141results about How to "Increase mixing intensity" patented technology

The invention discloses a method and device for producing sulfolane, and relates to a sulfolane production method and a device thereof. The invention mainly aims to solve the problems of poor effect, complex device and the like since kettle type reaction is adopted in the existing method for producing sulfolane. The method comprises the following steps: putting sulfur dioxide and polymerization inhibitor into a synthetic mixed reactor, injecting butadiene, and enabling the materials to circularly react in a synthetic static mixer, a synthetic heating and cooling unit and the synthetic mixed reactor by using a circulating pump; and diluting the sulfolene produced after reaction with benzene, adding catalyst and hydrogen, and enabling the materials to circularly react in a hydrogenation mixed reactor, a hydrogenation static mixer and a hydrogenation heating and cooling unit. The device comprises the synthetic mixed reactor, the circulating pump, the synthetic static mixer, the syntheticheating and cooling unit, the hydrogenation mixed reactor, the hydrogenation static mixer and the hydrogenation heating and cooling unit. The invention has the advantages of favorable reaction effectof materials, simple device and high safety, and the materials can be fed continuously and uniformly.

The invention provides an integrated afterburner with grid-structure rectification supporting plate flame stabilizers. The rectification supporting plate flame stabilizers in the radial direction areuniformly distributed on a thrust augmentation inner cone in the circumferential direction; the rectification supporting plate flame stabilizers in the circumferential direction perpendicularly intersect with the rectification supporting plate flame stabilizers in the radial direction and surround the thrust augmentation inner cone for one circle; the cross-sectional shape of the rectification supporting plate flame stabilizers in the radial direction is same as that of the rectification supporting plate flame stabilizers in the circumferential direction; and through the net-shaped structuraldesign of the rectification supporting plate flame stabilizers, a back flow area which is uniform and stable and has the certain fuel gas back flow amount and the appropriate size can be effectively formed on the downstream. Fuel oil enters the rectification supporting plate flame stabilizers through a fuel oil channel, is heated through high-temperature incoming gas and then is sprayed out through main fuel oil spray nozzles and standby fuel oil spray nozzles which are located on the two sides of the V shapes of the rear of the rectification supporting plate flame stabilizers, the fuel oil atomization degree and mixing of fuel oil and air can be effectively enhanced, and the burning stability and burning efficiency are improved.

The invention discloses a planar passive micro mixer based on vortex forming structure enhanced mixing, relating to the field of micro fluid mixing in micro total analysis systems and micro fluid control chips as well as the related fields. The micro mixer is formed by connecting a straight passage, a cross passage, a first C-shaped passage and a second C-shaped passage; a passage outlet is formed at a straight passage outlet connected with the second C-shaped passage, and vortex forming structures are arranged in the C-shaped passages; and the end arm of the cross passage, which is opposite to the connected C-shaped passage, is provided with a second passage inlet (2), and the end arm vertical to the end arm is provided with a first passage inlet (2) and a third passage inlet (3) respectively. Compared with a planar passive micro mixer without the vortex forming structures, the planar passive micro mixer based on vortex forming structure enhanced mixing has the advantage of obviously enhancing the mixing strength of the micro fluid in the passages because several kinds of vortex generated by the vortex forming structures are generated in different dimensional planes respectively.

The invention discloses a bubble reactor with multiple layers of draft tubes and a using method for the bubble reactor. The multiple layers of draft tubes are sleeved by a reactor shell; the diameter of each draft tube is different; the draft tubes are used for internally dividing the reactor shell into a plurality of stages of ring-shaped areas, height of the draft tubes is gradually reduced towords the outer side along the center; the draft tube located at the center communicates with a liquid inlet; the ring-shaped area at each stage and the draft tube located at the center communicate with a gas inlet; the ring-shaped area on the outermost layer communicates with a liquid outlet; and a gas outlet is formed in the top of the reactor shell. According to the reactor disclosed by the invention, liquid-phase cyclohexane overflows layer by layer, and oxygen molecule content of introduced air is improved stage by stage to carry out oxidation reaction, so that a mass transfer rate of oxygen can be sufficiently ensured to be matched with a reaction rate, and therefore, oxidation reaction can be stably and efficiently performed. The bubble reactor improves a flowing condition in the reactor, improves selectivity of a process, and can improve cyclohexane selectivity by 1.0%-2.5% in comparison with the prior art.

The present invention relates to the field of materials, and discloses an artificial stone material and a preparation method and use thereof, and the artificial stone material comprises the following components by weight: 20 to 60 parts of resin, 10 to 30 parts of a filling material and 6 to 10 parts of hollow glass beads. The hollow glass beads as a lightweight filler are added into the artificial stone formula, on the one hand, the density of the artificial stone formula is reduced, so that the artificial stone material is lighter in weight, on the other hand, due to good interface compatibility of the hollow glass beads and the resin and other filler relative to other lightweight materials, the artificial stone material is higher in strength retention rate, the artificial stone material is easier to polish, a product prepared from the artificial stone material has contamination-resistant surface appearance with good chemical resistance, a surface coating or gel coat is not needed, and artificial stone products are easy to design.

The invention relates to a hierarchical oxygen supply and controllable flame coal water slurry entrained bed combined nozzle which is arranged on a gasification furnace. The hierarchical oxygen supply and controllable flame coal water slurry entrained bed combined nozzle comprises a main fuel nozzle which is arranged at the top of a furnace, two steam nozzles which are arranged at the two sides of a furnace arch and two oxygen supply nozzles which are horizontally arranged in a hedging manner, wherein the nozzles are respectively connected with a coal water slurry source, an oxygen source and a steam source, and the openings of the nozzles lead into a hearth of the gasification furnace. According to the invention, an advanced temperature control technology combining a grading oxygen supply temperature control technology and a steam temperature control technology is adopted, combustion intensity and flame temperature in the furnace are effectively reduced, and the aim that ash at the outlet of the gasification chamber is non-fused solid slag; meanwhile, gasification reaction rate and carbon conversion rate are improved, thus gasification solid deslagging on a 'double high' coal type large-scale pressurization entrained bed in China is realized, and the hierarchical oxygen supply and controllable flame coal water slurry entrained bed combined nozzle provided by the invention is especially applicable to industrial application of a high-ash (25-27%) and high-ash-fusing-point (FT is more than 1400 DEG C) coal type large-scale gasification device in China.

The invention discloses a drying smoke desulfurizing method by using combined smoke jet. The character is that it adds a smoke jet nozzle above the water nozzle and desulfurizing agent muzzle. It realizes the fully combination of gas, solid and liquid in the desulfurizing reaction tower, increases the desulfurizing efficiency.

The invention discloses a high-temperature synthetic gas chilling device and a high-temperature synthetic gas chilling method for a gasification furnace. The chilling device comprises the coal gasification furnace, a chilling chamber and a synthetic gas guide pipe, wherein the chilling chamber is a space formed in a mode that a round, rectangular or polygonal section moves along the normal direction of the section; multiple layers of sprayer units are distributed on the periphery of the chilling chamber; and each sprayer unit comprises multiple sprayers distributed in a tangential circle shape along the circumferential direction; when the synthetic gas generated by the coal gasification furnace enters into the chilling chamber through the synthetic gas guide pipe so as to be chilled, the sprayers spray a cooling medium along a direction opposite to the synthetic gas movement direction, so that the cooling medium and the synthetic gas are uniformly mixed. According to the device and the method, multiple layers of multiple sprayers distributed in a tangential circle shape along the circumferential direction are adopted for spraying the cooling medium along the direction opposite to the synthetic gas movement direction, so that the influence of the chilling boundary on the temperature of the gasification furnace is reduced; and the cooling medium is sprayed along the direction opposite to the synthetic gas movement direction, so that the mixing intensity is improved, the residual rotation momenta of the synthetic gas are reduced, the length of the outlet guide pipe of the chilling chamber of the gasification furnace is greatly shortened, and the cost is lowered.

The present invention relates to external grain re-circulating technology in large circular fluidizing dry fume desulfurizing system. The desulfurizing process includes preparing desulfurizing agent, desulfurizing reaction inside the desulfurizing reaction tower and external desulfurizing agent grain separation and re-circulation. In the external grain re-circulation, the returned material is two-stage separated and re-circulated, the grains separated by the first stage and the second stage desulfurizing agent grain separator are fed to the fluidizing region in the lower part of the desulfurizing reaction tower separately through different re-circulation inlets, resulting in raised desulfurizing agent grain utilization and desulfurizing reaction efficiency. Compared with available technology, the present invention has much higher fume dedusting efficiency, high desulfurizing efficiency up to 92 % at Ca/S of 1.1-1.3, less adhesion and blocking in the lower desulfurizing tower part and lowered load of the desulfurizing agent grain separator.

The invention belongs to water treatment equipment, and particularly relates to a spiral flocculator which comprises a support. At least two spiral plates with opposite turning directions are longitudinally arranged on the support at intervals, the upper end and the lower end of each spiral plate are rotationally assembled on the support, and strip-shaped blades are radially fixed onto outer edges of the spiral plates. The spiral flocculator is mounted between two adjacent partition boards in a folded plate type flocculation reaction tank when applied to the folded plate type flocculation reaction tank. The spiral flocculator solves problems of large application limitation, poor flocculation effect and large occupied area of an existing reaction tank in the prior art, and has the advantages that a disturbance effect to water flow is good, the occupied area of the reaction tank is small, installation is simple, energy is saved, and the like.

The invention relates to a combustion device of a circuit cyclone pre-mixing multi-row array jet cyclone penetrating heat accumulating sleeve and solves the problems that combustion air and coal gas are not uniformly mixed, the mixing strength is not high, the coal gas grading combustion effect is poor and uncontrollable, the air flow field distribution is hardly uniform, and the combustion temperature is uncontrollable effectively. Multiple pairs of coal gas inlet pipes and air inlet pipes are arranged on the outer side wall of a cyclone premixing circuit in a cylindrical wall body; multiplerows of cyclone array premixing gas nozzles are arranged in the inner side wall; a high speed cyclone channel is arranged in the barrel-shaped combustion heat accumulating body in an inner cavity; a premixed gas cyclone combustion circuit is arranged between the barrel-shaped combustion heat accumulating body and the cylindrical wall body; multiple rows of cyclone array combustion nozzles are arranged in the cylindrical wall; the spaces in the plurality of combustion heat accumulating body supporting columns in the bottom are combustion fuel gas outlets; and an adjusting air flow spraying inlet pipe is arranged on a semispherical arch crown. The combustion device changes the flow field structure of the combustion air flow, intervenes the combustion process deeply, is fuel- and investment-saving and reduces the emission of toxic gas.

The invention discloses a method and a device for treating acid mine wastewater. The device consists of a sodium sulfide solution box, a hydrochloric acid solution box, a drug reactor, a venture tube, a plurality of chemical industry valves and a plurality of corresponding pipelines, wherein a sodium sulfide solution adding port, a hydrochloric acid solution adding port and an air vent are arranged at the top of the drug reactor, a diluted hydrochloric acid solution adding port is arranged right above an automatically-flowing outlet at the bottom of the reactor, and the sodium sulfide solution adding port and the air vent are distributed at two sides of the top of the reactor. The device is simple in structure, the operation method is easy and convenient, and the operation is safe..

A new T type micro mixer includes inlet channels, a preliminary mixing channel and an outlet channel, the number of the inlet channels is at least two, the at least two inlet channels are respectively communicated with inlets of the preliminary mixing channel, the preliminary mixing channel and the outlet channel are linear structures, the mixer also comprises a bending pipe, the bending channel includes a periodic asymmetric curve bending channel, bending channel units in the periodic asymmetric curve bending channel are front and back connected in sequence, the spatial arrangement order is successively as follows: successively repeating as the order of a downward bending face, a rightward bending face, an upward bending face, a leftward bending face, a downward bending face, a rightward bending face, an upward bending face, a leftward bending face, and the like, the headmost bending channel unit in the bending channel is communicated with an outlet of the preliminary mixing channel, and the last bending channel unit in the bending channel is communicated with the outlet channel. The invention provides the new T type micro mixer to improve the mixing efficiency.

The present invention provides a dry flue gas desulfurizing process with independent feeding, feeding back and water-spraying device. It includes desulfurizing agent preparation digestion system, desulfurizing reaction tower and desulfurizing reaction system and exterior desulfurizing granules separation and recirculating system. The water-spraying atomization device of desulfurizing reaction tower, desulfurizing agent feeding device and granules recirculating feed back device are independently placed, and the different heights of the desulfurizing reaction tower are equipped with respective nozzles, so that the structure can raise the utilization rate of the desulfurizing agent and can raise the desulfurizing effect.

The invention relates to a micro-upgrading passive mixing type mixer, which comprises an inlet end cover (1), a mixing cavity assembly, an ultrahigh-pressure sealing structure assembly and an outlet end cover (10), wherein solvent inlet holes are symmetrically arranged on one end of the inlet end cover (1), the ends of the solvent inlet holes converge into an outlet hole communicated to the end surface of the other end of the inlet end cover (1), the mixing cavity assembly and the ultrahigh-pressure sealing structure assembly are sequentially installed in the inner cavity of the outlet end cover (10), one end of the inlet end cover (1) is installed in the outlet end cover (10), and the ultrahigh-pressure sealing structure assembly and a mixing cavity (9) are pressed. According to the present invention, the micro-upgrading passive mixing type mixer can overcome the problems of large system delay dead volume, low mixing efficiency, low mixing uniformity, insufficient sealing performanceunder high pressure and the like caused by large volume of the existing mixer, and is suitable for ultrahigh performance liquid chromatography analysis by adopting an ultrahigh pressure binary pump gradient elution method in food safety, medicine preparation, environmental protection detection, chemistry and chemical engineering, scientific research and the like.