CN102389761B - Reaction device for microwave induced solution combustion synthesis - Google Patents
Reaction device for microwave induced solution combustion synthesis Download PDFInfo
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- CN102389761B CN102389761B CN201110299467.7A CN201110299467A CN102389761B CN 102389761 B CN102389761 B CN 102389761B CN 201110299467 A CN201110299467 A CN 201110299467A CN 102389761 B CN102389761 B CN 102389761B
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Abstract
The invention discloses a reaction device for microwave induced solution combustion synthesis, which consists of a microwave oven, an upper part of a reaction container cavity, a lower part of the reaction container cavity, a fixing device, a lifting support platform and a reaction container, wherein the middle of the upper part of the cavity of the microwave oven is opened, the rear side of the cavity of the microwave oven is provided with a microwave source, the front side of the cavity of the microwave oven is provided with an openable door, and the lifting support platform is positioned at the internal bottom of the cavity of the microwave oven; the top of the upper part of the reaction container cavity is neck-like, the size of the top of the upper part of the reaction container cavity is matched with the opening in the middle of the upper part of the cavity of the microwave oven, the upper part of the reaction container cavity has an upward opening which passes through the opening in the middle of the upper part of the cavity of the microwave oven to be clamped on the upper part of the cavity of the microwave oven and fixed at the position of the opening in the middle of the upper part of the cavity of the microwave; and the lower part of the reaction container cavity is placed on a lifting support platform, and a reaction container is positioned in the cavity in the lower part of the reaction container cavity. When the reaction device is used, the corrosion of gases generated by combustion to the cavity of the microwave oven and the like is avoided, and the service life of the microwave oven is prolonged; and thus, a reaction device which is simple, safe and reliable is provided.
Description
Technical field
The present invention relates to the synthetic reaction unit of a kind of microwave induced solution combustion.
Technical background
Microwave irradiation heating, because of its homogeneous heating, can significantly improve chemical reaction rate, improves the performance etc. that reaction generates product, and therefore, microwave irradiation heating is at chemical reaction with material is synthetic etc. that field is widely used.Solution combustion synthetic method is that a kind of oxidant based in solution (is mainly nitrate, also can be perchlorate) and fuel (comprise that organic matter has carboxylic acid, carboxylate, urea and hydrazine class itrogenous organic substance etc.) between the new method of the self-propagating combustion Reaction Synthesis Materials being caused by heat or microwave low temperature, but using common micro-wave oven to carry out microwave induced solution combustion synthesizes, ignite and can in microwave oven cavity, produce and there is in a large number corrosive gas and steam with combustion process, rapid corrosion microwave furnace cavity not only, also can diffuse into the electronic component part of micro-wave oven, heavy corrosion electronic component, cause short circuit, cause the use of microwave ovens life-span very short, experimental cost is very high, experiment progress can be greatly affected.
Summary of the invention
The invention provides a kind of making and do not contact with microwave oven cavity at the microwave gas producing with solution combustion process that ignites, be directly discharged to high microwave utilization rate and the high temperature resistant reaction unit of micro-wave oven outside.
Of the present invention the adopted technical scheme of dealing with problems is.
The present invention is by micro-wave oven (A), and reaction vessel cavity top (B), reaction vessel cavity bottom (C), fixture (F), lifting support platform (D) and reaction vessel (E) form.Micro-wave oven (A) cavity top middle opening, after be provided with microwave source (G), before be provided with the door of switch, lifting support platform (D) is placed in micro-wave oven (A) cavity inner bottom part; The upper part on reaction vessel cavity top (B) is neck shape, its size adapts with micro-wave oven (A) cavity top middle opening, and there is an opening being open upwards, it snaps in micro-wave oven (A) cavity top through micro-wave oven (A) cavity top middle opening, and by fixture (F), is fixed in the top central closing of micro-wave oven (A); It is upper that reaction vessel cavity bottom (C) is placed in lifting support platform (D), and reaction vessel (E) is placed in the cavity of reaction vessel cavity bottom (C); After lifting support platform (D) rises, a whole reaction vessel cavity of the closed formation in reaction vessel cavity top (B) and reaction vessel cavity bottom (E).
Its cross section of reaction vessel cavity of the present invention can be square, also can be circular.The cross section on reaction vessel cavity top (B) is completely corresponding with the shape of cross section of reaction vessel cavity bottom (C), and both connect with joinery and its construction.
Reaction vessel cavity of the present invention material used is not only complete transmission microwave but also resistant to elevated temperatures aluminium oxide or quartz or glass or pottery.
Reaction vessel cavity of the present invention top (B) passes the part of micro-wave oven (A) cavity top middle opening, and coated with micro-wave screening material, its opening being open upwards is covered with micro-wave screening wire netting.
Wire netting or thin slice that micro-wave screening material of the present invention is microwave reflection.
Roller can be established in the bottom of lifting support platform of the present invention (D), to facilitate, lifting support platform (D) is pushed in micro-wave oven (A) cavity.
Reaction vessel of the present invention (E) is the ceramics such as glass or quartz or aluminium oxide.
Lifting support platform material therefor of the present invention can be stainless steel.
The invention provides the reaction cavity transmission microwave of device, high temperature resistant, anticorrosion, can make microwave cause the corrosive gas that solution combustion course of reaction produces, do not contact with microwave oven cavity, directly discharge outside micro-wave oven, avoided the corrosion to microwave oven cavity and electronic component part of gas that combustion reaction produces, greatly extended the use of microwave ovens life-span, a kind of simple, safe and reliable reaction unit is provided for microwave induced solution combustion is synthetic.
Accompanying drawing explanation
Fig. 1 is the structural representation of reaction unit of the present invention.Wherein, A is micro-wave oven, and B is reaction vessel cavity top, and C is reaction vessel cavity bottom, and D is lifting support platform, and F is fixture, and E is reaction vessel, and G is microwave source.
Fig. 2 is the structural representation of the top of reaction unit reaction vessel cavity shown in Fig. 1 of the present invention when separated with reaction vessel cavity bottom.Wherein, A is micro-wave oven, and B is reaction vessel cavity top, and C is reaction vessel cavity bottom, and D is lifting support platform, and F is fixture, and E is reaction vessel, and G is microwave source.
Schematic diagram when Fig. 3 is its cross section of reaction vessel cavity for square.Fig. 3 (1) is reaction vessel cavity top front view, and 1 is micro-wave screening wire netting, and 2 is the neck on reaction vessel cavity top; Fig. 3 (2) is the top view on reaction vessel cavity top.
Fig. 4 is that hoistable platform is the schematic diagram that square is.The front view that Fig. 4 (1) is hoistable platform, the side view that Fig. 4 (2) is hoistable platform.Wherein 3 and 9 is the screw that can slide, and 12 is chute, and 4 and 10 is fixing screw, and 11 is hand screw, and 5,6,7 and 8 is the pin that can freely rotate.
The specific embodiment
The present invention will be described further by following examples.
By accompanying drawing 1, install reaction unit, before reaction starts, unclamp hand screw 11, screw 3 and 9 slides left simultaneously, lifting platform declines, take out container E, then the container E that installs reactant is put into reaction vessel cavity bottom C, then reaction vessel cavity bottom C is put on lifting support platform D, screw 3 and 9 slides into the right after certain position simultaneously, and corresponding lifting support platform is also raised to a certain position, after being raised to needed position, hand screw 11 is tightened fixing, lifting support platform just can be fixed on this position.The joint situation of detection reaction container cavity top B and reaction vessel cavity bottom C, makes it to engage closely, then opens micro-wave oven, and microwave induced solution combustion reaction just can start.
Claims (6)
1. the reaction unit that microwave induced solution combustion is synthetic, it is characterized in that by micro-wave oven (A), reaction vessel cavity top (B), reaction vessel cavity bottom (C), fixture (F), lifting support platform (D) and reaction vessel (E) form; Micro-wave oven (A) cavity top middle opening, after be provided with microwave source (G), before be provided with the door of switch, lifting support platform (D) is placed in micro-wave oven (A) cavity inner bottom part; The upper part on reaction vessel cavity top (B) is neck shape, its size adapts with micro-wave oven (A) cavity top middle opening, and there is an opening being open upwards, it snaps in micro-wave oven (A) cavity top through micro-wave oven (A) cavity top middle opening, and by fixture (F), is fixed in the top central closing of micro-wave oven (A); It is upper that reaction vessel cavity bottom (C) is placed in lifting support platform (D), and reaction vessel (E) is placed in the cavity of reaction vessel cavity bottom (C); After lifting support platform (D) rises, a whole reaction vessel cavity of the closed formation in reaction vessel cavity top (B) and reaction vessel cavity bottom (E).
2. the synthetic reaction unit of microwave induced solution combustion according to claim 1, is characterized in that described its cross section of reaction vessel cavity is square or circular.
3. the synthetic reaction unit of microwave induced solution combustion according to claim 1, the cross section that it is characterized in that reaction vessel cavity top (B) and reaction vessel cavity bottom (C) are connected for joinery and its construction.
4. the synthetic reaction unit of microwave induced solution combustion according to claim 1, is characterized in that roller is established in the bottom of described lifting support platform (D).
5. the synthetic reaction unit of microwave induced solution combustion according to claim 1, is characterized in that described reaction vessel cavity material therefor is aluminium oxide, quartz.
6. the synthetic reaction unit of microwave induced solution combustion according to claim 1, it is characterized in that reaction vessel cavity top (B) passes the part of micro-wave oven (A) cavity top middle opening, coated with micro-wave screening material, its opening being open upwards is covered with micro-wave screening wire netting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110299467.7A CN102389761B (en) | 2011-10-09 | 2011-10-09 | Reaction device for microwave induced solution combustion synthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110299467.7A CN102389761B (en) | 2011-10-09 | 2011-10-09 | Reaction device for microwave induced solution combustion synthesis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102389761A CN102389761A (en) | 2012-03-28 |
| CN102389761B true CN102389761B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110299467.7A Expired - Fee Related CN102389761B (en) | 2011-10-09 | 2011-10-09 | Reaction device for microwave induced solution combustion synthesis |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114477247A (en) * | 2022-03-31 | 2022-05-13 | 郑州大学 | Method for synthesizing nano magnesium oxide by microwave induced combustion |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7055802B1 (en) * | 2002-05-14 | 2006-06-06 | Whirlpool Corporation | Appliance lift tool |
| CN2735202Y (en) * | 2002-07-02 | 2005-10-19 | 梁栋 | Tray liftable microwave oven |
| CN201692807U (en) * | 2010-04-02 | 2011-01-05 | 唐万红 | High-capacity microwave chemical reactor |
| CN201921682U (en) * | 2011-01-21 | 2011-08-10 | 济南大学 | Modified microwave synthesis device |
| CN202290029U (en) * | 2011-10-09 | 2012-07-04 | 南昌大学 | Reaction device for microwave induced solution combustion synthesis |
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Granted publication date: 20140409 Termination date: 20171009 |