CN217103231U

CN217103231U - Sewage treatment equipment using pipeline to replace impeller and not generating excessive sludge

Info

Publication number: CN217103231U
Application number: CN202122077288.0U
Authority: CN
Inventors: 蔡锦良
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-08-02
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a sewage treatment device which uses a pipeline to replace a flow impeller and can not generate redundant sludge, and relates to the technical field of sewage treatment, comprising an adjusting tank, an anaerobic tank, a three-phase separation tank and an anoxic tank, wherein the anaerobic tank comprises an anaerobic tank I and an anaerobic tank II, the anaerobic tank I is provided with three groups, and the anaerobic tank II is provided with two groups, wherein the anaerobic tank II is arranged between the two groups of anaerobic tanks I, the rightmost anaerobic tank I is communicated with the adjusting tank through a catheter I, the anaerobic tank I is communicated with the adjacent anaerobic tank II through a catheter II, the anaerobic tank II is communicated with the anaerobic tank I which is far away from one side of the catheter II through the catheter I, the bottom of the leftmost anaerobic tank I is communicated with the bottom of the three-phase separation tank through a catheter, the top of the three-phase separation tank is communicated with the anoxic tank, and a liquid outlet pipe is arranged on the side wall of the anoxic tank, realize the automatic blowdown to the anaerobism pond through the blow off pipe, more energy-conserving power saving to the effect of decontaminating is better.

Description

Sewage treatment equipment using pipeline to replace impeller and not generating excessive sludge

Technical Field

The utility model relates to a sewage treatment technical field specifically is a sewage treatment device who can not produce unnecessary mud with pipeline replacement impeller.

Background

The existing sewage treatment is usually carried out by utilizing anaerobic tanks, but in the working process of the anaerobic tanks, holes of passageways below the anaerobic tanks are easily blocked by sludge, so that the work of the anaerobic tanks is influenced, and each anaerobic tank is provided with a flow pusher, but the flow pusher has the defects of electricity consumption and poor effect, so that in order to prevent the blocking of the holes below the anaerobic tanks, the continuous flow pushing is adopted, so that the electricity consumption is very large, hundreds of thousands of millions of electricity charges are spent in one year, the sewage treatment cost is greatly increased, and the economic benefit is poor, the utility model provides a pipeline for replacing the flow pusher, a sewage discharge pipe is arranged at the bottom of the anaerobic tank, a baffle is arranged in the sewage discharge pipe, the sludge at the lower part naturally flows into the sewage guide pipe through water pressure, so that the sludge enters the regulating tank, the blocked sludge is also sucked into the regulating tank by the serious blockage, compared with the case that one flow pusher is arranged in each anaerobic tank, more energy-concerving and environment-protective to the effect is stronger to several times than impeller, is provided with the floater in the equalizing basin simultaneously, and a pond is dual-purpose has been equivalent to having established an anaerobism pond more, and the supernatant suction anaerobism pond of equalizing basin has effectually alleviateed the burden in anaerobism pond again.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide and replace the sewage treatment device that the impeller can not produce unnecessary mud with the pipeline, it is more energy-concerving and environment-protective to the effect is than the impeller by force to several times.

In order to achieve the above object, the utility model provides a following technical scheme: the anaerobic tank comprises an anaerobic tank I and an anaerobic tank II, three groups of the anaerobic tank I are arranged, two groups of the anaerobic tank II are arranged, the anaerobic tank I on the rightmost side is communicated with the adjusting tank through a liquid guide pipe I, the anaerobic tank I is communicated with the adjacent anaerobic tank II through a liquid guide pipe II, the liquid guide pipe II is positioned at the bottom of the anaerobic tank I, the anaerobic tank II is communicated with the anaerobic tank I on one side far away from the liquid guide pipe II through the liquid guide pipe I, the liquid guide pipe I is positioned at the top end of the anaerobic tank II, the bottom of the anaerobic tank I on the leftmost side is communicated with the bottom of the three-phase separation tank through a guide pipe I, the top of the three-phase separation tank is communicated with the anoxic tank, and a liquid outlet pipe is arranged on the side wall of the anoxic tank, simultaneously the bottom of anaerobism pond two and three-phase separation pond sets to circular-arcly to the blow off pipe is installed to the circular arc bottom, and the other end and the dirt guide pipe intercommunication of blow off pipe are in the same place, and the tip of dirt guide pipe and the bottom lateral wall intercommunication of equalizing basin are in the same place simultaneously, and the internally mounted of dirt guide pipe has the mud pump.

As a further aspect of the present invention: the utility model discloses a sewage treatment device, including anaerobism pond two, including the top of filter screen, connecting rod, lifter, exhaust valve, exhaust pipe, air pump, air guide pipe and inner chamber, the inside slidable mounting of anaerobism pond two has filter screen one, wherein filter screen one is located the top of catheter two, the top of filter screen one is connected with the connecting rod simultaneously, the connecting rod includes dead lever and lifter, wherein the dead lever is installed on the roof of anaerobism pond two, the inner chamber has been seted up to the inside of dead lever simultaneously, wherein the bottom slidable mounting of inner chamber has the piston, and install the lifter on the diapire of piston, wherein the bottom of lifter is flexible from the bottom of inner chamber, the end that stretches out of lifter links together with the roof of filter screen one, the top of dead lever stretches out from the roof of anaerobism pond two simultaneously, and install discharge valve on the roof of dead lever, discharge valve and inner chamber communicate together, wherein install the air pump on the roof of anaerobism pond two, the output of air pump is in the same place through air guide pipe and inner chamber intercommunication.

As a further aspect of the present invention: the inner opening of the sewage draining pipe is set to be rectangular, a baffle is arranged inside the sewage draining pipe, the baffle is rotatably installed on the inner wall of the sewage draining pipe through a rotating seat, a supporting spring is connected to the bottom of the baffle, the other end of the supporting spring is installed on the inner wall of the sewage draining pipe, and the baffle is kept in a horizontal state under the elastic force action of the supporting spring.

As a further aspect of the present invention: the utility model discloses a sewage treatment device, including baffle, drive rod, lateral wall, side piece, lateral wall, side groove, lead to the intercommunication together, and a lateral wall mounting who keeps away from the horizontal pole has the electro-magnet, the diapire of baffle is last to rotate and to install the actuating lever, and the other end of actuating lever is installed on the tip lateral wall of horizontal pole, wherein the actuating lever is located supporting spring's inboard, logical groove has been seted up on the lateral wall that the blow off pipe is close to the horizontal pole simultaneously, and actuating lever slidable mounting is leading to the inslot, wherein lead to and install the side piece on the blow off pipe outer wall that the groove corresponds, the side piece is close to and has seted up the lateral wall on the lateral wall that leads to the groove simultaneously, the lateral wall with lead to the groove intercommunication together, and a lateral wall mounting that the horizontal pole was kept away from to the lateral groove has the electro-magnet.

As a further aspect of the present invention: it erects the groove to lead to seted up in the one side diapire that the groove is close to the side groove, erect the top slidable mounting in groove simultaneously and have the lug, and the bottom of lug is installed on the roof of fixed plate through releasing the spring, the fixed plate is installed on the inner wall of erecting the groove, wherein the top of lug stretches out from the top of erecting the groove under the effect of releasing the spring, install the montant on the diapire of lug simultaneously, wherein the other end of montant stretches out from the lateral wall of fixed plate, and erect the bottom in groove and install limit switch, limit switch and signal transmission module electric connection are in the same place simultaneously, signal transmission module installs in the lateral wall of blow off pipe, and signal transmission module and electromagnetism ferroelectric link together.

As a further aspect of the present invention: the utility model discloses a domestic sewage treatment device, including equalizing basin, lift pump, telescopic hose, connecting plate, the overhead pump is installed at the top of equalizing basin, and the output and the catheter of lift pump communicate together, and the input and the telescopic hose intercommunication of lift pump are in the same place simultaneously, and wherein telescopic hose stretches into the inside of equalizing basin to install the connecting plate on telescopic hose's the end outer wall that stretches into, wherein install the multiunit floater on the diapire of connecting plate, make the connecting plate suspension on the surface of supernatant.

As a further aspect of the present invention: the inside mounting of equalizing basin has the riser, and wherein the riser is located between dirt pipe and the connecting plate, installs filter screen two on the riser is close to one side roof of dirt pipe simultaneously, and the other end of filter screen two is installed on the inner wall of equalizing basin.

As a further aspect of the present invention: install the mud sensor on the dirt pipe is close to one side diapire of equalizing basin, simultaneously the inductive probe of mud sensor stretches into in the dirt pipe, wherein mud sensor and electro-magnet electric connection together to inductive probe's right side is provided with the fender, and a lateral wall that inductive probe was kept away from to the fender sets to convex.

As a further aspect of the present invention: the anaerobic tank is full at ordinary times and keeps a high water level, and the adjusting tank can be half tank water or full tank water.

Due to the adoption of the technical scheme, the utility model discloses following superiority has: the utility model discloses an anaerobism bottom of pool is provided with the blow off pipe, and the blow off pipe is inside to be provided with the baffle, when baffle top mud weight is greater than the elasticity of supporting spring, make the baffle overturn downwards under the pressure effect of mud, then the mud of anaerobism bottom of the pool is under the water pressure of full pond, the mud in lower limit flows to leading in the dirty pipe naturally, thereby get into the equalizing basin, even stifled mud can be inhaled again and flow into the equalizing basin, compare with in every anaerobism pond a impeller, more energy-conserving power saving, and the effect of decontaminating is better, be provided with the floater in the equalizing basin simultaneously, drive the flexible hose through the connecting plate and suspend on the surface of supernatant, thereby guarantee that the lifting pump is the supernatant that the lifting pump is taken, avoid bottom mud to be taken out, let mud ferment in the equalizing basin bottom, the equalizing basin also becomes anaerobic state like this, a pond is used to establish an anaerobism pond more, and the supernatant of the regulating tank is pumped into the anaerobic tank, so that the burden of the anaerobic tank is effectively reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the anaerobic tank II of the utility model.

Fig. 3 is a schematic view of the connecting rod structure of the present invention.

Fig. 4 is a schematic view of the structure of the sewage draining pipe of the utility model.

Fig. 5 is a partial enlarged view of the point a of the present invention.

Fig. 6 is a partial enlarged view of the position B of the present invention.

Fig. 7 is a schematic view of the structure of the adjusting tank of the present invention.

Fig. 8 is a partial enlarged view of the position C of the present invention.

As shown in the figure: 1. an adjusting tank, 2, an anaerobic tank I, 3, an anaerobic tank II, 4, a three-phase separation tank, 5, an anoxic tank, 6, a sewage discharge pipe, 7, a sewage guide pipe, 8, a mud pump, 9, a lift pump, 10, a liquid guide pipe I, 11, a liquid guide pipe II, 12, a communicating pipe, 13, a filter screen I, 14, a connecting rod, 15, a fixed rod, 16, a lifting rod, 17, an inner cavity, 18, a piston, 19, an exhaust valve, 20, an air pump, 21, a baffle, 22, a supporting spring, 23, a rotating seat, 24, a driving rod, 25, a cross rod, 26, a sliding groove, 27, a side block, 28, a signal transmission module, 29, an electromagnet, 30, a side groove, 31, a vertical groove, 32, a fixed plate, 33, a bump, 34, a vertical rod, 35, a spring, 36, a limit switch, 37, a telescopic hose, 38, a connecting plate, 39, a floating ball, 40, a vertical plate, 41, a filter screen II, 42, a sludge sensor, 43, a sludge sensor, a sewage discharge pipe, a piston, inductive probe, 44, mudguard, 45, drain pipe.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 8, in an embodiment of the present invention, a sewage treatment apparatus, in which a pipeline replaces a flow impeller and no excess sludge is generated, includes an adjusting tank 1, an anaerobic tank, a three-phase separation tank and an anoxic tank 5, the anaerobic tank includes a first anaerobic tank 2 and a second anaerobic tank 3, the first anaerobic tank 2 is provided with three groups, and the second anaerobic tank 3 is provided with two groups, wherein the second anaerobic tank 3 is disposed between the two groups of the first anaerobic tanks 2, the rightmost anaerobic tank 2 is communicated with the adjusting tank 1 through a first catheter 10, the first anaerobic tank 2 is communicated with an adjacent second anaerobic tank 3 through a second catheter 11, wherein the second catheter 11 is located at the bottom of the first anaerobic tank 2, so as to communicate the bottoms of the first anaerobic tank 2 and the second anaerobic tank 3 together, thereby facilitating the flow of bottom sludge, and communicate the second anaerobic tank 3 with the first anaerobic tank 2 far from the second catheter 11 through the first catheter 10, the first drainage pipe 10 is positioned at the top end of the second anaerobic tank 3, so that the flowability of raw water for production is ensured, meanwhile, the bottom of the leftmost anaerobic tank 2 is communicated with the bottom of the three-phase separation tank 4 through a guide pipe, the top of the three-phase separation tank 4 is communicated with the anoxic tank 5, a drain pipe 45 is installed on the side wall of the anoxic tank 5, meanwhile, the bottoms of the second anaerobic tank 3 and the three-phase separation tank 4 are arranged into a circular arc shape, a drainage pipe 6 is installed at the bottom of the circular arc, the other end of the drainage pipe 6 is communicated with the drainage pipe 7, the circular arc arrangement is adopted, so that drainage is smoother, sludge is prevented from being adhered to the bottom of the tank, meanwhile, the end part of the drainage pipe 7 is communicated with the side wall of the bottom of the adjusting tank 1, and a sludge pump 8 is installed inside the drainage pipe 7; the production wastewater firstly enters an adjusting tank 1, then sequentially passes through an anaerobic tank I2 and an anaerobic tank II 3 from the adjusting tank 1, flows into a three-phase separation tank 4 after biochemical consumption of anaerobic bacteria, then flows into an anoxic tank 5 from a tank of a three-tank separator, then flows into an aerobic tank (not shown in the figure) from a liquid outlet pipe 45 of the anoxic tank, increases dissolved oxygen through aeration of the aerobic tank, then flows into a two-sedimentation tank, then flows into a three-sedimentation tank, and finally reaches the standard to be discharged.

Present anaerobism pond in the course of the work, following hole is blockked up by mud easily, when the hole in passageway is plugged up below the anaerobism pond, only need open blow off pipe 6, then the mud of anaerobism bottom of the pool portion is under the water pressure of full pond, the mud of lower limit flows in leading dirty pipe 7 naturally, thereby get into equalizing basin 1, it is exactly stifled again the severity also can inhale stifled mud and come the inflow equalizing basin, compare in every anaerobism pond in a impeller of dress, more energy-saving and power saving, and the effect of decontaminating is better.

Referring to FIGS. 2-3, it can be seen that: a first filter screen 13 is slidably arranged in the anaerobic tank II 3, wherein the first filter screen 13 is positioned above the second liquid guide pipe 11, meanwhile, the top of the first filter screen 13 is connected with a connecting rod 14, the connecting rod 14 comprises a fixed rod 15 and a lifting rod 16, wherein the fixed rod 15 is arranged on the top wall of the anaerobic tank II 3, an inner cavity 17 is arranged inside the fixed rod 15, wherein the bottom of the inner cavity 17 is slidably provided with a piston 18, and the bottom wall of the piston 18 is provided with a lifting rod 16, wherein the bottom of the lifting rod 16 extends from the bottom of the inner cavity 17, the extending end of the lifting rod 16 is connected with the top wall of the first filter screen 13, the top end of the fixing rod 15 extends from the top wall of the second anaerobic tank 3, and the top wall of the fixed rod 15 is provided with an exhaust valve 19, the exhaust valve 19 is communicated with the inner cavity 17, wherein the top wall of the anaerobic tank II 3 is provided with an air pump 20, and the output end of the air pump 20 is communicated with the inner cavity 17 through an air duct; in the initial state, the exhaust valve 19 is opened, the inner cavity 17 is communicated with the outside atmosphere, so that the first filter screen 13 can move upwards under the pushing of sludge generated at the bottom of the second anaerobic tank 3, in the sewage discharge process, the exhaust valve 19 is closed, the air pump 20 is opened to inject air into the inner cavity 17, the first filter screen 13 is pushed to move downwards, the effect of assisting sewage discharge is achieved, and the sewage discharge rate is improved.

Referring to fig. 3-6, it can be seen that: the inside opening of blow off pipe 6 sets to the rectangle, and the inside of blow off pipe 6 is provided with baffle 21, wherein baffle 21 rotates through rotating seat 23 and installs on the inner wall of blow off pipe 6, the bottom of baffle 21 is connected with supporting spring 22 simultaneously, supporting spring 22's the other end is installed on the inner wall of blow off pipe 6, wherein baffle 21 keeps the horizontality under supporting spring 22's elasticity effect, accomplish blocking to blow off pipe 6, when baffle 21 top mud weight is greater than supporting spring 22's elasticity, make baffle 21 overturn downwards under the pressure effect of mud, sludge discharge has been realized, and the operation is more convenient.

Specifically, the diapire of baffle 21 is last to rotate and is installed actuating lever 24, and install on the tip lateral wall of horizontal pole 25 the other end of actuating lever 24, wherein actuating lever 24 is located supporting spring 22's inboard, blow off pipe 6 has seted up logical groove 26 on being close to a lateral wall of horizontal pole 25 simultaneously, and actuating lever 24 slidable mounting is in logical groove 26, wherein install side block 27 on the blow off pipe 6 outer wall that leads to groove 26 to correspond, side block 27 has seted up side groove 30 on being close to a lateral wall that leads to groove 26 simultaneously, side groove 30 and logical groove 26 intercommunication are in the same place, and a lateral wall that horizontal pole 25 was kept away from to side groove 30 is installed electromagnet 29, adsorb horizontal pole 25 through electromagnet 29, make baffle 21 keep the upset state, avoid the mud reduction to lead to baffle 21 automatic upset to reset, the blowdown is more thorough.

Specifically, a vertical groove 31 is formed in the bottom wall of one side of the through groove 26 close to the side groove 30, a bump 33 is slidably mounted at the top end of the vertical groove 31, the bottom of the bump 33 is mounted on the top wall of the fixing plate 32 through a push-out spring 35, the fixing plate 32 is mounted on the inner wall of the vertical groove 31, the top end of the bump 33 extends out of the top end of the vertical groove 31 under the action of the push-out spring 35, a vertical rod 34 is mounted on the bottom wall of the bump 33, the other end of the vertical rod 34 extends out of the side wall of the fixing plate 32, a limit switch 30 is mounted at the bottom of the vertical groove 31, the limit switch 30 is electrically connected with the signal transmission module 28, the signal transmission module 28 is mounted in the side wall of the sewage pipe 6, and the signal transmission module 28 is electrically connected with the electromagnet 29.

When baffle 21 keeps the horizontality, the right side end of horizontal pole 25 is located the left side of lug 33 this moment, when baffle 21 takes place the upset downwards, it slides to the right side to drive horizontal pole 25 through actuating lever 24, thereby extrude lug 33 downwards, drive montant 34 downstream, make montant 34 bottom and limit switch 36 contact together, then limit switch 36 with signal transmission to in signal transmission module 28, control electro-magnet 29 is switched on, adsorb horizontal pole 25, make baffle 21 open more thoroughly, the blowdown is more smooth and easy.

Referring to FIGS. 7-8, it can be seen that: the top of equalizing basin 1 is installed elevator pump 9, elevator pump 9's output and catheter 10 communicate together, elevator pump 9's input and expansion hose 37 communicate together simultaneously, wherein expansion hose 37 stretches into the inside of equalizing basin 1, and install connecting plate 38 on expansion hose 37's the end outer wall that stretches into, wherein install multiunit floater 39 on the diapire of connecting plate 38, make connecting plate 38 suspend on the surface of supernatant, thereby it is the supernatant to guarantee that elevator pump 9 takes out, avoid bottom mud to be taken out, let mud ferment in equalizing basin 1 bottom, equalizing basin 1 also becomes anaerobic state like this, a pond is dual-purpose is equivalent to having established an anaerobism pond more, again the supernatant suction anaerobism pond of equalizing basin, the effectual burden that alleviates the anaerobism pond.

Specifically, the internally mounted of equalizing basin 1 has riser 40, and wherein riser 40 is located between dirt pipe 7 and the connecting plate 38, shelters from the protection through riser 40 to connecting plate 38, avoids dirt pipe 7 exhaust mud to cause the damage to expansion hose 37, installs filter screen two 41 on riser 40 is close to one side roof of dirt pipe 7 simultaneously, and the other end of filter screen two 41 is installed on the inner wall of equalizing basin 1 for mud flies to spill from riser 40 top.

Preferably, install sludge sensor 42 on the one side diapire that dirt guide pipe 7 is close to equalizing basin 1, simultaneously sludge sensor 42's inductive probe 43 stretches into in dirt guide pipe 7, wherein sludge sensor 42 and electro-magnet 29 electric connection are in the same place, and inductive probe 43's right side is provided with fender 44, a lateral wall that fender 44 kept away from inductive probe 43 sets to arc, shelter from the protection to inductive probe 43 through fender 44, detect the inside mud of dirt guide pipe 7 through inductive probe 43 simultaneously, when the inside mud of dirt guide pipe 7 was discharged, cut off the power supply through sludge sensor 42 control electro-magnet 29, baffle 21 resets under supporting spring 22's effect this moment, the completion is to the wall of blow off pipe 6, can begin the processing of waste water.

Preferably, the anaerobic tank is full at ordinary times and keeps a high water level, and the adjusting tank 1 can be half tank water or completely drained; if the adjusting tank is evacuated, when the sludge at the bottom of the anaerobic tank II 3 is more, the sludge flows to the adjusting tank 1 naturally under the pressure of the full tank, the pressure sludge cannot be blocked, the flow stops as long as the sludge is discharged, or the water in the anaerobic tank and the water in the adjusting tank flow to the level.

It should be noted that the number of the anaerobic tanks I2 and II 3 is not fixed, and according to the number of the anaerobic tanks, more production wastewater is generated, more anaerobic tanks are built, and less anaerobic tanks are built when less water is generated.

Claims

1. Replace the sewage treatment device that the impeller can not produce unnecessary mud with the pipeline, including equalizing basin (1), anaerobism pond, three-phase separation pond and oxygen deficiency pond (5), its characterized in that: the anaerobic tank comprises a first anaerobic tank (2) and a second anaerobic tank (3), three groups of the first anaerobic tank (2) are arranged, two groups of the second anaerobic tank (3) are arranged, the second anaerobic tank (3) is arranged between the first anaerobic tanks (2), the first anaerobic tank (2) on the rightmost side is communicated with the regulating tank (1) through a first liquid guide pipe (10), the first anaerobic tank (2) is communicated with the adjacent second anaerobic tank (3) through a second liquid guide pipe (11), the second liquid guide pipe (11) is positioned at the bottom of the first anaerobic tank (2), the second anaerobic tank (3) is communicated with the first anaerobic tank (2) far away from one side of the second liquid guide pipe (11) through a first liquid guide pipe (10), the first liquid guide pipe (10) is positioned at the top end of the second anaerobic tank (3), and the bottom of the first anaerobic tank (2) on the leftmost side is communicated with the bottom of the three-phase separation tank (4) through a guide pipe, and the top and the oxygen deficiency pond (5) of three-phase separation pond (4) communicate together, install drain pipe (45) on the lateral wall of oxygen deficiency pond (5), the bottom of two (3) and three-phase separation pond (4) of anaerobism simultaneously sets to circular-arcly, and blow off pipe (6) are installed to the circular arc bottom, the other end and the leading dirty pipe (7) of blow off pipe (6) communicate together, the tip of leading dirty pipe (7) and the bottom lateral wall intercommunication of equalizing basin (1) are in the same place simultaneously, and the internally mounted of leading dirty pipe (7) has dredge pump (8).

2. The apparatus for treating sewage according to claim 1, wherein the apparatus for treating sewage is a pipe-replacing propeller without generating excess sludge, and comprises: a first filter screen (13) is slidably mounted inside the second anaerobic tank (3), the first filter screen (13) is located above the second liquid guide tube (11), a connecting rod (14) is connected to the top of the first filter screen (13), the connecting rod (14) comprises a fixing rod (15) and a lifting rod (16), the fixing rod (15) is mounted on the top wall of the second anaerobic tank (3), an inner cavity (17) is formed inside the fixing rod (15), a piston (18) is slidably mounted at the bottom of the inner cavity (17), the lifting rod (16) is mounted on the bottom wall of the piston (18), the bottom of the lifting rod (16) stretches out and draws back from the bottom of the inner cavity (17), the extending end of the lifting rod (16) is connected with the top wall of the first filter screen (13), the top end of the fixing rod (15) extends out from the top wall of the second anaerobic tank (3), and an exhaust valve (19) is mounted on the top wall of the fixing rod (15), the exhaust valve (19) is communicated with the inner cavity (17), wherein the top wall of the anaerobic tank II (3) is provided with an air pump (20), and the output end of the air pump (20) is communicated with the inner cavity (17) through an air duct.

3. The apparatus for treating sewage according to claim 1, wherein the apparatus for treating sewage is a pipe-replacing propeller without generating excess sludge, and comprises: the inside opening of blow off pipe (6) sets to the rectangle to the inside of blow off pipe (6) is provided with baffle (21), and wherein baffle (21) rotate through rotating seat (23) and install on the inner wall of blow off pipe (6), and the bottom of baffle (21) is connected with supporting spring (22) simultaneously, and the other end of supporting spring (22) is installed on the inner wall of blow off pipe (6), and wherein baffle (21) keeps the horizontality under supporting spring's (22) spring action.

4. The apparatus for treating sewage according to claim 3, wherein the apparatus for treating sewage is characterized in that the apparatus comprises: rotate on the diapire of baffle (21) and install actuating lever (24), and install on the tip lateral wall of horizontal pole (25) the other end of actuating lever (24), wherein actuating lever (24) are located the inboard of supporting spring (22), logical groove (26) have been seted up on the lateral wall that blow off pipe (6) are close to horizontal pole (25) simultaneously, and actuating lever (24) slidable mounting is in logical groove (26), wherein install lateral mass (27) on blow off pipe (6) outer wall that logical groove (26) correspond, lateral mass (27) have been seted up on being close to a lateral wall that leads to groove (26) simultaneously, lateral mass (30) and logical groove (26) communicate together, and a lateral wall that horizontal pole (25) was kept away from in lateral mass (30) installs electro-magnet (29).

5. The apparatus for treating sewage according to claim 4, wherein the apparatus for treating sewage is characterized in that the apparatus comprises: a vertical groove (31) is arranged in the bottom wall of one side of the through groove (26) close to the side groove (30), a lug (33) is slidably arranged at the top end of the vertical groove (31), and the bottom of the projection (33) is mounted on the top wall of the fixing plate (32) through a push-out spring (35), the fixing plate (32) is mounted on the inner wall of the vertical groove (31), wherein the top end of the convex block (33) extends out of the top end of the vertical groove (31) under the action of the push-out spring (35), and the bottom wall of the convex block (33) is provided with a vertical rod (34), wherein the other end of the vertical rod (34) extends out of the side wall of the fixed plate (32), the bottom of the vertical groove (31) is provided with a limit switch (36), meanwhile, the limit switch (36) is electrically connected with the signal transmission module (28), the signal transmission module (28) is arranged in the side wall of the sewage draining pipe (6), and the signal transmission module (28) and the electromagnet (29) are electrically connected together.

6. The apparatus for treating sewage according to claim 1, wherein the apparatus for treating sewage is a pipe-replacing propeller without generating excess sludge, and comprises: lift pump (9) are installed at the top of equalizing basin (1), the output and catheter (10) of lift pump (9) communicate together, the input and bellows (37) of lift pump (9) communicate together simultaneously, wherein bellows (37) stretch into the inside of equalizing basin (1), and install connecting plate (38) on the end outer wall of stretching into of bellows (37), wherein install multiunit floater (39) on the diapire of connecting plate (38), make connecting plate (38) suspension on the surface of supernatant.

7. The apparatus for treating sewage according to claim 6, wherein the apparatus for treating sewage is characterized in that the apparatus comprises: the inside mounting of equalizing basin (1) has riser (40), and wherein riser (40) are located between dirt guide pipe (7) and connecting plate (38), install filter screen two (41) on riser (40) are close to one side roof of dirt guide pipe (7) simultaneously, and the other end of filter screen two (41) is installed on the inner wall of equalizing basin (1).

8. The apparatus for treating sewage according to claim 5, wherein the apparatus for treating sewage is characterized in that the apparatus comprises: install mud sensor (42) on leading dirty pipe (7) are close to one side diapire of equalizing basin (1), and inductive probe (43) of mud sensor (42) stretch into in leading dirty pipe (7) simultaneously, wherein mud sensor (42) and electro-magnet (29) electric connection together to inductive probe (43)'s right side is provided with fender (44), and a lateral wall that inductive probe (43) were kept away from in fender (44) sets to arc.