CN212954508U

CN212954508U - Activated sludge aeration treatment device

Info

Publication number: CN212954508U
Application number: CN202020861489.2U
Authority: CN
Inventors: 张义国; 高家豪; 吴宏辉; 胡小燕; 漆永梅
Original assignee: Alar Zhongtai Textile Technology Co ltd; Xinjiang Zhongtai Chemical Co Ltd
Current assignee: Alar Zhongtai Textile Technology Co ltd; Xinjiang Zhongtai Chemical Co Ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-04-13
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to an active sludge aeration treatment device, which comprises an aeration tank and a cover plate, wherein the cover plate is arranged at the upper side of the aeration tank and is used for sealing the opening at the upper side of the aeration tank; the bottom of the aeration tank is provided with an aeration pipe, one end of the aeration pipe is arranged outside the aeration tank, the other end of the aeration pipe extends into the aeration tank, and the aeration pipe extending into the aeration tank is provided with air holes; one side of the aeration tank is obliquely provided with a feeding port, a sludge raising mechanism is arranged on the lower side of the feeding port, and two ends of the sludge raising mechanism are respectively fixed on two inner side walls of the aeration tank; a grid plate is also arranged between the sludge raising mechanism and the aeration pipe, the circumferential edge of the grid plate is fixedly connected with the circumferential inner wall of the aeration tank, and a discharge hole is formed in the side wall of the aeration tank between the grid plate and the aeration pipe; a spray head part is arranged on one side of the cover plate facing the aeration tank and is fixed on the lower side of the cover plate through a hanging rod; the middle part of the cover plate is provided with an exhaust hole. The utility model discloses mix activated sludge and nutrient solution, can promote activated sludge's activity, the subsequent use of being convenient for.

Description

Activated sludge aeration treatment device

Technical Field

The utility model relates to a sewage treatment technical field especially relates to an active silt aeration treatment device.

Background

The most common technology in the sewage treatment process is to treat sewage by using microorganisms, settle the sewage after the microorganism treatment to obtain recyclable activated sludge, and put the activated sludge into a biochemical aeration tank for reuse, wherein the activated sludge contains microorganisms with certain difference from the content of the microorganisms specified in the biochemical aeration tank, and meanwhile, the content of phosphorus, nitrogen and the like in the activated sludge is low, and the activated sludge can cause the relative content of substances such as phosphorus, nitrogen and the like used by the microorganisms in the biochemical aeration tank to be low after being put into the biochemical aeration tank, so that the microorganisms can not be in the high-activity phosphorus and nitrogen environment, and the activity of the microorganisms is relatively low. The existing mode for keeping the microbial activity is to add urea, calcium superphosphate and other nutrient substances for improving the microbial activity in a biochemical aeration tank, but the urea and the calcium superphosphate contain a large amount of impurities, so the difficulty of sewage treatment is increased, the treatment cost of sewage is further increased, the existing mode for reducing the addition of the impurities into the biochemical aeration tank is to use liquid biological phosphorus and liquid biological nitrogen, but the liquid biological phosphorus and the biological nitrogen are directly added into the biochemical aeration tank, but the input amount cannot be well controlled, and after the active sludge is added into the biochemical aeration tank, the growth of the microorganisms needs a certain time for reaching high activity, so the time for biochemical aeration treatment is further increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for solving the technical problems, which has a simple structure and is used for the aeration treatment of activated sludge, and solves at least one technical problem.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

an activated sludge aeration treatment device comprises an aeration tank and a cover plate, wherein the cover plate is arranged on the upper side of the aeration tank in a covering manner and is used for sealing an opening on the upper side of the aeration tank;

an aeration pipe is arranged at the bottom of the aeration tank, one end of the aeration pipe is arranged outside the aeration tank, the other end of the aeration pipe extends into the aeration tank, and air holes are formed in the aeration pipe extending into the aeration tank;

one side of the aeration tank is obliquely provided with a feed inlet, a sludge lifting mechanism is arranged below the feed inlet, and two ends of the sludge lifting mechanism are respectively fixed on two inner side walls of the aeration tank;

a grid plate is further arranged between the sludge raising mechanism and the aeration pipe, the circumferential edge of the grid plate is fixedly connected with the circumferential inner wall of the aeration tank, and a discharge hole is formed in the side wall of the aeration tank between the grid plate and the aeration pipe;

a spray head part is arranged on one side of the cover plate, which faces the aeration tank, and the spray head part is fixed on the lower side of the cover plate through a hanging rod;

the middle part of the cover plate is provided with an exhaust hole.

The utility model has the advantages that: the utility model discloses simple structure, can convenient and fast mix activated sludge and microorganism nutrient solution. The utility model discloses a raise mud mechanism and can disperse activated sludge, get into the aeration tank, activated sludge can carry a large amount of air when getting into the aeration tank like this, and oxygen dwell time in can effectual promotion aeration tank promotes the quick growth of microorganism among the activated sludge. The utility model discloses a shower nozzle portion can be used for spouting water or nutrient solution, can effectually eliminate the foam that the part produced in aeration process, prevents that the foam accumulation on aeration tank surface from producing the influence to the living of microorganism. The utility model discloses mix activated sludge and nutrient solution, can promote activated sludge's activity, the subsequent use of being convenient for.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

further, the mud pumping mechanism comprises a motor, a rotating shaft, an annular driving piece, a fixed rod and a mud pumping piece, the motor is fixed on the outer side of the aeration tank, one end of the rotating shaft is in transmission connection with the output end of the motor, the other end of the rotating shaft extends into the aeration tank, two annular driving pieces are arranged, the two annular driving pieces are respectively sleeved on the rotating shaft in the aeration tank, the inner sides of the two annular driving pieces are fixed on the rotating shaft through driving rods, four fixing rods are arranged, and four driving rods are arranged between the two annular driving pieces, the four fixing rods are arranged in parallel with the rotating shaft, the two ends of the fixed rod are respectively fixedly connected with the two annular driving pieces, the mud pumping pieces are multiple, and the mud pumping pieces are fixed on the fixed rod at intervals.

The beneficial effect of adopting the further scheme is that: raise mud mechanism simple structure, convenient to use can get into the activated sludge that the pan feeding mouth got into with the mode of shedding and mix with the nutrient solution in the aeration tank to at the aeration in-process, its microorganism fully contacts with nutrient solution and air, the reproductive efficiency of effectual promotion microorganism.

Furthermore, a plurality of partition plates are arranged in the feeding port at intervals, and the lower ends of the partition plates are fixed at the bottom of the feeding port.

The beneficial effect of adopting the further scheme is that: the partition plate can partition activated sludge input from the material inlet, and the interior of the sludge is in contact with air, so that oxygen carrying capacity in the input process of the activated sludge is increased.

Further, the feeding port is of a regular frustum pyramid structure.

The beneficial effect of adopting the further scheme is that: the pan feeding mouth of positive frustum of a prism shape structure, such inflation shape structure can conveniently disperse silt, makes things convenient for subsequent operations such as mud of raising upward.

Furthermore, the number of the spraying head parts is two, the two spraying head parts are respectively fixed on two sides of the axis of the exhaust hole, and the outer side of the aeration tank is also provided with a metering pump respectively corresponding to the two spraying head parts, and the metering pump is connected with the spraying head parts through pipelines.

The beneficial effect of adopting the further scheme is that: the two spray head parts can be respectively used for adding biological nitrogen and biological phosphorus, the biological phosphorus and the biological nitrogen can be quantitatively added through the metering pump, and the control effect on the activity of microorganisms is better.

Furthermore, a defogging plate is arranged in the exhaust hole, and the circumferential edge of the defogging plate is fixedly connected with the inner wall of the exhaust hole.

The beneficial effect of adopting the further scheme is that: the defogging plate can effectively recycle useful components sprayed and atomized by the spray head part, and can reduce the loss of biological phosphorus or biological nitrogen.

Drawings

FIG. 1 is a main sectional view of the structure of the present invention;

FIG. 2 is a left side sectional view of the structure of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

fig. 4 is a schematic structural diagram of the mud pumping mechanism of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. aeration tank, 2, apron, 3, aeration pipe, 4, aeration hole, 5, discharge gate, 6, pan feeding mouth, 7, peg, 8, raise mud mechanism, 9, grid board, 10, axis of rotation, 11, measuring pump, 12, exhaust hole, 13, defogging board, 14, spout the head, 15, raise the mud piece, 16, dead lever, 17, annular driving piece, 18, actuating lever, 19, motor, 20, cut apart the board.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

As shown in fig. 1-3, the utility model comprises an aeration tank 1 and a cover plate 2, wherein the cover plate 2 is arranged on the upper side of the aeration tank 1 in a covering manner and is used for sealing the opening on the upper side of the aeration tank 1; the bottom of the aeration tank 1 is provided with an aeration pipe 3, one end of the aeration pipe 3 is arranged outside the aeration tank 1, the other end of the aeration pipe 3 extends into the aeration tank 1, and aeration holes 4 are arranged on the aeration pipe 3 extending into the aeration tank 1; one side of the aeration tank 1 is obliquely provided with a feeding port 6, a sludge raising mechanism 8 is arranged at the lower side of the feeding port 6, and two ends of the sludge raising mechanism 8 are respectively fixed on two inner side walls of the aeration tank 1; a grid plate 9 is also arranged between the sludge raising mechanism 8 and the aeration pipe 3, the circumferential edge of the grid plate 9 is fixedly connected with the circumferential inner wall of the aeration tank 1, and a discharge hole 5 is arranged on the side wall of the aeration tank 1 between the grid plate 9 and the aeration pipe 3; a spray head part 14 is arranged on one side of the cover plate 2 facing the aeration tank 1, and the spray head part 14 is fixed on the lower side of the cover plate 2 through a hanging rod 7; the middle part of the cover plate 2 is provided with an exhaust hole.

The sludge raising mechanism 8 comprises a motor 19, a rotating shaft 10, annular driving pieces 17, fixing rods 16 and sludge raising sheets 15, wherein the motor 19 is fixed on the outer side of the aeration tank 1, one end of the rotating shaft 10 is in transmission connection with the output end of the motor 19, the other end of the rotating shaft 10 extends into the aeration tank 1 and is in rotation connection with the inner side wall of the aeration tank 1, two annular driving pieces 17 are arranged, the two annular driving pieces 17 are respectively sleeved on the rotating shaft 10 in the aeration tank 1, the inner sides of the two annular driving pieces 17 are fixed on the rotating shaft 10 through driving rods 18, four fixing rods 16 are arranged between the two annular driving pieces 17, the four fixing rods 16 are arranged in parallel to the rotating shaft 10, two ends of each fixing rod 16 are respectively and fixedly connected with the two annular driving pieces 17, a plurality of sludge raising sheets 15 are arranged, and the plurality of sludge; eight mud lifting pieces 15 are fixed on each fixing rod 16, and the mud lifting pieces 15 of two adjacent fixing rods 16 are arranged in a crossed manner; one end of the mud raising piece 15 is fixed with the rod body of the fixed rod 16, the other end of the mud raising piece extends towards the clockwise direction far away from the rotating shaft 10, and the mud raising piece 15 is perpendicular to the fixed rod 16; in fig. 1, the rotating shaft 10 rotates clockwise, so that the activated sludge entering from the material inlet is thrown into the air in the rotating process, is dispersed to form an irregular structure, and collides and contacts with a liquid interface of the aeration tank 1 under the action of gravity, so that oxygen required by the propagation of microorganisms in the aeration tank 1 can be effectively improved.

The feeding port 6 is of a regular frustum pyramid structure, a plurality of partition plates 20 are arranged in the feeding port 6, the partition plates 20 are arranged at intervals, and the lower ends of the partition plates 20 are fixed at the bottom of the feeding port 6.

Two spray head parts 14 are arranged, the two spray head parts 14 are respectively fixed at two sides of the axis of the exhaust hole 12, a metering pump 11 corresponding to the two spray head parts 14 is also arranged at the outer side of the aeration tank 1, and the metering pump 11 is connected with the spray head parts 14 through pipelines; the two nozzle portions 14 are arranged to face each other diagonally downward in the direction of ejection.

Be equipped with defogging board 13 in the exhaust hole 12, defogging board 13's hoop edge and the inner wall fixed connection in exhaust hole 12, defogging board 12 is equipped with by lower supreme ripple nature structure, and defogging board 12 is great with fog area of contact, and the treatment effect is better.

The utility model discloses a theory of operation does: after the sewage is biochemically treated, settling is carried out to obtain activated sludge; the activated sludge is thrown into the aeration tank 1 through the frustum-shaped feeding port 6 by the sludge raising mechanism 8; two spray heads 14 in the living pond respectively spray biological phosphorus and biological nitrogen into the aeration tank 1 to supply nutrition to the activated sludge so as to enable microorganisms in the activated sludge to be continuously propagated; the aeration pipe 3 is used for introducing air into the bottom of the aeration tank 1, so that the activated sludge is fully contacted with the mixed liquid of biological phosphorus and biological nitrogen, and the absorption of nutrients by microorganisms can be effectively improved; the sludge, the biological phosphorus and the biological nitrogen which improve the biological activity are sent into the biochemical pool together, so that urea or calcium superphosphate can be prevented from being added into the biochemical pool, the time is saved, and the sewage treatment effect is effectively improved; the spraying head part 14 sprays and throws biological phosphorus and biological nitrogen, can partially eliminate the foam that forms in the aeration tank 1, prevents that the foam from insulating microorganism and air, and the effectual revival efficiency that promotes microorganism in the activated sludge.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The activated sludge aeration treatment device is characterized by comprising an aeration tank (1) and a cover plate (2), wherein the cover plate (2) is arranged on the upper side of the aeration tank (1) in a covering manner and is used for sealing the opening on the upper side of the aeration tank (1);

an aeration pipe (3) is arranged at the bottom of the aeration tank (1), one end of the aeration pipe (3) is arranged outside the aeration tank (1), the other end of the aeration pipe (3) extends into the aeration tank (1), and aeration holes (4) are formed in the aeration pipe (3) extending into the aeration tank (1);

one side of the aeration tank (1) is obliquely provided with a feeding port (6), a sludge raising mechanism (8) is arranged on the lower side of the feeding port (6), and two ends of the sludge raising mechanism (8) are respectively fixed on two inner side walls of the aeration tank (1);

a grid plate (9) is further arranged between the sludge raising mechanism (8) and the aeration pipe (3), the circumferential edge of the grid plate (9) is fixedly connected with the circumferential inner wall of the aeration tank (1), and a discharge hole (5) is formed in the side wall of the aeration tank (1) between the grid plate (9) and the aeration pipe (3);

a spray head part (14) is arranged on one side of the cover plate (2) facing the aeration tank (1), and the spray head part (14) is fixed on the lower side of the cover plate (2) through a hanging rod (7);

the middle part of the cover plate (2) is provided with an exhaust hole (12).

2. The activated sludge aeration treatment device according to claim 1, wherein the sludge raising mechanism (8) comprises a motor (19), a rotating shaft (10), two annular driving members (17), a fixing rod (16) and sludge raising sheets (15), the motor (19) is fixed on the outer side of the aeration tank (1), one end of the rotating shaft (10) is in transmission connection with the output end of the motor (19), the other end of the rotating shaft (10) extends into the aeration tank (1) to be in rotational connection with the inner side wall of the aeration tank (1), the number of the annular driving members (17) is two, the two annular driving members (17) are respectively sleeved on the rotating shaft (10) in the aeration tank (1), the inner sides of the two annular driving members (17) are fixed on the rotating shaft (10) through a driving rod (18), and the number of the fixing rods (16) is four, and four fixing rods (16) are arranged between the two annular driving pieces (17), the four fixing rods (16) are parallel to the rotating shaft (10), two ends of each fixing rod (16) are fixedly connected with the two annular driving pieces (17), a plurality of sludge raising sheets (15) are arranged, and the plurality of sludge raising sheets (15) are fixed on the fixing rods (16) at intervals.

3. An activated sludge aeration treatment apparatus according to claim 1 wherein a plurality of partition plates (20) are provided in the inlet (6), the plurality of partition plates (20) are provided at intervals, and the lower ends of the partition plates (20) are fixed to the bottom of the inlet (6).

4. An activated sludge aeration treatment apparatus according to claim 2 wherein the inlet (6) is of a regular pyramid configuration.

5. An activated sludge aeration treatment apparatus according to any one of claims 1 to 4, wherein the number of the nozzle parts (14) is two, the two nozzle parts (14) are respectively fixed on both sides of the axis of the exhaust hole (12), a metering pump (11) corresponding to the two nozzle parts (14) is further provided on the outer side of the aeration tank (1), and the metering pump (11) is connected with the nozzle parts (14) through a pipeline.

6. An activated sludge aeration treatment apparatus according to claim 5, wherein a defogging plate (13) is arranged in the exhaust hole (12), and the circumferential edge of the defogging plate (13) is fixedly connected with the inner wall of the exhaust hole (12).