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Sewage treatment plant operation

114-11-11

Sewage treatment plant's operation unit may divide into physical, chemistry and the biological treatment three kinds.

Blocked sewage channels TK-101
Main function
The main waste water originates including buries the field water seepage, the sanitary sewage and the car wash waste water,Powerequipment is to be Blocked by him sewage channels (TK-101),Flow size to ultrasonic flow meter (FE-101) after the detection,Transferred to the central control room, larger dirt to trash rack equipment (M-101) to remove, Trash rack equipment (M-101)start the way (LS-101) to control by the liquidometer, avoids causing have blocking.

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Leachate collection wells TK-102
TK-102Main function

Besides will bury water seepage of interim the collection, in addition comes from the sand washing equipment(M102/M1034), the chemical sludge concentration basin (TK-203) and the biological sludge concentration basin (TK-204) on theclear liquid flow enters,wait until After a certain water level meter (LS-102) to detect liquid level to flow into the pump(SP-101A / B) pumped to the subsequent processing.

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Sand washing equipment M-102/M-103
Main function

Removal of seepage water contained in the sand to protect subsequent processing unit to prevent sedimentation.
Sand washing equipment M-102/M-103 diagram

Mix thoroughly pool TK-103
Main function

Seeping into the treatment system for water quality and water quantity are constantly changing, the follow-up unit of processing toensure uniform and stable,set mix thoroughly pool ,(TK-103),In addition by air blower(B-101A/B)provides the aerationmaintains the suspended particulate matter does not subside, this trough has adjusts Gao Huo to lower the water quality and the watervolume, the water leakage divides into two parts,First, mix thoroughly pool water leakage pumps(SP-102A/B)provides treated water, the other is the follow-up when the maintenance unit,Send to by returning raw water to pump to send(As SP-103s/B) send to landfill.
Equalization tank TK-103 diagram

PH adjusts pool TK-104
Main function

his pool adding H2SO4 and NaOH products and using the pH meter (AE-101) control of wastewater pH value range of appropriate, tofacilitate coagulation reactions.

PH tiáozhěng chí TK-104 tú
13 / 5,000
pH Adjustment Tank TK-104 Diagram

Mixes the pond quickly TK-105
Main function
In this pool in waste water by adding appropriate aggregation agent PAC (MP-303A/B) and adjust the pH value (AE-101), using fastmixing mixer (MX-102) after rapid mixing, destruction steady state.
TK-105 fast mixing tank diagram

Cementitious pool TK-106
Main function

By adding a chemical Polymer Polymer (MP-304A/B) and the mixing device (MX-103) after adequate mixing, SS agglutination toproduce thick glue feathers, then overflow to the primary clarifier (TK-107) row solid-liquid separation, clear liquid on to the firstparagraph of anaerobic pool (TK-108A/B), scum and the underlying chemical sludge thickening of sludge to storage pools (TK-203).
Gelation tank TK-106 diagram

Primary sedimentation tank TK-107
Main function

By adding chemical and after adequate mixing, SS aggregation into larger glue feathers, then overflow to the primary clarifier(TK-107) do of solid-liquid separation, clear liquid on to the first paragraph of anaerobic pool (TK-108A/B), scum and theunderlying chemical sludge thickening of sludge to storage pools (TK-203).
Primary sedimentation tank (TK-107 diagram)

first paragraph of anaerobic pool TK-108A/B
Main function

Anaerobic biological treatment technology of wastewater, is under oxygen-free environment, decomposition of organic matter isdue to a variety of common microorganisms,Phased manner in relay response, and finally generate CO2 and CH4,This point of viewof thermodynamics, anaerobic reaction is different oxidation / reduction of organic pollutants by type of microbial metabolism,re-composition of organic pollutants in the highest oxidation state by microbial metabolism, re-composition of the highest oxidationstate of carbon dioxide and the highest reduction state of methane,in the pond waste water uniform mixing needs the mixer(SMX-101A/B, SMX-102A/B) to coordinate to mix well the pond water pump (SP-102A/B) simultaneously the starting operation.
First anaerobic tank (TK-108A/B diagram)

First paragraph aerobic pool TK-109A/B/C/D
Main function

After trash seeps out Water anaerobic-aerobic treatment processing, after waste water in nitrogen, phosphorus organic pollutantelimination decrement, then uses the powdery activated carbon high contact surface area and the adsorption characteristic thedifficult decomposition the organic pollutant elimination.
First section aerobic tank (TK-109A/B/C/D diagram)

Middle pool(一) TK-110
Main function
In 

First paragraph aerobic pool (TK-109C / D) back to the first anaerobic treatment tank (TK-108A / B).

Intermediate Pool (I) TK-110 Diagram

Sedimentation tank(一) TK-111
Main function

The festivity of sewage treatment, the water delivered by gravity (TK-112A / B), scraping scum slag arm will be sent to scumwells (a) (TK-201),produces the sludge after the gravitational settling (M-105) sweep to the mud scraper to the sludge well, apartial backflow (VP- 106A/B) to front end biological treatment unit (TK-108A/B),A part of the waste (VP-107A / B) dischargedto the storage of biological sludge thickening tank (TK-204); return sludge pump (VP-106A / B), waste sludge pump (VP-107A / B)And electric valve (MV-102, MV-103) by adjust evenly pool out water pump(SP-102A / B) starting close control.
Sedimentation Tank (I) TK-111 Diagram

The second section Anaerobic pond to enter flow well

Main function

Inlet sources including from sedimentation tank (a) (TK-111) return sludge distribution channel (TK-206), through the two brakegate (GT-102A/B) assigned to the second paragraph after anaerobic pool (one or two) (TK-112A/B)
Diagram of the anaerobic tank inlet well (second section)


The second section Anaerobic pond TK-112A/B
Main function

With the anaerobic response pond (one, two)(TK-108A/B)。
Second anaerobic tank (TK-112A/B diagram)


The second section paragraph aerobic pool TK-113A/B
Main function

With the first paragraph of aerobic pool (1~4)(TK-109A~D)。
Second section aerobic tank (TK-113A/B diagram)