KR100557985B1 - A wastewater filtering equipment - Google Patents

Abstract

The present invention relates to a wastewater treatment apparatus capable of filtering and dewatering and compressing suspended solids contained in industrial wastewater or domestic sewage, in particular, having a simple structure and miniaturization, high suspended solids removal efficiency, and Not only is it possible to dewater suspended solids, it does not require a primary sedimentation basin, and it relates to wastewater and sewage filtration systems with low initial investment.

The wastewater and sewage treatment apparatus according to the present invention, in the wastewater and sewage filtration apparatus, has a predetermined receiving space, a raw water inlet pipe is formed on one side, the lower case is provided with an upper cover to open and close the upper; A rotary filtration filter in the form of a conveyor belt installed obliquely in the lower case; A filter drive motor for rotating a plurality of rollers and drive rollers supporting both ends and a stop of the rotary filtration filter; And a compression screw that is rotated by a compression device drive motor and compresses the suspended solids conveyed while the filtered water is discharged by the rotary filtration filter.

Overflow, Rotary filter, Filter network, Filter cleaning means, Compression screw

Description

Wastewater and sewage filtering equipment

1 is a front view showing a state in which one side of the waste water and sewage filtration device is removed in accordance with the present invention,

Figure 2 is a right side view showing a state in which one side of the wastewater and sewage filtration apparatus removed according to the present invention,

3 is a front view showing the wastewater and sewage filtration apparatus according to the present invention,

Figure 4 is a left side view showing the wastewater and sewage filtration apparatus according to the present invention,

5 is a plan view showing a waste water and sewage filtration apparatus according to the present invention,

6 is a perspective view showing a part of the filtration filter installed in the waste water and sewage filtration apparatus according to the present invention,

7 is a perspective view showing a part of the filtration filter guide means of the wastewater and sewage filtration apparatus according to the present invention,

8 is a perspective view illustrating a filtration filter driving roller and a guide roller of a wastewater and sewage filtration device according to the present invention;

Figure 9 is a perspective view showing an example of the sediment stirred air inlet pipe installed in the waste water and sewage filtration apparatus according to the present invention.

* Description of Signs of Major Parts of Drawings *

10: lower case 11: upper cover 12: raw water inlet pipe

13: flow rate relaxation plate 14: odor discharge pipe 15a: overflow water level control plate

20: rotary filter 20a: filter network 20b: mesh guide belt

20c: timing belt 21: filter support 22: lower filter support

23a: filter driving roller 23aa: timing pulley 23ab: mesh guide roller

23ac: rotating shaft 23b: underwater guide roller 23c: upper guide roller

23d: tensioning roller 30: drive support

41: overflow discharge pipe 42: sediment stirred air injection pipe

43: filter washing air supply pipe 44: filter washing air suction pipe

45: washing water supply pipe 46: filtered water discharge pipe

50: scraper 60: compression screw

61: compressor washing device 62: floating material compression plate

63: suspended solids outlet 64: filtered water discharge pipe

65: compression force adjustment spring 66: suspended solid filter plate

100: suspended solids reservoir 211: filter driving guide plate

212: sealing plate 213: sealing support plate

214: fixing bolt 230: filter drive motor

600: Compressor drive motor

The present invention relates to a wastewater treatment apparatus capable of filtering and dewatering and compressing suspended solids contained in industrial wastewater or domestic sewage. More specifically, the structure is simple and can be miniaturized so that it can be installed in a small space. The present invention relates to a wastewater and sewage filtration apparatus without trouble.

In addition, the present invention relates to a wastewater and sewage filtration apparatus having high suspended solids removal efficiency, capable of dehydration of the collected suspended solids and suppressing the occurrence of odors, eliminating the need for a primary settling basin, and having a low initial investment. .

As the industry develops, the living environment is improving day by day, but the side effects are considerable.

Among these side effects are, in particular, pollution of the water quality and the soil resulting from the discharge of industrial and domestic wastewater.

Many regulatory and cleanup facilities are available to address these issues.

The equipment used for the treatment of wastewater or sewage is composed of crude wood screen, sedimentation tank, detail screen, and primary sedimentation battery to remove water suspended in wastewater or sewage in order to purify water, and to treat industrial wastewater. Settling tanks and other filtration screens and flow control tanks are further installed for purification.

Such a conventional filtration screen is constructed and operated in a state in which a filtration media is fixed or attached in a fixed form, and is used to remove solids (limited to comparatively very large materials) at an early stage. It is a very limited technology that cannot remove the relatively fine solids that require treatment and advanced treatment, and requires a lot of site, large facility cost, and additional facilities due to the complex operating system.

The present invention has been made to improve the above-mentioned conventional problems, and does not discriminate large solids and relatively fine solids at a time without any distinctive selection for solids of sewage, sewage, and industrial wastewater. It consists of a rotating filtration filter that can be removed and continuously washes contaminated filtration filters to prevent clogging of the filtration network, improving the efficiency of removing foreign substances such as suspended solids, and reducing wastewater and sewage. It is an object to provide a filtration device.

In addition, the present invention is the waste water and sewage filtration to facilitate the treatment of suspended solids by compressing foreign matters such as suspended solids detached from the rotating filtration filter with a compression screw attached to the bottom to remove the moisture to discharge the solids It is an object to provide a device.

An object of the present invention as described above, in the waste water and sewage filtration apparatus, having a predetermined receiving space, a raw water inlet pipe is formed on one side, the lower case is provided with an upper cover to open and close the upper; A rotary filtration filter in the form of a conveyor belt installed obliquely in the lower case; A filter drive motor for rotating a plurality of rollers and drive rollers supporting both ends and a stop of the rotary filtration filter; It is made by a waste water and sewage filtration device, characterized in that it comprises a compression screw rotated by a compression device drive motor to compress the suspended matter transported in the state in which the filtered water is discharged by the drive of the rotary filtration filter.

Hereinafter, an example of wastewater and sewage filtration apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a front view showing one side case of the wastewater and sewage filtration apparatus according to the present invention removed, Figure 2 is a right side view showing a state of one side case of the wastewater and sewage filtering apparatus according to the present invention, Figure 3 is a front view showing a wastewater and sewage filtration apparatus according to the present invention, Figure 4 is a left side view showing a wastewater and sewage filtration apparatus according to the present invention, Figure 5 shows a wastewater and sewage filtration apparatus according to the present invention. 6 is a perspective view showing a part of a filtration filter installed in the wastewater and sewage filtration apparatus according to the present invention, and FIG. 7 shows a part of the filtration filter guide means of the wastewater and sewage filtration apparatus according to the present invention. 8 is a perspective view illustrating a filtration filter driving roller and a guide roller of a wastewater and sewage filtration apparatus according to the present invention.

As shown, the wastewater and sewage filtration apparatus according to the present invention is configured by installing a rotary filtration filter 20 in the form of a conveyor belt inclined inside the lower case 10 having a predetermined accommodation space.

In addition, one side of the rotary filtration filter 20 is provided with a compression device for compressing the foreign matter such as suspended matter discharged from the filtered water by the filter to discharge to the solid body.

The lower case 10 is configured in a predetermined cylindrical shape as shown in Figures 1 to 5, one side is provided with a raw water inlet pipe 12 through which wastewater or sewage raw water flows, a part of the upper surface The upper cover 11 was hingedly fixed to the incised and dissected parts so as to observe the inside or to repair each device or component installed therein.

One side of the upper surface of the lower case 10 is further provided with a malodorous discharge pipe 14 to be able to discharge the odor generated from the waste water and sewage stored therein.

Inside the raw water inlet pipe 12 of the lower case 10, as shown in Figure 1, the flow rate slowing plate 13 is installed to be perpendicular to the raw water inlet pipe 12.

The flow rate relaxation plate 13 is a plate for mitigating when the inflow rate of the raw water flowing into the raw water inlet pipe 12 is fast, and the incoming water is changed to flow down through the flow rate relaxation plate 13d. .

On the surface facing the filter of the flow rate relaxation plate 13 is provided a overflow plate 15 which is bent in a "┛" shape and whose height is adjusted.

The overflow plate 15 is a means for preventing the overflow of the lower case 10 because the amount of raw water introduced through the raw water inlet pipe 12 is too slidably installed The overflow water level can be adjusted, and the overflowed raw water is transferred to a predetermined storage tank through the overflow discharge pipe 41 installed inside the space formed by the flow rate slowing plate 13 and the flow rate control plate 15.

In addition, the lower side of the lower case 10 is further provided with a precipitate stirring air inlet pipe 42 for supplying air for suspended in the precipitate contained in the filtered water filtered by the rotary filtration filter 20 to be described later. It is.

As shown in FIG. 9, the precipitate-stirred air inlet pipe 42 is a tube in which a plurality of vent holes 42a are formed on a wall, and the air supplied from an air generator (not shown) is stored in the lower case 10. It is supplied to the filtrate to stir the precipitate contained in the filtrate to be suspended.

A stop of the lower case 10, that is, a stop of the rotary filtration filter 20 which will be described later as a portion slightly higher than the precipitated agitated air supply pipe 42, is provided with a filtered water discharge pipe 46 for discharging the filtered water to the outside. .

As shown in FIG. 1, the rotary filtration filter 20 installed in the lower case 10 configured as described above is inclined as a filtration filter having a structure similar to a conveyor belt.

One end of the rotary filtration filter 20, that is, the end facing the portion where the raw water inlet pipe 12 of the lower case 10 is formed and the opposite side is installed to have a high inclination so that one end is locked in the filtered water. Is installed.

The lower supporter 22 is installed between one end of the rotary filtration filter 20 which is installed in the filtrate and the lower case 10 so that the space of the lower case 10 is provided by the rotary filtration filter 20. It is configured to be separated up and down.

As shown in FIG. 6, the rotary filtration filter 20 is formed by installing two belts 20b and 20c on both edges in the longitudinal direction of the filtration net 20a.

The filter net 20a is a net in which a water hole is commonly used to filter suspended matter, and the filtered water is discharged downward.

The two belts 20b and 20c respectively installed at both edges of the filtering net 20a are constituted by a mesh guide belt 20b and a timing belt 20c, and the mesh guide belt 20b has a flexible filtering net 20a. ) Is installed at the edge toward the outside of the filter net (20a) having a long ring shape as a means to maintain the width and shape, the timing belt (20c) drives the rotary filter filter 20 is installed obliquely A number of gear teeth are formed so that they can be rotated by the timing pulley 23aa formed in the filter driving roller 23a described later as a means for making it.

The rotary filtration filter 20 has rollers 23a and 23b installed at both ends thereof, respectively, and rotated by the rotation of the rollers 23a and 23b. As shown in FIG. It may be composed of a horizontal portion, the upper guide roller (23c) is installed in the portion facing the outward portion of the inclined portion and the horizontal portion is continued so that the filter filter 20 can be rotated in the continuous state of the inclined portion and the horizontal portion. Under the upper guide roller 23c, a tension adjusting roller 23d for adjusting the tension of the bent filtration filter 20 is installed.

The tension adjusting roller (23d) is installed so as to move toward the upper guide roller (23c) as shown and adjust the tension of the filter 20 by elastically supporting the outside of the filtration filter (20). .

One end of the rotary filtration filter 20, in particular, the filter driving roller 23a installed higher than the surface of the filtered water is a roller that provides power to directly rotate the rotary filtration filter 20, as shown in FIG. 8. It is constructed by providing a network guide roller 23ab and a timing pulley 23ac at 23ac.

The timing pulley 23ac is a pulley having a gear tooth engaged with the gear tooth formed on the timing belt 20c. The timing filter 20c rotates the filtration filter 20 by rotating the timing belt 20c.

The mesh guide roller 23ab supports the filtering net 20a bent in an arc as a means for supporting the filtering net 20a so that the filtering net 20a is kept flat.

The rotating shaft of the filter driving roller 23a is connected to the driving shaft of the filter driving motor 230 and rotates by driving the motor.

In addition, at both edges in the longitudinal direction of the rotary filtration filter 20 configured as described above, filtration filter guide means configured as shown in FIG. 7 is provided.

The filtration filter guide means is a means for guiding the filtration net 20a of the rotary filtration filter to be rotated in a tense state, and a sealing support plate 213 fixed to an inner wall of the lower case 10 and the sealing support plate ( 213 is fixed to the upper portion of the sealing plate 212 for preventing foreign matter flows to both edges of the rotary filter filter 20, and fixedly installed at the end of the sealing plate 212, the rotary filter ( It is composed of a filter plate guide plate 211 of a long plate-shaped groove formed to surround the upper portion of the mesh guide belt (20b) installed on both ends of the 20.

The rotary filtration filter 20 is installed at both ends of the rotary filtration filter 20 between the mesh guide belt 20b of the filtration filter guide means configured as described above and a driving device support 30 on which a driving device such as a motor is installed. The mesh guide belt 20b and the timing belt 20c are installed, and both ends of the filtration filter 20 are pulled by the filtration filter guide means so that the filtration network 20a is rotated while being in a tense state. .

The lower part of the horizontal part of the rotary filtration filter 20 is further provided with a filter cleaning means for separating the foreign matter adhering to the filter net 20a portion which transported foreign substances such as suspended matters from the filter net.

The filter cleaning means is installed in the rotary filtration filter 20, the washing water supply pipe 43 for spraying water toward the filtration network 20a, and the filter washing for sucking the suspended matter adhered to the outer surface of the filtration network 20a The air suction pipe 44 and the filter washing air supply pipe 45 which is provided inside the filter net 20a and injects high pressure air into the filter net are comprised.

Each of the tubes 43, 44, 45 has a plurality of holes formed in the direction toward the filter.

In addition, a portion of the outer circumferential surface of the rotary filtration filter 20 is perpendicular to the rotation direction of the filtration filter 20, and a scraper 50 is provided.

The scraper 50 is installed in a state adjacent to the outer surface of the rotary filtration filter 20 as a means for scraping off the suspended matter attached to the filter network (20a).

A compression screw 60 for compressing and discharging the foreign matter discharged is installed at the end of the rotary filtration filter 20, that is, the lower portion of the foreign matter such as the suspended floating material.

The compression screw 60 is rotated by the compression device drive motor 600 as shown in Figure 2 as a means for conveying the discharged suspended material to one side and pressurized to make a solid body.

A compression device is installed at the outlet side end of the compression screw 60.

The compression device is installed in parallel with the lower end of the compression screw 60, as shown in Figure 2 to filter the water contained in the suspended solids conveyed by the compression screw 60 filtered water discharge pipe installed below the ( Floating material filter plate 66 for discharge to the 64, and one end is fixed to the hinge and the other end is pulled by the compression force adjustment spring 65 to pressurize the suspended solids conveyed by the compression screw 60 to make a solid body It is configured to include a floating material compression plate 62 to be discharged to the floating material discharge pipe 63 formed below.

The suspended solids filter plate 66 is a plate body having a plurality of water holes, and discharges only the filtered water to the lower side, and foreign substances such as suspended substances are transferred to the suspended solids compression plate 62.

The floating material compression plate 62 is pulled by adjusting the length of the compression force adjustment spring 65 as described above, the floating material is pushed by the compression screw 60 and the floating material compression plate ( It is pressurized by the force pushed by 62) and the water is discharged and becomes a solid body and is discharged through the floating material discharge pipe 63.

An upper portion of the compression device is further provided with a compression device washer for cleaning the interior of the compression device.

The compressor washing machine is composed of a washing water spray pipe for spraying the washing water toward the inside of the compression device.

Reference numeral 100 denotes a suspended solids storage container in which suspended solids discharged are stored.

Hereinafter, a driving example of the wastewater and sewage filtration apparatus configured as described above will be described.

When raw water containing foreign matter is introduced through the raw water inlet pipe 12 formed at one side of the lower case 10, the incoming raw water falls on the flow rate relaxation plate 13 to fall in a relaxed state.

The dropped raw water falls to the lower end of the rotary filtration filter 20 and moves upward by the rotation of the rotary filtration filter 20.

At this time, the filtered water is discharged to the bottom of the lower case 10 by the filtering network 20a constituting the rotary filtration filter 20, and foreign matter such as suspended matter moves to the horizontal side of the rotary filtration filter 20. Discharged.

Foreign matter such as suspended matter falling from the rotary filtration filter 20 is moved toward the compression device by the compression screw 60.

The foreign matter moved toward the compression device passes through the suspended solid filter plate 66 installed under the end of the compressed screw 60, and the filtered water is discharged again, and the pressure applied to the foreign matter by the driving of the compressed screw 60 and the compressed substance compressed plate The foreign matter is discharged through the suspended matter discharge port 63 in a compressed state by the pressure applied by the 62.

In the above process, the filtrate is discharged through the filtrate discharge pipe 46 and the precipitate that has settled in the filtrate stored in the lower case 10 is stirred by the air injected by the precipitate stirring air inlet pipe 42 to be suspended again and suspended. The precipitate is attached to the filter net of the rotary filter 20 is filtered again.

Wastewater and sewage filtration device according to the present invention configured as described above is not easy to maintain and simplify the overall configuration by not using a fine screen, sedimentation tank and concentration equipment and auxiliary equipment used in various wastewater and sewage treatment facilities But it can be provided at low cost.

In addition, it is possible to remove large solids and relatively fine solids at one time without distinguishing them, and it is composed of a rotating filtration filter to continuously clean the contaminated filtration filter to improve the removal efficiency of foreign substances such as suspended solids. It can be installed in a small space by miniaturizing the device.

Claims (10)

In wastewater and sewage filtration apparatus, A lower case having a predetermined accommodation space and having a raw water inflow pipe formed at one side thereof, and having an upper cover installed at an upper portion thereof so as to be openable and closed; A rotary filtration filter in the form of a conveyor belt installed obliquely in the lower case; A filter drive motor for rotating a plurality of rollers and drive rollers supporting both ends and a stop of the rotary filtration filter; And a compression screw which is rotated by a compression device drive motor and compresses the suspended solids transported while the filtered water is discharged by the rotary filtration filter. According to claim 1, wherein the inner side of the lower portion of the raw water inlet pipe is formed, the flow rate relaxation plate for reducing the flow rate of waste water or sewage flowing through the raw water inlet pipe is installed to be perpendicular to the raw water inlet pipe, the case Waste water and sewage filtration device, characterized in that the odor discharge pipe is further installed in part of the upper surface of the communication. According to claim 1, wherein the rotary filtration filter is configured by installing a timing belt formed with a mesh guide belt and gear teeth for supporting a flexible filtering net at both edges in the longitudinal direction of the mesh-shaped filter net, the mesh guide belt is directed toward the outside Is installed at the edge of the face, the timing belt is configured to be installed on each of the edge of the face toward the inside, The drive rollers are provided with timing pulleys each having gear teeth engaged with gear teeth formed on the timing belt at both ends of the rotation shaft connected to the drive shaft of the filter drive motor, and at least one filter net guide roller for supporting the filter net is provided therein. Waste water and sewage filtration device, characterized in that configured. The filter of claim 1 or 3, wherein the rotary filtration filter comprises an inclined portion formed inclined and a horizontal portion formed horizontally on an upper end of the inclined portion, and the lower end of the inclined portion is interviewed with a filter lower support installed on an inner wall of the lower case. It is installed, one side of the inclined portion and the horizontal portion is further provided with a tension control roller is configured to maintain a sufficient tension of the filter filter, the lower portion of the horizontal filter filter means for washing the filter net is further installed Wastewater and sewage filtration apparatus. According to claim 4, wherein the filter cleaning means is installed in the rotary filtration filter washing water supply pipe for spraying water toward the filter network; A filter washing air suction pipe for sucking suspended substances adhered to the outer surface of the filtering network; The wastewater and sewage filtration apparatus is installed in the filtering network, characterized in that comprises a filter washing air supply pipe for injecting high pressure air to the filtering network. 6. The waste water and sewage filtration apparatus as claimed in claim 5, wherein the filter cleaning means further comprises a scraper for scraping off the suspended matter attached to the outer circumferential surface of the rotary filtration filter. According to claim 1, The discharge port side end of the compression screw is provided with a case having a predetermined receiving space and a compression device for compressing the suspended matter discharged therein is further provided, The compression device is installed in parallel with the lower end of the compression screw and suspended solids filter plate for filtering the water contained in the suspended solids conveyed by the compression screw to discharge to the filtered water discharge pipe installed below; A floating material compression plate which is fixed at one end by a hinge and the other end is pulled by the compression force adjusting spring to pressurize the floating material conveyed by the compression screw to make a solid body and to be discharged to the floating material discharge pipe formed below; Wastewater and sewage filtration device, characterized in that consisting of a compression device washer to wash off the remaining suspended matter. According to claim 1 or 3, wherein the rotary filter is further provided with filter guide means for smooth driving of the filter at both edges, The filter guide means includes a sealing support plate fixed to the inner wall of the lower case; A sealing plate fixed to an upper portion of the sealing support plate to prevent foreign substances from flowing to both edges of the rotary filtration filter; It is fixed to the end of the sealing plate, waste water and sewage filtration device characterized in that it consists of a long plate-shaped filter running guide plate with a groove to surround the upper portion of the mesh guide belt installed on both ends of the rotary filtration filter. The waste water and sewage filtration according to claim 1, wherein a lower portion of the rotary filter of the lower case is further provided with a precipitate-stirred air inlet pipe for supplying high-pressure air to the filtrate filtered by the rotary filter so that the precipitate is suspended. Device. According to claim 2, The lower part of the case facing the filter of the flow rate relaxation plate installed in the feed water inlet pipe of the lower plate is further installed so as to be connected to the flow rate relaxation plate for discharging excessively introduced raw water, Wastewater and sewage filtration apparatus, characterized in that the discharge discharge pipe for discharging the raw water is installed in the interior of the space made by the loosening plate and the discharging plate, and the overflow level control plate is further installed on the discharging plate to adjust the level of the flowing water. .

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