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153results about How to "Take convenience" patented technology

Device and method for detecting sulfur trioxide in flue gas on line

The invention discloses a device and a method for detecting sulfur trioxide (SO3) in flue gas on line. The device comprises a flue gas collecting unit, a gas liquid separator, a gas phase detection unit, a first solution tank, a liquid phase detection unit and a digital control unit, wherein the gas liquid separator is used for condensing SO3 in the flue gas from a flue gas sampling unit into sulfuric acid liquid drops and separating the sulfuric acid liquid dropsfrom gas phase; the gas phase detection unit is used for measuring the flow of the gas phase from the gas liquid separator; the first solution tank is used for providing an absorption liquid to the gas liquid separator and mixing the absorption liquid with the sulfuric acid liquid drops to form mixed liquid; the liquid phase detection unit is used for measuring the mass of the transformed SO3 in the mixed liquid from the gas liquid separator; and the digital control unit is used for calculating the SO3 concentration of the flue gas according to the detection results of the gas phase detection unit and the liquid phase detection unit. According to the device and the method, on-line measurement of the SO3 of the flue gas is realized, the SO3 of the flue gas is sampled and the SO3 content is analyzed, so that a coal-fired power plant can take corresponding measures conveniently, the SO3 content of the flue gas is controlled, the corrosion to a flue and equipment is reduced, and the heat loss due to exhaust smoke of a boiler is reduced to the maximum degree.
Owner:ZHEJIANG UNIV

Device and method for tracking frozen soil active layer water movement and underground ice freeze-thaw process

The invention discloses a device and a method for tracking frozen soil active layer water movement and underground ice freeze-thaw process. The tracking device comprises a precipitation tracer releasing device, an active layer water and underground ice freeze-thaw simulating device, and a drainage collecting device. The precipitation tracer releasing device is used for mixing a man-made tracer with natural water body to label water and form rain intensity controllable simulated precipitation; the active layer water and underground ice freeze-thaw simulating device contains test soil and is used for monitoring soil temperature and soil water content in real time; and the drainage collecting device is used for collecting the produced water. The device and the method disclosed by the invention can directly observe the active layer water and underground ice in every space of the test soil at different time periods of precipitation runoff generation, underground ice development, underground ice thawing, and so on, can automatically monitor ground temperature and soil water content, and can conveniently and rapidly collect underground ice and soil water samples in every space in the freeze-thaw process. The solute and isotopic tracer technique has strong physical basis, and can improve observation efficiency.
Owner:HOHAI UNIV

Spiral-stirrup square steel tube concrete column and manufacturing method thereof

The invention relates to a spiral-stirrup square steel tube concrete column comprising a square steel tube, a spiral stirrup and concrete. The spiral-stirrup square steel tube concrete column is characterized in that the square steel tube is connected with the spiral stirrup by spot welding to form a spiral-stirrup square steel tube, and the concrete is directly cast into the spiral-stirrup square steel tube. The spiral-stirrup square steel tube concrete column integrates the advantages of a square steel tube concrete column and a round steel tube concrete column and has the advantages of simple node, convenience in processing, short construction period, convenience in the adotpion of fire-prevention plates and the like because the outer part of the spiral-stirrup square steel tube concrete column is the square steel tube; and because the spiral stirrup is arranged in the spiral-stirrup square steel tube concrete column, the restraining capacity of the square steel tube on the core concrete is enhanced so that the bearing capacity of the steel tube concrete column is increased, and the area of a column section is reduced. The spiral-stirrup square steel tube concrete column has simple production process and high production efficiency and is especially suitable for the structures of high-rise buildings.
Owner:TIANJIN UNIV

Intelligent environment monitoring system

The invention discloses an intelligent environment monitoring system which comprises an information collecting unit, a PM 2.5 detecting unit, a central processor, a controller, an air purification unit and a back-end server. The information collecting unit comprises a temperature and humidity sensor, an air pressure sensor and an air speed sensor; the PM 2.5 detecting unit is used for detecting concentration data of indoor and outdoor particle matters, with the particle diameter being smaller than 2.5 [mu]m, of a fortified area; and the central processor is used for receiving electrical signals converted by all numerical values detected by the information collecting unit, and all the numerical values are compared with the threshold values of the temperature, the relative humidity, the absolute pressure intensity, the air speed, the air volume, the PM 2.5 concentration. According to the monitoring system, indoor and outdoor environment-related parameters and the PM 2.5 concentration are monitored in real time, starting and stopping of an air purification device and a temperature and humidity regulation device are automatically controlled, the indoor air quality and environmental comfort level are maintained, and the time and cost for artificial regulation and control are saved.
Owner:合肥博之泰电子科技有限公司

Aerating device for pitot

The invention discloses an aerating device for an pitot. The aerating device mainly comprises a total pressure connecting pipe, a middle end cover, a static pressure connecting pipe, an end cover and a sealing component. The aerating device is characterized in that air current is injected from the outside to compress the sealing component in the static pressure connecting pipe, and a rubber part of the sealing component is enabled to deform, thereby plugging the pitot needing to be tested, preventing circumferential rotation of the pitot, overcoming an acting force applied in the axial direction of the pitot, preventing axial drifting of the pitot, reducing unstable factors in the aerating process of the pitot, and facilitating the improvement on performance detection precision of relevant sensors inside the pitot and convenience and quickness of actual operation. According to the aerating device for the pitot, disclosed by the invention, a segmented adjustable structure can be realized; compared with a traditional aerating device, the aerating device disclosed by the invention has the advantages that the defects of being heavy in handling and tedious in operation and long time for replacing testing parts, and the like of the aerating device are overcome; the aerating device also has the advantages of good sealing effect, light weight, convenience in carrying and operation, high working efficiency and the like, and can adapt to multiple operation environments.
Owner:HUAZHONG UNIV OF SCI & TECH

Spiral rotating shaft type local reverse circulation core drill bit

The invention discloses a spiral rotating shaft type local reverse circulation core drill bit. The spiral rotating shaft type local reverse circulation core drill bit at least comprises a connector, a transition element, a communication element, an inner pipe and an outer pipe. The upper end of the connector is connected with a drill rod. The middle section of the connector is connected with the outer pipe. The lower end of the connector is connected with the transition element. The hollow transition element is internally provided with the communication element. The outer portion of the lower end of the communication element is connected with the inner pipe through an inner pipe connector. The inner pipe is arranged in the outer pipe in a sleeved mode. The outer pipe is connected with a reamer and a core drill head. The spiral rotating shaft type local reverse circulation core drill bit further comprises a spiral rotating shaft. The spiral rotating shaft is installed in the hollow communication element after being supported through a pair of conical roller bearings and two bearing bases. Meanwhile, the upper end of the spiral rotating shaft is connected into the connector, the interior of the lower end of the communication element leads to the inner pipe after being in threaded connection with a one-way part base, a large thrust bearing is arranged between the transition element and the communication element, a small thrust bearing is arranged between the transition element and the spiral rotating shaft, and the 'two-pipe single-rotating' effect in the drilling process of the drill bit is achieved. According to the spiral rotating shaft type local reverse circulation core drill bit, the spiral blade and two-pipe single-rotating reverse circulation working principles are combined, and the collecting rate of drill cores is effectively improved.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Dustproof type electronic box placing shelf convenient to move

The invention relates to a placing shelf, in particular to a dustproof type electronic box placing shelf convenient to move, and aims to solve the technical problem of providing a dustproof type electronic bookshelf convenient to move, which can be convenient to move, can allow electronic boxes to be conveniently placed and stored, and has the effect of being dustproof. In order to solve the technical problem, the invention provides the dustproof type electronic bookshelf convenient to move. The dustproof type electronic bookshelf convenient to move comprises a bottom plate, universal wheels, a travelling mechanism, first placing plates, second placing plates and a dustproof mechanism, wherein the universal wheels are symmetrically arranged on the front side, the rear side, the left side and the right side of the bottom of the bottom plate; the travelling mechanism is arranged at the top of the bottom plate; the left side of the travelling mechanism is uniformly connected with the first placing plates; and the second placing plates are uniformly connected to the right side of the travelling mechanism. According to the dustproof type electronic box placing shelf disclosed by the invention, firstly, the travelling mechanism is arranged, so that the effect of conveniently and stably placing the electronic boxes can be achieved; and besides, the dustproof mechanism is arranged, so that the effect of being dustproof for the electronic boxes can be achieved.
Owner:大河互联科技(新沂)有限公司

Puncturing sampling device for medical oncology

InactiveCN109938779ASufficient amountWon't mix problemSurgical needlesRedundant tissue
The invention discloses a puncturing sampling device for medical oncology. The puncturing sampling device comprises a sampling needle drum, a clamping mechanism, a pushing-pulling shaft, a sampling mechanism and a secondary picking mechanism, wherein the clamping mechanism is arranged on the right side of an outer ring of the sampling needle drum, the pushing-pulling shaft is movably clamped in aninner cavity of the sampling needle drum, the secondary picking mechanism is arranged in the middle of the left side of the sampling needle drum, and the sampling mechanism is installed on the left side of the secondary picking mechanism; the clamping mechanism comprises a rotating ring, an extending piece and an arc clamping plate; the sampling mechanism comprises a conical block, a containing groove, a first cutoff ring, a center shaft and a strong spring, the left side of the first cutoff ring is fixedly connected with the an outer ring of the right side of the conical block, and the leftside of the center shaft is fixedly welded to the center of the inner wall of the containing groove. The end inserted into the human body of the puncturing sampling device for medical oncology is designed through a closed solid, during needle inserting, the pain feeling is reduced, and compared with a hollow needle, it can be avoided that redundant tissue is sampled during needle inserting throughthe puncturing sampling device.
Owner:NANYANG CITY CENT HOSPITAL

School bus safe shuttling system

The invention relates to a school bus safe shuttling system. The school bus safe shuttling system comprises a vehicle-mounted data processor; the school bus safe shuttling system further comprises a pre-stored person information processing module, an on-board person information processing module, a shuttling person information processing module and an information feedback module; the pre-stored person information processing module mainly comprises a pre-stored person information reading device; the on-board person information processing module mainly comprises an on-board person information reading device; the shuttling person information processing module mainly comprises a shuttling person information reading device; the pre-stored person information reading device, the on-board person information reading device and the shuttling person information reading device are in downlink connection with a data comparison processor; the data comparison processor is in downlink connection with the vehicle-mounted data processor; the information feedback module mainly comprises a display screen device, a printing device, an alarm device and a monitoring device; and the display screen device, the printing device, the alarm device and the monitoring device are all directly connected with the vehicle-mounted data processor.
Owner:段卫锋

Soil sampling device for land pollution detection and using method thereof

The invention discloses a soil sampling device for land pollution detection and a using method thereof. The soil sampling device comprises a supporting base, a handle is fixedly installed in the middle of the front portion of the supporting base, turnover mechanisms are arranged on the two sides of the supporting base correspondingly, and a depth sampling mechanism is arranged in the middle of theinner side of the supporting base; the depth sampling mechanism comprises a sampling cylinder, a fixing piece, a motor, a rotating shaft, spiral blades, a discharging pipe, a connecting piece and a drill bit; and a material receiving mechanism is arranged on one side of the upper part of the supporting base. According to the soil sampling device for land pollution detection, on the one hand, thedevice cost is reduced, the structure is simple; on the other hand, the operation convenience is improved, the use effect is improved. Besides, soil samples with different depths can be conveniently collected, the sample collection effect is greatly improved, the practicability is higher, and in addition, the practicability is higher. In addition, material receiving becomes convenient; the collected samples can be conveniently taken out, and the material receiving barrel is very convenient and rapid to mount and dismount.
Owner:NANJING HANERSI BIOLOGY TECHNOLOGY CO LTD

Storage cabinet for smart home

The invention discloses a storage cabinet for smart home. The storage cabinet for the smart home comprises a base, a cabinet body and storage plates; the cabinet body is fixedly installed on the top of the base, bearings are correspondingly arranged in the middle of the top end of the inner part of the cabinet body and in the middle of the bottom end of the inner part of the cabinet body, the inner part of the cabinet body is movably provided with a rotating shaft through the two bearings, the number of the storage plates is three, the three storage plates are installed on the rotating shaft at equal intervals, one end of the inner part of the base is fixedly provided with a suction fan, one side of the suction fan is fixedly provided with a filter box, the side wall of the side, close to the filter box, of the suction fan is fixedly provided with an air inlet pipe, the suction fan is in mutual communication with the filter box through the air inlet pipe, and the side wall of the side, away from the suction fan, of the filter box is fixedly provided with an air suction pipe. According to the storage cabinet for smart home, by arranging a series of structures, the storage cabinet for smart home has the characteristics of convenient movement and good object-storage effect.
Owner:江苏龙合物联科技有限公司

Mobile phone internal support plate appearance visual inspection device

ActiveCN113252696AComprehensive and precise shootingComprehensive and accurate detectionOptically investigating flaws/contaminationSortingVisual inspectionMechanical engineering
The invention relates to a mobile phone internal support plate appearance visual inspection device which is provided with a rack and a working platform, the working platform is provided with a feeding station, a detection station, a carrying station and a discharging station, the feeding station is provided with two feeding mechanisms which are oppositely arranged, the detection station is provided with a first detection mechanism and two oppositely-arranged second detection mechanisms, the carrying station is provided with two oppositely-arranged carrying mechanisms, the discharging station is provided with two oppositely-arranged discharging mechanisms, and the feeding mechanisms are in one-to-one correspondence with the carrying mechanisms and the discharging mechanisms; and the support plates on all the feeding mechanisms are transferred to the first detection mechanisms through the corresponding carrying mechanisms, the support plates are transferred to the corresponding second detection mechanisms through the corresponding carrying mechanisms to be detected after detection is completed, and the support plates are carried to the corresponding discharging mechanisms to be distributed and discharged after detection is completed. The device can realize comprehensive, rapid and accurate detection of the support plate, and is efficient and practical.
Owner:CHANGZHOU MICROINTELLIGENCE CO LTD

Pneumatic butterfly valve

The invention provides a pneumatic butterfly valve which comprises a valve body, wherein a valve rod is arranged in the valve body in a penetrating manner; the upper end of the valve rod is exposed tothe external part of the valve body; a valve is arranged in the middle of the valve rod; the pneumatic butterfly valve is characterized in that the upper end of the valve rod is positioned in a bracket; the valve body and a cylinder are connected and fixed with the bracket; the upper end of the valve body is connected with a connecting block in the bracket; a gear output shaft is arranged in thecylinder and is connected with the connecting block; two rack pistons are symmetrically arranged on the two sides of the gear output shaft; the gear on the gear output shaft is meshed with the racks of the two rack pistons; the two rack pistons do straight reciprocating motion through air source pressure; and the rack pistons drive the gear output shaft to rotate during the moving process. The pneumatic butterfly valve adopts the air as the power source to control the butterfly valve to be automatically closed and opened, so that the error is reduced. In addition, the air has the advantages ofbeing convenient to collect and free of pollution, is suitable for being used in the anti-explosion and flame-proof field and has wide application prospect in the service field.
Owner:上海宏芃流体科技有限公司
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