CN102690048A - Heating method of heating furnace for glass tempering - Google Patents
Heating method of heating furnace for glass tempering Download PDFInfo
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- CN102690048A CN102690048A CN2011100741147A CN201110074114A CN102690048A CN 102690048 A CN102690048 A CN 102690048A CN 2011100741147 A CN2011100741147 A CN 2011100741147A CN 201110074114 A CN201110074114 A CN 201110074114A CN 102690048 A CN102690048 A CN 102690048A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a heating method of a heating furnace for glass tempering; air in the heating furnace is driven by a high temperature blower fan to flow circularly so as to take away heat generated by an electric heating element; the air is pressurized and injected onto a surface of glass to be processed; and thus heating in a convection heating manner is realized; the heat generated by the electric heating element is also transmitted to the surface of the glass to be processed through radiation heating; during the heating process, the glass to be processed is heated in a main manner of convection heating; when the glass to be processed is heated to a temperature near a glass softening temperature, the glass to be processed is heated in a main manner of radiation heating till the glass to be processed reaches a temperature at which tempering can be completed. With the heating method, using the characteristic that convection heating is faster than radiation heating, the temperature of the glass to be processed is increased quickly; and with the characteristic that matrix radiation heating of a device allows regional temperature adjustment, each part of the glass to be processed can be heated to the temperature at which glass tempering can be completed.
Description
Technical field
The present invention relates to a kind of heating means that are used to carry out the process furnace that glass tempering handles.
Background technology
The temperature of different sites can independent control in the processing requirement heating stove furnace chamber of glass tempering, just can glass various piece to be processed be heated to the temperature that glass can be accomplished tempering exactly.
At present, be widely used in glass tempering, particularly the stove of glass heats more efficiently of coated glass tempering all is derived from utility model patent 200920006859.8.The temperature of warm air different sites in stove that this process furnace convection tubes ejects can not independent control; When needing the temperature of different sites in the control stove; Only rely on the temperature of an electric heating element of regulating each independent heating region, realize by the different heats of an electric heating element radiating.Because convection tubes is between an electric heating element and the glass to be processed; The radiation length of an electric heating element is far away; And the partial radiation heat is blocked by convection tubes, so that the temperature of an electric heating element through regulating each independent heating region is controlled the temperature-controlled process of different sites temperature in the stove is very insensitive.At the big space of a whole page glass of the heating version width of cloth greater than 1m * 1m; Especially during coated glass, the peripheral temperature of glass often is higher than the temperature of middle part, causes each position tempering stress of glass inconsistent; The granularity of middle part does not reach requirement when smashing check, is difficult to satisfied tempering effect.
Summary of the invention
Main purpose of the present invention is, the heating means of a kind of glass tempering with process furnace are provided, and the radiation length that solves an electric heating element is far away, and the partial radiation heat is accelerated the heat-up rate of glass to be processed by the problem of convection tubes blocking-up.
Main purpose of the present invention also is; Provide a kind of glass tempering to use the process furnace heating means; Temperature control to different sites temperature in the net configuration heated glass annealing furnace stove is insensitive; Glass various piece to be processed can not be heated to target temperature exactly, and seriously inconsistent, the middle part granularity of each position tempering stress of glass does not reach the defective of requirement behind the especially big space of a whole page glass tempering.
Main purpose of the present invention also is, provides a kind of glass tempering to use the process furnace heating means, attempts to shorten heat-up time, accelerates rate of heating, increases work efficiency, and cost and tooling cost save time.
Technical scheme of the present invention is:
A kind of glass tempering is characterized in that with the heating means of process furnace:
This glass tempering has a body of heater with process furnace; Be formed with the heating space of sealing in this body of heater; Be spaced many horizontal rollers on the horizontal plane in the heating space of this body of heater, the glass to be processed that is positioned on this horizontal roller is divided into disconnected upper space of relative closure and lower space with this heating space; In this upper space, be provided with several top high-temperature blowers; The air intake vent of each top high-temperature blower all is connected with this upper space; The air outlet of each this top high-temperature blower is communicated with a top air main; Each top air main is communicated with many again and is positioned at this horizontal roller top and spaced top convection tubes that is parallel to each other, and every top convection tubes downside evenly is interval with a plurality of fluid orifices; Between any two adjacent upper convection tubess, be arranged with a top an electric heating element in parallel, described top an electric heating element and described top convection tubes are on the same horizontal plane;
Air in the upper space circulates under the driving of described top high-temperature blower; Take away the heat that the top an electric heating element produces; The fluid orifice of pressurization back convection tubes from top is ejected into the upper surface of glass to be processed, thereby heats with the mode of convective heating; The heat that described top an electric heating element produces also is delivered to the upper surface of glass to be processed through the form of radiation heating;
This glass tempering is with the heat-processed of process furnace; Be earlier to be that principal mode is treated processed glass and heated with the convective heating; After extremely glass heats to be processed is closed on softening temperature to glass; Be that principal mode is treated processed glass and heated again with the radiation heating, reach the temperature that glass can be accomplished tempering until glass to be processed.
In a preferable technical scheme: below this horizontal roller, be provided with several bottom high-temperature blowers; The air intake vent of each bottom high-temperature blower all is connected with this lower space; The air outlet of each bottom high-temperature blower is communicated with a bottom air main; Each bottom air main is communicated with many again and is positioned at this horizontal roller below and spaced bottom convection tubes that is parallel to each other, and every bottom convection tubes upside evenly is interval with a plurality of fluid orifices; Between any two adjacent bottom convection tubess, be arranged with a bottom an electric heating element in parallel, described bottom an electric heating element and described bottom convection tubes are on the same horizontal plane;
Air in the lower space circulates under the driving of described bottom high-temperature blower; Take away the heat that the bottom an electric heating element produces; The fluid orifice of pressurization back convection tubes from the bottom is ejected into the lower surface of glass to be processed, thereby heats with the mode of convective heating; The heat that described bottom an electric heating element produces also is delivered to the lower surface of glass to be processed through the form of radiation heating.
In a preferable technical scheme: described is that principal mode is treated processed glass and heated with the convective heating; Be meant each top an electric heating element with the heating of 80%～100% rated output, each top high-temperature blower is to be not less than the rotating speed smooth operation of specified speed 80%.
In a preferable technical scheme: described is that principal mode is treated processed glass and heated with the radiation heating; Be meant that each top an electric heating element independently opens or close, the top high-temperature blower is with the rotating speed smooth operation that is not higher than specified speed 20% or shut down.
In a preferable technical scheme: described is that principal mode is treated processed glass and heated with the convective heating; Be meant each top an electric heating element and bottom an electric heating element all with the heating of 80%～100% rated output, each top high-temperature blower and bottom high-temperature blower are all to be not less than the rotating speed smooth operation of specified speed 80%.
In a preferable technical scheme: described is that principal mode is treated processed glass and heated with the radiation heating; Be meant that each top an electric heating element and bottom an electric heating element independently open respectively or close, top high-temperature blower and bottom high-temperature blower are all with the rotating speed smooth operation that is not higher than specified speed 20% or shut down.
In a preferable technical scheme: the temperature that described glass can be accomplished tempering is between 680 ℃～720 ℃.
In a preferable technical scheme: it is between 600 ℃～650 ℃ that described glass closes on softening temperature.
In a preferable technical scheme: several adjacent top an electric heating element are connected in series and constitute a top heating module, and each top heating module is furnished with a by-pass cock and a thermopair; Being when principal mode is treated processed glass and heated with the radiation heating, is independently to open or close through this each top heating module of by-pass cock control.
In a preferable technical scheme: several adjacent top an electric heating element are connected in series and constitute a top heating module; Several adjacent bottom an electric heating element are connected in series and constitute a lower heating module, and each top heating module all is furnished with a by-pass cock and a thermopair with each lower heating module; Being when principal mode is treated processed glass and heated with the radiation heating, is independently to open respectively or close through this by-pass cock each top heating module of control and lower heating module.
Compared with prior art; The beneficial effect that the present invention has is: the present invention has shortened the radiation length between an electric heating element and the glass to be processed; And do not had blocking of convection tubes glass to be processed to be exposed to fully under the thermal radiation of an electric heating element, the temperature of having strengthened an electric heating element through regulating each independent heating region is controlled the ability of different sites temperature in the stove.Glass to be processed can be heated to target temperature very soon; And the temperature of an electric heating element that can be through regulating respective regions makes each position temperature of glass to be processed consistent; Can produce the toughened glass of each satisfaction that position stress is consistent, granularity is consistent; That is, can quickly and accurately glass various piece to be processed be heated to target temperature.Adopt above-mentioned heating means, utilize the convective heating characteristic faster, earlier the temperature fast lifting of glass to be processed is closed on softening temperature to glass than radiation heating; Again can regional thermoregulated characteristics according to the matrix radiation heating of equipment; The various piece of glass to be processed all is heated to the temperature that glass can be accomplished tempering, had both shortened heat-up time, accelerated rate of heating; Improve working efficiency, also practiced thrift time cost and tooling cost.
Description of drawings
Fig. 1 is a process furnace transverse sectional view of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 2.
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, a kind of glass tempering provided by the invention is used process furnace, and it has a body of heater 2, and this body of heater 2 is formed with the heating space of sealing in (comprising frame and lagging material);
Many horizontal rollers 1 have been spaced on the horizontal plane in the heating space of this body of heater 2, the equal rotational support in the two ends of every horizontal roller 1 both sides outside body of heater 2; In the time of work of the present invention, the different shapes and the glass to be processed 7 of area that are positioned on this horizontal roller 1 are divided into disconnected upper space 21 of relative closure and lower space 22 with this heating space;
In this upper space 21 and lower space 22, be respectively equipped with several top high-temperature blowers 41 and bottom high-temperature blower 42; Each high- temperature blower 41,42 all is close to the sidewall setting of this body of heater 2; And respectively by drive unit 43 (like a phonomoter or oil engine) driven rotary of being located on body of heater 2 outer side walls; The air intake vent 411,421 of each high- temperature blower 41,42 is all towards the central position of the heating space of this body of heater 2, and each air intake vent 411,421 also is connected with lower space 22 with the upper space 21 of this body of heater 2 respectively;
The air outlet 412,422 of each this top and bottom high- temperature blower 41,42 is communicated with top and bottom air main 31,32; And each top and the side of bottom air main 31,32 towards the central position of the heating space of this body of heater 2 are communicated with many tops and bottom convection tubes 61,62, and every top and bottom convection tubes 61,62 evenly are interval with a plurality of fluid orifices 63 towards a side of horizontal roller 1 horizontal plane of living in.
In the time of the present invention's operation, high temperature air (its thermal source is an an electric heating element 51,52, and there is detailed argumentation the back) is sucked by the air intake vent 411,421 of high- temperature blower 41,42 earlier; Air outlet 412,422 from high-temperature blower extrudes again; After getting into air main 31,32, get into again in the convection tubes 61,62, from fluid orifice 63, spray to glass to be processed 7 upper and lower surfaces on the horizontal roller 1 then; Sucked by the air intake vent 411,421 of high- temperature blower 41,42 once more afterwards, constitute the furnace air recycle system.
And it is emphasized that in the present embodiment that all top convection tubess 61 are on the same horizontal plane, all bottom convection tubess 62 also are on another horizontal plane, thereby can realize the glass to be processed on the horizontal roller 17 is carried out even heating; And; In the present embodiment; Each top and bottom convection tubes 61,62 all are to be parallel to the straight tube that horizontal roller 1 is provided with; And the two ends of each top convection tubes 61 respectively be arranged on 2 two sidewalls of body of heater on top air main 31 be connected; The two ends of each bottom convection tubes 62 respectively be arranged on 2 two sidewalls of body of heater on bottom air main 32 be connected, the air main 31,32 through both sides pours into high temperature air simultaneously in this convection tubes 61,62, make top and bottom convection tubes 61,62 internal gas pressures more greatly, more stable.
In order to control the Heating temperature of different sites in the heating space flexibly, the present invention also is respectively arranged with a plurality of tops and bottom an electric heating element 51,52 in upper space 21 and lower space 22.In the present embodiment; This top and bottom an electric heating element 51,52 all are strip; And top an electric heating element 51 is arranged with top convection tubes 61 parallel interval; Bottom an electric heating element 51 is arranged with bottom convection tubes 61 parallel interval, makes described top an electric heating element 51 and described top convection tubes 61 be on the same horizontal plane, and described bottom an electric heating element 52 is on the same horizontal plane with described bottom convection tubes 62.Thus; Not only reduced the distance between an electric heating element 51,52 and the glass to be processed 7; Strengthened yield of radiation, also can not stop the convective heat exchange between convection tubes 61,62 and the glass to be processed 7, can more quickly processed glass 7 be heated to glass and close on softening temperature.Described glass closes on softening temperature, generally is between 600 ℃～650 ℃.
In the present embodiment; Several adjacent top an electric heating element 51 are connected in series and constitute a top heating module 91; Several adjacent bottom an electric heating element 52 are connected in series and constitute a lower heating module 92 (described heating module 91,92 is all shown in the dotted rectangle among Fig. 3; Rectangular), each heating module 91,92 all is furnished with a by-pass cock (not giving diagram) and a thermopair (also not giving diagram).This thermopair can be measured each regional temperature of glass to be processed in real time, thereby controls the keying of each heating module 91,92 on this basis.Thus, when simplifying temperature control difficulty, reducing cost, can also keep temperature controlled handiness.For example; In thermocouple measurement that certain heating module 91,92 is disposed when the corresponding zone (like the middle portion of this glass) of processed glass 7 needs extra heating; Then will open with processed glass 7 these corresponding zone part opposite heating modules 91,92; Close simultaneously and processed glass 7 superheat section opposite heating modules 91,92 (representing a heating module), the quantity of radiant energy that processed glass 7 middle portions are received increases, and reaches the purpose of local warming; Certainly; Also can make power increasing with processed glass 7 middle portion opposite heating modules 91,92; Make power reduction simultaneously with processed glass 7 peripheral part opposite heating modules 91,92; Also can realize local warming, processed glass 7 whole planar temperature reached unanimity, and then exactly processed glass 7 various pieces are heated to the temperature that glass can be accomplished tempering.Described glass can be accomplished the temperature of tempering, generally is between 680 ℃～720 ℃.
The bottom an electric heating element 52 of damage level roller-way 1 below when preventing that glass cullet that processed glass 7 produces when broken from falling, the present invention also is provided with protective guard 8 between bottom an electric heating element 52 and this horizontal roller 1.In the present embodiment; Described protective guard 8 is that transmitance is not less than 30% perforation thin plate, and the perforation on this protective guard 8 is that diameter is not more than 9 millimeters circular hole, and each circular hole is evenly arranged by matrix form; Thus, this protective guard 8 just can not cause the resistance of too big influence to air cycle.The material of protective guard 8 is resistant to elevated temperatures stainless steel, is the strip plate, and each protective guard 8 covers the top of each root bottom an electric heating element 52 separately.
For the rate of heating at the upper and lower surfaces place that makes glass 7 to be processed consistent; In the present embodiment; Distance between top convection tubes 61 and top an electric heating element 51 and horizontal roller 1 upper surface equals the distance between bottom convection tubes 62 and bottom an electric heating element 52 and horizontal roller 1 upper surface.
In general; Distance between top convection tubes 61 and top an electric heating element 51 and horizontal roller 1 upper surface is in 60mm～120mm scope, and the distance between bottom convection tubes 62 and bottom an electric heating element 52 and horizontal roller 1 upper surface is in 130mm～220mm scope.Adopt above-mentioned less radiation length can strengthen the heat transfer effect of radiation heating.
In addition; Can see that from Fig. 2 this top equates with the quantity of bottom convection tubes 61,62, and is over against arranging; From Fig. 1, then can see; Up and down over against two top and bottom convection tubes 61, fluid orifice 63 between 62 be and be dislocatedly distributed, can see from Fig. 3 that again two convection tubess 61, the fluid orifice between 62 63 that level is adjacent also are and are dislocatedly distributed.Adopt the distribution form of such fluid orifice dislocation, purpose is to prevent that high temperature air relative or that adjacent fluid orifice 63 blows out is superimposed upon formation wind spot on the glass 7 to be processed.
Referring to Fig. 1, introduce the heating means of process furnace of the present invention again:
Space (being described heating space) is rectangular in the body of heater of process furnace, and this orthogonal length is not less than 1500mm, and wide is 1000mm～4000mm, and height is 1500mm～3500mm.Width is the direction parallel with horizontal roller here.
High- temperature blower 41,42 is a centrifugal fan.The rated output of high- temperature blower 41,42 is 3kw～4kw.The quantity of high- temperature blower 41,42 is by the length decision in space in the body of heater of process furnace 21,22, and every interval 1200mm～2400mm is provided with 4 high- temperature blowers 41,42, is arranged in the both sides in body of heater internal upper part space 21, the both sides of lower space 22.
The internal diameter of convection tubes is 30～90mm, and the diameter of fluid orifice is 5～15mm, and the distance apart between two adjacent fluid orifices is 20～40mm.
An electric heating element is a wire spiral, and the power of each an electric heating element is 5～45kw, and per 6～12 an electric heating element are connected in series becomes a heating module.
The process furnace that adopts said structure is in work; Air in the body of heater 2 circulates under the driving of described top and bottom high- temperature blower 41,42; Take away the heat that top and bottom an electric heating element 51,52 produce; Be ejected into glass 7 upper surfaces to be processed and lower surface after the pressurization; Thereby the mode with convective heating heats, and concrete circulating path is as shown in Figure 1 to be a → b → c → d → e → a, and the air of body of heater 2 internal upper parts and lower space 21,22 is because the relatively independent circulating path of each self-forming of partition of glass 7 to be processed; The heat that described top and bottom an electric heating element 51,52 produce also can directly be delivered to the upper surface and the lower surface of glass 7 to be processed through the form of radiation heating;
In the whole heat-processed; Be earlier to be that principal mode is treated processed glass 7 and heated with the convective heating; Be heated to after glass closes on softening temperature (600 ℃～650 ℃) to glass 7 to be processed; Be that principal mode is treated processed glass 7 and heated again with the radiation heating, reach glass until glass 7 to be processed and can accomplish the temperature of tempering (680 ℃～720 ℃).
Adopt the purpose of above-mentioned heating means; It is the characteristic of utilizing convective heating faster than radiation heating; Earlier with the mode of convective heating the temperature fast lifting of glass to be processed is closed on softening temperature to glass, promptly temperature again can regional thermoregulated characteristics according to the matrix radiation heating of equipment between 600 ℃～650 ℃; With the mode of matrix radiation heating the various piece of glass to be processed all is heated to the temperature that glass can be accomplished tempering, promptly temperature is between 680 ℃～720 ℃.
Wherein: described is that principal mode is treated processed glass and heated with the convective heating; Be meant each top and bottom an electric heating element 51,52 all with the heating of 80%～100% rated output, top and bottom high- temperature blower 41,42 are all to be not less than the rotating speed smooth operation of specified speed 80%.Process furnace is under this working order; An electric heating element 51,52 is with heating with full power; Glass surface to be processed is taken away and be ejected into to air with the heat major part that an electric heating element produces in the body of heater; The heat direct radiation of having only few part is to glass surface to be processed, and macroscopical temperature of glass to be processed can raise up at this working stage apace.
Wherein: described is that principal mode is treated processed glass and heated with the radiation heating; Be meant that each top an electric heating element 51 and bottom an electric heating element 52 independently open respectively or close, top high-temperature blower 41 all perhaps shuts down with the rotating speed smooth operation that is not higher than specified speed 20% with bottom high-temperature blower 42; And in fact, in order to simplify the keying manipulated variable of top an electric heating element 51 and bottom an electric heating element 52, be to control the independent of each top and lower heating module 91,92 through described by-pass cock to open and close.Process furnace is under this working order; The interior air cycle of body of heater weakens or stops; It is very little to take away and be ejected into the heat that an electric heating element of glass surface to be processed produces by air; Most heat is to arrive glass surface to be processed with forms of radiation, because the radiation heating of top and lower heating module 91,92 can regional temperature adjustment, the temperature at each position can independently very delicately be controlled in the process furnace again.The various piece of glass to be processed can be heated to the temperature that glass can be accomplished tempering quickly and accurately.
Can know from above-mentioned record, adopt embodiment of the present invention, can quickly and accurately glass various piece to be processed be heated to the temperature that glass can be accomplished tempering, avoid because non-uniform temperature causes the tempering failure.
The embodiment that the foregoing description is very complete a, composition optimizes; In actual use; Can do a lot of replacements and modification, as: the above-mentioned furnace air recycle system only is set in the upper of furnace body space, and the above-mentioned furnace air recycle system is not set in the lower space; Perhaps reduce the quantity of the convection tubes in the lower space, all be fine; The shape of convection tubes also can adopt other geometrical shapies except straight tube-like; High-temperature blower the position is set, except sidewall, also can be arranged on the position such as roof or diapire of body of heater; And; Only in the upper of furnace body space, be provided with in the above-mentioned furnace air recycle system; Above-mentioned heating means stand good, and also are earlier to be that principal mode is treated processed glass and heated with the convective heating, close on softening temperature to glass heats to be processed to glass after; Be that principal mode is treated processed glass and heated again with the radiation heating, reach the temperature that glass can be accomplished tempering until glass to be processed.
It is thus clear that in any case revise, those of ordinary skills understand, modification, variation or the equivalence under the situation of spirit that does not break away from claim and limited and scope, made all will fall within protection scope of the present invention.
Claims (10)
1. a glass tempering is characterized in that with the heating means of process furnace:
This glass tempering has a body of heater with process furnace; Be formed with the heating space of sealing in this body of heater; Be spaced many horizontal rollers on the horizontal plane in the heating space of this body of heater, the glass to be processed that is positioned on this horizontal roller can be divided into disconnected upper space of relative closure and lower space with this heating space; In this upper space, be provided with several top high-temperature blowers; The air intake vent of each top high-temperature blower all is connected with this upper space; The air outlet of each this top high-temperature blower is communicated with a top air main; Each top air main is communicated with many again and is positioned at this horizontal roller top and spaced top convection tubes that is parallel to each other, and every top convection tubes downside evenly is interval with a plurality of fluid orifices; Between any two adjacent upper convection tubess, be arranged with a top an electric heating element in parallel, described top an electric heating element and described top convection tubes are on the same horizontal plane;
Air in the upper space circulates under the driving of described top high-temperature blower; Take away the heat that the top an electric heating element produces; The fluid orifice of pressurization back convection tubes from top is ejected into the upper surface of glass to be processed, thereby heats with the mode of convective heating; The heat that described top an electric heating element produces also is delivered to the upper surface of glass to be processed through the form of radiation heating;
This glass tempering is with the heat-processed of process furnace; Be earlier to be that principal mode is treated processed glass and heated with the convective heating; After extremely glass heats to be processed is closed on softening temperature to glass; Be that principal mode is treated processed glass and heated again with the radiation heating, reach the temperature that glass can be accomplished tempering until glass to be processed.
2. glass tempering according to claim 1 is with the heating means of process furnace; It is characterized in that: below this horizontal roller, be provided with several bottom high-temperature blowers; The air intake vent of each bottom high-temperature blower all is connected with this lower space; The air outlet of each bottom high-temperature blower is communicated with a bottom air main; Each bottom air main is communicated with many again and is positioned at this horizontal roller below and spaced bottom convection tubes that is parallel to each other, and every bottom convection tubes upside evenly is interval with a plurality of fluid orifices; Between any two adjacent bottom convection tubess, be arranged with a bottom an electric heating element in parallel, described bottom an electric heating element and described bottom convection tubes are on the same horizontal plane;
Air in the lower space circulates under the driving of described bottom high-temperature blower; Take away the heat that the bottom an electric heating element produces; The fluid orifice of pressurization back convection tubes from the bottom is ejected into the lower surface of glass to be processed, thereby heats with the mode of convective heating; The heat that described bottom an electric heating element produces also is delivered to the lower surface of glass to be processed through the form of radiation heating.
3. glass tempering according to claim 1 is with the heating means of process furnace; It is characterized in that: described is that principal mode is treated processed glass and heated with the convective heating; Be meant each top an electric heating element with the heating of 80%～100% rated output, each top high-temperature blower is to be not less than the rotating speed smooth operation of specified speed 80%.
4. glass tempering according to claim 1 is with the heating means of process furnace; It is characterized in that: described is that principal mode is treated processed glass and heated with the radiation heating; Be meant that each top an electric heating element independently opens or close, the top high-temperature blower is with the rotating speed smooth operation that is not higher than specified speed 20% or shut down.
5. glass tempering according to claim 2 is with the heating means of process furnace; It is characterized in that: described is that principal mode is treated processed glass and heated with the convective heating; Be meant each top an electric heating element and bottom an electric heating element all with the heating of 80%～100% rated output, each top high-temperature blower and bottom high-temperature blower are all to be not less than the rotating speed smooth operation of specified speed 80%.
6. glass tempering according to claim 2 is with the heating means of process furnace; It is characterized in that: described is that principal mode is treated processed glass and heated with the radiation heating; Be meant that each top an electric heating element and bottom an electric heating element independently open respectively or close, top high-temperature blower and bottom high-temperature blower are all with the rotating speed smooth operation that is not higher than specified speed 20% or shut down.
7. glass tempering according to claim 1 is characterized in that with the heating means of process furnace: the temperature that described glass can be accomplished tempering is between 680 ℃～720 ℃.
8. glass tempering according to claim 7 is characterized in that with the heating means of process furnace: it is between 600 ℃～650 ℃ that described glass closes on softening temperature.
9. glass tempering according to claim 4 is with the heating means of process furnace; It is characterized in that; Several adjacent top an electric heating element are connected in series and constitute a top heating module, and each top heating module is furnished with a by-pass cock and a thermopair; Being when principal mode is treated processed glass and heated with the radiation heating, is independently to open or close through this each top heating module of by-pass cock control.
10. glass tempering according to claim 6 is with the heating means of process furnace; It is characterized in that; Several adjacent top an electric heating element are connected in series and constitute a top heating module; Several adjacent bottom an electric heating element are connected in series and constitute a lower heating module, and each top heating module all is furnished with a by-pass cock and a thermopair with each lower heating module; Being when principal mode is treated processed glass and heated with the radiation heating, is independently to open respectively or close through this by-pass cock each top heating module of control and lower heating module.
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| CN107522391A (en) * | 2017-08-07 | 2017-12-29 | 洛阳兰迪玻璃机器股份有限公司 | A kind of glass plate steel process course control method for use |
| CN107562024A (en) * | 2017-08-07 | 2018-01-09 | 洛阳兰迪玻璃机器股份有限公司 | A kind of glass plate steel process course control method for use |
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| CN113376462A (en) * | 2021-06-08 | 2021-09-10 | 广东优科检测认证有限公司 | High-temperature aging test machine with uniform temperature and high-temperature aging test method |
| CN114988677A (en) * | 2022-06-02 | 2022-09-02 | 秦皇岛恒也玻璃科技有限公司 | Method for improving flatness of glass in width direction in tempering furnace |
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| CN107562024A (en) * | 2017-08-07 | 2018-01-09 | 洛阳兰迪玻璃机器股份有限公司 | A kind of glass plate steel process course control method for use |
| CN107555771A (en) * | 2017-08-07 | 2018-01-09 | 洛阳兰迪玻璃机器股份有限公司 | A kind of glass plate steel process course control method for use |
| CN107572763A (en) * | 2017-08-07 | 2018-01-12 | 洛阳兰迪玻璃机器股份有限公司 | A kind of glass plate steel process course control method for use |
| CN107522391B (en) * | 2017-08-07 | 2020-04-14 | 洛阳兰迪玻璃机器股份有限公司 | Glass plate tempering process control method |
| CN107572763B (en) * | 2017-08-07 | 2020-11-10 | 洛阳兰迪玻璃机器股份有限公司 | Glass plate tempering process control method |
| CN110396677A (en) * | 2019-06-26 | 2019-11-01 | 南京爱通智能科技有限公司 | A kind of quick heating means of ultra-large atomic layer deposition apparatus |
| CN113376462A (en) * | 2021-06-08 | 2021-09-10 | 广东优科检测认证有限公司 | High-temperature aging test machine with uniform temperature and high-temperature aging test method |
| CN114988677A (en) * | 2022-06-02 | 2022-09-02 | 秦皇岛恒也玻璃科技有限公司 | Method for improving flatness of glass in width direction in tempering furnace |
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