Pulse type self-cleaning microporous aeration system for sewage treatment

Abstract

The utility model discloses a pulse type self-cleaning microporous aeration system for sewage treatment, which comprises a sewage aeration kettle, an underwater aerator mounted at the bottom of an inner cavity of the sewage aeration kettle, a plurality of water surface aerators mounted in the sewage aeration kettle, a plurality of surface increasing plates arranged in the sewage aeration kettle, and a water circulation flowing mechanism, under the action of the water circulation flowing mechanism, sewage in the sewage aeration kettle is pumped onto the surface increasing plates and falls down, so that the contact surface area of water and air is increased, and the sewage aeration device relates to the technical field of sewage aeration, and the sewage is pumped onto the surface increasing plates by utilizing the water circulation flowing mechanism through the arrangement of the plurality of surface increasing plates; therefore, the contact area of sewage and air is larger, the aeration area is increased, and the aeration effect is improved; the water surface aerator and the underwater aerator are shared together, so that compared with the use of the underwater aerator, the cost can be reduced, and meanwhile, a better aeration effect of the underwater aerator can also be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage aeration, in particular to a pulse-type self-cleaning microporous aeration system for sewage treatment. Background Art

[0002] Aerators are divided into underwater aerators and surface aerators. As underwater aerators are expensive and have a short underwater service life, in order to save costs and achieve better aeration purposes, a small number of underwater aerators and a large number of surface aerators can be used at the same time. However, since the water in the sewage kettle or sewage pool is static, the surface area of ​​the water surface is small, and it is difficult for surface aerators to achieve better aeration purposes. Utility Model Content

[0003] In view of the problems existing in the existing pulse-type self-cleaning microporous aeration system for sewage treatment, the utility model is proposed.

[0004] Therefore, the purpose of the utility model is to provide a pulsed self-cleaning microporous aeration system for sewage treatment, which solves the problem that the water in the sewage kettle or sewage pool is static, so the surface area of ​​the water surface is small and the water surface aerator is difficult to achieve a good aeration purpose.

[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] A pulsed self-cleaning microporous aeration system for sewage treatment comprises a sewage aeration kettle, an underwater aerator is installed at the bottom of the inner cavity of the sewage aeration kettle, a plurality of surface aerators are installed in the sewage aeration kettle, a plurality of increase panels are arranged in the sewage aeration kettle, and a water circulation flow mechanism is also included. Under the action of the water circulation flow mechanism, the sewage in the sewage aeration kettle is pumped onto the increase panels and falls, thereby increasing the surface area of ​​contact between water and air.

[0007] As a preferred solution of the pulsed self-cleaning microporous aeration system for sewage treatment described in the utility model, a kettle cover is installed on the top of the sewage aeration kettle by bolts.

[0008] As a preferred solution of the pulsed self-cleaning microporous aeration system for sewage treatment described in the utility model, wherein: the surface aerator and the underwater aerator are commonly connected to an air intake mechanism;

[0009] The air intake mechanism comprises an air compressor, the output end of the air compressor is connected to a first air pipe, the end of the first air pipe is connected to a second air pipe, and the surface aerator and the underwater aerator are both installed on the second air pipe.

[0010] As a preferred solution of the pulsed self-cleaning microporous aeration system for sewage treatment described in the utility model, the top of the kettle cover is provided with an opening, and also includes a dissolved oxygen meter installed on the kettle cover, and the probe of the dissolved oxygen meter passes through the opening and is located at the bottom of the inner cavity of the sewage aeration kettle.

[0011] As a preferred solution of the pulsed self-cleaning microporous aeration system for sewage treatment described in the utility model, wherein: a pressure regulator and a flow meter are installed on the first air pipe;

[0012] The sewage aeration kettle is provided with a liquid injection port and a water overflow port, and the heights of the liquid injection port and the water overflow port are both lower than the height of the lowest increase panel.

[0013] As a preferred solution of a pulsed self-cleaning microporous aeration system for sewage treatment described in the utility model, the water circulation flow mechanism includes a water pump installed on the sewage aeration kettle, the input end of the water pump is fixedly connected to a first water pipe, the first water pipe passes through the sewage aeration kettle and extends into the inner cavity of the sewage aeration kettle, the output end of the water pump is fixedly connected to a second water pipe, the outlet of the second water pipe is connected to a third water pipe, and the end of the third water pipe is located directly above the center of the increase panel.

[0014] As a preferred solution of the pulsed self-cleaning microporous aeration system for sewage treatment described in the utility model, wherein: a first support connection seat is welded on the outer wall of the increase panel, a support rod is inserted into the inner wall of the first support connection seat, and the support rod and the first support connection seat are fixed by bolts;

[0015] A second support connection seat is welded on the inner wall of the sewage aeration kettle, a support rod is inserted into the inner wall of the second support connection seat, and the support rod and the second support connection seat are fixed by bolts.

[0016] As a preferred solution of the pulsed self-cleaning microporous aeration system for sewage treatment described in the utility model, a plurality of spacers are uniformly welded on the surface of the increase panel.

[0017] Compared with existing technologies:

[0018] 1. By setting up multiple panels, the sewage is pumped into the multiple panels by using the water circulation mechanism, so that the contact area between sewage and air is larger, thereby increasing the aeration area and improving the aeration effect;

[0019] 2. Using surface aerators and underwater aerators together can reduce costs compared to using only underwater aerators, while also having the better aeration effect of underwater aerators. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure provided for Example 1 of the utility model;

[0021] Figure 2 Provided for the utility model embodiment 1 Figure 1 A cross-sectional view of

[0022] Figure 3 Provided for the utility model embodiment 1 Figure 2 Enlarged view of point A in the middle;

[0023] Figure 4 This is a top view of the added panel provided in Example 2 of the utility model.

[0024] In the figure: sewage aeration kettle 1, kettle cover 2, dissolved oxygen meter 3, air compressor 5, first air pipe 6, liquid injection port 7, water pump 8, first water pipe 9, flow meter 10, pressure regulator 11, overflow port 12, second air pipe 14, water surface aerator 15, third water pipe 16, second water pipe 17, additional panel 18, first support connecting seat 181, spacer 182, support rod 19, second support connecting seat 20, underwater aerator 21. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clear, the implementation methods of the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] Embodiment 1:

[0027] The utility model provides a pulsed self-cleaning microporous aeration system for sewage treatment. Figure 1-3 , comprising a sewage aeration kettle 1, a kettle cover 2 is installed on the top of the sewage aeration kettle 1 by bolts, an underwater aerator 21 is installed at the bottom of the inner cavity of the sewage aeration kettle 1, a plurality of surface aerators 15 are installed in the sewage aeration kettle 1, a plurality of increase panels 18 are arranged in the sewage aeration kettle 1, a first support connection seat 181 is welded on the outer wall of the increase panel 18, a support rod 19 is inserted into the inner wall of the first support connection seat 181, and the support rod 19 and the first support connection seat 181 are fixed by bolts; the surface aerator 15 and the underwater aerator 21 are used together, which can reduce the cost compared with using the underwater aerator 21, and can also have a better aeration effect of the underwater aerator 21;

[0028] A second support connection seat 20 is welded on the inner wall of the sewage aeration kettle 1, and a support rod 19 is inserted into the inner wall of the second support connection seat 20. The support rod 19 and the second support connection seat 20 are fixed by bolts. A water circulation flow mechanism is also included. Under the action of the water circulation flow mechanism, the sewage in the sewage aeration kettle 1 is pumped onto the increase panel 18 and falls, thereby increasing the surface area of ​​contact between water and air;

[0029] The water pump 8 pumps the sewage in the inner cavity of the sewage aeration kettle 1 onto the increasing panel 18, and the sewage flows on the increasing panel 18, thereby increasing the surface area of ​​the sewage in contact with the air, thereby increasing the aeration effect.

[0030] The surface aerator 15 and the underwater aerator 21 are commonly connected to an air intake mechanism;

[0031] The air intake mechanism includes an air compressor 5, the output end of the air compressor 5 is connected to a first air pipe 6, a pressure regulator 11 and a flow meter 10 are installed on the first air pipe 6, and the pressure regulator 11 is used to adjust the air pressure of the intake air;

[0032] The sewage aeration kettle 1 is provided with an injection port 7 and an overflow port 12, and the heights of the injection port 7 and the overflow port 12 are consistent. Through the overflow port 12, it is possible to prevent more sewage from being injected into the sewage aeration kettle 1 and flooding the increase panel 18. The heights of the injection port 7 and the overflow port 12 are both lower than the height of the lowest increase panel 18. The end of the first air pipe 6 is connected to the second air pipe 14, and the surface aerator 15 and the underwater aerator 21 are both installed on the second air pipe 14.

[0033] The top of the kettle cover 2 is provided with an opening, and also includes a dissolved oxygen meter 3 installed on the kettle cover 2 . The probe of the dissolved oxygen meter 3 passes through the opening and is located at the bottom of the inner cavity of the sewage aeration kettle 1 .

[0034] The water circulation flow mechanism includes a water pump 8 installed on the sewage aeration tank 1, the input end of the water pump 8 is fixedly connected to the first water pipe 9, the first water pipe 9 passes through the sewage aeration tank 1 and extends into the inner cavity of the sewage aeration tank 1, the output end of the water pump 8 is fixedly connected to the second water pipe 17, the outlet of the second water pipe 17 is connected to the third water pipe 16, and the end of the third water pipe 16 is located directly above the center of the increase panel 18.

[0035] In specific use, sewage is injected into the sewage aeration kettle 1 through the injection port 7, and the water level reaches the overflow port 12; the air compressor 5 compresses the air and enters the underwater aerator 21 and the surface aerator 15 through the first air pipe 6 and the second air pipe 14 for aeration;

[0036] The water pump 8 draws water from the sewage aeration kettle 1 and sprays it onto the increasing panel 18 through the second water pipe 17 and the third water pipe 16, thereby increasing the contact between the sewage and the air surface, thereby increasing the aeration area and improving the aeration effect.

[0037] Embodiment 2:

[0038] See attached Figure 4 , which is different from Example 1, is that a plurality of spacers 182 are uniformly welded on the surface of the increase panel 18; at this time, the sewage flowing on the increase panel 18 is more evenly dispersed.

[0039] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A pulsed self-cleaning microporous aeration system for sewage treatment, comprising a sewage aeration kettle (1), wherein an underwater aerator (21) is installed at the bottom of the inner cavity of the sewage aeration kettle (1), characterized in that: A plurality of water surface aerators (15) are installed in the sewage aeration kettle (1), and a plurality of expansion panels (18) are arranged in the sewage aeration kettle (1), and a water circulation flow mechanism is also included. Under the action of the water circulation flow mechanism, the sewage in the sewage aeration kettle (1) is pumped onto the expansion panels (18) and falls, thereby increasing the surface area of ​​contact between water and air.

2. The pulsed self-cleaning microporous aeration system for sewage treatment according to claim 1 is characterized in that: A kettle cover (2) is installed on the top of the sewage aeration kettle (1) via bolts.

3. The pulsed self-cleaning microporous aeration system for sewage treatment according to claim 1 is characterized in that: The water surface aerator (15) and the underwater aerator (21) are commonly connected to an air intake mechanism; The air intake mechanism comprises an air compressor (5), the output end of the air compressor (5) is connected to a first air pipe (6), the end of the first air pipe (6) is connected to a second air pipe (14), and the surface aerator (15) and the underwater aerator (21) are both installed on the second air pipe (14).

4. The pulsed self-cleaning microporous aeration system for sewage treatment according to claim 2 is characterized in that: The top of the kettle cover (2) is provided with an opening, and also comprises a dissolved oxygen meter (3) mounted on the kettle cover (2), wherein a probe of the dissolved oxygen meter (3) passes through the opening and is located at the bottom of the inner cavity of the sewage aeration kettle (1).

5. The pulsed self-cleaning microporous aeration system for sewage treatment according to claim 3 is characterized in that: A pressure regulator (11) and a flow meter (10) are installed on the first air pipe (6); The sewage aeration kettle (1) is provided with a liquid injection port (7) and a water overflow port (12), and the heights of the liquid injection port (7) and the water overflow port (12) are both lower than the height of the lowest increase panel (18).

6. The pulsed self-cleaning microporous aeration system for sewage treatment according to claim 1 is characterized in that: The water circulation flow mechanism comprises a water pump (8) installed on the sewage aeration kettle (1); the input end of the water pump (8) is fixedly connected to a first water pipe (9); the first water pipe (9) passes through the sewage aeration kettle (1) and extends into the inner cavity of the sewage aeration kettle (1); the output end of the water pump (8) is fixedly connected to a second water pipe (17); the outlet of the second water pipe (17) is connected to a third water pipe (16); the end of the third water pipe (16) is located directly above the center of the increase panel (18).

7. The pulsed self-cleaning microporous aeration system for sewage treatment according to claim 6 is characterized in that: A first support connection seat (181) is welded on the outer wall of the added panel (18), a support rod (19) is inserted into the inner wall of the first support connection seat (181), and the support rod (19) and the first support connection seat (181) are fixed by bolts; A second support connection seat (20) is welded on the inner wall of the sewage aeration kettle (1), a support rod (19) is inserted into the inner wall of the second support connection seat (20), and the support rod (19) and the second support connection seat (20) are fixed by bolts.

8. The pulsed self-cleaning microporous aeration system for sewage treatment according to claim 6 is characterized in that: A plurality of spacer bars (182) are uniformly welded on the surface of the added panel (18).

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