An oxidation ditch structure for sewage treatment

Abstract

The utility model belongs to the technical field of sewage treatment devices, and in particular, is an oxidation ditch structure for sewage treatment, including a primary oxidation ditch, a secondary oxidation ditch and a tertiary oxidation ditch, wherein the primary oxidation ditch, the secondary oxidation ditch and the tertiary oxidation ditch are arranged in sequence from the outside to the inside, and a central water pool is arranged on the inner side of the tertiary oxidation ditch, and the primary oxidation ditch, the secondary oxidation ditch, the tertiary oxidation ditch and the central water pool are separated by a partition wall, and the primary oxidation ditch, the secondary oxidation ditch and the tertiary oxidation ditch are all fixed with a barrier wall for blocking water flow, and the end of the barrier wall is fixed on the corresponding partition wall. The utility model arranges a plurality of oxidation ditches in stages, and the oxidation treatment effect of sewage increases in sequence, which can effectively improve the treatment effect of sewage, and the guide plate of the device can be disassembled and assembled, which is convenient for cleaning, solving the problem that the sewage treatment effect of the current device is not ideal and the guide plate is inconvenient to clean.

Description

Technical Field

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

[0002] The oxidation ditch is a variation of the activated sludge process. Its aeration tank is a closed ditch type, so it is different from the traditional activated sludge process in hydraulic flow. It is a circulating flow aeration ditch connected end to end, and sewage infiltrates into it to be purified. The earliest oxidation ditch was not made of reinforced concrete, but an earth ditch with slope protection, with intermittent water inflow and intermittent aeration. From this point of view, the oxidation ditch was originally a technology for treating sewage in a batch manner.

[0003] For example, the patent announcement number CN201821933076.X discloses an assembled multi-channel oxidation ditch for an unpowered sewage treatment device. However, the oxidation ditch in this scheme is only a single-ditch design. The sewage is treated only through one oxidation ditch, and the oxidation treatment of the sewage cannot be achieved in a graded manner. Therefore, the sewage treatment effect is not perfect. This scheme slows down the water flow rate by means of a guide plate, but after a certain period of time, sludge and other dirt will adhere to the guide plate. The guide plate is inconvenient to disassemble and assemble, and it is not convenient to clean. There are certain defects and shortcomings, and therefore, improvements are needed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides an oxidation ditch structure for sewage treatment. By arranging a plurality of oxidation ditches in stages, the oxidation treatment effect of the sewage increases successively, which can effectively improve the treatment effect of the sewage. In addition, the guide plate of the device can be disassembled and assembled for easy cleaning, which solves the problem that the sewage treatment effect of the current device is not ideal and the guide plate is inconvenient to clean.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0008] An oxidation ditch structure for sewage treatment comprises a primary oxidation ditch, a secondary oxidation ditch and a tertiary oxidation ditch, wherein the primary oxidation ditch, the secondary oxidation ditch and the tertiary oxidation ditch are arranged in sequence from outside to inside, and a central water pool is arranged on the inner side of the tertiary oxidation ditch, and the primary oxidation ditch, the secondary oxidation ditch, the tertiary oxidation ditch and the central water pool are separated by a partition wall, and barrier walls for blocking water flow are fixed on the primary oxidation ditch, the secondary oxidation ditch and the tertiary oxidation ditch, and the ends of the barrier walls are fixed on the corresponding partition walls, and drainage outlets are arranged on one side of the barrier wall in the secondary oxidation ditch, the tertiary oxidation ditch and the central water pool, and a removable filtering component is arranged at the drainage outlet of the partition wall.

[0009] Furthermore, the filter component includes an outer frame adapted to the drain outlet, and a filter screen fixedly connected to the inner side of the outer frame, and two handles are fixedly connected to the top of the outer frame.

[0010] Furthermore, the first-level oxidation ditch is provided with a water inlet pipe on one side of the barrier wall, and the sewage discharged into the water inlet pipe passes through the first-level oxidation ditch, the filter at the second-level oxidation ditch, the second-level oxidation ditch, the filter at the tertiary oxidation ditch, the tertiary oxidation ditch and the filter at the central water pool in sequence and is discharged into the central water pool.

[0011] Furthermore, a water outlet pipe is provided at the central water pool.

[0012] Furthermore, guide components are installed on the partition walls of the primary oxidation ditch, the secondary oxidation ditch and the tertiary oxidation ditch. The guide components include a fixing seat fixedly connected to the partition wall, and a T-shaped slider adapted on the T-shaped track of the fixing seat. A bracket is fixed on one side of the T-shaped slider, and a guide plate is provided at the end of the bracket.

[0013] Furthermore, the guide plate is arranged obliquely, and the angle formed between the guide plate and the partition wall is an acute angle.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides an oxidation ditch structure for sewage treatment, which has the following beneficial effects:

[0016] 1. The utility model arranges a plurality of oxidation ditches in stages. The oxidation ditches are connected in sequence, and a drain outlet is arranged at the connection. A detachable filter component is arranged at the drain outlet, and a filter screen is arranged in the filter component. Sewage is discharged into the central water pool through the filter screen at the primary oxidation ditch, the filter screen at the secondary oxidation ditch, the secondary oxidation ditch, the filter screen at the tertiary oxidation ditch, the tertiary oxidation ditch and the filter screen at the central water pool in sequence. Therefore, the oxidation treatment effect of the oxidation ditch increases in sequence. When the water enters the central water pool, the water will be improved to a great extent. Therefore, the treatment effect of the device is more perfect and the water purification effect is better.

[0017] 2. The utility model installs guide components in the primary oxidation ditch, the secondary oxidation ditch and the tertiary oxidation ditch. The guide components slow down the water potential through the guide plates, which can prolong the oxidation treatment time of the sewage and then increase the treatment effect. The guide plates in the guide components are easy to disassemble and install, which is convenient for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the filter component in the utility model;

[0020] Figure 3 It is a structural schematic diagram of the flow guide component in the utility model.

[0021] In the figure: 1. primary oxidation ditch; 2. secondary oxidation ditch; 3. tertiary oxidation ditch; 4. central water pool; 5. partition wall; 6. guide component; 601. fixing seat; 602. T-shaped slider; 603. bracket; 604. guide plate; 7. drain outlet; 8. filter component; 801. outer frame; 802. filter screen; 803. handle; 9. water inlet pipe; 10. barrier wall; 11. water outlet pipe. DETAILED DESCRIPTION

[0022] 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.

[0023] Example

[0024] like Figure 1 As shown, an oxidation ditch structure for sewage treatment proposed by an embodiment of the utility model includes a primary oxidation ditch 1, a secondary oxidation ditch 2 and a tertiary oxidation ditch 3, the primary oxidation ditch 1, the secondary oxidation ditch 2 and the tertiary oxidation ditch 3 are arranged in sequence from the outside to the inside, and a central water pool 4 is arranged on the inner side of the tertiary oxidation ditch 3, the primary oxidation ditch 1, the secondary oxidation ditch 2, the tertiary oxidation ditch 3 and the central water pool 4 are separated by a partition wall 5, and a barrier wall 10 for blocking water flow is fixed on the primary oxidation ditch 1, the secondary oxidation ditch 2 and the tertiary oxidation ditch 3, and the end of the barrier wall 10 is fixed on the corresponding partition wall 5, and a drain outlet 7 is arranged on one side of the barrier wall 10 for the secondary oxidation ditch 2, the tertiary oxidation ditch 3 and the central water pool 4, and a removable filter component 8 is arranged at the drain outlet 7 of the partition wall 5.

[0025] It should be noted that, by arranging the primary oxidation ditch 1, the secondary oxidation ditch 2, and the tertiary oxidation ditch 3 in a graded manner, and arranging the primary oxidation ditch 1, the secondary oxidation ditch 2, and the tertiary oxidation ditch 3 from the outside to the inside, the oxidation treatment of the sewage can be achieved in a graded manner, and the treatment effect is more perfect. The treated water enters the central water pool 4, and the partition wall 5 can achieve the separation between the primary oxidation ditch 1, the secondary oxidation ditch 2, the tertiary oxidation ditch 3, and the central water pool 4. By fixing the barrier wall 10 on the primary oxidation ditch 1, the secondary oxidation ditch 2, and the tertiary oxidation ditch 3, the barrier wall 10 can form a flow blocking effect, which is convenient for the sewage to enter the secondary oxidation ditch 2, the tertiary oxidation ditch 3, and the central water pool 4 in turn. By arranging drain outlets 7 on one side of the barrier wall 10 in the secondary oxidation ditch 2, the tertiary oxidation ditch 3, and the central water pool 4, it is convenient for the sewage to be discharged and flowed. By arranging a removable filter component 8 at the drain outlet 7 of the partition wall 5, the filter component 8 can filter the sewage and achieve graded treatment of the sewage. The filter component 8 can be removed for easy cleaning.

[0026] like Figure 1 and Figure 2 As shown, in some embodiments, the filter component 8 includes an outer frame 801 adapted to the drain outlet 7, and a filter screen 802 fixedly connected to the inner side of the outer frame 801, and two handles 803 are fixedly connected to the top of the outer frame 801.

[0027] It should be noted that the outer frame 801 can be slidably connected to the drain outlet 7 to facilitate the disassembly and assembly of the filter component 8 as a whole. The water is filtered through the filter screen 802 inside the outer frame 801, and the handle 803 is provided to facilitate the pulling of the outer frame 801.

[0028] like Figure 1 and Figure 2 As shown, in some embodiments, a water inlet pipe 9 is provided on one side of the barrier wall 10 of the primary oxidation ditch 1, and the sewage discharged into the water inlet pipe 9 passes through the primary oxidation ditch 1, the filter screen 802 at the secondary oxidation ditch 2, the secondary oxidation ditch 2, the filter screen 802 at the tertiary oxidation ditch 3, the tertiary oxidation ditch 3 and the filter screen 802 at the central water pool 4 in sequence and is discharged into the central water pool 4.

[0029] It should be noted that the water inlet pipe 9 can discharge the sewage into the primary oxidation ditch 1, and the sewage flows in sequence to achieve graded treatment of the sewage and increase the oxidation treatment effect of the sewage.

[0030] like Figure 1 As shown, in some embodiments, a water outlet pipe 11 is provided at the central water pool 4 , and the treated sewage can be discharged through the water outlet pipe 11 .

[0031] like Figure 1 and Figure 3As shown, in some embodiments, a guide component 6 is installed on the partition wall 5 of the primary oxidation ditch 1, the secondary oxidation ditch 2 and the tertiary oxidation ditch 3. The guide component 6 includes a fixing seat 601 fixedly connected to the partition wall 5, and a T-shaped slider 602 adapted to the T-shaped track of the fixing seat 601, a bracket 603 is fixed to one side of the T-shaped slider 602, and a guide plate 604 is provided at the end of the bracket 603.

[0032] It should be noted that the setting of the guide component 6 can form a certain flow blocking effect, slow down the flow rate of sewage, and then increase the oxidation treatment time of sewage. The guide plate 604 is removably assembled on the fixed seat 601 through the T-shaped slider 602, which is convenient for cleaning and maintenance.

[0033] like Figure 1 and Figure 3 As shown, in some embodiments, the guide plate 604 is arranged at an angle, and the angle formed between the guide plate 604 and the partition wall 5 is an acute angle.

[0034] It should be noted that the angle formed between the guide plate 604 and the partition wall 5 is an acute angle, which has a better flow blocking effect, can form a torrent, and slow down the flow speed of the sewage.

[0035] like Figure 1 As shown, the direction of the arrow is the direction of water flow.

[0036] 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. An oxidation ditch structure for sewage treatment, characterized in that: The invention comprises a primary oxidation ditch (1), a secondary oxidation ditch (2) and a tertiary oxidation ditch (3), wherein the primary oxidation ditch (1), the secondary oxidation ditch (2) and the tertiary oxidation ditch (3) are arranged in sequence from the outside to the inside, and a central water pool (4) is arranged on the inner side of the tertiary oxidation ditch (3), and the primary oxidation ditch (1), the secondary oxidation ditch (2), the tertiary oxidation ditch (3) and the central water pool (4) are separated by a partition wall (5), and a barrier wall (10) for blocking water flow is fixed on the primary oxidation ditch (1), the secondary oxidation ditch (2) and the tertiary oxidation ditch (3), and the end of the barrier wall (10) is fixed on the corresponding partition wall (5), and a drainage outlet (7) is arranged on one side of the barrier wall (10) of the secondary oxidation ditch (2), the tertiary oxidation ditch (3) and the central water pool (4), and a detachable filtering component (8) is arranged at the drainage outlet (7) of the partition wall (5).

2. The oxidation ditch structure for sewage treatment according to claim 1, characterized in that: The filtering component (8) comprises an outer frame (801) adapted to the drain outlet (7), and a filter screen (802) fixedly connected to the inner side of the outer frame (801); two handles (803) are fixedly connected to the top of the outer frame (801).

3. The oxidation ditch structure for sewage treatment according to claim 2, characterized in that: The primary oxidation ditch (1) is provided with a water inlet pipe (9) on one side of the barrier wall (10), and the sewage discharged from the water inlet pipe (9) passes through the primary oxidation ditch (1), the filter screen (802) at the secondary oxidation ditch (2), the secondary oxidation ditch (2), the filter screen (802) at the tertiary oxidation ditch (3), the tertiary oxidation ditch (3) and the filter screen (802) at the central water pool (4) in sequence and is discharged into the central water pool (4).

4. The oxidation ditch structure for sewage treatment according to claim 1, characterized in that: The central water pool (4) is provided with a water outlet pipe (11).

5. The oxidation ditch structure for sewage treatment according to claim 1, characterized in that: A flow guide component (6) is installed on the partition wall (5) of the primary oxidation ditch (1), the secondary oxidation ditch (2) and the tertiary oxidation ditch (3), and the flow guide component (6) comprises a fixing seat (601) fixedly connected to the partition wall (5), and a T-shaped slider (602) adapted on the T-shaped track of the fixing seat (601), a bracket (603) is fixed on one side of the T-shaped slider (602), and a flow guide plate (604) is arranged at the end of the bracket (603).

6. The oxidation ditch structure for sewage treatment according to claim 5, characterized in that: The guide plate (604) is arranged at an angle, and the angle formed between the guide plate (604) and the partition wall (5) is an acute angle.

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