CN217148980U - Quick cooling device and microcrystalline glass production line - Google Patents
Quick cooling device and microcrystalline glass production line Download PDFInfo
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- CN217148980U CN217148980U CN202220269274.0U CN202220269274U CN217148980U CN 217148980 U CN217148980 U CN 217148980U CN 202220269274 U CN202220269274 U CN 202220269274U CN 217148980 U CN217148980 U CN 217148980U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The embodiment of the application provides a quick cooling device and glass ceramic production line. The quick cooling device is used for quickly cooling the formed large-size glass ceramics. The quick-cooling device is formed with fluid passage including the coil pipe body that is the heliciform type, the inside cavity of coil pipe body, and the one end of coil pipe body is provided with the air inlet, and the outer wall of coil pipe body is provided with a plurality of air vents that are used for the air-out, and the air output that is located coil pipe body central point and puts is greater than the air output that is located coil pipe body border position. The quick cooling device in this embodiment, it is including the coil pipe body that is the heliciform type, and is provided with the air vent that is used for the air-out on the coil pipe body. When the quick cooling device in the embodiment is used for cooling the basic glass, the air output quantity of the central position of the coil pipe body is greater than that of the edge position of the coil pipe body, so that the quick cooling device can uniformly and quickly cool the microcrystalline glass, and the formed large-size basic glass is prevented from cracking due to uncontrollable crystallization and nonuniform cooling.
Description
Technical Field
The application relates to the field of microcrystalline glass manufacturing, in particular to a quick cooling device and a microcrystalline glass production line.
Background
This section provides background information related to the present application and is not necessarily prior art.
The ultra-low expansion transparent glass ceramics is a composite material consisting of beta-quartz solid solution nano crystalline phase and glass phase obtained by precisely controlling the microcrystallization of lithium-aluminum-silicon glass, the thermal expansion coefficient of the glass ceramics is close to zero, only one thousand times of metal and one hundred times of glass or ceramic, and the glass ceramics has excellent temperature shock resistance and high temperature resistance. When the ultra-low expansion glass ceramics are produced, because the base glass of the ultra-low expansion glass ceramics has poor thermal stability and can generate uncontrollable crystallization when the temperature is higher than 650 ℃ for a long time, after the meter-level glass ceramics are formed, the base glass needs to be rapidly cooled to quickly exceed the crystallization temperature. In the related art, after the large-size ultra-low expansion glass ceramics are formed, the upper surface of the large-size ultra-low expansion glass ceramics is blown by compressed air for quenching. The lower surface is contacted with the die for natural cooling, the base glass can be subjected to uncontrollable crystallization due to the natural cooling, and when the base glass is cooled, the temperature drop of the edge of the base glass is larger than that of the middle position, so that the microcrystalline glass is easy to generate thermal stress, and further the microcrystalline glass is cracked due to overlarge local thermal stress. Therefore, how to avoid the cracking of the glass ceramics is a problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a quick cooling device and a microcrystalline glass production line, so as to solve the problems of easy cracking and uncontrollable crystallization in the process of producing microcrystalline glass in the prior art. In order to achieve the above purpose, the present application provides the following technical solutions:
embodiments of the first aspect of the present application provide a rapid cooling device, which is used for rapid cooling after forming large-size glass ceramics. The quick-cooling device is formed with fluid passage including the coil pipe body that is the heliciform type, the inside cavity of coil pipe body, and the one end of coil pipe body is provided with the air inlet, and the outer wall of coil pipe body is provided with a plurality of air vents that are used for the air-out, and the air output that is located coil pipe body central point and puts is greater than the air output that is located coil pipe body border position.
According to the rapid cooling device in this embodiment, it is including being the coil pipe body of heliciform type, and is provided with the air vent that is used for the air-out on the coil pipe body. In the related art, the base glass of the microcrystalline glass has poor thermal stability, and uncontrollable crystallization can be generated when the temperature is higher than 650 ℃ for a long time, so that after the microcrystalline glass is formed, the base glass needs to be rapidly cooled to enable the base glass to rapidly exceed the crystallization temperature. When the quick cooling device in the embodiment is used for cooling the basic glass, the air output quantity of the central position of the coil pipe body is greater than that of the edge position of the coil pipe body, so that the quick cooling device can uniformly and quickly cool the microcrystalline glass, and cracking of the formed large-size foundation due to uncontrollable crystallization and nonuniform cooling is avoided.
In addition, according to the embodiment of the application, the following additional technical features can be provided:
in some embodiments of the present application, the spacing between adjacent ventilation holes increases from one end at the center of the coil body to one end at the edge.
In some embodiments of the present application, the rapid cooling device further comprises a gas supply device in communication with the gas inlet, the gas supply device configured to input gas to the coil body.
In some embodiments of the present application, the rapid cooling device further comprises a refrigerating apparatus, one end of which communicates with the air supply apparatus.
In some embodiments of the present application, the coil body is a copper tube.
Embodiments of the second aspect of the present application provide a microcrystalline glass production line, including the rapid cooling device in any one of the embodiments of the first aspect.
According to the microcrystalline glass production line in the embodiment of the present application, since the microcrystalline glass production line includes the rapid cooling device in any embodiment of the first aspect, the microcrystalline glass production line also has the beneficial effects of any embodiment of the first aspect, and details are not repeated here.
In some embodiments of the present application, the microcrystalline glass production line further comprises a mold for containing a glass solution to form microcrystalline glass, wherein the bottom of the mold is provided with at least one temperature sensor for measuring the temperature of the mold.
In some embodiments of the application, the microcrystalline glass production line further comprises a signal receiver, a signal processor and a controller, wherein the signal receiver is used for receiving the temperature signal of the temperature sensor, the signal processor is used for sending out a control signal according to the received temperature signal, and the controller is capable of receiving the control signal and adjusting the air volume of the air inlet according to the control signal.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Like reference numerals refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic structural diagram of a coil body of a rapid cooling device in an embodiment of the present application;
fig. 2 is a positional relationship diagram of a mold and a coil body of a rapid cooling device in a crystallized glass production line in an embodiment of the present application.
The reference numbers are as follows:
100-coil body; 200-vent hole; 400-a mould; 500-temperature sensor.
Detailed Description
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present application, and other embodiments can be obtained by those skilled in the art according to the drawings.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the description herein are intended to be within the scope of the present disclosure.
As shown in fig. 1, the embodiment of the first aspect of the present application provides a rapid cooling device for rapid cooling after forming large-sized glass ceramics. The quick-cooling device is including the coil pipe body 100 that is the heliciform type, and the inside cavity of coil pipe body 100 is formed with fluid passage, and the one end of coil pipe body 100 is provided with the air inlet, and the outer wall of coil pipe body 100 is provided with a plurality of air vents 200 that are used for the air-out, and the air output that is located coil pipe body 100 central point and puts is greater than the air output that is located coil pipe body 100 border position.
According to the instant cooling device in this embodiment, the device includes a spiral coil body 100, and the coil body 100 is provided with a vent 200 for air outlet. In the related art, the base glass of the microcrystalline glass has poor thermal stability, and uncontrollable crystallization can be generated when the temperature is higher than 650 ℃ for a long time, so that after the microcrystalline glass is formed, the base glass needs to be rapidly cooled to enable the base glass to rapidly exceed the crystallization temperature. When the rapid cooling device in the embodiment is used for cooling the basic glass, because the air output of the central position of the coil pipe body 100 is greater than the air output of the edge position of the coil pipe body 100, the rapid cooling device can uniformly and rapidly cool the microcrystalline glass, and the formed large-size basic glass is prevented from cracking due to uncontrollable crystallization and nonuniform cooling.
In this embodiment, the air inlet may be disposed at any end of the coil body 100, and the end of the coil body 100 away from the air inlet needs to be sealed to ensure that the air can be blown out from the vent 200.
In some embodiments of the present application, the spacing between adjacent vents 200 increases from the end located at the center of the coil body 100 to the end located at the edge. In this embodiment, the air holes 200 located in the middle of the coil body 100 are relatively dense, and the air holes 200 located at the edge of the coil body 100 are relatively sparse, so that the air output at the middle of the coil body 100 is greater than the air output at the edge of the coil body 100 when the diameters of the air holes 200 are the same. In some specific embodiments, the diameter of the vent 200 may be 2 mm.
In some embodiments of the present application, the rapid cooling device further comprises a gas supply device in communication with the gas inlet, the gas supply device configured to input gas to the coil body 100. In the present embodiment, the air supply device may be a blower, or may be a device having an air supply function such as a fan, which supplies air to the air inlet of the coil body 100 and blows the air out of the ventilation hole 200 through the fluid passage.
In some embodiments of the present application, the rapid cooling device further comprises a refrigerating apparatus, one end of which communicates with the air supply apparatus. In this embodiment, in order to further rapidly cool the formed glass ceramics, some refrigeration equipment, such as a liquid nitrogen tank, may be provided in the rapid cooling device, and the liquid nitrogen absorbs a large amount of heat when vaporized from a liquid state to a gaseous state, so that the glass ceramics can be cooled more rapidly when applied to the rapid cooling device.
In some embodiments of the present application, the coil body 100 is a copper tube. In this embodiment, since the copper tube has strong and corrosion-resistant characteristics, the coil body 100 can be made of the copper tube.
Embodiments of the second aspect of the present application provide a microcrystalline glass production line, including the rapid cooling device in any one of the embodiments of the first aspect.
According to the glass ceramic production line in the embodiment of the present application, since the glass ceramic production line includes the rapid cooling device in any one of the first aspect, the glass ceramic production line also has the advantageous effects of any one of the first aspect, specifically, the rapid cooling device includes the spiral coil body 100, and the coil body 100 is provided with the vent 200 for air outlet. In the related art, the base glass of the microcrystalline glass has poor thermal stability, and uncontrollable crystallization can be generated when the temperature is higher than 650 ℃ for a long time, so that after the microcrystalline glass is formed, the base glass needs to be rapidly cooled to enable the base glass to rapidly exceed the crystallization temperature. When the quick cooling device in the embodiment is used for cooling the basic glass, the air output of the central position of the coil body 100 is greater than the air output of the edge position of the coil body 100, so that the quick cooling device can uniformly cool the microcrystalline glass, and the formed large-size basic glass is prevented from cracking due to uncontrollable crystallization and nonuniform cooling.
As shown in fig. 2, in some embodiments of the present application, the microcrystalline glass production line further comprises a mold 400, the mold 400 is used for containing a glass solution to form microcrystalline glass, the bottom of the mold 400 is provided with at least one temperature sensor 500, and the temperature sensor 500 is used for measuring the temperature of the mold 400. In this embodiment, the temperature of the mold 400 can be monitored in real time by the temperature sensor 500, so as to ensure that the temperature drop rate of the microcrystalline glass is within a required range. In some embodiments, a plurality of temperature sensors 500 are disposed at the bottom of the mold 400, so that the air output of the rapid cooling device can be adjusted according to the real-time temperature of each temperature sensor 500. In a specific application, the temperature sensor 500 may be a thermocouple, which has a wide temperature measurement range and stable performance, and can be used for measuring the temperature of the microcrystalline glass in the production process.
In some embodiments, the quick cooling device may be disposed at the bottom of the mold 400, and the quick cooling device may be designed to have different sizes according to the size of the mold 400, for example, when the size of the mold 400 is larger, the size of the quick cooling device may be designed to be larger to match the size. Of course, a plurality of rapid cooling devices may be disposed at the bottom of the mold 400, for example, two rapid cooling devices may be disposed at the bottom of the mold 400, wherein the two coil bodies 100 may be wound around each other and disposed in a staggered manner, so that the air volume at the central position of the bottom of the mold 400 may be further increased.
In some embodiments of the present application, the microcrystalline glass production line further includes a signal receiver, a signal processor, and a controller, the signal receiver is configured to receive a temperature signal of the temperature sensor 500, the signal processor is configured to send a control signal according to the received temperature signal, and the controller is configured to receive the control signal and adjust an air volume of the air inlet according to the control signal. In this embodiment, after the signal receiver receives the temperature signal of the temperature sensor 500, the signal receiver can transmit the temperature signal to the signal processor, at this time, the signal processor can send a control signal according to the received temperature signal, and transmit the control signal to the controller, and finally the controller adjusts the air volume of the air inlet, for example, when the temperature of the temperature sensor 500 is too high, the air supply device can be controlled to increase the air volume.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments of the present application are described in a related manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only for the preferred embodiment of the present application and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (7)
1. A quick cooling device is used for quick cooling after large-size glass ceramics are formed, and is characterized by comprising:
the spiral air outlet device comprises a spiral coil pipe body, wherein a fluid channel is formed in the coil pipe body in a hollow mode, an air inlet is formed in one end of the coil pipe body, a plurality of air vents for air outlet are formed in the outer wall of the coil pipe body, and the air outlet amount of the coil pipe body in the center position is larger than that of the coil pipe body in the edge position; the distance between the adjacent vent holes is gradually increased from one end at the center of the coil pipe body to one end at the edge.
2. A quick cooling device as recited in claim 1, further comprising a gas delivery device in communication with said gas inlet, said gas delivery device being configured to deliver gas to said coil body.
3. A quick cooling device as claimed in claim 2, further comprising a refrigerating apparatus, one end of which communicates with the air supply apparatus.
4. A quick cooling device as claimed in claim 1, wherein said coil body is a copper tube.
5. A glass-ceramic production line, characterized by comprising the rapid cooling device according to any one of claims 1 to 4.
6. The microcrystalline glass production line according to claim 5, further comprising a mould for containing a glass solution to shape microcrystalline glass, wherein the bottom of the mould is provided with at least one temperature sensor for measuring the temperature of the mould.
7. The microcrystalline glass production line according to claim 6, further comprising a signal receiver, a signal processor and a controller, wherein the signal receiver is used for receiving the temperature signal of the temperature sensor, the signal processor is used for sending out a control signal according to the received temperature signal, and the controller is capable of receiving the control signal and adjusting the air volume of the air inlet according to the control signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220269274.0U CN217148980U (en) | 2022-02-10 | 2022-02-10 | Quick cooling device and microcrystalline glass production line |
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| CN202220269274.0U CN217148980U (en) | 2022-02-10 | 2022-02-10 | Quick cooling device and microcrystalline glass production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114394735A (en) * | 2022-02-10 | 2022-04-26 | 中材人工晶体研究院有限公司 | Quick cooling device and microcrystalline glass production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114394735A (en) * | 2022-02-10 | 2022-04-26 | 中材人工晶体研究院有限公司 | Quick cooling device and microcrystalline glass production line |
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