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Before purchasing a cleaning system, the following application analysis should be carried out on the cleaned parts: the material composition, structure and quantity of the washed parts, and the analysis and clarification of the dirt to be removed are the prerequisites for deciding what kind of cleaning method to use and judging whether to use water-based cleaning agent or solvent. The cleaning process of the terminal needs to be verified by cleaning experiments.
Only in this way can we provide a suitable cleaning system, a properly designed cleaning process and a cleaning agent.
Considering the influence of the physical properties of the cleaning agent on ultrasonic cleaning, vapor pressure, surface tension, viscosity and density should be significant influencing factors. Temperature can affect these factors, so it also affects the efficiency of cavitation.
When choosing a cleaning agent, the following three factors should be considered:
1.Cleaning efficiency: When choosing an effective cleaning solvent, be sure to do experiments. If ultrasound is introduced into an existing cleaning process, the solvent used generally does not have to be changed;
2.Simple operation: The liquid used should be safe and non-toxic, simple to operate and have a long service life;
3.Cost: The cost of using inexpensive cleaning solvents is not necessarily low.
In use, it is necessary to consider the cleaning efficiency and safety of the solvent, how many workpieces can be cleaned with a certain amount of solvent, and the high utilization rate of the workpiece. Of course, the cleaning solvent chosen must achieve the cleaning effect and be compatible with the material of the workpiece to be cleaned. Water is a common cleaning agent, so the system using aqueous solution is easy to operate, low cost and widely used.
However, for some materials and dirt that are not suitable for aqueous solutions, there are many solvents available. The cleaning system to be distinguished between different cleaning agents is a water-based system: it usually consists of an open groove in which the workpiece is submerged.
The complex system consists of several tanks and is equipped with a recirculating filtration system, a shower tank, a drying tank and other accessories.
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Which cleaning agent is better to remove grease with cleaning agent, which has strong decontamination and is clean.
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1: Industrial-grade high-pressure cleaning machine: the product positioning is the machine and equipment DU
The industrial-grade high-pressure washer is designed according to the strips of industrial cleaning, and the main features are: high reliability, high load capacity, and high safety factor. The materials used in the manufacture of the machine are quite exquisite, including manufacturing accuracy, heat treatment of materials, flaw detection and strength testing.
Two: Commercial-grade high-pressure washer: product positioning is a general tool.
Commercial-grade washers are designed for general commercial use, generally with high speed and simple structure. Main features: high speed, lightweight, cheap, suitable for general purpose cleaning operations with small workload and low pressure requirements.
3. The difference between the performance and use of industrial-grade high-pressure cleaners and commercial-grade high-pressure cleaners.
Under the same technical parameters (pressure and flow), the continuous effective working time of the industrial-grade high-pressure washer is much greater than that of the commercial-grade high-pressure washer, the pump head and the volume of the whole machine of the industrial-grade high-pressure cleaner are far greater than the volume of the pump head and the whole machine of the commercial-grade high-pressure cleaner, and the value and service life of the industrial-grade high-pressure cleaner are far greater than the value and service life of the commercial-grade high-pressure cleaner.
These are my summaries, and they may not all be right!
Industrial cleaning machine, as the name suggests, is a professional cleaning machine designed to meet the needs of industrial and mining enterprises and other units with poor environment, long operation time, large cleaning volume and high requirements for cleaning efficiency; The products are designed and manufactured with the aim of ease of use in the future and resistance to complex environments. Industrial cleaning machines generally use heavy and tough steel structures to adapt to different industrial and mining conditions; The product is based on maintainability; The equipment is reliable, solid and durable, and its life span is generally more than three times that of other cleaning machines.
The industrial cleaning machine is generally a heavy and tough steel structure, and the equipment is of reliable quality and durable; The configuration of overvoltage and overload protection has large calorific value, extremely high heating efficiency, quiet work and low noise; Low heating and maintenance costs. Professional industrial cleaning machines are more suitable for environmental factors such as northern weather, water quality, wind and sand, and site, and have a longer life.
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The high-pressure cleaner is mainly used for the cleaning of machinery, chemical industry, food processing, pipeline dredging, construction, wall and other industries, and its use range can be said to be very wide. In addition, the high-pressure cleaner also has the characteristics of good cleaning effect, environmental protection, small investment, not easy to damage, etc., and the development momentum is becoming more and more rapid, many enterprises and individuals are considering using high-pressure cleaners to save resources, save costs, and make money, so when purchasing high-pressure cleaners, what should be done to buy satisfactorily and comfortably?
The first is to look at the appearance. The high-pressure washer has a delicate design, compact structure, and fine manufacturing process, and it is almost straightforward to judge the quality of the equipment. The design style of each manufacturer is different, from the design style, whether the equipment produced by the manufacturer is mature, because the manufacturer with mature production technology will continue to improve the appearance while producing the equipment, and try to make the volume and weight smaller and lighter under the premise of ensuring quality.
And the appearance of the equipment can penetrate the company's design technology, process level and management culture.
The second is safety performance. Ordinary pressure washers are gasoline-driven, diesel-driven, or electric motor-driven. The medium of the high-pressure washer is water, the water is conductive, and the high-pressure water power generated by the high-pressure water gun is also huge.
The third is the fine process. Almost all high-pressure cleaner businesses on the market will boast that the core components of the equipment are imported, even if the core components are "original imports", it depends on the brand, only the original imported parts with good brand and mature technology can show the overall quality of the equipment, in addition, the material of other components is also very important, such as water seals, pressure regulators, high-pressure hoses, nozzles, etc., which are all original imports, or imported quality, so that the equipment will not fall off the chain when it is bought and used.
Fourth, look at professionalism. A mature high-pressure washer manufacturer is very professional, they can not only provide buyers with detailed parameters, design drawings, but also pay attention to the configuration. In short, it's tailor-made so that you don't have to blame.
Professional manufacturers can recommend suitable power, configuration of durable parameters, equipment size, printhead, actuator, etc. according to customer requirements.
Fifth, choose according to your needs. Choose the model according to your own financial budget, usually the original imported equipment, the technology is novel, durable and efficient has certain advantages, ** will also be very high, and the maintenance cost is also very high. Don't blindly pursue high standards when buying equipment, and don't buy it because it is cheap and suitable for your own needs, and it is best to make a decision after a field visit to the manufacturer.
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Depending on what kind of products are used to clean, the cleaning machine probably includes a single-tank cleaning machine, a multi-tank cleaning machine, a fully automatic cleaning machine, a through-feed cleaning machine, a spray cleaning machine, a rotary cleaning machine, and so on. It is better to choose according to the demand.
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1. The cause of scaling and the necessity of cleaning.
Due to the action of water vapor corrosion and oxidation under long-term high temperature, the superheater and reheater tubes of power plants form a layer of dense magnetic iron oxide scale, and the growth and shedding of oxide scale is inevitable with the increase of operation time. As a result, there are the following problems in the operation of the unit: the risk of pipe blockage and pipe burst; shedding of oxide scale erosion turbine blades; Affecting heat transfer leads to a decrease in boiler efficiency and an increase in energy consumption.
Chemical cleaning is one of the most straightforward, cost-effective ways to solve the above problems.
2. Cleaning content and technical requirements.
Wash the contents. Chemical cleaning scope of superheating system: chemical cleaning of high-temperature superheaters, screen superheaters, low-temperature superheaters, cladding walls, ceilings, etc.
Chemical cleaning scope of reheat system: chemical cleaning of high-temperature reheater, low-temperature reheater, etc.
Cleaning technical requirements.
In addition to the quality standards that meet the requirements of the Guidelines for Chemical Cleaning of Boilers in Thermal Power Plants (DL T794-2012), the following technical requirements must be met.
Superheaters (reheaters) have many serpentine vertical tubes (U or W) that prevent the formation of air locks and the deposition of corrosion products at the elbows.
The material of the superheater (reheater) is mostly austenitic alloy, and the pickling medium shall not have harmful ions that cause pitting corrosion and intergranular corrosion to the superheater (reheater).
3. Chemical cleaning process.
Water rinsing (cold and hot rinsing) Pickling Water rinsing after pickling Rinsing and passivation
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1. High cleaning efficiency and good effect.
Compared with manual or other cleaning methods, the industrial ultrasonic cleaner has a very significant cleaning effect, and can completely and effectively clean the dead corners of the workpiece, so as to truly meet the cleaning requirements of removing the dead corners and hidden corners of complex workpieces.
2. Batch cleaning can be carried out.
Whether it is a single workpiece with a complex structure or a large number of workpieces, the industrial ultrasonic cleaner can be cleaned very efficiently by simply placing these workpieces in the cleaning tank and ensuring that the individual parts have access to the cleaning solution.
3. Wide applicability.
Industrial ultrasonic cleaners can combine different solvents to achieve different cleaning effects, and can also meet different supporting production processes, such as dust removal, rust removal, oil removal, wax removal, passivation, phosphating, pottery and cleaning before electroplating.
4. Energy saving and environmental protection.
The industrial ultrasonic cleaning machine is equipped with a cleaning circulation filtration system, which can circulate and filter the cleaning solvent and use it repeatedly, which can save the cost of cleaning solvent and save water resources, and truly achieve energy saving and environmental protection.
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1. Select from the material and process of the cleaning object.
Because the industrial cleaning machine is for some relatively small parts to clean, the cleaning requirements for these parts are particularly high, according to the material condition of the parts and its process requirements to determine which cleaning method needs to be used, but also to determine the type of cleaning machine that should be used.
Second, choose according to the cleaning method.
If the cleaning method of water-based cleaning is used to complete the cleaning of parts, it is still possible to choose an ordinary cleaning machine, which is suitable for parts that do not require high cleanliness of cleaning; If you need to choose solvent to clean parts, you should choose a fully enclosed metal cleaning machine, and you should choose a single tank and fully enclosed cleaning machine equipment, so as to avoid the impact of strong volatile solvents on environmental protection, so that one form of environmental pollution becomes another pollution, and this fully enclosed industrial cleaning machine happens to meet the requirements of environmental protection standards, which can bring more convenience to cleaning, and will not harm the operator, and maintain a very good working environment.
3. Choose from the aspect of working environment.
In the process of choosing an industrial cleaning machine, it is necessary to consider the factors of the working environment to see whether the surrounding environment will affect its stability, to ensure that there will be no damage to the parts in the cleaning process, and to ensure a safe and stable all-round cleaning of the parts.
In general, in the process of choosing an industrial cleaning machine, it is necessary to consider the material of the cleaning object and the type of cleaning machine that the process is more suitable for, and to consider the cleaning method, the cleaning method determines the choice of the cleaning machine, and the working environment needs to be considered to ensure the safety of the easy-to-use industrial cleaning machine in the cleaning process of parts.
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1. Ultrasonic waves propagate in the liquid, so that the liquid and the cleaning tank vibrate together under the ultrasonic frequency, and the liquid and the cleaning tank have their own natural frequency when they vibrate, and this vibration frequency is the sound wave frequency, so people hear the buzzing sound. With the continuous development of the cleaning industry, more and more industries and enterprises have used ultrasonic cleaning machines. 2. So how to choose the frequency of the ultrasonic cleaner?
There is a close relationship between the ultrasonic cavitation threshold and the frequency of ultrasonic waves, and the higher the frequency, the higher the cavitation valve. In other words, the lower the frequency, the easier cavitation is, and in the case of low frequency, the liquid is compressed and sparsified to have a longer time interval, so that the bubbles can grow to a larger size before disintegration, increasing the cavitation strength, which is conducive to cleaning. 3. The effect of ultrasonic cleaning machine is not necessarily proportional to (power cleaning time), sometimes with low power, it takes a long time to remove dirt.
However, if the power reaches a certain value, sometimes the dirt is removed very quickly. If the choice of power is too large, the cavitation strength will be greatly increased, and the cleaning effect is improved, but at this time, the more precise parts also produce erosion points, the gains outweigh the losses, and the cavitation at the vibrating plate at the bottom of the cleaning cylinder is serious, and the water point corrosion is also increased, when using organic solvents such as trichloroethylene, there is basically no problem, but when using water or water-soluble cleaning liquid, it is easy to be corroded by water spots, if the surface of the vibrating plate has been damaged, the cavitation corrosion under the water bottom under the strong power is more serious, so the ultrasonic power should be selected according to the actual use. 4. Power density = transmitting power (w) Transmitting area (cm2) Generally, the higher the power density of ultrasonic, the stronger the cavitation effect, the faster the speed, and the better the cleaning effect.
However, for delicate objects with a very high surface finish, long-term high-power density cleaning will cause "cavitation" erosion on the surface of the object. For example: the bottom size of the cleaning tank is 600*400mm This size of the tank body is generally evenly arranged at the bottom of the 24 oscillators, as long as you know the length and width of the cleaning tank, 100mm distance from a vibrator, horizontal and vertical are this distance, the power of the oscillator is generally 50w or 60w.
If the pollution is heavy, the power can be increased appropriately, and 28 of them can be placed evenly, with a total power of about 1400W, and a 1500W generator can be used. 5. However, the choice of ultrasonic cleaning power is small, and it is not advisable to spend a long time without removing the dirt. Conventional ultrasonic cleaning in the industry, the standard ultrasonic cleaning machine ranges from 100W to 1500W, how big the workpiece is, under the premise of considering the cleaning cycle, the size of the ultrasonic cleaning tank determines the ultrasonic power.
Therefore, the best way is to do experiments first to obtain the appropriate parameter configuration, and configure the ultrasonic power according to the actual use, which is conducive to practical application. In addition, when purchasing an ultrasonic cleaner, you can try to choose a cleaning machine with adjustable power.
Select the feature. 1.Depends on usage.
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