CN202400959U - Toughening furnace - Google Patents
Toughening furnace Download PDFInfo
- Publication number
- CN202400959U CN202400959U CN2011205710691U CN201120571069U CN202400959U CN 202400959 U CN202400959 U CN 202400959U CN 2011205710691 U CN2011205710691 U CN 2011205710691U CN 201120571069 U CN201120571069 U CN 201120571069U CN 202400959 U CN202400959 U CN 202400959U
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- flow fan
- convection flow
- intake passage
- air intake
- furnace
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Abstract
The utility model discloses a toughening furnace, which comprises a main furnace and an internal circulating forced convection device, wherein according to the internal circulating forced convection device, two high-temperature resistant convection fans are arranged on the upper part of a heating furnace body of the toughening furnace; closed internal circulation is performed by using a pipeline in the furnace; and a mesh jet flow technology is adopted directly, so that ejected hot air flows forcibly, and heat is transferred to the upper surface of glass by air flow. By using the toughening furnace, forced convection can be increased to overcome heat reflection of a Low-E membrane, so that the integral Low-E membrane is heated symmetrically and uniformly up and down; and a structure of an integral transformed system is positioned outside a hearth, so the system is simple, convenient to maintain, and low in failure rate and subsequent maintenance cost, professional maintenance skills are not required, and the production cost is saved.
Description
Technical field
The utility model relates to a kind of annealing furnace.
Background technology
The heat balance device of existing northern glass stove (being the heat balance device in a kind of horizontal annealing furnace) is used for belonging to the combustion equipment technical field among the horizontal roller formula toughened glass electrical heater working zone.Be provided with the radial lamella of tiling groove-like at interval on annealing furnace top; The heater strip element of band vitrified pipe is housed on radial lamella; And below radial lamella, being equiped with horizontal thermal equilibrium tracheae, air pipe outlet is less, so that can keep bigger air quantity; The bottom then is on heating unit, to be stamped one deck steel watt, tiling ceramic roller at interval above the steel watt.This structure can solve the processing requirement of even heating in the glass tempering; Can make thermal radiation evenly circulation in stove, reach the optimal heat counterbalance effect of annealing furnace; The energy-saving effect of this tempering electric furnace is obvious; Can protect the intravital heating unit of lower furnace, reduce the fault frequency of process furnace, and can realize safety, efficient.
Along with the development of domestic coating technique, but Low-E glass (low emissivity glass) kind of tempering is more and more, aspect power save parameters, meets national requirements simultaneously, has quickened the application in Low-E glass market.But; Because the high reflectivity characteristics of Low-E glass face, with existing radiation heating system, its source of radiation must be pressed close to glass very much; So just have the limit portion that great amount of heat is radiated glass; Cause the overheated of glass edge, angle part, cause the unstable of glass quality and the picture frame effect on face, occurs, promptly common to coloured stress pattern occurs in corners; And because the high reflectivity of Low-E glass face, when adopting traditional radiation furnace tempering Low-E glass, increase heat-up time greatly, and production cost is higher, production efficiency is lower; And because coated glass and Low-E film glass for fear of the damage of roller-way to rete, generally face up rete, this just makes original up and down asymmetric roller bed type annealing furnace heating more asymmetric.
Therefore, prior art awaits to improve and development.
Summary of the invention
The purpose of the utility model is to provide a kind of annealing furnace; It is asymmetric to be intended to solve existing roller bed type annealing furnace heating, can not satisfy the quality requirements of Low-E glass heats, and during heating tempering Low-E glass; Increase heat-up time greatly, the problem that production cost is higher, production efficiency is lower.
The technical scheme of the utility model is following: a kind of annealing furnace, wherein, comprise main stove and internal recycle forced convection device, wherein:
Said main stove comprises furnace roof, body of heater, first air intake passage, second air intake passage, thermal equilibrium tracheae and central processing system; Said first air intake passage, second air intake passage are arranged on the position of furnace roof both sides near the bottom; A bottom and an end that said thermal equilibrium tracheae is evenly distributed on furnace roof are connected on first air intake passage or second air intake passage, and the other end is airtight;
Said internal recycle forced convection device comprises convection flow fan, convection flow fan motor, induced exhaust and air outlet; Said convection flow fan is arranged on the furnace roof; Said convection flow fan is communicated with first air intake passage, second air intake passage; Said induced exhaust one end is connected with said convection flow fan, and an end passes furnace roof and stretches in the body of heater, and said air outlet is arranged on the thermal equilibrium tracheae equably; Said convection flow fan is connected with the convection flow fan motor, and said convection flow fan motor is connected with said central processing system.
Described annealing furnace, wherein, said convection flow fan, convection flow fan motor and induced exhaust are provided with a plurality of.
Described annealing furnace, wherein, said convection flow fan motor is selected frequency control motor for use.
Described annealing furnace, wherein, said air outlet is arranged on the thermal equilibrium tracheae with mesh-shape equably.
The beneficial effect of the utility model: the utility model increases the heat reflection that forced convection can overcome the Low-E film through a kind of annealing furnace is provided, and makes heating symmetry, evenly whole up and down; And transform the whole modernization system structure in back all outside burner hearth, and system is succinct, need not the maintenance skills of specialty especially, convenient for maintaining, and failure rate is low, and follow-up maintenance cost is very low, has saved production cost.
Description of drawings
Fig. 1 is the front view of a kind of annealing furnace in the utility model.
Fig. 2 is the top construction upward view of a kind of annealing furnace in the utility model.
Fig. 3 is the vertical view of a kind of annealing furnace in the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, clear and definite, below develop simultaneously embodiment to the utility model further explain with reference to accompanying drawing.
Like Fig. 1, Fig. 2, shown in Figure 3, the annealing furnace of the utility model comprises main stove 100 and internal recycle forced convection device 200.Said main stove 100 comprises furnace roof 101, body of heater 102, first air intake passage 103, second air intake passage 104, thermal equilibrium tracheae 105 and central processing system 106; Said first air intake passage 103, second air intake passage 104 are arranged on the position of furnace roof 101 both sides near the bottom; A bottom and an end that said thermal equilibrium tracheae 105 is evenly distributed on furnace roof 101 are connected on first air intake passage 103 or second air intake passage 104; The other end is airtight; Said thermal equilibrium tracheae 105 communicates respectively with between first air intake passage 103, second air intake passage 104, the operation of the whole annealing furnace toughened glass of said central processing system 106 controls.
Said internal recycle forced convection device 200 comprises convection flow fan, convection flow fan motor, induced exhaust and air outlet.In order to obtain internal recycle effect better, said convection flow fan, induced exhaust and convection flow fan motor can be provided with a plurality of according to actual needs.
Preferably being set in the present embodiment: said convection flow fan is provided with two, comprises first convection flow fan 201, second convection flow fan 202, first induced exhaust 203, second induced exhaust 204 and air outlet 205.Said comprise first convection flow fan 201, second convection flow fan 202 be arranged on furnace roof 101 above; Said first convection flow fan 201 is connected with second air intake passage 104; Second convection flow fan 202 is communicated with first air intake passage 103, and convection flow fan is communicated with through ventilator trunk with intake stack in the present embodiment; Said first induced exhaust, 203 1 ends are connected with first convection flow fan 201, and the other end passes furnace roof 101 and extend in the body of heater 102, and said second induced exhaust, 204 1 ends are connected with second convection flow fan 202, and the other end passes furnace roof 101 and extend in the body of heater 102; Said air outlet 205 is arranged on the thermal equilibrium tracheae 105 with mesh-shape equably; Said first convection flow fan 201, second convection flow fan 202 are connected with motor, and motor is connected with central processing system 106, the keying of central processing system 106 control motors.First convection flow fan 201 in the present embodiment, first induced exhaust 203 are symmetrical set for 204 one-tenth with second convection flow fan 202, second induced exhaust, and the hot blast that can extract more equably in the body of heater 102 is set like this, improve the utilization ratio of hot blast.
Said first convection flow fan 201, second convection flow fan 202 are connected with said convection flow fan motor 206, and said convection flow fan motor is connected with said central processing system 106.
The motor of said first convection flow fan 201, second convection flow fan 202 adopts frequency control motor, is realized the adjusting of air quantity in the stove by the frequency transformer in the central processing system 106 control motors.
Be also noted that the frequency setting of said first convection flow fan 201,202 liang of typhoon machines of second convection flow fan unanimity of trying not avoids two typhoon machines when operation, to produce resonance.
The working process of the annealing furnace of present embodiment is following: when annealing furnace heats glass; Start through central processing system 106 control first convection flow fan 201, second convection flow fan 202; First convection flow fan 201 through first induced exhaust 203 the hot blasts in the body of heater 102 release, second convection flow fan 202 starts through second induced exhaust 204 and releases body of heater 102 interior hot blasts; The hot blast of extracting out gets into second air intake passage 104, first air intake passage 103 respectively by first convection flow fan 201, second convection flow fan 202 again; Again by get into second air intake passage 104, first air intake passage 103 gets into thermal equilibrium tracheaes 105; Spray with mesh fluidics through the air outlet 205 that is arranged on the thermal equilibrium tracheae 105 at last, the hot blast that ejects can form forced-flow, and heat is delivered to surface on glass through air-flow; Be consistent through the intensity of adjustment top convection current and the heating of lower surface, thus the heating symmetrically and evenly of realization glass; The requirement that intensity and the height of bottom furnace temperature through adjustment top convection current comes the coated glass of the different radiant ratios of self-adaptation.
The entire structure of the internal recycle forced convection device 200 of the utility model all is arranged on outside the burner hearth, and simple for structure, need not the maintenance skills of specialty especially, convenient for maintaining; Failure rate is very low, and follow-up maintenance cost is very low; And transform the change of back entire operation custom, still can go operation basically by the original operation custom.And can utilize the inside and outside waste discharge gas heated compressed air of stove, be circulated into the interior gas temperature of stove after the heat exchange up to 400 ℃.Can reduce 20～30% the heat-up time of the Low-E of common 6mm.
Should be understood that; The application of the utility model is not limited to above-mentioned giving an example; Concerning those of ordinary skills, can improve or conversion according to above-mentioned explanation, all these improvement and conversion all should belong to the protection domain of the utility model accompanying claims.
Claims (4)
1. an annealing furnace is characterized in that, comprises main stove and internal recycle forced convection device, wherein:
Said main stove comprises furnace roof, body of heater, first air intake passage, second air intake passage, thermal equilibrium tracheae and central processing system; Said first air intake passage, second air intake passage are arranged on the position of furnace roof both sides near the bottom; A bottom and an end that said thermal equilibrium tracheae is evenly distributed on furnace roof are connected on first air intake passage or second air intake passage, and the other end is airtight;
Said internal recycle forced convection device comprises convection flow fan, convection flow fan motor, induced exhaust and air outlet; Said convection flow fan is arranged on the furnace roof; Said convection flow fan is communicated with first air intake passage, second air intake passage; Said induced exhaust one end is connected with said convection flow fan, and an end passes furnace roof and stretches in the body of heater, and said air outlet is arranged on the thermal equilibrium tracheae equably; Said convection flow fan is connected with the convection flow fan motor, and said convection flow fan motor is connected with said central processing system.
2. annealing furnace according to claim 1 is characterized in that, said convection flow fan, convection flow fan motor and induced exhaust are provided with a plurality of.
3. annealing furnace according to claim 1 is characterized in that, said convection flow fan motor is selected frequency control motor for use.
4. annealing furnace according to claim 1 is characterized in that said air outlet is arranged on the thermal equilibrium tracheae with mesh-shape equably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205710691U CN202400959U (en) | 2011-12-31 | 2011-12-31 | Toughening furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205710691U CN202400959U (en) | 2011-12-31 | 2011-12-31 | Toughening furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202400959U true CN202400959U (en) | 2012-08-29 |
Family
ID=46698622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205710691U Expired - Fee Related CN202400959U (en) | 2011-12-31 | 2011-12-31 | Toughening furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202400959U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954593A (en) * | 2017-12-07 | 2018-04-24 | 中国南玻集团股份有限公司 | Heating structure, the heating means of Low-E glass and three silver medal glass bend tempering processing methods |
| CN110818234A (en) * | 2019-11-22 | 2020-02-21 | 福耀玻璃(苏州)有限公司 | Large spherical glass forming process |
-
2011
- 2011-12-31 CN CN2011205710691U patent/CN202400959U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954593A (en) * | 2017-12-07 | 2018-04-24 | 中国南玻集团股份有限公司 | Heating structure, the heating means of Low-E glass and three silver medal glass bend tempering processing methods |
| CN107954593B (en) * | 2017-12-07 | 2023-08-25 | 中国南玻集团股份有限公司 | Heating structure, low-E glass heating method and three-silver glass bending and tempering processing method |
| CN110818234A (en) * | 2019-11-22 | 2020-02-21 | 福耀玻璃(苏州)有限公司 | Large spherical glass forming process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG SOUTH BRIGHT GLASS TECHNOLOGY CO., LTD. Free format text: FORMER NAME: FOSHAN GAOMING SOUTH BRIGHT GLASS TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528500 Guangdong province Foshan Gaoming Cangjiang Industrial Park East rich town Patentee after: Guangdong South BrightGlass Technology Co., Ltd. Address before: 528500 Guangdong province Foshan Gaoming Cangjiang Industrial Park East rich town Patentee before: Foshan South Bright Glass Co.,Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Xinhua strong glass technology Co., Ltd. Assignor: Guangdong South BrightGlass Technology Co., Ltd. Contract record no.: 2015440000203 Denomination of utility model: Method and device for maintaining quartz roller way by adding sulfur in annealing furnace Granted publication date: 20120829 License type: Exclusive License Record date: 20150605 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528500 Guangdong province Foshan Gaoming Cangjiang Industrial Park East rich town Patentee after: Guangdong Nan Liang art glass Polytron Technologies Inc Address before: 528500 Guangdong province Foshan Gaoming Cangjiang Industrial Park East rich town Patentee before: Guangdong South BrightGlass Technology 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: 20120829 Termination date: 20181231 |