A cold rolling mill uncoiler hood oil mist recovery device

Abstract

The utility model provides a cold rolling mill uncoils smoke cover oil mist recovery device, including smoke cover, smoking mouth, plugging end, airflow fan, support frame, collection airflow pipe and oil fume collection area, wherein: smoking mouth is located in the below of smoke cover, and plugging end fixed mounting is in one end of smoke cover, this airflow fan is fixedly installed through support frame in the above of smoke cover, collection airflow pipe fixed mounting is on the air outlet of airflow fan, and fixedly installed in the inside of smoke cover, oil fume collection area fixed mounting is in the other end of smoke cover, the utility model discloses collection airflow pipe and the setting of oil fume collection area can effectively extract the oil mist produced and transmit, and the oil mist of collection can effectively carry out the collection.

Description

Technical Field

[0001] This utility model relates to the field of cold rolling mill technology, and in particular to an oil mist recovery device for a cold rolling mill uncoiling hood. Background Technology

[0002] The uncoil fume hood of a cold rolling mill is an indispensable key environmental protection device in a modern cold rolling production line. Its core function is to systematically control the oil mist and emulsion generated during the rolling process. During high-speed rolling, a large number of emulsion droplets with a particle size of 0.1-50μm are generated in the contact area between the rolls and the strip. These droplets not only reduce visibility in the workshop, but existing oil mist recovery devices in cold rolling mill uncoil fume hoods still have the problem of not being able to effectively extract and transport the generated oil mist, and the collected oil mist cannot be effectively collected.

[0003] Therefore, it is essential to invent a cold rolling mill unwinding smoke hood oil mist recovery device. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides an oil mist recovery device for a cold rolling mill uncoiling hood, solving the issues that existing cold rolling mill uncoiling hood oil mist recovery devices still cannot effectively extract and transport the generated oil mist, and the collected oil mist cannot be effectively collected. An oil mist recovery device for a cold rolling mill uncoiling hood includes a hood, a smoke extraction port, a sealing end, an airflow fan, a support frame, a collecting airflow pipe, and an oil fume collection area. The smoke extraction port is located at the bottom of the hood, and the sealing end is fixedly installed at one end of the hood. The airflow fan is fixedly installed above the hood via the support frame. The collecting airflow pipe is fixedly installed at the outlet of the airflow fan and inside the hood. The oil fume collection area is fixedly installed at the other end of the hood.

[0005] The airflow collection duct includes a guide duct, a connecting sealing port, a support frame, and a protective collection shell. The connecting sealing port is fixedly installed at the upper end of the guide duct, which is fixedly installed on the air outlet of the airflow fan through the connecting sealing port. The guide duct is suspended from the top inside the fume hood by the support frame. The protective collection shell is fixedly installed on the outside of the guide duct.

[0006] The fume collection area includes a housing, a mounting top plate, and a filter element. The mounting top plate is fixedly installed on the top of the housing, and the filter element is fixedly installed inside the housing. The housing is slidably installed at one end of the fume hood, and its position is fixed by the connection between the mounting top plate and the fume hood.

[0007] The guide duct inside the collecting airflow pipe is an "L"-shaped stainless steel metal pipe, and the inside of the guide duct is filled with high-speed airflow generated by an airflow fan. The air outlet direction of the guide duct is towards the oil fume collection area. Several guide ducts are used. By discharging airflow, the guide duct forms a high-speed airflow inside the fume hood, making the air pressure inside the fume hood lower than the outside air pressure, and finally drawing the oil mist below the smoke extraction port inward. The protective collection shell is a stainless steel metal shell, and the protective collection shell can be removed from the guide duct and replaced.

[0008] The internal filter element of the fume collection area is a wire mesh filter element composed of multiple layers of stainless steel wire mesh, and the filter element allows the airflow generated by the collection airflow pipe to pass through itself; the entire fume collection area can be pulled out and replaced from one end of the fume hood.

[0009] Compared with the prior art, the present invention has the following beneficial effects: The present invention features a collection airflow pipe that generates a high-speed airflow under the drive of an airflow fan through a guide air duct, forming a low-pressure zone inside the fume hood and forcing the oil mist to be drawn in directionally from the smoke extraction port; the L-shaped stainless steel pipe structure combined with the protective collection shell achieves primary separation of the oil mist and is stably fixed by the support frame.

[0010] The oil fume collection area of ​​this utility model achieves ultimate filtration of oil mist through its internal multi-layer stainless steel wire mesh filter element. The sliding and detachable housing design facilitates quick maintenance and replacement, while the system maintains negative pressure balance by adjusting airflow resistance. Its stainless steel housing also has fireproof and explosion-proof functions, making it a key terminal component to ensure that oil mist emissions meet standards and that the equipment operates safely. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] Figure 2 This is a schematic diagram of the structure of the airflow collection tube of this utility model.

[0013] Figure 3 This is a schematic diagram of the structure of the oil fume collection area of ​​this utility model.

[0014] In the picture: 1. Fume hood, 2. Smoke outlet, 3. Sealing end, 4. Airflow fan, 5. Support frame, 6. Airflow collection pipe, 61. Guide duct, 62. Connecting sealing port, 63. Support frame, 64. Protective collection shell, 7. Oil fume collection area, 71. Housing shell, 72. Mounting top plate, 73. Filter element. Detailed Implementation

[0015] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0016] As attached Figure 1 To be continued Figure 3 As shown.

[0017] This utility model provides an oil mist recovery device for a cold rolling mill uncoiling hood, comprising a hood 1, a smoke extraction port 2, a sealing end 3, an airflow fan 4, a support frame 5, a collecting airflow pipe 6, and an oil fume collection area 7. The smoke extraction port 2 is located below the hood 1, and the sealing end 3 is fixedly installed at one end of the hood 1. The airflow fan 4 is fixedly installed above the hood 1 via the support frame 5. The collecting airflow pipe 6 is fixedly installed at the outlet of the airflow fan 4 and inside the hood 1. The oil fume collection area 7 is fixedly installed at the other end of the hood 1.

[0018] The airflow collection pipe 6 includes a guide pipe 61, a docking sealing port 62, a support frame 63, and a protective collection shell 64. The docking sealing port 62 is fixedly installed at the upper end of the guide pipe 61, and the guide pipe 61 is fixedly installed on the air outlet of the airflow fan 4 through the docking sealing port 62. The guide pipe 61 is suspended from the top inside the fume hood 1 by the support frame 63. The protective collection shell 64 is fixedly installed on the outside of the guide pipe 61.

[0019] The fume collection area 7 includes a housing 71, a mounting top plate 72, and a filter element 73. The mounting top plate 72 is fixedly installed on the top of the housing 71, and the filter element 73 is fixedly installed inside the housing 71. The housing 71 is slidably installed on one end of the fume hood 1, and its position is fixed by the connection between the mounting top plate 72 and the fume hood 1.

[0020] The guide duct 61 inside the collecting airflow duct 6 is an "L"-shaped stainless steel metal pipe, and the interior of the guide duct 61 is filled with high-speed airflow generated by the airflow fan 4. The air outlet direction of the guide duct 61 is towards the oil fume collection area 7. Several guide ducts 61 are used. By discharging airflow, the guide duct 61 forms a high-speed airflow inside the fume hood 1, making the air pressure inside the fume hood 1 lower than the outside air pressure, and finally drawing the oil mist below the smoke extraction port 2 inward. The protective collection shell 64 is a stainless steel metal shell, and the protective collection shell 64 can be removed from the guide duct 61 and replaced.

[0021] The internal filter element 73 of the fume collection area 7 is a wire mesh filter element composed of multiple layers of stainless steel wire mesh, and the filter element 73 allows the airflow generated by the collection airflow pipe 6 to pass through itself; the entire fume collection area 7 can be pulled out and replaced from one end of the fume hood 1.

[0022] This cold rolling mill uncoiling hood oil mist recovery device adopts the working principle of negative pressure suction and multi-stage filtration. The airflow fan 4 drives the collection airflow pipe 6 to create a stable negative pressure within the hood 1, forcibly drawing in oil mist from the rolling zone through the exhaust port 2. As the oil mist is conveyed through the guide duct 61, large particles are initially separated in the protective collection shell 64, and then enter the oil fume collection area 7 for fine filtration by the filter element 73, ultimately achieving an oil mist purification efficiency of over 95%. The entire system features a modular design for convenient maintenance, stainless steel construction for corrosion and explosion protection, and PLC automatic monitoring to ensure operational stability, effectively solving the oil mist pollution problem in cold rolling mill production.

[0023] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solution described in this utility model, or by designing a similar technical solution inspired by the technical solution described in this utility model, falls within the protection scope of this utility model.

Claims

1. A cold rolling mill unwinding hood oil mist recovery device, characterized in that: It includes a fume hood (1), a smoke extraction port (2), a sealing end (3), an airflow fan (4), a support frame (5), a collecting airflow pipe (6), and an oil fume collection area (7), wherein: the smoke extraction port (2) is located below the fume hood (1), and the sealing end (3) is fixedly installed at one end of the fume hood (1); the airflow fan (4) is fixedly installed above the fume hood (1) through the support frame (5); the collecting airflow pipe (6) is fixedly installed on the air outlet of the airflow fan (4) and fixedly installed inside the fume hood (1); the oil fume collection area (7) is fixedly installed at the other end of the fume hood (1).

2. The oil mist recovery device for the uncoiling hood of a cold rolling mill as described in claim 1, characterized in that: The air collection pipe (6) includes a guide pipe (61), a docking sealing port (62), a support frame (63), and a protective collection shell (64). The docking sealing port (62) is fixedly installed at the upper end of the guide pipe (61), and the guide pipe (61) is fixedly installed on the air outlet of the airflow fan (4) through the docking sealing port (62). The guide pipe (61) is suspended at the top inside the fume hood (1) by the support frame (63). The protective collection shell (64) is fixedly installed on the outside of the guide pipe (61).

3. The oil mist recovery device for the unwinding hood of a cold rolling mill as described in claim 1, characterized in that: The fume collection area (7) includes a housing (71), a mounting plate (72), and a filter element (73). The mounting plate (72) is fixedly installed on the top of the housing (71), and the filter element (73) is fixedly installed inside the housing (71). The housing (71) is slidably installed on one end of the fume hood (1), and its position is fixed by the connection between the mounting plate (72) and the fume hood (1).

4. The oil mist recovery device for a cold rolling mill uncoiling hood as described in claim 2, characterized in that: The guide duct (61) inside the collecting airflow duct (6) is an "L"-shaped stainless steel metal pipe, and the guide duct (61) is filled with high-speed airflow generated by the airflow fan (4). The air outlet direction of the guide duct (61) is towards the oil fume collection area (7). Several guide ducts (61) are used. The guide duct (61) forms a high-speed airflow inside the fume hood (1) by exhausting airflow, so that the air pressure inside the fume hood (1) is lower than the outside air pressure, and finally the oil mist below the smoke extraction port (2) is drawn inward. The protective collection shell (64) is a stainless steel metal shell, and the protective collection shell (64) can be removed from the guide duct (61) and replaced.

5. The oil mist recovery device for the uncoiling hood of a cold rolling mill as described in claim 3, characterized in that: The internal filter element (73) of the fume collection area (7) is a wire mesh filter element composed of multiple layers of stainless steel wire mesh, and the filter element (73) allows the airflow generated by the collection airflow pipe (6) to pass through itself; the entire fume collection area (7) can be pulled out and replaced from one end of the fume hood (1).

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