Product definition:
The box-type non-negative pressure water supply equipment can be directly connected to the water supply network to ensure that the water supply network does not generate negative pressure. The water in the closed water tank can be pressurized at peak times to compensate for the lack of water supply in the water supply network and meet the user's water needs. . It is mainly composed of a closed water tank, a main pump unit, a frequency conversion control cabinet, a booster device, a water diversion device, a steady flow tank, a non-negative pressure flow controller, a pressure maintaining device and a pressure sensor. It is suitable for residential buildings, office buildings, hospitals, schools, office buildings and other buildings where the pressure of municipal water supply pipe network is insufficient.
Technical parameter:
The main technical indicators of boost pressure range, flow rate and energy saving indicators are higher than other domestic reported products, and the structural design is novel, and the overall level has reached the domestic leading and international advanced level. Therefore, it has a great competitive advantage in the market. . In summary, the main features of intelligent box-type non-negative pressure water supply equipment are protection of pipe network pressure, adjustment of peak water consumption, energy saving, safety, environmental protection, high-quality water supply (solving secondary water supply pollution) and low noise.
With the development of secondary water supply pressurization technology, box-type non-negative pressure water supply equipment has fundamentally solved these problems. According to the data of the "Water Supply Equipment Promotion Center", the box-type non-negative pressure water supply equipment does not require the construction of a water tower, has a small investment, and occupies a small area. The water supply does not need to be taken care of for several years after commissioning. Compared with the construction of water tower, it can save investment by 70%, and it can save investment by 60% compared with the construction of high-level water tank, which greatly saves civil construction investment. Box-type non-negative pressure water supply equipment is widely used for production, living and office water in enterprises, institutions, residential areas and rural areas. The number of water supply households is 20-2000. The daily water supply is 20-50000m3, and the water supply height is 150 meters, that is, a 50-story building.
Working principle:
The box-type non-negative pressure water supply equipment can be connected in series with the municipal pipe network to ensure that no negative pressure is generated on the municipal pipe network. During the peak water consumption period, the The flow of feed water required by users with insufficient pipe network supply.
When the public water supply network is less than or equal to 0.2Mpa (0.2-0.4Mpa can be set freely), the non-negative pressure device is closed, and the non-negative pressure water inlet device is opened. 10 minutes (time can be adjusted) No negative pressure device is opened, no negative pressure water inlet device is closed, and water is supplied by the public water supply pipe network. The water stored in the non-negative pressure water tank is circulated once every 6 hours through intelligent control to ensure that the water is fresh and pure.
The variable frequency pump of the box-type non-negative pressure water supply equipment runs at a certain speed, and the original pressure of the tap water is used to achieve superposition to ensure that the pressure and pressure required by the user are constant. The water inlet of the frequency conversion pump of the non-negative pressure water tank is connected with the non-negative pressure device and the non-negative pressure water inlet device, and the tap water pipe network does not generate negative pressure while the non-negative pressure device starts and stops by opening and stopping the non-negative pressure device? The non-negative pressure water inlet device will make the opposite action to the non-negative device.
The tap water pipe network shuts down automatically without negative pressure device, and the non-negative pressure water inlet device of the water tank automatically opens to supply water from the water tank. When the liquid level of the water tank is low to a certain level, the non-negative pressure water inlet device is automatically closed, the equipment is automatically shut down, and it is automatically put into operation when the power is restored.
