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81results about How to "Save on shipping costs" patented technology

High-temperature aerobic fermentation process for sludge with low energy consumption and no pollution

The invention discloses a high-temperature aerobic fermentation process for sludge with low energy consumption and no pollution, and relates to the technology for aerobic fermentation treatment on dewatered sludge. The process is used for decontamination, stabilization and reduction treatment of town sewage sludge, sewage sludge, organic industrial wastewater sludge and organic sludge. In the process, the dewatered sludge and auxiliary materials are mixed, the mixture is crushed into composting particles with the diameter less than or equal to 20mm, the composting particles are evenly distributed into a pile with the height of 2m by a spreader, and the pile is covered by fermented decaying products to effectively reduce the odor emitted by the composting. A fermentation bin with two combined or separated bins is provided with a ventilation and oxygen supply system which is detachable, is easy to clear, prevents blockage and has even gas distribution, and a pile turning device inside; and the oxygen concentration, fermentation temperature, water ratio of the pile in the fermentation bin are controlled, so that sludge fermented products meet national standard. The process facilitates air supply and aerobic fermentation of the pile due to small diameter of the composting particles and the loose pile, has thorough fermentation of the particles of the sludge mixture, improves the quality of the sludge fermented products, makes the sludge fermented products meet the decontamination, stabilization and reduction index requirements specified by the national standard, and greatly saves electric energy consumption and reduces operating cost.
Owner:城市污染控制国家工程研究中心 +2

Method for preparing dry-type water-soluble colorful rock slices

The invention relates to a preparation method for a dry-type water colored sliver, comprising following technical steps: 1) preparation of polyurethane modification acrylic acid latex: dihydric alcohol is put into a reactor and then temperature is increased to 70 DEG C to 100 DEG C, then dihydric alcohol and organic tin dihydric alcohol is added and temperature is increased to 100 DEG C +/- 5 DEG C for 2 to 4 hour reaction, then temperature is decreased to 60 DEG C +/- 5 DEG C and methyl acrylate and dihydroxy methylpropanoic acid are added, then circumfluence temperature is controlled at 60 DEG C to 80 DEG C and reaction is carried out for 6 hours +/- 0.5 hours; when NCO value in reaction system is lower than 1, prepolymer is transferred into a dispersator and is dispersed in water dissolved in neutralizing agent of triethylamine, then water polyurethane is prepared; 50 to 100 pieces of water polyurethane are put into a reactor, temperature is increased to 70 DEG C to 90 DEG C and polyurethane modification acrylic acid co polymerization latex is obtained: step 2, the preparation of dry-type water colored sliver. The dry-type water colored sliver of the invention has the advantages of fine climate resistance performance, no conglutination on the way of transportation, fine elasticity, no discharging of organic matter with volatility and cost saving.
Owner:JIANGSU GUOLIAN TECH

Environment-friendly mining design method for mine mining, screening, pressure relief , drainage and filling

The invention discloses an environment-friendly mining design method for mine mining, screening, pressure relief, drainage and filling. The environment-friendly mining design method includes the stepsthat firstly, a protective layer on total rock is mined to increase an interlayer crack between the protective layer and a protected layer, and gas pressure relief of the protected layer is realized;meanwhile, high gangue content raw coal produced by mining of the protective layer is transported to an underground coal gangue washing system, and washed gangue is stored in a gangue silo; a gas drainage system is then arranged in the protective layer and the protected layer, and safe and efficient co-mining of a coal seam with low permeability and high gas is realized; and finally, the gangue stored in the gangue silo is transported to the ultra-long mixed mining working face of the protective layer to fill a goaf. According to the environment-friendly mining design method, the difficult problem of gas prevention of the coal seam with the low permeability and the high gas is effectively solved, environment pollution and damage caused by gangue ground discharging are avoided, the miningrate of mine resources and the recovery rate of coal-bearing associated resources are improved, the application range of a protective layer mining technology and a solid filling coal mining method isbroadened, and important technical reference can be provided for mining mines with the same conditions.
Owner:CHINA UNIV OF MINING & TECH

Intelligent logistics trading platform matching vehicle sources with goods sources

The invention provides an intelligent logistics trading platform matching vehicle sources with goods sources. The intelligent logistics trading platform matching the vehicle sources with the goods sources comprises a vehicle source side, a goods source side and a logistics matching trading platform, wherein the logistics matching trading platform is connected to the vehicle source side and the goods source side respectively. The logistics matching trading platform comprises an automatic matching controller and a manual processing center. The vehicle source side comprises a first vehicle source, a second vehicle source, a third vehicle source and other vehicle sources. The goods source side is respectively connected to the automatic matching controller and the manual processing center. Both the automatic matching controller and the manual processing centers are connected to the vehicle source side. The manual processing center is connected to the automatic matching controller through a visual interface or an information network. According to the intelligent logistics trading platform matching the vehicle sources with the goods sources, the vehicle sources and the goods sources can be fully matched, resources are saved, and the problems of monitoring safety and early warning road congestion in a logistics process are solved.
Owner:天津正易物通网络科技有限公司

Three-opening clamping plate type connecting part and office cabinet

The invention discloses a three-opening clamping plate type connecting part and an office cabinet. The three-opening clamping plate type connecting part comprises a side plate, a first corner connecting part and a second corner connecting part; the first corner connecting part and the second corner connecting part are detachably installed on the side plate; the first corner connecting part comprises a first fixing block, a first clamping plate and a second clamping plate; the first clamping plate and the second clamping plate are arranged at the two adjacent sides of the first fixing block respectively; the second corner connecting part comprises a second fixing block, a third clamping plate and a fourth clamping plate; and the third clamping plate and the fourth clamping plate are arranged at the two adjacent sides of the second fixing block respectively. When the three-opening clamping plate type connecting part is used, the first clamping plate and the third clamping plate form a first clamping groove, and the inner side wall of the side plate, the second clamping plate and the fourth clamping plate form a second clamping groove and a third clamping groove respectively. The three-opening clamping plate type connecting part and the office cabinet are high in connecting performance and high in size stability, and meanwhile the plate machining, transporting and packaging cost can be reduced.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Fabricated two-way steel bar truss floorslab

PendingCN110397200ACapable of bearing loads by itselfHigh degree of industrializationFloorsFloor slabConcrete beams
The invention discloses a fabricated two-way steel bar truss floorslab. Two groups of plane steel bar trusses comprise multiple steel bar trusses arranged at intervals in parallel; two ends of each steel bar truss are carried/connected onto a steel beam/a concrete beam; upper string steel bars and lower string steel bars are arranged up and down in parallel and are welded into a whole through continuous wave-shaped web member steel bars; support steel bars are welded to two ends of the upper string steel bars and the lower string steel bars; the two groups of plane steel bar trusses are perpendicularly arranged in a crossing way so as to form a two-way steel bar truss; the upper string steel bars and the lower string steel bars of the two groups of plane steel bar trusses are welded and connected at respective perpendicular crosspoints; and a soffit formwork is fixedly connected to the bottom part of the two-way steel bar truss through nuts, or a bottom prefabricated superimposed concrete floorslab prefacricated layer is built on the bottom part of the two-way steel bar truss. The fabricated two-way steel bar truss floorslab provided by the invention is reliable in stress, economic, reasonable, high in industrialization degree and convenient to assemble, and materials can be recycled.
Owner:HANGZHOU TONGMSK DESIGN CO LTD

Mix-in-place train for bituminous pitch cold second birth cement fragmental stone

The present invention discloses a mix-in-place train for bituminous pitch cold second birth cement fragmental stone which includes a scratch board feeder, an electric generating set on the train body, a power control cabinet, a water tank, a metering water pump, an emulsified bitumen tank, an emulsified bitumen pump, a powder screening machine, a stirring machine, a side charging belt conveyor and a total conveying belt, the train body also is equipped with a cement silo, a mineral powder tank, an aggregate recovering bin, a new aggregate bin, and down part of above container outlet are equipped with a cement and mineral powder metering screw conveyer connected with the total conveying belt for weight class matching, a recovering aggregate and a new aggregate electric feeder; the power control cabinet electrical connects with a walking variable frequency motor of the scratch board feeder, and electrical connects with the metering water pump, the emulsified bitumen pump, the recovering aggregate and new aggregate electric feeder, the cement and mineral powder metering screw conveyer. The recovering technique does not need cleaning, transporting, breaking and heating waste material which shortens construction period, saves material and transportation cost, and is easy to drive synchronously and disassembled.
Owner:HENAN TONGHE HIGHWAY MAINTENANCE PROJECT +1

Telescopic mechanism of wetland excavator walking device

InactiveCN101705704AAddress workspace limitationsSolve dredging difficultiesSoil-shifting machines/dredgersArchitectural engineeringExcavator
The invention relates to a telescopic mechanism of a wetland excavator walking device, which comprises a left floating box and a right floating box. An intermediate frame is arranged between the left floating box and the right floating box; the intermediate frame is provided with mutually parallel connecting through holes; the two floating boxes are connected with the intermediate frame together through steel girders fixed on the floating boxes; the steel girders are inserted in respective connecting through holes and are connected in a staggered shape; the extension of the steel girders is controlled by a telescopic oil cylinder, one end of the steel girder is arranged inside a left waking device, and the other end of the steel girder is arranged inside a right walking device; and when the left and right floating boxes are completely contracted, the steel girder of the left floating box is hidden in the right floating box, and the steel girder of the right floating box is hidden in the left floating box. The telescopic mechanism saves the transportation cost and the time required for assembly and disassembly and improves the work efficiency. The whole side excavating range can be increased when a chassis is completely contracted; and a driver can clearly look so as to avoid the phenomenon of improperly excavating the walking device via the conventional wetland excavator bucket.
Owner:HEFEI ZHENYU ENG MACHINERY

Quick and high-efficiency treatment method of pig manure

The invention discloses a treatment method of pig manure. The treatment method comprises the following steps of 1, uniformly mixing fresh pig manure and water according to a solid-liquid ratio of 1:(1to 2), so as to obtain a manure and water mixture; putting the obtained manure and water mixture into a sealed reaction kettle, performing hydrothermal carbonizing reaction under the oxygen-free condition, stirring at the rotation speed of 80 to 120r/min, and reacting for 30 to 60min at constant temperature of 150 to 300 DEG C; after reaction is finished, stopping heating and stirring, and cooling to room temperature, so as to obtain a reaction product; finally, filtering the reaction product, or freely settling to separate solid and liquid, wherein the filter liquid is the crude liquid of liquid fertilizer, and the filter residue is charcoal. The treatment method has the advantages that the fermenting treatment on the pig manure is not required, the collected fresh pig manure is directlyused for processing and production, and the production cycle is short; the adding of other additives is not required, so that the dewatering treatment is not required before treatment, and the cost is lower; the amount-reduction and harmless effects of the pig manure can be realized, and most of fertilizer nutrients in the pig manure can be reserved.
Owner:JIANGXI AGRICULTURAL UNIVERSITY

Salvage method for broken and fallen drilling rod with steps and salvage barrel used in salvage method

The invention discloses a salvage method for a broken and fallen drilling rod with steps and a salvage barrel used in the salvage method. The method comprises the steps that in the salvage work, clamping keys arranged on the inner wall of a barrel body are used for limiting a ball base assembly to move downwards along a big-end-down barrel inner hole, and the salvage work is completed. When the broken and fallen drilling rod with the steps needs to be released, the limit of the clamping keys on the ball base assembly is removed through an elastic rotary base, so that the ball base assembly moves downwards along the big-end-down barrel inner hole to complete an expansion action to release the broken and fallen drilling rod with the steps. According to the salvage method for the broken and fallen drilling rod with the steps, an existing method that an existing three-ball salvage barrel has to release the broken and fallen drilling rod with the steps in shearing pin shearing or ball casting and pressing and other modes is changed, the purpose of salvage and releasing can be achieved only through simple downward placing and upward lifting, and operation is easy. The extension strength of the structure is the largest extension strength of the barrel body, and is much larger than that of an original shearing pin, the probability that new accidents occur in the salvage process is reduced, and the performance is reliable. The whole salvage process is simpler, smoother and reliable, and saves time and money.
Owner:GUIZHOU GAOFENG GASOLINEEUM MACHINERY

Anti-hydrophobic soil stabilizer as well as preparation method and application thereof

The invention discloses an anti-hydrophobic soil stabilizer and a preparation method thereof. The preparation method of the anti-hydrophobic soil stabilizer comprises the following steps in parts by weight: dissolving 3 parts by weight of oleamide and 6 parts by weight of triisopropanolamine in alcohol to obtain a mixture; then, reacting the mixture with 5 parts by weight of carbolic acid and adding water into a reaction kettle to synthesize the anti-hydrophobic soil stabilizer. The anti-hydrophobic soil stabilizer is applied to paving a road, performing phosphogypsum environment-friendly treatment, performing slope treatment and performing stone carving artwork repair. The anti-hydrophobic soil stabilizer disclosed by the invention can be used for improving a soil granule structure, lowering the soil particle interface activity, enabling the original cohesion inside the soil particles to recombine to produce irreversible cohesion, blocking soil mass gaps to enable the soil particles to lose capillary water absorption, directly mixing with the natural soil and lowering the consumption and saving over 50% of the energy resources by enabling a weight ratio of the anti-hydrophobic soil stabilizer to natural soil to be smaller than and equal to 0.1%, and can not cause pollution on the natural environment after being mixed into the soil.
Owner:敬启培

Mounting bracket and mounting method for photovoltaic module

The invention discloses a mounting bracket and a mounting method for a photovoltaic module. The mounting bracket for the photovoltaic module comprises a lower bracket, an upper bracket, a supporting member, a first limiting member and a second limiting member, wherein the upper bracket can be folded towards the lower bracket, and the bottom of the upper bracket is connected with the first end of the lower bracket by folding; the supporting member can be folded towards the lower bracket, the bottom of the supporting member is connected with the second end of the lower bracket by folding, and the top of the supporting member can be fixedly connected with the upper bracket; the first limiting member is fixed at the bottom of the upper bracket; and the second limiting member can be fixed at the top of the upper bracket, and is used for matching the first limiting member to jointly limit the photovoltaic module. The mounting bracket for the photovoltaic module is partially foldable, and the folded mounting bracket for the photovoltaic module occupies a small space, facilitates transportation and storage and reduces the transportation cost and the storage cost; meanwhile, remounting connection of some parts is reduced, and the mounting efficiency is improved.
Owner:YINGLI ENERGY CHINA

Novel process for reutilization of revolving furnace mud

The invention relates to a novel process for recovery and utilization of converter mud, which is characterized in that the process flow of transportation, recovery and utilization comprises the following steps that: the converter mud firstly enters a stirring tank of a base booster pump station, metering facilities such as a flowmeter, a massmeter and so on, are arranged before the stirring, a signal is sent to a master control room PLC of the base booster pump station, then the converter mud is sent to a concentration large well by an SGMB70/2.0 membrane pump in the base booster pump station through a pipeline, the concentration of the converter mud achieves 27 percent through concentration of bottom flow, then a concentrated tank is equipped with a slurry pump, and the converter mud is sent to the stirring tank through a pipeline; the bottom flow of a concentrator is equipped with a self-circulation facility, a membrane pump is arranged in a slurry adding pump station for sintering secondary pressure, and the converter mud is pressurized through a partial pressure pump station and then is sent to a primary mixer for mixture making. The transportation concentration is confirmed as 19.3 percent. The process can save the cost for mud pressing, processing and transportation, avoids dust mud scattered along roads by automobiles during the transportation from seriously polluting the environment, saves a large amount of water resource, and has remarkable economic benefit and social benefit.
Owner:ANSTEEL GRP MINING CO LTD

River channel ecosystem with functions of sewage interception, slope protection and water purification based on silt resource utilization and construction method thereof

The invention discloses a river channel ecosystem with functions of sewage interception, slope protection and water purification based on silt resource utilization and a construction method thereof. The ecosystem sequentially comprises a roadside sewage interception system which exposes the surface of a water body, an ecological slope protection system in the middle portion and a river channel water purification system in the water body which are arranged from an embankment on the one side of the river channel to the water body, wherein the roadside sewage interception system is composed and constructed by the splicing of bricks with the functions of sewage interception and water permeability, the ecological slope protection system comprises a silt soil protection slope and a vegetation concrete protection slope, and the river channel water purification system is composed of unit water purification system cages. Through the technology of the silt resource utilization and in cooperationwith three properties of the sewage interception, the slope protection and the water purification, and the constructed river is integrated in ecology, good in effect and strong in environmental effect.
Owner:HOHAI UNIV
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