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Supplier: IHS Product Design
Description: GUIDELINES FOR CORROSION RESISTANT WELD METAL OVERLAY OF DIGESTER VESSELS IN ALKALINE PULPING SERVICEShow More
Standards and Technical Documents - Trends and Advances in Process Control & Instrumentation in the Pulp & Paper Industry - ISA Automation Week 2011: Installation, Operations, & Maintenance
Description: , consistency, continuous emissions monitoring (CEM), converting, delignification, ECF, electrostatic precipitator, gasification, green liquor, headbox, high-yield pulping, infrared drying, kamyr digester, Key Performance Indicator, market pulp, open-system control system platforms, paper, paperShow More
Supplier: Metalfab, Inc.
Description: Product Overview Metalfab's rugged stainless steel Pre-Steamer Bin Activator is used primarily in the pulp and paper industries both as a standard bin activator and also to presteam wood chips as a precursor to feeding them into the digester. Presteaming the chips dramatically increases
- Equipment Type: Bin Activator System
- Size: 72 inch
- Material Characteristics: Dry / Free Flowing
- Material Type: Pulp and Paper / Wood
Description: in such applications as closed loop pneumatic conveying, fuel or process gas handling, or elevated pressure applications up to 100 PSIG (6.89 bar g) discharge. Applications: Oil-Free Handling Fuel, Utility or Process Gases Pulp/Paper Processing Laser Recirculation Systems Fluid Bed Combustion Closed
- System: Bare (No Motor, Controls)
- Style: Forced Draft
- Environment: Clean Air / Gas
- Air Flow Rate: 400 to 840 SCFM
Supplier: B+E - Stainless Valve Company
Description: Excellent performance with an absolute minimum of maintenance. This valve is built rugged enough to withstand almost any problem related to the batch pulp digesters.
- Valve Type: Gate / Knife Valves
- Primary Material of Construction: Stainless Steel
- Valve Size: 10 inch
- Number of Ports/Ways: 2
Supplier: Universal Wire Works Inc.
Description: Universal 310Mo electrodes are used for the welding of the clad side of types 316, 316L, and 317 clad steels. This alloy is also used for welding other molybdenum bearing stainless steels to mild or carbon steel. Universal 310Mo is used extensively for overlaying digesters in the pulp and paper
- Welding Process / Form: Flux Cored Wire
- Alloy Type: Steel - Stainless
- Tensile Strength (UTS): 88000 psi
- Elongation: 40 %
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Dry Kraft Pulping at Ambient Pressure for Cost Effective Energy Saving and Pollution Deduction
The third method is to first remove the free water of pretreated woodchips, followed by dry pulping using a conventional Kraft pulping digester with AQ and triton as additives.
The sulfite pulping process uses cooking liquors of sodium bisulfite or magnesium bisulfite in a pulp digester with a pH of 3.
Pulp cooking control and wood species change control for a Kamyr continuous digester
7)Wisnewski, Doyle: Model- Based Predictive Control Studies for a Continuous Pulp Digester , IEEE Transaction on control systems techno- logy, Vo1.9., NO.^., pp.435-444, 2001.
Bookshelf and Unified Agenda > Department of Labor > Occupational Safety and Health Administration > Compliance Directives > 2004 > [FDBK DOL osha.direc] CPL 0...
This is a new directive describing policies and procedures regarding pulp digesters .
For example, for pulp digesters , n = 25 and n = 50 have been reported in  and  respectively.
Nonlinear adaptive model predictive control based on self‐correcting neural network models
To test the efficiency of the proposed adaptive MPC config- uration, we implemented it on a complex nonlinear industrial reactor used in the pulp and paper industry: the continuous pulp digester .24 A rigorous first-principles model25 was used to simulate the …
Final Report ''Model-Based Approach to Soft-Sensing and Diagnosis for Control of a Continuous Digester''
Project Objective: The goal of the work was to develop and demonstrate computing based modeling and control methodologies that will facilitate integrated operations on the continuous pulp digester .
Wood Pulp Digetster Wall Corrosion Investigation
Wood Pulp Digester Wall Corrosion Investigation .
Physical model parameter estimation of a nonlinear process
Abstract— A physical model of a nonlinear subprocess in a continuous paper pulp digester is discussed and simplified.
Determining the model order of nonlinear input/output systems
Simulated pulp digester .