CN106643132A - Cascade type full-automatic double-layer electric heating roller kiln - Google Patents
Cascade type full-automatic double-layer electric heating roller kiln Download PDFInfo
- Publication number
- CN106643132A CN106643132A CN201611258955.2A CN201611258955A CN106643132A CN 106643132 A CN106643132 A CN 106643132A CN 201611258955 A CN201611258955 A CN 201611258955A CN 106643132 A CN106643132 A CN 106643132A
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- section
- kiln body
- roller
- way
- transhipment
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Classifications
-
- 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
-
- 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
-
- 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
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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
-
- 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
- F27B9/39—Arrangements of devices for discharging
-
- 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
-
- 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
- F27B9/38—Arrangements of devices for charging
- F27B2009/382—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
- F27B9/38—Arrangements of devices for charging
- F27B2009/384—Discharging
Abstract
The invention discloses a cascade type full-automatic double-layer electric heating roller kiln. The cascade type full-automatic double-layer electric heating roller kiln comprises a kiln body and an automatic feeding-discharge circulating system, wherein the kiln body includes a lower kiln body and an upper kiln body, the front end of the upper kiln body is provided with a feeding inlet, the front end of the lower kiln body is provided with a discharge outlet, and the rear end of the upper kiln body is aligned with the rear end of the lower kiln body; the automatic feeding-discharge circulating system comprises a feeding mechanism, a discharge mechanism and a material transferring mechanism; roller beds are arranged in in each of the upper kiln body and the lower kiln body; a waste heat preheating section, a pre-drying section, a drying section, a temperature-increasing section, a sintering area and a cooling area are sequentially arranged in the kiln body along the advancing direction of materials; the pre-drying section comprise a waste heat pre-drying section and heating pre-drying section; an exhaust fan is arranged in the cooling area, and the air outlet of the exhaust fan is respectively communicated with the waste heat preheating section and the waste heat pre-drying section. The cascade type full-automatic double-layer electric heating roller kiln further comprises an automatic temperature control system.
Description
Technical field
The invention belongs to kiln technical field, is specifically a kind of string stacked type 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 application
Produce in structural ceramicss, 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 improving the efficiency of energy utilization of 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, and centre is protected
Kiln is divided into two-layer by warm layer, and each layer has successively preheating zone, high-temperature region and cooling zone, and bilevel high-temperature region is located at kiln
Interlude, upper strata preheating zone is located at kiln right side with lower floor cooling zone, and lower floor preheating zone is located at kiln left side 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 hot-air blower 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 in intermediate insulating layer perforate hot blast
Platform wet-emitting blower, each section of kiln has roll-type transporter, and there is travelling platform at kiln two ends.Although the double-deck sintering kiln is one
Determine the technical purpose that energy saving can be reached in degree, 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 string stacked type automatic double-layer electrical heating roller way kiln, has
High degree of automation, the advantage that 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 string stacked type automatic double-layer electrical heating roller way kiln, including kiln body and automatic feed/discharge blood circulation；
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
Charging aperture is provided with, 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 blood circulation includes being correspondingly arranged at feeding mechanism and the discharging opening with the charging aperture
The discharging mechanism that is correspondingly arranged and being arranged between the upper strata kiln body rear end and lower floor's kiln body rear end is used for 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 are sequentially provided with the kiln body
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 is included near waste heat preheating
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 respectively with the waste heat preheating section and waste heat prebake section；
The length ratio of the waste heat preheating section, prebake section, drying section, warming-up section, sintering zone and cooling area is 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 material transporting mechanism includes closed heat insulation and lid is mounted in the transport box of the upper strata kiln body and lower floor's kiln body rear end, institute
State and be provided with transport box transfer carriage and transhipment bin, transhipment motor is provided with the top of the transfer carriage and rotatable engagement is arranged on institute
The transhipment crossbeam on transfer carriage is stated, between the output shaft of the transhipment motor and the transhipment crossbeam worm type of reduction gearing is provided with
II, and sprocket wheel is transported on the top that is respectively arranged at two ends with of the transhipment crossbeam, and sprocket wheel one is transported with the top on the transfer carriage
One is correspondingly provided with bottom transhipment sprocket wheel, and the corresponding top transhipment sprocket wheel and bottom are transported and transport chain is provided between sprocket wheel, and two
Transport chain described in root is fixedly connected respectively with the transhipment bin；
The transhipment bin includes transhipment roller-way, and the transhipment roller-way is provided with transhipment roller, is arranged in lower floor's kiln body
Roller-way is stretched in the transport box, and the transhipment roller and the roller-way being located in the transport box of the transhipment roller-way
It is crisscross arranged between conveying roller；
Also include auto temperature controlled system, the temperature curve that the auto temperature controlled system is controlled in the kiln body is：
Temperature in the upper strata kiln body gradually increases along the material direction of advance, and the temperature in the upper strata kiln body
Line of writing music is：
y=T1x/30a+T0
Wherein, a for kiln body element length, i.e., described 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；
T1For the maximum temperature of upper strata kiln rear end；T0For room temperature；
Temperature curve in the drying section and warming-up section is：
y=(T2-T1)(x-30a)/16a+T1
Wherein, T2For sintering temperature；
Temperature curve in the sintering zone is：y=T2；
Temperature curve in the cooling area is：y=(T3-T2)(x-54a)/21a+T2
Wherein, T3For the drop temperature of setting.
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, it is provided with respectively positioned at the Resistant heating device of the upper and lower both sides of the roller-way in the heating prebake section
Ⅱ。
Further, 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.
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 is provided with the Resistant heating section respectively positioned at the Resistant heating dress of the upper and lower both sides of the roller-way
IV is put, is provided with the globar bringing-up section respectively positioned at the globar heater I of the upper and lower both sides of the roller-way；The resistance
Length ratio between silk bringing-up section and the globar bringing-up section is 4:6.
Further, 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.
Further, measurement is respectively provided with the transfer carriage and the contact of the spacing transhipment bin upper-lower position is passed
Sensor VI and touch sensor V, the transhipment bin is provided with positioned at the transhipment roller-way top and for whether detecting material
Sensor II in place.
Further, it is provided with heat insulation layer in the transport box.
Further, the transport box is provided with maintenance door.
Further, the transfer carriage is provided with the sleeve for being enclosed within the transport chain.
The beneficial effects of the present invention is：
The string stacked type automatic double-layer electrical heating roller way kiln of the present invention, by the way that kiln body is set to into 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 is less；The automatic transhipment of material is realized by arranging automatic feed/discharge blood circulation,
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
Sintering effect, waste heat preheating section and waste heat prebake section are delivered in combination with air exhauster by waste heat, it is possible to increase utilization of energy is imitated
Really, reducing energy consumption.
Jing tests find that the string stacked type automatic double-layer electrical heating roller way kiln of the present invention is used for sintered permanent ferrite
When, achieve 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%, significantly reduce energy consumption, saves energy；
2. production capacity：Drastically increase production yields, the permanent-magnet ferrite production yields of current single device exceeded 18 tons/
My god, improve about 1 times 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 string stacked type automatic double-layer electrical heating roller way kiln embodiment of the present invention；
Fig. 2 is the A detail drawings of Fig. 1；
Fig. 3 is the B detail drawings of Fig. 1；
Fig. 4 is the structural representation 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 representation of material transporting mechanism；
Fig. 8 is the structural representation of transfer carriage and transhipment bin；
Fig. 9 is the left view of Fig. 8；
Figure 10 is the present embodiment for temperature profile during sintered permanent ferrite.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described with specific embodiment, 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 string stacked type automatic double-layer electrical heating roller way kiln embodiment of the present invention.This
The string stacked type automatic double-layer electrical heating roller way kiln of embodiment, including kiln body and automatic feed/discharge blood circulation.
The kiln body of the present embodiment includes lower floor's kiln body 2 and is arranged on the upper strata kiln body 1 of the top of 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 blood circulation 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 being arranged between the rear end of upper strata kiln body 1 and the rear end of lower floor's kiln body 2 is used for 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 are sequentially provided with kiln body
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 respectively with waste heat preheating section 6 and waste heat prebake section 7a.
The length ratio of waste heat preheating section 6, prebake section 7, drying section 8, warming-up section 9, sintering zone 10 and cooling area 11 is
7.5:22.5:6:10:8:Length ratio between 21, and waste heat prebake section 7a and heating prebake section 7b is 12.5:10.This
The overall length of the kiln of embodiment is set to 75 meters, waste heat preheating section 6, prebake section 7, drying section 8, warming-up section 9, the and of sintering zone 10
The length of 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 and heating preliminary drying
The length of dry section 7b is respectively 12.5 meters and 10 meters.
The string stacked type automatic double-layer electrical heating roller way kiln of the present embodiment also includes auto temperature controlled system, automatic temperature-controlled system
The temperature curve that controls in kiln body of system 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, 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 the rear end of upper strata kiln 1, when the string stacked type automatic double-layer electrical heating roller way kiln of the present embodiment is used
When sintered permanent 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 string stacked type automatic double-layer electrical heating roller way kiln of the present embodiment is used for sintering permanent magnet
During ferrite, 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.
Further, the Resistant heating device I 13 positioned at the lower section of roller-way 5 is provided with waste heat prebake section 7a, 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 is provided with Resistant heating section 9a respectively positioned at the resistance of roller-way both sides about 5
Silk heater IV 16, is provided with respectively positioned at the globar heater I 17 of roller-way both sides about 5 in globar bringing-up section 9b.
Length ratio between Resistant heating section 9a and globar bringing-up section 9b of the present embodiment is 4:6, i.e. Resistant heating section 9a
4 meters and 6 meters are respectively with the length of globar bringing-up section 9b.It is provided with the sintering zone 10 of the present embodiment and be located at respectively on roller-way 5
Heater is not provided with the globar heater II of lower both sides, waste heat preheating section 6 and cooling area 11, by preheating in waste heat
Section 6, prebake section 7, drying section 8, warming-up section 9, sintering zone 10 and cooling area 11 are respectively provided with the heating of variety classes and quantity
Device, in conjunction with auto temperature controlled system the effective control to the warm area curve in kiln is capable of achieving, and controls the speed of roller-way 5, i.e.,
Can ensure that material is preheated, dries, sintered and cooled down according to the time range of the temperature curve of setting and setting, it is ensured that material
Sintering process according to setting process route carry out.
Further, the feeding mechanism of the present embodiment include charging roller 19, for material lifting to be 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 the He of lift carriage 20
Bin 21 is lifted, the top of lift carriage 20 is provided with the lifting horizontal stroke that lifting motor 22 and rotatable engagement are arranged in lift carriage 20
Beam 23, is provided with for driving the worm and gear for lifting the rotation of crossbeam 23 to subtract between the output shaft and lifting crossbeam 23 of lifting motor 22
Fast device I 24, lift crossbeam 23 is respectively arranged at two ends with top sprocket wheel 25, a pair of bottom and the top sprocket wheel 25 1 of lift carriage 20
Bottom sprocket wheel should be provided with, lifting chain 26 is provided between corresponding top sprocket wheel 25 and bottom sprocket wheel, 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 is 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 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 be provided with for measure respectively and it is spacing lifted the upper-lower position of bin 21 touch sensor I and touch sensor II, auxiliary
Roller-way 30 is provided with the touch sensor III for being positioned at material on feeding chain, is arranged on the roller-way 5 at charging aperture 3 and sets
Have for the postive stop baffle of limited object discharge position.Thus, the material on charging roller 19 can be fed to charging aperture 3 automatically
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
Transfer carriage 35 and transhipment bin 36 are provided with the transport box 34 of rear end, 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 respectively with transhipment bin 36.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 transhipment 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 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 touch sensor VI and sensing contact of measurement and spacing transhipment bin upper-lower position are respectively provided with the transfer carriage 35 of example
Device V, transhipment bin 36 is provided with positioned at transhipment roller-way top and for detecting material whether sensor II in place.
The feeding mechanism of the present embodiment can also be realized using other similar means, is not repeated.
The string stacked type automatic double-layer electrical heating roller way kiln of the present embodiment, by by kiln body be set to upper strata kiln body and under
Layer kiln body, and feeding mechanism and material transporting mechanism are set, thus, material can be entered from the charging aperture being arranged in the kiln body of upper strata
In kiln body, it is sintered after form one 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
Individual entirety, the area that the kiln body of equal length takes is less；The automatic of material is realized by arranging automatic feed/discharge blood circulation
Transhipment, has the advantages that high degree of automation；By arranging auto temperature controlled system, and limit waste heat preheating section, prebake section, dry
The length ratio of dry section, warming-up section, sintering zone and cooling area, and then can easily control the temperature curve in kiln body, Neng Gouyou
Effect improves sintering effect, waste heat is delivered to into waste heat preheating section and waste heat prebake section in combination with air exhauster, it is possible to increase the energy
Utilizing status, reducing energy consumption.
Jing tests find that the string stacked type automatic double-layer electrical heating roller way kiln of the present embodiment is used for sintered permanent ferrite
When, achieve 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%, significantly reduce energy consumption, saves energy；
2. production capacity：Drastically increase production yields, the permanent-magnet ferrite production yields of current single device exceeded 18 tons/
My god, improve about 1 times 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 the preferred embodiment lifted to absolutely prove the present invention, 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 (10)
1. a kind of string stacked type automatic double-layer electrical heating roller way kiln, it is characterised in that：Including kiln body and automatic feed/discharge circulation
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
Charging aperture is provided with, 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 blood circulation includes being correspondingly arranged at feeding mechanism and the discharging opening with the charging aperture
The discharging mechanism that is correspondingly arranged and being arranged between the upper strata kiln body rear end and lower floor's kiln body rear end is used for 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 are sequentially provided with the kiln body
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 is included near waste heat preheating
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 respectively with the waste heat preheating section and waste heat prebake section；
The length ratio of the waste heat preheating section, prebake section, drying section, warming-up section, sintering zone and cooling area is 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 material transporting mechanism includes closed heat insulation and lid is mounted in the transport box of the upper strata kiln body and lower floor's kiln body rear end, institute
State and be provided with transport box transfer carriage and transhipment bin, transhipment motor is provided with the top of the transfer carriage and rotatable engagement is arranged on institute
The transhipment crossbeam on transfer carriage is stated, between the output shaft of the transhipment motor and the transhipment crossbeam worm type of reduction gearing is provided with
II, and sprocket wheel is transported on the top that is respectively arranged at two ends with of the transhipment crossbeam, and sprocket wheel one is transported with the top on the transfer carriage
One is correspondingly provided with bottom transhipment sprocket wheel, and the corresponding top transhipment sprocket wheel and bottom are transported and transport chain is provided between sprocket wheel, and two
Transport chain described in root is fixedly connected respectively with the transhipment bin；
The transhipment bin includes transhipment roller-way, and the transhipment roller-way is provided with transhipment roller, is arranged in lower floor's kiln body
Roller-way is stretched in the transport box, and the transhipment roller and the roller-way being located in the transport box of the transhipment roller-way
It is crisscross arranged between conveying roller；
Also include auto temperature controlled system, the temperature curve that the auto temperature controlled system is controlled in the kiln body is：
Temperature in the upper strata kiln body gradually increases along the material direction of advance, and the temperature in the upper strata kiln body
Line of writing music is：
y=T1x/30a+T0
Wherein, a for kiln body element length, i.e., described 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；
T1For the maximum temperature of upper strata kiln rear end；T0For room temperature；
Temperature curve in the drying section and warming-up section is：
y=(T2-T1)(x-30a)/16a+T1
Wherein, T2For sintering temperature；
Temperature curve in the sintering zone is：y=T2；
Temperature curve in the cooling area is：y=(T3-T2)(x-54a)/21a+T2
Wherein, T3For the drop temperature of setting.
2. string stacked type automatic double-layer electrical heating roller way kiln according to claim 1, it is characterised in that：The waste heat is pre-
The Resistant heating device I being provided with drying section below roller-way, and the top of the waste heat prebake section and the convulsion
The air outlet of machine is connected.
3. string stacked type automatic double-layer electrical heating roller way kiln according to claim 2, it is characterised in that：The heating is pre-
It is provided with drying section respectively positioned at the Resistant heating device II of the upper and lower both sides of the roller-way.
4. string stacked type automatic double-layer electrical heating roller way kiln according to claim 3, it is characterised in that：The drying section
Inside it is provided with respectively positioned at the Resistant heating device III of the upper and lower both sides of the roller-way.
5. string stacked type automatic double-layer electrical heating roller way kiln according to claim 4, it is characterised in that：The warming-up section
Including Resistant heating section and globar bringing-up section, the Resistant heating section is arranged near the drying section, and the resistance
It is provided with silk bringing-up section respectively positioned at the Resistant heating device IV of the upper and lower both sides of the roller-way, sets in the globar bringing-up section
Have respectively positioned at the globar heater I of the upper and lower both sides of the roller-way；The Resistant heating section is heated with the globar
Length ratio between section is 4:6.
6. string stacked type automatic double-layer electrical heating roller way kiln according to claim 5, it is characterised in that：The sintering zone
Inside it is provided with respectively positioned at the globar heater II of the upper and lower both sides of the roller-way.
7. string stacked type automatic double-layer electrical heating roller way kiln according to claim 1, it is characterised in that：The transfer carriage
On be respectively provided with measurement and it is spacing it is described transhipment bin upper-lower position touch sensor VI and touch sensor V, it is described
Transhipment bin is provided with positioned at the transhipment roller-way top and for detecting material whether sensor II in place.
8. string stacked type automatic double-layer electrical heating roller way kiln according to claim 1, it is characterised in that：The transport box
Inside it is provided with heat insulation layer.
9. string stacked type automatic double-layer electrical heating roller way kiln according to claim 1, it is characterised in that：The transport box
It is provided with maintenance door.
10. string stacked type automatic double-layer electrical heating roller way kiln according to claim 1, it is characterised in that：The transhipment
Frame is provided with the sleeve for being enclosed within the transport chain.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258955.2A CN106643132B (en) | 2016-12-30 | 2016-12-30 | String stacked type automatic double-layer electric heating roller way kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258955.2A CN106643132B (en) | 2016-12-30 | 2016-12-30 | String stacked type automatic double-layer electric heating roller way kiln |
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| CN106643132A true CN106643132A (en) | 2017-05-10 |
| CN106643132B CN106643132B (en) | 2019-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| 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 |
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| 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 |
| 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 |
| DE202016100564U1 (en) * | 2016-02-04 | 2016-03-31 | Extrutec Gmbh | Device for heating workpieces under a protective gas atmosphere |
| CN205843350U (en) * | 2016-06-06 | 2016-12-28 | 湖南久泰冶金科技有限公司 | A kind of net belt type sintering furnace |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| DE202016100564U1 (en) * | 2016-02-04 | 2016-03-31 | Extrutec Gmbh | Device for heating workpieces under a protective gas atmosphere |
| CN205843350U (en) * | 2016-06-06 | 2016-12-28 | 湖南久泰冶金科技有限公司 | A kind of net belt type sintering furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| CN106643132B (en) | 2019-02-26 |
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