Efficient desulfurization waste liquid salt extraction recovery device
A desulfurization waste liquid and salt recovery technology, which can be used in filtration loops, fixed filter element filters, filtration and separation, etc. It can solve the problems of reduced adsorption and filtration effect, short operation cycle, difficult maintenance, etc., and achieve an increase in filtration specific surface area. , The effect of improving the filtration capacity, convenient installation and maintenance
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Embodiment 1
[0019] Example 1, the high-efficiency desulfurization waste liquid salt extraction recovery device is composed of extraction, evaporation, heat preservation, cooling, crystallization and filtration treatment devices combined according to a certain process flow, including a two-stage filter device (coarse filter and fine filter) Filtration), the two-stage filter device is formed by connecting two microporous ceramic filter devices, such as figure 1 , image 3 with Figure 4 The first kind of microporous ceramic filter device is shown. The microporous ceramic filter device includes a tank body 5 and a head 1 made of stainless steel. The lower part of the tank body is provided with a liquid inlet 6 and a sewage outlet 7 for desulfurization waste liquid. The upper part of the tank body is provided with a liquid outlet 8, the tank cover is provided with a backwash port 9 and an exhaust port 10, the backwash port communicates with the liquid outlet, and a stainless steel support pl...
Embodiment 2
[0020] Embodiment 2, the microporous ceramic filter device described in embodiment 2 except as figure 2 with Figure 5 The structure shown is different from the microporous ceramic filter device of the first structure, and the other structures are the same as those in Embodiment 1. In order to remove particulate impurities in the desulfurization waste liquid entering the microporous filter device more cleanly, ensure that the microporous ceramic tube is not easy to block, improve the filtering effect of the microporous ceramic tube, prolong the filtration period of the microporous ceramic tube, and improve the filtration efficiency , before carrying out the microporous ceramic filtration treatment, pre-filter treatment is carried out, that is, the bottom of the microporous ceramic tube is provided with a base plate 26, a cover plate 20, a liquid pipe 21, a sewage pipe 23 and a separation plate 24 all made of stainless steel. The filter chamber 27 with a liquid port 25, the s...
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