Steelmaking waste gas treatment equipment

Abstract

The utility model discloses steelmaking waste gas treatment equipment which comprises a waste gas absorption box and a water tank, a first suction fan is fixedly installed at the top end of the waste gas absorption box, the input end of the first suction fan is communicated with a gas inlet pipe, and the output end of the first suction fan is communicated with a first distribution pipe. The first distribution pipe is fixed to the top of an inner cavity of the waste gas absorption box, an upper net plate and a lower net plate are fixedly installed in the waste gas absorption box, the space between the upper net plate and the lower net plate is filled with activated carbon balls, a motor is fixedly installed on one side of the waste gas absorption box, and the output end of the motor is in driving connection with a stirring frame. A second suction fan is fixedly installed on one side of the bottom end of the waste gas absorption box, the output end of the second suction fan communicates with a second distribution pipe, the second distribution pipe is fixedly installed at the bottom of an inner cavity of the water tank, and a gas outlet communicating with the inner cavity of the water tank is formed in the top end of the water tank. The waste gas treatment device can be used for reliably treating and discharging waste gas.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a steel-making waste gas treatment device. Background Art

[0002] Steel-making is to put pig iron into a steel-making furnace and smelt it according to a certain process to obtain steel. The products of steel include steel ingots, continuous casting billets, and various steel castings directly cast. During the steel-making process, a lot of waste gas will be generated, which endangers the health of workers and also poses a great threat to the surrounding environment. Therefore, it is of great significance to design an efficient steel-making waste gas treatment device. Content of the Utility Model

[0003] The purpose of this application is to provide a steel-making waste gas treatment device to solve the problems raised in the above background art. To achieve the above purpose, the present application provides the following technical solutions: A steel-making waste gas treatment device includes a waste gas absorption tank and a water tank. A first suction fan is fixedly installed at the top of the waste gas absorption tank. The input end of the first suction fan is communicated with an air inlet pipe, and the output end of the first suction fan is communicated with a first distribution pipe. The first distribution pipe is fixed at the top of the inner cavity of the waste gas absorption tank. An upper net plate and a lower net plate are fixedly installed inside the waste gas absorption tank. Activated carbon balls are filled between the upper net plate and the lower net plate. A motor is fixedly installed on one side of the waste gas absorption tank. The output end of the motor is drivingly connected to a stirring frame. The stirring frame extends into the area between the upper net plate and the lower net plate. A second suction fan is fixedly installed at one side of the bottom end of the waste gas absorption tank. The output end of the second suction fan is communicated with a second distribution pipe. The second distribution pipe is fixedly installed at the bottom of the inner cavity of the water tank. An air outlet communicated with the inner cavity of the water tank is provided at the top of the water tank.

[0004] Preferably, a feed port leading to the chamber where the activated carbon balls are located is fixedly installed on the waste gas absorption tank. A sealing cover is buckled and installed on the feed port. A discharge port with a valve is communicated with one side of the bottom end of the chamber where the activated carbon balls are located.

[0005] Preferably, a horizontally arranged defoaming net is fixedly installed inside the water tank.

[0006] Preferably, a metal powder collection box is placed at the bottom end of the inner cavity of the waste gas absorption tank.

[0007] Preferably, a water inlet with a valve is provided on one side of the top of the water tank, and a water outlet with a valve is provided on one side of the bottom of the water tank.

[0008] Preferably, the first suction fan, the second suction fan, and the motor are electrically connected to an external power source.

[0009] In summary, the technical effects and advantages of the present utility model are as follows:

[0010] In the present utility model, waste gas generated during steelmaking is sent into the first distribution pipe through the intake pipe by the first suction fan and evenly distributed inside the waste gas absorption box. The waste gas is absorbed by the activated carbon balls, and the motor drives the stirring frame to stir the activated carbon balls, enabling the activated carbon balls to fully absorb the waste gas. After the waste gas is absorbed, it is sent into the water tank by the second suction fan to absorb the soluble water components, and then discharged from the air outlet. In this way, reliable treatment of the waste gas is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0012] Figure 1 It is a schematic structural diagram of a steelmaking waste gas treatment device in an embodiment of the present application.

[0013] In the figure: 1. Waste gas absorption box; 2. First suction fan; 3. Intake pipe; 4. First distribution pipe; 5. Upper grid plate; 6. Lower grid plate; 7. Activated carbon balls; 8. Motor; 9. Stirring frame; 10. Second suction fan; 11. Water tank; 12. Second distribution pipe; 13. Defoaming net; 14. Air outlet; 15. Metal powder collection box; 16. Discharge port; 17. Feed port; 18. Sealing cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than 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 efforts fall within the scope of protection of the present utility model.

[0015] In the description of the present disclosure, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present disclosure. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0016] It should also be noted that the standard parts used in this application document can all be purchased from the market, and can also be customized according to the descriptions in the specification and the drawings. Unless otherwise clearly specified and limited, the terms "installation", "connection", and "linkage" should be understood in a broad sense. For example, it 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, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in this disclosure can be understood according to specific circumstances. And in the case of no clear limitation, mechanical parts and equipment can all adopt the conventional models in the prior art.

[0017] In this article, the term "comprising" is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, the elements defined by the statement "comprising..." do not exclude the presence of additional identical elements in the process, method, article or device comprising the said elements.

[0018] Example: Refer to Figure 1 A steelmaking waste gas treatment device as shown, which includes a waste gas absorption tank 1 and a water tank 11. A first suction fan 2 is fixedly installed at the top end of the waste gas absorption tank 1. An air inlet pipe 3 is communicated with the input end of the first suction fan 2. An air distribution pipe 4 is communicated with the output end of the first suction fan 2. The air distribution pipe 4 is fixed at the top of the inner cavity of the waste gas absorption tank 1. A top net plate 5 and a bottom net plate 6 are fixedly installed inside the waste gas absorption tank 1. Activated carbon balls 7 are filled between the top net plate 5 and the bottom net plate 6. A motor 8 is fixedly installed on one side of the waste gas absorption tank 1. The output end of the motor 8 is drivingly connected with a stirring frame 9. The stirring frame 9 extends into the area between the top net plate 5 and the bottom net plate 6. A second suction fan 10 is fixedly installed at one side of the bottom end of the waste gas absorption tank 1. The output end of the second suction fan 10 is communicated with a second air distribution pipe 12. The second air distribution pipe 12 is fixedly installed at the bottom of the inner cavity of the water tank 11. An air outlet 14 communicated with the inner cavity is provided at the top end of the water tank 11. The waste gas generated by steelmaking is sent into the air distribution pipe 4 through the air inlet pipe by the first suction fan and evenly distributed inside the waste gas absorption tank. The waste gas is absorbed by the activated carbon balls. The motor drives the stirring frame to stir the activated carbon balls so that the activated carbon balls fully absorb the waste gas. After the waste gas is absorbed, it is sent into the water tank by the second suction fan to absorb the soluble components of water, and then discharged from the air outlet. In this way, the reliable treatment of waste gas is realized.

[0019] With the above structure: a feed port 17 leading to the chamber where the activated carbon balls 7 are located is fixedly installed on the waste gas absorption box 1, and a sealing cover 18 is buckled and installed on the feed port 17. One side of the bottom end of the chamber where the activated carbon balls 7 are located is communicated with a discharge port 16 with a valve. Opening the sealing cover allows new activated carbon balls to be sent into the chamber where the activated carbon balls are located, and opening the discharge port facilitates discharging the activated carbon balls saturated with absorption inside.

[0020] With the above structure: a horizontally arranged defoaming net 13 is fixedly installed inside the water tank 11 to prevent metal dust from escaping with the bubbles.

[0021] With the above structure: a metal powder collection box 15 is placed at the bottom end of the inner cavity of the waste gas absorption box 1 for collecting the fallen metal dust.

[0022] With the above structure: a water inlet with a valve is provided on one side of the top end of the water tank 11, and a water outlet with a valve is provided on one side of the bottom end of the water tank 11.

[0023] With the above structure: the first suction fan 2, the second suction fan 10 and the motor 8 are electrically connected to an external power supply.

[0024] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A steelmaking waste gas treatment device, characterized in that: The invention comprises an exhaust gas absorption box (1) and a water tank (11), wherein a first suction fan (2) is fixedly installed at the top of the exhaust gas absorption box (1), an input end of the first suction fan (2) is connected to an air intake pipe (3), an output end of the first suction fan (2) is connected to a first distribution pipe (4), the first distribution pipe (4) is fixed to the top of the inner cavity of the exhaust gas absorption box (1), an upper mesh plate (5) and a lower mesh plate (6) are fixedly installed inside the exhaust gas absorption box (1), activated carbon balls (7) are filled between the upper mesh plate (5) and the lower mesh plate (6), and the exhaust gas absorption box (1) is provided with a plurality of air intake pipes (3) and an air intake pipe (4) connected to the first distribution pipe (4). A motor (8) is fixedly mounted on one side of the collecting box (1); the output end of the motor (8) is driven and connected to a stirring frame (9); the stirring frame (9) is passed into the area between the upper mesh plate (5) and the lower mesh plate (6); a second suction fan (10) is fixedly mounted on one side of the bottom end of the exhaust gas absorption box (1); the output end of the second suction fan (10) is connected to a second distribution pipe (12); the second distribution pipe (12) is fixedly mounted on the bottom of the inner cavity of the water tank (11); and the top end of the water tank (11) is provided with an air outlet (14) connected to its inner cavity.

2. The steelmaking waste gas treatment equipment according to claim 1, characterized in that: A feed port (17) leading to the chamber where the activated carbon balls (7) are located is fixedly mounted on the waste gas absorption box (1), a sealing cover (18) is buckled and mounted on the feed port (17), and a discharge port (16) with a valve is connected to one side of the bottom end of the chamber where the activated carbon balls (7) are located.

3. The steelmaking waste gas treatment equipment according to claim 1, characterized in that: A transverse defoaming net (13) is fixedly installed inside the water tank (11).

4. The steelmaking waste gas treatment equipment according to claim 1, characterized in that: A metal powder collection box (15) is placed at the bottom end of the inner cavity of the exhaust gas absorption box (1).

5. The steelmaking waste gas treatment equipment according to claim 1, characterized in that: A water inlet with a valve is provided on one side of the top end of the water tank (11), and a water outlet with a valve is provided on one side of the bottom end of the water tank (11).

6. The steelmaking waste gas treatment equipment according to claim 1, characterized in that: The first suction fan (2), the second suction fan (10) and the motor (8) are electrically connected to an external power source.

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