37results about How to "Speed up pooling" patented technology

The invention relates to a culture pond system realizing rotational-flow dirt collection. The culture pond system comprises a circular or a regularly polygonal pond body, wherein the center of the pond body is tapered downwards to a certain extent; a rotational-flow dirt-collecting device is arranged at the bottom of the pond body and is provided with a motor, the motor drives a horizontal supporting rod to rotate, and one end of the supporting rod is connected with a propeller; the distance from the propeller to the bottom of the pond body is smaller than 1 m; a supporting column is arranged below the motor and fixedly connected with a dirt collecting tank, the dirt collecting tank collects solid particles and is communicated with a bottom particle discharge pipe, and sewage is discharged out of the pond body through the bottom particle discharge pipe; a clean water discharge pipe is arranged on the side wall of the pond body, and a water inlet pipe and an aeration oxygenation pipe are arranged in positions near the side wall of the pond body; upper-layer clean water discharged through the clean water discharge pipe accounts for 80%-90% of the total amount of discharged water and flows back to the pond body through the water inlet pipe after being purified by a water purifying system; sewage discharged through the bottom particle discharge pipe accounts for 10%-20% of the total amount of discharged water.

The invention provides a collecting system of core gas in a natural gas hydrate drilling field. The collecting system comprises an air collector, a water bath thermotank, a vibration table and a gas collecting bottle, wherein the water bath thermotank is arranged on the vibration table; the air collector comprises a tank body and a tank body cover, wherein the tank body and the tank body cover are separable, and the tank boy is in seal connection with the tank body cover; and when the collecting system is adopted to collect the core gas, the tank body filled with a core sample is in seal connection with the tank body cover when the water bath thermotank is positioned in a constant temperature saturated salt water environment, and the gas collecting bottle is connected with a gas collecting outlet of the tank body cover under the constant temperature saturated salt water environment. The collecting system provided by the invention has the advantages that the processes of packaging the aquo-complex core sample, releasing the gas, collecting the gas, collecting gas in an oscillation manner and sealing and storing the gas are finished once, a series of pilot processes are simplified, and the work efficiency of gas collection is greatly improved.

The invention discloses an automatic exhaust gas removing device for attracting paint particles through static electricity to prevent clogging. The automatic exhaust gas removing device structurally comprises an air inlet pipeline, a searching cabinet, a clogging-preventing device, an air outlet pipe, support legs and a sewage discharging port. Through a negative high-voltage piece and conductionwires, a live ring and side wing blocks are charged with negative electricity, and thus oil paint liquid drops in exhaust gas penetrating through a rotational flow cavity and dust are charged with negative electricity; meanwhile, a positive high-voltage piece is electrified, so that a conduction attraction layer is charged with positive electricity, the oil paint liquid drops with large size and negative electricity are attracted to fit the outer surface of an anti-sticking thin film, the situation that the oil paint liquid drops and the dust are mixedly bonded and clog a filtering net is avoided, then electromagnets with the same magnetism are electrified to generate repulsive acting force, under the cooperation of resilience force of elastic ropes and strong springs, fixation blocks andconnecting pieces drive the anti-sticking thin film to be subjected to deformation moving, and the oil paint liquid drops fitting the outer surface of the thin film are helped to gather and drop intoa sewage storage groove; meanwhile, the electromagnets vibrate a rubber pad, and through via holes, the rubber pad promotes the deformation of the anti-sticking thin film, and gathering and dropping of the oil paint liquid drops.

The invention relates to a display panel and a preparation method thereof, and a display device. A barrier in the related display panel comprises an upper section and a lower section extending reversely with respect to the upper section; a cambered surface is formed at the end part, extending to the bottom of the groove, of the lower section; the display panel also comprises an opening area; the barrier dam is arranged around the opening area, and an included angle of more than 90 DEG is formed between the side wall and the bottom of the opening area. According to the display panel provided bythe embodiment of the invention, the moisture collection and diffusion area is significantly enlarged via the structure that the end part of the lower section is the cambered surface; meanwhile the barrier dam deeply stretches into a barrier layer, so that the invalid packaging caused by laser drilling is avoided through improving the forming mode of the opening area, and the water oxygen entrance path is further prolonged; the technology is simple, the cost is low, the water oxygen is effectively isolated, and the packaging effect is improved.

The invention belongs to the technical field of seepage prevention and stabilization of heavy metal tailings ponds, and particularly relates to a composite stable layer structure at the bottom of a heavy metal tailings pond and a construction method thereof. The composite stable layer structure sequentially comprises a self-cementing layer, a percolate guide and discharge layer and an inverted filter protection layer from bottom to top. The self-cementing layer is mainly prepared from the materials of a self-cementing material, superfine tailing sand, flexible fibers and the like. The percolate guide and discharge layer takes coarse particle ore sand formed by natural or mechanical separation and deposition as a matrix, water collecting blind ditches are arranged at certain intervals in the direction perpendicular to the axis of a dam, and the blind ditches are divided into an upper layer and a lower layer and are correspondingly filled with medium-particle-size and large-particle-sizeriver sand; meanwhile, slotted hole seepage discharge pipes are buried in the lower layer, and the end parts of the slotted hole seepage discharge pipes penetrate out of a tailing dam body; and the inverted filter protection layer is coarse particle ore sand formed by natural or mechanical separation and deposition. The material and thickness of each layer structure are matched with each other, and the composite stable layer structure at the bottom of the heavy metal tailings pond has the advantages of being good in anti-seepage effect, high in strength and toughness, capable of solidifying / stabilizing heavy metal to a certain extent, good in anti-clogging and guiding and discharging effect, high in economical efficiency and the like.

The invention relates to a collecting method of core gas in a natural gas hydrate drilling field. The collecting method comprises the following steps of: (1) step 1, cleaning a collected core sample in the drilling field and placing the cleaned core sample in an air collector, and fully filling saturated salt water and discharging air in the air collector under the thermostatic waterbath condition of an air chamber; step 2, selecting a gas collecting bottle the size of which is matched with the gas production rate of a core, and when the saturated salt water is filled in the thermostatic waterbath, connecting a bottle port of the gas collecting bottle with a gas collecting outlet of the air collector; and step 3, collecting release gas of the core sample under the gas condition set by the air chamber is in within the pre-set time, then screwing down a bottle cover of the gas collecting bottle under the thermostatic waterbath, and finishing the collection of the release gas of the core sample. The collecting method provided by the invention has the advantages that the processes of packaging the aquo-complex core sample, releasing the gas, collecting the gas, collecting gas in an oscillation manner and sealing and storing the gas are finished once, a series of pilot processes are simplified, and the work efficiency of gas collection is greatly improved.

The invention relates to the technical field of crop cultivation, in particular to a mulch-carrying straw returning and planting method of upland crops of loess plateau and applies to recycling of agricultural waste resources. According to a rotation planting method of multi-cropping spring corn and single-crop winter wheat, plants are grown on planting belts, straws are piled on non-planting belts for fermenting, land utilization rate is greatly increased, straw decomposing time is extended from the original 7 months to 19 months, and straw decomposition rate is greatly increased. The extended straw decomposing time helps improve soil fertility and decrease usage of chemical fertilizer. In addition, cyclic utilization of agricultural straw waste is greatly increased. The planting belts and the non-planting belts are fully mulched; seeding is carried out after mulching; returned straw temperature and water content are effectively increased, changes to the temperature and moisture in returned straw are decreased, and straw decomposition rate is further increased.

The invention provides a multi-temperature-range composite halide ammonia storage tank structure with a temperature range self-adaption function. The multi-temperature-range composite halide ammonia storage tank structure comprises an ammonia storage tank and a flue gas channel. The ammonia storage tank comprises a tank body shell (15) and unit pipes, and one or more unit pipes are arranged in theinner space of the tank body shell (15) in a penetrating manner. The flue gas channel comprises a flue gas inlet pipeline (1), a flue gas main pipeline upstream segment (2), flue gas branch pipes (19), a flue gas main pipeline downstream segment (9) and a flue gas outlet pipeline (10) which are connected in sequence. The flue gas branch pipes (19) are arranged in the unit pipes in a penetrating manner and are in one-to-one correspondence to the unit pipes. The space between the unit pipes and the flue gas branch pipes (19) is filled with an adsorption agent (11). According to the multi-temperature-range composite halide ammonia storage tank structure, the solid adsorption agent is adopted for storing ammonia gas, the problems of nozzle blocking, crystallizing and freezing generated by traditional urea solution ammonia storage are avoided, the manner of driving ammonia gas desorption through flue gas waste heat is adopted as the main manner, the problem of energy consumption of electric heating and circulating fluid heating of a traditional ammonia storage tank is avoided, and the complementary energy utilization rate is increased.

The invention discloses a neodymium iron boron magnetic powder block automatic crushing device and method. The device comprises a vibration dispersing mechanism, a mincing mechanism, an air blast recovery mechanism, a screening collection mechanism, a crushing mechanism, a detection mechanism and a controller. According to the device and method, neodymium iron boron magnetic powder blocks are vibrated and screened through the vibration dispersing mechanism, the neodymium iron boron magnetic powder blocks which are vibrated and screened are minced through the mincing mechanism, magnetic powderis blown to a recovery shell to be recovered through the air blast recovery mechanism, small powder balls and part of the magnetic powder can fall onto a second screen to be screened, the small powderballs can roll into a crushing shell from the second screen, the magnetic powder directly falls into a collecting barrel, the small powder balls can be further crushed under the rolling press actionof a roller set, a certain large magnetic blocks can also be crushed, and the magnetic powder can fall onto a conveying assembly and can be conveyed into the collecting barrel. According to the deviceand method, the crushing and screening efficiency can be improved, the utilization rate of magnetic materials can also be increased, the crushing effect of the neodymium iron boron magnetic powder blocks is improved, and the full-automatic circulation is achieved.

The invention discloses a biodegradable water-permeable mulching film ridge back microgroove multi-row mechanical film-mulching and sowing method and aims to solve the problem of efficient utilizationof drizzle resource and nutrient by dry land in semiarid areas and the problem that full-biodegradable mulching films are too fast in breaking and disintegrating in the crop seedling period. The method includes: making a steel roller compacting and shaping module which is structurally characterized in that a cylindrical steel roller is mounted on a steel shaft in a sleeved manner, and steel ringsfor fixing the steel roller sleeve two sides of the steel roller; mounting a ditching disc at a position, corresponding to the middle of a sowing ground ridge back, of a front crossbeam of a rack ofa film-mulching sowing machine, connecting two ends of the steel shaft at positions, 150mm away from the rear end, of longitudinal beams on two sides of the rack of the film-mulching sowing machine through hanging plates in a hanging manner, and enabling the ditching disc and the steel roller to be on a same straight line; starting the film-mulching sowing machine to work, wherein the ditching disc forms a microgroove in the middle of each ridge back, the steel roller rolls along the microgroove in the middle of each ridge back to compact and shape to form a ridge back microgroove, the ridge back microgrooves and planting ditches form a wavy rain collection terrain, and then the machine automatically completes film mulching, earthing and punch dibbling processes.

The invention relates to the technical field of crop cultivation, in particular to a loess plateau corn and wheat rotation planting method, and is applicable to recycling of agricultural waste resources. According to the researched and developed rotation planting method of spring corn matched with winter wheat, a plant belt is used for cultivating plants, a non-planting belt is used for stacking and fermenting straws, land utilization rate is greatly increased, the decomposition time of the straws is prolonged to twelve months from original seven months, the decomposition rate of the straws isgreatly increased, soil fertility is increased by prolonging the decomposition time of the straws, use of chemical fertilizers is decreased, and recycling of straw agriculture waste resources is greatly improved. According to the researched and developed method, the applying amount of a phosphate fertilizer can be reduced by 59%, the applying amount of a nitrogen fertilizer can be reduced by 40%,the yield of the wheat and the corn is obviously increased, the contents of soil organic matters, total nitrogen and rapidly available potassium are obviously increased, and soil fertility quality isimproved. Straws of the wheat and the corn are completely crushed and then returned to fields, the straws are effectively treated, and the possibility of environmental pollution caused by straw burning is completely avoided.

The invention relates to a dust-separation anti-explosion lamp. the dust-separation anti-explosion lamp comprises a base and a lamp body; the periphery of the lamp body is wrapped with an anti-explosion curtain made of good heat conducting materials; the upper end of the anti-explosion curtain is fixed to the base, and the lower end of the anti-explosion curtain is connected and sealed through an evaporation net; a driving rotating disc is further mounted on the base and driven by a micro driving motor; a dust-separation cover is further mounted on the driving rotating disc, and dust-separation wires are evenly distributed on the lower edge of the dust-separation cover in the circumferential direction; the lower ends of the dust-separation wires are fixedly connected to a dust collecting disc; the dust collecting disc is rotatably connected with the evaporation net; and a water supplementing cavity is further fixedly mounted above the dust-separation cover, and liquid in the water supplementing cavity is communicated with the dust-separation cover and the dust-separation wires. The anti-explosion lamp is novel in structure, the temperature and the dust concentration around the lamp body can be effectively reduced, and the phenomenon that the lamp body induces dust explosion is completely eradicated in a more-insurance manner.

The invention provides a pneumology department patient coughed-out object collecting and infection preventing device, relates to the technical field of medical instruments, and solves the problems that through structural improvement, when a cover plate is opened, vibration collection of coughed-out objects cannot be synchronously achieved, sliding type disinfection cannot be synchronously achieved, and an independently-opened type disinfection lamp does not need to be switched on. The pneumology department patient coughed-out object collecting and infection preventing device comprises a box body. A base is installed on the box body, and a cover plate structure is welded to the box body. A sliding rod B is connected to the cover plate in a sliding manner, and a baffle ring is welded to thesliding rod B; the sliding rod B is sleeved with an elastic piece B, and the elastic piece B forms an elastic pushing structure of the sliding rod B; the head end of the sliding rod B makes contact with a baffle A. The head end of the sliding rod B is of a semispherical structure. When the cover plate slides, the head end of the sliding rod B makes contact with the protrusion, so that vibration ofthe baffle A can be achieved when the cover plate slides, and then vibration falling of a coughed-out object on the baffle A is achieved.

The invention relates to the technical field of drainage, and discloses a siphon rainwater hopper for building drainage. The siphon rainwater hopper comprises a grid cover, a hopper body, a reverse vortex device and a water outlet short pipe; the grid cover and the hopper body are fixedly installed at the upper end and the lower end of the reverse vortex device respectively, and the water outlet short pipe fixedly sleeves the lower part of the hopper body; and the reverse vortex device comprises a reverse vortex outer cover, the anti-vortex outer cover is in an annular column shape, partitionplates are welded to the inner wall of the reverse vortex outer cover, a movable hopper disc is arranged inside the reverse vortex outer cover, and the movable hopper disc slides up and down along theouter walls of the partition plates. According to the siphon rainwater hopper for building drainage, through up-down movement of the movable hopper disc, the size of a gap for rainwater to enter therainwater hopper can be automatically adjusted according to the amount of rainwater, so that the gap only allows the rainwater to pass through, air carried and wrapped by flowing rainwater cannot enter the siphon rainwater hopper, the amount of air entering the rainwater hopper along with the rainwater is reduced, and thereby the formation of siphon effects is promoted.

The invention belongs to the field of dust collectors, and especially relates to a centrifugal vortex electrostatic dust collector. The dust collector comprises a cylindrical shell which is verticallyarranged. Water is contained in the shell, the upper end of the shell is fixedly connected with an air inlet pipe. A conducting strip is fixedly connected in the air inlet pipe. The side wall of theair inlet pipe is fixedly connected with a plurality of shunt pipes. The lower end of the shunt pipe extends into the shell. An exhaust pipe is arranged at the upper end of the shell. The side wall ofthe shell is fixedly connected with an electrostatic generator. A mounting base is fixedly connected to the center of the bottom of the shell, an eccentric spring is fixedly connected to the upper end of the mounting base, a cylindrical sputtering block is fixedly connected to the upper end of the eccentric spring, the output ends of the flow dividing pipes correspond to the sputtering block, andthe sputtering block is electrically connected with the mounting base through the eccentric spring. By arranging the sputtering block and a plurality of flow dividing pipes, airflow can impact the sputtering block from multiple directions, dust is fully diffused, the contact area with water is increased, and the dust collecting effect is improved.

The invention discloses an automatic crushing device for neodymium-iron-boron magnetic powder blocks, and a crushing method of the automatic crushing device. The automatic crushing device comprises avibratory dispersing mechanism, a mincing mechanism, a blown air recycling mechanism, a screening and collecting mechanism, a crushing mechanism, a detecting mechanism and a controller. According to the automatic crushing device disclosed by the invention, the vibratory dispersing mechanism is used for implementing vibratory screening on the neodymium-iron-boron magnetic powder blocks; the mincingmechanism is used for mincing the neodymium-iron-boron magnetic powder blocks which are subjected to vibratory screening; the blown air recycling mechanism is used for blowing magnetic powder into arecycling housing so that the magnetic powder can be recycled; while small powder clumps and some magnetic powder fall onto a screen to be screened; the small powder clumps roll from the screen into acrushing housing; the magnetic powder directly falls into a collection bucket; the small powder clumps are further fragmented under rolling of a rolling wheel unit; meanwhile some large magnetic blocks are also crushed; and the magnetic powder falls onto a conveying component and are conveyed into the collection bucket. The automatic crushing device disclosed by the invention can improve the crushing and screening efficiency, can also increase the utilization rate of a magnetic material, improves the crushing effect on the neodymium-iron-boron magnetic powder blocks and realizes full-automatic circulation.

The invention discloses a sewage solid-liquid separation device which comprises a shell communicated with a water outlet pipe; a filter cartridge which is arranged in the shell, wherein a gap is formed between the outer wall of the filter cartridge and the inner wall of the shell, filter holes are formed in the side wall of the filter cartridge, and the water inlet pipe penetrates through the shell and is communicated with the filter cartridge; stirring blades which are arranged in the filter cartridge and can rotate, wherein brushes are arranged on the edges of the stirring blades and can touch the inner wall of the filter cartridge. The device has the beneficial effects that the water inlet pipe is communicated with the filter cartridge, and the stirring blades are arranged in the filter cartridge so that sewage can flow into the filter cylinder, and water flow is driven by the stirring blades to generate a vortex effect so as to be in a rotating state, gravel can be promoted to be collected in the sand hopper under the hydraulic action, and scum is intercepted by the filter cylinder, the sewage penetrates through the filter holes in the filter cartridge and is discharged by the water outlet pipe, and thus the scum and the sand are separated from the water; the brushes can touch the inner wall of the filter cartridge, so that the inner wall of the filter cartridge can be cleaned, and filter holes can be prevented from being blocked.

The invention relates to an aluminum electrolysis cell, in particular to an aluminum electrolysis cell with current intensity above 60kA. The aluminum electrolysis cell comprises a cell shell, a lining and an upper structure. The upper structure is provided with anode carbon blocks. Feeding points are arranged among the anode carbon blocks. Part or all of cathode carbon blocks is immersed in aluminum liquid. The level of most aluminum liquid in the electrolysis cell is below the upper surface of cathode carbon blocks. By adopting the structure, the invention has the advantages that, on one hand, since the cathode carbon blocks stop the flowing of the aluminum liquid caused by magnetic fields, the fluctuation of the level of the aluminum liquid of the electrolysis cell is reduced, the stability of the electrolysis cell is improved, the production of the interelectrode aluminum liquid-electrolyte interface is realized under the condition of small fluctuation, the current efficiency is improved and the direct current power consumption is greatly reduced; and on the other hand, since the contact area between the aluminum liquid and the cathode carbon blocks is increased, the voltage drop between the cathode carbon blocks and the aluminum liquid is reduced, and thereby the voltage drop of the cathode is reduced and the electric energy utilization ratio is improved.

The invention discloses a water retention method of a sand farmland, and belongs to the technical field of sand soil reclamation. The water retention method of the sand farmland comprises the following specific steps of: carrying out surface soil in-situ stripping, drilling holes for making pits, placing anti-seepage bags, and coating with a film around the holes for gathering water. The measures of drilling holes for making the pits, carrying out anti-seepage bag plantation and coating with the film around the holes are combined, a soil profile space structure of which the underground local water-resisting layer is coupled with ground surface local gathered water is formed in a dry farming farmland, while seepage of rainfall to deep soil is reduced, the rainfall is gathered to a crop plantation area, gathered rainwater is centralized and stored in a middle lower soil layer around a root system so as to be favorable for reducing ground surface evaporation and guaranteeing a crop water need requirement during drought, so that crop yield reduction amplitude caused by the drought is reduced, a better water retention and fertilizer maintenance effect is realized, meanwhile, all adopted materials are degradable materials, and solid waste, including straws and the like, can be effectively utilized.

The invention discloses a multifunctional integrated oil-mud-water separation device, which comprises a bottom plate, wherein the top end of the bottom plate is fixedly connected with a device shell, and the interior of the device shell is fixedly connected with an oil separation tank. The device shell is arranged, the oil separation tank is arranged in the device shell, a piston is slidably connected to the inner side of the oil separation tank, sewage in the oil separation tank is centrifuged through a centrifugal rotating disc on the inner side of the piston, collection of oil in the sewage is accelerated, and finally the oil enters the oil separation tank through an oil discharge pipe under pushing of the piston, so that separation of an oil layer is accelerated, and the oil separation efficiency is improved; and an electric valve is arranged, after the oil layer is separated, the electric valve at the bottom end of a blow-off pipe is opened, sewage obtained after oil separation in the oil separation tank enters a mud-water separation box through a blow-off hose and a connecting pipe, mud and water are separated through a filter pressing membrane plate in the mud-water separation box, and then the mud-water separation effect is achieved.

The invention discloses novel ceramic material calcination preparation equipment and preparation method. The novel ceramic material calcination preparation equipment comprises a calcining kettle, a motor, an inner barrel, a transverse frame, a material containing bottom plate and an exhaust pump; a feeding valve is fixedly installed on the left side of the top of the calcining kettle; the feedingvalve is connected with an air guide pipe in a penetrating mode; moreover, the motor is fixedly mounted at the center of the bottom of the calcining kettle; the output shaft end of the motor is fixedly connected with a spiral shaft and a side bracket, and both the spiral shaft and the side bracket are located inside the calcining kettle; a fire jet head and the calcining kettle are connected in abearing-mounted penetrating mode, and a feeding inlet of the fire jet head is connected with an air inlet pipe through a sealing bearing; and the inner barrel is located outside the spiral shaft in the calcining kettle. According to the novel ceramic material calcination preparation equipment and preparation method, continuous and repeated calcination and damage of raw materials can be implemented, the calcination efficiency and comprehensiveness of the raw materials are improved, and waste heat in calcination can be recycled so as to achieve the effect of resource recycling.

A biodegradable permeable plastic film ridge back micro-groove multi-row mechanical film-covered seeding method, the purpose is to solve the problem of high-efficiency utilization of light rain resources and nutrients in dry land in semi-arid areas and the rapid rupture and disintegration of fully biodegradable plastic film at the seedling stage of crops; the present invention Invented first to make a steel roller suppression shaping module, its structure is to put a cylindrical steel roller on the steel shaft, steel rings for fixing the steel roller are set on both sides of the steel roller; A ditching disc is installed at the corresponding position in the center of the ridge on the sowing ground. Both ends of the steel shaft are hung on the two sides of the film planter frame at a distance of 150mm from the rear end of the longitudinal beams on both sides of the film planter frame through hanging plates. The ditching disc and the steel roller are located on a straight line; Start the operation of the film-laying seeder, open a micro-groove at the center of each ridge back with the ditching plate, roll and suppress the steel roller along the central micro-groove of each ridge back to form a ridge-back micro-groove, and the ridge-back micro-groove and planting ditch form a wavy set Rainy terrain, and then, the machine automatically completes the process of film laying, soil covering, and hole drilling.

The invention relates to the technical field of drainage, and discloses a siphon rainwater bucket for building drainage, which includes a grille cover, a bucket body, an anti-vortex device and a short water outlet pipe, and the grille cover and the bucket body are respectively fixed and installed on the anti-vortex device The upper and lower ends of the upper and lower ends, the short water outlet pipe is fixedly sleeved under the bucket body, the anti-vortex device includes an anti-vortex cover, the anti-vortex cover is in the shape of a ring column, and the inner wall of the anti-vortex cover is welded with a partition, The inside of the anti-vortex cover is provided with a movable bucket, and the movable bucket slides up and down along the outer wall of the partition. The invention can automatically adjust the size of the gap for rainwater to enter the rainwater bucket according to the amount of rainwater through the up and down movement of the movable bucket plate, so that the gap can only allow rainwater to pass through, and the air carried by the flow of rainwater cannot enter the siphon rainwater bucket , to reduce the amount of air entering the rain bucket with rainwater, thereby promoting the formation of the siphon effect.

The invention relates to a device for measuring trace sediment in water by Raman spectroscopy and a method for using the device. The device includes a container, the lower part of the container is conical in shape with a thick top and a thin bottom, and a heating mechanism is arranged on the outside of the upper part of the container. A cooling mechanism is provided in the middle of the container, and the water sample to be tested is filled in the container. The heating mechanism and the cooling mechanism make the water sample to be tested convective, promote the formation of sediment, and gather at the bottom of the container, the container The lower end is connected with the probe of the Raman spectrometer to realize the online analysis and detection of the sediment in the water sample to be tested. Compared with the prior art, the device has the advantages of simple structure, low cost, good safety, and good mobility, and can be directly used in combination with a portable Raman spectrometer, starts quickly when used, and can be applied to accident site sampling, detection and analysis.

The invention discloses a spray drying device for Relinqing tablets. The spray drying device comprises an atomizing drying tank, an airlock, a mother liquor tank, an exhaust structure and a high-speedcentrifugal atomizer, the airlock, the mother liquor tank and the exhaust structure are in communication with the lower end of the atomizing drying tank, the high-speed centrifugal atomizer is fixedly mounted at the upper part of the inner side of the atomizing drying tank, the side wall of the columnar part of the atomizing drying tank is of a double-layer structure, a heat pipe is fixedly arranged in a cavity between the two layers of side walls of the atomizing drying tank, an exhaust port of an air blower fixedly installed on the side wall of the atomizing drying tank is in communicationwith the cavity, a plurality of air ports are formed in the inner layer wall of the atomizing drying tank, the air ports formed in the upper portion of the columnar part of the atomizing drying tank are obliquely upwards formed, and the air ports formed in the lower portion of the columnar part of the atomizing drying tank are obliquely downwards formed. The invention discloses a spray drying method for Relinqing tablets. According to the spray drying device and the spray drying method for the Relinqing tablets, through the updating design of a hot air input structure, the drying effect is enhanced, concentration is prevented from adhering to the inner wall, the processing efficiency is guaranteed, and the practicability is higher.

The invention discloses a robust beamforming method based on a frequency-controlled distributed electromagnetic vector sensor, which belongs to the technical field of frequency-controlled distributed electromagnetic vector sensor array radar, and includes specific design steps for FD-DEMVS and a robust method based on variable diagonal loading. Beamforming method. Compared with the traditional minimum variance distortion-free method, the array output SINR of the present invention is improved, which effectively improves the array performance; in addition, the FD-DEMVS proposed by the present invention is compared with the compact FD-EMVS, and the beam formed by it is due to the FD ‑DEMVS has a larger aperture and better resolution, so the present invention has the feature of concentrating higher energy in a given area.