CN1048697A - The production method of coal-ash immersion brick - Google Patents
The production method of coal-ash immersion brick Download PDFInfo
- Publication number
- CN1048697A CN1048697A CN 89105125 CN89105125A CN1048697A CN 1048697 A CN1048697 A CN 1048697A CN 89105125 CN89105125 CN 89105125 CN 89105125 A CN89105125 A CN 89105125A CN 1048697 A CN1048697 A CN 1048697A
- Authority
- CN
- China
- Prior art keywords
- flyash
- brick
- weight
- lime
- carbide slag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/0277—Hardening promoted by using additional water, e.g. by spraying water on the green concrete element
- C04B40/029—Hardening promoted by using additional water, e.g. by spraying water on the green concrete element using an aqueous solution or dispersion
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of method with industrial residue manufacturing building brick belongs to building materials field.The manufacture method of coal-ash immersion brick of the present invention is to adopt 50～90% flyash, and 10～50% calcareous materials can be lime or carbide slag, through puddle, the technological process of moulding, drying, immersion makes building brick.
Coal-ash immersion brick of the present invention can all adopt industrial residue, and technology is simple, and raw material sources are extensive, and production cost is low, and is in light weight, the intensity height.
Description
The invention belongs to building material field, relate to the method for utilizing industrial residue to comprise production coal-ash immersion bricks such as flyash, calcareous material, black liquid.
At present, the fuel-burning power plant of China, 4～5,000 ten thousand tons of flyash of annual approximately discharge, deposit flyash and taken a large amount of farmlands, spent substantial contribution, human and material resources, and seriously polluted environment, therefore, solve the problem of complex utilization of flyash effectively, become a crucial urgent task.
On the other hand, buildings is with the raw material that brick adopted, and is present, the clay that mainly has drawn from, thus cause a large amount of farmlands destroyed, the farmland area of farming reduces day by day.Therefore, adopting flyash is the main material production building brick, has crucial social effect and economic implications.
Usually, adopt flyash to produce building brick and mainly contain following several method:
(1), with flyash fusion clay, high temperature sintering then;
(2), add cement, aggregate with flyash, compacting then;
(3), with unslaked lime, slag, flyash, gypsum, stir, vibrate, maintenance, produce the fly ash silicate building block;
(4), adopt boron mud, flyash, caking agent, at 1100～1220 ℃ of sintering, make interior tile.
In above-mentioned several example, example 1 needs the fusion clay, and need high temperature sintering, example 2 need add cement, aggregate, and example 3 needs complicated conservation system, comprises quiet stop, give heat, intensification, constant temperature, cooling, need caking agent and high temperature sintering in the example 4, therefore, all, limited and applied at the cost that has improved product in varying degrees.
The object of the present invention is to provide a kind of method of utilizing industrial residue to produce building brick.Main flyash, calcareous material (can be lime or carbide slag), the black liquids etc. of adopting are produced building brick.Turn harm into good, turn waste into wealth, save energy, protection environment.
Concrete grammar of the present invention is:
With flyash is main raw material, and calcareous material (can be lime or carbide slag) is subsidiary material, makes finished product through proportioning raw materials, mixing stirring, moulding, drying, immersion.Its concrete steps are:
(1) content of flyash is 50～90%(weight), calcareous material can be lime or carbide slag, its content is 10～50%(weight);
(2) flyash, calcareous material can be lime or carbide slag, need not sieve, and mix and stir;
(3) pour mould into, vibratory compaction;
(4) seasoning;
(5) the exsiccant brick is soaked in immersion liquid.
The flyash that immersion brick of the present invention adopts can be dry ash, also can be wet ash, and wet ash can moisture 20～30%, flyash need not screen, and the content of calcium is high more good more in lime or the carbide slag, generally greater than 30%, magnesian content is low more good more, generally should be controlled at below 15%.
Soak solution is formulated by water, black liquid, sodium hydroxide, silica flour.Black liquid, sodium hydroxide, silica flour reaction generate water glass, the water glass that generates and the weight percent of water can be 1: 20, and the content of soap amount is 5/10000ths in soak solution, during immersion, the temperature of soak solution should be controlled at more than 80 ℃, requires to flow or stir.
The production method of immersion brick of the present invention mainly realizes according to following principle: the Chemical Composition of flyash is with SiO
2And Al
2O
3Oxide compound such as (account for total amount 80～90%) and a spot of Fe, Mg, K, Na and sulfide are formed.SiO in the flyash
2And Al
2O
3Behind high-temp combustion, have certain activity, under the effect of sodium hydroxide, the rigid shell on fly ash grain surface is destroyed, the soluble active constituent of stripping after lime or carbide slag mix, adds the Ca(OH in water and lime or the carbide slag)
2React, generate a series of hydrated products such as hydrated calcium silicate, drated calcium aluminate, thereby play the effect of obviously gaining in strength.In order to bring into play the excitation of alkaline matter better, replenish Ca(OH)
2Deficiency with active hydration reaction, prepare certain density soak solution again, brick is soaked in soak solution, remaining calcium hydroxide will be directly and water glass generation replacement(metathesis)reaction, generate the water glass and the sodium hydroxide of different structure, play the effect of further increase product hardness.
The coal-ash immersion brick that adopts the inventive method to produce, quality can reach the common brick standard fully.
Method of the present invention and goods thereof have following advantage:
(1) can adopt 100% industrial residue, turn harm into good, turn waste into wealth, the protection soil solves problem of environmental pollution.
(2) manufacture method provided by the invention, technology is simple, raw material sources are extensive, and production cost is low.
(3) goods that provide of the inventive method are in light weight, and the intensity height is aging, good weatherability.
Embodiment 1 is the preparation of coal-ash immersion brick.Technical process is: flyash and lime or carbide slag uniform mixing → moulding → seasoning → preparation soak solution → immersion.
By above-mentioned technical process, get moisture 30% wet fly-ash 70%(weight), contain the lime 30%(weight of CaO33%), adding water is 20% of flyash and lime gross weight, after evenly puddling, pours in the mould, vibratory compaction forms (about one day) after certain intensity the demoulding, naturally dried in the air 3～5 days, after the drying, soak solution is immersed in adobe, under 80 ℃ condition, soaked 24 hours, and be finished product.
Embodiment 2 technological processs are identical with embodiment 1, with moisture dry powder coal ash 70%(weight below 10%), add moisture 20%, calcium contents and be 48% carbide slag 30%(weight), adding water is 25% of flyash, carbide slag weight, after thorough mixing stirs, pour in the mould, vibratory compaction, form certain intensity after, it is to soak in 85 ℃ the soak solution that temperature is immersed in adobe, stir solution, soaked 24 hours, be finished product.
Embodiment 3 technological processs are identical with embodiment 1, and getting moisture is 25% wet fly-ash 70%(weight), the carbide slag 30%(weight of calcic 48%), adding water is the 20%(weight of flyash and carbide slag gross weight), through the vertical mechanical stirrer, thorough mixing stirs, Bian Jiashui, stir on the limit, drop into 35 type common brick blank machines then and extrude, cut piece, dried in the air naturally two days, drop into then in 90 ℃ the soak solution and soaked 24 hours, make finished product.
Claims (4)
1, a kind ofly make the method for building brick, comprise proportion of raw materials, puddle, moulding, exsiccant technological process, it is characterized in that with industrial residue:
(1) content of flyash is 50～90% (weight), and calcareous material can be lime or carbide slag, and its content is 10～50% (weight);
(2) flyash, calcareous material can be lime or carbide slag, need not sieve, and mix and stir;
(3) pour mould into, vibratory compaction;
(4) seasoning;
(5) the exsiccant brick is placed in the soak solution soaks.
2, the manufacture method described in claim 1, the content that it is characterized in that flyash is 70%(weight), the content of lime or carbide slag is 30%(weight).
3, the manufacture method described in claim 1 is characterized in that soak solution is formulated by water, black liquid, sodium hydroxide, silica flour.
4, the manufacture method described in claim 3, the soaking temperature that it is characterized in that soak solution is greater than 80 ℃, and soak time was greater than 24 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89105125 CN1048697A (en) | 1989-07-10 | 1989-07-10 | The production method of coal-ash immersion brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89105125 CN1048697A (en) | 1989-07-10 | 1989-07-10 | The production method of coal-ash immersion brick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1048697A true CN1048697A (en) | 1991-01-23 |
Family
ID=4855894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89105125 Pending CN1048697A (en) | 1989-07-10 | 1989-07-10 | The production method of coal-ash immersion brick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1048697A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325420C (en) * | 2005-03-03 | 2007-07-11 | 德阳市智源新材料有限公司 | Environment-protecting high pressure no-baking carbide residue brick and its making process |
| CN100425561C (en) * | 2006-09-09 | 2008-10-15 | 中国铝业股份有限公司 | Fluid-bed boiler fly ash autoclaved brick and preparation method thereof |
| CN104724983A (en) * | 2015-01-29 | 2015-06-24 | 安徽鑫润新型材料有限公司 | Thermal-insulation and toughened burn-free colliery wastes brick and preparation method thereof |
| CN109265074A (en) * | 2018-11-27 | 2019-01-25 | 徐州远航模具有限公司 | One kind being used for formed in mould material |
| CN111718204A (en) * | 2020-07-01 | 2020-09-29 | 河南开炭新材料设计研究院有限公司 | Honeycomb insulating brick and preparation method thereof |
-
1989
- 1989-07-10 CN CN 89105125 patent/CN1048697A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325420C (en) * | 2005-03-03 | 2007-07-11 | 德阳市智源新材料有限公司 | Environment-protecting high pressure no-baking carbide residue brick and its making process |
| CN100425561C (en) * | 2006-09-09 | 2008-10-15 | 中国铝业股份有限公司 | Fluid-bed boiler fly ash autoclaved brick and preparation method thereof |
| CN104724983A (en) * | 2015-01-29 | 2015-06-24 | 安徽鑫润新型材料有限公司 | Thermal-insulation and toughened burn-free colliery wastes brick and preparation method thereof |
| CN109265074A (en) * | 2018-11-27 | 2019-01-25 | 徐州远航模具有限公司 | One kind being used for formed in mould material |
| CN111718204A (en) * | 2020-07-01 | 2020-09-29 | 河南开炭新材料设计研究院有限公司 | Honeycomb insulating brick and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |