CN211595417U - All-electric glass melting furnace - Google Patents

Abstract

The utility model provides an all-electric melting glass melting furnace, including furnace body and furnace, furnace's bottom intercommunication is provided with the material way, and the material way includes first horizontal segment, swash plate settlement section, vertical ascending section and second horizontal segment in proper order, first horizontal segment links to each other with furnace, second horizontal segment intercommunication is provided with blanking mechanism, and through the material way that sets up the multistage formula, realize that molten glass realizes subsiding impurity, debubbling, uniform flow rate and temperature in proper order in the material way transmission course, and then makes glass crystallization shaping quality better to through setting up furnace body, material way and blanking mechanism to the integral type, compact structure, heat preservation energy consumption is low, has solved the molten glass impurity that exists among the prior art and has been difficult to effectively get rid of, influence glassware shaping quality and structural strength's technical problem.

Description

All-electric glass melting furnace

Technical Field

The utility model relates to the field of melting furnaces, in particular to an all-electric melting glass melting furnace.

Background

Glass melting is one of the important processes in glass production, and is a process for forming uniform, bubble-free and forming-qualified molten glass by heating batch materials at high temperature. The melting process is divided into 5 stages of silicate formation, glass formation, clarification, homogenization and cooling. The stages are all internally connected and mutually influenced, the imperfection of each stage influences the reaction of the next stage and finally influences the product quality, and the glass melting batch is a mixture composed of granular coal, semicoke and other raw materials with or without caking materials (caking agents or caking coals).

The utility model discloses a chinese utility model patent that application number is CN201020599389.3 discloses a opal glass electric melting furnace, insert electrode, melting district, brickwork, the half insulation construction of outer wall, row's cinder notch, melt flow channel, breast wall, arch top, melting tank inner wall including the top, the breast wall is located brickwork upper portion, and the arch top is located whole melting furnace top, is provided with on the breast wall between arch top and brickwork and inserts the electrode position, melts the outside half insulation formula structure that adopts of district, melts the district bottom and adopts the circumference to central tilting, and the bottom center is equipped with a row's cinder notch, discharges the stagnant material in the stove regularly.

Because the impurity in the melting raw materials and a large amount of impurity pollutants in the air can get into the glass melt, lead to glass to melt the quality relatively poor, and too much impurity pollutants can influence the stability of glass batching intermolecular structure, and then seriously influence the structural strength of glassware, however in above-mentioned technical scheme, can't effectively get rid of the impurity in the glass melt, lead to the shaping quality of glassware relatively poor.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides an all-electric melting glass melting furnace, material through setting up the multistage formula is said, realize that glass melt says that the material realizes settling impurity, debubbling, the uniform flow rate and temperature in proper order in the transmission course, and then makes glass crystallization shaping quality better to through with the furnace body, material way and blanking mechanism set up to the integral type, compact structure, the heat preservation energy consumption is low, the glass melt impurity that exists among the prior art is difficult to effectively get rid of, influence glassware shaping quality and structural strength's technical problem has been solved.

In order to achieve the above object, the utility model provides a following technical scheme:

the all-electric glass melting furnace comprises a furnace body provided with a hearth, a material channel communicated with the bottom of the hearth, and a blanking mechanism communicated with the material channel, wherein the material channel sequentially comprises a first horizontal section, an inclined ascending section, a vertical ascending section and a second horizontal section, the first horizontal section is connected with the hearth, and the second horizontal section is connected with the blanking mechanism.

Preferably, the bottom end of the vertical ascending section is higher than the first horizontal section, and the inclined plate settling section is arranged in a transition and inclined mode from the first horizontal section to the vertical ascending section.

Preferably, the side wall of the blanking mechanism is provided with a discharge port communicated with the second horizontal section, the circulation bottom surface at the front end of the second horizontal section is a horizontal part, the horizontal part is lower than the discharge port, the circulation bottom surface at the rear end of the horizontal part is a slope part, and the slope part is in transition inclined arrangement from the horizontal part to the discharge port.

Preferably, a plurality of electrodes are arranged on the side walls of the material channel and the blanking mechanism.

Preferably, a cold water bag is arranged between the furnace body and the vertical ascending section.

Preferably, the blanking mechanism comprises a discharge chute, a blanking port is formed in the bottom of the discharge chute, and the discharge port and the electrodes are respectively arranged on two side walls of the discharge chute.

Preferably, the bottom of the first horizontal section is provided with a slag discharge port.

Preferably, a charging opening is arranged above the hearth, and an insulating layer is arranged on the periphery of the charging opening.

The beneficial effects of the utility model reside in that:

(1) the utility model realizes the effects of settling impurities, removing bubbles, homogenizing flow velocity and temperature of the glass melt in sequence in the transmission process of the material channel by arranging the material channel with multi-section type, further ensures better glass crystallization forming quality, and has compact structure and low heat-preservation energy consumption by arranging the furnace body, the material channel and the blanking mechanism into a whole, thereby solving the technical problems that the impurities of the glass melt in the prior art are difficult to effectively remove and the forming quality and the structural strength of glass products are influenced;

(2) the utility model sets the inclined plate sedimentation section through transition connection between the first horizontal section and the vertical rising section of the material channel, when the molten glass stays to the section, solid-phase impurities slide down along the inclined plate due to the larger weight, and the supernatant liquid flows upwards uniformly, thereby effectively separating the solid impurities, shortening the sedimentation distance and time and improving the sedimentation capacity of the material channel due to the arrangement of the inclined plate sedimentation structure;

(3) the utility model arranges the vertical ascending section behind the inclined plate settling section, so that the clarified and purified glass melt keeps uniform flow velocity and temperature output while further settling slag and removing bubbles, thereby ensuring more uniform crystallization of glass and better molding quality;

(4) the utility model discloses a set up slope portion formation difference in height with blanking mechanism intercommunication department at the second horizontal segment, increase the stock solution function of material way horizontal segment, guarantee the processing production continuity when making things convenient for the maintenance of blanking mechanism.

To sum up, the utility model has the advantages of impurity in time effectively separates, the molten glass quality is good, the formability is good, convenient maintenance, be particularly useful for the melting furnace field.

Drawings

FIG. 1 is a schematic longitudinal sectional view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

fig. 4 is a schematic top view of the overall structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Examples

As shown in fig. 1, the all-electric glass melting furnace comprises a furnace body 1 provided with a hearth 2, a material channel 3 communicated with the bottom of the hearth 2, and a material dropping mechanism 4 communicated with the material channel 3, wherein the material channel 3 sequentially comprises a first horizontal section 31, an inclined ascending section 32, a vertical ascending section 33 and a second horizontal section 34, the first horizontal section 31 is connected with the hearth 2, and the second horizontal section 34 is connected with the material dropping mechanism 4.

In the embodiment, the inclined ascending section 32 is arranged between the first horizontal section 31 and the vertical ascending section 33 of the material channel 3 in a transition connection mode, when glass melt is left to the section, solid-phase impurities slide down along an inclined plate due to large weight, and supernatant liquid uniformly flows upwards, so that the solid impurities are effectively separated, the settling distance and time are shortened due to the arrangement of an inclined plate settling structure, and the settling capacity of the material channel 3 is improved;

meanwhile, the vertical ascending section 33 is arranged behind the inclined ascending section 32, so that slag can be further settled, bubbles can be removed, and in addition, the flow rate and the temperature of the molten glass on the same horizontal plane are consistent in the ascending flowing process of the vertical section, so that the molten glass after being clarified and purified can be always kept at uniform flow rate and uniform temperature output by the arrangement of the vertical ascending section 33, the glass is crystallized more uniformly, and the forming quality is better.

Preferably, as shown in fig. 3, the bottom end of the vertical rising section 33 is higher than the first horizontal section 31, and the inclined rising section 32 is arranged in a transition and inclination manner from the first horizontal section 31 to the vertical rising section 33.

Preferably, as shown in fig. 2, a discharge hole 41 communicating with the second horizontal segment 34 is formed in a side wall of the blanking mechanism 4, a flow bottom surface of a front end of the second horizontal segment 34 is a horizontal portion 341, the horizontal portion 341 is disposed lower than the discharge hole 41, a flow bottom surface of a rear end thereof is a slope portion 342, and the slope portion 342 is disposed in a transition inclined manner from the horizontal portion 341 to the discharge hole 41.

In this embodiment, through setting up slope portion 342 in the discharge gate 41 department of second horizontal segment 34 and blanking mechanism 4 intercommunication, when playing further sediment effect, form the difference in height here, make the material way horizontal segment possess the stock solution function, when needing to maintain blanking mechanism 4, needn't wait until the glass melt is all put and just can maintain the operation, consequently make things convenient for blanking mechanism 4's maintenance, meanwhile, because the horizontal segment possesses the stock solution function, can continue the ejection of compact fast after the maintenance is accomplished, and then ensured the continuity of processing production, and the production efficiency is improved.

Preferably, as shown in fig. 2-4, a plurality of electrodes 5 are disposed on the side walls of the material channel 3 and the material dropping mechanism 4.

In this embodiment, the plurality of electrodes 5 are disposed on the side walls of the material channel 3 and the blanking mechanism 4, so that the electrodes 5 can be automatically adjusted according to the temperature change of the glass melt during the transportation process of the glass melt, and the temperature of the glass melt is kept uniform.

Preferably, as shown in fig. 1, a cold water drum 6 is provided between the furnace body 1 and the vertical rising section 33.

The utility model discloses in, furnace 2 internal temperature is about 1500 ℃, and glass's forming temperature is about 1100 ℃, and the cold water package 6 that sets up between furnace body 1 and vertical ascending section 33 for the glass melt to output process is cooled down and is handled.

Preferably, as shown in fig. 2, the blanking mechanism 4 includes a discharge chute 42, a blanking port 43 is opened at the bottom of the discharge chute 42, and the discharge port 41 and the electrode 5 are respectively disposed on two side walls of the discharge chute 42.

Preferably, as shown in fig. 3, the bottom of the first horizontal segment 31 is provided with a slag discharge opening 7.

The utility model discloses in, through set up row's cinder notch 7 at first horizontal segment 31, can in time discharge the impurity that the swash plate subsides the production, avoid blockking up or influence the material matter.

Preferably, as shown in fig. 1, a charging port is provided above the furnace 2, and an insulating layer 8 is provided around the charging port.

The working process is as follows:

add glass melting raw materials from the charge door of the top of furnace 2, melt through the mode of electrical heating, the molten glass that melts and make is exported from the material way 3 of furnace 2 bottom, in the in-process of inputing to vertical ascending section 33 by first horizontal segment 31, carry out the subsidence of solid impurity through slope ascending section 32, reentrant vertical ascending section 33 further subsides and removes the bubble, and keep even velocity of flow and temperature to continue to inputing to blanking mechanism 4, the impurity of subsiding is discharged through row cinder notch 7, at the in-process that the molten glass circulates in material way 3, through electrode 5 on the lateral wall according to the automatic adjustment of temperature variation, ensure temperature equilibrium everywhere.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The all-electric melting glass melting furnace comprises a furnace body (1) provided with a hearth (2), a material channel (3) communicated with the bottom of the hearth (2), and a blanking mechanism (4) communicated with the material channel (3), and is characterized in that the material channel (3) sequentially comprises a first horizontal section (31), an inclined ascending section (32), a vertical ascending section (33) and a second horizontal section (34), the first horizontal section (31) is connected with the hearth (2), and the second horizontal section (34) is connected with the blanking mechanism (4).

2. An all-electric glass melting furnace according to claim 1, characterized in that the bottom end of the vertical riser (33) is higher than the first horizontal section (31), and the inclined riser (32) is arranged inclined in the transition from the first horizontal section (31) to the vertical riser (33).

3. The all-electric glass melting furnace according to claim 1, wherein the side wall of the blanking mechanism (4) is provided with a discharge port (41) communicated with the second horizontal section (34), the flow bottom surface of the front end of the second horizontal section (34) is a horizontal portion (341), the horizontal portion (341) is arranged below the discharge port (41), the flow bottom surface of the rear end of the second horizontal section is a slope portion (342), and the slope portion (342) is arranged in a transition inclined manner from the horizontal portion (341) to the discharge port (41).

4. An all-electric glass melting furnace according to claim 3, characterized in that the side walls of the channel (3) and the blanking mechanism (4) are provided with a plurality of electrodes (5).

5. An all-electric glass melting furnace according to claim 1, characterized in that a cold water drum (6) is arranged between the furnace body (1) and the vertical riser (33).

6. The all-electric glass melting furnace according to claim 4, wherein the blanking mechanism (4) comprises a discharge chute (42), a blanking port (43) is formed at the bottom of the discharge chute (42), and the discharge port (41) and the electrode (5) are respectively arranged on two side walls of the discharge chute (42).

7. An all-electric glass melting furnace according to claim 1, characterized in that the bottom of the first horizontal section (31) is provided with a slag discharge opening (7).

8. An all-electric glass melting furnace according to claim 1, characterized in that the hearth (2) is provided with a feed opening above it and with an insulating layer (8) around it.

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