Mounting structure of lower furnace wire of toughening furnace

Abstract

A mounting structure for a lower furnace wire of a toughening furnace relates to the technical field of toughening furnaces and comprises a furnace wire threading pipe and a furnace wire which are arranged in a lower hearth, a plurality of lower supporting bricks are arranged at intervals along the length direction of the lower hearth, the lower supporting bricks are I-shaped, a plurality of arc-shaped grooves are uniformly formed in step surfaces on two sides of the lower part at intervals, and the arc-shaped grooves are communicated with the furnace wire threading pipe. Furnace wire threading pipes are arranged in the corresponding arc-shaped grooves between the left and right adjacent lower supporting bricks, the left and right adjacent furnace wire threading pipes are arranged in a staggered manner, furnace wires are wound on the outer parts of the furnace wire threading pipes, and furnace wire radiant panels are fixed on the upper top surfaces of the lower supporting bricks; through holes are formed between the upper grooves and the lower grooves in the upper top face and the lower bottom face of the lower supporting brick, supporting pieces are arranged in the through holes in a penetrating mode, the lower ends of the supporting pieces are fixed in the heat preservation cotton of the lower hearth, and the upper ends of the supporting pieces penetrate through the upper top face of the lower supporting brick to be fixed to the furnace wire radiant panel. The utility model has the advantages of simple and compact structure, improved thermal insulation performance and uniform heating.

Description

Technical Field

[0001] The utility model relates to the technical field of tempering furnaces, in particular to an installation structure for a furnace wire at the bottom of a tempering furnace. Background Art

[0002] As is known to all, the tempering furnace in the heating section of a tempered glass production line is one of the most important pieces of equipment. The tempering furnace heats the original glass sheet to soften the glass surface. The electric furnace wire is the main heating component, and the installation and arrangement of the furnace wire directly affects the quality and energy consumption of glass heating. The furnace wires in traditional tempering furnaces are all installed in a left-right correspondence, and uneven heating often occurs during the actual glass processing process. In addition, the supports of the original furnace wires are all made of stainless steel and welded to the frame. Due to the high temperature in the furnace, heat is transferred to the frame through the supports, which is not conducive to the insulation of the furnace body. Summary of the Invention

[0003] In order to overcome the deficiencies in the background technology, the utility model discloses an installation structure for the lower furnace wire of a tempering furnace.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0005] A mounting structure for the lower furnace wire of a tempering furnace comprises a furnace wire threading tube and furnace wire arranged in the lower furnace chamber, a plurality of lower supporting bricks are arranged at intervals along the length direction of the lower furnace chamber, the lower supporting bricks are all in the shape of an "I", a plurality of arc-shaped grooves are evenly spaced on the step surfaces on both sides of the lower portion, furnace wire threading tubes are provided in the corresponding arc-shaped grooves between the two adjacent lower supporting bricks on the left and right, the adjacent furnace wire threading tubes on the left and right are staggered, furnace wire is wound around the outside of the furnace wire threading tubes, furnace wire radiation plates are fixed on the upper top surfaces of the plurality of lower supporting bricks; upper grooves and lower grooves are respectively provided on the upper top surface and the lower bottom surface of the lower supporting brick, a through hole is provided between the upper groove and the lower groove, support members are passed through the through holes, the lower ends of the support members are fixed in the thermal insulation cotton of the lower furnace chamber, and the upper ends pass through the upper top surface of the lower supporting brick and are fixed to the furnace wire radiation plate.

[0006] The installation structure of the furnace wire in the lower part of the tempering furnace is provided with a T-shaped porcelain tube fixed in the lower furnace chamber at the lower part of both ends of the furnace wire threading tube, and a furnace wire lead-out rod is provided in the T-shaped porcelain tube. The upper end of the furnace wire lead-out rod is located in the T-shaped porcelain tube, and the two ends of the wound furnace wire are respectively arranged in the T-shaped porcelain tube and fixedly connected to the upper end of the furnace wire lead-out rod. The lower end of the furnace wire lead-out rod is located outside the lower furnace chamber and is connected to the external wires.

[0007] The installation structure of the lower furnace wire of the tempering furnace has porcelain sleeves fixed on both sides of the furnace wire threading tube, one end surface of the porcelain sleeve contacts the outside of the lower support brick, and the other end surface of the porcelain sleeve contacts the end surface of the wound furnace wire.

[0008] The installation structure of the lower furnace wire of the tempering furnace is provided with pin holes on both sides of each furnace wire threading tube and close to the end of the wound furnace wire, and porcelain pins are fixed in the pin holes.

[0009] The installation structure of the furnace wire at the bottom of the tempering furnace, the furnace wire radiation plate adopts a perforated radiation plate, and a plurality of radiation plate handles are provided on the furnace wire radiation plate.

[0010] The installation structure of the lower furnace wire of the tempering furnace is provided with a through hole in the middle of the furnace wire threading tube, and a T-shaped ceramic tube for an electric thermocouple is fixed in the through hole. The upper end of the T-shaped ceramic tube for the electric thermocouple is arranged in the space between the furnace wire radiation plate and the furnace wire threading tube, and the lower end is located above the thermal insulation cotton; a thermocouple guide tube is fixed in the T-shaped ceramic tube for the electric thermocouple, the upper end of the thermocouple guide tube passes through the through hole on the furnace wire radiation plate and is arranged in the lower furnace chamber, the lower end of the thermocouple guide tube passes through the thermal insulation cotton and is arranged outside the lower furnace chamber, and a thermocouple is arranged in the thermocouple guide tube.

[0011] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0012] The installation structure of the lower furnace wire of the tempering furnace described in the present invention arranges staggered furnace wires, so that the glass is heated more evenly during the moving process. The arrangement of the lower support bricks can support the furnace wire threading tube and the furnace wires, and can also support the furnace wire radiation plate, thereby avoiding the loss of high-temperature heat in the furnace and improving the thermal insulation performance of the furnace body. Support members are arranged on the lower support bricks to fix the thermal insulation cotton 11, which is simple to operate and avoids the disadvantage of conducting the heat inside the furnace to the outside. The utility model has a simple and compact structure, reduces the loss of heat in the furnace, improves the thermal insulation performance, and heats evenly, thereby improving the processing quality of the glass and reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the present utility model.

[0014] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0015] Figure 3 yes Figure 1 Right view of .

[0016] Figure 4 It is a structural schematic diagram of the furnace wire radiation plate of the present invention.

[0017] Figure 5 It is a structural schematic diagram of the lower supporting bricks of the utility model.

[0018] Figure 6 yes Figure 1 Top view of .

[0019] In the figure: 1. Lower furnace; 2. Furnace wire threading tube; 3. Thermocouple; 4. Thermocouple guide tube; 5. Furnace wire radiation plate; 6. Lower support brick; 7. Furnace wire; 8. Support member; 9. T-shaped porcelain tube; 10. Furnace wire lead-out rod; 11. Insulation cotton; 12. Radiation plate handle; 13. Arc groove; 14. Upper groove; 15. Lower groove; 16. Porcelain pin; 17. Porcelain sleeve. DETAILED DESCRIPTION

[0020] The present invention will be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0021] Combined with attachment Figure 1-3 The installation structure of the lower furnace wire of the tempering furnace includes a furnace wire threading tube 2 and a furnace wire 7 arranged in the lower furnace 1. A plurality of lower support bricks 6 are arranged at intervals along the length direction of the lower furnace 1. The lower support bricks 6 are all in the shape of an "I". A plurality of arc-shaped grooves 13 are evenly spaced on the step surfaces on both sides of the lower part. The corresponding arc-shaped grooves 13 between the two adjacent lower support bricks 6 on the left and right are each provided with a furnace wire threading tube 2. The adjacent furnace wire threading tubes 2 on the left and right are all staggered. , furnace wires 7 are wound around the outside of the furnace wire threading tube 2, and furnace wire radiation plates 5 are fixed on the upper top surfaces of multiple lower support bricks 6; upper grooves 14 and lower grooves 15 are respectively provided on the upper top surface and lower bottom surface of the lower support brick 6, and a through hole is provided between the upper groove 14 and the lower groove 15, and support members 8 are passed through the through holes. The lower ends of the support members 8 are fixed in the insulation cotton 11 of the lower furnace 1, and the upper ends pass through the upper top surface of the lower support brick 6 and are fixed to the furnace wire radiation plates 5.

[0022] Furthermore, T-shaped porcelain tubes 9 fixed in the lower furnace chamber 1 are provided at the lower parts of both ends of the furnace wire threading tube 2, and a furnace wire lead-out rod 10 is provided in the T-shaped porcelain tube 9. The upper end of the furnace wire lead-out rod 10 is located in the T-shaped porcelain tube 9, and the two ends of the wound furnace wire 7 are respectively arranged in the T-shaped porcelain tube 9 and fixedly connected to the upper ends of the furnace wire lead-out rod 10. The lower end of the furnace wire lead-out rod 10 is located outside the lower furnace chamber 1 and is connected to the external wires; porcelain sleeves 17 are fixed on both sides of the furnace wire threading tube 2, one end face of the porcelain sleeve 17 is in contact with the outside of the lower supporting brick 6, and the other end face of the porcelain sleeve 17 is in contact with the end face of the wound furnace wire 7.

[0023] Furthermore, pin holes are provided on both sides of each furnace wire threading tube 2 and near the end of the wound furnace wire 7, and porcelain pins 16 are fixed in the pin holes. The porcelain pins are provided to effectively prevent the furnace wire from moving left and right during thermal expansion and contraction.

[0024] Furthermore, the furnace wire radiation plate 5 adopts a perforated radiation plate, and a plurality of radiation plate handles 12 are provided on the furnace wire radiation plate 5. The perforated radiation plate is conducive to uniform heat dissipation, and the perforation is conducive to reducing thermal deformation of the radiation plate. The radiation plate handles 12 are used for easy disassembly and assembly.

[0025] Furthermore, a through hole is opened in the middle of the furnace wire threading tube 2, and a T-shaped ceramic tube for an electric thermocouple is fixed in the through hole. The upper end of the T-shaped ceramic tube for the electric thermocouple is arranged in the space between the furnace wire radiation plate 5 and the furnace wire threading tube 2, and the lower end is located above the thermal insulation cotton 11; a thermocouple guide tube 4 is fixed in the T-shaped ceramic tube for the electric thermocouple, and the upper end of the thermocouple guide tube 4 passes through the through hole on the furnace wire radiation plate 5 and is arranged in the lower furnace 1, and the lower end of the thermocouple guide tube 4 passes through the thermal insulation cotton and is arranged outside the lower furnace 1, and a thermocouple 3 is provided in the thermocouple guide tube 4.

[0026] The installation structure of the lower furnace wire of the tempering furnace described in the utility model is implemented. When installing, as shown in the attached Figure 1 and attached Figure 6 As shown, multiple lower support bricks 6 are placed at intervals from left to right, and a furnace wire threading tube 2 is fixed between the arc-shaped grooves 13 of two adjacent lower support bricks 6. The furnace wire threading tube 2 is made of quartz ceramic, and the two adjacent furnace wire threading tubes 2 on the left and right are staggered, so that the glass is heated more evenly during the process of moving. Multiple lower support bricks 6 can be provided in any column, and all are fixed to the insulation cotton 11 at the lower part of the lower furnace 1 through the support members 8 passed through the lower support bricks 6; as shown in the attached figure Figure 2 As shown, the furnace wire 7 is wound on multiple furnace wire threading tubes 2, and the two ends of the wound furnace wire 7 are respectively fixed on the upper end of the furnace wire lead-out rod 10. The diameter of the furnace wire lead-out rod 10 is 8 mm, and the material is 310s stainless steel with low resistivity, which can not only reduce energy consumption but also improve the heating response rate; the furnace wire lead-out rod 10 is arranged in a T-shaped porcelain tube 9, and the T-shaped porcelain tube 9 is vertically fixed in the insulation cotton 11. Porcelain pins 16 are inserted into the pin holes on both sides of the furnace wire threading tube 2 near the two ends of the wound furnace wire 7 to prevent the furnace wire 7 from moving left and right during thermal expansion and contraction, as shown in the attached figure. Figure 3-4 As shown, furnace wire radiation plates 5 are fixed on the upper top surface of the lower support bricks 6. The use of perforated radiation plates is conducive to uniform heat dissipation and reduces thermal deformation of the furnace wire radiation plates. The furnace wire radiation plates 5 are provided with multiple upward bends at intervals to increase strength. The above-mentioned furnace wire installation and arrangement method improves the thermal insulation performance while uniformly heating the glass, effectively improving product quality. Among them, installing a thermocouple 3 in the lower furnace chamber 1 of the tempering furnace is a prior art. The thermocouple 3 described in the utility model is positioned by a thermocouple guide tube 4, and the thermocouple guide tube 4 is fixed by a T-shaped ceramic tube through the electric thermocouple fixed on the furnace wire threading tube 2. The staff can complete the replacement operation at the bottom of the furnace body without stopping the furnace.

[0027] The parts not described in detail in this utility model are prior art.

[0028] The embodiments selected herein for the purpose of disclosing the invention of the present utility model are currently considered appropriate. However, it should be understood that the present utility model is intended to include all changes and improvements of the embodiments that fall within the scope of the present concept and utility model.

Claims

1. A mounting structure for the lower furnace wire of a tempering furnace, comprising a furnace wire threading tube and a furnace wire arranged in the lower furnace chamber, characterized in that: There are multiple lower support bricks spaced apart along the length direction of the lower furnace, and the lower support bricks are all in the shape of an "I". Multiple arc-shaped grooves are evenly spaced on the step surfaces on both sides of the lower part. There are furnace wire threading tubes in the corresponding arc-shaped grooves between the two adjacent lower support bricks on the left and right. The adjacent furnace wire threading tubes on the left and right are staggered, and furnace wire is wrapped around the outside of the furnace wire threading tubes. Furnace wire radiation plates are fixed on the upper top surfaces of multiple lower support bricks; upper grooves and lower grooves are respectively provided on the upper top surface and lower bottom surface of the lower support bricks, and a through hole is provided between the upper groove and the lower groove. Support members are passed through the through holes, and the lower ends of the supports are fixed in the thermal insulation cotton of the lower furnace, and the upper ends pass through the upper top surface of the lower support bricks and are fixed to the furnace wire radiation plates.

2. The installation structure of the lower furnace wire of the tempering furnace according to claim 1 is characterized in that: The lower parts of both ends of the furnace wire threading tube are provided with T-shaped porcelain tubes fixed in the lower furnace chamber, and a furnace wire lead-out rod is provided in the T-shaped porcelain tube. The upper end of the furnace wire lead-out rod is located in the T-shaped porcelain tube, and the two ends of the wound furnace wire are respectively arranged in the T-shaped porcelain tubes and fixedly connected to the upper end of the furnace wire lead-out rod. The lower end of the furnace wire lead-out rod is located outside the lower furnace chamber and is connected to the external wires.

3. The installation structure of the lower furnace wire of the tempering furnace according to claim 1 is characterized in that: Porcelain sleeves are fixed on both sides of the furnace wire threading tube, one end surface of the porcelain sleeve contacts the outer surface of the lower support brick, and the other end surface of the porcelain sleeve contacts the end surface of the wound furnace wire.

4. The installation structure of the lower furnace wire of the tempering furnace according to claim 1 is characterized in that: Pin holes are provided on both sides of each furnace wire threading tube and near the end of the wound furnace wire, and porcelain pins are fixed in the pin holes.

5. The installation structure of the lower furnace wire of the tempering furnace according to claim 1 is characterized in that: The furnace wire radiation plate is a perforated radiation plate, and a plurality of radiation plate handles are provided on the furnace wire radiation plate.

6. The installation structure of the lower furnace wire of the tempering furnace according to claim 1 is characterized in that: A through hole is provided in the middle of the furnace wire threading tube, and a T-shaped ceramic tube for an electric thermocouple is fixed in the through hole. The upper end of the T-shaped ceramic tube for the electric thermocouple is arranged in the space between the furnace wire radiation plate and the furnace wire threading tube, and the lower end is located above the thermal insulation cotton; a thermocouple guide tube is fixed in the T-shaped ceramic tube for the electric thermocouple, the upper end of the thermocouple guide tube passes through the through hole on the furnace wire radiation plate and is arranged in the lower furnace chamber, the lower end of the thermocouple guide tube passes through the thermal insulation cotton and is arranged outside the lower furnace chamber, and a thermocouple is arranged in the thermocouple guide tube.

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