CN105327742A - Electromagnetic vibrating, screening and returning device of ceramic raw material roller mill - Google Patents
Electromagnetic vibrating, screening and returning device of ceramic raw material roller mill Download PDFInfo
- Publication number
- CN105327742A CN105327742A CN201510897571.4A CN201510897571A CN105327742A CN 105327742 A CN105327742 A CN 105327742A CN 201510897571 A CN201510897571 A CN 201510897571A CN 105327742 A CN105327742 A CN 105327742A
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- CN
- China
- Prior art keywords
- hopper
- roller mill
- raw material
- ceramic raw
- feeding back
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C2015/002—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs combined with a classifier
Abstract
The invention discloses an electromagnetic vibrating, screening and returning device of a ceramic raw material roller mill. The device is characterized by comprising a material trough which is formed in the outer edge of a milling plate of the roller mill, a base, and a vibration generating device which is connected between the material trough and the base, wherein an inclined separating plate which is spirally upwards mounted is arranged in the material trough; the material trough is divided into an upper layer and a lower layer through the inclined separating plate; a plurality of holes for mounting a screening net and/ or a plurality of holes for material falling are formed in the inclined separating plate; a discharging port is formed in a chamber at the lower layer; screened raw material particles fall down on a bottom plate of the chamber at the lower layer of the material trough; one or more discharging chutes which are led to a roller milling track are arranged at the upper layer of the material trough; at least one material falling port is formed in each discharging chute. The device works through electromagnetism instead of a rotating part, so that the lubrication can be avoided, the feeding quantity can be conveniently adjusted, and the automatic control can be easily achieved.
Description
Technical field
The present invention relates to ceramic machinery technical field, relating to a kind of screening feeding back device of the roller mill equipment for processing process ceramic raw material more specifically.
Background technology
In the production process of ceramic product, the preparation of raw material is a very important link, traditional technical process is: as shown in Figure 1, thick and stiff sand material is processed into jaw crusher the coarse fodder that particle diameter is less than 15mm, send into ball mill through feeding machine to grind, Ball-milling Time reaches 12-16 hour, and the material consumptions such as efficiency is low, power consumption is large, ballstone, ball lining are large.Roller mill is comparatively wide in sector applications such as cement, coal, mining in recent years, and because it has, to grind efficiency high, energy-saving and cost-reducing and be applied at ceramic industry.New technique is: as shown in Figure 2, thick and stiff sand material particle diameter being less than 60mm sends into roller mill, obtain particle diameter through screening after grinding and be less than 2mm, even-grained coarse fodder, then send into ball mill to grind, can save Ball-milling Time 40 ~ 55%, the material consumptions such as ballstone, ball lining save about 42%, significantly reduce production cost, improve production efficiency.
Structure and the operation principle of roller mill are: as shown in Fig. 3 (a), driver part 1 is made up of mair motor and deceleration transmission parts, it drives mill 2 to rotate, pottery coarse raw materials (thick and stiff sand material, particle diameter is less than 60mm) enter mill 2 middle position from feed pipe 3, the rotation of mill 2 is to the outside centrifugal force of coarse raw materials one, thus slowly move to mill outer rim and progress into roller mill track 4, the bed of material on mill 2 makes running roller 5 obtain frictional force and rotation, and coarse raw materials enters between running roller 5 and mill 2 continuously by roll-in.Hydraulic means applies pulling force by drawing cylinder 6 pairs of grinding roller parts 7, roller is made to obtain the normal pressure pressing to coarse raw materials, the bed of material is not only subject to the normal pressure that running roller gives, but also the shearing force being subject to relative motion between running roller, mill and producing and broken by roller further.
The feed particles after by roll-in that makes centrifugal action continues to move to mill 2 edge, and there is higher line speed and fly out, fall into annular hopper 8, as shown in Fig. 3 (b), revolution scraper plate 9 connect with mill 2 and together with rotate, feed particles 10 in annular hopper 8 is scraped discharging opening, by 10 object screen clothes after being sieved by conveyer belt feeding screening system, meet the requirements of thin feed particles (particle diameter≤2mm) and send into ball mill continuation grinding by belt conveyor, intransitable coarse fodder particle, then again send roller mill back to by belt conveyor to continue to be grated.Improve although roller mill adds ball-milling technology efficiency, loss reduces, and need to sieve outward at roller mill, make production line length like this, equipment investment is large, and the power consumption of screening system and loss are all larger.
Summary of the invention
Object of the present invention is exactly simple in order to solve a kind of structure that the deficiency of prior art provides, technical process can be shortened, enhance productivity, reduce equipment investment, and save the power consumption of screening process and the ceramic raw material roller mill electric and magnetic oscillation screening feeding back device of material consumption.
The present invention adopts following technical solution to realize above-mentioned purpose: a kind of ceramic raw material roller mill electric and magnetic oscillation screening feeding back device, it is characterized in that, it comprises the hopper, base and the vibration generating arrangement that is connected between hopper and base that are arranged on roller mill mill outer rim, be provided with the oblique material baffle on screw in hopper, hopper is divided into upper and lower two-layer by oblique material baffle.Oblique material baffle there are several positions, hole of installing screen cloth and/or the hole that feed particles is fallen, feed particles through screen cloth is fallen on the base plate of lower floor's cavity of hopper, discharging opening to base plate under electric and magnetic oscillation effect moves, finally flow out from discharge nozzle, send into ball mill through conveyer belt and continue grinding; Not by the feed particles of screen cloth, under electric and magnetic oscillation effect, move to discharging skewed slot along oblique material baffle and screen surface, roller mill track is guided in the outlet of discharging skewed slot into, is blown into mill and continues to be grated under compressed-air actuated effect.
Further illustrating as such scheme, described hopper comprises base plate and is divided into interior plate and the outer panel in outside in base plate, and interior plate and mill outer rim are at a distance of 5-10mm; The outer panel of hopper and roller mill cover plate, at a distance of 5-10mm, have rubber seal between roller mill cover plate and outer panel, prevent particle from spilling from gap.
Described hopper is the annular groove of integral type, or the annular groove that is made up of multistage hopper assembly complete, and oblique material baffle is that arc-shaped is spiralling, and oblique material baffle, together with inside and outside plate-side plate welding, is 6 °-10 ° with the inclination angle of horizontal plane.
Preferably, described every section of hopper modular construction is 1/8 toroidal, along mill outer circumference to being evenly distributed with eight sections of hopper assemblies, the head and tail of two sections of adjacent hopper assemblies is connected and has coincidence part, formed one 360 degree complete ring-like, can ensure that feed particles all drops on the hopper of this device like this.
The coincidence distance of the head and tail of described two sections of adjacent hopper assemblies is 10-20mm.
Preferably, the sieve material strip of described oblique material baffle is provided with square hole, is covered with 5-15 object screen cloth above oblique material baffle, is fallen on the base plate of hopper lower floor cavity like this by the feed particles of screen cloth from the square hole oblique material baffle.
Be provided with the middle material baffle of more than a piece or a piece in described hopper, hopper is divided into some sections by the middle material baffle of more than a piece or a piece, and object is the Distance Shortened making particle move to discharging opening on oblique material baffle; Each section all has a discharging skewed slot at least, and one end of discharging skewed slot is provided with inflatable mouth, and inflatable mouth is connected with tracheae or valve, and the compressed air of interval blowout is blown into mill to be continued to be grated.
Described vibration generating arrangement comprises upper and lower gripper shoe, be connected to elastic system, exciting device between upper and lower gripper shoe, and hopper is fixed on upper backup pad.
Described elastic system comprises that to be happened frequently by the flat spring of two panels be many groups leaf spring group of a group and the holder that is connected between flat spring and upper and lower gripper shoe, the mounted angle of flat spring is 20-25 degree, and holder screw is arranged on upper backup pad, lower supporting plate.
Described exciting device comprises iron-core coil, armature and wedge, armature is fixed on upper backup pad, and iron-core coil is arranged on lower supporting plate by wedge, and wedge is provided with adjustment screw, for adjusting the extension elongation of wedge, thus regulate the gap between armature and iron core.
Described armature is formed by the dress that changes in the silicon steel sheet of in-line of 0.23-0.50 millimeter; Iron core 0.23-0.50 millimeter is that the silicon steel sheet of the chevron dress that changes forms.
There is multiple rubber shock absorber strut the bottom surface of described lower supporting plate, plays the vibration isolation effect of pair roller mill frame.
The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:
1, the present invention adopts the form of setting up hopper and electric and magnetic oscillation screening plant in the mill outer rim of roller mill, feed particles after roller mill is directly in roller mill, complete screening and coarse fodder be back to mill, save screening plant and belt conveyor, shorten technical process, decrease equipment, improve production efficiency, decrease power consumption and the material consumption of screening process.
2, the bed of material of the present invention screening and mobile time, the motion of particle parabolically track bounds forward, to screen cloth and hopper wearing and tearing little; And whole feeding process is all rely on electromagnetic force work, no-rotary part, does not need lubrication, conveniently regulates feeding coal, easily be automated control.
Accompanying drawing explanation
Fig. 1 is the production technological process that known disintegrating machine adds ball mill;
Fig. 2 is the production technological process that known roller mill adds ball mill;
Fig. 3 (a) is known roller mill tomograph;
Fig. 3 (b) is roller mill schematic diagram;
Fig. 4 is the installation diagram of electric and magnetic oscillation of the present invention screening feeding back device on roller mill;
Fig. 5 is that electric and magnetic oscillation of the present invention screening feeding back device is assembled into overall schematic diagram;
Fig. 6 is the top view of Fig. 7;
Fig. 7 is the main sectional view of electric and magnetic oscillation of the present invention screening feeding back device;
Fig. 8 is that the B-B of Fig. 7 is to sectional view;
Fig. 9 is that the C-C of Fig. 7 is to sectional view;
Figure 10 is electric and magnetic oscillation schematic diagram of the present invention.
Description of reference numerals: 1, driver part 2, mill 3, feed pipe 4, roller mill track 5, running roller 6, drawing cylinder 7, grinding roller parts 8, annular hopper 9, revolution scraper plate 10, feed particles 11, hopper 11-1, the upper strata 11-2 of hopper, lower floor cavity 11-3, base plate 11-4, interior plate 11-5, outer panel 11-6, tiltedly material baffle 11-7, screen cloth
11-8, discharging skewed slot 11-9, tracheae or valve 11-10, middle material baffle 12, base 13, vibration generating arrangement 13-1, upper backup pad 13-2, lower supporting plate 13-3, elastic system 13-31, leaf spring group 13-32, holder 13-33, screw 13-4, exciting device 13-41, iron-core coil 13-42, armature 13-43, wedge 13-44, adjustment screw 13-5, rubber shock absorber strut 14, roller mill cover plate 15, rubber seal.
Detailed description of the invention
Understand essence of the present invention better for convenience of those skilled in the art, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Embodiment 1
As shown in Fig. 4-Figure 10, the present invention is a kind of ceramic raw material roller mill electric and magnetic oscillation screening feeding back device, it comprises the hopper 11 be arranged on outside roller mill mill 2, base 12 and the vibration generating arrangement 13 be connected between hopper and base, the oblique material baffle 11-6 tilted upward is provided with in hopper 11, hopper is divided into by oblique material baffle 11-6, lower floor 11-1, 11-2, oblique material baffle 11-6 is provided with the position, hole that several install screen cloth, in the present embodiment, oblique material baffle 11-6 there are several square holes that feed particles is fallen, and 10 object screen cloth 11-7 are installed on oblique material baffle 11-6, feed particles through screen cloth 11-7 is fallen on the base plate of lower floor cavity 11-2 of hopper, discharging opening to base plate under electric and magnetic oscillation effect moves, finally flow out from discharge nozzle, send into ball mill through conveyer belt and continue grinding, not by the feed particles of screen cloth, under electric and magnetic oscillation effect, move to discharging skewed slot 11-8 along oblique material baffle 11-6 and screen surface, roller mill track is guided in the outlet of discharging skewed slot into, is blown into mill and continues to be grated under compressed-air actuated effect.
Hopper 11 comprises base plate 11-3 and is divided into interior plate 11-4 and the outer panel 11-5 in outside in base plate, and the plate hight of outer panel is greater than interior plate, and interior plate 11-4 and mill 2 outer rim are at a distance of 5-10mm; The outer panel 11-5 of hopper 11 and roller mill cover plate 14, at a distance of 5-10mm, have rubber seal 15, prevent particle from spilling from gap between roller mill cover plate and outer panel.Wherein, hopper 11 is the annular groove be made up of multistage hopper assembly, every section of hopper modular construction is 1/8 toroidal, along mill outer circumference to being evenly distributed with eight sections of hopper assemblies, the head and tail of two sections of adjacent hopper assemblies is connected and has the coincidence part of 15mm, can ensure that feed particles all drops on the hopper 11 of this device like this.Oblique material baffle 11-6 is that arc-shaped is spiralling, and oblique material baffle 11-6 and inside and outside side plate 11-4,11-5 weld together, and are 6 °-10 ° with the inclination angle of horizontal plane.
As shown in Figure 7, be provided with material baffle 11-10 in a piece in hopper 11, hopper is divided into two sections by middle material baffle 11-10, and object is the Distance Shortened making particle move to discharging opening on oblique material baffle; Each section all has a discharging skewed slot 11-8 at least, and one end of discharging skewed slot is provided with inflatable mouth, and inflatable mouth is connected with tracheae or valve 11-9, and feed particles is blown into mill by the compressed air of interval blowout fast to be continued to be grated, and sees Fig. 9.
As shown in Figure 10, vibration generating arrangement 13 comprises upper and lower gripper shoe 13-1,13-2, be connected to elastic system 13-3, exciting device 13-4 between upper and lower gripper shoe, and hopper 11 is fixed on upper backup pad 13-1.Elastic system 13-3 comprises that to be happened frequently by the flat spring of two panels or more be 6 groups of leaf spring group 13-31 of a group and the holder 13-32 that is connected between flat spring and upper and lower gripper shoe, flat spring 60Si2Mn or 60Si2A material are made, the mounted angle of flat spring is 20-25 degree, and holder 13-32 screw 13-33 is arranged on upper backup pad 13-1, lower supporting plate 13-2.Exciting device 13-4 comprises iron-core coil 13-41, armature 13-42 and wedge 13-43, armature 13-43 is fixed on upper backup pad 13-1, iron-core coil is arranged on lower supporting plate 13-2 by wedge, wedge is provided with adjustment screw 13-44, for adjusting the extension elongation of wedge, thus regulate the gap between armature and iron core.Armature is formed by the dress that changes in the silicon steel sheet of in-line of 0.23-0.50 millimeter; Iron core 0.23-0.50 millimeter is that the silicon steel sheet of the chevron dress that changes forms.There is the rubber shock absorber strut 13-5 of more than 6 or 6 bottom surface of lower supporting plate, plays the vibration isolation effect of pair roller mill frame.
It is below the operation principle of vibration generating arrangement, by the unidirectional pulsating current after halfwave rectifier in coil, in positive half cycle interior loop, there is electric current to pass through, iron core creates pulse electromagnetic gravitational attraction armature, and flat spring is out of shape by electromagnetic force, stores certain potential energy, in negative half period interior loop, no current passes through, electromagnetic force disappears, and flat spring recovers distortion, defines the forced vibration system that take electromagnetic force as PERIODIC INTERFERENCE power.
Armature is mounted on upper backup pad, therefore drives hopper to produce downward motion, position shown in double dot dash line in figure by electromagnetic attraction effect together.When electromagnetic force disappears, in the resilient force of the six groups of flat springs distributed along arc-shaped and the torsion parabolic ascending motion produced from left to right, get back to solid line position in figure, drop on the feed particles on oblique material baffle and screen cloth, particle diameter is less than the fines of 2mm by the macropore on screen cloth and oblique material baffle, fall on the base plate of hopper lower floor, be equivalent to the effect of a vibratory sieve, the fine grained that its clout stays coarse granule on screen cloth and lower floor all does spiral projectile motion from left to right under the comprehensive function of inertia force, gravity and frictional force.Lower floor's fines flow to discharging opening, and upper strata coarse fodder flow to discharging frid.
By changing the input current of electromagnet coil, the amplitude of hopper can be adjusted, and then adjust the feeding rate of this device.The extension elongation of adjustment wedge can change the gap between iron core and armature, and vibration isolation post plays the effect of roller-crushing mill frame separating vibration.
In the honed journey of ceramic raw material roller, by the feed particles after roll-in because centrifugal action moves to mill edge, and there is higher line speed fly out along mill radial direction, on the oblique material baffle falling into the hopper of apparatus of the present invention and screen cloth, under electric and magnetic oscillation effect, fine grained is fallen on the base plate of hopper by the square hole on screen cloth and oblique material baffle, and does projectile motion forward and move to discharging opening always, and flowing out through discharge nozzle becomes finished product; The coarse granule stayed on oblique material baffle and screen cloth also does projectile motion forward, moves on discharging frid always, is blown into mill continues to be grated by the compressed air of tracheae interval blowout.
Embodiment 2
The difference of the present embodiment and embodiment 1 is, hopper is the annular groove be made up of 8 sections of hopper assemblies, and every section of hopper modular construction is 1/8 toroidal, along mill outer circumference to being uniformly distributed.
It should be noted that described hopper can also be set to the annular groove of the formula of being welded as a whole.
The present invention compared with prior art, its topmost difference technical characteristic is: the feed particles after roller mill is directly in roller mill, complete screening and coarse fodder be back to mill, save screening plant and belt conveyor, shorten technical process, decrease equipment, improve production efficiency, decrease power consumption and the material consumption of screening process, there is significant progress.
Bed of material screening and mobile time, the motion of particle parabolically track bounds forward, to screen cloth and hopper wearing and tearing little; Electromagnetic force work no-rotary part, does not need lubrication, conveniently regulates feeding coal, easily be automated control, have unexpected technique effect.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a ceramic raw material roller mill electric and magnetic oscillation screening feeding back device, it is characterized in that, it comprises the hopper, base and the vibration generating arrangement that is connected between hopper and base that are arranged on roller mill mill outer rim, the oblique material baffle on screw is provided with in hopper, hopper is divided into upper and lower layer by oblique material baffle, oblique material baffle is provided with several position, hole of screen cloth is installed and/or is convenient to the hole of blanking, lower floor's cavity is provided with discharging opening, through screening feed particles from the base plate of lower floor's cavity falling hopper; The upper strata of hopper is provided with one or more than one discharging skewed slot of guiding roller mill track into, discharging skewed slot is provided with at least one blanking port.
2. ceramic raw material roller mill electric and magnetic oscillation screening feeding back device according to claim 1, is characterized in that, described hopper comprises base plate and is divided into interior plate and the outer panel in outside in base plate, and interior plate and mill outer rim are at a distance of 5-10mm; The outer panel of hopper and roller mill cover plate are at a distance of 5-10mm and have sealed rubber plate.
3. ceramic raw material roller mill electric and magnetic oscillation screening feeding back device according to claim 1, it is characterized in that, described hopper is the annular groove of integral type or the annular groove that is made up of multistage hopper assembly, oblique material baffle is that arc-shaped is spiralling, oblique material baffle, together with inside and outside plate-side plate welding, is 6 °-10 ° with the inclination angle of horizontal plane.
4. ceramic raw material roller mill electric and magnetic oscillation screening feeding back device according to claim 3, it is characterized in that, described every section of this materials device is 1/8 toroidal, along mill outer circumference to being uniformly distributed eight, two sections of adjacent head and tails are connected and have intersection, formed one 360 degree complete ring-like, can ensure that feed particles all drops on the hopper of this device.
5. ceramic raw material roller mill electric and magnetic oscillation screening feeding back device according to claim 4, is characterized in that, the coincidence distance of the head and tail of described two sections of adjacent hopper assemblies is 10-20mm.
6. ceramic raw material roller mill electric and magnetic oscillation screening feeding back device according to claim 1, it is characterized in that, described oblique material baffle has square hole, and is covered with 5-15 object screen cloth above, fallen on the base plate of hopper lower floor cavity from the square hole oblique material baffle by the particle of screen cloth like this.
7. ceramic raw material roller mill electric and magnetic oscillation screening feeding back device according to claim 1, it is characterized in that, be provided with the middle material baffle of more than a piece or a piece in described hopper, hopper is divided into some sections, object is the Distance Shortened making particle movement on oblique material baffle; Each section all has a discharging skewed slot at least, and one end of discharging skewed slot is provided with and is connected with tracheae inflatable mouth.
8. ceramic raw material roller mill electric and magnetic oscillation screening feeding back device according to claim 1, it is characterized in that, described vibration generating arrangement comprises upper and lower gripper shoe, be connected to elastic system, exciting device between upper and lower gripper shoe, and hopper is fixed on upper backup pad.
9. ceramic raw material roller mill electric and magnetic oscillation screening feeding back device according to claim 8, it is characterized in that, it is many groups leaf spring group of a group and the holder that is connected between flat spring and upper and lower gripper shoe that the described elastic system flat spring comprised more than by two panels happens frequently, the mounted angle of flat spring is 20-25 degree, and holder screw is arranged on upper backup pad, lower supporting plate.
10. ceramic raw material roller mill electric and magnetic oscillation screening feeding back device according to claim 8, it is characterized in that, described exciting device comprises iron-core coil, armature and wedge, armature is fixed on upper backup pad, iron-core coil is arranged on lower supporting plate by wedge, wedge is provided with adjustment screw, for adjusting the extension elongation of wedge, thus regulates the gap between armature and iron core;
Described armature is formed by the dress that changes in the silicon steel sheet of in-line of 0.23-0.50 millimeter; Iron core 0.23-0.50 millimeter is that the silicon steel sheet of the chevron dress that changes forms;
There is multiple rubber shock absorber strut the bottom surface of described lower supporting plate, plays the vibration isolation effect of pair roller mill frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510897571.4A CN105327742A (en) | 2015-12-08 | 2015-12-08 | Electromagnetic vibrating, screening and returning device of ceramic raw material roller mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510897571.4A CN105327742A (en) | 2015-12-08 | 2015-12-08 | Electromagnetic vibrating, screening and returning device of ceramic raw material roller mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105327742A true CN105327742A (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510897571.4A Withdrawn CN105327742A (en) | 2015-12-08 | 2015-12-08 | Electromagnetic vibrating, screening and returning device of ceramic raw material roller mill |
Country Status (1)
| Country | Link |
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| CN (1) | CN105327742A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552162A (en) * | 2017-09-19 | 2018-01-09 | 佛山科学技术学院 | A kind of roller apparatus of ceramic raw material milling equipment |
| CN107952558A (en) * | 2017-11-28 | 2018-04-24 | 佛山科学技术学院 | A kind of instant supply equipment of industrial chemicals powder |
-
2015
- 2015-12-08 CN CN201510897571.4A patent/CN105327742A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552162A (en) * | 2017-09-19 | 2018-01-09 | 佛山科学技术学院 | A kind of roller apparatus of ceramic raw material milling equipment |
| CN107952558A (en) * | 2017-11-28 | 2018-04-24 | 佛山科学技术学院 | A kind of instant supply equipment of industrial chemicals powder |
| CN107952558B (en) * | 2017-11-28 | 2023-09-26 | 佛山科学技术学院 | Instant supply equipment of industrial chemicals powder |
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Application publication date: 20160217 |