2707results about How to "Short processing cycle" patented technology

The present invention discloses a hot-pressing carbonization strengthening method of timbers, which includes drying, planing, hot-pressing carbonization, cooling and other steps. The present invention applies a hot press as a timber-carbonizing device, and the timbers under the state of compression are processed by hot-pressing carbonization. The present invention is characterized in that the investment on carbonization devices is less, the carbonization process is simple, the production is safe, the production efficiency is high, the consumption of heat energy is little, and the production cost is low; moreover, the thickness of the carbonized timbers is not limited, the defects of the timbers, such as deformation, cracking, stiker stain, color difference, knot fall-off, etc., do not occur in the process of production, so the quality of products is high; not only is the size stability and noncorrodibility of the carbonized timbers improved, but also the density and mechanical property of the timbers is increased.

The invention provides a processing method of a thin and long aluminium alloy thin-walled cylinder and belongs to a mechanical processing method of a slewing structure, and the processing method is used for carrying out friction stir welding on a shell blank so as to process and mold the shell blank into a bent generatrix thin-walled cylinder shell. The method provided by the invention can be used for solving the problems of poor shell generatrix displacement, poor shell roundness, uneven wall thickness, clearance at welding seams, unqualified performance detection and incapability of ensuring use requirements in the existing processing method. The method comprises a part manufacturing step, a matching step, a caustic washing step, a trial assembly step, a positioned welding step, a friction stir welding step, a welding seam polishing step, a stress-relief annealing step, an X-ray detection step, a shape processing step, a ultrasonic flaw detection step and an end face hole processingstep. The method provided by the invention can be used for solving the problems of poor shell roundness, uneven wall thickness, clearances at the welding seams and unqualified performance detection in the existing processing method, improving the shell processing precision and reliably ensuring the product quality.

The present invention is ultrasonic process of preparing theasaponin and belongs to the field of agricultural side product processing technology. The technological scheme is that tea seed cake residue after extracting oil is processed through crushing, mixing with organic solvent, ultrasonic leaching, separating, recovering solvent, ultrafiltering to purify and to obtain theasaponin concentrate, decolorizing and drying to obtain theasaponin product. The present invention has the beneficial effects of physical extraction process caused high theasaponin extracting rate, high product purity and quality, simple technological process with low power consumption and low production cost, less pollution, etc.

The invention discloses a technology of making automobile engine cover with carbon fiber reinforcement resin-based composite material, sequentially comprising: cleaning and preparing dies, coating sealant, gluing seal tape, coating mold lubricant, cutting carbon fabric and foam core material, paving and covering carbon fabric and foam core material, paving and covering auxiliary materials, sealing the vacuum section sealed by seal tape, absorbing and injecting resin, and solidifying, demolding and trimming. The making technology of the invention requires relatively short processing period and low labor cost, and is beneficial to both environmental protection and human health. Compared with conventional metal automobile engine covers, the automobile engine cover made of carbon fiber reinforcement resin-based composite material, with equal rigidity, is light in weight, stable in quality, and satisfactory in surface effects.

The invention relates to a method for treating edible fungus residue to produce an organic fertilizer. The method is realized through a series of steps of pretreating raw materials, preparing an original fungus preparation and a zymogen preparation, treating the fungus residue to produce the organic fertilizer and the like. The method has small investment, simple operation, easy actualization, small energy consumption and low treatment cost, and is easy to commonly accept; the treatment period is far shorter than that of natural decomposition; under the condition of natural climate in a southwestern region, the treatment period is 35 to 40 days in summe and 50 to 55 days in winter; simultaneously, pig manure produced in an intensive hogpen is combined and treated and has a fermentation temperature as high as 60 to 65 DEG C; and the organic fertilizer has thorough deodorization and sterilization as well as good treatment effect and manurial effect.

A selective laser sintering quick manufacturing of the mold comprises CAD three dimension model design, storing STL files after treatment by the section software, sending the STL data to SLS quick forming machine. Spreading a composite powder of polyamide and copper on the power bed of selective laser sintering machine, with copper powder grain side 200--400, their weight ratio ranging 2:1-7:1, scanning and sintering in the selected zone of the laser harness, laser speckle 10-250 mum, scanning distance 0.04-0.1mm, scanning speed 1000- 3000mm/s, single layer thickness 70-150 mum, repeating till the formation of the complete mold inlaid, coating the surface with epoxide resin or acrylic acid series solidification system, polishing the surface thereafter. It is simple in process, short in processing period, low in cost, suitable for small volume plastic parts pilot run, testing and production.

The invention discloses modified nanoscale zero-valent iron and a preparing method thereof. The modified nanoscale zero-valent iron comprises nanoscale zero-valent iron and lauryl sodium sulfate. The lauryl sodium sulfate is wrapped on the surface of the nanoscale zero-valent iron, and the mass ratio of the lauryl sodium sulfate and the nanoscale zero-valent iron is 0.01-0.07. The preparing method of the modified nanoscale zero-valent iron comprises the following steps that nanoscale zero-valent iron particles are dispersed in a lauryl sodium sulfate solution through ultrasound, and the modified nanoscale zero-valent iron is obtained. According to the modified nanoscale zero-valent iron and the preparing method thereof, the lauryl sodium sulfate is used for modifying the nanoscale zero-valent iron, through a steric-hinerance effect, nano materials are stabilized, and the advantages of being good in dispersing performance, good in stability, high in reactivity and the like are achieved.

The invention discloses a virtual-reality modeling method of an ocean water body. The method comprises the following steps: constructing a main body of a model by utilizing remote sensing (RS) data ina convenient and high-efficiency data-processing process and a scientific storage mode based on an OpenGL technology; adopting a contour line of an ocean surface experimental area to construct a three-dimensional modeling method of a three-dimensional ocean water body; presenting ocean surface waves by texture mapping; utilizing the projection of a parallel contour line to construct a cylindricalbody of the water body to present physical quantity change conditions of the RS data, such as the water depth, the water quality, and the like; and representing the ocean water body and undersea topography in a transparent body mode. The new method realizes the modeling of the three-dimensional ocean water body by utilizing the OpenGL technology as a modeling tool under the technical support of the RS and the GIS (Geographic Information System). The real-time modeling of the three-dimensional ocean water body is realized by effectively utilizing the long-term collected RS data through convenient and feasible data processing and the model-drawing method. The invention has extremely wide application prospects in the ocean environmental monitoring field.

A formation method of a lithium ion battery comprises the following steps of placing an aged battery in a formation device for formation in a high-temperature pressurized environment, charging by using 0.1-0.5CmA current during charging until to a cut-off voltage of 3.7V, and then charging by using 0.5-2.0CmA current until to a cut-off voltage of 4.0V; increasing the temperature and keeping the pressure unchanged, and carrying out heat preservation and pressure maintaining on the battery; reducing the temperature and the pressure, and cooling the battery; and carrying out vacuum pumping and secondary sealing on the battery subjected to cooling finish, and completing formation. According to the formation method, a battery core is placed in a high temperature and certain pressure condition for large-current charging formation, the processing time is shortened, and the production efficiency is improved; moreover, the contact of an operator to the lithium battery core is reduced, and the cost problems caused by poor appearance, damage and the like are reduced; and the consistencies on the thickness, the capacity and pole piece interface states of the battery are higher, and the cycle ability is improved.

The invention discloses an adjustable angle corner section material system for a curtain wall, which relates to a multi-corner section material system for a curtain wall, in particular to a corner section material system for a glass curtain wall. The section material system comprises a corner column, a corner cross beam, a connecting corner connector, an insulation spacer, a cross beam cover plate, a corner auxiliary frame, a common auxiliary frame, a curtain wall panel, a corner press piece and a side sealing gland. The corner column is used for installing the curtain wall; the connecting corner connector is arranged on one end part of the corner cross beam; the insulation spacer is arranged on the corner column together with the corner cross beam and the connecting corner connector through connecting bolts; the cross beam cover plate is arranged on the corner cross beam; the corner auxiliary frame and the common auxiliary frame adhere to a processed curtain wall panel through silicone structural adhesive; after the silicone structural adhesive is solidified, the common auxiliary frame on a horizontal edge of the curtain wall panel is hung onto the corner cross beam, and the corner auxiliary frame on a vertical edge of the curtain wall panel is arranged on the corner column through the corner press piece and a connecting screw; and after all parts are in position, the side sealing gland is installed to form the adjustable angle corner section material system.

The invention relates to the technical field of agricultural machinery, in particular to an automatic whole-row grafting device for grafted seedlings. The device comprises a rack (1), an electric control cabinet (3), a scion conveying mechanism I (5), a scion conveying mechanism II (8), a grafted seedling conveying mechanism (6), a scion clamping mechanism (87), a rootstock clamping mechanism (88), a scion seedling cutting mechanism (17), a rootstock seedling cutting mechanism (11), a scion seedling gathering mechanism (2), a rootstock seedling gathering mechanism (12) and an automatic whole-row grafting clamp conveying mechanism (89). According to the automatic whole-row grafting device for the grafted seedlings, plug seedling supply, whole-row seedling grabbing, seedling cutting, fixing and grafting of plug rootstock seedlings and plug scion seedlings are realized, and the whole operation process is automatically completed by a machine; the plug seedlings are rapidly grafted, the labor efficiency of grafting operation is improved, and the labor force is saved.

Disclosed is an analytical method for typical running routes in urban traffic, comprising steps as follows: (1) setting a road net topology structure as G = (V, E), vehicle information of every road junction at a corresponding certain time as R = (Ri|ií—(1,n)), judgment threshold of hotspot junction as k and judgment threshold of typical running route as k', (2) generating first sorting typical running routes between hotspots, which comprises obtaining a hotspot road junction aggregate by filtering road junction volume, in regard to vií—V' and Hií—H, generating a running route aggregate W' between the hotspots and obtaining a first sorting typical running route W'' by calculating the occupancy of the route according to the generated route W', (3)initially selecting the clustering of the first sorting running route and the generating of the traffic junction merger routes in every clustering aggregate according to the method to obtain the typical running route aggregate W with different particle sizes. The invention is short in processing period, low in cost and high in efficiency, and can reflect the change of the traffic conditions by calculating the typical running route.

The present invention relates to a ferromanganese modified straw active carbon adsorbent for As (III) adsorption, and applications thereof. The technical scheme comprises: preparing straw into straw active carbon, adding to nitric acid, carrying out an acidification treatment to obtain acidified straw active carbon, adding the acidified straw active carbon to a metal iron salt and HCl mixing solution, carrying out a reaction at a room temperature for 22-24 h, heating to a temperature of 95-105 DEG C, carrying out a reaction for 6-7 h to obtain iron modified active carbon, mixing a metal manganese salt and the iron modified active carbon, carrying out a reaction at a temperature of 75-85 DEG C, adding a KMnO4 and KOH mixing aqueous solution, carrying out a reflux reaction at a temperature of 75-85 DEG C, and washing he product so as to obtain the target product. According to the present invention, with the ferromanganese modified straw active carbon adsorbent, the As (III) can be selectively recovered from the solution containing the As (III) ions and the impurity metal ions; and the ferromanganese modified straw active carbon adsorbent has advantages of low cost, high selectivity, high adsorption capacity, and the like.