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How many years do I need to replace the high-efficiency filters used in clean plants? What are the performance characteristics of high efficiency filters?

2022-06-30

How many years do I need to replace the high-efficiency filters used in clean plants? What are the performance characteristics of high-efficiency filters? High-efficiency filters for clean plants is essential equipment, of course, there are some lower intermediate and low-efficiency filters as well, they all have a service life, general use of a few years need to be replaced? If there is no problem after cleaning, sterilizing and determining the clean room (e.g., exhaust air volume, high-efficiency leakage test, air change frequency, floating dust particles, microbial strains, temperature and humidity, etc.), then there is no need to replace the filter again. 5 years ago, the validation of the provisions and today's provisions have long been not very much the same, in addition to replacing the filter, but also to do something else to update the transformation or, perhaps, there is also a replacement of filters or according to the consistency of the filter, the cleanliness of the clean plant level, and its high-efficiency filters to clean up the case of the bar, simply to say that the replacement is not replaced with all of you do not undertake. In the clean room, regardless of the installation...

What are the characteristics of and differences between primary filters, intermediate filters, and high efficiency filters used in clean rooms in factories?

2022-06-30

What are the characteristics and differences between the primary filter, intermediate filter and high efficiency filter used in the clean workshop of the factory? Primary filters are suitable for primary filtration of air-conditioning systems, mainly used for filtering dust particles above 5μm. Primary filters have three styles: plate type, folding type and bag type, with paper frame, aluminum frame and galvanized iron frame as frame materials, non-woven fabrics, nylon mesh, activated carbon filter material and metal hole mesh as filter materials, and double-sided sprayed iron wire mesh and double-sided galvanized iron wire mesh as protective mesh. Features of primary effect filter: inexpensive, light weight, good versatility, compact structure. Primary filters are mainly used for: pre-filtration of central air conditioning and centralized ventilation system pre-filtration of large air compressor pre-filtration of clean return air system pre-filtration of local high-efficiency filtration device high-temperature-resistant air filters with stainless steel frame, high-temperature-resistant 250-300 ℃ filtration efficiency of the primary filters, commonly used in the primary filtration of air-conditioning and ventilation systems, but also for simple air-conditioning only needing a first level of filtration ...

What is the role of the air filter used in the cleanroom of the purification workshop? What are the filter classifications?

2022-06-30

What is the role of the air filter used in the cleanroom of the purification workshop? What is the classification of filters? Previously, I took you to introduce several common cleanroom materials, facilities, equipment, today we are talking about another key equipment together, as an important role in purifying the air, that is, the air filter, as the name implies air filter is to filter dirty air particles, substances, so that the air processed to the degree of cleanliness that we want, but according to the different levels of purification, purification of different degrees, the selection of the appropriate air However, according to the different purification levels and different degrees of purification, we should choose the right air filter in order to make it play its due role and achieve satisfactory results. First of all, we first elaborate the principle of the role of the filter, that is, the five effects. As we all know, the dust particles in the air are very small, it is difficult to capture with the naked eye, then we must use special materials, so that the dust particles are intercepted when passing through, captured. 1, the role of interception; that is, the fiber layer, the fiber intricate arrangement, the formation of many grids, when the dust particles moving to the fiber table...

How to choose the model of primary effect filter? Is there any difference between a primary filter and a coarse filter?

2022-06-30

How to choose the model of primary effect filter? Is there any difference between the primary filter and the coarse filter? Primary filter in today's social development, has a very wide range of applications, almost in all categories have its existence, this is mainly because of today's serious environmental pollution, both in terms of water quality and air, so in order to ensure the quality of life, the use of various types of filter equipment has been very widespread, look at the selection of the primary filter process to comply with what rules? Primary filter planning guidelines: this equipment is different from other similar equipment, it is mainly to purify the air side of the larger pollution particles, generally applicable to the family, meeting rooms and other places in the evening, and can satisfy the purification needs of the place to bring a healthy environment for people, of course, these are very much related to the planning of its own. Planning Guideline 1: Purification of environmental needs Different environments generally have different purification needs, this time the filtration...

What causes the odor in the air purifier? Can I wash the HEPA filter in water?

2022-06-29

What causes the odor in the air purifier? Can I wash the HEPA filter in water? Just stepping into the sweltering summer heat, many people's homes bring out the air purifier. Air purifiers, as a device that can continuously improve indoor air quality, have gradually come into thousands of homes in recent years. In the process of our use, we gradually learned that air purifiers need to regularly replace the filter, depending on the use of the environment and the frequency of use, the replacement time of the filter is also different. But a lot of friends reflect open air purifier a sour smell comes to the nose. Why is there a sour odor? In fact, this is a problem that exists in most filtered air purifiers. Because when the air purifier is working, the particles and microorganisms in the air will be adsorbed on the filter, and under the right temperature and humidity, the filter will breed bacteria and produce a bad smell. In addition to this, the activated carbon filter in the air purifier will also produce an acidic odor when it becomes damp. For this situation...

What is the reason for the big price difference in air purifiers and what is the difference in HEPA filter material?

2022-06-29

What is the reason for the big price difference between air purifiers, and what is the difference between HEPA filter materials? In the face of the overall decline in China's home appliance market, only air purifiers have gained high speed development, which also proves that health appliances have development potential in the industry. However, in 2014, many emerging purifier brands to join, so that this piece of cake tasteless; air purifier prices from tens of thousands of dollars to a few hundred dollars ranging from the Internet companies into the air purifier are impacting a number of traditional home appliances brand, making the foreign brands of high-priced sales model is broken. Is this limited to the difference in price? No matter the design workmanship is an important reference for the price. Comparatively speaking, air purifier is a fan of several filters, it is a seemingly simple combination, but the test manufacturers in the material of the problem. HEPA is (High efficiency particulate air Filter) high-efficiency air filter. HEPA is a high efficiency particulate air filter.

How to carry out cleaning of air filters? Different types of filters purification class of air purifier cleaning and maintenance methods!

2022-06-29

How to carry out cleaning of air filters? Different types of filters purify the class of air purifier cleaning and maintenance methods! Air filters are clean air, air filters need to be cleaned on a regular basis, here let me introduce you to several types of filter cleaning methods, so that the filter to keep clean. The first category: preheating filter cleaning methods preheating filter generally need to be cleaned 1 to 2 times a month, clean up when you need to remove the existing filter, with a vacuum cleaner or rags to clean up the dust neatly; if you specify that the filter can be washed, then you can use water to wash and brush it cleanly, and then shaking dry or use a hairdryer to dry it before loading it into the air purifier and so on. It can be used normally. The second category: HEPA filter cleaning method HEPA technology filter, if there is no special specific instructions generally can not be washed. Due to the current domestic air pollution is more serious, the air quality is not very good, the service life of the HEPA filter is the longest general...

What are the differences between the different types of air filters on the market? How do I maintain my air filter on a daily basis?

2022-06-29

What are the differences between the different types of air filters on the market? How to maintain air filters on a daily basis? Air filters can effectively filter harmful substances in the air, thus ensuring the cleanliness of indoor air. With the continuous progress of technology, a variety of new types of air filters in the market can afford to give consumers more choices. The following is an explanation of the difference between the different types of air filters are mainly reflected in which aspects: Filtering substances Different types of air filters can filter different pollutants, such as HEPA air filters, the main role is to filter the dust particles in the air with a particle size of 0.3 microns or more, and activated charcoal air filters, the role of the air, it is to absorb odors or volatile harmful Gases. Nowadays, many companies combine different types of air filters in a scientific way, which can further improve the filtration efficiency of the purification system, thus better controlling the indoor air...

How to choose a HEPA filter in an air purifier? How often is it appropriate to change the filter?

2022-06-28

How to choose a HEPA filter in an air purifier? How often is it appropriate to change the filter? Studies have shown that viruses can spread by carriers such as aerosols or particulate matter. Aerosols are gaseous dispersed systems of solid or liquid particles suspended in a gaseous medium, with particle sizes usually ranging from 0.01 to 10 μm. When aerosol concentrations reach sufficiently high levels, they will pose a threat to human health, especially to asthmatics and others with respiratory problems. Airborne aerosols can also spread fungi and viruses, which can lead to epidemics and outbreaks of disease in some areas. While air purifiers can remove aerosols from the air, Academician Nanshan Zhong has also specifically emphasized the importance of dealing with indoor air pollution in previous interviews, stating: "My view is that, if you have the conditions, you can still consider air purifiers." Air purifiers are mainly composed of two parts: the cartridge and the shell, and the basic requirements are high filtration efficiency, flow resistance...

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