Oxidation device for sewage treatment

Abstract

The utility model provides an oxidation device for sewage treatment, which comprises a purifier, the purifier comprises a sealing cylinder and a high-pressure oxygen pipe, an oxidation bin is arranged in the sealing cylinder, and the oxidation bin is communicated with a water inlet of the sealing cylinder; a stirring device and an oxygenation device are arranged in the oxidation bin; the driving device comprises a connecting cylinder, a rotating fan and a connecting shaft rod; the high-pressure oxygen pipe is communicated with the connecting cavity and used for blowing the rotating fan to rotate. The high-pressure oxygen blows the rotating fan to drive the stirring device to rotate and stir, so that sewage is firstly stirred after being introduced into the oxidation bin and then is subjected to oxidation treatment through the oxygenation device, pollutants in the sewage can be more sufficiently and uniformly oxidized, and sludge can be better deposited.

Description

Technical Field

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

[0002] With the increasing awareness of environmental protection and the importance of environmental protection, sewage treatment has received more and more attention. Sewage treatment processes are often diverse, among which oxidation treatment of sewage is one of the commonly used treatment methods, which is to oxidize the sewage by injecting a mixed gas of oxygen and ozone into it. However, in the current treatment process, due to the uneven distribution of internal substances in the sewage, the injected oxidizing gas is also unevenly distributed, which affects the effect and efficiency of the oxidation treatment.

[0003] In view of this, the applicant filed this application after studying the existing technology. Utility Model Content

[0004] The utility model provides an oxidation device for sewage treatment, aiming to improve at least one of the above technical problems.

[0005] To solve the above technical problems, the utility model provides an oxidation device for sewage treatment, including a purifier, characterized in that the purifier includes a sealing cylinder and a high-pressure oxygen pipe, an oxidation bin is arranged in the sealing cylinder, and the oxidation bin is connected to the water inlet of the sealing cylinder; a stirring device and an oxygenating device are arranged in the oxidation bin, the stirring device is arranged between the water inlet and the oxygenating device, the high-pressure oxygen pipe passes through the sealing cylinder and is connected to the input end of the oxygenating device, so as to inject oxygen into the oxidation bin through the oxygenating device; it also includes a driving device, the driving device includes a connecting cylinder, a rotating fan and a connecting shaft, a connecting cavity is arranged in the connecting cylinder, the rotating fan is rotatably connected in the connecting cavity, the stirring device is rotatably arranged on the outside of the connecting cylinder, and the connecting shaft is coaxially connected between the rotating fan and the stirring device; the high-pressure oxygen pipe is connected to the connecting cavity, and is used to blow the rotating fan to rotate. By using high-pressure oxygen as the driving source for the rotating stirring device, the sewage is passed into the oxidation chamber and then stirred and oxidized through the oxygenation device. This can more fully and evenly oxidize the pollutants in the sewage and make the sludge deposit better.

[0006] As a further optimization, the cross section of the oxidation bin is circular, and further comprises a fixing frame, which is fixed in the oxidation bin, and the connecting tube is coaxially fixed on the fixing frame. The fixing frame is connected to support the stirring device, so that its working process is more stable.

[0007] As a further optimization, the oxygenation device includes multiple annular tubes with different diameters, multiple connecting tubes and main tubes, the multiple annular tubes are coaxially arranged at intervals, the input end of the connecting tube is connected to the main tube, the output end is respectively connected to each annular tube, the main tube is connected to the connecting cavity; multiple air outlets are arranged at intervals around the inner end of the annular tube. By setting up multiple annular tubes, the sewage passing through can be oxygenated in different areas, and the oxygenation can be more sufficient.

[0008] As a further optimization, four connecting pipes are provided and are evenly arranged around the main pipe.

[0009] As a further optimization, a spacer cavity is further provided in the connecting tube, a connecting hole is provided between one side of the spacer cavity and the connecting cavity; a through hole is provided at the axial center position on the other side of the spacer cavity, and the through holes are respectively connected to the spacer cavity and the main pipe. The oxygen is passed from the center of the oxygenating device to the annular pipe through the spacer cavity, so that the pressure of oxygen is more balanced when entering the oxygenating device.

[0010] As a further optimization, the main pipe is coaxially arranged on the connecting tube.

[0011] As a further optimization, the stirring device includes a plurality of stirring rods and a rotating shaft, the stirring rods are evenly arranged around the outside of the rotating shaft, and the rotating shaft is coaxially fixedly connected to the connecting shaft.

[0012] By adopting the above technical solution, the utility model can achieve the following technical effects:

[0013] The present application provides an oxidation device for sewage treatment, including a purifier, the purifier including a sealing cylinder and a high-pressure oxygen tube, an oxidation chamber is arranged in the sealing cylinder, the oxidation chamber and the water inlet of the sealing cylinder are connected; a stirring device and an oxygenating device are arranged in the oxidation chamber; a driving device is also included, the driving device includes a connecting cylinder, a rotating fan and a connecting shaft; the high-pressure oxygen tube is connected to the connecting chamber, and is used to blow the rotating fan to rotate. The rotating fan is blown by high-pressure oxygen to drive the stirring device to rotate and stir, so that after the sewage enters the oxidation chamber, it is first stirred and then oxidized by the oxygenating device, which can make the pollutants in the sewage evenly distributed first, and then by evenly and fully filling the oxidizing gas into the sewage, the pollutants in the sewage can be more fully and evenly oxidized, so that the sludge is better deposited, and the treatment effect and efficiency are higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the structure of an oxidation device for sewage treatment according to the utility model;

[0016] Figure 2 This is a three-dimensional structural schematic diagram of an oxidation device for sewage treatment of the utility model;

[0017] Figure 3 It is a cross-sectional schematic diagram of an oxidation device for sewage treatment of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the oxygenating device and the stirring device of the utility model;

[0019] Markings in the figure: 1. Sealing cylinder; 2. High-pressure oxygen pipe; 3. Oxidation chamber; 4. Water inlet; 5. Connecting cylinder; 6. Rotating fan; 7. Connecting shaft; 8. Connecting chamber; 9. Stirring device; 10. Stirring rod; 11. Rotating shaft; 12. Fixed frame; 13. Annular pipe; 14. Connecting pipe; 15. Main pipe; 16. Air outlet; 17. Partition chamber; 18. Through hole; 19. Connecting hole. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the implementation mode of the utility model clearer, the technical scheme in the implementation mode of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation mode of the utility model. Obviously, the described implementation mode is a part of the implementation mode of the utility model, not all of the implementation modes. Based on the implementation mode in the utility model, all other implementation modes obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the implementation mode of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected implementation mode of the utility model. Based on the implementation mode in the utility model, all other implementation modes obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Depend on Figures 1 to 4As shown, the embodiment of the utility model provides an oxidation device for sewage treatment, including a purifier, the purifier includes a sealing cylinder 1 and a high-pressure oxygen tube 2, an oxidation bin 3 is arranged in the sealing cylinder 1, and the oxidation bin 3 is connected to the water inlet 4 of the sealing cylinder 1; a stirring device 9 and an oxygenating device are arranged in the oxidation bin 3, the stirring device 9 is arranged between the water inlet 4 and the oxygenating device, the high-pressure oxygen tube 2 passes through the sealing cylinder 1 and is connected to the input end of the oxygenating device, so that oxygen is injected into the oxidation bin 3 through the oxygenating device, wherein the injected oxygen can also be a mixed oxidation gas of ozone and oxygen, There are many options for the ratio, which will not be elaborated here; it also includes a driving device, which includes a connecting tube 5, a rotating fan 6 and a connecting shaft 7. A connecting chamber 8 is provided in the connecting tube 5, and the rotating fan 6 is rotatably connected in the connecting chamber 8. The stirring device 9 is rotatably arranged on the outside of the connecting tube 5, and the connecting shaft 7 is coaxially connected and arranged between the rotating fan 6 and the stirring device 9; the high-pressure oxygen tube 2 is connected to the connecting chamber 8, which is used to blow the rotating fan 6 to rotate. It should be noted that the air outlet port of the high-pressure oxygen tube 2 in the connecting chamber 8 is biased towards the blades of the rotating fan 6, so that it can be blown more fully. Gas is introduced into the connecting chamber 8 through the high-pressure oxygen tube 2 as a driving source to blow the blades of the rotating fan 6. The rotating shaft 11 is coaxially fixedly connected with the connecting shaft 7, so that when the rotating fan 6 rotates, it can drive the stirring device 9 located outside the connecting tube 5 to stir through the connecting shaft 7, wherein the stirring device 9 includes a plurality of stirring rods 10 and a rotating shaft 11. In this embodiment, there are four stirring rods 10, and the stirring rods 10 are evenly arranged on the outside of the rotating shaft 11. Therefore, the sewage entering the oxidation bin 3 from the water inlet 4 is first stirred evenly so that the sludge and other substances are evenly distributed, so that the sludge and other substances can be more fully oxidized when passing through the oxygenation device.

[0022] Preferably, the cross section of the oxidation bin 3 is circular, and further comprises a fixing frame 12, the fixing frame 12 is fixed in the oxidation bin 3, and the connecting tube 5 is coaxially fixed on the fixing frame 12. The inside of the oxidation bin 3 is circular, so that when the stirring device 9 is set in the middle position through the fixing frame 12, it can better perform sufficient stirring.

[0023] Preferably, the oxygenation device comprises a plurality of annular tubes 13 of different diameters, a plurality of connecting tubes 14 and a main tube 15, wherein the plurality of annular tubes 13 are coaxially arranged at intervals, the input end of the connecting tube 14 is connected to the main tube 15, and the output end is respectively connected to each annular tube 13, and the main tube 15 is connected to the connecting cavity 8; a plurality of air outlet holes 16 are arranged at intervals around the inner end of the annular tube 13. In order to allow the stirred sewage to be fully in contact with oxygen when passing through the oxygenation device, a plurality of annular tubes 13 are arranged, 3 in this embodiment, to oxygenate the sewage in different regions, and the oxidation is more complete.

[0024] Preferably, four connecting pipes 14 are provided and are evenly arranged around the main pipe 15. In order to allow oxygen to enter the annular pipe 13 more quickly and in a balanced manner, four connecting pipes 14 are used as connecting supports and as passages for oxygen to the annular pipe 13.

[0025] Furthermore, in order to make the oxygen enter the oxygenating device more evenly and balanced, a spacer cavity 17 is further provided in the connecting tube 5, and a connecting hole 19 is provided between one side of the spacer cavity 17 and the connecting cavity 8; a through hole 18 is provided at the axial position on the other side of the spacer cavity 17, and the through hole 18 is respectively connected to the spacer cavity 17 and the main pipe 15. After the oxygen enters the spacer cavity 17 from the connecting cavity 8 through the connecting hole 19, it will enter the main pipe 15 from the through hole 18 at the center position, so that the pressure is more balanced when entering the oxygenating device.

[0026] Preferably, the main pipe 15 is coaxially arranged on the connecting tube 5. In this way, the middle point of the oxygenation device is also located at the center of the oxidation bin 3, so that the sewage can be oxidized more evenly when passing through.

[0027] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. 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. An oxidation device for sewage treatment, comprising a purifier, characterized in that: The purifier comprises a sealing cylinder and a high-pressure oxygen pipe, wherein an oxidation bin is arranged in the sealing cylinder, and the oxidation bin is communicated with the water inlet of the sealing cylinder; a stirring device and an oxygenating device are arranged in the oxidation bin, and the stirring device is arranged between the water inlet and the oxygenating device, and the high-pressure oxygen pipe passes through the sealing cylinder and is communicated with the input end of the oxygenating device, so as to inject oxygen into the oxidation bin through the oxygenating device; It also includes a driving device, which includes a connecting tube, a rotating fan and a connecting shaft. A connecting cavity is provided in the connecting tube. The rotating fan is rotatably connected in the connecting cavity. The stirring device is rotatably arranged on the outside of the connecting tube. The connecting shaft is coaxially connected between the rotating fan and the stirring device. The high-pressure oxygen pipe is connected to the connecting cavity for blowing the rotating fan to rotate.

2. The sewage treatment oxidation device according to claim 1 is characterized in that The cross section of the oxidation bin is circular; it also includes a fixing frame, which is fixed in the oxidation bin, and the connecting tube is coaxially fixed on the fixing frame.

3. The sewage treatment oxidation device according to claim 2 is characterized in that The oxygenation device includes a plurality of annular tubes of different diameters, a plurality of connecting tubes and a main tube. The plurality of annular tubes are coaxially arranged at intervals. The input end of the connecting tube is connected to the main tube, and the output end is respectively connected to each annular tube. The main tube is connected to the connecting cavity. A plurality of air outlet holes are arranged at intervals around the inner end of the annular tube.

4. The sewage treatment oxidation device according to claim 3 is characterized in that There are four connecting pipes, which are evenly arranged around the main pipe.

5. The sewage treatment oxidation device according to claim 3 is characterized in that A partition cavity is also provided in the connecting tube, and a connecting hole is provided between one side of the partition cavity and the connecting cavity; a through hole is provided at the axial position on the other side of the partition cavity, and the through hole connects the partition cavity and the main pipe respectively.

6. The sewage treatment oxidation device according to claim 5 is characterized in that , the main pipe is coaxially arranged on the connecting tube.

7. The sewage treatment oxidation device according to claim 1 is characterized in that The stirring device includes a plurality of stirring rods and a rotating shaft, wherein the stirring rods are evenly arranged around the outside of the rotating shaft, and the rotating shaft is coaxially fixedly connected to the connecting shaft.

Images