33results about How to "Production cost economy" patented technology

The invention discloses low-temperature X80HD (High Density) large-deformation pipeline steel with great wall thickness and a production method thereof, belonging to the technical field of medium-thickness plate production and longitudinal submerged arc welded tube production. A steel plate comprises the following chemical components in percentage by mass: not less than 0.04% and not greater than 0.09% of C, not greater than 0.35% of Si, not less than 1.5% and not greater than 1.85% of Mn, not greater than 0.012% of P, not greater than 0.004% of S, not less than 0.02% and not greater than 0.05% of Nb, not less than 0.008% and not greater than 0.025% of Ti, not less than 0.10% and not greater than 0.50% of Ni, not less than 0.10% and not greater than 0.45% of Cr, not less than 0.10% and not greater than 0.30% of Cu, not less than 0.10% and not greater than 0.35% of Mo, not less than 0.020% and not greater than 0.070% of Alt, not greater than 0.0005% of B, not greater than 0.0050% of Ca, and the balance of Fe and inevitable impurities. A preparation method of the steel plate comprises the processes such as converter smelting, external refining, continuous casting, heating, controlled rolling, relaxation phase change control and quick cooling; a texture of the rolled steel plate is ferrite, bainite and a little M/A (Martensite/Austenite), wherein ferrite content is 60%-85%, and bainite and M/A content is 15%-40%. The obtained X80HD large-deformation pipeline steel has high strength and toughness, a high work-hardening index, high uniform ductility, a low yield ratio and good deformation resistance.

The invention discloses a zinc catalyst applicable to controllable depolymerization of a polyester material and a catalytic method thereof, and belongs to the technical field of polyester depolymerization. The problems that an existing zinc catalyst used for alcoholysis of waste polyester materials needs to synthesize complex ligands, and the number of synthesis steps is increased are solved. Thecatalyst adopted by the invention is a bis(hexaalkyldisilazane)zinc catalyst with a simple structure, and under the participation of an alcohol compound, the polyester material can be depolymerized into small organic molecules under mild conditions through the transesterification reaction catalyzed by the catalyst, so that the reutilization of waste polyester is realized. The zinc catalyst is adopted to catalyze polyester depolymerization, metal zinc is non-toxic, colorless, cheap and easy to obtain and serves as one of the microelements of a human body, biocompatibility is good, and the production process is more environmentally friendly; the catalyst is simple in structure, few in synthesis steps and more economical in production cost. The catalyst has very good universality, and has a very good depolymerization effect on various polyester materials with different structures.

The invention discloses a seawater corrosion-resistant steel pipe. The seawater corrosion-resistant steel pipe comprises a ferrite-pearlite mixed matrix and contains 0.13-0.20wt% of C, 0.10-0.35wt% of Si, 0.9-1.5wt% of Mn, 0.05-0.4wt% of Cr, 0.01-0.04wt% of Al, 0.05-0.4wt% of Cu, 0.05-0.3wt% of Ni, 0.06-0.12wt% of V, 0.008-0.02wt% of N and the balance Fe and other unavoidable impurities. The invention discloses a manufacturing method of the seawater corrosion-resistant steel pipe. The manufacturing method comprises the following steps of 1, smelting, 2, casting and then rolling for round pipe blank production, 3, heating and soaking, 4, austenite-phase rolling for steel pipe production, and 5, cooling to a room temperature. The seawater corrosion-resistant steel pipe has excellent seawater corrosion resistance, good processing welding performances and excellent low-temperature toughness.

The invention discloses acidic milk powder and a preparation method thereof. The acidic milk powder comprises milk solids, and further comprises the following components by weight percent: 1.5% to 2.5% of stabilizing agent and 0.4% to 2.5% of acidity regulator. The preparation method comprises the following steps: firstly, concentrating milk to obtain concentrated milk; secondly, mixing the concentrated milk with the stabilizing agent to obtain stable concentrated milk; thirdly, mixing the stable concentrated milk with acidic solution to obtain acidic concentrated milk; and fourthly, spray drying the acidic concentrated milk to obtain the acidic milk powder. The acidic milk powder has a stronger acid taste, is delicious, and has good dissolubility and good mouthfeel; the production technology of the acidic milk powder overcomes the detect of the direct dry mixing technology that products have poor dissolubility and overcomes the technical problem that acidic/juice milk is not suitablefor being concentrated or spray-dried directly, so that protein does not denature during the spray drying process; and since neither stabilizing agent or juice is concentrated, so that the phenomena of coking on the surface of a heater is avoided. The invention has low manufacturing cost and is applicable to large-scale industrial production.

The invention relates to the technical field of industrial explosive production, and in particular relates to a water gel and ammonium nitrate fuel oil explosive and a production method thereof. The water gel and ammonium nitrate fuel oil explosive with adjustable density, initiation sensitivity, explosive property, free-running property or viscosity is produced from different special ammonium nitrate fuel oil explosives and water gel explosives according to different proportioning requirements, has the characteristics of economical production cost and the like, meets the actual demands of different blasting works, and especially solves the problem of difficult explosive filling in an upward blast hole. The research proves that the water gel and ammonium nitrate fuel oil explosive with the adjustable initiation sensitivity can ensure the safety of explosive filling in the on-site blast hole, provides a material basis and technical support for smooth national economy construction, generates good economic and social benefits, and has very good application and popularization prospects.

The invention relates to a cement grouting mortar with high permeability prepared by components in the following mass ratio: 51-61% of cement; 0.06-0.12% of additive; 3-5% of admixture; 6.5-12.5% of sand and 28-32% of water. Compared with the prior art, the cement grouting mortar with high permeability provided by the invention has advantages of great mobility, high strength, good stability, simple process operations, and low preparation costs and the like, can be widely used in road engineering, constructional engineering, and geotechnical engineering, and in particular, is adapted to grouting-typed bituminous concrete-cement mortar pavement engineering.

The invention provides an anisotropic piezoelectric material and a preparing method thereof. The composition chemical formula is as follows: [(1-x) (0.7PbZrO3 - 0.3K0.5Bi0.5TiO3) - xPbTiO3] + yPbZnNb2O5, x = 0.25 - 0.30, y = 0.01 - 0.20. The preparing method comprises the following preparing steps: mixing materials by a mass molar in the formula, ball-grinding by a wet method, briquetting after drying and synthesizing; synthesizing blocks after coarse grinding, carrying out secondary wet ball grinding, and pelletizing polyvinyl alcohol after drying; feeding degummed biscuits in an aluminum oxide crucible and sintering into ceramic; carrying out electrode oil bath polarization on the ceramic to obtain the anisotropic piezoelectric material. The material has high anisotropism, the piezoelectric strain coefficient in the polarization direction is larger than the piezoelectric coefficient in the non-polar direction, and the isostatic pressing piezoelectric sensitivity is as high as 40*10<-3> V.m/N and much higher than that of a lead zirconate titanate piezoelectric material. The material ingredients are reasonable and are easy to sinter and polarize, and the material is particularly suitable for manufacturing high-sensitivity and high-resolution hydrophones.

The invention discloses a method for preparing an enamel arc plate with the radius r larger than 3000 mm. The method comprises the following steps of plate laser cutting; plate corner bending; plate corner full-welding; welding and grinding; surface treatment; glaze spraying; high-temperature sintering; surface coating; and aluminum honeycomb core pressure welding, and specifically, an arc plate is formed by mold pressing and the pressure welding of a galvanized steel plate is carried out, or, the pressure welding of the aluminum honeycomb core and the galvanized steel plate is carried out sequentially, the arc plate is formed by the mold pressing so as to prepare the enamel arc plate with the radius of greater than 3000 mm, and boxing and warehousing are carried out. According to the method for preparing the enamel arc plate with the radius r larger than the 3000 mm, the manufacturing of different radians can be realized, a product is high in first-passyield, the procedures of ring circle forming, rib welding, manual shaping and the like are eliminated, and the production efficiency is improved.

The invention discloses a Tibetan medicine composition, its preparation and application methods. Aiming at the defects of potential hepatotoxicity in some traditional medicinal materials and their preparations in the prior art, the present invention provides a Tibetan medicine composition with the function of preventing and treating liver damage. This product includes 50 parts by weight of myrobalan, 50 parts of saffron, 50 parts of slag taming paste, 100 parts of iron filings made from myrobalan, 50 parts of milk-made cold water stone, 50 parts of Ganqing Qinglan, and 50 parts of woody fragrance. From the perspective of national medicine, this product follows the principle of compatibility of monarch, minister, assistant and envoy, and the compatibility of all prescriptions achieves the effects of promoting qi and blood circulation, calming liver, clearing heat and relieving pain, and has the function of protecting liver and liver. The invention also provides a preparation method of the Tibetan medicine composition and its application in the preparation of products for preventing and treating liver damage. The Tibetan medicine composition of the present invention is prepared by adopting traditional commonly used medicinal materials according to the traditional Tibetan medicine processing method. The original medicine of the medicinal material and the preparation method are safe and reliable, and the types of the original medicine components are few, the production cost is economical, and the preparation method is simple.

The invention discloses an elevator suspension rope tension measurement and regulation mechanism, which comprises a screw rod with the end part being connected with a suspension rope, and an elastic component, a locking nut, a pressure sensor and a regulation nut sequentially sleeves the screw rod. The elevator suspension rope tension measurement and regulation mechanism also comprises a regulator, wherein the regulator supports the pressure sensor; the regulator is covered on the outer side of the locking nut; the regulator comprises at least one regulation window and at least one regulation hole so as to be convenient to regulate the locking nut. The elevator suspension rope tension measurement and regulation mechanism can conveniently and quickly regulate the locking nut, and can be applicable to locking nuts with different specifications and dimensions.

The invention discloses a method for recovering caprolactone from poly(epsilon-caprolactone) waste, and belongs to the technical field of polyester waste material depolymerization. According to the method, an economical metal catalyst is adopted for catalysis, the poly(epsilon-caprolactone) waste is subjected to depolymerization reaction recovery under the heating and vacuum conditions to obtain the polymeric monomer caprolactone, and directional recovery of the poly(epsilon-caprolactone) waste is achieved. The recycled monomer caprolactone can be directly reutilized, so that the industrial production steps are reduced, the production efficiency is enhanced, the industrial cost is reduced, the sustainable development principle is met, and the environmental pollution is reduced.

The invention discloses medicinal liquor for treating hyperplasia and the traumatic injury. The medicinal liquor is prepared from the following raw materials in medicinal composition: astragalus membranaceus, dendrobe, honeysuckle, chrysanthemum, radix cyathulae, phoenix-tail fern, bock greenbrier rhizome, caulis spatholobi, garden balsam stem, iceberg grass, lycopodium clavatum, safflower, rhodiola rosea, lysimachia sikokiana and white spirit with 55-70 degrees. The medicine is an external formula, has special effects on hand and foot constraint and hand and foot constraint caused by apoplexy sequelae when being used for the traumatic injury, knee joint effusion, synovitis, arthralgia, spinal hyperplasia and caused pain, and has a certain curative effect on skin diseases and vitiligo.

The invention discloses a tension measurement and regulation mechanism for a lift suspension rope. The mechanism comprises a screw, an elastic component, a locknut, a pressure sensor and a regulation nut, wherein the end of the screw is connected with the suspension rope, and the elastic component, the locknut, the pressure sensor and the regulation nut are arranged on the screw in a sleeving mode in sequence. The tension measurement and regulation mechanism for the lift suspension rope further comprises a regulator. The pressure sensor is arranged between the regulator and the regulation nut, the regulation nut is provided with a guiding portion, and the guiding portion is located between the screw and the pressure sensor. The tension measurement and regulation mechanism for the lift suspension rope is provided with the regulator and a regulation sleeve which are arranged on the periphery of the locknut in a covering mode, the locknut can be regulated conveniently and quickly, and the mechanism can be suitable for the locknuts with different specifications and sizes. Meanwhile, the special regulation nut is arranged, therefore, not only is output pressure of the pressure sensor more precise, but also the whole structure of the mechanism is simpler, and the production cost is more economical.