CN116119911A - An annealing furnace for high-end float glass - Google Patents

Abstract

The invention discloses an annealing kiln for high-end float glass, which comprises a kiln body, wherein an inlet is formed in one side of the kiln body, and a blow box is fixedly connected to the left side of the kiln body. The annealing kiln for the high-end float glass forms upper and lower air curtain walls on the upper side and the lower side of the float glass through high-temperature hot air blown out by an air blowing box; and prevent through the setting of deep bead that hot-blast direct blow glass surface, lead to temperature variation too fast, through motor regulation ejector pin and stay cord length, adjust the position of deep bead, make its furthest be close glass to through the transmission of wind-guiding inclined plane, with wind from the induced draft groove direction to the mouth of blowing, blow off from the mouth of blowing off and form the wind that flushes with glass surface and blow off, wind curtain wall and leeward curtain wall can cut off external unnecessary heat and enter into the kiln body.

Description

An annealing furnace for high-end float glass

technical field

The invention relates to the technical field of annealing kilns, in particular to an annealing kiln for high-end float glass.

Background technique

At present, in the production process of float glass, the annealing kiln is an important equipment connecting the tin bath forming and glass cold end cutting and handling in the float glass production line. According to the annealing process, the glass ribbon is gradually cooled down through the annealing kiln to facilitate cutting and handling. If the temperature of the glass ribbon entering the annealing kiln is lower than the annealing upper limit temperature, proper heating and soaking are required; if the temperature of the glass ribbon entering the annealing kiln is higher than the annealing upper limit temperature, proper cooling and heat dissipation are required.

According to the patent No. CN108483882A, a special annealing kiln for the production of float glass is described. An air curtain wall is formed by an air screen mechanism arranged outside the entrance of the kiln body to prevent external heat from entering the annealing kiln to ensure the annealing effect. When in use, the hot air is blown directly on the glass surface, which may easily lead to drastic changes in the surface temperature and the effect is poor.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides an annealing kiln for high-end float glass, which solves the above-mentioned problems.

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: a high-end float glass annealing kiln, including a kiln body, an inlet is opened on one side of the kiln body, and a blower is fixedly connected to the left side of the kiln body. One side of the blowing box is connected with a pull rope that is retracted and retracted by the motor, and one end of the pull rope is fixedly connected with a windshield, and the inner cavity of the windshield is respectively provided with a suction groove and a blower port. , the blowing port is flush with the glass, and the blowing box communicates with the hot air blower to blow hot air toward the glass.

As a further solution of the present invention: the top of the windshield is provided with an air guiding slope to transfer the hot air to the side away from the kiln body.

As a further solution of the present invention: the bottom of the blowing box is slidably connected with a push rod driven by a motor, one side of the windshield is fixedly connected with a plug-in block, and one end of the push rod is connected to the inner part of the plug-in block. cavity abutment.

As a further solution of the present invention: one side of the blowing box is rotatably connected with a rotating shaft, and the surface of the rotating shaft is fixedly connected with an overturning heat preservation board, and the inner cavity of the blowing box is provided with a storage space adapted to the overturning heat preservation board. groove.

As a further solution of the present invention: one side of the overturned insulation board is fixedly connected with an insulation tassel.

As a further solution of the present invention: there are two blowing boxes arranged symmetrically up and down on the left side of the kiln body.

As a further solution of the present invention: the left side of the kiln body is fixedly connected with an air suction bucket, one side of the air suction bucket is fixedly connected with a filter screen plate, and one side of the air suction bucket is connected with the air inlet of the hot air blower through the air suction pipe. connected.

As a further solution of the present invention: the opposite sides of the two windshields are planes parallel to the glass.

When in use, when the float glass enters the kiln body, the hot air blower can generate high-temperature hot air, which is blown out through the blower box, and the high-temperature hot air blown out by the blower box forms up and down wind curtain walls on the upper and lower sides of the float glass; and through the windshield The setting of the plate prevents the hot air from blowing directly on the glass surface, causing the temperature to change too quickly. The length of the ejector rod and the pull rope is adjusted by the motor, and the position of the windshield is adjusted so that it is as close as possible to the glass. Guided from the air suction groove to the blowing port, blowing out from the blowing port forms a wind that is flush with the glass surface. The windward curtain wall and the downwind curtain wall can block the excess heat from the outside from entering the kiln body. At the same time, the temperature of the upwind curtain wall and the downwind curtain wall itself is still By adjusting the temperature of the high-temperature hot air generated by the hot air source, the temperature of the float glass near the inlet can be adjusted to make it reach the appropriate annealing upper limit temperature to meet the annealing process requirements, thereby preventing the formation of glass defects and ensuring the float glass. Production quality. Due to the existence of the upwind curtain wall and the downwind curtain wall, even if the thickness of the float glass changes, it is only necessary to adjust the flow and velocity of the high-temperature hot air blown out by the blower box in time, which is not only convenient for operation, but also does not affect the continuous production of float glass. The hot air is recovered through the exhaust hopper, and then blown out again after being filtered by the filter plate, so that the heat can be recycled. When the conveying of glass is stopped, the rotating shaft is driven by starting the motor, which drives the flipping insulation board to turn over, and drives the insulation tassels to intersect together. , to isolate the outside air.

Compared with the prior art, the present invention has the following beneficial effects:

1. In the present invention, the high-temperature hot air blown out by the blower forms the upper and lower wind curtain walls on the upper and lower sides of the float glass; and the setting of the windshield prevents the hot air from blowing directly on the glass surface, causing the temperature to change too quickly, and the ejector rod is adjusted by the motor and the length of the drawstring, adjust the position of the windshield so that it is as close as possible to the glass, and through the transmission of the wind guiding slope, the wind is guided from the suction slot to the blowing outlet, and blown out from the blowing outlet to form a wind that is flush with the glass surface Blowing out, the windward curtain wall and the downwind curtain wall can isolate excess heat from the outside from entering the kiln body.

2. In the present invention, the hot air is recovered through the exhaust hopper, and then blown out again after being filtered by the filter plate, so that the heat can be recovered and utilized, which is more energy-saving.

Description of drawings

Fig. 1 is a schematic diagram of the external structure of the present invention;

Fig. 2 is the partial enlarged view of place A in Fig. 1 of the present invention;

Fig. 3 is a partial enlarged view of B in Fig. 1 of the present invention.

In the figure: 1. Kiln body; 2. Inlet; 3. Blowing box; 4. Pull rope; 5. Windshield; 10. Blowing outlet; 11. Rotation shaft; 12. Flip insulation board; 13. Heat preservation tassel; 14. Storage slot;

Detailed ways

In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, structure, features and effects of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

Please refer to Figures 1-3, the present invention provides a technical solution: a high-end float glass annealing kiln, which includes a kiln body 1, an inlet 2 is opened on one side of the kiln body 1, and the left side of the kiln body 1 is fixedly connected with a Blowing box 3, one side transmission of blowing box 3 is connected with stay cord 4 retractable by motor, and one end of stay cord 4 is fixedly connected with windshield 5, and the inner cavity of windshield 5 is provided with suction groove 9 and The blowing port 10, the blowing port 10 is flush with the glass, and the blowing box 3 communicates with the hot air blower to blow hot air towards the glass. When in use, when the float glass enters the kiln body 1, the hot air blower can generate high-temperature hot air, and the high-temperature hot air passes through the blowing box 3 Blow out, the high-temperature hot air blown out by the blower box 3 forms the upper and lower wind curtain walls on the upper and lower sides of the float glass; and the setting of the windshield 5 prevents the hot air from directly blowing the glass surface, causing the temperature to change too quickly, and the ejector rod 6 is adjusted by the motor And stay cord 4 lengths, adjust the position of windshield 5, make it close to glass to the greatest extent, and pass through the transmission of wind guide slope 8, guide wind from suction groove 9 to blowing outlet 10, blow out from blowing outlet 10 to form and The wind that is flush with the glass surface is blown out, and the windward curtain wall and the downwind curtain wall can block the excess heat from the outside from entering the kiln body 1. At the same time, the temperature of the upwind curtain wall and the downwind curtain wall can also be adjusted by adjusting the temperature of the high-temperature hot air generated by the hot air source. The temperature of the float glass near the entrance 2 makes it reach the appropriate annealing upper limit temperature to meet the requirements of the annealing process, thereby preventing the formation of glass defects and ensuring the production quality of the float glass.

The top of the windshield 5 is provided with an air guide inclined surface 8, which transfers the hot air to the side away from the kiln body 1.

The bottom of the blowing box 3 is slidably connected with a push rod 6 driven by a motor, and one side of the windshield 5 is fixedly connected with a plug block 7 , and one end of the push rod 6 abuts against the cavity of the plug block 7 .

One side of the blowing box 3 is rotatably connected with a rotating shaft 11, and the surface of the rotating shaft 11 is fixedly connected with an overturning insulation board 12. One side of one side is fixedly connected with heat preservation tassel 13, after stopping conveying glass, drive rotating shaft 11 to rotate by starting motor, drive overturning heat preservation board 12 to turn over, drive heat preservation tassel to intersect together, and outside air is isolated.

There are two blowing boxes 3, which are symmetrically distributed up and down on the left side of the kiln body 1.

The left side of the kiln body 1 is fixedly connected with an air suction bucket 16, and one side of the air suction bucket 16 is fixedly connected with a filter screen plate 17, and one side of the air suction bucket 16 communicates with the air inlet of the hot air blower through the air suction pipe 15, and the 16 pairs of exhaust air buckets The hot air is recovered and blown out again after being filtered by the filter screen plate 17, so that the heat can be recovered and utilized.

The opposite sides of the two windshields 5 are planes parallel to the glass.

In use, when the float glass enters the kiln body 1, the hot air blower can generate high-temperature hot air, and the high-temperature hot air is blown out through the blowing box 3, and the high-temperature hot air blown out by the blowing box 3 forms an upper and lower wind curtain wall on the upper and lower sides of the float glass; and The setting of the windshield 5 prevents the hot air from directly blowing the glass surface, causing the temperature to change too quickly. The length of the ejector rod 6 and the stay rope 4 is adjusted by the motor, and the position of the windshield 5 is adjusted so that it is as close as possible to the glass. The transmission of the wind inclined surface 8 guides the wind from the air suction groove 9 to the blowing port 10, and blows out from the blowing port 10 to form a wind flush with the glass surface. The upper and lower wind curtain walls can block the excess heat from entering the kiln 1. At the same time, the temperature of the upwind curtain wall and downwind curtain wall itself can also be adjusted by adjusting the temperature of the high-temperature hot air generated by the hot air source, and then adjust the temperature of the float glass near the entrance 2, so that it can reach the appropriate annealing upper limit temperature to meet the annealing process requirements , so as to prevent the formation of glass defects and ensure the production quality of float glass. Due to the existence of the upwind curtain wall and the downwind curtain wall, even if the thickness of the float glass changes, it is only necessary to adjust the flow and velocity of the high-temperature hot air blown out by the blower box 3 in time, which is not only convenient for operation, but also does not affect the continuous production of float glass , the hot air is reclaimed by the exhaust hopper 16, and then blown out again after being filtered by the filter screen plate 17, so that the heat can be recycled. The insulation tassels are crossed together to isolate the outside air.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art , without departing from the scope of the technical solution of the present invention, when the technical content disclosed above can be used to make some changes or be modified into equivalent embodiments with equivalent changes, but as long as it does not depart from the technical solution of the present invention, the technical content of the present invention In essence, any brief modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims (8)

1. The utility model provides an annealing kiln of high-end float glass, includes kiln body (1), import (2) have been seted up to one side of kiln body (1), its characterized in that: the kiln comprises a kiln body (1), wherein a blowing box (3) is fixedly connected to the left side of the kiln body (1), a pull rope (4) which is wound and unwound through a motor is connected to one side of the blowing box (3) in a transmission mode, a wind shield (5) is fixedly connected to one end of the pull rope (4), an air suction groove (9) and a blowing opening (10) are respectively formed in an inner cavity of the wind shield (5), the blowing opening (10) is flush with glass, and the blowing box (3) is communicated with a hot air blower to blow hot air towards the glass.

2. A high end float glass lehr as claimed in claim 1 wherein: the top of the wind shield (5) is provided with an air guiding inclined plane (8) for transmitting hot air to one side far away from the kiln body (1).

3. A high end float glass lehr as claimed in claim 1 wherein: the bottom sliding connection of blow box (3) has ejector pin (6) through motor drive, one side fixedly connected with grafting piece (7) of deep bead (5), the inner chamber butt of one end and grafting piece (7) of ejector pin (6).

4. A high end float glass lehr as claimed in claim 1 wherein: one side rotation of blow box (3) is connected with axis of rotation (11), the fixed surface of axis of rotation (11) is connected with upset heated board (12), accomodate groove (14) with upset heated board (12) adaptation are seted up to the inner chamber of blow box (3).

5. A high end float glass lehr as claimed in claim 1 wherein: one side of the turnover heat-insulating plate (12) is fixedly connected with a heat-insulating tassel (13).

6. A high end float glass lehr as claimed in claim 1 wherein: the number of the blowing boxes (3) is two, and the blowing boxes are symmetrically distributed on the left side of the kiln body (1).

7. A high end float glass lehr as claimed in claim 1 wherein: the kiln is characterized in that an exhaust hopper (16) is fixedly connected to the left side of the kiln body (1), a filter screen plate (17) is fixedly connected to one side of the exhaust hopper (16), and one side of the exhaust hopper (16) is communicated with an air inlet of the air heater through an exhaust pipeline (15).

8. A high end float glass lehr as claimed in claim 1 wherein: the opposite sides of the two wind shields (5) are planes parallel to the glass.

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