CN210242402U

CN210242402U - High-efficient sintering device of alumina ceramics

Info

Publication number: CN210242402U
Application number: CN201920895429.XU
Authority: CN
Inventors: Gaihua Jin; 靳改花; Xiangqian Jiang; 蒋向前; Yanping Ren; 任艳萍
Original assignee: Jiyuan Jinzhou Fine Ceramic Material Co Ltd
Current assignee: Jiyuan Jinzhou Fine Ceramic Material Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-03
Anticipated expiration: 2029-06-14

Abstract

The utility model provides a high-efficient sintering device of alumina ceramics, including the external furnace case, interior furnace case, be equipped with the heat preservation rather than in close contact on the external furnace incasement wall, interior furnace case establishes the inside at the external furnace case through a plurality of supporting shoes of fixing on the external furnace case outer wall, the below of interior furnace case is equipped with driving motor, the driving motor output is connected with the pivot, the bottom that the interior furnace case was passed in the pivot stretches into interior furnace case, be fixed with the layer board in the pivot, be equipped with two parallel arrangement's slide rail on the layer board, the upper portion of slide bar is fixed with storage plate, storage plate's top is equipped with the backup pad, the inside violently pipe that is equipped with of backup pad, the output of violently managing is equipped with the air nozzle, the upper portion of interior furnace case is equipped with the steam pipe, the steam pipe output runs through the backup pad and violently manages the intercommunication. The device has the advantages of simple structure, high safety, high resource utilization rate and low use cost, and can efficiently sinter materials.

Description

High-efficient sintering device of alumina ceramics

Technical Field

The utility model relates to a ceramic manufacture technical field especially relates to a high-efficient sintering device of alumina ceramics.

Background

With the development of scientific technology and manufacturing technology, alumina ceramics have been developed and widely used in modern industry. The alumina ceramic is one of the ceramic materials with the largest production quantity and the widest application range in the world at present, has the properties of high mechanical strength, high resistivity, good electrical insulation, high hardness and melting point, good corrosion resistance, excellent chemical stability and the like, and has good optical property and ionic conductivity under certain conditions. The process of sintering alumina ceramic is that the powder or powder compact is heated to a temperature lower than the melting point of the basic components and then cooled to room temperature in a certain method and speed. In the production process of ceramics, the sintering temperature and sintering time in a kiln during the sintering of the ceramics have great influence on the performance of products. Traditional alumina ceramics sintering device, it is not good to exist thermal insulation performance, causes the heat to scatter and disappear easily, and a large amount of steam integuments that produces after the sintering are directly discharged, and the cost is increased to a large amount of heat energy of waste, and traditional alumina ceramics sintering device has the sintering inefficiency simultaneously, and the structure is complicated, and the staff causes the shortcoming of accidental injury easily.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model aims at providing a high-efficient sintering device of alumina ceramics, simple structure can carry out the efficient sintering to alumina ceramics, can retrieve the reuse to a large amount of hot gas that the sintering produced after simultaneously, has improved resource utilization, reduction in production cost.

The technical scheme is that the high-efficiency sintering device for the alumina ceramics comprises an outer furnace box and an inner furnace box, wherein a heat preservation layer which is in close contact with the outer furnace box is arranged on the inner wall of the outer furnace box, the inner furnace box is arranged inside the outer furnace box through a plurality of supporting blocks fixed on the outer wall of the inner furnace box, the inner furnace box is cylindrical, a driving motor is arranged below the inner furnace box and fixed on the heat preservation layer, the output end of the driving motor is connected with a rotating shaft, the rotating shaft penetrates through the bottom of the inner furnace box and extends into the inner furnace box, a supporting plate is fixed at one end, far away from the driving motor, of the rotating shaft, two sliding rails which are arranged in parallel are arranged on the supporting plate, sliding rods are matched in sliding grooves of the sliding rails, a storage plate is fixed at the upper part of the sliding rods, a round supporting plate which is horizontally fixed on the inner furnace box is, the output of violently managing is equipped with a plurality of air nozzles, and air nozzle fixed mounting is in the backup pad, the upper portion of interior stove case is equipped with the steam pipe, and the steam pipe output runs through the backup pad and violently manages the intercommunication, and the steam pipe's input passes interior stove case, outer stove case and is connected with heating device, outer stove case one side is equipped with steam and collects the storehouse, and steam is equipped with intake pipe and outlet duct on collecting the storehouse, outlet duct and steam pipe intercommunication, and the intake pipe passes outer stove case and interior stove case intercommunication.

Preferably, one side of the hot air pipe, which is far away from the outer furnace box, is provided with a valve, the valve is arranged on the hot air pipe, and the air outlet pipe and the air inlet pipe are respectively provided with a valve.

Preferably, the inboard in storehouse is collected to steam is equipped with the heat preservation, is equipped with temperature monitor on the outer wall in storehouse is collected to steam, and the storehouse lower part is collected to steam is fixed with the air-blower, and the air-blower passes through pipeline and steam and collects the storehouse intercommunication.

Preferably, the hot gas collecting bin is provided with an air outlet, and a plug is arranged at the air outlet.

The utility model has the advantages that: can effectually sinter the material, improve the effect of carrying out the sintering to the material, promote work efficiency, still can preheat the material simultaneously, avoid the waste of material, reduce user's use cost, still carry and reduce the staff potential safety hazard.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in figure 1, the high-efficiency sintering device for the alumina ceramics comprises an outer furnace box 1 and an inner furnace box 2, and is characterized in that a heat-insulating layer 3 which is in close contact with the inner wall of the outer furnace box 1 is arranged on the inner wall of the outer furnace box 1, the inner furnace box 2 is arranged inside the outer furnace box 1 through a plurality of supporting blocks 4 fixed on the outer wall of the inner furnace box 2, the inner furnace box 2 is cylindrical, a driving motor 5 is arranged below the inner furnace box 2, the driving motor 5 is fixed on the heat-insulating layer 3, the output end of the driving motor 5 is connected with a rotating shaft 6, the rotating shaft 6 penetrates through the bottom of the inner furnace box 2 and extends into the inner furnace box 2, a supporting plate 7 is fixed at one end of the rotating shaft 6 far away from the driving motor 5, two parallel slide rails 8 are arranged on the supporting plate 7, slide bars are matched in slide grooves of the slide rails 8, an object placing plate 9 is fixed on the, the inside a plurality of violently pipes 11 that evenly are equipped with of backup pad 10, violently manage 11 outputs and run through backup pad 10 and be close to the one side of putting thing board 9, violently manage 11 output and be equipped with a plurality of air nozzles 12, air nozzle 12 fixed mounting is on backup pad 10, the upper portion of interior stove case 2 is equipped with hot-gas pipe 13, and hot-gas pipe 13 output runs through backup pad 10 and violently manages 11 intercommunication, and hot-gas pipe 13's input is passed interior stove case 2, outer stove case 1 and is connected with heating device, 1 one side of outer stove case is equipped with steam and collects storehouse 14, and steam is collected and is equipped with intake pipe 15 and outlet duct 16 on the storehouse 14, and outlet duct 16 and hot-gas pipe 13 intercommunication, intake pipe.

When the device works, firstly, the outer furnace door is opened, then the inner furnace door is opened, the object placing plate is pulled out of the inner furnace through the slide rail, the materials to be sintered are placed on the rotating plate, the object placing plate is conveyed into the inner furnace through the slide rail, the arrangement avoids potential safety hazards of workers, avoids personnel scalding caused by incomplete cooling, the materials placed on the rotating plate are conveyed into the inner furnace, at the moment, the door of the inner furnace and the door of the outer furnace are closed, meanwhile, hot gas in the hot gas collecting bin can diffuse into the hot gas pipe through the gas outlet pipe, the hot gas in the hot gas collecting bin can diffuse into the inner furnace through the hot gas pipe, the materials are preheated, the phenomenon that the interior of the materials cannot be completely sintered due to sudden high-temperature treatment of the just-formed materials is avoided, or the materials generate cracks due to sudden change of temperature difference, the materials become defective products and the production efficiency is reduced, the production cost is increased, after the material is preheated for a certain time, the heating device is opened, hot gas is conveyed to the inner furnace box through the hot gas pipe, the material is sintered, the driving motor starts to rotate to drive the supporting plate fixed on the rotating shaft to rotate together, the material placed on the object placing plate is rotated simultaneously, the material is heated uniformly, meanwhile, the plurality of air nozzles are arranged on the supporting plate to ensure that the material can be sintered in all directions, defective products caused by nonuniform sintering are avoided, the production efficiency is increased, the production cost is reduced, the heating device is closed when the sintering is finished, the box door of the outer furnace box is opened to dissipate heat, the box door of the inner furnace box is opened, the object placing plate is pulled out of the inner furnace box through the sliding rail, the object placing plate extends out of the inner furnace box, and workers are prevented from being scalded when the materials are taken out, meanwhile, the outer furnace box is opened to dissipate heat, the inner furnace box is kept closed, and the material can be effectively prevented from being damaged due to overlarge temperature difference between the inside and the outside after being sintered at high temperature.

And a valve is arranged on one side of the hot air pipe 13, which is far away from the outer furnace box 1, the valve is arranged on the hot air pipe 13, and valves are respectively arranged on the air outlet pipe 16 and the air inlet pipe 15.

All set up the valve on hot gas pipe 13, outlet duct 16 and intake pipe 15, when carrying out the sintering to the material, the valve of outlet duct 16 and intake pipe 15 is closed to guarantee that steam is complete including stove case 2, can carry out fine sintering to the material, when preheating the material, the valve on the hot gas pipe 13 is closed, has avoided the waste of the steam of storage.

The inside of storehouse 14 is collected to steam is equipped with the heat preservation, is equipped with temperature monitor 17 on the outer wall of storehouse 14 is collected to steam, and storehouse 14 lower part is collected to steam is fixed with air-blower 18, and air-blower 18 collects storehouse 14 intercommunication through pipeline and steam.

Storehouse 14 is collected to steam's inboard sets up the heat preservation, can keep warm to the steam of collecting, can not preheat the material when avoiding next use, it can carry out the control of temperature to the steam in the storehouse is collected to steam to set up temperature monitor 17, it is low excessively to avoid the overheated or temperature of temperature, when the high temperature, can open air-blower 18, collect 14 inside blast air in storehouse to steam, in order to reduce the inside temperature in hot gas collection storehouse 14, and through the inside temperature of temperature monitor 17 control, when reaching suitable temperature, stop air-blower 18's work. This setting can improve the holistic suitability of device, can collect the inside temperature in storehouse 14 to the different adjustment steam of the preheating temperature of different materials, has improved production effect.

And the hot gas collecting bin 14 is provided with a gas outlet, and a plug 19 is arranged at the gas outlet.

When carrying out the blast to hot gas collection storehouse 14, in order to avoid hot gas to collect the inside atmospheric pressure of storehouse 14 too strong, cause the damage of equipment, can open the venthole to reduce hot gas and collect the inside pressure in storehouse 14, improve the life of equipment.

The utility model has the advantages that: can effectually sinter the material, improve the effect of carrying out the sintering to the material, promote work efficiency, still can preheat the material simultaneously, avoid the waste of material, improve resource utilization, reduce user's use cost, still provide and reduced the staff potential safety hazard.

The above-mentioned embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design concept of the present invention should be included in the protection scope defined by the claims of the present invention.

Claims

1. An efficient sintering device for alumina ceramics comprises an outer furnace box (1) and an inner furnace box (2), and is characterized in that a heat-insulating layer (3) which is in close contact with the outer furnace box is arranged on the inner wall of the outer furnace box (1), the inner furnace box (2) is arranged inside the outer furnace box (1) through a plurality of supporting blocks (4) fixed on the outer wall of the inner furnace box (2), the inner furnace box (2) is cylindrical, a driving motor (5) is arranged below the inner furnace box (2), the driving motor (5) is fixed on the heat-insulating layer (3), the output end of the driving motor (5) is connected with a rotating shaft (6), the rotating shaft (6) penetrates through the bottom of the inner furnace box (2) and extends into the inner furnace box (2), a supporting plate (7) is fixed at one end of the rotating shaft (6) far away from the driving motor (5), two sliding rails (8) which are arranged in parallel are arranged on the supporting plate (7), and, the upper part of the sliding rod is fixed with a storage plate (9), a round supporting plate (10) horizontally fixed on the inner furnace box (2) is arranged above the storage plate (9), a plurality of transverse pipes (11) are uniformly arranged inside the supporting plate (10), the output ends of the transverse pipes (11) penetrate through the supporting plate (10) and are close to one surface of the storage plate (9), the output ends of the transverse pipes (11) are provided with a plurality of air nozzles (12), the air nozzles (12) are fixedly installed on the supporting plate (10), the upper part of the inner furnace box (2) is provided with a hot air pipe (13), the output ends of the hot air pipe (13) penetrate through the supporting plate (10) and are communicated with the transverse pipes (11), the input ends of the hot air pipe (13) penetrate through the inner furnace box (2) and the outer furnace box (1) and are connected with a heating device, one side of the outer furnace box (1) is provided with a hot air collection bin, the air outlet pipe (16) is communicated with the hot air pipe (13), and the air inlet pipe (15) penetrates through the outer furnace box (1) to be communicated with the inner furnace box (2).

2. The alumina ceramic high-efficiency sintering device according to claim 1, wherein a valve is arranged on one side of the hot air pipe (13) far away from the outer furnace box (1), the valve is arranged on the hot air pipe (13), and valves are respectively arranged on the air outlet pipe (16) and the air inlet pipe (15).

3. The high-efficiency sintering device for the alumina ceramics according to claim 1, wherein the inner side of the hot gas collection bin (14) is provided with a heat insulation layer, the outer wall of the hot gas collection bin (14) is provided with a temperature monitor (17), the lower part of the hot gas collection bin (14) is fixed with a blower (18), and the blower (18) is communicated with the hot gas collection bin (14) through a pipeline.

4. The alumina ceramic high-efficiency sintering device according to claim 1, characterized in that the hot gas collection bin (14) is provided with a gas outlet hole, and the gas outlet hole is provided with a plug (19).