U-shaped blanking water cooling section structure of submerged arc furnace

Abstract

The utility model discloses a U-shaped blanking water cooling section structure of a submerged arc furnace, which comprises a blanking outer shell, a blanking inner shell is arranged in the blanking outer shell, the top end of the blanking outer shell is fixedly connected with a sealing plate, the bottom end of the blanking inner shell is fixedly communicated with a discharge pipe, and the bottom end of the blanking inner shell is fixedly connected with a water inlet pipe. The bottom end of the discharging pipe penetrates through the discharging shell and extends to the position below the discharging shell, an upper annular pipe is arranged in the discharging shell, the bottom face of the upper annular pipe fixedly communicates with a plurality of drainage pipes, a lower annular pipe is arranged in the discharging shell, and the upper surface of the lower annular pipe fixedly communicates with a plurality of circulating pipes. The top end of each circulating pipe penetrates through the discharging shell and extends into the discharging shell, and a controller is fixedly installed on the front face of the discharging shell. According to the blanking water cooling section structure, the temperature of materials in the discharging pipe can be effectively reduced, and the problem that the materials are adhered, agglomerated and the like at a high temperature, so that a blanking channel is blocked is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ore heating furnace especially a U type blanking water cooling section structure of ore heating furnace. BACKGROUND

[0002] Ore heating furnace is also called arc furnace or resistance furnace, it is mainly used for reducing smelting ore, carbonaceous reducing agent and solvent etc.

[0003] After ore heating furnace smelts material, needs to make it to discharge blanking through blanking section, but current ore heating furnace blanking section, difficult to effectively reduce the temperature of internal material, lead to material to stick together, cake etc. UTILITY MODEL CONTENT

[0004] The utility model discloses a U type blanking water cooling section structure of ore heating furnace to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A U type blanking water cooling section structure of ore heating furnace, including blanking shell, the inside of blanking shell is equipped with blanking inner shell, the top of blanking shell is fixedly connected with sealing plate, the bottom of blanking inner shell is fixedly connected with the discharge pipe, the bottom of discharge pipe penetrates blanking shell and extends to the below of blanking shell, the inside of blanking shell is equipped with upper annular pipe, the bottom surface of upper annular pipe is fixedly connected with a plurality of drain pipes, the inside of blanking shell is equipped with lower annular pipe, the upper surface of lower annular pipe is fixedly connected with a plurality of circulating pipes, and the top of each circulating pipe penetrates blanking shell and extends to the inside of blanking shell, the inner bottom wall of blanking shell is fixedly installed with two temperature sensors, and the front of blanking shell is fixedly installed with controller.

[0007] In further embodiments, the outer surface of the upper annular pipe is fixedly connected with a water injection fitting, the outer surface of the lower annular pipe is fixedly connected with a drain fitting, the outer surface of the water injection fitting is fixedly connected with a water injection solenoid valve, and the outer surface of the drain fitting is fixedly connected with a drain solenoid valve.

[0008] In further embodiments, the inner wall of the blanking shell is fixedly connected with an annular fixed plate, the inner ring of the annular fixed plate is fixedly connected with the outer surface of the blanking inner shell, the outer surface of the blanking shell is fixedly connected with two mounting plates, and the bottom surface of each of the two mounting plates is provided with two mounting holes.

[0009] In further embodiments, the inner ring of the blanking shell is fixedly connected with two fixed blocks, and the side face of each of the two fixed blocks close to each other is fixedly connected with the outer surface of the upper annular pipe.

[0010] In further embodiments, the bottom surface of the blanking shell is fixedly connected with two fixed supporting blocks, and the bottom surface of each of the two fixed supporting blocks is fixedly connected with the upper surface of the lower annular pipe.

[0011] In further embodiments, the upper surface of the sealing plate is fixedly connected with a communication pipe, the top end of the communication pipe is fixedly connected with a communication flange, and the upper surface of the communication flange is provided with a plurality of connecting holes.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses, through blanking shell and blanking inner shell, can form U type cooling space, simultaneously utilize the setting of upper annular pipe and drain pipe, can make cooling water liquid discharge to the inside of blanking shell, will make cooling water liquid flow between blanking shell and blanking inner shell, and utilize the cooling water liquid of circulation, can reduce the discharge temperature of discharge pipe material, and then utilize the blanking water cooling section structure of this, can effectively reduce the temperature of the material in the discharge pipe, avoid the adhesion, caking phenomenon of material under high temperature, lead to the problem of the blockage of blanking passage. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the sectional view of the front view of U type blanking water cooling section structure of the ore smelting furnace;

[0015] Figure 2 It is the sectional view of the front view of U type blanking water cooling section structure of the ore smelting furnace;

[0016] Figure 3 It is the sectional view of the front view of U type blanking water cooling section structure of the ore smelting furnace;

[0017] Figure 4 It is the sectional view of the front view of U type blanking water cooling section structure of the ore smelting furnace.

[0018] In the drawing: 1, blanking shell;2, sealing plate;3, blanking inner shell;4, discharge pipe;5, upper annular pipe;6, drain pipe;7, temperature sensor;8, lower annular pipe;9, circulating pipe;10, drain joint;11, water injection joint;12, water injection electromagnetic valve;13, fixed supporting block;14, annular fixed plate;15, fixed block;16, communication pipe;17, communication flange;18, connecting hole;19, controller;20, mounting plate;21, mounting hole;22, drain electromagnetic valve. DETAILED DESCRIPTION

[0019] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation based on the orientation or positional relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0020] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-4In this utility model, a U-shaped feeding water-cooling section structure for a submerged arc furnace includes a feeding outer shell 1, an inner feeding shell 3 inside the feeding outer shell 1, a sealing plate 2 fixedly connected to the top of the feeding outer shell 1, a discharge pipe 4 fixedly connected to the bottom of the inner feeding shell 3, the bottom of the discharge pipe 4 penetrating the feeding outer shell 1 and extending to the bottom of the feeding outer shell 1, an upper annular pipe 5 inside the feeding outer shell 1, multiple drain pipes 6 fixedly connected to the bottom surface of the upper annular pipe 5, a lower annular pipe 8 inside the feeding outer shell 1, multiple circulation pipes 9 fixedly connected to the upper surface of the lower annular pipe 8, the top of each circulation pipe 9 penetrating the feeding outer shell 1 and extending into the interior of the feeding outer shell 1, and the inner bottom wall of the feeding outer shell 1... Two temperature sensors 7 are fixedly installed. A controller 19 is fixedly installed on the front of the feeding shell 1. The feeding shell 1 serves as the external frame of the entire U-shaped feeding water-cooling section structure, supporting and protecting the internal components and providing a mounting base for other parts. The feeding inner shell 3 is located inside the feeding shell 1 and is used to contain materials, forming a feeding channel to guide the materials from the top down to the discharge pipe 4. The sealing plate 2 is fixed to the top of the feeding shell 1 to seal the top of the feeding shell 1, preventing material leakage and the entry of external impurities, and ensuring the stability of the internal cooling environment. The discharge pipe 4 is responsible for conveying the cooled materials to the electric arc furnace and is the final channel for the materials to enter the electric arc furnace.

[0023] In a further embodiment, a water injection connector 11 is fixedly connected to the outer surface of the upper annular pipe 5, and a drain connector 10 is fixedly connected to the outer surface of the lower annular pipe 8. A water injection solenoid valve 12 is fixedly connected to the outer surface of the water injection connector 11, and a drain solenoid valve 22 is fixedly connected to the outer surface of the drain connector 10. An annular fixing plate 14 is fixedly connected to the inner wall of the discharge shell 1. The inner ring of the annular fixing plate 14 is fixedly connected to the outer surface of the discharge inner shell 3. Two mounting plates 20 are fixedly connected to the outer surface of the discharge shell 1. Two mounting holes 21 are opened on the bottom surface of each mounting plate 20. The water injection connector 11 facilitates connection to an external water injection pipe, allowing cooling water to enter the cooling system. The system interface includes a drain connector 10 for connecting to an external circulating water pipe to discharge used cooling water from the system. The water injection solenoid valve 12 is controlled by the controller 19 to adjust the injection volume and time of cooling water, achieving precise control of the cooling water volume. The drain solenoid valve 22 controls the drainage flow and time, working in conjunction with the water injection solenoid valve 12 to adjust the circulating water volume of the cooling system. The annular fixing plate 14 serves to fix and support the inner shell 3 of the material feeding shell, ensuring the stability of the inner shell 3 within the outer shell 1 of the material feeding shell. The mounting plate 20 and mounting holes 21 are used to install the entire U-shaped material feeding water-cooled section structure at the corresponding position in the electric arc furnace, achieving fixed installation of the structure.

[0024] In further embodiments, the inner ring of the blanking shell 1 is fixedly connected with two fixed blocks 15, the side face of the two fixed blocks 15 close to each other is fixedly connected with the outer surface of the upper annular pipe 5, the bottom surface of the blanking shell 1 is fixedly connected with two fixed supporting blocks 13, the bottom surface of the two fixed supporting blocks 13 is fixedly connected with the upper surface of the lower annular pipe 8, the upper surface of the sealing plate 2 is fixedly connected with a communication pipe 16, the top end of the communication pipe 16 is fixedly connected with a communication flange 17, the upper surface of the communication flange 17 is provided with a plurality of connecting holes 18, the fixed block 15 is used for fixing the upper annular pipe 5, and the position stability of the upper annular pipe 5 in the blanking shell 1 is ensured, the fixed supporting block 13 plays a role in supporting the lower annular pipe 8, and the stability of the lower annular pipe 8 is ensured, through the communication pipe 16 and the communication flange 17, other equipment can be conveniently connected through bolts and other connecting members, and the communication between the equipment is realized.

[0025] The working principle of the utility model is: first, the communication pipe 16 is communicated and installed with the submerged arc furnace through the communication flange 17, then the water injection joint 11 is communicated with the water cooling mechanism, the cooling water liquid can be discharged to the inside of the blanking shell 1 through the upper annular pipe 5 and the drain pipe 6, then the cooling water liquid can flow between the blanking shell 1 and the blanking inner shell 3, the cooling water liquid can reduce the discharging temperature of the material of the discharging pipe 4, effectively reduce the temperature of the material in the blanking pipe, cause the material to easily stick, block and other phenomena under high temperature, and block the blanking passage.

[0026] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A U-shaped water-cooling section structure of a downcomer of an electric arc furnace, characterized in that: The utility model relates to a material feeding device, including the material feeding shell (1), the inside of material feeding shell (1) is equipped with material feeding inner shell (3), the top of material feeding shell (1) is fixedly connected with sealing plate (2), the bottom of material feeding inner shell (3) is fixedly connected with the discharge pipe (4), the bottom of discharge pipe (4) penetrates material feeding shell (1) and extends to the below of material feeding shell (1), the inside of material feeding shell (1) is equipped with upper annular pipe (5), the bottom surface of upper annular pipe (5) is fixedly connected with a plurality of drain pipes (6), the inside of material feeding shell (1) is equipped with lower annular pipe (8), the upper surface of lower annular pipe (8) is fixedly connected with a plurality of circulation pipes (9), and the top of each circulation pipe (9) penetrates material feeding shell (1) and extends to the inside of material feeding shell (1), the inner bottom wall of material feeding shell (1) is fixedly installed with two temperature sensors (7), and the front of material feeding shell (1) is fixedly installed with controller (19).

2. A U-shaped water-cooling section structure of a raw material charging section of an electric arc furnace according to claim 1, characterized in that: The outer surface of upper annular pipe (5) is fixedly connected with water injection joint (11), the outer surface of lower annular pipe (8) is fixedly connected with drain joint (10), the outer surface of water injection joint (11) is fixedly connected with water injection electromagnetic valve (12), and the outer surface of drain joint (10) is fixedly connected with drain electromagnetic valve (22).

3. The U-shaped water cooling section structure of a smelting furnace according to claim 1, characterized in that: The inner wall of material feeding shell (1) is fixedly connected with annular fixed plate (14), the inner ring of annular fixed plate (14) is fixedly connected with the outer surface of material feeding inner shell (3), the outer surface of material feeding shell (1) is fixedly connected with two mounting plates (20), and the bottom of two mounting plates (20) is all provided with two mounting holes (21).

4. The U-shaped water-cooling section structure of a smelting furnace according to claim 1, characterized in that: The inner ring of material feeding shell (1) is fixedly connected with two fixed blocks (15), and the outer surface of upper annular pipe (5) is fixedly connected with the side of two fixed blocks (15) close to each other.

5. The U-shaped water-cooling section structure of a smelting furnace according to claim 1, characterized in that: The bottom of material feeding shell (1) is fixedly connected with two fixed supporting blocks (13), and the bottom of two fixed supporting blocks (13) is fixedly connected with the upper surface of lower annular pipe (8).

6. The U-shaped water-cooling section structure of a smelting furnace according to claim 1, characterized in that: The upper surface of sealing plate (2) is fixedly connected with communication pipe (16), the top of communication pipe (16) is fixedly connected with communication flange (17), and the upper surface of communication flange (17) is provided with a plurality of connecting holes (18).

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