CN106830652B - Energy-saving and consumption-reducing annealing method for tube-made glass bottles - Google Patents
Energy-saving and consumption-reducing annealing method for tube-made glass bottles Download PDFInfo
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- CN106830652B CN106830652B CN201710166745.9A CN201710166745A CN106830652B CN 106830652 B CN106830652 B CN 106830652B CN 201710166745 A CN201710166745 A CN 201710166745A CN 106830652 B CN106830652 B CN 106830652B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
- C03B25/04—Annealing glass products in a continuous way
- C03B25/06—Annealing glass products in a continuous way with horizontal displacement of the glass products
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/04—Transporting of hot hollow or semi-hollow glass products
Abstract
The invention discloses a tube glass bottle annealing method capable of saving energy and reducing consumption, which is realized by an annealing furnace chamber, a heat circulation system, two rows of fixed beams arranged in parallel and one row of movable walking beams matched with the fixed beams. The invention combines the annealing process and the production process of the tube-type glass bottle, fully utilizes the self waste heat of the product, is assisted by a high-efficiency heat circulation and in-furnace transfer system, directly carries out automatic continuous annealing after the bottle body is formed, and has the advantages of small heat loss, stable furnace temperature, uniform heating of the bottle body and small energy waste.
Description
Technical Field
The invention relates to a glass bottle annealing method, in particular to a tube-type glass bottle annealing method capable of saving energy and reducing consumption.
Background
The glass bottle is generally required to be annealed after being formed so as to eliminate internal stress generated in the forming rapid cooling process. At present, a mesh belt type annealing furnace is mainly adopted in the industry to be matched with a bottle making machine for use, the mesh belt is made of 1Cr13 materials, so that rust spots are easily generated at the contact part of the bottle wall and the mesh belt, and the moving mesh belt passes through a high-temperature region of the annealing furnace and a room temperature region outside the annealing furnace in a circulating manner and is repeatedly heated and cooled, so that on one hand, all parts of a bottle body are unevenly heated, the risk of bottle explosion is caused, and meanwhile, heat loss and energy waste are caused. In addition, the existing glass bottle annealing furnace mostly adopts a single-layer heat-insulating wall structure, the temperature zone of the furnace body is single, the glass bottles are usually preheated and slowly cooled by means of other equipment, effective waste heat recycling measures are lacked, the potential of the annealing furnace cannot be fully exerted, and the cost is improved.
Disclosure of Invention
In view of the above, the present invention provides a method for annealing a glass bottle made of a tube, which can utilize the self-residual heat to realize thermal circulation and segmented temperature control, and effectively reduce the heat loss and energy consumption, aiming at the problems and disadvantages existing in the working process of the mesh belt type glass bottle annealing furnace.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the annealing method of the tube glass bottle capable of saving energy and reducing consumption is realized by an annealing furnace chamber, a heat circulation system, two rows of fixed beams arranged in parallel and one row of movable walking beams matched with the fixed beams, wherein the annealing furnace chamber is arranged into a preheating zone, a heating and heat preservation zone and a slow cooling zone from an inlet to an outlet in functional sequence; the heat circulation system is arranged at the upper part of the working area of the annealing furnace and is characterized in that the heat circulation system is of a through sandwich structure, combustion-supporting air led in from the outside through a combustion-supporting fan and anoxic hot waste gas pumped out of the working area flow along independent sandwich channels which are alternately arranged and one end of which is sealed, exchange heat and participate in heat circulation of the annealing furnace; the fixed beam and the movable walking beam are coated with heat insulating materials and are integrally positioned in a closed furnace chamber of the annealing furnace; the movable walking beams are arranged between the two parallel fixed beams, a certain gap is reserved between the movable walking beams, and the movable walking beams, the fixed beams and the movable walking beams are all provided with V-shaped grooves with equal intervals; the movable walking beam is driven by a motor arranged at the lower part of the furnace body to do reciprocating motion of ascending, feeding, descending and returning within a step pitch; the method comprises the following steps:
(1) The fixed beam receives the bottle: the glass bottle with the waste heat rolls from the outlet of the bottle making machine to the first V-shaped groove of the fixed beam through the blanking groove;
(2) The glass bottles are sequentially fed on the fixed beam: starting the movable stepping beam, and realizing the successive feeding motion of the glass bottles from the first V-shaped groove of the fixed beam to each subsequent V-shaped groove through the reciprocating motion of ascending, feeding, descending and returning of the movable stepping beam;
(3) Preheating a glass bottle: the movable walking beam transfers the glass bottles to a preheating zone of the annealing furnace, and the bottles are preheated by hot waste gas blown from the tail end of the preheating zone and heat radiation of a heating and heat-preserving zone;
(4) Heating and heat preservation of the glass bottle: the movable walking beam transfers the glass bottles to a heating and heat-preserving area of the annealing furnace, and the glass bottles are gradually heated to the annealing temperature by radiant heat and are preserved for a pre-designed travel time for annealing;
(5) Cooling the glass bottle: the movable walking beam transfers the glass bottle to the slow cooling area, the temperature of the bottle body is gradually reduced by means of a heat dissipation interlayer of the heat circulation system, and the glass bottle enters the bottle collector from the inclined plane of the last station of the fixed beam, and finally the whole annealing process is finished.
Further, thermal cycle system lateral wall and top all adopt insulation material cladding to seted up hot waste gas export at annealing stove preheating zone end top, seted up hot waste gas entry at slow cooling district top, correspond to it, be provided with combustion-supporting air inlet at the thermal cycle system one end on hot waste gas entry upper portion, and be provided with combustion-supporting air outlet at the combustion chamber top of hot waste gas exit below, hot waste gas and combustion-supporting air flow along independent intermediate layer passageway respectively in thermal cycle system.
Further, the glass bottles in the step (2) are sequentially fed on the fixed beam one by means of four action cycles of the movable walking beam in a moving step: (1) the movable walking beam starts and rises: the movable walking beam is initially static at a bottom dead center position below the fixed beam, and starts to slowly and stably rise after being started, so that the glass bottle positioned at the first station is lifted to leave the V-shaped groove of the fixed beam and is limited in the V-shaped groove corresponding to the movable walking beam; (2) feeding a movable walking beam: after the movable walking beam rises to the top dead center, the glass bottle is lifted and fed in the horizontal direction to move by one step to the top dead center position on the left side, and meanwhile, the next glass bottle enters the first station of the fixed beam; (3) descending the movable walking beam: the movable walking beam descends from the upper dead center position on the left side to the lower dead center position below the fixed beam, when the movable walking beam descends to penetrate through the fixed beam, the glass bottle is received by the V-shaped groove on the second station of the fixed beam, and horizontal displacement of the glass bottle on the fixed beam by one step is realized; (4) and (3) moving the walking beam back: the movable walking beam is horizontally translated from the left bottom dead center position back to the right bottom dead center position ready to begin operation (1).
Further, the top of the furnace body of the preheating zone in the step (3) is an inclined plane with a low outside and a high inside, the top of the inlet side is provided with a waste gas exhaust fan, the top of the tail end of the preheating zone close to the heating and heat preservation zone is provided with a hot waste gas outlet, the temperature in the preheating zone uniformly rises from 100 ℃ to about 550 ℃ along the feeding direction, 5-10V-shaped grooves can be arranged in the preheating zone according to the temperature rise requirement, and the temperature of the hot waste gas blown from the tail end of the preheating zone is 300-400 ℃.
Further, 6-12V-shaped grooves are arranged in the heating and heat preservation area in the step (4), a temperature measurement system is arranged at the same time, temperature data of the heating and heat preservation area are fed back to the control computer in real time, and the combustion intensity of a flame nozzle in the combustion chamber is further adjusted in real time through the temperature control system, so that the temperature of the heating and heat preservation area is guaranteed to be 600-700 ℃.
Further, the top of the slow cooling area in the step (5) is separated from a heat circulation system by using a heat-resistant steel plate, the top of the beginning end of the slow cooling area is provided with a hot waste gas slow cooling area outlet FH communicated with a combustion chamber, a hot waste gas inlet is formed beside the outlet along the feeding direction, the temperature of the slow cooling area is uniformly reduced to about 100 ℃ from 600 ℃ along the feeding direction, 8-15V-shaped grooves can be formed in the slow cooling area according to the requirement of temperature reduction time, and the temperature of hot waste gas extracted from the beginning end of the slow cooling area is 500-600 ℃.
Furthermore, a combustion chamber is arranged above the heating and heat preservation area and below the heat circulation system, the side wall and the top of the combustion chamber are coated by heat preservation materials 8, the bottom of the combustion chamber is a silicon carbide flame isolating plate, 3-9 flame nozzles are uniformly arranged on the side wall of the combustion chamber to directly heat the silicon carbide plate, and a combustion air outlet communicated with the heat circulation system is arranged at the top of one side of the combustion chamber close to the preheating area.
Further, the length of the slow cooling area is larger than that of the heating and heat preservation area.
Furthermore, the interlayer channel of the heat circulation system is formed by separating pure copper sheets.
Compared with the prior art, the method has the beneficial effects that:
(1) The heat circulation system designed by the invention has obvious temperature control effects of the transition section of the preheating zone and the slow cooling zone, and utilizes the radiation and conduction heat exchange of cold and hot air in the heat circulation interlayer loop to construct a temperature gradient in which the preheating zone gradually rises and the slow cooling zone gradually falls, so that the problems of unstable annealing quality and poor product consistency caused by temperature mutation when a glass bottle enters and exits the heating and heat preservation zone of the annealing furnace are avoided;
(2) The heat circulation system designed by the invention changes the current situation that the bottle body is preheated by an additional heating measure in the prior art, and the glass bottle which initially enters the furnace body is preheated by efficiently utilizing the waste heat of the waste gas, so that the temperature of the bottle body can be effectively stabilized, the energy-saving effect is obvious, and the heat efficiency is greatly improved;
(3) The fixed beam and the movable walking beam which are arranged in the working space of the annealing furnace are adopted to replace the traditional mesh belt type structure, so that the glass bottles are transferred in the annealing furnace, the heat loss and temperature fluctuation of the bottle body carrying system body caused by repeated entering and exiting of the high temperature area of the furnace body and the low temperature area outside the furnace are effectively avoided, the heat loss is reduced, and the temperature uniformity of the furnace body and the annealing quality of the glass bottles are obviously improved;
(4) The V-shaped grooves formed in the fixed beam and the movable walking beam are used for transferring glass bottles, the structural body where the V-shaped grooves are formed is matched with the dovetail for the beam body, the quick replacement can be realized, and the shutdown maintenance time is shortened. And V-shaped grooves with specific intervals and sizes can be prepared according to the requirements, the transfer requirements of glass bottles with different appearance sizes are realized by matching the stepping intervals of the movable stepping beams, the size range of the glass bottles applicable to the annealing furnace is greatly expanded, and the production flexibility of the annealing furnace is effectively improved.
Drawings
Fig. 1 is a schematic structural view of the apparatus used in the present invention, in which a movable walking beam is in an ascending section.
FIG. 2 is a schematic view of the thermal cycle systems B, C, D and E shown in FIG. 1.
Fig. 3 is a schematic structural view of a movable walking beam and a fixed beam.
Number in the figure: 1-machine base, 2-fixed beam inclined plane, 3-movable walking beam, 4-glass bottle, 5-combustion-supporting fan, 6-slow cooling zone, 7-heat circulation system, 8-heat preservation material, 9-heating heat preservation zone, 10-flame nozzle, 11-silicon carbide flame-isolating plate, 12-preheating zone, 13-waste gas exhaust fan, 14-combustion chamber, 15-fixed beam, 16-combustion-supporting air inlet, 17-hot waste gas interlayer closed end, 18-hot waste gas inlet, 19-combustion-supporting air interlayer closed end, 20-hot waste gas outlet, 21-combustion-supporting air outlet, 22-V-shaped groove, 23-movable walking beam base, 24-fixed beam base and 25-dovetail groove.
The ports of the heat cycle system 7 shown in fig. 1 are: FG-hot waste gas inlet end face, JK-hot waste gas outlet end face, MN-combustion air inlet end face, JL-combustion air outlet end face and FH-hot waste gas slow cooling area outlet.
Detailed Description
As shown in fig. 1, 2 and 3, the annealing method of the energy-saving and consumption-reducing tubular glass bottle 4 comprises the following steps: the method comprises the steps that a flame nozzle 10, a combustion-supporting fan 5 and an exhaust gas fan 13 of a combustion chamber 14 of an annealing furnace are opened in advance 5-10 minutes before glass bottles 4 enter the annealing furnace, so that a heat circulation system 7 works normally, the glass bottles 4 with waste heat roll down to a first V-shaped groove 22 of a fixed beam 15 from an outlet of a bottle making machine through a blanking groove after the temperature of a to-be-heated heat preservation area 9 is stable, then a movable walking beam 3 which initially stops at a bottom dead center position below the fixed beam 15 is started under the action of a motor and starts to slowly and stably ascend, the glass bottles 4 located at a first station are lifted to leave the V-shaped groove 22 of the fixed beam 15 in the ascending process and are limited in the V-shaped groove 22 corresponding to the movable walking beam 3, the movable walking beam 3 ascends to a top dead center, then the movable walking beam 3 lifts the glass bottles 4 to move by one step distance to a left top dead center position along the horizontal direction, and meanwhile the next glass bottle enters the first station of the fixed beam 15 to be moved; the movable walking beam 3 further descends from the top dead center on the left side to the bottom dead center position below the fixed beam 15, when the movable walking beam 3 descends to penetrate through the fixed beam 15, the glass bottle 4 is received by the V-shaped groove 22 on the second station of the fixed beam 15, horizontal displacement of the glass bottle 4 on the fixed beam 15 by one step is achieved, and then the movable walking beam 3 horizontally moves back to the bottom dead center on the right side from the bottom dead center position on the left side to prepare for starting the moving operation of the next glass bottle 4; in the whole moving process, the glass bottles 4 to be annealed stably and sequentially enter the preheating area 12 of the annealing furnace by adjusting the rotation speed of the motor arranged on the frame 1 and the beat of the bottle making machine.
In this embodiment, the top of the preheating zone 12 is a slope with a low outside and a high inside, and the zone is provided with 8V-shaped groove 22 stations. The combustion air cooling blown by the combustion fan 5 enters the heat cycle system 7 through the combustion air inlet end surface MN, as shown in the view from fig. 2B, and is characterized in that the end surface is alternately provided with combustion air inlets 16 and hot exhaust gas interlayer closed ends 17 for preventing hot exhaust gas from escaping. The combustion air and the hot exhaust gas flow directionally in the heat circulation system 7, and the heat exchange is fully carried out in the process. The hot exhaust gases are then discharged from the hot exhaust gas outlet end face JK (in fig. 2D) through the hot exhaust gas outlet 20 into the preheating zone 12, where the hot exhaust gases have a temperature of about 350-400 c. According to the difference of the distance of the V-shaped groove 22 from the end face JK of the hot exhaust gas outlet and the distance of the inlet of the heating and holding area 9, the temperature of the preheating area 12 gradually rises from about 100 ℃ of the inlet of the annealing furnace to about 500 ℃ of the inlet of the heating and holding area 9.
The glass bottles 4 continue to enter the heating and heat preservation area 9 along with the periodic movement of the movable walking beam 3, and the area is provided with 9V-shaped groove 22 stations. Combustion air which is subjected to sufficient heat exchange in the heat circulation system 7 enters a combustion chamber 14 where a nozzle is located from a combustion air outlet end face JL (in the direction of figure 2E) through a combustion air outlet 21 for supporting combustion and heating, and enters a slow cooling area FH (FH) 6 through a hot waste gas slow cooling area outlet under the pushing of the airflow of newly entered combustion air, meanwhile, a part of hot waste gas enters the heat circulation system 7 from a hot waste gas inlet end face FG through a hot waste gas inlet 18 (in the direction of figure 2C), after sufficient heat exchange with combustion air entering from a combustion air inlet end face MN, the cooled hot waste gas is discharged into a preheating area 12 from a hot waste gas outlet end face JK, and the heated combustion air enters the combustion chamber 14 from the combustion air outlet end face JL, so that the heat circulation is realized. The hot waste gas inlet end face FG, as shown in the view of fig. 2C, is characterized in that the end face is alternately provided with a hot waste gas inlet 18 and a combustion air interlayer closed end 19 for preventing combustion air from escaping; the two side walls of the combustion chamber 14 are respectively provided with 3 flame nozzles 10 which directly heat the silicon carbide flame-isolating plate 11, heat is radiated into the heating and heat-insulating area 9 of the annealing furnace, the temperature data of the heating and heat-insulating area 9 is fed back to the control computer in real time through the temperature measuring system, the combustion intensity of the flame nozzles 10 in the combustion chamber 14 is further adjusted in real time through the temperature control system, and the temperature constancy of the heating and heat-insulating area 9 is ensured to be 650 +/-10 ℃.
The glass bottles 4 finish the heating and heat preservation process after the set step length retention time, then continue to step into the slow cooling area 6 along with the movable walking beam 3, 10V-shaped groove 22 stations are arranged in the area, most heat enters a heat circulation system 7 above the slow cooling area 6 at the moment, the furnace temperature gradually and uniformly drops from about 600 ℃ at the outlet end of the heating and heat preservation area 9 to about 100 ℃ at the tail end of the slow cooling area 6 along the feeding direction of the glass bottles 4, and finally the glass bottles 4 enter a bottle collector through a fixed beam inclined plane 2 behind the last V-shaped groove 22 station of a fixed beam 15, and finally the whole annealing process is finished.
The schematic structural diagram of the movable walking beam and the fixed beam is shown in fig. 3, wherein the assembly parts of the working parts of the fixed beam 15 and the movable walking beam 3 are processed into dovetail groove 25 structures and are matched with the assembly shapes of the fixed beam base 24 and the movable walking beam base 23, so that the quick replacement of the working parts of the fixed beam 15 and the movable walking beam 3 after normal failure is realized and the positioning requirements of different sizes of glass bottles during annealing are matched.
By adopting the energy-saving and consumption-reducing annealing method for the tubular glass bottles and reasonably taking the values according to the parameters defined by the claims, the annealing treatment of the conventional medicinal tubular glass bottles is carried out, and the annealing furnace has obvious beneficial effects compared with the traditional mesh belt type electric heating annealing furnace. Through preliminary calculation, about 30 degrees of electricity is needed for every ten thousand of medicines in the traditional mesh-belt type electric heating annealing furnace, and the quantity is converted into about 3.69 kilograms of standard coal; the method and the optimized process parameters thereof need 1.80 cubic meters of natural gas, the energy saving rate is about 40.1 percent in comparison with about 2.21 kilograms of standard coal, and the method can save about 74 tons of standard coal in a year by calculating 5 hundred million glass bottles for annual production, thereby having obvious effects of saving energy and reducing consumption.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. The annealing method of the tube glass bottle capable of saving energy and reducing consumption is realized by an annealing furnace chamber, a heat circulation system, two rows of fixed beams arranged in parallel and one row of movable walking beams matched with the fixed beams; the annealing furnace chamber is arranged into a preheating zone, a heating and heat-preserving zone and a slow cooling zone from an inlet to an outlet in a functional sequence, the top of a furnace body of the preheating zone is an inclined plane with a low outer part and a high inner part, the top of an inlet side is provided with an exhaust gas exhaust fan, the top of the tail end of the preheating zone close to the heating and heat-preserving zone is provided with a hot exhaust gas outlet, the top of the slow cooling zone is separated from a heat circulation system by using a heat-resistant steel plate, the top of the starting end of the slow cooling zone is provided with a hot exhaust gas slow cooling zone outlet communicated with a combustion chamber, the side of the outlet is provided with a hot exhaust gas inlet along the feeding direction, the combustion chambers are arranged above the heating and heat-preserving zone and below the heat circulation system, and the top of one side of the combustion chamber close to the preheating zone is provided with a combustion air outlet communicated with the heat circulation system; the heat circulation system is arranged at the upper part of a working area of the annealing furnace, the side wall and the top part of the heat circulation system are both coated with heat insulation materials, a hot waste gas outlet is formed in the top part of the tail end of a preheating area of the annealing furnace, a hot waste gas inlet is formed in the initial end of a slow cooling area, a combustion-supporting air inlet is formed in one end of the heat circulation system at the upper part of the hot waste gas inlet and a combustion-supporting air outlet is formed in the top part of a combustion chamber below the hot waste gas outlet, hot waste gas and combustion-supporting air respectively flow along independent interlayer channels in the heat circulation system, the heat circulation system is internally provided with a through interlayer structure, and combustion-supporting air led in from the outside through a combustion-supporting fan and oxygen-deficient hot waste gas extracted from the working area flow along the independent interlayer channels which are alternately arranged and one end of which is sealed, exchange heat and participate in the heat circulation of the annealing furnace; the fixed beam and the movable walking beam are coated with heat insulating materials and are integrally positioned in a closed furnace chamber of the annealing furnace; the movable walking beams are arranged between the two parallel fixed beams, a certain gap is reserved between the movable walking beams, and V-shaped grooves with equal intervals are formed in the movable walking beams, the fixed walking beams and the movable walking beams; the movable walking beam is driven by a motor arranged at the lower part of the furnace body to do reciprocating motion of ascending, feeding, descending and returning within a step pitch; the method comprises the following steps:
1) The fixed beam receives the bottle: the glass bottle with the waste heat rolls from the outlet of the bottle making machine to the first V-shaped groove of the fixed beam through the blanking groove;
2) The glass bottles are sequentially fed on the fixed beam: starting the movable stepping beam, and realizing the successive feeding motion of the glass bottles from the first V-shaped groove of the fixed beam to each subsequent V-shaped groove through the reciprocating motion of ascending, feeding, descending and returning of the movable stepping beam;
3) Preheating a glass bottle: the movable walking beam transfers the glass bottle to a preheating zone of the annealing furnace, and the bottle body is preheated by hot waste gas blown from the tail end of the preheating zone and heat radiation of a heating and heat preservation zone;
4) Heating and heat preservation of the glass bottle: the movable walking beam transfers the glass bottles to a heating and heat-preserving area of the annealing furnace, and the glass bottles are gradually heated to the annealing temperature by radiant heat and are preserved for a pre-designed travel time for annealing;
5) Cooling the glass bottle: the movable walking beam transfers the glass bottle to the slow cooling area, the temperature of the bottle body is gradually reduced by means of a heat dissipation interlayer of the heat circulation system, and the glass bottle enters the bottle collector from the inclined plane of the last station of the fixed beam, and finally the whole annealing process is finished.
2. The method for annealing energy-saving and consumption-reducing tubular glass bottles according to claim 1, characterized in that: and (2) sequentially feeding the glass bottles on the fixed beam one by means of four action cycles of the movable walking beam in a moving step: (1) the movable walking beam starts and rises: the movable walking beam is initially static at a bottom dead center position below the fixed beam, and starts to slowly and stably rise after being started, so that the glass bottle positioned at the first station is lifted to leave the V-shaped groove of the fixed beam and is limited in the V-shaped groove corresponding to the movable walking beam; (2) feeding a movable walking beam: after the movable walking beam rises to the top dead center, the glass bottle is lifted and fed in the horizontal direction to move by one step to the top dead center position on the left side, and meanwhile, the next glass bottle enters the first station of the fixed beam; (3) descending of the movable walking beam: the movable walking beam descends from the top dead center position on the left side to the bottom dead center position below the fixed beam, when the movable walking beam descends and penetrates through the fixed beam, the glass bottle is received by the V-shaped groove on the second station of the fixed beam, and horizontal displacement of the glass bottle on the fixed beam by one step is realized; (4) and (3) moving the walking beam back: the movable walking beam is horizontally translated from the left bottom dead center position back to the right bottom dead center position ready to begin operation (1).
3. The method for annealing energy-saving and consumption-reducing tubular glass bottles according to claim 1, characterized in that: and (3) uniformly raising the temperature in the preheating zone from 100 ℃ to 550 ℃ along the feeding direction, arranging 5-10V-shaped grooves in the preheating zone according to the temperature raising requirement, and blowing hot waste gas from the tail end of the preheating zone at the temperature of 300-400 ℃.
4. The method for annealing energy-saving and consumption-reducing tubular glass bottles according to claim 1, characterized in that: and (4) arranging 6-12V-shaped grooves in the heating and heat preservation area, simultaneously arranging a temperature measurement system, feeding back the temperature data of the heating and heat preservation area to the control computer in real time, and adjusting the combustion intensity of a flame nozzle in the combustion chamber in real time through the temperature control system to ensure that the temperature of the heating and heat preservation area is stabilized at 600-700 ℃.
5. The method for annealing energy-saving and consumption-reducing tubular glass bottles according to claim 1, characterized in that: and (5) uniformly reducing the temperature of the slow cooling area from 600 ℃ to 100 ℃ along the feeding direction, arranging 8-15V-shaped grooves in the slow cooling area according to the requirement of temperature reduction time, and controlling the temperature of hot waste gas extracted from the beginning end of the slow cooling area to be 500-600 ℃.
6. The method for annealing energy-saving and consumption-reducing tubular glass bottles according to claim 1, wherein the annealing step comprises the following steps: the side wall and the top of the heating and heat preservation area are coated by heat preservation materials, the bottom of the heating and heat preservation area is a silicon carbide flame isolating plate, and 3-9 flame nozzles are uniformly distributed on the side wall of the combustion chamber to directly heat the silicon carbide plate.
7. The method for annealing energy-saving and consumption-reducing tubular glass bottles according to claim 1, wherein the annealing step comprises the following steps: the length of the slow cooling area is larger than that of the heating and heat preservation area.
8. The method for annealing energy-saving and consumption-reducing tubular glass bottles according to claim 1, wherein the annealing step comprises the following steps: the interlayer channel of the heat circulation system is formed by separating pure copper sheets.
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| CN107459252A (en) * | 2017-07-12 | 2017-12-12 | 长兴华众玻璃有限公司 | A kind of stress annealing method of vial and the stress annealing system of vial |
| CN109502960B (en) * | 2019-01-22 | 2024-04-02 | 安徽凤阳亚欧玻璃工艺品有限公司 | High boron glass tea set stress relief equipment |
| CN112414122A (en) * | 2020-09-30 | 2021-02-26 | 江苏联峰能源装备有限公司 | Heating process for improving heating capacity of large-rod walking beam type furnace |
| CN112960897A (en) * | 2021-03-01 | 2021-06-15 | 金玛瑙香水（明光）有限公司 | Method for removing stress of thick-bottom glass bottle |
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| CN201433165Y (en) * | 2009-06-22 | 2010-03-31 | 浙江新康药用玻璃有限公司 | Glass bottle annealing furnace |
| CN101948237A (en) * | 2010-05-24 | 2011-01-19 | 福耀玻璃(湖北)有限公司 | Continuous baking and bending formation furnace and continuous baking and bending formation process for front windshield of bus |
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