CN217052021U

CN217052021U - Platinum channel heating device

Info

Publication number: CN217052021U
Application number: CN202221186378.1U
Authority: CN
Inventors: 穆绪权; 郝均鹏; 张云晓; 王光祥; 杨振邦
Original assignee: Qingdao Fusion Photoelectric Technology Co Ltd
Current assignee: Qingdao Fusion Photoelectric Technology Co Ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-07-26
Anticipated expiration: 2032-05-18

Abstract

The utility model relates to a platinum passageway heating device belongs to the supplementary field of glass production, including square copper pipe, the even coiling of square copper pipe is provided with the terminal at square copper pipe both ends on the platinum passageway. The utility model has the advantages of reasonable design for the response speed and the efficiency of heating have been guaranteed when workman's safety, have improved the life of device, simple structure, and the cost is lower, the extensive duplication of being convenient for.

Description

Platinum channel heating device

Technical Field

The utility model relates to a platinum passageway heating device belongs to glass production auxiliary field.

Background

The carrier plate glass is a product with extremely strict requirements, and has no defects of stripes, bubbles and the like, so that strict clarification and homogenization treatment are required in the production process, the processes are carried out in a platinum channel, and the platinum channel needs to be heated in the process, so that the glass liquid reaches a certain temperature, and the process requirements can be met. The existing platinum channel heating device has the disadvantages of slow response speed, slow heating efficiency and short service life.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the platinum channel heating device has the advantages that the response speed is increased, the heating efficiency is higher than that of the original device, and the whole service life of the device is prolonged.

Platinum passageway heating device, including square copper pipe, the even coiling of square copper pipe is provided with the terminal at square copper pipe both ends on the platinum passageway.

The device uses a hollow square copper tube to replace the original common coil. A16 mm by 14mm by 2mm copper tube is used as a section bar and is wound on a platinum channel, so that the clarification and homogenization processes are ensured to be carried out smoothly. For example, to achieve 300KW per end, a hollow square copper tube may be wound in the same direction for about 40 turns. Meanwhile, the size of the platinum channel can be increased or decreased according to the actual size of the platinum channel, and the multi-section heating coil can be used simultaneously. Controllable alternating current is connected to terminals at two ends of the square coil to generate an alternating magnetic field, an eddy current is generated on the platinum channel, and the eddy current generates heat through the platinum channel to heat the platinum channel. The device heats the platinum channel by using a heating mode of induction current, and indirectly heats the glass melt in the platinum channel.

Preferably, an insulating layer is arranged between the platinum channel and the square copper pipe.

In the device use, owing to utilize square copper pipe circular telegram to produce alternating magnetic field, heat the platinum passageway, but square copper pipe does not have the needs of heating, and square copper pipe heating still can shorten the whole life of device, so be provided with insulating heat preservation between platinum passageway and square copper pipe, prevent to produce heat-conduction between square copper pipe and the platinum passageway, the square copper pipe temperature that leads to risees.

Preferably, the square copper pipe is provided with a water outlet and a water inlet, the square copper pipe and the water inlet are provided with red copper joints, and the red copper joints are sealed in a taper manner and locked by threads.

The red copper joint adopts taper sealing and is locked by threads, so that the effect of sealing cooling water is achieved. The pipeline is connected into a circulating water system, and a water pump pressurizes the circulating water system by more than 0.3 MPa. The cold water is injected into the hollow square copper pipe, the temperature of the copper pipe in use can be reduced, the outside of the square pipe can be covered with heat insulation materials such as high-temperature cement, the cooling effect is guaranteed, and the service life of the device is prolonged.

Preferably, the outer side of the square copper pipe is coated with insulating paint, and a phenolic ceramic filling coating is sprayed in the hollow part of the square copper pipe.

The phenolic ceramic filling coating can be sprayed in the hollow of the square coil, is suitable for water environment erosion, and can resist strong abrasion caused by running water.

Preferably, the terminal is connected with a water-cooling cable, the water-cooling cable is connected with an output transformer, and the output transformer is connected with the IGBT module.

In terms of power supply, an IGBT module system is adopted to control the power and frequency of the whole coil, and the IGBT, also called an insulated gate bipolar transistor, is a composite fully-controlled voltage-driven power semiconductor device consisting of a BJT (bipolar junction transistor) and an MOS (insulated gate field effect transistor), and has the advantages of both high input impedance of an MOSFET and low conduction voltage drop of a GTR. The IGBT module converts a power frequency 380V power supply into a direct current voltage of about 550V through the three-phase rectifier module, converts the direct current power supply into an alternating current power supply with controllable frequency and power through the IGBT module, and then is connected to a square copper pipe coil joint through a water-cooled cable through an output transformer, a capacitor and other adjusting devices to provide a stable heating power supply for a platinum channel.

Compared with the prior art, the utility model the beneficial effect who has is:

the utility model has the advantages of reasonable design for the response speed and the efficiency of heating have been guaranteed when workman's safety, have improved the life of device, simple structure, and the cost is lower, the extensive duplication of being convenient for.

Drawings

FIG. 1 is a schematic view of a platinum channel heater;

FIG. 2 is a cross-section of a square copper tube;

FIG. 3 is a power supply sequence diagram of the platinum channel heating apparatus.

In the figure: 1. a square copper tube; 2. a terminal; 3. a water outlet; 4. a water inlet; 5. a power frequency power supply; 6. a rectifying device; 7. an IGBT module; 8. a coaxial cable; 9. an output transformer; 10. a water-cooled cable; 11. a red copper joint.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

as shown in figure 1 and figure 2, platinum passageway heating device, including square copper pipe 1, the even coiling of square copper pipe 1 is on the platinum passageway, and 1 both ends of square copper pipe are provided with terminal 2.

In this embodiment: an insulating layer is arranged between the platinum channel and the square copper pipe 1. The square copper pipe 1 is provided with a water outlet 3 and a water inlet, and the copper pipe and the water inlet are provided with red copper joints which are sealed by adopting taper and locked by threads. The outer side of the square copper pipe 1 is coated with insulating paint, and a phenolic ceramic filling coating is sprayed in the hollow part of the square copper pipe 1. And the terminal 2 is connected with a water-cooled cable, the water-cooled cable is connected with an output transformer 9, and the output transformer 9 is connected with the IGBT module 7.

The device uses a hollow square copper tube 1 to replace the original common coil. A16 mm by 14mm by 2mm red copper tube is used as a section bar and is wound on a platinum channel, so that the clarification and homogenization processes are smoothly carried out. For example, to achieve 300KW per end, the hollow square copper tube 1 may be wound in the same direction for about 40 turns. Meanwhile, the size of the platinum channel can be increased or decreased according to the actual size of the platinum channel, and the multi-section heating coil can be used simultaneously. After controllable alternating current is connected to the terminals 2 at the two ends of the square coil, an alternating magnetic field is generated, an eddy current is generated on the platinum channel, and the eddy current generates heat through the platinum channel to heat the platinum channel.

The device uses a heating mode of induction current to heat the platinum channel, and indirectly heats the glass melt in the platinum channel. In the device use, owing to utilize square copper pipe 1 circular telegram to produce alternating magnetic field, heat the platinum passageway, but square copper pipe 1 does not have the needs of heating, and square copper pipe 1 heating still can shorten the whole life of device, so be provided with insulating layer between platinum passageway and square copper pipe 1, prevent to produce heat-conduction between square copper pipe 1 and the platinum passageway, the square copper pipe 1 temperature that leads to risees. The red copper joint adopts taper sealing and is locked by threads, so that the effect of sealing cooling water is achieved. The pipeline is connected into a circulating water system, and a water pump pressurizes the circulating water system by more than 0.3 MPa. The cold water is injected into the hollow square copper pipe 1, the temperature of the copper pipe in use can be reduced, the outside of the square pipe can be covered with heat insulation materials such as high-temperature cement, the cooling effect is guaranteed, and the service life of the device is prolonged.

In the aspect of power supply, an IGBT module 7 system is adopted to control the power and frequency of the whole coil, a 380V power supply of power frequency is changed into a direct current voltage of about 550V through a three-phase rectification module, the direct current power supply is changed into an alternating current power supply with controllable frequency and power through the IGBT module 7, and then the alternating current power supply is connected to a coil joint of the square copper tube 1 through a water-cooled cable through an output transformer 9, a capacitor and other adjusting devices to provide a stable heating power supply for a platinum channel.

Claims

1. A platinum channel heating device is characterized in that: the device comprises a square copper tube (1), wherein the square copper tube (1) is uniformly wound on a platinum channel, and terminals (2) are arranged at two ends of the square copper tube (1).

2. The platinum channel heating device according to claim 1, wherein: an insulating layer is arranged between the platinum channel and the square copper pipe (1).

3. The platinum channel heating device of claim 2, wherein: the square copper pipe (1) is provided with a water outlet (3) and a water inlet (4), a red copper joint (11) is arranged on the square copper pipe and the water inlet, the red copper joint (11) is sealed by adopting taper and locked by using threads.

4. A platinum channel heating device according to claim 1 or 3, wherein: the outer side of the square copper pipe (1) is coated with insulating paint, and a phenolic ceramic filling coating is sprayed in the hollow interior of the square copper pipe (1).

5. The platinum channel heating device according to claim 1, wherein: and the terminal (2) is connected with a water-cooled cable (10), the water-cooled cable (10) is connected with an output transformer (9), and the output transformer (9) is connected with the IGBT module (7).