Electric heating wire protection device of forming furnace and forming furnace

Abstract

The utility model discloses a forming furnace electric heating wire protection device and a forming furnace, and particularly relates to the technical field of glass manufacturing, the forming furnace electric heating wire protection device is provided with protection cylinders and a plurality of clamping structures, the protection cylinders are arranged in the forming furnace at intervals, and flowing channels for molten glass to flow are formed in the protection cylinders; a plurality of installation positions distributed at intervals in the circumferential direction are formed on the periphery of the protection cylinder, the number of the clamping structures is consistent with that of the installation positions, the clamping structures and the installation positions are detachably arranged in a one-to-one correspondence mode, each clamping structure is matched with the protection cylinder in an insulating mode, and an electric heating wire is detachably connected in each clamping structure in a clamped mode, so that the protection layer can be prevented from falling off or losing efficacy. The service life of the electric heating wire is prolonged, the stability of glass manufacturing is ensured, and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass manufacturing technical field, especially a kind of forming furnace electric heating wire protection device and forming furnace. BACKGROUND

[0002] The electric heating wire protection technology in glass manufacturing technology has experienced a development process from simple to complex and from single to multiple since its inception. Initially, the electric heating wire protection technology mainly relied on physical isolation and simple chemical treatment to prevent oxidation and corrosion of the electric heating wire in high-temperature environment. With the continuous progress of glass manufacturing process, especially the widespread application of overflow down-draw forming technology, the requirements for electric heating wire protection technology have also been increasing. In the process of producing ultra-thin glass, the glass liquid is gradually cooled and formed through the forming channel, while the electric heating wire as a heating element directly affects the quality and production efficiency of the glass.

[0003] Currently, the electric heating wire protection technology in glass manufacturing technology has made certain progress. Common protection methods include forming a dense oxide film on the surface of the electric heating wire and using special alloy materials to improve the oxidation resistance and corrosion resistance of the electric heating wire. In addition, some advanced equipment also adopts a multi-layer protection structure by setting a heat insulation layer and a protective cover around the electric heating wire to further protect the electric heating wire from high temperature and chemical corrosion.

[0004] The existing protection technology is prone to protective layer shedding or failure in high-temperature environment, which shortens the service life of the electric heating wire and affects the stability of glass manufacturing and product quality. SUMMARY

[0005] The main purpose of the present utility model is to provide a forming furnace electric heating wire protection device and forming furnace, which aims to solve the technical problem that the related technology is prone to protective layer shedding or failure in high-temperature environment, which shortens the service life of the electric heating wire and affects the stability of glass manufacturing and product quality.

[0006] To achieve the above-mentioned purpose, the present utility model provides a forming furnace electric heating wire protection device, which comprises:

[0007] A protective cylinder is arranged in the forming furnace, and a flow channel for glass liquid to flow is formed in the protective cylinder. The outer periphery of the protective cylinder is formed with a plurality of installation positions distributed along the circumference at intervals.

[0008] A plurality of clamping structures are arranged in the protective cylinder, and each clamping structure is in insulating cooperation with the protective cylinder. Each clamping structure is detachably clamped with an electric heating wire.

[0009] In an embodiment, the mounting position extends radially outward to form a mounting protrusion, and the clamping structure is detachably mounted on the mounting protrusion.

[0010] In an embodiment, the mounting protrusion is made of insulating ceramic.

[0011] In an embodiment, the mounting protrusion is formed with a detachable clamping groove at one end away from the protective cylinder, and the clamping structure is detachably mounted in the clamping groove.

[0012] In an embodiment, the clamping structure comprises:

[0013] a resilient plug that is detachably plugged into the clamping groove; and

[0014] a clamping piece connected with the resilient plug, and the clamping piece is formed with an arc-shaped clamping groove at one side away from the resilient plug, and the electric heating wire is detachably clamped in the clamping groove.

[0015] In an embodiment, both ends of the clamping piece at the notch position are formed with anti-falling pieces.

[0016] In an embodiment, the anti-falling pieces comprise a first anti-falling section and a second anti-falling section, both of which extend towards the clamping groove, and the first anti-falling section extends in a first direction and the second anti-falling section extends in a second direction.

[0017] In an embodiment, the protective cylinder is made of ceramic material, and the inner wall of the protective cylinder is mirror-finished.

[0018] In an embodiment, the clamping structure is made of metal material.

[0019] Based on the same technical concept, in a second aspect, the utility model also provides a forming furnace, and the forming furnace electric heating wire protection device is applied to the first aspect.

[0020] The technical scheme of the utility model comprises the following steps: the protective cylinder is arranged in the forming furnace at intervals, and a flow channel for the glass liquid to flow is formed in the protective cylinder; the outer periphery of the protective cylinder is formed with a plurality of mounting positions distributed at intervals in the circumferential direction; the clamping structure is detachably arranged one by one in correspondence with the mounting positions, and each clamping structure is insulated from the protective cylinder; and an electric heating wire is detachably clamped in each clamping structure. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below only show some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor.

[0022] Figure 1 The structure diagram of the protection device for the electric heating wire of the forming furnace is provided.

[0023] Figure 2 For Figure 1 The structure diagram of the A part of the example is enlarged.

[0024] Explanation of the reference signs:

[0025] 100, protection cylinder; 200, clamping structure; 110, mounting protrusion; 210, clamping groove; 220, elastic plug-in part; 230, clamping part; 240, first anti-dropping section; 250, second anti-dropping section.

[0026] The implementation, functional characteristics and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. Specific implementation

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications will also change accordingly.

[0029] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0030] The utility model provides a forming furnace electric heating wire protection device.

[0031] Please refer to Figures 1 to 2 In an embodiment of the present application, the forming furnace electric heating wire protection device includes a protection cylinder 100 and a plurality of clamping structures 200. The protection cylinder 100 is arranged at intervals in the forming furnace, and a flow channel for the flow of glass liquid is formed in the protection cylinder 100. The outer periphery of the protection cylinder 100 forms a plurality of installation positions distributed at intervals in the circumferential direction. The clamping structures 200 are arranged in a one-to-one correspondence with the installation positions and are detachably arranged. Each clamping structure 200 is insulated from the protection cylinder 100, and an electric heating wire is detachably clamped in each clamping structure 200.

[0032] In the present embodiment, by arranging the protection cylinder 100 and the plurality of clamping structures 200, the protection cylinder 100 is arranged at intervals in the forming furnace, and a flow channel for the flow of glass liquid is formed in the protection cylinder 100. The outer periphery of the protection cylinder 100 forms a plurality of installation positions distributed at intervals in the circumferential direction. The clamping structures 200 are arranged in a one-to-one correspondence with the installation positions and are detachably arranged. Each clamping structure 200 is insulated from the protection cylinder 100, and an electric heating wire is detachably clamped in each clamping structure 200. Thus, the present application can avoid the peeling or failure of the protective layer, improve the service life of the electric heating wire, ensure the stability of glass manufacturing, and improve the product quality.

[0033] It should be particularly and explicitly pointed out that, in the present embodiment, the example protection cylinder 100 is made of ceramic material.

[0034] In an embodiment, the installation position extends radially outward of the forming furnace to form an installation protrusion 110, and the clamping structure 200 is detachably mounted on the installation protrusion 110.

[0035] In the embodiment, the mounting position extends radially towards the forming furnace to form a mounting protrusion 110, and the mounting protrusion 110 is made of insulating ceramic. Further, the utility model can avoid electric leakage and improve the safety in use by the insulating mounting protrusion 110.

[0036] It can be further clarified that the mounting protrusion 110 is formed with a detachable clamping groove 210 at one end away from the protective cylinder 100, and the clamping structure 200 is detachably mounted in the clamping groove 210.

[0037] In the embodiment, the clamping groove 210 is arranged on the mounting protrusion 110, so that the utility model can improve the installation efficiency of the clamping structure 200 in use, and the clamping groove 210 can also be replaced.

[0038] In an embodiment, the clamping structure 200 includes an elastic plug-in part 220 and a clamping part 230, the elastic plug-in part 220 is detachably plugged into the clamping groove 210, the clamping part 230 is connected with the elastic plug-in part 220, and the clamping part 230 is formed with an arc-shaped clamping groove at one side away from the elastic plug-in part 220, and the electric heating wire is detachably clamped in the clamping groove.

[0039] In the embodiment, the elastic plug-in part 220 and the clamping part 230 are arranged, so that the utility model can realize the quick disassembly between the clamping structure 200 and the mounting protrusion 110.

[0040] In an embodiment, the two ends of the slot position of the clamping part 230 are formed with anti-drop parts.

[0041] In the embodiment, the anti-drop parts are arranged at the two ends of the slot position of the clamping part 230, so that the utility model can avoid the falling of the electric heating wire in use.

[0042] It needs to be particularly and explicitly pointed out that the anti-drop part includes a first anti-drop section 240 and a second anti-drop section 250, the first anti-drop section 240 and the second anti-drop section 250 extend towards the clamping groove, and the first anti-drop section 240 extends in a first direction, and the second anti-drop section 250 extends in a second direction.

[0043] In the embodiment, the first anti-drop section 240 and the second anti-drop section 250 are arranged, so that the utility model can improve the clamping stability of the electric heating wire in use, and avoid the falling of the electric heating wire.

[0044] It can be further clarified that in the embodiment, the clamping structure 200 is made of metal material.

[0045] In an embodiment, the protective cylinder 100 is made of ceramic material, and the inner wall of the protective cylinder 100 is mirror-finished.

[0046] Based on the same technical concept, in a second aspect, the utility model also proposes a forming furnace, and the forming furnace electric heating wire protection device of the first aspect is applied.

[0047] The utility model discloses a kind of forming furnaces, and the specific structure of the forming furnace electric heating wire protection device refers to above-mentioned embodiment, since the present forming furnace adopts all technical solutions of above-mentioned all embodiments, can solve the situation that related technology is prone to appear in high temperature environment Protective layer peeling or failure, lead to the service life of electric heating wire shortening, affect the stability of glass manufacturing and product quality Technical problems, at least have all beneficial effects brought by the technical scheme of above-mentioned embodiment, not again here elaboration.

[0048] The above is only exemplary embodiment of the utility model, and not therefore limit the patent range of the utility model, any equivalent structure transformation made in the technical concept of the utility model, or direct / indirectly applied in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A protection device for an electrically heated filament of a forming furnace, characterized in that The application relates to a protection device for an electric heating wire of a forming furnace. The protection device comprises: a protection cylinder which is arranged in the forming furnace and has a flow channel for glass liquid flow, and a plurality of mounting positions which are arranged on the outer periphery of the protection cylinder in a circumferential direction; and a plurality of clamping structures which are arranged in the mounting positions one by one and are insulated from the protection cylinder, and each of the clamping structures is detachably connected with an electric heating wire. The mounting positions are extended outward along a radial direction to form mounting protrusions, and the clamping structures are detachably arranged on the mounting protrusions.

2. The forming furnace wire guard of claim 1 wherein, The mounting protrusions are made of insulating ceramic.

3. The forming furnace wire guard of claim 2 wherein, An end of the mounting protrusion which is away from the protection cylinder is provided with a detachable clamping groove, and the clamping structure is detachably arranged in the clamping groove.

4. The forming furnace wire guard of claim 3 wherein, The clamping structure comprises: an elastic plug which is detachably plugged into the clamping groove; and a clamping piece which is connected with the elastic plug and has an arc-shaped clamping groove which is arranged on a side of the clamping piece which is away from the elastic plug, and the electric heating wire is detachably arranged in the clamping groove.

5. The forming furnace wire guard of claim 4 wherein, The clamping piece is provided with anti-disengaging pieces at both ends of a slot opening of the clamping piece. The anti-disengaging pieces comprise a first anti-disengaging section and a second anti-disengaging section which are both extended toward the clamping groove, the first anti-disengaging section is extended in a first direction, and the second anti-disengaging section is extended in a second direction. The protection cylinder is made of ceramic material, and an inner wall of the protection cylinder is arranged in a mirror surface.

6. The forming furnace wire guard of claim 5 wherein, The clamping structure is made of metal material.

7. The forming furnace wire guard of claim 6 wherein, The application is applied to the electric heating wire protection device of the forming furnace.

8. A forming furnace heating element guard according to any one of claims 1 to 7, wherein, ​ 9. A forming furnace heating element guard according to any one of claims 1 to 7, wherein, ​ 10. A forming furnace characterized by ​

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