CN106766875B - Double-layer stacked type roller way kiln - Google Patents
Double-layer stacked type roller way kiln Download PDFInfo
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- CN106766875B CN106766875B CN201611255499.6A CN201611255499A CN106766875B CN 106766875 B CN106766875 B CN 106766875B CN 201611255499 A CN201611255499 A CN 201611255499A CN 106766875 B CN106766875 B CN 106766875B
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
- F27B9/062—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated electrically heated
- F27B9/063—Resistor heating, e.g. with resistors also emitting IR rays
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
- F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/38—Arrangements of devices for charging
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
- F27B2009/122—Preheating
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
- F27B2009/3653—Preheated fuel
- F27B2009/3661—Preheated fuel preheated with the exhaust gases
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/38—Arrangements of devices for charging
- F27B2009/382—Charging
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/38—Arrangements of devices for charging
- F27B2009/384—Discharging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention discloses a kind of double-layer stacked type roller way kilns, including kiln body and the automatic feed/discharge circulatory system；Kiln body includes lower layer's kiln body and upper layer kiln body, the front end of upper layer kiln body is equipped with feed inlet, the front end of lower layer's kiln body is equipped with discharge port, the rear end of upper layer kiln body is aligned with the rear end of lower layer's kiln body, and the automatic feed/discharge circulatory system includes being correspondingly arranged at feeding mechanism, the discharging mechanism being correspondingly arranged with discharge port with feed inlet and being used for the intracorporal material transfer of upper layer kiln to the intracorporal material transporting mechanism of lower layer's kiln；Roller-way is respectively equipped in upper layer kiln body and lower layer's kiln body；Along the direction of advance of material, waste heat preheating section, prebake section, drying section, warming-up section, sintering zone and cooling area are successively arranged in kiln body, prebake section includes the waste heat prebake section close to waste heat preheating section and the heating prebake section far from waste heat preheating section；Exhaust fan is equipped in cooling area, the air outlet of exhaust fan is connected with waste heat preheating section and waste heat prebake section respectively.
Description
Technical field
The invention belongs to kiln technical fields, are specifically a kind of double-layer stacked type roller way kiln.
Background technique
Traditional electrical kiln mostly uses single channel unidirectional operation, and product is in electric kiln body by preheating zone, heating zone, high temperature
Area, heat preservation zone and cooling area, and heating tube is distributed in the two sides in firing duct, the product in kiln is heated, it is widely applied
In structural ceramics, function ceramics, fluorescent powder, rare earth material, lithium battery material (cobalt acid lithium), magnetic material, the production such as nano material
The sintering of product, but heat utilization efficiency is low during heating, energy consumption is high for this electrical kiln, and the efficiency of energy utilization for improving kiln already becomes
The emphasis of various industries development energy-saving and emission-reduction.
The Chinese patent of Publication No. CN 205262173U discloses a kind of double-deck sintering kiln, including kiln, centre are protected
Kiln is divided into two layers by warm layer, and each layer successively has preheating zone, high-temperature region and cooling zone, and bilevel high-temperature region is located at kiln
Interlude, upper layer preheating zone and lower layer cooling zone are located on the right side of kiln, and lower layer preheating zone and upper layer cooling zone are located on the left of kiln,
Each cooling zone configures a cooling and squeezes into blower, and upper layer cooling zone is also configured with a cooling air-heater of taking out and sends cooling hot wind to
Lower layer preheating zone, and hot wind is sent to upper layer preheating zone, each layer preheating zone configuration one in intermediate insulating layer aperture by lower layer cooling zone
Platform wet-emitting blower, each Duan Junyou roll-type transmission device of kiln, there is travelling platform at kiln both ends.Although the bilayer sintering kiln is one
Determine that energy saving technical purpose can be reached in degree, still, the upper layer and lower layer independent operating of the kiln is equivalent to two lists
The superposition of the kiln of channel unidirectional operation can not play the technical effect for reducing occupied area.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of double-layer stacked type roller way kiln, have high degree of automation,
Advantage energy-saving, occupied area is small and production capacity is high.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of double-layer stacked type roller way kiln, including kiln body and the automatic feed/discharge circulatory system；
The kiln body includes lower layer's kiln body and the upper layer kiln body that is arranged in above lower layer's kiln body, the upper layer kiln body
Front end is equipped with feed inlet, and the front end of lower layer's kiln body is equipped with discharge port, the rear end of the upper layer kiln body and lower layer's kiln body
Rear end alignment, the automatic feed/discharge circulatory system include be correspondingly arranged at the feed inlet feeding mechanism, with it is described go out
The discharging mechanism and setting that material mouth is correspondingly arranged are used between upper layer kiln body rear end and lower layer's kiln body rear end will be described
The layer intracorporal material transfer of kiln is to the intracorporal material transporting mechanism of lower layer's kiln；In the upper layer kiln body and lower layer's kiln body respectively
Equipped with the roller-way for driving material to advance；
Along the direction of advance of the material, be successively arranged in the kiln body waste heat preheating section, prebake section, drying section,
Warming-up section, sintering zone and cooling area, wherein the waste heat preheating section and prebake section are arranged in the upper layer kiln body, described
Drying section, warming-up section, sintering zone and cooling area are arranged in lower layer's kiln body；The prebake section includes close to the waste heat
The heating prebake section of the waste heat prebake section of preheating section and the separate waste heat preheating section；Exhausting is equipped in the cooling area
Machine, the air outlet of the exhaust fan are connected with the waste heat preheating section and waste heat prebake section respectively；
The feeding mechanism includes charging roller, for mentioning height and position where material lifting to the upper layer kiln body
Rise mechanism and the feeding roller-way for material to be delivered to the feed inlet；The hoisting mechanism includes lift carriage and promotion material
The top of frame, the lift carriage is equipped with promotion motor and rotatable engagement is mounted on the promotion crossbeam in the lift carriage, institute
It states the output shaft for promoting motor and the worm and gear being equipped between crossbeam for driving the promotion crossbeam to rotate that promoted subtracts
Fast device I, the both ends for promoting crossbeam are respectively equipped with top sprocket wheel, and the lower part of the lift carriage and the top sprocket wheel are one by one
It is correspondingly provided with lower part sprocket wheel, is equipped between the corresponding top sprocket wheel and lower part sprocket wheel and promotes chain, two promotion chains point
It is not fixedly connected with promotion material frame；
The promotion material frame includes splicing roller-way, and the lower section of the splicing roller-way is equipped with mounting rack, is set on the mounting rack
There is the splicing motor for driving the splicing roller bed rotation；
The feeding roller-way include with the splicing roller-way dock and be arranged it is parallel in the intracorporal roller-way of upper layer kiln
Auxiliary roller-way, the auxiliary roller-way and be arranged between the roller-way at the feed inlet be equipped with chain type feeding mechanism.
Further, the Resistant heating device I being located at below roller-way, and the waste heat are equipped in the waste heat prebake section
The top of prebake section is connected with the air outlet of the exhaust fan.
Further, the Resistant heating device for being located at the roller-way or more two sides is equipped in the heating prebake section
Ⅱ。
Further, the Resistant heating device III for being located at the roller-way or more two sides is equipped in the drying section.
Further, the warming-up section includes Resistant heating section and globar bringing-up section, and the Resistant heating section is close
The drying section setting, and the Resistant heating dress for being located at the roller-way or more two sides is equipped in the Resistant heating section
IV is set, is equipped with the globar heating device I for being located at the roller-way or more two sides in the globar bringing-up section.
Further, the waste heat preheating section, prebake section, drying section, warming-up section, sintering zone and cooling area length ratio
For 7.5:22.5:6:10:8:21, and the length ratio between the waste heat prebake section and the heating prebake section is
12.5:10, the length ratio between the Resistant heating section and the globar bringing-up section are 4:6.
Further, the globar heating device II for being located at the roller-way or more two sides is equipped in the sintering zone.
Further, the chain type feeding mechanism include respectively with it is described auxiliary roller-way and upper layer kiln feed inlet at roller-way
The sprocket wheel being correspondingly arranged is equipped with feeding chain between the sprocket wheel.
Further, the feeding chain is set as at least two to be parallel to each other；The lift carriage is equipped with for covering
Sleeve on the promotion chain.
Further, the end of the charging roller be equipped with for detect material whether sensor I in place, the elevator
Frame is equipped with for measuring and limiting the contact sensor I and contact sensor II for promoting material frame upper and lower position, institute respectively
Auxiliary roller-way is stated equipped with the contact sensor III for being located in material on the feeding chain, is arranged at the feed inlet
Roller-way be equipped with postive stop baffle for limiting the material position.
The beneficial effects of the present invention are:
Double-layer stacked type roller way kiln of the invention by setting upper layer kiln body and lower layer's kiln body for kiln body, and is arranged
Feeding mechanism and material transporting mechanism, in this way, material can enter in kiln body from the feed inlet being arranged in the kiln body of upper layer, through being sintered
Afterwards from the discharge hole for discharge being arranged in lower layer's kiln body, i.e., an entirety, identical length are formed between upper layer kiln body and lower layer's kiln body
The area that the kiln body of degree occupies is smaller；The automatic transhipment that material is realized by the setting automatic feed/discharge circulatory system has automatic
The high advantage of change degree；Waste heat is sent to waste heat preheating section and waste heat prebake section using exhaust fan, can be improved using energy source
Effect reduces energy consumption.
It is found through experiment that being achieved following when double-layer stacked type roller way kiln of the invention is used for sintering permanent magnet ferrite
Technical effect:
1, energy saving: the specific energy consumption of sintering permanent magnet ferrite is less than 0.55kW h/kg, reduces than conventional monolayers roller furnace
About 25%, production energy consumption is significantly reduced, electric energy is saved；
2. production capacity: greatly improving production yields, the permanent-magnet ferrite production yields of single device has been more than 18 at present
Ton/day, about 1 times is improved than conventional monolayers roller furnace；
3. occupied area is small: not increasing occupied area while greatly increasing yield and reducing energy consumption, saved factory
Room construction cost.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is the structural schematic diagram of double-layer stacked type roller way kiln embodiment of the present invention；
Fig. 2 is the A detail drawing of Fig. 1；
Fig. 3 is the B detail drawing of Fig. 1；
Fig. 4 is the structural schematic diagram of feeding mechanism；
Fig. 5 is the top view of Fig. 4；
Fig. 6 is the left view of Fig. 4；
Fig. 7 is the structural schematic diagram of material transporting mechanism；
Fig. 8 is the structural schematic diagram of transfer carriage and transhipment material frame；
Fig. 9 is the left view of Fig. 8；
Figure 10 is temperature profile when the present embodiment is used for sintering permanent magnet ferrite.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It better understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, being the structural schematic diagram of double-layer stacked type roller way kiln embodiment of the present invention.The bilayer of the present embodiment
Superposing type roller way kiln, including kiln body and the automatic feed/discharge circulatory system.
The kiln body of the present embodiment includes lower layer's kiln body 2 and the upper layer kiln body 1 that 2 top of lower layer's kiln body is arranged in, upper layer kiln body 1
Front end be equipped with feed inlet 3, the front end of lower layer's kiln body 2 is equipped with discharge port 4, the rear end of upper layer kiln body 1 and the rear end of lower layer's kiln body 2
Alignment.The automatic feed/discharge circulatory system of the present embodiment includes that feeding mechanism, right with discharge port 4 is correspondingly arranged at feed inlet 3
The discharging mechanism that should be arranged and it is arranged between 2 rear end of 1 rear end of upper layer kiln body and lower layer's kiln body for by the object in upper layer kiln body 1
Expect the material transporting mechanism being transported in lower layer's kiln body 2.Use is respectively equipped in the upper layer kiln body 1 and lower layer's kiln body 2 of the present embodiment
In the roller-way 5 that driving material advances.
Along the direction of advance of material, waste heat preheating section 6, prebake section 7, drying section 8, warming-up section are successively arranged in kiln body
9, sintering zone 10 and cooling area 11, wherein waste heat preheating section 6 and prebake section 7 are arranged in upper layer kiln body 1, and drying section 8 rises
Temperature section 9, sintering zone 10 and cooling area 11 are arranged in lower layer's kiln body 2.Prebake section 7 includes the waste heat close to waste heat preheating section 6
The heating prebake section 7b of prebake section 7a and separate waste heat preheating section 6.Exhaust fan 12 is equipped in cooling area 11, exhaust fan 12
Air outlet is connected with waste heat preheating section 6 and waste heat prebake section 7a respectively.
Further, the Resistant heating device I 13 for being located at 5 lower section of roller-way is equipped in waste heat prebake section 7a, and waste heat is pre-
The top of drying section 7a is connected with the air outlet of exhaust fan 12.It is equipped with and is located in the heating prebake section 7b of the present embodiment
The Resistant heating device II 14 of about 5 two sides of roller-way.It is equipped in the drying section 8 of the present embodiment and is located at roller-way about 5 two
The Resistant heating device III 15 of side.The warming-up section 9 of the present embodiment includes Resistant heating section 9a and globar bringing-up section 9b, electricity
It hinders silk bringing-up section 9a to be arranged close to drying section 8, and is equipped with the resistance for being located at about 5 two sides of roller-way in Resistant heating section 9a
Silk heating device IV 16, globar bringing-up section 9b is interior to be equipped with the globar heating device I 17 for being located at about 5 two sides of roller-way.
The globar heating device II for being located at about 5 two sides of roller-way, 6 He of waste heat preheating section are equipped in the sintering zone 10 of the present embodiment
It is not provided with heating device in cooling area 11, by waste heat preheating section 6, prebake section 7, drying section 8, warming-up section 9, sintering zone 10
The heating device of variety classes and quantity is respectively set with cooling area 11, can realize in conjunction with auto temperature controlled system in kiln
Effective control of warm area curve controls the rate of roller-way 5, that is, can ensure that material according to the temperature curve of setting and the time of setting
Range is preheated, is dried, is sintered and cooled down, and guarantees that the sintering process of material is carried out according to the process route of setting.
Further, the feeding mechanism of the present embodiment includes charging roller 19, for will be where material lifting to upper layer kiln body 1
The hoisting mechanism of height and position and feeding roller-way for material to be delivered to feed inlet.Hoisting mechanism includes 20 He of lift carriage
Material frame 21 is promoted, the top of lift carriage 20 is equipped with promotion motor 22 and rotatable engagement is mounted on the cross of the promotion in lift carriage 20
Beam 23 promotes the worm and gear being equipped between the output shaft of motor 22 and promotion crossbeam 23 for driving promotion crossbeam 23 to rotate and subtracts
Fast device I 24, the both ends for promoting crossbeam 23 are respectively equipped with top sprocket wheel 25, and the lower part of lift carriage 20 and top sprocket wheel 25 1 are a pair of
Should be equipped with lower part sprocket wheel, between corresponding top sprocket wheel 25 and lower part sprocket wheel be equipped with promoted chain 26, two promotion chains 26 respectively with
Material frame 21 is promoted to be fixedly connected.The promotion material frame of the present embodiment includes splicing roller-way 27, and the lower section of splicing roller-way 27 is equipped with installation
Frame 28, mounting rack 28 are equipped with the splicing motor 29 for driving splicing roller-way 27 to rotate.The feeding roller-way of the present embodiment includes
With the docking of splicing roller-way 27 and the auxiliary roller-way 30 parallel with the roller-way 5 being arranged in upper layer kiln body 1, auxiliary roller-way 30 and setting
Chain type feeding mechanism is equipped between roller-way 5 at feed inlet 3.The lift carriage 20 of the present embodiment is equipped with for covering described
Promote the sleeve 33 on chain 26.
The chain type feeding mechanism of the present embodiment include respectively with auxiliary roller-way 30 and upper layer kiln feed inlet 3 at roller-way 5
The sprocket wheel 31 being correspondingly arranged is equipped with feeding chain 32 between the sprocket wheel 31, and feeding chain 32 is set as at least two to be parallel to each other,
The feeding chain 32 of the present embodiment is set as be parallel to each other two.The charging roller 19, auxiliary roller-way 30 and chain type of the present embodiment
Feeding mechanism is equipped with power device, is not repeated.
The end of the charging roller 19 of the present embodiment be equipped with for detect material whether sensor I in place, lift carriage
20 are equipped with contact sensor I and contact sensor II for measuring and limiting promotion material 21 upper and lower position of frame respectively, auxiliary
Roller-way 30 is equipped with the contact sensor III for being located in material on feeding chain, is arranged on the roller-way 5 at feed inlet 3 and sets
There is the postive stop baffle for limited object discharge position.In this way, feed inlet 3 can be fed into the material on charging roller 19 automatically
Place realizes automatic charging.
Further, the material transporting mechanism of the present embodiment includes closed heat insulation and covers mounted in upper layer kiln body 1 and lower layer's kiln body 2
The transport box 34 of rear end, transport box 34 is interior to be equipped with transfer carriage 35 and transhipment material frame 36, and the top of transfer carriage 35 is equipped with transhipment motor
37 and rotatable engagement be mounted on the transhipment crossbeam 38 on transfer carriage 35, transport between the output shaft of motor 37 and transhipment crossbeam 38 and set
The both ends for having a worm type of reduction gearing II 39, and transporting crossbeam 38 are respectively equipped with top transhipment sprocket wheel 40, on transfer carriage 35 with it is upper
Portion transports sprocket wheel 40 and corresponds equipped with lower part transhipment sprocket wheel, sets between corresponding top transhipment sprocket wheel 40 and lower part transhipment sprocket wheel
There is transport chain 41, two transport chains 41 are fixedly connected with transhipment material frame 36 respectively.The transfer carriage 35 of the present embodiment is equipped with and is used for
Cover the sleeve 42 on the transport chain 41.The transhipment material frame 36 of the present embodiment includes transhipment roller-way 43, transports on roller-way 43 and sets
There is transhipment roller, the roller-way 5 being arranged in lower layer's kiln body 2 protrudes into transport box 34, and transports transhipment roller and the position of roller-way 43
It is staggered between the conveying roller of the roller-way in transport box 34, in this way, i.e. using the dynamic of the roller-way in transport box 34
Material is delivered in lower layer's kiln body 2 by power.
Heat insulation layer 44 is equipped in the transport box 34 of the present embodiment, and transport box 34 is equipped with maintenance door 45.This implementation
It is respectively provided with measurement on the transfer carriage 35 of example and limits the contact sensor VI and sensing contact of transhipment material frame upper and lower position
Device V, transhipment material frame 36 be equipped be located at transhipment roller-way above and for detect material whether sensor II in place.
Certainly, material transporting mechanism also can be used other similar mechanism and realize, be not repeated.
The double-layer stacked type roller way kiln of the present embodiment by setting upper layer kiln body and lower layer's kiln body for kiln body, and is set
Feeding mechanism and material transporting mechanism are set, in this way, material can enter in kiln body from the feed inlet being arranged in the kiln body of upper layer, through burning
From the discharge hole for discharge being arranged in lower layer's kiln body after knot, i.e., an entirety is formed between upper layer kiln body and lower layer's kiln body, it is identical
The area that the kiln body of length occupies is smaller；The automatic transhipment that material is realized by the setting automatic feed/discharge circulatory system, has certainly
The high advantage of dynamicization degree；By the way that auto temperature controlled system is arranged, and limit waste heat preheating section, prebake section, drying section, heating
Section, sintering zone and cooling area length ratio, and then be convenient to control the intracorporal temperature curve of kiln, sintering can be effectively improved
Waste heat is sent to waste heat preheating section and waste heat prebake section in combination with exhaust fan, can be improved utilization results of energy by effect, drop
Low energy consumption.
The waste heat preheating section 6 of the present embodiment, prebake section 7, drying section 8, warming-up section 9, sintering zone 10 and cooling area 11
Length ratio is 7.5:22.5:6:10:8:21, and the length ratio between waste heat prebake section 7a and heating prebake section 7b is
12.5:10.The overall length of the kiln of the present embodiment is set as 75 meters, waste heat preheating section 6, prebake section 7, drying section 8, warming-up section 9,
The length of sintering zone 10 and cooling area 11 is respectively 7.5 meters, 22.5 meters, 6 meters, 10 meters, 8 meters, 21 meters, and waste heat prebake section 7a
Length with heating prebake section 7b is respectively 12.5 meters and 10 meters.The Resistant heating section 9a and globar of the present embodiment are heated
Length ratio between section 9b is that the length of 4:6, i.e. Resistant heating section 9a and globar bringing-up section 9b are respectively 4 meters and 6 meters.
The double-layer stacked type roller way kiln of the present embodiment further includes auto temperature controlled system, and auto temperature controlled system controls in kiln body
Temperature curve are as follows:
Temperature in upper layer kiln body 1 is gradually increased along material direction of advance, and the temperature curve in upper layer kiln body 1 are as follows:
y=T1x/30a+T0
Wherein, a is the element length of kiln body, i.e. waste heat preheating section, prebake section, drying section, warming-up section, sintering zone and drop
The length of warm area is respectively 7.5a, 22.5a, 6a, 10a, 8a, 21a, a=1 meter of the present embodiment；
T1For the maximum temperature of 1 rear end of upper layer kiln, when the double-layer stacked type roller way kiln of the present embodiment is for being sintered forever
When magnetic ferrites, T1=400℃；T0For room temperature.
Temperature curve in drying section 8 and warming-up section 9 are as follows:
y=(T2-T1)(x-30a)/16a+T1
Wherein, T2For sintering temperature, when the double-layer stacked type roller way kiln of the present embodiment is used for sintering permanent magnet ferrite,
T2=1200-1260℃；
Temperature curve in sintering zone 10 are as follows: y=T2；
Temperature curve in cooling area 11 are as follows: y=(T3-T2)(x-54a)/21a+T2
Wherein, T3Drop temperature for the drop temperature of setting, the present embodiment is set as room temperature.
It is found through experiment that the double-layer stacked type roller way kiln of the present embodiment be used for sintering permanent magnet ferrite when, achieve with
Lower technical effect:
1, energy saving: the specific energy consumption of sintering permanent magnet ferrite is less than 0.55kW h/kg, reduces than conventional monolayers roller furnace
About 25%, production energy consumption is significantly reduced, electric energy is saved；
2. production capacity: greatly improving production yields, the permanent-magnet ferrite production yields of single device has been more than 18 at present
Ton/day, about 1 times is improved than conventional monolayers roller furnace；
3. occupied area is small: not increasing occupied area while greatly increasing yield and reducing energy consumption, saved factory
Room construction cost.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (9)
1. a kind of double-layer stacked type roller way kiln, it is characterised in that: including kiln body and the automatic feed/discharge circulatory system；
The kiln body includes lower layer's kiln body and the upper layer kiln body that is arranged in above lower layer's kiln body, the front end of the upper layer kiln body
Equipped with feed inlet, the front end of lower layer's kiln body is equipped with discharge port, behind the rear end of the upper layer kiln body and lower layer's kiln body
End alignment, the automatic feed/discharge circulatory system include that feeding mechanism and the discharge port are correspondingly arranged at the feed inlet
The discharging mechanism and setting being correspondingly arranged are used between upper layer kiln body rear end and lower layer's kiln body rear end by the upper layer kiln
Intracorporal material transfer is to the intracorporal material transporting mechanism of lower layer's kiln；It is respectively equipped in the upper layer kiln body and lower layer's kiln body
Roller-way for driving material to advance；
Along the direction of advance of the material, waste heat preheating section, prebake section, drying section, heating are successively arranged in the kiln body
Section, sintering zone and cooling area, wherein the waste heat preheating section and prebake section are arranged in the upper layer kiln body, the drying
Section, warming-up section, sintering zone and cooling area are arranged in lower layer's kiln body；The prebake section includes preheating close to the waste heat
The heating prebake section of the waste heat prebake section of section and the separate waste heat preheating section；Exhaust fan, institute are equipped in the cooling area
The air outlet for stating exhaust fan is connected with the waste heat preheating section and waste heat prebake section respectively；
The feeding mechanism includes charging roller, for the elevator by material lifting to upper layer kiln body place height and position
Structure and feeding roller-way for material to be delivered to the feed inlet；The hoisting mechanism includes that frame is expected in lift carriage and promotion,
The top of the lift carriage is equipped with promotion motor and rotatable engagement is mounted on the promotion crossbeam in the lift carriage, described to mention
The output shaft of lifting motor and described promoted are equipped with for driving the worm type of reduction gearing for promoting crossbeam and rotating between crossbeam
I, the both ends for promoting crossbeam are respectively equipped with top sprocket wheel, and the lower part of the lift carriage and the top sprocket wheel correspond
Equipped with lower part sprocket wheel, between the corresponding top sprocket wheel and lower part sprocket wheel be equipped with promoted chain, two promotion chains respectively with
The promotion material frame is fixedly connected；
The promotion material frame includes splicing roller-way, and the lower section of the splicing roller-way is equipped with mounting rack, and the mounting rack, which is equipped with, to be used
In the splicing motor for driving the splicing roller bed rotation；
The feeding roller-way includes and splicing roller-way docking and parallel with the intracorporal roller-way of upper layer kiln is arranged in auxiliary
It helps roller-way, the auxiliary roller-way and is arranged between the roller-way at the feed inlet and is equipped with chain type feeding mechanism,
The waste heat preheating section, prebake section, drying section, warming-up section, sintering zone and the length ratio of cooling area are 7.5:22.5:
6:10:8:21, and the length ratio between the waste heat prebake section and the heating prebake section is 12.5:10, the electricity
Hindering the length ratio between silk bringing-up section and the globar bringing-up section is 4:6；
The double-layer stacked type roller way kiln further includes auto temperature controlled system, and auto temperature controlled system controls the intracorporal temperature curve of kiln
Are as follows:
Temperature in upper layer kiln body 1 is gradually increased along material direction of advance, and the temperature curve in upper layer kiln body 1 are as follows:
Y=T1x/30a+T0
Wherein, a is the element length of kiln body, i.e. waste heat preheating section, prebake section, drying section, warming-up section, sintering zone and cooling area
Length be respectively 7.5a, 22.5a, 6a, 10a, 8a, 21a, the a=1 rice of the present embodiment；
T1For the maximum temperature of 1 rear end of upper layer kiln, when the double-layer stacked type roller way kiln of the present embodiment is used for sintered permanent oxygen
When body, T1=400 DEG C；T0For room temperature；
Temperature curve in drying section 8 and warming-up section 9 are as follows:
Y=(T2-T1)(x-30a)/16a+T1
Wherein, T2For sintering temperature, when the double-layer stacked type roller way kiln of the present embodiment is used for sintering permanent magnet ferrite, T2=
1200-1260℃；
Temperature curve in sintering zone 10 are as follows: y=T2；
Temperature curve in cooling area 11 are as follows: y=(T3-T2)(x-54a)/21a+T2
Wherein, T3Drop temperature for the drop temperature of setting, the present embodiment is set as room temperature.
2. double-layer stacked type roller way kiln according to claim 1, it is characterised in that: be equipped in the waste heat prebake section
Resistant heating device I below roller-way, and the air outlet phase on the top of the waste heat prebake section and the exhaust fan
Connection.
3. double-layer stacked type roller way kiln according to claim 2, it is characterised in that: be equipped in the heating prebake section
It is located at the Resistant heating device II of the roller-way or more two sides.
4. double-layer stacked type roller way kiln according to claim 3, it is characterised in that: be equipped with position respectively in the drying section
The Resistant heating device III of two sides above and below the roller-way.
5. double-layer stacked type roller way kiln according to claim 4, it is characterised in that: the warming-up section includes that resistance wire adds
Hot arc and globar bringing-up section, the Resistant heating section are arranged close to the drying section, and set in the Resistant heating section
There is the Resistant heating device IV for being located at the roller-way or more two sides, is equipped in the globar bringing-up section and is located at institute
State the globar heating device I of roller-way or more two sides.
6. double-layer stacked type roller way kiln according to claim 5, it is characterised in that: be equipped with position respectively in the sintering zone
The globar heating device II of two sides above and below the roller-way.
7. double-layer stacked type roller way kiln according to claim 1, it is characterised in that: the chain type feeding mechanism includes point
Not with the sprocket wheel that is correspondingly arranged of roller-way at the auxiliary roller-way and upper layer kiln feed inlet, feeding is equipped between the sprocket wheel
Chain.
8. double-layer stacked type roller way kiln according to claim 7, it is characterised in that: the feeding chain is set as mutually flat
Capable at least two；The lift carriage is equipped with for covering the sleeve on the promotion chain.
9. double-layer stacked type roller way kiln according to claim 8, it is characterised in that: the end of the charging roller is equipped with
For detect material whether sensor I in place, the lift carriage is equipped with expects for measuring and limiting promotions respectively
The contact sensor I and contact sensor II of frame upper and lower position, the auxiliary roller-way are equipped with described for material to be located in
The roller-way at the feed inlet is arranged in equipped with the limit for limiting the material position in contact sensor III on feeding chain
Position baffle.
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| CN201611255499.6A CN106766875B (en) | 2016-12-30 | 2016-12-30 | Double-layer stacked type roller way kiln |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106524751B (en) * | 2016-12-30 | 2019-01-11 | 重庆凌达磁材科技有限公司 | Full-automatic string stacked type double-layer roller table kiln |
| CN107144126A (en) * | 2017-06-26 | 2017-09-08 | 湖北华夏窑炉工业(集团)有限公司 | Wet pressing ferrite magnetic material dry heat system |
| CN117268096B (en) * | 2023-11-21 | 2024-02-02 | 江苏博涛智能热工股份有限公司 | Double-layer kiln with double-track external circulation line |
| CN118031616A (en) * | 2024-04-09 | 2024-05-14 | 佛山市景鑫达陶瓷机械有限公司 | Roller way type drying kiln for microcrystalline production |
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