KR101066444B1 - Sewage disposal apparatus - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fine contaminant treating apparatus, and more particularly, to a fine contaminant treating apparatus that can remove fine contaminants mechanically by excluding a chemical treatment method using an existing expensive coagulant.

In order to achieve the above object, a fine contaminant processing apparatus according to the present invention includes a first conveyor roller, a second conveyor roller spaced apart from the first conveyor roller at a predetermined distance, and rotated by the first and second conveyors. An endless filtration belt, a wastewater filtrate introduction pipe for introducing wastewater filtrate onto the endless filtration belt, a filtrate discharge pipe positioned below the endless filtration belt between the first and second conveyor rollers, and a position near the first conveyor roller. And a scraper separating the fine contaminants accumulated on the endless filtration belt and falling down the endless belt, and a screw press for discharging the contaminants separated from the endless filtration belt by the scraper and removing the filtrate to the outside.

Wastewater, Scraper, Screw

Description

Fine Particulates Processing Unit {SEWAGE DISPOSAL APPARATUS}

1 is a perspective view showing the appearance of a fine contaminant treatment apparatus according to the present invention,

Figure 2 is a side configuration diagram showing the internal arrangement of each configuration of the fine contaminant processing apparatus of the present invention,

Figure 3 is a plan view showing the internal arrangement of each configuration of the fine contaminant processing apparatus of the present invention,

Figure 4 is a perspective view showing the arrangement of each configuration of the fine contaminant processing apparatus of the present invention omitting the illustration of the top cover and the front cover in FIG.

Figure 5 is a perspective view showing the arrangement of each configuration of the apparatus for treating fine contaminants of the present invention further omitted the left, right cover and the endless filter belt in FIG.

Figure 6 is a perspective view showing the arrangement of each configuration of the fine contaminant treatment apparatus of the present invention further omitted the illustration of the front frame and waste water guide duct in Figure 5,

Figure 7 is a perspective view showing the arrangement of each configuration of the fine contaminant processing apparatus according to the present invention further omitted the illustration of the endless filter belt in FIG.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fine contaminant treating apparatus, and more particularly, to a fine contaminant treating apparatus capable of mechanically removing fine contaminants without using a flocculant.

The waste water is mixed with various impurities such as manure and sand. Since these contaminants vary in their characteristics such as weight and size, various treatment methods are used to remove the contaminants contained in the wastewater.

In general, wastewater treatment filters out relatively bulky material from the introduced wastewater into a machine that includes a screen, decomposes and removes microorganisms in the wastewater with microorganisms, obtains supernatant water from the final sedimentation basin and discharges it to the stream, Will be reused again. Therefore, the fine contaminants contained in the waste water are coagulated using a flocculant to make a bulky contaminant, which is then filtered out by a machine including a screen.

The contaminant treatment device includes a screen device, and the incoming wastewater is first passed through the screen device to separate various contaminants and filtrates, and the condensate is discharged to the outside while dewatered, and the filtrate enters the next treatment device through a pipe.

However, this wastewater treatment method has a problem that not only secondary pollution caused by the flocculant occurs because the chemical treatment is performed by using a flocculant to treat the contaminants, and the cost of the flocculant is enormous and it takes a long time.

An object of the present invention is to provide a fine contaminant treatment apparatus that can remove the fine contaminants contained in the wastewater filtrate without using a flocculant.

It is an object of the present invention to provide a fine contaminant treatment apparatus capable of removing the fine contaminants contained in the wastewater filtrate without using a flocculant to discharge the filtrate containing no flocculant.

In order to solve the above problems of the prior art, by filtering the wastewater filtrate containing the fine contaminants to the screen and discharge the filtered water and the condensate through different passages, the fine contaminant treatment to mechanically separate the fine impurities from the wastewater The purpose is to provide a device.

The objects of the present invention include a first conveyor roller and a second conveyor roller spaced apart from the first conveyor roller, an endless filtration belt rotating on the first and second conveyors, and wastewater filtrate. The wastewater filtrate introduction pipe introduced above, the filtrate discharge pipe positioned below the endless filter belt between the first and second conveyor rollers, and the fine contaminants positioned near the first conveyor roller and accumulated on the endless filter belt are separated from each other. It is achieved by a fine contaminant processing apparatus including a scraper falling down the endless belt, and a screw press for removing the filtrate separated from the endless filter belt by the scraper to remove the filtrate to the outside.

In such a fine contaminant treatment device, the wastewater filtrate is introduced onto the endless filtration belt through the wastewater filtrate introduction tube, and the fine contaminants contained in the wastewater filtrate are filtered by the endless filtration belt, and the filtrate is filtered through the filtrate discharge pipe located below the endless filtration belt. Is discharged. The fine particles caught by the endless filter belt are transferred to the first conveyor roller as the endless filter belt rotates, and the fine particles are further transferred to the scraper as the endless filter belt is further rotated, and separated from the endless filter belt by the scraper. Falls down. Fine contaminants separated from the endless filter belt and dropped downward enter the screw press and are discharged to the outside as the filtrate is removed by the screw press.

Therefore, the fine contaminant treatment apparatus according to the present invention can remove the fine contaminants contained in the wastewater filtrate without using a flocculant, and can discharge the filtrate containing no flocculant.

The wastewater purification apparatus according to the present invention may further install a pressing mechanism for making a fine contaminant filtered by an endless filter belt between the first conveyor roller and the second conveyor roller. The pressing mechanism is composed of a first pressing roller and a second pressing roller which operates in correspondence with the first pressing roller between the first conveyor roller and the second conveyor roller, so that the endless filter belt is connected between the first pressing roller and the second pressing roller. It is configured to pass through. Thus, the fine contaminant filtered by the endless filter belt is pressed by the first and second compression rollers to pass through the cake between the first and second compression rollers.

A compression force adjusting cylinder may be further installed on the first compression roller to adjust the compression force for pressing the endless filter belt passing between the first compression roller and the second compression roller. The pressing mechanism may be a pressing plate instead of the second conveyor roller, and the endless filter belt may be configured to pass between the first pressing roller and the pressing plate.

The fine contaminant processing device according to the present invention is such that the filtrate exiting the endless filter belt is filtered by the endless filter belt and flows into the filtrate discharge pipe located below the endless filter belt between the first and second conveyor rollers. A first filtrate discharge tray may be installed between the first conveyor roller and the second conveyor roller.

In addition, the filtrate discharge tube of the fine contaminant treatment apparatus according to the present invention is open in the longitudinal direction from the inside of the apparatus upward, the second filtrate collecting plate is attached while forming a V-shape above the opening portion is the filtrate discharge tube It is supposed to flow in.

The conveyor rollers, which are not connected to the motor, of the first and second conveyor rollers of the fine contaminant processing apparatus according to the present invention are supported by bearings which are movable back and forth by an air cylinder. The air cylinder is operated by the detection output of the endless filtration belt meandering detection sensor which detects the rotation of the endless filtration belt, and pushes the bearing which can move forward and backward or pulls backward to adjust the tension of the filtration belt. Prevent the endless filter belt from twisting and rotating.

One of the two rollers may be installed to be linearly driven by the air cylinder to adjust the tension of the screen.

In addition, a washing pipe may be installed in the center of the endless filter belt to flush the washing water to wash the screen.

An embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Of the drawings, Figure 1 is a perspective view showing the appearance of a fine contaminant processing apparatus according to the present invention, Figure 2 is a side configuration diagram showing the internal arrangement of each configuration of the fine contaminant processing apparatus of the present invention, Figure 3 is It is a top block diagram which shows the internal arrangement of each structure of the fine-particles processing apparatus of this invention.

4 is a perspective view showing the arrangement of each configuration of the apparatus for treating fine particles of the present invention, in which the top cover and the front cover are not shown in FIG. 1. Figure 5 is a perspective view showing the arrangement of the respective components of the apparatus for treating fine contaminants of the present invention further omitted the left, right cover and the endless filter belt in FIG. FIG. 6 is a perspective view showing the arrangement of each configuration of the apparatus for treating fine contaminants of the present invention in which the front frame and the wastewater guide duct are further omitted from FIG. 5. Figure 7 is a perspective view showing the arrangement of each configuration of the fine contaminant processing apparatus according to the present invention further omitted the illustration of the endless filter belt in FIG.

Referring first to Figure 1, there is shown a fine contaminant processing apparatus 10 of the present invention. The fine contaminant treatment apparatus 10 includes a wastewater inlet through which wastewater containing fine contaminants is introduced into the apparatus including the frames 11 and 12 and the covers 13, 14 and 15 supported by the frames 11 and 12. 21) is exposed to the outside. On one side of the device 10, the filtrate discharge port 41a and the fine contaminant discharge port 55 through which the dehydrated fine contaminants are discharged to the outside of the device are exposed to the outside. In addition, the rear side of the device is exposed to the outside of the dehydration margin outlet 56 for discharging the filtrate generated when dewatering the fine contaminants. Moreover, the bearing device which supports the 1st conveyor roller 31, the 2nd conveyor roller 32, and the extrusion roller 33 is attached to the frame 12 of the apparatus, respectively. Bearing devices for supporting the first conveyor roller 31, the second conveyor roller 32 and the extrusion roller 33, respectively, are attached to the frame 11 of the device, respectively.

2 to 7, the endless filtration belt 27 for filtering the fine contaminants included in the wastewater in the fine contaminant treatment device is hung on the first and second conveyor rollers 31 and 32, so that the first conveyor roller ( According to the rotation of 31), make an endless rotation movement. The endless filter belt 27 is the first conveyor roller 31 is driven by a conveyor drive motor (83).

On the other hand, both shafts of the second conveyor roller 32 are supported by bearings 77a and 77b, which can move back and forth, respectively. The movable bearings 77a and 77b, respectively, are air cylinders 75a and 75b constituting a meandering prevention mechanism. To move forward and backward by). The air cylinders 75a and 75b operate by the detection output of the endless filtration belt meander detection sensor (not shown) which detects rotation of the endless filtration belt 27 by twisting, thereby moving the bearings 77a and 77b forward. Push or pull backward to adjust the tension of the endless filtering belt 27 to prevent the endless filtering belt 27 is twisted and rotated.

The wastewater filtered by the endless filtration belt is introduced into the endless filtration belt 27 through the wastewater inlet 21 installed in front of the apparatus of the apparatus 10 and enters the endless filtration belt 27. A guide duct 22 having the same outlet of the width of the endless filtration belt 27 is connected to the back of the wastewater inlet 21 so as to be spread on the front surface. The size of the mesh of the endless filter belt 27 for filtering the fine contaminants may be appropriately selected depending on the size of the fine contaminants to be filtered out.

The fine contaminants introduced into the apparatus 10 through the wastewater inlet 21 are caught by the endless filtration belt 27 and the filtrate flows through the endless filtration belt into the filtrate discharge pipe 41 and exits the apparatus 10. The first filtrate collecting plate 42 is positioned directly below the guide duct 22 between the endless filter belts 27. The first filtrate collecting plate 42 is the filtrate passing through the endless filter belt 27 when the fine contaminants contained in the waste water flowing through the guide duct 22 is filtered by the endless filter belt 27 is the filtrate discharge pipe immediately To (41). Filtrate discharge pipe 41 is located below the endless filter belt (27). The filtrate discharge pipe 41 is opened in the longitudinal direction upward from the inside of the apparatus 10 (opening portion: 41a), and the second filtrate collecting plates 45, 46 are formed in a V-shape above the opening portion 41a. It is attached while making the filtrate and the endless filter belt washing water flowing out through the endless filter belt 27 flows into the filtrate discharge pipe (41). A connecting pipe 43 is attached to the first filtrate collecting plate 42 so that the filtrate collected by the first filtrate collecting plate 42 flows into the connecting pipe 43 through the hole 42a to the filtrate discharge pipe 41. It is supposed to fall.

Near the first conveyor roller 31, a scraper 57 for dropping fine contaminants accumulated on the endless filter belt 27 with the screw press 55 is provided in a direction crossing the endless filter belt 27.

The screw press 50 dewateres the fine contaminants falling off from the endless filter belt 27 and discharges them to the outside of the apparatus. The screw press 50 includes a screw 51 driven by a motor 81 therein and a press case 52 surrounding the screw 51. The press case 52 has an endless filter belt 27 inside the apparatus. The upper side is open so that fine contaminants falling off from the bottom can enter (opening part: 52a). Towards the opening 52a, the fine collectors 45 and 46 are attached while forming a V shape so that fine particles can smoothly enter the screw press 55. In addition, the screw press 55 is connected to the discharge pipe 56 for discharging the filtrate generated to dehydrate the fine contaminants. The discharge pipe 56 connected to the screw press 55 may be installed to exit the device 10 independently or may be installed in a form connected to the filtrate discharge pipe 41.

Between the first conveyor roller 31 and the guide duct 22 is a compression roller mechanism for making a fine condensate accumulated in the endless filter belt 27 in the form of a cake. The pressing roller mechanism is configured such that the first and second pressing rollers 33 and 34 face each other with the endless filter belt 27 interposed therebetween. Since the endless filter belt 27 rotates while passing between the first press roller 33 and the second press roller 34, the fine particles accumulated on the endless filter belt 27 are the first press roller 33 and the second press. The pressing roller 34 is pressed to form a cake. The fine contaminants in the form of cake can be separated from the endless filter belt 27 more smoothly by the scraper 57 located near the first conveyor roller 31.

The bearing which supports the shaft of the 1st pressing roller 33 is provided so that a vertical movement is possible by the air cylinder 73. As shown in FIG. Since the bearing supporting the shaft of the first pressing roller 33 is pressed by the air cylinder 73, the distance between the first pressing roller 33 and the second pressing roller 34 is adjusted by adjusting the pressure of the air cylinder. . By adjusting the distance between the first pressing roller 33 and the second pressing roller 34 in accordance with the properties of the fine confinement stacked on the endless filter belt it can be made smoothly in the form of cake.

In the center of the endless filter belt 27, a washing pipe 61 is installed to flush the washing water to wash the endless filter belt 27. In addition, the brush 63 is provided below the endless filter belt 27 so as to cross the endless filter belt 27. Contaminants adhering to the endless filtration belt are removed by the wash water and the brush 63 which is blown out through the washing pipe 61. The compressor 85 is a mechanism that compresses air to generate power for driving the cylinders 73, 75a, 75b.

As described above, the apparatus for treating fine contaminants according to the present invention can reduce the contamination of the waste water by the flocculant by removing the fine contaminants in a mechanical manner by using an endless filter belt that pivots between conveyor rollers without using a flocculant. Further, the cost of the flocculant can be greatly reduced.

The present invention is not limited to the above embodiments and can be variously modified and implemented by those skilled in the art without departing from the technical gist of the present invention.

Claims (5)

Introducing a first conveyor roller, a second conveyor roller spaced apart from the first conveyor roller, a stepless filtration belt rotating over the first and second conveyors, and a wastewater filtrate over the stepless filtration belt. A wastewater inlet pipe, a filtrate discharge pipe positioned below the endless filter belt between the first and second conveyor rollers, and fine particles accumulated near the first conveyor roller and stacked on the endless filter belt, are separated from the endless filter belt. It comprises a scraper for dropping and the screw press for discharging the debris separated from the endless filter belt by the scraper to the outside while removing the filtrate, A compression roller mechanism configured to face each other with the endless filter belt interposed therebetween is further installed in order to make a fine contaminant accumulated on the endless filter belt in the form of a cake, and the compression roller mechanism includes first and second compression rollers. And the endless filter belt passes between the first compression roller and the second compression roller. delete delete delete delete

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