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Functioning Of An Industrial Heat Pump Drier

Views: 277     Author: Kaylee     Publish Time: 2024-01-10      Origin: Site


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Functioning Of An Industrial Heat Pump Drier

The temperature was frequently too low in the past, which meant that any further heat generated by industrial processes such as drying could not typically be utilized any further during the process. This was the case because the temperature was frequently too low. The occurrence of this was something that took place quite frequently. Due to the fact that this meant that the procedure could not be completed before the deadline, it provided a hurdle. A one-of-a-kind heat pump that operates at high temperatures has the goal of recovering this energy as its primary objective. This is done with the goal of lowering the quantity of carbon emissions that are produced as well as the amount of energy that is used in industrial settings. When it comes to the section of the project that is devoted to demonstration, the production plant that is situated in Austria will serve as the place that will be employed.

It's Not Necessary To Discard Waste Heat

As part of their efforts to achieve this objective, the Austrian Institute of Technology and Lantai have been collaborating in order to demonstrate that a high-temperature heat pump can be utilized to recover drying energy at three distinct production units. This activity is being carried out within the framework of the Lantai project, which is receiving financial assistance from the European Union.

The procedure of installing the heat pump is carried out at the production plant situated in Uttendorf, which is utilized by Wienerberger Österreich GmbH on a regular basis. With the help of the technology that is provided by the Norwegian company Viking Heat, it is possible to generate process heat that can be utilized, with temperatures reaching as high as 150 degrees Celsius. There is a chance that this will occur.

Initial Test Location

EVA Foaming Machine

It is possible for the Wienerberger plant, which serves as the first demonstration site, to minimize the amount of primary energy that it requires by making use of the surplus heat that it generates during its operations. As a result of the installation of this cutting-edge heat pump technology within the facility, this is now feasible. Each kilowatt-hour of energy that the heat pump has provided is a contribution to the reduction of emissions of greenhouse gases. This contribution is made possible by the heat pump.

Before the clay is used in the manufacturing process to make bricks, it is first molded into the proper shape, then allowed to dry, and finally backed. This process is repeated until the clay is ready to be used. The air that is considered to be normal is responsible for providing temperatures that range from 100 degrees Celsius to 170 degrees Celsius during the duration of the drying process. During the course of the drying process, the bricks lose moisture as a consequence of the air being cooler. Because it is too cold, this damp and chilly air cannot be employed either upstream or downstream within the production plant due to its insufficient temperature. This is because the temperature is too low. Because of the revolutionary Lantai concept, it is now possible to recycle this energy and bring it up to a temperature that is adequate for utilization, which is most likely somewhere between 120 and 150 degrees Celsius. The temperature is appropriate for use at this point.

Recovering Waste Heat From Industrial Drying Processes

The primary objective of the Lantai project is to make use of waste heat recovery in order to propel energy-intensive sectors of the European manufacturing industry toward high energy efficiency and a reduction in the amount of carbon emissions that are caused by fossil fuels. This will result in an increase in competitiveness, an improvement in the security of energy supply, and the guarantee of sustainable production in Europe. Applications that require drying are included in the scope of the project. On the other hand, a number of other companies that use a significant amount of energy, such as the pulp and paper industries, will see the data to be of enormous value.

Among the waste heat sources that Lantai heat pumps can valorize are:

1. Wasted water

2. Humidify off drying process fumes

3. Water streams that require cooling in order to receive additional treatment

4.Chiller waste heat (refrigeration)

5. Activities that need to be cooled6. Common procedures

There are several uses for industrial heat pumps since industrial units offer a broad range of heat sources and possible consumers. Here are a few instances:

1. Dehydration and drying out

2. Evaporation 3. Cleaning and washing

4. Cooking

5. Pasteurization and sterilization

6.Heating of spaces

7. Heating districts

Economic And Environmental Advantages

Vacuum Drying Kiln

By applying the technology that has been proven for this purpose, it has been demonstrated that it is possible to reduce the specific energy required for drying and dehydration from 700–800 kWh per ton of evaporated water to 200 kWh per ton. This reduction in specific energy demands has been demonstrated to be possible. This figure reflects a significant decrease in comparison to the previous amount of power consumption that was being utilized. The transition away from fossil fuels and toward heat pump technology has the potential to reduce the amount of influence that humans have on the environment by a significant amount while simultaneously reducing the quantity of energy that is consumed by sixty to eighty percent from what it is today. This is a significant improvement over the existing situation. As a consequence of this, there will be a significant decrease in the costs of energy, which will, in turn, result in a decrease in the prices of some things and a significant improvement in the market's capacity to compete with all of the various kinds of enterprises.

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