CN212076643U - A deironing filtering pond for sewage treatment - Google Patents

Abstract

The utility model discloses a deironing filtering pond for sewage treatment, including deironing pond body and install the supporting leg in four sides in deironing pond body bottom, one side of deironing pond body is equipped with the wash port, and the built-in inner wall both ends that are equipped with water service pipe and water service pipe both ends mouth connection deironing pond body of deironing pond body, the position of the port that corresponds the water service pipe on the deironing pond body is equipped with the inlet opening. Through the exhaust hole that transversely evenly sets up, can fall into a plurality of positions with air in the gas collection lid and discharge into in the water service pipe, with the sewage contact in the water service pipe, at last through the spout blowout together, consequently, can be when sewage rushes into the deironing pond body, make sewage high efficiency receive gas, in the short time, sewage receives oxygen content many, it is big to ferrous ion oxidation volume in the sewage, in the short time that exists among the prior art has been solved, whole sewage receives oxygen content not many, the problem that ferrous ion oxidation volume is not high in the sewage.

Description

A deironing filtering pond for sewage treatment

Technical Field

The utility model belongs to the technical field of sewage treatment, concretely relates to deironing filtering pond for sewage treatment.

Background

Some industrial wastewater from manufacturing industry contains more iron ions, and is discharged into river water without iron removal process, which causes serious damage to river water ecosystem, so that iron removal treatment of the industrial wastewater is required.

The iron removing filter tank is most applied in the sewage iron removing technology, a filter layer paved with quartz sand particles with the particle size of one millimeter is filled in the iron removing tank, sewage is pumped into the iron removing filter tank from the sewage collecting and discharging tank through a booster pump, quicklime powder is scattered in the sewage collecting and discharging tank until the PH of the sewage is greater than 7.0, iron in the sewage is dissociated in the sewage in the form of ferrous ions at the moment, the ferrous ions are easily oxidized by oxygen in the air to form ferric ions, the ferric ions can be rapidly combined with hydroxide ions of the quicklime to generate ferric hydroxide, the ferric hydroxide is clustered to form particles when being generated, the density of the particles is far greater than that of the sewage and is directly settled on the filter layer, when the iron removing filter tank discharges water, the ferric hydroxide particles are filtered on the filter layer, at present, an aerator is mostly connected with a shower nozzle to be inserted into the sewage, and the aerator runs, can discharge the air to the sewage in the deironing filtering pond fast, the weak point that exists has: by adopting the mode of firstly draining water and then aerating, the shower nozzle of the aerator has limited area for introducing air into the sewage in the iron removal filter, so that the whole sewage is not greatly polluted by oxygen in a short time, and the oxidation amount of ferrous ions in the sewage is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deironing filtering pond for sewage treatment to there is the short time in solving among the prior art, whole sewage receives oxygen volume not much, to the not high problem of ferrous ion oxidation volume in the sewage.

In order to achieve the above object, the utility model provides a following technical scheme: an iron removing filter tank for sewage treatment comprises an iron removing tank body and supporting legs arranged on four sides of the bottom of the iron removing tank body, one side of the iron removing pool body is provided with a drain hole, a water pipe is arranged in the iron removing pool body, two ports of the water pipe are connected with two ends of the inner wall of the iron removing pool body, one side of the water pipe is evenly provided with nozzles along the transverse direction, a water inlet hole is arranged on the iron removing pool body and at the position corresponding to one port of the water pipe, the water inlet port is provided with a booster pump, the water suction port of the booster pump is provided with a connecting pipe, the connecting pipe is provided with a second hose, the other side of the water pipe is provided with an air collecting cover, the position of the water pipe corresponding to the air collecting cover is transversely and uniformly provided with vent holes, the gas collection is covered and is equipped with the inlet port, the intake pipe has been installed to the port department of inlet port, the aeration machine has been installed to a port of intake pipe.

Preferably, an isolation net cage is arranged in the iron removing pool body, a filter layer is arranged in the isolation net cage, the isolation net cage is of a square net cage structure, and the diameter of a mesh is not more than one millimeter.

Preferably, a pressing frame is arranged on the upper side of the filter layer in the isolation net cage, the pressing frame is of a square frame structure, an isolation screen plate is arranged in the pressing frame and is of a square screen plate structure, and the diameter of meshes of the isolation screen plate is not larger than one millimeter.

Preferably, a butterfly valve is arranged at the port of the drain hole, a drain pipe is arranged at the drain port of the butterfly valve, and a first hose is arranged on the drain pipe.

Preferably, the spout is of a round hole structure, and the diameter of the inner wall of the spout is not more than three millimeters.

Preferably, the exhaust hole is of a circular hole structure, and the diameter of the inner wall of the exhaust hole is not less than five millimeters.

Compared with the prior art, the beneficial effects of the utility model are that:

first, through the exhaust hole of horizontal even setting, can fall into a plurality of positions with air in the gas collection lid and discharge in the water service pipe, with the sewage contact in the water service pipe, at last through the spout blowout together, consequently, can be when sewage rushes into the deironing pond body, make sewage high efficiency receive gas, in the short time, sewage receives oxygen content many, it is big to ferrous ion oxidation volume in the sewage, the short time of existence among the prior art has been solved, whole sewage receives oxygen content not many, the problem that ferrous ion oxidation volume is not high in the sewage.

And secondly, sewage discharged downwards can be discharged onto the filter layer through meshes of the isolation screen plate, and when the sewage passes through the filter layer, the meshes of the isolation net box can prevent quartz sand particles in the filter layer from penetrating out and can discharge the sewage downwards.

Thirdly, the arrangement of the isolation screen plate can prevent particles in the filter layer from scattering upwards when sewage is sprayed onto the filter layer, and the sewage in the lower row can be discharged onto the filter layer through meshes of the isolation screen plate.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a partially cut-away front view of the present invention;

fig. 3 is a right-side schematic view of the present invention;

fig. 4 is a schematic cross-sectional view of the connection between the water pipe and the gas collection cover of the present invention.

In the figure: 1 deironing pond body, 2 supporting legs, 3 isolation net cages, 4 filter layers, 5 pressure frames, 6 isolation net plates, 7 drain holes, 8 butterfly valves, 9 drain pipes, 10 first hoses, 11 water service pipes, 12 spouts, 13 water inlet holes, 14 booster pumps, 15 connecting pipes, 16 second hoses, 17 air collecting covers, 18 exhaust holes, 19 air inlet holes, 20 air inlet pipes and 21 aerators.

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, 2 and 3, an iron removing filter tank for sewage treatment comprises an iron removing tank body 1 and supporting legs 2 arranged on four sides of the bottom of the iron removing tank body 1, wherein the iron removing tank body 1 is of a square tank body structure and made of stainless steel, the supporting legs 2 are of a cylindrical structure and four in number, the iron removing tank body 1 and the supporting legs 2 are made of a fusion-cast integral piece, an isolation net cage 3 is arranged in the iron removing tank body 1, the outer wall of the isolation net cage 3 is in sliding contact with the inner wall of the iron removing tank body 1, a filter layer 4 is arranged in the isolation net cage 3, the filter layer 4 is formed by laying quartz sand particles with one millimeter of particle size, the thickness of the filter layer 4 is 35 centimeters, the filter layer 4 is used for filtering iron hydroxide in sewage, the isolation net cage 3 is of a square net cage structure, the diameter of the meshes of the isolation net cage 3 is one millimeter, and, and can sewage downwards, the isolating net cage 3, the upper side of the filter layer 4 is provided with a pressing frame 5, the outer wall of the pressing frame 5 is in sliding contact with the inner wall of the isolating net cage 3, the pressing frame 5 is a square frame structure, the inner wall of the pressing frame 5 is welded and connected with the outer edge of the isolating screen 6, the isolating screen 6 is a square screen structure, the diameter of the mesh of the isolating screen 6 is one millimeter, the isolating screen 6 is arranged to prevent particles in the filter layer 4 from scattering upwards when the sewage is sprayed on the filter layer 4, the sewage discharged downwards can be discharged onto the filter layer 4 through the mesh of the isolating screen 6, the lower side of the right end of the iron removing pool body 1 is provided with a drain hole 7, the drain hole 7 is a circular hole structure, the port of the drain hole 7 is connected with the water inlet port of the butterfly valve 8 in a seamless welding manner, the model number of the butterfly valve 8 is D71X-16, the drain port of the butterfly valve, the drain pipe 9 is a circular pipe structure, the first hose 10 is sleeved on the drain pipe 9 in an interference mode, and the length of the first hose 10 meets the requirement that the other end of the first hose is inserted into the reservoir.

Referring to fig. 1, 2 and 4, a water pipe 11 is installed in the deironing pool body 1, the left and right ports of the water pipe 11 are respectively welded at the left and right ends of the inner wall of the deironing pool body 1, nozzles 12 are evenly arranged at the lower side of the water pipe 11 along the transverse direction, the nozzles 12 are in a circular hole structure, the diameter of the inner wall of each nozzle 12 is three millimeters, the distance between every two adjacent nozzles 12 in the transverse direction is 2 centimeters, a water inlet hole 13 is arranged on the deironing pool body 1 and corresponds to the left port of the water pipe 11, the water inlet hole 13 is in a circular hole structure, the port of the water inlet hole 13 is in seamless welding connection with the water outlet of the booster pump 14, the model of the booster pump 14 is RGB15-15, the booster pump is provided with a power plug wire, a power plug of the booster pump 14 is connected with a power socket, so that the booster pump 14 operates, water is sucked from the sewage collecting and discharging, the second hose 16 is sleeved on the connecting pipe 15 in an interference manner, and the length of the second hose 16 is designed to meet the requirement that the other end of the second hose is inserted into the sewage collecting and discharging tank.

Referring to fig. 1, 2, 3 and 4, the upper side of the water pipe 11 is welded and connected with the lower port of the air collecting cover 17 in a seamless manner, the air collecting cover 17 is in a square strip cover structure, the positions of the water pipe 11 and the air collecting cover 17 are uniformly provided with air exhaust holes 18 along the transverse direction, the air exhaust holes 18 are in a circular hole structure, the inner wall diameter of the air exhaust holes 18 is five millimeters, air in the air collecting cover 17 can be divided into a plurality of positions through the air exhaust holes 18 which are uniformly arranged in the transverse direction and exhausted into the water pipe 11 to be contacted with sewage in the water pipe 11, and finally the air is ejected out through the nozzle 12, the middle part of the upper side of the air collecting cover 17 is provided with an air inlet hole 19, the air inlet hole 19 is in a circular hole structure, the upper port of the air inlet hole 19 is welded and connected with the lower port of the air inlet pipe 20 in a seamless manner, the air inlet pipe 20 is in a circular pipe structure, the power plug of the aerator 21 can be connected with a power socket, the aerator 21 operates, and the aerator 21 can suck air from the upper air suction part and then discharge the air into the air collection cover 17 through the air inlet pipe 20.

The power plug of the aerator 21 is connected with a power socket, the aerator 21 operates, the aerator 21 can suck air from an upper air suction part and then discharge the air into the air collection cover 17 through the air inlet pipe 20, then, the power plug of the booster pump 14 is connected with the power socket so that the booster pump 14 operates, water is sucked from the sewage collection and drainage tank through the second hose 16 and then discharged into the water through pipe 11, air in the air collection cover 17 can be divided into a plurality of positions through the air exhaust holes 18 which are uniformly arranged in the transverse direction and discharged into the water through pipe 11 to be contacted with sewage in the water through pipe 11, and finally the air is sprayed out through the nozzle 12, so that the sewage can be efficiently aerated when rushing into the iron removal tank body 1, the sewage has a large oxygen content and a large oxidation amount of ferrous ions in the sewage in a short time, when the water level in the iron removal tank body 1 reaches a certain height, the booster pump 14 is closed, and the aerator 21 is closed, after a period of rest, open butterfly valve 8, sewage infiltration, keep apart the setting of otter board 6, can prevent that the interior granule of filter layer 4 from upwards scattering when sewage spouts to filter layer 4, and through the mesh of keeping apart otter board 6, can arrange sewage of lower row to filter layer 4 on, when sewage passes through filter layer 4, can filter the iron hydroxide granule in the sewage on filter layer 4, and sewage continues the infiltration, keep apart the mesh of box with a net 3, can prevent that the quartz sand granule in the filter layer 4 from permeating, and can discharge sewage downwards, at last through first hose 10, arrange the sewage after the deironing in the cistern.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a deironing filtering pond for sewage treatment, includes deironing pond body (1) and installs supporting leg (2) of four sides in deironing pond body (1) bottom, its characterized in that: one side of the iron removal tank body (1) is provided with a drain hole (7), the iron removal tank body (1) is internally provided with a water through pipe (11) and two end ports of the water through pipe (11) are connected with two ends of the inner wall of the iron removal tank body (1), one side of the water through pipe (11) is transversely and uniformly provided with a nozzle (12), a water inlet hole (13) is arranged on the iron removal tank body (1) and corresponds to one end port of the water through pipe (11), a booster pump (14) is arranged at the port part of the water inlet hole (13), a connecting pipe (15) is arranged at the water absorbing port of the booster pump (14), a second hose (16) is arranged on the connecting pipe (15), an air collecting cover (17) is arranged on the other side of the water through pipe (11), exhaust holes (18) are transversely and uniformly arranged on the position, corresponding to the air collecting cover (17), and an air inlet hole (19) is arranged on the air collecting cover (, an air inlet pipe (20) is arranged at the port of the air inlet hole (19), and an aerator (21) is arranged at one port of the air inlet pipe (20).

2. The iron removal filter tank for sewage treatment according to claim 1, wherein: an isolation net cage (3) is arranged in the iron removing pool body (1), a filter layer (4) is arranged in the isolation net cage (3), the isolation net cage (3) is of a square net cage structure, and the diameter of a mesh is not more than one millimeter.

3. The iron removal filter tank for sewage treatment according to claim 2, wherein: the isolation net cage (3) is internally provided with an isolation screen plate (6), the isolation screen plate (6) is of a square screen plate structure, and the diameter of the mesh of the isolation screen plate (6) is not more than one millimeter.

4. The iron removal filter tank for sewage treatment according to claim 1, wherein: butterfly valve (8) have been installed to the port department of wash port (7), drain pipe (9) have been installed to butterfly valve (8) drainage port, and drain pipe (9) facial make-up is equipped with first hose (10).

5. The iron removal filter tank for sewage treatment according to claim 1, wherein: the spout (12) is of a round hole structure, and the diameter of the inner wall of the spout (12) is not more than three millimeters.

6. The iron removal filter tank for sewage treatment according to claim 1, wherein: the exhaust hole (18) is of a circular hole structure, and the diameter of the inner wall of the exhaust hole (18) is not less than five millimeters.

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