Moisture cross profile

A machine for making a fibrous material web including a measuring arrangement for determining disturbances of a moisture cross profile of the fibrous material web, said machine comprising:

• at least one water-permeable belt;
• said belt being wrapped around a roll;
• said measuring arrangement comprising:
• a water collection device running at right angles to a web running direction, said water collection device having the form of one of a trough, or channel;
• a plurality of partitions dividing the water collection device into sections, said partitions being positioned next to one another at right angles to the web running direction and being allocated to the roll;
• and
• at least one measuring unit for measuring the amount of water drained from the sections per time unit.

A machine for making a fibrous material web including a measuring arrangement for determining disturbances of a moisture cross profile of the fibrous material web, said machine comprising:

• at least one water-permeable belt;
• two press rolls, at least one of the press rolls coming in contact with the belt;
• a press nip formed by said two press rolls, said fibrous material web being guided together with the belt through said press nip;
• said measuring arrangement comprising:
• a water collection device in the form of one of a trough or channel;
• a plurality of partitions dividing the water collection device into sections arranged next to one another at right angles to a web running direction and being allocated to the at least one press roll that comes into contact with the belt;
• and
• at least one measuring unit for measuring the amount of water drained from the sections per time unit.

A machine for making a fibrous material web including a measuring arrangement for determining disturbances of a moisture cross profile of the fibrous material web, said machine comprising:

• at least one water-permeable belt;
• a suction device running at right angles to a web running direction, wherein the suction device comprises one of a pipe suction device, or a suction box;
• said belt being guided over said suction device running at right angles to a web running direction;
• said measuring arrangement comprising:
• a water collection device running at right angles to a web running direction, said water collection device having the form of one of a trough, or channel;
• a plurality of partitions dividing the suction device into sections, said partitions being positioned next to one another at right angles to the web running direction and being allocated to the roll;
• and
• a measuring unit for measuring the amount of water drained from the sections per time unit.

A paper making machine comprising:

• a former for sheet formation;
• a water-permeable belt embodied as a former wire for guiding the sheet;
• a water collection device having several sections separated from one another for collecting and draining off water released from the belt;
• and
• a measuring arrangement for determining disturbances of a moisture cross profile of the sheet by measuring per time unit, the amount of water in each section,
• wherein said sections extend at right angles to a sheet running direction over only a partial section of the sheet.

A paper making machine comprising:

• a press section for dewatering;
• a water-permeable belt embodied as a press felt;
• a water collection device having several sections separated from one another for collecting and draining off water released from the belt;
• and
• a measuring arrangement for determining disturbances of a moisture cross profile of the belt by measuring per time unit, the amount of water in each section,
• wherein said sections extend at right angles to a belt running direction over only a partial section of the belt.

A measuring arrangement for determining disturbances of a moisture cross profile of a fibrous material web made in a machine for making the web, wherein the machine includes at least one water-permeable belt wrapped around a roll, said measuring arrangement comprising:

• a water collection device running at right angles to a web running direction, said water collection device having the form of one of a trough, or channel;
• a plurality of partitions dividing the water collection device into sections, said partitions being positioned next to one another at right angles to a web running direction and being allocated to a roll;
• and
• at least one measuring unit for measuring the amount of water drained from the sections per time unit.

A measuring arrangement for determining disturbances of a moisture cross profile of a fibrous material web made in a machine for making the web, wherein the machine includes at least one water-permeable belt and two press rolls,

• at least one of the press rolls coming in contact with the belt, a press nip formed by said two press rolls, said fibrous material web being guided together with the belt through said press nip, said measuring arrangement comprising:
• a water collection device having the form of one of a trough, or channel;
• a plurality of partitions dividing the water collection device into sections arranged next to one another at right angles to a web running direction and being allocated to the at least one press roll that comes into contact with the belt;
• and
• at least one measuring unit for measuring the amount of water drained from the sections per time unit.

A machine for making a fibrous material web including a measuring arrangement for determining disturbances of a moisture cross profile of the fibrous material web, said machine comprising:

• at least one water-permeable belt;
• said belt being wrapped around a roll;
• said measuring arrangement comprising:
• a water collection device running at right angles to a web running direction, said water collection device having the form of one of a trough, or channel;
• a plurality of partitions dividing the water collection device into sections, said partitions being positioned next to one another at right angles to the web running direction and being allocated to the roll;
• at least one measuring unit for measuring the amount of water drained from the sections per time unit;
• one of a control or adjustment unit for at least one moisture cross profile correction unit, the at least one measuring unit being connected to said one of a control or adjustment unit, wherein the moisture cross profile correction unit comprises one of, a jet or spray pipe controllable in zones at right angles to the web running direction for wetting, or a suction device for dewatering.

A machine for making a fibrous material web including a measuring arrangement for determining disturbances of a moisture cross profile of the fibrous material web, said machine comprising:

• at least one water-permeable belt;
• two press rolls, at least one of the press rolls coming in contact with the belt;
• a press nip formed by said two press rolls, said fibrous material web being guided together with the belt through said press nip;
• said measuring arrangement comprising:
• a water collection device running at right angles to a web running direction, said water collection device having the form of one of a trough, or channel;
• a plurality of partitions dividing the water collection device into sections, said partitions being positioned next to one another at right angles to the web running direction and being allocated to the roll;
• at least one measuring unit for measuring the amount of water drained from the sections per time unit;
• one of a control or adjustment unit for at least one moisture cross profile correction unit, the at least one measuring unit being connected to said one of a control or adjustment unit, wherein the moisture cross profile correction unit comprises one of, a jet or spray pipe controllable in zones at right angles to the web running direction for wetting, or a suction device for dewatering.