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Tunnel "Water Purifier" | Railway Construction Heavy Industry Sewage Treatment System Makes Tunnel Construction More Environmentally Friendly

November 16, 2022

For“Water quality pollution of sewage in tunnel engineering”Question,According to the actual working conditions of the tunnel,、Sewage composition and properties,Developed a tunnel project“Water purifier”,Used for treating various tunnel engineering sewage。That's what we have today.“The main character”——Sewage treatment system。

WSJ100 sewage treatment system

Tunnel“Water purifier”What it looks like

Railway construction heavy industry adopts modularization、Integrated design idea,In view of the tunnel construction sewage, the sewage treatment system with various quantities is developed.,The system mainly comprises a pre-sinking module,、Processing module、Filter press module,Each functional module and processing volume can be selected according to actual needs.。The construction site no longer requires the construction of three-stage sedimentation tank and other civil construction.,And that sewage treatment system is convenient to transfer to a site.,The modules may be arranged directly in the tunnel,Low requirements for site layout。

Tunnel“Water purifier”What's the black technology?

Tunnel“Water purifier”The treatment effect is good.,The reason lies in the device configuration:Closed-loop water quality monitoring system、Automatic pharmaceutical and dosing system、Full-automatic flocculation and sedimentation system、Multi-media filtration system、Program-controlled pressure filtration system、Intelligent control system,In particular to a practical closed-loop treatment process.:Sewage treatment process--Flocculation and precipitation+Filtration,Mud treatment process--Circulating size mixing+Filter pressing。

  

Flocculation sedimentation tank+Filtration

  

Circulating size mixing+Program-controlled pressure filtration

Tunnel“Water purifier”Use effect

“Yellow mud soup”Like sewage into the treatment system.,It is separated into clear water like mineral water.+Mud cake discharge system,Clean water can be directly reused for construction or discharged,Mud cakes can be directly transported to the slag yard。Of course, the specific process is more complex.:Sewage in the tunnel is collected and stored.、Preprecipitation、Flocculation and precipitation+Filtration、Circulating size mixing+Filter pressing、Filtrate recycling and other closed-loop treatment,In order to achieve sewage、Sludge treatment and filtrate recycling。

The tunnel purification equipment will not produce any toxic and harmful substances in the whole water purification process.,Without any peculiar smell,No harm to the operator,The sewage of the whole tunnel can be purified in the narrow tunnel.,Realize recycling and zero emission,The efficiency of tunnel construction and the utilization rate of water resources are improved.,The discharge of sewage to the outside of the tunnel is fundamentally prevented.。Filtrate treated by equipmentSSThe content is much lower than 10mg/L,SatisfyGB3838-2002《Environmental quality standard for surface water》Secondary protection zones for centralized drinking water surface water sources, etc.ⅢClass I water source requirementsGB8978-1996《Integrated wastewater discharge standard》Class I emission standard requirements。Mud cake moisture content as low as 35%,Convenient for outward transportation and reuse。

  

Comparison before and after sewage treatment

  

Comparison chart before and after pressure filtration

A sharp weapon in hand,Project progress is more guaranteed!The tunnel uses the railway construction heavy industry card.“Water purifier”After,Sewage treatment and recycling form closed-loop.,More green、Safe、Environmental protection。Railway construction heavy industry tunnel sewage treatment system with its simple structure、And that operation and maintenance are convenient、And that wat purification efficiency is high、Performance such as water quality monitoring and zero discharge“Flash point”Become a project in the construction process to protect the green mountains and rivers.,A capable person who defends the clear water and blue sky。

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