CN216336757U

CN216336757U - Industrial salt-containing wastewater electrolytic treatment device

Info

Publication number: CN216336757U
Application number: CN202122347387.6U
Authority: CN
Inventors: 王建红; 郭立涛
Original assignee: Hongze Jiangsu Technology Co ltd
Current assignee: Hongze Jiangsu Technology Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-04-19
Anticipated expiration: 2031-09-27

Abstract

The utility model relates to the technical field of electrolytic cells, in particular to an electrolytic treatment device for industrial salt-containing wastewater, which comprises a cathode box, wherein a cathode liquid inlet pipe is arranged at the upper end of one side of the cathode box, a plurality of groups of symmetrically arranged cathode nets are arranged in the cathode box, a gap is reserved between each group of cathode nets, the bottom of the cathode box is connected with an installation bottom plate, a plurality of groups of anode plates are vertically fixed on the installation bottom plate, a hydrogen outlet pipe is arranged at the upper end of the other side of the cathode box, a cell cover is connected with the upper end of the cathode box, and a chlorine outlet pipe is arranged at the top of the cell cover; the treatment device for the salt-containing wastewater is used for treating the recovered salt water containing organic matters, reducing the organic matters in the wastewater as much as possible, achieving a better treatment effect on the salt-containing wastewater, reducing the content of impurities after treatment, reducing the amount of evaporated water and reducing the energy consumption, and effectively improving the performance and the service life of the device and an ionic membrane.

Description

Industrial salt-containing wastewater electrolytic treatment device

Technical Field

The utility model relates to the technical field of electrolytic cells, in particular to an electrolytic treatment device for industrial salt-containing wastewater.

Background

At present, the popular treatment technologies of organic waste salt in China mainly include waste liquid incineration, high-temperature carbonization salt washing and high-temperature apron incineration, the phenomenon that melting and wall sticking easily occur, intermittent operation of equipment cannot be continuously carried out, the added salt washing process needs secondary evaporation, and secondary solid waste and waste water are generated while a large amount of energy is consumed. The methods are difficult to completely remove organic matters, and are easy to cause partial organic components to be converted into organic matters in a more complex form, the treated salt cannot enter industries with higher requirements on salt such as ion caustic soda and the like, and the traditional production method of waste salt has the following defects:

1. high impurity content and high production cost;

2. the equipment is seriously corroded, the amount of evaporated water is large, and the energy consumption is high;

3. the TOC content in refined brine exceeds 10ppm, which seriously affects the performance and service life of the ionic membrane.

In view of this, we propose an industrial salt-containing wastewater electrolysis treatment device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electrolytic treatment device for industrial salt-containing wastewater, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an industry contains salt waste water electrolysis process processing apparatus, includes the cathode box, one side upper end of cathode box is provided with negative pole feed liquor pipe, the inside range of cathode box has the negative pole net that the multiunit symmetry set up, all leaves the clearance between every group negative pole net, the bottom of cathode box is connected with mounting plate, and the vertical fixation has the multiunit anode plate on the mounting plate, the anode plate all inlays in the clearance between corresponding every group negative pole net, mounting plate's lower extreme both sides all are fixed with the bottom plate and support, the opposite side upper end of cathode box is provided with the hydrogen exit tube, this side lower extreme of cathode box is connected with the fluid-discharge tube, and the one end that the cathode box was kept away from to the fluid-discharge tube can be dismantled and be connected with the negative pole drain pipe, the upper end of cathode box is connected with the cell lid, and the top of cell lid is provided with the chlorine exit tube.

Preferably, a first sealing gasket is arranged at the edge of the joint of the groove cover and the cathode box, and a second sealing gasket is arranged at the edge of the joint of the cathode box and the mounting bottom plate.

Preferably, the liquid discharge pipe and the cathode liquid outlet pipe are detachably connected through a metal screw thread, and a sealing rubber ring is arranged on an inner ring of the metal screw thread.

Preferably, the bottom plate supports all are "worker" word shape, the upper end both sides that the bottom plate supported all are provided with the card angle, mounting plate's lower extreme both sides all are provided with the draw-in groove with card angle looks adaptation, the bottom plate supports all to inlay through the card angle inlay card in the draw-in groove that corresponds and is fixed with mounting plate.

Preferably, the anode plate all is "T" word shape, all set up the anode plate perforation with anode plate riser looks adaptation on the mounting plate, the riser of anode plate all passes corresponding anode plate perforation, the horizontal plate part of anode plate all welded fastening is at the lower extreme of mounting plate.

Compared with the prior art, the utility model has the beneficial effects that: the treatment device for the salt-containing wastewater is used for treating the recovered salt water containing organic matters, reducing the organic matters in the wastewater as much as possible, achieving a better treatment effect on the salt-containing wastewater, reducing the content of impurities after treatment, reducing the amount of evaporated water and reducing the energy consumption, and effectively improving the performance and the service life of the device and an ionic membrane.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic top view of a cathode box of the present invention;

FIG. 4 is a schematic view of the connection of the anode plate and the mounting base plate according to the present invention.

In the figure: the device comprises a cathode box 1, a cathode liquid inlet pipe 101, a cathode mesh 102, a hydrogen outlet pipe 103, a tank cover 2, a chlorine outlet pipe 201, a first sealing gasket 202, an installation bottom plate 3, an anode plate 301, a second sealing gasket 302, a clamping groove 303, an anode plate perforation 304, a bottom plate support 4, a clamping corner 401, a liquid discharge pipe 5, a cathode liquid outlet pipe 501 and a metal screw 502.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an electrolytic treatment device for industrial salt-containing wastewater comprises a cathode box 1, wherein a cathode liquid inlet pipe 101 is arranged at the upper end of one side of the cathode box 1, the cathode liquid inlet pipe 101 is used for injecting salt-containing wastewater, a plurality of groups of symmetrically arranged cathode nets 102 are arranged in the cathode box 1, a gap is reserved between each group of cathode nets 102, the bottom of the cathode box 1 is connected with an installation bottom plate 3, a plurality of groups of anode plates 301 are vertically fixed on the installation bottom plate 3, the anode plates 301 are all in an inverted T shape, anode plate through holes 304 matched with the anode plates 301 are formed in the installation bottom plate 3, the vertical plates of the anode plates 301 penetrate through the corresponding anode plate through holes 304, and the transverse plate parts of the anode plates 301 are welded and fixed at the lower end of the installation bottom plate 3;

the anode plates 301 are embedded in the gaps between each corresponding group of the cathode nets 102, the number of the groups of the cathode nets 102 is equal to that of the anode plates 301, the number can be determined according to actual needs, the distribution distance between the two adjacent groups of the anode plates 301 is equal, the cathode nets 102 can use a combination of nets and membranes, the membranes can adopt special PFX-PLUS membranes for electrolyzing waste salt solution, the content of organic matters in brine can be controlled at 100-4000 PPm, the permeability of the PFX-PLUS can be recovered by cleaning and regeneration, organic matters TOC in the brine are not needed, and the content of calcium and magnesium in the brine can be controlled at 200-4000 ppb;

both sides of the lower end of the mounting bottom plate 3 are fixed with bottom plate supports 4, and the upper end of the other side of the cathode box 1 is provided with a hydrogen outlet pipe 103 for discharging hydrogen generated by electrolysis in the cathode box 1;

the lower end of the side of the cathode box 1 is connected with a liquid discharge pipe 5, one end of the liquid discharge pipe 5, which is far away from the cathode box 1, is detachably connected with a cathode liquid outlet pipe 501, the cathode liquid outlet pipe 501 is used for discharging waste water after electrolysis, the upper end of the cathode box 1 is connected with a tank cover 2, and the top of the tank cover 2 is provided with a chlorine outlet pipe 201 for discharging chlorine generated by electrolysis in the cathode box 1;

further, a first sealing gasket 202 is arranged at the edge of the joint of the groove cover 2 and the cathode box 1 and used for sealing the joint between the groove cover 2 and the cathode box 1; the edge of the joint of the cathode box 1 and the mounting base plate 3 is provided with a second gasket 302 for sealing the joint between the cathode box 1 and the mounting base plate 3.

Furthermore, the liquid discharge pipe 5 is detachably connected with the cathode liquid discharge pipe 501 through a metal screw 502, a sealing rubber ring is arranged on the inner ring of the metal screw 502, and the metal screw 502 is used for connection, so that the liquid discharge pipe 5 and the cathode liquid discharge pipe 501 are convenient to detach, replace and clean.

Further, bottom plate support 4 all is "worker" word shape, bottom plate support 4's upper end both sides all are provided with card angle 401, mounting plate 3's lower extreme both sides all are provided with the draw-in groove 303 with card angle 401 looks adaptation, bottom plate support 4 all is fixed with mounting plate 3 in the draw-in groove 303 that corresponds through card angle 401 inlay card, accessible welding is fixed when bottom plate support 4 inlay card is in draw-in groove 303, the stability that bottom plate support 4 supported has been improved, also can not adopt welded fastening, be convenient for dismantle the bottom plate support 4 that damages and change.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The electrolytic treatment device for industrial salt-containing wastewater comprises a cathode box (1) and is characterized in that a cathode liquid inlet pipe (101) is arranged at the upper end of one side of the cathode box (1), a plurality of groups of symmetrically arranged cathode nets (102) are arranged in the cathode box (1), a gap is reserved between each group of cathode nets (102), the bottom of the cathode box (1) is connected with a mounting bottom plate (3), a plurality of groups of anode plates (301) are vertically fixed on the mounting bottom plate (3), the anode plates (301) are respectively clamped and embedded in the gap between each corresponding group of cathode nets (102), bottom plate supports (4) are respectively fixed on two sides of the lower end of the mounting bottom plate (3), a hydrogen outlet pipe (103) is arranged at the upper end of the other side of the cathode box (1), a lower end of the cathode box (1) is connected with a cathode liquid outlet pipe (5), and one end of the cathode liquid outlet pipe (5), which is far away from the cathode box (1), is detachably connected with a cathode liquid outlet pipe (501), the upper end of the cathode box (1) is connected with a tank cover (2), and the top of the tank cover (2) is provided with a chlorine outlet pipe (201).

2. The electrolytic treatment device for industrial salt-containing wastewater according to claim 1, characterized in that: the edge of the joint of the groove cover (2) and the cathode box (1) is provided with a first sealing gasket (202), and the edge of the joint of the cathode box (1) and the mounting base plate (3) is provided with a second sealing gasket (302).

3. The electrolytic treatment device for industrial salt-containing wastewater according to claim 1, characterized in that: the liquid discharge pipe (5) is detachably connected with the cathode liquid outlet pipe (501) through a metal screw thread (502), and a sealing rubber ring is arranged on the inner ring of the metal screw thread (502).

4. The electrolytic treatment device for industrial salt-containing wastewater according to claim 1, characterized in that: bottom plate support (4) all are "worker" word shape, the upper end both sides of bottom plate support (4) all are provided with card angle (401), the lower extreme both sides of mounting plate (3) all are provided with draw-in groove (303) with card angle (401) looks adaptation, bottom plate support (4) all are fixed with mounting plate (3) in draw-in groove (303) that correspond through card angle (401) inlay card.

5. The electrolytic treatment device for industrial salt-containing wastewater according to claim 1, characterized in that: the anode plate (301) all is "T" word shape of falling, all set up the perforated (304) of anode plate with anode plate (301) riser looks adaptation on mounting plate (3), the corresponding perforated (304) of anode plate is all passed to the riser of anode plate (301), the equal welded fastening of diaphragm portion of anode plate (301) is at the lower extreme of mounting plate (3).