Single-side type waste gas collecting device of small open type electroplating bath

Abstract

The utility model provides a single-side type waste gas collecting device of a small open type electroplating bath, the open type electroplating bath (10) is provided with a notch (12), and the width of the notch (12) does not exceed 700mm; the single-side type waste gas collecting device comprises an air suction module, wherein the air suction module comprises an air suction fan, a funnel-shaped air suction hood (31) communicated with the air suction fan, and a flow equalizing plate (41) mounted at an inlet of the air suction hood (31); the suction hood (31) is mounted on one side of the electroplating bath (10), and an inlet of the suction hood (31) faces the notch (12); the flow equalizing plate (41) shields part of or all the area of an inlet of the air suction cover (31), the flow equalizing plate (41) is provided with a plurality of through air inlets (43), and the total area of the air inlets (43) does not exceed 60% of the area of the flow equalizing plate (41). The device is favorable for collecting harmful waste gas of the open type electroplating bath, the safety of the open type electroplating bath is improved, and the occupational health risk is reduced.

Description

Technical Field

[0001] The utility model relates to the field of electroplating, and more specifically to a single-side waste gas collecting device for a small open electroplating tank. Background Art

[0002] Electroplating is a process used in many industries. During the electroplating process, harmful exhaust gas, smoke, etc. are often produced, and there are hidden risks of occupational hazards. In order to improve the efficiency of electroplating, many industries will use open electroplating tanks, that is, the slots of the electroplating tanks are open and unobstructed. This type of open electroplating tank poses a greater risk of occupational diseases to workers. Therefore, an improvement plan is urgently needed to reduce the occupational health risks and occupational disease hazards in the electroplating industry. To this end, the applicant, based on work experience and combined with the relevant research of the project "Research on Intelligent Monitoring Technology and Risk Assessment Model of Organic Chemical Toxics in the Workplace" (No.: JCYJ20200109150831878), studied relevant solutions. Utility Model Content

[0003] One purpose of the present application is to improve the safety of open electroplating tanks and reduce occupational health risks.

[0004] To this end, the utility model provides a single-sided waste gas collection device for a small open electroplating tank, wherein the open electroplating tank has a notch, and the width of the notch does not exceed 700 mm; the single-sided waste gas collection device includes an air suction module, and the air suction module includes an air suction fan, a funnel-shaped air suction hood connected to the air suction fan, and a flow equalizing plate installed at the inlet of the air suction hood; the air suction hood is installed on one side of the electroplating tank and the inlet of the air suction hood faces the notch; the flow equalizing plate blocks part or all of the area of ​​the inlet of the air suction hood, and the flow equalizing plate is provided with a plurality of air inlets passing through the flow equalizing plate, and the total area of ​​the air inlets does not exceed 60% of the area of ​​the flow equalizing plate.

[0005] As a preferred solution of the utility model, the air inlet is oblate, with a length between 60 mm and 90 mm and a width between 15 mm and 50 mm.

[0006] As a preferred embodiment of the present invention, the air inlet is oblate; the multiple air inlets form a plurality of rows, each row comprising a plurality of air inlets; among two adjacent rows of air inlets, one row of air inlets deviates from a preset distance in the horizontal direction so that the two rows of air inlets are staggered.

[0007] As a preferred solution of the utility model, the row spacing between two adjacent rows of air inlets is between 15 mm and 30 mm; in the same row of air inlets, the spacing between two adjacent air inlets is between 15 mm and 30 mm.

[0008] As a preferred solution of the utility model, the notch is square or rectangular, and the suction hood is installed on one side of the electroplating tank along the length direction of the notch.

[0009] As a preferred solution of the utility model, the suction hood is connected to the suction fan through a suction pipeline; a first switch is provided between the suction hood and the suction pipeline for controlling the wind speed of the suction hood.

[0010] As a preferred solution of the utility model, the height of the inlet of the suction hood is between 400 mm and 600 mm, and the width is between 450 mm and 850 mm.

[0011] As a preferred solution of the utility model, the flow equalizing plate is installed at 30mm~80mm inside the inlet of the air suction hood.

[0012] As a preferred solution of the present invention, the flow equalizing plate is detachably installed in the inlet of the air intake hood through a connecting piece.

[0013] As a preferred solution of the utility model, the air inlet of the flow equalizing plate is slit-shaped or flat-mouth-shaped; when the single-sided exhaust gas collecting device is working, the wind speed at the air inlet is 1.5 to 3.5 m / s.

[0014] As a preferred solution of the utility model, the suction hood is connected to the suction fan via a suction pipeline; the single-sided exhaust gas collection device also includes a first supporting structure for fixing the suction hood and / or the suction pipeline.

[0015] The single-sided exhaust gas collection device provided by the utility model includes an air suction module, which includes an air suction hood and a flow equalizing plate. The flow equalizing plate blocks part or all of the area of ​​the entrance of the air suction hood, and the total area of ​​the air inlet of the flow equalizing plate does not exceed 60% of the area of ​​the flow equalizing plate. The utility model is helpful to collect harmful exhaust gas from an open electroplating tank, improve the safety of the open electroplating tank, and reduce occupational health risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] To further reveal the specific technical content of this case, please first refer to the attached drawings, among which:

[0017] Figure 1 A schematic diagram of a single-side exhaust gas collection device for a small open electroplating tank provided in one embodiment of the utility model;

[0018] Figure 2 yes Figure 1 A schematic diagram of an air suction module of a single-sided exhaust gas collection device shown;

[0019] Figure 3 yes Figure 2A schematic diagram of an air suction hood and a flow equalizing plate of the air suction module shown;

[0020] Figure 4 yes Figure 3 An exploded schematic diagram of the air intake hood and its flow equalizing plate is shown;

[0021] Figure 5 yes Figure 4 Schematic diagram of the current equalizing plate shown. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described below in conjunction with the accompanying drawings of the present invention.

[0023] refer to Figure 1 and Figure 2 The single-sided exhaust gas collection device 100 provided in one embodiment of the utility model is suitable for a small open electroplating tank 10, and the open electroplating tank 10 has a slot 12. The small electroplating tank described in the utility model refers to a slot 12 whose width does not exceed 700 mm (millimeter); the slot 12 can be square, rectangular or other shapes, and the width of the narrowest part does not exceed 700 mm.

[0024] The single-sided exhaust gas collection device 100 includes an air suction module, wherein the air suction module includes an air suction fan (not shown in the figure), a funnel-shaped air suction hood 31 connected to the air suction fan through an air suction pipe 33, and a flow equalizer 41 installed at the inlet of the air suction hood 31. The air suction hood 31 is installed on one side of the electroplating tank 10, and the inlet of the air suction hood 31 faces the slot 12. The flow equalizer 41 blocks part or all of the area of ​​the inlet of the air suction hood 31, and the flow equalizer 41 is provided with a plurality of air inlets 43 passing through, and the total area of ​​the air inlets 43 does not exceed 60% of the area of ​​the flow equalizer 41.

[0025] In this embodiment, the slot 12 of the electroplating tank 10 is square or rectangular, and the suction hood 31 is installed on one side of the slot 12 along the length direction of the slot 12. It can be understood that more suction hoods 31 can be provided as needed, and the plurality of suction hoods 31 are preferably provided on one side of the slot 12 to avoid affecting the electroplating operation.

[0026] In this embodiment, the electrolytic tank 10 includes a plurality of side plates 14. The suction hood 31 is arranged at the top edge of the side plate. The suction hood 31 should be close to the liquid surface in the electroplating tank 10, for example, the lower edge of the suction hood 31 is no more than 150 mm away from the liquid surface.

[0027] In this embodiment, the single-sided exhaust gas collecting device 100 further includes a first supporting structure 34 , and the first supporting structure 34 is used to fix the air suction hood 31 and / or the air suction pipeline 33 .

[0028] When the suction fan is working, the fluid direction of the suction pipe 33 is as shown by the arrow F1, so that the harmful exhaust gas volatilized from the electroplating tank 10 is sucked away through the suction hood 31, thereby improving the safety of the open electroplating tank and helping to reduce occupational health risks.

[0029] A first switch 35 may be provided between the suction hood 31 and the suction duct 33 to control the wind speed of the suction hood 31. Preferably, the wind speed of the air inlet 43 of the suction hood 31 is 1.5 to 3.5 m / s. Understandably, the first switch 35 may also close or open the air duct of the suction hood 31. In the case where multiple suction hoods 31 of multiple electroplating tanks 10 share the suction duct 33, the first switch 35 is particularly convenient for controlling a portion of the suction hoods 31.

[0030] refer to Figures 3 to 5 , the height H1 of the inlet of the air hood 31 is between 400mm and 600mm, and the width W1 is between 450mm and 850mm. The flow equalizer 41 is detachably mounted to the inner side of the inlet of the air hood 31 through a connector 45. Preferably, the flow equalizer 41 is mounted at 30mm to 80mm inside the inlet of the air hood 31, and the air inlet 43 of the flow equalizer 41 is slit-shaped or flat-mouth-shaped. By setting the flow equalizer, the air suction capacity of the air hood 31 can be improved and the suction effect can be improved. Preferably, the wind speed on the side of the electroplating tank 10 away from the air hood 31 reaches 0.25 to 0.5 m / s.

[0031] The flow equalizing plate 41 includes a main body 42 and a plurality of air inlets 43 formed on the main body 42. The air inlets 43 are oblong in shape, with a length W2 between 60 mm and 90 mm and a width H2 between 15 mm and 50 mm, and more preferably, the width H2 between 15 mm and 30 mm. In the same row of air inlets 43, the spacing W3 between adjacent air inlets 43 is between 15 mm and 30 mm. The row spacing H3 between two adjacent rows of air inlets 43 is between 15 mm and 30 mm. Preferably, in two adjacent rows of air inlets 43, one row of air inlets 43 deviates by a certain distance in the horizontal direction, so that the two rows of air inlets 43 are staggered.

[0032] As an alternative, the air inlet 43 of the flow equalizing plate 41 is in a slit shape.

[0033] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A single-sided exhaust gas collection device for a small open electroplating tank, the open electroplating tank (10) having a slot (12), the width of the slot (12) not exceeding 700 mm, characterized in that: The single-sided exhaust gas collection device comprises an air suction module, which comprises an air suction fan, a funnel-shaped air suction hood (31) connected to the air suction fan, and a flow equalizing plate (41) installed at the inlet of the air suction hood (31); the air suction hood (31) is installed on one side of the electroplating tank (10) and the inlet of the air suction hood (31) faces the slot (12); the flow equalizing plate (41) blocks part or all of the area of ​​the inlet of the air suction hood (31), and the flow equalizing plate (41) is provided with a plurality of air inlets (43) passing through, and the total area of ​​the air inlets (43) does not exceed 60% of the area of ​​the flow equalizing plate (41).

2. The one-side exhaust gas collecting device according to claim 1, characterized in that: The air inlet (43) is oblate, with a length between 60 mm and 90 mm and a width between 15 mm and 50 mm.

3. The one-side exhaust gas collecting device according to claim 1, characterized in that: The air inlets (43) are oblong in shape; the multiple air inlets (43) form a plurality of rows, each row comprising a plurality of air inlets (43); in two adjacent rows of air inlets (43), one row of air inlets (43) deviates from a preset distance in the horizontal direction so that the two rows of air inlets (43) are arranged in a staggered manner.

4. The one-side exhaust gas collecting device according to claim 3, characterized in that: The row spacing between two adjacent rows of air inlets (43) is between 15 mm and 30 mm; and the spacing between two adjacent air inlets (43) in the same row of air inlets (43) is between 15 mm and 30 mm.

5. The one-side exhaust gas collecting device according to claim 1, characterized in that: The slot (12) is square or rectangular, and the suction hood (31) is installed on one side of the electroplating tank (10) along the length direction of the slot (12).

6. The single-sided exhaust gas collecting device according to claim 1, characterized in that: The air suction hood (31) is connected to the air suction fan via an air suction pipeline (33); a first switch (35) is provided between the air suction hood (31) and the air suction pipeline (33) for controlling the wind speed of the air suction hood (31).

7. The single-sided exhaust gas collecting device according to claim 1, characterized in that: The height of the inlet of the suction hood (31) is between 400 mm and 600 mm, and the width is between 450 mm and 850 mm.

8. The single-sided exhaust gas collecting device according to claim 1, characterized in that: The flow equalizing plate (41) is detachably mounted at a position 30 mm to 80 mm inside the inlet of the air suction hood (31).

9. The single-sided exhaust gas collecting device according to claim 1, characterized in that: The air inlet (43) of the flow equalizing plate (41) is in the shape of a slit or a flat mouth, and the wind speed at the air inlet (43) when the single-sided exhaust gas collection device is in operation is 1.5 to 3.5 m / s.

10. The single-sided exhaust gas collecting device according to claim 1, characterized in that: The suction hood (31) is connected to the suction fan via a suction pipeline (33); the single-sided exhaust gas collection device further comprises a first support structure (34) for fixing the suction hood (31) and / or the suction pipeline (33).

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