Steel smelting furnace capable of accurately controlling temperature

Abstract

The steel smelting furnace capable of accurately controlling the temperature comprises a furnace body, a temperature control structure is installed on the furnace body, and the temperature control structure comprises a control device, a setting device, a temperature sensor and an installation groove; the control device is installed on the furnace body, the setting device is installed in the control device, the four installation grooves are formed in a shell of the furnace body and distributed in the four faces of the furnace body, the temperature sensors are installed in the installation grooves, and the temperature sensors correspond to the installation grooves one to one. The control device, the setting device and the temperature sensors are electrically connected, the temperature sensors are installed on the four faces of the furnace body respectively, so that the temperature of the furnace body is detected more comprehensively, and the control device accurately compares the temperature, measured by the temperature sensors, of the furnace body with the required temperature set by the setting device. And then heating operation of the furnace body can be accurately controlled according to a comparison result.

Description

Technical Field

[0001] This patent relates to the field of steelmaking furnaces, specifically a steelmaking furnace that can accurately control temperature. Background Art

[0002] Steelmaking is the process of putting pig iron for steelmaking into a steelmaking furnace and melting it according to a certain process to obtain steel. At present, the industries of various countries are developing rapidly, and the output and quality of steelmaking have gradually become a measure of the level of a country's heavy industry. The commonly used steelmaking furnaces in my country are converters and electric furnaces, which have the characteristics of stable production capacity and mature technology. However, the current steelmaking furnaces need to strictly control the temperature of steelmaking during use, and the steelmaking furnace is not convenient for precise temperature control. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this patent is to provide a steelmaking furnace with precise temperature control to solve the problem that the current steelmaking furnace needs to strictly control the temperature of steelmaking during use, but the steelmaking furnace is not convenient for precise temperature control.

[0004] The technical solution adopted by this patent to solve its technical problem is: a steelmaking furnace capable of precise temperature control, comprising a furnace body, a temperature control structure installed on the furnace body, and the temperature control structure comprising a control device, a setting device, a temperature sensor and a mounting slot;

[0005] The control device is installed on the furnace body, the setting device is installed in the control device, the mounting slots are opened on the outer shell of the furnace body, there are four mounting slots, and the mounting slots are distributed on the four sides of the furnace body. The temperature sensor is installed in the mounting slot, and the temperature sensor corresponds to the mounting slot one by one. The control device, the setting device and the temperature sensor are electrically connected.

[0006] Furthermore, a deodorizing structure is provided on the outside of the furnace body, and the deodorizing structure includes a box body, a hose, an air inlet, a drawer slot, a rubber frame and a filter element;

[0007] The air inlet is provided on the box body, one end of the hose is connected to the air inlet, and the other end of the hose is connected to the furnace port of the furnace body. The extraction slots are provided on the box body, and there are two extraction slots distributed on the side wall of the box body. The filter is inserted into the rubber frame, and the rubber frame is placed in the box body through the extraction slots, and the rubber frame corresponds to the extraction slots one by one.

[0008] A circular groove is provided on the box body, and an exhaust fan is installed in the circular groove.

[0009] Furthermore, a rubber ring is installed in the circular groove, and the exhaust fan is inserted into the rubber ring.

[0010] Furthermore, a handle is installed on the rubber frame, and the handle corresponds to the rubber frame one by one.

[0011] Furthermore, a fixed structure is installed on the furnace body, and there are two fixed structures. The fixed structures are symmetrically distributed on both sides with the center line of the furnace body as the center. The fixed structure includes an ear plate and a mounting hole. The ear plate is installed on the furnace body, and the mounting hole is opened on the ear plate.

[0012] Furthermore, a connecting plate is installed on the box body, and the connecting plate is connected to the furnace body.

[0013] The beneficial effects of this patent are:

[0014] 1. Temperature sensors are installed on the four sides of the furnace body to make the temperature detection of the furnace body more comprehensive. The control device can accurately compare the temperature of the furnace body measured by the temperature sensor with the required temperature set by the setting device, and then accurately control the heating operation of the furnace body according to the comparison result;

[0015] 2. When the furnace body is heating materials, the exhaust fan works and the odor and impurities generated by the combustion at the furnace body outlet are sucked into the box through the hose. The upper filter element can filter the impurities sucked in, and the lower filter element can deodorize the gas, so that clean gas is discharged to avoid causing air pollution in the workshop. The outward-moving handle makes it convenient to pull the rubber frame and the filter element out of the box, making it easy to replace or clean the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the patent structure.

[0017] Figure 2 This is a schematic diagram of the patented control device, setting device and temperature sensor structure.

[0018] Figure 3 This is a schematic diagram of the patented rubber frame, handle and filter structure.

[0019] Explanation of the accompanying reference numerals: 1 furnace body, 2 connecting plate, 3 fixing structure, 4 temperature control structure, 401 control device, 402 setting device, 403 temperature sensor, 404 mounting groove, 5 ear plate, 6 mounting hole, 7 deodorization structure, 8 box body, 9 hose, 10 air inlet hole, 11 extraction groove, 12 rubber frame, 13 handle, 14 filter element, 15 circular groove, 16 exhaust fan, 17 rubber ring. DETAILED DESCRIPTION

[0020] The present invention is further described below with reference to specific embodiments. It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this patent, those skilled in the art may make various changes or modifications to the present invention, and that these equivalent forms also fall within the scope defined by the appended claims.

[0021] See also Figure 1-3 This is a schematic diagram of the structure of the patent, a steelmaking furnace capable of precise temperature control, comprising a furnace body 1, the model of the furnace body 1 is BTZ-15KW, a temperature control structure 4 is installed on the furnace body 1, and the temperature control structure 4 includes a control device 401, a setting device 402, a temperature sensor 403 and a mounting slot 404;

[0022] A control device 401 is mounted on the furnace body 1. The control device 401, the setting device 402, and the temperature sensor 403 constitute a thermostat. The thermostat model is 960 Userise. The setting device 402 is mounted within the control device 401. Four mounting slots 404 are defined on the outer shell of the furnace body 1. The mounting slots 404 are distributed on four sides of the furnace body 1. The temperature sensors 403 are mounted within the mounting slots 404. The temperature sensors 403 correspond to the mounting slots 404 one-to-one. The control device 401, the setting device 402, and the temperature sensors 403 are electrically connected.

[0023] Temperature sensor: The temperature sensor is the core part of the thermostat, used to measure temperature. It is usually composed of components such as thermistors and thermocouples, and can convert temperature signals into electrical signals.

[0024] Setting device: The setting device is the part where the user sets the desired temperature. It is usually a knob or button that the user can turn or press to set the desired temperature.

[0025] Control device: The control device is the core control part of the thermostat. It compares the temperature measured by the temperature sensor with the required temperature set by the setting device, and then controls the heating operation according to the comparison result;

[0026] Wiring method: Determine the power source: First, you need to determine the power source of the thermostat. Generally speaking, the thermostat needs to be connected to a 220V AC power supply. If a DC power supply is required, you need to select the appropriate power supply specification based on the specific model.

[0027] Connect the sensor: According to the type and model of the temperature sensor, correctly connect the sensor to the thermostat. Different types of sensors have different connection methods, which need to be connected according to the specific model and instructions.

[0028] Connecting the heating device: Connect the thermostat and the heating device correctly according to their output interface types. Generally speaking, the thermostat output interface has relay output, thyristor output, etc., and needs to be connected according to the specific model and instructions.

[0029] Set the temperature: Use the setting device to set the desired temperature according to actual needs. Generally, the setting device will have a knob or button, and the user can set the desired temperature by turning or pressing the setting device.

[0030] Debugging and Operation: After the connections are complete, debug and operate the thermostat. First, turn on the power and observe whether the temperature sensor's measurement values ​​are accurate and whether the heating device is operating normally. If everything is normal, you can start using the thermostat for temperature control.

[0031] A deodorizing structure 7 is provided on the outside of the furnace body 1, and the deodorizing structure 7 includes a box body 8, a hose 9, an air inlet 10, a drawer slot 11, a rubber frame 12 and a filter 14;

[0032] An air inlet 10 is provided on the box body 8, one end of a hose 9 is connected to the air inlet 10, the hose 9 is made of a high-temperature resistant metal hose, and the other end of the hose 9 is connected to the furnace port of the furnace body 1 (if necessary, a cooling water pipe is wrapped around the hose to cool the gas passing through the hose, as shown in the figure), a groove 11 is provided on the box body 8, the number of the grooves 11 is two, the grooves 11 are distributed on the side wall of the box body 8, the filter element 14 is inserted into the rubber frame 12, the rubber frame 12 is made of fluororubber, the rubber frame 12 is placed in the box body 8 through the groove 11, the length of the rubber frame 12 is consistent with the length of the groove 11, that is, the internal length of the box body 8, and the rubber frame 12 corresponds to the groove 11 one to one;

[0033] A circular groove 15 is provided on the box body 8, and an exhaust fan 16 is installed in the circular groove 15. The exhaust fan 16 works when it is powered on. A rubber ring 17 is installed in the circular groove 15. The rubber ring 17 is made of fluororubber and has high temperature resistance. The exhaust fan 16 is plugged into the rubber ring 17. A handle 13 is installed on the rubber frame 12. The handle 13 corresponds to the rubber frame 12 one by one. The upper filter element 14 is made of stainless steel with holes on the surface, and the lower filter element 14 is an activated carbon filter.

[0034] A fixing structure 3 is installed on the furnace body 1. There are two fixing structures 3. The fixing structures 3 are symmetrically distributed on both sides with the center line of the furnace body 1 as the center. The fixing structure 3 includes an ear plate 5 and a mounting hole 6. The ear plate 5 is installed on the furnace body 1. The mounting hole 6 is opened on the ear plate 5. The furnace body 1 is placed in the designated position, and the mounting hole 6 on the ear plate 5 is sleeved on the bolt buried in the ground, and the external nut is connected to ensure that the furnace body 1 is stably fixed on the ground.

[0035] A connecting plate 2 is installed on the box body 8 , and the connecting plate 2 is connected to the furnace body 1 . The connecting plate 2 connects the box body 8 to the furnace body 1 .

[0036] When this patent is working, the furnace body 1 is placed in the designated position, the mounting holes 6 on the ear plates 5 are sleeved on the bolts buried in the ground, and the external nuts are connected to stably fix the furnace body 1 on the ground, and the handles 13 are pushed in turn to push the rubber frame 12 and the filter element 14 into the box body 8 through the extraction groove 11, and press them tightly against the box body 8, so that the exhaust fan 16 is inserted into the rubber ring 17 in the circular groove 15. When working, external materials are thrown into the furnace body 1, and the furnace body 1 is powered on to heat and melt the materials. The control device 401 measures the temperature of the furnace body 1 according to the temperature sensor 403 and compares it with the required temperature set by the setting device 402, and then controls the heating operation according to the comparison result. When the furnace body 1 is heating the material, the exhaust fan 16 works and sucks the odor and impurities generated by the combustion at the furnace body 1 outlet into the box body 8 through the hose 9. The upper filter element 14 can filter the impurities sucked in, and the lower filter element 14 can deodorize the gas so that clean gas is discharged to avoid causing workshop air pollution.

[0037] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A steelmaking furnace capable of precise temperature control, comprising a furnace body (1), characterized in that: A temperature control structure (4) is installed on the furnace body (1), and the temperature control structure (4) includes a control device (401), a setting device (402), a temperature sensor (403) and a mounting groove (404); The control device (401) is installed on the furnace body (1), the setting device (402) is installed in the control device (401), the installation slots (404) are opened on the outer shell of the furnace body (1), the number of the installation slots (404) is four, and the installation slots (404) are distributed on four sides of the furnace body (1), the temperature sensor (403) is installed in the installation slot (404), the temperature sensor (403) corresponds to the installation slot (404) one by one, and the control device (401), the setting device (402) and the temperature sensor (403) are electrically connected.

2. The steelmaking furnace capable of precise temperature control according to claim 1, characterized in that: A deodorizing structure (7) is provided on the outside of the furnace body (1), and the deodorizing structure (7) comprises a box body (8), a hose (9), an air inlet (10), a draw groove (11), a rubber frame (12), and a filter element (14); The air inlet (10) is provided on the box (8), one end of the hose (9) is connected to the air inlet (10), and the other end of the hose (9) is connected to the furnace port of the furnace body (1). The extraction groove (11) is provided on the box (8), and the number of the extraction grooves (11) is two. The extraction grooves (11) are distributed on the side wall of the box (8). The filter element (14) is inserted into the rubber frame (12), and the rubber frame (12) is placed in the box (8) through the extraction groove (11). The rubber frame (12) corresponds to the extraction groove (11) one by one. A circular groove (15) is provided on the box body (8), and an exhaust fan (16) is installed in the circular groove (15).

3. The steelmaking furnace capable of precise temperature control according to claim 2, characterized in that: A rubber ring (17) is installed in the circular groove (15), and the exhaust fan (16) is inserted into the rubber ring (17).

4. The steelmaking furnace capable of precise temperature control according to claim 2, characterized in that: A handle (13) is mounted on the rubber frame (12), and the handle (13) corresponds to the rubber frame (12) in a one-to-one manner.

5. The steelmaking furnace capable of precise temperature control according to claim 1, characterized in that: A fixing structure (3) is installed on the furnace body (1), the number of the fixing structures (3) is two, and the fixing structures (3) are symmetrically distributed on both sides with the center line of the furnace body (1) as the center, and the fixing structure (3) includes an ear plate (5) and a mounting hole (6), the ear plate (5) is installed on the furnace body (1), and the mounting hole (6) is opened on the ear plate (5).

6. The steelmaking furnace capable of precise temperature control according to claim 2, characterized in that: A connecting plate (2) is installed on the box body (8), and the connecting plate (2) is connected to the furnace body (1).

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