Patent application number | Description | Published |
20110263418 | Preparation Method of Quick Oil-Absorbent Materials - This invention relates to an oil-absorbent polymer and the preparation method thereof, and disclosed a preparation method of quick oil absorbent material, which comprises: (1) Mixing and stirring well monomer A, vinyl monomer, initiator and vesicant to form a copolymerization system, wherein the amount of monomer A is in the range of approximately 10-50 wt %, the amount of vinyl monomer is in the range of approximately 48-88 wt %, the amount of initiator is in the range of approximately 0.01-5 wt %, the amount of vesicant is in the range of approximately 1-5 wt %; (2) And then immersing fiber carriers into the liquid of above-said copolymerization system to adsorb the liquid on the fiber carriers, then heating the fiber carriers under a temperature between 60˜80° C. for 1˜4 hours to synthesize polymers on the fiber carriers. The quick oil absent material is less dense than water, and has both high adsorption capacity and high adsorption rate, meanwhile it can be repeatedly used and the absorbed valuable oils can be regenerated to reduce cost effectively. | 10-27-2011 |
20120111792 | APPARATUS FOR AUTOMATICALLY ADSORBING AND RECYCLING FLOATING OIL ON WATER - The invention relates to oily water treatment equipment, specifically relates to an apparatus for automatically adsorbing and recycling floating oil on water, which includes: base, stand, drive unit, transmission unit, compression unit, the conveyor belt and the oil-absorbing resin set on the surface of the conveyor belt; wherein, the drive unit drives the conveyor belt to rotate via said transmission unit; said compression unit includes at least one pair of squeeze rollers, and said conveyor belt, squeezed by said pair of squeeze rollers, goes across said pair of squeeze rollers; the fore-end of said conveyor belt is under the horizontal level of said base; said compression unit is set in the downstream side of the highest position of the conveyor belt; a tension roller is set between the fore-end and back-end of the conveyor belt, and said tension roller is set above the horizontal level of back-end of the conveyor belt. | 05-10-2012 |
20140102979 | MICROORGANISMS-IMMOBILIZED FELT-BASED RESIN FOR THE TREATMENT OF PHENOLIC EFFLUENTS AND A PREPARATION METHOD THEREOF - A method of preparing a microorganisms-immobilized felt-based resin includes the following steps: providing a mixture of an acrylate monomer, an initiator, a solvent, and water; adding a felt to the mixture; initiating a polymerization reaction of the mixture to form a felt-based resin; and immobilizing microorganisms on the felt-based resin to form the microorganisms-immobilized felt-based resin. | 04-17-2014 |
Patent application number | Description | Published |
20150302332 | MAINTENANCE SCHEDULE OPTIMIZATION METHOD FOR ELECTRIC POWER SYSTEM INCLUDING LARGE-SCALE WIND POWER - The present invention discloses a maintenance schedule optimization method for an electric power system including large-scale wind power to build objective function to make it get optimal results, then constrain the objective function, constraint conditions include: constrain according to maintenance natural environment; constrain according to maintenance time of wind power plant; constrain according to maintenance site of wind power plant; constrain according to system reliability at wind power plant; constrain according to maintenance continuity of generator unit. Under the above constraint conditions, the electric power system is modeled with heuristic algorithm according to the above objective function. Through modeling the electric power system including large-scale wind power, optimize maintenance time of wind turbines in electric power system through modeling under a certain constraint conditions to maintain the wind power equipment properly while ensuring maximum efficiency of wind power generation at the same time. | 10-22-2015 |
20160092622 | METHOD FOR MODELING MEDIUM AND LONG TERM WIND POWER OUTPUT MODEL OF MEDIUM AND LONG TERM OPTIMAL OPERATIONOF POWER SYSTEM - Disclosed is a method for modeling a medium and long term wind power output model optimally operating in a medium and long term in a power system. By calculating the wind power output of the power system during daily peak time period, daily valley time period, and daily shoulder load time period, and optimizing wind power output data during the daily shoulder load time period, the capacity substitute benefit of wind power generation is rationally taken into account, the operation reliability level of the power system is guaranteed, the bidirectional peak regulation characteristic of wind power output is considered, the peak regulation balance of the power system is guaranteed, the benefits of energy conservation and emission reduction of wind power resources are fully exerted, the highest utilization rate of the wind power generation capacity is guaranteed, the feature of low wind power schedulability is fully taken into account, the randomness and volatility of wind power output are correctly simulated, the practical situation of a simulation project optimally operating in a medium and long term in the power system is met, and the purpose of better calculating the randomness, the volatility, the regionalism and bidirectional peak regulation performance of wind power generation and a correlation between same and loads is achieved. | 03-31-2016 |
Patent application number | Description | Published |
20080212961 | METHOD FOR IMPLEMENTING TANDEM CONCATENATION MONITORING AUTOMATICALLY AND APPARATUS THEREOF - A method for automatically implementing Tandem Concatenation Monitoring (TCM), includes: requesting a network management system for a required number of TCM levels; assigning an available TCM level to a pair of network nodes in a sub-network; performing TCM processing, mapping TCM use information into a corresponding overhead, transferring the TCM use information together with TCM overhead information downstream, and reporting TCM information to the network management system; and extracting TCM monitored information, determining transmission quality of each sub-network of a set of sub-networks, and locating a network failure. The invention also presents a device for automatically implementing TCM, including a controller, a TCM generator and a TCM terminator which cooperate with each other to automatically implementing a TCM function. The invention addresses the poor flexibility and complexity due to a static configuration by the network management system, and thus improves the flexibility of the TCM processing. | 09-04-2008 |
20100021173 | METHOD AND APPARATUS FOR MULTIPLEXING AND DEMULTIPLEXING LOW BIT RATE SERVICES - A method for multiplexing and demultiplexing low bit rate services includes dividing an OTN frame into a plurality of time slots and allocating the plurality of time slots to the low rate services according to the bit rate of the low rate services; asynchronously mapping a synchronous service to the time slots allocated to the synchronous service if it is determined that the low bit rate service is a synchronous service; encapsulating the low bit rate service and mapping the low bit rate service to the time slots allocated to the low bit rate service if it is determined that the low bit rate service is not a synchronous service. The present invention allows the OTN to realize the bearer of the low bit rate data service and achieves the multiplexing and demultiplexing of hybrid services. | 01-28-2010 |
20100142960 | UPGRADING METHOD, SYSTEM AND APPARATUS OF LOW-DENSITY WAVELENGTH DIVISION MULTIPLEXING SYSTEM - An upgrading method, a system, and an apparatus of a low-density wavelength division multiplexing (WDM) system are provided. The method includes: detecting an output wavelength shift of a wavelength conversion unit, and adjusting an output wavelength of the wavelength conversion unit having the output wavelength shift higher than a threshold, so that the output wavelength shift of the wavelength conversion unit is lower than the threshold; adjusting an adjustable interleaved demultiplexer, until requirements for a demultiplexing parameter of a high-density WDM system are met. Thus, the problem that services are interrupted when a low-density MDM system is upgraded to a high-density MDM system is solved. A WDM system, and a wavelength multiplexing/demultiplexing apparatus and method are also provided. | 06-10-2010 |
20130094523 | TIME SYNCHRONIZATION METHOD AND SYSTEM, AND NODE DEVICE - The present disclosure discloses a time synchronization method. In the method, a first node sends a first time packet at a first time over a first working wavelength; a second node receives the first time packet at a second time. The first node sends a second time packet at a third time over a second working wavelength. The second node receives the second time packet at a fourth time; calculates an absolute time deviation between the second node and the first node according to the first time, the second time, the third time, the fourth time, a first signal transmission rate corresponding to the first working wavelength, and a second signal transmission rate corresponding to the second working wavelength, and synchronizes the local time between the second node and the first node. Further, a time synchronization system and a node device are disclosed. | 04-18-2013 |
20130121352 | METHOD AND DEVICE FOR TIME SYNCHRONIZATION - A method and a device for time synchronization are disclosed according to the embodiments of the present invention. The method includes: selecting, by a slave device, a port of a single-fiber bi-directional line as a synchronization port of a 1588 clock protocol; specifying a work mode of the synchronization port; exchanging a 1588 clock synchronization packet with a master device through the synchronization port according to the work mode; acquiring transmission time information and restore a system clock according to the 1588 clock synchronization packet; and adjusting the system clock according to the work mode and the transmission time information. The device includes: a line processing module, a clock recovery module and a clock adjustment module. Through the method and the device, zero-error time synchronization is implemented; and in the case of unfixed path delay, the time synchronization can also be implemented. | 05-16-2013 |