Paper pulp fiber separating and brooming device
By adding cellulase as a softening enhancer to the pulp fiber filament separation device, the problem of fiber cutting caused by mechanical pulp refining is solved, and the fold resistance and strength of the paper are improved.
Patent Information
- Application Number
- CN202420764802.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-12
AI Technical Summary
Mechanical agrinding will cause fiber cutting during the fiber splitting process, affecting the fiber strength and paper fold resistance.
Design a pulp fiber wire splitting device, by adding soft reinforcement agents, such as cellulase, to the surface layer, core layer and bottom layer pulp wire splitting pipelines, to the surface layer, core layer and bottom layer, to degrade long cellulose chains , avoid mechanical damage and achieve soft silk-splitting broom transformation.
Effectively retain more long fibers and improve the fold resistance and strength of paper after molding.
Smart Images
Figure CN222294555U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of papermaking equipment, in particular to a pulp fiber separation and brooming device. Background Art
[0002] Fiber fibrillation can make the fiber soft, and mechanical refining is generally used to fibrillate the fiber. However, during the mechanical refining process, a large number of fibers will be cut, which will seriously affect the overall strength of the fiber and reduce the folding resistance of the paper. Utility Model Content
[0003] In view of this, the purpose of the utility model is to provide a pulp fiber separation and brooming device for solving the above-mentioned problems.
[0004] In order to solve the above technical problems, the technical solution of the utility model is: a pulp fiber fibrillation and brooming device, including a softener storage tank, a surface layer pulp fibrillation and brooming pipeline, a core layer pulp fibrillation and brooming pipeline and a bottom layer pulp fibrillation and brooming pipeline, and a softener pumping pipeline connecting the softener storage tank with the surface layer pulp fibrillation and brooming pipeline, the core layer pulp fibrillation and brooming pipeline and the bottom layer pulp fibrillation and brooming pipeline; the surface layer pulp fibrillation and brooming pipeline includes a surface layer pulp pool, a surface layer pulp pump, a surface layer white water pool, a surface layer pulp flushing pump and a pressure screen; the input end of the surface layer pulp pump is connected with the softener pumping pipeline and the surface layer pulp pool, the input end of the surface layer pulp flushing pump is connected with the surface layer white water pool and the output end of the surface layer pulp pump, and the output end of the surface layer pulp pump is connected with the pressure screen.
[0005] Preferably, a vacuum pump is provided on the softening agent pumping pipeline.
[0006] Preferably, a flow regulating valve is provided on the softening enhancer pumping pipeline.
[0007] Preferably, the core layer pulp fibrillation and brooming pipeline and the surface layer pulp fibrillation and brooming pipeline have the same structure.
[0008] Preferably, the bottom layer pulp separation and brooming pipeline and the surface layer pulp separation and brooming pipeline have the same structure.
[0009] Preferably, the main component of the softening enhancer is cellulase.
[0010] The technical effect of the utility model is mainly reflected in: by adding a softening enhancer into the surface layer pulp fibrillation and brooming pipeline, the core layer pulp fibrillation and brooming pipeline and the bottom layer pulp fibrillation and brooming pipeline respectively, the pulp is fibrillated and broomed by the softening enhancer, avoiding mechanical damage to the fibers and reducing the length of the fibers, thereby retaining more long fibers for paper forming, thereby improving the folding resistance of the paper after forming and increasing its strength. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a system connection diagram of the utility model.
[0012] The accompanying drawings are marked as: 1-softening enhancer storage tank, 2-surface pulp silkening and brooming pipeline, 21-surface pulp pool, 22-surface pulp pump, 23-surface white water pool, 24-surface pulp flushing pump, 25-pressure screen, 3-core layer pulp silkening and brooming pipeline, 4-bottom layer pulp silkening and brooming pipeline, 5-softening enhancer pumping pipeline, 6-vacuum pump, 7-flow regulating valve. DETAILED DESCRIPTION
[0013] The specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp.
[0014] In this embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left end", "above", "back", "middle", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0015] In addition, in this specific embodiment, if the connection or fixing method between components is not specifically described, the connection or fixing method can be through bolt fixing or pin fixing, or pin shaft connection and the like commonly used in the prior art, and therefore, it will not be described in detail in this embodiment.
[0016] The utility model provides a pulp fiber separation and brooming device, such as Figure 1As shown, it includes a softener storage tank 1, a surface layer pulp separation and brooming pipeline 2, a core layer pulp separation and brooming pipeline 3 and a bottom layer pulp separation and brooming pipeline 4, and a softener pumping pipeline 5 connecting the softener storage tank 1 with the surface layer pulp separation and brooming pipeline 2, the core layer pulp separation and brooming pipeline 3 and the bottom layer pulp separation and brooming pipeline 4; the surface layer pulp separation and brooming pipeline 2 includes a surface layer pulp pool 21, a surface layer pulp pump 22, a surface layer white water pool 23, a surface layer pulp flushing pump 24 and a pressure screen 25; the input end of the surface layer pulp pump 22 is connected to the softener pumping pipeline 5, The surface layer pulp pool 21 is connected, the input end of the surface layer pulp pump 24 is connected with the surface layer white water pool 23 and the output end of the surface layer pulp pump 22, and the output end of the surface layer pulp pump 22 is connected with the pressure screen 25; by adding the softening enhancer into the surface layer pulp fibrillation and brooming pipeline 2, the core layer pulp fibrillation and brooming pipeline 3 and the bottom layer pulp fibrillation and brooming pipeline 4 respectively, the pulp is fibrillated and broomed by the softening enhancer, avoiding mechanical damage to the fibers and reducing the length of the fibers, thereby retaining more long fibers for paper forming, and improving the folding resistance of the paper after forming.
[0017] The main component of the softener in this embodiment is cellulase. The cellulase in the softener reacts with the fiber surface, breaks the hydrogen bonds between cellulose molecules on the surface of the cellulose crystals of the fiber, degrades the long cellulose chains into small molecular cellulose, and makes the fiber surface easy to disperse and broom.
[0018] Preferably, the softener pumping pipeline 5 is provided with a vacuum pump 6 for extracting the softener, and the extraction efficiency is adjusted according to the needs of pulp forming and the degree of reaction between the softener and the fiber.
[0019] Preferably, a flow regulating valve 7 is provided on the softening enhancer pumping pipeline 5 for detecting and controlling the flow of the softening enhancer.
[0020] Preferably, the core layer pulp fibrillation and brooming pipeline 3 and the surface layer pulp fibrillation and brooming pipeline 2 have the same structure.
[0021] Preferably, the bottom layer pulp separation and brooming pipeline and the surface layer pulp separation and brooming pipeline 2 have the same structure.
[0022] The technical effect of the utility model is mainly reflected in: by adding a softening enhancer into the surface layer pulp fibrillation and brooming pipeline, the core layer pulp fibrillation and brooming pipeline and the bottom layer pulp fibrillation and brooming pipeline respectively, the pulp is fibrillated and broomed by the softening enhancer, avoiding mechanical damage to the fibers and reducing the length of the fibers, thereby retaining more long fibers for paper forming, thereby improving the folding resistance of the paper after forming and increasing its strength.
[0023] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.
Claims
1. A pulp fiber separation and brooming device, characterized in that: It includes a softener storage tank, a surface layer pulp separation and brooming pipeline, a core layer pulp separation and brooming pipeline and a bottom layer pulp separation and brooming pipeline, and a softener pumping pipeline connecting the softener storage tank with the surface layer pulp separation and brooming pipeline, the core layer pulp separation and brooming pipeline and the bottom layer pulp separation and brooming pipeline; the surface layer pulp separation and brooming pipeline includes a surface layer pulp pool, a surface layer pulp pump, a surface layer white water pool, a surface layer pulp flushing pump and a pressure screen; the input end of the surface layer pulp pump is connected to the softener pumping pipeline and the surface layer pulp pool, the input end of the surface layer pulp flushing pump is connected to the surface layer white water pool and the output end of the surface layer pulp pump, and the output end of the surface layer pulp pump is connected to the pressure screen.
2. A pulp fiber separation and brooming device as claimed in claim 1, characterized in that: The softening agent pumping pipeline is provided with a vacuum pump.
3. A pulp fiber separation and brooming device as claimed in claim 1, characterized in that: The softening enhancer pumping pipeline is provided with a flow regulating valve.
4. A pulp fiber separation and brooming device as claimed in claim 1, characterized in that: The core layer pulp fibrillation and brooming pipeline and the surface layer pulp fibrillation and brooming pipeline have the same structure.
5. A pulp fiber separation and brooming device as claimed in claim 1, characterized in that: The bottom layer pulp separation and brooming pipeline and the surface layer pulp separation and brooming pipeline have the same structure.
6. A pulp fiber separation and brooming device as claimed in claim 1, characterized in that: The main component of the softening enhancer is cellulase.