CN109293334A - Tailings after mine ore dressing purification recycles technique - Google Patents
Tailings after mine ore dressing purification recycles technique Download PDFInfo
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- CN109293334A CN109293334A CN201811218824.0A CN201811218824A CN109293334A CN 109293334 A CN109293334 A CN 109293334A CN 201811218824 A CN201811218824 A CN 201811218824A CN 109293334 A CN109293334 A CN 109293334A
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- tailings
- catalyst
- ore dressing
- mine ore
- stirred
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
- C04B28/344—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
-
- 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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Tailings after mine ore dressing purification recycles technique under the action of basic catalyst and acidic catalyst, tailings to be made to be solidified into the plate of high-crystallinity using tailings dressing agent residue, makes crystalline solid more closely knit firm under press machine pressure-bearing.Harmful tailings is converted to commodity by present invention process, is turned waste into wealth, and environmental pollution is eradicated from source, preferable economic benefit and social benefit can be obtained simultaneously, solve the problems, such as that tailings storage is insoluble for mine ore dressing industry, treatment process igniting or sintering will not cause secondary pollution.
Description
Technical field
The present invention relates to beneficiation tailing recycle utilization technology fields, and in particular to the tailings after a kind of purification of mine ore dressing is again
Utilize technique.
Background technique
The tailings of mine ore dressing industry is stored and processing is that the great environmental that the world faces administers problem, many mines
It is shut down since tailings cannot get effective and reasonable storage, at abroad, much western countries are in order to consume tailing, in addition to underground is returned
It fills out, most of tailing is used to fire plate brick, and excessively high due to firing plate brick cost, this processing approach can not be solved effectively comprehensively
The problem of tailings environmental-friendly processing.Therefore how to search out a tailings consumption and recycle, the method for making it turn waste into wealth becomes
The project of industry primary study.
Summary of the invention
The present invention provides the tailings after a kind of purification of mine ore dressing to recycle technique, to solve tail of the existing technology
Sand consumption recycles difficult problem.
The technical solution adopted by the present invention to solve the technical problems is:
Tailings after a kind of purification of mine ore dressing recycles technique, using tailings dressing agent residue, in basic catalyst and acid
Under the action of property catalyst, so that tailings is solidified into the plate of high-crystallinity, the more closely knit heavily fortified point of crystalline solid is made under press machine pressure-bearing
Gu steps are as follows for specific processing technology:
(1) it is stirred to react, useless tailings, process water and basic catalyst, which are stirred reaction, under room temperature makes the chemistry in tailings be situated between
Then acidic catalyst curing agent, pH value adjustment agent and the inorganic staple fiber mixing of enhancing is added in matter solidification into reaction mixture
It stirs together, carries out solidification neutralization reaction, the mass fraction that wherein each component is added are as follows: useless 100 parts of tailings；Basic catalyst
10 ~ 50 parts；3 ~ 12 parts of acidic catalyst curing agent；1 ~ 10 part of pH value adjustment agent；1 ~ 46 part of process water；Enhance inorganic staple fiber 5 ~ 45
Part；
(2) it suppresses, the material after being stirred to react is sent into compacting tool set, compacting forms more highdensity crystalline solid；
(3) air dry cure, the hard crystal plate that pressure-bearing is formed send into baking oven air dry cure, baking oven running temperature 25 DEG C ~ 60
DEG C, runing time is controlled at 25 minutes ~ 35 minutes, then examines storage.
Basic catalyst used in above-mentioned steps (1) is the mixture of potassium silicate or sodium metasilicate or both.
Acidic catalyst curing agent used in above-mentioned steps (1) be tripolyphosphate silicon or silicon phosphate or aluminum phosphate or they
Mixture.
The inorganic staple fiber of enhancing used in above-mentioned steps (1) is plant fiber or glass fibre or asbestos.
Treatment process of the present invention utilizes the ingredients such as chemical mediator such as chloride ion, sodium ion, aniline remaining in tailings, to
Sodium metasilicate, potassium silicate and phosphate cpd is wherein added to react jointly and form highly crystalline body, thus turning waste into treasure, present invention process
Crystalline solid obtained can substitute the existing rectangular slab of stone, road plate brick, bank protection slope protection hardboard block completely and use.
Harmful tailings is converted to commodity by present invention process, is turned waste into wealth, and environmental pollution is eradicated from source, while can
Preferable economic benefit and social benefit are obtained, solves the problems, such as that tailings storage is insoluble for mine ore dressing industry, processing
Process igniting or sintering, will not cause secondary pollution.
Specific embodiment
Example 1
Tailings after a kind of purification of mine ore dressing recycles technique, using tailings dressing agent residue, in basic catalyst and acid
Under the action of property catalyst, so that tailings is solidified into the plate of high-crystallinity, the more closely knit heavily fortified point of crystalline solid is made under press machine pressure-bearing
Gu steps are as follows for specific processing technology:
(1) it is stirred to react, useless tailings, process water and potassium silicate, which are stirred reaction, under room temperature coagulates the chemical mediator in tailings
Gu tripolyphosphate silicon, pH value adjustment agent and plant fiber are then added into reaction mixture mixes stirring, carry out
Solidify neutralization reaction, the mass fraction that wherein each component is added are as follows: useless 100 parts of tailings；10 ~ 50 parts of potassium silicate；Tripolyphosphate silicon 3
~ 12 parts；1 ~ 10 part of pH value adjustment agent；1 ~ 46 part of process water；5 ~ 45 parts of plant fiber；
(2) it suppresses, the material after being stirred to react is sent into compacting tool set, compacting forms more highdensity crystalline solid；
(3) air dry cure, the hard crystal plate that pressure-bearing is formed send into baking oven air dry cure, baking oven running temperature 25 DEG C ~ 60
DEG C, runing time is controlled at 25 minutes ~ 35 minutes, then examines storage.
Example 2
Tailings after a kind of purification of mine ore dressing recycles technique, using tailings dressing agent residue, in basic catalyst and acid
Under the action of property catalyst, so that tailings is solidified into the plate of high-crystallinity, the more closely knit heavily fortified point of crystalline solid is made under press machine pressure-bearing
Gu steps are as follows for specific processing technology:
(1) it is stirred to react, useless tailings, process water and sodium metasilicate, which are stirred reaction, under room temperature coagulates the chemical mediator in tailings
Gu aluminum phosphate, pH value adjustment agent and glass fibre are then added into reaction mixture mixes stirring, solidified
Neutralization reaction, the mass fraction that wherein each component is added are as follows: useless 100 parts of tailings；10 ~ 50 parts of sodium metasilicate；3 ~ 12 parts of aluminum phosphate；PH
1 ~ 10 part of regulator of value；1 ~ 46 part of process water；5 ~ 45 parts of glass fibre；
(2) it suppresses, the material after being stirred to react is sent into compacting tool set, compacting forms more highdensity crystalline solid；
(3) air dry cure, the hard crystal plate that pressure-bearing is formed send into baking oven air dry cure, baking oven running temperature 25 DEG C ~ 60
DEG C, runing time is controlled at 25 minutes ~ 35 minutes, then examines storage.
Example 3
Tailings after a kind of purification of mine ore dressing recycles technique, using tailings dressing agent residue, in basic catalyst and acid
Under the action of property catalyst, so that tailings is solidified into the plate of high-crystallinity, the more closely knit heavily fortified point of crystalline solid is made under press machine pressure-bearing
Gu steps are as follows for specific processing technology:
(1) it is stirred to react, useless tailings, process water and sodium metasilicate, which are stirred reaction, under room temperature coagulates the chemical mediator in tailings
Gu silicon phosphate, pH value adjustment agent and asbestos are then added into reaction mixture mixes stirring, solidification neutralization is carried out
Reaction, the mass fraction that wherein each component is added are as follows: useless 100 parts of tailings；10 ~ 50 parts of sodium metasilicate；3 ~ 12 parts of silicon phosphate；PH value tune
1 ~ 10 part of agent of section；1 ~ 46 part of process water；5 ~ 45 parts of asbestos；
(2) it suppresses, the material after being stirred to react is sent into compacting tool set, compacting forms more highdensity crystalline solid；
(3) air dry cure, the hard crystal plate that pressure-bearing is formed send into baking oven air dry cure, baking oven running temperature 25 DEG C ~ 60
DEG C, runing time is controlled at 25 minutes ~ 35 minutes, then examines storage.
Claims (4)
1. the tailings after a kind of mine ore dressing purification recycles technique, it is characterized in that using tailings dressing agent residue, in alkalinity
Under the action of catalyst and acidic catalyst, tailings is made to be solidified into the plate of high-crystallinity, makes crystalline solid under press machine pressure-bearing
More closely knit firm, steps are as follows for specific processing technology:
It is stirred to react, useless tailings, process water and basic catalyst is stirred to the chemical mediator for reacting and making in tailings under room temperature
Then acidic catalyst curing agent, pH value adjustment agent and the inorganic staple fiber of enhancing are added into reaction mixture and is blended in for solidification
It stirs together, carries out solidification neutralization reaction, the mass fraction that wherein each component is added are as follows: useless 100 parts of tailings；Basic catalyst 10
~ 50 parts；3 ~ 12 parts of acidic catalyst curing agent；1 ~ 10 part of pH value adjustment agent；1 ~ 46 part of process water；Enhance inorganic staple fiber 5 ~ 45
Part；
Compacting, the material after being stirred to react is sent into compacting tool set, and compacting forms more highdensity crystalline solid；
Air dry cure, the hard crystal plate that pressure-bearing is formed send into baking oven air dry cure, and 25 DEG C ~ 60 DEG C of baking oven running temperature,
Runing time is controlled at 25 minutes ~ 35 minutes, then examines storage.
2. the tailings after mine ore dressing purification described in claim 1 recycles technique, it is characterized in that alkali used in step (1)
Property catalyst be potassium silicate or sodium metasilicate or both mixture.
3. jade fiber reactive dyeing process described in claim 1, it is characterized in that acidic catalyst used in step (1)
Curing agent is tripolyphosphate silicon or silicon phosphate or aluminum phosphate or their mixture.
4. jade fiber reactive dyeing process described in claim 1, it is characterized in that enhancing used in step (1) is inorganic
Staple fiber is plant fiber or glass fibre or asbestos.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811218824.0A CN109293334A (en) | 2018-10-19 | 2018-10-19 | Tailings after mine ore dressing purification recycles technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811218824.0A CN109293334A (en) | 2018-10-19 | 2018-10-19 | Tailings after mine ore dressing purification recycles technique |
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| Publication Number | Publication Date |
|---|---|
| CN109293334A true CN109293334A (en) | 2019-02-01 |
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| CN201811218824.0A Pending CN109293334A (en) | 2018-10-19 | 2018-10-19 | Tailings after mine ore dressing purification recycles technique |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649647A (en) * | 2013-11-20 | 2015-05-27 | 深圳市格林美高新技术股份有限公司 | High-temperature-resistant thermal-insulation material prepared with industrial tailings and preparation method thereof |
| CN108609998A (en) * | 2018-05-28 | 2018-10-02 | 遵义联合建材有限公司 | A kind of manufacturing method non-burning brick using industrial solid rubbish |
-
2018
- 2018-10-19 CN CN201811218824.0A patent/CN109293334A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649647A (en) * | 2013-11-20 | 2015-05-27 | 深圳市格林美高新技术股份有限公司 | High-temperature-resistant thermal-insulation material prepared with industrial tailings and preparation method thereof |
| CN108609998A (en) * | 2018-05-28 | 2018-10-02 | 遵义联合建材有限公司 | A kind of manufacturing method non-burning brick using industrial solid rubbish |
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Application publication date: 20190201 |
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