A kind of gypsum slurry foaming analysis method and device
An analysis method and slurry technology, which are applied in clay preparation devices, cement mixing devices, chemical instruments and methods, etc., can solve the problems of easy occurrence of air bubbles, high viscosity of gypsum slurry, loss of foaming agent, etc., and improve production efficiency. and quality, improve foaming uniformity, and improve the effect of stirring ability
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Embodiment 1
[0090] Such as and 2 and Figure 7 Shown, present embodiment illustrates the process that mixer stirs:
[0091] Water is injected into the water rejection area from the water inlet 7, and is thrown out along the tangential direction through the gap between the wall near the water rejection area and the turntable 2; Mixing in the mixing zone. During the working process of the mixer, the upper stirring pin is stationary, the lower stirring pin 3 rotates, and the lower stirring pin 3 crosses between the upper stirring pins. The two form a finger-crossing stirring structure; through periodic position changes, The material is repeatedly stirred and mixed internally by means of shear and diffusion; the main mixing methods are shear mixing and convective mixing. Slurry mixing, slurry in the gap between the turntable 2 and the casing 1 and the upper cover, due to the velocity gradient difference, produces strong shear mixing, and the slurry is brought to the slurry outlet 5 by the ro...
Embodiment 2
[0093] In this embodiment, the working condition of the mixer is used to select the multiphase flow Mixture model in the fluid for simulation. First, on the basis of 3D modeling of the mixer structure, the combined attributes of the stirring components ( Such as the stirring pin, the position and size of the feed port, etc.), the parameter information of the gypsum slurry mixture (such as flow rate, etc.) and the working mode (such as speed, working mode, etc.) Conditions) to study the relationship between, establish a mathematical model through theoretical analysis, sampling data, and sample verification of the model, after determining the mixer simulation model, through the model to find the combination of input parameters that can achieve the best mixing effect.
[0094] In this embodiment, the flow rate of water is 2.26m / s, the pulp is 2.88m / s, the foaming agent is 0.57m / s, the gypsum powder is 0.29m / s, the production line speed is 60m / min, the discharge port flow rate is 2...
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