Acid mist extraction equipment

Abstract

The present application provides an acid mist suction device, which relates to the technical field of copper foil manufacturing, including a box, a cleaning mechanism and a suction mechanism, wherein the box is used to be connected to a pickling tank, an input port and a drain port are provided on the box, and in the height direction of the box, the input port is higher than the drain port, the cleaning mechanism is arranged in the box, the cleaning mechanism is used to clean the acid mist crystals in the box, the suction mechanism is connected to the inside of the box, the suction mechanism is used to suck the acid mist above the pickling tank into the box through the input port, and the suction mechanism is also used to transport the acid mist sucked into the box to the acid mist treatment device. The acid mist suction device provided in the embodiment of the present application can extract the acid mist above the pickling solution, reduce the influence of the acid mist on the copper foil, and the cleaning mechanism can clean the acid mist crystals inside the box and at the input port, avoid the blockage of the input port, and improve the working stability of the acid mist suction device.

Description

Technical Field

[0001] The present application relates to the technical field of copper foil manufacturing, and in particular to an acid mist extraction device. Background Art

[0002] During the treatment of electrolytic copper foil, the copper sulfate solution in the roughening tank and the curing tank often produces acid mist. When the acid mist falls on the surface of the electrolytic copper foil, it will produce defects such as acid mist points and acid mist spots, resulting in poor appearance.

[0003] Therefore, how to extract the acid mist from between the copper foil and the pickling solution is an urgent problem to be solved. Utility Model Content

[0004] The embodiment of the present application provides an acid mist extraction device for solving the technical problem of how to extract the acid mist from between the copper foil and the pickling solution.

[0005] In order to achieve the above objectives, the embodiments of the present application provide the following technical solutions:

[0006] A first aspect of an embodiment of the present application provides an acid mist suction device, which includes a box, a cleaning mechanism and a suction mechanism;

[0007] The box is used to be connected to the pickling tank, and an input port and a drain port are provided on the box. In the height direction of the box, the input port is higher than the drain port;

[0008] The cleaning mechanism is arranged in the box body, and the cleaning mechanism is used to clean the acid mist crystals in the box body;

[0009] The suction mechanism is connected to the interior of the box, and is used to suck the acid mist above the pickling tank into the box through the input port. The suction mechanism is also used to transport the acid mist sucked into the box to the acid mist treatment equipment.

[0010] Based on the above technical solution, the present application can also be improved as follows.

[0011] In a possible implementation, the cleaning mechanism is disposed on the top of the box;

[0012] In the height direction of the box body, the cleaning mechanism is located at a higher position than the input port.

[0013] In a possible implementation, the box body is further provided with an output port, and the output port is communicated with the interior of the box body;

[0014] The suction mechanism has a suction pipeline, and the suction pipeline is connected to the interior of the box through the output port.

[0015] In a possible implementation, in the height direction of the box body, the output port is higher than the drain port, and the output port is located between the output port and the drain port;

[0016] And / or, the drain port is connected to a sewage pipeline, and the sewage pipeline is provided with a valve, and the valve is used to control the connection state between the sewage pipeline and the box.

[0017] In a possible implementation, the cleaning mechanism includes a spray pipe and a water supply member;

[0018] The spray pipe is arranged in the box body and close to the top, and the water supply part is used to supply water to the spray pipe;

[0019] The spray pipe is provided with a plurality of spray holes, and the spray pipe sprays the water in the spray pipe to the inner wall of the box body through the spray holes.

[0020] In a possible implementation, there are two spray pipes, the two spray pipes are arranged in parallel, and in the height direction of the box, the distances between the two spray pipes and the bottom of the box are the same.

[0021] In a possible implementation, the spray holes on the two spray pipes are arranged opposite to each other, and water sprayed from one spray pipe can be sprayed onto the spray hole of the other spray pipe, so that the two spray pipes can clean each other.

[0022] In a possible implementation, the spray pipe has a plurality of spray holes, and the plurality of spray holes are arranged at intervals along the length extension direction of the spray pipe;

[0023] And / or, the diameter of the spray hole is greater than or equal to 1 mm;

[0024] And / or, the water pressure in the spray pipe is greater than or equal to 0.1 MPa;

[0025] And / or, the distance between two adjacent spray holes is greater than or equal to 2 cm.

[0026] In a possible implementation, the spray pipe further includes a fan-shaped nozzle;

[0027] The fan-shaped nozzle is arranged at the spray hole, and is used to spray the water in the spray pipe into the box in a fan shape.

[0028] In a possible implementation, the input port is arranged toward the pickling tank, and in the height direction of the box body, the input port is higher than the liquid level of the pickling liquid in the pickling tank.

[0029] The embodiment of the present application provides an acid mist suction device, which includes a box connected to the pickling tank, a cleaning mechanism and a suction mechanism. By using the suction mechanism to suck the acid mist above the pickling liquid in the pickling tank through the input port on the box and collect it into the box, the probability of the acid mist spreading to the surroundings can be reduced. The suction mechanism further transports the acid mist collected in the box to the acid mist treatment device to treat the acid mist, which can realize the extraction of the acid mist above the pickling liquid, reduce the influence of the acid mist on the copper foil, and improve the quality of the copper foil.

[0030] Furthermore, by arranging a cleaning mechanism in the box body, so as to facilitate cleaning of the inside of the box body and the input port through the cleaning mechanism, the probability of the input port being blocked by acid mist crystallization can be reduced, thereby improving the working stability of the acid mist suction device. In the height direction of the box body, the height of the input port is equal to the height of the drain port, so that during the cleaning process of the box body, the problem of water after cleaning the box body not being able to be discharged through the drain port in time and flowing out from the input port can be avoided, thereby improving the working stability of the acid mist suction device. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0032] Figure 1 A schematic diagram of the structure of an acid mist extraction device provided in an embodiment of the present application;

[0033] Figure 2 A schematic diagram of the structure of an acid mist extraction device provided in an embodiment of the present application, when viewed from a top view, with the cover plate on the top of the box removed.

[0034] Description of reference numerals:

[0035] 100- cabinet;

[0036] 110-input port; 120-drainage port; 130-output port;

[0037] 200-cleaning mechanism;

[0038] 210-spray pipe; 220-spray hole;

[0039] 300-Suction mechanism;

[0040] 310-suction pipeline;

[0041] 400- sewage pipeline;

[0042] 410-valve;

[0043] 500-Connector. DETAILED DESCRIPTION

[0044] As described in the background technology, during the electrolytic copper foil treatment process, the copper sulfate solution in the roughening tank and the curing tank often produces acid mist. When the acid mist falls on the surface of the electrolytic copper foil, it will produce defects such as acid mist points and acid mist spots, resulting in poor appearance. In order to reduce or even avoid the occurrence of these defects, the existing processing machine series will install some baffles above the copper sulfate solution on both sides of the roughening tank and the curing tank, and connect the pipes at the bottom of the baffles to the exhaust fan to extract the acid mist generated by the copper sulfate solution.

[0045] In addition, for this type of acid mist exhaust device that is connected to the exhaust fan through a pipe at the bottom opening of the baffle, copper sulfate crystals will appear at the acid mist exhaust port due to low temperature over time, reducing the effect of acid mist exhaust. In severe cases, copper sulfate crystals will block the acid mist exhaust port. When copper sulfate crystals appear at the acid mist exhaust port, the machine often needs to be shut down and removed by manual cleaning. Each shutdown will reduce the output of electrolytic copper foil, and manual cleaning is laborious.

[0046] In view of the above technical problems, an embodiment of the present application provides an acid mist suction device, which includes a box connected to the pickling tank, a cleaning mechanism and a suction mechanism. By using the suction mechanism to suck the acid mist above the pickling liquid in the pickling tank through the input port on the box and collect it into the box, the probability of the acid mist diffusing to the surroundings can be reduced. The suction mechanism further transports the acid mist collected in the box to the acid mist treatment device to treat the acid mist, which can realize the extraction of the acid mist above the pickling liquid, reduce the influence of the acid mist on the copper foil, and improve the quality of the copper foil.

[0047] Furthermore, by arranging a cleaning mechanism in the box body, so as to facilitate cleaning of the inside of the box body and the input port through the cleaning mechanism, the probability of the input port being blocked by acid mist crystallization can be reduced, thereby improving the working stability of the acid mist suction device. In the height direction of the box body, the height of the input port is equal to the height of the drain port, so that during the cleaning process of the box body, the problem of water after cleaning the box body not being able to be discharged through the drain port in time and flowing out from the input port can be avoided, thereby improving the working stability of the acid mist suction device.

[0048] In order to make the above-mentioned purposes, features and advantages of the embodiments of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of this application.

[0049] refer to Figure 1 An embodiment of the present application provides an acid mist suction device, which may include a box body 100, a cleaning mechanism 200 and a suction mechanism 300.

[0050] In some embodiments, during the preparation of the copper foil, the surface of the copper foil needs to be pickled. During the pickling process, the tank body used to hold the pickling liquid such as copper sulfate solution can be a pickling tank, for example, a roughening tank in the roughening process, or a curing tank in the curing process can be a pickling tank. When the pickling liquid in the pickling tank is treated, the pickling liquid will volatilize, resulting in acid mist above the pickling liquid in the pickling tank, which will affect the surface of the copper foil.

[0051] The box 100 can be used to be connected to the pickling tank. For example, the box 100 can be fixedly arranged on the tank wall of the pickling tank, and the box 100 can be located above the liquid level of the pickling liquid in the pickling tank to avoid direct contact between the box 100 and the pickling liquid in the pickling tank.

[0052] The box 100 is provided with an input port 110 and a drain port 120. In the height direction of the box 100, the input port 110 is higher than the drain port 120. The suction mechanism 300 is connected to the inside of the box 100, and is used to suck the acid mist above the pickling tank into the box 100 through the input port 110. The suction mechanism 300 is also used to transport the acid mist sucked into the box 100 to the acid mist treatment equipment.

[0053] In a specific implementation, the suction mechanism 300 can suck the gas inside the box 100 to form a negative pressure inside the box 100. Since there is a negative pressure inside the box 100, the box 100 sucks the air outside the box 100 through the input port 110 under the action of the negative pressure, and can suck the acid mist in the air outside the box 100 into the box 100, and further use the suction mechanism 300 to extract the acid mist from the box 100 and transport it to the acid mist treatment equipment for acid mist treatment.

[0054] The cleaning mechanism 200 is disposed in the box 100, and is used to clean the acid mist crystals in the box 100. In some embodiments, the cleaning mechanism 200 can clean the inside of the box 100 and the input port 110 during the copper foil manufacturing process. The cleaning mechanism 200 can also clean the inside of the box 100 and the input port 110 after the copper foil manufacturing is completed, such as during the maintenance and overhaul of the equipment.

[0055] The embodiment of the present application provides an acid mist suction device, which may include a box 100 connected to the pickling tank, a cleaning mechanism 200 and a suction mechanism 300. By using the suction mechanism 300 to suck the acid mist above the pickling solution in the pickling tank through the input port 110 on the box 100 and collect it into the box 100, the probability of the acid mist diffusing to the surroundings can be reduced, and the impact of the acid mist on the quality of the copper foil can be reduced. The suction mechanism 300 further transports the acid mist collected in the box 100 to the acid mist treatment device to treat the acid mist, which can realize the extraction of the acid mist above the pickling solution, reduce the impact of the acid mist on the copper foil, and improve the quality of the copper foil.

[0056] Furthermore, by arranging the cleaning mechanism 200 in the box 100, so as to clean the inside of the box 100 and the input port 110 through the cleaning mechanism 200, the probability of the input port 110 being blocked by the crystallization of the acid mist can be reduced, and the working stability of the acid mist suction device is improved. In the height direction of the box 100, the height of the input port 110 is made higher than the height of the drain port 120, so that during the cleaning process of the box 100, the water after cleaning the box 100 cannot be discharged through the drain port 120 in time and flows into the input port 110, thereby improving the working stability of the acid mist suction device.

[0057] refer to Figure 1 In some embodiments, the input port 110 is disposed toward the pickling tank, and in the height direction of the box body 100 , the input port 110 is higher than the liquid level of the pickling solution in the pickling tank.

[0058] Thus, by arranging the input port 110 on the box 100 toward the pickling tank, the box 100 can conveniently suck the acid mist above the pickling liquid in the pickling tank into the box 100 through the input port 110, thereby improving the suction efficiency of the acid mist suction equipment.

[0059] Furthermore, in the height direction of the box body 100, the input port 110 is higher than the liquid level of the pickling liquid in the pickling tank, which can facilitate the suction of the acid mist above the liquid level of the pickling liquid and reduce the probability of the pickling liquid in the pickling tank entering the input port 110, thereby improving the practicability of the acid mist suction equipment.

[0060] refer to Figure 1 In some embodiments, the cleaning mechanism 200 can be arranged on the top of the box body 100, so that the cleaning mechanism 200 can spray water downward from the inner top of the box body 100, so that the water sprayed by the cleaning mechanism 200 can cover a larger area of ​​the inner wall of the box body 100, thereby improving the cleaning effect of the cleaning mechanism 200 on the inner wall of the box body 100, increasing the cleaning area of ​​the cleaning mechanism 200, and the practicality of the acid mist suction equipment.

[0061] In the height direction of the box body 100 , the cleaning mechanism 200 is located at a higher position than the input port 110 .

[0062] In this way, the water sprayed by the cleaning mechanism 200 can be sprayed to the input port 110, so as to clean the acid mist crystals at the input port 110, reduce the probability of the input port 110 being blocked by the acid mist crystals, and improve the suction efficiency of the box 100 for the acid mist.

[0063] refer to Figure 1 In a possible implementation, the cleaning mechanism 200 can be connected to the inner wall of the box 100 through the connector 500 to achieve a detachable connection between the cleaning mechanism 200 and the box 100, which is convenient for separate repair and maintenance of the cleaning mechanism 200 and improves the flexibility of use of the acid mist suction equipment.

[0064] In a possible implementation, the connecting member 500 may be a clamping member, one end of which is connected to the inner wall of the box body 100 via a screw, and the clamping member is used to clamp the cleaning mechanism 200 .

[0065] refer to Figure 1 In some embodiments, the housing 100 is further provided with an outlet 130 , which is in communication with the interior of the housing 100 . The suction mechanism 300 has a suction pipeline 310 , which is in communication with the interior of the housing 100 through the outlet 130 .

[0066] In this way, the suction mechanism 300 includes a suction pipeline 310 and is connected to the output port 130 through the suction pipeline 310, so that the suction pipeline 310 is connected to the inside of the box 100, so that the suction mechanism 300 can suck the acid mist in the box 100.

[0067] Furthermore, by connecting the suction pipeline 310 with the output port 130 of the box 100, it is possible to avoid the situation in the prior art where the pipeline directly contacts the acid mist above the pickling tank when the pipeline is directly used to suck the acid mist above the pickling tank, thereby reducing the probability of the suction port of the suction pipeline 310 of the embodiment of the present application being corroded and damaged.

[0068] In some embodiments, there may be at least one suction pipeline 310, for example, there may be two suction pipelines 310, and the box body 100 also has two output ports 130 accordingly. The two suction pipelines 310 can be respectively arranged at the output ports 130 on the two opposite side walls of the box body 100. By setting multiple suction pipelines 310, the suction efficiency of the acid mist can be improved.

[0069] The suction mechanism 300 may further include a suction device 320 , which is connected to one end of the suction pipeline 310 away from the output port 130 , and is used to suck the acid mist in the box 100 to the outside of the box 100 through the suction pipeline 310 .

[0070] refer to Figure 1 In some embodiments, in the height direction of the box body 100 , the output port 130 is higher than the drain port 120 , and the output port 130 is located between the output port 130 and the drain port 120 .

[0071] In this way, in the height direction of the box body 100, by making the height of the output port 130 higher than the drain port 120, it is possible to prevent the sewage from flowing into the output port 130 before being discharged from the drain port 120 when the cleaning mechanism 200 cleans the box body 100, thereby reducing the probability of sewage flowing into the suction pipeline 310, reducing the impact of sewage on the suction equipment, and improving the practicability of the acid mist suction equipment.

[0072] refer to Figure 1 In some embodiments, the drain port 120 is connected to a drain pipe 400, and the drain pipe 400 has a valve 410, which is used to control the connection between the drain pipe 400 and the box 100. For example, when the cleaning mechanism 200 is not needed to clean the box 100, the valve 410 can block the connection between the drain pipe 400 and the drain port 120.

[0073] In this way, when the acid mist suction equipment is sucking acid mist, the valve 410 is used to block the connection between the sewage pipe 400 and the drain port 120, thereby preventing the acid mist in the box 100 from entering the sewage pipe 400 through the drain port 120, reducing the corrosion and damage of the sewage pipe 400 by the acid mist, and improving the service life of the sewage pipe 400, thereby improving the practicability of the acid mist suction equipment.

[0074] refer to Figure 1 In some embodiments, the cleaning mechanism 200 may include a spray pipe 210 and a water supply member (not shown). The spray pipe 210 is disposed in the box 100 and near the top. The water supply member can be disposed outside the box 100. The water supply member can pass through the wall of the box 100 to communicate with the spray pipe 210 in the box 100. The water supply member can be used to provide water for cleaning the box 100 to the spray pipe 210.

[0075] The spray pipe 210 is provided with a plurality of spray holes 220 , and the spray pipe 210 sprays the water in the spray pipe 210 onto the inner wall of the box body 100 through the spray holes 220 .

[0076] In this way, the cleaning mechanism 200 includes a spray pipe 210 and a water supply part, so that water is supplied to the spray pipe 210 through the water supply part, and the water in the spray pipe 210 is sprayed into the box 100 and the input port 110 through the spray hole 220 on the spray pipe 210, so as to clean the acid mist crystals in the box 100 and at the input port 110. The cleaning mechanism 200 includes the spray pipe 210 and the water supply part, which can simplify the structure of the cleaning mechanism 200, reduce the manufacturing cost of the cleaning mechanism 200, and further reduce the manufacturing cost of the acid mist suction equipment.

[0077] refer to Figure 1 In some embodiments, there are two spray pipes 210 , which are arranged in parallel, and in the height direction of the box body 100 , the distances between the two spray pipes 210 and the bottom of the box body 100 are the same.

[0078] In this way, by setting up two spray pipes 210 and spraying water into the box body 100 and the input port 110 at the same time through the two spray pipes 210, the spraying area inside the box body 100 can be increased, which facilitates the cleaning of the acid mist crystals in the box body 100 and the input port 110, thereby improving the cleaning efficiency of the acid mist crystals in the box body 100 and the input port 110 and improving the practicability of the acid mist suction equipment.

[0079] refer to Figure 2 In some embodiments, the spray holes 220 on the two spray pipes 210 are arranged opposite to each other, and the water sprayed from one spray pipe 210 can be sprayed onto the spray hole 220 of the other spray pipe 210, so that the two spray pipes 210 can clean each other.

[0080] In this way, by arranging the spray holes 220 on the two spray pipes 210 relative to each other, the water sprayed from the spray holes 220 of the two spray pipes 210 can be sprayed onto the other opposite spray pipe 210, so that the two spray pipes 210 can be cleaned each other, and then while cleaning the acid mist crystals inside the box 100, the acid mist crystals on the spray pipes 210 can also be cleaned, thereby improving the practicability of the cleaning mechanism 200, and then improving the practicability of the acid mist suction equipment.

[0081] refer to Figure 2 In some embodiments, the spray pipe 210 has a plurality of spray holes 220 , and the plurality of spray holes 220 are arranged at intervals along the length extension direction of the spray pipe 210 .

[0082] In this way, by setting a plurality of spray holes 220 on the spray pipe 210, the spraying area of ​​the spray pipe 210 can be increased, so that the water sprayed from the spray pipe 210 can cover a larger area of ​​the inner wall of the box 100, thereby improving the cleaning effect of the acid mist crystals on the inner wall of the box 100 and improving the practicality and cleaning efficiency of the cleaning mechanism 200.

[0083] In some embodiments, the diameter of the spray hole 220 can be greater than or equal to 1 mm, which can avoid the problem that too little water is sprayed out of the spray hole 220 due to the small diameter of the spray hole 220, thereby affecting the spraying effect.

[0084] It is understandable that the water pressure in the spray pipe 210 is greater than or equal to 0.1 MPa, which can ensure that the water sprayed from the spray hole 220 has sufficient pressure so that the sprayed water can reach the inner wall of the box 100 and flush the inner wall of the box 100, thereby improving the cleaning effect of the cleaning mechanism 200.

[0085] It is understandable that the distance between two adjacent spray holes 220 on a spray pipe 210 is greater than or equal to 2 cm. In this way, by making the distance between two adjacent spray holes 220 on a spray pipe 210 greater than or equal to 2 cm, the coverage area of ​​the water sprayed by the spray pipe 210 on the inner wall of the box 100 can be further expanded, and the cleaning effect of the cleaning mechanism 200 can be further improved.

[0086] refer to Figure 1 and Figure 2 In some embodiments, the spray pipe 210 may further include a fan-shaped nozzle (not shown in the figure), which is arranged at the spray hole 220 and is used to spray the water in the spray pipe 210 into the box 100 in a fan shape.

[0087] In this way, by arranging a fan-shaped nozzle on the spray hole 220, so that the water in the spray pipe 210 is sprayed out through the fan-shaped nozzle, and the water sprayed from the fan-shaped nozzle is sprayed in a fan shape to the inner wall of the box 100, compared with the method of spraying water directly through the spray hole 220, the spraying area of ​​the water when spraying can be further expanded, thereby increasing the coverage area of ​​the sprayed water in the box 100, improving the cleaning effect of the acid mist crystals on the inner wall of the box 100, and improving the practicability of the acid mist suction equipment.

[0088] The various embodiments or implementation methods in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be referenced to each other.

[0089] It should be noted that the phrases "in specific implementation", "in some embodiments", "in this embodiment", "exemplarily" and the like mentioned in the specification indicate that the described embodiment may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing specific features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments that are explicitly or not explicitly described.

[0090] In general, terms should be understood, at least in part, by the context in which they are used. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending, at least in part, on the context. Similarly, terms such as "a," "an," or "the" may also be understood to convey singular usage or to convey plural usage, depending, at least in part, on the context.

[0091] It should be easily understood that “on,” “above,” and “over” in the present disclosure should be interpreted in the broadest manner, so that “on” not only means “directly on something,” but also includes the meaning of “on something” with intervening features or layers therebetween, and “above” or “over” not only includes the meaning of “above” or “over,” but also may include the meaning of “above” or “over something” with no intervening features or layers therebetween (i.e., directly on something).

[0092] In addition, spatially relative terms, such as "below," "below," "beneath," "above," "above," etc., may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein may likewise be interpreted accordingly.

[0093] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An acid mist extraction device, characterized in that: It includes a box body, a cleaning mechanism and a suction mechanism; The box is used to be connected to the pickling tank, and an input port and a drain port are provided on the box. In the height direction of the box, the input port is higher than the drain port; The cleaning mechanism is arranged in the box body, and the cleaning mechanism is used to clean the acid mist crystals in the box body; The suction mechanism is connected to the interior of the box, and is used to suck the acid mist above the pickling tank into the box through the input port. The suction mechanism is also used to transport the acid mist sucked into the box to the acid mist treatment equipment.

2. The acid mist extraction equipment according to claim 1, characterized in that: The cleaning mechanism is arranged on the top of the box; In the height direction of the box body, the cleaning mechanism is located at a higher position than the input port.

3. The acid mist extraction equipment according to claim 1, characterized in that: The box body is also provided with an output port, which is communicated with the interior of the box body; The suction mechanism has a suction pipeline, and the suction pipeline is connected to the interior of the box through the output port.

4. The acid mist extraction equipment according to claim 3, characterized in that: In the height direction of the box body, the output port is higher than the drain port, and the output port is located between the output port and the drain port; And / or, the drain port is connected to a sewage pipeline, and the sewage pipeline is provided with a valve, and the valve is used to control the connection state between the sewage pipeline and the box.

5. The acid mist extraction equipment according to any one of claims 1 to 4, characterized in that: The cleaning mechanism includes a spray pipe and a water supply member; The spray pipe is arranged in the box body and close to the top, and the water supply part is used to supply water to the spray pipe; The spray pipe is provided with a plurality of spray holes, and the spray pipe sprays the water in the spray pipe to the inner wall of the box body through the spray holes.

6. The acid mist extraction equipment according to claim 5, characterized in that: There are two spray pipes, which are arranged in parallel, and in the height direction of the box body, the distances from the two spray pipes to the bottom of the box body are the same.

7. The acid mist extraction equipment according to claim 6, characterized in that: The spray holes on the two spray pipes are arranged opposite to each other, and the water sprayed from one spray pipe can be sprayed onto the spray hole of the other spray pipe, so that the two spray pipes can clean each other.

8. The acid mist extraction equipment according to claim 5, characterized in that: The spray pipe is provided with a plurality of spray holes, and the plurality of spray holes are arranged at intervals along the length extension direction of the spray pipe; And / or, the diameter of the spray hole is greater than or equal to 1 mm; And / or, the water pressure in the spray pipe is greater than or equal to 0.1 MPa; And / or, the distance between two adjacent spray holes is greater than or equal to 2 cm.

9. The acid mist extraction equipment according to claim 5, characterized in that: The spray pipe also includes a fan-shaped nozzle; The fan-shaped nozzle is arranged at the spray hole, and is used to spray the water in the spray pipe into the box in a fan shape.

10. The acid mist extraction equipment according to any one of claims 1 to 4, characterized in that: The input port is arranged toward the pickling tank, and in the height direction of the box body, the input port is higher than the liquid level of the pickling liquid in the pickling tank.

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