Smeltery house

Abstract

The invention discloses a smelting plant, and belongs to the technical field of smelting. The smelting plant comprises a plant body, a continuous casting machine, a desulfurization device, a converter, a feeding machine, an electric furnace and a refining furnace. The continuous casting machine, the desulfurization device, the converter, the feeding machine, the electric furnace and the refining furnace are all arranged in the room body, the electric furnace is arranged on the discharging side of the feeding machine, and the refining furnace is arranged on the feeding side of the continuous casting machine. By means of the combination of the devices, the smelting plant can achieve various modes such as a full molten iron steelmaking continuous casting operation mode, a full scrap steel steelmaking continuous casting operation mode, a molten iron and scrap steel converter steelmaking continuous casting operation mode and a molten iron and scrap steel electric furnace steelmaking continuous casting operation mode, various steel types are produced, and the flexibility of the smelting plant is higher.

Description

Technical Field

[0001] The present application belongs to the technical field of smelting, and in particular, relates to a smelting plant. Background Art

[0002] According to the different raw materials and production processes in the steel production process, steelmaking can be divided into long-process steelmaking and short-process steelmaking.

[0003] The main problems of long-process steelmaking are long production process, many links, high carbon emissions, low scrap steel ratio, energy waste caused by secondary heating, environmental pollution during heating, etc. The main problems of short-process steelmaking are high energy consumption, slow smelting speed, and large demand for scrap steel.

[0004] According to the applicant's research, most steel mills currently use long-process steelmaking, and a few steel mills use short-process steelmaking. Most of these steel mills have technical problems such as low flexibility. Summary of the invention

[0005] The present application aims to solve the technical problem of low flexibility of steel mills in the related art at least to a certain extent. To this end, the present application provides a smelting plant.

[0006] A smelting plant provided in an embodiment of the present application includes:

[0007] Room body;

[0008] A continuous casting machine is arranged in the housing;

[0009] A desulfurization device is arranged in the room;

[0010] A converter is arranged in the room;

[0011] A loading machine is arranged in the room;

[0012] An electric furnace is arranged in the room and on the unloading side of the loader;

[0013] The refining furnace is arranged in the room and on the feeding side of the continuous casting machine.

[0014] In some embodiments, the continuous casting machine and the loader are both arranged along a first direction, and along a second direction, the loader and the continuous casting machine are arranged sequentially, and the unloading side of the loader and the loading side of the continuous casting machine are located on the same side; the first direction and the second direction are perpendicular.

[0015] In some embodiments, along the second direction, the electric furnace and the refining furnace are arranged sequentially.

[0016] In some embodiments, the smelting plant further includes a first overhead traveling crane, which is disposed along the second direction and is located above the electric furnace and the refining furnace.

[0017] In some embodiments, the desulfurization device is disposed on a side of the electric furnace away from the loader.

[0018] In some embodiments, the converter is disposed on a side of the refining furnace away from the continuous casting machine.

[0019] In some embodiments, the converter and the desulfurization device are arranged in sequence along the second direction; the smelting plant also includes a second car, which is arranged along the second direction and located above the desulfurization device and the converter.

[0020] In some embodiments, the smelting plant further includes a first transport track connected to the converter, the refining furnace and the continuous casting machine.

[0021] In some embodiments, the smelting plant further includes a second transport track connected to the desulfurization device and the electric furnace.

[0022] In some embodiments, the room body has a first entrance and exit, a second entrance and exit, and a third entrance and exit, the first entrance and exit is arranged opposite to the desulfurization device, the second entrance and exit is arranged opposite to the loading side of the loader, and the third entrance and exit is arranged opposite to the unloading side of the continuous casting machine.

[0023] The present invention has at least the following beneficial effects:

[0024] The smelting plant includes a house, a continuous casting machine, a desulfurization device, a converter, a feeder, an electric furnace and a refining furnace. The continuous casting machine, the desulfurization device, the converter, the feeder, the electric furnace and the refining furnace are all arranged in the house, and the electric furnace is arranged on the unloading side of the feeder, and the refining furnace is arranged on the loading side of the continuous casting machine. With the combination of these equipments, the smelting plant of the present application can realize multiple modes such as the full molten iron steelmaking continuous casting operation mode, the full scrap steel steelmaking continuous casting operation mode, the molten iron + scrap steel converter steelmaking continuous casting operation mode and the molten iron + scrap steel electric furnace steelmaking continuous casting operation mode, and produce a variety of steel grades with higher flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1A schematic plan view of a smelting plant in one or more embodiments of the present application is shown.

[0027] Figure numbers: 1-room body, 1a-first entrance and exit, 1b-second entrance and exit, 1c-third entrance and exit, 2-continuous casting machine, 3-desulfurization device, 4-converter, 5-loader, 6-electric furnace, 7-refining furnace, 8-first transport track, 9-second transport track, 10-first first car, 11-second second car. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that all directional indications in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0032] According to the applicant's research, in the related technologies, most steel mills can only carry out long-process steelmaking or short-process steelmaking, and cannot take into account both long-process steelmaking and short-process steelmaking, which has the technical problem of low flexibility. The embodiment of the present application provides a smelting plant, which can at least solve the technical problem of low flexibility of steel mills to a certain extent.

[0033] The present application is described below with reference to the accompanying drawings and specific embodiments:

[0034] like Figure 1 As shown, the smelting plant includes: a house body 1, a continuous casting machine 2, a desulfurization device 3, a converter 4, a feeder 5, an electric furnace 6 and a refining furnace 7. The continuous casting machine 2, the desulfurization device 3, the converter 4, the feeder 5, the electric furnace 6 and the refining furnace 7 are all arranged in the house body 1. The electric furnace 6 is arranged on the unloading side of the feeder 5, and the refining furnace 7 is arranged on the loading side of the continuous casting machine 2.

[0035] The room body 1 can be constructed of building materials such as steel frame and brick wall, and provides a storage space for accommodating equipment such as continuous casting machine 2, desulfurization device 3, converter 4, feeder 5, electric furnace 6 and refining furnace 7. It is easy to understand that the room body 1 is provided with an entrance and exit connecting the storage space with the outside world, so that raw materials, operators, equipment, etc. for steelmaking can enter and exit through the entrance and exit.

[0036] The continuous casting machine 2 is used to continuously cast the refined molten steel into steel billets. The desulfurization device 3 is used to remove sulfur elements in the molten steel to improve the quality of the steel. The converter 4 is used to remove impurities in the molten iron by blowing oxygen and other means to refine molten steel. The feeder 5 is used to feed raw materials (such as scrap steel) and the like into the smelting equipment. The electric furnace 6 heats the raw materials to a molten state by electric energy. The refining furnace 7 is used to further refine the refined molten steel to improve the performance and quality of the steel. The specific structures of these devices are various and are known to those skilled in the art, so they will not be described in detail here.

[0037] The electric furnace 6 is arranged on the unloading side of the loader 5, and its position is close to the unloading side of the loader 5, so that the raw materials can easily enter the electric furnace 6 for smelting after passing through the loader 5; the refining furnace 7 is arranged on the loading side of the steelmaking continuous casting machine 2, and it is close to the loading side of the continuous casting machine 2. The molten steel that has been refined can easily enter the continuous casting machine 2 for continuous casting operation, thereby optimizing the smelting process and helping to improve steelmaking efficiency.

[0038] The smelting plant is equipped with a continuous casting machine 2, a desulfurization device 3, a converter 4, a feeder 5, an electric furnace 6 and a refining furnace 7. With the combination of these equipments, the smelting plant can realize at least the following steelmaking modes and produce a variety of steel grades, with higher flexibility:

[0039] (1) All-hot-iron steelmaking and continuous casting operation mode

[0040] After the molten iron enters the room body 1, it is transported to the desulfurization device 3 for desulfurization treatment. The desulfurized molten iron is transported to the converter 4 to be refined into molten steel. The molten steel is then transported from the converter 4 to the refining furnace 7 for refining. After refining, it is transported to the steelmaking continuous casting machine 2 to complete the steelmaking continuous casting process, thereby realizing the full molten iron steelmaking continuous casting operation mode.

[0041] (2) All-scrap steelmaking and continuous casting operation mode

[0042] The scrap steel is transported to the electric furnace 6 through the feeder 5. After being melted in the electric furnace 6, the molten steel is transported to the refining furnace 7. After refining, it is transported to the steelmaking continuous casting machine 2 to complete the steelmaking continuous casting process, thereby realizing the full scrap steel steelmaking continuous casting operation mode.

[0043] (3) Hot metal + scrap steel converter steelmaking continuous casting operation mode

[0044] The molten iron is transported to the desulfurization device 3 for desulfurization treatment, and the scrap steel and the desulfurized molten iron are added to the converter 4 at the same time to be refined into molten steel. The molten steel is then transported from the converter 4 to the refining furnace 7 for refining, and after refining, it is transported to the steelmaking continuous casting machine 2 to complete the steelmaking continuous casting process, thereby realizing the molten iron + scrap steel converter 4 steelmaking continuous casting operation mode.

[0045] (4) Molten Iron + Scrap Steel Electric Furnace Steelmaking Continuous Casting Operation Mode

[0046] The molten iron is transported to the desulfurization device 3 for desulfurization treatment, the scrap steel is transported to the electric furnace 6 through the feeder 5, and the molten iron after desulfurization is added into the electric furnace 6 to be smelted into molten steel. The molten steel is transported from the electric furnace 6 to the refining furnace 7 for refining, and then transported to the steelmaking continuous casting machine 2 after refining to complete the steelmaking continuous casting process, thereby realizing the molten iron + scrap steel electric furnace 6 steelmaking continuous casting operation mode.

[0047] The smelting plant also has the advantages of continuous production, high steelmaking efficiency and high stability. Specifically, the smelting plant is equipped with an electric furnace 6 and a converter 4 at the same time. These two smelting equipment can operate in an efficient and coordinated manner: when the electric furnace 6 is performing smelting operations, the converter 4 can be in a preparation or maintenance state; and when the converter 4 starts smelting, the electric furnace 6 can turn to process the next batch of raw materials or make necessary adjustments. This alternating operation strategy ensures that the continuous casting machine 2 can continuously receive the refined molten steel, thereby achieving seamless connection and efficient operation of the continuous casting operation, thereby ensuring the continuity of production and improving the efficiency of steelmaking operations. Of course, it is also possible for the electric furnace 6 and the converter 4 to operate at the same time, which is not limited in this application. The smelting plant is equipped with an electric furnace 6 and a converter 4 at the same time. The electric furnace 6 and the converter 4 can be used as backup for each other. When one of them is damaged, the other can be used to continue steelmaking, thereby ensuring the stability and continuity of production.

[0048] The smelting plant also has the advantages of reducing carbon emissions and better energy saving. Specifically, the smelting plant is equipped with an electric furnace 6, which allows steelmaking through the electric furnace 6, which can reduce the frequency of use of the converter 4 to a certain extent. Under the condition of certain production capacity, carbon emissions can be reduced. In addition, the electric furnace 6 is heated by electricity, and the converter 4 is heated by gas combustion and other methods. The energy consumption index of electricity is lower than that of gas. Compared with the traditional plant that can only make steel through the converter 4, the smelting plant of the present invention is more energy-efficient. In addition, since the smelting plant of the present invention can realize the molten iron + scrap steel electric furnace steelmaking continuous casting operation mode, compared with the all-scrap steel electric furnace steelmaking continuous casting operation mode, the molten iron + scrap steel electric furnace steelmaking continuous casting operation mode can increase the temperature of the electric furnace 6, thereby reducing energy consumption to a certain extent and achieving energy saving.

[0049] Smelting plants also have the advantage of being more economical. Specifically, smelting plants allow the use of a variety of raw materials such as scrap steel, iron ore, and coke for steelmaking. This enables production personnel to select raw materials with higher cost performance for steelmaking based on the real-time price trends of raw materials, thereby saving raw material procurement costs and improving the economic benefits of the enterprise.

[0050] In summary, the smelting plant of the present invention can carry out steelmaking in various modes, can ensure the continuous production of steelmaking operations, and improve the operating efficiency of steelmaking and continuous casting. It also has the advantages of reducing carbon emissions, better energy saving, higher stability, and higher economy.

[0051] For the convenience of description, a first direction and a second direction are defined respectively, and the second direction is perpendicular to the first direction. Figure 1 As shown, the first direction is the front-to-back direction, and the second direction is the left-to-right direction.

[0052] In some embodiments, the continuous casting machine 2 and the loader 5 are arranged along the first direction, and along the second direction, the loader 5 and the continuous casting machine 2 are arranged in sequence, and the unloading side of the loader 5 and the loading side of the continuous casting machine 2 are located on the same side.

[0053] The continuous casting machine 2 and the feeder 5 are arranged in parallel. The continuous casting machine 2 is arranged along the first direction, which means that the billet drawing direction of the continuous casting machine 2 extends along the first direction. The feeder 5 is arranged along the first direction, which means that the material transmission direction of the feeder 5 extends along the first direction. The feeder 5 and the continuous casting machine 2 are arranged in sequence along the second direction, so that the continuous casting machine 2 at least partially overlaps in the second direction. The continuous casting machine 2 and the feeder 5 are arranged in parallel and at least partially overlap in the second direction, so that the space in the room body 1 is effectively utilized, which can reduce the waste of space in the room body 1 and make the entire smelting plant more compact.

[0054] The electric furnace 6 and the refining furnace 7 are respectively arranged on the unloading side of the loader 5 and the loading side of the continuous casting machine 2, and the unloading side of the loader 5 and the loading side of the continuous casting machine 2 are located on the same side. This design makes the distance between the electric furnace 6, the refining furnace 7, the unloading side of the loader 5 and the loading side of the continuous casting machine 2 shorter, which facilitates the material to enter the electric furnace 6 after being discharged from the loader 5, and then enter the refining furnace 7 and the continuous casting machine 2 in turn, shortening the transportation distance of materials and molten steel, thereby improving the steelmaking efficiency.

[0055] In some embodiments, the electric furnace 6 and the refining furnace 7 are arranged in sequence along the second direction. That is, the electric furnace 6 is located in front of the refining furnace 7 or the refining furnace 7 is located in front of the electric furnace 6. This layout helps to shorten the transportation distance of the molten steel from the electric furnace 6 to the refining furnace 7, reduces the heat loss of the molten steel during transportation, helps to maintain the temperature and quality of the molten steel, and improves the steelmaking efficiency.

[0056] In some embodiments, the electric furnace 6 is located at the rear side of the refining furnace 7, the continuous casting machine 2 is located at the front side of the front feeding machine 5, the front feeding machine 5 feeds from the left side, the electric furnace 6 is arranged on the left side of the front feeding machine 5, the continuous casting machine 2 feeds from the left side, and the refining furnace 7 is arranged on the left side of the continuous casting machine 2.

[0057] In some embodiments, the smelting plant further includes a first turning car 10 , which is disposed along the second direction and is located above the electric furnace 6 and the refining furnace 7 .

[0058] The structure of the overhead crane is known to those skilled in the art. The overhead crane includes a trolley, a small trolley and a lifting mechanism. The trolley cooperates with the track on the ground, the small trolley is installed on the trolley, and the lifting mechanism is installed on the small trolley. The first lathe 10 is arranged along the second direction, which means that the movement direction of the trolley is parallel to the second direction. The first lathe 10 is located above the electric furnace 6 and the refining furnace 7, which means that the first lathe 10 can be moved above the electric furnace 6 and the refining furnace 7, and the electric furnace 6 and the refining furnace 7 are located within the lifting range of the second lathe 11. After the first lathe 10 is set, the molten steel smelted in the electric furnace 6 can be directly lifted by the first lathe 10 to the refining furnace 7 for refining treatment, which reduces the residence time of the molten steel in the intermediate links and reduces the labor intensity of the operators.

[0059] In some embodiments, the desulfurization device 3 is arranged on the side of the electric furnace 6 away from the feeder 5. Figure 1 As shown, the desulfurization device 3, the electric furnace 6 and the feeder 5 are arranged in sequence along the first direction, which facilitates the entry of the material after desulfurization treatment into the electric furnace 6.

[0060] In some embodiments, the converter 4 is arranged on the side of the refining furnace 7 away from the continuous casting machine 2. Figure 1 As shown, the converter 4 , the refining furnace 7 and the continuous casting machine 2 are arranged in sequence along the first direction, which facilitates the molten steel melted in the converter 4 to enter the refining furnace 7 .

[0061] In some embodiments, along the second direction, the converter 4 and the desulfurization device 3 are arranged sequentially.

[0062] That is, the converter 4 is located in front of the desulfurization device 3 or the desulfurization device 3 is located in front of the converter 4. This layout helps to shorten the transportation distance of molten steel from the desulfurization device 3 to the converter 4, reduces the heat loss of molten steel during transportation, helps to maintain the temperature and quality of molten steel, and improves steelmaking efficiency.

[0063] In some embodiments, the smelting plant further includes a second car 11 , which is arranged along the second direction and located above the desulfurization device 3 and the converter 4 .

[0064] The second car 11 is arranged along the second direction, which means that the moving direction of the car of the second car 11 is parallel to the second direction. The second car 11 is located above the desulfurization device 3 and the converter 4, which means that the second car 11 can be moved above the desulfurization device 3 and the converter 4, and the desulfurization device 3 and the converter 4 are located within the lifting range of the second car 11. After the second car 11 is arranged, the molten iron after desulfurization can be directly lifted by the second car 11 to the converter 4 for melting, which reduces the retention time of the molten iron in the intermediate link and reduces the labor intensity of the operators.

[0065] In some embodiments, the smelting plant further includes a first transport track 8 , which is connected to the converter 4 , the refining furnace 7 and the continuous casting machine 2 .

[0066] The first transport track 8 is used to provide guidance for the molten steel transfer vehicle. The first transport track 8 is connected to the converter 4, the refining furnace 7 and the continuous casting machine 2, which means that the first transport track 8 passes through the converter 4, the refining furnace 7 and the continuous casting machine 2, so that the molten steel transfer vehicle above can pass through the converter 4, the refining furnace 7 and the continuous casting machine 2, thereby facilitating the transfer of molten steel from the converter 4 to the refining furnace 7, and from the refining furnace 7 to the continuous casting machine 2, thereby improving the molten steel transfer efficiency.

[0067] In some embodiments, the converter 4, the refining furnace 7 and the continuous casting machine 2 are arranged in sequence along the first direction, and the first transport track 8 extends along the first direction.

[0068] like Figure 1As shown, in some embodiments, the first transport track 8 is provided with two sections, one of which is provided between the converter 4 and the refining furnace 7, and the other end is provided between the refining furnace 7 and the continuous casting machine 2. These embodiments are equipped with two molten steel transfer vehicles, one of which is installed on one section of the first transport track 8, and the other is installed on the other section of the first transport track 8. After this design, the molten steel transfer vehicle located between the converter 4 and the refining furnace 7 is responsible for transferring the molten steel melted in the converter 4 to the refining furnace 7; the molten steel transfer vehicle located between the refining furnace 7 and the continuous casting machine 2 is responsible for transferring the molten steel refined in the refining furnace 7 to the continuous casting machine 2.

[0069] In some embodiments, the smelting plant further includes a second transport track 9 , which is connected to the desulfurization device 3 and the electric furnace 6 .

[0070] The second transport track 9 is used to provide guidance for the molten iron transfer vehicle. The second transport track 9 is connected to the desulfurization device 3 and the electric furnace 6, which means that the second transport track 9 passes through the desulfurization device 3 and the electric furnace 6, so that the molten iron transfer vehicle above can pass through the desulfurization device 3 and the electric furnace 6, thereby facilitating the transfer of molten iron from the desulfurization device 3 to the electric furnace 6 and improving the molten iron transfer efficiency.

[0071] In some embodiments, the desulfurization device 3, the electric furnace 6 and the loader 5 are arranged in sequence along the first direction, and the second transport track 9 extends along the first direction.

[0072] In some embodiments, the building body 1 has a first entrance and exit 1a, and the first entrance and exit 1a is arranged on the left side of the desulfurization device 3 and is arranged opposite to the desulfurization device 3. In these embodiments, the second transport track 9 is provided with two sections, one of which is arranged between the first entrance and exit 1a and the desulfurization device 3, and the other end is arranged between the desulfurization device 3 and the electric furnace 6. These embodiments are equipped with two molten iron transfer vehicles, one of which is installed on one section of the second transport track 9, and the other is installed on the other section of the second transport track 9. After this design, the molten iron transfer vehicle located between the first entrance and exit 1a and the desulfurization device 3 is responsible for transferring the molten iron outside the smelting plant to the side of the refining furnace 7; the molten iron transfer vehicle located between the desulfurization device 3 and the electric furnace 6 is responsible for transferring the molten iron after desulfurization treatment in the desulfurization device 3 to the side of the electric furnace 6.

[0073] In some embodiments, the room body 1 has a first entrance and exit 1a, a second entrance and exit 1b and a third entrance and exit 1c. The first entrance and exit 1a is arranged opposite to the desulfurization device 3, the second entrance and exit 1b is arranged opposite to the feeding side of the loader 5, and the third entrance and exit 1c is arranged opposite to the unloading side of the continuous casting machine 2.

[0074] This design allows molten iron to enter the room body 1 from the first entrance and exit 1a and directly reach the desulfurization device 3 for desulfurization treatment, which helps to improve the transportation efficiency of molten iron; scrap steel and other raw materials can enter the room body 1 through the second entrance and exit 1b and reach the loading side of the loader 5, thereby simplifying the scrap steel loading process and improving production efficiency; the continuous casting billets produced by the continuous casting machine 2 can be transported out of the room body 1 through the third entrance and exit 1c, facilitating the transportation and subsequent processing of the billets.

[0075] The following is an introduction to the working principle of the smelting plant:

[0076] If all hot metal is used for steelmaking:

[0077] The molten iron is transported to the desulfurization device 3 through the molten iron transfer vehicle between the first entrance and exit 1a and the desulfurization device 3; the operator controls the second car 11 to lift the container containing the molten iron and pours the molten iron into the desulfurization device 3 for desulfurization treatment; after the desulfurization treatment, the operator controls the second car 11 to lift and pour the molten iron into the converter 4; after the molten iron is smelted into molten steel, the melted molten steel is transferred to the refining furnace 7 through the molten steel transfer vehicle between the converter 4 and the refining furnace 7; the operator controls the first car 10 to pour the molten steel into the refining furnace 7; after the refining treatment, the molten steel is transferred to the continuous casting machine 2 for continuous casting through the molten steel transfer vehicle located between the refining furnace 7 and the continuous casting machine 2, and the ingot is finally transported out through the third entrance and exit 1c.

[0078] If all scrap steel is used for steelmaking:

[0079] Scrap steel enters the room 1 through the second entrance and exit 1b and is placed on the loader 5, where it is transported to the electric furnace 6; after the scrap steel is smelted into molten steel by the electric furnace 6, the operator controls the first car 10 to pour the molten steel into the refining furnace 7; after refining, the molten steel is transferred to the continuous casting machine 2 for continuous casting via the molten steel transfer vehicle located between the refining furnace 7 and the continuous casting machine 2, and the ingot is finally transported out through the third entrance and exit 1c.

[0080] If hot metal and scrap steel are used as raw materials and steel is made in an electric furnace 6:

[0081] The molten iron is transported to the side of the desulfurization device 3 through the molten iron transfer vehicle between the first entrance and exit 1a and the desulfurization device 3; the operator controls the second car 11 to lift the container containing the molten iron, and pours the molten iron into the desulfurization device 3 for desulfurization treatment; after the desulfurization treatment, the molten iron is transferred to the side of the electric furnace 6 through the molten iron transfer vehicle between the desulfurization device 3 and the electric furnace 6; the scrap steel enters the room body 1 through the second entrance and exit 1b and prevents the scrap steel from being placed on the feeder 5, and the scrap steel is transported to the electric furnace 6 through the feeder 5, and the first car 10 is controlled to pour the molten iron into the electric furnace 6 at the same time; after the scrap steel and the scrap steel are smelted into molten steel by the electric furnace 6, the operator controls the first car 10 to pour the molten steel into the refining furnace 7; after the refining treatment, the molten steel is transferred to the continuous casting machine 2 for continuous casting treatment through the molten steel transfer vehicle located between the refining furnace 7 and the continuous casting machine 2, and the ingot is finally transported out through the third entrance and exit 1c.

[0082] If hot metal and scrap steel are used as raw materials and steel is made in converter 4:

[0083] The molten iron is transported to the side of the desulfurization device 3 through the molten iron transfer vehicle between the first entrance and exit 1a and the desulfurization device 3; the operator controls the second day car 11 to lift the container containing the molten iron, and pours the molten iron into the desulfurization device 3 for desulfurization treatment; after the desulfurization treatment, the operator controls the second day car 11 to lift and pour the molten iron into the converter 4, and at the same time pours the scrap steel into the converter 4; after the scrap steel and the scrap steel are smelted into molten steel by the converter 4, the melted molten steel is transferred to the side of the refining furnace 7 by the molten steel transfer vehicle between the converter 4 and the refining furnace 7; the operator controls the first day car 10 to pour the molten steel into the refining furnace 7; after the refining treatment, the molten steel is transferred to the continuous casting machine 2 for continuous casting treatment through the molten steel transfer vehicle located between the refining furnace 7 and the continuous casting machine 2, and the ingot is finally transported out through the third entrance and exit 1c.

[0084] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0085] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0086] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A smelting plant, characterized in that: include: House body (1); A continuous casting machine (2) is arranged in the room (1); A desulfurization device (3) is arranged in the room (1); A converter (4) is arranged in the room (1); A loading machine (5) is arranged in the room (1); An electric furnace (6) is arranged in the room (1) and on the unloading side of the loading machine (5); The refining furnace (7) is arranged in the room (1) and on the feeding side of the continuous casting machine (2).

2. The smelting plant according to claim 1, characterized in that: The continuous casting machine (2) and the loader (5) are both arranged along a first direction, and along a second direction, the loader (5) and the continuous casting machine (2) are arranged in sequence, and the unloading side of the loader (5) and the loading side of the continuous casting machine (2) are located on the same side; the first direction and the second direction are perpendicular.

3. The smelting plant according to claim 2, characterized in that: Along the second direction, the electric furnace (6) and the refining furnace (7) are arranged in sequence.

4. The smelting plant according to claim 3, characterized in that: The smelting plant further comprises a first overhead traveling crane (10), which is arranged along the second direction and is located above the electric furnace (6) and the refining furnace (7).

5. The smelting plant according to any one of claims 1 to 4, characterized in that: The desulfurization device (3) is arranged on a side of the electric furnace (6) away from the feeder (5).

6. The smelting plant according to claim 5, characterized in that: The converter (4) is arranged on a side of the refining furnace (7) away from the continuous casting machine (2).

7. The smelting plant according to claim 6, characterized in that: The converter (4) and the desulfurization device (3) are arranged in sequence along the second direction; the smelting plant also includes a second car (11), and the second car (11) is arranged along the second direction and is located above the desulfurization device (3) and the converter (4).

8. The smelting plant according to any one of claims 1 to 4, characterized in that: The smelting plant also includes a first transport track (8), which is connected to the converter (4), the refining furnace (7) and the continuous casting machine (2).

9. The smelting plant according to any one of claims 1 to 4, characterized in that: The smelting plant also includes a second transport track (9), and the second transport track (9) is connected to the desulfurization device (3) and the electric furnace (6).

10. The smelting plant according to any one of claims 1 to 4, characterized in that: The housing (1) has a first entrance and exit (1a), a second entrance and exit (1b) and a third entrance and exit (1c); the first entrance and exit (1a) is arranged opposite to the desulfurization device (3); the second entrance and exit (1b) is arranged opposite to the loading side of the loading machine (5); and the third entrance and exit (1c) is arranged opposite to the unloading side of the continuous casting machine (2).

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