JP4088840B6 - Septic tank with discharge pump tank - Google Patents

Description

  The present invention relates to a septic tank with a discharge pump tank for treating and purifying sewage such as manure and miscellaneous wastewater discharged from a house or the like.

  When the treated water that has been treated and purified in the septic tank is discharged, when the discharge destination is far away and natural flow occurs, the treated water does not flow to the discharge destination, or the height of the discharge destination is higher than the outlet height. When the gradient is reached, normally, as shown in the conventional example of FIG. 7, the septic tank discharge pump tank is juxtaposed to the septic tank body, and the treated water is pumped to the discharge destination. In this example, since the absolute height (sitting height) of the septic tank main body 1a and the discharge pump tank 2 is different, as shown in the figure, the concrete bottom plate 11 is laid in two stages, and the septic tank main body 1a and the discharge basin are placed thereon. After placing the pump tank 2 (the tank independent from the septic tank body 1a) and aligning the upper surface height of each of the septic tank body 1a and the discharge pump tank 2, the outlet 6 of the septic tank body 1a and the discharge pump tank 2 The inlet 7 is connected by a pipe 8, and treated water from the septic tank body 1 a is transferred to the discharge pump tank 2.

Moreover, in the method disclosed in the following Patent Document 1, the outlet (discharge outlet) side of the septic tank body is processed, a pedestal is provided, and the discharge pump tank is placed on this, and each of the septic tank body and the discharge pump tank is placed. The top surface is aligned. This method avoids the two-stage laying of the concrete bottom slab as described above, and does not require a large installation area for the entire septic tank.
JP 2001-300567 A

  The present invention further improves the method disclosed in Patent Document 1, and even if the septic tank body 1a and the discharge pump tank 2 are different in height, there is no need to make a step on the concrete bottom plate 11, and It is to provide a septic tank with a discharge pump tank that does not require a large installation area of the entire septic tank.

(1) The present invention comprises a purification tank having an anaerobic treatment tank and an aerobic treatment tank in which an upper tank and a lower tank are joined by a flange protrusion, and a discharge pump tank fixed to the purification tank. The discharge pump tank is fixed to the septic tank by two upper and lower band metal plates, the upper band metal plate is fixed to the upper tank, and the lower band metal plate is fixed to the flange protrusion. It is a septic tank with a tank.
(2) In the item (1), the belt-shaped metal plate is a septic tank with a discharge pump tank fixed via an auxiliary metal fitting .
(3) In the item (1) or (2), the discharge pump tank is a septic tank with a discharge pump tank provided with a height adjustment frame at the top .
(4) In any one of items (1) to (3), the septic tank is provided with an outflow pipe, and the septic tank with a discharge pump tank is inserted into an opening provided in the discharge pump tank.

  According to the septic tank with a discharge pump tank of the present invention, there is no need to make a step on the foundation concrete bottom plate. In addition, since there are few processing operations on the septic tank body, it is easy to install the discharge pump tank on site.

  In short, the present invention is a septic tank with a discharge pump tank having the following structure. Specifically, the first string-like fixing member 4 is fixed to the flange protrusion 1b on the outlet (outlet) side of the septic tank (main body) 1a formed by combining the upper tank and the lower tank, and the septic tank (main body) The second string-like fixing member 5 is fixed to the upper tank, and the discharge pump tank 2 is erected and fixed on the outlet side of the septic tank (main body) using the two string-like fixing members 4 and 5. The septic tank 1 with the discharge pump tank which becomes can be used.

  Here, the fixing of the first string-like fixing member 4 to the flange protrusion 1b is preferably performed via the auxiliary mounting bracket 3 fixed to the flange protrusion.

  In addition, the inlet 7 of the discharge pump tank 2 has a socket shape in which the tip of the outflow pipe 6 from the septic tank body 1a is inserted into the opening retracted toward the inside of the discharge pump tank 2. Those are preferred.

  Moreover, it is preferable to provide a height adjusting frame 2 a on the upper part of the discharge pump tank 2. This is because the height of the upper surface (manhole cover) of the septic tank body 1a and the upper surface of the discharge pump tank 2 are made uniform.

  In the septic tank with a discharge pump tank according to the present invention, two string-shaped fixing members are used, which are a first string-shaped fixing member fixed to the mounting auxiliary bracket and a second string-shaped fixing member fixed to the upper tank of the septic tank. In addition, since the discharge pump tank is erected and fixed, there is no need to make a step in the concrete bottom plate of the foundation. In addition, since there are few processing operations on the septic tank body, it is easy to install the discharge pump tank on site.

Hereinafter, the present invention will be described more specifically with reference to the accompanying drawings.
1 is a partial perspective view of a septic tank with a discharge pump tank of the present invention, FIG. 2 (a) is a partial plan view of the septic tank with a discharge pump tank of the present invention, and FIG. 2 (b) is a partial front view thereof. FIG. 3 is a side view of the septic tank with a discharge pump tank of the present invention.
Although the illustration of the internal structure of the septic tank body is omitted, from the upstream side, an anaerobic treatment tank (first anaerobic filter bed tank, second anaerobic filter bed tank, etc.), aerobic filter bed tank, treated water tank (or sedimentation tank) ) And disinfection tanks, and an aeration tube is disposed below the filter bed of the aerobic filter bed tank. Further, a blower (not shown) for sending air to an aerobic filter bed tank or the like is also provided, and a manhole and a manhole cover for closing the manhole are provided so that the inside of each tank can be inspected from above.

  A flange projection 1b on the outlet (outlet) side of the septic tank body 1a is provided with an elongate bent plate-like (substantially L-shaped) mounting seat 3 attached to the mounting seat 3 below the connection band 4 Is attached. Further, the upper connection band 5 is attached to the upper tank wall surface on the septic tank outlet (outlet) side of the mounting seat 3 by using a fixture such as a bolt / nut, and the lower two connection bands 4 and the connection band above. 5 (both are annular), the discharge pump tank 2 is erected and fixed (FIG. 1).

  In FIG. 4, the enlarged view of the exit part (namely, inflow part by the side of a discharge pump tank) of the septic tank main body 1a was shown. In the inflow part on the discharge pump tank side, in order to avoid water leakage and the like, a hole recessed toward the inside of the discharge pump tank is formed, and the tip of the outflow pipe (outlet) 6 from the septic tank body 1a is formed in the hole. The connection portion is bonded with an adhesive or the like (becomes a socket shape). Since the outflow pipe 6 from the septic tank body 1a is often made of vinyl chloride, the inlet part on the discharge pump tank side is usually made of vinyl chloride in many cases. However, the material of the outflow pipe (outlet) 6 may be plastics such as FRP and dicyclopentadiene resin in addition to vinyl chloride.

  FIG. 5 shows an enlarged view of the vicinity of the mounting seat. The fixing seat 3 is fixed to the flange protrusion 1b by using bolts / nuts 9 in the flange protrusion 1b (joint portion between the upper tank and the lower tank of the septic tank) as shown in the figure so as not to leak from the septic tank body 1a. It is fixed. Here, the mounting seat 3 has an elongated bent plate shape (substantially L-shaped cross section), and has a thickness of about 2 to 6 mm depending on the size of the discharge pump tank 2, such as iron, stainless steel, and aluminum. Choose from materials. In order to increase the strength, a rib or a cut-off structure may be used.

  The lower connection band 4 and the upper connection band 5 can be used by processing a metal plate such as stainless steel or aluminum into a band shape, and the thickness is about 2 to 5 mm, the width is about 30 to 70 mm, and the outer dimensions of the discharge pump tank. What was processed according to this can be used. Both ends of the lower connecting band 4 are fixed to the mounting seat 3 using bolts / nuts 10. Both ends of the upper 5 of the connection band are fixed to the upper tank (wall surface) of the septic tank using bolts / nuts.

  The upper part of the discharge pump tank 2 is provided with a height adjustment frame 2a provided with a long hole that can slide within a range of about 5 to 15 mm up and down. After the discharge pump tank 2 is attached, the height of the septic tank body 1a is The height can be adjusted to match. After the height adjustment, the three outer peripheral points of the height adjustment frame 2a are bolted and fixed. FIG. 6 illustrates the internal configuration in the discharge pump tank 2. Basically, it is not different from the conventional configuration.

The partial perspective view of the septic tank with a discharge pump tank of the present invention. (A) is a partial top view of the septic tank with a discharge pump tank of this invention, (b) is the partial front view. The side view of the septic tank with a discharge pump tank of the present invention. The enlarged view of the exit (outflow port) part of the septic tank main body 1a. The enlarged view near the discharge pump tank mounting seat. (A) is a top view of the septic tank with a discharge pump tank of this invention, (b) is AA sectional drawing. It is the septic tank of the prior art example which connected the discharge pump tank, (a) is a top view, (b) is CC sectional drawing.

Explanation of symbols

1: Septic tank with discharge pump tank 1a: Septic tank (septic tank body)
1b: Flange projection 2 (of the combined portion of the upper and lower tanks) 2: Discharge pump tank 2a: Height adjustment frame 3: Mounting auxiliary bracket (mounting seat)
4: First string-like fixing member (under the connection band)
5: Second string-like fixing member (on the connection band)
6: Outflow pipe (outlet part) from septic tank body
7: Inlet part of discharge pump tank 8: Pipe 9, 10: Bolt / nut 11: Concrete bottom slab 12: Discarded concrete 13: Split chestnut 14: Discharge pump 15: Discharge pump drain pipe

Claims (4)

A septic tank having an anaerobic treatment tank and an aerobic treatment tank in an upper tank and a lower tank joined by a flange protrusion, and a discharge pump tank fixed to the septic tank, and to the septic tank of the discharge pump tank A septic tank with a discharge pump tank in which fixing is performed by two upper and lower strip metal plates, the upper strip metal plate is fixed to the upper tank, and the lower strip metal plate is fixed to the flange protrusion . The septic tank with a discharge pump tank according to claim 1, wherein the belt-shaped metal plate is fixed via an auxiliary metal fitting . The septic tank with a discharge pump tank according to claim 1 or 2, wherein the discharge pump tank includes a height adjustment frame at an upper part thereof . The septic tank with a discharge pump tank according to any one of claims 1 to 3, wherein the septic tank includes an outflow pipe, and a tip of the outflow pipe is inserted into an opening provided in the discharge pump tank.

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