CN105953575B - A kind of self-test indirect heating type rotary furnace - Google Patents
A kind of self-test indirect heating type rotary furnace Download PDFInfo
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- CN105953575B CN105953575B CN201610467973.5A CN201610467973A CN105953575B CN 105953575 B CN105953575 B CN 105953575B CN 201610467973 A CN201610467973 A CN 201610467973A CN 105953575 B CN105953575 B CN 105953575B
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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
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Abstract
The present invention relates to a kind of self-test indirect heating type rotary furnaces, including furnace tube, heating furnace, feed system, discharge system, drive system, electric control system, it is characterized in that, heating furnace is located at the intermediate position of furnace body, one end of furnace tube connects feed system, the other end connects discharge system, feed system transports material to furnace tube by feeding serew conveyer, transport capacity is provided by drive system, heating furnace bottom is evenly arranged electrical heating elements, also there is hot-air system by bending type pipe arrangement in heating furnace, temperature control detector is set inside heating furnace, heating and heat supply are controlled by electric control system, it is discharged by discharge system after material heating.The present invention is used under state of isolation carry out indirect type drying, heating to material, and heat treatment performance is good, and production efficiency is high, and service life is long, has the characteristics that production capacity is big, mechanization degree is high, attended operation is simple, reaches energy-saving and environment-friendly requirement.
Description
Technical field
The present invention relates to a kind of drying of loose unpacked material, heating rotary stove, more particularly to it is a kind of by electrical heating elements or
The indirect heating type rotary furnace that the modes such as high-temperature flue gas carry out.
Background technology
Rotary furnace is mainly used for solid particulate, the drying of granular material, heat treatment, and rotary furnace formula is generally divided into external-heat
With two kinds of internal heat type.
Internal-heated rotary furnace, which enters for heat source in furnace tube, heats material, and generally fuel enters furnace tube burning and combustion
High-temperature flue gas enters heating, heat medium and material directly contact in furnace tube after burning, and meeting contaminated material makes material subsequent processing work
Skill increases difficulty, and the ash content of material can be increased by such as doing fuel with coal.In addition flue gas directly washes away material, may be to heated
The chemical reaction of journey has an impact.
Although existing external heat type rotary furnace overcomes the disadvantages mentioned above of internal-heated rotary furnace, but existing external-heating revolving
Stove is the direct combustion heating of heating furnace, still can there is a situation where that furnace tube uneven heating is even, reduces rotary furnace thermal efficiency,
And combustion process is more difficult to control, may burn it is insufficient lead to waste of energy, the carbon monoxide of generation, which is discharged into air, can also pollute
Environment.
Resistance wire is arranged in heating furnace bottom and side by rotary furnace using electrical heating elements, that is, Resistant heating mode
Face could be replaced after resistance wire damages after the blowing out that need to cool down, and need to heat up again after replacing, and waste time, waste of energy,
Inconvenient maintenance reduces production efficiency.And in the prior art, the mode of heating of rotary furnace is single, provide heat source it is limited or
It will influence to produce in the case that offer heat source is unstable, cause production line to be stopped, production efficiency will be seriously affected.Meanwhile
The prior art once goes wrong or heats uneven, and artificial detection is needed to repair, extremely inconvenient, cannot arrange burner hearth automatically
Part is rapidly heated, and accomplishes whole homogeneous heating.
Invention content
In order to solve above-mentioned a series of problems, the present invention is intended to provide a kind of self-test indirect heating type rotary furnace, is adopted
Keep furnace tube heated equal by arranging temperature control detector with the heating of electrical heating elements indirect type or the heating of high-temperature flue gas indirect type
It is even, heating region temperature continuous-stable is realized, reaches two kinds of mode of heatings and is switched fast at any time, avoid due to heat source failure
The case where leading to rotary furnace cooling shutdown maintenance.
To achieve the goals above, technical scheme is as follows：
A kind of self-test indirect heating type rotary furnace, including furnace tube, heating furnace, feed system, discharge system, driving system
System, electric control system, which is characterized in that heating furnace is located at the intermediate position of furnace body, and one end of furnace tube connects feed system,
The other end connects discharge system, and feed system transports material to furnace tube by feeding serew conveyer, provided by drive system
Transport capacity, heating furnace bottom are evenly arranged electrical heating elements, also have hot wind system by bending type pipe arrangement in heating furnace
Temperature control detector is arranged in system, heating furnace inside, by electric control system come intelligent control heating and heat supply, after material heating
It is discharged by discharge system.
Further, the self-test indirect heating type rotary furnace is electric and gas dual purpose rotary furnace, and heat source is added using electricity
Thermal element or the heating of high-temperature flue gas indirect type, make furnace tube be heated evenly, realize heating region temperature continuous-stable, reach two
Kind of mode of heating is switched fast at any time, avoid due to heat source failure cause rotary furnace cool down shutdown maintenance the case where.
Further, the self-test indirect heating type rotary furnace is indirect type heating, can be right under state of isolation
Material carries out indirect type drying, heating, avoids heat source and negative effect caused by material directly contact.
Further, the self-test indirect heating type rotary furnace carries temperature control detector, and temperature control detector passes through
The temperature difference in heating furnace difference section is automatically adjusted the heating intensity of the electrical heating elements of respective bins, or automatic tune
Save cross-reference and the keying of hot-air system and electrical heating elements so that the temperature difference in each section is realized balanced consistent.
Further, the electrical heating elements of the self-test indirect heating type rotary furnace are spiral resistance wire,
It is even to be arranged in heating furnace bottom, it can be directly sleeved on high temperature resistant casing, increase Resistant heating range, ensure that heat affected zone
Domain temperature stable and uniform.Here helix shape is made in resistance wire, is directly sleeved on outside the high temperature resistant casing of refractory material making,
Casing is installed to heating furnace resistance wire overhauls window again.The exit refractory ceramic fibre of resistance wire and furnace shell insulate and close
Envelope, exit are connect with metal connection plate with bus-bar.Resistance wire overhauls window is also arranged in heating furnace side, ensure that
Resistance wire can be replaced without cooling blowing out in production process, greatly shorten the replacing construction of electrical heating elements, improve production
Efficiency.
Further, the hot-air system of the self-test indirect heating type rotary furnace is that high-temperature flue gas indirect type adds
High-temperature flue gas introducing heating furnace is evenly heated furnace tube, hot-blast stove setting by heat after Combustion of Hot Air Furnace natural gas
Temperature control system can adjust heating temperature to be suitble to needed for operating mode according to technological requirement.Here hot-air system is in heating furnace
Interior setting divides 1-3 pipeline to enter burner hearth, ensures that heat smoke is uniformly distributed in heating furnace.Heat is provided on hot-air system
Wind system valve can close hot-air system valve when using electrical heating elements heating.Hot-blast stove is with hot-air system with resistance to
Fiery ceramic fibre or refractory brick are kept the temperature, and thermal loss is prevented.
Further, the self-test indirect heating type rotary furnace is provided with spiral spoiler on furnace tube outer wall,
The hand of spiral, on the contrary, around furnace tube outer wall spiral rotating after high-temperature flue gas being made to enter heating furnace, increases with furnace tube direction of rotation
Heated time improves thermal efficiency.
Further, the self-test indirect heating type rotary furnace, is arranged exhanst gas outlet at the top of furnace tube outer wall, leads to
It crosses to enter after smoke processing system is administered after air-introduced machine is drawn and discharge.
Further, the self-test indirect heating type rotary furnace is provided with arc copy plate on furnace tube inner wall,
Circumferencial direction overturning can be carried out to material, so that material is moved up and down in furnace tube cross section, and make material in furnace tube rotary course
It is heated evenly, improves the efficiency of heating surface.
Further, the feed system of the self-test indirect heating type rotary furnace include feeding serew conveyer,
Feed end protective cover, dynamic sealing device.
Further, the discharge system of the self-test indirect heating type rotary furnace includes discharge bucket, discharge end guarantor
Shield, dynamic sealing device.
Further, the drive system of the self-test indirect heating type rotary furnace, including driving device, canine tooth
Wheel, wheel belt, support roller and gear wheel, gear wheel are provided with gear wheel protective cover, cause to wear after preventing particle, dust from entering gear.
Gear wheel is bolted by steel plate and furnace tube, causes to expand with heat and contract with cold after avoiding gear and furnace tube direct contact heat transfer, to
Substantially increase service life of equipment.Wheel belt is also to be bolted by steel plate and furnace tube, avoids wheel belt and is directly connect with furnace tube
Cause to expand with heat and contract with cold after touching heat transfer, to substantially increase service life of equipment.
One of the great innovation of the present invention is electrical heating elements or high-temperature flue gas indirect type mode of heating passing through sky
Between be laid out and ingehious design, be merged to form electric and gas dual purpose indirect type heating rotary stove, realize innovation and the heat of structure
The diversification in source can realize heating region temperature continuous-stable, reach two kinds of mode of heatings and be switched fast at any time.Once encountering electricity
When heating element breaks down or fault need to overhaul, the heating of high-temperature flue gas indirect type can be switched to immediately, or once meet
When need to be overhauled to hot-blast stove failure, combustion gas failure, hot-air system failure etc., electrical heating elements indirectly heat can be switched to immediately,
Avoid due to heat source failure cause rotary furnace cool down shutdown maintenance the case where.
Another great innovation is to belong to self-test indirect heating type rotary furnace, be realized entirely by the way that temperature control detector is arranged
The intelligence of system can be automatically adjusted the electrical heating elements of respective bins by the temperature difference in heating furnace difference section
Heating intensity, or automatic adjustment hot-air system and electrical heating elements cross-reference and keying so that the temperature difference in each section
It realizes balanced consistent.
In addition, the prior art that the present invention is different from the past, is also provided with resistance wire overhauls window, it can be in the blowing out that do not cool down
In the case of carry out resistance wire replacement, and resistance wire make it is spiral be sleeved on high temperature resistant casing, increase Resistant heating model
It encloses, rotary furnace is made to be heated evenly simultaneously stable operation.
Beneficial effects of the present invention are that can be used under state of isolation carrying out indirect type drying, heating, heat-treatability to material
Can be good, production efficiency is high, and service life is long, has production capacity big, and mechanization degree is high, and the simple feature of attended operation is filled
Divide and has reached energy-saving and environment-friendly requirement.
Description of the drawings
Attached drawing 1 is overall structure of the present invention
Attached drawing 2 is drive system sectional view of the present invention
Attached drawing 3 is heating furnace sectional view of the present invention
Attached drawing 4 is gear wheel connection enlarged drawing of the present invention
Attached drawing 5 is hot-blast 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 devices, 7 wheel belt, 8 supports
Wheel, 9 gear wheels, 10 electrical heating elements, 11 hot-air systems, 12 pedestals, 13 hot-blast stoves, 14 arc copy plates, 15 spiral spoilers, 16
Furnace shell, 17 heating furnace thermal insulation materials, 18 resistance wire overhauls windows, 19 resistance wires, 20 high temperature resistant casings, 21 hot-air system valves
Door, 22 fasteners, 23 steel plates, 24 exhanst gas outlets, 25 feeding serew conveyers, 26 feed end protective covers, 27 dynamic sealing devices, 28
Discharge end protective cover, 29 discharge buckets
Specific implementation mode
The specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings.
Specific embodiment one
A kind of self-test indirect heating type rotary furnace, including furnace tube 1, heating furnace 2, feed system 3, discharge system 4, drive
Dynamic system, electric control system, which is characterized in that heating furnace 2 is located at the intermediate position of furnace body, one end of furnace tube 1 connect into
Material system 3, the other end connect discharge system 4, and feed system 3 transports material to furnace tube 1 by feeding serew conveyer 25, by
Drive system provides transport capacity, and 2 bottom of heating furnace is evenly arranged electrical heating elements, also passes through bending type pipe in heating furnace 2
Road is disposed with hot-air system 11, and temperature control detector is arranged in 2 inside of heating furnace, is heated come intelligent control by electric control system
And heat supply, it is discharged by discharge system 4 after material heating.
Further, the self-test indirect heating type rotary furnace is electric and gas dual purpose rotary furnace, and heat source is added using electricity
Thermal element or the heating of high-temperature flue gas indirect type, make furnace tube 1 be heated evenly, realize heating region temperature continuous-stable, reach
Two kinds of mode of heatings are switched fast at any time, avoid due to heat source failure cause rotary furnace cool down shutdown maintenance the case where.
Further, the self-test indirect heating type rotary furnace is indirect type heating, can be right under state of isolation
Material carries out indirect type drying, heating, avoids heat source and negative effect caused by material directly contact.
Further, the self-test indirect heating type rotary furnace carries temperature control detector, and temperature control detector passes through
The temperature difference in the different sections of heating furnace 2, is automatically adjusted the heating intensity of the electrical heating elements of respective bins so that each section
The temperature difference realize it is balanced consistent.
Further, the electrical heating elements of the self-test indirect heating type rotary furnace are spiral resistance wire 19,
It is evenly arranged in 2 bottom of heating furnace, can be directly sleeved on high temperature resistant casing 20,19 heated perimeter of resistance wire is increased, is ensured
Heat affected zone temperature stable and uniform.Here helix shape is made in resistance wire 19, is directly sleeved on the resistance to of refractory material making
Outside high warm sleeve 20, casing is installed to the resistance wire overhauls window 18 of heating furnace 2 again.The exit of resistance wire 19 is made pottery with fire resisting
Porcelain fiber insulate and seals with furnace shell, and exit is connect with metal connection plate with bus-bar.It is also arranged in 2 side of heating furnace
Resistance wire overhauls window 18, ensure that in production process can replace resistance wire 19 without cooling blowing out, greatly shorten electrical heating
The replacement of element time, improve production efficiency.
Further, the hot-air system of the self-test indirect heating type rotary furnace is that high-temperature flue gas indirect type adds
High-temperature flue gas introducing heating furnace 2 is evenly heated furnace tube 1, hot-blast stove by heat after the burning natural gas of hot-blast stove 13
13 setting temperature control systems can adjust heating temperature to be suitble to needed for operating mode according to technological requirement.Here hot-air system is to add
Setting in hot stove thorax 2, point 1 pipeline enter burner hearth, ensure that heat smoke is uniformly distributed in heating furnace 2.It is set on hot-air system
It is equipped with hot-air system valve 21, hot-air system valve 21 can be closed when using electrical heating elements heating.Hot-blast stove 13 and heat
Wind system is kept the temperature with refractory ceramic fibre or refractory brick, and thermal loss is prevented.
Further, the self-test indirect heating type rotary furnace is provided with spiral spoiler on 1 outer wall of furnace tube
15, the hand of spiral is with 1 direction of rotation of furnace tube on the contrary, being revolved around 1 outer wall spiral of furnace tube after high-temperature flue gas can be made to enter heating furnace 2
Turn, increase heated time, improves thermal efficiency.
Further, the self-test indirect heating type rotary furnace, is arranged exhanst gas outlet at the top of 1 outer wall of furnace tube
24, enter after being drawn by air-introduced machine after smoke processing system is administered and discharges.
Further, the self-test indirect heating type rotary furnace is provided with arc copy plate on 1 inner wall of furnace tube
14, circumferencial direction overturning can be carried out to material, material is made to move up and down in 1 cross section of furnace tube in 1 rotary course of furnace tube, and
So that material is heated evenly, improves the efficiency of heating surface.
Further, the feed system 3 of the self-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 the self-test indirect heating type rotary furnace includes discharge bucket 29, discharge end
Protective cover 28, dynamic sealing device 27.
Further, the drive system of the self-test indirect heating type rotary furnace, including driving device 6, canine tooth
Wheel 5, wheel belt 7, support roller 8 and gear wheel 9, gear wheel 5 are provided with gear wheel protective cover, are caused after preventing particle, dust from entering gear
Abrasion.Gear wheel 5 is bolted by steel plate 23 and furnace tube 1, leads to heat expansion after avoiding gear and 1 direct contact heat transfer of furnace tube
Shrinkage, to substantially increase service life of equipment.Wheel belt 7 is also to be bolted with furnace tube by steel plate 23, avoids wheel belt 7
Cause to expand with heat and contract with cold with after 1 direct contact heat transfer of furnace tube, to substantially increase service life of equipment.
Specific embodiment two
A kind of self-test indirect heating type rotary furnace, including furnace tube 1, heating furnace 2, feed system 3, discharge system 4, drive
Dynamic system, electric control system, which is characterized in that heating furnace 2 is located at the intermediate position of furnace body, one end of furnace tube 1 connect into
Material system 3, the other end connect discharge system 4, and feed system 3 transports material to furnace tube 1 by feeding serew conveyer 25, by
Drive system provides transport capacity, and 2 bottom of heating furnace is evenly arranged electrical heating elements, also passes through bending type pipe in heating furnace 2
Road is disposed with hot-air system 11, and temperature control detector is arranged in 2 inside of heating furnace, is heated come intelligent control by electric control system
And heat supply, it is discharged by discharge system 4 after material heating.
Further, the self-test indirect heating type rotary furnace is electric and gas dual purpose rotary furnace, and heat source is added using electricity
Thermal element or the heating of high-temperature flue gas indirect type, make furnace tube 1 be heated evenly, realize heating region temperature continuous-stable, reach
Two kinds of mode of heatings are switched fast at any time, avoid due to heat source failure cause rotary furnace cool down shutdown maintenance the case where.
Further, the self-test indirect heating type rotary furnace is indirect type heating, can be right under state of isolation
Material carries out indirect type drying, heating, avoids heat source and negative effect caused by material directly contact.
Further, the self-test indirect heating type rotary furnace carries temperature control detector, and temperature control detector passes through
The temperature difference in the different sections of heating furnace 2, cross-reference and keying of the automatic adjustment hot-air system 11 with electrical heating elements so that each
The temperature difference in section is realized balanced consistent.
Further, the electrical heating elements of the self-test indirect heating type rotary furnace are spiral resistance wire 19,
It is evenly arranged in 2 bottom of heating furnace, can be directly sleeved on high temperature resistant casing 20,19 heated perimeter of resistance wire is increased, is ensured
Heat affected zone temperature stable and uniform.Here helix shape is made in resistance wire 19, is directly sleeved on the resistance to of refractory material making
Outside high warm sleeve 20, casing is installed to the resistance wire overhauls window 18 of heating furnace 2 again.The exit of resistance wire 19 is made pottery with fire resisting
Porcelain fiber insulate and seals with furnace shell, and exit is connect with metal connection plate with bus-bar.It is also arranged in 2 side of heating furnace
Resistance wire overhauls window 18, ensure that in production process can replace resistance wire 19 without cooling blowing out, greatly shorten electrical heating
The replacement of element time, improve production efficiency.
Further, the hot-air system of the self-test indirect heating type rotary furnace is that high-temperature flue gas indirect type adds
High-temperature flue gas introducing heating furnace 2 is evenly heated furnace tube 1, hot-blast stove by heat after the burning natural gas of hot-blast stove 13
13 setting temperature control systems can adjust heating temperature to be suitble to needed for operating mode according to technological requirement.Here hot-air system is to add
Setting in hot stove thorax 2, point 3 pipelines enter burner hearth, ensure that heat smoke is uniformly distributed in heating furnace 2.It is set on hot-air system
It is equipped with hot-air system valve 21, hot-air system valve 21 can be closed when using electrical heating elements heating.Hot-blast stove 13 and heat
Wind system is kept the temperature with refractory ceramic fibre or refractory brick, and thermal loss is prevented.
Further, the self-test indirect heating type rotary furnace is provided with spiral spoiler on 1 outer wall of furnace tube
15, the hand of spiral is with 1 direction of rotation of furnace tube on the contrary, being revolved around 1 outer wall spiral of furnace tube after high-temperature flue gas can be made to enter heating furnace 2
Turn, increase heated time, improves thermal efficiency.
Further, the self-test indirect heating type rotary furnace, is arranged exhanst gas outlet at the top of 1 outer wall of furnace tube
24, enter after being drawn by air-introduced machine after smoke processing system is administered and discharges.
Further, the self-test indirect heating type rotary furnace is provided with arc copy plate on 1 inner wall of furnace tube
14, circumferencial direction overturning can be carried out to material, material is made to move up and down in 1 cross section of furnace tube in 1 rotary course of furnace tube, and
So that material is heated evenly, improves the efficiency of heating surface.
Further, the feed system 3 of the self-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 the self-test indirect heating type rotary furnace includes discharge bucket 29, discharge end
Protective cover 28, dynamic sealing device 27.
Further, the drive system of the self-test indirect heating type rotary furnace, including driving device 6, canine tooth
Wheel 5, wheel belt 7, support roller 8 and gear wheel 9, gear wheel 5 are provided with gear wheel protective cover, are caused after preventing particle, dust from entering gear
Abrasion.Gear wheel 5 is bolted by steel plate 23 and furnace tube 1, leads to heat expansion after avoiding gear and 1 direct contact heat transfer of furnace tube
Shrinkage, to substantially increase service life of equipment.Wheel belt 7 is also to be bolted with furnace tube by steel plate 23, avoids wheel belt 7
Cause to expand with heat and contract with cold with after 1 direct contact heat transfer of furnace tube, to substantially increase service life of equipment.
Claims (8)
1. a kind of self-test indirect heating type rotary furnace, including furnace tube, heating furnace, feed system, discharge system, driving system
System, electric control system, which is characterized in that heating furnace is located at the intermediate position of furnace body, and one end of furnace tube connects feed system,
The other end connects discharge system, and feed system transports material to furnace tube by feeding serew conveyer, provided by drive system
Transport capacity；Heating furnace bottom is evenly arranged electrical heating elements, also has hot wind system by bending type pipe arrangement in heating furnace
Spiral spoiler is arranged in system on furnace tube outer wall, and the hand of spiral is with furnace tube direction of rotation on the contrary, high-temperature flue gas is made to enter heating furnace
Around furnace tube outer wall spiral rotating after thorax；Arc copy plate is set on furnace tube inner wall, material is carried out in furnace tube rotary course
Circumferencial direction is overturn, and so that material is moved up and down in furnace tube cross section, is heated evenly；Setting temperature control detects inside heating furnace
Instrument, temperature control detector are automatically adjusted adding for the electrical heating elements of respective bins by the temperature difference in heating furnace difference section
Calorific intensity, or automatically adjust cross-reference and the keying of hot-air system and electrical heating elements so that the temperature difference in each section is realized
It is balanced consistent；It is heated come intelligent control by electric control system and heat supply, material is discharged after heating by discharge system.
2. a kind of self-test indirect heating type rotary furnace according to claim 1, which is characterized in that it is returned for electric and gas dual purpose
Converter, heat source are heated using electrical heating elements or high-temperature flue gas indirect type, so that furnace tube is heated evenly, can realize heating region temperature
Continuous-stable is spent, reaches two kinds of mode of heatings and is switched fast at any time.
3. a kind of self-test indirect heating type rotary furnace according to claim 2, which is characterized in that it adds for indirect type
Heat can carry out indirect type drying, heating to material under state of isolation, avoid heat source and negatively make caused by material directly contact
With.
4. a kind of self-test indirect heating type rotary furnace according to claim 1, which is characterized in that in heating furnace side
Resistance wire overhauls window is there also is provided, electrical heating elements are spiral resistance wire, are evenly arranged in heating furnace bottom, are directly covered
Outside the high temperature resistant casing that refractory material makes, casing is installed to heating furnace resistance wire overhauls window, the extraction of resistance wire again
End refractory ceramic fibre insulate and seals with furnace shell, and exit is connect with metal connection plate with bus-bar.
5. a kind of self-test indirect heating type rotary furnace according to claim 1, which is characterized in that the hot-air system
It is arranged in heating furnace, 1-3 pipeline is divided to enter burner hearth, is heated for high-temperature flue gas indirect type, it is natural by Combustion of Hot Air Furnace
After gas, high-temperature flue gas introducing heating furnace is evenly heated furnace tube, hot-blast stove is provided with can freely regulated temperature control system
System and hot-air system valve, hot-blast stove are kept the temperature with refractory ceramic fibre or refractory brick with hot-air system.
6. a kind of self-test indirect heating type rotary furnace according to claim 1, which is characterized in that at the top of furnace tube outer wall
Exhanst gas outlet is set, enters after being drawn by air-introduced machine after smoke processing system is administered and discharges.
7. a kind of self-test indirect heating type rotary furnace according to claim 1, which is characterized in that the feed system
Including feeding serew conveyer, feed end protective cover, dynamic sealing device, the discharge system includes discharge bucket, discharge end guarantor
Shield, dynamic sealing device.
8. a kind of self-test indirect heating type rotary furnace according to claim 1, which is characterized in that the driving system
System, including driving device, gear wheel, wheel belt, support roller and gear wheel, gear wheel are provided with gear wheel protective cover, gear wheel and wheel belt
It is bolted by steel plate and furnace tube, avoids it and cause to expand with heat and contract with cold after furnace tube direct contact heat transfer.
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| CN201610467973.5A CN105953575B (en) | 2016-06-24 | 2016-06-24 | A kind of self-test indirect heating type rotary furnace |
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| CN201610467973.5A CN105953575B (en) | 2016-06-24 | 2016-06-24 | A kind of self-test indirect heating type rotary furnace |
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| CN105953575B true CN105953575B (en) | 2018-11-02 |
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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 |
| CN110204226B (en) * | 2019-06-21 | 2024-04-30 | 李胜日 | Powder material high-temperature suspension fluidization rapid calcination 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 |
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| CN105658767A (en) * | 2013-11-13 | 2016-06-08 | 三菱重工环境·化学工程株式会社 | Externally heated carbonization furnace |
| CN205747936U (en) * | 2016-06-24 | 2016-11-30 | 湖南长重机器股份有限公司 | A kind of Autonomous test indirect heating type rotary furnace |
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