5results about How to "Flexible load adjustment" patented technology

The utility model discloses a kind of electric push rod load life testing devices, comprising: rack;Fixed seat is located in the lower part of the rack, for fixing the electric push rod to be measured;At least two horizontal parallel arrangements of sliding load, sequentially arranged in the vertical direction above the electric push rod to be measured;The lowermost sliding load is connected with the output end of the electric push rod to be measured;Guiding mechanism, vertically arranged on the rack, for guiding the sliding load along vertical direction sliding;Barrier, located on the rack or guiding mechanism, for abutting below each layer of sliding load to maintain the spacing between layers;Wherein, the electric push rod to be measured pushes the lowermost sliding load to move up and sequentially triggers the sliding load linkage of adjacent upper layer, forms load stepwise increasing.The utility model has the advantages that: the stepwise increasing of load is realized, the dynamic scene of load layer-by-layer superposition in actual working condition can be simulated, and test result is closer to real application.

The utility model discloses a water pump bearing friction torque detection instrument which comprises a support and a servo motor, a loading cylinder is arranged on the support, and the output end of the loading cylinder is connected with a fixing tool used for fixing an outer ring of a water pump bearing. A loading air cylinder is arranged on the support, a positioning tool used for fixing a water pump bearing mandrel is rotationally arranged on the support and located below the loading air cylinder, a torque sensor is connected to an output shaft of the servo motor, the torque sensor is in transmission connection with the positioning tool through a connecting module, and an output shaft of the loading air cylinder and an output shaft of the servo motor are coaxially arranged. The torque measuring device is simple in structure and closer to actual working conditions, and torque measurement of the water pump bearing assembly under different loads is achieved.

The invention provides a large-temperature-difference heat pump phase change energy storage system and method, and the energy storage system comprises a gas compression module which is used for compressing low-pressure gas into high-pressure gas by consuming the electric energy during the valley electricity period, and generating compression heat; the liquid phase storage module cools the high-pressure gas into low-temperature and normal-pressure liquid air and stores the low-temperature and normal-pressure liquid air, and reheats the low-temperature and normal-pressure liquid air into normal-temperature and high-pressure air by utilizing part of compression heat during the peak electricity period; the power generation and air supply module is used for heating normal-temperature and high-pressure air to high-temperature and high-pressure air by utilizing part of compression heat and generating power by virtue of the high-temperature and high-pressure air And the low-pressure steam module is used for consuming part of compression heat and preparing low-pressure steam. The large-temperature-difference heat pump phase change energy storage system and the energy storage method provided by the invention are a distributed high-efficiency green multi-supply energy storage technology aiming at peak-valley electricity prices, and can solve the problems that centralized large-scale industrial and commercial power consumers guarantee the production order and scale, improve the power supply and demand conditions and realize cost reduction and benefit increase by peak load shifting while guaranteeing the production order and scale.

A water treatment system and method based on a split anaerobic membrane bioreactor, the water treatment system includes an anaerobic reactor for anaerobic fermentation and biogas production; a membrane tank, which is provided with a membrane assembly for discharging treated wastewater; and a gas circulation device for forming a biogas cycle in the anaerobic reactor and the membrane tank. The present invention can adapt to high-concentration organic wastewater, can achieve the advantages of stable process operation system, and short-term compliance of effluent water quality; the membrane separation technology is used to intercept large molecular weight pollutants in the sludge mixed liquid, increase the sludge concentration in the reactor, and stabilize the effluent water quality; the treatment device has a high degree of mixing and strong impact load resistance, especially for organic wastewater that is easily acidified.

The invention discloses an optical storage direct-flexible building system based on centralized energy storage, and relates to the technical field of energy and electric power systems, and the system is characterized in that a distributed household photovoltaic system carries out electric power mutual transmission with a village-level centralized energy storage station through a low-voltage direct-current power distribution network, and an electric energy router dynamically adjusts electric power flow according to real-time power generation and load conditions. The power demand of the direct-current load of the household is preferentially ensured, and when more power is generated, redundant power is supplied to the movable energy storage load through the low-voltage direct-current power distribution network or stored in the village-level centralized energy storage station; when power generation is insufficient, power is taken from the village-level centralized energy storage station through the low-voltage direct-current power distribution network; the village-level centralized energy storage station and the low-voltage direct-current power distribution network carry out electric power bidirectional exchange through the PCS, and when the electric power of the village-level centralized energy storage station is sufficient, excess electric power is returned to the low-voltage direct-current power distribution network through the PCS; when the electric power of the village-level centralized energy storage station is insufficient, the electric power is obtained from the low-voltage direct-current power distribution network, and continuous power supply of the household direct-current load is ensured through combination of centralized energy storage and movable energy storage.