48results about How to "Meet export requirements" patented technology

The invention discloses a manufacturing method of a flexible composite material. The manufacturing method comprises the steps of unwinding a base material film, respectively spraying a polyurethane adhesive solution on the front and back of the unwound base material film to form polyurethane adhesive layers, baking a solvent and then respectively carrying out hot pressing, rolling and winding on the adhesive layers and fiber papers, carrying out aftertreatment and slitting to obtain a finished product. By adopting the manufacturing method disclosed by the invention, the problem of apparent defects caused by the traditional manufacturing technique is solved, performance indexes of a produced product are up to the standard while appearance of the produced product is good, no scratch is produced, and export requirements are met.

The present invention relates to coal chemical technology, and is especially process of producing beta-methylnaphthalene. The materials including industrial methylnaphthalene and azeotropic agent in the volume ratio of 1 to 0.4-0.6 are rectified through heating in an intermittent rectifying still, and the product is recovered in a rectifying tower with theoretical plate number of 50-80 to obtain fraction successively. The beta-methylnaphthalene fraction and the alpha-methylnaphthalene fraction are separated in separator to eliminate azeotropic agent and rectified to obtain beta-methylnaphthalene product and alpha-methylnaphthalene product with content over 95 %. The present invention has one increased oil-oil separator and the product has indole content lower than 0.5 %.

The invention provides a 22-meter RZ type folding arm support concrete pump truck. The concrete pump truck comprises an arm support system, a power system, a pumping system, an electrical system and ahydraulic system, wherein the hydraulic system is provided with a hydraulic element for detecting actual workload; a main oil pump is a variable oblique tray type axial plunger pump; and the hydraulic system uses an open circuit. The concrete pump truck is characterized in that: the three-section folding arm support adopts the pivotal RZ type folding; and a front support leg is a JJ type telescopic support leg, and a back support leg is a fixing type vertical oil cylinder; the main oil cylinder adopts a guide sleeve piston rod sealing structure; the arm support system adopts the electronic proportional multi-way valve and the wireless remote control system control; the arm support oil cylinder has a directional interlocking function; and all elements can work independently without interfering with one another. The concrete pump truck has the advantages of pretty good mobility, the integration of running and pumping, high utilization ratio of equipment, small occupied space, low cost,and high pumping height; moreover, when the concrete pump truck is used for the construction of multi storied buildings, pipes do not need to be laid, so that the concrete pump truck can be quickly and conveniently used.

The invention discloses a visbreaking method, comprising the steps of: under the condition of reduced pressure distillation, distilling the visbreaking raw materials under the reduced pressure to acquire a reduced distillate oil and vacuum residue having cutting temperature not less than 540 DEG C; visbreaking the reduced distillate oil under the condition of the visbreaking, mixing the product of the reduced distillate oil experiencing the visbreaking with the vacuum residue to acquire a mixed oil; visbreaking the mixed oil under the condition of the visbreaking; and causing the temperature of the reduced distillate oil for the visbreaking to be higher than that of the mixed oil for the visbreaking. By applying the visbreaking method provided by the invention, visbreaking depth can be enhanced, namely, visbreaking conversion rate is enhanced; the visbreaking residue is reduced in viscosity and excellent in stability.

A culture medium for the Daqiugai mushroom is prepared from the capsules of coffee bean and the saw dust or shavings of broad-leaf tree through mixing, adding water and stirring.

The invention relates to a method for preparing cefotaxime, which comprises the following steps: dissolving 7-ACA and AE- active ester in methylene dichloride, adding triethylamine into the solution with stirring and controlling the reaction temperature to be 20 to 35 DEG C and the reaction time to be 30 to 50 minutes; after the reaction is finished, extracting condensed reaction solution with water, adjusting the pH of water extract to 5.0 to 7.0 with weak acid, filtering the water extract, and subjecting the filtered water extract to adsorption bleaching by alumina; and after bleaching, adding ethanol serving as a crystallization dispersant into the water extract, dripping hydrochloric acid to precipitate crystals, growing crystals, centrifuging the solution, washing the crystals with ethanol, and drying the crystals to obtain the cefotaxime.

The invention discloses components and parts of an assembling type building structure and a building comprising the same and belongs to the field of buildings. The components and parts comprise a plurality of roof-board structure frames and a plurality of wall-surface supporting frames, wherein the mortise and tenon connection structures are used for connection of the roof-board structure frames and connection of the wall-surface supporting frames; sleeve-inserting type connecting structures are used for connecting the roof-board structure frames and the wall-surface supporting frames. The components and parts are a platy green assembling type building system convenient in installation, meet the building performance, are suitable for export and aid for foreign countries, and adapt to the construction level of undeveloped regions; wall bodies and roof boards can be repeatedly utilized and can be produced in a batched and pipelining manner, and an integrated design, modular production and assembling construction are realized, so that the construction period can be shortened, the labor efficiency can be improved, and the components and parts integrated with the building structures canbe effectively conveyed to overseas countries for installation by a manner of marine transportation under the condition of increasing the boxing rate as high as possible so as to meet the export requirement.

The invention discloses an isocyanate-based fur tanning agent and a preparation method thereof. The process is to use diisocyanate molecules to cap the fatty diol or polyether diol at both ends under catalytic conditions and in a mixed solution to obtain a prepolymer with high selectivity and high conversion rate; The isocyanate groups at both ends of the prepolymer are protected to improve the water solubility of the compound and finally obtain the tanning agent. The tanning agent has a controllable molecular weight and is suitable for tanning fur with different fiber structures. During the tanning process, it can effectively penetrate into the skin collagen, and the bisulfite decomposes under the condition of rising temperature and alkali, and the tanning agent molecule re-exposes the isocyanate group to react with the amino group on the collagen molecule, and cross-links the skin collagen to To achieve the purpose of tanning. The whole process only releases neutral salts, does not produce heavy metal ions and free aldehyde groups, simplifies the purification procedure, is environmentally friendly, and low in price, and is very suitable for tanning fur, especially light-colored rabbit skin.

The invention discloses an organic Angelica sinensis production method and an organic Angelica sinensis product thereof. The method comprises the steps: (A) soil preparation and box sorting; (B) seed treatment; (C) sowing; (D) culture of seedling; (E) lifting of seedlings; (F) storage; (G) breakage and ridging; (H) transplanting; (I) pest control; (J) harvesting; (K) stacking and sweating; (L) washing and drying; (M) refrigeration deinsectization; (N) avoiding storage; and (O) packaging.

The invention relates to synthetic leather for children products and a preparation method thereof. The synthetic leather comprises a base cloth layer, a PU bottom layer and a PU surface layer which are arranged in sequence, wherein the base cloth layer and the PU bottom layer are attached through a TPU bonding layer; the TPU bonding layer is prepared from TPU particles and an auxiliary agent; theauxiliary agent accounts for 0.05-0.5% of the total weight of the raw materials of the TPU bonding layer; the TPU particles are WHT-8170. According to the synthetic leather for the children products,the specific TPU particles are selected and matched with the auxiliary agent, the PU bottom layer and the base cloth layer are attached, and the formula of the PU bottom layer and the surface layer isoptimized, so that the prepared synthetic leather meets 24 requirements of PAHS environmental protection, the latest environmental protection requirement and the export requirement, can be used for exporting the children products, and reduces the production cost of the children products; and the synthetic leather also has the properties of high wear resistance, hydrolysis resistance and the like.

The invention discloses a fur tanning agent based on isocyanate and a preparation method of the fur tanning agent. According to the process, diisocyanate molecules are adopted to perform end-capping on two ends of fat-diol or polyether glycols in a mixed solution under the condition of catalysis, and prepolymer with high selectivity and high conversion rate is obtained; then, hydrosulphite is adopted to protect isocyanate groups on two ends of the prepolymer, the water solubility of the compound is increased, and the tanning agent is obtained finally. The molecular weight of the tanning agent can be controlled, thereby being applicable to tanning of furs with different fibrous textures; during the tanning process, the fur tanning agent can effectively permeate to the position among the fur collagen; hydrosulphite decomposes under the condition of raised temperature and raised alkali, the tanning agent molecule expose the isocyanate group to cause the isocyanate group to react with the amino group on the collagen molecule, crosslinking of the fur collagen is realized, and the purpose of tanning is achieved; only neutral salt is released during the entire process, heavy metal ions or free aldehyde groups are not generated, the process is simplified, the fur tanning agent is environment friendly, the price is low, the fur tanning agent is very suitable for fur, especially tanning of rabbit fur with light color.

The invention relates to a processing technique used in petroleum tool joint hardness number on the high side. The tool joint with no phosphorizatin layer is copperized, takes tempering treatment, controls the tempering temperature at 630-680 degree centigrade, keeps for 100-140 min water-cooling to normal temperature. To the tool joint with phosphorization layer is taking acid washing to remove phosphorization then compperizing and taking tempering treatment. The invention improves the product yield and has great benefits.

The invention discloses acorn starch and a preparation method thereof. The method comprises the following steps that 1, acorn kernels are soaked in water, primary circulating purification is conducted, suspension I is obtained, the liquid phase in the suspension I is liquid matter containing water-soluble starch, and the solid phase is the acorn kernels containing the water-insoluble starch; 2, primary smashing is conducted on the suspension I, secondary circulating purification is conducted on smashing products, and suspension II is obtained; 3, secondary smashing is conducted on the suspension II, third circulating purification is conducted on the smashing products, and suspension III is obtained, wherein circulating purification repeats the following steps that water-soluble starch and impurities in the acorn kernels in the suspension are extracted into the liquid phase, and adsorption and purification are conducted on the liquid phase; 4, the suspension III is centrifuged, sediment is taken, drying is conducted, and the acorn starch is obtained. According to the acorn starch and the preparation method thereof, water consumption is less, engineering is simple, and industrialization is easy; tannin is adsorbed through a composite resin method, enrichment and purification of the tannin are completed in one step, and a comprehensive utilization technology is provided for acorn kernel development.

The invention discloses a cutting fluid for precisely manufacturing automobile aluminum hubs and a preparation method of the cutting fluid. The cutting fluid is prepared from the following componentsin percentage by mass: 5%-15% of an antirust agent A, 3%-8% of an antirust agent B, 5%-15% of a lubricant, 2%-5% of a special functional agent, 2%-5% of a balancing agent, 2%-5% of a microbial controlagent, 5%-15% of a surfactant, 30%-50% of mineral oil and the balance deionized water; wherein the antirust agent A is prepared from at least one of diglycolamine, monoethanolamine and 2-amino-2-methyl-1-propanol; the antirust agent B comprises at least one of boric acid, decanedioic acid, undecanedioic acid, tricarboxylic acid, sodium benzoate and a polycarboxylate; the special functional agentis a fatty acid polyol ester. The cutting fluid provided by the invention has good antirust property, lubricating performance, defoaming property, biological stability and use safety, and can meet theprecision manufacturing and even mirror surface highlight processing requirements of automobile aluminum hubs.

The invention relates to a synchronous recycling and purifying method for oil in oily sludge. The synchronous recycling and purifying method specifically comprises a feeding system, a steam preparation system, a spraying system, an oil water separation system, a condensation separation system, a condensate water desalting and reinjecting system, and an oily sludge residue combustion system. The synchronous recycling and purifying method is characterized in that the high temperature and the strong-impact dispersion effect of the sprayed steam are used to recycle and purify the oil sludge, the recycled oil is dehydrated and conveyed to an oil refinery, the condensate water is desalted and reinjected to generate steam, and the oily sludge residue is combusted to recycle the heat energy. The various systems of the method are linked with one another and are efficient, fast, clean and environmentally friendly; a used steam spraying device is simple in structure and can run continuously.

The invention discloses a glass plate production, storage and package tool, which consists of an upper protection corner and a lower protection corner and comprises a bottom plate, wherein a back plate is arranged at one side of the bottom plate in a direction vertical to the bottom plate, a protection plate vertical to the bottom plate and the back plate is installed by using a three-dimensional right angle clamped by the bottom plate and the back plate as a base, the protection plate clamps the bottom plate and the back plate for forming a glass plate accommodating groove, a traction fixing device projected out of the surface of the protection plate is arranged on the outer side surface of the protection plate, and an isolation protection device is arranged on the outer side surface of the protection plate beyond the traction operation range. The package tool is mainly made of metal materials, harmful organisms and ova are not contained, the inspection and quarantine treatment is not needed for export, the export requirements are met, the package tool can be conveniently recovered, the structure adopts the flexible connection, the size is small after the dismounting, the manufacture cost is lower than that of a wood package box, the integral cost is one twelfth of that of the wood package box, and the tool can be repeatedly used for more than twelve times.

The invention discloses a plate glass packaging device, and relates to the technical field of glass plate packaging tools. The plate glass packaging device comprises four corner protection assemblies;an edge protection assembly is arranged between every two corner protection assemblies; and every two corner protection assemblies and the corresponding edge protection assembly are connected with each other through connecting assemblies. According to the plate glass packaging device, the four sides and corners of a glass plate are protected through the four corner protection assemblies and the four edge protection assemblies correspondingly, the four corner protection assemblies and the four edge protection assemblies can be connected together through the connecting assemblies correspondingly to form a firm whole structure to clamp and protect the glass plate, and the packaging device is mainly made of metal materials and does not contain harmful organisms and worm eggs, so that inspection and quarantine treatment is not needed during exporting, and export requirements are met; recycling is convenient, the structure is simple, and the size is small after dismounting; and wood is saved, a large amount of labor can be saved, repeated use can be achieved, cost is saved, and practicability is high.

The invention belongs to the technical field of waste recycling and relates to a method for treating ageing oil. The method comprises the following steps of: (a) heating the ageing oil to 90-97 DEG C and then adding an emulsion breaker to the heated ageing oil to be uniformly mixed, wherein the adding quantity of the emulsion breaker is 0.005-0.01%; (b) primary separation: carrying out two-phase separation on the ageing oil obtained in the step (a) in a horizontal centrifugal machine to obtain an oil phase and a slag phase, wherein the rotation speed is controlled at 3300-3600 RPM; and (c) secondary separation: carrying out three-phase separation on the liquid phase obtained in the step (b) in a disc type separator at a rotation speed of 6400-6700 RPM so as to obtain an oil phase, an aqueous phase and a slag phase; and discarding the aqueous phase and the slag phase and recycling the oil phase. In the invention, by using a two-step separation method, the slag in the ageing oil is removed and the ageing oil is dehydrated; and the minimum water content of the treated oil phase can reach 0.1% and is far less than a general outward water content standard 0.5 percent. Therefore, the ageing oil can be directly sold after being recycled so that the defect of serious environment pollution caused by using chemicals in treatment at present is solved.

The invention relates to the technical field of agricultural biological engineering, and in particular relates to a cultivation method of a non-toxic phalaenopsis new product. The problem that most products in the cultivation of the phalaenopsis new products are viruliferous is solved. The method comprises selecting seeds, hybridizing, tissue-culturing, breeding, primarily detoxifying, secondarily detoxifying, culturing after being taken out from a bottle, and detecting virus. The phalaenopsis new product cultured by using the method provided by the invention is beautiful and elegant in plant type, strong in growth vigor, fast in growth, less in germ, high in survival rate, and relative low in maintenance cost; and the products can achieve the export requirement.

The invention discloses a softening agent with high stability, low color change and phenol yellowing resistance and a preparation method thereof. The softening agent is prepared from the following components in parts by weight:10-20 parts of alkali-resistant soft sheets, 5-10 parts of a dispersion stabilizer, 10-20 parts of low yellowing block silicone oil, 5-10 parts of phenol yellowing resistance agent and 40-70 parts of deionized water. By optimizing reasonable raw materials, the softener overcomes the difficulty that a cationic softener and an anionic phenol yellowing resistance agent areprone to generating ionic reaction, has good stability, excellent high temperature resistance, shear resistance and soft and comfortable hand feeling, is smaller in color yellowing and is suitable forthe finishing of white or light-colored fabrics; and meanwhile, the softening agent can reach the fourth level in the storage and phenol yellowing resistance effects of cotton and blended fabrics ofthe cotton, and the export requirements are met.

The invention relates to environment-friendly flame-retardant expandable polystyrene resin and a preparation method thereof. The environment-friendly flame-retardant expandable polystyrene resin is prepared from styrene, desalted water, sodium sulfonate, calcium phosphate, benzoyl peroxide, dicumyl peroxide, a brominated styrene-butadiene-styrene block copolymer, pentane and a structure regulator. The preparation method comprises the following steps: feeding, polymerizing, gas filling, impregnating at high temperature, cooling, dehydrating and the like. The segmented polymerization technology adopted by the new process can effectively solve the problem of compatibility of the brominated styrene-butadiene-styrene segmented copolymer and styrene, and effectively improves the flame retardant efficiency. The environment-friendly flame-retardant expandable polystyrene resin prepared by the invention has ecological environmental protection and biological safety, can meet export requirements of Europe and America and the like, has flame retardance capable of meeting requirements in the field of thermal insulation of building external walls, and has a wide application prospect.

A Chinese medicine 'Jianweiling' in the form of tablet is prepared from 6 Chinese-medicinal materials including hedgehog hydnum, cuttlefish bone, white peony root, liquorice root, etc through respective pre-treating, proportional mixing, sieving, adding alcohol solution of PVP, granulating, drying, mixing with magnesium stearate, die pressing and coating by HPMC.

A drill rod joint micro-annealing process comprises the steps: firstly plating copper on a drill rod joint having the surface without a phosphated layer, then carrying out tempering treatment, controlling the tempering temperature at 620 DEG C-690 DEG C, carrying out heat preservation for 100-140 min, and followed by carrying out water cooling to room temperature; for a joint having the surface with a phosphated layer, firstly pickling to remove the phosphated layer, then plating copper and carrying out tempering treatment. Aiming at the problem that comprehensive mechanical properties are decreased because the hardness value is often slightly higher in a conventional drill rod joint production, after the joint is treated, even if the hardness is dropped within a prescribed range of HB293-331, screw thread tooth deformation and surface decarburization of the joint can be prevented, the screw thread standoff requirement can be ensured, and the qualified rate of the product is improved.

The invention relates to the technical field of data export, in particular to an IM data export system for exporting data based on user requirements, which comprises an instruction collection module, an instruction judgment module, a data query module, a data writing module and a robot return module, the instruction collection module receives a user demand, extracts an instruction and a keyword type corresponding to the instruction from the user demand, and obtains a timestamp; the instruction judgment module calls an interface method corresponding to the instruction; the data query module performs instruction splicing according to the first strategy to obtain a query condition; performing data query according to a query condition, and pushing the queried data to a data writing module; the data writing module writes the data into a file in a corresponding file format to obtain a file stream, and uploads the file stream; and the robot return module performs file stream splicing according to the second strategy and exports the file stream to the IM system. According to the scheme, the operation steps of exporting the multi-dimensional data are greatly reduced, so that the IM data can be more quickly imported into the chat tool.

The invention discloses a processing technology of an imitation metal back plate of a refrigerator, wherein the processing technology comprises the following steps: S1, compounding coloring powder on the lower surface of a surface layer film to obtain an imitation metal film with the thickness of 20-50 [mu]m; S2, uniformly stirring and mixing the raw materials of a base material, feeding into an extruder, plasticizing and extruding, feeding the extruded base material into a calender, and calendering to obtain a base plate; S3, compounding the imitation metal film and the base plate through a composite roller at the temperature of 160-180 DEG C, then feeding into a plastic suction machine, and after forming, slitting, to obtain an imitation metal plate; S4, attaching an aluminum foil to the other side face of the imitation metal plate, and forming a back plate blank; and S5, punching and bending the back plate blank, and then welding and assembling the back plate blank. The defects in the prior art are overcome, the appearance metal glossiness of the imitation metal back plate of the refrigerator is high, the imitation metal film is firmly compounded on the surface of the base plate, coloring powder is not prone to disengagement, and the fireproof grade is high.

The invention discloses a cutting fluid for precision manufacturing of automobile aluminum wheel hubs and a preparation method thereof. The cutting fluid includes the following components by mass percentage: antirust agent A 5%-15%, antirust agent B 3%-8%, lubricant 5%-15%, special functional agent 2%-5%, balancer 2 %-5%, microbial control agent 2%-5%, surfactant 5%-15%, mineral oil 30%-50% and the balance of deionized water, wherein, the antirust agent A includes diglycolamine , at least one of monoethanolamine and 2-amino-2-methyl-1-propanol; the rust inhibitor B includes boric acid, decaneddioic acid, undecanedioic acid, tricarboxylic acid, At least one of sodium benzoate and polycarboxylic acid ester; the special functional agent is fatty acid polyol ester. The cutting fluid of the invention has good antirust performance, lubricity, defoaming performance, biological stability and safety in use, and can meet the requirements of precise manufacturing of aluminum wheel hubs of automobiles and even specular high-gloss processing.