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192results about How to "Safe and reliable performance" patented technology

Assembly process of cylindrical lithium-ion cell

The invention discloses an assembly process of a cylindrical lithium-ion cell. The assembly process comprises the steps of (1), ultrasonically flattening two ends of a winding core; (2), wrapping two ends of the winding core with bottom adhesive tapes; (3), inserting the winding core into a shell; (4), welding a combined body of a flow collection plate and a cover plate on two ends of the winding core; (5), bending a flow collection plate lug; (6), bending the cover plate; (7), forming a lug; (8), embedding the cover plate; and (9), welding the cover to the shell through laser. The assembly process of the cylindrical lithium-ion cell is standard and normal in process; due to adoption of the combination of the flow collection plate and the cover plate, the combined cover plate is welded to the two ends of the winding core, so that the time for shaping the lug is shortened; due to the adoption of a welding manner of ultrasonically flattening and welding two ends through laser, the winding core is inserted into the shell, and then two ends of the winding core are welded, so that the bending and abrasion of the winding core plug are reduced; the yield of subsequent periphery welding is improved, thereby ensuring that the product performance is safer and more reliable.
Owner:上海电气国轩新能源科技(南通)有限公司 +1

Method for manufacturing tungsten/ cobalt carbide composite powder with nanostructure

The invention discloses a method for manufacturing tungsten/cobalt carbide composite powder with a nanostructure. The method includes steps of firstly, dissolving, by mass, 55-92% of water-soluble tungsten salt, 3-40% of water-soluble cobalt salt, 3-6% of water-soluble carburizing and nodulizing agents and 0.1-2% of water-soluble composite grain growth inhibitors into water with the mass 3-5 times that of a mixture of the water-soluble tungsten salt, the water-soluble cobalt salt, the water-soluble carburizing and nodulizing agents and the water-soluble composite grain growth inhibitors to prepare mixed aqueous solution; secondly, quickly crystallizing the mixed aqueous solution obtained in the first step; thirdly, pre-treating crystalline, which is obtained in the second step, at the pretreatment temperature ranging from 500 DEG C to 700 DEG C to obtain nodular powder; and fourthly, performing reduction synthesis and carbon conditioning for powder materials, which are obtained in the third step, at the temperature ranging from 900 DEG C to 1000 DEG C to manufacture tungsten/cobalt carbide composite powder materials with nanostructures. The method has the advantages that a process is simple, and the hard alloy powder materials with the nanostructures can be produced in an industrialized manner.
Owner:ADVANCED FOR MATERIALS & EQUIP

Energy-saving box type outdoor substation

The invention belongs to the power transmission and transformation equipment field and relates to an energy-saving box type outdoor substation. The substation comprises a top cover and a box body; the box body is divided into a high-voltage chamber, a transformer chamber and a low-voltage chamber. The energy-saving box type outdoor substation further comprise an intelligent controller; the intelligent controller is connected with a low-voltage chamber power transmission line through a power source input cable; the high-voltage chamber is provided with a high-voltage entering cabinet, a high-voltage metering cabinet, a high-voltage ring main unit and a high-voltage outgoing cabinet; the low-voltage chamber is provided with a low-voltage entering cabinet, a high-voltage reactive power automatic compensation capacitor cabinet and a low-voltage outgoing cabinet; and a transformer arranged in the transformer chamber is an on-load automatic capacitance adjustment power distribution transformer. The energy-saving box type outdoor substation is safe, reliable, energy-saving and efficient. With the energy-saving box type outdoor substation adopted, a power factor as well as the power supply efficiency and voltage quality of a system can be improved, and line loss can be decreased, and distribution line cost can be decreased, and electric energy can be saved, and the occupancy of a power grid and the no-load reactive loss and active loss of the transformer can be decreased, and capacity increasing cost and operation cost can be saved, and saving energy and consumption reduction can be realized, and great economic benefits and social benefits can be brought about.
Owner:昆明湘云衡电气设备有限公司

Radioactive organic waste treatment device

The invention belongs to the technical field of radioactive substance treatment equipment and relates to a radioactive organic waste treatment device. A main body structure comprises a waste temporary storage tank, a catalytic degradation kettle, a solid waste collector, a separation tower, a thermal oxidation device, a tail gas processor, an air filter and a discharging pipe, the catalytic degradation kettle and the separation tower are in bidirectional fixed connection through a pipe, the waste temporary storage tank is fixedly connected with the catalytic degradation kettle through a pipe, the separation tower is fixedly connected with the thermal oxidation device through a pipe, the thermal oxidation device is fixedly connected with the tail gas processor through a pipe, the tail gas processor is fixedly connected with the air filter through a pipe, the air filter is fixedly connected with one end of the discharging pipe through a pipe, the other end of the discharging pipe is directly communicated with the atmospheric environment, the catalytic degradation kettle, the thermal oxidation device, the tail gas processor and the air filter are fixedly connected with the solid waste collector through pipes, and organic ingredients in radioactive organic waste are converted into inorganic ingredients according to the catalytic cracking principle. The radioactive organic waste treatment device is simple in structure, scientific and reliable in principle, reasonable in cost, safe in performance, capable of saving energy and protecting the environment and environmentally friendly in use.
Owner:青岛天和清原科技有限公司

Composite calcium-sulfonate-base lubricating grease and preparation method thereof

The invention relates to the technical field of a composite calcium-sulfonate-base grease and preparation thereof, particularly a composite calcium-sulfonate-base lubricating grease and a preparation method thereof. The preparation method of the composite calcium-sulfonate-base lubricating grease comprises the following step: 1. respectively weighing 20-30 parts by weight of high-base-number petroleum calcium sulfonate with the total base number of 200-400 mg KOH/g, and 44-55 parts by weight of high-viscosity-index base oil with the viscosity index of 90-120. The invention has the advantages of simple technique, accessible raw materials and safe working environment, is convenient for operation, and effectively lowers the energy consumption; the product obtained by the method provided by the invention has excellent properties, and can satisfy the product index requirements without adding any additive, and thus, the production input cost of the product is lower than that of any other high temperature grease; no harmful substance is generated in the product production and use process, so the composite calcium-sulfonate-base grease is harmless to the human body; and the composite calcium-sulfonate-base grease can be recycled and reutilized to maximize the use of energy sources, thereby completely satisfying the requirements of energy saving and environmental protection.
Owner:新疆金雪驰科技股份有限公司 +1

Rock wool composite board and continuous production method thereof

The invention relates to a rock wool composite board and a continuous production method thereof, and belongs to the technical field of building materials. The rock wool composite board comprises an upper coiled material layer and a lower coiled material layer with reinforcing and fireproof functions, wherein a rock wool plate with a heat preservation function is arranged between the upper coiled material layer and the lower coiled material layer; the upper coiled material layer and the rock wool plate as well as the lower coiled material layer and the rock wool plate are integrally compounded through an adhesive. According to the rock wool composite board produced by adopting the continuous production method provided by the invention, on premise that the heat preservation property and the flame retardancy of the rock wool are not changed, the overall strength of the rock wool plate is improved due to introduction of adhesive layers and interface layers; as the adhesive layers and the flexible waterproof coiled material self are good in water resistance, all needed is to perform waterproof treatment on the periphery of the produced rock wool composite board, moreover, the flexible coiled material is taken as the interface layers, the cost is greatly reduced; as the flexible coiled material is good in affinity with a cement base and the interface of the flexible coiled material does not need to be treated after being mounted on a wall, a construction process can be simplified.
Owner:WANHUA ENERGY-SAVING TECH GRP CO LTD +2

Novel sieving and crushing device for rare earth carbonate

The invention relates to a sieving and crushing device, and particularly relates to a novel sieving and crushing device for rare earth carbonate. The technical problem to be solved by the invention is to provide a novel sieving and crushing device for rare earth carbonate. In order to solve the technical problem, the invention provides a novel sieving and crushing device for rare earth carbonate. The novel sieving and crushing device for the rare earth carbonate comprises a cylinder body, a charge device, a left-right swing device, a hopper, a fixed plate, a connection rod and the like, wherein the left-right swing device is arranged below the cylinder body; the hopper is formed above the charge device; the fixed plate is arranged below the charge device; the left end of the fixed plate is connected with the upper end of the right sidewall of the connection rod in a welding manner; and the lower end of the connection rod is connected with the top of a base I in a welding manner. The novel sieving and crushing device for the rare earth carbonate adopts a simple split structure, is easy to repair and maintain, greatly increases the sieving and crushing efficiency of the rare earth carbonate through the combination of the charge device and the left-right swing device, and is good in sieving and crushing effect, capable of saving enterprise resources, convenient to operate, and easy to produce and manufacture.
Owner:徐州铭山路桥机械设备制造有限公司

Wet multi-disc parking brake

The invention discloses a wet multi-disc parking brake which comprises a brake cover, a brake shell, a piston, a friction pair, a spring, a spline shaft, a sealing element and a retainer ring. The piston is mounted in a piston cylinder encircled by the brake cover and the brake shell, the piston cylinder comprises a first cylinder hole with a large diameter and a second cylinder hole with a small diameter, the piston is provided with a first sliding surface with a large diameter and a second sliding surface with a small diameter, the first sliding surface is in slide fit with the wall of the first cylinder hole, the second sliding surface is in slide fit with the wall of the second cylinder hole, the spring on the brake cover is butted to the back of the piston, the friction pair comprises friction discs and dual discs, is arranged on the outer periphery of the spline shaft and is positioned on a side of the front surface of the piston, the friction discs and the dual discs are axially alternately arranged, the brake shell is meshed with the friction discs via internal spline, the dual discs are meshed with the spline shaft via internal splines, and a high-pressure oil circuit and a lubricating oil circuit are arranged in a tank. The wet multi-disc parking brake has the advantages that the wet multi-disc parking brake is small in radial size, and dry friction among the friction discs and the dual discs can be prevented.
Owner:CRRC QISHUYAN INSTITUTE CO LTD

Oil-spraying rust preventing device for mechanical component

The invention relates to a rust preventing device for machinery, in particular to an oil-spraying rust preventing device for a mechanical component. The invention solves the technical problems by providing the oil-spraying rust preventing device for the mechanical component, which ensures low labor intensity, has high rust preventing efficiency, saves time and labor and saves resources. In order to solve the technical problems, the invention provides such the oil-spraying rust preventing device for the mechanical component. The oil-spraying rust preventing device for the mechanical component comprises a base, a first small bracket, a first rotating shaft, a rotating wheel, a first chain wheel, a cam, a second chain wheel, a second rotating shaft, a chain plate and the like, wherein the first small bracket is connected to the top of the base; the first small bracket is arranged in front-and-back symmetry; the first rotating shaft is rotationally connected with the upper end of the firstsmall bracket. The oil-spraying rust preventing device for the mechanical component, provided by the invention, ensures low labor intensity, has high rust preventing efficiency, saves the time and the labor, saves the resources, facilitates reduction in expenses of an enterprise, facilitates the production and the development of the enterprise, and has safe and reliable performance and a simple structure.
Owner:汤蒙琪

Drain pipe anti-freezing system outside building

The invention relates to a drain pipe anti-freezing system. The drain pipe anti-freezing system is formed by a drain pipe water inlet connecting opening, an elastic converged flow guide opening, a controller, electric heaters, a water sensor and an atmospheric temperature sensor; the drain pipe water inlet connecting opening is of an inverted trapezoidal structure; the bottom of the drain pipe water inlet connecting opening is inserted into a drain pipe; the water flowing down is guided to the position of a central axis of the drain pipe through the elastic converged flow guide opening to enable the water flowing down to rapidly fall down to a drain pipe outlet in a free falling body mode, wherein the drain pipe outlet is vertically formed; when the water flowing down is more, the elastic converged flow guide opening can be correspondingly expanded under the action of the water to allow more water to pass through smoothly; the inner wall of the drain pipe water inlet connecting opening is provided with the water sensor and the electric heaters; a signal receiving end of the controller is connected with the water sensor and the atmospheric temperature sensor; an output end of the controller is connected with the electric heaters. According to the drain pipe anti-freezing system, the freezing problem in the drain pipe is solved, the effective protection on the building is achieved, the performance is safe and reliable, and the drain pipe anti-freezing system is particularly suitable for northern area.
Owner:贾书洪

Soil body electrical parameter space-time distribution testing device and method for triaxial experiment

The invention provides a soil body electrical parameter space-time distribution testing device and testing method for a triaxial experiment. The testing device comprises a triaxial compression experiment device, an insulating rubber film, conducting strips and an electrodes. The insulating rubber film, the conducting strips and the electrodes are added into a confining pressure chamber in the triaxial compression experiment device; the insulating rubber film is used as a soil sample to be isolated from the confining pressure chamber in the triaxial compression experiment device; the conductingstrips and the electrodes are used for testing electrical parameters of the soil body; the conducting strips are arranged at the end parts of the two ends of a soil sample of the triaxial compressionexperiment; the electrodes are inserted into the soil body through the small holes of the insulating rubber film and are uniformly arranged along the circumferential direction of the insulating rubber film to form a group of conductive electrodes; and a plurality of groups of electrodes are arranged along the axial direction of the insulating rubber film to test the resistivity of each layer of soil body. The soil body electrical parameter space-time distribution testing device and testing method are applied to subgrade engineering of different soil bodies, soft soil and silt foundation engineering, various soil body landslides and other engineering, the soil body performance and damage state are evaluated, and the relation between damage and strength is established.
Owner:SHANGHAI JIAO TONG UNIV
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