English
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VGD:-Variable Groove Design
SAS:- Small Angle Sector
As believed and understood by every papermaker that refining is the heart for good paper making. PARASON’s focus is always on the optimization of available refining resources. We seek, collect, and process data and bar design implications resulting in the implementation of long-term improvements in the refining area.
Reduce Refining Energy Consumption with Low Effort Solutions
Improving refining energy efficiency should be a priority in every mill. It’s a win from every angle. With energy efficiency comes lower energy consumption, lower operating cost, and increased operational flexibility.
Refiner plates work on the principle of scissors. The multiple resolution and number of bar crossings create millions of scissors edges. Refining takes place at the bar edges, hence it is essential to have a right angle bar edge during refining.
It makes a lot of sense that a refiner disc should have uniform wear properties. Normally the variation in the wear of the refiner plates may be wavy, serrated, or flat type.
The wavy & serrated wear causes maximum fiber damage and multiple disadvantages of high power consumption, increased cost per tonne, load variations, etc. PARASON has innovated the concept of `ERP’ that is Edge Retention Property. During strenuous refining conditions, the ‘ERP’ plate has flat wear.
Casting is done by using the latest technology to provide the best condition for the alloys in temperature, time, melting technique to determine the best suitable alloy. Due consideration to properties of erosion, corrosion, wear resistance of refiner plates is taken care of.
PARASON DISC with `ERP’ has shown improvement in the energy consumption with power-saving from 6 KW / hr. to 22 KW / hr in various applications grossly. The power saved annually adds to the profitability of the mills.
Overhung plate designs with higher outer diameter, increase the capacity of the refiner & cutting edge length of the plate. Resulting in increased plate life and improved pulp quality with enhanced capacity.
There are three basic metallurgical properties required in any Refiner Discs
There must be a correct balance of these three properties. It is necessary to improve the toughness without sacrificing the wear resistance which is a great challenge. Parason has developed a wide range of metallurgy to suit the refining of various applications.
Newly proposed bar designs go through intensive R & D focused on field requirements like throughput, plate life & energy savings with a commitment to customer satisfaction..
Parason refining solutions provide uniform and efficient fiber development with ultra low intensity refiner plates
Now Parason has developed AWT treatment for Leading Edge Retention Property of Ribs for Welded Refiner Plates
In this Leica Image analyzer, all qualitative metallurgical parameters are converted into quantitative metallurgy.
The wear resistance is improved by the special treatment to transform all metastable microscopic phases into stable microscopic phases.
The wear resistance of the disc is improved without sacrificing the breakage resistance. This treatment is applicable for the Cast as well as Milled refiner plates & tackles of special metallurgy.
PARASON Variable Rib Design refiner plates are manufactured using special casting & CNC technology to attain the maximum uniformity in the refining zone by providing uniform hardness throughout the plates
PARASON Variable Rib Design refiner plates are manufactured with special cast technology to provide uniform hardness, throughout and the plates wear uniformly. Therefore, the plates wear uniformly over time.
PARASON Finedge Welded Bar refiner plates are manufactured using Special Casting & Robot Welding CNC technology to provide maximum uniformity in the refining zone. PARASON Finedge Welded Refiner Plates are Welded with special welding technology. The plates will wear uniformly over time with zero draft angle on the bar. With higher bar height and minimum bar width, the hydraulic uniformity is maintained for a longer time.
PARASON precision special cast, laser & welding manufacturing process minimizes groove width variations, which allows the finer bar to optimize low-intensity applications. Plate life is maximized due to the high bar height that is able to maintain with this technology.
Parason manufactures the Welded Refiner Plates, Tackles & Tri-Cones with an adequate height of the rib to offer more disc life & throughput.
PARASON Finedge Milled Bar refiner plates are manufactured using CNC technology to provide maximum uniformity in the refining zone.
PARASON milled bars are cast in their own foundry as a solid piece to provide uniform hardness throughout. The plates will wear uniformly over time. The zero draft angle on the bars helps in maintaining longer hydraulics.
The PARASON precision CNC Milling manufacturing process provides accurate groove width, which allows the finer bar to optimize low-intensity applications. Plate life is also maximized by re-milling which allows 2-3 life cycles.
PARASON Finedge Welded Bar refiner plates are manufactured using Special CNC technology with Robotic Welding, to provide the maximum uniformity in the refining zone. PARASON Finedge Welded Refiner Plates are cast with special metallurgy suitable for special welding technology with higher bar height and lower bar width.
The PARASON precision Special Cast, Laser & welding, manufacturing process minimizes groove width variations, which allows the finer bar to optimize low-intensity applications. Plate life is maximized due to higher bar height.
PARASON Finedge Inlet Curved Bar refiner plates are manufactured using Special Casting & CNC technology to provide maximum uniformity in the refining zone.
PARASON Finedge Curved Bar refiner plates are specially cast in our own foundry to provide uniform hardness throughout. The plates will wear uniformly over time have a longer bar length. The flow of pulp follows the grooves between the results of the bar in longer residence time. The result of Finedge Curved bars helps in more gentle refining action which continues over a longer time. Curving the refiner bars at the inlet enables them to function better as a pump. The half dams between sectors, further improve the pulp residence time resulting in improved refining.
The PARASON precision special casting & CNC manufacturing process provides accurate groove width, which allows the finer bar to optimize low-intensity applications.
PARASON Conical Refiner Fillings offer exceptional high performance level of fibre processing
PARASON manufactures conical refiner fillings are manufactured with various designs & sizes to suit the industry needs. PARASON conical fillings offer flexibility of various designs to optimize the process. Made of high strength, tough and corrosion resistant Stainless Steel Alloy.
Uniform wear ensures longer life.Precision engineering to ensure consistent quality and superior performance. PARASON’S innovation of ERP™ that is edge retention property makes the application unique and offers energy saver design.
PARASON Offers cast CONICAL filling for all models of JC-0 refiners. Large number of patterns with thick to thin bars suitable for different refining applications.
The fillings are with PARASON’S innovation ERP™ property which ensures efficient refining life with lower energy consumption. PARASON can fulfill the demand of the industry irrespective of size and model with custom designs.
PARASON cast and duly machined fillings are available for all models of conical refiners suitable for Jordan 1R, 2R, 3R, Jones, fiber master, etc.
These single-piece cast fillings with precision grinding of sharp edges ensure minimum wear to optimize life and performance. Fillings are built with special treatment for long-lasting services.
PARASON manufactures Claflin fillings for every model like 101, 202, 303, F9 refiners. The fillings are cast with stainless steel offers superior performance in the development of fiber. The long life of the fillings ensures a better economy.
Metallurgical quality control is precisely maintained at every step from raw material heat treatment to final testing for desired hardness and wear resistance that virtually eliminates edge rounding. Wear resistance and toughness results in long productive life.
PARASON cast and fabricated and duly machined fillings are available for almost all models of RTC 1000, RTC 2000, RTC 3000, RTC 4000 suitable for different grades of paper. We supply fillings both in the cast as well as fabricated type.
Various standard patterns are available for HW and SW refining, for broke refining and for refining of mechanical pulps, and various specific fiber types. Fine Edge Refiner Plates are suitable in the applications for improving capacities in both short fiber and long fiber refining.
Disperser discs often face typical initial setting troubles like:-
PARASON makes refiner plates to suit the fiberboard industry such as
PARASON technological expertise pattern making of Dams, sub-surface dam, root taper, bar design thickness by CNC machines ensures optimum performance. These filling are cast in stainless steel alloy and heat treatment, ground finished, dynamically balanced, and made ready for as per required applications.
PARASON ensures optimum results by
Technical experts apply various criteria apply for selection such as
Parason is also serving allied industries like Starch, Gum, and Agricultural Refining
Parason manufactures the Maize Grinding Discs in various designs and metallurgy. Complete range of Maize Grinding Discs from 26″ – 52″ is available.
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