HPE evaporation system for carrier gas extraction

An evaporation system and extraction technology, which is applied in the field of industrial wastewater desalination devices, can solve the problems of easy corrosion of equipment materials, high cost of wastewater desalination, and endangering the ecological environment, and achieve energy saving, significant energy saving effect, and high degree of automation.

Pending Publication Date: 2019-11-15
黑珀(上海)工业技术有限公司
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Problems solved by technology

If the salty wastewater is discharged into the environment without treatment, it will endanger the ecological environment and cause a waste of resources. Although the current mature processes such as MVC / MCR can recycle fresh water through desalination treatment, they have heat transfer Problems such as easy fouling of equipment, easy corrosion of equipment materials, and low operating efficiency lead to extremely high cost of desalination of wastewater

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  • HPE evaporation system for carrier gas extraction
  • HPE evaporation system for carrier gas extraction

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Embodiment Construction

[0022] The present invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the constitution related to the present invention.

[0023] Such as figure 1 As shown, the present invention proposes a carrier gas extraction HPE evaporation system. The inlet 5 of the evaporator 4 is arranged between the outlet end 3 of the second heat exchanger and the inlet end 8 of the high-salt wastewater and is connected in sequence in order, and The inlet 6 of the evaporator continuously passes the ambient air 9 into the evaporator 4 through the blower 10; the outlet 7 of the evaporator is respectively connected to the high-salt wastewater tank 12 and the wastewater inlet 1 for brine recovery. The outlet two 8 is connected with the gas-liquid separator 14 to enter the condensation system.

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Abstract

The invention relates to an HPE evaporation system for carrier gas extraction. The system comprises an air blower, a heat exchanger, an evaporator, a vapor-liquid separator, a process pump and a condensing water tank; the components of the HPE evaporation system for carrier gas extraction are connected with one another through a pipeline and are controlled through a PLC system; an inlet of the evaporator is connected with the air blower and the heat exchanger, and the outlet is connected with the vapor-liquid separator and a high-salt wastewater discharge outlet; and gas carrier air is continuously introduced into the evaporator by utilizing the air blower, water vapor is extracted from industrial wastewater through carrier gas in the closed system, and at the same time, brine is concentrated to 25% salinity for recycling. The system provided by the invention can effectively concentrate the industrial salt-containing wastewater, and fully utilize useful substances generated by recoveryof the wastewater, a high-efficiency extraction rate of the evaporation system for carrier gas extraction is utilized, so that the energy loss is reduced, and the investment costs are reduced.

Description

Technical field [0001] The invention relates to a device and a process for desalination of industrial waste water, in particular to a device and a process that utilizes the principle of partial pressure to directly contact water and air for desalination. Background technique [0002] The hydraulic fracturing technology used in the oil extraction process will generate a large amount of salty wastewater, and the technology relies on the large use of fresh water in its design. If these salty wastewater is discharged into the environment without treatment, it will harm the ecological environment and cause a waste of resources. Although the current mature processes such as MVC / MCR can make fresh water recycled and reused through desalination treatment, there is heat exchange. Problems such as easy scaling of the device, easy corrosion of equipment materials, and low operating efficiency have led to extremely high costs for wastewater desalination. With the development of wastewater d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04C02F1/26C02F103/10
CPCC02F1/04C02F1/265C02F2103/10C02F2301/08
Inventor 祁常伟李强戚琰张健刘晓锦王栋
Owner 黑珀(上海)工业技术有限公司
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