CN104402249B - Automobile glass heating method and heating device thereof - Google Patents
Automobile glass heating method and heating device thereof Download PDFInfo
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- CN104402249B CN104402249B CN201410618115.7A CN201410618115A CN104402249B CN 104402249 B CN104402249 B CN 104402249B CN 201410618115 A CN201410618115 A CN 201410618115A CN 104402249 B CN104402249 B CN 104402249B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 194
- 239000011521 glass Substances 0.000 title claims abstract description 172
- 238000000034 method Methods 0.000 title abstract description 17
- 238000007669 thermal treatment Methods 0.000 claims description 70
- 230000005540 biological transmission Effects 0.000 claims description 26
- 239000005340 laminated glass Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 230000005465 channeling Effects 0.000 description 6
- 239000005357 flat glass Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 206010000060 Abdominal distension Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
- C03B32/005—Hot-pressing vitrified, non-porous, shaped glass products
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention relates to the technical field of glass processing, and especially relates to an automobile glass heating method. The method is used for heating coated glass and non-coated glass alternatively loaded on a delivery roller, the coated glass and the non-coated glass are delivered on the delivery roller to a heating furnace, are heated to a preset temperature and are delivered out of the heating furnace, the heating furnace is divided by separator plates into a plurality of linearly arranged heating zones along the delivery direction of the delivery roller, the temperatures of the heating zones monotonously increase along the delivery direction of the delivery roller, and the convection heating air velocities of the heating zones are adjusted according to the automobile glass loaded in all the heating zones. The invention also provides an automobile glass heating device. The method and the device solve the temperature change problem in the furnace and the positioning problem of glass in order to make the glass uniformly and stably heated.
Description
Technical field：
The present invention relates to glass working arts field, particularly a kind of heating means of vehicle glass, in particular for
A kind of heating means of the vehicle glass before automobile coated laminated glass forming operation, also provide a kind of vehicle glass simultaneously
Heater.
Background technology：
Sandwich glass for automobiles is generally adopted by the structure of glass+high molecular polymer+glass, and we will be located at custom
Referred to as sheet outside car, by positioned at in-car referred to as small pieces, large stretch of and small pieces usually have different characteristics, for example, different
Composition, different thickness, different surfaces characteristic and combinations thereof.In the prior art of sandwich glass for automobiles, sometimes
Wish by first heating these vehicle glasses and then carrying out a forming operation or other any suitable operations again, for not
Heating with characteristic glass pair mainly adopts the following two kinds mode：
First, for the big or small slice of different qualities, in same transmission system, respectively heating is adjusted according to big or small slice characteristic
Parameter heats respectively, i.e. first can adjust large stretch of heating parameters according to large stretch of characteristic, all large stretch of concentrations carry out heating aftershaping,
Adjust small pieces heating parameters further according to small pieces characteristic, all small pieces are concentrated and carried out heating aftershaping；
2nd, describe a kind of different qualities big or small slice in patent of invention 201180031867.8 alternately to heat in heating furnace
Mode, by being combined radiant heating with Convective Heating, simultaneously according to glass different qualities, arrange convected air pressing force
The contour line of relative time, thus realize alternately loading two groups of different glass plates of characteristic in a transmission system, and often
Group glass plate heating is different.
Prior art described above one, because large stretch of and small pieces are separate heating, easily causes big or small slice coupling journey
Degree is not high, has opening during pairing；
Prior art two is disadvantageous in that：
(1) it is likely to result in stove " channeling "
Load and different heating because two groups of glass plates replace, two groups of glass plates ambient temperature in heating process can not
With being likely to result in heating furnace between different spaces " channeling ", lead to two groups of glass all not have at a temperature of estimated to carry out adding
Heat.
(2) positioning about glass delivery process
In patent introduce Convective Heating, using be vertically opposite direction air-flow auxiliary heating, may result in glass
Position in heating furnace for the glass suddenly left, suddenly right it is impossible to guarantee during final molding that glass position is stable, when easily causing glass molding
Sliver.
(3) difficulty is realized for coated glass heating big
Car coated glass is usually large stretch of or the side that contacts with high molecular polymer of small pieces is by plated film, due to plating
Two surface characteristic differences of glass after film, can reflect heat on the surface having plated film, need more heat just can be heated to
Non- coated surface identical temperature, thus causes coated glass and is more difficult to be heated than non-coated glass：Sandwich heating degree
Inconsistent can cause coated glass because of internal unbalance stress " warpage "；In order to allow coated surface reach forming temperature, lead to not plate
Face overheated it may appear that the open defect such as " roller-way vestige ", " scald "；Lead to coated surface to become to prevent open defect
It is less than required forming temperature, glass mould face again can be unqualified during type.
Mention " if the glass plate of second group of G2 each leisure side although having in this patent for coated glass hardly possible molding
Equipped with a coating, the coating of such as low-E, then this hot-air distribution system 86 can be operated to provide multiple phases
The thermal treatment zone H2 answering, the side that these thermals treatment zone have this coating in glass plate compared with the H1 of other thermals treatment zone provides greater amount
Convective Heating.The example of suitable coating includes metal coating, such as the conductive coating of heat reflectivity coating or metal ", " when plus
When upside has cated glass plate G1 or G2, this coating can reflect most of emittance so that may have to heat
Radiation, conduction and the free convection heating to balance this lower surface is heated in more substantial downward forced convertion.Therefore, this top
The increase of the Convective Heating on surface 90 of coating provides required balance so that this two surface energies are with identical speed
Rate is heated and has identical temperature, so in its heating process, it is flat that this glass keeps ", should but combine
From the point of view of the claim of patent, this patent only provides three kinds of Convective Heating modes：1) only top Convective Heating；2) right just below
Stream heating；3) to provide Convective Heating both above and below, but forced air flow velocity is identical.
For a for example large stretch of face plated film, uncoated such a pair of the glass plate of small pieces, this patent does not specifically mention
The forced air flow velocity relation on large stretch of coated surface and non-coated surface and small pieces two sides, so fuzzy only with " needing greater amount "
Word description, those skilled in the art also are difficult to realize.
(4) specific process parameter, difficult realization are not referred to
Although this patent has claimed heating means and equipment, generally speaking weighting heating is compared with regard to this patent
The introduction of stove, provide only mode of heating for method, does not refer to concrete heating parameters/technique thinking, in possible actual production
Mode of heating according to mentioning in this patent is relatively inaccessible to Expected Results.
(5) it is not directed to convection current hot air nozzle structure
According to the content disclosing in this patent, stream of hot air is directly supplied from the aperture of hot-air allotter transfer tube, this
The design of sample can lead to hot-air vertical heating to glass plate, when all there is stream of hot air glass plate and lower section, two kinds of phases
Glass is easily caused in transmitting procedure moderately gusty air to the gas shock glass in direction, in addition, airflow direction is non-adjustable, is also unfavorable for reality
Control to Convective Heating in the production of border.
(6) energy consumption is big
Illustrate long-range heating system in patent to provide hot-air to be passed through in heating furnace, the extra heating of air causes energy
Source consumes greatly, and also inevitably has heat-energy losses in transmit process, and utilization rate reduces.
Content of the invention：
The technical problem to be solved is for above-mentioned technical problem present in prior art, provides a kind of adding
The heating means of the uniform and stable vehicle glass of heat, also provide a kind of heater of vehicle glass simultaneously.
The present invention solves its technical problem and is adopted the technical scheme that：A kind of heating means of vehicle glass, for adding
Heat is alternately carried in coated glass and non-coated glass on delivery roll, and described coated glass and non-coated glass are used for pairing and exist
Together to form laminated glass, described coated glass and non-coated glass are transferred into heating furnace being heated on delivery roll and set
Spread out of described heating furnace after constant temperature degree, described heating furnace have the length direction parallel with the transmission direction of described delivery roll and with
The parallel width of the axial direction of described delivery roll, described heating furnace includes upper of furnace body and lower portion of furnace body, described heating
Stove is heated described by the Convective Heating of upper of furnace body and lower portion of furnace body and the radiant heating of upper of furnace body and lower portion of furnace body
Coated glass and non-coated glass it is characterised in that：In the transmission direction along described delivery roll, described heating furnace pass through every
Plate is separated into several linearly aligned thermals treatment zone, and the temperature of the described thermal treatment zone is in dullness along the transmission direction of described delivery roll
It is incremented by, the air velocity of the Convective Heating of the described thermal treatment zone can be adjusted according to the vehicle glass that each thermal treatment zone is loaded
Section.
Further, when the vehicle glass loading in the described thermal treatment zone is coated glass, the coated surface of this coated glass
Ratio with the air velocity of the Convective Heating of the non-coated surface of this coated glass is 1.5:1～3:1；When the loading of the described thermal treatment zone
When vehicle glass is the non-coated glass with the pairing of this coated glass, the sky of the Convective Heating on two surfaces of this non-coated glass
Gas velocity is the 1/4～2/3 of the air velocity of the Convective Heating of non-coated surface of this coated glass.
Further, on the direction parallel with the axial direction of described delivery roll, the described thermal treatment zone has different right
The air velocity of stream heating.
Further, described upper of furnace body and lower portion of furnace body are equipped with blower, the axial direction of described blower and described biography
Defeated roller axially in parallel, the side towards described delivery roll of described blower sets on the axial direction along described blower
There is at least one row's blowhole, the direction of described blowhole towards the transmission direction of described delivery roll and with the angle of horizontal plane is
35 °～60 °, the air of described Convective Heating blows to described coated glass and the table of non-coated glass by the blowhole of blower
On face.
Further, the air in described blower be the constant temperature using each thermal treatment zone be heated, then blow to
The surface of coated glass and non-coated glass carries out Convective Heating.
The present invention also provides a kind of heater of vehicle glass simultaneously, including heating furnace, delivery roll, convection heating element
And radiant heater element, described heating furnace includes upper of furnace body and lower portion of furnace body, sets between described upper of furnace body and lower portion of furnace body
The delivery roll for alternately loading coated glass and non-coated glass, described upper of furnace body and lower portion of furnace body is had to be equipped with convection current and add
Thermal element and radiant heater element, described heating furnace have the length direction parallel with the transmission direction of described delivery roll and with institute
State the parallel width of axial direction of delivery roll it is characterised in that：In the transmission direction along described delivery roll, described
Heating furnace is separated into several linearly aligned thermals treatment zone by dividing plate, described convection heating element include air supply pipe and parallel to
The blower of described delivery roll, described air supply pipe is connected with described blower, and described air supply pipe is provided with air control valve, described
The side towards described delivery roll of blower is provided with least one row's blowhole.
Further, the direction of described blowhole towards the transmission direction of described delivery roll and with the angle of horizontal plane is
35 °～60 °.
Further, described air supply pipe coils in the described thermal treatment zone in the shape of a spiral.
Further, described air supply pipe passes sequentially through connecting tube and hose connection described blower, and described connecting tube is successively
Including the first arm, medial leg and the second arm, the caliber of described first arm and the second arm is more than described medial leg
Caliber.
Further, on the width along described heating furnace, the described thermal treatment zone include successively left side the thermal treatment zone, in
Between the thermal treatment zone and the right side thermal treatment zone, the described left side thermal treatment zone, the middle thermal treatment zone and the right side thermal treatment zone be equipped with convection heating element,
In order to the Convective Heating of different air velocitys to be provided on the width of described heating furnace.
Due to taking technique scheme, it has the advantages that the present invention：
1) pass through setting dividing plate in heating furnace and, so that the heats of each thermal treatment zone are uniform and stable, solve existing skill
" channeling " problem in stove that may be present in art；
2) pass through to arrange the direction of blowhole, thus ensureing the stability of glass delivery, during solving glass delivery
Left and right positioning problem；
3) pass through to arrange the independent thermal treatment zone, and the left side thermal treatment zone, the middle thermal treatment zone and right side are divided in heating and add
Hot-zone makes there is different Convective Heating on the width of heating furnace, and it is big that solution realizes difficulty for coated glass heating
Problem；
4) design concrete technology thinking and parameter, the such as air velocity of Convective Heating, realize beneficial to existing technical staff；
5) design a kind of new blow structure and be beneficial to abundant heating；
6) using the heating of internal furnace temperature so that each thermal treatment zone has the air themperature of different Convective Heating, solve existing
With the presence of the big problem of the energy consumption of technology medium-long range heating air.
Brief description：
Fig. 1 is a kind of structural representation of the heater of vehicle glass of the present invention；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the close-up schematic view of the convection heating element in Fig. 1；
Label declaration in accompanying drawing：1 is heating furnace, and 11 is upper of furnace body, and 12 is lower portion of furnace body, and 13 is the thermal treatment zone, and 14 is a left side
The side thermal treatment zone, 15 is the middle thermal treatment zone, and 16 is the right side thermal treatment zone, and 2 is delivery roll, and 3 is convection heating element, and 31 is air supply pipe,
32 is blower, and 33 is blowhole, and 34 is flexible pipe, and 35 is connecting tube, and 36 is the first arm, and 37 is medial leg, and 38 is second
Arm, 4 is radiant heater element, and 5 is dividing plate, and 6 is vehicle glass.
Specific embodiment：
Below in conjunction with accompanying drawing, present disclosure is described further.
As shown in Fig. 1 to Fig. 2, a kind of heating means of vehicle glass of the present invention, alternately it is carried in for heating
Coated glass on delivery roll 2 and non-coated glass, described coated glass and non-coated glass are used for being paired together to be formed
After laminated glass, described coated glass and non-coated glass are transferred into heating furnace 1 on delivery roll 2 and are heated to design temperature
Spread out of described heating furnace 1, described heating furnace 1 have the length direction parallel with transmission direction B of described delivery roll 2 and with described
The parallel width of the axial direction of delivery roll 2, described heating furnace 1 includes upper of furnace body 11 and lower portion of furnace body 12, described plus
Hot stove 1 passes through upper of furnace body 11 and the Convective Heating of lower portion of furnace body 12 and the radiant heating of upper of furnace body 11 and lower portion of furnace body 12
Heating described coated glass and non-coated glass it is characterised in that：In transmission direction B along described delivery roll 2 (i.e. plus
The length direction of hot stove), described heating furnace 1 is separated into several linearly aligned thermals treatment zone 13, the described thermal treatment zone by dividing plate 5
13 temperature is in monotonic increase along transmission direction B of described delivery roll 2, the air velocity of the Convective Heating of the described thermal treatment zone 13
Can be adjusted according to the vehicle glass 6 that each thermal treatment zone 13 is loaded.Using the independent thermal treatment zone 13, it can be avoided that " altering
Warm problem ", gradually heat up along transmission direction B of described delivery roll 2 in the described thermal treatment zone 13, it can in addition contain according to loaded vapour
The different qualities of car glass adjust the parameter of Convective Heating, finally realize uniform and stable heating.
Preferably, in order to realize the different vehicle glasses being loaded uniformly are heated, when in the described thermal treatment zone 13
When the vehicle glass 6 loading is coated glass, the coated surface of this coated glass is added with the convection current of the non-coated surface of this coated glass
The ratio of the air velocity of heat is 1.5:1～3:1；When the vehicle glass 6 that the described thermal treatment zone 13 loads is and the pairing of this coated glass
Non- coated glass when, the air velocity of the Convective Heating on two surfaces of this non-coated glass is the non-plated of this coated glass
The 1/4～2/3 of the air velocity of the Convective Heating of face.
Preferably, affected by the shape of vehicle glass, the left and right sides of vehicle glass and the zone line of vehicle glass
The air velocity of required Convective Heating simultaneously differs, for realizing uniformly heating, on the width of described heating furnace 1, institute
State the air velocity that the thermal treatment zone 13 has different Convective Heating.
Preferably, described upper of furnace body 11 and lower portion of furnace body 12 are equipped with blower 32, the axial direction of described blower 32 with
Described delivery roll 2 axially in parallel, the side towards described delivery roll 2 of described blower 32 is provided with least one row's blowhole
33, the direction of described blowhole 33 towards described delivery roll 2 transmission direction B and be 35 °～60 ° with the angle of horizontal plane, institute
The air stating Convective Heating is blown on described coated glass and the surface of non-coated glass by the blowhole 33 of blower 32, from
And avoid vehicle glass that left and right positioning occurs in transmitting procedure.
In order to avoid vehicle glass left and right positioning in transmitting procedure, the air of described Convective Heating passes through blower
32 blowhole 33 blows on described coated glass and the surface of non-coated glass, and described blowhole 33 is arranged on parallel to described
On the side towards described delivery roll 2 of the blower 32 of delivery roll 2, the direction C of described blowhole 33 is towards described delivery roll 2
Transmission direction B and be 35 °～60 ° with the angle of horizontal plane.
Further, the air in described blower 32 be the constant temperature using each thermal treatment zone 13 be heated, then
Blow to coated glass and the surface of non-coated glass carries out Convective Heating.Using the heating of internal furnace temperature so that each thermal treatment zone 13
There is the air themperature of different Convective Heating, the stove of the air themperature of the Convective Heating of each thermal treatment zone 13 and each thermal treatment zone 13
Temperature is basically identical, thus realizing uniform and stable heating.In addition, this mode of heating is carried out in stove, transmitting procedure does not have heat
Loss, and only need to be heated to suitable temperature, thus having saved energy resource consumption.
The present invention also provides a kind of heater of vehicle glass simultaneously, including heating furnace 1, delivery roll 2, Convective Heating unit
Part 3 and radiant heater element 4, described heating furnace 1 includes upper of furnace body 11 and lower portion of furnace body 12, described upper of furnace body 11 and body of heater
It is provided with delivery roll 2, described upper of furnace body 11 and the body of heater for alternately loading coated glass and non-coated glass between bottom 12
Bottom 12 is equipped with convection heating element 3 and radiant heater element 4, and described heating furnace 1 has the transmission side with described delivery roll 2
To the parallel length direction of B and the width parallel with the axial direction of described delivery roll 2 it is characterised in that：Along institute
State in transmission direction B of delivery roll 2, described heating furnace 1 is separated into several linearly aligned thermals treatment zone 13, institute by dividing plate 5
2 transmission directions B stating the temperature of the thermal treatment zone 13 along described delivery roll are in monotonic increase, the Convective Heating of the described thermal treatment zone 13
Air velocity can be adjusted according to the vehicle glass 6 that each thermal treatment zone 13 is loaded.Can using the independent thermal treatment zone 13
Avoid " channeling problem ", gradually heat up to heat glass along transmission direction B of described delivery roll 2 in the described thermal treatment zone 13, in addition
The parameter of Convective Heating can also be adjusted according to the characteristic of glass, finally realize uniform and stable heating.
As depicted in figs. 1 and 2, described convection heating element 3 includes air supply pipe 31 and the blowing parallel to described delivery roll 2
Pipe 32, described air supply pipe 31 is connected with described blower 32, and described air supply pipe 31 is provided with air control valve, described blower 32
The side towards described delivery roll 2 at least one row's blowhole 33, institute are provided with the axial direction along described blower 32
Stating the direction C of blowhole 33 towards transmission direction B of described delivery roll 2 and with the angle of horizontal plane is 35 °～60 °.By setting
Put the direction of blowhole, realize vehicle glass is uniformly heated, also ensure that the stability of glass delivery simultaneously, solve
Left and right positioning problem during glass delivery.Described air supply pipe 31 is provided with air control valve, for controlling air supply pipe 31 to enter
Enter the air mass flow in blower 32, thus different Convective Heating are carried out to zones of different.
Further, as shown in figure 3, described air supply pipe 31 passes sequentially through connecting tube 35 and flexible pipe 34 connects described blower
32, described connecting tube 35 includes the first arm 36, medial leg 37 and the second arm 38, described first arm 36 and second successively
The caliber of arm 38 is more than the caliber of described medial leg 37.
Further, described air supply pipe 31 coils in the described thermal treatment zone 13 in the shape of a spiral.The purpose of helical coil is
Utilization space storage steam to greatest extent.
Further, on the width along described heating furnace 1, the described thermal treatment zone 13 includes the left side thermal treatment zone successively
14th, the middle thermal treatment zone 15 and the right side thermal treatment zone 16, the described left side thermal treatment zone 14, the middle thermal treatment zone 15 and the right side thermal treatment zone 16 are all provided with
There is convection heating element 3, so that the Convective Heating of different air velocitys to be provided on the width of described heating furnace.By automobile
The shape impact of glass 6, for realizing uniformly heating, the centre of the marginal area of the left and right sides of vehicle glass 6 and vehicle glass 6
The air velocity of the Convective Heating needed for region simultaneously differs, by the thermal treatment zone on the left of setting on the width of heating furnace 1
14th, the middle thermal treatment zone 15 and the right side thermal treatment zone 16, thus realize different Convective Heating.
Technique thinking：
1. " channeling " problem in stove is solved using independent heating mode
Heated using independent heating mode, with sheet as coated glass, as a example small pieces are non-coated glass, big or small slice replaces
Upper piece, entrance is plated film or non-plated film using light eye sensing glass, when a sheet glass enters a certain independent heating area, according to
The Convective Heating parameter (can also no Convective Heating) of setting combines radiant heating (radiant heating using be the heating of stove silk), right
Glass is heated, and after waiting this sheet glass to leave this thermal treatment zone, then enters the glass of a piece of different qualities, further according to the convection current of setting
Heating parameters (can also no Convective Heating) combine radiant heating, it are heated, independent heating avoids " channeling problem ".
2. select suitable stream of hot air angle to solve the problems, such as positioning about glass delivery process
Using during convection current auxiliary heating, the adjustable angle of the gas hole of convected air, preferably with glass direction of advance level
Face is in 35 °～60 ° angles, is advisable with not resulting in glass " left and right positioning ".
3. above and below, hot-air flow velocity can individually adjust, and solve prior art and realize difficulty for coated glass heating
Big problem
The parameter of Convective Heating can be adjusted according to the characteristic of glass, to Convective Heating above and below coated glass pane offer
When, above and below forced air flow velocity can be different.
Specifically, forced air flow velocity needed for large stretch of coated surface is big, non-plated film taking large stretch of plated film, small pieces not plated film as a example
Forced air flow velocity needed for face is little it is preferred that the ratio of the forced air flow velocity of coated surface and non-coated surface controls 1.5:1～3:
1 (tapping temperature according to every sheet glass adjusts), enables the preferable heating to coated glass.In addition, small pieces and large stretch of contrast and
Speech, small pieces also can choose suitable Convective Heating, but hot-air flow velocity needed for small pieces will be less than large stretch of non-coated surface stream of hot air
Speed is it is preferred that small pieces hot-air flow velocity is large stretch of non-coated surface stream of hot air speed 1/4～2/3 (according to coming out of the stove of every sheet glass
Temperature adjusts).
4. design parameter design, facilitates implementation
1) radiant heating parameter
12 independent heating areas of setting in heating furnace, the target heating temperature of each thermal treatment zone sets step by step from 350 °～680 °
Put, any one suitable set-up mode all can adopt.
So that the target temperature of each thermal treatment zone increases by 30 ° as a example, that is,
| The thermal treatment zone | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Target temperature | 350° | 380° | 410° | 440° | 470° | 500° | 530° | 560° | 590° | 620° | 650° | 680° |
Taking target temperature speedup difference as a example (heat up by 30 ° in Adjacent heating zones>40°—>20 °), that is,
| The thermal treatment zone | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Target temperature | 350° | 380° | 410° | 440° | 480° | 520° | 560° | 600° | 620° | 640° | 660° | 680° |
2) Convective Heating parameter
, control hot-air valve opening size using electric proportional-regulation valve taking large stretch of plated film, small pieces not plated film as a example,
It is specially 1～No. 12 thermal treatment zone, each thermal treatment zone utilizes independent electric proportional-regulation valve to control hot-air valve opening, opens
Scope is 0～100% unlatching.Preferably, the ratio of the forced air flow velocity of coated surface and non-coated surface controls 1.5:1～3:1
(tapping temperature according to every sheet glass adjusts), small pieces hot-air flow velocity is the 1/4～2/3 of large stretch of non-coated surface stream of hot air speed
(tapping temperature according to every sheet glass adjusts).
5. convection current hot air nozzle structure design, heats beneficial to uniform
Wide again under in the structure of trachea, alleviating distention in middle-JIAO is tight, such structure is conducive to the air in pipeline to be sufficiently mixed, and blows
Air holes adjustable angle, is easy in actual production control airflow direction.
6. utilize in-furnace temperature to heat air, save energy consumption
On the one hand the thermal losses that stove external heat transmitting procedure can be saved is；In addition, according to contrast patent content, its heat is empty
Gas flow temperature is less 20 DEG C than in-furnace temperature～and 30 DEG C, therefore for ensureing the hot air temperature that in stove, regional is passed through when being heated
For required hot air temperature, stove external heat has to ensure that the hot-air heating is the maximum temperature needed for each section always, and
In the invention stove, each zone temperatures are from low to high, using heating in stove only with according to the temperature required difference in each thermal treatment zone
It is heated to suitable temperature, so for this respect, heating in stove also saves energy consumption than stove external heat.
Equipment constructs：
1. heating furnace is made up of 12 relatively independent thermals treatment zone, linear distribution；
2. transmission roller channel runs through all thermals treatment zone；
3. each thermal treatment zone import and export room is separated with other thermals treatment zone with dividing plate respectively, and dividing plate stays seam to be easy to glass turnover,
Chinky altitude can be adjusted according to thickness of glass difference, can be passed right through with glass and be advisable；
4. heating furnace upper and lower has the supervisor of logical compressed air, and gas is assigned to each arm, arm cloth by supervisor
Put between stove silk and roller-way, coil in the shape of a spiral, spiral helicine purpose is that utilization space stores steam to greatest extent；
5. connect a blower under every arm, so that the blower of a thermal treatment zone is distributed as a example, along body of heater length side
Upwards, two adjacent blowers be spaced apart 30cm, along along body of heater width, being spaced apart of adjacent two blowers
10cm.Wide again under in the structure of connecting tube, alleviating distention in middle-JIAO is tight, the adjustable angle of blowhole, this structure is advantageous in that and contributes to air
It is sufficiently mixed, heat evenly, blowhole gone out forced air flow velocity passing ratio valve regulation.
As shown in figure 3, blower 32 is connected with flexible flexible pipe 34, blower 32 is rotated with motor control, due to us
Only with realizing blowhole 33 with glass direction of advance horizontal plane in 35～60 ° of angles, so connected with flexible flexible pipe 34 can't
Impact rotation, Fig. 3 be can one of embodiment, but be not limited only to this.
Above content has been described in detail to a kind of heating means of vehicle glass of the present invention and heater,
But the present invention is not limited to by specific embodiments described above content, so all carried out according to technical key point
Any improvement, equivalent modifications and replacement etc., belong to the scope of protection of the invention.
Claims (4)
1. a kind of heating means of vehicle glass, are alternately carried in coated glass and the non-plated film glass on delivery roll for heating
Glass, described coated glass and non-coated glass are used for being paired together to form laminated glass, described coated glass and non-plated film
Glass is transferred into heating furnace on the transport plane of delivery roll and spreads out of described heating furnace again after being heated to design temperature, described
Heating furnace has the length direction parallel with the transmission direction of described delivery roll and parallel with the axial direction of described delivery roll
Width, described heating furnace includes upper of furnace body and lower portion of furnace body, and described heating furnace passes through upper of furnace body and lower portion of furnace body
The radiant heating of Convective Heating and upper of furnace body and lower portion of furnace body is heating described coated glass and non-coated glass, its feature
It is：In the transmission direction along described delivery roll, described heating furnace by dividing plate be separated into several linearly aligned plus
Hot-zone, the temperature of the described thermal treatment zone is in monotonic increase along the transmission direction of described delivery roll, and described heating furnace is provided with for adjusting
Save the gas flow divider system of the air velocity of described Convective Heating, the air velocity of the Convective Heating of the described thermal treatment zone can basis
The vehicle glass that each thermal treatment zone is loaded is adjusted；When the vehicle glass loading in the described thermal treatment zone is coated glass,
The coated surface of this coated glass is 1.5 with the ratio of the air velocity of the Convective Heating of the non-coated surface of this coated glass:1～3:1；
When the non-coated glass that the vehicle glass that the described thermal treatment zone loads is with the pairing of this coated glass, two of this non-coated glass
The air velocity of the Convective Heating on surface is the 1/4～2/ of the air velocity of the Convective Heating of non-coated surface of this coated glass
3.
2. vehicle glass according to claim 1 heating means it is characterised in that：Width in described heating furnace
On, the described thermal treatment zone has the air velocity of different Convective Heating.
3. vehicle glass according to claim 1 heating means it is characterised in that：Described upper of furnace body and lower portion of furnace body
Be equipped with blower, the axial direction of described blower is axially in parallel with described delivery roll, described blower towards described transmission
The side of roller is provided with least one row's blowhole, the direction of described blowhole towards described delivery roll transmission direction and with level
The angle in face is 35 °～60 °, and the air of described Convective Heating blows to described coated glass and non-plated film glass by described blowhole
On the surface of glass.
4. vehicle glass according to claim 3 heating means it is characterised in that：Air in described blower is profit
With the constant temperature of each thermal treatment zone be heated, then blow to coated glass and the surface of non-coated glass carry out Convective Heating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410618115.7A CN104402249B (en) | 2014-11-05 | 2014-11-05 | Automobile glass heating method and heating device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410618115.7A CN104402249B (en) | 2014-11-05 | 2014-11-05 | Automobile glass heating method and heating device thereof |
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| CN104402249A CN104402249A (en) | 2015-03-11 |
| CN104402249B true CN104402249B (en) | 2017-02-15 |
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| CN107056084B (en) * | 2017-05-31 | 2023-11-17 | 信义节能玻璃（芜湖）有限公司 | Three-silver low-emissivity coated glass and manufacturing method and application thereof |
| CN113845295B (en) * | 2021-09-14 | 2023-10-13 | 福耀集团(福建)机械制造有限公司 | Convection heating element for glass heating furnace |
| CN113636747B (en) * | 2021-09-14 | 2023-10-13 | 福耀集团(福建)机械制造有限公司 | Glass heating furnace and glass heating method |
| CN114630458B (en) * | 2022-03-14 | 2023-10-27 | 福建晶烯新材料科技有限公司 | Manufacturing process of transparent semiconductor heating toughened glass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH02307833A (en) * | 1989-05-19 | 1990-12-21 | Nippon Sheet Glass Co Ltd | Heating of plate glass for laminated glass |
| FI20010528A0 (en) * | 2001-03-16 | 2001-03-16 | Tamglass Ltd Oy | Method and apparatus for heating glass sheets in a cured oven |
| CN1227172C (en) * | 2003-09-22 | 2005-11-16 | 王斌 | Horizontal roller-free making process of toughened glass with double curved surface |
| CN201634572U (en) * | 2010-02-01 | 2010-11-17 | 浙江鼎玻自动化设备有限公司 | Glass tempering furnace produced in single and double type combining way |
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Application publication date: 20150311 Assignee: FUYAO GLASS INDUSTRY GROUP Co.,Ltd. Assignor: FUJIAN WANDA AUTOMOBILE GLASS INDUSTRY Co.,Ltd. Contract record no.: X2023350000432 Denomination of invention: A heating method and heating device for automotive glass Granted publication date: 20170215 License type: Common License Record date: 20231116 |