KR102121070B1 - Contact oxidation wastewater treatment apparatuse capable of squeezing separation - Google Patents

Abstract

The present invention relates to a catalytic oxidation-type wastewater treatment device capable of crushing and desorption, and more particularly, having an aeration unit and a filter medium for supplying oxygen to react with the incoming wastewater, and passing through the treated water treated by the aeration unit. Microorganisms are attached, and a contact oxidation unit for processing sludge by the attached microorganisms, a precipitation unit for repelling sludge contained in the treated water treated in the contact oxidation unit, and a contact oxidation unit are provided to compress the filter medium. As it does, it includes a pressing means for dissociating and discharging the attached sludge and microorganisms.
According to the present invention as described above, the high-concentration wastewater is treated by supplying oxygen, but the sludge is treated by growing the contact microorganism using a filter medium before sedimentation and separation of the sludge, but the filter medium is prevented from being excessively attached to microorganisms. By pressing and releasing, it is possible to maintain an appropriate amount of the attached microbial concentration, thereby improving the treatment efficiency, as well as being excellent in response to shock loading and increasing the life of the filter medium, thereby extending the life.

Description

Contact oxidation wastewater treatment apparatuse capable of squeezing separation}

The present invention relates to a wastewater treatment apparatus, and more specifically, to treat wastewater by supplying oxygen, to treat high-concentration wastewater using suspended microorganisms and contact microorganisms, and pressurize and release microorganisms that are excessively attached to the media. Therefore, it is possible to maintain the proper amount of attached microbial concentration to improve the treatment efficiency, as well as to respond to shock loading (Shock Loading), and to increase the useful life of the filter material. It relates to a processing device.

In general, various wastewater treatment methods such as domestic wastewater, livestock wastewater, and industrial wastewater include an activated sludge method using microorganisms, an anaerobic digestion method, and a physical and chemical treatment method, and an activated sludge method using microorganisms is popular.

Conventional wastewater treatment apparatus using microorganisms, as developed in the registration room 20-0315908, is provided with an air lift aeration pipe in the aeration tank, and a wire mesh in which a number of media is filled randomly in the middle.

The wastewater is reacted while passing through a number of media, and in this process, sludge including microbial mass is generated and located, and is configured to eject sludge by blowing air by an air lift explosive tube.

However, it is difficult to uniformly blow out air between the filter media provided in the wire mesh, and there is a problem in that the blown air is not supplied to the entire filter media, so that the sludge is partially eliminated.

In order to solve this, although the air blowing pressure is increased, the sludge of the part where the air is blown off is easily removed, but the sludge of the other parts is still not removed, and there is a problem in that the filter medium is damaged by high pressure air.

Accordingly, as well as improving the wastewater treatment efficiency, as the sludge of the entire filter medium is easily removed, the treatment efficiency can be further improved and the filter media can be easily cleaned to develop a technology that can increase the service life. This situation is urgently required.

Accordingly, the present invention was devised to solve the problems as described above, and has an aeration unit and a filter medium for supplying oxygen to the inflowing wastewater to react, and is attached while the treated water primarily treated by the aeration unit passes. A contact oxidation unit for filtering sludge by microorganisms, a precipitation unit for replenishing sludge contained in the treated water treated in the contact oxidation unit, and provided in the contact oxidation unit to compress the filter medium, thereby Sludge, crushing means for separating and discharging absorbed treated water, and supplying oxygen to treat high-concentration wastewater, but sludge is treated by growing contact microorganisms using a filter medium before sedimentation and separation of sludge. To prevent excessive adhesion, it is possible to maintain the proper concentration of the attached microorganisms by squeezing and releasing the filter medium, thereby improving the processing efficiency, as well as providing excellent response to shock loading (Shock Loading) and increasing the period of use of the filter medium. It is an object to provide a contact oxidation-type wastewater treatment device capable of press-desorption that can extend the lifespan.

The present invention for achieving the above object, has an aeration portion, a filter medium for supplying oxygen to react to the incoming wastewater, the microorganisms are attached as the treated water treated by the aeration portion passes, and the sludge by the attached microorganisms A contact oxidation part to be treated, a precipitation part for replenishing sludge contained in the treated water treated in the contact oxidation part, and provided in the contact oxidation part to compress the filter material, thereby detaching and discharging the attached sludge and microorganisms It includes a crimping means, to make.

Preferably, the aeration portion includes an aeration tank having a first reaction space portion therein, and an oxygen supply portion for supplying oxygen to the first reaction space portion of the aeration tank.

And the oxygen supply unit, the oxygen supply pipe provided at the lower end of the first reaction space, the oxygen supply pump for supplying oxygen to the oxygen supply pipe, and the plurality of oxygen supply pipe is provided to inject the oxygen supplied For oxygen nozzles.

In addition, the contact oxidation unit, an oxidation tank having a second reaction space portion therein, a first inlet for supplying the treated water primarily treated in the aeration tank to the lower end of the second reaction space portion, the second reaction space portion It is provided to pass through the treated water introduced through the first inlet, a medium for treating sludge as the microorganisms grow by attaching, and the treated water passing through the filter medium through the upper end of the second reaction space And a first discharge part for moving to the precipitation part.

And the first inlet, the first inlet pipe provided in the lower end of the second reaction space, the first inlet pump for supplying the treated water of the first reaction space to the first inlet pipe, and the first inlet It includes a first inlet nozzle, which is provided in a plurality of pipes for spraying the supplied water.

In addition, the filter medium is a plurality of fiber yarns, and each fiber yarn is formed by twisting two or more fiber yarns.

And the crimping means, the crimping base frame provided in the second reaction space of the oxidation tank, has a plurality of upper grating holes, is provided on the upper end of the crimping base frame, the upper grating is installed on the upper end of the plurality of media, According to pressing a plurality of media installed by moving one or more of the lower grating, the upper grating and the lower grating provided on the lower end of the crimp base frame so as to have a plurality of lower grating holes, and the lower end of the plurality of media is installed , Compressed portion for dissociating microorganisms and sludge contained in the filter medium, and a compression discharge unit for discharging microorganisms and sludge compressed by the pressing portion provided below the lower grating.

In addition, the crimping portion, a crimping fixing frame provided to be spaced apart a predetermined distance to the upper side of the crimping base frame, a plurality of crimping support for fixing the crimping fixing frame to the crimping base frame, a fixing hole formed with threads on the inner circumferential surface is formed to the A crimping block provided on a crimping fixing frame, a screw thread along an outer circumference, and positioned at a fixing hole of the crimping block, a crimping rotating rod having a lower end rotatable on the upper grating, and a crimping handle for rotating the crimping rotating rod , Contains.

In addition, the crimping unit, a pair of crimping fixing frames provided to be spaced apart at regular intervals above the crimping base frame, a plurality of crimping supports for fixing each crimping fixing frame to the crimping base frame, and the pair of crimping fixing frames Provided to be rotatable between the two crimping rods provided to be parallel to one side and the other side of the upper grating, crimping rollers provided at each end of each crimping rod, and the same rotating roller, each lower portion of the lower portion It is fixed to the grating, each upper portion is a plurality of crimp wires for winding on each crimp roller, a crimp working rotating rod provided rotatably on any one of the crimp fixing frames, and each crimp working rotating rod and each crimp winding rod connected to each other And a crimping connection unit for transmitting rotational force, and a crimping handle for rotating the crimping operation rotating rod, and rotating the crimping handles in one direction to rotate the two crimping rotation rods in one direction so that each crimping wire is connected to a corresponding crimping roller. As the lower grating is moved upward, the filter material is compressed, and the crimping handle is rotated in the other direction to rotate the two crimping rotating rods in the other direction, releasing each crimping wire wound on the crimping failure to release the lower portion. The grating is moved downward.

In addition, the crimp discharge unit, a crimp discharge port provided on the bottom surface of the second reaction space portion below the lower grating, and a discharge guide for guiding the microorganisms and sludge detached from the filter medium to be moved to the crimp discharge port, .

In addition, a vibration unit capable of applying an impact to the discharge guide is further included.

In addition, the sedimentation unit, a sedimentation tank having a sedimentation space therein, a first sedimentation and discharge unit for discharging the treated water from which the sludge is precipitated in the sedimentation space unit, and discharged sludge from the treated water supplied to the sedimentation space unit It includes a second sedimentation discharge unit, for.

And a sludge circulation unit for circulating the sludge discharged from the precipitation unit to be supplied to the aeration unit, is further included.

In addition, the sludge circulation unit, one end is connected to the second settling discharge unit, the other end is a sludge circulation pipe located in the aeration unit, and a sludge circulation pump for circulating sludge discharged through the sludge circulation pipe, Includes.

And it further includes a pre-treatment means for pre-treating the wastewater flowing into the aeration tank.

In addition, the pre-treatment means, the first storage tank to which the wastewater flows and is first pre-treated, the second pre-treatment wastewater to the first pre-treatment in the first storage tank, and the second pre-treatment wastewater to the second storage tank. And a pre-treatment pump for supplying the aeration portion.

As described above, according to the contact oxidation-type wastewater treatment apparatus capable of decompression and compression according to the present invention, oxygen is supplied to treat high-concentration wastewater, but as the contact microorganisms are grown using a filter medium before sedimentation of the sludge, the sludge However, it is possible to maintain the proper concentration of the attached microorganisms by compressing and releasing the filter medium to prevent the microorganisms from being excessively attached, thereby improving the treatment efficiency and providing excellent response to shock loading. It is a very useful and effective invention that can increase the service life of the filter medium and prolong its life.

1 is a view showing a contact oxidation-type wastewater treatment apparatus according to the present invention,
2 is a view showing an aeration unit and a contact oxidation unit and a precipitation unit according to the present invention,
3 is a view showing a pressing means according to the present invention,
4 is a view showing another embodiment of the pressing means according to the present invention,
5 is a view showing a state in which the sludge circulation unit is further provided in the compressed wastewater treatment apparatus according to the present invention,
6 is a view showing a state in which the pre-treatment means is further provided in the compressed wastewater treatment apparatus according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. DETAILED DESCRIPTION The following detailed description, together with the accompanying drawings, is intended to describe exemplary embodiments of the present invention, and is not intended to represent the only embodiments in which the present invention may be practiced. The following detailed description includes specific details to provide a thorough understanding of the present invention. However, one of ordinary skill in the art to which the present invention pertains knows that the present invention may be practiced without these specific details.

In some cases, in order to avoid obscuring the concept of the present invention, well-known structures and devices may be omitted, or block diagrams centered on the core functions of each structure and device may be illustrated.

Throughout the specification, when a part “comprising or including” a certain component, it means that other components may be further included instead of excluding other components unless otherwise specified. do. In addition, the term "… part" described in the specification means a unit that processes at least one function or operation. In addition, "a (a or an)", "one (one)," "the (the)" and similar related terms in the context of describing the present invention (especially in the context of the following claims) are different herein. It may be used in a sense including both singular and plural unless indicated or clearly contradicted by context.

In describing embodiments of the present invention, when it is determined that a detailed description of known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. In addition, terms to be described later are terms defined in consideration of functions in an embodiment of the present invention, which may vary according to a user's or operator's intention or practice. Therefore, the definition should be made based on the contents throughout this specification.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a view showing a contact oxidation-type wastewater treatment apparatus according to the present invention, FIG. 2 is a view showing an aeration unit, a contact oxidation unit and a precipitation unit according to the present invention, and FIG. 3 is a crimping means according to the present invention. 4 is a view showing another embodiment of the crimping means according to the present invention, Figure 5 is a view showing a state in which the sludge circulation unit is further provided in the crimping type wastewater treatment apparatus according to the present invention, 6 is a view showing a state in which the pre-treatment means is further provided in the compressed wastewater treatment apparatus according to the present invention.

As shown in the figure, the contact oxidation-type wastewater treatment apparatus 10 capable of crushing and detachment is composed of an aeration part 100, a contact oxidation part 200, a sedimentation part 300, and a crimping means 400.

The aeration unit 100 is provided to react by supplying oxygen to the inflowing wastewater, and is firstly treated.

In addition, the contact oxidation unit 200 has a filter medium 230, and microbes are attached as the treated water processed by the aeration unit 100 passes, and sludge is processed by the attached microorganisms.

The sedimentation unit 300 is provided to replenish the sludge contained in the treated water secondaryly treated by the contact oxidation unit 200.

In addition, the crimping means 400 is provided in the contact oxidation unit 200, and as it presses the filter material 230, it is attached to detach excessively grown microorganisms and sludge.

In other words, the crimping means 400 is to adjust so that only a static amount of microorganisms is attached to the medium 230 to prevent the microorganisms from growing excessively and the treated water does not pass.

According to the contact oxidation-type wastewater treatment apparatus 10 capable of such decompression and treatment, high-concentration wastewater is treated, but microorganisms are attached to the filter medium 230 to provide a growth site, and as sludge is treated by the microorganisms, treatment efficiency Improves.

Here, as the filter medium 230 is compressed at regular intervals by the pressing means 400, the sludge can be maintained while the treated water is easily passed through excessive growth or detachment of attached microorganisms.

For this, the aeration unit 100 is composed of an aeration tank 110 and an oxygen supply unit 120, as shown in FIG. 2.

The aeration tank 110 has a first reaction space portion 112 formed therein, and the oxygen supply unit 120 is provided to supply oxygen to the first reaction space portion 112 of the aeration tank 110.

Here, the oxygen supply unit 120 is composed of an oxygen supply pipe 122, an oxygen supply pump 124 and an oxygen nozzle 126.

The oxygen supply pipe 122 is provided at the lower end of the first reaction space portion 112, and the oxygen supply pump 124 is provided to supply oxygen to the oxygen supply pipe 122.

Also, a plurality of oxygen nozzles 126 are provided in the oxygen supply pump 124 and are provided to inject oxygen.

Accordingly, since oxygen can be uniformly supplied to the entire first reaction space 112, the amount of dissolved oxygen can be increased to improve the primary treatment efficiency.

In addition, the contact oxidation unit 200 is composed of an oxidation tank 210, a first inlet unit 220, a filter medium 230, and a first discharge unit 240.

The oxidation tank 210 is provided with a second reaction space portion 212 therein, and the first inlet portion 220 is used to process the primary treated water in the aeration tank 110 at the lower end of the second reaction space portion 212. It is equipped to supply.

The first inlet portion 220 is a first inlet pipe 222, is provided at the lower end of the aeration tank 110 and the oxidation tank 210 is provided so that the treated water can be moved by the water pressure of the stored wastewater.

The first inlet pipe 222 is provided so that one end is in communication with the lower end of the first reaction space part 112 of the aeration tank 110, and the other end is provided at the lower end of the second reaction space part 212.

In addition, the first inlet part 220 is further provided with a first inlet pump 224 and a first inlet nozzle 226.

The first inlet pump 224 is provided to supply the treated water of the first reaction space 112 to the first inlet pipe 222.

In addition, a plurality of first inlet nozzles 226 are provided in the first inlet pipe 222 to inject the supplied process water.

However, the first inlet pump 224 is capable of adjusting the supply amount of the treated water, and as the valve is further provided and operated in conjunction with the first inlet pipe 222, whether to supply the treated water or not, the supply amount can be adjusted. .

In addition, the filter medium 230 is provided in the second reaction space portion 212 to pass the treated water introduced through the first inlet 220, but is provided to attach the sludge and absorb the treated water at the same time.

The filter medium 230 is a plurality of fiber yarns, and each fiber yarn is formed by twisting two or more fiber yarns.

The filter material is composed of a core material formed in a lengthwise direction and a plurality of wire materials woven along the outer periphery of the core material in a ring shape.

Of course, it is natural that this fiber yarn may be formed by twisting a plurality of yarns.

In addition, the first discharge unit 240 is provided to move the secondly treated water passing through the filter medium 230 to the precipitation unit 300 through the upper end of the second reaction space unit 212.

In addition, as shown in FIG. 3, the crimping means 400 includes a crimping base frame 410, an upper grating 420, a lower grating 430, a crimping portion 440, and a crimping discharge portion 450.

The compression base frame 410 is provided in the second reaction space portion 212 of the oxidation tank 210.

And the upper grating 420 has a plurality of upper grating holes 422, is provided on the upper end of the crimp base frame 410, the upper end of the plurality of media 230 is installed.

The lower grating 430 has a plurality of lower grating holes 432 and is provided at the lower end of the compression base frame 410 so that the lower ends of the plurality of media 230 are installed.

Here, the upper grating 420 and the lower grating 430 may be a mesh.

In addition, as the pressing unit 440 compresses a plurality of media 230 installed by moving one or more of the upper grating 420 and the lower grating 430, microorganisms and sludge attached to the media 230 are removed. It is provided for discharging.

The compression discharge unit 450 is provided below the lower grating 430 and is provided to discharge microorganisms and sludge detached by the compression unit 440.

Here, the crimp portion 440 of one embodiment is composed of a crimp fixing frame 441, a crimp support 442, a crimp block 443, a crimp rotating rod 444, and a crimp handle 445.

The compression fixing frame 441 is provided to be spaced apart at a predetermined interval above the compression base frame 410.

In addition, a plurality of crimping supports 442 are provided for fixing the crimping fixing frame 441 to the crimping base frame 410.

The crimping block 443 is provided in the crimping fixing frame 441 by forming a fixing hole 443a in which threads are formed on the inner circumferential surface.

In addition, the crimping rotating rod 444 has a thread along the outer circumference, and is located in the fixing hole 443a of the crimping block 443, and is provided so that the lower end portion is rotatable on the upper grating 420.

The crimping handle 445 is provided to rotate the crimping rotating rod 444.

When the crimping handle 445 is rotated in one direction to rotate the crimping rotating rod 444, as the rotating block 443 is rotated and moved downward, the upper grating 420 is moved downward to compress the filter media 230. Is done.

Conversely, when the pressing handle 445 is rotated in the other direction, the upper grating 420 is moved upwards to return the filter material 230 to the place where the treated water passes, thereby providing a place where microorganisms can grow, so as to grow and sludge. Will be processed.

On the other hand, as shown in Figure 4, the crimping portion 440' of another embodiment is a crimping fixing frame 441' and crimping support (442'), crimping winding rod (443'), crimping roller (444'), It is composed of a crimp wire 445', a crimp working rotating rod 446', a crimp connecting portion 447', and a crimp handle 448'.

The compression fixing frame 441 ′ is provided to be spaced apart at a predetermined interval above the compression base frame 410 in a pair.

In addition, a plurality of crimp supports 442' are provided to fix each crimp fixing frame 441' to the crimp base frame 410.

The compression winding rod 430 ′ is provided to be rotatable between a pair of compression fixing frames 441 ′, and two to be parallel to one side and the other side of the upper grating 420.

In addition, the crimping roller 444' is provided at each end of each crimp winding rod 443' to be rotated in the same manner, and two or more crimp winding rods 443' are provided.

Each lower end of the crimp wire 445' is fixed to the lower grating 430, and a plurality of upper ends are provided to wind each crimp roller 444'.

And the crimping operation rotating rod 446' is rotatably provided on any one of the crimping fixing frame 441'.

The crimp connecting portion 447' is provided to connect the crimp working rotating rod 446' and each crimp winding rod 443', respectively, to transmit rotational force.

Also, the crimping handle 448' is provided to rotate the crimping operation rotating rod 446'.

When the crimping handle 448' is rotated in one direction, the two crimping rotating rods 443' are rotated in one direction, so that each crimping wire 445' is wound on a corresponding crimping roller 444' to lower the lower grating 430. According to the movement, press the media.

Conversely, when the crimping handle 448' is rotated in the other direction, the two crimping rotating rods 443' are rotated in the other direction to loosen each crimping wire 445' wound on the crimping failure 444' to lower the grating. 430 is moved downward.

Accordingly, the compressed filter material 230 is restored to its original shape, and as the treated water passes, it provides a place where microorganisms can grow, so as to grow as well as to treat sludge.

In addition, the crimp discharge unit 450 is composed of a crimp discharge port 452 and a discharge guide 454.

The compression discharge port 452 is provided on the bottom surface of the second reaction space portion 212 that is below the lower grating 430.

In addition, the discharge guide 454 is provided to guide microorganisms and sludge detached from the filter medium 230 to be moved to the compression discharge port 452.

This discharge guide 454 is installed in a slanted plate to guide microorganisms and sludge to the compression discharge port 452.

Here, the vibration guide 456 that can apply an impact to the discharge guide 454 is further provided so that the sludge can be moved better.

The vibrating unit 456 is configured to generate or strike vibration at regular intervals.

And the sedimentation part 300 is composed of a sedimentation tank 310, a first sedimentation discharge part 320 and a second sedimentation discharge part 330.

The sedimentation tank 310 has a sedimentation space part 312 formed therein, and the first sedimentation discharge part 320 is provided to discharge the treated water in which the sludge is precipitated in the sedimentation space part 312.

In addition, the second sedimentation discharge unit 330 is provided to discharge the sludge precipitated from the treated water supplied to the sedimentation space unit 312.

And, as shown in FIG. 5, a sludge circulation unit 500 for circulating the sludge discharged from the precipitation unit 300 to be supplied to the aeration unit 100 is further included.

The sludge circulation section 500 is composed of a sludge circulation pipe 510 and a sludge circulation pump 520.

One end of the sludge circulation pipe 510 is connected to the second sedimentation discharge part 330, and the other end is located in the aeration part 100.

In addition, the sludge circulation pump 520 is provided to circulate the sludge discharged through the sludge circulation pipe 510.

Here, the sludge circulation unit 500 is to be able to circulate the microorganisms and sludge discharged by the pressing means 400 to the aeration unit 100, the second sludge circulation pump 530 is further provided with microorganisms and sludge Can be transferred.

At this time, it is natural that the treated water is included in the sludge or microorganisms and sludge discharged from each component.

And, as shown in Figure 6, it further includes a pre-treatment means 600 for pre-treating the wastewater flowing into the aeration tank (100).

This pre-treatment means 600 is composed of a first storage tank 610, a second storage tank 620 and a pre-treatment pump 630.

The first storage tank 610 is the first pre-treatment wastewater is introduced, the second storage tank 620 is the first pre-treatment wastewater in the first storage tank 610 is secondary pre-treatment.

In addition, the pre-treatment pump 630 is provided to supply the second pre-treated wastewater in the second storage tank 620 to the aeration unit 100.

After the waste water is pre-treated by the pre-treatment means 600, it is possible to further improve the treatment efficiency of the waste water as it enters the aeration unit 100.

10: crimping wastewater treatment device 100: aeration section
200: contact oxidation part 300: precipitation part
400, 400': crimping means 500: sludge circulation part
600: pre-treatment means

Claims (10)

An aeration unit for reacting by supplying oxygen to the influent wastewater;
A contact oxidation unit having a filter medium, to which microorganisms are attached while the treated water processed by the aeration unit passes, and to treat sludge by the attached microorganisms;
A sedimentation unit for replenishing the sludge contained in the treated water treated by the contact oxidation unit; And
Included in the contact oxidizing unit is provided with a crimping medium, the pressing means for desorbing and discharging the attached sludge and microorganisms;
The aeration portion,
An aeration tank having a first reaction space portion therein; And
It includes; oxygen supply unit for supplying oxygen to the first reaction space of the aeration tank,
The contact oxidation unit,
An oxidation tank having a second reaction space portion therein;
A first inlet for supplying the treated water primarily treated in the aeration tank to the lower end of the second reaction space;
It is provided in the second reaction space portion to pass through the treated water flowing through the first inlet, a medium for treating sludge as the microorganisms grow by attaching; And
It includes; a first discharge unit for moving the treated water passing through the filter medium to the precipitation unit through the upper end of the second reaction space;
The crimping means,
A compression base frame provided in the second reaction space portion of the oxidation tank;
An upper grating having a plurality of upper grating holes and provided at an upper end of the crimp base frame, wherein the upper ends of the plurality of media are installed;
A lower grating having a plurality of lower grating holes and provided at the lower end of the crimp base frame such that the plurality of media lower ends are installed;
Compressing unit for detaching the microorganisms and sludge contained in the filter medium by pressing a plurality of filter media installed by moving at least one of the upper and lower grating; And
It is provided on the lower side of the lower grating is a contact and oxidation-type wastewater treatment device comprising a; compression and discharge unit for discharging microorganisms and sludge compressed by the compression unit. delete delete delete ◈ Claim 5 was abandoned when payment of the set registration fee was made.◈ According to claim 1, wherein the pressing portion,
A compression fixing frame provided to be spaced apart at a predetermined interval above the compression base frame;
A plurality of crimp supports for fixing the crimp fixing frame to the crimp base frame;
A compression block formed with a screw thread formed on an inner circumferential surface and provided in the compression fixing frame;
A crimping rotating rod having a thread along an outer circumference, and positioned at a fixing hole of the crimping block, wherein a lower end portion is rotatably provided on the upper grating; And
A contact oxidation-type wastewater treatment device capable of crushing and detachment comprising a crimping handle for rotating the crimping rotating rod. ◈ Claim 6 was abandoned when payment of the setup registration fee was made.◈ According to claim 1, wherein the pressing portion,
A pair of crimp fixing frames provided to be spaced apart at regular intervals above the crimp base frame;
A plurality of crimp supports for fixing each crimp frame to a crimp base frame;
Two crimp winding rods provided to be rotatable between the pair of crimp fixing frames and provided to be parallel to one side and the other side of the upper grating;
A compression roller provided at each end of each compression winding rod and rotated identically;
Each lower end is fixed to the lower grating, and each upper end includes a plurality of crimp wires for winding each of the crimp rollers;
A pressing operation rotating rod rotatably provided on any one of the pressing fixing frames;
A crimping connecting portion for transmitting rotational force by connecting the crimping operation rotating rod and each crimping winding rod; And
It includes; a crimping handle for rotating the crimping operation rotating rod;
By rotating the crimping handle in one direction, the two crimping rotating rods are rotated in one direction, so that each crimping wire is wound on a corresponding crimping roller to move the lower grating upwards, thereby crimping the media.
A contact oxidation type capable of crushing and detachment by rotating the crimping handle in the other direction to rotate the two crimping rotating rods in the other direction to release each crimping wire wound on the crimping roller and move the lower grating downward. Wastewater treatment device. ◈ Claim 7 was abandoned when payment of the set registration fee was made.◈ According to claim 1, The crimp discharge unit,
A compression outlet provided on a bottom surface of the second reaction space portion below the lower grating; And
Containing oxidized catalytic oxidation wastewater treatment apparatus comprising; a discharge guide for guiding the microorganisms and sludge desorbed from the filter medium to be moved to the crimp discharge port. ◈ Claim 8 was abandoned when payment of the set registration fee was made.◈ According to claim 1, The precipitation unit,
A sedimentation tank having a sedimentation space portion therein;
A first sedimentation discharge unit for discharging the treated water in which the sludge is precipitated in the sedimentation space unit; And
It comprises a second sedimentation discharge unit for discharging the sludge precipitated from the treated water supplied to the sedimentation space; a contact oxidation-type wastewater treatment device capable of press release. ◈ Claim 9 was abandoned when payment of the set registration fee was made.◈ The method of claim 8,
Sludge circulation unit for circulating the sludge discharged from the sedimentation unit so as to be supplied to the aeration unit. ◈ Claim 10 was abandoned when payment of the set registration fee was made.◈ According to claim 1,
Pre-treatment means for pre-treating the wastewater flowing into the aeration unit; further comprising a contact oxidation-type wastewater treatment device capable of decompression.

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