47results about How to "Meet the requirements of environmental standards" patented technology

The present invention discloses a burning system using hydrogen fuel changed from methanol in industrial furnace and power station. The burning system is composed of a hydrogen making burning system, a heat transfer oil heating cycle system, a furnace remaining heat smoke heating system, an air preheating system, a start system and a bypass recycle system. The heat transfer oil is heated by furnace smoke remaining heat, and makes the methanol liquid fuel vaporize. The methanol is transferred to fuel with hydrogen as main component by the hydrogen making system, the fuel is then provided to furnace to burn. The burning process will not generate dust and sulfur dioxide harmful gas, and greatly reduces the discharge amount of the carbon dioxide gas. The fuel is satisfy with the national environmental protection standard requirement and can become new type substitute energy for the industrial furnace. The system has the advantages of safety, stable running, miniaturization of equipments and reduced manufacturing cost.

The invention discloses an environment-friendly vapor phase rust-proof film which is formed by carrying out mixing, coextrusion and blow molding on 85-95% of matrix plastic and 15-5% of additive by weight. The additive comprises the following components by weight percent: 70-85% of vapor phase inhibitor, 2-5% of dispersed lubricant and 10-28% of carrier plastic. The vapor phase inhibitor is formed by combining sodium benzoate, tungstate and morpholine unit-containing diamine type, and the weight ratio of sodium benzoate to tungstate to diamine type containing morpholine unit is (1-3):(1-2.5):(1-3). The environment-friendly vapor phase rust-proof film has the characteristics of high strength, stable sealing performance, good rust-proof performance and single material, and is energy-saving and environment-friendly. Each component has synergistic effect, and inherent physical and chemical rust-proof performances of each component can be fully exerted.

The invention relates to a synchronous aeration and deodorizing process of aerobic activated sludge for wastewater treatment plants, comprising: collecting fouling odor from a wastewater plant; introducing the collected fouling odor into an aerating tank; allowing the fouling odor to replace air to supply oxygen to the activated sludge in the aerating tank, thereby removing the fouling odor and meeting the environmental protection standard. The process of the invention has no need for special deodorizing facilities, so that floor area is saved; land resources are saved, and in addition, deodorizing project investment is reduced for wastewater plants, operation and management are facilitated, and operation energy consumption is lowered.

The invention discloses high-flexibility water varnish suitable for UV curable offset printing. According to key points of the technical scheme, the water varnish is composed of the following components by weight percent: 10-20% of pure acrylic emulsion, 5-15% of acrylic-modified aqueous polyurethane emulsion, 35-55% of a self-crosslinked acrylic dispersing agent, 10-25% of water, 10-25% of an alcohol solvent and 0.1-5% of waterborne additives. The invention provides the high-flexibility water varnish suitable for UV curable offset printing. The invention further provides a method for preparing the high-flexibility water varnish suitable for UV curable offset printing.

The invention provides a low-volatility environment-friendly building interior concrete interface treating agent. The low-volatility environment-friendly building interior concrete interface treating agent is prepared by carrying out a crosslinking reaction among attapulgite grafted with a maleic acid-terminated ester group and vinyl hyperbranched polyester, a vinyl acetate-ethylene copolymer emulsion, polyethyleneimine and trimethylolpropane-tris[3-(2-methylaziridinyl)propionate]. The low-volatility environment-friendly building interior concrete interface treating agent has low VOC (volatile organic compounds) content and good viscosity, and effectively solves the problems that the conventional interface treating agent is high in volatility and is not environmentally friendly.

The invention relates to the technical field of ceramic materials, in particular to a wide-temperature stable type energy storage ceramic material and a preparation method thereof.The wide-temperature stable type energy storage ceramic material comprises a principal crystalline phase and a modifier, the general chemical formula of the principal crystalline phase is (1-x) BaTiO3-x [ySr0. 7Bi0. 2TiO3-(1-y) Bi (Mg2/3Nb1/3) O3], x is larger than or equal to 0.1 and smaller than or equal to 0.4, y is larger than or equal to 0.5 and smaller than or equal to 0.95, the modifier is a simple oxide or carbonate, and the main crystalline phase and the modifier are mixed to form the wide-temperature stable type energy storage ceramic material. The main crystal phase is modified by adding the modifier, so that the energy storage performance is obviously improved, high energy density and high energy efficiency are realized, and the material has excellent frequency and temperature stability; according to the preparation method of the wide-temperature stable energy storage ceramic material provided by the invention, the energy storage ceramic material is prepared by ball-milling and mixing for the first time, pre-sintering, ball-milling and mixing for the second time, and sintering at 1100-1250 DEG C. The method is simple, the cost is low, the control is easy, and the preparation is easy.

The invention discloses an environment-friendly tert-carbonic acid organic silicone acrylic modified copolymer emulsion for a ceramic tile back adhesive. The copolymer emulsion is prepared from the following raw materials in parts by weight: 10 to 20 parts of styrene, 20 to 40 parts of acrylate, 5 to 20 parts of vinyl versatate, 2 to 10 parts of a functional monomer, 2 to 5 parts of an emulsifier,0.2 to 0.4 part of a water-based initiator, 0.1 to 0.3 part of a redox agent, 0.1 to 0.5 part of a preservative, and 40 to 60 parts of deionized water. According to the invention, the environment-friendly tert-carbonic acid organosilicone-acrylic modified copolymer emulsion for the ceramic tile back adhesive is prepared by polymerizing acrylate, tert-carbonic acid, styrene and organosilicon macromolecules; raw materials are environmentally friendly and meet the environmental protection standard requirements, and experimental research shows that the copolymer emulsion is high in bonding strength, not prone to hollowing and brick falling, convenient to construct and good in water resistance, freeze thawing resistance, aging resistance and the like.

The invention belongs to the technical field of gas purification, and particularly relates to a complexing iron desulfurizing agent for Claus tail gas treatment, wherein the complexing iron desulfurizing agent comprises the following components: a soluble iron salt, a soluble cerium salt, a chelating agent, an inorganic alkali, an organic additive and water, wherein the weight percentage of the iron ions is 0.5-5% wt, a molar ratio of Fe<3+> to Fe<2+> is 0.5-5.0, the weight percentage of the cerium ions is 0.1-0.5% wt, a molar ratio of the cations to the iron ions in the inorganic alkali is 0.5-1.0, a molar ratio of the chelating agent to the sum of the iron ions and the cerium ions is 1.0-3.5, and the weight percentage of the organic additive is 0.2-2 wt%. The desulfurizing agent can simultaneously remove hydrogen sulfide and carbonyl sulfide in Claus tail gas, wherein the content of the hydrogen sulfide in the purified tail gas after desulfurization is smaller than 10 mg/m<3>, and the content of the carbonyl sulfide in the purified tail gas after desulfurization is smaller than 20 mg/m<3>, so that the national environmental protection standard requirement is met, the cost is low,the desulfurizing agent activity is high, and the desulfurizing effect is good.

The invention relates to a stabilizing and curing processing system and processing method for fly ash by waste incineration. The processing system comprises a fly ash metering unit, a cement meteringunit, a chelating agent metering unit, a detection and adding control unit and a stabilization unit, wherein the fly ash metering unit, the cement metering unit and the chelating agent metering unit communicate with the stabilization unit; and the detection and adding control unit comprises an on-line detection module and a control module. According to the system, the online detection module is adopted, so that the content of elements in each batch of fly ash can be detected in real time, the physical and chemical characteristics of each batch of fly ash are accurately mastered, and the stabilization and solidification treatment of the fly ash is facilitated; and in addition, the adding amount of cement and chelating agent is precisely adjusted and controlled according to the physical andchemical characteristics of each batch of fly ash, the treatment effect of the fly ash stabilization curing can be greatly improved, and the requirements of environmental protection standards can be met after the fly ash treatment is ensured.

The invention provides a system for calcining treatment and resource utilization of sugar-making filter mud. The system comprises a pulverized coal preparation system, a feeding system, a calcining system, a waste heat recovery system, a flue gas environment-friendly up-to-standard emission treatment system and a quick lime recovery system, Raw material coal is prepared into pulverized coal as auxiliary fuel, crude sugar filter mud is crushed, the pulverized coal and the crude sugar filter mud are simultaneously added into a calcining furnace, ash generated after calcining is discharged and cooled to serve as a quick lime material; flue gas generated after calcination enters a waste heat boiler to be subjected to heat recycling, saturated steam is generated, the flue gas obtained after heat exchange enters a denitration device to be subjected to denitration treatment, the flue gas obtained after denitration exchanges heat with air and then is subjected to dust removal, and clean flue gas is obtained; and air heated by the flue gas is introduced into the calcining furnace as combustion-supporting air, so that the temperature of the combustion-supporting air entering the calcining furnace is integrally increased. Reduction and harmless treatment of the sugar-making filter mud are achieved, meanwhile, quick lime generated in the high-temperature calcination process, namely the high-temperature decomposition reaction process, is recycled to achieve the purpose of resource utilization, high-temperature flue gas waste heat generated in calcination is recycled to generate saturated steam, and the purpose of energy conservation in the environment-friendly treatment process is achieved.

The invention is a divisional application with an application number of 2017100265557. The invention discloses a high-flexibility water-based varnish with good heat resistance and suitable for UV offset printing. The high-flexibility water-based varnish is composed of the following substances by weight: 10-20% of a pure acrylic emulsion, 5-15% of an acrylic acid modified water-based polyurethane emulsion, 35-55% of a self-crosslinking acrylic acid dispersing agent, 10-25% of water, 10-25% of an alcohol solvent and 0.1-5% of a water-based assistant. The invention provides the high-flexibility water-based varnish with good heat resistance and suitable for UV offset printing.

The invention discloses a method and system for producing hydrogen oil by converting ultrahigh-temperature waste, and the system provided by the invention is used for gasifying waste at ultrahigh temperature to generate mixed gas, and the mixed gas is subjected to reforming and water-gas shift under the action of a high-selectivity reaction catalyst to generate hydrogen and carbon dioxide. Hydrogen passes through a gas purification section to prepare purified hydrogen, and the purified hydrogen and the liquid organic hydrogen storage carrier are subjected to hydrogenation reaction to obtain hydrogen oil which can be stored at normal temperature and normal pressure. According to the system for converting the ultrahigh-temperature waste into the hydrogen oil, various pollution sources generated in the waste treatment process can be fundamentally eradicated, the requirements of all environmental protection standards in the world at present are met, the waste can be converted into hydrogen energy and various useful substances, and good environmental protection and economic values are achieved.