Sewage treatment aeration device

Abstract

The utility model discloses a sewage treatment aeration device which comprises an air blower access pipe, the left side of the air blower access pipe is fixedly connected with a main distribution pipe, and the left side and the right side of a tail end distribution pipe are respectively provided with a plurality of groups of aeration anti-backflow tubular components. The aeration device for sewage treatment is provided with the inner lining pipe, the outer aeration pipe and the aeration holes, when the aeration device is used, the air pressure in the inner lining pipe is increased, high-pressure air is sprayed out from the air outlet nozzle to blow the sealing plug to move along the inner part of the inner lining pipe, the spring is stressed to retract, and the space between the inner lining pipe and the outer aeration pipe is rapidly filled with air along with continuous retreating of the sealing plug; when the air blower stops pumping air, the air pressure in the lining pipe is reduced, and the generated air flow pushing force is smaller than the pushing force of the spring, the sealing plug resets to block the air outlet nozzle, so that the sewage is prevented from flowing backwards, and the function of preventing the sewage from flowing backwards through internal self-sealing is realized; the problem that the device does not have the function of internal self-sealing sewage backflow prevention is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aeration device technical field, concretely is a sewage treatment aeration device. BACKGROUND

[0002] Aeration is a means of making air and water contact intensively, and its purpose is to dissolve oxygen in the air in water, or to expel unwanted gases and volatile substances in water into the air.

[0003] At present, the common device for sewage aeration treatment in sewage treatment plant is mostly aeration disc, which is connected to a multi-stage distribution pipe and a blower, the blower pumps gas into the distribution pipe, and the aeration disc on the bottom of the distribution pipe aeration upwards, so that air and sewage are in full contact. However, there are some functional deficiencies in the actual use process, and there is room for improvement, such as disc aeration or pipe aeration, which is placed in the water bottom. When the aeration is stopped, sewage is easy to flow back along the aeration disc or aeration pipe, which is troublesome to clean up and affects the normal aeration effect, and does not have the function of internal self-sealing to prevent sewage backflow.

[0004] Now, a new type of sewage treatment aeration device is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a sewage treatment aeration device to solve the problem of not having the function of internal self-sealing to prevent sewage backflow in the background art.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a sewage treatment aeration device, comprising a blower inlet pipe, the left side of the blower inlet pipe is fixedly connected with a main distribution pipe, the bottom end of the main distribution pipe is vertically fixedly connected with three groups of secondary distribution pipes, the bottom end of the secondary distribution pipe is horizontally fixedly connected with an underwater distribution pipe, the bottom end of the underwater distribution pipe is installed with a plurality of groups of distribution pipe fixing seats, the front and rear ends of the underwater distribution pipe are respectively fixedly connected with a plurality of groups of end distribution pipes, and the left and right sides of the end distribution pipe are respectively provided with a plurality of groups of aeration backflow prevention pipe assemblies.

[0007] The pipe assembly comprises a plurality of groups of inner lining pipes, a plurality of groups of the inner lining pipes are respectively arranged on the left and right sides of the end distribution pipe, the upper and lower ends of the inner lining pipe are respectively provided with gas outlets, the inner lining pipe is fixedly connected with a gas outlet on the inside, a spring is installed on one side of the inner lining pipe, a sealing plug is welded on one side of the spring, an outer aeration pipe is sleeved on the outside of the inner lining pipe, and the inner aeration pipe is uniformly provided with aeration holes.

[0008] Preferably, the outer diameter of the sealing plug is consistent with the inner diameter of the inner lining pipe, and the sealing plug can slide left and right along the inside of the inner lining pipe.

[0009] Preferably, one side of the sealing plug is attached to one side of the air outlet nozzle, and the sealing plug and the air outlet nozzle are not connected.

[0010] Preferably, the inner liner tube and the air outlet nozzle are connected internally, the horizontal center lines of the inner liner tube and the air outlet nozzle coincide, and the threads outside the inner liner tube and the threads inside the outer aeration tube coincide.

[0011] Preferably, one end of the terminal distribution tube is provided with an extended distribution tube, a distribution tube internal thread joint is sleeved between one end of the terminal distribution tube and the extended distribution tube, and the other end of the extended distribution tube is sleeved with a pipe head sealing sleeve.

[0012] Preferably, the terminal distribution tube and the extended distribution tube are completely identical in shape and size, the terminal distribution tube and the extended distribution tube are connected internally, and the threads outside the terminal distribution tube and the extended distribution tube coincide with the threads inside the pipe head sealing sleeve and the distribution tube internal thread joint.

[0013] Preferably, a plurality of groups of distribution tube internal thread mounting bases are fixedly connected to the left and right sides of the terminal distribution tube, respectively, a liner tube connecting head is fixedly connected to one side of the inner liner tube, a distribution tube connecting head is hingedly connected to one side of the liner tube connecting head, a hose is movably connected between the distribution tube connecting head and the liner tube connecting head, and secondary support bases are fixedly connected to the front and rear ends of the terminal distribution tube, respectively.

[0014] Preferably, the threads outside the distribution tube connecting head coincide with the threads inside the distribution tube internal thread mounting base, a damping gasket is arranged at the connecting position of the distribution tube connecting head and the liner tube connecting head, and the inner liner tube, the distribution tube internal thread mounting base, the distribution tube connecting head, and the hose are connected internally.

[0015] Compared with the prior art, the sewage treatment aeration device not only realizes the function of internal self-sealing and sewage backflow prevention, but also realizes the functions of foldable aeration pipe and spliced and lengthened distribution pipe.

[0016] (1) by setting up the inner lining pipe, air outlet hole, air outlet nozzle, spring, sealing plug, outer aeration pipe and aeration hole, when using, the air blower access pipe and air blower butt joint, underwater distribution pipe is fixed in the aeration tank bottom, the butt joint between the two through the main distribution pipe, secondary distribution pipe, when aeration, air blower will pump external air along the air blower access pipe, main distribution pipe, secondary distribution pipe into underwater distribution pipe, high pressure gas along underwater distribution pipe quickly into the end distribution pipe and extension distribution pipe, gas continues to enter the inner lining pipe on both sides of end distribution pipe, extension distribution pipe, with the increase of the air pressure inside the inner lining pipe, high pressure gas is sprayed from the air outlet nozzle, blows sealing plug and makes it along the inner lining pipe inside displacement, spring retracts under force, with the continuous retreat of sealing plug, it no longer covers air outlet hole, air is quickly sprayed along the air outlet hole, air quickly fills between the inner lining pipe and outer aeration pipe, and gushes out along the aeration hole, when air blower stops pumping, the air pressure in the inner lining pipe reduces, when the generated air flow pushing force is less than the spring force, sealing plug resets and blocks the air outlet nozzle, prevents sewage backflow, realizes the function of internal self-closing sewage backflow prevention;

[0017] (2) by setting up end distribution pipe, extension distribution pipe, pipe head sealing sleeve and distribution pipe internal thread joint, when using, end distribution pipe and extension distribution pipe are consistent in specification, extension distribution pipe is extended as end distribution pipe, can be lengthened according to the size of aeration tank, when lengthening, pipe head sealing sleeve is installed between end distribution pipe and extension distribution pipe, is screwed through thread, distribution pipe internal thread joint is sleeved on the end of extension distribution pipe, forms sealing to the end, realizes the function of jointable lengthening of distribution pipe;

[0018] (3) by setting up distribution pipe internal thread mounting seat, distribution pipe connector, lining pipe connector and hose, when using, the actual position of outer aeration pipe is adjusted according to the actual situation of sewage to be treated, when there are more sediments in sewage, which is easy to form sediment layer in sewage tank, the outer aeration pipe is turned up, lining pipe connector is turned up synchronously along distribution pipe connector, the outer aeration pipe and tank bottom keep vertical state, on the one hand, it guarantees stable aeration, on the other hand, it can prevent sediment from blocking, when there are less sediments in sewage, the outer aeration pipe can be laid flat, is connected through secondary support seat and tank bottom, increases the working area of aeration, distribution pipe internal thread mounting seat facilitates quick screwing of distribution pipe connector, hose is used for gas conduction, realizes the function of foldable aeration pipe. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is front view structure schematic diagram of the utility model;

[0020] Figure 2 It is underwater distribution pipe local plan view structure schematic diagram of the utility model;

[0021] Figure 3The utility model discloses an end distribution pipe overhead enlarged explosion structure schematic diagram.

[0022] Figure 4 The utility model discloses an inner lining pipe overhead partial section enlarged structure schematic diagram.

[0023] In the drawing: 1, air blower access pipe, 2, main distribution pipe, 3, secondary distribution pipe, 4, underwater distribution pipe, 5, distribution pipe fixed seat, 6, end distribution pipe, 7, extension distribution pipe, 8, pipe head sealing sleeve, 9, distribution pipe internal thread joint, 10, inner lining pipe, 11, air outlet, 12, air outlet nozzle, 13, spring, 14, sealing plug, 15, outer aeration pipe, 16, aeration hole, 17, distribution pipe internal thread mounting seat, 18, distribution pipe connector, 19, lining pipe connector, 20, hose, 21, secondary support seat. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0025] Embodiment 1: please refer to Figures 1-4 A sewage treatment aeration device, including air blower access pipe 1, the left side fixed connection of air blower access pipe 1 has main distribution pipe 2, the bottom of main distribution pipe 2 Vertical fixed connection has three groups of secondary distribution pipe 3, the bottom of secondary distribution pipe 3 Horizontal fixed connection has underwater distribution pipe 4, the bottom of underwater distribution pipe 4 Install multiple distribution pipe fixed seat 5, the front and rear ends of underwater distribution pipe 4 are fixedly connected with multiple end distribution pipes 6, and the left and right sides of end distribution pipe 6 are provided with multiple aeration anti-backflow pipe assemblies respectively;

[0026] Please refer to Figures 1-4 A sewage treatment aeration device further includes a pipe assembly, the pipe assembly includes multiple inner lining pipes 10, the multiple inner lining pipes 10 are arranged on the left and right sides of the end distribution pipe 6 respectively, the upper and lower ends of the inner lining pipe 10 are provided with air outlets 11 respectively, the inner lining pipe 10 is fixedly connected with air outlet nozzles 12 inside, the inner lining pipe 10 is provided with springs 13 on one side inside, the springs 13 are welded with sealing plugs 14 on one side, the outer lining pipe 10 is sleeved with outer aeration pipes 15, and the inner lining pipe 15 is uniformly provided with aeration holes 16.

[0027] The outer diameter of the sealing plug 14 is consistent with the inner diameter of the inner liner tube 10, the sealing plug 14 can slide along the inside of the inner liner tube 10, one side of the sealing plug 14 is in contact with one side of the air outlet nozzle 12, the sealing plug 14 and the air outlet nozzle 12 are not connected, the inside of the inner liner tube 10 and the air outlet nozzle 12 are connected, the horizontal center lines of the inner liner tube 10 and the air outlet nozzle 12 coincide, the threads on the outside of the inner liner tube 10 and the threads on the inside of the outer aeration pipe 15 match, which can prevent sewage from flowing backward while maintaining aeration capacity;

[0028] Specifically, as shown in Figure 2 and Figure 4 , the air pressure inside the inner liner tube 10 increases, high-pressure gas is sprayed from the air outlet nozzle 12, the sealing plug 14 is blown and displaced along the inside of the inner liner tube 10, the spring 13 is forced to retract, as the sealing plug 14 continues to retreat, it no longer blocks the air outlet hole 11, air is quickly sprayed along the air outlet hole 11, air quickly fills the space between the inner liner tube 10 and the outer aeration pipe 15, and flows outward along the aeration hole 16, when the air blower stops pumping, the air pressure inside the inner liner tube 10 decreases, when the generated air flow pushing force is less than the pushing force of the spring 13, the sealing plug 14 resets to block the air outlet nozzle 12, preventing sewage from flowing backward.

[0029] In example 2, one end of the terminal distribution pipe 6 is provided with an extended distribution pipe 7, a distribution pipe internal threaded joint 9 is sleeved between one end of the terminal distribution pipe 6 and the extended distribution pipe 7, and a pipe head sealing sleeve 8 is sleeved at the other end of the extended distribution pipe 7. The shape and size of the terminal distribution pipe 6 and the extended distribution pipe 7 are completely the same, the inside of the terminal distribution pipe 6 and the extended distribution pipe 7 are connected, the threads on the outside of the terminal distribution pipe 6 and the extended distribution pipe 7 match the threads on the inside of the pipe head sealing sleeve 8 and the distribution pipe internal threaded joint 9, which facilitates lengthening of the distribution pipe;

[0030] Specifically, as shown in Figure 1 and Figure 2 , the terminal distribution pipe 6 is lengthened according to the size of the aeration tank, the pipe head sealing sleeve 8 is installed between the terminal distribution pipe 6 and the extended distribution pipe 7 when lengthening, the distribution pipe internal threaded joint 9 is sleeved at the end of the extended distribution pipe 7, and the end of the extended distribution pipe 7 is sealed.

[0031] In the embodiment 3, the end distribution pipe 6 is fixedly connected with a plurality of groups of distribution pipe inner thread mounting seats 17 on the left and right sides, one side of the inner lining pipe 10 is fixedly connected with a lining pipe connecting head 19, the lining pipe connecting head 19 is hingedly connected with a distribution pipe connecting head 18 on one side, a flexible pipe 20 is movably connected between the distribution pipe connecting head 18 and the lining pipe connecting head 19, the front and rear ends of the outer part of the end distribution pipe 6 are fixedly connected with secondary support seats 21, the threads on the outer part of the distribution pipe connecting head 18 are matched with the threads in the inner part of the distribution pipe inner thread mounting seat 17, a damping gasket is arranged at the connecting position of the distribution pipe connecting head 18 and the lining pipe connecting head 19, and the inner parts of the inner lining pipe 10, the distribution pipe inner thread mounting seat 17, the distribution pipe connecting head 18 and the flexible pipe 20 are communicated, so that the aeration pipe can be conveniently folded up and down.

[0032] Specifically, as shown in Figure 3 and Figure 4 when there are more sediments in the sewage, the outer aeration pipe 15 is folded up, the lining pipe connecting head 19 is synchronously folded up along the distribution pipe connecting head 18, and the outer aeration pipe 15 and the pool bottom are kept in a vertical state, which can not only ensure stable aeration, but also prevent the sediments from being blocked, when there are less sediments in the sewage, the outer aeration pipe 15 can be laid flat and connected with the pool bottom through the secondary support seat 21, so as to increase the working area of aeration, the distribution pipe inner thread mounting seat 17 is convenient for the quick rotation of the distribution pipe connecting head 18, and the flexible pipe 20 is used for the conduction of gas.

[0033] Working principle: the utility model discloses in use, first, air blower connects pipe 1 and air blower butt joint, underwater distribution pipe 4 is fixed in the aeration tank pool bottom, and the both sides are butt joint through main distribution pipe 2, secondary distribution pipe 3, when aeration, air blower will external air along air blower connecting pipe 1, main distribution pipe 2, secondary distribution pipe 3 pump into underwater distribution pipe 4, high-pressure gas along underwater distribution pipe 4 quickly gushes into end distribution pipe 6 and extension distribution pipe 7, and gas continues to enter the inner lining pipe 10 of both sides of end distribution pipe 6, extension distribution pipe 7, with the increase of the air pressure inside inner lining pipe 10, high-pressure gas is sprayed from air outlet 12, and the sealed plug 14 is driven to displace along the inside of inner lining pipe 10, and spring 13 is retracted under force, with the continuous retreat of sealed plug 14, it no longer covers air outlet 11, and air is quickly sprayed along air outlet 11, and air rapidly fills between inner lining pipe 10 and outer aeration pipe 15, and gushes out along aeration hole 16, when air blower stops pumping, when the air pressure in inner lining pipe 10 decreases, and the generated air flow pushing force is less than the pushing force of spring 13, sealed plug 14 resets to block air outlet 12, preventing sewage backflow. End distribution pipe 6, extension distribution pipe 7 are consistent in specification, and extension distribution pipe 7 is extended as end distribution pipe 6, can be lengthened according to the size of aeration tank, and when lengthening, pipe head sealing sleeve 8 is installed between end distribution pipe 6 and extension distribution pipe 7, is screwed through thread, and distribution pipe internal thread joint 9 is sleeved on the end of extension distribution pipe 7, and forms sealing for the end thereof. According to the actual situation of the sewage to be treated, the actual position of outer aeration pipe 15 is adjusted, when there are more sediments in sewage, and it is easy to form a sediment layer in the sewage tank, the outer aeration pipe 15 is turned up, and the lining pipe connecting head 19 is turned up synchronously along the distribution pipe connecting head 18, and the outer aeration pipe 15 and the pool bottom are kept in a vertical state, which on the one hand ensures stable aeration, and on the other hand prevents sediment from blocking, when there are less sediments in sewage, the outer aeration pipe 15 can be placed horizontally, is connected through secondary support base 21 and the pool bottom, increases the working area of aeration, and distribution pipe internal thread mounting seat 17 facilitates the quick rotation of distribution pipe connecting head 18, and hose 20 is used for gas conduction.

[0034] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

Claims

1. A sewage treatment aeration device comprising a blower intake pipe (1), characterised in that: The left side of the air blower access pipe (1) is fixedly connected with a main distribution pipe (2), the bottom end of the main distribution pipe (2) is vertically fixedly connected with three groups of secondary distribution pipes (3), the bottom end of the secondary distribution pipe (3) is fixedly connected with an underwater distribution pipe (4) horizontally, a plurality of distribution pipe fixing seats (5) are installed at the bottom end of the underwater distribution pipe (4), a plurality of terminal distribution pipes (6) are fixedly connected at the front and rear ends of the underwater distribution pipe (4) respectively, and a plurality of aeration anti-backflow tubular assemblies are arranged on the left and right sides of the terminal distribution pipe (6) respectively. The tubular assembly comprises a plurality of inner lining pipes (10), a plurality of the inner lining pipes (10) are arranged on the left and right sides of the terminal distribution pipe (6) respectively, gas outlet holes (11) are arranged at the upper and lower ends of the inner lining pipe (10) respectively, a gas outlet nozzle (12) is fixedly connected in the inner lining pipe (10), a spring (13) is installed on one side in the inner lining pipe (10), a sealing plug (14) is welded on one side of the spring (13), and an outer aeration pipe (15) is sleeved outside the inner lining pipe (10).

2. A sewage treatment aeration device according to claim 1, characterised in that: The outer diameter of the sealing plug (14) is consistent with the inner diameter of the inner lining pipe (10), and the sealing plug (14) can slide left and right along the inside of the inner lining pipe (10).

3. A sewage treatment aeration device according to claim 1, characterised in that: One side of the sealing plug (14) is attached to one side of the gas outlet nozzle (12), and the sealing plug (14) and the gas outlet nozzle (12) are not connected.

4. A sewage treatment aeration device according to claim 1, characterised in that: The inside of the inner lining pipe (10) and the gas outlet nozzle (12) is communicated, the horizontal center lines of the inner lining pipe (10) and the gas outlet nozzle (12) coincide, and the threads outside the inner lining pipe (10) and the threads inside the outer aeration pipe (15) match.

5. A sewage treatment aeration device according to claim 1, characterised in that: One end of the terminal distribution pipe (6) is provided with an extension distribution pipe (7), a distribution pipe internal thread joint (9) is sleeved between one end of the terminal distribution pipe (6) and the extension distribution pipe (7), and the other end of the extension distribution pipe (7) is sleeved with a pipe head sealing sleeve (8).

6. A sewage treatment aeration device according to claim 1, characterised in that: The shape and size of the terminal distribution pipe (6) and the extension distribution pipe (7) are completely the same, the inside of the terminal distribution pipe (6) and the extension distribution pipe (7) is communicated, and the threads outside the terminal distribution pipe (6) and the extension distribution pipe (7) and the threads inside the pipe head sealing sleeve (8) and the distribution pipe internal thread joint (9) match.

7. A sewage treatment aeration device according to claim 1, wherein: A plurality of distribution pipe internal thread mounting seats (17) are fixedly connected to the left and right sides of the terminal distribution pipe (6) respectively, a lining pipe connecting head (19) is fixedly connected to one side of the inner lining pipe (10), a distribution pipe connecting head (18) is hinged to one side of the lining pipe connecting head (19), a hose (20) is movably connected between the distribution pipe connecting head (18) and the lining pipe connecting head (19), and secondary support seats (21) are fixedly connected to the front and rear ends of the outer terminal distribution pipe (6) respectively.

8. A sewage treatment aeration device according to claim 7, characterised in that: The thread outside the distribution pipe connector (18) and the thread inside the distribution pipe internal thread mounting base (17) are matched, the connection between the distribution pipe connector (18) and the liner pipe connector (19) is provided with a damping gasket, and the inside of the inner liner pipe (10), the distribution pipe internal thread mounting base (17), the distribution pipe connector (18) and the hose (20) are connected.

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