JP2009012849A - Cylindrical storage tank and its assembling work method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cylindrical water storage tank assembled by an easy assembling method, high in the rigidity of a casing and enhanced in transportation characteristics or the like, and its assembling work method. <P>SOLUTION: The cylindrical storage tank 1 for storing liquid has a connecting flanges 4 having a plurality of connecting holes 5 on both ends, is composed of a circular arc metal exterior wall element 2 for forming a cylindrical body by combining a plurality of sheets, and has a structure assembled by forming the cylindrical body by connecting a plurality of sheets of the metal exterior wall element 2 through the connecting holes 5 formed at the connecting flanges 4 located at both ends. A stainless steel product can be adopted as a material for this kind of the metal exterior wall element 2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an assembling-type cylindrical storage tank for storing a liquid, and more particularly, to a cylindrical storage tank with a simple assembling method and a high rigidity of a casing, and a construction method thereof.

  Conventionally, the shape of an assembly-type storage tank is, for example, a square “panel assembly-type tank” (Patent Document 1) formed by a unit panel and a reinforcing frame, or a spherical unit tank and a connecting flange. "Liquid assembly tank coupling apparatus" (Patent Document 2), "Simple assembly tank" (Patent Document 3) combining divided cylindrical containers, and the like have been proposed.

  However, many simple assembly-type storage tanks including the above-described proposals are configured such that the tank housing itself is composed of an assembly reinforcing member having high rigidity in accordance with the volume and weight of the stored liquid. In addition, as a countermeasure against water leakage, it requires high assembly techniques that realize processing accuracy of assembly members, selection of packing members, and accurate horizontal, vertical, and roundness, and high manufacturing costs and skilled assemblers are required. It was.

Japanese Patent Publication No. 2001-278385 Registered Utility Model No. 3044332 Japanese Patent Publication No. 2001-40717

  In view of the above problems, the present invention puts water into a plastic bag body in a storage tank casing combined with a plurality of metal outer wall elements, accurately forms a perfect circle with the water pressure, and further injects and fills filled concrete. An object of the present invention is to provide a lightweight and inexpensive cylindrical water storage tank that can be easily assembled and fixed integrally with foundation concrete.

  In order to achieve the above object, the present invention is a cylindrical storage tank for storing a liquid, having a connecting flange having a plurality of connecting holes at both ends, and forming a cylindrical body by combining a plurality of connecting flanges The structure is constructed by connecting a plurality of metal outer wall elements through connection holes provided in connection flanges at both ends thereof to form a cylindrical body.

  In the present invention, the metal outer wall element may be made of stainless steel.

  Further, the present invention is an assembling method for installing the cylindrical storage tank, wherein (1) foundation concrete is laid at a predetermined location, and (2) the location of the cylindrical storage tank is set on the foundation concrete. (3) A plurality of metal outer wall elements are sequentially arranged in a substantially cylindrical shape in accordance with the marking position, and (4) each connecting flange of adjacent metal outer wall elements arranged (5) A substantially cylindrical body formed by a plurality of metal outer wall elements, sandwiching a band-shaped packing member between them, and temporarily fixing metal outer wall elements to each other via a connection hole provided in the connection flange. (6) Cylindrical body in which water is put through a plastic bag body and the metal outer wall elements are finally tightened in a state where a plurality of metal outer wall elements form a true cylindrical body by the water pressure. After sealing the joint between the foundation concrete and the metal outer wall element, the filling concrete is poured and cured, and the foundation concrete and the metal outer wall element are integrated and fixed. (7) The top surface of the filling concrete is waterproofed or mortared An assembly method for a cylindrical storage tank is adopted.

  According to the cylindrical storage tank and its assembly method according to the present invention, the parts constituting the casing of the cylindrical storage tank are divided and formed with a relatively simple structure and a thickness-less dimension so as to overlap each other. It is easy to store and transport, assemble, and install in a small place, and it is possible to limit the size and reduce the manufacturing and processing costs in the manufacturing process at the factory.

  Further, according to the cylindrical storage tank and its assembly method according to the present invention, a plastic bag body is provided in a metal outer wall element temporarily disposed in a cylindrical shape and filled with water. By adopting a construction method that accurately forms the body, it does not require the dimensional processing accuracy and assembly accuracy of conventional parts, and eliminates the cause of water leakage due to the distortion of the casing caused by the processing and assembly accuracy. Is something you can do.

  Furthermore, according to the cylindrical storage tank and its assembly method according to the present invention, by filling and curing the filled concrete into the metal outer wall element forming the true cylindrical body, the housing itself is integrally fixed with the basic concrete. Since the structural strength of the cylindrical storage tank is also reinforced, the components can be reduced in weight, simplified, and sealed, including factors such as the connection flange serving as a reinforcing rib.

  The cylindrical storage tank and its assembling method according to the present invention are configured such that water is poured into a plastic bag body in a storage tank casing combined with a plurality of metal outer wall elements, and a perfect circle is formed accurately by the water pressure. The most important feature is that it can be poured and cured, and can be easily assembled and fixed integrally with the foundation concrete. Embodiments of a cylindrical storage tank and its assembly method according to the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing the entire cylindrical storage tank 1 according to the present invention.
The cylindrical storage tank 1 is composed of a metal outer wall element 2 that forms a cylindrical body by combining a plurality of cylinders. This is a storage tank housing made of steel.

  The metal outer wall element 2 is a plurality of stainless steel arc-shaped element bodies that are combined to form a cylindrical body. The metal outer wall element 2 has a connection flange 4 having a plurality of connection holes 5 at both ends, and is connected to the foundation concrete 8. Assembled to the metal top cover element 3 as required.

  The number of metal outer wall elements 2 according to the present invention to be combined to form one cylindrical body is determined from the size of the completed cylindrical storage tank 1 in consideration of the transportation efficiency of each element body. Is done. In the drawing, a case where one metal outer wall element 2 is configured in a size obtained by dividing a cylindrical body into six parts is shown.

  Further, if necessary, one metal outer wall element 2 may have a form in which other parts are incorporated. For example, as shown in the drawings, a form of the metal outer wall element 2 having a drain outlet at a predetermined location can be considered.

  About the metal top cover element 3, in the component of this invention, it is arbitrary, and a shape, a material, etc. are not specifically limited. In the drawing, a case where a semicircular element body that forms a circle by combining two elements is used is shown, and a metal outer wall element 2 having a connection flange 4 having a plurality of connection holes 5 on the periphery is shown. And assembled.

  The filled concrete 9 is formed by pouring the filled concrete 9 into a cylindrical body framed by a plurality of metal outer wall elements 2 on the foundation concrete 8, and after curing, it is cured and integrated and fixed. At this time, since the metal outer wall element 2 serves as a formwork, the number of work steps can be reduced and sealing can be performed.

FIG. 2 is an explanatory view showing an assembly method of the cylindrical storage tank 1 according to the present invention.
FIG. 2A shows the basic driving process. At the place where the cylindrical storage tank 1 is installed, a small gravel, chestnut stone, etc. are spread on the ground, and a reinforcing bar mesh is arranged in some cases, and the foundation concrete 8 is backfilled and laid.
Reinforcing bar mesh is used to prevent cracking in consideration of the installation location where the temperature / humidity changes greatly and the service life when the ground is weak.

  FIG. 2 (b) shows the marking / anchoring process. The installation position of the cylindrical storage tank 1 is marked on the foundation concrete 8 and anchor bolts are placed at the connection position of the metal outer wall element 2.

  FIG. 2C shows the arrangement process. The metal outer wall element 2 is arranged in a substantially cylindrical shape in accordance with the marking position and the anchor position.

  FIG. 2 (d) shows a true cylinder taking-out and temporary fastening process. A band-shaped packing member 7 is sandwiched between the connecting flanges 4 of the adjacent metal outer wall elements 2 arranged, and the metal outer wall elements 2 are connected to each other via connecting holes 5 provided in the connecting flange 4. Tighten and fix temporarily. Thereby, this metal outer wall element 2 forms a substantially cylindrical body.

  FIG. 2E shows the final fastening process. A plastic bag body 21 is provided in a substantially cylindrical body formed by the above-described temporary fastening, and water is filled through the plastic bag body 21. By doing so, the plurality of metal outer wall elements 2 that have formed a substantially cylindrical body form a true cylindrical body by water pressure. In this way, in a state where the plurality of metal outer wall elements 2 become a true cylindrical body, the metal outer wall elements 2 are finally tightened and fixed while finely adjusting the connecting bolts 6 and the like.

  FIG. 2F shows the sealing process, curing and fixing, waterproofing / finishing process, and final assembly process. After joining the base concrete 8 in the cylindrical body composed of the plurality of metal outer wall elements 2 with the sealing agent 10, the filling concrete 9 is poured to cure the base concrete 8 and the metal outer wall element 2 to be integrated and fixed. Thereafter, the upper surface of the filled concrete 9 is subjected to waterproof coating or mortar finishing, and the metal upper lid element 3 is connected and fixed to the upper part of the metal outer wall element 2 as necessary to complete the assembly.

FIG. 3 is an explanatory view showing an embodiment of the cylindrical storage tank 1 according to the present invention, and is an example related to a water storage tank for reusing rainwater 19.
Rainwater 19 that has fallen on the roof 11 of the house passes through the gutter 12 and is stored in the cylindrical storage tank 1 from the rainwater inlet 13.
The water in the cylindrical storage tank 1 is used for watering for toilets and horticulture through the filter 14 and the pump 15.
When the water in the cylindrical storage tank 1 is used and falls below the primary water level S1, the ball tap 16 is activated and the water supply 17 is automatically replenished.
When it rains a lot and the water in the cylindrical storage tank 1 exceeds the secondary water level S2, it is naturally discharged from the overflow drain port 18.
The cleaning drain 20 is opened and the inside of the cylindrical storage tank 1 is cleaned about twice a year.

  According to the cylindrical storage tank 1 of the present invention, not only the rainwater storage tank as in the above embodiment, but also a household water tank, a garden watering tank, a livestock manure treatment tank, an agricultural chemical storage tank, In addition to being able to be used as a spring water storage tank, there are many scenes where it is used in oil and fats of manufacturing plants, cleaning liquids, cleaning sprinkling storage tanks, etc., and its application range is presumed to be wide. Therefore, the industrial applicability of the cylindrical storage tank 1 according to the present invention is extremely large.

It is a perspective view showing the whole cylindrical storage tank concerning the present invention. It is explanatory drawing which shows the assembly method of a cylindrical storage tank. It is explanatory drawing which shows embodiment of the cylindrical storage tank concerning this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cylindrical storage tank 2 Metal outer wall element 3 Metal top cover element 4 Connection flange 5 Connection hole 6 Connection bolt 7 Packing member
8 Foundation concrete 9 Filled concrete 10 Sealing agent
DESCRIPTION OF SYMBOLS 11 Roof 12 Rain gutter 13 Rain water inlet 14 Filter 15 Pumping pump 16 Ball tap 17 Water supply 18 Overflow drain 19 Rain drain 20 Cleaning drain 21 Plastic bag body S1 Primary water level S2 Secondary water level

Claims (3)

A cylindrical storage tank for storing liquid,
It has a connecting flange with a plurality of connecting holes at both ends, and consists of an arc-shaped metal outer wall element that forms a cylindrical body by combining multiple pieces,
A cylindrical storage tank that is assembled by connecting a plurality of metal outer wall elements through connection holes provided in connection flanges at both ends thereof to form a cylindrical body.   The cylindrical storage tank according to claim 1, wherein the metal outer wall element is made of stainless steel. An assembly method for installing the cylindrical storage tank according to claim 1 or 2,
(1) Laying foundation concrete in a predetermined place,
(2) Placing the ink at the installation position of the cylindrical storage tank and placing an anchor on the foundation concrete,
(3) A plurality of metal outer wall elements are sequentially arranged in a substantially cylindrical shape in accordance with the marking position,
(4) A band-shaped packing member is sandwiched between the connecting flanges of the adjacent metal outer wall elements that are disposed, and the metal outer wall elements are temporarily fastened and fixed through the connecting holes provided in the connecting flange,
(5) Water is poured into a substantially cylindrical body formed by a plurality of metal outer wall elements via a plastic bag body, and the metal outer wall elements are formed in a state where a plurality of metal outer wall elements form a true cylindrical body by the water pressure. Tighten and fix
(6) After sealing the joint between the basic concrete and the metal outer wall element in the cylindrical body, the filled concrete is poured and cured, and the basic concrete and the metal outer wall element are integrally fixed.
(7) A method for assembling a cylindrical storage tank, wherein the top surface of the filled concrete is waterproofed or mortar-finished.

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