New combined buried sewage treatment equipment for township hospitals

  Buried sewage treatment equipment for township hospitals the source of sewage from township hospitals
Sewage from township hospitals mainly comes from outpatient service, wards, laboratories, preparations, operating rooms, injection rooms, laundry rooms, etc
The sewage from township hospitals contains germs, viruses and parasitic eggs, which have certain adaptability in the environment
Some of them even survive in the sewage for a long time
If this sewage is directly discharged, it will pollute the receiving water body
When people touch or eat the polluted water, vegetables and other food, it will cause the spread of diseases
Sewage treatment process of township hospitals
(1) Septic tank
The septic tank is set on the main discharge sewage pipe of each main building
According to the national hospital sewage treatment design code, the retention time of sewage in the septic tank is not less than 36h
Suspended impurities such as feces in the sewage are intercepted by the septic tank and anaerobic decomposition is carried out
The sewage reaches the preliminary treatment
As the septic tank is a supporting facility during the construction of the hospital, it has been completed after the completion of the project
Therefore, it is not within the design scope of the sewage plant

(2) Grating
Hospital sewage contains a large number of suspended solids and floating objects with large particle size
The role of the grid is to intercept and remove the above pollutants, and protect the pump unit and subsequent treatment structures

(3) SBR reaction tank
SBR reaction tank is the core structure of treatment facilities
The organic matter in sewage is oxidized and decomposed under the action of microorganisms

(4) Contact disinfection pool
The folded plate or contact disinfection pool shall be used late for contact disinfection to ensure that the sewage is in full contact with the disinfectant without short flow and dead corner, killing pathogenic bacteria and viruses

(5) Disinfection system
Hospital sewage disinfectants include liquid chlorine, sodium hypochlorite, chlorine dioxide, ozone, etc
liquid chlorine is a commonly used disinfectant

(6) The sludge in the sludge treatment SBR reaction tank and contact disinfection tank is collectively discharged into the sludge digestion tank
The sludge digestion tank is equipped with a sludge mixing pump to fully mix and react the sludge in the tank, so that the organic matter in the sludge can be further anaerobic degraded
In this process, part of the parasite eggs are killed
The sludge tank shall be cleaned once every six months
Before cleaning, a certain amount of disinfectant shall be added to the tank, and the sludge pump shall be started to mix the disinfectant with the sludge, so as to completely kill the parasitic eggs remaining in the sludge
Advantages of buried sewage treatment equipment in township hospitals
1
the integrated sewage treatment equipment for township hospitals produced by Henan Huanyuan Environmental Protection Technology Co
, Ltd
has been treated with carbon steel or stainless steel components by the factory, which is light in weight, easy to transport, easy to install, corrosion-resistant and long in service life;
2
the structure is reasonable and compact
It is favorable for thermal insulation when buried underground
It can still operate normally in cold winter and adapt to the vast climatic environment in North and South China; It can also be placed in the pond to integrate the terrain into the surrounding environment and reduce the floor area

3
no pollution, noise and peculiar smell, reducing secondary pollution;
4
it is not limited by the sewage volume of township hospitals
It is flexible and can be used alone or in combination with multiple hospitals

5
high degree of automation, low energy consumption and low management cost;
  6
the purification efficiency is high, and the BOD removal rate is 85% ~ 90%
Various indicators of the effluent meet the class II or class I (b) standards of the national discharge standard for pollutants from urban sewage treatment plants (GB 18918— 2002), which can meet the discharge standards
At present, many customers require further supporting facilities for advanced ozone oxidation treatment to meet the water quality standard for landscape environment water for urban sewage recycling (gb/t 18921— 2002) for recycling

Application scope of sewage treatment equipment in buried township hospitals
This equipment is applicable to the treatment of domestic sewage or similar industrial organic sewage in densely populated places such as township hospitals, residential areas, restaurants, hotels, sanatoriums, schools, mines, factories, stations, airports, etc
Some engineering examples of Henan Huanyuan Environmental Protection Technology Co
, Ltd
:

enterprise directory	sewage type	processing capacity	running effect	remarks
Anyang Hua'an Pharmaceutical Co , Ltd	pharmaceutical sewage	300 tons / day	industry level I standard emissions	EPC
Guangzhou Hotel	domestic sewage	500 tons / day	recycling of treated sewage	technical support
Puyang Huapu Food Co , Ltd	slaughterhouse sewage	1200 tons / day	up to standard emission	EPC

after the completion of the project, we will provide detailed operation manuals and free training for management and operation personnel of sewage treatment equipment in buried township hospitals
After the completion of the sewage treatment project of township hospitals, we will provide a half year free warranty period for the normal operation of the equipment, and various equipment faults shall be eliminated in a timely manner within the free warranty period
After the free warranty period, long-term maintenance is promised
During the warranty period, if the operation and management personnel of the sewage treatment equipment in the buried township hospital cannot eliminate the fault, they shall timely notify us, and we shall arrive at the site for treatment within 72 hours after receiving the notice
During the free warranty period, we make irregular return visits to assist the operation and management personnel of sewage treatment equipment in buried township hospitals in the management of sewage treatment projects