WO2021106135A1 - 熱媒体が供給されるピンミキサ - Google Patents

熱媒体が供給されるピンミキサ Download PDF

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Publication number
WO2021106135A1
WO2021106135A1 PCT/JP2019/046512 JP2019046512W WO2021106135A1 WO 2021106135 A1 WO2021106135 A1 WO 2021106135A1 JP 2019046512 W JP2019046512 W JP 2019046512W WO 2021106135 A1 WO2021106135 A1 WO 2021106135A1
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WO
WIPO (PCT)
Prior art keywords
rotating body
heat medium
pin mixer
mixture
container
Prior art date
Application number
PCT/JP2019/046512
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
健太 増田
剛 寺野
Original Assignee
大平洋機工株式会社
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 大平洋機工株式会社 filed Critical 大平洋機工株式会社
Priority to PCT/JP2019/046512 priority Critical patent/WO2021106135A1/ja
Priority to JP2021561064A priority patent/JP7313638B2/ja
Publication of WO2021106135A1 publication Critical patent/WO2021106135A1/ja

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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
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems

Definitions

  • the present invention relates to a pin mixer in which a rotating body provided with a plurality of pins on its surface is rotated in a predetermined container to mix a mixture to be mixed. More specifically, the present invention relates to a predetermined rotating body having a substantially spherical shape or the like. It relates to a pin mixer having a three-dimensional shape of size.
  • the pin mixer is roughly composed of a rotating body and a container for accommodating the rotating body, and a plurality of pins are provided on the surface of the rotating body.
  • a plurality of pins collide with the mixture at high speed to exert a strong dispersing action.
  • the mixture is uniformly mixed.
  • Such a pin mixer is excellent in appropriately mixing a mixture to be mixed, which has a high adhesiveness, such as a mixture of powder and liquid. It is also excellent for quickly mixing a mixture to be mixed, which cures early after mixing.
  • the rotating body is made of a disk having a predetermined plate thickness.
  • a plurality of pins are provided upward on the upper surface of a rotating body made of this disk.
  • a plurality of pins are also provided downward on the ceiling of the container that houses the rotating body.
  • the pins provided on the container and the pins provided on the rotating body are arranged so as not to collide with each other.
  • the rotating body is formed of a disk
  • a pin mixer in which the rotating body is formed in a three-dimensional shape such as the pin mixer described in Patent Document 2 is also well known.
  • the rotating body is formed in a substantially hemispherical shape. More specifically, the sphere has a disk-shaped top surface, a low-height cylindrical side surface connected perpendicular to this top surface, and a downward conical conical surface connected below this side surface. It is roughly composed of and, and has a hemispherical shape as a whole.
  • a plurality of pins are provided on the upper surface, the side surface, and the conical surface.
  • the rotating body is rotated and the mixture is continuously charged into the container from the upper part of the container, the mixture is gradually sent to the lower part of the container while being dispersed and mixed. Then, the uniformly mixed mixture is continuously discharged from the lower part of the container.
  • Both the pin mixer described in Patent Document 1 and the pin mixer described in Patent Document 2 are excellent in that the mixture to be mixed can be continuously and uniformly mixed.
  • the pin mixer can efficiently and uniformly mix the mixture due to the strong dispersing action and the mixing action, but there is a problem that the temperature of the mixture is raised by the strong dispersing action and the mixing action.
  • the quality may be adversely affected when heated, so it is necessary to cool it appropriately.
  • a method can be adopted in which a cooling jacket or the like is provided around the container to cool the container with a heat medium such as cold water, thereby cooling the mixture.
  • a heat medium such as cold water
  • the rotating body provided with the pins can be appropriately cooled, the mixture can be cooled efficiently.
  • the pin mixer described in Patent Document 1 since the rotating body has a disk shape, it is difficult to supply cooling water to the inside of the rotating body.
  • the pin mixer described in Patent Document 2 since the rotating body has a predetermined volume, it seems that cooling water can be supplied to the inside of the rotating body.
  • even if the cooling water can be supplied to the rotating body it may not be possible to uniformly cool the rotating body simply by supplying the cooling water.
  • An object of the present invention is to provide a pin mixer that solves the above-mentioned problems. Specifically, when the mixture is kneaded, the temperature can be appropriately controlled such as cooling and heating, thereby improving the quality. It is an object of the present invention to provide a pin mixer capable of obtaining a high mixture.
  • the present invention comprises a rotating body provided at the tip of a vertical rotating shaft and a predetermined container for accommodating the rotating body, and a plurality of pins are provided on the surface of the rotating body.
  • the target is the pin mixer.
  • the rotating body is formed to be substantially spherical or substantially hemispherical, and the inside thereof is formed to be hollow so that a heat medium can be inserted.
  • the central shaft of the rotating shaft is hollowed out with a predetermined diameter, and a pipe having a small diameter is inserted into the hollowed out shaft. Then, the flow path in the pipe and the flow path in the gap between the pipe and the hollow are secured.
  • One flow path is used for supply to supply the heat medium into the rotating body, and the other flow path is used for discharge to discharge the heat medium.
  • the hollow portion of the rotating body is provided with a supply port for supplying the heat medium and a discharge port for discharging the heat medium, and one of the supply port and the discharge port is provided at the lower part of the hollow portion. The other should be placed at the top.
  • the invention according to claim 1 comprises a rotating body provided at the tip of a vertical rotating shaft and a predetermined container for accommodating the rotating body in order to achieve the above object, and the surface of the rotating body.
  • a plurality of pins are provided in the container, and when the mixture is charged from a predetermined charging portion provided in the upper part of the container and the rotating body is rotated, the mixture is dispersed and mixed and is placed in the lower part of the container.
  • the rotating shaft is hollowed out with a predetermined diameter at the center of the rotating shaft, and a pipe having a diameter smaller than the diameter of the hollow is inserted into the hollow, thereby between the hollow and the pipe.
  • a gap flow path is formed, and the heat medium is supplied into the rotating body from one of the flow paths in the pipe or the gap flow path, and is discharged from the other.
  • It is configured as a pin mixer.
  • the invention according to claim 2 is the pin mixer according to claim 1, wherein a supply port for supplying a heat medium and a discharge port for discharging the heat medium are provided in a hollow portion of the rotating body. , One of the supply port and the discharge port is arranged in the lower part of the hollow portion, and the other is arranged in the upper part, respectively.
  • the invention according to claim 3 is the pin mixer according to claim 2, wherein a plurality of the supply port and the discharge port are provided inside the rotating body. Will be done.
  • the present invention targets a predetermined mixer. That is, it is composed of a rotating body provided at the tip of a vertical rotating shaft and a predetermined container for accommodating the rotating body, and a plurality of pins are provided on the surface of the rotating body and are provided at the upper part in the container.
  • a predetermined mixer is composed of a rotating body provided at the tip of a vertical rotating shaft and a predetermined container for accommodating the rotating body, and a plurality of pins are provided on the surface of the rotating body and are provided at the upper part in the container.
  • the rotating body is formed to be substantially spherical or substantially hemispherical, and the inside thereof is formed to be hollow so that a heat medium can be inserted.
  • the pin mixer of the present invention can control the temperature of the mixture by cooling or heating the rotating body with a heat medium.
  • the supply method of such a heat medium becomes a problem, but according to the present invention, the central shaft of the rotating shaft is hollowed out with a predetermined diameter, and a pipe having a diameter smaller than the diameter of the hollowed out pipe is inserted into the hollowed out.
  • a gap flow path is formed between the hollow and the pipe, and the heat medium is configured to be supplied into the rotating body from one of the flow paths in the pipe or the gap flow path and discharged from the other. There is. Therefore, the two flow paths of the rotating shaft can be used to appropriately supply and discharge the heat medium inside the rotating body.
  • the hollow portion of the rotating body is provided with a supply port for supplying a heat medium and a discharge port for discharging the heat medium, and one of the supply port and the discharge port is the lower part of the hollow portion. And the other is located at the top.
  • the heat medium is supplied from the lower part of the hollow portion in the rotating body or from the upper part and discharged from the upper part or the lower part, a forced flow in the vertical direction is generated in the heat medium. This ensures that the heat medium circulates properly in the rotating body and the temperature is kept uniform. Therefore, a high quality mixture is obtained.
  • a plurality of supply ports and a plurality of discharge ports are provided inside the rotating body. Then, the vertical flow of the heat medium is further smoothed, the temperature of the rotating body becomes uniform, and the quality of the mixture is guaranteed to be uniform.
  • the pin mixer 1 according to the embodiment of the present invention is roughly composed of a rotating body 3 and a container 4 for accommodating the rotating body 3.
  • the rotating body 3 is characterized in that a heat medium such as a cooling liquid is put inside the rotating body 3, and the internal structure will be described in detail later.
  • the outer surface shape of the rotating body 3 is formed into a predetermined three-dimensional object having a substantially spherical shape.
  • the upper surface 3a is formed in a circular shape
  • the upper inclined side surface 3b formed of a part of the side surface of the cone is connected to the upper surface 3a
  • the inclined side surface 3b corresponds to the side surface of the cylinder.
  • a vertical side surface 3c is connected to the vertical side surface 3c
  • a downward inclined side surface 3d formed of a part of the side surface of the cone is connected to the vertical side surface 3c
  • a circular bottom surface 3e is connected to the downward inclined side surface 3d.
  • the rotating body 3 is provided with a plurality of pins 6, 6, ... On the upper inclined side surface 3b, the vertical side surface 3c, and the lower inclined side surface 3d, respectively.
  • the size of the rotating body 3 is not particularly limited, but for example, the diameter can be 150 to 2000 mm.
  • Such a rotating body 3 is provided on a vertical rotating shaft 8.
  • the rotating shaft 8 is rotated by a drive mechanism (not shown in the figure) so that the rotating body 3 can be rotated.
  • the inner peripheral surface of the container 4 is formed according to the shape of the rotating body 3, and is close to the tips of pins 6, 6, ... That is, the gap between the inner peripheral surface and the tips of the pins 6, 6, ... Is small. Since the inner peripheral surface of the container 4 is formed in this way, the mixture is charged into the container 4 as described later, and when the rotating body 3 is rotated, most of the mixture becomes pins 6, 6, ... It will come into direct contact and will be properly dispersed and mixed.
  • the inner peripheral surface of such a container 4 may be coated with rubber, resin or the like, if necessary, so as not to be worn by the mixture.
  • the container 4 is composed of a container main body 10 constituting the lower half and a container lid 11 provided on the container main body 10.
  • the container lid 11 can be removed during maintenance, and when removed, the rotating body 3 can be exposed.
  • the container body 10 includes a support portion 12 that supports the rotating body 3, and a rotating shaft 8 is rotatably inserted into the support portion 12.
  • a sleeve 13 is provided on the upper portion of the support portion 12 so that the heat medium contained in the rotating body 3 does not leak to the outside, and the rotating shaft 8 and the rotating body 3 are liquid-tight with respect to the support portion 12. It is designed to rotate.
  • the container lid portion 11 is provided with an opening for charging the mixture, that is, a charging portion 15, at the uppermost portion thereof.
  • the container lid 11 is provided with several more openings on its side surface.
  • the mixture is composed of powder and liquid, but the powder is from the uppermost charging part 15 and the liquid is from several openings on the side surfaces, that is, the liquid charging parts 16 and 16, respectively. It is designed to be thrown into 4.
  • the container main body 10 is provided with an opening, that is, an outlet 18, from which the mixed mixture is discharged.
  • the outlet portion 18 is provided with a plug body 19 so that the outlet portion 18 can be closed and opened as appropriate.
  • the pin mixer 1 is characterized in that a heat medium such as cooling water is supplied to the inside of the rotating body 3.
  • the rotating shaft 8 has a predetermined structure for supplying and discharging the heat medium.
  • FIG. 2 shows a rotary shaft 8 cut along the XX cross section of FIG. 1.
  • the central shaft of the rotary shaft 8 is hollowed out with a predetermined diameter, and a small diameter pipe 21 is inserted into the hollowed out 20. Has been done.
  • the inside of the pipe 21 is a flow path through which the heat medium flows, that is, a flow path 23 in the pipe, but the annular gap between the hollow 20 and the outer peripheral surface of the pipe 21 is also a flow path through which the heat medium flows. That is, it is a gap flow path 24.
  • the rotating shaft 8 is connected by a rotary joint at the lower portion thereof, and a heat medium such as cooling water supplied from the outside is supplied to the gap flow path 24 or the in-pipe flow path 23. It is supposed to be done.
  • the pipe 21 is shown to be floating in the hollow 20. Then, the pipe 21 is unstable in the hollow 20 and seems to be displaced when it receives a lateral force. However, in reality, the pipe 21 is held down by a protrusion provided in the hollow 20 or a protrusion provided in the pipe 21, and the shaft core does not shift. That is, there is no lateral deviation.
  • the rotating body 3 is provided on the rotating shaft 8 as described above, but more specifically, the rotating body 8 is inserted to a predetermined position inside the rotating body 3.
  • a first chamber 26 is provided on the end surface of the inserted rotating shaft 8, and the gap flow path 24 of the rotating shaft 8 communicates with the first chamber 26.
  • the heat medium is supplied to the first room 26 via the gap flow path 24, and is supplied from the first room 26 into the rotating body 3.
  • the pipe 21 provided on the rotating shaft 8 extends beyond the end face of the rotating shaft 8 and further penetrates the first chamber 26 by a predetermined length.
  • a second room 27 is provided in the upper part of the first room 26 in the rotating body 3, and the tip of the extended pipe 21 is open to the second room 27.
  • the heat medium circulating in the rotating body 3 is collected in the second chamber 27 and discharged to the outside through the flow path 23 in the pipe.
  • the rotating body 3 is provided with the first pipelines 29, 29, ... In the first chamber 26, and the second pipelines 30, 30, ... In the second chamber 27, respectively. ing.
  • a plurality of first pipelines 29, 29, ..., And second pipelines 30, 30, ... Are provided, but each end, that is, the position of the opening is characteristic. That is, the ends of the first pipelines 29, 29, ... Are provided at the lowermost position inside the rotating body 3, and the heat medium is supplied at the lowermost position. That is, the heat medium supply ports 31, 31, ... The ends of the second pipelines 30, 30, ... Are provided at the uppermost position inside the rotating body 3, and the heat medium is discharged at the uppermost position. That is, the heat medium outlets 32, 32, ... Since the supply ports 31, 31, ... And the discharge ports 32, 32, ... Are arranged in this way, the heat medium supplied into the rotating body 3 is forced to flow from the bottom to the top, which is appropriate. It will circulate.
  • the operation of the pin mixer 1 according to the present embodiment will be described. As an example, a method of mixing the negative electrode gel used in an alkaline battery will be described.
  • the plug 19 is driven to close the outlet 18.
  • the pin mixer 1 according to the present embodiment can continuously mix the mixture, but since the mixture is small at the start of operation, it may not be mixed properly. Therefore, the outlet portion 18 is temporarily closed at the start of operation.
  • the rotating shaft 8 is driven to rotate the rotating body 3.
  • the peripheral speed of the rotating body 3 is set to, for example, 10 to 25 m / s. Further, cooling water is supplied into the rotating body 3 as a heat medium.
  • the cooling water is eventually discharged to the outside via the discharge ports 32, 32, ..., the second pipelines 30, 30, ..., the second chamber 27, and the in-pipe flow path 23.
  • a predetermined amount of the mixture to be mixed is accumulated in the container 4, it is determined that the mixture is properly mixed and the plug 19 is opened.
  • the mixture is discharged from the outlet 18. After that, the mixture is continuously mixed and discharged from the outlet portion 18.
  • the pin mixer 1 according to the present embodiment can be deformed in various ways.
  • the shape of the rotating body 3 can be deformed.
  • the rotating body 3 is formed in a substantially spherical shape, but for example, the rotating body 3 may be formed in a substantially hemispherical shape having a flat upper surface.
  • the heat medium supply port 31 is provided below the rotating body 3 and the discharge port 32 is provided above the supply port 31, but the supply port 31 is above the supply port 31 and the discharge port 32 is above the supply port 32. It may be provided below it.
  • the heat medium circulates in the rotating body 3 from top to bottom to adjust the temperature of the rotating body 3.
  • Other deformations are possible, and the flow path of the heat medium in the rotating shaft 8 can be deformed. That is, although it has been explained that the gap flow path 24 is for supplying the heat medium and the in-pipe flow path 23 is for discharging, the gap flow path 24 may be for discharging and the in-pipe flow path 23 may be for supplying.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Accessories For Mixers (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Battery Electrode And Active Subsutance (AREA)
PCT/JP2019/046512 2019-11-28 2019-11-28 熱媒体が供給されるピンミキサ WO2021106135A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2019/046512 WO2021106135A1 (ja) 2019-11-28 2019-11-28 熱媒体が供給されるピンミキサ
JP2021561064A JP7313638B2 (ja) 2019-11-28 2019-11-28 熱媒体が供給されるピンミキサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/046512 WO2021106135A1 (ja) 2019-11-28 2019-11-28 熱媒体が供給されるピンミキサ

Publications (1)

Publication Number Publication Date
WO2021106135A1 true WO2021106135A1 (ja) 2021-06-03

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PCT/JP2019/046512 WO2021106135A1 (ja) 2019-11-28 2019-11-28 熱媒体が供給されるピンミキサ

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JP (1) JP7313638B2 (enrdf_load_stackoverflow)
WO (1) WO2021106135A1 (enrdf_load_stackoverflow)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3092180A (en) * 1958-09-17 1963-06-04 Separator Ab Heat exchange apparatus
US3563710A (en) * 1968-02-16 1971-02-16 Monsanto Co Polymerization apparatus
JPS61195339U (enrdf_load_stackoverflow) * 1985-05-24 1986-12-05
JPS62289225A (ja) * 1986-06-10 1987-12-16 Taiheiyo Kiko Kk 連続混合機
JPH06114254A (ja) * 1992-09-30 1994-04-26 Asada Tekko Kk 分散攪拌機
JP2004241233A (ja) * 2003-02-05 2004-08-26 Fdk Corp アルカリ電池負極ゲルの製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH682465A5 (de) * 1988-06-09 1993-09-30 Buehler Ag Rührwerksmühle.
CN110756290A (zh) * 2019-09-24 2020-02-07 琥崧智能装备(太仓)有限公司 一种旋转轴冷却结构、砂磨机及冷却方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3092180A (en) * 1958-09-17 1963-06-04 Separator Ab Heat exchange apparatus
US3563710A (en) * 1968-02-16 1971-02-16 Monsanto Co Polymerization apparatus
JPS61195339U (enrdf_load_stackoverflow) * 1985-05-24 1986-12-05
JPS62289225A (ja) * 1986-06-10 1987-12-16 Taiheiyo Kiko Kk 連続混合機
JPH06114254A (ja) * 1992-09-30 1994-04-26 Asada Tekko Kk 分散攪拌機
JP2004241233A (ja) * 2003-02-05 2004-08-26 Fdk Corp アルカリ電池負極ゲルの製造方法

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JP7313638B2 (ja) 2023-07-25
JPWO2021106135A1 (enrdf_load_stackoverflow) 2021-06-03

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