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76results about How to "Reduce the amount of work" patented technology

Crane remote monitoring and intelligent maintenance system based on IOT and DSP

The present invention discloses a crane remote monitoring and intelligent maintenance system based on an IOT and a DSP. The system is formed by the connection of a sensor group, an industrial wireless network, a test and control servers, a remote data service center, and an information receiving terminal device in order. The design and project amount can be greatly reduced, the installation cost is reduced, the DSP has the characteristics of fast computing speed, multiple data channels and high floating point operating precision, and the characteristics are very suitable for an industrial control system to carry out accurate detection and positioning.
Owner:SHANGHAI GUDE SOFTWARE ENG CO LTD

Mine MWD exploration system and measurement method thereof

The invention discloses a mine MWD (Measurement While Drilling) exploration system and a measurement method thereof. The mine MWD exploration system comprises a measurement module, a communication device and a handheld terminal, wherein the measurement module is mounted at the back of a drill bit, is propelled by a drill rod, directly utilizes vibration generated when the drill bit breaks rocks as a vibration source, and comprises a measurement probe tube as well as non-magnetic rods mounted at the front end and the back end of the measurement probe tube; the measurement probe tube is used for collecting signals in a hole, and meanwhile plays the transmission and water flowing functions; the non-magnetic rods are used for isolating the magnetic interference generated by the drill rod to the measurement probe tube, and also have the transmission and water flowing functions; the communication device is mounted in a drill site outside the hole to realize communication between the measurement probe tube and the handheld terminal. According to the mine MWD exploration system and the measurement method thereof, the occurrence of the drill hole and a rock dynamic action spectrum of the drill bit can be measured while drilling, a drilling space trajectory and the drilling meeting rock property are provided, meanwhile the purpose of exploration while drilling can be realized, and the fact that various conditions can be measured in one hole can be realized.
Owner:ANHUI HUIZHOU GEOLOGY SECURITY INST

Train control grade transition system and method thereof

The invention discloses a train control grade transition system and method thereof in the technical field of train control. The method includes the steps that 1, a CTCS-2 station train control centeridentifies the state of a polarized relay in a semi-automatic blocking change direction logic circuit, and the CTCS-2 station pickup and departure states are formed; and 2, during CTCS-2 station departure, a train speed monitoring curve is modified by adding and modifying reverse operation message parameters; during CTCS-2 station lateral pickup, a speed limiting point is set at a grade transitionpoint to modify the train speed monitoring curve, a train passes through the boundary of a CTCS-2 station and a CTCS-0 station according to speed limiting of the train speed monitoring curve, and meanwhile, a train on-board device completes switching of a CTCS-2 system and a CTCS-0 system. The train control grade transition system and method thereof has the beneficial effects that in case of maintaining semi-automatic blocking of the existing two stations, an interval trackless circuit, no additional renovation work of the CTCS-0 station, non-stopping switching of the train between the CTCS-0train control system and the CTCS-2 train control system is achieved, speed transition during switching is stable, and the efficiency of train transportation is improved.
Owner:CHINA RAILWAY ERYUAN ENG GRP CO LTD

Full variable valve engine and control method thereof

The invention relates to a full variable valve engine which comprises an air cylinder with an air inlet channel and an exhaust channel. A piston is arranged in the air cylinder. The bottom end of the piston is connected with a crank-link mechanism. A sparking plug is arranged in the air cylinder. A throttle valve and an oil sprayer are arranged on the air inlet channel. A tail gas processing unit is arranged on the exhaust channel. Full variable valve mechanisms are arranged at the communication portions of the air inlet channel, the exhaust channel and the air cylinder. An EGR channel with a cooler is arranged between the air inlet channel and the exhaust channel in a connecting mode. An EGR valve is arranged on the EGR channel. The engine further comprises an ECU control unit which can control the spark plug, the oil sprayer, the EGR valve and the full variable valve structures to make the engine operate. The invention further relates to a full variable valve engine control method. The shortcoming of an existing electric control hydraulic and electric control magnetic force driving mode can be overcome, the engine can be controlled to operate under various combustion modes, and the fuel economy and the emission performance of the engine are further improved.
Owner:长城汽车股份有限公司平湖分公司

Apparatus and method for repairing polluted soil and underwater by cooperation of in-situ electricity and electrochemistry

The invention relates to an apparatus and a method for repairing polluted soil and underwater by cooperation of in-situ electricity and electrochemistry. In the method, a mono-metal or double-metal electrode having a nano-scale surface or an air cathode having advanced pollutant oxidation function is formed for reducing and degrading organic pollutants, then the formed electrode is used as a cathode in the electric repairing apparatus; a direct-current electric field is applied to a medium to migrate the organic pollutants in the medium to the cathode, thus achieving cooperation of electric field driven pollutant migration and in-situ electrode electrochemical degradation. The method avoids complex engineering problems, such as secondary treatment after extraction of a cathode solution, extra addition of a redox agent, arrangement of PRB and the like, during a conventional electric repairing process, and can significantly reduce engineering work load and repairing cost in the electricrepairing. The invention provides the in-situ repairing method for the polluted soil and underwater, which is simple in preparation, is low in cost and has high-effective cooperation.
Owner:TSINGHUA UNIV

Radiation heating and cooling integrated air conditioner in quick effect and changeable load

The invention discloses a radiation heating and cooling integrated air conditioner in quick effect and changeable load. Load can be independently borne by an indoor machine or can be commonly borne by the indoor machine and a capillary tube, and the indoor temperature is regulated by mainly using the heat transmission modes of radiation and natural convection. A surface air cooler with larger surface area is provided when the load is independently borne by the indoor machine; and in the mode of commonly bearing the load, the indoor machine and the capillary tube are positioned in different return water supply loops, the water supply temperature of the indoor machine is different from that of the capillary tube, the temperature of water supplied to the indoor machine needs to be lower than that of water supplied to the capillary tube during the refrigerating in summer, and the temperature of water supplied to the indoor machine needs to be higher than that of water supplied to the capillary tube during the heating in winter. According to the radiation heating and cooling integrated air conditioner in quick effect and changeable load disclosed by the invention, the characteristics of quiet system, high heat comfort degree, energy saving, invisibility, attractive performance and the like of a traditional radiation air conditioner are reserved, the effect is rapid, the load can be adjusted, the indoor environment in higher standard can be built, and the radiation heating and cooling integrated air conditioner has larger developing space in high-grade buildings.
Owner:赵明桥

Full-automatic collecting liquid-plastic limit combined measuring system

The invention discloses a full-automatic collecting liquid-plastic limit combined measuring system. The full-automatic collecting liquid-plastic limit combined measuring system comprises a liquid-plastic limit combined measuring instrument and a computer, wherein the liquid-plastic limit combined measuring instrument comprises a mounting frame, a cone head, an electromagnet, a displacement transducer, a displacement display screen, a CPU (central processing unit), a communication module, a control switch and a specimen cup; the specimen cup is placed on the mounting frame; the electromagnet, the displacement transducer, the displacement display screen, the CPU, the communication module and the control switch are arranged on the mounting frame; the cone head is arranged above the opening of the specimen cup and is adsorbed on the electromagnet; the displacement transducer is connected with the computer in a signal manner through the CPU and the communication module; and a double logarithmic chart is stored in the computer. The full-automatic collecting liquid-plastic limit combined measuring system provided by the invention can be used for acquiring, measuring and reading data in a full automatic manner and drawing a curve, so that the accuracy of the test data is improved, the work amount of experimenters is reduced, the cost of human resources is reduced, and the test efficiency is improved.
Owner:SHANGHAI URBAN CONSTR DESIGN RES INST GRP CO LTD

Method at a radiation therapy system

Calibration of a radiation therapy system comprising a radiation unit with a fixed focus point, a fixation unit for fixing a treatment volume in a patient, and a positioning system. The positioning system comprises a fixed framework, a movable carriage for carrying and moving the entire patient, motor(s), a control system for controlling the motor(s), and at least one engagement point for releasably mounting the fixation unit in fixed engagement with the positioning system. A fixation unit coordinate system defined in relation to the fixation unit is provided. Linearity errors for the motional axes of the carriage and the angular offset between the motional axes and the coordinate system is determined, whereby the relationships between the axes of the coordinate system and the motional axes of the positioning system are determined. The positioning system is then mounted in fixed relationship with the radiation therapy unit and the focus point in relation to the positioning system is determined, whereby the relationship between the focus point and the coordinate system is also determined.
Owner:ELEKTA AB

Method for repairing damage of underwater concrete panel slope protection

InactiveCN101200895AEasy to pour and compactSave hard workBreakwatersQuaysCofferdamEngineering
A preparation method of the damage of the protection slopes of underwater concrete slabs is applicable to the preparation of the damage of the protection slopes of the underwater concrete slabs of waterways, dikes, dams, bank slopes, etc. In the method, underwater detection is carried out, mould bags with a suitable size are customized according to the position and the shape of a damage hole, mould bag concrete is positioned and casted, after the mould bag concrete blocks the damage hole, an infusion hole and a water outlet are bored at proper positions above the damage hole, a duct is applied to infuse underwater non-dispersible concrete from the infusion hole, the self-compaction and anti-dispersibility of the underwater non-dispersible concrete is utilized to fill up the cavity, seeper is drained out of the water outlet, consequently, the cavity is filled up, and the rupture and the collapse of the damaged slab can be prevented. The present invention does not need to build a cofferdam, underwater human operation is relatively less, engineering quantities and construction difficulties are reduced and the cost is decreased; because the underwater non-dispersible concrete is utilized in the concreting construction, the construction is safe and the water body is not polluted; a waterway is not needed to be closed up, so navigation is not affected.
Owner:CHINA THREE GORGES UNIV +2

Construction method of beddings of foundation downward overturn beam and pile cap

The invention relates to a construction method of beddings of a foundation downwards overturn beam and a pile cap, which utilizes a precast concrete unit to replace a brick tetal membrane, and comprises a precast unit production step, wherein the precast unit is a concrete member; and the construction method also has a control frame of the precast unit, and a supporting device of a precast slab frame is also arranged on the control frame. The invention has the construction method that: firstly, the large-area bedding of a foundation slab is constructed, then, the beddings of the downward turnover beam, a cushion platform earthwork and a bottom part are constructed, so that a large number of working surfaces can be provided in advance through a topdown construction method, a precast slab is quickly pressed into the brick tetal membrane, so the construction procedure and work amount are reduced, and the construction speed is effectively speeded up. Because the precast concrete unit replaces the brick tetal membrane, field mechanization and fabrication industrialization operations can be realized, and the construction method is in accordance with the development trend of the construction industry.
Owner:ZHEJIANG CENT SOUTH CONSTR GROUP

Underground pipeline transportation system

The invention discloses an underground pipeline transportation system at least comprising an underground pipeline and a train running in the underground pipeline. Each stop station of the underground pipeline transportation system is provided with at least one vertical lifting elevator system used for vertically carrying passengers who are about to get on the train from the ground to a passenger entrance / exit after the train inside the underground pipeline transportation system stops at the station and also vertically carrying the passengers who are about to get off the train from the passenger entrance / exit to the ground; the passageway entrance / exit sequentially comprises three doors of a train door, a pipeline door and an elevator door from inside to outside, and after the train reaches the station, the three doors are mutually aligned and sequentially or simultaneously opened so that the passengers who are about to get on the train enter the train from an elevator car and the passengers who are about to get off the train enter the elevator car from the train.
Owner:HUAWEI TEHCHNOLOGIES CO LTD

Matrix for ecological restoration of mining area

The invention provides a matrix for ecological restoration of a mining area. The matrix comprises the following components in parts by weight: 100 parts of main materials and 4-8 parts of auxiliary materials, wherein the main materials include hill-skill soil and mine tailing sand; and the auxiliary materials include straws and an organic fertilizer. According to the matrix, the mine tailing sand,the hill-skill soil, the straws and the organic fertilizer are used as the raw materials of the matrix for ecological restoration of the mining area, so that the recycle of production and domestic wastes in the mining area can be realized while the reclamation of the mining area is finished; the raw materials are not needed to be input from the outside of the mining area, so that the project amount and economic expense can be effectively reduced, and the higher environmental and social benefits are achieved. Known from a record of an embodiment that the matrix provided by the invention is used for a potted plant experiment, a tailing matrix is remarkably improved on the aspects such as field moisture capacity, volume and nutrients, and plants grow well.
Owner:SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI

Treatment method for improving repair effect on cadmium-contaminated soil

The invention relates to the field of environmental technology utilization and discloses a treatment method for improving the repair effect on cadmium-contaminated soil. According to the method, the combined effect of a chemical repair agent, sisal and bamboo reeds is adopted; after the repair agent is applied to the to-be-repaired cadmium-contaminated soil, the sisal and the bamboo reeds are interplanted; heavy metal cadmium is absorbed and accumulated by utilizing the flocculation effect of the chemical repair agent and the enrichment effect of the sisal and the bamboo reeds; and after outplanting in autumn every year, ashing processing is performed, so as to extract the heavy metal cadmium and achieve the purpose of repairing the soil. According to the treatment method, the combined effect of the chemical repair agent, the sisal and the bamboo reeds is adopted, because the biomass of the sisal and the bamboo reeds is large, the patience and the transfer volume to cadmium in the soil environment are large, the bamboo reeds are perennial plants and can be simply planted and managed, and processing is separated from food chains, the repair effect on the cadmium-contaminated soil and the safety of a subsequent process are greatly improved, secondary pollution is avoided, and the cadmium-contaminated soil can be preferably repaired.
Owner:HANGZHOU BLUE SKY LANDSCAPE CONSTR GROUP

Systems and methods for discovering and monitoring devices using search patterns for object identifiers and values

The present disclosure is directed to systems and methods of managing remote devices. The system can include a server with memory, a detection module, and a collection module. The memory can store a management information base (MIB) having a hierarchical tree of object identifiers and corresponding object values. The detection module can query devices and receive a first object identifier and its first object value, which can vary from those in the MIB; and use patterns to match the first object identifier and object value; and generate an identification of the device from the matches. The collection module can use the identification to select a collection template, which can indicate a subtree of the MIB and a collection pattern; traverse the subtree and identify a second object identifier that matches the collection pattern, and its second object value; and associate the second object value with the first object value.
Owner:CONNECTWISE LLC

Multifunctional tunnel grade separation hub bridge

InactiveCN101792994AImprove traffic safety factorEasy accessRoadwaysBridge deckTraffic congestion
The invention relates to a multifunctional tunnel grade separation hub bridge which comprises a tunnel, a road surface and a bridge deck. The bridge is characterized in that longitudinal straight lanes are arranged in the tunnel; transverse right turn lanes and longitudinal right turn lanes are arranged on the road surface, and arch bridges are arranged over the transverse right turn lanes and the longitudinal right turn lanes; longitudinal left turn lanes are also arranged on the road surface, and transverse straight lanes are arranged on the bridge deck; a viaduct turning bridge is also connected to the bridge deck, and transverse left turn lanes are arranged on the viaduct turning bridge; a pedestrian and non-motor vehicle right turn lane is arranged on the road surface; culverts are arranged below the arch bridges; and lanes are arranged between the culverts of the two arch bridges of each intersection to realize the straight going, the left turning and the turning around of non-motor vehicles and pedestrians in the longitudinal direction and traverse direction. The invention has the advantages that non-cross pass is realized, and the motor vehicles, the non-motor vehicles and the pedestrians can simultaneously pass through at an intersection; quick pass is realized; the pass efficiency is improved; and the problems of traffic congestion and traffic jam are thoroughly solved.
Owner:王营杰

Anti-condensation control method for power equipment box

The invention provides an anti-condensation control method for a power equipment box. The method comprises monitoring the temperature and the humidity inside and outside the power equipment box in real time; determining the situation of the external environment temperature in segments to obtain a current temperature error e and a temperature error change ec; obtaining corresponding [delta]Kp, [delta]Ki and [delta]Kd fuzzy sets and the Kp, Ki and Kd values by fuzzy and calculating treatment; and calculating a PID control parameter according to the Kp, Ki and Kd values to control a heater so that the difference between the inside temperature T2 and the outside temperature T1 of the power equipment box is kept within a predetermined range. The anti-condensation control method has good anti-condensation effect and is easy to upgrade and maintain.
Owner:SHENZHEN POWER SUPPLY BUREAU

Mining method applicable to recovery of gentle-inclined/inclined thin ore body

The invention discloses a mining method applicable to recovery of a gentle-inclined / inclined thin ore body. A pulse outside transport drift and an ore roadway, which are orderly communicated are tunneled on a bottom plate of an ore body; a cutting roadway is tunneled inside the ore body along the trend of the ore body; a chamber and a jamb are not divided in a stope; back work is carried out from a free surface formed at the intersection of a cutting uphill and a cutting roadway along the trend of the ore body; blasting ore is harrowed to the inside of the cutting roadway by using a scraper, and then the ore is unloaded to a transport cart through a scraper loader arranged inside the cutting roadway as an ore removal tool; and the transport cart ships out the ore through the ore roadway and the pulse outside transport drift. By adopting the method, the bottom structure of the stope is simpler, the work amount and the support amount of roadway construction are greatly reduced, the mining and cutting ratio is reduced, the stability of the bottom structure is improved, the mining cost and the preparation time are saved, the mining potential safety hazard is reduced, the recovery safety is improved, ore removal and ore transportation are carried out on the bottom plate of the ore body, and the ore production efficiency is improved.
Owner:CINF ENG CO LTD +1

Detachable gravity dam and construction and dismounting method thereof

The invention relates to a detachable gravity dam and a construction and dismounting method thereof, and belongs to the technical field of water conservancy projects. The detachable gravity dam comprises a drainage grouting gallery, an anti-seepage curtain, a dam foundation drainage hole, a middle pier, a side pier and a transverse seam, and further comprises an upstream concrete panel, building block concrete, a downstream concrete panel, a plain concrete cushion layer and a dam foundation anchor bar; the building block concrete is formed by connecting prefabricated building blocks through bolts according to a certain sequence; the upstream concrete panel and the downstream concrete panel are correspondingly poured on the upper surface and the downstream side of a dam body, and the plainconcrete cushion layer is laid on the dam foundation, the detachable building block concrete is built on the plain concrete cushion layer, and the dam foundation anchor bar is arranged in each hoisting hole of the bottom-layer building block concrete. According to the detachable gravity dam and the construction and dismounting method thereof, the advantages of reliable quality and high construction efficiency of a prefabricated concrete component can be fully utilized, so that temperature cracks in the dam body are reduced, the safety of the gravity dam is ensured, meanwhile, the dam body is convenient to detach, and the economical and environment-friendly effects are realized.
Owner:KUNMING UNIV OF SCI & TECH

Adjustable intelligent feeding and discharging type ventilation system for double-track tunnel

The invention relates to an adjustable intelligent feeding and discharging type ventilation system for a double-track tunnel. The adjustable intelligent feeding and discharging type ventilation system comprises an up-down tunnel shared air supply hole, an up-down tunnel shared air exhaust and smoke exhaust hole, an up-down tunnel shared air supply duct, an up-down tunnel shared air exhaust and smoke exhaust duct, an air supply adjusting baffle and an air exhaust adjusting baffle. The air flow power is provided by an air exhaust and smoke exhaust machine and an air supply fan which are positioned in a fan room; the exhaust adjusting baffle is arranged at the joint of a downstream exhaust short lane and the up-down tunnel shared air exhaust and smoke exhaust duct. The air supply adjusting baffle is arranged at the joint of a downstream air supply short lane and the up-down tunnel shared air supply duct. An air volume detector monitors the up-down air supply and exhaust volume, an adjustable intelligent ventilation system of the double-track tunnel is achieved, the up-down tunnel shared air supply duct and the up-down tunnel shared air exhaust and smoke exhaust duct form a ventilation inclined shaft, and the up-down tunnel shared air supply duct and the up-down tunnel shared air exhaust and smoke exhaust duct are separated through a metal air duct partition plate. One ventilation inclined shaft is utilized in the whole air supply and exhaust process, and a large amount of engineering cost is saved.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Multi-split air source double-tail-end system of wall-mounting type duplex metal radiant panels

The invention discloses a multi-split air source double-tail-end system of wall-mounting type duplex metal radiant panels. The multi-split air source double-tail-end system comprises a controller connected with a heat pump outdoor unit and multiple air conditioner indoor units arranged in multiple rooms, and each room is internally provided with one wall-mounting type duplex metal radiant panel; each wall-mounting type duplex metal radiant panel comprises a duplex metal radiant panel body directly wrapping a refrigerating fluid heating pipe, the outer surface of the wall-mounting type duplex metal radiant panel is coated with an infrared radiation ceramic coating, the heat transferring effect of a condenser pipe is improved, and the effect of protecting the pipe is achieved; and the wall-mounting type duplex metal radiant panels and the air conditioner indoor units are connected in parallel through adjusting control valves and splitters, the switching states of the adjusting control valves and the splitters are controlled, and refrigeration in summer and heating and defrosting in winter can be achieved. When the multi-split air source double-tail-end system is used for heating, the indoor temperature field is evenly distributed, the heat pump condensing temperature is further reduced, the COP of the air source heat pump is improved, and energy saving and emission reduction are achieved.
Owner:TIANJIN UNIV

Precast ultra high performance concrete-ordinary concrete composite beam bridge structure and construction method

The invention relates to A precast ultra high performance concrete-ordinary concrete composite beam bridge structure and a construction method thereof, wherein the bridge structure comprises a beam element and a bridge deck, wherein the beam element is integrally precast with ultra-high performance concrete material, and the bridge deck is cast-in-situ with common concrete over the beam element; The bottom of the beam element is provided with channel steel. The invention also comprises a precast ultra-high performance concrete. Construction method of ordinary concrete composite beam bridge structure. On the one hand, the invention not only improves the overall strength of the bridge, but also saves the working procedure of dismantling the bottom formwork in the construction process, so that the prefabrication of the structure is easier; On the other hand, the lightness of the main girder can be realized, which not only reduces the requirement of the bridge substructure and improves thespan capacity of the bridge, but also makes the structure assembling and transportation easier.
Owner:HUNAN UNIV

Combined mine development system based on shaft and packaging tape inclined shaft

The invention discloses a combined mine development system based on a shaft and a packaging tape inclined shaft. The combined mine development system comprises an upper main shaft and a lower packaging tape inclined shaft. The main shaft adopts a shaft skip to lift ores, the packaging tape inclined shaft adopts a belt conveyor to lift the ores, and the main shaft is connected with the packaging tape inclined shaft through a transferring station. According to the combined mine development system based on the shaft and the packaging tape inclined shaft, an interior shaft is not needed, the workamount of facilities and the construction difficulty are greatly reduced, wherein the mining depth of the upper main shaft does not exceed 1000m, so that the lifting height of the main shaft is reduced to a reasonable range, and the replacement frequency of a steel rope is reduced; the lower packaging tape inclined shaft is parallel to an ore body, so that the distance from an underground middle haulageway and a linking taxiway to an ore pass fragmenting system is decreased, and the haul distance is shortened; and in short, the development work amount is reduced, and the construction period isshortened.
Owner:SHEN KAN QINHUANGDAO GENERAL ENG DESIGN & RES INST CORP MCC

Unequal-length-leg offshore wind power jacket foundation and construction method thereof

The invention relates to an unequal-length-leg offshore wind power jacket foundation and a construction method thereof. The unequal-length-leg offshore wind power jacket foundation comprises at least three unequal-length main guide pipe legs; the main guide pipe legs are distributed in a polygon mode; the height differences among the main guide pipe legs are consistent with pile head elevation differences among corresponding pile foundations; and every two adjacent main guide pipe legs are connected into an integral latticed jacket foundation through inclined struts. The unequal-length-leg offshore wind power jacket foundation consists of the two parts of the inclined struts and the unequal-length legs, so that the unequal-length-leg offshore wind power jacket foundation has the advantages that materials are saved; construction is convenient; the unequal-length-leg offshore wind power jacket foundation is applicable to the environment; and the like. The unequal length structure is adopted by the jacket main legs, so that when geological condition changes are large, and thus driving depths of piles are not consistent, pile cutting work and the like can be omitted; construction is convenient; and meanwhile, material waste can be reduced. Furthermore, due to the unequal-length guide pipe structure, foundation construction cost and the weight of a jacket can be lowered; and obvious social benefit and economic benefit are provided.
Owner:FUJIAN XINNENG OFFSHORE WIND POWER R & D CENT CO LTD +1

Lumped closed constant pressure expansion device for ground-source heat pump system of medium and low rise building

ActiveCN103206755AReasonable useReduce the amount of electrical engineeringHeat pumpsAir conditioning systemsEngineeringGeothermal heat pump
The invention belongs to the technical field of ground-source heat pump, in particular to a lumped closed constant pressure expansion device for ground-source heat pump systems of medium and low rise buildings. The lumped closed constant pressure expansion device solves the problems of unreasonable design of the prior art and big installation area. The ground-source heat pump system includes a ground-source side water circulatory system, a ground-source heat pump unit is connected with the ground-source side water circulatory system, and a load side water circulatory system is connected with the ground-source heat pump unit. The pressure expansion device consists of a main expansion pipe, a first secondary expansion pipe connected with the ground-source side water circulatory system and a second secondary expansion pipe connected with load side water circulatory system, wherein the first secondary expansion pipe and the second secondary expansion pipe are connected with the main expansion pipe and the main expansion pipe is connected with a water system constant pressure expansion structure. Compared with the prior art, the constant pressure expansion device is more reasonable in design, small in installation area and low in cost.
Owner:ZHEJIANG LUTE ENERGY TECH

Construction method of section steel column concrete beam-column joint

The invention discloses a construction method of a section steel column concrete beam-column joint. The construction method comprises the following steps: S1, the section sizes of section steel beamskeep consistent; S2, a drawing provided by design is deepened, and then design review is conducted; S3, a section steel skeleton of a column is mounted; S4, the section steel skeleton of the column ismachined; S5, the positions, encountering webs, of face bars are constructed; and S6, the beam-column joint and the lower parts of section steel flanges of the beams are constructed. The positions, encountering the webs, of the face bars, and the positions, encountering the flanges, of the face bars are constructed; the positions, encountering the webs, of the face bars are constructed accordingto the steps: stiffening plate welding, hole forming and penetrating of two / three rows of steel bars, and hole forming in the webs in a factory; the positions, encountering the flanges, of the face bars are constructed according to the steps: bracket welding, and machining of two / three rows of steel bars; bottom bars of the beam-column joint adopt steel bar anchor plates; and because of improvement of the construction method, on-site construction operation can be convenient, input of the construction amount and labor force is lowered, the total construction progress is accelerated, the construction period is shortened, and the construction cost is lowered.
Owner:GUANGDONG CONSTAR CONSTR GRP CO LTD

Intelligent variable-power temperature-control concrete wall heat preservation formwork for winter construction

PendingCN113404317AGuaranteed temperatureSolve the problem of intelligently adjusting the temperature of concrete curingThermometer detailsLighting and heating apparatusThermodynamicsPolystyrene
The invention discloses an intelligent variable-power temperature-control concrete wall heat preservation formwork for winter construction, and particularly relates to the technical field of concrete curing in alpine regions. A heat preservation structure for electric tracing winter construction of a concrete wall comprises an aluminum panel and a back plate embedded in the aluminum panel, wherein the aluminum panel and the back plate define a closed inner cavity, a plurality of electric heating bodies are distributed on the aluminum panel at equal intervals, all the electric heating bodies are electrically connected with a temperature controller, the temperature controller is electrically connected with a single-chip microcomputer, a temperature measuring element electrically connected with the single-chip microcomputer is further arranged in the center of the aluminum panel, and the back plate is a graphite polystyrene board. By the adoption of the technical scheme, the problem that an existing concrete heat preservation structure cannot achieve cyclic utilization of heat preservation elements is solved, and the requirement for the winter construction period in the alpine regions can be met.
Owner:CITIC CONSTR +1

Automatic draining tank

The invention discloses an automatic draining tank. An inner cavity of a tank body is divided into a water inlet area and a water outlet area through a partition plate. The water inlet area is provided with a water inlet, the water outlet area is provided with a water outlet with a sealing cover, and the sealing cover is connected with a floating ball. A draining tank type is used for replacing single-level water seal pipes and multi-level water seal pipes which are commonly used in a power plant at present. The partition plate is adopted in the draining tank for partitioning, the automatic floating ball is adopted for controlling the water level, and the water outlet is automatically closed; and the automatic draining tank is small in size, the construction difficulty and the project amount of water seal embedded pipes are greatly reduced, meanwhile, the phenomenon that a water seal is evacuated or draining is not smooth can be avoided, running safety of a draining system is improved, in addition, no special requirement for arrangement exists, more favorable conditions are provided for optimal arrangement of the area, and the problems that a traditional U-shaped water seal pipe is difficult to construct, poor in water seal effect and hard to repair and maintain are solved. The automatic draining tank is simple in structure, compact in arrangement, easy to built and maintain, small in occupied size, convenient to construct and safe and reliable in running and has very high practicability and wide applicability.
Owner:CEEC JIANGSU ELECTRIC POWER DESIGN INST

Passenger cabin deck structure and ship

The invention relates to the technical field of ships, and discloses a passenger cabin deck structure and a ship. The passenger cabin deck structure comprises a steel deck, a ceiling and a rock wool board, and no fireproof layer is arranged on the steel deck; the ceiling is arranged below the steel deck; and the rock wool board is arranged on the side, close to the steel deck, of the ceiling, a preset distance is formed between the rock wool board and the steel deck, and an air layer is arranged within the preset distance. The fireproof layer arranged on a steel deck in the prior art is omitted, the fireproof layer cost and the labor cost are reduced, and the weight and the work amount of the steel deck are reduced; and the ceiling is arranged below the steel deck, the rock wool board is arranged above the ceiling, and the rock wool board and the steel deck are arranged at the preset interval, so that it is guaranteed that the rock wool board and the air layer have the good fireproof effect, meanwhile, the ceiling is easy to lay, the rock wool board only needs to be placed on the ceiling, construction operation is easy, and construction cost is low. The labor cost is saved, and meanwhile the shipbuilding period can be guaranteed.
Owner:GUANGZHOU SHIPYARD INTERNATIONAL LTD

Continuous flow diverting energy dissipation type spillway and arc-shaped stilling pier

The invention relates to a continuous flow diverting energy dissipation type spillway, an arc-shaped stilling pier and an energy dissipation unit. The continuous flow diverting energy dissipation typespillway comprises arc-shaped stilling piers, arc-shaped flow diverting partition walls, a side wall and a bottom plate, the arc-shaped stilling piers, the arc-shaped flow diverting partition walls,the side wall and the bottom plate are integrally poured, the arc-shaped stilling piers and the arc-shaped flow diverting partition walls are arc-shaped in the direction perpendicular to the water flow direction, the arc-shaped stilling piers are located on the center line of the spillway, flow diverting holes are formed in pier bodies of the arc-shaped stilling piers, and the arc-shaped flow diverting partition walls are symmetrically arranged on the two downstream sides of the arc-shaped stilling piers correspondingly. According to the spillway, the structure is simple, the manufacturing cost is low, the number of energy dissipation sections can be automatically adjusted to be increased or decreased according to water flow conditions, the arc-shaped stilling piers are adopted to stop flow and dissipate energy, the arc-shaped flow diverting partition walls and the arc-shaped stilling piers are used in cooperation, the symmetrical arc-shaped flow diverting partition walls on the two sides guide water flow to generate concentrated counteraction energy dissipation with water flow from the arc-shaped stilling piers, the flow direction of fluid tends to be unified again, and the waterflow condition is improved.
Owner:TIANJIN CHENGJIAN UNIV

Automated biometric identification system (ABIS) and method

A program for uploading images or direct scans of fingerprints into a computer system where they are then input into proper forms used in searching common databases. The system develops and saves files into types that are typically used in the biometric search industry, and these files are submitted to national fingerprint databases. This entire process is streamlined and reduces the amount of work and input required by the end user to a minimum. The program will reduce the user's amount of work necessary to submit a fingerprint search to national databases by simplifying the formatting of the submittal page for such national databases, resulting in a more efficient manner of preparing fingerprint search documents in appropriate formats. The program is fully customizable and can be used to satisfy the requirements of any national fingerprint database.
Owner:AWARE INC
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