CN106000555B - A kind of continuous discharge ball-milling technology of Crystal Powders - Google Patents
A kind of continuous discharge ball-milling technology of Crystal Powders Download PDFInfo
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- CN106000555B CN106000555B CN201610371964.6A CN201610371964A CN106000555B CN 106000555 B CN106000555 B CN 106000555B CN 201610371964 A CN201610371964 A CN 201610371964A CN 106000555 B CN106000555 B CN 106000555B
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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
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
-
- 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
- B02C23/02—Feeding devices
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
A kind of continuous discharge ball-milling technology of Crystal Powders, including can continuous discharge ball mill and continuous feeding system, from an endfeed of ball milling roller, other end discharging, and the plenum chamber of taper type is set, powder water is taken to be separately added into after blending bin, and direct current enters ball mill again；Realize that powder and water control respectively, ensure mixed-hopper discharging uniformly continuous, load is controlled by rotary valve, flowmeter controls water inlet, facilitates the ratio and influx of control targe specification slurry, 8 are axially provided in ball milling roller and scrapes strip antifriction metal (AFM) item, ensure that bearing steel forges steel ball and left at 45 47 °, it is further reduced crystalline material and crosses powder, improve utilization rate of raw materials, increase cutting force and economic benefit, equivalent product reduces former material usage amount and improves added value of product again；Extend stream time to the maximum extent, cut down the number of intermediate links, reduce labor intensity, improving yield and economic benefit.
Description
Technical field
The present invention relates to a kind of crystalline material micro mist processing technology, the continuous discharge ball milling work of particularly a kind of Crystal Powders
Skill.
Background technology
Crystalline material micro mist is processed, and is usually first crushed with crusher, then pass through ball mill or Raymond machine or airflow milling
The equipment such as machine process 5 mesh, and with thin powder, further refinement reaches micro mist.According to requirement of the user to product quality, we use
Horizontal wet ball mill carries out crystalline material micronizing.Past we in intermittent wet ball milling, raw material are excessive in order to prevent
Crushing causes the wasting of resources, big particle size materials is made to return to the method regrinded using shortening Ball-milling Time, increasing preliminary classification, i.e.,；
《A kind of excessive material that reduces crushes the disintegrating process for increasing certain number section product yield》.It was found that circularity is improved, although having
Preferable economic effect, but since work interval is frequent, intermediate link is more, increases labour's usage amount, be unfavorable for yield
Further improve, be unfavorable for further improving for benefit.
Invention content
The technical problems to be solved in view of the defects of the present invention is to propose one kind to prevent the excessive powder of raw material
It is broken, cutting force is improved, and be easy to the continuous discharge ball-milling technology for producing the Crystal Powders of refinement micro mist in enormous quantities.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions, a kind of Crystal Powders continuously go out
Pellet grinding process, its main feature is that：Using it is a kind of can continuous discharge ball mill and continuous feeding system,
The ball mill is equipped with ball milling roller, and two end axis of ball milling roller are on engine base, two ends of ball milling roller
Axis is hollow shaft, and one of end axis is charging axle, another end axis is discharging axle, is equipped between discharging axle and ball milling roller
The plenum chamber of one taper type, the small end of plenum chamber connect with discharging axle, and the big end of plenum chamber connects with ball milling roller, plenum chamber
Partition board is equipped between ball milling roller, material path is equipped at the center of partition board, the partition board upper edge week in the big end cone bottom of plenum chamber
While it is evenly arranged with several return ports；8 are axially provided in ball milling roller and scrapes strip antifriction metal (AFM) item, scrapes the wear-resisting gold of strip
Belong to item to be axially evenly arranged in ball milling roller,
The continuous feeding system includes a mixed-hopper, after the powder and water measured respectively mixes in mixed-hopper
It is passed into ball milling roller by centre bore of the feed pipe through charging axle；
It first powers on, bearing steel is packed into ball milling roller and forges steel ball, and be packed into what is be made of powder and water in proportion
Mixed slurry, it is 10 that bearing steel, which forges steel ball and the weight ratio of mixed slurry,：3~4, total input accounts for ball milling drum volume
40-60%；The rotating speed of ball milling roller turns in 15-30 per minute, ensures that bearing steel forges steel ball and left at 45-47 °, makes refinement
Speed is best, reduces the polishing time, reduces circularity, improves cutting force；
Head mill the input and output material time be 3.5-6 hour, then simultaneously open ball mill charging and discharging system, target slurry with
Thin slurry is flowed out after plenum chamber by the material hole of discharging axle, ensure that discharging is uniform and stable, while flows into the target of plenum chamber
It polishes again in the ball milling storehouse that slurry is flowed back to ball milling roller with thick slurry by return port；
According to the mesh number of target product, first mill input and output material time and inlet amount are adjusted, specifically：
During target 1000 mesh of slurry, the head mill input and output material times are 3.5-4.5 hours, into powder 80-100kg/h, water 45-
53kg/h；
During target 1200 mesh of slurry, the head 4-5 hours input and output material times of mill；Into powder 70-90kg/h, water 37-50kg/h；
During target 1500 mesh of slurry, the head 4.5-5.5 hours input and output material times of mill；Into powder 60-80kg/h, water 32-43kg/
h；
During target 2000 mesh of slurry, the head 5-6 hours input and output material times of mill；Into powder 50-70kg/h, water 27-38kg/h.
The technical problem to be solved in the present invention can also realize further by the following technical programs, first power on by
50：27：15：8 ratio is packed into the bearing steel that diameter is respectively 25mm, 20mm, 15mm, 10mm and forges steel ball, and every 48 is small later
When need to shut down supplement diameter 25mm bearing steels and forge steel ball, the weight of supplement adds in 25mm bearing steel forge steel ball weights to be first
5-6%.
The technical problem to be solved in the present invention can also further realize that mixed-hopper passes through by the following technical programs
Supporting rack connects with the engine base of ball mill, and vibroseis is provided to mixed-hopper by shaking naturally for ball mill.
The technical problem to be solved in the present invention can also realize further by the following technical programs, the material path
It is composed of 3~8 punishment in advance gaps of radial arrangement, the area of material path is more than the area of the discharge port of discharging axle.
The technical problem to be solved in the present invention can also further realize that the return port is set by the following technical programs
It is set to six.
The technical problem to be solved in the present invention can also realize further by the following technical programs, the ball milling roller
For the taper type that discharge end is big, feed end is small.
The technical problem to be solved in the present invention can also realize further by the following technical programs, the big end of plenum chamber
The ratio of internal diameter and the discharge end internal diameter of ball milling roller is 8：10~12.
The technical problem to be solved in the present invention can also realize further by the following technical programs, the taper of plenum chamber
It is 3：10~3：8.
Compared with prior art, the present invention from an endfeed of ball milling roller, other end discharging, and the steady of taper type is set
Flow chamber, powder water is taken to be separately added into after blending bin, and direct current enters ball mill again；It realizes that powder and water control respectively, ensures mixture
Bucket discharging uniformly continuous, load are controlled by rotary valve, flowmeter control water inlet, facilitate the ratio of control targe specification slurry
And influx, it is further reduced crystalline material and crosses powder, powder rate was made to be reduced by original 27% to 19%, raw material is improved and utilizes
Rate, increase cutting force and economic benefit, equivalent product reduce former material usage amount and improve added value of product again；Reduce intermediate ring
About labour successively reduces fixed cost；40% is discharged as goal standard, typically 28%, overflow process efficiency is improved, into
One step liberation labour increases economic efficiency；It is carried out continuously production, target product yield is doubled, and increases capacity benefit, production
The competitiveness of product.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the sectional view of plenum chamber and ball milling roller linking part；
Fig. 3 is the structure chart of partition board.
Specific embodiment
A kind of continuous discharge ball-milling technology of Crystal Powders, using it is a kind of can the ball mill of continuous discharge and continuous feeding system
System, the ball mill are equipped with ball milling roller 3, and for two end axis of ball milling roller on engine base, two end axis of ball milling roller are equal
For hollow shaft, one of end axis is charging axle 5, another end axis is discharging axle 1, and one is equipped between discharging axle and ball milling roller
The plenum chamber 2 of a taper type, the small end of plenum chamber 2 connect with discharging axle, and the big end of plenum chamber connects with ball milling roller, plenum chamber
Partition board 6 is equipped between ball milling roller, material path 8, the partition board upper edge in the big end cone bottom of plenum chamber are equipped at the center of partition board 6
Periphery is evenly arranged with several return ports 9；8 are axially provided in ball milling roller and scrapes strip antifriction metal (AFM) item 7, it is resistance to scrape strip
Mill metal strip is axially evenly arranged in ball milling roller,
The continuous feeding system includes a mixed-hopper 4, and the powder and water measured respectively mixes in mixed-hopper
It is passed into ball milling roller by centre bore of the feed pipe through charging axle afterwards；
It first powers on, bearing steel is packed into ball milling roller and forges steel ball, and be packed into what is be made of powder and water in proportion
Mixed slurry, it is 10 that bearing steel, which forges steel ball and the weight ratio of mixed slurry,：3~4, total input accounts for ball milling drum volume
40-60%；The rotating speed of ball milling roller turns in 15-30 per minute, ensures that bearing steel forges steel ball and left at 45-47 °, makes refinement
Speed is best, reduces the polishing time, reduces circularity, improves cutting force；
Head mill the input and output material time be 3.5-6 hour, then simultaneously open ball mill charging and discharging system, target slurry with
Thin slurry is flowed out after plenum chamber by the material hole of discharging axle, ensure that discharging is uniform and stable, while flows into the target of plenum chamber
It polishes again in the ball milling storehouse that slurry is flowed back to ball milling roller with thick slurry by return port；
According to the mesh number of target product, first mill input and output material time and inlet amount are adjusted, specifically：
During target 1000 mesh of slurry, the head mill input and output material times are 3.5-4.5 hours, into powder 80-100kg/h, water 45-
53kg/h；
During target 1200 mesh of slurry, the head 4-5 hours input and output material times of mill；Into powder 70-90kg/h, water 37-50kg/h；
During target 1500 mesh of slurry, the head 4.5-5.5 hours input and output material times of mill；Into powder 60-80kg/h, water 32-43kg/
h；
During target 2000 mesh of slurry, the head 5-6 hours input and output material times of mill；Into powder 50-70kg/h, water 27-38kg/h.
It first powers on by 50：27：15：8 ratio is packed into the bearing steel forging that diameter is respectively 25mm, 20mm, 15mm, 10mm
Steel ball is made, supplement diameter 25mm bearing steels need to be shut down within every 48 hours later and forge steel ball, the weight of supplement adds in 25mm to be first
The 5-6% of bearing steel forge steel ball weight.
Mixed-hopper is connected by supporting rack with the engine base of ball mill, is provided by shaking naturally for ball mill to mixed-hopper
Vibroseis.
The material path is composed of 3~8 punishment in advance gaps of radial arrangement, and the area of material path is more than
Expect the area of the discharge port of axis.The return port is set as six.The ball milling roller is the frustum that discharge end is big, feed end is small
Shape.The ratio of the big end internal diameter of plenum chamber and the discharge end internal diameter of ball milling roller is 8：10~12.The taper of plenum chamber is 3：10~
3：8.
Specifically：Being designed in non-transmision end increases taper type plenum chamber, high by outside diameter 860, end diameter 310, platform
500 frustum is completed, and big end is connect with the grinding chamber of ball milling roller by two groups of through-holes, and plenum chamber keeps stable slurry liquid level
Highly, uniform and stable to discharge, there are the punishment in advance of 45 millimeters of wide 3 mm length of radial strip seams at plenum chamber partition board center
6, gap mainly ensures to allow the discharging of target slurry is normal can prevent bearing steel from forging steel ball disengaging operating room again, always pass through
Area is more than discharge port, and the big end cone lower circumference direction of plenum chamber uniformly opens up the return port of the long 200mm of 6 wide 5 camber line, is used for
Target flows back to ball milling storehouse with coarse particles polishes again；What inner wall of rotary drum uniform design 8 was axially set scrapes strip antifriction metal (AFM)
Item, prominent section 20x20, leaves at 45-47 ° convenient for ensureing that bearing steel forges steel ball, makes refinement speed best, reduces polishing
Time reduces circularity, improves cutting force, is detected by 3000 laser particle analyzer of Britain's Malvern, the mesh carbon of 2000 mesh -1200
SiClx circularity can be reduced to 0.872, the 1000 mesh silicon carbide circularities of mesh -800 by 0.89 can be reduced to 0.86 or so.For just
It is moved in material to outlet, goal standard slurry is made to send out in time, make micro change to rotatingcylindrical drum, increase material output terminal
Diameter is constant to 1280mm, holding power intake diameter 1200mm, so that it becomes taper type roller, is moved naturally convenient for material
It is dynamic；Mating Feed metering device, mixed-hopper are supported by tripod, wherein a support feet is connect with ball mill engine base, purpose
It is to provide vibroseis to mixed-hopper, ensures mixed-hopper discharging uniformly continuous, load is controlled by rotary valve, flowmeter control water
Inlet facilitates the ratio and influx of control targe specification slurry.
Present invention process main points are：
The first mill input and output material time is determined according to crystalline material micro mist purposes, was adjusted in the range of 3.5-6 hours, shortens polishing
Time improves cutting force；
Steel ball quantitative proportion is forged to different-diameter bearing steel only to require for the first time, is only packed into the axis of maximum gauge later
It holds steel forging and makes steel ball；
The micro-powder graded raw material of crystalline material produced using the production technology of the present invention can keep having sharp durable good
Good physical property；Using present invention process implement it is simple, be easy to continuously to produce in enormous quantities, Preparation equipment is ripe, low noise, be applicable in
In the production micro-powder graded raw materials of segment numbers crystalline material such as 800,1000,1200,1500,2000,2500, therefore present invention process is fitted
Wide with range, vitality is remote；Reduce labour's usage amount；
Improve utilization rate of raw materials and target product yield.40% is discharged as goal standard (being typically 28%), every 24
Hour discharging is containing 1.44 tons or so of dry powder (the intermittent 24 hours ball milling time containing loading and unloading only has 1 ton or so).
Claims (8)
1. a kind of continuous discharge ball-milling technology of Crystal Powders, it is characterised in that：
Using it is a kind of can continuous discharge ball mill and continuous feeding system,
The ball mill is equipped with ball milling roller, and for two end axis of ball milling roller on engine base, two end axis of ball milling roller are equal
For hollow shaft, one of end axis is charging axle, another end axis is discharging axle, set between discharging axle and ball milling roller there are one
The plenum chamber of taper type, the small end of plenum chamber connect with discharging axle, and the big end of plenum chamber connects with ball milling roller, plenum chamber and ball
Partition board is equipped between mill roller, is equipped with material path at the center of partition board, on the partition board of the big end cone bottom of plenum chamber peripherally
It is even to be provided with several return ports；8 are axially provided in ball milling roller and scrapes strip antifriction metal (AFM) item, scrapes strip antifriction metal (AFM) item
It is axially evenly arranged in ball milling roller,
The continuous feeding system include a mixed-hopper, the powder and water measured respectively mixed in mixed-hopper after by into
Centre bore of the expects pipe through charging axle is passed into ball milling roller；
It first powers on, bearing steel is packed into ball milling roller and forges steel ball, and be packed into the mixing being made of powder and water in proportion
Slurry, it is 10 that bearing steel, which forges steel ball and the weight ratio of mixed slurry,：3~4, total input accounts for the 40- of ball milling drum volume
60%；The rotating speed of ball milling roller turns in 15-30 per minute, ensures that bearing steel forges steel ball and left at 45-47 °, makes refinement fast
Degree is best, reduces the polishing time, reduces circularity, improves cutting force；
The head mill input and output material times are 3.5-6 hours, then open the charging and discharging system of ball mill simultaneously, target slurry is with thin
Slurry is flowed out after plenum chamber by the discharge port of discharging axle, ensure that discharging is uniform and stable, while flows into the target material of plenum chamber
It polishes again in the ball milling storehouse that slurry is flowed back to ball milling roller with thick slurry by return port；
According to the mesh number of target product, first mill input and output material time and inlet amount are adjusted, specifically：
During target 1000 mesh of slurry, the head mill input and output material times are 3.5-4.5 hours, into powder 80-100kg/h, water 45-53kg/
h；
During target 1200 mesh of slurry, the head 4-5 hours input and output material times of mill；Into powder 70-90kg/h, water 37-50kg/h；
During target 1500 mesh of slurry, the head 4.5-5.5 hours input and output material times of mill；Into powder 60-80kg/h, water 32-43kg/h；
During target 2000 mesh of slurry, the head 5-6 hours input and output material times of mill；Into powder 50-70kg/h, water 27-38kg/h.
2. the continuous discharge ball-milling technology of Crystal Powders according to claim 1, it is characterised in that：It first powers on by 50：
27：15：8 ratio is packed into the bearing steel that diameter is respectively 25mm, 20mm, 15mm, 10mm and forges steel ball, needs within every 48 hours later
It shuts down supplement diameter 25mm bearing steels and forges steel ball, the weight of supplement is the first 5- for adding in 25mm bearing steel forge steel ball weights
6%.
3. the continuous discharge ball-milling technology of Crystal Powders according to claim 1, it is characterised in that：Mixed-hopper passes through branch
Support connects with the engine base of ball mill, and vibroseis is provided to mixed-hopper by shaking naturally for ball mill.
4. the continuous discharge ball-milling technology of Crystal Powders according to claim 1, it is characterised in that：The material path by
3~8 punishment in advance gaps of radial arrangement are composed, and the area of material path is more than the area of the discharge port of discharging axle.
5. the continuous discharge ball-milling technology of Crystal Powders according to claim 1, it is characterised in that：The return port setting
It is six.
6. the continuous discharge ball-milling technology of Crystal Powders according to claim 1, it is characterised in that：The ball milling roller is
The taper type that discharge end is big, feed end is small.
7. the continuous discharge ball-milling technology of Crystal Powders according to claim 1, it is characterised in that：In the big end of plenum chamber
The ratio of diameter and the discharge end internal diameter of ball milling roller is 8：10~12.
8. the continuous discharge ball-milling technology of Crystal Powders according to claim 1, it is characterised in that：The taper of plenum chamber is
3：10~3：8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610371964.6A CN106000555B (en) | 2016-05-31 | 2016-05-31 | A kind of continuous discharge ball-milling technology of Crystal Powders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610371964.6A CN106000555B (en) | 2016-05-31 | 2016-05-31 | A kind of continuous discharge ball-milling technology of Crystal Powders |
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| CN106000555A CN106000555A (en) | 2016-10-12 |
| CN106000555B true CN106000555B (en) | 2018-06-15 |
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ID=57091489
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256264A (en) * | 1978-02-27 | 1981-03-17 | F. L. Smidth & Co. | Tube mill |
| EP0483452A1 (en) * | 1990-10-31 | 1992-05-06 | Oliver Y Batlle S.A. | Grinding body separator in mills for triturating and breaking up solids dispersed in liquids |
| US6220536B1 (en) * | 1998-03-12 | 2001-04-24 | Shinwa Plant Kikou Co., Ltd. | Milling machine, method of crushing ore by use of the milling machine, and method of manufacturing the milling machine |
| CN1425503A (en) * | 2002-12-26 | 2003-06-25 | 华东理工大学 | Process for processing nano grade super fine tourmaline micro crystal with negative ion generating function |
| CN101712463A (en) * | 2008-09-30 | 2010-05-26 | 蚌埠华洋粉体技术有限公司 | Method and device for grinding zirconium silicate by stages |
| CN202666934U (en) * | 2012-07-05 | 2013-01-16 | 连云港海蓝研磨材料有限公司 | Ball mill |
-
2016
- 2016-05-31 CN CN201610371964.6A patent/CN106000555B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256264A (en) * | 1978-02-27 | 1981-03-17 | F. L. Smidth & Co. | Tube mill |
| EP0483452A1 (en) * | 1990-10-31 | 1992-05-06 | Oliver Y Batlle S.A. | Grinding body separator in mills for triturating and breaking up solids dispersed in liquids |
| US6220536B1 (en) * | 1998-03-12 | 2001-04-24 | Shinwa Plant Kikou Co., Ltd. | Milling machine, method of crushing ore by use of the milling machine, and method of manufacturing the milling machine |
| CN1425503A (en) * | 2002-12-26 | 2003-06-25 | 华东理工大学 | Process for processing nano grade super fine tourmaline micro crystal with negative ion generating function |
| CN101712463A (en) * | 2008-09-30 | 2010-05-26 | 蚌埠华洋粉体技术有限公司 | Method and device for grinding zirconium silicate by stages |
| CN202666934U (en) * | 2012-07-05 | 2013-01-16 | 连云港海蓝研磨材料有限公司 | Ball mill |
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| CN106000555A (en) | 2016-10-12 |
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