Mixture feeding device for glass melting furnace

Abstract

The utility model belongs to a mixture feeding device of a glass melting furnace in the technical field of glass melting furnaces. The feeding air pipe assembly comprises a straight pipe section (1) and an elbow section (2), one end of the straight pipe section (1) is communicated with the glass melting furnace (3), the other end of the straight pipe section (1) is communicated with the upper end of the elbow section (2), the lower end of the elbow section (2) is communicated with an air inlet fan (4), and the straight pipe section (1) is simultaneously communicated with a feeding bin (5). A material poking and guiding opening (6) is formed in the position, close to the upper portion, of the elbow section (2) of the feeding air pipe assembly. According to the mixture feeding device for the glass melting furnace, the smooth feeding of a mixture can be ensured, the blockage of the feeding air pipe can be conveniently cleaned, and the field use requirement is met.

Description

Technical Field

[0001] This utility model belongs to the field of glass melting furnace technology, and more specifically, it relates to a glass melting furnace mixing material feeding device. Background Technology

[0002] Before glass melting furnace production begins, the furnace temperature needs to be gradually increased to approximately 1600 degrees Celsius. Raw materials required for glass production, such as silica (SiO2, commonly known as silica sand), sodium oxide (Na2O), calcium oxide (CaO), and sodium silicate (Na2SiO3), are then added. To reduce production costs, chopped glass is added initially. Before heating the furnace to 1600 degrees Celsius, a burner is installed at the feeding port, preventing normal feeding by the inclined carpet feeder. Feeding must be done using a feeder to add the raw materials (a mixture, typically powdered material mixed with chopped glass). The feeder works by using air generated by a high-pressure blower to blow the glass raw materials from the hopper into the melting furnace. The shortcomings of the existing technology are: 1. The lower part of the hopper is a cuboid, wider at the top and narrower at the bottom. If the material has high moisture content or contains broken glass, the cuboid can easily form dead corners, making material feeding difficult. 2. The push-pull horizontal gate installed at the bottom of the hopper is very difficult to push and pull due to the obstruction of the glass raw material, making it difficult to control the flow rate of the glass raw material. 3. During the feeding process, the glass raw material will continuously accumulate, causing the air outlet to be blocked and making feeding impossible. The feeder needs to be welded, adjusted, and raised multiple times. Due to the high temperature during on-site operation, heavy heat-insulating work clothes must be worn. The high-temperature environment is harsh, making the operation difficult.

[0003] Existing technology includes a method for hot charging a glass melting furnace and a dedicated feeding device, published under the name "Method and Dedicated Feeding Device for Hot Charging a Glass Melting Furnace" (publication number CN1847173A). This technology relates to a method for hot charging a glass melting furnace and a dedicated feeding device. The method involves raising the furnace temperature, installing a dedicated feeding device, connecting a gas compressor to the end of a horizontal feed pipe via a pressure measuring device, and controlling the compressor to intermittently exhaust gas into the horizontal feed pipe based on changes in air pressure at the compressor outlet, until glass clinker meeting the conventional weight requirements for hot charging is fed into the melting furnace. The dedicated feeding device consists of a vertical feed pipe open at both ends, connected to the middle section of a horizontal feed pipe open at both ends. A forward-extending obstruction is provided on the upper side of the first end of the horizontal feed pipe, and a cooling gas pipe with its outlet end inserted into the first part of the horizontal feed pipe is installed outside the horizontal feed pipe. This method ensures a smaller amount of cold air entering the melting furnace, effectively reducing interference with the furnace temperature regime, lowering oil consumption, protecting the furnace structure, and maintaining unobstructed access to the grid. The dedicated feeding device has a low cost. However, this technology does not address the technical issues and solutions of this application. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a glass melting furnace mixing material feeding device that is simple in structure, can ensure smooth feeding of the mixture, and can easily clean the blockage of the feeding air pipe, thus meeting the requirements of on-site use, in order to address the shortcomings of the existing technology.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] This utility model is a feeding device for a glass melting furnace mixture. The feeding duct assembly includes a straight pipe section and an elbow section. One end of the straight pipe section is connected to the glass melting furnace, and the other end of the straight pipe section is connected to the upper end of the elbow section. The lower end of the elbow section is connected to the air inlet fan, and the straight pipe section is also connected to the feeding hopper.

[0007] The upper part of the elbow section of the feeding duct assembly is provided with a feeding guide port.

[0008] The feed hopper includes a square hopper section, a conical hopper section, and a gate opening. The upper part of the conical hopper section is connected to the square hopper section, and the lower part of the conical hopper section is connected to the gate opening. The gate opening is fixedly connected to a straight pipe section.

[0009] A gate is installed inside the gate opening.

[0010] The feed hopper is connected to the connecting frame, and the connecting frame is connected to the lifting and adjusting assembly.

[0011] The lifting and adjusting assembly includes multiple crossbeams and multiple lifting components. The lifting components are telescopic hydraulic cylinders, telescopic air cylinders, or telescopic lead screw bushings. The lifting components are arranged vertically, and adjacent lifting components are connected by crossbeams.

[0012] The connecting frame includes multiple columns and multiple connecting beams. The columns are arranged vertically, and adjacent columns are connected by connecting beams. The bottom of the columns is connected to the corresponding crossbeam of the lifting and adjusting assembly.

[0013] The glass melting furnace mixing material feeding device also includes a guide rod.

[0014] The gate includes a connecting plate, a fixed shaft, a rotating shaft sleeve, a gate body, and a handle. The rotating shaft sleeve, the gate body, and the handle are welded together. The connecting plate is installed on the gate opening. The rotating shaft sleeve is movably fitted onto the fixed shaft. A nut is screwed onto the upper part of the fixed shaft. A horizontally arranged slot is provided on the side of the gate opening. The handle is located outside the gate opening, and the gate body passes through the slot.

[0015] The fixed shaft includes a lower section, a middle section, and an upper section, which are integral structures. The diameters of the lower, middle, and upper sections decrease sequentially. The upper section is equipped with a threaded structure, and a nut is screwed onto the upper section.

[0016] The working principle and beneficial effects of this utility model are as follows:

[0017] The glass melting furnace mixing material feeding device of this utility model has a simple structure. Air supply is achieved through the feeding duct assembly, effectively feeding the mixture into the glass melting furnace. Furthermore, blockages in the straight pipe section can be cleared using a guide rod. The feeding hopper reliably discharges the mixture, solving the problem of dead corners and discharging difficulties caused by the cuboid shape in existing technologies. The gate adjustment is convenient and reliable, allowing for control of the discharge volume. The lifting and adjusting assembly adjusts the height of the entire device to meet different height requirements. In summary, the mixing material feeding device of this utility model ensures smooth feeding of the mixture and meets on-site usage requirements. Attached Figure Description

[0018] The following is a brief explanation of the contents depicted in the accompanying drawings and the markings therein:

[0019] Figure 1 This is a schematic diagram of the main structure of the glass melting furnace mixing material feeding device of this utility model;

[0020] Figure 2 This is a side view of the glass melting furnace mixing material feeding device of this utility model;

[0021] Figure 3 This is a top view of the glass melting furnace mixing material feeding device described in this utility model;

[0022] Figure 4 This is a schematic diagram of the feeding hopper of the glass melting furnace mixing material feeding device of this utility model;

[0023] Figure 5 This is a schematic diagram of the connecting frame of the glass melting furnace mixing material feeding device of this utility model;

[0024] Figure 6 This is a schematic diagram of the feeding duct assembly of the glass melting furnace mixing material feeding device of this utility model;

[0025] Figure 7 This is a schematic diagram of the main structure of the gate of the glass melting furnace mixing material feeding device of this utility model;

[0026] Figure 8 This is a top view of the gate of the glass melting furnace mixing material feeding device according to the present invention;

[0027] The labels in the attached diagram are as follows: 1. Straight pipe section; 2. Elbow section; 3. Glass melting furnace; 4. Inlet fan; 5. Feed hopper; 6. Feed guide port; 7. Square hopper section; 8. Conical hopper section; 9. Gate opening; 10. Gate; 11. Connecting frame; 12. Lifting and adjusting assembly; 13. Crossbeam; 14. Lifting component; 15. Column; 16. Connecting beam; 17. Connecting plate; 18. Fixed shaft; 19. Rotating shaft sleeve; 20. Gate body; 21. Handle; 22. Nut; 23. Slot; 24. Lower section; 25. Middle section; 26. Upper section; 27. Feed inlet. Detailed Implementation

[0028] The following description, with reference to the accompanying drawings, provides a more detailed explanation of the specific embodiments of this utility model, including the shape and structure of each component, the relative positions and connections between the parts, the functions and working principles of each part:

[0029] As attached Figure 1 -Appendix Figure 8 As shown, this utility model is a feeding device for a glass melting furnace mixture. The feeding duct assembly includes a straight pipe section 1 and an elbow section 2. One end of the straight pipe section 1 is connected to the glass melting furnace 3, and the other end of the straight pipe section 1 is connected to the upper end of the elbow section 2. The lower end of the elbow section 2 is connected to the air inlet fan 4, and the straight pipe section 1 is also connected to the feeding hopper 5. The above structure addresses the shortcomings of the existing technology by proposing an improved technical solution. In terms of structural design, the feeding duct is composed of a straight section 1 and an elbow section 2. The straight section 1 and elbow section 2 are an integral structure made of high-temperature resistant steel pipe. One end of the straight section 1 is connected to the glass melting furnace 3. The mixture entering the straight section needs to be fed into the glass melting furnace. The other end of the straight section 1 is connected to the upper end of the elbow section 2. The lower end of the elbow section 2 is connected to the air intake fan 4. The air intake fan 4 is used for air intake. The straight section 1 is also connected to the feeding hopper 5 through the upper feed port 27. The material fed down from the feeding hopper 5 falls into the straight section 1. The mixture falling into the straight section will be blown into the straight section 1 by the air blower 4 from the elbow section 2, and then sent into the glass melting furnace 3.

[0030] The elbow section 2 of the feeding duct assembly is provided with a guide port 6 near the upper part. The glass melting furnace mixing material feeding device also includes a guide rod. In the above structure, because the feeding hopper 5 continuously feeds material, the mixture will accumulate in the straight pipe section 1, causing blockage. At this time, the guide rod is inserted into the straight pipe section to clear the blockage and eliminate the blockage.

[0031] The feed hopper 5 includes a square feed hopper section 7, a conical feed hopper section 8, and a gate opening 9. The upper part of the conical feed hopper section 8 is connected to the square feed hopper section 7, and the lower part of the conical feed hopper section 8 is connected to the gate opening 9. The gate opening 9 is fixedly connected to the straight pipe section 1. A gate 10 is installed inside the gate opening 9. In this structure, the feed hopper 5 is divided into three parts: the upper part is the square feed hopper section 7 welded from steel plates; the middle part is the conical feed hopper section 8, which is folded from steel plates into a square shape at the top and a round shape at the bottom; and the gate opening is located at the lower part of the conical feed hopper section 8 where it connects to the straight pipe section, with the gate installed at the gate opening. The upper and middle parts of the feed hopper 5 are seamlessly welded together, and the middle and lower parts are also seamlessly welded together to ensure reliable connections.

[0032] The feed hopper 5 is connected to the connecting frame 11, which is connected to the lifting and adjusting assembly 12. The connecting frame 11 includes multiple columns 15 and multiple connecting beams 16. The columns 15 are arranged vertically, and adjacent columns 15 are connected by connecting beams 16. The bottom of each column 15 is connected to the corresponding crossbeam 13 of the lifting and adjusting assembly 12. In this structure, the square feed hopper 7 is welded to the four columns 15 of the connecting frame 11; the gate opening is connected to the air duct assembly, and the mixture flows from the square feed hopper 7 to the conical feed hopper 8. The gate opening at the bottom of the conical feed hopper 8 is equipped with a gate to control the flow rate of the mixture; after passing through the gate, the mixture flows to the straight pipe section, and the air duct uses the air force of a high-pressure blower to blow the mixture into the glass melting furnace for melting.

[0033] The lifting and adjusting assembly 12 includes multiple crossbeams 13 and multiple lifting components 14. Each lifting component 14 is a telescopic hydraulic cylinder, telescopic pneumatic cylinder, or telescopic lead screw bushing. The lifting components 14 are arranged vertically, and adjacent lifting components 14 are connected by the crossbeams 13. With this structure, the lifting components of the lifting and adjusting assembly 12 can extend and retract as needed, raising and lowering the multiple crossbeams 13, thereby driving the raising and lowering of the feed hopper 5 and the feeding air duct assembly, satisfying the height adjustment of the device. The lower parts of the multiple lifting components 14 are in contact with the ground, serving as the four legs of the mixture feeding device. In actual use, considering the fluidity of the mixture, the two or more lifting components 14 closer to the melting furnace are adjusted to a lower height, forming a lower front and higher back, facilitating the flow of the mixture.

[0034] The gate 10 includes a connecting plate 17, a fixed shaft 18, a rotating shaft sleeve 19, a gate body 20, and a handle 21. The rotating shaft sleeve 19, the gate body 20, and the handle 21 are welded together. The connecting plate 17 is installed on the gate opening 9. The rotating shaft sleeve 19 is movably fitted onto the fixed shaft 18. A nut 22 is screwed onto the upper part of the fixed shaft 18. A horizontally arranged slot 23 is provided on the side of the gate opening 9. The handle is located outside the gate opening 9, and the gate body 20 passes through the slot 23. The fixed shaft 18 includes a lower section 24, a middle section 25, and an upper section 26. The lower section 24, the middle section 25, and the upper section 26 are an integral structure. The diameters of the lower section 24, the middle section 25, and the upper section 26 decrease sequentially. The upper section 26 has a threaded structure, and the nut 22 is screwed onto the upper section 26. In the above structure, the connecting plate 17 is used to install the fixed shaft 18. The rotating shaft sleeve 19, the gate body 20, and the handle 21 are welded together as a whole, so that the three can move as a whole. The rotating shaft sleeve 19 can rotate around the fixed shaft 18. When the rotating shaft sleeve 19 rotates, the gate body 20 rotates. Because of the slot 23, the gate body 20 can move in and out of the slot 23, thereby changing the area of ​​the gate opening 9 blocked by the gate body 20, and realizing the control of the material flow. The lower section 24, the middle section 25, and the upper section 26 are set up. The lower section 24 is used to support the rotating shaft sleeve 19, the middle section 25 is used to install the rotating shaft sleeve 19, and the upper section 26 is used to tighten the nut 22 to fix the rotating shaft sleeve 19. The handle 21 can rotate horizontally, driving the gate body 20 to move horizontally.

[0035] The glass melting furnace mixing material feeding device of this utility model has a simple structure. Air supply is achieved through the feeding duct assembly, effectively feeding the mixing material into the glass melting furnace. Furthermore, blockages in the straight pipe section can be cleared using a guide rod. The feeding hopper 5 reliably discharges the mixing material, solving the problem of dead corners and discharging difficulties caused by the cuboid shape in existing technologies. The gate 10 is easily and reliably adjustable, controlling the discharge volume. The lifting and adjusting assembly 12 adjusts the height of the entire device to meet different height requirements. In summary, the device of this utility model ensures smooth feeding of the mixing material, meeting on-site usage requirements.

[0036] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any improvements made using the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A feeding device for a glass melting furnace mixture, characterized in that: The feeding duct assembly includes a straight pipe section (1) and an elbow section (2). One end of the straight pipe section (1) is connected to the glass melting furnace (3), and the other end of the straight pipe section (1) is connected to the upper end of the elbow section (2). The lower end of the elbow section (2) is connected to the air intake fan (4). The straight pipe section (1) is also connected to the feeding hopper (5).

2. The glass melting furnace mixing feeder according to claim 1, characterized in that: The elbow section (2) of the feeding duct assembly is provided with a feeding guide port (6) near the upper part.

3. The glass melting furnace mixing feeder according to claim 1 or 2, characterized in that: The feed hopper (5) includes a square hopper section (7), a conical hopper section (8), and a gate opening (9). The upper part of the conical hopper section (8) is connected to the square hopper section (7), and the lower part of the conical hopper section (8) is connected to the gate opening (9). The gate opening (9) is fixedly connected to the straight pipe section (1).

4. The glass melting furnace mixing feeder according to claim 1, characterized in that: A gate (10) is installed inside the gate opening (9).

5. The glass melting furnace mixing feeder according to claim 1 or 2, characterized in that: The feed hopper (5) is connected to the connecting frame (11), and the connecting frame (11) is connected to the lifting and adjusting assembly (12).

6. The glass melting furnace mixing feeder according to claim 5, characterized in that: The lifting adjustment assembly (12) includes multiple crossbeams (13) and multiple lifting components (14). The lifting components (14) are telescopic oil cylinders, telescopic air cylinders, or telescopic lead screw bushings. The lifting components (14) are arranged vertically, and adjacent lifting components (14) are connected through crossbeams (13).

7. The glass melting furnace mixing feeder according to claim 5, characterized in that: The connecting frame (11) includes multiple columns (15) and multiple connecting beams (16). The multiple columns (15) are arranged vertically, and adjacent columns (15) are connected by connecting beams (16). The bottom of the columns (15) is connected to the corresponding crossbeam (13) of the lifting and adjusting assembly (12).

8. The glass melting furnace mixing feeder according to claim 2, characterized in that: The glass melting furnace mixing material feeding device also includes a guide rod.

9. The glass melting furnace mixing feeder according to claim 4, characterized in that: The gate (10) includes a connecting plate (17), a fixed shaft (18), a rotating shaft sleeve (19), a gate body (20), and a handle (21). The rotating shaft sleeve (19), the gate body (20), and the handle (21) are welded together. The connecting plate (17) is installed on the gate opening (9). The rotating shaft sleeve (19) is movably fitted on the fixed shaft (18). The nut (22) is screwed onto the upper part of the fixed shaft (18). A horizontally arranged slot (23) is provided on the side of the gate opening (9). The handle is located outside the gate opening (9). The gate body (20) passes through the slot (23).

10. The glass melting furnace mixing feeder according to claim 9, characterized in that: The fixed shaft (18) includes a lower section (24), a middle section (25), and an upper section (26). The lower section (24), the middle section (25), and the upper section (26) are an integral structure. The diameters of the lower section (24), the middle section (25), and the upper section (26) decrease sequentially. The upper section (26) is provided with a threaded structure, and a nut (22) is screwed onto the upper section (26).

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