CN203479032U - Intermittent microwave aluminum oxide powder calcining furnace - Google Patents
Intermittent microwave aluminum oxide powder calcining furnace Download PDFInfo
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- CN203479032U CN203479032U CN201320587579.7U CN201320587579U CN203479032U CN 203479032 U CN203479032 U CN 203479032U CN 201320587579 U CN201320587579 U CN 201320587579U CN 203479032 U CN203479032 U CN 203479032U
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Abstract
The utility model relates to microwave calcining equipment, in particular to an intermittent microwave aluminum oxide powder calcining furnace which mainly comprises a hexagon metal furnace body, a furnace body support, thermal insulation materials, a refractory material bearing device, a gas pumping and exhausting device, an atmosphere system, an in-furnace pressure system, a furnace door, a sealing strip, a locking device, microwave generation sources and a temperature measuring device, wherein the furnace body support bears the hexagon metal furnace body, a cooling water interlayer is arranged in the surface layer of the hexagon metal furnace body, the gas pumping and exhausting device is arranged at the upper end of the hexagon metal furnace body, the atmosphere system and the in-furnace pressure system are arranged at the lower end of the hexagon metal furnace body, a water temperature gauge is installed on the left side of the hexagon metal furnace body, and the microwave generation sources are installed on three sides of the hexagon metal furnace body. According to the intermittent microwave aluminum oxide powder calcining furnace, the technical defects that existing calcining equipment is long in calcining cycle and low in quality, deformation is caused due to inner and outer uneven heating temperatures, heat is transferred from outside to inside, the speed is low and heat efficiency is low are overcome, uniform heating can be achieved, energy consumption is low, energy can be saved by 70%, the reaction speed is high, the utilization rate of heat energy is high, and mechanical performance and purity of the materials are improved.
Description
Technical field
The utility model relates to a kind of microwave calcination equipment, especially a kind of intermittent type microwave alumina powder calcining furnace.
Background technology
Alumina powder calciner, is mainly to adopt electrical heating or heated by natural gas periodic kilns the kiln, principle of heating: thermal source is by heat radiation, and heat is conducted ecto-entad transmission, and speed is slow, and the thermal efficiency is low, and major part consumes in conductive process at present.According to the current alumina powder huge market demand, energy scarcity, alumina powder purity requirement is more and more higher, but for electrical heating or heated by natural gas calcined oxide aluminium powder equipment, calcinating consumption is high, more than 20 hour calcining cycle, easily pollute, quality is low, and heating-up temperature is inside and outside inhomogeneous, and calcines inhomogeneous.
Summary of the invention
The utility model, for the deficiency of existing microwave calcination equipment and technology, provides a kind of intermittent type microwave alumina powder calcining furnace, energy homogeneous heating, and energy consumption is low, and reaction speed is fast, and the thermal efficiency is high, has improved the purity of material.
The utility model solves the technical scheme that its technical problem adopts: a kind of intermittent type microwave alumina powder calcining furnace, comprises hexagon metal body of heater, furnace body support, insulation material, refractory material bogey, air exhausting device, atmosphere system, furnace pressure system, fire door, sealing strip, locking device, microwave source and temperature measuring equipment, furnace body support carrying hexagon metal body of heater, in hexagon metal furnaces surface layer, be provided with cooling water sandwich, interlayer have water by time keep body of heater surface temperature consistent with room temperature, external water inlet and the delivery port of being provided with of hexagon metal furnaces, hexagon metal body of heater upper end is provided with air exhausting device, lower end is provided with atmosphere system and furnace pressure system, by adding atmosphere gas, accelerate steam and toxic emission, hexagon metal body of heater left side is provided with water-thermometer, be used for surveying furnace sandwich water temperature inside, water-thermometer side is provided with Pressure gauge, be used for monitoring furnace pressure size, to read oxygen or air atmosphere pressure data in stove, after hexagon metal body of heater and sealing flange welding, fire door is connected with this flange, sealing strip is equipped with in fire door and this flange contact position, the locking device locking fire door of fire door, microwave source is arranged on respectively hexagon metal body of heater three sides wherein, with PLC, automatically control the switch of each microwave source, hexagon metal body of heater left side is also provided with temperature measuring equipment, carry out monitoring temperature and multi-point temperature measurement, PLC automatic control process and microwave power are realized calcined material process.
Between described hexagon metal body of heater and refractory material bogey, polycrystalline mullite fibre insulation material is housed, in the middle of refractory material bogey, is placed with alumina powder.Described refractory material bogey is aluminium oxide or mullite.
During work, alumina powder is put into refractory material bogey, close fire door sealing strip shield gasket, locking device locking fire door, open microwave source, adopt PLC automatic control system to regulate microwave power and temperature curve, by temperature measuring equipment, monitor temperature regime in stove, open furnace pressure system, be filled with required calcine technology oxygen or air atmosphere, adopt oxygen or air atmosphere system to control, available pressure table shows furnace pressure in real time, alumina powder has refractory material bogey around, be with insulation material outward and play insulation effect, improve heat utilization rate, calcining alumina powder later
materialcooling employing oxygen or air atmosphere system cools.
The beneficial effects of the utility model are, a kind of intermittent type microwave alumina powder calcining furnace can homogeneous heating, and energy consumption is low, energy-conservation 70%, and reaction speed is fast, and heat utilization rate is high, is difficult for polluting, and has improved mechanical performance and the purity of material.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is a kind of intermittent type microwave alumina powder calcining furnace front view.
Fig. 2 is a kind of intermittent type microwave alumina powder calcining furnace side view.
1. furnace body supports in figure, 2. hexagon metal body of heater, 3. insulation material, 4. refractory material bogey, 5. air exhausting device, 6. atmosphere system, 7. furnace pressure system, 8. fire door, 9. sealing strip, 10 locking devices, 11 microwave sources, 12. temperature measuring equipments, 13. water inlets, 14. delivery ports, 15. Pressure gauges, 16. water-thermometers, 17. sealing flanges, 18. alumina powders.
The specific embodiment
With reference to accompanying drawing, a kind of intermittent type microwave alumina powder calcining furnace, furnace body support 1 carrying hexagon metal body of heater 2, hexagon metal body of heater is provided with cooling water sandwich in 2 top layers, interlayer have water by time keep body of heater surface temperature consistent with room temperature, outer water inlet 13 and the delivery port 14 of being provided with of hexagon metal body of heater 2, hexagon metal body of heater 2 upper ends are provided with air exhausting device 5, lower end is provided with oxygen or air atmosphere system 6 and furnace pressure system 7, by adding oxygen or air atmosphere, protection calcination reaction is complete, body of heater 2 left sides are provided with water-thermometer 16 and survey furnace sandwich water temperature inside, side is provided with Pressure gauge 15 and monitors furnace pressure size, to truly read oxygen or air atmosphere pressure size, body of heater 2 is water-tight with the rear sealing of sealing flange 17 welding, fire door 8 is equipped with sealing strip 9 with sealing flange 17 touching positions, sealing strip 9 prevents the leaky wave that leaks gas, by device for locking door 10, lock simultaneously, reach airtight, described microwave source 11 is arranged on hexagon metal body of heater 2 three sides wherein, hexagon metal body of heater 2 left sides are also provided with temperature measuring equipment 12 and carry out monitoring temperature in stove, between described hexagon metal body of heater 2 and refractory material bogey 4, polycrystalline mullite fibre insulation material 3 is housed, in the middle of refractory material bogey 4, be placed with alumina powder 18.
During work, alumina powder 18 is put into refractory material bogey 4, close fire door 8 use sealing strip 9 sealings, locking device 10 locking metal fire doors 8, open microwave source 11, adopt PLC automatic control system to regulate microwave power and temperature curve, by temperature measuring equipment 12, monitor temperature regime in stove, open furnace pressure system 7, be filled with the required oxygen of calcine technology or air atmosphere, institute's furnace pressure available pressure table 15 of taking out is observed furnace pressure size, alumina powder 18 has refractory material bogey 4 around, be with 3 insulation effects of insulation material outward, improve heat utilization rate, the calcining cooling employing oxygen of alumina powder 18 or air atmosphere system cools later.
The utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of these practical spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall within the scope of claimed the utility model, and the claimed scope of the utility model is defined by appending claims and equivalent thereof
.
Claims (4)
1. an intermittent type microwave alumina powder calcining furnace, mainly comprise hexagon metal body of heater, furnace body support, insulation material, refractory material bogey, air exhausting device, atmosphere system, furnace pressure system, fire door, sealing strip, locking device, microwave source and temperature measuring equipment, it is characterized in that: furnace body support carrying hexagon metal body of heater, in hexagon metal furnaces surface layer, be provided with cooling water sandwich, external water inlet and the delivery port of being provided with of hexagon metal furnaces, hexagon metal body of heater upper end is provided with air exhausting device, lower end is provided with atmosphere system and furnace pressure system, hexagon metal body of heater left side is provided with water-thermometer, water-thermometer side is provided with Pressure gauge, after hexagon metal body of heater and sealing flange welding, fire door is connected with this flange, sealing strip is equipped with in fire door and this flange contact position, and there is locking device to lock fire door, microwave source is arranged on respectively hexagon metal body of heater three sides wherein, with PLC, automatically control the switch of each microwave source, hexagon metal body of heater left side is also provided with temperature measuring equipment, PLC automatic control system.
2. intermittent type microwave alumina powder calcining furnace according to claim 1, it is characterized in that: between described hexagon metal body of heater and refractory material bogey, polycrystalline mullite fibre insulation material is housed, in the middle of refractory material bogey, is placed with alumina powder.
3. intermittent type microwave alumina powder calcining furnace according to claim 2, is characterized in that: described refractory material bogey is aluminium oxide.
4. intermittent type microwave alumina powder calcining furnace according to claim 2, is characterized in that: described refractory material bogey is mullite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320587579.7U CN203479032U (en) | 2013-09-24 | 2013-09-24 | Intermittent microwave aluminum oxide powder calcining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320587579.7U CN203479032U (en) | 2013-09-24 | 2013-09-24 | Intermittent microwave aluminum oxide powder calcining furnace |
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| CN203479032U true CN203479032U (en) | 2014-03-12 |
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| CN201320587579.7U Expired - Fee Related CN203479032U (en) | 2013-09-24 | 2013-09-24 | Intermittent microwave aluminum oxide powder calcining furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595940A (en) * | 2018-12-29 | 2019-04-09 | 江苏三阳环保工程有限公司 | A kind of red lead machine bidirectional radiation heating device |
-
2013
- 2013-09-24 CN CN201320587579.7U patent/CN203479032U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595940A (en) * | 2018-12-29 | 2019-04-09 | 江苏三阳环保工程有限公司 | A kind of red lead machine bidirectional radiation heating device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20140924 |
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| EXPY | Termination of patent right or utility model |