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WO2016041336A1 - Meuleuse à tourbillon cyclonique multi-étage - Google Patents

Meuleuse à tourbillon cyclonique multi-étage Download PDF

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Publication number
WO2016041336A1
WO2016041336A1 PCT/CN2015/075969 CN2015075969W WO2016041336A1 WO 2016041336 A1 WO2016041336 A1 WO 2016041336A1 CN 2015075969 W CN2015075969 W CN 2015075969W WO 2016041336 A1 WO2016041336 A1 WO 2016041336A1
Authority
WO
WIPO (PCT)
Prior art keywords
grinding
stage
stage cyclone
eddy current
rotor
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.)
Ceased
Application number
PCT/CN2015/075969
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English (en)
Chinese (zh)
Inventor
吴亮
波德列佐夫⋅弗⋅阿
叶纪卫
帕拉马尔丘克⋅阿⋅瓦
姚建森
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.)
Jia Xing He Wei Pulverization Equipment Co Ltd
Original Assignee
Jia Xing He Wei Pulverization Equipment Co Ltd
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 Jia Xing He Wei Pulverization Equipment Co Ltd filed Critical Jia Xing He Wei Pulverization Equipment Co Ltd
Publication of WO2016041336A1 publication Critical patent/WO2016041336A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B02C19/00—Other disintegrating devices or methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C9/00—Other milling methods or mills specially adapted for grain

Definitions

  • the invention belongs to the field of pulverizing machinery in the field of mechanical manufacturing design, and particularly relates to a mechanical device for grinding solids by multi-stage cyclone vortex for processing the content of wheat aleurone layer.
  • Micro-grinding technology is a pulverizing process technology that meets the requirements of modern industrial, electronic, biological and other new materials and new processes for the particle size of raw materials.
  • the micro-grinding method is mainly mechanical pulverization, including high-speed mechanical impact grinding, airflow grinding, Grinding equipment such as mixing mill, ball mill, roller mill, etc., the equipment currently used generally has high energy consumption, low output, pollutants and other defects.
  • Micro-powder products have a broad market in China, so it is necessary to further develop micro-grinding processing equipment. .
  • a new type of wind eddy current shearing mill is mentioned in the Chinese patent ZL201310278358.6 filed in 2013, which comprises a base, an electric motor, a coupling, a bearing housing, a cylinder and a rotor.
  • the motor is mounted on the base, and the motor output shaft is coupled to the rotor through a coupling.
  • the rotor is composed of discs of different diameters and is mounted on the shaft in a stepwise manner by a key.
  • the diameter of the disc is Gradually increasing, each side of the disc is fixed by a fixing ring, and the blade is radially mounted around the disc by bolts; the wear-resistant lining is mounted on the inner wall of the cylinder by bolts; There are inlet port and discharge port respectively, and an adjustment plate on the upper part of the discharge port can control the flow rate and improve the efficiency of pulverization.
  • the pulverized material of the prior art pulverizes the material unevenly, and metal scrap is generated during the grinding process, and it is difficult to ensure the food safety of the material.
  • the object of the present invention is to provide a multi-stage cyclone vortex grinding machine capable of ensuring the best processing effect of the grinding process of the wheat aleurone layer content, and also has the advantages of reducing energy consumption, pulverizing particle size and ensuring the nutritional quality of the product. Excellent features.
  • a multi-stage cyclone vortex grinder according to the present invention is characterized in that the multi-stage cyclone vortex grinder integrally comprises a driving device, a transmission device, a multi-stage cyclone eddy current grinding device and a discharging device.
  • the driving device provides driving power for the multi-stage cyclone eddy current grinding machine, and is composed of a motor mounted on the machine base and a feeding frequency converter, and the feeding frequency converter adjusts the frequency according to the material state and the working state of the cyclone eddy current grinding machine, and then passes through The frequency change of the frequency converter adjusts the speed of the motor;
  • the transmission device is configured in such a manner that the motor sequentially transmits the driving power to the multi-stage cyclone eddy current grinding device through the power output shaft, the coupling and the spindle transmission component;
  • the multi-stage cyclone eddy current grinding device is composed of a first-stage rotor, a second-stage rotor, a three-stage rotor and a grinding chamber, and each stage rotor has a grinding disc with a step change in diameter, and the grinding discs of each stage are composed of a spacing.
  • the three-disc reverse rotation structure in the same axial direction enables the material to be peeled and pulverized after being accelerated by three plates in reverse rotation;
  • the discharging device comprises a discharge port and a vacuum suction fan, and the cover integrated with the discharge port enables the grinding cavity to form a grinding space volume, which is formed by the double action of forming a gas flow and a negative pressure exhaust fan during operation.
  • the material is collected at the discharge port of the guided flared pipe.
  • the multi-stage cyclone eddy current grinding device has a pulverizing device including a mill, a grinding disc and a grinding chamber, and the mill has three stages of a step change in diameter.
  • the grinding disc, the first grinding disc, the secondary grinding disc and the third grinding disc constitute the three-stage grinding disc, and the three-stage grinding disc has a total of 36 rotor blades uniformly distributed, and the difference of the number of rotor blades between the adjacent two-stage rotating discs is four.
  • the three-stage rotor structure of the multi-stage cyclone eddy current grinding device constitutes a step-grinding cavity structure, so that the multi-stage cyclone eddy current grinding device forms three broken, sequentially broken three-breaking devices.
  • the structure of the pulverized material is combined with the multi-stage impact, striking and mashing of the first crushing zone, the second crushing zone and the third crushing zone to improve the crushing efficiency.
  • the three discs of the three-stage rotor structure of the multi-stage cyclone eddy current mill have a diameter gradient difference of 100 mm.
  • the diameters of the three grinding discs are 300-500 mm, 400-600 mm, and 500-700 mm, respectively.
  • the grinding wall and the rotor blade in the grinding chamber are all made of wear-resistant ceramic.
  • the grinding wall shape in the grinding chamber is an auricle-shaped tooth structure.
  • the multi-stage cyclone eddy current grinding device has a jet mill.
  • the flow pulverizer is a high-pressure intake nozzle which is arranged in opposite directions, and the purified and dried compressed air is ejected from the nozzle to form a supersonic flow, and the material is at a high-speed airflow focus.
  • the center collides and smashes, which is better shattered.
  • the multi-stage cyclone vortex grinder according to the present invention is useful for grinding the contents of a wheat aleurone layer.
  • the collision speed of the material is close to the level of the jet mill, and the larger impact energy exacerbates the breaking of the cell wall and the speed of mechanical activation, and the higher collision speed also increases the probability of plant cells colliding with each other. It is more conducive to the crushing of materials, so that the crushing efficiency of the equipment is significantly improved, and the process optimization of the processed products can be achieved, and the nutritional quality of the products can be optimally achieved.
  • FIG. 1 is a schematic overall view of a multi-stage cyclone vortex grinder according to the present invention.
  • FIG. 2 is a schematic view of a multi-stage cyclonic vortex grinding apparatus according to the present invention.
  • the object of the present invention is to provide a multi-stage cyclone vortex grinding machine which can ensure the best processing effect of the grinding process of the wheat aleurone layer content, and also has the advantages of reducing energy consumption, pulverizing particle size and ensuring the nutritional quality of the product. Excellent features.
  • a multi-stage cyclone eddy current grinder capable of realizing automatic control as shown in FIG. 1 has an automatic device for overall control through a touch screen display, through which the electromechanical integration control can be realized, and of course, as needed
  • the purpose of adjusting the grinding fineness is achieved by manually changing the turbine speed or adjusting the system air volume.
  • the multi-stage cyclone vortex grinder integrally includes a driving device, and the driving device is driven by an electric motor (2)
  • the utility model is composed of a frequency converter, etc., and the motor (2) is mounted on the machine base (1) to provide driving power for the grinding machine, and the rotation speed of the motor can be arbitrarily adjusted by the feeding frequency converter.
  • the feeding frequency converter has a control range of 10-50HZ, and adjusts the frequency of the feeding frequency converter according to the material state and the working state of the cyclone eddy current grinding machine, and controls the feeding speed of the auger through the feeding frequency converter, thereby controlling the feeding speed of entering the cyclone eddy current grinding machine. To ensure stable feed and optimum separation.
  • the multi-stage cyclone eddy current grinding machine as a whole further comprises a transmission device, the transmission device is composed of the motor (2) sequentially passing through the power output shaft, the coupling (3) and the spindle transmission component (4) ( Also known as a bearing housing) transmits drive power to a multi-stage cyclone eddy current mill.
  • the multi-stage cyclone eddy current grinding machine as a whole further comprises a multi-stage cyclone eddy current grinding device, wherein the multi-stage cyclone eddy current grinding device comprises a first-stage rotor (9), a second-stage rotor (10), and a third-stage rotor (11) It is composed of a grinding chamber.
  • the first-stage rotor (9), the second-stage rotor (10), and the third-stage rotor (11) respectively have three grinding discs with a diameter and a step design, and the third-stage rotor has a spacing of 1-3 mm, preferably 2 mm.
  • the diameter difference of the three grinding discs is 100 mm, preferably ranging from small to large, respectively, in the range of 300-500 mm, 400-600 mm and 500-700 mm. More preferably, the three disc diameters are 450 mm, 550 mm, and 650 mm, respectively.
  • the core portion of the multi-stage cyclone vortex milling device is a pulverizing device, which mainly includes a mill, a grinding disc and a grinding chamber.
  • the mill has a three-stage grinding disc with a stepped design in common with the first-stage rotor (9), the second-stage rotor (10) and the third-stage rotor (11), and 36 rotor blades uniformly distributed on the circumference of the third-stage grinding disc, one stage
  • the number of rotor blades of the three grinding discs consisting of a grinding disc, a secondary grinding disc and a three-stage grinding disc is 4 pieces.
  • the primary grinding disc has 16 rotor blades
  • the secondary grinding disc has 12 rotor blades
  • the tertiary grinding disc has 8 rotor blades.
  • each disc can be added or reduced according to actual needs, and the rotor blades can be made of wear-resistant ceramic.
  • Each of the rotor blades is a high-speed impact type rotor blade, and the material obtains a large dynamic acceleration in a strong centrifugal field, and is peeled and crushed under the combined action of various crushing mechanisms such as impact force, collision force, shear force and friction force. .
  • the grinding wall is increased in the cavity.
  • the function of the grinding wall is that after the material particles are accelerated by the impact pulverization of the rotor blades, the material is again pulverized under the collision with the grinding wall. Aiming at the significant influence of the wall structure on the pulverization effect, the grinding wall is made into a special tooth shape of the auricle shape.
  • the first-stage rotor (9), the second-stage rotor (10), and the third-stage rotor (11) correspond to a primary grinding disc, a secondary grinding disc, a third-stage grinding disc, and various stages of rotors (grinding discs).
  • the composition of the three-disc rotating rotating disc structure with the spacing and the axial direction makes the collision speed of the material after the reverse rotation of the three plates up to 3000 rpm, and the collision speed is close to the level of the airflow grinding, and the impact is large. Energy increases the speed of cell wall fragmentation and mechanical activation. The higher collision speed also increases the probability of plant cells colliding with each other, which is more conducive to material fragmentation. This makes the crushing performance of the equipment significantly improved.
  • the three-stage rotor structure of the multi-stage cyclone eddy current grinding device constitutes a special step-grinding cavity structure, so that the multi-stage cyclone eddy current grinding device forms a separate, sequentially broken three crushing zone structure.
  • the unique step grinding chamber enables the material to accelerate faster in the cavity, thereby generating huge crushing energy in the phase collision and forming the first crushing zone of the equipment; the high-speed impact of the dense hammerhead inside the step cavity forms the equipment
  • the second crushing zone and the third crushing zone cause the powder to be broken and further refined.
  • the material is combined with the multi-stage impact, striking and mashing of the first crushing zone, the second crushing zone and the third crushing zone to improve the crushing efficiency.
  • the multi-stage cyclone vortex flow device has a reasonable crushing sequence in the first crushing zone, the second crushing zone and the third crushing zone, and the large particle materials collide with each other in the first crushing zone of the turntable, and the collision speed can be More than 100m/s.
  • the pulverized material enters the second crushing zone and the third crushing zone from the first crushing zone of the turntable under the driving of the negative pressure airflow, and then impacts the refined material.
  • the material in the second crushing zone and the third crushing zone is struck sharply by the layered impact element, and the cells of the plant are further broken. This breaking sequence is more conducive to prolonging the service life of the impact element and the wear part.
  • the power consumption per unit of the machine can be more than 50% energy-saving compared with airflow grinding and crossflow grinding.
  • the stator (7) of the multi-stage cyclone vortex milling device further has a jet mill
  • the crushing chamber of the jet mill generally has a special high-pressure inlet nozzle arranged to face each other, which is purified and dried.
  • the compressed air is ejected from the nozzle to form a supersonic flow, and the material collides at the center of the high-speed airflow and is pulverized in an instant.
  • the pulverized particles rise to the classification chamber with the gas flow, and the qualified particles enter the cyclone with the gas flow, and finally the desired product is obtained, and the exhaust gas is discharged into the dust remover.
  • a turbo grading system installed in the grading chamber can obtain powders of several micrometers or even finer.
  • the centrifugal force field i.e., centrifugal inertial force and airflow resistance generated by the rotation of the turbine.
  • the centrifugal force is greater than the resistance, and the large particles fly toward the wall of the classifying chamber along the tangential direction of the turbine, and then return to the crushing chamber to be pulverized again.
  • the centrifugal force is less than the resistance at this time, and the small particles enter the inside of the turbine with the rising gas flow, and are collected as qualified products by the cyclone separator.
  • the device described in the present application combines the principles of a turbopulverizer and a jet mill, and at the same time overcomes the shortcomings of the jet mill (complete crushing), so that the device can be changed from vertical to horizontal, that is, according to the material.
  • the characteristics of each component, after partial pulverization, the mixture is transported by the high pressure induced draft fan to the next separation step.
  • the high pressure induced draft fan not only plays the role of transportation, but also the air volume and wind pressure on the components of the final product and The proportion of the entire material plays an important role effect.
  • a large number of experimental data prove that the wind volume, wind pressure and equipment speed determine the product quality, and the device in this application can coordinate well with the three.
  • the driving device of the multi-stage cyclone vortex grinder is fixedly connected to the upper part of the base (1) by bolts, and the multi-stage cyclone eddy current grinding device is fixedly connected to the base (1) through the grinding base, and is connected
  • the shaft is connected to the driving device to ensure the balance and stability of the whole machine during operation.
  • a feed port (6) for the material to enter and a discharge port (12) for the material to be discharged.
  • the plant cell wall can be continuously peeled off and sheared and pulverized to effectively separate the primary cell wall and the secondary cell wall of the plant, and the pulverized and separated material passes through the discharge port (12).
  • the cover (8) integral with the discharge port allows the grinding chamber to form a certain volume of space to facilitate the formation of airflow during operation, while also protecting the multi-stage cyclone eddy current mill
  • the device prevents the entry of impurities such as dust.
  • the discharge port (12) is a belt-oriented horn-shaped pipe, which is narrow in front and narrow in the front to facilitate acceleration of the airflow.
  • the grinding wall in the grinding chamber is made of wear-resistant ceramic, has good wear resistance, corrosion resistance, low heat generation, and no metal scrap is generated during the grinding process to ensure the food safety of the material.
  • the cyclone eddy current is controlled at 27A-29A, and the rotation speed is controlled at 2800 rpm. This ensures the best separation effect. Under the cooperation of the grinding body cooling device, it can dissipate the heat of the mill to ensure continuous Work while preventing the fiber from curling and gelatinizing.
  • the cyclone eddy current grinding device is used together with its supporting stirring device and conveying system to process the contents of the wheat aleurone layer, and the process optimization of the processed product can be achieved while ensuring automatic control, and the nutritional quality of the product is ensured. Optimal.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cyclones (AREA)

Abstract

L'invention concerne une meuleuse à tourbillon cyclonique multi-étage, comprenant un dispositif d'entraînement, un dispositif de transmission, un dispositif de meulage à tourbillon cyclonique multi-étage et un dispositif de déchargement de matériau. Le dispositif de meulage à tourbillon cyclonique multi-étage est constitué d'un rotor de premier étage (9), d'un rotor de deuxième étage (10), d'un rotor de troisième étage (11) et d'une cavité de meulage. Les trois étages des rotors comportent respectivement trois meules dont les diamètres varient dans un mode étagé, et toutes les meules des trois étages de rotors forment une structure de plateau tournant dans laquelle les trois meules sont coaxiales par rapport à des intervalles et tournent à l'envers, de sorte qu'un matériau peut être mieux décollé et écrasé après avoir été accéléré par la rotation inverse des trois meules.
PCT/CN2015/075969 2014-09-15 2015-04-07 Meuleuse à tourbillon cyclonique multi-étage Ceased WO2016041336A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410467869.7A CN104258958A (zh) 2014-09-15 2014-09-15 一种多级旋风涡流研磨机
CN201410467869.7 2014-09-15

Publications (1)

Publication Number Publication Date
WO2016041336A1 true WO2016041336A1 (fr) 2016-03-24

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PCT/CN2015/075969 Ceased WO2016041336A1 (fr) 2014-09-15 2015-04-07 Meuleuse à tourbillon cyclonique multi-étage

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WO (1) WO2016041336A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090688A (zh) * 2019-06-19 2019-08-06 唐山市新宝实业有限公司 一种高速磨矿机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113000173B (zh) * 2021-03-29 2022-08-05 南京工程学院 超硬纳米粉碎卧式液力双向对冲高速湍流磨

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2306831Y (zh) * 1997-02-27 1999-02-10 吴俊� 涡流微粉磨机
JP2000334322A (ja) * 1999-05-28 2000-12-05 Kawaju Techno Service Corp 多段式大容量石臼
CN103752391A (zh) * 2013-07-04 2014-04-30 嘉兴禾微粉碎设备有限公司 一种新型风力涡流剪切磨

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2136069Y (zh) * 1992-09-03 1993-06-16 浑江市金刚砂厂 磨料修整机
CN2306931Y (zh) * 1997-08-22 1999-02-10 陈锡瑜 非机动车铃
US7708216B2 (en) * 2004-03-23 2010-05-04 Fumao Yang High turbulence mill and bi-negative pressure turbine thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2306831Y (zh) * 1997-02-27 1999-02-10 吴俊� 涡流微粉磨机
JP2000334322A (ja) * 1999-05-28 2000-12-05 Kawaju Techno Service Corp 多段式大容量石臼
CN103752391A (zh) * 2013-07-04 2014-04-30 嘉兴禾微粉碎设备有限公司 一种新型风力涡流剪切磨

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090688A (zh) * 2019-06-19 2019-08-06 唐山市新宝实业有限公司 一种高速磨矿机
CN110090688B (zh) * 2019-06-19 2024-01-26 遵化市新宝实业有限公司 一种高速磨矿机

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