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74results about How to "Compact footprint" patented technology

Stormwater treatment apparatus and method

A liquid purification and separation apparatus for separation of pollutants in stormwater runoff is disclosed. This apparatus utilizes gravitational separation and tortuosity, resulting from a plurality of baffles both perpendicular to and oblique to the primary water flow direction, to trap substances less-dense and more-dense than water. The apparatus features improved resistance to pollutant remobilization through treatment of water volume rather than flow rates, using vertically stacked water columns of varying depths to settle small particles. An overflow structure diverts excessive liquid without interfering with purification and separation, and can be placed integrally within or external to the apparatus receptacle.
Owner:JENSEN ENTERPRISES

Proton therapy system based on compact superconducting cyclotron

ActiveCN107596579ARealize radial movementGet in and out of bed easilyMagnetic resonance acceleratorsMedical devicesProtonFixed energy
The invention discloses a proton therapy system based on a compact superconducting cyclotron. The proton therapy system includes a superconducting cyclotron system, an energy selection system and a beam transportation system, a fixed treatment room subsystem and a rotary frame treatment subsystem; the fixed energy proton beam led out by the superconducting cyclotron in the superconducting cyclotron system can be a continuously adjusting proton beam of 70-200MeV via the energy selection system, so that the longitudinal adjustment of the range during the proton therapy of tumors can be met; thebeam is transmitted to the fixed treatment room subsystem and the rotary frame treatment subsystem via the beam transportation system; the superconducting cyclotron system, the energy selection system, the beam transportation system and a treatment head are subjected to cooperative control to realize the transverse expansion of the proton beam, so that the intensity modulation treatment of the tumor can be completed. According to the invention, the innovation is good, the practicability is high, the beam intensity of the superconducting cyclotron is adjustable, and the intensity modulation treatment can be realized; and the system has an extremely important promotion effect on the accuracy, effectiveness and high efficiency of tumor treatment of a patient.
Owner:HEFEI CAS ION MEDICAL & TECHNICAL DEVICES CO LTD +1

Stormwater treatment apparatus and method

InactiveUS20070068878A1Compact footprint areaCompact plan areaGeneral water supply conservationTreatment involving filtrationWater volumeWater flow
A liquid purification and separation apparatus for separation of pollutants in stormwater runoff is disclosed. This apparatus utilizes gravitational separation and tortuosity, resulting from a plurality of baffles both perpendicular to and oblique to the primary water flow direction, to trap substances less-dense and more-dense than water. The apparatus features improved resistance to pollutant remobilization through treatment of water volume rather than flow rates, using vertically stacked water columns of varying depths to settle small particles. An overflow structure diverts excessive liquid without interfering with purification and separation, and can be placed integrally within or external to the apparatus receptacle.
Owner:JENSEN PRECAST

Apparatus for irradiation

An irradiation apparatus configured to be coupled to an irradiation chamber containing a material to be irradiated, comprising: a support structure; one or more radiation sources coupled to the support structure; and a heat exchange mechanism thermally coupled to the one or more radiation sources. The heat exchange mechanism comprises one or more of a thermoelectric cooling device, a vapor chamber, a heatsink, a heat dissipation structure, a fan, and a cooling coating. The one or more radiation sources comprise one or more UV radiation sources, one or more UV-C radiation sources, one or more visible radiation sources, or a combination thereof. Optionally, the one or more radiation sources comprise a plurality of radiation sources arranged in an array. Optionally, the one or more radiation sources deliver a combination of wavelengths to the material to be irradiated.
Owner:AQUISENSE TECH

Automobile hydraulic electric power steering reliability test bench and program control test method

The invention relates to an automobile hydraulic electric power steering reliability test bench and program control test method. An input system comprises a servo motor, a reducer and a universal joint connected with the input end of a steering gear; an output system comprises a linear hydraulic cylinder with two functions of driving and load simulation, the front pole of a hydraulic cylinder piston is provided with a pressure sensor and connected with the rocker arm of the output end of the steering gear by a coupler with a joint bearing. An eccentric shaft, an eccentric bushing and a variable frequency motor are arranged at the inner bore of the rear lug of the hydraulic cylinder to form an automobile vibration simulation system, so as to simulate real vibration of rugged road surface. The hydraulic cylinder is compact and simple in structure, system integration is high and usable range is wide. The joint bearing causes the installation to be convenient. The hydraulic loop includes a throttle valve, thus speeding up oil-taking. An industrial personal computer, a motion control card and a data acquisition card are used, so that system stability is high, measurement accuracy is high, and response speed is fast. Curves and process control can be displayed in real time, and automatic save, plotting and printing can be realized. The test bench set can complete all reliability tests of fatigue, wear, forced steering, inverse overload and overpressure.
Owner:SICHUAN UNIV

Converter steel slag treatment device and method

The invention relates to a converter steel slag treatment device which comprises a crown block, a slag ladle, a chute, a forklift, a steel slag pool, a bottom filtering pool, a water pump house, a water storage tank, a cooling tower, a bridge-type grab crane, a chimney, a hydraulic roller couple, nozzles, a granulating room and a condensate water tank, wherein a lifting hook of the crown block is connected with the slag ladle, the outlet of the slag ladle is connected with the inlet of the chute, and the outlet of the chute is connected with the upper part of the hydraulic roller couple; nozzles a are symmetrically arranged on the two sides of the upper part and the two sides of the lower part of the hydraulic roller couple, and the hydraulic roller couple and the nozzles a are all arranged in the granulating room; the steel slag pool is arranged at the lower part of the granulating room, and the forklift is arranged on the outer side of the lower part of the granulating room. The invention further discloses a converter steel slag treatment method. The flow of the method is as follows: steel slag dumping, steel slag crushing, steel slag granulating, slag washing water filtering and vapor condensation recovery. The converter steel slag treatment device has the advantages of high slag treatment efficiency, compact occupied area, energy conservation, environment protection and no pollution, adapts the fast-paced production mode of a converter, is good for magnetic separation extracting of grain steel and comprehensive application of grain slag, and has remarkable economical benefit.
Owner:北京中冶设备研究设计总院有限公司

Large-size high-speed micropore drilling system

The invention relates to a large-size high-speed micropore drilling system which comprises a light beam space modulation module and a galvanometer scanning flat field focusing module. Particularly, the light beam space modulation module, particularly a plurality of transparent flat optical elements are combined with the galvanometer scanning flat field focusing module, the light beam space modulation module is used for modulating the space trace of a laser light beam, the galvanometer scanning flat field focusing module is used for focusing laser and rapidly switching laser spots at different machining positions, and the two modules are in division and cooperation. By the aid of the scheme, large-size micropore drilling can be realized, laser drilling efficiency and drilling quality are greatly improved, the large-size high-speed micropore drilling system is quite suitable for drilling straight holes, laser light beam filling and scanning shapes and sizes can be dynamically controlled, micropore drilling pore diameters can be dynamically changed, and fine structures can be flexibly machined.
Owner:张立国

Hydraulically-driven self-cleaning laminated filtering device of micro-irrigation system

The invention discloses a hydraulically-driven self-cleaning laminated filtering device of a micro-irrigation system. The filtering device comprises a filtering cavity consisting of an upper shell and a lower shell, wherein a filtering lamination set is arranged in the filtering cavity; the lower part of the filtering lamination set is provided with a lamination connecting gland; a back wash ejector is sleeved in the filtering lamination set; the upper part of the filtering lamination set is provided with a connecting seat; the upper part of the connecting seat is hermetically connected with a water outlet; the connecting seat is connected with a spiral disk; a back wash piston lever is axially arranged on an axial line of a filter core chamber; the top end of the back wash piston lever is provided with a back wash gasket, while the bottom end is connected with a back wash drainer after passing through the lamination connecting gland; and the back wash drainer is extended out of the bottom of the lower shell and communicated with a back wash drainage connecting pipe. According to the requirement of micro-irrigation on water treatment, a two-stage three-dimensional filtering mode formed by the lamination set and the spiral disk is innovatively designed and invented by researching theoretical basis of design of micro-irrigation filtering equipment; and automatic cleaning and automatic drainage are realized by using centrifugal sedimentation self-cleaning of the spiral disk and energy of water fluid in a filter consisting of a hydraulically-driven piston, a back wash filter core bracket and a drainage device.
Owner:王栋

Operator's section construction for work vehicle

An operator's section construction for a work vehicle includes an operating deck (21) mounted on a vehicle body (6), a driver's seat (8) mounted on the operating deck (21), a first operating device (22) provided on one of right and left sides of the operating deck (21) and a second operating device (23) provided on the other of the right and left sides of the operating deck (21). On an upper face of the operating deck (21), there are formed a mounting portion (21a) for the driver's seat (8), a mounting portion (21b) for the first operating device (22), and a mounting portion (21c) for the second operating device (23); the driver's seat (8), the first operating device (22) and the second operating devices (23) being mounted on the respective mounting portions (21a,21b,21c) independently of each other.
Owner:KUBOTA CORP

Integrated MABR apparatus used for black and odorous water treatment, and treatment method thereof

The invention discloses an integrated MABR apparatus used for black and odorous water treatment, and a treatment method thereof. The apparatus adopts MABR to substitute an MBR technology, and is combined with an oil separation and sand settlement tank and a phosphate removal filter tank to form a modular unit in order to reach the best black and odorous river treatment effect. The apparatus comprises an upper layer comprehensive treatment unit and a lower layer phosphate removal unit, the upper layer comprehensive treatment unit comprises the oil separation and sand settlement tank and an integrated MABR tank, the oil separation and sand settlement tank is placed in front of the integrated MABR tank, and the oil separation and sand settlement tank is connected with an integrated MABR tank body through a pipeline; the integrated MABR tank comprises a grating chamber, a reaction zone, a settlement zone, a clear water tank and an equipment room; the equipment room is placed at the tops of the settlement zone and the clear water tank; and the lower layer phosphate removal unit comprises the phosphate removal filter tank and a mixed filler layer arranged in the phosphate removal filter tank, and the upper end of the clear water tank is provided with a water outlet which is connected with the bottom of the phosphate removal filter tank through a pipeline.
Owner:JIANGSU AONISI ENVIRONMENTAL PROTECTION TECH

Table type computer

The invention relates to a design of a personal computer, which is applicable to the field of offices, households, educations, designs, scientific researches, calculation, recreation, and industrial controls and the like. Two disadvantages of the prior computer are that first, a host computer, a display, and a sound box and the like are separately arranged, and layout and arrangement are all more complex, in addition, the connection of electric cable such as a power supply line, a video line and the like are crossed, which is not aesthetic. The invention provides a table-type computer, wherein a cabinet and a computer table are combined together, a main cabinet is arranged on the rear portion of the table surface, which integrates with the table surface, a top cover of the main cabinet can be opened, when the top cover is shut, the top cover forms a portion of the table surface, and a mainboard, an electrical source module, and a hard disk in the cabinet are transversely arrayed along the cabinet, and the mainboard is arranged on the rear surface of the cabinet. Compared with the prior computer design, the invention brings convenience to users, saves space, and simplifies connection, which is convenient for cleaning and repairing, and the invention further achieves standardization.
Owner:王宣

Method and apparatus for managing wire rope slings

An apparatus for the storing and management of a plurality of wire rope slings is presented, such slings being those typically comprised of a length of wire rope having at least one end loop. The apparatus has a base frame upon which is rotatably mounted a sling storage bin. The storage bin has a plurality of arm members that extend from the storage bin for engaging and holding an end loop of a selected wire rope sling. Rotation of the storage bin causes the selected wire rope sling to be coiled around said projecting arms within the storage bin. The apparatus may be provided with pad eyes and forklift tine guides to facilitate its transportation.
Owner:PAWS PUMPS

Anchor system for fixing steel strand in pre-stressed structure

The invention discloses an anchor system for fixing a steel strand in a pre-stressed structure. The anchor system comprises an anchor board, an anchor bearing plate, below-anchor spiral ribs and clamping pieces, wherein a main body of the anchor bearing plate is in a cylindrical form and gradually contracts from outside to inside; three round pressure-bearing steel boards are adhered to the outer side of the cylindrical main body at certain intervals; the sizes of the three-order steel boards are gradually reduced from outside to inside; and the middle part of the cylindrical main body is used for threading of pre-stressed steel. The anchor bearing plate of the anchor system adopts the form that the three-order round pressure-bearing boards are arranged along depth, a first-order pressure-bearing board shares more than a half of concentrated force, a second-order pressure-bearing board and a third-order pressure-bearing board share about 2 / 3 and 1 / 3 of the residual concentrated force, and the concentrated force of the anchor board is uniformly transmitted to the deep part of concrete below an anchor, so that not only can partial pressure stress under the anchor be prevented from being too concentrated, but also the limitation effect of the below-anchor spiral ribs can be effectively improved. Therefore, the occupied area and the space of the anchor bearing plate can be greatly reduced, and a design space and a construction property for anchor configuration in beam-column node positions of a reinforced concrete frame can be greatly enlarged and improved.
Owner:DALIAN NATIONALITIES UNIVERSITY

Efficient integrated cleaning system and method for petroleum hydrocarbon organic contaminated soil

ActiveCN112058889ASolve the complex structure of equipmentQuick move and installContaminated soil reclamationGrain treatmentsElectrical controlContaminated soils
The invention discloses an efficient integrated cleaning system and method for petroleum hydrocarbon organic contaminated soil. The system sequentially comprises a contaminated soil feeding unit, a pretreatment crushing unit, a microbubble entrainment cleaning unit, a discharging dehydration unit, a sewage treatment unit and an instrument and electrical control unit, wherein the microbubble entrainment cleaning unit sequentially comprises a first cleaning section and a third cleaning section, the first cleaning section comprises a first spiral scrubbing machine penetrating through the first cleaning section, a first microbubble group generating device located at the front end of the first cleaning section and a first contaminated soil turnover window located at the tail end of the first cleaning section, the third cleaning section comprises a third spiral scrubbing machine penetrating through the third cleaning section and a third microbubble group generating device located at the front end of the third cleaning section, and a material discharging port is formed in the tail end of the third cleaning section and communicated with a discharging dehydration unit. According to the invention, the soil remediation work efficiency is improved, the soil remediation construction and operation cost is reduced, and the system can be widely applied to cleaning treatment of polluted soil.
Owner:BCEG ENVIRONMENTAL REMEDIATION CO LTD

Permanent magnetic vacuum on-load voltage regulation switch, transformer and on-load voltage regulation method

The invention provides a permanent magnetic vacuum on-load voltage regulation switch which is used for carrying out on-load voltage regulation on a three-phase transformer. The permanent magnetic vacuum on-load voltage regulation switch comprises a three-phase voltage regulation main loop and a three-phase voltage regulation transition loop; and a voltage regulation switch is also arranged on the voltage regulation main loop. The voltage regulation switch adopts a permanent magnetic mechanism, does not need to use a power mechanism, has a simpler structure and is more convenient to operate. A fault probability is lower, and reliability is improved. A main loop switch and a transition loop switch are vacuum switches and an electric arc cannot be generated in the on-load voltage regulation process, so that the defect of oil carbonization caused by the electric arc is avoided, a user does not need to regularly carry out overhauling maintenance and oil filtration, and non maintenance is achieved. Only six vacuum arc-extinguishing chambers are adopted, so that the switch is smaller in volume and lower in cost. Moreover, the numbers of turns of coils corresponding to transformer taps are set proportionally, so that under the requirement of the same voltage regulation gear number, the number of the transformer taps can be reduced to the greatest extent and wiring can be simplified.
Owner:BEIJING PINGKAI INTELLIGENT ELECTRIC

Control method for robot riding elevator, robot, server and system

The invention provides a control method for robot riding elevator, a robot, a server and a system. The method comprises the steps that a car map acquisition request is sent to a server to obtain car interior map information of an elevator; an expected idle area of the car is obtained according to the obtained car interior map information; a first target position in the expected idle area is determined according to a preset rule when it is evaluated that the expected idle area can accommodate itself; the robot is controlled to walk to the first target position when the elevator reaches the floor where the robot is located; after the robot enters the elevator car, an elevator exit application is submitted to the server, and the elevator exit application comprises target floor information; and after the robot receives an instruction to leave the elevator sent by the server, the robot drives out the elevator car. The control method allows the same elevator to simultaneously accommodate theplurality of robots, the utilization rate of the elevator is improved, and the transportation efficiency of the whole system is improved.
Owner:上海木木聚枞机器人科技有限公司

Knob-type pressure regulating valve with pressure gauge and compressor provided with pressure regulating valve

The invention belongs to the technical field of fluid machinery, and relates to a structure and layout of a pressure gauge for monitoring and modulating the pressure condition of a fluid medium. The knob-type pressure regulating valve is characterized in that the condition that the pressure gauge and the pressure regulating valve of a traditional fluid mechanical device are of independent structures and in a distributed installation layout mode is improved, and the pressure gauge is accommodated into the pressure regulating valve in another way, thereby integrating the pressure gauge and the pressure regulating valve into one component. A hollow cavity is arranged on the pressure regulating valve to accommodate the pressure gauge for monitoring the pressure condition of the fluid; the pressure regulating valve is provided with pressure regulating components, such as a knob, a spinning sleeve, a pressure regulating core, a pressure regulating piston and a pressure regulating spring for regulating and controlling the output pressure of the fluid medium. Integral structure design and installation layout form are adopted by the pressure gauge and the pressure regulating valve, so that the space occupied by the whole device is more compact, the pressure gauge can be prevented from being crashed and scratched, and meanwhile, the compressor with the pressure regulating valve has higher reliability, smaller volume and a better appearance.
Owner:ZHEJIANG HONGYOU AIR COMPRESSOR MFG

Zero emission recycling process for treating power plant desulfurization high-salinity high-hardness wastewater

The invention discloses a zero emission recycling process for treating power plant desulfurization high-salinity high-hardness wastewater in the field of wastewater treatment. The process includes the following steps: chemically precipitating, using a solid-liquid separation membrane system, recycling condensate, specifically, charging concentrate of a nanofiltration membrane system into an MVR evaporator for evaporating and crystallizing, converting crystal into a bivalent salt for recycling, charging concentrate of a reverse osmosis membrane system into another MVR (mechanical vapor recompression) evaporating device for evaporating and crystallizing, and recycling crystal mainly including a monovalent salt. A desalting apparatus comprises a desalting membrane unit, a high-pressure pump, a membrane support, instruments, a pipeline and valves, and an electrical control system. The process of the invention has the advantages that floor area is small, resources are recycled, the whole process reduces energy and consumption, and zero emission of desulfurization wastewater is achieved.
Owner:上海澄华环境科技有限公司

Novel material suction nozzle device

The invention discloses a novel material suction nozzle device. The speed of replacing the suction nozzle is extremely fast, the fitting precision is extremely high, and a series of actions of grasping, correcting and mounting the material are quickly completed. All motors, Mini-products can be used for the guide and all parts, the entire suction nozzle unit occupies a compact space, almost on thesame order of magnitude as commonly used material sizes, A suction nozzle device comprise a main bracket, a vertical power device, a guide rail and a suction nozzle device with a suction nozzle motor, a slide rail part of that guide rail is vertically arrange on the main bracket, a vertical power device is arranged on a slide block part of the guide rail, and the vertical power device can slide up and down on the slide rail part along with the slide block part; A suction nozzle device is arrange on a vertical power device, that vertical pow device can drive the suction nozzle device to move up and down, and a suction nozzle motor can drive the suction nozzle device to make a rotational motion in a horizontal direction. The invention relates to the technical field of SMT mounting.
Owner:ZHUHAI CITY GUANGHAOJIE PRECISION MACHINERY

A converter steel slag treatment device and method

The invention relates to a converter steel slag treatment device which comprises a crown block, a slag ladle, a chute, a forklift, a steel slag pool, a bottom filtering pool, a water pump house, a water storage tank, a cooling tower, a bridge-type grab crane, a chimney, a hydraulic roller couple, nozzles, a granulating room and a condensate water tank, wherein a lifting hook of the crown block is connected with the slag ladle, the outlet of the slag ladle is connected with the inlet of the chute, and the outlet of the chute is connected with the upper part of the hydraulic roller couple; nozzles a are symmetrically arranged on the two sides of the upper part and the two sides of the lower part of the hydraulic roller couple, and the hydraulic roller couple and the nozzles a are all arranged in the granulating room; the steel slag pool is arranged at the lower part of the granulating room, and the forklift is arranged on the outer side of the lower part of the granulating room. The invention further discloses a converter steel slag treatment method. The flow of the method is as follows: steel slag dumping, steel slag crushing, steel slag granulating, slag washing water filtering and vapor condensation recovery. The converter steel slag treatment device has the advantages of high slag treatment efficiency, compact occupied area, energy conservation, environment protection and no pollution, adapts the fast-paced production mode of a converter, is good for magnetic separation extracting of grain steel and comprehensive application of grain slag, and has remarkable economical benefit.
Owner:北京中冶设备研究设计总院有限公司

Mouse roller encoder device, mouse and waterproof mouse

The invention relates to a mouse roller encoder device, a mouse and a waterproof mouse. The mouse roller encoder device is horizontally installed on a circuit board on a lower cover of the mouse, themouse roller encoder device comprises an encoder and a bevel gear transmission part, the bevel gear transmission part comprises a pair of driving bevel gear and transmission bevel gear, which are engaged with each other, the driving bevel gear is coaxially installed on a roller transmission shaft of the mouse, and the transmission bevel gear is coaxially installed on a rotary working shaft of theencoder. As the horizontal mouse roller encoder device is arranged on the mouse, the internal space occupation is small, so that the structure of the mouse is compact, the design of a waterproof coverin the waterproof mouse is facilitated, the volume of the whole mouse is smart, and thus satisfying the use demands and the technical development demands of people.
Owner:东莞市般若电子科技有限公司

Separation device and method for synthesis gas

The invention provides a separation device and a method for synthesis gas. The separation device for the synthesis gas comprises a first washing tower, a second washing tower, a flash tower, a first separation tower, a second separation tower, a first separation tank and a second separation tank, the first separation tank is respectively communicated with the first washing tower and the flash tower; the second separation tank is respectively communicated with the second washing tower and the flash tower; the first washing tower is communicated with the flash tower, the second washing tower iscommunicated with the flash tower, the flash tower is communicated with the first separation tower, the first separation tower is communicated with the second separation tower, the second separation tower is communicated with the first washing tower, and the first separation tower is communicated with the second washing tower. The invention further provides a separation method completed by using the separation device, the separation device and the separation method can be used for simultaneously preparing an OXO product, a pure H2 product and a pure CO product, and the purity of the pure H2 product and the purity of the pure CO product can reach 99v% or above.
Owner:BEIJING PETROCHEM ENG

Culture sewage treatment process

The invention relates to the field of sewage treatment, in particular to a culture sewage treatment process. The culture sewage treatment process comprises the following steps of S1, feeding culture sewage into a marsh gas tank; S2, feeding the culture sewage into a regulating tank through self flowing via the marsh gas tank; S3, conveying the regulated culture sewage to a precipitation tank; S4,feeding the culture sewage into an ozone aeration tank after passing through the precipitation tank; S5, feeding the culture sewage subjected to ozone aeration into a two-stage A / O biochemical integral tank for treatment; S6, passing the culture sewage passing through the two-stage A / O biochemical integral tank through a sand filtering tank, a clean water tank, an artificial wetland system and a clean water tank, and then directly discharging the sewage. The low-load active sludge process is used; the CODCr and BOD5 can be effectively degraded by a biochemical treatment method; the characteristics of compact ground occupation, stable process, low investment, simple maintenance, low operation cost and the like are realized.
Owner:张郁婷 +2

Tooling plate circular flow production line

The invention discloses a tooling plate circular flow production line. The technical problem that a tooling plate flow production line cannot be tilted in the transportation process in the background technology is solved. According to the technical scheme, the tooling plate circular flow production line comprises lifting mechanisms which are arranged at the two ends of the whole production line, a first conveying belt which is arranged between the two lifting mechanisms through a rack, at least one tooling plate mechanism which is arranged on the working face of the conveying belt, and at least one cantilever guide rod which is arranged on the rack and used for supporting a tilted tooling frame rolled over. The tooling plate circular flow production line has the advantages that circulation in the up-down vertical direction is adopted, and the production line only occupies half of the land of a similar production line; and the tooling plate circular flow production line is compact in land occupation, and circulation without power failures is realized.
Owner:江苏保力自动化科技有限公司

Modular configuration structure of research and development institution building

The invention discloses a modular configuration structure of a research and development institution building. The research and development institution building is a three-layer structure which is in a Chinese character hui shape; three function areas and a corridor which is in a Chinese character hui shape are arranged inside the research and development institution building; the three function areas comprise an experimental area (1), a detection area (2) and a scientific and technical information area (3); the experimental area (1) is provided with small-sized testing equipment needed by researches of technological processes, technological conditions and relative productions; the detection area (2) is provided with detection equipment; the scientific and technical information area (3) is provided with a scientific and technical information center, a technical research center and a multimedia conference room; the internal side of the corridor (4) which is in the Chinese character hui shape is a courtyard (5); the external side of the corridor which is in the Chinese character hui shape are the function areas; a rear portion of an external wall on a non-front surface of the main building is externally provided a distribution room and a fire protection control room (6) in a hanging mode; the experimental area (1), the detection area (2) and the scientific and technical information area (3) are provided with subsidiary rooms (7); and the subsidiary rooms comprise rest areas, washrooms, conference rooms, staircases, storehouses, dedusting machine rooms and the like.
Owner:GUIYANG AL-MG DESIGN & RES INST

Overspeed protection device of monorail crane

The invention discloses an overspeed protection device of a monorail crane. The device comprises a walking rack, travelling wheels are movably connected to the two sides of the travelling rack. An overspeed protection device is fixedly installed on the outer side of the walking rack. The overspeed protection device comprises a fixed plate; a balance supporting plate is mounted on the outer side ofthe fixed plate; one end of the balance supporting plate is connected with the shaft end of the fixed plate in a matched mode through two shaft sleeves A; the tail end of the fixed plate is connectedwith an end cover through a fastening screw; a spring is suspended between the fixed plate and the balance support plate; a centrifugal release device is fixed at the other end of the balance supportplate through a bolt; a hydraulic brake assembly is fixedly installed below the centrifugal release device, a trigger rod is movably connected to one side of the centrifugal release device, a specialcustomized joint bolt is fixedly installed on the lower side of the trigger rod, and an arc groove is formed in the hexagonal face of the top of the special customized joint bolt. The structure is relatively simple, and the space is relatively compact.
Owner:SCHARF MINING MACHINERY XUZHOU

Biological nitrogen and phosphorus removal method and system for sewage

The invention relates to the field of water treatment, in particular to a biological nitrogen and phosphorus removal method and system for sewage. The method comprises the following steps: 1) performing anaerobic treatment on a to-be-treated water body; 2) carrying out anoxic treatment on the water body obtained by anaerobic treatment; 3) carrying out aerobic treatment on the water body obtained by anoxic treatment; 4) carrying out oxygen elimination treatment on the water body obtained by aerobic treatment; 5) refluxing a part of supernatant of the water body obtained by oxygen elimination treatment to the step 2) for anoxic treatment; 6) carrying out membrane-based biological treatment on part of supernatant of the water body obtained by oxygen elimination treatment; 7) carrying out precipitation treatment on a lower-layer mud-water mixture of the water body obtained by the oxygen elimination treatment; 8) refluxing part of the water body obtained by the membrane-based biological treatment to the step 1) for anaerobic treatment; and 9) refluxing part of the water body obtained by the membrane-based biological treatment to the step 3) for aerobic treatment. The method is good in removal effect of total nitrogen and total phosphorus pollutants, simple and convenient to operate, low in energy consumption and stable in up-to-standard emission.
Owner:TONGJI UNIV
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