KR100773510B1 - Construction method of rapid filter system - Google Patents

Abstract

A method for constructing perforated blocks in a rapid filter basin is provided to prevent mortar from being injected into the opening by installing a bar-shaped finishing material in an opening formed between an integral media support cap and the cut face of the finish block before finishing a cut face of a finish block with an end plate when constructing a hydro perforated block in the rapid filter basin. In a construction method of a hydro perforated block(110) formed by joining an inflow block, a standard block(113) and a finish block(115) in an underdrain system of a rapid filter basin, a method for constructing perforated blocks in the rapid filter basin comprises the steps of: cutting the finish block and an IMS(integral media support) cap according to the size of the filter basin; joining the IMS cap with an upper part of the cut finish block; installing a finishing material(140) in an opening(115b) formed between the IMS cap and a cut face of the finish block; and adhering an end plate(130) onto the cut face of the finish block to seal the cut face of the finish block.

Description

Construction method of perforated block of rapid filter paper {Construction Method of Rapid Filter System}

1 is a block diagram illustrating a general wastewater / water treatment process.

2 is a perspective view for explaining a general filter paper structure.

Figure 3 is a plan view showing a hydro pore block construction of the prior art.

Figure 4 is an exploded perspective view showing the construction structure of a hydroporous block of the prior art.

Figure 5 is a perspective view showing the construction of the prior art hydro hole block construction.

Figure 6 is a main sectional view showing a state in which mortar is injected into the gap with the IMS cap during the construction of the hydro-hole block of the prior art.

Figure 7 is an exploded perspective view showing the construction structure of the hydro-pore block according to the present invention.

8 is a perspective view showing the construction of the hydro-pore block according to the present invention.

Figure 9 is a front construction state diagram of a hydropore block according to the present invention.

Figure 10 is a side construction state of the hydro-pore block according to the present invention.

<Description of the symbols for the main parts of the drawings>

5: filter paper 110: hydro pore block

111: inlet block 113: standard block

115: finishing block 115a: orifice hole

115b: crevice 120: IMS cap

130: end plate 140: finish

150: mortar

The present invention relates to a method for constructing a hydroperforated block of rapid filtration paper, and more specifically, to an IMS cap (Integral Media Support cap: heat-treated plastic beads of high density polyethylene material) before finishing the cut surface of the finished block with an end plate. The present invention relates to a method for constructing a porous filter block for rapid filter paper by installing a rod-like finish in the gap between the joint part and the joint part thereof.

In general, a water purification plant is a water purification facility for supplying purified water to a drinking water source after receiving purified water through a predetermined water treatment process after receiving raw water consisting of oh and waste water, as shown in FIG. As described above, the impingement well (1) for physically precipitating foreign matter contained in the raw water, the miscellaneous paper (2) for mixing the raw water treated in the impingement water (1) with water treatment chemicals, and the mixed paper (2) a flocculation paper (3) for forming flocculated floc from raw water combined with water treatment chemicals, and a floc (4) for causing floc (floc) formed in the flocculation paper (3) to naturally settle by precipitation; The filter paper 5 for filtering raw water from which floc has been removed from the sedimentation basin 4 and disinfecting chemicals such as chlorine are added to the raw water filtered out of the filter media 5 and finally purified and supplied to a home. It consists of water purification paper (6) All.

Figure 2 is a perspective view for explaining the structure of a general filter paper, as shown in the figure, the lower collecting device, that is, the hydro hole block 10 and the hole at the bottom of the filter paper 5 to be supplied with raw water from the sedimentation basin (4) On the block 10, a media layer (filtration layer made of sand, activated carbon, anthracite, etc.) is provided. The hydro pore block 10 forms a conduit for performing the role of equally distributing air and water during the water collecting function and backwashing of the filtered water, which is manufactured as a unit block having a substantially rectangular tube shape and installed in series.

Such filter paper 5 is backwashed for effective life extension and effective filtration. For this purpose, the backwashing air is supplied through the pore block 10 to disturb the surface of the filter medium. A low-speed water backwash is used to fluidize the entire media, and finally a high-speed backwash is used to transfer the suspended solids off the media to the trap. At this time, the suspended matter passed to the trap is designed to be discharged on the slope of the trap.

The hole block 10 is made of a synthetic resin material, the block itself is light, easy to construct and does not require a separate pressure chamber can make the filter structure shallow, and can be constructed flat, a series of perforated blocks ( 10) form a plurality of block rows to be arranged continuously in the transverse direction at the bottom of the filter paper (5).

In order to supply the back air to the hydro-pore block 10 of the filter paper 5, a plurality of air distribution pipes 8 and air are injected into the water distribution pipe 7 at the bottom of the lower collecting device bottom filter paper. The air supply header pipe 9 to be installed.

Figure 3 is a plan view showing the construction of the conventional hydro-pore block, the hydro-hole block 10 of the prior art as shown in the drawing is the inlet block 11, the standard block 13 and the finishing block according to the installation position (15) In the order of construction.

At this time, the inlet block 11 is to form a start end of the hole block row, the passage is formed in the back surface air and backwash water flows.

In addition, the standard block 13 is installed between the inlet block 11 and the closing block 15, which is the end of the filter paper, both ends are made of a male and female coupling structure, it is possible to connect a long section repeatedly. The inflow block 11 and the standard block 13 are generally manufactured and used as a single piece having a size of 270 (W) x 1224 (L) x 340 (H).

In the prior art as described above, when the bottom length of the filter paper 5 does not exactly match the unit length of the hole block 10, the length of the finishing block 15 is adjusted, and the finishing block 15 has a general size. Standard block 13 is used to cut to fit the filter paper (5) size.

Figure 4 is an exploded perspective view showing the construction of the hydroporous block of the prior art, Figure 5 is a combined perspective view showing the construction of the hydroporous block of the prior art.

As shown in the figure, the standard block 13 is cut and used as a finishing block 15. An IMS cap 20 is installed on the finishing block 15 to replace the gravel layer, and the finishing block ( The end plate 30 is coupled to the cut surface of 15) to finish.

However, in the above-described conventional technique, a gap 15b is generated between the end plate 30 and the IMS cap 20, and the gap 15b is formed by the mortar 50 when the mortar works after the hole block 10 is installed. There was a problem of forming an injection path.

6 is a cross-sectional view showing the main part of the mortar is injected into the gap with the IMS cap during the construction of the hydro-hole block of the prior art, due to the injection of the mortar (50) of the hydro-hole block 10 as shown in the figure The orifice hole 15a is clogged, which causes the normal filtration process to be disturbed, and there is a problem in that sufficient backing of the air and water is not evenly distributed during the backwashing process, thereby reducing the backwashing efficiency.

An object of the present invention for solving the problems of the prior art is a rod-shaped finish member in the gap formed between the coupling portion with the IMS cap before finishing the cutting surface of the finishing block to the end plate during the construction of the hydroperforated block of rapid filter paper It is to provide a method for constructing a porous block of rapid filter paper to prevent the injection of mortar by installing a.

In the construction method of the porous filter block of the rapid filter paper according to the present invention for achieving the above object in the construction method of the hydro-pore block made of a combination of the inlet block, the standard block and the finishing block of the lower collecting device of the rapid filter, the finish Cutting the block and the IMS cap to the size of the filter paper; Coupling an IMS cap to an upper portion of the cut block; Installing a finishing material in a gap formed between the IMS cap and the cut surface of the finishing block; And bonding the end plates to seal the cut surface of the finishing block.

Here, the closing block and the IMS cap may be cut in a coupled state, and the finishing block may be installed before the closing block and the IMS cap are combined.

The finishing material may be manufactured in the shape of a rectangular bar, or may be made of a high density polyethylene material.

The finishing material for the construction of the perforated block of the rapid filter paper according to the present invention, when the construction of the hydroperforated block of the rapid filter paper consisting of a combination of the inlet block, the standard block and the finish block, to prevent the mortar is injected into the finish block and the IMS block Finishing material is inserted into the gap formed between the cut surface of the cap, characterized in that the finishing material is produced in the form of a rod of a rectangular parallelepiped made of high density polyethylene.

Hereinafter, with reference to the accompanying drawings for a preferred embodiment of the present invention will be described in detail.

Figure 7 is an exploded perspective view showing the construction of the hydro-pore block according to the present invention, Figure 8 is a combined perspective view showing the construction of the hydro-hole block according to the present invention, Figure 9 is a hydro-perforated block according to the present invention Figure 10 is a front construction state diagram, Figure 10 is a side construction state diagram of a hydro pore block according to the present invention.

Referring to the porous block construction method of the rapid filter paper according to the present invention as shown in the Figure, first, the inlet block 111, the standard block 113, the finishing block 115 in the bottom of the filter paper in the order of the perforated block 110 ) Are assembled to each other and then the IMS cap 120 is installed on the top.

At this time, the inlet block 111 forms the start end of the hole block row, the inlet passage 111a of the backwash air and the backwash water is formed on the bottom surface.

In addition, the standard block 113 is installed between the inlet block 111 and the finishing block 115 which is the end of the filter paper, both ends are made of a male and female coupling structure, it is possible to connect a long section repeatedly.

The inflow block 111 and the standard block 113 are generally manufactured and used as a unit block having a size of 270 (W) × 1224 (L) × 340 (H).

The interior of the hole block 110 as described above partitions the dispersion chamber and the water supply chamber for equally supplying the backwash air and the backwash water, and forms a myriad of orifice holes 115a in the upper portion.

The hole block 110 is light, easy to construct and does not require a separate pressure chamber, so that the filter paper structure can be made shallow, there is an advantage that can be constructed flat.

In addition, the IMS (Integral Media Support) cap 120 is manufactured by bonding heat-treated plastic beads of high density polyethylene (HDPE) material to be installed on the upper surface of the hole block in place of the existing gravel layer.

In this case, the finishing block 115 is to be constructed as the inlet block 111 and the standard block 113 and the remaining cut-off section, the length is cut according to the size of the filter paper (5). At this time, the length of the IMS cap 120 coupled to the top of the closing block 115 is also cut to match the length of the closing block 115.

Then, the finishing block 140 and the gap between the cut surface of the IMS cap 120 is formed to be installed so that the finishing material 140 is filled in the gap 115b is coupled.

At this time, it is possible to cut in a state in which the closing block 115 and the IMS cap 120 is coupled, and before the closing block 115 and the IMS cap 120 may be coupled to the finish material 140 may be installed in advance. have. Here, the finishing material 140 may be manufactured in the shape of a rod of a rectangular parallelepiped, and may be manufactured using a high density polyethylene (HDPE) material.

Next, the end plate 130 is bonded to seal the cut surface of the finishing block 115. The end plate 130 is bonded to the front end of the inlet block 111 is finished.

Then, the finishing block 115 combined as described above is assembled to the standard block 113 and the inlet block 111 and to be installed on the bottom of the filter paper (5). At this time, the installation sequence is installed in order from the inlet block 111, the back washing inlet 111a is formed on the filter paper (5) wall.

Then, the mortar 150 is injected into the gap between the gap between each of the hole blocks 111, 113, and 115 and the filter paper wall, thereby finishing. Such, mortar 150 to fill up to the upper space of the hole blocks 111, 113, 115, the mortar 150 is between the hole blocks 111, 113, 115 and the hole block 111 (113) 115 and the filter paper (5) serves to firmly fix the wall.

After the mortar 150 is cured, the filter layer (sand, activated carbon or anthracite, etc.) is introduced into the IMS cap 120.

The present invention having the configuration and operation as described above may be variously modified and changed by those skilled in the art through the various embodiments described above. Therefore, the true technical scope of the present invention should not be limited to the contents described in the detailed description of the specification, but should be defined by the claims.

The present invention is a method of constructing a hydroperforated block of rapid filter paper, to prevent the injection of mortar by installing a rod-like finish in the gap between the coupling portion and the IMS cap before finishing the cutting surface of the finishing block with the end plate. As a result, the blockage of the orifice hole in the hole block is prevented, thereby improving the filtration efficiency of the filter paper.

Claims (6)

In the construction method of the hydro perforated block consisting of a combination of the inlet block, the standard block and the finishing block in the lower collecting device of the rapid filter paper, Cutting the finishing block 115 and the IMS cap 120 to fit the size of the filter paper 5; Coupling the IMS cap 120 to an upper portion of the cut finishing block 115; Installing a finishing material 140 in a gap 115b formed between the IMS cap 120 and the cut surface of the finishing block 115; And Bonding the end plates 130 to seal the cut surface of the finishing block 115; Perforated block construction method of rapid filter paper comprising a. The method of claim 1, Porous block construction method of the rapid filter paper, characterized in that the finishing block 115 and the IMS cap 120 is cut in a combined state. The method according to claim 1 or 2, Porous block construction method of the rapid filter paper, characterized in that the finishing material 140 is installed before the closing block 115 and the IMS cap 120 is coupled. The method of claim 1, The finishing material 140 is a porous block construction method of the rapid filter paper, characterized in that produced in the shape of a rectangular bar. The method of claim 1, The finishing material 140 is a porous block construction method of rapid filter paper, characterized in that made of a high density polyethylene material. During construction of the hydroperforated block of rapid filter paper consisting of a combination of the inlet block, the standard block and the closing block, formed between the closing block 115 and the cut surface of the IMS cap 120 to prevent mortar from being injected into the finishing block. Finishing material 140 to be inserted into the gap (115b) is installed, the finishing material for perforated block construction of the rapid filter paper, characterized in that the manufacturing of the finishing material 140 in the form of a rectangular parallelepiped rod.

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