37results about How to "Harm will not" patented technology

The invention discloses a polyolefine sheathing compound for a coaxial cable and a preparation method thereof. The sheathing compound consists of the following components in parts by weight: 60-90 parts of ethylene-propylene-diene rubber, 5-25 parts of high-density polyethylene, 5-15 parts of functional polyolefin resin, 180-200 parts of flame retardant, 1-3 parts of surface modifier, 0.01-0.05 part of crosslinking agent, 0.5-2 parts of antioxidant and 1.5-9 parts of processing aid. The preparation method comprises the following steps of: putting the flame retardant into a high-speed stirrer for stirring at a high speed at the temperature of not lower than 80 DEG C; adding organosilane and stirring for 3-5 minutes; putting the remaining materials into the high-speed stirrer for continually stirring for 3-5 minutes; adding into a double-screw mixing extruder set by using a feeder for pelletizing; and drying. The sheathing compound has the advantages of flame retardance, low smoke, freeness from halogen, low toxicity, freeness from harmful heavy metals such as lead, cadmium and the like, freeness from phosphorus, difficulty in burning and small smog harm in case of fire, environmental friendliness, high temperature resistance level of 105 DEG C, high extruding performance, excellent electric performance, no need of subsequent crosslinking after stranding, saving in a large amount of manpower and materials and great reduction in the manufacturing period of the cable.

The invention provides an innocent treatment method and system for ill and dead animals and unqualified meat products, relates to the field of innocent treatment and aims to solve the problems that resources are wasted in unqualified processing treatment manners of an existing ill and dead animals and unqualified meat products, and the existing ill and dead animals and unqualified meat products have hidden dangers in disease spread and environment pollution. The treatment method comprises the following steps: crushing to-be-treated materials, and cooking and sterilizing crushed blood for 30 minutes at 135 DEG C under the pressure of 0.3MPa; cooking and sterilizing the crushed materials for 30 minutes at 135 DEG C under the pressure of 0.3MPa, carrying out drying and dewatering until the water content of the crushed materials is lower than 15%, carrying out oil-dreg separation, and finally squeezing material dreg after grease is separated, so as to obtain meat and bone meal. The treatment system comprises a crushing device, a sterilizing pot, a cooling device, innocent treatment kettles, an oil-dreg separation device and a squeezing-degreasing device. The innocent treatment method and system can be applied to the recycling and innocent treatment of the ill and dead animals and the unqualified meat products from various sources.

The invention discloses an alkaline detergent for fruit and vegetable and a preparation method thereof, and belongs to the technical field of daily chemical products. The alkaline detergent for fruitand vegetable comprises modified sepiolite, carbomer, sodium chloride, a surfactant, sodium bicarbonate, gellan gum and water, wherein the modified sepiolite is prepared by mixing and dispersing sepiolite powder and a magnesium nitrate solution to obtain a dispersing solution, reacting with ammonium hydroxide used as a precipitator, ageing, concentrating in a pressure reduction manner, cooling, filtering, drying and roasting; when preparing the detergent, carbomer, gellan gum and water are mixed; then sodium bicarbonate is added; pH is regulated; finally the modified sepiolite, sodium chlorideand the surfactant are added; and all materials are mixed and filled to obtain the alkaline detergent for fruit and vegetable. According to the technical scheme, the prepared alkaline detergent for fruit and vegetable has the characteristics of being outstanding in sterilizing and inhibiting bacteria, capable of removing pesticide, and obvious in cleaned fruit and vegetable storing stability by being compared with a traditional detergent for fruit and vegetable.

The invention discloses a high-strength flame-retardant thermal insulation composite building material and a preparation method thereof. The high-strength flame-retardant thermal insulation compositebuilding material is prepared from the following raw materials in parts by weight: 20 to 25 parts of polyethylene resin, 15 to 25 parts of perlite, 10 to 15 parts of light calcium carbonate, 15 to 25parts of aluminate refractory cement, 6 to 10 parts of carbon fibers, 10 to18 parts of methyl methacrylate, 1 to 5 parts of titanium dioxide, 10 to 20 parts of glass fiber powder and 5 to 10 parts ofnanosilicon. Since the invention adopts the raw materials to be combined according to the scientific proportion, the prepared composite material has a good environment-friendly effect, and moreover, since the polyethylene resin, the aluminate refractory cement, the perlite and the light calcium carbonate are adopted, the composite building material does not have harm to the environment, and cannotrelease poisonous substances; in addition, since the flame-retardant thermal insulation composite building material provided by the invention is prepared by the specific component proportion and thespecific method, the flame-retardant property reaches level A, the heat conductivity coefficient reaches 0.026W/m-K or less, and furthermore, the compressive strength reaches 10MPa or above; and the product disclosed by the invention has the characteristics of light volume weight, low heat conductivity coefficient, low density and high strength.

The invention discloses a farm personnel sterilizing device which comprises an ozone generator, a sterilizing cabin and a control device. The inside of the sterilizing cabin is hollow, a door openingis formed in the side wall, a door plate is arranged at the door opening, a separating plate is movably arranged in the sterilizing cabin and divides the inside of the same into a breathing cavity andthe sterilizing cavity, the top of the separating plate is connected with an extensible rod fixedly connected with the top of the sterilizing cabin, a through hole for the head of personnel to penetrate and extend into the breathing cavity is formed in the separating plate, a sealing device for sealing a gap between the neck of the sealing personnel and the inner wall of the through hole is arranged on the side wall of the through hole, a control device is arranged in the sterilizing cavity and electrically connected with the extensible rod and the ozone generator, and the output end of the ozone generator is connected with an air blowing pipe extending into the sterilizing cavity and used for feeding ozone generated by the ozone generator into the sterilizing cavity. The farm personnel sterilizing device is compact and reasonable in structure, small in occupied space, capable of realizing quick sterilizing of personnel going in and out, free of harm to human body and suitable for various farms to use.

The invention discloses a target material cleaning method. The cleaning method is characterized in that a dry ice spray gun group and a cleaning table move relatively, so that a dry ice spray gun completely covers a target material for cleaning. According to the target material cleaning method, dry ice is used for cleaning the target material through cleaning equipment, the target material is completely covered for cleaning, the cleaning time is shortened, and target material oxide is effectively removed.

The invention discloses electronic cigarette tobacco tar taking water matrix atomized liquid. The electronic cigarette tobacco tar is prepared from, by weight, 80-98.5% of water, 0.5-10% of nicotine or tobacco extract and 1-10% of spice, wherein the tobacco extract is a mixture which is extracted from tobacco and at least contains 10% of nicotine; and the perfume is one or a mixture of more than two of natural perfume or artificial perfume. The electronic cigarette tobacco tar taking the water matrix atomized liquid solves the problem of smoking when an electronic cigarette is used, organic solvent matrix atomized liquid and fine smoke particles cannot be inhaled, and environmental pollution and harm to human health are reduced.

The invention discloses pollution-free insecticide for Chinese herbal medicine planting. The pollution-free insecticide is composed of, by mass, 30-40 parts of garlic, 30-40 parts of chilli, 10-20 parts of pyrethrum extract, 15-25 parts of fructus cnidii, 30-40 parts of sapindus mukorossi, 20-30 parts of herba houttuyniae, 20-30 parts of orange peel, 20-30 parts of anise, 10-20 parts of pepper, 10-20 parts of datura stramonium, 10-20 parts of pumpkin leaf extract, 10-20 parts of folium artemisiae argyi, 20-30 parts of bitter gourd, 10-20 parts of celery extract, 10-20 parts of camphor leaf extract, 10-20 parts of radix bupleuri and 300-400 parts of water. Plants are taken as raw materials for production, so that the pollution-free insecticide is free of side effect on and nontoxic to humanand livestock and can kill pest on Chinese herbal medicine plants; the raw materials are easy to get, so that the pollution-free insecticide is low in raw material cost and harmless to environment; the preparation process is simple in operation and easy in production, and no damage is caused to environment and operating personnel during production.

The invention belongs to the technical field of cigarette filter rods, and specifically relates to a pure fluff pulp cigarette filter rod and a preparation method thereof. A filter element of the pure fluff pulp cigarette filter rod consists of 60 to 90 mass percent of fluff pulp and 10 to 40 mass percent of cured binding agent. The pure fluff pulp cigarette filter rod is prepared by adopting pure fluff pulp as a raw material, has strong filtering and absorptive capacity, can reduce the tar content very well to reduce harms caused by cigarettes to a human body; besides, the pure fluff pulp cigarette filter rod can be degraded naturally after being used and cannot cause harms to the environment.

The invention discloses an alkali-free concrete accelerator based on magnesium carbonate trihydrate, and a using method thereof, and belongs to the technical field of accelerators. The accelerator component is magnesium carbonate trihydrate and accounts for 50-80% of the total amount of the accelerator, and the total doping amount of other raw materials is 20-50% of the total amount of the accelerator. The accelerator is free of alkalis and chlorine, and has little influence on the environment and personnel when in use; the accelerator has a remarkable coagulation accelerating effect at a lowmixing amount, the coagulation times of different cements can meet the accelerator using requirements of concrete in GB/T 35159-2017, the 28d compressive strength is increased by 26.7-33.0%, and the accelerator has good adaptability to different cements. Alkali-aggregate reaction and corrosion to reinforcing steel bars, caused by increase of the total alkali content, can be avoided. One of other auxiliary materials is a substance capable of reducing the concentration of calcium ions in a mixture solution, such as ground slag; and the other one is a carbonate substance used as a seed crystal, such as calcium carbonate, so that the compactness and durability of the concrete can be improved, the later strength of the concrete is improved, greenness and environmental protection are achieved, and the construction requirements of different environmental conditions are met.

The invention discloses a preparation method for a degradable earthworm box made of corn bran. The method comprises five steps of pruning and cleaning, softening and flattening, weak alkali treatment,sizing and shaping, and softening and box preparing. The invention also discloses a degradable earthworm box made of corn bran which is prepared by the above preparation method. The preparation method is simple, the prepared degradable earthworm box made of corn bran has excellent mechanical performance and good environmental protection performance, and reuse of waste is realized.

The invention discloses a polytetrafluoroethylene valve bank, and relates to the technical field of valve banks. The polytetrafluoroethylene valve bank comprises a first connecting transverse pipe, first flange plates are welded to the two ends of the first connecting transverse pipe correspondingly, and bent pipes are arranged at the two ends of the first connecting transverse pipe correspondingly. Water in the bent pipes can be stirred. Through the hollow arrangement of an inclined handle and a vertical column, a descaling agent or a reagent for removing impurities can be added, and throughstirring of a stirring fan, the situation that a large amount of scale is formed on the inner wall of the first connecting transverse pipe can be reduced, so that sewage can be quickly discharged, andthe phenomena that scale is too much, a large amount of sewage is blocked at a pipeline, pressure is caused to the pipeline, the pipeline breakage condition is caused, property loss is caused, and subsequent cleaning also increases the certain labor intensity are avoided. Impurities in the sewage can be filtered and shielded through a circular filter screen. The first connecting transverse pipe and the bent pipes are detachably arranged through the first flange plates, and the circular filter screen can be cleaned.

The invention discloses a synthetic method of benzimidazole compounds. The synthetic route of the synthetic method is shown in the description. The method comprises the following steps: 1) substitutedo-phenylenediamine (I), aromatic aldehyde (II) and L-carnitine are added to a solvent for a heating reaction, and a crude product is obtained; 2) the crude product obtained in step 1) is filtered, solid substances are collected and dried, and the benzimidazole compounds (III) are obtained, wherein Ar of aromatic aldehyde is a benzene ring with substituents in ortho-position, meta-position and/orpara-position, and the substituents comprise halogen, methoxy and nitro; R of substituted o-phenylenediamine comprises hydrogen and nitro. According to the synthetic method, starting materials are cheap and easily available, reaction conditions are relatively mild, the catalyst L-carnitine is high in catalysis efficiency, postprocessing is simple, the compounds are low-toxic and safe, and industrialization is easy to realize.