CN108160292A - A kind of grinding device and grinding method - Google Patents
A kind of grinding device and grinding method Download PDFInfo
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- CN108160292A CN108160292A CN201711458661.9A CN201711458661A CN108160292A CN 108160292 A CN108160292 A CN 108160292A CN 201711458661 A CN201711458661 A CN 201711458661A CN 108160292 A CN108160292 A CN 108160292A
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- 238000000227 grinding Methods 0.000 title claims abstract description 199
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 84
- 239000002994 raw material Substances 0.000 claims abstract description 63
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 97
- 239000012716 precipitator Substances 0.000 claims description 49
- 239000000428 dust Substances 0.000 claims description 29
- 238000009423 ventilation Methods 0.000 claims description 29
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- 239000003595 mist Substances 0.000 claims description 21
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- 238000007493 shaping process Methods 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 12
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- 238000000926 separation method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 230000007480 spreading Effects 0.000 description 25
- 238000003892 spreading Methods 0.000 description 25
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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
- B02C21/00—Disintegrating plant with or without drying of the material
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention belongs to mixed material grinding fields, disclose a kind of grinding device and grinding method, grinding device includes the first grinding system, second grinding system and third grinding system, the feed inlet of each grinding system is both provided with raw material feed arrangement, discharge port is connected by dispensing homogenizer with the feed inlet of batch mixer, during grinding, demand according to the maximum packing density of the different characteristics and admixture that blend material is first grouped raw material, raw material after grouping is ground after the metering of raw material feed arrangement into respective grinding system, enter in dispensing homogenizer after grinding is qualified and be homogenized, entire production process most can be completed through batch mixer batch mixing afterwards, the raw material of different characteristics quantitatively mix after being ground in different grinding systems, it is easy to operate, and product quality is high.
Description
Technical field
The present invention relates to mixed material grinding field, more particularly to a kind of compound spike grinding device of concrete and
Use the grinding method of the device.
Background technology
" recycle, be environmentally protective " be building materials enterprise must Zou Zhi roads, cement production enterprise goes production capacity, traditional product structural adjustment
The die is cast.Composite blending material for concrete applicable industry waste residue, building castoff various admixtures composite cementitious material,
Induced activation effect, surface crystallites effect, interface coupling effect, synergistic effect, big radian improve the workability, resistance to of concrete
Long property is indispensable " the 6th component " of concrete.Composite blending material for concrete《JG/T-486-2015 standards》In
It comes into effect on 04 01st, 2016.Produce high-performance, the composite blending material for concrete of high quality is the production of cement production enterprise tradition
The another outlet of product structural adjustment.The method that domestic production composite blending material for concrete uses " combined grinding " at present, it is this
Production method flow is simple, and still, since the various grindabilities for blending material are widely different, the various characteristics for blending material cannot fill
Distribution is waved, and shadow is to the working performance of concrete and the durability of concrete.
The applicant applied on 08 31st, 2016 patent 2016210372069.2 at times separate compiling equipment,
The respective grinding process at times of patent 201610801469.4, it is desirable to provide a kind of to complete closed circuit pre- powder with a set of milling equipment
Mill, closed circuit high thin whole grinding and the high thin whole grinding of open circuit, simple for process, equipment investment is few.But it is this at times distinguish powder
Mill need to turn the more a switching valves of Change when changing product variety, inconvenient for operation, it is often more important that：When changing kind, former product
There is a large amount of salvage stores to stay in the equipment of grinding system, product quality is caused to decline, be not suitable for producing high-performance and high-quality
The building material product of amount.On this basis, we expand and have studied subsequent application technology, be allowed to be more suitable for production high-performance and
During the building material product of high-durability.
Invention content
The object of the present invention is to provide a kind of grinding device and grinding method, to solve above-mentioned of the existing technology ask
Topic.
To achieve the above object, the present invention provides following schemes：
The present invention provides a kind of grinding device, including the first grinding system, the second grinding system and third grinding system, the
The feed inlet of one grinding system, the second grinding system and third grinding system is both provided with raw material feed arrangement, the first grinding system
The discharge port of system, the second grinding system and third grinding system is connected by dispensing homogenizer with the feed inlet of batch mixer.
Optionally, raw material feed arrangement includes raw material store, belt conveyer scale and adhesive tape conveyor, feed inlet and the original of belt conveyer scale
The discharge port of material depot is connected, and the discharge port of belt conveyer scale is connected with adhesive tape conveyor, and adhesive tape conveyor passes through raw material elevator
It is connected with the feed inlet of the first grinding system, the second grinding system and third grinding system.
Optionally, the first grinding system includes ball mill, and the feed inlet of ball mill is connected with raw material feed arrangement, ball mill
Discharge port be connected by the first filler elevator with the feed inlet of dispensing homogenizer, and raw material feed arrangement and ball mill lead to
Air draft pipe is crossed with the first dust removal by ventilation device to be connected.
Optionally, the second grinding system includes the first combined type sorting Vertical Mill, the first coarse powder dust-precipitator, the first shaping ball milling
Machine, high thin powder concentrator and micro mist dust-precipitator, the feed inlet and the first discharge port of the first combined type sorting Vertical Mill carry respectively with raw material
The both ends of the machine of liter are connected, and the second discharge port of the first combined type sorting Vertical Mill is connected with the feed inlet of the first coarse powder dust-precipitator,
The discharge port of first coarse powder dust-precipitator is connected with the feed inlet of the first reshaping ball grinder, and the discharge port of the first reshaping ball grinder passes through
Second filler elevator is connected with the feed inlet of high thin powder concentrator, and the first discharge port and the first shaping ball milling of high thin powder concentrator
The feed inlet of machine is connected, and the second discharge port of high thin powder concentrator is connected with the feed inlet of micro mist dust-precipitator, and micro mist dust-precipitator goes out
Material mouth is connected with the feeding mouth of dispensing homogenizer, and micro mist dust-precipitator and the first coarse powder dust-precipitator are connected with ventilation blower.
Optionally, third grinding system includes the second combined type sorting Vertical Mill, the second coarse powder dust-precipitator and the second finishing ball
Grinding machine, the second combined type sort the both ends of Vertical Mill feed inlet and the first discharge port respectively with raw material elevator and are connected, and second group
It is box-like sorting Vertical Mill the second discharge port be connected with the feed inlet of the second coarse powder dust-precipitator, the discharge port of the second coarse powder dust-precipitator and
The feed inlet of second reshaping ball grinder is connected, and the discharge port of the second reshaping ball grinder is provided with the second dust removal by ventilation device, and second
The discharge port of reshaping ball grinder is connected by third filler elevator with dispensing homogenizer.
Optionally, dispensing homogenizer includes homogenizing storehouse and rotor weigher, the feeding mouth of rotor weigher and the discharge port of homogenizing storehouse
It is connected, the discharge port of rotor weigher is connected with the feed inlet of batch mixer.
The present invention also provides a kind of grinding methods, include the following steps：A, according to the different characteristics and admixture for blending material
Maximum packing density demand by raw material be divided into easily mill component, difficult grind narrow grain size component and difficult mill wide particle diameter component；B, easily
It grinds component and enters the first grinding system after the metering of raw material feed arrangement, hardly possible grinds narrow grain size component after the metering of raw material feed arrangement
Into the second grinding system, hardly possible mill wide particle diameter component enters third grinding system after the metering of raw material feed arrangement；C, through above-mentioned
Material after grinding system grinding respectively enters dispensing homogenizer, is mixed after dispensing homogenizer homogenizing, metering through batch mixer
Entire production process can be completed in material.
Optionally, each component enters raw material store in step B, after belt scale metering, by adhesive tape conveyor through former material
Material elevator promotion is delivered to respective grinding system；Component is easily ground in first grinding system and initially enters grinding in ball mill,
The material of material and the recycling of the first dust removal by ventilation device after grinding delivers into dispensing through the first filler elevator together and disguises
Put homogenizing；The difficult narrow grain size component of mill initially enters sorting, grinding in the first combined type sorting Vertical Mill, grinding in second grinding system
Material afterwards is returned in the first combined type sorting Vertical Mill through raw material elevator and is sorted again, and large granular materials, which fall, returns to the first combination
Grinding is re-started in formula sorting Vertical Mill, coarse powder material is taken in shaping in the first reshaping ball grinder by the first coarse powder dust-precipitator, ground
Mill, the powder after shaping, grinding, which is lifted into through the second filler elevator in high thin powder concentrator, to be sorted, and it is whole that middle coarse powder returns to first
Reformation, grinding in shape ball mill, micro mist are collected to enter in dispensing homogenizer through micro mist dust-precipitator and be homogenized；Third grinding system
Middle difficult mill wide particle diameter composition initially enters sorting, grinding in the second combined type sorting Vertical Mill；Material after grinding is again through raw material
Elevator returns to be sorted in the second combined type sorting Vertical Mill, and large granular materials, which fall, returns to weight powder in the second combined type sorting Vertical Mill
Mill, coarse powder material is collected by the second coarse powder dust-precipitator enters shaping in the second reshaping ball grinder, grinding, the powder after shaping, grinding
Material, which is lifted into through third filler elevator in dispensing homogenizer, to be homogenized.
Optionally, material initially enters homogenizing storehouse homogenizing in step C, and the material after homogenizing enters mixed after rotor weigher measures
Material machine batch mixing can obtain required product.
Optionally, easily during mill component material grinding in the dust and ball mill of belt conveyer scale and adhesive tape conveyor interface
The gas dirt of ventilation is discharged after the separation of the first dust removal by ventilation device, purification together；Hardly possible grinds skin during narrow grain size component material grinding
The dust of belt scale and adhesive tape conveyor interface is sorted from the air port below the first combined type sorting Vertical Mill into the first combined type
Gas dirt in Vertical Mill and in the first combined type sorting Vertical Mill be concomitantly introduced into the first coarse powder dust-precipitator detached, purify after discharge, the
It is discharged after being detached, purified into micro mist dust-precipitator together with gas dirt in one reshaping ball grinder and the gas dirt in high thin powder concentrator；
The dust of belt conveyer scale and adhesive tape conveyor interface is vertical from the sorting of the second combined type during hardly possible mill wide particle diameter component material grinding
The gas dirt that the air port of mill lower section enters in the second combined type sorting Vertical Mill and in the second combined type sorting Vertical Mill is concomitantly introduced into second
Coarse powder dust-precipitator detached, purify after discharge, the gas dirt in the second reshaping ball grinder is after the second dust removal by ventilation device is detached, purified
Discharge.
The present invention achieves following technology advantageous effect relative to the prior art：
1st, grinding device and grinding method provided by the invention, the raw material of different characteristics are ground in different grinding systems
It is quantitatively mixed after mill, easy to operate, product quality is high, and composite blend is made to reach maximum packing density by rationally coordinating,
Counteracting each other and composite cementitious material, induced activation for imitative " Chinese medicine prescription for a medical decoction " of the various blending materials in concrete is given full play to
Effect, surface crystallites effect, interface coupling effect, synergistic effect, improve concrete working performance and concrete it is durable
Property.
2nd, grinding device and grinding method provided by the invention are dusted in grinding process, further improve grinding
Quality.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure diagram of grinding device in the present invention；
Fig. 2 is the structure diagram that combined type sorts Vertical Mill in the prior art；
Fig. 3 is the vertical view of Fig. 2；
Fig. 4 is the left view of Fig. 2；
Fig. 5 is that combined type sorts the structure diagram that Vertical Mill moves a spreading disk in the prior art；
Fig. 6 sorts vertical mill grinding power assembly structure chart for combined type in the prior art；
Fig. 7 sorts Vertical Mill air regulating port schematic cross-sectional view for combined type in the prior art.
Fig. 8 is that band breaks up the low energy consumption of stick and selects the structure diagram of powder in the prior art；
Spreading disk and the schematic diagram for breaing up stick on powder are selected in the low energy consumption that Fig. 9 breaks up stick for band in the prior art；
Figure 10 is that band breaks up the structure diagram that the low energy consumption of stick selects powder to enter the wind spiral case in the prior art；
Figure 11 breaks up the structure diagram that the low energy consumption of stick selects powder to meet charge level blade for band in the prior art；
Figure 12 is that band breaks up the low energy consumption of stick and selects the system diagram of powder use state in the prior art.
In figure：1- raw material stores, 2- belt conveyer scales, 3- adhesive tape conveyors, 4- raw materials elevator, 5- ball mills, the first powder of 6-
Material elevator, the first combined types of 7- sorting Vertical Mill, the first coarse powder of 8- dust-precipitator, the first reshaping ball grinders of 9-, 10- high carefully select powder
Machine, the second filler elevators of 11-, 12- micro mists dust-precipitator, the first discharge port of the first combined types of 13- sorting Vertical Mill, first group of 14-
The second discharge port of box-like sorting Vertical Mill, the second combined types of 15- sorting Vertical Mill feed inlet, the second coarse powder of 16- dust-precipitator, 17, second
Reshaping ball grinder, the second combined types of 18- sort the first discharge port of Vertical Mill, the second combined types of 19- sort the second discharge port of Vertical Mill,
20- homogenizing storehouses, 21- rotor weighers, 22- batch mixers, 23- thirds filler elevator, the first dust removals by ventilation of 24- device, 25- second divulge information
First discharge port of the thin powder concentrator of deduster, 26- Stand-alone bag dust collectors, 27- bag collectors in bulk, 28- high, the thin powder concentrators of 29- high
Second discharge port, 30- feed pipes, 31- elevators, the import of 32- feed backs, 33- burden-guiding cones, 34- guides mouth, 35- move a spreading disk,
36- deflection cones, 37- passages, 38- discharge ports, 39- hot wind inlets, 40- air regulating ports, 41- ventilation cases, the upper ventilation cases of 42-, 43-
Product outlet, 44- grindings power assembly, 45- mills, 46- grinding rollers, 47- sortings power assembly, 48- classifying turbines, 49- eddy flows
Blade, 50- spreading slots box, 51- ventilation holes, 52- hollows output shaft, 53- select powder vertical shaft, 54- air regulating boards, 55- electronic control cylinders,
56- feed inlets, the outlet of 57- fertilizers, 58- air inlets spiral case, 59- air inlets, the outlet of 60- feed backs, the upper spreading disks of 61-, 62- meet charge level
Blade, 63- spreading slots box, 64- scallop holes, 65- break up spreading disk under stick, 66- liner plates, 67- wind guide vanes, 68- grading wheels, 69-,
70- breaks up vertical shaft under conical shell under the upper conical shell of plate, 71-, 72-, 73- water conservancy diversion cone bucket, 74-, 75- every fan housing, the upper vertical shafts of 76-, 77-
One, which goes out to grind elevator, 78- grinding machines, 79- second, goes out to grind elevator, 80- conveyings skewed slot, 81- collectors.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of grinding device and grinding methods, of the existing technology to solve the problems, such as.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
The present invention provides a kind of grinding device, as shown in Figure 1, including the first grinding system, the second grinding system and third
Grinding system, the feed inlet of the first grinding system, the second grinding system and third grinding system are both provided with raw material feed arrangement,
The discharge port of first grinding system, the second grinding system and third grinding system passes through dispensing homogenizer and batch mixer 22
Feed inlet is connected, and three grinding system separate grinds are not interfere with each other, and avoids and grinds various materials using a grinding system, residual
Material material influences happening for grinding quality, effectively increases product quality.
In order to realize continuous accurate charging, raw material feed arrangement includes raw material store 1, belt conveyer scale 2 and adhesive tape conveyor 3,
The feed inlet of belt conveyer scale 2 is connected with the discharge port of raw material store 1, and the discharge port of belt conveyer scale 2 is connected, and glue with adhesive tape conveyor 3
Pass through the feed inlet phase of raw material elevator 4 and the first grinding system, the second grinding system and third grinding system with transporter 3
Even.
In order to improve grinding effect, the first grinding system includes ball mill 5, and feed inlet and the raw material feeding of ball mill 5 fill
Put connected, the discharge port of ball mill 5 is connected by the first filler elevator 6 with the feed inlet of dispensing homogenizer, and raw material into
It is connected to device and ball mill 5 by air draft pipe with the first dust removal by ventilation device 24；Second grinding system includes the first combined type
Sort Vertical Mill 7, the first coarse powder dust-precipitator 8, the first reshaping ball grinder 9, high thin powder concentrator 10 and micro mist dust-precipitator 12, the first combination
The feed inlet and the first combined type sorting Vertical Mill the first discharge port 13 of formula sorting Vertical Mill 7 respectively with the both ends phase of raw material elevator 4
Even, and the second discharge port of the first combined type sorting Vertical Mill 14 is connected with the feed inlet of the first coarse powder dust-precipitator 8, and the first coarse powder gathers dust
The discharge port of device 8 is connected with the feed inlet of the first reshaping ball grinder 9, and the discharge port of the first reshaping ball grinder 9 passes through the second powder
Elevator 11 is connected with the feed inlet of high thin powder concentrator 10, and high thin powder concentrator the first discharge port 28 and the first reshaping ball grinder 9
Feed inlet be connected, high thin the second discharge port of powder concentrator 29 is connected with the feed inlet of micro mist dust-precipitator 12, micro mist dust-precipitator 12
Discharge port is connected with the feeding mouth of dispensing homogenizer, and 12 and first coarse powder dust-precipitator 8 of micro mist dust-precipitator with ventilation blower phase
Even；Third grinding system includes the second combined type sorting Vertical Mill, the second coarse powder dust-precipitator 16 and the second reshaping ball grinder 17, and second
Combined type sorts Vertical Mill feed inlet 15 and the first discharge port of the second combined type sorting Vertical Mill 18 both ends with raw material elevator 4 respectively
It is connected, and the second discharge port of the second combined type sorting Vertical Mill 19 is connected with the feed inlet of the second coarse powder dust-precipitator 16, the second coarse powder
The discharge port of dust-precipitator 16 is connected with the feed inlet of the second reshaping ball grinder 17, and the discharge port of the second reshaping ball grinder 17 is provided with
Second dust removal by ventilation device 25, and the discharge port of the second reshaping ball grinder 17 passes through third filler elevator 23 and dispensing homogenizer
It is connected.
In order to improve homo-effect and realize the quantitative mixing of material, dispensing homogenizer includes homogenizing storehouse 20 and rotor
Scale 21, the feeding mouth of rotor weigher 21 are connected with the discharge port of homogenizing storehouse 20, the discharge port of rotor weigher 21 and the charging of batch mixer 22
Mouth is connected.
The present invention also provides a kind of grinding methods, include the following steps：
A, raw material are divided into easy mill group according to the demand of the maximum packing density of the different characteristics and admixture that blend material
Part, the narrow grain size component of difficult mill and difficult mill wide particle diameter component, the easy component that grinds is i.e. good by grindability, and poor activity or inactive
Raw material are a grinding component by the requirement of product, and by the building castoff in each raw material store 11, (concrete block gives up example
Brick, useless watt), desulfurated plaster, furnace bottom cinder, the extra lime stone powder that extracts in sandstone production line etc. matches for a component；It is difficult
Grind that narrow grain size component is i.e. poor by grindability, but the high raw material of activity by the requirement of product with being a component, example is by each original
Slag, phosphorus slag, white residue in material depot 1 etc. are a component；Hardly possible mill wide particle diameter component is i.e. by grindability difference and active low, intensity
Low raw material are by the requirement of product for a grinding component, and example is by basalt scrap, the Hua Gangyan in each raw material store 11
Scrap, zeolite, flyash etc. are a component；
B, each component enters raw material store 1, after the metering of belt conveyer scale 2, is carried by adhesive tape conveyor 3 through raw material elevator
It rises and is delivered to respective grinding system；Component is easily ground in first grinding system and initially enters grinding in ball mill 5, the object after grinding
Material and the material of the first dust removal by ventilation device 24 recycling deliver into dispensing homogenizer homogenizing through the first filler elevator 6 together,
The fineness of certified products is to adjust the feeding capacity of ball mill 5 according to the data of timing detection to control, and size controlling is at 0~75 μm
It is advisable；The difficult narrow grain size component of mill initially enters sorting, grinding in the first combined type sorting Vertical Mill 7, grinding in second grinding system
Material afterwards is returned in the first combined type sorting Vertical Mill 7 through raw material elevator 4 and is sorted again, and large granular materials, which fall, returns to first group
Grinding is re-started in box-like sorting Vertical Mill 7, coarse powder material is taken in whole in the first reshaping ball grinder 9 by the first coarse powder dust-precipitator 8
Shape, grinding, the powder after shaping, grinding, which is lifted into through the second filler elevator 11 in high thin powder concentrator 10, to be sorted, middle coarse powder
Reformation in the first reshaping ball grinder 9, grinding are returned to, micro mist is collected through micro mist dust-precipitator 12 to be entered in dispensing homogenizer
To change, the fineness of coarse powder is the rotating speed of powder rotor to be selected to control according to the data adjusting combined type sorting Vertical Mill periodically detected,
Below size controlling 0.5mm is advisable, and the fineness of certified products is that the rotor of high thin powder concentrator 10 is adjusted according to the data of timing detection
Rotating speed come what is controlled, size controlling is advisable at 5 μm~25 μm；Difficult mill wide particle diameter composition initially enters the in third grinding system
It is sorted in double-combined sorting Vertical Mill, grinding, it is vertical that the material after grinding returns to the sorting of the second combined type through raw material elevator again
It is sorted in mill, large granular materials, which fall, returns to weight grinding in the second combined type sorting Vertical Mill, and coarse powder material is gathered dust by the second coarse powder
Device 16, which is collected, enters shaping in the second reshaping ball grinder 17, grinding, and the powder after shaping, grinding is carried through third filler elevator 23
It rises to enter in dispensing homogenizer and be homogenized, the fineness of coarse powder is that the choosing of combined type sorting Vertical Mill is adjusted according to the data of timing detection
Come what is controlled, below size controlling 0.5mm's rotating speed of powder rotor is advisable, and the fineness of certified products is the data tune according to timing detection
Section combined type sorting Vertical Mill select the rotating speed of powder rotor control the feeding capacity of reshaping ball grinder 5 (be exactly combined type sort Vertical Mill
Coarse powder material yield), certified products size controlling is advisable at 5 μm~45 μm；
C, material initially enters homogenizing storehouse 20 and is homogenized, and the admixture in each homogenizing storehouse 20 by 21 ditch of rotor weigher is converted and is matched
It is mixed after material into batch mixer 22, you can be produced into the composite blending material for concrete of the various grades of different characteristics.
In order to improve grinding quality, the powder of belt conveyer scale 2 and 3 interface of adhesive tape conveyor during component material grinding is easily ground
The gas dirt divulged information in dirt and ball mill 5 is discharged after the first dust removal by ventilation device 24 is detached, purified together；Hardly possible grinds narrow grain size component object
Expect the dust of belt conveyer scale 2 and 3 interface of adhesive tape conveyor in grinding process from the air port of 7 lower section of the first combined type sorting Vertical Mill into
Enter the gas dirt in the first combined type sorting Vertical Mill 7 and in the first combined type sorting Vertical Mill 7 and be concomitantly introduced into 8 quilt of the first coarse powder dust-precipitator
It is discharged after separation, purification, the gas dirt in the first reshaping ball grinder 9 gathers dust together with the gas dirt in high thin powder concentrator 10 into micro mist
Device 12 detached, purify after discharge；Belt conveyer scale 2 and 3 interface of adhesive tape conveyor during hardly possible mill wide particle diameter component material grinding
Dust from the second combined type sorting Vertical Mill below air port enter the second combined type sorting Vertical Mill in and the second combined type sorting
Gas dirt in Vertical Mill be concomitantly introduced into the second coarse powder dust-precipitator 16 detached, purify after discharge, the gas in the second reshaping ball grinder 17
Dirt is discharged after the second dust removal by ventilation device 25 is detached, purified.In addition, the wind of gas dirt in homogenizing storehouse 20 by Stand-alone bag dust collector 26
Machine is discharged, and the gas discharge in batch mixer 22 is discharged by the wind turbine of bag collector 27 in bulk.
Grinding device and grinding method provided by the invention, during concrete application, according to the different characteristics for blending material
And the demand of the maximum packing density of admixture is first grouped raw material, the raw material after grouping is through raw material feed arrangement meter
It is ground after amount into respective grinding system, enters in dispensing homogenizer after grinding is qualified and be homogenized, most mixed afterwards through batch mixer
Material can be completed entire production process, and the raw material of different characteristics quantitatively mix after grind in different grinding systems, operation
It is convenient, and product quality is high.
It should be noted that the first combined type sorting Vertical Mill and the second combined type in grinding device of the present invention and grinding method
Sorting Vertical Mill can apply the combined type sorting Vertical Mill protected in the applicant's Patent No. 201320198571.1, the present invention
The low energy consumption that high thin powder concentrator can apply the band protected in the applicant's Patent No. 201420689702.0 to break up stick is selected
Powder machine.
As illustrated in figs. 2-7, body upper part is sorting to the combined type sorting Vertical Mill protected in patent 201320198571.1
Assembly, lower part are grinding assembly, have feed pipe 30 and product outlet 43 on grinding assembly, sorting has between assembly and grinding assembly
Passage 37, there is elevator 31 between the discharge port 38 of grinding assembly and the feed back import 32 for sorting assembly, sorting assembly includes
Dynamic point spreading disk 35, burden-guiding cone 33, upper ventilation case 42, product outlet 43, classifying turbine 48, swirl vane 49 and air regulating port, are moved
It puts and guide mouth 34, spreading slot box 50 and ventilation hole 51 is provided on spreading disk 35, the pipeline under product outlet 43 is double pipe structure,
And two-tube is in " people " font.
Expect road：Material enters the machine, attrition crushing, grinding by its grinding roller 46 from feed pipe 30 through passage 37.Grinding
Material afterwards is transported through discharge port 38 by elevator 31, enters dynamic point spreading disk from feed back import 32, burden-guiding cone 33, guide mouth 34
In 35 multiple spreading slot boxes 50, the gravity used with material is shed by the centrifugation of dynamic spreading disk 35, into swirl vane
It is sorted in 49 powder-separating areas formed with classifying turbine 48, qualified products pass through classifying turbine 48, dynamic point to spread under the action of the wind
Multiple ventilation holes 51 on charging tray 35 go out through upper ventilation case 42 from finished product, and into finished product collection system, the part after grinding is fine
Powder material under the action of the wind, directly rises through in the entrance of swirl vane 49 powder-separating area and is sorted, qualified material enters finished product
Collection system.Unqualified material is returned in mill 45 and is regrind through deflection cone 36, passage 37 under the effect of gravity.
Wind path：Under the action of the negative-pressure air fan of finished product collection system, the cold wind that air regulating port 40 enters is with entering the wind on circuit
The hot wind that enters of hot wind inlet together through lower ventilation case 41, enter in powder-separating area across swirl vane 49, carry qualified products
Across classifying turbine 48, multiple ventilation holes 51 of dynamic point spreading disk 35, enter finished product from product outlet 43 through upper ventilation case 42 and receive
Collecting system.Air regulating port 40 is tangential air inlet, has air regulating board 54 in air regulating port 40, Boiler pressure control controls air regulating board by electronic control cylinder 55
54 rotation aperture.
Grinding power drive system：The output axis connection mill 45 of grinding power assembly 44 (motor, main gear reducer).Mill
There is grinding roller 46 on disk 45.
Select powder power drive system：The output gear of sorting power assembly 47 (motor, speed reducer) is sleeved on hollow output
Axis 52, the connection of hollow output shaft 52 select powder vertical shaft 53, dynamic point spreading disk 35, move point spreading disk 35 and connect classifying turbine 48.
The band protected in patent 201420689702.0 breaks up the low energy consumption powder concentrator of stick 65 as illustrated in figs. 8-12, installation
Load bearing on the basis of has bearing holder (housing, cover), the dynamic transmission device in lower section in load bearing.Be sequentially connected on load bearing into
Wind spiral case 58, lower conical shell 72, upper conical shell 71；There is water conservancy diversion cone bucket 73 in lower conical shell 72, break up plate 70；It is fixed with and leads in upper conical shell 71
Fan blade 67 breaks up stick 65 and liner plate 66.The lower end of the lower vertical shaft 74 at center stretch out bearing in the bearing holder (housing, cover) in load bearing with
The output axis connection of actuating unit, lower vertical shaft 74 are fixedly arranged in the middle of lower spreading disk 69, every fan housing 75, the upper end of lower vertical shaft 74
It is connect with 68 lower end of grading wheel；68 upper end of grading wheel is sequentially connected spreading disk 61, upper vertical shaft 76, and the upper end of upper vertical shaft 76 is fixed
In bearing in top shell bearing holder (housing, cover)；Enter the wind it is uniformly distributed there are four identical air inlet 59 on the circumference of spiral case 58, in this way into
Wind mode enables air quantity uniformly to rotate rising, can there is better separating effect.It is uniformly distributed on upper spreading disk 61 that there are four identical
Spreading slot box 63, spreading slot box 63 meet charge level blade 62 into backward inclined blade structure；71 top of upper conical shell have two feed inlets 56,
There are two feed backs outlets 60 in one fertilizer outlet 57, load bearing lower section；Between upper conical shell 71, wind guide vane 67 and grading wheel 68
Form powder-separating area of annular of material；In air inlet spiral case 58, lower conical shell 72 and water conservancy diversion cone bucket 73, the formation between fan housing 75
The annular secondary powder-separating area of material.
Material after 78 grinding of grinding machine goes out to grind elevator 79 through second, conveying skewed slot 80 enters from feed inlet 56 through material guiding hopper
Upper spreading disk 61 is shed out by the effect for the centrifugal force for meeting the rotation generation of charge level blade 62 from spreading slot box 63, and stick is broken up in shock
65 and liner plate 66, under the effect of gravity, formed between wind guide vane 67 and grading wheel 68 past in an annular powder-separating area for material
It falls, and is graded 68 cutting sorting of wheel.Material after primary sorting is thrown again through water conservancy diversion cone bucket 73 into lower spreading disk 69
It spreads, hits break up plate 70 under the influence of centrifugal force, fallen by gravity, in air inlet spiral case 58, lower conical shell 72 and deflection cone
Bucket 73 forms the annular secondary powder-separating area of material by secondary sorting between fan housing 75；Rough material is passed through from 60 discharge of feed back outlet
First, which goes out to grind elevator 77, returns to 78 heavy grinding of grinding machine.In full dropping process of the material in the utility model after grinding, gas
Stream enters secondary powder-separating area under blower negative pressure effect, from four air inlets 59 on the circumference of air inlet spiral case 58, negative pressure wind
Carrying qualified material passes through wind guide vane 67 to return and is sorted again in a powder-separating area under suction.Carry the negative pressure wind of certified products
Across on grading wheel 68 graded blade, four scallop holes 64 of upper spreading disk 61 from fertilizer outlet 57 enter collectors 81 in point
From certified products enter in finished product system, purified air is discharged from wind turbine.
The principle of the present invention and embodiment are expounded invention applies specific case, above example is said
The bright method and its core concept for being merely used to help understand the present invention；Meanwhile for those of ordinary skill in the art, foundation
The thought of the present invention, in specific embodiments and applications there will be changes.To sum up, the content of the present specification should not manage
It solves as limitation of the present invention.
Claims (10)
1. a kind of grinding device, it is characterised in that：Including the first grinding system, the second grinding system and third grinding system, institute
The feed inlet for stating the first grinding system, the second grinding system and third grinding system is both provided with raw material feed arrangement, and described
The discharge port of one grinding system, the second grinding system and third grinding system passes through the charging of dispensing homogenizer and batch mixer
Mouth is connected.
2. grinding device according to claim 1, it is characterised in that：The raw material feed arrangement includes raw material store, skin
Belt scale and adhesive tape conveyor, the feed inlet of the belt conveyer scale are connected with the discharge port of the raw material store, and the belt conveyer scale goes out
Material mouth is connected with the adhesive tape conveyor, and the adhesive tape conveyor passes through raw material elevator and first grinding system, the
Two grinding systems are connected with the feed inlet of third grinding system.
3. grinding device according to claim 1, it is characterised in that：First grinding system includes ball mill, described
The feed inlet of ball mill is connected with the raw material feed arrangement, and the discharge port of the ball mill passes through the first filler elevator and institute
The feed inlet for stating dispensing homogenizer is connected, and the raw material feed arrangement and the ball mill are logical by air draft pipe and first
Wind deduster is connected.
4. grinding device according to claim 2, it is characterised in that：Second grinding system includes the first combined type point
Select Vertical Mill, the first coarse powder dust-precipitator, the first reshaping ball grinder, high thin powder concentrator and micro mist dust-precipitator, first combined type point
The both ends of the feed inlet and the first discharge port of Vertical Mill respectively with the raw material elevator is selected to be connected, and first combined type sorts
Second discharge port of Vertical Mill is connected with the feed inlet of the first coarse powder dust-precipitator, the discharge port of the first coarse powder dust-precipitator with
The feed inlet of first reshaping ball grinder is connected, the discharge port of first reshaping ball grinder by the second filler elevator with
The feed inlet of the high thin powder concentrator is connected, and the first discharge port of the high thin powder concentrator and first reshaping ball grinder
Feed inlet is connected, and the second discharge port of the high thin powder concentrator is connected with the feed inlet of the micro mist dust-precipitator, and the micro mist is received
The discharge port of dirt device is connected with the feeding mouth of the dispensing homogenizer, and the micro mist dust-precipitator and first coarse powder gather dust
Device is connected with ventilation blower.
5. grinding device according to claim 2, it is characterised in that：The third grinding system includes the second combined type point
Select Vertical Mill, the second coarse powder dust-precipitator and the second reshaping ball grinder, the second combined type sorting Vertical Mill feed inlet and the first discharging
Both ends mouthful respectively with the raw material elevator are connected, and the second discharge port of second combined type sorting Vertical Mill and described the
The feed inlet of two coarse powder dust-precipitators is connected, the charging of the discharge port of the second coarse powder dust-precipitator and second reshaping ball grinder
Mouthful it is connected, the discharge port of second reshaping ball grinder is provided with the second dust removal by ventilation device, and second reshaping ball grinder
Discharge port is connected by third filler elevator with the dispensing homogenizer.
6. grinding device according to claim 1, it is characterised in that：The dispensing homogenizer includes homogenizing storehouse and rotor
Scale, the feeding mouth of the rotor weigher are connected with the discharge port of the homogenizing storehouse, the discharge port of the rotor weigher and the batch mixer
Feed inlet be connected.
7. a kind of grinding method, which is characterized in that include the following steps：A, according to the different characteristics and admixture for blending material most
Raw material are divided into easily mill component, the narrow grain size component of difficult mill and difficult mill wide particle diameter component by the demand of big packing density；B, it is described easy
It grinds component and enters the first grinding system after the metering of raw material feed arrangement, the difficult narrow grain size component of mill is through raw material feed arrangement meter
Enter the second grinding system after amount, the difficult mill wide particle diameter component enters third grinding system after the metering of raw material feed arrangement；
C, the material after above-mentioned grinding system grinding respectively enters dispensing homogenizer, is passed through after dispensing homogenizer homogenizing, metering
Entire production process can be completed in batch mixer batch mixing.
8. grinding method according to claim 7, it is characterised in that：Each component enters raw material store in the step B, percutaneously
After belt scale metering, respective grinding system is delivered to through the promotion of raw material elevator by adhesive tape conveyor；In first grinding system
The easy mill component initially enters grinding in ball mill, and the material of material and the recycling of the first dust removal by ventilation device after grinding passes through together
First filler elevator delivers into dispensing homogenizer homogenizing；Described in second grinding system it is difficult grind narrow grain size component first into
Enter sorting, grinding in the first combined type sorting Vertical Mill, the material after grinding returns to the sorting of the first combined type through raw material elevator again
It is sorted in Vertical Mill, large granular materials, which fall to returning in the first combined type sorting Vertical Mill, re-starts grinding, and coarse powder material is by first
Coarse powder dust-precipitator takes in shaping in the first reshaping ball grinder, grinding, and the powder after shaping, grinding is promoted through the second filler elevator
It is sorted in into high thin powder concentrator, middle coarse powder returns to reformation in the first reshaping ball grinder, grinding, and micro mist is received through micro mist dust-precipitator
Collection, which enters in dispensing homogenizer, to be homogenized；Difficult mill wide particle diameter composition described in third grinding system initially enters the second combined type point
Select sorting, grinding in Vertical Mill；Material after grinding is returned through raw material elevator in the second combined type sorting Vertical Mill again to be sorted, greatly
Granule materials, which fall, returns to weight grinding in the second combined type sorting Vertical Mill, and coarse powder material is collected by the second coarse powder dust-precipitator enters the
Shaping, grinding in two reshaping ball grinders, the powder after shaping, grinding are lifted into dispensing homogenizer through third filler elevator
Interior homogenizing.
9. grinding method according to claim 7, it is characterised in that：Material initially enters homogenizing storehouse homogenizing in the step C,
Material after change can obtain required product after rotor weigher measures into the batch mixer batch mixing.
10. grinding method according to claim 7, it is characterised in that：It is described it is easy mill component material grinding during belt conveyer scale with
The gas dirt divulged information in the dust and ball mill of adhesive tape conveyor interface is together through the separation of the first dust removal by ventilation device, purification heel row
Go out；The difficult dust for grinding belt conveyer scale and adhesive tape conveyor interface during narrow grain size component material grinding is from the first combined type
The gas dirt that air port below sorting Vertical Mill enters in the first combined type sorting Vertical Mill and in the first combined type sorting Vertical Mill draws together
Enter the first coarse powder dust-precipitator detached, purify after discharge, the gas dirt in the first reshaping ball grinder and the gas dirt in high thin powder concentrator
It is discharged after being detached, purified into micro mist dust-precipitator together；During the difficult mill wide particle diameter component material grinding belt conveyer scale with
The dust of adhesive tape conveyor interface enters from the air port below the second combined type sorting Vertical Mill in the second combined type sorting Vertical Mill
With the second combined type sorting Vertical Mill in gas dirt be concomitantly introduced into the second coarse powder dust-precipitator detached, purify after discharge, the second shaping
Gas dirt in ball mill is discharged after the second dust removal by ventilation device is detached, purified.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458661.9A CN108160292A (en) | 2017-12-28 | 2017-12-28 | A kind of grinding device and grinding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458661.9A CN108160292A (en) | 2017-12-28 | 2017-12-28 | A kind of grinding device and grinding method |
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| CN108160292A true CN108160292A (en) | 2018-06-15 |
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| CN201711458661.9A Pending CN108160292A (en) | 2017-12-28 | 2017-12-28 | A kind of grinding device and grinding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110228957A (en) * | 2019-06-20 | 2019-09-13 | 梅州市永恒建材有限公司 | A kind of novel concrete production equipment and the method using equipment production cement |
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