CN105330315A - Method for eliminating air holes in surface of cast refractory material product - Google Patents
Method for eliminating air holes in surface of cast refractory material product Download PDFInfo
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- CN105330315A CN105330315A CN201510899176.XA CN201510899176A CN105330315A CN 105330315 A CN105330315 A CN 105330315A CN 201510899176 A CN201510899176 A CN 201510899176A CN 105330315 A CN105330315 A CN 105330315A
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- water
- water absorbing
- absorbing material
- forming mould
- forming mold
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Abstract
The invention belongs to the field of refractory material forming, and relates to a method for eliminating air holes in the surface of a cast refractory material product. The method includes the step of covering the inner surface of a forming mold with a water absorbing layer with certain water absorbing capacity, wherein the forming mold is prepared from a water absorbing material, the water absorbing layer is formed with at least one layer of filter paper attached to the inner surface of the forming mold or formed with the water absorbing material sprayed on the inner surface of the forming mold, the water absorbing layer is 3-5 mm thick, the thickness of the forming mold prepared from the water absorbing material is larger than 10 mm, and the water absorbing material is one of silica gel, vermiculite, water absorbing resin and gypsum. The service life of the refractory material product is prolonged, production efficiency is improved, and resource consumption is lowered.
Description
Technical field
The invention belongs to refractory materials forming field, relate to a kind of method eliminating casting fire resistive material product surface porosity.
Background technology
Casting refractory materials is because preparation technology is simple, production efficiency is high, the features such as save energy, with low cost, easy construction, be widely used in increasing high-temperature field, but traditional casting refractory product surface often forms a lot of pore, thus make metallic solution and impurity infiltrate refractory materials inside easily via pore, destroy materials microstructure, seriously reduce the work-ing life of refractory product.
Tradition pouring procedure is difficult to eliminate casting product surface pore, although adopt the method for vacuum pouring can reduce the pore of mould material, improve products surface quality, but the method facility investment is large, production cost is high, efficiency is also lower, is only applicable to the goods that added value is high, is unfavorable for the popularization of the method.
Document is had in cement matrix, to add defoamer to reduce the bubble in concrete, but it is eliminated the bubble of goods and mould contact surface does not have unusual effect, in addition in concrete, amount of water large fluidity is better than general mould material far away, is not suitable for casting refractory materials.Chinese patent CN102029676A adopts inflammable gas winding-up casting elastic polyurethane surface, makes volume expansion and breaks, but the method to be not suitable for refractory materials shaping.
Therefore, study a kind of cheap, the method for easy-operating elimination casting fire resistive material product surface porosity, for raising casting refractory materials work-ing life, reduce resource consumption tool and have very important significance.
Summary of the invention
The object of the present invention is to provide a kind of method eliminating casting fire resistive material product surface porosity, make it significantly reduce and even eliminate casting fire resistive material product surface porosity, not only improve products surface quality, more can extend the work-ing life of refractory materials, reduce resource consumption.
The present invention adopts following technical scheme for completing foregoing invention object:
Eliminate a method for casting fire resistive material product surface porosity, described method is: be covered with at the internal surface of forming mould the water accepting layer that one deck has certain water-retaining capacity, or described forming mould is made up of water-absorbing material; Described water accepting layer is formed by least one metafiltration paper being pasted onto forming mould internal surface; Or described water accepting layer is formed by the water-absorbing material being sprayed on forming mould internal surface; The thickness of described water accepting layer is 3 ~ 5mm; The thickness of the described forming mould be made up of water-absorbing material is greater than 10mm; Described water-absorbing material is the one in silica gel, vermiculite, water-absorbing resin, gypsum.
A kind of method eliminating casting fire resistive material product surface porosity that the present invention proposes, adopt and apply at the internal surface of forming mould and paste water accepting layer, or adopt water-absorbing material to be prepared into mould, effectively eliminate the pore near casting amorphous refractory product surface, make moulded products exquisiteness attractive in appearance, in use effectively can slow down impurity component and enter casting fire resistive material product inside by pore, material is damaged, thus extend the work-ing life of fire resistive material product, improve production efficiency, decrease the consumption of resource.
Embodiment
In conjunction with following embodiment, the present invention is illustrated:
Eliminate a method for casting fire resistive material product surface porosity, described method is: be covered with at the internal surface of forming mould the water accepting layer that one deck has certain water-retaining capacity; Described water accepting layer is formed by the filter paper being pasted onto forming mould internal surface, filter paper needs use water or Vaseline to stick to casting mold inner lining surface, and ensure filter paper smooth be attached on mould inner wall, in order to avoid produce fold to affect product surface slickness, can suitably increase filter paper thickness according to cast product size; Or described water accepting layer is formed by the water-absorbing material being sprayed on forming mould internal surface, described water-absorbing material is the one in silica gel, vermiculite, water-absorbing resin, gypsum; In use releasing agent will be coated so that the demoulding; The thickness of described water accepting layer is 3 ~ 5mm;
Or described forming mould is made up of water-absorbing material, described water-absorbing material is the one in silica gel, vermiculite, water-absorbing resin, gypsum; Stick to prevent cast product and cause demoulding difficulty on water-absorbing resin or gypsum, releasing agent must be coated at the water-absorbing resin or gypsum surface with product into contact; The thickness of the described forming mould be made up of water-absorbing material is greater than 10mm.
Utilize above-mentioned coating to be poured into a mould by water accepting layer or the forming mould be made up of water-absorbing material, pouring procedure is identical with pouring procedure of the prior art, does not again do too much explanation, and the yield point value of described casting goods when pouring into a mould is not less than 140mm.
Claims (1)
1. eliminate a method for casting fire resistive material product surface porosity, it is characterized in that: described method is: be covered with at the internal surface of forming mould the water accepting layer that one deck has certain water-retaining capacity, or described forming mould is made up of water-absorbing material; Described water accepting layer is formed by least one metafiltration paper being pasted onto forming mould internal surface; Or described water accepting layer is formed by the water-absorbing material being sprayed on forming mould internal surface; The thickness of described water accepting layer is 3 ~ 5mm; The thickness of the described forming mould be made up of water-absorbing material is greater than 10mm; Described water-absorbing material is the one in silica gel, vermiculite, water-absorbing resin, gypsum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510899176.XA CN105330315A (en) | 2015-12-09 | 2015-12-09 | Method for eliminating air holes in surface of cast refractory material product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510899176.XA CN105330315A (en) | 2015-12-09 | 2015-12-09 | Method for eliminating air holes in surface of cast refractory material product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105330315A true CN105330315A (en) | 2016-02-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510899176.XA Pending CN105330315A (en) | 2015-12-09 | 2015-12-09 | Method for eliminating air holes in surface of cast refractory material product |
Country Status (1)
| Country | Link |
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| CN (1) | CN105330315A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863543A (en) * | 2017-02-21 | 2017-06-20 | 芜湖映日科技有限公司 | A kind of injection forming mould |
| CN109435025A (en) * | 2018-11-30 | 2019-03-08 | 湖南仁海科技材料发展有限公司 | A method of eliminating moulding by casting fire resistive material product surface pores |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270943A (en) * | 1999-04-20 | 2000-10-25 | 李艳晖 | Vibrating refractory material forming process by gypsum mold |
| CN101664959A (en) * | 2009-08-26 | 2010-03-10 | 王杏林 | Molding mold of concrete blocks and molding method thereof |
| CN102040388A (en) * | 2010-10-28 | 2011-05-04 | 中钢集团洛阳耐火材料研究院有限公司 | Preparation method of heterotype silicon carbide product |
| CN102528899A (en) * | 2011-12-27 | 2012-07-04 | 咸阳陶瓷研究设计院 | Production process for preparing silica ceramic crucible by use of pressure grouting method |
-
2015
- 2015-12-09 CN CN201510899176.XA patent/CN105330315A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270943A (en) * | 1999-04-20 | 2000-10-25 | 李艳晖 | Vibrating refractory material forming process by gypsum mold |
| CN101664959A (en) * | 2009-08-26 | 2010-03-10 | 王杏林 | Molding mold of concrete blocks and molding method thereof |
| CN102040388A (en) * | 2010-10-28 | 2011-05-04 | 中钢集团洛阳耐火材料研究院有限公司 | Preparation method of heterotype silicon carbide product |
| CN102528899A (en) * | 2011-12-27 | 2012-07-04 | 咸阳陶瓷研究设计院 | Production process for preparing silica ceramic crucible by use of pressure grouting method |
Non-Patent Citations (1)
| Title |
|---|
| 马铁成主编: "《陶瓷工艺学(第二版)》", 31 January 2011 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863543A (en) * | 2017-02-21 | 2017-06-20 | 芜湖映日科技有限公司 | A kind of injection forming mould |
| CN109435025A (en) * | 2018-11-30 | 2019-03-08 | 湖南仁海科技材料发展有限公司 | A method of eliminating moulding by casting fire resistive material product surface pores |
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Application publication date: 20160217 |
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| WD01 | Invention patent application deemed withdrawn after publication |