CN117105512A - Crystallization preventing device for stirring section of glass liquid channel - Google Patents
Crystallization preventing device for stirring section of glass liquid channel Download PDFInfo
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- CN117105512A CN117105512A CN202311168360.8A CN202311168360A CN117105512A CN 117105512 A CN117105512 A CN 117105512A CN 202311168360 A CN202311168360 A CN 202311168360A CN 117105512 A CN117105512 A CN 117105512A
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- Prior art keywords
- stirring section
- metal cylinder
- stirring
- crystallization
- glass liquid
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- 238000003756 stirring Methods 0.000 title claims abstract description 127
- 238000002425 crystallisation Methods 0.000 title claims abstract description 57
- 230000008025 crystallization Effects 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 title claims abstract description 39
- 239000011521 glass Substances 0.000 title claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 105
- 239000002184 metal Substances 0.000 claims abstract description 105
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000004321 preservation Methods 0.000 claims description 38
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 22
- 239000006060 molten glass Substances 0.000 claims description 13
- 229910052697 platinum Inorganic materials 0.000 claims description 11
- 239000011449 brick Substances 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims description 3
- 238000004031 devitrification Methods 0.000 claims 2
- 238000009423 ventilation Methods 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 25
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 229910001873 dinitrogen Inorganic materials 0.000 description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 229910000510 noble metal Inorganic materials 0.000 description 4
- 229910052703 rhodium Inorganic materials 0.000 description 4
- 239000010948 rhodium Substances 0.000 description 4
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 4
- 239000003039 volatile agent Substances 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 3
- 238000004781 supercooling Methods 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004033 diameter control Methods 0.000 description 2
- 230000009699 differential effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006196 drop Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
- C03B7/02—Forehearths, i.e. feeder channels
- C03B7/06—Means for thermal conditioning or controlling the temperature of the glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
- C03B7/02—Forehearths, i.e. feeder channels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention relates to a glass liquid channel stirring section crystallization-preventing device, which belongs to the field of carrier glass production, and comprises a heat-insulating layer, wherein a metal cylinder is arranged in the heat-insulating layer, a stirring rod is arranged in the metal cylinder in a penetrating manner, the stirring rod is divided into a stirring section I, a stirring section II and a stirring section III, the stirring section II is arranged in a matching manner with the metal cylinder, the metal cylinder is provided with a cavity, a heating wire is arranged in the cavity, a stirring barrel is arranged in the heat-insulating layer, a gas input port is arranged at the top of the stirring barrel, and a plurality of ventilation holes are correspondingly formed at the top of the metal cylinder; overcomes the defects of the prior art, solves the problem of crystallization drop during regular cleaning, and provides a crystallization preventing device for a stirring section of a glass liquid channel.
Description
Technical Field
The invention relates to a crystallization preventing device for a stirring section of a glass liquid channel, and belongs to the field of carrier plate glass production.
Background
The glass liquid channel is in an oxidizing atmosphere and under the corrosive medium condition of high-temperature molten glass liquid for a long time, and inevitably causes oxidation, volatilization and condensation of noble metal elements of platinum and rhodium, and drops into the glass liquid after accumulating to a certain extent, so that the defect called platinum defect in glass production is caused.
In actual production, crystallization is mainly concentrated at the gap between the stirring rod and the channel cover plate, the gap is communicated with the outside, the internal pressure is higher than the external pressure, metal volatile matters can flow upwards, and at the lower part of the temperature than the inside of the channel, crystallization is formed by condensation at a cold point, and finally the metal volatile matters fall into glass liquid to pollute products.
At present, crystallization is mainly inhibited by adopting a method for adjusting the internal temperature aiming at different types of crystallization, but crystallization phenomenon cannot be avoided, crystallization cleaning needs to be carried out regularly, crystallization is easy to drop in the cleaning process, glass liquid is polluted, and after tin crystallization grows to a certain degree due to rotation of a stirring rod, the tin crystallization drops onto the liquid level of the glass liquid due to dead weight or interference, bubbles are involved, and finally bubble defects are formed on a glass substrate, so that products are abandoned.
Disclosure of Invention
The invention aims to solve the technical problems that: the stirring rod and the channel cover plate are easy to encounter cold spots to generate tin crystallization, and when the tin crystallization grows to a certain degree along with the rotation of the stirring rod, the tin crystallization can drop onto the liquid level of the glass liquid due to dead weight or interference, so that the product is abandoned, the defects in the prior art are overcome, the problem that the crystallization drops during regular cleaning is solved, and the crystallization preventing device for the stirring section of the glass liquid channel is provided.
The invention relates to a glass liquid channel stirring section crystallization prevention device which comprises a heat preservation layer, wherein a metal cylinder is arranged in the heat preservation layer, a stirring rod is arranged in the metal cylinder in a penetrating manner, the stirring rod is divided into a stirring section I, a stirring section II and a stirring section III, the stirring section II is arranged in a matched manner with the metal cylinder, the metal cylinder is provided with a cavity, a heating wire is arranged in the cavity, a stirring barrel is arranged in the heat preservation layer, a gas input port is arranged at the top of the stirring barrel, and a plurality of ventilation holes are correspondingly formed in the top of the metal cylinder.
Through setting up the heat preservation, can keep warm the molten glass after the hot melt, the metal cylinder that is equipped with in the heat preservation, the metal cylinder can hold the tin that produces through cold precipitation and devitrify, drop the metal cylinder bottom under the effect of gravity, divide into stirring section I through setting up the stirring rod, stirring section II and stirring section III, stirring section II can contact supporting arrangement with the metal cylinder, form the space that can hold tin and devitrify in simultaneously with the metal cylinder, through the cavity that is equipped with in the metal cylinder, and then be equipped with the heater strip in the cavity, make the cold spot in the metal cylinder shift upward, avoid the supercooling to cause tin to devitrify to separate out, be equipped with the agitator through setting up the heat preservation inside, the agitator cooperation heat preservation setting can avoid noble metal platinum and rhodium to volatilize; through setting up the gas input port that agitator top was equipped with, inert gas nitrogen gas after the heating can get into in the agitator through the gas input port, nitrogen gas can be in the air in the exhaust before the stirring, isolated air and with the gas of crystallization avoid in the agitator crystallization in blowing into the metal section of thick bamboo when reacting, after the stirring process structure, nitrogen gas can prevent the back-draft air, through a plurality of air vents that set up the metal section of thick bamboo top and be equipped with, the air vent can provide nitrogen gas and blow out the space, the diameter control gas of air vent blows out the speed simultaneously.
Further, the bottom of the metal cylinder is provided with a bottom plate, the bottom plate is connected with a flexible baffle, and the flexible baffle is arranged in a matched mode with the stirring section III.
The bottom plate that is equipped with through the metal cylinder bottom can hold the tin crystallization that drops because of gravity, and the flexible metal baffle that is equipped with is connected through the bottom plate, and flexible metal baffle can be connected with stirring section III tip is supporting, and the crystallization that drops is blocked by flexible baffle, can't drop back in the agitator, avoids tin crystallization to fall back in the molten glass liquid, pollutes other glass liquid.
Further, the heat preservation is divided into four layers, and is heat preservation I, heat preservation II, insulating brick and platinum apron from the top down in proper order.
Through being equipped with heat preservation I, heat preservation II improves holistic heat preservation effect, through setting up the insulating brick, provides support reinforcement to whole molten glass liquid, through inside being equipped with platinum apron, can avoid molten glass liquid infiltration to get into in the insulating brick, plays isolation protection effect.
Further, the inner wall of the metal cylinder and the stirring section II form an airflow channel.
Through setting up the air current passageway that metal cylinder inner wall and stirring section II formed, the gas input mouth that is equipped with in agitator one side, after nitrogen gas input, under the inside and outside pressure differential effect of agitator, nitrogen gas can extrude the agitator through air current passageway, reduces crystallization with a large amount of metal volatiles, and simultaneously nitrogen gas can reduce inside oxygen content, and then restrain metal and volatilize, can fundamentally directly reduce metal volatiles.
Further, a plurality of ventilation holes are uniformly distributed around the inner hole, the diameter of the ventilation holes is D, and the flow formula of the exhaust gas of the ventilation holes is as follows:
Q＝VD 2 π/4 (1)
in the formula (1): q is the flow rate of vent gas discharge, and the unit is m 3 /s；
V is the flow rate of the vent gas exhaust, and the unit is m/s;
d is the diameter of the vent hole in m.
Through setting up a plurality of air vents evenly distributed around the hole, the air vent can be discharged the nitrogen gas through the agitator, is D through setting up the air vent diameter, and D's velocity of flow can be confirmed through D's size, and through air vent exhaust gas flow formula is: q=vd 2 π/4。
Further, the diameter of the stirring section I is d 1 The diameter of the stirring section II is d 2 The diameter of the stirring section III is d 3 Wherein d 3 ＝d 1 D is in the value range of 0.7d 1 ＝<d 2 ＝<0.8d 1 。
By setting the diameter of the stirring section I as d 1 The diameter of the stirring section II is d 2 The diameter of the stirring section III is d 3 Wherein d 3 ＝d 1 D is in the value range of 0.7d 1 ＝<d 2 ＝<0.8d 1 Preferably, d may take a value of 0.7d 1 、0.75d 1 Or 0.8d 1 By setting different sectional values, the method can be suitable for glass liquid with different consistencies.
Further, the distance between the metal cylinder and the stirring rod is L, and the value range of L is 2.5 mm= < L= <3.5mm.
By setting the distance of the metal cylinder from the stirring rod to be L, the value range of L is 2.5 mm= < l= <3.5mm, preferably, the value of L may be 2.5mm, 3.0mm or 3.5mm, and by setting different L value intervals, the amount of gas passing through the vent hole can be controlled, preferably, the value of L may be 3.0mm.
Further, the inclination angle of the flexible baffle is a, wherein the value range of a is 48 degrees= < a= <52 degrees.
By setting the inclination angle of the flexible barrier to a, where a takes a value in the range of 48 ° = < a= <52 °, preferably a may take a value of 48 °, 50 ° or 52 °.
Further, the metal cylinder also comprises a height sensor, and the height sensor is positioned at the top of the inner wall of the metal cylinder.
Through including the altitude sensor in the setting metal section of thick bamboo, the altitude sensor is located metal section of thick bamboo inner wall top, and the altitude sensor can carry out real-time detection to crystallization in the metal section of thick bamboo, is favorable to the control of the interior altitude of metal section of thick bamboo constantly.
Further, the metal cylinder also comprises a temperature sensor, and the temperature sensor is positioned at the top of the heating wire.
Still include temperature sensor through setting up in the metal section of thick bamboo, temperature sensor is located the heater strip top, and temperature sensor can carry out real-time supervision to the temperature in the metal section of thick bamboo, and the temperature in the convenient real-time control metal section of thick bamboo avoids the temperature to descend, leads to too early crystallization.
Compared with the prior art, the invention has the beneficial effects that:
according to the glass liquid channel stirring section crystallization prevention device, the heat preservation layer is arranged, so that the molten glass can be preserved, and meanwhile, volatilization of noble metals such as platinum and rhodium is avoided; the tin crystallization device comprises a metal cylinder arranged in a heat preservation layer, wherein the metal cylinder can contain tin crystallization which is precipitated after entering the metal cylinder at high temperature and is cooled, the tin crystallization falls to the bottom of the metal cylinder under the action of gravity, the tin crystallization device is divided into a stirring section I, a stirring section II and a stirring section III by a stirring rod, meanwhile, the diameter of the stirring section II is smaller than that of the stirring section I and that of the stirring section III, the stirring section II can be matched with the metal cylinder, a space which can contain tin crystallization is formed in the metal cylinder, and the tin crystallization is prevented from being precipitated due to supercooling by a cavity arranged in the metal cylinder and a heating wire arranged in the cavity; the problem that tin crystals caused by stirring rods fall onto the liquid level of glass liquid to cause product abandonment is solved, and meanwhile, the problem that crystals fall during regular cleaning is solved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a front view of a metal cylinder of the present invention;
FIG. 3 is a top view of a metal can of the present invention;
FIG. 4 is an enlarged partial view of an embodiment of the present invention;
FIG. 5 is a schematic view of an embodiment of the present invention with the insulation removed;
in the figure: 1. a heat preservation layer; 2. a metal cylinder; 3. a stirring rod; 4. an air flow channel; 5. a height sensor; 6. a temperature sensor; 7. a stirring barrel;
101. a heat preservation layer I; 102. a heat preservation layer II; 103. a heat preservation brick; 104. a platinum cover plate;
201. a cavity; 202. a heating wire; 203. a bottom plate; 204. a flexible baffle; 205. a vent hole; 206. an inner bore;
301. stirring section I; 302. stirring section II; 303. stirring section III;
701. and a gas inlet.
Detailed Description
Example 1
As shown in fig. 1, the crystallization preventing device for the stirring section of the glass liquid channel comprises a heat preservation layer 1, wherein a metal cylinder 2 is arranged in the heat preservation layer 1, a stirring rod 3 is arranged in the metal cylinder 2 in a penetrating manner, the stirring rod 3 is divided into a stirring section I301, a stirring section II 302 and a stirring section III 303, the stirring section II 302 is arranged in a matched manner with the metal cylinder 2, the metal cylinder 2 is provided with a cavity 201, a heating wire 202 is arranged in the cavity 201, a stirring barrel 7 is arranged in the heat preservation layer 1, a gas input port 701 is arranged at the top of the stirring barrel 7, and a plurality of ventilation holes 205 are correspondingly formed in the top of the metal cylinder 2.
Through setting up heat preservation 1, can keep warm the molten glass after the hot melt, the metal cylinder 2 that is equipped with in the heat preservation 1, metal cylinder 2 can hold the tin that produces through cold separation and crystallization, drop to metal cylinder 2 bottom under the effect of gravity, divide into stirring section I301 through setting up stirring rod 3, stirring section II 302 and stirring section III 303, stirring section II 302 can form the supporting arrangement of contact with metal cylinder 2, simultaneously with the space that can hold tin and crystallization with forming in metal cylinder 2, through the cavity 201 that is equipped with in metal cylinder 2, and then be equipped with heater strip 202 in cavity 201, make metal cylinder 2 interior cold spot shift up, avoid the precipitation that the supercooling caused tin and crystallization, through setting up the inside agitator 7 that is equipped with of heat preservation 1, agitator 7 cooperates with heat preservation 1 setting, can avoid noble metal platinum and rhodium to volatilize; through setting up the gas input port 701 that agitator 7 top was equipped with, inert gas nitrogen gas after the heating can get into in the agitator 7 through gas input port 701, nitrogen gas can be in the device of getting rid of before the stirring air, isolated air and with the gas of crystallization avoid in agitator 7 crystallization in blowing into metal cylinder 2 when the reaction, after the stirring process structure, nitrogen gas can prevent the air of suckling down, through a plurality of air vents 205 that set up metal cylinder 2 top was equipped with, air vent 205 can provide nitrogen gas and blow off the space, the speed that the diameter control gas of air vent 205 blown off simultaneously.
As an optimization, the bottom of the metal cylinder 2 is provided with a bottom plate 203, the bottom plate 203 is connected with a flexible baffle 204, and the flexible baffle 204 is arranged in a matched manner with the stirring section III 303.
The bottom plate 203 that is equipped with through metal cylinder 2 bottom can hold the tin crystallization that drops because of gravity, connects the flexible metal baffle that is equipped with through bottom plate 203, and flexible metal baffle can be connected with stirring section III 303 tip is supporting, and the crystallization that drops is blocked by flexible baffle 204, can't drop back in the agitator 7, avoids tin crystallization to fall back in the molten glass liquid, pollutes other glass liquid.
As optimization, the heat preservation layer 1 is divided into four layers, namely a heat preservation layer I101, a heat preservation layer II 102, a heat preservation brick 103 and a platinum cover plate 104 from top to bottom.
Through being equipped with heat preservation I101, heat preservation II 102 improves holistic heat preservation effect, through setting up insulating brick 103, provides support reinforcement to whole molten glass liquid, through inside being equipped with platinum apron 104, can avoid molten glass liquid infiltration to get into insulating brick 103 in, plays isolation protection effect.
Preferably, the inner wall of the metal cylinder 2 and the stirring section II 302 form an air flow channel 4.
Through setting up the air current passageway 4 that metal cylinder 2 inner wall and stirring section II 302 formed, the gas input port 701 that is equipped with in stirring barrel 7 one side, after nitrogen gas input, under the inside and outside pressure differential effect of stirring barrel 7, nitrogen gas can extrude stirring barrel 7 with a large amount of metal volatiles through air current passageway 4, reduces crystallization, and simultaneously nitrogen gas can reduce inside oxygen content, and then restrain metal volatilize, can fundamentally directly reduce metal volatiles.
As an optimization, a plurality of ventilation holes 205 are uniformly distributed around the inner hole 206, the diameter of the ventilation holes 205 is D, and the flow formula of the exhaust gas of the ventilation holes 205 is:
Q＝VD 2 π/4 (1)
in the formula (1): q is the flow rate of vent gas discharge, and the unit is m 3 /s；
V is the flow rate of the vent gas exhaust, and the unit is m/s;
d is the diameter of the vent hole in m.
Through setting up a plurality of air vents 205 evenly distributed around the internal orifice, air vent 205 can be to the nitrogen gas that passes through agitator 7 discharge, and through setting up air vent 205 diameter for D, D's velocity of flow can be carried out and can be confirmed through D's size, through air vent 205 exhaust gas flow formula is: q=vd 2 π/4。
Optimally, the diameter of the stirring section I301 is d 1 The diameter of the stirring section II 302 is d 2 The diameter of the stirring section III 303 is d 3 Wherein d 3 ＝d 1 D is in the value range of 0.7d 1 ＝<d 2 ＝<0.8d 1 。
By setting the diameter of the stirring section I301 to d 1 The diameter of the stirring section II 302 is d 2 The diameter of the stirring section III 303 is d 3 Wherein d 3 ＝d 1 D is in the value range of 0.7d 1 ＝<d 2 ＝<0.8d 1 Preferably, d may take a value of 0.7d 1 、0.75d 1 Or 0.8d 1 By setting different sectional values, the method can be suitable for glass liquid with different consistencies.
As optimization, the distance between the metal cylinder 2 and the stirring rod 3 is L, and the value range of L is 2.5 mm= < L= <3.5mm.
By setting the distance of the metal tube 2 from the stirring rod 3 to L, the value range of L is 2.5 mm= < l= <3.5mm, preferably, the value of L may be 2.5mm, 3.0mm or 3.5mm, and by setting different L value intervals, the amount of gas passing through the vent 205 can be controlled, preferably, the value of L may be 3.0mm.
As an optimization, the inclination angle of the flexible baffle 204 is a, wherein the value range of a is 48 ° = < a= <52 °.
By setting the inclination angle of the flexible barrier 204 to a, where a takes the value range of 48 ° = < a= <52 °, preferably a may take the value of 48 °, 50 ° or 52 °.
Preferably, the metal cylinder 2 also comprises a height sensor 5, and the height sensor 5 is positioned at the top of the inner wall of the metal cylinder 2.
Through including the height sensor 5 in setting up the metal cylinder 2, the height sensor 5 is located metal cylinder 2 inner wall top, and the height sensor 5 can carry out real-time detection to crystallization in the metal cylinder 2, is favorable to the height in the time control metal cylinder 2.
Preferably, the metal tube 2 also comprises a temperature sensor 6, and the temperature sensor 6 is positioned on top of the heating wire 202.
Still include temperature sensor 6 in setting up the metal tube 2, temperature sensor 6 is located the heater strip 202 top, and temperature sensor 6 can carry out real-time supervision to the temperature in the metal tube 2, and the temperature in the convenient real-time control metal tube 2 avoids the temperature to descend, leads to premature crystallization.
Working process or working principle:
the glass liquid is placed in the stirring barrel 7, the heat preservation 1 keeps warm the glass liquid, stirring barrel 7 one side is equipped with gas input port 701, be equipped with air vent 205 in metal cylinder 2 top, inert gas gets into in the stirring barrel 7 through gas input port 701, discharge through metal cylinder 2 top air vent 205, outside heat preservation 1 top runs through and is equipped with metal cylinder 2, through the stirring rod 3 that runs through in metal cylinder 2 and be equipped with, stir the operation to glass liquid, cavity 201 through metal cylinder 2 sets up, cavity 201 inside is equipped with the ring dress heater strip 202, the altitude sensor 5 that cavity 201 top was equipped with, be used for detecting the crystallization height in the metal cylinder 2 in real time, through setting up temperature sensor 6 at heater strip 202 top, be used for detecting the temperature of heater strip 202, avoid causing crystallization because the cold spot that the temperature is too low, through setting up stirring rod 3 and divide into stirring section I301, stirring section II 302 and stirring section III, stirring section II 302 and metal cylinder 2 cooperation setting, stirring section II 302 are less than stirring section I301 and stirring section III simultaneously, can provide the flexible space that holds crystallization, stirring section III and flexible crystallization section 204 and crystallization baffle 204 are destroyed because the quality of the product is destroyed in the crystallization is avoided, the dead weight quality of the product is destroyed.
The description of the directions and the relative positional relationships of the structures, such as the description of the front, back, left, right, up and down, in the present invention does not limit the present invention, but is merely for convenience of description.
Claims (10)
1. The utility model provides a glass liquid passageway stirring section crystallization preventing device, a serial communication port, including heat preservation (1), be equipped with metal cylinder (2) in heat preservation (1), run through in metal cylinder (2) and be equipped with stirring rod (3), stirring rod (3) divide into stirring section I (301), stirring section II (302) and stirring section III (303), stirring section II (302) are matchd with metal cylinder (2) and are arranged, metal cylinder (2) are equipped with cavity (201), be equipped with heater strip (202) in cavity (201), inside agitator (7) that are equipped with of heat preservation (1), agitator (7) top is equipped with gas input port (701), corresponding, metal cylinder (2) top is equipped with a plurality of air vents (205).
2. The glass liquid channel stirring section crystallization-preventing device according to claim 1, wherein a bottom plate (203) is arranged at the bottom of the metal cylinder (2), the bottom plate (203) is connected with a flexible baffle plate (204), and the flexible baffle plate (204) is arranged in a matched manner with the stirring section III (303).
3. The crystallization-preventing device for the stirring section of the glass liquid channel according to claim 2, wherein the heat-insulating layer (1) is divided into four layers, namely a heat-insulating layer I (101), a heat-insulating layer II (102), a heat-insulating brick (103) and a platinum cover plate (104) in sequence from top to bottom.
4. The apparatus for preventing crystallization of a molten glass passage stirring section according to claim 3, wherein the inner wall of the metal cylinder (2) and the stirring section II (302) form an air flow passage (4).
5. The devitrification preventing device of claim 4, wherein the plurality of vent holes (205) are uniformly distributed around the inner hole (206), the diameter of the vent hole (205) is D, and the flow formula of the exhaust gas of the vent hole (205) is:
Q＝VD 2 π/4 (1)
in the formula (1): q is the flow rate of vent gas discharge, and the unit is m 3 /s；
V is the flow rate of the vent gas exhaust, and the unit is m/s;
d is the diameter of the vent hole in m.
6. The apparatus for preventing crystallization of a molten glass passage stirring section according to claim 5, wherein the stirring section I (301) has a diameter d 1 The diameter of the stirring section II (302) is d 2 The diameter of the stirring section III (303) is d 3 Wherein d 3 ＝d 1 ，d 2 The value range is 0.7d 1 ＝<d 2 ＝<0.8d 1 。
7. The crystallization-preventing device for the stirring section of the glass liquid channel according to claim 6, wherein the distance between the metal cylinder (2) and the stirring rod (3) is L, and the value range of L is 2.5 mm= < l= <3.5mm.
8. The apparatus for preventing devitrification of a molten glass channel stirring section according to any one of claims 1 to 7, wherein an inclination angle of the flexible baffle (204) is a, wherein a has a value in a range of 48 ° = < a= <52 °.
9. The crystallization-preventing device for the stirring section of the glass liquid channel according to claim 8, wherein the metal cylinder (2) further comprises a height sensor (5), and the height sensor (5) is positioned at the top of the inner wall of the metal cylinder (2).
10. The glass liquid channel stirring section crystallization prevention device according to claim 9, wherein the metal cylinder (2) further comprises a temperature sensor (6), and the temperature sensor (6) is positioned at the top of the heating wire (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311168360.8A CN117105512A (en) | 2023-09-11 | 2023-09-11 | Crystallization preventing device for stirring section of glass liquid channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311168360.8A CN117105512A (en) | 2023-09-11 | 2023-09-11 | Crystallization preventing device for stirring section of glass liquid channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117105512A true CN117105512A (en) | 2023-11-24 |
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| CN202311168360.8A Pending CN117105512A (en) | 2023-09-11 | 2023-09-11 | Crystallization preventing device for stirring section of glass liquid channel |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203382635U (en) * | 2013-07-02 | 2014-01-08 | 郑州旭飞光电科技有限公司 | Heat-insulation device for glass channel stirring barrel |
| CN207062129U (en) * | 2017-06-01 | 2018-03-02 | 东旭科技集团有限公司 | Glass melt agitating device and glass substrate production system |
| CN207793030U (en) * | 2018-01-11 | 2018-08-31 | 郑州旭飞光电科技有限公司 | The collector and platinum channel agitating device of platinum channel stirring rod volatile matter |
| CN207793028U (en) * | 2018-01-24 | 2018-08-31 | 郑州旭飞光电科技有限公司 | The anti-crystallization mechanism and platinum channel agitating device of platinum channel stirring rod |
| CN109851205A (en) * | 2019-04-23 | 2019-06-07 | 蚌埠中光电科技有限公司 | The TFT-LCD glass production anti-crystallization device of platinum stirring rod |
| CN219567782U (en) * | 2023-03-28 | 2023-08-22 | 青岛融合光电科技有限公司 | Glass liquid channel stirring rod and channel cover plate crystallization collecting device |
-
2023
- 2023-09-11 CN CN202311168360.8A patent/CN117105512A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203382635U (en) * | 2013-07-02 | 2014-01-08 | 郑州旭飞光电科技有限公司 | Heat-insulation device for glass channel stirring barrel |
| CN207062129U (en) * | 2017-06-01 | 2018-03-02 | 东旭科技集团有限公司 | Glass melt agitating device and glass substrate production system |
| CN207793030U (en) * | 2018-01-11 | 2018-08-31 | 郑州旭飞光电科技有限公司 | The collector and platinum channel agitating device of platinum channel stirring rod volatile matter |
| CN207793028U (en) * | 2018-01-24 | 2018-08-31 | 郑州旭飞光电科技有限公司 | The anti-crystallization mechanism and platinum channel agitating device of platinum channel stirring rod |
| CN109851205A (en) * | 2019-04-23 | 2019-06-07 | 蚌埠中光电科技有限公司 | The TFT-LCD glass production anti-crystallization device of platinum stirring rod |
| CN219567782U (en) * | 2023-03-28 | 2023-08-22 | 青岛融合光电科技有限公司 | Glass liquid channel stirring rod and channel cover plate crystallization collecting device |
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