CN-224212457-U - Three-stage chamber salt acid-base treatment equipment based on electrochemical reaction

CN224212457UCN 224212457 UCN224212457 UCN 224212457UCN-224212457-U

Abstract

The application relates to three-stage chamber salt and acid-base treatment equipment based on electrochemical reaction, which comprises a plurality of three-stage chamber electrochemical reaction units which are mutually communicated, wherein each three-stage chamber electrochemical reaction unit is provided with three independent chambers which are formed by separating electrolytic diaphragms, each three independent chambers comprises an anode reaction chamber, a desalting chamber and a cathode reaction chamber which are sequentially arranged, an anode rod is arranged in each anode reaction chamber, a cathode rod is arranged in each cathode reaction chamber, water inlets are formed in the lower side walls of each anode reaction chamber, each desalting chamber and each cathode reaction chamber, water outlets are formed in the upper side walls of each anode reaction chamber, each desalting chamber and each cathode reaction chamber, the water inlets of the desalting chambers are used for entering salt-containing wastewater and discharging the salt-containing wastewater after desalting treatment is performed in the desalting chambers, each anode chamber water outlet is communicated with a strong acid liquid box, and each cathode chamber water outlet is communicated with an alkali solution precipitation box. The application has the effects of improving the water treatment efficiency of the salt-containing wastewater and reducing the water treatment cost while realizing the recycling treatment of the salt-containing wastewater.

Inventors

ZHANG XUHUI
ZHANG RUI
Dang Jianing
KANG XIN
LI YUE

Assignees

西安爱尔迪环保科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250513

Claims (6)

1. The three-stage chamber brine acid-base treatment equipment based on electrochemical reaction is characterized by comprising a plurality of three-stage chamber electrochemical reaction units which are mutually communicated, wherein each three-stage chamber electrochemical reaction unit is provided with three independent chambers which are formed by separating electrolytic diaphragms, each three independent chamber comprises an anode reaction chamber (1), a desalting chamber (3) and a cathode reaction chamber (2) which are sequentially arranged, an anode rod is arranged in each anode reaction chamber (1), a cathode rod is arranged in each cathode reaction chamber (2), water inlets are formed in the lower side walls of each anode reaction chamber (1), each desalting chamber (3) and each cathode reaction chamber (2), water outlets are formed in the upper side walls of each anode reaction chamber (1), each desalting chamber (3) and each cathode reaction chamber (2), each desalting chamber (3) water inlet is used for entering salt-containing wastewater and being discharged through each desalting chamber (3) after desalting treatment, each anode chamber water outlet (6) is communicated with a strong acid liquid box (18), and each cathode chamber water outlet (7) is communicated with an alkali liquid precipitation box (19).
2. The three-stage chamber brine acid-alkali treatment equipment based on the electrochemical reaction, which is characterized by further comprising a weak acid liquid tank (16) and a weak base liquid tank (17), wherein anode chamber water inlets (4) of a plurality of three-stage chamber electrochemical reaction units are connected through an anode chamber water inlet main pipe (12), the anode chamber water inlet main pipe (12) is communicated with the weak acid liquid tank (16), anode chamber water outlets (6) of the plurality of three-stage chamber electrochemical reaction units are connected through an anode chamber water outlet main pipe (14), the anode chamber water outlet main pipe (14) is communicated with the strong acid liquid tank (18), cathode chamber water inlets (5) of the plurality of three-stage chamber electrochemical reaction units are connected through a cathode chamber water inlet main pipe (13), the cathode chamber water inlet main pipe (13) is connected with the weak base liquid tank (17), and cathode chamber water outlets (7) of the plurality of three-stage chamber electrochemical reaction units are connected through a cathode chamber water outlet main pipe (15), and the cathode chamber water outlet main pipe (15) is communicated with the alkali liquid precipitation tank (19).
3. The three-stage chamber salt acid-base treatment equipment based on the electrochemical reaction according to claim 2, wherein the top of the strong acid liquid tank (18) is communicated with a chlorine recovery device (21), and the water outlet of the strong acid liquid tank (18) is communicated with an acid liquid utilization module (20).
4. The three-stage chamber salt acid-base treatment equipment based on the electrochemical reaction according to claim 2, wherein the bottom of the alkali liquor precipitation tank (19) is provided with a discharge port and is communicated with a filter pressing device (22) through the discharge port, the outer wall of the upper part of the alkali liquor precipitation tank (19) is provided with an upper discharge port, the upper discharge port is used for being communicated with a clear alkali liquor tank (23) for discharging supernatant liquor in the alkali liquor precipitation tank (19), and the clear alkali liquor tank (23) is communicated with an alkali liquor utilization module (24).
5. The three-stage chamber brine acid-base treatment equipment based on the electrochemical reaction according to claim 1, wherein the cathode rod and the anode rod of each three-stage chamber electrochemical reaction unit are electrically connected with a digital display voltmeter (30).
6. The three-stage chamber brine acid-base treatment equipment based on electrochemical reaction according to claim 1, wherein the anode binding posts (27) of the anode bars and the cathode binding posts (26) of the cathode bars of the three-stage chamber electrochemical reaction units are sequentially connected in series and electrically connected to a high-frequency direct current power supply (25).

Description

Three-stage chamber salt acid-base treatment equipment based on electrochemical reaction Technical Field The application relates to the technical field of electrochemical water treatment and salt-containing wastewater recycling treatment, in particular to three-stage chamber salt acid-base treatment equipment based on electrochemical reaction. Background Electrochemical reactions have been widely used in wastewater treatment, and cations in brine wastewater, such as sodium potassium ions, calcium magnesium ions, and other higher metal cations, migrate to the cathode under the action of an electric field, and the cathode electrochemically reacts to generate hydroxide ions. Anions in the salt-containing wastewater, such as chloride ions, sulfate ions, bicarbonate ions and the like, migrate to the anode under the action of an electric field, and react with chlorine or oxygen at the anode to generate chlorine or oxygen. The recycling treatment of the salt-containing wastewater is a development trend, and the electrochemical reaction is utilized to treat the salt-containing wastewater, so that each component in the salt-containing wastewater can be converted into a product with a utilization value, thereby realizing the recycling treatment of the salt-containing wastewater. Disclosure of utility model The utility model aims to realize the resource utilization of salt-containing wastewater by an electrochemical water treatment technology, and provides three-stage chamber salt acid-base treatment equipment based on electrochemical reaction. In order to realize the recycling of the salt-containing wastewater, the utility model provides the following technical scheme based on electrochemical reaction: The three-stage chamber salt acid-base treatment equipment based on electrochemical reaction comprises a plurality of three-stage chamber electrochemical reaction units which are mutually communicated, wherein each three-stage chamber electrochemical reaction unit is provided with three independent chambers which are formed by separating electrolytic diaphragms, each three independent chambers comprises an anode reaction chamber, a desalting chamber and a cathode reaction chamber which are sequentially arranged, an anode rod is arranged in each anode reaction chamber, a cathode rod is arranged in each cathode reaction chamber, water inlets are formed in the lower side walls of each anode reaction chamber, each desalting chamber and each cathode reaction chamber, water outlets are formed in the upper side walls of each anode reaction chamber, each desalting chamber and each cathode reaction chamber, the water inlets of the desalting chambers are used for entering salt-containing wastewater and discharging the salt-containing wastewater after desalting treatment is performed in the desalting chambers through water outlets of the desalting chambers, strong acid liquid boxes are communicated with the water outlets of the anode chambers, and alkali liquid settling boxes are communicated with the water outlets of the cathode chambers. Preferably, the device further comprises a weak acid solution tank and a weak base solution tank, wherein the water inlets of the anode chambers of the three-stage chamber electrochemical reaction units are connected through an anode chamber water inlet header pipe, the anode chamber water inlet header pipe is communicated with the weak acid solution tank, the water outlets of the anode chambers of the three-stage chamber electrochemical reaction units are connected through an anode chamber water outlet header pipe, the anode chamber water outlet header pipe is communicated with the strong acid solution tank, the water inlets of the cathode chambers of the three-stage chamber electrochemical reaction units are connected through a cathode chamber water inlet header pipe, the cathode chamber water inlet header pipe is connected with the weak base solution tank, and the water outlets of the cathode chambers of the three-stage chamber electrochemical reaction units are connected through a cathode chamber water outlet header pipe, and the cathode chamber water outlet header pipe is communicated with the alkali solution precipitation tank. Further, the top of the strong acid liquid tank is communicated with a chlorine recovery device, and the water outlet of the strong acid liquid tank is communicated with an acid liquid utilization module. Further, the bottom of the alkali liquor precipitation tank is provided with a discharge port and is communicated with filter pressing equipment through the discharge port, the outer wall of the upper part of the alkali liquor precipitation tank is provided with an upper discharge port, the upper discharge port is used for being communicated with a clear alkali liquor tank, the clear alkali liquor tank is used for discharging supernatant in the alkali liquor precipitation tank, and the clear alkali liquor tank is communicated with an alkali liquor utilization modu