Using only low-efficiency air filters, the air conditioning system has many problems: Airway obstruction, fan fouling, so that the amount of air to reduce; Many central air conditioners, after one or two years of use, have noticeably deteriorated performance and turned on air conditioners. The crux of the problem is clear at a glance. The phenomenon: dust; its roots: filter efficiency is low. The economic loss caused by the drop in air conditioning performance caused by dust accumulation is far greater than the cost of using a good filter; The loss of the owner of a domestic star hotel, there is no filter section in the central air conditioning design. Before the building was put into use, the air outlets had black stains, and the owner asked people to add a "middle effect" filter section temporarily in the air conditioner. After the hotel was opened for more than a year, the performance of the air-conditioning system plummeted. When the air-conditioner was switched on, the surface cooler was blocked, the pipes were fouled, and the fan was fouled. The owner was determined to rebuild the air conditioning system, and the cost of the renovation was a hundredfold higher than the cost of using the filter when it was first built. The unlucky contractor in Paris, an office building built in the 1990s, uses an air conditioning system with a dynamic end air supply. The contractor installed an inefficient filter in the air conditioner, which saved 200,000 francs. A year after the building was opened, many end devices failed. The contractor had to ask the person to clean the entire air-conditioning system and the cleaning fee was 6 million francs. The central air conditioner itself needs a good filter to protect it. The company's production equipment includes: MINI-PLEAT filter production equipment, aluminum diaphragm filter production equipment, clean room gluing equipment, the United States imported MetOne test equipment. The company's business scope includes: clean room early, medium and high efficiency filter, FFU fan filter unit (Japanese-owned motor production company), supporting Ceiling Grid, dust-free clean room engineering design and construction, no Dust chamber accessories (air shower, transfer box, clean screen, CLEAN UNIT, pressure balancer, clean hands dryer, clean room clean bench, foot sticky pad) and other consumables. The long-life, low-energy filter developed by us can provide customers with a 40% energy saving effect, and can reduce the customer's frequency of product replacement to reduce the customer's operating costs. Kraft paper bags are favored by everyone because of their environmental protection characteristics, especially in almost all European countries using kraft paper bags, so there are several ways of kraft paper bags.
4. No matter what kind of kraft paper bag above, if the quantity is not large enough, it is generally made by hand, because the loss of machine-made kraft paper bag is large, and there is no way to solve the practice of small quantity of kraft paper bag.
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The air-conditioning system itself needs a good air filter. Air-conditioning designers have been selecting filters according to the needs of users for many years. Nowadays, people realize that the central air-conditioning itself must also have good filters to protect it.
Reduced efficiency of heat exchange components;
Temperature and humidity and other measurement and control elements fail;
The dynamic end air supply device fails;
The total heat exchange device fails;
The moderate temperature and humidity in the pipeline is the ideal place for microbial reproduction.
In developed countries, when the filter with the efficiency specification F5 is used (colorimetric method 45%, European old model EU5, Chinese specification “middle effectâ€), the central air-conditioning system needs to be cleaned once every 5 to 8 years; use the F7 efficiency filter ( 45%, EU5, high-efficiency) central air-conditioners do not need to be cleaned after more than 30 years. In China's existing comfort air conditioners, filters are often "coarse", and some do not even have filter sections. After a few years of use, the inside of the system is unattractive.
The economic losses caused by the accumulation of ash and shortened life of the air conditioner are greater than the cost of using a good air filter;
Cleaning costs (you will find air conditioning needs cleaning) will also be higher than the cost of using a good air filter.
In development, the cost of cleaning the air-conditioning system is 20 times the difference between good and bad filters. In China, companies that temporarily lack cleaning air-conditioning systems will find that after several years, how expensive it is to clean air-conditioning.
For a good air conditioning system, the filter efficiency specification should not be lower than F6-F7.
Inefficient filters will cost users and contractors an expensive price.
Dongguan Hongyuan Purifying Equipment Co., Ltd. specializes in high-tech innovative enterprises in micro-dust, micro-organism, and fouling control in environmental systems! Is a professional manufacturer of air filter manufacturers. Major production: various coarse, medium and high efficiency air filters, filter (HEPA, ULPA) products have been widely used: commercial environment, precision manufacturing, spraying plant, nuclear power, operating room, pharmaceutical factory, food factory, semiconductor factory, Optical power plants and other places that require various levels of air purification! The products are mainly used in air purifiers, pre-filtration of various air conditioning equipment, automotive air conditioning filters and other civilian equipment, the main products are various small initial filter, medium efficiency filter, high efficiency filter (HEPA), ultra-efficient filtration Equipment, activated carbon filters, photocatalyst filters and other high-tech products.
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1. Small white kraft paper bags. Generally, this kind of bag is large in quantity and widely used. Because many businesses require this kind of kraft paper bag to be cheap and durable, usually the method of this kind of kraft paper bag is machine-shaped and machine-sticked. machine operated.
2. The practice of medium-sized kraft paper bags. Usually, medium-sized kraft paper bags are made of kraft paper bags that are machined and synthesized and then manually pasted with ropes. Because domestic kraft paper bag forming equipment is limited by the molding size, and kraft paper bags The rope sticking machine can only stick the rope of the smaller tote bag, so the practice of the kraft paper bag is limited by the machine. Many bags cannot be produced by the machine alone.
3. Large bags, reverse kraft paper bags, thicker yellow kraft paper bags, these kraft paper bags should be made by hand. There is no machine in China that can solve these kraft paper bags, so they can only be made by hand. The production cost of kraft paper bags is high, and the quantity is not large.
