CN105800627A - Ultrafine grading purification technology for attapulgite clay - Google Patents
Ultrafine grading purification technology for attapulgite clay Download PDFInfo
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- CN105800627A CN105800627A CN201610138751.9A CN201610138751A CN105800627A CN 105800627 A CN105800627 A CN 105800627A CN 201610138751 A CN201610138751 A CN 201610138751A CN 105800627 A CN105800627 A CN 105800627A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
- C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
- C01B33/40—Clays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
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Abstract
The invention discloses an ultrafine grading purification technology for attapulgite clay. The technology comprises the following steps: (S1) carrying out primary impurity removal; (S2) crushing raw materials; (S3) adding a dispersant; (S4) stirring and carrying out acidifying treatment; (S5) carrying out modified treatment on a salt solution; (S6) carrying out wet-process grading treatment; (S7) carrying out centrifugal treatment; (S8) carrying out precipitation and extraction; (S9) carrying out drying treatment; and (S10) carrying out extruding and molding. The ultrafine grading purification technology is simple in step; the obtained attapulgite clay is relatively high in purity and small in particles; and a foundation is provided for fine application of attapulgite.
Description
Technical field
The present invention relates to attapulgite clay purifying technique field, be specially a kind of attapulgite clay super-refinement processing technique.
Background technology
Existing attapulgite clay purifying technique step is complicated, the slurry of higher concentration under relatively low centrifugal force cannot separating-purifying, therefore, it is difficult to obtain high-purity nano level attapulgite, raw material is carried out staged care by institute of existing attapulgite purifying technique U.S., therefore that the utilization ratio of raw material is relatively low.
Summary of the invention
It is an object of the invention to provide a kind of attapulgite clay super-refinement processing technique, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: a kind of attapulgite clay super-refinement processing technique, comprises the steps:
S1: preliminary remove impurity, carries out artificial remove impurity to attapulgite clay raw material, picks out the impurity of bulk and remove；
S2: raw material pulverizing, puts into the raw material passing through preliminary remove impurity ball milling and carries out attrition grinding, and the rotating speed of ball milling cylinder is defined to 60-80n/min, and the temperature of pulverizing is 20-25 degree Celsius, and pressure is 90-105 kPa, and the attrition grinding time is 5-26 minute；
S3: add dispersant, adds dispersant in ball milling, and proceeds attrition grinding, and milling time is 2-5 minute；
S4: stir and carry out acidification, the ground raw material completed is put into mixing plant, and in mixing plant, add acid solution, additive capacity is the acid solution of attapulgite clay raw material correspondence interpolation 2-7 part of every 100 parts of mass components, starting mixing plant after adding acid solution to be stirred, the time of stirring is 8-14 minute；
S5: saline solution modification, adds saline solution in the attapulgite clay raw material of acidification, and proceeds stirring, and ambient temperature during stirring is defined to 15-30 degree Celsius, and mixing time is 5-8 minute, and stirring completes；
S6: wet classification processes, and transfers in classifying equipoment by the attapulgite clay stirred, adds solvent and stirs 10-16 minute；
S7: centrifugal treating, dumps to raw material in centrifuge, is centrifuged processing, and the time is 1-5 minute；
S8: precipitation and extraction, precipitates the attapulgite clay solution after centrifugal treating, and the sedimentation time is 3-8 minute, carries out layering and extracts, be filled in the container of different stage after precipitation；
S9: dried, is dried process respectively to classified raw material；
S10: extrusion molding, carries out extrusion molding respectively by the raw material dried.
Preferably, the dispersant in described step S3 adopts stearmide, and dosage is 0.3-0.8 part, or adopts vinyl bis-stearamides, and dosage is 0.5-2 part, or adopts glyceryl tristearate, and dosage is 0.2-0.5 part.
Preferably, the acid solution in described step S4 adopts hydrochloric acid solution, and the concentration of hydrochloric acid is 33%-57%.
Preferably, the saline solution in described step S5 adopts Klorvess Liquid, and potassium chloride concentration is 18-27%, and Klorvess Liquid uses component to be 23-42 part.
Preferably, the drying means in described step S9 is thermal current seasoning, and dry air temperature is 112-145 degree Celsius, and drying time is 7-11 minute.
Compared with prior art, the invention has the beneficial effects as follows: this attapulgite clay super-refinement processing process structure is simple, by the use of novel dispersant, solve higher concentration slurry under relatively low centrifugal force cannot separating-purifying and be difficult to obtain high-purity nano level attapulgite problem, by the process for separating and purifying improved, attapulgite clay mineral is easily separated purification, obtain the technological parameter of stable high-purity high collection rate, particularly the ultra-fine attapulgite clay granule after purifying sorting is carried out staged care, its dynamics composition can be controlled further, the application that becomes more meticulous for realizing attapulgite provides the foundation.
Detailed description of the invention
It is clearly and completely described below in conjunction with the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
A kind of attapulgite clay super-refinement processing technique, comprises the steps:
S1: preliminary remove impurity, carries out artificial remove impurity to attapulgite clay raw material, picks out the impurity of bulk and remove；
S2: raw material pulverizing, puts into the raw material passing through preliminary remove impurity ball milling and carries out attrition grinding, and the rotating speed of ball milling cylinder is defined to 61n/min, and the temperature of pulverizing is 20 degrees Celsius, and pressure is 92 kPas, and the attrition grinding time is 7 minutes；
S3: add dispersant, adds dispersant in ball milling, and proceeds attrition grinding, and milling time is 2 minutes, and dispersant adopts stearmide, and dosage is 0.3 part；
S4: stir and carry out acidification, the ground raw material completed is put into mixing plant, and in mixing plant, add acid solution, additive capacity is the acid solution of the attapulgite clay raw material correspondence interpolation 2 parts of every 100 parts of mass components, start mixing plant after adding acid solution to be stirred, the time of stirring is 8 minutes, and acid solution adopts hydrochloric acid solution, and the concentration of hydrochloric acid is 33%；
S5: saline solution modification, saline solution is added in the attapulgite clay raw material of acidification, saline solution adopts Klorvess Liquid, potassium chloride concentration is 18%, Klorvess Liquid uses component to be 40 parts, and proceeds stirring, and ambient temperature during stirring is defined to 16 degrees Celsius, mixing time is 5 minutes, and stirring completes；
S6: wet classification processes, and transfers in classifying equipoment by the attapulgite clay stirred, adds solvent and stirs 11 minutes；
S7: centrifugal treating, dumps to raw material in centrifuge, is centrifuged processing, and the time is 1 minute；
S8: precipitation and extraction, precipitates the attapulgite clay solution after centrifugal treating, and the sedimentation time is 3 minutes, carries out layering and extracts, be filled in the container of different stage after precipitation；
S9: dried, is dried process respectively to classified raw material, and drying means is thermal current seasoning, and dry air temperature is 145 degrees Celsius, and drying time is 7 minutes；
S10: extrusion molding, carries out extrusion molding respectively by the raw material dried.
Embodiment 2
A kind of attapulgite clay super-refinement processing technique, comprises the steps:
S1: preliminary remove impurity, carries out artificial remove impurity to attapulgite clay raw material, picks out the impurity of bulk and remove；
S2: raw material pulverizing, puts into the raw material passing through preliminary remove impurity ball milling and carries out attrition grinding, and the rotating speed of ball milling cylinder is defined to 69n/min, and the temperature of pulverizing is 23 degrees Celsius, and pressure is 101 kPas, and the attrition grinding time is 10 minutes；
S3: add dispersant, adds dispersant in ball milling, and dispersant adopts glyceryl tristearate, and dosage is 0.4 part, and proceeds attrition grinding, and milling time is 4 minutes；
S4: stir and carry out acidification, the ground raw material completed is put into mixing plant, and in mixing plant, add acid solution, additive capacity is the acid solution of the attapulgite clay raw material correspondence interpolation 5 parts of every 100 parts of mass components, acid solution adopts hydrochloric acid solution, the concentration of hydrochloric acid is 47%, starts mixing plant and be stirred after adding acid solution, and the time of stirring is 9 minutes；
S5: saline solution modification, saline solution is added in the attapulgite clay raw material of acidification, saline solution adopts Klorvess Liquid, potassium chloride concentration is 21%, Klorvess Liquid uses component to be 31 parts, and proceeds stirring, and ambient temperature during stirring is defined to 23 degrees Celsius, mixing time is 7 minutes, and stirring completes；
S6: wet classification processes, and transfers in classifying equipoment by the attapulgite clay stirred, adds solvent and stirs 12 minutes；
S7: centrifugal treating, dumps to raw material in centrifuge, is centrifuged processing, and the time is 4 minutes；
S8: precipitation and extraction, precipitates the attapulgite clay solution after centrifugal treating, and the sedimentation time is 5 minutes, carries out layering and extracts, be filled in the container of different stage after precipitation；
S9: dried, is dried process, thermal current seasoning respectively to classified raw material, and dry air temperature is 131 degrees Celsius, and drying time is 8 minutes；
S10: extrusion molding, carries out extrusion molding respectively by the raw material dried.
Embodiment 3
A kind of attapulgite clay super-refinement processing technique, comprises the steps:
S1: preliminary remove impurity, carries out artificial remove impurity to attapulgite clay raw material, picks out the impurity of bulk and remove；
S2: raw material pulverizing, puts into the raw material passing through preliminary remove impurity ball milling and carries out attrition grinding, and the rotating speed of ball milling cylinder is defined to 79n/min, and the temperature of pulverizing is 25 degrees Celsius, and pressure is 105 kPas, and the attrition grinding time is 24 minutes；
S3: add dispersant, adds dispersant in ball milling, and dispersant adopts glyceryl tristearate, and dosage is 0.5 part, and proceeds attrition grinding, and milling time is 4 minutes；
S4: stir and carry out acidification, the ground raw material completed is put into mixing plant, and in mixing plant, add acid solution, additive capacity is the acid solution of the attapulgite clay raw material correspondence interpolation 6 parts of every 100 parts of mass components, acid solution adopts hydrochloric acid solution, the concentration of hydrochloric acid is 55%, starts mixing plant and be stirred after adding acid solution, and the time of stirring is 13 minutes；
S5: saline solution modification, saline solution is added in the attapulgite clay raw material of acidification, saline solution adopts Klorvess Liquid, potassium chloride concentration is 26%, Klorvess Liquid uses component to be 41 parts, and proceeds stirring, and ambient temperature during stirring is defined to 28 degrees Celsius, mixing time is 5 minutes, and stirring completes；
S6: wet classification processes, and transfers in classifying equipoment by the attapulgite clay stirred, adds solvent and stirs 14 minutes；
S7: centrifugal treating, dumps to raw material in centrifuge, is centrifuged processing, and the time is 5 minutes；
S8: precipitation and extraction, precipitates the attapulgite clay solution after centrifugal treating, and the sedimentation time is 8 minutes, carries out layering and extracts, be filled in the container of different stage after precipitation；
S9: dried, is dried process, thermal current seasoning respectively to classified raw material, and dry air temperature is 145 degrees Celsius, and drying time is 11 minutes；
S10: extrusion molding, carries out extrusion molding respectively by the raw material dried.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, being appreciated that and these embodiments can be carried out multiple change, amendment, replacement and modification without departing from the principles and spirit of the present invention, the scope of the present invention be defined by the appended.
Claims (5)
1. an attapulgite clay super-refinement processing technique, it is characterised in that comprise the steps:
S1: preliminary remove impurity, carries out artificial remove impurity to attapulgite clay raw material, picks out the impurity of bulk and remove；
S2: raw material pulverizing, puts into the raw material passing through preliminary remove impurity ball milling and carries out attrition grinding, and the rotating speed of ball milling cylinder is defined to 60-80n/min, and the temperature of pulverizing is 20-25 degree Celsius, and pressure is 90-105 kPa, and the attrition grinding time is 5-26 minute；
S3: add dispersant, adds dispersant in ball milling, and proceeds attrition grinding, and milling time is 2-5 minute；
S4: stir and carry out acidification, the ground raw material completed is put into mixing plant, and in mixing plant, add acid solution, additive capacity is the acid solution of attapulgite clay raw material correspondence interpolation 2-7 part of every 100 parts of mass components, starting mixing plant after adding acid solution to be stirred, the time of stirring is 8-14 minute；
S5: saline solution modification, adds saline solution in the attapulgite clay raw material of acidification, and proceeds stirring, and ambient temperature during stirring is defined to 15-30 degree Celsius, and mixing time is 5-8 minute, and stirring completes；
S6: wet classification processes, and transfers in classifying equipoment by the attapulgite clay stirred, adds solvent and stirs 10-16 minute；
S7: centrifugal treating, dumps to raw material in centrifuge, is centrifuged processing, and the time is 1-5 minute；
S8: precipitation and extraction, precipitates the attapulgite clay solution after centrifugal treating, and the sedimentation time is 3-8 minute, carries out layering and extracts, be filled in the container of different stage after precipitation；
S9: dried, is dried process respectively to classified raw material；
S10: extrusion molding, carries out extrusion molding respectively by the raw material dried.
2. a kind of attapulgite clay super-refinement processing technique according to claim 1, it is characterized in that: the dispersant in described step S3 adopts stearmide, dosage is 0.3-0.8 part, or adopt vinyl bis-stearamides, dosage is 0.5-2 part, or employing glyceryl tristearate, dosage is 0.2-0.5 part.
3. a kind of attapulgite clay super-refinement processing technique according to claim 1, it is characterised in that: the acid solution in described step S4 adopts hydrochloric acid solution, and the concentration of hydrochloric acid is 33%-57%.
4. a kind of attapulgite clay super-refinement processing technique according to claim 1, it is characterised in that: the saline solution in described step S5 adopts Klorvess Liquid, and potassium chloride concentration is 18-27%, and Klorvess Liquid uses component to be 23-42 part.
5. a kind of attapulgite clay super-refinement processing technique according to claim 1, it is characterised in that: the drying means in described step S9 is thermal current seasoning, and dry air temperature is 112-145 degree Celsius, and drying time is 7-11 minute.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138751.9A CN105800627A (en) | 2016-03-12 | 2016-03-12 | Ultrafine grading purification technology for attapulgite clay |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610138751.9A CN105800627A (en) | 2016-03-12 | 2016-03-12 | Ultrafine grading purification technology for attapulgite clay |
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| CN105800627A true CN105800627A (en) | 2016-07-27 |
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| CN201610138751.9A Pending CN105800627A (en) | 2016-03-12 | 2016-03-12 | Ultrafine grading purification technology for attapulgite clay |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106809845A (en) * | 2017-04-11 | 2017-06-09 | 明光市安盛非金属材料厂 | A kind of method of modifying of attapulgite |
| CN109205633A (en) * | 2018-08-31 | 2019-01-15 | 茂名市兴煌化工有限公司 | A kind of novel nano clay preparation system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6444601B1 (en) * | 1998-11-12 | 2002-09-03 | Itc, Inc. | Purified attapulgite clay |
| CN102874826A (en) * | 2012-10-18 | 2013-01-16 | 南京信息工程大学 | Purification technical method for attapulgite clay |
| CN103359748A (en) * | 2012-03-27 | 2013-10-23 | 永昌县龙泽膨润土有限公司 | Activating treatment of bentonite |
-
2016
- 2016-03-12 CN CN201610138751.9A patent/CN105800627A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6444601B1 (en) * | 1998-11-12 | 2002-09-03 | Itc, Inc. | Purified attapulgite clay |
| CN103359748A (en) * | 2012-03-27 | 2013-10-23 | 永昌县龙泽膨润土有限公司 | Activating treatment of bentonite |
| CN102874826A (en) * | 2012-10-18 | 2013-01-16 | 南京信息工程大学 | Purification technical method for attapulgite clay |
Non-Patent Citations (1)
| Title |
|---|
| 熊余等: "凹凸棒石黏土的酸洗提纯工艺研究", 《非金属矿》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106809845A (en) * | 2017-04-11 | 2017-06-09 | 明光市安盛非金属材料厂 | A kind of method of modifying of attapulgite |
| CN109205633A (en) * | 2018-08-31 | 2019-01-15 | 茂名市兴煌化工有限公司 | A kind of novel nano clay preparation system |
| CN109205633B (en) * | 2018-08-31 | 2023-09-22 | 林焕 | Novel nanoclay preparation system |
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Application publication date: 20160727 |