233results about How to "Realize cost reduction and efficiency increase" patented technology

The invention relates to a three-level compound petroleum yield increasing method. The method comprises the following steps that 1, a core sample is selected to conduct an acid solution ratio experiment, an acid-etched fracture conductivity experiment, and a fracture conductivity experiment of a placing propping agent, the acid solution ratio is measured through the acid solution ratio experiment, flow conductivity parameters are measured through the acid-etched fracture conductivity experiment and the fracture conductivity experiment of the placing propping agent respectively, the yield is predicted based on the measured flow conductivity parameters, and if the acid solution ratio is above 20% and the predicted yield reaches an index value, an acid fracturing, hydraulic sand fracturing and matrix acidizing three-level compound yield increasing method is selected and conducted; 2, according to the sequence of acid fracturing, hydraulic sand fracturing and matrix acidizing, the acid fracturing, hydraulic sand fracturing and matrix acidizing are conducted for increasing the petroleum yield respectively.

The invention provides a nanometer emulsion oil-displacing agent and a preparation method thereof. The nanometer emulsion oil-displacing agent provided by the invention comprises the following ingredients in parts by weight: 30-45 parts of mineral oil, 3-8 parts of an emulsifier, 30-50 parts of monomer alkaline and water mixed liquor, 0.01-0.5 part of a cross-linking agent, 0.05-0.5 part of an oxidizing agent and 0.04-0.7 part of a reductant. According to the nanometer emulsion oil-displacing agent, raw materials are mixed and stirred orderly to form the emulsion of a water in oil system. Themolecular weight of the prepared nanometer emulsion oil-displacing agent is greater than 2000 thousands, a grain size in a particle is less than 40nm, interfacial tension is 9.0*10<-5>-8.6*10<-4>/m, astable storage period is greater than 240 days, and layering is unlikely to happen. The nanometer emulsion oil-displacing agent can reach any corner communicated with an oil deposit, rock surface wettability is changed, and swept volume is improved so as to be favorable for peeling and harvesting crude oil.

The invention provides a digital twinborn body construction method for precise monitoring of a sunlight greenhouse. The digital twinborn body construction method comprises the following three steps that 1, preparation is carried out, and early-stage information is collected and a digital twinborn sunlight greenhouse scheme is formulated; 2, a digital twinborn sunlight greenhouse is constructed, and the digital twinborn sunlight greenhouse comprises a digital process, a standardized process and an intelligent process; and 3, operation maintenance is carried out, and the constructed digital twinborn body is expanded, fed back and optimized. According to the digital twinborn body construction method for precise monitoring of the sunlight greenhouse, automatic real-time acquisition, display and modeling analysis of multi-environment element data can be realized, automatic linkage regulation and control according to an early warning rule are supported, and the effects of improving crop yield, reducing operation and management cost, improving disaster risk resistance, optimizing a management mode and enhancing greenhouse automatic management and control capability are achieved.

The invention discloses a multilayer composite structure three-dimensional fabric and a preparation method thereof. The three-dimensional fabric comprises at least one structure unit composed of a three-dimensional weaving structure layer and at least one needling structure layer; each structure unit and two adjacent structure units are connected in a Z direction through a needling process; and the three-dimensional weaving structure layer is a 2.5 D structure layer, a three-direction orthogonal structure layer or a fine weaving puncture structure layer. According to the fabric, the 2.5 D, three-direction orthogonality, fine weaving puncture structure and needling structure are organically combined into the structure and function integrated composite material, the needling structure bears the mechanical properties of heat insulation and heat preservation performance of the material, and the weaving structure bears the mechanical properties of high specific strength, high specific modulus, impact resistance and the like of the material, so that the obtained composite material can meet the use requirements of the material, and rapid and low-cost production can be realized.

The invention discloses a distribution transformer harmonic wave equalizing device, which comprises a hybrid active power filter, a three-phase supplying and compensating intelligent capacitor, an inverter current feedback device, an ARM control protection module and a data acquisition test terminal, and is characterized in that the hybrid active power filter is used for compensating harmonic wave pollutions in each harmonic wave elimination circuit; the three-phase supplying and compensating capacitor is used for carrying out compensation on reactive power in the circuit; the inverter current feedback device is applied to a distribution transformer output end so as to carry out treatment on active power imbalance; the ARM control protection module is used for protecting the whole device; and the data acquisition test terminal is used for acquiring electric energy quality data and transmitting the acquired electric energy quality data. The distribution transformer harmonic wave equalizing device adopts targeted comprehensive treatment in allusion to harmonic waves, reactive power and three-phase imbalance, effective management for the electric energy quality of a low-voltage distribution network can be achieved, the power supply quality is improved, the running safety of power supply equipment is ensured, occurrence of production accidents is avoided, the power supply efficiency is improved, the power grid loss is reduced, energy conservation, emission reduction, cost decreasing and benefit increasing are realized for the running economy of a power grid, the electric energy quality is improved, and the power grid runs safely.

The invention discloses a La-containing high-strength steel plate and a heat treatment technology thereof, and belongs to the technical field of heat treatment of steel materials. The La-containing high-strength steel plate comprises the following chemical components in percentage by weight: 0.14 to 0.30 percent of C, 1.5 to 2.0 percent of Mn, 0.6 to 1.0 percent of Si, less than or equal to 0.015 percent of P, less than or equal to 0.002 percent of S, 0.01 to 0.06 percent of Ti, 0.0005 to 0.0040 percent of B, 0.001 to 0.1 percent of La and the balance of Fe and inevitable impurities. According to the heat treatment technology, the austenitizing temperature is between 900 and 950 DEG C, heat preservation is performed for 0.5 to 3 hours and then water quenching is performed, the tempering temperature is between 190 and 250 DEG C, and the heat preservation time is 1 to 30 hours. The steel plate produced by the heat treatment technology has high mechanical properties, the tensile strength of 1,500 to 1,700 MPa, the yield strength of 1,100 to 1,300 MPa and the elongation of 7 to 15 percent; and moreover, the production cost is low, and steel plates with the thickness of 5 to 25mm can be produced in batches.

The invention discloses a method for reducing segregation during a casting process of a continuous-casting square billet for a gear. The method comprises the following steps: before the end of LF refining, the temperature of molten steel is increased to the continuous-casting molten steel overheating degree of 20-30 DEG C; a relatively large amount of water is utilized for primary cooling and secondary cooling of the continuous-casting square billet of 150x150 mm; the proportion of the water volume of a foot roller section reaches 40%; the electromagnetic stirring function of a crystallizer isdisabled; the electromagnetic stirring at the tail end is performed at a relatively low electric current; and the casting is performed at a withdrawing speed of 2.00 m/min. According to the method, the electromagnetic stirring function of the crystallizer is disabled, and thus the circumstance that the molten steel purity is influenced when entrapped slag is generated due to excessive stirring inthe crystallizer during the molten steel casting process can be avoided; the cooling water volume can be increased, the cooling strength can be improved, the withdrawing speed can be reduced, and thecasting billet can be sufficiently cooled, the effects that the growth of columnar crystals is promoted and the central equiaxed crystal ratio is reduced can be achieved, the aggregation of solute elements towards the space among the crystals and the center can be avoided, and then the segregation of elements in the casting billet can be reduced; the carbon range from the surface to 3/8 of a diagonal of the continuous-casting square billet for the gear can be controlled to be within 0.015%; the central carbon segregation index can be within 1.05; and the steel performance stability can be improved.

The invention discloses a niobium microalloying Mn-B series super-strength steel plate and a heat treatment process thereof and belongs to the technical field of heat treatment of materials. The process is characterized in that a plate blank comprises the following chemical components in percentage by weight: 0.18 to 0.38 percent of C, less than or equal to 0.6 percent of Si, 1.0 to 2.0 percent of Mn, less than or equal to 0.015 percent of P, less than or equal to 0.005 percent of S, 0.01 to 0.06 percent of Nb, 0.0005 to 0.0040 percent of B and the balance of Fe and inevitable impurities. According to the heat treatment process system, the austenitizing temperature is 880 to 930 DEG C, and after heat treatment is performed for 0.5 to 3 hours, water quenching is performed; and the tempering temperature is 190 to 280 DEG C, and the heat preservation time is 3 to 40 hours. The thickness of a finished steel plate product is 5 to 30mm, the finished steel plate product is excellent in mechanical property, the tensile strength reaches 1,100 to 1,400Mpa, the yield strength is 900 to 1,100Mpa, and the elongation percentage is 7 to 15 percent.

The invention discloses a water-cooled iron storage type iron runner and a cooling method thereof, and belongs to the technical field of blast furnace iron tapping runners. A water-cooled assembly is arranged on the inner side wall of the front half section of an iron runner groove (close to an iron falling point of a blast furnace tap hole) and is in direct contact with a lining casting material; cooling water introduced from a blast furnace cooling water system is introduced into the water-cooled assembly to cool a lining on the side wall of the iron runner, the cooling water flowing out of the water-cooled assembly flows to a blast furnace platform circulating water collecting bowl to form a circulating water passage; and a temperature measurement monitoring system monitors the inlet water temperature and the outlet water temperature of the water-cooled assembly to judge the working state of the water-cooled assembly, so as to timely take necessary safety measures and prevent iron permeation blast accidents of the iron runner. The service life of the water-cooled iron storage type iron runner is greatly prolonged and can reach half a year or a longer time, and the effects of reducing cost, increasing benefits and reducing consumption and emission can be achieved.

The invention discloses an offshore platform technology system and method for lowering exporting crude oil CO2 partial pressure. The offshore platform technology system comprises a high CO2 crude oilproduction manifold, a high CO2 crude oil production separator connected with the high CO2 crude oil production manifold, one or more sets of connected low CO2 crude oil production manifolds, low CO2crude oil production separators and a crude oil exporting pump. An oil phase outlet of the high CO2 crude oil production separator is successively connected with inlets of all low CO2 crude oil production separators through pipelines, and the pipelines of the oil phase outlet of the last-connected low CO2 crude oil production separator is provided with the crude oil exporting pump. The high CO2 oil phrase is separated from high CO2 production well crude oil through the high CO2 crude oil production separator, and low CO2 production well crude oil enters the low CO2 crude oil production separators so that the oil phase can be separated, oil phase CO2 partial pressure is suitable for a carbon steel material exporting marine pipe, and exporting is achieved through the exporting marine pipe ofthe crude oil exporting pump. According to the offshore platform technology system and method for the lowering exporting crude oil CO2 partial pressure, the CO2 partial pressure of the high CO2 crudeoil can be decreased, and thus the CO2 partial pressure is suitable for the exporting marine pipe made from the carbon steel material.

The present invention relates to a virtualization server host computer system and a related upgrade technology. The virtualization server host computer system comprises a virtual physical server (100), a thin client A and a thin client B. The virtual physical server (100) is provided with a first virtual machine (110) and a second virtual machine (120). After an operating system and an applicationprogram in an industrial control computer (210) of an engineer station and an industrial control computer (220) of an operator station are packaged, the converted virtual machine files are seamlesslymigrated into the first virtual machine (110) and the second virtual machine (120) respectively, and run in the virtual machines; the first virtual machine (110) and the second virtual machine (120)are remotely accessed through the thin client A and the thin client B to realize the operation of the original host computer program. The virtualization server host computer system and the related upgrade technology of the invention are ingenious in design and strong in practicability.