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53results about How to "Less material investment" patented technology
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Bluetooth door opening system based on community management and method
InactiveCN106327637AGood safety effectEasy to operateIndividual entry/exit registersMobile phoneOnline and offline
The invention discloses a bluetooth door access system and method based on community management. A unique and encrypted string can be automatically generated according to the owner's house information through the community management cloud platform, which will be acquired by the bluetooth door access unit at the mobile terminal and configured as a key, then the key will be sent to the control unit on the access control, which will control the relay to open the door through key validity comparison; for owners, it generates a special arranged encrypted bluetooth key enabling door opening online and offline; for visitors, it generates an encrypted one-time two-dimensional code key for opening the door; it achieves bluetooth and two-dimensional code data identification, key analysis and door opening through the control unit. It is featured by simple operations and high security coefficient, which can reduce the manpower input of the property, improve community security, and spare owners' trouble of carrying the card. They can use the mobile phone to open the door instead.
Owner:QINGDAO ELINK INFORMATION TECH
Experimental device for forming jet flow by drifting water with high-speed airflow and generating supersaturated total dissolved gas
The invention relates to an experimental device for forming jet flow by drifting water with a high-speed airflow and generating supersaturated total dissolved gas, which comprises a water column, a flowmeter, an air compressor, valves, a total dissolved gas determinator, a water pump, a jet pipe, a nozzle and a nozzle hole. The water column is designed into a main water column and an auxiliary water column, the nozzle hole in the wall of the main water column is connected with a rubber hose, a third valve is mounted on the rubber hose and communicated with the auxiliary water column, the air compressor is connected with one end of the flowmeter by a first valve, the other end of the flowmeter is connected with the jet pipe by a three-way pipe, the jet pipe is connected with the nozzle which is arranged in the main water column, the three-way pipe is connected with the water pump by a second valve, the water pump is arranged in the auxiliary water column by a pipeline, a fourth valve is mounted at the bottom of the auxiliary water column, a fifth valve is mounted at the bottom of the main water column, and a probe of the total dissolved gas determinator is inserted in the main water column. The experimental device can be used for simulating the submerged discharge, the free discharge and the total dissolved gas saturation process of different front-dam flows to research the relation between the supersaturation level and the front-dam total dissolved gas saturation.
Owner:SICHUAN UNIV
Plane intersection left turn waiting area setting evaluation method
InactiveCN110111569AJudging scientificallyJudging rationalityDetection of traffic movementControl setSimulation
The preset invention discloses a plane intersection left turn waiting area setting evaluation method, and relates to the field of traffic organization design of urban road intersections. The method comprising following steps: Step 1, through investigating a left-turn traffic flow, evaluating whether setting a left-turn waiting area is required; Step 2: through calculating length of the left-turn waiting area, deterining whether the left-turn waiting area can be set; Step 3: through drawing a left-turning vehicle driving track, determining whether the left turn waiting area can be set; step 4,through a signal control setting mode, determining whether the left turn waiting area can be set. Compared with past where senior transportation engineers are required to determine through experience,the method confirms implementation effect through a large number of data surveys, the evaluation method is more scientific and reasonable, reduces manpower and material resources.
Owner:GUANGDONG ZHENYE UCTRL TECH CORP LTD
Method of preventing cut-off material from being washed away
The present invention relates to closure engineering technology and is especially method of preventing cut-off materail from being washed away. Steel reinforced concrete framework and concrete tetrahedron connected together with steel cable are hoisted, conveyed and unloaded into water before banquette repeatedly to form stable underwater banquette. The concrete tetrahedron with large weight and the framework with high stability make the connected structure incapable of being washed away, and many connected structure can form stable underwater banquette and prevent cut-off banquette from collapsing.
Owner:WUHAN UNIV
Conveyor belt wear repair treatment structure and repair treatment method
PendingCN109849381ALess material investmentSmall footprintBeltsEthylene-propylene-diene-monomerRepair material
The invention discloses a conveyor belt wear repair treatment structure and a repair treatment method. The repair treatment structure is a layered structure, and comprises an outer protective film layer, an ultra-high molecular weight polyethylene outer layer and an ethylene-propylene-diene monomer bottom layer from outside to inside in sequence. The repair treatment method adopts a local cold repairing mode, and comprises the following steps: a, cleaning and drying the position and the periphery to be repaired of a conveyor belt; b, cutting off surface rubber at a damaged position along the edge of the damaged position of the conveyor belt; c, roughening the cut edge, and cleaning; d, accurately cutting a repairing material according to the cutting size and thickness, roughening, and cleaning; and e, coating the surface required to be repaired of the conveyor belt and the bottom surface of the ethylene-propylene-diene monomer bottom layer of the repairing material with a cold repairing adhesive, and fitting and compacting the surface required to be repaired of the conveyor belt and the bottom surface of the ethylene-propylene-diene monomer bottom layer of the repairing material. According to the conveyor belt wear repair treatment structure and the repair treatment method, the problems, such as wear, scratches, breakage, overlapped part cracking and the like, of the conveyor belt can be effectively solved; and the conveyor belt wear repair treatment structure and the repair treatment method has the characteristic of quick repair on site.
Owner:蓝色海洋(天津)工程技术有限公司
Continuous temperature gradient heat treatment device and method for rod-shaped material
ActiveCN111575470AReduce consumptionImprove experimental efficiencyFurnace typesHeat treatment process controlTemperature controlHeat losses
The invention relates to the technical field of heat treatment, in particular to a continuous temperature gradient heat treatment device and method for a rod-shaped material. A furnace body of the continuous temperature gradient heat treatment device includes an upper heating zone and a lower heating zone, independent temperature control is performed by using an upper heating power source and a lower heating power source correspondingly, the upper heating zone and the lower heating zone are both closed heating zones, closed heat insulation boards can prevent heat loss, the precise control overthe temperature of the upper heating zone and the lower heating zone is ensured, and therefore the precise control over the temperature gradient of a rod-shaped material standard sample section is realized. The continuous temperature gradient heat treatment device includes vacuuming equipment to allow the rod-shaped material to conduct heat transfer under vacuum to avoid heat convection; an annular radiation screen is arranged between the upper heating zone and the lower heating zone, and the lateral heat dissipation of the standard sample section is suppressed, and the heat transfer can transfer in the longitudinal direction; the rod-shaped material does not in contact with the ring-shaped radiation screen, and heat conduction is avoided; and three aspects work together to enable the rod-shaped material to transfer heat in one dimension in the axial direction, and it is ensured that the surface and center temperature of the rod-shaped material are consistent.
Owner:苏州高晶新材料科技有限公司
Method for planting Dendrobium officinale by using eight-hole cement brick as carrier
ActiveCN104106454AIncrease unit areaImprove survival rateCultivating equipmentsSoilless cultivationBrickMaterial resources
The invention discloses a method for planting Dendrobium officinale by using an eight-hole cement brick as a carrier. The method comprises the steps that the ratio of peanut shells to brick fragments and tile residues is 3:1, various tree trunks and tree branches are mechanically pulverized to be fragments with the grain diameter ranging from 0.5 cm to 1.5 cm, and retting is carried out for at least three months; the ratio of the thoroughly-decomposed tree branch fragments to coal residues, the brick fragments and the tile residues is 3:1; the eight-hole cement brick with the length, width and height being 23 cm, 11 cm and 9 cm is selected as the carrier for planting the Dendrobium officinale, and the eight holes of the cement brick are directly filled with the planted Dendrobium officinale. According to the method, the seedling survival rate is improved, work efficiency is improved, the using space is enlarged, the great effect within the unit area planting range is utilized, and manpower and material resource input is low.
Owner:赵木华
Hydraulic travelling crane and underground hydraulic bracket assembling system applying same
The invention belongs to construction and assembling equipment for hydraulic brackets of mines, and particularly relates to a hydraulic travelling crane and an underground hydraulic bracket assembling system applying the same. The hydraulic travelling crane comprises a fixed bracket, a sliding bracket and a hoisting unit, wherein the sliding bracket is arranged on the fixed bracket in a sliding way; the hoisting unit is arranged on the sliding bracket and comprises a sling, a movable pulley and a fixed pulley; the movable pulley is arranged in a reciprocating way; the fixed pulley is fixedly arranged or fixedly arranged in an adjustable manner relative to the sliding bracket; the upper end of the sling is fixedly connected with the sliding bracket; the sling bypasses the movable pulley and the fixed pulley in an S shape; and the lower end of the sling is used for connecting a to-be-hoisted component. The equipment can improve the work efficiency, save salary and material cost, increase the economic benefit, simplify the construction procedure, improve the construction efficiency, accelerate the construction progress and greatly improve the construction safety.
Owner:HUAINAN MINING IND GRP
Liftable water-fertilizer integrated system based on micro-spraying hose irrigation
ActiveCN104756663AReduce dosageAvoid blockingPressurised distribution of liquid fertiliserEngineeringAutomated control system
The invention relates to a liftable water-fertilizer integrated system based on micro-spraying hose irrigation. The liftable water-fertilizer integrated system comprises a water supply device, an irrigation pipeline system, a hanging and lifting system and a water-fertilizer automated control system, wherein the irrigation pipeline system comprises a main water conveying pipeline, a filter, branch pipelines and bilateral broadside micro-spraying hoses; the main water conveying pipeline is connected with the branch pipelines; the hanging and lifting system comprises a pillar, a lifting steel rope, a steel rope winch wheel, a lifting sliding block, a pulley block and the like, and the bilateral broadside micro-spraying hoses are hung on the pillar; and the water-fertilizer automated control system comprises a programmable logic controller, a variable flow rate fertilizer injector and the like. The liftable water-fertilizer integrated system provided by the invention can regulate the spray irrigation starting sequence and the duration of each of the bilateral broadside micro-spraying hoses on the branch pipelines, simultaneously regulate the fertilizer injection flow rate of the fertilizer injector, maintain appropriate micro-spray irrigation water pressure, ensure the uniformity in irrigation and simultaneously realize automated and precise management of fertilizer and water.
Owner:SHANDONG AGRICULTURAL UNIVERSITY
Dust removal method, device and system
PendingCN112578874ANormal heat dissipationRealize heat dissipationDigital data processing detailsHardware monitoringDust controlEngineering
The invention provides a dust removal method, device and system, which are applied to the technical field of electronic equipment. A preset parameter for representing the load state of a heat dissipation object is obtained when the heat dissipation object works, if the preset parameter meets a preset dust removal condition, it is indicated that the heat dissipation object is currently in a light load state, the heat dissipated by the heat dissipation object is not very high, the air cooling heat dissipation process can be suspended, a heat dissipation fan is controlled to be switched and steered, dust accumulated on the surface of the heat dissipation object is blown and swept, and the dust is pumped away from the space where the heat dissipation object is located through reverse airflow,so dust removal of the heat dissipation object is achieved. According to the dust removal method, by controlling the cooling fan to rotate and switch, dust blowing is achieved, the space of the electronic equipment cannot be occupied due to the arrangement of the dustproof filter screen, normal cooling of the electronic equipment cannot be affected, and meanwhile manpower and material resource investment caused by field maintenance of the dustproof filter screen can be reduced.
Owner:SHANGHAI EMBEDWAY INFORMATION TECH
Temperature-measuring error correction method, equipment and system
InactiveCN102133899ASave human effortCorrect temperature measurement errorRadiation pyrometryRailway auxillary equipmentCorrection methodInfrared
The invention discloses a temperature-measuring error correction method, equipment and a system, relating to the technical field of infrared journal temperature detection. In the invention, temperature-measuring errors can be fast corrected in time, the temperature-measuring accuracy of a probe is corrected accurately, the accuracy rate of detected data is improved, the performance of an infraredjournal temperature detection system is improved and the safety of railway transportation is guaranteed. The temperature-measuring error correction method provided by the embodiment of the invention comprises the steps of: acquiring temperature-measuring data of a temperature-measuring object sent by a detection station; determining the type of a temperature-measuring mode corresponding to the temperature-measuring data; according to the type of the temperature-measuring mode and the temperature-measuring data, calculating to obtain correction data of the temperature-measuring data; utilizingthe correction data to generate download data messages according to a preset data protocol; and sending the download data messages to the detection station.
Owner:BEIJING CTROWELL INFRARED TECHN
Fixing structure for detachable cable protection pipe
PendingCN106505504AImprove efficiencyIncrease costCable installations in underground tubesPetroleum engineering
The invention discloses a fixing structure for a detachable cable protection pipe, including a holt hoop iron I corresponding to a pole and towel pair. One end of the holt hoop iron is provided with an extension section. A cable protection pipe body is arranged at one side of the extension section. With the adoption of cooperation between the arc clamp loop and the extension section, the cable protection pipe body is tightly clamped. The fixing structure subversively changes the overall pipe-shaped structure of the original cable protection pipe, and the cable protection pipe is designed to have the detachable structure by a mode that one divides into two, so that in the installation or the later replacement process, the efficiency is greatly improved, and the cost is reduced. The fixing structure is easy to manufacture and strong in practicality.
Owner:GUIYANG POWER SUPPLY BUREAU OF GUIZHOU POWER GRID CO LTD
System and method for monitoring sent articles
The invention relates to the technical field of sent article tracing, specifically provides a system and method for monitoring sent articles, and aims at solving problems that a conventional article tracking system cannot achieve the real-time querying and the data authenticity is questionable. Therefore, the system comprises an intelligent terminal, a management platform, and a receiving user terminal. The intelligent terminal and a sent article are placed together, and the intelligent terminal is used for detecting the real-time state of the sent article. The intelligent terminal also transmits the detected state of the sent article to the management platform, or directly transmits the detected state of the sent article to the receiving user terminal or other specified terminals. The receiving user terminal is used for receiving the state, shared by the intelligent terminal or the management platform, of the sent article. The system provided by the invention can provide the state, detected by a state detection device, of the sent article for the receiving / transmitting user terminal or other authorized user terminals, can achieve the real-time monitoring and tracing, and protects the article from being replaced or damaged.
Owner:张满仓
Experimental apparatus of oversaturation total dissolved gas in dam water discharging downstream water
InactiveCN101303336BLimit difficultyEasy to installTesting waterWater dischargeEcological environment
The invention relates to an experimental device for supersaturated total dissolved gas of the downstream water body of discharging water of a dam. The device comprises a water column, valves, a flowmeter, an air compressor, a manometer, a total dissolved gas tester and a stirrer. A first valve and the flowmeter are respectively connected with the bottom of the water column by a pipeline, the outlet of the air compressor is communicated with the flowmeter by a second valve through one end of a three-way pipe, and is communicated with the atmosphere by a third valve through the other end of thethree-way pipe; the scale position on the wall of the water column is connected with a latex pipe which is connected with the manometer; the total dissolved gas tester and the stirrer are independent, and the total dissolved gas tester is placed into the water column when measuring. The device of the invention can measure and control main physical parameters which influence the generation and release of supersaturated total dissolved gas such as water body pressure, aerification quantity, water depth and turbulent strength, so as to carry out quantitative analysis to the total dissolved gas, and therefore the device of the invention has important promoting effects for the protection of river aquatic ecological environment and the establishment of ecology friendly hydraulic engineering.
Owner:SICHUAN UNIV
Overhead line type photovoltaic power generation device and power transmission and distribution system
InactiveCN105207570AImprove installation efficiencyReduce construction costsPhotovoltaic supportsPV power plantsElectric power transmissionElectricity
The invention provides an overhead line type photovoltaic power generation device and a power transmission and distribution system, and the overhead line type photovoltaic power generation device is small in space occupation, convenient to install, low in manpower and material resource input, high in power generation efficiency and suitable for popularization. The overhead line type photovoltaic power generation device comprises at least one power generation unit. Each power generation unit comprises two fixed supporting parts and at least one group of power generation layer. Each power generation layer comprises at least one photovoltaic component, and at least two anti-tension ropes which are erected between the two supporting parts. The photovoltaic components are arranged on the anti-tension ropes arranged between the two supporting parts so that the photovoltaic components are enabled to be arranged in an overhead way, and the light receiving surfaces of the photovoltaic components face upwardly and are arranged in a horizontal or inclined way. The power transmission and distribution system comprises the overhead line type photovoltaic power generation device, and also comprises an inversion device and a step-up transformer which is correspondingly connected with the inversion device. The current output ends of the power generation units or the power generation unit groups are electrically connected with the inversion device correspondingly.
Owner:付佳临 +1
Suspension lifting system of broadside wire-laminated micro-spraying hose
The invention relates to a suspension lifting system of a broadside wire-laminated micro-spraying hose. The suspension lifting system comprises a broadside wire-laminated micro-spraying hose and a suspension lifting system. The broadside wire-laminated micro-spraying hose is divided into an one-side broadside wire-laminated micro-spraying hose and a dual-side broadside wire-laminated micro-spraying hose; the suspension lifting system comprises a supporting pillar, a lifting steel rope, a steel rope windlass wheel, a lifting slide block, a pulley and a telescopic supporting rod; the lifting slide block is moveably installed between two vertical plates of the supporting pillar; the broadside wire-laminated micro-spraying hose is installed on the lifting slide block; the lower side of the broadside wire-laminated micro-spraying hose is provided with the telescopic supporting rod. Through the lifting system, the paving height of a micro-spraying hose is adjusted; the lifting system can avoid torsion in the course of suspending and lifting; besides, the lifting system can effectively solve the problems of oblique spraying water flow and uneven irrigation for regular micro-spraying hose hung by a single steel wire and several sleeve buckles is easy to deviate at present.
Owner:SHANDONG AGRICULTURAL UNIVERSITY
Field emergency communication command device
InactiveCN112825577AImprove comprehensivenessWith business integrationNetwork traffic/resource managementNetwork topologiesTrunkingEngineering
The invention discloses a field emergency communication command device, which is characterized by comprising a wireless network transmission subsystem and an application subsystem; the wireless network transmission subsystem adopts a wireless mesh ad hoc network; the application subsystem adopts a split type design and comprises base equipment, relay transmission equipment, in-situ command hub equipment and unit individual soldier backpack equipment, and the unit individual soldier backpack equipment is interconnected with the base equipment in a wireless ad hoc network mode; and the application subsystems are connected through the wireless network transmission subsystem. The device is convenient to carry and arrange by personnel in plateau mountainous areas, is not restricted by field conditions, and is simple and convenient to operate and convenient to use; and the field emergency communication command device is low in facility establishment and operation manpower and material resource investment, low in cost, short in construction period and stable in operation.
Owner:XINJIANG XUNDA ZHONGTIAN INFORMATION TECH CO LTD
Intelligent operation and maintenance method and system for rail transit door system
PendingCN112381238AWith clarityLess material investmentResourcesTransmissionComputer scienceUser management
The invention discloses an intelligent operation and maintenance method for a rail transit door system, and the method comprises the following steps: building user management information, and monitoring the real-time state of the door system; obtaining a door fault level according to the fault information data table, and carrying out door state early warning; and after receiving the early warninginformation, enabling the client user to process the maintenance task, count the accuracy of the early warning information according to the maintenance feedback result, and continuously perfect the diagnosis rule and method according to the statistical result. The invention further discloses an intelligent operation and maintenance system of the rail transit door system. The intelligent operationand maintenance system comprises a client, a server and the door system. The method has definiteness, reduces the investment of manpower and material resources, and reduces the operation and maintenance cost; potential health problems of the door are found in time, and afterwards maintenance is reduced as much as possible; sudden faults can be found in time, accurate positioning is achieved, and emergency maintenance response time is shortened.
Owner:NANJING KANGNI MECHANICAL & ELECTRICAL
Experimental device for generating over-saturated general dissolved gas by high-speed jetting air doping
Owner:SICHUAN UNIV
Particle composition for grinding
ActiveCN110699041AEasy to processImprove liquidityOther chemical processesAbrasion apparatusPolishingSurface roughness
The invention belongs to the technical field of precision grinding, and particularly relates to a particle composition for grinding. The composition in the form of a solid columnar particle and acts on the surface of a to-be-machined workpiece in the thinning and polishing process of the to-be-machined workpiece to achieve grinding effect; so on the basis that the surface roughness of the workpiece is accurately controlled, grinding efficiency is improved, manpower and material resource input is saved, and the problems of high cost, production pollution discharge and the like are solved. In addition, directed at the requirements of rough thinning, fine thinning, different products, different product roughness and the like, the particle composition can accurately meet diversified requirements of products by using diamonds with different particle sizes and concentrations.
Owner:烟台胜道电子科技有限公司
Afforestation technique employing dredger fill
InactiveCN111374020AImprove carrying capacityFast curingClimate change adaptationFabaceae cultivationIron sulfateSoil science
The invention provides an afforestation method employing dredger fill, in particular an afforestation technique employing the dredger fill. In order to solve the technical problem of afforestation employing the dredger fill, the method mainly comprises the steps of digging ditches in the dredger fill to discharge accumulated water and depositing the dug dredger fill at two sides of the ditches; raising the ground and then digging planting holes in the dredger fill between the ditches; and laying agricultural organic wastes, such as cotton straws and corn straws or organic waste cadmium salts,such as deadwoods and weeds for landscaping at the bottoms and the peripheries of tree holes; and improving the dug dredger fill by adopting desulfurized gypsum, organic media, polymeric ferric sulfate and acid organic fertilizers, improving the physical and chemical properties of the dredger fill, and backfilling the dredger fill for planting greening plants. According to the afforestation method, soil replacement is not needed, solidification of the dredger fill is accelerated through changing a terrain and discharging the accumulated water, and the dredger fill is rapidly improved for afforestation, so that the survival rate of trees can be improved.
Owner:SHANGHAI ACADEMY OF LANDSCAPE ARCHITECTURE SCI & PLANNING
Single-side hangable micro-spraying hose irrigation system
ActiveCN104756661AReduce dosageLarge laying distancePressurised distribution of liquid fertiliserIrrigationLift system
The invention relates to a single-side hangable micro-spraying hose irrigation system. The single-side hangable micro-spraying hose irrigation system comprises a single-side hangable micro-spraying hose, a water supply device, an irrigation pipeline system and a hanging and lifting system, wherein the water inlet end of the single-side hangable micro-spraying hose is connected with a branch pipeline through a quick joint; a main water conveying pipeline is connected with the water supply device; and the hanging and lifting system comprises a plurality of pillars, a lifting steel rope, a steel rope winch wheel, a lifting sliding block, a pulley block, a hanging steel wire (rope), a hanging hook and a telescopic support rod. A circular hole in the broad wide of the hangable micro-spraying hose is hung on the hanging steel wire (rope) through the hanging hook. The single-side hangable micro-spraying hose irrigation system can regulate the paving height of the micro-spraying hose through the lifting system according to plant heights and group structural characteristics of different crops, avoid the situation of torsion of the micro-spraying hose in the hanging and lifting processes by adopting the single-side hanging way during field mounting and effectively solve the problems of deviation of injection water flow and non-uniform irrigation because the conventional micro-spraying hose which adopts a single steel wire and a plurality of sleeve buckles for hanging at present is liable to deflection.
Owner:SHANDONG AGRICULTURAL UNIVERSITY
Non-stop dynamic balance real-time continuous correction device
PendingCN114720053AAvoid damageAvoid running sickStatic/dynamic balance measurementGear wheelDynamic balance
The invention relates to a non-stop dynamic balance real-time continuous correction device which comprises a shell and a rotating shaft, a shaft hole is formed in the center of the shell, when the device is installed on the end face of an equipment rotor, the rotating shaft of equipment can directly penetrate through the shaft hole, a power supply sliding ring is fixedly installed on the outer side of the rotating shaft, and a correction assembly is arranged on the inner side of the shell. The correcting assembly comprises a rotating disc with one end rotationally connected with the inner side of the shell, a gear ring is fixedly connected to the outer side of the rotating disc, an angle adjusting self-locking motor is fixedly connected to the inner side of the shell, and a gear with one end meshed with the gear ring is fixedly connected to an output shaft of the angle adjusting self-locking motor. According to the non-stop dynamic balance real-time continuous correction device, when dynamic balance deviation occurs, equipment does not need to be shut down, real-time correction can be achieved when the equipment is running, the situation that the equipment runs with faults due to the fact that the equipment cannot be shut down is avoided, and therefore damage to equipment bearings and accessories due to vibration caused by unbalance is effectively avoided; therefore, the service life of the equipment is prolonged, and the stability of the equipment during operation is maintained.
Owner:山东森杰电机有限公司
Construction method and structure for deep foundation pit inner support plate type quick support replacement
PendingCN111364460AImprove construction qualityAvoid risk of leakageExcavationsBulkheads/pilesArchitectural engineeringStructural engineering
The invention discloses a construction method and structure for deep foundation pit inner support plate type quick support replacement. According to the construction method, when a basement structureis constructed, supporting concrete plates are additionally arranged between a basement outer wall and vertical enclosing structure steel supporting piles, and inner supports are replaced by the supporting concrete plates to prevent a deep foundation pit from collapsing. Therefore, the support replacement and removal work can be completed when the basement structure is constructed; due to the factthat the support replacement structure is lower one layer than the inner supports, the construction of the upper basement structure can be carried out after the dismantling of the inner supports is completed, the risk of leakage caused by secondary pouring of reserved holes in the basement outer wall can be avoided, the construction quality of the whole basement structure is effectively improved,the construction progress is accelerated, manpower and material resources are saved, the construction difficulty is small, and the safety is high.
Owner:CCFED THE FIRST CONSTR & ENG
Industrial production water pool apparatus capable of performing online backwashing
InactiveCN109626606AGuaranteed uptimeAvoid offline dredgingSpecific water treatment objectivesScale removal and water softeningMarine engineeringPrecipitation
The invention belongs to the field of water treatment equipment, and particularly relates to an industrial production water pool apparatus capable of performing online backwashing. The industrial production water pool apparatus comprises a production water pool, wherein the top portion of the production water pool is provided with a compressed air total pipe, the compressed air total pipe is connected to four vertical and downward compressed air branch pipes arranged side by side, the compressed air branch pipes are arranged in the production water pool, the bottom portion of the production water pool is provided with three branch pipes, the three branch pipes are connected in parallel and are connected to a water supply total pipe, the water supply total pipe is connected to a backwashingpipeline, the other end of the backwashing pipeline is connected to an inclined plate precipitation pool, the inclined plate precipitation pool is connected to the production water pool through a pipeline, the branch pipe of the water supply total pipe is connected to a production workshop, and the production workshop is connected to the inclined plate precipitation pool through a water return total pipe.
Owner:RIZHAO STEEL HLDG GROUP
A method for planting Dendrobium officinale using 8-hole cement bricks as a carrier
ActiveCN104106454BIncrease unit areaImprove survival rateCultivating equipmentsSoilless cultivationBrickTree trunk
The invention discloses a method for planting Dendrobium officinale by using an eight-hole cement brick as a carrier. The method comprises the steps that the ratio of peanut shells to brick fragments and tile residues is 3:1, various tree trunks and tree branches are mechanically pulverized to be fragments with the grain diameter ranging from 0.5 cm to 1.5 cm, and retting is carried out for at least three months; the ratio of the thoroughly-decomposed tree branch fragments to coal residues, the brick fragments and the tile residues is 3:1; the eight-hole cement brick with the length, width and height being 23 cm, 11 cm and 9 cm is selected as the carrier for planting the Dendrobium officinale, and the eight holes of the cement brick are directly filled with the planted Dendrobium officinale. According to the method, the seedling survival rate is improved, work efficiency is improved, the using space is enlarged, the great effect within the unit area planting range is utilized, and manpower and material resource input is low.
Owner:赵木华
A rapid test system for crdm hook performance
ActiveCN107578830BEasy to installQuick testNuclear energy generationNuclear monitoringTime efficientEngineering
The invention relates to a quick test system for CRDM (Control Rod Drive Mechanism) claw performances. The system comprises a rack assembly, an operating unit and a control unit, wherein the operatingunit and the control unit are arranged on the rack assembly; the operating unit comprises a driving part which is connected to the rack assembly, a connecting rod of which one end is connected to thedriving part, a testing kettle assembly and a simulating assembly; the testing kettle assembly comprises a kettle body; the other end of the connecting rod passes through the kettle body; the simulating part is arranged in the kettle body; a claw sample is correspondingly connected to or matched with the other end part of the connecting rod and the simulating part. The system is used for testingthe claw only, is high in adaptability, is space and time saving, reduces cost, and is high in pertinence and capable of quickly and efficiently testing the claw performances.
Owner:SUZHOU NUCLEAR POWER RES INST +3
Hydraulic crane and underground hydraulic support assembly system using the hydraulic crane
The invention belongs to construction and assembling equipment for hydraulic brackets of mines, and particularly relates to a hydraulic travelling crane and an underground hydraulic bracket assembling system applying the same. The hydraulic travelling crane comprises a fixed bracket, a sliding bracket and a hoisting unit, wherein the sliding bracket is arranged on the fixed bracket in a sliding way; the hoisting unit is arranged on the sliding bracket and comprises a sling, a movable pulley and a fixed pulley; the movable pulley is arranged in a reciprocating way; the fixed pulley is fixedly arranged or fixedly arranged in an adjustable manner relative to the sliding bracket; the upper end of the sling is fixedly connected with the sliding bracket; the sling bypasses the movable pulley and the fixed pulley in an S shape; and the lower end of the sling is used for connecting a to-be-hoisted component. The equipment can improve the work efficiency, save salary and material cost, increase the economic benefit, simplify the construction procedure, improve the construction efficiency, accelerate the construction progress and greatly improve the construction safety.
Owner:HUAINAN MINING IND GRP
A method of connecting alon ceramics with alon powder as a raw material
The invention relates to a method for connecting AlON ceramics by using AlON powder as a raw material, belonging to the field of transparent ceramic material preparation. A method for connecting AlON ceramics using AlON powder as a raw material. The mixed powder of the intermediate layer is evenly arranged between the AlON ceramic blocks and then sintered to realize the connection between the AlON ceramic blocks. The mixed powder is made of AlON powder Composed of sintering aid powder, the sintering conditions are: under the unidirectional pressure of 0.01MPa perpendicular to the plane to be connected, the temperature is raised to the holding temperature at a heating rate of 30°C / min, and then the holding temperature is the temperature for preparing the to-be-connected The sintering temperature of the AlON ceramic block is ±30° C., and the holding time is not longer than the sintering holding time for preparing the AlON ceramic block to be connected. The connecting piece obtained by using the method of the invention has high strength and light transmittance. The method is simple to operate and easy to realize industrial scale-up production.
Owner:DALIAN MARITIME UNIVERSITY
Method of preventing cut-off material from being washed away
Owner:WUHAN UNIV
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