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US-20260125295-A1 - ELECTROLYTIC BATH

US20260125295A1US 20260125295 A1US20260125295 A1US 20260125295A1US-20260125295-A1

Abstract

An electrolytic bath comprising a plurality of cells, wherein each of the cells includes a pair of electrodes, a pair of partition walls, and a pair of frames, the plurality of cells includes a stacked body in which one electrode and one partition wall are alternately arranged, and includes a first flow inlet that allows raw water to flow into a first treatment space including a first electrode, a second flow inlet that allows raw water to flow into a second treatment space including a second electrode, a first flow outlet, a second flow outlet, a first inflow path, a second inflow path, a first outflow path, and a second outflow path, and a buffer inflow path connected to the first inflow path and the second inflow path in a stacking direction of the stacked body is further provided.

Inventors

  • Mai ISONO
  • Naoki Shibata

Assignees

  • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Dates

Publication Date
20260507
Application Date
20230907
Priority Date
20220930

Claims (12)

  1. 1 . An electrolytic bath comprising a plurality of cells that electrolyzes water, wherein each of the cells includes a pair of electrodes, a pair of partition walls, and a pair of frames that supports the electrodes and the partition walls, the plurality of cells includes a stacked body in which one electrode and one partition wall are alternately arranged, and includes a first flow inlet that allows raw water to flow into a first treatment space including a first electrode, a second flow inlet that allows raw water to flow into a second treatment space including a second electrode, a first flow outlet that allows treated water having passed through the first treatment space to flow out, a second flow outlet that allows treated water having passed through the second treatment space to flow out, a first inflow path facing the first flow inlet, a second inflow path facing the second flow inlet, a first outflow path facing the first flow outlet, and a second outflow path facing the second flow outlet, and a buffer inflow path connected to the first inflow path and the second inflow path in a stacking direction of the stacked body is further provided.
  2. 2 . The electrolytic bath according to claim 1 , wherein the buffer inflow path includes a first buffer inflow path connected to the first inflow path in the stacking direction and a second buffer inflow path connected to the second inflow path in the stacking direction.
  3. 3 . The electrolytic bath according to claim 1 , wherein the stacked body further includes a first buffer outflow path connected to the first outflow path in the stacking direction and a second buffer outflow path connected to the second outflow path in the stacking direction.
  4. 4 . The electrolytic bath according to claim 3 , further comprising: a first case having the buffer inflow path; and a second case having the first buffer outflow path and the second buffer outflow path, wherein the first case and the second case are attached to the stacked body.
  5. 5 . The electrolytic bath according to claim 4 , wherein the first case is attached to a first main surface of the stacked body, and the second case is attached to a second main surface of the stacked body, the second main surface facing the first main surface.
  6. 6 . The electrolytic bath according to claim 1 , wherein a first direction from the first flow inlet to the first flow outlet and a second direction from the second flow inlet to the second flow outlet intersect each other when viewed along the stacking direction.
  7. 7 . The electrolytic bath according to claim 1 , wherein each of the first inflow path, the second inflow path, the first outflow path, and the second outflow path extends in the stacking direction.
  8. 8 . The electrolytic bath according to claim 1 , wherein an end of each of the electrodes in the flow inlet of the stacked body is located closer to a center of the stacked body than an end of each of the frames constituting the flow inlet.
  9. 9 . The electrolytic bath according to claim 1 , further comprising an inflow port that communicates with the buffer inflow path, wherein a sectional area of the buffer inflow path is larger than a sectional area of an internal flow path of the inflow port.
  10. 10 . The electrolytic bath according to claim 1 , wherein the flow inlet has a plurality of flow inlets spaced apart in the stacking direction, an end of each of the frames constituting the plurality of flow inlets has a first end having a first R shape and a second end located downstream of the first end and having a second R shape, and a curvature radius of the first R shape is larger than a curvature radius of the second R shape.
  11. 11 . The electrolytic bath according to claim 1 , wherein the flow inlet has a plurality of flow inlets spaced apart in the stacking direction, an end of each of the frames constituting the plurality of flow inlets has a first end having a first inclined surface and a second end located downstream of the first end and having a second inclined surface, and an inclination angle of the first inclined surface is larger than an inclination angle of the second inclined surface.
  12. 12 . The electrolytic bath according to claim 1 , wherein an obstacle is inserted into a region downstream of the first inflow path or the second inflow path in the stacked body.

Description

TECHNICAL FIELD The present invention relates to an electrolytic bath. BACKGROUND ART Conventionally, there has been known an electrolyzed water generator that includes an electrolytic bath having an anode chamber and a cathode chamber partitioned by a partition wall, and electrolyzes raw water introduced into the electrolytic bath to generate electrolytic hydrogen water (see, for example, Patent Document 1). The electrolytic bath of the electrolyzed water generator disclosed in Patent Document 1 is a multipolar electrolytic bath configured by stacking a plurality of cells. PRIOR ART DOCUMENT Patent Document Patent Document 1: JP-A-2021-195596 SUMMARY OF THE INVENTION Problems to Be Solved by the Invention However, when raw water flows in the plurality of cells, distribution occurs in internal pressure and flow rate, and thus, there is a possibility that variation in flow rate among the cells increases, and electrolytic performance deteriorates. Therefore, an object of the present invention is to solve the above problems, and to provide an electrolytic bath with improved electrolytic performance. Solutions to the Problems In order to achieve the above object, an electrolytic bath of the present disclosure includes a plurality of cells that electrolyzes water, in which each of the cells includes a pair of electrodes, a pair of partition walls, and a pair of frames that supports the electrodes and the partition walls, the plurality of cells includes a stacked body in which one electrode and one partition wall are alternately arranged, and includes a first flow inlet that allows raw water to flow into a first treatment space including a first electrode, a second flow inlet that allows raw water to flow into a second treatment space including a second electrode, a first flow outlet that allows treated water having passed through the first treatment space to flow out, a second flow outlet that allows treated water having passed through the second treatment space to flow out, a first inflow path facing the first flow inlet, a second inflow path facing the second flow inlet, a first outflow path facing the first flow outlet, and a second outflow path facing the second flow outlet, and a buffer inflow path connected to the first inflow path and the second inflow path in a stacking direction of the stacked body is further provided. Effects of the Invention The electrolytic bath of the present invention can improve the electrolytic performance. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an electrolytic bath according to an embodiment. FIG. 2 is a perspective view of the electrolytic bath according to the embodiment. FIG. 3 is a front view of the electrolytic bath according to the embodiment. FIG. 4 is an exploded perspective view of the electrolytic bath according to the embodiment. FIG. 5 is an exploded perspective view of the electrolytic bath according to the embodiment. FIG. 6 is a perspective view of a stacked body according to the embodiment. FIG. 7 is a perspective view of a cell constituting the stacked body according to the embodiment. FIG. 8 is a perspective view of the cell constituting the stacked body according to the embodiment. FIG. 9 is an exploded perspective view of the cell according to the embodiment. FIG. 10 is an exploded perspective view of the cell according to the embodiment. FIG. 11 is a longitudinal sectional view schematically showing an internal section of the stacked body according to the embodiment. FIG. 12 is a perspective view showing a longitudinal section including a first inflow port and a second outflow port of the electrolytic bath according to the embodiment. FIG. 13 is a perspective view showing a longitudinal section including a second inflow port and a first outflow port of the electrolytic bath according to the embodiment. FIG. 14 is an enlarged schematic longitudinal sectional view showing a first inflow path and a periphery of a first flow inlet according to the embodiment. FIG. 15 is an enlarged schematic longitudinal sectional view showing a second inflow path and a periphery of a second flow inlet according to the embodiment. FIG. 16 is a longitudinal sectional view schematically showing a structure of an end of a frame forming the first flow inlet in the embodiment. FIG. 17 is a longitudinal sectional view schematically showing a structure of an end of a frame forming the second flow inlet according to the embodiment. FIG. 18 is an enlarged schematic longitudinal sectional view showing a first flow outlet and a periphery of a first outflow path according to the embodiment. FIG. 19 is an enlarged schematic longitudinal sectional view showing a second flow outlet and a periphery of a second outflow path according to the embodiment. FIG. 20 is a longitudinal sectional view schematically showing a structure of an end of a frame forming the first flow outlet according to the embodiment. FIG. 21 is a longitudinal sectional view schematically showing a