CN212740865U

CN212740865U - Sewage treatment plant carbon source supplementing device

Info

Publication number: CN212740865U
Application number: CN202021285053.XU
Authority: CN
Inventors: 阳洋; 唐剑; 王蕊; 孙威; 任博渝; 王炤梁
Original assignee: Tianjin Huamiao Water Supply And Drainage Research Designing Institute Co ltd
Current assignee: Tianjin Water Group Huamiao Planning, Survey and Design Institute Co.,Ltd.
Priority date: 2020-07-05
Filing date: 2020-07-05
Publication date: 2021-03-19
Anticipated expiration: 2030-07-05

Abstract

The utility model provides a carbon source supplementing device for a sewage treatment plant. The carbon source supplementing device of the sewage treatment plant comprises a carbon storage tank, a mixing tank, a drainage mechanism and a snail pump, wherein a discharging mechanism used for reducing carbon ash discharge blockage in the carbon storage tank is installed in the carbon storage tank, a mixing tank fixing frame is arranged at the bottom of the carbon storage tank, a discharge hole communicated with the mixing tank is formed between the mixing tank and the carbon storage tank, a drainage pump is fixedly installed on the mixing tank, the drainage mechanism is installed in the mixing tank and comprises a drainage ring and a spray head, the drainage rings with the same specifications are fixedly installed in the mixing tank through a support, the spray head distributed in a plurality of rings is fixedly installed at the bottom of the drainage ring, the snail pump is fixedly installed on the mixing tank, a carbon inlet tube is fixedly installed at a feed inlet of the snail pump, and the discharge hole of the snail pump extends into the mixing tank through a guide tube. The utility model provides a sewage treatment plant carbon source supplementing device has the advantage of avoiding carbon source polluted environment and reducing the carbon source input volume.

Description

Sewage treatment plant carbon source supplementing device

Technical Field

The utility model relates to a technical field is thrown to the medicament, especially relates to a sewage treatment plant carbon source supplementary device.

Background

In sewage treatment, COD (chemical oxygen demand) and TN (total nitrogen) of main pollutants are reduced by depending on the action of nitrobacteria and denitrifying bacteria, if the BOD content of inlet water of a sewage plant is low, the growth of the denitrifying bacteria is limited, the denitrifying capability is weakened, and the phosphorus and nitrogen removal capability of a biological treatment part cannot meet the requirement of pollutant removal.

When the existing powdered activated carbon adding device is used for adding powdered activated carbon into sewage, the activated carbon is directly added onto the water surface of the sewage, the condition of dust flying is easily caused due to the small particle size of the powdered activated carbon, the environment is polluted, and the biological carbon source sludge generated by fermentation at the bottom of a sedimentation tank is not utilized, so that the adding amount of an additional carbon source is large.

Therefore, it is necessary to provide a carbon source supplementing apparatus for sewage treatment plants to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an avoid carbon source polluted environment and reduce sewage treatment plant carbon source supplementary device of carbon source input volume.

The utility model provides a sewage treatment plant carbon source supplementary device includes: store up the carbon tank, the blending tank, drainage mechanism and snail pump, install the unloading mechanism that is used for reducing the interior carbon dust ejection of compact of carbon storage tank and blocks up in the carbon storage tank, the blending tank mount is established in the bottom of storing up the carbon tank, and set up the bin outlet of intercommunication between blending tank and the carbon storage tank, fixed mounting has the drain pump on the blending tank, drainage mechanism installs in the blending tank, and drainage mechanism includes drainage ring and shower nozzle, the same drainage ring of a plurality of specifications passes through support fixed mounting in the blending tank, and the equidistance distributes about the drainage ring, the shower nozzle that a plurality of annular distributes is installed to drainage ring bottom fixed mounting, and each drainage ring all passes through the outlet fixed connection of pipe with the drain pump, snail pump fixed mounting is on the blending tank, the feed inlet fixed mounting of snail pump has into carbon pipe, and the bin outlet of snail pump extends to the blending tank through the pipe.

Preferably, unloading mechanism includes driving motor, axis of rotation and spiral plate, and driving motor fixed mounting is at the top of storing up the carbon tank, and driving motor's output extends to in storing up the carbon tank and fixed mounting has the axis of rotation, and fixed cover is equipped with the spiral plate in the axis of rotation.

Preferably, install the rabbling mechanism that is used for improving sewage and carbon dust degree of mixing in the hybrid tank, and the rabbling mechanism includes dwang and puddler, the dwang extend to store up in the carbon tank and with the bottom fixed connection of axis of rotation, and fixed mounting has a plurality of evenly distributed's puddler on the dwang.

Preferably, the inner ring wall of the spiral plate is fixedly connected with the shaft wall of the rotating shaft, and the distance between the outer plate wall of the spiral plate and the inner tank wall of the carbon storage tank is 2-5 mm.

Preferably, a water guide pipe is fixedly installed at a water inlet of the drainage pump, and the water guide pipe extends into the sewage tank.

Preferably, the top of the carbon storage tank is fixedly provided with a feed hopper, and the bottom of the mixing tank is fixedly provided with a discharge pipe.

Compared with the prior art, the utility model provides a sewage treatment plant carbon source supplementary device has as follows

Has the advantages that:

1. the utility model discloses open driving motor and drive the puddler and mix falling carbon material and sewage, because the sewage that the drainage ring in the drainage mechanism discharged adopts the annular water spray, consequently improved the degree of mixing with the carbon material, and the carbohydrate mixture after mixing discharges to the sewage pond through arranging the material pipe, thereby avoided the tradition directly to throw the active carbon on the surface of water of sewage, and cause the problem of the circumstances polluted environment that dust flies upward;

2. the utility model discloses insert the carbon inlet pipe on the snail pump and establish to the biological treatment pond in to arrange sewage to the blending tank in, thereby reduce the input volume of external carbon source and can no longer increase the input volume of external carbon source even, thereby show the working costs who reducees the sewage factory.

Drawings

FIG. 1 is a schematic structural diagram of a carbon source supplementing apparatus for a sewage treatment plant according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the carbon storage tank shown in FIG. 1;

FIG. 3 is a schematic structural view of a drainage mechanism in the mixing tank shown in FIG. 1;

fig. 4 is a schematic structural view of an agitating mechanism in the mixing tank shown in fig. 3.

Reference numbers in the figures: 1. carbon storage tank, 2, mixing tank, 3, blanking mechanism, 31, driving motor, 32, rotating shaft, 33, spiral plate, 4, discharge port, 5, drainage pump, 6, water guide pipe, 7, drainage mechanism, 71, drainage ring, 72, spray head, 8, stirring mechanism, 81, rotating rod, 82, stirring rod, 9, snail pump, 9a, carbon inlet pipe, 9b, feed hopper, 9c and discharge pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a carbon source supplementing apparatus for a sewage treatment plant according to the present invention; FIG. 2 is a schematic view of the internal structure of the carbon storage tank shown in FIG. 1; FIG. 3 is a schematic structural view of a drainage mechanism in the mixing tank shown in FIG. 1; fig. 4 is a schematic structural view of an agitating mechanism in the mixing tank shown in fig. 3. The carbon source supplementing device of the sewage treatment plant comprises: carbon storage tank 1, mixing tank 2, drainage mechanism 7 and snail pump 9.

In the specific implementation process, as shown in fig. 1 and fig. 2, a fixing frame of a mixing tank 2 is arranged at the bottom of a carbon storage tank 1, a discharge port 4 is arranged between the mixing tank 2 and the carbon storage tank 1, an electromagnetic valve is arranged on the discharge port 4, a feed hopper 9b is fixedly arranged at the top of the carbon storage tank 1, a discharge pipe 9c is fixedly arranged at the bottom of the mixing tank 2, a blanking mechanism 3 for reducing carbon ash discharge blockage in the carbon storage tank 1 is arranged in the carbon storage tank 1, the blanking mechanism 3 comprises a driving motor 31, a rotating shaft 32 and a spiral plate 33, the driving motor 31 is fixedly arranged at the top of the carbon storage tank 1, an output end of the driving motor 31 extends into the carbon storage tank 1 and is fixedly provided with the rotating shaft 32, the spiral plate 33 is fixedly sleeved on the rotating shaft 32, a stirring mechanism 8 for improving the mixing degree of sewage and carbon ash is arranged in the mixing tank 2, and the stirring mechanism 8 comprises a rotating rod 81 and a, dwang 81 extends to in the carbon storage tank 1 and with the bottom fixed connection of axis of rotation 32, and fixed mounting has a plurality of evenly distributed's puddler 82 on the dwang 81, and fixed mounting has drain pump 5 on the blending tank 2, and the water inlet fixed mounting of drain pump 5 has aqueduct 6, and aqueduct 6 extends to in the sewage pond, drainage mechanism 7 is installed in blending tank 2, and drainage mechanism 7 includes drainage ring 71 and shower nozzle 72, the same drainage ring 71 of a plurality of specifications passes through support fixed mounting in blending tank 2, and drainage ring 71 is equidistance distribution from top to bottom, drainage ring 71 bottom fixed mounting has the shower nozzle 72 of a plurality of annular distribution, and each drainage ring 71 all passes through pipe and drain pump 5's outlet fixed connection.

It should be noted that: carbon powder is stored in a carbon storage tank 1, when carbon is supplemented to a sewage pool, a drainage pump 5 is started to drain sewage in the sewage pool into a mixing tank 2, an electromagnetic valve on a discharge port 4 is started, so that the carbon powder in the carbon storage tank 1 enters the mixing tank 2, a driving motor 31 is started to drive a rotating shaft 32 to rotate, so that a spiral plate 33 rotates along with the rotation, the spiral plate 33 not only increases the stroke of the carbon material in the mixing tank 2, but also improves the fluidity of the carbon material during blanking, the problem of blockage of the carbon material during blanking is avoided, after the carbon powder enters the mixing tank 2, the sewage in the sewage pool also enters the mixing tank 2 along with the drainage pump 5, a rotating rod 81 in a stirring mechanism 8 extends into the carbon storage tank 1 and is fixedly connected with the bottom of the rotating shaft 32, so that the stirring rod 82 mixes the falling carbon material and the sewage, and the sewage are sprayed by a drainage ring 71 in a drainage mechanism 7, therefore, the mixing degree of the carbon material is improved, and the mixed carbon-water mixture is discharged into the sewage tank through the discharge pipe 9c, so that the problem that the environment is polluted by the condition that dust flies due to the fact that the activated carbon is directly thrown to the water surface of sewage in the prior art is solved.

Wherein, the inner ring wall of the spiral plate 33 is fixedly connected with the shaft wall of the rotating shaft 32, and the distance between the outer plate wall of the spiral plate 33 and the inner tank wall of the carbon storage tank 1 is 2-5mm, so that the problem of abrasion between the spiral plate 33 and the inner tank wall of the carbon storage tank 1 is avoided.

Referring to fig. 1, the snail pump 9 is fixedly installed on the mixing tank 2, the inlet of the snail pump 9 is fixedly installed with a carbon inlet tube 9a, and the outlet of the snail pump 9 extends into the mixing tank 2 through a conduit.

It should be noted that: because the bottom of the sedimentation tank is fermented to generate sludge of biological carbon sources, and newly generated carbon sources are injected into the biological treatment tank, the potential biological carbon sources in the sewage are degraded, the carbon inlet pipe 9a on the snail pump 9 is inserted into the biological treatment tank, and the sewage is discharged into the mixing tank 2, so that the adding amount of the external carbon sources is reduced, even the adding amount of the external carbon sources can not be increased any more, and the operating cost of a sewage plant is obviously reduced.

The utility model provides a sewage treatment plant carbon source supplementing device's theory of operation as follows:

carbon powder is stored in a carbon storage tank 1, when carbon is supplemented to a sewage pool, a drainage pump 5 is started to drain sewage in the sewage pool into a mixing tank 2, an electromagnetic valve on a discharge port 4 is started, so that the carbon powder in the carbon storage tank 1 enters the mixing tank 2, a driving motor 31 is started to drive a rotating shaft 32 to rotate, a spiral plate 33 rotates along with the rotation, the spiral plate 33 not only increases the stroke of the carbon material in the mixing tank 2, but also improves the fluidity of the carbon material during blanking, the problem of blockage of the carbon material during blanking is avoided, after the carbon powder enters the mixing tank 2, the sewage in the sewage pool also enters the mixing tank 2 along with the drainage pump 5, a rotating rod 81 in a stirring mechanism 8 extends into the carbon storage tank 1 and is fixedly connected with the bottom of the rotating shaft 32, so that the stirring rod 82 mixes the falling carbon material and the sewage, and the mixed carbohydrate mixture is discharged into the sewage pool through a discharge pipe 9c, therefore, the problem that the environment is polluted by dust caused by the condition that the activated carbon is directly thrown on the water surface of the sewage in the prior art is solved, the sludge of the biological carbon source can be generated due to the fermentation of the bottom of the sedimentation tank, the newly generated carbon source is injected into the biological treatment tank, the carbon inlet pipe 9a on the snail pump 9 is inserted into the biological treatment tank by degrading the potential biological carbon source in the submerged sewage, and the sewage is discharged into the mixing tank 2, so that the adding amount of the external carbon source is reduced, and even the adding amount of the external carbon source can not be increased, and the operating cost of a sewage plant is obviously reduced.

The model specification of drain pump 5 in this scheme is65-40-200, and the specification model of snail pump 9 is DC50E, and the circuit and the control that relate to in the utility model are prior art, do not carry out too much repeated description here.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. A carbon source supplementing device for a sewage treatment plant is characterized by comprising:

the carbon storage tank (1) is internally provided with a blanking mechanism (3) for reducing carbon ash discharge blockage in the carbon storage tank (1);

the mixing tank (2) is fixedly arranged at the bottom of the carbon storage tank (1), a communicated discharge hole (4) is formed between the mixing tank (2) and the carbon storage tank (1), and a drainage pump (5) is fixedly arranged on the mixing tank (2);

the drainage mechanism (7) is installed in the mixing tank (2), the drainage mechanism (7) comprises drainage rings (71) and spray heads (72), the drainage rings (71) with the same specification are fixedly installed in the mixing tank (2) through a support, the drainage rings (71) are distributed at equal intervals from top to bottom, the bottom of each drainage ring (71) is fixedly provided with a plurality of spray heads (72) distributed in an annular mode, and each drainage ring (71) is fixedly connected with a water outlet of the drainage pump (5) through a guide pipe;

the device comprises a snail pump (9), wherein the snail pump (9) is fixedly arranged on the mixing tank (2), a carbon inlet pipe (9a) is fixedly arranged at a feed inlet of the snail pump (9), and a discharge port of the snail pump (9) extends into the mixing tank (2) through a guide pipe.

2. The carbon source supplementing device for the sewage treatment plant according to claim 1, wherein the blanking mechanism (3) comprises a driving motor (31), a rotating shaft (32) and a spiral plate (33), the driving motor (31) is fixedly installed at the top of the carbon storage tank (1), the output end of the driving motor (31) extends into the carbon storage tank (1) and is fixedly installed with the rotating shaft (32), and the spiral plate (33) is fixedly sleeved on the rotating shaft (32).

3. The carbon source supplementing device for the sewage treatment plant according to any one of claims 1 or 2, wherein a stirring mechanism (8) for improving the mixing degree of the sewage and the carbon dust is installed in the mixing tank (2), the stirring mechanism (8) comprises a rotating rod (81) and a stirring rod (82), the rotating rod (81) extends into the carbon storage tank (1) and is fixedly connected with the bottom of the rotating shaft (32), and a plurality of uniformly distributed stirring rods (82) are fixedly installed on the rotating rod (81).

4. The carbon source supplementing device for the sewage treatment plant according to claim 2, wherein the inner ring wall of the spiral plate (33) is fixedly connected with the shaft wall of the rotating shaft (32), and the distance between the outer plate wall of the spiral plate (33) and the inner tank wall of the carbon storage tank (1) is 2-5 mm.

5. The carbon source supplementing device for the sewage treatment plant according to claim 1, wherein a water conduit (6) is fixedly installed at a water inlet of the drainage pump (5), and the water conduit (6) extends into the sewage tank.

6. The carbon source supplementing device of the sewage treatment plant according to claim 1, wherein a feeding hopper (9b) is fixedly installed at the top of the carbon storage tank (1), and a discharging pipe (9c) is fixedly installed at the bottom of the mixing tank (2).