CN103851899A - Novel microwave rotary kiln - Google Patents
Novel microwave rotary kiln Download PDFInfo
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- CN103851899A CN103851899A CN201210519069.6A CN201210519069A CN103851899A CN 103851899 A CN103851899 A CN 103851899A CN 201210519069 A CN201210519069 A CN 201210519069A CN 103851899 A CN103851899 A CN 103851899A
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Abstract
The invention discloses a novel microwave rotary kiln, which comprises a high-position material cabin, a smoke discharge system, a microwave reaction cavity, a hearth, a material discharging mechanism, a remote control system, a microwave power source, a water cooling system, a heat insulation layer and a heat measuring device, wherein a sealing ring is adopted for sealing among a feeding mechanism, the material discharging mechanism and the hearth, the high-position material cabinet is arranged at the feeding end of the hearth, the feeding mechanism and the material discharging mechanism are connected with the hearth in a sealed way, the smoke discharge system is arranged on the hearth, the heat insulation layer covers outside the hearth, the material discharging end of the hearth is provided with the temperature measuring device, the water cooling system is arranged on the microwave power source, at least one group of microwave power source is arranged on the microwave reaction cavity, the microwave reaction cavity is arranged outside the heat insulation layer, and the remote control system is connected with the feeding mechanism and the material discharging mechanism. The novel microwave rotary kiln has the advantages that the production period is short, the energy consumption is low, the product uniformity is good, the microwave field distribution is uniform, the equipment is stable, the service life is long, and the multi-section temperature control continuity and the scale production are realized.
Description
Technical field
The present invention relates to a kind of microwave heating equipment, relate in particular to a kind of new microwave rotary kiln.
Background technology
At present, the uranium chemical concentrate calcining that crowd knows adopts the half dynamic electric forged firing taking cylinder as representative conventionally, it is characterized in that by conduction, convection current, the modes such as radiation make heat from material outside to internal delivery, because this equipment exists temperature distributing disproportionation even on same cross section, thereby cause this production method to exist the cycle long, energy consumption is high, the thermal efficiency is low, product homogeneity is poor, easily there is underburnt, the phenomenons such as burning, bring processing difficulties to subsequent handling, and more crucial be that electric heating kiln calcining ammonium uranyl tricarbonate processing technology time length can cause nuclear radiation to threaten probability to increase, therefore, exploitation is fast a kind of, safety, it is very important that the new-type calcining equipments of low energy consumption seems.
Microwave, as a kind of heating means of green high-efficient, can selectively add thermal material by the energy dissipation in material inside, has advantages of that the conventional heating modes such as homogeneous heating, the thermal efficiency are high, cleanliness without any pollution are incomparable.
But in the microwave equipment of current use, household microwave oven belongs to batch (-type) heating, and power density is low, poor repeatability, cannot carry out scale operation; , all there is the problems such as microwave field distribution is inhomogeneous, and equipment seal is bad, and reactor temperature field distribution is single in high power high-temperature microwave equipment, cannot realize the transplantability calcining of uranium chemical concentrate; In addition, microwave current reactor power origin system adopts mode natural air cooled or that air blast cooling mode is cooling, and these two kinds of modes all exist cooling effectiveness low, and the disadvantage that cooling effect is poor causes that stabilization of equipment performance is poor, service life is short; Therefore, can be used at present the serialization of calcining uranium chemical concentrate, high temperature microwave equipment and the technical blank that remains of scale.
Summary of the invention
The object of the invention is to exist the production cycle long for existing electric heating rotary kiln; energy consumption is high; there is the deficiencies such as microwave field distribution is inhomogeneous, stabilization of equipment performance is poor, service life is short in the drawbacks such as product homogeneity is poor and current microwave equipment;, equipment seal large according to uranium chemical concentrate radiation hazradial bundle requires high particularity requirement, and a kind of serialization of multistage temperature control, microwave rotary kiln for the calcining of uranium chemical concentrate of scale realized is provided.
For completing above-mentioned purpose, the technical solution used in the present invention is: a kind of microwave rotary kiln, comprises high hopper, feeding mechanism, smoke evacuation system, microwave reaction cavity, burner hearth, discharging mechanism, tele-control system, microwave power source, water-cooling system, heat-insulation layer, temperature measuring equipment; Described high hopper is arranged on burner hearth feed end, and feeding mechanism and discharging mechanism and burner hearth are tightly connected, and smoke evacuation system is arranged on burner hearth; Described burner hearth covers heat-insulation layer outward, and burner hearth discharge end is provided with temperature measuring equipment; Described water-cooling system is arranged on microwave power source, and one group of microwave power source is at least set on microwave reaction cavity, and microwave reaction cavity is arranged on outside heat-insulation layer; Tele-control system connects feeding mechanism and discharging mechanism; Described water-cooling system adopts aluminium alloy annular water cooler to be assemblied on microwave power source.
Further, described microwave reaction cavity is regular five-hedron reaction cavity, and the microwave power source of configuration water-cooling system is arranged in outside regular five-hedron cavity, preferably arranges three groups.
Further, described feeding mechanism adopts spiral feeding manner, is driven and is realized charging by motor.
Further, described burner hearth two ends are provided with steel chuck, are equipped with gear on chuck, and gear is connected with motor by chain, drive burner hearth to rotate;
Further, between described feeding mechanism and discharging mechanism and burner hearth, seal with graphite-seal ring;
Further, described temperature measuring equipment, adopts independently three root module temperature controls, and temperature thermocouple adopts 3 combined type thermometrics.
Beneficial effect of the present invention: (1) microwave reaction cavity adopts the design of unique regular five-hedron, makes to intersect between microwave source mutual coupling minimum, and in cavity, microwave field is more even; (2) water-cooling system adopts aluminium alloy annular water cooler, improved equipment stability, extended service life of equipment; (3) between feeding mechanism and discharging mechanism and burner hearth, adopt graphite-seal ring sealing, ensured the seal of burner hearth; (4) based on microwave " body heating " characteristic, make material entirety thermally equivalent, product composition and particle diameter are even, with short production cycle; (5) microwave reaction cavity is by tele-control system control, the injury of having avoided microwave from leakage to cause human body.
Brief description of the drawings:
Below in conjunction with embodiment, the present invention is described in detail.
Fig. 1: be structural representation of the present invention
Detailed description of the invention
As shown in Figure 1, a kind of new microwave rotary kiln, comprises high hopper 1, feeding mechanism 2, smoke evacuation system 3, microwave reaction cavity 4, burner hearth 5, discharging mechanism 6, tele-control system 7, microwave power source 8, water-cooling system 9, heat-insulation layer 10, temperature measuring equipment 11; Described high hopper 1 is arranged on burner hearth 5 feed ends, and feeding mechanism 2 and discharging mechanism 6 are tightly connected with burner hearth 5, and smoke evacuation system 3 is arranged on burner hearth 5; Described burner hearth 5 is outer covers heat-insulation layer 10, and burner hearth 5 discharge ends are provided with temperature measuring equipment 11; Described water-cooling system 9 is arranged on microwave power source 8, and one group of microwave power source 8 is at least set on microwave reaction cavity 4, and microwave reaction cavity 4 is arranged on outside heat-insulation layer 10; Tele-control system 7 connects feeding mechanism 2 and discharging mechanism 6; Described water-cooling system 9 adopts aluminium alloy annular water cooler to be assemblied on microwave power source 8.
Further, described microwave reaction cavity 4 is regular five-hedron reaction cavity, and the microwave power source 8 of configuration water-cooling system 9 is arranged in outside regular five-hedron cavity, preferably arranges three groups.
Further, described feeding mechanism 2 adopts spiral feeding manner, is driven and is realized charging by motor.
Further, described burner hearth 5 two ends are provided with steel chuck, are equipped with gear on chuck, and gear is connected with motor by chain, drive burner hearth 5 to rotate;
Further, between described feeding mechanism 2 and discharging mechanism 6 and burner hearth 5, seal with graphite-seal ring;
Further, described temperature measuring equipment 11, adopts independently three root module temperature controls, and temperature thermocouple adopts 3 combined type thermometrics.
Pack material into high hopper 1, open input and output material switch, it is in the burner hearth 5 of microwave reaction inside cavity of 3-10 ° that material is delivered to gradient continuously by feeding mechanism 2; After material is covered with burner hearth 5 and reaches certain thickness, open heating using microwave switch, regulate microwave output power, make material rise to respectively predetermined temperature by room temperature with certain heating rate; Material passes through whole burner hearth 5 lentamente by burner hearth 5 feed ends, after microwave treatment, discharges recovery by discharging mechanism 6, and flue gas is discharged by smoke evacuation system.
Claims (2)
1. a new microwave rotary kiln, it is characterized in that, comprise high hopper (1), between feeding mechanism (2) and discharging mechanism (6) and burner hearth (5), seal with graphite-seal ring, smoke evacuation system (3), microwave reaction cavity (4), two ends are provided with steel chuck, assemble cogged burner hearth (5) on chuck, gear is connected with motor by chain, drive burner hearth (5) to rotate, discharging mechanism (6), tele-control system (7), microwave power source (8), water-cooling system (9), heat-insulation layer (10), temperature measuring equipment (11); Described high hopper (1) is arranged on burner hearth (5) feed end, and feeding mechanism (2) and discharging mechanism (6) are tightly connected with burner hearth (5), and smoke evacuation system (3) is arranged on burner hearth (5); Described burner hearth (5) is outer covers heat-insulation layer (10), and burner hearth (5) discharge end is provided with temperature measuring equipment (11); It is upper that described water-cooling system (9) is arranged on microwave power source (8), and one group of microwave power source (8) is at least set on microwave reaction cavity (4), and microwave reaction cavity (4) is arranged on outside heat-insulation layer (10); Tele-control system (7) connects feeding mechanism (2) and discharging mechanism (6); Described water-cooling system (9) adopts aluminium alloy annular water cooler to be assemblied on microwave power source (8).
2. the microwave rotary kiln for the calcining of uranium chemical concentrate according to claim 1, it is characterized in that: described microwave reaction cavity (4) is regular five-hedron reaction cavity, the microwave power source (8) of configuration water-cooling system (9) is arranged in outside regular five-hedron cavity, preferably arranges three groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210519069.6A CN103851899A (en) | 2012-12-06 | 2012-12-06 | Novel microwave rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210519069.6A CN103851899A (en) | 2012-12-06 | 2012-12-06 | Novel microwave rotary kiln |
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| Publication Number | Publication Date |
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| CN103851899A true CN103851899A (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210519069.6A Pending CN103851899A (en) | 2012-12-06 | 2012-12-06 | Novel microwave rotary kiln |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457217A (en) * | 2014-11-12 | 2015-03-25 | 张雪华 | Microwave kiln for assisting in cement clinker calcination and microwave calcination method thereof |
| CN105885881A (en) * | 2014-11-14 | 2016-08-24 | 北京方道环保科技有限公司 | Multiphase feeding machine of rotary furnace |
| CN106277873A (en) * | 2016-08-17 | 2017-01-04 | 南京戈德水泥技术工程有限责任公司 | A kind of microwave with waste gas generating function produces cement new method |
| CN107830729A (en) * | 2017-11-01 | 2018-03-23 | 昆明理工大学 | A kind of rotary furnace of microwave calcination high pure metal |
| CN108088241A (en) * | 2017-12-15 | 2018-05-29 | 湖南景远微波科技有限公司 | A kind of microwave high-temperature revolution calcining kiln of high power tube application |
| CN108759459A (en) * | 2018-07-06 | 2018-11-06 | 中南大学 | Lithium ion battery material microwave radiation technology dynamic continuous calcining equipment and method for calcinating |
-
2012
- 2012-12-06 CN CN201210519069.6A patent/CN103851899A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457217A (en) * | 2014-11-12 | 2015-03-25 | 张雪华 | Microwave kiln for assisting in cement clinker calcination and microwave calcination method thereof |
| CN105885881A (en) * | 2014-11-14 | 2016-08-24 | 北京方道环保科技有限公司 | Multiphase feeding machine of rotary furnace |
| CN106277873A (en) * | 2016-08-17 | 2017-01-04 | 南京戈德水泥技术工程有限责任公司 | A kind of microwave with waste gas generating function produces cement new method |
| CN106277873B (en) * | 2016-08-17 | 2018-11-13 | 南京戈德水泥技术工程有限责任公司 | A kind of microwave production cement method with exhaust gas generating function |
| CN107830729A (en) * | 2017-11-01 | 2018-03-23 | 昆明理工大学 | A kind of rotary furnace of microwave calcination high pure metal |
| CN108088241A (en) * | 2017-12-15 | 2018-05-29 | 湖南景远微波科技有限公司 | A kind of microwave high-temperature revolution calcining kiln of high power tube application |
| CN108759459A (en) * | 2018-07-06 | 2018-11-06 | 中南大学 | Lithium ion battery material microwave radiation technology dynamic continuous calcining equipment and method for calcinating |
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Application publication date: 20140611 |