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FR2665846A1 - Hammer mill with vertical axis with recycling of the products to be milled - Google Patents

Hammer mill with vertical axis with recycling of the products to be milled Download PDF

Info

Publication number
FR2665846A1
FR2665846A1 FR8704851A FR8704851A FR2665846A1 FR 2665846 A1 FR2665846 A1 FR 2665846A1 FR 8704851 A FR8704851 A FR 8704851A FR 8704851 A FR8704851 A FR 8704851A FR 2665846 A1 FR2665846 A1 FR 2665846A1
Authority
FR
France
Prior art keywords
products
vertical axis
milled
grinding chamber
hopper
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Withdrawn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
FR8704851A
Other languages
French (fr)
Inventor
Bertrand Bernard
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8704851A priority Critical patent/FR2665846A1/en
Publication of FR2665846A1 publication Critical patent/FR2665846A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B02C13/16—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters hinged to the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

a) Device making it possible to improve the efficiency of hammer mills of vertical axis. The invention relates to a device making it possible to remove the oversized particles from the grinding chamber, it being possible for these particles to be recovered and reintroduced into the grinding chamber. b) It consists of a hopper (1) and of an extraction system (2> in a hammer mill, flour is produced when products have been incorporated into the mill and then by mixing up in the chamber. This mixing up gives rise to heating and the flour is thus obtained with poor efficiency, it would therefore be better to extract the non-milled products during incorporation and to reincorporate them if required. The present invention allows this to be produced on mills with vertical axis. The device is composed of a hopper located under the grinding chamber making it possible to receive products which have not been milled sufficiently fine (1), and of an extraction screw (2).

Description

DESCRIPTION
f
La présente invention concerne les broyeurs à marteaux à axe vertical permettant de dégager de la chambre de broyage, les grosses particules et de les réintroduire dans le broyeur
Lorsqu'il faut obtenir une farine de granulomètrie bien déterminée, on utilise actuellement un broyeur à axe horizontal afin de pouvoir faire passer la totalité du produit au travers des grilles réparties sur la périphérie de la chambre de broyage. On peut avec ce genre d'installation recycler les produits qui ne sont pas passés au travers de ces grilles en amenageant une ouverture dans les grilles mais alors on réduit la surface des grilles.DESCRIPTION
f
The present invention relates to hammer mills with a vertical axis enabling the large particles to be released from the grinding chamber and reintroduced into the grinder
When it is necessary to obtain a well-defined grain size flour, a mill with a horizontal axis is currently used in order to be able to pass the entire product through grids distributed around the periphery of the grinding chamber. With this type of installation, it is possible to recycle the products which have not passed through these grids by providing an opening in the grids, but then the surface of the grids is reduced.

Le dispositif suivant l'invention permet d'éviter ces inconvénients. The device according to the invention makes it possible to avoid these drawbacks.

Dans celui-ci eneLfet il est possible d'obtenir un recyclaye tout en conservant la totalité de grilles sur la périphérie de la chambre de broyage.In this eneLfet it is possible to obtain a recycling while keeping all of the grids on the periphery of the grinding chamber.

Le dispositif, objet de l'invention comporte une trémie (1) située sous la chambre de broyage permettant de recevoir les produits qui ont été introduits dans le broyeur et qui n'ont pas été suffisamment broyés, ils tombent par gravité dans cette trémie d'où ils sont extraits par une vis ou une écluse (2). The device, object of the invention comprises a hopper (1) located under the grinding chamber for receiving the products which have been introduced into the grinder and which have not been sufficiently ground, they fall by gravity into this hopper d '' where they are extracted by a screw or a lock (2).

Le dispositif, objet de l'invention permet d'utiliser le broyeur à marteaux à axe vertical, même lorsqu'on désire une granulomètrie bien déterminée tout en évitant une saturation éventuelle de la chambre à broyeur. Il ne sty produit pas alors un échauffement qui détériorerait la farine et diminuerait le rendement du broyeur0 En effet un controleur de niveau placé sur la trémie permet d'éviter cet inconvénient. Il peut être utilisé par exemple, dans l; fabrication de la farine pour aliments du bétail où actuellement on utilise des broyeurs à marteaux à axe horizontal.  The device which is the subject of the invention makes it possible to use the hammer mill with a vertical axis, even when a well-defined particle size is desired while avoiding possible saturation of the mill chamber. It does not sty then produces a heating which would deteriorate the flour and would decrease the output of the crusher0 Indeed a level controller placed on the hopper avoids this drawback. It can be used, for example, in l; manufacture of flour for cattle feed where currently hammer mills with horizontal axis are used.

Claims (1)

REVENDICATIONS 1) - dispositif permettant d'améliorer le rendement d'un broyeur à1) - device making it possible to improve the efficiency of a axe vertical caractérisé par le fait que les grosses particules vertical axis characterized by the fact that large particles non broyées sont évacuées par le fond de la chambre de broyage 2) - dispositif selon la revendication 1, caractérisé en ce qv.e la trémie not crushed are discharged through the bottom of the crushing chamber 2) - device according to claim 1, characterized in that the hopper is est disposée sous la chambre de broyage 3) - caractérisé selon la revendication 2, en ce que un système d'-extraction is arranged under the grinding chamber 3) - characterized according to claim 2, in that an extraction system permet de vider régulièrement cette trémie  allows regular emptying of this hopper
FR8704851A 1987-04-06 1987-04-06 Hammer mill with vertical axis with recycling of the products to be milled Withdrawn FR2665846A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8704851A FR2665846A1 (en) 1987-04-06 1987-04-06 Hammer mill with vertical axis with recycling of the products to be milled

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8704851A FR2665846A1 (en) 1987-04-06 1987-04-06 Hammer mill with vertical axis with recycling of the products to be milled

Publications (1)

Publication Number Publication Date
FR2665846A1 true FR2665846A1 (en) 1992-02-21

Family

ID=9349866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8704851A Withdrawn FR2665846A1 (en) 1987-04-06 1987-04-06 Hammer mill with vertical axis with recycling of the products to be milled

Country Status (1)

Country Link
FR (1) FR2665846A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6543709B2 (en) 2001-01-12 2003-04-08 Hosokawa Micron Powder Systems Gravity flow air classifying mill
RU2716057C1 (en) * 2019-03-21 2020-03-05 Федеральное государственное бюджетное научное учреждение "Федеральный аграрный научный центр Северо-Востока имени Н.В. Рудницкого" Hammer crusher
CN111604130A (en) * 2020-05-29 2020-09-01 苌沙沙 Can prevent multi-functional soil breaker of jam
CN114832933A (en) * 2022-03-23 2022-08-02 吴二曼 Vertical building solid waste intelligence breaker
RU232881U1 (en) * 2024-10-24 2025-03-25 Федеральное государственное бюджетное образовательное учреждение высшего образования "Мелитопольский государственный университет" CRUSHER

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6543709B2 (en) 2001-01-12 2003-04-08 Hosokawa Micron Powder Systems Gravity flow air classifying mill
RU2716057C1 (en) * 2019-03-21 2020-03-05 Федеральное государственное бюджетное научное учреждение "Федеральный аграрный научный центр Северо-Востока имени Н.В. Рудницкого" Hammer crusher
CN111604130A (en) * 2020-05-29 2020-09-01 苌沙沙 Can prevent multi-functional soil breaker of jam
CN111604130B (en) * 2020-05-29 2021-10-22 湖北省理化分析测试中心有限公司 Can prevent multi-functional soil breaker of jam
CN114832933A (en) * 2022-03-23 2022-08-02 吴二曼 Vertical building solid waste intelligence breaker
RU232881U1 (en) * 2024-10-24 2025-03-25 Федеральное государственное бюджетное образовательное учреждение высшего образования "Мелитопольский государственный университет" CRUSHER
RU236811U1 (en) * 2025-05-28 2025-08-22 Федеральное государственное бюджетное образовательное учреждение высшего образования "Мелитопольский государственный университет" Hammer crusher

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