Suitable for casting of high-end smaller products
The 100 liter static mixing vacuum casting equipment belongs to the smaller model of static mixing vacuum casting equipment. Depending on the configuration of the system, semi-finished (AB) materials such as resin plus silicon micro-powder and curing agent plus silicon micro-powder can be used, or resin can be used. Raw materials such as curing agents and fillers. Also according to different configurations, it is suitable for small batch production or large batch production, but the products produced are relatively small. The static mixer is an advanced unit device. Unlike the agitator, it has no moving parts inside. It mainly uses fluid flow and internal units to achieve mixing of various fluids and structural design rationality. Compared with other equipment such as orifice column, venturi, agitator and homogenizer, the static mixer has high efficiency, low energy consumption, small volume, low investment and easy continuous production. In a static mixer, the motion of the fluid follows the law of "split-shift-overlap", and the main function of the mixing process is displacement. The way of shifting can be divided into two categories:“The relative displacement caused by the same cross-sectional velocity distribution and the “multi-channel relative displacement”, the displacement mode of different types of mixers is also different. The core technology is a two-component epoxy resin mixture, which will be passed through a static mixer. The mixture is evenly mixed. In principle, the shorter the mixing time of the two-component mixture, the fresher the material is. Compared with the traditional dynamic mixing method, the mixed materials are more fresh and suitable for pouring of high-grade products.
100 liter static mixing vacuum pouring equipment mainly includes a set of resin feeding system, a set of curing agent feeding system, a set of packing ton bag conveying system, a set of packing drying conveying system, and a resin mixing degassing tank. One set of system, one set of curing agent mixing degassing tank system, one set of resin measuring tank system, one set of curing agent metering tank system, two sets of high-precision silicon carbide metering pump system, one set of static mixer system, vacuum pouring One set of tank system, three sets of vacuum system, six sets of heating system, one set of cooling water system, one set of compressed air system, one set of control system and one set of equipment steel frame. According to the user's capacity requirements, if the capacity requirements are small, the configuration can be simplified. After simplifying, there is a set of resin feeding system, a set of curing agent feeding system, a set of resin metering degassing tank system, and a curing agent metering degassing tank. One set of system, two sets of high-precision silicon carbide metering pump system, one set of static mixer system, one set of vacuum casting tank system, two sets of vacuum system, four sets of heating system, one set of cooling water system, one set of compressed air system A set of control systems and a set of equipment steel frames.
The 100 liter static mixing vacuum casting equipment is suitable for products with high quality requirements, high voltage level and high appearance requirements. The final mixing tank of the dynamic equipment is replaced by the static mixer of the static equipment. The same pressure and the same pressure are pushed by the metering pump. Or different proportions of materials are mixed by mixing, the mixing time is short, the mixture is fresh, the flow performance is superior, and the wettability to the coil is improved. In short, the gel state of the first kilogram of the mixture and the last kilogram of the mixture in the dynamic mixing tank is different, and the material that enters the mold later than the material in the front, viscosity and infiltration The sex is much lower, that is, the quality is uncontrollable; and the gel state of the static mixture hitting the mold every stroke is exactly the same, regardless of time. The principle is mainly to use the powerful function of the metering pump to push the material, and the static mixer, ready-to-use, to ensure that the poured material is fresh, infiltrating and fluid. Through the mixing, the mixing time is about two seconds, which also ensures the freshness of the material. This guarantees the quality of the finished product and does not require the size of the finished product.
The casting production of dry-type transformers, dry-type transformers, dry reactors, basin insulators, insulators, etc. requires an epoxy resin vacuum casting equipment, the main function of which is to cast epoxy resin into the mold. The steps are also an important part of dry product production. In the specific implementation, the wound coil is first pre-baked in an oven, and the temperature reaches the temperature required for the active flow of the resin, and then transferred to the casting tank to vacuum-cast the epoxy coil in the mold to be ring-shaped. After the oxygen resin overflows the mold and the coil, it is transferred to the curing furnace, and after being completely solidified in the curing furnace, the mold is removed and the mold is removed to obtain a complete dry coil.