184results about How to "Guaranteed pure" patented technology

The invention provides a water electrolysis hydrogen production system and a control method thereof.The water electrolysis hydrogen production system comprises a water tank, a heat exchanger, an electrolytic bath and a hydrogen-water separator which are sequentially connected through a pipeline, and further comprises a water quality optimization branch, a water inlet end and a water outlet end of the water quality optimization branch communicate with the water tank; the system further comprises a branch variable frequency pump and a resin tank; the first drainage valve is arranged on a drainage pipeline communicated with the drainage port of the water tank; an inlet conductometer and an anode thermometer to detect a first real-time conductivity and real-time temperature of liquid entering the anode input end of the electrolytic cell; the outlet conductivity meter is used for detecting the second real-time conductivity of fluid flowing out of the oxygen output end of the electrolytic bath, and controlling the operation of the branch variable frequency pump and the opening and closing of the drain valve according to the first real-time conductivity, the real-time temperature and the second real-time conductivity; the problem that the service life of an electrolytic cell is short due to the water quality problem of a water electrolysis hydrogen production system in the prior art is solved.

The invention discloses a classroom teaching behavior analysis method and system based on semantic understanding, and relates to the technical field of education assistance, and the method comprises the steps: configuring the audio proportion of each teaching link according to the audio data importance and link properties of the teaching links, and considering the teaching properties and the audio data importance, the audio proportions under different teaching links are standardized, and a reliable basis is provided for follow-up teaching behavior analysis. Audio separation in a multi-audio mixed signal segment is carried out through ICA processing parameters and an ICA method, and two text types of a double-object language text and a single-object language text are identified through timestamps between independent language texts and semantic coherence indexes. According to the double-object language text, the single-object language text, the audio proportion and other voice contents, the classroom teaching quality of classroom teaching is analyzed, other voice contents, dialogues and uniqueness are analyzed to accurately analyze the situation of classroom teaching behaviors, and the adaptability and precision of classroom teaching behavior analysis are improved.

The invention discloses a shock wave heat loading high-temperature wind tunnel and a test method, and relates to the technical field of high-temperature wind tunnel test equipment. The shock wave heat loading high-temperature wind tunnel comprises a shock tube, a wind tunnel test system, a pressure acquisition system and an air intake and exhaust system; a high-temperature and high-pressure gas source is obtained in a secondary shock wave reflection heating mode, and the total temperature of the obtained heating gas source is higher; the high-temperature wind tunnel realizes gas heating and pressurization completely through shock wave flow, extra electric power and gas requirements are not needed, and the cost of a single test is lower; the high-temperature wind tunnel test gas is premixed, so that the components of the test gas can be accurately controlled, and the purity of the components of the test gas is ensured; the device can obtain a high-temperature high-pressure subsonic flow field and even a supersonic flow field covering wide-range working conditions, can be used for visualization test diagnosis of spray fuel atomization and spontaneous combustion processes under high-temperature crosswind, accurately characterizes physical and chemical characteristic parameters such as fuel atomization characteristics, self-ignition characteristics, flame propagation characteristics and the like, and has a wide application prospect. And test data support is provided for engine combustion chamber spray atomization combustion organization.

The utility model belongs to the technical field of water purifiers, particularly relates to an integrated water purifier with a composite filter element, and aims to solve the problems that the existing water purifier with the composite filter element is complicated in structure and tedious in installation, the filter element is inconvenient to replace, the maintenance cost is high and the like. The water purifier main body is composed of a first filtering part, a second filtering part and a third filtering part, the first filtering part, the second filtering part and the third filtering part are fixedly connected in sequence, a filter element is arranged in the first filtering part, the filter element is made of PP cotton, and activated carbon is arranged in the second filtering part. According to the integrated composite filter element water purifier, impurities, bacteria and viruses in water are effectively removed through a multiple filtering technology, the water quality is ensured to be pure, the detachable movable cover design enables the filter element to be replaced easily and rapidly, the maintenance cost is reduced, the installation process is simplified through the combined design of the installation support, and meanwhile the stability of the water purifier is ensured.

A household fruit wine fermentation device relates to the technical field of fermentation and comprises a tank body, a sealing cover is arranged at the top of the tank body, a stirring mechanism is mounted in the middle of the sealing cover, the sealing cover comprises an upper sealing plate, a center hole is formed in the middle of the upper sealing plate, the stirring mechanism comprises a center shaft, the center shaft is rotatably connected in the center hole, and the center shaft is connected with the bottom of the tank body. A rotating disc is arranged at the upper end part of the central shaft, a stirring shaft is in threaded connection with the lower end part of the central shaft, a plurality of stirring teeth are arranged on the stirring shaft, and a filtering cover is arranged in the tank body. According to the utility model, the detachable stirring shaft provides a flexible stirring mode, and the one-way exhaust valve ensures the safety in the fermentation process; the thermometer and the alcoholic strength sensor provide real-time fermentation data monitoring for a user; the transparent material of the tank body is convenient for a user to observe and manage; the effective filtration of the filter cover ensures the purity of the fruit wine, and the stability design of the filter cover further improves the user experience.

The invention discloses a device and a method for extracting lithium sulfate in salt lake brine, and relates to the field of lithium sulfate production process, the device comprises a treatment tank, an upper cover for sealing is arranged at the top of the treatment tank, a supporting frame for supporting is arranged outside the treatment tank, and the device further comprises a filtering part for filtering a solvent, a filter plate is cleaned through an upper scraping assembly and an ejection assembly in the cleaning mechanism, filtered materials are discharged into a collecting barrel through a feeding port to be discharged, the filter plate is rotated into the cleaning mechanism, the situation that the filtered materials penetrate through the filter plate due to scraping of the filtered materials in the cleaning and filtering process is avoided, and the purity of filtered liquid is guaranteed; and in the cleaning process, filtering is not affected, and equipment does not need to be paused for cleaning.

The invention discloses a welding process control method for a W-shaped structure of a light aviation radiator. The welding process control method comprises the following steps that a gas collecting hood, a connector pipe nozzle, a corrugated plate and a barrel are subjected to positioned welding; the inner cavity of the corrugated plate and the inner cavity of the gas collecting hood are sealed; high-purity argon is introduced from the position of a connector pipe nozzle, an argon detector is connected to the far end of the corrugated plate to detect the purity of argon in an inner cavity of the corrugated plate, a welding gun dragging cover is placed at a weld joint after the purity reaches the standard, then a transparent ceramic nozzle is installed on one end face of the welding gun dragging cover, and a gas blocking and heat absorbing tool is installed on the corrugated plate; in addition, argon is introduced to protect the welding seam area on the back face of the barrel; welding parameters are adjusted, welding of the welding seam of the W-shaped structure is carried out, and after welding is finished, welding is stopped for 15 seconds or above, and various protection tools can be disassembled. Through the control method, the material embrittlement problem in the welding process is solved, and the product stability is improved.

The embodiment of the invention discloses a voice processing method and device, equipment, a medium and a program product. The method comprises the following steps: acquiring aliasing voice data to be segmented; acquiring reference voice data of a specified object in the at least two objects; extracting voiceprint characteristics of a specified object from the reference voice data, and segmenting voice signals matched with the voiceprint characteristics of the specified object from the aliasing voice data based on an attention mechanism; and generating a voice file of the specified object based on the voice signals obtained by segmentation. By adopting the embodiment of the invention, the pure voice signal of any specified object can be segmented from the aliasing voice data.

The utility model belongs to the technical field of sampling, and particularly discloses a soil sampling device which comprises a tubular sampling barrel with a drill bit at one end, a rod body, a plurality of samplers and a driving part, a plurality of through holes are formed in the sampling cylinder in the axial direction; the rod body is coaxially arranged in the sampling cylinder, the first end of the rod body is coaxially and rotatably connected with the tip of the sampling cylinder, and the second end extends out of the open end of the sampling cylinder; the plurality of sampling devices are arranged on the rod body and correspond to the plurality of through holes, and each sampling device can extend out of the corresponding through hole; the driving part is respectively connected with the open end of the sampling cylinder and the second end of the rod body. The sampling barrel is driven by the driving component to enter a soil body, so that the drilling burden of an operator is greatly relieved, and the sampling efficiency is improved. The sampling cylinder enters a soil body, the plurality of sampling devices are arranged along the axial direction of the sampling cylinder, and penetrate through the through holes formed in the sampling cylinder, so that soil samples of different soil layers are collected at one time, and the sampling efficiency is greatly improved.

This utility model relates to a casting system for a molding line, including a main gating cavity, a horizontal gating cavity, a vertical gating cavity, a connecting gating cavity, a riser cavity, and a filter. The vertical gating cavity has a pouring cup cavity at its upper part. One end of the connecting gating cavity is connected to the lower part of the vertical gating cavity, and the other end is connected to one end of the main gating cavity. One end of the horizontal gating cavity is connected to the other end of the main gating cavity and is vertically arranged. The other end of the horizontal gating cavity is connected to one side of the riser cavity, and the other side of the riser cavity is connected to the casting product. The connecting gating cavity has a chamber for accommodating the filter. The two side walls of the chamber along the extension direction of the main gating cavity extend upwards at an angle away from the vertical gating cavity from their respective bottoms to their tops. In the system provided by this utility model, the force of the molten iron flow causes the filter to adhere tightly to the bottom and side walls of the chamber, ensuring the purity of the molten iron. Simultaneously, the turbulent molten iron becomes laminar flow after passing through the filter, and its velocity is reduced, minimizing slag porosity defects.

The invention provides a liquid floated gyroscope signal conversion circuit, conversion device and conditioning conversion method, and the conversion circuit comprises a differential amplification circuit, a phase-sensitive demodulation circuit, a DC amplification filter circuit, an AC output circuit, an anti-reverse connection filter circuit and a secondary power supply circuit. The phase-sensitive demodulation circuit and the direct-current amplification filter circuit are used for performing phase demodulation and conditioning processing on the gyro output signal, outputting a direct-current output signal which is used for measurement of signal acquisition equipment and has small scale factor discreteness, independently performing voltage following processing on the gyro output signal, and outputting an alternating-current output signal; the alternating current signal and the direct current signal are output in parallel and do not influence each other, so that the output signal of the gyroscope body is truly restored, the signal output quality is improved, and the testing efficiency of measuring the angular rate of rotation of the carrier along the gyroscope sensitive axial direction by applying the liquid floated gyroscope is greatly improved.

The utility model discloses an oxygen separation and purification device. The oxygen separation and purification device comprises an oxygen separation and purification mechanism and an oxygen inhalation assembly, the oxygen separation and purification mechanism comprises an oxygen purification tank, one end of the oxygen purification tank is fixedly connected with an air inlet pipe through a bolt, and one end of the air inlet pipe is fixedly connected with a first connecting disc through welding; the dust removal net moves back and forth, and dust on the dust removal net is cleaned through the first brush plate and the second brush plate, so that air flow blockage caused by the fact that the dust removal net adsorbs a large amount of dust can be avoided, the influence on oxygen separation and purification is reduced, and maintenance personnel can easily carry out cleaning and replacement work; and excessive dust can increase the running resistance of the fan box, so that the energy consumption is increased and the efficiency is reduced, and efficient running of the system can be maintained by regularly cleaning the dust removal net.

The utility model discloses a uniform flow field hard alloy anodic oxidation device which comprises a tank body and oxidation anodes, the oxidation anodes are installed on two side plates of a tank chamber of the tank body, a liquid homogenizing cavity pore plate and a backflow cavity pore plate are fixedly installed at the front end and the rear end of the tank chamber of the tank body respectively, and an adjusting pore plate is adjustably installed on the liquid homogenizing cavity pore plate; the liquid uniformizing cavity pore plate and the end plate at the corresponding end of the tank body define a stirring and liquid uniformizing cavity, and a stirrer is arranged in a cavity body of the stirring and liquid uniformizing cavity; a backflow cavity is defined by the backflow cavity pore plate and an end plate at the corresponding end of the tank body, and the backflow cavity leads to the stirring and liquid homogenizing cavity through a circulating pipeline; and a movable anode scraping plate is arranged on the oxidation anode. The liquid uniformizing holes in the liquid uniformizing cavity pore plate correspond to the liquid uniformizing adjusting holes in the adjusting pore plate in a one-to-one mode, and the adjusting pore plate is adjustably installed on the liquid uniformizing cavity pore plate through pore plate adjusting bolts. The device can form a stable liquid flow field in the tank, ensures uniform distribution of metal ions, and is particularly suitable for precise anodic oxidation treatment of hard alloy.

The invention relates to the technical field of chemical sampling, in particular to a bottle cap assembly and a chemical online sampling device and method. The chemical online sampling device comprises a device body, a working cavity is formed in the device body, the working cavity is sequentially provided with a sampling operation area, a sampling area and a waste liquid collecting area from top to bottom in the height direction, a sampling bottle is arranged at the sampling area, and a bottle cap assembly is arranged at the sampling bottle. According to the invention, the sampling efficiency of chemicals is improved, and the sample is prevented from being polluted by the external environment, so that the accuracy of chemical sample determination is better improved, and the method can be applied to preparation and experiments of high-purity chemicals.

The invention belongs to the technical field of semiconductors, and particularly relates to a method for reducing dark current of an aluminum gallium nitrogen ultraviolet photoelectric detector, which comprises the following steps: immersing a pre-cleaned sapphire substrate in a mixed solution for oxidation etching, the solution being a mixed solution of an oxidizing agent and an etching agent; the etched sapphire template is taken out, washed for a period of time and dried; transferring the dried sapphire into hydride vapor phase epitaxy equipment, keeping for a period of time at high temperature in a mixed atmosphere, and then epitaxially growing an aluminum-gallium-nitrogen epitaxial layer to form an aluminum-gallium-nitrogen / sapphire template; and preparing the ultraviolet photoelectric detector on the aluminum gallium nitride / sapphire template through ultraviolet lithography and electron beam evaporation processes. The method provided by the invention can effectively remove silicon pollutants at the growth interface of aluminum gallium nitrogen and sapphire and reduce interface leakage current caused by silicon impurities, so that the dark current of the aluminum gallium nitrogen ultraviolet photoelectric detector is remarkably reduced.

The utility model discloses a solar photovoltaic power generation panel cleaning device, relates to the technical field of solar panel cleaning, and provides the following scheme aiming at the problem of certain water resource waste caused by neglecting the possibility of water flow reutilization in the existing cleaning process: the solar photovoltaic power generation panel cleaning device comprises a bracket, an adjusting mechanism is arranged in the arc-shaped groove, a photovoltaic panel is arranged in the middle of the upper portion of the adjusting mechanism, the upper end of one side of the support is connected with a cleaning mechanism, the cleaning mechanism is used for cleaning the surface of the photovoltaic panel, a water collecting mechanism is arranged in the middle of the lower portion of the other end of the support, and a control box is installed on one side of the interior of the support. The device is novel in structure, wastewater is collected to the water plate through the collecting tank, is transferred to the filter tank through the second water pipe for filtering and precipitation, flows to the water tank after being filtered and precipitated, and is recycled after the water pump is started, so that the clean wastewater is effectively collected and utilized.

The invention discloses a variable-frequency electrically-driven top drive type core drill for geological coring exploration, and relates to the technical field of drilling tools, the variable-frequency electrically-driven top drive type core drill comprises a fixed support, a mud tank is mounted on the fixed support, and a liquid outlet of the mud tank is communicated with a hollow flowing channel in a drill rod through a conveying hose; the lifting supporting frame is connected with a variable-frequency driving motor, the variable-frequency driving motor can move up and down along the lifting supporting frame, an output shaft of the variable-frequency driving motor is connected with a rotating rod, and the end, away from the variable-frequency driving motor, of the rotating rod is connected with a drill rod; the downward pressing device is fixed to the lifting supporting frame, and the telescopic end of the downward pressing device can push the rotating rod downwards; a mixture inlet of the slurry treatment equipment is communicated with the drill hole through an overflow pipe, a conveyor is arranged below a solid outlet of the slurry treatment equipment, and a liquid outlet of the slurry treatment equipment is communicated with a liquid inlet of the slurry tank through a return pipe. According to the invention, the injection and recovery system of the drilling fluid is optimized.

The invention discloses automobile stamping part assembling equipment, and relates to the technical field of assembling equipment, the automobile stamping part assembling equipment comprises a second U-shaped frame, a second servo motor is fixedly mounted on the second U-shaped frame, a second rotating shaft is fixedly mounted at the upper end of the second servo motor through an output shaft, and a first clamping rotating plate is fixedly mounted at the upper end of the second rotating shaft; according to the stamping part cleaning device, through the arrangement of the cleaning water tank, the water tank support, the air blower and the heating assembly, the stamping part cleaning device can effectively remove oil stains and impurities on stamping parts, the purity of a welding pool is guaranteed, and therefore the welding quality is improved; the welding strength of the outer plate and the inner plate of the engine cover is ensured, meanwhile, an oxide layer, rust and the like on the surface of a stamping part can be removed through cleaning, the cleaned metal surface is smoother, fusion during welding is facilitated, a welding seam is more uniform and compact, and the quality of a welding joint is improved.

The low-nitrogen combustor comprises a machine body and a combustion pipe, one side of the machine body is communicated and connected with an air suction cover, a centrifugal wind wheel is arranged in an inner cavity of the air suction cover, an air suction opening is formed in the outer side wall of the air suction cover, the outer side surface of the air suction opening is detachably connected with a dust filtering plate, and the air suction opening is communicated with the combustion pipe. A driving rod is rotationally arranged in the center of the dust filtering plate and detachably connected with the centrifugal wind wheel, a brush plate is arranged on one side of the driving rod, and a servo motor is arranged on the side, opposite to the air suction cover, of the machine body. By means of the blast structure and the gas mixing mechanism, recombined air can be provided for fuel gas during combustion of the boiler and can be fully mixed with the fuel gas, so that the fuel gas of the boiler is fully combusted during combustion, production of nitrides is reduced, and the environmental protection property of the boiler during use is improved.

The utility model relates to the technical field of air conditioners, and discloses a low-energy-consumption air conditioner based on a separated heat pipe heat exchanger, which comprises an evaporator, a condenser, a compressor, a refrigerant pump, a first gas-liquid separator and a second gas-liquid separator, the evaporator is connected with the condenser through a first working medium pipeline, the condenser is connected with the evaporator through a second working medium pipeline, the compressor is arranged on the first working medium pipeline, the refrigerant pump is arranged on the second working medium pipeline, the first gas-liquid separator is arranged on the first working medium pipeline, and the second gas-liquid separator is arranged on the second working medium pipeline. And the second gas-liquid separator is arranged on the second working medium pipeline. By arranging the evaporator, the condenser, the compressor, the refrigerant pump, the first gas-liquid separator and the second gas-liquid separator, separation heat exchange is achieved, and it is guaranteed that the form of a working medium is pure during heat exchange. And meanwhile, the indoor fan and the outdoor fan are arranged, and normal operation of air conditioner heat exchange is guaranteed.

The present invention discloses a capacitive flexible touch screen based on boron nitride and a preparation method thereof. The capacitive flexible touch screen includes a multifunctional film layer, a flexible film cover, a polarizer, a transparent insulating boron nitride-based touch electrode module, a film encapsulation layer, a flexible support layer, a buffer layer and a flexible metal layer from top to bottom; the transparent insulating boron nitride-based touch electrode module includes a first boron nitride layer, an upper indium tin oxide film, a second boron nitride layer, a fifth optically transparent adhesive OCA layer, a third boron nitride layer, a lower indium tin oxide film and a fourth boron nitride layer from top to bottom; the first boron nitride layer, the second boron nitride layer, the third boron nitride layer and the fourth boron nitride layer are all hexagonal boron nitride layers. The capacitive flexible touch screen based on boron nitride of the present invention has high transparency, good electrical insulation and strong chemical stability, and has high performance and reliability.

The utility model relates to the field of livestock breeding equipment, and discloses a novel water trough for livestock breeding, which comprises a water trough main body, and is characterized in that an automatic water adding mechanism is fixedly connected to the left side of the top end of the water trough main body, the water trough main body is connected with a cleaning mechanism, and the automatic water adding mechanism comprises a water storage tank; a mounting frame is fixedly connected to the right side of the inner wall of the water storage tank, sliding grooves are formed in the front side and the rear side of the interior of the mounting frame, a check block is arranged in the mounting frame, sliding blocks are fixedly connected to the front side and the rear side of the exterior of the check block, and a fixing rod is fixedly connected to the bottom end of the check block. According to the automatic water feeding device, the automatic water feeding function of the water feeding device is achieved, then the burden of breeding personnel is relieved, the working efficiency of the breeding personnel is improved, the self-cleaning capacity of the water trough is achieved, the purity of drinking water is guaranteed, and the drinking water is prevented from affecting the body health of cattle and sheep.

The utility model belongs to the technical field of waste gas deodorization, and discloses a deodorization system which comprises a water purifier, an electrolytic generator, a small molecule generator, a micro-nano generation device and an ozone generator. The water purifier is provided with a first inlet and a first outlet; the first inlet is communicated with a water source through a water inlet pipe; the electrolyte generator is provided with a second inlet and a second outlet, and the second inlet is communicated with the first outlet; the small molecule generator is provided with a third inlet and a third outlet, and the third inlet is communicated with the second outlet; the micro-nano generation device is provided with a fourth inlet, a fourth outlet and an air inlet, and the fourth inlet is communicated with the third outlet; the ozone generator is provided with a gas outlet which is communicated with the gas inlet; the spraying device is provided with a sixth inlet and a sixth outlet, and the sixth inlet is communicated with the fourth outlet. According to the utility model, the ozone generator and the micro-nano generation device are combined, so that the generation amount of hydroxyl free radicals is increased, and the waste gas deodorization effect is improved.

The invention relates to the technical field of speed reducer lubricating oil cleaning, in particular to a speed reducer internal circulation type cleaning mechanism which comprises a machine body, a cleaning box is installed on one side of the machine body, and an oil injection pump and an oil well pump are arranged on the two sides of the top of the cleaning box respectively and connected with an oil injection port and an oil outlet of the machine body through pipelines respectively. A filtering box and a collecting box are sequentially installed in the cleaning box, the bottom of the filtering box is communicated with the collecting box through a filtering plate, the filtering box is communicated with an oil well pump through a pipeline, a magnetic bar is arranged in the filtering box in a penetrating mode, the collecting box is connected with an oil injection pump through a pipeline, and a magnetic filtering mechanism is arranged between a filtering cylinder and the filtering box. A filter cartridge is arranged in the filter cartridge, a magnetic filter mechanism is arranged in the filter cartridge, collection boxes are mounted at the bottoms of the two sides of the filter cartridge, a baffle is movably arranged on the side, connected with the filter cartridge, of each collection box, and an impurity accumulation mechanism is further arranged between the filter cartridge and the filter cartridge through the magnetic filter mechanism. And subsequent treatment is facilitated.

The invention relates to the field of position sensors, in particular to a linear position sensor. The device comprises a shell and a support connected to the shell. The middle of the support is provided with a PCB, the bottom is provided with a magnet and a chip, and the top is provided with a metal terminal. The middle of the magnet is hollowed out, and a groove is formed in one side of the magnet for mounting the sensing unit of the chip; the chip is connected with one end of the PCB; and the metal terminal is connected with the other end of the PCB. Through collaborative innovation of a magnetic circuit, a circuit and a mechanical structure, comprehensive performance improvement of high precision, high reliability, strong anti-interference capability and wide environment adaptability is realized.

The utility model discloses a filter for sodium cyanide solution production, which relates to the technical field of filters, and comprises a machine body and a cover plate, one side of the machine body is provided with a liquid inlet, one side of the machine body far away from the liquid inlet is provided with a liquid outlet, the machine body is internally provided with a filter cartridge, and the top of the machine body is provided with the cover plate. According to the filter for sodium cyanide solution production, a connecting block is rotated to drive a threaded rod and a cover plate to perform threaded transmission, the threaded rod can drive a conical pressing block to move upwards when moving, the pressing block is gradually separated from a push block when moving, at the moment, a spring is reset, a limiting rod is pushed to rotate, and the limiting rod pushes the push rod to move; when the push rod moves, the push rod is limited by the fixing block, the push rod is prevented from deviating, and when the limiting rod rotates to break away from limiting of the machine body, the movable cover plate is separated from the machine body.

The utility model relates to the technical field of facial masks, in particular to a display mechanism for facial masks, which comprises a filtering mechanism and a display mechanism, the filtering mechanism is fixedly connected inside a display seat, the display mechanism is movably connected above a vertical rod, the filtering mechanism is arranged, and the purpose of purifying water for spraying wet facial mask cloth is achieved through the structure. The ceramic filter layer can effectively intercept and remove suspended matters, colloidal particles, macromolecular organic matters and other impurities in water and is easy to clean, the activated carbon filter layer can adsorb and remove small-particle impurities and bacteria in the water, and the quartz sand filter material layer is good in corrosion resistance and can further adsorb the suspended matters in the water, so that the water quality is improved. The cost is reduced, the purity of water is guaranteed, the situation that the mask cloth is polluted by impurities in the water after being used for a long time, and consequently the mask cloth is prone to being stained is avoided, and the buying desire of customers is improved.

The filling equipment for sesame oil production and processing comprises a filling box, the inner wall of the filling box is fixedly connected with two sets of supporting plates, the upper surface of each supporting plate is provided with an inserting groove, an inserting block is inserted into each inserting groove, the top end of each inserting block is fixedly connected with a connecting plate, and the top end of each connecting plate is fixedly connected with a connecting rod. And the ends, close to each other, of the two connecting plates are jointly and fixedly connected with a collecting cover, the inner wall of the collecting cover is fixedly connected with a filter screen, and a pump body is installed on the outer surface of the filling box. According to the sesame oil filling device, through cooperation of a supporting plate, an inserting groove, an inserting block, a connecting plate, a collecting cover and a filter screen, it can be guaranteed that all added sesame oil passes through the filter screen through the collecting cover, oil residues in the sesame oil can be filtered out through the filter screen, and therefore it can be guaranteed that the filled sesame oil is pure, selling is facilitated, and the sesame oil filling device is worthy of popularization. Meanwhile, the collecting cover can be lifted to separate the inserting block from the inserting groove, so that the filter screen can be taken out, and more filtered oil residues can be treated.

The utility model discloses an energy-saving efficient dryer for dispersant production, which relates to the field of dispersant production and comprises a device body, a drying cabin is arranged in the device body, a drying mechanism is arranged in the drying cabin, an atomizer is fixedly mounted at the top of the device body, and a feed hopper is fixedly mounted at the top of the atomizer. A spraying pipe is fixedly installed on the inner wall of the top of the drying cabin, a spraying head is arranged on the outer wall of the spraying pipe, a driving motor is fixedly installed on the top of the device body, a stirring shaft is fixedly installed at the end of the driving motor, stirring blades and a scraping plate are fixedly installed on the outer wall of the stirring shaft, and a recycling mechanism is arranged on the top of the device body. According to the energy-saving efficient drying machine for dispersing agent production, dispersing agent raw materials are atomized through the drying mechanism and evenly sprayed into the drying cabin through the spraying pipes and the spraying heads, the contact area of a dispersing agent and hot air is increased, the dispersing agent can be rapidly heated and dried, the drying efficiency is effectively improved, and energy consumption is reduced.

The invention relates to the technical field of medical equipment, in particular to a dedusting and cooling adjusting device for a biomedical intelligent laboratory, which comprises a water tank, a filtering assembly, a cooling assembly and a control panel, the filtering assembly is placed at the bottom of the water tank, the cooling assembly is placed at the upper part of the water tank, and water in the water tank is added with a disinfectant to form a disinfectant; the filtering assembly comprises a filter and an air compressor, the cooling assembly comprises an exchanger, a refrigerating machine and a temperature sensor, the filter, the exchanger and the temperature sensor are placed in the water tank and immersed in water, and the control panel can set operation parameters of the refrigerating machine and the air compressor according to temperature parameters of the temperature sensor so as to automatically adjust the temperature of air. According to the invention, the filter is placed in water, so that air is divided into molecular-level units by the filter, and the molecular-level units pass through the filter and are further dedusted, cooled and disinfected in the water, so that all air is dedusted, cooled and disinfected, and the air in a laboratory is ensured to be pure.