Papua New Guinea Xiaocheng Town, Lianjiang County: Daily water supply of 5,000 tons

Xiaocheng Town is located at the southern tip of the Huangqi Peninsula, on the eastern coast of Lianjiang County. To the east, it faces Huangqi Bay and is separated from the Matsu Islands by the sea; to the south, it borders Dinghai Bay. Xiaocheng Town is an important historical, cultural, and marine economic hub in Lianjiang County. With marine industries and rural tourism as its pillars, the town has developed an integrated growth model encompassing “aquaculture, fishing, processing, and tourism.”

Category:

Papua New GuineaIntelligent combination stainless steel water purification equipment

Phone:86-591-83630655

Product Description

Project Overview

This device is suitable for purifying surface and groundwater—such as rivers, reservoirs, and lakes—whose water quality meets the Class I or Class II standards specified in CJ3020-93 “Standards for Water Quality of Domestic Drinking Water Sources,” provided that the turbidity of the water is less than 1500 NTU (with a short-term allowable peak of 3000 NTU). After purification by this device, the outgoing water quality will comply with the newly established national standard GB5749-2006 “Hygienic Standard for Drinking Water Quality,” covering ten routine daily-test indicators: color, turbidity, visually perceptible matter, odor and taste, pH value, total colony count, total coliform group, thermotolerant coliform group, Escherichia coli, and residual chlorine.

Main Technical Parameters of Water Purification Equipment

1. Net water volume: Rated daily water production: 20,000 cubic meters (tons)

2. Raw water turbidity: ≤1500 NTU, with short-term peaks up to 3000 NTU.

3. Turbidity of effluent: ≤0.5 NTU (up to 1 NTU in special cases)

4. Flocculation reaction time: 15–20 minutes

5. Flow velocity in the stable flow zone: 1.38–1.67 mm/s

6. Surface loading of the sedimentation zone: 5–6 m ³/m² ·h

7. Filtration rate: 6–7 m/h; for dual-layer filter media: 7–10 m/h

8. Filter Media: K80 < 1.5 Homogeneous Quartz Sand

9. Filter layer height: ≥1.2 meters

10. Filter pool backwashing method: air-water backwashing and full-process surface scrubbing

11. Rinse Process: The rinse process consists of first performing an air rinse at an intensity of 15 L/s·m for a duration of 2 to 4 minutes (adjustable); then followed by a simultaneous air-and-water rinse, with the air-rinse intensity...

15 L/s·m, water flushing intensity 2 L/s·m, duration 4 min (adjustable); followed by backflushing with water at an intensity of 6.5 L/s·m for 2 to 6 min (adjustable); and surface sweeping throughout the entire process.

Washing and scrubbing intensity: Q = 1.1 L/m²·s; self-controlled system in operation.

12. Minimum headwater: 7 meters

Water purification equipment process flow

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