CN104422274A - Medium-frequency heating calcinator - Google Patents
Medium-frequency heating calcinator Download PDFInfo
- Publication number
- CN104422274A CN104422274A CN201310365246.4A CN201310365246A CN104422274A CN 104422274 A CN104422274 A CN 104422274A CN 201310365246 A CN201310365246 A CN 201310365246A CN 104422274 A CN104422274 A CN 104422274A
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- heater
- heating
- boiler tube
- calcining furnace
- medium frequency
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 230000006698 induction Effects 0.000 claims description 20
- 238000001354 calcination Methods 0.000 claims description 18
- 238000007669 thermal treatment Methods 0.000 claims description 18
- 239000000463 material Substances 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 4
- 239000010949 copper Substances 0.000 claims description 4
- 150000001879 copper Chemical class 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-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
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 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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- Furnace Details (AREA)
Abstract
The invention relates to the technical field of calcinators, and specifically relates to a medium-frequency heating calcinator. The medium-frequency heating calcinator comprises a calcinator body, a supporting mechanism, a feeding mechanism, a discharging bin, a temperature control system and a cooling system; the calcinator body is arranged on the supporting mechanism; a feeding opening and a discharging opening are respectively arranged in two ends of the calcinator body; the feeding mechanism is arranged at the feeding port in one end of the calcinator body, and while the discharging bin is arranged at the discharging port in the other end of the calcinator body; a medium-frequency sensing heating device is arranged at the outer part of the calcinator body. The medium-frequency heating calcinator is uniform to heat and easy to be controlled, few impurities are produced, and the produced product is high in quality.
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, makes the energy with natural gas, oil, electricity and coal, and recovery rare metal, Catalyst Production, environmental protect, produces the equipment of extraordinary chemicals.Because environmental requirement and coal appreciate, not only do not meet environmental requirement with coking coal heating, and price and also very uneconomical economically.Heat unbalanced, wayward, the product quality produced is not high, impurity is many simultaneously.Along with the develop rapidly of China's process of industrialization, eddy-current heating field is also in fast development.Put as induction technology is reasonably applied on calcining technology, above defect can be overcome.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of heating in medium frequency calcining furnace, this calcining furnace homogeneous heating, easy to control, impurity is few, 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, comprise body of heater, supporting mechanism, feeding mechanism, discharging bin, temperature control system and cooling system, wherein body of heater is arranged on supporting mechanism, the two ends of body of heater are respectively equipped with charging aperture and discharging opening, described feeding mechanism is arranged on the charging aperture place of body of heater one end, and described discharging bin is arranged on the discharge outlet of the body of heater other end; Described body of heater outside is provided with intermediate frequency induction heating device.
Described body of heater comprises preheating zone, the thermal treatment zone and cooling zone, and wherein preheating zone is connected with feeding mechanism, and the thermal treatment 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 comprises control cabinet and induction coil, and wherein induction coil is centered around the outside, the thermal treatment zone of body of heater and is electrically connected with control cabinet.Described induction coil adopts bobbin coiling, water flowing cooling in this copper pipe.Furnace lining is provided with between the thermal treatment zone part of described body of heater and induction coil.
Be provided with the revolution boiler tube of the axis reciprocating rotating odd-times being parallel to body of heater in described preheating zone, the inwall of this revolution boiler tube is provided with the rotating screw blade that material can be driven to advance; The Single port of described revolution boiler tube passes charging aperture by the center of body of heater and is connected with feeding mechanism, revolution boiler tube the other end be communicated with the thermal treatment zone.
Described feeding mechanism comprises feed hopper and feeding screw, and one end of described feeding screw is connected with feed hopper, and one end of the other end and described revolution boiler tube is tightly connected.Described revolution boiler tube rear and front end inwall is provided with knocking device.
Described supporting mechanism is multiple, and each supporting mechanism includes base station, support wheel and sprocket wheel, and wherein support wheel to be fixed on base station and to be connected with main electric rotating machine; Sprocket wheel is socketed on body of heater, described support wheel and sprocket engagement transmission.Described body of heater rear and front end is equipped with sealing mechanism.
The top of close feeding mechanism one end of described body of heater preheating zone is provided with exhaust outlet, described body of heater is provided with the manual setter preventing from 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 that is 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 continuous seepage, output high.Constantly can throw in material, not affect by extraneous factor.
4. the present invention makes full use of heat energy, and the thermal efficiency is high.
5. environmental protection and energy saving of the present invention, low-carbon (LC).
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A sectional view in Fig. 1.
Wherein: 1 is feeding mechanism, 2 is exhaust outlet, and 3 is revolution boiler tube, and 4 is induction coil, and 5 is sprocket wheel, and 6 is support 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
Below in conjunction with accompanying drawing, the invention will be further described.
As 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 be round as a ball by the iron plate that 8mm is thick after the revolving body that is welded into be arranged on supporting mechanism, the two ends of body of heater 9 are respectively equipped with charging aperture and discharging opening, and charging aperture is higher than discharging opening.Feeding mechanism 1 is arranged on the charging aperture place of body of heater 9 one end, and discharging bin 7 is arranged on the discharge outlet of the body of heater other end; Feeding mechanism 1 comprises by the feeding screw 10 of charging driven by motor and feed hopper, and feed hopper adopts stainless steel material to be made, and feeding screw 10 is that DC speed regulation controls charging rate, and the power of charging motor is 1.1kw.Discharging bin adopts stainless steel material to be made, and for convenience of observing discharging situation, arranges two dust-proof observation windows on discharging bin top.
Body of heater 9 comprises preheating zone, the thermal treatment zone and cooling zone, and wherein preheating zone is connected with feeding screw 10, and 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 outside is provided with intermediate frequency induction heating device, and this intermediate frequency induction heating device comprises control cabinet and induction coil 4, and wherein induction coil 4 is centered around the outside of body of heater 9 thermal treatment zone and is electrically connected with control cabinet.Described control cabinet is prior art, is inside provided with IGCT, reactor, electric capacity, air switch, breaker, radiator, solid-state relay, frequency converter, intelligent temperature controller and alarm lamp etc.Control cabinet door-plate are furnished with medium frequency voltmeter, ammeter, moisture recorder, the control table of 2nd district, equipment speed of gyration table, speed of agitator table, button and knob etc.Described control cabinet is prior art.Induction coil 4 adopt long for 100mm, wide for 25mm, wall thickness be the square copper pipe coiling of 2.5mm, water flowing cooling in this copper pipe; Be provided with furnace lining between the thermal treatment zone part of body of heater 9 and induction coil 4, this furnace lining adopts Beijing will to contain prestige China ZS-811 high-temperature resistant coating ramming, and this coating can not be out of shape, ftracture, surface temperature normal temperature.
The inboard wall of furnace body of described preheating zone is fixed with revolution boiler tube 3 by steel construction, described revolution boiler tube 3 is parallel to the axis reciprocating rotating odd-times of body of heater 9 by a pipe, makes Single port pass charging aperture by the center of body of heater 9 and be tightly connected by graphite packing and feeding screw 10.The other end of revolution boiler tube 3 is communicated with the thermal treatment zone, is provided with the helical blade that material can be driven to advance in revolution boiler tube 3.Before and after revolution boiler tube 3 adopts, steel structure support is fixed in body of heater 9, and adopts the thick 310s corrosion resistant plate for 12mm to be made into tubular construction, for ease of powder thermally equivalent.Turn round in boiler tube 3 knocking device of material collophore wall of setting up defences, i.e. flight.Flight is arranged on the front and back input and output material end of revolution boiler tube 3, and beat is 3 times/turns; For preventing the at high temperature stall of revolution boiler tube 3 from causing distortion and feeding screw stall to cause stopping feed, body of heater 9 is provided with manual setter, under power-off condition, operating personnel take emergent manual rocking-turn revolution boiler tube 3.
As shown in Figure 2, the charging aperture of revolution boiler tube 3 is positioned at the axle center of body of heater 9, revolution boiler tube 3 with this axle center be the center of circle, diameter be 380mm circumferentially even reciprocating rotating odd-times, another port is placed in the thermal treatment zone.The diameter of revolution boiler tube is 159mm.Revolution boiler tube 3 also can be made up of the boiler tube that odd number is isometric, one of them boiler tube is arranged at the central axis of body of heater 9, it is circumferentially same that all the other boiler tubes are distributed in parallel to each other centered by the central shaft of body of heater 9, and adjacent two pipes are joined end to end successively by bend pipe, form the boiler tube of a reciprocating rotating.
Described supporting mechanism comprises base station 8, support wheel 6 and sprocket wheel 5, and wherein support wheel 6 to be fixed on base station 8 and to be connected with main electric rotating machine, and this main electric rotating machine power is 7.5kw; Sprocket wheel 5 is socketed on body of heater 9, and described support wheel 6 and sprocket wheel 5 engaged transmission, the present embodiment adopts fourth officer transmission, and the speed of gyration of body of heater 9 is 0 ~ 6 rev/min.Base station 8 is cement base station, height be 1000mm, long for 1300mm, wide be 800mm; Support wheel 6 is taken turns for round, and fourth officer i.e. eight wheels support body of heater 9 altogether; Support wheel 6 and sprocket wheel 5 all adopt 45# steel.
Body of heater 9 rear and front end is equipped with sealing mechanism, and sealing mechanism adopts stainless steel material to be made, and selects international advanced sealing mechanism, still keeping good sealing by thermal stretching and micro-deformation, can protect air pressure certain in stove; The end, preheating zone of body of heater 9 is provided with exhaust outlet 2, and this exhaust outlet 2 discharges the aqueous vapor and waste gas that produce in roasting process in time.
Temperature-controlling system is placed in described control cabinet, adopts SCR control, and preparation has PID function instrument, multiband digital display meter, has overtemperature sound and light of alarm.Instrument used is Honeywell brand, and electric elements adopt ohm grand or execute moral brand, and automatically controlled screen case makes 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 be 16500mm, high for 2500mm, wide be 1500mm, wherein heating is long is 10000mm, diameter 610mm, and the cooling head of district is 2000mm.Cooling system is connected with cooling zone, makes take advantage of casing of stainless steel materials, adopts air blast quenching mode, makes discharging powder lower the temperature out.
The course of work of the present invention:
First start feeding screw 10, material pushed in revolution boiler tube 3, then start the main electric rotating machine controlling body of heater 9 rotating speed, make material under the conveying of feeding screw 10 in revolution boiler tube 3 reciprocating rotating.Carry out preheating under the radiation of the high temperature hot gas produced in the thermal treatment zone, discharged the aqueous vapor and waste gas that produce in roasting process by exhaust outlet 2 in time.Described main electric rotating machine is variable-frequency motor, regulates the rotary speed of body of heater 9 according to technological requirement; Material through preheating out enters the thermal treatment zone from revolution boiler tube 3 and heats, and temperature reached 900 DEG C at 30 minutes and controls at >=900 DEG C, and temperature is controlled by control cabinet.Support wheel 6 rotates under the driving of main electric rotating machine, and body of heater 9 is rotated by sprocket wheel 5 and support wheel 6 engaged transmission, and speed of gyration is 0 ~ 6 rev/min.The material reaching technological requirement finally enters cooling zone, carries out air cooling by air blast, then is got rid of by discharging bin 7 by the material of cooling.
Claims (10)
1. a heating in medium frequency calcining furnace, it is characterized in that: comprise 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, the two ends of body of heater (9) are respectively equipped with charging aperture and discharging opening, described feeding mechanism (1) is arranged on the charging aperture place 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) outside is provided with intermediate frequency induction heating device.
2. by heating in medium frequency calcining furnace according to claim 1, it is characterized in that: described body of heater (9) comprises preheating zone, the thermal treatment zone and cooling zone, wherein preheating zone is connected with feeding mechanism (1), 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 comprises control cabinet and induction coil (4), and wherein induction coil (4) is centered around the outside, the thermal treatment zone of body of heater (9) and is electrically connected with control cabinet.
3. by heating in medium frequency calcining furnace according to claim 2, it is characterized in that: described induction coil (4) adopts bobbin coiling, water flowing cooling in this copper pipe.
4., by heating in medium frequency calcining furnace according to claim 2, it is characterized in that: between the thermal treatment zone part of described body of heater (9) and induction coil (4), be provided with furnace lining.
5. by heating in medium frequency calcining furnace according to claim 2, it is characterized in that: the revolution boiler tube (3) being provided with 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) passes charging aperture by the center of body of heater (9) and is connected with feeding mechanism (1), revolution boiler tube (3) the other end be communicated with the thermal treatment zone.
6. by the heating in medium frequency calcining furnace described in claim 1 or 5, it is characterized in that: described feeding mechanism (1) comprises feed hopper and feeding screw (10), one end of described feeding screw (10) is connected with feed hopper, and one end of the other end and described revolution boiler tube (3) is tightly connected.
7., by heating in medium frequency calcining furnace according to claim 5, it is characterized in that: described revolution boiler tube (3) rear and front end inwall is provided with knocking device.
8. by heating in medium frequency calcining furnace according to claim 1, it is characterized in that: described supporting mechanism is multiple, each supporting mechanism includes base station (8), support wheel (6) and sprocket wheel (5), and to be wherein fixed on base station (8) upper and be connected with main electric rotating machine for support wheel (6); Sprocket wheel (5) is socketed on body of heater (9), described support wheel (6) and sprocket wheel (5) engaged transmission.
9., by heating in medium frequency calcining furnace according to claim 1, it is characterized in that: described body of heater (9) rear and front end is equipped with sealing mechanism.
10. by heating in medium frequency calcining furnace according to claim 1, it is characterized in that: the top of close feeding mechanism (1) one end of described body of heater (9) preheating zone is provided with exhaust outlet (2), described body of heater (9) is provided with the manual setter preventing from turning round boiler tube (9) at high temperature stall.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104422274A true CN104422274A (en) | 2015-03-18 |
| CN104422274B CN104422274B (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310365246.4A Expired - Fee Related CN104422274B (en) | 2013-08-19 | 2013-08-19 | A kind of heating in medium frequency calcining furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN104422274B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258497A (en) * | 2015-09-28 | 2016-01-20 | 安徽冠华黄金科技有限公司 | Electromagnetic heating reaction kettle rotary kiln with high stability |
| CN108225024A (en) * | 2018-03-15 | 2018-06-29 | 重庆科技学院 | Waste continuous processing rotation test stove |
| CN108500058A (en) * | 2018-04-11 | 2018-09-07 | 中国科学院沈阳应用生态研究所 | A kind of sealing thermal insulation formula revolution 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 |
| CN111750668A (en) * | 2020-07-08 | 2020-10-09 | 郑州三迪建筑科技有限公司 | Feeding method of drum type calcining furnace |
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| JP2008180451A (en) * | 2007-01-25 | 2008-08-07 | Mitsubishi Heavy Ind Ltd | External heating type rotary kiln and its operating method |
| 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 |
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- 2013-08-19 CN CN201310365246.4A patent/CN104422274B/en not_active Expired - Fee Related
Patent Citations (6)
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| CN1123906A (en) * | 1994-11-16 | 1996-06-05 | 王群 | Variable-pitch internal spiral rotating heat treatment furnace pipe |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258497A (en) * | 2015-09-28 | 2016-01-20 | 安徽冠华黄金科技有限公司 | Electromagnetic heating reaction kettle rotary kiln with high stability |
| 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 |
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| CN108500058A (en) * | 2018-04-11 | 2018-09-07 | 中国科学院沈阳应用生态研究所 | A kind of sealing thermal insulation formula revolution bioreactor |
| 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 |
| CN111750668A (en) * | 2020-07-08 | 2020-10-09 | 郑州三迪建筑科技有限公司 | Feeding method of drum type calcining furnace |
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| Publication number | Publication date |
|---|---|
| CN104422274B (en) | 2016-09-28 |
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Granted publication date: 20160928 |