33results about How to "Safe and reliable production and operation" patented technology

The present invention relates to a generalized boiler combustion overall optimization and energy-saving composite control system, including a combustion optimization control system, a boiler and a fuel improvement and addition system, the combustion optimization control system and the boiler are connected through a boiler interface module, and the fuel improvement and addition system It is connected with a combustion optimization control system through a signal line, and the fuel improvement adding system is connected with a boiler through a transmission line, and a control system, a data acquisition system and an air preheating device are arranged in the boiler. The invention solves the problem of how to maximize the combustion efficiency of the boiler under the existing conditions - the fully automatic combustion optimization technology can increase the thermal efficiency of the boiler by 2-5%, and significantly reduce the amount of fly ash and the carbon content of the fly ash, and the thermal efficiency of the limited site Can be higher than 5%.

The invention relates to a comprehensive treatment box for waste incineration flue gas. The comprehensive treatment box comprises a box body. The box body is divided into a secondary combustion chamber, a heat exchange area, a desulfurization and denitrification area and a dedusting and demisting area which are separated by separator plates and sequentially communicated with each other. The box body is provided with a smoke inlet and a smoke outlet; the secondary combustion chamber is communicated with a smoke inlet pipeline through the smoke inlet; and the dedusting and demisting area is communicated with the outside of the box body through the smoke outlet. The beneficial effects of the box are that: according to the comprehensive treatment box for waste incineration flue gas, tail gas treatment devices such as the flue gas secondary combustion chamber, a waste heat exchanger, a wet desulfurization and denitrification device and a wet electric dedusting and demisting device are ingeniously arranged in the box body, and waste heat utilization of flue gas and tail gas treatment are highly integrated in one cabinet for completing, so that small integration is achieved, wind resistance is low, materials are saved, and efficiency is high.

The invention provides an intelligent visual monitoring device for organic hazardous chemical substance leakage, and belongs to the technical field of organic hazardous chemical substance leakage monitoring. According to the technical scheme, the intelligent visual monitoring device for leakage of the organic hazardous chemical substances comprises an infrared optical element and a calculation reasoning module; the calculation reasoning module comprises a microcomputer platform and a calculation reasoning unit; the infrared optical element senses and monitors video data in real time; an intelligent monitoring model is embedded in the microcomputer platform, the calculation and reasoning unit accelerates calculation and reasoning of the intelligent monitoring module and outputs a calculation result, the calculation result output by the intelligent model is analyzed and calculated through a data processing program running on the microcomputer platform, a visual recognition and positioning result is output, and the information is transmitted to the display alarm module in real time. The beneficial effects of the invention are that the device can achieve the intelligent visual monitoring of the leakage of the organic hazardous chemical substances, and can automatically recognize and position the leakage region of the organic hazardous chemical substances.

The invention discloses a modularized efficient multi-purpose refrigeration equipment and an ice-making refrigeration process, wherein the modularized efficient multi-purpose refrigeration equipment comprises an ice mold assembly, a refrigeration house refrigeration coil pipe, an air-conditioning fan, an ice slurry machine, a refrigeration cold-carrying liquid storage barrel, an intelligent refrigeration unit, a normal-temperature cold-carrying liquid storage barrel, an ice-making water storage barrel and a plate heat exchanger. During ice making and refrigerating, the intelligent refrigeration unit is started to refrigerate a cold-carrying liquid, and the cold-carrying liquid flows through the ice mold assembly, the refrigeration house refrigeration coil pipe, the ice slurry machine and the air-conditioning fan to circulate in a reciprocating manner, so that the ice making and refrigerating speed is high; during deicing and defrosting, normal-temperature cold-carrying liquid flows through the ice mold assembly or the refrigeration house refrigeration coil pipe, then the cold-carrying liquid containing a large amount of cold energy is exchanged into ice-making water through the cold energy of the plate heat exchanger, the deicing and defrosting speed is high, the cold energy is recycled, the concentration of the cold-carrying liquid is not attenuated, leakage is avoided, and ice blocks are free of pollution; and under the action of a lead screw elevator, an ice pushing machine and an ice pouring machine, the ice discharging speed is high, the refrigerating and cooling efficiency is higher than that of similar products in the market by four times or more, and energy saving, safety and environment friendliness are achieved.

The invention relates to industrial-grade metal lithium refining equipment and a refining method, in particular to special industrial-grade metal lithium refining equipment and a refining method for chemical engineering and medicine industries. The equipment comprises a lithium melting tank, a first heating furnace, a liquid sealing valve, a pure lithium tank, a second heating furnace, a vacuum pump, an argon device and a control cabinet. A lithium melting tank vacuum pipe and a lithium melting tank argon pipe are arranged at the upper part of the lithium melting tank; a filter barrel is arranged in the lithium melting tank, and is suspended at the upper end of a tank body of the lithium melting tank; a lithium melting tank discharge pipe is arranged at the bottom of the lithium melting tank; and the first heating furnace is arranged outside the lithium melting tank. A pure lithium tank feed pipe is arranged at one side of the upper part of the pure lithium tank; a pure lithium tank discharge pipe is arranged at the bottom of the pure lithium tank; a pure lithium tank vacuum pipe and a pure lithium tank argon pipe are arranged at the other side of the upper part of the pure lithium tank; a pure lithium tank cover and a pure lithium tank body are totally tightly connected through a flange; a pneumatic valve cylinder is mounted on the pure lithium tank cover; long rod valves arranged in the pneumatic valve cylinder and the pure lithium tank are tightly connected through a flange; and a second heating furnace is arranged outside the pure lithium tank body.

The invention discloses a ball valve metal valve seat mounting structure with a protective structure. The ball valve metal valve seat mounting structure comprises a valve body; a metal valve seat hole is formed in the center of the valve body; a metal valve seat is mounted in the metal valve seat hole; a first sealing groove is formed in a horizontal connecting end face of the metal valve seat hole and the metal valve seat; a second sealing groove is formed in a contact surface of the metal valve seat hole and the side wall of the metal valve seat; sealing rings are arranged in the first sealing groove and the second sealing groove; a wave spring is arranged between the horizontal plane of the metal valve seat and the horizontal end face of the metal valve seat hole; and a spherical surface of a ball core in the valve body is matched with the metal valve seat and pre-tightened. Pre-tightening force provided by the ball core is utilized for sealing, and a medium is prevented from entering a gap between the valve body and the metal valve seat, so that a protective effect is achieved.

The present invention relates to titanium white powder pressure filtering and water washing technology. In a pressure filtering machine, the water from the main water inlet pipe is led through the branch water pipes to the material cavities in the filtering plates to wash the titanium white powder loaded in the material cavities, while the washed effluent is sweated out through the filtering cloth between filtering plates and to the lower water collecting tank below. The present invention has shortened water flow path, lower water consumption, shortened washing period and high washing effect.

The utility model relates to a direction-changing transmission device for a cotton roll fan of a lapping machine, which relates to the technical field of cotton textiles. The balance cotton device is connected to the inlet of the integrated beater, and the outlet of the integrated beater is connected to the upper and lower dust cages, and the cotton layers adsorbed on the upper and lower dust cages pass through the cotton in turn The rollers, anti-sticking rollers are connected with the pressing rollers, and the exits of the pressing rollers are connected successively through the roll forming rollers, the cotton rolling sticks and the cotton lap trolley; The front belt guide wheel and the rear belt guide wheel, the front belt guide wheel and the rear belt guide wheel are installed on the guide wheel bracket, the guide wheel bracket is connected with the frame through the fan seat, and the front belt guide wheel and the rear belt guide wheel are respectively It is equipped to prevent the fan belt from running off the side of the wheel. The fan of the invention has flexible rotation and stable negative pressure airflow, solves the problem of fan belt cross wear, ensures stable production of equipment, simple structure, safe operation, can effectively save machine materials, and ensure normal production.

The invention discloses an anti-corrosion construction device for an integral inner wall of a penstock of a hydropower station and an anti-corrosion construction method for the anti-corrosion construction device. According to the anti-corrosion construction device, an upper operating platform and a lower operating platform are arranged in an upper elbow of an upper horizontal section of the penstock and a lower elbow of a lower horizontal section of the penstock respectively, a movable operating platform is arranged in an inclined section of the penstock, four independent guide rails located in the inclined section of the penstock are connected to the upper operating platform and the lower operating platform, matching holes of the movable operating platform are matched with the guide rails, rollers of the movable operating platform are matched with the guide rails, the movable operating platform is connected to a winch, and a constructor adopts a sand blasting derusting device and a thermal spraying ceramic spray gun to carry out derusting on the inner wall of the penstock and thermally spray an anti-corrosion wear-resistant coating on the inner wall of the penstock on the movableoperating platform. According to the anti-corrosion construction device and the anti-corrosion construction method thereof, the on-line integral construction of an anti-corrosion wear-resistant material is realized, the anti-corrosion wear-resistant material is excellent in liquid immersion corrosion resistance and high in wear resistance and erosion resistance, the long-term safe operation of thepenstock of the hydropower station is ensured, the integral internal corrosion prevention is completed at a time, coating defect repair and joint coating of an inner anti-corrosion layer are avoided,and the construction period of the internal corrosion prevention of the penstock is shortened.

The invention discloses a gas field water tank blowout preventer and a preparation method thereof. The gas field water tank blowout preventer comprises a blowout preventer body formed by mutually welding multiple bends, baffles welded into the blowout preventer body and used for water flow impact pressure reduction, concentric reducers welded to the two ends of the blowout preventer body and usedfor diameter-variable pressure reduction, and flanges welded to the ends of the concentric reducers and used for external connection with equipment. When the blowout preventer is prepared, the blowoutpreventer can be rapidly and conveniently manufactured only by carrying out welded connection on the conventional bends, concentric reducers, steel plates and flanges. Effective pressure relief energy reduction of gas field water is achieved, impact energy of the gas field water is eliminated, the gas field water is prevented from entering a flash steam pipeline or a fire barrier of the flash steam pipeline, normal respiration of the flash steam pipeline and normal work of the fire barrier are effectively guaranteed, and a safe and environment-friendly guarantee is brought to production and operation.

The invention discloses a method for engineering absorption application of ardealite raw slag, which depends on the safe operation experience of an ardealite stockpiling reservoir with a certain wet method in Guizhou for twenty years, and the practice proves that the method can realize the reliability of the ardealite raw slag as engineering absorption. According to the method, on an accumulation body which is continuously lifted in the ardealite reservoir, after pore water of the accumulation body is discharged by taking a seepage guiding or seepage discharging measure, the accumulation body can settle greatly, the outer slope surface of the ardealite accumulation body cannot meet the safety standardization requirement, and the method is mainly used for repairing the dam slope surface by adopting dry ardealite and further perfecting a sewage disposal and diversion facility. By adopting the method, the engineering absorption of the ardealite raw slag can be achieved, sewage disposal and diversion can be achieved, a safe and stable dam body can be guaranteed, the dam slope surface is greened again, and the water treatment cost is reduced; and thus, the intrinsically safe production and operation of the ardealite warehouse are realized.