WO2024036901A1 - 一种制浆机 - Google Patents

一种制浆机 Download PDF

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Publication number
WO2024036901A1
WO2024036901A1 PCT/CN2023/077010 CN2023077010W WO2024036901A1 WO 2024036901 A1 WO2024036901 A1 WO 2024036901A1 CN 2023077010 W CN2023077010 W CN 2023077010W WO 2024036901 A1 WO2024036901 A1 WO 2024036901A1
Authority
WO
WIPO (PCT)
Prior art keywords
dispersing
grinding
pipe
chamber
spoiler
Prior art date
Application number
PCT/CN2023/077010
Other languages
English (en)
French (fr)
Inventor
汪谢
杨海伦
袁超
戴小兵
贺杰
Original Assignee
宏工科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宏工科技股份有限公司 filed Critical 宏工科技股份有限公司
Priority to EP23790528.6A priority Critical patent/EP4349469A1/en
Priority to US18/502,441 priority patent/US20240066477A1/en
Publication of WO2024036901A1 publication Critical patent/WO2024036901A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2721—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces provided with intermeshing elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/59—Mixing systems, i.e. flow charts or diagrams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/51—Methods thereof
    • B01F23/511—Methods thereof characterised by the composition of the liquids or solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/70—Pre-treatment of the materials to be mixed
    • B01F23/708—Filtering materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/70—Pre-treatment of the materials to be mixed
    • B01F23/71—Grinding materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0724—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis directly mounted on the rotating axis

Definitions

  • the utility model relates to the technical field of mixing equipment, in particular to a pulping machine.
  • a powder-liquid mixer disclosed in patent document No. CN113499698A includes a mixing chamber and a dispersing chamber.
  • the flow direction of the slurry is cyclically: mixing chamber (ie, stirring chamber) ⁇ mixing discharge port ⁇ liquid storage tank ( That is, solvent tank) ⁇ liquid feed port ⁇ dispersion chamber ⁇ mixing chamber.
  • the powder materials based on the pulping machine may be mixed with hard impurities (such as screws), which may cause damage to the dispersing device (or grinding device, shearing device) of the pulping machine.
  • hard impurities such as screws
  • this utility model is to provide a pulping machine that has a protective function to prevent hard impurities (such as screws) from causing damage to the dispersing device (or grinding device) of the pulping machine. damage.
  • a pulping machine including a frame, a mixing device, and a dispersing device;
  • the frame has a mixing chamber and a dispersing chamber, the mixing device is accommodated in the mixing chamber, and the dispersing device is accommodated in the dispersing chamber ;
  • the dispersion chamber has a liquid inlet, the mixing chamber has a liquid outlet, the liquid inlet, the dispersion chamber, and the The mixing chamber and the liquid outlet are connected in sequence;
  • the mixing chamber also has a powder material inlet, and the powder material inlet, the mixing chamber, and the liquid outlet are connected in sequence along the flow direction of the powder material;
  • the liquid outlet is connected with a filter device.
  • the filtering device includes a first pipe and a second pipe, the first pipe is connected to the liquid outlet, the second pipe is located below the first pipe, and the top of the second pipe Communicated with the bottom wall of the first pipe, the first pipe is used to connect the liquid storage tank, and the bottom of the second pipe has a blocking structure.
  • the blocking structure is detachably connected to the second pipeline.
  • the frame is also provided with a cooling chamber, which is wrapped around the periphery of the dispersion chamber and is isolated from the dispersion chamber.
  • the inlet of the cooling cavity is located at the bottom of the cooling cavity, and the outlet of the cooling cavity is located at the top of the cooling cavity.
  • the pulping machine further includes an internal circulation flushing pipe, the internal circulation flushing pipe is connected with a flushing valve and a power water pump, the inlet of the internal circulation flushing pipe is connected to the mixing chamber, and the internal circulation flushing pipe The outlet of the flushing pipe faces the mixing device.
  • the mixing device includes a centrifugal impeller, which is pivotally connected to the frame through a rotating shaft; the impeller body of the centrifugal impeller has a plurality of upper blades, and the plurality of upper blades surround the impeller.
  • the impeller body of the centrifugal impeller is also connected with a plurality of lower blades.
  • the plurality of lower blades are located directly below the impeller body and are arranged at intervals around the circumference of the impeller body. ;
  • the lower blade extends from the inside to the outside along the radial direction of the impeller body to the edge of the bottom of the impeller body; the lower blade is provided with a plurality of turbulence orifices;
  • each upper blade is connected to the bottom of one of the lower blades, and the bottom of the upper blade continues to extend from the edge of the bottom of the impeller body along the radial direction of the impeller body.
  • a protruding part is formed, and the outermost end of the lower blade extends to just below the protruding part, so that a small stirring area is formed between two adjacent protruding parts;
  • the plurality of turbulence orifices of the lower blade are located on the horizontal side of the small stirring zone;
  • the upper blade is a monolithic structure and extends downward spirally and obliquely along the circumferential direction of the impeller body;
  • the mixing device also includes a dispersing centrifugal wheel body.
  • the dispersing centrifugal wheel body has a plurality of cutting rods.
  • the plurality of cutting rods are spaced on the side walls of the dispersing centrifugal wheel body; the dispersing centrifugal wheel body has a plurality of cutting rods.
  • the body is connected to the top of the impeller body;
  • the breaking centrifugal wheel body is detachably connected to the impeller body; the side wall of the cutting rod has multiple sharp edges;
  • the body of the breaking-up centrifugal wheel is arranged in a vertebral structure, and the cross-sectional outer contour of the body of the breaking-up centrifugal wheel gradually becomes larger from top to bottom; a plurality of the cutting rods are arranged along the circumference of the body of the breaking-up centrifugal wheel. Extend downward spirally and at intervals to form a dispersing unit combination, and a plurality of the dispersing unit combinations are distributed at intervals around the circumference of the dispersing centrifugal wheel body.
  • the dispersing device includes a grinding stator and a grinding rotor; both the grinding stator and the grinding rotor have a disc-shaped structure, and the grinding stator and the grinding rotor are coaxially and stacked; the grinding stator A plurality of first axial through holes are provided, and the plurality of first axial through holes are spaced apart from each other; the grinding rotor is provided with a plurality of second axial through holes, and a plurality of second axial through holes are provided. The holes are spaced apart from each other; when the grinding rotor rotates relative to the grinding stator, at least part of the first axial through hole and at least part of the second axial through hole can communicate.
  • a first spoiler component is provided on the end surface of the grinding stator facing the grinding rotor.
  • the first spoiler component includes a plurality of first spoiler units, and the plurality of first spoiler units are arranged at intervals from each other;
  • a second spoiler assembly is provided on the end surface of the grinding rotor facing the grinding stator.
  • the spoiler assembly includes a plurality of second spoiler units, and the plurality of second spoiler units are arranged at intervals from each other;
  • the first spoiler unit has a groove structure; the first spoiler unit has a strip-shaped structure and extends from the inside to the outside in the radial direction of the grinding stator; and the second spoiler unit is Groove structure; the second spoiler unit has a strip-shaped structure and extends from the inside to the outside in the radial direction of the grinding rotor;
  • the grinding stator and the grinding rotor are spaced apart to form a slurry flow gap therebetween.
  • the filter device After the powder material is mixed with the liquid (i.e. solvent) in the mixing chamber, it needs to pass through the filter device first, and then pass through the dispersion device of the dispersion chamber, so that the hard impurities (such as screws) mixed in the powder material have been filtered by the filter device. Therefore, hard impurities (such as screws) will not cause damage to the dispersing device, which improves the protective capability of the pulping machine.
  • Figure 1 is a schematic structural diagram of a pulping machine of the present invention, in which the solid arrow line is the flow direction of the powder material, and the dotted arrow line is the flow direction of the slurry;
  • FIG. 2 is a schematic structural diagram of the centrifugal impeller of Figure 1;
  • Figure 3 is another perspective view of Figure 2;
  • Figure 4 is a schematic structural diagram of the connection between the breaking centrifugal wheel body and the cutting rod of Figure 1;
  • Figure 5 is a schematic structural diagram of the dispersion device of Figure 1;
  • Figure 6 is a schematic structural diagram of the grinding stator of Figure 5;
  • FIG. 7 is a schematic structural diagram of the grinding rotor of FIG. 5 .
  • 1. Frame 11.
  • Mixing chamber 111. Liquid outlet; 112. Powder material inlet; 12.
  • Dispersion chamber 121. Liquid inlet; 13. Cooling chamber; 2.
  • Mixing device 21. Centrifugal impeller ; 211. Impeller body; 212. Upper blade; 2121. Protruding portion; 213. Lower blade; 2131. Turbulent orifice; 214. Small stirring area; 22. Break up the centrifugal wheel body; 221. Cutting rod; 3. Dispersion device; 31. Grinding stator; 311. First axial through hole; 312. Second spoiler assembly; 3121.
  • Second spoiler Unit 32, grinding rotor; 321, second axial through hole; 322, first spoiler assembly; 3221, first spoiler unit; 33, flow gap; 4, filter device; 41, first pipe; 42, Second pipeline; 43. Blocking structure; 5. Internal circulation flushing pipeline; 51. Flushing valve; 6. Rotating shaft; 7. Ball valve.
  • Figure 1 shows a pulping machine according to a preferred embodiment of the present invention, which includes a frame 1, a mixing device 2, and a dispersing device 3.
  • the frame 1 has a mixing chamber 11 and a dispersing chamber 12.
  • the mixing device 2 is accommodated in the mixing chamber 11, and the dispersing device 3 is accommodated in the dispersing chamber 12.
  • the dispersing chamber 12 has a liquid inlet 121, and the mixing chamber 11 has a liquid outlet 111.
  • the liquid inlet 121, the dispersing chamber 12, the mixing chamber 11, and the liquid outlet 111 are connected in sequence.
  • the chamber 11 also has a powder material inlet 112, and the powder material inlet 112, the mixing chamber 11, and the liquid outlet 111 are connected in sequence along the flow direction of the powder material.
  • the liquid outlet 111 is connected to the filter device 4 .
  • the slurry flow direction of the pulping machine is: liquid storage tank ⁇ liquid inlet 121 ⁇ dispersion chamber 12 ⁇ mixing chamber 11 ⁇ liquid outlet 111 ⁇ filter device 4 ⁇ liquid storage tank.
  • the flow direction of hard impurities is: powder material inlet 112 ⁇ mixing chamber 11 ⁇ liquid outlet 111 ⁇ filter device 4.
  • the dispersion stage will stop the feeding of powder materials and fully disperse the slurry to improve the mixing degree of the slurry, that is, improve the performance of the slurry.
  • the delivery of powder materials is controlled by the ball valve 7 on the top of the frame 1 .
  • the filter device 4 Before the powder material is mixed with the liquid (i.e. solvent) in the mixing chamber 11, it needs to pass through the filter device 4 first, and then pass through the dispersing device 3 of the dispersing chamber 12, so that the hard impurities (such as screws) mixed in the powder material have been filtered out by the filtering device 4, so hard impurities (such as screws) will not cause damage to the dispersing device 3, that is, the protection capability of the pulping machine is improved.
  • the filtering device 4 includes a first pipe 41 and a second pipe 42.
  • the first pipe 41 is connected to the liquid outlet 111
  • the second pipe 42 is located below the first pipe 41
  • the top of the second pipe 42 It is connected to the bottom wall of the first pipe 41 for connecting the liquid storage tank
  • the bottom of the second pipe 42 has a blocking structure 43 .
  • the blocking structure 43 is detachably connected to the second pipe 42 .
  • the dispersing device 3 will generate a large amount of heat during the process of dispersing the slurry.
  • the frame 1 is also provided with a cooling cavity 13.
  • the cooling cavity 13 is wrapped around the slurry.
  • the periphery of the dispersion chamber 12 is isolated from the dispersion chamber 12 .
  • the inlet of the cooling cavity 13 is located at the bottom of the cooling cavity 13
  • the outlet of the cooling cavity 13 is located at the top of the cooling cavity 13 .
  • a pulping machine further includes an internal circulation flushing pipe 5.
  • the internal circulation flushing pipe 5 is connected with a flushing valve 51 and a power water pump.
  • the inlet of the internal circulation flushing pipe 5 is connected to the mixing chamber 11.
  • the internal circulation flushing pipe 5 The outlet of the pipe 5 faces the mixing device 2 . In this way, the slurry in the mixing chamber 11 is pumped to the mixing device 2 through the internal circulation flushing pipe 5, thereby bringing the powder material remaining on the mixing device 2 into the slurry.
  • the mixing device 2 includes a centrifugal impeller 21, which is pivotally connected to the frame 1 through the rotating shaft 6; the impeller body 211 of the centrifugal impeller 21 has a plurality of upper blades 212, and a plurality of upper blades 212.
  • the blades 212 are arranged at intervals around the circumferential direction of the impeller body 211 .
  • the impeller body 211 of the centrifugal impeller 21 is also connected to a plurality of lower blades 213 .
  • the plurality of lower blades 213 are located directly below the impeller body 211 and are arranged at intervals around the circumference of the impeller body 211 .
  • the lower blades 213 extend from the inside to the outside along the radial direction of the impeller body 211 to the edge of the bottom of the impeller body 211 .
  • the lower blade 213 is provided with a plurality of turbulence holes 2131 .
  • the powder is evenly distributed around the bottom of the impeller body 211 through the upper blades 212, so as to improve the mixing efficiency of the slurry by the lower blades 213.
  • the mixing area of the lower blades 213 is larger to ensure that it retains a certain mixing efficiency and focuses on improving The discharging capacity is increased; and the stirring capacity of the lower blade 213 is improved through the multiple turbulent holes of the lower blade 213, thus making up for the decrease in mixing efficiency; in this way, the mixing device 2 can ensure strong stirring efficiency.
  • the discharge capacity of the mixing device 2 is taken into consideration.
  • each upper blade 212 is connected to the bottom of one of the lower blades 213, and the bottom of the upper blade 212 continues from the edge of the bottom of the impeller body 211 along the radial direction of the impeller body 211 Extend to form a protruding portion 2121, and the outermost end of the lower blade 213 extends to just below the protruding portion 2121, so that a small stirring area 214 is formed between two adjacent protruding portions 2121.
  • the plurality of turbulence holes 2131 of the lower blades 213 are located on the horizontal side of the small stirring zone 214.
  • the upper blade 212 has a monolithic structure and extends downward spirally and obliquely along the circumferential direction of the impeller body 211; with this arrangement, the drainage area of the upper blade 212 is larger, thereby enabling The powder material already located between two adjacent upper blades 212 escapes to between the other two upper blades 212 so that the centrifugal impeller 21 can more evenly guide the powdered solids to improve the stirring capacity of the centrifugal impeller 21 .
  • the mixing device 2 also includes a dispersing centrifugal wheel body 22.
  • the dispersing centrifugal wheel body 22 has a plurality of cutting rods 221.
  • the plurality of cutting rods 221 are spaced on the side walls of the dispersing centrifugal wheel body 22.
  • the centrifugal wheel body 22 is connected to the top of the impeller body 211. With this arrangement, the powder material is dispersed more evenly by breaking up the centrifugal wheel body 22, so that the powder material is more evenly distributed around the bottom of the impeller body 211.
  • the break-up centrifugal wheel body 22 and the impeller body 211 are detachably connected; with this arrangement, when one of the break-up centrifugal wheel body 22 and the impeller body 211 needs to be replaced, , the other one can continue to be used.
  • the cutting rod 221 There are more places where the side walls of the cutting rod 221 have multiple sharp edges.
  • the breaking up centrifugal wheel body 22 is arranged in a pyramidal structure, and the cross-sectional outer contour of the breaking up centrifugal wheel body 22 gradually becomes larger from top to bottom; a plurality of cutting rods 221 are arranged along the breaking up centrifugal wheel body 22
  • the circumferential direction of the dispersing centrifugal wheel 22 extends downward spirally and at intervals to form a dispersing unit combination, and a plurality of dispersing unit combinations are distributed at intervals around the circumferential direction of the dispersing centrifugal wheel body 22 .
  • the cutting rods 221 distributed along the circumferential direction of the centrifugal wheel body 22 are denser, so that the powder material falling will basically not directly pass through and will not be blocked by the cutting rods 221. cutting, thus ensuring that agglomerated materials in powder materials are reliably broken up.
  • the dispersing device 3 includes a grinding stator 31 and a grinding rotor 32; both the grinding stator 31 and the grinding rotor 32 have a disc-shaped structure, and the grinding stator 31 and the grinding rotor 32 are coaxially and stacked; the grinding stator 31 A plurality of first axial through holes 311 are provided, and the plurality of first axial through holes 311 are spaced apart from each other; the grinding rotor 32 is provided with a plurality of second axial through holes 321, and a plurality of second axial through holes 321 are provided.
  • At least part of the first axial through hole 311 and at least part of the second axial through hole 321 can communicate. That is to say, at least part of the first axial through hole 311 and at least part of the second axial through hole 321 can be in a state of always connected, or they can be connected to each other only when they at least partially overlap; and the essential requirement is that as long as the grinding When the rotor 32 rotates relative to the grinding stator 31, at least part of the first axial through hole 311 and at least part of the second axial through hole 321 can remain connected, so that the slurry can penetrate the first grinding assembly.
  • the grinding stator 31 and the grinding rotor 32 can be arranged coaxially and stacked, so that the two can shear the slurry to improve the performance of the slurry. .
  • both the first axial through hole 311 and the second axial through hole 321 are used for slurry to pass through, most of the slurry will pass along the shear point between the stator and the rotor, so that It ensures that the slurry can be sheared reliably to improve the dispersion and grinding effects of the slurry.
  • the grinding rotor 32 rotates relative to the grinding stator 31, at least part of the first axial through hole 311 and at least part of the second axial through hole 321 can be connected to ensure continuous flow of the slurry.
  • the dispersing device 3 can also adopt other structures in the prior art.
  • a first spoiler assembly 322 is provided on the end surface of the grinding stator 31 facing the grinding rotor 32.
  • the first spoiler assembly 322 includes a plurality of first spoiler units 3221.
  • the flow units 3221 are arranged at intervals from each other.
  • the first disturbance component 322 further increases the turbulence of the slurry, causing the slurry to stay in the dispersing device 3 for a slightly longer time, thereby further increasing the shearing effect and further improving the performance of the slurry.
  • a second spoiler assembly 312 is provided on the end surface of the grinding rotor 32 facing the grinding stator 31.
  • the second spoiler assembly 312 includes a plurality of second spoiler units 3121, and the plurality of second spoiler units 3121 are spaced apart from each other. ;
  • the first spoiler unit 3221 has a groove structure; that is, if the first spoiler unit 3221 When it is a convex structure, it is necessary to increase the distance between the grinding stator 31 and the grinding rotor 32 as a prerequisite. More preferably, in order to enable the first spoiler unit 3221 to stir the flow over a large area, the first spoiler unit 3221 has a long strip structure and extends from the inside to the outside in the radial direction of the grinding stator 31 . Similarly, the second spoiler unit 3121 has a groove structure; the second spoiler unit 3121 has a strip-shaped structure and extends from the inside to the outside in the radial direction of the grinding rotor 32 .
  • the grinding stator 31 and the grinding rotor 32 are spaced apart so that a slurry flow gap 33 is formed therebetween.
  • the first axial through hole 311 and the second axial through hole 321 are in a state of continuous communication to ensure the fluidity of the slurry.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Paper (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Crushing And Grinding (AREA)

Abstract

本实用新型公开了一种制浆机，包括机架、混合装置、分散装置；所述机架具有混合腔和分散腔，所述混合装置容置于所述混合腔，所述分散装置容置于所述分散腔；所述分散腔具有进液口，所述混合腔具有出液口，所述进液口、所述分散腔、所述混合腔、所述出液口依序连通；所述混合腔还具有粉末物料进口，所述粉末物料进口、所述混合腔、所述出液口沿粉末物料的流向依序连通；所述出液口连接有过滤装置。其具有防护功能，从而能够避免硬质杂质(例如螺丝)对制浆机的分散装置(或称研磨装置)造成损伤。

Description

一种制浆机 技术领域
本实用新型涉及混合设备技术领域，尤其涉及一种制浆机。
背景技术
目前，随着粉体技术的发展，越来越多的超细粉体需分散到少量的液体(液体即溶剂)中，以形成高固含量和高粘度的浆料。然而，高固含量和高粘度的浆料均匀混合较为困难，因而需要通过设备将其充分分散和研磨，从而提高浆料的物理性能。
而制浆机的工作主要分为前期的混合和后期的分散(也即研磨或称剪切)。以专利公开号为CN113499698A的专利文件公开的一种粉液混合机，其包括混合腔和分散腔，浆液的流向循环地为：混合腔(即搅拌腔)→混料排出口→储液罐(即溶剂罐)→液体进料口→分散腔→混合腔。
然而，基于制浆机的粉末物料可能夹杂着硬质杂质(例如螺丝)，从而可能给制浆机的分散装置(或称研磨装置、剪切装置)造成损伤。
实用新型内容
为了克服现有技术的不足，本实用新型的目的在于提供一种制浆机，其具有防护功能，从而能够避免硬质杂质(例如螺丝)对制浆机的分散装置(或称研磨装置)造成损伤。
本实用新型的目的采用如下技术方案实现：
一种制浆机，包括机架、混合装置、分散装置；所述机架具有混合腔和分散腔，所述混合装置容置于所述混合腔，所述分散装置容置于所述分散腔；所述分散腔具有进液口，所述混合腔具有出液口，所述进液口、所述分散腔、所 述混合腔、所述出液口依序连通；所述混合腔还具有粉末物料进口，所述粉末物料进口、所述混合腔、所述出液口沿粉末物料的流向依序连通；所述出液口连接有过滤装置。
进一步地，所述过滤装置包括第一管道和第二管道，所述第一管道与所述出液口连接，所述第二管道位于所述第一管道的下方，所述第二管道的顶部与所述第一管道的底壁连通，所述第一管道用于连接储液罐，所述第二管道的底部具有封堵结构。
进一步地，所述封堵结构与所述第二管道可拆卸地连接。
进一步地，所述机架还设有冷却腔，所述冷却腔环绕地包裹在所述分散腔的***，并与所述分散腔相互隔绝。
进一步地，所述冷却腔的进口位于所述冷却腔的底部，所述冷却腔的出口位于所述冷却腔的顶部。
进一步地，所述一种制浆机还包括内循环冲洗管道，所述内循环冲洗管道连接有冲洗阀和动力水泵，所述内循环冲洗管道的入口与所述混合腔连通，所述内循环冲洗管道的出口朝向所述混合装置。
进一步地，所述混合装置包括离心叶轮，所述离心叶轮通过转动轴与所述机架进行枢接；所述离心叶轮的叶轮本体具有多块上方叶片，多块所述上方叶片环绕所述叶轮本体的周向间隔地设置；所述离心叶轮的叶轮本体还连接有多块下方叶片，多块所述下方叶片位于所述叶轮本体的正下方，并环绕所述叶轮本体的周向间隔地设置；所述下方叶片沿所述叶轮本体的径向由内向外地延伸至所述叶轮本体的底部的边缘处；所述下方叶片开设有多个湍流通孔；
各块所述上方叶片的底部与其中一块所述下方叶片的底部衔接，且所述上方叶片的底部从所述叶轮本体的底部的边缘处继续沿所述叶轮本体的径向延伸 而形成凸出部，所述下方叶片的最外端延伸至所述凸出部的正下方，以使相邻两个所述凸出部之间形成小型搅拌区；
所述下方叶片的多个所述湍流通孔位于所述小型搅拌区的水平侧；
所述上方叶片为整块结构，并沿所述叶轮本体的周向螺旋地且倾斜地向下延伸；
所述混合装置还包括打散离心轮本体，所述打散离心轮本体具有多根切割杆，多根切割杆间隔地设于所述打散离心轮本体的侧壁；所述打散离心轮本体连接在所述叶轮本体的顶部；
所述打散离心轮本体与所述叶轮本体可拆卸地连接；所述切割杆的侧壁具有多条尖锐边；
所述打散离心轮本体呈椎体结构设置，且所述打散离心轮本体的横截面外轮廓从上至下逐渐变大；多条所述切割杆沿所述打散离心轮本体的周向螺旋地且间隔地向下延伸以形成打散单元组合，多个所述打散单元组合环绕所述打散离心轮本体的周向间隔地分布。
进一步地，所述分散装置包括研磨定子和研磨转子；所述研磨定子和所述研磨转子均呈盘状结构，所述研磨定子与所述研磨转子共轴地且层叠地布置；所述研磨定子开设有多个第一轴向通孔，多个所述第一轴向通孔相互间隔地设置；所述研磨转子开设有多个第二轴向通孔，多个所述第二轴向通孔相互间隔地设置；当所述研磨转子相对于所述研磨定子转动时，至少部分的所述第一轴向通孔与至少部分的所述第二轴向通孔能够连通。
所述研磨定子上朝向所述研磨转子的端面开设有第一扰流组件，所述第一扰流组件包括多个第一扰流单元，多个所述第一扰流单元相互间隔地设置；
所述研磨转子上朝向所述研磨定子的端面开设有第二扰流组件，所述第二 扰流组件包括多个第二扰流单元，多个所述第二扰流单元相互间隔地设置；
进一步地，所述第一扰流单元为凹槽结构；所述第一扰流单元呈长条状结构，并从所述研磨定子的径向由内向外地延伸；所述第二扰流单元为凹槽结构；所述第二扰流单元呈长条状结构，并从所述研磨转子的径向由内向外地延伸；
所述研磨定子与所述研磨转子之间间隔地设置，以使两者之间形成浆料流通间隙。
相比现有技术，本实用新型的有益效果在于：
基于粉末物料在混合腔与液体(即溶剂)混合后，需要先经过过滤装置，然后再经过分散腔的分散装置，从而使得粉末物料内混杂的硬质杂质(例如螺丝)已经被过滤装置进行滤除，因而硬质杂质(例如螺丝)不会给分散装置造成损伤，即提高了本制浆机的防护能力。
附图说明
图1为本实用新型的一种制浆机的结构示意图，其中，实线箭头线为粉末物料的流向，虚线箭头线为浆料的流向；
图2为图1的离心叶轮的结构示意图；
图3为图2的另一视角图；
图4为图1的打散离心轮本体和切割杆连接的结构示意图；
图5为图1的分散装置的结构示意图；
图6为图5的研磨定子的结构示意图；
图7为图5的研磨转子的结构示意图。
图中：1、机架；11、混合腔；111、出液口；112、粉末物料进口；12、分
散腔；121、进液口；13、冷却腔；2、混合装置；21、离心叶轮；211、叶轮本体；212、上方叶片；2121、凸出部；213、下方叶片；2131、湍流通孔；214、 小型搅拌区；22、打散离心轮本体；221、切割杆；3、分散装置；31、研磨定子；311、第一轴向通孔；312、第二扰流组件；3121、第二扰流单元；32、研磨转子；321、第二轴向通孔；322、第一扰流组件；3221、第一扰流单元；33、流通间隙；4、过滤装置；41、第一管道；42、第二管道；43、封堵结构；5、内循环冲洗管道；51、冲洗阀；6、转动轴；7、球阀。
具体实施方式
下面，结合附图以及具体实施方式，对本实用新型做进一步描述，需要说明的是，在不相冲突的前提下，以下描述的各实施例之间或各技术特征之间可以任意组合形成新的实施例。
需要说明的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上，或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能存在居中元件。本文所使用的“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的，并不代表是唯一的实施方式。
除非另有定义，本文所使用的所有的技术术语和科学术语与属于本实用新型的技术领域的技术人员通常理解的含义相同。本文中在实用新型的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本实用新型。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
图1示出了本实用新型一较佳实施例的一种制浆机，其包括机架1、混合装置2、分散装置3。机架1具有混合腔11和分散腔12，混合装置2容置于混合腔11，分散装置3容置于分散腔12。分散腔12具有进液口121，混合腔11具有出液口111，进液口121、分散腔12、混合腔11、出液口111依序连通。混合 腔11还具有粉末物料进口112，粉末物料进口112、混合腔11、出液口111沿粉末物料的流向依序连通。出液口111连接有过滤装置4。
这样设置，本一种制浆机的浆液流向为：储液罐→进液口121→分散腔12→混合腔11→出液口111→过滤装置4→储液罐。而硬质杂质(例如螺丝)的流向为：粉末物料进口112→混合腔11→出液口111→过滤装置4。随着粉末物料的多次少量投入混合腔11，以及随着浆液的固含量越来越高，制浆机将从混合阶段进入分散阶段(即研磨阶段或称剪切阶段)，在分散阶段中，将停止粉末物料的投放，并将浆料充分分散，以提高浆料的混合度，即提高了浆液的性能。具体地，粉末物料的投放由机架1的顶部的球阀7进行控制。
显然，基于粉末物料在混合腔11与液体(即溶剂)混合后，需要先经过过滤装置4，然后再经过分散腔12的分散装置3，从而使得粉末物料内混杂的硬质杂质(例如螺丝)已经被过滤装置4进行滤除，因而硬质杂质(例如螺丝)不会给分散装置3造成损伤，即提高了本制浆机的防护能力。
参见图1，优选地，过滤装置4包括第一管道41和第二管道42，第一管道41与出液口111连接，第二管道42位于第一管道41的下方，第二管道42的顶部与第一管道41的底壁连通，第一管道41用于连接储液罐，第二管道42的底部具有封堵结构43。这样设置，当硬质杂质(例如螺丝)沿第一管道41流动并进入到第二管道42的正上方时，受自身重力的影响，掉落至第二管道42，而且，基于第二管道42的浆料的流动性较差，使得硬质杂质稳定地滞留在第二管道42内。可以理解的是，过滤器也可以采用常规的成熟的过滤器。
为了便于定期清理硬质杂质，封堵结构43与第二管道42可拆卸地连接。
参见图1，优选地，基于分散装置3在分散浆料的过程会产生大量的热量，为了避免浆料高温而损坏，机架1还设有冷却腔13，冷却腔13环绕地包裹在分 散腔12的***，并与分散腔12相互隔绝。为了提高冷却效果，冷却腔13的进口位于冷却腔13的底部，冷却腔13的出口位于冷却腔13的顶部。
参见图1，优选地，一种制浆机还包括内循环冲洗管道5，内循环冲洗管道5连接有冲洗阀51和动力水泵，内循环冲洗管道5的入口与混合腔11连通，内循环冲洗管道5的出口朝向混合装置2。如此，通过内循环冲洗管道5将混合腔11内的浆液泵射到混合装置2上，从而将残余在混合装置2上的粉末物料带入浆液内。
参见图1-图3，优选地，混合装置2包括离心叶轮21，离心叶轮21通过转动轴6与机架1进行枢接；离心叶轮21的叶轮本体211具有多块上方叶片212，多块上方叶片212环绕叶轮本体211的周向间隔地设置。离心叶轮21的叶轮本体211还连接有多块下方叶片213，多块下方叶片213位于叶轮本体211的正下方，并环绕叶轮本体211的周向间隔地设置。下方叶片213沿叶轮本体211的径向由内向外地延伸至叶轮本体211的底部的边缘处。下方叶片213开设有多个湍流通孔2131。工作时，液体溶剂和粉末物料在叶轮本体211的底部相遇和混合而形成浆料，因而通过下方叶片213对浆料进行搅拌，然后利用运动本身的离心力对浆料进行径向排放，从而在保证较强搅拌效率的基础上，同时兼顾了混合装置2的排料能力。显然，通过上方叶片212将粉料均匀地分布到叶轮本体211的底部四周，以便于提高下方叶片213对浆料的搅拌效率。通过设计下方叶片213沿叶轮本体211的径向由内向外地延伸至叶轮本体211的底部的边缘处，以使下方叶片213的搅拌面积较大，以保证其保留一定的搅拌效率，且偏重地提高了其排料能力；再通过下方叶片213的多个湍流孔提高下方叶片213的搅拌能力，从而又弥补了搅拌效率的下降；如此，使得本混合装置2在保证较强搅拌效率的基础上，同时兼顾了混合装置2的排料能力。
参见图2和图3，优选地，各块上方叶片212的底部与其中一块下方叶片213的底部衔接，且上方叶片212的底部从叶轮本体211的底部的边缘处继续沿叶轮本体211的径向延伸而形成凸出部2121，下方叶片213的最外端延伸至凸出部2121的正下方，以使相邻两个凸出部2121之间形成小型搅拌区214。显然，基于相邻两块下方叶片213以及相邻两块凸出部2121共同围合成一个半封闭的小型搅拌区214，以及基于各块上方叶片212的底部与其中一块下方叶片213的底部衔接，从而进一步提高了各块下方叶片213的排料能力，从而使得小型搅拌区214的成型不仅提高了搅拌效率，而且兼顾了离心叶轮21的排料能力。更优地，此时，为了使得湍流孔的作用最大化，下方叶片213的多个湍流通孔2131位于小型搅拌区214的水平侧。
参见图2和图3，优选地，上方叶片212为整块结构，并沿叶轮本体211的周向螺旋地且倾斜地向下延伸；这样设置，上方叶片212的引流面积更大，从而能够使得已经位于相邻两个上方叶片212之间的粉末物料逃逸到另外的两个上方叶片212之间，以使离心叶轮21能够更加均匀引流粉末固体，以提高离心叶轮21的搅拌能力。
参见图4，优选地，混合装置2还包括打散离心轮本体22，打散离心轮本体22具有多根切割杆221，多根切割杆221间隔地设于打散离心轮本体22的侧壁；打散离心轮本体22连接在叶轮本体211的顶部。这样设置，通过打散离心轮本体22将粉末物料打散得更加均匀，从而使得粉末物料更加均匀地分布到叶轮本体211的底部四周。
参见图1，优选地，为了便于检修以及降低检修成本，打散离心轮本体22与叶轮本体211可拆卸地连接；这样设置，打散离心轮本体22与叶轮本体211其中一者需要换新时，另一者可以继续使用。为了使得切割杆221的尖锐切割 处更多，切割杆221的侧壁具有多条尖锐边。
参见图4，优选地，打散离心轮本体22呈椎体结构设置，且打散离心轮本体22的横截面外轮廓从上至下逐渐变大；多条切割杆221沿打散离心轮本体22的周向螺旋地且间隔地向下延伸以形成打散单元组合，多个打散单元组合环绕打散离心轮本体22的周向间隔地分布。这样设置，俯视打散离心轮本体22时，沿打散离心轮本体22周向分布的切割杆221更加密集，从而使得粉末物料掉落的过程基本不会直接穿过且不被切割杆221所切割，从而保证了粉末物料中的结团物料被可靠地打散。
参见图5，优选地，分散装置3包括研磨定子31和研磨转子32；研磨定子31和研磨转子32均呈盘状结构，研磨定子31与研磨转子32共轴地且层叠地布置；研磨定子31开设有多个第一轴向通孔311，多个第一轴向通孔311相互间隔地设置；研磨转子32开设有多个第二轴向通孔321，多个第二轴向通孔321相互间隔地设置；当研磨转子32相对于研磨定子31转动时，至少部分的第一轴向通孔311与至少部分的第二轴向通孔321能够连通。也即是说，至少部分第一轴向通孔311与至少部分第二轴向通孔321可以处于一直连通的状态，或者是两者至少部分重叠时才相互连通；而本质要求为，只要研磨转子32相对于研磨定子31进行旋转的过程中，至少部分的第一轴向通孔311与至少部分的第二轴向通孔321能够保持连通即可，从而使得浆料能够贯穿第一研磨组件，进而被研磨定子31和研磨转子32剪切，以提高浆料的混合度和流动性，即以提高浆料的性能为目的。显然，通过将研磨定子31和研磨转子32均设置为盘状结构，从而能够使得两者能够共轴地且层叠地布置，以使两者能够对浆料进行剪切，以提高浆料的性能。而且，基于第一轴向通孔311和第二轴向通孔321均用于供浆料通过，使得绝大部分浆料必将沿定子与转子的剪切处经过，从而 保证了浆料能够被可靠地剪切，以提高浆料的分散效果和研磨效果。另外，基于当研磨转子32相对于研磨定子31转动时，至少部分的第一轴向通孔311与至少部分的第二轴向通孔321能够连通，以保证浆料的持续流通性。另外，基于研磨定子31和研磨转子32之间为层叠地布置，即两者之间的分散体积大幅度提高，从而大幅度提高了制浆机的生产效率。显然，分散装置3也可以选用现有技术中的其他结构。
优选地，参见图6和图7，研磨定子31上朝向研磨转子32的端面开设有第一扰流组件322，第一扰流组件322包括多个第一扰流单元3221，多个第一扰流单元3221相互间隔地设置。这样设置，通过第一扰流组件322进一步提高浆料的紊乱度，从而使得浆料滞留在分散装置3的时间稍长一些，从而进一步提高剪切效果，以进一步提高浆料的性能。同理，研磨转子32上朝向研磨定子31的端面开设有第二扰流组件312，第二扰流组件312包括多个第二扰流单元3121，多个第二扰流单元3121相互间隔地设置；
优选地，为提高研磨的精度，以及无需被迫增大研磨定子31与研磨转子32之间的间距，第一扰流单元3221为凹槽结构；也即是说，如果第一扰流单元3221为凸起结构时，则需要以增大研磨定子31与研磨转子32之间的间距为前提条件。更优地，为了能够使得第一扰流单元3221进行大面积地扰流，第一扰流单元3221呈长条状结构，并从研磨定子31的径向由内向外地延伸。同理，第二扰流单元3121为凹槽结构；第二扰流单元3121呈长条状结构，并从研磨转子32的径向由内向外地延伸。
优选地，研磨定子31与研磨转子32之间间隔地设置，以使两者之间形成浆料流通间隙33。这样设置，第一轴向通孔311与第二轴向通孔321之间处于持续连通的状态，以保证浆料的流通性。
上述实施方式仅为本实用新型的优选实施方式，不能以此来限定本实用新型保护的范围，本领域的技术人员在本实用新型的基础上所做的任何非实质性的变化及替换均属于本实用新型所要求保护的范围。

Claims (10)

  1. 一种制浆机，其特征在于：包括机架(1)、混合装置(2)、分散装置(3)；所述机架(1)具有混合腔(11)和分散腔(12)，所述混合装置(2)容置于所述混合腔(11)，所述分散装置(3)容置于所述分散腔(12)；所述分散腔(12)具有进液口(121)，所述混合腔(11)具有出液口(111)，所述进液口(121)、所述分散腔(12)、所述混合腔(11)、所述出液口(111)依序连通；所述混合腔(11)还具有粉末物料进口(112)，所述粉末物料进口(112)、所述混合腔(11)、所述出液口(111)沿粉末物料的流向依序连通；所述出液口(111)连接有过滤装置(4)。
  2. 如权利要求1所述的一种制浆机，其特征在于：所述过滤装置(4)包括第一管道(41)和第二管道(42)，所述第一管道(41)与所述出液口(111)连接，所述第二管道(42)位于所述第一管道(41)的下方，所述第二管道(42)的顶部与所述第一管道(41)的底壁连通，所述第一管道(41)用于连接储液罐，所述第二管道(42)的底部具有封堵结构(43)。
  3. 如权利要求2所述的一种制浆机，其特征在于：所述封堵结构(43)与所述第二管道(42)可拆卸地连接。
  4. 如权利要求1所述的一种制浆机，其特征在于：所述机架(1)还设有冷却腔(13)，所述冷却腔(13)环绕地包裹在所述分散腔(12)的***，并与所述分散腔(12)相互隔绝。
  5. 如权利要求4所述的一种制浆机，其特征在于：所述冷却腔(13)的进口位于所述冷却腔(13)的底部，所述冷却腔(13)的出口位于所述冷却腔(13)的顶部。
  6. 如权利要求1所述的一种制浆机，其特征在于：所述一种制浆机还包括 内循环冲洗管道(5)，所述内循环冲洗管道(5)连接有冲洗阀(51)和动力水泵，所述内循环冲洗管道(5)的入口与所述混合腔(11)连通，所述内循环冲洗管道(5)的出口朝向所述混合装置(2)。
  7. 如权利要求1所述的一种制浆机，其特征在于：所述混合装置(2)包括离心叶轮(21)，所述离心叶轮(21)通过转动轴(6)与所述机架(1)进行枢接；所述离心叶轮(21)的叶轮本体(211)具有多块上方叶片(212)，多块所述上方叶片(212)环绕所述叶轮本体(211)的周向间隔地设置；所述离心叶轮(21)的叶轮本体(211)还连接有多块下方叶片(213)，多块所述下方叶片(213)位于所述叶轮本体(211)的正下方，并环绕所述叶轮本体(211)的周向间隔地设置；所述下方叶片(213)沿所述叶轮本体(211)的径向由内向外地延伸至所述叶轮本体(211)的底部的边缘处；所述下方叶片(213)开设有多个湍流通孔(2131)；
    各块所述上方叶片(212)的底部与其中一块所述下方叶片(213)的底部衔接，且所述上方叶片(212)的底部从所述叶轮本体(211)的底部的边缘处继续沿所述叶轮本体(211)的径向延伸而形成凸出部(2121)，所述下方叶片(213)的最外端延伸至所述凸出部(2121)的正下方，以使相邻两个所述凸出部(2121)之间形成小型搅拌区(214)；
    所述下方叶片(213)的多个所述湍流通孔(2131)位于所述小型搅拌区(214)的水平侧；
    所述上方叶片(212)为整块结构，并沿所述叶轮本体(211)的周向螺旋地且倾斜地向下延伸；
    所述混合装置(2)还包括打散离心轮本体(22)，所述打散离心轮本体(22) 具有多根切割杆(221)，多根切割杆(221)间隔地设于所述打散离心轮本体(22)的侧壁；所述打散离心轮本体(22)连接在所述叶轮本体(211)的顶部；
    所述打散离心轮本体(22)与所述叶轮本体(211)可拆卸地连接；所述切割杆(221)的侧壁具有多条尖锐边；
    所述打散离心轮本体(22)呈椎体结构设置，且所述打散离心轮本体(22)的横截面外轮廓从上至下逐渐变大；多条所述切割杆(221)沿所述打散离心轮本体(22)的周向螺旋地且间隔地向下延伸以形成打散单元组合，多个所述打散单元组合环绕所述打散离心轮本体(22)的周向间隔地分布。
  8. 如权利要求1所述的一种制浆机，其特征在于：所述分散装置(3)包括研磨定子(31)和研磨转子(32)；所述研磨定子(31)和所述研磨转子(32)均呈盘状结构，所述研磨定子(31)与所述研磨转子(32)共轴地且层叠地布置；所述研磨定子(31)开设有多个第一轴向通孔(311)，多个所述第一轴向通孔(311)相互间隔地设置；所述研磨转子(32)开设有多个第二轴向通孔(321)，多个所述第二轴向通孔(321)相互间隔地设置；当所述研磨转子(32)相对于所述研磨定子(31)转动时，至少部分的所述第一轴向通孔(311)与至少部分的所述第二轴向通孔(321)能够连通。
  9. 如权利要求8所述的一种制浆机，其特征在于：所述研磨定子(31)上朝向所述研磨转子(32)的端面开设有第一扰流组件(322)，所述第一扰流组件(322)包括多个第一扰流单元(3221)，多个所述第一扰流单元(3221)相互间隔地设置；
    所述研磨转子(32)上朝向所述研磨定子(31)的端面开设有第二扰流组件(312)，所述第二扰流组件(312)包括多个第二扰流单元(3121)，多个所 述第二扰流单元(3121)相互间隔地设置。
  10. 如权利要求9所述的一种制浆机，其特征在于：所述第一扰流单元(3221)为凹槽结构；所述第一扰流单元(3221)呈长条状结构，并从所述研磨定子(31)的径向由内向外地延伸；所述第二扰流单元(3121)为凹槽结构；所述第二扰流单元(3121)呈长条状结构，并从所述研磨转子(32)的径向由内向外地延伸；
    所述研磨定子(31)与所述研磨转子(32)之间间隔地设置，以使两者之间形成浆料流通间隙(33)。
PCT/CN2023/077010 2022-08-16 2023-02-18 一种制浆机 WO2024036901A1 (zh)

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