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40results about How to "Faster completion time" patented technology

Method for extracting buckwheat flavone from buckwheat bran

The invention discloses a method for extracting buckwheat flavone from buckwheat bran. A method of combining enzyme treatment and ultrasonic assistance is adopted for extracting the buckwheat flavone from the buckwheat bran, and in addition, macroporous resin is adopted for purification. The method comprises the following steps of 1) carrying out enzymolysis under the ultrasonic condition: the buckwheat bran is taken and is added with water to be prepared into buckwheat bran turbid liquid, and then, compound enzyme is added for carrying out enzymolysis; 2) centrifugal separation: enzymatic hydrolysate is subjected to centrifugation for collecting precipitates and supernate; 3) ultrasonic alcohol extraction: precipitates are subjected to ultrasonic leaching by ethanol; 4) filtration and concentration: alcohol extraction liquid is filtered and concentrated; 5) purification: the macroporous resin is used for carrying out purification on the concentrated liquid; and 6) drying: buckwheat-flavone-containing fractions obtained through purification are subjected to vacuum drying, and flavone products are obtained. The flavone compound prepared by the method disclosed by the invention has the advantages that the purity is higher, the preparation process is simple, the operation is simple and convenient, the implementation is easy, the environment is friendly, and the flavone compound is suitable for industrial magnification production.
Owner:SHAANXI UNIV OF SCI & TECH

Automatic conveying and sorting workbench based on photoelectric sensing judging classification

The invention discloses an automatic conveying and sorting workbench based on photoelectric sensing judging classification. The automatic conveying and sorting workbench comprises a sorting device used for sorting micro circuit breakers, a detection device used for detecting types of the micro circuit breakers, a conveying device used for conveying the micro circuit breakers and a control device,wherein the conveying device comprises a plurality of conveyor belts distributed around the sorting device, the detection device comprises convection type photoelectric sensors arranged at the end, close to the sorting device, of one of the conveyor belts, the sorting device comprises a pushing component used for pushing the sorted micro circuit breakers onto the corresponding conveyor belts and adriving component used for driving the pushing component to rotate, the control device comprises a controller, and the convection type photoelectric sensors are in electrical connection with the controller. By means of the automatic conveying and sorting workbench based on the photoelectric sensing judging classification, the sorting efficiency is improved, the unnecessary time cost is reduced, the completion time of electrical projects is accelerated, labor force is greatly liberated, and labor cost is greatly reduced.
Owner:李凯欣

Environment-protecting bridge pile foundation construction method for water conservancy construction

The invention discloses an environment-protecting bridge pile foundation construction method for water conservancy construction. An environment-protecting bridge pile foundation construction device for water conservancy construction comprises steel pipe piles distributed in a matrix mode, wherein parallel connection pipes are welded to the outer walls of the adjacent steel pipe piles and used forstrengthening the overall firmness between the steel pipe piles; and the steel pipe piles and the parallel connection pipes are arranged beside a constructed foundation in a buried mode, the top endsof the steel pipe piles extend out of the foundation, the top ends of the steel pipe piles are provided with adhered nesting frames in a nested mode, and the plurality of nesting frames are welded tothe lower surface of a main beam. The environment-protecting bridge pile foundation construction method for water conservancy construction has the beneficial effects that the top end of a pipe shell is vibrated through a vibration hammer, and muddy water is squeezed to flow into drain holes and is discharged from the side face of the pipe shell through outlets; and in the pouring process, the pipeshell is filled with concrete through communicating holes, the concrete continuously sinks and is compacted, meanwhile, the muddy water at the bottom of a cover sealing plate is isolated from entering the pipe shell through the cover sealing plate, and sludge drainage is carried out through cooperation between the drain holes and the outlets and water flow, so that the workload of sludge pumpingis reduced, the project completion time is shortened, and the problem that a large amount of energy is undoubtedly needed for pumping the muddy water is solved.
Owner:广西富盟工程设计有限公司

Pipe gallery subarea excavation method for guaranteeing half-width passing of existing road

The invention provides a pipe gallery subarea excavation method capable of guaranteeing half-width passing of an existing road, belongs to the technical field of geotechnical engineering design and construction, is applied to underneath passing of existing road nodes of a comprehensive pipe gallery, and can guarantee the half-width road passing requirement during construction of a foundation pit of the pipe gallery. The method comprises the steps of firstly, dividing a construction area into a first excavated area and a later excavated area by a middle partition wall; then excavating the firstexcavated area and constructing a support, and allowing vehicles to pass through the later excavated area at the moment; excavating the first excavated area to the bottom of the pit, constructing a pipe gallery structure, and constructing a plain concrete force transmission belt; then constructing a pipe gallery top plate in the first excavated area, arranging a retaining wall, covering soil behind the wall body, compacting, and carrying out pavement construction; then turning over to the first excavated area for vehicle passing, excavating the later excavated area, and constructing a support; then excavating the later excavated area to the bottom of the pit, constructing a pipe gallery structure, chiseling off a plain concrete force transmission belt and butting with a constructed structure; finally, after the integral strength of the pipe gallery structure is formed, constructing road surface soil covering and being open to traffic for completing construction.
Owner:SHANGHAI CONSTRUCTION GROUP

Energy-saving and environment-friendly bridge pile foundation construction method

The invention discloses an energy-saving and environment-friendly bridge pile foundation construction method and relates to the technical field of bridge construction. The method comprises the steps of 1, environmental cleaning and measurement; 2, positioning of protective piles; 3, prefabricating of a module; 4, soaking of the module under water; 5, recleaning; 6, central pouring, wherein bundledsteel bars are directly put into the installation module, concrete is poured, a central reinforced stabilizing column is formed after the concrete is completely solidified, and then the protective piles are pulled out and removed to finish the construction. According to the energy-saving and environment-friendly bridge pile foundation construction method, a protective pile structure is utilized to cooperate with water flow to conduct sludge drainage, then sludge in a space formed by the protective piles is sucked, the workload of sucking the sludge is reduced, and the completion time of an object is shortened; additionally, an assembly type structure is utilized to replace a protective cylinder to create a cavity environment, and then the central reinforced stabilizing column is utilizedto fit the installation module to form a whole part through bonding, so that instability caused during assembly is reduced, and the safety and stability of a pile foundation are effectively ensured.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

An energy-saving and environment-friendly bridge pile foundation construction method

The invention discloses an energy-saving and environment-friendly bridge pile foundation construction method and relates to the technical field of bridge construction. The method comprises the steps of 1, environmental cleaning and measurement; 2, positioning of protective piles; 3, prefabricating of a module; 4, soaking of the module under water; 5, recleaning; 6, central pouring, wherein bundledsteel bars are directly put into the installation module, concrete is poured, a central reinforced stabilizing column is formed after the concrete is completely solidified, and then the protective piles are pulled out and removed to finish the construction. According to the energy-saving and environment-friendly bridge pile foundation construction method, a protective pile structure is utilized to cooperate with water flow to conduct sludge drainage, then sludge in a space formed by the protective piles is sucked, the workload of sucking the sludge is reduced, and the completion time of an object is shortened; additionally, an assembly type structure is utilized to replace a protective cylinder to create a cavity environment, and then the central reinforced stabilizing column is utilizedto fit the installation module to form a whole part through bonding, so that instability caused during assembly is reduced, and the safety and stability of a pile foundation are effectively ensured.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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