CN105953575A - Self-detection indirect heating type rotary furnace - Google Patents
Self-detection indirect heating type rotary furnace Download PDFInfo
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- CN105953575A CN105953575A CN201610467973.5A CN201610467973A CN105953575A CN 105953575 A CN105953575 A CN 105953575A CN 201610467973 A CN201610467973 A CN 201610467973A CN 105953575 A CN105953575 A CN 105953575A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/10—Rotary-drum furnaces, i.e. horizontal or slightly inclined internally heated, e.g. by means of passages in the wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/14—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
Abstract
The invention relates to a self-detection indirect heating type rotary furnace. The rotary furnace comprises a furnace tube, a heating hearth, a feeding system, a discharging system, a drive system and an electrical control system and is characterized in that the heating hearth is located in the middle inside the furnace tube, one end of the furnace tube is connected with the feeding system, the other end of the furnace tube is connected with the discharging system, the feeding system conveys materials to the heating furnace through a feeding spiral conveying mechanism, and transportation force is provided through the drive system; electric heating elements are evenly arranged at the bottom of the heating furnace, a hot air system is further arranged in the heating furnace through a bending type pipeline, a temperature control detection instrument is arranged inside the heating furnace, heating and heat supply are controlled through the electrical control system, and after being heated, the materials are discharged through the discharging system; and according to the rotary furnace, under the isolation state, the materials are indirectly dried and heated, heat treatment performance is good, production efficiency is high, the service life is long, the beneficial effects of being high in production capacity, high in mechanization degree and easy to maintain and operate are achieved, and the requirements of energy saving and environment friendliness are met.
Description
Technical field
The present invention relates to a kind of loose unpacked material drying, heating rotary stove, particularly relate to a kind of indirect heating type rotary furnace carried out by the mode such as electrical heating elements or high-temperature flue gas.
Background technology
Rotary furnace is mainly used in solid particulate, the drying of granular material, heat treated, and rotary furnace formula is generally divided into external-heat and internal heat type two kinds.
Internal-heated rotary furnace is in thermal source enters furnace tube to heat material, heating in high-temperature flue gas enters furnace tube after generally fuel enters furnace tube burning and burning, add thermal medium directly to contact with material, meeting contaminated material, make material subsequent treatment process add difficulty, the ash of material can be increased as done fuel with coal.Additionally flue gas directly washes away material, the chemical reaction of heating process may be produced impact.
Although existing external heat type rotary furnace overcomes the disadvantages mentioned above of internal-heated rotary furnace, but existing external heat type rotary furnace is the direct combustion heating of heating furnace, still can there is furnace tube to be heated uneven situation, reduce rotary furnace thermal efficiency, and the more difficult control of combustion process, burning insufficient causing may waste the energy, the carbon monoxide of generation enters air and also pollutes the environment.
Rotary furnace uses the i.e. Resistant heating mode of electrical heating elements, and resistance wire is arranged in bottom heating furnace and side, after resistance wire damages, need to lower the temperature and could change after blowing out, and need again to heat up after changing, lose time, the waste energy, inconvenient maintenance, reduce production efficiency.And in prior art, the mode of heating of rotary furnace is single, in the case of providing thermal source limited or thermal source instability is provided, impact is produced, cause production line to quit work, production efficiency will be had a strong impact on.Meanwhile, prior art once goes wrong or heats uneven, needs manual detection to keep in repair, extremely inconvenient, it is impossible to automatically arranges burner hearth local to be rapidly heated, accomplishes overall homogeneous heating.
Summary of the invention
In order to solve above-mentioned series of problems, it is desirable to provide a kind of Autonomous test indirect heating type rotary furnace, use the heating of electrical heating elements indirect type or the heating of high-temperature flue gas indirect type, by arranging temperature control detector, furnace tube is made to be heated evenly, achieve heating region temperature continuous-stable, reach two kinds of mode of heatings and be switched fast at any time, it is to avoid owing to thermal source fault causes the situation of rotary furnace cooling shutdown maintenance.
To achieve these goals, technical scheme is as follows:
A kind of Autonomous test indirect heating type rotary furnace, including furnace tube, heating furnace, feed system, discharge system, drive system, electric control system, it is characterized in that, heating furnace is positioned at the middle part within furnace tube, one end of furnace tube connects feed system, the other end connects discharge system, feed system transports material to heating furnace by feeding serew conveyer, transport capacity is provided by drive system, heating furnace bottom even arranges electrical heating elements, hot-air system is had also by bending type pipe arrangement in heating furnace, temperature control detector is set inside heating furnace, carry out Based Intelligent Control by electric control system and add gentle heat supply, by discharge system discharging after material heating.
Further, described Autonomous test indirect heating type rotary furnace is electric and gas dual purpose rotary furnace, thermal source uses electrical heating elements or the heating of high-temperature flue gas indirect type, furnace tube is made to be heated evenly, achieve heating region temperature continuous-stable, reach two kinds of mode of heatings to be switched fast at any time, it is to avoid owing to thermal source fault causes the situation of rotary furnace cooling shutdown maintenance.
Further, described Autonomous test indirect heating type rotary furnace is indirect type heating, under state of isolation, material can be carried out indirect type drying, heating, it is to avoid thermal source directly contacts the negative effect caused with material.
Further, described Autonomous test indirect heating type rotary furnace is with temperature control detector, temperature control detector is by the temperature difference in heating furnace difference interval, it is automatically adjusted the heating intensity of the electrical heating elements of respective bins, or it is automatically adjusted hot-air system and the cross-reference of electrical heating elements and keying so that it is consistent that the temperature difference in each interval realizes equilibrium.
Further, the electrical heating elements of described Autonomous test indirect heating type rotary furnace is spiral resistance wire, is evenly arranged in bottom heating furnace, can be directly sleeved on high temperature resistant sleeve pipe, add Resistant heating scope, it is ensured that heat affected zone temperature stabilization is uniform.Here resistance wire makes helix shape, is directly sleeved on outside the high temperature resistant sleeve pipe that refractory material makes, and sleeve pipe is installed to heating furnace resistance wire maintenance window again.The exit refractory ceramic fibre of resistance wire insulate with furnace shell and seals, and exit metal connection plate is connected with bus-bar.Resistance wire maintenance window is also arranged, it is ensured that production process can not carry out blowing out replacing resistance wire of lowering the temperature, be greatly shortened the replacing construction of electrical heating elements, improve production efficiency in heating furnace side.
Further, the hot-air system of described Autonomous test indirect heating type rotary furnace is the heating of high-temperature flue gas indirect type, after Combustion of Hot Air Furnace natural gas, high-temperature flue gas is introduced heating furnace furnace tube is uniformly heated, air stove arranges temperature control system, can be according to technological requirement regulation heating-up temperature needed for applicable operating mode.Here hot-air system is to arrange in heating furnace, and a point 1-3 pipeline enters burner hearth, it is ensured that in heating furnace, heat smoke is uniformly distributed.Hot-air system is provided with hot-air system valve, hot-air system valve can be closed when using electrical heating elements heating.Air stove and hot-air system are all incubated with refractory ceramic fibre or refractory brick, prevent thermal loss.
Further, described Autonomous test indirect heating type rotary furnace, furnace tube outer wall is provided with spiral spoiler, the hand of spiral is contrary with furnace tube direction of rotation, high-temperature flue gas can be made to enter around furnace tube outer wall spiral rotating after heating furnace, increase heated time, improve thermal efficiency.
Further, described Autonomous test indirect heating type rotary furnace, exhanst gas outlet is set at furnace tube outer wall top, enters after being drawn by air-introduced machine after smoke processing system is administered and discharge.
Further, described Autonomous test indirect heating type rotary furnace, furnace tube inwall is provided with arc copy plate, in furnace tube rotary course, material can be carried out circumferencial direction upset, make material move up and down in furnace tube cross section, and make material be heated evenly, improve the efficiency of heating surface.
Further, the feed system of described Autonomous test indirect heating type rotary furnace includes feeding serew conveyer, feed end protective cover, dynamic sealing device.
Further, the discharge system of described Autonomous test indirect heating type rotary furnace includes discharge bucket, discharge end protective cover, dynamic sealing device.
Further, the drive system of described Autonomous test indirect heating type rotary furnace, including driving means, gear wheel, wheel belt, support roller and gear wheel, gear wheel is provided with gear wheel protective cover, prevents granule, dust from causing abrasion after entering gear.Gear wheel is connected with furnace tube bolt by steel plate, it is to avoid gear causes expanding with heat and contract with cold after furnace tube direct contact heat transfer, thus substantially increases service life of equipment.Wheel belt is also to be connected with furnace tube bolt by steel plate, it is to avoid wheel belt causes expanding with heat and contract with cold after furnace tube direct contact heat transfer, thus substantially increases service life of equipment.
One of great innovation of the present invention is electrical heating elements or high-temperature flue gas indirect type mode of heating are passed through space layout and ingehious design, merge formation electric and gas dual purpose indirect type heating rotary stove, achieve the innovation of structure and the variation of thermal source, heating region temperature continuous-stable can be realized, reach two kinds of mode of heatings and be switched fast at any time.Break down or fault need to overhaul once run into electrical heating elements, the heating of high-temperature flue gas indirect type can be switched to immediately, or need to overhaul once run into air stove fault, combustion gas fault, hot-air system fault etc., electrical heating elements can be switched to immediately indirectly to heat, it is to avoid owing to thermal source fault causes the situation of rotary furnace cooling shutdown maintenance.
Another great innovation is to belong to Autonomous test indirect heating type rotary furnace, the intellectuality of whole system is realized by arranging temperature control detector, can be by the temperature difference in heating furnace difference interval, it is automatically adjusted the heating intensity of the electrical heating elements of respective bins, or it is automatically adjusted hot-air system and the cross-reference of electrical heating elements and keying so that it is consistent that the temperature difference in each interval realizes equilibrium.
Additionally, the prior art that the present invention is different from the past, it is also provided with resistance wire maintenance window, resistance wire replacing can be carried out in the case of blowing out of not lowering the temperature, and resistance wire is fabricated to helical form and is enclosed within high temperature resistant sleeve pipe, add Resistant heating scope, make rotary furnace be heated evenly and stable operation.
Beneficial effects of the present invention is for can be used for, under state of isolation, material is carried out indirect type drying, heating, and heat treatment performance is good, and production efficiency is high, service life is long, has production capacity big, and mechanization degree is high, the simple feature of attended operation, has sufficiently achieved the requirement of energy-conserving and environment-protective.
Accompanying drawing explanation
Accompanying drawing 1 is overall structure schematic diagram of the present invention.
Accompanying drawing 2 is drive system sectional view of the present invention.
Accompanying drawing 3 is heating furnace sectional view of the present invention.
Accompanying drawing 4 is that gear wheel of the present invention connects enlarged drawing.
Accompanying drawing 5 is air stove schematic diagram of the present invention.
Wherein, 1 furnace tube, 2 heating furnaces, 3 feed systems, 4 discharge systems, 5 gear wheels, 6 driving means, 7 wheel belt, 8 support rollers, 9 gear wheels, 10 electrical heating elements, 11 hot-air systems, 12 bases, 13 air stovees, 14 arc copy plates, 15 spiral spoilers, 16 furnace shells, 17 heating furnace insulation materials, 18 resistance wire maintenance window, 19 resistance wires, 20 high temperature resistant sleeve pipes, 21 hot-air system valves, 22 securing members, 23 steel plates, 24 exhanst gas outlets, 25 feeding serew conveyers, 26 feed end protective covers, 27 dynamic sealing devices, 28 discharge end protective covers, 29 discharge buckets.
Detailed description of the invention
Below in conjunction with the accompanying drawings the specific embodiment of the invention is described in further detail.
Specific embodiment one
A kind of Autonomous test indirect heating type rotary furnace, including furnace tube 1, heating furnace 2, feed system 3, discharge system 4, drive system, electric control system, it is characterized in that, heating furnace 2 is positioned at the middle part within furnace tube 1, one end of furnace tube 1 connects feed system 3, the other end connects discharge system 4, feed system 3 transports material to heating furnace 2 by feeding serew conveyer 25, transport capacity is provided by drive system, heating furnace 2 bottom even arranges electrical heating elements, hot-air system 11 is had also by bending type pipe arrangement in heating furnace 2, heating furnace 2 is internal arranges temperature control detector, carry out Based Intelligent Control by electric control system and add gentle heat supply, by discharge system 4 discharging after material heating.
Further, described Autonomous test indirect heating type rotary furnace is electric and gas dual purpose rotary furnace, thermal source uses electrical heating elements or the heating of high-temperature flue gas indirect type, furnace tube 1 is made to be heated evenly, achieve heating region temperature continuous-stable, reach two kinds of mode of heatings to be switched fast at any time, it is to avoid owing to thermal source fault causes the situation of rotary furnace cooling shutdown maintenance.
Further, described Autonomous test indirect heating type rotary furnace is indirect type heating, under state of isolation, material can be carried out indirect type drying, heating, it is to avoid thermal source directly contacts the negative effect caused with material.
Further, described Autonomous test indirect heating type rotary furnace is with temperature control detector, temperature control detector, by the different interval temperature difference of heating furnace 2, is automatically adjusted the heating intensity of the electrical heating elements of respective bins so that it is consistent that the temperature difference in each interval realizes equilibrium.
Further, the electrical heating elements of described Autonomous test indirect heating type rotary furnace is spiral resistance wire 19, is evenly arranged in bottom heating furnace 2, can be directly sleeved on high temperature resistant sleeve pipe 20, add resistance wire 19 heated perimeter, it is ensured that heat affected zone temperature stabilization is uniform.Here resistance wire 19 makes helix shape, is directly sleeved on outside the high temperature resistant sleeve pipe 20 that refractory material makes, and sleeve pipe is installed to the resistance wire maintenance window 18 of heating furnace 2 again.The exit refractory ceramic fibre of resistance wire 19 insulate with furnace shell and seals, and exit metal connection plate is connected with bus-bar.Resistance wire maintenance window 18 is also arranged, it is ensured that production process can not carry out blowing out replacing resistance wire 19 of lowering the temperature, be greatly shortened the replacing construction of electrical heating elements, improve production efficiency in heating furnace 2 side.
Further, the hot-air system of described Autonomous test indirect heating type rotary furnace is the heating of high-temperature flue gas indirect type, burn after natural gas by air stove 13, high-temperature flue gas introduces heating furnace 2 furnace tube 1 is uniformly heated, air stove 13 arranges temperature control system, can be according to technological requirement regulation heating-up temperature needed for applicable operating mode.Here hot-air system is to arrange in heating furnace 2, and point 1 pipeline enters burner hearth, it is ensured that in heating furnace 2, heat smoke is uniformly distributed.Hot-air system is provided with hot-air system valve 21, hot-air system valve 21 can be closed when using electrical heating elements heating.Air stove 13 and hot-air system are all incubated with refractory ceramic fibre or refractory brick, prevent thermal loss.
Further, described Autonomous test indirect heating type rotary furnace, furnace tube 1 outer wall is provided with spiral spoiler 15, the hand of spiral is contrary with furnace tube 1 direction of rotation, high-temperature flue gas can be made to enter around furnace tube 1 outer wall spiral rotating after heating furnace 2, increase heated time, improve thermal efficiency.
Further, described Autonomous test indirect heating type rotary furnace, exhanst gas outlet 24 is set at furnace tube 1 outer wall top, enters after being drawn by air-introduced machine after smoke processing system is administered and discharge.
Further, described Autonomous test indirect heating type rotary furnace, furnace tube 1 inwall is provided with arc copy plate 14, in furnace tube 1 rotary course, material can be carried out circumferencial direction upset, make material move up and down in furnace tube 1 cross section, and make material be heated evenly, improve the efficiency of heating surface.
Further, the feed system 3 of described Autonomous test indirect heating type rotary furnace includes feeding serew conveyer 25, feed end protective cover 26, dynamic sealing device 27.
Further, the discharge system of described Autonomous test indirect heating type rotary furnace includes discharge bucket 29, discharge end protective cover 28, dynamic sealing device 27.
Further, the drive system of described Autonomous test indirect heating type rotary furnace, including driving means 6, gear wheel 5, wheel belt 7, support roller 8 and gear wheel 9, gear wheel 5 is provided with gear wheel protective cover, prevents granule, dust from causing abrasion after entering gear.Gear wheel 5 is connected with furnace tube 1 bolt by steel plate 23, it is to avoid gear causes expanding with heat and contract with cold after furnace tube 1 direct contact heat transfer, thus substantially increases service life of equipment.Wheel belt 7 is also to be connected with furnace tube bolt by steel plate 23, it is to avoid wheel belt 7 causes expanding with heat and contract with cold after furnace tube 1 direct contact heat transfer, thus substantially increases service life of equipment.
Specific embodiment two
A kind of Autonomous test indirect heating type rotary furnace, including furnace tube 1, heating furnace 2, feed system 3, discharge system 4, drive system, electric control system, it is characterized in that, heating furnace 2 is positioned at the middle part within furnace tube 1, one end of furnace tube 1 connects feed system 3, the other end connects discharge system 4, feed system 3 transports material to heating furnace 2 by feeding serew conveyer 25, transport capacity is provided by drive system, heating furnace 2 bottom even arranges electrical heating elements, hot-air system 11 is had also by bending type pipe arrangement in heating furnace 2, heating furnace 2 is internal arranges temperature control detector, carry out Based Intelligent Control by electric control system and add gentle heat supply, by discharge system 4 discharging after material heating.
Further, described Autonomous test indirect heating type rotary furnace is electric and gas dual purpose rotary furnace, thermal source uses electrical heating elements or the heating of high-temperature flue gas indirect type, furnace tube 1 is made to be heated evenly, achieve heating region temperature continuous-stable, reach two kinds of mode of heatings to be switched fast at any time, it is to avoid owing to thermal source fault causes the situation of rotary furnace cooling shutdown maintenance.
Further, described Autonomous test indirect heating type rotary furnace is indirect type heating, under state of isolation, material can be carried out indirect type drying, heating, it is to avoid thermal source directly contacts the negative effect caused with material.
Further, described Autonomous test indirect heating type rotary furnace is with temperature control detector, temperature control detector, by the different interval temperature difference of heating furnace 2, is automatically adjusted hot-air system 11 and the cross-reference of electrical heating elements and keying so that it is consistent that the temperature difference in each interval realizes equilibrium.
Further, the electrical heating elements of described Autonomous test indirect heating type rotary furnace is spiral resistance wire 19, is evenly arranged in bottom heating furnace 2, can be directly sleeved on high temperature resistant sleeve pipe 20, add resistance wire 19 heated perimeter, it is ensured that heat affected zone temperature stabilization is uniform.Here resistance wire 19 makes helix shape, is directly sleeved on outside the high temperature resistant sleeve pipe 20 that refractory material makes, and sleeve pipe is installed to the resistance wire maintenance window 18 of heating furnace 2 again.The exit refractory ceramic fibre of resistance wire 19 insulate with furnace shell and seals, and exit metal connection plate is connected with bus-bar.Resistance wire maintenance window 18 is also arranged, it is ensured that production process can not carry out blowing out replacing resistance wire 19 of lowering the temperature, be greatly shortened the replacing construction of electrical heating elements, improve production efficiency in heating furnace 2 side.
Further, the hot-air system of described Autonomous test indirect heating type rotary furnace is the heating of high-temperature flue gas indirect type, burn after natural gas by air stove 13, high-temperature flue gas introduces heating furnace 2 furnace tube 1 is uniformly heated, air stove 13 arranges temperature control system, can be according to technological requirement regulation heating-up temperature needed for applicable operating mode.Here hot-air system is to arrange in heating furnace 2, and point 3 pipelines enter burner hearth, it is ensured that in heating furnace 2, heat smoke is uniformly distributed.Hot-air system is provided with hot-air system valve 21, hot-air system valve 21 can be closed when using electrical heating elements heating.Air stove 13 and hot-air system are all incubated with refractory ceramic fibre or refractory brick, prevent thermal loss.
Further, described Autonomous test indirect heating type rotary furnace, furnace tube 1 outer wall is provided with spiral spoiler 15, the hand of spiral is contrary with furnace tube 1 direction of rotation, high-temperature flue gas can be made to enter around furnace tube 1 outer wall spiral rotating after heating furnace 2, increase heated time, improve thermal efficiency.
Further, described Autonomous test indirect heating type rotary furnace, exhanst gas outlet 24 is set at furnace tube 1 outer wall top, enters after being drawn by air-introduced machine after smoke processing system is administered and discharge.
Further, described Autonomous test indirect heating type rotary furnace, furnace tube 1 inwall is provided with arc copy plate 14, in furnace tube 1 rotary course, material can be carried out circumferencial direction upset, make material move up and down in furnace tube 1 cross section, and make material be heated evenly, improve the efficiency of heating surface.
Further, the feed system 3 of described Autonomous test indirect heating type rotary furnace includes feeding serew conveyer 25, feed end protective cover 26, dynamic sealing device 27.
Further, the discharge system of described Autonomous test indirect heating type rotary furnace includes discharge bucket 29, discharge end protective cover 28, dynamic sealing device 27.
Further, the drive system of described Autonomous test indirect heating type rotary furnace, including driving means 6, gear wheel 5, wheel belt 7, support roller 8 and gear wheel 9, gear wheel 5 is provided with gear wheel protective cover, prevents granule, dust from causing abrasion after entering gear.Gear wheel 5 is connected with furnace tube 1 bolt by steel plate 23, it is to avoid gear causes expanding with heat and contract with cold after furnace tube 1 direct contact heat transfer, thus substantially increases service life of equipment.Wheel belt 7 is also to be connected with furnace tube bolt by steel plate 23, it is to avoid wheel belt 7 causes expanding with heat and contract with cold after furnace tube 1 direct contact heat transfer, thus substantially increases service life of equipment.
Claims (10)
1. an Autonomous test indirect heating type rotary furnace, including furnace tube, heating furnace, feed system, discharge system, drive system, electric control system, it is characterized in that, heating furnace is positioned at the middle part within furnace tube, one end of furnace tube connects feed system, the other end connects discharge system, feed system transports material to heating furnace by feeding serew conveyer, transport capacity is provided by drive system, heating furnace bottom even arranges electrical heating elements, hot-air system is had also by bending type pipe arrangement in heating furnace, temperature control detector is set inside heating furnace, carry out Based Intelligent Control by electric control system and add gentle heat supply, by discharge system discharging after material heating.
A kind of Autonomous test indirect heating type rotary furnace the most according to claim 1, it is characterized in that, it is electric and gas dual purpose rotary furnace, thermal source uses electrical heating elements or the heating of high-temperature flue gas indirect type, furnace tube is made to be heated evenly, heating region temperature continuous-stable can be realized, reach two kinds of mode of heatings and be switched fast at any time.
A kind of Autonomous test indirect heating type rotary furnace the most according to claim 2, it is characterised in that it heats for indirect type, under state of isolation, material can be carried out indirect type drying, heating, it is to avoid thermal source directly contacts the negative effect caused with material.
A kind of Autonomous test indirect heating type rotary furnace the most according to claim 3, it is characterized in that, with temperature control detector, temperature control detector is by the temperature difference in heating furnace difference interval, it is automatically adjusted the heating intensity of the electrical heating elements of respective bins, or it is automatically adjusted hot-air system and the cross-reference of electrical heating elements and keying so that it is consistent that the temperature difference in each interval realizes equilibrium.
5. according to a kind of Autonomous test indirect heating type rotary furnace described in claim 1 or 4, it is characterized in that, resistance wire maintenance window is there also is provided in heating furnace side, electrical heating elements is spiral resistance wire, being evenly arranged in bottom heating furnace, be directly sleeved on outside the high temperature resistant sleeve pipe that refractory material makes, sleeve pipe is installed to heating furnace resistance wire maintenance window again, the exit refractory ceramic fibre of resistance wire insulate with furnace shell and seals, and exit metal connection plate is connected with bus-bar.
6. according to a kind of Autonomous test indirect heating type rotary furnace described in claim 1 or 4, it is characterized in that, described hot-air system is arranged in heating furnace, 1-3 pipeline is divided to enter burner hearth, heat for high-temperature flue gas indirect type, after Combustion of Hot Air Furnace natural gas, high-temperature flue gas is introduced heating furnace furnace tube is uniformly heated, air stove is provided with the freely regulated temperature control system of energy and hot-air system valve, and air stove and hot-air system are all incubated with refractory ceramic fibre or refractory brick.
7., according to a kind of Autonomous test indirect heating type rotary furnace described in claim 1 or 4, it is characterised in that arranging spiral spoiler on furnace tube outer wall, the hand of spiral is contrary with furnace tube direction of rotation, make high-temperature flue gas enter after heating furnace around furnace tube outer wall spiral rotating；Exhanst gas outlet is set at furnace tube outer wall top, enters after being drawn by air-introduced machine after smoke processing system is administered and discharge.
8. according to a kind of Autonomous test indirect heating type rotary furnace described in claim 1 or 4, it is characterized in that, furnace tube inwall arranges arc copy plate, in furnace tube rotary course, material is carried out circumferencial direction upset, make material move up and down in furnace tube cross section, be heated evenly.
9. according to a kind of Autonomous test indirect heating type rotary furnace described in claim 1 or 4; it is characterized in that; described feed system includes feeding serew conveyer, feed end protective cover, dynamic sealing device, and described discharge system includes discharge bucket, discharge end protective cover, dynamic sealing device.
10. according to a kind of Autonomous test indirect heating type rotary furnace described in claim 1 or 4, it is characterized in that, described drive system, including driving means, gear wheel, wheel belt, support roller and gear wheel, gear wheel is provided with gear wheel protective cover, gear wheel and wheel belt are all connected with furnace tube bolt by steel plate, it is to avoid cause expanding with heat and contract with cold after itself and furnace tube direct contact heat transfer.
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Cited By (5)
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| CN109900086A (en) * | 2019-04-19 | 2019-06-18 | 株洲聚润合微波工业炉有限公司 | A kind of granular material microwave drying rotary furnace and drying means |
| CN110204226A (en) * | 2019-06-21 | 2019-09-06 | 李胜日 | A kind of powder material high temperature suspension fluidization quick calcining process and system |
| CN110285676A (en) * | 2019-06-21 | 2019-09-27 | 王克非 | A kind of powder material horizontal type rolling suspension calcining device |
| CN112097477A (en) * | 2020-09-24 | 2020-12-18 | 上海誉金科技有限公司 | Device and method for drying lump minerals by microwaves |
| CN110204226B (en) * | 2019-06-21 | 2024-04-30 | 李胜日 | Powder material high-temperature suspension fluidization rapid calcination process and system |
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| CN110204226B (en) * | 2019-06-21 | 2024-04-30 | 李胜日 | Powder material high-temperature suspension fluidization rapid calcination process and system |
| CN112097477A (en) * | 2020-09-24 | 2020-12-18 | 上海誉金科技有限公司 | Device and method for drying lump minerals by microwaves |
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