CN204474527U - The multi-thread float glass device of one kiln - Google Patents

Abstract

The utility model discloses a one-kiln multi-line float glass production device, which comprises a large-tonnage melting furnace (10). The large-tonnage melting furnace (10) is connected with an ultra-thin glass production line through a main cooling part (14). The kiln (10) is also connected with one or more large passages (13), the large passages (13) are connected with the float glass production line through the branch cooling part (141), and the two sides of the large passages (13) are respectively equipped with temperature Pressure regulator (15). The utility model enables the production line to stably produce glasses with different thicknesses and different specifications at the same time, reduces the production cost of glasses with various specifications, reduces the energy consumption of each production line, and improves product quality.

Description

One kiln multi-line float glass production device

technical field

The utility model relates to the field of float glass production, in particular to a single-kiln multi-line float glass production device.

Background technique

The forming process of float glass production is completed in a tin bath with protective gas. The molten glass flows continuously from the furnace through the flow channel and floats on the surface of the relatively dense tin liquid. Under the action of gravity and surface tension Next, the molten glass is spread and flattened on the surface of the tin liquid to form a glass ribbon with flat upper and lower surfaces. After cooling and hardening, it is led to the transition roller table and pulled out of the tin bath into the annealing kiln. After annealing and cutting, the finished glass is obtained. Because it is formed by the float method, it is called float glass. Float glass has become the most advanced production method in the flat glass industry because of its good surface flatness, high light transmittance, high mechanical strength, and good chemical stability. With the continuous development of new technologies, the application of float glass products has been expanding from traditional architectural glass to various new fields such as high value-added, high-tech electronics industry, energy saving and environmental protection.

At present, the layout of the main line of the float glass production line at home and abroad is one kiln and one line. The main line of the float glass production line is arranged in sequence from front to back with a float glass melting furnace, a neck, a cooling section, a tin bath, an annealing kiln, and a cooling furnace. At the end, each quantitative float glass production line has a specific size neck and cooling section. This arrangement is more suitable for production lines with little change in glass specifications and large tonnage. The disadvantage is that frequent plate changes will reduce the yield and glass of different thicknesses cannot be produced at the same time. Especially when producing ultra-thin glass, the energy consumption is high and the quality is difficult. ensure. Moreover, because the molten glass of the large-tonnage melting furnace has a large amount of molten glass, but the actual single-line production of ultra-thin glass is relatively small, resulting in excess and excess of molten glass, resulting in high energy consumption.

Utility model content

The purpose of the utility model is to provide a multi-line float glass production device with one kiln. The utility model enables the production line to stably produce glasses with different thicknesses and different specifications at the same time, reduces the production cost of glasses with various specifications, reduces the energy consumption of each production line, and improves product quality.

The technical solution of the utility model: a multi-line float glass production device in one kiln, characterized in that it includes a large-tonnage melting furnace, which is connected with an ultra-thin glass production line through the main cooling part, and the large-tonnage melting furnace is also connected with a road Or multiple large passages, the large passages are connected to the float glass production line through the branch cooling part, and the two sides of the large passages are respectively equipped with temperature and pressure regulators.

In the aforementioned one-furnace multi-line float glass production device, the melting part of the large-tonnage melting furnace is connected with a neck, and the neck is respectively connected with the main cooling part and the large passage.

In the aforementioned one-kiln multi-line float glass production device, the cross-sectional area of the neck is enlarged, and the amplification factor is 1.05-1.25; the area of the main cooling part and the branch cooling part is reduced, and the reduction factor is 0.6-0.95 .

In the aforementioned one-furnace multi-line float glass production device, the melting part of the large-tonnage melting furnace is connected with clamp necks, and the clamp necks are respectively connected with the main cooling part, and the main cooling part is connected with the large passage.

In the aforementioned one-furnace multi-line float glass production device, the melting part of the large-tonnage melting furnace is connected to the main cooling part and the large passage respectively.

In the aforementioned one-furnace multi-line float glass production device, the large-tonnage melting furnace is a melting furnace of more than 500 T/D.

Compared with the prior art, the utility model divides the molten glass in the large-tonnage melting furnace to be used by multiple float glass production lines, so that the large-tonnage melting furnace can stably provide the low energy consumption unique to the large-tonnage melting furnace , High-quality glass liquid, so that the production line can stably produce glasses of different thicknesses and specifications at the same time, reducing the production cost of various specifications of glass. The combination of specially designed clamping neck, large channel and cooling section reduces the direct impact on the cooling section due to fluctuations in the working conditions of the melting section. At the same time, each production line has a relatively independent cooling section, which greatly reduces the return flow of the cooling section to the cooling section. The amount of molten glass in the melting zone. Due to the long length of the large channel, the cross-sectional area of the neck is enlarged (compared with the cross-sectional area of the neck of the same float glass production line in the conventional production line) through comprehensive experiments of various factors, and the amplification factor is 1.05-1.25. The area of the corresponding main cooling section and branch cooling section is reduced (compared with the cooling section area of the same conventional float glass production line), with a reduction factor of 0.6-0.95, to ensure the quality of the glass liquid in the large channel, thereby ensuring the quality of the product. To provide a variety of stable products.

Description of drawings

Fig. 1 is the structural representation of embodiment 1;

Fig. 2 is the structural representation of embodiment 2;

Figure 3 is a schematic structural view of Embodiment 3.

The marks in the drawings are: 10-large tonnage melting furnace, 11-melting part, 12-neck, 13-large passage, 14-main cooling part, 141-branch cooling part, 15-temperature and pressure regulator, 20- Float tin bath, 30-float annealing kiln, 40-float cold end.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and embodiments, but it is not used as a basis for limiting the utility model.

Example 1. One kiln multi-line float glass production device, as shown in Figure 1, includes a large-tonnage melting furnace 10, the melting part 11 of the large-tonnage melting furnace 10 is connected with a clamping neck 12, and the clamping neck 12 is respectively connected to the main cooling part 14 , two large passages 13 are connected; preferably, the cross-sectional area of the neck 12 is enlarged (compared with the cross-sectional area of the neck of the same float glass production line in the conventional way), and the amplification factor is 1.05-1.25, which is equivalent to 1.05-1.25 times the width of the conventional neck; the area of the main cooling section 14 and the branch cooling section 141 is reduced (compared with the cooling section area of the same conventional float glass production line), and the reduction factor is 0.6-0.95. The two sides of the large passage 13 are respectively provided with temperature and pressure regulators 15 . Both the ultra-thin glass production line and the float glass production line include a float bath 20 for a forming section, a float annealing kiln 30 for an annealing section, and a float cold end 40 . The float process tin bath 20, the float process annealing kiln 30, and the float process cold end 40 may be the same or different. Specifically: such as an 800t/d one furnace three-line special glass production line, the width of the neck of the 800t/d melting furnace is enlarged from the conventional 4.2m to 5m, and a 100t/d ultra-thin electronic glass production line is arranged in the middle, and the area of the cooling part is changed from the conventional 40m ² is reduced to 30m ² , with 300t/d automotive glass production line and 400t/d ultra-thick glass production line respectively arranged on both sides, and the area of cooling section is reduced from 80m ² and 110m ² to 50m ² and 70m ² .

Example 2. One kiln multi-line float glass production device is constituted as shown in Figure 2, including a large-tonnage melting furnace 10, the melting part 11 of the large-tonnage melting furnace 10 is connected with a clamp neck 12, and the clamp neck 12 is respectively connected to the main cooling part 14 Connected, the main cooling part 14 is connected with two large passages 13 . Temperature and pressure regulators 15 are respectively provided on both sides of the large passage 13 . Both the ultra-thin glass production line and the float glass production line include a float bath 20 for a forming section, a float annealing kiln 30 for an annealing section, and a float cold end 40 . The float process tin bath 20, the float process annealing kiln 30, and the float process cold end 40 may be the same or different.

Example 3. One kiln multi-line float glass production device is composed as shown in Figure 3, including a large tonnage melting furnace 10, the melting part 11 of the large tonnage melting furnace 10 is connected to the main cooling part 14 and two large passages 13 respectively. The two sides of the large passage 13 are respectively provided with temperature and pressure regulators 15 . Both the ultra-thin glass production line and the float glass production line include a float bath 20 for a forming section, a float annealing kiln 30 for an annealing section, and a float cold end 40 . The float process tin bath 20, the float process annealing kiln 30, and the float process cold end 40 may be the same or different.

The large-tonnage melting furnace 10 described in Embodiments 1, 2 and 3 is a melting furnace of more than 500 T/D.

The utility model is that a part of molten glass produced in a large-tonnage melting furnace is diverted to the ultra-thin glass production line through the main cooling part, and the remaining part is diverted to the float glass production line through one or more large passages through the branch cooling part.

Compared with one kiln and one line, the utility model reduces the direct impact on the cooling part due to the fluctuation of the working condition of the melting part. At the same time, each production line has a relatively independent cooling part, which greatly reduces the amount of molten glass that flows back from the cooling part to the melting part. ; The melting furnace can stably provide low energy consumption and high-quality glass liquid unique to large-tonnage kilns, so that the production line can stably produce glasses of different thicknesses and specifications at the same time, reducing the production cost of various specifications of glass.

Claims (6)

1. the multi-thread float glass device of a kiln, it is characterized in that: comprise large-tonnage melting furnaces (10), large-tonnage melting furnaces (10) are connected with ultra-thin glass production line through main cooling end (14), large-tonnage melting furnaces (10) are also connected with one or more MP major path (13), MP major path (13) is connected with floatation glass production line through branch's cooling end (141), and described MP major path (13) both sides are respectively equipped with temperature, pressure setter (15).

2. the multi-thread float glass device of a kiln according to claim 1, it is characterized in that: the melting end (11) of described large-tonnage melting furnaces (10) is connected with card neck (12), and card neck (12) is connected with main cooling end (14), MP major path (13) respectively.

3. the multi-thread float glass device of a kiln according to claim 2, is characterized in that: the cross-sectional area of described card neck (12) amplifies, and magnification factor is 1.05-1.25; Described main cooling end (14) and the area of branch's cooling end (141) reduce, and reducing the factor is 0.6-0.95.

4. the multi-thread float glass device of a kiln according to claim 1, it is characterized in that: the melting end (11) of described large-tonnage melting furnaces (10) is connected with card neck (12), card neck (12) is connected with main cooling end (14) respectively, and main cooling end (14) is connected with MP major path (13).

5. the multi-thread float glass device of a kiln according to claim 1, is characterized in that: the melting end (11) of described large-tonnage melting furnaces (10) is connected with main cooling end (14), MP major path (13) respectively.

6. the multi-thread float glass device of a kiln according to any one of claim 1-5, is characterized in that: described large-tonnage melting furnaces (10) are the melting furnaces of more than 500T/D.