heat being used (you can select multiple options)?:
Transferred to the district heating systemUsed in production processesHeating of factory, Warehouse or office premisesUsed for absorption chillers/refrigerationHot water for bathing facilitiesAir curtain & air heating systemsHot water for general cleaning/washing purposesOther