Intelligent combustion system special for hot galvanizing process

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By designing the cleaning, combustion and ventilation mechanism of the intelligent combustion system in the galvanized furnace, the problem of carbon deposits at the bottom of the galvanized furnace affecting heating efficiency is solved, and the effect of improving heat conduction efficiency and reducing energy consumption is achieved.

CN222578972UActive Publication Date: 2025-03-07SHANDONG CHENGZE METAL TECH CO LTD

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Patent Information

Application Number: CN202420654329.9
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-04-01
Publication Date: 2025-03-07
Estimated Expiration: 2034-04-01

AI Technical Summary

Technical Problem

Carbon deposits at the bottom of existing galvanized furnaces seriously affect heating efficiency, resulting in reduced heat conduction efficiency, longer heating time and waste of energy.

Method used

Design an intelligent combustion system, including cleaning mechanism, combustion mechanism and ventilation mechanism. The cleaning mechanism moves in the combustion chamber through the scraper and push plate. The scraper scrapes away the carbon deposit at the bottom of the inner furnace body, and the push plate simultaneously discharges the carbon deposit. The combustion mechanism burns through the fuel pipe and the burner, and the ventilation mechanism drives the air to assist combustion through the air wheel and the motor.

Benefits of technology

It effectively avoids the problem of carbon deposits at the bottom of the galvanized furnace affecting heating efficiency, improves heat conduction efficiency, shortens heating time, and reduces energy consumption.

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Abstract

The utility model relates to the technical field of hot galvanizing, in particular to an intelligent combustion system special for a hot galvanizing process, which comprises an outer furnace body and an inner furnace body arranged in the outer furnace body, a combustion chamber is reserved between the outer furnace body and the inner furnace body, and a combustion mechanism for heating the inner furnace body is arranged in the combustion chamber. The combustion mechanism penetrates through the outer furnace body and extends to the outside, a ventilation mechanism installed in the outer furnace body is arranged in the middle of the combustion mechanism, one end of the ventilation mechanism extends to the outside of the outer furnace body, and a cleaning mechanism used for scraping away carbon deposition at the bottom of the inner furnace body is further arranged in the combustion chamber. According to the intelligent combustion system special for the hot galvanizing process, the problem that the heating efficiency is seriously affected by carbon deposition at the bottom of a galvanizing furnace can be avoided, the carbon deposition can be conveniently cleaned out, energy consumption can be reduced, meanwhile, the temperature can be better controlled, and it is ensured that the intelligent combustion system can be smoothly applied to the process or production when needed.

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Description

Technical Field

[0001] The utility model relates to the technical field of hot-dip galvanizing, in particular to an intelligent combustion system specially used in the hot-dip galvanizing process. Background Art

[0002] At present, after the existing galvanizing furnace has been subjected to long-term combustion and heating, if the fuel at the bottom of the galvanizing furnace is not completely burned, that is, there is a lack of sufficient oxygen during the combustion process, the carbon produced by the combustion will not be completely oxidized, generating carbon smoke and carbon deposits, some of which will adhere to the bottom of the furnace, thereby reducing the heat conduction efficiency of subsequent combustion and heating, prolonging the heating time, and causing energy waste. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides an intelligent combustion system specially used for hot-dip galvanizing process, which solves the technical problem that carbon deposits at the bottom of the existing galvanizing furnace seriously affect the heating efficiency.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: an intelligent combustion system dedicated to hot-dip galvanizing process, comprising an outer furnace body and an inner furnace body arranged inside the outer furnace body, a combustion chamber is left between the outer furnace body and the inner furnace body, a combustion mechanism for heating the inner furnace body is arranged in the combustion chamber, the combustion mechanism penetrates the outer furnace body and extends to the outside, a ventilation mechanism installed in the outer furnace body is arranged in the middle position of the combustion mechanism, one end of the ventilation mechanism extends to the outside of the outer furnace body, and a cleaning mechanism for scraping carbon deposits at the bottom of the inner furnace body is also arranged in the combustion chamber;

[0005] The cleaning mechanism includes a screw assembly installed at the bottom of the inner furnace body, a scraper is spirally connected to the screw assembly, both ends of the scraper are respectively mounted on two guide rods, the two guide rods are fixedly connected to the inner side of the outer furnace body, and a push plate is fixed below the scraper and is attached to the inner bottom surface of the outer furnace body.

[0006] Preferably, the screw assembly includes a second motor installed on the outer wall of the outer furnace body, the output shaft of the second motor is fixedly connected to one end of a linear screw rotatably connected to the inner side of the outer furnace body, and the linear screw is connected to the scraper spirally.

[0007] Preferably, the combustion mechanism includes a fuel pipe, one end of which is connected to two connecting pipes through a three-way valve, the two connecting pipes extend to the interior of the outer furnace body and are connected to the two combustion pipes, and a plurality of equidistantly distributed burners are installed on the two combustion pipes.

[0008] Preferably, the ventilation mechanism includes a ventilation duct, which is installed inside the outer furnace body. One end of the ventilation duct extends to the outside of the outer furnace body and is provided with a wind wheel rotatably therein. The wind wheel is fixedly connected to an output shaft of a motor installed on the outer wall of the ventilation duct. An air inlet is provided at a position of the ventilation duct close to the wind wheel, a dustproof net is installed at the air inlet, and a plurality of equally spaced air outlets are provided on both side walls of the ventilation duct.

[0009] Preferably, a controller is installed on the outer wall of the outer furnace body, and the controller is electrically connected to a temperature sensor installed on the inner side of the inner furnace body and a solenoid valve installed on the fuel pipe.

[0010] Preferably, a ash discharge door is provided on one side of the outer furnace body close to the bottom.

[0011] By means of the above technical solution, the utility model provides an intelligent combustion system dedicated to hot-dip galvanizing process, which has at least the following beneficial effects:

[0012] 1. This intelligent combustion system specially used for hot-dip galvanizing process is equipped with a cleaning mechanism. The scraper and push plate move in the combustion chamber. The scraper scrapes off the carbon deposits at the bottom of the inner furnace body, and then the push plate discharges all the carbon deposits from the ash discharge door simultaneously. This can avoid the problem of carbon deposits at the bottom of the galvanizing furnace seriously affecting the heating efficiency, and it is also convenient to clean out the carbon deposits.

[0013] 2. This intelligent combustion system specially used for hot-dip galvanizing process is equipped with a controller, a temperature sensor and a solenoid valve. When the temperature for zinc melting is reached, the controller is used to operate the solenoid valve to reduce the amount of gas, thereby reducing the firepower to maintain the zinc in a molten state, which can reduce energy consumption and better control the temperature to ensure that it can be smoothly applied to the process or production when needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the outer furnace body of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the utility model after the outer furnace body is cut away;

[0018] Figure 4 It is a structural schematic diagram of the combustion mechanism and ventilation mechanism of the utility model;

[0019] Figure 5 It is a structural schematic diagram of a partial cross-section of one end of the ventilation pipe of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the cleaning mechanism of the utility model.

[0021] Reference numerals:

[0022] 1. Outer furnace body; 2. Inner furnace body; 3. Combustion mechanism; 31. Fuel pipe; 32. Three-way valve; 33. Connecting pipe; 34. Combustion pipe; 35. Burner nozzle; 36. Solenoid valve; 4. Ventilation mechanism; 41. Ventilation pipe; 42. Wind wheel; 43. Motor 1; 44. Dust screen; 45. Air outlet; 5. Cleaning mechanism; 51. Motor 2; 52. Linear screw; 53. Scraper; 54. Guide rod; 55. Push plate; 6. Controller; 7. Temperature sensor; 8. Ash discharge door. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The combustion system of the hot-dip galvanizing process is a combustion system designed for the hot-dip galvanizing process. It realizes precise control and optimization of the combustion process through intelligent control technology. The intelligent combustion system can improve production efficiency, reduce energy consumption, and ensure product quality. However, if the fuel at the bottom of the existing galvanizing furnace is not completely burned, carbon deposits will be generated at the bottom of the galvanizing furnace, and part of the carbon deposits will adhere to the bottom of the furnace, thereby reducing the heat conduction efficiency of subsequent combustion heating, prolonging the heating time, and causing energy waste.

[0025] Embodiment 1:

[0026] Based on the technical defects of the existing technology that carbon deposits on the bottom of the galvanizing furnace affect the heating efficiency and conduction, please refer to Figure 1-Figure 6The utility model provides an intelligent combustion system specially used for hot-dip galvanizing process, which uses a cleaning mechanism 5 to scrape off the carbon deposits at the bottom of the inner furnace body 2, thereby avoiding the problem of affecting the heating efficiency due to the existence of carbon deposits. The system includes an outer furnace body 1 and an inner furnace body 2 arranged inside the outer furnace body 1, a combustion chamber is left between the outer furnace body 1 and the inner furnace body 2, and a combustion mechanism 3 for heating the inner furnace body 2 is arranged in the combustion chamber. The combustion mechanism 3 penetrates the outer furnace body 1 and extends to the outside, and a combustion mechanism 3 is installed in the middle position of the combustion mechanism 3. A ventilation mechanism 4, one end of which extends to the outside of the outer furnace body 1, and a cleaning mechanism 5 for scraping off carbon deposits at the bottom of the inner furnace body 2 is also provided in the combustion chamber; external combustion gas enters the combustion mechanism 3, and under the action of the ventilation mechanism 4, external air is introduced into the combustion chamber to provide a combustion-supporting effect for the combustion mechanism 3, and finally, under the action of the cleaning mechanism 5, a scraper 53 and a push plate 55 are moved in the combustion chamber, and the scraper 53 scrapes off the carbon deposits at the bottom of the inner furnace body 2, and then all the carbon deposits are discharged from the ash discharge door 8 through the push plate 55 at the same time.

[0027] In order to solve the problem of carbon deposits generated by incomplete combustion of the fuel at the bottom of the inner furnace body 2, a cleaning mechanism 5 is provided to scrape it off, and the cleaning mechanism 5 includes a screw assembly installed at the bottom of the inner furnace body 2, and a scraper 53 is spirally connected to the screw assembly, and the two ends of the scraper 53 are respectively mounted on two guide rods 54, and the two guide rods 54 are fixedly connected to the inner side of the outer furnace body 1, and a push plate 55 is fixedly provided below the scraper 53 and is attached to the inner bottom surface of the outer furnace body 1.

[0028] Specifically, in order to facilitate the driving of the scraper 53 to move at the bottom of the inner furnace body 2, a screw assembly is set up to drive the scraper 53 to move, and the screw assembly includes a motor 2 51 installed on the outer wall of the outer furnace body 1, and the output shaft of the motor 2 51 is fixedly connected to one end of a linear screw 52 rotatably connected to the inner side of the outer furnace body 1, and the linear screw 52 is spirally connected to the scraper 53.

[0029] Furthermore, in order to solve the heating problem of the inner furnace body 2, a combustion mechanism 3 is set, and the combustion mechanism 3 includes a fuel pipe 31, one end of the fuel pipe 31 is connected to two connecting pipes 33 through a three-way valve 32, and the two connecting pipes 33 extend to the inside of the outer furnace body 1 and are connected to two combustion tubes 34, and a plurality of equidistantly distributed burners 35 are installed on the two combustion tubes 34.

[0030] Furthermore, a certain amount of air is required to assist the combustion of the fuel, so a ventilation mechanism 4 is designed to introduce external air into the combustion chamber, and the ventilation mechanism 4 includes a ventilation pipe 41, which is installed inside the outer furnace body 1. One end of the ventilation pipe 41 extends to the outside of the outer furnace body 1 and a wind wheel 42 is rotatably arranged inside the ventilation pipe 41. The wind wheel 42 is fixedly connected to the output shaft of a motor 43 installed on the outer wall of the ventilation pipe 41. An air inlet is opened at a position of the ventilation pipe 41 near the wind wheel 42, and a dustproof net 44 is installed at the air inlet. A plurality of equally spaced air outlets 45 are provided on the two side walls of the ventilation pipe 41.

[0031] Furthermore, in order to discharge the cleaned carbon deposits, a dust discharge door 8 is provided on one side of the outer furnace body 1 near the bottom, so that the carbon deposits can be discharged from the inside and can be easily cleaned.

[0032] According to the embodiment, external combustion gas enters into the combustion tube 34, and enters into the combustion tube 34 along the combustion tube 34, the three-way valve 32 and the connecting tube 33, and starts to ignite under the action of the burner 35. At the same time, under the action of the ventilation mechanism 4, the motor 1 43 starts and drives the wind wheel 42 to rotate. The wind wheel 42 sends the outside air into the ventilation tube 41, and then discharges it from the air outlet 45, thereby providing a combustion-supporting effect for the combustion mechanism 3. Finally, under the action of the cleaning mechanism 5, the motor 2 51 is started and drives the linear screw 52 to rotate. The linear screw 52 drives the scraper 53 and the push plate 55 to move horizontally. The scraper 53 and the push plate 55 are used to move in the combustion chamber. The scraper 53 scrapes off the carbon deposits at the bottom of the inner furnace body 2, and then all the carbon deposits are discharged from the ash discharge door 8 synchronously through the push plate 55.

[0033] Embodiment 2:

[0034] When the temperature at which zinc melts is reached, in order to reduce energy consumption, the fire can be turned down to keep the zinc in a molten state. Figure 1 On the basis of the first embodiment, a controller 6 is installed on the outer wall of the outer furnace body 1 , and the controller 6 is electrically connected to a temperature sensor 7 installed on the inner side of the inner furnace body 2 and a solenoid valve 36 installed on the fuel pipe 31 .

[0035] According to the embodiment, the temperature sensor 7 detects whether the zinc melting temperature is reached. When the zinc melting temperature is reached, the controller 6 is used to operate the solenoid valve 36 to reduce the amount of gas, thereby reducing the fire power to maintain the zinc in a molten state.

[0036] Through the above embodiments, it can be known that the use process of the device is as follows: the external gas enters the combustion tube 34, and enters the combustion tube 34 along the combustion tube 34, the three-way valve 32 and the connecting tube 33, and starts to ignite under the action of the burner 35. At the same time, under the action of the ventilation mechanism 4, the motor 1 43 is started and drives the wind wheel 42 to rotate, and the wind wheel 42 sends the external air into the ventilation tube 41, and then discharges it from the air outlet 45, thereby providing a combustion-supporting effect for the combustion mechanism 3. Finally, under the action of the cleaning mechanism 5, the motor 2 51 is started. The linear screw 52 is driven to rotate, and the linear screw 52 drives the scraper 53 and the push plate 55 to move horizontally. The scraper 53 and the push plate 55 are used to move in the combustion chamber. The scraper 53 scrapes off the carbon deposits at the bottom of the inner furnace body 2, and then the push plate 55 discharges all the carbon deposits from the ash discharge door 8 synchronously. During the hot-dip galvanizing process, the temperature sensor 7 detects whether the zinc melting temperature is reached. When the zinc melting temperature is reached, the controller 6 is used to operate the solenoid valve 36 to reduce the gas volume, thereby reducing the firepower to maintain the zinc in a molten state.

[0037] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent combustion system dedicated to hot-dip galvanizing process, comprising an outer furnace body (1) and an inner furnace body (2) arranged inside the outer furnace body (1), a combustion chamber is left between the outer furnace body (1) and the inner furnace body (2), characterized in that: The combustion chamber is provided with a combustion mechanism (3) for heating the inner furnace body (2); the combustion mechanism (3) penetrates the outer furnace body (1) and extends to the outside; a ventilation mechanism (4) installed inside the outer furnace body (1) is provided in the middle of the combustion mechanism (3); one end of the ventilation mechanism (4) extends to the outside of the outer furnace body (1); and a cleaning mechanism (5) for scraping carbon deposits at the bottom of the inner furnace body (2) is also provided in the combustion chamber; The cleaning mechanism (5) comprises a screw assembly installed at the bottom of the inner furnace body (2), a scraper (53) being spirally connected to the screw assembly, two ends of the scraper (53) being respectively sleeved on two guide rods (54), the two guide rods (54) being fixedly connected to the inner side of the outer furnace body (1), and a push plate (55) being fixedly provided below the scraper (53) and being attached to the inner bottom surface of the outer furnace body (1).

2. The intelligent combustion system dedicated to hot dip galvanizing process according to claim 1 is characterized in that: The screw assembly comprises a second motor (51) mounted on the outer wall of the outer furnace body (1); the output shaft of the second motor (51) is fixedly connected to one end of a linear screw (52) rotatably connected to the inner side of the outer furnace body (1); and the linear screw (52) is connected to a scraper (53) by spiral transmission.

3. The intelligent combustion system dedicated to hot dip galvanizing process according to claim 1 is characterized in that: The combustion mechanism (3) comprises a fuel pipe (31), one end of the fuel pipe (31) being connected to two connecting pipes (33) via a three-way valve (32), the two connecting pipes (33) extending into the interior of the outer furnace body (1) and connected to two combustion pipes (34), and a plurality of equidistantly distributed burners (35) being mounted on the two combustion pipes (34).

4. The intelligent combustion system dedicated to hot dip galvanizing process according to claim 1 is characterized in that: The ventilation mechanism (4) comprises a ventilation pipe (41), which is installed inside the outer furnace body (1), one end of the ventilation pipe (41) extends to the outside of the outer furnace body (1) and a wind wheel (42) is rotatably arranged inside the ventilation pipe (41), the wind wheel (42) is fixedly connected to an output shaft of a motor (43) installed on the outer wall of the ventilation pipe (41), an air inlet is opened at a position close to the wind wheel (42), a dustproof net (44) is installed at the air inlet, and a plurality of air outlets (45) distributed at equal distances are arranged on the two side walls of the ventilation pipe (41).

5. The intelligent combustion system dedicated to hot dip galvanizing process according to claim 3 is characterized in that: A controller (6) is installed on the outer wall of the outer furnace body (1), and the controller (6) is electrically connected to a temperature sensor (7) installed on the inner side of the inner furnace body (2) and a solenoid valve (36) installed on the fuel pipe (31).

6. The intelligent combustion system dedicated to hot dip galvanizing process according to claim 1 is characterized in that: A dust discharge door (8) is provided on one side of the outer furnace body (1) close to the bottom.