CN104422274B - A kind of heating in medium frequency calcining furnace - Google Patents
A kind of heating in medium frequency calcining furnace Download PDFInfo
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- CN104422274B CN104422274B CN201310365246.4A CN201310365246A CN104422274B CN 104422274 B CN104422274 B CN 104422274B CN 201310365246 A CN201310365246 A CN 201310365246A CN 104422274 B CN104422274 B CN 104422274B
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- Prior art keywords
- heater
- heating
- boiler tube
- calcining furnace
- medium frequency
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 26
- 238000001354 calcination Methods 0.000 title claims abstract description 18
- 230000006698 induction Effects 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 17
- 238000007669 thermal treatment Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 150000001879 copper Chemical class 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The present invention relates to calcining furnace technical field, specifically a kind of heating in medium frequency calcining furnace.Including body of heater, supporting mechanism, feeding mechanism, discharging bin, temperature control system and cooling system, wherein body of heater is arranged on supporting mechanism, body of heater be respectively arranged at two ends with charging aperture and discharging opening, described feeding mechanism is arranged at the charging aperture of body of heater one end, and described discharging bin is arranged on the discharge outlet of the body of heater other end；It is provided with intermediate frequency induction heating device outside described body of heater.Homogeneous heating of the present invention, easy to control, impurity is few, and the product quality produced is high.
Description
Technical field
The present invention relates to calcining furnace technical field, specifically a kind of heating in medium frequency calcining furnace.
Background technology
Calcining furnace, is a kind of for high-temperature process, makees the energy with natural gas, oil, electricity and coal, recovery
Rare metal, Catalyst Production, improve environment, produce the equipment of extraordinary chemicals.Due to environmental requirement with
And coal appreciates, not only do not meet environmental requirement with coking coal heating, and in price and the most unusual
Uneconomical.Heating unbalanced, wayward, the product quality produced is the highest, impurity is many simultaneously.With
Developing rapidly of China's process of industrialization, sensing heating art is also in fast development.As induction technology is closed
It is applied on calcining technology put to reason, disadvantages described above can be overcome.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of heating in medium frequency calcining furnace, this calcining furnace adds
Uniformly, easy to control, impurity is few for heat, and the product quality produced is high.
To achieve these goals, the present invention is by the following technical solutions:
A kind of heating in medium frequency calcining furnace, including body of heater, supporting mechanism, feeding mechanism, discharging bin, temperature control system
System and cooling system, wherein body of heater is arranged on supporting mechanism, body of heater be respectively arranged at two ends with charging aperture and going out
Material mouth, described feeding mechanism is arranged at the charging aperture of body of heater one end, described discharging bin be arranged on body of heater another
The discharge outlet of end；It is provided with intermediate frequency induction heating device outside described body of heater.
Described body of heater includes preheating zone, the thermal treatment zone and cooling zone, and wherein preheating zone is connected with feeding mechanism, adds
Hot-zone is positioned at the centre of body of heater, and described cooling zone is connected with discharging bin；Described intermediate frequency induction heating device includes
Control chamber and induction coil, wherein induction coil is centered around outside the thermal treatment zone of body of heater and is electrically connected with control chamber
Connect.Described induction coil uses bobbin coiling, water flowing cooling in this copper pipe.The thermal treatment zone part of described body of heater
And it is provided with furnace lining between induction coil.
The revolution boiler tube of the axis reciprocating rotating odd-times being parallel to body of heater, this revolution it is provided with in described preheating zone
The inwall of boiler tube is provided with the rotating screw blade that material can be driven to advance；The Single port of described revolution boiler tube by
The center of body of heater passes charging aperture and is connected with feeding mechanism, revolution boiler tube the other end and the thermal treatment zone
Connection.
Described feeding mechanism includes feed hopper and feeding screw, one end of described feeding screw and feed hopper
Connecting, the other end is tightly connected with one end of described revolution boiler tube.On the inwall of described revolution boiler tube rear and front end
It is provided with knocking device.
Described supporting mechanism is multiple, and each supporting mechanism all includes base station, supports wheel and sprocket wheel, Qi Zhongzhi
Support wheel is fixed on base station and is connected with main electric rotating machine；Sprocket wheel is socketed on body of heater, described support wheel with
Sprocket engagement transmission.Described body of heater rear and front end is equipped with sealing mechanism.
Close feeding mechanism one end of described body of heater preheating zone be arranged over air vent, on described body of heater install
There is the manual setter preventing turning round boiler tube at high temperature stall.
The present invention has the following advantages and beneficial effect:
1. the present invention adds thermal balance, product quality easy to control, that produce is high, impurity is few, steady quality.
2. the present invention is adapted to runny powder material.
3. the present invention can produce continuously, yield high.Can constantly throw in material, not affected by extraneous factor.
4. the present invention makes full use of heat energy, and the thermal efficiency is high.
Environmental protection and energy saving the most of the present invention, low-carbon (LC).
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is A-A sectional view in Fig. 1.
Wherein: 1 is feeding mechanism, 2 is air vent, and 3 is revolution boiler tube, and 4 is induction coil, and 5 is sprocket wheel,
6 for supporting wheel, and 7 is discharging bin, and 8 is foundation stone, and 9 is body of heater, and 10 is auger conveyor.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As it is shown in figure 1, the present invention includes body of heater 9, supporting mechanism, feeding mechanism 1, discharging bin 7, temperature control
System and cooling system, wherein body of heater 9 is the revolving body being welded into after round as a ball by the iron plate that 8mm is thick and sets
Put on supporting mechanism, body of heater 9 be respectively arranged at two ends with charging aperture and discharging opening, and charging aperture is higher than
Material mouth.Feeding mechanism 1 is arranged at the charging aperture of body of heater 9 one end, and discharging bin 7 is arranged on the body of heater other end
Discharge outlet；Feeding mechanism 1 includes the feeding screw 10 by charging driven by motor and feed hopper, charging
Bucket uses stainless steel material to be made, and feeding screw 10 is that DC speed regulation controls charging rate, charging electricity
The power of machine is 1.1kw.Discharging bin uses stainless steel material to be made, for convenience of observing discharging situation,
Discharging bin top arranges two dust-proof observation windows.
Body of heater 9 includes preheating zone, the thermal treatment zone and cooling zone, and wherein preheating zone is connected with feeding screw 10,
The thermal treatment zone is positioned at the centre of body of heater 9, and cooling zone is connected with discharging bin 7；Described body of heater 9 is outside is provided with intermediate frequency
Induction heating apparatus, this intermediate frequency induction heating device includes control chamber and induction coil 4, wherein induction coil 4
It is centered around the outside of body of heater 9 thermal treatment zone and electrically connects with control chamber.Described control chamber is prior art, interior
It is provided with IGCT, reactor, electric capacity, air switch, chopper, radiator, solid-state relay, frequency conversion
Device, intelligent temperature controller and alarm lamp etc..Medium frequency voltmeter, ammeter, temperature note it is furnished with on control chamber door-plate
Record instrument, the control table of 2nd district, equipment speed of gyration table, speed of agitator table, button and knob etc..Described control
Case is prior art.Induction coil 4 uses a length of 100mm, a width of 25mm, wall thickness to be the square of 2.5mm
Copper pipe coiling, water flowing cooling in this copper pipe；It is provided with stove between thermal treatment zone part and the induction coil 4 of body of heater 9
Lining, this furnace lining uses Beijing will to contain prestige China ZS-811 high-temperature resistant coating ramming, and this coating will not deform, ftracture,
Surface temperature room temperature.
On the inboard wall of furnace body of described preheating zone by steel construction be fixed with revolution boiler tube 3, described revolution boiler tube 3 by
A piece pipe is parallel to the axis reciprocating rotating odd-times of body of heater 9, makes Single port be worn by the center of body of heater 9
Go out charging aperture and be tightly connected with feeding screw 10 by graphite packing.Revolution boiler tube 3 the other end with
The thermal treatment zone connects, and is provided with, in revolution boiler tube 3, the helical blade that material can be driven to advance.Revolution boiler tube 3 uses
In front and back steel structure support is fixed on body of heater 9, and the thick 310s corrosion resistant plate for 12mm is used to be fabricated to cylinder
Shape structure, for ease of powder thermally equivalent.Set up defences in revolution boiler tube 3 knocking device of material collophore wall, i.e.
Flight.Flight is arranged on input and output material end before and after revolution boiler tube 3, and beat is 3 times/turns；For preventing rotary furnace
Pipe 3 at high temperature stall causes deformation and feeding screw stall to cause stopping feed, and body of heater 9 is provided with
Manual setter, under power-off condition, operator take emergent manual rocking-turn revolution boiler tube 3.
As in figure 2 it is shown, the charging aperture of revolution boiler tube 3 is positioned at the axle center of body of heater 9, revolution boiler tube 3 is with this axle
The heart is uniform reciprocating rotating odd-times on the circumference of the center of circle, a diameter of 380mm, makes another port be placed in heating
In district.A diameter of 159mm of revolution boiler tube.Revolution boiler tube 3 also can be made up of the boiler tube that odd number is isometric, its
In boiler tube be arranged at the central axis of body of heater 9, remaining boiler tube is distributed in parallel to each other with body of heater 9
On same circumference centered by central shaft, and adjacent two pipes are joined end to end successively by bend pipe, form one
The boiler tube of reciprocating rotating.
Described supporting mechanism includes base station 8, supports wheel 6 and sprocket wheel 5, wherein supports wheel 6 and is fixed on base station 8
Above and being connected with main electric rotating machine, this main electric rotating machine power is 7.5kw；Sprocket wheel 5 is socketed on body of heater 9,
Described wheel 6 and sprocket wheel 5 engaged transmission of supporting, the present embodiment employing fourth officer transmission, the revolution speed of body of heater 9
Degree is 0～6 rev/min.Base station 8 is cement base station, a height of 1000mm, a length of 1300mm, a width of 800mm；
Supporting wheel 6 to take turns for round, fourth officer that is eight wheel supports body of heater 9 altogether；Support wheel 6 and all use 45# with sprocket wheel 5
Steel.
Body of heater 9 rear and front end is equipped with sealing mechanism, and this sealing mechanism uses stainless steel material to be made,
Select international advanced sealing mechanism, remained to keep good sealing by thermal stretching and micro-deformation, can
Air pressure certain in protection stove；The end, preheating zone of body of heater 9 is provided with air vent 2, and this air vent 2 is discharged in time
The aqueous vapor produced in roasting process and waste gas.
Temperature-controlling system is placed in described control chamber, uses SCR control, preparation to have PID function instrument,
Multiband digital display meter, has overtemperature sound and light of alarm.Instrument used is Honeywell brand, electric elements
Using ohm grand or execute moral brand, automatically controlled screen case is made by Siemens's standard, and temperature-controlled precision is high, easy to operate.
General power 160kw, point 2nd district heating, temperature controls at >=900 DEG C, and temperature reached 900 DEG C at 30 minutes.
Present device overall length is 16500mm, a height of 2500mm, a width of 1500mm, wherein heats a length of
10000mm, diameter 610mm, a length of 2000mm in cooling zone.Cooling system is connected with cooling zone, uses rustless steel
Board making takes advantage of casing, uses aerator quenching mode, makes discharging powder lower the temperature out.
The work process of the present invention:
First start feeding screw 10, material is pushed in revolution boiler tube 3, then start and control body of heater 9
The main electric rotating machine of rotating speed, make material under the conveying of feeding screw 10 revolution boiler tube 3 in reciprocating rotating.
Preheat under the radiation of the high temperature hot gas produced in the thermal treatment zone, air vent 2 discharge roasting process in time
The aqueous vapor of middle generation and waste gas.Described main electric rotating machine is frequency conversion motor, regulates body of heater 9 according to technological requirement
Rotary speed；Preheated material out enters the thermal treatment zone from revolution boiler tube 3 and heats, and temperature is at 30 points
Clock reaches 900 DEG C and controls at >=900 DEG C, and temperature is by control chamber control.Support wheel 6 at main electric rotating machine
Driving under rotate, body of heater 9 by sprocket wheel 5 with support take turns 6 engaged transmission and rotate, speed of gyration be 0～
6 revs/min.The material reaching technological requirement finally enters cooling zone, carries out air cooling by aerator, then will
The material of cooling is got rid of by discharging bin 7.
Claims (7)
1. a heating in medium frequency calcining furnace, it is characterized in that: include body of heater (9), supporting mechanism, feeding mechanism (1), discharging bin (7), temperature control system and cooling system, wherein body of heater (9) is arranged on supporting mechanism, body of heater (9) be respectively arranged at two ends with charging aperture and discharging opening, described feeding mechanism (1) is arranged at the charging aperture of body of heater (9) one end, and described discharging bin (7) is arranged on the discharge outlet of body of heater (9) other end；Described body of heater (9) is outside is provided with intermediate frequency induction heating device；
Described body of heater (9) includes preheating zone, the thermal treatment zone and cooling zone, and wherein preheating zone is connected with feeding mechanism (1), and the thermal treatment zone is positioned at the centre of body of heater (9), and described cooling zone is connected with discharging bin (7)；Described intermediate frequency induction heating device includes control chamber and induction coil (4), and wherein induction coil (4) is centered around outside the thermal treatment zone of body of heater (9) and electrically connects with control chamber；
Being provided with the revolution boiler tube (3) of the axis reciprocating rotating odd-times being parallel to body of heater (9) in described preheating zone, the inwall of this revolution boiler tube (3) is provided with the rotating screw blade that material can be driven to advance；The Single port of described revolution boiler tube (3) is passed charging aperture by the center of body of heater (9) and is connected with feeding mechanism (1), and the other end of revolution boiler tube (3) connects with the thermal treatment zone；
Described supporting mechanism is multiple, and each supporting mechanism all includes base station (8), supports wheel (6) and sprocket wheel (5), wherein supports wheel (6) and is fixed on base station (8) and is connected with main electric rotating machine；Sprocket wheel (5) is socketed on body of heater (9), and described support takes turns (6) and sprocket wheel (5) engaged transmission.
2. the heating in medium frequency calcining furnace as described in claim 1, it is characterised in that: described induction coil (4) uses copper pipe coiling, water flowing cooling in this copper pipe.
3. the heating in medium frequency calcining furnace as described in claim 1, it is characterised in that: it is provided with furnace lining between thermal treatment zone part and the induction coil (4) of described body of heater (9).
4. the heating in medium frequency calcining furnace as described in claim 1, it is characterized in that: described feeding mechanism (1) includes feed hopper and feeding screw (10), one end of described feeding screw (10) is connected with feed hopper, and the other end is tightly connected with one end of described revolution boiler tube (3).
5. the heating in medium frequency calcining furnace as described in claim 1, it is characterised in that: described revolution boiler tube (3) rear and front end inwall is provided with knocking device.
6. the heating in medium frequency calcining furnace as described in claim 1, it is characterised in that: described body of heater (9) rear and front end is equipped with sealing mechanism.
7. the heating in medium frequency calcining furnace as described in claim 1, it is characterized in that: close feeding mechanism (1) one end of described body of heater (9) preheating zone be arranged over air vent (2), described body of heater (9) is provided with prevent turn round boiler tube (9) at high temperature stall manual setter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310365246.4A CN104422274B (en) | 2013-08-19 | 2013-08-19 | A kind of heating in medium frequency calcining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310365246.4A CN104422274B (en) | 2013-08-19 | 2013-08-19 | A kind of heating in medium frequency calcining furnace |
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| Publication Number | Publication Date |
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| CN104422274A CN104422274A (en) | 2015-03-18 |
| CN104422274B true CN104422274B (en) | 2016-09-28 |
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| CN201310365246.4A Expired - Fee Related CN104422274B (en) | 2013-08-19 | 2013-08-19 | A kind of heating in medium frequency calcining furnace |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105258497B (en) * | 2015-09-28 | 2017-04-12 | 安徽冠华黄金科技有限公司 | Electromagnetic heating reaction kettle rotary kiln with high stability |
| CN108225024B (en) * | 2018-03-15 | 2023-09-19 | 重庆科技学院 | Rotary experiment furnace for continuous waste treatment |
| CN108500058B (en) * | 2018-04-11 | 2020-05-26 | 中国科学院沈阳应用生态研究所 | Sealed heat-preservation type rotary bioreactor |
| CN109442983A (en) * | 2018-11-01 | 2019-03-08 | 中国恩菲工程技术有限公司 | Rotary furnace |
| CN110530147A (en) * | 2019-07-30 | 2019-12-03 | 佛山市天禄智能装备科技有限公司 | A kind of high-temperature rotary furnace for the production of lithium battery anode high-nickel material continuous production |
| CN111750668B (en) * | 2020-07-08 | 2022-01-25 | 郑州三迪建筑科技有限公司 | Feeding method of drum type calcining furnace |
| CN114623680A (en) * | 2022-03-17 | 2022-06-14 | 南京利卡维智能科技有限公司 | High-efficiency energy-saving automatic hot air rotary furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1049486C (en) * | 1994-11-16 | 2000-02-16 | 王群 | Variable-pitch internal spiral rotating heat treatment furnace pipe |
| CN2709902Y (en) * | 2004-07-27 | 2005-07-13 | 西安秦翔科技有限责任公司 | High soluble molybdenum oxide heating device |
| JP5235308B2 (en) * | 2007-01-25 | 2013-07-10 | 三菱重工環境・化学エンジニアリング株式会社 | Externally heated rotary kiln |
| CN201522187U (en) * | 2009-05-22 | 2010-07-07 | 林鹏 | Middle frequency induction horizontal rotation heating furnace |
| CN202915705U (en) * | 2012-10-16 | 2013-05-01 | 梁敏华 | Energy saving electromagnetic oven heated by aluminum profile extruding aluminum bars |
| CN103134307A (en) * | 2013-03-18 | 2013-06-05 | 古晓跃 | Electromagnetic induction heating rotary kiln |
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