CN202254775U - Continuous-working high-temperature sintering push pedal kiln - Google Patents
Continuous-working high-temperature sintering push pedal kiln Download PDFInfo
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- CN202254775U CN202254775U CN2011201814884U CN201120181488U CN202254775U CN 202254775 U CN202254775 U CN 202254775U CN 2011201814884 U CN2011201814884 U CN 2011201814884U CN 201120181488 U CN201120181488 U CN 201120181488U CN 202254775 U CN202254775 U CN 202254775U
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- push rod
- continuous operation
- high temperature
- temperature sintering
- ejection plate
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Abstract
An embodiment of the utility model discloses a continuous-working high-temperature sintering push pedal kiln, which comprises a kiln body, a sealing door, a material pushing system and an electric control system. The kiln body comprises a casing and a lining arranged in the casing, and an inner space of the lining forms a hearth. The sealing door is arranged on the casing, the material pushing system is arranged at the bottom of the hearth, the electric control system is used for controlling inner temperature of the hearth, and a magnet-control tube electrically connected with the electric control system is arranged on the casing. Compared with a traditional kiln, the continuous-working high-temperature sintering push pedal kiln adopts microwave for sintering, and during the microwave sintering of products, the inside and the outside of the products are heated at the same time so that zero-gradient even heating of middle and large areas of materials can be achieved, heat stress inside the materials is reduced, accordingly the tendencies of cracking and deformation are reduced, and quality of sintered products is improved. Simultaneously, microwave can be directly absorbed by the materials and converted into heat energy, so energy utilization rate is extremely high, and energy consumption during the sintering process is reduced.
Description
Technical field
The utility model relates to a kind of kiln, is specifically related to a kind of high temperature sintering ejection plate kiln of continuous operation.
Background technology
Industrial Stoves are industrial infrastructure devices, are again major power consumers simultaneously, and the energy consumption that therefore reduces Industrial Stoves is significant.
The Traditional industrial kiln adopts coal, oil and gas to keep the internal temperature of kiln as the energy; But owing to adopt above-mentioned substance as the energy; The kiln temperature control accuracy is poor, and fire emission is many, contaminated environment and being substituted gradually by electric furnace; Particularly when firing some quality requirement high product, especially need use electric furnace to fire, for example product such as new material, new forms of energy.Existing industrial furnace generally adopts resistance wire, Elema, Si-Mo rod, molybdenum filament, graphite etc. as heater element.During above-mentioned heating element works, at first whole burner hearth is carried out radiation heating, treat that the burner hearth internal temperature raises after, then through heat radiation with heat conduction the product ecto-entad is heated.Because the internal and external temperature gradient is big in the product sintering procedure, the uniformity of product is bad, is easy to generate cracking, quality problems such as insufficient burnt.In addition, the heater element self-temperature is high, and receives the erosion of kiln atmosphere, damages easily.
Therefore, how to work out a kind of energy-saving and environmental protection, reduce sintering time, improve the kiln of firing product quality, become the technical problem that those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the utility model provides a kind of high temperature sintering ejection plate kiln of continuous operation, to realize energy-saving and environmental protection, reduce sintering time, to improve the purpose of firing product quality.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
A kind of high temperature sintering ejection plate kiln of continuous operation comprises body of heater, hermatic door, material moving system and electric-control system, and wherein, said body of heater comprises housing and furnace lining, and said furnace lining is arranged on the inside of said housing, and said furnace lining inner space forms burner hearth; Said hermatic door is arranged on the said housing; Said material moving system is arranged on said burner hearth bottom; Said electric-control system is used to control the internal temperature of said burner hearth; Said housing is provided with magnetron, and said magnetron is electrically connected with said electric-control system.
Preferably, in the high temperature sintering ejection plate kiln of above-mentioned continuous operation, the microwave frequency of said magnetron emission is 915MHz or 2450MHz.
Preferably, in the high temperature sintering ejection plate kiln of above-mentioned continuous operation, said burner hearth is a tunnel-type hearth.
Preferably, in the high temperature sintering ejection plate kiln of above-mentioned continuous operation, said material moving system comprises track, push pedal, push rod and push rod controller, and wherein, said track runs through said burner hearth; Said push rod is arranged on the feeding mouth place of track, and can promote to place the said push pedal on the said track to move; Said push rod controller is electrically connected with said push rod.
Preferably, in the high temperature sintering ejection plate kiln of above-mentioned continuous operation, said track surrounds " returning " font structure, and the corner of said track is provided with a said push rod.
Preferably, in the high temperature sintering ejection plate kiln of above-mentioned continuous operation, said push rod is electric pushrod, air-leg or hydraulic push rod.
Preferably; In the high temperature sintering ejection plate kiln of above-mentioned continuous operation; Said electric-control system comprises temperature measuring device and temperature controller; Said temperature controller will receive the detected temperature signal of said temperature measuring device and preset value and obtain fiducial value after relatively, and control the unlatching of said magnetron or close according to this fiducial value.
Preferably, in the high temperature sintering ejection plate kiln of above-mentioned continuous operation, said temperature measuring device is an occasionally infrared thermometer of thermoelectricity.
Preferably, in the high temperature sintering ejection plate kiln of above-mentioned continuous operation, also comprise support, said support is arranged on the said housing.
Preferably, in the high temperature sintering ejection plate kiln of above-mentioned continuous operation, the number of said magnetron is a plurality of.
Preferably, in the high temperature sintering ejection plate kiln of above-mentioned continuous operation, said magnetron is divided into some groups, and every group to having one or several said temperature measuring devices.
Housing in the high temperature sintering ejection plate kiln of the continuous operation that the utility model provides is provided with magnetron, and said magnetron is electrically connected with said electric-control system.Magnetron is launched microwave in the course of the work; And product carried out sintering; The kiln of said structure is compared with traditional kiln and is adopted microwave to carry out sintering; And microwave sintering mainly is to utilize the basic fine structure coupling of special wave band that microwave has and material and produce heat, and the dielectric loss of material makes its material monolithic be heated to sintering temperature and implementation structure densified.Because the inside and outside heating simultaneously of above-mentioned mode of heating product can realize that the zero gradient in big zone in the material evenly heats, and the material internal thermal stress is reduced, thereby reduces cracking, distortion tendency, has improved the quality of firing product.Be converted into heat energy owing to microwave energy is directly absorbed by material simultaneously,, reduced the energy consumption in the sintering procedure so capacity usage ratio is high.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The high temperature sintering ejection plate kiln structural representation of the continuous operation that Fig. 1 provides for the utility model embodiment;
Wherein, 1 is body of heater, and 2 is magnetron, and 3 is thermocouple, and 4 is hermatic door, and 5 is that push rod 6 is hermatic door, and 7 is push rod, and 9 is roller shelves, and 10 are push pedal, and 11 is hermatic door, and 12 is push rod, and 13 is hermatic door, and 14 is push rod, and 15 are the horizontal frame that pushes away.
The specific embodiment
When partly describing the heating element works that can know in traditional electric furnace, at first whole burner hearth is carried out radiation heating by background technology, treat that the burner hearth internal temperature raises after, then through heat radiation with heat conduction the product ecto-entad is heated.Because the internal and external temperature gradient is big in the product sintering procedure, the uniformity of product is bad, is easy to generate cracking, quality problems such as insufficient burnt.In addition, the heater element self-temperature is high, and receives the erosion of kiln atmosphere, damages easily.
For this reason; The inventor works out a kind of kiln that adopts microwave heating; Heating using microwave utilizes the basic fine structure coupling of special wave band that microwave has and material and produces heat, and the dielectric loss of material makes its material monolithic be heated to sintering temperature and realize densified method.During heating using microwave, inside and outsidely heat simultaneously, can realize that the zero gradient in the big zone of product evenly heats, the material internal thermal stress is reduced, thereby reduce cracking, distortion tendency.Owing to directly being absorbed by material, microwave energy is converted into heat energy simultaneously, so capacity usage ratio is high, than normal sintering energy-conservation about 80%.
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1; The utility model provides a kind of high temperature sintering ejection plate kiln of continuous operation; This kiln comprises body of heater 1, hermatic door, material moving system (marking among the figure) and electric-control system (marking among the figure), and wherein, body of heater 1 comprises housing and furnace lining; Furnace lining is arranged on the inside of housing, and the furnace lining inner space forms burner hearth; Hermatic door is arranged on the housing; The material moving system is arranged on burner hearth bottom; Electric-control system is used to control the internal temperature of burner hearth; Housing is provided with magnetron 2, and this magnetron 2 is electrically connected with electric-control system.On the body of heater support can also be set among the utility model embodiment, this support is arranged on the housing.
Magnetron 2 is launched microwave in the course of the work; And product carried out sintering; The kiln of said structure is compared with traditional kiln and is adopted microwave to carry out sintering; And microwave sintering mainly is to utilize the basic fine structure coupling of special wave band that microwave has and material and produce heat, and the dielectric loss of material makes its material monolithic be heated to sintering temperature and implementation structure densified.Because the inside and outside heating simultaneously of above-mentioned mode of heating product can realize that the zero gradient in big zone in the material evenly heats, and the material internal thermal stress is reduced, thereby reduces cracking, distortion tendency, has improved the quality of firing product.Be converted into heat energy owing to microwave energy is directly absorbed by material simultaneously,, reduced the energy consumption in the sintering procedure so capacity usage ratio is high.In order further to shorten the firing time, the microwave frequency of above-mentioned magnetron 2 emissions is 915MHz or 2450MHz among the utility model embodiment.
Burner hearth is a tunnel-type hearth, and the housing parts of whole body of heater 1 can be made up of single housing, and perhaps a plurality of housings are connected each other and combine, and enclosure interior is provided with furnace lining, and this furnace lining not only has fire-resistant function.Absorb the microwave amount in order to reduce furnace lining, the content of furnace lining neutral and alkali metal oxide is lower than 0.5Wt% in the utility model embodiment, particularly furnace lining Fe
2O
3Content be lower than 0.3Wt%, the zirconium metal oxide content is lower than 0.3Wt%, through restriction furnace lining neutral and alkali metal oxide, Fe
2O
3Reduce the microwave amount that furnace lining absorbs with the content of zirconium metal oxide.
The high temperature sintering ejection plate kiln of the continuous operation among the utility model embodiment; Realize under the effect of material moving system the material entering burner hearth inside that promotes in the push pedal 10; This material moving system comprises track, push pedal 10, push rod and push rod controller, and wherein, track runs through burner hearth; The feeding mouth place of track is provided with push rod, and can promote to place the push pedal 10 on the track to move; The push rod controller is electrically connected with push rod.
Be positioned at body of heater 1 inner track and surround " returning " font with being positioned at body of heater 1 outside track, this track is made up of with roller shelves 9 the horizontal frame 15 that pushes away.For convenience; Being positioned at body of heater 1 inner track is first track; The track that is positioned at the first track both sides is respectively second track and the 3rd track, and wherein, second track is positioned at the discharging opening place of body of heater 1; The 3rd track is positioned at the charging aperture place of body of heater 1, and the track relative with first track is the 4th track.Also be provided with the horizontal frame 15 that pushes away on second track and the 3rd track, these horizontal two ends that push away frame 15 are respectively arranged with a push rod, realize push pedal 10 switching-over in orbit.
In order to keep the horizontal temperature that pushes away in the frame 15, horizontal charging aperture and the discharging opening that pushes away frame 15 is provided with hermatic door, when push rod moves, and corresponding with it hermatic door action.Push rod in the material moving system can be electric pushrod, air-leg or hydraulic push rod.
Above-mentioned material moving system pusher process is specially:
The unlatching of hermatic door or close in the above-mentioned pusher process, push rod advances or retreats and can manually control, and also can control automatically; Can also carry out manual, automatic change action; When adopting control automatically, carry out control corresponding, be provided with grammed switch on all tracks by the push rod controller; Be described in detail with first track, the discharging opening place of first track is provided with first grammed switch.
Concrete control procedure is:
The push rod controller receives preset order, and sends open command to hermatic door 4;
The push rod controller receives above-mentioned signal, and sends the propelling instruction to push rod 5;
Push rod 5 receives the propelling instruction, and carries out the propelling action, and when push rod 5 reached body of heater 1 internal preset position, grammed switch moved, and gave the push rod controller with this signal feedback;
The push rod controller receives above-mentioned signal, and retreats instruction to push rod 5 transmissions, and when push rod 5 arrived bodies of heater 1 outside predeterminated position, grammed switch moved, and gave the push rod controller with this signal feedback;
The push rod controller receives above-mentioned signal, and sends out code to push rod 5;
Push rod 5 receives out code, and carries out closing motion.
In order to make control procedure more accurate, also be provided with alarm in the above-mentioned control procedure, when push rod 5 arrived predeterminated position, alarm was reported to the police, to remind the staff.
In the utility model embodiment; Electric-control system comprises temperature measuring device and temperature controller; Temperature controller will receive the detected temperature signal of temperature measuring device and preset value and obtain fiducial value after relatively, and according to the unlatching of this fiducial value control magnetron 2 or close.The practicable PID intelligence of the power of magnetron is regulated, and stepless continuous is adjustable.Above-mentioned temperature measuring device is thermocouple 3 or infrared thermometer.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (11)
1. the high temperature sintering ejection plate kiln of a continuous operation; Comprise body of heater (1), hermatic door, material moving system and electric-control system, wherein, said body of heater (1) comprises housing and furnace lining; Said furnace lining is arranged on the inside of said housing, and said furnace lining inner space forms burner hearth; Said hermatic door is arranged on the said housing; Said material moving system is arranged on said burner hearth bottom; Said electric-control system is used to control the internal temperature of said burner hearth; It is characterized in that said housing is provided with magnetron (2), said magnetron (2) is electrically connected with said electric-control system.
2. the high temperature sintering ejection plate kiln of continuous operation as claimed in claim 1 is characterized in that, the microwave frequency of said magnetron (2) emission is 915MHz or 2450MHz.
3. the high temperature sintering ejection plate kiln of continuous operation as claimed in claim 1 is characterized in that, said burner hearth is a tunnel-type hearth.
4. the high temperature sintering ejection plate kiln of continuous operation as claimed in claim 1 is characterized in that, said material moving system comprises track, push pedal (10), push rod and push rod controller, and wherein, said track runs through said burner hearth; Said push rod is arranged on the feeding mouth place of track, and can promote to place the said push pedal (10) on the said track to move; Said push rod controller is electrically connected with said push rod.
5. the high temperature sintering ejection plate kiln of continuous operation as claimed in claim 4 is characterized in that, said track surrounds " returning " font structure, and the corner of said track is provided with a said push rod.
6. the high temperature sintering ejection plate kiln of continuous operation as claimed in claim 5 is characterized in that, said push rod is electric pushrod, air-leg or hydraulic push rod.
7. the high temperature sintering ejection plate kiln of continuous operation as claimed in claim 1; It is characterized in that; Said electric-control system comprises temperature measuring device and temperature controller; Said temperature controller will receive the detected temperature signal of said temperature measuring device and preset value and obtain fiducial value after relatively, and control the unlatching of said magnetron (2) or close according to this fiducial value.
8. the high temperature sintering ejection plate kiln of continuous operation as claimed in claim 7 is characterized in that, said temperature measuring device is an occasionally infrared thermometer of thermoelectricity.
9. like the high temperature sintering ejection plate kiln of each described continuous operation of claim 1-8, it is characterized in that also comprise support, said support is arranged under the said housing.
10. like the high temperature sintering ejection plate kiln of each described continuous operation of claim 1-8, it is characterized in that the number of said magnetron is a plurality of.
11. the high temperature sintering ejection plate kiln like each described continuous operation of claim 1-8 is characterized in that said magnetron is divided into some groups, every group to having one or several said temperature measuring devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201814884U CN202254775U (en) | 2011-05-31 | 2011-05-31 | Continuous-working high-temperature sintering push pedal kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201814884U CN202254775U (en) | 2011-05-31 | 2011-05-31 | Continuous-working high-temperature sintering push pedal kiln |
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| Publication Number | Publication Date |
|---|---|
| CN202254775U true CN202254775U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201814884U Expired - Fee Related CN202254775U (en) | 2011-05-31 | 2011-05-31 | Continuous-working high-temperature sintering push pedal kiln |
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| CN (1) | CN202254775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226644A (en) * | 2011-05-31 | 2011-10-26 | 湖南阳东磁性材料有限公司 | High-temperature sintering push plate kiln capable of working continuously |
| CN103292596A (en) * | 2013-05-30 | 2013-09-11 | 苏州博涛机电设备有限公司 | Airtight-door mechanism for atmosphere replacement room |
-
2011
- 2011-05-31 CN CN2011201814884U patent/CN202254775U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226644A (en) * | 2011-05-31 | 2011-10-26 | 湖南阳东磁性材料有限公司 | High-temperature sintering push plate kiln capable of working continuously |
| CN102226644B (en) * | 2011-05-31 | 2013-07-24 | 湖南阳东磁性材料有限公司 | High-temperature sintering push plate kiln capable of working continuously |
| CN103292596A (en) * | 2013-05-30 | 2013-09-11 | 苏州博涛机电设备有限公司 | Airtight-door mechanism for atmosphere replacement room |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20150531 |
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| EXPY | Termination of patent right or utility model |