7results about How to "Jet stabilization" patented technology

The invention is applicable to the technical field of microwave plasmas, and provides a normal-pressure microwave plasma jet device which comprises an outer conductor, an inner conductor coaxially arranged in the outer conductor, a nozzle in threaded connection with the bottom end of the outer conductor, a pin at the end of a radio frequency connector connected with the inner conductor through a connecting conductor, and a gas pipe joint in threaded connection with the outer conductor. The short-circuit plug screw is in threaded connection with the top end of the outer conductor, a short-circuit reflecting surface is arranged at the bottom of a connecting piece installed in the short-circuit plug screw, and the air guide ring is nested on the inner conductor and located between the radio-frequency connector and the air pipe joint; the scheme is simple, reliable and low in cost, stable normal-pressure microwave plasma jet can be obtained without configuring a complex control module to adjust the impedance matching degree of the system, the gas flowing state can be more stable, plasma at an outlet is prevented from being affected, the short-circuit reflecting surface is further designed to be in a threaded up-and-down adjusting mode, and the service life of the system is prolonged. And the impedance matching effect is achieved by finely adjusting the short-circuit reflecting surface.

The invention discloses an ion source induced nanofiber and a preparation device and method, and the device comprises a nanofiber collector, and a gas ionization generator, a unipolar ion beam extractor, a unipolar ion beam injector, a unipolar ion beam liquid phase mixer and a liquid phase capillary ejector which are sequentially communicated from top to bottom, the discharging end of the liquid-phase capillary ejector is provided with a capillary ejection opening, the nanofiber collector is provided with a receiving face and an ion beam receiving conductor electrically connected with the receiving face, the receiving face is correspondingly arranged below the capillary ejection opening, and a gap is formed between the receiving face and the capillary ejection opening. And the ion beam receiving conductor is correspondingly arranged below a negative polarity ion beam outlet of the unipolar ion beam extractor. According to the invention, stable and continuous spray deposition of nanofibers on any surface can be realized, and high-quality and high-yield manufacturing of nanofiber materials can be realized.

A low-NOx ammonia-coal stable combustion swirl burner relates to the field of clean combustion of coal with low carbon and low NOx. This invention addresses the problems of ammonia slip and high NOx emissions in existing ammonia-coal co-combustion technologies. In this invention, a primary air / pulverized coal duct is fitted onto a central NH3 duct, forming a primary air channel between them. An outer NH3 duct is fitted onto the primary air / pulverized coal duct, forming an NH3 channel between them. An inner secondary air duct is fitted onto the outer NH3 duct, forming an inner secondary air channel between them. An outer secondary air duct is fitted onto the inner secondary air duct, forming an outer secondary air channel between them. Tangential and axial blades are respectively installed in the inner and outer secondary air channels. This invention is used for pulverized coal swirl combustion.

This utility model discloses a car wash bottle, which includes a bottle body and a threaded cap. The cap integrates an inflation valve, a spray connector, a pressure relief valve, and a pressure gauge. The inner bottom surface of the bottle body has an inverted frustum-shaped liquid collection groove. A filter cartridge is fixed to the bottom end of the suction tube, with its bottom surface contacting the bottom surface of the collection groove. This maximizes the absorption and utilization of the liquid inside the bottle, reducing residue. The filter cartridge effectively filters impurities and eliminates cleaning fluid foam, ensuring stable and smooth spraying. This utility model has the advantages of high liquid utilization and stable operation.

The utility model relates to the technical field of cutting torch equipment, and improves the operation safety of a cutting torch device in the prior art. The cutting torch device comprises a gas inlet pipe assembly which is configured to be connected with an external gas source and convey combustible gas and combustion-supporting gas; the mixed gas chamber is connected with the gas inlet pipe assembly and is used for realizing gas premixing and pressure balance; one end of the jet pipe assembly is connected with the outlet end of the mixed gas chamber, and a nozzle is formed in the other end and used for accelerating flowing of the mixed gas and forming stable jet flow; the one-way valve is arranged on the jet pipe assembly and used for preventing gas from flowing reversely and maintaining the system pressure stable; and the fire arresting piece is arranged on the air inlet pipe assembly and the jet pipe assembly and used for preventing flame burn-back. The device is high in integration level, forms a multiple safety protection mechanism, and remarkably reduces the operation risk.

The utility model discloses a kind of for air jet uniform wind and direction of multi-hole coupling plate, comprising: body part, the body part includes arc segment and straight plate segment connected with the arc segment round smooth transition, the arc segment and the straight plate segment are all equipped with multiple groups of wind hole along the thickness direction of the body part through, the arc segment is unequal interval wind hole section and the straight plate segment is equal interval wind hole section. According to the embodiment of the utility model for air jet uniform wind and direction of multi-hole coupling plate, by plate body overall design is arc segment and straight plate segment, and the arc segment wind hole is designed as unequal interval wind hole section, straight plate section is designed as equal interval wind hole section, to effectively the parallel blowing device in parallel blowing and sucking type air curtain dust separation system The air inlet in wind is uniform, ensure that the blowing device jet flow in parallel blowing and sucking type air curtain dust separation system is stable, forms blowing and sucking type uniform wind air curtain.

The utility model discloses a kind of laser processing gas auxiliary device and equipment of air pressure self-regulation, wherein, laser processing gas auxiliary device of air pressure self-regulation includes gas reserve cavity, gas reserve container, gas jet cavity, gas jet container, first light transmission lens, second light transmission lens, third light transmission lens, air inlet hole, gas jet hole, gas differential disc, gear rack module, constant pressure regulating piston module, gas reserve container gas hole gas differential disc gas hole, the piston cavity of constant pressure regulating piston module is communicated with the gas reserve cavity of gas reserve container, when piston rod moves, piston rod is rotated to adjust the coincidence degree of gas reserve container gas hole and the gas differential disc gas hole by gear rack module with gas differential disc drives with the described gear rack module. This kind of laser processing gas auxiliary device and equipment of air pressure self-regulation has the advantages of simple structure, low in cost, when application, the airflow of output can be ensured to maintain constant pressure, improve laser processing quality.