18 results about "Hazardous substance" patented technology

A hazardous materials sensing robot includes a robot platform and a universal mounting tray on the robot platform for removably mounting thereon a plurality of sensors each having an output. An electronic interface unit is configured to receive the outputs of the sensors. An operator control unit remotely operates the robot platform. There is a communication link between the robot platform and the operator control unit for transmitting the sensor outputs to the operator control unit.

The invention relates to a method for producing energy-saving sintered bricks from mud. The sintered brick is made from river mud, municipal sludge and sea mud as raw material, by mixing with silica-based inorganic binder at a certain proportion, ageing, extruding with a extrusion molding machine to obtain blanks, cutting the blanks with a cutter, drying, sintering and burning. The invention makes full use of mud and the additional amount of mud is high up to 50%. The invention realizes energy and resource conservation and helps develop the circular economy and realize the comprehensive utilization of resources. The produced energy-saving sintered brick has the advantages of high porosity and good heat-insulation effect. During the sintering process, the flue gas is circularly treated, the exhaust gas is treated with acidic and alkaline solutions to remove harmful substances (such as dioxin) from the exhaust gas, and harmful substances such as heavy metals are solidified, therefore, the whole production process and the final product do not cause environmental pollution or hazard.

The invention discloses a flame-retardant polybutylene terephthalate (PBT) composite material, which is prepared by taking a mixture of montmorillonite and polytetrafluoroethylene as an organic synergistic flame retardant and cooperating with a nitrogen containing flame retardant, and a preparation method thereof. The composite material comprises the following components in percentage by weight: 45-70 percent of polybutylene terephthalate, 1-10 percent of nano-sized organic montmorillonite and 10-30 percent of glass fiber which is subjected to surface treatment, and 10-30 percent of nitrogen containing flame retardant, wherein the nano-sized organic montmorillonite is montmorillonite mineral powder processed by an alkyl intercalating agent; and the glass fiber is alkali-free glass fiber processed by a coupling agent. The preparation method comprises the following steps of mixing the components, antioxidant and lubricating agent; melting, blending and extruding the mixture by a double-screw extruder to obtain the polybutylene terephthalate composite material which has high performance and is synergistically filled by montmorillonite and glass fiber. The composite material is high in modulus, good in toughness, high in temperature resistance and high in CTI value; the processing environment is friendly; the composite material are free of halogen and phosphorus, meets an ROSH (The Restriction of the use of Certain Hazardous Substances in Electrical and Electronic Equipment) principle, and is widely applied to the field of engineering plastics.

The invention discloses a methylal purifying method. The method comprises the following steps: adding water with the weight 0.2-3 times the weight of methylal into methylal with the mass concentration being smaller than 95%, fully and uniformly stirring, standing for 20-40min for layering, adding a drying agent to the obtained upper layer in order to dry the upper layer, stirring for 5-15min, filtering out the drying agent to obtain methylal with the mass concentration being greater than 99.5%, and dehydrating the water-containing drying agent to recycle the drying agent, wherein the absorbed water weight of the drying agent is 1-12 times the water weight of methylal. Water is added to methylal as an extractant in order to realize extraction, so the cost is low; and the purifying method also has the advantages of simplicity, mild conditions, large purifying capacity, industrial continuous production benefiting, stable and reliable mass concentration and no other impurities. Methylal is purified through rectification by using a high pressure rectification system, so the method has the advantages of low mass requirements of a raw material, high purification yield, less energy, industrial continuous production benefiting, no emission of harmful substances, and environmental protection benefiting.

The invention relates to a method of extracting an alpha-glucosidase inhibitor from traditional Chinese medicine raspberries, and belongs to the technical field of traditional Chinese medicine and natural drugs. The extraction method comprises following steps: (1) grinding raspberries to obtain raspberry particles; (2) taking a hydrophilic organic solvent as the extracting agent, extracting the raspberry particles by the extracting agent to obtain a liquid extract, and concentrating and drying the liquid extract to obtain a crude raspberry extract; and (3) dissolving the crude raspberry extract in water to obtain a water solution of the crude raspberry extract, and further purifying the water solution by column chromatography to obtain the alpha-glucosidase inhibitor. The provided technology is simple, the operation is convenient, and the product does not contain any harmful substance, is pollution-free to the environment, is very safe, and can be used to develop novel drugs for reducing blood sugar.

The present invention discloses a marine organism hazardous substance detection weighing device. The device comprises an unloading mechanism for accommodating marine organism powder and a weighing mechanism arranged below the unloading mechanism; the unloading mechanism comprises a storage hopper for storing the marine organism powder, and a rationed feeding device arranged in the storage funnel; a tray is arranged below the material outlet of the storage hopper; and the rationed feeding device transfers the marine organism powder in the storage hopper to the tray from the material outlet in a rationed manner. According to the marine organism hazardous substance detection weighing device of the invention, the rationed feeding device arranged in the unloading mechanism, so that rationed powder can be transferred onto the weighing mechanism at one time, the accurate weighing of the powder can be realized effectively through the feedback effect of the weighing mechanism, and therefore, the efficiency of weighing can be greatly improved.

The invention discloses a method and a device for water quenching of yellow phosphorus furnace slag. The method comprises the steps of water-quenching the molten phosphorus slag in a sluiceway by slag flushing water, and separating the phosphorus slag from the water through a dehydrator so as to achieve the aim of separating the quenched slag from the slag water. The method and the device have a good water-quenching effect and a high automation degree and can ensure a clean field environment and guarantee that vapor and harmful substances are orderly collected.

The invention discloses a wave-absorbing breathable environment-friendly molding. The wave-absorbing breathable environment-friendly molding is prepared from the following raw materials in parts by weight: 5 to 9 parts of calcium borate, 55 to 65 parts of high-strength gypsum, 14 to 18 parts of fibrilia, 6 to 8 parts of polyester fiber, 10 to 16 parts of adsorbed filled earth, 1 to 2 parts of terbium oxide, 1 to 2 parts of iron oxide, 8 to 12 parts of inorganic filler, 10 to 14 parts of flame retardant additives and 12 to 18 parts of an adhesive. The wave-absorbing breathable environment-friendly molding disclosed by the invention has the excellent characteristics of good wave-absorbing effect, light quality, high mechanical strength, breathability and no cracking; in addition, the molding has the advantages of smooth surface, good toughness and impact resistance, the function of adsorbing harmful substances in the air, and relatively-excellent flame retardancy and dimensional stability; meanwhile, the preparation method disclosed by the invention has the advantages that the low cost of materials is relatively low raw materials are easy to obtain, and the process is simple; the molding for decoration has a relatively-high practical value and a good application prospect.

The invention discloses a compound preparation capable of effectively improving the disease resistance of aquatic animals and a preparation method thereof. The compound preparation comprises the following components in parts by mass: 55-65 parts of microbial powder, 10-15 parts of astragalus polysaccharide, 10-15 parts of yeast cell walls, 5-10 parts of plant essential oil and 1-5 parts of vitaminB6. The coordination of the components is capable of reforming the intestinal flora structure, changing the proportion of unsaturated fatty acids in metabolic products of intestinal acid-producing bacteria, inhibiting enteric pathogenic bacteria and other harmful substances, restoring intestinal mucous membranes, promoting digestion and absorption of nutrients, simultaneously enabling animal bodies to have enhanced nonspecific immunity, enhanced stress resistance and stronger resistivity to viruses, pathogenic bacteria, parasites and polluted environments, comprehensively improving the utilization ratio of feed and survival rate of the animal bodies, reducing residual feed, purifying excrement and optimizing and normalizing an intensive culture mode.

The high temperature luminous glazing consists of SrAl2O4EuDy 50-68 wt%, SiO2 25-40 wt%, Al2O3 4-6 wt%, CaO 1.5-3.0 wt%, MgO 0.5-1.0 wt% and Fe2O3 0.1-0.8 wt%, and is prepared through mixing, grinding, high temperature baking, crushing and other steps. It may be used in producing luminous glazed tile. It contains no any matter harmful to human body, produces no any harmful matter during use and has no harm to human body and environment. The luminous glazed tile has short light absorbing time, long afterglow time and high adaptability to weather and environment.

The invention discloses zero-lactose modified milk browned by Maillard reaction and a preparation method thereof. The zero-lactose modified milk is prepared from the following raw materials: raw milk, lactase, xylitol and a compound stabilizer. According to the invention, lactose in the raw milk is fully utilized and is subjected to enzymolysis to obtain reduced monosaccharide; and the reduced monosaccharide is browned through the Maillard reaction to obtain the zero-lactose modified milk, so that the content of hazardous substances in the browning process is reduced, the content of total sugar and lactose in the modified milk is reduced, the intake of milk products by patients with lactose intolerance is facilitated, and the nutritional value and the taste of the product are improved. The invention is suitable for preparing the zero-lactose modified milk.

The invention discloses a method of treating manganese ore waste water. The method includes the steps of: adsorption, irradiation, secondary adsorption, and coagulation and emission. In the method, a secondary adsorption method is employed, wherein a large amount of harmful substances in the manganese ore waste water are adsorbed; the waste water is further disinfected by means of ultraviolet treatment. A self-made carbonized material employed in the invention has very strong adsorption and purification effects. The method is simple and has significant effects. Finally, a high-effective coagulator is employed and has compensation effects with the carbonized material, thereby improving efficiency.

A lighting module for a light emitting diode mainly consists of a LED light source chip and a radiator. At least two LED light source chips constitute a light source module; the light source module, a radiator which is composed by a heat radiation module, a power supply module and a heat conduction tube constitute the lighting module for the light emitting diode. The light source module comprises at least four LED light source chips; a single chip is made from the six grains and a non-frame packaging way and the power range is 6W to 12W; the light source module comprises at least four LED light source chips; a single chip is made from the multiple grains with red, green and blue mixing lights and the non-frame packaging way and the power range is 6W to 12W; four red, green and blue mixing lights LED chips are planted into the light source module and the total power range is 24W to 46W. The invention is characterized in that the LED lighting module can guarantee the quality of the light source, which does not produce the light decay due to the over temperature and increase the using life of the LED chip; the LED lighting module can reduce the waste during the lighting maintenance and decrease the amount of the harmful materials for lighting; the LED lighting module is in favor of the assembly and the mass production of the lighting lamps; the LED lighting module is beneficial for the quality management and control of the lamp production and the assembly of the LED lighting module saves cost.