70results about How to "Increase vortex" patented technology

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 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 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 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 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.

Gas-solids separator comprises a tubular housing, an inlet for introducing a gas-solids mixture at one end of said housing, which inlet is executed such that it imparts a swirl to the gas-solids mixture, a solids outlet opening at the opposite end of said housing, and a co-axially positioned tubular gas outlet conduit placed at an end of said housing, which separator further comprises a vortex stabilizer, comprising a pin placed on a stabilizing plate, in which separator the pin runs along the axis of the tubular housing and in which a passageway is provided through the stabilizer plate and the pin.

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 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 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.