CN220098752U - Denitrification tank - Google Patents

Abstract

The utility model discloses a denitrification tank, which relates to the technical field of sewage treatment and comprises a denitrification tank main body, wherein the top of the denitrification tank main body is fixedly connected with a closed tank opening, the bottom of the denitrification tank main body is fixedly connected with an electromagnetic valve, one side of the electromagnetic valve is communicated with a sludge conveying pipe, one end of the sludge conveying pipe is fixedly connected with a sludge box, one side of the top of the sludge box is fixedly connected with a conveying member, the output end of the conveying member is communicated with the denitrification tank main body, the upper end of one side of the denitrification tank main body is fixedly connected with an exhaust member, the inside of the denitrification tank main body is fixedly connected with a stirring member, after sewage denitrification, the electromagnetic valve can be opened, so that precipitated activated sludge enters the sludge box through the sludge conveying pipe, the activated sludge is pumped into the sludge box for storage, and a catalyst is added into the sludge box, so that microorganisms and organic matters in the activated sludge can be quickly reproduced, the activated sludge can be recovered, the recovery of the sludge can be realized, and the denitrification efficiency can be improved.

Description

Denitrification tank

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a denitrification tank.

Background

Along with the development of society, the interior of waste water contains higher nitrogen, and the waste water containing nitrogen needs to be treated independently, and during treatment, firstly alkali needs to be added into the waste water, so that the waste water and the alkali are nitrified after reaction, and the effect during the reaction is improved by using activated sludge, and then the methanol is added, so that the nitrogen and the water are separated, and therefore, during the treatment of sewage, the denitrification treatment of the sewage through a denitrification tank is often needed.

The prior China published patent grant bulletin number: the utility model provides a high-efficient purification tank for sewage dephosphorization denitrogenation that mentions in CN214571364U, includes first rose box, first rose box one side is provided with the water inlet, first rose box one side is provided with the oxygen deficiency case, oxygen deficiency case one side is provided with deposits the case, it is provided with good oxygen case to deposit the case lower extreme, good oxygen case one side is provided with the second rose box, second rose box lower extreme is provided with the third rose box, second rose box lower extreme is provided with the rose box, be provided with the delivery port in the rose box, it has single to have had the function to have solved current purification tank for sewage dephosphorization denitrogenation, can't accomplish whole purification flow, leads to the problem that purification process time overlength influences efficiency.

Most of the existing denitrification tanks are used for placing activated sludge into the tank, the activated sludge is used for helping the mixed reaction of sewage and chemical agents, the effect of denitrification on the sewage is achieved, but microorganisms and organic matters in the activated sludge in the tank can be gradually reduced along with the long-time treatment of the sewage, so that the adsorption capacity of the activated sludge on harmful substances in the sewage is poor, the denitrification efficiency of the denitrification tank on the sewage is reduced, the treatment time of the sewage is easily prolonged, and the denitrification tank is unfavorable for people.

Disclosure of Invention

The utility model aims at: in order to solve the problems that in the background technology, along with the long-time treatment of sewage, microorganisms and organic matters in activated sludge in a tank are gradually reduced, so that the adsorption capacity of the activated sludge to harmful substances in the sewage is poor, the denitrification efficiency of the denitrification tank to the sewage is reduced, the treatment time of the sewage is easy to prolong, and the use of people is not facilitated, the utility model provides the denitrification tank.

The utility model adopts the following technical scheme for realizing the purposes:

the denitrification tank comprises a denitrification tank body, wherein the top of the denitrification tank body is fixedly connected with a closed tank opening, the bottom of the denitrification tank body is fixedly connected with an electromagnetic valve, one side of the electromagnetic valve is communicated with a mud conveying pipe, one end of the mud conveying pipe is fixedly connected with a mud tank, one side of the top of the mud tank is fixedly connected with a conveying piece, the output end of the conveying piece is communicated with the denitrification tank body, one side upper end of the denitrification tank body is fixedly connected with an exhaust piece, and the inside of the denitrification tank body is fixedly connected with a stirring piece.

Through adopting above-mentioned technical scheme, after sewage denitrogenation, can open the solenoid valve for in the activated sludge of sediment got into the mud case through the mud pipe, and then make activated sludge take out and put to the mud incasement and deposit, and add the catalyst to it, make inside microorganism of activated sludge and organic matter reproduce fast, and then make activated sludge resume, with this realization mud backward flow resumes, improve denitrogenation efficiency.

Further, the stirring piece comprises a driving motor fixedly connected to one side of the denitrification tank main body, the output end of the driving motor is fixedly connected with a first rotary table, the inside of the denitrification tank main body is rotationally connected with mutually symmetrical rotary bars, one side of the rotary bars is fixedly connected with the first rotary table, one end of the rotary bars on the other side is fixedly connected with a second rotary table, and the first rotary table is in transmission connection with the second rotary table through a transmission belt.

Through adopting above-mentioned technical scheme, can drive the stirring rod through rotatory bull stick and rotate, and then can mix sewage, activated sludge and alkaline chemical agent through the stirring rod.

Further, the conveying piece comprises a mud pump fixedly connected to one end of the top of the sludge box, a mud pumping pipe is fixedly connected to the pumping end of the mud pump, a mud discharging pipe is fixedly connected to the output end of the mud pumping pipe, and one end of the mud discharging pipe is communicated with the denitrification tank main body.

By adopting the technical scheme, the activated sludge can be pumped by the sludge pump.

Further, servo motor is fixedly connected with one side of the top of the sludge box, a threaded rod is fixedly connected with the output end of the servo motor, a guide rod is fixedly connected with the inner triangle of the sludge box, a water permeable plate is connected to the threaded rod in a threaded mode, and the water permeable plate is connected with the guide rod in a penetrating mode.

Through adopting above-mentioned technical scheme, through the downward pressure of water permeable plate, can carry out preliminary separation with sewage and the silt that gets into in the sludge tank.

Further, a liquid pump is fixedly connected to one side of the top of the sludge box, a corrugated water pumping pipe is fixedly connected to the water pumping end of the liquid pump, and a drain pipe is fixedly connected to the water outlet end of the liquid pump.

By adopting the technical scheme, the sewage in the sludge box can be pumped out through the liquid pump.

Further, the exhaust piece includes the aiutage of fixed connection on denitrogenation jar main part one side top, the top one side fixedly connected with L template of aiutage, fixedly connected with elastic closure piece on the L template.

By adopting the technical scheme, the exhaust funnel can be sealed by the elastic sealing piece.

Further, the elastic sealing piece comprises a telescopic rod fixedly connected to the L-shaped plate, a sealing plate is fixedly connected to the bottom end of the telescopic rod, and a spring is sleeved on the telescopic rod.

By adopting the technical scheme, the sealing plate can be pushed back to the inside of the exhaust barrel through the elastic action of the spring, and the exhaust barrel is sealed again.

Further, the bottom of shrouding fixedly connected with closing plate.

By adopting the technical scheme, the sealing plate is made of rubber materials.

In summary, the present utility model includes at least one of the following advantages;

1. according to the utility model, after sewage is denitrified, the electromagnetic valve is opened, so that the precipitated activated sludge enters the sludge box through the sludge conveying pipe, the activated sludge is pumped into the sludge box for storage, and the catalyst is added into the activated sludge, so that microorganisms and organic matters in the activated sludge are rapidly propagated, and the activated sludge is recovered, thereby realizing the recovery of sludge reflux and improving the denitrification efficiency.

2. According to the utility model, when sewage is denitrified in the denitrification tank main body, generated nitrogen can improve the air pressure in the denitrification tank main body, when the air pressure reaches a certain degree, the internal air can be used for jacking the exhaust piece, the internal structure of the exhaust piece is propped open, and then the nitrogen is discharged from the exhaust piece, so that the quantitative discharge of the nitrogen is realized, and the functionality of the denitrification tank is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a cross-sectional view of a denitrification tank body according to the present utility model;

FIG. 3 is a schematic view of the structure of the stirring element in the present utility model;

FIG. 4 is a schematic view of the construction of the sludge tank and the conveying member of the present utility model;

fig. 5 is a schematic view of the structure of the exhaust member in the present utility model.

Reference numerals illustrate:

1. a denitrification tank main body; 2. closing the tank opening; 3. a stirring member; 4. an exhaust member; 5. an electromagnetic valve; 6. a mud pipe; 7. a sludge tank; 8. a conveying member; 31. a driving motor; 32. a first turntable; 33. a transmission belt; 34. a second turntable; 35. an agitating rod; 36. a rotating rod; 41. an exhaust pipe; 42. an L-shaped plate; 43. a telescopic rod; 44. a spring; 45. a sealing plate; 46. a sealing plate; 71. a servo motor; 72. a threaded rod; 73. a guide rod; 74. a water permeable plate; 75. a liquid pump; 76. a corrugated water pumping pipe; 77. a drain pipe; 81. a mud pump; 82. a mud pipe.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a denitrification tank.

Referring to fig. 1 and 2, the denitrification tank comprises a denitrification tank body 1, wherein the top of the denitrification tank body 1 is fixedly connected with a closed tank opening 2, the bottom of the denitrification tank body 1 is fixedly connected with an electromagnetic valve 5, one side of the electromagnetic valve 5 is communicated with a mud conveying pipe 6, one end of the mud conveying pipe 6 is fixedly connected with a mud tank 7, one side of the top of the mud tank 7 is fixedly connected with a conveying piece 8, the output end of the conveying piece 8 is communicated with the denitrification tank body 1, one side upper end of the denitrification tank body 1 is fixedly connected with an exhaust piece 4, and the inside of the denitrification tank body 1 is fixedly connected with a stirring piece 3. Here, bottom one side of denitrogenation jar main part 1 is provided with the drain, when carrying out the denitrogenation to sewage, can pour activated sludge and sewage into denitrogenation jar main part 1 from closed jar mouth 2, and pour alkaline chemistry agent into in denitrogenation jar main part 1, it is sealed to be in the closed state to with closed jar mouth 2 again, make denitrogenation jar main part 1 inside, and through the operation of stirring piece 3, can mix inside sewage, activated sludge and alkaline chemistry agent, and then carry out the denitrogenation to sewage, in the denitrogenation process, nitrogen separation in the sewage forms nitrogen gas, make the inside atmospheric pressure of denitrogenation jar main part 1 grow, when atmospheric pressure is too big, can carry out overhead to exhaust 4, and then prop up exhaust 4, make nitrogen gas discharge from exhaust 4 inside, after the sewage denitrogenation is accomplished, can open solenoid valve 5, make the activated sludge of sediment get into sludge box 7 through mud pipe 6, after the mud gets into, and open the drain of one side of denitrogenation jar main part 1, and then discharge inside sewage, can pour the catalyst into inside sludge box 7, and then the inside biological reproduction box is in the interior of activated sludge box 7, can be kept the inside the sewage is carried out in the sewage box, when the sewage is little the sewage is used to the sewage, can be recovered in the activated sludge box, the effect is kept in the inside the sewage can be recovered, when the sewage is gradually carried out by the sewage, the sewage is recovered, the sewage is inside the sewage is in the activated, and the sewage can be recovered, and the sewage can be effectively in the sewage can be recovered.

Referring to fig. 3, the stirring member 3 includes a driving motor 31 fixedly connected to one side of the denitrification tank body 1, a first turntable 32 fixedly connected to an output end of the driving motor 31, a rotating rod 36 rotationally connected to an inside of the denitrification tank body 1, one side of the rotating rod 36 is fixedly connected to the first turntable 32, one end of the other side of the rotating rod 36 is fixedly connected to a second turntable 34, and the first turntable 32 is in transmission connection with the second turntable 34 through a transmission belt 33. Under the operation of the driving motor 31, the first turntable 32 is driven to rotate, the first turntable 32 can drive the second turntable 34 to rotate through the driving belt 33, so that the first turntable 32 and the second turntable 34 synchronously rotate, thereby driving the two rotating rods 36 to rotate, the rotating rods 36 can drive the stirring rod 35 to rotate, sewage, activated sludge and alkaline chemical agent in the denitrification tank main body 1 can be stirred through the stirring rod 35, the sewage can fully react in the denitrification tank main body 1, and the denitrification speed is further accelerated.

Referring to fig. 4, the conveying member 8 includes a suction pump 81 fixedly connected to one end of the top of the sludge tank 7, a suction end of the suction pump 81 is fixedly connected with a suction pipe, an output end of the suction pump 81 is fixedly connected with a sludge discharge pipe 82, one end of the sludge discharge pipe 82 is communicated with the denitrification tank main body 1, a servo motor 71 is fixedly connected to one side of the top of the sludge tank 7, a threaded rod 72 is fixedly connected to an output end of the servo motor 71, a guide rod 73 is fixedly connected to an inner triangle of the sludge tank 7, a water permeable plate 74 is connected to the threaded rod 72 in a threaded manner, the water permeable plate 74 is connected to the guide rod 73 in a penetrating manner, a suction pump 75 is fixedly connected to one side of the top of the sludge tank 7, a corrugated suction pipe 76 is fixedly connected to a suction end of the suction pump 75, and a drainage pipe 77 is fixedly connected to a water outlet end of the suction pump 75. After activated sludge enters the sludge tank 7, the operation of the servo motor 71 can drive the threaded rod 72 to rotate, the rotating threaded rod 72 can drive the water permeable plate 74, and then the water permeable plate 74 is driven to press downwards to remove the sewage and the sludge entering the sludge tank 7, and under the operation of the liquid suction pump 75, the separated sewage is pumped through the corrugated pumping pipe 76 and discharged into the external sewage tank through the water discharge pipe 77, and then the sewage in the sludge tank 7 is removed, and then the catalyst is poured into the sludge tank 7, so that the propagation of microorganisms and organic matters in the activated sludge is accelerated, so that the activated sludge can be quickly recovered in the sludge tank 7, when the sewage is denitrified again, the sludge can be pumped into the sludge discharge pipe 82 through the pumping pipe under the operation of the pumping pump 81, and is sent into the denitrification tank main body 1 for reuse, and here, the slotted hole corresponding to the pumping pipe is formed on one side of the water permeable plate 74, and when the water permeable plate 74 moves, the pumping pipe cannot interfere with the water permeable plate 74.

Referring to fig. 5, the air exhaust member 4 includes an air exhaust tube 41 fixedly connected to the top end of one side of the denitrification tank body 1, an L-shaped plate 42 is fixedly connected to one side of the top end of the air exhaust tube 41, an elastic sealing member is fixedly connected to the L-shaped plate 42, the elastic sealing member includes a telescopic rod 43 fixedly connected to the L-shaped plate 42, a sealing plate 45 is fixedly connected to the bottom end of the telescopic rod 43, a spring 44 is sleeved on the telescopic rod 43, a sealing plate 46 is fixedly connected to the bottom of the sealing plate 45, when sewage is denitrified in the denitrification tank body 1, generated nitrogen gas can enlarge the internal air pressure of the denitrification tank body 1, when the air pressure is too large, the sealing plate 45 can be overhead, so that the sealing plate 45 can be moved upwards, when the sealing plate 45 moves, the spring 44 can be extruded, so that the spring 44 can shrink, the sealing plate 45 can be released from the sealing plate 41, and then nitrogen gas can be exhausted from the denitrification tank body 1, the internal air pressure can be reduced, the sealing plate 45 can be pushed back into the interior of the air exhaust tube 41 through the elastic action of the spring 44, and the sealing plate 41 can be resealed, thereby realizing the automatic denitrification tank body 1, and the sealing plate 45 can be made of sealing between the sealing plate and the air exhaust tube 41.

Working principle: when the sewage is denitrified, the activated sludge and the sewage can be poured into the denitrification tank main body 1 from the closed tank opening 2, the alkaline chemical agent is poured into the denitrification tank main body 1, then the closed tank opening 2 is closed, the denitrification tank main body 1 is in a closed state, the rotating turntable I32 is driven to rotate under the operation of the driving motor 31, the rotating turntable I32 can drive the rotating turntable II 34 to rotate through the driving belt 33, the rotating turntable I32 and the rotating turntable II 34 synchronously rotate, thereby driving the two rotating rods 36 to rotate, the rotating rods 36 can drive the stirring rods 35 to rotate, the sewage, the activated sludge and the alkaline chemical agent in the denitrification tank main body 1 can be stirred through the stirring rods 35, the sewage can fully react in the denitrification tank main body 1, and then the sewage is denitrified, and nitrogen in the sewage is separated to form nitrogen in the denitrification process, when the air pressure is too large, the sealing plate 45 can be overhead, so that the sealing plate 45 moves upwards, when the sealing plate 45 moves, the spring 44 can be extruded, the spring 44 contracts, the sealing plate 45 after movement can release the sealing of the exhaust funnel 41, further, nitrogen is discharged from the exhaust funnel 41, the air pressure in the denitrification tank body 1 can be reduced along with the discharge of the nitrogen, the sealing plate 45 can be pushed back to the inside of the exhaust funnel 41 through the elastic action of the spring 44, the exhaust funnel 41 is re-sealed, thereby realizing the automatic discharge of the nitrogen in the denitrification tank body 1, after the sewage denitrification is completed, the electromagnetic valve 5 can be opened, so that the precipitated activated sludge enters the sludge box 7 through the sludge conveying pipe 6, after the sludge enters, the electromagnetic valve 5 can be closed, a sewage drain on one side of the denitrification tank body 1 is opened, and the internal sewage is discharged, the catalyst can be poured into the sludge box 7, so that the propagation of microorganisms and organic matters in the activated sludge is quickened, the activated sludge is gradually recovered in the sludge box 7, when the sewage is denitrified again, the sludge can be pumped into the sludge discharge pipe 82 through the sludge pumping pipe under the operation of the sludge pumping pump 81, and then the sludge in the sludge box 7 can be pumped into the denitrification tank main body 1 for use, so that the activated sludge can keep the adsorption effect, and the denitrification efficiency is improved.

Claims (8)

1. The denitrification tank comprises a denitrification tank main body (1), and is characterized in that: the top fixedly connected with closed jar mouth (2) of denitrogenation jar main part (1), and the bottom fixedly connected with solenoid valve (5) of denitrogenation jar main part (1), one side intercommunication of solenoid valve (5) has mud pipe (6), the one end fixedly connected with mud case (7) of mud pipe (6), top one side fixedly connected with conveying piece (8) of mud case (7), the output and the denitrogenation jar main part (1) intercommunication of conveying piece (8), one side upper end fixedly connected with exhaust piece (4) of denitrogenation jar main part (1), the inside fixedly connected with stirring piece (3) of denitrogenation jar main part (1).

2. The denitrification tank according to claim 1, wherein: the stirring piece (3) comprises a driving motor (31) fixedly connected to one side of the denitrification tank main body (1), a first turntable (32) is fixedly connected to the output end of the driving motor (31), mutually symmetrical rotating rods (36) are rotatably connected to the inside of the denitrification tank main body (1), one side of the rotating rods (36) is fixedly connected with the first turntable (32), one end of the rotating rod (36) on the other side is fixedly connected with a second turntable (34), and the first turntable (32) is in transmission connection with the second turntable (34) through a transmission belt (33).

3. The denitrification tank according to claim 1, wherein: the conveying piece (8) comprises a mud pump (81) fixedly connected to one end of the top of the sludge box (7), a mud pumping pipe is fixedly connected to the pumping end of the mud pump (81), a mud discharging pipe (82) is fixedly connected to the output end of the mud pumping pump (81), and one end of the mud discharging pipe (82) is communicated with the denitrification tank main body (1).

4. The denitrification tank according to claim 1, wherein: the utility model discloses a sewage treatment device, including mud case (7), screw rod (72), screw rod (74) and screw plate (74) are gone up in threaded connection on threaded rod (72), servo motor (71)'s top one side fixedly connected with servo motor (71), the output fixedly connected with threaded rod (72) of mud case (7) inside triangle all fixedly connected with guide arm (73), screw plate (74) and guide arm (73) through connection.

5. The denitrification tank according to claim 1, wherein: the sludge treatment device is characterized in that a liquid pump (75) is fixedly connected to one side of the top of the sludge tank (7), a corrugated water pumping pipe (76) is fixedly connected to the water pumping end of the liquid pump (75), and a water discharging pipe (77) is fixedly connected to the water outlet end of the liquid pump (75).

6. The denitrification tank according to claim 1, wherein: the exhaust piece (4) comprises an exhaust barrel (41) fixedly connected to the top end of one side of the denitrification tank main body (1), an L-shaped plate (42) is fixedly connected to one side of the top end of the exhaust barrel (41), and an elastic sealing piece is fixedly connected to the L-shaped plate (42).

7. The denitrification tank according to claim 6, wherein: the elastic sealing piece comprises a telescopic rod (43) fixedly connected to the L-shaped plate (42), a sealing plate (45) is fixedly connected to the bottom end of the telescopic rod (43), and a spring (44) is sleeved on the telescopic rod (43).

8. The denitrification tank according to claim 7, wherein: the bottom of the sealing plate (45) is fixedly connected with a sealing plate (46).