Optimizing Paper Industry Efficiency with Pyrometer Temperature Measurement

The paper industry is an apex of modern civilization because it manufactures some basic products ranging from office paper and packing material to the newspaper and sanitary products. This industry significantly participates in the sectors of education, communication, packing, and hygiene. Temperature measurement is an important factor in the process of making paper.

Precise temperature monitoring ensures quality product, process effectiveness and operational safety. Pyrometers stand out among various temperature measurement technologies due to their highly valued precision and non-contact capabilities.

We will consider an interesting application of paper-making, application areas of pyrometers, and how Tempsens solutions specifically address those requirements in this blog.

Why Temperature Measurement is Important in Paper Manufacturing

The paper manufacturing process involves multiple stages where temperature measurement is vital. From turning wood into pulping to drying, every stage requires precise temperature control to maintain the desired product quality and process efficiency. A Few reasons why temperature measurement is essential are as follows:

• QualityControl : A uniform temperature would ensure a homogeneous physical paper property, such as strength, thickness, or texture. Cracks or other defects could come up due to lack of constant temperature; the surface would not have a smooth finish because the sheet is warped, and there is the possibility of discoloration.
• Energy Efficiency : Accurate temperature control plays a key role in striking the right balance between process effectiveness and energy use. This means paper producers can make the most of their energy consumption and cut down on expenses, while also reducing their impact on the environment through careful monitoring and adjustment of temperature. .
• Safety : When equipment gets too hot at various points, it can break down or even start fires. Keeping an eye on the temperature helps spot possible problems. This prevents accidents and makes sure the workplace stays safe.
• Process Optimization : Real-time temperature data helps in improving paper manufacturing processes, leading to enhanced productivity and reduced downtime, facilitating paper manufacturers to maintain optimal operating conditions, ensuring the smooth running of the production line. .

Application Areas of Pyrometers in Paper Industries

• Pulping : For producing high-quality pulp, controlling the temperature of the chemical reactions during the pulping process is very important. Pyrometers help in maintaining the optimal temperature, ensures efficient break down of wood chips into pulp.

• Drying :The drying area plays a crucial role in paper production machinery where keeping tabs on heat levels is key. Getting the temperature right leads to paper that dries steering clear of problems like creases and patchy thickness.

• Calendaring : The paper is passed through a number of rolls to achieve the desired smoothness and gloss. During this operation, pyrometers are employed to check the rollers to ensure that they fall within a certain range, thus guaranteeing consistency in the final product.

• Coating : With regards to proper adhesion and drying of the coating material, precise temperature control is needed for the coating application on paper. Real-time temperature data from pyrometers enables manufacturers to exercise control over the necessary coating quality.

Tempsens Solutions: A450C+, EL50, AL30 Pyrometers

Tempsens, a leader in thermal and cable solutions, offers advanced pyrometers designed to meet the specific needs of the paper industry.

A450C+Pyrometer– Lime Kiln application

In the paper industry, lime kiln refers to a high-temperature area within a pulp mill where limestone /calcium carbonate is heated to produce quicklime (calcium oxide), a crucial chemical used in the papermaking process, specifically in the “causticizing” stage where it helps to separate lignin from cellulose fibers; this high temperature zone within the kiln is considered the “hot spot” where the primary chemical reaction occurs, typically reaching temperatures around 900°C.

The A450C+ is designed for accurate and reliable temperature measurement in disturbed atmosphere like a lime kiln

Key features include :

• • • Two-Color Technology : Allows for accurate temperature measurement even in conditions where the target is partially obstructed or has varying emissivity.
    • Fixed Focused Optics : This would allow measuring it precisely with high precision targeting and high accuracy. .
    • Wide Operating Temperature Range : The A450C++ allows one to measure temperatures of 600°C to 2500°C. This means that it applies well to a wide range of operations in the paper-making industry.
    • Robust Design : Designed to survive the toughest industrial operating conditions, the A450C+ is rugged and dependable for long-term performance. .

AL30 Pyrometer- Drying processes

The AL30 pyrometer is ideal for monitoring temperatures in drying processes, ensuring efficient operation and product quality.

• • • Temperature Range : The AL30 can measure temperatures from -20°C to 1000°C, ;
    • Fixed Optics : Provides consistent measurement over a fixed focal point, ideal for large or stationary targets.
    • Robust Design : Engineered to withstand the demanding conditions of industrial dryers.
    • Ease of Integration :Simple installation and compatibility with existing systems for efficient process control.

EL50 Pyrometer- Calendaring and Coating applications

• Temperature Range : Measures temperatures from -20° – 800°C for optimized calendaring and coating applications.
• Fixed Optics : It has large field of view to cover maximum area.
• Inbuilt Display and Keys for Parameterizing : User can easily operate the instrument without help of any PC or laptop.
• Output : EL50 provides analog output 0/4…20mA, Voltage output 0…10V, Thermocouple output, Relay out and Digital out RS 232/485 & USB
• Enhanced Connectivity : May include features such as Ethernet or other connectivity options for integration with process control systems and remote monitoring.

In relation to the paper mill process,measurement of temperature plays an important role in influencing the product quality, energy savings, safety, and process optimization. Being a non-contact measurement competence, the pyrometers are very accurate and dependable thermometers for all stages of temperature measurements of paper and thus, quite indispensable in the paper industry..

Tempsens, with over 45 years of experience in thermal and cable solutions, provides advanced pyrometers, designed to meet the specific needs of paper manufacturers. With a presence in over 70 countries, Tempsens continues to be a trusted partner in delivering innovative temperature measurement solutions, ensuring excellence and efficiency in paper manufacturing.