CN110776324A - Process for preparing refractory silicon mud by using quartz sand tailings - Google Patents
Process for preparing refractory silicon mud by using quartz sand tailings Download PDFInfo
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- CN110776324A CN110776324A CN201911093226.XA CN201911093226A CN110776324A CN 110776324 A CN110776324 A CN 110776324A CN 201911093226 A CN201911093226 A CN 201911093226A CN 110776324 A CN110776324 A CN 110776324A
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/62655—Drying, e.g. freeze-drying, spray-drying, microwave or supercritical drying
- C04B35/6266—Humidity controlled drying
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Abstract
The invention discloses a process for preparing refractory silica mud by using quartz sand tailings, belongs to the technical field of deep processing of quartz sand tailings, and aims to solve the problem of low utilization rate of the existing quartz sand tailings. Which comprises the following steps: (1) dispersing the quartz sand tail mud: sending the quartz sand tail mud into a scattering machine for scattering treatment; (2) drying the quartz sand tail mud: conveying the quartz sand tail mud subjected to dispersion treatment to a conveyor through a feeder, and conveying the quartz sand tail mud to a dryer for drying treatment; (3) grinding the quartz sand tail mud: feeding the dried quartz sand tail mud into a pulverizer for grinding to obtain quartz sand tail mud powder; (4) sorting quartz sand tail mud powder: conveying the quartz sand tail mud powder into a powder separator for separation, and separating the quartz sand tail mud powder with the granularity of 500 plus materials and the granularity of 1000 meshes; (5) weighing and packaging quartz sand tail mud powder: weighing and packaging the sorted quartz sand tail mud powder by an automatic weighing and bagging machine. The method is suitable for preparing the refractory silicon mud by using the quartz sand tail mud.
Description
Technical Field
The invention belongs to the technical field of deep processing of quartz sand tailings, and particularly relates to a process for preparing refractory silicon sludge by using quartz sand tailings.
Background
The quartz sand tailings are precious mineral resources, and according to statistics of relevant organizations, the discharge amount of the quartz sand tailings in China is about 1000 million tons every year, and the discharge of a large amount of the quartz sand tailings can cause serious environmental pollution, so that adverse effects such as occupation of cultivated land, silting of river channels and reservoirs and the like are caused. Therefore, the resource utilization of the quartz sand tailings has become a necessary trend. The quartz sand tail mud is a mixture of quartz tail sand and mud, the content of silicon dioxide in the quartz sand tail mud is up to more than 90%, and various physicochemical characteristic indexes of the quartz sand tail mud are matched with those of a refractory silicon mud raw material. However, the existing quartz sand tailings are not effectively utilized and are often abandoned. If the effective components in the quartz sand tail mud can be utilized, the quartz sand tail mud is processed and prepared into the refractory silica mud, so that the quartz sand tail mud is fully recycled, and meanwhile, the method has great economic benefit.
Disclosure of Invention
The invention aims to: the process for preparing the refractory silica mud by using the quartz sand tailings is provided, and the problem of low utilization rate of the existing quartz sand tailings is solved.
The technical scheme adopted by the invention is as follows:
a process for preparing refractory silicon mud by using quartz sand tailings comprises the following steps:
(1) dispersing the quartz sand tail mud: sending the quartz sand tail mud into a scattering machine for scattering treatment;
(2) drying the quartz sand tail mud: conveying the quartz sand tailings subjected to the dispersion treatment by the scattering machine in the step (1) to a conveyor through a feeder, and conveying the quartz sand tailings to a dryer through the conveyor for drying treatment;
(3) grinding the quartz sand tail mud: sending the quartz sand tail mud dried by the dryer in the step (2) into a pulverizer for grinding to obtain quartz sand tail mud powder;
(4) sorting quartz sand tail mud powder: conveying the quartz sand tail mud powder in the step (3) into a powder separator for separation, and separating the quartz sand tail mud powder with the particle size of 500-1000 meshes;
(5) weighing and packaging quartz sand tail mud powder: weighing and packaging the quartz sand tail mud powder with the granularity of 500-.
Further, the drying process in the step (2) is a gradient curve drying process, wherein the temperature is uniformly increased from 0 ℃ to 100 ℃ when the temperature is 0-1H, the 1-2H is kept warm for 1H, the temperature of 2-4H is uniformly increased from 100 ℃ to 400 ℃ when the temperature is 4-6H, the temperature is increased from 400 ℃ to 450 ℃ when the temperature is 6-9H, the temperature is kept for 3H, and then the drying process is naturally cooled.
Further, the specification of the packing weight of the quartz sand tailing powder with the granularity of 500-.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the quartz sand tail mud is prepared into 500-1000-mesh quartz sand tail mud powder through the process steps of quartz sand tail mud dispersion, quartz sand tail mud drying, quartz sand tail mud grinding, quartz sand tail mud powder sorting, quartz sand tail mud powder weighing and packaging and the like, and the quartz sand tail mud powder is weighed and packaged to be used as a refractory silicon mud raw material. The content of silicon dioxide in the quartz sand tailings reaches more than 90%, various physicochemical characteristic indexes of 500-mesh 1000-mesh quartz sand tailings powder are matched with those of the refractory silica sludge raw material, so that the process has high market value, the silicon dioxide in the quartz sand tailings is effectively utilized by the process, the quartz sand tailings are fully recycled, and the economic value of the quartz sand tailings is improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A process for preparing refractory silicon mud by using quartz sand tailings comprises the following steps:
(1) dispersing the quartz sand tail mud: sending the quartz sand tail mud into a scattering machine for scattering treatment;
(2) drying the quartz sand tail mud: conveying the quartz sand tailings subjected to the dispersion treatment by the scattering machine in the step (1) to a conveyor through a feeder, and conveying the quartz sand tailings to a dryer through the conveyor for drying treatment;
(3) grinding the quartz sand tail mud: sending the quartz sand tail mud dried by the dryer in the step (2) into a pulverizer for grinding to obtain quartz sand tail mud powder;
(4) sorting quartz sand tail mud powder: conveying the quartz sand tail mud powder in the step (3) into a powder separator for separation, and separating the quartz sand tail mud powder with the particle size of 500-1000 meshes;
(5) weighing and packaging quartz sand tail mud powder: weighing and packaging the quartz sand tail mud powder with the granularity of 500-.
Further, the drying process in the step (2) is a gradient curve drying process, wherein the temperature is uniformly increased from 0 ℃ to 100 ℃ when the temperature is 0-1H, the 1-2H is kept warm for 1H, the temperature of 2-4H is uniformly increased from 100 ℃ to 400 ℃ when the temperature is 4-6H, the temperature is increased from 400 ℃ to 450 ℃ when the temperature is 6-9H, the temperature is kept for 3H, and then the drying process is naturally cooled.
Further, the specification of the packing weight of the quartz sand tailing powder with the granularity of 500-.
Example 1
A process for preparing refractory silicon mud by using quartz sand tailings comprises the following steps:
(1) dispersing the quartz sand tail mud: sending the quartz sand tail mud into a scattering machine for scattering treatment;
(2) drying the quartz sand tail mud: conveying the quartz sand tailings subjected to the dispersion treatment by the scattering machine in the step (1) to a conveyor through a feeder, and conveying the quartz sand tailings to a dryer through the conveyor for drying treatment;
(3) grinding the quartz sand tail mud: sending the quartz sand tail mud dried by the dryer in the step (2) into a pulverizer for grinding to obtain quartz sand tail mud powder;
(4) sorting quartz sand tail mud powder: conveying the quartz sand tail mud powder in the step (3) into a powder separator for separation, and separating the quartz sand tail mud powder with the particle size of 500-1000 meshes;
(5) weighing and packaging quartz sand tail mud powder: weighing and packaging the quartz sand tail mud powder with the granularity of 500-.
Further, the drying process in the step (2) is a gradient curve drying process, wherein the temperature is uniformly increased from 0 ℃ to 100 ℃ when the temperature is 0-1H, the 1-2H is kept warm for 1H, the temperature of 2-4H is uniformly increased from 100 ℃ to 400 ℃ when the temperature is 4-6H, the temperature is increased from 400 ℃ to 450 ℃ when the temperature is 6-9H, the temperature is kept for 3H, and then the drying process is naturally cooled.
Further, the specification of the packing weight of the quartz sand tailing powder with the granularity of 500-.
Example 2
A process for preparing refractory silicon mud by using quartz sand tailings comprises the following steps:
(1) dispersing the quartz sand tail mud: sending the quartz sand tail mud into a scattering machine for scattering treatment;
(2) drying the quartz sand tail mud: conveying the quartz sand tailings subjected to the dispersion treatment by the scattering machine in the step (1) to a conveyor through a feeder, and conveying the quartz sand tailings to a dryer through the conveyor for drying treatment;
(3) grinding the quartz sand tail mud: sending the quartz sand tail mud dried by the dryer in the step (2) into a pulverizer for grinding to obtain quartz sand tail mud powder;
(4) sorting quartz sand tail mud powder: conveying the quartz sand tail mud powder in the step (3) into a powder separator for separation, and separating the quartz sand tail mud powder with the particle size of 500-1000 meshes;
(5) weighing and packaging quartz sand tail mud powder: weighing and packaging the quartz sand tail mud powder with the granularity of 500-.
Further, the drying process in the step (2) is a gradient curve drying process, wherein the temperature is uniformly increased from 0 ℃ to 100 ℃ when the temperature is 0-1H, the 1-2H is kept warm for 1H, the temperature of 2-4H is uniformly increased from 100 ℃ to 400 ℃ when the temperature is 4-6H, the temperature is increased from 400 ℃ to 450 ℃ when the temperature is 6-9H, the temperature is kept for 3H, and then the drying process is naturally cooled.
Further, the specification of the packing weight of the quartz sand tailing powder with the granularity of 500-.
Example 3
A process for preparing refractory silicon mud by using quartz sand tailings comprises the following steps:
(1) dispersing the quartz sand tail mud: sending the quartz sand tail mud into a scattering machine for scattering treatment;
(2) drying the quartz sand tail mud: conveying the quartz sand tailings subjected to the dispersion treatment by the scattering machine in the step (1) to a conveyor through a feeder, and conveying the quartz sand tailings to a dryer through the conveyor for drying treatment;
(3) grinding the quartz sand tail mud: sending the quartz sand tail mud dried by the dryer in the step (2) into a pulverizer for grinding to obtain quartz sand tail mud powder;
(4) sorting quartz sand tail mud powder: conveying the quartz sand tail mud powder in the step (3) into a powder separator for separation, and separating the quartz sand tail mud powder with the particle size of 500-1000 meshes;
(5) weighing and packaging quartz sand tail mud powder: weighing and packaging the quartz sand tail mud powder with the granularity of 500-.
Further, the drying process in the step (2) is a gradient curve drying process, wherein the temperature is uniformly increased from 0 ℃ to 100 ℃ when the temperature is 0-1H, the 1-2H is kept warm for 1H, the temperature of 2-4H is uniformly increased from 100 ℃ to 400 ℃ when the temperature is 4-6H, the temperature is increased from 400 ℃ to 450 ℃ when the temperature is 6-9H, the temperature is kept for 3H, and then the drying process is naturally cooled.
Further, the specification of the packing weight of the quartz sand tailing powder with the granularity of 500-.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. A process for preparing refractory silicon mud by using quartz sand tailings is characterized by comprising the following steps:
(1) dispersing the quartz sand tail mud: sending the quartz sand tail mud into a scattering machine for scattering treatment;
(2) drying the quartz sand tail mud: conveying the quartz sand tailings subjected to the dispersion treatment by the scattering machine in the step (1) to a conveyor through a feeder, and conveying the quartz sand tailings to a dryer through the conveyor for drying treatment;
(3) grinding the quartz sand tail mud: sending the quartz sand tail mud dried by the dryer in the step (2) into a pulverizer for grinding to obtain quartz sand tail mud powder;
(4) sorting quartz sand tail mud powder: conveying the quartz sand tail mud powder in the step (3) into a powder separator for separation, and separating the quartz sand tail mud powder with the particle size of 500-1000 meshes;
(5) weighing and packaging quartz sand tail mud powder: weighing and packaging the quartz sand tail mud powder with the granularity of 500-.
2. The process for preparing refractory silicon mud from quartz sand tailings as claimed in claim 1, wherein the drying process in step (2) is a gradient curve drying process, wherein the temperature is increased from 0 ℃ to 100 ℃ at a constant speed when the temperature is 0-1H, 1-2H is kept at 1H, the temperature of 2-4H is increased from 100 ℃ to 400 ℃ at a constant speed, and the temperature is increased from 400 ℃ to 450 ℃ when the temperature is 4-6H, kept at 6-9H for 3H, and then naturally cooled.
3. The process for preparing refractory silica mud from quartz sand tailings as claimed in claim 1, wherein the packaging weight of the quartz sand tailings powder with the particle size of 500-1000 meshes in the step (5) is 10-25kg per bag.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911093226.XA CN110776324A (en) | 2019-11-11 | 2019-11-11 | Process for preparing refractory silicon mud by using quartz sand tailings |
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| CN201911093226.XA CN110776324A (en) | 2019-11-11 | 2019-11-11 | Process for preparing refractory silicon mud by using quartz sand tailings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113184864A (en) * | 2021-05-14 | 2021-07-30 | 湖南愿景新材料科技有限公司 | Method for preparing calcium silicate hydrate by using quartz sand tailings |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620228A (en) * | 2018-04-28 | 2018-10-09 | 四川南联环资科技股份有限公司 | A kind of technique of quartz sand tailings processing and recycling |
| CN109020575A (en) * | 2018-09-05 | 2018-12-18 | 云南濮耐昆钢高温材料有限公司 | A kind of silica fire resistant mud of useless silica brick production |
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- 2019-11-11 CN CN201911093226.XA patent/CN110776324A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620228A (en) * | 2018-04-28 | 2018-10-09 | 四川南联环资科技股份有限公司 | A kind of technique of quartz sand tailings processing and recycling |
| CN109020575A (en) * | 2018-09-05 | 2018-12-18 | 云南濮耐昆钢高温材料有限公司 | A kind of silica fire resistant mud of useless silica brick production |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113184864A (en) * | 2021-05-14 | 2021-07-30 | 湖南愿景新材料科技有限公司 | Method for preparing calcium silicate hydrate by using quartz sand tailings |
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Application publication date: 20200211 |
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