CN104180649B - A kind of microwave dynamic high temperature continuous calcining equipment - Google Patents
A kind of microwave dynamic high temperature continuous calcining equipment Download PDFInfo
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- CN104180649B CN104180649B CN201410321986.2A CN201410321986A CN104180649B CN 104180649 B CN104180649 B CN 104180649B CN 201410321986 A CN201410321986 A CN 201410321986A CN 104180649 B CN104180649 B CN 104180649B
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Abstract
The present invention relates to a kind of microwave dynamic high temperature continuous calcining equipment, belong to the microwave high-temperature roasting apparatus technical field for the realized automatic continuous production of intermediate material high temperature sintering, roasting and de-fluorine and chlorine removal in metallurgical and material industry.This microwave dynamic high temperature continuous calcining equipment, comprise frame, body of heater, microwave heating system, temp measuring system, feed system, discharge system, cooling system, PLC control device and double helix agitating device, body of heater is provided with microwave heating system, temp measuring system, feed system, discharge system, cooling system and double helix agitating device, double helix agitating device comprises the blade be made up of external spiral and inside spin, and microwave heating system, temp measuring system, feed system, discharge system, cooling system are connected with PLC control device.This device structure is simple, is the equipment that can carry out the microwave high-temperature roasting of the large-scale production of serialization that automaticity is high, efficient, clean, easy, cost is low.
Description
Technical field
The present invention relates to a kind of microwave dynamic high temperature continuous calcining equipment, belong to the microwave high-temperature roasting apparatus technical field for the realized automatic continuous production of intermediate material high temperature sintering, roasting and de-fluorine and chlorine removal in metallurgical and material industry.
Background technology
In metallurgy industry, especially in lead-zinc smelting system, when the content of fluorine chlorine reaches certain value in system, serious corrosion can be produced to equipment, in solution of zinc sulfate electrolytic process, fluorine chlorine is also a kind of harmful element, can cause corrosion to cathode-anode plate, thus affect electrolytic efficiency, increase production cost.Therefore, to the control of fluorine chlorinity be always one important be also problem urgently to be resolved hurrily.In lead-zinc smelting, fluorine-containing chlorine intermediate material mainly comprises: in zinc wet smelting process, leached mud is after rotary kiln or fuming furnace process, the zinc oxide fumes obtained; The dechlorination copper ashes produced in zinc liquid purification process; The zinc dross that cathode zinc fusion-casting process produces.
In existing technology and equipment, multiple hearth furnace or rotary kiln baking is generally adopted to remove fluorine chlorine in zinc oxide fumes, its principle is that zinc oxide fumes is under high temperature and certain negative pressure, decompose after fluorine chlorine compound generation physics in flue dust, chemical change, lower boiling fluorine, chlorine compound are volatilized, enters flue gas system with furnace gas together with zinc oxide fumes and be removed.As can be seen from process conditions, what the removal effect of fluorine chlorine depended primarily on in-furnace temperature, outlet of still negative pressure and material stirs degree, but, multiple hearth furnace and rotary kiln investment are greatly, sintering temperature height easily sinters, and energy consumption is large, and in tail gas, chlorine etc. do not reclaim and easily pollute, although rotary kiln defluorinate chlorine effect is better than multiple hearth furnace, inventory is little.Fluorine chlorine in dechlorination copper ashes is removed by alkali cleaning usually, but can produce a large amount of chlorine-contained wastewaters is difficult to process easy contaminated environment.Zinc dross carrys out de-fluorine and chlorine removal by washing process usually, and this will consume a large amount of water resources and produce a large amount of waste water.And the technology and equipment of these existing defluorinate chlorine above-mentioned is still too low to the removal efficiency efficiency of fluorine chlorine, and production cost is high, easy contaminated environment.And the novel equipment removing fluorine chlorine in metallurgical intermediate material for roasting is still blank at present.
At present, in the industries such as metallurgy and material, need to sinter various mineral or intermediate material, roasting, make material in microwave field, carry out high-temperature phase-change reaction, redox reaction etc., the especially roasting of siderite and the desulphurizing roasting etc. of sulfide concentrate in conjunction with different calcination atmospheres.And existing microwave calcining equipment automatization, serialization and maximization degree are not high, microwave high-temperature dynamically roasting continuously can not be carried out to material preferably.
Patent publication No. is that CN202873111U discloses a kind of microwave calcining equipment, multiple chambers arranged in parallel are vertically provided with in its body of heater, adjacent chamber is separated by dividing plate, and the both sides of each chamber are provided with microwave source and waveguide, and the sidewall of each chamber is provided with inlet channel.This equipment can make conduction and the maximizes heater efficiency of microwave, and can realize controlling the stage of calcination atmosphere in stove.But this equipment does not have stirring system, material cannot be made fully to mix and thermally equivalent.In addition, this equipment uses to push away boat and carry out input and output material, cannot realize producing in enormous quantities.
Patent publication No. is that CN201129918Y discloses a kind of swinging microwave high temperature continuous calcining equipment, in heating using microwave cavity, earthenware is installed, earthenware one end is connected with the steel pipe with drive unit, earthenware can be driven to rotate by steel pipe, the other end of earthenware is connected with air-breather, be provided with furnace chamber heat-insulation layer and TVS in microwave cavity, earthenware outside is provided with heat-insulation layer, and temperature measurer and microwave source are connected with cavity by furnace chamber heat-insulation layer.The mode that this equipment adopts earthenware to adopt earthenware to rotate realizes the continus convergence of material, and the tilt adjustable of earthenware, therefore roasting is even, and the treating capacity of material and the time of staying in micro-wave oven also can control.But this equipment becomes liquid material under being not easy to process high temperature, and automaticity is not high.
Patent publication No. is that CN101178286A discloses a kind of desulphurizing roasting of iron sulfide mineral powder and the multi-functional smelting equipment of nitrogen treatment, this equipment comprises frame, microwave occurs and restraining device, infrared temperature measurement system, automaton, continuous feed bucket, the continuous haul puddler of helical form, quartz high temperature reaction tube, feeder, exhaust apparatus etc., by three groups of helical form continuous haul puddlers by upper, in, lower three stacked add horizontally disposed, and as in be formed centrally three separate working cavities and material conveying pipe, in upper strata and middle level, be also respectively equipped with microwave occur and control to arrange, water and gas dual-purpose cooling device and outlet valve is provided with in lower floor.The sulfur removal technology of iron sulfide and nitriding process thereof can unite two into one by this equipment, and energy continuous feeding and discharging, meet the requirement of mass industrialized production, but this equipment quartz high temperature reaction tube does not have attemperator, dissipation of energy will be very large; And described helical form continuous haul puddler can only unidirectional transport material, cannot make that mixing of materials is all even to be heated evenly.
Therefore, for sintering intermediate material in existing defluorinate chlorine equipment and metallurgical and material industry, the above-mentioned shortcoming of the equipment of roasting, metallurgy industry is badly in need of the equipment that can carry out the microwave high-temperature roasting of the large-scale production of serialization that a kind of automaticity is high, efficient, clean, easy, cost is low.
Summary of the invention
Stirring in microwave equipment for the continuous haul of above-mentioned existing helical form the puddler that exists can only unidirectional transport material, cannot make that mixing of materials is all even to be heated evenly, this equipment does not have attemperator, dissipation of energy will be very large etc. shortcoming, the invention provides a kind of microwave dynamic high temperature continuous calcining equipment.This device structure is simple, and be the equipment that can carry out the microwave high-temperature roasting of the large-scale production of serialization that automaticity is high, efficient, clean, easy, cost is low, the present invention is achieved through the following technical solutions.
A kind of microwave dynamic high temperature continuous calcining equipment, comprises frame 1, body of heater, microwave heating system, temp measuring system, feed system, discharge system, cooling system, PLC control device 14 and double helix agitating device, described microwave heating system comprises heating using microwave cavity 3 and magnetron 12, and temp measuring system comprises thermocouple 28, and cooling system comprises circulating cooling water pipe 13, and double helix agitating device comprises shaft 7, the blade 8 be made up of external spiral 19 and inside spin 20, chain 15, screw motor 16 and bearing 18, described frame 1 supports body of heater, body of heater material is stainless steel 4, body of heater two ends port cross-sectional is symmetrical hexagon, furnace interior is close to stainless steel 4 furnace wall and is provided with wave transparent heat-insulating heat-preserving material 5 and wave transparent insulation pottery 6 successively, shaft 7 is provided with bottom wave transparent insulation pottery 6, shaft 7 one end is crossed body of heater and is fixed in frame 1 by bearing 18, shaft 7 other end is connected with the screw motor 16 be arranged in frame 1 by chain 15, shaft 7 is provided with blade 8, body of heater surrounding except top is installed some magnetrons 12 and is formed heating using microwave cavity 3, and heating using microwave cavity 3 is divided into preheating section, bringing-up section, discharging section three part, preheating section top is provided with feed system, and discharging section top is provided with high temp. flue 11, bottom is provided with discharge system, magnetron 12 is installed circulating cooling water pipe 13, to protect magnetron 12 to prevent it overheated, and cooled-preheated section, bringing-up section, discharging section installs thermocouple 28 respectively, thermocouple 28, magnetron 12, circulating cooling water pipe 13 is connected with PLC control device 14 respectively.
Described feed system comprises rotary feeder 21 and charging aperture 22, and rotary feeder 21 is connected with preheating section top by charging aperture 22, and rotary feeder 21 is connected with PLC control device 14.
Described discharge system comprises cylinder 23, flashboard 24, rewinding dolly 25, guide rail 26 and discharging opening 27, discharging opening 27 is provided with flashboard 24, flashboard 24 is provided with cylinder 23, flashboard 24 connects PLC control device 14, frame 1 upper mounting rail 26 of discharging opening 27 lower end, guide rail 26 is provided with rewinding dolly 25.
Described shaft 7 is in hollow shape, and shaft one end connecting fan 17, under high temperature, shaft 7 passes into chilled air cools shaft 7.
Inlet channel 9 is installed in the described body of heater side being provided with feed system, and inlet channel 9 is provided with flowmeter 10.
Described external spiral 19 is left-handed, and inside spin 20 is dextrorotation, and external spiral 19 diameter is greater than inside spin 20 diameter.
Described feed system and discharge system are provided with control microwave TVS.
Described frame 1 is evenly provided with the side door 2 of 12 fans.
Above-mentioned wave transparent heat-insulating heat-preserving material 5 is heat-preservation cotton.
Above-mentioned wave transparent insulation pottery 6 is mullite.
Above-mentioned magnetron 12 distributes and adopts coupling technique, is structurally presented as symmetrical pattern.
Above-mentioned temp measuring system possesses temperature sampling function, and the sampling period is 10s ~ 120s, and institute's detected temperatures signal is passed to PLC control device 14 in real time, and by sampled data real-time storage in SD card.
The using method of this microwave dynamic high temperature continuous calcining equipment is:
(1) first power-on, open screw motor 16 respectively, blower fan 17, circulating cooling water pipe 13, screw motor 16 can drive shaft 7 to rotate, and required gas or steam is passed in inlet channel 9, the flow of gas or steam can pass through flowmeter 10 adjust flux, material is fed intake from rotary feeder 21 and enters into the preheating section of heating using microwave cavity 3, control to realize serialization automatic feed by PLC control device 14, because shaft 7 is with moving vane 8 to stir material, and external spiral 19 diameter on blade 8 is larger, inside spin 20 diameter is less, therefore external spiral 19 to promote inventory many, it is few that inside spin 20 promotes inventory, therefore, material is always known from experience towards a direction promotion, when changing the turning to of screw motor 18, material just again can towards direction promotion on the contrary, so just, material in stove can be made to be mixed fully, after mixing, material will be controlled when promoting to discharge end all the time, just can discharging, the flue gas produced in the process can be discharged from high temp. flue 11,
(2) in the process, the detected temperatures signal that PLC control device 14 is transmitted by temp measuring system, regulate the heating-up temperature of magnetron 12 size of current and then adjustment magnetron 12 as required, and magnetron 12 is provided with circulating cooling water pipe 13, circulating cooling water pipe 13 must ensure there is recirculated cooling water in water pipe, and there is enough strong hydraulic pressure, by the operation conditions of PLC control device 14 Real-Time Monitoring cooling system, once recirculated cooling water is not opened or hydraulic pressure is inadequate, microwave source just can not be opened, thus magnetron 12 can be protected not to be burned; When material reaction complete need discharging time, PLC control device 14 will open flashboard 24, and material just falls on the rewinding dolly 25 of discharging opening 27 lower end, after discharging, close flashboard 24, just rewinding dolly 25 can be pulled away by guide rail 26.
The invention has the beneficial effects as follows: (1) this device structure is simple, is the equipment that can carry out the microwave high-temperature roasting of the large-scale production of serialization that automaticity is high, efficient, clean, easy, cost is low; (2) this equipment can be widely used in the industrial production of various intermediate material high temperature sintering in metallurgy, materials industry, roasting, de-fluorine and chlorine removal etc., and its microwave power can reach hundreds of KW, and treatment temperature reaches as high as about 1000 DEG C, and treating capacity can reach t/h level.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A face of the present invention cross-sectional schematic;
Fig. 3 is double helix shaft structural representation of the present invention.
In figure: 1-frame, 2-side door, 3-heating using microwave cavity, 4-stainless steel, 5-wave transparent heat-insulating heat-preserving material, 6-wave transparent insulation pottery, 7-shaft, 8-blade, 9-inlet channel, 10-flowmeter, 11-high temp. flue, 12-magnetron, 13-circulating cooling water pipe, 14-PLC control device, 15-chain, 16-screw motor, 17-blower fan, 18-bearing, 19-external spiral, 20-inside spin, 21-rotary feeder, 22-charging aperture, 23-cylinder, 24-flashboard, 25-rewinding dolly, 26-guide rail, 27-discharging opening, 28-thermocouple.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1
As shown in Figures 1 to 3, this microwave dynamic high temperature continuous calcining equipment, comprises frame 1, body of heater, microwave heating system, temp measuring system, feed system, discharge system, cooling system, PLC control device 14 and double helix agitating device, described microwave heating system comprises heating using microwave cavity 3 and magnetron 12, and temp measuring system comprises thermocouple 28, and cooling system comprises circulating cooling water pipe 13, and double helix agitating device comprises shaft 7, the blade 8 be made up of external spiral 19 and inside spin 20, chain 15, screw motor 16 and bearing 18, described frame 1 supports body of heater, body of heater material is stainless steel 4, body of heater two ends port cross-sectional is symmetrical hexagon, furnace interior is close to stainless steel 4 furnace wall and is provided with wave transparent heat-insulating heat-preserving material 5 and wave transparent insulation pottery 6 successively, shaft 7 is provided with bottom wave transparent insulation pottery 6, shaft 7 one end is crossed body of heater and is fixed in frame 1 by bearing 18, shaft 7 other end is connected with the screw motor 16 be arranged in frame 1 by chain 15, shaft 7 is provided with blade 8, body of heater surrounding except top is installed some magnetrons 12 and is formed heating using microwave cavity 3, and heating using microwave cavity 3 is divided into preheating section, bringing-up section, discharging section three part, preheating section top is provided with feed system, and discharging section top is provided with high temp. flue 11, bottom is provided with discharge system, magnetron 12 is installed circulating cooling water pipe 13, to protect magnetron 12 to prevent it overheated, and cooled-preheated section, bringing-up section, discharging section installs thermocouple 28 respectively, thermocouple 28, magnetron 12, circulating cooling water pipe 13 is connected with PLC control device 14 respectively.
Wherein feed system comprises rotary feeder 21 and charging aperture 22, and rotary feeder 21 is connected with preheating section top by charging aperture 22, and rotary feeder 21 is connected with PLC control device 14; Discharge system comprises cylinder 23, flashboard 24, rewinding dolly 25, guide rail 26 and discharging opening 27, discharging opening 27 is provided with flashboard 24, flashboard 24 is provided with cylinder 23, and flashboard 24 connects PLC control device 14, frame 1 upper mounting rail 26 of discharging opening 27 lower end, guide rail 26 is provided with rewinding dolly 25; Shaft 7 is hollow shape, shaft one end connecting fan 17, and under high temperature, shaft 7 passes into chilled air cools shaft 7; Inlet channel 9 is installed in the body of heater side being provided with feed system, and inlet channel 9 is provided with flowmeter 10; External spiral 19 is left-handed, and inside spin 20 is dextrorotation, and external spiral 19 diameter is greater than inside spin 20 diameter; Feed system and discharge system are provided with control microwave TVS; Frame 1 is evenly provided with the side door 2 of 12 fans; Wave transparent heat-insulating heat-preserving material 5 is that standard incubation is cotton; Wave transparent insulation pottery 6 is polycrystalline mullite.
The wherein long 4.8m of shaft 7, external diameter 136mm, internal diameter 95mm.
Embodiment 2
As shown in Figures 1 to 3, this microwave dynamic high temperature continuous calcining equipment, comprises frame 1, body of heater, microwave heating system, temp measuring system, feed system, discharge system, cooling system, PLC control device 14 and double helix agitating device, described microwave heating system comprises heating using microwave cavity 3 and magnetron 12, and temp measuring system comprises thermocouple 28, and cooling system comprises circulating cooling water pipe 13, and double helix agitating device comprises shaft 7, the blade 8 be made up of external spiral 19 and inside spin 20, chain 15, screw motor 16 and bearing 18, described frame 1 supports body of heater, body of heater material is stainless steel 4, body of heater two ends port cross-sectional is symmetrical hexagon, furnace interior is close to stainless steel 4 furnace wall and is provided with wave transparent heat-insulating heat-preserving material 5 and wave transparent insulation pottery 6 successively, shaft 7 is provided with bottom wave transparent insulation pottery 6, shaft 7 one end is crossed body of heater and is fixed in frame 1 by bearing 18, shaft 7 other end is connected with the screw motor 16 be arranged in frame 1 by chain 15, shaft 7 is provided with blade 8, body of heater surrounding except top is installed some magnetrons 12 and is formed heating using microwave cavity 3, and heating using microwave cavity 3 is divided into preheating section, bringing-up section, discharging section three part, preheating section top is provided with feed system, and discharging section top is provided with high temp. flue 11, bottom is provided with discharge system, magnetron 12 is installed circulating cooling water pipe 13, to protect magnetron 12 to prevent it overheated, and cooled-preheated section, bringing-up section, discharging section installs thermocouple 28 respectively, thermocouple 28, magnetron 12, circulating cooling water pipe 13 is connected with PLC control device 14 respectively.
Wherein feed system comprises rotary feeder 21 and charging aperture 22, and rotary feeder 21 is connected with preheating section top by charging aperture 22, and rotary feeder 21 is connected with PLC control device 14; Discharge system comprises cylinder 23, flashboard 24, rewinding dolly 25, guide rail 26 and discharging opening 27, discharging opening 27 is provided with flashboard 24, flashboard 24 is provided with cylinder 23, and flashboard 24 connects PLC control device 14, frame 1 upper mounting rail 26 of discharging opening 27 lower end, guide rail 26 is provided with rewinding dolly 25; Shaft 7 is hollow shape, shaft one end connecting fan 17, and under high temperature, shaft 7 passes into chilled air cools shaft 7; Inlet channel 9 is installed in the body of heater side being provided with feed system, and inlet channel 9 is provided with flowmeter 10; External spiral 19 is left-handed, and inside spin 20 is dextrorotation, and external spiral 19 diameter is greater than inside spin 20 diameter; Feed system and discharge system are provided with control microwave TVS; Frame 1 is evenly provided with the side door 2 of 12 fans; Wave transparent heat-insulating heat-preserving material 5 is common heat-preservation cotton; Wave transparent insulation pottery 6 is common mullite.
The wherein long 5.4m of shaft 7, external diameter 142mm, internal diameter 103mm.
Embodiment 3
As shown in Figures 1 to 3, this microwave dynamic high temperature continuous calcining equipment, comprises frame 1, body of heater, microwave heating system, temp measuring system, feed system, discharge system, cooling system, PLC control device 14 and double helix agitating device, described microwave heating system comprises heating using microwave cavity 3 and magnetron 12, and temp measuring system comprises thermocouple 28, and cooling system comprises circulating cooling water pipe 13, and double helix agitating device comprises shaft 7, the blade 8 be made up of external spiral 19 and inside spin 20, chain 15, screw motor 16 and bearing 18, described frame 1 supports body of heater, body of heater material is stainless steel 4, body of heater two ends port cross-sectional is symmetrical hexagon, furnace interior is close to stainless steel 4 furnace wall and is provided with wave transparent heat-insulating heat-preserving material 5 and wave transparent insulation pottery 6 successively, shaft 7 is provided with bottom wave transparent insulation pottery 6, shaft 7 one end is crossed body of heater and is fixed in frame 1 by bearing 18, shaft 7 other end is connected with the screw motor 16 be arranged in frame 1 by chain 15, shaft 7 is provided with blade 8, body of heater surrounding except top is installed some magnetrons 12 and is formed heating using microwave cavity 3, and heating using microwave cavity 3 is divided into preheating section, bringing-up section, discharging section three part, preheating section top is provided with feed system, and discharging section top is provided with high temp. flue 11, bottom is provided with discharge system, magnetron 12 is installed circulating cooling water pipe 13, to protect magnetron 12 to prevent it overheated, and cooled-preheated section, bringing-up section, discharging section installs thermocouple 28 respectively, thermocouple 28, magnetron 12, circulating cooling water pipe 13 is connected with PLC control device 14 respectively.
Wherein feed system comprises rotary feeder 21 and charging aperture 22, and rotary feeder 21 is connected with preheating section top by charging aperture 22, and rotary feeder 21 is connected with PLC control device 14; Discharge system comprises cylinder 23, flashboard 24, rewinding dolly 25, guide rail 26 and discharging opening 27, discharging opening 27 is provided with flashboard 24, flashboard 24 is provided with cylinder 23, and flashboard 24 connects PLC control device 14, frame 1 upper mounting rail 26 of discharging opening 27 lower end, guide rail 26 is provided with rewinding dolly 25; Shaft 7 is hollow shape, shaft one end connecting fan 17, and under high temperature, shaft 7 passes into chilled air cools shaft 7; Inlet channel 9 is installed in the body of heater side being provided with feed system, and inlet channel 9 is provided with flowmeter 10; External spiral 19 is left-handed, and inside spin 20 is dextrorotation, and external spiral 19 diameter is greater than inside spin 20 diameter; Feed system and discharge system are provided with control microwave TVS; Frame 1 is evenly provided with the side door 2 of 12 fans; Wave transparent heat-insulating heat-preserving material 5 is high-purity heat-preservation cotton; Wave transparent insulation pottery 6 is high-purity mullite.
The wherein long 4.8m of shaft 7, external diameter 153mm, internal diameter 110mm.
Claims (6)
1. a microwave dynamic high temperature continuous calcining equipment, it is characterized in that: comprise frame (1), body of heater, microwave heating system, temp measuring system, feed system, discharge system, cooling system, PLC control device (14) and double helix agitating device, described microwave heating system comprises heating using microwave cavity (3) and magnetron (12), temp measuring system comprises thermocouple (28), cooling system comprises circulating cooling water pipe (13), double helix agitating device comprises shaft (7), the blade (8) be made up of external spiral (19) and inside spin (20), chain (15), screw motor (16) and bearing (18), described frame (1) supports body of heater, body of heater material is stainless steel (4), body of heater two ends port cross-sectional is symmetrical hexagon, furnace interior is close to stainless steel (4) furnace wall and is provided with wave transparent heat-insulating heat-preserving material (5) and wave transparent insulation pottery (6) successively, wave transparent insulation pottery (6) bottom is provided with shaft (7), shaft (7) one end is crossed body of heater and is fixed in frame (1) by bearing (18), shaft (7) other end is connected with the screw motor (16) be arranged in frame (1) by chain (15), shaft (7) is provided with blade (8), body of heater surrounding except top is installed some magnetrons (12) and is formed heating using microwave cavity (3), heating using microwave cavity (3) is divided into preheating section, bringing-up section, discharging section three part, preheating section top is provided with feed system, discharging section top is provided with high temp. flue (11), bottom is provided with discharge system, magnetron (12) is installed circulating cooling water pipe (13), preheating section, bringing-up section, discharging section installs thermocouple (28) respectively, thermocouple (28), magnetron (12), circulating cooling water pipe (13) is connected with PLC control device (14) respectively,
Described discharge system comprises cylinder (23), flashboard (24), rewinding dolly (25), guide rail (26) and discharging opening (27), discharging opening (27) is provided with flashboard (24), flashboard (24) is provided with cylinder (23), flashboard (24) connects PLC control device (14), frame (1) upper mounting rail (26) of discharging opening (27) lower end, guide rail (26) is provided with rewinding dolly (25);
Described feed system comprises rotary feeder (21) and charging aperture (22), and rotary feeder (21) is connected with preheating section top by charging aperture (22), and rotary feeder (21) is connected with PLC control device (14).
2. microwave dynamic high temperature continuous calcining equipment according to claim 1, is characterized in that: described shaft (7) in hollow shape, shaft one end connecting fan (17).
3. microwave dynamic high temperature continuous calcining equipment according to claim 1, is characterized in that: described in be provided with feed system body of heater side install inlet channel (9), inlet channel (9) is provided with flowmeter (10).
4. microwave dynamic high temperature continuous calcining equipment according to claim 1, is characterized in that: described external spiral (19) is for left-handed, and inside spin (20) is dextrorotation, and external spiral (19) diameter is greater than inside spin (20) diameter.
5., according to the arbitrary described microwave dynamic high temperature continuous calcining equipment of claim 1, it is characterized in that: described feed system and discharge system are provided with control microwave TVS.
6., according to the arbitrary described microwave dynamic high temperature continuous calcining equipment of claim 1 to 5, it is characterized in that: the side door (2) described frame (1) being evenly provided with 12 fans.
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| US3771948A (en) * | 1972-02-29 | 1973-11-13 | Nissho Semiconductor Co Ltd | Heating devices for manufacturing semiconductor elements |
| CN101178286A (en) * | 2007-12-03 | 2008-05-14 | 吴新滨 | Iron sulfide mineral powder desulphurizing roasting and liquid nitrogen quenching multifunctional microwave smelting apparatus |
| CN201129918Y (en) * | 2007-12-03 | 2008-10-08 | 长春黄金研究院 | Rotary type microwave high temperature continuous calcining equipment |
| US20130034821A1 (en) * | 2011-06-07 | 2013-02-07 | Brunnschweiler S.A. | Conveyor Oven |
| CN202873111U (en) * | 2012-10-22 | 2013-04-10 | 中国石油化工股份有限公司 | Microwave roasting equipment |
| CN203928703U (en) * | 2014-07-08 | 2014-11-05 | 昆明理工大学 | A kind of microwave dynamic high temperature continuous calcining equipment |
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