CN1263813A - Classifying method for rubber powder - Google Patents
Classifying method for rubber powder Download PDFInfo
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- CN1263813A CN1263813A CN 00112739 CN00112739A CN1263813A CN 1263813 A CN1263813 A CN 1263813A CN 00112739 CN00112739 CN 00112739 CN 00112739 A CN00112739 A CN 00112739A CN 1263813 A CN1263813 A CN 1263813A
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- powder
- rubber
- rubber powder
- additive
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A process for classifying rubber powder includes such steps as mixing rubber powder with powdered additive in weight ratio of 100 : (0.5-10), kneading, and sievig with sieves of different meshes. Said additive is one or more strengthening agent and/or filler in (50-500)-mesh granularity for loosening the bound rubber powder, especially the used tyre rubber powder.
Description
The present invention relates to a kind of stage division of powder, particularly relate to a kind of stage division of rubber powder.
At present, the method of powder classification is a lot, as air current classifying, cross sieve classification etc., but for rubber powder, waste and used rubber tyre powder after crushed particularly, owing to have certain viscosity, adding to mix in the powder has fiber, makes it be mesh adhesion attitude shape, carries out sieve classification if adopt to sieve, there is very big difficulty, can't separates varigrained rubber powder.
The object of the present invention is to provide a kind of simple to operate, the stage division of the rubber powder that the performance and the purposes of rubber powder are not had influence.
The stage division of rubber powder of the present invention is, at first with rubber powder, or the waste and used rubber tyre powder after pulverizing carries out premixed with the additive powder in proportion, mixed proportion by weight at last, rubber powder: additive powder=100: 0.5～10, the granularity of rubber powder is generally 40～200 orders, the additive powder can be rubber one or more in reinforcing agent, also can be rubber one or more in inserts, it also can be the mixture of the two, as carbon black, calcium carbonate, talcum powder, potter's clay, clay powder and flyash etc., its granularity generally is controlled at 50～500 orders, uses the fineness of additive powder to decide according to the granularity and the purposes of rubber powder.After the premixed mixture is put into the kneading container, as the high speed kneader, its rotating speed generally is controlled at 500～5000 rev/mins, the kneading time was generally 1～5 minute, taking-up is cooled off naturally, selects for use the sieve of different meshes to carry out sieving separating at last, as adopting roller sieve etc.Obtain the finished product rubber powder of different meshes.
The advantage of the stage division of rubber powder of the present invention is simple to operate, and the additive powder does not influence the serviceability of rubber powder, and grading effect is good, is particularly suitable for the classification of waste and used rubber tyre powder after crushed.
Describe the embodiment of the invention below in detail.
Embodiment 1: waste and used rubber tyre powder 100 kilograms (40～150 orders) is after crushed carried out premixed with 0.8 kilogram of 325 purpose carbon black, then mixture is put into and mediated container, rotating speed is 1400 rev/mins, mediated 3 minutes, and took out, naturally cooling, sieve with 60,80 and 100 purpose sifting beds respectively, get fiber 8% (weight), 60 order rubber powders 21% (weight), 80 rubber powders 19% (weight) and 100 order rubber powders 52.8% (weight).
Embodiment 2: waste and used rubber tyre powder 100 kilograms (40～150 orders) is after crushed carried out premixed with 5 kilogram of 400 order talcum powder and 1 kilogram of 450 order flyash, then mixture is put into and mediated container, rotating speed is 2800 rev/mins, mediated 5 minutes, and took out, naturally cooling, sieve with 60,80 and 100 purpose sifting beds respectively, get fiber 8% (weight), 60 order rubber powders 42.8% (weight), 80 order rubber powders 25% (weight) and 100 order rubber powders 30.2% (weight).
Claims (2)
1, a kind of stage division of rubber powder, adopted sieve classification, it is characterized in that sieving the screening before, rubber powder and additive powder after pulverizing are carried out premixed, mixture being put into the kneading container mediates again, naturally cooling, select the sieve sieving separating of different meshes at last for use, wherein the additive powder is rubber one or more in reinforcing agent and/or the filler powder, and the granularity of control additive powder is at 50 orders～500 orders, mixed proportion connects listed as parts by weight, rubber powder: additive powder=100: 0.5～10.
2, the stage division of rubber powder according to claim 1 is characterized in that mediating the commentaries on classics degree is 500～5000 rev/mins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB00112739XA CN1149138C (en) | 2000-03-10 | 2000-03-10 | Classifying method for rubber powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB00112739XA CN1149138C (en) | 2000-03-10 | 2000-03-10 | Classifying method for rubber powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1263813A true CN1263813A (en) | 2000-08-23 |
| CN1149138C CN1149138C (en) | 2004-05-12 |
Family
ID=4582578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB00112739XA Expired - Fee Related CN1149138C (en) | 2000-03-10 | 2000-03-10 | Classifying method for rubber powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1149138C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819109A (en) * | 2014-02-14 | 2014-05-28 | 四川金摩尔环保新材料有限责任公司 | Processing method for waste old rubber powder used for cement-based material |
| CN106007542A (en) * | 2014-02-14 | 2016-10-12 | 四川金摩尔环保新材料有限责任公司 | High-strength flexural cement mortar stone product |
| CN106082742A (en) * | 2016-06-16 | 2016-11-09 | 四川金摩尔环保新材料有限责任公司 | A kind of cement original washing powder and in the application of cement concrete and application in highway construction thereof |
| CN114728444A (en) * | 2019-09-10 | 2022-07-08 | 里-马奇控股有限公司 | Turf filler separation system and method for separating dry or dried filler, such as from an artificial turf product |
-
2000
- 2000-03-10 CN CNB00112739XA patent/CN1149138C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819109A (en) * | 2014-02-14 | 2014-05-28 | 四川金摩尔环保新材料有限责任公司 | Processing method for waste old rubber powder used for cement-based material |
| CN103819109B (en) * | 2014-02-14 | 2016-07-13 | 四川金摩尔环保新材料有限责任公司 | A kind of waste rubber powder processing method for cement-based material |
| CN106007437A (en) * | 2014-02-14 | 2016-10-12 | 四川金摩尔环保新材料有限责任公司 | Rubber and cement matrix powder |
| CN106007542A (en) * | 2014-02-14 | 2016-10-12 | 四川金摩尔环保新材料有限责任公司 | High-strength flexural cement mortar stone product |
| CN106007435A (en) * | 2014-02-14 | 2016-10-12 | 四川金摩尔环保新材料有限责任公司 | Application of inorganic inert powder in concrete |
| CN106045397A (en) * | 2014-02-14 | 2016-10-26 | 四川金摩尔环保新材料有限责任公司 | Anti-compression anti-fracture rubber cement product |
| CN106045358A (en) * | 2014-02-14 | 2016-10-26 | 四川金摩尔环保新材料有限责任公司 | Method for improving compatibility and bonding performance of waste rubber particles and cement |
| CN106045356A (en) * | 2014-02-14 | 2016-10-26 | 四川金摩尔环保新材料有限责任公司 | Preparation method of high-strength anti-fracture cement paste stone products |
| CN106082742A (en) * | 2016-06-16 | 2016-11-09 | 四川金摩尔环保新材料有限责任公司 | A kind of cement original washing powder and in the application of cement concrete and application in highway construction thereof |
| CN114728444A (en) * | 2019-09-10 | 2022-07-08 | 里-马奇控股有限公司 | Turf filler separation system and method for separating dry or dried filler, such as from an artificial turf product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1149138C (en) | 2004-05-12 |
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