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57results about How to "Good penetration" patented technology

Preparation method of functional type engineered wood

The invention relates to a furniture plate and in particular to a preparation method of a functional type engineered wood. The preparation method comprises the following steps: rotary cutting or slicing to prepare a blank veneer, and shearing the blank veneer into a needed size to obtain an A veneer; soaking the A veneer in a ternary compound solution prepared from a biomass nano cellulose solubilizer, a flame retardant and acid dyes, and carrying out treatments including toughening, flame retarding and dyeing to obtain a B veneer, wherein the ternary compound solution is prepared from the biomass nano cellulose solubilizer, the flame retardant and the acid dyes of a bis-azo compound according to the mass ratio to be 1:(25-40):(100-300) in a compounding manner; and adding a formaldehyde decomposition powder in a modified MUF adhesive, uniformly stirring, and carrying out dispensing, assembling, cold pressing and sawing on the B veneer to obtain a finished product. With the interface controlling design, the biomass nanotechnology and the synergistic compounding technology, the preparation method effectively solves the diversified matching problem of the flame retardant, a staining reagent and the adhesive, and realizes one material with multiple functions of the reconstituted decorative lumber manufacturing technology.
Owner:DEHUA TB NEW DECORATION MATERIAL CO LTD

Method and system for molten slag granulation and sensible heat recovery

The invention discloses a method and a system for molten slag granulation and sensible heat recovery, and belongs to the technical field of industrial waste residue treatment and utilization. The method comprises the following steps of: pressurizing water, and injecting water from a nozzle to form a columnar high-speed water jet flow; impacting multiple strands of columnar molten slag flows on the same row in sequence; breaking the molten slag; in the falling process, cooing the broken molten slag by a water cooling wall; recovering parts of sensible heat; then, falling into the bed layer of a fluidized bed or a travelling grate to be cooled by air entering from outside, completely solidifying the molten slag to finish granulation and obtain hot air; sending hot air obtained on the fluidized bed or the travelling grate into a waste heat boiler to recover heat; and sending solidified molten slag particles output out of the fluidized bed or the travelling grate into a moving bed for further recovering the sensible heat. The molten slag can be broken by the high-speed water flow, the breaking and flying effect of the method is good, a slag wool generation amount is small, slag wool is easy to process because the slag wool contains water, the operation energy consumption and the water consumption of the slag wool are low, and therefore the sensible heat recovery of the molten slag can be favorably carried out.
Owner:TSINGHUA UNIV

Spray boom system and suspension self-propelled type special multifunctional deformable spraying device for greenhouses

The invention belongs to the field of agricultural machinery and discloses a spray boom system and a suspension self-propelled type special multifunctional deformable spraying device for greenhouses. The spray boom system is characterized in that suspension rods (18) above a fixed rod (19) is used for being connected with the fixed rod (19) to enable the fixed rod (19) to be in a horizontal position; a first rotating rod (20) and a second rotating rod (21) are fixed to two ends of the fixed rod (19) through fastening parts and first screw rod and screw sleeve devices (26) respectively; a third rotating rod (24) and a first telescopic rod (22) are connected through a fastening part and a second screw rod and screw sleeve devices (27); a fourth rotating rod (25) and a second telescopic rod (23) are connected through another fastening part and another second screw rod and screw sleeve devices (27). Adjustment according to different morphological structures of target crops can be realized, spraying penetrability and settleability are improved, three-dimensional spaces are effectively used, and occupancy of precious floor space resources is avoided. In addition, simple spray boom structure, convenience in adjustment and high efficiency in pesticide application aiming at different target crops are realized.
Owner:NANJING FORESTRY UNIV

Rain flood resource utilization method and system

The invention discloses a rain flood resource utilization method and system. An urban region is divided into a plurality of independent subregions, wherein the subregions suitable for modification areartificially modified into ecological water storage regions; and sedimentation reservoirs are established at the lower positions of the terrains of the subregions suitable for modification, and the regions not suitable for modification communicate with the adjacent ecological water storage regions until the regions communicate with the ecological water storage regions with the sedimentation reservoirs by arranging flow passages. Each flow passage is formed by establishing an artificial water flow dredging passage on the surface or underground between adjacent regions and draining the artificial water flow dredging passage to a corresponding sedimentation reservoir in a surface runoff or underground confluence concealed pipe confluence mode. The rain flood resource utilization method and system of the invention can be transformed by combining the current situation of each city, and can arrange the regions suitable for modification at present as the modification regions of the ecological water storage regions no matter how the modification degree of the city is; and multiple functions of the ecological water storage regions are matched, effective reconstruction and rainwater resource utilization are carried out, and the urban rainwater resource utilization rate is continuously improved.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

Functional reconstituted lumber

ActiveCN105710939ALow formaldehyde and VOC emissionsGood penetrationOrganic chemistryWood treatment detailsIonChemistry
The invention relates to a furniture panel, particularly to functional reconstituted lumber. A manufacturing technology of the functional reconstituted lumber comprises the steps of preparing blank veneers through rotary cutting or slicing, and shearing the blank veneers into a required size, so as to obtain A veneers; soaking the A veneers in a ternary compound solution composed of a biomass nanocellulose solubilizer, a fire retardant and an acid dye for toughening, inflaming retarding and dyeing treatment, so as to obtain B veneers; adding a formaldehyde decomposition powder into a modified MUF adhesive, uniformly stirring, and dispensing on the B veneers, so as to obtain C veneers; assembling the C veneers, and carrying out cold pressing treatment, so as to obtain D square lumber; and carrying out compound hot pressing on the D square lumber with a transparent abrasion-resistant surface film adhesive paper layer, wherein the transparent abrasion-resistant surface film adhesive paper layer is a film adhesive paper layer formed through soaking transparent abrasion-resistant surface paper in an amino-formaldehyde resin adhesive solution containing tourmaline powder and Al2O3; the particle size of tourmaline negative ion powder is 500 meshes or above; and the count capacity of negative ions in the Giger. Miller zone is 3000 ions/cc or above. According to the functional reconstituted lumber, the effect that the lumber has multiple functions in a reconstituted decorative lumber manufacturing technology is achieved.
Owner:DEHUA TB NEW DECORATION MATERIAL CO LTD

Method for welding balancing air leakage pipe of medium-high pressure outer cylinder in turbine

InactiveCN102962557AGood penetrationFine seam corrugationArc welding apparatusLine widthEngineering
A method for welding a balancing air leakage pipe of a medium-high pressure outer cylinder in a turbine relates to a method for welding and is used for solving the technical problems of more welding defects, coarse welding lines, uneven welding line widths and lowered welding quality due to the adoption of a method for manually arc-welding the balancing air leakage pipe of the medium-high pressure outer cylinder in the turbine. The method is ad follows: a beveled edge of the balancing air leakage pipe of the medium-high pressure outer cylinder in the turbine is preheated, is welded through adopting argon arc welding, is thermally insulated for 2 hours at 300 DEG C to 400 DEG C after the welding, is heated, is thermally insulated and is cooled so as to complete the welding of the balancing air leakage pipe of the medium-high pressure outer cylinder in the turbine. After the method is adopted, the defects of weld beading, lack of penetration and pits which are easily generated through adopting shielded metal arc welding do not exist, and the first pass yield of postwelding radiographic inspection is above 90%; and moreover, after the method is adopted, the welding line formation is good, i.e. weld ripples are fine, the welding line widths are consistent with each other, no splashing is generated, and the postwelding appearance quality is good.
Owner:HARBIN TURBINE

Ore prospecting method based on epidote microelements

The invention discloses a prospecting method based on epidote microelements. The prospecting method specifically comprises the following steps that a metallogenic section is delineated; sample collection and analysis: collecting a bedrock sample containing epidote from the metallogenic section according to a certain sampling unit; analyzing and testing trace elements; data processing and interpretation: processing the obtained initial record data by using LADRlib software; and discriminating the prospecting action type. The method has the advantages that the LA-ICP-MS in-situ analysis technology is utilized, the description of the epidote altered minerals in the magma-hydrothermal mineralization system is improved from the macroscopic qualitative description to the microcosmic quantitative interpretation of the change of the trace elements, and the change of the trace elements is associated with the response of the scale prospecting type of an ore concentration area; the method overcomes the difficulties of low efficiency, long period and high cost of a traditional prospecting type discrimination method, can provide a theoretical basis for the optimization and selection of a prospecting exploration method for the ore deposit scale, and reduces the exploration risk.
Owner:西藏巨龙铜业有限公司 +1
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