CN112679072A - Energy-saving environment-friendly thick plate glass float production process - Google Patents
Energy-saving environment-friendly thick plate glass float production process Download PDFInfo
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- CN112679072A CN112679072A CN202011621239.2A CN202011621239A CN112679072A CN 112679072 A CN112679072 A CN 112679072A CN 202011621239 A CN202011621239 A CN 202011621239A CN 112679072 A CN112679072 A CN 112679072A
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- 239000011521 glass Substances 0.000 claims abstract description 67
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Abstract
The invention discloses an energy-saving environment-friendly thick plate glass float production system, wherein a storage bin is connected with two first bucket elevators, one first bucket elevator is provided with a first bin, the other first bucket elevator is provided with a second bin, the lower parts of the first bin and the second bin are both provided with discharge pipes, and the discharge pipes are provided with first control valves; the second bin is connected with a second bucket elevator, and a treatment box is arranged at the second bucket elevator; handle case one end and open and have the feed inlet, handle the incasement and set up two vertical baffles, the baffle will be handled the case and divide into dust removal chamber, dry chamber, broken chamber, and it has the circulation slotted hole to open on the vertical baffle. Silica sand, aluminum hydroxide, dolomite, limestone, soda ash, mirabilite and coal powder are used as raw materials, and a proper production process is selected, so that the preparation of glass is facilitated.
Description
Technical Field
The invention relates to the technical field of glass production, in particular to an energy-saving and environment-friendly float production process for thick plate glass.
Background
According to the statistics of the glass society of China, the total amount of 298 glass production lines in the national float glass production line is up to 2019, 12 and 31 days, and the daily melting amount is 160185 tons in 241 glass production lines. At present, China becomes the first world for manufacturing glass, and products produced by China are sold to the world and account for more than 50% of the global glass market share. But the glass manufacturing industry in China has weak whole innovation capability, high energy consumption and large resource consumption in the manufacturing process, and has a great gap compared with the advanced level in foreign countries.
The existing glass kiln has various heat preservation modes, but the heat preservation is usually carried out by coating heat preservation paint on the outer surface of a heat preservation brick, the kiln bottom of the kiln has no steps, the convection of glass is not strong, the whole heat dissipation capacity of the kiln is large, and the energy consumption of the kiln is high; the temperature of flue gas entering the boiler is lower, the generated energy is only enough for the running power of self equipment, and the willingness of enterprises to go to waste heat power generation is not large. Therefore, the convection of the molten glass is enhanced, the heat preservation of the kiln body is enhanced, and the method is imperative for glass enterprises.
Therefore, the energy-saving and environment-friendly production process of the thick plate glass by the float method is convenient for the production of glass.
Disclosure of Invention
The invention aims to provide an energy-saving and environment-friendly float production process for thick plate glass, which solves the problem that raw materials are difficult to prepare during glass production.
In order to solve the technical problems, the invention adopts the following technical scheme:
an energy-saving environment-friendly thick plate glass float production system comprises: the device comprises a storage bin, a first bin, a second bin and a treatment box;
the storage bin is connected with two first bucket elevators, a first bin is arranged at one first bucket elevator, a second bin is arranged at the other first bucket elevator, discharge pipes are arranged at the lower parts of the first bin and the second bin, and a first control valve is arranged on each discharge pipe;
the second bin is connected with a second bucket elevator, and a treatment box is arranged at the second bucket elevator; a feed inlet is formed in one end of the treatment box, two vertical partition plates are arranged in the treatment box, the treatment box is divided into a dust removal cavity, a drying cavity and a crushing cavity by the partition plates, and a circulation groove hole is formed in each vertical partition plate;
a conveying belt is arranged in the dust removing cavity, two ends of the conveying belt are respectively arranged at a feed inlet of the treatment box and a circulating slot of the partition plate, a water spraying pipe is arranged at the top of the dust removing cavity, and atomizing nozzles are uniformly arranged on the water spraying pipe;
the drying chamber is internally provided with an inclined vibrating screen, the vibrating screen is connected with a vibrating motor, the side wall of the drying chamber is provided with an air injection pipe, the air injection pipe is evenly provided with air holes, the air injection pipe is connected with an air inlet pipe, the air inlet pipe is provided with an air pump, the end part of the air inlet pipe is provided with two layers of filter cloth, and drying agents are filled between the air inlet pipes.
Further, the method comprises the following steps of; a rotating shaft is arranged in the crushing cavity and connected with a rotating motor, and a crushing roller is arranged on the rotating shaft;
the lower part of the treatment box at the crushing cavity is connected with an output pipe, and a second control valve is arranged on the output pipe.
Further, the method comprises the following steps of; a driving shaft is arranged in the storage bin, a stirring paddle is arranged on the driving shaft, and the driving shaft is connected with a driving motor;
the lower part of the storage bin is connected with a feeding pipe, and a third control valve is arranged on the feeding pipe;
the lower part of the storage bin is provided with a third bucket elevator, and one end of the third bucket elevator is arranged on the melting kiln.
Further, the method comprises the following steps of; one side of the melting kiln is connected with a small furnace, the other sides of the small furnace and the melting kiln are connected with a regenerative chamber, and the regenerative chamber is connected with a flue;
one end of the melting kiln is provided with a bubbler, and the other end of the melting kiln is provided with four stepped table boards.
Further, the method comprises the following steps of; dust removal chamber, dry chamber bottom all with drain pipe connection, the drain pipe is connected with the rose box, sets up filter plate in the rose box, and the rose box is connected with the inlet tube, and inlet tube end-to-end connection has a three-way valve, and the inlet tube passes through the three-way valve and mends water pipe, adds the union coupling, all is provided with the water pump on mended water pipe and spray pipe connecting drain pipe and the inlet tube.
Further, the method comprises the following steps of; the filter box is connected with a liquid discharge pipe, and a fourth control valve is arranged on the liquid discharge pipe.
Further, the method comprises the following steps of; the raw materials comprise, by mass; 380 portions of silica sand, 410 portions of aluminum hydroxide, 4 to 10 portions of dolomite, 80 to 100 portions of dolomite, 20 to 35 portions of limestone, 100 portions of soda, 4 to 6 portions of mirabilite and 0.1 to 0.4 portion of coal powder.
Further, the method comprises the following steps of; the preparation method comprises the following steps:
s1: removing impurities: removing impurities from raw materials, removing iron by using a permanent magnet electric iron remover, and inspecting the raw materials in four aspects of chemical composition, moisture, granularity and mixing uniformity;
s2: pretreatment: the glass which cannot be utilized in production enters through a feeding hole of the treatment box, the glass is transported through the conveyor belt, the atomizing nozzles connected with the water spraying pipes spray water during transportation, the glass enters the vibrating net to move, the gas entering the air inlet pipe and dried is discharged through the air holes of the air spraying pipes, the glass enters the crushing cavity again, and the crushing roller crushes the glass;
s3: mixing raw materials: the raw material in the S1 and the glass pretreated in the S2 enter a storage bin, a stirring paddle in the storage bin is used for mixing, the mixture enters the melting kiln through a third bucket elevator, and the lower part of the third bucket elevator is connected with a material distribution device;
s4: preparing glass: the melting kiln is heated through a small furnace and a regenerative chamber, raw materials and glass in the melting kiln are melted, a bubbler bubbles the glass, one side of the melting kiln is provided with four stepped table tops, the backflow of glass liquid in a batch region is strengthened, and the melting of batch is promoted; the shallower depth of the clarifying zone and the cooling part pool can reduce the backflow of the molten glass; the glass solution melted in the melting kiln enters a tin bath, is flattened in a natural state on the surface of the tin liquor, forms a softened glass belt with width and thickness meeting the requirements by the glass solution attached to the surface of the tin liquor under the matching of an edge roller and an edge retainer, and is transferred to a traditional system of a float glass annealing kiln for annealing through a transition roller table; and finally, under the action of a conveying system, conveying the annealed glass belt to a cold end, cutting the annealed glass belt by a slitter, and then entering a main line falling plate system.
Compared with the prior art, the invention has at least one of the following beneficial effects:
1. reasonable raw materials are selected, the product quality which is convenient to prepare is high, the requirement is met, and the energy-saving and environment-friendly mode is adopted in the preparation process, so that the product quality is favorably improved.
2. The production process of proper raw materials is selected, so that the raw materials are saved, the preparation process is simple, and the operation is convenient.
3. The melting zone adopts a deep pool structure, the bottom of the melting furnace adopts a step structure, the melting pool is 1400mm deep, the clarifying zone is provided with a plurality of steps, the last step is 100mm higher than 1m of the center line of the small furnace, the total of four steps are provided, and the pool depth of the cooling part is 1000 mm; the glass liquid backflow in the batch area is strengthened, and the batch melting is promoted; the shallower clarification zone and the cooling part pool can reduce the backflow of the molten glass, reduce the repeated heating of the molten glass, save energy and reduce consumption.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a side view of the treatment tank of the present invention.
FIG. 3 is a top view of a treatment tank according to the present invention.
FIG. 4 is a schematic view of the connection of the storage bin of the present invention.
Fig. 5 is a schematic view showing the connection of the filter tank of the present invention.
FIG. 6 is a top view of the melting kiln of the present invention.
Fig. 7 is a top view of a mesa in the present invention.
In the figure: storage silo (1), first bucket elevator (2), first feed bin (3), discharge pipe (4), first control valve (5), second feed bin (6), second bucket elevator (7), treatment box (8), baffle (9), dust removal chamber (10), drying chamber (11), crushing chamber (12), conveyer belt (13), spray pipe (14), atomizer (15), vibrating screen (16), vibrating motor (17), jet-propelled pipe (18), intake pipe (19), air pump (20), filter cloth (21), pivot (22), rotating electrical machines (23), crushing roller (24), output tube (25), second control valve (26), drive axle (27), stirring rake (28), driving motor (29), inlet pipe (30), third control valve (31), third bucket elevator (32), melting kiln (33), small stove (34), The device comprises a regenerative chamber (35), a table top (36), a drain pipe (37), a filter box (38), a filter screen plate (39), a water inlet pipe (40), a three-way valve (41), an adding pipe (42), a water pump (43), a liquid discharge pipe (44), a fourth control valve (45), a water replenishing pipe (46) and a bubbler (47).
Detailed Description
Fig. 1 to 7 illustrate the present invention, so that the objects, technical solutions and advantages of the present invention can be more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
an energy-saving environment-friendly thick plate glass float production system comprises: the device comprises a storage bin 1, a first bin 3, a second bin 6 and a treatment box 8;
the storage bin 1 is connected with two first bucket elevators 2, a first bin 3 is arranged at one first bucket elevator 2, a second bin 6 is arranged at the other first bucket elevator 2, discharge pipes 4 are arranged at the lower parts of the first bin 3 and the second bin 6, and a first control valve 5 is arranged on the discharge pipes 4;
the second bin 6 is connected with a second bucket elevator 7, and a treatment box 8 is arranged at the second bucket elevator 7; a feed inlet is formed in one end of the treatment box 8, two vertical partition plates 9 are arranged in the treatment box 8, the treatment box 8 is divided into a dust removal cavity 10, a drying cavity 11 and a crushing cavity 12 by the partition plates 9, and a flow slot hole is formed in each vertical partition plate 9;
a conveying belt 13 is arranged in the dust removing cavity 10, two ends of the conveying belt 13 are respectively arranged at a feed port of the treatment box 8 and a circulating slot of the partition plate 9, a water spraying pipe 14 is arranged at the top of the dust removing cavity 10, and atomizing nozzles 15 are uniformly arranged on the water spraying pipe 14;
an inclined vibrating screen 16 is arranged in the drying cavity 11, the vibrating screen 16 is connected with a vibrating motor 17, an air injection pipe 18 is arranged on the side wall of the drying cavity 11, air holes are uniformly formed in the air injection pipe 18, the air injection pipe 18 is connected with an air inlet pipe 19, an air pump 20 is arranged on the air inlet pipe 19, two layers of filter cloth 21 are arranged at the end of the air inlet pipe 19, and a drying agent is filled between the air inlet pipes 19; the raw materials of first feed bin 3 enter into storage silo 1 through first bucket elevator 2 in, the broken glass of second feed bin 6 enters into storage silo 1 through first bucket elevator 2 in, handle 8 broken glass of case and enter into second feed bin 6 by second bucket elevator 7 in, handle the glass that production of case 8 can not utilize and get into dust removal chamber 10 by the feed inlet in, during the transportation of conveyer belt 13 in the dust removal chamber 10, the water that the spray pipe 14 got into is sprayed by atomizer 15, play the abluent effect of removing dust, the glass that dry chamber 11 got into moves on vibrating screen 16, the dry air that the spray pipe 18 got into, be convenient for carry out the drying to glass.
Example 2:
on the basis of embodiment 1, a rotating shaft 22 is arranged in the crushing cavity 12, the rotating shaft 22 is connected with a rotating motor 23, and a crushing roller 24 is arranged on the rotating shaft 22;
the lower part of the treatment box 8 at the crushing cavity 12 is connected with an output pipe 25, and the output pipe 25 is provided with a second control valve 26; the dried glass enters the crushing cavity 12, and the crushing roller 24 arranged in the crushing cavity 12 is used for crushing so as to be convenient for regenerating to produce the glass.
Example 3:
on the basis of the embodiment 1-2, a driving shaft 27 is arranged in the storage bin 1, a stirring paddle 28 is arranged on the driving shaft 27, and the driving shaft 27 is connected with a driving motor 29;
the lower part of the storage bin 1 is connected with a feeding pipe 30, and a third control valve 31 is arranged on the feeding pipe 30;
a third bucket elevator 32 is arranged at the lower part of the storage bin 1, and one end of the third bucket elevator 32 is arranged in the melting kiln 33; the materials in the storage bin 1 are mixed and stirred, so that the materials entering the melting kiln 33 are uniform in components.
Example 4:
on the basis of the embodiment 1-3, one side of the melting kiln 33 is connected with a small furnace 34, the other sides of the small furnace 34 and the melting kiln 33 are both connected with a regenerative chamber 35, and the regenerative chamber 35 is connected with a flue;
one end of the melting kiln 33 is provided with a bubbler 47, the other end of the melting kiln 33 is provided with four stepped table boards 33, the depth of the table board 33 at the lowest position is 1400mm, and the height of each table board 36 is 100 mm; in the glass melting process, convection heat transfer is not fully utilized, only radiation heat transfer is used, the heat efficiency is lower, energy is wasted seriously, in the glass production process, the kiln body conducts heat, the heat dissipation capacity is overlarge, the kiln body is not well sealed, cold air is mixed in, and the like, so that the energy consumption of glass production is serious, a melting belt with the disadvantage of waste heat utilization adopts a deep pool structure, the bottom of a melting furnace adopts a ladder structure, the depth of the melting pool is 1400mm, a clarifying belt is provided with a plurality of steps, the distance between the tail end and the 1m outside the central line of the small furnace is 100mm, the total of the four steps is four, and the pool depth of a; the glass liquid backflow in the batch area is strengthened, and the batch melting is promoted; the shallower clarification zone and the shallower cooling part tank can reduce the backflow of the molten glass, reduce the repeated heating of the molten glass, save energy and reduce consumption; the melting furnace 33 is heated by the small furnace 34 and the regenerator 35, and the molten metal is homogenized by the bubbler 47 in the melting furnace 33. The melting kiln 33 includes a crown, a melting portion breast wall, a clarifying portion breast wall, and a melting portion rear gable. Insulating the main arch; from inside to outside: 475mm silica brick, 5mm silica slurry, 40mm silica sealing material, 195mm light silica brick, 150mm ceramic fiber shuttlecock, 100mm fiber spray coating and 2mm steel plate. The melting part breast wall is insulated; from inside to outside: 320mm AZS brick, 25mm zirconium sealing material, 116mm mullite heat-insulating brick, 150mm ceramic fiber board and low-temperature heat-insulating coating. The breast wall of the clarification part is insulated; from inside to outside: 380mm silica brick, 116mm light silica, 150mm ceramic fiber board, 100mm fiber spray coating and low-temperature heat-insulating coating. The rear gable wall of the melting part is insulated; the refractory material of the melting part rear gable wall comprises the following components: 450mm silica brick, 150mm ceramic fiber board, 50mm low-temperature heat-insulating coating and low-temperature heat-insulating coating. The heat preservation of the regenerator comprises a main arch, a target wall (an upper wall) of the regenerator, a regenerator wall on a flat arch of the port, a regenerator wall at a port passage, and the middle part and the lower part of the regenerator. Insulating the main arch; from inside to outside: 400mm silica brick, 5mm siliceous mud, 40mm siliceous sealing material, 130mm lightweight silica brick, 150mm ceramic fiber blanket and 100mm fiber spray coating. The target wall (upper wall) of the regenerator is insulated; from inside to outside: 346mm of re-sintered capacitor mullite brick, 232mm of mullite heat-insulating brick, 150mm of ceramic fiber board, 100mm of fiber spray coating and heat-insulating coating surface. A heat storage chamber wall on the flat arch of the port and a heat storage chamber wall at the aisle of the port; 50mm + low-temperature heat-preservation coating plastering of ceramic fiber board + 100mm + low-temperature heat-preservation coating plastering of ceramic fiber board. The middle and lower parts of the regenerator are insulated; from inside to outside: 346mm clay brick, 232mm clay heat-insulating brick and 100mm fiber spray coating; the heat preservation scheme of the lower part of the heat storage chamber is that the fiber spray coating is 80 mm. The small furnace heat preservation comprises the following steps: a port side wall and a port arch. Insulating the side wall of the small furnace; from inside to outside: 200mmAZS fused brick, 6mm zirconium corundum sealing material, 75mm clay brick, 100mm fiberboard and low-temperature heat-insulating coating. Keeping the temperature of the arch of the port; from inside to outside: 250mm AZS fused brick, 20mm zirconia corundum sealing material, 130mm mullite heat-insulating brick, 50mm high-temperature heat-insulating coating, 100mm fiber blanket and 50mm low-temperature heat-insulating coating.
Example 5:
on the basis of the embodiments 1 to 4, the bottoms of the dedusting cavity 10 and the drying cavity 11 are both connected with a drain pipe 37, the drain pipe 37 is connected with a filter box 38, a filter screen plate 39 is arranged in the filter box 38, the filter box 38 is connected with a water inlet pipe 40, the tail end of the water inlet pipe 40 is connected with a three-way valve 41, the water inlet pipe 40 is connected with a water replenishing pipe 46 and an adding pipe 42 through the three-way valve 41, the water replenishing pipe 46 is connected with a water spraying pipe 14, and the drain pipe 37 and the water inlet pipe 40 are; the water in the dust removing cavity 10 and the drying cavity 11 enters the filter box 38 through the drain pipe 37 and is filtered through the filter screen plate 39, the filtered water is convenient to use again, and the water is convenient to supplement through the arrangement of the adding pipe 42.
Example 6:
in addition to the embodiments 1 to 5, the filter box 38 is connected with a drain pipe 44, and the drain pipe 44 is provided with a fourth control valve 45; facilitating the drainage of sewage and the like in the filter tank 38.
Example 7:
on the basis of the examples 1 to 6, the raw materials comprise, in parts by mass; 380 parts of silica sand, 4 parts of aluminum hydroxide, 80 parts of dolomite, 20 parts of limestone, 100 parts of soda ash, 4 parts of mirabilite and 0.1 part of coal powder; the selection of the glass raw materials is convenient for the preparation, and the quality of the prepared product is good.
Example 8:
on the basis of examples 1 to 7, the raw materials comprise, in parts by mass; 410 parts of silica sand, 10 parts of aluminum hydroxide, 100 parts of dolomite, 35 parts of limestone, 130 parts of soda ash, 6 parts of mirabilite and 0.4 part of coal powder; the selection of the glass raw materials is convenient for preparation, and the quality of the prepared product is good.
Example 9:
on the basis of the examples 1 to 8, the raw materials comprise, in parts by mass; 395 parts of silica sand, 7 parts of aluminum hydroxide, 90 parts of dolomite, 27.5 parts of limestone, 115 parts of soda ash, 5 parts of mirabilite and 0.25 part of coal powder; the selection of the glass raw materials is convenient for preparation, and the quality of the prepared product is good.
Example 10:
on the basis of examples 1 to 9, the preparation method comprises the following steps:
s1: removing impurities: removing impurities from raw materials, removing iron by using a permanent magnet electric iron remover, and inspecting the raw materials in four aspects of chemical composition, moisture, granularity and mixing uniformity;
s2: pretreatment: the glass which cannot be utilized in production enters through a feeding hole of the processing box 8, the glass is transported through the conveyor belt 13, the atomizing spray head 15 connected with the water spray pipe 14 sprays water during transportation, the glass enters the vibrating screen 16 again to move, the gas entering the drying through the gas inlet pipe 19 is discharged through the gas hole of the gas spray pipe 18 again, the glass enters the crushing cavity 12 again, and the crushing roller 24 crushes the glass;
s3: mixing raw materials: the raw material in the S1 and the glass pretreated in the S2 enter a storage bin 1, a stirring paddle 28 in the storage bin 1 is mixed, the mixture enters a melting furnace through a third bucket elevator, and the lower part of the third bucket elevator is connected with a material distribution device;
s4: preparing glass: the melting kiln 33 is heated through the small furnace 34 and the regenerative chamber 35, raw materials and glass in the melting kiln 33 are melted, the bubbler 47 carries out bubbling, four stepped table surfaces 33 are arranged on one side of the melting kiln 33, glass liquid backflow in a batch region is strengthened, and batch melting is promoted; the shallower depth of the clarifying zone and the cooling part pool can reduce the backflow of the molten glass; the glass solution melted in the melting kiln 33 enters a tin bath, is flattened in a natural state on the surface of the tin liquor, forms a softened glass belt with width and thickness meeting the requirements by the glass solution attached to the surface of the tin liquor under the matching of an edge roller and an edge retainer, and is transferred to a traditional system of a float glass annealing kiln for annealing through a transition roller table; finally, under the action of the conveying system, the annealed glass strip is conveyed to a cold end to be cut by a slitter and then enters a main machineA wire-drop system; removing impurities from raw materials, testing chemical components, water content, granularity and mixing uniformity of raw materials by conductivity method, and using sodium carbonate Na2 -CO3Sodium sulfate Na2 +SO4The method comprises the following steps of ionizing in an aqueous solution, conducting under the action of a certain electric field, detecting the uniformity of distribution of conductive particles in a batch according to the change of conductivity (conductivity is measured by conducting in an ionic form state), and generally taking 6 samples and using a mean square error formula:
if the calculated result exceeds 0.4, the uniformity is unqualified.
The method for measuring the alkali content and the mean square error by using the conductivity does not need manual grinding, boiling, titration, an indicator and the like, the conductivity is simple and convenient to operate in actual production, time is saved, the accuracy is high, the requirement on data searching in the early stage is accurate, the data searching is carried out later, the alkali content and the mean square error can be quickly detected when the data is applied to the actual production, the mixing uniformity of the batch materials is very important for melting operation, and the quality of the batch materials is evaluated according to the accuracy of the chemical composition of the batch materials and the mixing uniformity. The produced glass is crushed and added after being subjected to dust removal and cleaning when being reused, the feeding mode is changed by the arrangement of the material distribution device, the material distribution device is added to the batch feeder, longitudinal ridge forming of batch materials is realized, the heating area of the batch materials is increased, heat exchange is increased, the heat efficiency is improved, the material layer distribution is adjusted, the material ridge thickness at the edge part is increased, the middle material ridge thickness is reduced, the middle temperature in the kiln is increased, the glass liquid flow is increased, and the heat exchange efficiency of the glass liquid and the batch materials is improved; carry out the melting in melting kiln 33, the setting of ladder kiln in melting kiln 33 is convenient for energy-conservingly also can carry out the melting effect, and the meltwater reentries the molten tin bath, and the protective gas adopts nitrogen gas or hydrogen as the protective gas, and reentrant annealing kiln cools down, carries out the detection of quality after the cooling, is carrying out subsequent operation.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (8)
1. An energy-saving environment-friendly thick plate glass float production system is characterized in that: the method comprises the following steps: the device comprises a storage bin (1), a first bin (3), a second bin (6) and a treatment box (8);
the storage bin (1) is connected with two first bucket elevators (2), a first bin (3) is arranged at one first bucket elevator (2), a second bin (6) is arranged at the other first bucket elevator (2), discharge pipes (4) are arranged at the lower parts of the first bin (3) and the second bin (6), and first control valves (5) are arranged on the discharge pipes (4);
the second bin (6) is connected with a second bucket elevator (7), and a treatment box (8) is arranged at the second bucket elevator (7); a feed inlet is formed in one end of the treatment box (8), two vertical partition plates (9) are arranged in the treatment box (8), the treatment box (8) is divided into a dust removal cavity (10), a drying cavity (11) and a crushing cavity (12) by the partition plates (9), and a circulation slotted hole is formed in each vertical partition plate (9);
a conveying belt (13) is arranged in the dust removing cavity (10), two ends of the conveying belt (13) are respectively arranged at a feed inlet of the treatment box (8) and a circulating slot of the partition plate (9), a water spraying pipe (14) is arranged at the top of the dust removing cavity (10), and atomizing nozzles (15) are uniformly arranged on the water spraying pipe (14);
the drying device is characterized in that an inclined vibrating screen (16) is arranged in the drying cavity (11), the vibrating screen (16) is connected with a vibrating motor (17), an air injection pipe (18) is arranged on the side wall of the drying cavity (11), air holes are uniformly formed in the air injection pipe (18), the air injection pipe (18) is connected with an air inlet pipe (19), an air pump (20) is arranged on the air inlet pipe (19), two layers of filter cloth (21) are arranged at the end of the air inlet pipe (19), and drying agents are filled between the air inlet pipe (19).
2. The energy-saving and environment-friendly thick plate glass float production system according to claim 1, characterized in that: a rotating shaft (22) is arranged in the crushing cavity (12), the rotating shaft (22) is connected with a rotating motor (23), and a crushing roller (24) is arranged on the rotating shaft (22);
the lower part of the treatment box (8) at the crushing cavity (12) is connected with an output pipe (25), and a second control valve (26) is arranged on the output pipe (25).
3. The energy-saving and environment-friendly thick plate glass float production system according to claim 1, characterized in that: a driving shaft (27) is arranged in the storage bin (1), a stirring paddle (28) is arranged on the driving shaft (27), and the driving shaft (27) is connected with a driving motor (29);
the lower part of the storage bin (1) is connected with a feeding pipe (30), and the feeding pipe (30) is provided with a third control valve (31);
a third bucket elevator (32) is arranged at the lower part of the storage bin (1), and one end of the third bucket elevator (32) is arranged on the melting kiln (33).
4. The energy-saving and environment-friendly thick plate glass float production system according to claim 3, wherein: one side of the melting kiln (33) is connected with a small furnace (34), the other sides of the small furnace (34) and the melting kiln (33) are connected with a regenerative chamber (35), and the regenerative chamber (35) is connected with a flue;
one end of the melting kiln (33) is provided with a bubbler (47), and the other end of the melting kiln (33) is provided with four stepped table boards (33).
5. The energy-saving and environment-friendly thick plate glass float production system according to claim 1, characterized in that: the dust removal cavity (10), dry chamber (11) bottom all are connected with drain pipe (37), drain pipe (37) are connected with rose box (38), set up filter plate (39) in rose box (38), rose box (38) are connected with inlet tube (40), inlet tube (40) end-to-end connection has three-way valve (41), inlet tube (40) are connected with moisturizing pipe (46), add pipe (42) through three-way valve (41), moisturizing pipe (46) are connected with spray pipe (14), all be provided with water pump (43) on drain pipe (37) and the inlet tube (40).
6. The energy-saving and environment-friendly thick plate glass float production system according to claim 5, wherein: the filter box (38) is connected with a liquid discharge pipe (44), and a fourth control valve (45) is arranged on the liquid discharge pipe (44).
7. The energy-saving and environment-friendly thick plate glass float production process of claims 1-6 is characterized in that: the raw materials comprise, by mass; 380 portions of silica sand, 410 portions of aluminum hydroxide, 4 to 10 portions of dolomite, 80 to 100 portions of dolomite, 20 to 35 portions of limestone, 100 portions of soda, 4 to 6 portions of mirabilite and 0.1 to 0.4 portion of coal powder.
8. The float production process of energy-saving and environment-friendly thick plate glass as claimed in claim 7, which is characterized in that: the preparation method comprises the following steps:
s1: removing impurities: removing impurities from raw materials, removing iron by using a permanent magnet electric iron remover, and inspecting the raw materials in four aspects of chemical composition, moisture, granularity and mixing uniformity;
s2: pretreatment: the glass which cannot be utilized in production enters through a feeding hole of a processing box (8), the glass is transported through a conveyor belt (13), during transportation, an atomizing nozzle (15) connected with a water spraying pipe (14) sprays water, the glass enters a vibrating screen (16) to move, air entering a gas inlet pipe (19) is dried, then the dried gas is discharged through a gas hole of a gas spraying pipe (18), the glass enters a crushing cavity (12), and a crushing roller (24) crushes the glass;
s3: mixing raw materials: the raw material in the S1 and the glass pretreated in the S2 enter a storage bin (1), a stirring paddle (28) in the storage bin (1) is mixed, and the mixture enters a melting kiln (33);
s4: preparing glass: the melting kiln (33) is heated through the small furnace (34) and the heat storage chamber (35), raw materials and glass in the melting kiln (33) are melted, the bubbler (47) is used for bubbling, four stepped table tops (33) are arranged on one side of the melting kiln (33), the backflow of glass liquid in a batch region is strengthened, and the melting of batch is promoted; the shallower depth of the clarifying zone and the cooling part pool can reduce the backflow of the molten glass; the glass solution melted by the melting kiln (33) enters a tin bath, is flattened in a natural state on the surface of the tin solution, forms a softened glass belt with width and thickness meeting the requirements by the cooperation of an edge roller and an edge retainer, and is transferred to a traditional system of a float glass annealing kiln for annealing through a transition roller table; and finally, under the action of a conveying system, conveying the annealed glass belt to a cold end, cutting the annealed glass belt by a slitter, and then entering a main line falling plate system.
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Application publication date: 20210420 |