Shaker's the difference between ultrasound and infrasound

 
Standard vibrating screen for some of the more special, difficult screening material screening, they often cause some problems such as blocking network, so for some special

materials to use ultrasonic vibrating screen (in shaker plus ultrasonic device). But some customers in the process of inquiry would mistakenly said infrasound shaker. Here I

give you explain the difference between ultrasonic and infrasonic:  coal production line

Ultrasound and infrasound We've all seen the

Ultrasound technology is one of physical, electronic, mechanical and materials science-based generic technologies. Ultrasound technology is through ultrasonic generation,

transmission and reception of the physical process of completion. The ultrasonic beam having a polyethylene, orientation and the reflection, transmission and other

characteristics. By ultrasonic vibration radiation of different sizes can be broadly divided into:

1. Ultrasonic object or physical changes to application of power to said power ultrasound, for example: in the liquid sufficient energy occurs, resulting in cavitation, can be

used for cleaning, emulsion.

2. Use ultrasound to get some information, access to communications applications, said detecting ultrasound, for example: using ultrasonic pulse reflection in medium thickness

of objects called ultrasonic thickness testing.

Ultrasonic cleaning and application:

First, the principle of ultrasonic cleaning

Ultrasonic cleaning is a physical cleaning, the cleaning liquid into the tank, the role of ultrasound in the tank. Because ultrasonic and acoustic vibrations as a density wave

in the communication process, media pressure for change alternately. In the negative pressure area, the forces tearing the liquid and a vacuum bubbles. When the sound pressure

reaches a certain value, the rapid growth of the bubble in the bubble pressure due to the pressure area crowded burst, is closed. At this point, the liquid collision between a

strong shock wave. Although the displacement speed is very small, but the acceleration is very large, the partial pressure of up to several thousand atmospheres, which is called

cavitation.  crushing and screening plant

Second, several factors affect the cleaning effect

    1. Vs. frequency: Average frequency gets low cavitation effect is more obvious, but the noise is relatively high for the object surface is relatively flat objects. The

higher the frequency, the worse the effect of cavitation, but the noise is relatively low, for blind holes efficient and more porous objects and electronic crystals.

    2. With the temperature: 30 ℃ -50 ℃ generally medium temperature cleaning works best.

    3. With sound intensity related to: Depending on frequency, intensity general election in 1-2w/cm2 so.

    4. Related with the cleaning fluid: In general, the lower the viscosity of the cleaning liquid containing gas is higher, the better the cleaning effect.

    5. And depth of the cleaning fluid on the position of objects to be cleaned.

   Third, ultrasonic cleaning in a variety of fields of application

    Because ultrasonic cleaning itself has other physical or chemical cleaning cleaning incomparable superiority, it is widely used in service industry, electronic industry,

pharmaceutical industry, laboratories, mechanical industry, carbide industry, chemical industry and many other fields, the following individual industry brief.

    1. The application in the service sector.

    Daily production, glasses, jewelry can be cleaned using ultrasonic, fast, no damage, large hotels, restaurants use it to wash dishes, not only the cleaning effect, also has

a role in killing the virus.

    2. The application of ultrasound in the powder industry

    As we all know, to get particles of different sizes, is placed in the ball mill for crushing material, after screening of different specifications sieve layers obtained.

After prolonged use of a sieve, sieve will be blocked (such as diamond mesh), using other methods brushing will destroy sieve, and the result is not satisfactory, after many

manufacturers test, ultrasonic cleaning, is not damaged sieve and top sieve particles are recovered completely blocked.

    3. The application of ultrasound in the pharmaceutical industry

    Ultrasonic cleaning technology through the application of a number of pharmaceutical companies are widely used, particularly for vials, oral liquid bottles, ampoules,

infusion bottles as well Dingjijiaose cleaning, cleaning of natural rubber plug, it has already got approval. For bottles of cleaning is the use of ultrasonic cleaning

technology instead of the original brush machine, it passes flip water, ultrasonic cleaning, rinse inside and outside, the air dry, flip and other processes and achieve.

    4. Ultrasonic cleaning of the filter

    We know that no matter what kind of material filters or whatever purpose filters, used for some time, will reduce the permeability of the impurities caused scrapped,

ordinary filter can lower prices, but for the chemical industry, a only import filter, the price of nearly million, abandoned a pity that we developed in cooperation with other

research institutes ultrasonic filter cleaning machine, using shaped ultrasonic cleaning machine, which can put more than 1KW energy concentrated in the 200 × 20mm2 radiating

on ultrasonic intensity, can quickly clog removal, while equipment using anti-filtering device, as long as you wave the core, we can provide you with complete cleaning device.

(The filter device of a washing time is 10-15 minutes). For PP cotton filter, activated carbon filter, ceramic hollow fiber membrane cartridge filter.

   5. Ultrasonic cleaning of metals

    As we all know, the metal bars by extrusion into the wire, the metal wire is often a layer of carbonized outer membrane and oil, acid cleaning, or other cleaning methods, it

is difficult to remove dirt (in particular, the whole plate wire), ultrasonic washing machine is a wire According to the actual production needs and design of a continuous wire

walking, efficient cleaning equipment, rough wash part by cleaning fluid storage tank, transducer, circulating pumps, filters and matching piping system components, wire rough

cleaning by ultrasonic washing fine , and then after drying, thereby to complete the cleaning process. Integrated control package of equipment, simple, easy, effective, widely

used tantalum wire, tungsten wire, molybdenum wire, niobium wire, copper wire (insulated paint coating before) and other metal wire.

    6. Ultrasonic cleaning technology in phosphate processing applications

    Product spraying pre-treatment process is very important, the general use of the traditional process of acid treatment of the workpiece, severe environmental pollution, poor

working environment, meanwhile, the biggest drawback is that the structure of complex parts residue after acid pickling rust is difficult rinse. After spraying the workpiece,

the time is not long, along the crevice corrosion phenomena occur, destroying the coating surface, seriously affect the appearance and internal quality. Ultrasonic cleaning

technology applied to the coating pre-treatment, not only make the surfaces and crevices in the dirt quickly falling off, and spray coating parts firm will not return to rust

layer.

    Ultrasonic cleaning can be used in all walks of life, the above is only representative of several industry applications, as well as many new industries and fields can be

used ultrasonic cleaning, looking forward to the general use of units and manufacturers to jointly develop exploration.

    Ultrasonic thickness and application

    In the industrial field of ultrasonic thickness measurement is a mature high-tech, its biggest advantage is the detection of safety, reliability and high precision, and it

can be detected in the running state tour. Ultrasonic thickness gauge by the working principle: There is resonance, interferometry and pulse reflection method.

    Several, due to pulse reflection method does not involve resonance mechanism, with the measured surface finish is not close, so the ultrasonic pulse method thickness are the

most popular kind of instrument.


  1. Works

    Ultrasonic Thickness host and the probe has two main parts. Host circuit consists of transmitter, receiver circuit, counter display circuit of three parts, high pressure

generated by the shock wave transmitter circuit excitation probes, ultrasonic transmit pulse generation, pulse reflected by the dielectric interface after receiving circuit

receives, through the microcontroller counting process, after the thickness of the liquid crystal display value, which is based on sound waves propagation speed in the sample

multiplied by half of the time through the sample and obtain a sample thickness.

    I plant operated by HT Series Super Shiba thickness, the introduction of foreign advanced technology, based on the use of SCM technology developed a low-power low limit

Pocket intelligent measurement instruments, not only have different material thickness measurement instruments, And a single measure steel, ultra-thin, while supporting high

thickness probe can be.

    2. Gage applications

    Since ultrasound is easy to handle and good directivity, ultrasound measurement of metal, non-metallic material thickness, fast and accurate, non-polluting, especially when

only one side can touch license occasions, can show its superiority , widely used in a variety of sheet, pipe wall thickness, boiler vessel wall thickness and localized

corrosion, corrosion of the situation, so the metallurgy, shipbuilding, machinery, chemicals, power, atomic energy and other industrial sectors of product inspection, safe

operation of equipment and modern management plays a major role.

    Ultrasonic Thickness Gauge Ultrasonic cleaning and ultrasound technology is only part of the application, there are many areas can be applied to ultrasound technology. For

example ultrasonic atomization, ultrasonic welding, ultrasonic drilling, ultrasonic grinding, ultrasonic polishing, ultrasonic motor and so on. Ultrasound technology will be

more widely used all walks of life.

    The application of infrasound from the 1950s, and gradually widely valued by the people. Infrasound application prospects generally have several aspects:

    (A) the study of natural phenomena through infrasound generated by the properties and generating mechanism, more in-depth study and understanding of the characteristics of

these natural phenomena and laws. For example, the use of infrasound generated by the aurora, auroral activity can be studied law.

    (2) using the received measured infrasound generated by the sound source, the sound source can detect the position, size and study other properties. For example, by

receiving nuclear explosions, rocket launchers or typhoon generated infrasound to detect infrasound source for these parameters.

    (3) prediction of natural catastrophic events. Many disastrous natural phenomena, such as volcanic eruptions, tornadoes, thunderstorms, typhoons, etc., before they occur may

radiate infrasound, people likely to use these precursory phenomena disaster prediction and forecasting of these natural events.

    (4) infrasound propagation in the atmosphere, are vulnerable to the impact of media atmosphere, it winds in the atmosphere and temperature distribution and other factors are

closely linked. Thus, by measuring the natural or artificially generated infrasound propagation characteristics in the atmosphere, some large-scale meteorological detect the

nature and regularity. The advantage of this method is that it can be for a wide range of atmospheric continuous detection and monitoring.

    (5) by measuring infrasound and other fluctuations in the atmosphere result of the interaction, the detection characteristics of these activities. For example, in the

ionosphere plays the role of the acoustic wave propagation under the marching interference, you can determine the characteristics of infrasound, further reveal the laws of

ionospheric disturbances.

    (6) and other organisms is not only able to produce certain reactions infrasound, and he (or it) will be issued certain organs of their weak infrasound. Therefore, we can

use these sub-sonic characteristic determination to understand the human body or other biological activities of the corresponding organ.