4results about How to "Avoid running abnormally" patented technology

The invention provides a Yankee drying cylinder system with multi-stage heat energy recovery and automatic temperature control, which relates to the technical field of heat energy recovery and comprises a multi-stage heat energy recovery unit, a steam mixing and adjusting unit and an intelligent temperature control center, the multi-stage heat energy recovery unit is used for recovering sensible heat of tail gas discharged by a Yankee drying cylinder, heat dissipation of a cylinder body and latent heat of condensate water and converting the sensible heat, the heat dissipation and the latent heat into available low-pressure steam; by arranging the first-stage tail gas recovery assembly, the second-stage cylinder body heat dissipation recovery assembly and the third-stage condensate water recovery assembly which are sequentially connected, sensible heat of tail gas discharged by the Yankee dryer, heat dissipation of the cylinder body and latent heat of condensate water can be comprehensively captured, and energy waste caused by direct discharge of waste heat in a traditional system is avoided; recycled heat energy is converted into low-pressure steam, then the low-pressure steam is stored in the low-pressure steam buffer tank and serves as a recycled steam source to be mixed with main steam to be introduced into the Yankee drying cylinder again, part of main steam consumption is effectively replaced, the input amount of external main steam is greatly reduced, and the industrial development trend of energy conservation and consumption reduction is met.

The utility model relates to electrical control technical field discloses a kind of reversible belt soft-start circuit. Including power supply, the coil end of based on forward contactor constitutes forward control circuit, the coil end of based on reverse contactor constitutes reverse control circuit, soft-start device and motor, still include forward time-delay relay and reverse time-delay relay, the coil end of forward time-delay relay is parallel with the coil end of forward contactor in forward control circuit, the coil end of reverse time-delay relay is parallel with the coil end of reverse contactor, the positive pole of power supply is connected with the negative pole of power supply through the parallel circuit of forward control circuit and reverse control circuit, the positive pole of power supply is connected with motor through soft-start device, the auxiliary contact of forward time-delay relay and the auxiliary contact of reverse time-delay relay are connected with the signal end of soft-start transposition. The abnormality of existing contactor has solved the problem of unable to start and interlock failure.

The invention discloses an intelligent monitoring system for a skid-mounted integrated transformer substation, relates to the technical field of transformer substation monitoring, and is used for solving the problems of inaccurate sensing of an abnormal power use source and low power supply regulation efficiency in the prior art. The method comprises the following steps of: constructing a plurality of power consumption devices, sequentially deploying end sensing nodes, constructing an end sensing network after integration, acquiring a real-time power consumption load of any power consumption device based on the end sensing network as a sensing result, and establishing a supply and demand regulation topology network between the skid-mounted integrated transformer substation and the plurality of power consumption devices. In-station voltage is distributed to a plurality of electric devices according to a supply-demand relationship through a supply-demand adjustment topology network, supply-demand adjustment is carried out based on a sensing result, and a central sensing network is established and used for sensing the operation condition of the voltage distributed to each electric device by the skid-mounted integrated transformer substation. And an abnormal power supply end and an abnormal power receiving end are obtained based on a sensing result, so that accurate and efficient power utilization monitoring is realized.

The invention discloses an ETL scheduling job configuration checking method and device, equipment, a medium and a product, and is applied to the technical field of data processing.The method comprises the steps that configuration information of ETL scheduling jobs is obtained, and the configuration information comprises job configuration information, job flow configuration information and job dependence configuration information; based on the job flow configuration information, determining job configuration information of a plurality of jobs included in each job flow; based on the job configuration information of the plurality of jobs contained in each job flow, constructing a job dependency graph for each job flow; wherein nodes of the job dependency graph represent jobs, and edges of the job dependency graph represent job dependency relationships; performing consistency check on the configuration information to obtain a consistency check result; and executing configuration check on the job dependency graph corresponding to each job flow to obtain a configuration check result, so that the ETL scheduling job configuration information can be accurately checked, and abnormal operation in the job scheduling process caused by errors of the configuration information is avoided.