KR102254287B1 - A device and an air diffuser exchanging method for exchanging the air diffuser without draining the waste water in the aerobic tank - Google Patents

Abstract

The present invention relates to a device and a method for replacing an air diffuser without emptying an aerobic tank. As for the air diffuser replacement device, downward rails are installed on both side wall surfaces in the aerobic tank, guide pipes coupled so as to be movable along the rails are installed so as to be movable along the rails, the guide pipes are installed on both sides of the air diffuser for oxygen supply, multiple auxiliary wires are fixed in the middle of the air diffuser and between the middle and both side ends of the air diffuser, and the air diffuser is lifted by a main wire after connection to the ends of the auxiliary wire. Using the air diffuser replacement device, a worker can lift the air diffuser without removing wastewater from the aerobic tank. As a result, cleaning and replacement can be facilitated.

Description

{A device and an air diffuser exchanging method for exchanging the air diffuser without draining the waste water in the aerobic tank}

The present invention relates to a diffuser replacement device for replacing a diffuser without emptying the exhalation tank and a method of replacing the diffuser, and more particularly, a plurality of rails connected to the upper portion of the exhaust tank are installed to prevent the location of the diffuser. The present invention relates to a diffuser replacement device for replacing a diffuser without emptying the aerobic tank, and a method for replacing the diffuser.

In general, sewage, wastewater and sewage discharged from homes are directly discharged to the river, and in order to prevent the river from being polluted, sewage, wastewater and sewage are introduced into the treatment system to purify and treat the sewage, wastewater and sewage, and then go to the river. By discharging, the river was prevented from being polluted.

The device for treating wastewater and sewage is separated into a sedimentation tank and an aerobic tank, and after the wastewater flows into the settling tank, it precipitates this material, and after introducing the wastewater into the aerobic tank, the aerobic tank in an aerobic state in which dissolved oxygen is present. In an aerobic state, microorganisms that treat various organic substances contained in wastewater and sewage were removed through step-by-step processes such as oxidation, decomposition, agglomeration, adsorption and precipitation.

Such a conventional sewage treatment plant requires high initial investment cost and is highly public, so research, development, and management are carried out led by the state. In a large-scale facility such as a sewage treatment plant, a diffuser for oxygen delivery is essential, and in this case, it is configured to inspect and replace the diffuser without interrupting the train or process of the aerobic tank.

Patent documents such as Korean Patent No. 0461491 and Korean Patent No. 0401442 are known as prior art documents that can be referenced in this regard.

Patent No. 0461491 is a yoke into which an air pipe is inserted; A leveling tube connected to the top of the yoke and pressing the yoke; End cap installed on the top of the leveling tube; A plurality of horizontal cables installed on the upper part of the aeration tank; It includes; a rope for fixing or releasing the yoke with a leveling tube. Accordingly, it is possible to replace or repair only the line in which the faulty diffuser is installed.

Registration Patent No. 0401442 is a guide post made of an H-beam; A plurality of guide plates installed in the vertical block pipe so that the diffuser block is slidable; A lifting means installed on the upper end of the guide post to wind up the wire connected to the diffuser block; A rotating means for rotating the lifted diffuser block; Etc. Thus, one worker can work comfortably.

The above-described Patent No. 0461491 is insufficient to reinforce the stability of the work of replacing a diffuser, and Patent Publication No. 0401442 has a problem in that it is insufficient to support the buoyancy of the diffuser as the aeration tank becomes larger.

As another prior art document for solving the above problems, the'method for replacing the diffuser of a sewage treatment plant' in Korean Patent Registration No. 10-1800762 (announced on November 27, 2017) is selected from a rod type, a membrane type, and a mixed type on the treatment tank. In a sewage treatment plant that regulates the vertical movement of the supply pipe by using ropes, support pipes, and hooks interposed between the cable and the supply pipe while accommodating the supply pipe equipped with a plurality of air supply pipes. A method comprising: (A) arranging a chain block and a work line on a treatment tank; (B) releasing the binding of the rope and the support pipe on the work ship while the air supply pipe is connected to the chain block; (C) raising the air supply pipe to the water surface to replace the air diffuser, and installing a weight for lowering the air supply pipe; And (D) lowering the supply pipe to a set position and fixing it, and raising and recovering the weight, wherein the step (A) includes a plurality of operations installed to be movable on two movable wire rods. In step (C), the air supply pipe and the water supply are selectively connected to the air supply pipe, and when the air supply is operated, air buoyancy induces the rise of the supply pipe, and when the water supply is operated, the supply pipe descends with water. , The step (C) induces the vertical movement of the weight on the support tube by using a rope and a moving ring fixed on the weight, and the movable wire rod moves to the treatment tank along the guide rail along with the chain block. It is characterized by being.

Prior Document Registration Patent No. 10-1800762, configured as described above, states that the air supply pipe is installed only on one side of the air supply pipe, and when the air supply pipe is raised, the air supply pipe is raised in a state that is inclined to one side. There is a problem that it is not easy to release the binding of the support pipe.

In addition, there is a problem that replacement is not easy because the diffuser is not completely exposed to the top of the aeration tank because the diffuser rises in a state inclined to one side.

Korean Patent Registration No. 10-1800762 (announced on November 27, 2017)

In the present invention, in order to solve the above problems, rails are installed on both sides of an exhalation tank, and wires are installed between the center and the center and the ends of the diffuser so that the diffuser is inclined to one side when rising or descending along the rail. It is an object of the present invention to provide a diffuser replacement device for replacing a diffuser without emptying the exhalation tank and a method for replacing the diffuser.

In addition, the present invention makes it easy to ascend and descend by the rail when the air diffuser is raised, as well as to ensure that the air is evenly supplied into the exhalation tank by installing the air diffuser at the location initially installed when the air diffuser is installed inside the exhalation tank. An object of the present invention is to provide a diffuser replacement device for replacing a diffuser without emptying the exhalation tank and a method for replacing the diffuser.

In addition, the present invention makes it possible to prevent the supply of oxygen through the diffuser from being disturbed by sediment because the diffuser is positioned at a distance from the bottom of the aerobic tank so that the distance is spaced apart from the bottom of the aerobic tank. An object of the present invention is to provide a diffuser replacement device for replacing a diffuser without emptying one unit and a method for replacing the diffuser.

The present invention is a means for achieving the above object,

Rails are respectively installed from the top to the bottom of the walls on both sides of the ventilation tank, and guide tubes are formed to be movably coupled to the rails so that they can move along the rails, and the guide tubes are installed on both sides of the air diffuser supplying oxygen, A diffuser replacement apparatus is provided, wherein a plurality of auxiliary wires are fixed to the center of the diffuser and between the center and both ends of the diffuser, and are connected to the ends of the plurality of auxiliary wires to raise the diffuser by the main wire.

The rail of the present invention is made of a chain, and a fixing pipe is installed at the end of the chain.

The diffuser of the present invention is characterized in that a plurality of angle supports are installed at equal intervals by'U'-shaped bolts.

The exhalation tank of the present invention is characterized in that a fixing member installed on the upper part of the exhalation tank is installed, a pulley is installed on the fixing member, and a main wire is coupled to the pulley to raise and lower the diffuser.

In the exhalation tank of the present invention, a concrete block panel is installed in the aerobic tank at intervals in a state without removing the diffuser pipe installed in the existing aerobic tank, and the block panel is equipped with rails, guide pipes, diffusers, and auxiliary equipment. It is characterized in that a diffuser replacement device consisting of a wire, a main wire and an angle support is installed.

The present invention is another means for achieving the above object,

Separating the supply pipe connected to the air diffuser in order to clean or replace the air diffuser without emptying the aerobic tank using the diffuser replacement device configured in claim 1; Pulling or winding a main wire connected to a plurality of auxiliary wires connected between the center of the air diffuser and a plurality of auxiliary wires connected between the center and the end of the air diffuser by using a lifting device or heavy equipment such as a crane to raise the air diffuser while being guided by a rail installed inside the exhalation tank; After cleaning or replacing the diffuser that has risen above the surface of the water, the guide pipe formed in the diffuser is moved along the rail using heavy equipment such as a lifting and lowering device or a crane so that the guide pipe is located at the initially installed position; an exhalation tank comprising: It provides a way to replace the air diffuser without emptying.

The diffuser pipe that is raised by the main wire of the present invention is characterized in that while moving along the rail installed in the exhalation tank, it is not inclined to any one side but rises above the water surface so that the worker cleans or replaces it.

A fixing member is installed on the upper part of the exhalation tank of the present invention, and a pulley is installed on the fixing member, so that the main wire is coupled, so that the air diffuser is elevated and lowered.

In the diffuser of the present invention, a concrete block panel is installed inside the aerobic tank at intervals without removing the diffuser installed inside the existing aerobic tank, and the block panel is equipped with rails, guide pipes, diffuser pipes, and auxiliary wires. , It is characterized in that cleaning or replacement by raising and lowering the diffuser by a diffuser replacement device consisting of a main wire and an angle support.

The present invention elevates and descends while the diffuser is guided by rails on both sides of the inside of the exhalation tank. In addition, wires are installed between the center, the center and the end of the diffuser when raising or lowering the diffuser. Since it is prevented from inclining to either side, there is an effect that the operator can easily clean or replace.

In addition, the present invention facilitates the elevating and descending of the air diffuser by rails installed on both sides of the aerobic tank, and since it is installed at the first installation position when the air diffuser is installed in the aerobic tank, oxygen is evenly supplied to the inside of the aerobic tank to prevent microorganisms. There is an effect that purification is easily performed.

In addition, in the present invention, since the diffuser is located at a distance from the bottom of the aerobic tank, the supply of oxygen supplied through the diffuser is facilitated by sediment accumulated on the bottom of the aerobic tank, so that the supply of oxygen to the inside of the aerobic tank is evenly achieved. It has the effect of being easily purified by microorganisms.

In addition, the present invention facilitates installation of a new diffuser by installing a new diffuser by installing a block panel on the upper part of the diffuser without removing the diffuser installed in the existing aerobic tank, as well as installation according to the installation of the new diffuser. There is an effect of lowering the cost.

1 is a view showing a state in which a diffuser replacement device is installed in an exhalation tank of the present invention.
Figure 2 is a view showing a state in which the air diffuser replacement device is raised in the exhalation tank of the present invention.
3 is an enlarged view of a portion'A' of FIG. 1;
Figure 4 is a view showing another embodiment of the air diffuser replacement device installed in the exhalation tank of the present invention.
Figure 5 is a view showing another embodiment of the air diffuser replacement device installed in the exhalation tank of the present invention.
6 is a plan view showing a diffuser replacement device installed in the exhalation tank of FIG. 5;
7 is an enlarged view showing a main part of the block panel of FIG. 5 in a state in which rails and diffusers are installed.

Hereinafter, a diffuser replacement apparatus for replacing a diffuser without emptying the exhalation tank and a method of replacing the diffuser according to the present invention will be described.

The diffuser replacement device of the present invention is a guide that is movably coupled in the rail 20 so that the rails 20 are installed from the top to the bottom of the walls on both sides of the aerobic tank 10, respectively, and move along the rail 20 The pipe 31 is formed, and the guide pipe 31 is installed on both sides of the diffuser 30 supplying oxygen, and a plurality of auxiliary wires 40 between the center and the center of the diffuser 30 and both ends. ) Is each fixed, is connected to the ends of the plurality of auxiliary wires 40, characterized in that the air diffuser 30 is raised by the main wire (50).

The method of replacing the air diffuser without emptying the exhalation tank of the present invention is a supply pipe connected to the air diffuser 30 in order to clean or replace the air diffuser 30 without emptying the aerobic tank 10 using the above-described air diffuser replacement device. Separating (11); By pulling or winding the main wire 50 connected to the plurality of auxiliary wires 40 connected between the center and the center and the end of the diffuser 30 using an elevating device or heavy equipment, the diffuser 30 is an exhalation tank 10 A step of ascending while being guided by the rail 20 installed on the inside; After cleaning or replacing the diffuser 30 that has risen above the water surface, the guide pipe 31 formed in the diffuser 30 is moved along the rail 20 using heavy equipment such as a lifting and lowering device or a crane to move along the rail 20 to the first installed position. It characterized in that it comprises a; step to position.

A diffuser replacement apparatus for replacing a diffuser without emptying the exhalation tank of the present invention and a method of replacing the diffuser will be described in detail with reference to the accompanying drawings.

When described in detail with reference to FIGS. 1 to 3, the diffuser replacement apparatus for replacing the diffuser without emptying the exhalation tank of the present invention includes a rail 20, a guide pipe 31, an auxiliary wire 40, and a main wire 50. ).

The rail 20 is installed in the vertical direction on both inner sides of the exhalation tank 10 to guide the diffuser 30 so that it can be raised without inclining to one side. The rail 20 has a lower end fixed to the inner bottom surface of the exhalation tank 10, and the upper end is fixed outside the upper end of the exhalation tank 10 to maintain a taut state.

The rail 20 is made of a chain, and a fixing pipe 21 is installed at the end of the chain so that the guide pipe 31 installed in the diffuser 30 can be fitted.

The guide pipe 31 is installed on both sides of the diffuser 30 so that it can be coupled to the fixed pipe 21 installed at the end of the rail 20. In addition, when the guide pipe 31 is coupled to the fixed pipe 21, the diffuser 30 functions to maintain a fixed state inside the exhalation tank 10, and when the diffuser 30 is raised or lowered Serves as a guide.

Further, although not shown in the drawing, the diffuser 30 may be formed of a main diffuser (not shown) and an auxiliary diffuser (not shown), and the main diffuser is provided with a supply pipe 11 so as to receive oxygen. It is connected, and the auxiliary diffusion pipe facilitates purification of wastewater including sewage and sewage by corals that are branched from the main diffusion pipe and supplied. The auxiliary diffuser is formed in a'TT' shape and is installed to face the main diffuser.

One side of the auxiliary wire 40 is coupled between the center and the center and the end of the diffuser 30. In more detail, one side of the auxiliary wire 40 is coupled to a ring (not shown) formed between the center and the center and the end of the diffuser 30. The other side of the auxiliary wire 40 is fastened so that its end is united into one by a binding member (not shown). The end of the auxiliary wire 40 fastened by the binding member is connected to the main wire 50.

The main wire 50 is connected to the auxiliary wire 40 fastened by the binding member and the elevating device to elevate and descend the diffuser 30, and when connected to the elevating device, the diffuser 30 A guide member (not shown) is selectively installed so that the main wire 50 is fastened to the top of the unit so that it can be easily ascended. That is, the guide member is installed and used only when the air diffuser 30 is raised and lowered. When the air diffuser 30 is normally located inside the exhalation tank 10, the guide member is located on the upper part of the exhalation tank 10. It is removed and kept in the shape as shown in FIG. 1.

In addition, a plurality of angle supports 32 at equal intervals are installed in the diffuser 30 by a'U' shaped bolt 33. The angle support 32 allows the diffuser 30 to be located at a distance from the bottom of the aerobic tank 10 to facilitate purification of wastewater by smooth supply of oxygen supplied from the diffuser 30. .

A method of replacing the air diffuser without emptying the exhalation tank by using the air diffuser replacement device for replacing the air diffuser without emptying the exhalation tank according to the present invention will be described.

In order to replace the air diffuser 30 that supplies oxygen to purify wastewater including sewage and sewage, first, the supply pipe 11 connected to the air diffuser 30 is separated. At this time, a coupler connected to the air diffuser 30 Alternatively, the supply pipe 11 is separated by separating the elbow.

In the state where the supply pipe 11 is separated, the main wire 50 is pulled or wound using a lifting device or heavy equipment such as a crane to raise the diffuser 30 connected to the auxiliary wire 40 above the surface of the water, and elevate and descend. The driving of the device or heavy equipment such as a crane is stopped so that the diffuser 30 maintains an elevated state.

When the diffuser 30 rises, the guide pipe 31 coupled to the diffuser 30 is moved while being guided along the rail 20. At this time, the diffuser 30 rises without being inclined to one side by the guide pipe 31, and since it maintains a horizontal state on the water surface, it is easily cleaned and replaced by an operator.

After cleaning or replacement of the diffuser 30 by the operator, the main wire 50 pulled or wound using a lifting device or heavy equipment such as a crane is released, and the diffuser 30 is moved to the inside of the exhalation tank 10. Make it possible to descend. The guide pipe 31 coupled to the air diffuser 30 descends along the rail 20 and is located at the bottom of the exhalation tank 10.

At this time, the diffuser 30 is installed at a distance from the floor because a plurality of angle supports 32 are installed at equal intervals by the'U' shaped bolts 33.

When the diffuser 30 is placed in the initially installed position, the operator connects the supply pipe 11 and the diffuser 30 so that oxygen can be supplied.

As described above, while the diffuser 30 is guided by the rails 20 on both sides of the exhalation tank 10, the diffuser 30 rises and falls, and when the diffuser 30 rises and falls, the center and the center of the diffuser 30 Each auxiliary wire 40 is installed between the ends so that the elevating and descending is performed so that the diffuser 30 is prevented from inclining to either side, so that the operator can easily clean or replace it.

In addition, the present invention facilitates the elevating and descending of the diffuser 30 by the rails 20 installed on both sides of the exhalation tank 10, and the location initially installed when the diffuser 30 is installed in the aerobic tank 10 Since it is installed in the aerobic tank, oxygen is evenly supplied to the inside of the aerobic tank, so that purification by microorganisms is easily performed.

The apparatus for replacing a diffuser of the present invention is not limited to the configurations shown in FIGS. 1 to 3, and may be implemented differently as shown in FIG. 4.

Referring to FIG. 4 in detail, the diffuser replacement apparatus of the present invention includes a rail 20, a guide pipe 31, an auxiliary wire 40, a main wire 50, a fixing member 60, and a pulley 61. ).

Since the rail 20, the guide pipe 31, and the auxiliary wire 40 are formed as in the configuration of FIGS. 1 to 3, a description of the configuration thereof is omitted, but a main wire made different from the configuration of FIGS. 1 to 3 (50), the structure of the fixing member 60 and the pulley will be described mainly.

One side of the main wire 50 is coupled to the end of the auxiliary wire 40 fastened by a binding member (not shown) so that the diffuser can be raised and lowered by the elevating device, and the other side is fastened to the elevating device. do.

And the elevating auxiliary means is configured to reduce the load of the elevating device when elevating the diffuser 30 by using the main wire 50. The elevating auxiliary means is a'∩'-shaped fixing member 60 is installed on the upper portion of the exhalation tank 10, and is composed of a pulley 61 on the fixing member 60.

The main wire 50 is coupled to the pulley 61 to facilitate the elevating and descending of the diffuser 30 using an elevating device.

A method of replacing the air diffuser without emptying the exhalation tank by using the air diffuser replacement device for replacing the air diffuser without emptying the exhalation tank according to the present invention will be described.

In order to replace the air diffuser 30 that supplies oxygen to purify wastewater including sewage and sewage, first, the supply pipe 11 connected to the air diffuser 30 is separated. At this time, a coupler connected to the air diffuser 30 Alternatively, the supply pipe 11 is separated by separating the elbow.

When the main wire 50 is wound by using an elevating device while the supply pipe 11 is separated, the load of the elevating device is not applied much by the pulley 61 to which the main wire 50 is coupled. The diffuser 30 connected to the wire 40 is raised above the water surface.

When the diffuser 30 rises, the guide pipe 31 coupled to the diffuser 30 is moved while being guided along the rail 20. At this time, the diffuser 30 rises without being inclined to one side by the guide pipe 31, and since it maintains a horizontal state on the water surface, it is easily cleaned and replaced by an operator.

After cleaning or replacing the diffuser 30 by the operator, when the main wire 50 is unscrewed using an elevating device, the main wire 50 coupled to the pulley 61 descends and the diffuser 30 Is lowered to the inside of the exhalation tank (10).

The air diffuser 30 descending to the inside of the exhalation tank is located at the bottom of the exhalation tank 10 by moving the guide pipe 31 along the rail 20. At this time, the diffuser 30 is installed at a predetermined distance from the floor because a plurality of angle supports 32 are installed at equal intervals by the'U' shaped bolts 33.

When the diffuser 30 is placed in the initially installed position, the operator connects the supply pipe 11 and the diffuser 30 so that oxygen can be supplied.

The apparatus for replacing a diffuser of the present invention is not limited to the configurations shown in FIGS. 1 to 4, and may be implemented differently as shown in FIGS. 5 to 7.

The diffuser replacement apparatus of the present invention includes a rail 20, a guide pipe 31, an auxiliary wire 40, a main wire 50, a fixing member 60, a pulley 61, and a block panel 70. .

The rail 20, the guide pipe 31, the auxiliary wire 40, the main wire 50, the fixing member 60, and the pulley 61 are substantially the same as those shown in Figs. Description of the configuration is omitted.

However, since the configuration of the block panel 70 is different from the configuration shown in FIGS. 1 to 4, the configuration will be mainly described.

The block panel 70 is formed with one frame 71 divided into three areas, and a concrete mortar 72 is placed in only two of the areas formed in the frame 71 to be cured, and one area is a concrete mortar. The space portion 73 in which the 72 is not poured is formed.

It is preferable that the area in which the concrete mortar 72 is poured is poured on both sides around the space part 73.

One side of the rail 20 is predetermined on the block panel 70 and serves as a guide by the guide pipe 31 when the diffuser 30 is raised. In addition, a fixing pipe 21 to which the guide pipe 31 is coupled is installed on the block panel 70. The fixing pipe 21 is installed so that the rail 20 is positioned inside.

The block panel 70 configured as described above is installed so as to be positioned above the existing air diffuser 30 from the existing exhalation tank, and the block panel 70 includes a rail 20 and a fixed pipe 21. It is installed, and the auxiliary wire 40 is installed in the diffuser 30 to which the guide tube is coupled, and the main wire 50 is coupled to the pulley 61 installed on the fixing member 60, and the diffuser ( 30) is configured to be able to move up and down.

The block panel 70 is installed to be elevated in the exhalation tank 10 by the rail 20, and the diffuser 30 is elevated by the main wire 50, the pulley 61, and the elevating device. Since it is made to descend, it is easy to clean and replace the diffuser (30).

In addition, the diffuser 30 installed on the upper part of the block panel 70 has an angle support 32 installed at the lower part, and the angle support 32 is formed in a'∩' shape so that the diffuser 70 It is installed at equal intervals and is installed at a distance from the top of the block panel (70).

The diffuser 30 may be formed of a main diffuser (unsigned) and an auxiliary diffuser (unsigned) as shown in FIG. 6, and the main diffuser 30 includes a supply pipe 11 and a supply pipe 11 to receive oxygen. It is connected, and the auxiliary diffusion pipe facilitates purification of wastewater including sewage and sewage by corals that are branched from the main diffusion pipe and supplied. The auxiliary diffuser is formed in a'TT' shape and is installed to face the main diffuser.

The method of replacing the diffuser without emptying the exhalation tank using the diffuser replacement device shown in FIGS. 5 to 7 can replace the diffuser in two forms.

First, the supply pipe 11 connected to the air diffuser 30 is separated to replace the air diffuser 30 supplying oxygen. At this time, the supply pipe 11 is separated by separating the coupler or elbow connected to the air diffuser 30. Separate

When the supply pipe 11 connected to the air diffuser 30 is separated and the main wire 50 is wound by using an elevating device, the load of the elevating device is caused by the pulley 61 to which the main wire 50 is coupled. It does not take much and raises the air diffuser 30 connected to the auxiliary wire 40 above the water surface.

After the operator cleans or replaces the diffuser 30 raised above the water surface as described above, the diffuser 30 is lowered to the inside of the exhalation tank 10 using an elevating device so that it can be installed at the first installed position. .

The second is to raise the block panel 70 by pulling or winding the rail 20 coupled with the block panel 70 installed inside the exhalation tank 10 as described above through an elevating device (not shown). A member that guides 20 is installed to facilitate the lifting and lowering of the rail.

The block panel 70 raised by the rail 20 is divided into three zones, so that the wastewater escapes through the space part 73 in which the concrete mortar 72 is not poured, so that the block panel 70 can be easily raised. Do.

When the block panel 70 that is raised and lowered by the elevating device rises above the water surface, the operator can easily clean and replace the air diffuser 30 even in a state where the operator does not get on a working boat.

When cleaning or replacement of the air diffuser 30 installed on the upper part of the block panel 70 is completed, the rails are gradually released using an elevating device so that the block panel 70 can be installed at the initial installation position. Let it descend inside.

When the lowering of the block panel 70 is completed, oxygen can be supplied by connecting the air diffuser 30 and the supply pipe 11.

As described above, maintenance is facilitated by installing the diffuser 30 by appropriately applying the diffuser replacement device according to the location where the diffuser is installed.

The above description of the present invention is for illustrative purposes only, and those of ordinary skill in the art to which the present invention pertains will be able to understand that it is possible to easily transform it into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative and non-limiting in all respects. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as being distributed may also be implemented in a combined form.

The scope of the present invention is indicated by the claims to be described later, and all changes or modified forms derived from the meaning and scope of the claims and the concept of equivalents thereof should be construed as being included in the scope of the present invention.

10: aerobic tank 11: supply pipe
20: rail 21: fixed pipe
30: diffuser 31: guide hall
32: angle support 33: bolt
40: auxiliary wire 50: main wire
60: fixing member 61: pulley
70: block panel 71: frame
72: concrete mortar 73: space

Claims (9)

Rails 20 are respectively installed from the top to the bottom of the walls on both sides of the ventilation tank 10, and the rail 20 is made of a chain, and a fixing pipe 21 is installed at the end of the chain, along the rail 20. Guide pipes 31 that are movably coupled from the rail 20 to be movable are formed, and the guide pipes 31 are respectively installed on both sides of the diffuser 30 supplying oxygen, and the A plurality of auxiliary wires 40 are fixed between the center and the center and both ends, respectively, the ends of the plurality of auxiliary wires 40 and the main wire 50 fastened by a binding member are connected, and the main wire 50 In the diffuser replacement device, characterized in that to raise the diffuser 30 by a lifting device or heavy equipment connected to,
The aerobic tank 10,
A concrete block panel 70 is installed on the upper part of the existing aerobic tank 10 without removing the air diffuser installed at a distance,
A diffuser replacement device comprising a rail 20, a guide pipe 31, a diffuser 30, an auxiliary wire 40, a main wire 50 and an angle support 32 is installed on the block panel 70, and ,
The block panel 70 is formed with one frame 71 divided into three zones, and cured by pouring concrete mortar 72 in only two of the zones formed in the frame 71, and one zone is concrete mortar. To form a space portion 73 in a state in which the 72 is not poured,
A fixing pipe 21 to which the guide pipe 31 is coupled is installed on the block panel 70,
A plurality of angle supports 32 are installed at equal intervals by'U'-shaped bolts 33 at the lower part of the diffuser 30 installed on the upper part of the block panel 70,
The block panel (70) is a diffuser replacement device, characterized in that installed so as to make the elevating and lowering in the exhalation tank (10) by the rail (20). delete delete The method of claim 1,
The aerobic tank 10,
A fixing member 60 installed on the upper part of the exhalation tank 10 is installed, a pulley 61 is installed on the fixing member 60, and the main wire 50 is coupled to the pulley 61 so that the diffuser 30 is Diffuser replacement device, characterized in that the elevating and descending. delete Separating the supply pipe (11) connected to the air diffuser (30) to clean or replace the air diffuser (30) without emptying the aerobic tank (10) using the air diffuser replacement device configured in claim 1;
The main wire 50 connected to the plurality of auxiliary wires 40 connected between the center and the center and the end of the diffuser 30 is pulled or wound using an elevating device or heavy equipment, so that the diffuser 30 is an exhalation tank 10 A step of ascending while being guided by the rail 20 installed on the inside;
After cleaning or replacing the diffuser 30 that has risen above the water, the guide pipe 31 formed in the diffuser 30 is moved along the rail 20 using heavy equipment such as a lifting and lowering device or a crane, and is moved to the first installed position. The method consisting of; and,
Lifting the block panel 70 by pulling or winding the rail 20 coupled with the block panel 70 installed inside the exhalation tank 10 through an elevating device;
When the block panel 70 that is raised and lowered by the elevating device rises above the water surface, the operator cleaning and replacing the air diffuser 30 in a state where the working boat is not boarded;
When the cleaning or replacement of the air diffuser 30 installed on the upper part of the block panel 70 is completed, the rails are gradually released using an elevating device so that the block panel 70 can be installed at the initial installation position. Descending inward;
When the lowering of the block panel (70) is completed, the method comprising the step of connecting the air diffuser (30) and the supply pipe (11) to supply oxygen. delete The method of claim 6,
A fixing member 60 is installed in the exhalation tank 10, and a pulley 61 is installed in the fixing member 60, and the main wire 50 is coupled to lift the diffuser 30. How to replace the air diffuser without emptying the exhalation tank. delete

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