CN106524753A - Full-automatic double-layer electric heating roller way kiln - Google Patents

Full-automatic double-layer electric heating roller way kiln Download PDF

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Publication number
CN106524753A
CN106524753A CN201611258940.6A CN201611258940A CN106524753A CN 106524753 A CN106524753 A CN 106524753A CN 201611258940 A CN201611258940 A CN 201611258940A CN 106524753 A CN106524753 A CN 106524753A
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CN
China
Prior art keywords
section
kiln body
waste heat
kiln
way
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611258940.6A
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Chinese (zh)
Inventor
陈维军
黄建明
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Chongqing Lingda Industrial Co Ltd
Original Assignee
Chongqing Lingda Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Lingda Industrial Co Ltd filed Critical Chongqing Lingda Industrial Co Ltd
Priority to CN201611258940.6A priority Critical patent/CN106524753A/en
Publication of CN106524753A publication Critical patent/CN106524753A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/06Furnaces 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
    • F27B9/062Furnaces 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
    • F27B9/063Resistor heating, e.g. with resistors also emitting IR rays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14Furnaces 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
    • F27B9/20Furnaces 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
    • F27B9/24Furnaces 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
    • F27B9/2407Furnaces 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)
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36Arrangements of heating devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36Arrangements of heating devices
    • F27B2009/3607Heaters located above the track of the charge
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36Arrangements of heating devices
    • F27B2009/3638Heaters located above and under the track

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Tunnel Furnaces (AREA)

Abstract

The invention discloses a full-automatic double-layer electric heating roller way kiln. The full-automatic double-layer electric heating roller way kiln comprises a kiln body and an automatic feeding and discharging circulation system. The kiln body comprises a lower kiln body layer and an upper kiln body layer. A feeding inlet is formed in the front end of the upper kiln body layer. A discharging outlet is formed in the front end of the lower kiln body layer. The rear end of the upper kiln body layer is flush with the rear end of the lower kiln body layer. The automatic feeding and discharging circulation system comprises a feeding mechanism arranged corresponding to the feeding inlet, a discharging mechanism arranged corresponding to the discharging outlet, and a transferring mechanism used for transferring materials in the upper kiln body layer into the lower kiln body layer. The upper kiln body layer and the lower kiln body layer are internally provided with roller ways correspondingly. A waste heat preheating section, a pre-drying section, a drying section, a temperature increasing section, a sintering zone and a temperature decreasing zone are sequentially arranged in the kiln body in the advancing direction of the materials. The pre-drying section comprises a waste heat pre-drying section close to the waste heat preheating section, and a heating pre-drying section away from the waste heat preheating section. An exhaust fan is arranged in the temperature decreasing zone. An air outlet of the exhaust fan communicates with the waste heat preheating section and the waste heat pre-drying section.

Description

Automatic double-layer electrical heating roller way kiln
Technical field
The invention belongs to kiln technical field, is specifically a kind of automatic double-layer electrical heating roller way kiln.
Background technology
Single channel unidirectional operation being adopted traditional electrical kiln, product is in electric kiln body through preheating zone, the thermal treatment zone, high temperature more Area, heat preservation zone and cooling area, and heating tube is distributed with the both sides for burning till duct the product in kiln is heated, extensively apply Produce in structural ceramics, function ceramics, fluorescent material, rare earth material, lithium battery material (cobalt acid lithium), magnetic material, nano material etc. The sintering of product, but this electrical kiln heat utilization efficiency in heating process is low, high energy consumption, and the efficiency of energy utilization for improving kiln already becomes Industry-by-industry carries out the emphasis of energy-saving and emission-reduction.
The Chinese patent of Publication No. CN 205262173U discloses a kind of double-deck sintering kiln, including kiln, middle to protect Kiln is divided into two-layer by warm layer, and each layer has preheating zone, high-temperature region and cooling zone successively, and bilevel high-temperature region is located at kiln Interlude, upper strata preheating zone are located on the right side of kiln with lower floor cooling zone, and lower floor preheating zone is located on the left of kiln with upper strata cooling zone, Each cooling zone configures a cooling and squeezes into blower fan, and upper strata cooling zone is also configured with a cooling takes out air-heater cooling hot blast is sent to Lower floor preheating zone, and lower floor cooling zone is sent to upper strata preheating zone, each layer preheating zone configuration one hot blast in intermediate insulating layer perforate Platform wet-emitting blower, each section of kiln have roll-type conveyer, and there is travelling platform at kiln two ends.Although the double-deck sintering kiln is one Determine in degree, to reach the technical purpose of energy saving, but, the two-layer independent operating up and down of the kiln, equivalent to two lists The superposition of the kiln of passage unidirectional operation, it is impossible to play the technique effect for reducing floor space.
The content of the invention
In view of this, it is an object of the invention to provide a kind of automatic double-layer electrical heating roller way kiln, with automation The advantage that degree is high, energy-saving, floor space is little and production capacity is high.
To reach above-mentioned purpose, the present invention provides following technical scheme:
A kind of automatic double-layer electrical heating roller way kiln, including kiln body and the automatic feed/discharge circulatory system;
The kiln body includes lower floor's kiln body and the upper strata kiln body being arranged on above lower floor's kiln body, the front end of the upper strata kiln body It is provided with charging aperture, the front end of lower floor's kiln body is provided with discharging opening, after the rear end of the upper strata kiln body and lower floor's kiln body End alignment, the automatic feed/discharge circulatory system include being correspondingly arranged at feeding mechanism and the discharging opening with the charging aperture The discharging mechanism that is correspondingly arranged and it is arranged between the upper strata kiln body rear end and lower floor's kiln body rear end for by the upper strata kiln Material transporting mechanism in internal material transfer to lower floor's kiln body;It is respectively equipped with the upper strata kiln body and lower floor's kiln body For the roller-way for driving material to advance;
Along the direction of advance of the material, waste heat preheating section, prebake section, drying section, intensification in the kiln body, are sequentially provided with Section, sintering zone and cooling area, wherein, the waste heat preheating section and prebake section are arranged in the upper strata kiln body, the drying Section, warming-up section, sintering zone and cooling area are arranged in lower floor's kiln body;The prebake section includes preheating near the waste heat The waste heat prebake section and the heating prebake section away from the waste heat preheating section of section;Air exhauster, institute are provided with the cooling area The air outlet for stating air exhauster is connected with the waste heat preheating section and waste heat prebake section respectively.
Further, the Resistant heating device I being provided with the waste heat prebake section below roller-way, and the waste heat The top of prebake section is connected with the air outlet of the air exhauster.
Further, Resistant heating device respectively positioned at the upper and lower both sides of the roller-way is provided with the heating prebake section Ⅱ。
Further, the Resistant heating device III respectively positioned at the upper and lower both sides of the roller-way is provided with 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 is arranged, and the Resistant heating being provided with the Resistant heating section respectively positioned at the upper and lower both sides of the roller-way is filled IV is put, the globar heater I respectively positioned at the upper and lower both sides of the roller-way in the globar bringing-up section, is provided with.
Further, the length ratio of the waste heat preheating section, prebake section, drying section, warming-up section, sintering zone and cooling area For 7.5:22.5:6:10:8:Length ratio between 21, and 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 is 4:6.
Further, the globar heater II respectively positioned at the upper and lower both sides of the roller-way is provided with the sintering zone.
The beneficial effects of the present invention is:
The automatic double-layer electrical heating roller way kiln of the present invention, by kiln body is set to upper strata kiln body and lower floor's kiln body, and sets Feeding mechanism and material transporting mechanism are put, thus, material can be entered in kiln body from the charging aperture being arranged in the kiln body of upper strata, Jing burns From the discharge hole for discharge being arranged in lower floor's kiln body after knot, i.e., an entirety between upper strata kiln body and lower floor's kiln body, is formed, it is identical The area that the kiln body of length takes is less;The automatic transhipment of material is realized by arranging the automatic feed/discharge circulatory system, with certainly The high advantage of dynamicization degree;Waste heat is delivered to into waste heat preheating section and waste heat prebake section using air exhauster, it is possible to increase energy profit With effect, reducing energy consumption.
Jing tests find, when the automatic double-layer electrical heating roller way kiln of the present invention is used for sintered permanent ferrite, obtain Following technique effect:
1st, energy-conservation:The specific energy consumption of sintered permanent ferrite is less than 0.55kW h/kg, reduces about than conventional monolayers roller furnace 25%, energy consumption is significantly reduced, electric energy is saved;
2. production capacity:Drastically increase production yields, the permanent-magnet ferrite production yields of current single device exceeded 18 tons/ My god, about 1 times is improve than conventional monolayers roller furnace;
3. floor space is little:Do not increase floor space while yield and reducing energy consumption is greatly increased, saved factory building and built It is set as this.
Description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carries out Explanation:
Fig. 1 is the structural representation of automatic double-layer electrical heating roller way kiln embodiment of the present invention;
A detail drawings of the Fig. 2 for Fig. 1;
B detail drawings of the Fig. 3 for Fig. 1;
Structural representations of the Fig. 4 for feeding mechanism;
Top views of the Fig. 5 for Fig. 4;
Left views of the Fig. 6 for Fig. 4;
Structural representations of the Fig. 7 for material transporting mechanism;
Fig. 8 is the structural representation of transfer carriage and transhipment bin;
Left views of the Fig. 9 for Fig. 8;
Figure 10 is the present embodiment for temperature profile during sintered permanent ferrite.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in figure 1, for the structural representation of automatic double-layer electrical heating roller way kiln embodiment of the present invention.The present embodiment Automatic double-layer electrical heating roller way kiln, including kiln body and the automatic feed/discharge circulatory system.
The kiln body of the present embodiment includes lower floor's kiln body 2 and the upper strata kiln body 1 being arranged on above lower floor's kiln body 2, upper strata kiln body 1 Front end be provided with charging aperture 3, the front end of lower floor's kiln body 2 is provided with discharging opening 4, the rear end of upper strata kiln body 1 and the rear end of lower floor's kiln body 2 Alignment.The automatic feed/discharge circulatory system of the present embodiment includes being correspondingly arranged at feeding mechanism and discharging opening 4 pairs with charging aperture 3 The discharging mechanism that should arrange and it is arranged between 2 rear end of 1 rear end of upper strata kiln body and lower floor's kiln body for by the thing in upper strata kiln body 1 Material is transported to the material transporting mechanism in lower floor's kiln body 2.Use is respectively equipped with the upper strata kiln body 1 and lower floor's kiln body 2 of the present embodiment In the roller-way 5 for driving material to advance.
Along the direction of advance of material, waste heat preheating section 6, prebake section 7, drying section 8, warming-up section in kiln body, are sequentially provided with 9th, sintering zone 10 and cooling area 11, wherein, waste heat preheating section 6 and prebake section 7 are arranged in upper strata kiln body 1, drying section 8, liter Temperature section 9, sintering zone 10 and cooling area 11 are arranged in lower floor's kiln body 2.Prebake section 7 includes the waste heat near waste heat preheating section 6 Prebake section 7a and heating prebake section 7b away from waste heat preheating section 6.Air exhauster 12 is provided with cooling area 11, air exhauster 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 being provided with waste heat prebake section 7a below roller-way 5, and waste heat is pre- The top of drying section 7a is connected with the air outlet of air exhauster 12.It is provided with heating prebake section 7b of the present embodiment and is located at respectively The Resistant heating device II 14 of roller-way both sides about 5.It is provided with the drying section 8 of the present embodiment respectively positioned at roller-way two about 5 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 Resistance silk bringing-up section 9a is arranged near drying section 8, and resistance respectively positioned at roller-way both sides about 5 is provided with Resistant heating section 9a Silk heater IV 16, is provided with the globar heater I 17 respectively positioned at roller-way both sides about 5 in globar bringing-up section 9b. Globar heater II respectively positioned at roller-way both sides about 5,6 He of waste heat preheating section are provided with the sintering zone 10 of the present embodiment Heater is not provided with cooling area 11, by waste heat preheating section 6, prebake section 7, drying section 8, warming-up section 9, sintering zone 10 The heater of variety classes and quantity is respectively provided with cooling area 11, is capable of achieving in kiln in conjunction with auto temperature controlled system The effective control of warm area curve, controls the speed of roller-way 5, you can guarantee material according to the temperature curve of setting and the time of setting Scope carries out preheating, dry, sinter and cooling down, it is ensured that the sintering process of material is carried out according to the process route of setting.
Further, the feeding mechanism of the present embodiment include charging roller 19, for material lifting is located to upper strata kiln body 1 The hoisting mechanism of height and position and the feeding roller-way for material to be delivered to charging aperture.Hoisting mechanism includes 20 He of lift carriage Bin 21 is lifted, the top of lift carriage 20 is provided with the lifting horizontal stroke of lifting motor 22 and rotatable engagement in lift carriage 20 Beam 23, is provided between the output shaft and lifting crossbeam 23 of lifting motor 22 for driving the worm and gear for lifting the rotation of crossbeam 23 to subtract Fast device I 24, lift crossbeam 23 are respectively arranged at two ends with top sprocket wheel 25,25 1 a pair of bottom and the top sprocket wheel of lift carriage 20 Bottom sprocket wheel should be provided with, lifting chain 26 between corresponding top sprocket wheel 25 and bottom sprocket wheel, is provided with, two lifting chains 26 respectively with Lift bin 21 to be fixedly connected.The lifting bin of the present embodiment includes splicing roller-way 27, and the lower section of splicing roller-way 27 is provided with installation Frame 28, installing rack 28 are provided with the splicing motor 29 for driving splicing roller-way 27 to rotate.The feeding roller-way of the present embodiment includes Dock with splicing roller-way 27 and the auxiliary roller-way 30 parallel with the roller-way 5 being arranged in upper strata kiln body 1, aid in roller-way 30 and arrange Chain type feed mechanism is provided between the roller-way 5 at charging aperture 3.The lift carriage 20 of the present embodiment is provided with described for being enclosed within Lift the sleeve 33 on chain 26.
The chain type feed mechanism of the present embodiment include respectively with auxiliary roller-way 30 and upper strata kiln charging aperture 3 at roller-way 5 The sprocket wheel 31 being correspondingly arranged, is provided with feeding chain 32 between the sprocket wheel 31, feeding chain 32 is set at least two for being parallel to each other, The feeding chain 32 of the present embodiment is set to two for being parallel to each other.The charging roller 19 of the present embodiment, auxiliary roller-way 30 and chain type Feed mechanism is equipped with power set, is not repeated.
The end of the charging roller 19 of the present embodiment is provided with for detecting material whether sensor I in place, lift carriage 20 are provided with for measurement respectively and the spacing feeler I and feeler II for lifting 21 upper-lower position of bin, auxiliary Roller-way 30 is provided with the feeler III for being positioned at material on feeding chain, is arranged on the roller-way 5 at charging aperture 3 and sets There is the postive stop baffle for limited object discharge position.Thus, automatically the material on charging roller 19 can be fed to charging aperture 3 Place, realizes automatic charging.
Further, the material transporting mechanism of the present embodiment includes closed heat insulation and lid is mounted in upper strata kiln body 1 and lower floor's kiln body 2 The transport box 34 of rear end, is provided with transfer carriage 35 and transhipment bin 36 in transport box 34, the top of transfer carriage 35 is provided with transhipment motor 37 and rotatable engagement be arranged on transfer carriage 35 on transhipment crossbeam 38, transport motor 37 output shaft and transhipment crossbeam 38 between set Have a worm type of reduction gearing II 39, and transport crossbeam 38 be respectively arranged at two ends with top transhipment sprocket wheel 40, on transfer carriage 35 with it is upper Portion's transhipment sprocket wheel 40 is corresponded and is provided with bottom transhipment sprocket wheel, is set between corresponding top transhipment sprocket wheel 40 and bottom transhipment sprocket wheel There is transport chain 41, two transport chains 41 are fixedly connected with transhipment bin 36 respectively.The transfer carriage 35 of the present embodiment be provided with for The sleeve 42 being enclosed within the transport chain 41.The transhipment bin 36 of the present embodiment includes transporting roller-way 43, sets on transhipment roller-way 43 There is transhipment roller, the roller-way 5 being arranged in lower floor's kiln body 2 is stretched in transport box 34, and transport transhipment roller and the position of roller-way 43 It is crisscross arranged between the conveying roller of the roller-way in transport box 34, thus, i.e. using the dynamic of the roller-way being located in transport box 34 Power is delivered to material in lower floor's kiln body 2.
Heat insulation layer 44 is provided with the transport box 34 of the present embodiment, and transport box 34 is provided with maintenance door 45.This enforcement The feeler VI and sensing contact of measurement spacing transhipment bin upper-lower position are respectively provided with the transfer carriage 35 of example Device V, transhipment bin 36 are provided with above transhipment roller-way and for detecting material whether sensor II in place.
Certainly, the mechanism that feeding mechanism can also adopt other similar with material transporting mechanism realizes, is not repeated.
The automatic double-layer electrical heating roller way kiln of the present embodiment, by kiln body is set to upper strata kiln body and lower floor's kiln Body, and feeding mechanism and material transporting mechanism are set, thus, material can enter kiln body from the charging aperture being arranged in the kiln body of upper strata It is interior, it is sintered after between the discharge hole for discharge being arranged in lower floor's kiln body, i.e. upper strata kiln body and lower floor's kiln body formed one it is whole Body, the area that the kiln body of equal length takes are less;The automatic transhipment of material is realized by arranging the automatic feed/discharge circulatory system, There is high degree of automation;By arrange auto temperature controlled system, and limit waste heat preheating section, prebake section, drying section, The length ratio of warming-up section, sintering zone and cooling area, and then the temperature curve in kiln body can be easily controlled, can effectively improve Waste heat is delivered to waste heat preheating section and waste heat prebake section in combination with air exhauster by sintering effect, it is possible to increase using energy source is imitated Really, reducing 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 waste heat prebake section 7a and heating prebake section 7b between length ratio be 12.5:10.The overall length of the kiln of the present embodiment is set to 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 12.5 meters and 10 meters are respectively with the length of heating prebake section 7b.Resistant heating section 9a of the present embodiment is heated with globar Length ratio between section 9b is 4:6, i.e. Resistant heating section 9a are respectively 4 meters and 6 meters with the length of globar bringing-up section 9b.
The automatic double-layer electrical heating roller way kiln of the present embodiment also includes auto temperature controlled system, auto temperature controlled system control Temperature curve in kiln body is:
Temperature in upper strata kiln body 1 gradually increases along material direction of advance, and the temperature curve in upper strata kiln body 1 is:
y=T1x/30a+T0
Wherein, element lengths of a for 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 strata kiln, when the automatic double-layer electrical heating roller way kiln of the present embodiment is used to sinter During permanent-magnet ferrite, T1=400℃;T0For room temperature.
Temperature curve in drying section 8 and warming-up section 9 is:
y=(T2-T1)(x-30a)/16a+T1
Wherein, T2For sintering temperature, when the automatic double-layer electrical heating roller way kiln of the present embodiment is used for sintered permanent ferrite When, T2=1200-1260℃;
Temperature curve in sintering zone 10 is:y=T2
Temperature curve in cooling area 11 is:y=(T3-T2)(x-54a)/21a+T2
Wherein, T3For the drop temperature of setting, the drop temperature of the present embodiment is set as room temperature.
Jing tests find, when the automatic double-layer electrical heating roller way kiln of the present embodiment is used for sintered permanent ferrite, take Obtained following technique effect:
1st, energy-conservation:The specific energy consumption of sintered permanent ferrite is less than 0.55kW h/kg, reduces about than conventional monolayers roller furnace 25%, energy consumption is significantly reduced, electric energy is saved;
2. production capacity:Drastically increase production yields, the permanent-magnet ferrite production yields of current single device exceeded 18 tons/ My god, about 1 times is improve than conventional monolayers roller furnace;
3. floor space is little:Do not increase floor space while yield and reducing energy consumption is greatly increased, saved factory building and built It is set as this.
Embodiment described above is only to absolutely prove the present invention and the preferred embodiment lifted, the protection model of the present invention Enclose not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention Protection domain within.Protection scope of the present invention is defined by claims.

Claims (7)

1. a kind of automatic double-layer electrical heating roller way kiln, it is characterised in that:Including kiln body and the automatic feed/discharge circulatory system;
The kiln body includes lower floor's kiln body and the upper strata kiln body being arranged on above lower floor's kiln body, the front end of the upper strata kiln body It is provided with charging aperture, the front end of lower floor's kiln body is provided with discharging opening, after the rear end of the upper strata kiln body and lower floor's kiln body End alignment, the automatic feed/discharge circulatory system include being correspondingly arranged at feeding mechanism and the discharging opening with the charging aperture The discharging mechanism that is correspondingly arranged and it is arranged between the upper strata kiln body rear end and lower floor's kiln body rear end for by the upper strata kiln Material transporting mechanism in internal material transfer to lower floor's kiln body;It is respectively equipped with the upper strata kiln body and lower floor's kiln body For the roller-way for driving material to advance;
Along the direction of advance of the material, waste heat preheating section, prebake section, drying section, intensification in the kiln body, are sequentially provided with Section, sintering zone and cooling area, wherein, the waste heat preheating section and prebake section are arranged in the upper strata kiln body, the drying Section, warming-up section, sintering zone and cooling area are arranged in lower floor's kiln body;The prebake section includes preheating near the waste heat The waste heat prebake section and the heating prebake section away from the waste heat preheating section of section;Air exhauster, institute are provided with the cooling area The air outlet for stating air exhauster is connected with the waste heat preheating section and waste heat prebake section respectively.
2. automatic double-layer electrical heating roller way kiln according to claim 1, it is characterised in that:The waste heat prebake section The Resistant heating device I being inside provided with below roller-way, and the top of the waste heat prebake section and the air exhauster go out Air port is connected.
3. automatic double-layer electrical heating roller way kiln according to claim 2, it is characterised in that:The heating prebake section Resistant heating device II respectively positioned at the upper and lower both sides of the roller-way is provided with inside.
4. automatic double-layer electrical heating roller way kiln according to claim 3, it is characterised in that:It is provided with the drying section Respectively positioned at the Resistant heating device III of the upper and lower both sides of the roller-way.
5. automatic double-layer electrical heating roller way kiln according to claim 4, it is characterised in that:The warming-up section includes electricity Resistance silk bringing-up section and globar bringing-up section, the Resistant heating section is arranged near the drying section, and the Resistant heating The Resistant heating device IV respectively positioned at the upper and lower both sides of the roller-way is provided with section, in the globar bringing-up section, difference is provided with Positioned at the globar heater I of the upper and lower both sides of the roller-way.
6. automatic double-layer electrical heating roller way kiln according to claim 5, it is characterised in that:The waste heat preheating section, The length ratio of prebake section, drying section, warming-up section, sintering zone and cooling area is 7.5:22.5:6:10:8:21, and it is described remaining Length ratio between hot prebake section and the heating prebake section is 12.5:10, the Resistant heating section and the carbon Length ratio between silicon rod bringing-up section is 4:6.
7. automatic double-layer electrical heating roller way kiln according to claim 5, it is characterised in that:It is provided with the sintering zone Respectively positioned at the globar heater II of the upper and lower both sides of the roller-way.
CN201611258940.6A 2016-12-30 2016-12-30 Full-automatic double-layer electric heating roller way kiln Pending CN106524753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611258940.6A CN106524753A (en) 2016-12-30 2016-12-30 Full-automatic double-layer electric heating roller way kiln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611258940.6A CN106524753A (en) 2016-12-30 2016-12-30 Full-automatic double-layer electric heating roller way kiln

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN108007157A (en) * 2017-12-01 2018-05-08 合江县华艺陶瓷制品有限公司 Dry kiln
CN110455072A (en) * 2019-08-19 2019-11-15 广东科达洁能股份有限公司 A kind of roller kilns device and the production system comprising the device
CN110455074A (en) * 2019-08-19 2019-11-15 广东科达洁能股份有限公司 Lifting device is used in a kind of production of foamed ceramic
CN111504060A (en) * 2020-05-09 2020-08-07 湖北华磁电子科技有限公司 Heat energy recovery device for soft magnetic ferrite magnetic core sintering furnace

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011094785A1 (en) * 2010-02-04 2011-08-11 Ebner Industrieofenbau Gesellschaft M.B.H. Device for heat-treating sheet metal blanks
CN203083344U (en) * 2013-02-04 2013-07-24 江苏新旭磁电科技有限公司 Dry pressing isomerism magnetic tile full-automatic roller way kiln
CN105423748A (en) * 2015-12-04 2016-03-23 中国电子科技集团公司第四十八研究所 Double-layer roller kiln with warm areas distributed in stagger
CN105423749A (en) * 2015-12-04 2016-03-23 中国电子科技集团公司第四十八研究所 Energy-saving type split double-layer roller way electrical kiln for permanent magnetic ferrite sintering
CN206618259U (en) * 2016-12-30 2017-11-07 重庆凌达磁材科技有限公司 Automatic double-layer electrical heating roller way kiln

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011094785A1 (en) * 2010-02-04 2011-08-11 Ebner Industrieofenbau Gesellschaft M.B.H. Device for heat-treating sheet metal blanks
CN203083344U (en) * 2013-02-04 2013-07-24 江苏新旭磁电科技有限公司 Dry pressing isomerism magnetic tile full-automatic roller way kiln
CN105423748A (en) * 2015-12-04 2016-03-23 中国电子科技集团公司第四十八研究所 Double-layer roller kiln with warm areas distributed in stagger
CN105423749A (en) * 2015-12-04 2016-03-23 中国电子科技集团公司第四十八研究所 Energy-saving type split double-layer roller way electrical kiln for permanent magnetic ferrite sintering
CN206618259U (en) * 2016-12-30 2017-11-07 重庆凌达磁材科技有限公司 Automatic double-layer electrical heating roller way kiln

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN108007157A (en) * 2017-12-01 2018-05-08 合江县华艺陶瓷制品有限公司 Dry kiln
CN110455072A (en) * 2019-08-19 2019-11-15 广东科达洁能股份有限公司 A kind of roller kilns device and the production system comprising the device
CN110455074A (en) * 2019-08-19 2019-11-15 广东科达洁能股份有限公司 Lifting device is used in a kind of production of foamed ceramic
CN110455074B (en) * 2019-08-19 2021-05-07 广东科达洁能股份有限公司 Hoisting device for foamed ceramic production
CN110455072B (en) * 2019-08-19 2021-09-17 广东科达洁能股份有限公司 Roller kiln device and production system comprising same
CN111504060A (en) * 2020-05-09 2020-08-07 湖北华磁电子科技有限公司 Heat energy recovery device for soft magnetic ferrite magnetic core sintering furnace
CN111504060B (en) * 2020-05-09 2020-11-27 湖北华磁电子科技有限公司 Heat energy recovery device for soft magnetic ferrite magnetic core sintering furnace

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