Pickling preparation device

Abstract

The invention discloses a bubble preparation device, and relates to the technical field of mine dust suppression, the bubble preparation device comprises a mucus tank, a main pressure storage tank and an auxiliary pressure storage tank, the main pressure storage tank and the auxiliary pressure storage tank are both provided with a mixed liquid inlet, the mucus tank is connected with a liquid supply pipe, and one end, far away from the mucus tank, of the liquid supply pipe is communicated with the mixed liquid inlet through a mixed liquid inlet pipe; the liquid supply pipe is further connected with an air supply pipe through a pneumatic pump, the air inlet end of the air supply pipe is used for being communicated with an underground compressed air system, the mixed liquid inlet pipe is further connected with a water supply pipe, and the water inlet end of the water supply pipe is used for being communicated with underground water. Bubble generators are arranged in the main pressure storage tank and the auxiliary pressure storage tank, gas input ends and solution inlet ends of the bubble generators are positioned in the main pressure storage tank or the auxiliary pressure storage tank, and outlet ends of the bubble generators extend out of the main pressure storage tank or the auxiliary pressure storage tank. The mucus can be prepared into bubbles, the contact area with dust is increased, the dust falling effect is improved, and the dust falling efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of mine dust suppression, and in particular to a bubble preparation device. Background Art

[0002] Coal mining requires operations such as tunnel excavation, mine blasting, chute unloading, and road transportation. A large amount of dust is easily generated during the mining process. If workers are exposed to the dust environment for a long time, it is easy to cause alveolar tissue fibrosis in the human body and cause pneumoconiosis.

[0003] At present, negative pressure ventilation dust collectors and water spraying are mainly used to suppress dust in comprehensive mining and tunneling work points; however, because underground work points are difficult to close, the tunneling work surface is wide and the air volume is large, the negative pressure ventilation dust removal effect is not good; and water spraying is difficult to wet the fine dust particles. Under the action of the water spraying power, the dust will spread to the surroundings, resulting in a larger pollution area.

[0004] Therefore, a bubble preparation device is provided to solve the above problems existing in the prior art. Summary of the invention

[0005] The object of the present invention is to provide a bubble preparation device to solve the problems existing in the prior art, and can prepare mucus into bubbles, increase the contact area with dust, enhance the dust reduction effect, and improve the dust reduction efficiency.

[0006] To achieve the above object, the present invention provides the following solutions:

[0007] The present invention provides a bubble preparation device, comprising a mucus tank, a main pressure storage tank and a secondary pressure storage tank, wherein the mucus tank is used to store mucus, the main pressure storage tank and the secondary pressure storage tank are both provided with a mixed liquid inlet, the mucus tank is connected with a liquid supply pipe, and one end of the liquid supply pipe away from the mucus tank is connected with the mixed liquid inlets of the main pressure storage tank and the secondary pressure storage tank through a mixed liquid inlet pipe; the liquid supply pipe is also connected with an air supply pipe through a pneumatic pump, the air inlet end of the air supply pipe is used to communicate with a downhole compressed air system, the mixed liquid inlet pipe is also connected with a water supply pipe, and the water inlet end of the water supply pipe is used to connect to downhole water;

[0008] A bubble generator is provided in both the main pressure storage tank and the auxiliary pressure storage tank. The gas input end and the solution inlet end of the bubble generator are located in the main pressure storage tank or the auxiliary pressure storage tank, and the outlet end of the bubble generator extends out of the main pressure storage tank or the auxiliary pressure storage tank.

[0009] Preferably, the liquid supply pipe and the water supply pipe are connected to the mixed liquid inlet pipe through a tee pipe;

[0010] Wherein, a second solenoid valve and a first flow meter are sequentially arranged on the liquid supply pipe along the mucus flow direction, the pneumatic pump is located between the second solenoid valve and the first flow meter, and the pneumatic pump is a pneumatic diaphragm pump, and the air supply pipe is provided with a first solenoid valve;

[0011] The water supply pipe is provided with a second flow meter and a first regulating valve in sequence along the water flow direction.

[0012] Preferably, a fifth solenoid valve is provided at one end of the mixed liquid inlet pipe close to the mixed liquid inlet of the main pressure storage tank, and a fourteenth solenoid valve is provided at one end close to the mixed liquid inlet of the auxiliary pressure storage tank.

[0013] Preferably, a plurality of the bubble generators are provided in both the main pressure storage tank and the auxiliary pressure storage tank.

[0014] Preferably, the bubble generator is fixed to the bottom of the main pressure storage tank or the secondary pressure storage tank, wherein the gas input end of the bubble generator is fixed to the top of the main pressure storage tank or the secondary pressure storage tank and is provided with a gas inlet, and the solution inlet end is arranged in the main pressure storage tank or the secondary pressure storage tank and is located at the upper part of the bubble generator.

[0015] Preferably, four bubble generators are arranged in sequence along the radial direction at the bottom of the main pressure storage tank, and the four bubble generators are respectively a first bubble generator, a second bubble generator, a third bubble generator and a fourth bubble generator;

[0016] The bottom of the secondary pressure storage tank is provided with four bubble generators in sequence along the radial direction, and the four bubble generators are respectively a fifth bubble generator, a sixth bubble generator, a seventh bubble generator and an eighth bubble generator.

[0017] Preferably, the outlet end of the first bubble generator and the outlet end of the eighth bubble generator are connected through a first bubble outlet pipe, and the first bubble outlet pipe is connected to the bubble outlet through a sixth regulating valve, and a third solenoid valve is provided at one end of the first bubble outlet pipe close to the first bubble generator, and a sixteenth solenoid valve is provided at one end of the first bubble outlet pipe close to the eighth bubble generator;

[0018] The outlet end of the second bubble generator is connected to the outlet end of the seventh bubble generator through a second bubble outlet pipe, and the second bubble outlet pipe is connected to the bubble outlet through a fifth regulating valve, a fourth solenoid valve is provided at one end of the second bubble outlet pipe close to the second bubble generator, and a fifteenth solenoid valve is provided at one end of the second bubble outlet pipe close to the seventh bubble generator;

[0019] The outlet end of the third bubble generator and the outlet end of the sixth bubble generator are connected through a third bubble outlet pipe, and the third bubble outlet pipe is connected to the bubble outlet through a fourth regulating valve, a sixth solenoid valve is provided at one end of the third bubble outlet pipe close to the third bubble generator, and a thirteenth solenoid valve is provided at one end of the third bubble outlet pipe close to the sixth bubble generator;

[0020] The outlet end of the fourth bubble generator and the outlet end of the fifth bubble generator are connected through a fourth bubble outlet pipe, and the fourth bubble outlet pipe is connected to the bubble outlet through a third regulating valve, and a seventh solenoid valve is provided at one end of the fourth bubble outlet pipe close to the fourth bubble generator, and a twelfth solenoid valve is provided at one end of the fourth bubble outlet pipe close to the fifth bubble generator.

[0021] Preferably, the top of the main pressure storage tank and the top of the secondary pressure storage tank are also connected through a fifth bubble outlet pipe, the fifth bubble outlet pipe is connected to the bubble outlet through a second regulating valve, and a ninth solenoid valve is provided at one end of the fifth bubble outlet pipe close to the main pressure storage tank, and a tenth solenoid valve is provided at one end close to the secondary pressure storage tank.

[0022] Preferably, a first exhaust port is further provided on the top of the main pressure storage tank, and an eighth solenoid valve is provided on the first exhaust port; a second exhaust port is further provided on the top of the secondary pressure storage tank, and an eleventh solenoid valve is provided on the second exhaust port.

[0023] Preferably, a first liquid level gauge is also provided on the main pressure storage tank, and a second liquid level gauge is also provided on the secondary pressure storage tank; wherein, the first liquid level gauge and the second liquid level gauge are both radar level gauges, and the first liquid level gauge is provided at the top of the main pressure storage tank, and the second liquid level gauge is provided at the top of the secondary pressure storage tank.

[0024] Compared with the prior art, the present invention has achieved the following technical effects:

[0025] In the present invention, the mucus in the mucus tank is injected into the mixed liquid inlet pipe through a pneumatic pump, and the mixed liquid inlet pipe is connected to the underground water through a water supply pipe, so that the underground water and mucus can be mixed in the mixed liquid inlet pipe to form a bubble solution, and the bubble solution can be pushed into the main pressure storage tank or the auxiliary pressure storage tank by the pneumatic pump; and the pneumatic pump is connected to the underground compressed air system through the air supply pipe, and compressed air can be injected into the main pressure storage tank or the auxiliary pressure storage tank. The compressed air and the bubble solution generate bubbles through the bubble generator, which increases the contact area with the dust and improves the use efficiency of the mucus and the dust reduction effect. Moreover, the use of underground compressed air as power can meet the underground explosion-proof requirements.

[0026] Furthermore, in the present invention, a main pressure storage tank and a secondary pressure storage tank are arranged to operate alternately, thereby achieving continuous operation of the bubble preparation process and improving dust reduction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 Schematic diagram of the structure of the bubble preparation device in an embodiment of the present invention.

[0029] In the figure: 1-first solenoid valve; 2-pneumatic diaphragm pump; 3-second solenoid valve; 4-mucus tank; 5-first flow meter; 6-tee pipe; 7-second flow meter; 8-first regulating valve; 9-third solenoid valve; 10-fourth solenoid valve; 11-fifth solenoid valve; 12-sixth solenoid valve; 13-seventh solenoid valve; 14-first bubble generator; 15-second bubble generator; 16-third bubble generator; 17-fourth bubble generator; 18-main pressure storage tank; 19-first liquid level gauge; 20-eighth solenoid valve; 21- The ninth solenoid valve; 22-the second regulating valve; 23-the tenth solenoid valve; 24-the second liquid level gauge; 25-the eleventh solenoid valve; 26-the auxiliary pressure storage tank; 27-the fifth bubble generator; 28-the sixth bubble generator; 29-the seventh bubble generator; 30-the eighth bubble generator; 31-the twelfth solenoid valve; 32-the thirteenth solenoid valve; 33-the fourteenth solenoid valve; 34-the fifteenth solenoid valve; 35-the sixteenth solenoid valve; 36-the third regulating valve; 37-the fourth regulating valve; 38-the fifth regulating valve; 39-the sixth regulating valve. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] The object of the present invention is to provide a bubble preparation device to solve the problems existing in the prior art, and can prepare mucus into bubbles, increase the contact area with dust, enhance the dust reduction effect, and improve the dust reduction efficiency.

[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] Embodiment 1

[0034] like Figure 1 As shown, a bubble preparation device is provided in this embodiment, which mainly includes a mucus tank 4, a main pressure storage tank 18 and a secondary pressure storage tank 26. The mucus tank 4 is used to store mucus. The bottoms of the main pressure storage tank 18 and the secondary pressure storage tank 26 are both provided with mixed liquid inlets. The mucus tank 4 is connected to a liquid supply pipe. One end of the liquid supply pipe away from the mucus tank 4 is connected to the mixed liquid inlets of the main pressure storage tank 18 and the secondary pressure storage tank 26 through the mixed liquid inlet pipe; the liquid supply pipe is also connected to an air supply pipe through a pneumatic pump, and the air inlet end of the air supply pipe is used to communicate with the underground compressed air system. The mixed liquid inlet pipe is also connected to a water supply pipe, and the water inlet end of the water supply pipe is used to connect to underground water;

[0035] A bubble generator is provided in both the main pressure storage tank 18 and the secondary pressure storage tank 26. The gas input end and the solution inlet end of the bubble generator are located in the main pressure storage tank 18 or the secondary pressure storage tank 26, and the outlet end of the bubble generator extends out of the main pressure storage tank 18 or the secondary pressure storage tank 26.

[0036] In this embodiment, the mucus in the mucus tank 4 is injected into the mixed liquid inlet pipe through a pneumatic pump, and the mixed liquid inlet pipe is connected to the underground water through a water supply pipe, so that the underground water and mucus can be mixed in the mixed liquid inlet pipe to form a bubble solution, and the pneumatic pump can push the bubble solution into the main pressure storage tank 18 or the auxiliary pressure storage tank 26; and the pneumatic pump is connected to the underground compressed air system through the air supply pipe, and can inject compressed air into the main pressure storage tank 18 or the auxiliary pressure storage tank 26. The compressed air and the bubble solution generate bubbles through the bubble generator, which increases the contact area with the dust and improves the use efficiency of the mucus and the dust reduction effect. Moreover, using underground compressed air as power can meet the underground explosion-proof requirements.

[0037] Furthermore, in this embodiment, the main pressure storage tank 18 and the auxiliary pressure storage tank 26 are arranged to operate alternately, thereby achieving continuous operation of the bubble preparation process and improving dust reduction efficiency.

[0038] The bubble preparation device in this embodiment can also be used for fire fighting, and has very broad application prospects and social benefits.

[0039] In this embodiment, the liquid supply pipe and the water supply pipe can be connected to the mixed liquid inlet pipe through a three-way pipe 6; wherein, the second electromagnetic valve 3 and the first flow meter 5 are sequentially arranged on the liquid supply pipe along the mucus flow direction, the pneumatic pump is located between the second electromagnetic valve 3 and the first flow meter 5, and the pneumatic pump is preferably a pneumatic diaphragm pump 2, and the first electromagnetic valve 1 is arranged on the air supply pipe; the second flow meter 7 and the first regulating valve 8 are sequentially arranged on the water supply pipe along the water flow direction. In this embodiment, the ratio of mucus to water can be adjusted as needed by the first flow meter 5 and the second flow meter 7.

[0040] As a preferred embodiment, mucus and water are prepared in a volume ratio of 1:99 to form a bubble solution, which is then injected into the main pressure storage tank 18 or the auxiliary pressure storage tank 26 .

[0041] In this embodiment, a fifth solenoid valve 11 is provided at one end of the mixed liquid inlet pipe close to the mixed liquid inlet of the main pressure storage tank 18, and a fourteenth solenoid valve 33 is provided at one end close to the mixed liquid inlet of the auxiliary pressure storage tank 26. The fifth solenoid valve 11 and the fourteenth solenoid valve 33 can control the entry of bubble solution and compressed air into the main pressure storage tank 18 and the auxiliary pressure storage tank 26.

[0042] In this embodiment, a plurality of the bubble generators are provided in the main pressure storage tank 18 and the auxiliary pressure storage tank 26, and the bubble generators are welded and fixed to the bottom of the main pressure storage tank 18 or the auxiliary pressure storage tank 26; wherein, the gas input end of the bubble generator is fixed to the top of the main pressure storage tank 18 or the auxiliary pressure storage tank 26 and is provided with a gas inlet, and the solution inlet end is provided in the main pressure storage tank 18 or the auxiliary pressure storage tank 26 and is located at the upper part of the bubble generator.

[0043] As a preferred embodiment, four bubble generators are arranged in sequence from left to right along the radial direction at the bottom of the main pressure storage tank 18, and the four bubble generators are respectively a first bubble generator 14, a second bubble generator 15, a third bubble generator 16 and a fourth bubble generator 17; four bubble generators are arranged in sequence from left to right along the radial direction at the bottom of the secondary pressure storage tank 26, and the four bubble generators are respectively a fifth bubble generator 27, a sixth bubble generator 28, a seventh bubble generator 29 and an eighth bubble generator 30.

[0044] Furthermore, it should be noted that the number of bubble generators in the main pressure storage tank 18 and the auxiliary pressure storage tank 26 is not limited to four, and two, three, five or six bubble generators may be provided as required.

[0045] In this embodiment, the outlet end of the first bubble generator 14 and the outlet end of the eighth bubble generator 30 are connected through a first bubble outlet pipe, and the first bubble outlet pipe is connected to the bubble outlet through a sixth regulating valve 39. The end of the first bubble outlet pipe close to the first bubble generator 14 is provided with a third solenoid valve 9, and the end close to the eighth bubble generator 30 is provided with a sixteenth solenoid valve 35.

[0046] The outlet end of the second bubble generator 15 and the outlet end of the seventh bubble generator 29 are connected through a second bubble outlet pipe, and the second bubble outlet pipe is connected to the bubble outlet through a fifth regulating valve 38. The end of the second bubble outlet pipe close to the second bubble generator 15 is provided with a fourth solenoid valve 10, and the end of the second bubble outlet pipe close to the seventh bubble generator 29 is provided with a fifteenth solenoid valve 34.

[0047] The outlet end of the third bubble generator 16 and the outlet end of the sixth bubble generator 28 are connected through a third bubble outlet pipe, and the third bubble outlet pipe is connected to the bubble outlet through a fourth regulating valve 37. The end of the third bubble outlet pipe close to the third bubble generator 16 is provided with a sixth solenoid valve 12, and the end close to the sixth bubble generator 28 is provided with a thirteenth solenoid valve 32.

[0048] The outlet end of the fourth bubble generator 17 and the outlet end of the fifth bubble generator 27 are connected through a fourth bubble outlet pipe, and the fourth bubble outlet pipe is connected to the bubble outlet through a third regulating valve 36. The seventh solenoid valve 13 is provided at one end of the fourth bubble outlet pipe close to the fourth bubble generator 17, and the twelfth solenoid valve 31 is provided at one end close to the fifth bubble generator 27.

[0049] In this embodiment, the top of the main pressure storage tank 18 and the top of the secondary pressure storage tank 26 are also connected through a fifth bubble outlet pipe, and the fifth bubble outlet pipe is connected to the bubble outlet through a second regulating valve 22. A ninth solenoid valve 21 is provided at one end of the fifth bubble outlet pipe close to the main pressure storage tank 18, and a tenth solenoid valve 23 is provided at one end close to the secondary pressure storage tank 26.

[0050] In this embodiment, a first exhaust port is further provided on the top of the main pressure storage tank 18 for exhaust, and an eighth solenoid valve 20 is provided on the first exhaust port. A second exhaust port is further provided on the top of the secondary pressure storage tank 26 for exhaust, and an eleventh solenoid valve 25 is provided on the second exhaust port.

[0051] In this embodiment, the above-mentioned solenoid valves are all controlled by 24V micro-electric, and combined with underground compressed air as power, stable operation of the equipment can be achieved.

[0052] In this embodiment, each of the above-mentioned pipelines is preferably a hose.

[0053] In this embodiment, the main pressure storage tank 18 is further provided with a first liquid level gauge 19, and the auxiliary pressure storage tank 26 is further provided with a second liquid level gauge 24, which are used to measure the liquid levels of the bubble solution in the main pressure storage tank 18 and the auxiliary pressure storage tank 26, respectively; wherein the first liquid level gauge 19 and the second liquid level gauge 24 are preferably radar level gauges, and the first liquid level gauge 19 is provided at the top of the main pressure storage tank 18, and the second liquid level gauge 24 is provided at the top of the auxiliary pressure storage tank 26. Alternatively, other types of liquid level gauges, such as infrared liquid level gauges or ultrasonic liquid level gauges, etc., can also be selected according to work needs.

[0054] In this embodiment, the main pressure storage tank 18 and the auxiliary pressure storage tank 26 are used alternately. Now, taking the example of injecting bubble solution into the main pressure storage tank 18 and the auxiliary pressure storage tank 26 generating bubbles and spraying them outward as an example, a detailed description is given:

[0055] When the first liquid level gauge 19 detects that the liquid level in the main pressure storage tank 18 is lower than the low liquid level line, the bubble solution is injected into the main pressure storage tank 18. At this time, the injection of compressed gas into the main pressure storage tank 18 is stopped, and the eighth solenoid valve 20 is opened to drain the compressed gas in the main pressure storage tank 18, and the third solenoid valve 9, the fourth solenoid valve 10, the sixth solenoid valve 12, the seventh solenoid valve 13 and the ninth solenoid valve 21 are closed, and the fifth solenoid valve 11 is opened; when the first liquid level gauge 19 detects that the liquid level in the main pressure storage tank 18 is higher than the high liquid level line, the injection of bubble solution into the main pressure storage tank 18 is stopped, and the injection of compressed gas into the main pressure storage tank 18 is started, and the eighth solenoid valve 20 is closed and the ninth solenoid valve 21 is opened.

[0056] While injecting the bubble solution into the main pressure storage tank 18, the tenth solenoid valve 23, the twelfth solenoid valve 31, the thirteenth solenoid valve 32, the fifteenth solenoid valve 34 and the sixteenth solenoid valve 35 are opened, and the eleventh solenoid valve 25 and the fourteenth solenoid valve 33 are closed; when the second liquid level gauge 24 detects that the liquid level in the secondary pressure storage tank 26 is lower than the low liquid level line, the bubble solution is injected into the secondary pressure storage tank 26, and at this time, the tenth solenoid valve 23, the twelfth solenoid valve 31, the thirteenth solenoid valve 32, the fifteenth solenoid valve 34 and the sixteenth solenoid valve 35 are closed, and the eleventh solenoid valve 25, the fourteenth solenoid valve 33, the third solenoid valve 9, the fourth solenoid valve 10, the sixth solenoid valve 12, and the seventh solenoid valve 13 are opened, and the bubble solution is injected into the secondary pressure storage tank 26, and the main pressure storage tank 18 generates bubbles and sprays them outward, and they are used alternately in this cycle.

[0057] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A bubble preparation device, Features: It comprises a mucus tank, a main pressure storage tank and a secondary pressure storage tank, wherein the mucus tank is used to store mucus, the main pressure storage tank and the secondary pressure storage tank are both provided with a mixed liquid inlet, the mucus tank is connected with a liquid supply pipe, and one end of the liquid supply pipe away from the mucus tank is connected with the mixed liquid inlets of the main pressure storage tank and the secondary pressure storage tank through a mixed liquid inlet pipe; the liquid supply pipe is also connected with an air supply pipe through a pneumatic pump, the air inlet end of the air supply pipe is used to communicate with a downhole compressed air system, the mixed liquid inlet pipe is also connected with a water supply pipe, and the water inlet end of the water supply pipe is used to connect to downhole water; A bubble generator is provided in both the main pressure storage tank and the auxiliary pressure storage tank. The gas input end and the solution inlet end of the bubble generator are located in the main pressure storage tank or the auxiliary pressure storage tank, and the outlet end of the bubble generator extends out of the main pressure storage tank or the auxiliary pressure storage tank.

2. The bubble preparation device according to claim 1, Features: The liquid supply pipe and the water supply pipe are connected to the mixed liquid inlet pipe through a tee pipe; Wherein, a second solenoid valve and a first flow meter are sequentially arranged on the liquid supply pipe along the mucus flow direction, the pneumatic pump is located between the second solenoid valve and the first flow meter, and the pneumatic pump is a pneumatic diaphragm pump, and the air supply pipe is provided with a first solenoid valve; The water supply pipe is provided with a second flow meter and a first regulating valve in sequence along the water flow direction.

3. The bubble preparation device according to claim 1 or 2, Features: A fifth solenoid valve is disposed at one end of the mixed liquid inlet pipe close to the mixed liquid inlet of the main pressure storage tank, and a fourteenth solenoid valve is disposed at one end of the mixed liquid inlet pipe close to the mixed liquid inlet of the auxiliary pressure storage tank.

4. The bubble preparation device according to claim 1, Features: A plurality of bubble generators are arranged in both the main pressure storage tank and the auxiliary pressure storage tank.

5. The bubble preparation device according to claim 4, Features: The bubble generator is fixed to the bottom of the main pressure storage tank or the secondary pressure storage tank, wherein the gas input end of the bubble generator is fixed to the top of the main pressure storage tank or the secondary pressure storage tank and is provided with a gas inlet, and the solution inlet end is arranged in the main pressure storage tank or the secondary pressure storage tank and is located at the upper part of the bubble generator.

6. The bubble preparation device according to claim 4 or 5, Features: The bottom of the main pressure storage tank is provided with four bubble generators in sequence along the radial direction, and the four bubble generators are respectively a first bubble generator, a second bubble generator, a third bubble generator and a fourth bubble generator; The bottom of the secondary pressure storage tank is provided with four bubble generators in sequence along the radial direction, and the four bubble generators are respectively a fifth bubble generator, a sixth bubble generator, a seventh bubble generator and an eighth bubble generator.

7. The bubble preparation device according to claim 6, Features: The outlet end of the first bubble generator and the outlet end of the eighth bubble generator are connected through a first bubble outlet pipe, and the first bubble outlet pipe is connected to the bubble outlet through a sixth regulating valve, and a third solenoid valve is provided at one end of the first bubble outlet pipe close to the first bubble generator, and a sixteenth solenoid valve is provided at one end of the first bubble outlet pipe close to the eighth bubble generator; The outlet end of the second bubble generator is connected to the outlet end of the seventh bubble generator through a second bubble outlet pipe, and the second bubble outlet pipe is connected to the bubble outlet through a fifth regulating valve, a fourth solenoid valve is provided at one end of the second bubble outlet pipe close to the second bubble generator, and a fifteenth solenoid valve is provided at one end of the second bubble outlet pipe close to the seventh bubble generator; The outlet end of the third bubble generator and the outlet end of the sixth bubble generator are connected through a third bubble outlet pipe, and the third bubble outlet pipe is connected to the bubble outlet through a fourth regulating valve, a sixth solenoid valve is provided at one end of the third bubble outlet pipe close to the third bubble generator, and a thirteenth solenoid valve is provided at one end of the third bubble outlet pipe close to the sixth bubble generator; The outlet end of the fourth bubble generator and the outlet end of the fifth bubble generator are connected through a fourth bubble outlet pipe, and the fourth bubble outlet pipe is connected to the bubble outlet through a third regulating valve, and a seventh solenoid valve is provided at one end of the fourth bubble outlet pipe close to the fourth bubble generator, and a twelfth solenoid valve is provided at one end of the fourth bubble outlet pipe close to the fifth bubble generator.

8. The bubble preparation device according to claim 1, Features: The top of the main pressure storage tank and the top of the secondary pressure storage tank are also connected through a fifth bubble outlet pipe, and the fifth bubble outlet pipe is connected to the bubble outlet through a second regulating valve. A ninth solenoid valve is provided at one end of the fifth bubble outlet pipe close to the main pressure storage tank, and a tenth solenoid valve is provided at one end close to the secondary pressure storage tank.

9. The bubble preparation device according to claim 1, Features: The top of the main pressure storage tank is also provided with a first exhaust port, on which an eighth solenoid valve is arranged. The top of the auxiliary pressure storage tank is also provided with a second exhaust port, on which an eleventh solenoid valve is arranged.

10. The bubble preparation device according to claim 1, Features: A first liquid level gauge is also provided on the main pressure storage tank, and a second liquid level gauge is also provided on the secondary pressure storage tank; wherein, the first liquid level gauge and the second liquid level gauge are both radar level gauges, and the first liquid level gauge is provided on the top of the main pressure storage tank, and the second liquid level gauge is provided on the top of the secondary pressure storage tank.

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