CN215161387U

CN215161387U - Up-flow biological nitrogen and phosphorus removal sewage treatment device

Info

Publication number: CN215161387U
Application number: CN202120682073.9U
Authority: CN
Inventors: 吴昌春
Original assignee: Shenzhen Cfg Environmental Protection Industrial Co ltd
Current assignee: Shenzhen Cfg Environmental Protection Industrial Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-12-14
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses an upflow biological nitrogen and phosphorus removal sewage treatment plant, including oxygen deficiency reaction tank, anaerobic reaction tank and mixed liquid back flow, oxygen deficiency reaction tank and anaerobic reaction tank next-door neighbour set up, fixedly connected with diaphragm in the oxygen deficiency reaction tank, the diaphragm runs through from top to bottom and is equipped with the rotating tube rather than rotating and being connected, the rotating tube is connected through actuating mechanism with mixed liquid back flow, the reciprocal lead screw of interior bottom fixedly connected with of oxygen deficiency reaction tank, the outside cover of reciprocal lead screw is equipped with rather than the assorted lantern ring, the inside of rotating tube is equipped with rather than the flexible pipe of assorted, flexible pipe is through the upper end fixed connection of two connecting rods and the lantern ring. The utility model discloses can directly let in the liquid in oxygen deficiency reaction tank with mixed liquid inside for it is effectual to mix, and denitrification's effect is better, simultaneously, can realize mixing the spiral discharge of liquid, and then further improves and mix the effect, and need not outside power equipment.

Description

Up-flow biological nitrogen and phosphorus removal sewage treatment device

Technical Field

The utility model relates to a sewage treatment technical field especially relates to an upflow biological nitrogen and phosphorus removal sewage treatment plant.

Background

The prior art discloses an upflow biological nitrogen and phosphorus removal sewage treatment method and device with the application number of CN202010593506.3, which comprises an anaerobic-anoxic reaction tank, wherein a sewage inlet pipeline is arranged on the side edge of the anaerobic-anoxic reaction tank; the anaerobic-anoxic reaction tank is connected with the aerobic reaction tank through a mixed liquid self-flowing pipeline, an intermediate lift pump is arranged in the aerobic reaction tank, and a mixed liquid reflux pipeline and a mixed liquid pressure output pipeline are connected in parallel at the output end of the intermediate lift pump; the mixed liquid pressure output pipeline conveys water in the aerobic reaction tank to a vertical flow type mud-water separation and precipitation unit; the invention has simple structure, safe operation, low requirement on operation level and convenient maintenance. Compared with the prior art, the problems of high arrangement cost, high requirement on the operating environment, difficult maintenance and the like in the prior art are solved; the upflow type design, the single pump body lifting design, the liquid level arrangement and the mechanical valve can greatly reduce the power consumption, save the operation cost, and have small occupied area and low construction cost.

The mixed liquor after aerobic biological reaction is pressure-conveyed by an intermediate lift pump, part of the mixed liquor is conveyed to an anoxic reaction tank in an internal reflux mode through pressure, the mixed liquor rich in nitrate nitrogen substances is subjected to denitrification reaction in the anoxic reaction tank, and is converted into nitrogen to be dissipated into air, so that the aim of denitrification is fulfilled; because the mixed liquor flows directly into the anoxic reaction tank, the mixed liquor has poor mixing effect, and further the denitrification reaction has poor effect and low efficiency, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an upflow biological nitrogen and phosphorus removal sewage treatment device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an upflow biological nitrogen and phosphorus removal sewage treatment device comprises an anoxic reaction tank, an anaerobic reaction tank and a mixed liquid return pipe, wherein the anoxic reaction tank and the anaerobic reaction tank are arranged close to each other, a transverse plate is fixedly connected in the anoxic reaction tank, a rotating pipe which is rotatably connected with the transverse plate is arranged in the transverse plate in a vertically penetrating manner, the rotating pipe is connected with the mixed liquid return pipe through a driving mechanism, a reciprocating lead screw is fixedly connected to the inner bottom of the anoxic reaction tank, a sleeve ring matched with the reciprocating lead screw is sleeved outside the reciprocating lead screw, a telescopic pipe matched with the rotating pipe is arranged in the rotating pipe, the telescopic pipe is fixedly connected with the upper end of the sleeve ring through two connecting rods, two rotatable transverse pipes are arranged on the telescopic pipe, the lower ends of the two transverse pipes are fixedly communicated with a vertical pipe, and through holes are respectively arranged on the transverse pipes and the vertical pipe in a penetrating manner; can directly let in the liquid in oxygen deficiency reaction tank with mixed liquid inside for it is effectual to mix, and denitrification's effect is better, simultaneously, can realize mixing the spiral discharge of liquid, and then further improve and mix the effect, and need not external power equipment.

Preferably, the driving mechanism comprises a sleeve which is sleeved outside the rotating pipe and is rotationally connected with the rotating pipe, the mixed liquid return pipe is positioned in the sleeve and is fixedly connected with the sleeve, the inner wall of the mixed liquid return pipe is fixedly connected with a first transverse block, the bottom of the first transverse block is rotationally connected with a short rod, the inner wall of the rotating pipe is fixedly connected with a second transverse block, the short rod penetrates through the second transverse block and is fixedly connected with the second transverse block, and a plurality of spiral blades are fixedly connected to the short rod; the mixed liquid impacts on the spiral blade, and the rotation of the spiral blade, the short rod and the rotating pipe can be realized.

Preferably, the inner wall part of the rotating pipe is arranged in a rectangular shape, and the extension pipe is a rectangular pipe; the rotating pipe and the telescopic pipe can be synchronously rotated.

Preferably, the outer wall of the telescopic pipe is rotatably connected with two connecting blocks, the two connecting blocks are both fixedly connected with a transverse pipe, the transverse pipe is communicated with the telescopic pipe through a hose, and springs are fixedly connected between the upper end and the lower end of the transverse pipe and the telescopic pipe; through setting up the spring, make and rotate the irregular swing of well violently pipe to can make mixed liquid mixing effect better.

Preferably, the installation seat is installed at the bottom of the interior of the anoxic reaction tank, and the reciprocating screw rod is installed on the installation seat.

Preferably, the bottom of the telescopic pipe is arranged in a sealing manner, and the telescopic pipe is made of stainless steel.

Compared with the prior art, the utility model, its beneficial effect does:

1. the mixed liquid flows to the through hole through the rotating pipe, the telescopic pipe, the transverse pipe and the vertical pipe and is finally sprayed into the anoxic reaction tank through the through hole, so that the mixed liquid can be directly introduced into the sewage, the mixed liquid and the sewage have good mixing effect, and the denitrification effect and efficiency are improved;

2. when the mixed liquid passes through the spiral blades, the spiral blades rotate, so that the second cross rod, the rotating pipe, the telescopic pipe, the transverse pipe, the vertical pipe, the connecting rod and the lantern ring rotate, the transverse pipe and the vertical pipe rotate in such a way, the mixed liquid can be more effectively and uniformly sprayed into sewage, meanwhile, the liquid can be stirred through the transverse pipe and the vertical pipe, and the denitrification reaction is more facilitated;

3. meanwhile, the telescopic pipe rotates to drive the connecting rod and the lantern ring to rotate, so that the lantern ring, the connecting rod and the telescopic pipe can reciprocate up and down, the mixed liquid is more fully mixed with the liquid, the denitrification reaction effect is better, no power equipment is required to be added, and the practicability is better;

4. simultaneously, violently managing when pipe and standpipe rotate, owing to receive the influence of liquid, the pivoted violently pipe can drive the standpipe and irregularly swing from top to bottom, and then can improve denitrification's effect promptly efficiency once more.

To sum up, the utility model discloses can directly let in the liquid in oxygen deficiency reaction tank with mixing the liquid inside for it is effectual to mix, and denitrification's effect is better, simultaneously, can realize mixing the spiral discharge of liquid, and then further improves and mix the effect, and need not outside power equipment.

Drawings

FIG. 1 is a schematic structural view of an upflow biological denitrification and dephosphorization wastewater treatment device provided by the utility model;

FIG. 2 is a schematic structural view of a driving mechanism in an upflow biological denitrification and dephosphorization wastewater treatment device provided by the utility model;

FIG. 3 is a schematic view of the connection of the partial structure in an upflow biological denitrification and dephosphorization wastewater treatment device.

In the figure: the anaerobic reaction tank comprises an anoxic reaction tank 1, an anaerobic reaction tank 2, a transverse plate 3, a rotating pipe 4, a spring 5, a telescopic pipe 6, a transverse pipe 7, a vertical pipe 8, a through hole 9, a connecting rod 10, a lantern ring 11, a reciprocating screw rod 12, a sleeve pipe 13, a mixed liquid return pipe 14, a first transverse block 15, a short rod 16, a second transverse block 17, a spiral blade 18, a connecting block 19 and a hose 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an upflow biological nitrogen and phosphorus removal sewage treatment plant comprises an anoxic reaction tank 1, an anaerobic reaction tank 2 and a mixed liquid return pipe 14, wherein the anoxic reaction tank 1 and the anaerobic reaction tank 2 are arranged closely, and the above are the prior art.

Fixedly connected with diaphragm 3 in the oxygen deficiency reaction tank 1, diaphragm 3 runs through from top to bottom to be equipped with rather than rotating-barrel 4 of rotating being connected, rotating-barrel 4 is connected through actuating mechanism with mixed liquid back flow 14, actuating mechanism is including the cover at rotating-barrel 4 outside and rather than the sleeve pipe 13 of rotating being connected, mixed liquid back flow 14 is located sleeve pipe 13 and rather than fixed connection, the first horizontal piece 15 of inner wall fixedly connected with of mixed liquid back flow 14, the bottom of first horizontal piece 15 is rotated and is connected with quarter butt 16, the inner wall fixedly connected with second horizontal piece 17 of rotating-barrel 4, quarter butt 16 runs through second horizontal piece 17 and rather than fixed connection, fixedly connected with a plurality of spiral leaf 18 on the quarter butt 16.

The inner bottom of the anoxic reaction tank 1 is fixedly connected with a reciprocating screw rod 12, the inner bottom of the anoxic reaction tank 1 is provided with a mounting seat, and the reciprocating screw rod 12 is arranged on the mounting seat; a lantern ring 11 matched with the reciprocating screw rod 12 is sleeved outside the reciprocating screw rod 12, a telescopic pipe 6 matched with the rotating pipe 4 is arranged inside the rotating pipe 4, and the telescopic pipe 6 is fixedly connected with the upper end of the lantern ring 11 through two connecting rods 10; wherein, the inner wall part of the rotating tube 4 is arranged in a rectangle shape, and the extension tube 6 is a rectangular tube, so that the extension tube 6 can synchronously rotate along with the rotating tube 4; the bottom of the telescopic pipe 6 is arranged in a sealing way, and the telescopic pipe 6 is made of stainless steel.

The telescopic pipe 6 is provided with two rotatable horizontal pipes 7, the lower ends of the two horizontal pipes 7 are both communicated and fixed with vertical pipes 8, and through holes 9 are respectively arranged on the horizontal pipes 7 and the vertical pipes 8 in a penetrating manner; wherein, the outer wall of flexible pipe 6 rotates and is connected with two connecting blocks 19, and two connecting blocks 19 all with violently managing 7 fixed connection, and violently manage 7 and be linked together through hose 20 and flexible pipe 6, and all fixedly connected with spring 5 between the upper and lower end of violently managing 7 and flexible pipe 6.

In the utility model, when the mixed liquid flows into the sleeve 13 through the mixed liquid return pipe 14, the mixed liquid flows to the through hole 9 through the rotating pipe 4, the telescopic pipe 6, the horizontal pipe 7 and the vertical pipe 8 and is finally sprayed into the anoxic reaction tank 1 through the through hole 9, so that the mixed liquid can be directly introduced into the sewage, the mixed liquid and the sewage have good mixing effect, and the denitrification effect and efficiency are improved;

when the mixed liquid passes through the spiral blade 18, the spiral blade 18 rotates, so that the second cross rod 17, the rotating pipe 4, the telescopic pipe 6, the transverse pipe 7, the vertical pipe 8, the connecting rod 10 and the lantern ring 11 rotate, the transverse pipe 7 and the vertical pipe 8 rotate in such a way, the mixed liquid can be more effectively and uniformly sprayed into sewage, meanwhile, the liquid can be stirred through the transverse pipe 7 and the vertical pipe 8, and the denitrification reaction is more facilitated;

meanwhile, the telescopic pipe 6 rotates to drive the connecting rod 10 and the sleeve ring 11 to rotate, so that the sleeve ring 11, the connecting rod 10 and the telescopic pipe 6 can move up and down in a reciprocating manner, the mixed liquid is more fully mixed with the liquid, the denitrification reaction effect is better, no power equipment is required to be added, and the practicability is better;

simultaneously, violently managing 7 and standpipe 8 when rotating, owing to receive the influence of liquid, the rotatory violently pipe 7 can drive 8 irregular swings from top to bottom of standpipe, and then can improve denitrification's effect promptly efficiency once more.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an upflow biological nitrogen and phosphorus removal sewage treatment plant, includes oxygen deficiency reaction tank (1), anaerobic reaction tank (2) and mixed liquid back flow (14), oxygen deficiency reaction tank (1) and anaerobic reaction tank (2) next-door neighbour set up, its characterized in that, fixedly connected with diaphragm (3) in oxygen deficiency reaction tank (1), diaphragm (3) run through from top to bottom be equipped with rather than rotate the rotating tube (4) of being connected, rotating tube (4) are connected through actuating mechanism with mixed liquid back flow (14), the interior bottom fixedly connected with of oxygen deficiency reaction tank (1) is reciprocal lead screw (12), the outside cover of reciprocal lead screw (12) is equipped with rather than assorted lantern ring (11), the inside of rotating tube (4) is equipped with rather than assorted flexible pipe (6), flexible pipe (6) are through the upper end fixed connection of two connecting rods (10) and lantern ring (11), the telescopic pipe is characterized in that two rotatable transverse pipes (7) are arranged on the telescopic pipe (6), the lower ends of the transverse pipes (7) are communicated and fixed with vertical pipes (8), and through holes (9) are formed in the transverse pipes (7) and the vertical pipes (8) in a penetrating mode.

2. The upflow biological nitrogen and phosphorus removal sewage treatment plant according to claim 1, wherein the driving mechanism comprises a sleeve (13) sleeved outside the rotating pipe (4) and rotatably connected with the rotating pipe, the mixed liquid return pipe (14) is positioned inside the sleeve (13) and fixedly connected with the sleeve, a first cross block (15) is fixedly connected to the inner wall of the mixed liquid return pipe (14), a short rod (16) is rotatably connected to the bottom of the first cross block (15), a second cross block (17) is fixedly connected to the inner wall of the rotating pipe (4), the short rod (16) penetrates through the second cross block (17) and is fixedly connected with the second cross block, and a plurality of spiral blades (18) are fixedly connected to the short rod (16).

3. The upflow biological denitrification and dephosphorization wastewater treatment device according to claim 1, wherein the inner wall of the rotating pipe (4) is rectangular, and the extension pipe (6) is a rectangular pipe.

4. The upflow biological nitrogen and phosphorus removal sewage treatment plant according to claim 1, wherein the outer wall of the telescopic pipe (6) is rotatably connected with two connecting blocks (19), both of the two connecting blocks (19) are fixedly connected with the horizontal pipe (7), the horizontal pipe (7) is communicated with the telescopic pipe (6) through a hose (20), and a spring (5) is fixedly connected between the upper and lower ends of the horizontal pipe (7) and the telescopic pipe (6).

5. The upflow biological nitrogen and phosphorus removal sewage treatment plant according to claim 1, wherein the inner bottom of the anoxic reaction tank (1) is provided with a mounting seat, and the reciprocating screw rod (12) is arranged on the mounting seat.

6. The upflow biological nitrogen and phosphorus removal sewage treatment plant according to claim 1, wherein the bottom of the telescopic pipe (6) is hermetically arranged, and the telescopic pipe (6) is made of stainless steel.