? Micro-power sewage treatment process-product features

1. The treatment process is mainly biological treatment process, combined with adsorption filtration, disinfection and sterilization, with high treatment capacity, wide application range and good effluent effect. Good;

2.? With an integrated structure, the whole set of equipment can be buried below the surface, and the surface can be used for greening or other land, without building and heating and insulation; Can also be arranged indoors;

3.? Low operation noise, no impact on the surrounding environment;

4.? High degree of purification, less sludge production;

5.? Deodorization adopts conventional high-altitude emission, and is equipped with soil deodorization measures, so no odor is generated; Tonghua integrated sewage treatment equipment, Tonghua domestic sewage treatment, Tonghua industrial sewage department

6. The whole equipment processing system is equipped with automatic control system and equipment fault alarm system, which is safe and reliable in operation, easy to operate, and requires no special person to be on duty, only timely equipment maintenance and maintenance.

micro-power sewage treatment process-integrated buried domestic sewage treatment equipment (introduction of each part)?

(1) Class A biochemical pool?

in order to control the dissolved oxygen in the class a biochemical tank at about 1.5mg/l, intermittent aeration is adopted in the tank. A-class biochemical tank is filled with a new type of elastic three-dimensional packing, which has the advantages of not being blocked easily, light weight, large specific surface area, stable treatment effect and easy maintenance and replacement. ?

(2) class o biochemical pool?

A/O biochemical tank is filled with columnar biological carrier filler, and the specific surface area of this filler is 1.6 ~ 21 times of that of general biological filler (same unit volume), so the biomass in the tank is kept high and the purpose of removing organic pollutants at high speed is achieved. The aeration equipment adopts blower and microporous aerator, and the utilization rate of oxygen is above 31%, which effectively saves the operation cost. ?

(3) secondary sedimentation tank?

After the sewage is treated by the O-class biochemical tank, the water contains a lot of suspended solids (biofilm falls off). In order to make the effluent SS meet the discharge standard, a vertical flow sedimentation tank is used for solid-liquid separation. There are 1 sedimentation tanks with a surface load of 1.1m3/m2·hr. The sludge in the sedimentation tank is lifted to the sludge tank by air stripping equipment, and at the same time, the sludge can be partially lifted to the A-level biochemical tank for sludge reflux according to the actual water quality, so as to increase the sludge concentration in the O-level biochemical tank and improve the removal efficiency. ?

(4) Sludge pond?

The sludge in the sedimentation tank is lifted to the sludge tank by air for normal temperature nitrification, and the supernatant of the sludge tank is refluxed to the contact oxidation tank for reprocessing. After nitrification, there is little residual sludge, which can be cleaned once every six months. The cleaning method can be that the dung suction truck can extend into the bottom of the sludge tank from the inspection hole for suction and transportation. ?

micro-power sewage treatment process-? Scope of application

The integrated sewage treatment equipment is suitable for the treatment and reuse of domestic sewage in residential quarters, villages, towns, office buildings, shopping malls, hotels, restaurants, sanatoriums, institutions, schools, military units, hospitals, expressway, railways, factories, mines and tourist attractions, and similar organic wastewater from small and medium-sized industries such as slaughtering, aquatic product processing and food. The water quality of the sewage treated by this equipment reaches the first-class B standard of the national comprehensive discharge standard for sewage treatment.

Micro-power sewage treatment process-integrated sewage treatment equipment has the following characteristics:

(1) High efficiency.

this process has a high removal effect on organic matter and ammonia nitrogen in wastewater. When the total residence time is more than 54 hours, the COD value of the effluent after biological denitrification can be reduced to below 111mg/L after coagulation and precipitation, and other indicators can meet the discharge standard, and the total nitrogen removal rate is above 71%.

(2) The process is simple, the investment is low, and the operation cost is low.

The organic matter in wastewater is used as the carbon source for denitrification, so it is unnecessary to add expensive carbon sources such as methanol. Especially, after the ammonia distillation tower is equipped with a device for removing fixed ammonia, the ratio of carbon to nitrogen is improved, and the alkalinity produced in the denitrification process correspondingly reduces the alkali consumption required in the nitrification process.

(3) high volume load.

As the enhanced biochemistry is adopted in the nitrification stage and the membrane technology of high-concentration sludge is adopted in the denitrification stage, the sludge concentration of nitrification and denitrification is effectively increased, which has a higher volume load compared with similar processes abroad.

(4) The anoxic/aerobic process has strong load impact resistance.

when the influent water quality fluctuates greatly or the pollutant concentration is high, the process can maintain normal operation, so the operation management is also very simple. Through the comparison of the above processes, it is not difficult to see that the biological nitrogen removal process itself is nitrogen removal, and at the same time, it also degrades phenol, cyanide, COD and other organic substances. Combined with the characteristics of water quantity and water quality, we recommend adopting anoxic/aerobic (A/O) biological nitrogen removal (internal circulation) process, so that the sewage treatment device can not only meet the requirements of nitrogen removal, but also meet other indicators of discharge standards.

Micro-power sewage treatment process-the principle of anaerobic biofilter

1), filtration: the filler intercepts and filters the large particles and suspended solids in the influent;

2) Hydrolysis: Anaerobic microorganisms can hydrolyze macromolecular insoluble substances into micromolecule soluble substances;

3) Absorption: Anaerobic microorganisms absorb and absorb organic pollutants in water, some of which are used for their own growth and reproduction, and some of which are discharged through U-shaped water seal in the form of biogas;

4) Denitrification: The effluent from the contact oxidation bed is refluxed to the anaerobic filter. Denitrifying bacteria in anaerobic microorganisms can utilize nitrate nitrogen in the refluxed water and convert it into nitrogen to remove nitrogen substances in sewage.