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96results about How to "Put an end to the possibility" patented technology
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Novel coronavirus detection kit
PendingCN111187858AAccurate detectionPut an end to the possibilityMicrobiological testing/measurementMicroorganism based processesVirologyBioinformatics
The invention discloses a novel coronavirus detection kit. The kit comprises a qRT-PCR reaction liquid, a qRT-PCR enzyme liquid, an internal standard, a negative quality control substance and a positive quality control substance, wherein the internal standard is an RNA pseudovirus containing an internal reference detection gene fragment; the positive quality control substance is an RNA pseudoviruscontaining a target detection gene fragment; and the qRT-PCR reaction liquid comprises four groups of upstream and downstream primers with sequences of SEQ ID NO:1-8 and four probes with sequences ofSEQ ID NO:9-12. The kit can be used to simultaneously detect three sections of target gene fragments, so that missed detection can be effectively avoided. In addition, pseudoviruses are used in boththe internal standard and the positive quality control substance of the kit, so that safety of the kit is effectively improved, and detection accuracy of the kit is further ensured. The kit is high sensitivity and good in stability.
Owner:SICHUAN MACCURA BIOTECH CO LTD
Block chain borrowing method and system
InactiveCN108399567AAvoid the possibility and loss of accounts for lending and lending transactionsEnsure safetyFinancePayment protocolsChain systemBlockchain
The invention provides a block chain borrowing method and system. The method is applied to multiple borrower terminals in the block chain borrowing system. The method comprises the steps that a loan request is submitted to a block chain system; when a necessary information supplement notification sent by lender terminals or a risk management terminal is received, encrypted necessary information corresponding to the necessary information supplement notification is written into the block chain system, wherein the necessary information supplement notification is generated according to the loan request; multiple credit and loan electronic contract files sent by multiple lender terminals according to the loan request and a signature risk management result respectively are received, wherein thesignature risk management result is generated by the lender terminals or the risk management terminal according to the encrypted necessary information and written into the block chain system after being encrypted; the credit and loan electronic contract files which meet a preset condition are selected for signature, and target credit and loan electronic contract files are obtained. The problem oflow safety of a transaction process and data in the prior art is solved, and the method has the advantage of improving the safety.
Owner:数字乾元科技有限公司
Mechanical device for sanitary towel production
ActiveCN103750952AStop the increase of bacteriaPut an end to the possibilitySanitary towelsEngineeringNonwoven fabric
The invention discloses a mechanical device for sanitary towel production. The mechanical device for sanitary towel production comprises a toilet paper / dust-free paper covering device, a cotton core cutting device, a cotton core covering device, a heat seal embossing device, a release paper covering and combining device, a forming cutting device, an externally-covering film combining device, a three-folding covering device and a four-section cutting device which are all arranged in sequence according to the technical process, wherein a cast film and non-woven cloth are respectively conveyed to the cotton core covering device through a cast film conveying device and a non-woven cloth conveying device. According to the mechanical device for sanitary towel production, a protective layer is additionally arranged on the front surface of a sanitary towel and the front surface of non-woven cloth making contact with the human body, so that a conduct layer is hardly in contact with the surface of the device and the surfaces of the two hands of a user, the possibility that the bacteria quantity of the sanitary towel is improved in the production and use processes is eradicated, and a consumer can safely use the sanitary towel.
Owner:川田卫生用品(浙江)有限公司
Unidirectional physical separation network brake for USB optical fiber
InactiveCN101127680APut an end to the possibilityStrong adaptability to transmission distanceError preventionElectromagnetic transmission optical aspectsData transmissionRegular checks
The utility model relates to a USB bus-based, physically isolated gateway with unidirectional optical fibers, through which the low security network data can be transmitted in single direction to the high security network for information security field. For maximal security possible, remove the data response signal channel and use optical fiber with unidirectional repeating instrument to eliminate possible secret leakage in electrical coupling from low security network to high security network. The redundancy and journal statistics are used to realize real-time and regular check and analysis of the system for guaranteed integrality in data transmission; and timely remind clients to handle the errors. The low security network data gathered from the low security gateway computer is transmitted to the gateway data input system through a USB interface, and then transmitted to optical fiber input terminal, and through an optical fiber unidirectional repeater to the gateway data output system. After that, the network data is conveyed to the high security gateway computer through another USB interface and finally to the high security network.
Owner:胡德勇
Method for testing content of benzene and benzene series in water base adhesive for tobaccos
InactiveCN102253140APut an end to the possibilityEliminate the effects ofComponent separationRelative standard deviationAdhesive
The invention discloses a method for testing the content of benzene and benzene series in a water base adhesive for tobaccos. The method comprises the following steps of: preparing internal standard matrix correction liquid, standard working solution and sample solution; performing static headspace gas chromatography and mass spectrometry analysis; drawing a standard curve, calculating a result and the like. The improved and optimized detection method has the advantages of simplicity and accuracy in operation, high sensitivity, high recycling rate, high repeatability and the like. In the method, fluorobenzene is used as an internal standard for internal standard quantitative detection, so that errors caused by a sample preparation process, different sample injection quantities or different instrument precision and the like can be reduced effectively; and under the adopted chromatographic condition, the separation degree of five target compounds and an internal standard chromatographic peak is high and higher linearity relevance is high; and the detection limit is 0.40 to 0.84mu g / kg, the quantitation limit is 21.32 to 2.79mu g / kg, the marking recovery rate is 95 to 101 percent, and the average relative standard deviation is 0.91 to 2.46 percent.
Owner:HONGYUN HONGHE TOBACCO (GRP) CO LTD
Multi-functional natural gas and hydrogen mixing gas station and filling method
ActiveCN105090738AAchieve global masteryGuaranteed safe operationPipeline systemsPressure vesselsSCADAData acquisition
The invention relates to a multi-functional natural gas and hydrogen mixing gas station and a filling method and aims to provide a multi-functional mixing gas station for hydrogen and natural gas and a filling method to realize real-time and high-precision proportion-adjustable mixing filling of hydrogen and natural gas. A multi-functional high-pressure natural gas and hydrogen gas station system comprises a natural gas supply system, a hydrogen supply system, at least one gas mixing filling machine and a supervisory control and data acquisition (SCADA) system.
Owner:上海舜华新能源系统有限公司
Healthy energy-saving water dispenser
InactiveCN101579192AMeet needsAdjust the heat preservation temperature at willBeverage vesselsAutomatic controlWarm water
The invention discloses a healthy energy-saving water dispenser, which has the aims of health and energy conservation, carries out reconstruction of a water dispenser and design of control logic based on a programmable logic device, is designed for users of households and offices, and adopts various technology to furthest meet the requirements of different users. The water dispenser comprises three water tanks orderly connected in series, pipes connected with the three water tanks, and controllers, wherein the first water tank (1) is a water inlet end and is used for accommodating raw water which is not heated; the second water tank (2) is used for boiling water, directly boils the raw water injected into the water tank during use, cuts off a power supply after the raw water is boiled and waits for next injected water; the third water tank (3) is provided with a water outlet, has the function of heat insulation, is provided with a multi-shift adjustable water temperature controller, is pumped with the boiled water when the water level is not full, and is used for meeting the requirements of users on different water temperatures; a transmission controller for water from a cold water area to a boiled water area is a micro diving pump, and a transmission controller for the water from the boiled water area to a warm water area is an electromagnetic valve; and the controllers automatically control the work of the whole water dispenser.
Owner:SOUTHEAST UNIV
Prepayment consumption management method and system based on block chain and storage medium
ActiveCN110163595APut an end to the possibilityGuaranteed Refund DemandDiscounts/incentivesPayment protocolsAdvance paymentSmart contract
The invention discloses a prepayment consumption management method and system based on block chain, and a storage medium. The method comprises the steps of storing prepaid recharge paid by a customerinto a bank public supervision account; recording prepaid recharge information and consumption information paid by the customer through the block chain distributed account book; according to prepaid recharge money information and consumption information recorded on the block chain distributed account book, paying to a merchant for payment and settlement by a bank public supervision account; and according to the business information of the merchant, returning the prepaid surplus money to the customer based on a preset intelligent contract. According to the invention, the characteristics of non-tampering, traceability and verifiability of the block chain are utilized; the advance payment does not need to be stored in the merchant, the possibility that the merchant in the prepaid consumptionservice rolls the money and runs out of the way is eradicated, the transfer demand and the refund demand of the advance payment client can be guaranteed, the consumption safety of the client is improved, and the method can be widely applied to the field of the prepaid consumption service.
Owner:ZHUHAI COLLEGE OF JILIN UNIV
Composition for facial repair and preparation method thereof
ActiveCN103976891APromote growthScavenging oxygen free radicalsCosmetic preparationsToilet preparationsChemistryLiposome
The invention provides a composition for facial repair. The composition is composed of the following components in percentage by weight: 0.01 to 1% of EGF freeze-dried powder, 0.01 to 5% of SOD, 0.1 to 5% of active peptide, 0.01 to 2% of allantoin, and the balance being water; wherein the active components are all individually buried in liposome or covered by nano microcapsules before the mixing. The active effective components of the composition are individually buried in or covered by transfer vectors. Then the active effective components are transported to the corium layer or shallow corium layer by the transfer vectors to promote the cell metabolism, growth, proliferation, and differentiation, remove the free radicals and harmful substances, and improve the skin problems such as dull and yellow skin color, dryness, wrinkles, skin allergy, and the like.
Owner:BEIJING BIOSIS HEALING BIOLOGICAL TECH
Data storing device in pluggable electronic assembly and system and method for implementing anti-counterfeiting
ActiveCN101013456APut an end to the possibilityAnti-counterfeiting upgrade cost reductionInternal/peripheral component protectionSelection arrangementsCalibration algorithmData memory
The invention discloses data storage devices in pluggable electronic components, including secure storage unit, which includes calibration algorithm modules for storing calibration algorithms, and according to the received sample check request, resolve the samples by the checking algorithms, and sending the analysis sample values. Or, the secure storage unit also includes value processing units connected to the calibration algorithm modules to store sample values. It compare the stored values and the analysis sample values, if right, then send the security check pass result, or send the security failed result. The invention also discloses the systems and methods to implement pluggable electronic security components. Through the data memory, system and method in this invention, the pluggable electronic identification can be implemented efficiently, the imitation possibility of pluggable electronic components is eliminated, and the cost to upgrade security is reduced.
Owner:NEW H3C TECH CO LTD
Method for extracting fault signal feature information of aero-engine rotor system
The invention discloses a method for extracting the fault signal feature information of an aero-engine rotor system, and the method comprises the steps: collecting a rotor rub-impact vibration signal,and carrying out the FDM decomposition of the collected rotor rub-impact vibration signal to obtain complete rotor rub-impact vibration signal FIBFs components; constructing a Hankel matrix of the rotor rub-impact vibration signal after noise reduction, and drawing a singular value curve of the rotor rub-impact vibration signal after noise reduction; determining a singular value catastrophe point, carrying out the reconstruction of an order number, and carrying out the envelope spectrum analysis, thereby achieving the effective extraction of fault information. According to the invention, themethod achieves the reasonable extraction of the fault feature frequency of a rotor system based on the FDM decomposition and singular value differential spectrum analysis, and achieves the efficientfiltering of the noise signal component in the rub-impact vibration signal, thereby achieving the extraction of the weak fault feature information from the low-frequency strong noise background, and achieving the effective extraction of the fault information.
Owner:NANCHANG HANGKONG UNIVERSITY
Method for determining benzene and benzene series contents in flavor and spices for cigarettes
InactiveCN102230918APut an end to the possibilityEliminate the effects ofComponent separationPretreatment methodInternal standard
The invention discloses a method for determining benzene and benzene series contents in flavor and spices for cigarettes, and the method comprises the following steps: preparing an internal standard matrix correction liquid, a standard working solution and a sample; detecting and analyzing the standard working solution and the sample by means of a headspace gas chromatography mass spectrometer; drawing a standard curve; and calculating to obtain the result. According to the invention, the complicated sample pretreatment process is omitted, the influence and interference on the analysis of volatile components in the sample are eliminated, and errors caused by the reproducibility of the pretreatment method and the precision problem of the instrument are reduced. The used chromatographic conditions ensure that five types of target compounds and internal standard chromatographic peaks are better separated, the detection limit is 0.91-1.82 mug / kg, the standard recovery rate is 94-103%, and the average relative standard deviation is 3.9-4.9%, thereby reflecting that the method disclosed by the invention has the advantages of high recovery rate and good repeatability.
Owner:HONGYUN HONGHE TOBACCO (GRP) CO LTD
Key generation method and system in switching process
InactiveCN103139771APut an end to the possibilityImprove securitySecurity arrangementCommunications systemKey generation
The invention discloses a key generation method and system in a switching process. The method includes that a network side uses next hop parameter NH to generate next hop secret key evolved node B (KeNB) in user equipment (UE) switching process; a base station is not informed of the NH generated by the network side; the network side and the UE side respectively use next hop chaining counter (NCC) values informed by a target base station to synchronize with next hop KeNB; and the target base station is informed of the next hop KeNB generated by the network side. The base station can not acquire NH, so that the next hop KeNB can not be generated, the possibility of illegally acquiring next hop KeNB is reduced, and the forward security is guaranteed. By means of the method and the system, the safety of a communication system is greatly improved.
Owner:ZTE CORP
Biomass particle furnace
PendingCN108506924ATimely dumpAvoid cloggingFuel supply regulationSolid fuel combustionControl systemBiofuel
The invention discloses a biomass particle furnace which comprises a shell, a feeding device (1), a combustion device (2), a water circulation system, a control system (3) and an operation panel; thefeeding device (1) and a box body (21) of the combustion device (2) are both in a cylinder shape and rotate perpendicular to the ground plane by taking shafts of cylinders as rotation axes; an unloading groove (12) is divided into a plurality of unloading bins (122) by unloading bin partition plates (121); the box body (21) of the combustion device (2) is divided into 3-12 combustion cavities (211) by combustion cavity side walls (2111); openings of the unloading bins (122) and the combustion cavities (211) all face outwards; and the lower side of an outlet of an unloading passage (13) of thefeeding device (1) is the uppermost position of the box body (21). The invention provides the biomass densified biofuel combustion furnace which is automatic in unloading without blocking, full in combustion, timely in cleaning cokes and dust, efficient in running and relatively long in service life.
Owner:北京国奥天开信息技术有限公司
Method for determining volatile organic compounds in polyvinyl acetate type water-based adhesive
ActiveCN102879511APut an end to the possibilityEliminate the effects ofComponent separationPolyvinyl acetateGas chromatography mass spectrometer
The invention discloses a method for determining volatile organic compounds in polyvinyl acetate type water-based adhesive. The method is applicable to determination of over twenty types of volatile organic compounds simultaneously, and includes steps of respectively preparing matrix calibrating solution, standard working solution and sample solution; analyzing the prepared standard working solution and sample solution by a static headspace gas gas chromatography mass spectrometer; and quantitatively analyzing contents of the volatile organic compounds in the polyvinyl acetate type water-based adhesive. The method has the advantages that detection cost and time are reduced greatly, the gap in the volatile organic compounds in the polyvinyl acetate type water-based adhesive is filled, experimental error caused in the prior art can be overcome well owning to a sample preparation manner, and the improved method is easy to operate, accurate, high in flexibility and recovery rate, good in repeatability and the like.
Owner:GANSU TOBACCO IND
Tail gas purifier and metal fiber carrier fastening element and fastening method thereof
InactiveCN102852941AAvoid adverse effectsPut an end to the possibilityExhaust apparatusSilencing apparatusExhaust gasFastener
The invention discloses a tail gas purifier and a metal fiber carrier fastening element and a fastening method thereof. The metal fiber carrier fastening element for fastening a metal fiber carrier made of metal fiber screen mesh in a coiling way; the metal fiber carrier fastening element comprises a fastening part and a locking part which are fixedly connected into an integral structure; the fastening part is provided with a dual-screw structure matched with meshes in the metal fiber screen mesh; and the size of the locking part is greater than that of the meshes. According to the technical scheme, a unique dual-screw structure is adopted for fixing, adverse effects generated by the fracture of metal screen meshes are prevented completely, and the possibility of metal fiber carrier layering is eradicated radically, thus the metal fiber carrier is homogeneous and complete, meanwhile, the catalytic and purification efficiency of the metal fiber carrier is intensified greatly, the through performance of the metal fiber carrier is ensured, and the purification capability of the metal fiber carrier is improved.
Owner:科林蓝泰环境科技(长春)有限公司
Database management method and database system
InactiveCN107368485AAvoid lossImprove stabilityRelational databasesSpecial data processing applicationsRelational databaseUser equipment
Embodiments of the invention disclose a database management method and a database system, and relate to the technical field of databases. The stability of data reading / writing in the system can be improved. The method comprises the steps of receiving to-be-written data sent by user equipment, and writing the to-be-written data into a Master node in a cluster; transmitting the to-be-written data to at least two Slave nodes corresponding to the Master node and located in a partition where the Master node is located from the Master node, and detecting whether the Master node receives a response message sent by at least one Slave node, wherein the response message is sent by the Slave node successfully written with received data; and if the Master node receives the response message sent by the at least one Slave node, sending a notification message to the user equipment, wherein the notification message is used for representing a database successfully written with the to-be-written data. The method is suitable for data reading / writing management of a relational database.
Owner:SUNING COM CO LTD
Chip defect image classification method based on ResNet network
InactiveCN113076989AImprove classification accuracyPut an end to the possibilityCharacter and pattern recognitionNeural architecturesSample graphActivation function
The invention relates to the technical field of deep learning, in particular to a chip defect image classification method based on a ResNet network, classification is performed through the ResNet network, and the method comprises the following steps: dividing obtained sample data into a training set, a verification set and a test set; preprocessing the sample; using a training set and a verification set in the processed sample image for training an established network model; using the trained network model as a test model, using the remaining test set in a test network, and finally outputting a classification result through an activation function. Through preprocessing, the situation that a large amount of calculation work and time need to be consumed in order to process the whole image due to the fact that the original image size of a sample is large is avoided, through data enhancement, the possibility of over-fitting is prevented, and the classification performance can be improved by increasing more feature information; the problem of gradient disappearance or gradient explosion and the problem of learning efficiency degradation are solved through the residual block.
Owner:TAIYUAN UNIV OF TECH
Engine belt transmission wheel series
InactiveCN101196138APut an end to the possibilityLow costGearingMachines/enginesDrive wheelEngineering
The invention discloses a belt drive wheel system for engine accessory in BSG system, which comprises a belt, a crankshaft pulley, a starting / generator and a tension pulley. The invention is characterized in that: a tension pulley is also provided; two tension pulleys are positioned at two ends of the starting / generator in dissymmetry. The tension pulley is configured as a mechanical tension pulley. Because the drive wheel system adopts the special layout of two mechanical tension pulleys in dissymmetry, the invention does not only realize the possibility of driving big power motor but also reduce the tension and vibration in the system. Therefore, with feasible tension of belt, reliable working, long service life and low cost, this invention can be best applied for the belt drive wheel system for engine accessory in BSG system.
Owner:CHERY AUTOMOBILE CO LTD
Green electricity source tracing method and device based on block chain
PendingCN113010605APut an end to the possibilityTamper-resistantDatabase distribution/replicationDigital data protectionPower usageData store
The invention provides a block chain-based green electricity source tracing method and device. The method comprises the steps: enabling a data collection device to carry out the digital signature of collected power generation data and power utilization data, and uploading the data to a block chain, and enabling a server to obtain the corresponding power generation data and power utilization data of a target region in a preset time period based on the data stored in a block chain system, drawing a power generation curve by using the power generation data, and drawing a load curve by using the power consumption data; and then, calculating a curve matching degree of the load curve and the power generation curve, and obtaining green power data corresponding to the load of the target region in a preset time period. According to the above process, the scheme can accurately measure the green power data in the power consumption data, such as the green power ratio and the green power, and provides a data basis for effectively measuring the contribution of the user to low carbon emission reduction. Moreover, according to the scheme, the possibility of manually modifying the data is avoided, so that the data has a tamper-proof characteristic, and the obtained green power data has a traceable characteristic.
Owner:合肥零碳技术有限公司
Equipment and method for authenticating block chain data by utilizing spatio-temporal information
ActiveCN111586029AGuarantee authenticityEliminate the possibility of transferring dataSecuring communicationPoint dataServer
The invention discloses equipment and a method for authenticating block chain data by utilizing space-time information. The equipment comprises a space-time block chain terminal, a space-time coding module, a block chain module and a server, according to the invention, it is ensured that only if the data generated in the specified time of the specified position is correct and effective, the data can be uploaded to the block chain system; the possibility that a counterfeit terminal transmits data to the block chain system is avoided; the possibility that fake satellite positioning data generates space-time codes and a space-time block chain label transmits data to a block chain system is avoided, so that the data source transmitted to the block chain is reliable; the time of the equipment is difficult to tamper; a block chain intelligent contract is adopted, the characteristic that the block chain intelligent contract cannot be tampered is achieved, distributed storage is achieved, andit is guaranteed that the system can still operate normally even if part of server node data is lost or damaged.
Owner:北京数码汇博科技有限公司 +1
Airborne LIDAR three-dimensional plane detection method based on multi-valued voxel model
The invention discloses an airborne LIDAR three-dimensional plane detection method based on a multi-valued voxel model. The method comprises the following steps: regularizing airborne LIDAR point cloud data into the multi-valued voxel model; then searching for a small-curvature voxel from multi-value voxel model DSM data as a seed by utilizing the smoothness characteristic of a plane, and markinga communication area which is in three-dimensional communication with the seed and is consistent with the normal vector direction as the plane; marking voxels, of which reflection intensity values meet statistical characteristics, in the non-DSM data of the multi-valued voxel model as planes, wherein the voxels are located in the buffer area range of the connected region; and finally, merging theplane communication regions, so that the possibility that a real plane is segmented into a plurality of plane communication regions due to non-uniform point cloud density and the like is avoided. According to the method, a multi-valued voxel model construction scheme of airborne LIDAR point cloud data and a plane detection scheme based on the multi-value voxel model construction scheme are provided, and development of airborne LIDAR point cloud data processing and application based on the multi-value voxel model theory is facilitated.
Owner:LIAONING TECHNICAL UNIVERSITY
Airbag fabric
InactiveCN101421451AImprove performanceReduce manufacturing costPedestrian/occupant safety arrangementWoven fabricsYarnDifferential pressure
Fabric for an airbag, comprising warp threads and weft threads, in particular using multifilaments, characterized by a weave density greater than the 95% Professor Walz standard. It can also have a permeability (LD) of less than 3 l / dm<2> / min (at 500 Pa differential pressure) pursuant to ISO 9237, and can be characterized by a warp / weft insertion ratio greater than 1.
Owner:ITG AUTOMOTIVE SAFETY TEXTILES GMBH
Chemical method and composition for soil improvement
InactiveCN102995625APut an end to the possibilityKeep aliveOther chemical processesOrganic fertilisersBase oilPour point
A composition for chemical soil improvement includes a synthetic fluid or base oil, a pour point depressant, polyisobutylene, and synthetic fibers, and various combinations thereof.
Owner:MIDWEST IND SUPPLY INC
Composition for face moistening and preparation method thereof
ActiveCN103932897AImprove microcirculationEnhance skin moistureCosmetic preparationsToilet preparationsDermisChemistry
The invention provides a composition for face moistening. The composition comprises the following components in percentage by mass: 0.01-5 percent of hyaluronic acid, 0.01-5 percent of hydrolyzed collagen, 0.01-5 percent of NFM, 0.1-10 percent of squalene, 0.5-5 percent of glycerinum, 0.01-5 percent of vitamin E and the balance of water, wherein hyaluronic acid, hydrolyzed collagen, NFM and vitamin E are independently embedded with liposome or coated with nano-microcapsules before being mixed. The activated effective components of the composition are independently coated or embedded with transporters, pass through the horny layer by virtue of transportation of the transports and are delivered to the corium layer or the superficial corium layer, so that skin is nourished, skin moisture is prevented from vaporizing, the micro-circulation is improved, and the skin moisture degree is strengthened.
Owner:BEIJING BIOSIS HEALING BIOLOGICAL TECH
Cutter
InactiveCN1933910APrevents the risk of being inserted upside down into the cartridgePrevents the risk of insertion into the cartridgeGrain treatmentsKnife bladesEngineering
The invention relates to a cutter knife (8), a cutter head disk (1) and a system including the inventive cutter head disk and the inventive knife, wherein the cutter knife includes a longitudinal bore enabling only one cutter knife to be arranged on the cutter head disk, the longitudinal bore thereof being compatible with the pin. The scaling on the longitudinal bore makes it possible to verify the position of the cutter knife in relation to the cutter head disk.
Owner:CFS GERMANY
Safe recovery system and method for converter flue gas waste heat
ActiveCN107058673AIncrease disturbanceEnhanced mixing processIncreasing energy efficiencyManufacturing convertersRecovery methodFlue gas
The invention discloses a safe recovery system for converter flue gas waste heat. The safe recovery system comprises a waste heat boiler, a centrifugal force dust removal device, a flue gas uniform flow waste heat recovery device and a fine dust removal device; an inlet of the waste heat boiler communicates with a flue gas outlet of a converter; an outlet of the waste heat boiler communicates with a gas inlet of the centrifugal force dust removal device; a gas outlet of the centrifugal force dust removal device communicates with an inlet of the uniform flow waste heat recovery device; an outlet of the uniform flow waste heat recovery device communicates with an inlet of the fine dust removal device; and a plurality of swirlers are arranged in the waste heat boiler. The invention further discloses a safe recovery method for the converter flue gas waste heat. The system and the method have the beneficial effects that the swirlers break boundary layers of flue gas flows in the waste heat boiler, enhance disturbance and mixing of the gas flows and promote rapid mixing of CO in flue gas and O2 in the air sucked by a furnace opening so that the CO in the flue gas can be subjected to complete combustion reaction above the spontaneous ignition point of the CO, mixed gas discharged out from the waste heat boiler is outside the explosion limit range, and therefore the possibility of explosion of the flue gas in the subsequent treatment process can be greatly reduced.
Owner:WISDRI ENG & RES INC LTD
Polymerization polystyrene plate and preparation method thereof
InactiveCN103964807AFast curingPlay the role of fire preventionThermal insulationThermal conductivity
Owner:YADA BUILDING NEW MATERIAL SHANGHAI
Insurance claim settlement system based on block chain
PendingCN114757789AGuarantee authenticityImprove securityFinanceDigital data protectionEngineeringDatabase
The invention relates to the technical field of information, in particular to an insurance claim settlement system based on a block chain, which comprises an archive subsystem and a claim settlement service subsystem, and is characterized in that the claim settlement service subsystem comprises an acceptance subsystem, an association subsystem and a claim settlement subsystem; an archive subsystem collects business archives of a service subject, extracts evidence storage hash values of the business archives and extracts hash values of identifiers of a served subject, if a consistent identification code exists, the business archives are encrypted and then uploaded to a block chain, and an association subsystem polls the block chain and decrypts to obtain all the business archives, and after a preset duration, the association subsystem sends the business archives to the service subject. And the claim settlement subsystem obtains the total amount of claim settlement of the insurance subject according to all the business archives associated with the claim settlement task, and completes the claim settlement task. The method has the substantive effects that the authenticity of the business archive is ensured, and the safety of the business archive is favorably improved.
Owner:浙江数秦科技有限公司
Novel fingerprint lock
InactiveCN102278009BAvoid safety hazardsPrevent peepingCharacter and pattern recognitionElectric permutation locksLiquid-crystal displayPassword
The invention discloses a fingerprint lock. A housing comprises a panel (1), a liquid crystal display screen (2) is arranged at the uppermost side of the front face of the panel (1), a buzzer (3) is arranged below the liquid crystal display screen (2), a fingerprint recognition system (4) is arranged below the buzzer (3), a touch screen (5) is arranged below the fingerprint recognition system (4), a lever handle (6) is arranged below the touch screen (5); the bottom of the panel (1) is provided with an external power supply column (7) and a mechanical key hole (8); a circuit board (9) is arranged above the inside of the panel (1), a chip (10) is arranged below the circuit board (9), a shaft of the lever handle (6) is arranged below the chip (10), a motor (13) is arranged below the shaft of the lever handle (6), and an external power supply base (12) and a mechanical key housing (11) are respectively arranged at the left and the right of the downside of the motor (13). The novel fingerprint lock can be opened by adopting one or combination of fingerprints, touch screen passwords and traditional mechanical keys.
Owner:兰溪市卓越电子有限公司
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