Manufacturing process of porous ceramic filter related questions

Asked by
Manufacturing process of porous ceramic filter0adtech122022-06-23 01:43:42
porous ceramic filter can achieve a larger internal surface area and enhance the effect of deep bed filtration. By reducing the pore size of the filter, the filtration efficiency of molten aluminium can be easily increased, thereby increasing the internal surface area. The mesh structure of the ceramic foam filter allows a high internal surface area and enhanced deep bed filtration. By reducing the pore size of the filter, thereby increasing the internal surface area, it is easy to improve the filtration efficiency. Filter cake filtering mainly occurs when the previously captured inclusions prohibit the remaining inclusions from entering the filter structure. Filter cake filtration needs to contain inclusions that can effectively block the inlet of the filter material. Strainers and ceramic foam can be used as cake filters with many inclusions. porous ceramic filter provides several key benefits to improve the quality of high-quality aluminum castings. These include *Improve mechanical properties. *Reduce signs of dye penetration. Non-metallic X-ray evidence has decreased. *Reduce rework/waste. *Improve processing performance. The existence of non-metallic inclusions is not conducive to the production of high-quality castings. The achievable mechanical properties are a key aspect and it is easy to lose the presence of inclusions and scale. The mechanical properties of high-strength aluminum alloys are very sensitive to nicks or defects in the casting. Filtration effectively reduces the level of inclusions and the subsequent notch effect caused by inclusions. Traditional techniques for removing inclusions are ineffective, and the use of metal or fiber barriers is not enough to keep metals away from harmful non-metals. High-quality castings often limit the acceptability of surface defects found in dye penetrant inspection. Studies have shown that the level of such defects is reduced when ceramic foam filtration is involved. It has been noted that the indications are significantly reduced or completely eliminated. Another benefit of using porous ceramic filter is that it reduces non-metallic x-ray evidence. In these cases, the presence of x-ray defects is often the basis for rejecting expensive castings. The most important benefit is the reduction of defects visible in areas designated as “structural critical”. Installing porous ceramic filter on the running system can protect aluminum castings from harmful non-metallic materials. Although implemented only by aluminum foundries since the late 1970s, ceramic foam filters are increasingly used to prevent non-metallic materials from entering the cavity, which has led to the demand for high-quality castings in the market today. The ceramic foam filter was originally developed for the production of forged aluminum alloys. These forged aluminum alloys are used in strict product applications (such as aluminum cans and lid materials, aluminum foil, aircraft extrusions, memory disks, forging materials and metal wires). ) Very high cleanliness is required. The first application in the foundry industry was high-quality aluminum castings for aerospace applications. Since then, it has expanded into commercial casting and automotive applications.  
Manufacturing process of porous ceramic filter0adtech122022-06-24 00:40:49
Filtration of melts has now become an integral part of the technological process of melting and casting aluminum alloys at all enterprises. Apply mesh, granular and porous ceramic filters. Strainers are made of fiberglass or metal mesh with mesh sizes from 0.5 × 0.5 mm to 1.5 × 1.5 mm. porous ceramic filter separates those inclusions that are larger than the mesh cell. Their use allows 1.5 – 2 times to reduce the content of large inclusions and films. But they do not affect the content of fine inclusions and hydrogen. Usually, Zro2 Porous Ceramic Filter is installed on the form connector under the riser. Granular filters are much more effective. They are obtained from crumbs of fireclay, magnesite, Sunday, silica, alloys of chloride and fluoride salts (refining fluxes), and other materials. The completeness of the removal of suspended non-metallic inclusions depends on the nature of the filter material, and the diameter and length of the intergranular channels. Cleaning is due to mechanical and adhesive processes. porous ceramic filter from crushed remelted fluxes are called active. Due to the adhesion processes, they allow separating up to 40% of finely dispersed suspensions and lowering the hydrogen content in alloys that have undergone refining by 10–20%. Granular filters, as well as strainers, are installed in the path of metal poured into the mold. The average grain size of the filter material is from 4 to 15 mm across, and the layer height is 100 – 150 mm. They have granular filters in the dispensing crucible, in the riser or in the sprue bowl. The filling is carried out in such a way that the filter is closed with a melt layer of 10 – 15 mm. Granular filters are recommended to be heated to 700 – 720 ° C. This allows you to remove adsorbed moisture and prevent the freezing of metal in thin channels. A significant effect on the completeness of separation of inclusions and captivity is exerted by the melt flow rate through the intergrain channels of the filters. At high flow rates, the possibility of precipitation of inclusions decreases, and the probability of washing away already settled particles increases. Bulk granular filters do not always ensure the stability of the melt cleaning process. With a random arrangement between large grains, large cross-section channels can form. These shortcomings are deprived of modern bulk porous ceramic filters of any shape with any given channel cross-section. They are made from Al2O3, SiO2, ZrO2, and other materials. Ceramic Filters can be delivered in the form of large blocks or shaped products of any shape according to customer requirements  
Process flow of porous ceramic filter02022-07-17 20:00:55
porous ceramic filter meets high-quality standards and provides outstanding homogeneity. They are available in numerous pore sizes and are used in ceramic filters for all common metals, such as iron, stainless steel, and aluminum. In our role as a leading manufacturer of porous ceramic filter we have a deep understanding of our customers’ needs as well as industrial requirements. With the highest quality standards, we ensure the extraordinary homogeneity of our filter foams and thus achieve maximum effectiveness for the final product. All of our products feature an exceptionally homogeneous foam structure and offer solid wetting and recovery properties. the porous ceramic filter effectively removes solid inclusions from molten metal, so aluminum alloy can be smoothly forged, aluminum foil and extrusion processes to obtain a perfect aluminum product. The product has a range of 20 PPI coarse pores to a very fine pore size of 60 PPI, so there will always be a product standard that suits your requirements. Both the normal size and the special size required by the customer can meet the requirements. Various Pore Sizes – For All Applications We offer one of the broadest portfolios of PUR foams on the market and produce polyurethane foams in various pore sizes. Our pore sizes from 20 to 70 PPI allow our customers to produce porous ceramic filter for all common metals and alloys, including iron, stainless steel, and aluminum. Various Pore Sizes – For All Applications We offer one of the broadest portfolios of PUR foams on the market and produce polyurethane foams in various pore sizes. porous ceramic filter pore sizes from 20 to 70 PPI allow our customers to produce ceramic filters for all common metals and alloys, including iron, stainless steel, and aluminum. Tightest Tolerances – For Absolute Reliability We set the smallest tolerances for the pore sizes to ensure the reliability of the final product. When you rely on our foams for porous ceramic filter, you benefit from excellent wettability and adhesion, optimized geometric stability, and outstanding recovery after impregnation. porous ceramic filter Porosity Porosity is the percentage of the total volume of the cavities in the filter plate product to the total volume. Porosity determines the filtration capacity of the foam ceramic filter plate per unit volume. The larger the porosity, the larger the filtration flow rate of the filter plate and the stronger the filtration capacity.  
Ceramic filter out manufacturing facility produces ceramic foam filter out02022-06-23 01:44:20
Ceramic filter out manufacturing facility produces ceramic foam filter out, which is used to clear out solid impurities contained in molten aluminum. The removal of entrained solids from the liquid is accomplished with the aid of passing the stable-weighted down aluminum liquid through a porous clear-out medium that does not skip thru the solids. Molten aluminum commonly includes entrained solids, which might be harmful to the final cast steel product. those entrained solids normally have the subsequent assets. some are alumina particles, the floating oxide layer on the floor sucks them into the liquid flow. a number of the entrained debris are fragments from the furnace lining, conveying trough, and different elements of the molten aluminum processing equipment, that are eroded and entrained within the furnace. inside the flowing aluminum move, a few debris are precipitates of insoluble impurities, along with intermetallic compounds, borides, carbides, or different aluminum compounds (which include chlorides). whilst these impurities appear inside the very last solid product after the molten aluminum has solidified, they can reason the ductility of the very last product to lower or the completing traits of the very last product to be negative. Ceramic filter manufacturers e-mail:[email protected] The ceramic foam filter out factory impregnates the foam cloth with the foam cloth to coat the mesh with it and essentially fills the voids with it. The impregnated cloth is then compressed to discharge about 80% of the slurry, and the balance is lightly allotted all through the froth cloth, preferably, so that some holes are blocked in a uniformly allotted manner to boom the degree of tortuosity. The compression is released in order that the net remains included through the slurry and the fabric is dried. The dried material is then heated to burn out the flexible natural foam first, and then the ceramic coating is sintered to provide molten ceramic foam filters with a plurality of interconnected voids surrounded via a bonded or fused ceramic mesh constructed by using the bendy foam. 
Ceramic Filter Plate is a new type of porous ceramic materia02022-03-14 23:29:18
Porous Ceramic Filter Plate is a new type of porous ceramic material with a porosity of 80%-90% and a three-dimensional network skeleton structure and through-holes. It has many advantages such as stable chemical properties, high strength, high temperature resistance, good thermal shock resistance and large specific surface area. The organic foam impregnation method is the most common process for preparing porous ceramics at present, because it can prepare a porous ceramic with uniform pore distribution, high porosity, and a three-dimensional network structure. Porous Ceramic Filter Plate uses a foam impregnation process to prepare high porosity, high strength alumina porous ceramics. Scanning electron microscopy (SEM) results show that the pretreatment method of the foam and the firing temperature have an effect on the performance of the porous ceramic. Polyurethane foam is used as the forming skeleton, and the pretreatment process of alcohol soaking and water washing is carried out. The finally prepared alumina porous ceramic has a high porosity, uniform pore distribution, good pore connectivity, and a pore diameter of 0.3 to 1 mm. The optimum firing temperature of the ceramic is 1600 ° C, at which time the ceramic porosity is maintained above 67% and the flexural strength is 5.6 MPa. Advantages for Porous Ceramic Filter Plate Adopt adsorption principle for filter, can effectively remove big piece inclusions in molten aluminum, and effectively adsorb tiny inclusions. No broken bits drop out, effectively reduce the pollution of molten aluminum. Superior thermal shock resistance, improve erosion resistance ability of molten metal. Automatic flow production,3 calibration procedures,precision size,fit the filter bowl tightly. Improve the surface appearance and performance, purify molten aluminum. Installation and function of Porous Ceramic Filter Plate The filtration efficiency of the ceramic foam filter plate is closely related to its proper installation and use. At the same time, it is not possible to ignore the conventional and necessary measures taken to reduce the occurrence of inclusions in the process operations such as smelting, furnace treatment, and casting, because the filtration process is employed. It is also necessary to prevent re-contamination of the cleaned aluminum liquid after filtration. Zro2 Ceramic Foam Filter Porous Ceramic Filter Plate is installed and used. In general, the following aspects need to be noted: 1. Use the filter plate correctly: The size of the filter plate and the number of holes must be selected in consideration of the flow rate range of the specific casting type, the maximum liquid level of the metal during filtration, the total filtration amount, and the cleanliness of the original aluminum liquid. 2. Pre-melt filtration treatment can not be ignored: Such as molten aluminum furnace and holding furnace normal slag, cleaning furnace; furnace refining. In particular, an in-line degassing device is still necessary because it not only reduces the hydrogen content of the melt, but also removes some of the non-metallic inclusions. 3. The filter plate must be compatible with the square refractory block: The two are adapted to seal, so as to prevent the metal from flowing into the casting box from the gap without being filtered, and also avoid the failure of the foam filter plate to float in the aluminum water due to the excessive light weight. 4. Preheat before use: Preheat to remove moisture and facilitate initial transient filtration. Preheating can be carried out using electrical or gas heating. Under normal circumstances, it takes about 15 minutes. 5. During normal filtration, no slag is required to avoid knocking and vibrating the filter plate. At the same time, the launder should be filled with aluminum water to avoid too much worries of aluminum water. 6. After casting, drain the metal in the flow cell and filter plate. There is a vibrator abroad that is placed on the filter plate and shaken for one minute to shake off about 75% of the remaining liquid metal from the filter plate. 7. Finally clean the perimeter and remove the filter plate after solidification. 
porous ceramic filter hug0adtech122022-06-01 02:49:22
porous ceramic filter is made of high-silicon melt material, which has strong corrosion resistance and no pollution to molten metal. It can be used multiple times to meet the requirements of aviation and transportation for producing high added value and high technical performance. Such as aluminum alloy precision casting products technical needs. Non-stick Aluminum High-density porous ceramic filter is an aluminum water flow tube specially developed for the aluminum metal industry. Its unique structure makes it highly efficient and can be used. Precision machined molding products, the board has low thermal conductivity, good thermal stability, anti-wetting and corrosion resistance, excellent mechanical processing properties, can be used to process aluminum alloy casting parts, such as: dropper, flow tube, hot top ring, Brake pin, ear, float, continuous casting machine mouth material, buffer plate, flow cell memory, machined riser and other aluminum industrial products. The synthesis of special high temperature resistant materials determines that porous ceramic filter are difficult to replace with many other similar materials: high temperature resistance, thermal insulation properties, electrical insulation properties, chemical stability properties, weathering resistance, etc., especially safety and environmental protection. Performance is the best alternative to other hazardous products. porous ceramic filter Advantages 1. It has the advantages of high strength, erosion resistance, impact resistance, heat shock resistance and smoother surface. 2. with boron nitride (BN) coatings used more, normal life 50-100 casting times. 3. the use of high flexibility, enhance the use of molten metal transfer equipment, to save energy and reduce consumption. Theporous ceramic filter has the advantages of convenient disassembly and assembly, no need to stop the equipment during installation, etc. The internal fire-retardant flame-retardant material only needs to bond the flow tube from the middle to seal the insulation, and does not affect the equipment production and saves. installation time. Commonly used in large smelting equipment.  
porous ceramic filter gjh0adtech122022-05-30 02:36:19
porous ceramic filter explains the mechanism and usage suggestions of foam ceramics for casting Filtration mechanism of porous ceramic filter The porous ceramic filter separates the inclusions in the liquid casting alloy through three physical and chemical effects on the molten metal, so as to achieve the effect of purifying the molten metal. Filter cake effect The complex foam ceramic structure can effectively block slag mechanically. When the molten metal passes through the porous ceramic filter with complex structure, the filter medium filters out the inclusions larger than the pore size of the filter surface through mechanical separation, and makes them precipitate on the inflow end of the filter liquid metal. As the number of inclusions on the surface of the filter increases, a layer of “filter cake” will gradually form, which will further narrow the flow channel of the molten metal. Therefore, the surface of the new filter medium can filter out finer inclusions. The inside of the medium also has a filtering effect. Among the many small holes that penetrate the ceramic body, some show tiny slits, and some have dead corners. These different areas of change are possible positions for intercepting inclusions, and there are also “filters” inside the filter. “Pie” effect. Surface effect When the molten metal flows through the ceramic body with a complex structure, it is divided into many small streams, which increases the contact area and contact probability of the inclusions in the molten metal and the filter medium. Because the surface of the filter is extremely small concave and convex, the size of the concave block is about 1~10um, which has electrostatic adsorption and adhesion interception effects on inclusions. Rectification effect When the molten metal flows through the porous ceramic filter it is divided into many small unit streams, the diameter of which is small, so that the Reynolds number becomes smaller, and the liquid flow tends to be laminar. When the molten metal is in a laminar flow state, because the density of the molten metal is much greater than the density of the inclusions, the inclusions have sufficient time to float up and remove, that is, the foam ceramic filter can assist the runner to stop the slag. After the filter is placed in the gating system, the resistance to the flow of the molten metal increases. The molten metal flowing in the runner is easy to form a full motion, and the flow rate is reduced, which is conducive to the floating of inclusions and staying on the top surface of the runner. Recommendations for the use of porous ceramic filter 1. According to the melting point of the alloy, select the filter of the appropriate material to avoid excessive temperature, damage the function of the filter and fail to achieve the filtering effect. 2. Select the corresponding mesh, and the purification effect should match the casting requirements. 3. Try to use the upper limit of the casting temperature to increase the fluidity of the metal. 4. When the filter is placed horizontally under the mouth cup or parting surface, the casting height should not exceed 20cm. It is best to flush the metal liquid on the mouth cup wall, not directly to the filter. 5. The filter must be handled gently. When not in use, place it in a dry and ventilated place to avoid moisture absorption affecting the strength of the filter.
porous ceramic filter rgr0adtech122022-05-29 18:38:42
porous ceramic filter The porous ceramic filter is widely used in various occasions in aluminum foundry factories. The drawing is an a porous ceramic filter Its excellent non-stick aluminum characteristics, no aluminum hanging, low heat absorption, no need to preheat before use. No pollution to the product. The surface coating treatment of the product can obtain the effect of glaze, non-stick aluminum, no aluminum hanging, completely avoiding the adverse effect on silicon melt (including other metals). The product has excellent non-stick aluminum properties while ensuring the interaction between the metal melts between different castings. The installation of the porous ceramic filter is simple and convenient. The product has a long service life; except for improper use of artificial use. The porous ceramic filter is an inorganic material, and the main crystalline phase is xonotlite, which has stable physical and chemical properties, and the product does not adhere to aluminum water. Product use: AdTech a luminum water slag blocking device is used together with casting mold. By setting the slag ring, the filtered aluminum liquid first enters the annular range formed by the slag ring body, and slag such as oxidation slag may be brought in. In the crystallizer, the slag blocking device body can intercept the slag such as oxidized slag, and prevent it from flowing into the inner side of the slag blocking device, and control the scum such as oxidized slag to be outside the slag blocking device, thereby reducing the aluminum alloy ingot. Risk of contamination by slag. The advancement of alumina and DC electrolysis technology in the aluminum industry production laid the foundation for the industrial scale development of aluminum production. By the end of the 19th century, the production cost of aluminum began to decline significantly, and aluminum itself has become a common common metal. In the early 20th century, in addition to daily necessities, aluminum was mainly used in the transportation industry. In 1901, aluminum panels were used to make automobile bodies. In 1903, Alcoa supplied aluminum parts to Wright Brothers. Aircraft. Automobile engines began to use aluminum alloy castings, and the shipbuilding industry also began to use aluminum alloy thick plates, profiles and castings. With the increase in aluminum production and advances in science and technology, aluminum is used in other industrial sectors (such as medical equipment, aluminum printing plates and refining). The use of deoxidizers for steel, packaging containers, etc. is also becoming more widespread, greatly stimulating the development of the aluminum industry. In 1910, the world’s aluminum production increased to more than 45,000 tons. Large-scale production of aluminum foil and other new products, such as aluminum hoses, aluminum furniture, aluminum doors and windows and curtain walls, and various new products such as aluminum cookware and household aluminum foils have also been successively produced. The emergence of aluminum has made a big step forward in the popularity of aluminum. In 1906, Wilm, Germany invented a hard aluminum alloy that doubled the strength of aluminum and was used extensively in aircraft manufacturing and other arms industries during the First World War. Since then, aluminum alloys with different compositions and heat treatment conditions have been developed. These alloys have different characteristics and functions, which greatly expand the use of aluminum and enable the rapid application of aluminum in industrial sectors such as construction, automotive, railway, shipbuilding and aircraft manufacturing. development of. With the development of the aluminum industry, more and more corresponding filter slag products are on the market, and these products require more challenges for the porous ceramic filter 
porous ceramic filter ef0adtech122022-05-27 01:53:29
porous ceramic filter have excellent strength and high temperature impact resistance and chemical corrosion. It can withstand high temperatures up to about 1560 °C. They are therefore suitable for the casting of all copper alloys and cast iron. The ceramic foam filter can significantly improve the quality of cast iron parts and reduce the scrap rate. It can also be used in the continuous casting and rolling process, and can be manufactured to all standard sizes and different thicknesses. The basic materials of theporous ceramic filterare three kinds of silicon carbide, zirconium oxide and aluminum oxide. The foam ceramic filter has excellent filtering effect on copper water or aluminum water, and utilizes a three-dimensional structure to effectively remove oxide inclusions and other non-metallic inclusions by blocking capture adsorption. Whether it is gray iron, ductile iron or shaft body, cylinder or complex large parts, precision metal parts are filtered, the product quality will get satisfactory results. porous ceramic filter Application The foam ceramic filter is also suitable for copper alloys such as copper, bronze, brass, etc., to reduce the turbulence of the copper liquid and to rectify and purify the molten copper liquid. Particularly valuable is that the copper castings that have been purified by filtration have a significant life extension in high-demand or harsh environments such as turbines and chemical parts of marine vessels, and have good effects on cast copper parts with surface polishing requirements. 3. Foam ceramic filters also play an important role in the traditional copper industry and electric and electronic copper industry and continuous casting and rolling processes. Since copper and alloys, including zinc alloys, have a greater specific gravity and produce greater thermal shock during casting, the use of silicon carbide foam ceramic filters in the copper casting process is generally strictly sized. porous ceramic filter Material The basic material of the zirconia foam ceramic filter is zirconia ZrO2. The zirconia filter has a heat resistance temperature higher than about 1760 ° C and has a very high strength and an excellent high temperature impact force. Cast steel parts are widely used in applications that require high strength and elongation requirements. Therefore, steel castings are very sensitive to defects caused by impurities. The excellent characteristics of the zirconia foam ceramic filter can effectively remove the impurities that ultimately lead to product quality defects. The impurities are mainly composed of non-metal particles, slag, and refractory fragments, which improve the surface quality and mechanical properties of the casting and reduce the scrap rate. The zirconia foam ceramic filter can make the molten steel more evenly fill the cavity, and the molten metal has a higher turbulent tendency during casting. The turbulent flow of the three-dimensional pore structure of the zirconia foam ceramic filter is finally converted into a very stable layer. flow. The laminar flow fills the cavity better, which reduces the impact corrosion of the metal solution on the casting cavity and significantly reduces the reject rate. 
Porous ceramic filter ef02022-05-26 19:24:49
Porous ceramic filteris used to filter and purify non-metallic impurities in molten aluminum, which is very important to ensure the quality of aluminum products. Molten metal usually contains impurities in the form of inclusions, which are not removed during the refining process. In order to obtain advanced metal raw materials for thin plate manufacturing, fine wire drawing and precision casting, it is usually necessary to pass molten metal through a filter to remove these inclusions. In particular, molten aluminum often contains entrained solids, which are harmful to the final cast metal product. These entrained solids appear as inclusions in the final cast product after the molten metal is solidified, and cause the ductility of the final product to decrease or the smoothness and anodizing properties of the final product are poor. Inclusions may come from several sources. For example, inclusions may come from a surface oxide film that is broken and entrained in the resulting molten metal. In addition, inclusions may come from insoluble impurities, such as carbides, borides, etc. or corroded furnace and trough refractories. Provide reticulated organic polymer foam. Impregnate the foam with the aqueous slurry. Dry and heat the impregnated polymer foam to remove its organic components. It is fired at a high temperature to produce the ceramic foam filter. Porous ceramic filter uses elastic sealing devices or gasket-type seals to seal the filter plate in place. The seal surrounds the filter plate at the beveled corner of the filter plate. The gasket seal ensures that there is no leakage in the installation and provides an effective separation medium, which is essential for easy disassembly. In addition, since gaskets or sealing devices prevent metal from entering the sealing surface of the holder unit, their use greatly simplifies cleaning and effectively extends the life of the unit by eliminating the problem of metal corrosion. In addition, due to its elasticity, the gasket can provide sufficient friction to fix the filter body in the proper position in the bracket or filter. No need to use other types of compression devices. The elastic sealing device should not wet the specific molten metal, resist its chemical corrosion, and should be fire-resistant enough to withstand higher operating temperatures.
porous ceramic filter o0adtech122022-05-25 23:39:05
porous ceramic filter is the first cost-effective medium to remove non-metallic inclusions from molten aluminum. Ceramic foam filters are still the standard for aluminum filtration in foundries all over the world. Mainly used in continuous casting equipment for aluminum and aluminum alloy melt filters, half-continuous casting, gravity casting, low pressure casting, and also used in other non-ferrous metal precision casting, gas-solid, liquid-solid phase separation media, high-temperature gas filtration, Chemical filling, sound-absorbing materials, catalytic carriers, etc. porous ceramic filter Features 1. Superior dimensional tolerance. 2. Stable chemical properties. 3. Excellent filtration efficiency. 4. Excellent mechanical strength. 5. Corrosion resistance and thermal shock resistance. 6. Beveled edges and compressible washers. porous ceramic filter RFQ Q: Are you a factory? A: Of course, we are a factory. welcome! Q: What parameters should I provide to you so that you can make a correct quotation? Use, aperture, size, color, quantity, packaging requirements, trade terms. Q: How do you control your quality? A: For every production process, we have a complete quality control system for chemical composition and physical properties. All products are inspected after production and passed ISO9001 quality system certification. Q: What is your delivery time? It usually takes 15-20 days after receiving the PO. Do you provide samples? Yes, our factory provides sample testing, please send us the detailed parameters. (If you need to make it to order, it is best to bring drawings.) It can be charged or free according to specific requirements. What are the payment terms? We accept wire transfers, letters of credit, Western Union, etc. Q: How can I get samples? We are honored to provide you with samples. How about your packaging? A: We provide plastic bags, woven bags, cartons, pallets, etc. OEM packaging is also available. Q: Do you have R&D services? Yes, we have an R&D department to assist you in developing new products. Q: Does your company accept customization? We accept OEM service. Q: Can we visit your company? Of course, you are welcome to visit our company. 
porous ceramic filter ghj0adtech122022-06-02 00:01:45
What is the filtering principle of Foam Furnace Filters? By the gap? wrong! The porous ceramic filter is a new type of filter plate made of an industrial sponge as a carrier, filled with heat-resistant ceramics, and then sintered. When the porous ceramic filter filters the aluminum liquid, the aluminum liquid flows through the tortuous holes of the ceramic Foam Furnace Filter, and the non-metallic impurities and oxide film (commonly known as slag) in the aluminum liquid are affected by the axial pressure, friction, and surface adsorption of the aluminum liquid. The combined effect of the slag is retained on the inner surface of the hole and the crevice of the ceramic filter plate, thereby separating the slag and the molten aluminum. After a period of filtering, the slag remaining on the porous ceramic filter also participates in the adsorption of the slag, which can play a filtering role. Since the performance of the slag adsorbed on the porous ceramic filter and the slag to be adsorbed in the aluminum liquid are exactly the same, the surface area ratio is much larger than that of the ceramic filter plate, and the surface activity is much greater than that of the ceramic filter plate, so the ability to adsorb and trap the slag in the aluminum liquid is far Much larger than the ceramic filter plate. Because of this, the porous ceramic filter can filter out the fine slag that is many times smaller than its own hole. During the filtration process, the slag adsorbed on the Foam Furnace Filters gradually grows up after adsorbing and trapping the slag in the molten aluminum. Under the agitation and scouring of the liquid flow, the extremely low-strength slag may break or fall off the porous ceramic filter. In the process of slag falling off, if the porous ceramic filter is thicker or has small holes, it may be intercepted or adsorbed again. 

Ask New Question  

  • You are not logged in,answer will be Anonymous.Set Nickname | Sign In | Sign Up
  • tags separate by ','
  • Shortcuts:Ctrl+Enter

Latest Questions