CN101927333A - Magnesium alloy electromagnetic pump quantitative casting furnace - Google Patents
Magnesium alloy electromagnetic pump quantitative casting furnace Download PDFInfo
- Publication number
- CN101927333A CN101927333A CN 201010273984 CN201010273984A CN101927333A CN 101927333 A CN101927333 A CN 101927333A CN 201010273984 CN201010273984 CN 201010273984 CN 201010273984 A CN201010273984 A CN 201010273984A CN 101927333 A CN101927333 A CN 101927333A
- Authority
- CN
- China
- Prior art keywords
- magnesium alloy
- electromagnetic pump
- alloy electromagnetic
- fusion crucible
- casting furnace
- 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
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention discloses a magnesium alloy electromagnetic pump quantitative casting furnace, which comprises a furnace shell arranged on a furnace base. The inner peripheral wall of the furnace shell is equipped with a furnace heat insulating material layer and a first heating body; and an inner cavity of the furnace shell is provided with a melting crucible, wherein one end of the melting crucible is provided with an upward feed port equipped with a furnace cover; a line frequency induction heating assembly coats and encloses the waist of the melting crucible, while the other end close to the bottom is connected with a liquid outlet horizontal pipe; the horizontal pipe is connected and matched with a magnesium alloy electromagnetic pump for controlling the discharge of magnesium alloy melting liquid; the magnesium alloy electromagnetic pump is connected with a metal liquid delivery pipe; and the peripherals of the horizontal pipe, the magnesium alloy electromagnetic pump and the metal liquid delivery pipe are provided with a heating and heat insulating structure respectively. The magnesium alloy electromagnetic pump quantitative casting furnace can accurately control the metal liquid quantity cast into a sprue cup, and has the characteristics of long service life, difficult damage and no oxidation of the metal liquid or blockage of the liquid delivery pipe.
Description
Technical field
The present invention relates to a kind of magnesium alloy pressure-casting and quantitatively use charging gear, can accurately control the molten metal scale of construction that pours into cup when relating in particular to magnesium alloy pressure-casting, and can avoid the oxidation of molten metal and the magnesium alloy electromagnetic pump quantitative casting furnace that woven hose stops up.
Background technology
At present, magnesium alloy pressure-casting commonly used both at home and abroad mainly is configured to quantitative pouring furnace: compositions such as heating furnace, two chambers crucible, discharge nozzle, control system and hoistable platform.Two chambers crucible is shaped on charging aperture, and magnesium ingot adds in the airtight crucible by charging aperture, enters moist closet after the melting chamber fusing, by discharge nozzle, enters die casting machine material cup and carries out die casting then, finishes a die casting cyclic process.This kind device is to preventing that the oxidation in the magnesium alloy smelting process from being effective, but owing to only paid attention to preventing the oxidation of smelting and pouring magnesium alloy process, it is very inconvenient that the operation that makes becomes, particularly discharging opening often easily stops up, and per tour all needs cleaning several times, otherwise just can't ordinary production, in addition, the control of the quantitative conveying of magnesium alloy liquid also is difficult to grasp, and can't reach accurate control, thereby causes feed unbalanced and influence product quality.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned prior art present situation, provide a kind of can accurately control to pour into the cup molten metal scale of construction, and the metal woven hose is in the metal liquid full state all the time, has avoided the oxidation of molten metal and the magnesium alloy electromagnetic pump quantitative casting furnace that woven hose stops up.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: magnesium alloy electromagnetic pump quantitative casting furnace, comprise the body of heater shell that is installed on the base of furnace body, the internal perisporium of described body of heater shell is fitted with the furnace insulation material layer and first calandria, be provided with fusion crucible in the inner chamber of body of heater shell, wherein: an end of fusion crucible is shaped on the charging aperture that opening makes progress, and charging aperture is equipped with bell, the waist of described fusion crucible is wrapped up in to overlap to enclose and is surrounded by the line-frequency induction heating component, the other end of described fusion crucible is connected with the fluid horizontal tube near the bottom, and horizontal tube connects the magnesium alloy electromagnetic pump of being furnished with control magnesium alloy melt discharge, magnesium alloy electromagnetic pump is connected with the metal woven hose, described horizontal tube, be provided with the heat tracing structure around magnesium alloy electromagnetic pump and the metal woven hose.
For optimizing technique scheme, the concrete measure of taking also comprises:
Above-mentioned heat tracing structure comprises second calandria and the second heat-preservation cotton layer; Described second calandria is provided in the interior week of the second heat-preservation cotton layer.
Above-mentioned line-frequency induction heating component comprises line-frequency induction coil, yoke and the first heat-preservation cotton layer; The described first heat-preservation cotton layer is in innermost layer around the waist of fusion crucible, described yoke be centered around the line-frequency induction coil about and upside and being provided in together on the first heat-preservation cotton layer.
Above-mentioned yoke and line-frequency induction coil are shaped on two groups, and are provided with dividing plate between two groups.
The first above-mentioned calandria is arranged on the end that fusion crucible is shaped on charging aperture, and is installed in the interior week of adiabator layer.
Above-mentioned body of heater shell horizontal positioned, corresponding fusion crucible and line-frequency induction coil horizontal positioned, fusion crucible is to have the cylindrical structural that opening makes progress.
The fluid horizontal tube that above-mentioned close fusion crucible bottom connects is fitted in apart from fusion crucible bottom 1/3rd highly place.
Above-mentioned magnesium alloy electromagnetic pump is circumscribed with can regulate its input current size, and restraining magnesium alloy electromagnetic pump running speed is with the controller of control magnesium alloy melt discharge.
Compared with prior art, one end of fusion crucible of the present invention is shaped on the charging aperture that opening makes progress, and charging aperture is equipped with bell, the waist of fusion crucible is wrapped up in to overlap to enclose and is surrounded by the line-frequency induction heating component, the other end of fusion crucible is connected with the fluid horizontal tube near the bottom, and horizontal tube is fitted with the magnesium alloy electromagnetic pump of control magnesium alloy melt discharge, and magnesium alloy electromagnetic pump is connected with the metal woven hose; Be provided with the heat tracing structure around horizontal tube, magnesium alloy electromagnetic pump and the metal woven hose.This invention is fitted with the discharge that magnesium alloy electromagnetic pump can be controlled the accurate control of the size magnesium alloy melt of magnesium alloy electromagnetic pump electric current by controller, thereby reach the purpose of quantitative cast, and because the heat tracing structure is installed, can avoid when cast, stopping up horizontal tube and metal woven hose, do not need during long time continuous working crucible is cleared up yet, because magnesium metal liquid abrim all the time in horizontal tube and the magnesium alloy electromagnetic pump, can lower the generation of the oxide inclusion of magnesium alloy in casting process greatly, improved casting quality, it is accurate to have the molten metal scale of construction, safe in utilization, reliably, fluid flow is stable during cup, characteristics such as no turbulent flow.
Description of drawings
Fig. 1 is an embodiment of the invention overall structure assembling cross-sectional schematic.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Figure 1 shows that structural representation of the present invention.
Reference numeral wherein is: body of heater shell 1, adiabator layer 2, first calandria 3, line-frequency induction coil 41, yoke 42, the first heat-preservation cotton layer 43, dividing plate 44, fusion crucible 5, bell 51, second calandria 61, the second heat-preservation cotton layer 62, horizontal tube 71, metal woven hose 72, magnesium alloy electromagnetic pump 8, base of furnace body 9.
As shown in Figure 1, the magnesium alloy electromagnetic pump quantitative casting furnace of invention, comprise the body of heater shell 1 that is installed on the base of furnace body 9, the internal perisporium of described body of heater shell 1 is fitted with the furnace insulation material layer 2 and first calandria 3, be provided with fusion crucible 5 in the inner chamber of body of heater shell 1, wherein: an end of described fusion crucible 5 is shaped on the charging aperture that opening makes progress, and charging aperture is equipped with bell 51, the waist of described fusion crucible 5 is wrapped up in to overlap to enclose and is surrounded by the line-frequency induction heating component, the other end of described fusion crucible 5 is connected with fluid horizontal tube 71 near the bottom, and horizontal tube 71 connects the magnesium alloy electromagnetic pump 8 of being furnished with control magnesium alloy melt discharge, magnesium alloy electromagnetic pump 8 is connected with metal woven hose 72, described horizontal tube 71, be provided with the heat tracing structure around magnesium alloy electromagnetic pump 8 and the metal woven hose 72.Fusion crucible 5 is shaped on single charging aperture, its heating surface (area) (HS increases relatively, line-frequency induction heating component mounting structure is succinct more, convenient, has desirable heat tracing effect, have additional magnesium alloy electromagnetic pump 8 and can control the outflow of magnesium alloy melt easily, accurately control pours into the molten metal scale of construction of cup, thereby reaches the purpose of quantitative cast; Horizontal tube 71, magnesium alloy electromagnetic pump 8 and metal woven hose 72 have additional the heat tracing structure, can make magnesium alloy solution remain balanced temperature, make things convenient for fluid to flow, and can avoid the phenomenon of each line clogging in the production process effectively.
Among the embodiment, the heat tracing structure comprises second calandria 61 and the second heat-preservation cotton layer 62; Second calandria 61 is provided in the interior week of the second heat-preservation cotton layer 62.
Among the embodiment, the line-frequency induction heating component comprises line-frequency induction coil 41, yoke 42 and the first heat-preservation cotton layer 43; The first heat-preservation cotton layer 43 is in innermost layer around the waist of fusion crucible 5, described yoke 42 be centered around line-frequency induction coil 41 about and upside and being provided in together on the first heat-preservation cotton layer 43.
Line-frequency induction coil 41 and the yoke 42 that is fitted on the first heat-preservation cotton layer 43 of the present invention is shaped on two groups, is provided with dividing plate 44, the first calandrias 3 between two groups and is arranged on the end that fusion crucible 5 is shaped on charging aperture, and be installed in the interior week of adiabator layer 2.First calandria 3 can heat for the first time the magnesium alloy ingot that adds fusion crucible 5 urge molten.Body of heater shell 1 is answered horizontal positioned, guarantee the magnesium alloy flow of solution to, corresponding fusion crucible 5 and line-frequency induction coil 41 horizontal positioned, fusion crucible 5 is designed to have the cylindrical structural that opening makes progress.It is big that cylindrical structural has a volume, side face homogeneous heating, advantage such as easy to assembly.Fluid horizontal tube 71 optimum positions are to be fitted in apart from fusion crucible 5 bottoms 1/3rd highly to locate, and magnesium alloy electromagnetic pump 8 relies on external controller, regulate running speed by regulating the input current size, realize the control to magnesium alloy melt discharge.
The present invention is after magnesium alloy fusing, is installed in the horizontal tube 71 of fusion crucible 5 one ends to be full of the magnesium metal liquid, also is full of metal liquid in magnesium alloy electromagnetic pump 8 bodies simultaneously.When electromagnetic pump 8 energisings, the magnesium metal liquid can flow out from metal woven hose 72, because magnesium metal liquid abrim all the time in horizontal tube 71 and the magnesium alloy electromagnetic pump 8, so horizontal tube 71 can be because of long-time use, and cause the accumulation of burning cortex and stop up horizontal tube 71 and electromagnetic pump intracavity pipeline, simultaneously, because the discharging opening of metal woven hose 72 is very near apart from die casting machine cup distance, can when the magnesium metal liquid enters the die casting machine cup, not produce and excessively wash away and turbulent flow, cause the defective that burning is serious and the inner bits content of foundry goods increases.
Operation principle of the present invention is: after 41 energisings of line-frequency induction coil, line-frequency induction coil 41 produces induced-current heat fused crucible 5 in fusion crucible 5, simultaneously, first calandria 3 of energising also will heat in the fusion crucible 5 one end furnace chambers, meanwhile, second calandria 61 of energising is with metal woven hose 72, horizontal tube 71 heating.When temperature reaches the magnesium alloy fusion temperature, just can control the discharge of magnesium alloy melt by the size of current of control magnesium alloy electromagnetic pump 8, thereby reach the purpose of quantitative cast, the magnesium alloy melt enters the die casting machine cup through discharge nozzle and carries out die casting production.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (8)
1. magnesium alloy electromagnetic pump quantitative casting furnace, comprise the body of heater shell (1) that is installed on the base of furnace body (9), the internal perisporium of described body of heater shell (1) is fitted with furnace insulation material layer (2) and first calandria (3), be provided with fusion crucible (5) in the inner chamber of body of heater shell (1), it is characterized in that: an end of described fusion crucible (5) is shaped on the charging aperture that opening makes progress, and charging aperture is equipped with bell (51), the waist of described fusion crucible (5) is wrapped up in to overlap to enclose and is surrounded by the line-frequency induction heating component, the other end of described fusion crucible (5) is connected with fluid horizontal tube (71) near the bottom, and horizontal tube (71) connects the magnesium alloy electromagnetic pump (8) of being furnished with control magnesium alloy melt discharge, magnesium alloy electromagnetic pump (8) is connected with metal woven hose (72), described horizontal tube (71), be provided with the heat tracing structure around magnesium alloy electromagnetic pump (8) and the metal woven hose (72).
2. magnesium alloy electromagnetic pump quantitative casting furnace according to claim 1 is characterized in that: described heat tracing structure comprises second calandria (61) and the second heat-preservation cotton layer (62); Described second calandria (61) is provided in the interior week of the second heat-preservation cotton layer (62).
3. magnesium alloy electromagnetic pump quantitative casting furnace according to claim 2 is characterized in that: described line-frequency induction heating component comprises line-frequency induction coil (41), yoke (42) and the first heat-preservation cotton layer (43); The described first heat-preservation cotton layer (43) is in innermost layer around the waist of fusion crucible (5), described yoke (42) be centered around line-frequency induction coil (41) about and upside and being provided in together on the first heat-preservation cotton layer (43).
4. magnesium alloy electromagnetic pump quantitative casting furnace according to claim 3 is characterized in that: described yoke (42) is shaped on two groups with line-frequency induction coil (41), and is provided with dividing plate (44) between two groups.
5. magnesium alloy electromagnetic pump quantitative casting furnace according to claim 4 is characterized in that: described first calandria (3) is arranged on the end that fusion crucible (5) is shaped on charging aperture, and is installed in the interior week of adiabator layer (2).
6. magnesium alloy electromagnetic pump quantitative casting furnace according to claim 5, it is characterized in that: described body of heater shell (1) horizontal positioned, corresponding fusion crucible (5) and line-frequency induction coil (41) horizontal positioned, fusion crucible (5) is for having the cylindrical structural that opening makes progress.
7. magnesium alloy electromagnetic pump quantitative casting furnace according to claim 6 is characterized in that: the described fluid horizontal tube (71) that connects near fusion crucible (5) bottom is fitted in apart from fusion crucible (5) bottom 1/3rd highly place.
8. magnesium alloy electromagnetic pump quantitative casting furnace according to claim 7, it is characterized in that: described magnesium alloy electromagnetic pump (8) is circumscribed with can regulate its input current size, and restraining magnesium alloy electromagnetic pump (8) running speed is with the controller of control magnesium alloy melt discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010273984 CN101927333A (en) | 2010-09-02 | 2010-09-02 | Magnesium alloy electromagnetic pump quantitative casting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010273984 CN101927333A (en) | 2010-09-02 | 2010-09-02 | Magnesium alloy electromagnetic pump quantitative casting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101927333A true CN101927333A (en) | 2010-12-29 |
Family
ID=43366914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010273984 Pending CN101927333A (en) | 2010-09-02 | 2010-09-02 | Magnesium alloy electromagnetic pump quantitative casting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101927333A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601347A (en) * | 2012-04-27 | 2012-07-25 | 重庆大学 | Casting device and method of coated magnesium alloy casting by using in-mould spraying method |
| CN102601346A (en) * | 2012-04-25 | 2012-07-25 | 重庆大学 | Casting device and casting method of coated foam magnesium alloy casting |
| CN102601345A (en) * | 2012-04-11 | 2012-07-25 | 重庆大学 | Device and method for casting coated magnesium alloy castings |
| CN104019671A (en) * | 2014-05-16 | 2014-09-03 | 铜陵和武机械制造有限责任公司 | Forging heating furnace |
| CN104060052A (en) * | 2014-07-08 | 2014-09-24 | 苏州振吴电炉有限公司 | Automatic air-pressure pouring electric furnace with induction vacuum refining-degassing function |
| CN104801693A (en) * | 2015-04-17 | 2015-07-29 | 石家庄爱迪尔电气有限公司 | Constant-volume casting system of electromagnetic pump |
| CN105149550A (en) * | 2015-09-23 | 2015-12-16 | 东莞市宏幸工业炉制造有限公司 | Automatic magnesium alloy quantifying furnace |
| CN105195711A (en) * | 2015-10-20 | 2015-12-30 | 无锡格莱德科技有限公司 | Die-casting dosage precisely-controlled die-casting machine |
| CN106623847A (en) * | 2016-10-17 | 2017-05-10 | 滁州市银田科技有限公司 | Universal type refrigerator hinge die-casting mould |
| CN108716855A (en) * | 2018-08-06 | 2018-10-30 | 江西宏幸智能制造科技有限公司 | A kind of magnesium alloy automatic ration regenerative gas stove |
| CN111889651A (en) * | 2020-07-02 | 2020-11-06 | 蚌埠正峰电子科技有限公司 | High-low pressure fixing and forming system of electromagnetic pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08164459A (en) * | 1994-12-13 | 1996-06-25 | Nikko Kinzoku Kk | Method for automatically controlling pouring of molten metal in pressure molten metal pouring furnace |
| CN1255768A (en) * | 1999-11-17 | 2000-06-07 | 华北工学院 | Planar DC electromgnetic pump for casting of Al-alloy |
| CN201089010Y (en) * | 2007-09-21 | 2008-07-23 | 许小忠 | Magnesium alloy quantitative casting furnace |
| CN201799594U (en) * | 2010-09-02 | 2011-04-20 | 许小忠 | Quantitative casting furnace for magnesium alloy electromagnetic pump |
-
2010
- 2010-09-02 CN CN 201010273984 patent/CN101927333A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08164459A (en) * | 1994-12-13 | 1996-06-25 | Nikko Kinzoku Kk | Method for automatically controlling pouring of molten metal in pressure molten metal pouring furnace |
| CN1255768A (en) * | 1999-11-17 | 2000-06-07 | 华北工学院 | Planar DC electromgnetic pump for casting of Al-alloy |
| CN201089010Y (en) * | 2007-09-21 | 2008-07-23 | 许小忠 | Magnesium alloy quantitative casting furnace |
| CN201799594U (en) * | 2010-09-02 | 2011-04-20 | 许小忠 | Quantitative casting furnace for magnesium alloy electromagnetic pump |
Non-Patent Citations (1)
| Title |
|---|
| 《铸造》 20070731 徐宏等 铝合金挤压铸造电磁定量浇注技术 第735-738页 第56卷, 第7期 2 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601345A (en) * | 2012-04-11 | 2012-07-25 | 重庆大学 | Device and method for casting coated magnesium alloy castings |
| CN102601346A (en) * | 2012-04-25 | 2012-07-25 | 重庆大学 | Casting device and casting method of coated foam magnesium alloy casting |
| CN102601347A (en) * | 2012-04-27 | 2012-07-25 | 重庆大学 | Casting device and method of coated magnesium alloy casting by using in-mould spraying method |
| CN102601347B (en) * | 2012-04-27 | 2014-04-23 | 重庆大学 | Casting device and method of coated magnesium alloy casting by using in-mould spraying method |
| CN104019671A (en) * | 2014-05-16 | 2014-09-03 | 铜陵和武机械制造有限责任公司 | Forging heating furnace |
| CN104060052A (en) * | 2014-07-08 | 2014-09-24 | 苏州振吴电炉有限公司 | Automatic air-pressure pouring electric furnace with induction vacuum refining-degassing function |
| CN104801693A (en) * | 2015-04-17 | 2015-07-29 | 石家庄爱迪尔电气有限公司 | Constant-volume casting system of electromagnetic pump |
| CN105149550A (en) * | 2015-09-23 | 2015-12-16 | 东莞市宏幸工业炉制造有限公司 | Automatic magnesium alloy quantifying furnace |
| CN105149550B (en) * | 2015-09-23 | 2018-04-13 | 东莞市宏幸工业炉制造有限公司 | A kind of magnesium alloy automatic ration stove |
| CN105195711A (en) * | 2015-10-20 | 2015-12-30 | 无锡格莱德科技有限公司 | Die-casting dosage precisely-controlled die-casting machine |
| CN106623847A (en) * | 2016-10-17 | 2017-05-10 | 滁州市银田科技有限公司 | Universal type refrigerator hinge die-casting mould |
| CN108716855A (en) * | 2018-08-06 | 2018-10-30 | 江西宏幸智能制造科技有限公司 | A kind of magnesium alloy automatic ration regenerative gas stove |
| CN111889651A (en) * | 2020-07-02 | 2020-11-06 | 蚌埠正峰电子科技有限公司 | High-low pressure fixing and forming system of electromagnetic pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101927333A (en) | Magnesium alloy electromagnetic pump quantitative casting furnace | |
| CN201799594U (en) | Quantitative casting furnace for magnesium alloy electromagnetic pump | |
| CN206622605U (en) | A kind of three machines three stream slab CC tundish | |
| CN103170596A (en) | Multipurpose vacuum casting device | |
| CN106077494B (en) | A kind of pouring procedure casting VHP main beating cap | |
| CN108176844A (en) | A kind of device and method for clearing up tundish upper nozzle dross object | |
| CN201791950U (en) | Low-pressure filling and high-pressure solidifying molding system for magnesium alloy hub electromagnetic pump | |
| CN101934363B (en) | Lower-pressure casting type high-pressure solidification molding system by using magnesium alloy hub electromagnetic pump | |
| CN105290362B (en) | Smelting furnace and the automatic casting system of die casting machine streamline | |
| CN201089010Y (en) | Magnesium alloy quantitative casting furnace | |
| CN106513648A (en) | Aluminum alloy furnace | |
| CN203695891U (en) | Continuous production system for amorphous ribbons | |
| CN102773468A (en) | Heat-preservation quantitative casting furnace for aluminum liquid | |
| CN102849920B (en) | Optical glass melting method and optical glass melting device used for method | |
| CN208758604U (en) | A kind of multithread square billet induction heating tundish | |
| CN108080591B (en) | Amorphous strip integrated spray belt package and package manufacturing method thereof | |
| CN104567367B (en) | Dual power supply rising pouring centrifugal vacuum induction fusion casting stove | |
| CN208408476U (en) | Pouring basin and the device for being used to prepare heat-resisting steel casting | |
| CN108393450A (en) | Device and method for feeding steel strip to tundish | |
| CN102292175B (en) | Continuous melt supply system for metal casting | |
| CN106424633A (en) | Metal forming equipment as well as smelting furnace and smelting device thereof | |
| CN106834762B (en) | A kind of vacuum melting device of intermetallic Ni-Al compound | |
| CN106270442A (en) | Apparatus of metal molding | |
| CN214349609U (en) | Leakage bag heat preservation device for jet deposition | |
| CN102650499A (en) | Material taking device of high temperature reaction furnace |
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: 20101229 |