Beryllium oxide ceramic cooling device
Technical Field
The utility model relates to a beryllium oxide ceramic production field, concretely relates to beryllium oxide ceramic cooling device.
Background
The conventional beryllium oxide ceramic needs to be cooled slowly in a furnace after being sintered, the temperature is usually cooled naturally under the condition of not opening the furnace, and different sintering furnaces have different heat preservation properties, so that the cooling time of the beryllium oxide ceramic is different. Meanwhile, the external temperature also has great influence on the cooling time, and the cooling process is usually uncontrollable, so that the influence of the cooling stage on the performance of the beryllium oxide ceramic is also uncontrollable.
There is a need for a beryllium oxide ceramic cooling device capable of controlling the cooling rate.
Disclosure of Invention
The utility model discloses the purpose is: provides a beryllium oxide ceramic cooling device capable of controlling the cooling speed.
The technical scheme of the utility model is that: a beryllium oxide ceramic cooling device is arranged on a beryllium oxide ceramic sintering furnace and comprises an exhaust port, an air inlet and a cooling assembly, wherein the exhaust port and the air inlet are arranged on the sintering furnace, the cooling assembly is connected with the exhaust port and the air inlet and comprises a radiator, a circulating fan and a cooling circulating pipe, two ends of the cooling circulating pipe are respectively connected with the exhaust port and the air inlet, and the circulating fan and the radiator are connected on the cooling circulating pipe in series.
According to the technical scheme, when the temperature in the furnace needs to be reduced, the airflow in the furnace returns to the furnace again after being cooled by the radiator, and therefore the cooling effect is achieved. The speed of the air flow is adjusted by the circulating fan, thereby adjusting the cooling efficiency.
According to the preferable technical scheme, the circulating fan is arranged at the outlet end of the radiator, and a first regulating valve is arranged between the circulating fan and the radiator.
In the above technical scheme, the first regulating valve is used for further conveniently regulating the air flow speed.
According to a further technical scheme, the cooling assembly further comprises a circulation adjusting pipe connected with the exhaust port and the air inlet end of the circulating fan, and a second adjusting valve is arranged on the circulation adjusting pipe.
According to the technical scheme, the proportion of the air flow passing through the radiator and the air flow not passing through the radiator can be adjusted through the opening proportion between the first regulating valve and the second regulating valve, so that the temperature of the air flow entering the air inlet is controlled, and the damage to the beryllium oxide ceramic in the furnace due to the overlarge temperature difference is avoided.
In a further technical scheme, a third regulating valve is arranged at the inlet end of the radiator.
Among the above-mentioned technical scheme, close first governing valve, third governing valve when the heating, open second governing valve and circulating fan, gas in the circulating furnace can improve the even degree of heating when the heating.
The cooling assembly is connected with the radiator, the radiator is connected with the cooling assembly, and the inlet end of the cooling assembly is provided with a first regulating valve.
Among the above-mentioned technical scheme, evacuating device's effect is the evacuation, and the waste gas that the impurity produced is discharged.
The preferable technical scheme further comprises a protective gas tank connected with the gas inlet and a fifth regulating valve arranged at the outlet end of the protective gas tank.
In the technical scheme, the protective gas such as nitrogen is filled into the furnace, so that the discharge of impurity gas can be facilitated besides the protective effect.
According to the preferable technical scheme, a temperature detection device for detecting the temperature of the air flow passing through the air outlet is further arranged at the air outlet.
According to the preferable technical scheme, a heating device for heating the passing air flow is arranged at the air inlet.
Among the above-mentioned technical scheme, when cooling down too fast, can adjust the cooling rate through heating device, increase beryllium oxide ceramic quality.
The utility model has the advantages that:
1. the utility model discloses can control beryllium oxide pottery's cooling rate to improve beryllium oxide pottery's performance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
The invention will be further described with reference to the following drawings and examples:
fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. an exhaust port; 2. an air inlet; 3. a heat sink; 4. a circulating fan; 6. A first regulating valve; 8. A second regulating valve; 9. a third regulating valve; 10. a vacuum pumping device; 11. a fourth regulating valve; 12. a shielding gas tank; 13. a fifth regulating valve; 14. a temperature detection device; 15. a heating device.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Example (b): referring to fig. 1, a beryllium oxide ceramic cooling device is provided, which is arranged on a beryllium oxide ceramic sintering furnace and comprises an exhaust port 1, an air inlet 2 and a cooling assembly connected with the exhaust port 1 and the air inlet 2, wherein the cooling assembly is arranged on the sintering furnace and comprises a radiator 3, a circulating fan 4 and a cooling circulating pipe 5, two ends of the cooling circulating pipe 5 are respectively connected with the exhaust port 1 and the air inlet 2, and the circulating fan 4 and the radiator 3 are arranged on the cooling circulating pipe 5 in series. When the temperature in the furnace needs to be reduced, the airflow in the furnace returns to the furnace again after being cooled by the radiator 3, thereby realizing the cooling effect. The speed of the air flow is adjusted by the circulation fan 4, thereby adjusting the cooling efficiency.
The circulating fan 4 is arranged at the outlet end of the radiator 3, and a first regulating valve 6 is arranged between the circulating fan 4 and the radiator 3. The function of the first regulating valve 6 is to further facilitate the regulation of the gas flow rate.
The cooling assembly further comprises a circulation adjusting pipe 7 which is connected with the air outlet 1 and the air inlet end of the circulating fan 4, and a second adjusting valve 8 is arranged on the circulation adjusting pipe 7. The proportion of the air flow passing through the radiator 3 and the air flow not passing through the radiator 3 can be adjusted through the opening proportion between the first adjusting valve 6 and the second adjusting valve 8, so that the temperature of the air flow entering the air inlet 2 is controlled, and the damage to the beryllium oxide ceramic in the furnace due to the overlarge temperature difference is avoided.
The inlet end of the radiator 3 is provided with a third regulating valve 9. The first regulating valve 6 and the third regulating valve 9 are closed during heating, the second regulating valve 8 and the circulating fan 4 are opened, gas in the furnace can be circulated during heating, and the heating uniformity is improved.
The cooling device further comprises a vacuumizing device 10 connected with the cooling assembly, the vacuumizing device 10 is connected with the outlet end of the radiator 3, and a fourth regulating valve 11 is arranged at the inlet end of the vacuumizing device 10. The vacuum-pumping device 10 is used for vacuum pumping and discharging waste gas generated by impurities.
And the device also comprises a protective gas tank 12 connected with the gas inlet 2 and a fifth regulating valve 13 arranged at the outlet end of the protective gas tank 12. And protective gas such as nitrogen is filled into the furnace, so that the protective effect is achieved, and the discharge of impurity gas can be facilitated.
A temperature detection device 14 that detects the temperature of the airflow passing through the exhaust port 1 is also provided at the exhaust port 1.
At the gas inlet 2 a heating device 15 is arranged for heating the passing gas flow. When the cooling is too fast, the cooling speed can be adjusted through the heating device 15, and the quality of the beryllium oxide ceramic is improved.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.