A paper machine headbox
A headbox and paper machine technology, applied in paper machine, paper machine, wet end of paper machine, etc., can solve the problems of poor paper quality indicators such as paper folding endurance, unable to meet production requirements, etc., and achieve stable quantitative effect.
Active Publication Date: 2021-06-08
绍兴州致电子有限公司
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Problems solved by technology
Compared with the fourdrinier paper machine, the paper produced by the cylinder paper machine is poor in paper quality indicators such as smoothness and folding resistance, and cannot meet the production requirements of high-grade paper such as long-fiber special paper
Method used
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Embodiment
[0028] Embodiment: a kind of paper machine headbox, as figure 1 As shown, it includes a pulp feeding device 1, a homogenizing device 4 installed on the downstream side of the pulp feeding device 1 for homogenization, a connecting device 2 connecting the homogenizing device 4 and the pulp feeding device 1, and a The slurry device 3 for water injection and the slurry flow device 5 installed on the downstream side of the homogenizer 4 . Wherein the slurry feeding speed of the slurry feeding device 1 is the same as the output speed of the slurry flow device 5, and the slurry feeding device 1 is controlled by a sensor and intermittently feeds the slurry into the homogenizing device 4, so as to ensure the original slurry in the homogenizing device 4. The height of the pulp page remains constant, thereby ensuring that the raw pulp flows to the slurry flow device 5 at a uniform speed and quantitatively.
[0029] refer to Figure 1-2 , the pulp feeding device 1 includes a pulp storag...
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The invention discloses a paper machine headbox, which relates to the field of papermaking equipment; the main points of the technical solution are: including a pulp feeding device, a homogenizing device, a connecting device, a pulp thinning device, a pulping device, and a pulp feeding device of the pulp feeding device The speed is the same as the pulping speed of the flow device, and the pulping device intermittently feeds pulp into the homogenizing device; the homogenizing device includes a homogenizing barrel, a homogenizing roller, a pulp inlet, a pulp outlet, a homogenizing roller and a The slurry barrel is arranged coaxially and can rotate along its axis. The slurry outlet is set at the position near the bottom of the homogenization barrel and lower than the liquid level in the homogenization barrel; the slurry flow device includes a lower lip, a limit column, a sliding The upper lip connected to the outer wall of the homogenizing barrel, the limit groove arranged on the upper lip, and the nut threaded on the limit post, the upper lip moves toward or away from the lower lip. The invention achieves the effect of stabilizing the quantification of the paper banner through the mutual cooperation of the pulp feeding device, the pulp thinning device, the connecting device, the homogenizing device and the pulping device.
Description
technical field [0001] The invention relates to the field of papermaking equipment, in particular to a headbox of a papermaking machine. Background technique [0002] Paper machines can be divided into cylinder and fourdrinier models according to the type of sheet former used. Due to the advantages of simple structure, convenient operation, and low investment cost, the cylinder paper machine still occupies an important position in the domestic paper industry, especially small and medium-sized enterprises. hold an important position. Compared with the fourdrinier paper machine, the paper produced by the cylinder paper machine is poor in paper quality indicators such as smoothness and folding resistance, and cannot meet the production requirements of high-grade paper such as long-fiber special paper. [0003] The headbox is a key device of the cylinder paper machine, which plays a key role in making good quality paper sheets. One of the basic tasks of the headbox is to ensur...
Claims
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IPC IPC(8): D21F1/06D21F1/08
CPCD21F1/06D21F1/08
Inventor 周柏太
Owner 绍兴州致电子有限公司