Slurry mixing device of mixed slurry disc mill
By using electromagnetic reversing control of the pulp mixing device, the problem of uneven paper appearance caused by inconsistent fiber length was solved, thus improving the uniformity and smoothness of the pulp and enhancing the paper forming quality.
Patent Information
- Application Number
- CN202520704949.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-14
AI Technical Summary
In cardboard box production, the significant differences in fiber length between waste paper pulp, softwood pulp, and hardwood pulp lead to problems with poor paper appearance and uniformity.
A mixed pulp disc milling and mixing device is adopted. It is electrically connected to the incoming material signal identification component through an electromagnetic reversing component. The device controls the switching of different processing pipelines according to the fiber length input signal, and performs decomposition and disc milling on waste paper, softwood pulp and hardwood pulp respectively to ensure consistent fiber length.
This improved the uniformity and smoothness of the pulp, thereby enhancing the quality of paper forming.
Smart Images

Figure CN223951500U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to paper forming equipment field, concretely relates to a mixed pulp disc mill pulp distribution device. BACKGROUND
[0002] In order to guarantee that carton has good appearance, in the production of wrapping paper, the surface layer of paper needs to keep good service performance and surface performance. Because the pulp used for paper surface layer uses waste paper pulp, coniferous wood pulp and broadleaf wood pulp simultaneously. The length of waste paper fiber, coniferous wood fiber and broadleaf wood pulp fiber is quite different, if not handled properly, the too big deviation of fiber length will cause that paper appearance and uniformity are not good. SUMMARY
[0003] Therefore, the utility model aims at providing a mixed pulp disc mill pulp distribution device to solve the above problems.
[0004] In order to solve the above technical problem, the technical scheme of the utility model is as follows: a mixed pulp disc mill pulp distribution device, including incoming material end, incoming material signal identification component, pulping component, high concentration residue removal component, electromagnetic reversing component, first paper pulp treatment pipeline, second paper pulp treatment pipeline, third paper pulp treatment pipeline, surface layer mixing pool and surface layer pulp forming pool, the incoming material end is communicated with the pulping component, the bottom of the pulping component is communicated with the feed inlet of the high concentration residue removal component, the electromagnetic reversing component is arranged on the good pulp port of the high concentration residue removal component, the first paper pulp treatment pipeline, second paper pulp treatment pipeline and third paper pulp treatment pipeline are all communicated with the electromagnetic reversing component, the outflow port of the first paper pulp treatment pipeline, second paper pulp treatment pipeline and third paper pulp treatment pipeline are all communicated with the surface layer mixing pool, the electromagnetic reversing component is electrically connected with the incoming material signal identification component, and is subjected to the reversing signal that the incoming material signal identification component outputs according to the input signal of the incoming material of different fiber length, so that the electromagnetic reversing component opens the treatment pipeline corresponding to the fiber length.
[0005] Preferably, the first paper pulp treatment pipeline includes waste paper bleached pulp storage pool, defiberizing component and first post-milling pulp pool, the defiberizing component is communicated between the waste paper bleached pulp storage pool and the first post-milling pulp pool, and is used for dispersing short fibers in waste paper bleached pulp.
[0006] Preferably, the second paper pulp treatment pipeline includes bleached coniferous wood pulp storage pool, first vertical pipe, three-disc mill pulp assembly and second post-milling pulp pool, the first vertical pipe is internally provided with a pump body and is communicated with the bleached coniferous wood pulp storage pool at one end and communicated with the three-disc mill pulp assembly at the other end, and the outflow end of the three-disc mill pulp assembly is communicated with the second post-milling pulp pool.
[0007] As preferred, the third paper pulp treatment pipeline comprises a bleached broad-leaf wood pulp storage tank, a second vertical pipe, a two-disc refining assembly and a third post-refining tank; the second vertical pipe is internally provided with a pump body and one end of the second vertical pipe is in communication with the bleached broad-leaf wood pulp storage tank and the other end of the second vertical pipe is in communication with the two-disc refining assembly, and a pulp outlet end of the two-disc refining assembly is in communication with the third post-refining tank.
[0008] As preferred, a discharge pulp tank and a third vertical pipe are further arranged between the pulping assembly and the high-concentration residue removal assembly, the third vertical pipe is internally provided with a pump body, and a bottom of the third vertical pipe extends into an interior of the discharge pulp tank, and a top of the third vertical pipe is in communication with a feeding port of the high-concentration residue removal assembly.
[0009] As preferred, a stirring assembly is arranged in the surface layer mixing tank.
[0010] As preferred, the electromagnetic reversing assembly is a single four-way electromagnetic reversing valve or a single five-way electromagnetic reversing valve or a plurality of three-way electromagnetic valves connected in series.
[0011] As preferred, the electromagnetic reversing assembly is further in communication with a blowdown pipe.
[0012] The technical effects of the utility model mainly embody that: the electromagnetic reversing assembly is electrically connected with the incoming material signal recognition assembly, and receives a reversing signal output by the incoming material signal recognition assembly according to an input signal of incoming material of different fiber lengths, so that the electromagnetic reversing assembly opens a treatment pipeline corresponding to the fiber length, and then the first paper pulp treatment pipeline, the second paper pulp treatment pipeline and the third paper pulp treatment pipeline are used to separate and refine different fiber lengths respectively, so that paper pulp of the same length is produced, the pulp reaches a proper beating degree, the produced paper has good smoothness, and the quality is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The utility model discloses a structure schematic diagram.
[0014] The figure sign is: 1-incoming material signal recognition assembly, 11-incoming material end, 2-pulping assembly, 21-discharge pulp tank, 22-third vertical pipe, 3-high-concentration residue removal assembly, 4-electromagnetic reversing assembly, 5-first paper pulp treatment pipeline, 51-waste paper bleached pulp storage tank, 52-separation assembly, 53-first post-refining tank, 6-second paper pulp treatment pipeline, 61-bleached needle-leaf wood pulp storage tank, 62-first vertical pipe, 63-three-disc refining assembly, 64-second post-refining tank, 7-third paper pulp treatment pipeline, 71-bleached broad-leaf wood pulp storage tank, 72-second vertical pipe, 73-two-disc refining assembly, 74-third post-refining tank, 8-surface layer mixing tank, 9-surface layer pulp tank. DETAILED DESCRIPTION
[0015] The specific embodiments of the present application are further described in detail below with reference to the accompanying drawings, so that the technical scheme of the present application is easier to understand and master.
[0016] In the present embodiment, it is to be understood that the terms "intermediate", "upper", "lower", "top", "right side", "left end", "upper", "back", "middle", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0017] In addition, in the present specific embodiment, the connection or fixing method between the components is not particularly described, and the connection or fixing method can be bolted or pinned, or connected by a pin shaft, etc. commonly used in the prior art, so that in the present embodiment, it is not described in detail.
[0018] The present application provides a mixed pulp disc mill pulp preparation device, as shown in Figure 1 The present application provides a mixed pulp disc mill pulp preparation device, as shown in
[0019] As a preferred, the first pulp treatment pipeline 5 includes waste paper bleached pulp storage tank 51, the defibration assembly 52 and the first post-milling pulp tank; the defibration assembly 52 is communicated between the waste paper bleached pulp storage tank 51 and the first post-milling pulp tank, for dispersing short fibers in waste paper bleached pulp, the defibration assembly 52 mainly focuses on separating fibers, cutting less, and facilitating the retention of short fibers in waste paper bleached pulp.
[0020] As preferred, the second pulp treatment pipeline 6 comprises a bleached softwood pulp storage tank 61, a first vertical pipe 62, a three-disc refiner assembly 63 and a second post-refining tank 64; the first vertical pipe 62 is internally provided with a pump body and one end thereof is in communication with the bleached softwood pulp storage tank 61 and the other end thereof is in communication with the three-disc refiner assembly 63, and the pulp outlet end of the three-disc refiner assembly 63 is in communication with the second post-refining tank 64; the three-disc refiner assembly 63 has two refining zones composed of three discs, and has strong pulp treatment capacity, which is more beneficial to the cutting of long fibers.
[0021] As preferred, the third pulp treatment pipeline 7 comprises a bleached hardwood pulp storage tank 71, a second vertical pipe 72, a two-disc refiner assembly 73 and a third post-refining tank 74; the second vertical pipe 72 is internally provided with a pump body and one end thereof is in communication with the bleached hardwood pulp storage tank 71 and the other end thereof is in communication with the two-disc refiner assembly 73, and the pulp outlet end of the two-disc refiner assembly 73 is in communication with the third post-refining tank 74; the two-disc refiner assembly 73 has one refining zone composed of two discs, and has a cutting effect on fibers which is not as good as that of the three-disc refiner assembly 63, but is better than that of the defiberizing assembly 52.
[0022] As preferred, a discharge pulp tank 21 and a third vertical pipe 22 are further arranged between the pulping assembly 2 and the high-concentration residue removal assembly 3, the third vertical pipe 22 is internally provided with a pump body, the bottom of the third vertical pipe 22 extends into the interior of the discharge pulp tank 21, and the top of the third vertical pipe 22 is in communication with the feed inlet of the high-concentration residue removal assembly 3; the third vertical pipe 22 is used to keep the liquid level stable, so that the pressure during pulp pumping is stable, and the stability of the treatment is improved.
[0023] As preferred, the surface layer mixing tank 8 is internally provided with a stirring assembly for uniformly stirring the mixed pulp, so as to improve the uniformity of the paper after forming.
[0024] As preferred, the electromagnetic reversing assembly 4 is a single four-way electromagnetic reversing valve or a single five-way electromagnetic reversing valve or a plurality of three-way electromagnetic valves connected in series.
[0025] As preferred, the electromagnetic reversing assembly 4 is further connected with a blowdown pipe.
[0026] The utility model discloses technical effect mainly embodies: through the electromagnetic commutation subassembly with the incoming material signal identification subassembly electric connection, and receive the incoming material signal identification subassembly according to the input signal of different fibre length's incoming material corresponding output's commutation signal, make the electromagnetic commutation subassembly will corresponding fibre length's processing pipeline open, again through first paper pulp processing pipeline, second paper pulp processing pipeline and third paper pulp processing pipeline respectively to different fibre length carry out defibration and disc mill, make the paper pulp of output same length fibre, thereby realize the pulp to reach proper knurling degree, the paper smoothness of production is better, improves quality.
[0027] Of course, the above is only a typical example of the utility model, in addition to this, the utility model can have other various specific implementation manners, and all the technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of the utility model claimed.
Claims
1. A hybrid pan mill distribution device, characterized by, The paper pulp processing system comprises a material inlet end, a material signal identification assembly, a pulping assembly, a high-concentration residue removal assembly, an electromagnetic switching assembly, a first paper pulp processing pipeline, a second paper pulp processing pipeline, a third paper pulp processing pipeline, a surface layer mixing pool and a surface layer pulp forming pool; the material inlet end is in communication with the pulping assembly, the bottom of the pulping assembly is in communication with the feed inlet of the high-concentration residue removal assembly, the electromagnetic switching assembly is arranged on the good pulp outlet of the high-concentration residue removal assembly, the first paper pulp processing pipeline, the second paper pulp processing pipeline and the third paper pulp processing pipeline are all in communication with the electromagnetic switching assembly, the pulp outlets of the first paper pulp processing pipeline, the second paper pulp processing pipeline and the third paper pulp processing pipeline are all in communication with the surface layer mixing pool; the electromagnetic switching assembly is electrically connected with the material signal identification assembly, and is subjected to a switching signal output by the material signal identification assembly according to an input signal of material with different fiber lengths, so that the electromagnetic switching assembly opens the processing pipeline corresponding to the fiber length.
2. A hybrid pan mill distribution device as claimed in claim 1, wherein, The first paper pulp processing pipeline comprises a waste paper bleached pulp storage pool, a defiberizing assembly and a first post-milling pulp pool; the defiberizing assembly is in communication between the waste paper bleached pulp storage pool and the first post-milling pulp pool, and is used for dispersing short fibers in the waste paper bleached pulp.
3. A hybrid pan mill distribution device as claimed in claim 1, wherein, The second paper pulp processing pipeline comprises a bleached coniferous wood pulp storage pool, a first vertical pipe, a three-disc refiner assembly and a second post-milling pulp pool; the first vertical pipe is internally provided with a pump body, and one end thereof is in communication with the bleached coniferous wood pulp storage pool, and the other end thereof is in communication with the three-disc refiner assembly; the pulp outlet end of the three-disc refiner assembly is in communication with the second post-milling pulp pool.
4. A hybrid pan mill distribution device as claimed in claim 1, wherein, The third paper pulp processing pipeline comprises a bleached broadleaf wood pulp storage pool, a second vertical pipe, a two-disc refiner assembly and a third post-milling pulp pool; the second vertical pipe is internally provided with a pump body, and one end thereof is in communication with the bleached broadleaf wood pulp storage pool, and the other end thereof is in communication with the two-disc refiner assembly; the pulp outlet end of the two-disc refiner assembly is in communication with the third post-milling pulp pool.
5. A hybrid pan mill distribution device as claimed in claim 1, wherein, A discharge pulp pool and a third vertical pipe are further arranged between the pulping assembly and the high-concentration residue removal assembly; the third vertical pipe is internally provided with a pump body, and the bottom of the third vertical pipe extends into the interior of the discharge pulp pool, and the top of the third vertical pipe is in communication with the feed inlet of the high-concentration residue removal assembly.
6. A hybrid pan mill distribution device as claimed in claim 1, wherein, A stirring assembly is arranged in the surface layer mixing pool.
7. A hybrid pan mill distribution device as claimed in claim 1, wherein, The electromagnetic switching assembly is a single four-way electromagnetic switching valve or a single five-way electromagnetic switching valve or a plurality of three-way electromagnetic valves connected in series.
8. A hybrid pan mill distribution device as claimed in claim 7, wherein, The electromagnetic switching assembly is further connected with a blowdown pipe.