52results about How to "Physical health injury" patented technology

The invention relates to an electrolytic manganese slag processing method, in particular to an electrolytic manganese slag comprehensive utilization process. The method recovers the recyclable materials in electrolytic manganese slag through repeated water washing and filtering. The method can solve the air pollution source, particularly eliminate the water pollution source, and protect people health from being damaged. The method can extract higher-value chemical products through the scientific flow, and make the residuary filter residue into building products, thereby effectively utilizing the resource. Zero discharge is realized during the overall process of the technical proposal of the method, and because no additional chemical substances are added, additional environmental pollution can not be caused.

The invention relates to a polymer material for quickly repairing cracks of an asphalt pavement and a preparation method thereof. The polymer material is prepared by mixing two components A and B and quickly solidifying the mixed components, wherein the component A comprises the following ingredients in parts by weight: 41-60 parts of polyoxypropylene diol N220, 25-20 parts of polyoxypropylene diol N210, 1-0.4 part of carbon black, 2-1 part of a catalyst, 20.5-15.5 parts of glycerol triacetate, 8-1 part of a chain extender, 2 parts of a latent curing agent, 0.5-0.1 part of a BYK-535 defoaming agent and 50-80 parts of water absorbent microcapsules; the component B is 100 parts of polyether urethane prepolymers; mixing the component A with the component B according to the mass ratio of (1.5-1.8) : 1 to solidify so as to obtain the polymer material for quickly repairing the cracks of the asphalt pavement. The non-flowing time of the prepared polymer material is shorter than 5 min at 20 DEG C, and if being applied to repair the cracks of the asphalt pavement, the prepared polymer material can be solidified after 30 min and the asphalt pavement has the transportation service. The asphalt pavement repairing polymer material has a self-repairing function so as to prevent a situation that the repaired pavement is cracked again due to the reduced temperature; the crack repairing process is simple, the repairing speed is high, the construction efficiency is high, the application effect is good, no pollution generates, the production is clean, and the polymer material is green and environment-friendly.

The invention relates to making equipment for spices. The equipment comprises a feeding device, a smashing device and a grinding device, wherein the feeding device consists of a feeding pipeline and a sliding pipeline, a rotating closing plate is arranged on the wall of the sliding pipeline, a permanent magnetic iron remover is arranged on the rotating closing plate, a smashing tank of the smashing device is connected below the sliding pipeline, the lower end of one side of the smashing tank is connected with a grinding tank of the grinding device through a smashing screen and a pipeline, a rectangular hopper is arranged on the inner upper end of the grinding tank, two grinding rolls are arranged below the hopper, arc-shaped grinding screens are arranged inside the grinding tank and below the two grinding rolls, a motion shaft is arranged on the grinding tank in a penetrating manner, a plurality of grinding discs are arranged on the motion shaft, and a material storage tank is arranged on the outer side of the grinding tank and below the arc-shaped grinding screens. The making equipment is simple in structure and reasonable in design, materials are evenly ground, and no spicy flavor is generated to cause harm to the health of working staffs.

The invention discloses pipe corner cutting equipment for furniture production. The pipe corner cutting equipment comprises a platform, four supporting legs are fixedly installed at the bottom of the platform, the four supporting legs are symmetrically arranged in pairs, a vertical plate is fixedly installed at the top of the platform, and two first mounting holes are formed in one side of the vertical plate. The pipe corner cutting equipment is reasonable in design and good in practicability, pipes with different sizes can be stably clamped, the inclination angle of the pipes can be adjusted, the pipes can be conveniently subjected to corner cutting processing, integrated processing of corner cutting of the pipes and grinding and polishing of cut portions of the pipes can be realized, the working time and the labor amount of workers are saved, the operation steps are reduced, the working efficiency is improved, in the process of corner cutting and grinding and polishing of the pipes, a good dust falling and removing function can be fulfilled, the air quality around the working environment is effectively improved, the working environment is prevented from being sanitary and dirty, and the health of workers cannot be damaged.

The invention belongs to the technical field of highway crack repair materials and preparation methods thereof, and mainly solves the technical problems that the existing materials used for repairing pavement cracks easily cause pavement crack protrusion, the material strength is low, the elongation at break is low, the permeability is low, the environment is polluted, the curing time is long and the pavement binding property is poor. The material is formed by a component A and a component B through curing. The component A comprises 30 to 65 parts of polyoxypropylene diol N220, 40 to 25 parts of polyoxypropylene diol N210, 12 to 5 parts of amino-terminated polyoxypropylene ether D2000, 8 to 2 parts of carbon black, 7 to 2 parts of titanium dioxide and 3 to 1 parts of catalyst; the component B comprises 171.4 parts of polyether polyurethane prepolymer and 28.6 parts of di 2-ethyl hexyl phthalate and the like; after the component A and the component B are mixed according to a mass ratio of 1:1, the immobilization time of mixture is shorter than or equal to 8min under 25DEG C, the curing time is shorter or equal to 90min and the road can be opened to traffic after curing.

The invention relates to a method for separating and purifying various components from a cefaclor enzymatic reaction solution, and the method comprises the following steps of: (1) recovering an unreacted mother nucleus 7-ACCA from the cefaclor enzymatic reaction solution by adopting an acid precipitation method; (2) separating and purifying cefaclor by adopting macroporous adsorption resin; and (3) separating and purifying D-phenylglycine by adopting cation exchange resin. The method disclosed by the invention can be used for separating and purifying the unreacted mother nucleus 7-ACCA, the product cefaclor and the by-product D-phenylglycine from the reaction solution used for enzymatically synthesizing the cefaclor, sufficiently utilizes the raw materials and reduces the production cost; and products obtained by adopting the method disclosed by the invention are high in yield purity and suitable for popularization and usage.

The invention provides a manufacturing method of a green and healthy spiced dried bean curd, and belongs to the technique field of food preparation. The manufacturing method comprises the following steps: cutting the dried bean curd into pieces, putting the pieces into a frying pan, frying till the pieces are golden, taking out and airing, putting the fried dried bean curd into a pan, putting a pot-stewed package in which star anises, peppers are packed, pouring dark soy sauce and water, braising with moderate heat, sparing after evaporating juice, heating up a little oil, putting in dried chilis, chili peppers, minced garlic and stir-frying until fragrancy is obtained, adding a right amount of water, salt and light soy sauce, boiling, adding the dried bean curd in the last process, and evaporating juice over high heat. By adopting the manufacturing method provided by the invention, because of no aromatic chemicals and synthetic dyestuff exist, the produced spiced dried bean curd which does not harm to any other adverse health effect in humans is an essential snack food for both young and old in daily life, and people can rest assured to eat.

The invention discloses a device maintenance platform for computer maintenance. The device maintenance platform for computer maintenance comprises a pedestal, a first electric sliding rail is fixedlymounted at a top part of the pedestal along a left-right direction, and a first sliding block is cooperatively mounted at the top part of the first electric sliding rail; a first electric telescopic rod, of which a motion bar is upward, is fixedly mounted at the top part of the first sliding block; and a horizontal first baffle is fixedly mounted at an upper end of the motion bar of the first electric telescopic rod, an upper side of the first baffle is provided with a box body of which a lower end is opening, and the first baffle can completely block an opening of the lower end of the box body. Since all processes of dust removal of a mainframe are completed in the box body, and meanwhile, an air pump performs continuous air feeding for a second barrel body, a piston block is pushed to drive an L-type tube to move rightwards at the upper side of the mainframe and inside of the second barrel and inside of the L-type tube are continuously pressurized, the L-type tube quickly jets air while moving leftwards so as to perform all-sided dust removal treatment for the mainframe, and a dust absorbing apparatus at a right side of the L-type tube continuously performs left-right reciprocating motion to realize that dust in the box body is absorbed more completely and is not liable to be left over.

The invention discloses a production method of a magnesium alloy etching plate by using a protective film instead of back anticorrosion paint. The method includes the steps of: cutting or sawing a magnesium alloy etching plate base material and successively performing aging, sanding and/or polishing treatment, cleaning and drying treatment for the first time, surface treatment of front surface, cleaning and drying treatment for the second time, sun-drying or drying for the third time, photosensitive ink coating on the front surface, baking and standing treatment, covering of a whole shading film on the front surface and covering of a protective film on the back surface, thus producing a finish product of the magnesium alloy etching plate. The magnesium alloy etching plate base material isAZ31B magnesium alloy and the protective film is a single-surface-glued plastic thin film. The production method reduces the sun-drying times, roll-coating of the back paint and drying steps, shortensproduction time and increases production efficiency, reduces investment on manpower and equipment, reduces environment pollution, is energy-saving and environment-protective, and has great social andeconomic benefits.

The invention relates to the technical field of peanut harvesting mechanical equipment, in particular to a low-dust ensiling peanut combine harvester. The low-dust ensiling peanut combine harvester comprises a chassis; an engine is mounted at the rear end of the chassis; a cab is fixed to the upper portion of the front end of the chassis; a seedling cutting ensiling device is arranged at the foremost end of the chassis; an excavating and conveying device is arranged at the lower middle part of the chassis; a fruit picking and cleaning device is arranged at the upper middle part of the chassis;the fruit picking and cleaning device is provided with a fruit collecting box; and a first conveying channel and a second conveying channel are vertically fixed to the inner back end and the inner front end of the chassis. The harvester is reasonable in design and simple to operate; under the mutual cooperation of a fan and an ensiling box, flying dust can be greatly reduced and the situation that the atmospheric environment is damaged by the flying dust is avoided; a series of functions of seedling cutting and collecting, digging and soil loosening, conveying and soil removing, fruit picking, tail removing, cleaning and the like of peanuts can be achieved; and a fruit picking roller can perform fruit picking on different peanut varieties by replacing fruit picking teeth, so that the application range is wide.

The invention provides a preparation method of environment-friendly and healthy preserved plum dried beancurds, and belongs to the technical field of food preparation. The preparation method of environment-friendly and healthy preserved plum dried beancurds comprises the following steps: putting preserved plums, myrcia, anise, cinnamon and foeniculum vulgare into a braised food bag for preservation; cutting white beancurds into pieces, putting into an oil pot, frying to be golden yellow, fishing out, and removing redundant oil content for standby; remaining less amount of oil in the pot, heating, putting dark soy sauce, light soy sauce and rock candies, and boiling with big fire; putting the fried beancurds into the pot, carrying out stir-frying, and wrapping soup on the beancurds; pouring cleaning water overflowing beancurds, putting the braised food bag filled with preserved plums, myrcia, anise, cinnamon and foeniculum vulgare, boiling with big fire, and then boiling with soft fire for 1 hour above; boiling with big fire after the soup becomes thick, stirring along one direction until the soup becomes dry. The preserved plum dried beancurds prepared by adopting the preparation method of the preserved plum dried beancurds, which is provided by the invention, cannot hurt health of people because synthetic essence and synthetic dyestuff are not contained, can be eaten by people at ease, and are necessary leisure food for the aged and the young in daily life.

The invention belongs to the technical field of paint materials, and particularly relates to anti-rust paint for electrical equipment. The anti-rust paint is prepared from the following components ofwater-base resin, modified water-soluble silica sol, zinc oxide, talcum powder, sericite, zinc phosphate, barium sulfate, a thickening agent, a flatting agent, pigment, a defoaming agent and deionizedwater. The water-base resin is water-base anionic acrylic resin emulsion; and the water-soluble silica sol is modified by adding nano carbon powder and iron oxide and adopting a mix heating mode. Thecomponents of the anti-rust paint need to be ground and refined after being mixed and dispersed, so that the paint material is more uniform and finer, a protection layer generated after the paint issprayed is more stable and compact, and the protection performance of the paint material is improved. The anti-rust paint has the advantages of excellent oxidation resistant and corrosion resistant properties, free of toxicity and harm, and low production cost.

The invention discloses a saw dust collecting device for wood cutting, and belongs to the field of saw dust collecting. The saw dust collecting device for wood cutting comprises a bottom plate. The outer walls of the top of the bottom plate are fixedly connected with supporting rods and baffles correspondingly. The outer walls of the tops of the supporting rods and the baffles are all connected with a top plate. The top of the bottom plate is further provided with fixed plates. The top of each fixed plate is provided with an arc groove. A workbench is rotationally connected into each arc groove through a rotating shaft. A limiting frame is arranged on the top of each workbench. A through hole is further formed in each workbench. A push plate is arranged on the outer wall of a sleeve. The end, away from the sleeve, of the push plate is slidingly connected with a push rod. The bottom of each workbench is provided with a driving part for driving the push rod to move. A collecting cavity is formed among the two fixed plates, the baffles and vertical plates. The outer walls of the vertical plates are further provided with rotary doors. The saw dust collecting device is convenient to operate, can conveniently collect saw dust, reduces labor intensity, improves work efficiency, ensures the cleanliness of the working environment and cannot cause harm to physical health of operators.

The invention relates to a water-based grinding fluid special for hard alloy. The water-based grinding fluid comprises the following components: 13.0-18.0% of polyethylene glycol-400 or polyethylene glycol-600; 5.0 to 8.0 percent of fatty alcohol polyoxyethylene ether or alkylphenol polyoxyethylene ether; 6.0 to 10.0 percent of triethanolamine borate; 6.0 to 9.0 percent of dodecanedioic acid; 4.0 to 6.0 percent of sodium oleate soap; 0.25 to 0.5 percent of benzotriazole or methyl benzotriazole; 3.0 to 5.0 percent of sodium hydroxide; 1.0 to 2.0 percent of an organic silicon defoaming agent; 0.1 to 0.5 percent of anionic polyacrylamide; and the balance of water. The invention also relates to a preparation method of the grinding fluid. The grinding fluid is green and environment-friendly water-based grinding fluid, has excellent lubricity, cooling property, anti-rust property and cleaning property, can effectively inhibit leaching of cobalt in hard alloy, and is long in service life.

The invention relates to an allicin respiratory therapeutic instrument. The allicin respiratory therapeutic instrument comprises a shell, a partition piece is fixedly connected in the shell, the internal space of the shell is divided by the partition piece into a first chamber and a second chamber, and the second chamber is internally provided with a humidification bottle used for containing a liquid allicin preparation. The humidification bottle is connected with one end of a first pipeline, the other end of the first pipeline stretches out of the shell, the humidification bottle is connectedwith an air pump in the first chamber through a second pipeline, and an air inlet is formed in the shell wall of the portion, where the first chamber is located, of the shell. The allicin respiratorytherapeutic instrument is simple in structure, convenient to use and good in treatment effect.