CN113443925A

CN113443925A - Microporous light pumice for washing water and preparation method thereof

Info

Publication number: CN113443925A
Application number: CN202110679161.8A
Authority: CN
Inventors: 林柄楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-09-28

Abstract

The invention relates to a microporous light pumice for washing water and a preparation method thereof, wherein the microporous light pumice for washing water consists of potash albite, magnesian clay, wollastonite powder, alumina, burnout organic matters, a foaming agent, silicon carbide powder, limestone powder, carbon clay, boric acid and calcium oxide, and the preparation method of the microporous light pumice for washing water comprises the following steps: the method comprises the following steps of 1, preparing silicon carbide powder, 2, preparing a foaming agent, 3, preparing wollastonite powder, 4, preparing a first mixture, 5, preparing a second mixture, 6, forming in a forming stamping die, 7, preparing the microporous light pumice, wherein the weight of the microporous light pumice is 5-15 g, the diameter of each micropore is 0.01-0.03 mm, the dosage ratio of the microporous light pumice to the natural pumice is 1:9, the dosage is greatly reduced, the production cost is saved, denim textile clothing and cloth are not easy to be stained, water channels are not blocked by gravel, and substances harmful to human bodies are not contained.

Description

Microporous light pumice for washing water and preparation method thereof

Technical Field

The invention belongs to the technical field of artificial pumice, and particularly relates to a microporous light pumice for washing water and a preparation method thereof.

Background

In recent years, the problem of environmental pollution has been emphasized in developed countries and most developing countries. Industrial pollution is various, and environmental pollution caused by discharge of industrial waste is to be reduced from the source, for example, after textile is treated by washing water, the textile has brighter color, softer texture and more comfortable wearing, so as to meet the requirements of consumers on textile and clothes. At present, a large amount of natural volcanic rocks are consumed in stone mill washing of textiles, the natural volcanic rocks are porous light hyaluronic acid volcanic eruption rocks, are alkali-resistant, acid-resistant and corrosion-resistant, can float on the water surface, the natural volcanic rocks are broken due to friction in the washing process, the washed textiles contain a large amount of broken stone slurry, and can be removed through multiple rinsing, and a precipitation tank after washing needs to be cleaned frequently, so that the washing process of the jeans wear is complex, a large amount of natural volcanic rocks and water resources are consumed, meanwhile, the discharged slurry water also causes great pressure on later-stage water treatment and environmental pollution, precious water resources are wasted, the sewage treatment and manpower and material resources are increased, the cost is high, and the environment is not environment-friendly enough.

Chinese patent CN110511420A discloses a method for manufacturing denim washing pumice, which comprises the following steps: (1) mixing 2g of silica gel pellets and 12g of chloroprene rubber adhesive, and uniformly stirring; (2) adding 10g of epoxy adhesive or styrene-acrylic emulsion or pure acrylic emulsion into the mixture prepared in the step (1), and uniformly stirring; (3) adding 0.5g of plastic foaming agent into the mixture prepared in the step (1), and uniformly stirring; (4) standing for 2h, and making into natural pumice shape after the mixture becomes soft elastomer; (5) and standing for 0.5h, and finishing the preparation of the denim washing pumice.

For another example, chinese patent CN110590164A discloses an artificial pumice stone material and a method for preparing the artificial pumice stone material at low temperature from industrial solid wastes by a volcano diagenesis method, wherein the artificial pumice stone material comprises the following chemical components: al (Al)₂O₃、SiO₂、CaO、MgO、Fe₂O₃、K₂O、Na₂O, the weight ratio of the components is as follows: al (Al)₂O₃：SiO₂：CaO：MgO：Fe₂O₃：K₂O：Na₂O is 2-20: 65-90: 0.1-5: 0.1-5: 0.1-10: 0.1-10: 0.1 to 10; the method for preparing the artificial microcrystal pumice stone material comprises the following steps: (1) selectingRaw materials; (2) mixing and grinding the raw materials, weighing and mixing the raw materials selected in the step (1) according to a proportion, and placing the mixture in a grinding machine for grinding to obtain raw material powder; (3) forming, namely forming the raw material powder prepared in the step (2), adding water in the forming process, mixing slurry, extruding and molding blanks or granulating and forming or directly briquetting or granulating and forming the raw material powder; (4) sintering, namely sintering the formed raw material obtained in the step (3) in a high-temperature furnace at the sintering temperature of 500-1000 ℃; (5) cooling, namely naturally cooling the fired material obtained in the step (4) to obtain an artificial microcrystal pumice material; (6) and (3) modeling, namely, modeling the artificial microcrystal pumice material obtained in the step (5) through cutting, polishing, crushing and screening according to different purposes to obtain a blocky, platy, strip or granular artificial microcrystal pumice material.

Neither of the above patents produces a lightweight, microporous pumice.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a microporous lightweight pumice for washing water, which comprises the following components in parts by weight: 60-70 parts of potash-soda feldspar, 10-30 parts of magnesian clay, 3-9 parts of wollastonite powder, 15-25 parts of alumina, 2-4 parts of burnout organic matter, 0.6-0.8 part of foaming agent, 3-5 parts of silicon carbide powder, 5-7 parts of limestone powder, 10-20 parts of carbon clay, 4-8 parts of boric acid and 5-15 parts of calcium oxide.

Further, the microporous lightweight pumice washing water comprises the following components in parts by weight: 65 parts of potash albite, 20 parts of magnesia clay, 6 parts of wollastonite powder, 20 parts of alumina, 3 parts of burnout organic matters, 0.7 part of foaming agent, 4 parts of silicon carbide powder, 6 parts of limestone powder, 15 parts of carbon clay, 6 parts of boric acid and 10 parts of calcium oxide.

Furthermore, the weight of the microporous lightweight pumice is 5-15 g, and the diameter of each micropore is 0.01-0.03 mm.

The invention also provides a preparation method of the microporous lightweight pumice for washing water, which comprises the following steps:

step 1, preparing silicon carbide powder by using silicon powder, carbon powder and high-purity water:

step 1.1, adding high-pure water to silicon powder and carbon powder for hydrolysis to obtain carbon-silicon slurry;

step 1.2, drying the carbon silicon slurry in the step 1.1 in an environment with the temperature of 160 ℃ for 2 hours;

step 1.3, carbonizing the product dried in step 1.2 to obtain a carbonized mixture:

preheating a carbonization kiln to 75 ℃, putting the product dried in the step 1.2 into the carbonization kiln, raising the temperature in the carbonization kiln to 110 ℃ at the speed of 35 ℃/min, maintaining for 25min, and adding ultrasonic waves with the frequency of 30kHz to the product during the period to process to obtain a carbonized mixture;

step 1.4, putting the carbonized mixture obtained in the step 1.3 into a high-temperature furnace, adjusting the power to 1200kw, raising the temperature in the high-temperature furnace to 1800 ℃ at the speed of 120 ℃/min, then lowering the temperature to 950 ℃ at the speed of 80 ℃/min, preserving the heat for 3h, and naturally cooling to obtain silicon carbide powder;

step 1.5, putting the silicon carbide powder in the step 1.4 into a grinder to be ground until the fineness is 1.5 mu m, adding 3mol/L hydrochloric acid into the grinder, and washing the ground silicon carbide powder;

step 1.6, adding silicate minerals and deionized water into the silicon carbide powder ground in the step 1.5, stirring and filter-pressing to obtain a filter cake with the water content of 45%, wherein the weight ratio of the silicon carbide powder to the silicate minerals to the deionized water is 1: 0.3: 0.8;

step 1.7, drying the filter cake obtained in the step 1.6 in a drying oven at the temperature of 80-100 ℃, gathering the dried silicon carbide into blocks, and crushing the blocks into silicon powder with the particle size of 1-10 mu m and the purity of more than or equal to 99.5% by using a crusher;

step 2, preparing a foaming agent by using sodium bicarbonate, nitrourea zinc salt and a reinforcing agent:

step 2.1, putting the sodium bicarbonate and the nitro urea zinc salt into a stirrer, uniformly mixing and stirring to obtain a premix, wherein the rotating speed is 450r/min, and the stirring time is 30 min;

2.2, putting the premix obtained in the step 2.1 into a dryer for drying, filtering the dried premix through a 80-mesh screen, wherein the drying temperature is 110 ℃, the drying time is 15min, and the water content of the premix is controlled to be 15-36%;

step 2.3, adding a reinforcing agent into the dried reactant in the step 2.2, and mechanically stirring the reactant in a stirrer to obtain a mixed material, wherein the rotating speed is 600r/min, and the stirring time is 1.5 h;

step 2.4, crushing and grinding the mixed material obtained in the step 2.3 to 120 meshes to obtain a semi-finished product, wherein the crushing time is 5 min;

step 2.5, stirring and mixing the semi-finished product and the foaming agent in the step 2.4 in a nitrogen environment according to the mass ratio of 1: 2 to form bubbles with the aperture of 600 mu m, adding an initiator and a catalyst, continuously stirring for 20min to obtain foam slurry, injecting the foam slurry into a mold at the speed of 0.5-5 kg/s, and standing at room temperature for 3 h;

2.6, demolding the reactant in the mold, and then curing and molding in an environment with the temperature of 120 ℃;

step 3, preparing wollastonite powder by using wollastonite raw ore:

3.1, conveying wollastonite raw ore into a cleaning machine through a screw conveyor for cleaning;

step 3.2, putting the cleaned wollastonite ore material into a crusher to be crushed until the particle size is 3-5 cm, and soaking the wollastonite ore material into water for 1.5 hours;

step 3.3, mechanically stirring the soaked wollastonite mineral aggregate at the rotating speed of 150r/min for 25min, and washing the wollastonite mineral aggregate with deionized water until the surface of the wollastonite mineral aggregate is clean;

step 3.4, putting the washed wollastonite ore material into a mill for rounding, and stopping the mill after rounding to obtain the wollastonite ore material with the particle size of 1 mm;

step 3.5, putting the ground wollastonite particles into a first ball mill with steel balls for grinding to prepare wollastonite powder;

step 4, preparing a first mixture by using silicon carbide powder, wollastonite powder, magnesium clay, limestone powder, carbon clay and burnout organic matters:

putting the silicon carbide powder obtained in the step 1, the wollastonite powder, the magnesium clay, the limestone powder, the carbon clay and the burnout organic matters into a second ball mill according to the mass ratio of 1: 2: 1 for mixing and ball milling to prepare a first mixture;

wherein the rotating speed of the second ball mill is 1500rpm, the time is 25-30 h, and the mixture passes through a 120-mesh screen;

step 5, preparing a second mixture by adopting the first mixture, the potash-sodalite, the alumina and the calcium oxide:

adding potash feldspar, aluminum oxide and calcium oxide into the first mixture in the second ball mill in the step 4 for ball milling, wherein the mass ratio of the first mixture to the potash feldspar to the aluminum oxide to the calcium oxide is 1: 2: 1;

step 6, placing the second mixture, the foaming agent and boric acid into a forming stamping die for forming, wherein the forming pressure is 4Mpa, and the forming time is 3-5 min;

step 7, degumming and roasting the formed product to prepare the microporous light pumice:

and (3) degumming the formed product in the step (6) at 500-650 ℃, placing the degummed product in a kiln for high-temperature roasting at 1200-1350 ℃ to obtain the microporous light pumice.

Further, in the step 1.1, the silicon powder is polycrystalline silicon powder with the granularity of 0.3-0.6 mu m, the carbon powder is colored carbon powder with the particle size of 2-10 mm, the high-purity water is prepared by soft water treatment, ultraviolet sterilization, pure water filtration, ion exchange and polishing resin ultrafiltration, and the molar ratio of the silicon powder to the carbon powder to the high-purity water is 1: 2.

Further, in step 1.6, the expanded perlite is at least one of perlite raw ore and perlite tailings.

Further, in step 1.6, the silicate mineral is at least one of montmorillonite, diatomaceous earth, sepiolite, mica, talc, pyrophyllite and expanded perlite.

Furthermore, in the step 2.3, the reinforcing agent is prepared by taking sodium silicate as a raw material, adding 3mol/L propyl benzene emulsion, stirring for 300r/min, and filtering through a filter screen with 150 meshes after stirring.

Further, in the step 2.5, the initiator is prepared by mixing dodecyl glucoside and polyethyleneimine according to the mass ratio of 2: 1;

the dodecyl glucoside is prepared by taking dodecyl alcohol and glucose as raw materials and carrying out acetalation reaction under the catalysis of composite organic acid, polyethyleneimine is of a branched chain structure, and graphene oxide and polyethylene glycol are used as raw materials.

Further, the catalyst in step 2.5 is made of TiO₂、SiO₂、WO₃Mixing and stirring the carboxymethyl cellulose, the glass fiber and ammonia water to obtain the composite material;

wherein, TiO₂52-75 parts of glass fiber, 2-20 parts of WO₃The amount of (A) is 1 to 8 parts by weight.

Further, the steel balls in the first ball mill in step 3.5 are chrome manganese tungsten grinding balls, and the volume of the materials is more than twice of that of the steel balls.

Compared with the prior art, the invention has the beneficial effects that:

1. the microporous lightweight pumice washing water has strong wear resistance, does not cause the condition that the ditch is blocked by sand and stone, does not need to clean the ditch and the sewage sedimentation tank frequently, and saves the cost of manpower and material resources.

2. The microporous lightweight pumice washing water has high strength, is not easy to be stained with jeans textile clothes and cloth, does not need to be rinsed with clear water for many times to remove residual components, reduces the number of rinsing, saves water resources, and does not contain substances harmful to human bodies.

3. The ratio of the amount of the microporous lightweight pumice to the amount of the natural pumice is 1:9, so that the amount of the microporous lightweight pumice is greatly reduced, the production cost is saved, and the production efficiency is improved.

4. The microporous lightweight washing pumice has uniform specific gravity, and improves the washing quality of jean textile clothing, cloth and the like.

5. The weight of the microporous lightweight pumice is 5-15 g, and the diameter of each micropore is 0.01-0.03 mm.

Drawings

FIG. 1 is a schematic structural view of the microporous lightweight pumice wash of the present invention.

Detailed Description

Aiming at the defects in the prior art, the invention provides a microporous lightweight pumice for washing water, which comprises the following components in parts by weight: the microporous light pumice comprises the following components in parts by weight: 60-70 parts of potash-soda feldspar, 10-30 parts of magnesian clay, 3-9 parts of wollastonite powder, 15-25 parts of alumina, 2-4 parts of burnout organic matter, 0.6-0.8 part of foaming agent, 3-5 parts of silicon carbide powder, 5-7 parts of limestone powder, 10-20 parts of carbon clay, 4-8 parts of boric acid and 5-15 parts of calcium oxide.

step 3, preparing wollastonite powder by using wollastonite raw ore:

Finally, it should be understood that the above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The microporous light pumice for washing water is characterized by comprising the following components in parts by weight:

60-70 parts of potash-soda feldspar, 10-30 parts of magnesian clay, 3-9 parts of wollastonite powder, 15-25 parts of alumina, 2-4 parts of burnout organic matter, 0.6-0.8 part of foaming agent, 3-5 parts of silicon carbide powder, 5-7 parts of limestone powder, 10-20 parts of carbon clay, 4-8 parts of boric acid and 5-15 parts of calcium oxide.

2. A method of making the microporous lightweight pumice wash of claim 1, comprising the steps of:

step 1, preparing silicon carbide powder by using silicon powder, carbon powder and high-purity water;

step 2, preparing a foaming agent by using sodium bicarbonate, nitro urea zinc salt and a reinforcing agent;

step 3, preparing wollastonite powder from wollastonite raw ore;

step 4, preparing a first mixture by using silicon carbide powder, wollastonite powder, magnesium clay, limestone powder, carbon clay and burnout organic matters;

step 5, preparing a second mixture by adopting the first mixture, potassium albite, alumina and calcium oxide;

step 6, placing the second mixture, the foaming agent and the boric acid into a forming stamping die for forming;

and 7, degumming and roasting the formed product to prepare the microporous light pumice.

3. The preparation method of the microporous lightweight pumice washing water according to claim 2, wherein the specific steps of preparing the silicon carbide powder from the silicon powder, the carbon powder and the high-purity water in the step 1 are as follows:

wherein the silicon powder is polycrystalline silicon powder with the granularity of 0.3-0.6 mu m, the carbon powder is colorful carbon powder with the particle size of 2-10 mm, the high-purity water is prepared by soft water treatment, ultraviolet sterilization, pure water filtration, ion exchange and polishing resin ultrafiltration, and the molar ratio of the silicon powder to the carbon powder to the high-purity water is 1: 2;

wherein the silicate mineral is at least one of montmorillonite, diatomaceous earth, sepiolite, mica, talc, pyrophyllite and expanded perlite, and the expanded perlite is at least one of perlite raw ore and perlite tailings;

and step 1.7, drying the filter cake obtained in the step 1.6 in a drying oven at the temperature of 80-100 ℃, gathering the dried silicon carbide into blocks, and crushing the blocks into silicon powder with the particle size of 1-10 mu m and the purity of more than or equal to 99.5% by using a crusher.

4. The preparation method of the microporous lightweight pumice washing agent according to claim 2, wherein the step 2 of preparing the foaming agent by using the sodium bicarbonate, the nitro urea zinc salt and the reinforcing agent comprises the following specific steps:

wherein, the reinforcing agent is prepared by taking sodium silicate as a raw material, adding 3mol/L propyl benzene emulsion, stirring for 300r/min, and filtering through a filter screen of 150 meshes after stirring;

step 2.4, crushing the mixed material obtained in the step 2.3 for 5min and grinding the crushed material to 120 meshes to obtain a semi-finished product;

wherein the initiator is prepared by mixing dodecyl glucoside and polyethyleneimine according to the mass ratio of 2: 1, and the catalyst is prepared from TiO2, SiO2 and WO₃Mixing and stirring the mixture of the carboxymethyl cellulose, the glass fiber and ammonia water to obtain the product TiO₂52-75 parts of glass fiber, 2-20 parts of WO₃The dodecyl glucoside is prepared by taking dodecyl alcohol and glucose as raw materials and performing acetalization reaction under the catalysis of composite organic acid, polyethyleneimine is of a branched chain structure, and graphene oxide and polyethylene glycol are used as raw materials;

and 2.6, demolding the reactant in the mold, and then curing and molding in an environment with the temperature of 120 ℃.

5. The method for preparing the microporous lightweight pumice washing water according to claim 2, wherein the step 3 of preparing wollastonite powder from wollastonite raw ore comprises the following steps:

step 3.2, putting the cleaned wollastonite ore material into a crusher to be crushed until the particle size is 3-5 cm, and soaking the wollastonite ore material in water for 1.5 hours;

the steel ball in the first ball mill is a chrome-manganese-tungsten grinding ball, and the volume of the material is more than twice of that of the steel ball.

6. The preparation method of the microporous lightweight pumice washing agent according to claim 2, wherein the silica fume, the wollastonite powder, the magnesian clay, the limestone powder, the carbon clay and the burnout organic matter in the step 4 are put into a second ball mill according to the mass ratio of 1: 2: 1 to be mixed and ball-milled to prepare a first mixture;

wherein the rotating speed of the second ball mill is 1500rpm, the time is 25-30 h, and the mixture passes through a 120-mesh screen.

7. The preparation method of the microporous lightweight pumice for washing water according to claim 2, wherein the first mixture, the potash-soda feldspar, the alumina and the calcium oxide in the step 5 are put into a second ball mill according to the mass ratio of 1: 2: 1 to be mixed and ball-milled to prepare a second mixture.

8. The preparation method of the microporous lightweight pumice washing water according to claim 2, wherein the pressure for forming in the step 6 is 4Mpa, and the time is 3-5 min.

9. The preparation method of the microporous lightweight pumice for washing according to claim 2, wherein the degumming temperature of the formed product in the step 7 is 500-650 ℃, and after degumming, the formed product is placed in a kiln to be roasted at a high temperature of 1200-1350 ℃ to prepare the microporous lightweight pumice for washing.

10. The method for preparing the microporous lightweight pumice washing water according to claim 2, wherein the microporous lightweight pumice washing water in step 7 has a weight of 5-15 g and a pore diameter of 0.01-0.03 mm.