CN105371658A - Ceramic sintering furnace - Google Patents
Ceramic sintering furnace Download PDFInfo
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- CN105371658A CN105371658A CN201510945532.7A CN201510945532A CN105371658A CN 105371658 A CN105371658 A CN 105371658A CN 201510945532 A CN201510945532 A CN 201510945532A CN 105371658 A CN105371658 A CN 105371658A
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Classifications
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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
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/0016—Chamber type furnaces
- F27B17/0041—Chamber type furnaces specially adapted for burning bricks or pottery
- F27B17/0075—Heating devices therefor
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- 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
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
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- 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
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/0014—Devices for monitoring temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/15—Composition, conformation or state of the charge characterised by the form of the articles
- F27M2001/1504—Ceramic articles
Abstract
The invention provides a ceramic sintering furnace which comprises a case, a furnace pipe, a controller and a gas supply device. The furnace pipe extends horizontally in the length direction of the case and is arranged in the case. The furnace pipe is fixed into the case through a fixing support and divided into a ceramic sintering pipe section, a transition pipe section and a cooling pipe section through the fixing support. A feed port and a discharge port are formed in the two ends of the furnace pipe respectively. A circular conveying track fixed into the case through a rack is arranged between the feed port and the discharge port. Ceramic drying, ceramic brazing and ceramic metallizing are combined into one, the same technology and differentiation requirements of the ceramic sintering, ceramic brazing and ceramic metallization processes are combined, the technological process of equipment is shortened and optimized, the production flow path of ceramic materials is shortened, cost and energy consumption are reduced, the occupied area and the production cost of multiple sets of equipment are saved, the materials are saved greatly, and pollution emission is reduced.
Description
Technical field
The present invention relates to ceramic material sintering art, relate to a kind of ceramic sintering furnace particularly.
Background technology
Structural ceramic material, with high temperature resistant, corrosion-resistant, the anti abrasive performance characteristics of its excellence, has developed into the high performance structures material be commonly recognized, but ceramic member plasticity is poor, not shock-resistant, all makes it apply and is restricted.The metallization of metal and pottery, the realization of soldering tech, can bringing into play ceramic material property advantage, thus effectively expand its range of application, become one of the study hotspot in present material Science and engineering field.
But the technological temperature that ceramic metallization is different with Ceramic brazing technology and atmosphere requirements have differentiation characteristic, respective technology is made to adopt different production equipments, cause the independence of respective equipment and the increase of industrial investment, increase floor space and production cost, and increase using and pollution to environment of material.
In view of ceramic metallization and the wide application prospect of Ceramic brazing technology and the deficiencies in the prior art, the invention provides one and there is multi-functional ceramic post sintering, Ceramic brazing and ceramic metallization one atmosphere sintering furnace, combine ceramic post sintering, Ceramic brazing, ceramic metallization three overlap the constructed and differentiation requirement of technique, new technology is saved and is optimized apparatus and process flow process, reduce cost and energy consumption, and save material and decreasing pollution discharge.
Summary of the invention
The deficiency that the present invention exists to overcome prior art, there is provided a kind of pottery dried, multifunctional ceramic sintering furnace that Ceramic brazing and ceramic metalizing process integrate, meet ceramic post sintering, constructed condition and differentiation requirement that technique is overlapped in Ceramic brazing, ceramic metallization three simultaneously.Because ceramic sintering furnace realizes equipment integration so optimize the technological process of existing multiple devices, reduce ceramic material production cost and energy consumption, save floor occupying area, and greatly saved material use, decreasing pollution discharges.
Particularly, the invention provides a kind of ceramic sintering furnace, it boiler tube comprising cabinet and be arranged on described cabinet inside along cabinet length direction horizontal-extending, described boiler tube is fixed on described cabinet inside by fixed support and is divided into ceramic post sintering pipeline section, transitional pipe segment and cooling pipeline section by described fixed support, the two ends of described boiler tube are respectively arranged with charging aperture and discharging opening, the transmission crawler belt being positioned at cabinet inside is provided with between described charging aperture and described discharging opening
Be arranged with furnace wall outside described ceramic post sintering pipeline section, and be fixed on inside, furnace wall by support and be divided into multiple bringing-up section, the outer wall of each bringing-up section is provided with at least one heater,
The heater of each bringing-up section is connected at least one temperature control equipment, for detecting and regulable control the temperature of bringing-up section inside.
In ceramic sintering furnace of the present invention, the temperature of each bringing-up section can control separately, thus can dry according to pottery, the temperature conditions requirement of the different process such as ceramic metallization or Ceramic brazing, the temperature of each bringing-up section is regulated and sets.Further, can regulate the technique duration of different process temperature, specifically, if material require stops the longer time at a certain technological temperature, then multiple bringing-up section can be set to this technological temperature.
Preferably, described heater is electric heater unit, and heating temperatures scope is 0-1200 DEG C; Multiple bringing-up sections of described ceramic post sintering pipeline section are along the direction temperature increment from charging aperture to discharging opening.
Preferably, described ceramic sintering furnace also comprises protective gas feedway; Form the passage passed through for protective gas between described ceramic post sintering pipeline section and described furnace wall inwall, described passage has the gas atmosphere inlet be communicated with described protective gas feedway; The sidewall of described ceramic post sintering pipeline section has the gas atmosphere inlet of at least one and described channel connection; The sidewall of described ceramic post sintering pipeline section has protective gas outlet.
By means of special protective gas feedway, the present invention can provide dual gas to protect at ceramic post sintering pipeline section, and the protective gas in pipe is ground floor, and the protective gas between pipe and furnace wall is the second layer.Like this, the technical process in ceramic post sintering pipeline section is carried out under strict airfree environment, ensure the reliability of technique.In addition, the protective gas of ceramic post sintering pipeline section and the protective gas of other pipeline sections independently, make the protective gas of ceramic post sintering pipeline section can not cause thermal perturbation to other pipeline sections.
Preferably, described transitional pipe segment and cooling pipeline section sidewall on have respectively gas atmosphere inlet and protective gas outlet.
Preferably, the charging aperture of described boiler tube and discharge outlet are respectively arranged with air curtain.
There is provided triple gas shield by means of air curtain, make isolate completely with outside air near gas atmosphere inlet, strict with air ambient in further guarantee ceramic post sintering pipeline section.
Preferably, gas-detecting device is respectively arranged with for detecting the concentration being filled with protective gas near each described protective gas import.
Preferably, also central controller is comprised; Described gas-detecting device, described heater are connected with described central controller with described temperature control equipment, or described gas-detecting device is connected with described central controller with described temperature control equipment.
Preferably, described temperature control equipment inside is provided with temperature threshold, and described temperature threshold is arranged according to the temperature of the ceramic post sintering of different process; When the temperature of bringing-up section inside exceeds described temperature threshold scope, described temperature control equipment sends signal to described central controller.
Preferably, described gas supply device comprises mixing and is all installed with standby and all presses shunting gas plate; Protective gas is all installed with for after mixing all pressure through mixing; enter multiple gas atmosphere inlet; all press shunting gas plate to be arranged on the gas atmosphere inlet place of described passage, protective gas enters boiler tube inside by the pore be opened on ceramic post sintering pipeline section sidewall after all pressing shunting gas plate all to press shunting.
Preferably, described shunting gas plate of all pressing has multiple aeroscopic plate, and the cross section of described multiple aeroscopic plate is loose structure.
Ceramic sintering furnace provided by the invention, pottery oven dry, Ceramic brazing and ceramic metallization became one by it, combine ceramic post sintering, Ceramic brazing, ceramic metallization three overlap the constructed of technique and differentiation requirement, saving optimizes apparatus and process flow process, reduce flow process, cost and energy consumption that ceramic material is produced, saved floor space and the production cost of many complete equipments, and greatly saved material, decreasing pollution discharges.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the specific embodiment 1 of ceramic sintering furnace of the present invention;
Fig. 3 is the structural representation of the specific embodiment 2 of ceramic sintering furnace of the present invention;
Fig. 4 is the A-A schematic cross-section of Fig. 3;
Fig. 5 is the structural representation of gas supply device of the present invention;
Fig. 6 is structural representation of all pressing shunting gas plate of the present invention;
Fig. 7 is the structural schematic block diagram of controller of the present invention; And
Fig. 8 is the structural representation of electric heater unit of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, structure and working principle of the present invention is further explained:
Particularly, the invention provides a kind of multifunctional integrated ceramic sintering furnace, as shown in Figure 1, it comprises cabinet 1, the boiler tube 2 being arranged on cabinet 1 inside along cabinet 1 length direction horizontal-extending, controller and gas supply device 4.
It is inner that whole boiler tube 2 is fixed on cabinet 1 by fixed support 5, and the position supported according to fixed support 5 is divided into ceramic post sintering pipeline section 6, transitional pipe segment 7 and cooling pipeline section 8.Ceramic post sintering pipeline section 6 is for sintering ceramic material, and transitional pipe segment 7 carries out nature cooling to the ceramic material after sintering, and cooling pipeline section 8 carries out water-cooled cooling cooling to naturally cooled ceramic material.
The two ends of boiler tube 2 are respectively arranged with charging aperture 9 and discharging opening 10, are provided with the circle transmission crawler belt 12 that frame 11 is fixed on cabinet 1 inside between charging aperture 9 and discharging opening 10, and circle transmission crawler belt 12 pairs of ceramic materials are carried in boiler tube 2 inside.Be respectively arranged with protective gas air curtain near charging aperture 9 and discharging opening 10, ceramic material is protected.Ceramic post sintering pipeline section 6, transitional pipe segment 7 and cooling pipeline section 8 be respectively arranged with gas feed 43 and gas vent; gas supply device 4 is connected with gas vent with described gas feed; for being respectively ceramic post sintering pipeline section 6, transitional pipe segment 7 and cooling pipeline section 8 inside supply normal temperature protective gas, as nitrogen.Ceramic post sintering pipeline section 6 is provided with at least one gas feed; in the present embodiment; as shown in Figure 5; ceramic post sintering pipeline section 6 is provided with 2 gas feeds; 2 gas feeds are arranged on passage; for to ceramic post sintering pipeline section 6 input protection gas, transitional pipe segment 7 and cooling pipeline section 8 need arrange a gas feed, and it is opened in transitional pipe segment 7 and cools on the tube wall of pipeline section 8.Be respectively arranged with gas-detecting device 18 near each protective gas import for detecting the concentration of insufflation gas, the output of described gas-detecting device connects the input of described controller 2.
The gas supply mode that this subregion independently supplies makes the temperature between each district can not interact because of the circulation of gas each other, is conducive to the temperature accurately controlling respective regions.In the present embodiment, inert gas is nitrogen.Each bringing-up section can adjust according to ceramic post sintering, ceramic metallization and Ceramic brazing temperature requirement respectively according to the heating-up temperature difference of electric heater unit 24.
Boiler tube 2 is arranged with the furnace wall 13 substantially isometric with ceramic post sintering pipeline section 6 in the outside of ceramic post sintering pipeline section 6, furnace wall 13 comprises the inwall 131 and outer wall 132 that are set-located, insulation material 14 is filled with, for being incubated boiler tube between inwall 131 and outer wall 132.Forming the passage 15 that supplied gas is passed through between boiler tube 2 and furnace wall 13 inwall 131, for making protective gas be filled in here under ceramic post sintering pipeline section duty, gas shield being carried out to process.The gas feed of ceramic post sintering pipeline section 6 is opened in one end of passage 15.
Form large horse not room together with the furnace wall 13 that ceramic post sintering pipeline section 6 is sheathed with outside, large horse not room can effectively improve furnace temperature stability, and make each several part temperature transition even, control climate is stablized, and burns till environment cleaning.It is inner that ceramic post sintering pipeline section 6 is supported on furnace wall 13 by support 17.
As shown in Figure 5, gas supply device 4 connects multiple gas atmosphere inlet 43 respectively by pipeline.
Gas supply device 4 is provided with that three road gases are filled with mouth, mixing is all installed with standby 41 and all press shunting gas plate 42. 3 road gas to be filled with mouth to be respectively nitrogen inlet, service valve entrance and other gas accesses.Three road gases are all installed with for after 41 mixing all pressure through mixing, are entered the gas feed of ceramic post sintering pipeline section 6, transitional pipe segment 7 and cooling pipeline section 8 by pipeline respectively.
The gas atmosphere inlet place at passage 15 place outside ceramic post sintering pipeline section 6 is provided with and all presses shunting gas plate 42; first through all pressing shunting gas plate 42 all to press shunting during gas inlet passages 15; gas all after pressure shunting enters the boiler tube 2 of ceramic post sintering pipeline section 6 by the gas atmosphere inlet be opened on boiler tube feed end sidewall, play a protective role to the ceramic post sintering in boiler tube 2.
As shown in Figure 6, all press shunting gas plate 42 to have multiple aeroscopic plate 421, the cross section of described multiple aeroscopic plate is loose structure, is convenient to all press shunting.Multiple gas passage is respectively arranged with control valve, respectively can hand-operated valve adjusting air inflow quantity size, and the introducing of gas all adopts subregion mode, be convenient to oven cavity atmosphere evenly and gas fill abundant.
As Figure 1-Figure 4, ceramic post sintering pipeline section 6 is fixed in furnace chamber by support 17, along the length direction of ceramic post sintering pipeline section 6 being arranged three or more electric heater units 24, thus ceramic post sintering pipeline section 6 being divided into the bringing-up section of more than 3 sections or 3 sections, each electric heater unit is to there being independently temperature control equipment 23.Described electric heater unit is arranged on the outer wall of ceramic post sintering pipeline section 6, such as be coiled on the outer wall of each bringing-up section of ceramic post sintering pipeline section with the form of electrical heating coil, also can be as shown in Figure 8, in the present embodiment, electric heater unit 24 is Globar heating element, or other heating element heaters be applicable to, and it is fixed on the outer wall of the boiler tube of each bringing-up section by a fixture 240, and extend along the length direction of boiler tube, be covered with the boiler tube of each bringing-up section.The temperature control equipment 23 of each bringing-up section is separately positioned on the centre position of the outer wall of each bringing-up section of ceramic post sintering pipeline section.
Each electric heater unit 24 can carry out two-stage temperature control by temperature control equipment 23.The input of the output connection control device of multiple temperature control equipment, facilitates controller to control temperature.The heating temperatures scope of ceramic post sintering pipeline section 6 is 0-1200 DEG C, and the gradual change that the electric heater unit that the different temperatures of multiple bringing-up section controls achieves ceramic post sintering pipeline section 6 heats, better to ensure the effect of ceramic post sintering.
Ceramic post sintering pipeline section 6 is divided into multiple bringing-up section along boiler tube length direction, and each bringing-up section is controlled within corresponding temperature range according to technological requirement, and realizes the gradual change from low temperature to high temperature.Above-mentioned electric heater unit is distributed within the scope of each bringing-up section accordingly, is provided with an electric heater unit 24 in each bringing-up section, and is equipped with a temperature control equipment 23, and the different temperatures realizing each bringing-up section controls.Because above-mentioned each electric heater unit can carry out temperature control separately, therefore the temperature of each bringing-up section and process time can obtain independent, adjustable control, hereafter will be described in more detail.
Fig. 2 shows the embodiment 1 of ceramic post sintering pipeline section.Wherein, ceramic post sintering pipeline section 6 is divided into first bringing-up section 19, second bringing-up section 20 and the 3rd bringing-up section 21 with different heating temperature.The temperature regulating range of the first bringing-up section 19 is 0-300 DEG C, and the temperature regulating range of the second bringing-up section 20 is 0-800 DEG C, and the temperature regulating range of the 3rd bringing-up section 21 is 0-1200 DEG C.
Boiler tube can select different heating-up temperatures as required, to realize pottery oven dry, ceramic metallization and Ceramic brazing respectively.Such as, control at 0-100 DEG C by the temperature regulating range of the first bringing-up section, the temperature regulating range of the second bringing-up section controls at 100-150 DEG C, and the temperature regulating range of the 3rd bringing-up section controls at 150-300 DEG C, can realize pottery and dry.
Control at 100-200 DEG C by the temperature regulating range of the first bringing-up section, the temperature regulating range of the second bringing-up section controls at 200-400 DEG C, and the temperature regulating range of the 3rd bringing-up section controls at 400-800 DEG C, can realize ceramic metallization.
Control at 300-750 DEG C by the temperature regulating range of the first bringing-up section, the temperature regulating range of the second bringing-up section controls at 400-800 DEG C, and the temperature regulating range of the 3rd bringing-up section controls at 900-1200 DEG C, can realize Ceramic brazing.
Fig. 3 shows the embodiment 2 of ceramic post sintering pipeline section 6.Wherein, ceramic post sintering pipeline section 6 arranged outside has 8 electric heater units.Accordingly, ceramic post sintering pipeline section 6 is divided into the first bringing-up section 31, second bringing-up section 32, the 3rd bringing-up section 33, the 4th bringing-up section 34, slender acanthopanax hot arc 35, the 6th bringing-up section 36, the 7th bringing-up section 37 and the 8th bringing-up section 38 with different heating temperature.First bringing-up section 31, second bringing-up section 32, the 3rd bringing-up section 33, the 4th bringing-up section 34, slender acanthopanax hot arc 35, the 6th bringing-up section 36, the 7th bringing-up section 37 and the 8th bringing-up section 38 realize gliding temperature and control.
In other examples, electric heater unit also can be designed as any number of, controls more freely material to facilitate through process time of multiple bringing-up section and technique gliding temperature.
As shown in Figure 4, the top cross-section of boiler tube 6 is arc, and bottom is plane, and the crawler belt that this structure is convenient to carry material passes through.Boiler tube 6 is stainless steel boiler tube, adopts seamless welding, ensure that the service life of boiler tube.
The protective gas that in the present invention, gas shield adopts is nitrogen.Ceramic post sintering pipeline section 6, transitional pipe segment 7 and cooling pipeline section 8 offer gas access respectively; achieve the object at zones of different independence supplying nitrogen; avoid the temperature interference between each region; nitrogen in the passage 15 of ceramic post sintering pipeline section 6 also can play a protective role; realize duplicate protection; duplicate protection makes oxygen content in chamber control within 10ppm, ensures the process requirements of ceramic post sintering.
As shown in Figure 7, controller 4 comprises central controller 22, electric heater unit 24, temperature control equipment 23 and gas-detecting device 18, and electric heater unit 24, temperature control equipment 23 and gas-detecting device 18 are connected with central controller 22 communication respectively.
Temperature control equipment 23 inside in bringing-up section is respectively arranged with respective temperature threshold; when the temperature of bringing-up section inside exceeds described temperature threshold scope; its respective temperature control equipment 23 sends alarm signal to described central controller 22; central controller 22 cuts off electric heater unit 24 when superhigh temperature, carries out superhigh temperature protection to electric heater unit 24.Temperature threshold can set according to different ceramic sintering process, as long as make the temperature of each bringing-up section inside realize gradual change.
Such as, in embodiment 1, if carry out pottery to dry, then the temperature regulating range of the first bringing-up section is controlled at 0-100 DEG C, the temperature regulating range of the second bringing-up section controls at 100-150 DEG C, the temperature regulating range of the 3rd bringing-up section controls at 150-300 DEG C, therefore the temperature threshold of the temperature control equipment 23 of the first bringing-up section can be set to 0-100 DEG C, the temperature threshold of the temperature control equipment 23 of the second bringing-up section is set to 100-150 DEG C, and the temperature threshold of the temperature control equipment 23 of the 3rd bringing-up section is set to 150-300 DEG C.Or need to be set to different temperature thresholds according to different ceramic post sinterings.
In example 2, if carry out pottery to dry, then can the temperature regulating range of the first bringing-up section be controlled at 0-50 DEG C, the temperature regulating range of the second bringing-up section controls at 50-100 DEG C, the temperature regulating range of the 3rd bringing-up section controls at 100-150 DEG C, the temperature regulating range of the 4th bringing-up section controls at 150-180 DEG C, the temperature regulating range of slender acanthopanax hot arc controls at 180-200 DEG C, the temperature regulating range of the 6th bringing-up section controls at 200-220 DEG C, the temperature regulating range of the 7th bringing-up section controls at 220-250 DEG C, the temperature regulating range of the 8th bringing-up section is 250-300 DEG C, therefore can according to the temperature regulating range set temperature threshold value of each bringing-up section.Or need to be set to different temperature thresholds according to different ceramic post sinterings.
In specific works process, the temperature control equipment of each bringing-up section is provided with relay, when the maximum temperature that the temperature that it detects exceedes the temperature threshold that it is arranged or arrange lower than it the minimum temperature of temperature threshold time, send alarm signal to central controller 22, remind staff.And relay is cut off the electricity supply when temperature is too high, to play the effect of protection to whole equipment.
Multiple bringing-up section carries out different temperatures control, boiler tube can be suitable for respectively carrying out pottery oven dry, Ceramic brazing, ceramic metallization, and can control respectively the temperature in multiple bringing-up section.
The invention provides a kind of ceramic sintering furnace, pottery oven dry, Ceramic brazing and ceramic metallization are integrated by it, combine ceramic post sintering, Ceramic brazing, ceramic metallization three overlap the constructed of technique and differentiation requirement, saving optimizes apparatus and process flow process, reduce flow process, cost and energy consumption that ceramic material is produced, saved floor space and the production cost of many complete equipments, and greatly saved material, decreasing pollution discharges.
Last it is noted that above-described each embodiment is only for illustration of technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or to wherein partly or entirely technical characteristic carry out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a ceramic sintering furnace, it boiler tube comprising cabinet and be arranged on described cabinet inside along cabinet length direction horizontal-extending, described boiler tube is fixed on described cabinet inside by fixed support and is divided into ceramic post sintering pipeline section, transitional pipe segment and cooling pipeline section by described fixed support, the two ends of described boiler tube are respectively arranged with charging aperture and discharging opening, be provided with the transmission crawler belt being positioned at cabinet inside between described charging aperture and described discharging opening, it is characterized in that:
Be arranged with furnace wall outside described ceramic post sintering pipeline section, and be fixed on inside, furnace wall by support and be divided into multiple bringing-up section, the outer wall of each bringing-up section is provided with at least one heater,
The heater of each bringing-up section is connected at least one temperature control equipment, for detecting and regulable control the temperature of bringing-up section inside.
2. ceramic sintering furnace according to claim 1, is characterized in that: described heater is electric heater unit, and heating temperatures scope is 0-1200 DEG C;
Multiple bringing-up sections of described ceramic post sintering pipeline section are along the direction temperature increment from charging aperture to discharging opening.
3. ceramic sintering furnace according to claim 1, is characterized in that: described ceramic sintering furnace also comprises protective gas feedway;
Form the passage passed through for protective gas between described ceramic post sintering pipeline section and described furnace wall inwall, described passage has the gas atmosphere inlet be communicated with described protective gas feedway;
The sidewall of described ceramic post sintering pipeline section has the gas atmosphere inlet of at least one and described channel connection;
The sidewall of described ceramic post sintering pipeline section has protective gas outlet.
4. ceramic sintering furnace according to claim 3, is characterized in that: the sidewall of described transitional pipe segment and cooling pipeline section has respectively gas atmosphere inlet and protective gas outlet.
5. the ceramic sintering furnace according to claim 3 or 4, is characterized in that: charging aperture and the discharge outlet of described boiler tube are respectively arranged with air curtain.
6. ceramic sintering furnace according to claim 4, is characterized in that: be respectively arranged with gas-detecting device near each described gas atmosphere inlet for detecting the concentration being filled with protective gas.
7. the ceramic sintering furnace according to claim 1,2 or 6, is characterized in that: also comprise central controller;
Described gas-detecting device, described heater are connected with described central controller with described temperature control equipment, or
Described gas-detecting device is connected with described central controller with described temperature control equipment.
8. ceramic sintering furnace according to claim 7, is characterized in that: described temperature control equipment inside is provided with temperature threshold, and described temperature threshold is arranged according to the temperature of the ceramic post sintering of different process;
When the temperature of bringing-up section inside exceeds described temperature threshold scope, described temperature control equipment sends signal to described central controller.
9. ceramic sintering furnace according to claim 3, is characterized in that: described gas supply device comprises mixing and is all installed with standby and all presses shunting gas plate;
Protective gas is all installed with for after mixing all pressure through mixing, enters multiple gas atmosphere inlet,
All press shunting gas plate to be arranged on the gas atmosphere inlet place of described passage, protective gas enters boiler tube inside by the pore be opened on ceramic post sintering pipeline section sidewall after all pressing shunting gas plate all to press shunting.
10. ceramic sintering furnace according to claim 9, is characterized in that: described shunting gas plate of all pressing has multiple aeroscopic plate, and the cross section of described multiple aeroscopic plate is loose structure.
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| CN201510945532.7A CN105371658A (en) | 2015-12-16 | 2015-12-16 | Ceramic sintering furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108018540A (en) * | 2017-12-29 | 2018-05-11 | 刘成 | Difunctional reacting furnace |
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|---|---|---|---|---|
| CN108018540A (en) * | 2017-12-29 | 2018-05-11 | 刘成 | Difunctional reacting furnace |
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Application publication date: 20160302 |