Concentration recovery system and method for active ingredients of machining cleaning solution
A technology for machining cleaning liquid and active ingredients, which is applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., to reduce the cost of sewage treatment, increase the efficiency of waste liquid treatment, and improve recovery Efficiency and Effects on Recycled Quality
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[0034] Example 1
[0035] Such as figure 1 As shown, an effective component concentration recovery system for machining cleaning liquid consists of a waste liquid inlet 1, a sedimentation tank 2 connected to the end of the waste liquid inlet 1, and a sedimentation outlet 3 on the bottom of the sedimentation tank 2, which is installed in the sedimentation tank 2. The suction pump 4 on the upper side of the tank 2, the supernatant tank 5 connected with the suction pump 4, the booster pump a6 on the lower side of the supernatant tank 5, and the booster pump a6 on the upper middle side The connected coarse filter 7, the primary fine filter 8 connected with the lower middle side of the coarse filter 7, the secondary fine filter 9 connected with the lower middle side of the primary fine filter 8, and the filtrate connected with the secondary fine filter 9 Tank 10, a booster pump b11 connected to the lower side of the filtrate tank 10, an ultrafiltration system 12 connected to the boost...
Example Embodiment
[0044] Example 2
[0045] On the basis of Example 1, other equipment mechanisms and connection methods are the same as those of Example 1. The coarse filter 7 is a stainless steel filter with a filtering accuracy of 200 mesh.
[0046] The coarse filter 7 can also be a polymer filter with a filtration accuracy of 150 mesh.
[0047] The filtering precision of the primary fine filter 8 is 50um, and the filtering area can also be 0.2m 2 .
[0048] The filtering precision of the primary fine filter 8 can also be 30um, and the filtering area can also be 0.1m 2 .
[0049] The filtering precision of the secondary fine filter 9 is 20um, and the filtering area can also be 0.01m 2 .
[0050] The filtering precision of the secondary fine filter 9 can also be 15um, and the filtering area can also be 0.2m 2 .
[0051] The membrane element of the nanofiltration system 16 is a disc type membrane element;
[0052] The membrane element of the ultrafiltration system 12 is a disc type membrane element.
[0053...
Example Embodiment
[0054] Example 3
[0055] A method for concentrating and recovering the effective components of the machining cleaning fluid by a concentrated and recovering system for the effective components of the machining cleaning fluid includes the following steps:
[0056] (1) Settlement treatment: the waste liquid of the machining cleaning liquid flows into the sedimentation tank 2 through the waste liquid inlet 1, and the solid matter in the waste liquid is settled by the static sedimentation method, so that the solid matter in the waste liquid settles to the sedimentation tank 2 At the bottom of the sedimentation tank 2, the solid matter is discharged through the sedimentation outlet 3 set on the bottom of the sedimentation tank 2. The sedimentation outlet is opened every 12-24h, and the supernatant liquid in the sedimentation tank 2 is pumped into the supernatant through the liquid suction pump 4 In the liquid tank 5, ready to use;
[0057] (2) Coarse filtration treatment: the supernatan...
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