CN110899231A - High-efficiency ultrasonic cleaning device and method - Google Patents
High-efficiency ultrasonic cleaning device and method Download PDFInfo
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- CN110899231A CN110899231A CN201911235488.5A CN201911235488A CN110899231A CN 110899231 A CN110899231 A CN 110899231A CN 201911235488 A CN201911235488 A CN 201911235488A CN 110899231 A CN110899231 A CN 110899231A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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Abstract
A high-efficiency ultrasonic cleaning device and a method relate to the technical field of ultrasonic cavitation. The invention aims to solve the problems of poor cleaning effect, low efficiency and low sound energy utilization rate of the existing ultrasonic cleaning instrument. The cleaning device comprises a cleaning tank, a sample placing table, an ultrasonic generator, an ultrasonic head and a set of sliding rails, wherein the sample placing table is arranged in the cleaning tank, the ultrasonic generator is arranged on the outer side of the cleaning tank, the output end of the ultrasonic generator is connected with the ultrasonic head, the ultrasonic head is shaped like a frame, the ultrasonic head is arranged in the cleaning tank and sleeved on the outer side of the sample placing table, a set of sliding rails is arranged below the ultrasonic generator along the length direction, a set of rolling wheels are arranged on the lower end face of the ultrasonic generator, and the rolling wheels are slidably connected with the sliding rails. The cleaning method comprises the following steps: selecting an ultrasonic generator; assembling an ultrasonic generator; adding a cleaning solution; and (4) ultrasonic cleaning. The ultrasonic cleaning device is used for ultrasonic cleaning.
Description
Technical Field
The invention relates to the technical field of ultrasonic cavitation, in particular to a high-efficiency ultrasonic cleaning device and method.
Background
The ultrasonic cavitation effect means that micro bubbles in liquid undergo a series of processes such as nucleation, growth, oscillation and collapse under the action of ultrasonic waves and the stretching of a sound wave sparse phase and the compression of a compression phase. The collapse time of the cavitation bubbles is very short (only a few nanoseconds to a few microseconds), and thousands of degrees of high temperature, high pressure of a few GPa and high speed liquid micro jet and shock waves can be generated instantaneously, so that a plurality of mechanical, physical, chemical, biological and other effects such as material damage, chemical reaction speed acceleration and the like are caused. A common ultrasonic device in a laboratory is an ultrasonic cleaning instrument which mainly utilizes the acoustic cavitation of liquid to clean oil stains and impurities on the surface of a test piece. Most ultrasonic cleaning machines in use today place the ultrasonic generator at the bottom of the cleaning tank. The placing mode enables the sound energy utilization rate of the currently used ultrasonic cleaning instrument to be generally low, the economy is poor, and the waste of ultrasonic energy is easily caused.
Therefore, it is necessary to invent a method and a device capable of enhancing the acoustic cavitation intensity in the liquid, and further improving the acoustic energy utilization rate and the ultrasonic cleaning efficiency.
Disclosure of Invention
The invention provides a high-efficiency ultrasonic cleaning device and method in order to solve the problems of poor cleaning effect, low efficiency and low sound energy utilization rate of most of the existing ultrasonic cleaning instruments.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a high efficiency ultrasonic cleaning device includes the washing tank, the platform is placed to the sample, supersonic generator, ultrasonic head and a set of slide rail, the platform setting is placed in the washing tank to the sample, supersonic generator sets up the outside at the washing tank, supersonic generator's output and ultrasonic head are connected, ultrasonic head's shape is the frame form, ultrasonic head sets up in the washing tank and the suit is in the outside that the platform was placed to the sample, supersonic generator's below is equipped with a set of slide rail along length direction, be equipped with a set of running roller on supersonic generator's the lower terminal surface, running roller and slide rail sliding connection.
A high-efficiency ultrasonic cleaning method comprises the following steps:
the method comprises the following steps: selecting an ultrasonic generator: selecting an ultrasonic generator with proper strength according to the cleaning requirement of a sample to be cleaned;
step two: assembling an ultrasonic generator: according to the shape and the size of the cleaning tank, selecting an ultrasonic head which is the same as the cleaning tank in shape and has a slightly smaller overall dimension, sleeving the ultrasonic head on the outer side of the sample placing table, placing the sample on the sample placing table and in the center of the inner side of the ultrasonic head, and then connecting the ultrasonic head with the output end of an ultrasonic generator through a support rod;
step three: adding a cleaning solution: adding a cleaning solution into the cleaning tank, wherein the liquid level of the cleaning solution is lower than that of the through groove;
step four: ultrasonic cleaning: and starting the ultrasonic generator, and manually adjusting the position of the ultrasonic generator along the length direction of the slide rail according to the shape of the sample and the cleaning requirement, so that the position of the ultrasonic head is adjusted, and different positions of the sample are sequentially cleaned.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a method and a device capable of enhancing the internal acoustic cavitation intensity of liquid, which mainly utilize the principle that the internal acoustic pressure of the liquid can be obviously enhanced by a narrower gap so as to enhance the acoustic cavitation, and achieve the purposes of enhancing the internal acoustic cavitation intensity of the liquid, improving the utilization rate of acoustic energy, enhancing the ultrasonic cleaning effect and improving the ultrasonic cleaning efficiency by changing the shape of an ultrasonic tool head. The ultrasonic generator used in the invention is the same as the commonly used generator in the market, and the equipment cost is not increased; the invention aims to ensure that a sample to be cleaned is positioned in a narrower gap of the ultrasonic tool head by changing the shape of the ultrasonic tool head, and the sound pressure in the liquid is obviously amplified in the narrower gap, so that the cavitation intensity is improved; in addition, the sound pressure values of most of the internal areas of the narrow gap can reach the cavitation threshold value, so that the sound energy utilization rate is greatly improved.
Drawings
FIG. 1 is a schematic view of an overall structure of a conventional ultrasonic cleaning apparatus in use;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a right side view of FIG. 2;
fig. 4 is a schematic view of the overall structure of the present invention during use.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 4, and the embodiment is a high-efficiency ultrasonic cleaning device including a cleaning tank 1, a sample placing table 2, an ultrasonic generator 3, an ultrasonic head 4 and a set of slide rails 5, wherein the sample placing table 2 is arranged in the cleaning tank 1, the ultrasonic generator 3 is arranged outside the cleaning tank 1, an output end of the ultrasonic generator 3 is connected with the ultrasonic head 4, the ultrasonic head 4 is shaped like a frame, the ultrasonic head 4 is arranged in the cleaning tank 1 and sleeved outside the sample placing table 2, a set of slide rails 5 is arranged below the ultrasonic generator 3 along the length direction, a set of rollers 6 is arranged on the lower end face of the ultrasonic generator 3, and the rollers 6 are slidably connected with the slide rails 5.
The invention provides a method and a device capable of enhancing the acoustic cavitation intensity in liquid and improving the ultrasonic cleaning efficiency.
The ultrasonic head 4 of the conventional ultrasonic generator 3 is generally installed at the bottom of the cleaning tank 1. After the application of the ultrasound, the acoustic energy is propagated from the ultrasonic head 4 to the bottom surface of the cleaning tank 1, and then into the cleaning liquid. Two times of transmission of ultrasonic energy are involved in the process, namely, the ultrasonic energy is transmitted to the bottom surface of the cleaning pool from the ultrasonic head 4; secondly, the cleaning liquid is spread from the bottom surface of the cleaning tank 1. Ultrasound propagates through different media causing a large waste of acoustic energy, and a large portion is lost when the acoustic energy propagates into the cleaning liquid. In addition, the size of the sample 8 to be cleaned is generally much smaller than the size of the cleaning tank 1. Thus, cavitation in the liquid on both sides of the cleaning tank during cleaning has no direct effect on the cleaning of the sample 8, i.e. there are no useful cavitation zones 9 on both sides of the cleaning tank 1. In conclusion, the conventional ultrasonic generator 3 has a serious energy loss and a low utilization rate in the use process.
The invention modifies the shape of the ultrasonic head 4, so that the ultrasonic head directly extends into the cleaning liquid. After the ultrasonic is applied, the sound energy can be directly transmitted to the cleaning liquid from the ultrasonic head 4, and the energy loss caused by the transmission of the ultrasonic head to the bottom of the cleaning tank 1 can be greatly reduced. In addition, after the ultrasonic generator 3 is started, the liquid generates cavitation under the action of ultrasonic waves, and the cavitation intensity near the ultrasonic head 4 is the highest. Thus, the strong cavitation field generated by the four sides of the square ultrasonic head 4 can be concentrated inwards, and an extremely strong cavitation zone 10 is formed inside the ultrasonic head 4. At this time, the sample 8 to be cleaned is placed in the strong cavitation field, and ultrasonic cleaning can be completed in an extremely short time. The ultrasonic head 4 is specially designed, so that ultrasonic energy is more concentrated, and in the cleaning process, cavitation in liquid on two sides in the cleaning tank 1 is weak to form an ultra-weak cavitation zone 11, so that energy is hardly consumed. Therefore, the ultrasonic generator 3 of the invention has high energy utilization rate, high cleaning efficiency and good effect in the using process.
The ultrasonic generator 3 in the embodiment is an existing conventional ultrasonic generator, and the model of the ultrasonic generator can be HS-8PZT-4520, JT-C40-3000-BR-NMC and the like.
The second embodiment is as follows: the present embodiment is described with reference to fig. 2 to 4, and the ultrasonic head 4 of the present embodiment is a square frame or a circular frame. Technical features not disclosed in the present embodiment are the same as those of the first embodiment.
In the embodiment, in order to facilitate sleeving the ultrasonic head 4 on the outer side of the sample placing table 2, the sample placing table 2 can be fixedly arranged in the cleaning tank 1 in a cantilever manner, namely, one side of the lower end of the sample placing table 2 is fixedly connected with the cleaning tank 1, and the ultrasonic head 4 is sleeved from the other side of the sample placing table 2; the sample placing table 2 can also be fixed in the cleaning tank 1 in a detachable assembling mode, one side of the lower end of the sample placing table 2 is fixedly connected with the cleaning tank 1, then the ultrasonic head 4 is sleeved from the other side of the sample placing table 2, and the other side of the sample placing table 2 is fixedly connected with the cleaning tank 1 after the sleeving is completed.
The third concrete implementation mode: the embodiment is described with reference to fig. 2 to 4, in the embodiment, the ultrasonic generator 3 is disposed at one side below the cleaning tank 1, the end of the ultrasonic head 4 is connected to the output end of the ultrasonic generator 3 through a support rod 7, a through groove 1-1 is disposed at the upper portion of one side wall of the cleaning tank 1 along the length direction, and the support rod 7 is inserted into the through groove 1-1. The technical features not disclosed in the present embodiment are the same as those of the first or second embodiment. This is designed to prevent the ultrasonic head 4 from interfering with the cleaning tank 1 when mounted. The ultrasonic generator 3 is arranged at one side below the cleaning tank 1, so that the sample 8 is prevented from interfering with the ultrasonic generator 3 and the slide rail 5 thereof when the sample 8 is installed, and the sample 8 is not convenient to place and take out.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 2 to 4, and the ultrasonic head 4 and the support rod 7 are detachably connected in the present embodiment. The technical features not disclosed in the present embodiment are the same as those of the third embodiment. So designed to facilitate the installation and the disassembly.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 2 to 4, and the detachable connection between the ultrasonic head 4 and the support rod 7 in the present embodiment is a threaded connection. The technical features not disclosed in the present embodiment are the same as those of the fourth embodiment.
The sixth specific implementation mode: in the present embodiment, the strut 7 is L-shaped as described in the present embodiment, with reference to fig. 2 to 4. The technical features not disclosed in the present embodiment are the same as those of the third embodiment.
The seventh embodiment: the embodiment is described with reference to fig. 2 to 4, in the embodiment, the set of slide rails 5 includes two slide rails 5 arranged in parallel, the set of rollers 6 includes two rows of rollers 6 arranged in parallel, and each row of rollers 6 is slidably connected to one slide rail 5. The technical features not disclosed in this embodiment are the same as those of the first, second, fourth, fifth, or sixth embodiment. The design can be manually adjusted when the position of the ultrasonic generator 3 is adjusted, and the moving stability of the ultrasonic generator 3 is kept while the adjustment is carried out.
The specific implementation mode is eight: the present embodiment is described with reference to fig. 2 to 4, and the high-efficiency ultrasonic cleaning method according to the present embodiment includes the following steps:
the method comprises the following steps: selecting an ultrasonic generator 3: selecting an ultrasonic generator 3 with proper strength according to the cleaning requirement of a sample to be cleaned;
step two: assembling the ultrasonic generator 3: according to the shape and the size of the cleaning tank 1, selecting an ultrasonic head 4 which has the same shape and slightly smaller external dimension, sleeving the ultrasonic head 4 on the outer side of the sample placing table 2, placing a sample 8 on the sample placing table 2 and is positioned in the center of the inner side of the ultrasonic head 4, and then connecting the ultrasonic head 4 with the output end of an ultrasonic generator 3 through a support rod 7;
step three: adding a cleaning solution: cleaning liquid is added into the cleaning tank 1, and the liquid level of the cleaning liquid is lower than that of the through groove 1-1;
step four: ultrasonic cleaning: and starting the ultrasonic generator 3, and manually adjusting the position of the ultrasonic generator 3 along the length direction of the slide rail 5 according to the shape and the cleaning requirement of the sample 8, so as to adjust the position of the ultrasonic head 4 and clean different positions of the sample 8 successively.
The ultrasonic head 4 is designed into a square frame or a circular frame, and the size of the ultrasonic head is approximate to that of the ultrasonic cleaning tank 1, so that a sample 8 placed in the cleaning tank 1 is just surrounded by the ultrasonic head 4. During the ultrasonic cleaning process, the sound energy propagates from the surface of the ultrasonic head 4, i.e., the periphery of the square frame or the circular frame, to the inside (the sample 8 to be cleaned). The special arrangement mode can realize local concentration of ultrasonic energy, and can improve the sound pressure value in the liquid to a great extent, thereby improving the cavitation effect, forming a strong cavitation field at a test piece to be cleaned, and greatly improving the cleaning efficiency.
The invention is characterized in that a slide rail 5 is arranged below the ultrasonic generator 3, and the slide rail 5 can be used for randomly adjusting the position of the ultrasonic head 4 according to the position of a sample 8 to be cleaned. The benefits of this arrangement are two fold: firstly, no specific requirements are required for the placing position of the sample 8, and the ultrasonic cleaning tank 1 can realize high-efficiency cleaning at any position; secondly, if the length of the sample 8 to be cleaned is large, the position of the ultrasonic head 4 can be moved randomly, and different positions of the sample 8 are cleaned successively.
The invention provides a method and a device capable of improving local cavitation intensity during ultrasonic cleaning, which can obviously increase the sound pressure value in liquid and form strong cavitation effect around a sample 8 to be cleaned by reasonably changing the shape of an ultrasonic head 4, thereby improving the use efficiency of ultrasonic energy and enhancing the ultrasonic cleaning effect.
The specific implementation method nine: this embodiment will be described with reference to fig. 2 to 4, and is described belowThe radiation sound intensity range of the ultrasonic generator 3 in the step one is 2-10W/cm2The working frequency is 15 kHz-200 kHz. The technical features not disclosed in this embodiment are the same as those in the eighth embodiment.
The detailed implementation mode is ten: in the second step of the present embodiment, the ultrasonic head 4 is made of a high-strength titanium alloy, and the sample-placing table 2 is made of 304 stainless steel. Technical features not disclosed in this embodiment are the same as those of the eighth or ninth embodiment.
Example 1:
the main function of the ultrasonic generator 3 is to convert electrical energy into ultrasonic waves. In this embodiment, the average radiated sound intensity of the ultrasonic generator 3 is 5W/cm2The working frequency is 40 kHz;
the main function of the ultrasonic head 4 is to transmit ultrasonic energy into the liquid. In the embodiment, the ultrasonic head 4 is in a square frame shape, the ultrasonic head 4 is made of high-strength titanium alloy, and the size of the ultrasonic head is similar to that of the cleaning tank 1.
The main function of the sample placement stage 2 is to place the sample 8 to be washed. In this example, the sample table 2 was made of 304 stainless steel with a flat surface and a thickness of 3 mm.
The main function of the slide 5 is to adjust the position of the ultrasonic head 4 according to the size of the sample 8 to be cleaned. The sliding rail 5 has two advantages: firstly, no specific requirements are required for the placing position of the sample 8, and the ultrasonic cleaning tank 1 can realize high-efficiency cleaning at any position; secondly, if the length of the sample 8 to be cleaned is large, the position of the ultrasonic head 4 can be moved randomly, and different positions of the sample 8 are cleaned successively.
The implementation process 1:
1. a square aluminum alloy sample 8 having a side length of 30mm was placed on the sample placement stage 2.
2. And moving the roller 6 to move the square ultrasonic head 4 to the sample 8, so that the sample 8 to be cleaned is positioned at the center of the square ultrasonic head 4.
3. The cleaning time is set to be 5min, and the power is set to be 90% of the total output power.
4. The switch of the ultrasonic generator 3 is turned on, and the sample 8 is washed.
5. And (4) closing the switch of the ultrasonic generator 3, taking out the sample 8, and drying to obtain the cleaned sample 8.
Example 2:
the ultrasonic head 4 in this embodiment is circular in shape, and has a size similar to that of the cleaning tank 1, and the rest of the parts are the same as those in embodiment 1.
The implementation process 2:
1. an aluminum alloy strip sample 8 having a length of 300mm and a diameter of 10mm was placed on the sample placement stage 2.
2. The roller 6 is moved to move the round ultrasonic head 4 to one end of the sample 8.
3. The cleaning time is set to be 5min, and the power is set to be 90% of the total output power.
4. And (3) turning on a switch of the ultrasonic generator 3, slowly moving the ultrasonic head 4 from one side to the other side of the aluminum alloy strip sample 8 for cleaning, stopping after the ultrasonic head reaches the other end, and moving back and forth for multiple times to achieve a better cleaning effect.
5. And (4) closing the switch of the ultrasonic generator 3, taking out the sample 8, and drying to obtain the cleaned sample 8.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. A high efficiency ultrasonic cleaning device which characterized in that: the utility model provides a high efficiency ultrasonic cleaning device includes washing tank (1), platform (2) are placed to the sample, supersonic generator (3), ultrasonic head (4) and a set of slide rail (5), platform (2) setting is placed in washing tank (1) to the sample, supersonic generator (3) set up the outside in washing tank (1), the output and the ultrasonic head (4) of supersonic generator (3) are connected, the shape of ultrasonic head (4) is the frame form, ultrasonic head (4) set up in washing tank (1) and the suit is in the outside that the platform (2) were placed to the sample, the below of supersonic generator (3) is equipped with a set of slide rail (5) along length direction, be equipped with a set of running roller (6) on the lower terminal surface of supersonic generator (3), running roller (6) and slide rail (5) sliding connection.
2. The high efficiency ultrasonic cleaning device of claim 1, wherein: the ultrasonic head (4) is a square frame or a circular frame.
3. A high efficiency ultrasonic cleaning apparatus according to claim 1 or 2, wherein: the ultrasonic generator (3) is arranged on one side below the cleaning tank (1), the tail end of the ultrasonic head (4) is connected with the output end of the ultrasonic generator (3) through a support rod (7), a through groove (1-1) is formed in the upper portion of one side wall of the cleaning tank (1) along the length direction, and the support rod (7) is inserted into the through groove (1-1).
4. A high efficiency ultrasonic cleaning apparatus according to claim 3, wherein: the ultrasonic head (4) is detachably connected with the support rod (7).
5. The high efficiency ultrasonic cleaning device of claim 4, wherein: the detachable connection mode between the ultrasonic head (4) and the support rod (7) is threaded connection.
6. A high efficiency ultrasonic cleaning apparatus according to claim 3, wherein: the support rod (7) is L-shaped.
7. A high efficiency ultrasonic cleaning apparatus according to claim 1, 2, 4, 5 or 6, wherein: the group of sliding rails (5) comprises two sliding rails (5) arranged in parallel, the group of rollers (6) comprises two rows of rollers (6) arranged in parallel, and each row of rollers (6) is respectively connected with one sliding rail (5) in a sliding manner.
8. A cleaning method using the high efficiency ultrasonic cleaning apparatus according to any one of claims 1 to 7, characterized in that: the method comprises the following steps:
the method comprises the following steps: selecting an ultrasonic generator (3): selecting an ultrasonic generator (3) with proper strength according to the cleaning requirement of a sample to be cleaned;
step two: assembling an ultrasonic generator (3): according to the shape and the size of the cleaning tank (1), selecting an ultrasonic head (4) which has the same shape and slightly smaller external dimension, sleeving the ultrasonic head (4) on the outer side of the sample placing table (2), placing a sample (8) on the sample placing table (2) and is positioned in the center of the inner side of the ultrasonic head (4), and then connecting the ultrasonic head (4) with the output end of an ultrasonic generator (3) through a support rod (7);
step three: adding a cleaning solution: cleaning solution is added into the cleaning tank (1), and the liquid level of the cleaning solution is lower than that of the through groove (1-1);
step four: ultrasonic cleaning: and starting the ultrasonic generator (3), and manually adjusting the position of the ultrasonic generator (3) along the length direction of the slide rail (5) according to the shape and the cleaning requirement of the sample (8), so as to adjust the position of the ultrasonic head (4) and sequentially clean different positions of the sample (8).
9. The cleaning method according to claim 8, characterized in that: the radiation sound intensity range of the ultrasonic generator (3) in the step one is 2-10W/cm2The working frequency is 15 kHz-200 kHz.
10. The cleaning method according to claim 8 or 9, characterized in that: in the second step, the ultrasonic head (4) is made of high-strength titanium alloy, and the sample placing table (2) is made of 304 stainless steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911235488.5A CN110899231A (en) | 2019-12-05 | 2019-12-05 | High-efficiency ultrasonic cleaning device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911235488.5A CN110899231A (en) | 2019-12-05 | 2019-12-05 | High-efficiency ultrasonic cleaning device and method |
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| CN108580427A (en) * | 2018-04-17 | 2018-09-28 | 汤孝波 | Ultrasonic cleaning equipment |
| CN208592177U (en) * | 2018-04-17 | 2019-03-12 | 廊坊京磁精密材料有限公司 | Vibration plate adjustable mobile ultrasonic cleaning device |
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2019
- 2019-12-05 CN CN201911235488.5A patent/CN110899231A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010048038A2 (en) * | 2008-10-20 | 2010-04-29 | Shell Oil Company | Methods and devices for cleaning subsea structures using ultrasound |
| CN101791616A (en) * | 2010-04-06 | 2010-08-04 | 惠州益伸电子有限公司 | Ultrasonic cleaning equipment |
| CN203360216U (en) * | 2013-05-24 | 2013-12-25 | 重庆泰克环保工程设备有限公司 | Self-cleaning ultrasonic MBR (membrane bioreactor) system |
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