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160 results about "Soap solution" patented technology

Wheel-sticking-free emulsified asphalt, preparing method, construction technology and application of wheel-sticking-free emulsified asphalt

The invention discloses a wheel-sticking-free emulsified asphalt, a preparing method, a construction technology and application of the wheel-sticking-free emulsified asphalt. The wheel-sticking-free emulsified asphalt is prepared from, by mass, 10-50% of matrix asphalt, 10-50% of hard asphalt, 0-5% of a polymer modifier, 0.3-3% of an asphalt emulsifier, 0-1% of a thickening agent and the balance an acid-base regulating agent and water to reach 100%. The preparing method comprises the steps that firstly, the polymer modifier, the asphalt emulsifier and the thickening agent are added into water, the pH value is regulated, and a soap solution is prepared; then, the matrix asphalt is heated to 150 DEG C, the hard asphalt is heated to 160 DEG C, the matrix asphalt and the hard asphalt are stirred evenly in a stirring state, the obtained mixed asphalt and the soap solution are subjected to high-speed shearing with a colloid mill together, and the emulsified asphalt is obtained, wherein the emulsifying process is simple and practical. The emulsified asphalt has the effect of being free of wheel sticking when serving as road tack coat oil, tack coats are prevented from being damaged by construction equipment or transportation vehicles, the construction efficiency is improved, and the effect of preventing environment pollution is also achieved.
Owner:厦门华特公路沥青技术有限公司

High-permeability emulsion for cold regeneration of waste and old asphalt mixture and preparation method thereof

The invention relates to a high-permeability emulsion for cold regeneration of a waste and old asphalt mixture and a preparation method thereof. the emulsion is prepared from the following compositions by mass: 50%-65% of road petroleum asphalt, 1.0%-4.5% of an asphalt emulsifier, 0%-10% of a modifier, 0.1%-4.0% of a penetrating agent, 0.05%-2.0% of a stabilizing agent, 0-0.5% of an auxiliary agent adjusting pH, and the balance water. The preparation method comprises: together dissolving the emulsifier, the modifier, the dispersing penetrating agent, the stabilizing agent and the auxiliary agent adjusting the pH value in water, so as to prepare a soap solution, heating to 40-70 DEG C, adjusting pH to be 1.5-3.0, heating the road petroleum asphalt to 120 DEG C-150 DEG C, and performing emulsification on the soap solution and the asphalt, so as to obtain the high-permeability emulsion for cold regeneration of the waste and old asphalt mixture. After being blended with the waste and old asphalt mixed material, the high-permeability emulsion for cold regeneration of the waste and old asphalt mixture is capable of penetrating and activating aged asphalt in the waste and old asphalt mixed material, thereby improving the effective asphalt content in the cold regeneration mixed material, and further improving the water-damage resistance, endurability and other pavement performances of the cold regeneration mixed material and realizing efficient cold regeneration of the waste and old asphalt mixed material.
Owner:JIANGSU SOBUTE NEW MATERIALS

Preparation method and application of wheel sticking prevention emulsified asphalt for sticky layers

The invention discloses a preparation method and an application of wheel sticking prevention emulsified asphalt for sticky layers. The preparation method comprises the following steps: 1, adding 0-9 parts of a polymeric elastomer material, 0-5 parts of polyethylene wax or ethylene-vinyl acetate wax, 0-5 parts of a viscosity reducer and 0-5 parts of modified asphalt stabilizer to 450-600 parts of asphalt to prepare modified asphalt; 2, adding 1-10 parts of an emulsifier and 0.1-3 parts of an emulsified asphalt stabilizer to 300-500 parts of water, and mixing above materials to prepare a soap solution; and 3, grinding and emulsifying the soap solution and the modified asphalt according to a mass ratio of 1:1 through a modified asphalt colloid mill to prepare the target product, wherein the temperature of the soap solution is 40-60 DEG C, and the emulsification temperature of the modified asphalt is 160-180 DEG C. A high proportion of the polybutadiene elastomer is adopted as the modifier for adjusting the low temperature performances of asphalt, so the softening point of evaporation residues of the prepared wheel sticking prevention emulsified asphalt reaches up to 90 DEG C or above, the penetration degree is greater than 30 cm, and the 15 DEG C ductility is greater than 100 cm.
Owner:JIANGSU SINOROAD TRANSPORTATION SCI & TECH CO LTD

Construction method for connecting natural gas pipelines with gas

The invention relates to a construction method for connecting natural gas pipelines with gas, which comprises the following steps: excavating an operating spot groove at the selected spot; after excavating the groove to the given requirement, prefabricating stub pipes and junction valves of branch pipes, closing the valves on both sides of the operating spot, putting scattered pipes to reduce pressure, and observing the pressure in the pipes; after the pressure drops to the specified standard, drawing the opening position on the main pipe, carrying out oxweld cutting, removing the pipe wall, welding the prefabricated pipe sections, and replacing with new pipelines; after replacing with the new pipelines, detecting leakage with soap solution, carrying out anti-corrosion treatment at the joints, and restoring gas supply; and finally, laying a valve well, backfilling the pipe groove, and restoring the road surface, thereby completing the whole pipe connecting construction with gas. By using the invention, reliability, economical efficiency, safety and the like of the whole construction process are improved, and the whole construction process is simple in operation, less in preparation work, light in labor intensity and low in labor consumption. Each construction spot only needs about 5 persons, the construction only takes a half day and only needs common equipment, such as welders, electric drills, mobile phones and the like.
Owner:中国化学工程第四建设有限公司

Two-dimensional flow display device

The invention provides a two-dimensional flow display device, relating to flow field display equipment in the fluid mechanics. The two-dimensional flow display device is provided with an integrated framework, a hydraulic loop and a flow display control mechanism, wherein the hydraulic loop is arranged on the integrated framework; the integrated framework is provided with a lower bottom plate, an upper end plate, a left side plate, a right side plate and an experiment table; the hydraulic loop is provided with a lower water tank, a hydraulic pump, a one-way pump, a water transmission pipe, an upper water tank, a throttle valve, a water outlet pipe and an overflow pipe; and the flow display control mechanism is provided with fluid guide wires, pull wires and weights. The two-dimensional flow display device is simple and convenient to manufacture, lower in cost, small in occupied space and convenient to move; a soap solution film flowing perpendicularly and circularly is adopted as a display platform; the width of the soap solution film is adjustable; the flow rate and the speed of the water current at a water outlet are adjustable as well; and therefore, the motion state of the fluid can be clearly exhibited, the partial phenomenon of the fluid can be observed, and the short-distance observance and knowledge about the evolution of a flow phenomenon can be formed.
Owner:XIAMEN UNIV

Method for testing tightness of welding lines

The invention provides a method for testing tightness of welding lines, comprising the steps as follows: selecting a transparent vacuum box which is communicated with a vacuumizer through a pipeline and is provided with a vacuumatic pressure gauge capable of displaying the vacuum degree in the vacuum box; selecting a welding line required to be tested, cleaning the areas respectively about 20mm away from the welding line required to be tested at the right side and at the left side, coating soap solution on the areas, and covering the vacuum box on the welding line coated with the soap solution; compressing the vacuum box, opening the vacuumizer valve, observing whether bubbles belch out of the surface of the welding line or not when the vacuum degree displayed on the vacuumatic pressure gauge is in the range of 0.015-0.02MPa; if so, determining the welding line to be unqualified and rechecking after repair; and if not, determining the welding line to be qualified. The invention has the advantages of reducing workload of tightness test for docks, effectively shortening the production cycle of slipways, optimizing tight working environment, enabling high altitude sealing working to be operated on flat ground, and leading the operation to be more safe; the test method is simple and reliable, namely the test is accurate, the operation is convenient, and the tightness working efficiency is improved effectively.
Owner:浙江东海岸船业有限公司

Initial refining process of macular cocoons

The invention discloses an initial refining process of macular cocoons, which is characterized in that the initial refining process is performed according to the following steps: soaking the macular cocoons in water solution at the temperature of 100 DEG C, using soda ash to regulate pH value to 10, soaking for 12 hours, soaking the macular cocoons after removing pupae in the water solution at the temperature of 60 DEG C, using the soda ash to regulate the pH value to 7.5, soaking for 10-12 hours, using a scutching machine to scutch the wet macular cocoons after low-temperature soaking, placing cocoon filaments after dehydration into the water solution at the temperature of 60-70 DEG C, adding hydrogen peroxide for bleaching, placing the cocoon filaments after bleaching into a refining cylinder, adding water, heating with steam to 60-70 DEG C, adding 105 textile soap solution which accounts for 2% of the weight of raw materials for refining for 1 hour, flushing the well refined cocoon filaments by using an automatic flushing machine, adding water for soaking the cocoon filaments after dehydration, adding a spun silk finishing agent which accounts for 4% of the weight of the raw materials, soaking for half an hour, drying the cocoon filaments after dehydration with the steam, selecting and removing impurities in the cocoon filaments after drying, and classifying.
Owner:NANCHONG YINHAI SILK

Heating flexible transparent thin film printed with silver paste and carbon paste and production method thereof

InactiveCN103209503AEvenly distributed by designNo corrosionHeating element materialsSilver pasteSoap solution
The invention relates to the technical field of heating thin films and discloses a heating flexible transparent thin film printed with silver paste and carbon paste and a production method thereof. The thermostatic heating flexible transparent thin film comprises a TIE (titanium ethylene) transparent plastic thin film, the conductive silver paste and the carbon paste, the TIE transparent plastic thin film is provided with a conductive heating thin film layer line which is printed with the conductive silver paste and the carbon paste, and the conductive heating thin film layer line is zigzag. The heating flexible transparent thin film printed with the silver paste and the carbon paste is applicable to high-technology applications in the agricultural and the medical fields. The line design of the conductive heating thin film layer is even; after the conductive heating thin film layer is powered for heating, the heat density is large, and the heat is even; the base material thin film is transparent, flexible and foldable; and the thickness can be from 0.02 to 0.05. The printed conductive heating thin film layer cannot drop even being soaked for 24 hours and cannot be eroded in an alkaline soap solution; and no broken line exists after carrying out a plurality of rub tests are carried out, so that the heating flexible transparent thin film printed with the silver paste and the carbon paste has the advantages of low pressure, low temperature, low manufacture cost, usage safety and convenience and , reliable quality and the like.
Owner:LUOYANG CLOUDS NET TECH

Preparation method for preparing sodium copper chlorophyllin from gingko leaves

The invention relates to a preparation method for preparing sodium copper chlorophyllin from gingko leaves. The preparation method comprises the following main steps: performing extraction and concentration; performing saponification and copper substitution; extracting and removing impurities from the No.6 solvent oil under an alkaline soap solution; removing ginkgolic acid; and forming a salt. According to the preparation method, before, during or after leaching gingko flavones by using a polar solvent, a non-polar solvent is used as a leaching solvent to perform leaching on chlorophyll and other oil-soluble substances; a mixed solvent is adopted as a dissolvent to perform saponification, so that the existence and generation of a deposit in the soap solution are effectively avoided, and then the reaction can be quickly and completely performed; and sodium copper chlorophyllin is prepared by a method comprising the processes of alkaline saponification and copper substitution which are performed simultaneously, so that esterification and deterioration of chlorophyll copper acid during acidic copper substitution are avoided. According to the product obtained by the preparation method provided by the invention, the E1%1cm(405nm+/-nm) is more than 900, the absorbance ratio is equal to 3.2-3.6, the complex copper content is more than 6%, the nitrogen content is more than 5.5%, and the ginkgolic acid content is less than 50ppm.
Owner:ZHEJIANG DELEKANG FOOD CO LTD

Rubber assembly material for bellows drainpipe of roller washing machine and manufacturing process thereof

InactiveCN101671462AGood soap resistanceGood resistance to copper ionsOther washing machinesTextiles and paperSoap solutionPulp and paper industry
The invention relates to a rubber assembly material for a bellows drainpipe of a roller washing machine and a manufacturing process thereof, and the rubber assembly comprises the main raw materials ofethylene propylene diene monomer (EPDM), pot clay, NKL-9, paraffin hydrocarbon oil and the like. The bellows drainpipe product treated by the process has fine soap solution resistant performance, copper ion resistant performance, vapor resistant performance and good 2500V-resistant insulation resistance performance, thus ensuring nice tightness and safety durability performance. The invention improves soap solution resistance and vapor resistance for the products, solves the technical problems such as copper ion discoloration resistance, punctured 2500V-resistant insulation resistance products and the like. The products conform to environmental directive requirement of EU, provide a safe and reliable clothes-washing environment for consumers, have fine vibration reducing performance, andprovides powerful guarantee for the roller washing machine to develop toward mute direction. The successful development of the products replaces the imported medium-high end roller washing machine bellows drainpipes, realizes products localization and improves the competitive strength for the home-made roller washing machines in the market.
Owner:ANHUI ZHONGDING SEALING PARTS

Beneficiation method for spodumene ore

ActiveCN109127117AThe flotation process is stableGood beneficiation indexWet separationDecompositionEngineering
The invention discloses a beneficiation method for spodumene ore. The spodumene ore is crushed and ground, ore pulp obtained after ore grinding is sequentially subjected to low-intensity magnetic separation and high-intensity magnetic separation, and weak-magnetism concentrates and strong-magnetism concentrates are obtained; discharged strong-magnetism tailings are fed to the flotation operation after being subjected to concentration and desliming, and the flotation operation process includes primary roughing, secondary scavenging and secondary fine selecting; calcium fatty acid prepared through the double decomposition reaction of a sodium fatty acid soap solution and a calcium chloride water solution is adopted as a collecting agent, the Li2O grade in the finally-obtained lithium concentrate reaches up to 5.7%-6.2%, and the recycling rate is 78%-88%. According to the beneficiation method, the beneficiation technology process is simple, stability and reliability are achieved, applicability is high, and the laboratory index highly conforms to the industry application index; and the defect that in the existing spodumene ore beneficiation technology, the difference between the industry application index and the laboratory index is large is overcome; and the adopted collecting agent has excellent properties that selectivity is good, the collecting capability is high, and environment friendliness is achieved.
Owner:SINOSTEEL MAANSHAN INST OF MINING RES
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