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Weili Environmental Technology Group Leachate Treatment Project for Waste-to-Energy Plants

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Category:

Environmental Protection & Water Treatment

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Product Description

Weili is a leading enterprise in China’s leachate treatment industry, and one of the earliest domestic companies to scale up the deployment of external‑type MBR plus nanofiltration (NF) technology. It has also participated in the development of industry standards for leachate management. Its business spans EPC engineering, equipment supply, and project operations, with leachate treatment projects implemented at more than 200 waste‑incineration plants nationwide, totaling over 280 leachate projects—more than 100 of which are dedicated to incineration‑plant leachate. In addition, Weili boasts an extensive portfolio of international projects.

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Frequently Asked Questions

Precautions for Shutting Down a Plate Heat Exchanger

When shutting down the heat exchanger, first slowly close the hot-side inlet valve, then slowly close the cold-side inlet valve, and finally close both the cold- and hot-side outlet valves. After all valves are closed, stop the pump; if necessary, open the drain valve.

Precautions for Starting a Plate Heat Exchanger

Inspect the clamping bolts and tighten them to the specified torque, ensuring even diagonal tightening. Verify that the inlet and outlet valves and the vent valve are in good condition and that all instruments are functioning properly. During startup, vent the system first, then introduce the cold medium before introducing the high‑temperature medium. Gradually open the inlet and outlet valves while carefully controlling the pressure differential between the two sides.

Precautions for Disassembling Plate Heat Exchangers

Before dismantling the plate heat exchanger, the clamping dimensions shall be measured and recorded. L; Loosen the clamping bolts alternately in a diagonal sequence.

Precautions for Storing Plate Heat Exchangers

Plate heat exchangers should be stored in a dry, well-ventilated warehouse, with the ambient temperature not exceeding 45 °C 。

When a plate heat exchanger has been out of service for more than six months, the internal fluid must be completely drained. It is advisable to loosen the clamping bolts in advance to ensure that the gap between the two clamping plates reaches 1.2 times L is recommended; clamp it to L when in use.

Causes of Leakage in Plate Heat Exchangers

1) Gasket aging; 2) System overpressure; 3) Loose clamping bolts causing external leakage; 4) Plate corrosion leading to internal leakage.

What are the characteristics of a plate heat exchanger?

Ametech has introduced advanced technologies and design principles, placing user reliability and optimal operational performance at the core, to maximize heat exchange efficiency and minimize energy losses. Ametech has introduced advanced technologies and design principles, placing user reliability and optimal operational performance at the core, to maximize heat exchange efficiency and minimize energy losses.