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96results about How to "Fully removed" patented technology

Pseudo-boehmite and preparation method thereof

The invention relates to pseudo-boehmite and a preparation method thereof, and belongs to the technical field of porous alumina preparation. The method comprises the following steps: carrying out neutralization reaction on aluminum sulfate and an alkali source to obtain pseudo-boehmite colloidal particle slurry; aging the pseudo-boehmite colloidal particle slurry to obtain aged slurry with a set pH value; carrying out solid-liquid separation on the aged slurry to obtain a solid-phase substance; and washing the solid-phase substance for multiple times by using an alkaline solution containing ammonium ions so as to remove sulfate radicals carried by the solid-phase substance, thereby obtaining the pseudo-boehmite. Through the synergistic effect of the aging slurry with the set pH value and the alkaline solution containing ammonium ions, the content of sulfate radicals in the pseudo-boehmite is specifically reduced.
Owner:CHALCO SHANDONG NEW MATERIALS CO LTD

Reagent combination and kit for extracting nucleic acid by paramagnetic particle method and application of reagent combination and kit

PendingCN119639732Aprevent oxidative denaturationIntegrity guaranteedDNA preparationFood additiveTotal rna
The invention belongs to the technical field of biology, and particularly relates to a reagent combination and a kit for extracting nucleic acid through a paramagnetic particle method and application of the reagent combination and the kit. The reagent combination or the kit does not adopt beta-mercaptoethanol with pungent smell or dithiothreitol needing to be stored at low temperature as an antioxidant, but adopts tris (2-formylethyl) phosphine hydrochloride and / or metabisulfite as an antioxidant, belongs to common salt chemical reagent powder, can be stored at normal temperature, and can be used for preparing a reagent for the first time. Manual addition by experimenters before an experiment is not needed, so that nucleic acid (RNA) released by splitting decomposition can be effectively prevented from being oxidized and denatured, and the integrity of extracted nucleic acid (total RNA) fragments is ensured; especially, the metabisulfite is commonly used in food additives, does not cause harm to the body, and is non-toxic and non-volatile.
Owner:WUHAN MGI TECH CO LTD

Autoclaved aerated concrete block pouring forming device and method

The invention relates to the technical field of concrete piece forming, in particular to an autoclaved aerated concrete block pouring forming device and method.The autoclaved aerated concrete block pouring forming device comprises a lifting frame provided with a pouring head and a bubble removing mechanism; the bubble removing mechanism comprises mounting seats which are symmetrically arranged and synchronously and reversely move; and a plurality of vibrating heads and a plurality of stirring heads are mounted on the mounting seats. Pouring is carried out in the mode of removing bubbles while pouring is carried out, the pouring efficiency and quality are improved, in the bubble removing process, a vibrating head and a stirring head are matched with each other, bubbles in slurry are fully and efficiently removed, the slurry in the middle is automatically stirred to the two sides through two stirring and homogenizing units in the stirring and bubble removing process, and the stirring and homogenizing efficiency is improved. And the slurry in the mold is homogenized, so that the influence of non-uniform distribution of the slurry on the defoaming effect and efficiency is effectively avoided, bubbles in the slurry are fully and efficiently removed, and the pouring efficiency and quality are further improved.
Owner:ZHEJIANG YINGHONG NEW BUILDING MATERIALS CO LTD

Water purification device for gate of water conservancy project

The utility model discloses a water conservancy project gate water purification device, relates to water conservancy gate technical field, including gate frame, interception subassembly and filter screen, the inside of gate frame is provided with gate main part, and the interception subassembly is installed in the front of gate frame, the interception subassembly includes interception screen frame, locking bolt and interception screen, locking bolts penetrate through the upper sides of the intercepting net frames, a blocking net is fixed between the intercepting net frames, the blocking net is of an arc-shaped structure, rear side plates are fixed to the rear side of the gate frame, a filter screen is installed between the rear side plates, and a trash removal assembly is installed above the outer side of the filter screen. According to the gate water purifying device for the water conservancy project, the blocking net is of an arc-shaped structure, compared with a plane-shaped structure, the available water filtering area is larger, the blocking net can conveniently intercept garbage and impurity dirt passing through the gate body, the filtering net can conveniently intercept impurities passing through the gate body again, pollutants are prevented from passing through, and therefore the multi-layer water purifying effect is achieved.
Owner:SICHUAN HUIRUI CONSTR ENG CO LTD

Novel method for purifying crude germanium tetrachloride

The invention provides a novel method for purifying crude germanium tetrachloride, which comprises the processes of first-stage low-temperature evaporation, second-stage medium-temperature evaporation, third-stage negative-pressure evaporation, recovery of germanium tetrachloride tailings and the like. In the staged evaporation process of first-stage low-temperature evaporation, second-stage medium-temperature evaporation and third-stage negative-pressure evaporation, low-boiling-point impurities (such as chlorine and other volatile impurities) in germanium tetrachloride can be effectively removed, germanium tetrachloride is separated and purified in different stages by gradually increasing the temperature and adjusting the pressure, and the purity of germanium tetrachloride is improved. Finally, germanium tetrachloride with the purity of 99.9% or above is obtained. According to the method, the introduction of chemical materials such as concentrated hydrochloric acid, chlorine and the like is avoided while the coarse germanium tetrachloride is fully and preliminarily purified, so that the safety and environmental risks are reduced; and the method has the remarkable advantages of good purification effect, environmental friendliness and the like.
Owner:CHAOYANG JINMEI GALLIUM CO LTD

Cutting and polishing machine tool for motor aluminum shell machining

The invention relates to the field of motor aluminum shell machining, in particular to a cutting and polishing machine tool for motor aluminum shell machining, which comprises a workbench, a shell, a placing plate, an electric sliding plate, a cutting unit and the like, the workbench is fixedly connected with a shell; the outer shell is connected with a cutting unit used for cutting the aluminum shell profile. The workbench is fixedly connected with a placing plate; the placing plate is slidably connected with an electric sliding plate through a sliding rail; and the workbench is provided with a blanking port. The outer surface of the aluminum shell profile is jointly supported through the supporting frame and the first supporting block, the situation that pressure borne by the aluminum shell profile completely acts on the cooling fins, and consequently the cooling fins are prone to deformation is avoided, the cooling fins are supported and limited through the first supporting block during cutting, the cooling fins are further prevented from deforming, and the service life of the aluminum shell profile is prolonged. Therefore, the cutting precision of the motor aluminum shell is ensured.
Owner:SHAOGUAN TAIMING DIE CASTING CO LTD

Integrated environment-friendly treatment device for comprehensive waste liquid of oily sludge

The invention relates to an environment-friendly treatment device, in particular to an integrated environment-friendly treatment device for comprehensive waste liquid of oily sludge. The device comprises a treatment kettle and a sludge treatment assembly. In the invention, when the stirring disc moves downwards to the inner bottom end of the treatment cavity, the end part of the contact wedge block is just in contact with the bulge of the bracket in the cavity, and under the action of the inclined plane of the bulge, the baffle plate moves until the second plate opening is communicated with the bottom of the disc opening, and the bottom of the stirring disc is in contact with the sediment and extrudes the sediment; the oil-containing liquid in the sediment is squeezed out and reaches the position above the stirring disc in the treatment cavity through the second plate opening and the disc opening, the oil-containing liquid can be fully mixed with chemicals in the liquid for oil removal, the sediment can be squeezed once in the vertical moving period of each stirring disc, oil-containing substances in the sediment are fully removed, and the oil removal efficiency is improved. Therefore, the oil-containing sludge waste liquid is effectively deoiled.
Owner:DAQING LANTIAN BISHUI ENVIRONMENTAL PROTECTION TECH CO LTD

Hydraulic engineering construction quality detection method

The invention discloses a hydraulic engineering construction quality detection method, and belongs to the technical field of engineering detection. According to the hydraulic engineering construction quality detection method, a supporting column used for supporting a bridge floor is included, a driving assembly is fixedly installed at the top of the supporting column, a lifting assembly is further arranged outside the supporting column, a visual unit used for detecting a supporting column body is fixedly installed on the lifting assembly, and a rotating assembly is further arranged on the upper portion of the lifting assembly; the visual unit is arranged on the rotating assembly, and the driving assembly drives the lifting assembly and the rotating assembly to drive the visual unit to conduct lifting and rotating detection on the supporting column body. The motor is arranged at the top, accurate control is achieved through the lead screw and the sliding rod, the durability of the device is effectively improved, in addition, cleaning and monitoring are synchronous through linkage of the scraper and the camera, the situation that the sight is blocked by sewage is avoided, and the cleaning efficiency and the monitoring effect are improved.
Owner:NANJING QUANTUO ELECTROMECHANICAL EQUIP CO LTD

A geothermal heating heat pump unit

The utility model relates to the technical field of geothermal heating, disclose a kind of geothermal heating heat pump unit, including heat pump unit main body, heat pump unit main body is fixedly connected with connecting pipe, connecting pipe is fixedly connected with box body, and the side of box body is fixedly connected with water outlet pipe;Water suction pipe, water suction pipe is arranged at the bottom end of heat pump unit main body, and water suction pipe is fixedly connected with heat pump unit main body cleaning assembly, and cleaning assembly is arranged in water suction pipe, and cleaning assembly is used to clean the speed of groundwater, and cleaning assembly includes filter plate, turbine blade and movable block, turbine blade rotation is arranged in water suction pipe, filter plate is arranged in water suction pipe, and filter plate is elastically connected with the inner wall of water suction pipe, movable block array is arranged between filter plate and turbine blade, movable block is transmission connection with turbine blade, heat pump unit main body is pumped up by water suction pipe to water, after water passes through water suction pipe, internal parts of cleaning assembly cooperate, and the impurities on filter plate are fully removed.
Owner:HARBIN XINQIYUAN ENERGY SAVING TECHNOLOGY SERVICE CO LTD

Feeding structure of injection mold

The utility model discloses an injection mold feeding structure which comprises an injection molding machine screw rod and a feeding pipe, a guide hopper is arranged on the feeding pipe, a heating mechanism used for heating materials is arranged on the guide hopper, the heating mechanism comprises a heating box fixedly connected to the guide hopper, a feeding hopper communicated with the interior of the heating box is arranged on the heating box, and the feeding hopper is arranged on the feeding pipe. Two material guiding plates are fixedly connected to the inner wall of the heating box, a plurality of electric heaters are arranged in the material guiding plates, and a temperature controller is arranged on the side wall of the heating box. The heating mechanism is arranged, before materials are poured into the material guide hopper, the materials flow on the two material guide plates, the multiple electric heaters heat the material guide plates to remove moisture in the materials, it can be avoided that a large number of bubbles exist in products in a mold, and therefore the quality of the products is guaranteed.
Owner:QINGDAO QIFU IND & TRADE CO LTD

Device for accurately monitoring damage of EDI (electrodeionization) desalting equipment due to water shortage

The utility model discloses a device for accurately monitoring damage of EDI (electrodeionization) desalting equipment due to water shortage. The device comprises a plurality of bubble removing mechanisms which are assembled and communicated at the water outlet end of the EDI desalting equipment, the bubble removing mechanism comprises a shell, a bubble removing assembly is rotationally connected into the shell, the bubble removing assembly comprises inner rolling bearings arranged on the two sides at intervals, and a plurality of obliquely-arranged bubble removing plates are fixedly connected to inner rings of the inner rolling bearings correspondingly. Fixed end seats are fixedly connected between the outer ends of the bubble removing plates, and a connecting shaft is fixedly connected between the fixed end seats; the connecting shaft is fixedly connected with a driving impeller for driving the bubble removing assembly to rotate; water carrying a large number of bubbles enters the shell to push the bubble removing plate to rotate, so that the bubbles are broken and removed; and the water outlet end of the bubble removing mechanism is assembled and communicated with a water outlet pipe. In this way, a large amount of bubbles are removed, the measurement accuracy of the flowmeter is improved, and the water yield of the water outlet end of the equipment is accurately monitored.
Owner:ANHUI YUANTONG WATER TREATMENT EQUIP CO LTD

Dishwasher with dehumidification device

The dish washing machine comprises a main body structure, a door body structure and the dehumidification device, the dehumidification device comprises a humidity detection device, a heating device, an air supply device and a control device, and the humidity detection device is electrically connected with the control device; a display screen is arranged on the door body structure, the humidity detection device is arranged at a first preset position on a peripheral structure of the display screen, the air supply device is arranged at a second preset position on the peripheral structure of the display screen, and the heating device is arranged at a third preset position on the peripheral structure of the air supply device; the control device comprises a first control device and a second control device, the first control device is electrically connected with the heating device, and the second control device is electrically connected with the air supply device. Operation or closing of the dehumidification device is controlled according to the humidity, starting of the dehumidification function tends to be intelligent, energy waste caused by continuous starting of the device is avoided, and the dehumidification effect is enhanced by providing hot air for dehumidification.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Water source extraction assembly for steel plant

The utility model relates to the technical field of water source extraction, and discloses a water source extraction assembly for an iron and steel plant, which comprises a box body, a filter plate fixedly mounted on the box body, and a treatment box fixedly mounted in the box body; the water pumping assembly is connected with the interior of the box body through a pipeline; the transmission assembly is arranged between the box body and the filtering plate, the transmission assembly can clean the filtering plate in a reciprocating mode, the transmission assembly comprises a protection shell, a threaded rod, a transmission rod and a cleaning plate, and when the filtering plate filters water, the transmission assembly drives the cleaning plate to move in a reciprocating mode through cooperation of internal components; meanwhile, a cleaning plate can only move horizontally through cooperation with a guide block, and impurities on the filter plate are driven to the direction of a sewage draining exit through friction between the cleaning plate and the surface of the filter plate during reciprocating translation and slide downwards through the inclination angle of a baffle, so that the impurities are discharged from the sewage draining exit; a large amount of impurities are prevented from being accumulated on the surface of the filter plate after long-time filtering, and the filtering effect is reduced.
Owner:BAOTOU STEEL GRP ENERGY SAVING & ENVIRONMENTAL PROTECTION TECH IND CO LTD

Heat exchange device of textile setting machine

The utility model discloses a heat exchange device of a textile setting machine, and relates to the technical field of heat exchange equipment, in particular to the heat exchange device of the textile setting machine, which comprises a heat exchange box body, and a dust removal mechanism, a wind shield, a gas-gas heat energy heat exchange mechanism and a gas-water heat energy heat exchange mechanism which are arranged in the heat exchange box body, the cleaning mechanism comprises a cleaning pool installed at the bottom of the heat exchange box body, a first scraper is installed in the cleaning pool, and a cleaning wheel is movably arranged in the cleaning pool in a sleeved mode. According to the heat exchange device of the textile setting machine, through the arrangement of the cleaning mechanism, after a filter screen moves into the cleaning mechanism, oil stains adhering to the surface of the filter screen are scraped off through a first scraper, then the oil stains remaining on the surface of the filter screen are washed and cleaned through a cleaning wheel, and the oil stains on the surface of the filter screen are fully removed; and the degreasing agent is used for dissolving the oil stains, so that the oil stains are cleared more cleanly.
Owner:SHANGRAO CHENGXIANG TECHNOLOGY CO LTD

Refining method for reducing and controlling plasticizer and 3-chloropropanol ester in camellia oil

The invention relates to a refining method for reducing and controlling a plasticizer and 3-chloropropanol ester in camellia oil, and aims to effectively control the plasticizer, the 3-chloropropanol ester and glycidyl ester in the camellia oil and maintain nutritional ingredients and natural flavor of the camellia oil. The method comprises the steps of acidification degumming, alkali refining deacidification, water washing, decoloration, dual-temperature deodorization, low-temperature adsorption and the like, and particularly, the vacuum degree and the temperature are finely adjusted in the deodorization process, so that control over a plasticizer, 3-chloropropanol ester and glycidyl ester is effectively considered.
Owner:HANGZHOU CHOISUN BIO TECH CO LTD

Single crystal furnace electrode insulator sheet manufacturing apparatus

ActiveCN224591077UFree from subjective factorsavoid displacement
This utility model belongs to the field of photovoltaic technology and discloses a device for manufacturing single-crystal furnace electrode insulating sheets. The device includes a frame, a pressure plate, a first upper mold, and a receiving lower mold. The pressure plate is slidably mounted on the frame in a vertical direction and can switch between an initial position, a pre-pressing position, and a pressing position. The first upper mold is mounted on the pressure plate, with its lower end protruding relative to the lower surface of the pressure plate. The receiving lower mold is mounted on the frame and located below the pressure plate, and has a first notch opposite to the first upper mold. The single-crystal furnace electrode insulating sheet manufacturing device proposed in this utility model can automatically complete the manufacturing of single-crystal furnace electrode insulating sheets, with high processing efficiency and is free from the influence of operator subjectivity, thus improving the product qualification rate.
Owner:GUANGDONG AIKO SOLAR ENERGY TECH CO LTD +1

A sample processing table for carbon fiber count and a method for counting carbon fiber count

The present application relates to a kind of sample processing platform for carbon fiber number counting and the counting method of carbon fiber number, belong to carbon fiber detection technical field, solve the problem of low accuracy of counting caused by complex carbon fiber sample preparation and poor sample quality in existing method.Sample processing platform includes fixed platform and detachable auxiliary platform, fixed platform is internally provided with support area, sticking area and reference area from top to bottom, three are coaxial ladder-shaped hole structure, and auxiliary platform is sleeve-shaped.Counting method includes: using the sample processing platform to prepare fiber cross-section sample without adhesion and debris;Sample is placed into scanning electron microscope, and the overall picture is obtained by low-resolution scanning and high-resolution puzzle;Overall picture is segmented into slice;Slice is imported into image analysis software, and after gray threshold conversion, denoising, area and roundness screening, it is automatically counted and summed.The present application is simple in sample preparation, clear in image, accurate in counting, and significantly improves the efficiency and accuracy of carbon fiber number statistics.
Owner:WEIHAI TUOZHAN FIBER

Wax liquid cleaning and recycling device

The utility model discloses a wax liquid cleaning and recycling device which comprises a cleaning container mechanism, and a material distributing mechanism is installed in the cleaning container mechanism. The wax liquid is distributed into the cleaning container through the distribution mechanism to be cleaned, and the wax liquid with the density smaller than that of water floats above the water layer in the cleaning process; a wax liquid discharging pipe is installed on the cleaning container mechanism, the feeding end of the wax liquid discharging pipe is located at the upper end in the cleaning container mechanism, and the discharging end of the wax liquid discharging pipe is located on the outer side of the cleaning container mechanism. The material distributing mechanism comprises a feeding structure, the discharging end of the feeding structure communicates with a material distributing structure, and the material distributing structure comprises a material distributing bin; a plurality of material distribution through holes are formed in the material distribution bin; and the material distribution outlet pipe is communicated with the bottom of the material distribution bin. According to the device, the technical defect that waste wax generated during wax mold demolding cannot be conveniently recycled is effectively overcome, impurities in the wax are fully removed in a washing mode, wax liquid can be recycled, and the device is economical, environmentally friendly and convenient and easy to operate.
Owner:QINGDAO TIANHEYUAN METAL CO LTD

A screening device and method for materials of different diameters

ActiveCN117244783Bwill not cause interferenceImprove work efficiencyGradingProduction lineControl cell
A radial material screening device and method are disclosed, relating to the technical field of material screening devices. The device includes a primary screening mechanism, a secondary screening mechanism, a screening channel, and a screening aperture control unit. The secondary screening mechanism includes a wheel-type sieve aperture inner diameter control unit, which is equipped with an elastic mimicry insert. The method includes screening out waste materials exceeding the upper and lower limits, and directionally dropping materials that meet the specified dimensions. This invention effectively solves the problem of poor adaptability of existing radial screening devices, which cannot be matched with automated production lines and affect subsequent processes. Through this invention, radial screening of materials can be achieved, removing waste materials exceeding the upper and lower limits, ensuring that the screened materials are fully free of impurities. Therefore, it will not interfere with subsequent automated production lines and can greatly improve the working efficiency of the entire production line.
Owner:QINGDAO CHOHO IND CO LTD

VOC (volatile organic compound) detection device with quick water vapor removal function

The invention discloses a VOC detection device with a rapid water vapor removal function, the detection device comprises a bottom frame, an air pump, a dust removal mechanism, a water absorption mechanism, a shunting mechanism and a detection mechanism, the dust removal mechanism comprises an outer conical cylinder, a tangential pipe and a dust falling box, the outer conical cylinder is provided with a top opening, a bottom opening and a tangential hole, the tangential pipe is fixedly connected with the air pump and the tangential hole, and the bottom opening is fixedly connected with the tangential hole. The air pump, the dust falling box, the water absorption mechanism and the detection mechanism are fixedly connected with the bottom frame, the bottom opening is fixedly connected with the dust falling box, the water absorption mechanism is fixedly connected with the top opening, the flow dividing mechanism is fixedly connected with the water absorption mechanism and the detection mechanism, and the detection mechanism is connected with the flow dividing mechanism through electric signals; the invention relates to the technical field of VOC detection devices, and the VOC detection device can remove particle dust and water vapor in VOC, improves the detection precision, can fully utilize the advantages of two detectors through switching modes, complement each other, improves the detection accuracy, reliability and application range, and can perform self-cleaning after detection to avoid interference on the next detection result.
Owner:YANCHENG JIHUA ELECTRONICS

Disc filtering and washing device, graphite purification device and purification method

The disc filtering and washing device comprises a material pool, a rotating disc, an auxiliary dewatering device and a discharging device, the rotating disc comprises a rack, a rotating shaft rotationally assembled on the rack, a motor driving the rotating shaft to rotate and a plurality of filter plate sets fixed to the rotating shaft and arranged in the axial direction of the rotating shaft; the opposite sides of the filter plates of the adjacent filter plate groups are uniformly provided with air holes to form adsorption sides, the turntable is sequentially provided with a material adsorption area, a first atomization washing area, a second atomization washing area, an extrusion dehydration area and a discharging area along the rotating direction of the rotating shaft, and the turntable is arranged right above the material pool, so that the material adsorption area is arranged in the material pool; the rotary disc is provided with atomization spraying devices in the first atomization washing area and the second atomization washing area, the rotary disc is provided with an auxiliary dewatering device in the extrusion dewatering area, and the rotary disc is provided with a discharging device in the discharging area. The washing device is good in washing effect and high in washing efficiency, and saves labor and cost.
Owner:GUANGXI CHENYU NEW MATERIALS CO LTD +1

Intelligent dust removal device for transformer bushing

PendingCN119525220AGuaranteed Dielectric Strengthfully removedMeasurement devicesHollow article cleaningTransformerPhysics
The invention relates to the technical field of transformer bushings, in particular to an intelligent dust removal device for transformer bushings, which comprises two arc-shaped supporting shells, and further comprises two semi-annular bottom plates which are respectively connected with the adjacent supporting shells in a sliding manner; the guide mechanism is used for guiding between the semicircular bottom plate and the supporting shell; the locking mechanisms are installed at the bottoms of the two supporting shells and located below the semi-annular bottom plate, and the two supporting shells can be fixed relative to the transformer bushing through the two locking mechanisms; according to the intelligent dust removal device for the transformer bushing, the dust removal mechanism rotates relative to the transformer bushing to remove dust, so that dust on the outer side of the transformer bushing in different position states is fully removed, and the insulating strength of the transformer bushing is ensured.
Owner:CHANGZHOU LIU GUOJUN HIGHER VOCATIONAL & TECH SCHOOL (CHANGZHOU LIU GUOJUN VOCATIONAL EDUCATION CENT)

A flue gas treatment system using NaClO2 solution injection for gas phase oxidation to remove mercury

The present invention provides a method for spraying NaClO 2 A flue gas treatment system for liquid gas phase oxidation mercury removal includes a flue gas system, a liquid inlet system, a reaction system and a flue gas dust removal and desulfurization system. The reaction system has a denitrification flue gas inlet, a solution inlet and a reaction flue gas outlet. The flue gas system is connected to the denitrification flue gas inlet of the reaction system to provide denitrification flue gas to the reaction system. The liquid inlet system is connected to the solution inlet of the reaction system to spray sodium chlorite solution into the reaction system. The reaction flue gas outlet of the reaction system is connected to the flue gas dust removal and desulfurization system to provide the reaction flue gas formed by oxidation with sodium chlorite to the flue gas dust removal and desulfurization system. The above-mentioned flue gas treatment system uses the liquid inlet system to spray NaClO into the reaction system. 2 The solution oxidizes the zero-valent mercury in the flue gas in the gas phase, achieving a high zero-valent mercury removal efficiency, ensuring that the mercury in the flue gas is discharged in compliance with the standards, and is environmentally friendly, clean, efficient and economical.
Owner:DATANG ENVIRONMENT IND GRP

Layered engine filter element

The utility model relates to the technical field of automobile maintenance, in particular to a layered engine filter element which comprises an outer shell, a check valve part, a central pipe, first filter paper, a bypass valve part and an inner-layer filter set, the central pipe is arranged in the outer shell, and the first filter paper is arranged between the outer shell and the peripheral face of the central pipe. A check valve part is arranged at one end of the center pipe and comprises a metal disc, a rubber ring and a sealing ring, the metal disc is installed at one end of the center pipe, the rubber ring is arranged between the metal disc and the center pipe, and the sealing ring is embedded in the top of the shell and is in interference fit with the metal disc. The No.1 filter paper and the No.2 filter paper are respectively arranged between the shell and the central pipe and on the bypass valve for filtering, so that impurities and pollutants of engine oil discharged by the bypass valve can be fully removed, and the filtering effect is improved.
Owner:NINGBO XUYOU TECHNOLOGY DEVELOPMENT CO LTD

A device for removing soil from celery harvested

The utility model relates to a kind of mud removing device for celery harvesting in the technical field of mud removing, including cleaning bucket, the bottom of the cleaning bucket is symmetrically equipped with support rod, the inside of the cleaning bucket is equipped with inclined mud guide plate, the top of the cleaning bucket is fixedly connected with fixed guide frame, the inside of the fixed guide frame is movably connected with connection lifting drive mechanism, the mutual cooperation between fixed guide frame, connection lifting drive mechanism, output motor, speed reducer, driving rod and fixed transmission block being equipped, can place the basket loaded with celery in the inside of connection lifting drive mechanism, then output motor drives speed reducer, drives driving rod and fixed transmission block to rotate, simultaneously drives connection lifting drive mechanism and basket to rotate, and connection lifting drive mechanism can lower basket to water, with the dissolution of rotation and water, can sufficiently remove the mud and sand of celery root, easy to operate.
Owner:SUQIAN HOUGANG AGRICULTURAL TECHNOLOGY CO LTD +2

A briquette drying apparatus

The application discloses a briquetting drying equipment, and belongs to the technical field of metallurgical mineral processing. The briquetting drying equipment comprises a drying component, and the drying component comprises a frame body and a plurality of evaporation plates. The frame body comprises a drying channel extending in a vertical direction, and a top opening of the drying channel is a drying feeding port. Each evaporation plate is fixed in the drying channel in a longitudinal direction, so as to form a plurality of drying intervals arranged at intervals in the drying channel. A through evaporation air duct is arranged in each evaporation plate in a transverse direction, and the two ends of the evaporation air duct penetrate through the side wall surface of the frame body, so as to guide hot air in a hot air pipeline. A plurality of drying holes are arranged on each evaporation plate and communicate with the drying intervals and the evaporation air duct, so as to blow the hot air in the hot air pipeline to the drying intervals. The briquetting drying equipment provided by the application can realize efficient drying of briquettes, fully remove water on the briquettes, and then reduce the adhesion of powder on the briquettes, so that the powder rate entering a furnace is greatly reduced.
Owner:UNIV OF SCI & TECH BEIJING +1

Method for leaching lithium in clay type lithium ore by using recyclable solid acid

The invention discloses a method for leaching lithium in clay type lithium ore by utilizing recyclable solid acid, which belongs to the field of lithium leaching methods and comprises the following steps: step 1, pretreatment: firstly, crushing, grinding and roasting and activating the clay type lithium ore; step 2, leaching: mixing the pretreated minerals with a solid acid solution, and carrying out leaching reaction at set temperature and pressure; thirdly, solid-liquid separation is conducted, specifically, the acid leaching solution is put into a special centrifugal machine for solid-liquid separation, and acid leaching liquid is obtained; and step 4, purification: carrying out purification treatment on the lithium leachate, removing impurities, and finally cooling and crystallizing to obtain high-purity lithium. The method is scientific and reasonable, more sufficient solid-liquid separation of the acid leaching solution is realized by improving process abortion and using a special centrifugal machine, the subsequent lithium purification concentration is improved, and the problem of low lithium purity caused by low filtration degree of the acid leaching solution in a traditional method is solved.
Owner:HEBEI GEO UNIVERSITY

Low-carbon treatment device for environmental protection engineering construction

The invention belongs to the technical field of waste gas separation, and particularly relates to a low-carbon treatment device for environmental protection engineering construction, which comprises an absorption tower and a control cabinet arranged on one side of the absorption tower, the absorption tower is provided with a spraying absorption mechanism, the top of the absorption tower is provided with a discharge hole, and the low-carbon treatment device further comprises a gas inlet unit and a gas outlet unit, the gas inlet unit is arranged on one side of the absorption tower, a high-temperature hollow plate, a medium-temperature hollow plate and a low-temperature hollow plate are arranged below the gas inlet unit, and the distances between the high-temperature hollow plate, the medium-temperature hollow plate and the low-temperature hollow plate and the absorption tower are from far to near. Carbon dioxide in tail gas can be absorbed and removed, environment-friendly and low-carbon construction can be assisted, high-temperature tail gas can be fully cooled, the heat dissipation and cooling efficiency is improved, it is prevented that high temperature disturbs the efficiency of an absorbent and causes volatilization of the absorbent, meanwhile, air with low-concentration carbon dioxide can be exhausted in advance, and the environment-friendly and energy-saving effects are achieved. The carbon dioxide concentration and the absorbent utilization rate in the absorption tower are improved.
Owner:NORTHWEST UNIV

Power source unit for aerosol generation device

A non-combustion-type aspirator (100) comprises a power source BAT, a heater connector Cn to which a heater HTR is connected, a charging IC 2, a receptacle RCP, a power source line PL that connects a power source input terminal VBUS of the receptacle RCP and an input terminal VBUS of the charging IC 2, a power source line protection component (205) provided to the power source line PL, an MCU mounting substrate (161), and a receptacle mounting substrate (162). The charging IC 2 is disposed on the MCU mounting substrate (161), the receptacle RCP is disposed on the receptacle mounting substrate (162), and the power source line protection component (205) is disposed on only the receptacle mounting substrate (162) from among the MCU mounting substrate (161) and the receptacle mounting substrate (162).
Owner:JAPAN TOBACCO INC

Positive electrode active material for lithium secondary battery, method for preparing same, and lithium secondary battery

The present invention provides a positive electrode active material for a lithium secondary battery, the positive electrode active material for a lithium secondary battery being a positive electrode active material containing a lithium metal oxide, and the positive electrode active material for a lithium secondary battery satisfying formula 1. [Formula 1] Charge Transfer Resistance (RCT) < = 30 Omega (In Formula 1, RCT is based on a value measured by Electrochemical Impedance Spectroscopy (EIS) for a coin-type half cell including a positive electrode to which the positive electrode active material is applied).
Owner:SK ON CO LTD