Annealing kiln inlet sealing device for improving lower quality of glass plate

Abstract

The utility model discloses an annealing kiln inlet sealing device for improving the lower quality of a glass plate, which belongs to the technical field of glass plate production and comprises an annealing kiln, a roller way is arranged in the annealing kiln, a tin bath is arranged on one side of the annealing kiln, a supporting component is arranged in the annealing kiln, and an air curtain component is arranged at the top end of the supporting component. According to the utility model, the air curtain pipe is arranged inside, and nitrogen is input into the air curtain pipe and is sprayed out through the spray head in the production process of the glass plate, so that the nitrogen is blown to the bottom of the glass plate when the glass plate passes through the air curtain pipe; a certain partition is formed between a glass plate and the lower portion of a roller way through an air curtain sprayed out of the air curtain pipe, sulfur dioxide flows upwards, contact between the sulfur dioxide and the annealing kiln roller way and steel on the lower portion is reduced, corrosion of the roller way and the steel is reduced, and the production safety risk is reduced to a certain degree; and the gas consumption cost is not additionally increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to glass plate production technical field especially relates to an annealing lehr entrance sealing device for improving glass plate lower quality. BACKGROUND

[0002] In float glass production, in order to control glass plate lower quality, pass into sulfur dioxide in tin trough export slag box to improve glass plate lower quality, the passing in of sulfur dioxide plays a vital role to glass plate lower quality, helps to improve the performance of glass, delays glass mildew, reduces glass lower surface scratch, file injury and the like, improves glass plate lower quality. In the whole process, sulfur dioxide plays an irreplaceable role.

[0003] Sulfur dioxide gas is strong acid gas, will not be absorbed by glass completely, will have partial gas diffusion to slag box and inside annealing lehr, if strong acid gas diffuses to annealing lehr sealing area rear section, possibly causes irreversible erosion to annealing lehr roll, forms erosion pit on roll surface, causes glass lower surface to appear file injury, dark crack and the like defects, steel roll of annealing lehr rear section also can be eroded by sulfur dioxide strong acid gas, and long-time erosion of roll can cause safety hazard, and a large amount of sulfide is attached on roll, can produce a large amount of adhesive, tin ash skin and the like defects, affects glass quality, in order to solve the above problems, therefore, there is an urgent need for an annealing lehr entrance sealing device for improving glass plate lower quality to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at: in order to solve sulfur dioxide gas is strong acid gas, will not be absorbed by glass completely, will have partial gas diffusion to slag box and inside annealing lehr, if strong acid gas diffuses to annealing lehr sealing area rear section, possibly causes irreversible erosion to annealing lehr roll, forms erosion pit on roll surface, causes glass lower surface to appear file injury, dark crack and the like defects, steel roll of annealing lehr rear section also can be eroded by sulfur dioxide strong acid gas, and long-time erosion of roll can cause safety hazard, and a large amount of sulfide is attached on roll, can produce a large amount of adhesive, tin ash skin and the like defects, affects glass quality, and an annealing lehr entrance sealing device for improving glass plate lower quality is provided.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: an annealing lehr entrance sealing device for improving glass plate lower quality, including annealing lehr, be equipped with roll in the annealing lehr, the one side of annealing lehr is equipped with tin trough, the one end of tin trough is equipped with outlet lip plate, be equipped with support assembly in the annealing lehr, the top of support assembly is equipped with air curtain component;The air curtain component includes air curtain pipe, the outer wall of air curtain pipe is equipped with a plurality of sprays, one end of air curtain pipe is fixedly connected with regulating valve, one end of regulating valve is fixedly connected with flexible pipe, the other end of flexible pipe is fixedly connected with air inlet pipe.

[0006] As a further description of the above technical solutions:

[0007] The air curtain pipe is located inside the outlet lip plate, and the air curtain pipe is slidably connected with the groove on the side of the annealing furnace.

[0008] As a further description of the above technical solutions:

[0009] The air curtain pipe is located at one end of the outlet of the annealing furnace, and the nozzles on the outer wall of the air curtain pipe are upwardly sprayed.

[0010] As a further description of the above technical solutions:

[0011] The support assembly comprises a mounting frame, a rotating rod is rotatably connected to the mounting frame through a through hole formed in the mounting frame, a second bevel gear is fixedly connected to the outer wall of the rotating rod, and a support plate is fixedly connected in the mounting frame.

[0012] As a further description of the above technical solutions:

[0013] A threaded rod is rotatably connected to the support plate through a through hole formed in the support plate, a first bevel gear is fixedly connected to the bottom end of the threaded rod, the first bevel gear is engaged with the second bevel gear, and a support rod is slidably connected to the mounting frame through a groove formed in the mounting frame.

[0014] As a further description of the above technical solutions:

[0015] The support rod is threadedly connected with the threaded rod through a threaded hole formed in the support rod, the bottom end of the mounting frame is fixedly connected with the bottom end of the annealing furnace, and the support rod is fixedly connected with the outer wall of the air curtain pipe through a groove formed in the top end of the support rod.

[0016] As described above, due to the adoption of the above technical solutions, the beneficial effects of the present application are:

[0017] 1、In the present application, by arranging an air curtain pipe inside, during the production of glass plates, nitrogen gas is input into the air curtain pipe and sprayed out through the nozzles, so that when the glass plates pass above the air curtain pipe, the nitrogen gas is blown to the bottom of the glass plates. Through this design, the air curtain sprayed by the air curtain pipe forms a certain partition between the glass plates and the lower part of the roller, the sulfur dioxide flows upward, reducing the contact between the sulfur dioxide and the annealing furnace roller and the lower steel material, reducing the erosion of the roller and the steel material, and reducing the production safety risk to a certain extent. At the same time, the nitrogen gas is the exhaust gas discharged from the tin tank outlet lip plate, which does not increase the gas cost.

[0018] 2. The utility model discloses a support rod is arranged in, when the glass plate is processed, through the rotation rotating rod and is lifted through the transmission drive support rod, thereby the height of air curtain pipe is adjusted to the appropriate position through it, through this design, the air curtain pipe is adjusted to the appropriate position, thereby the nitrogen gas that the air curtain pipe sprays can effectively block sulfur dioxide, thereby make it play corresponding effect, and can guarantee the production quality of glass plate. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a kind of three-dimensional structure schematic diagram of annealing lehr entrance sealing device for improving the quality of glass plate under.

[0020] Figure 2 It is an explosion three-dimensional structure schematic diagram of annealing lehr entrance sealing device for improving the quality of glass plate under.

[0021] Figure 3 It is an explosion three-dimensional structure schematic diagram of support assembly in annealing lehr entrance sealing device for improving the quality of glass plate under.

[0022] Figure 4 It is a three-dimensional structure schematic diagram of air curtain assembly in annealing lehr entrance sealing device for improving the quality of glass plate under.

[0023] LEGEND:

[0024] 1, annealing lehr;2, roller way;3, air curtain assembly;31, air curtain pipe;32, spray head;33, regulating valve;34, hose;35, inlet pipe;4, support assembly;41, support rod;42, threaded rod;43, first bevel gear;44, second bevel gear;45, rotating rod;46, support plate;47, mounting frame;5, outlet lip plate;6, tin bath. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] Please refer to Figures 1-4The utility model provides a technical scheme: an annealing furnace entrance sealing device that improves glass plate lower quality, including annealing furnace 1, be equipped with roller bed 2 in annealing furnace 1, annealing furnace 1 one side is equipped with tin tank 6, tin tank 6 one end is equipped with outlet lip plate 5, be equipped with support assembly 4 in annealing furnace 1, support assembly 4 top is equipped with air curtain assembly 3, air curtain assembly 3 includes air curtain pipe 31, air curtain pipe 31 outer wall is equipped with a plurality of spray head 32, air curtain pipe 31 one end fixedly connected with regulating valve 33, regulating valve 33 one end fixedly connected with hose 34, hose 34 other end fixedly connected with air inlet pipe 35.

[0027] Air inlet pipe 35 is located in the inside of outlet lip plate 5, air curtain pipe 31 is slidably connected with the groove of one side of annealing furnace 1, air curtain pipe 31 is located at one end of the outlet of annealing furnace 1, and the spray head 32 of the outer wall of air curtain pipe 31 sprays upwards.

[0028] Its specific implementation is that: in the process of glass plate production, the waste nitrogen gas discharged at the outlet lip plate 5 is input into the air inlet pipe 35 and transported into the air curtain pipe 31 through the hose 34 and sprayed out through the spray head 32, so that the nitrogen gas is blown to the bottom of the glass plate when the glass plate passes above.

[0029] The support assembly 4 includes a mounting bracket 47, a rotating rod 45 is rotatably connected to the mounting bracket 47 through a through hole formed in the mounting bracket 47, a second bevel gear 44 is fixedly connected to the outer wall of the rotating rod 45, a support plate 46 is fixedly connected in the mounting bracket 47, a threaded rod 42 is rotatably connected to the support plate 46 through a through hole formed in the support plate 46, a first bevel gear 43 is fixedly connected to the bottom end of the threaded rod 42, the first bevel gear 43 is engaged with the second bevel gear 44, a support rod 41 is slidably connected to the mounting bracket 47 through a groove formed in the mounting bracket 47, the support rod 41 is threadedly connected to the threaded rod 42 through a threaded hole formed in the support rod 41, the bottom end of the mounting bracket 47 is fixedly connected to the bottom end of the annealing furnace 1, and the support rod 41 is fixedly connected to the outer wall of the air curtain pipe 31 through a groove formed at the top end of the support rod 41.

[0030] Its specific implementation is that: when the glass plate is processed, the second bevel gear 44 is rotated by rotating the rotating rod 45, the first bevel gear 43 is rotated by the second bevel gear 44, the threaded rod 42 is rotated by the first bevel gear 43, and the support rod 41 is lifted and lowered by the threaded rod 42, so that the height of the air curtain pipe 31 is adjusted to the appropriate position.

[0031] Working principle: when the glass plate is processed, the rotating rod 45 is rotated to drive the second bevel gear 44 to rotate, and the first bevel gear 43 is driven to rotate, so that the threaded rod 42 is rotated and the supporting rod 41 is driven to lift, so that the height of the air curtain pipe 31 is adjusted to the appropriate position, and the exhaust nitrogen gas at the outlet lip plate 5 is input into the inlet pipe 35 and transported to the air curtain pipe 31 through the hose 34 and sprayed through the nozzle 32, so that the nitrogen gas is blown to the bottom of the glass plate when the glass plate passes above.

[0032] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An improved lehr inlet seal for improving the quality of glass sheets, comprising a lehr (1), characterized in that: The annealing furnace (1) is internally provided with a roller (2), one side of the annealing furnace (1) is provided with a tin tank (6), one end of the tin tank (6) is provided with an outlet lip plate (5), the annealing furnace (1) is internally provided with a supporting assembly (4), and the top end of the supporting assembly (4) is provided with an air curtain assembly (3); the air curtain assembly (3) comprises an air curtain pipe (31), a plurality of nozzles (32) are arranged on the outer wall of the air curtain pipe (31), one end of the air curtain pipe (31) is fixedly connected with an adjusting valve (33), one end of the adjusting valve (33) is fixedly connected with a hose (34), and the other end of the hose (34) is fixedly connected with an air inlet pipe (35).

2. An improved glass sheet quality lowering lehr entry seal apparatus of claim 1, wherein, The air inlet pipe (35) is located on the inner side of the outlet lip plate (5), and the air curtain pipe (31) is slidably connected with the annealing furnace (1) through a groove formed on one side of the annealing furnace (1).

3. An improved glass sheet quality lowering lehr entry seal apparatus of claim 2, wherein, The air curtain pipe (31) is located at one end of the outlet of the annealing furnace (1), and the nozzles (32) on the outer wall of the air curtain pipe (31) are sprayed upwards.

4. An improved glass sheet quality lowering lehr entry seal apparatus as in claim 3, wherein, The supporting assembly (4) comprises a mounting frame (47), a rotating rod (45) is rotatably connected to the mounting frame (47) through a through hole formed in the mounting frame (47), a second bevel gear (44) is fixedly connected to the outer wall of the rotating rod (45), and a supporting plate (46) is fixedly connected in the mounting frame (47).

5. An improved glass sheet quality lowering lehr entry seal apparatus of claim 4, wherein, The supporting plate (46) is rotatably connected with a threaded rod (42) through a through hole formed in the supporting plate (46), the bottom end of the threaded rod (42) is fixedly connected with a first bevel gear (43), the first bevel gear (43) is engaged with the second bevel gear (44), and the mounting frame (47) is slidably connected with a supporting rod (41) through a groove formed in the mounting frame (47).

6. An improved glass sheet quality lowering lehr entry seal apparatus of claim 5, wherein, The supporting rod (41) is threadedly connected with the threaded rod (42) through a threaded hole formed in the supporting rod (41), the bottom end of the mounting frame (47) is fixedly connected with the bottom end of the annealing furnace (1), and the supporting rod (41) is fixedly connected with the outer wall of the air curtain pipe (31) through a groove formed at the top end of the supporting rod (41).

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