CN101879470A - Single-drive roll type pulverizing mill - Google Patents

Single-drive roll type pulverizing mill Download PDF

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Publication number
CN101879470A
CN101879470A CN 201010213675 CN201010213675A CN101879470A CN 101879470 A CN101879470 A CN 101879470A CN 201010213675 CN201010213675 CN 201010213675 CN 201010213675 A CN201010213675 A CN 201010213675A CN 101879470 A CN101879470 A CN 101879470A
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China
Prior art keywords
grinding
pulverizing
axle
outer rings
frame
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CN 201010213675
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Chinese (zh)
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CN101879470B (en
Inventor
杨世宏
李德祥
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Nanjing C Hope Cement Engineering Group Co Ltd
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Nanjing C Hope Cement Engineering Group Co Ltd
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Priority to CN2010102136756A priority Critical patent/CN101879470B/en
Publication of CN101879470A publication Critical patent/CN101879470A/en
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Publication of CN101879470B publication Critical patent/CN101879470B/en
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Abstract

The invention provides a single-drive roll type pulverizing mill, which has better crushing and milling effect and simultaneously has lower requirements on material pulverizing energy. The single-drive roll pulverizing mill comprises a pulverizing shaft rotating under the drive of a power system and two pulverizing outer rings arranged on a stand; the pulverizing shaft extends between the two pulverizing outer rings, and a pulverizing cavity is formed between the outer peripheral surface of the pulverizing shaft and the inner surfaces of the two pulverizing outer rings opposite to the pulverizing shaft; and the distance between the inner surfaces of the pulverizing outer rings and the axis of the pulverizing shaft changes from large to small and then from small to large along the circumference direction of the pulverizing shaft.

Description

Single-drive roll type pulverizing mill
Technical field
The present invention relates to a kind of flour mill, be mainly used in the material grinding of cement industry in order to the granular material of pressure processing.
Technical background
In contemporary society, rapid economic development impels the production scale of materials such as cement building material to enlarge day by day.In the process of these materials, broken, grinding operation is a requisite stage, and the energy that it consumed has occupied the over half of energy consumption, and these energy have slatterned by sounding, heating, vibration and friction etc.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can produce crushing and grinding effect preferably, the simultaneously required lower single-drive roll type pulverizing mill of material grinding energy consumption.
This single-drive roll type pulverizing mill is included in dynamical system and drives the following grinding axle that rotates, is arranged on two grinding outer rings on the frame; The grinding axle extend between two grinding outer rings, has formed the grinding chamber respectively between the inner surface of the outer peripheral face of grinding axle and two grinding outer rings relative with it; Along the grinding axle circumferentially, the grinding inner surface changes from small to big to the distance of grinding axis from large to small again.
Beneficial effect of the present invention: the grinding chamber comprises a feed cavity and a discharge chamber.Along the grinding axle circumferentially, constitute feed cavity the grinding outer ring inner surface to the distance of grinding axis from large to small, the inner surface of the grinding outer ring in formation discharge chamber changes from small to big to the distance of grinding axis.During comminuting matter, the material in the feed cavity is along with the rotation of grinding axle, and material is pressed against in feed cavity between distance more and more littler the grinding axle and grinding outer ring gradually, is entered in the discharge chamber by feed cavity then.This kind architectural feature makes closely knit that material can nature in grinding process, discharges contained gas in the material, and the vibration of grinding machine and noise are controlled effectively.Material rotates under the drive of grinding axle after entering feed cavity, because the cross section of feed cavity from large to small, therefore material will be subjected to the squeezing action of the moving grinding axle in grinding outer ring, and the not rotation in a circumferential direction of grinding outer ring, so material also can be subjected to the effect of a tangential shearing force.Because the fragmentation of material has been quickened in the existence of this tangential force, so grinding machine is when work, and mill efficiency will effectively be improved.The present invention is based on " bed of material pulverizing ", a kind of new milling equipment is provided, make it can be obviously aspect the energy requirement amount of unit surpass so far the limit, the shearing force effect that is subjected to by the material in the further raising grinding process, make the easier generation cleavage in lattice interface of material, thereby produce crushing and grinding effect preferably, effectively reduce the grinding energy consumption of material.
Above-mentioned flour mill, two grinding chambeies become axial symmetry with the grinding axis.Like this, what the grinding axle was received in radial direction is zero with joint efforts substantially, and the transmission support component of grinding axle only is subjected to less radial load.
Above-mentioned flour mill, two grinding outer rings are arranged on the frame along radially sliding of grinding axle; On frame, be provided for driving the grinding outer ring along the mobile device that moves radially (as oil cylinder) along the grinding axle.By the radial position of two grinding outer rings of mobile device change,, can adapt to the material of different sizes to change the size in grinding chamber.
Above-mentioned flour mill, it also comprises using and the upper cover plate that covers top, two grinding chambeies of the upper end that is arranged on grinding axle and two grinding outer rings; On upper cover plate, have the charging aperture that communicates with two grinding chambeies respectively; Two charging apertures become axial symmetry with the grinding axis.
Description of drawings
Fig. 1 is a stereogram of the present invention
Fig. 2 is a front view of the present invention
Fig. 3 is the vertical view of Fig. 2
Fig. 4 is the A-A cutaway view of Fig. 2
Among the figure, transmission grinding axle 1, grinding outer ring 2, grinding outer ring 3, frame 4, control system 5, hydraulic system 6, charging aperture 7, transmission and bracing or strutting arrangement 8, feed cavity 9, discharge chamber 10, upper cover plate 11.
The specific embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Form by transmission grinding axle 1, grinding outer ring 2,3, frame 4, control system 5, hydraulic system 6, charging aperture 7, transmission and bracing or strutting arrangement 8, feed cavity 9, discharge chamber 10 etc. referring to the single-drive roll type pulverizing mill shown in Fig. 1-4.
Two grinding outer rings 2,3 are installed in above the slide rail of frame 4, and transmission grinding axle 1 is installed between two grinding outer rings 2,3, and the hydraulic cylinder of hydraulic system 6 is installed in the both sides of frame, and the piston rod of hydraulic cylinder links to each other with the end face of grinding outer ring 2,3.The distance measuring sensor of control system 5 is installed on the frame 4, be used for measuring the horizontal displacement of grinding outer ring, by the result who measures hydraulic system is adjusted, kept the transmission grinding axle 1 of grinding machine and the relative position of grinding outer ring 2,3, avoid transmission grinding axle 1 too to tilt.
The cross section of transmission grinding axle 1 is circular, and 2,3 surfaces, two grinding outer rings then are the arcs that certain curvature is arranged.Referring to Fig. 4, along clockwise direction, constitute feed cavity 9 the grinding outer ring inner surface to the distance of grinding axis from large to small, the inner surface of the grinding outer ring in formation discharge chamber 10 changes from small to big to the distance of grinding axis.Therefore the cross section of feed cavity is exactly the little shape of a kind of outside big the inside of size size.This kind architectural feature makes closely knit that material can nature in grinding process, discharges contained gas in the material, and the vibration of grinding machine and noise are controlled effectively.Two feed cavity 9, two discharge chambeies 10 all become axial symmetry with the grinding axis.
Upper cover plate 11 is arranged on the upper end of grinding axle and two grinding outer rings, uses and covers top, two grinding chambeies; On upper cover plate, have the charging aperture that communicates with two feed cavity respectively; Two charging apertures become axial symmetry with the grinding axis.
The transmission of this equipment is moving for patrilineal line of descent with only one son in each generation, only needs a driving motor, reductor.
The grinding outer ring is installed on the slide rail of frame, prevents that the grinding outer ring is with respect to the hydraulic cylinder deflection.
Two grinding outer ring relative transmission grinding axial symmetry arrange that grinding pressure only is present between hydraulic cylinder-grinding outer ring-transmission grinding axle-grinding outer ring-hydraulic cylinder-frame, and the support component of transmission grinding axle only is subjected to very little radial load.
Control system is equipped with position and pressure monitor system.According to the monitoring result of control system, two hydraulic cylinders are carried out the real-time pressure increase and decrease, guarantee that the distance of two grinding outer rings and transmission grinding axle is equal substantially, make the support component of transmission grinding axle only be subjected to less radial load.
The effect of frame is support, fixed conveyor grinding axle, two parts such as grinding outer ring, control system and hydraulic system accumulator, transmits the power that two hydraulic cylinders and power transmission shaft produce.
Hydraulic system mainly is made up of parts such as compressed oil station, pressurization oil cylinder and accumulators, is used to equipment that grinding pressure is provided.
Flour mill is when work, transmission grinding axle 1 rotates under the effect of transmission and bracing or strutting arrangement 8, material rotates under the drive of transmission grinding axle 1 after entering feed cavity, because the cross section of feed cavity from large to small, therefore material will be subjected to the squeezing action of grinding outer ring 2,3 and transmission grinding axle 1, and grinding outer ring 2,3 not rotation in a circumferential direction, so material also can be subjected to the effect of a tangential shearing force.Because the existence of this tangential force, grinding machine is when work, and mill efficiency will effectively be improved.

Claims (5)

1. single-drive roll type pulverizing mill is included in dynamical system and drives the following grinding axle that rotates, is arranged on two grinding outer rings on the frame; It is characterized in that: the grinding axle extend between two grinding outer rings, has formed the grinding chamber respectively between the inner surface of the outer peripheral face of grinding axle and two grinding outer rings relative with it; Along the grinding axle circumferentially, the grinding inner surface changes from small to big to the distance of grinding axis from large to small again.
2. flour mill as claimed in claim 1 is characterized in that: two grinding chambeies become axial symmetry with the grinding axis.
3. flour mill as claimed in claim 2 is characterized in that: two grinding outer rings are arranged on the frame along radially sliding of grinding axle; On frame, be provided for driving the grinding outer ring along the mobile device that moves radially along the grinding axle.
4. flour mill as claimed in claim 3 is characterized in that: mobile device is an oil cylinder.
5. as the described arbitrary flour mill of claim 1-4, it is characterized in that: further comprising using and the upper cover plate that covers top, two grinding chambeies of the upper end that is arranged on grinding axle and two grinding outer rings; On upper cover plate, have the charging aperture that communicates with two grinding chambeies respectively; Two charging apertures become axial symmetry with the grinding axis.
CN2010102136756A 2010-06-30 2010-06-30 Single-drive roll type pulverizing mill Active CN101879470B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102136756A CN101879470B (en) 2010-06-30 2010-06-30 Single-drive roll type pulverizing mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102136756A CN101879470B (en) 2010-06-30 2010-06-30 Single-drive roll type pulverizing mill

Publications (2)

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CN101879470A true CN101879470A (en) 2010-11-10
CN101879470B CN101879470B (en) 2012-05-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105689052A (en) * 2016-01-28 2016-06-22 刘罡 Brick tea and bread tea crusher
CN107597339A (en) * 2017-09-14 2018-01-19 江苏航天惠利特环保科技有限公司 A kind of solid waste reducing mechanism of adjustable pulverized size
CN112425632A (en) * 2020-12-11 2021-03-02 蚌埠学院 Pork processing is with rolling device of rubbing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000317329A (en) * 1999-05-07 2000-11-21 Ricoh Co Ltd Pulverizer and manufacture of toner using that
CN1899790A (en) * 2006-07-21 2007-01-24 鲍国平 Rubber block rubbing machine
CN201244497Y (en) * 2008-05-19 2009-05-27 陆锁根 Ceramic high-efficient pollution-free laminating cracking machine
CN201728131U (en) * 2010-06-30 2011-02-02 南京西普水泥工程集团有限公司 Single-drive roller type pulverizer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000317329A (en) * 1999-05-07 2000-11-21 Ricoh Co Ltd Pulverizer and manufacture of toner using that
CN1899790A (en) * 2006-07-21 2007-01-24 鲍国平 Rubber block rubbing machine
CN201244497Y (en) * 2008-05-19 2009-05-27 陆锁根 Ceramic high-efficient pollution-free laminating cracking machine
CN201728131U (en) * 2010-06-30 2011-02-02 南京西普水泥工程集团有限公司 Single-drive roller type pulverizer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105689052A (en) * 2016-01-28 2016-06-22 刘罡 Brick tea and bread tea crusher
CN107597339A (en) * 2017-09-14 2018-01-19 江苏航天惠利特环保科技有限公司 A kind of solid waste reducing mechanism of adjustable pulverized size
CN112425632A (en) * 2020-12-11 2021-03-02 蚌埠学院 Pork processing is with rolling device of rubbing

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