Working Principle
When the system is in the state of filtration, the unfiltered water passes through the unique water distributor, and the water is evenly distributed, and the water passes through the packing layer in the filter in a laminar flow state. When the water flows through the packing layer, the impurities are retained in the packing layer. At the bottom of the filter, there are a number of uniformly distributed water collectors, which collect and draw out the filtered water uniformly, and the advection filtration can make the filter filtered under high flow rate, and still achieve a better filtration effect.
With the accumulation of impurities in the packing layer, the internal pressure head loss will continue to increase. When the loss of inlet and outlet pressure head reaches the set value, the system will automatically activate the pressure setting device to make it switch to the backwash state, when this backwash is over, the hydraulic valve will change the direction of water supply to realize the backwash one by one, which is more convenient to clean the impurities that have been accumulated.
When the system is in the state of backwashing, filtration is still continuing, in which to backwash the standard unit sand tank is not filtered, the other standard unit sand tank in the system is still filtered. Filtered clean water is used to backwash part of the standard unit sand tank, the rest is still sent to the user. The backwash effluent is discharged through the backwash drain port of the hydraulic valve. In the high-speed sand cylinder automatic high-efficiency filtration system, the special water collector design can make the packing material between the packing material rubbing each other, maximize the backwash efficiency, reduce the required backwash water (clean water), and at the same time there is no material running phenomenon during backwash. A standard unit sand cylinder backwash for 2 minutes, backwash end, the standard unit sand cylinder internal pressure head loss is reduced to a reasonable range, the pressure device gives a recovery signal, the hydraulic valve returns to the filtration state, the next standard unit sand cylinder is ready to enter the backwash state.
Product features
1. Small size, easy to install, space saving. Can be installed outdoors, no need to build a room, save the cost of civil construction
- covers an area of very small, can be installed indoors and outdoors, but also up and down the layered installation, adaptability;
- compact structure, space-saving
- good corrosion resistance, indoor and outdoor can be installed
2. Good anti-corrosion performance of the equipment, applicable to the life of a long period of time.
3. Large amount of filtered water, good filtration effect
Fast filtration flow rate, high filtration precision
4. Automatic backwashing: backwashing is automatically identified and controlled by the intelligent control system without manual intervention
5. Uninterrupted water supply; when the equipment is backwashed, the filtration process is carried out at the same time, and the system supplies water as usual.
6. Adopt unique cloth and water collecting device
Because of the unique cloth system of the filtration system and the water collector with very even distribution, the water flow is laminar during the whole filtration process, and the plane of the filtering sand bed is always flat during the filtration process, and the quality of the effluent water is stable.
7. The use of refined quartz sand or garnet as a filter medium
Selected according to the water quality, the minimum particle size of the filter media can be 0.16mm homogeneous filter media
8. Long-term running costs are low, saving electricity, water, maintenance costs.
Electricity: the system has a unique automatic backwashing valve, sand filter tank backwashing is not carried out at the same time, but in the normal operation of the system, one by one, take turns to backwash, do not need to consider setting up a backwash pump. At the same time, compared with other sand filtration equipment, the head of the filtration pump is lower than 6-7m.
Water saving: the system because of its unique water refill and collector, unified specifications of the tank, so that the backwash does not require compressed air can make the media layer very uniform expansion for effective backwashing. The water used for backwashing is filtered clean water, so the amount of water consumed for backwashing is small. A single tank of backwash water is only 1m3 / min, backwash time is 2-3 minutes.
Saving maintenance cost: the whole system has no mechanical or electric valve, only rely on the unique multi-function valve to control the system backwash. As the unique multi-function valve has no wear and tear, long life, no damage record in 10 years, low management cost.
Product Application
1. Industrial water filtration--- There are certain system requirements for water quality. Such as: steel plant oxygen gun water, boiler, heat exchanger water supply filtration, etc., can be filtered out of impurities in the water, to avoid clogging of the pipeline several nozzles.
2. Industrial circulating water filtration system.
3. Raw water treatment - surface river water, lake water, seawater, reservoir water, well water, and urban tap water as a source of urban sub-district quality water supply, etc. to filter, remove sand, suspended solids, algae, organic matter in the water.
4. Agricultural irrigation---especially suitable for high flow, impurity content of good water sources, such as agricultural irrigation, parks and golf courses on the lawn irrigation.
5. Food processing industrial water, paper industry, power plant industrial circulating water treatment, etc., industrial and medical use of pure water pretreatment. Industrial production water recycling, industrial wastewater treatment.
6. Aquaculture, swimming and water parks and other industries.
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