Natural gas kiln combustion control system for producing glass

By designing a natural gas kiln combustion control system for fiberglass kilns, the problem of imperfect combustion control in the existing technology is solved, the efficiency of glass hot melting and processing is improved, and the generation of harmful gases is reduced.

CN119349861AInactive Publication Date: 2025-01-24KAILI KAI RONG GLASS CO LTD
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Patent Information

Application Number
CN202411297547.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-01-24
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

During the production process of existing glass fiber kilns, the control system for pure oxygen combustion is not perfect enough, resulting in low glass processing efficiency and harmful gases.

Method used

A natural gas kiln combustion control system is designed, including air pressure adjustment components, combustion components and sealing structures. Through these components, the air pressure and combustion temperature inside the hot melt furnace can be controlled to ensure that the glass is at the appropriate pressure and temperature, and to achieve full utilization of natural gas. Burn and reduce the generation of harmful gases.

Benefits of technology

Improved glass hot -melt efficiency and processing efficiency, reduced the generation of harmful gases such as carbon monoxide, and ensured the pressure and temperature stability inside the hot melt furnace.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a natural gas kiln combustion control system for producing glass, and relates to the technical field of glass processing. The natural gas kiln combustion control system for producing the glass comprises a heat preservation box, a hot melting furnace is arranged on the inner side of the heat preservation box, a feeding opening is fixedly formed in the top of the heat preservation box and the top of the hot melting furnace, the feeding opening is communicated with the interior of the hot melting furnace, a fixing plate is fixedly installed on the inner wall of the heat preservation box, and a combustion stove is fixedly installed on the top of the fixing plate. According to the natural gas kiln combustion control system for producing glass, the flow of natural gas and air can be controlled, the combustion temperature of a hot melting furnace can be controlled, and the natural gas and the air can be driven to enter a combustion stove according to a certain proportion, so that the natural gas can be fully combusted, and harmful gases such as carbon monoxide are reduced; and the air pressure in the heat preservation box can be controlled, so that the glass in the hot melting furnace is at proper pressure intensity, and the glass hot melting efficiency is improved.
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Description

Technical Field

[0001] The invention relates to the technical field of glass processing, and in particular to a natural gas kiln combustion control system for producing glass. Background Art

[0002] Glass is an amorphous inorganic non-metallic material. It is generally made from a variety of inorganic minerals (such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash, etc.) as the main raw materials, and a small amount of auxiliary raw materials.

[0003] At present, pure oxygen combustion is widely used in the production process of glass fiber kilns, but the supporting control system is not perfect enough. Therefore, a natural gas kiln combustion control system for producing glass is invented. Summary of the invention

[0004] The object of the present invention is to provide a natural gas furnace combustion control system for producing glass to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a natural gas kiln combustion control system for producing glass, comprising an insulation box, a hot melt furnace is arranged on the inner side of the insulation box, a feed port is fixedly installed on the top of the insulation box and the top of the hot melt furnace, and the feed port is communicated with the inside of the hot melt furnace, a fixed plate is fixedly installed on the inner wall of the insulation box, a combustion stove is fixedly installed on the top of the fixed plate, and the top of the combustion stove is fixedly installed on the bottom outer wall of the hot melt furnace, and also comprises an air pressure regulating component installed on the insulation box and the hot melt furnace, which is used to adjust the pressure inside the hot melt furnace through the air pressure regulating component, a combustion component installed on the insulation box and the combustion stove, which is used to control the combustion speed through the combustion component, and a sealing structure installed on the feed port, a driving component and a limiting component are arranged on the outer side of the sealing structure, and the driving component and the limiting component are used to drive the feed port of the sealing structure to open and close.

[0006] Preferably, the air pressure regulating assembly includes a pressure pump, an air supply pipe, an air extraction pipe, an exhaust pipe and a smoke exhaust pipe. The pressure pump is fixedly installed on the top outer wall of the insulation box. One end of the air supply pipe is fixedly connected to the input end of the pressure pump. The other end of the air supply pipe passes through the top of the insulation box, the top of the hot melting furnace and communicates with the interior of the hot melting furnace. One end of the air extraction pipe is fixedly connected to the input end of the pressure pump. The air pressure inside the insulation box can be controlled so that the glass inside the hot melting furnace is at a suitable pressure, which is used to improve the efficiency of glass hot melting. In addition, during the discharging process, the atmospheric pressure will push the molten glass, driving the molten glass to be discharged quickly, thereby improving the glass processing efficiency.

[0007] Preferably, a lifting plate is slidably installed on the inner wall of the thermal insulation box, four groups of moving wheels are slidably installed on the bottom of the lifting plate, and the four groups of moving wheels are arranged in a circular array, two-way threaded rods are rotatably installed on both sides of the thermal insulation box, threaded blocks are threadedly installed on the outer walls of the two-way threaded rods, push rods are hingedly installed on the bottom of the threaded blocks and the top of the lifting plate, and there are two groups of threaded blocks and push rods and they are symmetrically arranged on the left and right, and knobs are fixedly installed on both ends of the two-way threaded rod.

[0008] Preferably, the combustion assembly includes a gas pipe, a gas pump, an air pipe, and an air pump. The gas pipe is fixedly installed on one side of the insulation box and one side of the hot melting furnace, and the gas pipe is fixedly installed on the outer wall of the combustion stove. The gas pump is fixedly connected to the gas pipe, and the air pipe is fixedly installed on the front side of the insulation box, the front side of the hot melting furnace, and the front side of the combustion stove. The air pump is fixedly connected to the air pipe, and the gas pipe is fixedly connected with a branch pipe, which passes through the combustion stove and extends to the interior of the combustion stove. One end of the air pipe is located inside the combustion stove, which can control the flow rate of natural gas and air and the combustion temperature of the hot melting furnace. It can also drive natural gas and air into the interior of the combustion stove in a certain proportion, so that the natural gas can be fully burned and the production of harmful gases such as carbon monoxide can be reduced.

[0009] Preferably, the sealing structure includes a first rotating shaft, a first sealing plate, a second rotating shaft and a second sealing plate. The first sealing plate is fixedly installed on the outer wall of the first rotating shaft, and the second sealing plate is fixedly installed on the outer wall of the second rotating shaft. The first rotating shaft and the second rotating shaft are both rotatably installed on the front and rear sides of the insulation box, and the first rotating shaft, the first sealing plate, the second rotating shaft and the second sealing plate are each in two groups and are symmetrically arranged on the left and right. During the filling process, the interior of the hot melt furnace can be prevented from directly contacting the outside air, thereby ensuring the internal pressure and temperature of the hot melt furnace.

[0010] Preferably, the driving assembly includes an electric telescopic rod, a U-shaped rack and a gear. The electric telescopic rod is fixedly installed on the top outer wall of the insulated box, the U-shaped rack is fixedly installed on the free end of the electric telescopic rod, and there are two groups of gears respectively fixedly installed on the outer walls of the two groups of second rotating shafts, and the U-shaped racks are meshed with the two groups of gears, which can drive the second sealing plate to rotate.

[0011] Preferably, the limiting assembly includes a hollow box, an L-shaped rod, a fixed block and a push spring. The hollow box is fixedly installed on the top of a group of first sealing plates, and the fixed block is fixedly installed on the top of another group of first sealing plates. A slide groove is provided on the top of the hollow box, a movable opening is provided on one side of the hollow box, and a card slot is provided on the fixed block. The L-shaped rod is slidably installed in the slide groove and the movable opening, and one end of the L-shaped rod extends into the card slot. The push spring is located inside the hollow box and can drive the first sealing plate to rotate.

[0012] Preferably, the exhaust pipe, smoke exhaust pipe and material discharge pipe are all provided with solenoid valves.

[0013] Preferably, a gas meter is provided on the gas pipe, and a temperature and pressure sensor is provided on one side of the hot melting furnace.

[0014] Preferably, a control panel is provided on the front side of the heat preservation box, and an igniter is provided on the inner wall of the combustion stove.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) The natural gas kiln combustion control system for glass production can control the flow of natural gas and air through the combustion component, control the combustion temperature of the hot melting furnace, and can also drive the natural gas and air into the interior of the combustion stove in a certain proportion, so that the natural gas can be fully burned and reduce the production of harmful gases such as carbon monoxide.

[0017] (2) The natural gas kiln combustion control system for producing glass can control the air pressure inside the insulation box through the air pressure regulating component, so that the glass inside the hot melting furnace is at a suitable pressure, which is used to improve the efficiency of glass hot melting. In addition, during the discharge process, the atmospheric pressure will push the glass liquid, driving the glass liquid to be discharged quickly, thereby improving the efficiency of glass processing.

[0018] (3) The natural gas kiln combustion control system for producing glass can drive the first sealing plate and the second sealing plate to rotate through the coordinated use of the driving component and the limit component, and can control the opening and closing of the feed port. During the filling process, it can also prevent the interior of the hot melting furnace from directly contacting the outside air, thereby ensuring the pressure and temperature inside the hot melting furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0020] Figure 1 It is a structural schematic diagram of the present invention;

[0021] Figure 2 It is a structural schematic diagram of another side of the present invention;

[0022] Figure 3 is a cross-sectional view of the heat preservation box of the present invention;

[0023] Figure 4 It is a cross-sectional view of the hot melting furnace and the feed port of the present invention;

[0024] Figure 5 It is a front view of the combustion stove of the present invention;

[0025] Figure 6 It is a top view of the present invention.

[0026] 1. Insulation box; 2. Melting furnace; 3. Feed port; 4. Combustion stove; 5. Lifting plate; 6. Moving wheel; 7. Bidirectional threaded rod; 8. Threaded block; 9. Push rod; 10. Knob; 11. Pressure pump; 12. Gas pipe; 13. Exhaust pipe; 14. Temperature and pressure sensor; 15. Exhaust pipe; 16. Exhaust pipe; 17. Discharge pipe; 18. Gas pipe; 181. Branch pipe; 19. Gas pump; 20. Gas meter; 21. Air pipe; 22. Air pump; 23. First rotating shaft; 24. First sealing plate; 25. Hollow box; 26. L-shaped plug rod; 27. Fixed block; 28. Push spring; 29. ​​Fixed plate; 30. Second rotating shaft; 31. Second sealing plate; 32. Electric telescopic rod; 33. U-shaped rack; 34. Gear; 35. Control panel. DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0028] See also Figure 1-6 The present invention provides a technical solution: a natural gas kiln combustion control system for producing glass, comprising an insulation box 1, a hot melt furnace 2 is arranged on the inner side of the insulation box 1, a feed port 3 is fixedly installed on the top of the insulation box 1 and the top of the hot melt furnace 2, and the feed port 3 is communicated with the inside of the hot melt furnace 2, a fixed plate 29 is fixedly installed on the inner wall of the insulation box 1, a combustion stove 4 is fixedly installed on the top of the fixed plate 29, and the top of the combustion stove 4 is fixedly installed on the bottom outer wall of the hot melt furnace 2, and also includes an air pressure regulating component installed on the insulation box 1 and the hot melt furnace 2, which is used to adjust the pressure inside the hot melt furnace 2 through the air pressure regulating component, a combustion component installed on the insulation box 1 and the combustion stove 4, which is used to control the combustion speed through the combustion component, and a sealing structure installed on the feed port 3, and a driving component and a limiting component are arranged on the outer side of the sealing structure, which are used to drive the feed port 3 of the sealing structure to open and close through the driving component and the limiting component.

[0029] The air pressure regulating assembly includes a pressure pump 11, an air supply pipe 12, an exhaust pipe 13, an exhaust pipe 15 and a smoke exhaust pipe 16. The pressure pump 11 is fixedly installed on the top outer wall of the insulation box 1. One end of the air supply pipe 12 is fixedly connected to the input end of the pressure pump 11. The other end of the air supply pipe 12 passes through the top of the insulation box 1 and the top of the hot melting furnace 2 and communicates with the interior of the hot melting furnace 2. One end of the exhaust pipe 13 is fixedly connected to the input end of the pressure pump 11. The air pressure inside the insulation box 1 can be controlled so that the glass inside the hot melting furnace 2 is at a suitable pressure, which is used to improve the glass hot melting efficiency. In addition, during the discharging process, the atmospheric pressure will push the glass liquid, driving the glass liquid to be discharged quickly, thereby improving the glass processing efficiency.

[0030] A lifting plate 5 is slidably installed on the inner wall of the insulated box 1, and four groups of moving wheels 6 are slidably installed on the bottom of the lifting plate 5, and the four groups of moving wheels 6 are arranged in a circular array. Bidirectional threaded rods 7 are rotatably installed on both sides of the insulated box 1, and threaded blocks 8 are threadedly installed on the outer walls of the bidirectional threaded rods 7. Push rods 9 are hingedly installed on the bottom of the threaded blocks 8 and the top of the lifting plate 5, and there are two groups of threaded blocks 8 and push rods 9 and they are symmetrically arranged on the left and right. Knobs 10 are fixedly installed on both ends of the bidirectional threaded rod 7. The knobs 10 are manually twisted, and the knobs 10 drive the bidirectional threaded rod 7 to rotate. The rotation of the bidirectional threaded rod 7 drives the two groups of threaded blocks 8 and one end of the two groups of push rods 9 to move relative to each other, so that the other ends of the two groups of push rods 9, the lifting plate 5, and the moving wheels 6 are lowered, driving the moving wheels 6 to extend to the outside of the insulated box 1, and then the device can be pushed to move, and the device is moved to the designated use area.

[0031] The combustion assembly includes a gas pipe 18, a gas pump 19, an air pipe 21, and an air pump 22. The gas pipe 18 is fixedly installed on one side of the insulation box 1 and one side of the hot melting furnace 2, and the gas pipe 18 is fixedly installed on the outer wall of the combustion stove 4. The gas pump 19 is fixedly connected to the gas pipe 18. The air pipe 21 is fixedly installed on the front side of the insulation box 1, the front side of the hot melting furnace 2, and the front side of the combustion stove 4. The air pump 22 is fixedly connected to the air pipe 21, and the gas pipe 18 is fixedly connected with a branch pipe 181. The branch pipe 181 passes through the combustion stove 4 and extends to the interior of the combustion stove 4. One end of the air pipe 21 is located inside the combustion stove 4, which can control the flow of natural gas and air, control the combustion temperature of the hot melting furnace 2, and also drive natural gas and air into the interior of the combustion stove 4 in a certain proportion, so that the natural gas can be fully burned and reduce the production of harmful gases such as carbon monoxide.

[0032] The sealing structure includes a first rotating shaft 23, a first sealing plate 24, a second rotating shaft 30 and a second sealing plate 31. The first sealing plate 24 is fixedly installed on the outer wall of the first rotating shaft 23, and the second sealing plate 31 is fixedly installed on the outer wall of the second rotating shaft 30. The first rotating shaft 23 and the second rotating shaft 30 are both rotatably installed on the front and rear sides of the thermal insulation box 1, and the first rotating shaft 23, the first sealing plate 24, the second rotating shaft 30 and the second sealing plate 31 are all in two groups and are symmetrically arranged on the left and right. During the filling process, the interior of the hot melting furnace 2 can also be prevented from directly contacting the outside air, thereby ensuring the internal pressure and temperature of the hot melting furnace 2.

[0033] The driving assembly includes an electric telescopic rod 32, a U-shaped rack 33 and a gear 34. The electric telescopic rod 32 is fixedly installed on the top outer wall of the incubator 1, and the U-shaped rack 33 is fixedly installed on the free end of the electric telescopic rod 32. There are two groups of gears 34 respectively fixedly installed on the outer walls of the two groups of second rotating shafts 30, and the U-shaped racks 33 are meshed with the two groups of gears 34, which can drive the second sealing plate 31 to rotate.

[0034] The limiting assembly includes a hollow box 25, an L-shaped plug rod 26, a fixed block 27 and a push spring 28. The hollow box 25 is fixedly installed on the top of a group of first sealing plates 24, and the fixed block 27 is fixedly installed on the top of another group of first sealing plates 24. A slide groove is provided on the top of the hollow box 25, and a movable opening is provided on one side of the hollow box 25. A card slot is provided on the fixed block 27. The L-shaped plug rod 26 is slidably installed in the slide groove and the movable opening, and one end of the L-shaped plug rod 26 extends into the card slot. The push spring 28 is located inside the hollow box 25, which can drive the first sealing plate 24 to rotate. By manually pushing the L-shaped plug rod 26 to the right, one end of the L-shaped plug rod 26 is driven to move out of the card slot of the fixed block 27, and then manually Pull up the L-shaped plug rod 26 and the fixed block 27, the L-shaped plug rod 26 and the fixed block 27 drive the first sealing plate 24 to rotate, open and close the feed port 3, and then put the raw material into the feed port 3, the raw material falls on the top of the second sealing plate 31, and then manually rotate the first sealing plate 24 so that the first sealing plate 24 closes the feed port 3, and then start the electric telescopic rod 32 through the control panel 35, the free end of the electric telescopic rod 32 drives the U-shaped rack 33 to move upward, and the upward movement of the U-shaped rack 33 drives the gear 34, the second rotating shaft 30, and the second sealing plate 31 to rotate, so that the raw material on the top of the second sealing plate 31 falls into the interior of the hot melting furnace 2, and the raw material is fed.

[0035] The exhaust pipe 15 , the smoke exhaust pipe 16 , and the discharge pipe 17 are all provided with solenoid valves.

[0036] A gas meter 20 is provided on the gas pipe 18 , and a temperature and pressure sensor 14 is provided on one side of the hot melting furnace 2 .

[0037] A control panel 35 is provided on the front side of the heat preservation box 1 , and an igniter is provided on the inner wall of the combustion stove 4 .

[0038] Method of use: manually twist the knob 10, the knob 10 drives the bidirectional threaded rod 7 to rotate, the rotation of the bidirectional threaded rod 7 drives the two sets of threaded blocks 8 and one end of the two sets of push rods 9 to move relative to each other, so that the other ends of the two sets of push rods 9, the lifting plate 5, and the moving wheel 6 are lowered, driving the moving wheel 6 to extend to the outside of the incubator 1, and then the device can be pushed to move, and the device is moved to the designated use area; feeding, manually push the L-shaped plug 26 to the right, drive one end of the L-shaped plug 26 to move out of the slot of the fixed block 27, and then The L-shaped plug rod 26 and the fixing block 27 are manually pulled upward, and the L-shaped plug rod 26 and the fixing block 27 drive the first sealing plate 24 to rotate, and the feed port 3 is opened and closed. Then the raw material is put into the feed port 3, and the raw material falls into the top of the second sealing plate 31. Then the first sealing plate 24 is manually rotated so that the first sealing plate 24 closes the feed port 3. Then the electric telescopic rod 32 is started through the control panel 35. The free end of the electric telescopic rod 32 drives the U-shaped rack 33 to move upward. The upward movement of the U-shaped rack 33 drives the gear 34 and the second rotating shaft. 30. The second sealing plate 31 rotates so that the raw material on the top of the second sealing plate 31 falls into the interior of the hot melting furnace 2, and the raw material is loaded; hot melting, the gas pump 19, the air pump 22, and the igniter are started through the control panel 35, the gas pump 19 evenly transports the natural gas to the interior of the combustion stove 4 through the gas pipe 18 and the branch pipe 181, and the air pump 22 evenly transports the air to the interior of the combustion stove 4 through the air pipe 21, and the igniter ignites the natural gas, so that the natural gas burns and heats the bottom of the hot melting furnace 2, thereby heating the interior of the hot melting furnace 2 The raw materials are heated to drive the glass to melt, and the pressure pump 11 is started through the control panel 35. The pressure pump 11 extracts air through the exhaust pipe 13, and the air is transported to the inside of the hot melting furnace 2 through the air supply pipe 12, so as to pressurize the inside of the hot melting furnace 2 and drive the inside of the hot melting furnace 2 to be at a certain temperature and pressure; after the glass is melted into glass liquid, the valve on the discharge pipe 17 is opened. Since the pressure pump 11 transports air to the inside of the hot melting furnace 2, the pressure inside the hot melting furnace 2 is relatively large, so that the glass liquid can be quickly discharged through the discharge pipe 17.

[0039] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A natural gas kiln combustion control system for producing glass, comprising an insulation box (1), a hot melt furnace (2) is arranged inside the insulation box (1), a feed port (3) is fixedly installed on the top of the insulation box (1) and the top of the hot melt furnace (2), and the feed port (3) is communicated with the inside of the hot melt furnace (2), a fixing plate (29) is fixedly installed on the inner wall of the insulation box (1), a combustion stove (4) is fixedly installed on the top of the fixing plate (29), and the top of the combustion stove (4) is fixedly installed on the bottom outer wall of the hot melt furnace (2), characterized in that: Also includes: An air pressure regulating assembly installed on the heat preservation box (1) and the hot melting furnace (2), and used to regulate the pressure inside the hot melting furnace (2); A combustion assembly installed on the heat preservation box (1) and the combustion stove (4), and used to control the combustion speed through the combustion assembly; A sealing structure is installed on the feed port (3), and a driving component and a limiting component are arranged on the outside of the sealing structure. The driving component and the limiting component are used to drive the feed port (3) of the sealing structure to open and close.

2. A natural gas furnace combustion control system for glass production according to claim 1, characterized in that: The air pressure regulating assembly comprises a pressure pump (11), an air supply pipe (12), an air extraction pipe (13), an exhaust pipe (15) and a smoke exhaust pipe (16); the pressure pump (11) is fixedly mounted on the top outer wall of the heat preservation box (1); one end of the air supply pipe (12) is fixedly connected to the input end of the pressure pump (11); the other end of the air supply pipe (12) passes through the top of the heat preservation box (1), the top of the hot melting furnace (2) and communicates with the interior of the hot melting furnace (2); one end of the air extraction pipe (13) is fixedly connected to the input end of the pressure pump (11).

3. A natural gas furnace combustion control system for glass production according to claim 2, characterized in that: A lifting plate (5) is slidably mounted on the inner wall of the heat preservation box (1), and four groups of moving wheels (6) are slidably mounted on the bottom of the lifting plate (5), and the four groups of moving wheels (6) are arranged in a ring array. Two-way threaded rods (7) are rotatably mounted on both sides of the heat preservation box (1), and threaded blocks (8) are threadedly mounted on the outer walls of the two-way threaded rods (7). Push rods (9) are hingedly mounted on the bottom of the threaded blocks (8) and the top of the lifting plate (5), and there are two groups of threaded blocks (8) and push rods (9) and they are arranged symmetrically on the left and right. Knobs (10) are fixedly mounted on both ends of the two-way threaded rods (7).

4. A natural gas furnace combustion control system for glass production according to claim 3, characterized in that: The combustion assembly comprises a gas pipe (18), a gas pump (19), an air pipe (21), and an air pump (22); the gas pipe (18) is fixedly mounted on one side of the heat preservation box (1) and one side of the hot melting furnace (2), and the gas pipe (18) is fixedly mounted on the outer wall of the combustion stove (4); the gas pump (19) is fixedly connected to the gas pipe (18); the air pipe (21) is fixedly mounted on the front side of the heat preservation box (1), the front side of the hot melting furnace (2), and the front side of the combustion stove (4); the air pump (22) is fixedly connected to the air pipe (21), and the gas pipe (18) is fixedly connected to a branch pipe (181); the branch pipe (181) passes through the combustion stove (4) and extends to the interior of the combustion stove (4); one end of the air pipe (21) is located inside the combustion stove (4).

5. A natural gas furnace combustion control system for glass production according to claim 4, characterized in that: The sealing structure comprises a first rotating shaft (23), a first sealing plate (24), a second rotating shaft (30) and a second sealing plate (31); the first sealing plate (24) is fixedly mounted on the outer wall of the first rotating shaft (23); the second sealing plate (31) is fixedly mounted on the outer wall of the second rotating shaft (30); the first rotating shaft (23) and the second rotating shaft (30) are both rotatably mounted on the front and rear sides of the thermal insulation box (1); and the first rotating shaft (23), the first sealing plate (24), the second rotating shaft (30) and the second sealing plate (31) are each provided in two groups and are arranged in a left-right symmetrical manner.

6. A natural gas furnace combustion control system for glass production according to claim 5, characterized in that: The driving assembly comprises an electric telescopic rod (32), a U-shaped rack (33) and a gear (34); the electric telescopic rod (32) is fixedly mounted on the top outer wall of the thermal insulation box (1); the U-shaped rack (33) is fixedly mounted on the free end of the electric telescopic rod (32); two groups of gears (34) are respectively fixedly mounted on the outer walls of two groups of second rotating shafts (30); and the U-shaped racks (33) are meshed with the two groups of gears (34).

7. A natural gas furnace combustion control system for glass production according to claim 6, characterized in that: The limiting assembly comprises a hollow box (25), an L-shaped plug rod (26), a fixed block (27) and a push spring (28); the hollow box (25) is fixedly mounted on the top of a group of first sealing plates (24); the fixed block (27) is fixedly mounted on the top of another group of first sealing plates (24); a slide groove is provided on the top of the hollow box (25); a movable opening is provided on one side of the hollow box (25); a clamping groove is provided on the fixed block (27); the L-shaped plug rod (26) is slidably mounted in the slide groove and the movable opening; one end of the L-shaped plug rod (26) extends into the clamping groove; and the push spring (28) is located inside the hollow box (25).

8. A natural gas furnace combustion control system for glass production according to claim 7, characterized in that: The exhaust pipe (15), smoke exhaust pipe (16) and material discharge pipe (17) are all provided with solenoid valves.

9. A natural gas furnace combustion control system for glass production according to claim 8, characterized in that: A gas meter (20) is provided on the gas pipe (18), and a temperature and pressure sensor (14) is provided on one side of the hot melting furnace (2).

10. A natural gas furnace combustion control system for glass production according to claim 9, characterized in that: A control panel (35) is provided on the front side of the heat preservation box (1), and an igniter is provided on the inner wall of the combustion stove (4).