Septic tank of concrete rings .scheme

Features of the treatment plant of concrete rings

When placing elements of the well walls on one another, to the formation of the necessary volume of the tank, a septic tank is formed of concrete rings.The scheme of this type avoids deformation structures as a consequence of external exposure to the groundwater and soil.But the use of large equipment during the construction process, as well as the absence of airtight connections between the rings is a disadvantage of this technical solution.

device WWTP

1. lower part of the structure consists of a concrete pit, where the bottom is a concrete slab.By a reservoir connected discharge pipe drains with a slope of 2 cm per meter toward the building.At this point, cleaning the disintegration of organic matter with the help of the vital processes of any particular microbial species.A layer of recycled dirt settles to the bottom, and the waste water coming into the second vessel
2. design construction of the second phase of treatment is similar to the previous one, but the tank size slightly smaller.At this stage, the filtering wastewater through special materials - gravel, expanded clay, gravel.
3. last process, the final cleaning cycle, has been the drains (drainage is carried out through a drainage well in soil with the help of pumps, or resorting to the services of sanitary workers).

specifics of construction of septic tanks

In order to avoid structural distortion during its operation due to the fact that the soil tends to swell, it is necessary to construct expanded clay or crushed rock substrate, as well as a bed of sandbefore installing wells.Filling should be not less than 30 cm in thickness.

very important to spend quality waterproofing works, since it is necessary to ensure the safety to the environment when using the facilities.Isolation is performed using special compounds and inside and out, as human waste water are very aggressive and cause the concrete to corrode.

• Waterproofing external walls is carried out using a roofing or mastic
• Internal insulation is performed with liquid glass or special mastics

Each section of the treatment plant is equipped with manholes for inspection, maintenance and repair.

Determination construction volume

V = (N * n * 200l) / 1000 [cu.m] where

• V - the required volume of the septic tank, a cube.m
• N - number of users Sewer
• n - time wastewater treatment in septic tanks, 3 days

Alternative technical solutions

to build on the site sewage system, there are other solutions, like a septic tank made of concreterings.Scheme of wastewater treatment in them similar, they differ only design.

To build a monolithic concrete septic tank will need to purchase a few rings for the well walls, concrete mortar, durable polymer, metal and bricks.First, perform earthwork, then laid pipes and the formwork, then concreted structure.

To ensure uniformity of drying concrete it occasionally moistened with water and covered with oilcloth.

Install wells, septic tank covered concrete slab with holes for manholes and inspection of pipes.So, as in improvised septic tanks is not necessary filtration system, to enhance the process they add anaerobic bacteria.

To construct his own septic tank, you can buy ready-made designs as Tapas or tank.Their installation is considerably easier and faster, and the cleaning effect is much better than the easy options.

perfect technological solution for arrangement of sewage is the septic tank of concrete rings.The scheme of this treatment plant is simple, but its use is very suitable for wastewater treatment in private areas.