118results about How to "Guaranteed absorption" patented technology

The invention, which relates to the technical field of reactor production, discloses an electric reactor automatic preassembling test platform comprising an automatic placement negative pressure suction structure which can drive an electrolyte electromagnetic elimination protection plate to perform angle rotation under the cooperation of a dynamic anti-interference assembly, so that an eddy current effect is generated in the rotation process of an electrolyte in the electrolyte electromagnetic elimination protection plate; external electromagnetic interference signals are absorbed and reflected, the influence on the reactor test process is reduced, and the adaptive filter is synchronously enabled to realize transverse displacement adjustment through the first transverse adjustment rail slidably connected to the bottom so as to adapt to the test requirements of reactors at different positions, so that the adaptive filter is enabled to cooperate with the dynamic anti-interference assembly, and the test efficiency is improved. The high-frequency signal is subjected to pure extraction and analysis, interference is reduced, the test stability is further improved, the accuracy and reliability of a test result are ensured, the influence of external factors on the test result is reduced, and the accuracy and reliability of the test result are further improved under the cooperation of the test assembly.

The invention provides fertilization equipment for forest management and protection planting, and relates to the technical field of fertilization, the fertilization equipment comprises a tumbril, the left and right ends of the front side of the tumbril are fixedly provided with two support columns of cylindrical structures; an embedded disc is fixedly mounted in the tumbril; the bottom positions of the left and right sides of the tumbril are rotationally provided with action wheels; and trigger columns are fixedly mounted at the left and right ends of the front side of the mounting plate. The fertilization quality of trees is guaranteed, the fertilization equipment does not need to be continuously moved manually for surrounding fertilization, the fertilization efficiency of the fertilization equipment is improved while the physical strength of workers is saved, the fertilization equipment is suitable for large-scale forest management and protection fertilization, and the problems that in the fertilization process, the workers need to continuously adjust the position of the fertilization equipment, and the fertilization efficiency is poor are solved. The fertilization efficiency is low, the physical output of workers is increased, and the fertilization equipment is not suitable for management and protection fertilization of large-scale forests.

The utility model discloses a carbon dioxide absorber device with an artificial nose filter, which belongs to the technical field of medical instruments and comprises a shell, an air inlet is arranged at the top of one side of the shell, an air outlet is arranged on one side of the shell far away from the air inlet and opposite to the air inlet, and an artificial nose is mounted on the air outlet. A honeycomb-shaped division bar is arranged at the inner bottom of the shell, and a gap is reserved between the lower portion of the honeycomb-shaped division bar and the inner bottom of the shell. The artificial nose is arranged at the air outlet of the shell, so that the heat and the humidity of air exhaled by a patient can be kept, bacteria and viruses in the inhaled air are isolated, cross infection is effectively avoided, and the use safety and the functionality of the device are improved; the honeycomb-shaped division bars and the first sponge mat are arranged at the inner bottom of the shell, the inner space of the shell can be divided, the absorption area is formed at the top of the first sponge mat, the water vapor collection area is formed at the bottom of the first sponge mat, calcium lime can be prevented from being soaked, and the absorption effect is ensured.

The invention relates to the technical field of fertilization, and discloses a banana fertilization device, which comprises a bottom plate with rollers, and also comprises a transverse plate horizontally arranged above the bottom plate; the communicating pipe is horizontally arranged above the bottom plate, and the communicating pipe is fixedly installed on the side face of the box body; the first spraying assembly is used for spraying water and fertilizer into soil around the banana trees; the second spraying assembly is arranged on the bottom plate, and the second spraying assembly is used for uniformly spraying water and fertilizer onto the banana leaves. When banana trees are fertilized, the first V-shaped plate rotates with the banana trees as the circle center to ditch, then the first spraying pipe rotates with the banana trees as the circle center to spray water and fertilizer, the water and fertilizer can be sprayed into soil after ditching, uniform fertilization around the banana trees is achieved, and the fertilizer absorption effect of the banana trees after fertilization is guaranteed; and the use effect of the equipment is improved.

The invention discloses an oil-immersed power transformer, and relates to the technical field of transformers, the oil-immersed power transformer comprises a transformer main body, an oil conservator is arranged above the transformer main body in a communicating manner, and the oil-immersed power transformer further comprises an oil guide pipe which is located below the oil conservator and is communicated with the interior of the oil conservator; the connecting flange is arranged at the bottom end of the oil guide pipe in a communicating manner; the supporting flange is located below the connecting flange and connected with the connecting flange through bolts. Through cooperative use of a connecting flange, a supporting flange, a glass tube, a protective tube, a fixing sleeve and a movable seat, when the movable seat is in a first state, moisture in air is absorbed by moisture absorption silica gel balls in a first moisture absorption cavity, and when the water absorption capacity of the moisture absorption silica gel balls in the first moisture absorption cavity is reduced or even fails, the moisture absorption silica gel balls in the first moisture absorption cavity can absorb moisture in the air. And the movable seat is adjusted to the second state, the air enters the second moisture absorption cavity, moisture absorption silica gel balls in the second moisture absorption cavity absorb moisture of the air passing through the first moisture absorption cavity, and it is ensured that the air is in a dry state.

The invention discloses an oil-immersed power transformer, which relates to the technical field of transformers, and includes: a transformer body, an oil pillow is connected to the upper part of the transformer body, and also includes: an oil guide pipe, which is located below the oil pillow and is connected to the inside of the oil pillow; a connecting flange, which is connected to the bottom end of the oil guide pipe; a supporting flange, which is located below the connecting flange and connected to the connecting flange through bolts. The invention uses the connecting flange, the supporting flange, the glass tube, the protective tube, the fixed sleeve and the movable seat in coordination. When the movable seat is in the first state, the hygroscopic silica gel balls in the first hygroscopic cavity absorb moisture in the air. When the hygroscopic silica gel balls in the first hygroscopic cavity have a reduced or even ineffective water absorption capacity, the movable seat is adjusted to the second state, and air enters the second hygroscopic cavity. The hygroscopic silica gel balls in the second hygroscopic cavity absorb moisture from the air after passing through the first hygroscopic cavity, ensuring that the air is in a dry state.

The invention discloses an energy-saving alternative irrigation liquid fertilizer applicator and a use method thereof, and belongs to the technical field of agricultural irrigation. The invention relates to an energy-saving liquid fertilizer applicator capable of alternately irrigating, which comprises a frame, and further comprises a moving assembly arranged on the lower side of the frame and used for driving the frame to walk; the fertilizer cylinder is fixedly arranged at the top of the frame through a supporting rod, and a stirring assembly is arranged in the fertilizer cylinder; the two sets of insertion irrigation mechanisms are arranged on the two sides of the fertilizer cylinder correspondingly, and each insertion irrigation mechanism comprises a soil insertion assembly and an irrigation assembly connected with the soil insertion assembly; wherein the frame is provided with a transmission part used for driving the stirring assembly and the insertion irrigation mechanism to work, and the transmission part is connected with the moving assembly; according to the invention, soil beside crops can be loosened and the loosened soil can be fertilized and irrigated in the advancing path of the frame along the crops, so that the fertilizer absorption effect of the crops is ensured.

The invention belongs to the technical field of optical cable cross-connecting boxes, and particularly relates to a rainwater-proof communication optical cable cross-connecting box which comprises a box body, an exhaust fan is arranged on the side face of the box body, a protection frame is fixedly connected to the upper surface of the box body, the upper surface of the protection frame is an acrylic plate made of a transparent material, and a solar cell panel is arranged below the protection frame. A rotating mechanism is arranged on one side of the protection frame, a lightning protection mechanism is further arranged on the upper surface of the box body, and an evaporation mechanism is arranged in the box body. According to the communication optical cable cross-connecting box, the exhaust fan, the silica gel beads and the ceramic blocks are arranged, when the communication optical cable cross-connecting box is used in an area with a large temperature difference, it can be guaranteed that water vapor generated by the temperature difference in the box body is absorbed by the silica gel beads, the interior of the box body is kept dry, and after the water absorption of the silica gel beads is reduced, water in the silica gel beads is evaporated through heating of the ceramic blocks; and the silica gel beads are extracted by the exhaust fan, so that the silica gel beads can be repeatedly used, and frequent replacement of the silica gel beads is avoided.

The present invention relates to a water trough for potted flower irrigation and an irrigation system thereof, belonging to the technical field of green plant irrigation. The technical solution thereof is matched with a special potted flower display rack, the two sides of the display rack have overlapping edges, including a trough body and two branch water inlet pipes, the two branch water inlet pipes are relatively fixedly installed on both sides of the top of the trough body, the internal structure of the trough body forms at least one display area, the overlapping edges of the display rack are supported on the branch water inlet pipes on each side, the display rack is integrally embedded in the trough body, a plurality of water outlet holes are evenly spaced on the branch water inlet pipes, the water outlet holes are located in the gap between the trough body and the display rack and are arranged toward the bottom of the trough. The advantages of the present invention are that the plants can be uniformly and quantitatively irrigated in a short time, and when the plant root system reaches a saturated state, there is no remaining fertilizer water and nutrient solution, and no water treatment is required.

The invention belongs to the technical field of stepped efficient functions, and discloses an oil field well head heating and deicing system and a using method.The oil field well head heating and deicing system comprises a solar heat collector and a well head heating cover, the well head heating cover is provided with a heat preservation shell, and well head equipment and fused salt heat storage equipment are arranged in the heat preservation shell; the fused salt heat storage equipment is provided with an inlet pipeline and an outlet pipeline; the solar heat collector is respectively connected with the inlet pipeline and the outlet pipeline through pipelines; the fused salt heat storage equipment is provided with a heat preservation layer. Heat storage fused salt is arranged in the heat preservation layer, and gaps are reserved between the heat storage fused salt and the top and the bottom of the heat preservation layer; a heat exchange pipeline is inserted into the heat storage fused salt, and the two ends of the heat exchange pipeline extend out of the top and the bottom of the heat storage fused salt correspondingly; the inlet pipeline extends into the top of the insulating layer, and the outlet pipeline extends into the bottom of the insulating layer. Fused salt energy storage equipment is used for being coupled with the solar heat collector, heat storage and heat dissipation are integrated, and long-term uninterrupted efficient heat exchange of the system without manual operation is achieved.

The utility model discloses amine liquid recovery equipment which comprises a tank body and a heat exchange pipe, and the tank body is provided with a first inlet used for adding an amine-containing solution, a second inlet used for adding a reaction material, a flushing opening and an amine liquid recovery opening. And the heat exchange pipe extends into the tank body and is spaced from the bottom of the tank body. An amine-containing solution is added into the tank body through the first inlet, alkaline reactants such as soda ash or caustic soda and the like are added into the tank body through the second inlet, the alkaline reactants and thermostable salt in the amine-containing solution are subjected to an acid-base neutralization reaction, active amine bound by the thermostable salt is released, and meanwhile acid radical ions and positive ions of alkali form sodium salt or sylvite. The heating low-pressure steam is conveyed to the heat exchange pipe, the heat exchange pipe extends into the tank body, the amine liquid in the amine-containing solution is evaporated through evaporation, the evaporated gas phase recycles the amine liquid through the amine liquid recycling port, the concentration of the amine liquid obtained through evaporation is high, and the absorption effect of acid gas can be ensured.

The utility model relates to the technical field of close planting type seeding trays, and discloses a close planting type seeding tray suitable for wide film furrow seeding, which comprises a tray body, the inner wall of the tray body is rotatably connected with a tray ring, the inner wall of the tray ring is slidably connected with a seed feeding box, the top of the seed feeding box is fixedly connected with a seeding assembly, and the seeding assembly is fixedly connected with a seeding hole. A disc cover is fixedly connected to the surface of the disc ring, a water tank is fixedly connected to the surface of the disc cover, and a water sprinkling assembly is connected into the water tank in a sleeved mode. According to the close planting type seeding disc suitable for wide-film furrow seeding, through the arrangement of the watering assembly, during seed throwing and seeding and when soil texture is dry, a water source is injected into a water tank, and a water pump is connected to an external power supply, so that the water pump pumps the water source in the water tank through a water pumping pipe, and the water source is sprayed out from a water drainage pipe and a spray head until the water source is sprayed to the soil; the purpose of watering the soil is achieved, it is guaranteed that the seeds in the soil absorb water, and therefore the purpose of improving the germination rate of the seeds is achieved.

The utility model belongs to the technical field of environmental protection, and particularly discloses a CVD sintering furnace acid gas tail gas treatment device which comprises a pipeline connected with the exhaust end of a sintering furnace, and a first filtering assembly, a cleaning assembly and a second filtering assembly are sequentially arranged in the length direction of the pipeline. The cleaning assembly comprises an oil washing part and a water washing part; the oil washing part comprises a mixing chamber and a separation chamber, the mixing chamber is used for mixing gas and oil, and the separation chamber is used for separating the gas and the oil; the washing part comprises a spray tower which is communicated with the pipeline; the spray tower is provided with a spray head; the spray header is used for spraying alkali liquor into the spray tower; the spray tower is provided with a pH sensor which is used for detecting the pH value of the alkali liquor. According to the utility model, particle filtration and multi-stage purification are realized, the safety of the device can be effectively improved, and the problems of easiness in corrosion, low protection effect and low treatment efficiency of equipment in the prior art are solved.

The invention relates to the related technical field of anastomats, in particular to a nail bin support cover for a cutting anastomat, which comprises a support cover, a nail bin is placed in the support cover, a buffer mechanism is arranged on the inner side surface of the support cover, and a sealing mechanism is arranged on one side surface of the support cover. According to the nail bin support cover for the cutting anastomat, through the arrangement of the containing groove, the moisture insulation plate, the first sponge mat, the containing plate and the second sponge mat, a nail bin is placed in the containing groove of the support cover, at the moment, the nail bin is placed on the containing plate on the inner side of the containing groove, and when the support cover is collided, the nail bin is placed on the containing plate; the first sponge mat and the second sponge mat buffer force borne by the staple cartridge, damage to the staple cartridge caused by too large borne pressure is avoided, when the support cover is placed, the moisture insulation plate on the inner side of the placing groove can keep moisture in the placing groove to be absorbed, and therefore it is guaranteed that the storage environment of the staple cartridge is dry.

The utility model relates to an acid gas absorption system in bromine production, and belongs to the technical field of inorganic chemical equipment. The system comprises an acid gas absorption tower, an alkali tank, an acid gas recovery tank and a circulating pump, the acid gas absorption tower and the acid gas recovery tank are connected with a gas inlet pipe A and a gas inlet pipe B respectively, a spraying pipe is arranged at the top of the acid gas absorption tower and connected with the alkali tank through the circulating pump, and the bottom of the acid gas absorption tower is connected with the alkali tank through a pipeline. The acid gas absorption device is simple in structure and convenient to operate, the technological process can be adjusted according to different acid gas conditions, and the working efficiency is improved while sufficient acid gas absorption is guaranteed.

The invention provides a substance deposition method based on a rough and uneven substrate. The method comprises the steps that the flatness of the substrate is obtained; coating a solution on the substrate, and controlling the coating position according to the flatness of the substrate so as to form a solution wet film within a first thickness range on the substrate; obtaining the thicknesses of different positions of the wet film; blowing the wet film, and controlling the blowing position, angle and flow velocity according to the thickness of the corresponding position of the wet film, so that the wet film forms a dry and wet film in a second thickness range; and performing crystallization treatment on the dry and wet film to enable the dry and wet film to form a dry film in a third thickness range. According to the substance deposition method based on the rough and uneven substrate, uniform deposition of the solution is achieved through closed-loop control of the coating process and closed-loop control of the blowing process, and therefore the crystallized dry film can form a thin film which is uniform in thickness and uniform in material basic element distribution; and thus, optical absorption and device performance are effectively ensured.

This application relates to the field of electric vehicle technology, and particularly to a battery life prediction method, device, server, and storage medium. The method includes: acquiring vehicle data that has reached a battery life degradation node; identifying basic vehicle attribute information and internal / external battery usage information from the vehicle data; establishing a first indicator dataset based on the basic attribute information and a second indicator dataset based on the internal / external battery usage information; assigning weights to the indicators in the second indicator dataset according to time stages, and training a first prediction model by combining the battery cycle count corresponding to the battery life degradation node; after training, associating the first indicator dataset with the first prediction model, and using the first prediction model to predict the vehicle's battery life. This solves the problem in related technologies where insufficient consideration of internal / external battery usage information leads to poor prediction accuracy when predicting battery life.

An efficient mineral separation device with a dust removal function comprises a dust removal device which is arranged above a vibrating screen body and provided with a damping device. The dust removal device comprises a dust removal box with a dust removal assembly at the top, cleaning assemblies are symmetrically arranged below the dust removal assembly and located in the dust removal box, collecting assemblies are symmetrically arranged on the left side and the right side of the dust removal box, and a dust suction opening is formed in the bottom of the dust removal box and located above the vibrating screen body. The damping device comprises a connecting plate, a rubber damping pad is arranged at the bottom of the connecting plate, a supporting plate is arranged on the top of the connecting plate, and a plurality of spring damping shock absorbers with connecting sleeves are arranged on the top of the connecting plate, the connecting plate is connected with the vibrating screen body, and the connecting sleeves are connected with the dust removal box. And dust generated when the dressed stone vibrates and the dressed stone is put into the vibrating screen body is effectively adsorbed, so that the dust is collected.

The invention discloses an oral medicine operation cleaning device which comprises a cleaning structure, and the cleaning structure comprises a distraction assembly, a guide rail assembly and a cleaning assembly. One end of the main pipe penetrates through the box body and the pressure adjusting structure, the pressure adjusting structure is located on the upper side of the cleaning liquid box and the upper side of the recycling box, and the filtering structure is located at the upper end of the interior of the recycling box; and the box body is fixedly connected to the upper end of the movable cabinet. Compared with the prior art, the device has the advantages that the device is clamped at the oral cavity of a patient through the distraction assembly, the steps of liquid spraying and liquid suction can be completed at the same time by installing the pressure adjusting device, the time of liquid staying in the oral cavity of the patient is greatly shortened, the position of the branch pipe can be adjusted by installing the guide rail, and the operation is convenient. Cleaning liquid can be sprayed to different positions in the oral cavity, and the possibility of dead corners is reduced.

The utility model provides a soil remediation device capable of enhancing the soil remediation effect, which relates to the technical field of soil remediation and comprises an integral structure and moving structures, and the moving structures are located at the front and back positions of the two sides of the bottom of the integral structure; the overall structure comprises a bottom plate and a supporting plate, during use, the water suction pump is firstly communicated with an external remediation liquid tank through a pipeline, soil can be poured into the barrel body through a feeding pipe, a first rotating shaft can rotate through a first servo motor while the soil is poured, and during rotation, the first rotating shaft can rotate through a second servo motor; a first smashing rod and a second smashing rod can be driven to rotate at the same time, the first smashing rod can conduct primary smashing on soil, the smashed soil can fall onto a filter screen, then secondary smashing is conducted through the second smashing rod, remediation liquid can be sprayed out through cooperation of a water suction pump, a connecting pipe and an annular pipeline while smashing is conducted, and therefore the remediation effect is achieved. And thus, the soil can be mixed with the remediation liquid for remediation while being smashed.

The utility model discloses a kind of deformation-preventing absorbent core and sanitary towel with it, wherein deformation-preventing absorbent core includes surface layer, water-repellent layer, diffusion layer and bottom layer, surface layer, water-repellent layer, diffusion layer and bottom layer are sequentially arranged and bonded from top to bottom, water-repellent layer is equipped with multiple through holes, through hole is penetrated in the upper and lower surfaces of water-repellent layer, diffusion layer is foamed material article.The utility model utilizes water-repellent layer and diffusion layer to multiple diffusion to liquid, can solve the problem of liquid accumulation, to reach the effect of preventing deformation.

The utility model discloses a specimen box capable of being safely stored, which belongs to the technical field of display equipment, comprises a box body and a box cover, and is characterized in that the box body comprises an outer box and an inner box, hinges are symmetrically arranged at the rear part of the outer box, the outer box and the box cover are fixedly connected with the hinges, a fixed buckle is arranged at the front part of the outer box, and the fixed buckle is fixedly connected with the inner box. An elastic buckle is arranged on the front portion of the box cover, a sealing gasket is fixedly arranged on the lower portion of the box cover, when the box cover is closed, the elastic buckle is connected with the fixing buckle in a clamped mode, the sealing gasket is attached to the outer box, and foot pads are fixedly arranged at the four corners of the lower portion of the outer box.

The utility model provides an auxiliary tool for bucket welding, which relates to the technical field of auxiliary tools for welding, and comprises a base and a blocking cover, the base is provided with a supporting assembly, the supporting assembly comprises a first supporting box and a second supporting box, the supporting assembly is provided with a clamping assembly, the clamping assembly comprises a rotating plate and a sixth motor, and the rotating plate and the sixth motor are arranged on the base. A rotating assembly is installed on the second supporting box and comprises a third motor and a fourth motor, and a lifting assembly is installed on the blocking cover and comprises a door plate and a first motor. According to the bucket welding auxiliary tool, strong light of the door plate can be transmitted outwards to protect eyes of surrounding personnel; the fan sucks smoke into the air duct through the air duct and the fan cover, harmful gas is purified through the filter screen and activated carbon, the smoke is prevented from flying outwards, the safety of the air environment and personnel is guaranteed, the filter screen is automatically cleaned according to reduction of airflow, the service life of the filter screen is guaranteed, and the filtering effect of the filter screen is guaranteed. The device is suitable for auxiliary fixing in bucket welding.

This utility model relates to the field of dust removal technology for rotary valves, and more particularly to a dust removal and feeding device, comprising a base, an mounting platform fixedly installed on the upper left side of the base via a support leg, an organic body inserted and fixedly installed on the upper right side of the mounting platform, a dust collection device inserted and fixedly installed on the upper outer surface of the organic body, the lower part of the dust collection device penetrating through the upper end of the mounting platform and extending to the top of the base, an L-shaped discharge pipe provided at the lower end of the organic body, and a sliding groove provided on the upper right side of the base, with a blowing mechanism slidably installed inside the sliding groove. The dust removal and feeding device of this utility model uses an electric push rod to adjust the position of the air pump so that the telescopic pipe and the L-shaped discharge pipe are precisely aligned and sealed. The air pump blows away residual dust inside the organic body in a directional manner, while the suction pump creates negative pressure in the dust collection box. The blown dust is absorbed from all directions by a ring array of dust collection heads and collected through a filter screen, avoiding environmental pollution and allowing for dust recycling.

The present invention discloses a method and device for purifying phosphorus-sulfur-containing malodorous gas. The reaction device is provided with two-stage absorption tanks. A 0.02-0.18 mol / L chlorine-containing solution is added to the first-stage absorption tank, and a constant direct current is passed to generate a strong oxidizing chlorine-containing active component in the absorption liquid. The malodorous gas containing phosphine and hydrogen sulfide is oxidized in the first-stage absorption tank and then sent to the second-stage absorption tank for alkaline solution absorption treatment. When the phosphine content in the outlet tail gas is detected to be higher than 0.3 mg / m 3 When the absorption liquid in the first stage absorption tank is discarded, 15-40% of the absorption liquid in the second stage absorption tank is taken to replenish the absorption liquid in the first stage absorption tank, and hydrochloric acid and chlorine-containing solution are added to the original state of the absorption tank. Similarly, the second stage absorption tank is replenished with an equal volume of the original absorption alkali solution. The technical method of the present invention is simple to operate and has low operating costs. It is suitable for the purification of phosphorus and sulfur tail gas such as landfill, sewage treatment, yellow phosphorus or acetylene production, and has a high efficiency purification effect on phosphine and hydrogen sulfide odor gases in different concentration ranges.

The utility model provides a power battery pack and a vehicle, and belongs to the technical field of automobiles, the power battery pack comprises a battery pack box body and a moisture absorption device; the moisture absorption device comprises an outer shell and a moisture absorption piece installed in the outer shell. The outer shell is arranged outside the battery pack box body and is detachably connected with the battery pack box body; a through hole is formed in the position, corresponding to the moisture absorption piece, of the battery pack box body, and the moisture absorption piece penetrates through the through hole to be located in the battery pack box body. According to the power battery pack, the moisture absorption part is located in the battery pack box body, water molecules in the battery pack can be absorbed, the moisture absorption requirement is met, the outer shell is detachably arranged on the outer side of the battery pack box body, the moisture absorption part can be replaced by disassembling the outer shell, and disassembly and assembly are convenient; the original sealing structure of the battery pack is not damaged, the internal humidity requirement and the sealing requirement of the battery pack can be simultaneously considered, and potential safety hazards are reduced.

The invention relates to the technical field of soilless culture, and particularly discloses a plant hydroponic device which comprises a box body with an opening in the top and a hydroponic box with an opening in the top, the hydroponic box is fixedly connected with the inner wall of the box body, and an oxygen supply opening is formed in the side wall of the box body; the cylindrical pipe is arranged in the water culture box, the oxygen supply mechanism is arranged in the cylindrical pipe, the side holes are formed in the water culture box, and the driving assembly is used for driving the cylindrical pipe to rotate. The cylindrical pipe is rotationally connected with the side hole; the oxygen supply mechanism comprises an oxygen supply pipe, an annular hollow pipe, a guide pipe, a movable pipe, a plurality of oxygen supply holes formed in the circumferential direction of the oxygen supply pipe, an oxygen through hole formed in the inner wall of the annular hollow pipe, an auxiliary hole formed in the cylindrical pipe and a power assembly used for driving the movable pipe to reciprocate in the length direction of the guide pipe. The problem that oxygen supply to roots of hydroponic plants is insufficient due to the fact that an existing hydroponic device cannot provide oxygen for the hydroponic plants in time is solved.

The present invention relates to the technical field of photovoltaic components, and specifically discloses a linkage-adjustable solar photovoltaic component assembly device and method, including a base frame, an adjustment frame and a mounting frame, wherein the top of the base frame is rotatably provided with an adjustment frame, and the top of the adjustment frame is fixedly provided with a support frame. The output shaft of the driving motor is used to control the rotation of the rotating shaft, and the two micro-electric cylinders inside the adjustment frame drive the arc-shaped clamping block to limit the connection between the adjustment frame and the rotating shaft, so that the adjustment frame can be synchronously turned and adjusted with the rotation of the rotating shaft, so that the photovoltaic panel can freely adjust its direction, and at the same time, the two flip motors inside the mounting frame are used to control the photovoltaic panel to adjust the angle inside the mounting frame, so that the photovoltaic panel inside the mounting frame can always be maintained at an angle that effectively absorbs light energy, effectively improving the absorption effect of the photovoltaic panel on light energy, and the surface of the photovoltaic panel is cleaned by a cleaning brush to ensure the cleanliness of the surface of the photovoltaic panel.

The invention provides an ultraviolet light transmission regulation and control composition, a packaging adhesive film, a preparation method of the packaging adhesive film and a photovoltaic module, and relates to the photovoltaic field. The ultraviolet light transmission regulating composition comprises the following components in parts by weight: 100 parts of matrix resin, 0.1 to 2.0 parts of an ultraviolet light transmission regulating agent, 0.2 to 1.5 parts of an initiator, 0.2 to 1.5 parts of an assistant crosslinking agent, 0.1 to 0.5 part of a tackifier and 0.1 to 0.5 part of a light stabilizer. The composition can be used for preparing a packaging adhesive film of a photovoltaic module, the ultraviolet cut-off wavelength of the composition can be adjusted between 310 nm and 340 nm, light causing damage to a battery can be fully blocked so that the light does not irradiate the front surface of the battery, light causing no damage to the battery can be transmitted as much as possible and absorbed by the battery, and the service life of the battery is prolonged. The problem of power attenuation of the photovoltaic module caused by ultraviolet irradiation can be improved.

The utility model belongs to the technical field of soilless culture, and particularly relates to a planting groove for soilless culture, which comprises a groove-shaped main body, a partition plate is arranged in the main body, and the interior of the main body is divided into an upper-layer planting part and a lower-side water collecting part by means of the partition plate. A water through hole for water to flow between the planting part and the water collecting part is formed in the partition plate, and a liquid drainage hole is further formed in the portion, located on the side wall of the water collecting part, of the main body. According to the planting groove, the partition plate is used for forming the separated double-layer design, the planting part is communicated with the water collecting part through the water through holes, it is guaranteed that plant roots can absorb water, meanwhile, water accumulation is prevented, redundant liquid in the water collecting part can be drained in time through the liquid drainage holes, and therefore a certain space is reserved for ventilation of the plant roots.