JP2004066189A - Support device for contact material for water treatment tank - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a support device in which a stringy contact material 3 can be evenly stretched, with which the oxidative decomposition efficiency by aerobic microorganisms is enhanced, a carrying space is reduced, and the assembly workability is improved. <P>SOLUTION: Beam body insertion parts 6 are formed at both ends of a stringy support 5. The stringy support 5 is inserted through a pipe-shaped support 4, and the beam body insertion parts 6 at both ends of the stringy support 5 are derived from both end openings 7 of the pipe-shaped support 4. The stringy contact materials 3 are suspended from the pipe-shaped support 4 so as to leave a space between the contact materials 3. The stringy contact materials 3 suspended from the pipe-shaped support 4 are held by a circular stringy contact material holding tool 8 fitted to the pipe-shaped support 4. A beam body 10 is inserted through the beam body insertion parts 6 at both ends of the stringy support 5 through which the pipe-shaped support 4 has been inserted. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
[Industrial applications]
The present invention relates to an apparatus for supporting a contact material for a water treatment tank, which supports a string-shaped contact material carrying microorganisms for purifying sewage.
[0002]
[Prior art]
Conventionally, as described in, for example, Japanese Utility Model Publication No. 1-1358, a number of string-shaped contact members are stretched in a contact oxidation tank partitioned in a water treatment tank, and the string-shaped contact members are aerobic. Microbes are adhered, air is aerated from the aeration device arranged in the contact oxidation tank, and oxygen is supplied to oxidize and decompose organic substances in the water to be treated by aerobic microorganisms carried on the string-shaped contact material to purify them. BACKGROUND ART A contact material for a water treatment tank to be treated is known.
[0003]
The device for supporting a contact material for a water treatment tank described in Japanese Utility Model Publication No. 1-1358 discloses a water treatment tank provided with upper and lower tubular cloth bodies having ends of a large number of string-like contact materials attached at intervals. The pipe-like supports erected at the upper and lower portions of the inside of the contact oxidation tank are inserted, and an arc-shaped fixture is fitted to each of the pipe-like supports with the tubular cloth therebetween. Is held so as not to be moved, and a large number of cord-like contact members are stretched and held at predetermined intervals.
[0004]
However, in the device for supporting a contact material for a water treatment tank described in Japanese Utility Model Publication No. 1-111358, each pipe-shaped support has to be inserted through a tubular cloth, and assembling is complicated. Performing the on-site assembling work during the construction of the treatment tank makes it difficult to secure an assembling place and manage each member. In addition, when a large number of cord-like contact members are previously stretched at predetermined intervals and assembled and installed on site, there is a problem that a transport space increases and a transport cost increases.
[0005]
Therefore, as described in Japanese Patent Application Laid-Open No. 7-299487, a band-shaped cloth body in which a number of string-like contact members are attached at intervals is formed along the longitudinal direction with through-holes opened at both ends thereof. An upper frame-shaped member and a lower frame-shaped member, in which the pipe-shaped support is penetrated and inserted into the insertion portion of the band-shaped cloth to support the string-shaped contact material, and the left and right pipe-shaped supports are connected by a horizontal connector. Each having a structure in which the upper portion of the string-shaped contact material is supported by the pipe-shaped support of the upper frame-shaped material, and the lower portion of the string-shaped contact material is supported by the pipe-shaped support of the lower frame-shaped material. A support device for a contact material for a processing tank is known.
[0006]
[Problems to be solved by the invention]
In the supporting device for a contact member for a water treatment tank described in Japanese Patent Application Laid-Open No. 7-299487, a pipe-like support is inserted into an insertion portion along the longitudinal direction of a string-like support to which a string-like contact material is attached. It is not necessary to insert each pipe-shaped support into the tubular cloth body, and workability is improved.However, in this structure, the intermediate portion of the string-shaped support with the string-shaped contact material attached is downward. The aerobic microorganisms are difficult to be uniformly supported on the string-like contact material, and the efficiency of oxidative decomposition by the aerobic microorganisms is reduced.
[0007]
SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has a structure in which a string-shaped contact material is uniformly stretched, the efficiency of oxidative decomposition by aerobic microorganisms is increased, the transport space is reduced, and assembly workability is improved. An object of the present invention is to provide a support device for a contact material for a processing tank.
[0008]
[Means for Solving the Problems]
According to a first aspect of the present invention, there is provided a supporting device for a contact material for a water treatment tank, wherein a string-shaped support having a beam insertion portion formed at both ends thereof, and both ends of the string-shaped support inserted through the string-shaped support. A pipe-shaped support member having a beam insertion portion formed at both ends thereof, a string-shaped contact member suspended from the pipe-shaped support member at an interval, and a pipe-shaped member fitted to the pipe-shaped support member. An arc-shaped cord-shaped contact material holder for holding the cord-shaped contact material suspended on a support, and a beam insertion portion formed at both ends of the cord-shaped support inserted into the pipe-shaped support And a beam body inserted through it.
[0009]
And the string-shaped contact material can be stretched only by suspending it on the pipe-shaped support, and the pipe-shaped support does not need to be inserted through the string-shaped support attached with the string-shaped contact material. The suspended pipe-shaped support is hardly bent, and the string-shaped contact material suspended on the pipe-shaped support is held by merely fitting the arc-shaped cord-shaped contact material holder to the pipe-shaped support. The contact material does not move, and the spacing between the string-like contact materials can be stretched uniformly, the string-like contact material can be stretched uniformly, and the efficiency of oxidative decomposition by aerobic microorganisms can be increased.
[0010]
According to a second aspect of the present invention, there is provided a supporting device for a water treatment tank contact member according to the first aspect of the present invention, wherein the string-shaped support member is fitted to the beam and inserted through the beam. Are provided with arc-shaped cord-like support holders for holding both ends of the support member.
[0011]
The arc-shaped cord-shaped contact material holder is held by merely fitting the arc-shaped cord-shaped contact material holder to the pipe-shaped support material suspended from the string-shaped contact material. Is positioned and held by the arcuate string-shaped support holder, the spacing of the string-shaped contact material is maintained, the string-shaped contact material is securely and uniformly stretched, and the efficiency of oxidative decomposition by aerobic microorganisms is increased. .
[0012]
According to a third aspect of the present invention, there is provided the water treatment tank contact material supporting device according to the first or second aspect, wherein the left and right beams are connected in parallel by a horizontal connecting member. The upper frame-shaped body and the lower frame-shaped body are formed, and the upper frame-shaped body and the lower frame-shaped body are connected in parallel by a vertical connector to form a skeleton frame, and the upper frame-shaped body is formed. The upper part of the string-shaped contact material is supported by the pipe-shaped support member, and the lower part of the string-shaped contact material is supported by the pipe-shaped support member of the lower frame.
[0013]
A large number of cord-like contact members are suspended on the pipe-like support, and the arc-like cord-like contact material holder is held by merely fitting the arc-like cord-like contact material holder onto the pipe-like support on which the cord-like contact material is suspended. The material is held at intervals, and the beam is inserted through the insertion portion at both ends of the string-shaped support inserted through the pipe-shaped support, and is held. By forming a frame and a lower frame respectively, and connecting the upper frame and the lower frame with a vertical connector to form a skeleton frame, assemblability is improved and cost is reduced. In addition to the ease of assembly, the upper frame, the lower frame, and the skeleton frame can be easily assembled on site, and the pipe-shaped support, the horizontal connector, and the vertical connector are transported in the form of parts. Transport space is reduced, and it is possible to transport easily at low cost. .
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
One embodiment of a support device for a contact material for a water treatment tank of the present invention will be described with reference to the drawings.
[0015]
For example, a water treatment tank (not shown) for purifying domestic wastewater includes a denitrification tank that forms an anaerobic atmosphere, and a contact oxidation tank that forms an aerobic atmosphere, and the bottom of the contact oxidation tank is aerated. Equipment is provided. Then, air is diffused from the aeration device to form an aerobic atmosphere in the contact oxidation tank.
[0016]
A contact filter 1 is disposed in the contact oxidation tank of such a water treatment tank so as to face above the aeration device. As shown in FIGS. 1 and 2, the contact filter 1 has a substantially rectangular frame. A frame-shaped frame 2 and a string-shaped contact member 3 stretched in the frame 2 along the vertical direction.
[0017]
As described in, for example, JP-A-7-299487, the string-shaped contact material 3 is formed by drawing out a large number of loop-shaped fibers from a string-shaped core material formed of synthetic fibers. .
[0018]
A string-like support 5 is inserted through a pipe-like support 4 formed of a vinyl chloride resin pipe or the like for suspending and supporting the string-like contact material 3 at intervals. The beam insertion portions 6 formed at both ends of the pipe-shaped support member 4 are drawn out from both end openings 7 of the pipe-shaped support member 4.
[0019]
Further, the cord-shaped contact material holder 8 fitted to the pipe-shaped support 4 is formed by, for example, connecting a vinyl chloride resin pipe having an inner diameter substantially the same as or slightly larger than the outer diameter of the pipe-shaped support 4. A part of the peripheral surface is cut out along the direction, and the cut-out portion 9 is formed in a substantially semicircular cross section in an angle range larger than approximately 180 degrees from the center portion. It is designed to expand by elastic deformation.
[0020]
Then, the string-shaped contact material holder 8 holds the plurality of string-shaped contact materials 3 suspended on the pipe-shaped support 4 by being fitted to the pipe-shaped support 4.
[0021]
Further, a beam insertion portion 6 formed at both ends of each of the string-shaped supports 5 inserted into the pipe-shaped support 4 and extending from both ends of the pipe-shaped support 4 is provided with a beam. 10 is inserted.
[0022]
The beam body 10 is formed by, for example, a vinyl chloride resin pipe, and the string-like support holder 11 fitted to the beam body 10 has, for example, an inner diameter substantially equal to or slightly smaller than an outer diameter of the beam body 10. A large-diameter vinyl chloride resin pipe is formed by cutting out a part of the circumferential surface along the longitudinal direction and forming a substantially semi-circular cross section in an angle range larger than substantially 180 degrees from the center by the notch portion 12. The support holder 11 is configured such that the notch 12 is expanded by elastic deformation. Then, the string-shaped support holder 11 holds both ends of the plurality of string-shaped supports 5 through which the beam 10 is inserted by being fitted to the beam 10.
[0023]
Next, an upper frame 14 and a lower frame 15 are formed by connecting the left and right beams 10 in parallel with a horizontal connector 13 formed of a vinyl chloride resin pipe or the like. The body 14 and the lower frame 15 are connected in parallel by a vertical connector 16 formed by a vinyl chloride resin pipe or the like, so that the framework frame 2 is formed in a substantially square frame shape. The connecting portions of the beam body 10, the horizontal connecting body 13 and the vertical connecting body 16 are connected to the beam body inserting section 17 for inserting the beam body 10 in the horizontal direction and the beam body inserting section 17 in the horizontal direction. A connector 20 having a horizontal connector insertion portion 18 for horizontally inserting the horizontal connector 13 in the orthogonal direction and a vertical connector insertion portion 19 perpendicular to the horizontal connector insert 18 in the vertical direction; It is detachably connected at 21.
[0024]
In addition to supporting the upper part of the string-shaped contact material 3 suspended on the pipe-shaped support 4 of the upper frame-shaped body 14, the string-shaped contact material 3 suspended on the pipe-shaped support 4 of the lower frame-shaped body 15 is supported. The lower part is supported.
[0025]
The connecting member 21 of the lower frame 15 is provided with a mounting rod insertion portion 23 formed by, for example, a vinyl chloride resin pipe, into which the mounting rod 22 is inserted on the lower surface. The body 2 forms a space in which an aerator is disposed between the body 2 and the bottom of the water treatment tank by the mounting rod 22 inserted into the mounting rod insertion portion 23 of the connecting tool 21.
[0026]
Next, the operation of the example of the above embodiment will be described.
[0027]
The string-like support 5 is inserted into the pipe-like support 4 in advance, and the beam insertion portions 6 formed at both ends of the numerous string-like contact members 3 at both ends are opened from both end openings 7 of the pipe-like support 4. The left and right beams 10 are sequentially inserted into the beam insertion portions 6 formed at both ends of the string-shaped support 5 inserted into the respective pipe-shaped supports 4.
[0028]
Then, the beam fitting insertion portions 17 of the connecting tool 20 are respectively fitted to both end portions of both beam members 10, and the string-shaped support members 5 of the string-shaped support members 11 are fitted to the left and right beam members 10. Both ends are held at desired intervals, and the pipe-shaped support 4 with the string-shaped support 5 inserted therein is positioned and held at the desired interval.
[0029]
Next, both ends of the horizontal connector 13 are respectively inserted into the horizontal connector fitting insertion portions 18 of the connectors 20 and 21 respectively fitted to both ends of the left and right beam members 10 so that the left and right beam members 10 are inserted. The upper and lower frame members 14 and 15 are connected to form the upper and lower frame members 14 and 15.
[0030]
Next, by inserting both ends of the vertical connector 16 into the vertical connector insertion portions 19 of the connectors 20 and 21 of the upper and lower frame members 14 and 15, the substantially square framed frame 2 is formed. I do.
[0031]
Next, the string-shaped contact members 3 are sequentially wound around the pipe-shaped support members 4 of the upper and lower frame members 14 and 15 adjacent to the frame member 2, and the upper and lower frame members 14 and 15 are successively wound. The string-shaped contact material 3 is stretched between the pipe-shaped supports 4.
[0032]
Then, the suspension intervals of the string-shaped contact members 3 are positioned and held at desired intervals by the string-shaped contact member holders 8 fitted to the respective pipe-shaped supports 4.
[0033]
Next, the vertical connector 16 is connected to the vertical connector 16 from the vertical connector insertion portion 19 of the connector 20, 21 of the upper and lower frame members 14, 15 forming the skeleton frame 2 by utilizing the slight extension of the string-shaped contact material 3. Then, the upper and lower frame members 14 and 15 are superimposed on each other to be flat and transported to the site where the water treatment tank is installed.
[0034]
Also, at the site, both ends of the vertical connector 16 are respectively connected to the vertical connector insertion portions 19 of the connectors 20 and 21 of the upper and lower frame members 14 and 15 of the frame member 2, respectively. By assembling the framing frame 2 by inserting it using a certain amount of elongation, the string-like contact members 3 suspended on the respective pipe-like supports 4 of the upper and lower frame-like bodies 14 and 15 become parallel to the vertical direction. It is stretched.
[0035]
Further, the mounting rod 22 described above, which is inserted into the mounting rod insertion portion 23 of the connecting tool 21 attached to the lower frame 15 of the framing frame 2, is inserted into the lower part of the framing frame 2. A space for disposing the aeration device is formed between the bottom and the bottom.
[0036]
Then, the contact filter 1 is placed on the bottom in the contact oxidation tank of the water treatment tank such that an aerator is disposed in a space below the contact filter 1 in which the string-like contact material 3 is stretched on the frame 2. Then, the contact filter 1 is placed in the contact oxidation tank.
[0037]
The string-shaped contact member 3 can be stretched only by suspending it on the pipe-shaped support member 4 between the upper frame member 14 and the lower frame member 15, and the pipe-shaped support member 4 has a string-shaped support member to which the string-shaped contact member 3 is attached. There is no need to pass through the body 5, the pipe-shaped support 4 on which the string-shaped support 5 is suspended is hardly bent, and the string-shaped contact material 3 suspended on the pipe-shaped support 4 is arc-shaped. The contact material holder 8 is held only by being fitted to the pipe-shaped support member 4, so that the string-shaped contact members 3 do not move and can be evenly stretched, so that the string-shaped contact members 3 can be stretched uniformly. Are uniformly stretched, and the efficiency of oxidative decomposition by aerobic microorganisms is enhanced.
[0038]
The arc-shaped cord-shaped contact material holder 8 is held by merely fitting the arc-shaped cord-shaped contact material holder 8 to the pipe-shaped support member 4 on which the cord-shaped contact material 3 is suspended. It is positioned and held by the arc-shaped cord-shaped support holder 11 fitted to the beam body 10, the spacing between the cord-shaped contact members 3 is maintained, and the cord-shaped contact members 3 are securely and uniformly stretched, and aerobic. The efficiency of oxidative degradation by microorganisms is increased.
[0039]
Further, the beam members 10 are inserted into and held by the beam insertion portions 6 at both ends of the string-shaped support member 5 inserted into the pipe-shaped support member 4, and the horizontal connecting members 13 are connected to the beam members 10, respectively. The upper frame body 14 and the lower frame body 15 are respectively formed, and the upper frame body 14 and the lower frame body 15 are connected by the vertical connecting body 16 to form the skeleton frame body 2. The upper frame 14, the lower frame 15, and the framework 2 can be easily assembled at the site because the operability is improved, the cost is reduced, and the assembly is easy. The body 13 and the vertically connected body 16 can be transported in the form of parts, so that the transport space is reduced, and the transport can be performed easily at low cost.
[0040]
Furthermore, since the assembly is easy, the vertical connector 16 can be assembled after being transported, and can be transported in a flat shape in which the upper frame 14 and the lower frame 15 are overlapped with each other. Space can be reduced, and transport costs can be reduced.
[0041]
In addition, the contact filter body 1 can also superimpose the frame 2 in a plurality of stages.
[0042]
Further, when the water treatment tank is for industrial use and the capacity in the contact oxidation tank is large, the contact filter 1 can be formed by stacking the frame 2 in a plurality of stages.
[0043]
【The invention's effect】
According to the first aspect of the present invention, the string-shaped contact member can be easily stretched simply by suspending it on the pipe-shaped support member, and the pipe-shaped support member needs to be inserted through the string-shaped support member to which the string-shaped contact member is attached. Without, also, the pipe-shaped support suspended from the string-shaped support is difficult to bend, furthermore, the string-shaped contact material suspended on the pipe-shaped support is easily held, and the string-shaped contact material does not move off, The spacing between the string-shaped contact members can be uniformly stretched, the string-shaped contact members can be stretched uniformly, and the efficiency of oxidative decomposition by aerobic microorganisms can be increased.
[0044]
According to the invention as set forth in claim 2, the string-shaped contact material is easily held by the pipe-shaped support suspended therefrom, the interval between the string-shaped contact materials is maintained, and the string-shaped contact material is securely and uniformly stretched. The efficiency of oxidative degradation by aerobic microorganisms is increased.
[0045]
According to the third aspect of the present invention, the assemblability is improved, the cost is reduced, and the assembling is easy. Therefore, the upper frame, the lower frame, and the framing frame can be easily assembled on site. The pipe-shaped support, the horizontal connector, and the vertical connector can be transported in the form of parts, so that the transport space is reduced, and the transport is cheap and easy.
[Brief description of the drawings]
FIG. 1 is a partially enlarged exploded perspective view showing an embodiment of a support device for a contact material for a water treatment tank of the present invention.
FIG. 2 is a perspective view of a supporting device for the contact material for the water treatment tank.
[Explanation of symbols]
2 Frame Frame 3 String-like Contact Material 4 Pipe-Like Support 5 String-Like Support 6 Beam Insertion Portion 7 Opening at Both Ends 8 String-Like Contact Material Holder 10 Beam 11 String-Like Support Holder 13 Horizontal Connector 14 Upper Frame 15 Lower frame 16 Vertically linked body

Claims (3)

A string-shaped support body having a beam insertion portion formed at both ends,
A pipe-shaped support that is inserted through the string-shaped support, and a beam-shaped insertion portion formed at both ends of the string-shaped support is led out from the openings at both ends,
A string-like contact material suspended from the pipe-like support at intervals,
An arc-shaped cord-shaped contact material holder that is fitted to the pipe-shaped support and holds the cord-shaped contact material suspended from the pipe-shaped support;
A support member for a contact member for a water treatment tank, comprising: a beam body inserted into a beam body insertion portion formed at both ends of the string-shaped support body inserted into the pipe-shaped support body. 2. The contact material for a water treatment tank according to claim 1, further comprising: an arc-shaped cord-shaped support holder that is fitted to the beam and holds both ends of the cord-shaped support inserted through the beam. Support device. Form an upper frame and lower frame that connect the left and right beams in parallel with a horizontal connector,
The upper frame and the lower frame are connected in parallel by a vertical connector to form a skeleton frame,
2. The lower part of the string-like contact material is supported by the pipe-like support of the lower frame-like body while the upper part of the string-like contact material is supported by the pipe-like support of the upper frame-like body. Or the support device for a contact material for a water treatment tank according to 2.

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