Closed-loop recovery of condensate water system, is the steam in the heat transfer equipment to release latent heat generated after the high-temperature condensate (and steam traps leaks) from the closed for the recovery of the continuous drainage trap smoothly spilled through a closed pipe, through self- JF-ZY turbocharger, JF-GW multi-channel network device such as the adjustment of GW, and successfully recovered to the closed recovery of condensed water device JF-CW, and then the device configuration of high-temperature condensate pump automatically transferred to the low-temperature heat transfer (Preheating of cryogenic fluid, replenishment of thermal deaerator or heating and heat exchange), thermal deaerators or boilers. So condensate and steam trap leakage of heat and soft water fully recovered and the ultimate reuse. Solve the problem of closed recovery possible methods are as follows: ⑴ float ball steam trap JFS, closed recovery system to solve the problem of using the normal hydrophobic hydrophobic equipment: trap is to retain steam, hydrophobic in time to improve the heat in the heat transfer equipment, steam The key link of utilization. Select the trap to consider the amount of condensate, the steam law, the valve pressure, valve pressure, temperature and other factors, any indirect heating equipment with steam by professionals, according to the process parameters and changes in the law, matching the right Hydrophobic type, type of trap. In a closed recovery system, the back pressure after the trap is higher than the atmospheric pressure, the thermodynamic trap can not be started normally, and the free float ball trap JFS with high back pressure should be used. Beijing JUNFA Energy Saving and Environmental Protection Technology Co., Ltd. developed for closed recycling JFS free float steam trap with automatic air lock, the use of a wide range of operating conditions. It can also be normally hydrophobic under high back pressure, with low leakage rate (≦ 0.1%), avoiding impact damage and long service life. Beijing Junfa energy conservation and environmental protection technology company adhere to the trap is the principle of the engineer-class valves, matching traps advocate each indirect use of heat equipment according to the unique operating parameters of a separate configuration with the trap. When the steam used by the steam equipment parameters such as: pressure, temperature, flow and process changes in the case of the same circumstances can be used to focus on the hydrophobic technology, with two concentrators in parallel with a standby, instead of more than just the single trap. Adopt the advantages of centralized hydrophobic technology: ①small investment, easy to centralize management and maintenance; ② low damage rate, long service life; ③ can make use of steam equipment to achieve "upper steam balance, central heat balance, lower water balance" three A balance. ⑵, with JF-ZY self-supercharger to solve the condensate water climb, head delivery problems: When the condensate water return pipe climbs from the ground to the ground, climb over obstacles or across the road, in order to improve the condensate water climb Ability, you need to install the patent product JF-ZY self-supercharger developed by Beijing Junfa Company at the junction of the horizontal pipe section and the rigid pipe section. By adjusting the flow state of the two phases of the soda and water, cleverly utilizing the pressure of the flash steam to promote the condensation water to climb up, the condensing water can be greatly increased in climbing ability and the condensate can be recovered and the "impact" of the riser can be eliminated. ⑶, JF-GW common network device to solve the problem of the common network recovery of the condensate with different backpressure: In the actual process, it often encounters the situation that the condensate pressure level is different. In order to realize the condensing water of different pressures to share a device recovery, Should be installed in the network at the Beijing Junfa company developed a patented product JF-GW multi-channel common network. It uses high pressure condensate water jet to the low pressure of condensed water into the closed recovery unit. When the pressure of the condensate water is small, can not meet the needs of low pressure condensate injection, you can use the condensate pump output part of the water back to create a jet stream conditions, low injection pressure condensate into the closed recovery unit. ⑷JF-CW closed recovery condensate water device to replace the original open-type recovery tank to solve the delivery of high-temperature condensate water pump cavitation problems, eliminate emissions secondary flash steam and hydrophobic leakage phenomenon: through the self-supercharger, multi-channel Common network and other ancillary equipment according to the needs of the rational use of the condensate water pipeline through the scientific design layout, different elevation, different pressure condensate and steam trap leakage, smooth recovery to the Beijing Junfa Development The patented product closed recovery condensate device JF-CW. JF-CW is the core equipment of closed recovery system, which is composed of mainframe, safety device, butterfly valve, high-temperature water pump, liquid level sensor, PLC control cabinet and so on. Host by the pressure vessel, built-in water separator, the drain, voltage regulators, cavitation eliminator and other patented technology components. Its core technology is not to avoid cavitation problems, but based on micro-cooling and dynamic two-phase flow principle, so that the water into the pump without steam, not vaporized, so that the pump is always in the transport of single-phase high-temperature water conditions, to protect the pump Cavitation does not occur, to solve the thermal industry called "pump cancer" world problem. The complete set of mechanical and electrical integration, the use of intelligent automatic control, when the water level reaches the set high water level, the liquid level sensor signal to the electronic control box PLC programmer, automatic start condensate pump, the high temperature condensate Conveying to low temperature heat exchanger, thermal deaerator or directly into the boiler. When the water level drops to the set low water level, the water pump will stop water delivery automatically and adjust the operation mode according to the actual status.
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