CN104710791A - Processing method of 200-mesh silicone rubber powder - Google Patents
Processing method of 200-mesh silicone rubber powder Download PDFInfo
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- CN104710791A CN104710791A CN201310673570.2A CN201310673570A CN104710791A CN 104710791 A CN104710791 A CN 104710791A CN 201310673570 A CN201310673570 A CN 201310673570A CN 104710791 A CN104710791 A CN 104710791A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The invention belongs to the technical field of waste and old rubber recovery and utilization, and specifically relates to a processing method of 200-mesh silicone rubber powder. A normal-temperature machinery processing method is adopted, the leftovers of waste and old silicone rubber are washed, impurities are removed, then the silicone rubber leftovers are grinded, metals in the leftovers are removed through magnetic separation, the leftovers are grinded for several times, auxiliary agents are added, and finally the mixture is grinded so as to prepare the 200-mesh silicone rubber powder. The particle size of rubber particles, which are prepared through grinding rubber by a normal machine, is too large, and the provided processing method solves the problem mentioned above. Moreover, the performance of the material processed by the provided processing method is greatly better than that of rubber powder, which is produced by a freezing method. The waste and old silicone rubber leftovers can be recycled, the environmental pollution is reduced, and the wastes are converted into valuable resources. The particle size of the rubber powder reaches the 200-mesh level, thus the application range of the rubber powder is enlarged to fields of rubber filling and blending, plastic toughening modification, paint toughening modification, and the like, and the rubber powder can be used to produce products having advantages of wear resistance, no odor, no toxicity, alkali resistance, acid resistance, and corrosion resistance.
Description
Technical field
The invention belongs to waste old recovery and utilization technology field, be specifically related to a kind of 200 order silicon rubber powder processing methods.
Background technology
Along with the growth of silicon rubber (comprising rubber unvulcanizate and liquid silastic) productive consumption amount, the silicon rubber scrap stock produced in sulfidization molding processing and the useless silicon rubber formed in applying, just increase sharply, stack everywhere, not only take large quantity space, be degrading environment, therefore rationally waste silicone rubber is recycled, make full use of renewable resources, turn waste into wealth, significant.
In waste silicone rubber, siloxanes rubber was cross-linked already, but cross-linking density is little, thus the sizing material that again can coordinate processing sulfuration application can be converted it into by depolymerization (the being commonly called as cracking) reaction of appropriateness, also annular siloxane intermediate (Me2SiO) n (n=3 to 10) can be cracked into, and even silane monomer, they are reused for and prepare rubber, but the cost of above-mentioned depolymerization and cracking is higher, operation is comparatively complicated, Given this, in the urgent need to a kind of less energy consumption, lower-cost waste silicone rubber reuse method.
Summary of the invention
The invention provides a kind of 200 order silicon rubber powder processing methods, to solve the above-mentioned defect existed in prior art.
For realizing object of the present invention, the invention provides a kind of 200 order silicon rubber powder processing methods, described working method comprises the following step carried out in order:
1) useless silicon rubber tankage are manually carried out color separation processing, then clean and remove impurity, utilize permanent magnetic separator to carry out magnetic separation to remove metal object afterwards;
2) cutter cut rubber crushing machine is utilized to be broken into many rhombuses rubber crumb of 3-5cm the above-mentioned rubber raw materials through magnetic separation;
3) above-mentioned many rhombuses rubber crumb utilized permanent magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber bould crusher to be broken into the rubber grain of 4-6mm;
4) utilized by above-mentioned rubber grain dry powder magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber medium crusher to be broken into the rubber small-particle of 1-2mm;
5) dry powder magnetic separator is utilized by above-mentioned rubber small-particle to carry out magnetic separation to remove metal object, then rubber crusher is utilized to grind, add the additive accounting for rubber small-particle total amount 2-4% simultaneously, the superoxide of 1-2% and the strengthening agent of 3-6% also mix, wherein additive is selected from calcium carbonate, diatomite, magnesiumcarbonate, potter's clay, Mierocrystalline cellulose, calcium sulfate, mica powder, wollastonite, at least four kinds in titanium dioxide and white clay, superoxide is selected from dicumyl peroxide, tert butyl permaleic acid, lauroyl peroxide, at least two kinds in stearoyl and benzoyl peroxide, strengthening agent is selected from white carbon black, calcium silicate hydrate, at least two kinds in carbon black and hydrated aluminium silicate, powder machine is finally utilized to carry out fine grinding and make meticulous silicon rubber powder,
6) utilize high frequency vibrating screen to screen in above-mentioned meticulous silicon rubber powder, namely make 200 described order silicon rubber powder.
Preferably, described step 6) screen specification of medium-high frequency vibration sieve is DIN4188/mm standard 0.075.
The present invention adopts the method for normal temperature mechanical workout and interpolation auxiliary agent to process useless silicon rubber tankage, because technological design is reasonable, solve the problem that rubber grain particle diameter after common machines pulverization process is excessive, the geometry material performance obtained after simultaneously pulverizing is better than the rubber powder that freezing method is produced greatly, and energy consumption is low, turn waste into wealth, solve useless silicon rubber and directly abandon and the problem of environmental pollution caused.In addition, because the granularity of product can reach 200 orders, therefore its Application Areas can be made to expand to the fields such as rubber filling is blended, plastic toughening modification, paint, coating toughening modifying, not only expand the range of application of silicon rubber powder, and product can be made to have wear-resisting, nontoxic, tasteless, acid and alkali-resistance, the performance such as corrosion-resistant.
Embodiment
In order to make object of the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be understood to specific embodiment described herein only in order to explain the present invention, be not limited to protection scope of the present invention.
Embodiment 1
A kind of 200 order silicon rubber powder processing methods provided by the invention comprise the following step carried out in order:
1) the useless silicon rubber tankage of shades of colour are manually carried out color separation processing, then clean and remove the impurity such as such as earth, aggregate chips, dry goods, paper, utilizing permanent magnetic separator to carry out magnetic separation to remove metal object afterwards;
2) cutter cut rubber crushing machine is utilized to be broken into many rhombuses rubber crumb of 3-5cm the above-mentioned rubber raw materials through magnetic separation;
3) above-mentioned many rhombuses rubber crumb utilized permanent magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber bould crusher to be broken into the rubber grain of 4-6mm;
4) utilized by above-mentioned rubber grain dry powder magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber medium crusher to be broken into the rubber small-particle of 1-2mm;
5) dry powder magnetic separator is utilized by above-mentioned rubber small-particle to carry out magnetic separation to remove metal object, then rubber crusher is utilized to grind, add the additive accounting for rubber small-particle total amount 2% simultaneously, the superoxide of 1% and the strengthening agent of 3% also mix, wherein additive is by 0.5% calcium carbonate, 0.5% diatomite, 0.5% potter's clay and 0.5% titanium dioxide composition, superoxide is made up of 0.5% tert butyl permaleic acid and 0.5% stearoyl, strengthening agent is made up of 1% white carbon black and 2% hydrated aluminium silicate, powder machine is finally utilized to carry out fine grinding and make meticulous silicon rubber powder,
6) utilize the high frequency vibrating screen that DIN4188/mm standard 0.075 filter screen is housed to screen in above-mentioned meticulous silicon rubber powder, namely make 200 described order silicon rubber powder.
Embodiment 2
A kind of 200 order silicon rubber powder processing methods provided by the invention comprise the following step carried out in order:
1) the waste old tankage of shades of colour are manually carried out color separation processing, then clean and remove the impurity such as such as earth, aggregate chips, dry goods, paper, utilizing permanent magnetic separator to carry out magnetic separation to remove metal object afterwards;
2) cutter cut rubber crushing machine is utilized to be broken into many rhombuses rubber crumb of 3-5cm the above-mentioned rubber raw materials through magnetic separation;
3) above-mentioned many rhombuses rubber crumb utilized permanent magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber bould crusher to be broken into the rubber grain of 4-6mm;
4) utilized by above-mentioned rubber grain dry powder magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber medium crusher to be broken into the rubber small-particle of 1-2mm;
5) dry powder magnetic separator is utilized by above-mentioned rubber small-particle to carry out magnetic separation to remove metal object, then rubber crusher is utilized to grind, add the additive accounting for rubber small-particle total amount 3% simultaneously, the superoxide of 1.5% and the strengthening agent of 5% also mix, wherein additive is by 1% diatomite, 1% magnesiumcarbonate, 0.5% calcium sulfate and 0.5% mica powder composition, superoxide is by 0.5% benzoyl peroxide, 0.5% dicumyl peroxide and 0.5% tert butyl permaleic acid composition, strengthening agent is by 2% calcium silicate hydrate, 1% carbon black and 2% hydrated aluminium silicate composition, powder machine is finally utilized to carry out fine grinding and make meticulous silicon rubber powder,
6) utilize the high frequency vibrating screen that DIN4188/mm standard 0.075 filter screen is housed to screen in above-mentioned meticulous silicon rubber powder, namely make 200 described order silicon rubber powder.
Embodiment 3
A kind of 200 order silicon rubber powder processing methods provided by the invention comprise the following step carried out in order:
1) the waste old tankage of shades of colour are manually carried out color separation processing, then clean and remove the impurity such as such as earth, aggregate chips, dry goods, paper, utilizing permanent magnetic separator to carry out magnetic separation to remove metal object afterwards;
2) cutter cut rubber crushing machine is utilized to be broken into many rhombuses rubber crumb of 3-5cm the above-mentioned rubber raw materials through magnetic separation;
3) above-mentioned many rhombuses rubber crumb utilized permanent magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber bould crusher to be broken into the rubber grain of 4-6mm;
4) utilized by above-mentioned rubber grain dry powder magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber medium crusher to be broken into the rubber small-particle of 1-2mm;
5) dry powder magnetic separator is utilized by above-mentioned rubber small-particle to carry out magnetic separation to remove metal object, then rubber crusher is utilized to grind, add the additive accounting for rubber small-particle total amount 4% simultaneously, the superoxide of 2% and the strengthening agent of 6% also mix, wherein additive is by 0.5% calcium carbonate, 0.5% diatomite, 0.5% magnesiumcarbonate, 0.5% potter's clay, 0.5% Mierocrystalline cellulose, 0.5% calcium sulfate, 0.5% wollastonite and 0.5% titanium dioxide composition, superoxide is by 0.5% dicumyl peroxide, 0.5% tert butyl permaleic acid, 0.5% lauroyl peroxide and 0.5% benzoyl peroxide composition, strengthening agent is by 1.5% white carbon black, 1.5% calcium silicate hydrate, 1.5% carbon black and 1.5% hydrated aluminium silicate composition, powder machine is finally utilized to carry out fine grinding and make meticulous silicon rubber powder,
6) utilize the high frequency vibrating screen that DIN4188/mm standard 0.075 filter screen is housed to screen in above-mentioned meticulous silicon rubber powder, namely make 200 described order silicon rubber powder.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. 200 order silicon rubber powder processing methods, it is characterized in that, described working method comprises the following step carried out in order:
1) useless silicon rubber tankage are manually carried out color separation processing, then clean and remove impurity, utilize permanent magnetic separator to carry out magnetic separation to remove metal object afterwards;
2) cutter cut rubber crushing machine is utilized to be broken into many rhombuses rubber crumb of 3-5cm the above-mentioned rubber raw materials through magnetic separation;
3) above-mentioned many rhombuses rubber crumb utilized permanent magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber bould crusher to be broken into the rubber grain of 4-6mm;
4) utilized by above-mentioned rubber grain dry powder magnetic separator to carry out magnetic separation to remove metal object, then utilize rubber medium crusher to be broken into the rubber small-particle of 1-2mm;
5) dry powder magnetic separator is utilized by above-mentioned rubber small-particle to carry out magnetic separation to remove metal object, then rubber crusher is utilized to grind, add additive, superoxide and strengthening agent simultaneously and mix, finally utilizing powder machine carry out fine grinding and make meticulous silicon rubber powder;
6) utilize high-frequency vibration mesh screen to screen in above-mentioned meticulous silicon rubber powder, namely make 200 described order silicon rubber powder.
2. according to claim 1, a kind of 200 order silicon rubber powder processing methods, it is characterized in that, described step 5) in add the additive accounting for rubber small-particle total amount 2-4%, the superoxide of 1-2% and the strengthening agent of 3-6% also mix, wherein additive is selected from calcium carbonate, diatomite, magnesiumcarbonate, potter's clay, Mierocrystalline cellulose, calcium sulfate, mica powder, wollastonite, at least four kinds in titanium dioxide and white clay, superoxide is selected from dicumyl peroxide, tert butyl permaleic acid, lauroyl peroxide, at least two kinds in stearoyl and benzoyl peroxide, strengthening agent is selected from white carbon black, calcium silicate hydrate, at least two kinds in carbon black and hydrated aluminium silicate.
3. according to claim 1, a kind of 200 order silicon rubber powder processing methods, is characterized in that, described step 6) screen specification of medium-high frequency vibration sieve is DIN4188/mm standard 0.075.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310673570.2A CN104710791A (en) | 2013-12-13 | 2013-12-13 | Processing method of 200-mesh silicone rubber powder |
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| CN201310673570.2A CN104710791A (en) | 2013-12-13 | 2013-12-13 | Processing method of 200-mesh silicone rubber powder |
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| CN104710791A true CN104710791A (en) | 2015-06-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393491A (en) * | 2016-10-28 | 2017-02-15 | 四川邑诚科技有限公司 | Automatic environment-friendly rubber crusher and waste rubber receiving method |
| CN106393480A (en) * | 2016-10-28 | 2017-02-15 | 四川邑诚科技有限公司 | Automatic and efficient rubber crusher and waste rubber receiving method |
| CN106541517A (en) * | 2016-10-28 | 2017-03-29 | 四川邑诚科技有限公司 | A kind of efficient rubber gel breaking machine and waste old recovery method |
| CN106564142A (en) * | 2016-10-28 | 2017-04-19 | 四川邑诚科技有限公司 | Environment-friendly rubber crusher and recycling method for waste rubber |
| CN106626145A (en) * | 2016-10-28 | 2017-05-10 | 四川邑诚科技有限公司 | Safe rubber crusher and waste rubber recycling method |
| CN106626147A (en) * | 2016-10-28 | 2017-05-10 | 四川邑诚科技有限公司 | Anti-sticking rubber breaking machine and waste rubber recycling method |
-
2013
- 2013-12-13 CN CN201310673570.2A patent/CN104710791A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393491A (en) * | 2016-10-28 | 2017-02-15 | 四川邑诚科技有限公司 | Automatic environment-friendly rubber crusher and waste rubber receiving method |
| CN106393480A (en) * | 2016-10-28 | 2017-02-15 | 四川邑诚科技有限公司 | Automatic and efficient rubber crusher and waste rubber receiving method |
| CN106541517A (en) * | 2016-10-28 | 2017-03-29 | 四川邑诚科技有限公司 | A kind of efficient rubber gel breaking machine and waste old recovery method |
| CN106564142A (en) * | 2016-10-28 | 2017-04-19 | 四川邑诚科技有限公司 | Environment-friendly rubber crusher and recycling method for waste rubber |
| CN106626145A (en) * | 2016-10-28 | 2017-05-10 | 四川邑诚科技有限公司 | Safe rubber crusher and waste rubber recycling method |
| CN106626147A (en) * | 2016-10-28 | 2017-05-10 | 四川邑诚科技有限公司 | Anti-sticking rubber breaking machine and waste rubber recycling method |
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Application publication date: 20150617 |
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