CN112619557A - Large-particle dry preparation process - Google Patents
Large-particle dry preparation process Download PDFInfo
- Publication number
- CN112619557A CN112619557A CN202011609615.6A CN202011609615A CN112619557A CN 112619557 A CN112619557 A CN 112619557A CN 202011609615 A CN202011609615 A CN 202011609615A CN 112619557 A CN112619557 A CN 112619557A
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- China
- Prior art keywords
- powder
- preparation process
- dry preparation
- pigment
- particles
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/22—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by pressing in moulds or between rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/30—Mixing gases with solids
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Finishing Walls (AREA)
Abstract
The invention discloses and provides a large-particle dry preparation process which is simple, convenient, efficient, rapid and low in cost. The invention comprises the following steps: A. regulating and controlling the moisture of the powder; B. adding pigment into the powder and carrying out dry mixing to ensure that the pigment is attached to the surface of the powder particles; C. b, performing spray humidification on the mixed toner obtained in the step B; D. c, rolling and granulating the mixed powder obtained in the step C; F. and D, screening and molding the particles obtained in the step D. The invention is suitable for the field of large-particle production and processing of external wall tiles.
Description
Technical Field
The invention relates to a dry preparation process of large particles.
Background
In China, the market demand of building external wall tiles which closely surround the concomitance of the house property is huge due to unprecedented development of the house property industry in recent years. The large particles are an important decoration means of the stone-like brick of the outer wall, the traditional large particle preparation process is wet granulation, and the steps are as follows: slurry pumping → color mixing → material spraying → warehousing → granulation, namely, the slurry containing the pigment is firstly spray-dried into powder of 40-100 meshes, and then the spray material is made into large particles, so the method has complicated flow and low efficiency.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a large-particle dry preparation process with simple, convenient, efficient and quick process and low cost.
The invention comprises the following steps:
A. regulating and controlling the moisture of the powder;
B. adding pigment into the powder and carrying out dry mixing to ensure that the pigment is attached to the surface of the powder particles;
C. b, performing spray humidification on the mixed toner obtained in the step B;
D. c, rolling and granulating the mixed powder obtained in the step C;
F. and D, screening and molding the particles obtained in the step D.
Further, in the step A, the moisture content of the powder is regulated to 5.5-7.5%.
Further, in step B, the dry mixing time is 85 to 100 seconds.
Further, in step B, the amount of colorant added is 1.8% -2.4% by weight.
The invention has the beneficial effects that: according to the invention, the powder spraying with controlled powder moisture is directly added with the pigment to mix and color the dry materials, then the mixture is sprayed and humidified, and then the mixture is rolled, granulated and screened to form the product, so that the production process flow of large floor tile particles is greatly reduced compared with the conventional wet-process granulation, the efficiency is higher, the equipment occupation is saved, and the cost is saved.
Detailed Description
The invention comprises the following steps:
A. regulating and controlling the moisture of the powder to 6%;
B. adding a pigment into the powder and carrying out dry mixing, wherein the amount of the added pigment is 2.0 percent by percentage, and the dry mixing time is 90 seconds, so that the pigment is attached to the surface of the powder particles;
C. b, performing spray humidification on the mixed toner obtained in the step B;
D. c, rolling and granulating the mixed powder obtained in the step C;
F. and D, screening and molding the particles obtained in the step D.
In the invention, the raw materials of the powder comprise the following components in percentage by weight: 10-15% of Yichun low-temperature mud, 35-45% of Henyang sodium sand, 10-15% of Yichun high-white sand, 1-3% of bentonite, 28-32% of Henyang white mud and 3-5% of talc mud.
The preparation process of the powder comprises the following steps: material preparation, ball milling, slurry property adjustment, sieving and powder spraying.
The invention is suitable for the field of large-particle production and processing of external wall tiles.
Claims (4)
1. A dry preparation process of large particles is characterized by comprising the following steps:
A. regulating and controlling the moisture of the powder;
B. adding pigment into the powder and carrying out dry mixing to ensure that the pigment is attached to the surface of the powder particles;
C. b, performing spray humidification on the mixed toner obtained in the step B;
D. c, rolling and granulating the mixed powder obtained in the step C;
E. and D, screening and molding the particles obtained in the step D.
2. The dry preparation process of large particles according to claim 1, wherein: in the step A, the moisture of the powder is regulated to 5.5-7.5%.
3. The dry preparation process of large particles according to claim 1, wherein: in step B, the dry mixing time is 85-100 seconds.
4. The dry preparation process of large particles according to claim 1, wherein: in step B, the amount of colorant added is 1.8% -2.4% by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011609615.6A CN112619557A (en) | 2020-12-31 | 2020-12-31 | Large-particle dry preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011609615.6A CN112619557A (en) | 2020-12-31 | 2020-12-31 | Large-particle dry preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112619557A true CN112619557A (en) | 2021-04-09 |
Family
ID=75286640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011609615.6A Pending CN112619557A (en) | 2020-12-31 | 2020-12-31 | Large-particle dry preparation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112619557A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104926318A (en) * | 2015-06-03 | 2015-09-23 | 宜昌林峰设备制造有限公司 | Method for preparing ceramic tile raw material according to dry method |
| CN107116675A (en) * | 2017-06-26 | 2017-09-01 | 广东清远蒙娜丽莎建陶有限公司 | Dry method illusion-colour particle, Ceramic Tiles of micro mist composite decoration and preparation method thereof |
| CN111775281A (en) * | 2020-07-23 | 2020-10-16 | 山东义科节能科技股份有限公司 | Drying-free short-process preparation method of grey tile based on dry process |
-
2020
- 2020-12-31 CN CN202011609615.6A patent/CN112619557A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104926318A (en) * | 2015-06-03 | 2015-09-23 | 宜昌林峰设备制造有限公司 | Method for preparing ceramic tile raw material according to dry method |
| CN107116675A (en) * | 2017-06-26 | 2017-09-01 | 广东清远蒙娜丽莎建陶有限公司 | Dry method illusion-colour particle, Ceramic Tiles of micro mist composite decoration and preparation method thereof |
| CN111775281A (en) * | 2020-07-23 | 2020-10-16 | 山东义科节能科技股份有限公司 | Drying-free short-process preparation method of grey tile based on dry process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |