∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ ∵ ∴ LLL Kaifeng senior secondary water supply equipment specific cognitive energy saving in China Hot Trends through the German company on the basis of the constant pressure water supply equipment developed Hohhot secondary pressurized water supply equipment, Hohhot secondary pressurized water supply equipment to take full advantage of the original water pipe network pressure energy in the same water supply demand , can be chosen relatively small power pumps and control devices, while in the case of small flow of water of the night in the tap water pressure direct water supply without the need to start the pump. compared to traditional with pool water supply equipment can save a lot of energy to run costs and investment costs. Hohhot secondary pressurized water supply equipment, water pumps and water pipe network is directly connected to the tank as the pump inlet water storage device with a pressure regulator vacuum eliminator to eliminate the negative pressure within the pipe network, making full use of water pipe network is directly connected to the tank pressure regulator as pumps the influent water storage device using vacuum to eliminate eliminate the negative pressure within the pipe network, water supply in the full use of the original pressure of the water pipe network based on increasing the pressure for the device not only to achieve the purpose of the increased [and did not affect the pipeline network other User of water], but also saves the built pool tank cast times, no secondary pollution at the same time to ensure that the water quality of the pipe network [], and can take full advantage of the original water pressure in the pipe network, the energy saving effect is extremely significant, up to 50% or more. negative pressure water supply equipment, automatic intelligent control, has a wide range of protection and control functions, enables true unattended. Hohhot secondary pressure water supply equipment without the construction of ponds, tanks, occupies a relatively small space, save on the initial investment of equipment and save a flush pond, pool disinfection costs. Hohhot secondary pressurized water supply equipment for a fully enclosed structure virtually eliminates secondary contamination of the water supply, water supply equipment for the new green. currently universal constant pressure water supply, cancel-ground pool, reducing secondary pollution of the water quality ★ construction and the cost of using an underground tank and underground pool of water pollution a problem. Hohhot secondary pressurized water supply equipment will be the development and extension of the constant pressure water supply equipment. inverter according to process requirements, it is recommended that ABB ACS600 series inverter equipped with the ACS 600 series inverter ABB company transferred directly Moment Control [DTC] technology, combined with many advanced manufacturing processes to deliver high-performance inverter It has a wide power range, excellent speed and torque control characteristics, complete protection functions and flexible programming capabilities than high reliability and a smaller volume. connection main technical data: power range :2.2-3000kW power supply voltage: 380/400/415/440/460/480/500VAC 3-phase ± 10%; power frequency :48-63Hz control : 2 programmable analog input [AI]; 1 programmable analog output [AO]; 5 programmable digital input [DI]; 2 programmable digital output [DO]. continuous load capacity: 150 % In, every 10 minutes, allowing 1 minute serial communications capabilities: a standard RS-485 interface enables the drive to be easily connected to the computer. protection features: overcurrent protection, I2t, overvoltage protection, undervoltage protection, thermal protection, short circuit protection, ground fault protection, undervoltage buffer, motor underload / overload protection, stall protection, serial communication fault protection, AI signal loss protection, etc. Compact structure, easy to install products through a variety of electrical safety standard certification, in line with GE, UL quality certification system ISO9001 and ISO4001. inverter unique Direct Torque Control [DTC] function best motor control, it can be the core of all AC motor variable direct control without speed feedback on precise control of motor speed and torque can be achieved., the ACS600 frequency converter built-in the PID, PFC, pre-flux and other eight applications macro, simply select the application macros are automatically set all parameters, input and output terminals also automatically configure the default application macro configuration greatly saves time and reduce errors. LLL Kaifeng senior secondary water supply equipment system characteristics, Hohhot secondary pressurized water supply equipment saving: optimized energy-saving control software, so that the water pump to achieve maximize energy saving operation;, Hohhot secondary pressurized water supply equipment water pipe network pressure: set based on actual water usage, automatic control of pump out the water, reducing the water running, and drain phenomenon; C, Hohhot secondary pressure reliable operation of water supply equipment: soft starter to the pump by the inverter, so that the water pump to achieve by working frequency to frequency shock switch to prevent the impact of the pipeline network to avoid the pipe network pressure gauge pipe rupture D, Hohhot secondary pressurized water supply device networking features: all-Chinese industrial control configuration software, real-time monitoring of various sites, such as motor voltage, current, operating frequency, the pressure in the pipe and flow and to build up the electricity consumption of each site, cumulative each pump out of the water, while providing various forms of print statements, in order to analyze the statistics. E, the Hohhot secondary pressurized water supply equipment and flexible control: segmentation water supply, regular water supply, manual selection work. F, the Hohhot secondary pressurized water supply equipment perfect protection function: If a pump fails, initiative the upward-bit machine alarm information, and at the same time start the standby pump to maintain the balance of water supply in case of failure of the automatic control system, the user can directly manipulate the manual system, in order to protect the water supply. LLL Kaifeng senior secondary water supply equipment introduced in recent years, the emergence of a new pressurized water supply equipment, microcomputer control frequency conversion constant pressure water supply the First set according to the actual situation of the working pressure of the water point and time monitoring municipal pipe network pressure, when pressure below the desired pressure, microcomputer automatic control sub-inverter startup, adjust the pump speed is increased, the rise until the pressure in the pipe to the desired pressure and control constant pressure water supply pump with a constant speed operation when water consumption increased when the speed is increased, the speed is reduced when the water was reduced, always ensure constant water pressure. traditional urban water supply systems can be water to the water treatment plant to the user taps the whole process of separation of a water supply and secondary water supply two relatively independent systems direct pressurized water supply pipe network system is a combination of the two as a whole system, becomes secondary water supply for a direct water supply to the home. negative pressure water supply equipment direct pressurized water supply pipe network system can use the equipment. directly to the municipal pipe network for water, to form a continuous sealed relay pressurized water supply completely avoid the traditional 2 pressurized water supply system caused by reduced water quality standards and water pollution problems, and take full advantage of the fully maintain the water quality standards of the municipal water municipal water pressure thermal energy, the number of poor make up the number, effectively, to maximize the energy-saving effect of frequency control. Product design a good solution to a big problem: [1] pumps significantly variable parameter operation. [2] municipal water buffer clipping compensation issues. Designed full-frequency control relay pressurized water supply brought system can better adapt to variable parameter operation to pump substantial part single aggregate variable speed pump technology programs, specialized optional The Company has no pump overload. particularly supporting the design of a variety of buffer tank, water cans, has good buffer role and clipping compensation of municipal water to avoid excessive suction municipal water. ZBW series of products designed to fully consider the flexibility of the application to meet the specific engineering application requirements of different regions in different parts households differences LLL of Kaifeng senior secondary water supply equipment, technical conditions, power reliability, dual power or double circuit power supply, with power adaptability, the equipment input voltage fluctuations and controller input voltage fluctuations do not exceed the rated voltage ± 10 %, you should be able to work properly. 2], the device should automatically adjust the pump speed and soft start function. constant pressure water supply, set the pressure and the actual pressure difference shall not exceed 0.01MPa; transformer water supply, water supply system operating pressure 3], the device should have the pool water level alarm and pump control functions, "alarm" more than the highest water level dropped to the lowest water level should the pipeline operating characteristics curve change. "alarm and shutdown, to return to the water level in the pump activation start automatically. 4], the devices should observe the set pressure and the actual pressure pump supply frequency and the observed fault display window. 5], the device should be various types of fault self-test, alarm, recoverable failure should be able to automatically or manually eliminate police, to resume normal operation. 6], the equipment shall have overload, short-circuit, overvoltage, missing relative, undervoltage, overtemperature protection function. 7], the environmental requirements of the device: [1] The temperature : 5 to 40 ° C and relative humidity: temperature 20 ° C [2], is not greater than 90%. [3] Altitude: not exceed 1000m. [4] equipment installation location should be non-conductive or explosive dust-free gas or steam. corrode metal or destroy insulation gas or steam. destroy insulation, electrical control cabinet setup requirements: [1] the bottom of the tank above the ground 0.1m. [2] top-of-rack from the roof top of the board distance of not less than 1.0m. [3] cabinet posterior wall away from the wall should the 0.8m channel. 9], the piping system should be at a minimum at the set sluicing device 10], to use the industry-standard products, Select the machine identified [assess] the product of the type of inspection. Xining LLL of Kaifeng senior secondary water supply equipment | the Golmud LLL Kaifeng senior secondary water supply equipment description Xining the Hohhot secondary pressurized water supply equipment | Golmud the Hohhot secondary pressurized water supply equipment generally buffer tank, water pump, pressure tank, control cabinet and control instrumentation, the various parts are described as follows: 1, buffer tank: pressure tank is connected to the device at the entrance, referred to as a buffer tank, part of the volume of the water supply run when the tank for compressed air, two different structure of the buffer tank, diaphragm buffer tank with natural rubber diaphragm material by compressed air reservoir of the various mutations impact mitigation to eliminate the role of municipal water supply at the same time with a certain dynamic compensation effect. due entirely confined more conducive to maintaining water quality standards, ordinary steel buffer tank wall is coated with anti-corrosion coatings to meet the health standards, and the qi will air in contact with the outside world. buffer tank can be connected in series shown in Figure 2-1, also can then use the same pipeline out of the water, as a branch and municipal piped, shown in Figure 2-2], water pumps: selection of Shanghai Dragon pump overload characteristics, operating characteristics can be adapted pressure changes in a wide range of water sources, and does not produce overload. pressure tank: its role, usually twice a pressurized water supply equipment in the same pressure tank, the series standard products using micro diaphragm pressure tank, the main intelligent automatic energy-saving control pressure holding function, conducive to the equipment. 4, frequency control cabinet: full-frequency control system can be used, that is, all pumps with frequency control drag, also can be part of the inverter control system [sample standard only one pump products for VVVF drag]. 5, the bypass line: If the municipal water supply is usually able to meet the pressure requirements only when the peak water pressure is insufficient, you can load the bypass pipeline will enable municipal drop-down water and pressurized water supply for automatic switching run A / hypertension municipal pipe network, the device is in shutdown state, municipal water over the buffer tank, the bypass pipe water supply pipe network to the user directly. B / undervoltage time when the municipal pipe network , the device starts automatically on the basis of the original is not water pressure VVVF supercharger [constant pressure water supply, "much worse, complement the principle of" supercharged, so the full flow range that meet the user constant pressure water supply demand and achieve energy efficient operation. sealed in the running process for quite some buffer tank piping Fresh tap water is constantly flowing through the water tank, and will not be subjected to external contamination. C / water supply equipment running, the partial volume of the buffer tank compressed air [same] pressure municipal water pressure, thus some pressure potential storage can rely on this storage can significantly slow the impact of various shocks on municipal water, municipal water supply at the same time with dynamic clipping compensation when municipal services The maximum compensation amount of water buffer tank when the pressure dropped to P1 from P2, buffer tank volume relation: V = [1-P1/P2] V = KV V # - peak water municipal pressure dropped from P2 to P1 compensation given during the water tank water [m3] the P1-municipal water supply the peak of the lowest pressure [absolute pressure P2-municipal water supply before the peak of the pressure, absolute pressure] V total - the total volume of the water tank [m3] Example: water supply peak period, municipal water pressure reduced from 20mH2O to mH2O, then compensate for the amount of water in the water tank during the given V # = [1-15/30] V total = 0.5V total [m3], 50% of the total volume Obviously, this is an effective dynamic role in compensating pressurization equipment of all water supply equipment users have this role in compensating the overall municipal water can play a certain load shifting effect, during the height of the pipe network service pressure will not drop too low D / buffer tank is equipped with a control instrument can automatically shut down when the municipal pipe network pressure below the set lower limit [prohibited run] to prevent excessive pumping municipal water and prevent the pumping run . ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂ ↘ ↙ ♀ ♂