41results about How to "Comply with the industrial policy of energy conservation and emission reduction" patented technology

The invention discloses a method for preparing jade type microcrystalline glass with high-temperature furnace slag, which comprises the steps of: taking molten furnace slag as main materials; adding auxiliary materials such as fluxing clarifying agent and additive, and the like; further melting and clarifying in a high-temperature furnace to form glass liquid; pouring or calendaring the glass liquid to form basic glass; heat processing the basic glass by means of crystallization to obtain the rough product of the jade type microcrystalline glass; and finish machining to obtain the finished product of the jade type microcrystalline glass. The method not only effectively utilizes the molten high-temperature furnace slag, but also sufficiently utilizes heat energy stored in the high-temperature furnace slag, and prevents the high-temperature furnace slag from generating huge amounts of corrosive hot steam in the process of discharging. The jade type microcrystalline glass prepared by the method is in the status of semitransparent wax, exactly looks like natural jade, has good cutting performance, high intensity and good tenacity, can be used for replacing natural stones in construction industry, and can be used for replacing natural rare jades in machining artware.

The invention discloses a method for recovering fluoride ions from wastewater and belongs to the fields of wastewater treatment and resource recovery. The method specifically comprises the following steps: the fluoride ions in the fluorine-containing wastewater are discharged up to standard by resin adsorption; a resin desorption solution is treated with combination of a diffusion dialysis technique and a chemical precipitation method, wherein high-alkali effluent of diffusion dialysis effluent can serve as a resin desorption agent to be recycled to a resin desorption section; for high-fluorine effluent of the diffusion dialysis effluent, the fluoride ions are precipitated and recovered in a form of precipitates with the chemical precipitation method, a filtrate and the fluorine-containingwastewater are mixed in a certain ratio, resin is introduced for defluorination, and the fluoride ions in the wastewater are recovered in the form of high-purity calcium fluoride precipitates after being subjected to resin adsorption separation. In the method, alkali in the resin desorption solution is recovered with the diffusion dialysis technique, so that alkali amount needed by resin desorption is reduced substantially, sewage treatment cost is reduced, and effluent quality is guaranteed.

The invention provides environmental-friendly clean diesel oil and a preparing method thereof, and belongs to the technical field of the energy industry. An emulsifying agent in the clean diesel oil comprises following raw materials: 15-75 parts of oleic acid, 10-45 parts of methanol, 5-52 parts of cyclohexylamine, 5-45 parts of monoethanolamine, 3-35 parts of octanol, 0.1-5 parts of a lubricant, 0.1-5 parts of ferrocene and 0.1-6 parts of an antioxidant 264. The ratio of the emulsifying agent to water in the diesel oil is 0.5-1.2:1. The diesel oil meets practical application requirements of various vehicles and engineering machines, overcomes defects of other technical schemes at present, and meets basic requirements on vehicle exhaust discharge in China. The diesel oil is simple in production process, low in investment and good in economic benefit and social benefit.

Belonging to the industrial production filed of nano-composite resin adsorbent for wastewater treatment, the invention discloses an industrial preparation method of a cationic resin based zirconium-loaded nano-composite adsorbent, and specifically relates to a reaction material recyclable industrial preparation method of a cationic resin based zirconium-loaded nano-composite adsorbent. The preparation steps include: preparing a zirconium salt solution; adding acidic cationic resin into the zirconium salt solution in batches, conducting stirring and filtering, and recycling the zirconium salt solution; performing drying; adding a NaOH solution for alkalization to obtain a cationic resin based zirconium-loaded nano-composite, and recycling the alkali liquid; adding a hydrochloric acid solution for neutralization; and performing washing. According to the industrial preparation method of the cationic resin based zirconium-loaded nano-composite adsorbent, the cleaning liquid, the zirconiumsalt solution, the alkali liquid, the acidic liquid and other materials can all be recycled, thus greatly lowering the production cost and environmental pollution. Therefore, the method is in line with the current national energy-saving and emission reduction industrial policies, and is suitable for industrial promotion.

The invention relates to a preparation method of iron oxide red and ammonium chloride, and belongs to the technical field of waste resourceful treatment. The method is as below: mixing and evenly stirring waste acid and steel scrap or steel scrap leftover to obtain a solution with all iron in the form of Fe<2+> (reducing all Fe<3+> in the waste acid to Fe<2+>); adjusting the pH value of the obtained solution with ammonia, and at the same time introducing air or oxygen for oxidation at low temperature; heating the solution subjected to low temperature oxidation to 70-95 DEG C, adjusting the pH value of the solution by hydrochloric acid, introducing air or oxygen for middle temperature oxidation; filtering the turbid liquid to obtain a filter cake and a filtrate, washing the filter cake, drying at a temperature of 80-130 DEG C for 30-180 min to obtain iron oxide red with uniform color bright and purity greater than 99.5wt%; conducting vacuum distillation on the obtained filtrate and washing water to obtain a crystal, and drying the crystal at the temperature of 80-130 DEG C for 30-180 min to obtain NH4Cl with purity greater than 99.5 wt%. The method can produce high purity ammonium chloride and high tinting strength iron oxide red.

The invention provides a refining agent for the boron removal of a slagging and refining industrial silicon melt. The refining agent comprises the following ingredients in mass percent: 1-99% of Li2O, 1-99% of SiO2 and 0-98% of basic oxides. A using method of the refining agent comprises the following steps: industrial silicon with the boron content of 1-500 ppmw is taken as a raw material and is mixed with the refining agent for the boron removal of the slagging and refining industrial silicon melt according to a mass ratio of 10:1 to 1:10, the slagging and refining is carried out at the temperature of 1450-1850 DEG C, then, the cooling is carried out, and finally, the slag-silicon separation is carried out, so that the impurity, i.e. boron is removed along with slag. The refining agent has a remarkable effect in boron removal, and the using method of the refining agent has the advantages that: the boron content of industrial silicon can be lowered to be less than 1 ppmw, the slag-silicon separation is easy, the process operation is simple, the requirements on equipment are low, the cost is low, the energy consumption is low, the pollution is little, no harmful gases are generated, the waste slag can be recycled and reutilized, and the method is environment-friendly.

The invention relates to a method for producing cement by using garbage. The method is mainly and mainly characterized in that the garbage is screened and classified; and after the usable part of the garbage is crushed and the contents of calcium element, silicon element, ferrum element, aluminum element, sulfur element, magnesium element, potassium element and sodium element of the garbage are analyzed, a small amount of materials are supplemented for producing the cement. The invention has the benefits that the calcium element, silicon element, ferrum element, aluminum element, sulfur element, magnesium element, potassium element and sodium element of the garbage and effective components with thermal value are used to produce the cement instead of clay (or shale), calcium carbonate and coal in a traditional cement raw material, so that precious natural resources are saved; and more importantly, the garbage is changed into valuables, a large amount of garbage is consumed, the environment is protected and the industrial policy of national energy saving and emission reduction is met. In addition, raw materials are easily obtained, so that the production cost is greatly reduced.

The invention discloses a method for treating VA-family element oxygen-containing negative ion wastewater through resin adsorption / desorption-diffusion dialysis, belongs to the field of wastewater treatment and resource reuse, and particularly relates to a recycling method of wastewater containing phosphate radicals, phosphite radicals, arsenate radicals, arsenite radicals and antimonate radicals.The method comprises the following steps: adsorbing the VA-family element oxygen-containing negative ion wastewater by using resin; subsequently performing desorption regeneration on the resin by using an alkali solution, and then separating VA-family element oxygen-containing negative ions from alkali liquor by using a diffusion dialysis method, wherein the alkali liquor can be recycled and applied in the desorption regeneration step. According to the method disclosed by the invention, besides that VA-family element oxygen-containing negative ions are separated and enriched, the alkali liquor can be recycled and applied again, and finally, the concentration of the VA-family element oxygen-containing negative ions in discharged water is reduced to 0.01mg / L or below, so that production cost and environmental pollution are greatly reduced, a current national energy conservation and emission reduction industrial policy can be met, and the method is suitable for being industrially popularized.

The invention discloses a fever heat dissipating apparatus, and relates to a medical apparatus. The fever heat dissipating apparatus comprises a water bag, a water inlet pipe, a water outlet pipe, a water pump and a refrigerating device, wherein one end of the water inlet pipe is connected with a water inlet of the water bag, and the other end of the water inlet pipe is connected with a water outlet of the water pump; one end of the water outlet pipe is connected with a water outlet of the water bag, and the other end of the water outlet pipe is connected with the refrigerating device; the water pump is connected with the refrigerating device; the water pump is connected with a power supply through conductive wires. The fever heat dissipating apparatus has the advantages of low cost, good heat-dissipating and cooling effect, high convenience for use, comfort and the like, and has a high scientific popularization and promotion value.

The invention discloses a method for preparing jade type microcrystalline glass with high-temperature furnace slag, which comprises the steps of: taking molten furnace slag as main materials; adding auxiliary materials such as fluxing clarifying agent and additive, and the like; further melting and clarifying in a high-temperature furnace to form glass liquid; pouring or calendaring the glass liquid to form basic glass; heat processing the basic glass by means of crystallization to obtain the rough product of the jade type microcrystalline glass; and finish machining to obtain the finished product of the jade type microcrystalline glass. The method not only effectively utilizes the molten high-temperature furnace slag, but also sufficiently utilizes heat energy stored in the high-temperature furnace slag, and prevents the high-temperature furnace slag from generating huge amounts of corrosive hot steam in the process of discharging. The jade type microcrystalline glass prepared by themethod is in the status of semitransparent wax, exactly looks like natural jade, has good cutting performance, high intensity and good tenacity, can be used for replacing natural stones in construction industry, and can be used for replacing natural rare jades in machining artware.

The invention provides a method for preparing M 2+ ‑Al 3+ ‑Fe 3+ Methods and applications of hydrotalcite-like materials. The method is: add dilute hydrochloric acid to acidify the feedwater sludge containing amorphous iron and aluminum hydroxide, adjust the pH value, and stir to convert amorphous iron hydroxide and aluminum hydroxide into Fe 3+ and Al 3+ , then add a certain amount of divalent metal salt and urea, react at 120-180°C for 12-48 hours, wash the resulting precipitate, filter, and dry to obtain M 2+ ‑Al 3+ ‑Fe 3+ Multi-component hydrotalcite materials. The method is a new method for resource utilization of water supply sludge from a waterworks, and has the advantages of small equipment investment, low energy consumption, wide application of the obtained product, and high added value.

The invention relates to a method for preparing sulfuric acid from ferrous sulfate, which belongs to the technical field of solid waste comprehensive utilization. According to the technical scheme, the method comprises the following steps: ferrous sulfate and coal are uniformly mixed and then are fed into a high-temperature decomposition furnace; after roasting, furnace gas containing sulfur dioxide and a solid-phase substance containing Fe2O3 are generated; the furnace gas is catalyzed by a converter to generate sulfur trioxide, the sulfur trioxide is absorbed by concentrated sulfuric acid togenerate sulfuric acid, the aerobic atmosphere means that the volume fraction of oxygen in the gas introduced into the high-temperature decomposition furnace is 5-20%, and the volume fraction of sulfur dioxide in the sulfur dioxide-containing furnace gas is more than or equal to 10%. Compared with the prior art, no waste is generated in the technological process, the desulfurization rate of ferrous sulfate is larger than or equal to 93%, the content of Fe2O3 in the slag is larger than or equal to 86%, and the slag can be directly used as an iron smelting raw material. According to the method,the titanium dioxide production waste ferrous sulfate is recycled, potential sulfur resources are developed, and the current situation of shortage of sulfur resources in China can be relieved, and meanwhile, a circular economy industrial chain of a sulfuric acid method titanium dioxide enterprise is also formed.

The invention relates to a method for preparing phenol, which can be used for continuous production as well as improving the production efficiency and reaction yield. The method for preparing phenol comprises arylsulphonate and alkali have alkaline fusion reaction, and is characterized in that the alkaline fusion reaction is carried out in a screw reactor which is a known reactor. As a preferableproposal, the screw reactor is a double-screw extrusion reactor, and both the arylsulphonate and the alkali are solid. Compared with the traditional intermittent kettle type alkaline fusion method, the method of the invention shortens the reaction time by two thirds, obviously reduces the phenomena of material coking and decomposition, improves the reaction yield to be more than 10%, and increasesthe crude phenol content by over 90%. As arylsulphonate solid is applied in the reaction, the water vapor containing phenol generated in the alkaline fusion process can be greatly reduced, the processing is simple, environmental protection burden can be remarkably alleviated, and the method is in accordance with the existing national energy-saving and emission-reduction industrial policy.

The invention provides a method for preparing a microcrystalline jade plate by phosphorus slag, comprising the following steps: blending materials: mixing an addictive with a clarifying agent to form a uniform auxiliary mixed material; melting: adding the auxiliary mixed material to the molten phosphorus slag to obtain molten glass by melting, performing heat preservation, homogenizing and clarifying the molten glass to obtain molten high-temperature glass melt; molding: molding the high-temperature glass melt to obtain a formed base glass plate; crystallizing: transferring the formed glass plate to a crystallizing and annealing kiln for crystallizing and annealing; and finish machining: after the microcrystalline jade plate is delivered from the kiln, machining the glass plate to obtain a finished product of the microcrystalline jade plate. The microcrystalline jade plate obtained by the method has the advantages of wear resistance, corrosion resistance, high temperature resistance, no radiation, high utilization rate of the phosphorus slag, higher social benefit and higher economic benefit.

The invention relates to a foam glass ceramic prepared from blast furnace hot melting slag and a preparation method of the foam glass ceramic, belonging to the field of inorganic materials. In the preparation method, steeling blast furnace hot melting slag is used as a main raw material, coal ash, borax, calcined soda, rear sorted tail ore, quartz sand and the like are respectively measured, evenly mixed and then baked into porous blocks, the porous blocks are added in a slag ladle, smelting is carried out by using the blast furnace hot melting slag, a melting material is subject to water quenching to obtain glass water quenching materials with different particle sizes; and the glass water quenching materials are dried and ball-milled, a foaming agent is added to be mixed with the dried and ball-milled glass water quenching materials, press forming or spreading forming is carried out, and then the foam glass ceramic is prepared by nucleating, crystallization and sintering. In the invention, a large amount of heat energy stored in the blast furnace hot melting slag is effectively utilized, and production cost is lowered; and the prepared foam glass ceramic has the characteristics of low thermal conductivity, small density, high temperature resistance, corrosion resistance and high compression resistance and breaking strength, has strong adaptable property on high-low temperature variation of smoke, and can be widely used as a multi-cylinder type and sleeve type lining material for discharging smoke by wet desulphurization in a heat-engine plant, thermal equipment insulation, heat-insulating materials and the like.

The invention discloses an industrial preparation method of an iron oxide resin composite absorbing agent and belongs to the field of industrial production of composite resin absorbing agents for treating wastewater. The industrial preparation method includes the steps of (A), adding strong-base anion resin into a ferric salt solution in batches, and stirring; (B), filtering, and recycling filtrate to be reused in the step (A); (C), adding the filter residues of the step (B) into a sodium hydroxide solution in batches to perform reaction, and filtering; (D), adding NaOH into the filtrate of the step (C), and reusing the filtrate in the step (C); (E), using a sodium chloride aqueous solution and water to wash the filter residues of the step (C), filtering, and drying. The industrial preparation method of the immobilized Fe (III) strong-base anion resin absorbing agent has the advantages that substances such as the ferric salt solution, alkali liquor and acid liquor can be recycled and reused, production cost and environment pollution are reduced greatly, and the method conforms to the current industrial policy of energy conservation and emission reduction of China and suitable for being industrially popularized.

The invention provides a novel welding slag ladle suitable for a slow cooling process of copper slag. The novel welding slag ladle comprises a ladle body, a ladle bottom and a plurality of ladle feet, wherein the ladle body is pressed into a whole; the ladle bottom is welded at the bottom of the ladle body; the ladle feet are welded at the bottom of the ladle bottom; a radiating space is formed between the two adjacent ladle feet; the ladle body, the ladle bottom and the ladle feet are all made of low-alloy high-strength plates. The novel welding slag ladle does not have any structural change during a using process and is particularly suitable for the slow cooling process of the copper slag; the service life of the welding slag ladle is greatly prolonged, so that the recycling cost of the copper slag is reduced.