CN204644136U - Glass line - Google Patents
Glass line Download PDFInfo
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- CN204644136U CN204644136U CN201520377552.4U CN201520377552U CN204644136U CN 204644136 U CN204644136 U CN 204644136U CN 201520377552 U CN201520377552 U CN 201520377552U CN 204644136 U CN204644136 U CN 204644136U
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- working roll
- top working
- glass line
- cooling annealing
- annealing section
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Abstract
The utility model discloses a kind of glass line, the top working roll of its rolling press is linearly contraction-like to both ends from middle part vertically.This glass line is when rolling, can effectively prevent because the temperature of supply channel both sides and the temperature at middle part exist a gradient difference, and being subject to the impact at supply channel direction of travel due to raw material, in the middle part of the sheet material caused, thin both sides are thick, ensure that the planeness of sheet material.On subsequent annealing stove, the second half section of cooling annealing section is installed additional and pumps pipe, waste heat on crystallizing glass sheet material in stove is taken away by pumping pipe by Forced draught blower, and discharged by air draft chimney, thus decrease the exhaust heat time of crystallizing glass sheet material, improve crystallization quality, also have compressed the length of cooling annealing section, make the length cooling annealing section be only 2/5ths of subsequent annealing stove total length, thus reduce cost and the production cost of glass line.
Description
Technical field
The utility model belongs to devitrified glass and manufactures field, particularly a kind of glass line.
Background technology
The steps such as existing glass line comprises smelting furnace, rolling press, subsequent annealing stove etc., and its Production Flow Chart is batching, mixing, fusing, calendering formation, thermal cutting, thermal treatment, cold working, finished product.Usual devitrified glass need carry out Crystallizing treatment at crystallization rail kiln, and is rolled into sheet material by the rolling press at kilneye place.As shown in Figure 1, the top working roll 101 in existing glass line on rolling press and bottom working roll 102 are isodiametric round roller.Raw feed materials road rolling temperature controls between 1050 ° to 1100 °, material road width is 1.5m, because the temperature of supply channel both sides and the temperature at middle part exist a gradient difference during normal binder, and be subject to the impact at supply channel direction of travel due to raw material, the sheet material be pressed into can cause thin both sides in the middle part of sheet material thick, cause the unfairness of plate face, sheet material must be determined by the plate face thickness of thickness thinnest part if will reach certain thickness, later stage also will carry out leveling polished finish to sheet material for this reason, both starting material are wasted like this, in turn increase later stage work amount, cause the increase of production cost.In the subsequent annealing stove of existing glass line, cooling annealing section occupies the half length of whole body of heater.Crystallizing glass sheet material adopts naturally cooling usually in the first half section of cooling annealing section, and cooling time is long, have impact on crystal effect, also causes subsequent annealing stove cost too high, adds production cost.
Utility model content
Technical problem to be solved in the utility model is to provide one and can shortens cooling annealing segment length, reduce production cost, guarantees the glass line that plate is smooth.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of glass line, comprises rolling press and subsequent annealing stove, described rolling press has been arranged side by side top working roll and bottom working roll, and the axis being parallel of described top working roll and described bottom working roll arranges and is in same plane; Described subsequent annealing stove is provided with cooling annealing section, this glass line also comprises:
Pump arm for many, its from described cooling annealing section middle to this cooling annealing section exit distribute along its length, described in pump the entrance of arm towards microcrystal glass plate sheet material;
One pumps house steward, and it is connected with the outlet of pumping arm described in many;
Air draft chimney, it is connected with the described house steward of pumping;
Forced draught blower, its air suction inlet is connected with the described house steward of pumping;
The length of described cooling annealing section is 2/5ths of subsequent annealing stove total length;
Described bottom working roll is isodiametric round roller, described top working roll is linearly contraction-like to both ends from middle part vertically, this top working roll is symmetrical arranged to the middle part of both ends contraction section relative to this top working roll from middle part, and this top working roll both ends equal diameter and diameter in the middle part of described top working roll are greater than the diameter at these top working roll both ends.
Preferably, pump arm described in be uniformly distributed along its length to the exit of this cooling annealing section from the middle of described cooling annealing section.
Preferably, the arrangement density near pumping arm described in described cooling annealing section exit is greater than near the arrangement density of pumping arm described in described cooling annealing section middle.
Preferably, pump described in every root on arm and be provided with one first variable valve.
Preferably, pump described on house steward and be provided with the second variable valve.
Preferably, this glass line also comprises:
Temperature sensor, it is arranged on described cooling annealing section, for monitoring the in-furnace temperature of this cooling annealing section subsequent annealing stove;
Controller, itself and described temperature sensor are electrically connected;
Motor in described Forced draught blower is variable-frequency motor, and described controller and described variable-frequency motor are electrically connected.
Preferably, this glass line also comprises:
Temperature sensor, it is arranged on described cooling annealing section, for monitoring the in-furnace temperature of this cooling annealing section subsequent annealing stove;
Controller, itself and described temperature sensor are electrically connected;
Frequency transformer, itself and described controller are electrically connected;
Motor in described Forced draught blower is asynchronous machine, and this asynchronous machine and described frequency transformer are electrically connected.
Preferably, the length in the middle part of described top working roll is 1/4th of this top working roll total length.
Preferably, the 2mm ~ 5mm larger than the diameter at these top working roll both ends of the diameter in the middle part of described top working roll.
Preferably, the total length of described top working roll is 2000mm, and the length in the middle part of this top working roll is 500mm, the 3mm larger than the diameter at these top working roll both ends of the diameter in the middle part of described top working roll.
A kind of glass line provided by the utility model, the top working roll of its rolling press is linearly contraction-like to both ends from middle part vertically.This glass line is when rolling, can effectively prevent because the temperature of supply channel both sides and the temperature at middle part exist a gradient difference, and being subject to the impact at supply channel direction of travel due to raw material, in the middle part of the sheet material caused, thin both sides are thick, ensure that the planeness of sheet material.On subsequent annealing stove, the second half section of cooling annealing section is installed additional and pumps pipe, waste heat on crystallizing glass sheet material in stove is taken away by pumping pipe by Forced draught blower, and discharged by air draft chimney, thus decrease the exhaust heat time of crystallizing glass sheet material, improve crystallization quality, also have compressed the length of cooling annealing section, make the length cooling annealing section be only 2/5ths of subsequent annealing stove total length, thus reduce cost and the production cost of glass line.
Accompanying drawing explanation
Fig. 1 is the front view of rolling press top working roll and bottom working roll in existing glass line;
The front view of rolling press top working roll and bottom working roll in the glass line that Fig. 2 provides for the utility model embodiment;
The front view of rolling press top working roll in the glass line that Fig. 3 provides for the utility model embodiment;
The partial view of rolling press top working roll in the glass line that Fig. 4 provides for the utility model embodiment;
The schematic diagram of subsequent annealing stove on the glass line that Fig. 5 provides for a kind of embodiment of the utility model;
The schematic diagram of subsequent annealing stove on the glass line that Fig. 6 provides for the another kind of embodiment of the utility model.
In Fig. 1, Reference numeral is: 101 top working rolls, 102 bottom working rolls.
In Fig. 2 to Fig. 6, Reference numeral is: 1 pumps arm, 2 pumps house steward, 3 air draft chimneys, 4 Forced draught blowers, 5 first variable valve, 6 second variable valve, 7 temperature sensors, 8 crystallizing glass sheet materials, 9 top working rolls, 10 bottom working rolls.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
A kind of glass line comprises rolling press and subsequent annealing stove.As shown in Figure 2, rolling press is arranged side by side top working roll 9 and bottom working roll 10, the axis being parallel of top working roll 9 and bottom working roll 10 arranges and is in same plane, bottom working roll 9 is isodiametric round roller, top working roll 9 is linearly contraction-like to both ends from middle part vertically, this top working roll 9 is symmetrical arranged to the middle part of both ends contraction section relative to this top working roll 9 from middle part, and this top working roll 9 both ends equal diameter and diameter in the middle part of top working roll 9 are greater than the diameter at these top working roll 9 both ends.As shown in Figure 5 and Figure 6, subsequent annealing stove is provided with cooling annealing section, pumps arm 1 for many and distribute along its length to the exit of this cooling annealing section from the middle of cooling annealing section, pump the entrance of arm 1 towards crystallizing glass sheet material 8.Pump house steward 2 to be connected with many outlets of pumping arm 1, air draft chimney 3 with pump house steward 2 and be connected, the air suction inlet of Forced draught blower 4 with pump house steward 2 and be connected.The length of cooling annealing section is 2/5ths of subsequent annealing stove total length.This glass line is when rolling, can effectively prevent because the temperature of supply channel both sides and the temperature at middle part exist a gradient difference, and being subject to the impact at supply channel direction of travel due to raw material, in the middle part of the sheet material caused, thin both sides are thick, ensure that the planeness of sheet material.Thus, decrease the workload of follow-up leveling polished finish, also a saving starting material, reduce production cost.The second half section of the cooling annealing section of subsequent annealing stove is installed additional and pumps pipe (pump arm 1 and pump house steward 2), waste heat on crystallizing glass sheet material in stove 8 is taken away by pumping pipe by Forced draught blower 4, and discharged by air draft chimney 3, thus decrease the exhaust heat time of crystallizing glass sheet material 8, improve crystallization quality, also have compressed the length of cooling annealing section, make the length cooling annealing section be only subsequent annealing stove total length 2/5ths (length of subsequent annealing stove is 248m in the present embodiment, changing can increase 24.8m from now on and be used for crystallization), thus reduce cost and the production cost of glass line.
According to the gradient difference of supply channel both sides temperature and middle portion temperature, preferably, the length in the middle part of top working roll 9 is 1/4th of this top working roll 9 total length.So, when rolling, the planeness of sheet material can be adjusted more accurately.
A kind of embodiment, as shown in Figure 3 and Figure 4, the total length of top working roll 9 is 2000mm, and the length in the middle part of this top working roll 9 is 500mm, the 2mm ~ 5mm larger than the diameter at these top working roll 9 both ends of the diameter in the middle part of top working roll 9, in the present embodiment preferred 3mm.So, the sheet metal thickness be pressed into is even, and plate face is smooth, and the qualified sheet material of every square meter can save 0.75 kilogram to 1 kilogram kilogram raw material (by density 2.5g/c ㎡, mean thickness is saved 0.3mm to 0.4mm and calculated).
Because raw feed materials road rolling temperature controls between 1050 ° to 1100 °, therefore, preferably, the working roll that top working roll 9 and bottom working roll 10 are made for high temperature material, the preferred cast iron of this high temperature material or forged steel.
A kind of embodiment, as shown in Figure 5, pumps arm 1 and is uniformly distributed along its length to the exit of this cooling annealing section from the middle of cooling annealing section.So, crystallizing glass sheet material 8 Slow cooling can be made, the crystal effect needed for acquisition.
Another kind of embodiment, as shown in Figure 6, the arrangement density of pumping arm 1 near cooling annealing section middle is greater than the arrangement density of pumping arm 1 near cooling annealing section exit.Thus, first waste heat on crystallizing glass sheet material 8 can be extracted out rapidly in the middle of cooling annealing section, and then slowly extract out, thus obtain required crystal effect.
In order to control the amount of extracting waste heat out, to prevent air draft chimney 3 overheated, cause the shortening in work-ing life of this air draft chimney 3, so, preferably, every root is pumped on arm 1 and is provided with one first variable valve 5, further preferably, pumping on house steward 2 and be provided with the second variable valve 6, controlling pumpability by regulating the first variable valve 5 and/or the second variable valve 6.
In order to the waste heat supply temperature according to crystallizing glass sheet material 8, the rotating speed of adjustment Forced draught blower 4 in good time, to reach energy-saving and cost-reducing object.So at cooling annealing section set temperature sensor 7, for monitoring the in-furnace temperature of this cooling annealing section subsequent annealing stove, the motor in Forced draught blower 4 is variable-frequency motor or is asynchronous machine, and this asynchronous machine and frequency transformer are electrically connected.Variable-frequency motor or frequency transformer, temperature sensor 7 and controller (can select PLC) are electrically connected.Temperature sensor 7 will monitor in-furnace temperature signal transmission to controller, and controller adjusts the rotating speed of cooling blower 3 by adjustment variable-frequency motor or frequency transformer, so that energy-saving and cost-reducing.
Due to work in high temperature environments, therefore, that pumps that arm 1 makes for high temperature material pumps arm, the preferred cast iron of high temperature material or forged steel.
In sum, content of the present utility model is not limited in the above-described embodiments, and those skilled in the art can propose other embodiment easily according to guiding theory of the present utility model, and these embodiments are all included within scope of the present utility model.
Claims (10)
1. a glass line, comprises rolling press and subsequent annealing stove, described rolling press has been arranged side by side top working roll and bottom working roll, and the axis being parallel of described top working roll and described bottom working roll arranges and is in same plane; Described subsequent annealing stove is provided with cooling annealing section, it is characterized in that, also comprise:
Pump arm for many, its from described cooling annealing section middle to this cooling annealing section exit distribute along its length, described in pump the entrance of arm towards microcrystal glass plate sheet material;
One pumps house steward, and it is connected with the outlet of pumping arm described in many;
Air draft chimney, it is connected with the described house steward of pumping;
Forced draught blower, its air suction inlet is connected with the described house steward of pumping;
The length of described cooling annealing section is 2/5ths of subsequent annealing stove total length;
Described bottom working roll is isodiametric round roller, described top working roll is linearly contraction-like to both ends from middle part vertically, this top working roll is symmetrical arranged to the middle part of both ends contraction section relative to this top working roll from middle part, and this top working roll both ends equal diameter and diameter in the middle part of described top working roll are greater than the diameter at these top working roll both ends.
2. glass line according to claim 1, is characterized in that: described in pump arm from described cooling annealing section middle to this cooling annealing section exit be uniformly distributed along its length.
3. glass line according to claim 1, is characterized in that: be greater than the arrangement density near pumping arm described in described cooling annealing section exit near the arrangement density of pumping arm described in described cooling annealing section middle.
4. glass line according to claim 1, is characterized in that: pump on arm described in every root and be provided with one first variable valve.
5. glass line according to claim 1, is characterized in that: described in pump on house steward and be provided with the second variable valve.
6. glass line according to any one of claim 1 to 5, is characterized in that, also comprises:
Temperature sensor, it is arranged on described cooling annealing section, for monitoring the in-furnace temperature of this cooling annealing section subsequent annealing stove;
Controller, itself and described temperature sensor are electrically connected;
Motor in described Forced draught blower is variable-frequency motor, and described controller and described variable-frequency motor are electrically connected.
7. glass line according to any one of claim 1 to 5, is characterized in that, also comprises:
Temperature sensor, it is arranged on described cooling annealing section, for monitoring the in-furnace temperature of this cooling annealing section subsequent annealing stove;
Controller, itself and described temperature sensor are electrically connected;
Frequency transformer, itself and described controller are electrically connected;
Motor in described Forced draught blower is asynchronous machine, and this asynchronous machine and described frequency transformer are electrically connected.
8. glass line according to claim 1, is characterized in that: the length in the middle part of described top working roll is 1/4th of this top working roll total length.
9. glass line according to claim 8, is characterized in that: the 2mm ~ 5mm larger than the diameter at these top working roll both ends of the diameter in the middle part of described top working roll.
10. glass line according to claim 9, is characterized in that: the total length of described top working roll is 2000mm, and the length in the middle part of this top working roll is 500mm, the 3mm larger than the diameter at these top working roll both ends of the diameter in the middle part of described top working roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377552.4U CN204644136U (en) | 2015-06-03 | 2015-06-03 | Glass line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377552.4U CN204644136U (en) | 2015-06-03 | 2015-06-03 | Glass line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204644136U true CN204644136U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520377552.4U Active CN204644136U (en) | 2015-06-03 | 2015-06-03 | Glass line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204644136U (en) |
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2015
- 2015-06-03 CN CN201520377552.4U patent/CN204644136U/en active Active
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| GR01 | Patent grant |