Advanced oxidation device for wastewater

Abstract

The utility model discloses an advanced wastewater oxidation device which comprises an oxidation pond, a first oxygen mixing component and a second oxygen mixing component are respectively mounted in the oxidation pond, a fixed seat is mounted at the top of the oxidation pond, an oxygen dividing pipe covers the surface of the fixed seat, and the end part of the oxygen dividing pipe is fixedly connected with an ozone pipe; an ozone generator is mounted at the end of the ozone pipe; the second oxygen mixing assembly comprises a branch pipe fixedly arranged at the bottom of the oxygen distributing pipe, the bottom of the branch pipe is inserted into the movable pipe, and meanwhile the branch pipe and the movable pipe are movably connected through a sealing bearing. According to the advanced wastewater oxidation device, the upper rotating disc and the lower rotating disc rotate, so that the upper stirring blades and the lower stirring blades rotate, wastewater in the oxidation pond can be stirred, ozone and the wastewater can be fully and uniformly mixed, and the reaction sufficiency between the ozone and the wastewater is improved; and a series of problems caused by incapability of uniform contact between ozone and sewage can be avoided.

Description

Technical Field

[0001] The utility model relates to the field of advanced oxidation of wastewater, in particular to an advanced oxidation device for wastewater. Background Art

[0002] The principle of advanced oxidation of wastewater is to utilize the strong oxidizing property of generated hydroxyl radicals to oxidatively degrade organic matter and remove heavy metals, or as a pre-oxidation process, strengthen conventional processes such as coagulation, improve the biodegradability of wastewater, etc., and decolorize, deodorize and disinfect in the deep treatment process;

[0003] Advanced oxidation processes mainly include ozone oxidation, electrochemical catalytic oxidation, wet oxidation technology, etc. Among them, ozone oxidation uses ozone as an oxide to degrade organic matter in wastewater; electrochemical catalytic oxidation uses free radicals generated by electrochemical reactions to degrade organic pollutants; wet oxidation technology oxidizes and decomposes organic pollutants in wastewater under high temperature and high pressure conditions;

[0004] During the implementation of the ozone oxidation method, when the ozone generated by the ozone generator enters the sewage pool and contacts the sewage, it cannot be in uniform contact with the sewage, and the following problems are prone to occur:

[0005] 1. Insufficient ozone concentration in some areas results in the inability to fully oxidize and degrade organic matter, affecting the overall treatment efficiency and effect, and may not achieve the expected level of pollutant removal;

[0006] 2. Uneven contact will cause the wastewater treatment effect to be better in some areas, while the treatment effect in other areas is poor, resulting in incomplete local treatment and unstable effluent water quality;

[0007] 3. In areas where ozone and wastewater have good contact, ozone may have fully reacted, but in areas where contact is poor, ozone is not effectively utilized, resulting in ozone waste and increased treatment costs. Utility Model Content

[0008] The purpose of the utility model is to provide a wastewater advanced oxidation device to solve the defects mentioned in the above background technology.

[0009] To achieve the above object, a wastewater advanced oxidation device is provided, comprising an oxidation tank, wherein a first oxygen mixing component and a second oxygen mixing component are respectively installed inside the oxidation tank, and a fixing seat is installed on the top of the oxidation tank, and the surface of the fixing seat is covered with an oxygen distribution pipe, and the end of the oxygen distribution pipe is fixedly connected to an ozone pipe, and an ozone generator is installed at the end of the ozone pipe;

[0010] The second oxygen mixing assembly includes a branch pipe fixedly arranged at the bottom of the oxygen distribution pipe, and the bottom of the branch pipe is inserted into the inside of the movable pipe. At the same time, the branch pipe and the movable pipe are movably connected through a sealed bearing, and an upper turntable and a lower turntable are respectively installed at the bottom of the movable pipe.

[0011] Preferably, the fixing seat is a "U"-shaped structure made of metal material, and the two ends of the fixing seat are respectively screwed and fixed on the two sides of the oxidation tank, and a straight-shaped opening is opened in the middle of the fixing seat.

[0012] Preferably, accommodating holes are installed on both sides of the surface of the fixing seat, and movable tubes are movably installed inside the two groups of accommodating holes.

[0013] Preferably, the upper turntable and the lower turntable at the bottom of the movable tube are arranged in parallel, and both the upper turntable and the lower turntable are circular structures, and the upper turntable and the lower turntable are hollow.

[0014] Preferably, three groups of upper stirring blades are evenly arranged on the outer circumference of the upper turntable, and the cross-sections of the upper stirring blades and the lower stirring blades are both "C"-shaped, and three groups of lower stirring blades are evenly arranged on the outer circumference of the lower turntable.

[0015] Preferably, three groups of reaction force tubes are evenly arranged at the outer circumferential positions of the lower turntable, and the reaction force tubes are connected to the ozone tube through the lower turntable, the movable tube, the branch tube, the oxygen distribution tube, and the three groups of reaction force tubes are centrally symmetrical structures about the movable tube.

[0016] Compared with the prior art, the beneficial effect of the utility model is that the reaction force pipes at the bottom of the first oxygen mixing component and the second oxygen mixing component spray ozone gas, and under the action of the reaction, the upper turntable and the lower turntable rotate, and the upper stirring blades and the lower stirring blades rotate, which can stir the wastewater inside the oxidation tank, so that ozone and wastewater can be fully and evenly mixed, thereby improving the sufficiency of the reaction between ozone and wastewater, and avoiding a series of problems caused by the inability to have uniform contact between ozone and sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view schematic diagram of the structure of the utility model;

[0018] Figure 2 The utility model structure Figure 1 Bottom view of

[0019] Figure 3 The utility model structure Figure 1 A top view of

[0020] Figure 4 This is a schematic diagram of the bottom connection structure of the structural movable pipe of the utility model.

[0021] Numbers in the figure: 1, oxidation tank; 2, ozone tube; 3, oxygen distribution pipe; 4, fixed seat; 40, opening; 5, first oxygen mixing component; 6, second oxygen mixing component; 61, branch pipe; 62, movable pipe; 63, upper turntable; 64, lower turntable; 65, reaction force pipe; 66, upper stirring blade; 67, lower stirring blade. DETAILED DESCRIPTION

[0022] See also Figure 1-4 The utility model provides a wastewater advanced oxidation device, comprising an oxidation pool 1, wherein a first oxygen mixing component 5 and a second oxygen mixing component 6 are respectively installed inside the oxidation pool 1, and a fixing seat 4 is installed on the top of the oxidation pool 1, and the surface of the fixing seat 4 is covered with an oxygen distribution pipe 3, and the end of the oxygen distribution pipe 3 is fixedly connected with an ozone pipe 2, and an ozone generator is installed at the end of the ozone pipe 2;

[0023] The second oxygen mixing assembly 6 includes a branch pipe 61 fixedly arranged at the bottom of the oxygen distribution pipe 3, and the bottom of the branch pipe 61 is inserted into the inside of the movable pipe 62. At the same time, the branch pipe 61 and the movable pipe 62 are movably connected through a sealed bearing, and an upper turntable 63 and a lower turntable 64 are respectively installed at the bottom of the movable pipe 62.

[0024] Working principle: When in use, ozone enters the first oxygen mixing component 5 and the second oxygen mixing component 6 respectively from the ozone tube 2, the oxygen distribution tube 3 and the two groups of branch pipes 61. The reaction force tube 65 at the bottom of the first oxygen mixing component 5 and the second oxygen mixing component 6 sprays ozone gas. Under the action of the reaction, the upper turntable 63 and the lower turntable 64 rotate, and the upper stirring blades 66 and the lower stirring blades 67 rotate, which can stir the wastewater inside the oxidation tank 1, so that the ozone and the wastewater can be fully and evenly mixed, thereby improving the sufficiency of the reaction between ozone and wastewater, and avoiding a series of problems caused by the inability to have uniform contact between ozone and sewage.

[0025] As a preferred embodiment, the fixing seat 4 is a "U"-shaped structure made of metal material, and the two ends of the fixing seat 4 are respectively screwed and fixed on the two sides of the oxidation tank 1, and a straight opening 40 is opened in the middle of the fixing seat 4.

[0026] Accommodation holes are installed on both sides of the surface of the fixing seat 4, and movable tubes 62 are movably installed inside the two groups of accommodation holes.

[0027] As a preferred embodiment, the upper turntable 63 and the lower turntable 64 at the bottom of the movable tube 62 are arranged in parallel, and both the upper turntable 63 and the lower turntable 64 are circular structures, and the upper turntable 63 and the lower turntable 64 are hollow.

[0028] Three groups of upper stirring blades 66 are evenly arranged on the outer circumferential position of the upper turntable 63, and the cross-sections of the upper stirring blades 66 and the lower stirring blades 67 are both "C"-shaped. Three groups of lower stirring blades 67 are evenly arranged on the outer circumferential position of the lower turntable 64. The lowermost end of the movable tube 62 is movably inserted into the receiving groove opened on the bottom surface of the oxidation tank.

[0029] The rotational stirring work of the lower turntable 64 and the upper turntable 63 cannot be achieved with the help of a driving source, but can be achieved by using the reaction force of ozone sprayed from the three sets of reaction force tubes 65. The stirring blades on the lower turntable 64 and the upper turntable 63 can stir the wastewater to promote the mixing reaction between the wastewater and ozone.

[0030] Three groups of reaction force tubes 65 are evenly arranged at the outer circumferential position of the lower turntable 64, and the reaction force tubes 65 are connected with the ozone tube 2 through the lower turntable 64, the movable tube 62, the branch pipe 61, the oxygen distribution tube 3, and the three groups of reaction force tubes 65 are centrally symmetrical structures about the movable tube 62.

Claims

1. A wastewater advanced oxidation device, comprising an oxidation tank (1), characterized in that: The first oxygen mixing component (5) and the second oxygen mixing component (6) are respectively installed inside the oxidation pool (1), and a fixing seat (4) is installed on the top of the oxidation pool (1), and the surface of the fixing seat (4) is covered with an oxygen distribution pipe (3), and the end of the oxygen distribution pipe (3) is fixedly connected to the ozone pipe (2), and an ozone generator is installed at the end of the ozone pipe (2); The second oxygen mixing assembly (6) comprises a branch pipe (61) fixedly arranged at the bottom of the oxygen distribution pipe (3), and the bottom of the branch pipe (61) is inserted into the interior of the movable pipe (62), and the branch pipe (61) and the movable pipe (62) are movably connected via a sealing bearing, and an upper rotating disk (63) and a lower rotating disk (64) are respectively installed at the bottom of the movable pipe (62).

2. A wastewater advanced oxidation device according to claim 1, characterized in that: The fixing seat (4) is a "U"-shaped structure made of metal material, and the two ends of the fixing seat (4) are respectively screwed and fixed on the two sides of the oxidation tank (1), and a straight-line opening (40) is provided in the middle of the fixing seat (4).

3. A wastewater advanced oxidation device according to claim 1, characterized in that: Accommodation holes are installed on both sides of the surface of the fixing seat (4), and movable tubes (62) are movably installed inside the two groups of accommodation holes.

4. A wastewater advanced oxidation device according to claim 1, characterized in that: The upper turntable (63) and the lower turntable (64) at the bottom of the movable tube (62) are arranged in parallel, and both the upper turntable (63) and the lower turntable (64) are circular structures, and the upper turntable (63) and the lower turntable (64) are hollow.

5. A wastewater advanced oxidation device according to claim 1, characterized in that: Three groups of upper stirring blades (66) are evenly arranged at the outer circumferential position of the upper turntable (63), and the cross-sections of the upper stirring blades (66) and the lower stirring blades (67) are both arranged in a "C" shape. Three groups of lower stirring blades (67) are evenly arranged at the outer circumferential position of the lower turntable (64).

6. A wastewater advanced oxidation device according to claim 5, characterized in that: Three groups of reaction force tubes (65) are evenly arranged at circumferential positions on the outer side of the lower rotating disk (64), and the reaction force tubes (65) are connected to the ozone tube (2) through the lower rotating disk (64), the movable tube (62), the branch tube (61), and the oxygen distribution tube (3). At the same time, the three groups of reaction force tubes (65) are centrally symmetrical structures with respect to the movable tube (62).

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