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

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 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 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 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.

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.