Three-phase heating non-stick oily sludge pyrolysis device

Abstract

The invention discloses a three-phase heating non-stick oily sludge pyrolysis device, so as to mainly solve the problem that treated discharges do not meet the standard when the conventional treatmentdevice treats wastes in an oil field. The three-phase heating non-stick oily sludge pyrolysis device is characterized in that a spiral material pushing vane (5) is fixed outside a rotating shaft (3);a circular protective wall (10) is fixed outside a barrel body (11); a heating cavity (8) is formed between the barrel body (11) and the protective wall (10); three exhaust gas inlets are formed in the bottom of the protective wall (10); a smoke discharging port (7) is formed in the top of the protective wall (10). The three-phase heating non-stick oily sludge pyrolysis device is simultaneously suitable for treating wastes such as waste slag liquid of an oil field, oil-enriched oil shale, various types of waste engine oil and living wastes, and the device cannot be coked and do not generate polluting discharges at the end of the treatment.

Description

technical field [0001] The invention relates to the field of solid organic matter (including solid-liquid mixture) treatment, in particular to a three-stage heating non-stick pan oily sludge pyrolysis device. Background technique [0002] For the sludge produced in petroleum, petrochemical and other industries, it is composed of water, emulsified oil, adsorbed oil, solid mud and sand, etc., with complex components and difficult treatment. At present, the treatment methods of this kind of sludge include washing method, incineration method, etc. Since the 2015 National Environmental Protection Law clearly stipulates that the discharged solids after treatment must contain less than 0.3% oil, and the above two methods cannot meet the environmental protection requirements. Among them, the water washing method has the following problems: 1. The solid silt after treatment contains more than 1% oil, which cannot be discharged or utilized as a resource; 2. New pollutants will be prod...

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Problems solved by technology

Among them, the water washing method has the following problems: 1. The solid silt after treatment contains more than 1% oil, which cannot be discharged or utilized as a resource; 2. New pollutants will be produced after treatment, one is emulsified oil with severe emulsification. Because Na + When it is returned to the joint station to contact the electric dehydration device, it will short-circuit the device instantly, seriously affecting the normal and safe operation; one is the sewage containing oil and suspended matter exceeding the standard, when it is returned to the sewage treatment It is difficult to achieve rapid separation of oil and water when standing in the station; third, continuous operation cannot be realized; fourth, the requirements for impurities in the front-end feed are strict, and when the block is too large or has braids, it will seriously affect the operation of subsequent process equipment

The incineration method has the following problems: 1. The premise of incineration requires two aspects. One is that the combustible liquid needs to be atomized below 20 μm, and the other is that the water content, especially the liquid water, cannot exceed 0.5%. , the emulsified liquid cannot be atomized below 20 μm, so it is difficult to burn normally; 2. The device used in the incineration method is severely coked; 3. If the organic matter contains chlorine components (such as various woven fabrics, plastic cloth, etc.), then Incomplete combustion is prone to produce harmful components such as dioxin

[0005] As mentioned above, when the current treatment devices are dealing with the above-mentioned oilfield waste liquid, oil-rich oil shale, various waste engine oils, household garbage and other wastes, the discharge after treatment is not up to standard, and there is no method or device It can be applied to the treatment of the above-mentioned various wastes at the same time, and it cannot guarantee that the discharge after treatment will meet the standard

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