A high-efficiency treatment process for oily sludge
A treatment process and technology for oily sludge, applied in sludge treatment, water/sludge/sewage treatment, sludge treatment by temperature control, etc. Improve the treatment effect, the process is simple and efficient, and the effect of improving the recovery rate
Active Publication Date: 2022-05-13
广州优特利环保科技有限公司
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Problems solved by technology
[0004] Most of the existing oily sludge treatment processes are cumbersome, and the common method is to use the immiscibility of water and oil to separate, but the treatment methods before and after separation are too complicated, and the separation effect is poor, and there are still a large number of tiny oil droplets in the water that are difficult to separate. Effective stratification will not only lead to partial waste of oil resources, but also the treated water will be easily polluted and the cost will increase accordingly
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Embodiment 1
[0044] see Figure 1-3 , a high-efficiency treatment process for oily sludge, comprising the following steps:
[0045] S1. Preheat the oily sludge and oil-absorbing balls, and then spread the oily sludge on the screen;
[0046] S2. Apply a magnetic field under the screen to force the oil-absorbing balls to penetrate the oily sludge to form dense channels, and then inject hot water into the channels;
[0047] S3. Repeat the penetrating action of the oil-absorbing ball 5-10 times until all the oily sludge passes through the screen, and wait for the mixture under the screen to cool down to room temperature;
[0048] S4. The oil, water, and sludge in the mixture are separated independently from top to bottom. The oil-absorbing ball is located in the sludge, and a magnetic field is applied to recover the oil-absorbing ball. During the migration process, the oil-absorbing ball will remove the residual oil in the water and sludge carry out adsorption;
[0049] S5. Three-phase sepa...
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The invention discloses a high-efficiency treatment process for oily sludge, which belongs to the technical field of sludge treatment. The invention can break the oily sludge through oil-absorbing balls and at the same time form through channels, and then inject hot water into the channels to utilize the pore pressure. The larger feature accelerates the splitting of oily sludge. At the same time, hot water is easier to wash down the oil through a larger osmotic pressure. After the oily sludge is fully broken, a mixture is formed. After cooling, it will separate itself and use the magnetic field to recover the oil-absorbing balls. After cooling, the oil-absorbing ball will shrink locally. During the migration process of sludge-water-oil, it can actively absorb the residual oil droplets in sludge and water, significantly improving the recovery rate of oil. At the same time, the treated The water can be directly reused. Compared with the prior art, the process of the present invention is simple and efficient, and can greatly improve the treatment effect on oily sludge, especially in the recovery of oil.
Description
technical field [0001] The invention relates to the technical field of sludge treatment, in particular to a high-efficiency treatment process for oily sludge. Background technique [0002] In the upstream exploration and development, oil and gas gathering and transportation, sewage treatment, tank bottom cleaning and downstream petroleum refining process, a large amount of mixed leakage containing petroleum hydrocarbons will be produced into the environment due to process equipment and human operation. This solid and semi-solid mixed spillage is called oily sludge. [0003] Oily sludge has complex components, generally composed of oil-in-water, water-in-oil and suspended solids, and is a relatively stable suspending emulsion liquid and semi-liquid system. The sludge particles are fine and floc-like. The density difference between oil and water is small, and the water content is high, generally between 40-90%. It is fully emulsified, has a high viscosity, and is difficult t...
Claims
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IPC IPC(8): C02F11/00C02F11/15C02F11/18C10G1/04
CPCC02F11/00C02F11/15C02F11/18C10G1/047C10G2300/1003
Inventor 董彬虎
Owner 广州优特利环保科技有限公司