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US 6,294,050 B1Granted
Drying end of a machine for the production of a material web and method of drying a material web
AssigneeVoith Sulzer Papiertechnik Patent GmbH
InventorsMarkus Oechsle, Tri Chau-Huu, Roland Mayer
Life of this patent
Estimating the term…
Abstract
Drying end of a machine for the production of a material web such as paper or cardboard. The drying end includes at least one impact flow drier configured to bombard at least one surface of the material web with hot air or hot steam impact flow. Also provided is a method for drying a material web including bombarding the material web on at least one surface with hot air or hot steam impact flow, via at least one impact flow drier.
Claims122
A drying end of a machine for the production of a material web, the material web having a top surface and a botton surface, the drying end comprising:
- at least one impact flow drier configured to bombard at least one surface of the material web with at least one of hot air hot steam impact flow,
- wherein a temperature of the at least one of hot air hot steam impact flow is at least approximately 150° C.
A method for drying a material web comprising:
- bombarding the material web on at least one surface with at least one of hot air and hot steam impact flow, via at least one impact flow drier,
- wherein a temperature of the at least one of hot air and hot steam impact flow is at least approximately 150° C.
A drying end of a machine for the production of a material web, the material web having a top surface and a bottom surface, the drying end comprising:
- an impact flow drier configured to bombard the top surface of the material web with at least one of hot air and hot steam impact flow;
- a support roll operatively arranged below said impact flow drier;
- a cover wire adapted to cover the top surface of said material web during bombardment;
- and
- a continuous belt having an open support surface over which the material web is guided, said continuous belt adapted to be guided about said support roll with the material web between said continuous belt and cover wire during bombardment,
- wherein a temperature of the at least one of hot air and hot steam impact flow is at least approximately 150° C.
3 more elements
A drying end of a machine for the production of a material web, the material web having a top surface and a bottom surface, the drying end comprising:
- a first impact flow drier configured to bombard the top surface of the material web with at least one of hot air and hot steam impact flow;
- a first support roll operatively arranged below said impact flow drier;
- a first cover wire adapted to cover the top surface of said material web during bombardment;
- a first continuous belt having an open support surface over which the material web is guided, said continuous belt adapted to be guided about said support roll with the material web between said first continuous belt and said first cover wire during bombardment;
- a second impact flow drier configured to bombard the bottom surface of the material web with at least one of hot air and hot steam impact flow, said second impact flow drier positioned downstream of said first impact flow drier, in a direction of web travel;
- a second support roll operatively arranged above said second impact flow drier;
- a second cover wire adapted to cover the bottom surface of said material web during bombardment;
- and
- a second continuous belt having an open support surface over which the material web is guided, said second continuous belt adapted to be guided about said second support roll with the material web between said second continuous belt and said second cover wire during bombardment.
6 more elements
A drying end of a machine for the production of a material web, the material web having a top surface and a bottom surface, the drying end comprising:
- a first impact flow drier configured to bombard the bottom surface of the material web with at least one of hot air and hot steam impact flow;
- a first support roll operatively arranged above said impact flow drier;
- a first cover wire adapted to cover the bottom surface of said material web during bombardment;
- a first continuous belt having an open support surface over which the material web is guided, said continuous belt adapted to be guided about said support roll with the material web between said first continuous belt and said first cover wire during bombardment;
- a second impact flow drier configured to bombard the top surface of the material web with at least one of hot air and hot steam impact flow, said second impact flow drier positioned downstream of said first impact flow drier, in a direction of web travel;
- a second support roll operatively arranged below said second impact flow drier;
- a second cover wire adapted to cover the top surface of said material web during bombardment;
- and
- a second continuous belt having an open support surface over which the material web is guided, said second continuous belt adapted to be guided about said second support roll with the material web between said second continuous belt and said second cover wire during bombardment.
6 more elements
A drying end of a machine for the production of a material web, the material web having a top surface and a bottom surface, the drying end comprising:
- a first impact flow drier configured to bombard the top surface of the material web with at least one of hot air and hot steam impact flow;
- a first support roll operatively arranged below said impact flow drier;
- a first continuous belt having an open support surface over which the material web is guided;
- a second impact flow drier configured to bombard the top surface of the material web with at least one of hot air and hot steam impact flow, said second impact flow drier positioned downstream of said first impact flow drier, in a direction of web travel;
- a second support roll operatively arranged below said second impact flow drier;
- a second continuous belt having an open support surface over which the material web is guided
- a cover wire adapted to cover the top surface of said material web during bombardment and during travel between both said support rolls, and guided about said first and said second support rolls, with the material web between said first continuous belt and said cover wire during bombardment by said first impact flow drier, and with the material web between said second continuous belt and said cover wire during bombardment by said second impact flow drier.
4 more elements
A drying end of a machine for the production of a material web, the material web having a top surface and a bottom surface, the drying end comprising:
- an impact flow drier configured to bombard the top surface of the material web with at least one of hot air and hot steam impact flow;
- a plurality of support rolls operatively arranged below said impact flow drier and arranged in an arc;
- a cover wire adapted to cover the top surface of said material web during bombardment;
- and
- a continuous belt having an open support surface over which the material web is guided, said continuous belt adapted to be guided about said plurality of support rolls with the material web between said continuous belt and cover wire during bombardment.
2 more elements
A drying end of a machine for the production of a material web, the material web having a top surface and a bottom surface, the drying end comprising:
- a plurality of impact flow driers configured to bombard the top surface of the material web with at least one of hot air and hot steam impact flow, said plurality of impact flow driers sequentially positioned along a of web travel direction;
- a plurality of support rolls operatively arranged below said impact flow drier;
- a cover wire adapted to cover the top surface of said material web during bombardment;
- a common support belt having an open support surface over which the material web is guided, said common support belt adapted to be guided about said plurality of support rolls with the material web between said continuous belt and said cover wire during bombardment.
1 more element
A drying end of a machine for the production of a material web, the material web having a top surface and a bottom surface, the drying end comprising:
- a first impact flow drier configured to bombard the top surface of the material web with at least one of hot air and hot steam impact flow;
- a first latticed support roll operatively arranged below said first impact flow drier and coated with a shrink wire over which the material web is guided, and further having an internal blast chamber;
- a second impact flow drier configured to bombard the top surface of the material web with at least one of hot air and hot steam impact flow, said second impact flow drier positioned downstream of said first impact flow drier, in a direction of web travel;
- a second latticed support roll operatively arranged below said second impact flow drier and coated with a shrink wire over which the material web is guided, and further having an internal blast chamber;
- a top intermediate impact flow drier and a bottom intermediate impact flow drier positioned one above the other and adapted to bombard both surfaces of the material web, said top and bottom intermediate impact flow driers positioned between said first and second latticed support rolls;
- a cover wire adapted to cover the top surface of said material web during bombardment and during travel between both said support rolls, and guided about said first and said second latticed support rolls, with the material web between said first latticed support roll and said cover wire during bombardment by said first impact flow drier, with the material web between a wire belt and said cover wire during bombardment by said intermediate impact flow driers, and with the material web between said second latticed support roll and said cover wire during bombardment by said second impact flow drier.
3 more elements
A drying end of a machine for the production of a material web, the material web having a top surface and a bottom surface, the drying end comprising:
- a first impact flow drier configured to bombard the bottom surface of the material web with at least one of hot air and hot steam impact flow;
- a first latticed support roll operatively arranged above said first impact flow drier and coated with a shrink wire over which the material web is guided, and further having an internal blast chamber;
- a second impact flow drier configured to bombard the bottom surface of the material web with at least one of hot air and hot steam impact flow, said second impact flow drier positioned downstream of said first impact flow drier, in a direction of web travel;
- a second latticed support roll operatively arranged above said second impact flow drier and coated with a shrink wire over which the material web is guided, and further having an internal blast chamber;
- a top intermediate impact flow drier adapted to bombard the top surface of the material web and positioned between said first and second latticed support rolls;
- a plurality of support rolls arranged in an arc below said top intermediate impact flow drier;
- a cover wire adapted to cover the top surface of said material web during bombardment and during travel between both said support rolls, and guided about said first and said second latticed support rolls, with the material web between said first latticed support roll and said cover wire during bombardment by said first impact flow drier, with the material web between a wire belt and said cover wire during bombardment by said top intermediate impact flow drier, and with the material web between said second latticed support roll and said cover wire during bombardment by said second impact flow drier.
4 more elements
A drying end of a machine for the production of a material web, the material web having a top surface and a bottom surface, the drying end comprising:
- an impact flow drier configured to bombard the top surface of the material web with at least one of hot air and hot steam impact flow;
- a support roll operatively arranged below said impact flow drier;
- a continuous belt having an open support surface over which the material web is guided, said continuous belt adapted to be guided about a portion of said support roll;
- a top intermediate impact flow drier and a bottom intermediate impact flow drier positioned one above the other and adapted to bombard both surfaces of the material web, said top and bottom intermediate impact flow driers positioned downstream of said support roll in a direction of web travel;
- and
- a cover wire adapted to cover the top surface of said material web during bombardment by said impact flow drier and said intermediate flow driers, and guided about a portion of said support roll, with the material web between said continuous belt and said cover wire during bombardment by said impact flow drier, and with the material web between a wire belt and said cover wire during bombardment by said intermediate impact flow driers.
3 more elements
Dependencies are inferred from the claim text.