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Two-stage steam stripping device

A technology of stripping and recycling device, applied in the direction of degassed water/sewage treatment, special treatment targets, water/sewage treatment, etc., can solve the problems of resource waste, environmental pollution, etc., and achieve the effect of preventing pollution

Active Publication Date: 2015-01-21
NANJING DUBLE METAL EQUIP ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the industrial production process, a large amount of water containing various harmful gases will be produced. If it is discharged directly to the outside, it will cause environmental pollution and cause a great waste of resources.

Method used

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  • Two-stage steam stripping device

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings.

[0012] Such as figure 1 As shown, a secondary stripping device includes a sewage heat exchanger 2, a separation tower 3, a first-stage recovery unit, a second-stage recovery unit, and a reuse water unit, and the separation tower 3 includes an upper tower connected up and down and a The lower tower, the upper tower is a first component separation tower, the lower tower is a second component separation tower, and a feed liquid delivery pipeline 10 is arranged between the bottom of the first component separation tower and the top of the second component separation tower And the gas phase material delivery pipeline 11, the steam inlet pipeline 9 is arranged at the bottom of the second component separation tower; the sewage 1 is connected to the liquid inlet of the sewage heat exchanger 2 through the sewage conveying pump, and the liquid outlet of the sewage heat exchanger ...

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Abstract

The invention provides a two-stage steam stripping device. The two-stage steam stripping device comprises a sewage heat exchanger, a separation tower, a first-stage recovery unit, a second-stage recovery unit and a water recycling unit, wherein the separation tower comprises an upper tower and a lower tower which are connected up and down; the upper tower is a first component separation tower, while the lower tower is a second component separation tower; a feed liquid delivery pipeline and a gaseous-phase material delivery pipeline are arranged between the bottom of the first component separation tower and the top of the second component separation tower; a steam inlet pipeline is arranged at the bottom of the second component separation tower; sewage is guided into the liquid inlet of the sewage heat exchanger by virtue of a sewage delivery pump; the liquid outlet of the sewage heat exchanger is connected to the liquid inlet of the separation tower; the gas outlet of the top of the first component separation tower is connected to the first-stage recovery unit, while the gas outlet of the top of the second component separation tower is connected to the second-stage recovery unit; the purified water outlet of the separation tower is connected to the water recycling unit. The two-stage steam stripping device is a treatment device suitable for extracting and recovering a plurality of gases different in critical temperature in industrial sewage.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a secondary stripping device. Background technique [0002] In the industrial production process, a large amount of water containing various harmful gases will be produced. If it is discharged directly to the outside, it will cause environmental pollution and cause a great waste of resources. Contents of the invention [0003] The object of the present invention is: the device is a processing device suitable for extracting and recovering various gases with different critical temperatures contained in industrial sewage. [0004] The technical solution of the present invention is: a two-stage stripping device, including a sewage heat exchanger, a separation tower, a first-stage recovery unit, a second-stage recovery unit, and a water reuse unit. The separation tower includes an upper tower connected up and down and the lower tower, the upper tower is a first component separation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/10C02F1/20
CPCC02F1/10C02F1/20C02F2201/002C02F2303/00
Inventor 杨进芦建葛军魏涛焦金锋
Owner NANJING DUBLE METAL EQUIP ENG
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