CN216837348U - Biochemical aeration equipment of sewage treatment plant - Google Patents

Abstract

The utility model discloses a biochemical aeration device for a sewage treatment plant, which comprises a sewage tank, the top of the sewage tank is provided with an opening, and an air guide pipe is inserted into the left side of the sewage tank near the bottom. The left end is fixedly connected with an air pump, the right end of the air guide pipe is fixedly connected with a resistance-return lift pipe, the top of the resistance-back lift pipe is provided with a linkage mechanism, and the top of the resistance-back lift pipe is provided with a through hole near the left side, A baffle plate is fixedly connected to the inner cavity of the resistance-return lift pipe near the center, and the baffle plate is provided with air holes near the top. The air outlet pipe is sealed to prevent the slow sealing speed of the air outlet pipe from causing debris such as sediment to block the air outlet pipe. This setting greatly improves the service life of the equipment and reduces the labor for manual cleaning.

Description

A biochemical aeration device for a sewage treatment plant

technical field

The utility model relates to the technical field of sewage treatment, in particular to a biochemical aeration device for a sewage treatment plant.

Background technique

Sewage treatment is a process of purifying sewage to meet the water quality requirements for discharge into a water body or reuse. Among them, aerator is a common type of sewage treatment equipment. In the treated sewage, under the combined action of coagulants and flocculants, the suspended matter undergoes physical flocculation and chemical flocculation, thereby forming large suspended matter flocs, and the flocs float to the liquid surface under the buoyancy of the bubble group. The scum is separated from the water using a slag scraper.

Although the air outlet hole of the existing aerator will not be blocked during the air outlet process, when the aerator stops running, the impurities in the sewage still block the air outlet hole, which reduces the practicability.

Utility model content

In order to overcome the deficiencies of the prior art, one of the objectives of the present invention is to provide a biochemical aeration device for a sewage treatment plant.

One of the purposes of the present utility model adopts the following technical scheme to realize:

A biochemical aeration device for a sewage treatment plant, comprising a sewage tank, the top of the sewage tank is provided with an opening, an air duct is inserted on the left side of the sewage tank near the bottom, and an air pump is fixedly connected to the left end of the air duct , the right end of the air duct is fixedly connected with a resistance-return lifting tube, the top of the resistance-return lifting tube is provided with a linkage mechanism, and the top of the resistance-return lifting tube is provided with a through hole near the left side, and the resistance-return lifting tube is provided with a through hole. The inner cavity of the tube is fixedly connected with a baffle near the center, the baffle is provided with an air hole near the top, the right side of the resistance return lift pipe is fixedly connected with a limit rod near the top, and the right side of the resistance return lift pipe is fixedly connected. The side near the bottom is inserted with an aeration rod, the top of the aeration rod is plugged with a number of air outlet pipes, the tops of the several air outlet pipes are all open, and the top openings of the air outlet pipes are all open. A sealing cover is hinged, and the top of the sealing cover near the left side and the bottom end of the adjacent movable rod are mutually hingedly arranged.

Further, the linkage mechanism includes a linkage rod, a protective cover is fixedly connected to the top of the resistance-return lift pipe near the left side, the top of the protective cover is provided with a second perforation near the center, and the bottom of the linkage rod is The end penetrates the inner cavity of the second perforation and is fixedly connected with a connecting plate, the bottom end of the linkage rod is sleeved with a spring, the bottom of the connecting plate is fixedly connected with a telescopic rod, and the top of the resistance-return lift pipe is close to the center A third perforation is opened at the end, the telescopic rod penetrates the inner cavity of the third perforation, and the bottom end of the telescopic rod is fixedly connected with an airtight block.

Further, a plurality of first through holes are opened on the limit rod, and a movable rod is passed through the inner cavity of the plurality of first through holes, the movable rod is hinged near the center, and the top end of the movable rod Fixed connection with linkage rod.

Further, the cross-section of the linkage rod is L-shaped, and the longer end of the L-shaped configuration of the linkage rod faces right.

Further, several of the air outlet pipes are linearly arranged in sequence from left to right.

Further, the cross section of the limiting rod is L-shaped, and the shorter end of the L-shaped setting of the limiting rod faces downward and is fixedly connected with the aeration rod.

Further, the inner cavities of the air guide tube, the resistance-return lift tube and the aeration rod are all arranged to pass through each other.

Compared with the prior art, the beneficial effects of the present utility model are:

Through the mutual cooperation of various components, the equipment can seal the air outlet pipe immediately after the aeration is completed, so as to prevent the slow sealing speed of the air outlet pipe from causing debris such as sediment to block the air outlet pipe, which greatly improves the use of the equipment. life, and reduce the labor of manual cleaning.

The above description is only an overview of the technical solution of the present invention, in order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the description, and in order to make the above-mentioned and other purposes, features and advantages of the present invention better. It is obvious and easy to understand, and the preferred embodiments are exemplified below, and the detailed description is as follows in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the front view of this embodiment;

Fig. 2 is an enlarged view at A in Fig. 1;

Fig. 3 is an enlarged view at B in Fig. 1;

FIG. 4 is a top view of this embodiment.

In the picture: 1, sewage pool; 2, air pump; 3, air guide pipe; 4, aeration rod; 5, linkage rod; 6, spring; 7, protective cover; 8, connecting plate; 9, telescopic rod; 10, gas dense block; 11, baffle plate; 12, resistance return lift pipe; 13, movable rod; 14, limit rod; 15, air outlet pipe; 16, sealing cover; 17, linkage mechanism.

Detailed ways

Hereinafter, the present utility model will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that, on the premise of no conflict, the embodiments or technical features described below can be arbitrarily combined to form new implementations. example.

It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a co-existence of an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to Figures 1 to 4. A biochemical aeration device for a sewage treatment plant includes a sewage tank 1. The top of the sewage tank 1 is provided with an opening. The left side of the sewage tank 1 is plugged with an air duct 3 near the bottom. 3. The inner cavities of the resistance-return lifting pipe 12 and the aeration rod 4 are arranged through each other. The air pump 2 is fixedly connected to the left end of the air guide pipe 3, and the resistance-return lifting pipe 12 is fixedly connected to the right end of the air guide pipe 3. The resistance-return lifting pipe The top of 12 is provided with a linkage mechanism 17, the top of the resisting lift pipe 12 is provided with a through hole near the left side, the inner cavity of the resisting lifting pipe 12 is fixedly connected with a baffle 11 near the center, and the baffle 11 is opened near the top. There are air holes, and the right side of the resistance lift pipe 12 is fixedly connected to the limit rod 14 near the top. The limit rod 14 is provided with a number of first perforations, and the inner cavity of the several first perforations is penetrated by the movable rod 13. The rod 13 is hinged near the center, and the top end of the movable rod 13 is fixedly connected with the linkage rod 5, the cross-section of the limit rod 14 is L-shaped, and the shorter end of the L-shaped set of the limit rod 14 faces downward and is connected with the linkage rod 5. The aeration rods 4 are fixedly connected, and the aeration rods 4 are inserted into the right side of the resistance lift pipe 12 near the bottom. The left to right are arranged in a linear order, the tops of several air outlet pipes 15 are all open, and the top openings of the air outlet pipes 15 are hinged with a sealing cover 16, and the top of the sealing cover 16 is close to the left side and adjacent to the movable rod The bottom ends of 13 are hinged to each other.

The linkage mechanism 17 includes a linkage rod 5, the cross-section of the linkage rod 5 is L-shaped, and the longer end of the L-shaped set of the linkage rod 5 faces the right, and the top of the resistance lift pipe 12 is fixedly connected to the left side with a protective cover. 7, the top of the protective cover 7 is provided with a second perforation near the center, the bottom end of the linkage rod 5 penetrates the inner cavity of the second perforation and is fixedly connected with a connecting plate 8, and the bottom end of the linkage rod 5 is sleeved with a spring 6, A telescopic rod 9 is fixedly connected to the bottom of the connecting plate 8, a third perforation is opened at the top of the resistance lift pipe 12 near the center, the telescopic rod 9 penetrates the inner cavity of the third perforation, and the bottom end of the telescopic rod 9 is fixedly connected with a gas. The dense block 10 seals the top of the air outlet pipe 15 through the action of linkage, so as to prevent the air outlet pipe 15 from being blocked by debris such as sediment due to the slow sealing speed of the air outlet pipe 15 .

Working principle: First fill the sewage pool 1 with sewage, start the air pump 2, and transport the gas to the sewage in the inner cavity of the sewage pool 1 through the power output of the air pump 2. Then, through the lumen of the airway tube 3, it enters the inner cavity of the resistance-return lift tube 12. At this time, after the gas increases, the air pressure in the inner cavity of the airway tube 3 increases and pushes the airtight block 10 to the inner cavity of the resistance-return lift tube 12. The movement is performed at the top. At this time, when the airtight block 10 moves to the top, the telescopic rod 9 is pushed, and the adjacent connecting plate 8 is pushed to the top by the telescopic rod 9. At this time, the adjacent connecting plate 8 is pushed to the top. The linkage rod 5 moves to the top. At this time, after the height of the airtight block 10 is higher than the height of the air hole, the gas passes through the air hole and enters the inner cavity of the aeration rod 4. At this time, the phase is pulled through the linkage relationship of the linkage rod 5. The adjacent movable rod 13 moves to the bottom, and the adjacent sealing cover 16 is pulled by the movable rod 13 to move to the top. At this time, the sealing cover 16 is opened, so that the gas enters the adjacent air through the inner cavity of the aeration rod 4. In the inner cavity of the air outlet pipe 15, it is sprayed out through the top opening of the air outlet pipe 15 and oxygen is added to the sewage to complete the aeration. At the same time, the linkage drives the adjacent linkage rod 5 and the movable rod 13 to move to the bottom, and seals the top of the air outlet pipe 15. This operation can completely clean the air outlet pipe immediately after the aeration is completed. 15 is sealed to prevent the air outlet pipe 15 from being blocked by sand and other debris due to the slow sealing speed of the air outlet pipe 15. This arrangement greatly improves the service life of the equipment and reduces the labor for manual cleaning.

The above-mentioned embodiments are only the preferred embodiments of the present invention, and the scope of protection of the present invention cannot be limited by this. Any insubstantial changes and replacements made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. The scope of protection of the utility model.

Claims (7)

1. A biochemical aeration device for a sewage treatment plant, comprising a sewage tank (1), characterized in that: the top of the sewage tank (1) is provided with an opening, and the left side of the sewage tank (1) is inserted near the bottom. An airway tube (3) is connected, the left end of the airway tube (3) is fixedly connected with an air pump (2), and the right end of the airway tube (3) is fixedly connected with a resistance-return lift pipe (12), the resistance-return lift The top of the pipe (12) is provided with a linkage mechanism (17), the top of the resistive lift pipe (12) is provided with a through hole near the left side, and the inner cavity of the resistive lift pipe (12) is fixed near the center A baffle (11) is connected, the baffle (11) is provided with an air hole near the top, and a limit rod (14) is fixedly connected to the right side of the resistance lift pipe (12) near the top, and the resistance return Aeration rods (4) are inserted into the right side of the lift pipe (12) near the bottom, and a plurality of air outlet pipes (15) are inserted into the top of the aeration rods (4). The top of 15) is provided with openings, and the top opening of the air outlet pipe (15) is hinged with a sealing cover (16). The bottom ends of 13) are hinged to each other. 2 . The biochemical aeration device for a sewage treatment plant according to claim 1 , wherein the linkage mechanism ( 17 ) comprises a linkage rod ( 5 ), and the top of the resistance-return lift pipe ( 12 ) is close to the left A protective cover (7) is fixedly connected to the side, the top of the protective cover (7) is provided with a second perforation near the center, and the bottom end of the linkage rod (5) penetrates the inner cavity of the second perforation and is fixedly connected with a A connecting plate (8), a spring (6) is sleeved at the bottom end of the linkage rod (5), a telescopic rod (9) is fixedly connected to the bottom of the connecting plate (8), and the resistance return lift pipe ( 12) A third perforation is opened at the top near the center, the telescopic rod (9) penetrates the inner cavity of the third perforation, and the bottom end of the telescopic rod (9) is fixedly connected with an airtight block (10). 3. A biochemical aeration device for a sewage treatment plant according to claim 1, characterized in that: the limit rod (14) is provided with a plurality of first perforations, and the inner cavities of the first perforations A movable rod (13) is penetrated therethrough, the movable rod (13) is hingedly arranged near the center, and the top end of the movable rod (13) is fixedly connected with the linkage rod (5). 4. A biochemical aeration device for a sewage treatment plant according to claim 2, characterized in that: the cross section of the linkage rod (5) is L-shaped, and the linkage rod (5) is L-shaped. The longer end faces right. 5 . The biochemical aeration device for a sewage treatment plant according to claim 1 , characterized in that: a plurality of the air outlet pipes ( 15 ) are arranged in a linear order from left to right. 6 . 6 . The biochemical aeration device for a sewage treatment plant according to claim 1 , wherein the cross section of the limit rod ( 14 ) is L-shaped, and the L of the limit rod ( 14 ) is L-shaped. 7 . The shorter end of the shape is set downward and is fixedly connected with the aeration rod (4). 7 . The biochemical aeration device for a sewage treatment plant according to claim 1 , wherein the inner cavities of the air guide pipe ( 3 ), the resistance-return lift pipe ( 12 ) and the aeration rod ( 4 ) are all 7 . Interconnected settings.

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