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70results about How to "Good society" patented technology

Composite box girder bridge erected in advance by using corrugated steel web steel girders and construction method thereof

The invention discloses a composite box girder bridge erected in advance by using corrugated steel web steel girders. The bridge comprises a concrete soleplate, a steel girder and a concrete upper top plate, wherein the steel girder is a corrugated steel web steel girder structure; the steel girder comprises a pair of corrugated steel webs which is arranged vertically and symmetrically and an open-web diaphragm unit erected between the pair of corrugated steel webs; and the upper end of each corrugated steel web is provided with an upper connecting mechanism to be firmly connected with the concrete top plate, and the lower end of the corrugated steel web is provided with a lower connecting mechanism to be firmly connected with the concrete soleplate. The invention also discloses a construction method for the composite box girder bridge erected in advance by using the corrugated steel web steel girders. The corrugated steel webs are used as composite box girder webs, so dead weight of a structure is reduced, live load efficiency is enhanced and a cracking problem of a conventional concrete box girder web is solved; and simultaneously, bracket-free construction can be realized in a high pier, construction quality is enhanced, construction process is fastened and remarkable economic and social benefits are achieved.
Owner:GUANGDONG PROVINCE COMM PLANNING & DESIGN INST

High elastic die cushion type composite dam

The invention belongs to the technical field of hydroelectric and hydraulic engineering hydraulic structures, and particularly provides a high elastic die cushion type composite dam. The composite dam comprises a concrete face plate, a cushion layer area, a transition area, an upstream major stone pile area and a downstream minor stone pile area, wherein the concrete face plate, the cushion layer area, the transition area, the upstream major stone pile area and the downstream minor stone pile area are sequentially arranged from an upstream region to a downstream region; a high toe wall area is arranged at the bottom of the concrete face plate, the bottom of the cushion layer area and the bottom of the transition area; a lower compression area is arranged at the bottom of the upstream major stone pile area and the bottom of the downstream minor stone pile area; the lower compression area is arranged at the downstream position of the high toe wall area and below the crest level of the high toe wall area. The high toe wall area and the lower compression area are arranged, so that transformation and stress of a dam body and the concrete face plate are reduced, the standards of stone pile dams with 200 m level face plates are reached, and the technology for stone pile dams with 300 m level face plates is feasible, economical and safe.
Owner:POWERCHINA XIBEI ENG +1

Improved UCT sewage disposal system and method for treating same

The invention discloses an improved UCT sewage disposal system and a treating method thereof, and belongs to the sewage disposal field. The system comprises an anaerobic reaction tank, an anoxic reaction tank and an aerobic reaction tank, wherein, a sewage inlet and a sewage outlet are formed on the anaerobic reaction tank; a rotary cutting eddy current vertical type stirring device is arranged in the anaerobic reaction tank; the anaerobic reaction tank is communicated with the anoxic reaction tank through the sewage outlet; the tail end of the anoxic reaction tank is connected with the anaerobic reaction tank through a recirculation pipe of a mixed liquor; a water outlet of the tail end of the anoxic reaction tank is connected to a water inlet of the front end of the aerobic reaction tank through a conveyance canal; a side wall of the anoxic reaction tank and a side wall of the tail end of the aerobic reaction tank are shared walls; a plurality of recirculation holes of the mixed liquid for recirculating from the aerobic reaction tank to the anaerobic reaction tank are formed on the shared walls; a recirculation pump of the mixed liquid are arranged on the recirculation holes of the mixed liquid; a plurality of aeration devices are arranged in the aerobic reaction tank; and a treating water outlet is formed at the tail end of the aerobic reaction tank. The system has the advantages of simple structure and low operating cost.
Owner:BEIJING SOUND ENVIRONMENTAL ENG

Acidic iron-containing wastewater recycling system and method for carrying out in situ modification by system

The invention discloses an acidic iron-containing wastewater recycling system comprising a pickling wastewater storage pool, wherein the pickling wastewater storage pool is connected with a neutral oxidation reaction tank through a raw water acid proof pump, and a stirrer, a 1# online pH meter and a 1# online ORP (oxidation reduction potential) meter are fixed in the neutral oxidation reaction tank; an alkali liquor storage tank is connected with the neutral oxidation reaction tank through a 1# metering pump; a flocculant storage tank is connected with the neutral oxidation reaction tank through a 2# metering pump; the neutral oxidation reaction tank is connected with a settling tank through a slurry pump, the settling tank is connected with a sludge concentration tank, and a supernatant drain pipe is further connected to the settling tank; the sludge concentration tank is connected with a high pressure plate frame filter press through a high pressure slurry pump; and the neutral oxidation reaction tank is further connected with a blower. The invention further discloses an in situ modification method for treating wastewater by the acidic iron-containing wastewater recycling system. By adopting the acidic iron-containing wastewater recycling system disclosed by the invention, more than 55% of Fe3O4 can be stably prepared and recycled through in-situ reaction in an acidic wastewater neutralization tank under normal temperature and normal pressure conditions.
Owner:WUXI XINDU ENVIRONMENTAL PROTECTION EQUIP +1

Urban shock-resisting waterlogging-preventing rainfall flood management system

InactiveCN103266658AReduce runoffRealize regulation, storage and dischargeLevel controlSewage drainingWater dischargeEngineering
The invention relates to an urban shock-resisting waterlogging-preventing rainfall flood management system, which comprises a plurality of blocks of concave green fields, a plurality of rainwater utilizing facilities, a plurality of concave rainwater parks, a plurality of concave playgrounds and an intelligent control system, and the urban shock-resisting waterlogging-preventing rainfall flood management system is characterized in that the concave green fields, the rainwater utilizing facilities, the concave rainwater parks and the concave playgrounds are communicated with one another though a water drain pipe network, the water drain pipe network is provided with a water drain pipe network liquid level meter, each concave rainwater park is internally provided with a park inner liquid level meter, each concave playground is provided with a playground inner liquid level meter, a water inlet of each concave rainwater park is provided with a park water inlet liquid level meter, a water inlet of each concave playground is provided with a play ground water inlet liquid level meter, the input end of the intelligent control system is connected with the output ends of the liquid level meters, and the output end of the intelligent control system is connected with control input ends of a water inlet/water discharging systems of the concave rain water parks and the concave playgrounds, thus an intelligent urban shock-resisting waterlogging-preventing rainfall flood management system is formed. The urban shock-resisting waterlogging-preventing rainfall flood management system has the beneficial effects that the shock can be resisted, the water logging is prevented, and the rain water is regulated, stored and discharged.
Owner:朱加林

Intelligent control type anti-impact urban sunken playground

ActiveCN103114512APlay a role in regulating storage and slowing dischargeHigh maintenance costsGround-workSewerage structuresControl signalProgrammable logic controller
The invention relates to an intelligent control type anti-impact urban sunken playground which comprises a sunken playground. The playground is characterized in that the sunken playground is in linkage with a rainwater storage adjustment and slow drainage structure to form the anti-impact urban sunken playground, wherein the rainwater storage adjustment and slow drainage structure mainly comprises a rainwater switch well, a water inlet/outlet control valve, a switch well liquid level meter and a PLC (Programmable Logic Controller); the rainwater switch well is communicated with a municipal drainage system; the sunken playground is communicated with the rainwater switch well through the water inlet/outlet control valve; the switch well liquid level meter is mounted in the rainwater switch well and is used for measuring the water level of the rainwater switch well; a signal output end of the switch well liquid level meter is connected with a signal input end of the PLC; a control signal output end of the PLC is connected with a control input end of the water inlet/outlet control valve; and the PLC controls the on or off of the water inlet/outlet control valve according to a water level signal value from the switch well liquid level meter so as to form an intelligent control structure. The intelligent control type anti-impact urban sunken playground provided by the invention forms a rainwater utilization system skillfully combining intelligent control type urban sports, leisure and entertainment with urban drainage and disaster reduction.
Owner:广东智水科技发展股份有限公司

Immobilized microalgae reactor taking mycelium pellets as carriers and wastewater processing method

The invention discloses an immobilized microalgae reactor taking mycelium pellets as the carriers and a wastewater processing method. The reactor comprises a water inlet system, a reactor body, and awater outlet system. The water inlet system comprises a water inlet box. The water inlet box is sequentially connected to a water pump and a water inlet pipe. The reactor body comprises an uprising pipe and a descending pipe. The other end of the water inlet pipe is communicated with the top end of the descending pipe. The uprising pipe is arranged in the cavity of the descending pipe. The bottomof the descending pipe is provided with an aeration head. The aeration head is communicated with an air compressor through an air inlet pipe. The water outlet system comprises a water outlet box and awater outlet pipe. The water outlet pipe is installed on the lateral wall of the descending pipe. The water outlet pipe is communicated with the descending pipe. Water from the water outlet pipe is introduced into the water outlet box. The wastewater processing method comprises following steps: manufacturing a reactor, preparing a condensed alga solution, mycelium pellet suspension, flocculant fermentation broth, and photosynthetic bacteria concentrate, and rapidly starting and running a bacterium-alga commensalism system. The problems that the time for generating a mycelium pellet-microalgaeparticle system is long and the stability of the system is bad are solved.
Owner:HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Modifier for physical properties of greenbelt soil and use method thereof

The invention relates to a land soil modifer, in particular to a modifer for the physical properties of greenbelt soil and a use method thereof. The modifer mainly comprises the following components:organic waste compost, wood charcoal, rice hull ash, coco coir, attapulgite powder and a microbial agent, wherein a volume percent ratio of the organic waste compost to the wood charcoal to the rice hull ash to the coco coir to the attapulgite powder is (40-55%): (2-4%): (2-4%): (2-4%): (0.5-1%). The modifer for the physical properties of greenbelt soil is scientifically prepared from recycling products of organic waste, organic and inorganic materials, the microbial agent and other materials according to a certain proportion, and is applied to different types of greenbelt habitats such as lawns, arbor and shrub planting holes and road greenbelts; and through usage of the modifer and microbial agents, the problem of degradation of soil physical properties such as volume weight, air permeability, infiltration rate, aggregate structure, non-capillary porosity and the like of the greenbelt soil is effectively improved, a good long-acting promotion effect is achieved on the growth of greenbelt plants, and the sustainability of the ecological function of greenbelt is improved.
Owner:广州市林业和园林科学研究院

Hydraulic automatic flushing system

A hydraulic automatic flushing system comprises a pedal, a spring, a hydraulic oil cylinder and a water storage device; the water storage device comprises a water pipe, an upper throttle valve, an upper throttle piece, a drainage piston, a lower throttle piece and a lower throttle valve; the upper throttle valve and the upper throttle piece are sequentially arranged in the water pipe; the lower throttle piece, the water discharge piston and the upper throttle valve are connected in a rigidity mode through a connection rod; the upper throttle piece and the lower throttle piece are fixed inside the water pipe in an interval mode; the hydraulic oil cylinder comprises a U-shaped pipe communicating vessel, hydraulic oil which is filled in the U-shaped pipe communicating vessel, a first hydraulic cylinder piston and a second hydraulic cylinder piston; the first hydraulic cylinder piston and the second hydraulic cylinder piston are arranged on bilateral sides of the U-shaped pipe communicating vessel; the lower portion of the lower throttle valve is connected with the second hydraulic cylinder piston through the connection rod; and the lower surface center of the pedal is connected with the first hydraulic cylinder piston through the connection rod. The hydraulic automatic flushing system achieves water storage when being trod through a person and achieves the automatic flushing function of performing pressurization flushing when the person leaves.
Owner:SHANGHAI JIAO TONG UNIV

Polyester resin extruding light-emitting plate and preparation method thereof

The invention provides a polyester resin extruding light-emitting plate and a preparation method thereof. The polyester resin extruding light-emitting plate comprises the following components in percentage by weight: 60%-90% of thermoplastic polyester resin, 3%-15% of light-emitting agents, 5%-35% of high-refractive index superfine hollow glass microspheres, 1%-5% of silane coupling agents and 0.5%-4% of octadecanamide lubricating agents, wherein the thermoplastic polyester resin is polyethylene terephthalate; and the light-emitting agents are aluminate and/or silicate light-emitting agents activated by using rare-earth. The polyester resin extruding light-emitting plate provided by the invention overcomes the defects of the prior art, is optimized in formula component and reduced in cost, is a high-brightness and long-afterglow novel environment-friendly energy-saving product, has the characteristics of excellent light absorption, light storage and self illumination, has the advantages of good physical and chemical property, flame retardancy, weather resistance, corrosion resistance, nontoxicity, harmlessness and no radiation, greatly enhances the light-emitting brightness, greatly prolongs the afterglow time, has good cost advantage, can be produced on a large scale, is energy-saving and environment-friendly and wide in application range and has excellent social and economic value.
Owner:GUANGHAN GUOTENG COMPOSITE MATERIAL
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