CN105855015A - Depolymerization process and device for nano-powder - Google Patents
Depolymerization process and device for nano-powder Download PDFInfo
- Publication number
- CN105855015A CN105855015A CN201610200080.4A CN201610200080A CN105855015A CN 105855015 A CN105855015 A CN 105855015A CN 201610200080 A CN201610200080 A CN 201610200080A CN 105855015 A CN105855015 A CN 105855015A
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- Prior art keywords
- powder
- depolymerizer
- nano
- pulverizing
- depolymerization
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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
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/72—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices
- B01F27/724—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with a single helix closely surrounded by a casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting 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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B02C2013/2808—Shape or construction of beater elements the beater elements are attached to disks mounted on a shaft
Abstract
The invention provides a depolymerization process and device for nano-powder. The process comprises the following steps that a nano-powder aggregate is introduced into a crushing depolymerizing machine after being stirred and heated, depolymerized powder enters a cyclone collector, an activating agent is added into the collected powder, stirring is carried out for activation, and the depolymerized nano-powder is obtained. The problem that the nano-powder depolymerization effect is bad in the prior art is solved.
Description
Technical field
The present invention relates to machine-building manufacture field, particularly relate to technique and the dress of a kind of nano-powder depolymerization
Put.
Background technology
In recent years, along with progress and the continuous maturation of technique, the utilization of nano-powder of nano-powder technology
The most constantly expanded.It was verified that nano-powder is used for filling rubber and plastic, silicon cave glue, coating, oil
Ink etc. time, there is the performance being far superior to micron-sized powder, such as strengthening action is good, excellent in mechanical performance,
Outward appearance is finer and smoother.But, nano-powder in the fabrication process, especially produces in drying course
Agglomeration traits, make the excellent properties of nano-powder have a greatly reduced quality in actual use.Therefore, nano powder
The depolymerization process of body and complete set of equipments become a vital link.
Then, domestic pulverizer producer, for the deagglomeration problems of nano-powder, attempts using original pulverizing
Equipment and technique, the improvement also having made local having, but still there is a series of problem, effect is also
Undesirable, main following points:
1. by scanning electron microscope it is known that the fineness of the primary partical of nano-powder is typically from 20～90
Nanometer, but powder body is the thinnest, reunites the most serious, and depolymerization difficulty is the biggest.In existing process conditions
Under, owing to nano-powder is relatively light, so powder body the most with the wind circulation road is sucked away, can not get well
Depolymerization, therefore, powder body uses client the problem of " prostitute " (aggregate) the most often occur,
And have a strong impact on every mechanical property or aesthetic measure.
2. some producer is in order to overcome the problem of " powder is the thinnest ", employs pulverizing depolymerization system and classification system
The technology of system relative separation, the most external classification technique, although this technology alleviates to some extent " powder
Head " many, problem that powder is the thinnest, but the coarse powder returned is too many, causes yield degradation, energy consumption anxious
The new problem that speed rises.
3. electrostatic is also the key factor causing nano-powder to reunite.Therefore, place when nano-powder
After a period of time, due to Electrostatic Absorption, form again new aggregate.
4. nano-powder is in the fabrication process, in order to improve the blending with organic material, typically has interpolation
Various surface modifiers.But, the joint face of powder reuniting often its modifying agent covers not enough, therefore,
When coming into operation after powder body depolymerization completes, it is affected by certain with the blending of organic material.
In sum, under existing technique and appointed condition, it is big that the depolymerization of nano-powder becomes industry one
A difficult problem, seriously constrains the further development of nano-powder industry.
Summary of the invention
The technical problem to be solved in the present invention, is to provide depolymerization process and the device of a kind of nano-powder,
Solve the problem that in prior art, nano-powder depolymerization effect is bad.
The present invention is achieved in that the depolymerization process of a kind of nano-powder, comprises the steps, will receive
Rice flour body aggregate, after agitation, heating, introduces and pulverizes in depolymerizer, and the powder body after depolymerization enters whirlwind
In catcher, the powder body collected is added activator, be stirred activation, obtain the nano powder of depolymerization
Body.
Further, also include step, in pulverizing depolymerizer, spray activator in advance.
Preferably, also include step, the powder body after pulverizing depolymerizer depolymerization is destaticed.
Preferably, the powder body dust collector of cyclone collector separation to next stage is collected, and
Lead back to hot blast pulverize depolymerizer.
Present invention process by spraying activator in advance, the step such as preheats and improves the activation rate of nano-powder,
Improve depolymerization effect, reduce thermal waste also by the mode leading back to hot blast, reduce cost.
A kind of depolymerizer of nano-powder, including pulverize depolymerizer, described pulverizing depolymerizer include cylinder,
Charging aperture, hammer dish, tup and grader, described charging aperture is arranged at cylinder bottom side, and hammer dish is arranged at cylinder
Internal, described hammer dish can be rotated around core by power drive, and the circumference of hammer dish is additionally provided with tup,
Including the lower ram of the upper ram and lower surface being positioned at disk upper surface, described grader is positioned at cylinder top,
Grader discharging opening is connected with the discharging opening pulverizing depolymerizer.
Further, cyclone collector and emptying auger, described cyclone collector feed end and powder are also included
Broken depolymerizer discharging opening connects, and discharge end is connected with emptying auger feed end, and described emptying auger also includes
Sprayer unit, for carrying out sprinkling activator and being stirred to the material entered.
Preferably, described cyclone collector air outlet is connected with pulverizing depolymerizer feed end by return air duct.
Preferably, described cyclone collector air outlet is connected with return air duct by cleaner unit.
Specifically, described hammer dish is multiple, is coaxially disposed in cylinder on vertical direction, and described pulverizing solves
Poly-machine feed end also includes pulverizing sprayer unit, and described pulverizing sprayer unit is used for spraying activator
Specifically, the feed end of described pulverizing depolymerizer is also equipped with heating wire, and discharge end is also equipped with removing
Electrostatic net.
Wherein, cyclone collector refers to be entered the dust of different-grain diameter by the different air force of applying
Row screening, the equipment of collecting function.
Present invention have the advantage that 1. pass through electric heater unit and hot air circulating system, make nano-powder
Depolymehzation process is dried, is reduced water content, improved powder body class；And powder body is certain
Under hot conditions, its surfactant can be melted into molten, so follow-up stir-activating.
2., by the pulverizing depolymerization system with the forced service route of distance as characteristic, make nano-powder obtain
To sufficient depolymerization, the problem preventing " prostitute " (powder reuniting body).
3., by Destaticizing device, absorption is walked at the static guiding of powder surface, can effectively prevent depolymerization
After secondary agglomeration problem.
4., by continuous way emptying auger, make reunion face after untiing, obtain reactivating cladding, thus increase
The activation rate of powder body, improves the blending of powder body and organic material.
Accompanying drawing explanation
Fig. 1 is the depolymerization process flow chart of the nano-powder described in the specific embodiment of the invention；
Fig. 2 is the pulverizing depolymerizer profile described in the specific embodiment of the invention；
Fig. 3 is the hammer dish schematic diagram described in the specific embodiment of the invention；
Fig. 4 is the depolymerizer connection figure of the nano-powder described in the specific embodiment of the invention；
Emptying auger schematic diagram described in the specific embodiment of the invention of Fig. 5 position.
Description of reference numerals:
1, pedestal；
2, charging aperture；
3, bearing assembly；
4, gear ring (stator)；
5, lower ram；
6, upper ram；
7, hammer dish；
8, cylinder；
9, drain wall；
10, grader assembly；
11, qualified powder body discharging opening；
12, passage is destaticed；
13, net is destaticed；
14, cyclone collector；
15, cyclone Blowing stopper；
16, stir-activating machine；
17, nano-powder finished product discharging opening；
18, cleaner unit；
19, cleaner unit emptying auger；
20, cleaner unit discharging opening；
21, air-introduced machine；
22, return air duct；
23, heating wire.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below tie
Close embodiment and coordinate accompanying drawing to be explained in detail.
Refer to the depolymerization process flow chart that Fig. 1 is a kind of nano-powder of the present invention, comprise the steps,
By nano-powder aggregate after agitation, heating, introducing and pulverize in depolymerizer, the powder body after depolymerization enters
In cyclone collector, the powder body collected is added activator, be stirred activation, obtain receiving of depolymerization
Rice flour body.By aggregate being carried out agitation heating, it is possible to make powder body be beneficial to and surface when higher temperature
The haptoreaction of activating agent, utilizes pulverizing depolymerizer to impact aggregate, break up, and sufficiently fine is micro-
Grain is sent in cyclone collector, followed by stir-activating, has reached nano-powder is carried out depolymerization
Effect.
In certain embodiments, also include step, in pulverizing depolymerizer, spray activator in advance.Live
Pre-being sprayed with of agent the most fully activates, and make its in depolymerizer just can depolymerization as early as possible, save
Energy consumption.
In some other preferred embodiment, also include step, the powder body after pulverizing depolymerizer depolymerization is entered
Row destatics.The benefit carrying out destaticing also be the powder body preventing depolymerization due to Electrostatic Absorption effectiveness once again
Reunite, improve depolymerization efficiency.
In order to further save the energy and cost, cyclone collector is separated the powder body use to next stage
Dust collector is collected, and leads back to hot blast pulverize depolymerizer.Reusing of hot blast improves energy
Source utilization ratio, dust collector is collected powder body and be may be used for other purposes, reached product diversification
Effect.
The depolymerizer of a kind of nano-powder, including pulverizing depolymerizer, please see Figure 2 here, and described pulverizing solves
Poly-machine includes cylinder 8, charging aperture 2, hammer dish 7, tup 5 and grader 10, and described charging aperture is arranged at
Cylinder 8 bottom side, hammer dish 7 is arranged in cylinder 8, and described hammer dish 7 can be around core by power drive
Rotating, refer to Fig. 3 here, hammer dish 7 is rotated by bearing 3, and the circumference of hammer dish 7 is additionally provided with
Tup, including the lower ram 5 of the upper ram 6 and lower surface being positioned at disk upper surface, described grader 10
Being positioned at cylinder top, grader discharging opening is connected with the discharging opening pulverizing depolymerizer.In actual applications, 1
For pedestal；2 is air inlet, is also charging aperture simultaneously；3 is bearing assembly；4 is gear ring (stator)；5
For lower ram；6 is upper ram；7 is hammer dish；8 is cylinder；9 is drain wall；10 grader assemblies；
11 is qualified powder body discharging opening.Nano-powder raw material is drawn onto below hammer dish by charging aperture by distinguished and admirable, passes through
After lower ram is broken up, by the passage of Shan length, by multiple tracks tup and the depolymerization of gear ring institute in the passage of Shan length,
Arriving grader, qualified powder passes through grader, and underproof powder body is graded machine and gets rid of to drain wall,
Drop to hammer dish continue to pulverize.By above-mentioned pulverizing depolymerizer, reach to understand the poly-nano-powder of agglomerate
Effect.
In the embodiment as shown in fig .4, cyclone collector 14 and emptying auger 16, described rotation are also included
Wind catcher 14 feed end is connected with pulverizing depolymerizer discharging opening, discharge end and emptying auger 16 feed end
Connecting, described emptying auger also includes sprayer unit, for the material entered carrying out sprinkling activator also
It is stirred.The structure of described emptying auger 16 see Fig. 5, has rotating shaft and rotating shaft in internal cavity
The multi-layer oar blade driven, sprays activator to the powder body entering cavity and stirring can be effectively improved depolymerization effect
Really, preferably reach to understand the effect of the poly-nano-powder of agglomerate.
In preferred embodiment, described cyclone collector 14 air outlet is solved with pulverizing by return air duct 22
Poly-machine feed end connects.By the hot blast in device is re-used by return air duct, the group of rising first
The reaction temperature of aggressiveness so that it is can preferably react with activator, second can reduce energy consumption,
Problem that is cost-effective, that preferably solve nano-powder depolymerization.
In other preferred embodiments, described cyclone collector 14 air outlet is by cleaner unit 18 and returns
Wind pipeline 22 connects.Cyclone collector separates with the wind to the dust of subordinate, still has much valuable one-tenth
Point, this part powder being collected, or feeding cleaner unit emptying auger activates, depolymerization is all
Of course, improve product diversity by above-mentioned being designed to, save overall cost.
In some preferred embodiment, as in figure 2 it is shown, described hammer dish 7 is multiple, perpendicular in cylinder
Nogata is upwards coaxially disposed, it is possible to increase the strike effect to split aggregate, preferably carries out powder body solution
Poly-operation, described pulverizing depolymerizer feed end also includes pulverizing sprayer unit, and described pulverizing sprayer unit is used
In spraying activator, by spraying activator in advance, it is possible to make activator by split in pulverizing depolymerizer
The high temperature that mutually collision produces fully reacts, and significantly improves the efficiency of powder body depolymerization.
As shown in Figure 4, the feed end of described pulverizing depolymerizer is also equipped with heating wire 23, and discharge end is also pacified
Equipped with destaticing net 13.The effect of heating wire is supplementary heating, and the temperature improving powder body is beneficial to activation instead
The effect that carries of the carrying out answered and depolymerization, discharge end is installed and is destaticed net 13 and can reduce electrostatic adsorption and cause
Secondary agglomeration, thus reach improve depolymerization efficiency effect.
The foregoing is only embodiments of the invention, not thereby limit the scope of patent protection of the present invention,
Every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process conversion, or directly
Or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (10)
1. the depolymerization process of a nano-powder, it is characterised in that comprise the steps, by nano-powder
Aggregate, after agitation, heating, introduces and pulverizes in depolymerizer, and the powder body after depolymerization enters cyclone collector
In, the powder body collected is added activator, is stirred activation, obtains the nano-powder of depolymerization.
The depolymerization process of nano-powder the most according to claim 1, it is characterised in that also include step
Suddenly, in pulverizing depolymerizer, activator is sprayed in advance.
The depolymerization process of nano-powder the most according to claim 1, it is characterised in that also include step
Suddenly, the powder body after pulverizing depolymerizer depolymerization is destaticed.
The depolymerization process of nano-powder the most according to claim 1, it is characterised in that whirlwind is received
Storage separation is collected to the powder body dust collector of next stage, and leads back to hot blast pulverize depolymerizer.
5. the depolymerizer of a nano-powder, it is characterised in that include pulverizing depolymerizer, described pulverizing
Depolymerizer includes cylinder, charging aperture, hammer dish, tup and grader, and described charging aperture is arranged at the bottom of cylinder
Side, hammer dish is arranged in cylinder, and described hammer dish can be rotated around core by power drive, the circle of hammer dish
Week is additionally provided with tup, including the lower ram of the upper ram and lower surface being positioned at disk upper surface, and described point
Level machine is positioned at cylinder top, and grader discharging opening is connected with the discharging opening pulverizing depolymerizer.
The depolymerizer of nano-powder the most according to claim 5, it is characterised in that also include rotation
Wind catcher and emptying auger, described cyclone collector feed end is connected with pulverizing depolymerizer discharging opening, goes out
Material end is connected with emptying auger feed end, and described emptying auger also includes sprayer unit, for entrance
Material carries out spraying activator and being stirred.
The depolymerizer of nano-powder the most according to claim 6, it is characterised in that described whirlwind
Catcher air outlet is connected with pulverizing depolymerizer feed end by return air duct.
The depolymerizer of nano-powder the most according to claim 7, it is characterised in that described whirlwind
Catcher air outlet is connected with return air duct by cleaner unit.
The depolymerizer of nano-powder the most according to claim 5, it is characterised in that described hammer dish
For multiple, being coaxially disposed in cylinder on vertical direction, described pulverizing depolymerizer feed end also includes pulverizing
Sprayer unit, described pulverizing sprayer unit is used for spraying activator
The depolymerizer of nano-powder the most according to claim 5, it is characterised in that described powder
The feed end of broken depolymerizer is also equipped with heating wire, and discharge end is also equipped with destaticing net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200080.4A CN105855015B (en) | 2016-03-31 | 2016-03-31 | A kind of depolymerization process and device of nano-powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200080.4A CN105855015B (en) | 2016-03-31 | 2016-03-31 | A kind of depolymerization process and device of nano-powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105855015A true CN105855015A (en) | 2016-08-17 |
| CN105855015B CN105855015B (en) | 2018-08-21 |
Family
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| CN201610200080.4A Active CN105855015B (en) | 2016-03-31 | 2016-03-31 | A kind of depolymerization process and device of nano-powder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159388A (en) * | 2017-06-22 | 2017-09-15 | 明冠新材料股份有限公司 | The dispersal device and process for dispersing of superfine powder in a kind of coating |
| CN109015326A (en) * | 2018-10-31 | 2018-12-18 | 长沙万荣粉体设备科技有限公司 | A kind of stator and depolymerizer |
| CN113751178A (en) * | 2020-06-03 | 2021-12-07 | 贵州成智重工科技有限公司 | Impact dissociation sorting method and system for agglomerates |
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| CN113751178A (en) * | 2020-06-03 | 2021-12-07 | 贵州成智重工科技有限公司 | Impact dissociation sorting method and system for agglomerates |
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| Publication number | Publication date |
|---|---|
| CN105855015B (en) | 2018-08-21 |
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