JP3818727B2 - Contact material support for sewage purification equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a contact material support for allowing microorganisms to adhere and propagate in a sewage purification apparatus that purifies sewage using microorganisms.
[0002]
[Prior art]
In general, there are various types of sewage purification apparatuses, and one method is to decompose microorganisms in the sewage by propagating microorganisms in the tank. In this method, a contact material serving as a microorganism dwelling is formed in a string shape and placed in a treatment tank. In order to increase the surface area of the contact material for efficient treatment, the contact material is provided with a number of protrusions on the surface and is formed in a spiral shape. As shown in FIG. 7, the conventional sewage purification apparatus is provided with an inlet 3 for sewage 2 at the upper part of the treatment tank 1, and a drain outlet 4 through which purified water is discharged at the upper part of the treatment tank 1 facing this. Is provided. An aeration means 6 such as a blower for ejecting bubbles 13 from the aeration port 5 into the sewage 2 is provided at the bottom of the treatment tank 1.
[0003]
Further, a support frame 9 in which a plurality of vertical bars 7 and horizontal bars 8 are combined is provided inside the processing tank 1, and a plurality of contact members 10 are spaced between the upper and lower horizontal bars 8, 8. Is connected. As shown in FIG. 8, the contact material 10 has a structure in which a large number of protrusions 12 are attached to the surface of a string-like core material 11, and this is wound spirally so that microorganisms adhere to and propagate on the surface.
[0004]
The core material 11 of the contact material 10 is formed of a metal wire or the like whose surface is covered with a synthetic resin, and is attached to the horizontal bar 8 by wrapping the end portion of the core material 11 to join. Further, since the sewage 2 generates a turbulent flow due to aeration or the like, this force is applied to the contact member 10, and the end of the contact member 10 wound around the horizontal bar 8 is shifted to the left and right, so that the interval between the adjacent contact members 10 is increased. Is not constant, and there is a problem that a stable purification action cannot be performed.
[0005]
[Problems to be solved by the invention]
The present invention eliminates the above-mentioned drawbacks, allows easy and reliable fixing of the contact material, does not move due to the flow of sewage during operation, and maintains a constant distance between adjacent contact materials over a long period of time. A contact material support for a sewage purification apparatus capable of performing a stable purification action is provided.
[0006]
[Means for Solving the Problems]
The contact material support of the sewage purification apparatus according to claim 1 of the present invention is provided with aeration means for ejecting bubbles in the treatment tank, and a large number of protrusions are attached to the surface of the flexible string-like core material. In the sewage purification apparatus in which the contact material that spirally winds this and attaches and propagates microorganisms on the surface is attached to the support frame composed of vertical bars and horizontal bars provided in the treatment tank at an interval , integrally attached at intervals contact material to the support frame over arm support is, on the outer periphery of the frame engaging portion forming the cross section C shape formed by synthetic resin having elasticity, the support piece that opening an insertion hole The frame engaging part is fitted to a horizontal bar or a vertical bar at intervals along the longitudinal direction, and the end of the contact material is inserted into the insertion hole of the support piece. And connecting them .
[0007]
Furthermore, the contact material support tool frame according to claim 2 is characterized in that a support piece having an insertion hole is provided above and below the outer periphery of the frame engaging portion having a substantially C-shaped cross section .
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. In the figure, reference numeral 15 denotes a contact material support made of a synthetic resin such as elastic polypropylene, and is inserted through and held by the end of the contact material 10 on the outer periphery of the frame engagement portion 16 having a substantially C-shaped cross section. A support piece 18 having a hole 17 is integrally projected. The inner diameter d of the frame engaging portion 16 having a substantially C-shaped cross section is formed to be slightly smaller than the outer diameter D of the horizontal bar 8 having a circular cross section.
[0009]
As shown in FIG. 2, the contact material support 15 having the above structure is attached to the upper and lower horizontal bars 8 and 8 of the support frame 9 in which the vertical bars 7 and the horizontal bars 8 having a circular cross section are combined in a rectangular parallelepiped shape. As shown in an enlarged view in FIG. 3, when the frame engaging portion 16 having a substantially C-shaped cross section of the contact material support 15 is fitted into the horizontal bar 8, the opening is expanded elastically, and the inner diameter d is the horizontal bar 8. Since it is formed smaller than the outer diameter D, it is firmly engaged and fixed. Thereafter, both end portions of the core material 11 of the contact material 10 are bent and connected through the insertion holes 17 of the contact material support 15.
[0010]
In addition, as shown in FIG. 2, the structure of the sewage purification apparatus is provided with an inlet 3 for the sewage 2 at the upper part of the treatment tank 1, and a drain outlet through which the purified water is discharged at the upper part of the treatment tank 1 facing this. 4 is provided, and a partition plate 19 is provided in front of this. In addition, aeration means 6 such as a blower for ejecting bubbles 13 from the aeration port 5 into the sewage 2 is provided at the bottom of the treatment tank 1. Further, the protrusion 12 is not limited to a ring shape, but may be a hook shape or a needle shape, and the material is preferably a corrosion-resistant material such as a synthetic resin fiber, glass fiber, or carbon fiber.
[0011]
As shown in FIG. 2, when the sewage 2 flows in from the inlet 3, the sewage purification apparatus having this structure descends through the contact material 10 attached to the support frame 9, and at this time, the protrusion on the surface of the contact material 10. The sewage 2 is purified by contacting with the microorganisms adhering to 12. In this case, bubbles 13 are ejected from the aeration port 5 into the treatment tank 1 by the aeration means 6, and the sewage 2 becomes turbulent when touching the contact material 10 while convection in the treatment tank 1 up and down as indicated by arrows, The organic matter in the sewage 2 comes into contact with the microorganisms adhering to the protrusions 12, and decomposes the organic matter in the sewage 2 over time while receiving the supply of air. The purified water passes through the space between the inner wall of the treatment tank 1 and the partition plate 19 and is discharged from the drain port 4.
[0012]
Therefore, turbulent flow is generated in the sewage 2 that is aerated and convected, and this force is applied to the contact material 10, and the contact material 10 is elastically engaged with the horizontal bar 8 as shown in FIG. 3. Since it is connected to the tool 15, it is possible to keep a constant distance from the adjacent contact material 10 without shifting from side to side. Also, the attachment of the contact member 10 is easy because the end of the core member 11 only needs to be bent through the insertion hole 17 opened in the support piece 18 projecting from the outer periphery of the contact member support 15. is there.
[0013]
4 and 5 show another embodiment of the present invention. This contact material support 15a has support pieces 18 and 18 integrally formed on the upper and lower sides of the outer periphery of a frame engagement portion 16 having a substantially C-shaped cross section. The insertion holes 17 are provided in the projecting holes, and the end portions of the contact member 10 are inserted and held therein.
[0014]
As shown in FIG. 5, this is attached to a large support frame 9 in which a plurality of vertical bars 7 and horizontal bars 8a, 8b, 8c are combined in three stages of upper, middle, and lower, A contact material support 15a having two insertion holes 17, 17 is engaged, and the upper and lower horizontal bars 8a, 8c are formed with one insertion hole 17 shown in FIG. 15 and 15 are engaged and fixed, and two contact members 10 and 10 are connected therebetween and arranged in the vertical direction.
[0015]
Further, in the above description, the case where the horizontal bar 8 constituting the support frame 9 has a circular cross section has been described. However, as shown in FIG. Can be engaged.
[0016]
In the above description, the case where the contact member 10 is vertically mounted between the upper and lower horizontal bars 8 and 8 of the support frame 9 is shown, but a structure in which the contact member 10 is horizontally mounted between the vertical bars 7 and 7 may be used. . Further, the structure of the treatment tank 1 may be a structure without the partition plate 19, or may be a structure in which the upper and lower sides are opened and immersed in water such as a pond, the bottom opening is an inflow port, and the top opening is a drain.
[0017]
【The invention's effect】
As described above, according to the contact material support of the sewage purification apparatus according to claim 1 of the present invention, the support that engages with the support frame has a substantially C-shaped cross section formed of a synthetic resin having elasticity. Since the support piece having an insertion hole is integrally formed on the outer periphery of the engaging portion, the frame engaging portion is spaced from the horizontal bar or vertical bar of the support frame along the longitudinal direction thereof. at a fitted, by fixedly connected by inserting the end of the contact member into the insertion hole of the support piece, can be easily and reliably fixed mounting of the contact material, contact the sewage flow during operation The material does not move, and the distance between adjacent contact materials is kept constant, and a stable purification action can be performed over a long period of time.
[0018]
According to the contact member supporting member sewage purification device according to claim 2, the top and bottom of the outer periphery of the frame engaging portion forming the cross section C-shaped, since the projecting support piece that opening the insertion hole, the upper, middle Suitable for the case where two large contact frames are placed in the vertical direction between the upper, middle, and lower three horizontal bars of a large support frame that combines the lower three horizontal bars. It is .
[Brief description of the drawings]
FIG. 1 is a perspective view of a contact material support according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of the sewage purification apparatus to which the contact material support shown in FIG. 1 is attached.
3 is a perspective view showing a state in which a contact material is attached to the contact material support shown in FIG. 2. FIG.
FIG. 4 is a perspective view of a contact material support according to another embodiment of the present invention.
FIG. 5 is a cross-sectional view of the sewage purification apparatus to which the contact material support shown in FIG. 4 is attached.
FIG. 6 is a cross-sectional view showing a state in which a contact material support is engaged with a horizontal bar having a quadrangular cross section according to another embodiment of the present invention.
FIG. 7 is a cross-sectional view showing a conventional sewage purification apparatus.
8 is an enlarged front view showing a state in which a contact material is attached to the horizontal bar of FIG. 7;
[Description of marks Nos.]
DESCRIPTION OF SYMBOLS 1 Treatment tank 2 Sewage 3 Inlet 4 Drain outlet 5 Aeration port 6 Aeration means 7 Vertical bar 8 Horizontal bar 9 Support frame 10 Contact material 11 Core material 12 Protrusion 15 Contact material support 16 Frame engaging part 17 Insertion hole 18 Support piece

Claims (2)

A contact material provided with aeration means for jetting bubbles in the treatment tank, and a large number of protrusions are attached to the surface of the flexible string-like core material, and this is spirally wound to allow microorganisms to adhere to and propagate on the surface and in sewage purification device mounted at a vertical bar and spacing the support frame, which consists of a horizontal bar which is provided in the processing bath, support for mounting at intervals the contact member to the support frame has an elastic It is formed by integrally projecting a support piece having an insertion hole on the outer periphery of a frame engaging portion having a substantially C-shaped cross section formed of a synthetic resin. The contact member support for a sewage purification apparatus, wherein the contact member is fitted at an interval along the longitudinal direction, and the end of the contact member is inserted into and connected to the insertion hole of the support piece. . The contact material support for a sewage purification apparatus according to claim 1, wherein a support piece having an insertion hole is provided above and below the outer periphery of the frame engagement portion having a substantially C-shaped cross section .

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