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Paper Machine Drives - Eaton

recommended for all but the dryer sections. Be-cause of the thermal load, only type VC is rec-ommended for the dryer. Follow the selection procedure given in Section B to determine the clutch size to use. Limit the maximum friction couple velocity to 4500 fpm (22 mps). Machine Section SF Fourdrinier Couch w/plain bearings 2.2

Dryer Section Drives - David Brown Santasalo

Paper Making; Dryer Section Drives. David Brown Santasalo has a long history of supplying machine frame gearing for dryer sections, having developed a special shaft-mounted gear unit for dryer section vacuum rolls. The DRG drive is a compact mechanical power transmission for dryer sections that includes all necessary components built into the ...

Voith realizes ropeless threading for board machines in ...

HEIDENHEIM, GERMANY. In board machines, threading the paper web following shutdowns or breaks in the dryer section has until now been a complicated and time-consuming process. The process of using ropes to guide the tail through the dryer section presents safety risks and involves an extensive maintenance effort. A new Voith solution offers paper manufacturers unprecedented flexibility and ...

Gap Former Paper Machine & Stock Preparation Area | Solenis

6 - Dryer Section The pulp slurry used to produce paper enters the paper machine as a blend of 99% water and 1% fiber. While gravity, vacuums and the press section help to remove about 50% of the water from the sheet, the dryer section uses heated cylinders to reduce the .

Paper machine - Wikipedia

The dryer section of the paper machine, as its name suggests, dries the paper by way of a series of internally steam-heated cylinders that evaporate the moisture. Calenders are used to make the paper surface extra smooth and glossy. In practice calender rolls are normally placed vertically in a stack.

Cans And Section - Dryers - Paper machine & component

valmet paper machine dryer section - 50 dryers valmet - face: 374" - dia: 70" - 72 psi . sku 10170-1017 . paper machine dryer roll - valmet dryer face: 374" - (9500mm) dryer dia: 70" - (1800mm) max operating pressure 72 psi (5bar) complete section, 50 dryers including 14 vacrolls dryer (slalom run) ...

3 Pressing - AstenJohnson

sheet grade and paper machine, typical sheet consistency at the beginning of the press section is 20% fiber and 80% water and at the end of the press section is 45% fiber and 55% water. At the end of the press section, the sheet is transferred to the dryer section. FIGURE 3.1. Schematic of simple press nip. During pressing, the sheet is compressed

Paper Machine Dryer Gearing - spin-corp

Paper Machine Conditions Affecting Dryer Gearing. Wear Conditions. Inspection of Dryer Gearing. Lubrication. Paper Machine Dryer Gearing. Paper Machine Dryer Gearing. Open type cast iron spur gears were the common dryer section drive systems in paper machines up through the 1960's. Many were later converted to use a combination of cast iron ...

4 Drying - AstenJohnson

paper machine. The sheet, which is formed in the forming section, and consolidated and dewatered to a certain extent in the press section, enters the dryer section for the removal of the remaining water in its structure. At the entrance to the forming section, the paper stock is ~99% water. A significant amount of

Steam and Condensate for papermachines

Dryers of paper machines are only tube heat exchangers. Simply said, steam flows into the dryer, the dryer is cooled by the paper and steam became condensate. The ... The pipes for the supply of the pre-drying section, the after-drying section and the auxiliary consumers are

Papermaking PAPERMACHINE – PRESSING 1. .

pressing operation is important for the capacity and economy of a paper machine and has great influence on paper quality. It determines the dryness of the sheet entering the dryer section. It has a major impact on the structure and runnability of the paper and thus the operating efficiency of the machine (Wahlstrom, 1969).

Paper Machine Components - Can-Am Machinery

Class: Paper Machine Components » Dryers » Cans And Sections Manufacturer: Escher Wyss Part Number: 41420 Size: 110" Year Manufactured: 1980 Qty: 6 Description: Escher Wyss Manchester (6) Dryer Can Section, Rated 125 Psi At 450 F, 110" Working Face, 60" Diameter, 112.5" With Rope Ring, 115" Overall Width, Enclosed Bearings, With Rope System, Doctors, Felt Guides, Felt Rolls, Oil .

Dryer Section Control in Paper Machines During Web Breaks ...

and Deutsch, 1999G. Principles for analyzing dryer section steam and condensate systems is treated in FHill, 1993G. 2.1 The paper machine The main purpose of a paper machine is to produce paper quicklywhile also keeping a constant quality. Today, paper machines run at speeds up to 2000 m min and with 10 m wide cylinders.

Gap Former Paper Machine & Stock Preparation Area | Solenis

6 - Dryer Section The pulp slurry used to produce paper enters the paper machine as a blend of 99% water and 1% fiber. While gravity, vacuums and the press section help to remove about 50% of the water from the sheet, the dryer section uses heated cylinders to reduce the .

4 Drying - AstenJohnson

paper machine. The sheet, which is formed in the forming section, and consolidated and dewatered to a certain extent in the press section, enters the dryer section for the removal of the remaining water in its structure. At the entrance to the forming section, the paper stock is ~99% water. A significant amount of

Steam and Condensate for papermachines

Dryers of paper machines are only tube heat exchangers. Simply said, steam flows into the dryer, the dryer is cooled by the paper and steam became condensate. The ... The pipes for the supply of the pre-drying section, the after-drying section and the auxiliary consumers are

Dryer Section Net For Paper Mills - China Pulp Machine ...

Dryer Section Net For Paper Mills. Dryer Screen Description:. Dryer screen dries paper web after passing a press section by adhering the web to a steam heated cylinder. In the dryer section of paper machine, the paper sheet travels around large-diameter heated cylinders, remaining water is removed by evaporations advanced design structure can get stable performance and run-ability even when ...

Paper Machine Dryer Section Tuning: A Novel Solution to ...

Paper machine dryer sect ions create challenges in tuning due to gear backlash. This problem is amplified when older paper machines are upgraded with newer, higher-performance drive systems.

China Paper Machine Dryer Section Fabric - China Large ...

Paper Machine Dryer Section Fabric Material of Dryer Fabrics: Polyester Color of Dryer Screen: white and blue CFM of Spiral Dryer Canvas: 900cfm to 1250cfm Model of Spiral Dryer Fabric: Large loop, medium loop and small loop FAQ: 1. Q: How to confirm the type? A: There are many methods for us to confirm the type:

Toscotec | Products - Paper&Board machines: Drying section

In the case of a new paper machine it is possible to use fewer dryers, which clearly results ( IMMAGINE ) in a reduced investment cost and space with reduced investment in the building. As a rebuilding tool when upgrading an existing paper machine, there is significant increased drying capacity when simply replacing the cast iron dryers without ...

Intelli-MicroCrepe® - PMP Group

For kraft sack paper manufacturers, PMP offers Intelli-MicroCrepe reg;. Extensible unit is installed in paper machine dryer section where the dryness of the paper web is within range of 60-65% . The wet and plastic paper passes through the nip between running rubber blanket and rotating drying cylinder. The blanket is loaded by a fixed steel...

Guide roll apparatus for a dryer of a paper machine drying ...

The guide roll apparatus generally designated 22 shown in FIGS. 3 and 4 is disposed adjacent to a dryer 12B of a paper machine drying section generally designated 24. The apparatus 22 guides a contiguous web WB and a web-supporting felt FB through the drying section 24.

US5983523A - Method for controlling curl of paper in a ...

A method in a dryer section of a paper or board machine for controlling curl of paper, in which steam treatment and/or moistening of the paper web is/are employed. The operations carried out in order to control the curl of the paper web are carried out in a number of stages when the web temperature is, during at least one stage, lower than 85° C., preferably lower than 75° C., and when the ...

OPTIMIZATION FOR ENERGY CONSUMPTION IN DRYING .

system of a paper machine is basically a heat exchanger network that transfers energy from the humid exhaust air of the dryer section to various process streams [5]. A typical paper machine heat recovery system set-up is presented in fig. 1 [6]. As shown the humid exhaust air from the * Corresponding author, e-mail: [email protected]

Paper Machine Drives - Eaton

recommended for all but the dryer sections. Be-cause of the thermal load, only type VC is rec-ommended for the dryer. Follow the selection procedure given in Section B to determine the clutch size to use. Limit the maximum friction couple velocity to 4500 fpm (22 mps). Machine Section SF Fourdrinier Couch w/plain bearings 2.2

Paper machine drying rate, Technical Information Paper TIP ...

This TIP outlines procedures for calculating paper machine drying rates for coated and uncoated papers and provides drying rate curves. The objective of the TIP is to define rate of water removal on a common basis for mills to use to compare a particular machine to past performance and to other machines.

Thermodynamic and Heat Transfer Evaluation of Pocket ...

the paper machine drying section based on the mass and energy balance relationships written for paper, steam, moisture and cylinder dryer [19-21]. The simulation models can be utilized to evaluate the energy efficiency and heat recovery performance in the drying section of paper machines. Sivill et al. have developed a

Yankee Dryer Cylinder Of Paper Making Machine,Toilet Paper ...

Yankee Dryer Cylinder Of Paper Making Machine,Toilet Paper Machine Dryer Cylinder Dryer Section, Find Complete Details about Yankee Dryer Cylinder Of Paper Making Machine,Toilet Paper Machine Dryer Cylinder Dryer Section,Paper Machine Dryer Section,Yankee Dryer Cylinder Of Paper Making Machine,Toilet Paper Machine Dryer Cylinder from Paper Machinery Parts Supplier .

D21F 5 - Dryer section of machines for making continuous ...

Patents for D21F 5 - Dryer section of machines for making continuous webs of paper (5,645) 06/2014: 06/25/2014: CN103890263A For ...

Dryer Section of Paper Machine | Scientific.Net

Abstract: In paper dryer section of the paper machine, paper dehydration is small, but the steam consumption for the process of dehydration is very large, this steam consumption has a great influence to the total steam consumption of the whole papermaking process. A method optimization of the dryer section based on genetic algorithm is proposed ...

Drying Section Optimization

Drying Section Optimization PM drying section optimization improves process The EV Group (EVG) is a team of specialists providing customized services and technologies to op-timize paper machine runnability, process efficiency, and paper qua-lity. EVG is specialized in solving PM operational bottlenecks and problems. They offer tailored