Sewage treatment device for expressway service area

Abstract

The utility model relates to the technical field of sewage treatment, and discloses an expressway service area sewage treatment device which comprises a sewage treatment tank, a sedimentation tank, an aerobic tank, a filter tank and a water storage tank are respectively arranged in the sewage treatment tank, and a filter screen frame is placed in the sedimentation tank. A water inlet is formed in the top end of one side of the sewage treatment tank, a drainage pipe is fixedly connected to the other side of the sewage treatment tank, an exhaust plate is mounted in the aerobic tank, a biological filter membrane is mounted in the filter tank, and a water quality detector is mounted at the bottom end of the other side of the sewage treatment tank. According to the sewage treatment device for the expressway service area, oxygen can be injected into the aerobic tank through the aeration pump, the oxygen of the aeration pump enters the exhaust plate along the aeration pipe, the oxygen can be uniformly conveyed into the aerobic tank through the uniform exhaust holes in the exhaust plate, and the oxygen is fully in contact with sewage in the aerobic tank, so that the sewage in the aerobic tank is fully treated; the problem that sufficient purification is inconvenient is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment device for highway service areas. Background Technique

[0002] Highway service areas refer to places specifically for passengers and drivers to stop and rest, and should provide facilities such as parking lots, public toilets, gas stations, vehicle repair shops, restaurants and canteens. The sewage inside highway service areas needs to be treated by specific sewage treatment equipment. Sewage treatment is a process of purifying sewage to meet the water quality requirements for discharging into a certain water body or reusing it.

[0003] After retrieval, common sewage treatment equipment has the problem of inconvenient full purification during use. For example, there is an aerobic purification area inside some sewage treatment equipment. During the purification process, the oxygen inside the aerobic area cannot be evenly contacted with the sewage, thus affecting the efficiency of sewage treatment.

[0004] There is an urgent need for a sewage treatment device for highway service areas to solve the technical defects proposed in the above technology. Content of the Utility Model

[0005] The purpose of the utility model is to provide a sewage treatment device for highway service areas to solve the problem of inconvenient full purification proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A sewage treatment device for highway service areas, including a sewage treatment tank. Inside the sewage treatment tank, there are respectively a sedimentation tank, an aerobic tank, a filtration tank and a water storage tank. A filter mesh frame is placed inside the sedimentation tank. At the top of one side of the sewage treatment tank, a water inlet is installed. On the other side of the sewage treatment tank, a drain pipe is fixedly connected. An exhaust plate is installed inside the aerobic tank. A biological filter membrane is installed inside the filtration tank. A water quality detector is installed at the bottom of the other side of the sewage treatment tank. An aeration pump is installed at the top of the sewage treatment tank. An air distribution pipe is arranged inside the aerobic tank. At the top of the air distribution pipe, a mounting flange is installed. An exhaust plate is arranged inside the aerobic tank.

[0007] Preferably, the output end of the aeration pump is fixedly connected to the top of the air distribution pipe, and the mounting flange is fixed by bolts.

[0008] Preferably, there are four groups of exhaust plates. Exhaust holes are evenly arranged on the outside of the exhaust plates. The air distribution pipe and the exhaust plates are fixedly connected by pipes.

[0009] Preferably, both sides inside the sedimentation tank are fixedly connected with installation slideways, both sides of the filter screen frame are fixedly connected with installation sliders, and the installation sliders are embedded inside the installation slideways and are slidably connected.

[0010] Preferably, the top of the filter screen frame is fixedly connected with a support frame, the top of the support frame is provided with installation bolts, and the top of the sedimentation tank is provided with limit card slots.

[0011] Preferably, the support frame is placed inside the limit card slot, and the bottom end of the installation bolt is embedded inside the limit card slot.

[0012] Preferably, both sides inside the filter tank are fixedly connected with installation card slots, both sides of the biological filter membrane are fixedly connected with installation blocks, and the installation blocks are embedded inside the installation card slots.

[0013] Preferably, the probe of the water quality detector is embedded inside the reservoir, and drain outlets are arranged between the sedimentation tank, the aerobic tank, the filter tank and the reservoir.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: This sewage treatment device for highway service areas not only realizes the function of facilitating full purification, realizes the function of facilitating filtration and cleaning, but also realizes the function of facilitating detection;

[0015] (1) By setting an aeration pump, an aeration pipe, an exhaust plate, an aerobic tank and an installation flange, after the sewage enters the aerobic tank, the aeration pump can inject oxygen into the aerobic tank, and the oxygen of the aeration pump enters the exhaust plate along the aeration pipe. The evenly distributed exhaust holes in the exhaust plate can evenly transport the oxygen into the aerobic tank, and the oxygen fully contacts the sewage inside the aerobic tank to realize the function of efficient purification;

[0016] (2) By setting a filter screen frame, installation slideways, limit card slots, installation bolts and installation sliders, the sewage in the service area first enters the sedimentation tank from the water inlet. The sewage first enters the filter screen frame, and the filter screen frame can filter large-particle sediments and flocs in the sewage. The filtered sewage can enter the aerobic tank for further purification, and then the filter screen frame can be taken out for cleaning. When taking it out, first unscrew the installation bolts, and then remove the support frame from the limit card slot to take out the filter screen frame for cleaning. This structure realizes the function of facilitating filtration and cleaning;

[0017] (3) By providing a reservoir, a biological filtration membrane, installation slots, a water quality detector, and a drain pipe, the sewage enters the interior of the filtration tank after being treated in the aerobic tank. The biological filtration membrane inside the filtration tank can filter the sewage again. The filtered sewage then enters the interior of the reservoir. The water quality detector inside the reservoir can detect the water quality of the treated sewage, and after detection, it can be discharged from the drain pipe. Once the detection is unqualified, the staff needs to replace and clean the filtration components inside the sewage treatment tank. This structure realizes the function of facilitating detection. Description of the Drawings

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

[0019] Figure 2 It is a front view sectional structure schematic diagram of the filter mesh frame of the present utility model;

[0020] Figure 3 It is a top view structure schematic diagram of the exhaust plate of the present utility model;

[0021] Figure 4 It is a front view structure schematic diagram of the biological filtration membrane of the present utility model.

[0022] In the figure: 1, sewage treatment tank; 2, sedimentation tank; 3, filter mesh frame; 4, installation slideway; 5, water inlet; 6, limit slot; 7, aeration pump; 8, aeration pipe; 9, exhaust plate; 10, aerobic tank; 11, filtration tank; 12, reservoir; 13, biological filtration membrane; 14, installation slot; 15, water quality detector; 16, drain pipe; 17, support frame; 18, installation bolt; 19, installation slider; 20, installation flange; 21, installation block. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1: Please refer to Figures 1-4, A sewage treatment device for highway service areas, including a sewage treatment tank 1. Inside the sewage treatment tank 1, there are respectively a sedimentation tank 2, an aerobic tank 10, a filtration tank 11 and a reservoir 12. Inside the sedimentation tank 2, there is a filter mesh frame 3 placed. At the top end of one side of the sewage treatment tank 1, there is a water inlet 5 installed. On the other side of the sewage treatment tank 1, there is a drain pipe 16 fixedly connected. Inside the aerobic tank 10, there is an exhaust plate 9 installed. Inside the filtration tank 11, there is a biological filtration membrane 13 installed. At the bottom end of the other side of the sewage treatment tank 1, there is a water quality detector 15 installed. At the top of the sewage treatment tank 1, there is an aeration pump 7 installed. Inside the aerobic tank 10, there is an aeration pipe 8 arranged. At the top of the aeration pipe 8, there is an installation flange 20 installed. Inside the aerobic tank 10, there is an exhaust plate 9 arranged;

[0025] The output end of the aeration pump 7 is fixedly connected to the top end of the aeration pipe 8. The installation flange 20 is fixed by bolts. There are four groups of exhaust plates 9 arranged. Exhaust holes are evenly opened on the outside of the exhaust plates 9. The aeration pipe 8 and the exhaust plates 9 are fixedly connected by pipes;

[0026] Specifically, as Figure 1 and Figure 3 shown, after the sewage enters the inside of the aerobic tank 10, the aeration pump 7 can inject oxygen into the inside of the aerobic tank 10. The oxygen of the aeration pump 7 enters the inside of the exhaust plate 9 along the aeration pipe 8. The evenly distributed exhaust holes in the exhaust plate 9 can evenly transport the oxygen into the inside of the aerobic tank 10, and the oxygen fully contacts the sewage inside the aerobic tank 10.

[0027] Embodiment 2: On both sides inside the sedimentation tank 2, there are installation slideways 4 fixedly connected. On both sides of the filter mesh frame 3, there are installation sliders 19 fixedly connected. And the installation sliders 19 are embedded in the inside of the installation slideways 4 and are slidably connected. At the top of the filter mesh frame 3, there is a support frame 17 fixedly connected. At the top of the support frame 17, there is an installation bolt 18 arranged. At the top of the sedimentation tank 2, there is a limit card slot 6 arranged. The support frame 17 is placed inside the limit card slot 6, and the bottom end of the installation bolt 18 is embedded inside the limit card slot 6;

[0028] Specifically, as Figure 1 and Figure 2 shown, the filter mesh frame 3 can filter large - particle sediments and flocs in the sewage. The filtered sewage can enter the aerobic tank 10 for further purification. Then, the filter mesh frame 3 can be taken out for cleaning. When taking it out, first unscrew the installation bolt 18, and then move the support frame 17 out of the limit card slot 6, and then the filter mesh frame 3 can be taken out for cleaning.

[0029] Embodiment 3: Installation slots 14 are fixedly connected to both sides inside the filtration tank 11. Installation blocks 21 are fixedly connected to both sides of the biological filtration membrane 13, and the installation blocks 21 are embedded inside the installation slots 14. The probe of the water quality detector 15 is embedded inside the reservoir 12. Drainage ports are provided between the sedimentation tank 2, the aerobic tank 10, the filtration tank 11, and the reservoir 12.

[0030] Specifically, as Figure 1 and Figure 4 shown, the biological filtration membrane 13 inside the filtration tank 11 can filter the sewage again. The filtered sewage then enters the reservoir 12. The water quality detector 15 inside the reservoir 12 can detect the water quality of the treated sewage. After detection, it can be discharged from the drain pipe 16. Once the detection is unqualified, the staff needs to replace and clean the filtration components inside the sewage treatment tank 1.

[0031] Working principle: When the present utility model is in use, the sewage inside the highway service area can enter the sewage treatment tank 1 from the water inlet 5. The filter mesh frame 3 can filter large-particle sediments and flocculants in the sewage. The sewage after filtration can enter the aerobic tank 10 for further purification. Subsequently, the filter mesh frame 3 can be taken out for cleaning. When taking it out, first unscrew the installation bolts 18, and then move the support frame 17 out of the limit slot 6 to take out the filter mesh frame 3 for cleaning. After the sewage enters the aerobic tank 10, the aeration pump 7 can inject oxygen into the aerobic tank 10. The oxygen of the aeration pump 7 enters the exhaust plate 9 along the aeration pipe 8. The evenly distributed exhaust holes in the exhaust plate 9 can evenly deliver the oxygen into the aerobic tank 10. The oxygen fully contacts the sewage inside the aerobic tank 10. The sewage after being treated in the aerobic tank 10 enters the filtration tank 11. The biological filtration membrane 13 inside the filtration tank 11 can filter the sewage again. The filtered sewage then enters the reservoir 12. The water quality detector 15 inside the reservoir 12 can detect the water quality of the treated sewage. After detection, it can be discharged from the drain pipe 16. Once the detection is unqualified, the staff needs to replace and clean the filtration components inside the sewage treatment tank 1. This structure realizes the function of facilitating detection.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A highway service area sewage treatment device, comprising a sewage treatment tank (1), characterized in that: The sewage treatment tank (1) is provided with a sedimentation tank (2), an aerobic tank (10), a filter tank (11) and a water storage tank (12) respectively. A filter screen frame (3) is placed inside the sedimentation tank (2). A water inlet (5) is installed at the top of one side of the sewage treatment tank (1). A drainage pipe (16) is fixedly connected to the other side of the sewage treatment tank (1). An exhaust plate (9) is installed inside the aerobic tank (10). A biological filtration membrane (13) is installed inside the filter tank (11). A water quality detector (15) is installed at the bottom of the other side of the sewage treatment tank (1). An aeration pump (7) is installed at the top of the sewage treatment tank (1). An aeration pipe (8) is installed inside the aerobic tank (10). A mounting flange (20) is installed at the top of the aeration pipe (8). An exhaust plate (9) is installed inside the aerobic tank (10).

2. A highway service area sewage treatment device according to claim 1, characterized in that: The output end of the aeration pump (7) is fixedly connected to the top end of the aeration pipe (8), and the mounting flange (20) is fixed by bolts.

3. A highway service area sewage treatment device according to claim 1, characterized in that: Four groups of exhaust plates (9) are provided, and exhaust holes are evenly opened on the outside of the exhaust plates (9). The aeration pipes (8) are fixedly connected to the exhaust plates (9) via pipelines.

4. A highway service area sewage treatment device according to claim 1, characterized in that: The two sides of the sedimentation tank (2) are fixedly connected with mounting slideways (4), the two sides of the filter screen frame (3) are fixedly connected with mounting slide blocks (19), and the mounting slide blocks (19) are embedded in the mounting slideways (4) in a sliding connection.

5. A highway service area sewage treatment device according to claim 1, characterized in that: The top of the filter screen frame (3) is fixedly connected to a support frame (17), the top of the support frame (17) is provided with a mounting bolt (18), and the top of the sedimentation tank (2) is provided with a limit slot (6).

6. A highway service area sewage treatment device according to claim 5, characterized in that: The support frame (17) is placed inside the limiting slot (6), and the bottom end of the mounting bolt (18) is embedded inside the limiting slot (6).

7. A highway service area sewage treatment device according to claim 1, characterized in that: The two sides of the filter tank (11) are fixedly connected with mounting slots (14), the two sides of the biological filtration membrane (13) are fixedly connected with mounting blocks (21), and the mounting blocks (21) are embedded in the mounting slots (14).

8. A highway service area sewage treatment device according to claim 1, characterized in that: The probe of the water quality detector (15) is embedded in the interior of the water reservoir (12), and drainage outlets are provided between the sedimentation tank (2), the aerobic tank (10), the filtration tank (11) and the water reservoir (12).

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