The fresh-keeping performance and service life of Top Open Door Freezer are directly related to daily cleaning. Regular cleaning of the parts of the top open door freezer can prolong the service life... moreThe fresh-keeping performance and service life of Top Open Door Freezer are directly related to daily cleaning. Regular cleaning of the parts of the top open door freezer can prolong the service life and reduce the use and maintenance costs.
1. Appearance parts
Wipe water stains, dust, stains, rust, tape marks, etc. with a soft cloth dipped in water. Serious cleaning with neutral detergent. However, detergent is easy to leave yellow stains, which need to be wiped clean with water. Wipe around salty food at any time.
2. Shelving of goods
Clean up scattered food debris and other sundries in time, wipe water stains and stains with soft cloth dipped in water, and pay attention to cleaning every corner to prevent bacteria from breeding.
3. Glass
Dip warm water with a lint-free soft cloth, and then wipe it clean with a dry towel. Use glass cleaner if necessary. Do not touch hot water on the main glass surface, otherwise it will cause glass breakage and personal injury.
4. All accessories at surface level
Clean up the ice, food scraps and other sundries in the top open door freezer, and wipe the water stains, stains and rust with a soft cloth dipped in water. Scrub the inner surface and accessories with neutral detergent or cleaning solution that does not harm the surface or pollute the food, and then wipe them clean with water.
In the process of designing shrink sleeve labels, attention should be paid to the aesthetic feeling of color level and the aesthetic characteristics of being near reality and far away from illusion.... moreIn the process of designing shrink sleeve labels, attention should be paid to the aesthetic feeling of color level and the aesthetic characteristics of being near reality and far away from illusion. According to the special visual effect of CMYK color on various materials, appropriate dot compensation and adjustment should be given to ensure that the design color of shrink sleeve labels is full and make up for product defects caused in the printing process.
Generally, when the compressor of the Top Open Door Freezer https://www.chinafreezers.com/product/chest-freezer/ works, the compressor will make a slight buzzing sound due to vibration. When the... moreGenerally, when the compressor of the Top Open Door Freezer https://www.chinafreezers.com/product/chest-freezer/ works, the compressor will make a slight buzzing sound due to vibration. When the temperature reaches -7℃, the bimetallic strip is turned on. If the freezer clock is just in the defrosting state at this time, the defrosting heating pipe heats up and the compressor stops working, then the freezer has no sound at all. Moreover, when the compressor of the air-cooled freezer works, the small fan in the quick-freezing chamber also has slight wind.
Unbalanced placement can also cause a slight noise. In general, if it is not too noisy at night, there is no need to repair it, and there is nothing to repair except to change the compressor. In fact, as long as it can refrigerate, there is no need to change the compressor. In addition, remind: the top open door freezer should not be powered on immediately after the power is cut off, and it should not be powered on until at least 10~20 minutes later, so as not to damage the compressor due to excessive current accumulation and failure to start. When the voltage is too low, the power shall be cut off immediately below 180v to prevent the compressor from being burnt down in low-pressure work. Do not stop the machine for too long for more than a few months, so as not to break through the heat dissipation network, condenser and other pipelines due to excessive air pressure, causing refrigerant loss and unable to refrigerate. The quick-freezing room is not cold due to freezing. Sharp tools cannot be used to cut ice. Hot water or hair dryer should be used to remove ice.
Ningbo Bailing Refrigeration Technology Co., Ltd is located in the well renowned city of Cixi at the staring point of the Hangzhou Bay Cross-sea Bridge. The local industrial area has eagerly earned its fabulous reputation and has such been nicknamed "The Kingdom of electrical appliances". For more product details, please click on our official website: https://www.chinafreezers.com/less
When measuring the length of the roller chain, try to choose to operate under a certain degree of pulling tension on the roller chain in order to remove the play existing in the whole chain. In order to reduce the occurrence of errors, the measurement position is also very critical, and it is better to measure at 6~10 sections of the chain. In this way, the inner and outer dimensions between the rollers measuring the number of knots are the basis for the final subsequent calculation.
However, there is a corresponding formula for the calculation of roller chain elongation length, which is taken as the standard for calculation, and the obtained value is compared with the use limit value of chain elongation in the preceding paragraph. The above is about the elongation measurement of roller chain, which can only be applied in batch after practice.
As we all know, the reverse osmosis water purifier is currently the most accurate water purifier on the market. In order to better purify the water quality, the reverse osmosis water purifier will... moreAs we all know, the reverse osmosis water purifier is currently the most accurate water purifier on the market. In order to better purify the water quality, the reverse osmosis water purifier will connect a waste water pipe when working, which is specially used to discharge wastewater. What is this wastewater? The following Reverse Osmosis Systems Manufacturer https://www.kokoelectric.com/product/reverse-osmosis-systems/ will introduce it to you.
On the one hand, the generation of wastewater is determined by the working principle of reverse osmosis water purifier. The working process of the reverse osmosis membrane is actually a process of liquid concentration: when tap water is filtered through the reverse osmosis membrane, the salt content and osmotic pressure in the water continuously increase. when the osmotic pressure increases to the pressure of the booster pump, the water cannot pass through the reverse osmosis membrane.
The main components of wastewater are bacteria, viruses, organic matters, heavy metal ions and other harmful impurities intercepted by RO reverse osmosis membrane. This part of "concentrated water" with a high content of organic matters, metal ions, etc. will be discharged to form "waste water".
On the other hand, the water purifier will also produce waste water when automatically flushing the filter element. After RO reverse osmosis membrane works for a period of time, water molecules flow out from one side under the action of pressure to become pure direct drinking water, while the remaining "garbage" in the water is intercepted by RO membrane. When they accumulate to a certain extent, they will cause RO membrane blockage and affect the service life.
In order to avoid this situation, the water purifier will flush the RO membrane through automatic backwashing technology, and timely discharge the trapped substances in the membrane. This part of the water flushing the filter element will also be discharged with the waste water.
Therefore, the wastewater produced by the reverse osmosis water purifier is to ensure clean and safe water quality and to prolong the service life of the reverse osmosis filter element.
Water Filter Cartridges(KOKOELECTRIC) https://www.kokoelectric.com/product/water-filter-cartridges/ for water purification products have different filtration effects and effects on water quality... moreWater Filter Cartridges(KOKOELECTRIC) https://www.kokoelectric.com/product/water-filter-cartridges/ for water purification products have different filtration effects and effects on water quality depending on the raw materials used. The common ones are mainly material barrier filtration and adsorption functions, such as PPcotton water filtration cartridges and activated carbon water filtration cartridges. With the extension of service time, impurities in the water will block the water filter cartridge and the activated carbon water filter cartridge will be saturated with adsorption. Generally speaking, PP water filter cartridge needs to be replaced in 3 months and activated carbon water filter cartridge needs to be replaced in 6 months. Neither of these two kinds of water filter cartridges can effectively remove bacteria and organic pollutants. Saturation failure is not easy to find.
Hollow fibres and nanoceramics are all filtered by pure physical barrier. Their filtration accuracy can reach 0.1-0.01um, which can effectively filter out bacteria and harmful substances. The water filtered by the purified water products using the two water filter cartridges can be directly drunk. Hollow fibres are usually placed at the back end of PP cotton and activated carbon for use because they cannot be cleaned, otherwise, they are easy to be blocked and need to be replaced for 1-2 years when used as the end sterilization of water purification equipment.
Nano-ceramics are sintered from natural diatomite, which has better filtering effect and 100% removal of bacteria and impurities. When there are too many impurities, the water outlet flow of the water filter cartridge will be reduced, which is convenient to control the cleaning time. Due to the high strength of the water filter cartridge, it can be repeatedly scrubbed for 50-100 times, and the filtering effect of the water filter cartridge can be seen every time it is cleaned. It is the direct drinking water purification product water filter cartridge with the best and safest effect and the longest use time at present.
Water purifier is a good product, which can save a lot of living costs and improve the quality of our water. Moreover, the water purifier market has great development potential.
With the increase in water pollution in China, the safety of domestic drinking water has received extensive public attention. Installing a household water purifier is an effective way to ensure the... moreWith the increase in water pollution in China, the safety of domestic drinking water has received extensive public attention. Installing a household water purifier is an effective way to ensure the cleanliness of drinking water, so water purifier has gradually become a hot topic for families to buy. However, the current hot water purifier market is full of mixed phenomena. Consumers must keep their eyes open if they want to buy qualified water purifier products. Today, the Reverse Osmosis Systems Manufacturer(KOKOELECTRIC) https://www.kokoelectric.com/product/reverse-osmosis-systems/ will tell you two major misconceptions about domestic water purifier.
First, not all the water filtered by the household water purifier can be drunk directly.
Some consumers think that the water purified by the household water purifier can be drunk directly. This idea is wrong. Household water purifiers are also divided into ultrafiltration, microfiltration and reverse osmosis. Microfiltration can only effectively intercept a large number of harmful substances in tap water, such as sediment, rust, colloid, suspended solids and impurities, and the purified water cannot meet the direct drinking standard. Therefore, not all household water purifiers can be directly drunk.
Second, domestic water purifiers cannot ignore the service life of filter elements.
Users who are not familiar with the water purifier often do not know how to maintain the water purifier, especially the life and replacement of the filter element. In fact, the filter element is the core component of the water purifier, which can block pollutants and has a certain service life. The general water purifier has the function of reminding the filter replacement. The filter element must be replaced when the water purifier reminds the replacement or completes the rated total purified water quantity in 2 to 3 years. If the filter element is not replaced in time, the household water purifier will not be able to obtain the proper water purification effect.
Many consumers are not very familiar with how to maintain the fittings of the water purifier when using the water purifier, thus causing quality problems of the water purifier. For Water Purifier... moreMany consumers are not very familiar with how to maintain the fittings of the water purifier when using the water purifier, thus causing quality problems of the water purifier. For Water Purifier Spare Parts(KOKOELECTRIC) https://www.kokoelectric.com/ , it also needs to be protected so that you can use it safely.
Water purifier spare parts maintenance, there are a lot of exquisite:
1. Avoid direct sunlight
No matter what kind of water purification equipment, attention should be paid to avoid direct sunlight, because sunlight can breed blue algae, so the water purifier should be properly protected. If it is to be placed on the balcony or in a place where direct sunlight is likely to reach during installation, it is recommended to build a sunshade cover and baffle near the water purifier, which will have the effect of preventing algae.
2. Avoid heat sources
If it is too close to the water heater, long-term baking will affect the service life of plastic parts. After installation, the original users of bottled water made their own bottled water, thus drinking water is safer, more convenient and cheaper. However, it should be noted here that the bucket should be cleaned with the first effluent before making water.
3. The correct use of water purifier spare parts
In addition, while using the water purifier, there are still some methods and techniques. Generally, when cleaning the filter element, the filter element is taken out and cleaned, and then installed according to the original position. In addition, the installation process is very simple and quick and does not require any professional technology, so that when you use or clean, you do not have to worry about much trouble. When you really operate, it is really simple.
The later maintenance of Water Filter Spare Parts(KOKOELECTRIC) https://www.kokoelectric.com/
is very important. Although some brand manufacturers have good after-sales service, we still need to... moreThe later maintenance of Water Filter Spare Parts(KOKOELECTRIC) https://www.kokoelectric.com/
is very important. Although some brand manufacturers have good after-sales service, we still need to know some basic knowledge, such as the filter element can be completely replaced by ourselves.
1. The effluent has a peculiar smell. How should we judge what went wrong?
(1) We first need to consider whether the water filter has been stopped for a long time. When the water filter is stopped for a period of time, it must be cleaned repeatedly before reuse to eliminate the residual stagnant water in the water filter. If it is not used for a long time, the trapped substance will form dirt in the filter element, affecting the purified water quality and taste.
(2) When the water filter is just installed, there is a peculiar smell, which is mostly caused by the protection liquid in the filter element of the water filter is not completely flushed. At this time, open the drain outlet, then open the faucet and let it wash for about 10 minutes. Is it very simple?
(3) If it is a pure water machine, check the filtering effect of the RO membrane. First of all, see whether the pure water and wastewater ends are cut off or cracked and whether one end of the rubber band is of appropriate size or whether the post-activated carbon function is effective. Secondly, the most important thing is to replace the filter element regularly.
2. What is the reason why the machine does not work
(1) First check whether there is a power failure, whether the plug is firmly inserted and whether the power is normally supplied.
(2) Check whether the low-voltage switch wiring plug falls off or fails to cause the power contact to fail to return. The problem can be solved by replacing the low-voltage switch.
(3) Check whether the connecting wire of each connecting terminal falls off. If it falls off, just reconnect the connection.
(4) Check whether the tap water pressure is too low to cause the low-voltage switch not to work.
3. The water outlet of the water filter is turbid.
(1) Consideration should be given to whether the ultrafiltration membrane rupture is caused by excessive pressure or fluctuation in the water inlet. If it does break, a new ultrafiltration membrane filter core must be replaced.
(2) Check whether the O-ring above the filter element is worn to cause water leakage. If the ring is worn, we need to replace it with a new one.
(3) The water filter will cause secondary pollution if it is used for too long or not cleaned for a long time.
These basic troubleshooting methods are very simple, and every household that buys a water filter needs to know. Knowing these basic faults, I can repair them myself.
Reverse osmosis system spare parts require regular cleaning and maintenance. The following are recommendations from the Reverse Osmosis Systems Manufacturer(KOKOELECTRIC) ... moreReverse osmosis system spare parts require regular cleaning and maintenance. The following are recommendations from the Reverse Osmosis Systems Manufacturer(KOKOELECTRIC) https://www.kokoelectric.com/product/reverse-osmosis-systems/
.
1. Add enzyme detergent, treat the membrane with enzyme detergent, it is especially effective for organic pollution, especially for organic matter such as protein and oil. If it is better at 50°C-60°C, it is generally running 10 After a day or a half month, the membrane was washed once with a 1% enzymatic detergent at low pressure. Because of the lower concentration of the enzyme-added detergent used, the impregnation time was required to be longer.
2. For citric acid solution, the membrane is continuously or cyclically rinsed with a 1%-2% aqueous citric acid solution under high pressure or low pressure. This method has a good cleaning effect on Fe(OH)3 pollution.
3. Concentrated salt water, it is effective to clean the membrane with serious limb pollution by concentrated brine. This is because the high concentration of saltwater can weaken the interaction between the colloids and promote the condensation of colloids to form micelles.
4. An aqueous solution of hydrogen peroxide, for example, 0.5 L, 30% H2O2 diluted with 12 L of deionized water, and then the surface of the membrane is cleaned, which is particularly effective for organic contamination.
5. Water-soluble emulsion, which is very effective for cleaning membranes contaminated with oil and iron oxide. It is generally cleaned for 30-60 minutes.
6. The simplest physical cleaning method is to use a low pressure and high flow rate membrane to wash through the water for 30 minutes, which can restore the membrane's water permeability to a certain extent, but the time is long, the water permeability is still reduced, and water and water can be used. The air mixed fluid rinses the surface of the film at a low pressure for 15 minutes, and it is effective to clean the film contaminated with the organic matter in the initial stage by this method.
It is easy to pollute water sources, but not easy to control water pollution. For many years, people have been fighting against water pollution, but water pollution still permeates into the safety... moreIt is easy to pollute water sources, but not easy to control water pollution. For many years, people have been fighting against water pollution, but water pollution still permeates into the safety loopholes of domestic water. In order to protect people's daily water safety, RO membrane began to be converted to civilian use. So, how does RO membrane filter impurities and purify domestic water? Reverse Osmosis Systems Supplier(KOKOELECTRIC) https://www.kokoelectric.com/product/reverse-osmosis-systems/
will explain to you.
RO membrane is a product created by people using wisdom after observing nature carefully. If dilute solution and concentrated solution are poured on both sides of a U-shaped tube and a semi-permeable membrane is placed in the middle, the dilute solution will flow to the concentrated solution side due to natural action. After stabilization, there will be a height difference between the two sides. This process is called infiltration. The pressure difference between the two sides is osmotic pressure.
Reverse osmosis process is to apply a pressure greater than the osmotic pressure on the concentrated solution side so that the concentrated solution can flow to the dilute solution side through the semi-permeable membrane. In this process, the solute in the concentrated solution will be blocked by the semi-permeable membrane on the concentrated water side. In RO membrane water purifier, semi-permeable membrane is RO membrane. Because the filtration accuracy of RO membrane reaches 0.0001 micron, it can filter silt, rust, suspended matter, colloid, bacteria, virus, metal ions, etc. in water, with good filtration effect and high effluent quality, which can be directly drunk.
Knowing the working principle of RO membrane, consumers can also conclude that to judge whether RO membrane is good or not, two factors can be understood, one is the size of membrane pores, the other is the size of membrane operating pressure.
In recent years, many households have used household water purifiers to purify drinking water, while home RO membranes play a huge role in household water purifiers. In order to make the water... moreIn recent years, many households have used household water purifiers to purify drinking water, while home RO membranes play a huge role in household water purifiers. In order to make the water quality clearer, let the role of the home RO membrane play a better effect, what should be paid attention to during the usual use? The Reverse Osmosis Systems Supplier(KOKOELECTRIC) https://www.kokoelectric.com/product/reverse-osmosis-systems/
tells you that there are three major precautions for the operation of RO membranes at home:
1. Pay attention to controlling the pH of the influent
Since the hydrolysis of the cellulose acetate membrane of the household RO membrane is liable to cause deterioration of the performance of the reverse osmosis apparatus, the pH of the water must be strictly controlled, and the pH of the influent water must be maintained within the prescribed range.
2. Pay attention to controlling the influent flow
Excessive influent flow will cause the household RO membrane module to deteriorate prematurely, so the influent flow rate cannot exceed the design standard value. In addition, the flow rate of concentrated water should be avoided as much as possible below the design standard value. When the concentrated water flow rate is too small, the non-uniform flow in the pressure vessel of the reverse osmosis device will occur, that is, the fouling will be deposited on the membrane module due to excessive concentration. .
3. Strengthen booster pump maintenance
The study found that if the booster pump of the reverse osmosis water purifier is suddenly interrupted, even if it only appears for a short time, it may cause damage to the whole water purifier. Therefore, it is necessary to strengthen maintenance and management to ensure the normal operation of the booster pump. There is also a suitable margin for the reverse osmosis inlet pressure of the household RO membrane, otherwise the salt rejection will be reduced due to the lack of proper pressure.
Reverse osmosis, also known as "RO", is a water treatment technology used since the 1950s to produce high quality drinking water that contains virtually no health or aesthetic contaminants. It is... moreReverse osmosis, also known as "RO", is a water treatment technology used since the 1950s to produce high quality drinking water that contains virtually no health or aesthetic contaminants. It is commonly used to treat water supplies with high dissolved solids content (TDS), such as brackish water, salt water or sea water.
The Reverse Osmosis Systems Manufacturer(KOKOELECTRIC) https://www.kokoelectric.com/product/reverse-osmosis-systems/
uses a point RO system that works by forcing pressurized water molecules through a semi-permeable membrane that acts like a filter, leaving larger suspended particles and most dissolved material. The RO system effectively removes excess salts and other dissolved minerals, taste and odor, heavy metals, microorganisms, nitrates and pesticides.
The most important thing about RO and filtration is that RO removes minerals and fluoride from drinking water and does not filter. This means that important minerals such as calcium and magnesium required for your bones and teeth are removed.
The RO system (reverse osmosis filtration system) is used by many households due to its good water filtration effect. There are many water filters in the RO system. Can these cartridges of the RO... moreThe RO system (reverse osmosis filtration system) is used by many households due to its good water filtration effect. There are many water filters in the RO system. Can these cartridges of the RO system be used permanently or need to be replaced regularly? The Reverse Osmosis Systems Manufacturer(KOKOELECTRIC) https://www.kokoelectric.com/product/reverse-osmosis-systems/
tells you if the cartridge needs to be replaced.
In fact, the internal water filter needs to be replaced regularly, both in the RO system's filter element and in other water filtration systems. This is because the filter is a consumable, and as the usage time increases, the water filter effect will become worse and worse. More importantly, the filter used for a long time is easy to breed bacteria, which will not only produce water filtration, but also cause secondary pollution of water.
The time period during which different RO system boxes need to be replaced is also different. There are 4-6 filter cartridges in the RO system, and these filter cartridges change in time. For example, PP10 (one of the filter cartridges): mainly used to remove large particle impurities such as sediment and rust in water. The pre-activated carbon filter is mainly used to absorb the color, odor and residual chlorine in the water. They can only be used for 3-6 months.
The RO system is a commonly used home filtration system. When using, you must pay attention to the replacement of the water filter so that we always drink clean and healthy water.
Rolls-Royce Motor Cars Limited is a British luxury automobile maker. A wholly owned subsidiary of German group BMW, it was established in 1998 after BMW was licensed the rights to the Rolls-Royce... moreRolls-Royce Motor Cars Limited is a British luxury automobile maker. A wholly owned subsidiary of German group BMW, it was established in 1998 after BMW was licensed the rights to the Rolls-Royce brand name and logo from Rolls-Royce plc and acquired the rights to the Spirit of Ecstasy and Rolls-Royce grill shape trademarks from Volkswagen AG.
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Royal Enfield is an Indian motorcycle manufacturing brand with the tag of "the oldest global motorcycle brand in continuous production" manufactured in factories in Chennai in India.