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44results about How to "Increase impact area" patented technology
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Rotary jet flow sprayer structure for washing gun
PendingCN110038740AReduce impact areaIdeal wound washing effectCannulasEnemata/irrigatorsSpray nozzleWater jet
The invention discloses a rotary water jet flow nozzle structure for a washing gun. A head body combination port, a liquid medicine spraying pipe, a spiral generator, a liquid medicine recycling pipe,a first protection cover and a second protection cover are included. The liquid medicine spraying pipe is sleeved with the liquid medicine recycling pipe, the liquid medicine spraying pipe and the liquid medicine recycling pipe are connected in a washing gun cavity, and the head end of the liquid medicine recycling pipe is connected with the position of the head body combination port. The spiralgenerator is fixedly connected to the outlet position in the liquid medicine spraying pipe through a support. The outlet position of the liquid medicine spraying pipe is provided with a conical cavitystructure and a transition area. The first protection cover is connected with the liquid medicine spraying pipe. The second protection cover is connected with the liquid medicine recycling pipe. Thespiral generator is adopted so that longitudinal impact flowing can be converted into three-dimensional flowing with a certain tangential speed, the jetted fluid has the longitudinal speed and also has radial and tangential component speed, rotary jet flow is formed, the jet flow entrainment and mixing are enhanced through washing liquid, the impact area is enlarged, the impact pressure intensityis reduced, and a more ideal wound surface washing effect is achieved.
Owner:吴丹凯
Buoy with improved structure
ActiveCN109484578ALower center of gravityImprove wind and wave resistanceWaterborne vesselsBuoysEngineeringBuoy
The invention provides a buoy with improved structure and belongs to the technical field of buoys. The buoy comprises a float of which the bottom is connected with a weight through a steel cable; a rolling bearing is rotationally arranged in a first through hole formed in the float, a flexible telescopic cylinder is fixedly arranged at the lower end of the rolling bearing and is provided with a second through hole inside, and the free end of the flexible telescopic cylinder upwards penetrates the second through hole to extend to the upper end of the rolling bearing, and is provided with a regulating plate rotationally; a beacon light is arranged on the upper side of the regulating plate, and a control device capable of controlling the regulating plate to move up and down is arranged on thelower side of the regulating plate; the part, disposed in the second through hole, of the flexible telescopic cylinder refers to an inner barrel, and the part, disposed outside the second through hole, of the flexible telescopic cylinder refers to an outer barrel, and an inner cavity is formed between the outer barrel and the inner barrel; an electric water pump is arranged on the upper side of the float, and communicated with the inner cavity through a pipe. According to the buoy, the gravity height of the buoy can be regulate automatically so that the stability thereof can be improved, andbesides, the buoy can realize power generation by ocean current, which is quite environmentally friendly.
Owner:ZHEJIANG OCEAN UNIV
Combined type deep purification device for desulfurized wet flue gas
ActiveCN106310911AEasy to filter and purifyEffective annihilationCombination devicesGas treatmentFlue gasEngineering
The invention provides a combined type deep purification device for desulfurized wet flue gas. The device comprises a venturi negative absorption demisting layer, an efficient demisting layer, a condensation demisting layer and a hyperfine demisting layer from bottom to top, wherein a cross beam I is arranged between the vacuum negative absorption demisting layer and the efficient demisting layer; hanging plates I are arranged at left and right ends of the cross beam I; support square steel I is arranged at the lower ends of the hanging plates I; a collecting tank is arranged in the middle of the support square steel I; the vacuum negative absorption demisting layer is provided with venturi blades; the efficient demisting layer is provided with efficient demisting layer blades; a cross beam II is arranged between the condensation demisting layer and the hyperfine demisting layer; the condensation demisting layer is provided with condensation demisting layer blades; the hyperfine demisting layer is provided with hyperfine demisting layer blades; and support plates are arranged at left and right ends of the cross beam II. The combined type deep purification device for desulfurized wet flue gas provided by the invention is favorable in purification effect and reliable in operation.
Owner:SHANDONG GUOSHUN CONSTR GRP
Safe and efficient dedusting, cooling and fire extinguishing multifunctional system
InactiveCN106390345AReduce labor intensityReduce wasteDomestic cooling apparatusLighting and heating apparatusAutomatic controlControl system
The invention discloses a safe and efficient dedusting, cooling and fire extinguishing multifunctional system, and belongs to the technical field of spraying dedusting, cooling and fire extinguishing. According to the system, through combination of a dust concentration sensor, a temperature sensor and an infrared sensor, three functions of dedusting, cooling and fire extinguishing are achieved. A PLC automatic control system is arranged in an automatic equipment controller of the safe and efficient dedusting, cooling and fire extinguishing multifunctional system, the dedusting, cooling and fire extinguishing full-automatic process is achieved, safety of a worker is ensured, and waste of water is effectively reduced. A magnetic device is adopted, generated magnetic water can improve the surface tension of water and prolong the existing time of spray droplets in the airflow, and through magnetic water spraying, the dust surface hydrophilic property can be improved, and the contact and coagulation condition of water mist and dust can be improved; and a circular cooling device is adopted, in the spraying dedusting and fire extinguishing process, the temperature of the surrounding is reduced, and the fire extinguishing efficiency is further improved.
Owner:ANHUI UNIV OF SCI & TECH
Plate heat exchanger
ActiveCN111023876AImprove heat transfer efficiencySpeed up dischargeHeat exchanger casingsHeat transfer modificationPlate heat exchangerWater wheel
The invention belongs to the technical field of heat exchange equipment, and particularly discloses a plate heat exchanger which comprises a heat exchange plate and a cover plate. One side of the heatexchange plate is provided with the cover plate. The positions, corresponding to a hot medium inlet, a hot medium outlet, a cold medium inlet and a cold medium outlet, of the four corners of the cover plate are provided with water holes. A three-way valve is rotationally connected into the water hole corresponding to the hot medium inlet. The upper side of the three-way valve communicates with afirst branch. The lower side of the three-way valve communicates with a second branch. The first branch communicates with the second branch. The second branch communicates with the hot medium inlet. Arotating cavity is formed in the middle of the first branch and internally rotationally connected with a water wheel. A group of blades are arranged on the periphery of the water wheel. An arc-shapedeccentric hole is formed in the water wheel. When the water wheel rotates, the heat exchange plate vibrates and accelerates the exhausting, and the heat exchange efficiency of the heat exchange plateis increased.
Owner:TONGLING TONGFEI TECH
Soybean raw material soaking device for processing bean curds
InactiveCN107494755AShorten the soaking timeIncrease impact areaCheese manufactureStationary filtering element filtersBiotechnologyMechanical engineering
The invention discloses a soybean raw material soaking device for processing bean curds. The soybean raw material soaking device comprises a shell, a height adjusting device, a motor, a rotating column, a first stirring paddle, a U-shaped rod, a columnar net cylinder and a rotating baffling device. An additive is injected into the columnar net cylinder through a communication pipe, impurities in the additive are remained in the columnar net cylinder, and the additive firstly enters an annular hollow plate and then flows out through four dropwise adding holes, so that the additive can relatively uniformly enter the columnar net cylinder; and a soybean raw material and water are impacted by virtue of a D-shaped baffling device in a rotation state, so that the efficiency that moisture enters the soybean raw material is improved; and stirring plates are driven to rotate by the U-shaped rod in a rotation state, and the rigidities of different spiral springs are different due to the centrifugal force, so that the stretching lengths of the stirring plates are different, the impact regions of the stirring plates with the soybean raw material are increased, the combining effect between the soybean raw material and water is further improved, and the soaking time of the soybean raw material is shortened.
Owner:龙里县兴溢诚豆制品有限公司
Tail water power generation system of hydroelectric power plant
InactiveCN105526039AIncrease the areaIncrease impact areaEngine fuctionsHydro energy generationGear wheelWater turbine
The invention discloses a tail water power generation system of a hydroelectric power plant. The power generation system comprises a water turbine, a speed increasing device and a generator; the water turbine is horizontally positioned above a river bed; two ends of a turbine shaft of the water turbine are rotationally connected with bases on two sides of the river bed; a driving gear is arranged on one end of the turbine shaft; a driven gear of the speed increasing device is in engaged transmission with the driving gear; a one-way clutch includes a center bearing, and an inner ring body and an outer ring body at the outer periphery; the outer ring body and the driven gear are both fixed on a transmission shaft, and coaxially rotate; the inner ring body is connected with the transmission shaft through a center bearing; an inertia force disc is rotationally connected with the transmission shaft; the inner ring body is connected with the inertia force disc through multiple pin pieces; and a transmission wheel of the generator is in transmission connection with the inertia force disc. The power generation system effectively adjusts the condition of unbalanced power generation of the generator caused by flowing speed fluctuation of water currents.
Owner:刘长春
Dyeing device with functions of multiple water filtration and automatic washing
InactiveCN108842331AAvoid cloggingAvoid easy cloggingTextile treatment machine arrangementsTextile treatment by spraying/projectingMotor driveFixed frame
The invention discloses a dyeing device with the functions of multiple water filtration and automatic washing. The dyeing device comprises a device body, the bottom on the left side of the device bodyis fixedly connected with a water pump, the top of the device body is fixedly connected with a fixing frame, a first motor is fixedly connected in the fixing rack, and the bottom of an output shaft of the first motor penetrates through the device body and stretches into the device body and is fixedly connected with a connection frame. According to the dyeing device, water is conveyed to a conveying pipe through the water pump, then the water is sprayed to a washing cylinder through the conveying pipe, at the same time, the first motor drives the washing cylinder to rotate for washing, and a first filtering screen and a second filtering screen are driven by a transmission mechanism to conduct up-down floating filtration, so that the first filtering screen and the second filtering screen are prevented from being blocked. The problem that a filtering screen of an existing multiple filtration washing dyeing device is easy to block is solved, the dyeing device with the functions of multiple water filtration and automatic washing has the advantage of being not prone to blocking, and the filtration efficiency is improved.
Owner:HUBEI YAOCHU MEDICAL INSTR TECH CO LTD
An all-round disinfection equipment for internal medicine nursing instruments
Owner:济宁市公共卫生医疗中心(济宁市第四人民医院)
Self-propelled intermittent pulse high-pressure spray head for radial horizontal well
InactiveCN105888660AIncrease water powerImprove the efficiency of drilling and breaking rockSlitting machinesCutting machinesWear resistantSpray nozzle
The invention discloses a self-propelled intermittent pulse high-pressure spray head for a radial horizontal well. The spray head is provided with a shell which is connected with a concave-type drainage plate through a thread, a spherical groove is formed in the inner wall of the shell, and the two ends of a horizontal shaft are provided with wear-resistant steel balls which are clamped in the spherical groove formed in the inner wall of the shell respectively; an overturning plate is arranged to be hollowed, and the horizontal shaft penetrates through the center. The concave-type drainage plate has a drainage effect and drives the overturning plate to conduct periodic rotation, and the drilling and rock breaking efficiency is improved; high-pressure drilling fluid forms an eddy current under the stirring action of the overturning plate, and the rock breaking speed is increased; along with rotation of the overturning plate, the drilling fluid below the drainage baffle produces an excited oscillation effect, and the energy of the fluid at the outlet of spray nozzles is increased; the groove is formed in the upper portion of the concave-type drainage plate, and the self-propelling capacity of the spray head is improved; the overturning plate adopts a mode that the mass is distributed nonuniformly, when the overturning plate rotates, the spray head is driven to jump continuously, and therefore the friction force between the spray head and a stratum is reduced, and the self-propelling capacity of the spray head is improved.
Owner:SOUTHWEST PETROLEUM UNIV
Converter low-alkalinity residue high-efficiency dephosphorization method
InactiveCN103571998ASpeed up meltingSlow reaction speedManufacturing convertersLime productionFurnace temperatureAlkalinity
The invention discloses a converter low-alkalinity residue high-efficiency dephosphorization method. A residue remaining method is adopted, so that the FeO content in the residue is improved; a low-lance position operation is adopted in an early blowing stage, so that the temperature of a molten bath is improved, melting of lime is accelerated, primary residues are rapidly formed, and phosphorus is rapidly removed by utilizing high FeO content and low furnace temperature in the early stage. When the Si and Mn oxidizing period is basically ended and a C-O2 reaction begins, the oxygen supply strength is reduced, and soft blow is properly caused, so that the number of reflection streams is increased, the impact area is enlarged, the C-O2 reaction speed is reduced, the FeO content in the residue is increased, the generation of C2s on the lime surface is reduced, and a terminal dephosphorization rate is guaranteed under the conditions that the slag alkalinity and lime addition amount are low by adopting low alkalinity R of less than 2.0. According to a method for adjusting the lance position and controlling the oxygen supply strength, the smelting temperature is controlled, a phosphorus distribution ratio is increased, and the dephosphorization efficiency is improved; the method has the advantages of simple process, simplicity in operation and good dephosphorization effect and can be widely applied to serving as a dephosphorization method in a steel plant.
Owner:XI LIN IRON & STEEL GRP
Alpinia zerumbet cleaning device
InactiveCN112657923AIncrease the impact areaImprove cleaning effectCleaning using liquidsWater storage tankAgriculture
The invention relates to the technical field of agricultural equipment, and discloses an alpinia zerumbet cleaning device which comprises a shell and a supporting rod. An eccentric flushing mechanism is arranged in the shell and is connected with the supporting rod through a winding mechanism; a sand flushing mechanism is further arranged in the shell; the eccentric flushing mechanism comprises a rotary disc, a water storage tank, a stirring plate and a water pump; water in the shell is sucked into the water storage tank through the water pump; part of the water flows out from a first water outlet, the water is sprayed out from the first water outlet, the water sprayed out from the first water outlet impacts the water in the shell, and the impact force of the water flow pushes a shifting plate to drive the rotary disc to rotate; part of the water is sprayed out from a second water outlet to impact the alpinia zerumbet on the left side, and the rotary disc rotates to enable the water sprayed out from the second water outlet to increase the impact area, so that a cleaning effect is improved; and meanwhile, the rotary disc rotates to drive the water pump to rotate along with the rotary disc, so that the situation that the water pump is placed at the bottom of the shell, and excessive silt blocks the water pump is avoided, the water absorption effect of the shifting plate is guaranteed, the flushing stability is improved, and the service life of the water pump is prolonged.
Owner:吴林建
Anti-impact protection device for vehicle transfer case
InactiveCN111649116AIncrease impact areaImprove force distributionGearboxesGear lubrication/coolingTransfer caseAutomotive engineering
The invention belongs to the field of vehicle protection, and particularly relates to an anti-impact protection device for a vehicle transfer case. The anti-impact protection device comprises a double-V-shaped bottom plate, a front baffle and a rear baffle, the double-V-shaped bottom plate is of an axial symmetry structure, one side of the double-V-shaped bottom plate sequentially comprises a first inclined plate, a second inclined plate, a vertical plate and a protruding edge from bottom to top, the two first inclined plates located on the lowermost side are connected to form a V shape, one sides of the second inclined plates are connected with the first inclined plates, the other sides of the second inclined plates are connected with the vertical plates, the protruding edges are arrangedon the other sides of the vertical plates, bolt holes are formed in the protruding edges, the front baffle and the rear baffle are arranged at the two ends of the double-V-shaped bottom plate correspondingly, and through holes are formed in the front baffle and the rear baffle correspondingly. The protection device can effectively resist collision, explosion and other impacts, protect a transfercase driving power system and enhance the heat dissipation capacity of the transfer case, and meanwhile, the protection device can be conveniently installed on a vehicle as an independent protection module and is convenient to maintain and replace.
Owner:NANJING UNIV OF SCI & TECH
Methane rotational flow premixing nozzle device
InactiveCN106545887AImprove mixing uniformitySimple structureContinuous combustion chamberEngineeringRotational flow
The invention relates to a methane rotational flow premixing nozzle device. The methane rotational flow premixing nozzle device comprises a mixing pipe, a methane pipe, a gas distribution part and a connecting attachment. The mixing pipe is located under a nozzle. 2n air holes are formed in the upper portion of the mixing pipe. The top of the mixing pipe is welded to the bottom of the methane pipe. The gas distribution part is provided with N methane holes and mounted between the mixing pipe and the methane pipe. The connecting attachment is located in the uppermost position and welded to the top of the methane pipe. Compared with the prior art, the rotational flow effect can be achieved, the contact range of air and methane flow is increased, and thus the purpose of fully mixing and evenly distributing the methane and air is achieved.
Owner:SHANGHAI JIAO TONG UNIV
Novel bridge guardrail
InactiveCN108797344AEasy to operateReduce damage rateBridge structural detailsVertical barTraffic accident
The invention discloses a novel bridge guardrail. The novel bridge guardrail comprises a horizontal plate, a dovetail groove, a dovetail block, a first vertical plate, a first sleeve, a balance weightblock, a second vertical plate, a vertical bar, a supporting bar, a first pulley, horizontal bars, baffle blocks, second sleeves, a rubber block, a steel wire rope, first inclined plates, second inclined plates and a second pulley. The first inclined plates are symmetrically and fixedly connected to two side walls of the first vertical plate, the second inclined plates are symmetrically and fixedly connected to two side walls of the second vertical plate, the steel wire rope is made of alloy steel, and the second vertical plate is connected with the vertical bar in a welded mode. The novel bridge guardrail is simple in installation, is convenient for operation by workers and effectively reduces traffic accidents, the dovetail block, the first vertical plate, the rubber block and the second vertical plate are arranged to effectively play a damping effect, when traffic accidents occur, the damage rate of traffic accidents is reduced, the first inclined plates and the second inclined plates are arranged, and when a vehicle hits the novel bridge guardrail, the impact area is increased and the damage to the vehicle is reduced.
Owner:WUHAN UNIV OF TECH
Flour processing method
ActiveCN112221602AIncrease productivityImprove wettabilityGrain huskingGrain polishingBiotechnologyEngineering
The invention relates to the technical field of food processing, in particular to a flour processing method. A wheat wetting device used in the method comprises a material pool, a material barrel, a spiral pipe and a controller. The lower portion of the material barrel communicates with the material pool, and the height of the material barrel is three times that of the material pool. The section area of the material pool is two times that of the material barrel. A pump shell is arranged in the material barrel and located in the center of the material barrel. The pump shell is cylindrical, andthe side wall of the pump shell communicates with the spiral pipe. The spiral diameter of the spiral pipe is increased along with the increasing of the distance between the spiral pipe and the pump shell. According to the wheat wetting device used in the flour processing method, water and wheat grains are driven by an impeller to move, then the wheat grains are impacted on the inner wall of the material barrel through the spiral pipe to be matched, wheat bran is impacted to generate cracks, and therefore the endosperm wetting effect is improved, the endosperm and wheat bran separation effect and the flour yield are improved, and the flour production efficiency is improved.
Owner:恒升(新乡)食品有限公司
thrombectomy device
ActiveCN110652339BImprove removal efficiencyWeakening rangeExcision instrumentsFluid jet surgical cuttersThrombusBiomedical engineering
The invention provides a thrombus removing device, and belongs to the technical field of medical care apparatuses. The thrombus removing device comprises a recovering pipe and a medicine transportingpipe, wherein at least two thrombus recovering openings are formed in the side wall of the recovering pipe in the front-and-rear direction; one or more dual-circulation forming holes are formed in themiddle of each thrombus recovering opening, and each dual-circulation forming hole is provided with a first outlet in the direction facing the inner wall of a blood vessel and deviates the front part; each dual-circulation forming hole is also provided with a second outlet in the direction facing the inner wall of a blood vessel and deviates the rear part; the medicine transporting pipe is arranged in the recovering pipe, and is provided with one or more efflux holes; and each efflux hole faces the inlet of the corresponding dual-circulation forming hole. According to the thrombus removing device provided by the invention, after being jetted from the efflux holes to the dual-circulation forming holes, the liquid medicine is divided into two liquid medicine flows of which the directions are different; the two liquid medicine flows can remove thrombus on the blood vessel pipe in the front direction and in the rear direction, the impact area of the liquid medicine is enlarged, the advancing and withdrawing range of the recovering pipe in the blood vessel is reduced, and the thrombus removing efficiency is greatly improved.
Owner:昆山金泰医疗科技有限公司
Sludge crushing and drying device
ActiveCN112794615AGuaranteed joint effectImprove articulationSludge treatment by de-watering/drying/thickeningGrain treatmentsSludgeEngineering
The invention discloses a sludge crushing and drying device which comprises a machine base; a drying rotary drum is transversely arranged on the machine base, an inner rotating shaft is arranged in the drying rotary drum, a stirring pushing rod assembly is arranged on the inner rotating shaft in the radial direction, and the stirring pushing rod assembly comprises a pushing section and a fine crushing section in the extending direction of the inner rotating shaft; and a material inlet is formed in one end, close to the pushing section, of the drying rotary drum, a hot smoke inlet is formed above the material inlet, and a fine crushing rotary wheel is arranged at the tail end of the stirring pushing rod in the fine crushing section. The stirring pushing rod arranged in the length direction of the drying rotary drum is divided into the pushing section and the fine crushing section, refining and labor division are achieved, the fine crushing rotary wheel at the tail end of the fine crushing section is used for fully crushing sludge in a cementing stage, the treatment effect of a sludge crushing and drying device is effectively improved, the drying efficiency is improved, and the service life of equipment is prolonged.
Owner:ZHEJIANG SANLIAN ENVIRONMENT MACHINERY EQUIP
Car bumper
PendingCN107972616AImprove crash performanceReduce maintenance costsBumpersEngineeringElectrical and Electronics engineering
Owner:长兴智博新材料科技有限公司
Vanadium extraction converter and top-bottom combined blowing method
The invention relates to a vanadium extraction converter and a top-bottom combined blowing method, and belongs to the technical field of vanadium extraction converter equipment. The problems that in the prior art, vanadium extraction converter protective bricks are prone to being corroded due to acid slag generated in a converter, the service life is shortened at high temperature, and large-flow bottom blowing cannot be realized are solved. A vanadium extraction converter bottom blowing element involved in the vanadium extraction converter comprises a bottom blowing protective brick and a three-layer coaxial sleeve pipe, the three-layer coaxial sleeve pipe comprises an inner pipe, a middle pipe and an outer pipe, inert gas is introduced into the inner pipe, crackable gas is introduced intothe middle pipe, and inert gas is introduced into the outer pipe. A top blowing oxygen lance is provided with n main holes which are uniformly distributed and is provided with m auxiliary holes, theauxiliary holes are positioned on the surface where the main holes are positioned and are uniformly distributed between the adjacent main holes, n=3-6, and m=n or 2n. Large-flow bottom blowing of thevanadium extraction converter in the vanadium-containing iron ore smelting process is achieved.
Owner:CENT IRON & STEEL RES INST
Turbo-type smashing machine
PendingCN110479451AEnhance suction strengthAvoid air lossGrain treatmentsAgricultural engineeringEngineering
The invention discloses a turbo-type smashing machine which comprises a rack. A shell is fixed on the top of the rack, the shell is internally provided with a wind wheel assembly, the center of the wind wheel assembly is provided with a key hole, the key hole is fixedly connected to one end of an upper rotating shaft, the middle part of the upper rotating shaft is rotatably arranged in an upper bearing seat, the upper bearing seat is fixed on the side face of the shell, the other end of the upper rotating shaft is fixedly sleeved with an upper belt pulley, a lower belt pulley is arranged underthe upper belt pulley, the lower belt pulley is fixedly arranged at one end of a lower rotating shaft in a sleeving manner, the middle part of the lower rotating shaft is rotatably arranged in a lower bearing seat, and the lower bearing seat is fixed on the rack. The turbo-type smashing machine is provided with fan blades, an air generating hammer, a hammer, a first sawtooth portion and a secondsawtooth portion, the design of the 56-degree fan blade angle and the 20 mm air generating hammer width enables the component of the turbo-type smashing machine to be improved, the material impact area is increased, and the overall crushing efficiency is greatly improved.
Owner:乐山瓒鑫机械有限公司
A treatment device for exhaust gas purification
ActiveCN106268145BAvoid enteringAvoid problems such as poor purification effectCombination devicesSolidificationParticulatesExhaust fumes
The invention discloses a treatment device for exhaust gas purification, which comprises a separation body and a purification body. Both ends of the purification body are provided with an inlet and an outlet. The inside of the purification body is sequentially provided with a flow equalizing net, a low-temperature plasma electric field and an ultraviolet lamp along the direction from the inlet to the outlet. Pipe, the upper part of the side of the separation body is provided with an air inlet joint and an air outlet hole, the air outlet hole is connected to the purification body, and a separation guide part is provided inside the separation body between the air intake joint and the air outlet hole, and the separation guide part is from the left The deflector, the right deflector and the partition are arranged in a Y-shaped structure, and the surface of the left deflector and the right deflector are equipped with cooling fins, and the partition deflector divides the inside of the separation body into a U-shaped flow road. The invention can effectively remove particulate matter in exhaust gas, and can destroy and purify exhaust gas molecules, and has good effect, small volume and wide application range.
Owner:SUZHOU HAISILE WASTE GAS TREATMENT EQUIP
Flexible tensioning anti-collision guardrail
PendingCN114667378AHigh tensile strengthIncrease impact areaRoadway safety arrangementsRolloverTransport engineering
A roadside crash barrier is configured to deflect a vehicle deviating from a front road toward a road. The guardrail comprises at least one tensioned flexible belt, and the flexible belt comprises a plane facing the road in use. Compared with a system in the prior art, the possibility that the motorcycle hands are injured is reduced, and meanwhile installation is fast and convenient. Also described herein is a collapsible end anchor for maintaining the tension of the belt, where the end anchor is configured to reduce vehicle rollover if the end of the occurrence of an impact while still maintaining the effectiveness of the maintained road guardrail.
Owner:大卫·马歇尔·哈德逊
A protective device for concrete gravity dam heels against underwater contact explosion
The invention discloses a protection device for the underwater anti contact explosion of a concrete gravity dam heel. The protection device comprises a front panel arranged in sequence from the front to the back, a wave panel, a middle panel, a support partition board and a back panel; the peripheries of the front panel, the middle panel and the back panel are sealed and fixedly connected through a side panel, the wave panel and the front panel and the middle panel are not fixedly connected, the support partition board is used for partitioning the middle panel and the back panel, the support partition board is formed by multiple vertical plates connected together with multiple horizontal plates, and the vertical plates and the horizontal plates partitions the place between the middle panel and the back panel into multiple small cavities which can store sealed air. The deformation and breakage of the front panel and the wave panel are utilized by the protection device to absorb part of the energy from the explosion, then the wave resistance and mismatch resistance principle of the air and the surrounding water medium is utilized, the explosion shock waves are further reflected and attenuated, thus the anti-explosion protection of the gravity dam is increased; the protection device has the advantages of being good in anti-explosion ability, high in residual intensity, simple in structure, and rapid and destruction-free in protection deploying.
Owner:WUHAN UNIV
A self-propelled intermittent pulse high-pressure nozzle for radial and horizontal wells
InactiveCN105888660BIncrease water powerImprove the efficiency of drilling and breaking rockSlitting machinesCutting machinesWear resistantSpray nozzle
The invention discloses a self-propelled intermittent pulse high-pressure spray head for a radial horizontal well. The spray head is provided with a shell which is connected with a concave-type drainage plate through a thread, a spherical groove is formed in the inner wall of the shell, and the two ends of a horizontal shaft are provided with wear-resistant steel balls which are clamped in the spherical groove formed in the inner wall of the shell respectively; an overturning plate is arranged to be hollowed, and the horizontal shaft penetrates through the center. The concave-type drainage plate has a drainage effect and drives the overturning plate to conduct periodic rotation, and the drilling and rock breaking efficiency is improved; high-pressure drilling fluid forms an eddy current under the stirring action of the overturning plate, and the rock breaking speed is increased; along with rotation of the overturning plate, the drilling fluid below the drainage baffle produces an excited oscillation effect, and the energy of the fluid at the outlet of spray nozzles is increased; the groove is formed in the upper portion of the concave-type drainage plate, and the self-propelling capacity of the spray head is improved; the overturning plate adopts a mode that the mass is distributed nonuniformly, when the overturning plate rotates, the spray head is driven to jump continuously, and therefore the friction force between the spray head and a stratum is reduced, and the self-propelling capacity of the spray head is improved.
Owner:SOUTHWEST PETROLEUM UNIV
A group pile type bridge anti-ship collision device
ActiveCN114000451BIncrease impact areaImproved crash protectionWaterborne vesselsSpecial purpose vesselsMarine engineeringStructural engineering
The application relates to a group pile type bridge anti-ship collision device, which belongs to the field of bridge anti-ship collision devices. It includes structural piles and floating islands. The structural piles are arranged around the outer periphery of the bridge. The floating island is composed of multiple sections of floating boxes connected by connectors. The floating boxes are installed on the structural piles. There is a gap between the floating island and the bridge. There is a sealed air chamber to make the floating box float in the water. There are rollers on the structural piles. The rollers protrude from the surface of the floating box. The surface of the rollers is coated with lubricating glue. . In the present application, by arranging floating islands, structural piles and rollers, and by applying lubricating glue on the rollers, when the ship hits the floating island, it can be guided to slide toward the side wall of the floating island by contacting the rollers, so that the ship is not easy to stop instantaneously. If the impact force is too large, it also increases the impacted area of the floating island, so as to better dissipate the energy of the ship and play a good anti-collision protection effect on the bridge.
Owner:广东正方圆工程咨询有限公司
A top-blown oxygen lance, a vanadium-extracting top-bottom double-blowing method, and a vanadium-extracting smelting method
ActiveCN112501380BIncrease impact areaImprove oxidation efficiencyManufacturing convertersSlagMagnetite
The invention relates to a top-blown oxygen lance, a top-bottom double blowing method for extracting vanadium and a smelting method for extracting vanadium, belonging to the technical field of vanadium-titanium magnetite smelting, and solving the problem of low vanadium oxidation rate and vanadium in the vanadium extracting converter in the prior art. Poor slag fluidity and high metallic iron content in slag. The top-blown oxygen lance involved in the present invention has n main holes, which are evenly distributed, and m auxiliary holes, which are located on the surface where the main holes are located, and are evenly distributed between adjacent main holes, n=3‑6, m= n or 2n. The high oxidation rate of vanadium in the vanadium extraction converter and the effective control of the metal content in the slag are realized.
Owner:CENT IRON & STEEL RES INST +1
Thrombus removing device
ActiveCN110652339AImprove removal efficiencyWeakening rangeExcision instrumentsFluid jet surgical cuttersThrombusBiomedical engineering
The invention provides a thrombus removing device, and belongs to the technical field of medical care apparatuses. The thrombus removing device comprises a recovering pipe and a medicine transportingpipe, wherein at least two thrombus recovering openings are formed in the side wall of the recovering pipe in the front-and-rear direction; one or more dual-circulation forming holes are formed in themiddle of each thrombus recovering opening, and each dual-circulation forming hole is provided with a first outlet in the direction facing the inner wall of a blood vessel and deviates the front part; each dual-circulation forming hole is also provided with a second outlet in the direction facing the inner wall of a blood vessel and deviates the rear part; the medicine transporting pipe is arranged in the recovering pipe, and is provided with one or more efflux holes; and each efflux hole faces the inlet of the corresponding dual-circulation forming hole. According to the thrombus removing device provided by the invention, after being jetted from the efflux holes to the dual-circulation forming holes, the liquid medicine is divided into two liquid medicine flows of which the directions are different; the two liquid medicine flows can remove thrombus on the blood vessel pipe in the front direction and in the rear direction, the impact area of the liquid medicine is enlarged, the advancing and withdrawing range of the recovering pipe in the blood vessel is reduced, and the thrombus removing efficiency is greatly improved.
Owner:昆山金泰医疗科技有限公司
Punching assistance device for packaging carton machining and working method thereof
The invention discloses a punching assistance device for packaging carton machining. The punching assistance device comprises a paperboard conveying frame, a paper cutting mechanism, an air blowing and paper falling mechanism and a supporting mechanism, the paperboard conveying frame is connected with the paper cutting mechanism and the air blowing and paper falling mechanism, and the supporting mechanism is arranged below the air blowing and paper falling mechanism. The supporting mechanism supports a cut paperboard conveyed from the paper cutting mechanism, and a supporting point of the supporting mechanism can avoid a paper falling hole. Air nozzles are arranged below the air blowing and paper falling mechanism, and an air outlet of each air nozzle faces the upper surface of the paperboard. According to the punching assistance device for packaging carton machining and the working method of the punching assistance device, waste paper block separation can be rapidly conducted on paperboards subjected to paper cutting operation, manpower is saved, and the production efficiency is improved.
Owner:保定凯圣兰包装装潢彩印有限公司
Air outlet dust removal pipeline
InactiveCN113856387AImprove dust removal efficiencyEasy to collectCombination devicesDispersed particle filtrationDust controlStructural engineering
Owner:XINJIANG UNIVERSITY
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