Glass-liquid delivery apparatus and temperature control method thereof

Abstract

This invention provides a glass melt conveying device and its temperature control method, comprising an inner wall, an outer wall, and a cavity disposed between the inner and outer walls; both the inner and outer walls are made of refractory materials; the surface of the inner wall is provided with an anti-erosion layer; multiple inner wall temperature detectors are uniformly arranged in the inner wall; the outer sides of the two walls of the cavity are respectively attached to the inner and outer walls; multiple supports are uniformly arranged in the cavity; the two ends of the supports are respectively fixed to the inner sides of the two walls of the cavity. This invention can achieve a heat preservation effect on the bottom and sides of the glass melt through the anti-erosion layer, preventing related defects caused by temperature differences. At the same time, using non-precious metals such as molybdenum as the anti-erosion layer to prevent the glass melt from eroding greatly reduces construction costs; for platinum tube-type glass melt conveying devices, molybdenum electrode heating can be used instead of platinum heating in the high-temperature section, eliminating the situation where the entire channel is electrified, thereby improving production safety.

Description

Technical Field

[0001] This invention belongs to the field of glass manufacturing technology, specifically relating to a glass melt conveying device and its temperature control method. Background Technology

[0002] The manufacturing process of glass products is as follows: raw materials are melted into high-temperature glass in a high-temperature furnace, the glass is conveyed into a forming device, and the glass becomes a glass plate in the forming device. The glass plate is then annealed and cut to optimize its shape.

[0003] Currently, the main types of glass melt channels in the aforementioned conveying devices are refractory brick channels and platinum channels.

[0004] When a refractory brick channel structure is used in the conveying device during production, the high-temperature molten glass continuously washes over the bricks, causing the components of the refractory material to melt into the molten glass, forming glass defects and affecting glass quality. Secondly, there are no heating methods at the bottom and sides of the brick channel, and the only way to prevent excessive heat dissipation is to thicken the insulation brick layer. Therefore, a temperature difference will form in the vertical direction of the glass flow direction, and a temperature difference will form at the edges and middle of the two sides in the horizontal direction. The temperature difference will cause defects such as crystallization, stratification, and glass fiber striations in the molten glass, affecting glass quality.

[0005] When a platinum channel structure is used in the production of a conveying device, the flow of current in the platinum anti-erosion layer will generate a thermal effect. However, as a conductor, platinum is prone to oxidation and consumption at high temperatures. After oxidation, the current-carrying cross-sectional area of ​​platinum will be reduced. The reduction in cross-sectional area will cause the platinum conductor to heat up more severely, further aggravating the oxidation process. This will lead to a decrease in the mechanical strength of platinum and the generation of platinum particle defects, which will damage the balanced heating and heat preservation effect of the channel and shorten the production life of the platinum channel. Meanwhile, the platinum channel employs zoned temperature control. The platinum layer requires electrical heating to maintain the temperature of the molten glass in the insulation and subsequent cooling sections. Since the platinum layer in the insulation and cooling sections typically doesn't need to generate heat higher than the molten glass to heat it, to save costs, the platinum layer thickness in these sections is usually thinner than in the heating section. This results in relatively weaker mechanical strength and resistance to oxidation at high temperatures. Repeated production anomalies can lead to platinum layer erosion, platinum particle defects, and even major safety accidents such as molten glass leakage. Increasing the platinum thickness in the insulation and cooling sections would significantly increase construction costs, which is detrimental to the company's development. Summary of the Invention

[0006] This invention provides a glass melt conveying device and its temperature control method, which can achieve heat preservation of the bottom and sides of the glass melt through an anti-erosion layer, preventing related defects caused by temperature differences. At the same time, using non-precious metals such as molybdenum as the anti-erosion layer to prevent the glass melt from eroding greatly reduces construction costs. In addition, for platinum tube-type glass melt conveying devices, molybdenum electrode heating can be used instead of platinum heating in the high-temperature section, and silicon carbide rods and hot air heating are used in the heat preservation and cooling sections, eliminating the situation where the entire channel is electrified, improving the safety of personnel and the stability of production during operation, thereby overcoming the problems existing in the prior art.

[0007] The technical solution of the present invention to solve the above-mentioned technical problems is as follows:

[0008] In a first aspect, the present invention provides a glass melt conveying device, comprising an inner wall, an outer wall, and a cavity disposed between the inner wall and the outer wall;

[0009] The cavity is equipped with a heating device to provide heat preservation for the cavity;

[0010] Both the inner and outer walls are made of refractory materials; the surface of the inner wall is provided with an anti-erosion layer;

[0011] The cavity is provided with multiple supports; the two ends of the supports are respectively fixed to the inner sides of the two walls of the cavity.

[0012] In some embodiments, a plurality of inner wall temperature detectors are uniformly arranged in the inner wall.

[0013] In some embodiments, the erosion-resistant layer is formed of at least two metals selected from platinum, rhodium, tungsten, iridium, and molybdenum, and has a thickness > 0.5 mm, or is a molybdenum plate with a thickness > 10 mm.

[0014] In some embodiments, the outer sides of the two walls of the cavity are respectively attached to the inner wall and the outer wall; the cavity is continuously arranged around the inner wall.

[0015] In some embodiments, the support body has a cooling medium circuit connected to a cold source inside.

[0016] In some embodiments, a cooling medium system is also included, the system comprising cooling medium piping, an inlet piping, and an outlet piping;

[0017] The input pipeline and the output pipeline are respectively connected to the cooling medium circuit through the cooling medium inlet pipe and the cooling medium outlet pipe;

[0018] The support body is provided with temperature regulating vents; the cold source is gas.

[0019] In some embodiments, the input pipeline is equipped with a cooling medium temperature detector for checking the temperature of the cooling medium; the output pipeline is equipped with a solenoid valve for adjusting the input amount of the cooling medium.

[0020] In some embodiments, the cross-section of the glass melt channel enclosed by the inner wall is rectangular.

[0021] In some embodiments, a heating device is also included; the heating device is disposed inside the cavity and is used to provide a heat preservation effect to the cavity.

[0022] In some embodiments, the ratio of the thickness of the inner wall to the width of the cavity is 0.5 to 1.

[0023] In some embodiments, the heating device is a solid heating element;

[0024] The solid heating element is inserted into the cavity through several heating openings at the top of the cavity.

[0025] In some embodiments, the solid heating element is one of silicon carbide rods, molybdenum rods, and resistance heating wires.

[0026] The heating device is also provided with a heating cover; the heating cover can cooperate with the heating opening and seal the cavity.

[0027] Secondly, the present invention provides a temperature control method, comprising the following steps:

[0028] S1: Obtain the inner wall temperature detection value of each inner wall temperature detector, and determine whether there is a difference between the inner wall temperature detection value and the temperature set value of the inner wall position corresponding to the inner wall temperature detector. If there is a difference, proceed to S2.

[0029] S2: Obtain the cooling medium temperature detected by the cooling medium temperature detector, determine whether the cooling medium temperature has reached the preset temperature value of the support body. If it has not reached the preset temperature value, adjust the opening of the solenoid valve; if it has reached the preset temperature value, proceed to S3.

[0030] S3: Adjust the heating device to bring the temperature of the inner wall position corresponding to the inner wall temperature detector to the set temperature value.

[0031] Thirdly, the present invention provides a computer including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the temperature control method described above.

[0032] Fourthly, the present invention provides a readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the temperature control method as described above.

[0033] The beneficial effects of this application are:

[0034] The glass melt conveying device and its temperature control method provided in this application have the following beneficial effects:

[0035] 1. The anti-scouring layer on the inner wall surface of this conveying device can effectively prevent impurities and defects caused by long-term scouring of bricks by high-temperature molten glass; this conveying device can achieve heat preservation effect on the bottom and sides of the molten glass, preventing related defects caused by temperature difference.

[0036] 2. In the heat preservation and cooling sections of this conveying device, instead of using precious metals such as platinum, non-precious metals such as molybdenum can be used as the anti-erosion layer to prevent the glass melt from eroding, which greatly reduces construction costs. At the same time, the thickness of the anti-erosion layer made of non-precious metals can be greatly increased, improving the mechanical strength and anti-oxidation and anti-erosion performance of the anti-erosion layer under high-temperature glass melt, suppressing the generation of defects, and improving production stability and output. Furthermore, the anti-erosion layer is no longer used for electric heating, so the connection and fixing methods between the anti-erosion layer and the refractory material are more flexible and diverse, and the safety and stability of the anti-erosion layer are greatly improved.

[0037] 3. In the high-temperature section, this conveying device can use molybdenum electrode heating instead of platinum heating, and silicon carbide rods and hot air heating can be used in the insulation and cooling sections. Alternatively, an insulation layer can be installed between the platinum tube and the anti-erosion layer to prevent the entire channel from becoming electrified, thereby improving the safety of personnel and the stability of production. Attached Figure Description

[0038] Figure 1 This is a sectional view of the conveying device in this application from the main viewing direction;

[0039] Figure 2 This is a sectional view of the conveying device in this application from the side.

[0040] Figure 3 This is a schematic diagram showing the connection between the cooling medium pipeline and the support structure;

[0041] Figure 4 This is a schematic diagram of the heating device;

[0042] Figure 5 This is a schematic diagram of a platinum tube channel structure.

[0043] Explanation of reference numerals in the attached figures:

[0044] Inner wall - 1; Anti-erosion layer - 2; Outer wall - 3; Cavity - 4; Support body - 5; Temperature regulating vent - 51; Cooling medium inlet pipe - 52; Cooling medium outlet pipe - 53; Cooling medium temperature detector - 54; Solenoid valve - 55; Cooling medium circuit - 56; Cooling medium pipeline - 6; Input pipeline - 61; Output pipeline - 62; Heating device - 7; Heating cover - 71; Platinum tube - 8. Detailed Implementation

[0045] The principles and features of the present invention are described below with reference to the accompanying drawings. The examples given are only for explaining the present invention and are not intended to limit the scope of the present invention.

[0046] To better understand the above-mentioned objectives, features, and advantages of this application, the application will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the described embodiments are only some, not all, of the embodiments of this application. The specific embodiments described herein are merely for explaining this application and are not intended to limit it. All other embodiments obtained by those skilled in the art based on the described embodiments of this application are within the scope of protection of this application.

[0047] It should be noted that in this article, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0048] A glass melt conveying device, combined with Figure 1 as well as Figure 2 It includes an inner wall 1, an outer wall 3, and a cavity 4 disposed between the inner wall 1 and the outer wall 3;

[0049] The cavity 4 is equipped with a heating device 7, which is used to provide heat preservation for the cavity 4;

[0050] Both the inner wall 1 and the outer wall 3 are made of refractory material; the surface of the inner wall 1 is provided with an anti-erosion layer 2;

[0051] The cavity 4 is provided with a plurality of supports 5; the two ends of the supports 5 are respectively fixed to the inner sides of the two walls of the cavity 4.

[0052] In some embodiments, a plurality of inner wall temperature detectors are uniformly arranged in the inner wall 1.

[0053] In some embodiments, the erosion-resistant layer is formed of at least two metals selected from platinum, rhodium, tungsten, iridium, and molybdenum, and has a thickness > 0.5 mm, or is a molybdenum plate with a thickness > 10 mm.

[0054] In some embodiments, the outer sides of the two walls of the cavity 4 are respectively attached to the inner wall 1 and the outer wall 3; the cavity 4 is continuously arranged around the inner wall 1.

[0055] Specifically, compared to existing glass melt conveying devices, this solution features an anti-erosion layer 2 on the inner wall 1 surface, effectively preventing impurities and defects caused by long-term erosion of the brick material by the high-temperature glass melt. This conveying device also provides insulation for the bottom and sides of the glass melt, preventing defects caused by temperature differences. Furthermore, a cavity 4 is provided between the inner wall 1 and the outer wall 3. This cavity 4 is a hollow structure, continuously arranged around the inner wall 1, with intervals between the inner wall 1 and the outer wall 3. A heating device 7 is installed within the cavity 4, capable of circumferentially heating the glass melt, providing a wide and uniform heating range. This heats and insulates the inner wall 1 and / or the outer wall 3, preventing the glass melt temperature from escaping. The cavity 4 is installed on all opposing surfaces of the inner wall 1 in contact with the glass melt, effectively preventing heat loss and achieving insulation for the bottom and sides of the glass melt, preventing defects caused by temperature differences. Alternatively, it can be installed locally between the inner and outer walls depending on heating requirements and processing difficulty. Multiple supports 5 are evenly arranged within the cavity 4. The two ends of each support 5 are fixed to the inner sides of the two walls of the cavity 4, providing support for the inner walls. The cavity 4 is formed of high-temperature resistant alloys such as Inconel 625, or one or more metals selected from platinum, rhodium, tungsten, iridium, and molybdenum. The cavity 4 is installed on all contact surfaces with the molten glass, or at the top of the conveying device where it does not contact the molten glass, preventing heat loss. Its main structural function is to fix the walls in contact with the molten glass, providing some support to the walls.

[0056] It is worth mentioning that both the inner wall 1 and the outer wall 3 of this device are made of refractory materials, including at least two materials selected from corundum bricks, zirconium corundum bricks, and high zirconium bricks. The erosion protection layer 2 is formed of at least two metals selected from platinum, rhodium, tungsten, iridium, and molybdenum, and the thickness of the erosion protection layer 2 is >0.5mm. Its function is to prevent the refractory material from being eroded by the high-temperature molten glass during the flow process. At the same time, the erosion protection layer does not act as a conductor to generate heat.

[0057] In addition, this conveying device also includes a heating device 7, which is disposed inside the cavity 4 to provide heat preservation for the cavity 4. The heating device 7 can be a solid heating device such as a silicon carbide rod, molybdenum rod, or resistance heating wire, or one or more heating methods such as high-temperature hot gas or laser thermal radiation, requiring a heating capacity of 800-1320℃. Furthermore, in this embodiment, the heating device 7 can utilize high-temperature flue gas generated by a kiln, which is typically above 1350℃, utilizing the waste heat of the high-temperature flue gas to achieve energy savings and cost reduction.

[0058] In some embodiments, the heating device 7 is a solid heating element;

[0059] The solid heating element is inserted into the cavity 4 through several heating openings at the top of the cavity 4;

[0060] In some embodiments, the solid heating element is one of silicon carbide rod, molybdenum rod, and resistance heating wire;

[0061] The heating device 7 is also provided with a heating cover 71; the heating cover 71 can cooperate with the heating opening and seal the cavity 4.

[0062] Specifically, in this embodiment, the heating device 7 uses a solid heating element made of silicon carbide rods, molybdenum rods, or resistance heating wires. The rod-shaped heating part 72 of the heating device 7 is inserted into the cavity 4 through several heating openings at the top of the cavity 4. The heating device 7 also has a heating cover 71; the heating cover 71 can cooperate with the heating openings and seal the cavity 4. In addition, when using a solid heating element, a certain amount of inert gas, such as N2 or He, can be filled into the cavity 4 to prevent oxidation of the solid heating element. The gas can be introduced through the temperature-regulating vent of the support. It is worth mentioning that, in this embodiment, a metal protective cover can also be added to the solid heating element to prevent accidental contact with the cavity and leakage. However, given the current mature technology of solid heating elements, a metal protective cover is not strictly necessary. To prevent accidents, a refractory fixing ring can be added to the heating element, with the ring diameter less than or equal to the inner thickness of the cavity.

[0063] In some embodiments, according to Figure 3 As shown, the support body 5 has a cooling medium circuit 56 inside.

[0064] In some embodiments, a cooling medium system is also included, the cooling medium system including a cooling medium pipeline 6, an input pipeline 61 and an output pipeline 62;

[0065] The input pipe 61 and the output pipe 62 are connected to the cooling medium circuit 56 through the cooling medium inlet pipe 52 and the cooling medium outlet pipe 53, respectively.

[0066] The support 5 is provided with a temperature regulating vent 51; the cold source is gas.

[0067] In some embodiments, the input pipe 61 is provided with a cooling medium temperature detector 54 for checking the temperature of the cooling medium;

[0068] The output pipeline is equipped with a solenoid valve 55, which is used to adjust the input amount of cooling medium.

[0069] Specifically, the support body 5 in this design not only supports the inner wall of the cavity 4, but also houses a cooling medium circuit 56. This circuit connects the input pipe 61 and output pipe 62 of the cooling medium pipeline 6, allowing cooling medium to be introduced into the cavity 4 through the cooling medium pipeline 6, thereby controlling the internal temperature of the cavity 4. Furthermore, the input pipe 61 is equipped with a cooling medium temperature detector 54 to check the temperature of the cooling medium, and the output pipe is equipped with a solenoid valve 55 to adjust the input amount of cooling medium. It is worth noting that the support body 5 is also made of high-temperature alloys such as Inconel 625, or one or more metals such as platinum, rhodium, tungsten, iridium, and molybdenum. The internal cooling medium circuit 56 can be circulated with cooling media such as circulating water or cooling air. In addition, when using a solid-state heating element, a certain amount of inert gas, such as N2 or He, can be introduced into the cavity 4 to prevent oxidation of the solid-state heating element. The gas can be introduced through the temperature-regulating vent 51 of the support body 5.

[0070] In some embodiments, the cross-section of the glass melt channel enclosed by the inner wall 1 is rectangular.

[0071] Specifically, in this embodiment, the cross-section of the glass melt channel enclosed by the inner wall 1 is rectangular, as shown below. Figure 1 As shown.

[0072] In some embodiments, the ratio of the thickness of the inner wall 1 to the width of the cavity 4 is 0.5 to 1.

[0073] Specifically, in order to ensure that the heating device 7 can effectively conduct heat, the thickness of the inner wall 1 is limited in this embodiment. When the ratio of the thickness of the inner wall 1 to the width of the cavity 4 is 0.5 to 1, a good heat conduction effect can be achieved.

[0074] In some embodiments, such as Figure 5 As shown, if the cross-section of the glass liquid channel enclosed by the inner wall 1 is circular; the surface of the anti-erosion layer 2 is also provided with a platinum tube 8.

[0075] Specifically, Figure 5 The image shows a platinum-lined molten glass channel. This type of molten glass channel has a circular cross-section, and the surface of the anti-erosion layer 2 is also provided with a platinum tube 8, meaning that the molten glass flows in the platinum tube 8.

[0076] In some embodiments, the platinum tube 8 is capable of generating heat under the action of an electric current; an insulating layer is provided between the platinum tube 8 and the anti-erosion layer 2.

[0077] Specifically, in this embodiment, heat is generated by energizing the platinum tube 8, thereby maintaining the temperature of the molten glass inside the platinum tube 8. Since the platinum tube 8 uses a high-current, low-voltage conductivity mode, an insulating layer can be provided between the platinum tube 8 and the anti-erosion layer 2 to prevent the anti-erosion layer 2 from becoming conductive.

[0078] In some embodiments, the heating device 7 is disposed in the platinum tube 8 for heating the interior of the platinum tube 8.

[0079] Specifically, unlike the previous implementation, in order to prevent abnormal insulation measures from causing the supporting steel structure and other metal connectors to become electrified, thus posing a significant risk of electric shock during actual production operations, especially when personnel handle abnormal situations, this embodiment uses a heating device 7 for heating. The heating device 7 is located in the platinum tube 8, and molybdenum electrode heating can be used instead of platinum heating, thereby eliminating the need for an insulation layer and preventing the entire channel from becoming electrified, thus improving the safety of personnel and the stability of production operations.

[0080] Based on any of the above-mentioned glass melt conveying devices, a second aspect of the present invention also provides a temperature control method for the glass melt conveying device, comprising the following steps:

[0081] S1: Obtain the inner wall temperature detection value of each inner wall temperature detector, and determine whether there is a difference between the inner wall temperature detection value and the temperature set value of the inner wall position 1 corresponding to the inner wall temperature detector. If there is a difference, proceed to S2.

[0082] S2: Obtain the cooling medium temperature detected by the cooling medium temperature detector 54, and determine whether the cooling medium temperature has reached the preset temperature value of the support. If it has not reached the preset temperature value, adjust the opening of the solenoid valve 55; if it has reached the preset temperature value, proceed to S3.

[0083] S3: Adjust the heating device 7 so that the temperature at the inner wall 1 position corresponding to the inner wall temperature detector reaches the set temperature value.

[0084] Specifically, this device can automatically control the temperature of each section of the conveying device through a DCS system. First, the required temperature for each section is set in the control unit (i.e., the temperature setpoint corresponding to the inner wall position of the inner wall temperature detector). The inner wall temperature detection value of each inner wall temperature detector is then acquired and transmitted to the DCS system. The DCS system then compares the temperature setpoint and the inner wall temperature detection value. At this time, the DCS system acquires the cooling medium temperature detected by the cooling medium temperature detector and determines whether the cooling medium temperature has reached the preset temperature value of the support body. If not, the opening of the solenoid valve is adjusted. The preset temperature value of the support body can be set to 80-90% of the temperature value that softens the support body 5. If the cooling medium temperature has reached the preset temperature value of the support body, the temperature difference control or adjustment on the cross-section is achieved by adjusting the heating device.

[0085] A third aspect of the present invention also provides a computer, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the above-described temperature control method.

[0086] A fourth aspect of the present invention also provides a readable storage medium having a computer program stored thereon, characterized in that the program, when executed by a processor, implements the temperature control method described above.

[0087] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the above-described division of functional units and modules is merely an example. In practical applications, the above functions can be assigned to different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above. The functional units and modules in the embodiments can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit. Furthermore, the specific names of the functional units and modules are only for easy differentiation and are not intended to limit the scope of protection of this application. The specific working process of the units and modules in the above system can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0088] Those skilled in the art will understand that although some embodiments described herein include certain features included in other embodiments but not others, combinations of features from different embodiments are meant to be within the scope of this application and form different embodiments.

[0089] Those skilled in the art will understand that the descriptions of the various embodiments have different focuses, and for parts not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0090] Although embodiments of this application have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of this application. All such modifications and variations fall within the scope defined by the appended claims. The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this invention, and these modifications or substitutions should all be covered within the scope of protection of this invention. Therefore, the scope of protection of this invention should be determined by the scope of the claims.

[0091] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and these modifications or substitutions should all be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A glass-liquid delivery apparatus, characterized by, Includes an inner wall, an outer wall, and a cavity disposed between the inner wall and the outer wall; The cavity is equipped with a heating device to provide heat preservation for the cavity; Both the inner and outer walls are made of refractory materials; the surface of the inner wall is provided with an anti-erosion layer; The cavity is provided with multiple supports; the two ends of the supports are respectively fixed to the inner sides of the two walls of the cavity. The support body is equipped with a cooling medium circuit connected to a cold source. It also includes a cooling medium system, which includes cooling medium pipelines, inlet pipelines and outlet pipelines; The input pipeline and the output pipeline are respectively connected to the cooling medium circuit through the cooling medium inlet pipe and the cooling medium outlet pipe; The support body is provided with temperature regulating vents; the cold source is gas.

2. A glass delivery apparatus as in claim 1, wherein, Multiple inner wall temperature detectors are uniformly arranged in the inner wall.

3. The glass melt conveying device according to claim 1, characterized in that, The erosion-resistant layer is formed of at least two metals selected from platinum, rhodium, tungsten, iridium, and molybdenum, and has a thickness greater than 0.5 mm, or is a molybdenum plate with a thickness greater than 10 mm.

4. A glass delivery apparatus as in claim 1, wherein, The outer sides of the two walls of the cavity are respectively attached to the inner wall and the outer wall; the cavity is continuously arranged around the inner wall.

5. The glass delivery apparatus of claim 1, wherein, The input pipeline is equipped with a cooling medium temperature detector to check the temperature of the cooling medium; the output pipeline is equipped with a solenoid valve to adjust the input amount of the cooling medium.

6. A glass delivery apparatus as in claim 1, wherein, The cross-section of the glass melt channel enclosed by the inner wall is rectangular.

7. The glass delivery apparatus of claim 1, wherein, The ratio of the thickness of the inner wall to the width of the cavity is 0.5 to 1.

8. A glass delivery apparatus as in claim 7, wherein, The heating device is a solid heating element; The solid heating element is inserted into the cavity through several heating openings at the top of the cavity.

9. A glass delivery apparatus as in claim 8, wherein, The solid heating element is one of silicon carbide rod, molybdenum rod, or resistance heating wire.

10. A glass delivery apparatus as in claim 8, wherein, The heating device is also provided with a heating cover; the heating cover can cooperate with the heating opening and seal the cavity.

11. A temperature control method for a glass melt conveying device according to any one of claims 1-10, characterized in that, Multiple inner wall temperature detectors are evenly arranged in the inner wall; a cooling medium temperature detector is provided in the input pipeline to check the temperature of the cooling medium; a solenoid valve is provided in the output pipeline to adjust the input amount of the cooling medium. Includes the following steps: S1: Obtain the inner wall temperature detection value of each inner wall temperature detector, and determine whether there is a difference between the inner wall temperature detection value and the temperature set value of the inner wall position corresponding to the inner wall temperature detector. If there is a difference, proceed to S2. S2: Obtain the cooling medium temperature detected by the cooling medium temperature detector, determine whether the cooling medium temperature has reached the preset temperature value of the support body. If it has not reached the preset temperature value, adjust the opening of the solenoid valve; if it has reached the preset temperature value, proceed to S3. S3: Adjust the heating device to bring the temperature of the inner wall position corresponding to the inner wall temperature detector to the set temperature value.

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