452results about How to "Improve the capture effect" patented technology

The invention discloses a method for cooperatively promoting agglomeration growth of PM (particulate matter) 2.5 and treating desulfuration wastewater in an evaporation manner and a device of the method. The method particularly includes steps that agglomeration liquor prepared by desulfuration wastewater, high polymer adhesive and wetting agent is sprayed into an inlet flue of an electric precipitator and is evaporated by the aid of heat of flue gas, in an evaporation process, the wetting agent promotes dust to enter drops of the agglomeration liquor, the high polymer adhesive is connected with PM2.5 via a polymer chain with polar groups, the grain diameter of the PM2.5 is prompted to be enlarged, so that the PM2.5 can be gathered by the follow-up electric precipitator, the desulfuration wastewater is evaporated completely, suspended matters and dissolvable pollutants in the wastewater are converted into solid to be dissolved out, and the suspended matters and the dissolvable pollutants in the wastewater, together with dust in the flue gas, are gathered by the electric precipitator. The device consists of a boiler, an air preheater, the electric precipitator, a desulfurizing tower, a hydraulic cyclone, a desulfuration wastewater clarification tank and an agglomeration liquor preparation tank, and a double-fluid atomizing nozzle is arranged in the flue between the air preheater and the electric precipitator.

Provided is a current collector substrate in an electrode of an alkaline secondary battery, which is advantageous not only in that it has excellent holding ability for a mixture for electrode, but also in that the utilization of an active material is improved, thereby enhancing the discharge characteristics of the battery, and an electrode and an alkaline secondary battery using the same. This current collector substrate has a plurality of openings formed within the surface of a metal powder sinter sheet which has a thickness (t) of 80 mum or less and is produced by a powdery calendering process, wherein the openings have periphery portions comprising burr portions protruding in the opposite directions.

The invention belongs to the technical field of functionalized magnetic nano-materials, and especially relates to a preparation method of a thiol-functionalized magnetic silica nano-material. The preparation method comprises the following steps: carrying out a co-precipitation method of raw materials comprising a ferric salt and a ferrous salt to prepare super-paramagnetic ferriferrous oxide particles; wrapping the bare ferriferrous oxide nano-particles by treating a silane cross-linking agent as a silicon source through an improved sol-gel method to obtain a magnetic silica carrier; and carrying out functional modification of the surface of the carrier by a silane coupling agent to obtain the thiol-functionalized magnetic silica nano-material. The preparation method has the advantages of less consumption of organic solvents, mild reaction conditions, short reaction time, simple preparation process, less energy consumption, low cost and the like, and the finally obtained product has an average particle size of 20-30nm, and has a good selectivity and a high adsorption capacity when the product is used in the absorption of Hg (II) in wastewater.

The invention relates to an image capturing method and device, computer equipment, and a storage medium. The method comprises the steps: obtaining an image collected by an image collection device, recognizing at least one target main body in the image, and continuously tracking the posture changes of the target main body; detecting the posture of the target main body through a trained deep learning neural network model; and triggering a photographing instruction when the posture of the target main body is detected to be matched with a preset target posture. The method can achieve the accuratedetermination of the time point of dynamic posture snapshot, and improves the snapshot effect.

The invention discloses a ZIF-8 encapsulated amino ionic liquid type carbon dioxide adsorbing-catalyzing agent. The ZIF-8 encapsulated amino ionic liquid type carbon dioxide adsorbing-catalyzing agent is prepared according to the following steps: taking the metal organic framework material ZIF-8 as a carrier; taking the amino-group functionalized ionic liquid 1-(3-aminopropyl)-3-methylimidazole chloride as an active component; immobilizing the amino-group functionalized ionic liquid in the super-cages of the ZIF-8 carrier in an in-situ manner during preparation of ZIF-8, wherein 1.5 to 5 mmol of the amino-group functionalized ionic liquid is immobilized in each gram of the adsorbing-catalyzing agent. The adsorbing-catalyzing agent integrates the functions of selective adsorbing and catalyzing into a whole, and can be used for synchronously adsorbing and converting carbon dioxide, so as to reduce the cost of the CUU technology.

Carriers hold remote-acting bodies which can be manipulated by a remote force, and also hold a micro-substance which is a target substance of an assay. The remote-acting bodies are manipulated in order to control the positions of the micro-substances, so as to execute assays for various target substances efficiently, at low cost, easily, and reliably. Various aspects of interest include the carriers which hold the micro-substances, a system suspending the carriers, an apparatus for manipulating the carriers, and a method of controlling the position of the carriers.

An ultra-fine fiber melt-blown nonwoven fabric having excellent fine-particle trapping characteristics and air permeability is obtained by a melt-blowing method using: a die (1) having a plurality of ultra-fine spinning nozzles and an air nozzle; a rotating suction roll (2) having a porous outer peripheral surface and which sucks from the inside thereof; and a pair of upper and lower suction hoods (3a, 3b) covering the suction roll (2). In said melt-blow method: the interval between the die (1) and the suction roll (2) is set such that polymer fiber breakage or twisting is suppressed, within a range wherein the stretching of a molten polymer is completed and vibration of the obtained polymer fiber substantially does not occur; and the intervals between the outer peripheral surface of the suction roll (2) and the die-side end section of suction hoods (3a, 3b) are set such that fibers that have broken and attached or fused to the surface of the melt-blown nonwoven fabric can be removed by suction.

The invention provides a baffle type demisting device combining inertial separation and cyclone centrifugal separation and a method thereof. The method is as follows: the demisting device is designed as a two-level demister, and when airflow passes through a channel arranged between demisting blades of a first-level baffle on the base layer, mist drops impact the blades under the inertia effect due to flow line deflection, thereby realizing capture of large-diameter droplets. In addition, the outlet section of the baffle is arranged obliquely and faces one rotating direction, thereby achieving the functions of both demisting and diversion, so that the airflow can rise in a rotating way when passing through the first-level blades. The channel of a second-level demister is of deflection type in the vertical direction and is of a concentric ring shape in the horizontal direction, so that when rotating airflow passes through the demisting channel on the layer, smaller mist drops can be further removed under the combined effect of the baffle inertia separation and the rotating centrifugal separation, thereby making the whole demister achieve the effect of completely demisting.

The present invention provides a manufacturing method for a sealed battery includes: a process whereby a sealed battery application electrode assembly 11 is formed that has multiple positive electrode substrate exposed portions 14 at one end and multiple negative electrode substrate exposed portions 15 at the other end; a process whereby the negative electrode collector 181 and negative electrode collector receiving part 183 are brought against both surfaces of the part to be welded on at least the negative electrode substrate exposed portions 15, with tape 23a constituted of thermo deposited resin and having an opening 231 in the center being interposed; and a process whereby resistance welding is effected by passing current between the negative electrode collector 181 and negative electrode collector receiving part 183 positioned at the two sides.

The invention discloses a control method of a monitoring ball machine. The method comprises the following steps of (1) vertically and horizontally dividing a to-be-monitored space into a plurality of small partitions, and setting a shooting focal distance for each small partition; (2) setting corresponding preset positions for a central point position and an edge point position of each small partition, and storing horizontal position information, vertical position information and shooting focal distance information of the ball machine; (3) reading a video frame, and performing target detection on the video frame; (4) according to direction information of a detected target in a monitoring scene, mapping the target to the corresponding preset position; (5) calling the preset position by the ball machine to acquire a monitored image. The defects that the automation degree of control is not high, the real-time property and the flexibility are not enough, and human manual interference is required in a ball machine of the traditional video monitoring system are overcome; the control method is convenient in operation, high in automation degree of control and good in instantaneity, and is particularly good in capture effect on the monitored image of a quickly moving target.

The invention belongs to the technical field of magnetic materials and in particular relates to a preparation method of nanosilver and sulfydryl jointly modified magnetic microspheres. The preparation method comprises the following steps of: 1) preparing Fe3O4 magnetic microspheres; 2) preparing SiO2 wrapped Fe3O4 magnetic microspheres; (3) preparing sulfydryl modified SiO2 wrapped Fe3O4 magnetic microspheres; and 4) preparing nanosilver and sulfydryl jointly modified SiO2 wrapped Fe3O4 magnetic microspheres. According to the method, nano Fe3O4 is wrapped by a silane coupling agent and the stability and the acid-base resistance are improved due to the safety and the stability of silica; and a functional sulfydryl group is introduced into the surface through chemical reaction, so that novel modified magnetic nanoparticles are obtained. Due to investment and development of biological technology industry, life science and diagnostic reagent industry, the development of biological magnetic bead products with the technological advantage and the cost performance advantage is greatly promoted.

The invention provides a self-learning method capable of improving a snap shot effect. The self-learning method comprises the following steps: turning on a shooting function of an intelligent robot; executing a shooting operation based on a preset shooting condition parameter; acquiring preference data and a picture evaluation parameter specific to picture composition; performing machine learning on the picture evaluation parameter and the preference data specific to picture information, and modifying the preset shooting condition parameter based on a learning process in order to obtain an optimal shooting condition parameter for self-learning of the robot; and saving the optimal shooting condition parameter instead of the preset shooting condition parameter in order to perform a next shooting operation. Through adoption of the method, the storage space can be saved without manually deleting undesirable photos specially. Moreover, the intelligent robot can automatically delete undesirable pictures taken by a user or modifying the shooting parameter in a passive shooting scene.

The invention discloses a space debris large envelope capturing system with mechanical arms capable of being ejected out. The capturing system comprises a six-side cubic satellite body; solar panels are installed on the satellite body; buffer cushion surfaces are installed on the four sides, connected in sequence, of the satellite body; each buffer cushion surface comprises an air cushion and a force sensor arranged in the air cushion; the rigid-soft spliced mechanical arms are installed on the portions, at the two sides of the buffer cushion surfaces, of the satellite body; the force sensors are connected with the two rigid-soft spliced mechanical arms through ejection devices correspondingly; and each rigid-soft spliced mechanical arm comprises a soft part and a rigid claw, wherein the soft part is connected with the corresponding ejection device, and the rigid claw is connected to the front end of the corresponding soft part. According to the space debris large envelope capturing system with the mechanical arms capable of being ejected out, impact of fast moving debris can be borne, inclusivity of the soft parts of the rigid-soft spliced mechanical arms on sizes and shapes of the debris is higher, the rigid claws are easy to control, advantages of both rigid capturing and soft capturing are achieved, and the capturing effect is excellent.

The invention relates to a method and a device for cooperatively enhancing PM2.5 (Particulate Matter 2.5) removal and smoke afterheat deep utilization. The device is composed of a smoke humidifying device, an electric dust remover, a low-temperature coal economizer and a wet desulphurization tower. The method comprises the following steps: before smoke enters the electric dust remover, spraying atomized hot water to carry out humidifying and tempering treatment; enhancing the PM2.5 capturing of the electric dust remover and improving the moisture content of the smoke; providing the atomized hot water by the low-temperature coal economizer; arranging the low-temperature coal economizer between the electric dust remover and the desulphurization tower to recycle the sensible heat released by cooling the smoke to obtain the smoke with high relative humidity; then adjusting an inlet gas-liquid temperature difference and a desulphurization liquid-gas ratio of the subsequent wet desulphurization tower to enable the smoke with the high relative humidity in the desulphurization tower to be over-saturated in a desulphurization and washing process; and carrying out nucleation condensation on over-saturated water steam on the surface of PM2.5 so as to enable the granularity of the PM2.5 to grow and be captured. According to the method and the device, the capturing effect on the PM2.5 by the electric dust remover and a wet smoke desulphurization system can be enhanced and the smoke afterheat can also be recycled.

The invention relates to a human motion posture correction method and system based on computer vision, and the method comprises the steps: obtaining the posture information of a user through videos recorded by a plurality of cameras from a plurality of angles, carrying out the comparison through combining with standard motions, discovering a non-standard position of a user motion, and giving guidance. A user can obtain intelligent sports skill guidance without wearing extra equipment. According to the method, the convolutional neural network model in deep learning is used for detecting the positions of the human body key points captured by the camera in the image, the precision can be improved by training the model, and the precision required by action guidance can be achieved. And meanwhile, the positions of the plurality of cameras can be set according to the actual environment, so that compared with the method of using kinect equipment, the method has a better capturing effect on various complex actions of the user.

The invention relates to an airborne net gun device of an unmanned aerial vehicle. The airborne net gun device of the unmanned aerial vehicle comprises a cloud deck system, a video data acquisition module, a net gun, a remote control triggering module and an image transmission control system, wherein the video data acquisition module and the net gun are installed on the cloud deck system; the video data acquisition module is used for obtaining an image of the unmanned aerial vehicle; the image transmission control system is used for transmitting the obtained image of the unmanned aerial vehicle to a remote control system and receiving an emission instruction of the remote control system to control the remote control triggering module; the remote control triggering module is used for triggering the net gun to start; and the net gun is used for emitting a catching net to catch the target unmanned aerial vehicle. Illegal unmanned aerial vehicles can be effectively caught in time under the condition that a site is safe.

The invention discloses a differential electric precipitator, which comprises a shell, an ash bucket, an inlet seal head, an outlet seal head, a cathode system and an anode system. The ash bucket is connected with the shell through a bottom beam and is arranged below the shell, the inlet seal head and the outlet seal head are respectively arranged on the two sides of the shell, the cathode system and the anode system are arranged in the shell, and an auxiliary discharge system is arranged on the rear end of the inlet seal head, the anode system comprises a plurality of through type anodes for fume to transversely penetrate through, each two through type anodes form a wedge shape from the inlet seal head side to the outlet seal head side, and the contacts of the through type anodes on the inlet seal head side are connected via a V-shaped deflector; and the cathode system consists of a plurality of small cathode frameworks, and each small framework is independently hanged in an insulating way and is arranged in a triangular space between the anode system and the auxiliary anode discharge system. The invention reduces the average distance between dust and the anode plate, avoids the anti-corona scene caused by the dust with high specific resistance, improves the ash cleaning effect, and prevents the secondary dust.

The invention discloses a device for luring and trapping locusts through cyclone sealing gas absorbing spectrum illumination excitation. The device comprises a luring light source device, a rotating blade system, a trapping box and a negative pressure draught fan. The luring light source device is arranged in the rotating blade system and fixedly connected to a light source protection cover. The rotating blade system comprises a direct current motor, a rotating shaft, a transparent glass cover, a blade and a connecting support. A funnel-shaped sliding plate, a guiding channel and a self-locking mechanism are arranged on the upper portion inside the trapping box, the funnel-shaped sliding plate is formed by splicing and welding stainless steel, a collected locust separating chamber, a locust absorbing channel and a locust absorbing port are arranged on the lower portion inside the trapping box, and the negative pressure draught fan is arranged on one side of the trapping box and connected with the locust absorbing channel through the draught fan connecting device. The device has the advantages of being reasonable in structure, good in trapping effect, low in cost, high in adaptability and the like, plague locusts can be trapped at the fixed points, and large-scale and movable deserted field and grassland locust luring and trapping can be carried out in the locust plague outbreak area.

The invention belongs to the field of equipment related to carbon capture technologies, and discloses a continuous circulation carbon dioxide capture system on the basis of in-situ adsorption/desorption modes.The continuous circulation carbon dioxide capture system comprises a flue gas purification module, a pressurization module, an isothermal circulation carbon capture reactor group, a gas outlet condensation device, a negative-pressure module and the like which are sequentially connected with one another.The designed isothermal circulation carbon capture reactor group comprises a carbonization reactor and a regeneration reactor which cling to each other to transfer heat, and functions of the carbonization reactor and the regeneration reactor can be switched over after reaction is carried out for a certain time; the carbonization reactor is provided with the pressurization module, the regeneration reactor (42) is provided with the negative-pressure module, and an appropriate quantity of water vapor can be continuously supplied for the regeneration reactor (42).The continuous circulation carbon dioxide capture system has the advantages that the integral reaction efficiency can be obviously improved as compared with existing continuous carbon capture modes, abrasion of solid adsorbent particles due to collision can be eliminated, temperature difference between adsorption and desorption can be reduced to a great extent, the continuous circulation carbon dioxide capture system is economical and environmentally friendly, and the like.

The invention discloses a process for removing combined pollutants. The process for removing the combined pollutants comprises the following steps of: 1) spraying, adsorbing and purifying; 2) carrying out tubular pre-defogging; and 3) carrying out wet electric dedusting for purifying. In addition, the invention also provides a device for removing the combined pollutants for implementing the process for removing the combined pollutants, wherein the device for removing the combined pollutants comprises a removal tower of which the bottom is provided with a smoke inlet and the top is provided with a smoke outlet, a desulfurization spraying layer, a tubular defogger and an electric dust catcher are orderly arranged between the smoke inlet and the smoke outlet from bottom to top in the removal tower, and a slurry pond for storing limestone slurry is arranged under the smoke inlet. According to the invention, three process steps are integrated in one removal tower, so that a top defogger in the traditional desulfurizing tower is omitted, PM2.5 tiny dust and SO3 acid mist aerosol are removed efficiently and a 'gypsum rain' phenomenon is avoided effectively.

A related method for utilizing graphene to modify filter-material fiber of a bag-type deduster comprises the following steps: 1) taking graphite as a raw material, using an oxidation-reduction method to prepare graphene, dispersing graphene in water or an organic solvent; 2) mixing 3-aminopropyltriethoxysilane and the like as a coupling agent with ethanol according to a volume ratio of 1:3, and uniformly spraying the mixture on the surface of the filter-fiber filter material; 3) employing an immersing or spraying manner to coat the surface of the filter-fiber filter material obtained in the step (2) with the graphene sol prepared in the step (1); and 4) performing natural-placing stabilization on the filter-material fiber obtained in the step (3) for 24 h, then utilizing water or a light solvent to clean, and putting the filter-fiber filter material in a vacuum drying box and baking at 110 DEG C for 10 h. Compared with the prior art, the method helps to substantially improve performances of the filter-material fiber by utilizing modification of graphene to the filter material of the bag-type deduster, and has extremely good industrial utilization value.