CN111018315A - Glass tank furnace thermal expansion adjusting device and method - Google Patents
Glass tank furnace thermal expansion adjusting device and method Download PDFInfo
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- CN111018315A CN111018315A CN201911404325.5A CN201911404325A CN111018315A CN 111018315 A CN111018315 A CN 111018315A CN 201911404325 A CN201911404325 A CN 201911404325A CN 111018315 A CN111018315 A CN 111018315A
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- adjusting
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- thermal expansion
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention relates to a thermal expansion adjusting device of a glass tank furnace, which comprises an adjusting bolt, a fixed column, a release brace and an adjusting nut; the upright posts are symmetrically arranged at two sides of the glass tank furnace and are positioned and fixed on a bottom platform of the glass tank furnace through positioning bolts; the fixed columns are respectively and fixedly connected to bottom platforms on the outer sides of the upright columns on the two sides of the tank furnace; the adjusting bolt is in threaded connection with the fixed column, and the end of the screw rod is pressed against the bottom of the upright column on the same side; threads are arranged at two ends of the loosening brace, and two ends of the loosening brace penetrate through the upper parts of the stand columns on two sides of the tank furnace respectively to be connected with adjusting nuts. According to the method for the thermal expansion adjusting device of the glass tank furnace, the bottom positioning bolt is disassembled, the adjusting screw rod and the loosening state of the brace are adjusted by rotating the adjusting bolt and the adjusting nut, so that the upright post of the tank furnace is continuously moved and adjusted, and the structural deformation caused by the expansion problem of the tank furnace is effectively solved.
Description
Technical Field
The invention relates to the technical field of TFT-LCD glass substrate manufacturing, in particular to a glass tank furnace thermal expansion adjusting device and method.
Background
In the glass substrate production industry, a tank furnace is a main heating and melting device. The pool furnace is generally built by using steel structural members as supporting members and using refractory materials, and then a main crown is adopted for capping. The tank furnace upright post is used for supporting refractory bricks, and glass raw materials in the furnace are heated and melted by two modes of natural gas and electrodes. The highest working temperature of the glass substrate tank furnace is stabilized at 1600 ℃, the tank furnace can generate a certain expansion effect in the temperature rising stage, and the main arch and the side walls of the tank furnace can generate acting force to the outside under the action of thermal expansion. Because the upright columns at the bottom of the tank furnace are fixed, the upper parts of the upright columns can be bent outwards under the expansion action of the tank furnace, and the upright columns at the two sides can deform under the action of thermal expansion. This results in deformation of the support platform supporting the crown, which can cause deformation of the tank structure and adversely affect temperature and pressure control.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a device and a method for adjusting the thermal expansion of a glass tank furnace, which have simple structure and effectively solve the problem of structural deformation of a stand column caused by the expansion of the tank furnace.
The invention is realized by the following technical scheme:
a glass tank furnace thermal expansion adjusting device comprises an adjusting bolt, a fixed column, a release brace and an adjusting nut;
the upright posts are symmetrically arranged at two sides of the glass tank furnace and are positioned and fixed on a bottom platform of the glass tank furnace through positioning bolts;
the fixed columns are respectively and fixedly connected to bottom platforms on the outer sides of the upright columns on the two sides of the tank furnace; the adjusting bolt is in threaded connection with the fixed column, and the end of the screw rod is pressed against the bottom of the upright column on the same side;
threads are arranged at two ends of the loosening brace, and two ends of the loosening brace penetrate through the upper parts of the stand columns on two sides of the tank furnace respectively to be connected with adjusting nuts.
Preferably, the adjusting bolt is parallel to the bottom platform and the fixing wing plate.
Preferably, the length of the release brace is not less than the distance between the upright columns on the two sides of the tank furnace after the release brace is heated, expanded and moved.
Preferably, the distance between the fixed column and the upright column is not less than the heat expansion moving distance of the upright column on the same side.
Preferably, the length of the screw of the adjusting bolt is not less than the distance between the fixing column and the upright column on the same side.
Preferably, the clamping device further comprises fixed wing plates, and every two fixed wing plates are respectively fixed on the bottom platform along the thermal expansion moving direction to form a clamping chamber; the clamping chambers are in one-to-one corresponding inserting fit with the upright columns, and the upright columns are connected with the fixed wing plates through positioning bolts.
Preferably, the bottom of the upright post is provided with a convex block, the bottom platform is provided with a sliding groove, and the convex block is embedded into the sliding groove, so that the upright post moves along the thermal expansion direction.
A method for a glass tank furnace thermal expansion adjusting device is based on any one of the glass tank furnace thermal expansion adjusting device; before the tank furnace is heated up, the bottom positioning bolt is detached, the adjusting screw rod is adjusted and the tightness state of the brace is loosened by rotating the adjusting bolt and the adjusting nut, so that the stand column can move under the action of expansion force, and the expansion force is released before the stand column deforms under the stress.
Preferably, the tightening state adjusting method specifically comprises:
step 1: before the temperature of the tank furnace is raised, detaching a positioning bolt at the bottom, locking adjusting nuts and adjusting screws at two sides of the tank furnace, enabling the adjusting screws to tightly push the upright post, fixing a loosening brace by the adjusting nuts, and limiting the upright post to move;
step 2: the temperature of the tank furnace rises by 200 ℃, the adjusting screw rod is rotated for a plurality of circles to move outwards; then the adjusting nut is rotated to release the expansion force, and the tightening screw and the loosening brace at the bottom of the upright post are still in a locking state in the adjusting process;
and step 3: and (5) repeating the step (2), sequentially releasing the expansion force step by step until the temperature of the tank furnace rises to the highest temperature, stopping adjustment after the expansion is in a stable state, and locking the adjusting screw rod and the brace nut.
Preferably, the method for adjusting the loosening state specifically comprises the following steps:
step 1: before the temperature of the tank furnace is raised, the bottom positioning bolt is disassembled, the bottom adjusting screw rod and the top adjusting nut are loosened, the adjusting screw rod and the loosening brace are in a loosening state, and when the temperature of the tank furnace is raised, the upright post moves outwards under the expansion force to tightly push the adjusting screw rod and the loosening brace;
step 2: and after the temperature of the tank furnace rises to the highest temperature and the expansion is in a stable state, the adjusting bolt and the adjusting nut are rotated to release the expansion force and keep the adjusting bolt and the loosening brace in a locking state.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to a thermal expansion adjusting device of a glass tank furnace, which adopts a positioning bolt to detachably fix an upright post, realizes that the upright post can move when being heated, and enables the upright post of the tank furnace to carry out continuous movement adjustment by rotating an adjusting bolt and an adjusting nut, so that the tank furnace cannot generate structural deformation in the expansion process.
Furthermore, the adjusting bolt is parallel to the bottom platform, so that the jacking direction is ensured, and deviation is avoided.
Furthermore, the length of the loosening brace is not less than the distance between the upright columns on the two sides of the tank furnace after the loosening brace is heated, expanded and moved, and the upper parts of the upright columns on the two sides of the tank furnace are ensured to be stable enough.
Furthermore, the distance between the fixed column and the upright column is not less than the thermal expansion moving distance of the upright column at the same side, so that the sufficient thermal expansion moving distance of the upright column is ensured.
Furthermore, the length of the screw rod of the adjusting bolt is not less than the distance between the fixing column and the upright column on the same side, so that sufficient jacking force is provided.
Furthermore, the device also comprises fixed wing plates, wherein every two fixed wing plates are respectively fixed on the bottom platform along the thermal expansion moving direction to form a clamping chamber; the clamping bins are in one-to-one corresponding inserting fit with the upright columns, and the upright columns are connected with the fixed wing plates through positioning bolts; through fixed pterygoid lamina and positioning bolt fixed column, the part is few, and the bolt is dismantled conveniently, and fixed pterygoid lamina can guarantee stand moving direction, increases stability.
Further, the bottom of the stand column is provided with a convex block, the bottom platform is provided with a sliding groove, and the convex block is embedded into the sliding groove, so that the stand column moves along the thermal expansion direction, the moving direction of the stand column is ensured, the stability in the moving process is increased, and the bottom friction force in the moving process of the stand column is reduced.
According to the method for the thermal expansion adjusting device of the glass tank furnace, the bottom positioning bolt is disassembled, the adjusting screw rod and the loosening state of the brace are adjusted by rotating the adjusting bolt and the adjusting nut, so that the upright post of the tank furnace is continuously moved and adjusted, and the structural deformation caused by the expansion problem of the tank furnace is effectively solved.
Furthermore, before the temperature of the tank furnace is raised, the bottom positioning bolt is disassembled, the adjusting nuts and the adjusting screws on the two sides of the tank furnace are locked, so that the adjusting screws tightly support the upright post, the adjusting nuts fix the loosening brace and limit the movement of the upright post; the temperature of the tank furnace rises by 200 ℃, the adjusting screw rod is rotated for a plurality of circles to move outwards; then the adjusting nut is rotated to release the expansion force, and the tightening screw and the loosening brace at the bottom of the upright post are still in a locking state in the adjusting process; and repeating the operation, sequentially releasing the expansion force step by step until the temperature of the tank furnace rises to the highest temperature, stopping adjustment after the expansion is in a stable state, and locking the adjusting screw rod and the brace nut. The stress condition can be observed in real time, the adjusting range is controlled, and the adjusting effect is ensured.
Furthermore, before the temperature of the tank furnace is raised, the bottom positioning bolt is disassembled, the bottom adjusting screw rod and the top adjusting nut are loosened, the adjusting screw rod and the loosening brace are in a loosening state, and when the temperature of the tank furnace is raised, the upright post moves outwards under the expansion force to tightly push the adjusting screw rod and the loosening brace; and after the temperature of the tank furnace rises to the highest temperature and the expansion is in a stable state, the adjusting bolt and the adjusting nut are rotated to release the expansion force and keep the adjusting bolt and the loosening brace in a locking state. The operation is simple, and the operation time is saved.
Drawings
FIG. 1 is a schematic structural view of a thermal expansion adjusting device for a glass tank furnace according to the present invention;
FIG. 2 is a schematic view showing the adjustment of the thermal expansion adjusting apparatus for a glass tank furnace according to the present invention.
In the figure: 1 is an adjusting screw; 2 is a fixed column; 3 is a positioning bolt; 4 is a supporting platform; 5 is a column; 6 is a locking bolt; 7 is a skewback; 8 is a release brace; 9 is a big arch; 10 is a side wall; 11 is a supporting brick; 12 is an adjusting nut; and 13 is a fixed wing plate.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
The first embodiment is as follows:
as shown in figure 1, the thermal expansion adjusting device of the glass tank furnace is characterized in that figure 1 shows that the device is in a fixed state before the temperature of the glass tank furnace is raised, the glass tank furnace is arranged on a bottom platform, upright columns 5 are symmetrically arranged on two sides of the glass tank furnace, fixing wing plates 13 are arranged at the bottom of the upright columns 5, every two fixing wing plates 13 are respectively fixed on the bottom platform on two sides of the glass tank furnace along the moving direction of thermal expansion to form clamping bins, the clamping bins are correspondingly inserted and matched with the upright columns 5 one by one, and the upright columns 5 and the fixing wing plates 13 are connected and fixed on the bottom platform through positioning bolts 3; the fixed column 2 is fixedly connected to a bottom platform in the moving direction of the upright column 5, a threaded hole is formed in the middle of the fixed column 2, the adjusting bolt 1 penetrates through the threaded hole of the fixed column 2, the end part of the screw rod of the adjusting bolt 1 is propped against the bottom of the upright column 5, and the end part of the screw rod of the adjusting bolt 1 is vertically contacted with the upright column 5 of the tank furnace; the skewback 7 is fixed on the upright post 5 through the locking bolt 6, the supporting platform 4 is fixed on the upright post 5 through the locking bolt 3, the supporting platform 4 supports the supporting brick 11, the side wall 10 of the pool furnace is stabilized, and the skewback 7 locks the stabilizing big skewback 9. The loosening brace 8 is provided with threads, the upper portion of the stand column 5 is provided with a through hole, the loosening brace 8 penetrates through the through hole to be in threaded connection with the adjusting nut, and the loosening brace 8 is connected with the stand columns 5 on two sides. The connection height of the loosening brace 8 is larger than that of the main arch 9, the distance between the fixed column 2 and the upright column 5 is not smaller than the thermal expansion distance of the upright column 5, and the length of the screw rod of the adjusting bolt 1 is not smaller than the distance between the fixed column 2 and the upright column 5.
As shown in figure 2, in the thermal expansion process of the glass tank furnace, a bottom positioning bolt 3 is firstly disassembled, an adjustable adjusting screw 1 tightly props the bottom of an upright post 5, the bottom of the upright post 5 can freely move under the action of the adjusting screw 1, a supporting brick 11 is supported by a supporting platform 4, a side wall 10 of the tank furnace is stabilized, and a big arch 9 is locked at the upper part of the upright post 5 by a release brace 8. When rising along with the pool stove temperature, can suitably adopt the spanner to adjust upper portion adjusting nut 12 and bottom adjusting bolt 1, stand 5 upper portion and bottom all can remove under the effect of inflation power, support base 4 and just can not produce the stick up foot phenomenon to can not produce destruction to the pool stove structure, not influence concrete production. The centre gripping storehouse that fixed pterygoid lamina 13 formed more than plays the fixed action, when the thermal expansion removes, guarantees stand 5 moving direction, plays the effect of slide rail, has improved the stand 5 stability of removal in-process.
Example two: on the basis of the first embodiment, the present embodiment is optimized as follows, the bottom of the upright post 5 is further provided with a convex block, the bottom platform is provided with a sliding groove, and the convex block is embedded into the sliding groove, so that the upright post 5 moves along the thermal expansion direction.
The lug and the sliding groove arranged at the bottom of the upright post 5 ensure the moving direction and improve the stability of the upright post 5 in the moving process in the whole thermal expansion process.
The invention discloses a method of a glass tank furnace thermal expansion adjusting device, which comprises the following steps: the bottom positioning bolt 3 is disassembled, and the tightness states of the adjusting screw rod 1 and the loosening brace 8 are adjusted by rotating the adjusting bolt 1 and the adjusting nut 12, so that the upright post 5 can move under the action of expansion force.
In a specific embodiment, the invention discloses a method for adjusting the tightening state of a glass tank furnace thermal expansion adjusting device, which comprises the following steps: before the temperature of the tank furnace is raised, the bottom positioning bolt 3 is disassembled, the adjusting nut 12 and the adjusting screw rod 1 are locked, the adjusting screw rod 1 tightly pushes the upright post 5, the adjusting nut 12 fixes the loosening brace 8, and the movement of the upright post 5 is limited. When the temperature of the tank furnace rises by 200 ℃, firstly rotating the adjusting screw rod 1 for a plurality of circles to enable the adjusting screw rod 1 to move outwards; the adjusting nut 12 is rotated again to release a certain expansion force, but the tightening screw 1 and the loosening brace 8 at the bottom of the upright post 5 are still in a locking state. And repeating the operation until the temperature of the tank furnace rises to the highest temperature, stopping adjustment after the expansion is in a stable state, and locking the adjusting screw rod 1 and the brace nut 8.
In a specific embodiment, the invention discloses a method for adjusting the loosening state of a thermal expansion adjusting device of a glass tank furnace, which comprises the following steps: before the tank furnace heaies up, dismantle bottom positioning bolt 3, release bottom adjusting screw 1 and top adjusting nut 12, let adjusting screw 1 and release brace 8 be in the unclamping state, when the tank furnace heaies up, stand 5 receives the expansive force to move to the outside, lock adjusting screw 1 and release brace 8, wait for the tank furnace temperature to rise to the highest temperature, the inflation is in stable state back, rotatory adjusting bolt 1 and adjusting nut 12 again, release certain expansive force, nevertheless adjusting bolt 1 and release brace 8 still are in the locking state.
Claims (10)
1. A glass tank furnace thermal expansion adjusting device is characterized in that: comprises an adjusting bolt (1), a fixing column (2), a loosening brace (8) and an adjusting nut (12);
the upright posts (5) are symmetrically arranged at two sides of the glass tank furnace, and the upright posts (5) are positioned and fixed on a bottom platform of the glass tank furnace through positioning bolts (3);
the fixed columns (2) are respectively and fixedly connected to bottom platforms outside the upright columns (5) on two sides of the tank furnace; the adjusting bolt (1) is in threaded connection with the fixed column (2), and the end of the screw rod is pressed against the bottom of the upright column (5) on the same side;
threads are arranged at two ends of the loosening brace (8), and two ends of the loosening brace (8) penetrate through the upper parts of the upright columns (5) on two sides of the tank furnace respectively to be connected with adjusting nuts (12).
2. A glass tank furnace thermal expansion adjustment device according to claim 1, characterized in that: the adjusting bolt (1) is parallel to the bottom platform and the fixed wing plate (13).
3. A glass tank furnace thermal expansion adjustment device according to claim 1, characterized in that: the length of the loosening brace (8) is not less than the distance between the upright posts (5) on two sides of the tank furnace after the tank furnace is heated, expanded and moved.
4. A glass tank furnace thermal expansion adjustment device according to claim 1, characterized in that: the distance between the fixed column (2) and the upright column (5) is not less than the thermal expansion moving distance of the upright column (5) on the same side.
5. A glass tank furnace thermal expansion adjustment device according to claim 1, characterized in that: the length of the screw of the adjusting bolt (1) is not less than the distance between the fixing column (2) and the upright column (5) on the same side.
6. A glass tank furnace thermal expansion adjustment device according to claim 1, characterized in that: the clamping device also comprises fixed wing plates (13), wherein every two fixed wing plates (13) are respectively fixed on the bottom platform along the thermal expansion moving direction to form a clamping chamber; the clamping chambers are in one-to-one corresponding inserting fit with the upright columns (5), and the upright columns (5) are connected with the fixed wing plates (13) through the positioning bolts (3).
7. A glass tank furnace thermal expansion adjustment device according to claim 1, characterized in that: the bottom of the upright post (5) is provided with a convex block, the bottom platform is provided with a sliding groove, and the convex block is embedded into the sliding groove, so that the upright post (5) moves along the thermal expansion direction.
8. A method for a glass tank furnace thermal expansion adjusting device is characterized in that: a glass tank furnace thermal expansion adjusting device based on any one of claims 1 to 7; before the temperature of the tank furnace is raised, the bottom positioning bolt (3) is disassembled, the adjusting screw (1) and the loosening state of the brace (8) are adjusted by rotating the adjusting bolt (1) and the adjusting nut (12), so that the upright post (5) can move under the action of expansion force, and the expansion force is released before the upright post (5) is stressed and deformed.
9. The method of claim 8, wherein the step of adjusting the thermal expansion of the glass tank furnace comprises: the tightening state adjusting method specifically comprises the following steps:
step 1: before the temperature of the tank furnace is raised, the bottom positioning bolt (3) is disassembled, the adjusting nuts (12) and the adjusting screw rods (1) on the two sides of the tank furnace are locked, so that the adjusting screw rods (1) tightly push the upright post (5), the adjusting nuts (12) fix the loosening brace (8) and limit the movement of the upright post (5);
step 2: the temperature of the tank furnace rises by 200 ℃, the adjusting screw rod (1) is rotated for a plurality of circles, and the adjusting screw rod (1) moves outwards; then the adjusting nut (12) is rotated to release the expansion force, and the tightening screw (1) and the loosening brace (8) at the bottom of the upright post (5) are still in a locking state in the adjusting process;
and step 3: and (3) repeating the step (2), sequentially releasing the expansion force step by step until the temperature of the tank furnace rises to the highest temperature, stopping adjustment after the expansion is in a stable state, and locking the adjusting screw rod (1) and the brace nut (8).
10. The method of claim 8, wherein the step of adjusting the thermal expansion of the glass tank furnace comprises: the method for adjusting the loosening state comprises the following specific steps:
step 1: before the temperature of the tank furnace rises, a bottom positioning bolt (3) is disassembled, a bottom adjusting screw rod (1) and a top adjusting nut (12) are loosened, the adjusting screw rod (1) and a loosening brace (8) are in a loosening state, when the temperature of the tank furnace rises, an upright post (5) moves outwards under the expansion force, and the adjusting screw rod (1) and the loosening brace (8) are tightly pushed;
step 2: after the temperature of the tank furnace rises to the highest temperature and the expansion is in a stable state, the adjusting bolt (1) and the adjusting nut (12) are rotated to release the expansion force and keep the adjusting bolt (1) and the loosening brace (8) in a locking state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911404325.5A CN111018315B (en) | 2019-12-30 | 2019-12-30 | Device and method for adjusting thermal expansion of glass tank furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911404325.5A CN111018315B (en) | 2019-12-30 | 2019-12-30 | Device and method for adjusting thermal expansion of glass tank furnace |
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| CN111018315A true CN111018315A (en) | 2020-04-17 |
| CN111018315B CN111018315B (en) | 2023-09-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114538753A (en) * | 2022-02-24 | 2022-05-27 | 彩虹显示器件股份有限公司 | Adjusting device and method for crown of electronic glass kiln and electronic glass kiln |
| CN114543533A (en) * | 2022-01-29 | 2022-05-27 | 大冶有色金属有限责任公司 | Auxiliary device for tensioning and loosening pull rod and using method thereof |
| CN115667161A (en) * | 2020-06-03 | 2023-01-31 | 康宁公司 | Improved slot drawing process |
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| CN114538753B (en) * | 2022-02-24 | 2023-12-26 | 彩虹显示器件股份有限公司 | Device and method for adjusting crown of glass kiln and electronic glass kiln |
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| CN111018315B (en) | 2023-09-22 |
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