Dust collection suction hood special for hot repair station of iron and steel plant

Abstract

The utility model discloses a dust collection suction hood special for a hot repair station of a steel plant, which comprises a suction hood body, two symmetrical opening and closing doors are arranged on the suction hood body, and air cylinder assemblies are arranged on the suction hood body corresponding to the positions of the opening and closing doors. An operation platform is arranged on the side, away from the opening and closing door, of the side face of the suction hood body, an operation baffle is arranged on the operation platform, and an oxygen blowing opening is formed in the operation baffle. According to the utility model, the defect that no dust collection hood is provided when steel slag is cleaned during hot repair of the steel ladle in China is overcome, pollutants are synchronously generated and synchronously cleaned and recycled, and the environment of a production space can be effectively protected.

Description

Technical Field

[0001] The utility model relates to the technical field of dust collection, in particular to a special dust collection suction hood for a hot repair station in a steel plant. Background Art

[0002] In the process of cleaning hot slag, hot repair ladle will release a large amount of high temperature dusty flue gas, polluting the environment. Many industrial countries with advanced purification technology for steel plants have passed the initial stage and entered the mature stage of development, while my country's steel plants have large hot repair ladle input, high oxygen intensity, poor plant conditions, and purification technology started late.

[0003] Existing foundries and steel mills generate a lot of smoke and dust during the cleaning process of hot slag, so a smoke and dust collection hood dedicated to the hot repair station is needed for treatment. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a special dust collection suction hood for the hot repair station of a steel plant, which makes up for the lack of a dust collection hood when cleaning slag in the domestic hot repair ladle. Pollutants are cleaned and recycled simultaneously when they are produced, which can effectively protect the environment of the production space.

[0005] In order to solve the above technical problems, the utility model provides a dust collection hood specially used for hot repair stations in steel plants, characterized in that it comprises a hood body, on which two symmetrical switch doors are arranged, a cylinder assembly is arranged on the hood body corresponding to the position of each switch door, an operating platform is arranged on the side of the hood body away from the switch door, an operating baffle is arranged on the operating platform, and an oxygen blowing port is arranged on the operating baffle.

[0006] Furthermore, four cylinder assemblies are provided, and every two of them correspond to one of the switch doors.

[0007] Furthermore, the suction hood body is a semi-enclosed structure, and a connection port for connecting to an external air duct is provided on the top.

[0008] Furthermore, a storage space is provided on the top of the suction hood body.

[0009] Furthermore, the suction hood body is supported and fixed by spaced-apart vertical square tubes, and reinforcing square tubes are arranged between the vertical square tubes.

[0010] Beneficial effects of the utility model: the device is semi-enclosed, and dilutes the high-temperature gas generated by hot repair by adding ambient air to reduce the temperature entering the air duct. A space for storing smoke and dust is provided on the top, and the smoke and dust gather to the highest point to prevent the dust from escaping instantly. The entrance of the suction hood body adopts a double-door design, which can effectively form a semi-enclosed space and prevent dust from overflowing without affecting the entry and exit of the hot repair ladle; 4 cylinders are installed on the door to control the opening and closing of the double door. The tail of the suction hood is semi-enclosed, and an operating platform is installed at the tail. An operating baffle is fixed on the platform, and an oxygen blowing port is left in the middle of the baffle, which is convenient for operation and ensures the safety of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a side view of the overall structure of the utility model.

[0012] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 3 It is a top view of the overall structure of the utility model.

[0014] Explanation of the numbers in the figure: 1. Suction hood body; 2. Switch door; 3. Cylinder assembly; 4. Operating platform; 5. Operating baffle; 6. Oxygen blowing port; 7. Connection port; 8. Column square tube; 9. Reinforced square tube. DETAILED DESCRIPTION

[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0016] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0017] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying 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 the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0018] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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, 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.

[0019] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0020] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0021] Reference Figures 1 to 3 As shown, an embodiment of a dust collection hood specially used for a hot repair station in a steel plant of the utility model comprises a hood body 1, on which two symmetrical switch doors 2 are arranged, a cylinder assembly 3 is arranged on the hood body 1 corresponding to the position of each switch door 2, an operating platform 4 is arranged on the side of the hood body 1 away from the switch door 2, an operating baffle 5 is arranged on the operating platform 4, and an oxygen blowing port 6 is arranged on the operating baffle 5.

[0022] When the hot repair ladle filled with hot slag moves to the front of the suction hood body 1, the cylinder assembly 3 starts, the double doors of the suction hood (that is, two symmetrical switch doors 2) open, and the hot repair ladle enters the suction hood body 1 and stops at the tail; at this time, the operator extends the air blowing pipe into the hot repair ladle through the oxygen blowing port 6 of the operating baffle 5. Under the high-speed blowing of the gas, the steel slag attached to the hot repair ladle is blown off, and the generated smoke moves upward under the action of the suction hood body 1 and is transported to the lower-level processing equipment through the pipeline. The operating baffle 5 blocks most of the steel slag splashing, which not only ensures the safety of the staff, but also ensures that the equipment is not damaged by the high-temperature hot slag. The linkage of the cylinder assembly 3 makes it easy to open the heavy double door, eliminating the manual opening and closing of the door 2, saving time and effort; the design of the double door makes it unnecessary to occupy a larger space when the suction hood body 1 is opened, and it can effectively form a semi-enclosed space to prevent dust from overflowing without affecting the entry and exit of the hot repair ladle.

[0023] Four cylinder assemblies 3 are provided, and every two cylinder assemblies correspond to one of the switch doors 2 .

[0024] The hood body 1 is a semi-enclosed structure, and a connection port 7 for connecting to an external air duct is provided on the top. The high-temperature gas generated by the heat repair is diluted by the introduction of ambient air to reduce the temperature entering the air duct.

[0025] A storage space is provided on the top of the hood body 1 to prevent instantaneous escaping of dust; the hood body 1 is supported and fixed by spaced-apart vertical square tubes 8, and reinforcing square tubes 9 are provided between the vertical square tubes 8, so that the structure has high strength.

[0026] The above-described embodiments are only preferred embodiments for fully illustrating the present utility model, and the protection scope of the present utility model is not limited thereto. Equivalent substitutions or changes made by technicians in the technical field on the basis of the present utility model are all within the protection scope of the present utility model. The protection scope of the present utility model shall be subject to the claims.

Claims

1. A dust collection hood specially used for hot repair stations in steel plants, characterized in that: The invention comprises a suction hood body (1), wherein two symmetrical switch doors (2) are arranged on the suction hood body (1), a cylinder assembly (3) is arranged at a position corresponding to each of the switch doors (2) on the suction hood body (1), an operating platform (4) is arranged on a side of the suction hood body (1) away from the switch doors (2), an operating baffle (5) is arranged on the operating platform (4), and an oxygen blowing port (6) is arranged on the operating baffle (5).

2. The dust collection hood for hot repair station in steel plant as claimed in claim 1, characterized in that: Four cylinder assemblies (3) are provided, and each two of them correspond to one of the switch doors (2).

3. The dust collection hood for hot repair station in steel plant as claimed in claim 1, characterized in that: The suction hood body (1) is a semi-enclosed structure, and a connection port (7) for connecting to an external air duct is provided on the top.

4. The special dust collection hood for hot repair station in steel plant as claimed in claim 1, characterized in that: A storage space is provided on the top of the suction hood body (1).

5. The dust collection hood for hot repair station in steel plant as claimed in claim 1, characterized in that: The suction hood body (1) is supported and fixed by vertical column square tubes (8) arranged at intervals, and reinforcing square tubes (9) are arranged between the vertical column square tubes (8).

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