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JBF mixer
JBF mixer
Mixer Introduction
The mixing can be either an independent unit operation in the field of fluid mechanics, such as liquid-liquid mixing, solid-liquid suspension, gas-liquid or liquid-liquid dispersion, etc., or necessary means to complete other unit operations such as heat transfer, absorption, extraction, dissolution, and crystallization, as well as chemical reaction processes.
The mixing process can make each part of the mixed liquid close to a homogeneous state, increase the effective contact area of the dispersion phase, reduce the resistance of the liquid film around the dispersion phase, increase the relative speed, and improve the heat transfer rate.
So, various mixing devices are widely used in many industries such as chemical, pharmaceutical, food, papermaking, agriculture, and environmental protection.
Working principle of JBF mixer:
In essence, the mixing process is a single momentum transfer or a process that contains the transfer of momentum, heat, and mass as well as chemical reaction in a fluid field, and the mixer is to input mechanical energy into the mixing media by obtaining an appropriate flow field for them.
The mixing process is as follows: The motor drives the mixer to rotate at a certain speed after speed change of the reducer. According to the different mixing speeds, fluids at different speeds are discharged from the impeller. This moving fluid also attracts and carries the surrounding liquid at the same time, so as to involve the static flows or low-speed flows around it, thus synthesizing a complex moving flow. This synthesized moving flow has both horizontal circulation flow and up & down circulation flows along the wall and the mixer shaft. This circulation flow can involve a wide range in the mixing tank and has an effect of volume circulation.
The liquid discharged from the impeller transfers the energy from the impeller to the media in the tank, and sequentially circulates the liquid in the tank to the vicinity of the impeller with mixing function at the same time. Because instantaneous velocity fluctuations will generate irregular movements such as turbulence and eddy currents, which will gradually disintegrate and mix with the surrounding fluid. As a result, the fluid itself and the heat, mass and energy contained in it will also move to the surroundings all together, thus generating homogeneous reactions such as local mixing, and interface update between different phases, which may cause mass transfer and heat transfer of the overall liquid flow.
There's a great diversity of mixing operations, the mixing media are also different from each other, and the requirements for the mixing by different processes are also different, which all require the compatibility with different types of mixers. After equipped with various accessories with controllable fluid state, various mixers can make the fluid state and the supply of energy have lots of changes, which is good for strengthening different mixing processes.
At the same time, in order to guarantee the normal operation of the mixer, it is also required that the mixer should have reasonable structure and strength. With respect to different working conditions and the process requirements provided by the user, our company has rigorously designed various ideal mixers and complete machine configurations after strict measurements, based on years of accumulated experience.
Design and configuration of mixing equipment:
Configuration of motor reducer:
All the configurations are international and domestic first-class motors and reducers. You can configure according to different process and price requirements of the user, and can also configure motors suitable for foreign special voltage, special thermal insulation, explosion suppression, and explosion protection, according to the special requirements of the user.
Rack configuration:
The intermediate part connecting the reducer and the reaction kettle plays the role of connecting the reducer, and supporting the transmission shaft and the mixer shaft during mixing. Our company can configure standard or non-standard rack for you, so that it can match various reducers to meet different plant space requirements and process requirements.
Coupling configuration:
The coupling is a mechanical device that connects two shafts and rotating members, and rotates together without disengaging during torque transmission and movement. There are rigid couplings; flexible couplings; safety couplings, etc.
Shaft seal configuration:
The shaft seal is an important part of the mixing equipment. The task of the mixer shaft seal is to guarantee a certain positive pressure or vacuum in the mixing equipment and to prevent the overflow of reaction materials and the penetration of impurities. So, not all shaft seal forms can be used by the mixing equipment. The commonly used seal forms of the mixer shaft are packing seal and mechanical seal, which should be designed and selected according to the working conditions.
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Contact information
Tel:021-64025076
E-mail:shls@ls-st.com
Add:Company address: Room 609~613, 6F, (T2 Office Building), No. 16, Lane 399, Xinlong Road, Minhang District, Shanghai
Factory address: No. 1533 Fengpu Street, National Science and Technology Park, Jiaotong University, Fengxian District, Shanghai.
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