KR20130014462A - The first flush treatment apparatus - Google Patents

Abstract

PURPOSE: An initial rain water treatment apparatus is provided to effectively precipitate and filter the initial rainwater through a swirl type treatment , a connection unit and a filter treatment unit, thereby preventing the contamination of the initial rainwater and improving the water quality of a river, a lake and a sea. CONSTITUTION: An initial rain water treatment apparatus(10) includes a swirl type treatment unit(100), a connection unit(200), and a filter type treatment unit(300). The swirl type treatment unit processes the contaminant such as floating oil and floaters, and a precipitated solid material by swirling the inflow of the initial rainwater. The connection unit connects the flow of rainwater from the swirl type treatment unit for a first treatment through the upper end to the lower end. The filter type treatment unit having fibrous filter(320) in horizontal fashion makes the first processed rainwater from the connection unit to pass though the fibrous filter from the lower side to the upper side, to be filtered with a minute solid material and an organic material and to be discharged to the outside.

Description

The first flush treatment apparatus

The present invention relates to a rainwater treatment device, and more particularly, after the initial rainwater flowing in is vortexed, it is included in the initial rainwater after undergoing two processes of passing a fibrous filter horizontally installed in the water from the lower side to the upper side. An excellent initial treatment apparatus capable of effectively sedimentation and filtration of the contaminated contaminants.

In general, sewage treatment plants clean and treat sewage from domestic households, factory wastewater, feces or natural wastewater from sewage pipes with clean and safe water and discharge them into natural rivers, lakes, etc. It is possible to reuse such as.

However, despite the recent expansion of sewage treatment plants and maintenance of sewage pipes, the non-point source spilled at the beginning of the rainfall has affected 30% to 40% of the total pollutant loads, impairing the water quality of the coast, rivers and lakes and the public health environment. As a result, early treatment plans are emerging.

* In general, when developed from a natural terrain into a housing complex or industrial complex, a lot of pollutants are generated by frequent vehicle traffic and floating population.

Therefore, various pollutants generated by this will accumulate on roads and storm water, etc., and will be discharged to the coast in rainy weather to contaminate water quality, and contaminants and floats can be a direct source of aesthetic pollution to neighboring residents. The need for the preliminary preparation and installation of an initial excellent treatment apparatus for nonpoint source treatment is increasing.

Therefore, the present invention has been devised to solve the above problems, the initial rainwater flowing into the vortex-type treatment unit and the first treated rainwater is first flowed into the upper side and flows to the lower side to flow out to the lower side Through the connecting portion and the fibrous filter from the lower side to the upper side through the filter-type processing unit for filtering the included fine solids and organic substances, it is possible to effectively filter the initial excellent water.

In particular, the filter type treatment unit is installed in the water in the horizontal direction to provide an initial excellent treatment apparatus that can easily filter the initial excellent water by easily filtering the fine solids and organic substances in the rain treated first through the connection portion. to be.

The present invention for achieving the above object is divided into a first space portion, a second space portion and a third space portion, the second space portion has the same depth and length as the first space portion, the width is formed small, The width of the third space portion is equal to the combined width of the first space portion and the second space portion, wherein the first space portion has a first inlet for inflow of initial rainwater and a first outlet for outflow to the second space. The second space portion has a second inlet (communication with the first outlet) for introducing rainwater from the first space portion and a second outlet for outflow to the third space portion, wherein the third space portion is excellent in the second space portion. Has a third inlet (communication with the second outlet) for inflow and a third outlet for outflow, and the second outlet for the first treated rainwater to flow out of the second space portion to the third space portion Direction is for rainwater to flow from the first space portion to the second space portion Orthogonal to the through direction of the second inlet, provided in the first space portion and vortexing the initial excellent flow introduced through the first inlet, contaminants such as oil and floats are promoted to the water surface, and solids are lowered. Rainwater, which is precipitated and stored, and the pollutant and the solid separated from each other, is provided in the vortex processing part flowing out to the second space part through the first outlet and in the second space part, and the first treatment is performed through the vortex processing part. Rainwater is introduced into the upper portion through the second inlet, the rainwater is provided to the connection portion and the third space portion is discharged to the lower end of the third space portion through the second outlet, and has a horizontal fibrous filter, the connection portion As the rough primary treated rainwater flows through the third inlet and passes the fibrous filter from the lower side to the upper side, the fine solids and organic substances included in the filter are filtered. It comprises a filter-type processor is through an outlet exhausted to the outside.

Preferably, the first outlet and the second inlet communicated with each other, is formed on the upper end of the first space portion and the second space portion, is formed on one side in the opposite direction of the second outlet.

In addition, the vortex type processing unit, as the initial excellent water flows into the vortex type drift plate through the first inlet to generate vortices, contaminants such as oil and suspended matter are promoted to the water surface, and the lower side of the vortex type processing unit is The lower end of the first space part is provided with a separate inclined plate formed to be inclined downward toward the center, and the solid matter is sedimented and stored downward as the sediment storage unit is partitioned at the lower end of the first space part. Rotates along the outer surface of the upper portion is moved upward and flows out to the second space through the first outlet.

In addition, the vortex type processing unit is open to the upper side, the bag shape narrowing toward the center toward the lower side, the mesh is formed along the outer circumferential surface through the first inlet, the initial excellent water is introduced into the waste included in the initial excellent Or a baffle provided to open only the lower end of the first space part to prevent solids such as suspended matters from being caught and collected, and floating contaminants and oils that have passed through the mesh of the hooked net through the first outlet. The rainwater is generated as the rainwater passing through the porosity of the catching net is moved along the inner surface of the first space portion in which the upper end and the middle part are closed by the baffle. The water surface promotes injury, solids settle and are stored downwards, and the rainwater separated from contaminants and solids It is moved over the area bangdoen flows out portion and the second space through the first outlet.

In the fibrous filter, a plurality of string-like fibrous materials are arranged in a plate shape.

In addition, the arranged string-like fibrous material is further provided with a fixing member in the transverse direction so as to be fixed at a constant interval from each other, the fixing member is installed a plurality of spaced apart in the longitudinal direction of the fibrous material.

The fibrous filter is a fibrous filter material woven in a plate shape.

In addition, a plurality of the fibrous filter is stacked up and down.

And the fibrous filter is installed in the middle or lower portion in the height direction of the filter-type processing unit can secure the management space above, the management space can be operated by the operator can be washed or replaced and managed.

In addition, the fibrous filter is provided with a fixing frame along the front, rear, left, right, front, left, and right edges, the fixing frame is fixed to the third space, the upper or lower side of the fibrous filter so that the protection net having a plurality of holes to maintain the shape. Or provided on the upper / lower side, the protective net is fixed to the third space portion to support the front and rear or left and right or front and rear left and right ends.

As described above, according to the initial excellent water treatment apparatus according to the present invention, the contaminants contained in the initial excellent water flows into the vortex processing unit to separate the oil and suspended matter floated by the vortex phenomenon and the solids precipitated to the lower side to the primary The first treated rainwater flows to the lower side through the connection part, and passes through the fibrous filter horizontally installed so that it is submerged from the lower side to the upper side to filter the fine solids and organic substances in the water and to treat the initial superiority. It can be effectively settled, floated and filtered, and the management space is secured on the upper side of the fibrous filter, which can be used as a maintenance space when cleaning or replacing the fibrous filter. It is an effective invention.

1 is a view showing an initial excellent treatment apparatus according to the present invention,
Figure 2 is a view showing a cross-sectional view AA of the initial excellent treatment apparatus according to the present invention,
3 is a view showing a processing state of the vortex processing unit and the connecting unit of FIG.
4 is a plan view showing a vortex processing part of another embodiment according to the present invention;
5 is a sectional view taken along line A′-A ′ of the vortex processing unit of FIG. 4;
6 is a view showing a processing state of the vortex processing unit and the connecting unit of FIG.
7 is a view showing the BB cross-sectional view of the initial excellent treatment apparatus according to the present invention,
8 is a view showing a processing state of the connection portion and the filter type processing portion of FIG.
9 is a view showing a CC cross-sectional view of the initial excellent treatment apparatus according to the present invention,
10 is a view showing a processing state of the filter type processing unit of FIG. 9;
11 is a view showing a fibrous filter of the initial excellent treatment device according to the present invention,
12 is a view showing another installation state of the fibrous filter of the initial excellent treatment apparatus according to the present invention.

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

It should be noted that the present invention is not limited to the scope of the present invention but is only illustrative and various modifications are possible within the scope of the present invention.

1 is a view showing the initial excellent treatment apparatus according to the present invention, Figure 2 is a view showing a cross-sectional view AA of the initial excellent treatment apparatus according to the present invention, Figure 3 is the processing of the vortex processing unit and the connecting portion of FIG. Figure 4 is a view showing a state, Figure 4 is a plan view showing a vortex processing part of another embodiment according to the present invention, Figure 5 is a view showing a cross-sectional view A'-A 'of Figure 4 vortex processing part, 6 is a view showing the processing state of the vortex type processing unit and the connecting portion of FIG. 9 is a cross-sectional view showing a CC cross-sectional view of the initial excellent treatment apparatus according to the present invention, FIG. 10 is a view showing a processing state of the filter type processing unit of FIG. 9, and FIG. Fibrous phase of the initial excellent treatment device according to the present invention View showing the emitter, and Fig. 12 is a view showing another installation state of the fibrous filters of the initial solid treated according to the present invention.

As shown in the figure, the initial excellent water treatment apparatus 10 is for treating the initial excellent water including the contaminants on the ground after the rain, and the vortex type treatment part such as oil, suspended matter, sediment and organic matter included in the initial excellent water As it is treated through two treatment processes, and it can minimize pollution by rainwater in rivers, lakes and sea where rainwater is discharged.

The initial excellent treatment apparatus 10 is composed of a vortex processing unit 100, a connecting unit 200 and a filter processing unit 300, the first space 400, the second space 500 and the third space Each of the compartments may be divided into portions 600, and the second space portion 500 may have the same depth and length as the first space portion 400, but have a smaller width.

The depth of the third space part 600 is the same as the depth of the first space part 400 and the second space part 500, and the width is the width of the first space part 400 and the second space part 500. The same width as the combined width, the first space 400 has a first inlet 150 for the initial rain inlet 150 and the first outlet 160 for outflow to the second space 500.

The second space part 500 may have a second inlet port 220 (communication with the first outlet port) and a third outlet port 230 to flow out of the first space part 400 to the third space part 600. Has

In addition, the third space portion 600 has a third inlet 330 (communication with the second outlet) 330 for inflow of rainwater from the second space 500 and a third outlet 340 for outflow.

At this time, the rainwater flow direction of the second outlet 230 to flow out of the first treated rainwater from the second space portion 500 to the third space portion 600, the rainwater is the second space in the first space portion 400 Orthogonal to the through-direction of the second inlet 220 for flowing into the portion 500.

Looking at the excellent flow of the first space 400, the second space 500 and the third space 600 by the initial excellent treatment device 10, first, the vortex processing unit 100 is a first As it is provided in the space 400 to vortex the initial excellent water introduced through the first inlet 150, contaminants such as oil and floats are promoted to the surface of the water, and solids are precipitated and stored to the lower side. Rainwater from which the solids are separated is discharged to the second space part 500 through the first outlet 160.

That is, it is the first treatment process of the initial rainfall introduced.

In addition, the connection part 200 is provided in the second space part, and the initial rainwater firstly processed through the vortex type processing part 100 flows into the upper end through the second inlet 220, and the rainwater flowing into the second outlet ( It flows out to the lower end of the third space portion 600 through the 230.

The connection unit 200 moves the initial excellent initial treatment to the filter type processing unit 300, and introduces the rainwater introduced from the vortex type processing unit 100 to the upper end of the filter type processing unit 300.

In addition, the filter-type processing unit 300 is provided in the third space portion 600, has a fibrous filter 320 horizontally, the rainwater treated first through the connecting portion 200 flows through the third inlet 330. As the fibrous filter 320 is passed from the lower side to the upper side, fine solids and organic substances included in the filter are filtered and then discharged to the outside through the third outlet 340.

In other words, it is the process of second-order initial excellent treatment.

As such, the initial excellent water treated twice through the vortex type processing part 100, the connecting part 200, and the filter type processing part 300 is discharged to the rainwater pipe 20 or the rainwater box buried underground, so Pollution can be prevented, and such pollution prevention can improve the quality of rivers, lakes and seas.

Here, the vortex processing unit 100 and the connecting unit 200 and the filter processing unit 300 of the initial excellent treatment device 10 is installed in each space portion in communication with each other, the vortex processing unit 100 is the first In the space unit 400, the connection unit 200 is provided in the second space unit 500, and the filter type processing unit 300 is provided in the third space unit 600, respectively.

The first space 400 and the second space 500 is in communication with each other at the upper end by the second inlet 220, the second space 500 and the third space 600 is the second outlet 230 is in communication with each other at the lower end.

In this case, as shown in FIGS. 1 to 7, the direction in which the initial rainwater flows from the second space part 500 to the third space part 600 is the direction in which the initial rainwater flows from the first space part 400. Is orthogonal.

This, it is preferable to control the flow rate flowing into the filter-type processing unit 300 in accordance with the decrease in the speed of the first initial treated rainwater flowing in the first space 400 is moved to the third space 600. Do.

In addition, the first outlet 160 and the second inlet 220 communicated with each other are formed at the upper end of the first space 400 and the second space 500, the opposite side of the second outlet 230 Is formed.

Accordingly, the rainwater separated from the contaminants and the solids floating into the second space portion 500 is easily introduced therein, and the rainwater is secured over the entire space of the second space portion 500 by securing a distance from the second outlet 230. The flow can be minimized to ensure that the shooter area is minimized.

Here, referring to the vortex type processing unit 100, as shown in FIGS. 2 to 3, the initial excellent water is provided in the first space part 400 to the inside of the vortex type flow plate 120 through the first inlet 150. As it enters and generates vortices, it treats contaminants such as floating oils and suspended solids and solids that settle downward.

The pollutant and the solid matter are separated firstly and the rainwater is moved upward while rotating along the outer surface of the vortex-type conducting plate 120 and flows out to the second space part 500 through the first outlet 160.

In addition, the lower end portion of the first space portion 400, which is the lower side of the vortex type processing unit 100, is provided with a separate inclined plate 130 that is formed to be inclined downward toward the center, and the precipitation storage unit 140 is disposed at the lower end of the first space portion 400. Compartment.

In other words, the first space portion 400 is the sedimentation storage unit 140 is formed on the lower side relative to the separation inclined plate 130, the vortex flow plate 120 is installed above.

The vortex flow plate 120 is formed in a cylindrical shape, the initial excellent inflow pipe 30 is in communication with the inside of the vortex flow plate 120 and the rain pipe 20, the initial rain is introduced, the initial rain introduced Vortex phenomena are generated by the vortex type conducting plate 120.

Accordingly, the suspended matter and sediment are separated from the initial excellent by the vortex-type conducting plate 120, the floating matter such as oil, styrofoam, and twigs is floated upward, and the sediment is the sedimentation hole 132 of the separation slope plate 130. It is precipitated and stored in the precipitation storage unit 140 through.

Here, the separation inclination plate 130 is formed to be inclined downward to the center, to prevent the solids precipitated in the precipitation storage unit 140 to rise again by the newly introduced initial excellent water.

On the other hand, as another embodiment of the vortex processing unit 100 ', as shown in Figures 4 to 6, it is composed of a catching network (110') and a baffle (120 ').

First, the catching network 110 ′ is open toward the upper side, has a pocket shape narrowing toward the lower side, and a mesh is formed along the outer circumferential surface.

The catching network 110 ′ is introduced into the initial rainwater through the first inlet 150 to collect solids such as garbage or floating matter included in the initial rainwater.

In addition, the baffle 120 ′ may open only the lower end of the first space part 400 to prevent the floating contaminants and the oil, etc., which have passed through the mesh of the catching network 110 ′ from being discharged through the first outlet 160. It is provided.

As such, when the primary treatment process by the vortex processing unit 100 'is introduced into the inside of the catching network 110' through the first inlet 150, the first network passes through the mesh of the catching network 110 '. Solids such as injured garbage or floats that cannot be caught are caught inside the catching network 110 'and collected inside.

And the rainwater that has passed through the mesh of the catching network 110 'is vortex generated as it moves along the inner surface of the first space 400 closed at the upper and middle portions by the baffle 120', the baffle 120 ' ), Floating contaminants and oils are promoted to the surface, and solids are precipitated and stored downward, and rainwater separated from contaminants and solids is moved through the open area of the baffle 120 'to be discharged to the first outlet. It flows out to the second space part 400 through the 160.

1 and 7 to 10, the filter type processing unit 300 is provided with a fibrous filter 320, the fibrous filter 320 is the middle portion in the height direction of the third space portion (600) It is installed in the horizontal direction and the primary rainwater processed firstly passes from the lower side to the upper side and is processed in the third.

In other words, the fibrous filter 320 is installed in the third space part 600 to maintain the horizontal position in the water, and the filter type processing part 300, that is, the height direction of the third space part 600. As installed in the lower portion or the lower portion, the constant management space portion 610 may be secured above the fibrous filter 320.

The schedule management space 610 may be used as a space for the worker to act when washing or replacing the filter medium of the fibrous filter 320 can be easily washed or replaced to improve the work efficiency.

Here, the fibrous filter 320 is a plurality of string-like fibrous material is arranged in a plate shape, it is to filter the fine solids and organic materials included in the initial excellent passing through.

A plurality of such string-like fibrous filters 320 are stacked in the vertical direction, and in the second treatment, the ability to detain contaminants in the filter layer and to treat them, that is, to increase the amount and effect of filtering can be achieved. It is longer, and the processing efficiency can be improved.

At this time, as shown in Figure 11, the arranged string-like fibrous material is further provided with a fixing member 330 in the transverse direction so as to be fixed at a predetermined interval to each other, to maintain the arranged string-like fibrous material at a constant interval from each other As a result, the plate-like shape can be maintained, and the filtration treatment efficiency can be maintained high.

The fixing member 330 is installed a plurality of spaced apart at regular intervals in the longitudinal direction of the string-like fibrous material.

On the other hand, as another embodiment of the fibrous filter 320, the fibrous filter material is woven into a plate-like, it is to filter the fine solids and organic materials included in the initial excellent passed through.

Fibrous filter 320 woven in such a plate is stacked in a number of vertical direction, during secondary treatment, the ability to hold contaminants in the filter layer for treatment, that is, the amount and effect that can be filtered filter continuity Longer time can improve processing efficiency.

The rainwater treated secondly through the filter type treatment unit 300 is discharged to the rain pipe 20 or the rain box through the treated water discharge pipe 40.

And, as shown in Figure 12, the fibrous filter 320 is provided with a fixing frame 350 along the rim, and the protective net 360 having a plurality of through holes selective to the top or bottom or top / bottom to maintain its shape It is provided with.

Here, the fixing frame 350 may be selectively provided along the front, rear, left, front, left, and right edges of the fibrous filter 320, and the front and rear directions represent both end directions of a plurality of strings forming the fibrous filter 320.

The fixing frame 350 may be fixed to the third space part 600 to fix the fibrous filter 320.

In addition, the protection net 360 is selectively provided on the upper side or the lower side or the upper / lower side of the fibrous filter 320, and maintains a certain strength to protect the fibrous filter 320, the weight of the worker during the cleaning or replacement work It can support and improve working efficiency.

The protection net 360 is installed in the third space part 600 by the fixing jaw 370 supporting the front, rear, left, and right, front and rear ends, and the fixing jaw 370 is fixed to the third space part 600. do.

In addition, the third space portion 600 may further include a fixing groove (not shown) for fixing the fibrous filter 320. The fixing groove includes a fixing frame 350 and a protection net for fixing the fibrous filter 320. The fixing jaw 370 for fixing the 360 is formed to be fitted.

Here, the bottom of the second inlet 220 is preferably formed at the same height as the bottom of the third outlet 340, the same level of the water level of the second space portion 500 and the water level of the third space portion 600. To control the flow rate.

10: excellent initial treatment device 20: rain pipe
30: initial excellent inlet pipe 40: treated water outlet pipe
100, 100 ': Vortex type processing unit 120: Vortex type plate
130: separating slope plate 132: sedimentation hole
140: sedimentation storage 110 ': hook network
120 ': baffle 150: first inlet
160: first outlet 200: connection portion
220: second inlet 230: second outlet
300: filter type processing unit 320: fibrous filter
330: third inlet 340: third outlet
400: first space part 500: second space part
600: third space part 610: management space part

Claims (10)

It is divided into a first space portion, a second space portion and a third space portion, the second space portion has the same depth and length as the first space portion, the width is formed small, the width of the third space portion is the first space Is equal to the combined width of the part and the second space part,
The first space portion has a first inlet for the initial excellent inflow and a first outlet for outflow to the second space,
The second space portion has a second inlet (communication with the first outlet) for introducing rainwater from the first space and a second outlet for outflow to the third space,
The third space portion has a third inlet (communication with the second outlet) for introducing the rainwater from the second space portion and a third outlet for outflow.
The through-flow direction of the second outlet for the first treated rainwater to flow out of the second space portion to the third space portion is orthogonal to the through-direction of the second inlet port for the rainwater to flow from the first space portion to the second space portion. ,
As it is provided in the first space portion and vortexes the initial excellent water introduced through the first inlet, contaminants such as oil and suspended matter are promoted to the surface of the water, solids are precipitated and stored downwards, and contaminants and solids are separated. The rainwater is vortex type processing unit flowing out to the second space portion through the first outlet;
It is provided in the second space portion, the first excellent initial flow through the vortex processing unit flows into the upper end through the second inlet, the rainwater flows into the lower end of the third space portion through the second outlet ; And
It is provided in the third space portion, has a fibrous filter horizontally, the first treated rainwater flowing through the connecting portion is introduced through the third inlet to pass through the fibrous filter from the lower side to the higher solids and organic contained The initial excellent treatment apparatus comprising a filter-type processing unit for filtering the substance and the like discharged to the outside through the third outlet.
The method of claim 1,
The first outlet and the second inlet communicated with each other,
It is formed in the upper end of the first space portion and the second space portion, the initial excellent treatment apparatus, characterized in that formed on one side in the opposite direction of the second outlet.
The vortex processing part of claim 1, wherein
As the initial rainwater flows into the vortex flow plate through the first inlet to generate vortices, contaminants such as oil and suspended matters are promoted to the surface of the water, and a lower portion of the first space portion below the vortex processing part has a central As a separate inclined plate formed to be inclined downward to partition the sediment storage unit at the lower end of the first space, solids are precipitated and stored downward, and rainwater separated from contaminants and solids is rotated along the outer surface of the vortex flow plate. An initial excellent treatment apparatus, characterized in that moved to the upper side and flows out to the second space through the first outlet.
The vortex processing part of claim 1, wherein
Opened to the upper side, and narrowed toward the center toward the lower side is a bag-shaped, the mesh is formed along the outer peripheral surface through the first inlet, the initial rainwater is introduced into the internal solids, such as garbage and suspended solids contained in the initial rainwater is collected Hang screens; And
It includes a baffle provided to open only the lower end of the first space portion to prevent the floating contaminants and oil passing through the mesh of the hook network through the first outlet,
Vortex is generated as rainwater that has passed through the porosity of the catching net is moved along the inner surface of the first space portion in which the upper and middle portions are closed by the baffle, and floating contaminants and oils are promoted to the surface by the baffle. The solids are precipitated and stored downward, and the rainwater from which the pollutants and the solids are separated is moved through the open portion of the baffle and is discharged to the second space portion through the first outlet. .
The method of claim 1, wherein the fibrous filter,
Initial excellent treatment apparatus, characterized in that a plurality of string-like fibrous material is arranged in a plate shape.
The method of claim 5,
The string-like fibrous material arranged is further provided with a fixing member in the transverse direction to be fixed to each other at a predetermined interval, the initial excellent treatment apparatus, characterized in that a plurality of fixing members are spaced apart at regular intervals in the longitudinal direction of the fibrous material.
The method of claim 1, wherein the fibrous filter,
An initial excellent treatment apparatus, characterized in that the plate-like woven fibrous material.
The method according to any one of claims 5 to 7,
The initial excellent treatment device, characterized in that the plurality of fibrous filters are stacked up and down.
The method of claim 1, wherein the fibrous filter,
The filter type treatment unit is installed in the middle of the height direction or the lower portion can secure the management space to the upper side, the management space is an initial excellent treatment device, characterized in that the operator can be active to wash or replace work and management .
The method of claim 1,
The fibrous filter is provided with a fixing frame along the front and rear or right and left or front and rear left and right, the fixing frame is fixed to the third space,
A guard net having a plurality of through holes is provided on the upper side, the lower side, or the upper and lower sides of the fibrous filter so as to maintain its shape, and the guard net is fixed to the third space by a fixing jaw supporting the front, rear, left, right, front, left, and right ends. Initial excellent treatment device, characterized in that the.

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