Process upgrades for white liquor plant

How to raise the production efficiency or quality to the new level and at the same time lower the maintenance costs?

Process upgrades are small or mid-size investments that opens up production bottlenecks or extends the original process design limitations. Typical process upgrade building blocks are design engineering, new components, new machine and process controls and efficient commissioning and start-up service.

Cost effective way to reach new production targets

Valmet's goal is to maintain the competitiveness of our customers' core processes and to develop them throughout their lifecycles. Valmet automation upgrades include smart lifecycle management for optimized TCO, automation updates and installations with complete start-up and process support as well as process improvements for the entire fiberline. We provide problem-solving support and investment planning for a number of different automation platforms, always according to customer need.

Pulp producers typically look for improved capacity and quality while maintaining or increasing competitiveness. With newest technologies, materials and designs, smart automation upgrades and solutions help reach these targets. Benefits include production cost savings, improved runnability and higher availability of automation equipment.

Valmet's expertise and experience is incorporated in all our products, giving us unparalleled insight into all aspects of upgrading processes and machinery. We are committed to continuously researching and developing new technologies, materials and designs to enhance the performance of existing equipment and processes.

Benefits

  • Upgrading existing machinery or process is a cost effective way to reach new production targets or to lower the maintenance costs

  • In process upgrades the customer value is built on the targeted process KPIs and guaranteed results

 

Green liquor
Sector Alignment Tool SAT_230x120.jpg We offer an alignment tool for sectors in disc filters, enabling straighter sectors, providing improved capacity and availability.
Green Liquor Cooling System Green-liquor-cooling_230x_120.jpg Enables a more stable process, preventing the risk of boiling in the slaker, and improving the operation performance of the slaker and the white liquor plant.
Rebuild Kit OD optidisc.jpg The newly designed one-piece center shaft features externally accessed stuffing boxes and plain bearings. The disc kit exists of new sectors, pull-rod sector connectors and filter bags.
High dP Disc Kit High_dP_Disc_230x120.png Upgrade kit for our existing disc filter customers to improve their availability and capacity.
Green Liquor Clarifier G3 conversion FeedWell_230x120.png Upgrade kit for existing green liquor clarifiers increase the capacity and perfromance in terms of flow and suspended solids.
Clarifier Rake Drive Kit Clarifier-rake-drive-230x112.jpg Conversion kit for replacing drives in clarfiers and thickeners (Dorr, Hedemora) gives improved supervision,control and reliability.
Green Liquor Clarifier G2 Rebuild Green Liquor Clarifier G2 Rebuild enables a clear improvement of your already existing equipment, without increasing the footprint.
Caustisizing
Lime Slaker imageiqyes.png Valmet Lime Slaker provides a stable and safe solution for customers in their transformation of green liquor into lime milk.
Slaker lower bearing kit Slaker_Lower_Bearing_230x112.png Upgrade of the lower bearing on the lime slaker classifier screw, using the existing classifier.
White liquor
Sector Alignment Tool SAT_230x120.jpg We offer an alignment tool for sectors in disc filters, enabling straighter sectors, providing improved capacity and availability.
Rebuild Kit OD optidisc.jpg The newly designed one-piece center shaft features externally accessed stuffing boxes and plain bearings. The disc kit exists of new sectors, pull-rod sector connectors and filter bags.
High dP Disc Kit High_dP_Disc_230x120.png Upgrade kit for our existing disc filter customers to improve their availability and capacity.
Green Liquor Clarifier G3 conversion FeedWell_230x120.png Upgrade kit for existing green liquor clarifiers increase the capacity and perfromance in terms of flow and suspended solids.
White liquor disc filter washing system White-liquor-disc-filter_cleaning_230x120.png Cleans both the filter and the scraper system efficiently and thoroughly. Suitable for all white liquor disc filters regardless of make.
Slaker lower bearing kit Slaker_Lower_Bearing_230x112.png Upgrade of the lower bearing on the lime slaker classifier screw, using the existing classifier.
Tube filter extension kit Tube-Filter-Expansion-rebuild-kit-(TFE)_main.jpg By expanding the filter area, the white liquor filtration capacity will increase.
Lime Mud
Sector Alignment Tool SAT_230x120.jpg We offer an alignment tool for sectors in disc filters, enabling straighter sectors, providing improved capacity and availability.
Polymer lining kit Polymer-lining_230x120.png Polymer lining for the drum filter scraper table, preventing lime mud build-up
Eductor Upgrade Eductor_230x120.png Improve the agitation in the LM filter and increase availability of the filter
HiPac Retrofit HiPac_230x120.png Improve the availability of the LMCD-filter by stabilizing the permeability of the lime mud at a higher level than original design
High dp Disc Kit High_dP_Disc_230x120.png Upgrade kit for our existing disc filter customers to improve their availability and capacity
Drum Precoat Renewal System squirt.jpg Renew the precoat on the lime mud filter during operation
Lime Reburning
Thrust Device Pressure Sensor The thrust device plays a crucial part in ensuring that the lime kiln is kept in place. Valmet’s Thrust Device Pressure Sensor measures the axial pressure of the lime kiln
Lime Kiln Drive and Gear Kiln-drive_570x277.jpg The function of the kiln drive is to transfer the torque of the kiln motor to the kiln tube
Lime Kiln Tyre and Kiln Shell Kiln-tyre-attachment_230x112.jpg Improved availability and reduced refractory cost
Lime Kiln Bearing KilnBearings.jpg Heavy-duty design with high endurance
Lime Kiln Thrust Device Kiln-thrust-device_main.jpg Transfers the axial load from the rotary kiln to one, or several supports – hydraulic or mechanical

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