92results about How to "Reduce the risk of safety production" patented technology

The invention relates to a 1206 lubricating grease, comprising the following components by weight percent: 2-4% of aluminum isopropoxide, 4-6% of aminated bentonite, 3-5% of stearic acid, 1-3% of benzoic acid, 37-41% of viscous oil in refined naphthenic base, 29-43% of viscous oil in refined paraffin base, 1-3% of zinc dialkyl dithiophosphate, 1.6-2.9% of triazole fatty acid ammonium salt, 0.1-0.5% of a triazole derivative, 0.8-1.8% of tricresyl phosphate, 1.2-5% of polyisobutene and 0.7-1% of ethyl carbamate. Compared with the prior art, the 1206 lubricating grease is high in dropping point, large in sintering load data and relatively good in compression and wear resistance, and the more outstanding feature is as follows: the steel mesh is excellent in oil dividing, the embodiment 3 is 1/10 of the 1275 grease of LE company of America, and the embodiment 1 is not greater than 1/8; obviously, the pollution in the operation is smaller, the resource can be saved more, and the operation period of the equipment can be prolonged.

The invention discloses an electroscope and an electroscopic method. The electroscope comprises a laser signal generation unit, an electric field detection unit, a magnetic field detection unit, a UV pulse detection unit, an alarm unit and a data processing unit, wherein the laser signal generation unit, the electric field detection unit, the magnetic field detection unit, the UV pulse detection unit and the alarm unit are connected with the data processing unit, and the data processing unit is used to control a UV sensor power supply in the UV pulse detection unit, count UV pulses, process 3D electric and magnetic field data, and control the alarm unit to raise the alarm. According to the invention, long-distance non-contact electroscopy can be realized, and the risk of safe production is effectively reduced.

The invention aims to provide a novel marine low-speed diesel engine rack monolithic welding method. The assembling and welding sequence is optimized according to marine low-speed diesel engine rack monolithic welding parts, weld joint layout and quality requirements. According to the method, the mode of assembling and welding a web plate, guide rail plates and then wing plates in the existing marine low-speed diesel engine rack monolithic welding sequence is changed; and the guide rail plates and the wing plates are assembled and welded firstly, and then the two sets of guide rail plates andwing plates are assembled and welded together through the web plate. Due to the fact that the overall welding mode is adjusted to separate welding and then assembly welding, the weight of a single setof welding bodies is reduced, the complexity is reduced, ground level operation can be achieved, climbing is not needed, the safety production risk is effectively reduced, a special welding supporting tool does not need to be manufactured, and the production cost is saved. Rack monolithic welding is carried out according to the assembling and welding sequence, the risk of falling from high altitude can be avoided, the production efficiency is improved, the production cost is reduced, and the welding quality is guaranteed.

An advanced control method for the butadiene rectifying apparatus consisting of the first and the second rectifying towers include such steps as measuring the real-time data of the first rectifying tower, filtering, running the soft measuring model, inputting the filtered data to it to obtain the water contant of its tower still and the methyl ethyne content of its tower top, and in-line closed-loop optimizing control on the basis of DCS.

The invention discloses a stone wall blasthole detecting and positioning device based on virtual binocular vision and a positioning method. The device mainly comprises a vision module, a control module and an explosive implantation manipulator. According to the device, one video camera is utilized for conducting searching, partitioning and locking on a hole at different viewing angles; after the target hole is locked, a target hole image obtained at another angle is called and combined with a target hole image obtained before to conduct binocular calibration, coordinates obtained through calibration are converted to a coordinate system of a base of the manipulator, and then the current space coordinate position of the target hole relative to the working manipulator can be positioned.

The invention relates to a tire crane prewelding technology. The technology includes the following steps that a crossbeam structural component is manufactured, wherein in the crossbeam manufacturing process, inner side deflection is reversely deformed by 5 mm, and forming arch camber is increased by 5-10 mm; primary scribing is conducted, wherein a crossbeam center line and a rack positioning center line are scribed out; a rack bottom plate is mounted and welded, wherein a rack, a base plate and a bottom plate are collected and connected through service bolts, and the rack bottom plate is positioned and welded according to the crossbeam center line and the rack positioning center line; secondary scribing is conducted, wherein a crossbeam center line and a track pressing plate position line are scribed out again after the rack is welded; a track pressing plate is assembled, wherein the track pressing plate is positioned and welded through a positioning formwork, and the gap allowance of the pressing plate and a track is noted; the track pressing plate is welded, wherein a long continuous fillet weld is welded first and then a short fillet weld is welded; the crossbeam arch camber and the side-deflection degree are measured. The tire crane prewelding technology has the advantages that the crossbeam arch camber and the reserve deformation of the side deflection can be determined accurately, and rework is avoided; the positioning dimension of the track pressing and the rack bottom plate is guaranteed; moreover, the technological size and welding quality meet the requirement; working high above the ground is avoided, so that more safety is achieved, and the paint face is attractive.

The invention relates to a blast furnace lining thickness calculation device and method based on distributed optical fiber temperature measurement, and belongs to the technical field of blast furnaces. The device comprises a refractory lining, a joint mixture, cooling equipment, a blast furnace shell, distributed optical fibers, an optical fiber sensing and temperature measuring system and a blastfurnace hearth temperature database. Based on the optical fiber temperature measurement principle, the optical fibers are laid in the industrial furnace lining in the circumferential direction and the height direction of the furnace lining respectively, the temperatures of the corresponding positions of corresponding scattering areas can be obtained through Rayleigh scattering light, Raman scattering light and Brillouin scattering light obtained in all the scattering areas in the optical fibers, and the minimum distance between every two adjacent temperature measurement points can reach the millimeter level; meanwhile, a heat transfer theory is utilized to calcualte the heat flow intensity and the residual thickness of the blast furnace hearth lining, so that the traditional thermocoupletemperature monitoring mode can be replaced, the abnormal erosion point of the lining can be positioned for 24 hours according to the temperature and the residual thickness of the blast furnace hearthlining, the safety production risk of the blast furnace is reduced, and a guarantee is provided for efficient and safe production of the blast furnace.

The invention discloses a self-adaptive coal mining machine follow-up tracking multi-camera video splicing method, belongs to the technical field of intelligent monitoring, and combines a camera groupself-adaptive follow-up tracking method with a coal mining machine video splicing algorithm to improve the splicing effect of coal mining machine monitoring videos under the condition of large parallax of a coal mining working face. The influence of monitoring dead angles of the cameras on the state monitoring of the coal mining machine is reduced; firstly, a colorful fluorescent band is used formarking the position of a machine body, and real space coordinates are obtained through a camera calibration principle; the cameras deployed on a coal mining working surface are activated in groups based on a camera group self-adaptive follow-up tracking method, and the currently activated camera group completes a video splicing task of a coal mining machine picture. The coal mining machine videosplicing algorithm comprises the following steps: splicing corresponding frame images of two monitoring videos by using an image splicing algorithm; screening SIFT feature points based on an RANSAC algorithm for registration of the two images; and finally, splicing the two images by searching for the optimal suture line, and thus large-range monitoring of operation of the coal mining machine is achieved.

The invention relates to the technical field of power equipment and relates to an electro-optical effect sensing technology-based signal acquisition method for a wireless PT. The method comprises thefollowing steps that: 1, an electro-optical effect transformer is installed, specifically, the electro-optical effect transformer is installed on a high-voltage wire through an insulating connecting piece, and the vertical distance between the electro-optical effect transformer and the high-voltage wire is 2 m; 2, the electro-optical effect transformer installed in the step 1 is rotated, debuggedand used; 3, the debugged electro-optical effect transformer in the step 2 is fixed; and 4, data acquisition and research of the installed photoelectric effect transformer are facilitated. According to the electro-optical effect sensing technology-based signal acquisition method for the wireless PT of the invention, a wireless PT (10kV) capable of performing all-weather, long-distance and non-contact operation can be developed on the basis of an existing PT mode and is convenient to use, safe and reliable, can effectively reduce the safety production risk of a power plant, and makes up the defects of a conventional PT mode.

The invention discloses a citrus recognition and counting method, and relates to the technical field of machine learning image recognition, and the method comprises the steps: obtaining and analyzing the image data of a citrus orchard, recording the number and maturity of citrus, and constructing a training set; training a citrus recognition neural network; and through the citrus identification neural network, citrus counting is performed on the citrus orchard, and the maturity of citrus is analyzed. According to the invention, citrus fruit counting and fruit ripening state determination in an unmanned state are realized, the fruit ripening degree of an orchard can be monitored, the blank that the fruit ripening degree cannot be tracked in real time in the prior art is filled, the output reliability is high, a more reliable identification result is obtained, and the identification efficiency is improved. The method can help guide orchard production and comprehensive utilization and development of by-products thereof, reduce safety production risks, improve product yield and reduce production cost.

The invention discloses a novel special-shaped aluminum veneer curtain wall modular keel installation technology which comprises the steps that according to a curtain wall design drawing, secondary keels of all models are decomposed and grouped, and the secondary keels of all models subjected to decomposition and grouping are subjected to hot bending machining; manufacturing and processing a positioning lofting underframe; the modeling secondary keels are positioned and welded; the modeling secondary keels are assembled; the aluminum veneer is installed; the modeling secondary keels are positioned on the building wall surface; and the modeling secondary keels are hoisted and fixed. The technical problems that building wall positioning is difficult, errors are large, cost is high, the rework rate is high, efficiency is low, and potential safety hazards are caused by long-time high-altitude operation are solved.