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Efficient sludge treatment system

A treatment system and oil sludge technology, applied in sludge treatment, water/sludge/sewage treatment, dehydration/drying/thickened sludge treatment, etc., can solve the problems of timely treatment of oil sludge, increase of equipment operation failure, increase of environmental pollution, etc. problems, to achieve the effect of high oil and dust removal efficiency, high oil-water separation efficiency, and water saving

Active Publication Date: 2017-04-26
大连爱德摩设备制造有限公司
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Problems solved by technology

The anaerobic pyrolysis method does not make full use of the heat source generated by the pyrolysis of oil sludge, resulting in waste of heat source, and the oil sludge is easy to stick in the pyrolyzer, which will increase the operation failure of the equipment, and the oil sludge cannot be processed in time, which will increase the risk of environmental pollution

Method used

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  • Efficient sludge treatment system

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Embodiment Construction

[0019] Such as figure 1 As shown, the high-efficiency sludge treatment system includes a sludge delivery unit, a drying unit, a thermal analysis unit, a combustion unit, a gas treatment unit, a condensate treatment unit, and a sludge output unit; the sludge delivery unit includes a screw conveyor 1 connected in sequence and an air belt Locked material storage bin 3; the drying unit includes a dryer 4 with an agitator and an external heating coil, a flue gas blower 6, an electrical filter 8, an oil tank 21 with an electric heater, an oil pump 22, a heat exchanger 23 and a system Nitrogen machine 24, nitrogen generator 24, heat exchanger 23, drier 4 with agitator and external heating coil, flue gas blower 6, electrical filter 8 are connected in sequence, oil pump 22, oil tank 21 with electric heater It is connected to the heat exchanger 23, and the oil pump 22 is connected to the oil tank 21 with an electric heater, and the dryer 4 with an agitator and an external heating coil i...

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Abstract

The invention discloses an efficient treatment system of oil sludge. The TPH (total petroleum hydrocarbons) content of the oil sludge treated is less than 1%. The oil sludge enters a dryer with a stirrer and an outer heating coil and is subjected together with hydrogen separated by a nitrogen making machine, to heat exchanging via heat transfer oil, a resulting product is subjected with oil sludge directly to convection drying, cracking heat of a thermal desorption unit performs on indirect heating on the oil sludge through the outer heating coil of the dryer, viscosity of the oil sludge is decreased after free water, interstitial water and part of light gases are removed, chances that the oil sludge cake in the heat desorption unit are also slimmed, and long-term running of the thermal desorption unit is guaranteed; the dryer with the stirrer and the outer heating coil uses the cracking heat of the thermal desorption unit, thus energy is saved; gases subjected to oil removal, dust removal and odor removal are used as fuels for a combustor, thus energy is saved; high-hydrogen gas from the dryer with the stirrer and the outer heating coil separates oil and water through bubbles generated by an air flotation machine, oil-water separation is efficient, and the separated oil is used as a fuel for the combustor, thus energy is saved.

Description

technical field [0001] The invention relates to the technical field of environmental protection and soil remediation, in particular to a high-efficiency oil sludge treatment system. Background technique [0002] High-efficiency sludge treatment is a technology for environmental protection and soil restoration. Oily sludge is oily sludge, which is a highly volatile, high-viscosity organic hazardous substance composed of minerals, mineral oil and water produced in oil fields and petrochemical production processes. If it is discharged without treatment, it will cause serious harm to the local environment. Oil sludge contains high content of TPH, if it is recycled, its heat can be used as energy. Therefore, the treatment of oil sludge can solve the serious environmental pollution problems faced by the petrochemical industry, and can also use its heat source, which not only protects the environment but also realizes the sustainable development of resources. [0003] At present...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/00C02F11/12C02F11/10C02F1/24C02F1/40B01D50/00
Inventor 张贤彬迟耀华李森陈广彬刘可教朱学文陈皋
Owner 大连爱德摩设备制造有限公司
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