WO2022148096A1 - Cooling-type solid-liquid separation apparatus for magnetic powder - Google Patents

Cooling-type solid-liquid separation apparatus for magnetic powder Download PDF

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Publication number
WO2022148096A1
WO2022148096A1 PCT/CN2021/125311 CN2021125311W WO2022148096A1 WO 2022148096 A1 WO2022148096 A1 WO 2022148096A1 CN 2021125311 W CN2021125311 W CN 2021125311W WO 2022148096 A1 WO2022148096 A1 WO 2022148096A1
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WIPO (PCT)
Prior art keywords
tank
feeding
cooling
magnetic powder
liquid separation
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PCT/CN2021/125311
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French (fr)
Chinese (zh)
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王海勇
赵登永
李容成
刘兴
柴立新
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江苏博迁新材料股份有限公司
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Publication of WO2022148096A1 publication Critical patent/WO2022148096A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
    • B03C1/12—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with magnets moving during operation; with movable pole pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/23—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp
    • B03C1/24—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp with material carried by travelling fields
    • B03C1/247—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp with material carried by travelling fields obtained by a rotating magnetic drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/32—Magnetic separation acting on the medium containing the substance being separated, e.g. magneto-gravimetric-, magnetohydrostatic-, or magnetohydrodynamic separation

Definitions

  • the utility model relates to the field of solid-liquid separation equipment, in particular to a cooling-type magnetic powder solid-liquid separation equipment.
  • the magnetic powder is generally collected by the following methods: placing the slurry containing the magnetic powder in a container for precipitation, and after the solid-liquid stratification, separate the upper layer of the solvent and the lower layer of the magnetic powder, or use Centrifugal equipment realizes solid-liquid separation.
  • the former separation technology has the following disadvantages: for the ultrafine powder slurry, the size of the powder is small, the precipitation time of the powder is long, the collection efficiency of the magnetic powder is low, the cycle of solvent recycling is long, and the solvent volatilizes The loss is large, the production cost is high, and it is difficult to achieve large-scale production.
  • the centrifugal equipment has a fast separation speed, due to the strong centrifugal force on the powder, the magnetic powder collected has poor dispersibility, which increases the difficulty of production in the subsequent process.
  • the present application provides a solution for how to improve the collection efficiency of magnetic powder slurry, reduce solvent production loss, and realize low-cost continuous and automated production.
  • a cooling-type magnetic powder solid-liquid separation equipment includes a feeding tank, a storage tank, a clarifying tank, a feeding pipe, a scraper, a magnetic drum body, a sealing protective cover and a bracket, and the feeding pipe is installed in the storage tank. Above the intersection with the feeding tank, there is a feeding port at the radial direction of the feeding pipe, and there are several overflow pipes above the feeding pipe, so that the supernatant liquid after the long-term storage in the storage tank is stored.
  • the scraper is located above the storage chute and the feed chute and close to the magnetic drum body, the magnetic drum body and the feed chute are arranged at intervals, and one end of the clarification tank is communicated with one end of the storage chute , the feeding tank, the storage tank and the clarifying tank are all installed on the bracket, and the sealing protective cover is covered on the bracket.
  • an integrated cooling liquid interlayer is provided outside the feeding tank, the storage tank and the clarifying tank, so as to introduce low-temperature cooling liquid to feed the slurry or solvent to cool down.
  • the cooling liquid interlayer is located at the shells of the feeding tank, the storage tank and the clarification tank, and the cooling liquid inlet is set at the lower part of the cooling liquid interlayer, and the higher part in the storage tank and the clarification tank. Set the coolant outlet.
  • the magnetic drum body and the feeding chute are arranged in concentric circles, and the distance between the magnetic drum body and the surface of the feeding chute is 5-50 mm.
  • permanent magnet areas and non-magnet areas are distributed at equal intervals on the circumference of the magnetic drum body, and the ratio of the area ratio of the permanent magnet area to the non-magnet area is 1: (0.1-0.5).
  • This distribution method is beneficial to the more uniform and thorough adsorption and desorption of the magnetic drum body, and the separation efficiency is high.
  • the feeding pipe is a semi-circular pipe
  • the feeding port is arranged on the radial rectangular section of the semi-circular pipe, and the feeding port adopts a ring seam or a porous shape, so that the slurry is uniformly sprayed into the feeding port. trough.
  • the scraper adopts an angle locator to adjust the angle to adjust the distance between the scraper and the magnetic drum body with multiple angles, which is convenient to operate and has high positioning accuracy.
  • the bottom of the clarification tank is provided with a permanent magnet area.
  • the magnetic powder contained in the solvent flows to the overflow port, it can sink to the bottom of the clarification tank by gravity and magnetic attraction, and then discharge the magnetic powder from the discharge port, which is more convenient and quick to clean.
  • multiple clarifiers can be set up in series for multi-stage sedimentation and adsorption to ensure more thorough solid-liquid separation.
  • a transparent observation port is provided on the sealing protective cover to observe the operation state of the solid-liquid separation equipment.
  • discharge ports are provided at the bottoms of the feeding tank, the storage tank and the clarifying tank.
  • the outlet of the feeding pipe adopts a ring seam and a porous pattern to make the slurry evenly sprayed into the feeding tank, and the magnetic powder in the slurry is directly captured and collected by the magnetic drum body, which improves the solid-liquid separation efficiency of the drum body.
  • the flat permanent magnet used at the bottom of the clarification tank increases the magnetic attraction and can more thoroughly separate the magnetic powder remaining in the solvent. When unloading, the magnetic powder can be discharged through the discharge port at the bottom. The operation is simple and convenient. Keep the equipment in a closed state to reduce solvent evaporation.
  • the feed tank, storage tank and clarification tank adopt a cooling liquid interlayer structure, and the cooling liquid interlayer is passed into a low-temperature cooling liquid to cool the slurry or solvent, which can effectively reduce the volatilization of the solvent.
  • the sealing protective cover is made of transparent plate, which can easily observe the operation status of the equipment.
  • the equipment operation and discharge materials are basically in a closed state, which is beneficial to effectively reduce solvent volatilization.
  • FIG. 1 is a structural cross-sectional view of an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a feed port of an embodiment of the present invention.
  • the diagrams are marked as follows: 1. Feeding trough, 2. Storage trough, 3. Clarifying tank, 3.1. Permanent magnet area, 4. Feeding pipe, 4.1. Feeding port, 5. Overflow pipe, 6. Magnetic drum body, 6.1, permanent magnet area, 6.2, stainless steel plate, 6.3, non-magnetic area, 7, roller drive, 8, scraper, 9, scraper angle positioner, 10, coolant interlayer, 11, coolant inlet, 12, cooling Liquid outlet, 13, discharge port, 14, sealing protective cover, 15, bracket.
  • the cooling type magnetic powder solid-liquid separation equipment of the present invention includes a feeding tank 1, a storage tank 2, a clarifying tank 3, a feeding pipe 4, a magnetic drum body 6, and a drum transmission device. 7. Scraper 8, coolant interlayer 10, sealing shield 14 and bracket 15.
  • the feeding tank 1 is connected to the storage tank 1.
  • the tank 2 is communicated by a horizontally placed overflow pipe 5 .
  • the feeding pipe 4 communicates with the feeding tank 1, and the specific structure is as follows: the feeding pipe 4 adopts a semicircular pipe, and the feeding port 4.1 is arranged on the radial rectangular section of the semicircular pipe.
  • the feeding port 4.1 can be in the form of a ring seam, a porous shape, etc., so that the slurry is uniformly sprayed into the feeding tank 1, and the magnetic powder is captured and collected by the magnetic drum body 6.
  • the magnetic drum body 6 is installed on the bracket 15, and the magnetic drum body 6 is connected with the drum transmission device 7, and is driven to rotate together by a motor.
  • the magnetic drum body 6 and the feeding chute 1 are concentric circles, and the distance between the two surfaces is 5-50mm, which can ensure that the magnetic powder in the slurry can be fully removed.
  • the magnetic drum body 6 is made of stainless steel plate 6.2, and the permanent magnet area 6.1 and the non-magnet area 6.3 are distributed at equal intervals on the circumference.
  • the ratio of the area ratio of the permanent magnet area 6.1 to the non-magnet area 6.3 is 1: (0.1-0.5) .
  • the feeding tank 1 , the storage tank 2 and the clarifying tank 3 and the drum transmission device 7 are all installed on the bracket 15 .
  • the bottoms of the feeding tank 1 , the storage tank 2 and the clarifying tank 3 are all provided with a discharge port 13 .
  • a permanent magnet 3.1 is provided in the stainless steel plate interlayer at the bottom of the clarification tank 3, and the permanent magnet 3.1 can remove the residual magnetic powder in the solvent.
  • a section of non-magnetic area is set at the discharge port 13 of the clarification tank 3 to facilitate discharge.
  • the scraper 8 and the scraper angle positioner 9 are located above the storage tank 2 and the feed tank 1 and close to the magnetic drum body 6 . The angle of the scraper 8 can be adjusted freely, and the blade of the scraper 8 is adjusted to be close to the magnetic drum body 6.
  • the sealing protective cover 14 is installed on the bracket 15, and the sealing protective cover 14 is made of a transparent plate, which is not only strong and durable, but also facilitates observation of the running state of materials in the equipment and effectively reduces solvent volatilization.
  • the outer layer of the cooling liquid interlayer 10 is implemented by covering the feeding tank 1, the storage tank 2 and the clarification tank 3 with materials such as stainless steel plates.
  • a cooling liquid outlet 12 is provided at a higher position in the tank 2 and the clarification tank 3 .
  • a low-temperature cooling liquid can be introduced into the cooling liquid interlayer 10 to cool down the slurry or solvent to reduce solvent volatilization.
  • the stainless steel layer of the outer layer of the cooling liquid interlayer 10 may be covered with a thermal insulation material.

Abstract

A cooling-type solid-liquid separation apparatus for a magnetic powder. The cooling-type solid-liquid separation apparatus comprises a feeding tank (1), a storage tank (2), a clarifying tank (3), a feeding pipe (4), a scraper (8), a magnetic roller body (6), a sealing protective cover (14) and a support (15), wherein the feeding pipe (4) is mounted above an intersection of the storage tank (2) and the feeding tank (1); the feeding pipe (4) is provided with a feeding port (4.1) in the radial direction, and several overflow pipes (5) are arranged above the feeding pipe (4); the scraper (8) is located above the storage tank (2) and the feeding tank (1); the magnetic roller body (6) and the feeding tank (1) are arranged at an interval; and an end of the clarifying tank (3) is in communication with an end of the storage tank (2). The apparatus is simple and convenient to operate, and can be kept in a sealed state for operation, thereby reducing solvent volatilization.

Description

一种冷却式磁性粉体固液分离设备A cooling type magnetic powder solid-liquid separation equipment 技术领域technical field
本实用新型涉及固液分离设备领域，具体地说涉及一种冷却式磁性粉体固液分离设备。The utility model relates to the field of solid-liquid separation equipment, in particular to a cooling-type magnetic powder solid-liquid separation equipment.
背景技术Background technique
现有技术中，磁性粉体一般通过以下方式收集：将含有磁性粉体的料浆放置在容器中沉淀，待固液分层后，再将上层的溶剂和下层的磁性粉体分离，或者采用离心设备实现固液分离。但前一种分离技术存在以下缺点：对于超细粉体料浆，粉体的尺寸小，粉体的沉淀时间长，磁性粉体的收集效率低，溶剂再次循环利用的周期较长，溶剂挥发损耗大，生产成本高，难以实现规模化生产。而离心设备分离速度虽快，但由于粉体受到较强离心力作用，收集的磁性粉体分散性差，增加后道工序生产的难度。In the prior art, the magnetic powder is generally collected by the following methods: placing the slurry containing the magnetic powder in a container for precipitation, and after the solid-liquid stratification, separate the upper layer of the solvent and the lower layer of the magnetic powder, or use Centrifugal equipment realizes solid-liquid separation. However, the former separation technology has the following disadvantages: for the ultrafine powder slurry, the size of the powder is small, the precipitation time of the powder is long, the collection efficiency of the magnetic powder is low, the cycle of solvent recycling is long, and the solvent volatilizes The loss is large, the production cost is high, and it is difficult to achieve large-scale production. Although the centrifugal equipment has a fast separation speed, due to the strong centrifugal force on the powder, the magnetic powder collected has poor dispersibility, which increases the difficulty of production in the subsequent process.
发明内容SUMMARY OF THE INVENTION
为解决上述技术问题，本申请针对如何提高磁性粉体料浆的收集效率，降低溶剂生产损耗，实现低成本的连续化、自动化生产而提供了一种解决方案。In order to solve the above technical problems, the present application provides a solution for how to improve the collection efficiency of magnetic powder slurry, reduce solvent production loss, and realize low-cost continuous and automated production.
为了实现上述目的，本实用新型技术解决方案如下：In order to achieve the above object, the technical solution of the present utility model is as follows:
一种冷却式磁性粉体固液分离设备，包括进料槽、储料槽、澄清槽、进料管、刮刀、磁性滚筒体、密封防护罩和支架，所述进料管安装于储料槽和进料槽交汇处的上方，进料管的径向处设有进料口，进料管的上方设有数个溢流管，以使得储料槽内长时间储料沉淀后的上清液回流至进料槽，所述刮刀位于储料槽和进料槽的上方并靠近磁性滚筒体，所述磁性滚筒体与进料槽间隔设置，所述澄清槽的一端与储料槽的一端连通，所述进料槽、储料槽和澄清槽均安装在支架上，所述密封防护罩罩于支架上。A cooling-type magnetic powder solid-liquid separation equipment includes a feeding tank, a storage tank, a clarifying tank, a feeding pipe, a scraper, a magnetic drum body, a sealing protective cover and a bracket, and the feeding pipe is installed in the storage tank. Above the intersection with the feeding tank, there is a feeding port at the radial direction of the feeding pipe, and there are several overflow pipes above the feeding pipe, so that the supernatant liquid after the long-term storage in the storage tank is stored. Back to the feed chute, the scraper is located above the storage chute and the feed chute and close to the magnetic drum body, the magnetic drum body and the feed chute are arranged at intervals, and one end of the clarification tank is communicated with one end of the storage chute , the feeding tank, the storage tank and the clarifying tank are all installed on the bracket, and the sealing protective cover is covered on the bracket.
可选的，所述进料槽、储料槽和澄清槽外设置有一体式的冷却液夹层，以通入低温冷却液给料浆或溶剂降温。Optionally, an integrated cooling liquid interlayer is provided outside the feeding tank, the storage tank and the clarifying tank, so as to introduce low-temperature cooling liquid to feed the slurry or solvent to cool down.
可选的，所述冷却液夹层位于进料槽、储料槽和澄清槽的壳体处，在冷却液夹层的较低处设置冷却液进口，在储料槽和澄清槽内的较高处设置冷却液出口。Optionally, the cooling liquid interlayer is located at the shells of the feeding tank, the storage tank and the clarification tank, and the cooling liquid inlet is set at the lower part of the cooling liquid interlayer, and the higher part in the storage tank and the clarification tank. Set the coolant outlet.
可的，所述磁性滚筒体与进料槽为同心圆布置，且磁性滚筒体与进料槽的表面之间的间距为5-50mm。Optionally, the magnetic drum body and the feeding chute are arranged in concentric circles, and the distance between the magnetic drum body and the surface of the feeding chute is 5-50 mm.
可选的，所述磁性滚筒体的圆周上等间隔分布着永磁体区和无磁体区，永磁体区与无磁体区的面积占比的比值为1：(0.1-0.5)。这种分布方式有利于磁性滚筒体的吸附和脱附更加均匀彻底，分离效率高。Optionally, permanent magnet areas and non-magnet areas are distributed at equal intervals on the circumference of the magnetic drum body, and the ratio of the area ratio of the permanent magnet area to the non-magnet area is 1: (0.1-0.5). This distribution method is beneficial to the more uniform and thorough adsorption and desorption of the magnetic drum body, and the separation efficiency is high.
可选的，所述进料管为半圆形管，进料口设置在半圆形管的径向的矩形剖面上，进料口采用环缝或多孔状，以使得料浆均匀喷射进入进料槽。Optionally, the feeding pipe is a semi-circular pipe, the feeding port is arranged on the radial rectangular section of the semi-circular pipe, and the feeding port adopts a ring seam or a porous shape, so that the slurry is uniformly sprayed into the feeding port. trough.
可选的，所述刮刀采用角度定位器调角，以多角度调节刮刀与磁性滚筒体之间的间距，操作便捷，定位精度高。Optionally, the scraper adopts an angle locator to adjust the angle to adjust the distance between the scraper and the magnetic drum body with multiple angles, which is convenient to operate and has high positioning accuracy.
可选的，所述澄清槽的底部设有永磁体区。溶剂中含有的微量的磁性粉体在流向溢流口的行程中，可受到重力和磁性吸引力沉入澄清槽底，再将磁性粉体从卸料口放出，清理更加方便快捷。Optionally, the bottom of the clarification tank is provided with a permanent magnet area. When the magnetic powder contained in the solvent flows to the overflow port, it can sink to the bottom of the clarification tank by gravity and magnetic attraction, and then discharge the magnetic powder from the discharge port, which is more convenient and quick to clean.
可选的，根据工艺分离需求，可设置多个澄清槽串联进行多级沉降吸附，以确保固液分离更加彻底。Optionally, according to process separation requirements, multiple clarifiers can be set up in series for multi-stage sedimentation and adsorption to ensure more thorough solid-liquid separation.
可选的，所述密封防护罩上设置有透明观察口，以观察固液分离设备的运行状态。Optionally, a transparent observation port is provided on the sealing protective cover to observe the operation state of the solid-liquid separation equipment.
可选的，所述进料槽、储料槽和澄清槽的底部均设有卸料口。Optionally, discharge ports are provided at the bottoms of the feeding tank, the storage tank and the clarifying tank.
相对于现有技术，本实用新型具有以下优点：Compared with the prior art, the utility model has the following advantages:
进料管的出口采用环缝、多孔状式样以使料浆均匀喷射进入进料槽，料浆中磁性粉体直接被磁性滚筒体捕获收集，提高了滚筒体固液分离效率。澄清槽底部采用的平铺的永磁体，增加了磁性吸引力，可更加彻底地分离溶剂中残留的磁性粉体，卸料时可通过底部的卸料口泄放磁性粉浆，操作简单方便，保持设备在密闭状态下操作，减少溶剂挥发。进料槽、储料槽和澄清槽采用冷却液夹层结构，冷却液夹层通入低温冷却液以给料浆或溶剂冷却降温，可有效减少溶剂挥发。密封防护罩采用透明板材制作，可方便观察设备内运转状态，设备运行、卸放料基本处于密闭状态，有利于有 效减少溶剂挥发。The outlet of the feeding pipe adopts a ring seam and a porous pattern to make the slurry evenly sprayed into the feeding tank, and the magnetic powder in the slurry is directly captured and collected by the magnetic drum body, which improves the solid-liquid separation efficiency of the drum body. The flat permanent magnet used at the bottom of the clarification tank increases the magnetic attraction and can more thoroughly separate the magnetic powder remaining in the solvent. When unloading, the magnetic powder can be discharged through the discharge port at the bottom. The operation is simple and convenient. Keep the equipment in a closed state to reduce solvent evaporation. The feed tank, storage tank and clarification tank adopt a cooling liquid interlayer structure, and the cooling liquid interlayer is passed into a low-temperature cooling liquid to cool the slurry or solvent, which can effectively reduce the volatilization of the solvent. The sealing protective cover is made of transparent plate, which can easily observe the operation status of the equipment. The equipment operation and discharge materials are basically in a closed state, which is beneficial to effectively reduce solvent volatilization.
附图说明Description of drawings
图1是本实用新型实施例的结构剖视图。FIG. 1 is a structural cross-sectional view of an embodiment of the present invention.
图2为本实用新型实施例的进料口的示意图。FIG. 2 is a schematic diagram of a feed port of an embodiment of the present invention.
图中标示如下：1、进料槽，2、储料槽，3、澄清槽，3.1、永磁体区，4、进料管，4.1、进料口，5、溢流管，6、磁性滚筒体，6.1、永磁体区，6.2、不锈钢板，6.3、无磁区，7、滚筒传动装置，8、刮刀，9、刮刀角度定位器，10、冷却液夹层，11、冷却液进口，12、冷却液出口，13、卸料口，14、密封防护罩，15、支架。The diagrams are marked as follows: 1. Feeding trough, 2. Storage trough, 3. Clarifying tank, 3.1. Permanent magnet area, 4. Feeding pipe, 4.1. Feeding port, 5. Overflow pipe, 6. Magnetic drum body, 6.1, permanent magnet area, 6.2, stainless steel plate, 6.3, non-magnetic area, 7, roller drive, 8, scraper, 9, scraper angle positioner, 10, coolant interlayer, 11, coolant inlet, 12, cooling Liquid outlet, 13, discharge port, 14, sealing protective cover, 15, bracket.
具体实施方式Detailed ways
下面结合附图及具体实施例对本实用新型作进一步说明。The present utility model will be further described below with reference to the accompanying drawings and specific embodiments.
如图1和图2所示，本实用新型的冷却式磁性粉体固液分离设备包括进料槽1、储料槽2、澄清槽3、进料管4、磁性滚筒体6、滚筒传动装置7、刮刀8、冷却液夹层10、密封防护罩14和支架15。As shown in Figures 1 and 2, the cooling type magnetic powder solid-liquid separation equipment of the present invention includes a feeding tank 1, a storage tank 2, a clarifying tank 3, a feeding pipe 4, a magnetic drum body 6, and a drum transmission device. 7. Scraper 8, coolant interlayer 10, sealing shield 14 and bracket 15.
澄清槽3的一侧与进料槽1的一侧连通，从而使进料槽1内的料浆去除磁性粉体后的溶剂可以流到澄清槽3内，所述进料槽1与储料槽2通过一水平放置的溢流管5连通。所述进料管4与进料槽1连通，具体结构为：进料管4采用半圆形管，进料口4.1设置在半圆形管的径向的矩形剖面上。进料口4.1可采用环缝、多孔状等式样，以使得料浆均匀喷射进入进料槽1，磁性粉体被磁性滚筒体6捕获收集。所述磁性滚筒体6安装在支架15上，磁性滚筒体6与滚筒传动装置7连接，通过电机传动一起转动。磁性滚筒体6与进料槽1为同心圆，两者表面的间距为5-50mm,可保证充分去除料浆中磁性粉体。磁性滚筒体6由不锈钢板6.2制成，圆周上等间隔分布着永磁体区6.1和无磁体区6.3，永磁体区6.1与无磁体区6.3的面积占比的比值为1：(0.1-0.5)。进料槽1、储料槽2和澄清槽3以及滚筒传动装置7均安装在支架15上。所述进料槽1、储料槽2和澄清槽3的底部均设有卸料口13。所述澄清槽3的底部的不锈钢板夹层内设有永磁体3.1，永磁体 3.1可除去溶剂中残留的磁性粉体。澄清槽3的卸料口13处设有一段无磁区，以便于卸料。所述刮刀8及刮刀角度定位器9位于储料槽2和进料槽1的上方并靠近磁性滚筒体6。刮刀8的角度可自由调节，将刮刀8的刀口调节至贴近磁性滚筒体6，当磁性滚筒体6转动时，磁性滚筒体6上吸附的磁性粉体自动被刮刀8刮至储料槽2。储料槽2的一侧的进料管4的中上部设有溢流管5。所述密封防护罩14安装在支架15上，密封防护罩14采用透明板材制作，不但结实耐用，还可方便观察设备内物料的运转状态，以及有效减少溶剂挥发。所述冷却液夹层10的外层采用不锈钢钢板等材料包覆于进料槽1、储料槽2和澄清槽3上来实施，冷却液夹层10的较低处设置冷却液进口11，在储料槽2和澄清槽3内较高处设置冷却液出口12。冷却液夹层10内可通入低温冷却液，以给料浆或溶剂冷却降温，减少溶剂挥发。冷却液夹层10的外层的不锈钢层可采用保温材料包覆。One side of the clarification tank 3 is communicated with one side of the feeding tank 1, so that the solvent after the magnetic powder is removed from the slurry in the feeding tank 1 can flow into the clarification tank 3. The feeding tank 1 is connected to the storage tank 1. The tank 2 is communicated by a horizontally placed overflow pipe 5 . The feeding pipe 4 communicates with the feeding tank 1, and the specific structure is as follows: the feeding pipe 4 adopts a semicircular pipe, and the feeding port 4.1 is arranged on the radial rectangular section of the semicircular pipe. The feeding port 4.1 can be in the form of a ring seam, a porous shape, etc., so that the slurry is uniformly sprayed into the feeding tank 1, and the magnetic powder is captured and collected by the magnetic drum body 6. The magnetic drum body 6 is installed on the bracket 15, and the magnetic drum body 6 is connected with the drum transmission device 7, and is driven to rotate together by a motor. The magnetic drum body 6 and the feeding chute 1 are concentric circles, and the distance between the two surfaces is 5-50mm, which can ensure that the magnetic powder in the slurry can be fully removed. The magnetic drum body 6 is made of stainless steel plate 6.2, and the permanent magnet area 6.1 and the non-magnet area 6.3 are distributed at equal intervals on the circumference. The ratio of the area ratio of the permanent magnet area 6.1 to the non-magnet area 6.3 is 1: (0.1-0.5) . The feeding tank 1 , the storage tank 2 and the clarifying tank 3 and the drum transmission device 7 are all installed on the bracket 15 . The bottoms of the feeding tank 1 , the storage tank 2 and the clarifying tank 3 are all provided with a discharge port 13 . A permanent magnet 3.1 is provided in the stainless steel plate interlayer at the bottom of the clarification tank 3, and the permanent magnet 3.1 can remove the residual magnetic powder in the solvent. A section of non-magnetic area is set at the discharge port 13 of the clarification tank 3 to facilitate discharge. The scraper 8 and the scraper angle positioner 9 are located above the storage tank 2 and the feed tank 1 and close to the magnetic drum body 6 . The angle of the scraper 8 can be adjusted freely, and the blade of the scraper 8 is adjusted to be close to the magnetic drum body 6. When the magnetic drum body 6 rotates, the magnetic powder adsorbed on the magnetic drum body 6 is automatically scraped by the scraper 8 to the storage tank 2. An overflow pipe 5 is provided in the upper middle and upper part of the feeding pipe 4 on one side of the storage tank 2 . The sealing protective cover 14 is installed on the bracket 15, and the sealing protective cover 14 is made of a transparent plate, which is not only strong and durable, but also facilitates observation of the running state of materials in the equipment and effectively reduces solvent volatilization. The outer layer of the cooling liquid interlayer 10 is implemented by covering the feeding tank 1, the storage tank 2 and the clarification tank 3 with materials such as stainless steel plates. A cooling liquid outlet 12 is provided at a higher position in the tank 2 and the clarification tank 3 . A low-temperature cooling liquid can be introduced into the cooling liquid interlayer 10 to cool down the slurry or solvent to reduce solvent volatilization. The stainless steel layer of the outer layer of the cooling liquid interlayer 10 may be covered with a thermal insulation material.

Claims (10)

  1. 一种冷却式磁性粉体固液分离设备，其特征在于：包括进料槽、储料槽、澄清槽、进料管、刮刀、磁性滚筒体、密封防护罩和支架，所述进料管安装于储料槽和进料槽交汇处的上方，进料管的径向处设有进料口，进料管的上方设有数个溢流管，以使得储料槽内长时间储料沉淀后的上清液回流至进料槽，所述刮刀位于储料槽和进料槽的上方并靠近磁性滚筒体，所述磁性滚筒体与进料槽间隔设置，所述澄清槽的一端与储料槽的一端连通，所述进料槽、储料槽和澄清槽均安装在支架上，所述密封防护罩罩于支架上。A cooling-type magnetic powder solid-liquid separation equipment is characterized in that: it includes a feeding tank, a storage tank, a clarifying tank, a feeding pipe, a scraper, a magnetic drum body, a sealing protective cover and a bracket, and the feeding pipe is installed Above the intersection of the storage tank and the feeding tank, there is a feeding port at the radial direction of the feeding pipe, and several overflow pipes are arranged above the feeding pipe, so that the material in the storage tank can settle for a long time after being stored for a long time. The supernatant is returned to the feeding tank, the scraper is located above the storage tank and the feeding tank and is close to the magnetic drum body, the magnetic drum body and the feeding tank are arranged at intervals, and one end of the clarification tank is connected to the storage tank. One end of the tank is connected, the feeding tank, the storage tank and the clarifying tank are all installed on the bracket, and the sealing protective cover is covered on the bracket.
  2. 如权利要求1所述的冷却式磁性粉体固液分离设备，其特征在于：所述进料槽、储料槽和澄清槽外设置有一体式的冷却液夹层，以通入低温冷却液给料浆或溶剂降温。The cooling-type magnetic powder solid-liquid separation equipment according to claim 1, wherein an integrated cooling liquid interlayer is arranged outside the feeding tank, the storage tank and the clarification tank, so that the low-temperature cooling liquid can be fed into the cooling liquid. Slurry or solvent cooling.
  3. 如权利要求1或2所述的冷却式磁性粉体固液分离设备，其特征在于：所述冷却液夹层位于进料槽、储料槽和澄清槽的壳体处，在冷却液夹层的较低处设置冷却液进口，在储料槽和澄清槽内的较高处设置冷却液出口。The cooling-type magnetic powder solid-liquid separation equipment according to claim 1 or 2, wherein the cooling liquid interlayer is located at the shells of the feeding tank, the storage tank and the clarification tank, and the cooling liquid interlayer is located at the lower part of the cooling liquid interlayer. The cooling liquid inlet is set at the lower part, and the cooling liquid outlet is set at the higher part in the storage tank and the clarifying tank.
  4. 如权利要求1至3中任一项所述的冷却式磁性粉体固液分离设备，其特征在于：所述磁性滚筒体与进料槽为同心圆布置，且磁性滚筒体与进料槽的表面之间的间距为5-50mm。The cooling-type magnetic powder solid-liquid separation equipment according to any one of claims 1 to 3, wherein the magnetic drum body and the feeding chute are arranged in concentric circles, and the magnetic drum body and the feeding chute are arranged in concentric circles. The spacing between the surfaces is 5-50mm.
  5. 如权利要求1至4中任一项所述的冷却式磁性粉体固液分离设备，其特征在于：所述磁性滚筒体的圆周上等间隔分布着永磁体区和无磁体区，永磁体区与无磁体区的面积占比的比值为1：(0.1-0.5)。The cooling-type magnetic powder solid-liquid separation device according to any one of claims 1 to 4, characterized in that: permanent magnet areas and non-magnet areas are distributed at equal intervals on the circumference of the magnetic drum body, and the permanent magnet area is The ratio to the area ratio of the magnet-free area is 1:(0.1-0.5).
  6. 如权利要求1至5中任一项所述的冷却式磁性粉体固液分离设备，其特征在于：所述进料管通过多个进料口将料浆均匀喷射进入进料槽。The cooling-type magnetic powder solid-liquid separation equipment according to any one of claims 1 to 5, wherein the feeding pipe uniformly sprays the slurry into the feeding tank through a plurality of feeding ports.
  7. 如权利要求1至6中任一项所述的冷却式磁性粉体固液分离设备，其特征在于：所述刮刀采用角度定位器调角，以多角度调节刮刀与磁性滚筒体之间的间距。The cooling-type magnetic powder solid-liquid separation equipment according to any one of claims 1 to 6, wherein the scraper adopts an angle positioner to adjust the angle, and the distance between the scraper and the magnetic drum body is adjusted at multiple angles. .
  8. 如权利要求1至7中任一项所述的冷却式磁性粉体固液分离设备，其特征在于：所述澄清槽的底部设有永磁体区。The cooling-type magnetic powder solid-liquid separation equipment according to any one of claims 1 to 7, wherein a permanent magnet area is provided at the bottom of the clarification tank.
  9. 如权利要求1至8中任一项所述的冷却式磁性粉体固液分离设备，其特征在于：所述密封防护罩上设置有透明观察口，以观察内部运行情况。The cooling-type magnetic powder solid-liquid separation equipment according to any one of claims 1 to 8, wherein a transparent observation port is provided on the sealed protective cover to observe the internal operation.
  10. 如权利要求1至9中任一项所述的冷却式磁性粉体固液分离设备，其特征在于：所述进料槽、储料槽和澄清槽的底部均设有卸料口。The cooling-type magnetic powder solid-liquid separation equipment according to any one of claims 1 to 9, characterized in that: the bottoms of the feeding tank, the storage tank and the clarification tank are all provided with discharge ports.
PCT/CN2021/125311 2021-01-08 2021-10-21 Cooling-type solid-liquid separation apparatus for magnetic powder WO2022148096A1 (en)

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