wet Mill As an indispensable equipment for material processing other The industrial field has very strict requirements for wet grinding machines. As an important part of the preparation process, the wet mill should also keep pace with the times. The mixing uniformity of the mixture is one of the main technical indicators to measure the performance of the wet mill. Usually, the variation coefficient Cv of a certain component content in the mixture is used to measure the mixing performance of the wet mill.
High speed wet mill, laboratory wet mill, multi-function wet mill, online wet mill, continuous wet mill, German homogeneous wet mill, double inlet wet mill, micro wet mill are indispensable in the laboratory and scientific research Experimental equipment , not only because of its remarkable emulsification effect, but also for the preparation and development of a variety of suspensions and emulsions. Therefore, the selection of wet mill is very important....
The acting force of IKN wet mill is an important factor determining the degree of emulsification and homogenization, which is 4-5 times of that of domestic wet mills. The flow of IKEN wet mill is 0-1000KG/H, and the specific flow needs to be determined according to the selected working head. With cavity jacket, it can be heated or cooled, and ding class DANFOSS is selected Frequency converter Adjust the speed. The equipment volume is moderate 464X250X320, depending on different working heads. The sealing method of the equipment is a special German PDFE shaft seal, which can run for 10000 hours. German high-quality mechanical seal can be selected.
Factors affecting mixing: particle properties, mixing process, wet mill performance and mixing mode
Mixing function: promote dissolution, adsorption, leaching, crystallization, emulsification, biochemical reaction, prevent suspended solids precipitation, and evenly heat and cool.
IKN wet mill can be directly integrated into the material synthesis process. This enables the wet grinding process to be carried out at the same time as other processes, so that subsequent steps can be deleted. In addition to saving time, the number of systems required and the size of the surface in contact with the product can be significantly reduced. Pipeline wet mill is very suitable for CIP or SIP cleaning. The benefits of wet mill make it an attractive investment product.
Wet grinding with rotor stator device has many advantages:
·The fine particles obtained by grinding are directly combined into the suspension, thus avoiding the formation of dust from the beginning.
·Unlike the dry grinding system, the material to be ground is kept in the system, thus greatly reducing the loss. Therefore, wet grinding is very suitable for grinding chemicals in agricultural production system, especially high-quality substances or toxic substances.
·Compared with the dry grinding process, it is easier to feed and measure the wet grinding products.
IKN wet mill is based on rotor stator principle. IKN wet mill has large input shear energy and can achieve particle size of 10 microns and below. IKN wet mill can handle products with wide viscosity range. Due to its processing capacity, IKN wet mills are used in many applications, such as fabrics coating Wet grinding of paints, paper dyes and greases.
In order to customize the process, IKN provides the following solutions for laboratory and production according to the needs of many customers:
·Three stage high shear disperser ER wet grinding
·Colloid mill CM wet mill
·Cone mill CMO wet mill
·CMD2000 wet mill
The machine is made of sanitary stainless steel and is meticulously manufactured. On the basis of ensuring the effect of wet ultrafine grinding, zui ensures the stability of the equipment to a large extent.
High rotational speed and shear rate are crucial for obtaining ultra-fine micro suspension. According to the special requirements of some industries, Shanghai IKN has developed ERS2000 series on the basis of ER2000. Its shear rate can exceed 10000 rpm, and the speed of the rotor can reach 40 m/s. In this speed range, the turbulence caused by the shear force combined with the specially developed motor can reduce the particle size to the nanometer level. With stronger shear force, the particle size distribution of emulsion is narrower.
In general, our mechanical seal can withstand a pressure of 16 bar. According to the fact that the pressure of the mechanical seal is generally 2-3 bar higher than the pressure of the seal chamber, it determines that the large pressure of our inlet zui can reach 12-13 bar
At the same time, the service life of the mechanical seal is related to the following factors. Meeting the following conditions will make the service life of the mechanical seal longer:
-Allowable pressure ratio
-Adequate cooling and humidity
-Proper collocation of materials
The mechanical seal itself will be worn and broken The main causes of wear are:
-Pressure difference
-Temperature
-Corrosivity of dispersed materials
Sealing material
The equipment design adopts the current zui popular split design. At the same time, six different module heads can be selected to achieve multiple functions, such as three-stage emulsification module, very high-speed module, CM colloid module, CMO colloid module, batch powder liquid liquid mixing module, and continuous powder liquid mixing module. If necessary, it can also be replaced with a colloid mill.
Key points of equipment selection:
1. Define the effect and purpose of using the equipment
2. Understand and master the properties of research materials (including physical and chemical properties) in detail
3. The mixer of the equipment shall be selected according to the materials
4. Re determine the operating parameters and structural design of the equipment
5. Comprehensively consider the cost of equipment
Shanghai IKEN mechanical equipment has passed all 3A health certification, and its design meets the requirements of FDA and EHEDG standards, which is more suitable for the use of exported drugs. The equipment materials in contact with the product are made of stainless steel 316L, including the grinding cutter head, which is made of German imported steel, with stronger wear resistance and better product stability. After being grinded and dispersed by IKN equipment, the product effect can realize the processing of 0.1-1 micron small particle size materials. The adopted seal type is double mechanical seal, which is easy to clean, reduces the leakage to low zui, and can operate 24 hours without stopping. Moreover, the horizontal mechanical seal does not have a long service life. The pressure of the horizontal upper and lower end faces is different, and the split installation solves this problem. The working chamber of IKN equipment is vertical, belt driven, easy to maintain, can effectively protect the motor and gearbox, prevent damage, comply with the fluid flow principle, and easy to clean. It has CIP/SIP online cleaning, online sterilization function, no need to disassemble, no missing points in the machine design, vertical structure complies with the fluid flow principle, and cleaning is easier. IKN has a history of 100 years and rich experience. If used properly, IKN machines have a long service life, low failure rate, strong stability, domestic assembly, imported quality, and affordable prices.
