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Mud concentrated dehydration treatment equipment

A sludge concentration and sewage technology, which is applied in the direction of dehydration/drying/concentrated sludge treatment, can solve the problems of environmental pollution, impurities, vicious circle, etc., to avoid environmental pollution, avoid secondary pollution, improve sewage treatment efficiency and effluent water quality effect

Inactive Publication Date: 2004-08-18
大庆油田建设设计研究院
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  • Abstract
  • Description
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is the problem of environmental pollution caused by sludge discharge and the vicious circle of impurities in the water treatment system

Method used

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  • Mud concentrated dehydration treatment equipment
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Embodiment Construction

[0009] The present invention will be further described below:

[0010] Combined as shown in Figure 2 figure 1 As shown, the sludge concentration and dehydration treatment device includes a sewage recovery tank 1, a filter tank 7 and a clean water tank 10. The sewage recovery tank 1 is connected in parallel with the sedimentation separation equipment 2 and the high-efficiency sedimentation separation equipment 3, and then passes through the sludge first lift pump in sequence. 4. The first flow meter 14 and the pipeline mixer 5 are connected to the sludge concentration tank 8, and the concentration tank 8 is connected to the sludge storage tank 11 and the dehydrator 13 in turn through the second lift pump 4' and the second flow meter 14'; 13. The supernatant drain pipe of the concentration tank 8 and the oil outlet pipe of the concentration tank 8 are respectively connected to the recovery tank 1 and the dirty oil tank 12, and the clean water inlet pipe of the concentration tank...

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Abstract

The sludge concentration dehydration treatment unit incldues a sewage recovery pool which is parallel to and communicated with settling separation equipment, then through sludge lifting pump and flowmeter, is connected with sludge concentration tank, slduge storage tank and dehydrating machine in turn; the dehydrating machine, supernatant fluid discharge pipe of the concentration tank and oil oultet pipe of the concentration tank are respectively connected with recovery pool and spump oil tank. It can prevent secondary pollution, and can raise sewage treatment efficiency.

Description

(1) Technical field: [0001] The invention relates to a device for treating sludge produced in oily sewage in an oil field, which belongs to a sludge concentration and dehydration treatment device. (two) background technology: [0002] At present, with the gradual deepening of oil field development, the waste of sewage and sludge is increasing continuously, and its composition is relatively complex, causing great harm to sewage treatment, reinjection and effluent, whether it is polymer flooding or ASP flooding It is also the treatment of oily sewage produced by conventional water flooding. Most of the oil-water mixture is processed through the concentration and dehydration of the coagulation settling tank 15 and the natural settlement tank 16 as shown in Figure 2, so that the treated oil-water mixture enters the filtration of the continuous secondary filter tank 7 through the lifting of the buffer tank 17 and the pump 18, The separated water is reclaimed in the recovery tank...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/12
Inventor 夏福军陈忠喜张瑞泉马文铁才国忠罗兴仁韩丽华朱玉萍
Owner 大庆油田建设设计研究院
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