CN107721445A - A kind of high-strength mullite pouring material preparation method - Google Patents
A kind of high-strength mullite pouring material preparation method Download PDFInfo
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- CN107721445A CN107721445A CN201711138934.1A CN201711138934A CN107721445A CN 107721445 A CN107721445 A CN 107721445A CN 201711138934 A CN201711138934 A CN 201711138934A CN 107721445 A CN107721445 A CN 107721445A
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
- C04B35/6306—Binders based on phosphoric acids or phosphates
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/74—Ceramic products containing macroscopic reinforcing agents containing shaped metallic materials
- C04B35/76—Fibres, filaments, whiskers, platelets, or the like
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
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Abstract
The present invention provides a kind of high-strength mullite pouring material preparation method, comprises the following steps:A will be crushed in mullite, brown diamond spar, zirconium material input disintegrating machine, to be broken into particle, and its particle is put into addition water in mixer and is stirred, obtains hybrid particles A;SiO2 micro mists, heat-resistant steel fiber, nano-barite powder are put into ball mill and mixed by b, are made it well mixed, abundant, are obtained compound B;C adds in hybrid particles A and compound B input input de-airing mixers bonding agent and water, stirs to obtain compound C under vacuum;D cleans compound C injections in clean fixing mould, is molded, produced using vibrating head layered vibration.The present invention is easy to operate, scientific and reasonable, the fineness of mullite pouring material can be effectively improved, so as to improve the quality of castable.
Description
Technical field
The present invention relates to refractory material manufacture field, and in particular to a kind of high-strength mullite pouring material preparation method.
Technical background
In today of traditional energy increasingly depleted and new energy slower development, currently most urgent task be exploitation lightweight,
High-strength, good thermal shock stability, temperature in use high energy meet the inner lining material needed for light structures.Mullite has excellent high temperatures
The performance such as matter and mechanical strength, thus it has been widely applied to numerous industry such as metallurgy, machinery, chemical industry, electronics, aviation and national defence
Field.Mullite material strength and stability and the needs of actual production are not met in the market, give follow-up producing process band
Influence is necessarily carried out.
The content of the invention
The technical problems to be solved by the invention are:A kind of high-strength mullite pouring material preparation method is provided, it is easy to operate,
It is scientific and reasonable, the fineness of mullite pouring material can be effectively improved, so as to improve the quality of castable.
In order to solve the above technical problems, the invention provides following technical scheme:
A kind of high-strength mullite pouring material preparation method, comprises the following steps:
A will be crushed in mullite, brown diamond spar, zirconium material input disintegrating machine, to be broken into particle, and its particle is put
Enter to add water in mixer and be stirred, mixing time is 5~10min, obtains hybrid particles A;
SiO2 micro mists, heat-resistant steel fiber, nano-barite powder are put into 20~30min of mixing in ball mill by b, make its mixing
Uniformly, fully, compound B is obtained;
C adds bonding agent and water, under vacuum by hybrid particles A and compound B input input de-airing mixers
Stirring 40~50 minutes, obtains compound C;
D cleans compound C injections in clean fixing mould, is molded using vibrating head layered vibration, treats surface bleeding,
Produce;
Above-mentioned raw materials are calculated as by weight:40~50 parts of mullite, 20~30 parts of brown diamond spar, 10~15 parts of zirconium material,
5~8 parts of SiO2 micro mists, 2~5 parts of heat-resistant steel fiber, 1~3 part of nano-barite powder, 1~3 part of bonding agent.
As preferred:Vacuum pressure degree in the step c is 2kPa.
As preferred:Its raw material is calculated as by weight:46 parts of mullite, 25 parts of brown diamond spar, 12 parts of zirconium material, SiO2 are micro-
6 parts of powder, 4 parts of heat-resistant steel fiber, 2 parts of nano-barite powder, 2 parts of bonding agent.
Preferably, the zirconium material is zirconium dioxide.
Preferably, the bonding agent is industrial phosphoric acid.
Compared with prior art, the present invention program has beneficial effect:The high-strength mullite pouring material method material matching
The raw material such as science, brown diamond spar, zirconium material, nano-barite powder can be effectively improved intensity, the fineness of mullite pouring material,
And stirring improves the fineness of compound under vacuum, ensure that castable property is stable, extend usage time, lifting
Product quality.
Embodiment
The present invention is described in further detail below by specific embodiment.
Embodiment 1:
A kind of high-strength mullite pouring material preparation method, comprises the following steps:
A will be crushed in mullite, brown diamond spar, zirconium material input disintegrating machine, to be broken into particle, and its particle is put
Enter to add water in mixer and be stirred, mixing time 10min, obtain hybrid particles A;
SiO2 micro mists, heat-resistant steel fiber, nano-barite powder are put into ball mill and mix 20min by b, make its mixing equal
It is even, abundant, obtain compound B;
C adds bonding agent and water, under vacuum by hybrid particles A and compound B input input de-airing mixers
Stirring 50 minutes, obtains compound C;
D cleans compound C injections in clean fixing mould, is molded using vibrating head layered vibration, treats surface bleeding,
Produce;
Above-mentioned raw materials are calculated as by weight:40 parts of mullite, 30 parts of brown diamond spar, 10 parts of zirconium material, 8 parts of SiO2 micro mists,
2 parts of heat-resistant steel fiber, 1 part of nano-barite powder, 3 parts of bonding agent.
Vacuum pressure degree in the step c is 2kPa.
The zirconium material is zirconium dioxide.
The bonding agent is industrial phosphoric acid.
Embodiment 2:
A kind of high-strength mullite pouring material preparation method, comprises the following steps:
A will be crushed in mullite, brown diamond spar, zirconium material input disintegrating machine, to be broken into particle, and its particle is put
Enter to add water in mixer and be stirred, mixing time 5min, obtain hybrid particles A;
SiO2 micro mists, heat-resistant steel fiber, nano-barite powder are put into ball mill and mix 30min by b, make its mixing equal
It is even, abundant, obtain compound B;
C adds bonding agent and water, under vacuum by hybrid particles A and compound B input input de-airing mixers
Stirring 40 minutes, obtains compound C;
D cleans compound C injections in clean fixing mould, is molded using vibrating head layered vibration, treats surface bleeding,
Produce;
Above-mentioned raw materials are calculated as by weight:46 parts of mullite, 25 parts of brown diamond spar, 12 parts of zirconium material, 6 parts of SiO2 micro mists,
4 parts of heat-resistant steel fiber, 2 parts of nano-barite powder, 2 parts of bonding agent.
Vacuum pressure degree in the step c is 2kPa.
The zirconium material is zirconium dioxide.
The bonding agent is industrial phosphoric acid.
Embodiment 3:
A kind of high-strength mullite pouring material preparation method, comprises the following steps:
A will be crushed in mullite, brown diamond spar, zirconium material input disintegrating machine, to be broken into particle, and its particle is put
Enter to add water in mixer and be stirred, mixing time 8min, obtain hybrid particles A;
SiO2 micro mists, heat-resistant steel fiber, nano-barite powder are put into ball mill and mix 24min by b, make its mixing equal
It is even, abundant, obtain compound B;
C adds bonding agent and water, under vacuum by hybrid particles A and compound B input input de-airing mixers
Stirring 45 minutes, obtains compound C;
D cleans compound C injections in clean fixing mould, is molded using vibrating head layered vibration, treats surface bleeding,
Produce;
Above-mentioned raw materials are calculated as by weight:50 parts of mullite, 20 parts of brown diamond spar, 15 parts of zirconium material, 5 parts of SiO2 micro mists,
5 parts of heat-resistant steel fiber, 3 parts of nano-barite powder, 1 part of bonding agent.
Vacuum pressure degree in the step c is 2kPa.
The zirconium material is zirconium dioxide.
The bonding agent is industrial phosphoric acid.
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 (5)
1. a kind of high-strength mullite pouring material preparation method, it is characterised in that comprise the following steps:
A will be crushed in mullite, brown diamond spar, zirconium material input disintegrating machine, to be broken into particle, and its particle is put into and stirred
Mix addition water in machine to be stirred, mixing time is 5~10min, obtains hybrid particles A;
SiO2 micro mists, heat-resistant steel fiber, nano-barite powder are put into 20~30min of mixing in ball mill by b, make its mixing equal
It is even, abundant, obtain compound B;
C adds in hybrid particles A and compound B input input de-airing mixers bonding agent and water, stirred under vacuum
40~50 minutes, obtain compound C;
D cleans compound C injections in clean fixing mould, is molded using vibrating head layered vibration, treats surface bleeding, i.e.,
;
Above-mentioned raw materials are calculated as by weight:40~50 parts of mullite, 20~30 parts of brown diamond spar, 10~15 parts of zirconium material, SiO2
5~8 parts of micro mist, 2~5 parts of heat-resistant steel fiber, 1~3 part of nano-barite powder, 1~3 part of bonding agent.
2. high-strength mullite pouring material preparation method as claimed in claim 1, it is characterised in that the vacuum in the step c
Surging is 2kPa.
3. high-strength mullite pouring material preparation method as claimed in claim 1, it is characterised in that its raw material is by weight
For:46 parts of mullite, 25 parts of brown diamond spar, 12 parts of zirconium material, 6 parts of SiO2 micro mists, 4 parts of heat-resistant steel fiber, nano-barite powder 2
Part, 2 parts of bonding agent.
4. high-strength mullite pouring material preparation method as claimed in claim 1, it is characterised in that the zirconium material is dioxy
Change zirconium.
5. high-strength mullite pouring material preparation method as claimed in claim 1, it is characterised in that the bonding agent is industrial phosphorus
Acid.
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CN201711138934.1A CN107721445A (en) | 2017-11-16 | 2017-11-16 | A kind of high-strength mullite pouring material preparation method |
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CN201711138934.1A CN107721445A (en) | 2017-11-16 | 2017-11-16 | A kind of high-strength mullite pouring material preparation method |
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CN107721445A true CN107721445A (en) | 2018-02-23 |
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CN201711138934.1A Withdrawn CN107721445A (en) | 2017-11-16 | 2017-11-16 | A kind of high-strength mullite pouring material preparation method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111559916A (en) * | 2020-07-07 | 2020-08-21 | 王凤君 | Mullite steel fiber castable |
CN115838280A (en) * | 2022-12-09 | 2023-03-24 | 湖南旗滨医药材料科技有限公司 | Platinum-rhodium alloy plated mullite rotating tube, preparation method and application thereof |
-
2017
- 2017-11-16 CN CN201711138934.1A patent/CN107721445A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111559916A (en) * | 2020-07-07 | 2020-08-21 | 王凤君 | Mullite steel fiber castable |
CN115838280A (en) * | 2022-12-09 | 2023-03-24 | 湖南旗滨医药材料科技有限公司 | Platinum-rhodium alloy plated mullite rotating tube, preparation method and application thereof |
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Application publication date: 20180223 |