48results about How to "Guaranteed absorption rate" patented technology

The invention discloses a two-phase amine absorbent for capturing carbon dioxide and the application thereof. The two-phase amine absorbent is a ternary component system formed by diethylenetriamine, pentamethyl diethylenetriamine and water. The total concentration of diethylenetriamine and pentamethyl diethylenetriamine in water is 4-5 mol / L, and the molar ratio of diethylenetriamine to pentamethyl diethylenetriamine is (1:4)-(4:1). The independent aqueous solutions of the two organic amines do not have phase separation ability after absorbing CO2; however, the two-phase amine absorbent consisting the ternary component system has phase separation ability, and the two-phase amine absorbent is a homogeneous solution before absorbing CO2 and is divided into two phases after absorbing CO2. After saturated absorption, CO2 is rich in water phase; after phase separation, it only needs to conduct thermal regeneration on solution rich in CO2, so that rich liquid amount required for regeneration is reduced greatly, regeneration energy consumption can be effectively reduced, efficient CO2 absorbability can be maintained, and application prospects are broad.

The invention belongs to the field of solar heat utilization, and discloses a preparation method of a solar selective-absorption thin film with a spinel structure. The selective-absorption thin film is subjected to pulling and film plating through a sol-gel method and is formed by roasting. The preparation method is characterized in that metal salt of copper, cobalt and manganese is used as a sol precursor body, alcohol is used as a solvent, metal sol impregnation liquid is prepared by mixing the sol precursor body and the solvent with hydroxyl carboxylic acid and polyethylene glycol 200 according to a certain ratio, a layer of thin film can be plated on a metal substrate having an infrared reflection characteristic by adopting a pulling method after a film forming agent is added, an obtained thin film has higher solar absorption rate (0.90-0.93) and lower emissivity (0.05-0.07) after being subjected to 80-100 DEG C solidification for 30-60 minutes and then being subjected to 500 DEG C heat treatment for 30-60 minutes, and the photo-thermal conversion efficiency of a solar heat collector can be effectively increased.

The present invention relates to a core material for a vacuum insulation panel and a manufacturing method for same, and comprises the following steps: (a) preparing an inorganic binder solution; (b) dipping glass wool into the inorganic binder solution; (c) loading the glass wool onto the upper portion of a chamber; (d) creating a vacuum inside the chamber in order to discharge the inorganic binder solution into the chamber; and (e) drying the glass wool and molding it into the form of the core material for manufacturing a vacuum insulation panel, thus enhancing the long-term durability of the vacuum insulation panel.

The invention provides nutrient milk powder. Each 1,000kg of the nutrient milk powder comprises the following components: 18-32kg of desalted whey powder, 312-393kg of alpha-lactalbumin, 12-31kg of concentrated lactalbumin, 291-359kg of cream, 22-44kg of n-3 polyunsaturated fatty acid and 132-201kg of n-6 polyunsaturated fatty acid, wherein the mass content ratio of the n-6 polyunsaturated fatty acid and the n-3 polyunsaturated fatty acid is (3:1)-(6:1). The nutrient milk powder ensures the demanded amount of comprehensive breakfast nutrition, and meanwhile the amino acid composition is conditioned and optimized, so that the PDCAAS (Protein Digestibility Corrected Amino Acids Score) of a product is equal to 1, the product is natural and safe, the raw materials are strictly selected, no food additives such as flavors and fragrances are added, and the nutrition components completely meet the recommended amount of food instruction of China. The nutrient milk powder is taken together with staple food, and energy, protein, carbohydrate and fat all meet the requirements on nutrition of breakfast.

The invention discloses an absorption device of acidic material and hydrolysable fluoride in sulfur hexafluoride gas. The absorption device comprises a gas absorption cell and absorption liquid, the absorption liquid is arranged inside the gas absorption cell; the gas absorption cell adopts a vertically arranged slender structure; the absorption liquid adopts sodium hydroxide solution with certain concentration; a plurality of electromagnetic valves which can be arbitrarily opened and closed are arranged on a control pipeline of the gas absorption cell; the bottom of the gas absorption cell is connected with a gas inlet; a pressure reducing valve and a stable-flow valve are further connected with the part between the gas inlet and the bottom of the gas absorption cell; the bottom of the gas absorption cell is further connected with an automatic sample injector and a liquid outlet; the top of the gas absorption cell is connected with a gas outlet; a pressure sensor is arranged at the top of the gas absorption cell. The invention further provides a method for adopting the absorption device of acidic material and hydrolysable fluoride in sulfur hexafluoride gas. The method has the characteristics of high convenience in operation, high absorption efficiency and low solution use level.

The invention discloses a cultivation method for blueberries rich in selenium. Selenium fertilizer is sprayed during the growing period of the blueberries. The method specifically comprises the steps that after leaves of the blueberries sprout, the selenium fertilizer is sprayed by the ratio of 200-300 mg / kg, and spraying is carried out three times every 24 hours; after the blueberries blossom and pollination is finished, the selenium fertilizer is applied on the roots of the blueberries, and the application amount is 100-200 kg per mu; four weeks before the blueberries mature, the selenium fertilizer is sprayed three times by the ratio of 15-22 mg / kg every 24 hours; after fruits are harvested, the selenium fertilizer is applied on the roots of the blueberries, and the amount is 250-300 kg per mu. The cultivation method for the blueberries rich in selenium is simple, foliage dressing and roil root fertilizing are utilized during different growing periods of the blueberries, the absorption rate is ensured to the maximum degree, and environmental pollution is reduced; the growth elements of nitrogen, phosphorus and potassium can be provided for growth of the blueberries, and nutrients needed by the growth of the blueberries can be ensured.

The invention discloses a production method of ultra-pure electronic grade phosphoric acid, comprising the following steps of: (1) vaporizing high purity phosphorous oxychloride by heating and allowing phosphorous oxychloride steam to enter a phosphoric acid generator; (2) heating high purity water to prepare water vapor, and allowing water vapor to enter the phosphoric acid generator; (3) adjusting the mass ratio of water vapor to phosphorous oxychloride steam in the phosphoric acid generator, conducting a reaction to generate ultra-pure phosphoric acid and hydrogen chloride steam, adding phosphoric acid into a liquid collection tank, removing bubbles from hydrogen chloride and putting it into a hydrochloric acid liquid trap; (4) heating the obtained phosphoric acid, and separating hydrogen chloride under vacuum to obtain ultra-pure electronic grade phosphoric acid; and (5) allowing the obtained hydrochloric acid to enter an evaporator, vaporizing a hydrogen chloride gas, carrying out cyclic absorption by the use of an absorption liquid to obtain high purity hydrochloric acid; and carrying out condensation and despumation on the tail gas which has undergone absorption, and allowing the tail gas to pass through a tail gas tower and to be discharged into the atmosphere. According to the invention, the gas phase reaction between phosphorous oxychloride and water vapor is conducted, contact surface of reactants is enlarged, reaction speed is effectively controlled, and the contents of water and hydrogen chloride in phosphoric acid are controlled. Therefore, the ultra-pure electronic grade phosphoric acid can be prepared with a by-product of high purity hydrochloric acid.

The invention discloses a two-phase amine absorbent for capturing carbon dioxide and the application thereof. The two-phase amine absorbent is a ternary component system formed by diethylenetriamine, pentamethyl diethylenetriamine and water. The total concentration of diethylenetriamine and pentamethyl diethylenetriamine in water is 4-5 mol / L, and the molar ratio of diethylenetriamine to pentamethyl diethylenetriamine is (1:4)-(4:1). The independent aqueous solutions of the two organic amines do not have phase separation ability after absorbing CO2; however, the two-phase amine absorbent consisting the ternary component system has phase separation ability, and the two-phase amine absorbent is a homogeneous solution before absorbing CO2 and is divided into two phases after absorbing CO2. After saturated absorption, CO2 is rich in water phase; after phase separation, it only needs to conduct thermal regeneration on solution rich in CO2, so that rich liquid amount required for regeneration is reduced greatly, regeneration energy consumption can be effectively reduced, efficient CO2 absorbability can be maintained, and application prospects are broad.

The invention discloses a method for preparing manganese sulfate by absorbing sulfur dioxide in flue gas with manganese dioxide ore pulp, comprising the following steps: performing wet ball milling on manganese dioxide ore and grading to obtain initial ore pulp, and the particle size of the ore material in the initial ore pulp is less than 149 μm, the initial pulp is crushed by a vertical stirring mill to obtain a reaction pulp, and 90% of the particle size of the mineral material in the reaction pulp is below 50 μm; add a manganese sulfate solution containing Fe3+ and / or Fe2+ to the obtained reaction pulp, and then make the reaction pulp Absorption reaction with high-temperature flue gas containing sulfur dioxide, the reaction temperature is controlled at 90 ° C ~ 95 ° C; after the completion of the absorption reaction, the reaction product is subjected to solid-liquid separation, iron and heavy metal removal, and then concentrated and crystallized under normal pressure to obtain monohydrate Manganese sulfate. The method of the invention has the advantages of energy saving and environmental protection, high resource utilization rate, high product added value, good flue gas desulfurization effect, continuous and thorough reaction, low cost and the like.

A method for producing steel used in a titanium master alloy bonding wire by small billet continuous casting belongs to the steelmaking technical field. The process route is as follows: low-sulfur molten iron and scrap steel, converter blowing, slag blocking and tapping, steel ladle deoxidation alloying, secondary refining, complete protection continuous casting by a small billet caster and casting blank inspection. The method is characterized by controlling technical parameters of critical process links, reducing the contents of aluminum and nitrogen in the molten steel, solving the problem of submerged nozzle clogging and crystallizer protecting slag floater easily occurring at the small billet continuous casting of high titanium steel variety, and realizing the smooth production of thesteel used in the titanium master alloy bonding wire by the small billet continuous casting. The method has the advantages of being capable of replacing a production process for producing the steel used in the titanium master alloy bonding wire by continuous casting of die casting and large billets, achieving 0.08-0.17% titanium content of a product and fully meeting the use requirement of the steel used in the bonding wire.

The invention discloses a solar photothermal coupling hydrogen production device based on frequency division technology, which includes a photothermal coupling reactor and a liquid storage tank; Above, the middle of the liquid storage tank is connected through a temperature-controlling fluid layer, and the photothermal coupling reactor is wrapped in the temperature-controlling fluid layer. Right below the photothermal coupling reactor, two solid-state frequency dividers are symmetrically arranged, and the two sides of the liquid storage tank A heat-absorbing fluid layer and a vacuum layer are arranged on the inner side of the side in turn, and several reflectors are arranged side by side directly under the liquid storage tank; when working, the test sample containing the photothermal catalyst is placed in the photothermal coupling reactor, and the light source passes through the solid state separation The frequency converter divides the light source into an infrared part and an ultraviolet part. The energy of the infrared part is finally transferred to the photothermal coupling reactor, and the ultraviolet part is projected onto the photothermal catalyst. The invention is used for the photothermal coupling hydrogen production experiment of catalyst particles, and has the advantages of environmental protection, high efficiency, simple and convenient operation, and the like.

The invention discloses an absorption device for acidic substances in sulfur hexafluoride gas and hydrolyzable fluoride, which comprises a gas absorption pool and an absorption liquid. The absorption liquid is arranged inside the gas absorption pool. The gas absorption pool is a vertical The long and thin structure placed vertically, the absorption liquid is a certain concentration of sodium hydroxide solution; the control pipeline of the gas absorption pool is provided with a number of electromagnetic valves that can be opened and closed arbitrarily; the bottom of the gas absorption pool is connected to There is an air inlet, and a pressure reducing valve and a steady flow valve are sequentially connected between the air inlet and the bottom of the gas absorption pool; the bottom of the gas absorption pool is also connected with an automatic sampler and a liquid outlet ; The top of the gas absorption pool is connected with an exhaust port; the top of the gas absorption pool is provided with a pressure sensor. The invention also proposes a method for absorbing acidic substances and hydrolyzable fluorides in sulfur hexafluoride gas, which has the characteristics of convenient operation, high absorption efficiency and less solution consumption.

The invention discloses a production method of ultra-pure electronic grade phosphoric acid, comprising the following steps of: (1) vaporizing high purity phosphorous oxychloride by heating and allowing phosphorous oxychloride steam to enter a phosphoric acid generator; (2) heating high purity water to prepare water vapor, and allowing water vapor to enter the phosphoric acid generator; (3) adjusting the mass ratio of water vapor to phosphorous oxychloride steam in the phosphoric acid generator, conducting a reaction to generate ultra-pure phosphoric acid and hydrogen chloride steam, adding phosphoric acid into a liquid collection tank, removing bubbles from hydrogen chloride and putting it into a hydrochloric acid liquid trap; (4) heating the obtained phosphoric acid, and separating hydrogen chloride under vacuum to obtain ultra-pure electronic grade phosphoric acid; and (5) allowing the obtained hydrochloric acid to enter an evaporator, vaporizing a hydrogen chloride gas, carrying out cyclic absorption by the use of an absorption liquid to obtain high purity hydrochloric acid; and carrying out condensation and despumation on the tail gas which has undergone absorption, and allowing the tail gas to pass through a tail gas tower and to be discharged into the atmosphere. According to the invention, the gas phase reaction between phosphorous oxychloride and water vapor is conducted, contact surface of reactants is enlarged, reaction speed is effectively controlled, and the contents of water and hydrogen chloride in phosphoric acid are controlled. Therefore, the ultra-pure electronic grade phosphoric acid can be prepared with a by-product of high purity hydrochloric acid.

The invention discloses a Stirling power generator with a spherical Fresnel solar thermal collector and belongs to the technical field of solar power generation. According to the Stirling power generator, based on the Stirling cycle and the power generating mode of utilizing the solar thermal effect, the structural rigidity of a Fresnel lens is guaranteed through a solar thermal collection deviceprovided with the spherical Fresnel lens, the lens is not liable to deform through the semi-spherical structure, and light rays are not liable to defocus; an umbrella-shaped supporting frame is adopted, so that stability is high, and the converging light rays are not shielded; meanwhile, sunlight can be converged orthogonally at any sun inclination angle, and thus the convergence ratio of the lensand the solar utilization rate are increased; the optical distance that the sunlight passes through the lens is decreased, absorption of the lens to the sunlight is reduced, the solar absorptivity ofa system is better guaranteed in the light condensing aspect, and the power generation efficiency of the power generator is improved effectively; and the power generator can be further matched with other power storage devices in use for storing power, materials with high energy consumption are replaced, the production cost is reduced, and pollution is reduced.

The invention discloses a secondary absorption tower capable of realizing low-level heat recovery. The secondary absorption tower comprises a tower body, an acid distributor arranged at the upper partof the tower body, a filler arranged below the acid distributor and an acid circulating tank arranged at the bottom of the tower body; the spraying density of the acid distributor of the secondary absorption tower is set to be 2.0-3.5 m < 3 > / m < 2 >. h; and the secondary absorption tower packing is set to be ceramic packing with the diameter phi of 20-50mm. According to the secondary absorptiontower provided by the invention, low-level heat in the secondary absorption process can be recycled, the secondary absorption process system is simple and feasible to improve, the economic cost can besaved, and huge economic benefits are realized.

The invention discloses an ammonia desulfurization device, which comprises a flue inlet, a flue outlet, an oxidation section, a concentration section, an absorption section, a recovery section, a washing section, a concentration tank, an ammonia water tank, a washing tank, a first circulating pump, a second Second circulation pump, third circulation pump, fourth circulation pump, oxidation air spray gun. The invention internally divides the original reaction device to form two completely different reaction areas of oxidation and ammonia reduction, which improves the reaction efficiency and ensures the stable operation of the system. The invention also discloses an ammonia desulfurization process. The flue gas enters from the inlet of the flue, and after entering the recovery section, the ammonium sulfate solution with pH<5 generated in the oxidation section is sprayed twice to the flue gas entrained with ammonia. Spray washing, so that part of the ammonium sulfite concentration is always maintained in the absorption circulation liquid, and the ammonia water is changed from the original absorbent to the reducing agent. Improve the utilization efficiency of ammonia water while maintaining the absorption effect of the absorption liquid.

The invention provides a dust-fall treatment system for fluorine gypsum truck loading and belongs to the field of a dust-fall device. The dust-fall treatment system for fluorine gypsum truck loading is characterized in that a gypsum storage is internally provided with a truck parking chamber (2) and a gravity settling chamber (4), the middle part of the truck parking chamber (2) is provided with a loading port (1), the gravity settling chamber (4) is divided into five gravity settling areas by clapboards (20), a first gravity settling area (12) is divided into a main gravity settling area and a secondary gravity settling area by a vertical clapboard (14), the vertical clapboard (14) between the first main gravity settling area and the secondary gravity settling area is perpendicular to a clapboard (20) between the first gravity settling area (12) and a second gravity settling area (10), and each gravity settling area is provided with a material cleaning port (16), an observing port (17), an upper air inlet (11) and a lower air inlet (3). The whole fluorine gypsum truck loading process is basically closed truck loading; air is introduced into the settling chamber by an auxiliary draught fan to perform dust-fall; the dust absorption rate is more than 90%; and not only is the truck loading environment of a forklift driver improved, but also the environment is protected.

The invention relates to the technical field of orthopedic disease treatment, and discloses an external preparation for treating orthopedic disease, comprising the following raw materials in parts byweight: Angelica sinensis 12-20 part, szechwan lovage rhizome 6-12 part, chinaroot greenbrier 5-10 parts, ephedra 4-8 part, polygonum cuspidatum 5-10 part, liquorice 10-20 parts, safflower 8-16 parts,teasel root 6-12 parts, Turpinia formosana 3-6 part, Rabdosia rubescens 2-6 portions, Saposhnikovia divaricata 5-10 parts, lotus leaf 3-6, angelica 4-8 part, tortoise shell 2-6 part, nutgall 2-5 part, red halloysite 1-2 part, salicylic acid 2-5 part, diclofenac 2-5 part, allopurinol 2-4 part, borneol 1-3 part, film forming auxiliary agent 20-30 part. The invention also discloses a preparation method of the external preparation for treating orthopedic diseases. The external preparation prepared by the invention has good curative effect on orthopedic diseases under the combined action of various raw materials.