CN112028566A - Environment-friendly brick based on municipal sludge and preparation method thereof - Google Patents
Environment-friendly brick based on municipal sludge and preparation method thereof Download PDFInfo
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- CN112028566A CN112028566A CN202010779713.8A CN202010779713A CN112028566A CN 112028566 A CN112028566 A CN 112028566A CN 202010779713 A CN202010779713 A CN 202010779713A CN 112028566 A CN112028566 A CN 112028566A
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- municipal sludge
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The application discloses environmental protection brick based on municipal sludge, its raw materials include according to part by weight: municipal sludge, quicklime, construction solid waste crushed powder, broken stone, fine sand, phytase, plant enzyme, zymophyte, 425# composite portland cement, liquid admixture, water, disinfectant and elm powder. The invention also provides a preparation method of the environment-friendly brick based on the municipal sludge. During preparation, the municipal sludge added with the quick lime is firstly added and stirred, then the plant enzyme and the zymophyte are added and stirred, digestion, disinfection and deodorization treatment are carried out in a high-speed stirring and rolling bin, and the municipal sludge can be used as a raw material to be proportioned after the treatment is finished. The sludge macadam is stirred for 2 minutes, then the cement is added and stirred, finally the liquid admixture is added and stirred, and the mixture can be pressed, the surface of a formed product has no obvious cracks, the structure is compact, the appearance meets the production standard, and the compression resistance is 17.5 MP.
Description
Technical Field
The invention belongs to the technical field of environment-friendly materials, and particularly relates to an environment-friendly brick based on municipal sludge and a preparation method thereof.
Background
The novel wall material which is manufactured by using fly ash, coal cinder, coal gangue, tailing slag, chemical slag or natural sand, tidal marsh mud, industrial waste, waste incineration slag and the like (one or more than one of the raw materials) as main raw materials without high-temperature calcination is called as an environment-friendly brick.
The heat resistance of the environment-friendly brick in the prior art is poor, so that the environment-friendly brick based on municipal sludge needs to be developed to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide an environment-friendly brick based on municipal sludge and a preparation method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
an environment-friendly brick based on municipal sludge comprises the following raw materials in parts by weight: 50-70 parts of municipal sludge, 5-15 parts of quick lime, 15-25 parts of construction solid waste crushed powder and broken stone, 8-12 parts of fine sand, 4-6 parts of phytase, 4-6 parts of plant enzyme, 0.5-1.5 parts of zymophyte, 6-10 parts of 425# composite portland cement, 1-3 parts of liquid admixture, 1-3 parts of water, 15-25 parts of disinfectant and 10-20 parts of elm wood powder.
Preferably, the raw materials comprise the following components in parts by weight: 60 parts of municipal sludge, 10 parts of quick lime, 20 parts of construction solid waste crushed powder and broken stone, 10 parts of fine sand, 5 parts of phytase, 5 parts of plant enzyme, 1 part of zymophyte, 8 parts of 425# composite portland cement, 2 parts of liquid admixture, 2 parts of water, 20 parts of disinfectant and 15 parts of elm powder.
Preferably, the liquid admixture comprises the following raw materials in parts by weight: 15-25 parts of polymethyl methacrylate, 8-16 parts of polyvinylidene fluoride, 4-8 parts of benzoyl peroxide, 3-6 parts of polypropylene, 2-6 parts of silane coupling agent KH-5502, 1-5 parts of potassium persulfate, 4-8 parts of aluminum polyphosphate, 3-6 parts of nano aluminum nitride, 2-5 parts of mica powder, 4-8 parts of nano aluminum hydroxide, 3-9 parts of antimony trioxide and 2-6 parts of zinc phenylphosphoric acid.
Preferably, the liquid admixture is prepared by the following process: uniformly mixing polymethyl methacrylate, polyvinylidene fluoride and benzoyl peroxide, heating to 60-80 ℃, keeping the temperature for 20-40min, adding polypropylene, silane coupling agent KH-550, potassium persulfate and aluminum polyphosphate, uniformly mixing, stirring at the rotation speed of 650 plus one year 850r/min for 10-30min, adjusting the pH value to 3.5-5.0, heating to 65-75 ℃, keeping the temperature for 0.5-1.5h, washing, drying at the temperature of 65-75 ℃ in vacuum to constant weight, cooling to room temperature, adding nano aluminum nitride, mica powder, nano aluminum hydroxide, antimony trioxide and zinc phenylphosphoric acid, uniformly mixing, stirring at the rotation speed of 80-120r/min for 10-20min, heating to 150 plus one year 160 ℃, keeping the temperature for 10-20min, and cooling to room temperature to obtain the liquid admixture.
Preferably, the disinfectant is prepared from litsea cubeba powder, rhizoma acori graminei powder and folium artemisiae argyi powder in a weight ratio of 4-8: 1-3: 2-5, and mixing.
The invention also provides a preparation method of the environment-friendly brick based on the municipal sludge, which comprises the following steps: uniformly mixing municipal sludge and quicklime, stirring for 20-40min, adding phytase, plant enzyme, zymophyte, disinfectant and elm powder, continuously stirring for 30-40min, performing digestion, disinfection and deodorization treatment in a high-speed stirring and rolling chamber for 0.5-1.5h, adding construction solid waste crushed powder, broken stone and fine sand, mixing and stirring for 2-5min, adding No. 325 composite portland cement, stirring and mixing for 1-3min, adding a liquid admixture and water, mixing and stirring for 2-5min, pressing in a mold, and performing steam curing to obtain a finished brick.
The invention has the following beneficial effects:
in the preparation of the environment-friendly brick, municipal sludge is heavy in peculiar smell and many in harmful bacteria, the quicklime is added into the municipal sludge for stirring, then the plant enzyme and the zymophyte are added for stirring, digestion, disinfection and deodorization are carried out in a high-speed stirring and rolling bin, and the mixture can be used as a raw material for proportioning after the treatment is finished. The sludge macadam is stirred for 2 minutes, then the cement is added and stirred, finally the liquid admixture is added and stirred, and the mixture can be pressed, the surface of a formed product has no obvious cracks, the structure is compact, the appearance meets the production standard, and the compression resistance is 17.5 MP.
The liquid admixture takes polymethyl methacrylate, polyvinylidene fluoride and polypropylene as heat-resistant base resin, aluminium polyphosphate, nano aluminum nitride, mica powder, nano aluminum hydroxide, antimony trioxide and zinc phenylphosphoric acid as heat-resistant reinforcing fillers, potassium persulfate and benzoyl peroxide as initiators, and a silane coupling agent KH-550 as a connecting substance between the heat-resistant reinforcing filler and the base resin of a grafting modifier, the heat-resistant reinforcing filler is filled into the main material of the environment-friendly brick after surface grafting modification is realized under the action of the initiators, the heat-resistant reinforcement of the main material is realized by utilizing the high heat resistance of the liquid admixture, and the hydroxyl on the surface of the liquid admixture and the surface unsaturated bond of the environment-friendly brick are connected under the grafting modification effect of the vinyl triethoxysilane, the reinforcing effect of the liquid admixture on the heat resistance of the main material of the environment-friendly brick is realized.
Detailed Description
In order to facilitate a better understanding of the invention, the following examples are given to illustrate, but not to limit the scope of the invention.
In the embodiment, the environment-friendly brick based on municipal sludge comprises the following raw materials in parts by weight: 50-70 parts of municipal sludge, 5-15 parts of quick lime, 15-25 parts of construction solid waste crushed powder and broken stone, 8-12 parts of fine sand, 4-6 parts of phytase, 4-6 parts of plant enzyme, 0.5-1.5 parts of zymophyte, 6-10 parts of 425# composite portland cement, 1-3 parts of liquid admixture, 1-3 parts of water, 15-25 parts of disinfectant and 10-20 parts of elm wood powder.
The liquid admixture is prepared by the following process: uniformly mixing 15-25 parts of polymethyl methacrylate, 8-16 parts of polyvinylidene fluoride and 4-8 parts of benzoyl peroxide, heating to 60-80 ℃, preserving heat for 20-40min, adding 3-6 parts of polypropylene, 2-6 parts of silane coupling agent KH-550, 1-5 parts of potassium persulfate and 4-8 parts of aluminium polyphosphate, uniformly mixing, stirring at the rotating speed of 650 plus 850r/min for 10-30min, adjusting the pH value to 3.5-5.0, heating to 65-75 ℃, preserving heat for 0.5-1.5h, drying at 65-75 ℃ in vacuum after washing to constant weight, cooling to room temperature, adding 3-6 parts of nano aluminum nitride, 2-5 parts of mica powder, 4-8 parts of nano aluminum hydroxide, 3-9 parts of antimony trioxide and 2-6 parts of zinc phenylphosphonic acid, uniformly mixing, stirring at a rotating speed of 80-120r/min for 10-20min, heating to 160 ℃, preserving heat for 10-20min, and cooling to room temperature to obtain the liquid admixture.
The disinfectant is prepared from litsea cubeba powder, rhizoma acori graminei powder and folium artemisiae argyi powder in a weight ratio of 4-8: 1-3: 2-5, and mixing.
The invention also provides a preparation method of the environment-friendly brick based on the municipal sludge, which comprises the following steps: uniformly mixing municipal sludge and quicklime, stirring for 20-40min, adding phytase, plant enzyme and zymophyte, continuously stirring for 30-40min, performing digestion, disinfection and deodorization treatment in a high-speed stirring and rolling chamber for 0.5-1.5h, adding construction solid waste crushed powder, broken stone and fine sand, mixing and stirring for 2-5min, adding No. 325 composite portland cement, stirring and mixing for 1-3min, adding a liquid admixture and water, mixing and stirring for 2-5min, pressing in a mold, and performing steam curing to obtain a finished brick.
Example 1
An environment-friendly brick based on municipal sludge comprises the following raw materials in parts by weight: 60 parts of municipal sludge, 10 parts of quick lime, 20 parts of construction solid waste crushed powder and broken stone, 10 parts of fine sand, 5 parts of phytase, 5 parts of plant enzyme, 1 part of zymophyte, 8 parts of 425# composite portland cement, 2 parts of liquid admixture, 2 parts of water, 20 parts of disinfectant and 15 parts of elm powder.
The liquid admixture is prepared by the following process: uniformly mixing 20 parts of polymethyl methacrylate, 12 parts of polyvinylidene fluoride and 6 parts of benzoyl peroxide, heating to 70 ℃, preserving heat for 30min, adding 4.5 parts of polypropylene, 4 parts of silane coupling agent KH-550, 3 parts of potassium persulfate and 6 parts of aluminum polyphosphate, uniformly mixing, stirring at the rotating speed of 750r/min for 20min, adjusting the pH value to 4, heating to 70 ℃, preserving heat for 1h, washing, drying at 70 ℃ in vacuum to constant weight, cooling to room temperature, adding 4.5 parts of nano aluminum nitride, 3.5 parts of mica powder, 6 parts of nano aluminum hydroxide, 6 parts of antimony trioxide and 4 parts of zinc phenylphosphoric acid, uniformly mixing, stirring at the rotating speed of 100r/min for 15min, heating to 155 ℃, preserving heat for 15min, and cooling to room temperature to obtain the liquid external doping agent.
The disinfectant is prepared from litsea cubeba powder, rhizoma acori graminei powder and folium artemisiae argyi powder in a weight ratio of 6: 2: 3.5 mixing.
The invention also provides a preparation method of the environment-friendly brick based on the municipal sludge, which comprises the following steps: uniformly mixing municipal sludge and quicklime, stirring for 30min, adding phytase, plant enzyme and zymophyte, continuously stirring for 35min, performing digestion, disinfection and deodorization treatment in a high-speed stirring and rolling bin for 1h, adding construction solid waste crushed powder, broken stone and fine sand, mixing and stirring for 3.5min, adding 325# composite portland cement, stirring and mixing for 2min, adding a liquid admixture and water, mixing and stirring for 3.5min, pressing in a mold, and performing steam curing to obtain a finished brick.
Example 2
An environment-friendly brick based on municipal sludge comprises the following raw materials in parts by weight: 50 parts of municipal sludge, 15 parts of quick lime, 15 parts of construction solid waste crushed powder and broken stone, 12 parts of fine sand, 4 parts of phytase, 6 parts of plant enzyme, 0.5 part of zymocyte, 10 parts of 425# composite portland cement, 1 part of liquid admixture, 3 parts of water, 15 parts of disinfectant and 20 parts of elm powder.
The liquid admixture is prepared by the following process: uniformly mixing 15 parts of polymethyl methacrylate, 16 parts of polyvinylidene fluoride and 4 parts of benzoyl peroxide, heating to 80 ℃, preserving heat for 20min, adding 6 parts of polypropylene, 2 parts of silane coupling agent KH-550, 5 parts of potassium persulfate and 4 parts of aluminium polyphosphate, uniformly mixing, stirring at the rotating speed of 850r/min for 10min, adjusting the pH value to 5.0, heating to 65 ℃, preserving heat for 1.5h, washing, drying at the temperature of 65 ℃ in vacuum to constant weight, cooling to room temperature, adding 6 parts of nano aluminum nitride, 2 parts of mica powder, 8 parts of nano aluminum hydroxide, 3 parts of antimony trioxide and 6 parts of zinc phenylphosphoric acid, uniformly mixing, stirring at the rotating speed of 80r/min for 20min, heating to 150 ℃, preserving heat for 20min, and cooling to room temperature to obtain the liquid external doping agent.
The disinfectant is prepared from litsea cubeba powder, rhizoma acori graminei powder and folium artemisiae argyi powder in a weight ratio of 4: 3: 2, mixing the components.
The invention also provides a preparation method of the environment-friendly brick based on the municipal sludge, which comprises the following steps: uniformly mixing municipal sludge and quicklime, stirring for 20min, adding phytase, plant enzyme and zymophyte, continuously stirring for 40min, performing digestion, disinfection and deodorization treatment in a high-speed stirring and rolling bin for 0.5h, adding construction solid waste crushed powder, broken stone and fine sand, stirring for 5min, adding 325# composite portland cement, stirring and mixing for 1min, adding a liquid admixture and water, stirring for 5min, pressing in a mold, and performing steam curing to obtain a finished brick.
Example 3
An environment-friendly brick based on municipal sludge comprises the following raw materials in parts by weight: 70 parts of municipal sludge, 5 parts of quick lime, 25 parts of construction solid waste crushed powder and broken stone, 8 parts of fine sand, 6 parts of phytase, 4 parts of plant enzyme, 1.5 parts of zymophyte, 6 parts of 425# composite portland cement, 3 parts of liquid admixture, 1 part of water, 25 parts of disinfectant and 10 parts of elm powder.
The liquid admixture is prepared by the following process: uniformly mixing 25 parts of polymethyl methacrylate, 8 parts of polyvinylidene fluoride and 8 parts of benzoyl peroxide, heating to 60 ℃, preserving heat for 40min, adding 3 parts of polypropylene, 6 parts of silane coupling agent KH-550, 1 part of potassium persulfate and 8 parts of aluminium polyphosphate, uniformly mixing, stirring at the rotating speed of 650r/min for 30min, adjusting the pH value to 3.5, heating to 75 ℃, preserving heat for 0.5, washing, drying at the temperature of 75 ℃ in vacuum to constant weight, cooling to room temperature, adding 3 parts of nano aluminum nitride, 5 parts of mica powder, 4 parts of nano aluminum hydroxide, 9 parts of antimony trioxide and 2 parts of zinc phenylphosphonic acid, uniformly mixing, stirring at the rotating speed of 120r/min for 10min, heating to 160 ℃, preserving heat for 10min, and cooling to room temperature to obtain the liquid admixture.
The disinfectant is prepared from litsea cubeba powder, rhizoma acori graminei powder and folium artemisiae argyi powder in a weight ratio of 8: 1: 5, mixing the components.
The invention also provides a preparation method of the environment-friendly brick based on the municipal sludge, which comprises the following steps: uniformly mixing municipal sludge and quicklime, stirring for 40min, adding phytase, plant enzyme and zymophyte, continuously stirring for 30min, performing digestion, disinfection and deodorization treatment in a high-speed stirring and rolling bin for 1.5h, adding construction solid waste crushed powder, broken stone and fine sand, stirring for 2min, adding 325# composite portland cement, stirring and mixing for 3min, adding a liquid admixture and water, stirring for 2min, pressing in a mold, and performing steam curing to obtain a finished brick.
The above description should not be taken as limiting the invention to the embodiments, but rather, as will be apparent to those skilled in the art to which the invention pertains, numerous simplifications or substitutions may be made without departing from the spirit of the invention, which shall be deemed to fall within the scope of the invention as defined by the claims appended hereto.
Claims (6)
1. The environment-friendly brick based on municipal sludge is characterized by comprising the following raw materials in parts by weight: 50-70 parts of municipal sludge, 5-15 parts of quick lime, 15-25 parts of construction solid waste crushed powder and broken stone, 8-12 parts of fine sand, 4-6 parts of phytase, 4-6 parts of plant enzyme, 0.5-1.5 parts of zymophyte, 6-10 parts of 425# composite portland cement, 1-3 parts of liquid admixture, 1-3 parts of water, 15-25 parts of disinfectant and 10-20 parts of elm wood powder.
2. The environment-friendly municipal sludge-based brick according to claim 1, wherein the municipal sludge is 60 parts, the quicklime is 10 parts, the construction solid waste crushed powder and crushed stone is 20 parts, the fine sand is 10 parts, the phytase is 5 parts, the plant enzyme is 5 parts, the zymophyte is 1 part, the 425# composite portland cement is 8 parts, the liquid admixture is 2 parts, the water is 2 parts, the disinfectant is 20 parts, and the elm powder is 15 parts.
3. The municipal sludge-based environment-friendly brick according to claim 1, wherein the liquid admixture comprises the following raw materials in parts by weight: 15-25 parts of polymethyl methacrylate, 8-16 parts of polyvinylidene fluoride, 4-8 parts of benzoyl peroxide, 3-6 parts of polypropylene, 2-6 parts of silane coupling agent KH-5502, 1-5 parts of potassium persulfate, 4-8 parts of aluminum polyphosphate, 3-6 parts of nano aluminum nitride, 2-5 parts of mica powder, 4-8 parts of nano aluminum hydroxide, 3-9 parts of antimony trioxide and 2-6 parts of zinc phenylphosphoric acid.
4. The municipal sludge-based environment-friendly brick according to claim 3, wherein the liquid admixture is prepared by the following process: uniformly mixing polymethyl methacrylate, polyvinylidene fluoride and benzoyl peroxide, heating to 60-80 ℃, keeping the temperature for 20-40min, adding polypropylene, silane coupling agent KH-550, potassium persulfate and aluminum polyphosphate, uniformly mixing, stirring at the rotation speed of 650 plus one year 850r/min for 10-30min, adjusting the pH value to 3.5-5.0, heating to 65-75 ℃, keeping the temperature for 0.5-1.5h, washing, drying at the temperature of 65-75 ℃ in vacuum to constant weight, cooling to room temperature, adding nano aluminum nitride, mica powder, nano aluminum hydroxide, antimony trioxide and zinc phenylphosphoric acid, uniformly mixing, stirring at the rotation speed of 80-120r/min for 10-20min, heating to 150 plus one year 160 ℃, keeping the temperature for 10-20min, and cooling to room temperature to obtain the liquid admixture.
5. The method for preparing the municipal sludge-based environment-friendly brick according to claim 1, wherein the disinfectant is prepared from rhizoma atractylodis powder, rhizoma acori graminei powder and folium artemisiae argyi powder in a weight ratio of 4-8: 1-3: 2-5, and mixing.
6. The method for preparing the municipal sludge-based environment-friendly brick according to any one of claims 1 to 5, wherein the municipal sludge-based environment-friendly brick is prepared by the following process: uniformly mixing municipal sludge and quicklime, stirring for 20-40min, adding phytase, plant enzyme, zymophyte, disinfectant and elm powder, continuously stirring for 30-40min, performing digestion, disinfection and deodorization treatment in a high-speed stirring and rolling chamber for 0.5-1.5h, adding construction solid waste crushed powder, broken stone and fine sand, mixing and stirring for 2-5min, adding No. 325 composite portland cement, stirring and mixing for 1-3min, adding a liquid admixture and water, mixing and stirring for 2-5min, pressing in a mold, and performing steam curing to obtain a finished brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010779713.8A CN112028566A (en) | 2020-08-05 | 2020-08-05 | Environment-friendly brick based on municipal sludge and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010779713.8A CN112028566A (en) | 2020-08-05 | 2020-08-05 | Environment-friendly brick based on municipal sludge and preparation method thereof |
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| CN112028566A true CN112028566A (en) | 2020-12-04 |
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| CN202010779713.8A Withdrawn CN112028566A (en) | 2020-08-05 | 2020-08-05 | Environment-friendly brick based on municipal sludge and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368073A (en) * | 2022-07-11 | 2022-11-22 | 华北水利水电大学 | Cement mortar and preparation method thereof |
-
2020
- 2020-08-05 CN CN202010779713.8A patent/CN112028566A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368073A (en) * | 2022-07-11 | 2022-11-22 | 华北水利水电大学 | Cement mortar and preparation method thereof |
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Application publication date: 20201204 |