6results about How to "Increased explosion safety" patented technology

The utility model discloses a kind of explosion-proof fan, including the casing of three-layer composite explosion-proof resin material and wind wheel, wherein outer layer carbon nanotube PEEK composite material effectively leads out static electricity, middle aluminium hydroxide flame-retardant layer prevents flame spread, inner layer ultra-high molecular weight polyethylene reduces friction spark risk.Electrostatic belt can effectively eliminate static electricity accumulation in transmission process, avoid static spark, improve explosion-proof safety.Fan is equipped with rotary electrostatic brush and ground copper wire to eliminate static electricity, and fire barrier is configured at air inlet to prevent flame propagation.Wind wheel blade is provided with tungsten-containing wear-resistant coating and zircon ceramic wear-resistant strip to avoid friction spark.Explosion-proof motor is built-in temperature sensor and vibration sensor, and stator winding adopts arc-resistant enameled wire.The utility model solves the problem of heavy weight and single protection of traditional fan through multiple explosion-proof design, with the characteristics of lightweight, superior explosion-proof performance, stable and reliable operation, especially suitable for flammable and explosive places such as petroleum and chemical industry.

The utility model is used for controlling box technical field, disclose a kind of heat dissipation explosion -proof temperature control box, including box, the outside surface of box is equipped with the box cover of rotation, and the upper end of box is fixedly installed with warning light, the rear surface of box is fixedly provided with mounting box, one end of mounting box is through the inside surface of box.This heat dissipation explosion -proof temperature control box, by setting up mounting box and the closed circulation system of flow guide pipe, realize the physical isolation of air in box and outside, avoid dust, humidity and explosive gas into the inside of box, from the root, eliminate the short circuit, corrosion and other problems caused by electrical components due to external environmental factors, at the same time, this design eliminates the safety hazard that spark ignites explosive gas in open heat dissipation structure, significantly improves the explosion -proof safety of temperature control box in flammable and explosive dangerous environment, ensure that equipment can operate stably under complex harsh environment.

The utility model provides a kind of explosion-proof inclined plate piston open-type compressor unit of underground coal mine integrated air conditioner, the compressor unit includes compressor, explosion-proof motor and coaxial connecting piece, compressor has V-type air inlet, exhaust port, and the outer end of connecting shaft is provided with convex connecting block;Explosion-proof motor is coaxial with compressor, and the front end of output shaft has matching concave groove, and convex connecting block is inserted to realize circumferential locking, and coaxial connecting piece is composed of sleeve, front and rear end plate, and is sleeved with connecting shaft and output shaft outside, and length prevents axial disengagement, and front end plate is connected with compressor, and rear end plate is connected with explosion-proof motor, and sleeve is provided with observation port for easy monitoring.The compressor unit is explosion-proof safe, power transmission is stable, installation and maintenance are convenient, and is suitable for underground coal mine integrated air conditioner.

The utility model discloses an explosion -proof weighing sensor, include: casing, weighing sensor unit is fixedly arranged in the casing, bearing assembly contains the weighing plate of detachable connection in the top of weighing sensor unit, plug -in guide mechanism includes the plug -in structure of setting in the top of weighing sensor unit and the adaptive plug -in spare of weighing plate connection, the adaptive plug -in spare is connected with plug -in structure through elastic rolling component, support adjusting mechanism contains at least a pair of articulated in casing's support unit, the support unit is connected with the bottom of weighing plate through detachable connection mechanism, the detachable connection mechanism contains spacing locking assembly and elastic reset component, realizes the quick assembly of support unit. The utility model adopts three -level buffer structure: the common effect of the joint action under the rolling buffer + elastic support + articulated adjustment reduces the impact influence, modular design realizes quick assembly maintenance, and double locking mechanism promotes explosion -proof security.

The application relates to the technical field of electric connectors, in particular to an explosion-proof plug adapter which comprises a shell, an electric connection assembly, a partition, a locking mechanism and a pressure relief device. The shell is divided into a front chamber and a rear chamber, the two chambers are isolated by a partition, and the explosion-proof function is realized by combining a ceramic insulating sleeve and epoxy resin glue; a sealing ring is made of graphite-based composite material to improve the sealing performance; the locking mechanism realizes quick connection and unlocking through a rotating sleeve and a locking claw; a tail plug can be quickly and tightly connected with a common plug, and the safety and usability are enhanced. The application can significantly improve the sealing performance, explosion-proof performance and operation convenience, is suitable for various complex working conditions, and ensures the reliability and safety of equipment operation.

This invention discloses an explosion-proof electrical control box, comprising: a box body, the box body including an explosion-proof outer shell and a front cover, the explosion-proof outer shell being a hollow shell structure with one open end, the front cover being closable at the opening, and when the front cover is closed at the opening, an explosion-proof joint structure is provided between the explosion-proof outer shell and the front cover, the explosion-proof joint structure being used to form a bent and extended explosion-proof channel to cool explosive gases and block the outward propagation of flames; a modular mounting plate for mounting electrical modules, slidably disposed within the explosion-proof outer shell, capable of being pulled out after the front cover is opened and realizing power-off interlocking in maintenance mode; and a pressure relief structure disposed on the explosion-proof outer shell, used to directionally release pressure and prevent flame propagation when there is overpressure inside the box. This application achieves comprehensive technical effects of safe maintenance, controllable pressure relief, reliable explosion-proof, and stable temperature.