CN212203236U

CN212203236U - Sewage treatment buoyancy valve

Info

Publication number: CN212203236U
Application number: CN202020693798.3U
Authority: CN
Inventors: 周科; 郭智英; 梁九祥; 程建英; 史守忠; 任虎俊; 翟丽娟; 张伟杰; 李青海
Original assignee: Hydrogeology Bureau of China National Administration of Coal Geology
Current assignee: Hydrogeology Bureau of China National Administration of Coal Geology
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-22
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to a sewage treatment buoyancy valve, it comprises pipe chute, aeration hole, aeration pipe, connecting pipe, gear, first stopper, direction balladeur train, closing plate, connecting rod, fixed ear, first stopper, first rack, buoy piece and the second rack of bending. The sewage treatment buoyancy valve realizes the automatic opening and closing of the aeration hole by utilizing the air pressure change in the aeration pipe so as to prevent sewage in the aeration pipe from flowing backwards. Can prevent sewage water backflow protection to the aeration pipe inside, guarantee the normal life of aeration pipe.

Description

Sewage treatment buoyancy valve

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to sewage treatment buoyancy valve.

Background

The aeration tank is one of the important component parts in the current sewage treatment system, it utilizes the activated sludge process to carry out sewage treatment, provide certain sewage dwell time in the pond, satisfy the oxygen content that aerobic microorganism needs and the mixed condition of sewage and activated sludge full contact, and the aeration tank mainly comprises cell body, aeration system and inlet outlet three part, wherein the aeration pipe among the aeration system is when meetting the fan and closing or the trouble shut down in the use, because the reduction of gas pressure in the aeration pipe leads to sewage to flow backward in the aeration pipe easily, cause the corruption to the aeration pipe inside, block up and influence its normal life.

The publication number CN207596576U discloses a bottom air flue perforated aeration pipe, which comprises a perforated aeration pipe, wherein an aeration hole is formed in the perforated aeration pipe, one end of the perforated aeration pipe is used for air inlet, and the other end of the perforated aeration pipe is provided with a blank plate plug.

Notice No. CN208394910U discloses a novel perforation aeration pipe, including perforation aeration pipe, its characterized in that perforation aeration pipe middle part and aeration intake pipe form rotatable coupling, with the bearing department is established at perforation aeration pipe middle part for the demarcation point, to the first end direction of perforation aeration pipe is provided with the aeration hole of first row, to perforation aeration pipe second end direction is provided with the second row aeration hole that corresponds, the first row aeration hole of perforation aeration pipe and the second row aeration hole trompil direction are towards the both sides of aeration pipe respectively, and this aeration pipe can't be protected the sewage phenomenon of pouring when shutting down the latter trouble to the fan.

SUMMERY OF THE UTILITY MODEL

In order to improve the condition, the utility model discloses sewage treatment buoyancy valve provides one kind and utilizes the atmospheric pressure change in the aeration pipe, realizes the automatic switch in aeration hole to prevent the inside sewage of aeration pipe from flowing backward's buoyancy valve. Can prevent sewage water backflow protection to the aeration pipe inside, guarantee the normal life of aeration pipe.

In order to achieve the above purpose, the technical solution of the present invention is as follows: a buoyancy valve for sewage treatment comprises an aeration pipe and a bent inclined pipe, wherein the aeration pipe is horizontally arranged, one end of the aeration pipe is communicated with an aeration system, one end of the bent inclined pipe is communicated with the other end of the aeration pipe, the other end of the aeration pipe is bent downwards, aeration holes are uniformly distributed on the pipe wall of the aeration pipe, sealing plates which are in one-to-one correspondence with the aeration holes are also arranged in the aeration pipe, the sealing plates are connected in sequence through connecting rods, the connecting rods are in transmission connection with the gears through first racks, a gear is arranged in the bent inclined tube, the gear is rotationally connected with the bent part of the bent inclined tube, the other end of the bent inclined tube is provided with a buoy block, the buoy block is in transmission connection with the gear through a second rack, when the buoy block descends, the sealing plate moves to open the corresponding aeration hole, and when the buoy block ascends, the sealing plate moves to seal the corresponding aeration hole.

The utility model has the advantages that: the utility model provides a pair of sewage treatment buoyancy valve, it utilizes the transmission of buoyancy piece and closing plate to be connected, closes or the trouble is shut down at the fan, and when stopping the aeration, the sealing in automatic control aeration hole to can prevent that sewage from flowing backward, guarantee the life of aeration pipe. The other end of the bent inclined tube is bent downwards in an inclined mode, so that an included angle is formed between the first rack and the second rack, and transmission is facilitated.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, one end of the connecting rod, which is close to the first rack, is provided with a guide sliding frame, the guide sliding frame extends along the radial direction of the aeration pipe, two ends of the guide sliding frame are contacted with the inner wall of the aeration pipe, and the first rack is connected with the guide sliding frame.

The beneficial effect of adopting the further scheme is that: the guide sliding frame supports the first rack to stably slide along the inner wall of the aeration pipe.

Furthermore, one side of the aeration hole, which is far away from the bent inclined tube, is provided with a first limiting block for limiting the sealing plate.

The beneficial effect of adopting the further scheme is that: the first limiting block is used for limiting the position of the sealing plate for sealing the aeration hole, when the sealing plate moves to abut against the first limiting block, the sealing plate just seals the aeration hole, and if the sealing plate does not have the positioning function of the first limiting block, the sealing plate can move excessively to cause the sealing of the aeration hole.

Further, the inner wall of one end of the aeration pipe is further provided with a second limiting block, and the second limiting block protrudes towards the axis of the aeration pipe and is used for limiting the guide sliding frame.

The beneficial effect of adopting the further scheme is that: the second limiting block limits the movement of the guide carriage so as to limit the buoy block to be too far away from the gear and then to be separated from the bent inclined tube.

Furthermore, the inner wall of the aeration pipe is also provided with a fixing lug, and the connecting rod passes through the fixing lug and moves along the inner wall of the aeration pipe.

The beneficial effect of adopting the further scheme is that: the design of fixed ear can carry out auxiliary stay to the connecting rod, avoids the connecting rod to take place deformation and influences the sealed effect of closing plate.

Furthermore, one end of the aeration pipe is provided with a connecting pipe, and the outer wall of the connecting pipe is provided with an external thread which is screwed with other components.

The beneficial effect of adopting the further scheme is that: the connecting pipe is used for being conveniently detachably connected with the aeration system.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

FIG. 1 is a three-dimensional structure view of a buoyancy valve for sewage treatment according to the present invention;

FIG. 2 is a schematic view of a sewage treatment buoyancy valve provided by the present invention;

FIG. 3 is a three-dimensional structure diagram of a sewage treatment buoyancy valve sealing plate group provided by the utility model;

FIG. 4 is a schematic view of the structure of the buoyancy valve for sewage treatment during aeration.

In the attached drawings

Wherein the method comprises the following steps: the device comprises a bent inclined tube 1, an aeration hole 2, an aeration tube 3, a connecting tube 4, a gear 5, a second limiting block 6, a guide sliding frame 7, a sealing plate 8, a connecting rod 9, a fixing lug 10, a first limiting block 11, a first rack 12, a buoy block 13 and a second rack 14.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-4, the examples given are intended to illustrate the present invention and are not intended to limit the scope of the invention.

As shown in fig. 1-4, the utility model provides a sewage treatment buoyancy valve, including aeration pipe 3 and the pipe chute 1 of buckling, 3 levels of aeration pipe set up and one end and aeration system intercommunication, the other end with the pipe chute 1 intercommunication of buckling, 1 one end of the pipe chute of buckling with the other end intercommunication of aeration pipe 3, its other end is buckled downwards, aeration hole 2 has evenly distributed on the pipe wall of aeration pipe 3, just still be equipped with in the aeration pipe 3 with the closing plate 8 of 2 one-to-one in aeration hole, closing plate 8 connects gradually through connecting rod 9, be equipped with gear 5 in the pipe chute 1 of buckling, gear 5 rotates with the department of buckling of the pipe chute 1 and is connected, for example, the axle center both ends of gear 5 with the double-phase opposite side wall of the pipe chute 1 of buckling is fixed, gear 5 winds the axle center rotates. The connecting rod 9 is in transmission connection with the gear 5 through a first rack 12, the other end of the bent inclined tube 1 is provided with a floating mark block 13, the floating mark block 13 is in transmission connection with the gear 5 through a second rack 14, when the floating mark block 13 descends, the second rack 14 moves downwards and drives the gear 5 to rotate, the gear 5 rotates and drives the first rack 12 to move towards the bent inclined tube 1, so that the connecting rod 9 is driven to move, and the sealing plate 8 moves to open the corresponding aeration hole 2; similarly, when the float block 13 is raised, the sealing plate 8 moves to seal the corresponding aeration hole 2.

The utility model provides a pair of sewage treatment buoyancy valve, it utilizes buoyancy piece 13 to be connected with closing plate 8's transmission, closes or the trouble is shut down at the fan, and when stopping the aeration, the sealing in automatic control aeration hole 2 to can prevent that sewage from flowing backward, guarantee aeration pipe 3's life. The other end of the bent inclined tube 1 is bent obliquely downwards, so that an included angle is formed between the first rack 12 and the second rack 14, and transmission is facilitated.

Further, one end of the connecting rod 9, which is close to the first rack 12, is provided with a guide carriage 7, the guide carriage 7 extends in the radial direction of the aeration pipe 3, and both ends of the guide carriage 7 are in contact with the inner wall of the aeration pipe 3, and the first rack 12 is connected with the guide carriage 7.

Further, a first limiting block 11 for limiting the sealing plate is arranged on one side, away from the bent inclined tube 1, of the aeration hole 2. The first limiting block 11 is used for limiting the position of the sealing plate 8 for closing the aeration hole 2, when the sealing plate 8 moves to abut against the first limiting block 11, the sealing plate 8 just seals the aeration hole 2, and if the positioning effect of the first limiting block 11 is not available, the sealing plate 8 may move excessively to cause the tightness of the aeration hole 2.

Further, a second limiting block 6 is further arranged on the inner wall of one end of the aeration pipe 3, and the second limiting block 6 protrudes towards the axis of the aeration pipe 3 and is used for limiting the guide sliding frame 7. The second limiting block 6 limits the movement of the guide carriage 7, so that the floating mark block 13 is limited to be too far away from the gear 5, and thus the bent inclined tube 1 is separated.

Further, the inner wall of the aeration pipe 3 is also provided with a fixing lug 10, and the connecting rod 9 passes through the fixing lug 10 and moves along the inner wall of the aeration pipe 3. The design of fixed ear 10 can carry out auxiliary stay to connecting rod 9, avoids connecting rod 9 to take place deformation and influences the sealed effect of closing plate 8.

Furthermore, one end of the aeration pipe 3 is provided with a connecting pipe 4, and the outer wall of the connecting pipe 4 is provided with an external thread for screwing with other components. The connecting pipe 4 is used for being conveniently detachably connected with the aeration system.

The utility model discloses a buoyancy valve for sewage treatment is realized like this, by bending pipe chute 1, aeration hole 2, aeration pipe 3, connecting pipe 4, gear 5, first stopper 6, direction balladeur train 7, closing plate 8, connecting rod 9, fixed ear 10, first stopper 11, first rack 12, buoy piece 13 and second rack 14 constitute, bend pipe chute 1's one end cover and locate aeration pipe 3's one end, bend pipe chute 1's the other end and bend to the declivity, connecting pipe 4 and aeration pipe 3's the other end is connected, connecting pipe 4 is overhead has the external screw thread, aeration pipe 3 is last to open has a plurality of aeration holes 2, gear 5 locates to bend of bending pipe chute 1, the axle on gear 5 is connected with bending pipe chute 1 through the bearing, buoy piece 13 is located in bending pipe chute 1's the other end, second rack 14's one end and buoy piece 13 fixed connection, the other end of second rack 14 extends along the central line of bending pipe chute 1's the other end, the second rack 14 is meshed with the gear 5, the guide carriage 7 is arranged in the aeration pipe 3 and is close to one end of the aeration pipe 3, one end of the first rack 12 is fixedly connected with the guide carriage 7, the other end of the first rack 12 extends along the central line of the aeration pipe 3, the first rack 12 is meshed with the gear 5, one end of the connecting rod 9 is connected with the guide carriage 7, the fixing lugs 10 are arranged on the inner wall of the aeration pipe 3, the other end of the connecting rod 9 sequentially penetrates through the fixing lugs 10, the sealing plates 8 are in one-to-one correspondence with the aeration holes 2, the edge of each aeration hole 2 is provided with a first limiting block 11, and the first limiting block 6 is arranged on the inner wall of the aeration pipe 3 and is close to one end of the aeration pipe 3;

when the aerator is used, a person firstly communicates the connecting pipe 4 with an external aeration system, when aeration is carried out, the pressure of gas inside the aeration pipe 3 is increased, the gas pushes the buoy block 13 to move towards the outside of the pipe, the buoy block 13 moves to drive the second rack 14 to move outwards, the second rack 14 moves to drive the gear 5 to rotate, so that the first rack 12 is driven to move outwards, the first rack 12 moves to drive the guide sliding frame 7 to move, the connecting rod 9 is further pulled, the positions of the sealing plate 8 and the positions of the aeration holes 2 are staggered, and the aeration holes 2 are exposed for aeration; when meetting that the fan is closed or the trouble is shut down, and when stopping the aeration, the inside atmospheric pressure of aeration pipe 3 reduces, buoy block 13 is inwards withdrawed under outside water pressure, and then drives second rack 14 inwards move, and drive first rack 12 inwards move through gear 5 rack, and then make aeration hole 2 on the closing plate 8 shutoff again, avoid sewage to pour into aeration pipe 3 in, to the inside antifouling water protection of pouring into of aeration pipe 3, guarantee aeration pipe 3's normal life.

The other end of the bent inclined tube 1 is bent downwards in an inclined mode, so that an included angle is formed between the first rack 12 and the second rack 14, and transmission is facilitated; the edge of the aeration hole 2 is provided with a first limit block 11, when the buoy block 13 is retracted, the position of the sealing plate 8 is limited, so that the sealing plate can correspond to the aeration hole 2, and the sealing effect is good; the first limiting block 6 is designed to limit the position of the guide carriage 7 when the buoy block 13 moves outwards during aeration, so that the buoy block 13 is limited, and the buoy block 13 is prevented from falling off; the fixing lug 10 is designed to support the connecting rod 9 in an auxiliary manner, so that the connecting rod 9 is prevented from deforming to influence the sealing effect of the sealing plate 8; the purpose of utilizing the air pressure change in the aeration pipe 3 to realize the automatic opening and closing of the aeration holes 2 so as to prevent the sewage in the aeration pipe 3 from flowing backwards is achieved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a sewage treatment buoyancy valve which characterized in that: comprises an aeration pipe (3) and a bent inclined pipe (1), wherein the aeration pipe (3) is horizontally arranged, one end of the aeration pipe is communicated with an aeration system, one end of the bent inclined pipe (1) is communicated with the other end of the aeration pipe (3), the other end of the bent inclined pipe is bent downwards, aeration holes (2) are uniformly distributed on the pipe wall of the aeration pipe (3), sealing plates (8) which are in one-to-one correspondence with the aeration holes (2) are further arranged in the aeration pipe (3), the sealing plates (8) are sequentially connected through connecting rods (9), gears (5) are arranged in the bent inclined pipe (1), the gears (5) are rotatably connected with the bent parts of the bent inclined pipe (1), the connecting rods (9) are in transmission connection with the gears (5) through first racks (12), the other end of the bent inclined pipe (1) is provided with a floating mark block (13), and the floating mark block (13) is in transmission connection with the gears (5) through second racks (14), when the buoy block (13) descends, the sealing plate (8) moves to open the corresponding aeration hole (2), and when the buoy block (13) ascends, the sealing plate (8) moves to seal the corresponding aeration hole (2).

2. The buoyancy valve for sewage treatment according to claim 1, wherein one end of the connecting rod (9) near the first rack (12) is provided with a guide carriage (7), the guide carriage (7) extends along the radial direction of the aeration pipe (3) and both ends of the guide carriage are in contact with the inner wall of the aeration pipe (3), and the first rack (12) is connected with the guide carriage (7).

3. The buoyancy valve for sewage treatment according to claim 2, wherein a first limiting block (11) for limiting the sealing plate (8) is arranged on one side of the aeration hole (2) far away from the bent inclined tube (1).

4. The buoyancy valve for sewage treatment according to claim 2, wherein a second limiting block (6) is further disposed on an inner wall of one end of the aeration pipe (3), and the second limiting block (6) protrudes toward the axis of the aeration pipe (3) and is used for limiting the guide carriage (7).

5. The buoyancy valve for sewage treatment according to any one of claims 1 to 4, wherein the inner wall of the aerator pipe (3) is further provided with a fixing lug (10), and the connecting rod (9) passes through the fixing lug (10) and moves along the inner wall of the aerator pipe (3).

6. The buoyancy valve for sewage treatment according to claim 5, wherein one end of the aeration pipe (3) is provided with a connecting pipe (4), and the outer wall of the connecting pipe (4) is provided with an external thread for screwing with other components.