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Home > Water purification project > Paper printing and dyeing water treatment system

Paper printing and dyeing water treatment system

DAWT·2022-05-09

System Introduction

Most of the water used in the paper industry is demineralized water or pure water. On the basis of meeting the user's water standards, Rongda Environmental Protection is equipped with a liquid level control system in the water tank, a pressure protection device in the water pump, an online water quality detection control instrument, and a PLC programmable controller in the electrical system. No one is responsible, and at the same time, the unified method of recommendation and customer requirements is adopted in the selection of process materials, so that the equipment has higher cost performance and equipment reliability compared with other similar products.

Production water for processing cotton, linen, chemical fibers and their blended products, silk-based printing and dyeing, wool dyeing and finishing, and silk factories. Different types of fibers and processing techniques, the amount and quality of pure water for printing and dyeing are also different. Ordinary tap water or well water cannot meet the needs of production. Poor water quality has a great impact on product quality and performance. Therefore, it is necessary to treat raw water into pure water before it can be used, so as to improve product quality and performance, then it is necessary to Industrial pure water equipment uses deionized water. On the basis of meeting the user's water standards, Rongda Environmental Protection is equipped with a liquid level control system in the water tank, a pressure protection device in the water pump, an online water quality detection control instrument, and a PLC programmable controller in the electrical system. No one is responsible, and at the same time, the unified method of recommendation and customer requirements is adopted in the selection of process materials, so that the equipment has higher cost performance and equipment reliability compared with other similar products.

造纸印染行业净水设备图

System Features

1. The system adopts automatic control (manual control is also available), and automatic backwashing and regeneration procedures can be set when the system is running;

2. The wiring of each unit is unified in the factory, reducing the installation and debugging time;

3. The primary reverse osmosis and the secondary reverse osmosis are equipped with a return pipeline, and the reverse osmosis equipment is equipped with a chemical cleaning device;

4. The pipes are generally made of UPVC;

5. Integrated control system and integrated instrumentation system to facilitate operation and management;

6. Regular cleaning of RO membrane It has the functions of starting up and regularly cleaning the RO membrane to prolong the service life of the RO membrane;

7. Water recovery rate Through the special process design, the recovery rate of the equipment is greatly improved, up to 70%;

8. The equipment has an automatic reminder function for the replacement of consumables, and the replacement cycle of consumables depends on changes in water quality and pressure, not on the use time of consumables, taking into account the differences in water quality in different places, and the design is more scientific;

9. Self-protection function The protection function of automatic shutdown when the source water is short of water also has the function of automatic water production when the water tank is short of water, and automatic shutdown when the water is full.

Process flow

造纸印染行业净水设备工艺流程图
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