An energy-saving and environment-friendly ultrasonic cleaning machine

By adopting multi-frequency, multi-channel output and sewage circulation treatment technology in ultrasonic cleaning machines, the problem of poor cleaning effect of existing ultrasonic cleaning machines at low and high frequencies is solved, and efficient cleaning of complex components and water resources are achieved. Savings reduces environmental pollution.

CN111570395BActive Publication Date: 2024-12-13SHENZHEN DEJINYUAN TECH CO LTD
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Patent Information

Application Number
CN202010481165.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-05-31
Publication Date
2024-12-13
Estimated Expiration
2040-05-31

AI Technical Summary

Technical Problem

Existing ultrasonic cleaning machines have shortcomings in low and high frequencies, which are difficult to meet the requirements of high surface finish or cleaning of complex components, and improper sewage treatment leads to waste of water resources and environmental pollution.

Method used

A multi-frequency and multi-channel output ultrasonic generator is designed, combined with sewage treatment recycling technology, low-frequency and high-frequency cleaning are carried out through two cleaning tanks, and a sewage purification device is used to realize the recycling of purified water, reducing water waste and Environmental pollution.

Benefits of technology

It realizes efficient cleaning of complex components, saves water resources, extends the service life of sewage purification equipment, reduces environmental pollution, and improves cleaning efficiency and environmental protection.

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Abstract

The present invention discloses an energy-saving and environment-friendly ultrasonic cleaning machine, which belongs to the technical field of ultrasonic cleaning machines, and aims to provide an energy-saving and environment-friendly ultrasonic cleaning machine based on the principle of circulating water cleaning technology, and its features include high and low frequency cleaning tanks, ultrasonic generator devices, sewage purification devices, water pump devices, water inlet devices, water outlet devices, drainage devices, water level detection devices, and control panels. After the present invention adopts the above-mentioned design scheme, ultrasonic repeated cleaning can be performed by circulating water, which is water-saving, energy-saving, and environmentally friendly. The present invention enables the energy-saving and environment-friendly ultrasonic cleaning machine to complete the tasks of primary cleaning and fine cleaning in a time-sharing manner, and not only cleans the surface of components and large pieces of oil, but also removes fine dirt and pollutants such as resin, sulfide, carbide, toner residue, and release agent in tiny pores, thereby realizing the functions of circulating water, water saving, energy saving, and environmental protection.
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Description

Technical Field

[0001] The invention belongs to the technical field of ultrasonic cleaning machines, in particular to an energy-saving and environment-friendly ultrasonic cleaning machine. Background Art

[0002] Ultrasonic cleaning machines have been used in the machinery industry to clean machine parts, various chemical industries, metal wire drawing machines, chemical fiber industries, water purification equipment and other industries. They are mainly used to clean blind holes in the inner holes that are blocked by dirt, dust, powder, glue or debris. These parts are difficult to reach by hand. Ultrasonic cleaning machines can be used to clean deep holes, fine cracks and hidden places. The ultrasonic cleaning machines commonly used for this purpose have a cleaning tank filled with cleaning liquid. Different cleaning liquids can be replaced according to the cleaning object. The ultrasonic generator is generally set in the cleaning tank.

[0003] However, there are still some problems when using ordinary ultrasonic cleaning machines, such as:

[0004] Problem 1: Under low frequency conditions, the time interval between compression and rarefaction of the liquid is longer, which allows the bubbles to grow to a larger size and enhances the cavitation intensity. However, this is not conducive to cleaning parts with high surface finish requirements or complex surfaces and many blind holes, nor is it conducive to cleaning some precision parts, such as some electronic parts, small bearing processing, magnetic materials, etc.

[0005] Problem 2: In the case of high frequency, high-frequency ultrasonic waves have strong penetrating power and low noise, but the time interval between the compression and rarefaction of the liquid is short, so that the bubbles cannot grow to the required size, which is not conducive to the cleaning of large parts or the cleaning of dirt with high adhesion to the workpiece surface;

[0006] Question 3: After cleaning, if the wastewater in the cleaning tank of the ultrasonic cleaning machine is discharged into the sewer without being treated, it will not only waste water resources but also pollute the environment. If thousands of parts are cleaned, the waste of water resources and environmental pollution will cause a serious problem.

[0007] Therefore, an energy-saving and environment-friendly ultrasonic cleaning machine is needed to solve the above problems. Summary of the invention

[0008] The purpose of the present invention is to provide an ultrasonic generator with a simple structure, reasonable design, and high and low multi-frequency and multi-channel output in view of the defects and shortcomings of the existing single ultrasonic cleaning machine, and to combine the sewage treatment recycling technology and method to comprehensively clean the machine parts. After the sewage in the cleaning tank of the ultrasonic purifier is treated, the purified water generated is output to another cleaning tank body for a circulating ultrasonic cleaning link, which recycles water and saves energy and is environmentally friendly. The solid pollutants remaining at the bottom of the original cleaning tank body can be removed by professional tools and handed over to environmental protection specialists for corresponding treatment, thereby realizing an ultrasonic cleaning solution that saves water, energy, and protects the environment.

[0009] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: the ultrasonic cleaning machine is provided with two cleaning tanks, and a water inlet port with a filter is provided on the side of each cleaning tank. The water inlet port with the filter is connected to the water inlet port of the sewage treatment device through a pipeline converter. After the sewage is treated by the sewage purifier device, the purified water generated is output to the faucet outlet, and flows out to another cleaning tank after being controlled by the control panel for ultrasonic fine cleaning, circulating water, energy saving and environmental protection, and vice versa.

[0010] Furthermore, the two cleaning tanks are cleaning tank No. I for the low-frequency circulation cleaning area and cleaning tank No. II for the high-frequency circulation cleaning area.

[0011] Furthermore, the side surface of the cleaning tank No. I is provided with a low-frequency ultrasonic transducer 1, and the bottom surface is also provided with a low-frequency ultrasonic transducer 2.

[0012] Furthermore, the side low-frequency ultrasonic transducer 1 and the bottom low-frequency ultrasonic transducer 2 are connected and controlled through the circuit of the ultrasonic generator.

[0013] Furthermore, a water inlet port with a filter is provided on the side of the No. 1 cleaning tank body.

[0014] Furthermore, the water inlet port with filter is connected to the lower port of the converter through a water pipe, thereby being connected to the pipeline converter.

[0015] Furthermore, the pipeline converter realizes the selection of the input end of the water pipe through the conversion button on the control panel, so as to connect the water inlet port with the filter screen on the inner side of the No. 1 cleaning tank body with the water inlet port of the sewage purification device.

[0016] Furthermore, the sewage purification device realizes forced directional flow of water by turning on the pressure generated by the water pump device, thereby guiding the sewage purification device to produce sewage separation.

[0017] Furthermore, the water pump device is composed of a water pump, a fixed device, a water pump outlet, and a water pump inlet.

[0018] Furthermore, the sewage purification device is composed of a nano-pollution removal and purification tube, a clean water channel, a clean water outlet port, a sewage channel, a sewage outlet port, and a water inlet port.

[0019] Furthermore, after the sewage from the No. 1 cleaning tank is purified by the sewage purification device, the purified water generated is output to the faucet outlet along the clean water channel to the clean water outlet port.

[0020] Furthermore, the sewage purification device can allow the pollutants remaining after sewage purification to flow out along the sewage channel to the sewage outlet port, thereby achieving multiple and repeated sewage purification, increasing the service life of the sewage purification device, and saving energy and protecting the environment.

[0021] Furthermore, the faucet outlet rises under the action of water buoyancy according to the float of the water level detection device of the No. II cleaning tank. When the detection mobile end contacts the detection fixed end, it indicates that the water in the cleaning tank is full, and the water pump is automatically stopped to avoid water overflow.

[0022] Furthermore, the faucet outlet can adjust the output angle by 360° through a rotating device, so that after the sewage in the No. I cleaning tank is purified, the purified water generated is output to the No. II cleaning tank, thereby carrying out the next round of high-frequency ultrasonic cleaning process.

[0023] Furthermore, the final remaining sewage generated by the cleaning tank body is output to the sewage collection point through the tank drainage port, along the drainage pipe and the main drainage port for environmental protection treatment.

[0024] Similarly, the No. II cleaning tank body is equipped with a high-frequency ultrasonic transducer 1 on its side and a high-frequency ultrasonic transducer 2 on its bottom. The sewage is sucked in through the water inlet port with a filter on the side. After the sewage is purified, the purified water generated is output to the No. I cleaning tank body, so that the next round of low-frequency ultrasonic cleaning process can be carried out.

[0025] The working principle of the present invention is as follows: for some parts with irregular shapes, such as surface components of large parts, and small components with complex surfaces and many blind holes, they are placed in the low-frequency No. I cleaning tank of the ultrasonic purifier. After adding clean water, the corresponding frequency, control parameters, and channel selection of the pipeline converter are set in the control button and display area of ​​the control template respectively. After the detection is correct, the cleaning button is started. After the low-frequency ultrasonic cleaning is completed, the sewage is sucked in through the water inlet port with a filter screen on the side of the No. I cleaning tank. After the sewage is purified by the sewage purification equipment, the purified water generated is output to the No. II cleaning tank, so as to carry out the next round of high-frequency ultrasonic cleaning fine cleaning process. After the sewage of the No. I cleaning tank is transferred and utilized, the residual pollutants at the bottom are removed by tools and handed over to the environmental protection specialist for treatment; similarly, after the No. II cleaning tank completes high-frequency cleaning, the sewage generated is output to the No. I cleaning tank through the purified water generated by the above principle, and the low-frequency cleaning is repeated in the same way.

[0026] After adopting the above structure, the beneficial effects of the present invention are:

[0027] 1. A water inlet port with a filter is set on the inner side of the cleaning tank of the ultrasonic purifier. The water inlet port with a filter is above the bottom surface of the cleaning tank to avoid or reduce the probability of blockage caused by large contaminants at the bottom;

[0028] 2. The ultrasonic purifier is equipped with high-frequency and low-frequency ultrasonic cleaning tanks. After the sewage is circulated and purified by the sewage purification device, the purified water is used in another cleaning tank. The sewage is purified and the two cleaning tanks are recycled, which saves water, energy and environment.

[0029] 3. The sewage purification device uses nano-pollution purification pipes. By starting the water pump to generate water absorption pressure, nano-scale pores are opened around the wall to flow out purified water, which flows out along the clean water channel to the clean water outlet port. The residual pollutants can be output to the sewage outlet port for purification along the sewage channel and recycled, thereby extending the service life of the sewage purification device;

[0030] 4. The water level detection device is provided with a fixed detection end and a mobile detection end. The floating ball contacts and separates under the action of water buoyancy and its own gravity, so as to monitor and intelligently control the water level overflow;

[0031] 5. Cleaning tank No. I and cleaning tank No. II respectively solve the problem that low-frequency ultrasonic cleaning technology is not conducive to cleaning parts with high surface finish requirements or complex surfaces, many blind holes and some precision parts, and also solve the problem that high-frequency ultrasonic cleaning technology is not conducive to cleaning large parts or parts with high adhesion between dirt and workpiece surfaces, providing better cleaning degree and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] 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 or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0033] Figure 1 It is a structural schematic diagram of the present invention.

[0034] Figure 2 yes Figure 1 A magnified schematic diagram of part A in FIG.

[0035] Figure 3 yes Figure 1 An enlarged schematic diagram of part B in FIG.

[0036] Figure 4 yes Figure 1 Enlarged schematic diagram of part C in FIG.

[0037] Figure 5 yes Figure 1 An enlarged schematic diagram of part D in FIG.

[0038] Description of reference numerals:

[0039] Device housing 1, ultrasonic generator 21, fixing device 22, side high-frequency ultrasonic transducer 1 31, bottom high-frequency ultrasonic transducer 2 32, tank drainage port 41, drainage pipe 42, total drainage port 43, side low-frequency ultrasonic transducer 1 51, bottom low-frequency ultrasonic transducer 2 52, converter upper port 61, pipeline converter 62, converter lower port 63, water pipe 64, water inlet port with filter 65, No. I cleaning tank body 7, No. II cleaning tank body 8, rotating device 91, faucet outlet 92, sewage Purification device 10, nano-pollution purification tube 101, clean water channel 102, clean water outlet port 103, sewage channel 104, sewage outlet port 105, water inlet port 106, water pump device 11, water pump 110, fixed device 111, water pump outlet 112, water pump inlet 113, control panel 12, buttons 121, display screen 122, conversion button 123, water level detection device 13, detection fixed end 131, detection movable end 132, displacement lower limit end 133, connecting column 134, float 135. DETAILED DESCRIPTION

[0040] The present invention will be further described below in conjunction with the accompanying drawings.

[0041] See Figure 1-Figure 5As shown, the technical solution adopted in this specific embodiment is: the ultrasonic cleaning machine is provided with a cleaning tank body I 7 with a low-frequency ultrasonic cleaning area, and a cleaning tank body II 8 with a high-frequency ultrasonic cleaning area. A water inlet port 65 with a filter is provided on the side of each cleaning tank body. The water inlet port 65 with a filter is connected to the water inlet port 106 of the sewage purification device 10 through a pipeline converter 62. After the sewage is processed by the sewage purifier device 10, the purified water generated is output to the faucet outlet 92, and flows out to another cleaning tank body (7, 8) after being controlled manually or by the control panel 12, and continues to carry out the next round of ultrasonic cleaning or fine cleaning, recycling water, saving water and energy, and protecting the environment.

[0042] Furthermore, the cleaning tank body No. 1 7 in the low-frequency cleaning area is provided with a low-frequency ultrasonic transducer 1 51 on its side surface and a low-frequency ultrasonic transducer 2 52 on its bottom surface.

[0043] Furthermore, the side low-frequency ultrasonic transducer 1 51 and the bottom low-frequency ultrasonic transducer 2 52 are connected and controlled through the circuit of the ultrasonic generator 21 .

[0044] Furthermore, the side of the cleaning tank body No. 1 7 is provided with a water inlet port 65 with a filter screen.

[0045] Furthermore, the water inlet port 65 with filter is connected to the lower port 63 of the converter through a water pipe 64 , thereby being connected to the pipeline converter 62 .

[0046] Furthermore, the pipeline converter 62 realizes the input end selection of the water pipe through the conversion button 123 of the control panel 12, so that the water inlet port 65 with filter screen on the inner side of the No. 1 cleaning tank body 7 is connected with the water inlet port 106 of the sewage purification device 10.

[0047] Furthermore, the sewage purification device 10 can realize the forced directional flow of water by the pressure generated by the water pump device 11 when pumping water, thereby guiding the sewage purification device 10 to separate sewage.

[0048] Further, the water pump device 11 is composed of a water pump 110, a fixed device 111, a water pump outlet 112, and a water pump inlet 113; for example, the water pump device 11 is fixed with a water pump 110 by a fixing device such as a motor bracket and bolts, and the water pump 110 is a miniature magnetic pump of MP-55RM, which has a maximum flow rate of 60L / MIN and a maximum head of 5.6 meters at a working frequency of 50Hz, a normal flow rate of 30L / MIN, a head of 4 meters, and a specific volume <=1.2. The water pump 110 is connected to the control panel 12 to control the flow rates of the water pump inlet 113 and the water outlet 112.

[0049] Furthermore, the sewage purification device 10 is composed of a nano-pollution removal and purification tube 101 , a clean water channel 102 , a clean water outlet port 103 , a sewage channel 104 , a sewage outlet port 105 , and a water inlet port 106 .

[0050] Furthermore, after the sewage from the No. 1 cleaning tank 7 is purified by the sewage purification device 10, the purified water generated is output to the faucet outlet 92 along the clean water channel 102 to the clean water outlet port 103.

[0051] Furthermore, after the sewage purification device 10 purifies the sewage, the remaining pollutants can flow out along the sewage channel 104 to the sewage outlet port 105, thereby achieving multiple and repeated sewage purification, increasing the service life of the sewage purification device 10, and saving energy and protecting the environment.

[0052] Furthermore, the faucet outlet 92 rises under the action of water buoyancy according to the float 135 of the water level detection device 13 of the cleaning tank body II 8. When the detection movable end 132 contacts the detection fixed end 131, it indicates that the water in the cleaning tank body is full, and the water pump is automatically stopped to avoid water overflow.

[0053] Furthermore, the faucet water outlet 92 is adjusted to a 360° output angle by the rotating device 91, so that the sewage in the No. I cleaning tank 7 is purified and then output to the No. II cleaning tank 8, thereby carrying out the next round of high-frequency ultrasonic cleaning process.

[0054] Similarly, the principle that the sewage from cleaning tank body II 8 is purified and output to cleaning tank body I 7 is also the same. The following further explains that in the cleaning of the high-frequency ultrasonic cleaning area, the cleaning tank body II 8 is equipped with a high-frequency ultrasonic transducer 1 31 on its side and a high-frequency ultrasonic transducer 2 32 on its bottom.

[0055] Furthermore, the side high-frequency ultrasonic transducer 1 31 and the bottom high-frequency ultrasonic transducer 2 32 are also connected and controlled through the circuit of the ultrasonic generator 21 .

[0056] Furthermore, the side of the cleaning tank body II 8 is also provided with a water inlet port 65 with a filter screen.

[0057] Furthermore, the water inlet port 65 with filter is also connected to the lower port 63 of the converter through the water pipe 64 , thereby connected to the pipeline converter 62 .

[0058] Furthermore, the pipeline converter 62 also realizes the input end selection of the water pipe through the conversion button 123 of the control panel 12, so as to realize the connection between the water inlet port 65 with the filter screen inside the cleaning tank body II and the water inlet port 106 of the sewage purification device 10.

[0059] Furthermore, after the sewage of the cleaning tank body II 8 is purified by the sewage purification device 10 , the purified water generated is also output to the faucet outlet 92 along the purified water channel 102 to the purified water outlet port 103 .

[0060] Furthermore, the faucet outlet 92 rises under the action of water buoyancy according to the float 135 of the water level detection device 13 of the cleaning tank 7 No. 1. When the detection movable end 132 contacts the detection fixed end 131, it indicates that the water in the cleaning tank is full, and the water pump is automatically stopped to avoid water overflow.

[0061] Furthermore, the faucet water outlet 92 is adjusted to a 360° output angle by the rotating device 91, so that after the sewage in the cleaning tank body II 8 is purified, it is also output to the cleaning tank body I 7, so that the next round of low-frequency ultrasonic cleaning can be carried out.

[0062] Furthermore, the remaining sewage generated by the cleaning tank body (7, 8) is output to the sewage collection point through the tank drainage port 41, along the drainage pipe 42 and the main drainage port 43 for environmental protection treatment.

[0063] The working principle of the present invention is as follows: for the parts to be cleaned, such as some parts with irregular shapes, they are first placed in the low-frequency No. I cleaning tank 7 of the ultrasonic purifier, and after adding clean water, the corresponding frequency parameters and the channel selection of the pipeline converter are set in the control button 121 and the display area 122 of the control template 12, and the low-frequency ultrasonic cleaning button 121 is started after monitoring. After the cleaning is completed, the sewage is sucked in through the water inlet port 65 with a filter screen on the inner side of the No. I cleaning tank 7. After the sewage is purified by the sewage purification device 10, the purified water is output to the No. II cleaning tank 8, so that the next round of high-frequency ultrasonic cleaning or fine cleaning can be carried out. After the sewage in the No. I cleaning tank 7 is transferred and purified, the residual pollutants at the bottom are removed by tools and handed over to the environmental protection specialist for processing.

[0064] After adopting the above structure, the beneficial effects of the present invention are:

[0065] 1. A water inlet port 65 with a filter is provided on the inner side of the cleaning tank (7, 8) of the ultrasonic purifier. The water inlet port 65 with a filter is located above the bottom surface of the cleaning tank to avoid or reduce the probability of blockage caused by large contaminants at the bottom;

[0066] 2. The ultrasonic purifier is provided with a cleaning tank body I 7 in the low-frequency ultrasonic cleaning area and a cleaning tank body II 8 in the high-frequency ultrasonic cleaning area. After the sewage is treated by the sewage purification device 10, the purified water generated is circulated between the cleaning tank bodies for water resource utilization, which is energy-saving and environmentally friendly;

[0067] 3. The sewage purification device 10 uses a nano-pollution purification tube 101, which generates water absorption pressure by starting a water pump 110, so that nano-scale pores are opened around the surface wall to press out purified water, which flows out to the purified water outlet port 103 along the clean water channel 102, while the residual pollutants can be output to the sewage outlet port 105 along the sewage channel 104 for purification and recycling, thereby extending the service life of the sewage purification device 10;

[0068] 4. The fixed detection end 131 and the movable detection end 132 of the water level detection device 13 are arranged to contact and separate under the action of the buoyancy of water and its own gravity through the floating ball 135, so as to monitor and intelligently control the water level;

[0069] 5. Cleaning tank No. I 7 and cleaning tank No. II 8 respectively solve the problem that low-frequency ultrasonic cleaning technology is not conducive to cleaning parts with high surface finish requirements or complex surfaces, many blind holes and some precision parts, and also solve the problem that high-frequency ultrasonic cleaning technology is not conducive to cleaning large parts or parts with high adhesion between dirt and workpiece surfaces, providing higher cleaning degree and good efficiency.

[0070] The above description is only used to illustrate the technical solution of the present invention rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by those skilled in the art should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. An energy-saving and environment-friendly ultrasonic cleaning machine, comprising a device housing (1), an ultrasonic generator (21), a fixing device (22), a first high-frequency ultrasonic transducer (31) on the side surface, a second high-frequency ultrasonic transducer (32) on the bottom surface, a first low-frequency ultrasonic transducer (51) on the side surface, a second low-frequency ultrasonic transducer (52) on the bottom surface, a tank drainage port (41), a drainage pipe (42), a main drainage port (43), an upper port of a converter (61), a pipeline converter (62), a lower port of a converter (63), a water pipe (64), a water inlet port with a filter (65), a No. I cleaning tank body (7), a No. II cleaning tank body (8), a rotating device (91), a water Faucet outlet (92), sewage purification device (10), nano-pollution purification pipe (101), clean water channel (102), clean water outlet port (103), sewage channel (104), sewage outlet port (105), water inlet port (106), water pump device (11), water pump (110), fixed device (111), water pump outlet (112), water pump inlet (113), control panel (12), button (121), display screen (122), conversion button (123), water level detection device (13), detection fixed end (131), detection movable end (132), displacement lower limit end (133), connecting column (1 34), a float (135); the sewage purification device (10) sucks in sewage through the water inlet port (106), and after passing through the nano-decontamination purification tube (101) and the corresponding water purification technology, the sewage and the purified water are separated, the purified water passes through the clean water channel (102) and flows to the clean water outlet port (103), and the sewage passes through the sewage channel (104) and flows to the sealed and fixed sewage outlet port (105), thereby realizing the sewage separation and purification functions. The position of the faucet outlet (92) can be rotated 360 degrees by the rotating device (91), so as to realize the output of purified water from the No. I cleaning tank body (7) to the No. II cleaning tank body (8), or the output of purified water from the No. II cleaning tank body (8) to the No. II cleaning tank body (8). The water level detection device (13) has the function of outputting purified water to the cleaning tank body (7) No.

1. The two ends of the circuit line of the water level sensor provided in the water level detection device (13) are respectively fixed at the detection fixed end (131) and the detection movable end (132). The detection fixed end (131) is fixed at a specified position by a fixing device, and the detection movable end (132) is connected to the float (135) by a connecting column (134). Under the action of water buoyancy and its own gravity, the detection movable end (132) drops to the lower limit end (133) of displacement at the maximum, and rises to the point of contacting with the detection fixed end (131) at the maximum. By disconnecting or connecting and outputting the water level sensor information to the control circuit, intelligent control is realized.

2. The energy-saving and environment-friendly ultrasonic cleaning machine according to claim 1, characterized in that: Two cleaning tanks (7, 8) are provided, namely a cleaning tank I (7) for a low-frequency cleaning area and a cleaning tank II (8) for a high-frequency cleaning area.

3. The energy-saving and environment-friendly ultrasonic cleaning machine according to claim 2, characterized in that: A low-frequency ultrasonic transducer 1 (51) is installed on the side of the cleaning tank body (7) No. I, and a low-frequency ultrasonic transducer 2 (52) is installed on the bottom. The frequency range of the ultrasonic wave is 20-30KHz.

4. The energy-saving and environment-friendly ultrasonic cleaning machine according to claim 2, characterized in that: A high-frequency ultrasonic transducer 1 (31) is installed on the side of the cleaning tank body II (8), and a high-frequency ultrasonic transducer 2 (32) is installed on the bottom. The frequency range of the ultrasonic wave is 30-165KHz.

5. The energy-saving and environment-friendly ultrasonic cleaning machine according to claim 1, characterized in that: The water inlet port (65) with filter screen in the cleaning tank (7, 8) is provided with one or more layers of filter screens. The filter screens can be set to different apertures according to different use occasions to filter out large pieces of pollutants.

6. The energy-saving and environment-friendly ultrasonic cleaning machine according to claim 1, characterized in that: A water inlet port (65) with a filter screen is arranged in the cleaning tank body (7, 8) and above the bottom of the cleaning tank body (7, 8).

7. The energy-saving and environment-friendly ultrasonic cleaning machine according to claim 1, characterized in that: The pipeline converter (62) can achieve communication between any sewage water inlet source port of the converter lower port (63) and the converter upper port (61) through the control device, and the sewage water inlet source port is the only channel.