CN107399978A - A kind of acid/alkali-corrosion-resistant building block and preparation method thereof - Google Patents
A kind of acid/alkali-corrosion-resistant building block and preparation method thereof Download PDFInfo
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- CN107399978A CN107399978A CN201710653084.2A CN201710653084A CN107399978A CN 107399978 A CN107399978 A CN 107399978A CN 201710653084 A CN201710653084 A CN 201710653084A CN 107399978 A CN107399978 A CN 107399978A
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- Prior art keywords
- building block
- corrosion
- alkali
- acid
- corundum
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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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
Abstract
The invention provides a kind of acid/alkali-corrosion-resistant building block, include the composition of following percentage by weight：Ardealite 25 35%, magnesia 2 5%, corundum 4 10%, cement 3 8%, cesium oxide 0.02 0.05%, manganese slag 3 8%, calcium oxide 15 25% and water surplus.The acid/alkali-corrosion-resistant building block of the present invention, magnesia, corundum, cesium oxide and manganese slag are added on the basis of traditional building block, wherein cesium oxide primarily serves reduction reaction temperature, lift the effect of magnesia and corundum reaction effect, it may advantageously facilitate block interiors and form magnesia-alumina spinel structure, not only fire resistance is good, and antiseptic effect is also fine；And hardness and intensity that manganese slag is advantageous to improve building block are added, strengthen anticorrosion effect.
Description
Technical field
The present invention relates to technical field of refractory materials, especially, is related to a kind of acid/alkali-corrosion-resistant building block and preparation method thereof.
Background technology
Corrosion refers to metal material and the works made of them, in natural environment or under working condition,
Go bad caused by chemistry or electrochemical action occurs with its local environment medium and destroy.The type of corrosion has web rot
Erosion, dry corrosion, local corrosion, species are divided into hydrogen-type corrosion, erosion corrosion, selective corrosion, spot corrosion etc..
Corrosion, wherein also including above-mentioned factor and mechanics factor or the collective effect of biological factor.Some physical actions
Such as physical dissolution phenomenon of the metal material in some liquid metals can also be included into metal erosion category.It is in general, raw
For rust refers exclusively to steel and ferrous alloy, they form the corrosion being mainly made up of hydrous ferric oxide in the presence of oxygen and water
Product iron rust.Corrosion but simultaneously non-corrosive can occur for non ferrous metal and their alloy, but form the corrosion product similar to iron rust,
Such as the verdigris on copper and copper alloy surface, patina is also referred to as by people once in a while.
On corroding the definition for also having some other forms with metal erosion.Returned again after being corroded due to metal and alloy
The compound state of ore has been arrived again, so metal erosion could also say that the inverse process of smelting process.Above-mentioned definition is not only fitted
For metal material, it can also broadly be applied to the nonmetallic materials such as plastics, ceramics, concrete and timber.For example, coating and
Rubber is rotten because the effect of sunlight or chemical substance causes, and the fusing of lining of steel-smelting furnace and a kind of metal are by another metal
Fused solution metal erosion, the result of these processes belong to material corrosion, and this is a kind of definition of broad sense.Metal and its alloy
So far most important structural material is still acknowledged as, so metal erosion turns into one of the problem of most noticeable naturally.
The form species of corrosion failure is a lot, and the reason for causing metal erosion under difficult environmental conditions is not quite similar, and influence because
Element is also extremely complex.In order to prevent and slow down corrosion failure and its damage, by change some action conditions and influence factor and
Blocking and control corrosion rate process, the method thus developed, technology and corresponding engineering construction turn into anticorrosion engineering technology.
Incinerator is a kind of by waste gas, waste liquid, solid waste：Example, toxic gas（Paint tail gas）, poisonous rocket liquid
Fuel, medical waste, life waste product, spoil etc. carry out high temperature incineration, reach and quantify one kind environmental protection that number is reduced or reduced
Equipment, while reach a kind of product for the heat energy that medium is burned using part.
Incinerator refractory brick is in addition to the high temperature resistant required for traditional refractory brick, heat-proof quality, to construction material
Acid-alkali-corrosive-resisting performance also has higher requirement.
It is non-sintered concrete segment to have a major class in domestic conventional novel wall material at present, mainly has haydite to mix
Solidifying earth building blocks, normal concrete building block, lime, cement, slag powders air-entrained concrete building block etc..Building as large-scale application
Block material, it is necessary on the premise of its low cost is ensured, consider whether it possesses good mechanical property and higher make
Use security.
Therefore the invention provides a kind of acid/alkali-corrosion-resistant building block, for there is the equipment of acid/alkali-corrosion-resistant requirement to incinerator etc.
The process such as repaired, sealed.
The content of the invention
Present invention aims at a kind of acid/alkali-corrosion-resistant building block and preparation method thereof is provided, to solve technical problem.
A kind of acid/alkali-corrosion-resistant building block, include the composition of following percentage by weight：
Ardealite 25-35%
Magnesia 2-5%
Corundum 4-10%
Cement 3-8%
Cesium oxide 0.02-0.05%
Manganese slag 3-8%
Calcium oxide 15-25%
Water surplus.
Preferably, described corundum is plate diamond spar.
Preferably, in described manganese slag manganese content >=38%.
A kind of preparation method of acid/alkali-corrosion-resistant building block, comprises the following steps：
Step 1：Ardealite, calcium oxide, cement are stirred mixing；
Step 2：Material after will be well mixed adds water and carries out digestion reaction, cures material；
Step 3：Dry grinding is repeated after magnesia, corundum, cesium oxide and manganese slag are mixed, crosses 325 mesh sieves, is mixed
Dry powder；
Step 4：It is put into after material after mixed powder and curing is well mixed in mould, is placed into block forming press
It is compressing, and compressing building block is conserved with high-temperature steam；
Step 5：The building block that steam curing finishes, which is stood, dries.
Preferably, in described step three, magnesia, corundum, cesium oxide and manganese slag, need to grind by preliminary before combination
Mill, cross 80 mesh sieves.
Preferably, in described step four, during high temperature steam curing, the temperature control of steam is at 750-900 DEG C.Temperature mistake
Low, magnesia and corundum can not be reacted.
The invention has the advantages that：The acid/alkali-corrosion-resistant building block of the present invention, add on the basis of traditional building block
Magnesia, corundum, cesium oxide and manganese slag are entered, wherein cesium oxide primarily serves reduction reaction temperature, lifts magnesia and corundum reaction
The effect of effect, it may advantageously facilitate block interiors and form magnesia-alumina spinel structure, not only fire resistance is good, and antiseptic effect
Very well；And hardness and intensity that manganese slag is advantageous to improve building block are added, strengthen anticorrosion effect.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
The present invention is further detailed explanation below.
Embodiment
Embodiments of the invention are described in detail below, but the present invention can be limited and covered according to claim
Multitude of different ways implement.
Embodiment 1
A kind of acid/alkali-corrosion-resistant building block, include the composition of following percentage by weight：
Ardealite 32%
Magnesia 4%
Corundum 8%
Cement 5%
Cesium oxide 0.05%
Manganese slag 5%
Calcium oxide 22%
Water surplus.
Described corundum is plate diamond spar.
Content >=38% of manganese in described manganese slag.
A kind of preparation method of acid/alkali-corrosion-resistant building block, comprises the following steps：
Step 1：Ardealite, calcium oxide, cement are stirred mixing；
Step 2：Material after will be well mixed adds water and carries out digestion reaction, cures material；
Step 3：Dry grinding is repeated after magnesia, corundum, cesium oxide and manganese slag are mixed, crosses 325 mesh sieves, is mixed
Dry powder；
Step 4：It is put into after material after mixed powder and curing is well mixed in mould, is placed into block forming press
It is compressing, and compressing building block is conserved with high-temperature steam；
Step 5：The building block that steam curing finishes, which is stood, dries.
In described step three, magnesia, corundum, cesium oxide and manganese slag, need, by preliminary grinding, to cross 80 before combination
Mesh sieve.
In described step four, during high temperature steam curing, the temperature control of steam is at 850 DEG C.Temperature is too low, magnesia and just
Jade can not be reacted.
Embodiment 2
A kind of acid/alkali-corrosion-resistant building block, include the composition of following percentage by weight：
Ardealite 25%
Magnesia 5%
Corundum 4%
Cement 8%
Cesium oxide 0.02%
Manganese slag 8%
Calcium oxide 15%,
Water surplus.
Described corundum is plate diamond spar.
Content >=38% of manganese in described manganese slag.
A kind of preparation method of acid/alkali-corrosion-resistant building block, comprises the following steps：
Step 1：Ardealite, calcium oxide, cement are stirred mixing；
Step 2：Material after will be well mixed adds water and carries out digestion reaction, cures material；
Step 3：Dry grinding is repeated after magnesia, corundum, cesium oxide and manganese slag are mixed, crosses 325 mesh sieves, is mixed
Dry powder；
Step 4：It is put into after material after mixed powder and curing is well mixed in mould, is placed into block forming press
It is compressing, and compressing building block is conserved with high-temperature steam；
Step 5：The building block that steam curing finishes, which is stood, dries.
In described step three, magnesia, corundum, cesium oxide and manganese slag, need, by preliminary grinding, to cross 80 before combination
Mesh sieve.
In described step four, during high temperature steam curing, the temperature control of steam is at 750 DEG C.Temperature is too low, magnesia and just
Jade can not be reacted.
Embodiment 3
A kind of acid/alkali-corrosion-resistant building block, include the composition of following percentage by weight：
Ardealite 35%
Magnesia 2%
Corundum 10%
Cement 3%
Cesium oxide 0.05%
Manganese slag 3%
Calcium oxide 25%
Water surplus.
Described corundum is plate diamond spar.
Content >=38% of manganese in described manganese slag.
A kind of preparation method of acid/alkali-corrosion-resistant building block, comprises the following steps：
Step 1：Ardealite, calcium oxide, cement are stirred mixing；
Step 2：Material after will be well mixed adds water and carries out digestion reaction, cures material；
Step 3：Dry grinding is repeated after magnesia, corundum, cesium oxide and manganese slag are mixed, crosses 325 mesh sieves, is mixed
Dry powder；
Step 4：It is put into after material after mixed powder and curing is well mixed in mould, is placed into block forming press
It is compressing, and compressing building block is conserved with high-temperature steam；
Step 5：The building block that steam curing finishes, which is stood, dries.
In described step three, magnesia, corundum, cesium oxide and manganese slag, need, by preliminary grinding, to cross 80 before combination
Mesh sieve.
In described step four, during high temperature steam curing, the temperature control of steam is at 900 DEG C.Temperature is too low, magnesia and just
Jade can not be reacted.
Embodiment 1-3 sample is detected to obtain following data：
The detection data of the embodiment 1-3 of table 1 sample；
Comparative example 1
Cesium oxide in embodiment 1 is removed, remaining proportioning and preparation condition are constant.
After testing, the sample in comparative example 1, compared to the sample of embodiment 1, acid-proof alkaline significantly reduces, 10% sulfuric acid
24h is soaked, weight loss reaches 8.6%, and 10% soaking with sodium hydroxide 24h, weight loss reach 5.9%.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (6)
1. a kind of acid/alkali-corrosion-resistant building block, it is characterised in that include the composition of following percentage by weight：
Ardealite 25-35%
Magnesia 2-5%
Corundum 4-10%
Cement 3-8%
Cesium oxide 0.02-0.05%
Manganese slag 3-8%
Calcium oxide 15-25%
Water surplus.
2. acid/alkali-corrosion-resistant building block as claimed in claim 1, it is characterised in that described corundum is plate diamond spar.
3. acid/alkali-corrosion-resistant building block as claimed in claim 1, it is characterised in that content >=38% of manganese in described manganese slag.
4. a kind of preparation method of acid/alkali-corrosion-resistant building block, it is characterised in that comprise the following steps：
Step 1：Ardealite, calcium oxide, cement are stirred mixing；
Step 2：Material after will be well mixed adds water and carries out digestion reaction, cures material；
Step 3：Dry grinding is repeated after magnesia, corundum, cesium oxide and manganese slag are mixed, crosses 325 mesh sieves, is mixed
Dry powder；
Step 4：It is put into after material after mixed powder and curing is well mixed in mould, is placed into block forming press
It is compressing, and compressing building block is conserved with high-temperature steam；
Step 5：The building block that steam curing finishes, which is stood, dries.
5. the preparation method of acid/alkali-corrosion-resistant building block as claimed in claim 1, it is characterised in that in described step three, magnesium
Sand, corundum, cesium oxide and manganese slag, need, by preliminary grinding, to cross 80 mesh sieves before combination.
6. acid/alkali-corrosion-resistant building block as claimed in claim 1, it is characterised in that in described step four, high temperature steam curing
When, the temperature control of steam is at 750-900 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710653084.2A CN107399978A (en) | 2017-08-02 | 2017-08-02 | A kind of acid/alkali-corrosion-resistant building block and preparation method thereof |
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| CN201710653084.2A CN107399978A (en) | 2017-08-02 | 2017-08-02 | A kind of acid/alkali-corrosion-resistant building block and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108069700A (en) * | 2017-11-16 | 2018-05-25 | 湖州南浔凤强木业有限公司 | A kind of corrosion-resistant imitated wood floor board brick and preparation method thereof of corridor along the river |
| CN114249597A (en) * | 2021-12-16 | 2022-03-29 | 江苏诺明高温材料股份有限公司 | Stress buffering refractory material for dry quenching cooling section and preparation method thereof |
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| CN1974487A (en) * | 2006-12-20 | 2007-06-06 | 北京科技大学 | Ceramic sintering fluxing agent |
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| US20050126443A1 (en) * | 1999-04-16 | 2005-06-16 | Hassan Kunbargi | Very early setting ultra-high strength cement |
| CN1974487A (en) * | 2006-12-20 | 2007-06-06 | 北京科技大学 | Ceramic sintering fluxing agent |
| CN101891499A (en) * | 2010-07-25 | 2010-11-24 | 贵州长泰源节能建材有限公司 | Method for producing autoclaved aerated concrete from double siliceous raw materials |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108069700A (en) * | 2017-11-16 | 2018-05-25 | 湖州南浔凤强木业有限公司 | A kind of corrosion-resistant imitated wood floor board brick and preparation method thereof of corridor along the river |
| CN114249597A (en) * | 2021-12-16 | 2022-03-29 | 江苏诺明高温材料股份有限公司 | Stress buffering refractory material for dry quenching cooling section and preparation method thereof |
| CN114249597B (en) * | 2021-12-16 | 2022-11-01 | 江苏诺明高温材料股份有限公司 | Stress buffering refractory material for dry quenching cooling section and preparation method thereof |
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Application publication date: 20171128 |