KR101268064B1 - Device for sewage disposal using the improved hollow composite media - Google Patents

Abstract

PURPOSE: An advanced sewage treatment apparatus using a modified hollow complex carrier is provided to be convenient to manufacture due to a simple structure, to improve productivity due to shortened working hours, and to be capable of improving economic efficiency. CONSTITUTION: An advanced sewage treatment apparatus comprises a screen bath, an anaerobic bath, an anoxic bath, a contact oxidation bath, a settling bath, and a denitrification bath. The contact oxidation bath supplies air from an air diffuser to the sewage passed through the anoxic bath to oxidize organic compounds and denitrifies and dephosphates the residual nitrogen and phosphorous by using microorganisms. The contact oxidation bath comprises a carrier(142), a binding member(143), a supporting member, and a spacer member(145). Multiple through-holes are penetrated into the carrier and installed at a constant interval so that sewage circulates smoothly while microorganisms inhabit therein. The binding member is combined to any one through-hole among the multiple through-holes. The supporting member is installed on the bottom of the contact oxidation bath to support the binding member. The spacer member maintains the carrier combined to the binding member at a constant interval.

Description

Device for sewage disposal using the improved hollow composite media

The present invention relates to a sewage treatment for removing nitrogen and phosphorus contained in sewage of wastewater and wastewater, and more specifically, an organic material using a carrier provided with a large specific surface area so that microorganisms in a contact oxidation tank can be in large quantities. And a sewage altitude treatment apparatus using an improved hollow composite carrier which can remove residual nitrogen and phosphorus at the same time and smoothly maintain a smooth circulation of sewage to control the adhesion of microorganisms, thereby facilitating maintenance. will be.

Recently, due to population growth and industrial development, the types and generation of pollutants such as household wastewater, industrial wastewater, livestock wastewater, etc. have increased, and the water quality of the rivers is not only various organic pollutants but also nitrogen, phosphorus, etc. It is acting as a decisive factor that causes serious pollution by eutrophication.

The nutrients of nitrogen and phosphorus are essential nutrients to living organisms, but if they are excessively discharged without processing them, they cause water pollution due to eutrophication, causing severe odors and adversely affecting the self-cleaning of rivers. There was a problem of destroying the ecosystem.

In order to solve the above problems, in recent years, a biological removal method for removing nutrients by microorganisms has been used, and nitrogen contained in the inflow water is reduced by denitrifying microorganisms while being converted into nitrate nitrogen by aerobic nitrification microorganisms, and is then atmosphere. In addition to being released into the medium, the excess intake of phosphorus to remove the microorganism with increased phosphorus content in the sludge is removed.

However, the biological removal method, if the fluctuations in the concentration or flow rate of the influent is severe, nitrogen and phosphorus can not be treated stably, in order to solve this, the installation cost increases due to the expansion of the treatment facilities, not only economic efficiency is lowered, but also microorganisms There is a problem that is difficult to maintain because a certain amount of microorganisms are not maintained as the loss of frequent.

In addition, the water quality worsened due to the large amount of nitrogen and phosphorus, the treatment efficiency is reduced due to the long recovery period due to the microorganisms that do not proliferate quickly, and the cumbersome problem of securing a high concentration of microorganisms to increase the treatment efficiency there was.

In order to solve the above problems, the present applicant has registered a sewage altitude treatment apparatus and method using a hollow composite carrier as Korean Patent No. 10-0937482.

The registered patent removes contaminants contained in the sewage from the screen tank, dephosphorizes the phosphorus of the sewage supplied from the screen tank and the denitrification tank from the anaerobic tank, denitrates the nitrogen of the sewage passed through the anaerobic tank from the anaerobic tank, Denitrification and dephosphorization of the residual nitrogen and phosphorus in the sewage by the microorganism inhabiting the composite hollow carrier having a large specific surface area while oxidizing organic matter by supplying air from the acid pipe to the sewage passing through the oxygen-free tank, and contacting The sludge passed through the oxidizing tank is precipitated in the settling tank and discharges the supernatant separated from the sludge, and the nitrogen contained in the circulating sludge returned from the settling tank is denitrated from the denitrification.

However, the hollow composite carrier of the pre-registered patent is formed by connecting the first and second plates in a stepwise side to be connected to the top, bottom, left and right in succession, and then roll it to form a cylinder to form a space therein. As the first and second plates are stepped, the process of connecting to the top, bottom, left and right is complicated, which makes production difficult as well as the process of forming a cylinder by rolling it again.

In addition, since the first and second plates are closed in a cylinder without being located on the same line, there is a problem in that maintenance is difficult because microorganisms adhered to the hollow composite carrier do not fall easily because the circulation of sewage is not smooth due to the hollow composite carrier.

In addition, since the first and second plates are connected with ribs, the contact efficiency of the microorganisms is poor, and the microorganisms are not easily accumulated, thereby reducing the efficiency of the hollow composite carrier and reducing the reliability of the product by the user.

In view of the above-described conventional defects, the object of the present invention is to form a carrier through which a plurality of through-holes are formed in a plate shape, so that the structure is simple and the production time is short and the working time is shortened. An improved sewage treatment apparatus using an improved hollow composite carrier that can be increased.

In addition, another object of the present invention is to improve the efficiency of the carrier to facilitate the maintenance of the carrier, as well as to facilitate the maintenance of the carrier by smoothing the circulation of sewage so that the microorganisms do not adhere to the carrier to improve the efficiency of the carrier It is to provide a sewage altitude treatment apparatus using.

In addition, another object of the present invention, because the carrier in the contact oxidation tank always maintains a constant interval by the gap holding member, the sewage altitude using the improved hollow composite carrier that can increase the sewage treatment rate of the sewage and wastewater moved to the contact oxidation tank. In providing a processing apparatus.

The sewage altitude treatment apparatus using the improved hollow composite carrier of the present invention,

As a sewage altitude treatment device for treating nitrogen and phosphorus contained in sewage of wastewater,

A screen tank for removing the impurities contained in the sewage;

An anaerobic tank for dephosphorizing phosphorus of sewage supplied from the screen tank and the denitrification tank;

An oxygen-free tank for denitrifying nitrogen of the sewage returned from the sewage and the contact oxidation tank passing through the anaerobic tank;

A contact oxidation tank for denitrifying and dephosphorizing residual nitrogen and phosphorus in the sewage by microorganisms while supplying air from an acid pipe to the sewage passing through the anoxic tank and oxidizing organic matter;

A sedimentation tank for discharging the sludge precipitated through the contact oxidation tank and the supernatant separated from the sludge by sedimentation;

Containing a denitrification tank for denitrifying nitrogen contained in the sludge circulated while being returned from the settling tank,

The contact oxidation tank,

A carrier which is installed to be spaced apart at a predetermined interval by passing through a plurality of through-holes in the same line to facilitate the circulation of sewage while the microorganisms are inhabited;

A coupling member coupled to any one of the plurality of through holes;

A support member installed on the bottom surface of the contact oxidation tank to support the coupling member;
It characterized in that it comprises a spacing holding member coupled to the coupling member to maintain the carrier coupled to the coupling member at a predetermined interval.

According to the present invention, since a carrier having a plurality of through-holes is formed in a plate shape, the structure is simple and the production is simple, and the working time can be shortened to increase productivity, which can have an advantage of improving economic efficiency. will be.

In addition, according to the present invention, by smoothing the circulation of sewage so that the microorganisms are not fixed to the carrier, the maintenance of the carrier is easy and the accumulation of the microorganism is smooth, thereby improving the efficiency of the carrier so that the user can improve the reliability of the product. It can have the advantage of improving.

In addition, according to the present invention, since the carrier in the contact oxidation tank always maintains a constant interval by the gap maintaining member it can have the advantage of increasing the sewage treatment rate of the waste water, which is moved to the contact oxidation tank.

1 is a schematic configuration diagram of the present invention
2 is a perspective view of the present invention
Figure 3 is a cross-
Figure 4 is a perspective view of another embodiment of the present invention the spacer member
5 is an installation state diagram of the present invention

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. 1 is a schematic configuration diagram of the present invention, FIG. 2 is a perspective view of the present invention, and FIG. 3 is a cross-sectional view of the present invention.

The sewage altitude treatment apparatus using the improved hollow composite carrier of the present invention is a sewage altitude treatment apparatus 100 for treating nitrogen and phosphorus contained in sewage of sewage and wastewater, and a screen tank 110 for removing contaminants contained in the sewage. ) Is configured, the anaerobic tank 120 for dephosphorizing the phosphorus of the sewage supplied from the screen tank 110 and the denitrification tank 160 is configured, the sewage and contact oxidation tank 140 passed through the anaerobic tank 120 An anoxic tank 130 for denitrifying the nitrogen of the sewage returned from the gas is supplied, and denitrification of residual nitrogen and phosphorus in the sewage by microorganisms is performed by supplying air from an acid pipe to the sewage passing through the anoxic tank 130 and oxidizing organic matter. And a deoxidation contact oxidation tank 140, and a sedimentation tank 150 configured to discharge sludge precipitated through the contact oxidation tank 140 and supernatant water from which the sludge is sedimented and separated, and the sedimentation tank 150. )in It comprises a denitrification tank 160 for denitrifying nitrogen contained in the sludge circulating while being conveyed, the contact oxidation tank 140, a plurality of through-holes in the same line to facilitate the circulation of sewage while the microorganisms inhabit 142 'is provided with a carrier 142 is installed to be spaced apart by a predetermined interval, the coupling member 143 is coupled to any one of the through holes 142' of the plurality of through holes 142 'is provided, A support member 144 is provided on the bottom surface of the contact oxidation tank 140 to support the coupling member 143, and the coupling member 143 maintains the carrier 142 coupled to the coupling member 143 at a predetermined interval. It is provided to include a spacing member 145 coupled to 143, which will be described in more detail as follows.

The through hole 142 'is preferably formed in any one of a circular shape and a honeycomb shape.

delete

The gap maintaining member 145 is formed to penetrate the inside to accommodate the coupling member 143.

The spacing holding member 145 is provided by connecting at least two or more unit holding members 145 'to adjust the spacing of the carrier 142.

As shown in FIG. 4, the unit holding member 145 ′ includes a body 145a penetrating therein to accommodate the coupling member 143, and protrudes at one end of the body 145a. A protrusion 145b is provided, and includes a groove 145c recessed at the other end of the body 145a in the same line as the protrusion 145b.

The following describes the installation and operation of the present invention configured as described above.

First, as shown in Figure 5, when the sewage of the sewage, waste water containing various organic matter and flotation material flows into the screen tank 110 from the source, separating the contaminants contained in the sewage from the screen tank 110 After that, the sewage with a constant flow rate is supplied to the anaerobic tank 120.

Phosphorus contained in the sewage supplied to the anaerobic tank 120 is absorbed and precipitated by the microorganisms inside the anaerobic tank 120, which is a phosphorous while repeating the process of floating by the underwater agitator (S) in the anaerobic tank (120) After being dephosphorized, it is supplied to the anaerobic tank 130.

Nitrogen contained in the sewage supplied to the anoxic tank 130 is denitrified by nitrogen gas while being converted into an aerobic nitrogen compound, which is nitrogen while repeating the process of floating by the water agitator (S) in the anoxic tank 130. After the denitrification, it is supplied to the contact oxidation tank 140.

In addition, the sewage supplied to the contact oxidation tank 140 is mixed with air bubbles ejected from the diffuser 141, and oxygen of the air bubbles is mixed with the sewage to increase the dissolved oxygen in the sewage. It is possible to homogenize the concentration and the like.

By the air bubbles ejected from the diffuser 141, the sewage is circulated from the lower part to the upper part and the upper part to the lower part and the oxygen mixed in the circulating sewage is supplied to the carrier 142 while the carrier 142 is supplied. Oxygen is supplied to the microorganisms that live there.

At this time, the carrier 142, a plurality of through holes 142 'in the flat plate-like body through the same line, that is, straight through the flow of sewage, as well as through the fast flow of sewage through the hole (142') By repeating the process of leaving the microorganisms inhabited and proliferated in the controllable degree of microorganisms can be controlled to facilitate the maintenance.

Here, the through hole 142 ′ is formed in a circular shape and a honeycomb shape, in order to provide the maximum area to the habitat of the microorganism because the space can be maximized even though the perimeter is the same.

In addition, the coupling member 143 is coupled to any one of the plurality of through holes 142 ′ of the carrier 142, and the space keeping member 145 is coupled to the coupling member 143. By repeating the process, the carrier 142 maintains a constant interval by the interval of the interval maintaining member 145, in this state the support member 144 installed on the bottom surface of the contact member 143 contact oxidation tank 140 It can be attached to.

The interval maintaining member 145, at least two through the inside to accommodate the coupling member 143, or to adjust the installation interval of the carrier 142 while passing through the interior to accommodate the coupling member 143 The above unit holding member 145 'may be connected to each other.

The protrusion 145b protruding from one end of the body 145a of the unit holding member 145 'may be coupled to a groove of an adjacent unit holding member 145 ″ or may be closely attached to the carrier 142 of one side. Projections of the unit holding member 145 ″ adjacent to the groove 145 c recessed at the other end of the body 145 a may be coupled or closely adhered to the carrier 142 at the other side.

The body 145a may be formed at least about 30 to 100 cm, and may be formed to have a length of the body 145a smaller or larger than the gap according to the interval of the carrier 142. The protrusion 145b and the groove 145c may be formed. ) Is preferably at least one facing or radially formed.

In the above process, the protrusion 145b protruding from one end of the body 145a of the unit holding member 145 'is coupled to the groove of the unit holding member 145 "adjacent to one side, and the other end of the body 145a. The carrier 142 maintains a predetermined interval by the interval of the interval holding member 145 formed by coupling the projection of the unit holding member 145 "adjacent to the other side to the recessed groove 145c.

In this case, the oxygen mixed in the sewage is easily supplied to the carrier 142 by repeating the process of circulating sewage from the bottom to the top and again from the top to the bottom by the air bubbles ejected from the diffuser 141, thereby supporting the carrier 142. The microorganisms inhabiting the through hole 142 ') are allowed to multiply.

Nitrogen contained in the sewage is denitrated by nitrogen gas conversion by the biological reaction of the microorganisms inhabit the through-hole 142 ', some of which are returned to the oxygen-free tank 130 to repeat the denitrification process and the other part of the precipitation tank Is supplied to 150, the sludge of the sewage supplied to the sedimentation tank 150 is sedimented with the supernatant, the separated supernatant is disinfected and discharged through the sewer pipe.

In addition, a part of the sludge precipitated in the settling tank 150 is returned to the denitrification tank 160 by the conveying pump 161 to repeat the process of floating by the underwater agitator (S) of the denitrification tank 160, and The other part may be drawn at regular intervals to reduce the load of the settling tank 150, and by repeating the above process, while denitrifying and dephosphorization of nitrogen and phosphorus in the sewage by the optimum reaction for each microorganism characteristics of each tank and Residual nitrogen and phosphorus nutrients can be removed at the same time.

While the present invention has been described in connection with certain exemplary embodiments and drawings, it is to be understood that the phraseology and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, It must be interpreted in terms of meaning and concept. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only examples of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It is to be understood that equivalents and modifications are possible.

100: sewage treatment apparatus 110: screen tank
120: anaerobic tank 130: anaerobic tank
140: contact oxidation tank 141: diffuser
142: carrier 143: coupling member
144: support member 145: spacing member
150: sedimentation tank 160: denitrification tank

Claims (6)

As a sewage altitude treatment device for treating nitrogen and phosphorus contained in sewage of wastewater,
A screen tank for removing the impurities contained in the sewage;
An anaerobic tank for dephosphorizing phosphorus of sewage supplied from the screen tank and the denitrification tank;
An oxygen-free tank for denitrifying nitrogen of the sewage returned from the sewage and the contact oxidation tank passing through the anaerobic tank;
A contact oxidation tank for denitrifying and dephosphorizing residual nitrogen and phosphorus in the sewage by microorganisms while supplying air from an acid pipe to the sewage passing through the anoxic tank and oxidizing organic matter;
A sedimentation tank for discharging the sludge precipitated through the contact oxidation tank and the supernatant separated from the sludge by sedimentation;
Containing a denitrification tank for denitrifying nitrogen contained in the sludge circulated while being returned from the settling tank,
The contact oxidation tank,
A carrier which is installed to be spaced apart at a predetermined interval by passing through a plurality of through-holes in the same line to facilitate the circulation of sewage while the microorganisms inhabit;
A coupling member coupled to any one of the plurality of through holes;
A support member installed on the bottom surface of the contact oxidation tank to support the coupling member;
Sewerage altitude treatment apparatus using an improved hollow composite carrier characterized in that it comprises a spacing holding member coupled to the coupling member to maintain the carrier coupled to the coupling member at a predetermined interval.
The method according to claim 1,
The through-hole, sewage altitude treatment apparatus using an improved hollow composite carrier, characterized in that formed in any one of a circular and honeycomb shape.
delete The method according to claim 1, wherein the gap holding member,
Sewage treatment apparatus using an improved hollow composite carrier, characterized in that the interior is formed so as to penetrate the coupling member.
The method according to claim 1, wherein the gap holding member,
Sewage and altitude treatment apparatus using an improved hollow composite carrier, characterized in that provided by connecting at least two or more unit holding member to adjust the spacing of the carrier.
The method according to claim 5, wherein the unit holding member,
A body through which the interior penetrates to receive the coupling member;
A protrusion protruding from one side end of the body;
Sewerage altitude treatment apparatus using an improved hollow composite carrier characterized in that it comprises a groove that is concaved in the other end of the body in the same line as the projection.

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