Aerobic aeration tank and aerobic aeration system

Abstract

The utility model discloses an aerobic aeration tank and an aerobic aeration system, the aerobic aeration tank comprises a tank body, a water inlet pipe, an air inlet pipe, a spray pipe and an acid supply pipe, the water inlet pipe and the air inlet pipe are both arranged on the inner bottom wall of the tank body; one end of the water inlet pipe and one end of the air inlet pipe penetrate out of the tank body to serve as a water inlet end and an air inlet end respectively, the other end of the water inlet pipe and the other end of the air inlet pipe are provided with plugging covers, the spraying pipe is provided with a water inlet, an air inlet, an acid inlet connector and a spraying opening, and the spraying pipe is arranged in the tank body; the water inlet and the air inlet are respectively communicated with the water inlet pipe and the air inlet pipe, the acid inlet interface is communicated with one end of the acid supply pipe, and the other end of the acid supply pipe is positioned outside the tank body, so that the acid supply pipe can regularly supply acid liquor into the spray pipe to dissolve a scaling layer attached to the inner wall of the spray pipe; therefore, an internal channel of the spray pipe is kept unblocked.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment, and in particular relates to an aerobic aeration tank and an aerobic aeration system. Background Art

[0002] Aerobic tanks are used as the tank body for sewage aeration. Since sewage contains a large amount of salt components, the nozzles in the aerobic aeration tanks are prone to scaling. Once scaling occurs, the jet flow rate of the nozzles will decrease, thereby deteriorating the direct aeration effect. Patent document No. CN220678770U "Aerobic Pool Jet Aerator Scaling Pickling and Cleaning System" discloses an aerobic tank that can be used for pickling and descaling an aerator. However, the acid enters the aerator through the air inlet to pickle the inside of the aerator, so the amount of acid used is large and the descaling cost is high. Utility Model Content

[0003] In order to solve the above technical problems, one of the purposes of the utility model is to provide an aerobic aeration tank with a simple structure, good descaling effect and relatively low operating cost.

[0004] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: an aerobic aeration tank, comprising a tank body, a water inlet pipe, an air inlet pipe, a nozzle and an acid supply pipe, the water inlet pipe and the air inlet pipe are both arranged on the bottom wall outside the tank body, and one end of the water inlet pipe and the air inlet pipe are both passed out of the tank body to serve as the water inlet end and the air inlet end respectively, the other end of the water inlet pipe and the air inlet pipe are both provided with a blocking cover, the nozzle has a water inlet, an air inlet, an acid inlet interface and a spray port, the nozzle is arranged in the tank body, and the water inlet and the air inlet are respectively connected to the water inlet pipe and the air inlet pipe, the acid inlet interface is connected to one end of the acid supply pipe, and the other end of the acid supply pipe is located outside the tank body.

[0005] The beneficial effect of the above technical solution is that acid can be regularly supplied from the acid supply pipe into the nozzle to dissolve the scaling layer attached to the inner wall of the nozzle, thereby keeping the internal channel of the nozzle unobstructed.

[0006] In the above technical solution, the water inlet pipe and the air inlet pipe are arranged side by side in the pool body, a water outlet hole is provided on the pipe wall of the water inlet pipe, an air outlet hole is provided on the pipe wall of the air inlet pipe, and the water outlet hole is connected to the water inlet, and the air outlet hole is connected to the water inlet.

[0007] The beneficial effect of the above technical solution is that the nozzle can be installed on the side walls of the water inlet pipe and the air inlet pipe, so that the position setting of the nozzle is more flexible.

[0008] In the above technical solution, there are multiple nozzles, multiple water outlet holes are provided on the water inlet pipe, and multiple air outlet holes are provided on the air inlet pipe. The multiple water outlet holes, the multiple air outlet holes and the multiple nozzles correspond to each other one by one. The water inlet and air inlet corresponding to each nozzle are respectively connected with the corresponding water outlet hole and air outlet, and the multiple acid inlet interfaces are all connected with the acid supply pipe.

[0009] The beneficial effect of the above technical solution is that multiple nozzles can be set up so that multi-point aeration can be performed in the entire aerobic treatment pool, and the aeration effect is good, and multiple nozzles can be arranged at intervals along the length of the air inlet pipe and the water inlet pipe in the pool body.

[0010] The nozzle in the above technical solution is Y-shaped, the two ends corresponding to the nozzle fork are respectively the water inlet and the air inlet, the remaining lower end is the injection port, and the acid inlet interface is arranged on the side wall of the nozzle fork.

[0011] The beneficial effect of the above technical solution is that its structure is simple, so that the nozzle can be better connected and communicated with the air intake pipe and the metal pipe.

[0012] In the above technical solution, the air inlet pipe and the water inlet pipe are arranged in an overlapping manner on the inner bottom wall of the pool body, and the water outlet hole and the air outlet hole are both located on the same side of the air inlet pipe and the water inlet pipe.

[0013] The beneficial effect of the above technical solution is that the injection port of the nozzle can be directed to the side instead of directly upward, thus achieving a better aeration effect.

[0014] In the above technical solution, the air inlet pipe and the water inlet pipe are supported on the inner bottom wall of the pool body by a plurality of support seats spaced apart along the length direction thereof.

[0015] The beneficial effect of the above technical solution is that the air inlet pipe and the water inlet pipe are fixed and limited in position by a plurality of support seats in the pool body, which has good stability and can prevent the air inlet pipe and the water inlet pipe from shifting in the pool body.

[0016] In the above technical solution, the air inlet is welded and connected to the air outlet, and the water inlet is welded and connected to the water outlet.

[0017] The beneficial effect of the above technical solution is that the nozzle can be installed on the air inlet pipe and the water inlet pipe more accurately.

[0018] In the above technical solution, the acid inlet interface is extended into the nozzle, and one end thereof located in the nozzle is blocked, and a plurality of acid injection holes located in the nozzle are arranged on the side wall of the acid inlet interface.

[0019] The beneficial effect of the above technical solution is that the acid liquid introduced into the acid inlet interface can be evenly sprayed on the inner wall of the nozzle.

[0020] In the above technical solution, there are multiple acid supply pipes, and the multiple acid supply pipes correspond one-to-one to the multiple nozzles. One end of each acid supply pipe is connected to the corresponding acid inlet interface, and the other end of each acid supply pipe is located outside the cell body.

[0021] The beneficial effect of the above technical solution is that each of the nozzles can be independently supplied with acid liquid, thereby ensuring that the descaling effect of each nozzle is uniform.

[0022] A second purpose of the utility model is to provide an aerobic aeration system with a simple structure and high aerobic treatment efficiency.

[0023] In order to achieve the above-mentioned purpose, the technical solution of the utility model is as follows: an aerobic aeration system, comprising a blower, an acid storage tank and the aerobic aeration tank as described above, the air outlet of the blower is connected to the air inlet end of the air inlet pipe, and the end of the acid supply pipe located outside the tank body is connected to the acid storage tank.

[0024] The beneficial effect of the above technical solution is that: its structure is simple, so that the acid liquid can be supplied from the acid storage tank to the nozzle to descale the inner wall of the nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of the aerobic aeration tank described in Example 1 of the utility model;

[0026] Figure 2 This is a schematic diagram of the connection of the nozzle, the water inlet pipe and the air inlet pipe in Example 1 of the utility model;

[0027] Figure 3 This is a schematic diagram of the connection between the support base, the air inlet pipe and the water inlet pipe in Example 1 of the present utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the aerobic aeration system described in Example 2 of the utility model.

[0029] In the figure: 1 aerobic aeration tank; 11 tank body; 12 water inlet pipe; 121 water outlet hole; 13 air inlet pipe, 131 air outlet hole; 14 nozzle; 141 water inlet; 142 air inlet; 143 acid inlet interface; 1431 acid injection hole; 144 injection port; 15 acid supply pipe; 16 plugging cover; 17 support seat; 2 blower; 3 acid storage tank; 4 corrosion-resistant pump. DETAILED DESCRIPTION

[0030] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0031] Example 1

[0032] like Figure 1 As shown, this embodiment provides an aerobic aeration tank, including a tank body 11, a water inlet pipe 12, an air inlet pipe 13, a nozzle 14 and an acid supply pipe 15, wherein the water inlet pipe 12 and the air inlet pipe 13 are both arranged on the inner bottom wall of the tank body 11, and one end of the water inlet pipe 12 and the air inlet pipe 13 are both extended out of the tank body 11 to serve as a water inlet end and an air inlet end respectively, and the other ends of the water inlet pipe 12 and the air inlet pipe 13 are both provided with a blocking cover 16, and the nozzle 14 has a water inlet port 141, an air inlet port 142, and an air inlet port 144. 42. An acid inlet interface 143 and an injection port 144, wherein the nozzle 14 is arranged in the tank body 11, and the water inlet 141 and the air inlet 142 are respectively connected to the water inlet pipe 12 and the air inlet pipe 13, and the acid inlet interface 143 is connected to one end of the acid supply pipe 15, and the other end of the acid supply pipe 15 is located outside the tank body 11, so that acid can be regularly supplied to the nozzle from the acid supply pipe to dissolve the scaling layer attached to the inner wall of the nozzle, thereby keeping the internal channel of the nozzle unobstructed.

[0033] In the above technical solution, the water inlet pipe 12 and the air inlet pipe 13 are arranged side by side in the pool body 11, and a water outlet hole 121 is provided on the pipe wall of the water inlet pipe 12, and an air outlet hole 131 is provided on the pipe wall of the air inlet pipe 13. The water outlet hole 121 is connected to the water inlet 141, and the air outlet hole 131 is connected to the water inlet 141. In this way, the nozzle can be installed on the side walls of the water inlet pipe and the air inlet pipe, so that the position setting of the nozzle is more flexible.

[0034] In the above technical solution, a plurality of nozzles 14 are provided, a plurality of water outlet holes 121 are provided on the water inlet pipe 12, and a plurality of air outlet holes 131 are provided on the air inlet pipe 13. The plurality of water outlet holes 121, the plurality of air outlet holes 131 and the plurality of nozzles 14 correspond to each other one by one. The water inlet 141 and the air inlet 142 corresponding to each nozzle 14 are respectively connected with the corresponding water outlet hole 121 and the air outlet hole 131, and the plurality of acid inlet interfaces 143 are all connected with the acid supply pipe 15. In this way, a plurality of nozzles can be provided, so that multi-point aeration is performed in the entire aerobic treatment pool, and the aeration effect is good. In addition, the plurality of nozzles can be arranged at intervals along the length of the air inlet pipe and the water inlet pipe in the pool body.

[0035] like Figure 2 As shown, the nozzle 14 in the above technical solution is Y-shaped, and the two ends corresponding to the fork of the nozzle 14 are respectively a water inlet 141 and an air inlet 142, and the remaining lower end is a jet port 144. The acid inlet interface 143 is arranged on the side wall of the fork of the nozzle 14, and its structure is simple, so that the nozzle can be better connected and communicated with the air inlet pipe and the metal pipe.

[0036] In the above technical solution, the air inlet pipe 13 and the water inlet pipe 12 are arranged in an overlapping manner on the inner bottom wall of the pool body 11, and the water outlet hole 121 and the air outlet hole 131 are both located on the same side of the air inlet pipe 13 and the water inlet pipe 12, so that the injection port of the nozzle can be directed to the side instead of directly upward, which makes its aeration effect better.

[0037] like Figure 3 As shown, the air inlet pipe 13 and the water inlet pipe 12 in the above technical solution are supported on the inner bottom wall of the pool body 11 by a plurality of support seats 17 spaced apart along their length direction, so that the air inlet pipe and the water inlet pipe are fixed and limited in position in the pool body by a plurality of support seats, and have good stability, and can prevent the air inlet pipe and the water inlet pipe from shifting in the pool body.

[0038] In this embodiment, the support seat can be a U-shaped member, the lower end of which is anchored to the inner bottom wall of the pool body by expansion bolts, and the air inlet pipe and the water inlet pipe both pass through the groove of the support seat, and the air inlet pipe and the water inlet pipe are overlapped and welded to the groove walls on both sides of the support seat.

[0039] In this embodiment, the surfaces of the water inlet pipe, the air inlet pipe, the nozzle and the support seat all need to be coated with a layer of anti-corrosion paint.

[0040] In the above technical solution, the air inlet 142 is welded and connected to the air outlet 131, and the water inlet 141 is welded and connected to the water outlet 121, so that the nozzle can be installed on the air inlet pipe and the water inlet pipe more accurately.

[0041] In the above technical solution, the acid inlet interface 143 is extended into the nozzle 14, and one end thereof located in the nozzle 14 is blocked. A plurality of acid injection holes 1431 located in the nozzle 14 are arranged on the side wall of the acid inlet interface 143, so that the acid liquid introduced into the acid inlet interface can be evenly sprayed on the inner wall of the nozzle.

[0042] In this embodiment, the acid inlet interface extends into the nozzle and is coaxially distributed in the injection port, and a plurality of tiny spray holes are evenly distributed on the tube wall, so that the acid can be sprayed out in a mist form, which is conducive to the rapid diffusion of the acid in the nozzle, thereby more efficient descaling.

[0043] In the above technical solution, the acid supply pipe 15 is provided with a plurality of pieces, and the plurality of the acid supply pipes 15 correspond one to one with the plurality of the nozzles 14, one end of each of the acid supply pipes 15 is connected with the corresponding acid inlet interface 143, and the other end of each of the acid supply pipes 15 is located outside the cell body 11, so that each of the nozzles can independently supply acid liquid, ensuring the uniformity of the descaling effect of each nozzle.

[0044] The acid supply pipe may be a corrosion-resistant flexible pipe, which is arranged in the tank body along the air inlet pipe.

[0045] In this embodiment, the end of the injection port is narrowed, so that the injection flow rate is increased.

[0046] The acid solution used in this embodiment can be dilute sulfuric acid or dilute hydrochloric acid (acid solution with a mass fraction lower than 20%).

[0047] Example 2

[0048] like Figure 4 As shown, this embodiment provides an aerobic aeration system, including a blower 2, an acid storage tank 3 and the aerobic aeration tank 1 as described in Example 1, the air outlet of the blower 2 is connected to the air inlet end of the air inlet pipe 13, and the end of the acid supply pipe 15 located outside the tank body 11 is connected to the acid storage tank 3. It has a simple structure, so that acid can be supplied from the acid storage tank to the nozzle to descale the inner wall of the nozzle.

[0049] Of course, a corrosion-resistant pump 4 can be added at the outlet of the acid storage tank, so that the corrosion-resistant pump 4 can pump the acid liquid into the acid supply pipe, so that the spray effect of the acid injection hole on the acid inlet interface is better.

[0050] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. An aerobic aeration tank, characterized in that: The invention comprises a pool body (11), a water inlet pipe (12), an air inlet pipe (13), a nozzle (14) and an acid supply pipe (15), wherein the water inlet pipe (12) and the air inlet pipe (13) are both arranged on the inner bottom wall of the pool body (11), and one end of each of the water inlet pipe (12) and the air inlet pipe (13) is extended out of the pool body (11) to serve as a water inlet end and an air inlet end respectively, and the other ends of each of the water inlet pipe (12) and the air inlet pipe (13) are both provided with a blocking cover (16), and the nozzle (14) is (14) has a water inlet (141), an air inlet (142), an acid inlet interface (143) and a spray port (144); the spray pipe (14) is arranged in the pool body (11), and the water inlet (141) and the air inlet (142) are respectively connected to the water inlet pipe (12) and the air inlet pipe (13); the acid inlet interface (143) is connected to one end of the acid supply pipe (15), and the other end of the acid supply pipe (15) is located outside the pool body (11).

2. The aerobic aeration tank according to claim 1, characterized in that: The water inlet pipe (12) and the air inlet pipe (13) are arranged side by side in the pool body (11); a water outlet hole (121) is provided on the pipe wall of the water inlet pipe (12); an air outlet hole (131) is provided on the pipe wall of the air inlet pipe (13); the water outlet hole (121) is connected to the water inlet (141); and the air outlet hole (131) is connected to the water inlet (141).

3. The aerobic aeration tank according to claim 2, characterized in that: The nozzle pipe (14) is provided with a plurality of water outlet holes (121) on the water inlet pipe (12), and the air inlet pipe (13) is provided with a plurality of air outlet holes (131). The plurality of water outlet holes (121), the plurality of air outlet holes (131) and the plurality of nozzle pipes (14) correspond to each other one by one. The water inlet (141) and the air inlet (142) corresponding to each nozzle pipe (14) are respectively connected to the corresponding water outlet hole (121) and the air outlet hole (131). The plurality of acid inlet interfaces (143) are all connected to the acid supply pipe (15).

4. The aerobic aeration tank according to claim 2 or 3, characterized in that: The nozzle (14) is Y-shaped, the two ends corresponding to the fork of the nozzle (14) are respectively a water inlet (141) and an air inlet (142), the remaining end is a jet port (144), and the acid inlet interface (143) is arranged on the side wall of the fork of the nozzle (14).

5. The aerobic aeration tank according to claim 4, characterized in that: The air inlet pipe (13) and the water inlet pipe (12) are arranged in an overlapping manner on the inner bottom wall of the pool body (11), and the water outlet hole (121) and the air outlet hole (131) are both located on the same side of the air inlet pipe (13) and the water inlet pipe (12).

6. The aerobic aeration tank according to claim 5, characterized in that: The air inlet pipe (13) and the water inlet pipe (12) are supported on the inner bottom wall of the pool body (11) via a plurality of support seats (17) spaced apart along their length direction.

7. The aerobic aeration tank according to claim 5, characterized in that: The air inlet (142) is welded and connected to the air outlet (131), and the water inlet (141) is welded and connected to the water outlet (121).

8. The aerobic aeration tank according to claim 1, characterized in that: The acid inlet interface (143) extends into the nozzle (14), and one end thereof located in the nozzle (14) is blocked. A plurality of acid injection holes (1431) located in the nozzle (14) are arranged on the side wall of the acid inlet interface (143).

9. The aerobic aeration tank according to claim 3, characterized in that: A plurality of the acid supply pipes (15) are provided, and the plurality of the acid supply pipes (15) correspond one-to-one to the plurality of the nozzles (14); one end of each of the acid supply pipes (15) is connected to the corresponding acid inlet interface (143), and the other end of each of the acid supply pipes (15) is located outside the pool body (11).

10. An aerobic aeration system, characterized in that: The aerobic aeration tank (1) comprises a blower (2), an acid storage tank (3) and the aerobic aeration tank (1) according to any one of claims 1 to 9, wherein the air outlet of the blower (2) is connected to the air inlet end of the air inlet pipe (13), and the end of the acid supply pipe (15) located outside the tank body (11) is connected to the inside of the acid storage tank (3).

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