86results about How to "Friendly working environment" patented technology

The invention discloses an automatic rail deviation correction device and automatic rail deviation correction method for an AGV trolley. The automatic rail deviation correction device is composed of an infrared sensor, an ultrasonic sensor, a binocular vision sensor, left and right electromagnetic sensors, an alarm device, a printed circuit board, a microcontroller, a wireless information transmission module, a power source module, a motor driver, a memory, and an AGV automatic control system. The microcontroller is configured to identify a magnetic track landmark based on an image acquired bythe binocular vision sensor, analyze the magnetic track direction based on the magnetic track landmark, and send a corresponding instruction to the motor driver to carry out trolley deviation correction. According to the invention, the automatic people avoidance and alarming as well as automatic rail deviation correction function of the SGV trolley is realized; the human-machine friendly workingenvironment is created; the staff is protected from being injured; and the production efficiency of the AGV trolley is improved.

The invention discloses a method for recovering valuable metals from silver-zinc slag. The method is characterized in that the method comprises the following steps: carrying out oxidation leaching of the silver-zinc slag by adopting a NaClO3-NaCl-HCl system through a pre-leaching and leaching stage countercurrent extracting technology; allowing base metals comprising bismuth, zinc and the like to enter a solution, carrying out hydrolysis precipitation to obtain bismuth oxychloride, and precipitating a zinc chloride solution with soda ash to obtain basic zinc carbonate; and enriching gold and silver in slag, and extracting. The method has the advantages of reasonable technology, short and feasible flow, high metal recovery rate, good comprehensive recovery and substantial economic benefit.

The invention relates to the technical field of metal component additive manufacturing, and discloses a metal component optimization method based on additive process forming and forming equipment withthe same. The metal component optimization method comprises the following steps that a metal component prepared by an additive process is arranged, and a cladding layer is arranged on the metal component; ultrasonic rolling treatment is performed on the cladding layer; and a pulse current is applied to the metal component. According to the method and the equipment, an internal structure of the metal component can be regulated, the defects of holes, microcracks and the like can be reduced, the compactness of a base body can be improved, the stress state of the component is regulated, the surface quality, the precision and the stability of the metal component are improved, the comprehensive service performance of the metal component, such as the surface hardness, the wear resistance, the fatigue resistance and the corrosion resistance, can further be improved, extra heat treatment is not needed, and the metal component optimization method based on the additive process forming and the forming equipment with the same have the advantages of being efficient, stable in the process, safe, reliable, friendly in working environment, energy-saving, environmentally friendly, green and pollution-free and the like.

The invention discloses a high-speed environment-friendly chemical copper plating solution, which relates to a chemical copper plating solution and solves the technical problem of low copper plating speed of the conventional chemical copper plating solution. The high-speed environment-friendly chemical copper plating solution consists of copper sulfate, sodium hypophosphite, guanidine monohydrochloride, a catalyst, a combined coordination agent, a combined stabilizing agent and water, wherein the catalyst is metal salt containing nickel, cobalt and iron; the combined coordination agent consists of iminodiacetic acid, dimethyl hydantoin and potassium sodium tartrate, the mass ratio of the dimethyl hydantoin to the potassium sodium tartrate is 1:(2-3), and the mass ratio of the dimethyl hydantoin to the iminodiacetic acid is 1:(7-8); and the combined stabilizing agent consists of thiocarbamide and 2,2'-bipyridyl in the mass ratio of 1:(5-6). In the invention, the plating solution has the chemical deposition speed of 10 to 40 micrometers/hour, and can be used for chemically plating copper on the surfaces of matrixes such as printed circuit board holes, ceramics, plastics and the like.

The invention relates to a light thermal insulation coating, which is characterized by consisting of refractory cellucotton, aluminate cement, flint clay powder, micro-porous light mullite powder, clay and solid water glass powder, wherein the materials are stirred by adding water and then subjected to coating construction. The light thermal insulation coating is characterized by comprising the following coating raw materials in percentage by weight: 15-30 percent of refractory cellucotton, 15-20 percent of micro-porous light mullite powder, 20-30 percent of aluminate cement, 10-20 percent of flint clay powder, 3-10 percent of clay and 3-6 pecent of solid water glass. The proportioned mixture is uniformly stirred, 20-45 percent of water is added, the mixture is stirred to a proper state to perform coating construction, and the materials are adhered to a construction body. The light thermal insulation coating has the advantages of good thermal insulation effect, high extreme cold and heat resistance, easiness in improvement on strength and coating, friendliness to operation environment, manual direct coating, high adhesion and capability of being constructed on a wall surface and a steel plate without an anchor member at any angle.

The invention provides an angle-adjustable multilayer linear vibrating screen for engineering plastic granules. The angle-adjustable multilayer linear vibrating screen comprises a mounting base, wherein one side of the mounting base is connected with a sieve body through two return springs; the other side of the mounting base is connected with the other end of the sieve body through two springs with adjustable heights; a vibration exciting plate with an angle of 45 degrees with the bottom of the sieve body is arranged at the central position of the bottom of the sieve body; a vibration exciterfor striking the vibration exciting plate is arranged on the mounting base; the upper part of the sieve body is provided with a feeding inlet; and the bottom of the inclined side is provided with a discharging outlet. According to the invention, , the vibration excitation in two directions is realized by only one vibration exciter; the equipment is simple in structure, more energy-saving and environment-friendly.

A method for converting solid lead chloride into lead oxide is characterized by comprising the following steps: (1) placing solid lead chloride and calcium oxide according to a liquid-solid ratio of 4-7:1 into a conversion tank with a stirrer to perform a first step conversion; and (2) reacting basic lead chloride PbOHCl generated in the first step conversion with sodium hydroxide solution to perform a second step conversion and further to generate solid lead oxide and a secondary conversion liquid. According to the method, the wet-process metallurgy technology is employed for converting lead chloride into lead oxide, lead oxide subjected to purification can be used as a chemical product, also can be used to prepare lead acid batteries, and also can be further processed into metallic lead.

The invention discloses a comprehensive utilization method of iron, heat and slag of converter slag and desulfurization slag. The comprehensive utilization method comprises the steps of reducing and smelting the liquid converter slag, the hot desulfurization slag, a carbonaceous reducing agent and silicon-containing raw materials to obtain reduced molten iron and reduced slag with a Tfe content of less than or equal to 4% and alkalinity of 1.2+/-0.2, increasing an initial temperature of greater than or equal to 1000 DEG C to a final temperature of 1530+/-10 DEG C at a rate of 4-5 DEG C/min during reduction and smelting, enabling a ratio of the total mass of the liquid converter slag and the hot desulfurization slag to the mass of the carbonaceous reducing agent to the mass of the silicon-containing raw materials to be 100:(7-13):(17-23), recovering the generated heat and coal gas to obtain qualified coal gas, performing water quenching on the reduced slag to form water granulated slag, performing dephosphorization converter smelting after performing dephosphorization on the reduced molten iron to obtain dephosphorized molten steel and dephosphorized slag, and performing slag hot disintegration, magnetic separation, crushing and screening on the dephosphorized slag to obtain dephosphorized tailings and slag steel. The method solves the problem of comprehensive utilization of the iron, heat and slag of the converter steel slag and the desulfurization slag.

The invention mainly relates to a method for preparing a carbon fiber composite material by taking a turning material of a carbon/carbon composite material as a main raw material and commercial chopped carbon fibers as a reinforcing phase, mainly aiming at the problems of resource recovery and reutilization in the production process of the carbon/carbon composite material. According to the method, turning materials and leftover materials generated in the workpiece turning process serve as main raw materials, the raw materials are subjected to pretreatment modification, wet mixing, drying, cold press forming, heat treatment and the like, the carbon/carbon composite material with high mechanical performance is prepared, and the material has wide application in the photovoltaic field, the heat treatment field, the friction field and the like. According to the invention, the effective utilization of resources is realized, the production cost is reduced, the solid wastes generated in the production process are effectively reduced, and the problem of environmental pollution is also well improved.

The invention belongs to the technical field of the sealing of a rubber device, and relates to a novel internal mixer rotor sealing device. A threaded shaft sleeve fixedly sleeves a rotor shaft, one end of a shell is fixedly connected to the outer wall of an internal mixing chamber, the other end of the shell is fixedly butt-jointed to an end cover, a first pole shoe and a second pole shoe are fixed on the wall of an inner cavity of the shell, and a permanent magnet is installed in a space between the two pole shoes in an embedding manner; a second O-shaped sealing ring and a first O-shaped sealing ring are respectively arranged on the junctions between the inner cavity wall of the shell and the two pole shoes, a clearance between each pole shoe and the outer wall of the threaded shaft sleeve is filled with a magnetic medium; a cooling passage with a liquid inlet and a liquid outlet in two ends is formed in the inner cavity of the shell, a second sealing cover plate and a first sealing end cover are respectively welded on the cooling passage on the end, which is butt-jointed with the outer wall of the internal mixing chamber, of the shell and the end, which is butt-jointed with the end cover, of the shell, and an end flange and a fixed flange are welded on the periphery of the shell. The novel internal mixer rotor sealing device is simple in structure, novel in design, high in operability, good in sealing effect and long in service life.

The invention relates to automatic printing equipment, in particular to a continuous automatic printing equipment which comprises a rack (1), a supportive plate (8) fixedly linked in the rack (1), an printing ink box (7) arranged on the supportive plate (8) and an automatic feeding mechanism (6). The automatic printing equipment further comprises a printing brush transmission mechanism (3) and a printing transmission mechanism (4), a printing box (5) arranged on the upper surface of the printing transmission mechanism (4) and a printing brush mechanism (2) hinged on the printing brush transmission mechanism (3), wherein both the printing brush transmission mechanism (3) and the printing transmission mechanism (4) are arranged on the supportive plate (8). With the continuous automatic printing equipment, patterns can be continuously printed on surfaces of an eraser and the like. The continuous automatic printing equipment is compact in structure, capable of automatically stacking and printing, free of printing impact, high in production efficiency, stable in product quality, free of manual printing ink applying, clean, hygienic and working-environment-friendly.

The invention relates to a coal seam roof aquifer ground advanced pre-drainage method. The method comprises the steps that a ground multi-branch updip horizontal well is constructed, and each branch hole of the updip horizontal well penetrates through an enriched water area of a roof aquifer; a large-diameter drainage well leading to the enriched water area of the roof aquifer is constructed, and the large-diameter drainage well is in communication with the updip horizontal well; and a drainage device is put into the large-diameter drainage well, and drainage treatment is conducted through the drainage device. The method can overcome the defects of the existing coal seam roof water disaster treatment technology, can completely remove hidden dangers of the coal seam roof aquifer to be mined before a regional coal mine is not well-built, guarantees that no roof water disaster influence exists in the whole coal mine from well building to well shut-in, and realizes safe, efficient and continuous coal seam mining.

The invention relates to a surface passivating treatment method of a spinel type manganese-based positive pole material, which is characterized by comprising the following steps: (1) soaking spinel type manganese-based positive pole material powder in a strong acid solution to carry out acid treatment; (2) repeatedly cleaning the material subjected to the acid treatment in water until the pH value of water ranges between 7 and 8, then filtering out, and drying; (3) carrying out heat treatment on the dried material, and cooling to obtain the spinel type manganese-based positive pole material subjected to surface passivating treatment. By soaking the spinel type manganese-based positive pole material in the acid solution, Ni ions, Mn ions and other ions which are soluble in the surface of the positive pole material are removed; and through the heat treatment, an even passivation layer is generated on the surface of the positive pole material, thereby effectively preventing the electrolyte from corroding the positive pole material, inhibiting the dissolution of Ni and Mn ions in the positive pole material in the high-temperature cyclic process, and improving the high-temperature cyclic performance of the spinel type manganese-based positive pole material. Besides, the invention has low requirement for equipment, is non-poisonous and harmless to human bodies and is friendly to working environment.

The invention discloses pruning and fixed-length pretreatment equipment for a folding fan bamboo material, and belongs to the field of mechanical automation equipment. The pruning and fixed-length pretreatment equipment is characterized by comprising a bamboo material conveying device, a bamboo material fixing device and a branch knot removing linear cutting tool. Due to the growth characteristics of bamboos, branch knots can only grow in the positions of bamboo knots; the equipment can clamp the middle of the bamboo material, then the bamboo material is rotated through a reversing motor, and thus the branch knots at the two ends of the bamboo material can be processed. The technique is simple, and processing reliability and precision are both excellent.

The invention discloses a back-and-forth scraping and brushing type large pig raising system. The back-and-forth scraping and brushing type large pig raising system comprises a pig farm, a material collecting chamber, a pump, a linear motor, a conveying belt, a material stirring chamber, a first stirring device, a second stirring device, a material receiving device and a second treatment chamber,wherein the pig farm comprises a feeding farm, a first base plate is paved in the feeding farm, pigs are raised on the first base plate, a movable transverse moving table is arranged on the feeding farm, a sweeper is arranged on the transverse moving table, the bottom of the material collecting chamber is connected with the pump through a feeding pipe, an outlet of the pump is connected with a discharging pipe, the end of the discharging pipe is connected to the linear motor, and the material stirring chamber, the linear motor, the first stirring device and the second stirring device are distributed along the conveying belt from front to back, a material baffle in clearance fit with the conveying belt is arranged on the lower portion of the conveying belt, the material receiving device isarranged below the material baffle, and the second treatment chamber is arranged below the material receiving device. The pig farm can be swept by only one person, excrement of pigs is automatically treated subsequently, the whole process is time-saving and labor-saving, the working efficiency is high, and the economic benefit is good.