CN106242632A - A kind of micropore composite sintering brick of acrylic acid adhesiveness increasing and modifying - Google Patents
A kind of micropore composite sintering brick of acrylic acid adhesiveness increasing and modifying Download PDFInfo
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- CN106242632A CN106242632A CN201610651448.9A CN201610651448A CN106242632A CN 106242632 A CN106242632 A CN 106242632A CN 201610651448 A CN201610651448 A CN 201610651448A CN 106242632 A CN106242632 A CN 106242632A
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- 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
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
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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
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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
- C04B33/1305—Organic additives
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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
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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
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
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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
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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
- 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
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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- 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 the micropore composite sintering brick of a kind of acrylic acid adhesiveness increasing and modifying, be made up of the raw material of following weight portion: municipal sludge 40 43, mesoporous silicon oxide 89, shale 22 25, gangue 38 40, rice husk 14 15, water are appropriate, nepheline mine tailing 67, bamboo charcoal 79, acrylic acid 34, boric acid 23, hills loess 56.Nepheline mine tailing is compounded with acrylic acid by a series of technique by the present invention with hills loess, not only play the effect of fillibility material, additionally it is possible to improve the viscosity of mixing pug, by the mixing with other raw materials, significantly improve adobe moisture content, improve the ratio of briquetting of adobe;Fired brick of the present invention is apparent closely knit, and internal containing micropore, good effect of heat insulation, toughness is good simultaneously, intensity is high, not cracky, and raw material is simple and easy to get, and technique is easy to Industry Control, is suitable for large-scale production.
Description
Technical field
The present invention relates to fired brick technical field, particularly relate to the micropore composite sintering brick of a kind of acrylic acid adhesiveness increasing and modifying.
Background technology
China, as the country of territory area the 3rd in the world, has abundant clay resource, however as China's population
Day by day increasing and the deep development of building trade of quantity, the contradiction of the land resource relative deficiency of China is the most prominent
Going out, according to statistics the also not enough world average level 43% of the per capita area of cultivated farmland of China, therefore we are faced with heavy soil money
The pressure that source is not enough, the problem not enough in order to solve per capita area of cultivated farmland, clay solid brick is gradually prohibited from using and eliminates, coal
Spoil and shale will become main baked brick raw materials, and at present major part mining area in the whole nation is for the comprehensive utilization of resource and locality
The control of environmental pollution the most generally used making coal gangue brick.Gangue shale clinker bricks is to think that gangue is the most former
Material, is aided with and adds a small amount of shale and the preferable material of other plasticity to strengthen the plasticity of raw material and then to improve brick molding also
Rate, a kind of fired brick then obtained through operations such as cutting molding, drying and roastings.But in order to economize on resources further, right
Solid brick carries out village hollowing and microporous transformation, and this trend is the development need of current green building material, energy-saving building material.For entering
One step reduces the deadweight of fired brick and improves its heat-insulating property, takes up the research in terms of microporous both at home and abroad.It is main
Approach is addition pore former in adobe, can produce a large amount of hole (including perforate and closed pore) in sintering process in brick body, profit
With the low thermal conductivity of air, improve the thermal and insulating performance of fired brick.Pore-forming principle has two kinds: one to be by admixture combustibles
Matter, leaves the hole after combustibles burning in sintering process;Two is to add porous material, utilizes the porous of material itself
Microstructure improves fired brick internal pore structure.
The research of Lightweight clinker brick " municipal sludge-gangue-rice husk prepare " literary composition is selected rice husk as porogen, with
Municipal sludge and gangue are that Lightweight clinker brick prepared by raw material, and when the ratio 60: 40 of municipal sludge Yu gangue, rice husk volume is
6%, the comprcssive strength of sample brick is 10.27MPa, can reach the national standard requirement of bearing wall material comprcssive strength, and dirty
In mud, the harmful substance such as heavy metal is through high-temperature roasting, and heavy metal, by stable curing, does not results in the harm to human body and environment,
Having reached the purpose of twice laid, saved resource and the energy, the fired brick structural stability made is good, even pore distribution
And flourishing, improve insulation, heat insulation, the effect of sound insulation.But owing to employing rice husk is as porogen, in brick body sintering process
Moisture loss is many, forms large hole gap, is constantly compressed at densification process hole, burns till contraction and also just increases, and due to
Moisture and volatile matter that himself is contained are more, in sintering process, along with moisture and the continuous effusion of volatile matter, in body
Form bigger space, the outside transition process of volatile matter is constantly formed the hole being mutually communicated, causes it in same porosity
In the case of water absorption rate higher, impervious decline, this is accomplished by being modified it;The present invention adds the mud of drying as burning
The main component of knot brick, although the water content being dried mud is the lowest, but mud dry is the process of water evaporates, former
Hydrogen sulfide, ammonia molecule in material also can be evaporated, and factory and surrounding enviroment all can be caused odor pollution, to people by these
Work and daily life bring and have a strong impact on.So, during utilizing municipal sludge to prepare fired brick, mud smelly
It is problem demanding prompt solution that gas pollutes.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that the micropore of a kind of acrylic acid adhesiveness increasing and modifying is combined
Fired brick.
The present invention is achieved by the following technical solutions:
The micropore composite sintering brick of a kind of acrylic acid adhesiveness increasing and modifying, is made up of the raw material of following weight portion: municipal sludge 40-
43, mesoporous silicon oxide 8-9, shale 22-25, gangue 38-40, rice husk 14-15, water is appropriate, nepheline mine tailing 6-7, bamboo charcoal 7-
9, acrylic acid 3-4, boric acid 2-3, hills loess 5-6.
The micropore composite sintering brick of described a kind of acrylic acid adhesiveness increasing and modifying, is made up of step in detail below:
(1) rice husk is put in Muffle furnace, be warming up to 200-210 DEG C with the speed of 5-7 DEG C/min, cold after being incubated 30-40 minute
But to room temperature, grind through ball mill after taking-up, cross 200 mesh sieves, obtain partial carbonization rice husk;
(2) municipal sludge is mixed with mesoporous silicon oxide, seals after stirring and preserve 24-36 hour, then take out dehydration,
Being put in baking oven by compound after dehydration and be dried 3-4 hour with the temperature of 100-110 DEG C, (moisture content is must to process dewatered sludge
1.5-3%);
(3) mix with hills loess, bamboo charcoal after nepheline mine tailing is broken into the fritter of 5-6mm, put in pulverizer and pulverize, mistake
100 mesh sieves, are then fed in batch mixer, add acrylic acid, send into and make after stirring 20-30 minute with the speed of 600-800 rev/min
Pelletize in grain machine, finally pulverizes the granule obtained, crosses 200 mesh sieves;
(4) product mixing step (1), step (2), step (3) obtained, adds remaining residual components in addition to water, mixed
Add the water of total amount 30% after closing uniformly, send into pack after stirring in blender and seal, be aged at least 72 hours;Again by mud
Material is rolled by chaser, is then passed through strong squeezing, extrusion, cutting, divides the steps such as base to prepare molding adobe;
(5) molding adobe is sent in tunnel cave, first in preheating zone, is warming up to 900 DEG C with 450 DEG C and preheats 15-20 minute,
Then heat to 1150 DEG C, heat preservation sintering 25-30 minute, finally naturally cool to room temperature, take out, obtain fired brick of the present invention.
The invention have the advantage that the present invention by mesoporous silicon oxide is added in municipal sludge, due to porous, micropore
Structure, specific surface area is big, has the strongest adsorptivity, it is possible to produce in absorption mud in chemical substance and the mud of foul smell
Heavy metal ion, is fixed heavy metal by agglomeration, reduces the harm to human body, simultaneously because strong absorption affinity can also increase
The ability that the big plasticity of brick body, cohesive force and suppression base substrate shrink, plays the modifying function to blank strength;After adding partial carbonization
Rice husk as pore creating material, through the rice husk of partial carbonization owing to having been out Free water in partial carbonization process and combining water on a small quantity,
In sintering process, the change in volume of self is relatively small, it is possible to decrease burn till contraction, and the straw pore-creating after partial carbonization processes
Agent better performances, its smashing fineness is more uniform, and particle size is relatively small, being evenly distributed in sintering matrix, burns till
The pore of rear formation is little, and the phosphorus content of pore creating material is high, and unit thermal discharge is big, is conducive to internal sintering densification, preparation
The intensity of test specimen is also the most of a relatively high, and the blind hole quantity formed in fired brick is many, reduces the water absorption rate of brick body,
Thus improve the impermeability of brick body;The present invention is by the municipal sludge after processing and the primary raw material such as gangue, shale
Compounding, improve the apparent density of fired brick, comprcssive strength, and internal void fine and closely woven and be evenly distributed, light weight, intensity are high,
Good effect of heat insulation.
Nepheline mine tailing is compounded with acrylic acid by a series of technique by the present invention with hills loess, not only plays fillibility
The effect of material, additionally it is possible to improve the viscosity of mixing pug, by the mixing with other raw materials, hence it is evident that improve adobe moisture content,
Improve the ratio of briquetting of adobe;Fired brick of the present invention is apparent closely knit, internal containing micropore, good effect of heat insulation, simultaneously toughness
Good, intensity is high, not cracky, and raw material is simple and easy to get, technique is easy to Industry Control, be suitable for large-scale production.
Detailed description of the invention
The micropore composite sintering brick of a kind of acrylic acid adhesiveness increasing and modifying, is made up of the raw material of following weight portion (kilogram):
Municipal sludge 40, mesoporous silicon oxide 8, shale 22, gangue 38, rice husk 14, water are appropriate, nepheline mine tailing 6, bamboo charcoal 7, acrylic acid
3, boric acid 2, hills loess 5.
The micropore composite sintering brick of described a kind of acrylic acid adhesiveness increasing and modifying, is made up of step in detail below:
(1) rice husk is put in Muffle furnace, is warming up to 200 DEG C with the speed of 5 DEG C/min, after being incubated 30 minutes, be cooled to room temperature,
Grind through ball mill after taking-up, cross 200 mesh sieves, obtain partial carbonization rice husk;
(2) municipal sludge is mixed with mesoporous silicon oxide, seal after stirring and preserve 24 hours, then take out dehydration, will
Compound after dehydration is put in baking oven and is dried 3 hours with the temperature of 100 DEG C, must process dewatered sludge (moisture content is 1.5%);
(3) mix with hills loess, bamboo charcoal after nepheline mine tailing is broken into the fritter of 5mm, put in pulverizer and pulverize, cross 100
Mesh sieve, is then fed in batch mixer, adds acrylic acid, sends in comminutor and make after stirring 20 minutes with the speed of 600 revs/min
Grain, finally pulverizes the granule obtained, crosses 200 mesh sieves;
(4) product mixing step (1), step (2), step (3) obtained, adds remaining residual components in addition to water, mixed
Add the water of total amount 30% after closing uniformly, send into pack after stirring in blender and seal, be aged at least 72 hours;Again by mud
Material is rolled by chaser, is then passed through strong squeezing, extrusion, cutting, divides the steps such as base to prepare molding adobe;
(5) molding adobe is sent in tunnel cave, first in preheating zone, be warming up to 900 DEG C of preheatings 15 minutes with 450 DEG C, then
It is warming up to 1150 DEG C, heat preservation sintering 25 minutes, finally naturally cool to room temperature, take out, obtain fired brick of the present invention.
Fired brick of the present invention obtains comprcssive strength by test and is more than 10.3MPa, and the porosity is 38.6%, and heat conductivity is
0.063W/(m.K)。
Claims (2)
1. the micropore composite sintering brick of an acrylic acid adhesiveness increasing and modifying, it is characterised in that prepared system by the raw material of following weight portion
Become: municipal sludge 40-43, mesoporous silicon oxide 8-9, shale 22-25, gangue 38-40, rice husk 14-15, water are appropriate, nepheline
Mine tailing 6-7, bamboo charcoal 7-9, acrylic acid 3-4, boric acid 2-3, hills loess 5-6.
The micropore composite sintering brick of a kind of acrylic acid adhesiveness increasing and modifying, it is characterised in that by following tool
Body step is made:
(1) rice husk is put in Muffle furnace, be warming up to 200-210 DEG C with the speed of 5-7 DEG C/min, cold after being incubated 30-40 minute
But to room temperature, grind through ball mill after taking-up, cross 200 mesh sieves, obtain partial carbonization rice husk;
(2) municipal sludge is mixed with mesoporous silicon oxide, seals after stirring and preserve 24-36 hour, then take out dehydration,
Being put in baking oven by compound after dehydration and be dried 3-4 hour with the temperature of 100-110 DEG C, (moisture content is must to process dewatered sludge
1.5-3%);
(3) mix with hills loess, bamboo charcoal after nepheline mine tailing is broken into the fritter of 5-6mm, put in pulverizer and pulverize, mistake
100 mesh sieves, are then fed in batch mixer, add acrylic acid, send into and make after stirring 20-30 minute with the speed of 600-800 rev/min
Pelletize in grain machine, finally pulverizes the granule obtained, crosses 200 mesh sieves;
(4) product mixing step (1), step (2), step (3) obtained, adds remaining residual components in addition to water, mixed
Add the water of total amount 30% after closing uniformly, send into pack after stirring in blender and seal, be aged at least 72 hours;Again by mud
Material is rolled by chaser, is then passed through strong squeezing, extrusion, cutting, divides the steps such as base to prepare molding adobe;
(5) molding adobe is sent in tunnel cave, first in preheating zone, is warming up to 900 DEG C with 450 DEG C and preheats 15-20 minute,
Then heat to 1150 DEG C, heat preservation sintering 25-30 minute, finally naturally cool to room temperature, take out, obtain fired brick of the present invention.
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CN201610651448.9A CN106242632A (en) | 2016-08-11 | 2016-08-11 | A kind of micropore composite sintering brick of acrylic acid adhesiveness increasing and modifying |
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CN201610651448.9A CN106242632A (en) | 2016-08-11 | 2016-08-11 | A kind of micropore composite sintering brick of acrylic acid adhesiveness increasing and modifying |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110521536A (en) * | 2019-08-14 | 2019-12-03 | 杨文明 | A kind of high-carbon ceramic plate for officinal dendrobium stem plantation |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102381877A (en) * | 2011-05-16 | 2012-03-21 | 南京鑫翔新型建筑材料有限责任公司 | Method for brickmaking by comprehensive utilization of desiccated sludge |
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2016
- 2016-08-11 CN CN201610651448.9A patent/CN106242632A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102381877A (en) * | 2011-05-16 | 2012-03-21 | 南京鑫翔新型建筑材料有限责任公司 | Method for brickmaking by comprehensive utilization of desiccated sludge |
Non-Patent Citations (2)
Title |
---|
汪婷等: ""半碳化改性秸秆造孔剂对页岩烧结砖的性能研究"", 《砖瓦》 * |
裴会芳等: ""城市污泥-煤矸石-稻壳制备轻质烧结砖的研究"", 《硅酸盐通报》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110521536A (en) * | 2019-08-14 | 2019-12-03 | 杨文明 | A kind of high-carbon ceramic plate for officinal dendrobium stem plantation |
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Application publication date: 20161221 |