35results about How to "Realize the purpose of cost reduction and efficiency increase" patented technology

The invention relates to a method of producing low-sulfur low freezing point diesel by full-range shale oil, relates to a production method of low-sulfur low freezing point diesel and solves the technical problems that the existing method of producing diesel by shale oil is complex in process and high in investment and operational cost. A material pre-fractionation unit, a reaction unit and a fraction unit are adopted in the method. The method has the advantages that finished diesel yield is high during processing of the full-range shale oil; the quality of the low-sulfur low freezing point diesel meets the national standard IV; a product scheme is flexible, the production of refined diesel and the production of the low-sulfur low freezing point diesel are both considered, and product distribution is adjusted; during the processing of the full-range shale oil, the material pre-fractionation unit is additionally provided with an absorbing column and a flash tank, lightweight shale oil is used as absorbent, LPG components in noncondensable gas can be recycled, applying a product stabilization column to the product fractionation unit to separate LPG and naphtha is avoided, and cost reduction and efficiency increasing are achieved. The invention belongs to the field of diesel production.

The invention provides a method for improving the shale oil hydrorefining denitrification rate, and relates to a whole fraction shale oil hydro-denitrification process. The method aims at solving the technical problems that in the existing method for producing diesel oil through shale oil hydrorefining, the stability of a diesel oil product is low, and the operation running period of a hydrorefining catalyst is short. According to the method, a raw material pretreatment unit 1, a raw material pre-fractionation unit 2, a primary hydrorefining reaction unit 3, a secondary hydrorefining reaction unit 4 and a product fractionation unit 5 are used. When the method provided by the invention is used for processing shale oil, the light oil yield is high; the nitrogen content of the diesel oil product is low; the chromaticity and the stability conform to national V standard requirements; the goal of light oil product deep denitrification can be achieved; the service life of the hydrorefining catalyst is prolonged; the operation running period of the catalyst is improved. A main product of the method is hydrorefining diesel oil; byproducts are high-value LPG and hydrogenated naphtha; heavy shale oil and hydrogenation tail oil thrown out in the technical process can be further processed and used in a downstream device. The method provided by the invention belongs to the field of whole-fraction shale oil deep processing.

The invention discloses a stable production method for hot rolling of thin-gauge ultrahigh-strength quenching-partitioning steel. The stable production method comprises the following steps of rollinglength transition, heating, rough rolling, finish rolling and coiling. The stable production method for hot rolling of the thin-gauge ultrahigh-strength quenching-partitioning steel effectively improves the production stability of a hot rolling production line of the thin-gauge ultrahigh-strength quenching-partitioning steel; optimization is conducted on the multiple aspects of the rolling gauge,the steel charging sequence, the heating process system, the rough rolling and finish rolling technology, coiling tension and the like, and the stable production method is used for guiding on-site production operation, improving the shape quality of the rolled piece, and effectively improving the rolling stability; finish rolling adopts the concepts of conducting acceleration and water reduction,lowering temperature drop of the process, reducing vibration of a rolling machine, preventing strip steel from tail whipping and the like to conduct stable rolling control; the stable production method achieves stable mass production in the hot rolling procedure of the thin-gauge quenching-partitioning steel which is quite high in production difficulty and achieves the purposes of lowing cost andincreasing benefits.

The invention discloses a fluorine-containing super-hydrophobic coating. The coating is prepared from, by mass, 15-25 parts of polyamide-imide resin, 30-50 parts of polytetrafluoroethylene emulsion solution, 2-6 parts of aluminum oxide, 1-3 parts of sodium sulfide, and 15-25 parts of deionized water. The fluorine-containing super-hydrophobic coating is easy to synthesize, the actual construction process can be completed simply through coating in one time, and thus the purpose of lowering the cost and increasing synergism is achieved; a composite dispersant is adopted, the dispersing effect on polytetrafluoroethylene is achieved, and further comprehensive effectiveness of the coating is improved; selected aluminum oxide and sodium sulfite serve as auxiliaries, and the self-layering performance of the super-hydrophobic coating is improved; the fluorine-containing super-hydrophobic coating has excellent performance of having high hydrophobicity, resisting acid-alkali resistance, resisting high-temperature resistance, resisting salt, and being high in adhesive force and rigidity.

The invention relates to the technical field of heating devices, in particular to a main-auxiliary type multi-heat-source series-connection grid-connected heating device. The main-auxiliary type multi-heat-source series-connection grid-connected heating device comprises a main heat source and at least one auxiliary heat source. One-way valves are arranged on a primary water return pipeline. Water inlets of the auxiliary heat sources communicate with the parts, on the outer sides of the one-way valves, of the primary water return pipeline. Water outlets of the auxiliary heat sources communicate with the parts, on the inner sides of the one-way valves, of the primary water return pipeline. A water inlet of the main heat source communicates with the part, on the inner sides of the one-way valves, of the primary water return pipeline. A water outlet of the main heat source communicates with a primary water supply pipeline. Auxiliary circulating pumps are arranged on pipelines between the water inlets of the auxiliary heat sources and the parts, on the outer sides of the one-way valves, of the primary water return pipeline. A main circulating pump is arranged on a pipeline between the water inlet of the main heat source and the part, on the inner sides of the one-way valves, of the primary water return pipeline. According to the main-auxiliary type multi-heat-source series-connection grid-connected heating device, the multiple heat sources are connected to a grid in series, the auxiliary heat sources only heat one side of the primary water return pipeline, a boiler is started and stopped according to the system heat requirement, the heat power of the boiler is fully used, and the purposes of regulating the peak, achieving standby application and increasing the utilization rate of the heat sources are realized.

The invention discloses a deep-well mine auxiliary drainage device utilizing surface water potential energy. The deep-well mine auxiliary drainage device comprises five parts of a box, piston connecting rods, a gear transmission system, valves and pipelines; the box is internally provided with two purified water cylinders and two sewage cylinders; the device is mounted at the bottoms of main and auxiliary wells of a mine, during starting, surface water is injected into the purified water cylinders through the pipelines, the piston connecting rods are hydraulically driven to move downwards, pistons in the sewage cylinders move upwards through gear transmission, and sewage is lifted; the purified water cylinders and the sewage cylinders each have a water feeding stroke and a water draining stroke, at the same time, the two purified water cylinders always conduct the water feeding stroke and the water draining stroke at the same time, the two sewage cylinders always internally conduct thewater feeding stroke and the water draining stroke, thus the water continuously enters the device, and the sewage is lifted; and the water feeding and draining pipelines of the purified water cylinders and the sewage cylinders are switched through the valves, and the valves control the tail ends of the connecting rods to be tightly attached to cams on gears to achieve linkage. The high-potential-energy water, from the surface, in a deep well mining water supply system serves as a power source for lifting the sewage downhole, the purposes of energy saving and cost lowering of deep well miningare achieved, and the water quality of the downhole water is not affected.

The invention discloses a steam turbine blade processing method based on molded line adjustment, and belongs to the field of processing control. In a conventional steam turbine blade processing process, blade molded lines with deviations are processed, and the problems of large workload and low work efficiency, caused when a programmer manually inputs a deviation modification amount are eliminated. According to the steam turbine blade processing method based on the molded line adjustment, when a machine tool is actually machined by use of movement along an X axis or a Y axis or a Z axis of a five-axis linkage program coordinate system, parameters moving along the X axis or the Y axis or the Z axis are converted into values under a workpiece coordinate system, and then addition and subtraction operation is carried out with X, Y and Z value vectors in G codes through the parameters after conversion. According to the method provided by the invention, reliance on TS85 software is eliminated in the process of controlling blade molded lines, an operator can an input program file and input modification data, the process of automatically generating a conversion file is realized and the method has the advantages of improving the processing efficiency and decreasing the cost.

The invention discloses tank cleaning equipment for an offshore oil platform and a tank cleaning method. The tank cleaning equipment comprises a protective cover, motors oppositely arranged in the protective cover, and a lengthened push rod which is mounted between the motors, the upper part of the protective cover is sleeved with an anti-collision guardrail, the bottom of the protective cover isprovided with a first quick connector, the first quick connector serves as a liquid phase outlet, a partition plate for protecting the motors from being damaged by dirty oil sludge and a liquid inletopening are arranged at the upper part of the protective cover, the motors are arranged at the bottom of the protective cover and are connected with a second quick connector through an air supply pipeline, the second quick connector serves as a nitrogen inlet, the nitrogen inlet has enough gas circulation amount and is convenient to disassemble and assemble, a plurality of push rod height adjusting screw rods are installed on the top of the lengthened push rod and the upper part of the lengthened push rod, and a plurality of push rod connecting threads are further arranged on the lengthened push rod. According to the tank cleaning equipment for the offshore oil platform and the tank cleaning method, operators do not need to enter a tank body, the whole tank cleaning process is achieved, and through the tank cleaning equipment, suspension impurities in a tank can be removed, and the dirty oil sludge deposited at the bottom of the tank can further be removed, so that the efficiency of tank cleaning operation is greatly improved.

The invention discloses a galvanized steel strip surface passivation film weight control system which comprises a roller coater and a film thickness gauge. The control system is provided with four strip steel turning rollers, strip steel running on the horizontal plane is turned into a frame protruding upwards, the roller coater is arranged on the front side face of the frame, and the film thickness gauge is arranged on the rear side face of the frame. The invention further discloses a control method of the control system. By adopting the technical scheme, the film weight adjustment is more stable and timely, the lag of manual detection and adjustment is avoided, the film weight control precision is higher, the accurate control of the passive film weight is realized, the inconsistent judgment change amount of the passive film weight is reduced, and the quality loss is reduced; then, waste of a passivation solution caused by too high film weight is avoided, and the purposes of reducing cost and improving efficiency are achieved; and the automation rate of the production process is further improved, and human resources are optimized.

The invention belongs to the technical field of pipeline fixing, and relates to a pipeline support assembly convenient to mount and demount, which can be connected with a steel beam, and is characterized by comprising a guide rail, a suspender, a support main body and a pipeline component, the guide rail is connected with the support main body through the suspender, and the pipeline component is arranged on the support main body. A through hole for a pipeline to penetrate through is formed in the pipeline assembly, the guide rail can drive the support body and the pipeline assembly to slide along the bottom of the steel beam, and then the through hole is driven to move. The invention has the beneficial effects that different types of pipelines can be systematically classified and integrated, so that not only is pipeline cable laying facilitated, but also equipment mounting can be assisted, multi-directional and multi-angle extension is realized, multi-point repeated arrangement of independent brackets is reduced, and construction material resources are saved.

The invention provides a steering column device. The device comprises a steering column, a dustproof sleeve and an automobile body metal plate floor located at the bottom of a cockpit, sponge is bonded to the mounting face, making contact with the automobile body metal plate floor, of the dustproof sleeve, a nylon bush is mounted on the inner side of an extending opening, a circle of protrusion is arranged in the middle of the outer side of the nylon bush, a circle of groove is further formed in the middle of the inner wall of the extending opening, the shape of the groove matches the shape of the protrusion, and the nylon bush is in interference fit with the dustproof sleeve. A lock hole is formed in the end, located in the cockpit, of the steering column, the steering column is connected with an ignition lock through the lock hole, at least two support installation platforms are arranged on the ignition lock, and combined switch supports are detachably installed on the support installation platforms. The steering column device has the beneficial effects that the dustproof function of a heavy truck is improved, the noise in the cab is reduced, the assembly of related accessories such as a combination switch is simplified, the assembly precision is improved, and the product reliability is greatly improved.

The invention belongs to the technical field of oil and gas field development equipment, and particularly relates to a novel heat recovery liquid nitrogen evaporation system suitable for oil and gas fields. The novel heat recovery liquid nitrogen evaporation system comprises a relatively independent evaporation system and a heat recovery system, wherein the evaporation system and the heat recoverysystem are connected through a heat exchanger, and the evaporation system and the heat recovery system exchange heat by the heat exchanger; the heat recovery system comprises an air heat exchanger, aheat pump compressor and an expansion valve which are sequentially connected to a first medium transmission pipeline; and the evaporation system comprises a liquid storage tank, a booster pump and anevaporator which are sequentially connected to a second medium transmission pipeline. The novel heat recovery liquid nitrogen evaporation system keeps the operation process clean, the requirements ofenvironmental protection are met, the power consumption in the operation process is greatly reduced, and the operation cost is saved.

The invention provides an intelligent production decision-making system and method for the oil and gas field, and belongs to the field of oil and gas development. The system comprises an oil-gas multi-source heterogeneous data governance module used for realizing oil-gas field data integrated governance; the oil and gas production intelligent decision platform business module is used for realizing oil and gas production intelligent decision, intelligent storage, transportation, gathering and transportation, intelligent operation and sales and system management, operation and maintenance; the intelligent algorithm component library is used for providing a basic algorithm and an intelligent algorithm developed based on specific scene customization; the function module containerization packaging and automatic management module is used for carrying out containerization packaging on the oil-gas multi-source heterogeneous data, the intelligent algorithm component library and the intelligent service component library and carrying out container unified scheduling and management; and the model custom development module under different scenes is used for building specialized models oriented to different scenes. The method solves the problem of less business scene association in oil and gas industry production, and plays an important role in digital and intelligent development of the oil and gas industry.

The invention provides a device for removing scale of a trioxane heat exchanger. The device comprises a steam heating system, an alkali preparation system and a waste liquid recycling system. By meansof the device, material waste can be reduced, the pressure of sewage treatment is reduced, the device running period is prolonged, and the aims of saving energy, reducing consumption, reducing cost and increasing efficiency are achieved. The heat exchanger washing effect is good, the comprehensive energy consumption of a production system is reduced, the device running period is prolonged, the pressure and difficulty of sewage treatment are reduced, the risk of environment protection accidents is avoided, and great significance is achieved for the whole production system.