Clean production vertical glass melting furnace based on electric energy
Technical Field
The utility model relates to a cleaner production technical field, concretely relates to is a vertical glass smelting pot of cleaner production based on electric energy.
Background
Glass melting furnace, which refers to a thermal device used for melting glass batch in glass manufacturing. The powder material distributed according to the glass composition and the added clinker cullet are melted at high temperature in a kiln, clarified and formed into molten glass meeting the molding requirement.
The conventional glass melting furnace mostly uses coal, heavy oil, coal gas or natural gas as fuel, and a large amount of industrial waste gas and other pollutants are produced during production, so that the environment pollution is easily caused, and the glass melting furnace is not suitable for clean production.
SUMMERY OF THE UTILITY MODEL
The utility model discloses be fuel to current glass smelting pot is more through coal, heavy oil, coal gas or natural gas, can produce a large amount of industrial waste gas and other pollutants and easily lead to environmental pollution when carrying out production, unsuitable cleaner production's problem provides a vertical glass smelting pot of cleaner production based on the electric energy.
The technical scheme is that the vertical glass melting furnace based on the clean production of the electric energy comprises an electric melting furnace body, wherein the electric melting furnace body comprises an upper sealing cover and a lower fixing frame, the upper sealing cover is covered above an opening of the lower fixing frame, a melting cavity and a clarification cavity are arranged in the lower fixing frame, a fireproof heat-preservation filler is filled in the lower fixing frame, the melting cavity is positioned above the clarification cavity, a liquid outlet at the bottom of the melting cavity is communicated with a liquid inlet at the bottom of the clarification cavity through a connecting pipe, the top of the melting cavity is respectively communicated with one end of a glass material liquid inlet channel, one end of a batch material liquid inlet channel and one end of a first exhaust pipe, the two sides of the melting cavity are connected with a third electrode group and a fourth electrode group, the liquid outlet at the bottom of the clarification cavity is communicated with a liquid outlet pipe penetrating through the side wall of the lower fixing frame, an exhaust, the other end of the glass material liquid inlet channel, the other end of the batch liquid inlet channel and the other end of the first exhaust pipe penetrate through the upper sealing cover.
Furthermore, the first electrode group is positioned above the second electrode group, the polarity of the first electrode group and the second electrode group on the same side of the clarification cavity is opposite, and the polarity of the fourth electrode group is positioned above the third electrode group, and the polarity of the fourth electrode group and the third electrode group on the same side of the melting cavity is opposite.
Optionally, the upper surface of the upper sealing cover is provided with a stirring motor, the power output end of the stirring motor is connected with one end of a rotating shaft inserted into the melting cavity, and the other end of the rotating shaft is provided with a rotary vane.
Optionally, the rotary vane is located below the fourth electrode set and close to the plane where the third electrode set is located.
Furthermore, a first electromagnetic valve is arranged on the connecting pipe, and a second electromagnetic valve is arranged on the liquid discharge pipe.
Optionally, a second heating elbow is further arranged in the lower fixing frame, the second heating elbow is of a U-shaped structure, two ends of the second heating elbow are located on the same side of the lower fixing frame, and the connecting pipe penetrates through the U-shaped structure.
Optionally, a first heating elbow is arranged between the melting chamber and the clarifying chamber, and the first heating elbow is of an "S" shaped structure.
Optionally, a part of the periphery of the glass material liquid inlet channel and the batch material liquid inlet channel above the upper sealing cover is provided with a fireproof protective sleeve.
The utility model has the advantages that at least one of the following advantages is included;
1. the glass is in a high-temperature state when being conveyed to the melting cavity from the conveying mechanism, is an electric conductor, and the discharge amount of industrial waste gas is greatly reduced compared with the prior art that coal, heavy oil, coal gas or natural gas is used as fuel by arranging an electric energy supply structure consisting of a first electrode group, a second electrode group, a third electrode group and a fourth electrode group.
2. The lower fixing frame is filled with the fireproof heat-insulating filler, so that the heat dissipation rate in the whole electric smelting furnace can be effectively reduced, and the overall energy consumption is reduced.
3. The glass melting furnace solves the problems that the existing glass melting furnace mostly uses coal, heavy oil, coal gas or natural gas as fuel, can generate a large amount of industrial waste gas and other pollutants during production, easily causes environmental pollution, and is not suitable for clean production.
Drawings
FIG. 1 is a schematic view of a vertical glass melting furnace for clean production based on electrical energy;
FIG. 2 is a schematic side view of a vertical glass melting furnace for clean production based on electrical energy;
FIG. 3 is a schematic top view of a vertical glass melting furnace for clean production based on electrical energy;
FIG. 4 is an enlarged view of the area A in FIG. 1;
labeled as: 1 is an upper sealing cover, 2 is a lower fixing frame, 3 is a melting cavity, 4 is a clarifying cavity, 5 is a fireproof heat-preservation filler, 6 is a stirring motor, 7 is a rotating shaft, 8 is a batch liquid inlet channel, 9 is a glass material liquid inlet channel, 10 is a fireproof protective sleeve, 11 is a pipe plug, 12 is a first exhaust pipe, 13 is a connecting pipe, 14 is a rotary vane, 15 is a first heating bent pipe, 16 is a second heating bent pipe, 17 is a first electromagnetic valve, 18 is a first electrode group, 19 is a second electrode group, 20 is a second electromagnetic valve, 21 is a liquid discharge pipe, 22 is a second exhaust pipe, 24 is a third electrode group, 25 is a fourth electrode group, 26 is glass liquid, 27 is a matching liquid, 28 is a ventilation port, and 29 is a thread structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention 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 scope of the invention.
As shown in fig. 1 to 3, the vertical glass melting furnace for clean production based on electric energy comprises an electric melting furnace body, wherein the electric melting furnace body comprises an upper sealing cover 1 and a lower fixing frame 2, the upper sealing cover 1 covers the opening of the lower fixing frame 2, a melting cavity 3 and a clarifying cavity 4 are arranged in the lower fixing frame 2, and a fireproof heat-insulating filler 5 is filled in the lower fixing frame 2. The melting cavity 3 is positioned above the clarifying cavity 4, a liquid outlet at the bottom of the melting cavity 3 is communicated with a liquid inlet at the bottom of the clarifying cavity 4 through a connecting pipe 13, the top of the melting cavity 3 is respectively communicated with one end of a glass material liquid inlet channel 9, one end of a batch liquid inlet channel 8 and one end of a first exhaust pipe 12, and both sides of the melting cavity 3 are connected with a third electrode group 24 and a fourth electrode group 25. A liquid outlet at the bottom of the clarification cavity 4 is communicated with a liquid outlet pipe 21 penetrating through the side wall of the lower fixed frame 2, an air outlet at the upper part of the clarification cavity 4 is communicated with a second air outlet pipe 22 penetrating through the side wall of the lower fixed frame 2, and a first electrode group 18 and a second electrode group 19 are connected at two sides of the clarification cavity 4. The other end of the glass material liquid inlet channel 9, the other end of the batch liquid inlet channel 8 and the other end of the first exhaust pipe 12 penetrate through the upper sealing cover 1.
When in use, the glass is in a high-temperature state when being conveyed to the melting cavity from the conveying mechanism, and is an electric conductor, and the discharge amount of industrial waste gas is greatly reduced compared with the prior art that the glass is used as fuel by arranging an electric energy supply structure consisting of the first electrode group, the second electrode group, the third electrode group and the fourth electrode group. The lower fixing frame is filled with the fireproof heat-insulating filler, so that the heat dissipation rate in the whole electric smelting furnace can be effectively reduced, and the overall energy consumption is reduced. The glass melting furnace solves the problems that the existing glass melting furnace mostly uses coal, heavy oil, coal gas or natural gas as fuel, can generate a large amount of industrial waste gas and other pollutants during production, easily causes environmental pollution, and is not suitable for clean production.
When the glass melting furnace works, high-temperature glass cullet or semi-molten liquid is led into a melting cavity from a glass frit liquid inlet channel, batch is led into the melting cavity from a batch liquid inlet channel, the batch is laid above the glass cullet or the semi-molten liquid, the glass cullet or the semi-molten liquid is connected with a third electrode group and a fourth electrode group, and after an external power supply is connected with the third electrode group and the fourth electrode group, alkali metal sodium and potassium ions in the molten glass are conducted. Joule heat is generated to further melt the glass cullet, which is then transported from the drain through the connecting tube to the fining chamber.
After the external power supply is connected with the first electrode group and the second electrode group, the glass melt in the fining cavity is continuously heated to be kept in a molten state to be fined, and finally pure glass melt is discharged from the liquid discharge pipe.
When materials are added into the melting cavity and the clarifying cavity, redundant gas can be discharged through the first exhaust pipe and the second exhaust pipe, so that the proper air pressure in the cavity is achieved.
Simultaneously, when whole electric melting furnace was maintained, can open the upper cover and take out melting chamber and clarification chamber from the lower fixed frame after taking out the fire-resistant heat preservation filler in the lower fixed frame to realize the clearance, be provided with the opening of being connected with corresponding pipeline in the adaptation position on melting chamber and clarification chamber, also be provided with the opening that supplies pipeline and electrode group to pass in the suitable position of upper cover and lower fixed frame.
In this embodiment, the first electrode set 18 is located above the second electrode set 19, and the first electrode set 18 and the second electrode set 19 on the same side of the fining chamber 4 are of opposite polarity, and the fourth electrode set 25 is located above the third electrode set 24, and the fourth electrode set 25 and the third electrode set 24 on the same side of the melting chamber 3 are of opposite polarity.
In use, the electrode groups with opposite polarities are arranged, the conduction can be realized at the same side, the conduction can be formed at the opposite side, and the integral heating effect is improved.
In this embodiment, the upper surface of the upper cover 1 is provided with the stirring motor 6, the power output end of the stirring motor 6 is connected with one end of the rotating shaft 7 inserted into the melting chamber 3, and the other end of the rotating shaft 7 is provided with the rotary vane 14. The rotary vane 14 is located below the fourth electrode set 25 and close to the plane of the third electrode set 24.
In the use, through set up rotary vane and pivot in melting the intracavity, make the glass cullet or the semi-molten liquid of melting the intracavity under agitator motor's drive can obtain stirring evenly distributed, rotary vane and pivot are detachable connected mode in the installation, are provided with corresponding can seal the opening simultaneously melting the intracavity, are convenient for place the rotary vane into and melt the intracavity.
In this embodiment, the connecting pipe 13 is provided with a first electromagnetic valve 17, the liquid discharge pipe 21 is provided with a second electromagnetic valve 20, the lower fixing frame 2 is further provided with a second heating elbow 16, the second heating elbow 16 is in a "U" shape, two ends of the second heating elbow 16 are located on the same side of the lower fixing frame 2, and the connecting pipe 13 penetrates through the "U" shape. A first heating bent pipe 15 is arranged between the melting chamber 3 and the clarifying chamber 4, and the first heating bent pipe 15 is of an S-shaped structure.
In the use, can control opening and shutting and closing of connecting pipe and fluid-discharge tube through setting up first solenoid valve and second solenoid valve for melting the intracavity material and melting the rear and can discharge to the clarification chamber in from the connecting pipe, melting the chamber simultaneously and be provided with corresponding temperature-sensing probe in the clarification intracavity in the in-service use, carry out the feedback with the actual temperature in two cavities, the automatic control mechanism that staff or set up realizes opening and shutting and closing of first solenoid valve and second solenoid valve through manual or automatic mode.
And then, the second heating pipe is arranged on the periphery of the connecting pipe, the second heating pipe is of a U-shaped structure, the connecting pipe penetrates through the middle part of the U-shaped structure, and the first heating pipe and the second heating pipe can provide proper heat after being externally connected with a power supply, so that the glass solution is prevented from being condensed due to temperature reduction.
In this embodiment, a refractory protective sleeve 10 is disposed on a part of the periphery of the frit inlet channel 9 and the batch inlet channel 8 above the upper sealing cap 1.
In the use, set up the damage that fire-resistant protective sheath can prevent to go up the closing cap when the material from carrying in glass material inlet channel 9 and 8 peripheries of batch inlet channel.
As shown in fig. 4, in the present embodiment, a plug 11 is further disposed on the first exhaust pipe and the second exhaust pipe, a vent 28 is further disposed on the outer periphery of the end portion of the first exhaust pipe and the second exhaust pipe, a threaded structure 29 is disposed at one end of the plug connected to the first exhaust pipe and/or the second exhaust pipe, and the plug is connected to the first exhaust pipe and/or the second exhaust pipe through the threaded structure 29, so that the opening size of the vent 28 can be adjusted when the plug 11 is rotated, thereby satisfying the exhaust requirement under various conditions.