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Pneumatic composite hole-type maize precision metering device
ActiveCN103355032AGood filling performanceEffective disturbanceSeed depositing seeder partsCircular discAgricultural engineering
The invention relates to a pneumatic composite hole-type maize precision metering device. The pneumatic composite hole-type maize precision metering device is characterized by comprising an upper shell of a seed-metering device, a lower shell of the seed-metering device, a discharge plate, a conveying device, a gas distribution chamber shell, a seed pushing plate, a seed scrapping plate, a seed cleaning wheel and a feed shaft, wherein the upper shell of the seed-metering device and the lower shell of the seed-metering device are buckled together to form a round chamber; the gas distribution chamber shell is arranged on the outer side of the upper shell of the seed-metering device; positive pressure air enters the round chamber through a gas distribution chamber, so that the round chamber is full of positive pressure; the discharge plate is disc-shaped, and a plurality of guide grooves in curved strips type are evenly arranged at the circumference of the outer edge of the discharge plate; chamfering angles are arranged at the edges of the guide grooves; the lower surface of the discharge plate is clung to a seal ring inside an annular groove embedded into the lower shell of the seed-metering device; the combined holes are formed by the guide grooves which are not covered; the seed pushing plate is circular-arc-shaped, a strip plate is arranged at the edge of the lower segment of the seed pushing plate, and the outer edge of the seed pushing plate is tangent with the initial end of each guide groove; convex teeth of the seed cleaning wheel are clamped into the combined holes of the discharge plate to be meshed with the discharge plate, and rotate along with the discharge plate.
Owner:CHINA AGRI UNIV
External heating type solid carbon-containing material pyrolysis method and pyrolysis system
ActiveCN103666503AImprove heat transfer coefficientEffective disturbanceDirect heating destructive distillationBiofuelsSolid carbonHeat carrier
The invention relates to a solid carbon-containing material pyrolysis system which comprises a circulating fluid bed hearth and a pyrolysis channel, wherein a solid heat carrier flows in the hearth in a fluidized state; granular solid carbon-containing materials containing volatile compounds are added into the pyrolysis channel from the upper part, pass through the pyrolysis channel in a fluidized state from top to bottom under the action of gravity, and is subjected to pyrolysis reaction; the pyrolysis channel is penetrated through the hearth, and the upper end of the pyrolysis channel and the lower end of the pyrolysis channel are positioned outside the hearth; the pyrolysis channel and the hearth are divided by a heat-conducting dividing wall, the solid heat carrier and the solid carbon-containing materials in the pyrolysis channel perform heat exchange through the heat-conducting dividing wall, and the solid carbon-containing materials are heated and subjected to pyrolysis reaction. The invention also relates to a solid carbon-containing material pyrolysis method.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
Fluidized-bed fly ash back-to- furnace gasification apparatus and method
ActiveCN105132039AEffective impactEffective disturbanceGranular/pulverulent flues gasificationCombustionFluidized bed
The present invention provides a fluidized-bed fly ash back-to- furnace gasification apparatus and method, and belongs to the technical field of coal gasification, fly ash back-to- furnace can be efficiently converted, at the same time, and distribution of the flow field inside a gasifier is more uniform. The fly ash back-to- furnace gasification apparatus includes a fly ash injection device, the fly ash injection device includes an inner layer channel and an outer layer channel, the inner layer channel is used for introducing an oxygen-containing gasification agent, the outer layer channel is used for introducing a backing fly ash blowing gas and fly ash mixture, or the inner layer channel is used for introducing the backing fly ash blowing gas and fly ash mixture, and the outer layer channel is used for introducing the oxygen-containing gasification agent, so that fly ash and the oxygen-containing gasification agent can be fully mixed at an outlet and injected into the gasifier for combustion reaction. The fluidized-bed fly ash back-to- furnace gasification apparatus can be used for fly ash handling in coal gasification process.
Owner:ENN SCI & TECH DEV
Swabbing parameter matching non-stop intermittent oil pumping and production system
InactiveCN109424337AGuaranteed reliabilityFit clearance is smallConstructionsFluid removalElectricityWorking fluid
The invention relates to a swabbing parameter matching non-stop intermittent oil pumping and production system. The system is characterized by being composed of an intelligent controller, a frequencyconverter and a special oil pump. An electric parameter test acquisition device is installed in the intelligent controller, embedded software is written in the intelligent controller, the active powerof a pumping unit is tested in real time, the working fluid level depth of an oil well is calculated according to the active power and structural parameters of the pumping unit, on this basis, when the working fluid level reaches a certain range, an intelligent program is started automatically, every time after the pumping unit reaches a top dead center, a crank is controlled to swing within a small angle range instead of immediate starting of a lower stroke, the time is provided for filling of the special oil pump, after the crank swings for a set time, an oil production program is started,and the operations are repeated; the oil pump is kept to always work under the optimal submergence condition while the high pumping efficiency is ensured; meanwhile, the pumping diameter of the oil pump is increased, the oil production stroke frequency of the pumping unit is greatly reduced under the condition of the same liquid yield, and the energy consumption of the system is reduced.
Owner:DAQING SENENPU MACHINERY MFG
Adsorption tank and treatment technology for wastewater treatment
ActiveCN103086458ADoes not play the role of contact adsorptionSuitable flowWater/sewage treatment by sorptionSorbentMechanical engineering
The invention relates to an adsorption tank. The adsorption tank is characterized in that an arc-shaped guide plate and a flow pushing device are arranged in a tank body, a flow pushing outlet of the flow pushing device faces the edge of the guide plate, a liquid pushed out by the flow pushing device enters the outer side of the arc-shaped guide plate, and remainder pushed out by the flow pushing device enters the inner side of the arc-shaped guide plate. Whether being on the periphery of the arc-shaped guide plate or inside the arc-shaped guide plate, the mixed liquid pushed out by the flow pushing device is entirely at a circular flow state through the flow-pushing effect of the arc-shaped guide plate, and after feed water enters the tank body, the arc-shaped guide plate guides the mixed liquid pushed out by the flow pushing device, so that the flowing of the mixed liquid can be realized by only arranging the few flow pushing devices; and when the adsorption tank with large handling capacity and large size adopts the arrangement mode, the energy consumption is greatly reduced. A clarifier is also arranged on the upper part of the adsorption tank and can be used for rapidly separating water and an adsorbent, so that the land occupied by the adsorption tank is greatly reduced.
Owner:BEIJING GUODIAN FUTONG SCI & TECH DEV
Miniature electric field sensor based on multi-structure coupling and preparation method of miniature electric field sensor
ActiveCN112540239AIncreased sensitivityImprove stabilityElectrostatic field measurementsElectric field sensorCapacitance
The invention discloses a miniature electric field sensor based on multi-structure coupling. The miniature electric field sensor comprises a first resonator, a second resonator, a third resonator, anelectrode unit and a fixing unit; the first resonator and the second resonator are connected through capacitive coupling or mechanical beam coupling; the third resonator and the second resonator are connected through capacitive coupling or mechanical beam coupling; the first resonator and the third resonator are arranged on the two sides of the second resonator respectively; the first resonator and the third resonator are connected with a reference zero potential or a certain reference potential; the electrode unit comprises an excitation electrode, a tuning electrode, a vibration detection electrode and an electric field induction electrode which are installed on the first resonator, the second resonator, the third resonator and the fixing unit respectively and is used for measuring the electric field intensity of the position where the miniature electric field sensor is located through the change of the field intensity between the pole plates of the electrodes . The electric field sensor has the advantages of high sensitivity, simple structure, adjustable dynamic range and sensitivity and the like.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI
Remote sensing satellite earth observation task planning method and device based on genetic algorithm
ActiveCN113313355AReduce running timeEffective disturbanceResourcesGenetic algorithmsEarth observationLocal optimum
The invention provides a remote sensing satellite earth observation task planning method and device based on a genetic algorithm, and relates to the technical field of satellite task planning. From the reality that different observation time windows selected by tasks cause different task observation earnings, the relation between the positions of the observation time windows of the tasks and the actual observation earnings of the tasks is analyzed, and the calculation mode of the actual observation earnings of the tasks is determined according to a time segmentation earnings method; a generation method of an initial population in the improved genetic algorithm is designed, the starting point of algorithm optimization is improved on the premise of ensuring population diversity, and the algorithm operation time is shortened; a self-adaptive crossover probability calculation method and a selective mutation method are designed, effective disturbance is carried out on the population, and the algorithm is prevented from falling into local optimum, so that a high-quality solution of the problem is obtained, and multi-satellite task planning is completed; and the satellite resource utilization rate and the observation task completion rate are greatly improved.
Owner:HEFEI UNIV OF TECH
Fin cleaning method and device and air conditioning unit
InactiveCN109489192AFix clean upEffective disturbanceMechanical apparatusCleaning heat-transfer devicesPower flowCleaning methods
The invention discloses a fin cleaning method and device and an air conditioning unit. The fin cleaning method includes the steps that the fan current is detected; and according to the fan current, whether fins are dirty and blocked or not is judged, if so, fin self-cleaning operation is started. According to the fin cleaning method and device and the air conditioning unit, the fan current is onlyneeded to be detected, the dirty and block conditions of the fins are judged according to the fan current, when judging the fan is dirty and blocked, the fin self-cleaning operation is started, thusthe effective air disturbance of the fins is guaranteed, and then performance and reliability of the unit are improved, so that the problem that the fins cannot be effectively cleaned in real time inthe prior art is effectively solved.
Owner:GREE ELECTRIC APPLIANCES INC
Arab hookah
The invention relates to an Arab hookah comprising a filtering element, a smoke exhaust adjustment device and a smoke feeding device. The filtering element is accommodated in the upper side of a smoke feeding pipe, and a P-type oxide catalyst for filtering carbon monoxide is filled in the filtering element. The smoke exhaust adjustment device is arranged at a smoke exhaust hose, and is provided with a smoke blockage element which can at least move between a first position and a second position: when the smoke blockage element is positioned at the first position, the section of the smoke exhaust hose where the smoke blockage element is located does not communicate with atmosphere; and when the smoke blockage element is positioned at the second position, bore of the section of smoke exhaust hose where the smoke blockage is located communicating with the atmosphere is increased along with the increasing of smoke flow in the smoke exhaust hose. The smoke feeding device is arranged at the lower end of the smoke feeding pipe, and comprises a jetting part and a splitting part arranged in sequence, and after being accelerated by the jetting part, smoke from the smoke feeding pipe is randomly bidirectionally split into a liquid container at the splitting part.
Owner:黄印坤
Nitrogen-charging black tea fermenting method
InactiveCN106417723AUniform fermentationHelps control oxygen contentPre-extraction tea treatmentNitrogenBlack tea
The invention discloses a nitrogen-charging black tea fermenting method and relates to a tea production method. The method comprises five steps including a preparation stage, a green tea adding state, a fermentation stage, a nitrogen charging state and a fermentation stopping stage, wherein at the nitrogen charging stage, nitrogen is charged into a fermentation tank, so that the nitrogen content of the fermentation tank is gradually increased from 70% to 90%; at the fermentation stopping stage, tea in the fermentation tank is sampled once every 2-5 minutes, the color and the aroma of the tea are compared, and air introduction is stopped after the tea aroma meets the requirements. The content of nitrogen in the air can be increased and the oxygen content can be reduced through nitrogen charging, so that the fermentation time can be prolonged, and sampling analysis is facilitated.
Owner:贵州黔茗茶业销售有限公司
Driving ditching and land preparation all-in-one machine
PendingCN107306524ARealize multi-functional joint operationReduce power consumptionSpadesPloughsCircular discEngineering
The invention discloses a driving ditching and land preparation all-in-one machine. The machine comprises a main rack, a three-point suspension device, a central gear box which is fixed to the main rack, and two side gear boxes and two disk harrow units which are symmetrically arranged on the main rack; the output shaft of one side of the central gear box is connected with the input shaft of the side gear box of one side, and the output shaft of the other side of the central gear box is connected with the input shaft of the side gear box of the other side; one disk harrow unit is connected with the lower output shaft of the side gear box of one side, and the other disk harrow unit is connected with the lower output shaft of the side gear box of the other side; the disk harrow units are symmetrically distributed in a splay shape, the working deflection angle of each disk harrow unit is between 20 degrees and 30 degrees, so that the whole machine is evenly stressed in operating, and the longitudinal space is saved. The disk harrow units are automatically driven to conduct land preparation operation, meanwhile a passive mode is adopted to achieve land formation and ditching operation, and the operation such as furrow digging, ploughing, land formation, soil pulverizing and rolling can be completed by one time.
Owner:HUAZHONG AGRI UNIV
Baking machine
The invention relates to a baking machine. The baking machine comprises a base, a heating device, a machine body and a flow guide device. The heating device is located in the base and used for generating hot air flow. The machine body is arranged on the base and provided with a baking room and an air flow channel, and the air flow channel is communicated with the heating device. The flow guide device comprises a first flow guide block and a plurality of flow guide blades, the first flow guide block is located in the baking room, the flow guide blades are located in the air flow channel and below the first flow guide block, and all the flow guide blades are obliquely arranged around a reference axis, passing through the center of the first flow guide block, as the center. Accordingly, the flow guide device can change the flow direction of the hot air flow, and a baked object in the baking room is effectively baked.
Owner:BAHUTONG ENTERPRISE LTD
MBR pulse aeration device free of extra power and aeration system with same
ActiveCN104192982AEffective disturbanceEasy to cleanSemi-permeable membranesBiological water/sewage treatmentAeration systemVolumetric Mass Density
The invention discloses an MBR pulse aeration device free of extra power and an aeration system with the same. The MBR pulse aeration device comprises an air supply mechanism, an MBR pulse aeration device body free of extra power, an aeration main pipe and a plurality of aeration branch pipes, wherein the MBR pulse aeration device body free of extra power comprises a shell and an air storage sink-and-float tank of which the density is greater than the density of water; a sliding chute for containing the air storage sink-and-float tank and enabling the air storage sink-and-float tank to sink and float in a reciprocating manner is formed inside the shell; a cavity is formed inside the air storage sink-and-float tank; the bottom end of the cavity is open; an air inlet pipe for supplying air to the cavity is arranged at the bottom of the shell; at least one air outlet pipe is arranged on the lateral wall of the top of the shell; a built-in valve and an air outlet corresponding to the air outlet pipe are arranged on the lateral wall of the top of the air storage sink-and-float tank; and the valve can communicate the cavity with the air outlet pipe when the air outlet of the air storage sink-and-float tank reaches the position corresponding to the air outlet pipe. The MBR pulse aeration device has the advantage that the air flow can be saved in comparison with constant-quantity and constant-speed aeration under the same purging effect, therefore, energy consumption is greatly reduced; and the device is simple in structure and good in purging effect, and manual intervention to control is avoided.
Owner:CITIC ENVIROTECH GUANGZHOU CO LTD +1
Lifting type foam board machine capable of achieving uniform feeding, using method of lifting type foam board machine, feeding mechanism used for board machine and feeding method
PendingCN109849252AImprove the perturbation effectEvenly distributedFlat articlesEngineeringControl valves
The invention relates to a lifting type foam board machine capable of achieving uniform feeding, a using method of the lifting type foam board machine, a feeding mechanism used for the board machine and a feeding method. In order to solve the problem that a foam board in the prior art generates yin and yang surfaces due to uneven distribution of raw materials, and the technical scheme is provided;the lifting type foam board machine capable of achieving uniform feeding comprises a rack, a forming form board combination, a feeding mechanism, heating pipes, cooling pipes, a sewage discharge pipe, a lifting mechanism, an ejection mechanism and a control valve system; the forming form board combination comprises six-side mold plates, the six-side mold plates are closed to form a mold cavity, and the six-side mold plates are each provided with a plurality of heating pipes and a plurality of cooling pipes; the lower mold plate is of a lifting structure; and the feeding mechanism includes a plurality of upper feeding guns mounted to the upper mold plate and a rear feeding gun mounted to the rear mold plate. The lifting type foam board machine can produce various types of foam boards, andthe produced boards are free of the yin and yang surfaces, and the quality of the foam boards is improved.
Owner:HANGZHOU FUYANG DONGSHAN PLASTIC MACHINERY
Ventilation and turbulence type hot air drying room and working method thereof
PendingCN111578631AReduce energy lossGood circulationDrying gas arrangementsDrying solid materialsHot blastHeat conservation
The invention discloses a ventilation and turbulence type hot air drying room and a working method thereof, and belongs to the technical field of agricultural product processing. The room is characterized in that a drying room body is divided into a drying room and a heat supplying room, the drying room and the heat supplying room communicate through a drying room air inlet and a drying room air return port; a skip car and a temperature and humidity sensor are arranged in the drying room, a drying room arc guiding plate is arranged at the joint between a heat preservation wall on one side of the drying room and a roof, a drainage turbulence fan is arranged on the side, the outlet in the drainage turbulence fan faces the skip car, a moisture exhaust fan is arranged at the top, and a moisture exhaust ventilation port is formed in the bottom; a heating device and an axial flow fan which cooperatively work to be used for providing hot air are arranged in the heat supplying room, and a heatsupplying room arc guiding plate is arranged at the joint of a heat preservation wall on one side and the roof; and the axial flow fan, the heating device, the moisture exhaust fan, the drainage turbulence fan, the temperature and humidity sensor and the moisture exhaust ventilation port are connected with a control system. According to the room and the method, an internal heat flow field of thedrying room is good in uniformity, the efficiency is high, the automation degree is high, manpower and material resources are greatly saved, and good application prospects are achieved.
Owner:SHAANXI UNIV OF SCI & TECH
Sewage treatment flocculation equipment based on spraying convection
InactiveCN108675423AEfficient MixingImprove flocculation effectFlow mixersTransportation and packagingEngineeringSewage treatment
The invention provides sewage treatment flocculation equipment based on spraying convection. The equipment comprises a pool body, wherein two movement post lifting devices are symmetrically and fixedly connected onto the outer side wall of the pool body; the top ends of the two movement post lifting devices are jointly and fixedly connected with a support plate; each movement post lifting device comprises an installing seat; a support post is fixedly connected onto the installing seat; a groove with an upward opening is formed in the support post; a threaded rod is arranged in the groove and passes through the support post and the installing seat to downwards extend. The sewage treatment flocculation equipment has the beneficial effects that a first rubber pad is used for extruding sewageinside a first cavity; the sewage is sprayed out from the spraying device position; a second rubber pad extrudes sewage inside a second cavity, so that the sewage can be sprayed out through a liquid discharging pipe; the sewage sprayed out from the spraying device can be merged with the sewage sprayed out from the liquid discharging pipe to form the convection; the efficient mixing treatment on the sewage and a flocculation agent is realized; the flocculation effect on the sewage is effectively improved.
Owner:杨柳清
Environment-friendly grain dryer
InactiveCN113203278AIncrease exerciseAvoid insufficient drying problemsDrying gas arrangementsDrying machines with non-progressive movementsAgricultural engineeringElectric machinery
The invention discloses an environment-friendly grain dryer, and relates to the technical field of grain drying. The problem that grain drying is insufficient is solved. The environment-friendly grain dryer specifically comprises a material containing groove, a drying tank, and air blowing equipment; a first hopper and a second hopper are arranged on the outer walls of the bottom and the top of the drying tank, respectively; a receiving box is arranged on the outer wall of the bottom of the first hopper; connecting plates are arranged on the outer walls of the periphery of the receiving box, respectively; fixed plates are arranged on the outer walls of the bottoms of the two opposite connecting plates, respectively; supporting rods are arranged on the outer walls of the bottoms of the other two opposite connecting plates; the two sides of the bottom of the material containing groove are connected with the two sides of the connecting plates through telescopic rods, respectively; a feeding pipe is arranged on the outer wall of one side of the bearing box; a motor is fixed to the outer wall of the top of the second hopper through a supporting plate. According to the whole device, the exercise amount of grains is greatly increased, the problem of insufficient drying caused by mutual accumulation in the grains is solved, meanwhile, the whole device is high in drying efficiency and low in electricity consumption, and the environment-friendly effect is embodied.
Owner:ANHUI ZHENGYANG MACHINERY TECH
Cleaning brush and cleaning kit
PendingCN110731726AEffective disturbanceEasy to cleanSuction nozzlesEngineeringMechanical engineering
The invention relates to a cleaning brush. The cleaning brush comprises a brush handle, brush bristles and a ventilating pipeline, wherein the brush bristles are mounted at one end, along the self extending direction, of the brush handle, the ventilating pipeline is arranged in the brush handle, the ventilating pipeline is provided with a first air hole and a second air hole communicating with each other, the second air hole is arranged at one end, provided with the brush bristles, of the brush handle, and the first air hole can communicate with an air drive device in a dust collector. The invention further relates to a cleaning kit comprising the cleaning brush. For the cleaning brush and the cleaning kit, the brush bristles can effectively disturb or clean dust in gaps and dust with strong adhesion, meanwhile, the first air hole of the ventilating pipeline communicates with the air drive device in the dust collector, and further, the second air hole disturbs or cleans the dust in gaps and the dust with strong adhesion in the manner of blowing out air or sucking in air. Meanwhile, the brush bristles can effectively clean dirt including dust difficult to clean on a main body of thedust collector, dust in the gaps and the like, and finally, the thorough sanitary cleaning is realized.
Owner:GREE ELECTRIC APPLIANCES INC
Dehumidification equipment for a warehouse
ActiveCN113834141BAchieve absorptionImprove circulation efficiencyMechanical apparatusLighting and heating apparatusAir changeMechanical engineering
The invention discloses a dehumidification device for a warehouse, which belongs to the technical field of dehumidification and ventilation, and comprises a dehumidification box body, a ventilating fan is fixedly installed in the inner cavity of the dehumidification box body, and an air intake grid plate is fixedly installed on the front side of the dehumidification box body. An air outlet is provided on the rear side of the dehumidification box, and a noise reduction component is fixedly installed on the corresponding position between the inner cavity of the dehumidification box and the side of the air intake grille. In the present invention, the fully buffered dry air is discharged through the silencing holes arranged around the outside and contacts the inner side of the steering bag, and the flexible steering bag performs frequency vibration and energy absorption through its own flexible bag wall, and then can realize the cooling of the dry air. The effective absorption of impact energy significantly improves the energy absorption, noise reduction and resonance noise reduction of ventilation and wind noise at the dehumidification and air outlet position. At the same time, the exhaust pipe can be extended and assembled at an offset angle through the connecting bag connected at one end, which is suitable for the direction of storage of wood in the warehouse. The exhaust gas treatment is adapted to improve the circulation efficiency of dry gas in the warehouse, and effectively improve the effect of ventilation and dehumidification.
Owner:诸城市松源木业有限责任公司
The mbr pulse aeration device without extra power and the aeration system equipped with the device
ActiveCN104192982BEffective disturbanceEasy to cleanSemi-permeable membranesBiological water/sewage treatmentAeration systemEnergy consumption
Owner:CITIC ENVIROTECH GUANGZHOU CO LTD +1
A Diesel Engine Spiral Auxiliary Intake Port
ActiveCN106523178BStrong disturbanceEffective disturbanceInternal combustion piston enginesCylinder headsCombustion chamberInlet channel
The invention belongs to the technical field of diesel engine air inlet channel structural design and mixed gas forming, and discloses a spiral auxiliary air inlet channel of a diesel engine. The spiral auxiliary air inlet channel rotationally arranged around an air inlet channel is designed in order to improve the oil-gas mixing quality in a diesel engine combustion chamber and perfecting the combustion degree of diesel oil. After fresh air is converged into the air inlet channel through the spiral auxiliary air inlet channel, the air inlet quantity of each cycle of the diesel engine can be effectively increased, and the vortex intensity of gas entering the combustion chamber can be improved. In this manner, the combustion efficiency of fuel can be effectively improved, the fuel economic performance and discharge performance of the diesel engine can be improved, and the work section of the diesel engine can be expanded.
Owner:DALIAN UNIV OF TECH
Secondary air blowing and chemical feeding combined structure of biomass boiler
ActiveCN104456607AHigh thermal efficiencyImprove energy savingNon-combustible gases/liquids supplyProcess engineeringEnvironmental engineering
The invention provides a secondary air blowing and chemical feeding combined structure of a biomass boiler. The secondary air blowing and chemical feeding combined structure of the biomass boiler can effectively solve the problem that by the adoption of a biomass boiler formed by transforming a traditional coal-fired boiler, biomass fuel has a negative influence on a heated surface in the combustion process and can also guarantee that biomass particle fuel is fully combusted. A secondary air blowing device is arranged at a front arch of a hearth of the biomass boiler. A chemical feeding structure is further arranged in the secondary air blowing device. The secondary air blowing device blows secondary air into the hearth so as to accelerate smoke disturbance in the hearth, and a combustion assistant is sprayed to the hearth by the chemical feeding structure at the same time.
Owner:JIANGSU TAIHU BOILER
Air-cooled plasma protecting gas hood nozzle
Owner:HARBIN INST OF TECH
an arabian hookah
The invention relates to an Arab hookah comprising a filtering element, a smoke exhaust adjustment device and a smoke feeding device. The filtering element is accommodated in the upper side of a smoke feeding pipe, and a P-type oxide catalyst for filtering carbon monoxide is filled in the filtering element. The smoke exhaust adjustment device is arranged at a smoke exhaust hose, and is provided with a smoke blockage element which can at least move between a first position and a second position: when the smoke blockage element is positioned at the first position, the section of the smoke exhaust hose where the smoke blockage element is located does not communicate with atmosphere; and when the smoke blockage element is positioned at the second position, bore of the section of smoke exhaust hose where the smoke blockage is located communicating with the atmosphere is increased along with the increasing of smoke flow in the smoke exhaust hose. The smoke feeding device is arranged at the lower end of the smoke feeding pipe, and comprises a jetting part and a splitting part arranged in sequence, and after being accelerated by the jetting part, smoke from the smoke feeding pipe is randomly bidirectionally split into a liquid container at the splitting part.
Owner:黄印坤
High-efficiency cooling back plate device used for liquid crystal semiconductor film forming
PendingCN112985153AEasy to importEffective heat transferIndirect heat exchangersHeat transfer modificationThermodynamicsMechanical engineering
The invention discloses a high-efficiency cooling back plate device used for liquid crystal semiconductor film forming in the technical field of semiconductor production. The high-efficiency cooling back plate device comprises a cooling back plate and a cooling box, a target material is arranged above the cooling back plate, the cooling back plate is arranged above the cooling box, the end face of the left side of the cooling box is fixedly connected with a water inlet pipeline communicating with an inner cavity, a water inlet flange plate is fixedly connected to a pipe opening of the water inlet pipeline, a water outlet pipeline communicating with the inner cavity is fixedly connected to the end face of the right side of the cooling box, and a water outlet flange plate is fixedly connected to a pipe opening of the water outlet pipeline. The cooling box comprises multiple sets of mounting grooves, each set of mounting groove comprises a containing plate, a permanent magnet is arranged on each set of containing plate, the containing plates are movably connected with the permanent magnets, the permanent magnets are in contact with the cooling back plate, two sets of monitoring chips are arranged in the cooling box, and multiple sets of turbulent flow mechanisms are arranged in the cooling box. The high-efficiency cooling back plate device aims to solve the problem that the target material is prone to being damaged when meeting high temperature.
Owner:京浜乐梦金属科技(苏州)有限公司
External heating type solid carbonaceous material pyrolysis method and pyrolysis system
ActiveCN103666503BImprove heat transfer coefficientEffective disturbanceDirect heating destructive distillationBiofuelsBiochemical engineeringPyrolysis
The invention relates to a solid carbon-containing material pyrolysis system which comprises a circulating fluid bed hearth and a pyrolysis channel, wherein a solid heat carrier flows in the hearth in a fluidized state; granular solid carbon-containing materials containing volatile compounds are added into the pyrolysis channel from the upper part, pass through the pyrolysis channel in a fluidized state from top to bottom under the action of gravity, and is subjected to pyrolysis reaction; the pyrolysis channel is penetrated through the hearth, and the upper end of the pyrolysis channel and the lower end of the pyrolysis channel are positioned outside the hearth; the pyrolysis channel and the hearth are divided by a heat-conducting dividing wall, the solid heat carrier and the solid carbon-containing materials in the pyrolysis channel perform heat exchange through the heat-conducting dividing wall, and the solid carbon-containing materials are heated and subjected to pyrolysis reaction. The invention also relates to a solid carbon-containing material pyrolysis method.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
Thermal shock resistant solid heat storage device
PendingCN114659399AImprove thermal shock resistanceSolve the problem of obvious performance degradation in long-term useHeat storage plantsEngineeringThermal shock
The invention relates to a thermal shock resistant solid heat storage device, in particular to a thermal shock resistant solid heat storage device. The invention aims to solve the problem that the service life of an existing solid heat storage electric heating device is short. According to the process, the thermal shock resistant solid heat storage device sequentially comprises an upper end heat storage element, N middle heat storage elements and a lower end heat storage element from top to bottom; the upper end heat storage element sequentially comprises an upper positioning base, a spherical heat storage body and an upper fixing clamping cover from top to bottom. The lower end heat storage element sequentially comprises a lower fixing clamping cover, a spherical heat storage body and a lower positioning base from top to bottom. The middle heat storage element sequentially comprises an upper fixing clamping cover, a spherical heat storage body and a lower fixing clamping cover from top to bottom. The upper positioning base is fixedly connected with the upper fixing clamp cover; the lower positioning base is fixedly connected with the lower fixing clamp cover; the upper fixing clamp cover and the lower fixing clamp cover are fixedly connected. The method is applied to the field of thermal shock resistant solid heat storage.
Owner:HARBIN INST OF TECH
Combination structure of secondary air and dosing of biomass boiler
ActiveCN104456607BHigh thermal efficiencyImprove energy savingNon-combustible gases/liquids supplyHearthEngineering
The invention provides a secondary air blowing and chemical feeding combined structure of a biomass boiler. The secondary air blowing and chemical feeding combined structure of the biomass boiler can effectively solve the problem that by the adoption of a biomass boiler formed by transforming a traditional coal-fired boiler, biomass fuel has a negative influence on a heated surface in the combustion process and can also guarantee that biomass particle fuel is fully combusted. A secondary air blowing device is arranged at a front arch of a hearth of the biomass boiler. A chemical feeding structure is further arranged in the secondary air blowing device. The secondary air blowing device blows secondary air into the hearth so as to accelerate smoke disturbance in the hearth, and a combustion assistant is sprayed to the hearth by the chemical feeding structure at the same time.
Owner:JIANGSU TAIHU BOILER
Pyrolysis system and pyrolysis method for solid carbonaceous materials
ActiveCN103666501BImprove heat transfer coefficientEffective disturbanceDirect heating destructive distillationBiofuelsHeat carrierHeat conducting
The invention relates to a pyrolysis system for a solid carbonic material. The pyrolysis system comprises a circulating fluid bed hearth, a first separator, a solid heat carrier channel and a pyrolysis channel, wherein the first separator is connected with a smoke outlet of a circulating fluid bed; a solid heat carrier flows inside the solid heat carrier channel in a fluidized state; the granular solid carbonic material containing a volatile component is added from the upper part, passes through the pyrolysis channel from top to bottom by using the gravity in a fluidized state, and generates pyrolysis reaction; the pyrolysis channel and the solid heat carrier channel are partitioned by a heat-conducting dividing wall; the solid heat carrier and the solid carbonic material inside the pyrolysis channel are subjected to heat exchange through the heat-conducting dividing wall; the solid carbonic material is heated and subjected to pyrolysis reaction; the solid heat carrier inlet of the solid heat carrier channel is communicated with a solid outlet of the first separator; and an overflow port is formed at the lateral wall of the solid heat carrier channel, and communicated with a material return opening of the hearth. The invention also relates to a pyrolysis method for the solid carbonic material.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
Pneumatic combined hole type corn precision seed metering device
ActiveCN103355032BGood filling performanceEffective disturbanceSeed depositing seeder partsPositive pressureMechanical engineering
The invention relates to a pneumatic composite hole-type maize precision metering device. The pneumatic composite hole-type maize precision metering device is characterized by comprising an upper shell of a seed-metering device, a lower shell of the seed-metering device, a discharge plate, a conveying device, a gas distribution chamber shell, a seed pushing plate, a seed scrapping plate, a seed cleaning wheel and a feed shaft, wherein the upper shell of the seed-metering device and the lower shell of the seed-metering device are buckled together to form a round chamber; the gas distribution chamber shell is arranged on the outer side of the upper shell of the seed-metering device; positive pressure air enters the round chamber through a gas distribution chamber, so that the round chamber is full of positive pressure; the discharge plate is disc-shaped, and a plurality of guide grooves in curved strips type are evenly arranged at the circumference of the outer edge of the discharge plate; chamfering angles are arranged at the edges of the guide grooves; the lower surface of the discharge plate is clung to a seal ring inside an annular groove embedded into the lower shell of the seed-metering device; the combined holes are formed by the guide grooves which are not covered; the seed pushing plate is circular-arc-shaped, a strip plate is arranged at the edge of the lower segment of the seed pushing plate, and the outer edge of the seed pushing plate is tangent with the initial end of each guide groove; convex teeth of the seed cleaning wheel are clamped into the combined holes of the discharge plate to be meshed with the discharge plate, and rotate along with the discharge plate.
Owner:CHINA AGRI UNIV
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