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72results about How to "Increase swirl intensity" patented technology

Independent external-mounting maintenance-free multi-stage oil and gas separator assembly

The invention discloses an independent external-mounting maintenance-free multi-stage oil and gas separator assembly. The oil and gas separator assembly is characterized in that a first cyclone separation cavity consists of an oil and gas separator outer shell and an oil and gas separator body shell; a second dispersing separation cavity consists of the oil and gas separator body shell, an oil and gas separator cover and the outer walls of three refine separation conical pipes which are distributed on the circumference at 90 degrees; a third refine cyclone separation cavity consists of the three refine separation conical pipes which are distributed on the circumference at 90 degrees and a central pipe; a fourth reinforcement cyclone separation cavity consists of the three refine separation conical pipes which are distributed on the circumference at 90 degrees, a central pipe, and a cyclone blade; a fifth refine cyclone separation cavity consists of a small refine separation conical pipe arranged in the center of the circumference; a sixth compact and dispersing safety separation cavity consists of a safety valve cavity and a safety valve; an eighth separation cavity consists of a respirator compact plate and a safety damping net; a flow pressure adjusting valve consists of a flow pressure adjusting diaphragm in a respirator and a flow pressure adjusting spring; any installation mechanism consists of an installation support and variable air inlet and outlet pipe included angles; and an oil return cavity consists of a separation conical pipe bottom and an independent separator shell.
Owner:NANCHONG LINGYUN GAOJU MFG

Sewage processing method and sewage processing device

The invention provides a sewage processing method, solving the problems of unsatisfactory effect of the sewage processing and the existing dead end of the sewage processing in a prior technology. The method comprises the following steps: adding medications into the sewage; flowing the mixed liquor into a cyclone reactor tangentially to perform cyclone separate; performing magnetic separation process on the mixed liquor after being cyclone separated through a magnetic roller. Meanwhile, the invention also provides a sewage processing device adopting the method; the device consists of a sewage inlet pipe, a clear water outlet pipe, a medication-adding system, a cyclone reactor, a magnetic roller and a scraper. The medication-adding system is connected with the sewage inlet pipe; an outlet end nozzle of the sewage inlet pipe is connected tangentially into the cyclone reactor, the cyclone reactor is a revolving body, the magnetic roller and the scraper are positioned in the cyclone reactor, the magnetic roller and the cyclone reactor are arranged on a same axial-line, and the scraper is used to scrape ferromagnetism mud cluster which is absorbed magnetically on the magnetic roller. In the invention, sewage purification has a good effect, the yielding water is clear, sewage processing method and sewage processing device of the invention are applicable to processing the sewage and the sewage containing grease and mud.
Owner:郑州紫盈节能环保科技有限公司

Liquefied gas combustion chamber with outlet equipped with swirling vanes

The invention discloses a liquefied gas combustion chamber with an outlet equipped with swirling vanes. The liquefied gas combustion chamber adopts a single-tube cylindrical combustion chamber structure and mainly comprises a liquefied gas spray nozzle, a combustion chamber case, a flame tube and the swirling vanes, wherein the swirling vanes are welded to strip-shaped grooves of the flame tube, form certain angles with the axial direction and are uniformly distributed circumferentially; the flame tube and the case are connected by a bolt; liquefied gas enters the head of the combustion chamber from an oblique hole of the spray nozzle, and the combustion of the liquefied gas is completed by using an electrospark lighter; a combustion organization generates strong-swirl stable flame by adopting internal-external two-stage swirlers, and a cooling manner is an impact wall-divergence wall coupled vane gas film hole manner; the swirling direction of an external swirler is the same as that of the swirling vanes of the outlet of the combustion chamber, due to the coupling of swirling, the strength of swirling in the flame tube is strengthened, and the length of flame is shortened; high-temperature combustion gas generated from combustion generates relatively-strong swirling flow when the high-temperature combustion gas passes through the swirling vanes, the high-temperature combustion gas is exhausted from the outlet of the combustion chamber and forms expanding gas flow, and thus, the radial distribution of outlet combustion gas in space is enlarged.
Owner:BEIHANG UNIV

Cavity trapped vortex and rectifying support plate combined type integrated afterburner

The invention provides a cavity trapped vortex and rectifying support plate combined type integrated afterburner. The ignition stability can be improved effectively, and the swirling intensity of a backflow area and the fuel atomization effect are improved, so that the combustion efficiency and stability are improved. A rectifying support plate flame stabilizer is combined with cavity trapped vortex; on one hand, air flow of inner and outer ducts enters a cavity from different positions, and a trapped vortex area is formed; duty-level flame is generated, so that mixed gas of a main flow area is ignited; on the other hand, a stable main backflow area with a certain gas backflow amount and in an appropriate size is formed downstream; and ignited high-temperature air and air in the outer ductare promoted to mix, and play a role in rectification and stabilization of combustion. The integrated afterburner has the advantages that the structural design of a cavity duty stabilizer is added atthe rear edge of the rectifying support plate flame stabilizer on the original basis of the integrated afterburner, and the ignition ability under the rich oil and high altitude conditions can be improved effectively; and the high combustion stability and efficiency are ensured.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Intensive-classification low-NOx pulverized coal burner

An intensive-classification low-NOx pulverized coal burner comprises a primary air passage, a direct-flow inner secondary air passage and a cyclone inner secondary air passage; pulverized coal is separated by a coal flow equalizer and a pulverized coal separator disposed in the primary air passage into thick-inside thin-outside structure at a spout, blown into a hearth; the inner secondary air passage is provided with a direct-flow air inlet and a cyclone air inlet; secondary air is mixed in the inner secondary air passage and spayed into the hearth; volume of the direct-flow air is controlled through a pull rod, so that cyclone strength of the inner secondary air can be controlled. Each of primary and secondary air outlets is provided with a certainly angular spout expanded-cone structure, real-time mixing of the secondary air and the pulverized coal is effectively controlled, a spout water-cooling wall is in the oxidization atmosphere in a long period of time meanwhile, and slag buildup and high temperature corrosion can be effectively prevented for the water-cooling wall in a burner area. The intensive-classification low-NOx pulverized coal burner has the advantages that combustion stability is high, adjusting performance is good, the burner is well adaptable to various coals, and emission of nitric oxide is low.
Owner:XUZHOU KERONG ENVIRONMENTAL RESOURCES CO LTD

Multistage gas reverse swirl burner

The invention discloses a multistage gas reverse swirl burner. The multistage gas reverse swirl burner comprises a fuel spraying pipe and an air guide barrel set; the air guide barrel set comprises afirst-stage air guide barrel, a second-stage air guide barrel and a third-stage air guide barrel, the air outlet end of the first-stage air guide barrel is provided with a flame stabilizing disc to output first-stage swirl gas, the first-stage air guide barrel is sleeved with the second-stage air guide barrel, the second-stage air guide barrel is provided with multiple second blades to output second-stage swirl gas, the first-stage swirl gas and the second-stage swirl gas are opposite in swirl direction, the second-stage air guide barrel is sleeved with the third-stage air guide barrel, the third-stage air guide barrel is provided with a porous plate to output high-speed straight-through flow gas, the fuel spraying pipe set comprises a first-stage fuel spraying pipe, a second-stage fuel spraying pipe and a third-stage fuel spraying pipe, the first-stage fuel spraying pipe is located on the first-stage air guide barrel to spray fuel to the first-stage swirl gas, the second-stage fuel spraying pipe is located on the second-stage air guide barrel to spray fuel to the second-stage swirl gas, and the third-stage fuel spraying pipe is located on the third-stage air guide barrel. The airand gas mixing degree can be greatly improved, gas mixing is more uniform, combustion is more sufficient, and pollutant emission is lower.
Owner:HUAQIAO UNIVERSITY

Double-flap swirl-type dual-fuel nozzle used for chemical regenerative cycle

The invention aims to provide a double-flap swirl-type dual-fuel nozzle used for a chemical regenerative cycle. The double-flap swirl-type dual-fuel nozzle comprises an auxiliary oil-path channel wall, a main oil-path channel wall, a gas-path outer wall and an oil-path spout. An auxiliary oil-path channel is formed inside the auxiliary oil-path channel wall, and an auxiliary oil-path swirler is arranged at the end of the auxiliary oil-path channel wall and communicated with the oil-path spout. The main oil-path channel wall is arranged outside the auxiliary oil-path channel wall, and a main oil-path channel is formed between the main oil-path channel wall and the auxiliary oil-path channel wall and communicated with the oil-path spout. The gas-path outer wall is arranged outside the main oil-path channel wall, and a gas-path channel is formed between the gas-path outer wall and the main oil-path channel wall. Flap type swirl cavities are formed in the end, located on the oil-path spout, of the gas-path outer wall, and gas injection holes are formed in the end faces of the flap type swirl cavities and communicated with the gas-path channel. According to the double-flap swirl-type dual-fuel nozzle, the flow speed is decreased, the swirl speed is pre-increased, and mixing of gas fuel and air is enhanced. When liquid fuel is combusted independently, water vapor reinjection can also be conducted through a gas path, and NOx emission is reduced.
Owner:三亚哈尔滨工程大学南海创新发展基地

Swirling piece, swirling burner and manufacturing method of swirling burner

The invention discloses a swirling piece, a swirling burner and a manufacturing method of the swirling burner and relates to the field of swirling combustion equipment adopting the swirling piece. The swirling piece comprises a swirling piece body. An against-wind section is arranged at one end of the swirling piece body, and a wind outlet section is arranged at the other end of the swirling piece body. Fluid flows towards the wind outlet section from the against-wind section. The thickness of the against-wind section is gradually increased in the flowing direction of the fluid till being the same as that of the swirling piece body. The swirling burner comprises an inner pipeline, an outer pipeline, one swirling piece arranged on the inner wall of the inner pipeline, one swirling piece arranged on the outer wall of the inner pipeline and/or one swirling piece arranged on the inner wall of the outer pipeline, wherein, the inner pipeline is sleeved with the outer pipeline. According to the swirling piece, the swirling burner and the manufacturing method of the swirling burner, pressure loss after the high speed fluid passes through the swirling piece can be reduced by the swirling piece and the swirling burner at low cost, and the mounting procedure of the swirling piece can be greatly simplified through the manufacturing method of the swirling burner.
Owner:ANHUI CHENGMING HEAT ENERGY TECH

Flow guiding and flow whirling integrated blade grid type device and combustion chamber

The invention provides a flow guiding and flow whirling integrated blade grid type device and a combustion chamber. The blade grid type device comprises a front blade grid section, a flow whirling section and a rear blade grid section, wherein the flow whirling section is connected with the front blade grid section and is used for making air flow generate partial tangent flowing; the rear blade grid section is connected with the other end of the flow whirling section; the front blade grid section comprises at least one first circular platform-shaped flow guide plate; and the rear blade grid section comprises at least one second circular platform-shaped flow guide plate. The blade grid type device provided by the invention implements distribution of inlet flow of the combustion chamber by utilizing the flow guide plates of the front and rear blade grid sections and forms reasonable and uniform centrifugal force distribution of the combustion chamber by utilizing rotational flow generated by the flow whirling section so as to enhance oil and gas mixing and promote flame propagation. The combustion chamber which utilizes the blade grid type device is simplified in structure and is reduced in weight, so the thrust-weight ratio of an engine is increased.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

W flame boiler provided with turbulent burners and direct flow burners

The invention discloses a W flame boiler provided with turbulent burners and direct flow burners and relates to a pulverized coal boiler, and belongs to the technical field of boiler combustion. The Wflame boiler provided with the turbulent burners and the direct flow burners aims to solve the problem the flow field in the W flame boiler deflects. The W flame boiler provided with the turbulent burners and the direct flow burners comprises an upper hearth, a lower hearth, a front furnace arch, a rear furnace arch and a plurality of graded air spray ports, and further comprises the plurality ofturbulent burners and the plurality of direct flow burners; each turbulent burner comprises a primary air channel I, a secondary air channel I and blades; the secondary air channels are arranged outside the primary channels in a sleeving manner; the blades are arranged in the secondary air channels I; each direct flow burner comprises a primary air channel II and a secondary air channel II; the upper hearth is arranged above the lower hearth; the front furnace arch is provided with one row of the turbulent burners in the hearth width direction; the rear furnace arch is provided with one row of the direct flow burners in the hearth width direction; and a plurality of the graded air spray ports are formed in a front wall in the hearth width direction, and a plurality of the graded air sprayports are formed in a rear wall in the hearth width direction.
Owner:HARBIN INST OF TECH

Efficient double-inlet channel rotational flow atomization desulfurization nozzle

PendingCN111330432AIncrease initial kinetic energySymmetrical outflow pathGas treatmentDispersed particle separationFlue gasStraight tube
The invention discloses an efficient double-inlet channel rotational flow atomization desulfurization nozzle. A first inlet channel is communicated with a left side inlet of a rotational flow cavity,a second inlet channel is communicated with a right side inlet of the rotational flow cavity, the upper end of an outlet straight pipe section is communicated with a bottom outlet of the rotational flow cavity, and the lower end of the outlet straight pipe section is communicated with an outlet flaring section; the inner wall of a front side surface of the first inlet channel is tangent to the inner wall of a front side surface of the rotational flow cavity; the inner wall of a rear side surface of the second inlet channel is tangent to the inner wall of the rear side surface of the rotationalflow cavity; the axial line of the outlet straight pipe section, the axial line of the outlet flaring section and the axial line of the rotational flow cavity are located on the same straight line. The nozzle can effectively improve the phenomenon that the space flow of a single-inlet channel atomization desulfurization nozzle is not uniform, reduce the atomization particle size, improve the probability that flue gas reacts with liquid drops and improve the desulfurization efficiency of the flue gas.
Owner:HUANENG POWER INT INC +2

Sand discharge funnel

The invention provides a sand discharge funnel. The sand discharge funnel comprises a water inlet culvert, an edge wall, a funnel chamber, a flow adjusting suspension plate, an overflow weir and a side groove; the water inlet culvert is connected to the upper portion of the funnel chamber, and is tangential to the outer periphery of the funnel chamber; and a sand discharge bottom hole is formed inthe bottom of the funnel chamber, and is connected to a sand discharge gallery. The edge wall is connected to the upper portion of the funnel chamber to form a first arc section envelope structure. The overflow weir is connected to the upper portion of the funnel chamber to form a second arc section envelope structure. The flow adjusting suspension plate is provided with a center-near end and a center-far end; the center-far end is connected to the upper end of the overflow weir; and the center-near end is near the center of the funnel chamber and higher than the center-far end. The side groove is connected to one side of the overflow weir to form a third arc section envelope structure with the edge wall; and a drainage ditch port is formed in the side groove. Through structural improvement, the problems of bad sediment accumulation at the bottom of the funnel chamber and on the suspension plate and high sand discharge water consumption rate are solved, and the sand discharge efficiency of the sand discharge funnel is improved.
Owner:XINJIANG AGRI UNIV

Adjustable swirl blade assembly and flat flame burner comprising same

The invention relates to an adjustable swirl blade assembly and a flat flame burner comprising the same, and belongs to the technical field of combustion equipment. The adjustable swirl blade assembly comprises an adjustable swirl blade assembly body and a blade transmission device, and the body comprises a central rectification body, an outer cylinder, an inner cylinder and a plurality of rotatable blades which are coaxially arranged; the blade transmission device comprises a plurality of blade rotating shafts which are fixedly connected with the blades and are used for controlling the blades to rotate, transmission connecting rods which are fixedly connected with one ends of the blade rotating shafts in a one-to-one correspondence manner, a total connecting ring which is connected with the transmission connecting rods and surrounds the adjustable swirl blade assembly body, and an operating rod which is connected with the total connecting ring and is used for controlling the total connecting ring to move; and each transmission connecting rod is formed by rotationally connecting three rigid connecting rods, and two rotating pairs with non-coaxial lines and non-parallel rotating shafts are formed at the joint. The technical problem that in a traditional device, control over blades is not accurate is solved, a combustor can operate under the small-load working condition, the large air-fuel ratio working condition and the condition that the fuel heat value fluctuates violently, and stable flat flames are formed.
Owner:CHONGQING CISDI THERMAL & ENVIRONMENTAL ENG CO LTD +1

a sand funnel

The invention provides a sand discharge funnel, which includes a water inlet culvert, a side wall, a funnel chamber, a flow regulating suspension plate, an overflow weir and a side groove. Cut, the bottom of the funnel chamber is provided with a sand-discharging bottom hole, and the sand-discharging bottom hole is connected with a sand-discharging corridor. The side wall is connected to the upper part of the funnel chamber to form a surrounding structure of the first arc segment. The overflow weir is connected to the upper part of the funnel chamber to form the surrounding structure of the second arc segment. The flow-regulating suspension plate has a proximal end and a distal end, the distal end is connected to the upper end of the overflow weir, the proximal end is close to the center of the funnel chamber, and the proximal end is higher than the distal end. The side trough is connected to one side of the overflow weir and the side wall to form a third circular arc segment surrounding structure, and the side trough is provided with a diversion channel opening. By improving the structure, the invention solves the problems of serious sediment deposition on the bottom of the funnel chamber and the suspension plate and high sand discharge water consumption rate, and improves the sand discharge efficiency of the sand discharge funnel.
Owner:XINJIANG AGRI UNIV

Low-pressure rotational flow bubble type nozzle

The invention provides a low-pressure rotational flow bubble type nozzle. The low-pressure rotational flow bubble type nozzle comprises a flow distribution chamber, a tangential water inlet pipeline,an axial water inlet pipeline, a mixed flow pipe and a gas-liquid mixing cavity; an outlet of the flow distribution chamber is communicated with each the tangential water inlet pipeline and the axialwater inlet pipeline, the outlet of the axial water inlet pipeline is communicated with the mixed flow pipe, and a rotational flow device is arranged in the axial water inlet pipeline and used for generating rotational flow to enter the mixed flow pipe; the outlet of the tangential water inlet pipeline is in tangent connection with the mixed flow pipe and is used for generating tangential flow; the mixed flow pipe is used for converging the rotational flow and the tangential flow; the gas-liquid mixing cavity is communicated with the mixed flow pipe, and the outlet of the gas-liquid mixing cavity is connected with the nozzle. The low-pressure rotational flow bubble type nozzle provided by the invention can generate rotary bubble type water drops, not only increases the cleaning area and enhances the cleaning effect, but also has the massage and striking effect, the blood circulation of the human body is promoted, and the human body has more comfortable skin feeling.
Owner:JIANGSU UNIV
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