Black shadow liquid cleaning switching method based on main tank and auxiliary tank and black shadow process spraying liquid medicine

Abstract

The invention provides a black shadow liquid cleaning switching method based on a main tank and an auxiliary tank and black shadow process spraying liquid medicine. The black shadow liquid cleaning and switching method based on the main tank and the auxiliary tank comprises the following steps that old liquid of the main black shadow tank is controlled to flow into a first filter bag through an old liquid outflow hose, and the old liquid of the main black shadow tank sequentially flows into a first buffer box and an auxiliary rotating tank after being filtered by the first filter bag; tank body cleaning operation is conducted on the main black shadow tank so that impurities in the main black shadow tank can be discharged; the new liquid in the auxiliary rotating tank is controlled to flow into a second filter bag through a new liquid inflow hose, so that the new liquid in the auxiliary rotating tank sequentially flows into a second buffer box and a main black shadow tank after being filtered by the second filter bag; cleaning the first filter bag outside the first buffer box; and the second filter bag is cleaned outside the second buffer box. Therefore, the problem that the spraying filter screen is blocked due to sludge and crystal residues in the backflow process of the black shadow liquid is effectively solved, and the problem that the spraying pressure in the main black shadow tank is reduced is avoided.

Description

Technical Field

[0001] The present disclosure relates to the technical field of black shadow process, and in particular to a black shadow liquid cleaning and switching method based on a main tank and a sub-tank, and a black shadow process spraying liquid. Background Art

[0002] In the black shadow process, the maintenance of the black shadow production tank is particularly important for production quality. After the black shadow production tank has been running for a long time, there will be graphite solidified crystals and sludge in the water bed and the lower tank. If it is not cleaned and production continues, it will lead to the problem of easy clogging of the filter screen, resulting in quality risks such as insufficient liquid level in the production water bed. Therefore, the black shadow production tank needs to be emptied regularly like chemical copper deposition. In the copper deposition process, the copper deposition tank is generally emptied once a few days to a week, while in the black shadow process, the black shadow production tank is generally emptied once a month. The process of emptying the tank is as follows: clean the spare sub-tank → pump the black shadow liquid from the production tank to the spare sub-tank → clean the black shadow production tank → pump the black shadow liquid in the spare sub-tank back to the production tank.

[0003] However, since the crystals in the spare sub-tank are not easy to be completely cleaned after adhering to the cylinder wall, crystals are prone to exist in the spare sub-tank when the tank is poured. Since the tank pouring pipeline is long, the black shadow liquid remaining in the pipeline is prone to form sludge or crystals after each tank pouring. Since crystals are prone to exist in the spare sub-tank and there is sludge or crystals in the pipeline, after the black shadow production tank is cleaned, when the black shadow liquid in the spare sub-tank is pumped back to the production tank, the sludge or crystals will be pumped into the black shadow production tank, making it easier for impurities such as sludge and crystals to clog the spray filter, resulting in a decrease in spray pressure and poor quality. In order to avoid the problem of reduced spray pressure, the machine needs to be turned on repeatedly after each tank pouring to repeatedly clean the filter for more than 5 times, which takes several hours or even more time to maintain a balanced operating state without clogging the filter and reducing the spray pressure. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a method for cleaning and switching black shadow liquid based on the main and auxiliary tanks and a black shadow process spray liquid, which avoids the problem of pumping impurities such as sludge and crystals into the black shadow production tank, thereby avoiding the problem of reducing the spray pressure and reducing the cyclic repeated cleaning time.

[0005] A method for cleaning and switching black shadow liquid based on a main and auxiliary tanks is performed using a black shadow device, wherein the black shadow device includes a main black shadow tank, a first filter hanging box, an old liquid outflow hose, an auxiliary tank, a second filter hanging box, and a new liquid inflow hose;

[0006] The first filter hanging box includes a first buffer box and a first filter bag, the first buffer box is arranged on the top of the auxiliary transfer tank, the first buffer box is connected to the auxiliary transfer tank, the first filter bag is arranged at the opening of the first buffer box, the first end of the old liquid outflow hose is connected to the main black shadow tank, and the second end of the old liquid outflow hose can be plugged into the first filter bag;

[0007] The second filter hanging box includes a second buffer box and a second filter bag, the second buffer box is arranged on the top of the main black shadow tank, the second buffer box is connected with the main black shadow tank, the second filter bag is arranged at the opening of the second buffer box, the first end of the new liquid inflow hose is connected with the auxiliary transfer tank, and the second end of the old liquid outflow hose can be plugged into the second filter bag;

[0008] The method for cleaning and switching the black shadow liquid based on the main and auxiliary tanks comprises the following steps:

[0009] Control the old liquid in the main black shadow tank to flow into the first filter bag through the old liquid outflow hose, so that the old liquid in the main black shadow tank flows into the first buffer box and the auxiliary transfer tank in sequence after being filtered by the first filter bag;

[0010] Performing a tank body cleaning operation on the main black shadow tank to discharge impurities in the main black shadow tank;

[0011] Control the new liquid in the auxiliary tank to flow into the second filter bag through the new liquid inflow hose, so that the new liquid in the auxiliary tank is filtered by the second filter bag and then flows into the second buffer box and the main black shadow tank in sequence;

[0012] Performing a cleaning operation on the first filter bag outside the first buffer box;

[0013] The second filter bag is cleaned outside the second buffer box.

[0014] In some embodiments, the step of cleaning the first filter bag outside the first buffer box includes:

[0015] Taking out the old liquid outflow hose from the first filter bag;

[0016] Taking the first filter bag out of the first buffer box;

[0017] performing a flushing operation on the first filter bag to discharge impurities in the first filter bag;

[0018] Disposing the first filter bag at the opening of the first buffer box;

[0019] The old liquid outflow hose is extended into the first filter bag.

[0020] In some embodiments, the first filter hanging box further includes a first counterweight block, the first counterweight block is fixedly connected to the second end of the old liquid outflow hose, and the first counterweight block is disposed in the first filter bag;

[0021] The step of removing the old liquid outflow hose from the first filter bag is: removing the old liquid outflow hose and the first counterweight block from the first filter bag;

[0022] The step of extending the old liquid outflow hose into the first filter bag is: extending the old liquid outflow hose into the first filter bag, and setting the first counterweight block in the first filter bag.

[0023] In some embodiments, the first filter bag includes a first fixing ring and a first bag body, the first fixing ring is arranged at the opening of the first buffer box, the opening of the first bag body is fixedly connected to the first fixing ring, and the first bag body is located in the first buffer box;

[0024] The step of flushing the first filter bag comprises:

[0025] Setting the first fixing ring downward;

[0026] Pass one end of the first bag body away from the first fixing ring through the first fixing ring, so that the inside and outside of the first bag body are turned over, and the first fixing ring is set upward;

[0027] performing a flushing operation on the first bag body;

[0028] Pass one end of the first bag body away from the first fixing ring through the first fixing ring to turn the inside and outside of the first bag body over again.

[0029] In some embodiments, the first filter bag further includes a first pick-up and placement handle, and both ends of the first pick-up and placement handle are respectively connected to the first fixing ring;

[0030] The step of taking the first filter bag out of the first buffer box includes:

[0031] Taking the first filter bag out of the first buffer box by using a first taking-in / taking-out handle;

[0032] The step of placing the first filter bag in the first buffer box comprises:

[0033] The first fixing ring is set at the opening of the first buffer box through the first pick-up and placement handle, so that the first filter bag is set in the first buffer box.

[0034] In some embodiments, the step of cleaning the second filter bag outside the second buffer box includes:

[0035] Taking the new liquid inflow hose out of the first filter bag;

[0036] Taking the second filter bag out of the second buffer box;

[0037] performing a flushing operation on the second filter bag to discharge impurities in the second filter bag;

[0038] placing the second filter bag at the opening of the second buffer box;

[0039] The new liquid inflow hose is extended into the second filter bag.

[0040] In some embodiments, the second filter hanging box further includes a second counterweight block, the second counterweight block is fixedly connected to the second end of the new liquid inflow hose, and the second counterweight block is disposed in the second filter bag;

[0041] The step of removing the new liquid inflow hose from the second filter bag comprises: removing the new liquid inflow hose and the second counterweight block from the second filter bag;

[0042] The step of extending the new liquid inflow hose into the second filter bag is: extending the new liquid inflow hose into the second filter bag, and arranging the second counterweight block in the second filter bag.

[0043] In some embodiments, the second filter bag includes a second fixing ring and a second bag body, the second fixing ring is arranged at the opening of the second buffer box, the opening of the second bag body is fixedly connected to the second fixing ring, and the second bag body is located in the second buffer box;

[0044] The step of flushing the second filter bag comprises:

[0045] Setting the second fixing ring downward;

[0046] Pass one end of the second bag body away from the second fixing ring through the second fixing ring, so that the inside and outside of the second bag body are turned over, and the second fixing ring is set upward;

[0047] performing a flushing operation on the second bag body;

[0048] Pass one end of the second bag body away from the second fixing ring through the second fixing ring to turn the inside and outside of the second bag body over again.

[0049] In some embodiments, the second filter bag further includes a second pick-up and placement handle, and both ends of the second pick-up and placement handle are respectively connected to the second fixing ring;

[0050] The step of taking the second filter bag out of the second buffer box comprises:

[0051] Taking out the second filter bag from the first buffer box by using the second taking-in and putting-out handle;

[0052] The step of placing the second filter bag in the second buffer box comprises:

[0053] The second fixing ring is set at the opening of the second buffer box through the second pick-up and placement handle, so that the second filter bag is set in the first buffer box.

[0054] A black shadow process spray liquid is prepared by using the black shadow liquid cleaning and switching method based on the main and auxiliary tanks described in any of the above embodiments.

[0055] The purpose of this disclosure is achieved through the following technical solutions:

[0056] Compared with the prior art, the present invention has at least the following advantages:

[0057] 1. Control the old liquid in the main black shadow tank to flow into the first filter bag through the old liquid outflow hose, so that the old liquid in the main black shadow tank flows into the first buffer box and the auxiliary rotating tank in turn after being filtered by the first filter bag, so that the first filter bag filters the black shadow liquid flowing into the auxiliary rotating tank, thereby improving the purity of the black shadow liquid temporarily stored in the auxiliary rotating tank and reducing the crystallization and sludge that subsequently flows back into the main black shadow tank. Control the new liquid in the auxiliary rotating tank to flow into the second filter bag through the new liquid inflow hose, so that the new liquid in the auxiliary rotating tank flows into the second buffer box and the main black shadow tank in turn after being filtered by the second filter bag, so that the second filter bag filters the black shadow liquid flowing into the main black shadow tank, thereby improving the purity of the black shadow liquid in the main black shadow tank and further reducing the crystallization and sludge that flows back into the main black shadow tank, effectively solving the problem of spray filter blockage caused by sludge and crystal residue during the reflux process of the black shadow liquid, thereby avoiding the problem of reduced spray pressure in the main black shadow tank.

[0058] 2. Since there are fewer crystals and sludge returning to the main black shadow tank, that is, the purity of the black shadow liquid returning to the main black shadow tank is higher, the time for repeated cleaning of the filter screen can be reduced, thereby improving the production efficiency and product quality of the black shadow process. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present disclosure and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0060] Figure 1 A flowchart of a method for cleaning and switching black shadow liquid based on a main tank and a sub-tank according to an embodiment;

[0061] Figure 2 A partial structural schematic diagram of a black shadow device according to an embodiment;

[0062] Figure 3 for Figure 2 A schematic diagram of another part of the structure of the black shadow device shown;

[0063] Figure 4 A schematic structural diagram of a black shadow device according to an embodiment;

[0064] Figure 5 for Figure 4 An enlarged schematic diagram of the black shadow device at position A is shown;

[0065] Figure 6 for Figure 4 An enlarged schematic diagram of the black shadow device shown at B.

[0066] Reference numerals: 100, main black shadow slot;

[0067] 200, first filter hanging box; 210, first buffer box; 220, first filter bag; 221, first fixing ring; 222, first bag body; 223, first pick-up and placement handle; 230, first counterweight;

[0068] 300, old fluid flows out of the hose;

[0069] 400, auxiliary trough;

[0070] 500, second filter hanging box; 510, second buffer box; 520, second filter bag; 521, second fixing ring; 522, second bag body; 530, second counterweight block;

[0071] 600. New fluid flows into the hose;

[0072] 710. a first ultrasonic vibration device;

[0073] 720, a second ultrasonic vibration device;

[0074] 810, first liquid level sensor;

[0075] 820. Second liquid level sensor. DETAILED DESCRIPTION

[0076] In order to facilitate the understanding of the present disclosure, the present disclosure will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present disclosure are given in the drawings. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present disclosure more thoroughly and comprehensively understood.

[0077] It should be noted that when an element is referred to as being "fixed to" 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", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0078] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present disclosure. The terms used herein in the specification of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0079] The present invention provides a method for cleaning and switching black shadow liquid based on main and auxiliary tanks, which is performed by a black shadow device. The black shadow device includes a main black shadow tank, a first filter hanging box, an old liquid outflow hose, an auxiliary tank, a second filter hanging box and a new liquid inflow hose; the first filter hanging box includes a first cache box and a first filter bag, the first cache box is arranged on the top of the auxiliary tank, the first cache box is connected to the auxiliary tank, the first filter bag is arranged at the opening of the first cache box, the first end of the old liquid outflow hose is connected to the main black shadow tank, and the second end of the old liquid outflow hose can be plugged into the first filter bag; the second filter hanging box includes a second cache box and a second filter bag, the second cache box is arranged on the top of the main black shadow tank, the second cache box is connected to the main black shadow tank, and the second filter bag is arranged at the opening of the second cache box , the first end of the new liquid inflow hose is connected to the secondary rotating tank, and the second end of the old liquid outflow hose can be plugged into the second filter bag; the black shadow liquid cleaning and switching method based on the main and secondary tanks includes the following steps: controlling the old liquid of the main black shadow tank to flow into the first filter bag through the old liquid outflow hose, so that the old liquid of the main black shadow tank flows into the first buffer box and the secondary rotating tank in sequence after being filtered by the first filter bag; performing a tank cleaning operation on the main black shadow tank to discharge impurities from the main black shadow tank; controlling the new liquid of the secondary rotating tank to flow into the second filter bag through the new liquid inflow hose, so that the new liquid of the secondary rotating tank flows into the second buffer box and the main black shadow tank in sequence after being filtered by the second filter bag; cleaning the first filter bag outside the first buffer box; cleaning the second filter bag outside the second buffer box. The present disclosure also provides a black shadow process spray liquid, which is prepared by the above-mentioned black shadow liquid cleaning and switching method based on the main and secondary tanks.

[0080] The above-mentioned method for cleaning and switching the shadow liquid based on the main and auxiliary tanks and the spraying liquid of the shadow process control the old liquid of the main shadow tank to flow into the first filter bag through the old liquid outflow hose, so that the old liquid of the main shadow tank flows into the first buffer box and the auxiliary tank in turn after being filtered by the first filter bag, so that the first filter bag filters the shadow liquid flowing into the auxiliary tank, improves the purity of the shadow liquid temporarily stored in the auxiliary tank, and reduces the crystallization and sludge that subsequently flows back into the main shadow tank. The new liquid of the auxiliary tank is controlled to flow into the second filter bag through the new liquid inflow hose, so that the new liquid of the auxiliary tank flows into the second buffer box and the main shadow tank in turn after being filtered by the second filter bag, so that the second filter bag filters the shadow liquid flowing into the main shadow tank, improves the purity of the shadow liquid in the main shadow tank, and further reduces the crystallization and sludge that flows back into the main shadow tank, effectively solving the problem of spray filter blockage caused by sludge and crystal residue during the reflux process of the shadow liquid, thereby avoiding the problem of reduced spray pressure in the main shadow tank.

[0081] Furthermore, since there are fewer crystals and sludge returning to the main black shadow tank, that is, the purity of the black shadow liquid returning to the main black shadow tank is higher, the time for repeated cleaning of the filter screen can be reduced, thereby improving the production efficiency and product quality of the black shadow process.

[0082] In order to better understand the technical solutions and beneficial effects of the present invention, the present invention is further described in detail below in conjunction with specific embodiments:

[0083] like Figures 1 to 6 As shown, a method for cleaning and switching black shadow liquid based on the main and auxiliary tanks of an embodiment is performed by a black shadow device, which includes a main black shadow tank 100, a first filter hanging box 200, an old liquid outflow hose 300, an auxiliary rotating tank 400, a second filter hanging box 500, and a new liquid inflow hose 600. The first filter hanging box 200 includes a first buffer box 210 and a first filter bag 220. The first buffer box 210 is arranged on the top of the auxiliary rotating tank 400, the first buffer box 210 is connected to the auxiliary rotating tank 400, the first filter bag 220 is arranged at the opening of the first buffer box 210, the first end of the old liquid outflow hose 300 is connected to the main black shadow tank 100, and the second end of the old liquid outflow hose 300 can be plugged into the first filter bag 220. The second filter hanging box 500 includes a second buffer box 510 and a second filter bag 520. The second buffer box 510 is arranged on the top of the main black shadow tank 100, and the second buffer box 510 is connected to the main black shadow tank 100. The second filter bag 520 is arranged at the opening of the second buffer box 510. The first end of the new liquid inflow hose 600 is connected to the auxiliary transfer tank 400, and the second end of the old liquid outflow hose 300 can be plugged into the second filter bag 520. The method for cleaning and switching the black shadow liquid based on the main and auxiliary tanks includes the following steps:

[0084] S101, control the old liquid in the main black shadow tank 100 to flow into the first filter bag 220 through the old liquid outflow hose 300, so that the old liquid in the main black shadow tank 100 flows into the first buffer box 210 and the auxiliary transfer tank 400 in sequence after being filtered by the first filter bag 220.

[0085] In this embodiment, after the black shadow liquid in the main black shadow tank 100 is pumped into the first filter bag 220, the black shadow liquid flows into the secondary rotating tank 400 after being filtered by the first filter bag 220, which greatly reduces the crystallization and sludge of the black shadow liquid flowing into the secondary rotating tank 400, thereby reducing the impurities in the black shadow liquid temporarily stored in the secondary rotating tank 400.

[0086] S103 , performing a tank body cleaning operation on the main black shadow tank 100 to discharge impurities in the main black shadow tank 100 .

[0087] In this embodiment, a preliminary cleaning is first performed, and the inner wall of the main black shadow tank 100 is preliminarily rinsed with clean water or low-pressure water flow to remove floating dust, loose dirt and residual black shadow liquid on the surface. Then a deep cleaning is performed, and a suitable cleaning agent is selected for deep cleaning according to the degree of contamination of the main black shadow tank 100. The selection of the cleaning agent should take into account its compatibility with the black shadow liquid, its decontamination ability and its corrosiveness to the tank body material. During cleaning, a variety of methods such as soaking, spraying, and brushing can be used to allow the cleaning agent to fully contact and react with the stains. For stubborn stains and scaling, tools such as high-pressure water guns or mechanical brushes can be used to remove them. After the deep cleaning is completed, the main black shadow tank 100 needs to be thoroughly rinsed with a large amount of clean water to remove residual cleaning agents and stains. For occasions where acidic or alkaline cleaning agents are used, neutralization treatment is also required to prevent the cleaning agent from corroding the tank body. During the rinsing process, attention should be paid to observing the color changes of the rinsing water until the rinsing water is clear and free of impurities. After cleaning, the main black shadow tank 100 needs to be fully inspected to confirm whether the inner wall of the tank body is clean and free of residues. In this way, the main black shadow tank 100 is cleaned to remove the crystals and sludge of graphite solidification.

[0088] S105 , control the new liquid in the auxiliary rotating tank 400 to flow into the second filter bag 520 through the new liquid inflow hose 600 , so that the new liquid in the auxiliary rotating tank 400 flows into the second buffer box 510 and the main black shadow tank 100 in sequence after being filtered by the second filter bag 520 .

[0089] In this embodiment, after the black shadow liquid in the auxiliary rotating tank 400 is pumped into the second filter bag 520, the black shadow liquid flows into the main black shadow tank 100 after being filtered by the second filter bag 520, which greatly reduces the crystallization and sludge of the black shadow liquid flowing back to the main black shadow tank 100, and improves the purity of the black shadow liquid flowing back to the main black shadow tank 100.

[0090] S107 , cleaning the first filter bag 220 outside the first buffer box 210 .

[0091] In this embodiment, after the first filter bag 220 is filtered, impurities are intercepted inside it, so after the black shadow liquid in the auxiliary transfer tank 400 completely flows back to the main black shadow tank 100, the first filter bag 220 is taken out from the first buffer box 210, and the first filter bag 220 is cleaned outside the first buffer box 210 to remove impurities in the first filter bag 220, thereby improving the filtering effect of the first filter bag 220 in the next transfer tank.

[0092] S109 , cleaning the second filter bag 520 outside the second buffer box 510 .

[0093] In this embodiment, after filtering, impurities are intercepted inside the second filter bag 520, so after the black shadow liquid in the auxiliary transfer tank 400 completely flows back to the main black shadow tank 100, the second filter bag 520 is taken out from the second buffer box 510, and the second filter bag 520 is cleaned outside the second buffer box 510 to remove impurities in the second filter bag 520, thereby improving the filtering effect of the second filter bag 520 in the next transfer tank.

[0094] The above-mentioned method for cleaning and switching the black shadow liquid based on the main and auxiliary tanks controls the old liquid of the main black shadow tank 100 to flow into the first filter bag 220 through the old liquid outflow hose 300, so that the old liquid of the main black shadow tank 100 flows into the first buffer box 210 and the auxiliary tank 400 in turn after being filtered by the first filter bag 220, so that the first filter bag 220 filters the black shadow liquid flowing into the auxiliary tank 400, thereby improving the purity of the black shadow liquid temporarily stored in the auxiliary tank 400, and reducing the crystallization and sludge that subsequently flows back into the main black shadow tank 100. The new liquid in the auxiliary rotating tank 400 is controlled to flow into the second filter bag 520 through the new liquid inflow hose 600, so that the new liquid in the auxiliary rotating tank 400 is filtered by the second filter bag 520 and then flows into the second buffer box 510 and the main black shadow tank 100 in sequence, so that the second filter bag 520 filters the black shadow liquid flowing into the main black shadow tank 100, thereby improving the purity of the black shadow liquid in the main black shadow tank 100, and further reducing the crystallization and sludge that flows back into the main black shadow tank 100, effectively solving the problem of clogging of the spray filter caused by sludge and crystal residue during the backflow of the black shadow liquid, thereby avoiding the problem of reduced spray pressure in the main black shadow tank 100.

[0095] Furthermore, since there are fewer crystals and sludge returning to the main black shadow tank 100, that is, the purity of the black shadow liquid returning to the main black shadow tank 100 is higher, the time for repeated cleaning of the filter screen can be reduced, thereby improving the production efficiency and product quality of the black shadow process.

[0096] like Figure 5 As shown, in some embodiments, before the step of controlling the old liquid of the main black shadow tank 100 to flow into the first filter bag 220 through the old liquid outflow hose 300, so that the old liquid of the main black shadow tank 100 flows into the first buffer box 210 and the auxiliary transfer tank 400 in sequence after being filtered by the first filter bag 220, the black shadow liquid cleaning and switching method based on the main and auxiliary tanks also includes:

[0097] The auxiliary revolving tank 400 is cleaned to discharge impurities in the auxiliary revolving tank 400 .

[0098] like Figure 5As shown, in this embodiment, preliminary cleaning is first performed, and the inner wall of the auxiliary rotating tank 400 is preliminarily rinsed with clean water or low-pressure water flow to remove floating dust, loose dirt and residual black shadow liquid on the surface. Then deep cleaning is performed, and a suitable cleaning agent is selected for deep cleaning according to the degree of contamination of the auxiliary rotating tank 400. The selection of the cleaning agent should take into account its compatibility with the black shadow liquid, its decontamination ability and its corrosiveness to the tank body material. When cleaning, various methods such as soaking, spraying, and brushing can be used to allow the cleaning agent to fully contact and react with the stains. For stubborn stains and scaling, tools such as high-pressure water guns or mechanical brushes can be used to remove them. After the deep cleaning is completed, the auxiliary rotating tank 400 needs to be thoroughly rinsed with a large amount of clean water to remove residual cleaning agents and stains. For occasions where acidic or alkaline cleaning agents are used, neutralization treatment is also required to prevent the cleaning agent from corroding the tank body. During the rinsing process, attention should be paid to observing the color changes of the rinsing water until the rinsing water is clear and free of impurities. After cleaning, the auxiliary tank 400 needs to be fully inspected to confirm whether the inner wall of the tank body is cleaned and free of residue. In this way, the auxiliary tank 400 is cleaned to remove impurities in the auxiliary tank 400, thereby avoiding the problem that the impurities in the auxiliary tank 400 contaminate the shadow liquid that subsequently flows into the auxiliary tank 400, thereby improving the purity of the shadow liquid temporarily stored in the auxiliary tank 400, and thereby improving the purity of the shadow liquid that flows back into the main shadow tank 100.

[0099] like Figure 5 As shown, in some embodiments, the steps of performing a cleaning operation on the first filter bag 220 outside the first buffer box 210 include:

[0100] Remove the old liquid outflow hose 300 from the first filter bag 220;

[0101] Taking out the first filter bag 220 from the first buffer box 210;

[0102] Flushing the first filter bag 220 to discharge impurities in the first filter bag 220;

[0103] The first filter bag 220 is arranged at the opening of the first buffer box 210;

[0104] The old liquid outflow hose 300 is extended into the first filter bag 220 .

[0105] like Figure 5As shown, in this embodiment, first, the old liquid outflow hose 300 is taken out of the first filter bag 220, and then the first filter bag 220 is taken out of the first buffer box 210, and then the first filter bag 220 is rinsed outside the first buffer box 210 to clean out the impurities in the first filter bag 220, while avoiding the problem of the flushed sewage flowing into the first buffer box 210. After the first filter bag 220 is rinsed, the first filter bag 220 is rinsed and set at the opening of the first buffer box 210, and then the old liquid outflow hose 300 is extended into the first filter bag 220 to ensure the normal operation of the next tank emptying.

[0106] like Figure 5 As shown, in some embodiments, the first filter hanging box 200 further includes a first counterweight 230, the first counterweight 230 is fixedly connected to the second end of the old liquid outflow hose 300, and the first counterweight 230 is arranged in the first filter bag 220. Further, the step of taking out the old liquid outflow hose 300 from the first filter bag 220 is: taking out the old liquid outflow hose 300 and the first counterweight 230 from the first filter bag 220. The step of extending the old liquid outflow hose 300 into the first filter bag 220 is: extending the old liquid outflow hose 300 into the first filter bag 220, and arranging the first counterweight 230 in the first filter bag 220, that is, the second end of the old liquid outflow hose 300 and the first counterweight 230 are arranged in the first filter bag 220.

[0107] like Figure 5 As shown, in the present embodiment, after the second end of the old liquid outflow hose 300 and the first counterweight block 230 are arranged in the first filter bag 220, since the first counterweight block 230 has a certain weight, the first counterweight block 230 restricts the second end of the old liquid outflow hose 300 in the first filter bag 220, thereby ensuring that the second end of the old liquid outflow hose 300 transports the black shadow liquid in the secondary transfer tank 400 to the first filter bag 220.

[0108] like Figure 5 As shown, in some embodiments, the first filter bag 220 includes a first fixing ring 221 and a first bag body 222. The first fixing ring 221 is disposed at the opening of the first buffer box 210. The opening of the first bag body 222 is fixedly connected to the first fixing ring 221. The first bag body 222 is located in the first buffer box 210. The steps of flushing the first filter bag 220 include:

[0109] Set the first fixing ring 221 downward;

[0110] Pass one end of the first bag body 222 away from the first fixing ring 221 through the first fixing ring 221, so that the inside and outside of the first bag body 222 are turned over, and the first fixing ring 221 is set upward;

[0111] Performing a flushing operation on the first bag body 222;

[0112] The end of the first bag body 222 facing away from the first fixing ring 221 is passed through the first fixing ring 221 to turn the inside and outside of the first bag body 222 over again.

[0113] like Figure 5 As shown, in this embodiment, the end of the first bag body 222 away from the first fixing ring 221 is passed through the first fixing ring 221 to turn the inside and outside of the first bag body 222 over, so that the impurities in the first bag body 222 are located outside, and then the first bag body 222 is rinsed. Since the impurities are located outside the first bag body 222, the efficiency of rinsing the first bag body 222 is improved, and at the same time, it is ensured that large particles of impurities can be smoothly separated from the first bag body 222. After the rinsing is completed, the end of the first bag body 222 away from the first fixing ring 221 is passed through the first fixing ring 221 to turn the inside and outside of the first bag body 222 over again, so that the first bag body 222 is restored to its original state, and then the first filter bag 220 can be smoothly rinsed and installed at the opening of the first cache box 210.

[0114] like Figure 2 As shown, in some embodiments, the first filter bag 220 further includes a first pick-up and placement handle 223, and both ends of the first pick-up and placement handle 223 are respectively connected to the first fixing ring 221, and the first fixing ring 221 can be moved by the first pick-up and placement handle 223, thereby realizing the movement of the first filter bag 220. Further, the step of taking the first filter bag 220 out of the first buffer box 210 includes: taking the first filter bag 220 out of the first buffer box 210 by the first pick-up and placement handle 223. Further, the step of setting the first filter bag 220 in the first buffer box 210 includes: setting the first fixing ring 221 at the opening of the first buffer box 210 by the first pick-up and placement handle 223, so that the first filter bag 220 is set in the first buffer box 210.

[0115] like Figure 2 As shown, in the present embodiment, the first filter bag 220 is taken out from the first cache box 210 by the first pick-and-place handle 223, and the first fixing ring 221 is set at the opening of the first cache box 210 by the first pick-and-place handle 223. In this way, the first fixing ring 221 can be moved by the first pick-and-place handle 223, thereby realizing the movement of the first filter bag 220 and improving the convenience of moving the first filter bag 220.

[0116] like Figure 6 As shown, in some embodiments, the steps of performing a cleaning operation on the second filter bag 520 outside the second buffer box 510 include:

[0117] The new liquid flows into the hose 600 and is taken out from the first filter bag 220;

[0118] Take out the second filter bag 520 from the second buffer box 510;

[0119] Performing a flushing operation on the second filter bag 520 to discharge impurities in the second filter bag 520;

[0120] The second filter bag 520 is arranged at the opening of the second buffer box 510;

[0121] The new liquid inflow hose 600 extends into the second filter bag 520 .

[0122] like Figure 6 As shown, in this embodiment, first, the new liquid inflow hose 600 is taken out from the second filter bag 520, and then the second filter bag 520 is taken out from the second buffer box 510, and then the second filter bag 520 is rinsed outside the second buffer box 510 to clean out the impurities in the second filter bag 520, while avoiding the problem of the flushed sewage flowing into the second buffer box 510. After the second filter bag 520 is rinsed, the second filter bag 520 is rinsed and set at the opening of the second buffer box 510, and then the new liquid inflow hose 600 is extended into the second filter bag 520 to ensure the normal operation of the next tank emptying.

[0123] like Figure 6 As shown, in some embodiments, the second filter hanging box 500 further includes a second counterweight 530, the second counterweight 530 is fixedly connected to the second end of the new liquid inflow hose 600, and the second counterweight 530 is disposed in the second filter bag 520. Further, the step of taking the new liquid inflow hose 600 out of the second filter bag 520 is: taking the new liquid inflow hose 600 and the second counterweight 530 out of the second filter bag 520. Further, the step of extending the new liquid inflow hose 600 into the second filter bag 520 is: extending the new liquid inflow hose 600 into the second filter bag 520, and disposing the second counterweight 530 in the second filter bag 520.

[0124] like Figure 6 As shown, in this embodiment, after the second end of the new liquid inflow hose 600 and the second counterweight block 530 are set in the second filter bag 520, since the second counterweight block 530 has a certain weight, the second counterweight block 530 restricts the second end of the new liquid inflow hose 600 in the second filter bag 520, ensuring that the second end of the new liquid inflow hose 600 transports the black shadow liquid in the main black shadow tank 100 to the second filter bag 520.

[0125] like Figure 6As shown, in some embodiments, the second filter bag 520 includes a second fixing ring 521 and a second bag body 522, the second fixing ring 521 is arranged at the opening of the second buffer box 510, the opening of the second bag body 522 is fixedly connected to the second fixing ring 521, and the second bag body 522 is located in the second buffer box 510;

[0126] The steps of flushing the second filter bag 520 include:

[0127] Set the second fixing ring 521 downward;

[0128] Pass one end of the second bag body 522 away from the second fixing ring 521 through the second fixing ring 521, so that the inside and outside of the second bag body 522 are turned over, and the second fixing ring 521 is set upward;

[0129] Performing a flushing operation on the second bag body 522;

[0130] The end of the second bag body 522 facing away from the second fixing ring 521 is passed through the second fixing ring 521 to turn the inside and outside of the second bag body 522 over again.

[0131] like Figure 6 As shown, in this embodiment, the end of the second bag body 522 away from the second fixing ring 521 is passed through the second fixing ring 521 to turn the inside and outside of the second bag body 522 over, so that the impurities in the second bag body 522 are located outside, and then the second bag body 522 is rinsed. Since the impurities are located outside the second bag body 522, the efficiency of rinsing the second bag body 522 is improved, and at the same time, it is ensured that large particles of impurities can be smoothly separated from the second bag body 522. After the rinsing is completed, the end of the second bag body 522 away from the second fixing ring 521 is passed through the second fixing ring 521 to turn the inside and outside of the second bag body 522 over again, so that the second bag body 522 is restored to its original state, so that the second filter bag 520 can be smoothly rinsed and installed at the opening of the second cache box 510.

[0132] like Figure 6 As shown, in some embodiments, the second filter bag 520 further includes a second pick-up and placement handle, and both ends of the second pick-up and placement handle are respectively connected to the second fixing ring 521, and the second fixing ring 521 can be moved by the second pick-up and placement handle, thereby realizing the movement of the second filter bag 520. Further, the step of taking the second filter bag 520 out of the second buffer box 510 includes: taking the second filter bag 520 out of the first buffer box 210 by the second pick-up and placement handle; the step of placing the second filter bag 520 in the second buffer box 510 includes: placing the second fixing ring 521 at the opening of the second buffer box 510 by the second pick-up and placement handle, so that the second filter bag 520 is placed in the first buffer box 210.

[0133] like Figure 6 As shown, in this embodiment, the second filter bag 520 is taken out from the second cache box 510 by the second pick-and-place handle, and the second fixing ring 521 is set at the opening of the second cache box 510 by the second pick-and-place handle. In this way, the second fixing ring 521 can be moved by the second pick-and-place handle, thereby realizing the movement of the second filter bag 520 and improving the convenience of moving the second filter bag 520.

[0134] It is understandable that as the number of times the hose is used increases, more and more impurities will remain in the hose. When the impurities in the hose accumulate to a certain amount, the hose will be blocked. Even if the shadow liquid can remove the impurities during the flow, the impurities will block the filter bag due to the large number of impurities. In other words, as the number of times the hose is used increases, the pouring of liquid will not be able to proceed normally.

[0135] For the technical problems of the above blockage, such as Figure 5 and Figure 6 As shown, in some embodiments, the black shadow device also includes a first ultrasonic vibration device 710 and a second ultrasonic vibration device 720, the vibration end of the first ultrasonic vibration device 710 is connected to the surface of the old liquid outflow hose 300, and the vibration end of the second ultrasonic vibration device 720 is connected to the surface of the new liquid inflow hose 600.

[0136] like Figure 5 As shown, further, before the step of controlling the old liquid of the main black shadow tank 100 to flow into the first filter bag 220 through the old liquid outflow hose 300, the black shadow liquid cleaning and switching method based on the main and auxiliary tanks also includes:

[0137] The first ultrasonic vibration device 710 is controlled to vibrate the old liquid to flow out of the hose 300 , and the second ultrasonic vibration device 720 is controlled to vibrate the new liquid to flow into the hose 600 .

[0138] like Figure 5 As shown, in the present embodiment, when the first ultrasonic vibration device 710 is controlled to vibrate the old liquid outflow hose 300, the ultrasonic wave of the first ultrasonic device acts on the old liquid outflow hose 300, causing the old liquid outflow hose 300 to vibrate, thereby causing the impurities in the old liquid outflow hose 300 to become loose. During each trough pouring process, the shadow liquid will bring the loose impurities to the first filter bag 220 when passing through the old liquid outflow hose 300. The impurities can be removed when the first filter bag 220 is subsequently cleaned, thereby avoiding the continuous accumulation of impurities in the old liquid outflow hose 300, thereby avoiding the blockage of the old liquid outflow hose 300 and the blockage of the first filter bag 220.

[0139] like Figure 5As shown, further, there are multiple first ultrasonic vibration devices 710, and the multiple first ultrasonic vibration devices 710 are arranged at intervals along the extension direction of the old liquid outflow hose 300, thereby improving the vibration effect, so that impurities in various parts of the old liquid outflow hose 300 can be loosened, which is conducive to removing impurities in the old liquid outflow hose 300.

[0140] like Figure 6 As shown, further, when the second ultrasonic vibration device 720 is controlled to vibrate the new liquid inflow hose 600, the ultrasonic wave of the second ultrasonic device acts on the new liquid inflow hose 600, causing the new liquid inflow hose 600 to vibrate, thereby loosening the impurities in the new liquid inflow hose 600. In each trough pouring process, the shadow liquid will bring the loose impurities to the second filter bag 520 when passing through the new liquid inflow hose 600. The above impurities can be removed when the second filter bag 520 is subsequently cleaned, thereby avoiding the continuous accumulation of impurities in the new liquid inflow hose 600, thereby avoiding the problem of blockage of the new liquid inflow hose 600 and the blockage of the second filter bag 520.

[0141] like Figure 6 As shown, further, there are multiple second ultrasonic vibration devices 720, and the multiple second ultrasonic vibration devices 720 are arranged at intervals along the extension direction of the new liquid inflow hose 600, thereby improving the vibration effect, so that impurities at various places of the new liquid inflow hose 600 can be loosened, which is conducive to removing impurities in the new liquid inflow hose 600.

[0142] It is understandable that when the first filter bag 220 is blocked, the liquid level of the first filter bag 220 will gradually increase, and the shadow liquid will overflow, and the trough cannot be normally emptied, and the shadow liquid will overflow, resulting in a waste of the shadow liquid. Similarly, when the second filter bag 520 is blocked, the liquid level of the second filter bag 520 will gradually increase, and the shadow liquid will overflow, resulting in a waste of the shadow liquid.

[0143] like Figure 5 As shown, in some embodiments, the first filter hanging box 200 includes a first liquid level sensor 810, and the first liquid level sensor 810 is arranged inside the first filter bag 220. Further, in the step of controlling the old liquid of the main black shadow tank 100 to flow into the first filter bag 220 through the old liquid outflow hose 300, the liquid level in the first filter bag 220 is also monitored in real time by the first liquid level sensor 810. In this embodiment, when the first liquid level sensor 810 is triggered, the first filter bag 220 is blocked, and the system sends an alarm to prompt the operator to replace the first filter bag, thereby avoiding the problem of black shadow liquid overflowing from the first filter bag 220 and ensuring the normal operation of the tank.

[0144] like Figure 6As shown, in some embodiments, the second filter hanging box 500 includes a second liquid level sensor 820, and the second liquid level sensor 820 is arranged inside the second filter bag 520. Further, in the step of controlling the new liquid of the auxiliary revolving tank 400 to flow into the second filter bag 520 through the new liquid inflow hose 600, the liquid level in the second filter bag 520 is also monitored in real time by the second liquid level sensor 820. In this embodiment, when the second liquid level sensor 820 is triggered, the second filter bag 520 is blocked, and the system sends an alarm to prompt the operator to replace the second filter bag, thereby avoiding the problem of black shadow liquid overflowing from the second filter bag and ensuring the normal operation of the reversing tank.

[0145] The present disclosure also provides a black shadow process spray liquid, which is prepared by the black shadow liquid cleaning and switching method based on the main and auxiliary tanks described in any of the above embodiments.

[0146] The above-mentioned black shadow process sprays the liquid, controls the old liquid of the main black shadow tank 100 to flow into the first filter bag 220 through the old liquid outflow hose 300, so that the old liquid of the main black shadow tank 100 is filtered by the first filter bag 220 and then flows into the first buffer box 210 and the auxiliary transfer tank 400 in turn, so that the first filter bag 220 filters the black shadow liquid flowing into the auxiliary transfer tank 400, thereby improving the purity of the black shadow liquid temporarily stored in the auxiliary transfer tank 400, and reducing the crystallization and sludge that subsequently flows back to the main black shadow tank 100. The new liquid in the auxiliary rotating tank 400 is controlled to flow into the second filter bag 520 through the new liquid inflow hose 600, so that the new liquid in the auxiliary rotating tank 400 is filtered by the second filter bag 520 and then flows into the second buffer box 510 and the main black shadow tank 100 in sequence, so that the second filter bag 520 filters the black shadow liquid flowing into the main black shadow tank 100, thereby improving the purity of the black shadow liquid in the main black shadow tank 100, and further reducing the crystallization and sludge that flows back into the main black shadow tank 100, effectively solving the problem of clogging of the spray filter caused by sludge and crystal residue during the backflow of the black shadow liquid, thereby avoiding the problem of reduced spray pressure in the main black shadow tank 100.

[0147] Furthermore, since there are fewer crystals and sludge returning to the main black shadow tank 100, that is, the purity of the black shadow liquid returning to the main black shadow tank 100 is higher, the time for repeated cleaning of the filter screen can be reduced, thereby improving the production efficiency and product quality of the black shadow process.

[0148] Compared with the prior art, the present invention has at least the following advantages:

[0149] 1. Control the old liquid of the main black shadow tank 100 to flow into the first filter bag 220 through the old liquid outflow hose 300, so that the old liquid of the main black shadow tank 100 flows into the first buffer box 210 and the auxiliary rotating tank 400 in turn after being filtered by the first filter bag 220, so that the first filter bag 220 filters the black shadow liquid flowing into the auxiliary rotating tank 400, thereby improving the purity of the black shadow liquid temporarily stored in the auxiliary rotating tank 400 and reducing the crystallization and sludge that subsequently flows back into the main black shadow tank 100. The new liquid in the auxiliary rotating tank 400 is controlled to flow into the second filter bag 520 through the new liquid inflow hose 600, so that the new liquid in the auxiliary rotating tank 400 is filtered by the second filter bag 520 and then flows into the second buffer box 510 and the main black shadow tank 100 in sequence, so that the second filter bag 520 filters the black shadow liquid flowing into the main black shadow tank 100, thereby improving the purity of the black shadow liquid in the main black shadow tank 100, and further reducing the crystallization and sludge that flows back into the main black shadow tank 100, effectively solving the problem of clogging of the spray filter caused by sludge and crystal residue during the backflow of the black shadow liquid, thereby avoiding the problem of reduced spray pressure in the main black shadow tank 100.

[0150] 2. Since there are fewer crystals and sludge returning to the main black shadow tank 100, that is, the purity of the black shadow liquid returning to the main black shadow tank 100 is higher, the time for repeated cleaning of the filter screen can be reduced, thereby improving the production efficiency and product quality of the black shadow process.

[0151] The above-mentioned embodiments only express several implementation methods of the present disclosure, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the disclosed patent. 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 disclosure, and these all belong to the protection scope of the present disclosure. Therefore, the protection scope of the disclosed patent shall be subject to the attached claims.

Claims

1. A method for cleaning and switching black shadow liquid based on a main tank and a secondary tank, which is performed by a black shadow device, characterized in that: The black shadow device comprises a main black shadow tank (100), a first filter hanging box (200), an old liquid outflow hose (300), a secondary rotating tank (400), a second filter hanging box (500) and a new liquid inflow hose (600); The first filter hanging box (200) comprises a first buffer box (210) and a first filter bag (220); the first buffer box (210) is arranged on the top of the auxiliary rotating tank (400); the first buffer box (210) is connected to the auxiliary rotating tank (400); the first filter bag (220) is arranged at the opening of the first buffer box (210); the first end of the old liquid outflow hose (300) is connected to the main black shadow tank (100); the second end of the old liquid outflow hose (300) can be plugged into the first filter bag (220); The second filter hanging box (500) comprises a second buffer box (510) and a second filter bag (520); the second buffer box (510) is arranged on the top of the main black shadow tank (100); the second buffer box (510) is connected to the main black shadow tank (100); the second filter bag (520) is arranged at the opening of the second buffer box (510); the first end of the new liquid inflow hose (600) is connected to the auxiliary transfer tank (400); the second end of the old liquid outflow hose (300) is pluggable and extends into the second filter bag (520); The method for cleaning and switching the black shadow liquid based on the main and auxiliary tanks comprises the following steps: Controlling the old liquid in the main black shadow tank (100) to flow into the first filter bag (220) through the old liquid outflow hose (300), so that the old liquid in the main black shadow tank (100) is filtered by the first filter bag (220) and then flows into the first buffer box (210) and the auxiliary transfer tank (400) in sequence; Performing a tank body cleaning operation on the main black shadow tank (100) to discharge impurities in the main black shadow tank (100); Controlling the new liquid in the auxiliary rotating tank (400) to flow into the second filter bag (520) through the new liquid inflow hose (600), so that the new liquid in the auxiliary rotating tank (400) is filtered by the second filter bag (520) and then flows into the second buffer box (510) and the main black shadow tank (100) in sequence; performing a cleaning operation on the first filter bag (220) outside the first buffer box (210); The second filter bag (520) is cleaned outside the second buffer box (510).

2. The method for cleaning and switching black shadow liquid based on the main and auxiliary tanks according to claim 1 is characterized in that: The step of performing a cleaning operation on the first filter bag (220) outside the first buffer box (210) comprises: removing the old liquid outflow hose (300) from the first filter bag (220); Taking the first filter bag (220) out of the first buffer box (210); performing a flushing operation on the first filter bag (220) to discharge impurities in the first filter bag (220); Disposing the first filter bag (220) at the opening of the first buffer box (210); The old liquid outflow hose (300) is extended into the first filter bag (220).

3. The method for cleaning and switching black shadow liquid based on the main and auxiliary tanks according to claim 2 is characterized in that: The first filter hanging box (200) further comprises a first counterweight (230), the first counterweight (230) being fixedly connected to the second end of the old liquid outflow hose (300), and the first counterweight (230) being arranged in the first filter bag (220); The step of removing the old liquid outflow hose (300) from the first filter bag (220) is as follows: removing the old liquid outflow hose (300) and the first counterweight (230) from the first filter bag (220); The steps of extending the old liquid outflow hose (300) into the first filter bag (220) are: extending the old liquid outflow hose (300) into the first filter bag (220), and arranging the first counterweight (230) in the first filter bag (220).

4. The method for cleaning and switching black shadow liquid based on the main and auxiliary tanks according to claim 2 is characterized in that: The first filter bag (220) comprises a first fixing ring (221) and a first bag body (222), the first fixing ring (221) being arranged at the opening of the first buffer box (210), the opening of the first bag body (222) being fixedly connected to the first fixing ring (221), and the first bag body (222) being located in the first buffer box (210); The step of flushing the first filter bag (220) comprises: Arrange the first fixing ring (221) downward; Passing one end of the first bag body (222) away from the first fixing ring (221) through the first fixing ring (221), so that the inside and outside of the first bag body (222) are turned over, and the first fixing ring (221) is arranged upward; performing a flushing operation on the first bag body (222); The end of the first bag body (222) facing away from the first fixing ring (221) is passed through the first fixing ring (221) so that the inside and outside of the first bag body (222) are turned over again.

5. The method for cleaning and switching black shadow liquid based on the main and auxiliary tanks according to claim 4 is characterized in that: The first filter bag (220) further comprises a first pick-up and placement handle (223), and two ends of the first pick-up and placement handle (223) are respectively connected to the first fixing ring (221); The step of taking the first filter bag (220) out of the first buffer box (210) comprises: Taking the first filter bag (220) out of the first buffer box (210) by using a first taking-in / taking-out handle (223); The step of placing the first filter bag (220) in the first buffer box (210) comprises: The first fixing ring (221) is arranged at the opening of the first buffer box (210) through the first pick-up and placement handle (223), so that the first filter bag (220) is arranged in the first buffer box (210).

6. The method for cleaning and switching black shadow liquid based on the main and auxiliary tanks according to claim 1, characterized in that: The step of performing a cleaning operation on the second filter bag (520) outside the second buffer box (510) comprises: Taking the new liquid inflow hose (600) out of the first filter bag (220); taking the second filter bag (520) out of the second buffer box (510); performing a flushing operation on the second filter bag (520) to discharge impurities in the second filter bag (520); The second filter bag (520) is arranged at the opening of the second buffer box (510); The new liquid inflow hose (600) is extended into the second filter bag (520).

7. The method for cleaning and switching black shadow liquid based on the main and auxiliary tanks according to claim 6, characterized in that: The second filter hanging box (500) further comprises a second counterweight (530), the second counterweight (530) being fixedly connected to the second end of the new liquid inflow hose (600), and the second counterweight (530) being arranged in the second filter bag (520); The step of removing the new liquid inflow hose (600) from the second filter bag (520) is as follows: removing the new liquid inflow hose (600) and the second counterweight (530) from the second filter bag (520); The step of extending the new liquid inflow hose (600) into the second filter bag (520) is as follows: extending the new liquid inflow hose (600) into the second filter bag (520), and arranging the second counterweight block (530) in the second filter bag (520).

8. The method for cleaning and switching black shadow liquid based on the main and auxiliary tanks according to claim 6, characterized in that: The second filter bag (520) comprises a second fixing ring (521) and a second bag body (522), the second fixing ring (521) being arranged at the opening of the second buffer box (510), the opening of the second bag body (522) being fixedly connected to the second fixing ring (521), and the second bag body (522) being located in the second buffer box (510); The step of flushing the second filter bag (520) comprises: The second fixing ring (521) is arranged downward; Passing one end of the second bag body (522) away from the second fixing ring (521) through the second fixing ring (521), so that the inside and outside of the second bag body (522) are turned over, and the second fixing ring (521) is arranged upward; performing a flushing operation on the second bag body (522); The end of the second bag body (522) facing away from the second fixing ring (521) is passed through the second fixing ring (521) so that the inside and outside of the second bag body (522) are turned over again.

9. The method for cleaning and switching black shadow liquid based on the main and auxiliary tanks according to claim 8, characterized in that: The second filter bag (520) further comprises a second pick-up and placement handle, and both ends of the second pick-up and placement handle are respectively connected to the second fixing ring (521); The step of taking the second filter bag (520) out of the second buffer box (510) comprises: Taking the second filter bag (520) out of the first buffer box (210) by using a second taking-in / taking-out handle; The step of placing the second filter bag (520) in the second buffer box (510) comprises: The second fixing ring (521) is arranged at the opening of the second buffer box (510) by means of the second pick-up and placement handle, so that the second filter bag (520) is arranged in the first buffer box (210).

10. A black shadow process spray liquid, characterized in that: The method is prepared by using the black shadow liquid cleaning and switching method based on the main and auxiliary tanks according to any one of claims 1 to 9.

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