CN201753311U - Float glass annealing kiln and cooling device thereof - Google Patents
Float glass annealing kiln and cooling device thereof Download PDFInfo
- Publication number
- CN201753311U CN201753311U CN2010202554201U CN201020255420U CN201753311U CN 201753311 U CN201753311 U CN 201753311U CN 2010202554201 U CN2010202554201 U CN 2010202554201U CN 201020255420 U CN201020255420 U CN 201020255420U CN 201753311 U CN201753311 U CN 201753311U
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- cooling
- refrigerating unit
- float glass
- annealing furnace
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Abstract
The utility model discloses a float glass annealing kiln and a cooling device thereof. The cooling device is arranged at the edge of the annealing kiln F area and comprises a cooling air pipe and a cooling bellows, wherein the cooling air pipe is led out from a main air pipe in the annealing kiln F area; the cooling bellows is arranged at the side edge of a shell of the annealing kiln F area; and the cooling air pipe and the cooling bellows are connected with a pipeline or/and a hose. The cooling device of the float glass annealing kiln has the advantages that the cooling of the edge of a glass plate is enhanced by blowing to the edge of the glass plate at the forced cooling area of the annealing kiln through an edge moving plate, the plane stress caused by temperature difference in the width direction of a glass ribbon is reduced, the shear stress of the glass plate in the plain edge and impression is weakened, the longitudinal crack and breakage are prevented, and the cutting property is improved.
Description
Technical field
The utility model belongs to the Thermal Equipment technical field, relates to a kind of annealing furnace, relates in particular to a kind of float glass lehr refrigerating unit.
Background technology
Float glass will be passed through processes such as fusing, moulding, annealing, cutting.The annealed correctness directly affects the quality and the output of float glass, and glass must just can meet the requirements of stress and intensity through rational annealing.
Existing float glass line substantially all adopts edge machine to be shaped, yet the thin glass edge portion that edge machine is shaped is than the temperature height at middle part, existence in this temperature difference in annealed zone, to make the glass edge portion after the equilibrium of temperature be subjected to tension stress, the middle part compression chord, after the cutting, timesharing in the glass, polygonal or few angle appears in not feed line, otch.
Have some annealing furnaces to design electrically heated above heat preservation zone sheet glass middle part, be used to reduce the temperature difference on the width, this design has improved the plane stress that the glass ribbon width direction temperature difference causes.But after glass enters cold wind pressure cooling zone, cooling air can cause the thin middle part temperature of sheet glass to descend fast once more, thicker limit portion temperature descends slow, limit portion is with compression chord, the middle part will be subjected to tension stress, the thin more temperature difference of glass is big more, and this moment, easily generation laterally burst problems such as glass ribbon unfairness, flounce, cutting difficulty.When 3mm, the bigger flounce of normal appearance mainly also is this reason.In the thin glass production, the annealing issue handling is bad, can have a strong impact on final product quality and output.
The utility model content
Technical problem to be solved in the utility model is: a kind of float glass lehr refrigerating unit is provided, by strengthening the cooling to glass edges of boards portion, can reduces the plane stress that is caused by the glass ribbon width direction temperature difference.
Simultaneously, the utility model also provides a kind of float glass lehr, by strengthening the cooling to glass edges of boards portion, can reduce the plane stress that is caused by the glass ribbon width direction temperature difference.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of float glass lehr refrigerating unit, described refrigerating unit are arranged at the limit portion in described annealing furnace F district; Described refrigerating unit comprises: the cool wind box that the cooling duct that annealing furnace F district air main is drawn, annealing furnace F district housing side are provided with; Described cooling duct and cool wind box pass through pipeline or/and hose connection.
As a kind of preferred version of the present utility model, the control valve of controlled chilling wind air quantity is set in the described cooling duct.
As a kind of preferred version of the present utility model, described refrigerating unit comprises: mobilizable cool wind box that the cooling duct that annealing furnace F district air main is drawn, annealing furnace F district housing side are provided with.
As a kind of preferred version of the present utility model, design has and is flexible coupling between cooling duct that described air main is drawn and the air main.
As a kind of preferred version of the present utility model, the outer subregion of described cooling duct is with sleeve pipe.
A kind of float glass lehr, the limit portion in described annealing furnace F district is provided with refrigerating unit.
As a kind of preferred version of the present utility model, described refrigerating unit comprises: the cool wind box that the cooling duct that annealing furnace F district air main is drawn, annealing furnace F district housing side are provided with; Described cooling duct and cool wind box pass through pipeline or/and hose connection.
The utility model increases refrigerating unit in F district, the pressure cooling zone limit portion of annealing furnace.Annealing furnace F district air main is drawn branch wind pipe, and other has the mobilizable cool wind box that is contained in the housing both sides, and two-part structure is connected with PVC composition metal flexible pipe or similar flexible pipe by pipeline, constitutes limit portion cooling system.
The beneficial effects of the utility model are: the float glass lehr refrigerating unit that the utility model proposes, glass edges of boards portion is dried with limit portion movable mounting by force the cooling zone at annealing furnace, reinforcement is to the cooling of glass edges of boards portion, reduce the plane stress that causes by the glass ribbon width direction temperature difference, weaken sheet glass shear-stress in plain edge and the teeth mark, prevent lobe, burst, improve cutting property.
Description of drawings
Fig. 1 is the structural representation of the utility model float glass lehr.
Fig. 2 is the synoptic diagram that flows to of float glass lehr internal cooling wind.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1, Fig. 2, the utility model has disclosed a kind of float glass lehr and refrigerating unit thereof, and the limit portion in described annealing furnace F district is provided with refrigerating unit.Described refrigerating unit comprises: the cool wind box 5 that the cooling duct 3 that annealing furnace F district air main 1 is drawn, annealing furnace F district housing side are provided with, cool wind box 5 is movable.Design has and is flexible coupling 6 between cooling duct 5 that described air main 1 is drawn and the air main 1, and described cooling duct 3 and cool wind box 5 connect by pipeline, and in this present embodiment, the pipeline that connects cooling duct 3 and cool wind box 5 is a composite soft tube 4.The control valve 2 of controlled chilling wind air quantity is set in the described cooling duct 3, and described cooling duct 5 outer subregions are with sleeve pipe 7.
As Fig. 1, shown in Figure 2, arrow indicates the flow direction of cooling air, and cooling air is drawn from air main, by each parts in the limit portion cooling system, finally arrives glass plate edge successively, strengthens the cooling of opposite side portion.
The principle of the utility model cooling system is: force the cooling zone with limit portion movable mounting glass edges of boards portion to be dried at annealing furnace, reinforcement is to the cooling of glass edges of boards portion, reduce the plane stress that causes by the glass ribbon width direction temperature difference, weaken sheet glass shear-stress in plain edge and the teeth mark, prevent lobe, burst, improve cutting property.
Design has and is flexible coupling between cooling duct of drawing from air main and the air main, can reduce the influence of the vibration of high-power blower to pipeline; Design has control valve to come the air quantity of controlled chilling wind in addition, the position that is installed in the cool wind box of housing both sides is adjustable, cooling air quantity size and cool wind box position can be regulated according to the demand in the actual production, when bellows are adjusted to correct position, there is a bolt to be used for fixing the position of bellows.
In sum, the float glass lehr refrigerating unit that the utility model proposes, glass edges of boards portion is dried with limit portion movable mounting by force the cooling zone at annealing furnace, reinforcement is to the cooling of glass edges of boards portion, reduce the plane stress that causes by the glass ribbon width direction temperature difference, weaken sheet glass shear-stress in plain edge and the teeth mark, prevent lobe, burst, improve cutting property.
Here description of the present utility model and application are illustrative, are not to want with scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change are possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present utility model or essential characteristic, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the utility model scope and spirit, can carry out other distortion and change here to disclosed embodiment.
Claims (7)
1. float glass lehr refrigerating unit, it is characterized in that: described refrigerating unit is arranged at the limit portion in described annealing furnace F district;
Described refrigerating unit comprises: the cool wind box that the cooling duct that annealing furnace F district air main is drawn, annealing furnace F district housing side are provided with; Described cooling duct and cool wind box connect by pipeline.
2. float glass lehr refrigerating unit according to claim 1 is characterized in that:
The control valve of controlled chilling wind air quantity is set in the described cooling duct.
3. float glass lehr refrigerating unit according to claim 1 is characterized in that:
Described refrigerating unit comprises: mobilizable cool wind box that the cooling duct that annealing furnace F district air main is drawn, annealing furnace F district housing side are provided with.
4. float glass lehr refrigerating unit according to claim 1 is characterized in that:
Design to have between cooling duct that described air main is drawn and the air main and be flexible coupling.
5. float glass lehr refrigerating unit according to claim 1 is characterized in that:
The outer subregion of described cooling duct is with sleeve pipe.
6. float glass lehr, it is characterized in that: the limit portion in described annealing furnace F district is provided with refrigerating unit.
7. float glass lehr according to claim 6 is characterized in that:
Described refrigerating unit comprises: the cool wind box that the cooling duct that annealing furnace F district air main is drawn, annealing furnace F district housing side are provided with; Described cooling duct and cool wind box connect by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202554201U CN201753311U (en) | 2010-07-13 | 2010-07-13 | Float glass annealing kiln and cooling device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202554201U CN201753311U (en) | 2010-07-13 | 2010-07-13 | Float glass annealing kiln and cooling device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201753311U true CN201753311U (en) | 2011-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202554201U Expired - Fee Related CN201753311U (en) | 2010-07-13 | 2010-07-13 | Float glass annealing kiln and cooling device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN201753311U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265165A (en) * | 2013-05-17 | 2013-08-28 | 中国建材国际工程集团有限公司 | Double fair current annealing technology for float glass annealing furnace area A |
| CN103922575A (en) * | 2014-04-02 | 2014-07-16 | 洛阳建材机械厂 | Energy-saving system of cooling air hose of glass annealing kiln and cooling method of glass tape |
| CN104310764A (en) * | 2014-10-10 | 2015-01-28 | 福耀玻璃工业集团股份有限公司 | Continuous bending furnace |
| CN105502901A (en) * | 2016-01-28 | 2016-04-20 | 中国建材国际工程集团有限公司 | U-shaped glass annealing furnace heat preservation area edge part cooling method and device |
-
2010
- 2010-07-13 CN CN2010202554201U patent/CN201753311U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265165A (en) * | 2013-05-17 | 2013-08-28 | 中国建材国际工程集团有限公司 | Double fair current annealing technology for float glass annealing furnace area A |
| CN103265165B (en) * | 2013-05-17 | 2016-08-03 | 中国建材国际工程集团有限公司 | The double following current annealing process in float glass lehr A district |
| CN103922575A (en) * | 2014-04-02 | 2014-07-16 | 洛阳建材机械厂 | Energy-saving system of cooling air hose of glass annealing kiln and cooling method of glass tape |
| CN103922575B (en) * | 2014-04-02 | 2017-01-11 | 洛阳建材机械厂 | Energy-saving system of cooling air hose of glass annealing kiln and cooling method of glass tape |
| CN104310764A (en) * | 2014-10-10 | 2015-01-28 | 福耀玻璃工业集团股份有限公司 | Continuous bending furnace |
| CN105502901A (en) * | 2016-01-28 | 2016-04-20 | 中国建材国际工程集团有限公司 | U-shaped glass annealing furnace heat preservation area edge part cooling method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201901 Shanghai city Baoshan District Wenchuan Road No. 1398 Patentee after: Fives Stein Metallurgical Technology (Shanghai) Co. Ltd. Address before: 201901 Shanghai city Baoshan District Wenchuan Road No. 1398 Patentee before: STEIN (SHANGHAI) INDUSTRIAL FURNACE CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110302 Termination date: 20180713 |