Uniform liquid inlet structure of electrolytic bath

Abstract

The uniform liquid inlet structure comprises the electrolytic bath and a liquid inlet header pipe, the liquid inlet header pipe is located at one end of the electrolytic bath, a liquid distributor is arranged on the electrolytic bath, the whole structure of the liquid distributor is a special-shaped reducing pipeline structure, and the liquid inlet header pipe is arranged at one end of the thick-opening pipe diameter of the liquid distributor. The aperture of the liquid distributor is gradually reduced along the axis direction away from the liquid inlet header pipe; a plurality of liquid outlet nozzles are uniformly distributed on the outer wall of the liquid distributor along the axis direction; according to the utility model, the liquid distributor of which the overall structure is the special-shaped reducing pipeline is arranged for ensuring that the pressure at the liquid outlet nozzles on the liquid distributor is equal, so that the liquid outlet quantity of the liquid outlet nozzles and the flow velocity of the liquid can be kept consistent, and the problems of non-uniform liquid outlet flow and non-uniform liquid distribution are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of nonferrous metallurgy, in particular to a uniform liquid inlet structure for an electrolytic cell. Background Art

[0002] In the existing copper electrolysis technology, the circulation of copper electrolyte, whether it is top-in and bottom-out, bottom-in and top-out, or other circulation methods, the electrolyte distribution is basically to set a number of liquid outlets on the pipeline structure. In actual production practice, the liquid outlet close to the liquid inlet main pipe has a large flow rate, while the liquid outlet far away from the liquid inlet main pipe has a small flow rate, resulting in uneven electrolyte circulation in the electrolytic cell, concentration polarization in the area with small liquid flow rate, and ultimately leading to quality problems of cathode copper.

[0003] The patent with application number CN202020875588.6 discloses a panel and a parallel flow electrolytic cell using the same. The panel is formed with flanging screw holes and reinforcing ribs by stamping. The electrolytic cell includes a cell body. The side wall of the inner cavity of the cell body is provided with a liquid supply mechanism. The liquid supply mechanism includes a liquid supply channel and a plurality of horizontally arranged nozzles. A flushing port is provided at one end of the liquid supply channel, and a slag discharge port is provided at the other end of the liquid supply channel.

[0004] At the same time, there are other methods in the prior art that provide liquid outlets on circular pipes to transport electrolyte to the electrolytic cell. Regardless of whether the pipes are provided on the side or bottom of the electrolytic cell in the above two methods, the flow rate / flow rate of each liquid outlet is still uneven.

[0005] Therefore, we propose a uniform liquid inlet structure for the electrolytic cell. Utility Model Content

[0006] In order to solve the above problems existing in the prior art, the utility model provides a uniform liquid inlet structure for an electrolytic cell.

[0007] The technical solution of the utility model is as follows:

[0008] The invention discloses a uniform liquid inlet structure for an electrolytic cell, comprising an electrolytic cell and a liquid inlet main pipe, wherein the liquid inlet main pipe is located at one end of the electrolytic cell, a liquid distributor is provided on the electrolytic cell, the structure of the liquid distributor is an overall special-shaped variable diameter pipe structure, the liquid inlet main pipe is provided at one end of the liquid distributor with a thick pipe diameter, the diameter of the liquid distributor gradually decreases along the axial direction away from the liquid inlet main pipe; a plurality of liquid outlet nozzles are uniformly arranged on the outer wall of the liquid distributor along the axial direction.

[0009] Preferably, a liquid distributor embedded groove is provided on the side wall of the electrolytic cell, and the liquid distributor is detachably installed in the liquid distributor embedded groove.

[0010] Preferably, a positioning plate with a bolt hole is provided on the liquid distributor, and the liquid distributor is fixed inside the embedded groove of the liquid distributor by bolts passing through the bolt holes, and the bolts are threadedly fixed to the wall of the electrolytic cell.

[0011] Preferably, the liquid distributor may be in the shape of a trapezoid or a truncated cone.

[0012] Preferably, the liquid spraying orifices of the liquid outlets have the same diameter.

[0013] The utility model has the following beneficial effects: the utility model provides a liquid distributor whose overall structure is a special-shaped variable-diameter pipe, which is used to ensure that the pressure at the liquid outlet on the liquid distributor is equal, thereby ensuring that the liquid output from the liquid outlet and the flow rate of the liquid can be kept consistent, avoiding the problems of uneven liquid flow rate and uneven liquid distribution. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the device structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the installation position of the utility model;

[0016] Figure 3 It is a cross-sectional view of the utility model.

[0017] The reference numerals in the figure are as follows:

[0018] 1. Electrolytic cell; 2. Liquid distributor; 3. Embedded slot of liquid distributor; 4. Liquid inlet main pipe; 5. Bolt hole; 6. Electrolytic cell wall; 7. Liquid outlet nozzle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 3 A uniform liquid inlet structure for an electrolytic cell comprises an electrolytic cell 1 and a liquid inlet main pipe 4, wherein the liquid inlet main pipe 4 is located at one end of the electrolytic cell 1, and a liquid distributor 2 is provided on the electrolytic cell 1. The structure of the liquid distributor 2 is an overall special-shaped variable-diameter pipe structure, and the liquid inlet main pipe 4 is provided at one end of the thick-mouthed pipe of the liquid distributor 2. The diameter of the liquid distributor 2 gradually decreases along the axial direction away from the liquid inlet main pipe 4; a plurality of liquid outlet nozzles 7 are uniformly arranged on the outer wall of the liquid distributor 2 along the axial direction.

[0021] Furthermore, a liquid distributor embedded groove 3 is provided on the side wall of the electrolytic cell 1, and the liquid distributor 2 is detachably installed in the liquid distributor embedded groove 3.

[0022] Furthermore, a positioning plate with a bolt hole 5 is provided on the liquid distributor 2, and the liquid distributor 2 is fixed inside the liquid distributor inner groove 3 by bolts passing through the bolt hole 5, and the bolts are threadedly fixed to the electrolytic cell wall 6.

[0023] Furthermore, the liquid distributor 2 may be in the shape of a trapezoid or a truncated cone.

[0024] Furthermore, the liquid outlet nozzles 7 have the same diameter.

[0025] The working principle of this utility model:

[0026] In the present invention, firstly, a copper electrolytic cell 1 with stable and balanced quality is adopted to avoid the situation that the quality of the cell head and the cell position are inconsistent. Then, a liquid distributor embedded groove 3 is opened on the side wall of the electrolytic cell 1. Inside the liquid distributor embedded groove 3, a liquid distributor 2 is detachably installed by bolts. In this embodiment, a positioning piece with a bolt hole 5 is provided on the liquid distributor 2. The liquid distributor 2 is fixed to the inside of the liquid distributor embedded groove 3 by bolts passing through the bolt holes 5. The bolts are threadedly fixed to the electrolytic cell wall 6, so as to facilitate disassembly, replacement and installation. At the same time, the structure of the liquid distributor 2 is The overall structure is a special-shaped variable-diameter pipe structure, and in this embodiment, the liquid distributor 2 can be a trapezoidal body or a frustum, which is used to ensure that the pressure at the liquid outlet on the liquid distributor is equal, thereby ensuring that the liquid outlet volume and the flow rate of the liquid can remain consistent, avoiding the problems of uneven liquid flow rate and uneven liquid distribution; the liquid inlet main pipe 4 is opened at one end of the thick-mouthed pipe diameter of the liquid distributor 2, and the diameter of the liquid distributor 2 gradually decreases along the axial direction away from the liquid inlet main pipe 4; a plurality of liquid outlet nozzles 7 are evenly arranged on the outer wall of the liquid distributor 2 along the axial direction, and the liquid outlet nozzles 7 have the same size of liquid spraying diameter.

[0027] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A uniform liquid inlet structure for an electrolytic cell, comprising an electrolytic cell (1) and a liquid inlet main pipe (4), wherein the liquid inlet main pipe (4) is located at one end of the electrolytic cell (1), Features: The electrolytic cell (1) is provided with a liquid distributor (2), the structure of the liquid distributor (2) as a whole being a special-shaped variable diameter pipe structure, a liquid inlet main pipe (4) is provided at one end of the thick-mouthed pipe of the liquid distributor (2), and the diameter of the liquid distributor (2) gradually decreases along the axial direction away from the liquid inlet main pipe (4); a plurality of liquid outlet nozzles (7) are evenly arranged on the outer wall of the liquid distributor (2) along the axial direction.

2. The electrolytic cell uniform liquid inlet structure according to claim 1, Features: A liquid distributor embedded groove (3) is provided on the side wall of the electrolytic cell (1), and the liquid distributor (2) can be detachably installed in the liquid distributor embedded groove (3).

3. The electrolytic cell uniform liquid inlet structure according to claim 2, Features: The liquid distributor (2) is provided with a positioning plate with a bolt hole (5), and the liquid distributor (2) is fixed inside the liquid distributor inner groove (3) by means of bolts passing through the bolt holes (5), and the bolts are threadedly fixed to the electrolytic cell wall (6).

4. The electrolytic cell uniform liquid inlet structure according to claim 1, Features: The liquid distributor (2) may be in the form of a trapezoid or a truncated cone.

5. The electrolytic cell uniform liquid inlet structure according to claim 1, Features: The liquid outlet nozzles (7) have the same diameter of the liquid outlet nozzles.

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