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Method for wastewater treatment by using mechanical compression evaporation crystallizer system

A technology of mechanical compression evaporation and wastewater treatment, applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of no boilers, cooling water utilities, etc., and achieve low energy Consumption, to meet the effect of circular economy

Inactive Publication Date: 2013-03-27
黑龙江鑫达晟机械科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Since most oil wells are built in the open air without boilers, cooling water and other public facilities, only electricity can be used

Method used

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  • Method for wastewater treatment by using mechanical compression evaporation crystallizer system
  • Method for wastewater treatment by using mechanical compression evaporation crystallizer system
  • Method for wastewater treatment by using mechanical compression evaporation crystallizer system

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Embodiment Construction

[0024] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited.

[0025] Such as figure 1 As shown, the mechanical compression evaporation crystallization system includes a storage tank 1, a balance tank 2, a tubular preheater 3, a condensed water tank 4, an evaporation separation crystallizer, and a centrifuge 5. The outlet of the storage tank 1 passes through the pipeline Connect with the inlet of balance tank 2, the outlet of balance tank 2 is connected with the inlet of tubular preheater 3 through pipeline, described evaporative separation crystallization device is made up of evaporative separation crystallizer 7, heater 8, mechanical Composed of a compressor 9 and a forced circulation axial flow pump 10, the input end of the forced circulation axial flow pump 10 is respectively connected to the discharge port of the tubular preheater 3 ...

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Abstract

The invention provides a method for wastewater treatment by using a mechanical compression evaporation crystallizer system and belongs to the technical field of industrial wastewater treatment. A storage tank of the mechanical compression evaporation crystallizer system is connected with a balance tank which is connected with a tubular preheater, the tubular preheater is connected with an evaporation separation crystallization device and a condensation water tank, and the evaporation separation crystallization device is connected with a centrifugal separator which is connected with the storage tank. The treatment method includes: pretreated wastewater is pumped in the storage tank and enters a heat exchanger to perform heat exchange after buffering of the balance tank, material temperature rises by 5-8 DEG C, the wastewater enters the evaporation separation crystallization device to be evaporated and crystallized, high-speed separation is performed on crystal mush in a centrifugal machine, separated saturated solution returns to the evaporation crystallizer system again to be evaporated, and separated solid particles are packed. The method for the wastewater treatment by using the mechanical compression evaporation crystallizer system achieves effects regulated by the state of zero emission, circular economy and waste recovery, and evaporated distilled water can achieve the national first class discharging standard.

Description

technical field [0001] The invention belongs to the technical field of industrial waste water treatment, and relates to a method for treating waste water by using a mechanical compression evaporation crystallizer system. Background technique [0002] Drilling wastewater is the product of drilling fluid, production fluid, groundwater or crude oil mixed with production anhydrous. Its composition, properties and hazards are related to the type of drilling fluid and the composition of treatment agents. The main sources include mechanical sewage, flushing sewage, drilling fluid Sewage, operational sewage (sewage generated from downhole operations such as cementing, fracturing and acidification, workover, and well washing). Drilling sewage and waste mud in oil and gas fields have become the main sources of pollution in the oil and gas industry. If these pollutants are not effectively treated, they will pollute the soil, surface and groundwater, and cause serious impact and damage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F9/10
Inventor 孙国梁
Owner 黑龙江鑫达晟机械科技有限公司
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