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
Rebuild Kit OD 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 Upgrade kit for our existing disc filter customers to improve their availability and capacity.
Green Liquor Clarifier G3 conversion Upgrade kit for existing green liquor clarifiers increase the capacity and perfromance in terms of flow and suspended solids.
Clarifier Rake Drive Kit Conversion kit for replacing drives in clarfiers and thickeners (Dorr, Hedemora) gives improved supervision,control and reliability.
White liquor
Rebuild Kit OD The newly designed one-piece center shaft features externally accessed stuffing boxes and plain bearings.
High dP Disc Kit Upgrade kit for our existing disc filter customers to improve their availability and capacity.
White liquor disc filter washing system Cleans both the filter and the scraper system efficiently and thoroughly. Suitable for all white liquor disc filters regardless of make.
Green Liquor Clarifier G3 conversion Upgrade kit for existing green liquor clarifiers increase the capacity and perfromance in terms of flow and suspended solids.
Slaker lower bearing kit Upgrade of the lower bearing on the lime slaker classifier screw, using the existing classifier.
Tube filter extension kit By expanding the filter area, the white liquor filtration capacity will increase.
Lime Mud
Polymer lining kit Polymer lining for the drum filter scraper table, preventing lime mud build-up
Eductor Upgrade Improve the agitation in the LM filter and increase availability of the filter
HiPac Retrofit 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 Upgrade kit for our existing disc filter customers to improve their availability and capacity
Drum Precoat Renewal System Renew the precoat on the lime mud filter during operation
Lime Reburning
Lime Kiln Drive and Gear 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 Improved availability and reduced refractory cost
Lime Kiln Bearing Heavy-duty design with high endurance
Lime Kiln Thrust Device Transfers the axial load from the rotary kiln to one, or several supports – hydraulic or mechanical

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