CN203653681U - Multifunctional self-propagating reaction device - Google Patents
Multifunctional self-propagating reaction device Download PDFInfo
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- CN203653681U CN203653681U CN201320531630.2U CN201320531630U CN203653681U CN 203653681 U CN203653681 U CN 203653681U CN 201320531630 U CN201320531630 U CN 201320531630U CN 203653681 U CN203653681 U CN 203653681U
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Abstract
The utility model discloses a multifunctional self-propagating reaction device and relates to the multifunctional self-propagating reaction device particularly used for producing products which are high in density and have few holes. The multifunctional self-propagating reaction device comprises a furnace body bracket (1), a housing (2) and a furnace lid (3), wherein the housing (2) is arranged on the bracket (1); the furnace lid (3) covers the housing (2); the multifunctional self-propagating reaction device is characterized in that the housing (2) consists of an outer-layer furnace wall (4), a thermal insulation layer (5) and an inner-layer pressure-resistant furnace wall (6); a base (14) is arranged on the bottom in the housing (2); a movable type reaction kettle (13) is arranged on the base (14); a slide block (29) is arranged in the movable type reaction kettle (13); a hydraulic device (10) is arranged in the upper part of the movable type reaction kettle (13); a second sealing ring (28) is arranged between the hydraulic device (10) and the wall of the movable type reaction kettle (13); and the hydraulic device (10) applies pressure on the slide block (29). The a multifunctional self-propagating reaction device has the main advantages as follows: firstly, an SHS (Self-propagating High-Temperature Synthesis) process and a dynamic quick pressurizing process are organically combined, so that synthesis and compactness of materials are completed at one time, and material compactness is improved to a certain extent; and secondly, an atmosphere device is arranged, so that needs of preparing materials under different protective gases can be satisfied.
Description
Technical field
The present invention relates to a kind of multi-functional self-propagating reaction device, be used in particular for production density high, be the product that hole is few.
Background technology
Self propagating high temperature synthesizes (Self-propagating High-temperature Synthesis, SHS) technology claims again burning synthetic, that a kind of material being proposed by Russian scientist Merzhanov synthesizes and new preparation technology, it utilizes large calorimetric that combination reaction is emitted to maintain the carrying out of id reaction, thereby obtain and there is the product of specifying composition and structure, this technology, because resultant velocity is fast, temperature is high, equipment is simple, less energy consumption, advantage that efficiency is high, has become extensively a kind of fabrication of new materials technology of attention of modern science and industrial technology field.
SHS technology is very extensive in industrial application, particularly, aspect the preparation of infusible compound, also has broad application prospects at high-tech and field of Environment Protection.Up to now, the novel material that adopts SHS technique to prepare has related to many fields such as carbide, nitride, boride, oxide compound and composite oxides, superconductor, alloy, has driven generation and the development of corresponding various type material preparation and fabrication technology.Adopt the standby ceramic-lined steel pipe of SHS legal system with its good wear-resisting, anti-corrosion, resistance to elevated temperatures and excellent anti-mechanical shock, thermal shock resistance, product weight gently, resistance to collide with, price is low etc., and advantage is also widely applied in many engineerings, be several times tens times of existing tubing work-ing life.
Although self propagating high temperature synthetic technology is being widely used aspect the modification of material, aspect the ratio of performance to price, there is superiority, but existing self-propagating reaction device is without impressed pressure, the time that material at high temperature keeps is very short starts coolingly rapidly, and intergranular mass transfer diffusion is suppressed.In addition, combustion wave front is attended by the generation of gas during by reactive material, make material internal retain the passage of gas effusion or the pore of sealing, significantly reduce density and the use properties of material, thereby cause product to be often porous, loose shape, density is only 50-60%, cannot use as structural part, cannot be adapted to simultaneously anticorrosion, wear-resisting, every the requirement of different environments for use such as holding.Can not meet social needs.
Utility model content
A kind of multi-functional self-propagating reaction device of design that the order of the utility model content is, lower to overcome the product density of prior art, be the defect of porous, loose shape.
A kind of multi-functional self-propagating reaction device, comprises furnace body support, housing and bell, and housing is positioned on support, and case top lid has bell, it is characterized in that: housing is made up of the withstand voltage furnace wall of outer furnace wall, thermal insulation layer and internal layer; Housing inner bottom part is provided with base, packaged type reactor is installed on base, in packaged type reactor, has slide block, in packaged type reactor top, hydraulic efficiency plant is installed, between the wall of hydraulic efficiency plant and packaged type reactor, have the second sealing-ring, hydraulic efficiency plant has pressure-acting at slide block; Packaged type reactor, through the through hole at bell center, is also connected with electrode ignition device, thermocouple temperature measuring apparatus and atmosphere device on the wall of packaged type reactor; On the wall of packaged type reactor, leave the thermopair contact opening of thermocouple temperature measuring apparatus and the electrode access port of electrode ignition device, atmosphere device has gas pipeline to pass in housing; Housing control portfire, hydraulic efficiency plant, thermocouple temperature measuring apparatus and atmosphere device; Space in housing outside packaged type reactor is covered with river sand.
Described housing is contained in shielding.
There is the first sealing-ring the outer ring, lower end of described bell, and the lower end of housing upper surface and bell is tightly connected, and the upper surface of bell is furnished with multiple sealing knobs around; Between the through hole at packaged type reactor and bell center, there is sealing-ring.
In the combustion processes of making product, can obtain according to thermocouple temperature measuring apparatus the temperature of reaction curve of material preparation process, thermocouple temperature measurement scope is 0 DEG C～2300 DEG C.
Described atmosphere device passes into shielding gas or/and go back atmosphere originality hydrogen body as required in housing, and its flow is 0～3000mL/min, and protection gas is nitrogen, argon gas, carbonic acid gas, and reducing gas is hydrogen.
Major advantage of the present utility model: 1. SHS process and dynamic Quick-pressing process are organically combined, the synthetic and densification of the disposable material completing, improves material density to a certain extent; 2. with atmosphere device, can meet the needs of preparing material under difference protection gas; 3. there is thermocouple temperature measuring apparatus, can reach real time reaction temperature variation curve; 4. whole process completes according to designated program control by computer, realizes automatization highly, visual, has greatly improved processing safety; 5. this device has anti-radiation device, can meet the preparation with radio active material; 6. can, according to the needs of prepared material, customize different moulds, greatly expand the range of application of this equipment; 7. can be as required, different soaking times is set, the mass transfer diffusion between enhanced granule; Can prepare various different sizes, difform material, be widely used in the industry such as material, solidification of waste, have broad application prospects.
Brief description of the drawings
Figure l, the utility model structural representation.
In figure: 1 is support, 2 is housing, and 3 is bell, and 4 is outer furnace wall, 5 is thermal insulation layer, and 6 is the withstand voltage furnace wall of internal layer, and 7 is sealing knob, and 8 is the first sealing-ring, 9 is electrode ignition device, and 10 is hydraulic efficiency plant, and 11 is thermocouple temperature measuring apparatus, and 12 is atmosphere device, 13 is packaged type reactor, and 14 is base, and 15 is thermopair contact opening, and 16 is electrode access port, l7 is river sand, and l8 is housing, and 19 is shielding, 20 is product, and 28 is the second sealing-ring, and 29 is slide block.
Embodiment
A kind of multi-functional self-propagating reaction device, comprises furnace body support l, housing 2 and bell 3, and housing 2 is positioned on support 1, is stamped bell 3 on housing 2, it is characterized in that: housing 2 is made up of the withstand voltage furnace wall 6 of outer furnace wall 4, thermal insulation layer 5 and internal layer; Housing 2 inner bottom parts are provided with base 14, packaged type reactor 13 is installed on base 14, in packaged type reactor 13, there is slide block 29, in packaged type reactor l3 top, hydraulic efficiency plant 10 is installed, between the wall of hydraulic efficiency plant 10 and packaged type reactor 13, have the second sealing-ring 28, hydraulic efficiency plant 10 has pressure-acting at slide block 29; Packaged type reactor 13, through the through hole at bell 3 centers, is also connected with electrode ignition device 9, thermocouple temperature measuring apparatus 11 and atmosphere device 12 on the wall of packaged type reactor 13; On the wall of packaged type reactor 13, leave the thermopair contact opening 15 of thermocouple temperature measuring apparatus 11 and the electrode access port 16 of electrode ignition device 9, atmosphere device 12 has gas pipeline to pass in housing 2; Housing 18 is controlled portfire 9, hydraulic efficiency plant 10, thermocouple temperature measuring apparatus 11 and atmosphere device 12; Space in housing 2 outside packaged type reactor 13 is covered with river sand 17.
Described housing 2 is contained in shielding 19.
There is the first sealing-ring 8 outer ring, lower end of described bell 3, and the lower end of housing 2 upper surfaces and bell 3 is tightly connected, and the upper surface of bell 3 is furnished with multiple sealing knobs 7 around; Between the through hole at packaged type reactor 13 and bell 3 centers, there is sealing-ring.
In the combustion processes of making product, can obtain according to thermocouple temperature measuring apparatus the temperature of reaction curve of material preparation process, thermocouple temperature measurement scope is 0 DEG C～2300 DEG C.
Described atmosphere device 12 passes into shielding gas or/and go back atmosphere originality hydrogen body as required in housing 2, and its flow is 0～3000mL/min, and protection gas is nitrogen, argon gas, carbonic acid gas, and reducing gas is hydrogen.
Several embodiment of the present utility model is as follows.
Embodiment 1: reaction cavity is designed to cylindrical, stove inside dimension is Φ 30cm × 40cm, and outer furnace wall is the iron sheet that 1mm is thick, and thermal insulation layer is the aluminum oxide that 1cm is thick, and internal layer furnace wall is the steel that 2cm is thick.Bell is designed to removable cover, and the surrounding of lid is furnished with sealing knob, and is added with sealing-ring between itself and body of heater and slide block; On housing, be provided with tungsten filament electrode portfire, hydraulic efficiency plant, Wolfram rhenium heat electric couple temperature measuring equipment (being limited to 2300 DEG C on thermometric) and nitrogen atmosphere system (external N
2steel cylinder); The packaged type reactor being placed in housing is placed on base, and thermopair contact opening and electrode access port are left in reactor surface, and space in housing is covered with river sand; Igniting, pressure-controlling, temperature test and the atmosphere of whole system are by housing control.
Embodiment 2: reaction cavity is designed to rectangular parallelepiped, and stove inside dimension is 24cm × 25cm × 40cm, and outer furnace wall is the iron sheet that 0.5mm is thick, and thermal insulation layer is the aluminum oxide that 1.5cm is thick, and internal layer furnace wall is the steel that 2cm is thick.Bell is designed to removable cover, and the surrounding of lid is furnished with sealing knob, and is added with sealing-ring between itself and body of heater and slide block; On housing, be provided with tungsten filament electrode portfire, hydraulic efficiency plant, Wolfram rhenium heat electric couple temperature measuring equipment (being limited to 2300 DEG C on thermometric) and atmosphere system and (can meet N outward
2, the steel cylinder such as Ar); The packaged type reactor being placed in housing is placed on base, and thermopair contact opening and electrode access port are left in reactor surface, and sky in housing is asked and is covered with river sand; Igniting, pressure-controlling, temperature test and the atmosphere of whole system are by housing control; And add thickness in whole reaction unit outside be that the stereotype of 10cm is as anti-α, p and gamma Rays safeguard system.
A kind of multi-functional self-propagating reaction device, comprises furnace body support 1, housing 2 and bell 3, it is characterized in that: its housing is made up of the withstand voltage furnace wall 6 of outer furnace wall 4, thermal insulation layer 5 and internal layer; Its bell is removable cover, and the surrounding of lid is furnished with sealing knob 7, between raised path between farm fields portable reaction still 13 and hydraulic efficiency plant 10, is added with sealing-ring 8; On its housing, be also provided with electrode ignition device 9, hydraulic efficiency plant 10, thermocouple temperature measuring apparatus 11 and atmosphere device 12; The packaged type reactor 13 being placed in housing is placed on base 14, and thermopair contact opening 15 and electrode access port 16 are left in reactor surface, and space in housing is covered with river sand 17; Igniting, pressure-controlling, temperature test and the atmosphere of whole system are by housing control 18; Whole reaction unit outside adds anti-α, β and gamma Rays system 19.
Be made up of metallic substance high temperature resistant, high pressure its internal layer furnace wall, furnace wall thickness 5～30mm; Bell adopts metallic substance high temperature resistant, high pressure to make, and thickness is 5～35mm; Shell has metal to make, thickness 1～10mm.
Its stove is not designed to rectangular parallelepiped, cubes or right cylinder, and the internal volume that whole stove is stopped is 0.001～60m, and length, width and height are respectively 0.1～5m, 0.1～4m, 0.1～3m.
The surrounding of bell is furnished with 4～16 sealing knobs, and is added with the sealing-ring that thickness is 0.5～20mm between itself and body of heater and pressure rod.
Current control precision is 0.1A, and voltage control precision is 0.1V, and ignition control temperature range is room temperature～2600 DEG C.
The pressurization scope of pressure assembly is 0～50MPa, ram travel 0～500mm, and large opening 500mm, slide block soon lower and opening speed is 0～60mm/s, working speed is 4～30mm/s.
Equipment work can be carried out under controlled atmosphere price modification, accessible Ar, N
2deng gas.
Igniting, pressure-controlling, temperature test and atmosphere are by housing control.By the control of housing, control, the response sample that can carry out 0～40A to striking current bears pressure and reaction atmosphere is controlled, and can accurately read the temperature of sample self-propagating reaction process by supervisory control desk.
Anti-α, β and gamma Rays system are made up of materials such as the lead of 5～200mm.
Concrete technical scheme of the present utility model: a kind of multi-functional self-propagating reaction device, comprise furnace body support 1, housing 2 and bell 3, it is characterized in that: its housing is made up of the withstand voltage furnace wall 6 of outer furnace wall 4, thermal insulation layer 5 and internal layer; Its bell is removable cover, and the surrounding of lid is furnished with sealing knob 7, and is added with sealing-ring 8 between itself and body of heater and slide block; On its housing, be also provided with electrode ignition device 9, hydraulic efficiency plant 10, thermocouple temperature measuring apparatus 11 and atmosphere system 12; The packaged type reactor 13 being placed in housing is placed on base 14, and thermopair contact opening 15 and electrode access port 16 are left in reactor surface, and space in housing is covered with river sand 17; Igniting, pressure-controlling, temperature test and the atmosphere of whole system are by housing control 18; Whole reaction unit outside adds anti-α, β and gamma-ray shielding 19.
The utility model is applicable to preparing the advanced material of many excellent propertys, comprises pottery, laminated material, gradient material etc.Through the sample of pre-treatment (mixing, refinement, moulding etc.), be powdery or bulk, be placed in the mould (can customize as required different moulds) of sealing.Regulate size of current by housing, after sample is ignited under the effect of electricimpulse and priming mixture, propagating combustion fast, in combustion processes, can obtain according to thermocouple temperature measuring apparatus the temperature of reaction curve of material preparation process, thermocouple temperature measurement scope is 0 DEG C～2300 DEG C, and measurement sensitivity is ± 0.5 DEG C, test material internal temperature.After burning finishes, immediately to synthetic product high-pressure (quasi-hot isostatic pressing), peak pressure can reach 30MPa as required, and the different dwell times can be set as required.At high temperature be incubated after certain hour, obtain closely knit bulk.In addition, in whole material preparation process, can also select as required to pass into shielding gas (reducing gas such as protective gas and hydrogen such as nitrogen, argon gas, carbonic acid gas), its flow is 0～3000mL/min.Whole process, from igniting, self propagating high temperature synthesize, exert pressure, pressurize is to unloading etc., synthetic according to designated program control by computer.
When use, sample is placed in closed mould, and computer program is set, and setting electric current increasing degree is 0.01～10A, pressurization 0～30MPa, and pressurize 0～3hrs, sample insulation 0～10hrs, closes/opens atmosphere system, closes/open thermocouple temperature measuring apparatus.After setting, working procedure.In the time that equipment is closed automatically, take out the material of preparing.
Claims (7)
1. a multi-functional self-propagating reaction device, comprise furnace body support (1), housing (2) and bell (3), housing (2) is positioned on support (1), on housing (2), be stamped bell (3), it is characterized in that: housing (2) is made up of outer furnace wall (4), thermal insulation layer (5) and the withstand voltage furnace wall of internal layer (6); Housing (2) inner bottom part is provided with base (14), packaged type reactor (13) is installed on base (14), in packaged type reactor (13), there is slide block (29), in packaged type reactor (13) top, hydraulic efficiency plant (10) is installed, between the wall of hydraulic efficiency plant (10) and packaged type reactor (13), have the second sealing-ring (28), hydraulic efficiency plant (10) has pressure-acting in slide block (29); Packaged type reactor (13), through the through hole at bell (3) center, is also connected with electrode ignition device (9), thermocouple temperature measuring apparatus (11) and atmosphere device (12) on the wall of packaged type reactor (13); On the wall of packaged type reactor (13), leave the thermopair contact opening (15) of thermocouple temperature measuring apparatus (11) and the electrode access port (16) of electrode ignition device (9), atmosphere device (12) has gas pipeline to pass in housing (2); Housing (18) is controlled portfire (9), hydraulic efficiency plant (10), thermocouple temperature measuring apparatus (11) and atmosphere device (12); Space in housing (2) outside packaged type reactor (13) is covered with river sand (17).
2. according to the multi-functional self-propagating reaction device of the one described in claim l, it is characterized in that, described housing (2) is contained in shielding (19).
3. the multi-functional self-propagating reaction device of one according to claim 1 and 2, it is characterized in that, there is the first sealing-ring (8) outer ring, lower end of described bell (3), the lower end of housing (2) upper surface and bell (3) is tightly connected, and the upper surface of bell (3) is furnished with multiple sealing knobs (7) around; Between the through hole at packaged type reactor (13) and bell (3) center, there is sealing-ring.
4. the multi-functional self-propagating reaction device of one according to claim 1 and 2, it is characterized in that, in the combustion processes of making product, can obtain according to thermocouple temperature measuring apparatus the temperature of reaction curve of material preparation process, thermocouple temperature measurement scope is 0 DEG C～2300 DEG C.
5. the multi-functional self-propagating reaction device of one according to claim 3, it is characterized in that, in the combustion processes of making product, can obtain according to thermocouple temperature measuring apparatus the temperature of reaction curve of material preparation process, thermocouple temperature measurement scope is 0 DEG C～2300 DEG C.
6. according to the multi-functional self-propagating reaction device of the one described in claim l or 2; it is characterized in that; described atmosphere device (12) passes into shielding gas or/and go back atmosphere originality hydrogen not as required in housing (2); its flow is 0～3000mL/min; protection gas is nitrogen, argon gas, carbonic acid gas, and reducing gas is hydrogen.
7. the multi-functional self-propagating reaction device of one according to claim 5; it is characterized in that; described atmosphere device (12) passes into guarantor's expansion gas not or/and go back atmosphere originality hydrogen body as required in housing (2); its flow is 0～3000mL/min; protection gas is nitrogen, argon gas, carbonic acid gas, and reducing gas is hydrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320531630.2U CN203653681U (en) | 2013-08-29 | 2013-08-29 | Multifunctional self-propagating reaction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320531630.2U CN203653681U (en) | 2013-08-29 | 2013-08-29 | Multifunctional self-propagating reaction device |
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| CN203653681U true CN203653681U (en) | 2014-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330517A (en) * | 2014-10-22 | 2015-02-04 | 中国石油化工股份有限公司 | Device for testing combustion risk grade of chemical substance |
-
2013
- 2013-08-29 CN CN201320531630.2U patent/CN203653681U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330517A (en) * | 2014-10-22 | 2015-02-04 | 中国石油化工股份有限公司 | Device for testing combustion risk grade of chemical substance |
| CN104330517B (en) * | 2014-10-22 | 2016-01-20 | 中国石油化工股份有限公司 | A kind of chemicals danger of combustion level estimate device |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20150829 |
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| EXPY | Termination of patent right or utility model |