WO2018054210A1 - Structure d'agencement pour appareils bouillonneurs de four - Google Patents

Structure d'agencement pour appareils bouillonneurs de four Download PDF

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Publication number
WO2018054210A1
WO2018054210A1 PCT/CN2017/100130 CN2017100130W WO2018054210A1 WO 2018054210 A1 WO2018054210 A1 WO 2018054210A1 CN 2017100130 W CN2017100130 W CN 2017100130W WO 2018054210 A1 WO2018054210 A1 WO 2018054210A1
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WO
WIPO (PCT)
Prior art keywords
bubbling
arrangement
kiln
pool
rows
Prior art date
Application number
PCT/CN2017/100130
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English (en)
Chinese (zh)
Inventor
钱永根
Original Assignee
巨石集团有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201610835110.9A external-priority patent/CN106477852A/zh
Application filed by 巨石集团有限公司 filed Critical 巨石集团有限公司
Priority to JP2018566508A priority Critical patent/JP6821713B2/ja
Priority to EP17852278.5A priority patent/EP3431445B1/fr
Priority to BR112018074207-4A priority patent/BR112018074207B1/pt
Priority to PL17852278T priority patent/PL3431445T3/pl
Priority to US16/093,049 priority patent/US11097972B2/en
Priority to ES17852278T priority patent/ES2908643T3/es
Publication of WO2018054210A1 publication Critical patent/WO2018054210A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/18—Stirring devices; Homogenisation
    • C03B5/193—Stirring devices; Homogenisation using gas, e.g. bubblers

Definitions

  • the invention relates to the field of glass furnaces, in particular to an arrangement structure of a kiln bubbling device.
  • the glass fiber kiln bubbling device mostly adopts a horizontal straight line arrangement, that is, the bubbling device is horizontally arranged in the melting pool along the length direction of the melting pool at a certain distance, and the bubbling tube is vertically inserted into the bubbling groove, and The top of the bubble tube is higher than the bottom of the pool.
  • the exhaust gas (ie, bubbling) of the bubble tube is tumbling upward from the bubbling nozzle, which tends to cause the glass liquid at the bottom of the pool to be not effectively stirred.
  • the mechanical agitation force generated by bubbling at adjacent positions has a problem of canceling each other, affecting the heat exchange and clarification homogenization of the bubbling to the molten glass, and in some cases, irregular convection is generated.
  • the melting rate of the kiln is greatly increased, the flow rate of the glass liquid is correspondingly increased, and the flow rate is also continuously increased.
  • the defects of the arrangement of the bubbling device are more obvious, which tends to cause the temperature range of the main channel glass to expand. Affect the stability of the working channel temperature, causing fluctuations in the number of raw wires, and the phenomenon of running out of the plate in severe cases.
  • Chinese patent ZL201320458554.7 discloses an improved glass melting unit kiln which discloses the following technical solutions: a kiln roof and a kiln body, a melting pool in the middle of the kiln body, three rows of bubblers in the melting pool, located in the melting Two rows of bubblers in the upper part of the pool are arranged adjacent to each other, and the bubbler located at the lowermost part of the melting pool is arranged at 1/3 of the height of the pool of the melting pool, and the bubbler located at the uppermost part of the melting pool is set at the height of the pool of the melting pool 2 /3.
  • the lowermost row of bubblers serves as a combustion aid during the melting process, and the two rows of bubblers located at the top of the melting pool act to clarify and homogenize the molten glass.
  • it has the following defects:
  • the bubbler installation position is 1/3 or 2/3 of the height of the melting pool, and the length of the bubble tube extending into the melting pool is increased, resulting in an increase in the consumption of precious metals;
  • the temperature of the molten glass at the bottom of the melting pool gradually rises, and the viscosity decreases due to the temperature rise.
  • the residence time of the bubbling gas in the molten glass decreases, and the clarification efficiency decreases.
  • the object of the present invention is to overcome the above-mentioned deficiencies in the prior art, and to provide a kiln bubbling device arrangement structure with reasonable structural design, simple operation, safety and practicality, and the bubbling device arrangement structure is particularly suitable for high melting. Rate glass fiber kiln.
  • the technical solution adopted by the present invention to solve the above problems is to provide a kiln bubbling device arrangement structure, comprising a bubbling device, wherein the bubbling device is disposed in a kiln melting pool; wherein the bubbling device comprises The bubbling tank and the bubbling tube are disposed at the bottom of the molten pool, and are arranged in a depressed manner, and the bubbling tube is installed in the bubbling tank.
  • the depressed arrangement of the bubble trough means that the bottom plane of the bubbling trough is not higher than the bottom plane of the molten pool, and the design enlarges the gap between the bottom of the bubbling tank and the glass surface, and prolongs the residence time of the bubbling in the molten glass. It is more conducive to the expansion of the gas heated volume, and enhances the stirring action of the glass liquid, and has better beneficial effects.
  • the kiln bubbling device arrangement structure comprises N sets of arrangement series, each set of arrangement series is composed of M rows of bubbling devices, wherein each set of arrangement series is in the position of M rows of bubbling devices in the melting pool
  • N and M are integers greater than or equal to 1;
  • the furnace melting pool comprises three position intervals on the length L: [0.277L, 0.388L], [0.444L, 0.555L] and [0.611L, 0.722L], the N series of arrangement positions are located at Within one or more intervals of the three position intervals.
  • At least one of the N sets of arrangement series is located at a 1/3 position, a 1/2 position or a 2/3 position of the melting pool.
  • the positions of the N sets of arrangement series include one or more of a 1/3 position, a 1/2 position and a 2/3 position of the melting pool length.
  • the kiln bubbling arrangement comprises two rows of bubbling devices, and the positions of the two rows of bubbling devices are 1/3 position and 2/3 position of the length of the melting pool.
  • the kiln bubbling arrangement comprises two rows of bubbling devices, and the two rows of bubbling devices are respectively disposed at a position of 1/3 or 2/3 of the length of the melting pool, and the front and rear two rows of bubbling devices The average position is 1/3 position or 2/3 position.
  • the kiln bubbling arrangement comprises two rows of bubbling devices, the two rows of bubbling devices are arranged at a position of 1/3 or 2/3 of the length of the melting pool, and the two rows of bubbling devices The average position is the 1/3 position or the 2/3 position.
  • the kiln bubbling arrangement comprises two rows of bubbling devices, and the two rows of bubbling devices are disposed at a position of 1/3 or 2/3 of the length of the melting pool, and the two rows of drums
  • the bubble devices are staggered, and the front and rear rows are spaced apart by 800 to 2000 mm.
  • the N sets of arrangement series comprise N bubbling grooves, and each set of arrangement series is composed of M rows of bubbling tubes, the M rows of drums The bulbs are placed in the same bubbling tank.
  • the kiln bubbling device arrangement structure comprises two sets of arrangement series, and the two sets of arrangement series are respectively disposed at the 1/3 position and the 2/3 position of the melting pool, and M is 1 or 2.
  • the arrangement of the kiln bubbling device comprises two sets of arrangement series, the two sets of arrangement series are arranged before and after the 1/3 position of the length of the melting pool, and the spacing between the two groups of front and rear arrangement is 800 to 2000 mm, M is 1 or 2;
  • the two sets of arrangement series are arranged before and after the 2/3 position of the length of the melting pool, and the spacing between the two sets of front and rear arrangement is 800-2000 mm, and M is 1 or 2.
  • the adjacent rows of the bubbling devices are staggered, and the adjacent rows are spaced apart by 800 to 2000 mm.
  • the M rows of bubbling tubes are staggered, and the adjacent rows are spaced apart by 1000 to 1800 mm.
  • the bottom of the bubble groove is lower than the bottom plane of the pool of the molten pool by 0 to 400 mm.
  • the bottom of the bubble groove is 50-350 mm lower than the bottom plane of the pool of the molten pool.
  • the bottom of the bubble groove is lower than the bottom plane of the pool of the molten pool by 100-350 mm.
  • the top of the bubble tube is lower than the bottom plane of the pool of the molten pool by 0 to 400 mm.
  • the top of the bubbling tube is 50-350 mm lower than the bottom plane of the molten pool.
  • the bubbling tube is arranged in two rows in a staggered manner, and the front and rear rows are spaced apart by 800 to 2000 mm.
  • the top of the bubble tube is 100-300 mm lower than the bottom plane of the pool of the molten pool.
  • the top of the bubble tube is 150-200 mm lower than the bottom plane of the pool of the molten pool.
  • the top end of the bubbling tube is 30 to 100 mm above the bottom of the bubbling groove.
  • the top end of the bubbling tube is lower than the bottom plane of the molten pool by 100-300 mm, and the top end of the bubbling tube is 30-100 mm above the bottom of the bubbling groove.
  • the bubbling tube is vertically installed at the bottom of the bubbling groove.
  • a row of bubbling tubes closest to the feeding port is installed at a first predetermined angle, the first predetermined angle is offset from the vertical plane by 0° to 40°, and the mounting direction is the reverse glass flow direction.
  • the first predetermined angle is 5°-40° away from the vertical plane.
  • the first predetermined angle is 5°-30° away from the vertical plane.
  • the groove bottom of the arrangement series in the range of [0.305L, 0.361L] is 0-400mm lower than the bottom plane of the molten pool; the position is in the arrangement series of [0.638L, 0.694L].
  • the bottom of the bubble trough is 0 to 350 mm lower than the bottom plane of the molten pool.
  • the positions of the N sets of arrangement series include a 1/3 position and a 2/3 position of the length of the melting pool, and the distance between the top of the arranged series of bubbling tubes at the 1/3 position is lower than the bottom plane of the pool. Greater than the 2/3 position.
  • the positions of the N sets of arrangement series include 1/3 position and 2/3 position of the length of the melting pool, and the 1/3 position
  • the arrangement of the bottom of the row of the bubble groove is smaller than the bottom of the pool plane by more than the 2/3 position.
  • the interval between adjacent bubbling tubes in the same row of bubbling tubes is 300-800 mm.
  • the interval between adjacent bubbling tubes in the same row of bubbling tubes is 400-600 mm.
  • the bubbling groove is arranged in a dip-shaped arrangement, and the bubbling tube is installed in the bubbling groove, wherein the bottom of the bubbling groove is lower than the bottom plane of the pool by 0 to 400 mm, preferably more than the pool.
  • the bottom plane is 50 to 350 mm lower, and more preferably 100 to 350 mm lower than the bottom plane.
  • the bottom of the bubbling groove is designed with a bubbling tube hole, and the bubbling tube is disposed in the bubbling groove, and the bubbling tube is also preferably designed to have a depressed shape, that is, the top end of the bubbling tube is not higher than the bottom plane of the molten pool.
  • the design can effectively overcome the degradation of the strength of the bubbling tube under high temperature conditions, as well as defects such as bending and cracking affected by the glass liquid.
  • the top of the bubbling tube is lower than the bottom plane of the pool by 0 to 400 mm, preferably lower than the bottom plane of the pool by 50 to 350 mm, and more preferably lower than the bottom plane of the pool by 100 to 300 mm.
  • the bottom of the bubble trough is 130-400 mm lower than the bottom plane of the molten pool
  • the top of the bubbling tube is 100-300 mm lower than the bottom plane of the molten pool, and more preferably the bottom of the bubbling trough is lower than the bottom plane of the molten pool. It is 180-300 mm lower, and the top of the bubble tube is 150-200 mm lower than the bottom plane of the molten pool.
  • the area of the molten pool is constant, and the volume of the molten glass is increased.
  • the replacement rate is decreased, on the other hand, the gap between the bottom of the bubbling tank and the glass surface is enlarged, and the bubbling is prolonged.
  • the residence time in the molten glass is conducive to the expansion of the gas heated volume, the mechanical stirring efficiency of the molten glass is enhanced, and the clarification and homogenization effect of the molten glass is enhanced.
  • the sinking tank 0-400mm fully considers the temperature drop of the glass liquid and the change of the viscosity, which can improve the mechanical stirring efficiency of the bubbling, and also the vertical penetration of the bubbling to the glass liquid, and the above preferred range is further enhanced.
  • the beneficial effect of the sunken arrangement is further enhanced.
  • control bubbling device is arranged in a certain combination manner, which can effectively improve the physical effect of the bubbling gas on the glass liquid, thereby improving the clarification and homogenization effect of the glass liquid.
  • the bubbler devices of the present invention are arranged vertically at a distance from each other in a direction perpendicular to the length of the melt pool.
  • the same row of bubbling devices uses a bubbling tank, that is, a bubbling groove is designed in the bottom of the melting pool, and a row of bubbling holes is designed in the bottom of the bubbling tank, and the bubbling tube is installed in the bubbling In the tube hole, therefore, those skilled in the art will appreciate that the tip end of the bubble tube in the present invention should be higher or flush with the bottom of the bubble groove.
  • the position of a row of bubbling means refers to the position of the line at the center point of the row of bubbling tubes in the longitudinal direction of the kiln.
  • the kiln bubbling device arrangement structure of the present invention comprises N sets of arrangement series, each set of arrangement series is composed of M rows of bubbling devices, wherein each set of arrangement series is in the M row bubbling device is melting
  • N and M are integers greater than or equal to one. Since the position of a row of bubbling devices refers to the connection of the center point of the row of bubbling tubes at the length of the furnace The upward position, therefore, the position of each set of arrangement series is the average value of the position of the M-row bubbling device, that is, the average position of the line connecting the center points of the M bubbling tubes constituting the arrangement series in the length direction of the kiln .
  • the furnace melting pool includes three position intervals on the length L: [0.277L, 0.388L], [0.444L, 0.555L] and [0.611L, 0.722L], and controls the position of the N group arrangement series. In one or more intervals of the three position intervals, various beneficial effects such as fluxing, clarification, and homogenization are facilitated.
  • the calculation direction of the position is calculated from the flow hole toward the feed port.
  • the position interval [0.277L, 0.388L] means that the distance from the fluid hole accounts for 27.7% and 38.8% of the length of the melt pool. The range of positions between the two locations.
  • At least one of the N sets of arrangement series is located at a 1/3 position, a 1/2 position or a 2/3 position of the melt pool.
  • the 1/3 position, 1/2 position or 2/3 position of the length of the melting pool refers to the position of the halved or bisector of the melting pool.
  • the 1/3 position of the length of the melt pool means that the distance from the fluid hole is 1/3 of the length of the melt pool.
  • the position of the N sets of arrangement series includes one or more of a 1/3 position, a 1/2 position, and a 2/3 position of the melting pool length, wherein each group of the series is arranged
  • the position is the average position of the M-row bubbling device in the length direction of the melting pool.
  • the bubbling device when the bubbling device is disposed at 1/3 of the length of the melting pool, the bubbling device can enhance the stirring ability of the molten glass and ensure the obtaining of high-quality molten glass.
  • the bubbling device When the bubbling device is disposed at the 2/3 position of the length of the melting pool, the bubbling device can function as a material blocking, increase the diffusion coefficient of the material layer, and accelerate the melting of the batch material.
  • the bubbling device is disposed at a position of 1/2 of the length of the melting pool, the bubbling device can enhance the heat exchange of the molten glass, accelerate the formation of the glass, and shorten the clarification and homogenization time of the molten glass.
  • the kiln bubbling device arrangement structure provided by the present invention may comprise a series of arrangement series, the position of the group of arrangement series being 1/3 position of the length of the melting pool, in the 1/2 position and the 2/3 position
  • the depressed bubbling arrangement series at the above predetermined position, not only can the residence time of the bubbling in the molten glass be prolonged, but also the physical effect on the molten glass can be enhanced at this position, thereby effectively improving the clarification of the glass. Homogenization effect.
  • the arrangement series can be constituted by one or more rows of bubbling devices, which can further enhance the bubbling effect.
  • the arrangement series disposed at the 2/3 position of the length of the melting pool when the arrangement series disposed at the 2/3 position of the length of the melting pool is composed of two or more rows of bubbling devices, it can function as a material blocking, and the multi-row bubble design can make the material layer thin, The heating capacity is improved and the heat uniformity is increased to accelerate the melting of the batch.
  • the arrangement series disposed at the 1/3 position of the length of the melting pool is composed of two or more rows of bubbling devices, a good homogenization and clarification effect can be ensured.
  • the kiln bubbling device arrangement provided by the present invention may comprise two sets of arrangement series, the positions of the two sets of arrangement series being 1/3 position of the length of the melting pool, in the 1/2 position and the 2/3 position. In either position, each set of rows consists of one or more rows of bubbling devices.
  • the kiln bubbling device arrangement structure provided by the invention may comprise three sets of arrangement series, wherein the positions of the three sets of arrangement series are respectively 1/3 position, 1/2 position and 2/3 position of the length of the melting pool, and each The group arrangement consists of one or more rows of bubbling devices.
  • the bubbling effect and the quality of the molten glass are greatly improved compared to the prior art.
  • the arrangement of the kiln bubbling device in the technical solution of the present invention has the following modes:
  • the two rows of bubbling devices are respectively disposed at 1/3 position and 2/3 position of the length of the melting pool; or before or after the 1/3 position; or Before and after the 2/3 position.
  • the average position of the two rows of bubbling devices is the predetermined position.
  • the four rows of bubbling devices can form two sets of arrangement series.
  • the positions of the two sets of arrangement series are respectively set at 1/3 of the length of the melting pool. With a 2/3 position, a row of bubbling devices is placed on each side of each position.
  • the four rows of bubbling devices constitute a set of arrangement series set at 1/3 position or 2/3 position of the length of the melting pool, or two sets of arrangement series are respectively set at 1/3 of the length of the melting pool or 2/ Before and after the 3 position, and controlling the distance between the two sets of arrangement series is 800-2000 mm, that is, each side of the predetermined position is concentrated by two rows of bubbling devices, so that the bubbling device forms a certain bubbling area concentrated at the above position.
  • the arrangement of the five rows of bubbling devices is preferably based on the arrangement of the four rows of bubbling devices, and increases at a position of 1/2 of the length of the melting pool.
  • a row of bubbling arrangements are preferably based on the arrangement of the four rows of bubbling devices, and increases at a position of 1/2 of the length of the melting pool.
  • the spacing of the bubbling devices for controlling adjacent rows of the present invention is 800 to 2000 mm, preferably 1000 to 1800 mm. More preferably, the adjacent rows of bubbling devices are staggered, i.e., one of the bubbling tubes facing the flow of the molten glass and the two bubbling tubes of the other row are staggered into a "n-shaped" shape.
  • the spacing between the two rows of bubbling tubes is increased, and the arrangement of the bubbling to the glass liquid is increased after the staggered arrangement of the front and rear rows, which is beneficial to the heat exchange of the glass liquid, accelerates the formation of the material, accelerates the formation of the glass, reduces the stratification tendency of the glass liquid, and raises the glass.
  • the uniformity of the liquid is beneficial to the heat exchange of the glass liquid, accelerates the formation of the material, accelerates the formation of the glass, reduces the stratification tendency of the glass liquid, and raises the glass.
  • the interval between adjacent bubbling tubes in the same row of bubbling tubes is controlled to be 300 to 800 mm, preferably 400 to 600 mm.
  • the N sets of arrangement series include N bubbling grooves, each set of arrangement series is composed of M rows of bubbling tubes, and the M rows of bubbling tubes are disposed in the same bubbling tank. .
  • Each group of arrangement series is designed to have a bubbling groove at the bottom of the melting pool, and M rows of bubbling tubes are simultaneously disposed in the bubbling tank.
  • the design concentrates the plurality of rows of bubbling tubes in one bubbling tank, on the one hand, enhances the mechanical stirring efficiency of the glass liquid in the pool, on the other hand, increases the area of the bubbling tank, and promotes the exchange of bubbling in the tank to the upper and lower layers of the molten glass. Reduce the stratification of the glass.
  • the spacing between adjacent rows of bubble tubes is controlled to be 1000 to 1800 mm.
  • the preferred row spacing is fully considered to reduce the interference between the two rows of bubbles and improve the bubble efficiency.
  • the volume of the bubble tank increases, and the amount of molten glass entering the tank increases relatively, which can increase the capacity of the glass liquid and reduce the replacement rate.
  • the temperature of the molten glass in the bubbling tank is lowered, which is advantageous for prolonging the service life of the bubbling tube and the bubbling groove brick.
  • the bubble tube is vertically installed in the bubble tube hole at the bottom of the bubble groove.
  • a row of bubbling tubes closest to the feeding port is mounted at a first predetermined angle which is offset from the vertical plane by 0 to 40 and the mounting direction is the reverse glass flow direction.
  • a row of reverse glass liquid is arranged close to the feeding port to the inclined installation of the bubbling tube to enhance the resistance of the material and enhance the heating capacity and heat uniformity of the material layer.
  • the angle from the vertical plane is preferably 5 to 40, more preferably 5 to 30.
  • the present invention has been studied for the degree of sagging of the bubbling device arranged at different positions of the melting pool.
  • the bubbling device comprises a bubbling tube and a bubbling tank, and the difference between the position of the bubbling tube and the bubbling tank determines the extension length of the bubbling tube, and the precious metal dosage and safety are involved, and the inventor targets different positions.
  • the setting of the bubbling device was studied.
  • the depressed position of the bubble tube compared to the bottom plane of the pool was studied.
  • the sag of the bubble tube is related to the viscosity of the glass liquid and the bubble efficiency.
  • the larger the sag of the bubble tube the longer the bubble gas stays in the glass, but the excessive sag is not conducive to the vertical penetration of the bubble gas. Therefore, in the present invention, the position interval [0.611L, 0.722L] belongs to the position of the glass raw material zone, and the temperature of the glass material is relatively low. Considering the bubble efficiency and the viscosity of the glass liquid, it is preferable to control the bubble tube to be lower than the bottom plane of the cell.
  • the sag is small, and the vertical penetration of the bubbling gas can be effectively realized, and the bubbling efficiency is improved.
  • Most of the material in the position interval [0.277L, 0.388L] is converted into glass liquid.
  • the bubbling tube should be controlled to a large extent to increase the residence time of the bubbling gas in the glass.
  • the sag position of the bubble trough is compared with the bottom plane of the tank.
  • the sag amplitude of the bubbling tank is related to the drop temperature of the glass liquid and the capacity of the kiln.
  • the sag of the bubbling tank can effectively improve the kiln capacity.
  • the amount of glass has an effect on the quality of the molten glass, but the degree of subsidence needs to consider the overall temperature of the molten glass at the length of the molten pool and the temperature drop caused by the sinking.
  • the excessive degree of collapse of the bubble tank tends to increase the risk of crystallization of the glass.
  • the degree of depression of the bubble tank directly affects the distance of the bubble tube from the bottom of the bubble groove, and this distance has problems such as the safety of use of the bubble tube.
  • the arrangement of the kiln bubbling device of the present invention includes the drum at the position in the interval of [0.277L, 0.388L] or further in the interval of [0.305L, 0.361L].
  • the setting parameter of the bubble device is generally that the bottom of the bubble groove is lower than the bottom plane of the molten pool by 0 to 400 mm, preferably 50 to 350 mm, and correspondingly, the tip of the bubble tube is lower than the bottom plane of the molten pool by 0 to 400 mm, preferably 50 to 350mm;
  • the arrangement structure of the kiln bubbling device of the present invention includes a row at the position in the interval of [0.611L, 0.388L] or further in the interval of [0.638L, 0.694L]
  • the bottom of the bubble groove of the cloth series is lower than the bottom plane of the pool of the molten pool by 0 to 350 mm, preferably 50 to 300 mm, and correspondingly the tip of the bubble tube is 0 to 350 mm lower than the bottom
  • the arrangement structure of the kiln bubbling device of the present invention includes the arrangement of the 1/3 position and the 2/3 position, preferably, the top of the arrangement of the bubbling tubes at the 1/3 position is controlled.
  • the distance from the bottom plane of the pool is greater than the 2/3 position, and more preferably, based on the bottom plane of the pool, the tip of the bubbling tube at the 1/3 position is 50 to 200 mm lower than the tip of the bubbling tube at 2/3, further
  • the bottom of the bubbling groove at the control 1/3 position is 0 to 200 mm lower than the bottom of the bubbling groove at the position of 2/3.
  • the distance between the bottom of the arrangement series of the bubble groove at the 1/3 position is greater than the bottom of the bottom plane is greater than the 2/3 position, more preferably, based on the bottom plane, 1/
  • the bottom of the bubbling groove at the 3 position is 50-150 mm lower than the bottom of the bubbling groove at the position of 2/3, and the tip of the bubbling tube at the position of 1/3 is further controlled to be 0 to 200 mm lower than the tip of the bubbling tube at 2/3.
  • Adjusting the degree of sag of the bubbling tank and the bubbling tube according to the kiln structure and the temperature change of the actual molten glass can further improve the melting clarification efficiency and enhance the bubbling effect.
  • the kiln bubbling device arrangement structure of the invention has a bubbling groove at the bottom of the melting pool, the bubbling groove is submerged below the bottom of the pool, and the arrangement of the bubbling device arranged for the sag is optimized. It has the characteristics of reasonable design, simple operation, safety and practicality, and has the following advantages compared with the prior art:
  • the time of bubbling in the molten glass is prolonged, the mutual abutment of the mechanical stirring force between adjacent bubbling bubbles is effectively reduced, the mechanical stirring efficiency of the molten glass is enhanced, and the clarification and homogenization effect of the molten glass is enhanced.
  • the insertion depth of the bubble tube is effectively controlled, there is no bending fracture phenomenon, and the advantage of reducing the amount of precious metal is taken into consideration.
  • the temperature of the molten glass in the bubbling tank is lowered, which is advantageous for prolonging the service life of the bubbling tube and the bubbling trough.
  • Figure 1 is a cross-sectional view showing the arrangement of the blast furnace bubbling device in the first embodiment
  • Figure 2 is a schematic view showing the arrangement of the blast furnace bubbling device in the first embodiment
  • Figure 3 is a schematic view showing the arrangement of the blast furnace bubbling device in the third and fifth embodiments
  • Figure 4 is a cross-sectional view showing the arrangement of the blast furnace bubbling device in the third embodiment
  • Figure 5 is a cross-sectional view showing the arrangement of the blast furnace bubbling device in the fifth embodiment
  • Figure 6 is a cross-sectional view showing the arrangement of the blast furnace bubbling device in the sixth embodiment
  • Figure 7 is a schematic view showing the arrangement of the blast furnace bubbling device in the twelfth embodiment
  • Figure 8 is a cross-sectional view showing the arrangement of the blast furnace bubbling device in the twelfth embodiment
  • Figure 9 is a schematic view showing the arrangement of the blast furnace bubbling device in the sixteenth embodiment.
  • Figure 10 is a cross-sectional view showing the arrangement of the blast furnace bubbling device in the sixteenth embodiment.
  • Figure 1 to Figure 10 1, kiln center line; 2, feeding port; 3, fluid hole 4, kiln flue; 5, glass flow direction; 6, schematic diagram of bubbling gas; 7, liquid level line; 8, bubbling tank; 9, bubbling tube; 10, melting pool wall; 11, melting pool bottom; 12, bubbling airflow; 101, melting tank length 1/3 position; 102, melting pool length 2/3 position; 103, 1/2 position of the length of the melting pool.
  • a kiln bubbling device arrangement structure referring to FIG. 1 and FIG. 2, the bubbling device is divided into two rows, which are respectively disposed at 1/3 of the length of the melting pool and at a position of 2/3 (Fig. 1) The positions 101 and 102 are shown), and the sag arrangement is adopted, the top end of the bubble tube 9 sinks 100 mm from the plane of the bottom 11 of the pool, and the top end of the bubble tube 9 is 30 mm higher than the bottom of the bubble groove 8 in the same row of bubbling devices.
  • the spacing between adjacent bubble tubes is 600 mm.
  • Embodiment 1 The difference from Embodiment 1 is that the top end of the bubble tube 9 sinks 150 mm from the plane of the bottom 11 of the pool, and the top end of the bubble tube 9 is higher than the bottom of the groove of the bubble groove 8 by 100 mm, between adjacent bubble tubes in the same row of bubbling devices.
  • the interval is 300mm.
  • the bubbling device is arranged in two rows before and after the 1/3 position of the length of the melting pool, and the spacing between the front and rear two rows of bubbling devices is 1200 mm, and the drums of the two rows of bubbling devices are arranged in a staggered arrangement.
  • the center line of the bubble tube 9 is located 600 mm before and after the 1/3 position of the melting pool.
  • the top end of the bubble tube 9 sinks 200 mm from the plane of the bottom 11 and the interval between adjacent blister 9 in the same row of bubbling devices is 500 mm.
  • the staggered arrangement of the two rows of bubbling means means that the bubbling tube for controlling the flow direction of the reverse glass liquid is alternated with the two bubbling tubes of the other row into a "shape" shape.
  • the bubbling 61 The bubble 62 and the bubble 63 which are bulged with the other row of bubble tubes are staggered into a "shape" shape.
  • the bubbling device is arranged in two rows before and after the 2/3 position of the length of the melting pool, and the spacing between the front and rear rows of bubbling devices is 2000 mm for staggered arrangement. And with a depressed arrangement, the top end of the bubble tube 9 sinks 200 mm from the plane of the bottom 11 and the interval between adjacent bubbles 9 in the same row of bubbling devices is 400 mm.
  • the bubbling device is arranged in two rows before and after the 1/3 position of the length of the melting pool (the flow liquid hole 3 position is directed to the feed port 2 direction 1 /3 position, 101 position shown in Figure 3), the bubble groove 8 is arranged in a depression, the bubble groove 8 is 400 mm lower than the plane of the bottom 11 of the pool, and the two rows of bubbling devices are arranged in the same bubbling groove. That is, the two rows of bubbling tubes 9 are vertically inserted and installed in the reserved holes at the bottom of the groove of the bubbling tank 8, and the tops of the bubbling tubes are all lower than the bottom plane of the pool by 300 mm.
  • the two rows of bubbling tubes are staggered, the spacing between the front and rear rows of bubbling tubes is 800 mm, and the center line of the bubbling tubes is respectively located at 400 mm before and after the length of the melting pool, and adjacent bubbling in the same row of bubbling devices The interval between 9 is 300 mm.
  • the bubbling device is arranged in two rows before and after the 2/3 position of the length of the melting pool, and the bubbling groove 8 is arranged in a dip manner, the bubbling groove 8 is 300 mm lower than the plane of the bottom 11 of the pool, and the two rows of bubbling devices Set in the same bubbling tank, the two rows of bubbling tubes are staggered in front of and behind the 2/3 position of the melting pool, and the center line of the bubbling tube is located 500mm before and after the 2/3 position of the length of the melting pool, and two rows of bubbling The tube spacing is 1000mm.
  • a row of bubbling tubes 9 near the position of the feeding port 2 is obliquely installed in the reserved hole at the bottom of the bubbling groove, the inclination angle is 30° away from the vertical surface, and is installed opposite to the flow direction of the glass, and is arranged away from the row of bubbling tubes at the position of the feeding port 2.
  • 9 The vertical insertion is installed in the reserved hole of the bottom of the groove of the bubbling tank 8, the top end of the bubbling tube 9 is 250 mm below the plane of the bottom of the pool, and the spacing between adjacent bubbling tubes 9 in the same row of bubbling tubes 9 is 800 mm.
  • the bubbling device is disposed at 1/2 of the length of the melting pool in the melting pool of the kiln (the intermediate position of the length of the melting pool, at the position 103 shown in FIG. 7), and the bubbling tank 8 is arranged in a depression, and the bubbling tank 8 is lower than the bottom of the tank.
  • the plane is 350mm lower.
  • a row of bubbling tubes 9 is disposed at a center position of 1/2, and is vertically installed at the bottom of the groove of the bubbling tank 8, and the top end of the bubbling tube 9 is 300 mm below the plane of the bottom of the tank.
  • the kiln bubbling arrangement includes two sets of arrangement series, and the two sets of arrangement series are respectively arranged at 1/3 position and 2/3 position of the length of the melting pool, wherein the two groups of arranged series of bubbling grooves are compared.
  • the bottom plane of the pool is 320mm lower, the top end of the bubbling tube 9 disposed at the 1/3 position of the length of the melting pool is lower than the bottom plane 300mm, and the top of the bubbling tube 9 disposed at the 2/3 position of the length of the melting pool is lower than the bottom of the pool.
  • the plane is 100mm.
  • Each set of arrangement series is arranged in a row of two rows of bubbling tubes in a bubbling groove, the front and rear rows are spaced apart by 1200 mm, and the center lines of the two rows of bubbling tubes 9 are respectively located at the 1/3 or 2/3 position of the melting pool. 600mm front and rear. The spacing between adjacent bubble tubes 9 in the same row of bubble tubes is 500 mm.
  • the kiln bubbling arrangement comprises two sets of arrangement series, and the two sets of arrangement series are respectively arranged at 1/3 position and 2/3 position of the length of the melting pool, wherein the two groups arrange the series of bubbling grooves It is 220mm lower than the bottom plane of the pool.
  • the top end of the bubbling pipe 9 disposed at the 1/3 position of the length of the melting pool is 200mm below the bottom plane of the pool.
  • the top of the bubbling pipe 9 disposed at the 2/3 position of the length of the melting pool is lower than the pool.
  • the bottom plane is 50mm.
  • Each set of arrangement is arranged in a row of two rows of bubbling tubes in a row of grooves, front and rear row spacing 2000 mm, and the center lines of the two rows of bubbling tubes 9 are respectively located at the 1/3 position of the length of the melting pool or 1000 mm before and after the 2/3 position.
  • the spacing between adjacent bubble tubes 9 in the same row of bubble tubes is 600 mm.
  • the difference between this embodiment and the embodiment 8 is that the top ends of the two rows of the bubbling tubes 9 are all lower than the bottom plane 100 mm, and the bubbling grooves arranged at the 1/3 position are 250 mm lower than the bottom plane of the pool.
  • the bubbling groove at the 2/3 position is 150 mm lower than the bottom plane of the pool, and the center lines of the two rows of bubbling tubes 9 of each group are arranged at the 1/3 position of the melting pool or 800 mm before and after the 2/3 position.
  • the spacing between adjacent bubble tubes 9 in the same row of bubbling tubes is 400 mm.
  • the difference between this embodiment and the embodiment 8 is that the top ends of the two rows of the bubbling tubes 9 are all lower than the bottom plane 120 mm, and the bubbling grooves arranged at the 1/3 position are 300 mm lower than the bottom plane of the pool.
  • the bubbling groove at the 2/3 position is 150 mm lower than the bottom plane of the pool, and the center lines of the two rows of bubbling tubes 9 of each group are arranged at the 1/3 position of the melting pool or 900 mm before and after the 2/3 position.
  • the spacing between adjacent bubble tubes 9 in the same row of bubbling tubes is 350 mm.
  • the kiln bubbling device arrangement has three sets of arrangement, and is respectively disposed at 1/3, 1/2 and 2/3 of the length of the melting pool, and constitutes each group of rows.
  • the bubbling tubes of the cloth series are arranged in a bubbling tank, and the bubbling tanks 8 are arranged in a depression.
  • the position of the first group of arrangement is at 1/3 of the length of the melting pool
  • the bubbling tank 8 is 400 mm lower than the plane of the bottom of the pool
  • the bubbling tube 9 is divided into two rows staggered at a position of 1/3 before and after, the bubbling tube 9 is vertically inserted into the reserved hole at the bottom of the bubble groove, and the top end of the bubble tube 9 is 300 mm lower than the bottom plane of the pool;
  • the position of the second group of arrangement is 2/3 of the length of the melting pool, the bubble groove 8 is 300 mm lower than the bottom plane of the pool, and the bubble tube 9 is divided into two rows staggered at the front and rear positions of the 2/3 position, and the position of the feed port 2
  • a row of bubbling tubes 9 are obliquely inserted and installed in the reserved holes at the bottom of the groove of the bubbling tank 8, the inclination angle is 15° away from the vertical plane and the reverse flow of the glass liquid is installed, and the top end of the bubbling tube 9 is 200 mm below the bottom plane of the tank, away from the feeding port.
  • a row of bubbling tubes 9 at a position of 2 is vertically inserted into a reserved hole in the bottom of the groove of the bubble tank 8, and the top end of the bubbling tube 9 is lower than the bottom plane of the pool by 250 mm;
  • the position of the third group of arrangement is 1/2 of the length of the melting pool, the bubble groove 8 is 350 mm lower than the bottom plane of the pool, and the row of the bubble tubes 9 is disposed at a center position of 1/2, and is vertically installed in the bubble groove. At the bottom of the 8 trough, the top of the bubbling tube 9 is 100 mm below the plane of the bottom of the tank.
  • This embodiment differs from the embodiment 5 in that the bubbling devices disposed at the 1/3 position of the length of the melting pool are in a row.
  • Embodiment 6 differs from Embodiment 6 in that the bubbling devices disposed at 2/3 of the length of the melt pool are in a row.
  • This embodiment differs from the embodiment 12 in that a row of bubbling tubes 9 at the position of the feed opening 2 are obliquely inserted and mounted in the bubbling.
  • the groove 8 is in the reserved hole at the bottom of the groove, and the inclination angle from the vertical plane is 25° and the reverse glass flow direction is installed.
  • the kiln bubbling device arrangement has two sets of arrangement, and the bubbling tubes constituting each group of arrangement are arranged in one bubbling tank, and the bubbling tank 8 is depressed.
  • the position of the first group of arrangement is 1/3 of the length of the melting pool
  • the bubbling tank 8 is 350 mm lower than the plane of the bottom of the pool
  • the bubbling tube 9 is divided into two rows staggered at a position of 1/3 before and after, the bubbling tube 9 is vertically inserted into the reserved hole at the bottom of the bubble groove, and the top end of the bubble tube 9 is 300 mm lower than the bottom plane of the pool;
  • the position of the second set of arrangement is at the first 600 mm of the 2/3 position of the length of the melt pool, the bubble groove 8 is 300 mm lower than the bottom plane of the pool, the bubble tubes are in a row and are inserted obliquely into the bottom of the groove of the bubble tank 8 In the reserved hole, the inclination angle is 15° away from the vertical surface and the reverse flow of the glass liquid is installed, and the top end of the bubble tube 9 is lower than the bottom plane 250 mm.
  • the present invention has been extensively studied for the depressed design of the bubbling device and its corresponding arrangement, and has the characteristics of reasonable design, simple operation, safety and practicality, and has the following advantages compared with the prior art:
  • the time of bubbling in the molten glass is prolonged, the mutual abutment of the mechanical stirring force between adjacent bubbling bubbles is effectively reduced, the mechanical stirring efficiency of the molten glass is enhanced, and the clarification and homogenization effect of the molten glass is enhanced.
  • the insertion depth of the bubble tube is effectively controlled, there is no bending fracture phenomenon, and the advantage of reducing the amount of precious metal is taken into consideration.
  • the temperature of the molten glass in the bubbling tank is lowered, which is advantageous for prolonging the service life of the bubbling tube and the bubbling trough.
  • the kiln bubbling arrangement structure disclosed in the invention adopts a sag arrangement, the bubbling groove is depressed below the bottom plane of the pool, and the bubbling tube is installed in the bubbling groove, the design enlarges the bottom of the bubbling tank and the glass liquid
  • the gap between the faces prolongs the residence time of the bubbling in the molten glass, which is more conducive to the expansion of the volume of the heated gas, and enhances the stirring effect of the molten glass.
  • the invention also optimizes the arrangement of the bubbling device and the installation method of the bubbling tube, and effectively improves the clarification and homogenization quality of the glass liquid and the stability of the production operation, and has the advantages of reasonable design, simple operation and safety. Practical and other characteristics.

Abstract

L'invention concerne une structure d'agencement d'appareils bouillonneurs d'un four, comprenant des appareils bouillonneurs disposés dans un bassin de fusion (11) d'un four. Chaque appareil bouillonneur comprend un réservoir bouillonneur (8) et un tube bouillonneur (9). Le réservoir bouillonneur (8) est agencé au fond du bassin de fusion (11) et disposé de manière encastrée. Le tube bouillonneur (9) est monté dans le réservoir bouillonneur (8). Cette structure peut améliorer efficacement l'effet physique d'un gaz bouillonneur sur du verre fondu et améliorer la qualité et l'efficacité de production du verre fondu.
PCT/CN2017/100130 2016-09-21 2017-09-01 Structure d'agencement pour appareils bouillonneurs de four WO2018054210A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2018566508A JP6821713B2 (ja) 2016-09-21 2017-09-01 窯炉バブリング装置の配列構造
EP17852278.5A EP3431445B1 (fr) 2016-09-21 2017-09-01 Structure d'agencement pour appareils bouillonneurs de four
BR112018074207-4A BR112018074207B1 (pt) 2016-09-21 2017-09-01 Estrutura de arranjo para aparelhos de borbulhamento de um forno
PL17852278T PL3431445T3 (pl) 2016-09-21 2017-09-01 Struktura rozmieszczenia urządzeń barbotażowych pieca
US16/093,049 US11097972B2 (en) 2016-09-21 2017-09-01 Arrangement structure for bubbling apparatuses of furnace
ES17852278T ES2908643T3 (es) 2016-09-21 2017-09-01 Estructura de disposiciones para aparatos de burbujeo de horno

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201610835110.9A CN106477852A (zh) 2016-09-21 2016-09-21 一种窑炉鼓泡排布结构
CN201610835110.9 2016-09-21
CN201710321585.0A CN107857463B (zh) 2016-09-21 2017-05-09 一种窑炉鼓泡装置排布结构
CN201710321585.0 2017-05-09

Publications (1)

Publication Number Publication Date
WO2018054210A1 true WO2018054210A1 (fr) 2018-03-29

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PCT/CN2017/100130 WO2018054210A1 (fr) 2016-09-21 2017-09-01 Structure d'agencement pour appareils bouillonneurs de four

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WO (1) WO2018054210A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108975655A (zh) * 2018-09-10 2018-12-11 中国建材国际工程集团有限公司 一种适用于生产着色玻璃的压延玻璃熔窑

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Publication number Priority date Publication date Assignee Title
US3030736A (en) * 1958-01-07 1962-04-24 Harvey L Penberthy Method of homogenizing glass
US3414396A (en) * 1964-06-05 1968-12-03 Glaverbel Process for homogenizing glass by gas injection
US4019888A (en) * 1975-02-10 1977-04-26 U.S. Philips Corporation Method of melting a raw bath and a glass furnace for performing the method
JP2002284532A (ja) * 2001-03-28 2002-10-03 Osaka Gas Co Ltd ガラス溶解炉
WO2005037721A1 (fr) * 2003-10-20 2005-04-28 Nippon Electric Glass Co., Ltd. Composition de verre et procede de fabrication d'article en verre
CN106477852A (zh) * 2016-09-21 2017-03-08 巨石集团有限公司 一种窑炉鼓泡排布结构

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Publication number Priority date Publication date Assignee Title
US3030736A (en) * 1958-01-07 1962-04-24 Harvey L Penberthy Method of homogenizing glass
US3414396A (en) * 1964-06-05 1968-12-03 Glaverbel Process for homogenizing glass by gas injection
US4019888A (en) * 1975-02-10 1977-04-26 U.S. Philips Corporation Method of melting a raw bath and a glass furnace for performing the method
JP2002284532A (ja) * 2001-03-28 2002-10-03 Osaka Gas Co Ltd ガラス溶解炉
WO2005037721A1 (fr) * 2003-10-20 2005-04-28 Nippon Electric Glass Co., Ltd. Composition de verre et procede de fabrication d'article en verre
CN106477852A (zh) * 2016-09-21 2017-03-08 巨石集团有限公司 一种窑炉鼓泡排布结构

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108975655A (zh) * 2018-09-10 2018-12-11 中国建材国际工程集团有限公司 一种适用于生产着色玻璃的压延玻璃熔窑

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