43results about How to "Reduce direct economic loss" patented technology

The invention discloses a thermoelectric power station automatic control system based on artificial intelligence. It includes dispersible control system, virtual DCS simulation system, program controlling system, monitoring information system and malfunction diagnosing and optimizing controlling system; the dispersible control system is connected with the virtual DCS simulation system and program controlling system; the program controlling system process the operating parameters of every machine group transmitted by dispersible control system, and at the same time transmits data to monitoring information system to display, then transmits malfunction diagnosing and optimizing controlling system to have equipment state monitoring, malfunction diagnosing and forewarns. The invention gathers automatic control, optimizing operation, security monitoring and malfunction diagnosing and forecast. It can improves the automated management level of the thermoelectric power station operation, and enhances enterprises' benefit. It has great economic and applied value in the producing process automatic control of the thermoelectric power station.

The invention discloses a method for replacing a vibration damper. In the operation method, a bracket and a vibration damper claw hook for replacing the vibration damper are adopted for supporting, so that labor force is reduced, and the labor intensity of operators is reduced; and meanwhile, a bolt is locked and detached by using an electric bolt locking device, so that safety and reliability are achieved, and the function of remote operation can be realized.

The invention provides a treatment method for abandoned oil and gas wells in coal mining areas, which includes four steps of restoring the wellhead, cleaning the well, logging the well and three-stage plugging. Through the treatment of this method, it can ensure safe and economical exploitation of underground coal resources overlapping with oil and gas fields, and effectively control abandoned oil wells within the scope of coal mine fields, so as to ensure that the coal mining face safely passes through oil and gas wells, and prevent environmental pollution accidents caused by oil and gas leakage.

The invention discloses a bird-proof device for a circular gravity type net box having warning function, relates to a bird-proof device for seawater net box breeding, and needs to provide a bird-proof device for a net box having warning function. The bird-proof device adopts luminous net wires of which diameters are 3.30 millimeters, and is characterized in that the luminous net wires are weaved into a conical net sheet with 133 meshes in the longitudinal direction, 6 meshes at the conical top and 840 meshes at the conical bottom and with net eye size of 80 millimeters; 6 net lines of which diameters are 4 millimeters are evenly sewn to the conical net sheet along the mesh-increasing connection line direction, and two ends of the net lines are reserved with ropes for binding a bird-proof net to a support device; one end of the rope reserved on the 6 net lines of the bird-proof net is bound to the top end of a support rod, the other end of the rope reserved on the net line is tightenedand then bound to a net box railing of which circumference length is 46.8 meters; and the lower part of the support rod is bound to the center of an annular rubber air bag, the bottom end of the support rod is connected with a sunken block, and the support rod is placed in the center of the circular gravity type net box in the seawater. The bird-proof device is used for the circular gravity type net box.

The invention provides polyurethane elastic self-leveling mortar, comprising a component A, a component B and a component C. The component A includes polyisocyanate. The component B includes castor oil and derivatives of the castor oil. The component C is any one of quartz sand aggregate, sand stone or quartz powder, or the mixture of more than one of the three materials. The weight ratio of component A to component B to component C is 1:1.5-2.5:12-18. The mortar has the excellent characteristics such as high elasticity, high tensile rate, high compression strength and impact resistance, only less than 2h of curing molding, self leveling, endurance of high temperature over 100 DEG C and low temperature at minus 40 DEG C, the service life of the mortar can reach 15-30 years, and the mortar is especially suitable for grouting and pouring the expansion joints of the highways, bridges and building, for pouring manhole covers and open ditch cover plates on municipal roads and in parking lots, and extremely for rapid repair of airports, roads and expressways.