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| Warranty: | 1 Year |
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This equipment is mainly used for treating domestic sewage from residential areas (including villa communities), high-end hotels, hospitals, office buildings, and various public buildings.
The effluent quality after treatment with this equipment meets national discharge standards.
The entire set of equipment can be buried underground, hence it is also known as "submerged domestic sewage treatment equipment."
1.High Automation: Capable of unattended operation and remote monitoring.
2.Low Failure Rate: Each unit undergoes strict factory testing, resulting in low failure rates and minimal maintenance.
3.Dual Recycle Systems: Equipped with both mixed liquid recirculation and sludge recirculation systems, allowing autonomous adjustment of recirculation rates based on water quality changes. The mixed liquid recirculation facilitates denitrification, while the sludge recirculation ensures adequate microbial population, ensuring stable operation.
4.Durable Materials: The shell is made from carbon steel, stainless steel, or fiberglass. Carbon steel is protected with epoxy coal tar pitch for corrosion resistance.
5.Reinforced Design: Internally reinforced and can be buried up to 2 meters deep or used above ground.
6.Efficient Distribution: Each compartment includes a water distribution system with no short-circuiting, achieving up to 89.8% tank utilization, 15%-30% higher than systems without or with conventional water distribution.
7.Specialized Aeration: Features a custom micro-hole aeration device that prevents clogging and ensures thorough mixing of wastewater, activated sludge, and dissolved oxygen, significantly enhancing oxygen transfer efficiency and microbial activity.
8.Advanced Fillers: Utilizes functional, bio-compatible composite fillers that allow rapid biofilm formation, fast microbial growth, and high activity, resulting in superior effluent quality.
| Name | Main Influent Indicators | Main Effluent Indicators |
| COD(mg/L) | ≤500 | ≤60 |
| BOD(mg/L) | ≤350 | ≤20 |
| Ammonia Nitrogen (mg/L) | ≤45 | ≤15(8) |
| PH | 6.0-9.0 | 6.0-9.0 |
| sS(mg/L) | ≤270 | ≤20 |
| TP(mg/L) | ≤5 | ≤1 |
(1) Be able to treat the comprehensive wastewater of the living system and its similar organic sewage;
The company has strong technical and production capabilities, as well as a team of dedicated water treatment professionals.
It holds a Class II qualification for professional contracting of environmental protection engineering, a safety production license, more than 50 utility model patents, 13 invention patents, and 1 international invention patent, 27 software copyrights, and has passed the CEP certification of the China Environmental Protection Association and the three-system certification.
The company has been awarded multiple titles and honors such as "Specialized and New", "Invisible Champion of Weifang City", "Enterprise Technology Center", "Famous Brand of Shandong Province", "One Enterprise One Technology R&D Center", "Weifang Industrial Design Center", and "Weifang Key Laboratory".
It has experienced process design and industrial design teams, a high-level and high-quality production team, professional service personnel, and a meticulous, efficient, and responsive after-sales team.
Founded in 2013, Shandong Zhong Qiao Enlightenment Environmental Protection Equipment Co., Ltd. is a high-tech enterprise that integrates technology research and development, project design, equipment manufacturing, engineering installation, commissioning, operation, and technical consulting services.
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