CN102380591A - Preparation process of diffusion slit breathable water supply opening - Google Patents
Preparation process of diffusion slit breathable water supply opening Download PDFInfo
- Publication number
- CN102380591A CN102380591A CN2011103633680A CN201110363368A CN102380591A CN 102380591 A CN102380591 A CN 102380591A CN 2011103633680 A CN2011103633680 A CN 2011103633680A CN 201110363368 A CN201110363368 A CN 201110363368A CN 102380591 A CN102380591 A CN 102380591A
- Authority
- CN
- China
- Prior art keywords
- disperse
- pipe end
- filling pipe
- slit
- fine
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The invention belongs to the technical field of production of carbon-containing refractory materials and mainly relates to a preparation process for a diffusion slit breathable water supply opening. An air chamber (2) is formed by ignition lost of a flexible thin-film material (5) between a diffusion body (3) and a compact body (1); the flexible thin-film material (5) serves as a parting isolation layer in a filling stage to separate a diffusion body raw material and a compact body raw material, filling is accomplished at one time, and the diffusion slit breathable water supply opening blank body is processed by one time of cold isostatic pressing forming. In the invention, the diffusion slit breathable water supply opening is formed by one time of cold isostatic pressing forming, the process steps are effectively simplified, the production efficiency is increased, and equipment and energy consumption is reduced; the bonding strength of the diffusion body and the compact body is improved effectively; and when used in production, the preparation process has high operability, can save energy, reduce consumption and increase effect, and is easy to promote.
Description
Technical field
The invention belongs to the carbon containing refractory production technical field, relate generally to a kind of preparation technology of disperse slit-type ventilating filling pipe end.
Background technology
Disperse slit-type ventilating filling pipe end is the critical function refractory material in the continuous casting technology, and disperse slit-type ventilating filling pipe end comprises disperse body, fine and close body and air chamber; Disperse slit-type ventilating filling pipe end is installed on tundish bottom, in molten steel, is blown into inert gas, can stablize the quality of molten steel after the after-treatment, promotes that the nonmetal impurities come-up is separated in the molten steel, and evenly molten steel composition, temperature are improved steel and stable pouring operation.Disperse slit-type ventilating filling pipe end need have good gas permeability, resistance to sudden heating and anti-molten steel aggressivity.
The processing technology of disperse slit-type ventilating filling pipe end employing at present mainly is a secondary cold isostatic compaction technology.This technological process is: 1, dress mould filler cold isostatic compaction completion for the first time disperse body; 2, depanning and this external surface of disperse is carried out coating handle; 3, dress mould filler for the second time cold isostatic compaction accomplish combining of disperse body and fine and close body, produce disperse slit-type ventilating filling pipe end base substrate; 4, high-temperature heat treatment sintering disperse slit-type ventilating filling pipe end burns simultaneously and loses disperse body external surface coating formation slit.The problem that above-mentioned moulding process mainly exists is: 1, disperse body and fine and close body bond strength are low; 2, operation is loaded down with trivial details; 3, production efficiency is low; 4, equipment and energy resource consumption are big.Disperse slit-type ventilating filling pipe end is the refractory products that generally adopts at present; The preparation material of its product structure and product is existing very mature technique; The present invention proposes on the basis of existing product structure and preparation of product material, only relates to the preparation technology of disperse slit-type ventilating filling pipe end.
Summary of the invention
The objective of the invention is to propose a kind of preparation technology of disperse slit-type ventilating filling pipe end, adopt cold isostatic compaction prepared disperse slit-type ventilating filling pipe end one time, it can effectively be simplified working process, enhance productivity reduction equipment and energy resource consumption; Effectively improve the bond strength of disperse body and fine and close body simultaneously.
The present invention accomplishes the technical scheme that its invention task adopted:
A kind of preparation technology of disperse slit-type ventilating filling pipe end, described disperse slit-type ventilating filling pipe end comprises disperse body, fine and close body and air chamber; Described air chamber burns the mistake back by the flexible thin-film material between disperse body and fine and close body and forms; The flexible thin-film material serves as the somatotype interlayer in the filler stage; Separate disperse bulk stock and fine and close bulk stock; Once accomplish charge, a cold isostatic compaction is accomplished the processing of said disperse slit-type ventilating filling pipe end base substrate; Its concrete step of preparation process is following:
1), rigid die and bottom Jiao Gai are put into jacket, the die cavity of the cavity formation ventilating filling pipe end between rigid die, bottom Jiao Gai and the jacket;
2), fine and close bulk stock is injected in the die cavity of ventilating filling pipe end, make the fine and close bulk stock of being injected last plane and disperse body the bottom at grade;
3) with flexible thin-film material cylindraceous place ventilating filling pipe end die cavity the centre and be positioned on the last plane of the fine and close bulk stock of being injected; Toroidal cavity between flexible thin-film material cylindraceous and the rigid die forms disperse body die cavity; The disperse bulk stock is injected in the described disperse body die cavity to desired location; Fine and close bulk stock is injected in the toroidal cavity between flexible thin-film material cylindraceous and the jacket to desired location;
4) top hold-down with rigid die combines with rigid die, and covers top Jiao Gai, and the charge process is accomplished in sealing;
5), cold isostatic compaction accomplishes the processing of disperse slit-type ventilating filling pipe end base substrate, the pressure of cold isostatic compaction is 120-150Mpa;
6), high-temperature heat treatment disperse slit-type ventilating filling pipe end, flexible thin-film material between disperse body and fine and close body volatilization totally forms air chamber; The temperature of high-temperature heat treatment is 900-1100 ℃.
Described flexible thin-film material is ultra-thin polyester film or stationery.
Described flexible thin-film material's thickness is 1-2mm.
Disperse slit-type ventilating filling pipe end involved in the present invention is the refractory products that generally adopts at present; The raw material of its preparation and assembly are existing very mature technique; The present invention only relates to the preparation technology of disperse slit-type ventilating filling pipe end, does not relate to preparation raw material and assembly:
Fine and close bulk stock component and mass percent can be: aluminium oxide 40-60%, graphite 20-30%, zirconium mullite 5-10%, Si+SiC5-10%, monoclinic zirconia: 5-10%;
Disperse bulk stock component and mass percent can be: aluminium oxide 40-55%, graphite 20-25%, Si+SiC5-10%, Mg (OH)
25-10%, Al (OH)
33-5%, vitreous silica: 5-10%.
The preparation technology of a kind of disperse slit-type ventilating filling pipe end that the present invention proposes adopts cold isostatic compaction prepared disperse slit-type ventilating filling pipe end one time, has effectively simplified operation, has improved production efficiency, has reduced equipment and energy resource consumption; Effectively improved simultaneously the bond strength of disperse body and fine and close body; The present invention is applied to produce and has good operability in addition, and the synergy of can saving energy and reduce the cost is easy to promote.
Description of drawings
Fig. 1 is the structural representation of disperse slit-type ventilating filling pipe end.
Fig. 2 is the sketch map that the present invention prepares disperse slit-type ventilating filling pipe end.
Among the figure: 1, fine and close body, 2, air chamber, 3, the disperse body, 4, fine and close body die cavity, 5, the flexible thin-film material, 6, disperse body die cavity, 7, rigid die, 8, bottom Jiao Gai, 9, jacket, 10, top Jiao Gai.
The specific embodiment
In conjunction with accompanying drawing and specific embodiment the present invention is done further detailed explanation, but not as to qualification of the present invention.
As shown in Figure 1, and with reference to Fig. 2, a kind of preparation technology of disperse slit-type ventilating filling pipe end, described disperse slit-type ventilating filling pipe end comprises disperse body 3, fine and close body 1 and air chamber 2; Described air chamber 2 burns the mistake back by the flexible thin-film material between disperse body and fine and close body 5 and forms; The flexible thin-film material serves as the somatotype interlayer in the filler stage; Separate disperse bulk stock and fine and close bulk stock; Once accomplish charge, a cold isostatic compaction is accomplished the processing of said disperse slit-type ventilating filling pipe end base substrate; Its concrete step of preparation process is following:
1), rigid die 7 and bottom glue lid 8 are put into jacket 9, the die cavity of the cavity formation ventilating filling pipe end between rigid die 7, bottom glue lid 8 and the jacket 9;
2), fine and close bulk stock is injected in the die cavity of ventilating filling pipe end, make the fine and close bulk stock of being injected last plane and disperse body the bottom at grade;
3) with flexible thin-film material 5 cylindraceous place ventilating filling pipe end die cavity the centre and be positioned on the last plane of the fine and close bulk stock of being injected; Toroidal cavity between flexible thin-film material 5 cylindraceous and the rigid die 7 forms disperse body die cavity 6; Described flexible thin-film material 5 is ultra-thin polyester film, and thickness is 1-2mm; The disperse bulk stock is injected in the described disperse body die cavity 6 to desired location; Fine and close bulk stock is injected in the toroidal cavity between flexible thin-film material 5 cylindraceous and the jacket 9 to desired location;
4) top hold-down with rigid die combines with rigid die, and top hold-down can adopt the mode of fastening to combine with rigid die, and covers top glue lid 10, and the charge process is accomplished in sealing;
5), cold isostatic compaction accomplishes the processing of disperse slit-type ventilating filling pipe end base substrate, the pressure of cold isostatic compaction is 120 Mpa;
6), high-temperature heat treatment disperse slit-type ventilating filling pipe end, adopt the nitrogen protection heat-treatment furnace, temperature is 1100 ℃, volatilizing during at 300 ℃ the flexible thin-film material 5 between disperse body and the fine and close body totally forms air chamber 2.The common process that the high-temperature heat treatment operation of disperse slit-type ventilating filling pipe end adopts for existing disperse slit-type ventilating filling pipe end production.
Disperse slit-type ventilating filling pipe end involved in the present invention is the refractory products that generally adopts at present; The raw material of its preparation and assembly are existing very mature technique; The present invention only relates to the preparation technology of disperse slit-type ventilating filling pipe end, does not relate to preparation raw material and assembly:
Fine and close bulk stock component and mass percent, for: aluminium oxide 54%, graphite 25%, zirconium mullite 6%, Si+SiC
58%, monoclinic zirconia 7%;
Disperse bulk stock component and mass percent, for: aluminium oxide 50%, graphite 25%, Si+SiC
58%, Mg (OH)
2: Al (OH) 6%,
33%, vitreous silica 8%.
The foregoing description only be for clearly the present invention is described and is made for example, and be not qualification to embodiment of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.
Claims (3)
1. the preparation technology of a disperse slit-type ventilating filling pipe end, described disperse slit-type ventilating filling pipe end comprises disperse body (3), fine and close body (1) and air chamber (2); It is characterized in that: described air chamber (2) is formed by flexible thin-film material (5) the burning mistake back that is positioned between disperse body (3) and the fine and close body (1); Flexible thin-film material (5) serves as the somatotype interlayer in the filler stage; Separate disperse bulk stock and fine and close bulk stock; Once accomplish charge, a cold isostatic compaction is accomplished the processing of said disperse slit-type ventilating filling pipe end base substrate; Its concrete step of preparation process is following:
1), rigid die (7) and bottom Jiao Gai (8) are put into jacket (9), the die cavity of the cavity formation ventilating filling pipe end between rigid die (7), bottom Jiao Gai (8) and the jacket (9);
2), fine and close bulk stock is injected in the die cavity of ventilating filling pipe end, make the fine and close bulk stock of being injected last plane and disperse body the bottom at grade;
3) with flexible thin-film material cylindraceous (5) place ventilating filling pipe end die cavity the centre and be positioned on the last plane of the fine and close bulk stock of being injected; Toroidal cavity between flexible thin-film material cylindraceous (5) and the rigid die (7) forms disperse body die cavity (6); The disperse bulk stock is injected in the described disperse body die cavity to desired location; Fine and close bulk stock is injected in the toroidal cavity between flexible thin-film material cylindraceous (5) and the jacket (9) to desired location;
4) top hold-down with rigid die combines with rigid die (7), and covers top Jiao Gai (10), and the charge process is accomplished in sealing;
5), cold isostatic compaction accomplishes the processing of disperse slit-type ventilating filling pipe end base substrate, the pressure of cold isostatic compaction is 120-150 Mpa;
6), high-temperature heat treatment disperse slit-type ventilating filling pipe end, flexible thin-film material (5) volatilization that is positioned between disperse body (3) and the fine and close body (1) totally forms air chamber; The temperature of high-temperature heat treatment is 900-1100 ℃.
2. according to the preparation technology of claim 1 disperse slit-type ventilating filling pipe end, it is characterized in that: said flexible thin-film material (5) is ultra-thin polyester film or stationery.
3. according to the preparation technology of claim 1 disperse slit-type ventilating filling pipe end, it is characterized in that: said flexible thin-film material (5) thickness is 1-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103633680A CN102380591A (en) | 2011-11-16 | 2011-11-16 | Preparation process of diffusion slit breathable water supply opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103633680A CN102380591A (en) | 2011-11-16 | 2011-11-16 | Preparation process of diffusion slit breathable water supply opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102380591A true CN102380591A (en) | 2012-03-21 |
Family
ID=45820656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103633680A Pending CN102380591A (en) | 2011-11-16 | 2011-11-16 | Preparation process of diffusion slit breathable water supply opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102380591A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081304A (en) * | 2015-08-26 | 2015-11-25 | 北京利尔高温材料股份有限公司 | Immersion type water gap forming die and manufacturing method thereof |
| CN110340340A (en) * | 2019-08-22 | 2019-10-18 | 中钢集团洛阳耐火材料研究院有限公司 | A kind of FTSC sheet blank continuous casting immerseable gate molding die and forming method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5762857A (en) * | 1980-09-29 | 1982-04-16 | Kurosaki Refract Co Ltd | Production of nozzle for casting having slit |
| JPS62279073A (en) * | 1986-05-24 | 1987-12-03 | Kurosaki Refract Co Ltd | Sliding nozzle having gas blowing function |
| CN1694774A (en) * | 2002-09-03 | 2005-11-09 | 维苏维尤斯·克鲁斯布公司 | Gas purged nozzle |
| CN201333524Y (en) * | 2009-01-19 | 2009-10-28 | 马鞍山市益江高温陶瓷制造有限公司 | One-step forming air permeable and blockage-prevention tundish upper nozzle |
-
2011
- 2011-11-16 CN CN2011103633680A patent/CN102380591A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5762857A (en) * | 1980-09-29 | 1982-04-16 | Kurosaki Refract Co Ltd | Production of nozzle for casting having slit |
| JPS62279073A (en) * | 1986-05-24 | 1987-12-03 | Kurosaki Refract Co Ltd | Sliding nozzle having gas blowing function |
| CN1694774A (en) * | 2002-09-03 | 2005-11-09 | 维苏维尤斯·克鲁斯布公司 | Gas purged nozzle |
| CN201333524Y (en) * | 2009-01-19 | 2009-10-28 | 马鞍山市益江高温陶瓷制造有限公司 | One-step forming air permeable and blockage-prevention tundish upper nozzle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081304A (en) * | 2015-08-26 | 2015-11-25 | 北京利尔高温材料股份有限公司 | Immersion type water gap forming die and manufacturing method thereof |
| CN110340340A (en) * | 2019-08-22 | 2019-10-18 | 中钢集团洛阳耐火材料研究院有限公司 | A kind of FTSC sheet blank continuous casting immerseable gate molding die and forming method |
| CN110340340B (en) * | 2019-08-22 | 2024-03-15 | 中钢集团洛阳耐火材料研究院有限公司 | Forming die and forming method for FTSC sheet billet continuous casting immersion nozzle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103626498B (en) | Boron nitride based ceramic nozzle and preparation method thereof | |
| CN103586296B (en) | Mosaic ceramic drawing die and making method thereof | |
| CN101863676A (en) | Non-carbon residue feather edge brick for refining steel ladle and preparation method thereof | |
| CN103880448A (en) | Large casting-molding self-combined silicon carbide product | |
| CN106630976A (en) | Gate valve sliding plate brick for slag retaining of converter and preparation method thereof | |
| CN109678479B (en) | Ladle bottom argon blowing air brick for smelting high-purity high-manganese steel | |
| CN112250442B (en) | Preparation method of high-toughness binderless nanocrystalline hard alloy | |
| CN106145976A (en) | Cement kiln andalusite mullite silicon carbide brick and preparation method thereof | |
| CN108911719B (en) | Composite ceramic | |
| CN101704100B (en) | Tundish breathable water inlet used for metal continuous casting plate blank and preparation method thereof | |
| CN108546093B (en) | Alumina short fiber reinforced magnesium oxide base crucible and preparation method thereof | |
| CN103964859B (en) | Thin steel strip continuous casting side sealing plate and preparation method thereof | |
| CN106702056A (en) | Iron tap channel swing spout prefabricated piece and manufacturing method thereof | |
| CN102380591A (en) | Preparation process of diffusion slit breathable water supply opening | |
| CN107433672A (en) | The preparation method of mobile communication equipment shell | |
| CN107434404B (en) | Zirconium composite high-performance fused magnesia calcium zirconium brick and manufacturing method thereof | |
| CN202377516U (en) | Silicon nitride and silicon carbide combined ceramic lift tube with embedded ceramic fiber | |
| CN108218414A (en) | A kind of preparation method of high-capacity vacuum sensing smelting combined oxidation calcium crucible | |
| CN106396699A (en) | ZrN-SiAlON-added aluminum liquid penetration-resistant casting material and preparation method thereof | |
| CN107723484B (en) | Preparation method of ferrochrome and crucible applied to preparation method | |
| CN114853489A (en) | beta-SiC combined SiC refractory material with low binding phase content and preparation method and product thereof | |
| CN208201032U (en) | A kind of ventilative brick structure of disperse | |
| CN103951440B (en) | High heat conduction hot press moulding brick fuel | |
| CN102898131B (en) | Aluminium titanate mullite composite monoblock stopper and preparation method thereof | |
| CN107399959B (en) | Preparation method for reinforcing aluminum oxide-magnesium oxide-calcium oxide composite material by using nano oxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120321 |