8 results about "Water supply network" patented technology

The invention discloses a water supply system for an intelligent pipe gallery fire protection device. The water supply system comprises a device body, the device body is composed of a base, a water tank, a water supply pump and a water suction pump, the base is located at the bottom end of the device body, the water tank, the water supply pump and the water suction pump are located on the upper side of the base, the bottom end of the water tank is connected with the upper side of the base in a welded mode, one end of the water supply pump is provided with a water inlet pipe, the upper side ofthe water inlet pipe is provided with a guide pipe, the bottom end of the guide pipe is connected with a water supply pump through a connection flange, the guide pipe is connected with the upper end of the water tank in a penetrating mode, one side of the water supply pump is provided with a PLC, the PLC is connected with the water supply pump through a wire, and the water suction pump is locatedat the end, away from the water supply pump, of the water tank. When the water supply system is in use, the water suction pump is covered with the shell, a drying agent inside a first filler box willdry air inside the shell, it is ensured that dryness of surrounding of the water suction pump is kept, and the water suction pump is protected.

The invention discloses a daily evaluation device and method for a hydrostatic leveling system. The daily evaluation device comprises at least one group of hydrostatic leveling system formed by connecting a reference level and a working level in series, a plurality of sub-containers are also included; the sub-containers are communicated with a water supply system after being connected in parallelwith pipelines through sub-water inlet valves on the top surfaces of the sub-containers; the plurality of sub-containers are communicated with the hydrostatic leveling system through a water distributor after being connected in parallel with pipelines through sub-drain valves on the respective bottom surfaces of the sub-containers; and the hydrostatic level system is positioned below the sub-containers and has a fixed height difference value with the horizontal plane where the sub-containers are positioned. By means of the daily evaluation device of the hydrostatic leveling system, repeated quantitative irrigation of the system in the daily working period can be achieved so as to meet the requirements for benchmark measurement and evaluation of the hydrostatic leveling system. The evaluation device achieves equivalent water filling through the combination of the sub-containers connected with the water supply system after each test is finished and the same process, operation is convenient and rapid, repeated quantification is achieved, and the using function and effect of the evaluation device are stronger.

The invention provides water supply equipment with underwater acoustic communication, and the equipment comprises an ultrasonic sensor, a demodulation module and a main control module; the ultrasonic sensor is arranged in a water pipe connected with the water supply equipment and is configured to receive an ultrasonic signal transmitted in the water pipe and convert the ultrasonic signal into a receiving electric signal; the demodulation module is configured to demodulate a control instruction from the received electric signal, and the main control module is configured to control the water supply equipment to execute the control instruction. The invention further provides a water supply system comprising the water supply equipment. Communication between the water supply equipment and the water using ends is achieved through ultrasonic waves, communication between the water supply equipment and the multiple water using ends far away from one another can be not affected by factors such as walls, transmission is rapid and stable, and application and popularization are easy.

The invention provides an arrangement structure for improving the safety of a gravity flow water supply project and a regulation and control method. The arrangement structure comprises a gravity flow water supply main pipeline, wherein a large valve is arranged at the tail end of the gravity flow water supply main pipeline; the gravity flow water supply main pipeline is provided with a water supply branch pipeline at the upstream part of the large valve, and a small valve is arranged at the tail end of the water supply branch pipeline; and water outlet pools are arranged at the downstream parts of the large valve and the small valve. According to the arrangement structure for improving the safety of the gravity flow water supply project and the regulation and control method, the regulation and control mode is clear, the implementation difficulty and reliability are high, the stable operation of the gravity flow water supply project under different flows can be improved, the rising or falling of the water hammer pressure in the opening process and the closing process of the water supply system is improved, and the safety of the whole gravity flow water supply project is guaranteed.

The invention provides an RO + EDI efficient boron removal system which sequentially comprises a pretreatment system, a first-stage RO system, a second-stage RO system, an EDI system, a boron removaldevice and a water supply system, the first-stage RO system comprises a cartridge filter, a first-stage RO high-pressure pump and a first-stage RO device, and the second-stage RO system comprises a second-stage RO high-pressure pump, a second-stage RO device and a second-stage RO water tank. The EDI system comprises an EDI booster pump, an EDI cartridge filter and an EDI device, the water supply system comprises an ultrapure water tank and a rear-end polishing system, and a PH adjusting device is arranged between a water outlet of the first-stage RO device and a water inlet of the second-stageRO high-pressure pump. The problems in the prior art that the boron ions cannot be reduced to the target value through the traditional two-stage RO + EDI process and the water outlet requirement of the system cannot be ensured are solved.

The invention discloses a compensation energy-saving water supply system which saves energy and is friendly to the environment. The compensation energy-saving water supply system at least comprises a sealed water supply tank, at least three coating pressure bins are arranged in the sealed water supply tank, the sum of the sizes of the coating pressure bins is not smaller than 1/2 of the size of the sealed water supply tank, a pressure sensor is further arranged in the water supply tank, a vacuum check valve is arranged on the top of the sealed water supply tank, a water inlet and a water outlet are formed in the sealed water supply tank, the water inlet is connected with a water supply network through a water obtaining pipe, the water outlet is communicated with service pipes through a water supply pipe, the water obtaining pipe is provided with a water supply pump, and water purifying devices and emergency filtering devices connected with the water purifying device in parallel are arranged between the water supply pump and the water taking pipe.