7results about How to "Avoid Explosion Hazards" patented technology

The utility model discloses a raw coal crushing device, including;Box body;The mounting bracket of symmetrical setting in the box body;The breaker board of linear array in the side wall of mounting bracket, is provided with the cavity in the breaker board, the spray head of linear array in the top of breaker board. The raw coal crushing device provided by the utility model, through the drive sliding frame drive fixed plate reciprocating movement, make fixed plate and two adjacent breaker board between each other cooperate and carry out the crushing of raw coal, make fixed plate and breaker board can break raw coal into powder, in the process that breaker board carries out the crushing of raw coal, through the spray head of breaker board top installation and spray out the water mist to the raw coal crushing area and cover, make the dust of raw coal crushing process can be fast dust fall, not only avoid the dust floating to the air and cause environmental pollution and human body damage, also reduce the waste of water resources in the dust fall process, avoid the danger of dust explosion simultaneously.

The application discloses an explosion-proof electric actuator, which comprises an electric actuator body, a pressure relief device and a protection device, a detection assembly is arranged in the protection device, bolts for assembling the electric actuator body and the protection device are arranged in the detection assembly, and a light plate and a laser radio frequency device for monitoring the movement of the bolts are arranged on one side of the bolts, and particularly relates to the technical field of electric actuators. The explosion-proof electric actuator is provided with an inductor ring matched with the bolts, if the bolts of the actuator are loose, the displacement of the offset bolts is transmitted to the contact block through the inductor ring, the contact block contacts the transmission rod, the transmission rod rotates around the hinge and drives the contact plate to swing, the contact plate swings downward and presses the flat plate, the flat plate moves downward, the flat plate drives the light plate to move, the distance between the light plate and the laser radio frequency device is changed, the fastening condition of the bolts can be monitored, and the personnel are reminded to pay attention to the use safety of the actuator.

The invention relates to scintillator glass melted in a high-concentration hydrogen atmosphere and a preparation method and application thereof. The preparation method comprises the following steps: preparing raw materials and mixing the raw materials; charging and melting in a high-concentration hydrogen atmosphere: charging the powder into a high-purity alumina crucible, then putting the crucible into a hearth of a high-concentration hydrogen atmosphere furnace, vacuumizing, introducing mixed gas into the high-concentration hydrogen atmosphere furnace, controlling the total flow of the mixed gas, and melting in the high-concentration hydrogen atmosphere furnace, when the pressure in the hearth is in a micro-positive pressure state, opening a one-way stop valve, controlling tail gas emission, starting an atmosphere furnace heating system, and heating, preserving heat and founding for a certain time; clarifying and homogenizing; molding by casting and annealing; and processing to obtain the scintillator glass. According to the invention, efficient formation and uniform dispersion of Ce < 3 + > are guaranteed through sufficient reduction, and finally, the scintillator glass reaches better levels in transmittance, light yield, decay time and irradiation resistance.

The utility model provides a kind of compound fertilizer packaging machine, it is related to compound fertilizer packaging machine field, including packaging machine base, transmission belt and hopper are installed on packaging machine base, hopper is located above transmission belt, two cylinders are fixedly installed on packaging machine base, two cylinders are respectively located at the front and back of hopper, the output end of two cylinders opposite is fixedly installed with sealing clamping plate, packaging bag support plate is set to the both sides of hopper, two electric telescopic rods are fixedly installed on packaging machine base, two packaging bag support plates are respectively installed on two electric telescopic rods.The utility model, by clamping mechanism, both play sealing bag mouth to prevent compound fertilizer bagging process spills, and cooperate dust extraction pipe and dust extraction ring can collect dust generated during bagging, prevent environmental pollution, and avoid the danger of dust explosion.

The utility model discloses a meteorological automatic inflation fine device of sounding, including hydrogen storage tank, hydrogen pipeline, weighing sensor and control box, hydrogen pipeline is divided into the former section and the latter section, and hydrogen pipeline former section is connected with hydrogen storage tank, hydrogen pipeline latter section is divided into the outer sphere inflation pipeline and the inner sphere inflation pipeline, and two are communicated with the outer sphere of double -layer sounding balloon and the inner sphere through the outer sphere inflation hose, the inner sphere inflation hose respectively, and are equipped with the outer sphere pipeline solenoid valve, the inner sphere pipeline solenoid valve respectively, weighing sensor is fixed on the inflation platform and is connected with double -layer sounding balloon through sounding special rope, and weighing sensor is used for measuring net lifting force, and net lifting force real -time signal is transmitted to control box, control box is used for receiving, display net lifting force to real -time control outer sphere pipeline solenoid valve and the opening and close of inner sphere pipeline solenoid valve according to net lifting force size. The utility model can realize the accurate control to the balloon net lifting force in the process of the flat drift double -layer sounding balloon inflation.

This utility model relates to auxiliary equipment in the machinery manufacturing industry, and discloses a grease dispensing pressure tank, including an outer tank with a barrel lug fixedly connected to its exterior. An auxiliary fixing mechanism is slidably connected to the exterior of the outer tank, and a pressing mechanism is fixedly connected to its interior. A top-layer assembly is slidably connected to the top of the outer tank. The pressing mechanism includes an inner tank, with its bottom fixedly connected to the interior of the outer tank. A sealing ring is slidably connected to the interior of the inner tank, and a piston is fixedly connected inside the sealing ring. An exhaust port is provided inside the piston, and an oil outlet assembly is fixedly connected to the top of the piston. This utility model allows non-flowing grease to be smoothly dispensed. A safety valve automatically releases pressure when it is too high, preventing the risk of explosion due to exceeding the safety pressure threshold. A pressure-reducing valve allows for manual pressure release when not in use, ensuring safe and convenient operation.

The utility model discloses a kind of spraying devices for steel structural member production, including connecting shell, the modular mechanical arm is set in the connecting shell inside bottom end, further including the three-way adjusting mechanism being set on modular mechanical arm, the spraying mechanism is set in the front end of three-way adjusting mechanism, a kind of spraying device for steel structural member production, by spray head, centrifugal fan, flexible baffle and negative pressure recovery air duct, ensure that stable negative pressure field is formed before coating atomization, timely capture atomized particle, prevent paint mist from spreading to workshop environment, reduce the risk that operator inhales paint mist, simultaneously avoid the explosion hidden danger caused by flammable gas accumulation in workshop, cooperate primary filter device and paint mist separation equipment, solvent-based coating after separation can be recycled, water-based paint can be treated and discharged up to standard, reduce hazardous waste disposal quantity, reduce environmental protection compliance cost, efficiently recover splashed coating, reduce material loss.