Chinese name, foreign name of softened water equipment
Power consumption/D
Raw water temperature-℃
Ambient temperature-℃
Working pressure
Waste water volume %-%
Raw water turbidity
Regeneration salt consumption
(Tap water standard) Treatment hardness/effluent hardness./
Regeneration mode downstream/countercurrent
Filter material cation exchange resin regenerant industrial salt ( Chemical composition)
Regeneration process operation r Backwash r Salt absorption r Water injection r Forward wash
Basic principle: The main working principle of softened water equipment is to use anion and cation to soften. Let the raw water pass through the anion and cation converter to remove calcium, magnesium, sodium and other ions in the water. The water that comes out is just water molecules. There are no other molecules that can effectively prevent scale.
When the incoming water is deep well water or the water source is very hard, the function of using softened water equipment is to remove the calcium and magnesium ions in the water and reduce the calcium and magnesium ions in the water. If there is no water softener or the water softener fails, the concentration of calcium and magnesium salts on the surface of the reverse osmosis membrane increases sharply, forming insoluble precipitates that block the pores of the reverse osmosis membrane, shortening the service life of the reverse osmosis membrane and increasing the maintenance cost of the equipment.
Equipment classification: industrial water treatment equipment, drinking water treatment equipment, filling equipment, water treatment accessories.
Industrial water treatment equipment
Large-scale reverse osmosis equipment for power plants, ultrapure water equipment for pharmaceutical, electronics and other industries, pure water equipment for watering flowers, melons and fruits, dosing equipment, boiler softened water equipment
Drinking water treatment equipment
/> Purified water equipment for the food and beverage industry, pure water and mineral water equipment for water plants, rural drinking water equipment, hotels, schools, government agencies, canteens and other direct drinking water equipment.
Filling equipment
Large barrel and small bottle filling line brush barrel capping machine
Water treatment accessories
Filter element booster pump reverse osmosis membrane membrane shell precision filter flow meter pressure Table ozone generator, ultraviolet sterilizer, scale inhibitor, etc.
Working process: The working process of a water softener generally consists of the following steps: backwashing, salt absorption (regeneration), slow flushing (replacement), and fast flushing. All processes of different softened water equipment are very similar, but there may be some additional processes due to differences in actual processes or control needs. Any softened water equipment based on sodium ion exchange is developed on the basis of these five processes. Automatic softener operation program:
.Operation (work)
The raw water enters the container (resin tank) containing ion exchange resin through the controller valve cavity under a certain pressure (.-.) and flow rate. The + contained in the water exchanges with the cations (+++, etc.) in the water to make the ++ ion content of the water out of the container reach the established requirements, thereby achieving the softening of hard water.
. Backwash
After the resin fails, backwash with water from bottom to top before regeneration. There are two purposes of backwashing. One is to loosen the compacted resin layer during operation through backwashing, which is conducive to full contact between the resin particles and the regeneration fluid. The other is to discharge the suspended matter and broken resin accumulated on the resin surface with the backwash water to facilitate exchange. The water flow resistance of the device will not become larger and larger.
. Regeneration salt absorption
The regeneration salt liquid flows through the failed resin layer at a certain concentration and flow rate to restore its original exchange capacity.
D. Replacement (slow cleaning)
After the regeneration liquid is filled in, there is still salt liquid in the exchanger that has not participated in the regeneration exchange. Use clean water less than or equal to the flow rate of the regeneration liquid to clean it (slow cleaning). To make full use of the regeneration effect of salt solution and reduce the load of washing.
. Forward cleaning (quick cleaning)
The purpose is to remove the residual regeneration waste liquid in the resin layer, usually cleaning at a normal flow rate until the water output is qualified.
. Fill the regenerant tank with water
Inject water with the amount of salt required for one regeneration of the solution into the regenerant tank.
Boiler Softening Editor
Boiler softened water equipment is a raw water pretreatment device launched to deal with boiler scaling. It removes calcium and magnesium ions in raw water and the elements that cause boiler scaling. Analysis of the reasons why the soft water hardness of boiler softened water equipment exceeds the standard:
The sampling port test of the soft water equipment is qualified, but the water hardness in the soft water tank exceeds the standard. The reasons for this phenomenon are as follows:
The regeneration cycle is set too much Due to metering inaccuracies caused by large or faulty flow meters, the resin failed to be regenerated in time when it should have been regenerated, causing excessive water to be injected into the soft water tank.
. The short normal washing time causes the waste brine that should be flushed away during the normal washing to be partially brought to the soft water tank.
, Insufficient water replenishment in the salt tank caused by unstable water supply pressure, too little salt absorption, insufficient positive washing, any of which can cause the hardness of the water after regeneration to exceed the standard and affect the water quality of the soft water tank.
D. Failure to add salt in time when there is very little salt in the salt box results in poor regeneration results.
. Improper operation and closing the water supply valve during a certain regeneration process.
Any of the above errors can cause a large amount of water exceeding the standard to be filled in a short period of time. The soft water tank requires qualified soft water to dilute the excessive water for a long time before the water in the soft water tank reaches the standard again.
The sampling port of the water softening equipment has failed multiple tests and failed. This situation is divided into the first water hardness test of the newly installed soft water equipment exceeding the standard and the hardness of the in-use soft water equipment exceeding the standard. Discuss respectively:
1. The first water test of the newly installed water softening equipment. Reasons for excessive hardness:
The shaped sealing ring at the junction of the central tube and the control valve does not form a seal. At this time, you should check: whether the length of the central tube is sufficient and whether the outer diameter meets the requirements. Whether you forgot to install the shaped sealing ring. Whether the shaped sealing ring is damaged. .
The center tube is damaged and has cracks.
The ratio of water supply D value to resin layer height is too large.
The ratio of feed water D value to resin exchange capacity is too large.
The water inlet and outlet are connected backwards.
2. Reasons why the soft water hardness in soft water equipment exceeds the standard:
The ratio of the water supply D value to the height of the resin layer or the resin exchange capacity is too large. Compared with the initial water test of new resin, the requirements for the D value of the water supply when using soft water equipment are stricter. When the height of the resin layer is .m and the total hardness is /D value of the water supply ≧/, it will be more difficult to ensure the soft water hardness./.
The resin exchange capacity is reduced due to resin poisoning and aging. The soft water hardness exceeding the standard caused by this reason is a gradual process and is not a sudden and obvious exceedance.
The amount of salt in the salt box is too low. When the amount of water in the salt box is normal but the height of the salt is less than the height of the water, the brine absorbed in the middle and late stages of the salt absorption step is likely to be unsaturated, causing the concentration of the brine diluted by the ejector to be lower than the regeneration requirement, affecting the regeneration effect.
The total amount of water in the salt box is too small. Our experience is that the amount of water in the salt box required for each resin in the resin tank is about - too much water below this standard will cause insufficient regeneration.
The suction of salt water is too slow and not enough salt water can be sucked in within a normal period of time. The reasons are as follows: the water supply pressure is too low, sediment and other debris in the upper and lower distribution water are clogged, serious waste water hose deformation, bending, etc. lead to poor drainage of waste water. There are too many impurities in the resin layer. There are leaks in the salt suction pipeline, causing air to be sucked into the ejector. There are foreign objects in the ejector. The air check valve has failed and is closed in advance or is blocked. The ejector model is too small.
Technical Parameters
) Raw water hardness [+]/i.e./(in meters) When the raw water hardness is --[+]/, it is recommended to use two-stage softening or appropriately reduce the effluent output. When the raw water hardness is [+] / It is recommended to use multi-stage softening or contact the company's engineering technology department for redesign.
) Outlet water hardness: .[+]/(in units)
) Working pressure: .-
) Working temperature: --℃
) Raw water turbidity:
) System water consumption: %
) Water consumption % of water production Salt consumption g/g equivalent
) Power consumption: - Since there is no need for a salt pump, the power consumption is only % of the general softened water equipment
) Working power supply: single-phase three-wire system
) Working power consumption:
) Periodic water production volume: =/(raw water - outlet water)
: Periodic water production volume or: resin volume consumption
Raw water: Raw water hardness [+]/Output water: Output water required hardness [+]/
: Working exchange capacity of the resin/Generally calculated according to %--% of the total exchange capacity of the resin.
Other reasons:
There is a large amount of gas in the resin tank. The gas may come from the air in the feed water or the air check valve is not closed tightly during the slow cleaning process.
No large grain non-iodized salt is used.
Internal leakage of the control valve is hard: When the internal leakage of the general control valve is hard, water will often flow out of the soft water port and the waste water port at the same time. However, for D or series, internal leakage may occur through the small holes on the ceramic moving plate. If this is the case, internal leakage may occur. Qualified soft water can be detected at the wastewater outlet when the drain is in the positive flushing position, but the hardness of the soft water exceeds the standard after it is turned to the operating position.
Chengke water softening device Florida factory direct sales