CN109678374A - A kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material - Google Patents
A kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material Download PDFInfo
- Publication number
- CN109678374A CN109678374A CN201910148211.2A CN201910148211A CN109678374A CN 109678374 A CN109678374 A CN 109678374A CN 201910148211 A CN201910148211 A CN 201910148211A CN 109678374 A CN109678374 A CN 109678374A
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- Prior art keywords
- sulfuric acid
- waste slag
- acid manganese
- construction material
- manganese waste
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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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/027—Lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G45/00—Compounds of manganese
- C01G45/10—Sulfates
-
- 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
- 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
-
- 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
- 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
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/95—Products characterised by their size, e.g. microceramics
Abstract
The invention discloses a kind of production technologies using sulfuric acid manganese waste slag production light-weight environment-friendly construction material, comprising the following steps: sulfuric acid manganese waste slag, ceramic powder, coal dust and foaming agent are added in mixing and blending machine and are uniformly mixed by S1；Uniformly mixed mixture is added in pelletizing drum by S2, and particle is made in water spray；Manufactured particle is added in revolution calcining kiln and carries out calcination process by S3；S4 will carry out screening process after the particle cooling after calcination process, obtain satisfactory ceramic grain；The present invention does not decomposite SO2 gas in sintering process merely with manganese sulfate waste residue, helps to form hole, reduces coal dust, foaming agent consumption, also produces manganese sulfate using the harmful components SO2 in exhaust gas, while exhaust gas is effectively addressed, and do not increase cost.
Description
Technical field
The present invention relates to light building material production technical fields more particularly to a kind of utilization sulfuric acid manganese waste slag to produce lightweight
The production technology of environmental-friendly construction material.
Background technique
Contain a large amount of harmful components in industrial residue, be just able to satisfy the standard of discharge after being typically necessary processing, and has
The processing cost of evil substance is higher, and this problem always is the key point of puzzlement sustainable development economy；Ceramic grain is as one
The emerging light building material of kind, the production of ceramic grain are to influence the important indicator of light building material development, existing ceramics
Grain production technology is generally that raw material carries out processing life using the nuisanceless waste such as building castoff, clay, coal ash powder, ceramic powder
It produces, reducing the cost of ceramic grain processing and promoting the quality of ceramic grain processing is all to accelerate light building material development
Basis.In existing industrial waste residue disposal, sulfuric acid manganese waste slag is rich in sulfate and vulcanizations such as ferric sulfate, aluminum sulfate, calcium sulfate
Object can generate sulfur dioxide during sintering processes, and sulfur dioxide is directly discharged in atmosphere, can cause environmental pollution,
And sulfuric acid is produced using oxidizing sulfur dioxide, then because sulfur dioxide flue gas concentration is relatively low, manufacturing cost is relatively excessively high, although
It is a kind of mode of recoverable, but is not a kind of optimal selection, therefore, it is necessary to further research and develop returning for industrial residue
Receive utilization technology.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of of proposition utilizes sulfuric acid manganese waste slag
Produce the production technology of light-weight environment-friendly construction material.
To improve the deficiencies in the prior art, present invention employs following technical solutions:
A kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material, specifically comprises the following steps:
Sulfuric acid manganese waste slag, ceramic powder, coal dust and foaming agent are added in mixing and blending machine and are uniformly mixed by S1；
Uniformly mixed mixture is added in pelletizing drum by S2, and particle is made in water spray；
Manufactured particle is added in revolution calcining kiln and carries out calcination process by S3；
S4 will carry out screening process after the particle cooling after calcination process, obtain satisfactory ceramic grain.
Preferably, in S1, the water content of sulfuric acid manganese waste slag is controlled in 20-40%.
Preferably, in S1, sulfuric acid manganese waste slag, ceramic powder, coal dust and foaming agent are 8.5:0.5 in mass ratio:
The ratio of 0.4:0.1 mixes.
Preferably, in S2, grain diameter made of pelletizing drum is 5-10mm.
Preferably, in S3, particle is 1200-1300 DEG C in the maturing temperature of revolution calcining kiln, the time of roasting
It is 25-60 minutes.
Preferably, in S3, by roasting process generate gas sampling, and by high pressure blower blast absorption tower into
Row reactive absorption.
Preferably, concentration is used to inhale for 30% manganese oxide ore pulp to sulfur dioxide in S3, in absorption tower
It receives.
Preferably, it in S3, when the manganese oxide ore pulp PH after absorption tower absorbs is 3.5, returns and is used for manganese sulfate
Production.
Preferably, in S4, the ceramic grain after roasting is sieved again after being cooled to 40 DEG C.
Preferably, in S4, the ceramic grain particle size of screening is 4-8mm.
Compared with prior art, the invention has the following advantages:
The a large amount of waste residues generated in manganese sulfate production process, the sulfuric acid that will be rich in sulfuric acid manganese waste slag is adequately utilized in the present invention
The sulfate such as iron, aluminum sulfate, calcium sulfate and sulfide generate sulfur dioxide by roasting after mixing granulation, will be sintered low
Sulphur ceramics grain has technology ceramic grain produced as light building material, opposite receive, and the present invention is not useless merely with manganese sulfate
Slag decomposites SO2 gas in sintering process, helps to form hole, reduces coal dust, foaming agent consumption, also utilizes the nocuousness in exhaust gas
Ingredient SO2 produces manganese sulfate, while exhaust gas is effectively addressed, and does not increase cost.The present invention ceramic grain produced is close
Spend that lower, porosity is high, hardness is strong, it is good as light building material quality, rationally effectively manganese sulfate waste residue utilization is got up,
And producing process is easy to operate, cost is relatively low for production, promotes the development of light building material well, reduce it is harmful at
The discharge amount divided, circulation effectively utilize related resource, suit the road for development of sustainable development, have good popularization and application
Space.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.
Embodiment 1
A kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material, specifically comprises the following steps:
Sulfuric acid manganese waste slag, ceramic powder, coal dust and foaming agent are added in mixing and blending machine and are uniformly mixed by S1；
In S1,20%, sulfuric acid manganese waste slag, ceramic powder, coal dust and foaming agent press quality for the water content control of sulfuric acid manganese waste slag
Than the ratio mixing for 8.5:0.5:0.4:0.1.
Uniformly mixed mixture is added in pelletizing drum by S2, and particle is made in water spray；
In S2, grain diameter made of pelletizing drum is 5mm.
Manufactured particle is added in revolution calcining kiln and carries out calcination process by S3；
In S3, particle is 1200 DEG C in the maturing temperature of revolution calcining kiln, and the time of roasting is 25 minutes, and roasting process is produced
Raw gas sampling, and absorption tower is blasted by high pressure blower and carries out reactive absorption, use in absorption tower concentration for 30% oxygen
Change manganese ore slurry to absorb sulfur dioxide, when the manganese oxide ore pulp PH after absorption tower absorbs is 3.5, returns and be used for manganese sulfate
Production.
S4 will carry out screening process after the particle cooling after calcination process, obtain satisfactory ceramic grain.
In S4, the ceramic grain after roasting is sieved again after being cooled to 40 DEG C, and the ceramic grain particle size of screening is
4mm。
Embodiment 2
A kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material, specifically comprises the following steps:
Sulfuric acid manganese waste slag, ceramic powder, coal dust and foaming agent are added in mixing and blending machine and are uniformly mixed by S1；
In S1,30%, sulfuric acid manganese waste slag, ceramic powder, coal dust and foaming agent press quality for the water content control of sulfuric acid manganese waste slag
Than the ratio mixing for 8.5:0.5:0.4:0.1.
Uniformly mixed mixture is added in pelletizing drum by S2, and particle is made in water spray；
In S2, grain diameter made of pelletizing drum is 8mm.
Manufactured particle is added in revolution calcining kiln and carries out calcination process by S3；
In S3, particle is 1250 DEG C in the maturing temperature of revolution calcining kiln, and the time of roasting is 45 minutes, and roasting process is produced
Raw gas sampling, and absorption tower is blasted by high pressure blower and carries out reactive absorption, use in absorption tower concentration for 30% oxygen
Change manganese ore slurry to absorb sulfur dioxide, when the manganese oxide ore pulp PH after absorption tower absorbs is 3.5, returns and be used for manganese sulfate
Production.
S4 will carry out screening process after the particle cooling after calcination process, obtain satisfactory ceramic grain.
In S4, the ceramic grain after roasting is sieved again after being cooled to 40 DEG C, and the ceramic grain particle size of screening is
6mm。
Embodiment 3
A kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material, specifically comprises the following steps:
Sulfuric acid manganese waste slag, ceramic powder, coal dust and foaming agent are added in mixing and blending machine and are uniformly mixed by S1；
In S1,40%, sulfuric acid manganese waste slag, ceramic powder, coal dust and foaming agent press quality for the water content control of sulfuric acid manganese waste slag
Than the ratio mixing for 8.5:0.5:0.4:0.1.
Uniformly mixed mixture is added in pelletizing drum by S2, and particle is made in water spray；
In S2, grain diameter made of pelletizing drum is 10mm.
Manufactured particle is added in revolution calcining kiln and carries out calcination process by S3；
In S3, particle is 1300 DEG C in the maturing temperature of revolution calcining kiln, and the time of roasting is 60 minutes, and roasting process is produced
Raw gas sampling, and absorption tower is blasted by high pressure blower and carries out reactive absorption, use in absorption tower concentration for 30% oxygen
Change manganese ore slurry to absorb sulfur dioxide, when the manganese oxide ore pulp PH after absorption tower absorbs is 3.5, returns and be used for manganese sulfate
Production.
S4 will carry out screening process after the particle cooling after calcination process, obtain satisfactory ceramic grain.
In S4, the ceramic grain after roasting is sieved again after being cooled to 40 DEG C, and the ceramic grain particle size of screening is
8mm。
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material, it is characterised in that including walking as follows
It is rapid:
Sulfuric acid manganese waste slag, ceramic powder, coal dust and foaming agent are added in mixing and blending machine and are uniformly mixed by S1；
Uniformly mixed mixture is added in pelletizing drum by S2, and particle is made in water spray；
Manufactured particle is added in revolution calcining kiln and carries out calcination process by S3；
S4 will carry out screening process after the particle cooling after calcination process, obtain satisfactory ceramic grain.
2. a kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material according to claim 1,
It is characterized in that, in S1, the water content of sulfuric acid manganese waste slag is controlled in 20-40%.
3. a kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material according to claim 1,
It is characterized in that, in S1, sulfuric acid manganese waste slag, ceramic powder, coal dust and foaming agent are the ratio of 8.5:0.5:0.4:0.1 in mass ratio
Mixing.
4. a kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material according to claim 1,
It is characterized in that, in S2, grain diameter made of pelletizing drum is 5-10mm.
5. a kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material according to claim 1,
It is characterized in that, in S3, particle is 1200-1300 DEG C in the maturing temperature of revolution calcining kiln, and the time of roasting is 25-60 points
Clock.
6. a kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material according to claim 1,
It is characterized in that, in S3, the gas sampling that roasting process is generated, and absorption tower is blasted by high pressure blower and carries out reaction suction
It receives.
7. a kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material according to claim 1,
It is characterized in that, concentration is used to absorb for 30% manganese oxide ore pulp to sulfur dioxide in S3, in absorption tower.
8. a kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material according to claim 1,
It is characterized in that, in S3, when the manganese oxide ore pulp PH after absorption tower absorbs is 3.5, returns to the production for being used for manganese sulfate.
9. a kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material according to claim 81,
It is characterized in that, in S4, the ceramic grain particle size of screening is 4-8mm.
10. a kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material according to claim 1,
It is characterized in that, in S4, the ceramic grain after roasting is sieved again after being cooled to 40 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148211.2A CN109678374A (en) | 2019-02-28 | 2019-02-28 | A kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material |
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| CN201910148211.2A CN109678374A (en) | 2019-02-28 | 2019-02-28 | A kind of production technology using sulfuric acid manganese waste slag production light-weight environment-friendly construction material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115073137A (en) * | 2022-07-23 | 2022-09-20 | 贵州金瑞新材料有限责任公司 | Production process for producing light environment-friendly building material by using manganese sulfate waste residue |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815750A (en) * | 2012-09-04 | 2012-12-12 | 湖南汇通科技有限责任公司 | Method for preparing manganese sulfate by using manganese dioxide ore pulp to absorb sulfur dioxide in flue gases |
| CN104446364A (en) * | 2014-12-23 | 2015-03-25 | 广西龙共投资有限公司 | Method for preparing ceramsite through electrolytic manganese sulfate slag |
-
2019
- 2019-02-28 CN CN201910148211.2A patent/CN109678374A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815750A (en) * | 2012-09-04 | 2012-12-12 | 湖南汇通科技有限责任公司 | Method for preparing manganese sulfate by using manganese dioxide ore pulp to absorb sulfur dioxide in flue gases |
| CN104446364A (en) * | 2014-12-23 | 2015-03-25 | 广西龙共投资有限公司 | Method for preparing ceramsite through electrolytic manganese sulfate slag |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115073137A (en) * | 2022-07-23 | 2022-09-20 | 贵州金瑞新材料有限责任公司 | Production process for producing light environment-friendly building material by using manganese sulfate waste residue |
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