CN107954691A - A kind of low cost heat-preserving sintered brick preparation method - Google Patents
A kind of low cost heat-preserving sintered brick preparation method Download PDFInfo
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- CN107954691A CN107954691A CN201711033142.8A CN201711033142A CN107954691A CN 107954691 A CN107954691 A CN 107954691A CN 201711033142 A CN201711033142 A CN 201711033142A CN 107954691 A CN107954691 A CN 107954691A
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- building waste
- sintered brick
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1328—Waste materials; Refuse; Residues without additional clay
-
- 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
- C04B33/00—Clay-wares
- C04B33/36—Reinforced clay-wares
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
- C04B35/6306—Binders based on phosphoric acids or phosphates
- C04B35/6313—Alkali metal or alkaline earth metal phosphates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/0675—Vegetable refuse; Cellulosic materials, e.g. wood chips, cork, peat, paper
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5276—Whiskers, spindles, needles or pins
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
The invention discloses a kind of inexpensive heat-preserving sintered brick preparation method, include the following steps：Salpeter solution, maize straw mixing are added into pretreatment building waste, heating stirring, filtering, adds sepiolite powder, sodium tripolyphosphate, water and be uniformly mixed, be molded, sintering obtains inexpensive heat-preserving sintered brick.Building waste is pre-processed to prepare using following technique：Building waste, waterglass, calcium sulfate crystal whiskers, pentaerythritol stearate, epoxidized soybean oil, water are mixed, heated up, is stirred, cooling, regulation system pH value is 7.2 7.6, and grinding is uniform, and filtering, is dried to pretreatment building waste.The present invention, as aggregate, in the requirement for meeting heat insulation effect at the same time, reduces brick body weight using building waste; with light thermal-insulation performance, and it is of low cost, while solving the processing problem of building waste; cultivated land resource is protected, realizes the needs recycled of building waste.
Description
Technical field
The present invention relates to fired brick technical field, more particularly to a kind of inexpensive heat-preserving sintered brick preparation method.
Background technology
With social development, the requirement of building energy conservation is higher and higher, correspondingly the insulation to construction material and heat insulating function
It is it is required that also higher and higher.Light-weight insulating brick is that a kind of bulk density is low, the porosity is high, the heat preserving and insulating material of low thermal conductivity, its
The characteristics of low-density, low heat conductivity, determines that it applies upper irreplaceability in Industrial Stoves.According to national building energy conservation side
The related requirement in face, develops energy-saving light-weight insulating brick and is of great significance.The light-weight insulating brick needs used now
Using substantial amounts of arable land clay, this does not meet the national policy for establishing conservation-minded society.
At present, building trade is there is an urgent need to save land resource, and has preferable heat insulation effect and the light-weight brick of intensity,
To meet the needs of the sustainable development of socio-economy.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of inexpensive heat-preserving sintered brick preparation method,
Using building waste as aggregate, in the requirement for meeting heat insulation effect at the same time, brick body weight is reduced, there is light thermal-insulation
Can, and it is of low cost, in the colleague for the processing problem for solving building waste, cultivated land resource is protected, realizes building rubbish
The needs recycled of rubbish.
A kind of inexpensive heat-preserving sintered brick preparation method proposed by the present invention, includes the following steps：Rubbish is built to pretreatment
Salpeter solution, maize straw mixing are added in rubbish, heat up stirring, filtering, adds sepiolite powder, sodium tripolyphosphate, water mixing
Even, shaping, sintering obtains inexpensive heat-preserving sintered brick.
Preferably, it is 110-130 to pre-process building waste, salpeter solution, the weight ratio of maize straw：240-320：25-
45, salpeter solution concentration is 4-12wt%.
Preferably, it is 110-130 to pre-process building waste, sepiolite powder, the weight ratio of sodium tripolyphosphate：8-16：4-6.
Preferably, include the following steps：By weight 240-320 parts are added into 110-130 parts of pretreatment building wastes
Concentration is 4-12wt% salpeter solutions, 25-45 parts of maize straw mixing, is warming up to 75-90 DEG C of stirring 25-45min, filters, add
8-16 parts of sepiolite powders, 4-6 parts of sodium tripolyphosphates, 50-70 parts of water are uniformly mixed, and are molded, sintering, sintering temperature 780-860
DEG C, sintering time 12-18h, obtains inexpensive heat-preserving sintered brick.
Preferably, building waste is pre-processed to prepare using following technique：By building waste, waterglass, calcium sulfate crystal whiskers, season
Penta tetrol stearate, epoxidized soybean oil, water mixing, heat up, stir, and cooling, regulation system pH value is 7.2-7.6, and grinding is equal
Even, filtering, is dried to pretreatment building waste.
Preferably, in the preparation process for pre-processing building waste, building waste, waterglass, the weight ratio of calcium sulfate crystal whiskers
For 100-130：50-60：60-80.
Preferably, in the preparation process for pre-processing building waste, building waste, pentaerythritol stearate, epoxy soybean
The weight ratio of oil is 100-130：2-4：3-5.
Preferably, building waste is pre-processed to prepare using following technique：By weight by 100-130 parts of building wastes, 50-
60 parts of waterglass, 60-80 parts of calcium sulfate crystal whiskers, 2-4 parts of pentaerythritol stearates, 3-5 parts of epoxidized soybean oils, 280-340 parts
Water mixes, and is warming up to 125-135 DEG C, stirs 60-80min, is down to room temperature, and regulation system pH value is 7.2-7.6, and grinding is uniform,
Filtering, is dried to pretreatment building waste.
The present invention, as aggregate, in the requirement for meeting heat insulation effect at the same time, is reduced brick body weight, had using building waste
There is light thermal-insulation performance, and it is of low cost, in the colleague for the processing problem for solving building waste, cultivated land resource is protected,
Realize the needs recycled of building waste.
The present invention can effectively promote said components using building waste, waterglass, calcium sulfate crystal whiskers compounding, epoxidized soybean oil
Between disperse, and pentaerythritol stearate be mainly long-chain saturated hydrocarbons form, it is extremely strong by emulsifiability after high-temperature process, pass through
For regulation system into alkalescent, mutual bond strength is high, makes heat insulating effect of the present invention fabulous, and mechanical property is excellent
It is different, further compounded in salpeter solution with maize straw, not only intensity higher, but also ensureing premise excellent in cushion effect
Under, the structure with certain porosity can be formed in brick structure, on the basis of brick body weight is reduced, both ensure that brick
There is certain mechanical strength, also make to form air heat-insulation layer between brick, heat insulating effect is fabulous.
Embodiment
In the following, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of low cost heat-preserving sintered brick preparation method, includes the following steps：To pretreatment building waste in add salpeter solution,
Maize straw mixes, and heating stirring, filtering, adds sepiolite powder, sodium tripolyphosphate, water and be uniformly mixed, be molded, sintering obtains low
Cost heat-preserving sintered brick.
Embodiment 2
A kind of low cost heat-preserving sintered brick preparation method, includes the following steps：By weight into 110 parts of pretreatment building wastes
320 parts of concentration are added as 4wt% salpeter solutions, 45 parts of maize straw mixing, are warming up to 75 DEG C of stirring 45min, filtering, adds 8 parts
Sepiolite powder, 6 parts of sodium tripolyphosphates, 50 parts of water are uniformly mixed, and are molded, and sintering, sintering temperature is 860 DEG C, and sintering time is
12h, obtains inexpensive heat-preserving sintered brick.
Embodiment 3
A kind of low cost heat-preserving sintered brick preparation method, includes the following steps：By weight into 130 parts of pretreatment building wastes
240 parts of concentration are added as 12wt% salpeter solutions, 25 parts of maize straw mixing, are warming up to 90 DEG C of stirring 25min, filtering, adds 16
Part sepiolite powder, 4 parts of sodium tripolyphosphates, 70 parts of water are uniformly mixed, and are molded, and sintering, sintering temperature is 780 DEG C, and sintering time is
18h, obtains inexpensive heat-preserving sintered brick.
Building waste is pre-processed to prepare using following technique：By building waste, waterglass, calcium sulfate crystal whiskers, pentaerythrite
Stearate, epoxidized soybean oil, water mixing, heat up, stir, and cooling, regulation system pH value is 7.2-7.6, and grinding is uniform, mistake
Filter, is dried to pretreatment building waste.
Embodiment 4
A kind of low cost heat-preserving sintered brick preparation method, includes the following steps：By weight into 115 parts of pretreatment building wastes
300 parts of concentration are added as 6wt% salpeter solutions, 40 parts of maize straw mixing, are warming up to 80 DEG C of stirring 40min, filtering, adds 10
Part sepiolite powder, 5.5 parts of sodium tripolyphosphates, 55 parts of water are uniformly mixed, and are molded, sintering, and sintering temperature is 840 DEG C, sintering time
For 14h, inexpensive heat-preserving sintered brick is obtained.
Building waste is pre-processed to prepare using following technique：By weight by 100 parts of building wastes, 60 parts of waterglass, 60
Part calcium sulfate crystal whiskers, 4 parts of pentaerythritol stearates, 3 parts of epoxidized soybean oils, 340 parts of water mixing, are warming up to 125 DEG C, stirring
80min, is down to room temperature, and regulation system pH value is 7.2-7.6, and grinding is uniform, and filtering, is dried to pretreatment building waste.
Embodiment 5
A kind of low cost heat-preserving sintered brick preparation method, includes the following steps：By weight into 125 parts of pretreatment building wastes
260 parts of concentration are added as 10wt% salpeter solutions, 30 parts of maize straw mixing, are warming up to 88 DEG C of stirring 30min, filtering, adds 14
Part sepiolite powder, 4.5 parts of sodium tripolyphosphates, 65 parts of water are uniformly mixed, and are molded, sintering, and sintering temperature is 800 DEG C, sintering time
For 16h, inexpensive heat-preserving sintered brick is obtained.
Building waste is pre-processed to prepare using following technique：By weight by 130 parts of building wastes, 50 parts of waterglass, 80
Part calcium sulfate crystal whiskers, 2 parts of pentaerythritol stearates, 5 parts of epoxidized soybean oils, 280 parts of water mixing, are warming up to 135 DEG C, stirring
60min, is down to room temperature, and regulation system pH value is 7.2-7.6, and grinding is uniform, and filtering, is dried to pretreatment building waste.
Embodiment 6
A kind of low cost heat-preserving sintered brick preparation method, includes the following steps：By weight into 120 parts of pretreatment building wastes
280 parts of concentration are added as 8wt% salpeter solutions, 35 parts of maize straw mixing, are warming up to 84 DEG C of stirring 35min, filtering, adds 12
Part sepiolite powder, 5 parts of sodium tripolyphosphates, 60 parts of water are uniformly mixed, and are molded, and sintering, sintering temperature is 820 DEG C, and sintering time is
15h, obtains inexpensive heat-preserving sintered brick.
Building waste is pre-processed to prepare using following technique：By weight by 115 parts of building wastes, 55 parts of waterglass, 70
Part calcium sulfate crystal whiskers, 3 parts of pentaerythritol stearates, 4 parts of epoxidized soybean oils, 300 parts of water mixing, are warming up to 130 DEG C, stirring
70min, is down to room temperature, and regulation system pH value is 7.2-7.6, and grinding is uniform, and filtering, is dried to pretreatment building waste.
The compression strength of the inexpensive heat-preserving sintered brick of the gained of the embodiment of the present invention 6 is 29MPa, can bear load and be up to
460kg/m, thermal conductivity factor 0.14w/m.k, insulating brick volume density are 0.42g/cm2, it is less than in the offline changes of 800 DEG C × 8h
0.41%, be conducive to improve the integral strength of building.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of low cost heat-preserving sintered brick preparation method, it is characterised in that include the following steps：Into pretreatment building waste
Salpeter solution, maize straw mixing are added, heating stirring, filtering, adds sepiolite powder, sodium tripolyphosphate, water and is uniformly mixed, into
Type, sintering obtain inexpensive heat-preserving sintered brick.
2. inexpensive heat-preserving sintered brick preparation method according to claim 1, it is characterised in that pretreatment building waste, nitre
Acid solution, the weight ratio of maize straw are 110-130：240-320：25-45, salpeter solution concentration are 4-12wt%.
3. low cost heat-preserving sintered brick preparation method according to claim 1 or claim 2, it is characterised in that pretreatment building waste,
Sepiolite powder, the weight ratio of sodium tripolyphosphate are 110-130：8-16：4-6.
4. according to any one of the claim 1-3 inexpensive heat-preserving sintered brick preparation methods, it is characterised in that including following step
Suddenly：240-320 parts of concentration are added as 4-12wt% salpeter solutions, 25- into 110-130 parts of pretreatment building wastes by weight
45 parts of maize straw mixing, are warming up to 75-90 DEG C of stirring 25-45min, filtering, adds 8-16 parts of sepiolite powders, 4-6 parts of trimerizations
Sodium phosphate, 50-70 part water are uniformly mixed, and are molded, and sintering, sintering temperature is 780-860 DEG C, and sintering time 12-18h, obtains
Inexpensive heat-preserving sintered brick.
5. according to any one of the claim 1-4 inexpensive heat-preserving sintered brick preparation methods, it is characterised in that pretreatment building
Rubbish is prepared using following technique：By building waste, waterglass, calcium sulfate crystal whiskers, pentaerythritol stearate, epoxy soybean
Oil, water mixing, heat up, stir, and cooling, regulation system pH value is 7.2-7.6, and grinding is uniform, filtering, are dried to pretreatment building
Rubbish.
6. according to any one of the claim 1-5 inexpensive heat-preserving sintered brick preparation methods, it is characterised in that pretreatment building
In the preparation process of rubbish, building waste, waterglass, the weight ratio of calcium sulfate crystal whiskers are 100-130：50-60：60-80.
7. according to any one of the claim 1-6 inexpensive heat-preserving sintered brick preparation methods, it is characterised in that pretreatment building
In the preparation process of rubbish, building waste, pentaerythritol stearate, the weight ratio of epoxidized soybean oil are 100-130：2-4：3-
5。
8. according to any one of the claim 1-7 inexpensive heat-preserving sintered brick preparation methods, it is characterised in that pretreatment building
Rubbish is prepared using following technique：By weight by 100-130 parts of building wastes, 50-60 parts of waterglass, 60-80 parts of calcium sulfate
Whisker, 2-4 part pentaerythritol stearate, 3-5 parts of epoxidized soybean oils, 280-340 parts of water mixing, are warming up to 125-135 DEG C, stir
60-80min is mixed, is down to room temperature, regulation system pH value is 7.2-7.6, and grinding is uniform, and filtering, is dried to pretreatment building waste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711033142.8A CN107954691A (en) | 2017-10-30 | 2017-10-30 | A kind of low cost heat-preserving sintered brick preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711033142.8A CN107954691A (en) | 2017-10-30 | 2017-10-30 | A kind of low cost heat-preserving sintered brick preparation method |
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| CN107954691A true CN107954691A (en) | 2018-04-24 |
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| CN201711033142.8A Pending CN107954691A (en) | 2017-10-30 | 2017-10-30 | A kind of low cost heat-preserving sintered brick preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751836A (en) * | 2018-07-18 | 2018-11-06 | 合肥梵腾环保科技有限公司 | A kind of architecture exterior wall insulating materials and preparation method thereof |
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| CN1830869A (en) * | 2006-03-22 | 2006-09-13 | 西安墙体材料研究设计院 | Sintered heat insulating hollow building block |
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| CN102951917A (en) * | 2012-11-23 | 2013-03-06 | 山东鲁阳股份有限公司 | Preparation method of light mullite brick |
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- 2017-10-30 CN CN201711033142.8A patent/CN107954691A/en active Pending
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| CN1830869A (en) * | 2006-03-22 | 2006-09-13 | 西安墙体材料研究设计院 | Sintered heat insulating hollow building block |
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Application publication date: 20180424 |