Pumping septic tank : question and answer

What is a septic tank?

In simple terms, a septic tank can be thought of as a small sewage treatment system consisting of a pond and a septic system. When sewage enters the pool, bacteria will decompose the sewage anaerobic, which will reduce the volume of solid waste, and then discharge it after sedimentation, and the degree of water pollution will be reduced.

【Cross-sectional view of septic tank construction system】

Pumping septic tank : question

How often should a septic tank be pumped?

The cycle of pumping water and fertilizer is related to the temperature, air temperature, building properties and drainage quality and quantity of sewage. The general normal principle is to draw once a year. If it is a place with a large number of users, such as: company offices, public offices, factories, hospitals, restaurants, community apartment buildings, schools, various military units, because the volume is relatively large, it is recommended to draw half a year. once.

(Quoting from the Environmental Protection Agency: According to research on septic tanks, if the waste is cleaned every six months, the treatment efficiency can reach 51%; if it is cleaned once a year, the treatment efficiency is 28%; if not cleaned, the treatment efficiency is only 3%, Therefore, it is recommended that the public should clean it 1-2 times a year.)

How do you know if your septic tank is full?

  • The toilet gradually becomes difficult to flush.
  • Other households (toilet) flush. Your toilet will make the sound of blowing bubbles.
  • At the beginning of the toilet, there will be a phenomenon that the water is getting slower and slower or there will be a popping sound. Too much poop is accumulated. The drainage and exhaust are blocked. The toilet water is flushed instantly. The air is flushed into your toilet. This phenomenon will occur.
  • The process of oxidative decomposition of manure will produce biogas. Biogas is as harmful as gas, but it is colorless and odorless. For good health, regular cleaning is recommended

How to calculate the load of pumped fertilizer (septic tank)?

  • General households below the 5th floor can use a small 3.5-ton truck to load 1.5 tons
  • For small communities below the 7th floor, a medium-sized 6-ton truck can load 3 tons
  • The price of large communities and building companies can load 12 ton with a 10.5 ton car (The fare will increase slightly depending on remote areas or mountains)
  • An estimate is required for the project. Welcome to contact Shengchang Enterprise, a special person will serve you.

Why are toilets often blocked or blocked?

Because the septic tank is full, and if it is serious, it will overflow with dirt. The only solution is to ask a water and fertilizer truck to suck up the dirt. Usually, non-corrosionable substances should be avoided from being discharged into the toilet. Such as toys, plastics, sanitary napkins, thick paper, cloth, condoms, cigarette butts, etc. The accumulation of incorruptible substances in the septic tank will affect the normal operation, resulting in blockage of the septic tank, reverse flow of feces, and obstruction of the toilet.

Can the cleaning hole of the septic tank be sealed with cement?

Unless the sewage has been built underground, in order to facilitate the cleaning of the septic tank, the general households seal the septic tank with cement to solve the odor and indecent problems of the pumped septic tank on the surface, but it actually causes maintenance and maintenance. The inconvenience of cleaning makes it more prone to blocking problems.

public pipeline

The public pipes are regularly maintained to maintain the pipelines to achieve the maximum effect of smooth pipelines. Generally, after 4 to 5 years of use for public main pipes, it is easy to reduce the drainage due to the accumulation of debris in the pipes, resulting in back blockage, overflow and even indoor flooding. Residents and management committees cause distress.

Causes of accumulation and blockage in the main pipe:

Sezage and manure mains

(1) Amino acid precipitation and crystallization

(2) The decoration waste is flushed into the sedimentation pipe from the toilet

2. Waste water mains:

(1) The oil and kitchen waste generated by the use of the kitchen will accumulate in the pipe due to the accumulation of scale over the years.

(2) Cotton yarn discharged from balcony washing machine

(3) Bathroom drain holes, discharged hair and sundries

3. Rainwater and drainage pipes on the top floor:

(1) Moss, dust, sediment, etc. are washed into the pipe by rainwater and then deposited in the flat pipe
 

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