Characterization of the fiber–water separation process ...

May 18, 2012· During paper forming on a single-wire paper machine, i.e. a Fourdrinier or a hybrid paper machine, the pulp suspension is dewatered on a moving wire mainly through vacuum assisted devices (suction boxes). The dewatering process is supposed to occur by dead-end filtration under constant pressure as long as the fiber mat (filter cake) remains fully saturated with water.

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US5328569A - Curved suction box apparatus in a papermaking ...

The present invention also includes the suction box apparatus 34 1 shown in FIG. 2 for transferring the web WA from a fourdrinier wire 12A onto a press felt 14A. The curved suction box apparatus 34 1 is substantially identical to the curved suction box apparatus 34 shown in FIG. 2.

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Apparatus and method for sealing a suction box of a ...

The present invention relates to a sealing construction for a suction box of a suction roll in a paper machine and a method for sealing a vacuum space in a suction roll. In the prior art, it is a problem that wear of the seals used in the suction rolls prevents the .

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Optimize paper machine water removal | Valmet

Therefore, it offers a reasonable savings potential or extra capacity in drying-limited machines. Traditionally, water removal from the web in the press section has been carried out with felts, which mainly remove water with the help of suction boxes (so-called Uhle box dewatering).

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Flat Suction Box at Paper Machines Manufacturer,Supplier ...

PAP-TECH ENGINEERS & ASSOCIATES - is one of the leading manufacturer,supplier & exporter of Flat Suction Box at Paper Machines from Jaipur,Rajasthan,India

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Hydrofoil dewatering elements suction box cover for paper ...

Hydrofoil dewatering elements suction box cover for paper machine dewatering hydrofoils hygroscopic box for paper machine hydrofoil dewatering elements suction box cover for paper machine dewatering hydrofoils hygroscopic box for paper machine produces an extremely smooth surface, most importantly resulting of a low friction coefficient; a low level of adhesion.

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Top level professional suction box cover for paper machine ...

Quality Top level professional suction box cover for paper machine,CNC polyethylene UHMWPE dewatering suction box cover,UHMWPE forming b - find quality UHMWPE paper machinery Dewatering elements, Plastic Sheets & UHMWPE paper machinery Dewatering elements from Shandong Ningjin Xinxing Chemical Co., Ltd. of China Suppliers - 129013753.

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US5328569A - Curved suction box apparatus in a papermaking ...

The present invention also includes the suction box apparatus 34 1 shown in FIG. 2 for transferring the web WA from a fourdrinier wire 12A onto a press felt 14A. The curved suction box apparatus 34 1 is substantially identical to the curved suction box apparatus 34 shown in FIG. 2.

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Uhle Boxes, Strips & Covers - Vacuum pumps for Paper ...

The uhle/suction boxes have an integrated "open throat" design with internal structural support that allows for the weight of ceramic strips without fear of failure. This dewatering element is the "heart" of a paper machine. If the suction/uhle box is sized correctly the proper amount of water from the felt will be removed before the ...

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US Patent for Suction box in a paper machine Patent ...

Suction box in a paper machine including a vacuum chamber, a deck or a number of substantially U-section holders open toward a wire and ribs arranged in the deck or the holders so that they can be loaded against the wire. At least in a running situation, the deck of the suction box is curved or the ribs are arranged to provide a curve run of the wire so that the wire tension of the curved run ...

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(PDF) Design equation for paper machine press sections

This work on modeling dewatering at the vacuum suction boxes of the paper machine, is based on previous work on modeling wet pressing. [1][2] [3] ...

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US3741866A - Suction box arrangement for a paper machine ...

the cover of a suction box consists of units juxtaposed over the width of the machine and individually fastened to the rigid base of the box. each unit consists of a group of parallel rail sections spacedly jutaposed in the direction in which the fourdriner wire or screen moves over the cover and of one or more supporting elements secured to all the sections in the group and connecting the ...

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suction box, suction box Suppliers and Manufacturers at ...

Paper machine vacuum suction box dewatering elements ceramic hydrofoil vacuum suction box cover . US $4400-$4500 / Set 1 Set (Min. Order) 3 YRS . Qinyang Aotian Machinery Manufacturing Co., Ltd. 92.9%. Contact Supplier ...

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Flat Suction Box at Paper Machines Manufacturer,Supplier ...

PAP-TECH ENGINEERS & ASSOCIATES - is one of the leading manufacturer,supplier & exporter of Flat Suction Box at Paper Machines from Jaipur,Rajasthan,India

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Paper Box Machine Spare Parts - Paper Box Machine Suction ...

Manufacturer of Paper Box Machine Spare Parts - Paper Box Machine Suction Box, Paper Box Machine Spare Parts offered by Shriram Mechanical Industries, Navi Mumbai, Maharashtra.

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Top level professional suction box cover for paper machine ...

Quality Top level professional suction box cover for paper machine,CNC polyethylene UHMWPE dewatering suction box cover,UHMWPE forming b - find quality UHMWPE paper machinery Dewatering elements, Plastic Sheets & UHMWPE paper machinery Dewatering elements from Shandong Ningjin Xinxing Chemical Co., Ltd. of China Suppliers - 129013753.

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Paper Machine Components - Can-Am Machinery

Class: Paper Machine Components » Rolls » Suction Manufacturer: Voith Model No: SUCTION PRESS 22" OD Part Number: 42851 Qty: 1 Description: Voith Suction Press Roll, 122" Drilled Face, 132.25 Whole Face, 150" Bearing Center, 23.5" Outer Diameter

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Vacuum Cups and Suction Cups For the Packaging Industry

Used for sorting and collating machines, inserters, files, bookbinding and paper packaging lines ANVER offers a wide range of vacuum suction cups known as "suckers" in the packaging industry. These also include flange mount and push-in type suction cups for paper and carton handling equipment, and precision molded suction cups for general ...

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China Paper Machine Rolls,Suction Press Roll,Vacuum Couch ...

Product categories of Paper Machine Rolls, we are specialized manufacturers from China, Paper Making Rolls, Vacuum Press Roll suppliers/factory, wholesale high-quality products of Vacuum Couch Roll R & D and manufacturing, we have the perfect after-sales service .

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GUIDELINES FOR Cleaning and Conditioning Paper Machine ...

Uhle boxes used vary somewhat with paper grade, here are some general guidelines that apply to all machine setups. The most widely used of all cleaning methods is the full-width shower followed by a full-width suction box. This sys-tem forms a simple yet effective mechanical cleaning system

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Blow-suction box or equivalent for a paper machine or ...

Feb 20, 2001· 1. A blow suction box for a paper machine, which box (20) comprises . at least a pressure chamber (22) and which box (20) is placed in the vicinity of one of a cylinder and roll (15) from which one of the cylinder and roll (15) one of a web (W) and a wire (F) is fitted to run past the box (20), in connection with the pressure chamber (22),

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Premier | PAPERMILL SUCTION BOX

For suction box service at wet end of paper press in pulp and paper industry, where extreme flexibility, lateral deflection and contraction are so important. Convoluted inside tube. Supplied with soft cuffs. Made to order, vacuum rating should be specified when ordering or inquiring.

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Paper machine - Wikipedia

A paper machine (or paper-making machine) ... The hollow shell roll rotates over a stationary suction box, normally placed at the top centre or rotated just down machine. Vacuum is pulled on the suction box, which draws water from the web into the suction box. From the suction .

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» Proper Design/Use of Suction Roll Seals

Almost every paper machine will have at least one suction roll, and most machines will have two or more such rolls. The suction roll consists of two primary components; a rotating shell and a stationary vacuum box. As the shell rotates around the vacuum box, a vacuum inside the box pulls through a gap in the top of the box and through the holes ...

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Vacuum Ceramic Suction Box And Dewatering Machine For ...

Vacuum Ceramic Suction Box And Dewatering Machine For Paper Making Machine, Find Complete Details about Vacuum Ceramic Suction Box And Dewatering Machine For Paper Making Machine,Vacuum Ceramic Suction Box,Dewatering,Paper Making Machine from Paper Processing Machinery Supplier or Manufacturer-Qinyang Aotian Machinery Manufacturing Co., Ltd.

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paper machine: Wet suction boxes

Jul 03, 2008· The underpressure between the foils makes the suction pulses longer and more water is sucked through the fibre net. The vacuum in the suction boxes is increased keeping step with the growth of the fibre network. When the wire has passed the last suction box, the free stock is in most cases gone and the water mirror on the wire has disappeared.

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Suction box in paper machine and method in the suction box ...

Nov 27, 2001· A suction box in a paper machine including a vacuum chamber, a deck or a number of substantially U-section holders open toward a wire and ribs arranged in the deck or the holders so that they can be loaded against the wire. At least in a running situation, the deck of the suction box is curved or the ribs are arranged to provide a curve run of ...

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Felt Suction Box Cover of Dewatering Element for Paper Mill

Felt Suction Tank, Felt Suction Box, Ceramic Vacuum Box for Felt manufacturer / supplier in China, offering Felt Suction Box Cover of Dewatering Element for Paper Mill, 180 Degree Needle Punched Polyester Felt for Machines, Fireproof Nonwoven Kevlar .

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8 Paper Machine Troubleshooting - AstenJohnson

Paper Machine Clothing · Second Edition | 249 Symptom Areas to Consider Guiding • High vacuum on suction boxes • Improper guide palm sensitivity • Uneven fabric tension front-to-back • Insufficient wrap on guide roll • Lead-in to guide roll too short • Lead-out from guide roll too long • Diagonal of drilled boxes

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Leading Paper mill machinery supplier for Paper Machinery ...

Leading Paper mill machinery Supplier for Paper Machinery Assemblies, Paper Machinery Components and Paper Machinery Consumables including Doctor Blades Systems, Paper Machine, Head box, Blade Holder, Suction Box. We also supply new and used paper machinery. We represent well-known paper machinery manufacturers.

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Suction Cups for Paper Handling Equipment

Suction Cups for Paper Handling Equipment A full line of rubber vacuum suction cups for use in sorting and collating machines, inserters, printing, packaging, and other paper handling equip-ment is being introduced by ANVER Corporation of Hudson, Massachusetts.

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