CN220034311U - Muffle furnace - Google Patents

Muffle furnace Download PDF

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Publication number
CN220034311U
CN220034311U CN202320840402.7U CN202320840402U CN220034311U CN 220034311 U CN220034311 U CN 220034311U CN 202320840402 U CN202320840402 U CN 202320840402U CN 220034311 U CN220034311 U CN 220034311U
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China
Prior art keywords
cavity
heating device
temperature
electric heating
supply device
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CN202320840402.7U
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Chinese (zh)
Inventor
蔡军兴
严永海
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Dongxu Pharmaceutical Glass Beijing Technology Co ltd
Beijing Yuanda Xinda Technology Co Ltd
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Dongxu Pharmaceutical Glass Beijing Technology Co ltd
Beijing Yuanda Xinda Technology Co Ltd
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Priority to CN202320840402.7U priority Critical patent/CN220034311U/en
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Abstract

The present disclosure provides a muffle furnace. Wherein, the muffle furnace includes: the body is provided with a containing cavity, and a glass Dannara tube is arranged in the containing cavity; the first heating device stretches into the accommodating cavity and is used for providing flame heating for the accommodating cavity; the air supply device is connected with the first heating device and is used for supplying fuel gas to the first heating device and controlling the amount of the fuel gas supplied to the first heating device; the electric heating device is arranged in the accommodating cavity and is used for providing electric heating for the accommodating cavity; and the power supply device is connected with the electric heating device and is used for supplying power to the electric heating device and controlling the electric quantity supplied to the electric heating device.

Description

Muffle furnace
Technical Field
The disclosure relates to the technical field of glass manufacturing, in particular to a muffle furnace.
Background
At present, in the production process of the neutral boron silicon medical glass Guan Dan nm, the glass has high viscosity, high temperature required for forming glass and high requirement on the viscosity control of glass liquid in the rotation and homogenization process.
In the prior art, the muffle furnace temperature control process is relatively rough, and the problems of temperature control difference and heating adjustment lag exist for the middle and high boron glass pull tubes with high forming viscosity.
Therefore, how to provide a muffle furnace capable of improving the temperature control capability is a problem to be solved.
Disclosure of Invention
One technical problem to be solved by the present disclosure is: how to improve the control capacity of the muffle furnace.
To solve the above technical problem, an embodiment of the present disclosure provides a muffle furnace, including:
the body is provided with a containing cavity, and a glass Dannara tube is arranged in the containing cavity;
the first heating device stretches into the accommodating cavity and is used for providing flame heating for the accommodating cavity;
the air supply device is connected with the first heating device and is used for supplying fuel gas to the first heating device and controlling the amount of the fuel gas supplied to the first heating device;
the electric heating device is arranged in the accommodating cavity and is used for providing electric heating for the accommodating cavity;
and the power supply device is connected with the electric heating device and is used for supplying power to the electric heating device and controlling the electric quantity supplied to the electric heating device.
In some embodiments, a partition plate is disposed in the accommodating cavity to partition the accommodating cavity into a first cavity and a second cavity, the glass Danand tube is disposed in the first cavity, the first heating device extends into the first cavity to provide flame heating for the first cavity, and the electric heating device is disposed in the second cavity to provide radiant heating for the second cavity.
In some embodiments, the separator plate is a thermally conductive plate.
In some embodiments, further comprising:
the at least two temperature detection devices extend into the first cavity and the second cavity respectively to detect the first temperature and the second temperature in the first cavity and the second cavity;
and the controller is connected with the at least two temperature detection devices and is used for receiving the first temperature and the second temperature, and the controller is also connected with the air supply device and the power supply device and is used for controlling the air supply quantity of the air supply device and the power supply quantity of the power supply device according to the first temperature and the second temperature.
In some embodiments, further comprising:
the pressure detection device stretches into the first cavity and is used for detecting first pressure in the first cavity, the pressure detection device is connected with the controller and is used for sending the first pressure to the controller, and the controller sends a control signal according to the first pressure.
In some embodiments, further comprising:
and the pressure adjusting device is arranged on the body and is communicated with the first cavity, and the pressure adjusting device is also connected with the controller and controls the pressure in the first cavity according to the signal of the controller.
In some embodiments, the body is provided with a first exhaust port and a second exhaust port, the first exhaust port is connected with the first cavity, the second exhaust port is communicated with the second cavity, the first exhaust port is communicated with a pressure adjusting device, and the pressure adjusting device is used for adjusting the opening degree of the first exhaust port.
In some embodiments, the second cavity has a plurality of mutually independent subchambers, each subchamber having an electrical heating device disposed therein.
In some embodiments, the first heating device comprises a burner block and a burning torch, one end of the burner block is fixedly connected with the body, the other end of the burner block is fixedly connected with the partition plate, a first accommodating hole matched with the burning torch is formed in one end of the burner block, which faces the partition plate, the partition plate is provided with a second accommodating hole corresponding to the first accommodating hole, the burning torch penetrates through the first accommodating hole and the second accommodating hole in sequence and stretches into the first cavity, and the burning torch is connected with the air supply device to receive air supply of the air supply device to send flame to the first cavity.
In some embodiments, the first heating devices are a plurality of, and the plurality of first heating devices are symmetrically arranged on the body;
the electric heating devices are also multiple, and the multiple electric heating devices are symmetrically arranged on the body.
Through above-mentioned technical scheme, the muffle furnace that this disclosure provided, including body, first heating device, air feeder, electric heater unit and power supply unit, the body has and holds the chamber, and glass danna draws the pipe and holds the intracavity at the body and go on to need to heat the intracavity that holds of body, so that hold the intracavity temperature and reach the temperature of glass danna draws the pipe, thereby realize glass danna draws the pipe. The muffle furnace is provided with a first heating device and an electric heating device, the first heating device stretches into the accommodating cavity, flame heating inside the accommodating cavity is realized through fuel gas provided by the air supply device, so that the temperature in the accommodating cavity is improved, the flame size of the first heating device, namely the strength of the heating temperature, is determined according to the air supply quantity of the air supply device, and the heating temperature of the first heating device can be adjusted through the air supply quantity of the air supply device. The electric heating device is arranged in the accommodating cavity, and provides electric quantity for the electric heating device through the power supply device so as to realize electric heating of the electric heating device in the accommodating cavity, and the heating temperature of the electric heating device reaches the strength and is determined according to the electric quantity provided by the power supply device, so that the heating temperature of the electric heating device can be adjusted according to the power supply quantity of the power supply device. According to the muffle furnace provided by the utility model, through the arrangement of the first heating device and the electric heating device, the heating temperatures of the first heating device and the electric heating device can be timely adjusted through the air supply device and the power supply device, so that the temperature control capability of the temperature in the accommodating cavity is enhanced, the uniformity of a temperature field in the furnace is ensured, the heating temperature can be timely adjusted, the stable forming of the high-viscosity glass pull tube is realized, the glass viscosity adjusting capability is strong, the reaction is rapid, and the effective control of the forming temperature is ensured through the application of the two modes of electric heating and direct heating, so that the production requirements of the medium-high-boron glass pull tube with high forming viscosity are met.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
FIG. 1 is a block diagram of a muffle disclosed in an embodiment of the utility model;
fig. 2 is a schematic view of a part of a muffle furnace according to an embodiment of the utility model.
Reference numerals illustrate:
1. a muffle furnace; 11. a body; 111. a first exhaust port; 112. a second exhaust port; 113. a first cavity; 114. a second cavity; 1141. a subchamber; 12. a first heating device; 121. a burner block; 122. burning gun; 13. a gas supply device; 14. an electric heating device; 15. a power supply device; 16. a partition plate; 17. a temperature detecting device; 18. a controller; 19. a pressure detection device; 20. and a pressure adjusting device.
Detailed Description
Embodiments of the present disclosure are described in further detail below with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the disclosure and not to limit the scope of the disclosure, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but rather to include all technical solutions falling within the scope of the claims.
The present disclosure provides these embodiments in order to make the present disclosure thorough and complete, and fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.
In the description of the present disclosure, unless otherwise indicated, the meaning of "plurality" is greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like indicate an orientation or positional relationship merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present disclosure. When the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.
Furthermore, the use of the terms first, second, and the like in this disclosure do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements.
It should also be noted that, in the description of the present disclosure, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present disclosure may be understood as appropriate by those of ordinary skill in the art. When a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device.
All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure pertains, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.
As shown in fig. 1, a muffle furnace 1 provided by the present utility model includes:
the glass tube comprises a body 11, wherein the body 11 is provided with a containing cavity, and a glass Dannara tube is arranged in the containing cavity;
a first heating device 12, the first heating device 12 extending into the accommodating chamber for providing flame heating for the accommodating chamber;
a gas supply device 13, the gas supply device 13 being connected to the first heating device 12 for supplying gas to the first heating device 12 and controlling the amount of gas supplied to the first heating device 12;
an electric heating device 14, the electric heating device 14 being arranged in the accommodating cavity for providing electric heating for the accommodating cavity;
and a power supply device 15, wherein the power supply device 15 is connected with the electric heating device 14 and is used for supplying power to the electric heating device 14 and controlling the supplied electric quantity to the electric heating device 14.
The disclosure provides a muffle furnace 1, including body 11, first heating device 12, air feeder 13, electric heater unit 14 and power supply unit 15, body 11 has and holds the chamber, and glass danna draws the pipe and holds the intracavity at body 11 and go on to need to heat the intracavity that holds of body 11, in order to provide the temperature that holds the chamber, thereby realize glass danna draws the pipe. The muffle furnace 1 is provided with a first heating device 12 and an electric heating device 14, the first heating device 12 stretches into the accommodating cavity, flame heating in the accommodating cavity is realized through fuel gas provided by the air supply device 13 so as to improve the temperature in the accommodating cavity, and the flame size of the first heating device 12, namely the intensity of heating temperature, is determined according to the air supply quantity of the air supply device 13, so that the heating temperature of the first heating device 12 can be adjusted through the air supply quantity of the air supply device 13. The electric heating device 14 is arranged in the accommodating cavity, and the electric power is supplied to the electric heating device 14 through the power supply device 15, so that the electric heating device 14 can electrically heat the accommodating cavity, the heating temperature of the electric heating device 14 is determined according to the electric power supplied by the power supply device 15, and the heating temperature of the electric heating device 14 can be adjusted according to the power supply amount of the power supply device 15. According to the muffle furnace 1 provided by the utility model, through the arrangement of the first heating device 12 and the electric heating device 14, the heating temperatures of the first heating device 12 and the electric heating device 14 can be timely adjusted through the air supply device 13 and the power supply device 15, so that the temperature control capability of the temperature in the accommodating cavity is enhanced, the heating temperature can be timely adjusted, and the production requirements of the medium-high boron glass pull tube with high molding viscosity are met.
As shown in fig. 1, in this embodiment, a partition plate 16 is disposed in the accommodating cavity to partition the accommodating cavity into a first cavity 113 and a second cavity 114, a glass danazol tube is performed in the first cavity 113, and the first heating device 12 extends into the first cavity 113 to provide flame heating for the first cavity, and the electric heating device 14 is disposed in the second cavity 114 to provide radiant heating for the second cavity 114.
In this embodiment, the accommodating cavity formed by the body 11 is provided with the partition plate 16, the accommodating cavity is partitioned to form the first cavity 113 and the second cavity 114, the first cavity 113 and the second cavity 114 are adjacently arranged, the first cavity 113 is used for glass Danna tube, the first heating device 12 stretches into the first cavity 113, the first cavity 113 is directly heated by flame heating so as to raise the temperature in the first cavity 113, the electric heating device 14 is arranged in the second cavity 114, electric heating is provided in the second cavity 114, heat is radiated into the first cavity 113, indirect heating is provided for the first cavity 113, and thus the first cavity 113 is provided with two heating modes of direct heating and indirect heating, so that the temperature control capability can be better improved, the temperature in the first cavity 113 is more uniform, the effect of the medium borosilicate glass Danna tube carried out in the first cavity 113 is improved, and the stable forming effect of the glass tube is improved. And the electric heating device 14 and the first heating device 12 are separated by the separation plate 16, so that the first heating device 12 directly heated by flame can be prevented from damaging the electric heating device 14, and the service life of the electric heating device 14 is prolonged.
In this embodiment, the partition plate 16 is a heat conductive plate.
In this embodiment, two heat conducting plates are arranged in the accommodating cavity, the two heat conducting plates are arranged at intervals along the height direction parallel to the muffle furnace 1, two second cavities 114 and a first cavity 113 positioned between the two second cavities 114 are formed, namely, the first cavity 113 is arranged between the two heat conducting plates, each heat conducting plate and the outer wall of the muffle furnace 1 form the second cavity 114, the outer wall of the muffle furnace 1 is made of heat-resistant materials, the heat conducting plates can better transfer the heat provided by the electric heating device 14 arranged in the second cavity 114 into the first cavity 113, so that the first cavity 113 can be heated better, and the heat conducting plates can enable the heat radiated by the second cavity 114 to the first cavity 113 to be more uniform, so that the uniformity of the temperature in the first cavity 113 is improved. The heat conducting plate is a 15-30 mm thick silicon nitride plate with strong thermal shock resistance and heat conductivity.
As shown in fig. 1, in this embodiment, further includes:
at least two temperature detecting means 17, the at least two temperature detecting means 17 extending into the first cavity 113 and the second cavity 114, respectively, to detect a first temperature and a second temperature in the first cavity 113 and the second cavity 114;
the controller 18, the controller 18 is connected with at least two temperature detection devices 17 for receiving first temperature and second temperature, and the controller 18 is still connected with air supply device 13 and power supply device 15 for the air supply amount of air supply device 13 and the power supply amount of power supply device 15 are controlled according to first temperature and second temperature.
In this embodiment, the muffle furnace 1 further includes at least two temperature detecting devices 17 and a controller 18, the at least two temperature detecting devices 17 and the controller 18 are electrically connected, the controller 18 is further connected with the air supply device 13 and the power supply device 15, the at least two temperature detecting devices 17 extend into the first cavity 113 and the second cavity 114 respectively, thereby detecting and obtaining the temperature in the first cavity 113 and the first temperature and the second temperature in the second cavity 114, the at least two temperature detecting devices 17 transmit the first temperature and the second temperature to the controller 18, the temperature detecting devices 17 are thermocouples, the controller 18 controls the air supply device 13 and the power supply device 15 according to the first temperature and the second temperature, the controller 18 controls the air supply device 13 and the power supply device 15 according to the prior art, and controls the power supply device 15 to the power supply device 14, the controller 18 and the controller 18 control the air supply device 13 and the power supply device 15 respectively are technical characteristics in the prior art, thereby realizing better temperature control of the first cavity 113 and temperature control of the glass tube, better temperature control effect on the glass tube temperature uniformity is achieved, the temperature control of the glass tube is improved, the temperature field is improved, the temperature control of the glass tube is well, and the temperature control of the glass tube is well controlled, the temperature field is stable, and the temperature of the temperature is stable, the problem of the glass is avoided, and the temperature in the forming is well, and the temperature is stable.
As shown in fig. 1, in this embodiment, further includes:
the pressure detection device 19, the pressure detection device 19 stretches into the first cavity 113 for detecting the first pressure in the first cavity 113, and the pressure detection device 19 is connected with the controller 18 to send the first pressure to the controller 18, and the controller 18 sends the control signal according to the first pressure.
In this embodiment, the muffle furnace 1 further includes a pressure detecting device 19, where the pressure detecting device 19 extends into the first cavity 113 and is used to detect the pressure in the first cavity 113 to obtain the first pressure in the first cavity 113, and the pressure detecting device 19 is connected with the controller 18, so that the detected first pressure in the first cavity 113 is sent to the controller 18, and the controller 18 controls the pressure in the first cavity 113 according to the first pressure in the first cavity 113, so as to ensure the stability of the temperature field of the first cavity 113.
As shown in fig. 1, in this embodiment, further includes:
the pressure adjusting device 20 is arranged on the body 11 and is communicated with the first cavity 113, the pressure adjusting device is also connected with the controller 18, and the pressure adjusting device 20 controls the pressure in the first cavity 113 according to the signal of the controller 18.
In this embodiment, the muffle furnace 1 further includes a pressure adjusting device, which is disposed on the body 11 and is communicated with the first cavity 113, for controlling the pressure in the first cavity 113, and the pressure adjusting device is further connected with the controller 18, and after receiving the first pressure in the first cavity 113 sent by the pressure detecting device 19, the controller 18 sends a signal to the pressure adjusting device according to the first pressure, so as to adjust the pressure in the first cavity 113, so as to ensure the stability of the temperature field of the first cavity 113.
As shown in fig. 1, in this embodiment, a first exhaust port 111 and a second exhaust port 112 are provided on the body 11, the first exhaust port 111 is connected to the first chamber 113, the second exhaust port 112 is communicated with the second chamber 114, the first exhaust port 111 is communicated with a pressure adjusting device for adjusting the opening degree of the first exhaust port 111.
In this embodiment, the body 11 is provided with a first exhaust port 111 and a second exhaust port 112, the first exhaust port 111 is disposed above the first cavity 113, and the second exhaust port 112 is disposed above the second cavity 114, so that gas in the first cavity 113 is exhausted through the first exhaust port 111, and gas in the second cavity 114 is exhausted from the second exhaust port 112, thereby respectively realizing the adjustment of the pressure of the first cavity 113 and the second cavity 114, and the first exhaust port 111 is connected with a pressure adjusting device, so that the opening degree of the first exhaust port 111 is adjusted through the pressure adjusting device, thereby realizing the control of the pressure in the first cavity 113, and ensuring the stability of the temperature field of the first cavity 113. The exhaust of the second exhaust port 112 is to control the pressure of the second cavity 114, so as to avoid the influence of the excessive pressure in the second cavity 114 on the muffle 1.
In this embodiment, as shown in fig. 2, the second chamber 114 has a plurality of independent sub-chambers 1141, and an electric heating device 14 is disposed in each sub-chamber 1141.
In this embodiment, a plurality of independent sub-cavities 1141 are disposed in the second cavity 114 according to the requirements of the glass danazol, and each sub-cavity 1141 is provided with an electric heating device 14 therein, and the heating conditions of the electric heating devices 14 in each sub-cavity 1141 are different according to the required temperature of the electric heating devices radiating into the first cavity 113, so that the temperatures of the different positions of the first cavity 113 corresponding to the plurality of different sub-cavities 1141 are different, thereby forming the glass danazol with different required shapes, and meeting the production requirements of products.
In this embodiment, as shown in fig. 2, the second chamber 114 includes three independent subchambers 1141.
As shown in fig. 1, in this embodiment, the first heating device 12 includes a burner block 121 and a burning torch 122, one end of the burner block 121 is fixedly connected with the body 11, the other end is fixedly connected with the partition plate 16, a first accommodating hole adapted to the burning torch 122 is provided at one end of the burner block 121 facing the partition plate 16, the partition plate 16 has a second accommodating hole corresponding to the first accommodating hole, the burning torch 122 extends into the first cavity 113 through the first accommodating hole and the second accommodating hole in turn, and the burning torch 122 is connected with the air supply device 13 to receive air supply of the air supply device 13 to emit flame to the first cavity 113.
In this embodiment, the first heating device 12 includes a burner block 121 and a burning gun 122, one end of the burner block 121 is fixedly connected with the inner surface of the outer wall of the body 11, the other end is fixedly connected with the partition plate 16, so that the burner block 121 is fixed in the second cavity 114, the burner block 121 has a first accommodating hole penetrating through the length direction of the burner block 121, the partition plate 16 has a second accommodating hole corresponding to the first accommodating hole, the first accommodating hole and the second accommodating hole are matched with the burning gun 122, the burning gun 122 sequentially penetrates through the first accommodating hole and the second accommodating hole and extends out of the second accommodating hole to the first cavity 113, the burning gun 122 is connected with the air supply device 13 to receive air sent by the air supply device 13, and flame is sprayed into the first cavity 113 according to the air quantity sent by the air supply device 13, so that direct heating of the first cavity 113 is realized, and the temperature in the first cavity 113 is increased.
In this embodiment, the first heating devices 12 are plural, and the plural first heating devices 12 are symmetrically disposed on the body 11;
the number of the electric heating devices 14 is also plural, and the electric heating devices 14 are symmetrically arranged on the body 11.
In this embodiment, the number of the first heating devices 12 may be four, two first heating devices 12 are symmetrically disposed at a first height of the body 11, the other two first heating devices 12 are symmetrically disposed at a second height of the body 11, the first heating devices 12 at the first height and the second heating devices at the second height are symmetrically disposed, and the electric heating devices 14 and the at least two temperature detecting devices 17 are disposed between the first heating devices 12 disposed at two different heights on the same side, and one electric heating device 14 is disposed in each sub-cavity 1141 in the second cavity 114, so that heat can be supplied to the first cavity 113 more uniformly, thereby making the temperature field in the furnace more uniform.
In this embodiment, the air supply device 13 is a combustion disk, and the power supply device 15 is an electric control cabinet.
The utility model provides a muffle furnace, including body, first heating device, air feeder, electric heater unit and power supply unit, the body has and holds the chamber, and the glass Dannaron is managed and is gone on in the holding intracavity of body to need to heat the holding intracavity of body, in order to provide the temperature that holds the chamber, thereby realize the glass Dannaron. The muffle furnace is provided with a first heating device and an electric heating device, the first heating device stretches into the accommodating cavity, flame heating inside the accommodating cavity is realized through fuel gas provided by the air supply device, so that the temperature in the accommodating cavity is improved, the flame size of the first heating device, namely the strength of the heating temperature, is determined according to the air supply quantity of the air supply device, and the heating temperature of the first heating device can be adjusted through the air supply quantity of the air supply device. The electric heating device is arranged in the accommodating cavity, and provides electric quantity for the electric heating device through the power supply device so as to realize electric heating of the electric heating device in the accommodating cavity, and the heating temperature of the electric heating device reaches the strength and is determined according to the electric quantity provided by the power supply device, so that the heating temperature of the electric heating device can be adjusted according to the power supply quantity of the power supply device. According to the muffle furnace provided by the utility model, through the arrangement of the first heating device and the electric heating device, the heating temperatures of the first heating device and the electric heating device can be timely adjusted through the air supply device and the power supply device, so that the temperature control capability of the temperature in the accommodating cavity is enhanced, the heating temperature can be timely adjusted, the temperature field in the furnace is uniform, and the production requirements of the medium-high boron glass pull tube with high molding viscosity are met.
Thus, various embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concepts of the present disclosure, some details known in the art are not described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the disclosure. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.

Claims (10)

1. A muffle furnace, comprising:
the glass tube comprises a body (11), wherein the body (11) is provided with a containing cavity, and a glass Danand tube is arranged in the containing cavity;
a first heating device (12), wherein the first heating device (12) stretches into the accommodating cavity and is used for providing flame heating for the accommodating cavity;
a gas supply device (13), the gas supply device (13) being connected to the first heating device (12) for supplying gas to the first heating device (12) and controlling the amount of gas supplied to the first heating device (12);
an electric heating device (14), the electric heating device (14) being arranged in the accommodating cavity for providing electric heating for the accommodating cavity;
and the power supply device (15) is connected with the electric heating device (14) and is used for supplying power to the electric heating device (14) and controlling the supplied electric quantity to the electric heating device (14).
2. The muffle of claim 1, wherein,
the glass solar cell is characterized in that a partition plate (16) is arranged in the accommodating cavity to divide the accommodating cavity into a first cavity (113) and a second cavity (114), a glass Dannar tube is arranged in the first cavity (113), a first heating device (12) stretches into the first cavity (113) and is used for providing flame heating for the first cavity (113), and an electric heating device (14) is arranged in the second cavity (114) and is used for providing radiant heating for the second cavity (114).
3. A muffle as claimed in claim 2, wherein,
the separation plate (16) is a heat conducting plate.
4. The muffle of claim 2, further comprising:
at least two temperature detection devices (17), wherein the at least two temperature detection devices (17) respectively extend into the first cavity (113) and the second cavity (114) to detect first temperature and second temperature in the first cavity (113) and the second cavity (114);
the controller (18) is connected with at least two temperature detection devices (17) and is used for receiving the first temperature and the second temperature, the controller (18) is also connected with the air supply device (13) and the power supply device (15) and is used for controlling the air supply quantity of the air supply device (13) and the power supply quantity of the power supply device (15) according to the first temperature and the second temperature.
5. The muffle of claim 4, further comprising:
the pressure detection device (19), pressure detection device (19) stretch into in the first cavity (113), be used for detecting first pressure in the first cavity (113), pressure detection device (19) with controller (18) are connected, in order to with first pressure send to controller (18), controller (18) is according to first pressure send control signal.
6. The muffle of claim 5, further comprising:
the pressure adjusting device (20) is arranged on the body (11) and is communicated with the first cavity (113), the pressure adjusting device is further connected with the controller (18), and the pressure adjusting device (20) controls the pressure in the first cavity (113) according to the signal of the controller (18).
7. The muffle of claim 6, wherein,
the novel air conditioner is characterized in that a first air outlet (111) and a second air outlet (112) are formed in the body (11), the first air outlet (111) is connected with the first cavity (113), the second air outlet (112) is communicated with the second cavity (114), the first air outlet (111) is communicated with the pressure adjusting device (20), and the pressure adjusting device (20) is used for adjusting the opening degree of the first air outlet (111).
8. A muffle as claimed in claim 2, wherein,
the second cavity (114) is provided with a plurality of mutually independent subchambers (1141), and the electric heating device (14) is arranged in each subchamber (1141).
9. A muffle as claimed in claim 2, wherein,
the first heating device (12) comprises a burner block (121) and a burning gun (122), one end of the burner block (121) is fixedly connected with the body (11), the other end of the burner block is fixedly connected with the partition plate (16), a first accommodating hole matched with the burning gun (122) is formed in one end of the burner block (121) towards the partition plate (16), the partition plate (16) is provided with a second accommodating hole corresponding to the first accommodating hole, the burning gun (122) penetrates through the first accommodating hole and the second accommodating hole in sequence and stretches into the first cavity (113), and the burning gun (122) is connected with the air supply device (13) so as to receive air supply of the air supply device (13) to send flame to the first cavity (113).
10. The muffle of claim 8, wherein,
the number of the first heating devices (12) is multiple, and the first heating devices (12) are symmetrically arranged on the body (11);
the number of the electric heating devices (14) is also plural, and the electric heating devices (14) are symmetrically arranged on the body (11).
CN202320840402.7U 2023-04-14 2023-04-14 Muffle furnace Active CN220034311U (en)

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CN202320840402.7U CN220034311U (en) 2023-04-14 2023-04-14 Muffle furnace

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