阅读说明：本技术 一种微晶陶瓷玻璃的熔炉温度调节方法 (Temperature adjusting method for melting furnace of microcrystalline ceramic glass ) 是由 张福昌 蒋达光 郭磊 钱锋 于 2020-11-19 设计创作，主要内容包括：本发明属于微晶陶瓷玻璃制作温度技术领域,尤其是一种微晶陶瓷玻璃的熔炉温度调节方法,针对现有的窑炉温度加热方式复杂,加热效率低,且不便于控制窑炉温度的问题,现提出如下方案,其包括以下方法：S1：将微晶陶瓷玻璃制备原料导入窑炉内；S2：窑炉的底部设置出料口；S3：在窑炉上设置气泵,窑炉的底部设置出料口,出料口为鸭嘴结构；S4：在窑炉的外侧活动设置电感线圈；S5：窑炉的底部连接升降气缸,控制窑炉升降；S6：对窑炉内进行温度检测和气压检测；S7：窑炉上设置冷却腔,微晶陶瓷玻璃制备原料包括铁、镁和二氧化硅。本发明对窑炉加热方便,使得窑炉受热均匀,加热效率高,便于控制窑炉温度。(The invention belongs to the technical field of temperature for manufacturing microcrystalline ceramic glass, in particular to a method for adjusting the temperature of a furnace for manufacturing the microcrystalline ceramic glass, which aims at solving the problems that the existing furnace is complex in temperature heating mode, low in heating efficiency and inconvenient to control the temperature of the furnace, and provides the following scheme, wherein the method comprises the following steps: s1: introducing a microcrystalline ceramic glass preparation raw material into a kiln; s2: a discharge hole is formed at the bottom of the kiln; s3: an air pump is arranged on the kiln, a discharge hole is arranged at the bottom of the kiln, and the discharge hole is of a duckbill structure; s4: an inductance coil is movably arranged on the outer side of the kiln; s5: the bottom of the kiln is connected with a lifting cylinder to control the kiln to lift; s6: carrying out temperature detection and air pressure detection in the kiln; s7: the kiln is provided with a cooling cavity, and the raw materials for preparing the microcrystalline ceramic glass comprise iron, magnesium and silicon dioxide. The invention is convenient for heating the kiln, so that the kiln is uniformly heated, the heating efficiency is high, and the temperature of the kiln is convenient to control.)

1. A method for adjusting the temperature of a furnace for producing a glass-ceramic, comprising:

s1: introducing a microcrystalline ceramic glass preparation raw material into a kiln;

s2: a discharge hole is formed at the bottom of the kiln;

s3: an air pump is arranged on the kiln, and a discharge hole is formed in the bottom of the kiln;

s4: an inductance coil is movably arranged on the outer side of the kiln;

s5: the bottom of the kiln is connected with a lifting cylinder to control the kiln to lift;

s6: carrying out temperature detection and air pressure detection in the kiln;

s7: the kiln is provided with a cooling cavity.

2. The method of claim 1, wherein the raw materials for producing the glass-ceramic in S1 include iron, magnesium and silicon dioxide, and the raw materials for producing the glass-ceramic are powdered iron, magnesium and silicon dioxide and are charged into the furnace.

3. The method of claim 1, wherein a solenoid valve is connected between the gas pump and the furnace in S3, and the interior of the furnace is first evacuated to form a low pressure.

4. The method of claim 1, wherein a high voltage power supply and a controller are connected to the inductor in S4, and the inductor is energized to heat and melt the raw material in the furnace.

5. The method for adjusting the temperature of a furnace for microcrystalline ceramic glass according to claim 1, wherein four elevating cylinders are provided at the bottom of the furnace in S5, and the four elevating cylinders control the elevation of the furnace.

6. The method for adjusting the furnace temperature of a microcrystalline ceramic glass as claimed in claim 1, wherein in S6, the air pressure in the furnace is monitored, when the air pressure in the furnace increases, the air pump is started to continue pumping air, when the air pressure in the furnace decreases, the air pump is started in reverse to blow air in the furnace, the temperature sensor monitors the temperature in the furnace, when the temperature in the furnace is too high, the current of the inductance coil decreases, and the temperature in the furnace decreases; when the temperature in the kiln is reduced, the current of the inductance coil is increased, and the temperature in the kiln can be increased.

7. The method for adjusting the temperature of a furnace for melting microcrystalline ceramic glass as claimed in claim 1, wherein the furnace in S7 is provided with a cooling chamber, the cooling chamber is spirally provided on the furnace, the cooling chamber is connected with a cooling tank, a cooling liquid, a refrigerator and a circulating pump are provided in the cooling tank, an outlet of the circulating pump is communicated with one end of the cooling chamber, and the other end of the cooling chamber is communicated with the cooling tank.

8. The method for adjusting the temperature of the furnace for ceramic-ceramic glass as claimed in claim 7, wherein when the temperature in the furnace is too high, the circulating pump is started to send the cooling liquid into the cooling chamber to cool the furnace, the cooling liquid flows back to the cooling tank again for recycling, and after the temperature is lowered, the circulating pump stops working.

Technical Field

The invention relates to the technical field of manufacturing temperature of microcrystalline ceramic glass, in particular to a method for adjusting the temperature of a melting furnace of microcrystalline ceramic glass.

Background

The crystal glass ceramic is also called as machinable ceramic, which is mica microcrystalline glass taking synthetic mica as a main crystal phase, and is a ceramic material capable of being machined, and the main processing mode is to prepare raw materials, wherein the raw materials comprise iron, magnesium and silicon dioxide, the melting point of iron is 1535, the boiling point of iron is 2750, the melting point of magnesium is 648.8 ℃, the boiling point of silicon dioxide is 1107 ℃, the melting point of silicon dioxide is 1723 ℃ and the boiling point of silicon dioxide is 2230 ℃; the raw materials are put into a furnace to be heated and melted to generate crystal nuclei, the temperature of the furnace is 800-1600 ℃, the raw materials become flowable liquid to be put into a grinding tool for forming, the liquid is cooled in the forming process to form glass solid, annealing is carried out to finish the basic glass, crystalline phase and amorphous phase are generated by heat treatment, the microstructure is changed, crystals are grown, the strength and hardness of the glass become stronger, and the glass is machined into the final product form.

The existing kiln is complex in temperature heating mode, low in heating efficiency and inconvenient to control the temperature of the kiln.

Disclosure of Invention

The invention aims to solve the defects of complex heating mode, low heating efficiency and inconvenience in controlling the temperature of a kiln in the prior art, and provides a method for adjusting the temperature of a furnace of microcrystalline ceramic glass.

In order to achieve the purpose, the invention adopts the following technical scheme:

a temperature adjusting method of a furnace for microcrystalline ceramic glass comprises the following steps:

s1: introducing a microcrystalline ceramic glass preparation raw material into a kiln;

s2: a discharge hole is formed at the bottom of the kiln;

s3: an air pump is arranged on the kiln, a discharge hole is arranged at the bottom of the kiln, and the discharge hole is of a duckbill structure;

s4: an inductance coil is movably arranged on the outer side of the kiln;

s5: the bottom of the kiln is connected with a lifting cylinder to control the kiln to lift;

s6: carrying out temperature detection and air pressure detection in the kiln;

s7: the kiln is provided with a cooling cavity.

Preferably, in S1, the microcrystalline ceramic glass manufacturing raw materials comprise iron, magnesium and silicon dioxide, and the powdered raw materials of iron, magnesium and silicon dioxide are added into the kiln.

Preferably, an electromagnetic valve is connected between the air pump and the kiln in S3, and the interior of the kiln is first evacuated to form a low pressure inside the kiln.

Preferably, in S4, the inductor is connected to a high voltage power supply and a controller, and the inductor is energized to heat and melt the raw material in the kiln.

Preferably, four lifting cylinders are arranged at the bottom of the kiln in the step S5 and control the lifting of the kiln, so that the raw materials in the kiln are uniformly heated.

Preferably, in S6, the air pressure in the kiln is monitored, when the air pressure in the kiln increases, the air pump is started to continue pumping air, when the air pressure in the kiln decreases, the air pump is reversely started to blow air into the kiln, the temperature sensor monitors the temperature in the kiln, and when the temperature in the kiln is too high, the current of the inductance coil decreases, and the temperature in the kiln decreases; when the temperature in the kiln is reduced, the current of the inductance coil is increased, and the temperature in the kiln can be increased.

Preferably, the kiln in the step S7 is provided with a cooling cavity, the cooling cavity is spirally arranged on the kiln, the cooling cavity is connected with a cooling box, the cooling box is internally provided with cooling liquid, a refrigerator and a circulating pump, an outlet of the circulating pump is communicated with one end of the cooling cavity, and the other end of the cooling cavity is communicated with the cooling box.

Preferably, when the temperature in the kiln is too high, the circulating pump is started to send the cooling liquid into the cooling cavity to cool the kiln, the cooling liquid flows back to the cooling box again for recycling, and after the temperature is lowered, the circulating pump stops working.

Compared with the prior art, the invention has the advantages that:

(1) according to the scheme, the low pressure is arranged in the kiln, so that the raw material melting efficiency can be improved, the pollution of coal can be reduced by arranging the inductance coil, and the inductance coil is high in heating efficiency and uniform in heating;

(2) the temperature in the kiln can be controlled, and the temperature can be automatically increased and reduced.

The invention is convenient for heating the kiln, so that the kiln is uniformly heated, the heating efficiency is high, and the temperature of the kiln is convenient to control.

Drawings

Fig. 1 is a schematic structural diagram of a furnace temperature adjustment method for microcrystalline ceramic glass according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1, a method for adjusting the temperature of a furnace for microcrystalline ceramic glass includes the following steps:

s1: introducing a microcrystalline ceramic glass preparation raw material into a kiln;

s2: a discharge hole is formed at the bottom of the kiln;

s3: an air pump is arranged on the kiln, a discharge hole is arranged at the bottom of the kiln, and the discharge hole is of a duckbill structure;

s4: an inductance coil is movably arranged on the outer side of the kiln;

s5: the bottom of the kiln is connected with a lifting cylinder to control the kiln to lift;

s6: carrying out temperature detection and air pressure detection in the kiln;

s7: the kiln is provided with a cooling cavity.

In this example, the microcrystalline ceramic glass production raw materials in S1 include iron, magnesium, and silicon dioxide, and the powdery raw materials of iron, magnesium, and silicon dioxide are charged into the kiln.

In this embodiment, the electromagnetic valve is connected between the air pump and the kiln in S3, and the interior of the kiln is first evacuated to form a low pressure inside the kiln.

In this embodiment, the inductor in S4 is connected to a high-voltage power supply and a controller, and the inductor is energized to heat and melt the raw material in the kiln.

In this embodiment, four lifting cylinders are arranged at the bottom of the kiln in the step S5, and the four lifting cylinders control the kiln to lift, so that the raw materials in the kiln are heated uniformly.

In this embodiment, in S6, the air pressure in the kiln is monitored, when the air pressure in the kiln increases, the air pump is started to continue pumping air, when the air pressure in the kiln decreases, the air pump is reversely started to blow air into the kiln, the temperature sensor monitors the temperature in the kiln, and when the temperature in the kiln is too high, the current of the inductance coil decreases, and the temperature in the kiln decreases; when the temperature in the kiln is reduced, the current of the inductance coil is increased, and the temperature in the kiln can be increased.

In this embodiment, set up the cooling chamber in S7 on the kiln, the cooling chamber spiral is seted up on the kiln, connects the cooling box on the cooling chamber, is provided with coolant liquid, refrigerator and circulating pump in the cooling box, and the export of circulating pump communicates with the one end in cooling chamber, and the other end and the cooling box intercommunication in cooling chamber.

In this embodiment, when the temperature was too high in the kiln, the circulating pump was started and is sent the cooling liquid into the cooling chamber and cool down the kiln, and the cooling liquid refluxes back to the cooling tank recycle, and after the temperature reduced, the circulating pump stopped working.

Example two

Referring to fig. 1, a method for adjusting the temperature of a furnace for microcrystalline ceramic glass includes the following steps:

s1: introducing a microcrystalline ceramic glass preparation raw material into a kiln;

s2: a discharge hole is formed at the bottom of the kiln;

s3: an air pump is arranged on the kiln, a discharge hole is arranged at the bottom of the kiln, and the discharge hole is of a duckbill structure;

s4: an inductance coil is movably arranged on the outer side of the kiln;

s5: the bottom of the kiln is connected with a lifting cylinder to control the kiln to lift;

s6: carrying out temperature detection and air pressure detection in the kiln;

s7: the kiln is provided with a cooling cavity.

In this example, the microcrystalline ceramic glass preparation raw materials in S1 include iron, magnesium, and silicon dioxide, the iron, magnesium, and silicon dioxide need to be pulverized, and the powdery raw materials iron, magnesium, and silicon dioxide are added into the kiln.

In this embodiment, the electromagnetic valve is connected between the air pump and the kiln in S3, and the interior of the kiln is first evacuated to form a low pressure in the kiln, which can lower the melting points and boiling points of iron, magnesium, and silica.

In this embodiment, the inductor in S4 is connected to a high-voltage power supply and a controller, the inductor is energized to heat and melt the raw material in the kiln, the inductor is configured to heat and melt the metal in the kiln, and the silicon dioxide is gradually melted when heated in the metal solution.

In this embodiment, four lifting cylinders are arranged at the bottom of the kiln in the step S5, and the four lifting cylinders control the kiln to lift, so that the raw materials in the kiln are uniformly heated, and the kiln can be lifted and lowered repeatedly, so that the kiln is uniformly heated.

In this embodiment, in S6, the air pressure in the kiln is monitored, when the air pressure in the kiln increases, the air pump is started to continue pumping air, when the air pressure in the kiln decreases, the air pump is reversely started to blow air into the kiln, the temperature sensor monitors the temperature in the kiln, and when the temperature in the kiln is too high, the current of the inductance coil decreases, and the temperature in the kiln decreases; when the temperature in the kiln is reduced, the current of the inductance coil is increased, and the temperature in the kiln can be increased.

In this embodiment, set up the cooling chamber in S7 on the kiln, the cooling chamber spiral is seted up on the kiln, can improve cooling effect, connects the cooler bin on the cooling chamber, is provided with coolant liquid, refrigerator and circulating pump in the cooler bin, and the export of circulating pump communicates with the one end in cooling chamber, and the other end and the cooler bin intercommunication in cooling chamber.

In this embodiment, when the temperature was too high in the kiln, the circulating pump was started and is sent the cooling liquid into the cooling chamber and cool down the kiln, and the cooling liquid refluxes back to the cooling tank recycle, and after the temperature reduced, the circulating pump stopped working.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.