CN205382085U - Intensification stove of float glass production runner flashboard - Google Patents
Intensification stove of float glass production runner flashboard Download PDFInfo
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- CN205382085U CN205382085U CN201620203218.1U CN201620203218U CN205382085U CN 205382085 U CN205382085 U CN 205382085U CN 201620203218 U CN201620203218 U CN 201620203218U CN 205382085 U CN205382085 U CN 205382085U
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Abstract
The utility model relates to a float glass production field discloses an intensification stove of float glass production runner flashboard. Intensification stove of float glass production runner flashboard, the inside of the stove that should heat up includes: floodgate board cavity (3), this floodgate board cavity (3) is used for holding and waits to heat up the partly at least of flashboard (1), heating portion, this heating portion can heat floodgate board cavity (3) are with to lieing in floodgate board cavity (3) are inside wait to heat up flashboard (1) heat up, and temperature sensory unit, this temperature sensory unit can the sensing temperature in floodgate board cavity (3). The utility model discloses an intensification stove of float glass production runner flashboard and float glass production runner alternate segregation for the intensification process of flashboard can not exert an influence to float glass production, and at intensification stove set temperature sensory unit, make the intensification process of flashboard meticulous controllable, is showing the improvement and is leading to the qualification rate that the flashboard of float glass production runner heaied up.
Description
Technical field
This utility model relates to float glass field, in particular it relates to the heating furnace of a kind of floatation glass production line runner flashboard.
Background technology
In common floatation glass production line, flashboard can be set at vitreous humour runner place, control to be flowed into the vitreous humour flow of pressing section by adjusting the aperture of flashboard.Wherein, the temperature at the vitreous humour at vitreous humour runner place is typically about 1120 DEG C, therefore, flashboard generally adopt good thermal shock, can at 1150 DEG C not corroded by vitreous humour, and the vitreous silica that vitreous humour is not polluted is as the material of flashboard.
Vitreous silica flashboard uses at 1120 DEG C of temperature and within 3 to 5 months, is accomplished by being replaced once.In tradition, generally arranging two flashboard active positions at vitreous humour runner place, one of them flashboard is in resting state, when flashboard changed by needs, then puts down standby flashboard and then mentions flashboard to be replaced again, and then complete the replacing of flashboard.Specifically, shown in Figure 1, in the vitreous humour runner of diagram float glass system, flashboard 102 to be removed is in use state, to be placed into flashboard 101 place resting state, when flashboard changed by needs, the upside of front arch 16 will be lifted into be placed into flashboard 101 and open front arch 16, allow the steam slime flux of the vitreous humour upper space in runner 15 to being heated to be placed into flashboard 101 to be placed into flashboard 101 place, measure the temperature to be placed into flashboard 101 with manual infrared radiation thermometer simultaneously, along with to be placed into flashboard 101 temperature raise reduce the height to be placed into flashboard 101 slowly until to be placed into flashboard 101 close to vitreous humour surface time stop decline.The relevant position being inserted into be placed into flashboard 101 in vitreous humour again when then waiting to be placed into the underlaying surface temperature of flashboard 101 close to vitreous humour upper surface temperature, then proposes flashboard 102 to be removed slowly, completes the replacing of whole flashboard.Wherein, owing to needing the front arch 16 opened above runner 15 when flashboard is changed, cause that dust falls in the vitreous humour in runner 15, affect glass quality, in whole flashboard Renewal process, there is no qualified products output, affect the production of glass for a long time.
In addition, although the flashboard thermal shock resistance of vitreous silica material is superior, but due to whole new flashboard 101 temperature-rise period by the thermal current in runner 15 and the ambient temperature effect outside runner 15, cause that the temperature fluctuation of new flashboard 101 is bigger, when changing flashboard to be placed in the baking temperature-rise period of flashboard 101, the spoilage to be placed into flashboard 101 is about 30%.Once damage, then need again change flashboard and flashboard is heated up again, substantially prolongs flashboard replacing construction, affect the normal operation of glass production line for a long time.In addition, due to can closer to the temperature of vitreous humour with lower part at the front arch 16 of runner 15 to be placed into flashboard 101, cause that the upper and lower temperature difference to be placed into flashboard 101 reaches hundreds of degree Celsius, it is subject to bigger thermal shock when slowly inserting vitreous humour to be placed into flashboard 101, being very easy to cause that flashboard bursts, starting anew to heat thus needing to change flashboard.
In addition, the flashboard of vitreous silica material is only capable of the common floatation glass production line being applied in temperature of glass liquid below 1150 DEG C, for the special float glass production line producing the glass such as high alumina cover plate, TFT liquid-crystalline glasses, the temperature of its vitreous humour runner is up to 1350 DEG C, and special float glass production line needs the flashboard of flashboard or the AZS material adopting more excellent and that vitreous humour is not the polluted electro-corundum material of high temperature anti-vitreous humour erosion performance.But, the thermal shock resistance of the flashboard of electro-corundum material or the flashboard of AZS material is very poor, the replacing options adopting above-mentioned conventional vitreous humour runner flashboard causes that the spoilage of flashboard reaches 99%, simultaneously, the programming rate of the flashboard of electro-corundum material or the flashboard of AZS material needs to control in less scope, the flashboard Renewal process making the vitreous humour runner of special float glass production line needs to continue at least 3 days, causes great economic loss.
The problems referred to above in view of prior art, it is desirable to have the heat riser of a kind of vitreous humour runner and method can overcome or at least alleviate the drawbacks described above of prior art.
Utility model content
The purpose of this utility model is to provide the heating furnace of a kind of floatation glass production line runner flashboard, and this heating furnace enables to floatation glass production line runner flashboard and heats up with comparatively suitable heating curve.
To achieve these goals, this utility model provides the heating furnace of a kind of floatation glass production line runner flashboard, the inside of this heating furnace includes: flashboard chamber, the at least some of of intensification flashboard is treated for holding in this flashboard chamber, and described be contained in described flashboard intracavity until intensification flashboard time, with described, the inwall in described flashboard chamber will treat that intensification flashboard is spaced；Heating part, described flashboard chamber can be heated to be pointed to described in described flashboard intracavity portion treating that intensification flashboard heats up in this heating part；And temperature sensing unit, this temperature sensing unit can sense the temperature of described flashboard intracavity.
Preferably, in the short transverse in described flashboard chamber, the first temperature sensing portion that described temperature sensing unit includes being respectively used to sense the upper temp in described flashboard chamber and for sensing the second temperature sensing portion of the temperature of lower in described flashboard chamber.
Preferably, described flashboard chamber is formed as cuboid chamber, and the short transverse in described flashboard chamber vertically extends so that described in treat that intensification flashboard vertically can insert described flashboard intracavity from top to bottom.
Preferably, described first temperature sensing portion includes the multiple temperature sensors being arranged in sustained height place along the length direction interval in described flashboard chamber, and multiple described temperature sensor is separately positioned on along the relative both sides of the width in described flashboard chamber；And/or described second temperature sensing portion includes multiple temperature sensors of being arranged in sustained height place along the length direction interval in described flashboard chamber, and multiple described temperature sensor is separately positioned on along the relative both sides of the width in described flashboard chamber.
Preferably, described heating part includes the combustor being arranged on the downside in described flashboard chamber, and described combustor connects with described flashboard chamber in the inside of described heating furnace so that the heat in described combustor can be transferred to described flashboard chamber to heat described flashboard chamber.
Preferably, described heating part also includes conduction of heat chamber, and described conduction of heat chamber is arranged between described combustor and described flashboard chamber, and described conduction of heat chamber is positioned at the underface in described flashboard chamber.
Preferably, it is provided with soaking plate between described flashboard chamber and described conduction of heat chamber, described soaking plate is formed as the base plate in described flashboard chamber, and described soaking plate is except for being just evenly arranged with multiple heat transfer hole to be placed into other parts except the part treating intensification flashboard described in described flashboard chamber.
Preferably, between described combustor and described conduction of heat chamber, it is provided with blast screen, described blast screen is formed multiple thermal hole.
Preferably, the perisporium of described combustor being provided with fire jetting hole, outside flame gun or the nozzle of the supporting flame gun of described heating furnace self can be directed at described fire jetting hole with to jet flames in described combustor.
Preferably, the perisporium of described combustor is arranged at intervals with multiple described fire jetting hole, described flame gun includes high temperature flame gun and low-temp. spraying firelock, the temperature province of described flashboard intracavity is set to include: low-temperature space, at described low-temperature space, by many described low-temp. spraying firelocks to jet flames in described combustor；Transition region, in described transition region, described low-temp. spraying firelock is progressively replaced by described high temperature flame gun, wherein, first changes the described low-temp. spraying firelock at the middle part being positioned at described combustor, then changes the described low-temp. spraying firelock of the edge part being positioned at described combustor again；And high-temperature region, in described high-temperature region, by many described high temperature flame guns to jet flames in described combustor.
Preferably, at described low-temperature space, the fuel flow rate of described low-temp. spraying firelock is gradually increased to the first predetermined amount of flow, and in described transition region and/or described high-temperature region, the fuel flow rate of described high temperature flame gun is gradually increased to the second predetermined amount of flow.
Preferably, described low-temperature space includes the first relatively low warm area of temperature and higher the second warm area of temperature, wherein, at described first warm area, by the part in many described low-temp. spraying firelocks to described combustor jet flames, wherein, the fuel flow rate of each described low-temp. spraying firelock is incrementally increased to middle part flow by initial flow；At described second warm area, whole in jet flames in described combustor by many described low-temp. spraying firelocks, wherein, the fuel flow rate of each described low-temp. spraying firelock incrementally increases to the first predetermined amount of flow.
Preferably, the surrounding in described flashboard chamber is provided with the liner tile being made up of refractory material, and the arranged outside of described liner tile has insulating brick, and the outside of described insulating brick is formed with furnace shell.
According to another aspect of the present utility model, the temperature-rising method of a kind of floatation glass production line runner flashboard is provided, this temperature-rising method comprises the steps: the first step, will treat the intensification flashboard lifting flashboard chamber place to the heating furnace of above-mentioned floatation glass production line runner flashboard；Second step, treats intensification flashboard described in mobile so that described in treat that intensification flashboard is at least part of and be contained in described flashboard intracavity；And the 3rd step, described flashboard chamber is heated and then treats that intensification flashboard heats up described in making, until described in treat that intensification flashboard is warming up to predetermined temperature, wherein, in described 3rd step, according to the thermal dilatometry of the described material treating intensification flashboard determine described in treat the heating curve of intensification flashboard.
Preferably, in described 3rd step, obtain the upper temp T in described flashboard chamber respectively1Temperature of lower T with described flashboard chamber2, and with described upper temp T1With described temperature of lower T2Weighted mean as the temperature T in described flashboard chamber, adjust the described heating part firing rate to described flashboard chamber according to described temperature T.
Preferably, described temperature T=upper temp T1× 40%+ temperature of lower T2× 60%.
Preferably, when described when intensification flashboard is vitreous silica material, described in treat that the programming rate of intensification flashboard is 80 DEG C/h～100 DEG C/h；Or when described when intensification flashboard is electro-corundum material, described in treat that the programming rate of intensification flashboard is 10 DEG C/h～20 DEG C/h；Or when described when intensification flashboard is AZS material, when described when the temperature of intensification flashboard is between 0 DEG C～900 DEG C, the described programming rate treating intensification flashboard is 10 DEG C/h～20 DEG C/h, when described when the temperature of intensification flashboard is between 900 DEG C～1100 DEG C, the described programming rate treating intensification flashboard is 5 DEG C/h～10 DEG C/h, when the described temperature until intensification flashboard is higher than 1100 DEG C, described in treat that the programming rate of intensification flashboard is 10 DEG C/h～15 DEG C/h.
Preferably, described predetermined temperature is higher than the temperature of the vitreous humour in floatation glass production line runner 50 DEG C～100 DEG C.
Preferably, in described second step, described in treat that the top of intensification flashboard is exposed at the outside in described flashboard chamber, by high temperature felt hide described in treat that intensification flashboard is exposed at the part outside described flashboard chamber.
Preferably, in described second step, make being spaced between 100mm to 150mm between the sidewall in described flashboard chamber and the described sidewall treating intensification flashboard, and make the interval between the bottom in described flashboard chamber and the described lower end treating intensification flashboard more than or equal to 100mm.
According to another aspect of the present utility model, the replacing options of a kind of floatation glass production line runner flashboard is provided, described floatation glass production line runner includes the first flashboard and installs point and the second flashboard installation point, described first flashboard is installed some place and is provided with flashboard to be removed, described replacing options comprises the steps: the first step, contiguous floatation glass production line runner arranges heating furnace mounting seat, and is arranged in described heating furnace mounting seat by the heating furnace of above-mentioned floatation glass production line runner flashboard；Second step, is heated up to be placed into flashboard by the temperature-rising method of above-mentioned floatation glass production line runner flashboard；3rd step, described after will heat up to described floatation glass production line runner place to be placed into flashboard lifting, and is directed at described second flashboard and installs point；And the 4th step, by described put in place to be placed into flashboard adjustment installation after, described flashboard to be removed is removed from described floatation glass production line runner, completes the replacing of flashboard.
Preferably, described heating furnace mounting seat is provided with the flashboard supporting construction being correspondingly arranged with described flashboard chamber, in described second step, be arranged on described in described flashboard supporting construction to be placed into flashboard, then move described to be placed into flashboard so that described in be contained in described flashboard intracavity to be placed into flashboard is at least part of.
Preferably, in described 3rd step, moved integrally described to floatation glass production line runner place from the heating furnace of floatation glass production line runner flashboard to be placed into flashboard and described flashboard supporting construction by lifting crane, and be directed at described second flashboard installation point.
Pass through technique scheme, the heating furnace of floatation glass production line runner flashboard and floatation glass production line runner are separated from each other, floatation glass production line will not be produced impact by the temperature-rise period making flashboard, and at heating furnace, temperature sensing unit is set, the temperature-rise period making flashboard is finely controlled, significantly improve the qualification rate that the flashboard of logical floatation glass production line runner heats up, flashboard success rate for common vitreous silica material can reach more than 98%, also can reach the qualification rate of about 80% for the flashboard of electro-corundum material and the flashboard of AZS material.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, but is not intended that restriction of the present utility model together with detailed description below.In the accompanying drawings:
Fig. 1 is the cross-sectional schematic of floatation glass production line runner.
Fig. 2 is the sectional view along hatching A-A of the floatation glass production line runner shown in Fig. 1.
Fig. 3 is the cross-sectional schematic of the heating furnace of the floatation glass production line runner flashboard according to a kind of embodiment of the present utility model；
Fig. 4 is the cross-sectional schematic of another angle of the heating furnace of the floatation glass production line runner flashboard shown in Fig. 3.
Description of reference numerals
1 treats intensification flashboard；101 to be placed into flashboard；
102 flashboards to be removed；2 flashboard supporting constructions；
201 flashboard holders；3 flashboard chambeies；
4 first temperature sensing portion；5 second temperature sensing portion；
6 flame guns；7 combustor；
701 fire jetting holes；8 blast screens；
801 thermal holes；9 conduction of heat chambeies；
10 furnace shells；11 soaking plate；
111 heat transfer holes；12 insulating bricks；
13 liner tile；14 support columns；
15 floatation glass production line runners；Edge on 151 runners；
16 front arch.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
According to an aspect of the present invention, the heating furnace of a kind of floatation glass production line runner flashboard is provided, referring to Fig. 3 and Fig. 4, the inside of this heating furnace includes: flashboard chamber 3, the at least some of of intensification flashboard 1 is treated for holding in this flashboard chamber 3, and when being contained in flashboard chamber 3 until intensification flashboard 1, the inwall in flashboard chamber 3 will with treat that intensification flashboard 1 is spaced；Heating part, flashboard chamber 3 can be heated to be pointed to treat that intensification flashboard 1 heats up within flashboard chamber 3 in this heating part；And temperature sensing unit, this temperature sensing unit can sense the temperature in flashboard chamber 3.
The heating furnace of floatation glass production line runner flashboard and floatation glass production line runner 15 are separated from each other, make the temperature-rise period treating intensification flashboard 1 floatation glass production line will not be produced impact, and at heating furnace, temperature sensing unit is set, make the temperature-rise period treating intensification flashboard 1 finely controlled, significantly improve the qualification rate that the flashboard of logical floatation glass production line runner heats up, flashboard success rate for common vitreous silica material can reach more than 98%, also can reach the qualification rate of about 80% for the flashboard of electro-corundum material and the flashboard of AZS material.
The inwall in flashboard chamber 3 and treat, between intensification flashboard 1, there is interval, make heating part produce heat to be transferred to treat that intensification flashboard 1 heats up to treat intensification flashboard 1 by the mode radiated with convection current, treat intensification flashboard 1 not with the contact internal walls in flashboard chamber 3, only with air contact, avoid treating that intensification flashboard 1 is contaminated in high temperature environments, cause that the flashboard after heating up cannot use.
The form that arranges of described temperature sensing unit can select arbitrarily suitable to arrange form according to actual needs, it is possible to the temperature in sensing flashboard chamber 3.Due in temperature-rise period, treat that upper temp and the temperature of lower of intensification flashboard 1 have different, therefore, in order to obtain the temperature in flashboard chamber 3 more accurately, preferably, in the short transverse in flashboard chamber 3, the first temperature sensing portion 4 that described temperature sensing unit includes being respectively used to sense the upper temp in described flashboard chamber 3 and for sensing the second temperature sensing portion 5 of the temperature of lower in flashboard chamber 3.Average or the weighted mean of upper temp and upper temp that user can pass through flashboard chamber 3 can control the heating part firing rate to flashboard chamber 3.
The shape in flashboard chamber 3 can select arbitrarily suitable shape according to actual needs.Cuboid or the shape of similar cuboid it is generally due to the shape with intensification flashboard 1, therefore, flashboard chamber 3 is preferably formed to cuboid chamber, and the short transverse in flashboard chamber 3 vertically extends so that treat that intensification flashboard 1 can vertically insert in flashboard chamber 3 from top to bottom.Wherein, the shape progress in the flashboard chamber 3 being formed as cuboid chamber also can be optimized by user, such as, arc-shaped transition plate transition will be passed through between the base plate in flashboard chamber 3 and side plate, the shape making flashboard chamber 3 is fitted more with the shape treating intensification flashboard 1 so that treat that the intensification of intensification flashboard 1 is more uniform.
The concrete form of the first temperature sensing portion 4 and the second temperature sensing portion 5 can carry out suitable design according to actual needs.Preferably, referring to shown in Fig. 3 and Fig. 4, first temperature sensing portion 4 includes the multiple temperature sensors being arranged in sustained height place along the length direction interval in flashboard chamber 3, and multiple described temperature sensor is separately positioned on along the relative both sides of the width in flashboard chamber 3；And/or second temperature sensing portion 5 include multiple temperature sensors of being arranged in sustained height place along the length direction interval in flashboard chamber 3, and multiple described temperature sensor is separately positioned on along the relative both sides of the width in flashboard chamber 3, by calculating the average of each temperature sensing part in the first temperature sensing portion 4 and the second temperature sensing portion 5 respectively and obtaining upper temp and the temperature of lower in flashboard chamber 3 so that temperature sensing unit can obtain the temperature in flashboard chamber 3 more accurately.Wherein, the quantity of described temperature sensor and type can carry out suitable selection according to actual needs, it is possible to obtain temperature data accurately, for instance, each temperature sensing portion includes six hotness galvanic couples.Additionally, user arranges more temperature sensing portion also dependent on practical situation along flashboard chamber 3 short transverse, and the sensing data according to multiple temperature sensing portion obtain the temperature in flashboard chamber 3 more accurately.
The type of described heating part can select arbitrarily suitable form according to actual needs, for instance, it is arranged on the electric heater unit etc. of the periphery in flashboard chamber 3.Preferably, described heating part includes the combustor 7 being arranged on the downside in flashboard chamber 3, and combustor 7 connects with flashboard chamber 3 in the inside of described heating furnace so that the heat in combustor 7 can be transferred to flashboard chamber 3 to heat flashboard chamber 3, saves heating cost.The arrangement form of combustor 7 can carry out suitable selection according to actual needs, for instance, it is arranged on the bottom in flashboard chamber 3 or is arranged on the surrounding etc. in flashboard chamber 3, user can carry out suitable selection according to actual needs.
Preferably, equal heat structure or device it is provided with between above-mentioned heating part and flashboard chamber 3, so, the heat that described heating part produces first passes through this equal heat structure or device carries out homogenization, make the heat after homogenization can evenly in flashboard chamber 3, thus avoiding a certain regional temperature in flashboard chamber 3 too low or too high.Preferably, equal heat structure or device are arranged between combustor 7 and flashboard chamber 3, and are positioned at the inside of heating furnace.
Further preferably, described heating part also includes conduction of heat chamber 9, now, conduction of heat chamber 9 can be formed as a part for equal heat structure or device, certainly, this equal heat structure or device can also include following soaking plate 11 and blast screen 8, and now, blast screen 8 and conduction of heat chamber 9 and soaking plate 11 collectively form this equal heat structure or device.Conduction of heat chamber 9 is arranged between combustor 7 and flashboard chamber 3, and conduction of heat chamber 9 is positioned at the underface in flashboard chamber 3, and the heat that combustor 7 burning produces conducts to flashboard chamber 3 from the underface in flashboard chamber 3 after conduction of heat chamber 9 is cushioned.The heat that combustor 7 produces is avoided to act directly on flashboard chamber 3, cause that the part treating intensification flashboard 1 arranged near combustor 7 is bigger with the temperature contrast of the part treating intensification flashboard 1 arranged away from combustor 7, and then cause the defect that flashboard damages, and the flashboard chamber 3 that the underface that conduction of heat chamber 9 is arranged on flashboard chamber 3 heat that is also beneficial in conduction of heat chamber 9 is upwards put is propagated.Wherein, the position of combustor 7 can carry out suitable selection according to actual needs, for instance, it is arranged on underface or the side in conduction of heat chamber 9, user can select suitable position according to practical situation.
Preferably, referring to Fig. 3 and Fig. 4, soaking plate 11 it is provided with between flashboard chamber 3 and conduction of heat chamber 9, soaking plate 11 is formed as the base plate in flashboard chamber 3, make combustor 7 conduct the heat to conduction of heat chamber 9 to conduct to flashboard chamber 3 more uniformly through soaking plate 11, and other parts except to be placed into the part treating intensification flashboard 1 in flashboard chamber 3 are just evenly arranged with multiple heat transfer hole 111 except being used for by soaking plate 11, the setting in conduction of heat hole 11 can improve the conduction efficiency of heat, and, in the shown embodiment, soaking plate 11 is not provided with conduction of heat hole for the part just treating intensification flashboard 1, heat is mainly through the interval conduction treated between the sidewall in intensification flashboard 1 and flashboard chamber 1, avoid heat directly to impact and treat that the bottom of intensification flashboard 1 causes treating that the upper and lower temperature difference of intensification flashboard 1 is bigger.The shape in conduction of heat hole 111, quantity and size can carry out suitable selection according to actual needs, meet user demand.
Preferably, blast screen 8 it is provided with between combustor 7 and conduction of heat chamber 9, blast screen 8 is formed multiple thermal hole 801, the flame in combustor 7 is avoided directly to impact conduction of heat chamber 9 in a large number, cause that the upper and lower temperature difference in flashboard chamber 3 is bigger, blast screen 8 can effectively stop flame, and the heat conduction sky 801 simultaneously arranged on blast screen 8 also makes heat can conduct smoothly to conduction of heat chamber 9.
Flame combustion mode in combustor 7 can carry out suitable selection according to actual needs, such as, it is continuing to supply fuel in combustor 7, and by igniter, fuel is burnt in combustor 7, but this setup is higher for intensity and the sealing requirements of combustor 7, and unburnt fuel likely leaks to flashboard chamber 3 or conduction of heat chamber 9.Preferably, the perisporium of combustor 7 is provided with fire jetting hole 701, the nozzle of outside flame gun 6 or the supporting flame gun 6 of described heating furnace self can be directed at fire jetting hole 701 with to jet flames in combustor 7, combustor 7 only holds the flame of flame gun 6 ejection, the requirement of combustor 7 is relatively low, reduce the manufacturing cost of combustor 7, and the controllability of the flame gun 6 of peripheral hardware is also higher.
Preferably, the perisporium of combustor 7 is arranged at intervals with multiple fire jetting hole 701, can be combined by many flame guns 6 and use to combustor 7 jet flames so that the adjustable heat capacity scope of combustor 7 is bigger.It is further preferred that flame gun 6 includes high temperature flame gun and low-temp. spraying firelock, and the temperature being constantly heated such that in flashboard chamber 3 along with flashboard chamber 3 is continually changing, and the temperature province in flashboard chamber 3 is set to include:
Low-temperature space, at described low-temperature space, by many described low-temp. spraying firelocks to jet flames in combustor 7, the temperature range of described low-temperature space can be determined according to the maximum flame ability of low-temp. spraying firelock, in the shown embodiment, low-temp. spraying firelock adopts gas discharge to use scope less than 2.0Nm3The natural gas spraying gun of/h, when using three spray guns at most simultaneously, the temperature ranged in flashboard chamber 3 of low-temperature space is preferably less than the temperature range of 500 DEG C；
Transition region, in described transition region, described low-temp. spraying firelock is progressively replaced by described high temperature flame gun, heat to increase combustor 7 exports, wherein, first the described low-temp. spraying firelock at the middle part being positioned at combustor 7 is changed, then the described low-temp. spraying firelock of the edge part being positioned at combustor 7 is changed again, to reduce the temperature fluctuation in the flashboard chamber 3 in flame gun Renewal process as far as possible, the temperature range of described transition region is determined according to the maximum flame ability of low-temp. spraying firelock and high temperature flame gun, in the shown embodiment, low-temp. spraying firelock adopts gas discharge to use scope less than 2.0Nm3The natural gas spraying gun of/h, when using three spray guns at most simultaneously, the temperature range of transition region is the interval of about 500 DEG C；And
High-temperature region, in described high-temperature region, by many described high temperature flame guns to jet flames in combustor 7, the temperature range of described high-temperature region can be determined according to the maximum flame ability of low-temp. spraying firelock and high temperature flame gun, in the shown embodiment, low-temp. spraying firelock adopts gas discharge to use scope less than 2.0Nm3The natural gas spraying gun of/h, high temperature flame gun adopts gas discharge to use and ranges for 2.0Nm3/ h to 10.0Nm3The natural gas spraying gun of/h, when using three spray guns at most simultaneously, the temperature range of high-temperature region is the interval of 500 DEG C to 1500 DEG C.
Wherein, it is understandable that, when within one week of combustor 7, being both provided with fire jetting hole 7, also flame gun is changed at optional interval, or think that another portion is edge side fire jetting hole to any one part in fire jetting hole 7 for middle part fire jetting hole, user can carry out suitable selection according to practical situation, it is possible to reduces the temperature fluctuation in flashboard chamber 3 in the process changing spray gun.
Wherein, so that treat that intensification flashboard 1 heats up gradually with speed comparatively smoothly, at described low-temperature space, the fuel flow rate of described low-temp. spraying firelock is gradually increased to the first predetermined amount of flow, in described transition region and/or described high-temperature region, the fuel flow rate of described high temperature flame gun is gradually increased to the second predetermined amount of flow.Wherein, first predetermined amount of flow and the second predetermined amount of flow use scope according to the gas discharge of low-temp. spraying firelock and high temperature flame gun and treat that the final required temperature of intensification flashboard 1 is determined, such as, in the shown embodiment, the fuel flow rate of low-temp. spraying firelock is by initial 0.2Nm3/ h is gradually increased to 1.9Nm3/ h (i.e. the first predetermined amount of flow), it is to avoid low-temp. spraying firelock uses at full capacity and causes easily breaking down.
Further preferably, described low-temperature space includes the first relatively low warm area of temperature and higher the second warm area of temperature, wherein, at described first warm area, by the part in many described low-temp. spraying firelocks to combustor 7 jet flames, wherein, the fuel flow rate of each described low-temp. spraying firelock is incrementally increased to middle part flow by initial flow；At described second warm area, whole in jet flames in combustor 7 by many described low-temp. spraying firelocks, wherein, the fuel flow rate of each described low-temp. spraying firelock incrementally increases to the first predetermined amount of flow.At the intensification initial stage treating intensification flashboard 1, institute's calorific requirement is less, only use part low-temp. spraying firelock can meet user demand to combustor 7 jet flames, save the energy, fuel flow rate at low-temp. spraying firelock can make whole low-temp. spraying firelocks start flame when reaching middle part flow, it is to avoid part low-temp. spraying firelock load is bigger.Wherein, middle part flow can select suitable value according to practical situation, and in the shown embodiment, the fuel flow rate of part low-temp. spraying firelock is by initial 0.2Nm3/ h is gradually increased to middle part flow 1.0Nm3/ h, then makes whole low-temp. spraying firelocks start flame, and wherein, the initial flow just starting the low-temp. spraying firelock of flame at described second warm area can be 0.2Nm3/ h, it is possible to be other more suitable numerical value, for instance, 0.5Nm3/ h etc., user can carry out suitable selection according to practical situation.
The structure of heating furnace can carry out suitable design according to practical situation, it is preferable that the surrounding in flashboard chamber 3 is provided with the liner tile 13 being made up of refractory material, it is to avoid cause the damage of heating furnace under hot environment.It is further preferred that the arranged outside of liner tile 13 has insulating brick 12, the outside of insulating brick 12 to be formed with furnace shell 10, the setting of insulating brick 12 can reduce the temperature diffusion in flashboard chamber 3, improves flashboard chamber 3 and treats the temperature rise effect of intensification flashboard 1.
According to another aspect of the present invention, additionally providing the temperature-rising method of a kind of floatation glass production line runner flashboard, this temperature-rising method comprises the steps:
The first step, will treat that intensification flashboard 1 lifts flashboard chamber 3 place to the heating furnace according to floatation glass production line runner flashboard mentioned above；
Second step, moves and treats intensification flashboard 1 so that treat that intensification flashboard 1 is at least part of and be contained in flashboard chamber 3；And
3rd step, is heated flashboard chamber 3 and then makes to treat that intensification flashboard 1 heats up, until treating that intensification flashboard 1 is warming up to predetermined temperature, the value of described predetermined temperature can carry out suitable selection according to practical situation.
Wherein, in described 3rd step, the heating curve treating intensification flashboard 1 is determined according to the thermal dilatometry of the material treating intensification flashboard 1.
Temperature sensing unit in above-mentioned heating furnace can detect the temperature within flashboard chamber 3 in real time, and then the firing rate of this temperature adjustment heating part can be passed through, user can formulate suitable heating curve according to the thermal dilatometry of different flashboard materials, significantly improve the qualification rate after flashboard heats up, wherein, flashboard success rate for common vitreous silica material can reach more than 98%, also the qualification rate of about 80% can be reached for the flashboard of electro-corundum material and the flashboard of AZS material, and, treat that the temperature-rise period of intensification flashboard 1 is separated with floatation glass production line runner 15, make to will not interfere with the normal operation of floatation glass production line in the temperature-rise period of flashboard.
Preferably, in described 3rd step, obtain the upper temp T in flashboard chamber 3 respectively1Temperature of lower T with flashboard chamber 32, and with described upper temp T1With described temperature of lower T2Weighted mean as the temperature T in flashboard chamber 3, adjust the described heating part firing rate to flashboard chamber 3 according to described temperature T.Owing to, in temperature-rise period, treating that the upper temp of intensification flashboard 1 and temperature of lower have different, therefore, passing through T1With described temperature of lower T2Weighted mean can obtain the temperature conditions in flashboard chamber 3 more accurately as the temperature T in flashboard chamber 3.It is further preferred that described temperature T=upper temp T1× 40%+ temperature of lower T2× 60%.
The operating temperature of the vitreous silica material flashboard of common floatation glass production line runner is generally at about 1120 DEG C, and the thermal coefficient of expansion that vitreous silica material is between 0 DEG C to 1200 DEG C is about 0.55 × 10-6/ DEG C, for the vitreous silica material flashboard for common floatation glass production line runner, treat that the programming rate of intensification flashboard 1 is 80 DEG C/h～100 DEG C/h.
The electro-corundum material flashboard of special float glass production line runner or the operating temperature of AZS material flashboard are generally at about 1350 DEG C, and electro-corundum material thermal coefficient of expansion between 0 DEG C to 1400 DEG C is 6 × 10-6/ DEG C, for the electro-corundum material flashboard for special float glass production line runner, treat that the programming rate of intensification flashboard 1 is 10 DEG C/h～20 DEG C/h.AZS material thermal coefficient of expansion between 0 DEG C to 1400 DEG C is 8 × 10-6/ DEG C, but it has one first to shrink the crystal conversion expanded afterwards within the scope of 950 DEG C to 1050 DEG C, therefore, the programming rate of AZS material flashboard adopts segmented model, when when the temperature of intensification flashboard 1 is between 0 DEG C～900 DEG C, the programming rate treating intensification flashboard 1 is 10 DEG C/h～20 DEG C/h, when when the temperature of intensification flashboard 1 is between 900 DEG C～1100 DEG C, the programming rate treating intensification flashboard 1 is 5 DEG C/h～10 DEG C/h, when when the temperature of intensification flashboard 1 is higher than 1100 DEG C, treat that the programming rate of intensification flashboard 1 is 10 DEG C/h～15 DEG C/h.
It is understood that may be used without similar heating curve for the flashboard of other materials of thermal dilatometry similar vitreous silica material, electro-corundum material flashboard or AZS material, flashboard is heated up.
After completing intensification until intensification flashboard 1, need to treat that intensification flashboard 1 lifts to carry out installing and adjusting to floatation glass production line runner 15 place, in installation and adjustment process, flashboard temperature can produce a certain amount of decline under the impact of external environment, therefore, described predetermined temperature is higher than the temperature of the vitreous humour in floatation glass production line runner 50 DEG C～100 DEG C, make flashboard temperature decline a certain amount of after still with the temperature close of vitreous humour, it is to avoid when flashboard contacts with vitreous humour, excessive temperature differentials causes the damage of flashboard.
Treat that the upper end of intensification flashboard 1 is usually provided with flashboard holder 201, to treat that intensification flashboard 1 lifts to flashboard supporting construction 2 by flashboard holder 201, in tradition, flashboard holder 201 is generally metal material, is not suitable at high temperature being heated, it is thus preferred to ground, in described second step, treat that the top of intensification flashboard 1 is exposed at the outside in flashboard chamber 3, so that there is certain intervals between flashboard holder 201 and flashboard chamber 3, it is to avoid flashboard holder 201 heats to excessive temperature.Wherein, above-mentioned treat that intensification flashboard 1 refers to the part of flashboard practical function, do not include the part being clamped in flashboard holder 201.
Wherein, the part treating intensification flashboard 1 of the outside being exposed at flashboard chamber 3 can produce the bigger temperature difference with the part treating intensification flashboard 1 of the inside being contained in flashboard chamber 3, therefore, the part treating that intensification flashboard 1 is exposed at outside flashboard chamber 3 is hidden, the temperature difference between the part treating intensification flashboard 1 being exposed at the outside in flashboard chamber 3 with reduction and the part treating intensification flashboard 1 of the inside being contained in flashboard chamber 3 preferably by high temperature felt.Wherein, high temperature hides the material of felt and temperature can carry out suitable selection according to actual needs, it is preferred to, temperature is the polycrystalline mullite fibre felt of 1600 DEG C.
Preferably, in described second step so that the interval h1 between sidewall and the sidewall treating intensification flashboard 1 in flashboard chamber 3 is between 100mm to 150mm, and makes the interval h2 between the bottom in flashboard chamber 3 and the lower end treating intensification flashboard 1 more than or equal to 100mm.Make to treat, between the inwall in intensification flashboard 1 and flashboard chamber 3, there is enough heat flowing spaces, improve the temperature rise effect treating intensification flashboard 1, and making to treat, between the inwall in intensification flashboard 1 and flashboard chamber 3, there is enough intervals, it is to avoid in heating furnace use procedure, the problem such as vibration causes treating the pollution treating intensification flashboard 1 that the contact internal walls in intensification flashboard 1 and flashboard chamber 3 causes.
According to a further aspect of the invention, the replacing options of a kind of floatation glass production line runner flashboard is provided, described floatation glass production line runner includes the first flashboard and installs point and the second flashboard installation point, described first flashboard is installed some place and is provided with flashboard 102 to be removed, and described replacing options comprises the steps:
The first step, contiguous floatation glass production line runner 15 arranges heating furnace mounting seat, and is arranged in described heating furnace mounting seat by the heating furnace of above-mentioned floatation glass production line runner flashboard；
Second step, is heated up to be placed into flashboard 101 by the temperature-rising method of above-mentioned floatation glass production line runner flashboard；
3rd step, lifting to floatation glass production line runner 15 place to be placed into flashboard 101 after will heat up, and it is directed at described second flashboard installation point；And
4th step, will adjust to be placed into flashboard 101 and install after putting in place, and be removed from floatation glass production line runner 15 by flashboard 102 to be removed, complete the replacing of flashboard.
Namely be equivalent to the above treat intensification flashboard 1 in temperature-rise period to be placed into flashboard 101, temperature-rise period to be placed into flashboard 101 separates with floatation glass production line runner 15, the temperature-rise period making flashboard will not interfere with the normal operation of floatation glass production line, the heating furnace mounting seat that contiguous floatation glass production line runner 15 is arranged makes the distance between heating furnace and floatation glass production line runner 15 shorter, reduce flashboard heat losses in moving process, and be easy to the movement of flashboard.
Preferably, described heating furnace mounting seat is provided with the flashboard supporting construction 2 being correspondingly arranged with flashboard chamber 3, in described second step, to be arranged in flashboard supporting construction 2 to be placed into flashboard 101, then move to be placed into flashboard 101 so that be contained in flashboard chamber 3 to be placed into flashboard 101 is at least part of.It is easy to the layout to be placed into flashboard 101.It is understood that when being not provided with flashboard supporting construction 3, user moves and hangs also by devices such as lifting formation to be placed into flashboard 101.
Preferably, in described 3rd step, referring to shown in Fig. 1 and Fig. 2, to be moved integrally to floatation glass production line runner 15 place from the heating furnace of floatation glass production line runner flashboard to be placed into flashboard 101 and flashboard supporting construction 2 by lifting crane, make to be placed into flashboard 101 be positioned on runner along 151 upside, and be directed at described second flashboard install point.Referring to Fig. 2, floatation glass production line runner 15 place is provided with support column 14, and the structure correspondence support column 14 of flashboard supporting construction 2 is arranged so that flashboard supporting construction 2 can be preferably installed on support column 14.
Wherein, according to practical situation, the attachment structure between flashboard supporting construction 2 and flashboard holder 201 can be set to moveable structure, so that flashboard can move up and down, or it is configured to flashboard supporting construction 2 move up and down along the bearing of trend of support column 14, and then driving flashboard to move up and down, user can select suitable mobile form according to practical situation.It is understood that when selecting to make flashboard supporting construction 2 can move along the bearing of trend of support column 14, be also provided with the suitable corbeling for supporting flashboard supporting construction 2 at heating furnace mounting seat place.
The Renewal process of AZS material flashboard in special float glass production line is described below according to the preferred implementation shown in accompanying drawing, the temperature of glass liquid of special float glass production line runner is up to 1360 DEG C (exceeding 240 DEG C than common floatation glass production line runner temperature 1120 DEG C), better but its intensification difficulty is bigger for the erosion resisting of AZS material flashboard, by the above-mentioned temperature-rising method of the present invention, the intensification qualification rate of AZS material flashboard can be increased to about 80%, specifically comprise the following steps that
1st step, it is determined that the heating curve of AZS material flashboard, specifically, the heating curve of AZS material flashboard is: at 0 DEG C to 900 DEG C, flashboard programming rate is 15 DEG C/h；At 900 DEG C to 1100 DEG C, flashboard programming rate is 7 DEG C/h；1100 DEG C of area above, flashboard programming rate is 12 DEG C/h；
2nd step, heating furnace mounting seat is built in distant place, two meters of floatation glass production line runner 15 side, the heating furnace of described floatation glass production line runner flashboard is arranged in heating furnace mounting seat, and the corbeling of the support column 14 arranged on similar floatation glass production line runner 15 is set in heating furnace both sides；
3rd step, will be treated that intensification flashboard 1 and flashboard supporting construction 2 assemble, and be supported by above-mentioned corbeling so that treat that intensification flashboard 1 is directed at flashboard chamber 3；
4th step, move and treat intensification flashboard 1, and make the upper exposed treating intensification flashboard 1 in the outside in flashboard chamber 3, interval h1 between sidewall and the sidewall treating intensification flashboard 1 in flashboard chamber 3 is about 120mm, interval h2 between bottom and the lower end treating intensification flashboard 1 in flashboard chamber 3 is about 120mm, and the polycrystalline mullite fibre felt that the non-steel structure division (mainly the part with flashboard one between flashboard holder 201) being exposed to by flashboard outside heating furnace uses temperature to reach 1600 DEG C hides；
5th step, is contained in the fire jetting hole 701 being arranged in edge side by the nozzle of two low-temp. spraying firelocks, is positioned at the fire jetting hole 701 refractory fibre temporary plugging at middle part, with minimum gas flow 0.2Nm3/ h lights the low-temp. spraying firelock being positioned at edge side simultaneously, the data of the first temperature sensing portion 4 and the second temperature sensing portion 5 is monitored record per hour simultaneously, and calculates temperature T (the i.e. temperature T=upper temp T in flashboard chamber1× 40%+ temperature of lower T2× 60%), using the temperature T foundation as the programming rate in flashboard chamber 3, and it is stepped up the gas flow of low-temp. spraying firelock, when the gas flow of low-temp. spraying firelock increases to 1Nm3During/h, stop adjusting the gas flow of the low-temp. spraying firelock of edge side, other low-temp. spraying firelocks are contained in the fire jetting hole 701 being arranged in middle part, the gas flow of the low-temp. spraying firelock of rear dress is set as 0.5Nm3/ h also lights, and then the gas flow of the low-temp. spraying firelock of rear dress is stepped up 1Nm3After/h, temperature according to flashboard chamber 3 increases the gas flow of all low-temp. spraying firelocks simultaneously；
6th step, when the gas flow of low-temp. spraying firelock increases to 1.9Nm3During/h (close to the low-temp. spraying firelock fuel flow rate upper limit), treat that the temperature of intensification flashboard 1 can be usually reached about 500 DEG C, at this moment low-temp. spraying firelock is progressively replaced with high temperature flame gun, replace and start to change from the low-temp. spraying firelock being positioned at middle part, then changing the low-temp. spraying firelock being positioned at edge side again, whole replacement process reduces the temperature fluctuation in flashboard chamber 3 as far as possible；
7th step, confirm that special float glass production line runner temperature of glass liquid time-temperature is 1360 DEG C, to treat that intensification flashboard 1 need to be warmed up to 1410 DEG C, temperature T according to flashboard chamber 3 is stepped up the fuel flow rate of high temperature flame gun, until treating that the temperature of intensification flashboard 1 reaches 1410 DEG C, wherein, the temperature in flashboard chamber 3 approximates the temperature treating intensification flashboard 1；
8th step, by in place for the lifting crane (general floatation glass production line has setting) on special float glass production line runner workshop section top, hanging with flashboard supporting construction 2, meanwhile, the flashboard being not provided with flashboard at floatation glass production line runner 15 place is installed the front arch 16 at some place and is opened；
9th step, treat that intensification flashboard 1 (namely to be placed into flashboard 101) moves to floatation glass production line runner 15 top after utilizing lifting crane will heat up, and rapidly flashboard supporting construction 2 is docked with support column 14, then keep the lower surface treating intensification flashboard 1 after heating up just to contact vitreous humour；
10th step, move down flashboard supporting construction 2, and then treat that intensification flashboard 1 is reduced to close to till the height of flashboard 102 to be removed after progressively will heat up, then, promote flashboard 102 to be removed slowly, flashboard 102 to be removed can be promoted after flashboard 102 to be removed leaves metal level rapidly and hang floatation glass production line runner 15, with front arch 16, the flashboard after taking out flashboard being installed point subsequently and seal.
Above-mentioned flashboard Renewal process can be controlled in 2 hours, the impact maximum half a day on floatation glass production line, and the economic loss changed in flashboard process is greatly lowered.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing; but; the present invention is not limited to the detail in above-mentioned embodiment; in the technology concept of the present invention; technical scheme can being carried out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by the present invention separately.
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (11)
1. the heating furnace of floatation glass production line runner flashboard, it is characterised in that the inside of this heating furnace includes:
Flashboard chamber (3), this flashboard chamber (3) is used for holding treats at least some of of intensification flashboard (1), and described be contained in described flashboard chamber (3) until intensification flashboard (1) time, with described, the inwall of described flashboard chamber (3) will treat that intensification flashboard (1) is spaced；
Heating part, described flashboard chamber (3) can be heated to be pointed to described in described flashboard chamber (3) inside treating that intensification flashboard (1) heats up in this heating part；And
Temperature sensing unit, this temperature sensing unit can sense the temperature in described flashboard chamber (3).
2. heating furnace according to claim 1, it is characterized in that, in the short transverse of described flashboard chamber (3), described temperature sensing unit includes the first temperature sensing portion (4) being respectively used to sense the upper temp of described flashboard chamber (3) and the second temperature sensing portion (5) being used for sensing the temperature of lower of described flashboard chamber (3).
3. heating furnace according to claim 2, it is characterized in that, described flashboard chamber (3) is formed as cuboid chamber, the short transverse of described flashboard chamber (3) vertically extends so that described in treat that intensification flashboard (1) can vertically insert in described flashboard chamber (3) from top to bottom.
4. heating furnace according to claim 3, it is characterised in that
Described first temperature sensing portion (4) includes the multiple temperature sensors being arranged in sustained height place along the length direction interval of described flashboard chamber (3), and multiple described temperature sensor is separately positioned on along the relative both sides of the width of described flashboard chamber (3)；And/or
Described second temperature sensing portion (5) includes the multiple temperature sensors being arranged in sustained height place along the length direction interval of described flashboard chamber (3), and multiple described temperature sensor is separately positioned on along the relative both sides of the width of described flashboard chamber (3).
5. the heating furnace according to any one in claim 1-4, it is characterized in that, described heating part includes the combustor (7) being arranged on the downside of described flashboard chamber (3), described combustor (7) connects with described flashboard chamber (3) in the inside of described heating furnace so that the heat in described combustor (7) can be transferred to described flashboard chamber (3) to heat described flashboard chamber (3).
6. heating furnace according to claim 5, it is characterized in that, described heating part also includes conduction of heat chamber (9), described conduction of heat chamber (9) is arranged between described combustor (7) and described flashboard chamber (3), and described conduction of heat chamber (9) is positioned at the underface of described flashboard chamber (3).
7. heating furnace according to claim 6, it is characterized in that, it is provided with soaking plate (11) between described flashboard chamber (3) and described conduction of heat chamber (9), described soaking plate (11) is formed as the base plate of described flashboard chamber (3), and described soaking plate (11) is except for being just evenly arranged with multiple heat transfer hole (111) to be placed into other parts except the part treating intensification flashboard (1) described in described flashboard chamber (3).
8. heating furnace according to claim 6, it is characterized in that, it is provided with blast screen (8) between described combustor (7) and described conduction of heat chamber (9), described blast screen (8) is formed multiple thermal hole (801).
9. heating furnace according to claim 5, it is characterised in that be provided with fire jetting hole (701) on the perisporium of described combustor (7),
The nozzle of outside flame gun (6) or the supporting flame gun (6) of described heating furnace self can be directed at described fire jetting hole (701) with to described combustor (7) interior jet flames.
10. heating furnace according to claim 9, it is characterized in that, the perisporium of described combustor (7) is arranged at intervals with multiple described fire jetting hole (701), described flame gun (6) includes high temperature flame gun and low-temp. spraying firelock, and the temperature province in described flashboard chamber (3) is set to include:
Low-temperature space, at described low-temperature space, by many described low-temp. spraying firelocks to described combustor (7) interior jet flames；
Transition region, in described transition region, described low-temp. spraying firelock is progressively replaced by described high temperature flame gun, wherein, first change the described low-temp. spraying firelock at the middle part being positioned at described combustor (7), then change the described low-temp. spraying firelock of the edge part being positioned at described combustor (7) again；And
High-temperature region, in described high-temperature region, by many described high temperature flame guns to described combustor (7) interior jet flames.
11. heating furnace according to claim 1, it is characterized in that, the surrounding of described flashboard chamber (3) is provided with the liner tile (13) being made up of refractory material, the arranged outside of described liner tile (13) has insulating brick (12), and the outside of described insulating brick (12) is formed with furnace shell (10).
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| CN201620203218.1U CN205382085U (en) | 2016-03-16 | 2016-03-16 | Intensification stove of float glass production runner flashboard |
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| CN201620203218.1U CN205382085U (en) | 2016-03-16 | 2016-03-16 | Intensification stove of float glass production runner flashboard |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819670A (en) * | 2016-03-16 | 2016-08-03 | 东旭科技集团有限公司 | Temperature rising furnace of runner flashboard of float glass production line, and temperature rising and exchange method |
| CN110746092A (en) * | 2019-11-20 | 2020-02-04 | 蚌埠中光电科技有限公司 | Preheating device of runner flashboard |
| CN111732327A (en) * | 2020-07-21 | 2020-10-02 | 蚌埠凯盛工程技术有限公司 | Glass production line overflow mouth temperature regulation apparatus |
-
2016
- 2016-03-16 CN CN201620203218.1U patent/CN205382085U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819670A (en) * | 2016-03-16 | 2016-08-03 | 东旭科技集团有限公司 | Temperature rising furnace of runner flashboard of float glass production line, and temperature rising and exchange method |
| CN105819670B (en) * | 2016-03-16 | 2019-06-21 | 东旭科技集团有限公司 | The heating furnace of floatation glass production line runner flashboard and heating and replacing options |
| CN110746092A (en) * | 2019-11-20 | 2020-02-04 | 蚌埠中光电科技有限公司 | Preheating device of runner flashboard |
| CN111732327A (en) * | 2020-07-21 | 2020-10-02 | 蚌埠凯盛工程技术有限公司 | Glass production line overflow mouth temperature regulation apparatus |
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