CN104030703A - Preparation method of cement gum for intermediate frequency furnace - Google Patents
Preparation method of cement gum for intermediate frequency furnace Download PDFInfo
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- CN104030703A CN104030703A CN201410233044.9A CN201410233044A CN104030703A CN 104030703 A CN104030703 A CN 104030703A CN 201410233044 A CN201410233044 A CN 201410233044A CN 104030703 A CN104030703 A CN 104030703A
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Abstract
The invention discloses a preparation method of cement gum for an intermediate frequency furnace. The preparation method comprises the following steps: first, uniformly mixing raw materials formed by compact brown aluminum oxide, compact brown aluminum oxide fine powder, a bonder, superfine powder, an additive and a detonation inhibitor; then, stirring the mixed raw materials and plastering the uniformly stirred cement gum around a coil; finally, after construction, naturally drying to complete hydration reaction to ensure the turn-to-turn and integral insulativity of the coil of the intermediate frequency furnace, wherein the coil has corresponding strength. The cement gum prepared by the method is long in furnace life, high in work efficiency, simple to maintain and suitable for a high-heat environment.
Description
Technical field
The present invention relates to the preparation method of a kind of intermediate frequency furnace clay.
Background technology
China has a large amount of intermediate frequency furnaces of using for molten alloy and heating anneal at present; the furnace lining that some employing silicon carbide materials do or adopt single resin-bonded clay very easily broken in the process using as the protection of intermediate frequency furnace coil and insulating effect; work-ing life is short; replacement frequency is high; inconvenient; energy consumption is high, good not to the protection of intermediate frequency furnace coil.And labor strength is too large when each repair maintenance, under the environment of high heat, easily cause a lot of unsafe factors.
Summary of the invention
The technical issues that need to address of the present invention are, the preparation method of a kind of intermediate frequency furnace clay is provided, and this clay uses furnace life long, and working efficiency is high, safeguards simply, adapts to high thermal environment.
Technical scheme of the present invention is: the preparation method of clay for a kind of intermediate frequency furnace, comprises the following steps:
A, the raw material being made up of the brown corundum of densification, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and detonation suppressor is evenly mixed;
B, the raw material mixing is added in forced mixer and stirred, after stirring, add additive to stir, when use, add a certain proportion of water to stir and in the middle of intermediate frequency furnace coil, put into pipe or the mould of required diameter, the clay of stirred moulding will be put on around coil;
After C, construction, answer seasoning 4 hours, to complete hydration reaction process, when local trimming, seasoning 1 hour, fully volatilizees in order to moisture, ensures between intermediate frequency furnace coil turn and integral insulation, and makes it possess corresponding intensity.
Preferably, in clay, the mass percent of fine and close brown corundum, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and the each component of detonation suppressor is respectively 70%, 10%, 8%, 2%, 2%, 3%, 5%.
Preferably, in clay, the mass percent of fine and close brown corundum, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and the each component of detonation suppressor is respectively 73.4%, 20%, 5%, 0.5%, 0.5%, 0.5%, 0.1%.
Preferably, in clay, the mass percent of fine and close brown corundum, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and the each component of detonation suppressor is respectively 80%, 10%, 6%, 1%, 1%, 1%, 1%.
Preferably, in clay, the mass percent of fine and close brown corundum, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and the each component of detonation suppressor is respectively 75%, 15%, 5%, 1.5%, 1.5%, 1.8%, 0.2%.
Preferably, what in described fine and close fused corundom, granularity was 0.088～1mm accounts for 30% of fine and close fused corundom total mass, and what granularity was 1～3mm accounts for 50%, and what granularity was 3～5mm accounts for 20%.
Preferably, described fine and close fused corundom powder particle size is less than 0.044mm person and accounts for 65% of fine and close fused corundom fine powder total mass, granularity 0.044 and 0.088mm between person account for 35% of fine and close fused corundom fine powder total mass.
Preferably, described bonding agent is Suzhou mud or explosion-proof cement, and described super-fine powder is corundum powder, and described detonation suppressor is metallic aluminium powder.
Preferably, described additive is mixed by boric acid, tripoly phosphate sodium STPP, xylogen trimagnesium phosphate.
Adopt after the technical program, this invention adds appropriate super-fine powder in batching, and the mechanism of super-fine powder is supplement and lubricate, and super-fine powder supplements the gap between aggregate and powder, and while making refractory material casting, water consumption declines; After formed body row draining divides, the duct staying is also less, so just can transfer volume density and decline apparent porosity, thereby improves the structure earthquake intensity of material, optimizes material function.In addition, super-fine powder particle top layer can be adsorbed and broken agent and form water film, transfer lubricated effectiveness, deepen trickling, also can optimize material function, density while having strengthened ramming, make that its compactness is better, intensity is higher, by above-mentioned a series of improvement, make this invention there is the premium properties such as the quick-drying demoulding and quick baking, prevent exploding explosion, and use the life-span in furnace life to rise appreciably, greatly reduce workman's labour intensity, improve Working environment, reduced energy consumption and increased benefit.And this invention construction is simple, be widely used in the mid-frequency melting furnace of all size.Therefore this invention has good value for applications, and has also obtained goodish economic benefit in actual use procedure.
Embodiment
Technical scheme of the present invention is: the preparation method of clay for a kind of intermediate frequency furnace, comprises the following steps:
A, the raw material being made up of the brown corundum of densification, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and detonation suppressor is evenly mixed;
B, the raw material mixing is added in forced mixer and stirred, after stirring, add additive to stir, when use, add a certain proportion of water to stir and in the middle of intermediate frequency furnace coil, put into pipe or the mould of required diameter, the clay of stirred moulding will be put on around coil;
After C, construction, answer seasoning 4 hours, to complete hydration reaction process, when local trimming, seasoning 1 hour, fully volatilizees in order to moisture, ensures between intermediate frequency furnace coil turn and integral insulation, and makes it possess corresponding intensity.
In the present invention, added super-fine powder, the mechanism of super-fine powder is supplement and lubricate, and super-fine powder supplements the gap between aggregate and powder, and while making refractory material casting, water consumption declines; After formed body row draining divides, the duct staying is also less, so just can transfer volume density and decline apparent porosity, thereby improves the structure earthquake intensity of material, optimizes material function.In addition, super-fine powder particle top layer can be adsorbed and broken agent and form water film, has transferred lubricated effectiveness, has deepened trickling, also can optimize material function, density while having strengthened ramming, makes that its compactness is better, intensity is higher, makes this invention have the premium properties such as the quick-drying demoulding and quick baking, prevent exploding explosion, and use the life-span in furnace life to rise appreciably, the labour intensity that greatly reduces workman, has improved Working environment, has reduced energy consumption and has increased benefit.And this invention construction is simple, be widely used in the mid-frequency melting furnace of all size.Therefore this invention has good value for applications, and has also obtained goodish economic benefit in actual use procedure.
Wherein, described fine and close fused corundom comprises the fine and close fused corundom of three kinds of granularities; be respectively 0.088～1mm, 1～3mm and 3～5mm; the mass percent of the particle of three kinds of granularities in fine and close fused corundom is respectively; 0.88～1mm accounts for 30% of fine and close fused corundom total mass, and what granularity was 1～3mm accounts for 50%, and what granularity was 3～5mm accounts for 20%; multiple granularity particle mixes, and can make fine and close fused corundom better adulterate and mix with other components.
Described fine and close fused corundom fine powder comprises the fine and close fused corundom fine powder of two kinds of granularities, be respectively 0～0.044mm and 0.044～0.088mm, wherein 0～0.044mm granularity account for 65% of fine and close fused corundom fine powder total mass, granularity 0.044 and 0.088mm between person account for 35% of fine and close fused corundom fine powder total mass.
As the optimized choice in the present invention, described bonding agent is Suzhou mud or explosion-proof cement, and Suzhou mud or explosion-proof cement are more conventional in patient material, and cost is lower, and described super-fine powder is corundum powder, and described detonation suppressor is metallic aluminium powder.
Described additive is mixed by boric acid, tripoly phosphate sodium STPP, xylogen trimagnesium phosphate, wherein main component is boric acid, traditional additive main component is resin, the additive main component of using in the present invention is boric acid, boric acid is a kind of solubility promoter, can acceleration of sintering effect in refractory materials, flue dust and the toxic gas of having avoided conventional additive to produce because of resin baking with in heating up impact environment and staff simultaneously; Secondly this additive has soon firmly, dries soon resistance to and wear-resisting effect, and original safety anti-explosive temperature is improved greatly.
Embodiment 1: in clay, the mass percent of fine and close brown corundum, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and the each component of detonation suppressor is respectively 70%, 10%, 8%, 2%, 2%, 3%, 5%.
Embodiment 2: in clay, the mass percent of fine and close brown corundum, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and the each component of detonation suppressor is respectively 73.4%, 20%, 5%, 0.5%, 0.5%, 0.5%, 0.1%.
Embodiment 3: in clay, the mass percent of fine and close brown corundum, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and the each component of detonation suppressor is respectively 80%, 10%, 6%, 1%, 1%, 1%, 1%.
Embodiment 4: in clay, the mass percent of fine and close brown corundum, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and the each component of detonation suppressor is respectively 75%, 15%, 5%, 1.5%, 1.5%, 1.8%, 0.2%.
Claims (9)
1. a preparation method for clay for intermediate frequency furnace, is characterized in that: comprise the following steps:
A, the raw material being made up of the brown corundum of densification, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and detonation suppressor is evenly mixed;
B, the raw material mixing is added in forced mixer and stirred, after stirring, add additive to stir, when use, add a certain proportion of water to stir and in the middle of intermediate frequency furnace coil, put into pipe or the mould of required diameter, the clay of stirred moulding will be put on around coil;
After C, construction, answer seasoning 4 hours, to complete hydration reaction process, when local trimming, seasoning 1 hour, fully volatilizees in order to moisture, ensures between intermediate frequency furnace coil turn and integral insulation, and makes it possess corresponding intensity.
2. the preparation method of clay for intermediate frequency furnace according to claim 1, is characterized in that: in clay, the mass percent of fine and close brown corundum, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and the each component of detonation suppressor is respectively 70%, 10%, 8%, 2%, 2%, 3%, 5%.
3. the preparation method of clay for intermediate frequency furnace according to claim 1, is characterized in that: in clay, the mass percent of fine and close brown corundum, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and the each component of detonation suppressor is respectively 73.4%, 20%, 5%, 0.5%, 0.5%, 0.5%, 0.1%.
4. the preparation method of clay for intermediate frequency furnace according to claim 1, is characterized in that: in clay, the mass percent of fine and close brown corundum, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and the each component of detonation suppressor is respectively 80%, 10%, 6%, 1%, 1%, 1%, 1%.
5. the preparation method of clay for intermediate frequency furnace according to claim 1, is characterized in that: in clay, the mass percent of fine and close brown corundum, fine and close brown corundum fine powder, bonding agent, super-fine powder, additive and the each component of detonation suppressor is respectively 75%, 15%, 5%, 1.5%, 1.5%, 1.8%, 0.2%.
6. the preparation method of clay for intermediate frequency furnace according to claim 1, it is characterized in that: what in described fine and close fused corundom, granularity was 0.088～1mm accounts for 30% of fine and close fused corundom total mass, granularity be 1～3mm account for 50%, what granularity was 3～5mm accounts for 20%.
7. the preparation method of clay for intermediate frequency furnace according to claim 1, it is characterized in that: described fine and close fused corundom powder particle size is less than 0.044mm person and accounts for 65% of fine and close fused corundom fine powder total mass, granularity 0.044 and 0.088mm between person account for 35% of fine and close fused corundom fine powder total mass.
8. the preparation method of clay for intermediate frequency furnace according to claim 1, is characterized in that: described bonding agent is Suzhou mud or explosion-proof cement, and described super-fine powder is corundum powder, and described detonation suppressor is metallic aluminium powder
9. the preparation method of clay for intermediate frequency furnace according to claim 1, is characterized in that: described additive is mixed by boric acid, tripoly phosphate sodium STPP, xylogen trimagnesium phosphate.
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| CN201410233044.9A CN104030703A (en) | 2014-05-28 | 2014-05-28 | Preparation method of cement gum for intermediate frequency furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105777148A (en) * | 2016-01-30 | 2016-07-20 | 武汉科技大学 | Coil daub for medium-frequency induction furnace and preparation method thereof |
| CN106278314A (en) * | 2016-08-15 | 2017-01-04 | 冷水江市华科高新材料有限公司 | A kind of intermediate frequency furnace coil clay and preparation method thereof |
| CN106495721A (en) * | 2016-11-25 | 2017-03-15 | 四川合电炉科技有限公司 | A kind of induction coil clay and preparation method thereof |
| CN107057423A (en) * | 2016-11-28 | 2017-08-18 | 浙江锦诚新材料股份有限公司 | A kind of intermediate frequency furnace coil special coating |
| CN109516786A (en) * | 2018-12-10 | 2019-03-26 | 海城市金福锋科技有限公司 | A kind of intermediate frequency furnace protects clay, preparation and construction method with coil |
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| CN101693623A (en) * | 2009-10-19 | 2010-04-14 | 长沙环宇石英砂有限公司 | Insulating and refractory mortar for induction coils and preparation process thereof |
| CN101805196A (en) * | 2010-03-19 | 2010-08-18 | 蒋志忠 | Preparation method of quick-drying anti-explosion wear-resistant casting material |
| CN101830719A (en) * | 2010-05-28 | 2010-09-15 | 河南华西耐火材料有限公司 | Explosion-proof iron runner castable |
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2014
- 2014-05-28 CN CN201410233044.9A patent/CN104030703A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693623A (en) * | 2009-10-19 | 2010-04-14 | 长沙环宇石英砂有限公司 | Insulating and refractory mortar for induction coils and preparation process thereof |
| CN101805196A (en) * | 2010-03-19 | 2010-08-18 | 蒋志忠 | Preparation method of quick-drying anti-explosion wear-resistant casting material |
| CN101830719A (en) * | 2010-05-28 | 2010-09-15 | 河南华西耐火材料有限公司 | Explosion-proof iron runner castable |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105777148A (en) * | 2016-01-30 | 2016-07-20 | 武汉科技大学 | Coil daub for medium-frequency induction furnace and preparation method thereof |
| CN105777148B (en) * | 2016-01-30 | 2018-07-24 | 武汉科技大学 | Coil daub for medium-frequency induction furnace and preparation method thereof |
| CN106278314A (en) * | 2016-08-15 | 2017-01-04 | 冷水江市华科高新材料有限公司 | A kind of intermediate frequency furnace coil clay and preparation method thereof |
| CN106495721A (en) * | 2016-11-25 | 2017-03-15 | 四川合电炉科技有限公司 | A kind of induction coil clay and preparation method thereof |
| CN107057423A (en) * | 2016-11-28 | 2017-08-18 | 浙江锦诚新材料股份有限公司 | A kind of intermediate frequency furnace coil special coating |
| CN109516786A (en) * | 2018-12-10 | 2019-03-26 | 海城市金福锋科技有限公司 | A kind of intermediate frequency furnace protects clay, preparation and construction method with coil |
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