Dual-membrane on-line generator for acid or alkali solution
AssigneesEast China University of Science and Technology, Shimadzu (China) Co., Ltd.
InventorsBingcheng YANG, Feifang ZHANG, Yifei LU, Liting ZHOU, Shujun HUANG
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Abstract
A dual-membrane on-line generator for an acid or alkali solution is provided, including an upper electrolytic cell body (3), a middle electrolytic cell body (4) and a lower electrolytic cell body (5) which are clamped by an upper fastening steel plate (1) and a lower fastening steel plate (2), an upper regeneration liquid channel (A), a middle eluent channel (B) and a lower regeneration liquid channel (C) being provided on the middle electrolytic cell body (4).
Claims10
A dual-membrane on-line generator for an acid or alkali solution, comprising an upper fastening steel plate (1), a lower fastening steel plate (2), an upper electrolytic cell body (3), a middle electrolytic cell body (4) and a lower electrolytic cell body (5), wherein the upper electrolytic cell body (3), the middle electrolytic cell body (4) and the lower electrolytic cell body (5) are clamped in sequence by the upper fastening steel plate (1) and the lower fastening steel plate (2), and upper and lower corners of the upper fastening steel plate (1) and the lower fastening steel plate (2) are fastened with fastening screws (11);
- wherein,
- an upper regeneration liquid channel (A), a middle eluent channel (B) and a lower regeneration liquid channel (C) are arranged on the middle electrolytic cell body (4);
- two openings are provided on both sides of the upper regeneration liquid channel (A), and are respectively used as an upper regeneration liquid channel inlet (14) and an upper regeneration liquid channel outlet (15), and openings of the upper regeneration liquid channel inlet (14) and the upper regeneration liquid channel outlet (15) are respectively arranged on the upper fastening steel plate (1), a cathode electrode (12) is arranged in the upper regeneration liquid channel (A), and the other end of the cathode electrode (12) is arranged on the upper fastening steel plate (1);
- the middle eluent channel (B) is a hollow channel, two openings are provided on both sides of the middle eluent channel (B), and are respectively used as a middle eluent channel inlet (16) and a middle eluent channel outlet (17), and openings of the middle eluent channel inlet (16) and the middle eluent channel outlet (17) are respectively arranged on both sides of the middle electrolytic cell body (4);
- two openings are provided on both sides of in the lower regeneration liquid channel (C), and are respectively used as a lower regeneration liquid channel inlet (18) and a lower regeneration liquid channel outlet (19), and openings of the lower regeneration liquid channel inlet (18) and the lower regeneration liquid channel outlet (19) are respectively arranged on the lower fastening steel plate (2), an anode electrode (13) is arranged in the lower regeneration liquid channel (C), and the other end of the anode electrode (13) is arranged on the lower fastening steel plate (2);
- a porous cathode sheet (6), a first cation exchange membrane (701) and a bipolar membrane (8) are provided between the upper regeneration liquid channel (A) and the middle eluent channel (B);
- a porous anode sheet (10) and a second cation exchange membrane (702) are provided between the middle eluent channel (B) and the lower regeneration liquid channel (C);
- upstream pure water enters through the middle eluent channel inlet (16), and flows out from the middle eluent channel outlet (17) after passing through the middle eluent channel (B);
- pure alkali regeneration liquid enters through the upper regeneration liquid channel inlet (14), and flows out from the upper regeneration liquid channel outlet (15) after passing through the upper regeneration liquid channel (A), and then enters through the lower regeneration liquid channel inlet (18), flows out from the lower regeneration liquid channel outlet (19) after passing through the lower regeneration liquid channel (C), and flows back to regeneration liquid.
A dual-membrane on-line generator for an acid or alkali solution, comprising an upper fastening steel plate (1), a lower fastening steel plate (2), an upper electrolytic cell body (3), a middle electrolytic cell body (4) and a lower electrolytic cell body (5), wherein the upper electrolytic cell body (3), the middle electrolytic cell body (4) and the lower electrolytic cell body (5) are clamped in sequence by the upper fastening steel plate (1) and the lower fastening steel plate (2), and upper and lower corners of the upper fastening steel plate (1) and the lower fastening steel plate (2) are fastened with fastening screws (11);
- wherein,
- an upper regeneration liquid channel (A), a middle eluent channel (B) and a lower regeneration liquid channel (C) are arranged on the middle electrolytic cell body (4);
- two openings are provided on both sides of the upper regeneration liquid channel (A), and are respectively used as an upper regeneration liquid channel inlet (14) and an upper regeneration liquid channel outlet (15), and openings of the upper regeneration liquid channel inlet (14) and the upper regeneration liquid channel outlet (15) are respectively arranged on the upper fastening steel plate (1), an anode electrode (13) is arranged in the upper regeneration liquid channel (A), the anode electrode (13) adopts a porous platinum electrode structure, and the other end of the anode electrode (13) is arranged on the upper fastening steel plate (1);
- the middle eluent channel (B) is a hollow channel, two openings are provided on both sides of the middle eluent channel (B), and are respectively used as a middle eluent channel inlet (16) and a middle eluent channel outlet (17), and openings of the middle eluent channel inlet (16) and the middle eluent channel outlet (17) are respectively arranged on both sides of the middle electrolytic cell body (4);
- two openings are provided on both sides of in the lower regeneration liquid channel (C), and are respectively used as the lower regeneration liquid channel inlet (18) and the lower regeneration liquid channel outlet (19), and openings of the lower regeneration liquid channel inlet (18) and the lower regeneration liquid channel outlet (19) are respectively arranged on the lower fastening steel plate (2), a cathode electrode (12) is provided in the lower regenerating solution channel (C), the cathode electrode (12) adopts a porous platinum electrode structure, and the other end is arranged on the lower fastening steel plate (2);
- a porous anode sheet (10), a first anion exchange membrane (703) and a bipolar membrane (8) are provided between the upper regeneration liquid channel (A) and the middle eluent channel (B);
- a porous cathode sheet (6) and a second anion exchange membrane (704) are provided between the middle eluent channel (B) and the lower regeneration liquid channel (C);
- upstream pure water enters through the middle eluent channel inlet (16), and flows out from the middle eluent channel outlet (17) after passing through the middle eluent channel (B);
- pure acid regeneration liquid enters through the upper regeneration liquid channel inlet (14), and flows out from the upper regeneration liquid channel outlet (15) after passing through the upper regeneration liquid channel (A), and then enters through the lower regeneration liquid channel inlet (18), flows out from the lower regeneration liquid channel outlet (19) after passing through the lower regeneration liquid channel (C), and flows back to regeneration liquid.
Dependencies are inferred from the claim text.