Electric furnace smelting water temperature difference control device

Abstract

The utility model relates to the field of electric furnace smelting technology, and disclose a kind of electric furnace smelting water temperature difference control device, including electric furnace cooling water pipeline, refining furnace cooling water pipeline, bypass pipeline, first water pump and second water pump, the first water pump is set on electric furnace cooling water pipeline, the second water pump is set on refining furnace cooling water pipeline, the bypass pipeline is fixedly connected between electric furnace cooling water pipeline and refining furnace cooling water pipeline, temperature sensor I is arranged on the side of electric furnace cooling water pipeline close to its water inlet port, first solenoid valve is arranged on the side of electric furnace cooling water pipeline close to its water outlet port, temperature sensor II is arranged on the side of refining furnace cooling water pipeline close to its water outlet port, the utility model is favorable to save electric power energy, reduce overall water pump power consumption cost, can produce good economic benefits.

Description

Technical Field

[0001] This utility model relates to the field of electric furnace smelting technology, and more specifically, to an electric furnace smelting water temperature difference control device. Background Technology

[0002] Steelmaking refers to the process of smelting scrap steel or pig iron in a steelmaking furnace according to a certain process to remove excess carbon and other impurities, and adjusting the element ratio through chemical reactions to obtain steel with the desired properties. Refining furnaces and electric arc furnaces are key equipment in the steelmaking process, and the stability of their cooling water supply directly affects the safe operation and production efficiency of the equipment. In the traditional water supply mode, refining furnaces and electric arc furnaces use independent cooling water pipeline systems. Although this design ensures the independence of the water supply, during non-production periods when neither the refining furnace nor the electric arc furnace is running, the water pumps of both systems are idling, resulting in significant energy waste, increased overall water pump power consumption costs, and poor economic benefits. Therefore, this utility model designs an electric arc furnace smelting water temperature difference control device to solve the above problems. Utility Model Content

[0003] The purpose of this invention is to provide a temperature difference control device for electric furnace smelting water to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A temperature difference control device for electric furnace smelting water includes an electric furnace cooling water pipe, a refining furnace cooling water pipe, a bypass pipe, a first water pump, and a second water pump. The first water pump is installed on the electric furnace cooling water pipe, and the second water pump is installed on the refining furnace cooling water pipe. The bypass pipe is fixedly connected between the electric furnace cooling water pipe and the refining furnace cooling water pipe. A temperature sensor I is installed on the side of the electric furnace cooling water pipe near its inlet port, a first solenoid valve is installed on the side of the electric furnace cooling water pipe near its outlet port, a temperature sensor II is installed on the side of the refining furnace cooling water pipe near its outlet port, a second solenoid valve is installed on the side of the refining furnace cooling water pipe near its inlet port, a flow regulating valve is installed on the bypass pipe, a controller is fixedly installed on the outside of the bypass pipe, and a monitoring component is installed on the side of the bypass pipe near the flow regulating valve.

[0006] As a preferred embodiment of this invention, the monitoring component consists of a flow meter and a pressure gauge.

[0007] As a preferred embodiment of this utility model, the output terminals of temperature sensor I, temperature sensor II, flow meter and pressure gauge are all electrically connected to the controller, and the output terminal of the controller is electrically connected to the input terminals of the first solenoid valve, the second solenoid valve and the flow regulating valve.

[0008] As a preferred embodiment of this utility model, a display screen is fixedly mounted on the controller, and the output terminal of the controller is electrically connected to the input terminal of the display screen.

[0009] As a preferred embodiment of this utility model, the inlet port of the electric furnace cooling water pipe is provided with an electric furnace cooling water source connector.

[0010] As a preferred technical solution of this utility model, the inlet port of the refining furnace cooling water pipeline is provided with a refining furnace cooling water source connector.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. During the use of this utility model, if the first and second solenoid valves are open and the flow regulating valve is closed during the production period when the refining furnace and electric furnace are running, the electric furnace and refining furnace can form their original independent water supply mode, ensuring the normal cooling performance of the electric furnace and refining furnace. If the refining furnace and electric furnace are not running during non-production periods, the first and second solenoid valves are closed and the flow regulating valve is open, and the bypass pipe connects the electric furnace cooling water pipe and the refining furnace cooling water pipe. In this case, the electric furnace and refining furnace can share the electric furnace cooling water source, so only the first water pump is needed for water supply, and the second water pump can be turned off, which helps to save power energy, reduce the overall water pump power consumption cost, and generate good economic benefits.

[0013] 2. This utility model can monitor the water pressure and flow rate through the bypass pipe by using a flow meter and a pressure gauge. Temperature sensor I and temperature sensor II can monitor the temperature difference between the inlet and outlet water. If the temperature difference between the inlet and outlet water is large, the opening of the flow regulating valve on the bypass pipe can be adjusted to control the cooling water temperature, water pressure and flow rate, thereby ensuring the cooling effect. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of an electric furnace smelting water temperature difference control device according to the present invention;

[0015] Figure 2 for Figure 1 A magnified structural diagram of part A in the middle;

[0016] Figure 3 This is a schematic block diagram of the controller in an electric furnace smelting water temperature difference control device according to the present invention.

[0017] In the diagram: 1. Electric furnace cooling water pipe; 101. Temperature sensor I; 102. First solenoid valve; 103. Electric furnace cooling water source connector; 2. Refining furnace cooling water pipe; 201. Temperature sensor II; 202. Second solenoid valve; 203. Refining furnace cooling water source connector; 3. Bypass pipe; 301. Flow regulating valve; 302. Controller; 303. Display screen; 4. First water pump; 5. Second water pump; 6. Monitoring components; 601. Flow meter; 602. Pressure gauge. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] like Figures 1 to 3 As shown, this utility model provides an electric furnace smelting water temperature difference control device, including an electric furnace cooling water pipe 1, a refining furnace cooling water pipe 2, a bypass pipe 3, a first water pump 4, and a second water pump 5. The first water pump 4 is installed on the electric furnace cooling water pipe 1, and the second water pump 5 is installed on the refining furnace cooling water pipe 2. The bypass pipe 3 is fixedly connected between the electric furnace cooling water pipe 1 and the refining furnace cooling water pipe 2. A temperature sensor I101 is installed on the side of the electric furnace cooling water pipe 1 near its inlet port, and a first solenoid valve 102 is installed on the side of the electric furnace cooling water pipe 1 near its outlet port. A temperature sensor II201 is installed on the side of the refining furnace cooling water pipe 2 near its outlet port, and a second solenoid valve 202 is installed on the side of the refining furnace cooling water pipe 2 near its inlet port. A flow regulating valve 301 is installed on the bypass pipe 3, and a controller 302 is fixedly installed on the outside of the bypass pipe 3. A monitoring component 6 is installed on the side of the bypass pipe 3 near the flow regulating valve 301.

[0020] Among them, such as Figure 2 As shown, the monitoring component 6 consists of a flow meter 601 and a pressure gauge 602. The flow meter 601 and the pressure gauge 602 can be used to monitor the water pressure and flow rate through the bypass pipe 3.

[0021] Among them, such as Figure 3 As shown, the output terminals of temperature sensor I101, temperature sensor II201, flow meter 601, and pressure gauge 602 are all electrically connected to controller 302, and the output terminal of controller 302 is electrically connected to the input terminal of first solenoid valve 102, second solenoid valve 202, and flow regulating valve 301.

[0022] Among them, such as Figure 1and Figure 3 As shown, a display screen 303 is fixedly installed on the controller 302. The output terminal of the controller 302 is electrically connected to the input terminal of the display screen 303, so that the display screen 303 can display the monitoring information intuitively.

[0023] Among them, such as Figure 1 As shown, the inlet port of the electric furnace cooling water pipe 1 is equipped with an electric furnace cooling water source connector 103, which can connect the inlet port of the electric furnace cooling water pipe 1 to the pipeline of the electric furnace cooling water source.

[0024] Among them, such as Figure 1 As shown, the inlet port of the refining furnace cooling water pipe 2 is equipped with a refining furnace cooling water source connector 203, which can connect the inlet port of the refining furnace cooling water pipe 2 to the pipeline of the refining furnace cooling water source.

[0025] The working principle of this utility model:

[0026] During non-production periods when neither the refining furnace nor the electric furnace is operating, the first solenoid valve 102 and the second solenoid valve 202 are closed, the flow regulating valve 301 is opened, and the bypass pipe 3 connects the electric furnace cooling water pipe 1 and the refining furnace cooling water pipe 2. This allows the electric furnace and refining furnace to share the same cooling water source, thus requiring only the first water pump 4 for water supply. The second water pump 5 can be shut off, saving energy. The flow meter 601 and pressure gauge 602 monitor the water pressure and flow rate through the bypass pipe 3, and temperature sensing... Device I101 and temperature sensor II201 can monitor the temperature difference between the inlet and outlet water. If the temperature difference between the inlet and outlet water is large, the opening of the flow regulating valve 301 on the bypass pipe 3 is adjusted to control the cooling water temperature, water pressure and flow rate, thereby ensuring the cooling effect. During the production period when the refining furnace and electric furnace are running, the first solenoid valve 102 and the second solenoid valve 202 are opened and the flow regulating valve 301 is closed. At this time, the cooling of the electric furnace and refining furnace can form the original independent water supply mode, ensuring the normal cooling performance of the electric furnace and refining furnace during operation.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for controlling the temperature difference of smelting water in an electric furnace, characterized in that: It includes an electric furnace cooling water pipe (1), a refining furnace cooling water pipe (2), a bypass pipe (3), a first water pump (4), and a second water pump (5); The first water pump (4) is installed on the electric furnace cooling water pipe (1), the second water pump (5) is installed on the refining furnace cooling water pipe (2), the bypass pipe (3) is fixedly connected between the electric furnace cooling water pipe (1) and the refining furnace cooling water pipe (2), a temperature sensor I (101) is installed on the side of the electric furnace cooling water pipe (1) near its inlet port, and a first solenoid valve (102) is installed on the side of the electric furnace cooling water pipe (1) near its outlet port; A temperature sensor II (201) is installed on the side of the refining furnace cooling water pipe (2) near its outlet port. A second solenoid valve (202) is installed on the side of the refining furnace cooling water pipe (2) near its inlet port. A flow regulating valve (301) is installed on the bypass pipe (3). A controller (302) is fixedly installed on the outside of the bypass pipe (3). A monitoring component (6) is installed on the side of the bypass pipe (3) near the flow regulating valve (301).

2. The electric furnace smelting water temperature difference control device according to claim 1, characterized in that: The monitoring component (6) consists of a flow meter (601) and a pressure gauge (602).

3. The electric furnace smelting water temperature difference control device according to claim 2, characterized in that: The output terminals of temperature sensor I (101), temperature sensor II (201), flow meter (601), and pressure gauge (602) are all electrically connected to controller (302), and the output terminal of controller (302) is electrically connected to the input terminal of first solenoid valve (102), second solenoid valve (202), and flow regulating valve (301).

4. The electric furnace smelting water temperature difference control device according to claim 3, characterized in that: A display screen (303) is fixedly installed on the controller (302), and the output terminal of the controller (302) is electrically connected to the input terminal of the display screen (303).

5. The electric furnace smelting water temperature difference control device according to claim 1, characterized in that: The inlet port of the electric furnace cooling water pipe (1) is equipped with an electric furnace cooling water source connector (103).

6. The electric furnace smelting water temperature difference control device according to claim 1, characterized in that: The inlet port of the refining furnace cooling water pipe (2) is equipped with a refining furnace cooling water source connector (203).

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