EP0189507A2 - Mélangeur - Google Patents

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Publication number
EP0189507A2
EP0189507A2 EP85102905A EP85102905A EP0189507A2 EP 0189507 A2 EP0189507 A2 EP 0189507A2 EP 85102905 A EP85102905 A EP 85102905A EP 85102905 A EP85102905 A EP 85102905A EP 0189507 A2 EP0189507 A2 EP 0189507A2
Authority
EP
European Patent Office
Prior art keywords
materials
blade
casing
mixer
rotary shaft
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP85102905A
Other languages
German (de)
English (en)
Other versions
EP0189507A3 (fr
Inventor
Isao Habiro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Automatic Mechanical System Engineering Co
Original Assignee
Automatic Mechanical System Engineering Co
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 Automatic Mechanical System Engineering Co filed Critical Automatic Mechanical System Engineering Co
Publication of EP0189507A2 publication Critical patent/EP0189507A2/fr
Publication of EP0189507A3 publication Critical patent/EP0189507A3/fr
Withdrawn legal-status Critical Current

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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
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/72—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices
    • B01F27/721—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with two or more helices in the same receptacle
    • 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
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/72—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices
    • B01F27/726—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with two helices with opposite pitch on the same shaft; with two helices on the same axis, driven in opposite directions or at different speeds

Definitions

  • the present invention relates to a mixer used to mix two or more kinds of materials by moving them in opposite horizontal directions in a casing.
  • a mixer of this type has a casing 1, a rotary shaft 2 extending horizontally through the casing, an outer helical blade 3 in the form of a strip mounted on the rotary shaft for moving the materials to be mixed in one direction, and an inner helical blade 4 in the form of a strip mounted on the rotary shaft for moving the materials in the opposite direction.
  • the width t of the outer helical blade 3 is smaller than the width t' of the inner helical blade 4 so that the amounts of materials fed by these two helical blades will be substantially equal to each other, as shown in Fig. 4.
  • the outer blade 3 produces a rightward flow of material in Fig. 3 and the inner blade 4 produces a leftward material flow.
  • This type of mixer provides an efficient mixing because during operation the material in one of the two flows falls under its own weight into the other moving in the opposite direction.
  • the conventional mixer of this type has so far been used only filled to 80% or more of the capacity. In other words, the amount of the materials to be mixed was limited.
  • An object of the present invention is to provide a mixer which obviates the abovesaid shortcoming and with which materials can be mixed efficiently within
  • a mixer is provided with a screw blade as an auxiliary blade in addition to the inner and outer helical blades.
  • the auxiliary blade feeds the material in the same direction as the inner blade does. It is disposed outside of the outer blade and at a lefthand side of the casing facing the direction in which the outer blade moves the material. Even if the amount of materials is small so that the material will gather at one side in the casing, the amounts of the materials moved in the opposite directions will be balanced in comparison with the conventional mixer. Therefore, the mixer of this invention can be used within a wider range of the capacity.
  • a casing 1 a rotary shaft 2 xtendinq horizontally through the casing, an outer helical blade 3 fixedly mounted on the rotary shaft for moving the materials to be mixed in one direction, and an inner helical blade 4 for moving the materials in the opposite direction.
  • This structure is the same as in the conventional mixer.
  • the mixer of the present invention is provided with a screw blade 5 outside of and over the outer blade 3 so as to feed the materials in the same direction as the inner helical blade 4 does.
  • the screw blade 5 is disposed at the lefthand side in the casinq facing the direction in which the outer blade moves the materials.
  • the blades 3, 4 and 5 have different widths t, t' and t", respectively. Their widths should preferably be determined so that the amount of material fed by the outer blade 3 will be substantially equal to the amount of material fed by the inner blade 4 ard the screw blade 5.
  • the materials to be mixed are thrown into the mixer through a lid (not shown) provided at its top and discharged from its bottom.
  • the blades 3, 4 and 5 are almost buried in the materials. While the rotary shaft 3 and the screw blade 5 turn in the same direction, the materials to be mixed are moved by these blades 3, 4 and 5 and effectively mixed together.
  • the materials gather at one side of the casing as shown in Fig. 2. Because the screw blade 5 is provided over the outer blade at the left side in the casing facing the direction in which the inner blade moves the material, it is buried up by the material, as shown in Fig. 2 with a dotted line.
  • the screw blade feeds the material in a direction opposite to the direction in which the outer blade 3 feeds the material. While the material is being fed by the screw blade 5, some of it falls onto the outer blade 3, mixing into the material fed by the outer blade. Therefore, a hiqhlv efficient mixing is possible. Experiments show that efficient mixing is possible even if the amount of materials is as small as about 25% of the capacity of the casing.
  • the screw blade may be provided at positions shown with a dotted line in Fig. 2, singly or in addition to the screw blade 5 shown in Fig. 2 with a solid line.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
EP85102905A 1985-01-26 1985-03-13 Mélangeur Withdrawn EP0189507A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10120/85 1985-01-26
JP1985010120U JPS6333624Y2 (fr) 1985-01-26 1985-01-26

Publications (2)

Publication Number Publication Date
EP0189507A2 true EP0189507A2 (fr) 1986-08-06
EP0189507A3 EP0189507A3 (fr) 1989-04-26

Family

ID=11741437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85102905A Withdrawn EP0189507A3 (fr) 1985-01-26 1985-03-13 Mélangeur

Country Status (2)

Country Link
EP (1) EP0189507A3 (fr)
JP (1) JPS6333624Y2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401926B (de) * 1995-03-03 1996-12-27 Inowa Gmbh & Co Kg Reaktionsbehälter zur kontinuierlichen chemischen behandlung von flüssigkeiten, insbesondere von abwässern
WO2013067867A1 (fr) * 2011-11-11 2013-05-16 中联重科股份有限公司 Machine de versage pour mortier de béton autonivelant
CN107176424A (zh) * 2016-03-10 2017-09-19 神华集团有限责任公司 物料混合输送轴和多种物料混合输送装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112384B (de) * 1953-09-17 1961-08-03 Baumgarten Muehlen Speicherbau Mischvorrichtung fuer Futtermittel
DE1457150A1 (de) * 1964-06-25 1968-12-12 Mckenzie Robert William Vertikale Misch- und Foerdereinrichtung,insbesondere Diffusor zur Zuckersaftgewinnung
DE1607775B2 (de) * 1966-12-12 1972-10-19 Hosokawa, Masuo, Toyonaka (Japan) Mischvorrichtung
DE2320431A1 (de) * 1973-04-21 1974-11-07 William Thomas Williams Verfahren und vorrichtung zum mischen
GB2028151A (en) * 1978-08-17 1980-03-05 Kidd A W Mixer wagon for feeding farm animals
GB2060419A (en) * 1979-10-16 1981-05-07 Hamptons Aercrete Ltd Improvements in or relating to mixing and conveying apparatus
US4428535A (en) * 1981-07-06 1984-01-31 Liquid Carbonic Corporation Apparatus to cool particulate matter for grinding

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112384B (de) * 1953-09-17 1961-08-03 Baumgarten Muehlen Speicherbau Mischvorrichtung fuer Futtermittel
DE1457150A1 (de) * 1964-06-25 1968-12-12 Mckenzie Robert William Vertikale Misch- und Foerdereinrichtung,insbesondere Diffusor zur Zuckersaftgewinnung
DE1607775B2 (de) * 1966-12-12 1972-10-19 Hosokawa, Masuo, Toyonaka (Japan) Mischvorrichtung
DE2320431A1 (de) * 1973-04-21 1974-11-07 William Thomas Williams Verfahren und vorrichtung zum mischen
GB2028151A (en) * 1978-08-17 1980-03-05 Kidd A W Mixer wagon for feeding farm animals
GB2060419A (en) * 1979-10-16 1981-05-07 Hamptons Aercrete Ltd Improvements in or relating to mixing and conveying apparatus
US4428535A (en) * 1981-07-06 1984-01-31 Liquid Carbonic Corporation Apparatus to cool particulate matter for grinding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401926B (de) * 1995-03-03 1996-12-27 Inowa Gmbh & Co Kg Reaktionsbehälter zur kontinuierlichen chemischen behandlung von flüssigkeiten, insbesondere von abwässern
WO2013067867A1 (fr) * 2011-11-11 2013-05-16 中联重科股份有限公司 Machine de versage pour mortier de béton autonivelant
CN107176424A (zh) * 2016-03-10 2017-09-19 神华集团有限责任公司 物料混合输送轴和多种物料混合输送装置

Also Published As

Publication number Publication date
EP0189507A3 (fr) 1989-04-26
JPS61125336U (fr) 1986-08-06
JPS6333624Y2 (fr) 1988-09-07

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Inventor name: HABIRO, ISAO