68results about How to "Reduce blending" patented technology

The invention belongs to the field of renewable energy sources and hydrogen energy, and discloses an electrolyte flow and pressure control method and system for a dynamic hydrogen production electrolytic bath. The method comprises the following steps: S1, obtaining the external power supply input power of the electrolytic bath; and S2, comparing the input power of the external power supply with the preset power of the electrolytic bath; when the input power of the external power supply is greater than the preset power of the electrolytic bath, rising the electrolytic current, increasing the pressure of the electrolytic bath and increasing the electrolyte flow; and when the external power input power is smaller than the preset power of the electrolytic cell, reducing the electrolytic current, reducing the electrolytic bath pressure, and reducing the electrolyte flow. According to the invention, safe, stable and efficient operation of the electrolytic bath in the dynamic hydrogen production process is realized through automatic adjustment of the pressure and flow of the electrolyte, and absorption of renewable energy sources is realized through hydrogen production by using electrolyzed water.

The invention relates to a multi-arc chute processing machine box applying to a rotor blade tip end region of an axial flow compressor. For the design of the multi-arc chute processing machine box, the greater flow loss of the processing chute caused by the rectangular and trapezoid design of the traditional processing machine box is taken into account. Through the reasonable design of a geometric construction type of the processing chute, namely the combination design that a double-arc shape is adopted at the direction of the R direction and a circular arc shape is adopted for theta (circumference), the greater low loss caused by the rectangular and trapezoid design is avoided, thus the peak value efficiency is improved slightly, meanwhile the stall margin of the compressor is improved greatly for the multi-arc chute processing machine box.

The invention discloses a design method for a propeller blade. The propeller design is performed by adopting an optimal load distribution curve; and it is concluded that a ratio of local effective power to local consumption power of a blade element has the optimal distribution curve. The propeller design is performed according to the curve, so that relatively high aerodynamic efficiency can be achieved without performing three-dimensional numerical optimization. The design cycle can be shortened and the improvement of the aerodynamic efficiency of the blade can be assisted; and the three-dimensional numerical optimization design does not need to be performed, so that the design cycle is only 1-2 days.

The invention discloses an axial flow blower, which comprises a net cover, an impeller, a guide vane, an inner cylinder, an outer cylinder, a motor and a shaft sleeve. The net cover is fixed on the outer cylinder, is of a concentric structure and is formed by weaving iron wires; the impeller comprises a wheel hub and vanes, and the vanes are airfoil vanes which are designed through a constant circulation isolated airfoil method; a fin-shaped vortex breaking structure is arranged on a part, close to the root, of the suction surface of each vane; the top parts of the vanes are machined into an airfoil groove structure; and a labyrinth seal structure is formed in a gap between the wheel hub of the impeller and the inner cylinder. The shark fin-like vortex breaking plate is additionally arranged on the part, close to the root, of the suction surface of each vane of the impeller of the axial flow blower, the airfoil groove is formed in the top of each vane of the axial flow blower, and the labyrinth seal structure is formed in the gap between the wheel hub of the impeller and the inner cylinder, and different positions of the axial flower blower are improved, so that the efficiency of the axial flow blower is relatively high, the noise is relatively low, and the energy conservation and environment protection are achieved preferably.

The invention discloses an axial flow fan with blade suction surfaces having vortex breaking structures and with grooves formed in blade tops. The vortex breaking structures are additionally arranged on the portions, close to roots, of the suction surfaces of blades of an impeller, the airfoil grooves are machined in the tops of the blades, a labyrinth seal structure is additionally arranged in the clearance between a hub and an inner barrel, rectangular grooves are machined in the tails of the suction surfaces of guide vanes, the size of channel vortexes in an impeller passenger can be restrained, and radial secondary flow is reduced. Development of leakage flow can be impeded, mixing of the leakage flow and main flow is weakened, and therefore leakage losses of the blade tops are reduced. A high throttling effect can be generated, the stability of airflow on an outlet of the impeller is improved, and the leakage amount of airflow at the roots of the blades is reduced. The thicknesses of boundary layers on the tails of the guide vanes can be well controlled, separation of the boundary layers is avoided, disengagement of the vortexes is restrained, and the disengaging frequency of the vortexes is reduced. By improving different positions of the axial flow fan, the axial flow fan is higher in efficiency, lower in noise and more environmentally friendly and saves more energy.

The invention discloses an air inlet sectioning device for an internal combustion engine in the field of four-stroke internal combustion engines. The device comprises at least one air inlet passage and at least two air inlet pipes; an air inlet aid control valve is arranged between the air inlet passage and the air inlet pipes; and when the opening and closing of the air inlet aid control valve are timed, the air inlet process of the air inlet passage is divided into at least two air inlet durations, and the air inlet passage is sequentially communicated with the corresponding air inlet pipes in the divided air inlet durations respectively. When the air inlet sectioning device is applied to the four-stroke internal combustion engine, gases with different components and/or gases with different pressures can be sectioned and sequentially pass through the air inlet passage in different air inlet durations to enter a cylinder so as to reduce the discharge of the internal combustion engine and/or improve the transient response performance of a turbocharged engine.

The invention relates to a dynamic prewhirl and axial push type hydrocyclone which is composed of a medium prewhirl part and a hydrocyclone separating part. The invention is characterized in that materials are fed along the axial direction, a turnstile is used for prewhirl, the axial dimension of the turnstile is short and is not easy to vibrate; and the turnstile also has the function of boosting pressure, the pressure drop of the hydrocyclone is very low; a ring-shaped material axial propelling and accelerating structure is arranged in the outer ring area of the end part of the turnstile so that the axial flow on the periphery of the hydrocyclone is increased, the heavy component on the border can faster reach a heavy liquid outlet, the treatment capacity is increased, the outflow of the unseparated inner medium is reduced, and the axial velocity gradient between layers is reduced, thus avoiding entrainment and blending. A short-circuit-proof baffle cap is arranged at the outlet of light liquid which flows backward so that the feed mixed medium is prevented from flowing to the outlet of light liquid, namely short circuit outflow while the separating efficiency is increased. The invention is applicable to the efficient separation of liquid-solid two-phase with solid particles or oil-water two-phase with solid particles.

The invention discloses an external-excitation multi-stage oscillation jet flow gas wave refrigerator. The external-excitation multi-stage oscillation jet flow gas wave refrigerator adopts a structure for halving a main jet flow passage by multiple times; excitation microstreams which switch time sequences through external modulation are used for exciting a main jet flow to successively generate multi-order mural switching oscillation; the main jet flow is sequentially distributed into multiple receiving tubes so as to achieve refrigeration. The external-excitation multi-stage oscillation jet flow gas wave refrigerator overcomes mechanism defects of an original single-tube or multi-tube static gas wave refrigerator, can greatly improve the refrigerating efficiency, also eliminates inherent defects that self-excited oscillation is large in jet energy loss, difficult in start-up and difficult to adjust oscillation frequency and the like, and has the advantages of small energy loss, easy start-up, adjustability of oscillation frequency, load matching and the like; the external-excitation multi-stage oscillation jet flow gas wave refrigerator can be applied to a scattered pressure energy utilization occasion and high-pressure and bad occasions, and has the effects of high pressure energy conversion efficiency, free maintenance, reliable operation and the like.

The invention discloses sliding sheet type overpressure recovery equipment and belongs to the technical field of overpressure recovery. According to the sliding sheet type overpressure recovery equipment, main curved sections of cylinder profile lines in left and right cavities are in an arched shape; flow inlets and outlets are streamline pore channels; a cylinder inner cavity profile line is formed by connecting an arched sealing section, a curve transition section with an arched main curve section; and two adjacent curves are in a second order continuous manner. When being bilaterally symmetric mold cavities, working cavities can be applied to treating the working condition of same stream flow on the two sides; when being the mold cavities without bilateral symmetry, the working cavities can be applied to treating the working condition of different stream flows on the two sides. The sliding sheet type overpressure recovery equipment has a simple structure, is little in mixing fluids and lower in requirement for processing installation accuracy and can be applied to treating the working conditions of same or different flows on the two sides. Through the sliding sheet type overpressure recovery equipment, the overpressure of high-pressure, pressurized and low-pressure fluids are recycled and reused and has important significance of lowering system energy consumption and production cost and promoting energy conservation and emission reduction.

The embodiment of the invention provides a game service system and an implementation method. The game service system includes a login server, a service logic layer comprising a plurality of service modules respectively connected with the login server, a client and a registration center layer, a registration center layer comprising a plurality of registration modules connected with the basic service layer, a basic service layer comprising a plurality of service modules connected with a data storage layer, a data storage layer comprising a plurality of storage modules, the data storage layer being connected with a storage medium layer, and a storage media layer including a storage medium. Since each layer includes multiple independent functional modules, forms a distributed connection so asto form a distributed system, and each layer is responsible for different business data processing. On the one hand, even if one module in each layer is down, the corresponding business processing canbe carried out by other modules in this layer, which will not affect the operation of the whole game service system. On the other hand, each module in each layer is independent of each other, which reduces the degree of integration between each layer and the difficulty of system development.

The invention discloses a glaze mixing and glazing surface dry integrated device for a cylindrical porcelain insulator. The glaze mixing and glazing surface dry integrated device comprises a glaze mixing mechanism and a glazing surface dry mechanism, wherein the glaze mixing mechanism comprises a machine frame, a flange seat and a stirring barrel, the flange seat is arranged on the machine frame,the stirring barrel can rotate on the flange seat, a main shaft is arranged on the barrel bottom of the stirring barrel, the rotating direction of the main shaft is opposite to that of the stirring barrel, cross bars are arranged on the main shaft at intervals, inner stirring plates are arranged on the cross bars at intervals, and outer stirring plates are arranged on the inner side wall of the stirring barrel at intervals; and the glazing surface dry mechanism comprises a glazing barrel, an input frame, an output frame, a tunnel type drying furnace and a lifting device, wherein the lifting device comprises a rolling wheel which can move left and right, a rope roller is arranged on the rolling wheel, a steel rope capable of lifting the supporting frame up and down is arranged on the roperoller, and a clamping head capable of opening and closing is fixedly arranged in the bracket According to the glaze mixing and glazing surface dry integrated device, the labor hour cost can be reduced, the surface quality of a glaze layer can be improved, the working environment is improved, the production efficiency is improved, and large-scale mass production is facilitated.

The invention provides an air film cooling structure with surface recesses. The cooling structure comprises a recess structure and an air film hole, and the air film hole is smoothly connected with the recess structure; airflow spreads to the recess structure through the air film hole to form an air film, and the air film spreads to the surface of a turbine blade; the recess structure comprises a first recess and a second recess, the second recess is arranged on the inner wall surface of the first recess, and the air film hole is formed in the inner wall of the second recess; an air film hole opening of the air film hole is provided with a rounding structure or a beveling structure; and/or the edge of the rear part of the first recess is provided with a rounding structure or a beveling structure. The invention further provides the turbine blade. Air film cooling structures arranged in an array manner are arranged on the wall face of the turbine blade. The recesses restrain reverse vortex pairs formed by air film flowing on the downstream wall surface; and the air film hole and the double-recess structure enable airflow flowing out of the air film hole to be tightly attached to the wall face. Compared with a conventional inclined hole, the air film cooling structure has the advantages that the air film cooling efficiency and the machining efficiency are higher, and the machining cost is lower.

The invention discloses a garbage treatment incineration furnace with laminar plasma as a heat source; an incineration system uses domestic unique high-power laminar plasma equipment, and adopts the most advanced laminar plasma incineration technology in the world at present; and the core temperature of laminar plasma gas can reach 20,000 DEG C. Laminar plasma generation electrode spraying holes are staggered; the incineration furnace adopts a horizontal structure; and a garbage inlet and a residue treatment outlet are both electrically controlled, so that full automation is realized. The system can be applied to a mobile platform locomotive or a ship; and all functions are modularly designed and configured. The treatment furnace can be totally closed, so that the interior of the furnace is located in a low oxygen state, and fewer poisonous substances are generated when garbage is decomposed. The garbage treatment system is high in automation degree, modular in design, convenient for use and maintenance, thorough in garbage incineration and low in pollution.

The invention discloses a papermaking equipment and a papermaking process thereof, comprising: a slurry suction device, a net blanket is provided at the outlet end of the slurry suction device, and turning rollers are arranged at both ends of the net blanket, and above the turning roller A drying cylinder is provided, and a transfer roller is arranged in the drying cylinder. A heat dissipation device is provided on the side of the drying cylinder away from the turning roller, and a forming roller is provided on the side of the heat dissipation device away from the drying cylinder. Pass through turning rollers, transfer rollers, heat dissipation devices, and forming rollers; the heat dissipation device includes a heat-absorbing fan, and the heat-absorbing fan is arranged at the lower part of the heat dissipation device. The present invention is equipped with a cooling device on the outlet side of the drying cylinder. The cooling device absorbs the heat through the heat-absorbing fan and discharges it into the pipeline at the lower end. The filter in the pipeline filters out impurities and then transports the heat to the slurry suction device It is absorbed by the sucked pulp, which increases the temperature of the pulp, reduces the time required for drying the pulp, makes full use of resources, saves energy, and protects the ecological environment.

The embodiment of the invention relates to an under-well double-vortex type rotational flow oil and water separator. The separator is an under-well rotational flow oil and water separation plant usinga high-speed rotational flow principle, and compared with a traditional hydrocyclone, the separator comprehensively uses double same-direction rotational flows for pre-separating oil and water and double opposite-direction rotational flows for conducting under-well refining oil-contained waste water treatment. In the pre-separation process of the oil and the water, two phases of the oil and the water move in the same axial direction in a rotational flow field, so that the two phases of the oil and the water are barely mixed compared with those conducting rotational flow motion in the oppositeaxial directions, a separation effect is better, and accuracy is higher; and in the oil-contained waste water treatment process, a long and thin cone is used for increasing the rotational flow intensity, so that the oil content of the separated water phase is lower. Compared with a traditional gravity sedimentation plant, the separator is better in treatment effect and smaller in occupied space and is a physical separation plant with application prospects.

The invention discloses a through type continuous folded plate structure suitable for a turbine blade tail edge part. The through type continuous folded plate structure comprises a U-shaped cooling channel and a blade tail edge cooling cavity which are arranged in a blade, wherein the U-shaped cooling channel is positioned at the front edge and the middle part of the blade, the blade tail edge cooling cavity is positioned at the tail edge of the blade, the U-shaped cooling channel and the blade tail edge cooling cavity are separated through a side wall face, an opening is formed in the bottom of the side wall face and serves as an outlet of the U-shaped cooling channel, a plurality of air holes are formed in the side wall face, a plurality of rows of through type continuous folded plates are arranged in the blade tail edge cooling cavity, and a tail edge crack is formed in the blade tail edge. The heat exchange can be effectively improved on the premise that the flow resistance is not large, and meanwhile the machinability is good. Due to the fact that the blocking and separating effects on cold air are obviously reduced through the folded plate type structure, the flow guiding performance is good, the turbulence degree of the cold air at an outlet of the blade tail edge cooling channel is low, the mixing loss of the cold air and mainstream fuel gas is reduced, and the aerodynamic efficiency of the blade is improved.

The invention discloses a steam supplementing chamber structure of a steam turbine cylinder, and belongs to the technical field of steam turbines. The steam supplementing chamber structure of the steam turbine cylinder comprises an annular main steam flow channel formed between the cylinder and a rotor; a mixing ring cavity is formed in the cylinder in the circumferential direction of the cylinder; the outer side of the mixing ring cavity communicates with a steam supplementing channel; the inner side of the mixing ring cavity communicates with the main steam flow channel through a flow guide ring cavity; the flow guide ring cavity inclines towards the main steam flow flowing direction of the main steam flow channel; a plurality of flow guide partition plates are arranged in the flow guide ring cavity in the circumferential direction of the flow guide ring cavity; and the flow guide ring cavity is divided into a plurality of sub-cavities by the plurality of flow guide partition plates. According to the invention, the mixing degree and the mixing loss of the supplemented steam and the main steam flow can be reduced, and the influence of the supplemented steam on the stability of the rotor can be reduced.

The invention discloses an offset hole row and cylindrical hole row combined cooling structure for a corrugated heat shield, and belongs to the technical field of cooling of aero-engine combustion chambers. The cooling structure comprises a corrugated heat shield plate, and offset gas film hole rows and cylindrical hole rows which are arranged on the corrugated heat shield plate, wherein the corrugated heat shield plate is of a cylinder structure, a fuel gas channel is formed in the corrugated heat shield plate, an annular channel composed of the cylindrical corrugated heat shield plate and acombustion chamber outer cylinder forms a cold air channel, each corrugation of the corrugated heat shield plate comprises a windward side and a leeward side, 2-3 rows of offset air film hole rows areuniformly distributed on the windward side along the axial direction of the cylindrical corrugated heat shield plate, 3-4 rows of cylindrical hole rows are uniformly distributed on the leeward side along the axial direction of the cylindrical corrugated heat shield plate, the structure is formed by arranging a plurality of offset air film hole rows on the mainstream leeward side of a corrugated plate and arranging a plurality of cylindrical air film hole rows on the windward side, and the structure can be used for a turbofan engine afterburner or a ramjet engine combustor.