Efficient wet oxidation treatment equipment for organic wastewater

Abstract

The utility model belongs to the field of organic wastewater, particularly relates to efficient wet oxidation treatment equipment for organic wastewater, and provides the following scheme aiming at the problems that the existing treatment equipment can only simply filter impurities, is poor in treatment effect, and is short in contact time with liquid medicine, so that the reaction is insufficient, and the efficient wet oxidation treatment equipment comprises a treatment box, the central position of the bottom of the treatment box is fixedly communicated with a drainage pipe, the top of one side of the treatment box is fixedly communicated with a water inlet pipe, the top of one side, far away from the water inlet pipe, of the treatment box is fixedly communicated with a flocculant feeding pipe, and a rotating cylinder rotatably penetrates through the top of the treatment box. Through a dual mechanism of mechanical stirring and premixing and remixing, full contact and rapid reaction of wastewater and a medicament are ensured, the treatment efficiency is improved, dual functions of stirring and premixing are realized by utilizing gear transmission and reciprocating motion of a threaded rod, the equipment complexity is reduced, and the space utilization rate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of organic wastewater, in particular to a high-efficiency wet oxidation treatment device for organic wastewater. Background Art

[0002] Catalytic wet air oxidation technology (CWAO) is a process that introduces a catalyst under wet air oxidation (WAO) conditions to lower the reaction temperature and pressure conditions, thereby promoting the thorough mineralization of organic matter. It is particularly suitable for treating high-concentration, toxic and harmful, and difficult-to-degrade organic wastewater that is difficult to biochemically treat. It is currently one of the most effective means of treating difficult-to-degrade organic wastewater.

[0003] Before catalytic wet oxidation, the input wastewater needs to be treated, but the existing treatment equipment can only perform simple impurity filtration, the treatment effect is poor, and the contact time with the drug solution is short, resulting in incomplete reaction. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the existing treatment equipment in the prior art, which can only perform simple impurity filtration, have poor treatment effect, and have a short contact time with the liquid medicine, resulting in insufficient reaction, and to propose a high-efficiency organic wastewater wet oxidation treatment equipment.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A high-efficiency wet oxidation treatment device for organic wastewater comprises a treatment box, wherein the bottom center of the treatment box is fixedly connected to a drain pipe, the top of one side of the treatment box is fixedly connected to a water inlet pipe, the top of the treatment box away from the water inlet pipe is fixedly connected to a flocculant injection pipe, the top of the treatment box is rotatably penetrated by a rotating drum, the interior of the rotating drum is rotatably penetrated by a liquid medicine inlet pipe, the bottom of the rotating drum is fixedly connected to two symmetrically arranged vertical plates, the bottoms of the two vertical plates are fixedly connected to the same reciprocating threaded rod, and the outer wall of the reciprocating threaded rod is provided with a premixing assembly for premixing wastewater;

[0007] A remixing assembly for remixing wastewater is provided at the bottom of the reciprocating threaded rod;

[0008] A driving assembly for driving the rotating drum to rotate is provided on the top of the processing box.

[0009] In one possible design, the premixing assembly includes a threaded sleeve threadedly mounted on the outer wall of a reciprocating threaded rod, the outer wall of the threaded sleeve is fixedly sleeved with a truncated cone block, a circular hole is provided inside the truncated cone block, and the outer wall of the threaded sleeve is provided with a plurality of notches, which are connected to the circular holes.

[0010] In one possible design, the remixing assembly includes a connecting rod fixedly connected to the bottom of the reciprocating threaded rod, the bottom of the connecting rod is fixedly connected to a stirring shaft, and the outer wall of the stirring shaft is fixedly connected to a plurality of stirring blades.

[0011] In one possible design, the drive assembly includes a servo motor fixedly connected to the top of the processing box, the output shaft of the servo motor extends into the interior of the processing box and is fixedly connected to a first gear, and the outer wall of the rotating cylinder is fixedly sleeved with a second gear, which is engaged with the first gear.

[0012] In a possible design, a baffle is fixedly connected to the bottom of the frustum block, and the baffle is slidably connected to the inner wall of the treatment box. The baffle is used to block the flocculant input pipe and the water inlet pipe.

[0013] In a possible design, a spherical plate is fixedly connected to the middle position of the top of the reciprocating threaded rod. The spherical plate is located directly below the liquid medicine inlet pipe and is used to prevent liquid medicine from accumulating.

[0014] In a possible design, legs are fixedly connected to the four corners of the bottom of the processing box, and a valve is provided on the drain pipe.

[0015] In the present application, when in use, wastewater is fed into the interior of the treatment box through the water inlet pipe, and the liquid medicine is fed into the interior of the device through the liquid medicine inlet pipe to react with the wastewater. At the same time, the flocculant is fed into the interior of the treatment box through the flocculant feeding pipe, which can help precipitate impurities in the wastewater.

[0016] The servo motor can be started, and the output shaft of the servo motor drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the rotating drum to rotate, the rotating drum drives the two vertical plates to rotate, the vertical plates drive the reciprocating threaded rods to rotate, the reciprocating threaded rods drive the connecting rods to rotate, the connecting rods drive the stirring shaft to rotate, and the stirring shaft drives the multiple stirring blades to rotate. At this time, the wastewater and the liquid medicine can be mixed to improve the reaction time and effect. After the reaction is completed, the valve is opened and the liquid medicine is sent to the wet oxidation treatment mechanism. The wet oxidation treatment mechanism has the same structure as the wet oxidation treatment mechanism in a high-concentration organic phosphorus wastewater wet oxidation treatment system with announcement number CN217947856U, which includes a preheater, a heat exchanger, a mixing pump, a reactor, a first condenser, a second condenser and a gas-liquid separator connected in sequence;

[0017] And when the reciprocating threaded rod rotates, it can drive the external threaded sleeve to move up and down, the threaded sleeve drives the frustum block to move up and down, and the frustum block drives the baffle to move up and down. At this time, the wastewater, liquid medicine and flocculant can be contacted and mixed in advance to achieve pre-mixing. When the threaded sleeve gradually moves downward and the notch moves to one side of the connecting rod, the pre-mixed wastewater will be discharged through the circular hole to achieve re-mixing to ensure the reaction effect. Beneficial effects

[0018] In the present invention, the high-efficiency wet oxidation treatment equipment for organic wastewater can achieve the effect of pre-mixing by pre-mixing the wastewater, the liquid medicine and the flocculant, thereby reducing the mixing time and improving the reaction efficiency.

[0019] In the present invention, the high-efficiency wet oxidation treatment equipment for organic wastewater can achieve the effect of remixing the pre-mixed wastewater through the remixing component, thereby improving the reaction time and effect;

[0020] In this utility model,

[0021] Efficient mixing: The dual mechanism of mechanical stirring and pre-mixing and re-mixing ensures sufficient contact and rapid reaction between wastewater and chemicals, thereby improving treatment efficiency.

[0022] Ingenious design: Utilizing gear transmission and the reciprocating motion of the threaded rod, it achieves the dual functions of stirring and pre-mixing, reducing equipment complexity and improving space utilization.

[0023] Easy to operate: just start the servo motor to complete the entire mixing process, easy to operate and easy to maintain.

[0024] Good reaction effect: through multiple mixing, the impurities in the wastewater can react with the reagent more effectively, the precipitation effect is better, and the quality of wastewater treatment is improved.

[0025] Strong adaptability: The device can adjust the dosage of reagents and stirring intensity according to different wastewater types and treatment requirements, and has strong adaptability and flexibility.

[0026] In summary, the wastewater treatment device of the present application achieves high efficiency, automation and high quality of wastewater treatment through innovative design and optimized workflow, and has high application value and promotion prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a three-dimensional structural diagram of a high-efficiency organic wastewater wet oxidation treatment equipment proposed by the utility model;

[0028] Figure 2 This is a schematic diagram of the internal structure of a high-efficiency organic wastewater wet oxidation treatment equipment proposed by the utility model;

[0029] Figure 3 This is a schematic diagram of the explosion structure of the baffle and the frustum block in a high-efficiency wet oxidation treatment device for organic wastewater proposed in the utility model;

[0030] Figure 4This is a three-dimensional structural schematic diagram of the stirring shaft and servo motor in a high-efficiency organic wastewater wet oxidation treatment equipment proposed in the utility model.

[0031] In the figure: 1. treatment box; 2. drainage pipe; 3. support leg; 4. water inlet pipe; 5. servo motor; 6. liquid medicine inlet pipe; 7. rotating drum; 8. flocculant injection pipe; 9. stirring blade; 10. reciprocating threaded rod; 11. baffle; 12. frustum block; 13. threaded sleeve; 14. notch; 15. first gear; 16. vertical plate; 17. stirring shaft; 18. second gear; 19. connecting rod; 20. spherical plate; 21. round hole. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Example

[0033] Reference Figure 1-4The top of the treatment box 1 is fixed with a drain pipe 2, and the top of one side of the treatment box 1 is fixed with a water inlet pipe 4. The top of the treatment box 1 away from the water inlet pipe 4 is fixed with a flocculant injection pipe 8. The top of the treatment box 1 is rotatably penetrated by a rotating drum 7, and the interior of the rotating drum 7 is rotatably penetrated by a liquid medicine inlet pipe 6. The top middle position of the reciprocating threaded rod 10 is fixedly connected with a spherical plate 20. The spherical plate 20 is located just below the liquid medicine inlet pipe 6 and is used to prevent liquid medicine from accumulating. When in use, wastewater is fed into the treatment box 1 through the water inlet pipe 4, and the liquid medicine is fed into the device through the liquid medicine inlet pipe 6 for reacting with the wastewater. At the same time, the flocculant is fed into the treatment box 1 through the flocculant injection pipe 8, which can help precipitate impurities in the wastewater. The bottom of the rotating drum 7 is fixedly connected with two symmetrically arranged vertical plates 16, and the bottoms of the two vertical plates 16 are fixedly connected with the same reciprocating threaded rod 10. The outer wall of the reciprocating threaded rod 10 is provided with a pre-mixing assembly for pre-mixing the wastewater. The pre-mixing assembly includes a threaded sleeve 13 threadedly sleeved on the outer wall of the reciprocating threaded rod 10. The outer wall of the threaded sleeve 13 is fixedly sleeved with a truncated cone block 12. A circular hole 21 is opened inside the truncated cone block 12. A plurality of notches 14 are opened on the outer wall of the threaded sleeve 13. The notches 14 are connected to the circular holes 21. A baffle 11 is fixedly connected to the bottom of the truncated cone block 12. The baffle 11 is slidably connected to the inner wall of the treatment box 1. The baffle 11 is used to The flocculant injection pipe 8 and the water inlet pipe 4 are blocked, and when the reciprocating threaded rod 10 rotates, the external threaded sleeve 13 can be driven to move up and down, the threaded sleeve 13 drives the frustum block 12 to move up and down, and the frustum block 12 drives the baffle 11 to move up and down. At this time, the wastewater, the liquid medicine and the flocculant can be contacted and mixed in advance to achieve pre-mixing. When the threaded sleeve 13 gradually moves downward, so that the notch 14 moves to one side of the connecting rod 19, the pre-mixed wastewater will be discharged through the circular hole 21 to achieve re-mixing to ensure the reaction effect;

[0034] A remixing assembly for remixing the wastewater is provided at the bottom of the reciprocating threaded rod 10, and the remixing assembly includes a connecting rod 19 fixedly connected to the bottom of the reciprocating threaded rod 10, the bottom of the connecting rod 19 is fixedly connected to a stirring shaft 17, and a plurality of stirring blades 9 are fixedly connected to the outer wall of the stirring shaft 17. The rotating cylinder 7 drives the two vertical plates 16 to rotate, the vertical plates 16 drive the reciprocating threaded rod 10 to rotate, the reciprocating threaded rod 10 drives the connecting rod 19 to rotate, the connecting rod 19 drives the stirring shaft 17 to rotate, and the stirring shaft 17 drives the plurality of stirring blades 9 to rotate. At this time, the wastewater and the liquid medicine can be mixed, and the reaction time and effect are improved. After the reaction is completed, the valve is opened and the liquid medicine is sent to the wet oxidation treatment mechanism. The wet oxidation treatment mechanism has the same structure as the wet oxidation treatment mechanism in a high-concentration organic phosphorus wastewater wet oxidation treatment system with announcement number CN217947856U, which includes a preheater, a heat exchanger, a mixing pump, a reactor, a first condenser, a second condenser and a gas-liquid separator connected in sequence;

[0035] A driving assembly for driving the rotating drum 7 to rotate is provided on the top of the processing box 1. The driving assembly includes a servo motor 5 fixedly connected to the top of the processing box 1. The output shaft of the servo motor 5 extends to the interior of the processing box 1 and is fixedly connected to a first gear 15. A second gear 18 is fixedly sleeved on the outer wall of the rotating drum 7. The second gear 18 is engaged with the first gear 15 to start the servo motor 5. The output shaft of the servo motor 5 drives the first gear 15 to rotate. The first gear 15 drives the second gear 18 to rotate. The second gear 18 drives the rotating drum 7 to rotate. Example

[0036] refer to Figure 1-4 , improved on the basis of Example 1: the four corners of the bottom of the processing box 1 are fixedly connected with supporting legs 3, and a valve is provided on the drain pipe 2.

[0037] However, as is well known to those skilled in the art, the working principles and wiring methods of the servo motor 5 and the wet oxidation treatment mechanism are commonplace, and are conventional means or common knowledge, so they will not be elaborated here. Those skilled in the art can make any selections according to their needs or convenience.

[0038] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-efficiency wet oxidation treatment equipment for organic wastewater, characterized in that: include: A treatment box (1), wherein the center position of the bottom of the treatment box (1) is fixedly connected to a drainage pipe (2), the top of one side of the treatment box (1) is fixedly connected to a water inlet pipe (4), the top of the side of the treatment box (1) away from the water inlet pipe (4) is fixedly connected to a flocculant injection pipe (8), the top of the treatment box (1) is rotatably penetrated by a rotating cylinder (7), the interior of the rotating cylinder (7) is rotatably penetrated by a liquid inlet pipe (6), the bottom of the rotating cylinder (7) is fixedly connected to two symmetrically arranged vertical plates (16), the bottoms of the two vertical plates (16) are fixedly connected to the same reciprocating threaded rod (10), and the outer wall of the reciprocating threaded rod (10) is provided with a premixing component for premixing wastewater; A remixing assembly for remixing wastewater is provided at the bottom of the reciprocating threaded rod (10); A driving assembly for driving the rotating drum (7) to rotate is provided on the top of the processing box (1).

2. The high-efficiency wet oxidation treatment equipment for organic wastewater according to claim 1, characterized in that: The premixing assembly comprises a threaded sleeve (13) threadedly sleeved on the outer wall of a reciprocating threaded rod (10); a truncated cone block (12) is fixedly sleeved on the outer wall of the threaded sleeve (13); a circular hole (21) is provided inside the truncated cone block (12); and a plurality of notches (14) are provided on the outer wall of the threaded sleeve (13); the notches (14) are communicated with the circular holes (21).

3. The high-efficiency wet oxidation treatment equipment for organic wastewater according to claim 1, characterized in that: The remixing assembly comprises a connecting rod (19) fixedly connected to the bottom of the reciprocating threaded rod (10), the bottom of the connecting rod (19) is fixedly connected to a stirring shaft (17), and the outer wall of the stirring shaft (17) is fixedly connected to a plurality of stirring blades (9).

4. The high-efficiency wet oxidation treatment equipment for organic wastewater according to claim 1, characterized in that: The driving assembly comprises a servo motor (5) fixedly connected to the top of the processing box (1), an output shaft of the servo motor (5) extending into the interior of the processing box (1) and fixedly connected to a first gear (15), and a second gear (18) is fixedly sleeved on the outer wall of the rotating cylinder (7), and the second gear (18) is meshed with the first gear (15).

5. The high-efficiency wet oxidation treatment equipment for organic wastewater according to claim 2, characterized in that: A baffle (11) is fixedly connected to the bottom of the truncated cone block (12), and the baffle (11) is slidably connected to the inner wall of the treatment box (1). The baffle (11) is used to block the flocculant input pipe (8) and the water inlet pipe (4).

6. The high-efficiency wet oxidation treatment equipment for organic wastewater according to claim 1, characterized in that: A spherical plate (20) is fixedly connected to the middle position of the top of the reciprocating threaded rod (10). The spherical plate (20) is located directly below the liquid medicine inlet pipe (6) and is used to prevent liquid medicine from accumulating.

7. The high-efficiency wet oxidation treatment equipment for organic wastewater according to claim 1, characterized in that: The four corners of the bottom of the treatment box (1) are fixedly connected with supporting legs (3), and a valve is provided on the drainage pipe (2).

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