The feeding station - precision for your production process

A feeding station is a specialized system designed to add precise amounts of liquids, powders or gases to a production process. These systems are critical in many industries where precise dosing is required to ensure the quality and consistency of the end products. The core function of a feeding station is to accurately control the supply of raw materials or chemicals based on specific formulations or production requirements.

Feeding stations vary in complexity and automation. They range from simple manual systems, where operators control the dosing manually, to fully automated solutions equipped with advanced sensors and control technologies. These enable continuous monitoring and adjustment in real time, leading to increased efficiency and a reduction in human error.

The use of feeding stations spans various industries, including the pharmaceutical, chemical and food industries. In each of these fields, they play an indispensable role in ensuring compliance with strict industry standards and regulatory requirements. By integrating modern feeding stations, companies can not only optimize their production processes, but also contribute significantly to sustainability and environmental protection.


Feeding solutions : Devices, controllers, drive technology, HMIs - all from a single source

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DEMIC Datentechnik GmbH
Ohlenhohnstraße 48
53819 Neunkirchen


Phone: +49 2247 918 90
E-Mail: kontakt(at)

Benefits of working with DEMIC

Icon für 35 Jahre Erfahrung bei der Regelung von kontinuierlichen Dosierprozessen und Batch-Verwiegung

35 years of experience in the control of continuous dosing processes and batch weighing

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Control expertise for special individual applications and complete processes

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Fast and precise realization of customer-specific requirements

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Experts in gravimetric and volumetric feeding systems and the associated refilling processes

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Uniform interfaces throughout for easy integration into existing automation landscapes

Types of feeding stations

Manual feeding stations

Manual feeding stations are basic systems used primarily in industries where the flexibility of manual control is desired or where fully automatic feeding is not required. This type of feeding station requires direct human interaction to control the amount of materials fed. They are particularly useful in applications where recipes change frequently or material quantities vary from batch to batch.

The main advantage of manual feeding stations is their simplicity and reliability. They are generally less expensive to purchase and maintain than their automated counterparts. As they contain fewer complex mechanical and electronic components, they are less prone to faults and easier to repair.

Manual systems also offer a high degree of flexibility as the operator has control over the entire dosing process. This allows for instant adjustment of the dosing quantity, which can be beneficial in dynamic production environments where quick responses are required. However, operating manual feeding stations requires trained personnel who know exactly how to handle the materials to ensure consistency and quality of the products.


Automatic feeding stations

Automatic feeding stations are sophisticated systems designed specifically for applications where precision and reproducibility are critical. They use advanced technologies to automatically control the delivery of materials, improving accuracy and minimizing the need for human intervention. These systems are equipped with various sensors, control and monitoring devices that enable continuous monitoring and adjustment of dispensing processes in real time.

The key advantage of automatic feeding stations is their ability to deliver consistent results. They are ideal for complex or hazardous chemicals and materials where accuracy is vital. Automation reduces human error, which is particularly beneficial in the pharmaceutical and chemical industries where safety and compliance are of paramount importance.

Additionally, automated feeding stations offer increased efficiency through their ability to speed up processes and reduce labor costs. Many of these systems are also equipped with data logging capabilities that allow for detailed recording and analysis of the dispensing process, contributing to the continuous optimization of production lines.

Components of a feeding station

A feeding station is made up of several key components that work together to ensure that materials are dispensed precisely and efficiently. Each component plays a specific role in ensuring the accuracy, reliability and safety of the dispensing process.

Dosing units

Dosing units are at the heart of every feeding station and play a crucial role in the precise feeding of materials in industrial processes. They are designed to dispense an exact amount of liquids, powders or gases according to the specific requirements of a production process. The selection and configuration of these units depends on the type of material to be dispensed, the precision required and the production environment.

Generally, dosing units consist of a storage container, a conveying device (such as pumps or screw conveyors), control valves and outlet nozzles. For liquids, pumps are often used, which are able to deliver very precise volumes. For solids, screw or vibratory conveyors are often used, which enable a controlled release of the material. The choice of conveyor system is crucial, as it has a significant influence on the uniformity and accuracy of dosing.

Modern dosing units are often equipped with advanced sensors that continuously measure the amount of material dispensed and automatically make corrections in the event of deviations. These sensors often work in conjunction with a central control system that enables the dosing process to be monitored and controlled precisely. This system can also be programmable to allow different dispensing profiles for different products or batches, which is particularly useful in flexible production environments.

The efficiency and reliability of dosing units also depends on their maintenance and servicing. Regular checks and maintenance are necessary to ensure long-term accuracy and operational reliability. In environments where aggressive or corrosive materials are processed, the components of the dosing units must be made of special, resistant materials to ensure the longevity and functionality of the system.

In summary, feeding units form the functional center of any feeding station, and their design and management are crucial to the quality and efficiency of the entire production process. They require careful planning, comprehensive technical understanding and regular maintenance in order to fulfill their tasks optimally.

The control system of a feeding station

The control system of a feeding station is crucial for the efficiency and accuracy of the entire system. It is a complex electronic unit that coordinates, monitors and controls all processes within the feeding station. The system makes it possible to automatically dose precise quantities of materials, which is particularly essential in environments with high demands on product consistency and quality.

A typical control system consists of a central processor that is connected to various sensors and actuators. These sensors continuously collect data such as flow rates, pressures and temperatures, while the actuators - such as pumps or valves - act according to the processor's instructions. The integration of these components enables the system to respond in real time to changes in the production process and make appropriate adjustments to ensure dosing accuracy.

Modern control systems are often equipped with a user interface that allows operators to easily set and modify dispensing parameters. These interfaces can include digital displays, touch screens or even remote control options that allow for remote monitoring and control. This allows technicians and operators to view operating data in real time and intervene quickly if necessary.

In addition, advanced control systems offer possibilities for data collection and analysis. They can store important information about the dispensing process, such as consumption patterns and operating times, providing valuable insights for optimizing production processes. This data can be used to analyze trends to improve operational efficiency and reduce material consumption.

The integration of network technologies also makes it possible to integrate the control system into larger automation networks. This allows the feeding station to communicate with other parts of the production plant and work in a coordinated manner, enabling further optimization of processes.

Overall, the control system of a feeding station is a critical factor in the automation and optimization of industrial feeding processes. It not only ensures precise and reliable dosing, but also a flexible and efficient production environment.

Sensors and measuring devices of a feeding station

Sensors and measuring devices are indispensable components of a feeding station that ensure the precision and efficiency of the feeding process. They provide real-time data on material flows and process conditions, which are critical for the accurate control and monitoring of material feed. By constantly recording various physical and chemical parameters, these instruments enable automated adjustment of the dosing process to achieve optimum results.

Typical sensors used in feeding stations include flow sensors, pressure sensors, temperature sensors and pH sensors. Flow sensors are critical for measuring the exact amount of material flowing through a line, allowing for precise control of dosing. Pressure sensors monitor the pressure in pipes and containers to ensure that materials are transported and dispensed under optimal conditions. Temperature sensors are important for processes where temperature affects the reactivity or behavior of the material, while pH sensors are used in chemical processes to monitor and regulate acid or base levels accordingly.

Modern meters in feeding stations can also include specialized sensors such as conductivity meters or redox potential meters that monitor other important chemical properties of the materials. These advanced sensors play a key role in processes that require high accuracy in chemical composition, such as in the pharmaceutical and food industries.

The integration of these sensors into a central control system enables comprehensive process control. The data collected by the sensors is continuously analyzed to immediately detect deviations and automatically initiate corrections. This leads to a significant reduction in waste and increases safety by minimizing human error.

In addition, the advanced sensor technology enables predictive maintenance by identifying wear and potential sources of error at an early stage. This helps to minimize unplanned downtime and reduce operating costs by allowing maintenance work to be strategically planned and carried out.

Overall, sensors and measuring devices play a key role in ensuring that feeding stations can operate reliably and with high precision, making them a central component for automation and increasing efficiency in modern production environments.

Areas of application for feeding stations

Chemical industry

Feeding stations play a central role in the chemical industry, especially for powders and bulk solids. They enable the precise feeding of solids, which are often crucial for chemical reactions or the production of mixtures. These materials can range from fine powders to granulated solids, with each material having specific handling and dosing requirements.

Feeding stations for powders and bulk solids are often found in the production of fertilizers, plastics, pharmaceuticals and petrochemicals. Precise dosing ensures that the chemical composition of the end products remains consistent, which is of the utmost importance for product quality and safety. Modern dosing systems use advanced technologies such as screw conveyors or pneumatic conveying systems to precisely transport and dose materials.

In addition, these feeding stations are often equipped with sophisticated sensors that can measure and automatically adjust the material flow rate. This technology makes it possible to react to fluctuations in material consistency or moisture, which is particularly important for hygroscopic or lump-forming powders.

The ability to dose precisely and efficiently not only helps to increase the efficiency of production processes, but also to minimize the environmental impact by reducing waste and overconsumption. This makes feeding stations for powders and bulk solids indispensable in the chemical industry.

Food industry

Feeding stations are essential in the food industry, especially when it comes to handling powders and bulk materials such as flour, spices, milk powder and additives. These systems enable precise and hygienic dosing, which is crucial for adhering to recipes and ensuring food safety.

In production lines where baked goods, confectionery, ready meals and beverages are produced, feeding stations ensure the exact addition of ingredients, which ensures the consistency of the end product. Advanced dosing systems often use screw conveyors or vibratory conveyors to transport the ingredients gently and accurately. These methods help to minimize product waste and maximize the efficiency of production processes.

The precise control of feeding stations using modern sensor technology also allows feeding quantities to be adjusted quickly, which is particularly advantageous when producing different product variants in quick succession. This contributes to flexible and agile production, enabling food manufacturers to react quickly to market changes and produce a wide range of products with consistently high quality.


Pharmaceutical industry

In the pharmaceutical industry, feeding stations for powders and bulk solids are crucial to ensure strict adherence to formulations and precision in drug production. These stations enable the accurate dosing of active ingredients and excipients, which is essential for the production of consistent and safe pharmaceutical products.

Feeding stations in the pharmaceutical industry must meet the highest standards of accuracy, reproducibility and hygiene. They are often equipped with advanced control systems and precision sensors that enable exact monitoring and control of the dosing process. This helps to avoid cross-contamination and ensure compliance with regulatory requirements.

The technology of the feeding stations enables even very fine powders to be handled precisely, which is critical in the production of tablets, capsules and powder mixtures for suspension solutions. The ability to respond quickly to changes in production helps the pharmaceutical industry to respond efficiently to the demand for new and customized drug formulations while maintaining the highest safety and quality standards.


Building materials industry

In the building materials industry, feeding stations for powder and bulk solids are essential for the precise dosing of materials such as cement, gypsum, sand and various additives. These materials are essential for the production of concrete, mortar and other building materials, where precise composition is crucial for the strength and durability of the end products.

Feeding stations in this industry must be designed to be particularly robust to withstand the demanding conditions of a building materials production environment. They are often equipped with heavy-duty conveyor systems such as screw conveyors or belt conveyors that are specifically designed to handle large quantities of heavy and abrasive materials. The precise control of these feeding stations is often supported by advanced sensor systems that continuously monitor and regulate the quantity and quality of the materials.

The automation of the dosing processes enables a consistent quality of the building material mixtures, improves the efficiency of production and minimizes material waste. In the building materials industry, this not only contributes to cost savings, but also to the sustainability of construction processes by using resources efficiently and reducing emissions.

Planning and installation of a feeding station

The planning and installation of a feeding station is a critical process that requires careful consideration and precise implementation to ensure the efficiency and reliability of the entire system. It is crucial to consider the specific requirements of the production process, balancing both the technical and operational aspects.

Location selection

Choosing the location for a feeding station is a crucial step that can affect the performance and safety of the entire system. An ideal location should be easily accessible to allow for easy maintenance and quick replacement of materials. There must also be sufficient space to accommodate the system and associated equipment without space restrictions.

It is also important that the location takes into account environmental conditions such as temperature, humidity and dust exposure that could affect the materials and equipment. In addition, the proximity to other production areas should be evaluated in order to exploit synergies and optimize logistical processes. Safety aspects, such as protection from external influences and compliance with environmental and safety regulations, should also be taken into account to ensure safe and efficient operation of the feeding station.

Installation and commissioning

The assembly and commissioning of a feeding station requires a methodical approach to ensure that all components are correctly installed and fully functional. First of all, all parts should be assembled precisely in accordance with the technical drawings and installation instructions. Particular care should be taken to ensure that all connections and joints are tight and secure to avoid leaks or other operational problems.

Physical installation is followed by commissioning, which involves a thorough check of all system functions. This includes testing the electrical systems, sensors and control software. It is important that the dosing accuracy is validated through calibration processes to ensure compliance with the intended specifications. Finally, operators and maintenance personnel should be trained in the handling and maintenance of the system to ensure smooth and efficient operation.


Integration into existing systems

Integrating a feeding station into existing systems requires careful planning and coordination to ensure that the new system works seamlessly with existing production lines. This starts with a detailed analysis of the current processes and infrastructure to identify potential interfaces and compatibility issues. It is crucial that the feeding station's software and control systems are compatible with the existing automation and monitoring systems.

In addition, the communication protocols and data formats must be coordinated to ensure a continuous flow of information. Physical connections such as piping and conveyors should be designed to allow efficient material supply without interruptions or contamination. Successful integration also often requires adjustments to existing safety and environmental protection measures. Close cooperation between engineers, technicians and IT specialists can thus ensure that the feeding station is optimally integrated into the existing production processes.

Operation and maintenance of a feeding station

The operation and maintenance of a feeding station is crucial to maintaining its performance and longevity. Regular inspections and preventive maintenance are essential to ensure smooth operation and minimize downtime.

Daily operating procedures

The daily operations of a feeding station include a number of routine tasks to ensure that the system runs efficiently and trouble-free. At the beginning of each shift change, operators should perform a visual inspection of the station to look for signs of wear or leaks. Checking and documenting material stocks is also essential to ensure continuous production without interruptions.

During operation, it is important to continuously monitor the feeding station's performance, including checking feeding accuracy and the system's responsiveness to changes in production demands. Adjustments to the dosing parameters should be made as necessary to ensure the quality and consistency of the end products. It is also crucial to carefully record all operating data to provide a basis for future optimization and maintenance.


Routine maintenance procedures

Routine maintenance is crucial to maintaining the reliability and efficiency of a feeding station. This maintenance should be carried out according to a set schedule and includes the inspection, cleaning and, if necessary, replacement of wearing parts such as seals, valves and conveying components. It is important that all moving parts are lubricated regularly to ensure smooth operation and minimize wear.

Checking sensor functions and calibrating measuring instruments are also key aspects of maintenance to ensure accuracy and consistency in dosing. Software updates should be installed and system configurations adjusted as necessary to ensure compatibility with changing production requirements. A thorough check of electrical systems and controls helps to identify and eliminate potential problems at an early stage. These proactive measures help to avoid unexpected failures and extend the service life of the feeding station.


Troubleshooting and repair

Troubleshooting and repairing a feeding station are crucial processes to minimize downtime and maintain productivity. At the first sign of a problem, rapid diagnosis by qualified personnel is required. Typical steps include checking alarm messages, reading system logs and visually inspecting the station to identify possible causes such as blockages, leaks or electrical faults.

Once the cause has been localized, the appropriate repairs should be carried out quickly. This may include replacing or repairing defective parts such as pumps, valves or sensors. For software-related problems, a reconfiguration or update may be necessary.

It is important that all repairs and adjustments are documented to create a historical database for future maintenance and fault diagnosis. Training operators to recognize and handle common problems initially can improve troubleshooting efficiency and help prevent major malfunctions.

Safety aspects

Safety aspects play a critical role in feeding station operations as they directly affect employee health and environmental safety. It is essential to implement strict safety protocols and measures to minimize risks and ensure a safe workflow.

Safety regulations

Compliance with safety regulations is of the utmost importance when handling feeding stations in order to ensure the protection of employees and the safety of the production environment. These regulations include specific guidelines concerning both the handling of materials and the operation of equipment. They vary depending on the industry and the materials used, but all aim to prevent accidents and protect the health of employees.

Basic safety regulations include the proper labeling of all hazardous materials as well as machines that require special attention. Furthermore, emergency and evacuation plans must be clearly defined and made known to all involved. Equally important is the provision and use of personal protective equipment (PPE), such as respirators, goggles and gloves, which are tailored to the specific risks of the materials being handled.

Regular training and safety briefings are required to keep staff informed of the latest safety protocols and the correct way to use feeding stations. This ensures that everyone involved has the necessary knowledge to carry out their tasks safely and effectively.


Clear work instructions

Clear work instructions are an indispensable part of operating any feeding station, as they contribute to the safety and efficiency of work processes. They serve to provide employees with precise, comprehensible and easy-to-follow steps for daily tasks as well as for special situations.

The work instructions should describe in detail how machines are to be operated, what safety precautions are to be taken and what to do in emergencies. They must cover all relevant aspects of the operation, from the preparation of materials to the actual dispensing, cleaning and maintenance of the equipment. It is important that these instructions are regularly reviewed and updated to ensure that they keep pace with technological advances and changes in working practices.

To maximize the effectiveness of work instructions, they should be written in clear and simple language and supplemented with visual aids such as diagrams, photos or videos. Training and regular meetings also help to promote understanding and correct application of the instructions. Ensuring that every employee understands and follows the work instructions not only increases productivity, but also ensures safe and reliable operation of the feeding station.

Technological trends

Technological trends in dosing station technology are constantly evolving and have a significant impact on the efficiency and precision of production processes. These innovations range from improved sensor technologies to the integration of artificial intelligence and IoT solutions that enable smarter and more networked operations management.

Digital monitoring and IoT applications

Digital monitoring and the use of Internet of Things (IoT) applications are revolutionizing the way feeding stations are operated and monitored. These technologies enable continuous real-time monitoring of operating conditions, allowing precise data to be collected on material flows, energy consumption and machine performance. This data is critical to increasing efficiency, proactively identifying maintenance needs and minimizing production downtime.

IoT-enabled feeding stations are equipped with sensors and network technology that allow machines to communicate with each other and with central control systems. This networking leads to optimized automation, where adjustments in dosing can be made automatically and in real time to ensure product quality and consistency. Operators can also access performance data from any location and carry out remote maintenance or adjust settings as required.

Digital monitoring and IoT integration also contribute to sustainability by reducing energy consumption and optimizing material usage. These technologies not only offer operational benefits, but also promote greener production by minimizing the use of resources and reducing emissions.


Integration into system visualizations

The integration of feeding stations into plant visualization systems plays a decisive role in the transparency and controllability of modern production processes. Plant visualization systems provide a graphical representation of the entire production plant, including each feeding station, on user interfaces such as HMI (Human Machine Interface) or SCADA (Supervisory Control and Data Acquisition) systems. These systems allow operators to monitor the operating status of the feeding stations in real time, enabling an immediate response to any irregularity.

Through visualization, operators can easily understand and monitor the material flow, dosing quantities and operating parameters. Alarms and notifications are displayed visually to draw attention to critical situations that require immediate action. This not only improves operational safety, but also efficiency, as problems can be quickly identified and rectified.

In addition, the integration of feeding stations into plant visualization systems enables improved data collection and analysis. Long-term data trends can be analyzed to identify patterns and further optimize process efficiency. This leads to continuous improvement in production by making operational decisions based on comprehensive, easily accessible information.

Frequently asked questions about feeding stations

What is a feeding station?

A feeding station is a system used for the precise feeding of materials such as liquids, powders or gases into production processes. It ensures precise dosing according to specified recipes.

What types of feeding stations are there?

There are manual and automatic feeding stations. Manual ones require direct human control, while automatic systems have sensors and controls that enable precise and automated material feeding.

For which industries are feeding stations particularly important?

Feeding stations are important in many industries, including the chemical, pharmaceutical, food and water treatment industries, where accurate mixing ratios are crucial.

How do you choose the right location for a feeding station?

The location should be accessible, safe and suitable to withstand environmental conditions that could affect the materials or equipment. In addition, the location should support logistical and operational requirements.

What are the main components of a feeding station?

The main components include feeding units, control systems, sensors and measuring devices that work together to ensure the accurate feeding and mixing of materials.

How is a feeding station maintained?

Maintenance includes regular inspections, cleaning, replacement of wearing parts and calibration of sensors. A preventive maintenance plan helps to minimize downtime and extend the service life of the equipment.

What safety measures must be observed for feeding stations?

Safety measures include the use of protective equipment, regular safety training for staff, clear emergency plans and compliance with safety regulations to minimize accidents and health risks.

How do you integrate a feeding station into existing systems?

Integration requires careful planning to ensure that the new station is compatible with existing production lines and software systems. This may involve adapting interfaces and communication protocols.

How do technological trends improve the functionality of feeding stations?

Technological advances such as IoT and digital monitoring enable improved precision, real-time data analysis and remote control, increasing the efficiency and responsiveness of dosing processes.

What are the most common problems with feeding stations and how do you fix them?

Common problems include blockages, leaks, sensor faults and control problems. They are rectified through regular inspections, preventive maintenance and rapid response to system alarms to prevent breakdowns and ensure operational safety.

Your contact

Björn Demmer

Shareholder - General manager

PHONE: +49 2247 918 90
E-MAIL: bdemmer(at)

Heinz Demmer

Shareholder - General manager

PHONE: +49 2247 918 90
E-MAIL: hdemmer(at)