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Paper Mill Open Air Cushion Hydraulic Headbox for Paper Pulp Making Machine1
Paper Machinery, Headbox, Paper Machine Headbox
Jiangsu Leizhan International Trade Co., Ltd.
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Product Description Product DescriptionThe Paper Machine Headbox is a key part of modern paper machines. Its structure and properties are decisive for the formation of the paper and the quality of the paper. Can effectively disperse fibers.The high turbulence headbox produces high-intensity micro-motion, which effectively disperses the fibers, prevents fiber precipitation and re-flocculation, and effectively increases the strength of the sheet.Detailed PhotosProduct ParametersFormFeaturesScope of applicationOpen typeThe pulp level in the box is used to control the speed of the online pulp (pulp speed), usually by adjusting the height of the weir in the boxGenerally used in low and medium-speed paper machinesAir cushion typeUse compressed air to adjust the air pressure above the pulp surface in the box to adjust the speed of the online pulp (that is, the pulp position does not change, and the air cushion pressure head is changed to obtain an appropriate pulp pressure head)More widely used in paper machines with higher speeds2. It is also used for some medium-speed paper machinesHydraulic full-flow typeThe headbox is filled during the pulp flow processUse the slurry pressure of the flushing pump, the slurry position of the high-level box or the air pressure of the air cushion stabilized head box to adjust the speed of the pulp on the Internet3. It cannot absorb the pulsation of pulp, so it is necessary to set up a pulse attenuation device in the pulp feeding system (such as an air cushion stabilized headbox)4. The full-flow headbox with special structure can be used as a multi-layer headboxIt is applied to the papermaking machine with sandwich screen or the new type fourdrinier paper machine or cylinder paper machine with higher speedHydraulic Full flow air cushion combined typeBased on the general full-flow headbox, an air cushion stabilization chamber and overflow device are added to stabilize the pulp pressure in the box, eliminate pulsation and eliminate foamIt is applied to the papermaking machine with sandwich net and the fourdrinier paper machine with higher speedHydraulic Multi-layer hydraulicAlong the Z direction (vertical direction) of the headbox, divide the propeller and rectifier unit of the headbox into several independent units (generally divided into 2-3 units), each unit has its own slurry feeding systemAt present this kind of headbox is only used for sandwich paper machine Company Profile
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