110results about How to "Enhance swirl effect" patented technology

The invention discloses an array antenna for generating microwave orbital angular momentum based on a phase gradient super-surface. The array antenna is formed by the arrangement of phase shift units (1), each phase shift unit (1) comprises a dielectric plate (3), a metal patch (4) is arranged on the surface of the dielectric plate (3), an upper hole (5) is formed in the middle of the metal patch (4), a metal ground plate (6) is arranged at the bottom of the dielectric plate (3), a lower hole (7) is formed in the middle of the metal ground plate (6), and a metal pipe (8) is arranged at the middle of the dielectric plate (3) and communicates with the upper hole (5) and the lower hole (7). The array antenna has the characteristics of small size, light weight and low cost; meanwhile, the continuous control of the orbital angular momentum in phases of 0 to 2Pi is further achieved, and obvious vortex orbital angular momentum is generated; and moreover, the array antenna has an excellent reflection effect.

The invention relates to a two-way rotational flow cylinder type urea mixing device which comprises a nozzle base, a base supporting cover, a rotational flow pipe, a metal mesh ring, a supporting plate, a back rotational flow plate, a front rotational flow plate and a cylinder; the supporting plate is arranged inside the cylinder, a hole is formed in the front part of the supporting plate, the front rotational flow plate is installed inside the hole, the back rotational flow plate is installed at the rear part of the supporting plate, and the front rotational flow plate, the supporting plate and the back rotational flow plate form a mixing cavity inside the cylinder; the nozzle base, the base supporting cover, the rotational flow pipe and the metal mesh ring are sequentially fixedly connected from top to bottom, the base supporting cover penetrates through the hole in the cylinder and is fixedly connected with the cylinder, and the rotational flow pipe runs into the hole in the middle of the supporting plate to be fixedly connected with the supporting plate; the metal mesh ring stretches into the mixing cavity; the nozzle base, the base supporting cover, the rotational flow pipe and the metal mesh ring are inclined. On the condition of ensuring urea mixing uniformity, the crystallization problem that the urea decomposition efficiency is not high in an SCR system is solved.

The present invention belongs to the field of industrial waste gas purifying technology, and is one circular composite swirl-uniflow fluidizing device for fume desulfurizing fluidized bed. The fluidizing device includes an inlet fume channel, a Venturi tube, a reducing section and a desulfurizing barrel connected successively from bottom to top, and features that it includes also an inner sleeve installed inside the Venturi tube and a swirl fluidizing unit installed between the inner sleeve and the Venturi tube. Partial fume flows inside the inner sleeve and the rest flows in the swirl fluidizing unit, so as to form the composite fume fluidizing comprising the uniflow fluidizing inside the inner sleeve and swirl fluidizing outside the inner sleeve. The composite fluidizing device has simple structure, less gas flow deflection, high fluidizing effect, long grain retaining period, great inner circulation multiple and high desulfurizing efficiency.

The invention relates to a dual-swirl inclined cylindrical type urea mixer and application in an exhaust after-treatment device thereof, and belongs to the technical field of tail gas after-treatmentof diesel engines. The double-swirl inclined cylindrical type urea mixer comprises a Z-shaped partition plate, a swirl tube, a cylinder body, a nozzle base, a swirl plate, a blocking cover and a ureanozzle, the urea nozzle is mounted on the nozzle base, both of the urea nozzle and the nozzle base are obliquely mounted on the cylinder body; and the blocking cover and the swirl tube are welded intoa whole and obliquely welded to the Z-shaped plate. According to the application of the dual-swirl inclined cylindrical type urea mixer in the exhaust after-treatment device, the exhaust after-treatment device is in a cylinder shape, and sequentially comprises an air inlet pipe assembly, a DOC assembly, a DPF assembly, the double-swirl inclined cylindrical type urea mixer, a SCR assembly and an air outlet pipe assembly in the air flow direction. According to the double-swirl inclined cylindrical type urea mixer, two swirl devices are adopted, the mixing effect of urea and waste gas is ensured, and the crystallization risk of the urea is effectively reduced.

The invention discloses a high-efficiency defogging device. The high-efficiency defogging device comprises a plurality of parallel defogging components; each defogging component comprises a gas riserpipe and an outer barrel; the outer barrel is arranged on the outer side of the gas riser pipe and located on the same axis as the gas riser pipe; the gas riser pipe is axially divided into an upper part and a lower part, the upper part is a gas riser pipe I, the lower part is a gas riser pipe II, the gas riser pipe II is fixed on a tray, and the gas riser pipe I and the gas riser pipe II are connected with each other by a bearing; the top of the gas riser pipe I is provided with an upper capping plate; the gas riser pipe I is circumferentially provided with a plurality of slits; and vanes arecircumferentially arranged on the gas riser pipe I at positions close to the slits. The high-efficiency defogging device of the invention realizes the separation of droplets from gas by multiple baffling, acceleration and scraping effect in the flowing process of fluids. The high-efficiency defogging device of the invention has the advantages of simple structure, small pressure drop, small possibility of scale formation, convenient installation, reduced mist entrainment and capacity of effectively realizing gas-liquid separation, and is especially applicable to occasions with large gas flow fluctuations.

The present invention relates to a filtering apparatus for filtering raw water containing various impurities and mixtures into purified water, and more particularly to a multistage filtering apparatus in which a rotor for generating vortex are installed in each of multiple layers of filtration membrane stacked within a closed barrel and the rotors are formed in multistage by having different diameter of each rotor so that the power for generating vortex can be remarkably minimized by generating the vertical vortex from top and bottom of the rotary rotor and the horizontal vortex from the outer side of circumference plate of the rotary rotor to be crossed over between membranes to prevent from blocking the pores or remove the deposited pollutants, and the closed-type barrel having multistage of membranes, rotary shaft, and rotary rotors for vortex generation within are constructed as a single module of filter pack, and the filter pack is connected and extended in accordance with required purified capacity so that large scale installation of filtering apparatus is possible.

A hanging type insulating device of a wet electric precipitator insulating box comprises an insulating cover, an insulating box base, an insulator, a hanging rod and a cyclone disc. The insulating cover is arranged on the insulating box base through a bottom disc flange. A conical hole is formed in the center of a bottom plate of the insulating cover, and the large opening end of the conical hole faces upwards. The cyclone disc is a circular ring. A plurality of air flues are evenly distributed on the circumferential wall of the cyclone disc. The air flues are inclined air flues with the large outer ports and the smaller inner ports and are consistent in inclination direction. The cyclone disc is arranged in the conical hole of the bottom plate of the insulating cover, is coaxial with the bottom disc flange and is arranged at the upper end of the bottom disc flange. The insulator is placed at the upper portion of the cyclone disc. An air inlet is formed in the top of the insulating cover. After entering a cavity of the insulating cover through the air inlet, the hot air enters the insulating box base through the air flues on the cyclone disc, and a backspin cyclone curtain can be formed after hot air enters the insulating box base; partition is formed for an insulating box base inner cavity where wet smoke invades, the short circuit between the hanging rod with high-voltage electricity and the cavity of the insulating cover so that electric conduction can be avoided, and the short-circuit access among the hanging rod, a gland and the insulating box base is blocked.

The invention discloses a rotational-flow-structure deodorizing floor drain. The rotational-flow-structure deodorizing floor drain comprises a floor drain cover, a large filtering net, a small filtering net, a floor-drain-core inner pipe, a floor-drain-core pulling ring, a floor-drain-core shell, a floor drain body and the like, wherein the floor-drain-core inner pipe is matched with the floor-drain-core shell, the floor-drain-core pulling ring is installed in the floor-drain-core shell, the floor-drain-core inner pipe, the floor-drain-core pulling ring and the floor-drain-core shell jointly form a floor drain core, the floor drain core is installed in the floor drain body, then the small filtering net is installed in an installing groove reserved in the top end of the floor-drain-core inner pipe, the large filtering net covers the small filtering net, the large filtering net is installed in an installing groove reserved in the center of the floor drain body, and the floor drain covercovers the floor drain body. According to the rotational-flow-structure deodorizing floor drain, the spiral-wall-structure water draining principle is adopted, water flow is drained through a rotational-flow wall during water draining, and the rotational-flow effect during water draining appears; rotational flow forms negative pressure to improve the water draining effect; meanwhile, the rotational-flow-structure deodorizing floor drain has the multiple-filtering-net structure easy to clean, and it is effectively reduced that as hair falls down on the floor drain core, the water draining performance is influenced.

The invention relates to a combined pressure rotational flow open type water mist spraying head applied to a large cruise ship. The spraying head comprises a connecting part, a filter net cylinder, anozzle base and multiple nozzles, wherein the connecting part comprises a first cylinder part, a second cylinder part and a third cylinder part fixedly connected in sequence and all hollowed; multipleinclined holes are formed in the side wall of the first cylinder part; the filter net cylinder is reversely buckled on the first cylinder part through a tight matching mode for covering the first cylinder part on the inner side; the nozzle base is detachably connected with the third cylinder part, and is provided with multiple nozzle mounting holes; the multiple nozzles are correspondingly mounted in the multiple nozzle mounting holes; first conical holes near the nozzle mounting holes and second conical holes connected with the first conical holes are axially arranged in the nozzles; the diameters of the first conical holes are gradually reduced in a direction of leaving away from the nozzle mounting holes; and the diameters of the second conical holes are gradually increased in a direction of leaving away from the first conical holes. The spraying head conveniently mounts and replaces each part, conveniently stores wearable parts, and meanwhile, is large in coverage area sprayed bythe nozzles and excellent in fire extinguishing effect.

The invention provides a combined gas and water separating device. The device comprises a housing which is provided with an opening in the upper part and a water draining port in the lower part, a solenoid valve which is mounted on the water draining port, a gas outlet and a volute gas inlet which cover the opening in the upper part of the housing and are independent from each other, an upper cover of a volute rotating chamber which is connected to the volute gas inlet, a sleeve which is coaxially positioned in the housing and is mounted on an upper cover in a manner of communicating with thegas outlet, and a filter element which is mounted at the lower part of the sleeve and is coaxial with the housing. The device integrates the functions of a cyclone separator and a filter element filter; flow guide blades are saved; and the device has the beneficial effects of being small in structure, small in pressure reduction, good in water separating effect, and flexible to mount.

An underwater anti-blocking and resistance-reducing elbow structure comprises an elbow as well as an inlet flange and an outlet flange which are arranged at two ends of the elbow; multiple spiral grooves are formed in a flow channel of the elbow in the length direction of the channel; and multiple pits are formed in the outer surface of a main pipe section and the outer surface of a switching section respectively. When the structure is used for conveying a particle-containing fluid in an underwater environment, the multiple spiral grooves are machined in the elbow to enhance the rotational flow effect of the fluid in the elbow, the particle-containing fluid rotates in the flow channel of the elbow, the rotational flow acting force is applied to particles, the particles are in the suspended state, deposition of solid particles due to the secondary flow effect of the elbow is avoided, and the particles are effectively prevented from blocking the elbow; and the surface pits are formed in the outer surface of the elbow, so that resistance produced by flow boundary layer separation is reduced.

The invention relates to an efficient feces separation device of a pond circulating water system. By means of the design of a conical dirt collection pond and a flow guide notch, the device effectively improves the swirling flow effect, so that solid waste finally settles in the dirt collection pond; an insertion pipe and a dirt discharge pipe form a communicating vessel which can control whether feces in the dirt collection pond can flow into a dirt discharge pond or not. The device is simple in structure, can effectively discharge residual bait and feces in a breeding tank, and can effectively solves the problems that residual bait and feces settlement causes ammonia nitrogen accumulation and harmful bacterium breeding and accordingly normal growth of bred objects is affected or even the bred objects are dead.

The invention discloses a non-splash-type winter coral recovery and separation protection device based on homogeneous principle vortex impact and belongs to the technical field of winter coral pickingmachinery, in particular to a device for non-splash protective recovery of juice of toxic plant fruit, and innovative combining of the homogeneous principle technical theory, mechanical stirring andthe vortex technology perfectly to realize complete separation of the winter coral pulp seeds by vortex impact. The non-splash-type winter coral recovery and separation protection device comprises a spray curtain blocking non-splash branch and leaf clamping non-destructive recovery mechanism, a reciprocating fit impact cutting self-positioning recognition type primary pulp seed separation mechanism, a homogeneous principle vortex energy impact type contradictory pulp-crushing complete separation mechanism and a pulp seed separation and loading box, the spray curtain blocking non-splash branchand leaf clamping non-destructive recovery mechanism is arranged on the pulp seed separation and loading box, and both the reciprocating fit impact cutting self-positioning recognition type primary pulp seed separation mechanism and the homogeneous principle vortex energy impact type contradictory pulp-crushing complete separation mechanism are arranged in the pulp seed separation and loading box.

The invention discloses a flue gas rotational flow device for flue gas desulfurization and a use method thereof. The flue gas rotational flow device comprises a fixing plate, supporting legs are fixedly connected to the four corners of the bottom of the fixing plate, a control panel is fixedly installed at one end of the top of the fixing plate, and a rotational flow box is fixedly connected to the top of the fixing plate, and the bottom of the rotational flow box extends to the bottom of the fixing plate. The flue gas rotational flow device is compact in structure, simple and convenient to operate and high in practicability, a plurality of rotational flow blades are arranged in the rotational flow box and matched with a driving ash removal mechanism, flue gas passing through the interior of the rotational flow box can be fully subjected to rotational flow operation, then the flue gas is subjected to demisting operation, and meanwhile, a dust removal mechanism and the ash removal mechanism are arranged to be matched with each other, dust removal operation can be rapidly conducted on the rotary knob blades and the interior of the rotational flow box, therefore the cleanliness of the surfaces of the rotational flow blades is guaranteed, the rotational flow effect is greatly improved, and actual use is facilitated.

The invention discloses a multistage demisting device. The multistage demisting device comprises a plurality of parallel demisting assemblies, each of the demisting assemblies comprises multistage risers and an outer cylinder, the multistage risers are multiple coaxial risers with the caliber gradually increasing from inside to outside, and the multistage risers are the risers of at least two stages; the outer cylinder is arranged at the outer side of the multistage risers, and is on the same axis with the risers; and the innermost layer riser of the multistage risers is the first stage riser,and the tops of all the risers gradually rise from inside to outside. A plurality of outgassing rectification passages are uniformly arranged in the circumference of the upper end of every riser, andthe rotation direction of the outgassing rectification passages of the risers is same to the rotation direction of the gas inflow rectification passages of the first stage riser. The multistage demisting device has the advantages of simple structure, small pressure drop, no scale formation, convenience in installation, reduction of mist entrainment, and effectiveness in realization of gas-liquidseparation, and is especially suitable for occasions with large gas flow rates and high demisting requirements.