shoe design materials

PP filter is made of polypropylene (PP) hot melt method, its micron number from 1um to 300um. The filter element has no inner shaft and adopts the design of inner dense and outer sparse, which can not only maintain stable flow, pressure difference and service life, but also have excellent depth filtration effect and pollutant accumulation. It is a filter element with high efficiency, low pressure difference, long service life and wide applicability. Because the chemical composition of PP is clean, and in line with the food hygiene standards, will not be due to the material and the secondary pollution of the liquid to be filtered, has the characteristics of large flow, high precision, corrosion resistance, high pressure resistance, widely used in PCB, electroplating, pure water, food and drinking water pre-filtration treatment; RO pre-filter processing, etc. PP filter element is made of ultra-fine polypropylene fiber hot melt tangles. Microfiber randomly forms three-dimensional micro...

In the daily use of the core of the east water purifier products lies in the filter core, different levels of filter types and functional characteristics, the replacement cycle of the filter core will be different, so what are the common filter elements of the water purifier? Activated carbon filter (6 months) Activated carbon filter products are mainly divided into two categories, granular activated carbon filter and compressed activated carbon filter two. It is very absorbent to many substances and can change the taste of water. Granular activated carbon filter: can effectively remove the residual chlorine in water, odor, heterochromatic, etc., but also can effectively adsorb some organic macromolecules in water. Simple composition, low cost, but easy to damage carbon leakage, service life and effect is not stable, commonly used as a variety of household water purification equipment diode filtration. Compressed activated carbon filter: can deeply absorb the odor, heterochromic, resi...

The water purifier can purify the water and guarantee the health of the water. Water purifier can purify water because of its filter element, and different filter elements have different effects on water purification. A, water purifier filter element: activated carbon Activated carbon has been used for water treatment since the beginning of the 20th century. It is a carbon with a porous structure. The pores are used to increase the surface area of the activated carbon for absorbing impurities. The physical properties of carbides are closely related to their raw materials and processing processes. At present, common carbon is coal, trees, coconut shells or palm as the main raw materials. Coconut shell sintered carbon has better stability, pore distribution and surface area than other types of activated carbon, which makes it have better performance in water treatment. Activated carbon is on the surface porous tissue adsorption instead of chemical substances, organic pollution sources, ...

With people's attention to the quality of drinking water, water purification system began to enter thousands of households. The filter element of different water purification equipment is different, and the filtration effect is different. Know filter PP fiber filter element Function: The melt-blown filter core is made of polypropylene micro-fiber hot-melt entangle, the fiber randomly forms three-dimensional micro-pore structure in space, and the pore size is gradient distribution along the filtrate flow direction. It integrates surface, deep and fine filtration into one, and can hold back impurities of different particle size, remove suspended matter in water, sediment, rust, etc. The filtration accuracy is 1μm. Application: used for primary filtration of groundwater/surface water, pre-filtration of water purifier, used as the primary filter element of water purification equipment. Activated carbon filter element Function: The main function is adsorption, generally speaking, the la...

The water filter element is used in the filtration system to remove the particles and sundries in the system and ensure the cleanliness of the filtration system. The service life of the water filter element is an important problem in the filtration system, especially in the high pollution working conditions, the failure of the filter element and the resulting failure of the filtration system is particularly prominent. What are the main factors that affect the service life of the water filter element? First, filtration performance of filter element 1. Filtration accuracy: filtration accuracy refers to the filtration capacity of filtration materials for different sizes of particle pollutants. It is generally believed that the filtering accuracy is high and the life of the filter element is short. 2, the amount of pollution The pollution capacity refers to the weight of particle pollution that can be accommodated by the unit area of the filter material when the pressure drop of the fi...

Mention of filters, we are not unfamiliar, if there is no filter in our life and production, then our living environment and health will be greatly affected, it is because of these filters escort our environment will be more beautiful, health will be more secure. Filter element is the core component of filter equipment. Today, I will briefly introduce the steps of filter element cleaning. 1. The pre-processed filter element is put into the baking furnace for curve heating. In order to prevent the phenomenon of flying temperature, the temperature must be recorded every 15 minutes. 2. After the filter element is cooled to room temperature, a 10--15MPa high pressure water gun is used to wash from the outer surface of the filter element, and then reverse rinse from the tube. 3. Use deionized water to prepare 15--20 soda ash solution, the filter element into the solution heated to boiling. 4.Take out the filter element, with 10--15MPa high pressure water gun first from the outer surface of...

The filtration system plays a big role in our life. We need to filter too many impurities. It ensures a greater flow rate per unit area; Smooth external surface, impurities are not easy to stick, backwashing is easy to complete, small outside and large inside the filter precision makes impurities can not be retained in the filter core body, sludge can be pressed to 70% water content. PE filter medium is the core component of microporous filter applied in chemical, pharmaceutical and environmental protection industries. The following is to introduce the performance characteristics of PE filter element? PE filter 1, material performance: PE with UHWM-PE as the main medium has non-toxic, odorless, no foreign body out, physiological safety characteristics, in line with the requirements of GMP. 2, chemical performance: PE filter medium has excellent corrosion resistance, resistance to all kinds of non-strong oxidizing acid, alkali resistance, aldehyde resistance, adiphatic hydrocarbon resi...

Filter s are used in every aspect of our lives, in every field. There are many types of filters, and there are many ways to classify them. Filter is an indispensable device in the transmission medium pipeline, usually installed in the pressure relief valve, pressure relief valve, constant water level valve, the imported end equipment of the square filter and other equipment. It is composed of cylinder, stainless steel filter, sewage part, transmission device and electrical control part. What are the categories of filters? 1. According to the type of filter material, the filter can be divided into: filter element filter, bag filter, softened water filter, activated carbon filter, quartz sand filter, fiber filter, manganese sand filter, in addition to iron and manganese filter; 2. The filter can be divided into: self-cleaning filter, automatic filter, brush filter, elastic filter, etc.; 3. According to the connection mode, the filter can be divided into: security filter, bag filter, mec...

The filter cartridge is made of a certain length of crisp filter material folded into pleats, and the end of the bonding star shaped filter cylinder, filter cylinder without cage bone, easy to install, there are many varieties of filter cylinder, thin and long and thick and short. Long and thin filter cylinder (such as φ≤160, L=1 ~ 2m), the fold (such as 45 fold) between the gap, large Angle, fold less and shallow, filtration area than the same diameter and length of the filter bag 2 ~ 5 times, easy and good ash. The four main features of the dust filter barrel are 1. Greatly improve the filtration area 2, ensure a low and stable pressure difference, improve the flow of air 3. The filter cartridge element is compact and easy to install 4. It is especially suitable for industries with high dust concentration Dust filter cylinder is widely used in cement mill, raw material mill, fuel coal mill, silo, transport with dust point and packaging workshop all over the world. The filter cartrid...

The purified water equipment is used primarily to supply various industries with purified water. It can be used to meet the requirements of hospitals and pharmaceutical factories for large-scale purified water production. To meet water needs, such as infusion preparation and disinfection devices like ultraviolet and ozone sterilization, purified water equipment must be used with caution. To prevent hydrolysis of the reverse-osmosis membrane from deteriorating its performance, it is important to control the pH level of purified water equipment. Also, ensure that the pH remains within the recommended range. Inside.n 2. To prevent the reverse-osmosis equipment's inlet pressure from being too high to reduce salt removal, people need to pay close attention to what happens when it stops. When purifying water equipment, it is important to pay attention the pressure difference between the security filter and the water. Check the security filter for turbidity leakage if the pressure differ...

More people are paying more attention to water quality. Not only do they drink more, but also how healthy it is. The pursuit of quality and health has never been more important. The filter element is the most important factor in water purifiers . You can only drink clean water if the filter element is correct. PP cotton filter element . Raw material: Melt-blown polypropylene with a filtration accuracy between 1 and 5 microns. The function: Filters suspended solids, silt and rust as well as other large particles from the water. Activated carbon filter element. Coconut shell activated carbon is the raw material. Function: Removes chlorine and other odors from the water. It also improves the water's taste. Water filtered with activated carbon tastes sweet and delicious. Nanofiltration filter element. Raw material: A nanofiltration membrane, imported from the United States. It has a filtration accuracy up to 1 nanometer. The function: Removes harmful substances like sand, rust and co...

Water purifiers , like all home appliances, require regular operation and maintenance to maintain normal water quality. These are some things to remember. The water temperature for the water purifier should be 538. Keep your water purifier's temperature at 538, especially in the northern regions. The water source is usually municipal tap water. Install the purifier only if the water source is water from a well or river. The internal parts of the water purifier can be easily damaged by prolonged exposure to high temperatures baking. This could lead to damage to certain functions and rupture of the pipeline or failure of the pressure tank. The water purifier must be installed in a cabinet, or wall-mounted, away from heat sources like gas stoves and high-temperature heat sources. You should not be able to move the water purifier around. During the purification process, you should not attempt to remove any internal parts. The circuit and waterway are connected to some accessories, so d...

Polyamide membranes are now used in water purification equipment . They are not resistant against chlorine and can cause permanent damage under the action metal ions. Tap water, for example, contains metals. If activated carbon is ionic, it can damage membrane elements. A set of residual chlorinometers must be prepared. Calculation and estimation alone are not sufficient. Activated carbon should be tested in the event of its failure. This will prevent premature replacement from spoiling and membrane damage due to late replacement. It is easy and inexpensive to use the colorimeter. It can be used to measure coal washing from 30 kg up to 110 grams. It is important to increase the amount used. The amount of use should be increased from 100 to 300 kilograms. The electroplating wastewater can be either professional or ordinary industrial water. The average amount is not more than fifty kilograms. Pay attention to the service: (The number of applications for these occupations is the number w...

Water purifiers are becoming more popular as the water purification industry grows in popularity. It is recommended that the filter element and water purifier be cleaned at regular intervals in order to preserve the membrane's water permeability. There are two types, chemical and physical, of membrane cleaning methods. However, it is generally recommended that you use physical cleaning methods. The physical cleaning process uses pressure to clean the membrane. During the whole cleaning process, no chemical reaction takes place. The manual scrubbing method is the first. This is a simple but effective method. This method is not suitable for all types of ultrafiltration filter element s, including detachable plates and frames. You can use a soft material (such as a sponge), to gently clean the membrane surface. Rinse off the water with a wet cloth. This can remove large amounts of dirt from the membrane surface. However, this method does not remove finer particles that may be trapp...

The weather has been getting more extreme in recent years. The temperature is rising and severe weather like heavy rains or thunderstorms are also common. Extreme weather can cause power and water outages in some areas. The high-pressure environment and tight seal of pipelines allows air to dissolve in tap water. The water is milky-white because of the tiny bubbles formed when it flows from the faucet. This tap water will clear up after a few minutes and won't affect drinking water hygiene. Pay attention if your tap water turns yellow. Why is tap water turning yellow? Three main causes of yellowing tap water are: The deterioration of water pipesn Many old communities have water pipes that are rusted from lack of maintenance and ageing. Secondary pollution will result from the rust, sediment, and microorganisms found in the water pipes. Secondary water supply pollution in the neighborhood. A reservoir or secondary pressure water supply will be installed at the top of many high-rise ...

1. Introduction As necessary equipment in the chemical industry, an electrolytic cell is often corroded by chemical substances. Over time, the service performance and service life of the electrolytic cells will be affected, especially the problem of production safety. Therefore, it is urgent to take certain anti-corrosion measures to protect the device. Now some enterprises adopt anti-corrosion measures such as rubber, plastic, and vulcanized butyl rubber, but the anti-corrosion effect is not ideal. Most of them have an obvious initial anti-corrosion effect, but the anticorrosion time can only be maintained for 1-2 years, and the later damage effect is serious. From the technical and economic aspects, the glass fiber composite reinforcement is the best choice as the chemical corrosion-resistant material of the anti-corrosion layer of the electrolytic cell. In addition to its excellent mechanical properties, glass fiber composite tendons are also excellent in chemical corrosion resista...

The most likely danger in the electrical industry is electrical leakage. Electrical capacitors are indispensable in the industry, and the cleaning of aluminum foil and working parts requires pure water. If the water contains chloride ions, the capacitor will leakage.The important role of pure water equipment in the electronics industry, mainly in the production of electronic components, has become increasingly prominent. The quality of pure water has become one of the important factors affecting the quality of electronic components, production yields and production costs, and the water quality requirements are getting higher and higher. . In the production of electronic components, high-purity water is mainly used as cleaning water and used to prepare various solutions and slurries. The use of pure water and the requirements for water quality in the production of different electronic components are also different. Application range of pure water equipment\n 1. Preparation of pure water...

The ultrapure water production equipment doesn't produce sewage, just like its name. It is highly valued by businesspeople because of its high quality and continuous production. The principle of ultrapure production equipment. Ultrapure water production equipment works by exchanging hydroxide or hydroxyl ions for unwanted ions. These ions are then transported to the wastewater stream. In the purification chamber, the anion exchange resin produces hydroxide (OH-) in order to get anions from dissolved sodium salts (such as Cl-, chloride). Cation exchange resins also release hydrogen ions, H+, and get cations out of dissolved salts, such as sodium, Na+. The component's anode (+), and cathode - are connected by a direct current (DC). These absorbed ions move along the surface and then through the membrane to the concentrated water chamber. The anode (+ attracts negatively charged anions, such as Cl- and OH-. These ions travel through the anion select membrane to enter the adjacent...

Many people are able to operate and understand water treatment equipment . Some people may wonder what the components of water treatment equipment are. Grid: The grid's primary function is to prevent suspended solids from sewage. This will reduce the water treatment load and preserve the effects of the equipment. There are several types of grilles available: high chain, arm, rope, rotary, and high chain. Air flotation equipment: This is a device that passes tiny bubbles through the sewage to remove fine impurities. Air flotation can be used when the deposition method is inapplicable to separate the specific gravity near water and the suspended solids which are difficult to deposit such as grease, fiber, or algae. Micro-bubbles are introduced to the sewage through the diffuser impeller. They form suspended flocs in the sewage and then float up to form slime. Integrated sewage treatment equipment: This includes a settling and secondary settling tanks, a touch oxidation tank at level ...

Water purifiers , like all home appliances, require regular operation and maintenance to maintain normal water quality. These are some things to remember. The water temperature for the water purifier should be 538. Keep your water purifier's temperature at 538, especially in the northern regions. The water source is usually municipal tap water. Install the purifier only if the water source is water from a well or river. The internal parts of the water purifier can be easily damaged by prolonged exposure to high temperatures baking. This could lead to damage to certain functions and rupture of the pipeline or failure of the pressure tank. The water purifier must be installed in a cabinet, or wall-mounted, away from heat sources like gas stoves and high-temperature heat sources. You should not be able to move the water purifier around. During the purification process, you should not attempt to remove any internal parts. The circuit and waterway are connected to some accessories, so d...

Was the water purifier's filter element replaced on time? The water purifier's filter element is its heart. Water purifiers can quickly remove bad taste from water. The purification function of the water purifier is determined by the filter element. The filter element is a core component of the water purifier. It is essential that we have safe drinking water. The water purifier's filter element acts a little like a disposable battery. If it fails, the remote control will not work. The water purifier will produce less water if the water pressure and water temperature are the same. It is possible that the filter element has become blocked. The water purifier filter element should be replaced when it reaches its end of service. The RO membrane can cause a noticeable rise in water output in reverse osmosis water purifiers. We must replace the RO membrane immediately. Otherwise, the water purifier will lose its filtering function completely. This is because the water purifier...

What is pure water equipment ? Pure water equipment refers to water treatment equipment that uses anion or cation exchange resins in order to replace various nutrientions. There are many configurations of anion exchange resins so different exchange bed compositions can be achieved. Pure water equipment is a water treatment equipment that uses anion and/or cation exchange to replace nutrient ions. It is important to choose the right equipment for your industry's water quality requirements. It is important that the equipment inspection is done before it is used. You must ensure that you repair the equipment promptly if you notice any parts falling off or bolts loosening. You can consult Guangzhou Lvyuan for high-quality filters and housings that are efficient in filtration and separation.

Pasteurization is the most common disinfection method used for purified water equipment .It kills pathogenic microorganisms as well as other growing bacteria. Pasteurization is the process of heating water to a specific temperature and keeping it there for a time to kill any microorganisms. Pasteurization is a process that exploits the heat-labile properties of pathogens and treats them with appropriate temperatures and holding times. However, some beneficial or harmless bacteria, or bacterial spores, are preserved. Pasteurization is not considered a 'sterile' process. Good pretreatment can reduce bacterial endotoxins to 5EU/ml. The pump produces heat and must be cooled. It is necessary to heat and cool the water storage and distribution system. The disinfection time is long. Hot water circulation at 80 degrees Celsius for approximately 1-2 hours is commonly used to pasteurize the system. Guangzhou Lvyuan provides high-quality filter cartridges and housings for efficient filtr...

According to Wikipedia :"A universal testing machine (UTM), also known as a universal tester,[1] materials testing machine or materials test frame, is used to test the tensile strength and compressive strength of materials. An earlier name for a tensile testing machine is a tensometer. The "universal" part of the name reflects that it can perform many standard tensile and compression tests on materials, components, and structures (in other words, that it is versatile)." Gester will introduce the  universal testing machine  in detail(from application, Feature, standards etc) A. Application Univelsal tester is designed for conducting tensile, compression, bending, shearing, bonding strength, peeling, tearing and other tests for shoes, rubber, plastic, leather, metal, nylon line, fabric, paper, aviation, packaging, construction, petrifaction, electrician, vehicle and other materials. It is a basic equipment of quality control, receiving inspection, physical test, mecha...

Application of Bally Leather Flexing Tester Bally Leather Flexing Tester To determine the resistance of a material to cracking or other types of failure at flexing creases. The method is applicable to all flexible materials and in particular leathers, coated fabrics and textiles used in footwear uppers. Bally Resistance Flexing Tester Feature The test specimen is folded in half then one end is secured in a clamp. The test specimen is then turned inside out and the free end secured in a second clamp at 90 degrees to the first. The first clamp is repeatedly oscillated through a fixed angle at a defined rate causing the test specimen to flex. At set intervals the number of flexing cycles is recorded and the damage to the test specimen is visually assessed. The test can be carried out with wet or dry test specimens at ambient. 1. What is Bally Leather Flexing Tester? Bally leather flexing tester is a flexometer to determine resistance of light leathers and their surface finishes to flexin...

The spring and autumn solid color quilt , as the name suggests, is a quilt covered in spring and autumn, which is not too thick but keeps warm. Spring and autumn are a little bit cold in the morning and evening, so the choice of bedding still needs more attention. Choose 1-1.5 kg cotton solid color quilts in the spring and autumn, the weight of the duvet is in principle about half of the solid cotton quilt.   Excessive quilt will compress the chest, resulting in reduced lung capacity, easy to have nightmares, and easy to make the temperature of the solid color quilt exceed 35 ℃, so that the body's metabolism is too high, energy consumption increases, and sweat increases. After waking up, it will feel tired, sleepy, and easy to catch cold.   It is not good to blindly pursue the lightweight solid color quilts. If the quilt is too light, the effect of warmth and heat insulation is not good enough, which may make the sleeping person feel unreliable, feel that they cannot enter dee...

People sleep for one-third of their lives, and if the quality of the solid color quilts used for sleep has quality problems or is not cleaned and maintained regularly, it will affect our sleep quality. At the same time, regular cleaning and maintenance of the lightweight solid color quilts can prolong the service life of the quilt and keep the quilt clean and tidy, which is also good for human health.   The first thing to do when washing the solid color quilts is to determine the material of the quilt. Different materials also have different cleaning methods. If the operation is improper, a solid quilt may be destroyed.   1. Solid cotton quilt: cotton can be dried but not washed. Cotton solid color quilts can neither be washed nor dry-cleaned, because the solid quilt will not only become agglomerated and deteriorated, but also affect the warmth retention of the cotton quilt.   2. Cashmere quilt: can be dry cleaned but not washed. If you are stained with dirt, you must c...