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249results about How to "Good economic and social benefits" patented technology

BIM technology-based project amount calculation method

The invention discloses a BIM technology-based project amount calculation method. The method comprises the following steps of receiving, checking and rechecking a drawing; establishing a BIM three-dimensional model according to the design drawing; carrying out dynamic management on the BIM three-dimensional model; carrying out collision inspection on the BIM three-dimensional model by combining the actual situation of the project; adjusting and modifying the BIM three-dimensional model according to the collision inspection result of the BIM three-dimensional model; customizing a calculation rule in the BIM three-dimensional model; and calculating and summarizing in the BIM software, and exporting a project amount list. By adopting the method, modeling can be completely carried out according to the actual condition of the building engineering, the actual condition of the building structure can be truly reflected, and the engineering quantity calculation accuracy is improved; a calculation rule is customized in BIM software, parameters of each dimension of the component are accurately calculated, and the quality of engineering quantity calculation is improved; the improvement of theengineering quantity calculation quality is of great significance to the result of the engineering cost, and the method has good social and economic benefits.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Method for preparing trichlorosilane and polycrystalline silicon by transforming silicon tetrachloride

The invention aims at the problems of low one-time conversion rate, high energy consumption and large equipment investment in the conversion from the environment-polluted SiCl4 obtained in the process of the polysilicon industrial production to SiHCl3 used for the polysilicon production material by adopting the heat hydride process and much lower economic benefit of the white carbon black production using SiCl4 than that of the polysilicon. The invention provides enterprises with a SiCl4 conversion method for preparing SiHCl3 and polysilicon, which includes loading hydrogen or mixed gas of hydrogen and argon as the plasma working gas into a plasma generator, forming hot plasma jet flow at a temperature of higher than 4,000 K by arc discharge under the strong electric field, and inducing SiCl4 in a reactor to perform the reduction reaction for converting SiCl4 into SiHCl3 and polysilicon. The conversion method has the outstanding advantages of improved process, low energy consumption, and equipment investment, with SiHCl3 as main product, polysilicon as co-product and HCl as byproduct, the method further effectively prevents environmental pollution of silicon tetrachloride and increases the economic benefit.
Owner:SICHUAN JINGU POLYCRYSTALLINE SILICON

Deep horizontal well drilling track regulating method

The invention discloses a deep horizontal well drilling track regulating method, which comprises the following steps of: before the drilling of a drilling well, using an adjacent well speed field for predicting the main formation limit depth of the drilling well; before the drilling to a target layer, virtualizing the drilling well into a pilot well; obtaining the actual formation limit depth of the drilling well and a quarto well logging curve while drilling; correcting the deep formation limit at the main formation depth obtained before the drilling according to the obtained actual formation limit depth, and obtaining a corrected marking layer depth; performing the putting into a seismic profile according to the obtained quarto well logging curve in accordance with the marking layer so as to reverse the speed field of the drilling well; predicting the depth of the target layer of the drilling well according to the speed field of the drilling well; and regulating the drilling track set in the last time if the difference of the current predicted depth of the target layer and the depth of the target layer predicted in the last time is greater than the preset deviation threshold. The method has the advantages that the Yuanba horizontal well track optimization and regulation are effectively guided, and the effective reservoir drilling ratio is improved.
Owner:CHINA PETROCHEMICAL CORP +4

Method for drying and reducing low-grade latertic nickel ores by using bituminous coal

The invention discloses a method for drying and reducing low-grade latertic nickel ores by using bituminous coal. The method is characterized by comprising the following processes of: 1, after prescreening iron nickel laterite extracted from mines, crushing mineral grains with the size of between 3 and 600mm into the mineral grains with the size of between 3 to 15mm by a three-section one-closed-circuit method; after transporting the mineral grains to a disc feeder by a belt, quantitatively transporting the mineral grains to a rotary kiln by the disk feeder; and finishing natural material mixing and roasting reduction in the process of the rotation of a kiln body; or 2, after prescreening the iron nickel laterite extracted from the mines, mixing the mineral grains with the size of less than 3mm and dust collected by a dust collecting system; granulating; after transporting the mineral grains to the disk feeder by the belt, quantitatively transporting the mineral grains to the rotary kiln by the disk feeder; finishing the natural material mixing and the roasting reduction in the process of the rotation of the kiln body; and discharging hot materials subjected to roasting reduction, wherein the iron reduction rate reaches 75+/-5 percent and the nickel reduction rate reaches 82+/-3 percent.
Owner:PINGAN XINHAI RESOURCE DEV +1

Glue feeding system with automatic glue proportioning function

The invention discloses a glue feeding system with an automatic glue proportioning function. The glue feeding system comprises an AB glue mixing machine, a control device and an AB glue mixing and discharging device, wherein the control system comprises a control cabinet and a control system; the control cabinet is connected with a control switch, an input power source and an input air source respectively; the control device is connected with the signal receiving end of the AB glue mixing machine which comprises an A glue bucket, an B glue bucket and an AB glue output unit; the AB glue mixing and discharging device comprises an AB glue amount control box and a glue discharge head rubber pipe; the AB glue amount control box comprises an upper glue box and a lower glue box which are fastened together; and the upper glue box is provided with a stirring motor, a stirring head, a floating block connecting rod, floating blocks, a guide shaft, an upper limiting sensor and a lower limiting sensor. By the glue feeding system, the problems that manual glue proportioning is frequent and the work efficiency is low due to manual glue stirring are solved; the requirement for automatically feeding glue as required is met; cleaning liquid for a pipeline cleaning device is designed for cleaning pipelines, so as to prevent residual A glue and B glue in the pipeline from blocking the pipeline; and thus the glue feeding system has good economical and social effects.
Owner:WUHAN MINHUI AUTOMOTIVE PARTS

Medical appliance intelligent monitoring system

The present invention provides a medical appliance intelligent monitoring system. The medical appliance intelligent monitoring system comprises monitoring devices and a management system, wherein the monitoring devices are connected with the management system, and the management system is connected with a central server of a hospital; each monitoring device is corresponding to one medical device, and is used for collecting medical images of the medical device, transmitting the collected medical images to the management system, receiving instructions from the management system to intelligently monitor the use of the medical device, and feeding the use condition back to the management system in real time; and the management system comprises a server and software that comprises device monitoring software and diagnosis result management software. The medical appliance intelligent monitoring system effectively combines an electronic technology, a computer technology and an application technology of precision sensing and medical appliances, so that the problem of difficult charge management of medical instruments is fundamentally solved; and the medical appliance intelligent monitoring system can reasonably integrates image resources, and by virtue of analysis of an advanced medical image processing technology, diagnostic pathology is effectively and professionally processed, the workload of doctors is lightened, and the diagnostic efficiency is improved.
Owner:TIANJIN SEWEILANSI TECH

Method for purifying powdered iron from steel-smelting sewage sludge coarse grain

The invention discloses a method for purifying iron powder from coarse-particles of steel-smelting sludge, and relates to the method for effectively reclaiming and re-using the coarse-particles of the steel-smelting sludge in iron and steel industry. Aiming at a problem at present that metallic iron in the coarse-particles of the steel-smelting sludge isn't utilized effectively, the invention provides the method for purifying the iron powder from the coarse-particles of the steel-smelting sludge, which comprises steps of selecting magnetically, ball-grinding, sorting through gravity, drying, screen-classifying, reducing finely, bruising, combining and the like. The iron powder with MFe>=90% and TFe>=96% is separated successfully from the steel-smelting sludge through the invention, the iron power with TFe>=98% which can be used for welding rods and the like can be obtained, the utilizing value of the coarse-particles of steel-smelting sludge of rotary stoves can be increased greatly, the utilizing fields of the coarse-particles of steel-smelting sludge of rotary stoves can be developed, and according to industrial experiments and productions, the method is certified to be the method for producing the iron powder with little investment, short technological process, low cost and good benefits, and thereby the invention is beneficial to be extended and applied.
Owner:武汉钢铁有限公司

Coal dressing collecting agent and preparing method thereof

The invention relates to a coal dressing collecting agent and a preparing method of the coal dressing collecting agent, in particular to a coal collecting agent with butyl-octyl alcohol residual liquid in petrochemical enterprises as raw materials and a preparing method of the coal collecting agent and belongs to the technical field of preparing of coal slime flotation collecting agents. According to the coal dressing collecting agent, the butyl-octyl alcohol residual liquid in the petrochemical enterprises and phthalic anhydride serve as raw materials, under the action of catalysts, firstly, the temperature is raised to 70-150 DEG C, and a backflow reaction is performed for 1-5 hours; then, the temperature is raised to 120-300 DEG C, water phases and organic phases are separated after the backflow reaction is performed for 1-5 hours, drying and dewatering are performed on the organic phases, and the coal dressing collecting agent can be obtained. According to the coal dressing collecting agent and the preparing method of the coal dressing collecting agent, the preparing process is simple, the obtained product is good in flotation capacity, and industrialized production and industrialized application are facilitated. Meanwhile, the problem that the butyl-octyl alcohol residual liquid cannot be easily processed with high efficiency and high yield is well solved.
Owner:SHENZHEN RUICHENG SHIDAI IND CO LTD
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