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Regional groundwater reserve change dynamic monitoring method based on gravity satellite time series data analysis
ActiveCN121858932AEnsure signal-to-noise ratioensure reliabilityGravitational wave measurementHydrometryDynamic monitoring
The invention relates to the technical field of hydrological monitoring, and discloses a regional groundwater reserve change dynamic monitoring method based on gravity satellite time series data analysis. According to the method, the multi-source data scale effect and observation noise are effectively eliminated, the physical reliability and resolution of groundwater signal extraction are improved, and the recognition precision and early warning perspectiveness of the abnormal loss trend are enhanced. A full-chain monitoring closed loop of multi-source satellite observation, high-precision physical inversion and dynamic statistical benchmark is constructed, multi-dimensional environment data is aligned, a component separation strategy based on multi-element physical mechanism constraint is established based on a water balance principle, and anomaly diagnosis is performed in combination with a self-adaptively updated long-time-sequence historical database.
Owner:XIAN SUMMIT TECH +1
Oil-gas separation mechanism and engine
ActiveCN224187642Usave internal spaceSimple internal structureMachines/enginesCrankcase ventillationSprocketFan blade
The utility model discloses an oil-gas separation mechanism and an engine, the oil-gas separation mechanism comprises an air inlet cam shaft, a chain wheel, a centrifugal separation disc and a breather pipe, and the air inlet cam shaft is provided with a first channel penetrating through the two ends of the air inlet cam shaft; the chain wheel is meshed with a timing chain of an engine and used for driving the air inlet cam shaft to rotate. The centrifugal separation disc is connected with one end of the air inlet cam shaft and provided with a separation cavity, the separation cavity communicates with the first channel, fan blades are arranged in the separation cavity, the centrifugal separation disc rotates to suck mixed oil gas into the separation cavity, and the fan blades guide gas into the first channel and throw engine oil out of the separation cavity. The breather pipe communicates with the end, away from the centrifugal separation disc, of the first channel and is used for exhausting gas in the first channel. According to the oil-gas separation mechanism, the oil-gas separation structure can be arranged on the air inlet cam shaft, the space occupied by the oil-gas separation structure in an engine is reduced, the internal structure of the engine is simplified, and the manufacturing difficulty and manufacturing cost of the engine are reduced.
Owner:JIANGMEN TIANYI METAL IND
Anti-deformation high-strength inspection well prefabricating mold
PendingCN122034135AEffectively disperse side pressureavoid damageMouldsCeramic shaping coresStructural engineeringUltimate tensile strength
The invention discloses an anti-deformation high-strength inspection well prefabricating mold which comprises a base, an outer mold assembly is slidably mounted on a top plate of the base, an inner mold assembly is mounted at the position, in the center of the outer mold assembly, of the base, a demolding assembly is mounted in the inner mold assembly, sliding assemblies are mounted on the two sides of the bottom of the outer mold assembly, and sliding ways are mounted at the positions, corresponding to the sliding assemblies, of the base. The sliding assembly is slidably arranged on the slide way. Through the longitudinal reinforcing ribs and the transverse reinforcing ribs, a stable net-shaped reinforcing structure is formed, side pressure generated on the arc-shaped outer formwork in the concrete pouring process can be effectively dispersed, damage such as bending, deformation and cracking caused by uneven stress of the arc-shaped outer formwork is avoided, the structural stability and deformation resistance of the mold are remarkably improved, and the service life of the mold is prolonged. The reinforcing rib forming grooves which are perpendicularly crossed are formed in the inner side wall of the arc-shaped outer formwork, corresponding outer wall reinforcing ribs can be formed on the outer wall of the inspection well during concrete pouring, and the structural strength of the formed inspection well is effectively enhanced.
Owner:GANSU LANSHENG NEW MATERIALS CO LTD
A frying pan with a handle convenient to replace
This application discloses a wok with an easy-to-replace handle, relating to the field of woks. It includes a wok body, a U-shaped handle, a connecting assembly, and a handle assembly. The connecting assembly includes a bottom block, a top block, an external threaded block, and a limiting block. The limiting block moves upwards, and under the action of a limiting post, it does not rotate with the external threaded block, causing the limiting block to move upwards. After the limiting block moves upwards and retracts into the top block, the U-shaped handle is released from its limiting position in the cavity at the connection between the top and bottom blocks, allowing the top and bottom blocks to be pulled out, separating the handle from the wok body for easy handle replacement. The handle assembly includes a connecting pipe, a connecting block, a grip, a threaded rod, a moving block, and a rotating rod. Rotation of the threaded rod causes the moving block to move on the surface of the threaded rod, which in turn drives the rotating rod to rotate. The bottom end of the rotating rod remains hinged to the outer surface of the connecting block. Rotation of the rotating rod causes the grip to rotate, allowing adjustment of the grip angle for user convenience.
Owner:ZHEJIANG GAOLIN HOME TECH CO LTD
Ferrule-based optical fiber cable assembly
The application relates to the technical field of optical cables, in particular to a butterfly-shaped lead-in optical cable structure based on a fiber composite structure, which comprises a butterfly-shaped optical cable, the butterfly-shaped optical cable comprises a protection mechanism and a connecting mechanism, the protection mechanism and the connecting mechanism are connected with each other, the protection mechanism comprises a first sheath, an inner wall of the first sheath is fixedly connected with a first insulating sleeve, an inner wall of the first insulating sleeve is fixedly connected with a first optical fiber, an outer wall of the top of the first sheath is fixedly connected with a first flange, the connecting mechanism comprises a second sheath, an inner wall of the second sheath is fixedly connected with a second insulating sleeve, after the first sheath and the second sheath are selectively or separately stripped, the first flanges of the first sheath and the second sheath are connected with third sealing grooves to realize upper and lower connection, left and right connection can be realized through the first sealing strips and the second sealing strips on the corresponding sides, and then the mutual separation and connection of the first sheath and the second sheath are realized.
Owner:SICHUAN TIANFU JIANGDONG TECH CO LTD
Mold changing mechanism for foam molding mold
The utility model provides a kind of foaming forming die die changing cooperation mechanism, including die changing device, foaming mould box and mould box clamp, mould box clamp includes upper clamp and lower clamp, foaming mould box includes upper die and lower die, first lock pin connecting mechanism and second lock pin connecting mechanism are respectively equipped between upper clamp and upper die and between lower clamp and lower die, die changing device includes device frame, device frame is also equipped with die changing assembly, first lock pin connecting mechanism and second lock pin connecting mechanism both have locking connection state and unlocking separation state, when being in locking connection state, upper clamp and upper die, lower clamp and lower die are connected as a whole, when being in unlocking separation state, upper clamp and upper die, lower clamp and lower die are disconnected, die changing assembly can drive first lock pin connecting mechanism and second lock pin connecting mechanism synchronous switching between locking connection state and unlocking separation state. The utility model can save artificial cost, improve die changing efficiency.
Owner:KRAUSSMAFFEI MACHINERY ZHEJIANG CO LTD
A fine positioning device
ActiveCN224691293URealize magnetic attractionachieve separationReciprocating motionClassical mechanics
The utility model relates to a kind of precision positioning device, belong to the technical field of circulation frock, including suction head fixed plate, several suction head components are evenly equipped on suction head fixed plate, several suction head components are inserted with top rod, the upper end of top rod is connected with first driving device, the lower of suction head fixed plate is equipped with precision positioning plate, several suction head components pass through precision positioning plate, first through-hole that can accommodate several suction head components pass through is equipped on precision positioning plate, precision positioning plate is connected with second driving device, the utility model is driven top rod up and down movement by the reciprocating motion of cylinder up and down, to realize the magnetic attraction and separation of magnetic product and suction head, complete the taking and placing action of magnetic product;The reciprocating motion of pen-shaped cylinder drives precision positioning plate up and down movement, the positioning action of magnetic product is realized by the friction force between precision positioning plate and magnetic product, the multiple positioning action of product can be realized by the reciprocating motion frequency of pen-shaped cylinder, to realize the reliable positioning of product.
Owner:SHANDONG GETTOP ACOUSTIC CO LTD
Pharmaceutical container sorting device and production system
PendingCN122343184Aachieve separationReduced sealing requirementsBernoulli's principleStructural engineering
The application discloses a kind of pharmaceutical container sorting device and production system, for sorting pharmaceutical container, including the rotating mechanism of symmetrical distribution, rotating mechanism is synchronous rotation or synchronous stop under working condition, rotating mechanism is evenly distributed with the accommodation structure of circumferential along the periphery, container at sorting station is between the accommodation structure of two rotating mechanisms, rotating mechanism is provided with the gas path connecting structure connected to accommodation structure, pharmaceutical container sorting device further includes the gas supply mechanism of being connected with gas source and being arranged close to rotating mechanism, gas supply mechanism is used to provide compressed gas to accommodation structure through gas path connecting structure selectively.This sorting device realizes container sorting based on Bernoulli principle by compressed air blowing, and the pressure of compressed air can reach four to six atmospheres, so the sealing requirement is lower, even if there is air leakage, there is still enough suction to avoid the problem of broken bottle, and slightly air leakage can greatly reduce the processing and assembly difficulty.
Owner:HUNAN ZHENGZHONG PHARMA MACHINERY
A method for detecting meloxicam and its isomers by high performance liquid chromatography
The present application relates to a kind of methods for detecting meloxicam and its isomers by high performance liquid chromatography, which uses high performance liquid chromatography for detection, and the chromatographic column uses covalent bond and cellulose-tris (3, 5-dichlorophenyl carbamate) as filler;With n-hexane-ethanol-trifluoroacetic acid-triethylamine as mobile phase;Isocratic elution;Column temperature is 20~30 ℃;Flow rate is 0.8~1.1ml / min;Detection wavelength is 215nm.The high performance liquid chromatography detection method of meloxicam and its isomers provided by the present application can realize the complete separation of meloxicam main component and its three isomer impurities, and this method has strong specificity, high sensitivity and good durability, and can be used for the quality control of meloxicam bulk drug.
Owner:NCPC NEW DRUG RES & DEV
A bamboo-based and lignin-based hard carbon composite material, its preparation method and application
This invention belongs to the field of hard carbon technology, specifically relating to a bamboo-based and lignin-based hard carbon composite material, its preparation method, and its applications. The process involves pretreating raw materials to obtain pretreated material; pretreating the pretreated material with an acidic oxidant to obtain acidic oxidant pretreated material; pre-oxidizing the acidic oxidant pretreated material to obtain pre-oxidized material; pre-carbonizing the pre-oxidized material under a protective atmosphere to obtain pre-carbonized material; pulverizing the pre-carbonized material to obtain pulverized material; acid washing followed by water washing to obtain purified material; soaking the purified material in acid, filtering, and drying to obtain soaked material; mixing the soaked material with a modifier, and high-temperature coating and carbonizing under a protective atmosphere to obtain bamboo-based coated hard carbon or lignin-based coated hard carbon. Mixing the two types of hard carbon and carbon coating yields a bamboo-based and lignin-based hard carbon composite material, which is used in negative electrode sheets and batteries. When applied to batteries, the hard carbon composite material of this invention can improve battery energy density.
Owner:福建容钠新能源科技有限公司 +1
Airtight space ventilation dust removal device and dust removal method
The application discloses a kind of closed space ventilation dust removal device and dust removal method, ventilation dust removal device includes air supply fan and dust removal component, the outlet end of the air supply fan is connected with the ventilation pipe of entering closed space and communicates, air distribution connector is connected in ventilation pipe end portion, the air distribution connector is equipped with the air supply branch pipe that is communicated with dust removal component, dust removal component includes the air amplifier that is communicated with air supply branch pipe, and the air flow that enters air amplifier by air supply branch pipe generates negative pressure and carries out dust removal to the air of closed space;Pressure regulating mechanism for guaranteeing the gas pressure of air supply branch pipe is set on air distribution connector, the application utilizes air supply branch pipe and air amplifier to realize using one air supply fan to simultaneously realize the ventilation of closed space and dust removal power supply, equipment energy consumption can be reduced, and the gas pressure in air supply branch pipe is kept using pressure regulating mechanism, to ensure the air extraction processing efficiency of dust removal component.
Owner:THE THIRD CONSTR OF CHINA CONSTR EIGHTH ENG BUREAU
An automatic sorting device for calcium oxide powder
This utility model discloses an automatic sorting device for calcium oxide powder, relating to the field of automatic sorting technology. Specifically, it is an automatic sorting device for calcium oxide powder, comprising a conveyor belt and multiple pneumatic pushers disposed on the right side of the conveyor belt. Multiple partition plates are uniformly fixedly connected to the outer circumference of the conveyor belt. These partition plates separate the calcium oxide powder into multiple independent material units. The pushers can be combined to form a complete "long strip," allowing the material between two partition plates to be completely pushed away from the conveyor belt during left and right movement. The pneumatic pushers, push plates, second synchronous magnetic blocks, and third synchronous magnetic blocks enable the pushers to move synchronously using magnetic force to complete the sorting. The first limiting strip, second limiting strip, and baffle plate limit and guide the pushers, ensuring stable sliding along the axial direction without detachment.
Owner:NANYANG HUAQI MINERAL PROD CO LTD
一种从废旧铌钛铜超导合金材料中分离回收铌、钛和铜的方法
ActiveCN117721307BPromote resource recyclingRealize separation and recovery
Owner:BEIJING RESEARCH INSTITUTE OF CHEMICAL ENGINEERING AND METALLURGY
Method for identifying Xinhui pericarpium citri reticulatae and pericarpium citri reticulatae
PendingCN121784187ASimple preparation processoptimizationComponent separationBiotechnologyBenzoic acid
The invention discloses a method for identifying Xinhui pericarpium citri reticulatae and pericarpium citri reticulatae, which is characterized in that four active ingredients including hesperidin, nobiletin, tangeretin and 2-methylamino methyl benzoate are simultaneously detected through high performance liquid chromatography, and distinguishing is realized according to detection data. The method comprises the following specific steps: preparing a mixed reference solution and a test solution, extracting a test with methanol, performing ultrasonic treatment, and filtering, specific chromatographic conditions are adopted for detection, the detection wavelength of the hesperidin is 283nm, and the detection wavelengths of the other three components are 330nm. Test results show that the contents of the four active ingredients in the Xinhui pericarpium citri reticulatae are high, the content of methyl 2-methylaminobenzoate is not lower than 0.020%, the ratio of the total amount of nobiletin and tangeretin to hesperidin is not lower than 0.17, and related indexes of the pericarpium citri reticulatae are remarkably low. The method is efficient, accurate, stable and reliable, and provides technical support for standardizing market circulation, guaranteeing product quality and promoting standardized development of the Xinhui pericarpium citri reticulatae industry.
Owner:BEIJING TONGRENTANG HEALTH PHARM (NINGXIA) CO LTD
Drying system, dishwasher and drying method
ActiveCN115813308Breduce air humidityachieve dryingTableware washing/rinsing machine detailsHome appliance efficiency improvementAir cycleWater vapor
This invention provides a drying system, a dishwasher, and a drying method. The drying system includes an air duct, with its two ends connected to an air outlet and an air inlet of the device, respectively. A first fan is installed at the end of the air duct near the air outlet, and a second fan is installed at the end of the air duct near the air inlet. A separation device is installed between the first and second fans. The first fan blows gas from inside the device into the air duct, and the separation device separates water vapor from the gas in the air duct. Then, the second fan blows the gas from the air duct into the device. This invention utilizes an internal circulation drying system to remove moisture from the high-humidity air inside the dishwasher through an internal circulation air duct, and then the air flows back into the dishwasher, thereby reducing the humidity inside the dishwasher and drying the tableware. This prevents the tableware from becoming damp and achieves drying by utilizing its own air circulation, thus eliminating the influence of ambient air humidity.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI
Application of Uncaria rhynchophylla neutral polysaccharide URP-W in the preparation of anti-glioma drugs
ActiveCN121005799Bachieve separationSolve the technical problems of extraction and separationOrganic active ingredientsNervous disorderCelluloseMonosaccharide composition
This invention discloses the application of Uncaria rhynchophylla neutral polysaccharide URP-W in the preparation of anti-glioma drugs, belonging to the field of anti-tumor technology of medicinal plant polysaccharides. The invention obtains a crude polysaccharide extract from Uncaria rhynchophylla through hot water extraction and ethanol precipitation, followed by purification using a DEAE cellulose column and G200 dextran gel to obtain Uncaria rhynchophylla neutral polysaccharide URP-W. The monosaccharide composition of URP-W includes arabinose, rhamnose, galactose, glucose, xylose, mannose, galacturonic acid, and mannuronic acid in a molar ratio of 17.99:6.32:21.71:27.17:2.56:7.57:16.20:0.49. Experiments have shown that URP-W can inhibit the proliferation of gliomas and induce apoptosis, exhibiting significant anti-tumor activity against glioma cells, providing a new drug raw material and treatment method for the clinical treatment of gliomas.
Owner:CHANGCHUN UNIV OF CHINESE MEDICINE
A method for conditioning and modifying a steelmaking hot desulfurization slag
The application discloses a method for modifying and adjusting hot-state desulfurization slag of steelmaking, which comprises the following steps: mixing hot-state molten desulfurization slag and casting residue or mixed liquid casting residue in a hot-state adjusting and conditioning pool, and changing the caking and difficult-to-handle characteristics of the molten desulfurization slag into easy-to-handle modified slag for subsequent disposal. The application solves the technical problem of large lumps of slag and iron in existing steel enterprises, and has strong operability and no safety problem.
Owner:BAOSHAN IRON & STEEL CO LTD +1
Grinding structure for optical crystal blank machining
ActiveCN224115810UAvoid affecting optical performanceImprove fitEdge grinding machinesGrinding drivesSuction forceVacuum pump
The utility model relates to the technical field of optical crystal blank processing, in particular to a grinding structure for optical crystal blank processing, which comprises a support frame arranged on a machine base, a grinding component for performing targeted adjustment grinding according to the position of an optical crystal blank is arranged on the support frame, and a mounting plate is arranged on the machine base. A placing seat is mounted on the mounting plate, a vacuum suction pipe is mounted on the placing seat, a vacuum chuck for adsorbing and fixing an optical crystal blank is mounted at the top of the vacuum suction pipe, and a rotating mechanism for driving the vacuum suction pipe to rotate is arranged on the vacuum suction pipe. According to the utility model, the crystal blank is firmly adsorbed on the vacuum chuck through the vacuum suction force generated by the vacuum pump, so that the influence on the optical performance of the crystal blank caused by the damage to the corners of the crystal blank due to side edge clamping is avoided, and the vacuum chuck is a rubber pad with a cambered surface structure at the top, has certain elasticity, and can be better attached to the cambered surface crystal blank; the friction force with a crystal blank is increased, so that the adsorption stability is improved.
Owner:ANHUI FIRESKY CRYSTAL SCI & TECH
A cutter for quickly cutting and separating a power battery bottom plate
The technical scheme of the present application provides a kind of cutter for quickly cutting and separating power battery bottom plate, including tool holder and cutting edge, the top of the tool holder is inclined surface, the bottom of the tool holder is arc surface, the inclined surface and the arc surface are respectively towards the metal plate and the cell of power battery when cutting, for guiding and separating the cell and the metal plate of power battery in cutting;The cutting edge is detachably arranged on one side of the tool holder, and the side position corresponds to the bottom end of the inclined surface, and the cutting edge is towards horizontal, when cutting, the tool holder and the cutting edge are horizontal movement of horizontal direction traction.The beneficial effects of the present application are that the tool holder and the cutting edge move horizontally, the adhesive between the cutting edge and the metal plate is cut, and the inclined surface at the top of the tool holder is matched, to realize the complete separation of the cell and the metal plate, and effectively avoid the cell deformation bulging problem caused in the tearing separation process.
Owner:WUHAN POWER BATTERY RECYCLING TECH CO LTD +2
Sorting device for ore decontamination of coal preparation plant
PendingCN121797488Aachieve separationGood sorting and separation effect and high efficiencyWet separationMining engineeringMechanical engineering
The invention relates to the technical field of coal mine separation, and discloses a separation device for ore decontaminating of a coal preparation plant, which comprises a retention barrel, a discharging hopper fixedly arranged at the top of the retention barrel, and a plurality of guide assemblies arranged in the retention barrel at intervals in the vertical direction, each guide assembly comprises a diversion bin fixedly connected to the inner wall of the retention barrel, a curve notch is formed in the flow dividing bin, the extending path of the curve notch is in an S shape, the channel width of the curve notch is gradually decreased in the gravity direction, and a first jet pipe facing the inner side curved surface of the curve notch is arranged at the S-shaped bent position of the curve notch. Through the arrangement of the guide assembly and the distribution assembly, in the coal mine separation process, a first jet pipe is used for jetting a coal mine mixture in a curved notch, gangue and coal dust and coal slime wrapped by coal are scrubbed, the utilization path is prolonged, and beneficial materials in the sunken position of the gangue are flushed when the gangue rolls back and jumps, so that the separation efficiency of the gangue is improved, and the separation efficiency of the gangue is improved. And the fine-grain clean coal mixed in the gangue layer is gently washed out, floats upwards and is recycled.
Owner:HUAIBEI MINING CO LTD +1
Method for preparing two-dimensional MXene material in seconds by high-energy shock fluorinated salt etching
ActiveCN117800339Bcontrol damageachieve separationTitanium carbideEnergy based chemical/physical/physico-chemical processesEtchingEngineering
The application belongs to the technical field of two-dimensional materials, and relates to a method for preparing two-dimensional MXene materials through high-energy electric shock fluorinated salt etching in seconds, which comprises the following steps: 1) after grinding and mixing of a parent phase MAX powder and a fluorinated salt, the mixture is loaded into a quartz tube of a high-energy electric shock device, graphite electrodes are inserted into two ends of the quartz tube, and the material is compacted to be in close contact with the electrodes; 2) after completion of capacitor charging of the high-energy electric shock device, a discharge button is opened, high-energy electric shock is performed, the reaction is completed after flash phenomenon occurs, fluorinated salt is supplemented, and electric shock is repeated for 2-3 times; 3) the product after electric shock is ground and washed with acid, and after washing with deionized water until neutral, standing or centrifugal layering is performed, and the MXene two-dimensional material is obtained from the upper layer. Through high-energy electric shock, the reaction is completed in an instant, the comprehensive energy consumption is lower, and the etching efficiency is faster, and due to fast reaction time, high-temperature oxidation of the MXene can be effectively inhibited, and the application prospect is better.
Owner:ZHENGZHOU UNIV
Etching cavity capable of realizing rapid switching of process gas
ActiveCN224503904UShorten the transmission distanceImprove pulse square wave effect
The utility model provides a kind of etching cavity for realizing process gas quick switching, and etching cavity includes plasma source chamber and reaction chamber, and the upper surface of reaction chamber is equipped with the gas inlet of process gas;Quick gas replacement device includes the gas pipeline, gas control assembly and gas inlet pipeline that are sequentially communicated along process gas gas inlet direction;Gas pipeline is communicated with process gas gas source, and gas inlet pipeline is communicated with gas inlet;Gas control assembly includes the input, gas inlet valve, flow controller, process gas branch and output that are sequentially communicated along process gas gas inlet direction;Input is communicated with gas pipeline, and output is communicated with gas inlet pipeline;Gas control assembly is also equipped with fixed plate, and fixed plate is installed in plasma source chamber, and the input, gas inlet valve, flow controller, process gas branch and output are sequentially installed in the fixed plate.The utility model solves the problem that deposition gas and etching gas are difficult to quickly switch and accurately control in quick alternate process.
Owner:JIANGSU ALPHA-SEMICON EQUIP CO LTD
Limiting device in climbing process of bridge high pier climbing frame
The application relates to a limiting device in the climbing process of a bridge high-pier climbing frame; the limiting device comprises a plurality of bearers, the bearers are rotationally connected on a middle platform of the climbing frame respectively, each bearer is perpendicular to the facade of the bridge high-pier, at least one roller is arranged on the side of the bearer close to the bridge high-pier, the roller is preferably a universal roller, the bearer is rotationally connected with the middle platform through a turnover mechanism, the bearer is fixedly connected with the turnover mechanism, the angle change between the bearer and the middle platform is realized through the movement of the turnover mechanism, and the bearers are arranged on the four edges of the middle platform; the application realizes the limiting effect of the climbing frame in the X and Y directions in the horizontal direction, strengthens the limiting function of the climbing frame, and guarantees the construction safety and construction quality.
Owner:THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV
Air compressor air-water positive pressure discharge auxiliary collection device
This utility model discloses an auxiliary collection device for positive pressure discharge of air and water from an air compressor. It includes a collection box with an opening at the top and a pressure relief cover installed at the opening. The pressure relief cover has an exhaust port. An air-water damping pipe is connected to the side wall of the collection box, connecting the inside and outside of the collection box. The upper end of the air-water damping pipe is installed on the side wall of the collection box and is used to connect to the outlet pipe of the air compressor's discharge valve. The lower end of the air-water damping pipe contacts a sound-absorbing pad. A damping diaphragm is installed inside the air-water damping pipe. A water-permeable and air-permeable sound-absorbing pad is installed inside the collection box, with the height of the sound-absorbing pad higher than the lower end of the air-water damping pipe. A drain outlet is located below the sound-absorbing pad in the collection box. This utility model utilizes the air-water damping pipe and the sound-absorbing pad to achieve water-air separation and pressure relief. The separated water is discharged from the drain outlet, and the separated gas is discharged from the exhaust port on the pressure relief cover. The exhaust pressure is close to atmospheric pressure, enabling open discharge.
Owner:南京恒生制药有限公司
Biological product extractor
This invention discloses a biological product extractor, belonging to the technical field of nucleic acid extraction equipment. The biological product extractor includes a support unit and a horizontally adjustable eccentric vibration module. The support unit includes, from top to bottom, an electromagnet disk, a temperature regulating element, and a first moving plate. The electromagnet disk is used to hold a type plate containing magnetic beads. The electromagnet disk is electrically connected to a control module to control its magnetic phase. The temperature regulating element is used to regulate the temperature of the type plate above the electromagnet disk. The output end of the horizontally adjustable eccentric vibration module is connected to the first moving plate to shake the type plate above the electromagnet disk. This invention combines the functions of a magnetic field module for regulating the aggregation and dispersion of magnetic beads, vibration and shaking, and temperature regulation. It avoids the addition and removal of biological products between multiple devices, reducing cross-contamination of biological products and improving the efficiency and quality of biological product preparation.
Owner:GUANGZHOU GOLDMAN SACHS INTELLIGENT MFG TECH CO LTD
Electric grounding switch with manual operation function
ActiveCN224248533URealize automatic opening and closingachieve separationAir-break switch detailsControl theoryMechanical engineering
Owner:ZHEJIANG WEIZHEN COMPLETE CABINET CO LTD
Method and system for rapid off-grid and black start inrush current suppression of microgrid for supply security
This invention discloses a method and system for rapid grid disconnection and black-start inrush current suppression in a power supply-guaranteed microgrid, belonging to the field of microgrid control technology. The microgrid includes a high-speed phase-controlled switch, a distribution transformer, and an energy storage converter configured at the grid connection point and the high-voltage side of the transformer. A status monitoring module monitors the distribution network's operating status in real time, and the microgrid controller generates disconnection or black-start commands accordingly. The rapid disconnection control module responds to the disconnection command by controlling the high-speed phase-controlled switch at the grid connection point to quickly open at a preset phase angle, simultaneously switching the energy storage converter to disconnection voltage source mode. Through flux linkage observation and compensation, the transformer flux linkage is maintained continuously, achieving millisecond-level seamless disconnection. The inrush current suppression module responds to the black-start command by collecting the transformer's residual magnetism parameters and calculating the optimal closing phase angle. It controls the energy storage converter to execute voltage ramp-up and current soft-start algorithms and controls the high-speed phase-controlled switch on the high-voltage side of the transformer to close at the optimal phase angle, suppressing inrush current.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD NINGBO POWER SUPPLY CO
A waste liquid collector for biopharmaceutical production
The utility model discloses a kind of waste liquid collectors for biological medicine production, belong to waste liquid collector technical field.A kind of waste liquid collector for biological medicine production, including base and the collection tank of being movably installed on base, liquid suction member is provided on collection tank, further include: slidingly installed on the separation plate of collection tank, and separation plate has wave crest and wave trough, and separation plate is annularly arranged with permeation hole, filter paper is provided on separation plate, when waste liquid passes through filter paper, filter paper separates solid in waste liquid;Mounting piece is fixedly installed on separation plate, and mounting piece is annularly arranged on separation plate;The utility model uses the cooperation of separation plate and filter paper for use, effectively separates solid and liquid in solid-liquid mixture, to avoid solid or semi-solid substance and liquid are collected simultaneously, cause subsequent in oxidizing environment material appears local overheating or spontaneous combustion phenomenon, improve the security when using collector.
Owner:SHENZHEN XPENARRAY BIOTECHNOLOGY CO LTD
Anti-interference network equipment junction box
The utility model discloses an anti -interference's network equipment terminal box, including terminal box main part, the terminal box main part includes the outer box body and the inner box body, is established with recess between the outer box body and the inner box body, and the recess is provided with the shielding layer, the inside of terminal box main part is provided with the supporting plate, is established with the connecting hole on the supporting plate, the top of terminal box main part is connected with the box cover through the connecting mechanism, the connecting mechanism includes the disc, and the both ends of disc are provided with operating lever and connecting column respectively, and the bottom of connecting column is provided with the bolt of screw joint cooperation with connecting hole. The utility model discloses scientific and reasonable structure design, realizes the adjustment to effective heat dissipation area through the cooperation of small vent and big vent respectively, and the connecting mechanism and the supporting plate realize the connection or separation effect through the mode of manual rotation operating lever, thereby realizes the detachable connection of terminal box main part and the box cover, not only makes both firm connection, also facilitates the dismounting.
Owner:SHANGHAI SHENGYONG ENG TECH CO LTD
Mechanized earthworm collecting device
ActiveCN224069516Uachieve separationReduce labor costsAnimal husbandryBiotechnologyAgricultural science
The mechanical earthworm collecting device comprises a chassis, a walking system, a mounting frame, a screening mechanism, a conveying mechanism and a cleaning mechanism, a power supply system and a control system are mounted on the chassis; the walking system is mounted at the bottom of the chassis; the mounting rack is mounted on the chassis; the screening mechanism comprises a driving assembly, a discharging groove, a collecting box and a screening barrel. The screening barrel is rotationally connected to the mounting frame, a plurality of screening holes are formed in the screening barrel, and the driving assembly and the discharging groove are both mounted on the mounting frame; the cleaning mechanism comprises a liquid storage assembly and a spraying assembly; the liquid storage assembly is installed on the upper portion of the chassis, the top of the liquid storage assembly is open, and the spraying assembly is installed on the installation frame. The other end of the spraying assembly is located on the outlet side of the inner cavity of the screening barrel. The liquid storage assembly is located under the spraying assembly. The earthworm collecting device can be used for separating and cleaning earthworms and breeding materials in the earthworm breeding bed and collecting finished earthworms, so that the collecting efficiency is effectively improved, and the labor cost for collecting the earthworms is saved.
Owner:BEIJING VOCATIONAL COLLEGE OF AGRI