8results about How to "Increase swirl intensity" patented technology

The utility model relates to the technical field of urea spraying, in particular to a double-rotational-flow valve body for a urea nozzle and the urea nozzle, the double-rotational-flow valve body comprises a body, the body is provided with a first end face and a second end face which are opposite to each other, an inlet groove is formed in the first end face, an outlet groove is formed in the second end face, and the inlet groove is communicated with the outlet groove. The body is provided with a double-rotational-flow runner communicated with the inlet groove and the outlet groove; the double-swirl flow channel comprises an inlet flow channel, an outlet flow channel and a connecting flow channel, the inlet flow channel is arranged on the first end face and communicated with the inlet groove, the outlet flow channel is arranged on the second end face and communicated with the outlet groove, and the connecting flow channel is arranged in the body and connected with the inlet flow channel and the outlet flow channel. According to the double-rotational-flow valve body, the rotational flow strength of the urea nozzle can be improved, the spraying effect is improved, the double-rotational-flow valve body can have high machining consistency, and the reliability of the urea nozzle is improved.

The present invention discloses a flue gas cyclone distributor for rotary spray desulfurization, comprising an inner flue and an outer flue, wherein a bracket of a cross-shaped structure is arranged in the inner flue, and the inner flue is connected and fixed to the outer flue through the bracket, a circular flow equalizer is arranged at the inlet cross section of the inner flue, and a plurality of external cyclone sheets are arranged with equal arcs between the outlet of the inner flue and the outlet of the outer flue. The beneficial effect of the present invention is as follows: by dividing the single flue at the bottom of the rotary spray desulfurization tower into a combination of inner and outer flues, cyclone sheets are installed at the outlets of the inner and outer flues, and the inclination angle of the external cyclone sheets is greater than that of the internal cyclone sheets, the flue gas is divided into an upward airflow with a larger velocity component in the vertical direction, and an airflow with a larger rotation intensity that diffuses to the surroundings. Not only the flue gas convection intensity around the atomizing wheel is increased, but also the cyclone intensity of the flue gas in the tower is increased, thereby increasing the mixing intensity of the flue gas and the desulfurizer, and improving the desulfurization efficiency.

The present invention provides a nozzle for a gas-particle two-phase suspension metallurgical process, wherein the concentrate is first mixed with swirl wind to produce a premixing effect, and the concentrate particles are dispersed more evenly under the action of the swirl wind. The dispersion of the premixed concentrate and swirl wind is further enhanced by the flow-guiding effect of the guide cone surface. The distributed wind coming out of the dispersed flow channel outlet of the dispersed surface further disperses the concentrate moving there, and the degree of mixing with the peripheral process wind is more sufficient and uniform, thereby improving the concentrate combustion effect, strengthening the mass transfer and heat transfer rates in the reaction tower, helping to improve the equipment capacity, and effectively reducing the smoke dust occurrence rate and the SO3 generation rate in the flue gas.

The invention provides a hydrocyclone for solid removal of in-situ leaching uranium mining leachate and a use method of the hydrocyclone, and relates to the technical field of in-situ leaching uranium mining, the hydrocyclone comprises a main body part, and the main body part comprises a separation cylinder and a separation cone; the inlet pipe is tangent to the side surface of one end, far away from the separation cone, of the separation barrel; the annular baffle is arranged in the separation barrel; the overflow pipe is fixedly connected with the separation barrel through the hole in one end of the separation barrel, and an overflow silk screen is arranged at the end, close to the separation barrel, of the overflow pipe. According to the invention, the annular baffle is additionally arranged in the hydrocyclone to form the cyclone generating cavity, so that a flow channel is reduced after in-situ leaching uranium mining leachate enters the separation barrel from the inlet pipe, the fluid cyclone strength is improved, and the phenomenon of'short-circuit flow 'of particles is effectively avoided; in addition, the overflow pipe is provided with the overflow screen mesh, so that the effect of secondary particle trapping is achieved when the clear liquid overflows, and the treatment efficiency of the hydrocyclone is improved.

The present application relates to the field of petrochemical industry and environmental protection technology, and particularly relates to a multi-core pipe parallel type main and auxiliary cavity cyclone oil-gas-water separation system and a separation method. The method comprises obtaining the time of flight of reflected sound waves and the Doppler power spectral density diagram of the cyclone separation main cavity; determining the axial coordinate sequence and the radial coordinate sequence based on the time of flight; determining whether the cyclone intensity of the cyclone separation main cavity is qualified based on the height difference of the cyclone liquid column; in response to the unqualified cyclone intensity, determining the adjustment direction of the gas phase outlet back pressure based on the cyclone gas core ratio; based on the qualified cyclone intensity, determining whether the cyclone load of the cyclone separation auxiliary cavity is up to standard based on the frequency spectrum width value, and in response to the unqualified cyclone load, prolonging the liquid phase separation time of the cyclone separation main cavity; based on the qualified cyclone load, determining whether there is a downward trend of the oil-gas-water separation efficiency, and enabling sound early warning when the oil-gas-water separation efficiency has a downward trend. The present application solves the problem of lag in sensing the state fluctuation of the oil-gas-water mixed liquid flow field.

The application relates to the technical field of aeration devices, in particular to a micro-nano active ceramic aeration device which comprises a shell and a self-cleaning mechanism, the inside of the shell is fixedly connected with two mounting plates; the hexagonal active ceramic sheet and the self-cleaning mechanism are arranged, high-speed cyclone makes the gas receive stronger shearing force when passing through the micropores of the ceramic sheet, the micropore structure of the ceramic sheet is matched, the gas can be more efficiently broken into micro-nano bubbles with more uniform diameters, the gas-liquid mass transfer area and the dissolved oxygen efficiency are improved, meanwhile, part of the gas can drive the backforce blade, the brush shaft is rotated on the connecting seat under the drive of the backforce blade, a plurality of mounting seats and rotary brushes are driven to rotate, the plurality of rotary brushes continuously or periodically clean the surface and pores of the hexagonal active ceramic sheet along with the airflow, the adhered pollutants can be timely removed, the aeration efficiency caused by the pore blockage is avoided, the micropores of the ceramic sheet can keep unblocked for a long time, and the stable micro-nano bubble generation effect can be maintained.

The present invention belongs to the technical field of diesel engines, and specifically relates to an intake high-swirl cylinder head and a diesel engine, comprising a cylinder head body formed with an intake flow channel and an outlet flow channel, a flow channel wall extending between the intake inlet and the intake outlet of the intake flow channel, a swirl increasing portion protruding from the flow channel wall, the swirl increasing portion comprising an inducing surface and a collision surface, the inducing surface being an inclined surface directly facing the intake inlet to induce part of the gas to flow toward the first side wall and enter the intake outlet along the first side wall, the collision surface directly facing the gas flow path on the downstream side to collide with the part of the gas and force it to turn to the intake outlet; the present invention utilizes the swirl increasing portion protruding from the flow channel wall to induce part of the gas to flow toward the first side wall and enter the intake outlet along the first side wall, thereby reducing the gas near the second side wall and improving the swirl intensity of the gas, while colliding with another part of the gas to increase the swirl intensity of the gas, so that the gas and oil particles can be fully mixed, thereby improving the power of the diesel engine.

The invention belongs to the technical field of diesel engines, and particularly relates to an air inlet high-spiral-flow type cylinder cover and a diesel engine, the air inlet high-spiral-flow type cylinder cover comprises a cylinder cover body provided with an air inlet flow channel and an air outlet flow channel, a flow channel wall is formed between an air inlet and an air outlet of the air inlet flow channel in an extending mode, and a rotation increasing part is arranged on the flow channel wall in a protruding mode and comprises an inducing face and a collision face. The inducing surface is an inclined surface which is opposite to the gas inlet so as to induce part of gas to flow towards the first side wall and enter the gas outlet along the first side wall; the collision surface is opposite to a gas flowing path on the downstream side so as to collide with the part of gas and force the part of gas to turn to the gas outlet; the swirl increasing part arranged on the flow channel wall in the protruding mode is used for inducing part of gas to flow towards the first side wall and enter the gas inlet outlet along the first side wall, gas close to the second side wall is reduced, the swirl intensity of the gas is improved, meanwhile, the swirl intensity of the gas is increased by colliding with the other part of gas, the gas and oil particles can be fully mixed, and the oil particles can be fully mixed. The power of the diesel engine is improved.