CN109704728A - Continuous casting tundish dry material environmental-friendly binder - Google Patents
Continuous casting tundish dry material environmental-friendly binder Download PDFInfo
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- CN109704728A CN109704728A CN201910166897.8A CN201910166897A CN109704728A CN 109704728 A CN109704728 A CN 109704728A CN 201910166897 A CN201910166897 A CN 201910166897A CN 109704728 A CN109704728 A CN 109704728A
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- Prior art keywords
- continuous casting
- parts
- casting tundish
- environmental
- friendly binder
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- 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.)
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- 239000000463 material Substances 0.000 title claims abstract description 50
- 238000009749 continuous casting Methods 0.000 title claims abstract description 39
- 239000011230 binding agent Substances 0.000 title claims abstract description 31
- 239000004342 Benzoyl peroxide Substances 0.000 claims abstract description 19
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims abstract description 19
- 235000019400 benzoyl peroxide Nutrition 0.000 claims abstract description 19
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- 239000004411 aluminium Substances 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000008103 glucose Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 22
- 238000002360 preparation method Methods 0.000 claims description 17
- 239000000395 magnesium oxide Substances 0.000 claims description 11
- 239000004615 ingredient Substances 0.000 claims description 7
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 240000007817 Olea europaea Species 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 239000007767 bonding agent Substances 0.000 description 26
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical group [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 12
- 239000005011 phenolic resin Substances 0.000 description 12
- 229920001568 phenolic resin Polymers 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- 150000001896 cresols Chemical class 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- -1 phenolic aldehyde Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005720 sucrose Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Mold Materials And Core Materials (AREA)
Abstract
The invention discloses a kind of continuous casting tundish dry material environmental-friendly binder, raw material compositions are as follows: 50-70 parts of glucose, 30-40 parts of aluminium polychloride, 4-6 parts of benzoyl peroxide.Continuous casting tundish dry material environmental-friendly binder of the invention low temperature bond intensity with higher, it is small on the influence of the high-temperature behavior of material, it is completely harmless to environment and the person, and greatly reduce the cost of dry materials.
Description
Technical field
The present invention relates to binder for fire-resistant materials technical fields, and in particular to a kind of continuous casting tundish dry material environment-friendly type knot
Mixture.
Background technique
Since continuous casting process is born, tundish just plays irreplaceable role, and liner in dundish is to protect
Protect the basis of tundish normal safe operation.The development of continuous casting production working lining can be divided into 4 stages: the non-working lining stage,
Heat-insulating shield stage, coating or spray paint stage and dry materials stage.Dry materials make lining material as the 4th foundry of continuous casting production
The advantages of expecting, having heat-insulating shield and spray paint concurrently has many advantages, such as that easy for construction, heating rate is fast, long-lived and de- containing is easy, from 20
Start the nineties in century to have attracted extensive attention since applying.
Bonding agent is one of the key factor for influencing continuous casting tundish dry material service performance.Continuous casting tundish dry at present
Expect that widely used bonding agent is phenolic resin, phenolic resin can form firm three dimensional network structure after Low Temperature Heat Treatment,
With stronger bond strength.But, on the one hand, the price of phenolic resin is higher, increases cost；On the other hand, in middle height
Phenolic resin can decomposite the substances such as formaldehyde, phenol, cresols, dimethylbenzene in warm use process, thus inevitably to environment
And human body causes certain harm.
Summary of the invention
In view of the above shortcomings of the prior art, the object of the present invention is to provide a kind of continuous casting tundish dry material environment-friendly type knots
Mixture.Environmental-friendly binder low temperature bond intensity with higher, it is small on the influence of the high-temperature behavior of material, to environment and the person
It is completely harmless, and greatly reduce the cost of dry materials.
To achieve the above object, the present invention adopts the following technical scheme:
The first aspect of the present invention provides a kind of continuous casting tundish dry material environmental-friendly binder, raw material composition are as follows:
50-70 parts of glucose, 30-40 parts of aluminium polychloride, 4-6 parts of benzoyl peroxide (BPO).
Preferably, the continuous casting tundish dry material environmental-friendly binder, raw material composition are as follows:
60 parts of glucose, 35 parts of aluminium polychloride, 5 parts of benzoyl peroxide (BPO).
The second aspect of the present invention provides the preparation method of above-mentioned continuous casting tundish dry material environmental-friendly binder, including
Following steps:
Glucose, aluminium polychloride and benzoyl peroxide are mixed in proportion, stirred evenly, that is, is prepared in continuous casting
Between packet dry materials environmental-friendly binder.
The third aspect of the present invention provides application of the above-mentioned environmental-friendly binder in production continuous casting tundish dry material.
The fourth aspect of the present invention provides a kind of continuous casting tundish dry material, prepares the continuous casting tundish dry material
It include the above-mentioned environmental-friendly binder of 5-5.5% (weight percent) in raw material.
Preferably, the continuous casting tundish dry material is made of raw material from the following weight:
It is 100 parts of major ingredient, environmental-friendly binder 5-5.5 parts above-mentioned；
The major ingredient is one of magnesia and magnesium olive sand or both with the mixing of any ratio.
It is further preferred that in the magnesia MgO content < 88%.Since content of MgO is different in magnesia, fine and close journey
Degree is different, and bond strength is also different, its intensity can be made to reach consistent using environmental-friendly binder of the invention.
The present invention also provides the preparation methods of above-mentioned continuous casting tundish dry material, comprising the following steps:
By prepare the continuous casting tundish dry material raw material be kneaded to get.
Beneficial effects of the present invention:
(1) it is omited using continuous casting tundish dry material prepared by environmental-friendly binder of the invention through (200-300 DEG C) of low temperature
Lower than the dry materials that phenolic resin does bonding agent preparation, but fully meet demoulding strength；And medium temperature (800-1100 DEG C) is into molten steel
Shi Qiangdu is much higher than the dry materials that phenolic resin does bonding agent preparation.
(2) environmental-friendly binder of the invention is right during heat treatment without harmful or penetrating odor gas discharge
Environment and the person are completely harmless.
(3) compared with phenolic resin is as bonding agent, dry materials are greatly reduced using environmental-friendly binder of the invention
Preparation cost.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
As introducing in background technique, the existing widely used bonding agent of continuous casting tundish dry material is phenolic aldehyde tree
Rouge, but the price of phenolic resin is higher, and in high temperature use process phenolic resin can decomposite formaldehyde, phenol, first
The substances such as phenol, dimethylbenzene, to inevitably cause certain harm to environment and human body.Therefore, it needs to seek new ring
Guarantor's type bonding agent is to reduce cost and avoid damaging environment human body.
Based on this, the object of the present invention is to provide a kind of new continuous casting tundish dry material environmental-friendly binders.The present invention
Environmental-friendly binder be to be compounded by the glucose, aluminium polychloride and benzoyl peroxide of specific proportion, wherein grape
Sugar and aluminium polychloride can form network structure and material made to generate combination by itself and mutual physical-chemical reaction
Intensity, benzoyl peroxide for improve material bond strength it has great promotion effect.Environment-friendly type prepared by the present invention
Bonding agent does not generate pernicious gas when toasting；There is stronger intensity after baking and in use；It will not due to excess agglomeration and forever
Lining adhesion long；Do not pollute molten steel；And it is cheap, compared with phenolic resin binder, reduce continuous casting tundish dry material
Preparation cost (about 100-500 member).
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool
The technical solution of the application is described in detail in the embodiment of body.
Test material used in the embodiment of the present invention and comparative example is the test material of this field routine, can be passed through
Commercial channel is commercially available.
Embodiment 1: continuous casting tundish dry material environmental-friendly binder
1. raw material forms:
60 parts of glucose, 35 parts of aluminium polychloride, 5 parts of BPO.
2. preparation method:
Glucose, aluminium polychloride and BPO are mixed in proportion, stirred evenly, that is, continuous casting tundish dry is prepared
Expect environmental-friendly binder.
Embodiment 2: continuous casting tundish dry material environmental-friendly binder
1. raw material forms:
50 parts of glucose, 40 parts of aluminium polychloride, 4 parts of BPO.
2. preparation method: with embodiment 1.
Embodiment 3: continuous casting tundish dry material environmental-friendly binder
1. raw material forms:
70 parts of glucose, 30 parts of aluminium polychloride, 6 parts of BPO.
2. preparation method: with embodiment 1.
Comparative example 1: the preparation of bonding agent
1. raw material forms:
60 parts of glucose, 5 parts of BPO.
2. preparation method:
Glucose and BPO are mixed in proportion, stirred evenly, that is, bonding agent A is prepared.
Comparative example 2: the preparation of bonding agent
1. raw material forms:
35 parts of aluminium polychloride, 5 parts of BPO.
2. preparation method:
Aluminium polychloride and BPO are mixed in proportion, stirred evenly, that is, bonding agent B is prepared.
Comparative example 3: the preparation of bonding agent
1. raw material forms:
60 parts of glucose, 35 parts of aluminium polychloride.
2. preparation method:
Glucose and aluminium polychloride are mixed in proportion, stirred evenly, that is, bonding agent C is prepared.
Test example: shadow of the different bonding agents to continuous casting tundish dry material binding performance, physical property and the feature of environmental protection
It rings
1. test method:
Using magnesia as major ingredient, wherein the content of MgO is greater than 88% in magnesia, and different types of bonding agent is added and is matched
Material, the additional amount of bonding agent are the 5% of major ingredient weight；Use dry method vibration moulding for 40mm × 40mm160mm after being kneaded uniformly
Sample, respectively through 220 DEG C × 2h, 1100 DEG C × 3h be heat-treated.Measure bulk density of the sample after 220 DEG C × 2h heat treatment
And compressive resistance；Measure permanent Linear change rate and compressive resistance of the sample after 1100 DEG C × 3h heat treatment.
2. test result:
The bulk density of sample and the test result of compressive resistance are shown in Table 1 after 220 DEG C × 2h heat treatment；1100 DEG C × 3h heat
The permanent Linear change rate of sample and the test result of compressive resistance are shown in Table 2 after processing.
The bulk density of sample and the test result of compressive resistance after 1:220 DEG C of table × 2h heat treatment
| Bonding agent type | Bulk density (g/cm3) | Compressive resistance (Mpa) |
| Bonding agent prepared by embodiment 1 | 2.25 | 45.8 |
| Bonding agent A | 2.18 | 30.4 |
| Bonding agent B | 2.30 | 26.5 |
| Bonding agent C | 2.20 | 25.0 |
| Phenolic resin | 2.16 | 20.4 |
| Sucrose | 2.20 | 15.2 |
The permanent Linear change rate of sample and the test result of compressive resistance after 2:1100 DEG C of table × 3h heat treatment
In addition, find during heat treatment, bonding agent prepared by embodiment 1, bonding agent A, bonding agent B, bonding agent C and
Sucrose, which has no irritating odor, to be distributed, no pollution to the environment；Phenolic resin is because decompositing the ingredients such as part cresols, formaldehyde, xylenol
And give out pungent odour.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (8)
1. a kind of continuous casting tundish dry material environmental-friendly binder, which is characterized in that its raw material composition are as follows:
50-70 parts of glucose, 30-40 parts of aluminium polychloride, 4-6 parts of benzoyl peroxide.
2. environmental-friendly binder according to claim 1, which is characterized in that its raw material composition are as follows:
60 parts of glucose, 35 parts of aluminium polychloride, 5 parts of benzoyl peroxide.
3. the preparation method of environmental-friendly binder of any of claims 1 or 2, which comprises the following steps:
Glucose, aluminium polychloride and benzoyl peroxide are mixed in proportion, stirred evenly, that is, continuous casting production is prepared
Dry materials environmental-friendly binder.
4. application of the environmental-friendly binder of any of claims 1 or 2 in production continuous casting tundish dry material.
5. a kind of continuous casting tundish dry material, which is characterized in that prepare in the raw material of the continuous casting tundish dry material comprising 5-
The environmental-friendly binder of any of claims 1 or 2 of 5.5% (weight percent).
6. continuous casting tundish dry material according to claim 5, which is characterized in that be made of raw material from the following weight:
100 parts of major ingredient, environmental-friendly binder 5-5.5 parts of any of claims 1 or 2；
The major ingredient is any one of magnesia and magnesium olive sand or both with the mixing of any ratio.
7. continuous casting tundish dry material according to claim 6, which is characterized in that the content of MgO in the magnesia <
88%.
8. the preparation method of the described in any item continuous casting tundish dry materials of claim 5-7, which is characterized in that including following step
It is rapid:
By prepare the continuous casting tundish dry material raw material be kneaded to get.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166897.8A CN109704728A (en) | 2019-03-06 | 2019-03-06 | Continuous casting tundish dry material environmental-friendly binder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166897.8A CN109704728A (en) | 2019-03-06 | 2019-03-06 | Continuous casting tundish dry material environmental-friendly binder |
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| Publication Number | Publication Date |
|---|---|
| CN109704728A true CN109704728A (en) | 2019-05-03 |
Family
ID=66266345
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|---|---|---|---|
| CN201910166897.8A Pending CN109704728A (en) | 2019-03-06 | 2019-03-06 | Continuous casting tundish dry material environmental-friendly binder |
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Application publication date: 20190503 |