CN-224226831-U - High-salinity wastewater recycling treatment system

CN224226831UCN 224226831 UCN224226831 UCN 224226831UCN-224226831-U

Abstract

The utility model discloses a high-salt wastewater recycling treatment system which comprises a water sample detection and analysis system, a pretreatment system, an ozonization system, an ultrafiltration membrane system, a reverse osmosis system, a membrane distillation system, an electrolytic hydrogen production system, an ozone generation system and an evaporation system. The whole process only generates reverse osmosis pure water, membrane distillation high-purity water, high-purity hydrogen and evaporated solid residues, realizes zero emission of high-salt wastewater, combines membrane distillation with electrolytic hydrogen production and ozonization water treatment for the first time, realizes zero emission of wastewater, and simultaneously realizes recycling of resources such as water, oxygen and the like.

Inventors

ZHAO JIALI
PEI JINGKE
LIANG ANQI
LI YUANJIE
LIU HONGYI
LIU TAISHENG

Assignees

东方电气(福建)创新研究院有限公司
东方电气股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250423

Claims (5)

1. A high-salinity wastewater recycling treatment system, comprising: The water sample detection analysis system is used for sampling and analyzing the high-salt wastewater to obtain pH, COD, TDS, hardness and content range values of various pollutants of the high-salt wastewater, wherein the water sample detection analysis system is connected with the pretreatment system through a pipeline; the pretreatment system is used for pretreating the high-salt wastewater subjected to detection and analysis to obtain supernatant and pretreatment concentrated solution, wherein the pretreatment system is respectively connected with the ozonization system and the evaporation system through pipelines, the supernatant enters the next-stage ozonization system, and the pretreatment concentrated solution enters the evaporation system; An ozonization system which makes the supernatant fully contact with ozone by utilizing an ozone aeration device to obtain ozonized effluent and ozonized concentrated solution, wherein the ozonization system is respectively connected with an ultrafiltration membrane system and an evaporation system through pipelines, the ozonized effluent enters a next-stage ultrafiltration system, and the ozonized concentrated solution enters the evaporation system; The ultrafiltration membrane system is used for filtering the ozonized effluent to obtain ultrafiltration membrane effluent and ultrafiltration membrane concentrate, the ultrafiltration membrane system is respectively connected with the reverse osmosis system and the evaporation system through pipelines, the ultrafiltration membrane effluent enters the next stage of reverse osmosis system, and the ultrafiltration membrane concentrate enters the evaporation system; The reverse osmosis system is used for performing reverse osmosis treatment on the ultrafiltration membrane effluent to obtain reverse osmosis high-purity water and reverse osmosis concentrated solution, and is connected with the membrane distillation system through a pipeline; The membrane distillation system is used for carrying out membrane distillation treatment on the reverse osmosis concentrated solution to obtain membrane distillation high-purity water and membrane distillation concentrated solution, wherein the membrane distillation system is respectively connected with the electrolytic hydrogen production system and the evaporation system through pipelines, the membrane distillation high-purity water enters the next-stage electrolytic hydrogen production system, and the membrane distillation concentrated solution enters the evaporation system; The electrolytic hydrogen production system is used for carrying out electrolytic hydrogen production on the membrane distillation high-purity water to obtain hydrogen and oxygen, and is connected with the ozonization system through a pipeline, and the oxygen enters the ozone generation system; An ozone generating system connected with the ozonization system through a pipeline, and used for preparing oxygen into ozone mixed gas and conveying the ozone mixed gas to the ozonization system through a pipeline; and the evaporation system is used for performing evaporation treatment on the pretreatment concentrated solution, the ozonization concentrated solution, the ultrafiltration membrane concentrated solution and the membrane distillation concentrated solution to obtain solid residues.
2. The high-salinity wastewater recycling treatment system according to claim 1, wherein the ozone aeration device is a multi-stage ozone aeration device in the ozonization system.
3. The high-salinity wastewater recycling treatment system according to claim 1, wherein the ultrafiltration membrane system comprises an ultrafiltration circulating pump, and the ultrafiltration membrane system changes the water yield and the water quality of the ultrafiltration membrane system by regulating and controlling the flow and the pressure of the ultrafiltration circulating pump.
4. The high salt wastewater reclamation system as recited in claim 1 wherein the reverse osmosis system includes a high pressure pump, the reverse osmosis system regulating concentrate flow and system recovery by controlling the operating pressure of the high pressure pump.
5. The high-salinity wastewater recycling treatment system according to claim 1, wherein the ozone generation system comprises an ozone generator, and the ozone generator prepares the oxygen collected by the electrolytic hydrogen production system into ozone mixed gas and conveys the ozone mixed gas into the ozonization system for use through a pipeline.

Description

High-salinity wastewater recycling treatment system Technical Field The utility model belongs to the technical field of industrial sewage recycling, and particularly relates to a high-salt wastewater recycling treatment system. Background Industrial high-salt wastewater such as desulfurization wastewater, oilfield produced water, reverse osmosis concentrated water, gasified grey water, boiler sewage and the like has complex composition components and is mainly divided into organic matters and inorganic salt 2, wherein the organic matters and the inorganic salt 2 mainly comprise K+、Ca2+、Na+、Mg2+、CO32-、NO32-、Cl-、SO42-、 suspended oil, emulsified oil, dissolved oil, low-carbon organic matters, heavy metals, cyanide, aromatic and heterocyclic compounds, radioactive elements and the like, and the substances are difficult to discharge or reuse through simple treatment. The Chinese patent with the application number of CN201610457392.3 discloses a wastewater treatment system and a wastewater treatment method, wherein the wastewater treatment system comprises a pretreatment system which carries out adjustment treatment and precipitation treatment on wastewater to obtain pretreated wastewater, a first treatment system which carries out anaerobic treatment and microorganism interception on the pretreated wastewater, softens and membrane filters the wastewater after microorganism interception to obtain softened membrane filtered effluent, and a second treatment system which converts free ammonia in the softened membrane filtered effluent into ionic ammonium to obtain converted effluent, and carries out high-pressure reverse osmosis treatment, material separation treatment and evaporative crystallization treatment on the converted effluent. In the wastewater treatment system, each treatment unit can thoroughly remove specific pollutants in the technical process, and favorable treatment conditions are created for subsequent units, so that an innovative and complete combined process is formed, but the invention cannot realize zero discharge of wastewater. Disclosure of utility model The utility model provides a high-salt wastewater recycling treatment system which can realize zero discharge of high-salt wastewater. In order to solve the technical problems, the utility model provides a high-salt wastewater recycling treatment system, which comprises: The water sample detection analysis system is used for sampling and analyzing the high-salt wastewater to obtain pH, COD, TDS, hardness and content range values of various pollutants of the high-salt wastewater, wherein the water sample detection analysis system is connected with the pretreatment system through a pipeline; the pretreatment system is used for pretreating the high-salt wastewater subjected to detection and analysis to obtain supernatant and pretreatment concentrated solution, wherein the pretreatment system is respectively connected with the ozonization system and the evaporation system through pipelines, the supernatant enters the next-stage ozonization system, and the pretreatment concentrated solution enters the evaporation system; An ozonization system which makes the supernatant fully contact with ozone by utilizing an ozone aeration device to obtain ozonized effluent and ozonized concentrated solution, wherein the ozonization system is respectively connected with an ultrafiltration membrane system and an evaporation system through pipelines, the ozonized effluent enters a next-stage ultrafiltration system, and the ozonized concentrated solution enters the evaporation system; The ultrafiltration membrane system is used for filtering the ozonized effluent to obtain ultrafiltration membrane effluent and ultrafiltration membrane concentrate, the ultrafiltration membrane system is respectively connected with the reverse osmosis system and the evaporation system through pipelines, the ultrafiltration membrane effluent enters the next stage of reverse osmosis system, and the ultrafiltration membrane concentrate enters the evaporation system; The reverse osmosis system is used for performing reverse osmosis treatment on the ultrafiltration membrane effluent to obtain reverse osmosis high-purity water and reverse osmosis concentrated solution, and is connected with the membrane distillation system through a pipeline; The membrane distillation system is used for carrying out membrane distillation treatment on the reverse osmosis concentrated solution to obtain membrane distillation high-purity water and membrane distillation concentrated solution, wherein the membrane distillation system is respectively connected with the electrolytic hydrogen production system and the evaporation system through pipelines, the membrane distillation high-purity water enters the next-stage electrolytic hydrogen production system, and the membrane distillation concentrated solution enters the evaporation system; The electrolytic hydrogen production system is used for carrying out elect