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Emulsified liquid treatment technology
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A treatment process and emulsion technology, which is applied in metallurgical wastewater treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. The effect of simple process operation
Active Publication Date: 2017-12-26
重庆瀚渝再生资源有限公司
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Abstract
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Problems solved by technology
[0005] The purpose of the present invention is to provide an emulsion treatment process to solve the problem that the current treatment process of the emulsion is relatively complicated.
Method used
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Embodiment 1
[0033] In order to achieve the above object, the basic scheme of the present invention is as follows:
[0034] The emulsion treatment process of the invention is suitable for waste emulsion treatment in mechanical processing.
[0035] Such as figure 1 As shown, the emulsion treatment process includes the following treatment steps:
[0036] (1) Collecting, collecting the used emulsion through the liquid storage tank 10;
[0037] (2) Settling, the collected emulsion is settled using a settling tank 20, and the settling tank is connected with a slagstorage tank 30 through a slagdischarge pipeline 31, and a waste slag pump 32 is arranged on the slag discharge pipeline 31; The waste slag in 20 is pumped in the slag storage tank 30 for processing;
[0038] (3) Acid analysis, pass the emulsion after the sedimentation treatment into the acid analysis tank 70, add acid for acid analysis, under acidic conditions, some substances in the emulsion will change from dissolved or colloid...
Embodiment 2
[0047] The difference between this embodiment and embodiment 1 is:
[0048] In step (1), a plurality of liquid storage barrels 10 are used to classify and collect emulsions for different processing;
[0049] In step (2), the emulsion collected by classification is poured into different settling tanks 20, and the settling treatment is carried out respectively;
[0050] Evaporate in step (6) until the volume of the emulsion is reduced to 15%.
[0051] The emulsions used for different processing contain different solid impurities and concentrations, and the time of sedimentation treatment is different. The emulsions used for different processing are collected and sedimented separately, which further speeds up the speed of emulsion processing; at the same time, it is convenient Collect and process the settled waste slag, collect and classify the emulsions for different processing and settle.
[0052] After testing, it was found that the volume of the emulsion evaporated in step ...
Embodiment 3
[0054] The difference between this embodiment and embodiment 1 is:
[0055] Evaporate in step (6) until the volume of the emulsion is reduced to 25%.
[0056] After testing, it was found that the volume of the emulsion evaporated in step (6) was reduced to 25%. After layering in step (7), there was a layering phenomenon in the thick emulsion part. The thick emulsion was divided into two layers, and the upper layer was relatively light and thin. It is detected as water, and the concentrated emulsion is basically an organic solvent.
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Abstract
The invention belongs to the technical field of multi-grade treatment of water, wastewater or sewage and in particular discloses an emulsified liquid treatment technology. The emulsified liquid treatment technology comprises the following treatment steps: (1) collecting: collecting used emulsified liquid; (2) precipitating: precipitating the collected emulsified liquid by utilizing a precipitation tank; (3) carrying out acid precipitation: introducing the emulsified liquid subjected to precipitation treatment into an acid precipitation tank; (4) carrying out flocculation: adding a flocculating agent into the emulsified liquid subjected to the acid precipitation and carrying out the flocculation on the emulsified liquid; (5) carrying out press filtering: introducing the emulsified liquid subjected to the flocculation into a filter press and carrying out the press filtering; (6) evaporating: introducing the emulsified liquid subjected to the press filtering into an MVR (Mechanical Vapor Recompression) evaporator and carrying out sectional type evaporation; (7) separating: introducing the evaporated emulsified liquid into a separator and standing and separating to carry out layering. Compared with the prior art, the treatment technology provided by the invention is simple to operate and can be used for rapidly separating water and oil from the emulsified liquid and directly putting the water and the oil into use.
Description
technical field [0001] The invention belongs to the technical field of multistage treatment of water, waste water or sewage, and specifically discloses an emulsion treatment process. Background technique [0002] In the machinery manufacturing industry, metalcutting and grinding processes will use a large amount of emulsion to ensure the smooth and effective metalprocessing process. Emulsion is a high-performance semi-synthetic metalworking fluid, mainly including water, organic oil, surfactant, anti-rust additive, extreme pressure additive, friction modifier, antioxidant, etc. The emulsion is diluted with emulsified oil with water as needed Then add emulsifier to configure. Emulsions can cool, lubricate, and prevent rust during metalcutting and grinding processes. Since metals usually have high temperatures and a large amount of metal shavings during mechanical processing, most mechanical processing In both, emulsions will be used. [0003] After the emulsion is used ...
Claims
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Application Information
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