71results about How to "Improve capture capacity" patented technology

The invention discloses a coal-fired ultrafine grain chemical agglomeration promotor which comprises the components based on mass percent: 0.001-0.2% of surface active agent, 0.0001-0.01% of water-soluble high molecular compound, 0.001-0.05% of inorganic salt additive and the rest of water. The invention can effectively promote ultrafine grains to agglomerate, improve the removal efficiency of a static precipitator for the ultrafine grains and high specific resistance flying ash, and reduce the soot emission and the charges for disposing pollutant of enterprises. The agglomeration promotor has the components with wide source, economical price, environmental protection, simple synthetic process, easy operation and no environmental pollution.

The invention relates to a one-step copper smelting technology and a device thereof. The interior of a furnace body is divided into three zones, namely a smelting zone, a blowing zone and a refining zone, by a retaining wall; and two rows of spray guns which are arranged in a staggered manner and have an included angle with a vertical line are arranged at the bottoms of the zones; return dust is mixed and then added into mixed copper concentrate and a solvent through a charging opening of the smelting zone, oxygen-enriched air is sprayed through the spray guns to carry out self-heating smelting, to generate copper matte; the spray guns in the blowing zone spray oxygen-enriched air so as to blow copper matte into crude copper and slag; the spray guns in the refining zone supply oxygen-enriched air for oxidization, and supply natural gas as a reductant for reduction, and the generated anode copper with high purity is interruptedly discharged form a copper discharging opening, so that the low-altitude pollution problem caused by SO2 can be solved, the operation environment can be greatly improved, the utilization rate of sulfur and heat can be obviously increased, and further the economic benefits can be increased further; in addition, the invention provides a one-step copper smelting technology which is more advanced, shorter in flow, lower in investment, lower in comprehensive energy consumption, higher in recovery rate, and better in comprehensive utilization in comparison with the existing continuous copper smelting technology.

The invention relates to the technical field of spraying waste gas treatment, in particular relates to a paint mist treatment method and a spraying tank. The paint mist treatment method comprises the following steps: (1) carrying out spraying adsorption on spraying waste gas by a water curtain formed by circulating water on a water screen baffle plate; (2) enabling the spraying waste gas to enter a rotary washing drum, carrying out rotary washing on the spraying waste gas, and carrying out spraying absorption on the spraying waste gas by a spraying device arranged at the top part of the rotary washing drum; (3) exhausting the spraying waste gas after treating the spraying waste gas through a demisting layer, wherein a paint mist decomposer and a paint mist catcher are added in the circulating water which is used for treating the spraying waste gas. According to the paint mist treatment method disclosed by the invention, the technologies of water screen spraying, rotary washing and spraying adsorption are combined, and a good paint mist removing effect is obtained; the paint mist decomposer and the paint mist catcher are matched with each other to be added in the circulating water, so that paint mist can be effectively prevented from sticking on the inner wall of the spraying tank; the paint mist in the circulating water is enabled to be flocculated and floats up, so that cleaning of floating paint mist scum is facilitated, the service cycle of the circulating water is prolonged, and the damage to equipment is reduced.

The invention relates to a papermaking auxiliary agent, and more specifically relates to a low-foaming liquid polyether waste paper deinking agent and a synthetic method thereof. The low-foaming liquid polyether waste paper deinking agent is capable of completely replacing sodium soaps, and a main compound of the low-foaming liquid polyether waste paper deinking agent is a special polyether. The synthetic method comprises following steps: (1) adding an unsaturated fatty alcohol which is used as an initiator into a reaction vessel, adding potassium hydroxide which is used as a catalyst for reaction, removing water until weight ratio of water is less than 0.3%, and adding oxirane and epoxypropane separately so as to obtain unsaturated enol-polyether; (2) adding an unsaturated long-chain fatty acid, toluene solvent and a catalyst into the reaction vessel, heating to 60 to 80 DEG C, at the same time dropwise adding a mixed solution of the product obtained in step (1), acrylic acid and toluene, then heating the mixture to 70 to 85 DEG C, and keeping the temperature for 1.5 to 4h so as to obtain a product; and (3) mixing and reacting the product obtained in step (2), propylene glycol block polyether, fatty alcohol-polyoxyethylene ether-7 or fatty alcohol-polyoxyethylene ether-9, and water so as to obtain the special polyether.

The invention discloses a method for implementing trapping and separation of CO2 in flue gas by adopting a magnesium-based absorbent and relates to a CO2 trapping and separation technology. According to the invention, Mg(OH)2 suspension is used as the absorbent for CO2 in the flue gas; compared with the existing CO2 trapping capacity, the CO2 trapping capacity of the method is finally greatly improved by controlling conditions of a suitable solid-to-liquid ratio of the suspension, a ratio of the absorbent to the flue gas and the like; and a food-grade CO2 product with high purity is also obtained. The method disclosed by the invention has strong CO2 trapping capacity, simple process, low trapping agent regeneration cost and strong technical applicability.

The invention discloses an automobile tail gas particulate matter trap and a filter element. A particulate matter coagulation unit (20), a charging unit (5) and the filter element (7) are arranged in a shell (8) in sequence in a direction from air inlet to air outlet, and the filter element (7) is wound into a cylindrical shape through a metal fiber plate (70). The metal fiber plate (70) comprises two metal fiber filtration and adsorption outer surface layers (71) and an electric heating film layer (73) clamped between the two metal fiber filtration and adsorption outer surface layers; heat conduction insulation layers (72) are arranged between the metal fiber filtration and adsorption outer surface layers (71) and the electric heating film layer (73); and the cross sections of the metal fiber filtration and adsorption outer surface layers (71) are corrugated, and the metal fiber filtration and adsorption outer surface layers (71) guide tail gas in the longitudinal direction. The automobile tail gas particulate matter trap is integrated with multiple functions of electrostatic adsorption and dust removal, filter element diffusion, intercepting, collision mechanism dust removing and the like, and the particulate matter trap effect is improved; the exhaust pressure loss of an engine is small, and the particulate matter trap effect is good; and the filter element is convenient to regenerate and reliable, and has the advantages of being low in use and maintenance cost and is suitable for popularization.

The invention relates to the technical field of purification machinery equipment, in particular to waste gas absorption and purification equipment and solves the problem that liquid is carried in exhaust gas. The invention has the technical key points that the waste gas absorption and purification equipment comprises a gas outlet, a gas inlet, a liquid outlet and a liquid inlet; the liquid inlet is connected with a liquid distributor, and a gas-liquid separation device is arranged above the liquid distributor and is positioned between the gas outlet and the liquid inlet; the gas-liquid separation device comprises a first supporting piece and a second supporting piece, and first baffles, second baffles and third baffles are arranged between the first supporting piece and the second supporting piece; one first baffle, one second baffle and one third baffle form a baffle; the gas-liquid separation device comprises a plurality of baffles arranged in parallel, and a first overflow passage and a second overflow passage which are arranged in a staggered manner are formed between the adjacent baffles. As the waste gas absorption and purification equipment is provided with the gas-liquid separation device, the gas-liquid separation device can more thoroughly separate the gas from the liquid carried in the gas.

The invention discloses a wet process desulphurization demisting device and a wet process desulphurization device, and belongs to the technical field of wet process desulphurization. The wet process desulphurization demisting device provided by the invention comprises at least two layers of parallel pipe rows; the two adjacent layers of pipe rows are in staggered arrangement; each layer of pipe row respectively comprises a plurality of mutually parallel hollow thin pipes and also comprises a cooling medium source; at least partial hollow thin pipes are communicated with the cooling medium source; the cooling medium source is used for providing cooling media for the hollow thin pipes. According to the wet process desulphurization demisting device and the wet process desulphurization device provided by the invention, the cooling media are communicated inside the pipe rows for cooling smoke gas; water vapor in the smoke gas can be condensed by using fine particulate matters and liquid drops as the core, so that the mass of the fine particulate matters and the liquid drops can be increased; the inertia is increased; the catching capability of the demisting device on the fine particulate matters and the liquid drops is improved; the generation of gypsum rain is avoided; the demisting effect is improved. The wet process desulphurization device provided by the invention is provided with the wet process desulphurization demisting device, and has the advantages that the scale formation blockage cannot easily occur; the demisting effect is good.

The invention relates to a dry type venturi paint mist trapping device. The device comprises a shell, wherein multiple rows of paint mist filtration and interception units arrayed in a cross manner are arranged in the shell, a gap is left between each two adjacent paint mist filtration and interception units in the same row, and the gap and the surfaces of the paint mist filtration and interception units at two sides form an air flowing channel of a venturi structure. The paint mist trapping device filters and intercepts paint particles in a filtration manner at the early stage and in a filtration and impact force co-existing manner at the late stage. By virtue of the venturi structure, the amount of paint particles intercepted and captured through the impact force can be greatly increased. Besides, the invention further relates to a dry type paint spraying system with the dry type venturi paint mist trapping device. The paint mist trapping device is arranged at the exhaust opening of the paint spraying system, so as to separate paint mist in the air. Compared with the prior art, the dry type venturi paint mist trapping device has a strong capture and absorption capability for paint mist, and the environment pollution and energy consumption can be greatly reduced.

The invention discloses application of a carboxylate compound as an absorbent for capturing carbon dioxide. The carboxylate compound provided by the invention is used as an absorbent for capturing carbon dioxide and/or is applied to preparation of the absorbent for capturing carbon dioxide; carboxylic acid anions in the carboxylate compound are carboxylate radicals with carbon chains with more than 3 carbon atoms, and cations are substituted quaternary ammonium ions and/or quaternary phosphonium ions. The method for efficiently trapping carbon dioxide in an energy-saving manner by adopting a carboxylate compound stable to water comprises the following steps: placing an aqueous solution of the carboxylate compound in a carbon dioxide atmosphere to absorb carbon dioxide, so as to obtain a conjugate of carboxylate and carbon dioxide separated out from water. The invention is used for solving the problems of corrosivity, volatility and high energy consumption of the existing system, and can obtain higher carbon dioxide capture capacity at high temperature, low pressure of carbon dioxide pressure and high pressure; the conjugate of carboxylate and carbon dioxide is stable to water; the carboxylate can be regenerated.

The invention discloses a xanthic acid-based attapulgite adsorbent. The adsorbent is prepared from attapulgite, sodium hydroxide, carbon disulfide, soluble magnesium salt and deionized water. The invention also discloses a preparation method of the xanthic acid-based attapulgite adsorbent. The preparation method comprises the following steps: dispersing and alkalifying attapulgite, then subjecting attapulgite to reaction with carbon disulfide, then carrying out transformation by utilizing magnesium salt to generate a magnesium salt solution of xanthic acid-based attapulgite and finally carrying out washing and drying, thus obtaining the xanthic acid-based attapulgite adsorbent. The xanthic acid-based attapulgite adsorbent is used for removing dyes in wastewater. The xanthic acid-based attapulgite adsorbent provided by the invention has strong dye adsorption capacity, short adsorption time and high adsorption capacity. The preparation method is simple and practicable to operate and rapid and convenient to operate and has the advantages of high dye decolorization rate and easiness in solid-liquid separation after adsorption.

The invention discloses novel dry type paint mist separated vehicle coating equipment. The equipment comprises a spraying chamber, a diversion chamber, a paint mist filtering separation device and anozone generator; a grille is arranged on the lower portion of the spraying chamber, a diversion device is arranged on the lower portion of the grille and on the upper portion in the diversion chamber,at least one inspection door is arranged on the left side and the right side of the diversion chamber, at least one paint mist collecting chamber is arranged on the front side and the rear side of the diversion chamber, a paint mist separation device is arranged in each paint mist collecting chamber, each paint mist separation device is composed of a frame and a filter screen in the frame, the paint mist collection chamber is connected with an air purification chamber which is internally provided with the ozone generator, an outlet of the air purification chamber is connected with an exhaustpipe, and the exhaust pipe is connected with a draught fan. Accordingly, overspray paint mist generated by the spraying chamber is obtained, the effect of adsorbing and separating the overpsray paintmist from exhausted exhaust gas is good, and the emission standard is achieved.

The invention relates to purifying equipment, in particular to flue gas purifying equipment of a kiln. The flue gas purifying equipment comprises low-temperature denitrifying equipment, desulfurizingequipment and wet type electrostatic demisting and dedusting equipment which are sequentially connected by a flue gas pipeline, wherein the low-temperature denitrifying equipment comprises a reactor body; the reactor body is divided into an ammonia spraying section, a mixing section, a flow equalizing section and a reaction section from bottom to top; an ammonia gas spraying device is arranged atthe ammonia spraying section; a reductant preparation system and a catalyst spraying device are arranged at the mixing section; the wet type electrostatic demisting and dedusting equipment comprises an electric demister body and a high-voltage electrostatic device in the electric demister body; the high-voltage electrostatic device is connected with a plurality of corona wires, and the plurality of corona wires are respectively inserted into hollow deposition electrode pipes and are not in contact with the inner walls of the deposition electrode pipes. The flue gas purifying equipment has theadvantages that the purifying efficiency is high, and the purifying effect is obvious; the 5mg-below superlow emission standard can be reached.

The invention provides aminoethylated piperazine and a preparation method thereof, a carbon dioxide absorbent and application of the carbon dioxide absorbent, belonging to the technical field of carbon dioxide trapping. According to the aminoethylated piperazine with a structure as shown in a formula I, piperazine is introduced to serve as a framework, the stability of aminoethylated piperazine molecules is enhanced through the structural toughness of a piperazine ring, and then, thermal degradation of aminoethylated piperazine in a heating desorption process is inhibited; an aminoethyl side chain is bonded on a nitrogen atom of the piperazine framework, so polar nucleophilic reaction sites are increased, and the mobility and the water solubility of the absorbent are enhanced while the carbon dioxide capture capacity of the absorbent is improved; and the side chain nitrogen atom is bonded with an alkyl group so as to convert the side chain nitrogen atom into tertiary amine, and the number of N-H bonds in an aminoethylated piperazine structure is controlled so as to reduce reaction heat during carbon dioxide absorption, so carbon dioxide desorption efficiency is improved, the energy consumption of desorption is reduced, and the recycling performance of the captured carbon dioxide is excellent.

The invention provides a high-efficiency antibody fixing method of a biological chip. The high-efficiency antibody fixing method of the biological chip comprises the steps of: (1), activating the surface of the biological chip; (2), constructing a 3D micro-structure; (3), performing coupling layer grafting; (4), performing covalent fixing of the antibody; and (5), performing closed elution. The method in the invention solves the problem in the existing polymer chip antibody fixing technology. The method is simple in preparation and low in cost, and is suitable for industrial production. The obtained biological chip has the characteristics of being high in antibody fixing efficiency, good in uniformity, low in background and high in signal to noise ratio, and can be applied to multiple in-vitro detection biological chip carriers.

The invention discloses anion functional ion liquid containing acylamino as well as a preparation method and application thereof. According to the technical scheme, the anion functional ion liquid containing acylamino is characterized by taking a compound containing single acylamino or a compound containing double acylamino as anions and taking tetra-alkyl phosphine as cations. The invention further discloses the preparation method of the anion functional ion liquid and the application of the anion functional ion liquid to a sulfur dioxide gas capturing agent. According to the application, acylamino is introduced into the anions of the functional ion liquid and the capturing amount of sulfur dioxide gas is improved under the interaction of anion enhanced acylamino and the sulfur dioxide gas, and the desorption performance of the ion liquid is improved by virtue of an electron-withdrawing property of acylamino on the anions, so that the efficient and reversible capturing of the sulfur dioxide gas is carried out.

The invention discloses a sampling apparatus for gas-liquid separation equipment. The sampling apparatus comprises an inlet acquisition device and a sample capture device; one end of the inlet acquisition device is provided with a reducing sampling nozzle ensuring isokinetic sampling at different gas rates; the sample capture device includes primary liquid trap chamber (3) and secondary liquid trap chamber (2); filter element (9) is fitted in the primary liquid trap chamber (3); filter barrel (8) is fitted in the secondary liquid trap chamber (2); liquid components are absorbed to maximum extent, so that sampling accuracy is improved; the inlet sampling device is connected with the sample capture device via flange (5); liquid trap chamber cap (4) is in threaded connection with the primaryliquid trap chamber (3); the primary liquid trap chamber (3) is in threaded connection with the secondary liquid trap chamber (2); outlet pipe section (1) and the secondary liquid trap chamber (2) areintegrated; the sampling nozzle (10), elbow (7) and decelerating pipe (6) are integrated. The whole sampling apparatus has good airtightness, is simple to operate and convenient to maintain, and canprovide high-precision sampling.