70results about How to "Increase vortex" patented technology

Magnetic stirring devices, such as magnetic stirring elements and magnetic stirring systems, and stirring methods where enhanced stability and mixing efficiency is made possible by using magnets that are magnetized through thickness in relation to the rotation axis so as to improve torque and magnetic field coverage. In addition, stirring elements having protruding structures such as blades and support legs are used to improve stirring efficiency.

An inductance element (1) comprises a core (2) having a multilayer body (6) composed of magnetic alloy thin ribbons (5) and an insulating coating layer (7) which covers the peripheral surface of the multilayer body without being bonded thereto, and a coil (4) wound around the core (2). The magnetic alloy thin ribbons (5) are stacked in a non-adhered state or with a flexible insulating adhesive layer therebetween. Having such a structure, the inductance element can stably attain good characteristics even when it is small-sized or made short.

The invention provides a high-frequency magnet ring device for restraining very fast transient overvoltage (VFTO). The high-frequency magnet ring device is fixed on a center conductor of a gas insulated switchgear, and comprises an insulating sleeve, a plurality of magnet ring groups and insulating pieces. The insulating sleeve is sleeved on the center conductor, the magnet ring groups are parallelly sleeved on the outer wall of the insulating sleeve, and the insulating pieces are arranged between every two adjacent magnet ring groups. With the high-frequency magnet ring device, the defects of complicated structure, high production cost and low reliability of a VFTO restraining method in the prior art are effectively overcome.

This invention is a gas stove nozzle. It is set on a gasifying stove body, the nozzle includes a outer tube which includes a air intake and a spout, and the spout diameter is less than the intake diameter. It also includes a inner tube, the inner tube includes a feed port, discharge hatch, and at least a eddy flow generating device set on tube wall of inner tube. The inner tube is set in outer tube, and the flow generating device interleaved between inner and outer tube. The stove in this invention can be used to gas stove, it can improve fuel intensive mixed before they enter the stove to improve gasification efficiency of the stove, and it can effectively reduce the stove volume and reaction time, so the cost is reduced.

The invention belongs to the technical field of internal combustion engine equipment and relates to an air inlet guide structure for air inlet channels. The air inlet guide structure for the air inlet channels comprises an air cylinder cover. The bottom face of the air cylinder cover is connected with the air inlet channels. Guide grooves are formed at the positions, corresponding to inlets of the air inlet channels, of the bottom face of the air cylinder cover. The direction of the guide grooves and the direction of spiral eddies in the air inlet channels are identical. The air inlet guide structure for the air inlet channels is simple and reasonable in structure, targeted improvement is conducted in order to overcome defects of an existing air cylinder cover, eddies in the air cylinder of an engine are enhanced, and it is guaranteed that fresh air and fuel in the air cylinder are more fully and evenly mixed; and tumbles in the air cylinder are enhanced, so that the flame propagation speed in the air cylinder is increased, the combustion efficiency of the engine is higher, and discharged tail gas is cleaner.

The invention relates to a method for preparing biodiesel with low energy consumption, belonging to biological oilseed synthesis field. The current technology is characterized by long time- consumption for biological enzyme catalysis, large wastewater generation by homogeneous acid alkaline catalysis, and large energy consumption of supercritical method. The invention takes short- chain alcohol as acyl accepter, takes porous composite catalyst to catalize ester exchange reaction and converse biological oil material into biodiesel. The solid porous composite catalyst is characterized by large contacting area with reactant, high catalytic efficiency, no alkaline wastewater, and easy separation of catalyst from product; the pH of produced biodiesel is 7, which saves washing process; there is no need for high temperature and pressure, which reduces energy consumption; pretreating short-chain alcohol with heat exchanger, and the short-chain alcohol is pumped into ester change room by gas circulation pump, which increases the vortex in reaction room for stirring and thus saves stirrer expense.

The invention relates to a blade of a pulping machine, comprising a shaft lever and blades, wherein the blades are arranged on the lower end of the shaft lever; each blade comprises a horizontal sheet, a left vertical sheet and a right vertical sheet, wherein the left vertical sheet and the right vertical sheet are integrally formed by enabling both ends of the horizontal sheet to be respectively upward; the left vertical sheet is provided with a left deflector hole; the right vertical sheet is provided with a right deflector hole; and the edges of the left vertical sheet and the right vertical sheet and the lower edge of the horizontal sheet are respectively provided with diversion trenches. The invention has the advantages of simple structure, scientific design according to a fluid mechanics principle, high stirring rate, convenient cleaning, lower manufacturing cost and simple manufacturing process and is a safe and reliable blade of the pulping machine.

The invention provides a novel oil well electromagnetic paraffin remover. The novel oil well electromagnetic paraffin remover comprises a steel pipe; flange end covers are mounted at the left end andthe right end of the steel pipe correspondingly; the outer wall of the steel pipe is sleeved with a protective shell; a plurality of sets of inductance coils are evenly distributed on the outer wall of the steel pipe covered by the protective shell in a wound mode; waterproof fillers are arranged between the inductance coils and the inner wall of the protective shell; thermistors are arranged in the inductance coils; and protective baffle rings are mounted at openings of the left end and the right end of the protective shell in a sleeving mode. According to the electromagnetic induction principle, the novel oil well electromagnetic paraffin remover intends to adopt the mode that a high-frequency current is generated by an electronic circuit, a high-frequency electromagnetic field with thecertain strength is generated by the inductance coils, and when alternating magnetic flux acts on the steel pipe, the extremely-strong eddy current and heat effects are quickly generated in the steelpipe; and in addition, the alternating magnetic flux is further used for directly heating oil through the outer sleeve steel pipe, thus the temperature in the pipe is higher than the crystallization temperature of paraffin in the crude oil, and the paraffin removing effect is achieved accordingly.

The purpose of the present invention is to provide a mixing head which mixes a plurality of flowing raw materials so as to discharge the same and has enhanced mixing performance so as to more effectively mix the plurality of flowing raw materials, and a discharge device for the same. The mixing head for mixing a plurality of raw materials which are separately supplied so as to discharge the same, according to the present invention, comprises: a mixing member for carrying out a first mixing of the raw materials; a discharge member communicating with the mixing chamber of the mixing member such that the raw materials are introduced into a discharge movement path; a rotation member having a penetrated movement path which functions as a part of the discharge movement path, and which rotates in the state that the central axial line of the penetrated movement path is relative to the central axial line of the discharge movement path such that the rotation member can be inclined at a predetermined angle so as to form a joining section in the discharge movement path; and a driver for driving the rotation member so as to rotate the rotation member.

The invention discloses a multi-stage synchronous powder mixer and a thermal spraying device. By adoption of the multi-stage synchronous powder mixer and the thermal spraying device, the problem thata powder mixer in the prior is poor in mixing uniformity is solved. The multi-stage synchronous powder mixer and the thermal spraying device have the advantages that mixing is uniform, and mixing in different proportions can be achieved. According to the scheme, the multi-stage powder mixer comprises a first-stage powder mixer and a second-stage powder mixer, wherein the first-stage powder mixer is provided with a plurality of powder inlets and is also provided with an air inlet; the second-stage powder mixer is arranged at an outlet of the first-stage powder mixer, a diameter-variable channelis formed at an inlet of the second-stage powder mixer to accelerate a powder flow, a mixing channel communicating with the diameter-variable channel is formed in the second-stage powder mixer, and gas at a set pressure can be introduced into the mixing channel; and gas is delivered to an inlet of the mixing channel, so that the powder flow and the gas at the set pressure encounter at the inlet of the mixing channel, and then the inlet of the mixing channel is rapidly filled with the powder flow.

The invention relates to a method and a device for drying an object (2), in particular a painted vehicle body, wherein the object (2) is moved through a drying zone (8) in which the object is Hardened in an inert gas atmosphere. In order to bring in as little ordinary atmosphere as possible from the outside when introducing the objects (2) into the drying zone (8), the objects (2) are guided through a gate zone (7) before the drying zone (8), In the gate area, the normal atmosphere and the inert gas atmosphere existing outside the drying area (8) exist in layers above and below each other due to the difference in density. Objects are transferred from said normal atmosphere into the inert gas atmosphere by a motion having a vertical direction component when passing through the gate area (7).

Provided is a batch reactor with an improved baffle installation structure. The batch reactor comprises: a reactor body for holding a reactant; a stirring blade, installed inside the reactor body, for stirring the reactant; a motor, coupled to the rotation shaft of the stirring blade, for rotating the stirring blade; and a plurality of baffles which are located between the inner wall of the reactor body and the stirring blade and installed at a distance from each other along the circumferential direction of the reactor body. Each of the plurality of baffles includes a plurality of pipes disposed to be adjacent to each other along the radial direction and the circumferential direction of the reactor body.

The invention discloses a nanocrystalline magnetic ring device, which is fixed on a gas-insulated enclosed switchgear and comprises a nanocrystalline magnetic ring string, a protective shell, a shielding case and insulating parts, wherein the gas-insulated enclosed switchgear is sleeved with the nanocrystalline magnetic ring string; the nanocrystalline magnetic ring string comprises a plurality of nanocrystalline magnetic rings; the nanocrystalline magnetic rings are closely arranged along the axial direction of the gas-insulated enclosed switchgear; two adjacent nanocrystalline magnetic rings are connected through a first bonding layer; the protective shell sleeves the outside of the nanocrystalline magnetic ring string; the inner diameter of the protective shell is equal to the outer diameter of the nanocrystalline magnetic ring string; the shielding case is connected with the protective shell through a second bonding layer; the insulating parts are arranged at two ends of the magnetic ring string; and the insulating parts are connected with the adjacent nanocrystalline magnetic rings through the first bonding layer. The nanocrystalline magnetic ring device is simple in structure, low in cost and high in reliability; manual operation is not needed; and the amplitude and the steepness of VFTO can be effectively suppressed.

The invention discloses a fuel injector. The fuel injector comprises a needle valve and a valve seat, wherein the needle valve comprises a needle valve head and a needle valve tail; the needle valve tail is in a cavity structure; a cylindrical tube body forms between the surface of the needle valve head and the inner ring surface of the valve seat, and a gradually shrunk and expanded flow pipeline of the fuel injector forms in the cavity between the cylindrical tube body and the needle valve tail. According to the fuel injector, the fuel injection speed at the injection hole of the fuel injector can be improved, the fuel atomizing characteristics of the injection hole outlet are improved without increasing external conditions such as increasing of injection pressure or other parts, and the eddy current at the nozzle outlet can be further increased under the action of the aerodynamic force of the supersonic speed airflow to atomize towards the axis, so that the atomized particle size can be further detailed and the atomizing characteristics can be improved.

The invention aims to provide an ultrafine particle separation system under a coupling mechanism. A turbulence coalescer of a pure mechanical structure and cyclone separation equipment are directly and sequentially installed together, efficient separation of ultrafine particles is achieved by means of a coupling mechanism, the ultrafine particle separation effect is good, and the system is simplein structure, safe and reliable in equipment, wide in application range, and suitable for various ultrafine particle separation processes. The system comprises a cyclone separator, the turbulence coalescer is arranged at an inlet of the cyclone separator, the turbulence coalescer comprises a shell, the shell comprises an inlet and an outlet, the outlet of the shell is connected with the inlet of the cyclone separator, the cross section of the shell is rectangular, a turbulence column device is arranged in the shell, and a plurality of guide vanes are further arranged in the upstream directionof the turbulence column device.

The invention discloses a flue gas waste heat recovery system for gas thermal equipment. A discharge flue of the gas thermal equipment is communicated to a gas inlet of a heat pipe air heater; an exhaust port of the heat pipe air heater is communicated to a gas inlet of a condensation type feed water heater; an exhaust port of the condensation type feed water heater is communicated to a chimney; an air supply outlet of a variable frequency air feeder is communicated to an air inlet of the heat pipe air heater; an air outlet of the heat pipe air heater is communicated to an inlet of combustion equipment; a water inlet of a variable frequency pulsing water feeding pump is communicated to a water feeding tank; a drainage port of the variable frequency pulsing water feeding pump is communicated to a water inlet of the condensation type feed water heater; a water outlet of the condensation type feed water heater is communicated with heat using equipment; a programmable controller periodically changes a Hedstrom number of the variable frequency pulsing water feeding pump by a program, so that a flow velocity in the condensation type feed water heater is periodically mutated, and thus, the technical problem of low energy-saving rate of an existing gas thermal equipment heat energy recovery mode is solved, and energy saving efficiency of the system is effectively improved.

The invention relates to a cold trap device for gas chromatography of transformer insulating oil. The cold trap device comprises a cold trap shell, wherein the upper top surface of the shell is provided with an upper gas inlet / outlet nozzle, and the lower bottom surface of the shell is provided with a lower gas inlet / outlet nozzle; an external refrigeration pipe is wound outside the shell; the shell is internally provided with an internal refrigeration pipe; an upper perforated plate and a lower perforated plate are fixedly arranged in the cold trap shell; the part between the upper perforated plate and the lower perforated plate is filled with stationary phase; the cold trap shell is contained in semi-cylindrical grooves formed in the middles of a left metal heat conduction clamp block and a right metal heat conduction clamp block; the left metal heat conduction clamp block and the right metal heat conduction clamp block are respectively provided with a penetrating hole, and are fixed together by fixed bolts which passes through the penetrating holes; a left semiconductor refrigeration plate and a right semiconductor refrigeration plate which are stuck by silica gel paste are arranged on the outer sides of the left metal heat conduction clamp block and the right metal heat conduction clamp block respectively. After the cold trap device is used, internal refrigeration and external refrigeration are carried out at the same time, so that gas refrigeration is uniform and rapid; a heating structure is ingenious, so that gas can be completely trapped, and no residue is left during desorption.

The invention relates to a method for recemizing space non-magnetized metal debris. By means of the relative motion speed between a rotating magnetic field and the debris, cutting magnetic lines of force of the debris are accelerated, an eddy torque is produced, the action effect of the eddy torque is improved, and the debris recemizing time is shortened. Compared with an existing study, the method has the following beneficial effects that the established rotating magnetic field opposite to the moving direction of the debris increases the relative motion speed between the rotating magnetic field and the debris and enlarges the eddy current produced by the cutting magnetic lines of force of the debris, and therefore the racemizing torque is enhanced, and the racemizing time is shortened.

The invention provides a large braking torque eddy current retarder rotor, comprising one or more than one rotor discs which are laminated, and at least one closed solenoid coil is arranged on the rotor disc. The rotor can produce large eddy current and provides the braking torque with thousand-meter height; in addition, the structure is simple and form, the processing is convenient, and the rotor can be applied to retarding braking of various vehicles such as automobiles, trains and the like.

The invention discloses a marine domestic sewage filtering device. The marine domestic sewage filtering device comprises a mixing tank and a purifying tank, a filtering cabin and a discharging cabin are arranged inside the mixing tank from top to bottom, a water inlet and a water outlet which are communicated with the filtering cabin are respectively formed in a left side and a right side of the mixing tank, the water outlet is connected with the purifying tank through a connection tube a, a filtering unit is mounted in the filtering cabin and comprises a stirring shaft, the stirring shaft isinternally hollow and provided with a flow guiding channel, and communication holes are evenly formed in a sidewall of the flow guiding channel. The marine domestic sewage filtering device is capableof purifying sewage in batches, reducing water resource waste and benefiting later-period collection and treatment of a water body.

The invention relates to a multi-fluid mixer which comprises a gas mixing base and a mixing core. The mixing core is arranged inside the gas mixing base; the gas mixing base comprises a top plate and a bottom plate, an outer cavity wall, a middle cavity wall and an inner cavity wall are coaxially arranged between the top plate and the bottom plate, a first fluid cavity is formed between the outer cavity wall and the middle cavity wall, a second fluid cavity is formed between the middle cavity wall and the inner cavity wall, and a gas mixing cavity is formed inside the inner cavity wall; and the mixing core comprises a middle support, a first fluid gas mixing blade and a second fluid gas mixing blade, one end of the first fluid gas mixing blade is fixedly connected with the outer wall of the middle support, the other end of the first fluid gas mixing blade (22) penetrates the inner cavity wall to be fixedly connected with the middle cavity wall, one end of the second fluid gas mixing blade is fixedly connected with the outer wall of the middle support, and the other end of the second fluid gas mixing blade is fixedly connected with the inner cavity wall. By means of the design, mixing of three kinds of fluid can be achieved, and the uniform mixing integration level is high.

The invention discloses a mist vortex atomizing head, and relates to the technical field of atomizing heads. The mist vortex atomizing head comprises an arc-shaped cover and a diversion plate. An arc-shaped sealing plate is fixed on one arc-shaped end face of the arc-shaped cover, a first diversion cylinder is arranged at the top of the arc-shaped cover in the diameter direction of a sphere wherethe arc-shaped cover is located, and a plurality of second through holes are uniformly formed in the top of the arc-shaped cover in an annular mode. A flow distribution cylinder is arranged at the center position of one end face of the diversion plate, and third through holes are uniformly formed in a shaft of the flow distribution cylinder in an annular mode. The third through holes communicate with an annular air cavity which is formed in one end face of the diversion plate, and a plurality of fourth through holes are uniformly formed in one end face of the annular air cavity in an annular mode. According to the mist vortex atomizing head, the axial direction of the second through holes formed in an atomizing cover is pointed to the spherical center of the sphere where the atomizing cover is located, the second through holes communicate with the third through holes through spiral pipes, and it is ensured that mist is discharged from the second through holes to form vortexes after passing through the spiral pipes; and the diffusion effect of the mist is better, and the problem that the mist diffuses slowly to condense into large water droplets due to the fact that the diffusion speed is low after discharging is avoided, so that the atomization effect is good.

The invention discloses an intelligent electricity-saving purification sucking and discharging system for kitchens. The intelligent electricity-saving purification sucking and discharging system comprises an intelligent controller and a frequency converter, wherein a fume hood is sequentially connected to a high-frequency oil fume purifier, a fan, a water film oil fume treatment device and an airoutlet pipe through a ventilation pipe, and is provided with an oil fume separator, manual air valves and electric air valves at an air suction port, the intelligent controller is connected to the fume hood, the high-frequency oil fume purifier, the fan, the frequency converter and the water film oil fume treatment device, the required air sucking amount is controlled by adjusting the opening degrees of the manual air valves and the number of the opened electric air valves, and the intelligent controller respectively controls the high-frequency oil fume purifier and the water film oil fume treatment device to stop the working after a certain time after the fan is turned off. According to the present invention, the comprehensive oil fume separation and air purification method is used so asto achieve the intelligent energy-saving operation and efficient oil fume sucking and discharging.

The invention discloses a mist vortex atomizing head, and relates to the technical field of atomizing heads. The mist vortex atomizing head comprises an arc-shaped cover and a diversion plate. An arc-shaped sealing plate is fixed on one arc-shaped end face of the arc-shaped cover, a first diversion cylinder is arranged at the top of the arc-shaped cover in the diameter direction of a sphere wherethe arc-shaped cover is located, and a plurality of second through holes are uniformly formed in the top of the arc-shaped cover in an annular mode. A flow distribution cylinder is arranged at the center position of one end face of the diversion plate, and third through holes are uniformly formed in a shaft of the flow distribution cylinder in an annular mode. The third through holes communicate with an annular air cavity which is formed in one end face of the diversion plate, and a plurality of fourth through holes are uniformly formed in one end face of the annular air cavity in an annular mode. According to the mist vortex atomizing head, the axial direction of the second through holes formed in an atomizing cover is pointed to the spherical center of the sphere where the atomizing cover is located, the second through holes communicate with the third through holes through spiral pipes, and it is ensured that mist is discharged from the second through holes to form vortexes after passing through the spiral pipes; and the diffusion effect of the mist is better, and the problem that the mist diffuses slowly to condense into large water droplets due to the fact that the diffusion speed is low after discharging is avoided, so that the atomization effect is good.

The invention discloses an anti-knock engine. The anti-knock engine comprises a cylinder and an air cylinder cover, wherein a combustion chamber corresponding to an air cylinder on the cylinder body is formed in the air cylinder cover, and a first sparking plug facing the corresponding air cylinder is mounted in the middle of the combustion chamber; the engine also comprises a valve group arrangedon the combustion chamber and is characterized in that the valve group comprises at least two exhaust valves adjacent in the peripheral direction of the corresponding air cylinder, a second sparkingplug is also arranged between any two adjacent exhaust valves and located on one side, away from the first sparkling plug, of the two exhaust valves. The anti-knock engine has the advantages that thestructure design is reasonable, the air inlet circulation section is larger, a high-temperature area and tail gas in the cylinder body can be scavenged and cooled, eddy current in the cylinder body isenhanced to promote forming of mixed gas, the anti-knock effect is good and the like.

The invention discloses an oil fume filtration combination screen. An air inlet screen comprises an air inlet eye array, the perimeter of each air inlet eye extends towards the inner side of the air inlet screen to form air conduction rings with the top part being opened and thus an air conduction ring array is formed; an air outlet array is arranged on an air outlet screen, the perimeter of each air outlet eye extends towards the inner side of the air outlet scrren to form folded air rings with the bottom part being opened and thus a folded air ring array is formed; each four adjacent folded air rings which are arranged in a quadrilateral way and the bottom wall of the air outlet screen arranged among the folded air rings form a convoluted air chamber, all convoluted air chambers form a convoluted air chamber array which is corresponding to the air conduction rings on the air inlet screen, a clearance is arranged between the air conduction rings and the convoluted air chamber to form an annular air duct; the air inlet openings, the air conduction rings, the convoluted air chambers and the air outlet openings arranged at the perimeter of the convoluted air chambers form a bent air flow duct. The oil fume forms complicated three-dimensional diffusion flow in the bent air flow duct, so the probability of the oil fume atoms are thrown and attached towards the edge of the air flow duct and the purification effect is improved.