35results about How to "Effective disturbance" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.