CN210974103U

CN210974103U - Municipal administration sewage autotrophic denitrification filtration system

Info

Publication number: CN210974103U
Application number: CN201922050368.XU
Authority: CN
Inventors: 吴明晓
Original assignee: Shanghai Shengmaiyuan Biotechnology Co ltd
Current assignee: Shanghai Shengmaiyuan Biotechnology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-10
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a municipal administration sewage autotrophic denitrification filtration system, this autotrophic denitrification filtration system include the denitrification pond, denitrification pond left side surface is close to the bottom position and is equipped with the circulating pipe, and the other end of circulating pipe is connected with the self priming pump, the front end of self priming pump is connected with the inlet tube. The utility model discloses a municipal administration sewage autotrophic denitrification filtration system, firstly, through setting up back flow, circulating pipe and self priming pump in one side of the denitrification pond, not only can carry on the circulation heating, can also control the autotrophic denitrification bacterial system concentration in the sewage at the same time, facilitate recycling; secondly, through controlling that first motor and No. two motors rotate with the direction of difference, because the stirring direction of stirring ring and puddler is opposite, can drive sewage and carry out the rotation of equidirectional not to make sewage strike each other, improve the misce bene degree of stirring, can also reduce the required time of stirring simultaneously.

Description

Municipal administration sewage autotrophic denitrification filtration system

Technical Field

The utility model relates to a sewage treatment technical field, in particular to municipal administration sewage autotrophic denitrification system of straining.

Background

The autotrophic denitrification biofilter is internally provided with a high-efficiency sulfur autotrophic denitrification bacterial system, nitrate is used as an electron donor to reduce nitrate nitrogen into nitrogen in an anoxic environment, and the system is efficient and thorough in denitrification;

at present, when sewage is stirred in the existing denitrification tank, the sewage can only collide with the inner wall of an inner tank due to the single stirring direction, so that an autotrophic denitrification bacterial system and nitrate nitrogen in the sewage are mixed, but most of the autotrophic denitrification bacterial systems rotate together with the nitrate nitrogen during stirring, so that the autotrophic denitrification bacterial system and the nitrate nitrogen cannot be mixed with each other and can only be mixed through body-only diffusion, the stirring effect and efficiency are influenced, a large amount of time is spent on stirring the sewage in the denitrification tank, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a municipal administration sewage autotrophic denitrification system of straining can effectively solve the problem in the background art.

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

an autotrophic denitrification filtration system for municipal wastewater, comprising:

the device comprises a denitrification tank, a circulating pipe is arranged on the outer surface of the left side of the denitrification tank close to the bottom end, the other end of the circulating pipe is connected with a self-priming pump, the front end of the self-priming pump is connected with a water inlet pipe, a return pipe is arranged between the water inlet pipe and the outer surface of the left side of the denitrification tank close to the top end, and a water outlet pipe and an emptying pipe are respectively arranged on the outer surface of the right side of the denitrification tank close to the upper end and;

the inner tank is fixedly provided with the inner surface of the denitrification pool, a vacuum cavity is arranged between the inner tank and the denitrification pool, and an air pressure sensor is arranged inside the vacuum cavity;

stirring ring and puddler, the internal surface of inner tank is equipped with the support frame, and the inside center department of support frame is equipped with the mount pad, and there is a motor through bolt fixed mounting in the inside of mount pad, stirring ring swing joint is at the bottom surface of a motor, the interior bottom center department fixed mounting of inner tank has No. two motors, puddler movable mounting is at the top surface of No. two motors.

Preferably, the outer surface of the denitrification pool is provided with a switch button and a display screen, and the display screen is positioned above the switch button.

Preferably, the battery is fixedly installed on the outer surface of the bottom end of the denitrification tank through bolts, and the input ends of the self-priming pump, the first motor, the second motor and the air pressure sensor are electrically connected with the output end of the battery through wires.

Preferably, through bearing swing joint between the surface of puddler and the stirring ring, and the impartial interval of both sides inner wall of stirring ring is equipped with a plurality of stirring leaves No. one, equidistant welding of the surface of puddler has a plurality of go-between, and the bilateral symmetry welding of go-between has No. two stirring leaves.

Preferably, the outer surfaces of the water inlet pipe and the return pipe are both connected with electromagnetic valves, and the outer surface of the return pipe is wound with heating wires.

Preferably, a supporting plate is connected between the inner surface of the supporting frame and the mounting seat, and the outer diameter of the supporting frame is equal to the inner diameter of the inner tank.

Preferably, pulleys are movably mounted on the outer surfaces of the two sides of the stirring ring through rotating shafts, and rubber rings are sleeved on the outer surfaces of the pulleys.

Compared with the prior art, the utility model discloses following beneficial effect has:

firstly, a return pipe, a circulating pipe and a self-sucking pump are arranged on one side of the denitrification tank, so that not only can cyclic heating be performed, but also the concentration of autotrophic denitrification bacteria in sewage can be controlled, and the cyclic use is facilitated;

secondly, motors are respectively arranged at the centers of the inner bottom surfaces of the support frame and the inner tank, and the two motors are respectively connected with the stirring ring and the stirring rod, so that different modes can be conveniently and more conveniently selected for stirring;

thirdly, the first motor and the second motor are controlled to rotate in different directions, and the stirring ring and the stirring rod are opposite in stirring direction, so that the sewage can be driven to rotate in different directions, the sewage can impact each other, the stirring uniformity is improved, and the time required by stirring can be reduced;

fourthly sets up the inner tank through the inside at the denitrification pond, can provide double-deck protection for sewage treatment, secondly, through set up pressure sensor between inner tank and denitrification pond, whether the outer wall that detects out inner tank or denitrification pond that can be timely takes place to damage.

Drawings

FIG. 1 is an overall structure diagram of the municipal sewage autotrophic denitrification filtration system of the utility model;

FIG. 2 is a partial cross-sectional view of a denitrification tank in the municipal sewage autotrophic denitrification filtration system of the present invention;

FIG. 3 is a structural diagram of a support frame in the municipal sewage autotrophic denitrification filtration system of the present invention;

FIG. 4 is a structural diagram of a stirring ring in the municipal sewage autotrophic denitrification filtration system of the present invention;

figure 5 is the utility model relates to a structure diagram of puddler among municipal administration sewage autotrophic denitrification system.

In the figure: 1. a denitrification tank; 2. a return pipe; 3. a circulation pipe; 4. a water inlet pipe; 5. a self-priming pump; 6. a water outlet pipe; 7. emptying the pipe; 8. an inner tank; 9. a support frame; 10. a first motor; 11. a stirring ring; 12. a second motor; 13. a stirring rod; 14. an air pressure sensor; 15. a first stirring blade; 16. and (7) connecting rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-5, a municipal sewage autotrophic denitrification filter system comprises:

the device comprises a denitrification tank 1, wherein a circulating pipe 3 is arranged on the outer surface of the left side of the denitrification tank 1, which is close to the bottom end, the other end of the circulating pipe 3 is connected with a self-priming pump 5, the front end of the self-priming pump 5 is connected with a water inlet pipe 4, a return pipe 2 is arranged between the water inlet pipe 4 and the outer surface of the left side of the denitrification tank 1, which is close to the top end, and a water outlet pipe 6 and an emptying pipe 7 are respectively arranged on the outer surface of the right side of the;

the device comprises an inner tank 8, wherein the inner tank 8 is fixedly provided with the inner surface of a denitrification tank 1, a vacuum cavity is arranged between the inner tank 8 and the denitrification tank 1, and an air pressure sensor 14 is arranged inside the vacuum cavity;

stirring ring 11 and puddler 13, the internal surface of inner tank 8 is equipped with support frame 9, and the inside center department of support frame 9 is equipped with the mount pad, and there is a motor 10 in the inside of mount pad through bolt fixed mounting, and 11 swing joint of stirring ring is at the bottom surface of a motor 10, and inner bottom center department fixed mounting of inner tank 8 has No. two motors 12, and puddler 13 movable mounting is at the top surface of No. two motors 12.

Referring to fig. 1, the outer surface of the denitrification tank 1 is provided with a switch button and a display screen, and the display screen is positioned above the switch button.

Referring to fig. 2, the battery is fixedly installed on the outer surface of the bottom end of the denitrification tank 1 through bolts, and the input ends of the self-priming pump 5, the first motor 10, the second motor 12 and the air pressure sensor 14 are electrically connected with the output end of the battery through a lead.

Referring to fig. 4-5, the outer surface of the stirring rod 13 is movably connected with the stirring ring 11 through a bearing, a plurality of first stirring blades 15 are arranged on the inner walls of the two sides of the stirring ring 11 at equal intervals, a plurality of connecting rings 16 are welded on the outer surface of the stirring rod 13 at equal intervals, and second stirring blades are symmetrically welded on the two sides of the connecting rings 16.

Referring to fig. 1, the outer surfaces of the water inlet pipe 4 and the return pipe 2 are both connected with electromagnetic valves, and the outer surface of the return pipe 2 is wound with heating wires.

Referring to fig. 2, a support plate is connected between the inner surface of the support frame 9 and the mounting seat, and the outer diameter of the support frame 9 is equal to the inner diameter of the inner tank 8.

Referring to fig. 2, pulleys are movably mounted on the outer surfaces of two sides of the stirring ring 11 through rotating shafts, rubber rings are sleeved on the outer surfaces of the pulleys, and a discharging cover is arranged at the top end of the denitrification tank 1.

When the device is used, the self-priming pump 5 is started firstly, sewage to be denitrified is sent into the inner tank 8 of the denitrification tank 1 from the water inlet pipe 4, the discharge cover at the top end of the denitrification tank 1 is opened simultaneously, the autotrophic denitrifying bacteria system is poured into the inner tank 8, then the electromagnetic valve on the surface of the water inlet pipe 4 is closed, the sewage is stopped from being added, then the self-priming pump 5, the first motor 10 and the second motor 12 are started, the first motor 10 drives the stirring ring 11 to rotate in the forward direction, the second motor 12 drives the stirring rod 13 to rotate in the reverse direction, as the second stirring blade on the outer surface of the stirring rod 13 drives the sewage inside the inner tank 8 to rotate anticlockwise, the first stirring blade 15 on the inner surface of the stirring ring 11 drives the sewage inside the inner tank 8 to rotate clockwise, so as to form two sewage with different rotation directions, the sewage with different flow directions collide with each other, the mixing efficiency of the sewage is improved, and the mixed sewage is under the action of the, into the circulation pipe 3, as the inlet pipe 4 is closed, the sewage is caused to re-enter the inner tank 8 along the return pipe 2, when the sewage passes through the return pipe 2, the heating wire wound on the outer surface of the return pipe 2 heats the sewage, so that the sewage in the inner tank 8 can be conveniently heated in a circulating way, secondly, the slow water inlet is carried out by controlling the water inlet pipe 4, the sewage can be mixed with the sewage flowing out from the circulating pipe 3 when the sewage enters, because the sewage flowing out of the inner tank 8 contains autotrophic denitrifying bacteria, the autotrophic denitrifying bacteria can be preliminarily mixed with nitrate nitrogen in the sewage, and after entering the inner tank 8, the nitrate nitrogen is fully mixed by stirring in the inner tank 8, thereby improve the mixed effect, after becoming the reaction, open outlet pipe 6 for the sewage after the processing is discharged, remains partly simultaneously, makes things convenient for subsequent continuation to use, improves the rational utilization of resource.

When the inner tank 8 or the denitrification tank 1 is damaged, outside air or sewage enters the front vacuum cavity of the inner tank 8 and the denitrification tank 1, so that the air pressure inside the vacuum cavity is increased, the air pressure sensor 14 in the vacuum cavity detects the increased air pressure, and therefore whether the inner tank 8 or the denitrification tank 1 is damaged or not can be known in time by observing whether the value detected by the air pressure sensor 14 changes or not.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a municipal administration sewage autotrophic denitrification system of straining which characterized in that, this autotrophic denitrification system of straining includes:

the device comprises a denitrification tank (1), wherein a circulating pipe (3) is arranged on the outer surface of the left side of the denitrification tank (1) and close to the bottom end, the other end of the circulating pipe (3) is connected with a self-sucking pump (5), the front end of the self-sucking pump (5) is connected with a water inlet pipe (4), a return pipe (2) is arranged between the water inlet pipe (4) and the outer surface of the left side of the denitrification tank (1) and close to the top end, and a water outlet pipe (6) and an emptying pipe (7) are respectively arranged on the outer surface of the right side of the denitrification tank (1);

the inner tank (8) is fixedly provided with the inner surface of the denitrification tank (1), a vacuum cavity is arranged between the inner tank (8) and the denitrification tank (1), and an air pressure sensor (14) is arranged inside the vacuum cavity;

stirring ring (11) and puddler (13), the internal surface of inner tank (8) is equipped with support frame (9), and the inside center department of support frame (9) is equipped with the mount pad, and there is motor (10) one in the inside of mount pad through bolt fixed mounting, stirring ring (11) swing joint is at the bottom surface of motor (10) one, the interior bottom center department fixed mounting of inner tank (8) has motor (12) two, puddler (13) movable mounting is at the top surface of motor (12) two.

2. The municipal sewage autotrophic denitrification filtration system according to claim 1, wherein: the outer surface of the denitrification tank (1) is provided with a switch button and a display screen, and the display screen is positioned above the switch button.

3. The municipal sewage autotrophic denitrification filtration system according to claim 1, wherein: the bottom surface of denitrification pond (1) has the battery through bolt fixed mounting, the input of self priming pump (5), a motor (10), No. two motor (12) and pneumatic pressure sensor (14) all is through the output electric connection of wire with the battery.

4. The municipal sewage autotrophic denitrification filtration system according to claim 1, wherein: through bearing swing joint between the surface of puddler (13) and stirring ring (11), and the impartial interval in both sides inner wall of stirring ring (11) is equipped with a plurality of stirring leaves (15), the equidistant welding of surface of puddler (13) has a plurality of go-between (16), and the bilateral symmetry welding of go-between (16) has No. two stirring leaves.

5. The municipal sewage autotrophic denitrification filtration system according to claim 1, wherein: the outer surfaces of the water inlet pipe (4) and the return pipe (2) are both connected with electromagnetic valves, and the outer surface of the return pipe (2) is wound with heating wires.

6. The municipal sewage autotrophic denitrification filtration system according to claim 1, wherein: a supporting plate is connected between the inner surface of the supporting frame (9) and the mounting seat, and the outer diameter of the supporting frame (9) is equal to the inner diameter of the inner tank (8).

7. The municipal sewage autotrophic denitrification filtration system according to claim 1, wherein: the outer surfaces of the two sides of the stirring ring (11) are respectively and movably provided with a pulley through a rotating shaft, and the outer surface of the pulley is sleeved with a rubber ring.