Capacitive deionization wastewater treatment device

Abstract

The capacitive deionization wastewater treatment device comprises a treatment box, a mounting plate and an electrode assembly, the left side and the right side of the treatment box are provided with a water inlet and a water outlet respectively, the top of the treatment box is provided with the mounting plate which is detachably connected, the surface of the mounting plate is fixedly connected with a binding post, and the electrode assembly is arranged in the treatment box. The electrode assembly is fixedly connected to the lower surface of the mounting plate, the electrode assembly comprises positive electrodes, negative electrodes and a conductive seat, the conductive seat is fixedly connected to the lower surface of the mounting plate, a plurality of evenly-distributed inserting grooves are formed in the surface of the conductive seat, and the positive electrodes and the negative electrodes are sequentially distributed in a staggered mode from left to right; and the positive electrode and the negative electrode are respectively connected with the plug-in grooves in a plug-in manner. According to the utility model, the electrode assembly is arranged in the treatment box, so that ionization treatment is conveniently carried out on wastewater flowing through the electrode assembly, metal ions with charges in the wastewater are adsorbed and removed by utilizing an electric field between the positive electrode and the negative electrode, and the convenience of wastewater treatment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment equipment, in particular to a capacitor deionization wastewater treatment device. Background Art

[0002] In recent years, with the rapid development of economic industries and the increase in production capacity of the chemical industry, the discharge of chemical wastewater has increased year by year. Chemical wastewater has the characteristics of high organic concentration, difficult biodegradation of pollutants, large water volume, and frequent changes in water quality. The discharge of chemical wastewater will cause irreversible damage to the environment. Through ordinary biochemical methods, it is difficult to achieve standard treatment of water quality. Chemical wastewater has the characteristics of large changes in water volume and quality, poor biodegradability, difficult degradation, and complex and diverse pollutants. Generally, appropriate pretreatment methods are adopted according to the actual water quality of the wastewater, such as flocculation, micro-electrolysis, adsorption, photocatalysis and other processes to destroy the difficult-to-degrade organic matter in the wastewater and improve the biodegradability of the wastewater, and then combined with biochemical methods, such as ABR, SBR, contact oxidation process, A / O process, etc., to treat chemical wastewater.

[0003] At present, when treating wastewater, chemical methods are usually used to remove metal ions in wastewater. On the one hand, the waiting time for chemical reaction is long, which reduces the efficiency of wastewater treatment. On the other hand, multiple treatments are required after adding chemical agents, which increases the treatment steps of wastewater and brings inconvenience to wastewater treatment. Therefore, a capacitor deionization wastewater treatment device is proposed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the existing technology, the utility model provides a capacitor deionization wastewater treatment device, which solves the problem that chemical reactions are mostly used in the existing wastewater treatment process, resulting in low treatment efficiency and more treatment steps. By arranging an electrode assembly inside the treatment box, it is convenient to ionize the wastewater flowing through the electrode assembly, and utilize the electric field between the positive electrode and the negative electrode to adsorb and remove charged metal ions in the wastewater, thereby improving the convenience and efficiency of wastewater treatment.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a capacitor deionization wastewater treatment device, comprising a treatment box, a mounting plate and an electrode assembly, the left and right sides of the treatment box are respectively provided with a water inlet and a drain outlet, the top of the treatment box is provided with a detachably connected mounting plate, the surface of the mounting plate is fixedly connected with a terminal, the interior of the treatment box is provided with an electrode assembly, the electrode assembly is fixedly connected to the lower surface of the mounting plate, the electrode assembly comprises a positive electrode, a negative electrode and a conductive seat, the conductive seat is fixedly connected to the lower surface of the mounting plate, the surface of the conductive seat is provided with a plurality of evenly distributed plug-in slots, the positive electrode and the negative electrode are alternately distributed from left to right, and the positive electrode and the negative electrode are respectively plug-connected to the plug-in slots.

[0008] As a further preferred embodiment of the present invention, a mounting groove is provided on the top of the processing box, a stepped groove is provided at the edge of the mounting groove, and a threaded hole is provided on the surface of the stepped groove.

[0009] As a further preferred embodiment of the present invention, an insulating lining is fixedly connected to the inner wall of the treatment box, and a valve body is fixedly connected to the surface of the water inlet and the drain outlet.

[0010] As a further preferred embodiment of the present invention, a conductive sheet is fixedly connected to the interior of the plug slot, and a raised contact sheet is provided on the surface of the conductive sheet.

[0011] As a further preferred embodiment of the present invention, the positive electrode and the negative electrode have the same structure, a sliding seat is provided on the top of the positive electrode, and the sliding seat is embedded in the plug-in slot and slidably connected to the plug-in slot.

[0012] As a further preferred embodiment of the present invention, a threaded column is provided at the lower end of the terminal post, and the threaded column penetrates the mounting plate and is fixedly connected to the conductive seat.

[0013] (III) Beneficial effects

[0014] The utility model provides a capacitor deionization wastewater treatment device, which has the following beneficial effects:

[0015] The utility model provides an electrode assembly inside the treatment box, which facilitates ionization treatment of wastewater flowing through the electrode assembly, utilizes the electric field between the positive electrode and the negative electrode to adsorb and remove charged metal ions in the wastewater, thereby improving the convenience and efficiency of wastewater treatment, and provides a detachable mounting plate on the top of the treatment box, which facilitates disassembly and maintenance of the electrode assembly, thereby improving ease of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the capacitor deionization wastewater treatment device of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the capacitor deionization wastewater treatment device of the utility model from a top view;

[0018] Figure 3 This is a structural schematic diagram of the end face of the capacitor deionization wastewater treatment device of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the electrode assembly of the utility model.

[0020] In the figure: processing box-1, mounting plate-2, electrode assembly-3, water inlet-4, drain outlet-5, terminal post-6, positive electrode-7, negative electrode-8, conductive seat-9, plug-in slot-10, mounting slot-11, step slot-12, threaded hole-13, insulating lining-14, valve body-15, conductive sheet-16, contact sheet-17, sliding seat-18, threaded column-19. DETAILED DESCRIPTION

[0021] 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 in 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.

[0022] See also Figure 1-4 The utility model embodiment provides a technical solution: a capacitor deionization wastewater treatment device, comprising a treatment box 1, a mounting plate 2 and an electrode assembly 3, wherein the left and right sides of the treatment box 1 are respectively provided with a water inlet 4 and a drain outlet 5, the top of the treatment box 1 is provided with a detachably connected mounting plate 2, the surface of the mounting plate 2 is fixedly connected with a terminal 6, the interior of the treatment box 1 is provided with an electrode assembly 3, the electrode assembly 3 is fixedly connected to the lower surface of the mounting plate 2, the electrode assembly 3 comprises a positive electrode 7, a negative electrode 8 and a conductive seat 9, the conductive seat 9 is fixedly connected to the lower surface of the mounting plate 2, the surface of the conductive seat 9 is provided with a plurality of evenly distributed plug-in slots 10, the positive electrode 7 and the negative electrode 8 are alternately distributed from left to right, and the positive electrode 7 and the negative electrode 8 are respectively plug-in connected to the plug-in slots 10.

[0023] As a further improvement, a mounting groove 11 is provided on the top of the processing box 1, a stepped groove 12 is provided at the edge of the mounting groove 11, and a threaded hole 13 is provided on the surface of the stepped groove 12. By providing a mounting groove 11 with a stepped groove 12 on the top of the processing box 1, it is convenient to embed the mounting plate 2 into the mounting groove 11 for limiting the position, thereby improving the stability of the connection between the mounting plate 2 and the processing box 1.

[0024] As a further improvement, an insulating lining 14 is fixedly connected to the inner wall of the treatment box 1, and a valve body 15 is fixedly connected to the surfaces of the water inlet 4 and the drain outlet 5. By fixing the insulating lining 14 inside the treatment box 1, it is possible to effectively avoid the surface of the treatment box 1 from being charged, thereby improving the safety of wastewater treatment. By fixing the valve body 15 on the surfaces of the water inlet 4 and the drain outlet 5, it is convenient to control the flow rate of the wastewater and facilitate the treatment of the wastewater.

[0025] As a further improvement, a conductive sheet 16 is fixedly connected to the inside of the plug-in slot 10, and a raised contact sheet 17 is provided on the surface of the conductive sheet 16. By providing a conductive sheet 16 with a contact sheet 17 inside the plug-in slot 10, the stability of the connection between the positive electrode 7, the negative electrode 8 and the conductive seat 9 is improved, and the efficiency of power transmission is improved.

[0026] As a further improvement, the positive electrode 7 and the negative electrode 8 have the same structure, and a sliding seat 18 is provided on the top of the positive electrode 7. The sliding seat 18 is embedded in the plug-in slot 10 and is slidably connected to the plug-in slot 10. By fixing the sliding seat 18 on the top of the positive electrode 7 and the negative electrode 8, the stability of the connection between the positive electrode 7, the negative electrode 8 and the conductive seat 9 is improved, and disassembly, assembly and maintenance are facilitated.

[0027] Specifically, a threaded column 19 is provided at the lower end of the terminal 6, and the threaded column 19 passes through the mounting plate 2 and is fixedly connected to the conductive seat 9. By providing a threaded terminal 6 on the surface of the mounting plate 2, it is convenient to fix the conductive seat 9 to the mounting plate 2 and to connect the cable.

[0028] When the utility model is in use, the treatment box 1 is installed in the path of wastewater discharge. The wastewater flows into the interior of the treatment box 1 through the water inlet 4, and flows out through the drain port 5 after passing through the electrode assembly 3. The cable is connected to the terminal 6 to facilitate the formation of an electric field between the positive electrode 7 and the negative electrode 8. In the process of the wastewater flowing through the electrode assembly 3, the charged ions in the wastewater are adsorbed and removed by the positive electrode 7 or the negative electrode 8, thereby improving the efficiency of wastewater treatment.

[0029] Problem to be solved by the utility model: When treating wastewater, chemical methods are usually used to remove metal ions in the wastewater. On the one hand, the waiting time for chemical reaction is long, which reduces the efficiency of wastewater treatment. On the other hand, multiple treatments are required after the chemical agents are added, which increases the treatment steps of the wastewater and brings inconvenience to the wastewater treatment. The utility model provides an electrode assembly 3 inside the treatment box 1, so as to facilitate ionization treatment of the wastewater flowing through the electrode assembly 3, and utilizes the electric field between the positive electrode 7 and the negative electrode 8 to adsorb and remove the charged metal ions in the wastewater, thereby improving the convenience and efficiency of wastewater treatment. By providing a detachable mounting plate 2 on the top of the treatment box 1, the electrode assembly 3 can be easily disassembled and maintained, thereby improving the convenience of use.

[0030] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0032] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A capacitor deionization wastewater treatment device, comprising a treatment box (1), a mounting plate (2) and an electrode assembly (3), characterized in that: The left and right sides of the treatment box (1) are respectively provided with a water inlet (4) and a water outlet (5); the top of the treatment box (1) is provided with a detachably connected mounting plate (2); the surface of the mounting plate (2) is fixedly connected with a terminal (6); the interior of the treatment box (1) is provided with an electrode assembly (3); the electrode assembly (3) is fixedly connected to the lower surface of the mounting plate (2); the electrode assembly (3) comprises a positive electrode (7), a negative electrode (8) and a conductive seat (9); the conductive seat (9) is fixedly connected to the lower surface of the mounting plate (2); the surface of the conductive seat (9) is provided with a plurality of evenly distributed plug-in slots (10); the positive electrodes (7) and the negative electrodes (8) are alternately distributed from left to right; the positive electrodes (7) and the negative electrodes (8) are respectively plug-connected to the plug-in slots (10).

2. A capacitor deionization wastewater treatment device according to claim 1, characterized in that: The top of the processing box (1) is provided with a mounting groove (11), the edge of the mounting groove (11) is provided with a stepped groove (12), and the surface of the stepped groove (12) is provided with a threaded hole (13).

3. A capacitor deionization wastewater treatment device according to claim 1, characterized in that: An insulating lining (14) is fixedly connected to the inner wall of the treatment box (1), and a valve body (15) is fixedly connected to the surface of the water inlet (4) and the water outlet (5).

4. A capacitor deionization wastewater treatment device according to claim 1, characterized in that: A conductive sheet (16) is fixedly connected to the interior of the plug-in slot (10), and a protruding contact sheet (17) is provided on the surface of the conductive sheet (16).

5. The capacitor deionization wastewater treatment device according to claim 1, characterized in that: The positive electrode (7) and the negative electrode (8) have the same structure. A sliding seat (18) is provided on the top of the positive electrode (7). The sliding seat (18) is embedded in the plug-in slot (10) and is slidably connected to the plug-in slot (10).

6. A capacitor deionization wastewater treatment device according to claim 1, characterized in that: A threaded column (19) is provided at the lower end of the terminal post (6), and the threaded column (19) penetrates the mounting plate (2) and is fixedly connected to the conductive seat (9).

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