44results about How to "Reduce the amount of lead used" patented technology

The invention provides a plate grid of a negative plate for a lead-acid storage battery. The plate grid comprises a tab and a frame, the improvement is that the frame is formed by welding aluminum alloy ribs and a conductive carbon fiber felt, the tab is exposed, the conductive carbon fiber felt is a polyacrylonitrile-based carbon felt, and the gram weight of the conductive carbon fiber felt is 100 to 1520 g/m<2>.mm. The plate grid is few in lead dosage, and is beneficial for weight reduction and environmental protection; particularly during the fabrication of the negative plate, carbon fiber in the conductive carbon fiber felt is in close contact with an active substance, large contact area, low resistance, high utilization rate of the active substance and favorable charging reception are achieved, sulfation is overcome, and the service lifetime of the battery is effectively prolonged.

The invention provides a lead-acid battery grid, comprising a grid main body, bulges which are arranged in arrays are formed on one side of the grid main body, and side-open type through holes are formed between the bulges and the grid main body. The invention also provides a lead-acid battery polar plate which comprises a grid and lead plaster coated on the surface of the grid. The invention also provides a method for preparing the above polar plate grid, comprising the steps of manufacturing a lead belt, rolling belt on the lead belt, punching and deep drawing. The invention can greatly save the use amount of lead, improve the charging receptivity, discharging platform, specific energy and specific power of the polar plate; the method provided in the invention is simple, and the manufactured polar plate grid has high quality, thus being capable of realizing continuous and high-yield production of the polar plate grid, reducing bit material remelting consumption of lead, and loweringproduction energy consumption and material oxidation.

The invention relates to a lead-acid storage battery, in particular to a bipolar-plate type unit high-energy lead-acid battery, a high-voltage battery pack formed from the same and a package method of the high-voltage battery pack. The unit high-energy lead-acid battery comprises an electronic conductor bipolar plate, wherein a positive active material layer and a negative active material layer are respectively coated on two surfaces of the electronic conductor bipolar plate and are the same active material prepared by taking lead sulfate as main, and a batter partition plate is laid on the active material layer on one surface. After the unit battery disclosed by the invention is adopted to package batteries stacked in series, the battery with high voltage, low internal resistance and long cycle lifetime is easy to achieve, meanwhile, the production process of the battery is simplified, and the production cost is reduced.

The invention discloses a lead-acid storage battery polar plate grid, which comprises a grid body, wherein the grid body is formed by a carbon fiber material, positive lead paste is coated on the grid body to form a positive plate; and negative lead paste is coated on the grid body to form a negative plate. The polar plates and polar clusters are connected in a tightening way without use of lead, copper wires are lead out to form a positive electrode and a negative electrode, so that the lead consumption for the storage battery is less, the lead can be saved about 40 to 60 percent compared with that of the traditional lead-acid storage battery; and moreover, in the entire production process, the lead melting steps are reduced, the lead emission is greatly reduced, and the environmental pollution caused by the lead in the production process can be further reduced.

The invention relates to the technical field of chemical power supply materials and in particular relates to a welding-free storage battery and a production method thereof. A continuous type welding-free lead storage battery pole group comprises continuous type positive electrode plates, continuous type negative electrode plates, a single-body-spanning connection sheet, a continuous type bipolar pole plate and a separation plate, wherein the continuous type bipolar pole plate is composed of the continuous type positive electrode plates, the continuous type negative electrode plates and the separation plate, which are inserted and matched. According to the welding-free storage battery provided by the invention, an integrated continuous design is carried out on the lead storage battery polegroup and a welding procedure of a plurality of pieces of the positive electrode plates or negative electrode plates in a pole plate group during a storage battery production process is eliminated; aserial and parallel connection welding procedure of bridge-spanning welding, wall-penetrating welding and the like of a plurality of single bodies of the storage battery is also eliminated. Therefore,the use amount of lead of the storage battery is reduced and sheet falling and missing welding phenomena do not happen between the pole plate group of the storage battery and the single bodies; the product quality and reliability of the storage battery are effectively improved.

The invention discloses a lead-acid battery for an electric moped. The lead-acid battery comprises a battery case and multiple pole units. Baffle plates are arranged in the battery case and divide the battery case into multiple side-by-side battery single cells. Each one of the multiple pole units is arranged in corresponding one of the multiple side-by-side battery single cells. The lead-acid battery can effectively reduce a lead use amount of a grid and a lead use amount of a bus-bar and also greatly reduce a product cost.

The invention relates to a production process of a plate grid. Carbon, aluminum or conducting alloy is adopted for manufacturing the plate grid, lead or lead alloy with the thickness of 0.1-2mm is sprayed on the surface layer of the plate grid after the plate grid is formed, the lead layer on the surface and the plate grid are bonded through strong extrusion, or a thin lead plate with the thickness of 0.1-0.8mm is strongly extruded to be clad on the surface layer of the plate grid, so that the lead density on the surface layer can be increased by more than 5 times. The plate grid produced by the production process can be applied to manufacturing of the electrode plate of the storage battery, the traditional thinking that the plate grid is made of pure lead or lead alloy is abandoned, the light conducting inner core is added to improve the performance of the grid plate, the using amount of the lead is reduced, the environment pollution is reduced, the weight of the storage battery can be reduced, and the volumetric specific energy and the discharge capacity of the storage battery can be increased.

There is provided an enhanced brightness light emitting device, comprising a light emitting element, and a transparent encapsulation layer which encloses the light emitting element. The transparent encapsulation layer includes a resin and a fluorescent material selected from a non-aromatic fluorescent material, an aromatic fluorescent material, and a non-aromatic fluorescent material containing silicon.

A method for adjusting a printing head usage amount of a 3D printer and a control device are provided. The method is adapted to control the control device of the 3D printer. The method includes following steps. At least one printing head of the 3D printer is divided into a plurality of sections. An accumulated printing point number of each of the sections is obtained. At least one specific section used for printing a 3D object is selected from the sections according to the accumulated printing point number of each of the sections. The method for adjusting the printing head usage amount of the 3D printer and the control device can avoid excessively high usage amount of some nozzles.

The invention discloses an assembly method of a carbon fiber composite storage battery. The assembly method comprises the following steps of: preparing a connecting piece, and connecting the connecting piece, wherein the connecting piece is prepared from a carbon fiber composite and the connection of the connecting piece is formed by adopting ultrasonic waves to weld. According to the assembly method disclosed by the invention, the defects of the traditional lead-acid battery can be overcome, and the carbon fiber composite is adopted for replacing lead to manufacture a tab, a binding post and a busbar/span bridge, so that the using quantity of the lead is reduced; and the connection of the connecting piece adopts an ultrasonic wave welding process to replace a gas soldering process of acetylene and oxygen, so that the environmental pollution in a welding process is reduced, the working environment is improved and the physical health of workers can be protected.

An H-shaped cylinder structure for external work output connection of a turbo expander belongs to low temperature equipment. The H-shaped cylinder structure comprises a cylinder, wherein a first matched connection flange and a second matched connection flange are respectively formed at two ends of the cylinder; a first bearing fit cavity and a second bearing fit cavity are formed in the middle of the first matched connection flange and the second matched connection flange; a first oil inlet connector and a second oil inlet connector are arranged on the cylinder and face to one end of the first matched connection flange and one end of the second matched connection flange; a first air inlet connector and a second air inlet connector are arranged on the cylinder and face to one end of the first matched connection flange and one end of the second matched connection flange; a first vibration measurement probe, a second vibration measurement probe, a third vibration measurement probe and a fourth vibration measurement probe are arranged on the cylinder and face to one end of the first matched connection flange and one end of the second matched connection flange; a first temperature measurement connector and a second temperature measurement connector are arranged on the cylinder and face to one end of the first matched connection flange and one end of the second matched connection flange; and a rotating speed measurement connector and an oil outlet connector communicated with a cylinder cavity are arranged on the cylinder. The H-shaped cylinder structure has the advantages of being convenient to assemble and maintain and high in universalization degree, saving materials, reducing difficulties of mold design and reducing using quantity of molds.

Provided is an innovative belt-shaped lubricating material for dry wiredrawing which not only can be used under severe wiredrawing processing conditions such as those of high temperature/high pressure/high speed as well as conventional powdered or granular lubricants for dry wiredrawing but also can cope with diameter reduction to a wide range of wire diameters ranging from a small diameter to a large diameter and a wide range of linear speeds ranging from a low speed to a high speed, has excellent functionalities such as lubricity, followability, spreadability, adhesiveness, heat resistance, processability, workability, safety, durability and productivity irrespective of a processed shape, is effective in improving work environments and is friendly to the global environment.

The belt-shaped lubricating material for dry wiredrawing includes a film containing 10 to 90% by weight of a metal salt of a saturated fatty acid and 10 to 90% by weight of a thermoplastic resin.

The invention relates to a novel light-weight lead-acid power battery grid; the novel light-weight lead-acid power battery grid is characterized in that the grid is composed of tab 1, a frame 2, transverse ribs 3 and vertical ribs 4, wherein the tab 1 is positioned at the edge of one side of the frame 2; and the vertical ribs 4 and the transverse ribs 3 are vertically interlaced and combined to form a longitudinal rectangular mesh, wherein the distance between the transverse ribs 3 is 1.5-2.0 times of the distance between the vertical ribs 4, and the number of the vertical ribs 4 is 2-3 timesthat of a traditional grid. The grid can be used for preparing a power lead-acid battery, a lead-carbon battery and the like with high rate, high energy density and long cycle life and capability of improving current convergence, so that the current transmission distance is shorter, the ohmic voltage drop on a polar plate is reduced, the grid is safer, and the grid is suitable for popularization and application.

The invention relates to a production method for a clinker used in an alumina sintering method, and relates to the improvement on a sintering method by using Bayer process red mud to blend. The production method is characterized in that the production process comprises the following steps: (1) dehydrating Bayer process red mud to obtain dehydrated filter cake slurry; (2) performing dry grinding on limestone or lime, ore and anthracite coal to obtain a fine power material, and drying the fine power material; (3) uniformly mixing the red mud filter cake slurry, the fine power material obtained through dry grinding, and soda to obtain a raw material; (4) making the prepared raw material into raw material balls, drying and preheating; (5) adding the dried and preheated raw material balls into a rotary kiln to be sintered to produce the clinker. Through adoption of the production method, the number of used large-scale equipment in a wet method blending process can be greatly reduced, the qualification rate of ingredients of the raw material is increased, the heat utilization in the sintering process is improved, flue gas waste heat is fully utilized, physical and chemical quality and the like of the clinker are improved, the consumption of burning coal in the kiln is reduced by about 20% or above, and the productivity of the kiln can be increased by about 20% or above.

A peacetime and war time integral camping troop crawler belongs to the technical field of vehicles, and comprises a walking chassis, a vehicle head connected with the walking chassis and a compartment arranged on the walking chassis; the cavity of the compartment is internally provided with hinged seats, and the seats are converted to camping seat beds by match with seat backrests; the peacetime and war time integral camping troop crawler is characterized by also comprising a compartment floating ceiling and a floating ceiling drive mechanism; the compartment floating ceiling is matched with the compartment; the floating ceiling drive mechanism is arranged on the compartment floating ceiling; the cavity of the compartment is internally provided with a middle layer camping mechanism; a top layer camping mechanism is arranged above the middle layer camping mechanism; when the compartment floating ceiling moves down to a state of being closed with the compartment body of the compartment, the camping space formed between the top layer camping mechanism and the compartment floating ceiling disappears, and when the floating ceiling drive mechanism drives the compartment floating ceiling to move upwards, the clamping space between the top layer camping mechanism and the compartment floating ceiling is established. The peacetime and war time integral camping troop crawler can meet the double requirements of sitting and camping along with the vehicle, camping staff are increased, the airtightness and camping environment are good, and the use quantity of the vehicle is reduced.