KR102032930B1 - FRP tank sewage treatment equipment - Google Patents

Abstract

Disclosed is a sewage treatment device using a fiberglass reinforced plastic (FRP) tank. The sewage treatment device using the FRP tank comprises: the FRP tank made of an FRP material; a partition for separating an interspace of the FRP tank; a scripture plate for blocking the left and right of the FRP tank; and a steel reinforcing ring installed on the inner edge of the FRP tank.

Description

FRP tank sewage treatment equipment}

The present invention relates to a sewage treatment apparatus, and more particularly, to a sewage treatment apparatus using an FRP (Fiberglass Reinforced Plastics) tank.

Sewage treatment equipment is a device that reduces the amount or concentration by using a variety of treatment methods (physical, chemical, biological) in order to remove contaminants contained in domestic sewage.

Such sewage treatment apparatus includes a flow rate adjustment tank, a reaction tank, a treatment tank, a discharge tank and the like.

The flow rate adjustment tank performs a flow rate adjustment function to buffer the variation of the inflow rate by storing the waste water for a predetermined time during the inflow of sewage and wastewater.

The reactor decomposes organic and inorganic substances using suspended growth microorganisms, which are biological treatment methods, of the pollutants introduced. In addition, the treated water is separated into solids and discharged in a subsequent process.

The treatment tank stores the treated water in the reactor for a certain time so that continuous discharge is possible if there is a subsequent process (filtration and advanced treatment facilities).

Discharge water tank is a tank that can check and confirm discharge water quality and manage it.

Recently, the FRP tank (tank) has been used in a variety of sewage treatment facilities, at this time to open a part of the upper part of the FRP tank to install a manhole for inspection. This will cause deformation and safety problems of FRP tanks in the future, which requires more rigid strength and safety of manholes.

In the FRP tanks, the bulkhead is used to differentiate the water tanks for the sewage treatment, and various levels of water level change are implemented. However, due to the poor strength of the bulkhead, tearing occurs, and thus, proper sewage treatment performance is often not exhibited. In addition, the bottom portion of the partition wall and the FRP tank junction is formed at a right angle to accumulate sludge (microorganisms) and dead zones (dead zones) are formed to finally impair sewage treatment performance.

Korea Patent Office Registered Patent Publication No. 10-1231210 (2013.02.07.) Korea Patent Office Registered Patent Publication No. 10-1124497 (2012.03.16.)

The present invention has been made to solve the above problems, and an object thereof is to provide an FLP tank sewage treatment apparatus having an improved structure.

FLP tank sewage treatment apparatus according to the present invention for achieving the above object

In the FLP tank sewage treatment apparatus composed of a manhole portion and a plurality of water tanks,

FRP tanks made of FRP;

A partition wall for separating an inner space of the FRP tank to form a water tank;

A hard plate for blocking left and right of the FRP tank; And

Steel reinforcing ring is installed on the inner edge of the FRP tank to prevent deformation and strength of the FRP tank;

It includes.

Here, the between the hard plate and the partition and the FRP tank is characterized in that bonded to the FRP material.

Here, the partition wall is characterized in that it further comprises a vertical reinforcement and horizontal reinforcement in the form of a pipe.

 Here, it characterized in that it further comprises a haunch reinforcement provided in the vertical junction between the partition and the FRP tank.

Here, the steel reinforcement ring is characterized in that installed at least 1.5m intervals.

Here, the steel reinforcement ring is characterized in that it further comprises a glass chopped strand mat covering the steel reinforcement ring to be separated from the sewage.

Here, the bottom of the FRP tank is installed on the portion where the steel reinforcing ring is installed, characterized in that it further comprises a PE material pedestal for supporting the FRP tank.

Here, the FRP tank is

A primary molding layer in which a glass chop, a first roving, a glass chopped strand mat, and a second roving are laminated and molded so that their widths overlap one by one in order; And

The glass chop, the first roving, the glass chopped strand mat, and the second roving are laminated on the upper part of the first molded layer in order to overlap the width by 1/2. Secondary molded layer;

Characterized in that it comprises a.

Here, the primary molded layer and the secondary molded layer is characterized in that the cross-molded in different directions.

Here, the overall thickness of the FRP tank is 10mm, the primary shaping layer is a glass chop, the first roving, glass chopped strand mat, the second roving is overlapped in half to form a 5mm thickness, the The secondary shaping layer is characterized in that the glass chops, the first roving, the glass chopped strand mat, the second roving is stacked in half and stacked to form a 5mm thickness.

The present invention is installed within the steel reinforcement ring within 1.5M to reinforce the strength weakened by the manhole portion to maximize the deformation prevention and strength of the tank. In particular, the steel reinforcing ring has excellent strength, but corrosion may occur due to sewage, so it is completely separated from sewage by using glass chopped strand mat, which ensures durability.Glass chopped strand mat with a width of 100mm or more after thorough braiding to prevent peeling Lay it on top of the steel reinforcement ring and the joint to be more than 4mm thick.

The present invention solves the problem that the bulkhead is torn and deformed by reinforcing two or more steel reinforcement bars in the horizontal direction and two or more vertical directions to secure the strength of the partition wall.

The part where the bulkhead is installed is laminated with a glass chopped strand mat having a width of 300 mm or more to be 4 mm or more in thickness. In addition, a triangular haunch reinforcement is bonded to the vertical junction between the bulkhead and the FRP tank to improve strength and prevent microbial dead zones, thereby improving sewage treatment performance.

1 is a perspective view showing the appearance of the FLP tank sewage treatment apparatus according to the present invention.
2 shows a cross-sectional configuration of the FRP tank.
3 is a perspective view showing the internal configuration of the apparatus shown in FIG.
4 is a perspective view showing a detailed configuration of the apparatus shown in FIG.
5 shows the front side of a partition.
6 shows the side of a partition.
Figure 7 shows a cross section of the vertical coupling between the bulkhead and the FRP tank.
8 is a cross-sectional view showing a coupling state between the steel reinforcing ring and the FRP tank.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in order to practice the invention. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the drawings, like reference numerals refer to like elements.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and operation of the present invention.

1 is a perspective view showing the appearance of the FLP tank sewage treatment apparatus according to the present invention.

Referring to FIG. 1, the FLP tank sewage treatment apparatus 100 according to the present invention includes an FLP tank 10, a manhole part 12, a sewage inflow pipe 14, and a pedestal 82.

The FRP tank 10 is a tank made of FRP. The sewage inflow pipe is a pipe for introducing the sewage.

2 shows a cross-sectional configuration of the FRP tank.

Referring to FIG. 2, the FRP tank 10 according to the present invention includes a primary shaping layer 72 and a secondary shaping layer 74.

The primary shaping layer 72 has a glass chop 52, a first roving 54, a glass chopped strand mat 56, and a second roving 58 in turn. It was laminated molding so that the width overlaps by 1/2.

Roving (54, 58) is a strand of alkali-free glass (coated by connecting the connecting material to the filament of glass, which means no kink) is tensioned and spun together, then wound into a cylindrical The thickness is about 310 to 9,60 tex (TEX: 1 g per 1,000 m as a unit of fiber thickness).

In addition, the glass chopped strand mat 56 cuts the strand of an alkali free glass about 50 mm, and piles it up in a uniform thickness without a fixed direction, and shape | mold in the shape of a mat using a binder.

The secondary shaping layer 74 has a glass chop 52, a first roving 54, a glass chopped strand mat 56 on top of the primary shaping layer 72. The second roving 58 is formed by lamination so that its width overlaps each other.

In particular, the secondary shaping layer 74 is staggered in the opposite direction in which the primary shaping layer 72 is wound.

Here, the overall thickness of the FRP tank 10 is 10mm, the primary shaping layer 72 is 5mm thick because the glass chop, the first roving, the glass chopped strand mat, the second roving are stacked in half and stacked. The second shaping layer 74 is formed of a glass 으로, the first roving, the glass chopped strand mat, the second roving is stacked in half and stacked to form a 5mm thickness.

3 is a cutaway view showing the internal configuration of the apparatus shown in FIG.

The internal space of the FRP tank 10 may be divided into a flow rate adjustment tank, a reaction tank, a treatment tank, a discharge tank, and the like to fit the SBR wastewater treatment process, and the partition wall 22 and the hard plate 32 are used for this purpose.

The partition wall 22 is to divide the compartment according to the required water tank capacity to distinguish the use for the process, the hard plate 32 is used for the left and right finish of the FRP tank 10.

In addition, the steel reinforcement ring 42 is joined to maximize the deformation prevention and strength of the FRP tank 10.

Figure 4 shows the installation state of the partition and the steel reinforcement ring.

After stacking the FRP tanks, the partition wall 22 is installed to separate the FRP tanks from the mandrel to meet the necessary tank applications.

In case of additional assembly of FRP material such as hard plate (convex front and back of tank, 32) and bulkhead 22 to the hardened FRP tank 10, it is attached by laminating using the same FRP instead of separate bond. do.

To this end, when the surface is roughened by sanding the joint, the resin and the hardener and the glass fiber (glass chopped strand mat) are completely infiltrated and the separation phenomenon does not occur when the material is hardened.

Specifically, after the partition 22 is pushed to a desired position inside the FRP tank 10 and first sanded on the inner surface of the FRP tank 10 to improve adhesion, the resin and glass chopped strand mat By using (24), the laminated molding is performed on the perpendicular surface where the partition wall 22 and the FRP tank 10 face each other.

Secondly, the haunch reinforcement 28 is fixed to the right and left portions of the partition wall 22 and the FRP tank 10 by fixing bolts on the left and right sides of the partition wall 22. That is, the haunch stiffeners 28 are respectively provided on the right and left sides of the bulkhead 22, where the inner wings of the bulkhead 22 and the haunch reinforcement members face each other, and the outside of the FRP tank 10 and the haunch reinforcement member 28. Fasten fixing bolts at intervals within about 1,000mm where the wings meet.

Referring to the left figure of FIG. 4, two or more rectangular (40 × 50 mm) steel reinforcing rods 26 are installed in the partition wall 22 in the vertical direction to prevent deformation due to the water level difference between the tanks. Install more than two to reinforce. At this time, in order to completely block the sewage, it is preferable to laminate the steel reinforcement 26 and its joint portion so that the glass chopped strand mat of width 100mm or more to 4mm or more in thickness. In addition, by joining the haunch reinforcement 28 in a triangle to the vertical junction between the partition 22 and the FRP tank 10 to improve the strength and prevent the microbial dead zone to improve the sewage treatment performance.

After fixing the haunch reinforcement 28, the resin and glass chopped strand mat are laminated and molded to a partition wall-hundred surface-RF tank in a thickness of about 4 mm or more. In this way, the fixing bolt does not come into contact with the sewage to prevent corrosion.

5 and 6 show the front and side surfaces of the partition wall, respectively.

5 and 6, by joining the haunch reinforcement 28 in a triangle to the vertical junction between the partition wall 22 and the FRP tank 10, it is intended to improve the strength and prevent the microbial dead zone. It can be seen.

Figure 7 shows a cross section of the vertical coupling of the partition and the haunch reinforcement.

Hatch reinforcement material 28 is formed by laminating a resin and a glass chopped strand mat on a portion where the partition wall 22 is in contact with the FRP tank 10 and forming a triangular shape between the partition wall 22 and the FRP tank 10. ), And fix the bolts to the bulkhead at about 8 places, 8 at the left side of the outer cylinder and 8 at the right side of the outer cylinder.

Referring again to the lower right figure of Figure 4, the steel reinforcing ring 42 is a circular rim installed in the FRP tank 10.

8 is a cross-sectional view showing a bonding state between the steel reinforcing ring and the FRP tank.

When the steel reinforcing ring 42 is installed, a sanding process is performed before joining to prevent separation of the FRP material. After sanding the width of the bonding surface to 100 ~ 300mm, using a glass chopped strand mat 44 to be laminated so as to have a thickness of 4mm or more. In particular, Ø50mm (diameter 50mm) circular steel reinforcement rings (42) should be installed at intervals within 1.5M to ensure deformation and strength of the cylinder.

In this case, the steel reinforcing ring 42 is laminated to be 4 mm or more in thickness by using a glass chopped strand mat 44 having a width of 100 mm or more in order to prevent oxidative corrosion due to sewage and wastewater.

In the plumbing process after assembling FRP tank 10, install water pipe, air supply pipe, angle, etc. in each tank and install with FRP, stainless steel (STS), or PVC (VG1) to prevent sewage and wastewater corrosion. The fixing bolt nut is made of stainless steel.

At least one manhole part 12 is installed in the upper part of the FRP tank 10 for the function tank inspection, and the size of the manhole part 12 maintains a neck portion 400 mm high at the upper part of the FRP tank 10. Allow at least 50mm to be exposed after the final backfill. In addition, the inspection lid shall be installed in one of 600 × 600mm, 600 × 1,200mm, and 1,100 × 1,200mm. At this time, in order to reinforce the open area of the manhole part 12, the FRP reinforcement angle is installed on the FRP tank 10, and the FRP angle is installed where it faces the manhole part 12, and the waterproofing agent (silicon, etc.) is applied and assembled.

The bottom of the FRP tank 10 is attached to the half-bolt pedestal 82 of the PE material of about 100mm in height to the steel reinforcing ring 42 to maintain the level of the sewage treatment device 10 during the field installation. This is easy to use a forklift when loading the finished vehicle FLP tank sewage treatment device 10 a mobile vehicle.

The FLP tank sewage treatment apparatus 10 according to the present invention has a circular structure as compared to a rectangular structure in the form of a concrete structure, and has excellent mixing power without generating a dead zone of microorganisms in biological treatment.

In the case of concrete structures, the retaining wall hunt is intended to overcome dead zones, but there are limitations when operating a sewage treatment facility. In addition, the sewage treatment facility of the structure of steel and stainless material has a disadvantage of being vulnerable to corrosion by salt and ammonia gas, but this FRP material is resistant to corrosion and has excellent durability and strength.

In addition, by 100% manufacturing in the factory simply install the finished product in the field, it is possible to realize the perfect construction performance because the problem does not occur due to direct construction and production on site.

As described above, the present invention has been described by specific embodiments such as specific components and the like, but the embodiments and drawings are provided only to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations are possible from these descriptions.

Accordingly, the spirit of the present invention should not be limited to the described embodiments, and all of the equivalents and equivalents of the claims, as well as the following claims, will fall within the scope of the present invention. .

10 ... RF tank 12 ... Manhole part
22 bulkhead 24 glass chopped strand mat
26 steel reinforcements 28 haunch reinforcements
32.Slat plate 42.Steel reinforcement ring
44..Glass chopped strand mat 82.
100 ... sewage treatment unit

Claims (10)

delete delete delete delete delete delete delete delete delete In the FLP tank sewage treatment apparatus composed of a manhole portion and a plurality of water tanks,
Configure the FRP tank made of FRP,
The FRP tank has a glass chop, a first roving, a glass chopped strand mat, and a second roving in a laminated manner so that the widths thereof overlap each other in half. Primary molding layer; And
And a second shaping layer formed by laminating the glass shaping, the first roving, the glass chopped strand mat, and the second roving by 1/2 on the upper portion of the first shaping layer so that their widths overlap each other.
The first roving and the second roving are composed of a strand of alkali-free glass (strand: coated by connecting the connecting material to glass short fibers means no twist) and then twisted together, and then wound in a cylindrical shape. ,
The glass chopped strand mat is formed by cutting the strands of alkali-free glass and stacking them in a uniform thickness without a constant direction and forming a mat shape using a binder.
The primary shaping layer and the secondary shaping layer are alternately formed in different directions,
The overall thickness of the FRP tank is 10 mm, and the primary shaping layer has a thickness of 5 mm by overlapping and stacking the glass shock, the first roving, the glass chopped strand mat, and the second roving in half. The shaping layer is formed by stacking the glass shock, the first roving, the glass chopped strand mat, and the second roving in half to form a 5 mm thickness.
In order to form a tank to constitute a partition (벽) for separating the internal space of the FRP tank,
The partition wall constitutes a vertical reinforcement and a horizontal reinforcement in the form of a rectangular pipe,
Constitute a hard plate for blocking the left and right of the FRP tank,
Between the hard plate and the partition and the FRP tank is bonded to the FRP material,
Assembling the hard plate and the partition wall in the FRP tank of FRP material,
Sanding is applied to each joint of the hard plate and the FRP tank and the bulkhead and the FRP tank to roughen the surface, and the resin, the hardener, and the glass chopped strand mat are completely infiltrated.
The barrier is pushed to a desired position inside the FRP tank and sanded on the inner surface of the FRP tank to primarily improve adhesion. Laminated molding is primarily performed at right angles,
In order to improve sewage treatment performance by improving strength and preventing microbial dead zone,
To constitute a triangular haunch reinforcement provided in the vertical junction between the partition and the FRP tank
After performing the first lamination, the haunch reinforcement is fixed to the right and left portions of the barrier ribs and the FRP tank by the fixing bolts on the right and left of the barrier ribs.
Install the haunch reinforcement respectively on the left and right of the partition,
Fixed with the fixing bolt in the part facing the partition and the inner blade of the haunch reinforcement and the part of the FRP tank and the outer wing of the haunch reinforcement,
After fixing the haunch reinforcement material to the partition wall-haunch surface-F Al tank by molding laminated resin and glass chopped strand mat to a thickness of 4mm or more so that the fixing bolt is not in contact with the sewage,
In order to prevent deformation due to the water level difference between the tanks,
Comprising a steel reinforcing ring is installed on the inner rim of the FRP tank to reinforce the strength of the FRP tank,
When the steel reinforcing ring is configured, sanding is performed on the inside of the FRP tank before bonding to prevent separation of the FRP material, and laminated to have a thickness of 4 mm or more using a glass chopped strand mat.
The steel reinforcement ring is installed at least 1.5m apart,
It is installed in the lower steel reinforcing ring is installed in the lower part of the FRP tank and constitutes a pedestal of PE material for supporting the FRP tank,
The FRP tank sewage treatment apparatus further comprises a glass chopped strand mat covering the steel reinforcement ring so that the steel reinforcement ring is separated from the sewage.

Images