CN107460306A - Titanium slag releasing agent and its application method - Google Patents
Titanium slag releasing agent and its application method Download PDFInfo
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- CN107460306A CN107460306A CN201710685911.6A CN201710685911A CN107460306A CN 107460306 A CN107460306 A CN 107460306A CN 201710685911 A CN201710685911 A CN 201710685911A CN 107460306 A CN107460306 A CN 107460306A
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- titanium slag
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
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Abstract
The invention belongs to titanium slag technical field of smelting, and in particular to a kind of titanium slag releasing agent and its application method.The technical problem to be solved in the present invention is to provide it is a kind of it is cheap, demoulding efficiency is high, it is easy prepare, titanium slag releasing agent easy to maintain.Above-mentioned titanium slag releasing agent consists of the following components in percentage by weight：Dedusting ash 70%~90%, magnesia refractories 5%~15%, place ash 2%~10%, lime 2%~10%, and inevitable impurity；Its application method is well mixed obtained slurries, slurries is applied into slag basin inwall and bottom, treat that slurries are dried for titanium slag releasing agent is added into titanium slag cooling waste water.Titanium slag releasing agent raw material of the present invention is that secondary resource recycles, cheap and easy acquisition；Releasing agent demolding performace is significantly improved, demoulding efficiency provides a kind of efficiency high, economical and practical new approaches up to more than 95%, for the titanium slag demoulding.
Description
Technical field
The invention belongs to titanium slag technical field of smelting, and in particular to a kind of titanium slag releasing agent and its application method.
Background technology
Titanium slag of coming out of the stove both at home and abroad is to use slag basin or slag ladle slag water-spraying control at present, and titanium slag is cooled into 200 DEG C or so, then
Titanium slag is stripped from slag basin or slag ladle, water-spraying control is cooled to less than 100 DEG C through thick broken and thin broken meter to the titanium slag after the demoulding again
Finished product titanium slag is obtained after amount packaging.
Due to titanium slag smelting technique progress, problem is had bad luck plus slag basin or slag ladle, titanium slag cooling at present is uncolled to 200 DEG C
Begin to hang slag, cool time is inadequate, and titanium slag section shrinkage is smaller, and titanium slag, still in close contact, causes with slag basin or slag ladle
Titanium slag effectively can not come off from slag basin or slag ladle, have impact on titanium slag demoulding time, extend the titanium slag subsequent technique time, resistance
The reduction of titanium slag production cost is hindered.
As existing titanium slag equipment enlarging and yield are magnified, the existing titanium slag type of cooling often begins to hang after 4h
Slag, and titanium slag now still has the red slag of a large amount of red slag even liquid after crushing, it is dangerous very high, and red slag is oxidizable,
Reduce titanium slag quality.
Therefore, it is badly in need of a kind of new approaches that can improve titanium slag demoulding efficiency at present.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of cheap, easy preparation, new titanium slag easy to maintain takes off
Mould agent, titanium slag demoulding efficiency is remarkably improved using the releasing agent, extends slag basin service life.
Technical scheme there is provided a kind of titanium slag releasing agent used by the present invention solves above-mentioned technical problem, and the titanium slag takes off
Mould agent consists of the following components in percentage by weight：Dedusting ash 70%~90%, magnesia refractories 5%~15%, place ash
2%~10%, lime 2%~10%, and inevitable impurity.
Wherein, in above-mentioned titanium slag releasing agent, the granularity of the dedusting ash is 325 mesh contents more than 95%, magnesia fireproof material
Li Du≤0.74 μm of material, Li Du≤0.74 μm of place ash, Li Du≤0.74 μm of lime.
Wherein, in above-mentioned titanium slag releasing agent, dedusting ash, magnesia refractories, place ash, lime are well mixed and produced.
Wherein, in above-mentioned titanium slag releasing agent, incorporation time is not less than 10min.
Wherein, in above-mentioned titanium slag releasing agent, moisture is no more than 3% by weight.
Present invention also offers the application method of above-mentioned titanium slag releasing agent, comprise the following steps：
Titanium slag releasing agent is added into titanium slag cooling waste water, obtained slurries is well mixed, slurries is applied in slag basin
Wall and bottom, treat that slurries are dried.
Wherein, in the application method of above-mentioned titanium slag releasing agent, the mass ratio of the titanium slag releasing agent and titanium slag cooling waste water
For 1:0.75~2.25.
Wherein, it is described that slurries are applied to slag basin inwall and bottom as that will starch in the application method of above-mentioned titanium slag releasing agent
Liquid uniformly smears 1~3 layer in slag pan inwall, and slag pan bottom even smears 2~6 layers.
Preferably, in the application method of above-mentioned titanium slag releasing agent, slurries are uniformly smeared 2 layers in slag pan inwall, slag pan bottom
Uniformly smear 4 layers in portion.
Beneficial effects of the present invention are：
Providing for the invention provides a kind of new titanium slag releasing agent, and the titanium slag releasing agent raw material is secondary money
Source recycles, cheap and easy acquisition, and the very big processing cost for reducing dedusting ash, realizing resource turns waste into wealth；
Obtained titanium slag releasing agent viscosity is suitable, and adhesion property is good and releasing agent does not pollute titanium slag quality, improves releasing agent demolding performace,
Demoulding efficiency is up to more than 95%；And obtained releasing agent resistance to elevated temperatures is good, can covering slag basin be unlikely to deform, extend slag basin
Service life；Water content is relatively low, is easy to preserve for a long time；Its application method is simple to operate, provide a kind of efficiency for the titanium slag demoulding
High, economical and practical new approaches.
Embodiment
Specifically, a kind of titanium slag releasing agent, is consisted of the following components in percentage by weight：Dedusting ash 70%~90%, magnesium
Fire resistant materials 5%~15%, place ash 2%~10%, lime 2%~10%, and inevitable impurity.
Titanium slag releasing agent primary raw material of the present invention is that dedusting ash, technical indicator caused by smelting titanium slag with electric stove process are
TiO2：40%th, Fe2O3：30%th, SiO2：3%th, S：0.04%th, Al2O3：0.6%；Magnesia refractories is that titanium slag electric furnace furnace wall gives up
The resistance to material abandoned, technical indicator MgO：80%~90%, SiO2：4%th, S：0.1%th, moisture：1%；Place ash is reducing agent thing
The ground ash accumulated to stock ground, carbon content about 35%~45%, P：0.1%th, S：0.2%th, moisture：1%；Lime gives up for titanium dioxide acid hydrolysis
Liquid neutralizes active lime used, containing calcium oxide 70%~80%, S：0.1%th, P：0.1%th, moisture：1%；Above content is
Percentage by weight.Titanium slag releasing agent raw material of the present invention uses trade waste, not only significantly improves titanium slag demoulding efficiency, also
Solves the problems, such as resource recycling.
In order to reduce influence of the releasing agent to titanium slag quality as far as possible, on the premise of stripping result is ensured, composition and titanium slag
Similar dedusting ash will use as far as possible, but in order to improve titanium slag demoulding efficiency, the magnesium refractory and lime of releasing agent
Dosage must be controlled strictly.Inventor by experimental study find when dedusting ash 70%~90%, magnesia refractories 5%~
15%th, when place ash 2%~10%, lime 2%~10%, obtained slurries preferably can be uniformly applied in slag basin, titanium slag
Demoulding efficiency is preferable, while does not influence titanium slag quality.
In titanium slag releasing agent of the present invention, the granularity of dedusting ash is 325 mesh contents more than 95%, the granularity of magnesia refractories
≤ 0.74 μm, Li Du≤0.74 μm of place ash, Li Du≤0.74 μm of lime；Granularity is excessive, and slurries can not be brushed effectively
It is on slag basin and uneven.
Dedusting ash, magnesia refractories, place ash, lime can be separated and stored in titanium slag releasing agent of the present invention, also can be by respectively
Component is mixed into stirring more than 10min in agitator, is well mixed as far as possible, then store；It is well mixed be advantageous to use during
Slurry is effective and is uniformly applied to slag basin inwall and bottom, further improves demoulding efficiency, while reduce releasing agent to titanium slag
The influence of quality.
Moisture is too high in titanium slag releasing agent, and material is moist, is not easy to store, and moisture is few, and case or bag can be used to store；In order to
Titanium slag releasing agent is set to be easy to preserve for a long time, moisture is no more than 3% by weight in titanium slag releasing agent.
The application method of above-mentioned titanium slag releasing agent, comprises the following steps：
Titanium slag releasing agent is added into titanium slag cooling waste water, obtained slurries is well mixed, slurries is applied in slag basin
Wall and bottom, treat that slurries are dried.
In order to obtain mixed uniformly slurry, be advantageous to slurry effectively and be uniformly applied to slag basin inwall and bottom, together
Shi Jieyue drying times, the mass ratio of titanium slag releasing agent and titanium slag cooling waste water is 1 in the inventive method:0.75~2.25.
Smear the number of plies be in order to increase titanium slag and the non-contact probability of slag basin, so as to improve titanium slag demoulding efficiency, titanium slag in addition
Tapping process flow is larger, if smearing, the number of plies is less, and the releasing agent on slag basin surface is easily washed；Generally require in slag pan
Wall uniformly smears 1~3 layer, and slag pan bottom even smears 2~6 layers.
In order to be further ensured that titanium slag demoulding efficiency, it is preferred that slurries are uniformly smeared into 2 layers in slag pan inwall, slag pan bottom
Uniformly smear 4 layers in portion.
In the application method of above-mentioned titanium slag releasing agent, slurries spontaneously dry after being applied to slag basin, without being additionally carried out drying
Processing；But in order to accelerate drying, also can suitably it be heated.
Optimization, a kind of titanium slag releasing agent, consist of the following components in percentage by weight：Dedusting ash 70%~90%, magnesium
Fire resistant materials 5%~15%, place ash 2%~10%, lime 2%~10%, and inevitable impurity；The dedusting ash
Granularity for 325 mesh contents more than 95%, Li Du≤0.74 μm of magnesia refractories, place ash Li Du≤0.74 μm, stone
Li Du≤0.74 μm of ash, each component is well mixed and produced.
The application method of above-mentioned titanium slag releasing agent, comprises the following steps：
Titanium slag releasing agent is added into titanium slag cooling waste water, the mass ratio of titanium slag releasing agent and titanium slag cooling waste water is 1:
0.75~2.25, obtained slurries are well mixed, slurries are uniformly smeared 1~3 layer in slag pan inwall, slag pan bottom even smears 2
~6 layers, treat that slurries are dried.
Technical solution of the present invention is described further with reference to specific embodiment, but does not indicate that and limits protection domain
In scope of embodiments.
Embodiment 1
Dedusting ash 23Kg, magnesia refractories 3Kg are weighed, place ash 2Kg, lime 2Kg are mixed into agitator and stirred
10min, then with addition of 60Kg titanium slag cooling waste waters, well mixed to obtain slurries, slurries hairbrush is in 2 layers of slag basin inwall brush, the bottom of at
Portion brushes 4 layers, and the slurries on slag basin surface can connect after drying and pick out clinker with slag basin after half an hour.Slag discharging is in slag basin water-spraying control
Slag is turned over after 6h, slag basin bottom part has a small amount of titanium slag not fall off after turning over slag, the average demoulding efficiency about 96.25% of titanium slag.
Embodiment 2
Dedusting ash 25Kg, magnesia refractories 2Kg are weighed, place ash 1.5Kg, lime 1.5Kg are mixed into agitator
Stir 12min, then slurries obtained with addition of 60Kg titanium slags cooling waste water is well mixed, slurries hairbrush in 2 layers of slag basin inwall brush,
Bottom brushes 4 layers, and the slurries on slag basin surface can connect after drying and pick out clinker with slag basin after half an hour.Slag discharging is sprayed water cold in slag basin
But slag is turned over after 6h, slag basin bottom part has a small amount of titanium slag not fall off after turning over slag, the average demoulding efficiency about 95.48% of titanium slag.
Embodiment 3
Dedusting ash 24Kg, magnesia refractories 4Kg are weighed, place ash 1Kg, lime 1Kg are mixed into agitator and stirred
15min, then obtain slurries with addition of 60Kg titanium slags cooling waste water is well mixed, slurries hairbrush is in 2 layers of slag basin inwall brush, in bottom
4 layers of brush, the slurries on slag basin surface can connect after drying and pick out clinker with slag basin after half an hour.Slag discharging is in slag basin water-spraying control 6h
After turn over slag, slag basin bottom part has a small amount of titanium slag not fall off after turning over slag, the average demoulding efficiency about 97.23% of titanium slag.
It was found from the analysis of above-described embodiment 1~3, titanium slag releasing agent raw material of the present invention is that secondary resource recycles, valency
Lattice are cheap and easy acquisition, and the very big processing cost for reducing dedusting ash, realizing resource turns waste into wealth；It is stripped using the titanium slag
Agent processing titanium slag knockout course not only significantly improves titanium slag demoulding efficiency, and demoulding efficiency, can covering slag basin up to more than 95%
It is unlikely to deform, extends slag basin service life, while do not influence titanium slag quality；The titanium slag method low in raw material price and it is easy to get, takes off
Mould mode is simple to operate, reduces titanium slag cooling cost.
Claims (9)
1. titanium slag releasing agent, it is characterised in that：Consist of the following components in percentage by weight：It is dedusting ash 70%~90%, magnesia
Refractory material 5%~15%, place ash 2%~10%, lime 2%~10%, and inevitable impurity.
2. titanium slag releasing agent according to claim 1, it is characterised in that：The granularity of the dedusting ash is that 325 mesh contents surpass
Cross 95%, Li Du≤0.74 μm of magnesia refractories, Li Du≤0.74 μm of place ash, Li Du≤0.74 μm of lime.
3. titanium slag releasing agent according to claim 1 or 2, it is characterised in that：By dedusting ash, magnesia refractories, place
Ash, lime are well mixed to be produced.
4. titanium slag releasing agent according to claim 3, it is characterised in that：Incorporation time is not less than 10min.
5. the titanium slag releasing agent according to any one of Claims 1 to 4, it is characterised in that：It is aqueous in the titanium slag releasing agent
Amount is no more than 3%.
6. the application method of the titanium slag releasing agent described in any one of Claims 1 to 5, it is characterised in that：Comprise the following steps：
Titanium slag releasing agent is added into titanium slag cooling waste water, is well mixed obtained slurries, by slurries be applied to slag basin inwall and
Bottom, treat that slurries are dried.
7. the application method of titanium slag releasing agent according to claim 6, it is characterised in that：The titanium slag releasing agent and titanium slag
The mass ratio of cooling waste water is 1:0.75~2.25.
8. the application method of the titanium slag releasing agent according to claim 6 or 7, it is characterised in that：It is described to be applied to slurries
Slag basin inwall and bottom are that slurries are uniformly smeared into 1~3 layer in slag pan inwall, and slag pan bottom even smears 2~6 layers.
9. the application method of titanium slag releasing agent according to claim 8, it is characterised in that：Slurries are uniform in slag pan inwall
2 layers are smeared, slag pan bottom even smears 4 layers.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496936A (en) * | 2019-09-26 | 2019-11-26 | 中冶节能环保有限责任公司 | A kind of casting slag machine release agent and preparation method |
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| CN103033066A (en) * | 2011-11-29 | 2013-04-10 | 新疆八一钢铁股份有限公司 | Process for digesting bonded steel of steelmaking casting slag ladle |
| CN103468836A (en) * | 2013-09-23 | 2013-12-25 | 新疆中合大正商贸有限公司 | Slag binding agent for preventing slag ladle as well as production process thereof |
| CN106755652A (en) * | 2016-12-10 | 2017-05-31 | 东北大学 | A kind of method that titanium-containing slag metallurgy one-step method is reclaimed |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239370A (en) * | 2008-03-17 | 2008-08-13 | 山东广富集团有限公司 | Mold lubricant for iron casting machine and manufacturing method thereof |
| CN102009121A (en) * | 2010-12-31 | 2011-04-13 | 攀枝花钢城集团有限公司 | Releasing agent for pig machine and preparation and application methods thereof |
| CN103033066A (en) * | 2011-11-29 | 2013-04-10 | 新疆八一钢铁股份有限公司 | Process for digesting bonded steel of steelmaking casting slag ladle |
| CN103468836A (en) * | 2013-09-23 | 2013-12-25 | 新疆中合大正商贸有限公司 | Slag binding agent for preventing slag ladle as well as production process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110496936A (en) * | 2019-09-26 | 2019-11-26 | 中冶节能环保有限责任公司 | A kind of casting slag machine release agent and preparation method |
| CN110496936B (en) * | 2019-09-26 | 2021-08-10 | 中冶节能环保有限责任公司 | Mold release agent for slag casting machine and preparation method |
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| CN107460306B (en) | 2019-05-17 |
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