Automatic water softener 100-150L per hour

Overview

Softening, as the name implies, reduces the hardness of water. The softened water system consists of three parts, namely the ion exchange part, the salt regeneration part and the control part. Ion exchange technology is the working principle of the softening system. Its main body is ion exchange resin. Since the hardness of water is mainly formed and expressed by calcium and magnesium, cation exchange resins are generally used to remove Ca2+ and Mg2+ in the water (the main components of scale formation). ) After replacement, with the increase of Ca2+ and Mg2+ in the resin, the efficiency of removing Ca2+ and Mg2+ by the resin gradually decreases. Therefore, when the water softening equipment is used for a period of time, it is necessary to regenerate the resin with the salt regeneration part to restore the efficiency of the resin and increase the service life of the resin. The control part can realize the automatic operation of the whole system, and automatically regenerate salt according to the running time of the system or the amount of water passed.

Principle

The fully automatic softened water system uses the principle of ion exchange to remove calcium, magnesium and other scaled ions from the water to soften the water. The system is an integrated equipment composed of resin tank, salt tank (softening resin), controller, etc. The system adopts the siphon principle to absorb salt, automatically injects hydrating salt, and does not need auxiliary equipment such as salt pump, salt dissolving, etc.
The principle of sodium ion exchange softening treatment is to pass the raw water through a sodium cation exchange resin to exchange the hardness components Ca2+ and Mg2+ in the water with the Na+ in the resin, thereby adsorbing Ca2+ and Mg2+ in the water to soften the water. If RNa represents sodium resin, the exchange process is as follows:
2RNa + Ca2+ = R2Ca + 2Na+ 2RNa + Mg2+ = R2Mg + 2Na+
That is, after the water passes through the sodium ion exchanger, the Ca+ and Mg+ in the water are replaced with Na+.
When the sodium ion exchange resin fails, regeneration treatment is necessary in order to restore its exchange capacity. The regenerant is a cheap and widely available table salt solution. The regeneration process reacts as follows:
R2Ca + 2NaCl = 2RNa + CaCl2 R2Mg + 2NaCl = 2RNa + MgCl2

Features

Simplified piping, saving space; stable and reliable operation; saving salt for regeneration; low operating cost; maintenance-free.
Wide applicability: can be used in industrial boilers, heat exchangers, central air-conditioning, food, pharmaceuticals, electronics and other industries

Technical requirements

Raw water hardness: ≤8mmol/L;
Residual hardness of effluent: ≤0.03mmol/L;
Working pressure: 0.2-0.6MPa;
Inlet water temperature: 2~38℃; working temperature: 2 -60℃;
Self-control power supply: 220V 50Hz; power consumption: 10W;
Resin model: 001×7 type strong acid cation exchange resin; (about 18 kg)
The inlet pressure is lower than 0.2MPa~0.4MPa
The total pressure loss of the equipment: 0.03MPa.
PH range: 1-14
Regeneration method: dynamic downstream (countercurrent) regeneration
Salt consumption: <160-250g/mol (according to water quality)
Water consumption: <2% of water production
Water treatment capacity: 100-150L/H
Dimensions: 480×280×1150 (mm)
Weight: 35Kg
Control method: time period type, resin exchange regeneration according to the set time.

Pentair Water Softener Tank

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