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Industrial treatment method and device for oil field waste

A technology for oilfield waste and industrial treatment, which is applied in the petroleum industry, the preparation of liquid hydrocarbon mixtures, earthwork drilling and production, etc. It can solve the problems of low heating efficiency, high energy consumption, and low economic efficiency, and achieves fast heating rate, The effect of reducing energy consumption and increasing gasification rate

Active Publication Date: 2016-04-20
RUIJIE ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These traditional heating and pyrolysis methods have low heating efficiency. To make the processed product meet the national standard, it often consumes more energy and is less economical.

Method used

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  • Industrial treatment method and device for oil field waste
  • Industrial treatment method and device for oil field waste
  • Industrial treatment method and device for oil field waste

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] The industrial treatment device and technological process of the oilfield waste provided by embodiment 1, such as figure 1 shown.

[0061] figure 1 Among them, the feed hopper (1) is connected to the dryer (3) through an air lock (2), and the steam outlet of the steam boiler (6) is connected to the steam inlet of the dryer (3).

[0062] The discharge end of the dryer (3) is connected to the feed end of the microwave heating cavity (4) through an air lock (2-1), and the microwave generator (7) is connected to the microwave heating cavity (4) through a wave guiding device. A paddle conveyor (5) is arranged in the microwave heating chamber (4).

[0063] The gas outlets of the dryer (3) and the microwave heating chamber (4) are connected to the dust remover (12), and the dust remover (12) is connected to the condenser (13) and the condenser (13-1) in turn, and the condenser (13 -1) The gas outlet is connected with the UV high-efficiency gas purifier (15) through the fan ...

Embodiment 2

[0070] The industrial treatment device and technological process of the oilfield waste provided by embodiment 2, such as figure 2 shown.

[0071] figure 2 Among them, the feed hopper (1) is connected to the dryer (4) through the feed screw (2) and the rotary feeding device (3), and the steam outlet of the steam boiler (7) is connected to the steam inlet of the dryer (4). The discharge end of the dryer (4) is connected to the feed end of the microwave heating cavity (5) through the rotating unloading device (3-1), and the microwave generator (8) is connected to the microwave heating cavity (5) through a wave guiding device . A feeding conveyor belt (6) is arranged in the microwave heating chamber (5).

[0072] The gas outlets of the dryer (4) and the microwave heating chamber (5) are respectively connected with the dust remover (13), the fan (14), the condenser (15) and the condenser (15-1) in turn, and the condenser (15- 1) The gas outlet is connected to the UV high-effi...

Embodiment 3

[0078] The industrial treatment device and technological process of the oilfield waste provided by embodiment 3, such as image 3 shown.

[0079] image 3 Among them, the feed hopper (1) is connected to the dryer (3) through an air lock (2), and the heat transfer oil outlet of the heat transfer oil boiler (6) is connected to the heat transfer oil inlet of the dryer (3).

[0080] The discharge end of the dryer (3) is connected to the feed end of the microwave heating cavity (4) through an air lock (2-1), and the microwave generator (7) is connected to the microwave heating cavity (4) through a wave guiding device. A scraper conveyor (5) is arranged in the microwave heating cavity (4).

[0081] The gas outlets of the dryer (3) and the microwave heating chamber (4) are respectively connected to the dust collector (12), the condenser (13) and the condenser (13-1) in turn, and the gas outlet of the condenser (13-1) Connect with activated carbon filter (15) through blower fan (14...

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Abstract

An industrial treatment method for oil field wastes comprises: performing sampling analysis on oil field wastes, and preheating to 80°C to 300°C using high-temperature steam or thermal conduction oil; then performing microwave pyrolysis treatment, controlling pressure at -5000 to -100 Pa, and obtaining treated solid substances and gas; condensing, separating and purifying the gas and recycling the gas so as to obtain water, oil and non-condensable gas. An industrial treatment device for oil field wastes comprises a feed hopper, a dryer, a microwave heating cavity, a microwave generator, a heating device, and a condensation, separation and purification device. The feed hopper is connected to the dryer. The dryer is connected to the microwave heating cavity. A steam or thermal conduction oil outlet of the heating device is connected to a steam or thermal conduction oil inlet of the dryer. Gas outlets of the dryer and the microwave heating cavity are both connected to the condensation, separation and purification device. The microwave generator is connected to the microwave heating cavity. The treatment method and device have good treatment effects, high energy utilization rate and high economic efficiency.

Description

technical field [0001] The invention relates to the field of oilfield waste treatment, in particular to an industrial treatment method and device for oilfield waste. Background technique [0002] Oilfield waste usually refers to cuttings produced during drilling, water-based mud and oil-based mud, oily sludge and sediment produced during oil production and oil well operations, crude oil-contaminated soil, and crude oil during storage in storage tanks. Tank bottom sediment, etc. In addition to certain petroleum substances, oilfield waste also contains a large amount of benzene series, phenols, anthracene, pyrene and other toxic substances, salts and heavy metals such as copper, zinc, chromium and mercury. These oilfield wastes are not easy to deal with. It takes hundreds of years to completely decompose under natural conditions. Not only does it directly occupy land and space, but it also seriously pollutes air, soil and groundwater, restricting the production and developmen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B53/00C10G1/00
CPCC10B53/00C10B19/00C10G1/02C10G1/10E21B21/066
Inventor 陈开军胡天勇梁仁刚何茂金闫亚丽林慧丽
Owner RUIJIE ENVIRONMENTAL PROTECTION TECH CO LTD
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