CN111592787A - Reinforcing-purifying-flame-retardant interior wall putty powder based on semidry desulfurization ash and preparation thereof - Google Patents
Reinforcing-purifying-flame-retardant interior wall putty powder based on semidry desulfurization ash and preparation thereof Download PDFInfo
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Abstract
The invention provides reinforcement-purification-flame-retardant interior wall putty powder based on semidry desulfurization ash and preparation thereof, belonging to the field of utilization of metallurgical intractable solid waste resources. The interior wall putty powder comprises semi-dry desulfurized fly ash, white cement, converter steel slag-aluminum ash solidified powder, talcum powder-bentonite mixed powder, latex powder, a polyvinyl alcohol-carboxymethyl cellulose ether mixture and zinc-containing dust mud kiln slag modified TiO2And waste rubber fiber powder. The converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water. The lowest film-forming temperature of the latex powder is 0-5 ℃. The fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 25-50. The invention not only realizes the integration of reinforcement, purification and flame retardance of the putty powder for the inner wall, but also realizes the utilization of high-performance and high-added-value resources of refractory semidry desulfurization ash, aluminum ash, converter steel slag and dust mud kiln slag, promotes the efficiency enhancement of enterprises, and meets the current industrial development requirements of energy conservation, environmental protection and circular economy.
Description
Technical Field
The invention belongs to the field of metallurgical refractory solid waste resource utilization, and particularly relates to reinforced-purified-flame-retardant interior wall putty powder based on semi-dry desulfurized fly ash and preparation thereof, and the reinforced-purified-flame-retardant interior wall putty powder can be used in the field of building materials.
Background
The semidry desulfurized fly ash is the product of flue gas desulfurization process and has the chemical component of SO3、CaO、MgO、SiO2、 Al2O3、TiO2、K2O、Na2O、Cl、Fe2O3Etc. wherein CaO and SO3The content is high, unstable calcium sulfite is taken as the main component, and the content is different from calcium sulfate contained in wet desulphurization ash (desulphurization gypsum); the aluminum ash is the leftover of casting shop in electrolytic aluminum plant and its chemical composition is Al2O3、SiO2、Ca(Mg)O、Fe2O3、TiO2Ca (Mg) F, Na (K) F, etc., wherein Al2O3Ca (Mg) O and Ca (Mg) F are high in content and belong to dangerous solid wastes, so that the Ca (Mg) O and the Ca (Mg) F are required to be solidified for use; the converter steel slag is a byproduct in the steel-making process, has potential gelling activity and contains SiO as a chemical component2、Al2O3、CaO、Fe2O3、MgO、SO3Etc. of SiO2、CaO、Fe2O3And high MgO content; the dust mud kiln slag is metallurgical solid waste generated after zinc oxide rotary kiln treatment of zinc-containing intermediate materials, and the element content of the dust mud kiln slag is Fe, Zn, Si, Al, Ca, S, Na, Mg, Mn, O and the like, wherein the content of Fe, Si, Al and Ca is high. At present, semi-dry desulfurization ash, aluminum ash, converter steel slag and dust mud kiln slag belong to refractory metallurgical solid waste, the utilization rate is low, a large amount of materials are piled up in the open air, precious land is occupied, and the surrounding environment and underground water are polluted. Therefore, how to comprehensively utilize semi-dry desulfurized fly ash in large scale and high efficiencyAluminum ash, converter steel slag and dust mud kiln slag, realizes environmental load reduction and enterprise synergy, and is a problem to be solved urgently.
The putty is a decorative material for leveling the surface of a wall body and is used for removing the defects of high and low unevenness on the surface of an object to be coated. At present, the main raw materials for producing the putty powder are building gypsum produced from natural gypsum ore on one hand, white portland cement or glue aggravated calcium powder and the like on the other hand, and the problems of large consumption of resources and energy sources and poor formaldehyde release environmental protection exist. Therefore, on one hand, related researchers use the dry-process and semi-dry-process desulfurized ash to prepare interior wall putty powder (CN104446247) after high-temperature calcination or strong oxidizing agent treatment, and although the method uses the low-cost dry-process and semi-dry-process desulfurized ash as a raw material, the preparation process needs calcination or strong oxidizing agent treatment, which results in poor cleanness and safety; on the other hand, the semi-dry desulfurized fly ash is not treated by high-temperature calcination or strong oxidation agents to prepare the interior wall putty powder (CN104072016 and CN105949864), the method solves the problem that the cleanness and the safety are poor due to calcination or use of strong oxidation agents, but the produced interior wall putty powder has single function and cannot meet the increasing requirement of indoor environment.
Disclosure of Invention
The method aims to solve the problem that the building material is cracked because calcium sulfite is unstable and is easily oxidized into calcium sulfate when being used for the building material in the semi-dry desulfurization at present; the aluminum ash belongs to the problem that dangerous solid wastes cannot be directly applied; the semi-dry desulfurized fly ash, converter steel slag and dust mud kiln slag are difficult to utilize; TiO22The problem of good response to ultraviolet light sources, but insufficient visible light sources; the production of the interior wall putty powder consumes a large amount of resources and energy, and the formaldehyde release is poor in environmental protection; the calcination or strong oxidation medicament is adopted to treat calcium sulfite in the dry and semi-dry desulfurized fly ash and oxidize the calcium sulfite into calcium sulfate to prepare the interior wall putty powder, so that the problems of poor cleanness and safety exist; and the putty powder for the inner wall has single function, so that the problems of weak market competitiveness and low added value are caused. The invention provides reinforced-purified-flame-retardant interior wall putty powder based on semidry desulfurization ash, aiming at solving the problems.
In order to solve the above technical problems, the present invention is realized by the following technical solutions.
The invention provides reinforced-purified-flame-retardant interior wall putty powder based on semidry desulfurization ash, which comprises the following raw materials in percentage by weight:
the fineness of the semi-dry desulfurization ash is 400 meshes.
The white cement is white portland cement with the grade of P.W 32.5.
The converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water, the mass ratio of the converter steel slag, the aluminum ash and the water is 1:4:1-2:4:1, and the fineness is 400 meshes.
The talcum powder-bentonite mixed powder has the mass ratio of 1:2-2:1 of talcum powder to bentonite and the fineness of 400 meshes; the lowest film forming temperature of the latex powder is 0-5 ℃.
The mass ratio of the polyvinyl alcohol to the carboxymethyl cellulose ether is 1:5-1: 8.
The kiln slag modified TiO containing the zinc dust mud2Kiln slag containing zinc dust and TiO2In a mass ratio of 1:100 to 3: 100.
The fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 25-50.
The invention also provides a preparation method of the reinforcement-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash, which comprises the following steps:
(1) firstly, stirring the mixture of converter steel slag and aluminum ash for 60min to 90min by using a magnetic stirrer with the rotating speed of 400r/min to 500r/min at room temperature to obtain the mixture of converter steel slag and aluminum ash. Secondly, adding water into the converter steel slag-aluminum ash mixture, and stirring the mixture at high speed for 30min by using a magnetic stirrer with the rotating speed of 600r/min-800r/min at room temperature to obtain the converter steel slag-aluminum ash composite slurry. And then placing the converter steel slag-aluminum ash composite slurry into a cement constant-temperature constant-humidity curing box for curing for 21d to obtain a converter steel slag-aluminum ash cured product. And finally, grinding the solidified converter steel slag-aluminum ash by using a grinder to obtain the solidified converter steel slag-aluminum ash powder with the fineness of 400 meshes.
(2) Firstly, at room temperature, the kiln slag and TiO of the zinc-containing dust mud are stirred by a magnetic stirrer with the rotating speed of 300r/min-400r/min2The mixture is stirred for 18 to 24 hours to obtain the zinc-containing dust mud kiln slag modified TiO2A precursor. Then, modifying the kiln slag containing the zinc dust mud into TiO2The precursor is put into a moderate temperature experimental furnace to be heated to 600-800 ℃ at the speed of 1.5-2.5 ℃/min, the temperature is kept for 2h, and the mixture is naturally cooled to room temperature to obtain the zinc-containing dust mud kiln slag modified TiO2。
(3) Firstly, a high-energy ball mill with the atmosphere of oxygen and the rotating speed of 400r/min-600r/min is used for carrying out mechanical alloying treatment on semi-dry desulfurization ash for 6h-12h to obtain the oxidized desulfurization ash. Secondly, the oxidized desulfurized ash, the converter steel slag-aluminum ash solidified powder, the talcum powder-bentonite mixed powder and the zinc-containing dust and mud kiln slag modified TiO2Compounding, and mixing for 8-12 h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 300-500 r/min to obtain a mixture A. And compounding the mixture A with white cement and waste rubber fiber powder, and mixing the mixture A with the white cement and the waste rubber fiber powder for 6-12 hours by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 200-400 r/min to obtain a mixture B. And finally compounding the mixture B with latex powder and a polyvinyl alcohol-carboxymethyl cellulose ether mixture, and mixing the mixture B for 0.5 to 1.5 hours by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 100 to 200r/min to obtain the enhanced-purification-flame-retardant interior wall putty powder based on semi-dry desulfurization ash.
The scientific principle of the invention is as follows:
(1) the mechanical alloying is that the powder mixture continuously generates new molecules or atom surfaces under the action of mechanical force, and a layered structure is formed and continuously refined through the repeated deformation-crushing-refining process, thereby shortening the mutual diffusion distance between solid particles,accelerating the powder compounding process to form a solid solution or compound with a uniform and stable structure. On one hand, the mechanical alloying treatment is driven by clean energy power under the oxygen atmosphere, so that the calcium sulfite and oxygen in the semi-dry desulfurized fly ash are promoted to react to form stable calcium sulfate; on the other hand, the Fe in the kiln slag containing zinc dust mud is utilized to react with TiO in the nitrogen atmosphere2Modified to enhance TiO2The ability to respond to visible light sources.
(2) SiO in converter steel slag2、CaO、Fe2O3And the content of MgO is high, the gelling activity is realized, and the gelling activity of the converter steel slag is utilized to carry out curing treatment on the aluminum ash so as to realize the safety of the aluminum ash. While Al in the aluminum ash2O3High content of Fe in converter steel slag2O3And a high content of MgO, wherein Al2O3Fe and MgO which are flame retardant substances with flame retardant effect2O3Ferrocene formed in the combustion process has smoke abatement effect and can improve the flame retardant property of the interior wall putty powder.
(3) The waste rubber fiber powder has a good length-diameter ratio, and can be used for the interior wall putty powder to improve the adhesive force effect on the wall; simultaneously zinc-containing dust and mud kiln slag modified TiO2Compounding with waste rubber fiber powder, and modifying TiO by using kiln slag containing zinc dust mud2The whiteness of the rubber fiber is used for covering the black color of the waste rubber fiber powder.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention solves the problem that the calcium sulfite is unstable in the existing semi-dry desulfurization and is easily oxidized into calcium sulfate when being used for building materials, so that the building materials are cracked; the aluminum ash belongs to the problem that dangerous solid wastes cannot be directly applied; the semi-dry desulfurized fly ash, converter steel slag and dust mud kiln slag are difficult to utilize; TiO22The problem of good response to ultraviolet light sources, but insufficient visible light sources; the production of the interior wall putty powder consumes a large amount of resources and energy, and the formaldehyde release is poor in environmental protection; the calcination or strong oxidation medicament is adopted to treat calcium sulfite in the dry and semi-dry desulfurized fly ash and oxidize the calcium sulfite into calcium sulfate to prepare the interior wall putty powder, so that the problems of poor cleanness and safety exist; and interior wall puttyThe seed powder has single function, so that the problems of weak market competitiveness and low added value are caused.
2. According to the invention, calcium sulfite in the semi-dry desulfurization ash is oxidized to form calcium sulfate by a cleaner and safer mechanical alloying technology in an oxygen atmosphere, and the enhanced-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash is prepared from the calcium sulfate, the aluminum ash, the converter steel slag and the dust mud kiln slag, so that the enhanced-purification-flame-retardant integration of the interior wall putty powder is realized, the high-performance and high-added-value resource utilization of the difficultly-treated semi-dry desulfurization ash, the aluminum ash, the converter steel slag and the dust mud kiln slag is realized, the enterprise synergy is promoted, and the current industrial development requirements of energy conservation, environmental protection and circular economy are met.
Drawings
FIG. 1 is a schematic view of an HJC-1 environmental test chamber simulating an indoor environment under a visible light source;
FIG. 2 is a schematic representation of the fire resistance test;
in the figure: 1. a temperature and humidity sensor; 2. a sampling port; 3. a fan; 4. a visible light source; 5. alcohol blowtorch; 6. a support; 7. an iron stand with an iron clamp; 8. a test board; a. formaldehyde gas; b. reinforcing-purifying-flame-retardant interior wall putty powder slurry based on semidry desulfurization ash.
Detailed Description
The present invention will be described in detail with reference to specific examples, but the present invention is not limited to the examples.
Example 1
The components used for preparing 100g of the product of the invention and the mass ratio thereof are as follows:
the chemical component (mass percentage) of the semidry desulfurization ash is SO3(30.74％)、CaO(63.54％)、MgO(0.56％)、SiO2(1.67％)、Al2O3(0.63％)、TiO2(0.05％)、K2O(0.36％)、 Na2O(0.12％)、Cl(0.95％)、Fe2O3(0.83%), others (0.55%), the fineness of which is 400%To achieve the purpose.
The white cement is white portland cement with the grade of P.W 32.5.
The converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water, the mass ratio of the converter steel slag, the aluminum ash and the water is 2:4:1, the fineness is 400 meshes, and the chemical components (mass percentage) of the converter steel slag are SiO2(12.31％)、Al2O3(1.56％)、CaO(47.00％)、Fe2O3(25.08％)、MgO(5.61％)、 SO3(2.16%) and others (6.28%), and the chemical component of the aluminum ash is Al2O3(75.21％)、SiO2(2.22％)、 Ca(Mg)O(8.03％)、Fe2O3(1.18％)、TiO2(0.26%), Ca (Mg) F (5.88%), Na (K) F (1.04%), others (6.24%).
The talcum powder-bentonite mixed powder has the mass ratio of 1:1 of talcum powder to bentonite and the fineness of 400 meshes; the lowest film forming temperature of the latex powder is 0-5 ℃.
The mass ratio of the polyvinyl alcohol to the carboxymethyl cellulose ether is 1: 8.
The kiln slag modified TiO containing the zinc dust mud2Kiln slag containing zinc dust and TiO2The mass ratio of the zinc-containing dust mud to the kiln slag is 1:100, wherein the element content of the zinc-containing dust mud kiln slag is Fe (26.60%), Zn (2.56%), Si (9.31%), Al (6.05%), Ca (10.31%), S (3.42%), Na (1.59%), Mg (1.87%), Mn (1.21%) and O (37.08%).
The fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 30.
(1) Firstly, stirring the mixture of converter steel slag and aluminum ash for 70min by using a magnetic stirrer with the rotating speed of 500r/min at room temperature to obtain the mixture of converter steel slag and aluminum ash. Secondly, adding water into the converter steel slag-aluminum ash mixture, and stirring the mixture at high speed for 30min by using a magnetic stirrer with the rotating speed of 600r/min at room temperature to obtain the converter steel slag-aluminum ash composite slurry. And then placing the converter steel slag-aluminum ash composite slurry into a cement constant-temperature constant-humidity curing box for curing for 21d to obtain a converter steel slag-aluminum ash cured product. And finally, grinding the solidified converter steel slag-aluminum ash by using a grinder to obtain the solidified converter steel slag-aluminum ash powder with the fineness of 400 meshes.
(2) Firstly, at room temperature, the kiln slag and TiO of the zinc-containing dust mud are stirred by a magnetic stirrer with the rotating speed of 350r/min2Stirring the mixture for 22 hours to obtain the zinc-containing dust mud kiln slag modified TiO2A precursor. Then, modifying the kiln slag containing the zinc dust mud into TiO2The precursor is put into a medium-temperature experimental furnace to be heated to 800 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 2h, and the precursor is naturally cooled to room temperature to obtain the zinc-containing dust mud kiln slag modified TiO2。
(3) Firstly, a high-energy ball mill with the atmosphere of oxygen and the rotating speed of 500r/min is used for carrying out mechanical alloying treatment on the semi-dry method desulfurized fly ash for 6 hours to obtain the oxidized desulfurized fly ash. Secondly, the oxidized desulfurized ash, the converter steel slag-aluminum ash solidified powder, the talcum powder-bentonite mixed powder and the zinc-containing dust and mud kiln slag modified TiO2Compounding, and mixing for 10h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 500r/min to obtain a mixture A. And compounding the mixture A with white cement and waste rubber fiber powder, and mixing the mixture A with high-energy ball mill for 10 hours at the rotating speed of 200r/min in the atmosphere of nitrogen to obtain a mixture B. And finally compounding the mixture B with latex powder and a polyvinyl alcohol-carboxymethyl cellulose ether mixture, and mixing the mixture B for 1.5 hours by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 150r/min to obtain the reinforcement-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash.
Example 2
The components used for preparing 100g of the product of the invention and the mass ratio thereof are as follows:
the chemical component (mass percentage) of the semidry desulfurization ash is SO3(30.74％)、CaO(63.54％)、MgO(0.56％)、SiO2(1.67％)、Al2O3(0.63％)、TiO2(0.05％)、K2O(0.36％)、 Na2O(0.12％)、Cl(0.95％)、Fe2O3(0.83%) and others (0.55%) with a fineness of 400 mesh。
The white cement is white portland cement with the grade of P.W 32.5.
The converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water, the mass ratio of the converter steel slag, the aluminum ash and the water is 1:4:1, the fineness is 400 meshes, and the chemical components (mass percentage) of the converter steel slag are SiO2(12.31％)、Al2O3(1.56％)、CaO(47.00％)、Fe2O3(25.08％)、MgO(5.61％)、 SO3(2.16%) and others (6.28%), and the chemical component of the aluminum ash is Al2O3(75.21％)、SiO2(2.22％)、 Ca(Mg)O(8.03％)、Fe2O3(1.18％)、TiO2(0.26%), Ca (Mg) F (5.88%), Na (K) F (1.04%), others (6.24%).
The talcum powder-bentonite mixed powder has the mass ratio of 2:1 of talcum powder to bentonite and the fineness of 400 meshes; the lowest film forming temperature of the latex powder is 0-5 ℃.
The mass ratio of the polyvinyl alcohol to the carboxymethyl cellulose ether is 1: 6.
The kiln slag modified TiO containing the zinc dust mud2Kiln slag containing zinc dust and TiO2The mass ratio of the zinc-containing dust mud to the kiln slag is 3:100, wherein the element content of the zinc-containing dust mud to the kiln slag is Fe (26.60%), Zn (2.56%), Si (9.31%), Al (6.05%), Ca (10.31%), S (3.42%), Na (1.59%), Mg (1.87%), Mn (1.21%) and O (37.08%).
The fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 45.
(1) Firstly, stirring the mixture of converter steel slag and aluminum ash for 90min by using a magnetic stirrer with the rotating speed of 450r/min at room temperature to obtain the mixture of converter steel slag and aluminum ash. Secondly, adding water into the converter steel slag-aluminum ash mixture, and stirring the mixture at room temperature for 30min by using a magnetic stirrer with the rotating speed of 700r/min to obtain the converter steel slag-aluminum ash composite slurry. And then placing the converter steel slag-aluminum ash composite slurry into a cement constant-temperature constant-humidity curing box for curing for 21d to obtain a converter steel slag-aluminum ash cured product. And finally, grinding the solidified converter steel slag-aluminum ash by using a grinder to obtain the solidified converter steel slag-aluminum ash powder with the fineness of 400 meshes.
(2) Firstly, at room temperature, kiln slag and TiO of zinc-containing dust mud are stirred by a magnetic stirrer with the rotating speed of 400r/min2Stirring the mixture for 24 hours to obtain the zinc-containing dust mud kiln slag modified TiO2A precursor. Then, modifying the kiln slag containing the zinc dust mud into TiO2The precursor is put into a medium-temperature experimental furnace and heated to 600 ℃ at the speed of 2 ℃/min, the temperature is kept for 2h, and the precursor is naturally cooled to room temperature to obtain the zinc-containing dust mud kiln slag modified TiO2。
(3) Firstly, a high-energy ball mill with the atmosphere of oxygen and the rotating speed of 400r/min is used for carrying out mechanical alloying treatment on semi-dry desulfurization ash for 10 hours to obtain oxidized desulfurization ash. Secondly, the oxidized desulfurized ash, the converter steel slag-aluminum ash solidified powder, the talcum powder-bentonite mixed powder and the zinc-containing dust and mud kiln slag modified TiO2Compounding, and mixing for 8 hours by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 400r/min to obtain a mixture A. And compounding the mixture A with white cement and waste rubber fiber powder, and mixing the mixture A with high-energy ball mill for 8 hours at the rotating speed of 300r/min in the atmosphere of nitrogen to obtain a mixture B. And finally compounding the mixture B with latex powder and a polyvinyl alcohol-carboxymethyl cellulose ether mixture, and mixing the mixture B for 0.5h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 200r/min to obtain the reinforcement-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash.
Example 3
The components used for preparing 100g of the product of the invention and the mass ratio thereof are as follows:
the chemical component (mass percentage) of the semidry desulfurization ash is SO3(30.74％)、CaO(63.54％)、MgO(0.56％)、SiO2(1.67％)、Al2O3(0.63％)、TiO2(0.05％)、K2O(0.36％)、 Na2O(0.12％)、Cl(0.95％)、Fe2O3(0.83%) and others (0.55%), and the fineness thereof was 400 mesh.
The white cement is white portland cement with the grade of P.W 32.5.
The converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water, the mass ratio of the converter steel slag, the aluminum ash and the water is 2:4:1, the fineness is 400 meshes, and the chemical components (mass percentage) of the converter steel slag are SiO2(12.31％)、Al2O3(1.56％)、CaO(47.00％)、Fe2O3(25.08％)、MgO(5.61％)、 SO3(2.16%), others (6.28%) and Al as Al ash2O3(75.21％)、 SiO2(2.22％)、Ca(Mg)O(8.03％)、Fe2O3(1.18％)、TiO2(0.26%), Ca (Mg) F (5.88%), Na (K) F (1.04%), others (6.24%).
The talcum powder-bentonite mixed powder has the mass ratio of 1:2 of talcum powder to bentonite and the fineness of 400 meshes; the lowest film forming temperature of the latex powder is 0-5 ℃.
The mass ratio of the polyvinyl alcohol to the carboxymethyl cellulose ether is 1: 7.
The kiln slag modified TiO containing the zinc dust mud2Kiln slag containing zinc dust and TiO2The mass ratio of the zinc-containing dust mud to the kiln slag is 2:100, wherein the element content of the zinc-containing dust mud kiln slag is Fe (26.60%), Zn (2.56%), Si (9.31%), Al (6.05%), Ca (10.31%), S (3.42%), Na (1.59%), Mg (1.87%), Mn (1.21%) and O (37.08%).
The fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 50.
(1) Firstly, stirring the mixture of converter steel slag and aluminum ash for 60min by using a magnetic stirrer with the rotating speed of 400r/min at room temperature to obtain the mixture of converter steel slag and aluminum ash. Secondly, adding water into the converter steel slag-aluminum ash mixture, and stirring the mixture at room temperature for 30min by using a magnetic stirrer with the rotating speed of 800r/min to obtain the converter steel slag-aluminum ash composite slurry. And then placing the converter steel slag-aluminum ash composite slurry into a cement constant-temperature constant-humidity curing box for curing for 21d to obtain a converter steel slag-aluminum ash cured product. And finally, grinding the solidified converter steel slag-aluminum ash by using a grinder to obtain the solidified converter steel slag-aluminum ash powder with the fineness of 400 meshes.
(2) Firstly, at room temperature, the kiln slag and TiO of the zinc-containing dust mud are stirred by a magnetic stirrer with the rotating speed of 300r/min2Stirring the mixture for 18 hours to obtain the zinc-containing dust mud kiln slag modified TiO2A precursor. Then, modifying the kiln slag containing the zinc dust mud into TiO2The precursor is put into a medium-temperature experimental furnace and heated to 700 ℃ at the speed of 2.5 ℃/min, the temperature is kept for 2h, and the precursor is naturally cooled to room temperature to obtain the zinc-containing dust mud kiln slag modified TiO2。
(3) Firstly, a high-energy ball mill with the atmosphere of oxygen and the rotating speed of 600r/min is used for carrying out mechanical alloying treatment on the semi-dry method desulfurized fly ash for 8 hours to obtain the oxidized desulfurized fly ash. Secondly, the oxidized desulfurized ash, the converter steel slag-aluminum ash solidified powder, the talcum powder-bentonite mixed powder and the zinc-containing dust and mud kiln slag modified TiO2Compounding, and mixing for 12h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 300r/min to obtain a mixture A. And compounding the mixture A with white cement and waste rubber fiber powder, and mixing the mixture A with high-energy ball mill for 12 hours at the rotating speed of 400r/min in the atmosphere of nitrogen to obtain a mixture B. And finally compounding the mixture B with latex powder and a polyvinyl alcohol-carboxymethyl cellulose ether mixture, and mixing the mixture B for 1h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 100r/min to obtain the enhanced-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash.
Example 4
The components used for preparing 100g of the product of the invention and the mass ratio thereof are as follows:
the chemical component (mass percentage) of the semidry desulfurization ash is SO3(30.74％)、CaO(63.54％)、MgO(0.56％)、SiO2(1.67％)、Al2O3(0.63％)、TiO2(0.05％)、K2O(0.36％)、 Na2O(0.12％)、Cl(0.95％)、Fe2O3(0.83%), others (0.55%), fineThe degree is 400 meshes.
The white cement is white portland cement with the grade of P.W 32.5.
The converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water, the mass ratio of the converter steel slag, the aluminum ash and the water is 1:4:1, the fineness is 400 meshes, and the chemical components (mass percentage) of the converter steel slag are SiO2(12.31％)、Al2O3(1.56％)、CaO(47.00％)、Fe2O3(25.08％)、MgO(5.61％)、 SO3(2.16%) and others (6.28%), and the chemical component of the aluminum ash is Al2O3(75.21％)、SiO2(2.22％)、 Ca(Mg)O(8.03％)、Fe2O3(1.18％)、TiO2(0.26%), Ca (Mg) F (5.88%), Na (K) F (1.04%), others (6.24%).
The talcum powder-bentonite mixed powder has the mass ratio of 2:1 of talcum powder to bentonite and the fineness of 400 meshes; the lowest film forming temperature of the latex powder is 0-5 ℃.
The mass ratio of the polyvinyl alcohol to the carboxymethyl cellulose ether is 1: 5.
The kiln slag modified TiO containing the zinc dust mud2Kiln slag containing zinc dust and TiO2The mass ratio of the zinc-containing dust mud to the kiln slag is 1:100, wherein the element content of the zinc-containing dust mud kiln slag is Fe (26.60%), Zn (2.56%), Si (9.31%), Al (6.05%), Ca (10.31%), S (3.42%), Na (1.59%), Mg (1.87%), Mn (1.21%) and O (37.08%).
The fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 25.
(1) Firstly, stirring the mixture of converter steel slag and aluminum ash for 80min by using a magnetic stirrer with the rotating speed of 450r/min at room temperature to obtain the mixture of converter steel slag and aluminum ash. Secondly, adding water into the converter steel slag-aluminum ash mixture, and stirring the mixture at room temperature for 30min by using a magnetic stirrer with the rotating speed of 800r/min to obtain the converter steel slag-aluminum ash composite slurry. And then placing the converter steel slag-aluminum ash composite slurry into a cement constant-temperature constant-humidity curing box for curing for 21d to obtain a converter steel slag-aluminum ash cured product. And finally, grinding the solidified converter steel slag-aluminum ash by using a grinder to obtain the solidified converter steel slag-aluminum ash powder with the fineness of 400 meshes.
(2) Firstly, at room temperature, the kiln slag and TiO of the zinc-containing dust mud are stirred by a magnetic stirrer with the rotating speed of 300r/min2Stirring the mixture for 20 hours to obtain the zinc-containing dust mud kiln slag modified TiO2A precursor. Then, modifying the kiln slag containing the zinc dust mud into TiO2The precursor is put into a medium-temperature experimental furnace to be heated to 600 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 2h, and the precursor is naturally cooled to room temperature to obtain the zinc-containing dust mud kiln slag modified TiO2。
(3) Firstly, a high-energy ball mill with the atmosphere of oxygen and the rotating speed of 600r/min is used for carrying out mechanical alloying treatment on the semi-dry method desulfurized fly ash for 12 hours to obtain the oxidized desulfurized fly ash. Secondly, the oxidized desulfurized ash, the converter steel slag-aluminum ash solidified powder, the talcum powder-bentonite mixed powder and the zinc-containing dust and mud kiln slag modified TiO2Compounding, and mixing for 8h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 500r/min to obtain a mixture A. And compounding the mixture A with white cement and waste rubber fiber powder, and mixing the mixture A with high-energy ball mill for 6 hours at the rotating speed of 200r/min in the atmosphere of nitrogen to obtain a mixture B. And finally compounding the mixture B with latex powder and a polyvinyl alcohol-carboxymethyl cellulose ether mixture, and mixing the mixture B for 0.5h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 200r/min to obtain the reinforcement-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash.
Example 5
The components used for preparing 100g of the product of the invention and the mass ratio thereof are as follows:
the chemical component (mass percentage) of the semidry desulfurization ash is SO3(30.74％)、CaO(63.54％)、MgO(0.56％)、SiO2(1.67％)、Al2O3(0.63％)、TiO2(0.05％)、K2O(0.36％)、Na2O(0.12％)、Cl(0.95％)、Fe2O3(0.83%), others (0.55%), fineThe degree is 400 meshes.
The white cement is white portland cement with the grade of P.W 32.5.
The converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water, the mass ratio of the converter steel slag, the aluminum ash and the water is 2:4:1, the fineness is 400 meshes, and the chemical components (mass percentage) of the converter steel slag are SiO2(12.31％)、Al2O3(1.56％)、CaO(47.00％)、Fe2O3(25.08％)、MgO(5.61％)、 SO3(2.16%) and others (6.28%), and the chemical component of the aluminum ash is Al2O3(75.21％)、SiO2(2.22％)、 Ca(Mg)O(8.03％)、Fe2O3(1.18％)、TiO2(0.26%), Ca (Mg) F (5.88%), Na (K) F (1.04%), others (6.24%).
The talcum powder-bentonite mixed powder has the mass ratio of 1:2 of talcum powder to bentonite and the fineness of 400 meshes; the lowest film forming temperature of the latex powder is 0-5 ℃.
The mass ratio of the polyvinyl alcohol to the carboxymethyl cellulose ether is 1: 7.
The kiln slag modified TiO containing the zinc dust mud2Kiln slag containing zinc dust and TiO2The mass ratio of the zinc-containing dust mud to the kiln slag is 3:100, wherein the element content of the zinc-containing dust mud to the kiln slag is Fe (26.60%), Zn (2.56%), Si (9.31%), Al (6.05%), Ca (10.31%), S (3.42%), Na (1.59%), Mg (1.87%), Mn (1.21%) and O (37.08%).
The fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 40.
(1) Firstly, stirring the mixture of converter steel slag and aluminum ash for 60min by using a magnetic stirrer with the rotating speed of 400r/min at room temperature to obtain the mixture of converter steel slag and aluminum ash. Secondly, adding water into the converter steel slag-aluminum ash mixture, and stirring the mixture at high speed for 30min by using a magnetic stirrer with the rotating speed of 600r/min at room temperature to obtain the converter steel slag-aluminum ash composite slurry. And then placing the converter steel slag-aluminum ash composite slurry into a cement constant-temperature constant-humidity curing box for curing for 21d to obtain a converter steel slag-aluminum ash cured product. And finally, grinding the solidified converter steel slag-aluminum ash by using a grinder to obtain the solidified converter steel slag-aluminum ash powder with the fineness of 400 meshes.
(2) Firstly, at room temperature, kiln slag and TiO of zinc-containing dust mud are stirred by a magnetic stirrer with the rotating speed of 400r/min2Stirring the mixture for 24 hours to obtain the zinc-containing dust mud kiln slag modified TiO2A precursor. Then, modifying the kiln slag containing the zinc dust mud into TiO2The precursor is put into a medium-temperature experimental furnace to be heated to 800 ℃ at the speed of 2.5 ℃/min, the temperature is kept for 2h, and the precursor is naturally cooled to room temperature to obtain the zinc-containing dust mud kiln slag modified TiO2。
(3) Firstly, a high-energy ball mill with the atmosphere of oxygen and the rotating speed of 400r/min is used for carrying out mechanical alloying treatment on the semi-dry method desulfurized fly ash for 8 hours to obtain the oxidized desulfurized fly ash. Secondly, the oxidized desulfurized ash, the converter steel slag-aluminum ash solidified powder, the talcum powder-bentonite mixed powder and the zinc-containing dust and mud kiln slag modified TiO2Compounding, and mixing for 12h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 300r/min to obtain a mixture A. And compounding the mixture A with white cement and waste rubber fiber powder, and mixing the mixture A with high-energy ball mill for 12 hours at the rotating speed of 400r/min in the atmosphere of nitrogen to obtain a mixture B. And finally compounding the mixture B with latex powder and a polyvinyl alcohol-carboxymethyl cellulose ether mixture, and mixing the mixture B for 1.5 hours by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 100r/min to obtain the reinforcement-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash.
Example 6
The components used for preparing 100g of the product of the invention and the mass ratio thereof are as follows:
the chemical component (mass percentage) of the semidry desulfurization ash is SO3(30.74％)、CaO(63.54％)、MgO(0.56％)、SiO2(1.67％)、Al2O3(0.63％)、TiO2(0.05％)、K2O(0.36％)、 Na2O(0.12％)、Cl(0.95％)、Fe2O3(0.83%), others (0.55%), fineThe degree is 400 meshes.
The white cement is white portland cement with the grade of P.W 32.5.
The converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water, the mass ratio of the converter steel slag, the aluminum ash and the water is 1:4:1, the fineness is 400 meshes, and the chemical components (mass percentage) of the converter steel slag are SiO2(12.31％)、Al2O3(1.56％)、CaO(47.00％)、Fe2O3(25.08％)、MgO(5.61％)、 SO3(2.16%) and others (6.28%), and the chemical component of the aluminum ash is Al2O3(75.21％)、SiO2(2.22％)、 Ca(Mg)O(8.03％)、Fe2O3(1.18％)、TiO2(0.26%), Ca (Mg) F (5.88%), Na (K) F (1.04%), others (6.24%).
The talcum powder-bentonite mixed powder has the mass ratio of 1:1 of talcum powder to bentonite and the fineness of 400 meshes; the lowest film forming temperature of the latex powder is 0-5 ℃.
The mass ratio of the polyvinyl alcohol to the carboxymethyl cellulose ether is 1: 6.
The kiln slag modified TiO containing the zinc dust mud2Kiln slag containing zinc dust and TiO2The mass ratio of the zinc-containing dust mud to the kiln slag is 2:100, wherein the element content of the zinc-containing dust mud kiln slag is Fe (26.60%), Zn (2.56%), Si (9.31%), Al (6.05%), Ca (10.31%), S (3.42%), Na (1.59%), Mg (1.87%), Mn (1.21%) and O (37.08%).
The fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 35.
(1) Firstly, stirring the mixture of converter steel slag and aluminum ash for 70min by using a magnetic stirrer with the rotating speed of 500r/min at room temperature to obtain the mixture of converter steel slag and aluminum ash. Secondly, adding water into the converter steel slag-aluminum ash mixture, and stirring the mixture at room temperature for 30min by using a magnetic stirrer with the rotating speed of 700r/min to obtain the converter steel slag-aluminum ash composite slurry. And then placing the converter steel slag-aluminum ash composite slurry into a cement constant-temperature constant-humidity curing box for curing for 21d to obtain a converter steel slag-aluminum ash cured product. And finally, grinding the solidified converter steel slag-aluminum ash by using a grinder to obtain the solidified converter steel slag-aluminum ash powder with the fineness of 400 meshes.
(2) Firstly, at room temperature, the kiln slag and TiO of the zinc-containing dust mud are stirred by a magnetic stirrer with the rotating speed of 350r/min2Stirring the mixture for 22 hours to obtain the zinc-containing dust mud kiln slag modified TiO2A precursor. Then, modifying the kiln slag containing the zinc dust mud into TiO2The precursor is put into a medium-temperature experimental furnace and heated to 700 ℃ at the speed of 2 ℃/min, the temperature is kept for 2h, and the precursor is naturally cooled to room temperature to obtain the zinc-containing dust mud kiln slag modified TiO2。
(3) Firstly, a high-energy ball mill with the atmosphere of oxygen and the rotating speed of 500r/min is used for carrying out mechanical alloying treatment on semi-dry desulfurization ash for 10 hours to obtain oxidized desulfurization ash. Secondly, the oxidized desulfurized ash, the converter steel slag-aluminum ash solidified powder, the talcum powder-bentonite mixed powder and the zinc-containing dust and mud kiln slag modified TiO2Compounding, and mixing for 10h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 400r/min to obtain a mixture A. And compounding the mixture A with white cement and waste rubber fiber powder, and mixing the mixture A with high-energy ball mill for 8 hours at the rotating speed of 300r/min in the atmosphere of nitrogen to obtain a mixture B. And finally compounding the mixture B with latex powder and a polyvinyl alcohol-carboxymethyl cellulose ether mixture, and mixing the mixture B for 1h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 150r/min to obtain the enhanced-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash.
Comparative example 1
The components used for preparing 100g of the product of the invention and the mass ratio thereof are as follows:
the chemical component (mass percentage) of the semidry desulfurization ash is SO3(30.74％)、CaO(63.54％)、MgO(0.56％)、SiO2(1.67％)、Al2O3(0.63％)、TiO2(0.05％)、K2O(0.36％)、 Na2O(0.12％)、Cl(0.95％)、Fe2O3(0.83%), others (0.55%), their finenessIs 400 meshes.
The white cement is white portland cement with the grade of P.W 32.5.
The converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water, the mass ratio of the converter steel slag, the aluminum ash and the water is 1:4:1, the fineness is 400 meshes, and the chemical components (mass percentage) of the converter steel slag are SiO2(12.31％)、Al2O3(1.56％)、CaO(47.00％)、Fe2O3(25.08％)、MgO(5.61％)、 SO3(2.16%) and others (6.28%), and the chemical component of the aluminum ash is Al2O3(75.21％)、SiO2(2.22％)、 Ca(Mg)O(8.03％)、Fe2O3(1.18％)、TiO2(0.26%), Ca (Mg) F (5.88%), Na (K) F (1.04%), others (6.24%).
The talcum powder-bentonite mixed powder has the mass ratio of 1:1 of talcum powder to bentonite and the fineness of 400 meshes; the lowest film forming temperature of the latex powder is 0-5 ℃.
The mass ratio of the polyvinyl alcohol to the carboxymethyl cellulose ether is 1: 6.
The kiln slag modified TiO containing the zinc dust mud2Kiln slag containing zinc dust and TiO2The mass ratio of the zinc-containing dust mud to the kiln slag is 2:100, wherein the element content of the zinc-containing dust mud kiln slag is Fe (26.60%), Zn (2.56%), Si (9.31%), Al (6.05%), Ca (10.31%), S (3.42%), Na (1.59%), Mg (1.87%), Mn (1.21%) and O (37.08%).
The fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 35.
(1) Firstly, stirring the mixture of converter steel slag and aluminum ash for 70min by using a magnetic stirrer with the rotating speed of 500r/min at room temperature to obtain the mixture of converter steel slag and aluminum ash. Secondly, adding water into the converter steel slag-aluminum ash mixture, and stirring the mixture at room temperature for 30min by using a magnetic stirrer with the rotating speed of 700r/min to obtain the converter steel slag-aluminum ash composite slurry. And then placing the converter steel slag-aluminum ash composite slurry into a cement constant-temperature constant-humidity curing box for curing for 21d to obtain a converter steel slag-aluminum ash cured product. And finally, grinding the solidified converter steel slag-aluminum ash by using a grinder to obtain the solidified converter steel slag-aluminum ash powder with the fineness of 400 meshes.
(2) Firstly, at room temperature, the kiln slag and TiO of the zinc-containing dust mud are stirred by a magnetic stirrer with the rotating speed of 350r/min2Stirring the mixture for 22 hours to obtain the zinc-containing dust mud kiln slag modified TiO2A precursor. Then, modifying the kiln slag containing the zinc dust mud into TiO2The precursor is put into a medium-temperature experimental furnace and heated to 700 ℃ at the speed of 2 ℃/min, the temperature is kept for 2h, and the precursor is naturally cooled to room temperature to obtain the zinc-containing dust mud kiln slag modified TiO2。
(3) Firstly, a high-energy ball mill with the atmosphere of oxygen and the rotating speed of 500r/min is used for carrying out mechanical alloying treatment on semi-dry desulfurization ash for 10 hours to obtain oxidized desulfurization ash. Secondly, the oxidized desulfurized ash, the converter steel slag-aluminum ash solidified powder, the talcum powder-bentonite mixed powder and the zinc-containing dust and mud kiln slag modified TiO2Compounding, and mixing for 10h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 400r/min to obtain a mixture A. And compounding the mixture A with white cement and waste rubber fiber powder, and mixing the mixture A with high-energy ball mill for 8 hours at the rotating speed of 300r/min in the atmosphere of nitrogen to obtain a mixture B. And finally compounding the mixture B with latex powder and a polyvinyl alcohol-carboxymethyl cellulose ether mixture, and mixing the mixture B for 1h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 150r/min to obtain the enhanced-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash.
Comparative example 2
The components used for preparing 100g of the product of the invention and the mass ratio thereof are as follows:
the chemical component (mass percentage) of the semidry desulfurization ash is SO3(30.74％)、CaO(63.54％)、MgO(0.56％)、SiO2(1.67％)、Al2O3(0.63％)、TiO2(0.05％)、K2O(0.36％)、Na2O(0.12％)、Cl(0.95％)、Fe2O3(0.83%) and others (0.55%), and the fineness thereof was 400 mesh.
The white cement is white portland cement with the grade of P.W 32.5.
The converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water, the mass ratio of the converter steel slag, the aluminum ash and the water is 1:4:1, the fineness is 400 meshes, and the chemical components (mass percentage) of the converter steel slag are SiO2(12.31％)、Al2O3(1.56％)、CaO(47.00％)、Fe2O3(25.08％)、MgO(5.61％)、 SO3(2.16%) and others (6.28%), and the chemical component of the aluminum ash is Al2O3(75.21％)、SiO2(2.22％)、 Ca(Mg)O(8.03％)、Fe2O3(1.18％)、TiO2(0.26%), Ca (Mg) F (5.88%), Na (K) F (1.04%), others (6.24%).
The talcum powder-bentonite mixed powder has the mass ratio of 1:1 of talcum powder to bentonite and the fineness of 400 meshes; the lowest film forming temperature of the latex powder is 0-5 ℃.
The mass ratio of the polyvinyl alcohol to the carboxymethyl cellulose ether is 1: 6.
The kiln slag modified TiO containing the zinc dust mud2Kiln slag containing zinc dust and TiO2The mass ratio of the zinc-containing dust mud to the kiln slag is 2:100, wherein the element content of the zinc-containing dust mud kiln slag is Fe (26.60%), Zn (2.56%), Si (9.31%), Al (6.05%), Ca (10.31%), S (3.42%), Na (1.59%), Mg (1.87%), Mn (1.21%) and O (37.08%).
The fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 35.
(1) Firstly, stirring the mixture of converter steel slag and aluminum ash for 70min by using a magnetic stirrer with the rotating speed of 500r/min at room temperature to obtain the mixture of converter steel slag and aluminum ash. Secondly, adding water into the converter steel slag-aluminum ash mixture, and stirring the mixture at room temperature for 30min by using a magnetic stirrer with the rotating speed of 700r/min to obtain the converter steel slag-aluminum ash composite slurry. And then placing the converter steel slag-aluminum ash composite slurry into a cement constant-temperature constant-humidity curing box for curing for 21d to obtain a converter steel slag-aluminum ash cured product. And finally, grinding the solidified converter steel slag-aluminum ash by using a grinder to obtain the solidified converter steel slag-aluminum ash powder with the fineness of 400 meshes.
(2) Firstly, at room temperature, the kiln slag and TiO of the zinc-containing dust mud are stirred by a magnetic stirrer with the rotating speed of 350r/min2Stirring the mixture for 22 hours to obtain the zinc-containing dust mud kiln slag modified TiO2A precursor. Then, modifying the kiln slag containing the zinc dust mud into TiO2The precursor is put into a medium-temperature experimental furnace and heated to 700 ℃ at the speed of 2 ℃/min, the temperature is kept for 2h, and the precursor is naturally cooled to room temperature to obtain the zinc-containing dust mud kiln slag modified TiO2。
(3) Firstly, a high-energy ball mill with the atmosphere of oxygen and the rotating speed of 500r/min is used for carrying out mechanical alloying treatment on semi-dry desulfurization ash for 10 hours to obtain oxidized desulfurization ash. Secondly, the oxidized desulfurized ash, the converter steel slag-aluminum ash solidified powder, the talcum powder-bentonite mixed powder and the zinc-containing dust and mud kiln slag modified TiO2Compounding, and mixing for 10h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 400r/min to obtain a mixture A. And compounding the mixture A with white cement and waste rubber fiber powder, and mixing the mixture A with high-energy ball mill for 8 hours at the rotating speed of 300r/min in the atmosphere of nitrogen to obtain a mixture B. And finally compounding the mixture B with latex powder and a polyvinyl alcohol-carboxymethyl cellulose ether mixture, and mixing the mixture B for 1h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 150r/min to obtain the enhanced-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash.
Comparative example 3
The components used for preparing 100g of the product of the invention and the mass ratio thereof are as follows:
the semi-dry process thresherThe chemical composition (mass percent) of the sulfur ash is SO3(30.74％)、CaO(63.54％)、MgO(0.56％)、SiO2(1.67％)、Al2O3(0.63％)、TiO2(0.05％)、K2O(0.36％)、 Na2O(0.12％)、Cl(0.95％)、Fe2O3(0.83%) and others (0.55%), and the fineness thereof was 400 mesh.
The white cement is white portland cement with the grade of P.W 32.5.
The converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water, the mass ratio of the converter steel slag, the aluminum ash and the water is 1:4:1, the fineness is 400 meshes, and the chemical components (mass percentage) of the converter steel slag are SiO2(12.31％)、Al2O3(1.56％)、CaO(47.00％)、Fe2O3(25.08％)、MgO(5.61％)、 SO3(2.16%) and others (6.28%), and the chemical component of the aluminum ash is Al2O3(75.21％)、SiO2(2.22％)、 Ca(Mg)O(8.03％)、Fe2O3(1.18％)、TiO2(0.26%), Ca (Mg) F (5.88%), Na (K) F (1.04%), others (6.24%).
The talcum powder-bentonite mixed powder has the mass ratio of 1:1 of talcum powder to bentonite and the fineness of 400 meshes; the lowest film forming temperature of the latex powder is 0-5 ℃.
The mass ratio of the polyvinyl alcohol to the carboxymethyl cellulose ether is 1: 6.
The kiln slag modified TiO containing the zinc dust mud2Kiln slag containing zinc dust and TiO2The mass ratio of the zinc-containing dust mud to the kiln slag is 2:100, wherein the element content of the zinc-containing dust mud kiln slag is Fe (26.60%), Zn (2.56%), Si (9.31%), Al (6.05%), Ca (10.31%), S (3.42%), Na (1.59%), Mg (1.87%), Mn (1.21%) and O (37.08%).
The fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 35.
(1) Firstly, stirring the mixture of converter steel slag and aluminum ash for 70min by using a magnetic stirrer with the rotating speed of 500r/min at room temperature to obtain the mixture of converter steel slag and aluminum ash. Secondly, adding water into the converter steel slag-aluminum ash mixture, and stirring the mixture at room temperature for 30min by using a magnetic stirrer with the rotating speed of 700r/min to obtain the converter steel slag-aluminum ash composite slurry. And then placing the converter steel slag-aluminum ash composite slurry into a cement constant-temperature constant-humidity curing box for curing for 21d to obtain a converter steel slag-aluminum ash cured product. And finally, grinding the solidified converter steel slag-aluminum ash by using a grinder to obtain the solidified converter steel slag-aluminum ash powder with the fineness of 400 meshes.
(2) Firstly, at room temperature, the kiln slag and TiO of the zinc-containing dust mud are stirred by a magnetic stirrer with the rotating speed of 350r/min2Stirring the mixture for 22 hours to obtain the zinc-containing dust mud kiln slag modified TiO2A precursor. Then, modifying the kiln slag containing the zinc dust mud into TiO2The precursor is put into a medium-temperature experimental furnace and heated to 700 ℃ at the speed of 2 ℃/min, the temperature is kept for 2h, and the precursor is naturally cooled to room temperature to obtain the zinc-containing dust mud kiln slag modified TiO2。
(3) Firstly, a high-energy ball mill with the atmosphere of oxygen and the rotating speed of 500r/min is used for carrying out mechanical alloying treatment on semi-dry desulfurization ash for 10 hours to obtain oxidized desulfurization ash. Secondly, the oxidized desulfurized ash, the converter steel slag-aluminum ash solidified powder, the talcum powder-bentonite mixed powder and the zinc-containing dust and mud kiln slag modified TiO2Compounding, and mixing for 10h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 400r/min to obtain a mixture A. And compounding the mixture A with white cement and waste rubber fiber powder, and mixing the mixture A with high-energy ball mill for 8 hours at the rotating speed of 300r/min in the atmosphere of nitrogen to obtain a mixture B. And finally compounding the mixture B with latex powder and a polyvinyl alcohol-carboxymethyl cellulose ether mixture, and mixing the mixture B for 1h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 150r/min to obtain the enhanced-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash.
Comparative example 4
The components used for preparing 100g of the product of the invention and the mass ratio thereof are as follows:
the chemical component (mass percentage) of the semidry desulfurization ash is SO3(30.74％)、CaO(63.54％)、MgO(0.56％)、SiO2(1.67％)、Al2O3(0.63％)、TiO2(0.05％)、K2O(0.36％)、 Na2O(0.12％)、Cl(0.95％)、Fe2O3(0.83%) and others (0.55%), and the fineness thereof was 400 mesh.
The white cement is white portland cement with the grade of P.W 32.5.
The converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water, the mass ratio of the converter steel slag, the aluminum ash and the water is 1:4:1, the fineness is 400 meshes, and the chemical components (mass percentage) of the converter steel slag are SiO2(12.31％)、Al2O3(1.56％)、CaO(47.00％)、Fe2O3(25.08％)、MgO(5.61％)、 SO3(2.16%), others (6.28%) and Al as Al ash2O3(75.21％)、 SiO2(2.22％)、Ca(Mg)O(8.03％)、Fe2O3(1.18％)、TiO2(0.26%), Ca (Mg) F (5.88%), Na (K) F (1.04%), others (6.24%).
The talcum powder-bentonite mixed powder has the mass ratio of 1:1 of talcum powder to bentonite and the fineness of 400 meshes; the lowest film forming temperature of the latex powder is 0-5 ℃.
The mass ratio of the polyvinyl alcohol to the carboxymethyl cellulose ether is 1: 6.
The kiln slag modified TiO containing the zinc dust mud2Kiln slag containing zinc dust and TiO2The mass ratio of the zinc-containing dust mud to the kiln slag is 2:100, wherein the element content of the zinc-containing dust mud kiln slag is Fe (26.60%), Zn (2.56%), Si (9.31%), Al (6.05%), Ca (10.31%), S (3.42%), Na (1.59%), Mg (1.87%), Mn (1.21%) and O (37.08%).
The fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 35.
(1) Firstly, stirring the mixture of converter steel slag and aluminum ash for 70min by using a magnetic stirrer with the rotating speed of 500r/min at room temperature to obtain the mixture of converter steel slag and aluminum ash. Secondly, adding water into the converter steel slag-aluminum ash mixture, and stirring the mixture at room temperature for 30min by using a magnetic stirrer with the rotating speed of 700r/min to obtain the converter steel slag-aluminum ash composite slurry. And then placing the converter steel slag-aluminum ash composite slurry into a cement constant-temperature constant-humidity curing box for curing for 21d to obtain a converter steel slag-aluminum ash cured product. And finally, grinding the solidified converter steel slag-aluminum ash by using a grinder to obtain the solidified converter steel slag-aluminum ash powder with the fineness of 400 meshes.
(2) Firstly, at room temperature, the kiln slag and TiO of the zinc-containing dust mud are stirred by a magnetic stirrer with the rotating speed of 350r/min2Stirring the mixture for 22 hours to obtain the zinc-containing dust mud kiln slag modified TiO2A precursor. Then, modifying the kiln slag containing the zinc dust mud into TiO2The precursor is put into a medium-temperature experimental furnace and heated to 700 ℃ at the speed of 2 ℃/min, the temperature is kept for 2h, and the precursor is naturally cooled to room temperature to obtain the zinc-containing dust mud kiln slag modified TiO2。
(3) Firstly, a high-energy ball mill with the atmosphere of air and the rotating speed of 500r/min is used for carrying out mechanical alloying treatment on semi-dry desulfurization ash for 10 hours to obtain oxidized desulfurization ash. Secondly, the oxidized desulfurized ash, the converter steel slag-aluminum ash solidified powder, the talcum powder-bentonite mixed powder and the zinc-containing dust and mud kiln slag modified TiO2Compounding, and mixing for 10h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 400r/min to obtain a mixture A. And compounding the mixture A with white cement and waste rubber fiber powder, and mixing the mixture A with high-energy ball mill for 8 hours at the rotating speed of 300r/min in the atmosphere of nitrogen to obtain a mixture B. And finally compounding the mixture B with latex powder and a polyvinyl alcohol-carboxymethyl cellulose ether mixture, and mixing the mixture B for 1h by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 150r/min to obtain the enhanced-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash.
The performance detection process of the reinforced-purified-flame-retardant interior wall putty powder based on semi-dry desulfurized fly ash prepared in examples 1-6 and comparative examples 1-4 is as follows:
the reinforced-purification-flame-retardant interior wall putty powder slurry based on the semi-dry desulfurization ash is prepared by mixing the reinforced-purification-flame-retardant interior wall putty powder based on the semi-dry desulfurization ash with water according to the mass ratio of 2:1, and the mechanical properties of the reinforced-purification-flame-retardant interior wall putty powder slurry based on the semi-dry desulfurization ash are tested according to putty for building (JG/T298-.
An indoor environment under a visible light source (as shown in figure 1) was simulated by using an HJC-1 type environment test chamber commonly adopted in the european union. The temperature and humidity sensor 1 is used, the temperature is set to be 23 +/-0.5 ℃, and the humidity is set to be 45 +/-3%. Dripping 2.5 mu L of 37-40% formaldehyde analytical pure solution on a culture dish, putting the culture dish into an environment testing chamber to fully volatilize the formaldehyde analytical pure solution in the environment testing chamber, and utilizing a fan 3 to ensure that the concentration of formaldehyde gas a in the whole environment testing chamber is 1mg/m3. Loading the reinforcing-purifying-flame-retardant type interior wall putty powder slurry b based on semi-dry desulfurization ash with theoretical coating thickness (200 mu m) to 0.1m2The test plate of (1) is excited by a visible light source (4) to produce a catalytic effect. By adopting an acetylacetone spectrophotometry (GB/T15516-1995), sampling 10L of gas in the cabin at 300min by using a sampling port 2, and detecting the concentration change of the formaldehyde gas in the environmental test cabin, the efficiency of photocatalytic degradation of the formaldehyde gas by the reinforced-purified-flame-retardant interior wall putty powder slurry based on semi-dry desulfurized ash can be calculated, and the purification performance is represented.
Covering the reinforced-purified-flame-retardant interior wall putty powder slurry b based on semi-dry desulfurized fly ash on one side of a test board 8 by adopting a vertical combustion method (as shown in figure 2), placing the test board on an iron support 7 with an iron clamp, wherein one side of the test board of the reinforced-purified-flame-retardant interior wall putty powder slurry based on the semi-dry desulfurized fly ash faces an alcohol burner 5, the vertical distance between the test board and the alcohol burner is about 7cm, timing is started when the flame temperature reaches about 1200 ℃, the timing is ended after the back fire surface is carbonized and cracks appear when the test board is combusted, and the difference between the ended timing and the started timing is used as the flame-retardant time, so that the flame-retardant performance of the reinforced-purified-flame-retardant interior wall putty powder slurry based on the semi-dry desulfurized fly ash is represented.
TABLE 1 Performance of enhanced-clean-flame retardant interior wall putty powder slurries based on semi-dry desulfurized fly ash
Claims (10)
1. The reinforced-purified-flame-retardant interior wall putty powder based on semi-dry desulfurized fly ash is characterized by comprising the following raw materials in percentage by weight:
2. the reinforcement-purification-flame retardant interior wall putty powder based on semidry desulfurized ash according to claim 1 wherein the fineness of the semidry desulfurized ash is 400 mesh.
3. The semi-dry desulfurized fly ash-based reinforcement-purification-flame retardant interior wall putty powder according to claim 1 wherein said white cement is white portland cement having a grade P-W32.5.
4. The reinforcement-purification-flame retardant interior wall putty powder based on semi-dry desulfurized ash according to claim 1, wherein the converter steel slag-aluminum ash solidified powder is a mixture of converter steel slag, aluminum ash and water, the mass ratio of converter steel slag, aluminum ash and water is 1:4:1-2:4:1, and the fineness is 400 meshes.
5. The reinforcement-purification-flame retardant interior wall putty powder based on semidry desulfurization ash as claimed in claim 1, wherein the talc powder-bentonite mixed powder has a weight ratio of talc powder to bentonite of 1:2-2:1 and a fineness of 400 meshes.
6. The semi-dry desulfurized fly ash-based reinforcement-clarification-flame retardant interior wall putty powder according to claim 1 wherein the latex powder has a minimum film forming temperature of 0 ℃ to 5 ℃.
7. The semi-dry desulfurized ash based reinforcement-purification-flame retardant interior wall putty powder according to claim 1, wherein the mass ratio of the polyvinyl alcohol to the carboxymethyl cellulose ether is 1:5 to 1: 8.
8. The reinforcement-purification-flame retardant interior wall putty powder based on semidry desulfurization ash according to claim 1, wherein the zinc-containing sludge kiln slag modified TiO is2Kiln slag containing zinc dust and TiO2In a mass ratio of 1:100 to 3: 100.
9. The reinforcement-purification-flame retardant interior wall putty powder based on semidry desulfurization ash as claimed in claim 1, wherein the fineness of the waste rubber fiber powder is 500 meshes, and the length-diameter ratio is 25-50.
10. A process for preparing the reinforcing-clarifying-flame-retardant interior wall putty powder based on semidry desulfurized fly ash according to claim 1, which comprises the steps of:
(1) firstly, stirring a mixture of converter steel slag and aluminum ash for 60min to 90min by using a magnetic stirrer with the rotating speed of 400r/min to 500r/min at room temperature to obtain a mixture of converter steel slag and aluminum ash; secondly, adding water into the converter steel slag-aluminum ash mixture, and stirring the mixture at high speed for 30min by using a magnetic stirrer with the rotating speed of 600r/min-800r/min at room temperature to obtain converter steel slag-aluminum ash composite slurry; then placing the converter steel slag-aluminum ash composite slurry into a cement constant-temperature constant-humidity curing box for curing for 21d to obtain a converter steel slag-aluminum ash cured product; finally, grinding the solidified converter steel slag-aluminum ash by using a grinder to obtain solidified converter steel slag-aluminum ash powder with the fineness of 400 meshes;
(2) firstly, magnetic force with the rotating speed of 300r/min-400r/min is utilized at room temperatureThe stirrer is used for stirring the kiln slag containing the zinc dust mud and the TiO2The mixture is stirred for 18 to 24 hours to obtain the zinc-containing dust mud kiln slag modified TiO2A precursor; then, modifying the kiln slag containing the zinc dust mud into TiO2The precursor is put into a moderate temperature experimental furnace to be heated to 600-800 ℃ at the speed of 1.5-2.5 ℃/min, the temperature is kept for 2h, and the mixture is naturally cooled to room temperature to obtain the zinc-containing dust mud kiln slag modified TiO2；
(3) Firstly, carrying out mechanical alloying treatment on semi-dry desulfurization ash for 6-12 h by using a high-energy ball mill with the atmosphere of oxygen and the rotating speed of 400-600 r/min to obtain oxidized desulfurization ash; secondly, compounding the oxidized desulfurized ash with converter steel slag-aluminum ash solidified powder, talcum powder-bentonite mixed powder and zinc-containing dust and mud kiln slag modified TiO2, and mixing the materials for 8 to 12 hours by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 300 to 500r/min to obtain a mixture A; then compounding the mixture A with white cement and waste rubber fiber powder, and mixing the mixture A with high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 200r/min-400r/min for 6h-12h to obtain a mixture B; and finally compounding the mixture B with latex powder and a polyvinyl alcohol-carboxymethyl cellulose ether mixture, and mixing the mixture B for 0.5 to 1.5 hours by using a high-energy ball mill with the atmosphere of nitrogen and the rotating speed of 100 to 200r/min to obtain the enhanced-purification-flame-retardant interior wall putty powder based on semi-dry desulfurization ash.
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