Adopting intelligent microcomputer frequency conversion technology, negative pressure processing technology, to achieve non-negative pressure water supply, water supply equipment, water inlet installed filters and butterfly valves in series with the water pipeline, when the tap water is lower than the user's desired set pressure, intelligent microcomputer-controlled pump soft start operation until the user's actual pressure is equal to the set pressure of the network, the higher the pressure, the lower the speed of the pump. The higher the tap water pressure, the lower the speed of the pump. The lower the tap water pressure, the higher the speed of the frequency conversion pump, making full use of the original tap water pressure to achieve superposition, to ensure that the user needs the set pressure, increasing the energy saving points of the frequency conversion speed control negative pressure equipment, when the tap water pressure decreases (below the low water level of the flow stabilizer compensator), the vacuum suppressor and the negative pressure detecting device in the compensator to collect the vacuum and water level signals, and then through the intelligent microcomputer control negative pressure eliminator and the negative pressure device in the compensator, the pump will start to run. Compensator in the negative pressure device work to inhibit negative pressure, to ensure that the city pipe network does not produce negative pressure impact, tap water is not enough when the negative pressure device is closed, water supply from the bypass pipeline, when the tap water pressure rises, the negative pressure device work, water supply by the non-negative pressure equipment. In order to ensure that each pump is used for an equal period of time, the cycle time can be set arbitrarily through intelligent microcomputer control.
Composition of the equipment: intelligent microcomputer control cabinet, frequency conversion pumping unit, flow stabilizer compensator, negative pressure controller, vacuum regulator, pipeline valves, (emergency water tank, user-selectable) instrumentation and other components.
Huatao ZWG intelligent non-negative pressure water supply equipment advantages:
1. Tap water sent by the water purification plant in the case of fully sealed, directly to the user, intelligent microcomputer soft-start control pumping unit, water pressure is stable.
2. The original pressure of the pipeline network all use, the user pressure difference between how much to make up for how much, energy-saving effect of up to 50% -90%, when the tap water pressure to meet the requirements of the equipment shutdown protection, equipment running costs are low, the use of economic.
3. No need to build pools or tanks, equipment in the water pipeline docking, short installation cycle, saving land and investment.
4. When the water stops, the water supply from the bypass pipeline, the incoming automatic start-up, automatic shutdown of the water stoppage, the incoming automatic start-up, no need for special care, no need to purify and disinfect the equipment, to further save investment. Intelligent and fully automatic operation of the equipment, the service life is extended by more than 5 times.
5. The world's advanced man-machine interface control system can be used, dynamic, accurate, real-time, clear, simple display of water pressure, water pressure, set pressure, pump current, operating frequency and other operating data and status, fully automatic intelligent operation, man-machine interface, easy to operate, reliable. According to the user needs to connect the emergency water tank and ultraviolet sterilizer and other equipment access.
Huatao ZWS intelligent non-negative pressure water supply equipment scope of application:
1. new residential communities or office buildings and other living water
2. industrial and mining enterprises and a variety of water supply system
3. tap water pressure is insufficient for intermediate pressurized pumping station
4. various circulatory systems (air-conditioning systems, heating systems, etc.)
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5. Already built pools, tanks, barometric tanks, the complete transformation
6. Deep well pump frequency conversion equipment supporting the transformation
Huatao ZWS intelligent tank-type non-negative pressure water supply equipment technical parameters:
Flow rate range: 0 ~ 10,000 m?/h
Pressure range: 0 ~ 4MPa
Pump motor power: 0.75～550KW
Pressure adjustment accuracy ≤ 0.01MPa
Power supply: 380V ± 10% 50HZ ± 2HZ
Ambient humidity: 0～40℃
Ambient humidity: 90% (electric control part)
Compensator and tank: 0.5m?~100m?
Equipments Model Description
ZWS intelligent tank-type non-negative pressure water supply equipment working principle:
Water supply equipment inlet installed filters and butterfly valves in series with the tap water pipeline, when the tap water is lower than the user's required set pressure, the intelligent microcomputer-controlled pumps soft-start operation until the user's actual pressure of the network is equal to the set pressure, the higher the pressure of the tap water, the lower the speed of the water pump. The lower the tap water pressure, the higher the speed of the frequency conversion pump, making full use of the tap water original pressure to achieve superposition, to ensure that the user requires the set pressure, when the tap water pressure is reduced (below the low water level of the flow regulator compensator) or water shutdown, vacuum suppressor and compensator in the negative pressure detection device to collect the vacuum and water level signals, through the intelligent microcomputer control of the negative pressure eliminator and the negative pressure compensator in the negative pressure device work, inhibit Negative pressure is generated to ensure that no negative pressure impact on the city pipe network, tap water is not enough when the non-negative pressure device is closed, water supply from the emergency tank (user-selectable), when the tap water pressure rises, the non-negative pressure device works, the emergency tank is closed, water supply from the non-negative pressure equipment. In order to ensure the fresh and pure water quality of the emergency water tank, through intelligent microcomputer control, you can arbitrarily set the pump cycle and water tank cycle time.
ZWS series tank-type intelligent non-negative pressure water supply equipment features:
1. Through intelligent microcomputer control, in connection with the water network does not produce negative pressure, when the water network pressure drops to the minimum flow, automatically and smoothly switch to the intelligent pressurized tank to ensure the safety of water supply to the network to ensure that the user does not have uninterrupted water requirements.
2. Intelligent pressurized water tank, piping, valves and other food-grade 304 stainless steel, under the control of intelligent microcomputer, automatically in the intelligent water tank and non-negative pressure water supply cycle between the tank water source switching at regular intervals to ensure that the pressurized water tank water quality is fresh.
3. ZWS intelligent tank-type non-negative pressure water supply equipment fully superimposed on the tap water network pressure energy saving effect of up to 50% -90%.
4. When the water supply network stops or the pressure is not stable, it automatically switches to the intelligent pressurized water tank, which improves the safety of the user's water.
5. ZWS intelligent tank-type non-negative pressure water supply equipment installation cycle is short, and the equipment is supplied in complete sets of production.
Selection instructions
ZWS intelligent non-negative pressure water supply equipment is based on the tap water intake (by the tap water pipe diameter, pressure, length and other conditions) the user's actual water consumption, the height of the building and other data to determine.
The flow rate in the selection table are designed according to the unit, the equipment model is commonly used models, but also according to the user's special requirements are designed separately.
The flow rate in the table does not include standby pumps, the number of pumps in the table are no standby pumps.
The recommended specifications of the pressure stabilizing compensator in the table are designed under the condition that the tap water meets the user's requirements, if the tap water pressure is very thin or insufficient pressure, the water inlet can not meet the needs of the peak water consumption, it is necessary to re-design the volume of the stabilizing compensator, and the recommended formula is as follows:
V volume = (Q out - Q in)T
Q in - the peak water consumption of the tap water into the water volume (cubic meters)
Q in - peak water consumption of water inlet Water volume (cubic meters)
Q out - water consumption of the user during the peak period (cubic meters)
T the duration of the peak water consumption