44results about How to "Meet the requirements of environmental protection" patented technology

The invention relates to a composite pulverized coal dust suppressant, and a preparation method and use thereof. The composite pulverized coal dust suppressant comprises calcium chloride and sodium silicate with the ratio of two to one, 0.6 to 1.2% of polyvinyl alcohol, 4 to 6% of glycerol, 0.3 to 0.5% of surface active agent and water in balancing amount. The composite pulverized coal dust suppressant has the advantages as follows: all the chosen materials are common materials, which are nontoxic and harmless and can be naturally degraded, so that no secondary pollution can be caused; the preparation process is simple; after the composite pulverized coal dust suppressant is sprayed on the surface of bulk mineral material, a curing layer can be formed on the surface of bulk mineral material; the curing layer can bond grains on the surface of the bulk mineral material together so as to prevent wind and fix dust; therefore, the composite pulverized coal dust suppressant has certain economical and environmental benefits.

The invention discloses a low-carbon power generation dispatching method for a wind farm, which belongs to the field of operation and control of power systems, and includes the steps: 1) building a low-carbon power generation dispatching model for the wind farm; and 2) solving the low-carbon power generation dispatching model for the wind farm by means of a chaotic differential evolution algorithm. The low-carbon power generation dispatching method for the wind farm has the advantages that 1) actual conditions of the wind farm are more accurately reflected, so that a dispatching scheme formulated on the basis is more reliable; 2) taking CO2 emission restriction into consideration, so that the environment-friendly requirement is met; and 3) taking minimization of fuel cost of a fuel coal fossil power plant as the purpose, so that dispatching economy is guaranteed. The low-carbon power generation dispatching method for the wind frame based on the chaotic differential evolution algorithm can effectively solve the problems of high dimension, non-convexity, nonlinearity and multiple restrictions in power generation dispatching of the power systems, and can overcome the shortcomings of easiness in local convergence and prematurity of a standard differential evolution algorithm.

The invention relates to a tube-type slab lattice paste extrusion production line. The tube-type slab lattice paste extrusion production line is characterized in that: a lead paste stirring motor is arranged in a paste extrusion bucket; the paste extrusion bucket is arranged on a paste extrusion rack; the lead paste delivery pipe is arranged on the lower part of the paste extrusion bucket and is connected with a paste extrusion head; and a slab lattice clamp device, a sliding table moving device, a primary paste extruding and washing device, a 1# polar plate delivery device, a back cover delivery device, a welding control system, an ultrasonic welding device, a secondary paste extruding and washing device, a 2# polar plate delivery device, a paste weighing device and a waste plate removing device are arranged behind the lead paste delivery pipe in turn. The tube-type slab lattice paste extrusion production line is improved on the basis of an original storage battery tube-type slab lattice which extrudes lead paste directly, and has the characteristics of reliable performance, environment friendliness, and capacity of filling a row gate tube of a storage battery with the lead pasteuniformly and the like.

The invention discloses a coordinative optimization configuration method for the capacity of a photovoltaic array, an energy storage device and a transformer of a photovoltaic charging station. The method comprises the following steps: firstly, determining a target function of the photovoltaic charging station, acquiring basic data of the photovoltaic charging station, and determining constraint conditions of the photovoltaic electric automobile charging station; secondly, optimizing the target function by applying an NSGA-II multi-objective genetic algorithm to obtain an optimization result;and finally, selecting the most reasonable construction requirement based on a construction investment budget of a investor according to the optimization result, and performing corresponding hardwarefacility configuration in the photovoltaic electric automobile charging station according to the construction requirement. The coordinative optimization configuration method disclosed by the inventionis applicable to all types of cities with the photovoltaic electric automobile charging station; an energy control strategy-based photovoltaic charging station optimization configuration method for coordinative optimization of the capacity of the photovoltaic array, the energy storage device and the transformer; and a theoretical foundation and a technical support are provided for construction and operation of an electric automobile charging station with a photovoltaic power generation system, so as to guarantee the economy, the environmental friendliness and the reliability of the construction and the operation of the charging station.

The invention discloses a polyester staple fiber two-component composite oil agent and a method for preparing the same. The oil agent is formed by combining a smoothing oil agent No. 4 and an antistatic oil agent No. 2. The components by weight percentage of the smoothing oil agent No. 4 are: 10-20 percent of smoothing agent, 20-25 percent of emulsifier, 1-3 percent of penetrating agent and the balance being water. The components by weight percentage of the antistatic oil agent No. 2 are 24-27 percent of natural fatty alcohol, 6.0-6.5 percent of phosphorus pentoxide, 8-10 percent of potassium hydroxide and the balance being water. The preparation method comprises the following steps of preparing the smoothing oil agent No. 4 in a reaction kettle and preparing the antistatic oil agent No. 2 in an esterification reactor and a neutralization reactor. The oil agent has the advantages of low production cost, good stability, high oil film strength, good gliding property and excellently antistatic property and bundle collection property.

The invention discloses silk-screen UV glaze printing ink and a preparation method thereof, and belongs to the technical field of printing ink and preparation thereof. The printing ink is prepared from 28-32% of epoxy modified acrylate, 18-22% of urethane acrylate, 8-12% of tri(propylene glycol)diacrylate, 18-22% of 1,6-hexamethylene diacrylate, 6-10% of a 184 macroinitiator, 3-7% of an active-amine auxiliary photoinitiator, 0.8-3% of an organosilicone flatting agent, 0.8-3% of an organosilicone antifoaming agent and 3-7% of fumed silica, and is prepared by processes of mixing, stirring at a high speed, grinding, and the like. The preparation method is simple. The printing ink prepared by the method has a transparency effect and a matte effect, thus satisfying a conceive of applying the technical quality of blue and white porcelain and other famous porcelain in history to packaging and printing, and simulating the glaze quality, of the porcelain, that is mild and humid like jade. The printing ink provided by the invention has high environmental protection property. The VOCs smell residue totally reaches requirements of the national standards.

The invention discloses a filtrate reducer for drilling fluid as well as a preparation method and application thereof. The filtrate reducer disclosed by the invention comprises the following raw material components in parts by weight: 25-30 parts of starch, 3-5 parts of tetrahydrofuran, 0.25-0.5 part of maleic anhydride, 20-30 parts of acrylamide propyl trimethoxysilane, 5-15 parts of 2-acrylamido-2-methylpropane sulfonic acid, 0.3-0.5 part of dimethyl sulfoxide, 5-10 parts of N-benzyl-3-pyrrolidone, 5-10 parts of ammonium persulfate, 5-10 parts of sodium hydrogen sulfite, 10-20 parts of alkyldimethyl betaine and 100 parts of water. The filtrate reducer disclosed by the invention achieves an excellent effect of reducing the filter loss in a clay free phase high-density drilling fluid system, and has excellent salt and calcium resistance and high pollution resistance; the filtrate reducer has an obvious effect of reducing the filter loss, is excellent in temperature and salt resistanteffect and has an excellent suspension effect on the solid phase; and the tackifying amplitude is moderate in the drilling fluid system, and field application requirements are well met.

The invention relates to a photocatalyst preparation with a function of effectively removing indoor decorative pollution. The photocatalyst preparation is prepared from components in percentage by weight as follows: 1%-10% of nano titanium dioxide, 0.1%-1% of nano silver, 1%-20% of a synergist and the balance of pure water, wherein the synergist is selected from aloe polysaccharide and/or epigallocatechin gallate. With the adoption of the photocatalyst preparation, formaldehyde can be efficiently removed, and formaldehyde removing property is improved substantially after addition of the synergist; the components are safe and non-toxic, secondary pollution cannot be produced in a using process, and the photocatalyst preparation is safe and reliable and meets requirements of national environmental protection.

The invention provides an environment-friendly type dry refuse incineration and waste gas treatment system comprising an incinerator wall, a material guiding inclined plate, supporting frames, a firsttransmission wheel, a support plate, a conveyer belt, a second transmission wheel, a base plate, a material guiding motor and other structures. A reciprocating cleaning mechanism is installed on theupper portion of the installation plate through bolts. A discharging mechanism is installed at the bottom in the incinerator wall and located on the lower side of the incinerator plate. A waste gas filtering box is arranged on the lower portion of the installation plate. The reaction chamber is installed on the lower portion of the installation plate through a stabilizing column and located on oneside of the waste gas filtering box. By means of the reciprocating cleaning mechanism, the filtering mechanism, the waste gas filtering box and a reaction chamber, dry garbage can be effectively incinerated, generated gas is filtered and purified, the filtering portion can be cleaned in a reciprocating manner so as to improve the purifying effect, the national requirements for refuse environmental protection treatment are further met, the incinerated refuse discharging process is environmentally friendly and free of pollution, and the whole system has great environmental protection value.

The invention discloses an oil displacement system suitable for a high-temperature and high-salinity oil reservoir. The oil displacement system is prepared according to the following method: in an inert atmosphere and in the presence of sodium formate, ethylenediamine tetraacetic acid disodium salt, ferrous sulfate, tetramethylethylenediamine, 4, 4'-azobis (4-cyanovaleric acid), ammonium persulfate and hydrogen peroxide, carrying out a copolymerization reaction among a monomer A, a monomer B, a monomer C, a monomer D and an inorganic component in water to obtain gel; and chopping the gel, adding sodium silicate and sodium pyrophosphate, standing for swelling, drying the swollen gel, and crushing to obtain powder, namely the oil displacement system. Monomer activity (all acryloyloxy monomers) adopted by the invention is high, a high molecular weight product is easy to prepare, and the product is excellent in tackifying performance and small in use amount. The oil displacement system iseasy to store and convenient to transport, and meets the requirements of environmental protection. The method has the advantages of accessible raw materials and favorable preparation technique, and issuitable for industrial production.

The invention provides an automobile air duct and a preparation method thereof, the automobile air duct comprises the following raw materials in parts by weight: 70-82 parts of PE (polyethylene), 4-8parts of antimonous oxide, 8-16 parts of decabromodiphenyl ethane, 3-10 parts of POE, 0.1-0.3 part of antioxidant 1076, 0.1-0.3 part of antioxidant 168 and 0.1-0.4 part of ultraviolet absorbent UV 944; and an anti-dripping agent accounts for 0.35% of the total weight of the substances. The automobile air duct is formed by blow molding, and the prepared automobile air duct is good in flame retardancy, high in anti-bending strength, high in tensile strength and small in smell.

The invention provides a photo frame module. The photo frame module comprises a display device and a fixing structure, wherein the display device comprises a plurality of sensing units, the fixing structure is used for fixing a terminal device so that a screen of the terminal device is parallel to the display device, and the sensing units are used for sensing an original image shown on the screenof the terminal device after the terminal device is fixed, so that a sensed image corresponding to the original image is shown on the display device.

The invention provides a multi-toilet-cubicle mobile intelligent purifying and discharging WC system assembly. The system assembly comprises ten subsystems including a toilet cubicle use subsystem, an air source subsystem, an excrement collection subsystem, a solid-liquid separation subsystem, a microwave incineration subsystem, an electrodeless photocatalytic treatment urine treatment subsystem, an electrodeless photocatalytic treatment waste gas treatment subsystem, a heat exchange system, a reclaimed water recycling toilet flushing subsystem and an intelligent control subsystem. Meanwhile, the invention further provides a sewage treatment method based on the system assembly. Technical obstacles of rapid sterilization, incineration treatment and sewage treatment and recycling of solid-liquid dirt and excrement which are harmful to human excrement excretion environment, disease transmission and body health are overcome. A full physicochemical technology is adopted, excrement collection, microwave incineration, photocatalytic degradation, ultraviolet sterilization, a reclaimed water toilet flushing technology and an intelligent control system are integrated, rapid harmless treatment of human excrement is achieved, the colorless, odorless and secondary-pollution-free up-to-standard emission requirements are met, and all pollutant emission technical indexes reach the national standard.

The invention discloses a preparation method of an easily-degradable environmentally-friendly plastic, and the preparation method comprises the following steps: S01, ultrasonically sterilizing a biological component; S02, mixing a polyvinyl chloride monomer with a plasticizer and other auxiliary agents, dispersing, adding the biological component, uniformly dispersing, adding a structural component, grinding and dispersing; S03, adding a coupling agent and a crosslinking agent into a mixture obtained in the S02, and using a planet type grinding machine for grinding and dispersing for 5-8min at300 to 400 r/min to obtain a desired mixed raw material; S04, using a twin-screw extruder for granulating the mixed raw material obtained in the S03 at the extrusion rate of 3.5-4.5 kg/hand the melting temperature of 205-210 DEG C to obtain the easily-degradable environmentally-friendly plastic. The easily-degradable environmentally-friendly plastic can be used for a long time under the conditionof daily use, and has stable storage property. Compared with plastic products in the prior art, the strength and toughness of the easily-degradable environmentally-friendly plastic are basically thesame as that of the plastic products in the prior art, and after being discarded, the easily-degradable environmentally-friendly plastic can be slowly broken and completely degraded in a hot and humidenvironment, has no pollution to the environment and the human body, and meets the requirements of environmental protection.

The invention relates to a method for absorbing paint mist by utilizing nanometer calcium carbonate. The method comprises the following steps: firstly preparing the nanometer calcium carbonate into a required nanometer calcium carbonate forming body; then placing nanometer calcium carbonate forming body in the paint mist environment after the nanometer calcium carbonate forming body is sealed, placing a concentration meter in the paint mist environment at the same time and measuring the initial concentration of the paint mist; opening the sealed forming body, observing the read number of the concentration meter during the opening period and judging whether the absorption of the paint mist by the nanometer calcium carbonate has reached saturation or not or whether the nanometer calcium carbonate forming body needs to be replaced or not according to the read number of the concentration meter. The method has the advantages that the huge specific surface area and the excellent absorption capability of the nanometer calcium carbonate are fully utilized to capture the paint mist; meanwhile, after being retreated, the nanometer calcium carbonate after absorbing the paint mist can be taken as an additive to be applied to coating, so that the cost is greatly saved; the nanometer calcium carbonate has good long-term sustainability, and the shape of the nanometer calcium carbonate is easy to process when the nanometer calcium carbonate is used as the forming body, therefore, the nanometer calcium carbonate is suitable for mass production and application.