KR100993588B1 - Water treatment filter using renewable filter media - Google Patents

Abstract

PURPOSE: A filtering device for water treatment is provided to repeat play and repeat use of the water treatment filtering material. CONSTITUTION: A water processing treatment filtering device adds a constant compressive force to a water processing filtering member(1,2) with a plurality of filtering non-woven piece(1a) or microfilament yarn piece(2a) filled inside the hosing when filtering the water and make the water to pass through a micro pores formed between a pluralith of filtering non-woven piece or microfiber pieces in state of uniformly comprised the plurality of filtering non-woven piece or micro piece to filter-process the sludge or residue and suspended solid included under water conveniently and to cancel the compressive force in water filtering member after filtering the constant amount of water. And to supply backwashing water having constant water pressure and washing agent capable of washing the sludge or residue and suspended material and compressive air in state of expanding the volume of the compressed water filtering member to completely remove the sludge or residue and suspended material which is accumulated to the micro air gap between a plurality of filtering non-woven piece or microfiber piece.

Description

Water treatment filter using renewable filter media {Water treatment filter using renewable filter media}

The present invention relates to a filtration device for water treatment using a filter material for reproducible regeneration, and more particularly, comprising a plurality of filtration nonwoven fabrics or microfiber flakes, when a certain compressive force is applied, between a plurality of filtration nonwoven fabrics or microfiber flakes. When the compression is released uniformly to form fine pores in the releasing and the compressive force is released again provides a water treatment filtration device using the filter medium for water treatment configured to dismantle the pores formed between a plurality of non-woven woven fabrics or microfiber pieces as the volume expands again. Thus, during filtration of water, a plurality of filtrations are uniformly compressed by applying a constant compressive force to the water treatment filter material consisting of a plurality of filtration nonwoven fabrics or microfiber flakes filled in the housing. Nonwoven Engraving Through the fine pores formed between the microfiber pieces to pass the water to be treated to easily filter the sludge, debris and suspended matter contained in the water, and after filtering a certain amount of water to the filter medium for water treatment A large number of nonwoven fabrics for filtration are provided by supplying backwash water and compressed air with a constant water pressure to clean the sludge, debris and suspended solids while releasing the applied compressive force to expand the volume of the compressed water treatment filter material. Or it is possible to completely remove the sludge or debris and suspended matter accumulated in the fine pores between the microfiber pieces to enable repeated regeneration and repeated use of the filter medium for water treatment.

Generally, a filter for water treatment for filtering sludge or debris contained in the water is installed inside the water treatment filtration apparatus used to purify water, sewage, sewage, wastewater, groundwater and seawater.

Conventional water treatment filter media installed in such a water treatment filtration device is a cartridge-type filter medium made of a cylindrical shape by winding a yarn made of polyester material tightly or cylindrically laminated by a plurality of filter papers or non-woven fabric cut into a ring shape. Was mainly used.

However, the conventional cartridge-type filter medium configured as described above is mainly used for one-time use, and thus can not be regenerated anymore, so it cannot be used repeatedly, and additional costs are required for disposal, as well as environmental pollution as industrial waste. There was a problem that caused.

The present invention is to solve the above problems, it consists of a plurality of filtration non-woven fabrics or microfiber pieces when applying a constant compression force is uniformly compressed and compressive force to form a fine void between a plurality of filtration non-woven fabrics or microfiber pieces In the case of releasing the water, it provides a water treatment filtration device using a water treatment filter material configured to dissolve pores formed between a plurality of filtration nonwoven fabric pieces or microfiber pieces as the volume expands again, thereby filling the inside of the housing during filtration of water. A fine compression formed between a plurality of filtering nonwoven pieces or microfiber pieces while uniformly compressing the plurality of filtering nonwoven pieces or microfiber pieces by applying a predetermined compressive force to a plurality of filtering nonwoven fabric pieces or microfiber pieces. Wife through the gap Through the desired water, the sludge, debris and suspended solids contained in the water can be easily filtered, and after filtering a certain amount of water, the compressive force applied to the water filter medium is released to remove the compressed water treatment filter material. Sludge accumulated in fine pores between a number of filtration nonwoven fabrics or microfiber chips by supplying backwash water and compressed air with a constant hydraulic pressure to clean and disinfect sludge, debris and suspended solids in the inflated volume. The technical problem is to enable the regeneration and repeated use of the filter medium for water treatment, so that it can completely remove the residue and suspended matter.

The present invention for achieving the above technical problem is the upper surface is opened and the lower surface is made of a closed cylindrical shape, the outer peripheral surface of the upper surface opening portion is formed with a flange for the cover plate coupling is provided with a housing provided with a plurality of support legs on the lower surface The upper both sides of the outer side of the housing, the raw water inlet pipe and the backwash water discharge pipe are respectively installed, the lower side of the outer surface is purified water discharge pipe is installed, the bottom of the inner bottom surface drain pipe is installed to protrude outward and the bottom of the bottom drain pipe On one side, a backwash water supply pipe having a branched backwashing air supply pipe is installed on one side, and a strainer mounting plate having a plurality of threaded holes formed therethrough is fixedly horizontally spaced at a predetermined height from the inner bottom of the housing at an inner lower portion of the housing. Of the strainer mounting plate fixed to the inner lower part of the housing. In the upper part, the filter medium compression pipe of the inverted truncated conical shape is narrowly installed toward the lower part, and the perforated plate for the filter medium having the filter medium catching net is provided on the inner lower part of the filter medium compression pipe at a constant height from the upper surface of the strainer mounting plate. Horizontally spaced apart from each other, the filter medium compression pipe is filled with a water treatment filter material consisting of a plurality of nonwoven fabric pieces for filtration or a water treatment filter material consisting of a plurality of microfiber pieces for filtration, and filled inside the filter medium compression pipe. The upper part of the filter medium for water treatment is formed through the plurality of screw holes in the upper surface and the filter medium compression plate formed to be convex downward in the center portion is inserted to be movable up and down, the screw hole and the filter medium compression formed through the strainer mounting plate The upper part of the threaded hole formed in the plate is located on the outer circumferential surface. A plurality of strainers in which a fastening tube is protruded are respectively screwed into a lower portion of the conical collecting portion provided with a slit groove of the screw, and a cover plate having an air discharge pipe is coupled to one side of an upper surface of the cover coupling flange of the housing. The upper surface center portion is characterized in that the end of the piston rod protruding to the lower surface of the cover plate is configured so that the compression plate lifting cylinder coupled to the upper surface center portion of the filter medium compression plate vertically fixed.

The filtration device for water treatment according to the present invention configured as described above applies a certain compressive force to a filtration material for water treatment consisting of a plurality of filtration nonwoven fabric fragments or microfiber flakes filled in the housing during filtration of a plurality of nonwoven fabric filtration pieces. Alternatively, the sludges, debris and suspended solids contained in the water can be easily filtered by passing water to be treated through a plurality of filtration nonwoven fabric pieces or micropores formed between the microfiber pieces while the microfiber pieces are uniformly compressed. After filtration of a certain amount of water, the squeezing force applied to the water treatment filter medium is released, and a cleaning agent capable of decomposing and cleaning sludge, debris and suspended solids while expanding the volume of the compressed water treatment filter medium is fixed. Multiple filtration by supplying backwash water and compressed air with hydraulic pressure Since sludge, debris and suspended matter accumulated in the fine pores between the nonwoven fabric fragments or the microfiber fragments can be completely removed, there is an effect of enabling repeated regeneration and repeated use of the filter medium for water treatment.

Hereinafter, the present invention for achieving the above object will be described in detail with reference to FIGS. 1 to 7.

1 is an exploded perspective view showing a filtration device for water treatment according to the present invention, Figure 2 (a) (b) is an explanatory view showing a water treatment filter material used in the filtration device for water treatment according to the present invention, Figure 3 4 is an explanatory view showing an embodiment of the water treatment filtration device according to the present invention, Figure 4 is an explanatory view showing this embodiment of the water treatment filtration device according to the present invention, Figure 5 is a filtration device for water treatment according to the present invention. 6 is an explanatory view showing a three embodiment of the present invention, Figure 6 is an explanatory view showing a filtration process of the water treatment filtration device according to the present invention, Figure 7 is an explanatory view showing a regeneration process of the filter medium of the water treatment filtration device according to the present invention. .

As shown in FIG. 2, the filtration apparatus for water treatment according to the present invention has an upper surface of which is opened and a lower surface of which is in a closed cylindrical shape. The outer side is provided with the housing 4 in which the several support leg part 4b was provided.

Raw water inlet pipe (5) and backwash water discharge pipe (6) are respectively installed on the upper sides of the outer surface of the housing (4), purified water discharge pipe (7) is installed on one lower side of the outer surface, the center of the inner bottom The bottom drain pipe 8 is installed to protrude outward and downward, and one side of the bottom drain pipe 8 is provided with a backwash water supply pipe 9 in which a backwash air supply pipe 9a is branched on one side.

The inner lower part of the housing 4 is horizontally fixed so that the strainer mounting plate 10 having a plurality of threaded holes 10a formed therethrough is spaced apart from the inner bottom of the housing 4 by a predetermined height.

The upper portion of the strainer mounting plate 10 fixed to the inner lower portion of the housing 4 is fixed to the filter medium compression tube 11 formed in the shape of an inverted truncated conical cone, the inner diameter is narrowed toward the lower portion, the filter medium compression tube 11 Inner lower portion is provided with a filter medium supporting plate 12 having a filter medium catching net 12a on the upper surface horizontally spaced apart from the upper surface of the strainer mounting plate 10 by a predetermined height.

As shown in (a) of FIG. 2, the filter medium compression pipe 11 includes a water treatment filter material 1 or a filter material for water treatment consisting of a plurality of nonwoven pieces 1a for filtration. As described above, the filter medium for water treatment 2 composed of a plurality of microfiber pieces 2a is filled.

At this time, the filter medium for water treatment (1) (2) filled in the inside of the filter medium compression pipe 11 is composed of a plurality of nonwoven fabric pieces (1a) or microfiber pieces (2a) for filtration and apply a plurality of compressive forces when Evenly compressed to form a fine void between the filtration nonwoven fabric (1a) or microfiber flakes (2a), and when releasing the compressive force, a plurality of filtration nonwoven fabric (1a) or microfiber (2a) as the volume expands It is configured to dissolve the fine pores formed between the).

As the filtration nonwoven fabric 1a or the microfiber scrap 2a constituting the filter medium 1 for water treatment, it is possible to use a filtration nonwoven fabric or a microfiber made of various materials, Poly is widely used as a filter to prevent the filter medium from being contaminated by sludge, debris and suspended solids contained in the water, and to prevent the filter medium from being damaged by acidic or basic cleaning chemicals used to clean the filter medium. It is preferable to cut a nonwoven fabric or microfiber made of propylene or polyester material into a certain size or length.

The nonwoven fabric pieces 1a for filtration constituting the water treatment filter medium 1 can be formed in various shapes such as polygons, circles, or ovals, but are easily floated by the water pressure of the backwash water supplied when the filter medium is washed. It is preferable to form a rectangular shape of approximately horizontal 2mm, vertical 1.5mm each having a thickness of about 0.1mm so as to be released.

In addition, the water treatment filter material (1) consisting of a plurality of filter nonwoven fabric pieces (1a) of the water treatment filter material is a fine void formed between the plurality of filter nonwoven fabric pieces (1a) and each filter nonwoven fabric pieces when applying a compressive force. Since the filtration is performed by the fine pores formed on the surface of (1a), it is possible to effectively filter out sludge, debris and suspended solids contained in the water, and the filter medium for water treatment consisting of a plurality of microfibers for filtration (2a) 2) is filtered by the fine pores formed between a plurality of microfibers for filtration (2a) when applying a compressive force, so that it can more effectively filter out the fine particles of sludge or debris contained in the water do.

In addition, the filter medium for water treatment (1) (2) is able to adjust the size of the fine pores formed between the plurality of filtration nonwoven fabric (1a) or microfiber (2a) to 0.5㎛ ~ 50㎛ depending on the degree of compression Therefore, the filtration capacity can be freely adjusted according to the type of water to be treated, and when releasing the compressive force, the volume expands again, and as the voids formed between the plurality of filtration nonwoven fabrics or microfiber fragments are dismantled, sludge or debris and Sludge accumulated in the fine pores between a number of filtration nonwoven fabric pieces (1a) or microfiber pieces (2a) through a backwashing process that supplies decomposing and cleaning materials for suspended solids and backwashing water with constant water pressure and compressed air. It is possible to completely remove the debris and suspended solids, it is possible to repeat regeneration and repeated use.

The upper part of the filter medium compression pipe (11) filled with the filter medium for water treatment (1) (2) is formed through the plurality of screw holes (13a) on the upper surface and the filter medium formed convex downward in the center of the filter medium pressing portion (13b) The compression plate 13 is installed to be movable up and down.

At this time, the filter medium compression plate 13 is configured such that the filter medium pressing portion 13b is formed to be convex downward in the center portion to apply a uniform pressure to the filter medium for water treatment filled in the filter medium compression pipe 11. In this way, if the filter medium compression portion 13b in the central portion is applied to the filter medium for water treatment filled in the inside of the filter medium compression pipe 11 by using the filter medium compression plate 13 formed convex downward. The central part and periphery of the water treatment filter medium filled in the filter medium compression pipe 11 are uniformly compressed as a whole so that the filtration performance is increased at the center and the periphery of the water treatment filter medium filled in the filter medium compression pipe 11 when the water is filtered. The difference can be prevented.

In addition, the upper portion of the screw hole (10a) formed through the strainer mounting plate 10 and the screw hole (13a) formed through the filter medium compression plate 13 has a conical collecting portion having a plurality of slit grooves (14a) on the outer circumferential surface thereof. A plurality of strainers 16 in which the fastening tube part 15 protrudes from the lower part of 14 are screwed respectively.

At this time, the strainer 16 is installed on the strainer mounting plate 10 and the filter medium compression plate 13, the water passes through a plurality of slit grooves 14a provided on the outer circumferential surface of the conical collecting portion 14, It is designed to filter out debris or suspended matter contained in water.

The strainer 16 configured as described above includes a nonwoven fabric fragment 1a or microfiber fragment 2a for filtration constituting the filter material 1 and 2 for filtering water and suspended matter contained in the water to be purified. To prevent discharge with water.

In addition, a cover plate 17 having an air discharge pipe 17a is coupled to one side of an upper surface of the housing coupling portion 4a of the cover 4, and a cover plate 17 of the upper surface of the cover plate 17. The end of the piston rod (18a) protruding to the lower surface of the () is configured so that the compression plate lifting cylinder 18, which is coupled to the center of the upper surface of the filter medium compression plate 13 is fixed vertically.

At this time, as the compression plate lifting cylinder 18, a hydraulic cylinder or a pneumatic cylinder is used depending on the quality of the raw water to be treated.

The water treatment filtration device according to the present invention configured as described above is classified into three types according to the water treatment filter material filled in the inside of the filter medium compression pipe 11 fixed to the inner lower portion of the housing 4.

One embodiment of the water treatment filtration device using the water treatment filter medium of the present invention, as shown in Figure 3, a plurality of filtration for the inside of the filter medium compression pipe 11 is fixed to the inner lower portion of the housing (4) It is comprised so that the filter medium 1 for water treatment which consists of a nonwoven fabric piece 1a may be filled.

Water treatment filtration device according to an embodiment of the present invention configured as described above for the water treatment filled in the filter medium compression pipe 11 by the filter medium compression plate 13 is lowered by the compression plate lifting cylinder (18). When a uniform compressive force is applied to the filter medium 1, the filtration is performed by minute pores formed between the plurality of pieces of the woven nonwoven fabric 1a for filtering, thereby filtering out relatively large particles of sludge or debris contained in the water. Mainly used.

And, this embodiment of the water treatment filtration device using the water treatment filter medium of the present invention, as shown in Figure 4, a plurality of inside the filter medium compression pipe 11 is fixed to the inner bottom of the housing (4) It is comprised so that the filter medium for water treatment 2 which consists of the microfiber pieces 2a for filtration may be filled.

Water treatment filtration device according to this embodiment of the present invention configured as described above for the water treatment filled in the filter medium compression pipe 11 by the filter medium compression plate 13 is lowered by the compression plate lifting cylinder (18). When a uniform compressive force is applied to the filter medium 2, the filtration action is performed by minute pores formed between the plurality of microfibers for filtration 2a, so that the sludge or debris contained in the water is relatively small as well as relatively large particles. It is mainly used to filter out particles.

And, a third embodiment of the water treatment filtration device using the water treatment filter medium of the present invention, as shown in Figure 5, a plurality of inside the filter medium compression pipe 11 is fixed to the inner bottom of the housing (4) A water treatment filter material 1 consisting of a filtration nonwoven fabric piece 1a and a water treatment filter material 2 consisting of a plurality of filtration microfiber pieces 2a are filled to form an upper and lower layers.

The water treatment filtration device according to the third embodiment of the present invention configured as described above is for water treatment filled in the inside of the filter medium compression pipe 11 by the filter medium compression plate 13 descending by the compression plate lifting cylinder 18. When a uniform compressive force is applied to the filter medium (1) and (2), relatively large particles of sludge or debris contained in the water are formed between the fine pores formed between the plurality of pieces of the filtering nonwoven fabric 1a of the filter medium for water treatment (1a). It is primarily filtered by fine pores formed on the surface of the nonwoven fabric piece 1a, and only relatively small particles of sludge or debris contained in the water are placed between the plurality of filtration microfiber pieces 2a of the water treatment filter material 2a. Secondary filtering is performed by the fine pores formed, so that sludges, debris and suspended solids contained in the water can be more efficiently filtered.

Referring to the assembly and operation of the water treatment filtration device using the water treatment filter medium of the present invention configured as described above with reference to the three embodiments as follows.

In order to assemble a filtration device for water treatment according to the present invention, first, as shown in FIGS. 2 and 3, a plurality of microfibers for filtration inside a filter medium compression pipe 11 fixed to an inner lower portion of the housing 4 are first installed. A water treatment filter material 2 consisting of pieces 2a and a water treatment filter material 1 consisting of a plurality of pieces of nonwoven fabric for filtering 1a are sequentially filled.

At this time, the amount of the water treatment filter medium (1) (2) filled in the filter medium compression pipe 11 of the housing 4 is adjusted according to the quality and quantity of raw water to be treated.

Subsequently, the piston rod 18a of the compression plate elevating cylinder 18 installed perpendicular to the upper surface center of the cover plate 17 on the upper portion of the filter medium for water treatment 1 filled in the filter medium compression pipe 11. After inserting the filter medium compression plate 13 coupled, the assembly of the cover plate 17 is easily completed by coupling the cover plate 17 to the cover portion flange portion 4a of the housing 4.

In order to purify water, sewage, wastewater, groundwater, seawater, etc. using the filtration device for water treatment according to the present invention assembled as described above, the cover plate 17 as shown in FIG. Water treatment consisting of a plurality of filtration nonwoven fabric pieces 1a filled in the filter medium compression pipe 11 by lowering the filter medium compression plate 13 by using the compression plate lifting cylinder 18 installed at the center of the upper surface of the filter medium compression pipe 11. The filter medium for water treatment 2 consisting of the filter medium for water 1 and a plurality of microfiber pieces for filtration 2a is uniformly compressed at a constant pressure. At this time, the degree of compression of the filter medium (1) (2) for water treatment compressed by the filter medium compression plate 13 can be freely adjusted according to the water quality and quantity of raw water to be treated.

Subsequently, the water treatment filter material 2 consisting of a plurality of filtration nonwoven fabric pieces 1 a filled in the filter medium compression pipe 11 and a plurality of filtration microfiber pieces 2 a are disposed. When the raw water to be treated is introduced into the housing 4 through the raw water inlet pipe 5 in a uniformly compressed state at a constant pressure, the raw water introduced into the housing 4 is filtered. Passed through a plurality of strainers (16) installed in the water treatment filter medium (1) (2), wherein a plurality of sludges, debris and suspended solids contained in the raw water in the water treatment filter medium (1) is compressed After being primarily filtered by the fine pores formed between the filtration nonwoven fabric pieces 1a and the fine pores formed on the surface of each nonwoven fabric piece 1a, a plurality of filtration microfibers of the water treatment filter material 2 Between pieces (2a) As the secondary filter is filtered by fine pores formed in the purified water, the purified water is provided on the lower side of the outer side of the housing 4 through the plurality of strainers 16 installed on the strainer mounting plate 10. It can be discharged to the outside through the discharge pipe (7).

When the water purification process as described above is repeated, fine pores and water treatment formed between the plurality of filtration nonwoven fabric pieces 1a of the water treatment filter material 1 compressed by the sludge, debris and suspended matter contained in the raw water. As the fine pores formed between the plurality of microfiber pieces 2a for filtration of the filter medium 2 are almost blocked, the filtration capacity is limited, and thus the filtration capacity of the compressed water treatment filter medium 1 and 2 is When the limit is reached, the water purification process is stopped and the filter medium is regenerated to restore the filtering capacity of the filter medium.

In order to regenerate the water treatment filter material filled in the water treatment filtration device according to the present invention, as shown in FIG. 7, the filter medium using the compression plate lifting cylinder 18 provided in the center of the upper surface of the cover plate 17. The pressing plate 13 is raised from the top of the filter medium compression pipe 11 to a certain height. When the filter medium pressing plate 13 is raised, the compressive force applied to the water treatment filter medium 1 and 2 is released. .

As such, the filter medium compression plate 13 is raised to release a predetermined amount of pressure through the backwash water supply pipe 9 branched to one side of the bottom drain pipe 8 in a state in which the compressive force applied to the water treatment filter medium 1 and 2 is released. The cleaning chemical is injected into the inner bottom part of the housing 4, and then left for a certain time to accumulate sludge, dregs and flotation accumulated in the fine pores between the plurality of filtration nonwoven fabric pieces 1a and microfiber pieces 2a by the cleaning chemicals. When the material is decomposed and then supplied with backwash water having a constant water pressure through the backwash water supply pipe 9 to the inner bottom of the housing 4, the backwash water is compressed inside the filter medium compression pipe 11 by the water pressure of the backwash water. As the filter medium for water treatment (1) (2), which had been in a closed state, expands in volume while being separated from the filter medium compression pipe (11), the voids formed between the plurality of filtration nonwoven pieces (1a) or microfiber pieces (2a) are dismantled. do.

Subsequently, when compressed air is supplied through the branched backwashing air supply pipe 9a of the backwashing water supply pipe 9, a plurality of pieces of nonwoven fabric for filtration are generated by bubbles generated by the hydraulic pressure of the backwashing water and the compressed air. Sludge, debris and suspended matter trapped between (1a) and microfiber scrap (2a) are separated from the plurality of filtration nonwoven fabric pieces (1a) and microfiber scrap (2a), and the upper part of the outer surface of the housing (4) together with backwashing water. It is discharged through the backwash water discharge pipe (6) installed on one side.

At this time, in order to increase the washing efficiency of the water treatment filter medium (1) (2) by the backwash water, the filter medium compression plate (13) is repeatedly lowered at a low speed to supply the backwash water to the filter medium (1) (2). Repeating the compression and unwinding, it is possible to more effectively wash the sludge or debris between the plurality of filtration nonwoven fabric (1a) and microfiber (2a).

In addition, even if the mechanical washing process is repeated as described above, if the mechanical filter value (1) (2) is no longer cleaned cleanly, the cover plate (17) by separating the filter medium compression plate (13) After lifting, washing the filter medium (1) (2) by hand using a detergent for washing by hand can wash the filter medium (1) (2) for water treatment even more cleanly.

As described above, the filtration device for water treatment according to the present invention releases the compressive force applied to the water treatment filter material (1) (2) during cleaning to expand the volume of the compressed water treatment filter material (1) (2) for filtration. In the state that the voids formed between the nonwoven fabric pieces 1a or the microfiber pieces 2a are dismantled, a plurality of cleaning chemicals capable of dissolving and cleaning sludge, debris and suspended solids, and backwash water and compressed air having a constant water pressure are supplied. It is possible to completely remove sludge, debris and suspended matter accumulated in the fine pores between the filtration nonwoven fabric fragment (1a) and the microfiber fragment (2a), so that the regeneration and repeated use of the filter medium (1) (2) for water treatment is possible. Done.

1 is an exploded perspective view showing a filtration device for water treatment according to the present invention.

Figure 2 (a) (b) is an explanatory view showing a water treatment filter medium used in the water treatment filtration device according to the present invention.

3 is an explanatory view showing an embodiment of a filtration device for water treatment according to the present invention.

4 is an explanatory view showing this embodiment of a filtration device for water treatment according to the present invention.

5 is an explanatory view showing a third embodiment of a filtration device for water treatment according to the present invention.

6 is an explanatory view showing a filtration process of the filtration device for water treatment according to the present invention.

7 is an explanatory diagram showing a regeneration process of the filter medium of the filtration device for water treatment according to the present invention.

<Explanation of symbols for main parts of drawing>

DESCRIPTION OF SYMBOLS 1 Filter material for water treatment 1a Piece of nonwoven fabric for filtration

2: filter medium for water treatment 2a: microfiber flakes for filtration

4 housing 4a flange part for cover plate coupling

5; Raw water inflow pipe 6: backwash water discharge pipe

7: purified water discharge pipe 8: bottom drain pipe

9: backwash water supply pipe 9a: backwash air supply pipe

10: strainer mounting plate 10a: screw hole

11: filter medium compression pipe 12: porous plate for filter medium support

12a: filter medium caught network 13: filter medium compression plate

13a: screw hole 13b: filter medium pressing portion

14: conical collecting part 14a: slit groove

15: fastening pipe 16: strainer

17: cover plate 17a: air discharge pipe

18: cylinder for compression plate lifting 18a: piston rod

20: Filtration device for water treatment

Claims (3)

The upper surface is opened and the lower surface is formed in a closed cylindrical shape. The outer peripheral surface of the upper surface opening portion is provided with a cover plate coupling flange portion 4a, and a housing 4 provided with a plurality of support leg portions 4b is provided on the outer surface of the lower surface. , Raw water inlet pipe (5) and backwash water discharge pipe (6) are respectively installed on the upper sides of the outer surface of the housing (4), purified water discharge pipe (7) is installed on the lower side of the outer surface and the bottom drain pipe in the center of the inner bottom (8) is installed to protrude outward and downward, and one side of the bottom drain pipe (8) is provided with a backwash water supply pipe (9) branched with a backwash air supply pipe (9a) on one side, The inner lower part of the housing 4 is horizontally fixed to the strainer mounting plate 10 through which a plurality of threaded holes 10a are formed so as to be spaced apart from the inner bottom of the housing 4 by a constant height. The upper portion of the strainer mounting plate 10 fixed to the inner lower portion of the housing 4 is fixed to the filter medium compression tube 11 having an inverted truncated conical shape, the inner diameter of which narrows toward the lower portion is fixed and installed inside the filter medium compression tube 11. In the lower part, the filter medium supporting plate 12 having the filter medium catching net 12a on the upper surface is horizontally installed to be spaced at a predetermined height from the upper surface of the strainer mounting plate 10, Inside the filter medium compression pipe 11 is filled with a water treatment filter material (1) consisting of a plurality of nonwoven fabric pieces 1a for filtration, The upper part of the filter medium for water treatment 1 filled in the filter medium compression pipe 11 is formed through the plurality of screw holes (13a) on the upper surface and the filter medium formed convex downward in the center of the filter medium pressure portion (13b) Compression plate 13 is inserted and installed to move up and down, The conical water collecting part 14 is provided with a plurality of slit grooves 14a on the outer circumferential surface of the screw hole 10a formed through the strainer mounting plate 10 and the screw hole 13a formed through the filter medium compression plate 13. A plurality of strainers 16 having a fastening pipe part 15 protruding from the lower part thereof are screwed, respectively, The cover plate 17 having the air discharge pipe 17a is coupled to the cover coupling flange portion 4a of the housing 4, and the bottom surface of the cover plate 17 is located at the center of the top surface of the cover plate 17. The repeatable renewable water treatment filter medium, characterized in that the compression plate lifting cylinder 18 is coupled to the upper end of the piston rod (18a) protruding to the center of the upper surface of the filter medium compression plate 13 is installed vertically fixed Filtration device for water treatment using. The upper surface is opened and the lower surface is formed in a closed cylindrical shape. The outer peripheral surface of the upper surface opening portion is provided with a cover plate coupling flange portion 4a, and a housing 4 provided with a plurality of support leg portions 4b is provided on the outer surface of the lower surface. , Raw water inlet pipe (5) and backwash water discharge pipe (6) are respectively installed on the upper sides of the outer surface of the housing (4), purified water discharge pipe (7) is installed on the lower side of the outer surface and the bottom drain pipe in the center of the inner bottom (8) is installed to protrude outward and downward, and one side of the bottom drain pipe (8) is provided with a backwash water supply pipe (9) branched with a backwash air supply pipe (9a) on one side, A strainer mounting plate 10 having a plurality of threaded holes 10a formed therethrough is horizontally fixed to the inner bottom of the housing 4 so as to be spaced apart from the inner bottom of the housing 4 by a predetermined height. The upper portion of the strainer mounting plate 10 fixed to the inner lower portion of the housing 4 is fixed to the filter medium compression tube 11 having an inverted truncated conical shape, the inner diameter of which narrows toward the lower portion is fixed and installed inside the filter medium compression tube 11. In the lower part, the filter medium supporting plate 12 having the filter medium catching net 12a on the upper surface is horizontally installed to be spaced at a predetermined height from the upper surface of the strainer mounting plate 10, Inside the filter medium compression pipe 11 is filled with a filter medium for water treatment (2) consisting of a plurality of microfiber pieces (2a) for filtration, The upper portion of the filter medium for water treatment 2 filled in the filter medium compression pipe 11 is formed through the plurality of screw holes (13a) on the upper surface and the filter medium compression formed by the filter medium pressing portion (13b) convex downward in the center The plate 13 is inserted and installed to be movable up and down, The conical water collecting part 14 is provided with a plurality of slit grooves 14a on the outer circumferential surface of the screw hole 10a formed through the strainer mounting plate 10 and the screw hole 13a formed through the filter medium compression plate 13. A plurality of strainers 16 having a fastening pipe part 15 protruding from the lower part thereof are screwed, respectively, The cover plate 17 having the air discharge pipe 17a is coupled to the cover coupling flange portion 4a of the housing 4, and the bottom surface of the cover plate 17 is located at the center of the top surface of the cover plate 17. Repeating renewable filter for water treatment, characterized in that the end plate of the piston rod (18a) protruding into the compression plate lifting cylinder 18, which is coupled to the center of the upper surface of the filter medium compression plate 13 is fixed vertically installed Filtration device for water treatment using. The upper surface is opened and the lower surface is formed in a closed cylindrical shape. The outer peripheral surface of the upper surface opening portion is provided with a cover plate coupling flange portion 4a, and a housing 4 provided with a plurality of support leg portions 4b is provided on the outer surface of the lower surface. , Raw water inlet pipe (5) and backwash water discharge pipe (6) are respectively installed on the upper sides of the outer surface of the housing (4), purified water discharge pipe (7) is installed on the lower side of the outer surface and the bottom drain pipe in the center of the inner bottom (8) is installed to protrude outward and downward, and one side of the bottom drain pipe (8) is provided with a backwash water supply pipe (9) branched with a backwash air supply pipe (9a) on one side, The inner lower part of the housing 4 is horizontally fixed to the strainer mounting plate 10 through which a plurality of threaded holes 10a are formed so as to be spaced apart from the inner bottom of the housing 4 by a constant height. The upper portion of the strainer mounting plate 10 fixed to the inner lower portion of the housing 4 is fixed to the filter medium compression tube 11 having an inverted truncated conical shape, the inner diameter of which narrows toward the lower portion is fixed and installed inside the filter medium compression tube 11. In the lower part, the filter medium supporting plate 12 having the filter medium catching net 12a on the upper surface is horizontally installed to be spaced at a predetermined height from the upper surface of the strainer mounting plate 10, The filter medium for water treatment (1) consisting of a plurality of nonwoven fabric pieces (1a) for filtering and the water treatment filter material (2) consisting of a plurality of microfiber pieces (2a) for filtration form an upper and lower layer inside the filter medium compression pipe (11). Is charged, The upper part of the water treatment filter material (1) filled in the filter medium compression pipe 11 is formed through the plurality of screw holes (13a) on the upper surface and the filter medium compression formed in the center convex downwardly the filter medium pressing portion (13b) The plate 13 is inserted and installed to be movable up and down, The conical water collecting part 14 is provided with a plurality of slit grooves 14a on the outer circumferential surface of the screw hole 10a formed through the strainer mounting plate 10 and the screw hole 13a formed through the filter medium compression plate 13. A plurality of strainers 16 having a fastening pipe part 15 protruding from the lower part thereof are screwed, respectively, The cover plate 17 having the air discharge pipe 17a is coupled to the cover coupling flange portion 4a of the housing 4, and the bottom surface of the cover plate 17 is located at the center of the top surface of the cover plate 17. The repeatable renewable water treatment filter medium, characterized in that the compression plate lifting cylinder 18 is coupled to the upper end of the piston rod (18a) protruding to the center of the upper surface of the filter medium compression plate 13 is installed vertically fixed Filtration device for water treatment using.

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