CN117286329A - Continuous annealing furnace - Google Patents

Abstract

The invention discloses a continuous annealing furnace, which comprises a furnace body, wherein a fixed base is arranged at the bottom end of the furnace body, a temperature display is arranged on one side wall of the furnace body, a buzzer is arranged on one side of the temperature display, a touch control integrated machine is arranged below the temperature display, four flue gas purifying machines are arranged on two sides of the furnace body in total, and an air supply valve is fixed on one side of the flue gas purifying machine. The beneficial effects are that: the electric sealing door through setting up carries out self-closing heat preservation, utilizes flue gas cleaner and air extraction tank to carry out gaseous impurity simultaneously and draws out the purification, avoids poisonous gas to fly away to the workshop and is inhaled by the staff to the security when having improved the device use, carries out temperature automatic monitoring through buzzer, temperature controller, combustor, high temperature heater and the air heater that sets up to different bins, reports to the police when the temperature is not up to standard and reminds, thereby has improved the processingquality of annealing stove.

Description

A continuous annealing furnace

Technical field

The invention relates to the technical field of annealing furnaces, and in particular to a continuous annealing furnace.

technical background

The heat treatment furnace is divided into annealing furnace, quenching furnace, tempering furnace, normalizing furnace and quenching and tempering furnace. It is mainly used for annealing of large carbon steel, alloy steel parts and steel strips; tempering of surface quenching parts; stress relief annealing and aging of welded parts, etc. Heat treatment process. Heating methods include electric heating, oil, gas, coal, and hot air circulation. The annealing furnace is a new type of heat exchange equipment.

Although existing continuous annealing furnaces can perform good annealing functions, most of them do not have the function of collecting and purifying exhaust gases and preventing heat dissipation. When the furnace doors on both sides are opened, the toxic gases generated during annealing can easily escape. At the same time, with the heat, workers can easily cause harm to the body after long-term inhalation, thereby reducing the safety of the device. Secondly, the existing continuous annealing furnace is difficult to monitor and control the annealing temperature at different stages in real time. If the temperature occurs It cannot be reminded immediately when it is insufficient, thus reducing the processing quality of the device. Therefore, a new type of continuous annealing furnace is urgently needed to solve these problems.

Contents of the invention

The purpose of the present invention is to provide a continuous annealing furnace in order to solve the above problems.

The present invention achieves the above objects through the following technical solutions:

A continuous annealing furnace includes a furnace body. A fixed base is arranged at the bottom of the furnace body. A temperature display is provided on one side wall of the furnace body. A buzzer is provided on one side of the temperature display. The temperature display There is a touch-control integrated machine below. A total of four flue gas purifiers are installed on both sides of the furnace body. An air supply valve is fixed on one side of the flue gas purifier. A gas supply valve is installed on one side of the flue gas purifier. Two connecting pipes. One end of the connecting pipe is connected to an exhaust slot. An electric control box is provided on the other side of the flue gas purifier. A discharge port is provided on the other side wall of the furnace body. The upper end of the furnace body An air inlet is installed on one side, and transmission rollers are arranged equidistantly between the furnace bodies. A chain belt is installed on one side wall of the transmission rollers. One end of the chain belt is connected to a drive motor. The furnace body is provided with A high-temperature heating chamber. A constant-temperature heating chamber is provided on one side of the high-temperature heating chamber. A cooling chamber is provided on one side of the constant-temperature heating chamber. A partition wall is symmetrically installed inside the furnace. Two burners are installed on the high-temperature heating chamber. , a high-temperature heater is installed in the constant-temperature heating chamber, a heater is installed in the constant-temperature heating chamber, three temperature controllers are installed in the furnace body, and electric closing doors are installed on both sides of the furnace body. Frames are installed on both sides of the furnace body, and a conveyor frame is installed on the frame.

Further, the fixed base is bolted to the furnace body, and the temperature display is connected to the furnace body slot.

By adopting the above technical solution, the fixed base can firmly support the furnace body, and the temperature display can clearly display different temperature values.

Further, the buzzer is bolted to the furnace body, and the touch integrated machine is bolted to the furnace body.

By adopting the above technical solution, the buzzer can perform alarm processing when abnormality occurs, and the touch-integrated machine can control the opening and closing of each device.

Further, the flue gas purifier is bolted to the furnace body, and the connecting pipe is threaded to both the flue gas purifier and the exhaust trough.

By adopting the above technical solution, the flue gas purifier can purify the exhaust gas extracted from the exhaust slot through the connecting pipe.

Further, the gas supply valve penetrates the furnace body and is connected to the burner flange, and the electric control box is welded to the furnace body.

By adopting the above technical solution, the gas supply valve can be connected to an external gas supply pipeline to realize the supply of gas to the burner.

Further, the air inlet is formed on the furnace body, and the discharge port is formed on the furnace body.

By adopting the above technical solution, the air inlet facilitates continuous air intake of the constant temperature heating chamber.

Further, the transmission roller is rotatably connected to the furnace body, the chain belt is meshed with the transmission roller, and the output end of the driving motor is meshed with the chain belt.

By adopting the above technical solution, the driving motor can drive the transmission roller to rotate synchronously through the chain belt.

Further, the high-temperature heating chamber is formed on the furnace body, the constant-temperature heating chamber is formed on the furnace body, and the constant-temperature heating chamber is formed on the furnace body.

By adopting the above technical solution, the high-temperature heating chamber can heat the steel strip, and the constant-temperature heating chamber can insulate the steel strip.

Further, the partition wall is welded to the furnace body, the burner is bolted to the furnace body, and the high-temperature heater is bolted to the furnace body.

By adopting the above technical solution, the partition wall acts as a partition, and the burner continuously heats the surface of the steel strip.

Further, the heater is bolted to the furnace body, the thermostat is bolted to the furnace body, the electric closing door is bolted to the furnace body, and the frame is bolted to the furnace body. Welding, the conveyor frame is bolted to the frame body.

By adopting the above technical solution, the high-temperature heater can avoid the rapid attenuation of the temperature of the steel strip and slowly decrease the temperature of the steel strip. The heater can cool the steel strip, and the thermostat can monitor different warehouses in real time. temperature, the electric closing door can be automatically closed, and the conveyor rack facilitates the input and output of steel strips.

The specific working principle is: when in use, the device is connected to the power supply, the gas supply valve is connected to the external gas pipeline, and then the steel belt is transported in from one end of the furnace body, and the drive motor drives the furnace through the chain belt. The transfer roller rotates to realize automatic transmission of the steel strip, and then controlled by the touch-control integrated machine, the burner starts high-temperature combustion and heating, and then the high-temperature heater irradiates the steel strip and keeps it warm, so that the steel strip The temperature gradually decreases, and at the same time, the exhaust trough extracts the exhaust gas on both sides of the furnace body into the flue gas purifier. The flue gas purifier purifies the exhaust gas to prevent impurities and gases in the air from leaking. At the same time, It also ensures that the air in the working environment is clean and fresh. Finally, the heater further cools down the temperature, and the temperature controller automatically controls the temperature in the high-temperature heating chamber, the constant-temperature heating chamber and the constant-temperature heating chamber in real time. Monitoring, if the temperature is not enough, the buzzer will automatically alarm and feedback, so that the annealing furnace can be used safely and ensure high-quality high-temperature annealing processing of steel strips.

The beneficial effects of the present invention are:

1. The electric closed door is automatically closed for heat preservation. At the same time, the flue gas purifier and exhaust trough are used to extract and purify gas impurities to prevent toxic gases from floating into the work workshop and being inhaled by workers, thereby improving the safety of the device. ;

2. By setting up buzzers, thermostats, burners, high-temperature heaters and heaters, the temperatures in different warehouses are automatically monitored, and an alarm is issued when the temperature does not reach the standard, thus improving the processing quality of the annealing furnace.

Description of drawings

Figure 1 is a front view of a continuous annealing furnace according to the present invention;

Figure 2 is a main cross-sectional view of the furnace body in a continuous annealing furnace according to the present invention;

Figure 3 is an enlarged view of position A in Figure 1 in a continuous annealing furnace according to the present invention;

Figure 4 is a circuit block diagram of a continuous annealing furnace according to the present invention.

The reference symbols are explained as follows:

1. Furnace body; 2. Flue gas purifier; 3. Thermostat; 4. Heater; 5. Fixed base; 6. Touch-control integrated machine; 7. Temperature display; 8. Buzzer; 9. Connecting pipe ; 10. Exhaust trough; 11. Transfer roller; 12. Chain belt; 13. Drive motor; 14. High temperature heating chamber; 15. Constant temperature heating chamber; 16. Cooling chamber; 17. Burner; 18. Air supply valve; 19 , high temperature heater; 20. Air inlet; 21. Discharge port; 22. Electric control box; 23. Partition wall; 24. Electric closed door; 25. Frame body; 26. Conveyor rack.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings:

As shown in Figures 1 to 4, a continuous annealing furnace includes a furnace body. A fixed base 5 is installed at the bottom end of the furnace body 1. Three temperature displays 7 are provided on one side wall of the furnace body 1. A buzzer 8 is provided on one side of the temperature display 7. The buzzer 8 can perform alarm processing in case of abnormality. The touch-control integrated machine 6 can control the opening and closing of each device. A touch-sensitive device is provided below the temperature display 7. The integrated control machine 6 has a flue gas purifier 2 installed on both sides of the furnace body 1. Two air supply valves 18 are symmetrically arranged on one side of the flue gas purifier 2. One side wall of the flue gas purifier 2 Two connecting pipes 9 are installed on the furnace body. One end of the connecting pipe 9 is connected to an exhaust slot 10. An electric control box 22 is provided on the other side of the flue gas purifier 2. An electric control box 22 is provided on the other side of the furnace body 1. Discharge port 21, an air inlet 20 is installed on one side of the upper end of the furnace body 1, a transmission roller 11 is arranged in the furnace body 1, a chain belt 12 is installed on one side wall of the transmission roller 11, the chain One end of the belt 12 is connected to a driving motor 13. A high-temperature heating chamber 14 is provided in the furnace body 1. A constant-temperature heating chamber 15 is provided on one side of the high-temperature heating chamber 14. A cooling chamber 16 is provided on one side of the constant-temperature heating chamber 15. , four partitions 23 are symmetrically installed in the furnace body 1, two burners 17 are installed in the high-temperature heating chamber 14, and a high-temperature heater 19 is installed in the constant-temperature heating chamber 15. The high-temperature heater 19 It can avoid the rapid attenuation of the temperature of the steel strip and make the temperature of the steel strip drop slowly. The heater 4 cools down the steel strip. The thermostat 3 can monitor the temperature of different warehouses in real time. When the electric closed door After 24 is closed, heat dissipation can be avoided. At the same time, the opening height can be freely controlled. A heater 4 is provided in the constant temperature heating chamber 16. Three thermostats 3 are installed in the high temperature heating chamber 14 and the furnace body 1. Electric closing doors 24 are installed on both sides of the furnace body 1. Frames 25 are installed on both sides of the furnace body 1. A conveyor frame 26 is installed on the frame 25. The electric closing doors 24 are connected to the furnace body 1. The furnace body 1 is connected with bolts, the frame body 5 is welded with the furnace body 1, and the transport frame 26 is connected with the frame body 25 with bolts.

In this embodiment, the fixed base 5 is bolted to the furnace body 1, and the temperature display 7 is connected to a slot of the furnace body 1. The fixed base 5 can firmly support the furnace body 1. The temperature display 7 can clearly display different temperature values.

In this embodiment, the buzzer 8 is bolted to the furnace body 1, and the touch all-in-one machine 6 is bolted to the furnace body 1. The buzzer 8 can perform alarm processing in case of abnormality. The touch-integrated machine 6 can control the opening and closing of each device.

In this embodiment, the flue gas purifier 2 is bolted to the furnace body 1, and the connecting pipe 9 is threadedly connected to the flue gas purifier 2 and the exhaust trough 10. 2. The exhaust gas extracted from the exhaust slot 10 can be purified through the connecting pipe 9.

In this embodiment, the gas supply valve 18 penetrates the furnace body 1 and is flange-connected to the burner 17. The electric control box 22 is welded to the furnace body 1. The gas supply valve 18 can be connected to the outside. The gas supply pipeline realizes the supply of gas to the burner 17.

In this embodiment, the air inlet 20 is formed on the furnace body 1, and the discharge port 21 is formed on the furnace body 1. The air inlet 20 facilitates the continuous operation of the constant temperature heating chamber 16. Into the wind.

In this embodiment, the transmission roller 11 is rotationally connected to the furnace body 1, the chain belt 12 is meshed with the transmission roller 11, and the output end of the driving motor 13 is meshed with the chain belt 12. The driving motor 13 can drive the transmission roller 11 to rotate synchronously through the chain belt 12 .

In this embodiment, the high-temperature heating chamber 14 is formed on the furnace body 1, the constant-temperature heating chamber 15 is formed on the furnace body 1, and the constant-temperature heating chamber 16 is formed on the furnace body 1. The high-temperature heating chamber 14 can heat the steel strip, and the constant-temperature heating chamber 15 can keep the steel strip warm.

In this embodiment, the partition plate 23 is welded to the furnace body 1, and the burner 17 is bolted to the furnace body 1. The partition plate 23 functions as a partition, and the burner 17 The belt surface is continuously heated, the electric closing door 24 is bolted to the furnace body 1, the frame body 5 is welded to the furnace body 1, and the transport frame 26 is bolted to the frame body 25.

In this embodiment, the high-temperature heater 19 is bolted to the furnace body 1, the heater 4 is bolted to the furnace body 1, the thermostat 3 is bolted to the furnace body 1, so The high-temperature heater 19 can prevent the temperature of the steel strip from rapidly attenuating and causing the temperature of the steel strip to drop slowly. The heater 4 cools the steel strip, and the thermostat 3 can monitor the temperatures of different warehouses in real time.

The specific working principle is: when in use, first connect the device to the power supply, connect the gas supply valve 18 to the external gas pipeline, and then transport the steel coil in from one end of the furnace body 1, and the drive motor 13 passes through the The chain belt 12 drives the transfer roller 11 to rotate to realize automatic transmission of the steel strip. Then, under the control of the touch all-in-one machine 6, the burner 17 starts high-temperature combustion and heating, and then the high-temperature heater 19 heats the steel strip. The belt is irradiated and insulated to gradually reduce the temperature of the steel belt. At the same time, the exhaust trough 10 extracts the exhaust gas on both sides of the furnace body 1 into the flue gas purifier 2, and the flue gas purifier 2 removes the exhaust gas. Purification treatment prevents impurities and gases in the air from leaking, while ensuring the cleanness and freshness of the air in the working environment. Finally, the heater 4 further cools down, and the thermostat 3 automatically controls the high-temperature heating chamber 14, The temperatures in the constant temperature heating chamber 15 and the constant temperature heating chamber 16 are monitored in real time. If the temperature is not enough, the buzzer 8 will automatically alarm and feedback, so that the annealing furnace can be used safely and ensure the high quality and high temperature of the steel strip. Annealing processing.

The specific working principle is: when in use, first connect the device to the external power supply, connect the connecting valve 18 to the external gas pipeline, and then transport the steel belt in from one end of the chassis 1, and then the electric closing door 24 automatically closes and approaches. The drive motor 13 drives the roller 11 to rotate through the chain belt 12 to realize automatic transmission of the steel strip. Then, it is controlled by the touch integrated machine 6, and the burner 17 starts high-temperature combustion and heating, and then The high-temperature heater 19 continuously insulates the steel strip, and the insulation temperature is maintained between 750 degrees and 800 degrees, so that the temperature of the steel strip gradually decreases. At the same time, the exhaust slot 10 extracts the exhaust gas on both sides of the chassis 1 to the flue gas purifier 2. The flue gas purifier 2 purifies the exhaust gas to avoid leakage of impurities and gases in the air, and at the same time ensures the cleanness and freshness of the air in the working environment. Finally, the heater 4 For further cooling, the temperature controller 3 automatically monitors the temperatures in the heating chamber 14 , the constant temperature heating chamber 15 and the constant temperature heating chamber 16 in real time. If the temperature is not enough, the buzzer 8 Automatic alarm feedback enables safe use of the annealing furnace and ensures high-quality high-temperature annealing processing of steel strips.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have other aspects. Various changes and modifications are possible, which fall within the scope of the claimed invention.

Claims (10)

1. A continuous annealing furnace, characterized in that: including furnace body (1), unable adjustment base (5) have been laid to furnace body (1) bottom, be provided with temperature display (7) on furnace body (1) lateral wall, temperature display (7) one side is provided with bee calling organ (8), temperature display (7) below is provided with touch-control all-in-one (6), four flue gas cleaning machines (2) are installed altogether to furnace body (1) both sides, flue gas cleaning machines (2) one side is fixed with air supply valve (18), two connecting pipes (9) are installed on flue gas cleaning machines (2) lateral wall, connecting pipe (9) one end is connected with exhaust column (10), flue gas cleaning machines (2) opposite side is provided with electric cabinet (22), be provided with discharge gate (21) on furnace body (1) another lateral wall, air inlet (20) are installed to furnace body (1) upper end one side, equidistance is arranged between furnace body (1) and is had transfer roller (11), install chain belt (12) on one side wall, chain belt (12) one end is connected with air supply valve (13), be provided with high temperature cabin (14) one side (16) heating cabin (14) one side, one side of the cabin (16) is provided with high temperature cabin (16), partition wall (23) are installed to symmetry in furnace body (1), two combustors (17) are installed in high temperature heating storehouse (14), install high temperature heater (19) in constant temperature heating storehouse (15), be provided with electric fan heater (4) in cooling storehouse (16), install three temperature controller (3) in furnace body (1), all install electronic closing door (24) on furnace body (1) both sides wall, support body (25) are all installed to furnace body (1) both sides, install carriage (26) on support body (25).

2. A continuous annealing furnace according to claim 1, wherein: the fixed base (5) is connected with the furnace body (1) through bolts, and the temperature display (7) is connected with the clamping groove of the furnace body (1).

3. A continuous annealing furnace according to claim 1, wherein: the buzzer (8) is connected with the furnace body (1) through bolts, and the touch control integrated machine (6) is connected with the furnace body (1) through bolts.

4. A continuous annealing furnace according to claim 1, wherein: the flue gas cleaner (2) is in bolted connection with the furnace body (1), and the connecting pipe (9) is in threaded connection with the flue gas cleaner (2) and the exhaust groove (10).

5. A continuous annealing furnace according to claim 1, wherein: the air supply valve (18) penetrates through the furnace body (1) and is in flange connection with the burner (17), and the electric control box (22) is welded with the furnace body (1).

6. A continuous annealing furnace according to claim 1, wherein: the air inlet (20) is formed on the furnace body (1), and the discharge port (21) is formed on the furnace body (1).

7. A continuous annealing furnace according to claim 1, wherein: the conveying roller (11) is rotatably connected with the furnace body (1), the chain belt (12) is meshed with the conveying roller (11), and the output end of the driving motor (13) is meshed with the chain belt (12).

8. A continuous annealing furnace according to claim 1, wherein: the high-temperature heating bin (14) is formed on the furnace body (1), the constant-temperature heating bin (15) is formed on the furnace body (1), and the cooling bin (16) is formed on the furnace body (1).

9. A continuous annealing furnace according to claim 1, wherein: the separation wall (23) is welded with the furnace body (1), and the burner (17) is connected with the furnace body (1) through bolts.

10. A continuous annealing furnace according to claim 1, wherein: the high-temperature heater (19) is in bolted connection with the furnace body (1), the warm air blower (4) is in bolted connection with the furnace body (1), the temperature controller (3) is in bolted connection with the furnace body (1), the electric sealing door (24) is in bolted connection with the furnace body (1), the support body (5) is in welded connection with the furnace body (1), and the conveying frame (26) is in bolted connection with the support body (25).