A thin shell prefabricated concrete septic tank

Abstract

The present invention discloses a thin-shell prefabricated concrete septic tank, the horizontal cross section of which is elliptical, including two semi-elliptical pools A and B symmetrically on the minor axis of the ellipse, the pools A and B are composed of a prefabricated bottom plate, a pool body, and a prefabricated cover plate, the upper end surface of the prefabricated bottom plate is provided with a pressure groove, the bottom of the pool body is placed in the pressure groove, the pool body is composed of two or more pipe sections stacked up and down, the upper part of the lower pipe section is provided with a Y-shaped connecting part that gradually widens from bottom to top, a slot is provided in the middle of the upper end surface of the Y-shaped connecting part, the lower part of the upper pipe section is placed in the slot, and the prefabricated cover plate is placed on the uppermost pipe section for sealing the pool body. The present invention adopts an elliptical thin shell structure, which can evenly disperse the pressure to various parts of the pool body, reduce the pressure on the pool body wall, and improve the service life and quality of the product; the prefabricated bottom plate, the pool body, the prefabricated cover plate, and the partition are all prefabricated separately, which is convenient for manual handling and installation.

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