118results about How to "Reduce volume ratio" patented technology

The invention discloses a method for enhancing mass transfer through the suspension bed hydrogenation technology. The method comprises the following concrete steps: transferring feed oil with uniformly dispersed catalysts and hydrogen gas into a microscopic bubble generator in front of a reactor, fully mixing to ensure that the hydrogen gas is dispersed into the feed oil in a microscopic bubble mode, and then transferring the mixture into a suspension bed reactor to perform a hydrocracking reaction. By adopting the method provided by the invention, the utilization rate of the hydrogen gas can be increased, the mass transfer effect between a gaseous reactant and a liquid reactant can be enhanced, the hydrogen-oil volume ratio can be reduced, the operating cost can be saved, and the hydrocracking reaction depth can be increased.

The invention relates to a closed-loop processing integrated process for the high-efficiency air stripping and the tail-gas ammonia recycling of ammonia-nitrogen wastewater, which is characterized in that: by selecting the types of fillers, tower internals and the like of an ammonia-nitrogen air-stripping tower and strengthening a gas-liquid mass transferring process, the ammonia removing efficiency is improved, and meanwhile, the gas-liquid volume ratio is reduced, thereby the energy consumption is markedly reduced; the invention provides a renewable ammonia-absorbing solution which can be used for efficiently absorbing the ammonia in air-stripping gas, and the ammonia is regenerated and desorbed to obtain strong ammonia water with the concentration of 10-25wt%, therefore, the high-efficiency recovery and the recycling of the ammonia in the air-stripping gas is realized, and the absorbing solution is recycled after being regenerated; the purified gas after absorption is used as the air-stripping gas for closed-loop circulating by adopting a closed-loop circulating technology, thereby the reaction heat in the absorbing process is effectively recovered, the energy consumption is further reduced, and meanwhile, the secondary pollution is eliminated; and the ammonia-removing and recycling processes of the wastewater are developed into a set of modularized process technologies by applying an integrated technology, thereby the technical requirements of industrial enterprises on processing the ammonia-nitrogen wastewater with different concentrations are satisfied.

The ceramic molded body of the present invention includes spherical cells of a spherical bubble plurally formed therein: in the ceramic molded body the spherical cells neighboring each other are communicated through communication porosities and form a three-dimensional network structure, and a ratio (Md / MD) of a median (Md) of inner diameters of the communication porosities to a median (MD) of inner diameters of the spherical cells is less than 0.5. In the ceramic molded body used for manufacturing a metal matrix composite, a metal is filled within the spherical cells and the communication porosities.

The invention discloses a creel device of a yarn dyeing machine with an ultra-low bath ratio, which comprises a sand table, a suspender and a yarn rod, wherein the upper surface of the sand table is in a disk shape; the lower end of the sand table is in a cavity structure; the yarn rod is in a hollow barrel structure; a water drum is arranged in the barrel of the yarn rod and is in a hollow or solid columnar structure; the center line of the yarn rod and the center line of the water drum are same; the ratio of the hollow internal diameter of the yarn rod and the external diameter of the waterdrum is 10:7-9; and the barrel of the yarn rod is evenly provided with a plurality of water outlets along the circumference of horizontal cross sections of different heights. The hollow barrel of theyarn rod disclosed by the invention is provided with the water drum, which is favorable for reducing the volume of dye liquor in the yarn rod and for reducing a water bath ratio; under the same main pump power, the water drum is favorable for improving the practical lift of a pipeline relatively, the flow rate of the dye liquor in the yarn rod is improved, the levelling property of cheeses of upper layers and lower layers can be better guaranteed, and the one-time success rate for dyeing is improved; and from the bottom to the top, the water outlets on the barrel of the yarn rod at the outer side of the water drum are thicker at the higher place of the yarn rod, which is favorable for realizing the purpose of even dye transfer.

The invention discloses a hydro-conversion method, in particular to a long distillate raw oil hydro-cracking method. The method comprises: mixing a long distillate raw oil with the generated stream in a second hydrogenation reaction zone to enter a first hydrogenation reaction zone, separating the generated stream after the hydro-treating reaction to obtain hydrogen-rich gas and liquid, recycling the hydrogen-rich gas, putting the liquid into a fractionating tower for fractionation to obtain light-end products and tail oil, mixing the tail oil with hydrogen to enter the second hydrogenation reaction zone, and putting the generated stream in the second hydrogenation reaction zone into the first hydrogenation reaction zone. Compared with the prior art, the method realizes the direct production of clean automotive fuel and high quality chemical raw materials by long distillate raw materials in a set of hydrogenation systems, thereby reducing the equipment investment and operating cost.

The invention discloses an ultralow liquor ratio zipper dyeing machine and dyeing process thereof. The dyeing machine comprises a tube cylinder, a cylinder cover and a zipper warp beam plate frame embedded into the tube cylinder. The zipper warp beam plate frame comprises a zipper plate seat, a hollow water drum, a zipper woven belt, a zipper tube sleeve, a locking bolt, and a zipper frame lifting ring. The lower end of the hollow water drum is fastened on the zipper plate seat, the zipper tube sleeve is sleeved on the outer side of the hollow water drum, and a diversion inlet and a diversion outlet are arranged below the zipper plate seat and connected with an infusion pump through a horn-shaped pipe sleeve. The dyeing process comprises the stages of scouring and bleaching, dyeing and water scrubbing. According to the ultralow liquor ratio zipper dyeing machine and the dyeing process thereof, a lift range required by zipper woven belt dyeing water level can be achieved when the height of dye liquor in the dyeing machine is lower than the zipper plate seat, the effect of ultralow liquor ratio zipper dyeing is achieved, the dyeing machine has a lower dying liquor ratio than a traditional zipper dying machine, and the purposes of saving electric energy, steam and the dye liquor, shortening dyeing and finishing periods, and saving energy and reducing emission are achieved.

The ceramic molded body of the present invention includes spherical cells of a spherical bubble plurally formed therein: in the ceramic molded body the spherical cells neighboring each other are communicated through communication porosities and form a three-dimensional network structure, and a ratio (Md / MD) of a median (Md) of inner diameters of the communication porosities to a median (MD) of inner diameters of the spherical cells is less than 0.5. In the ceramic molded body used for manufacturing a metal matrix composite, a metal is filled within the spherical cells and the communication porosities.

A battery pack (21) includes a cell contained therein, the cell having a configuration in which an electrode assembly (4) including a positive electrode plate (1), a negative electrode plate (2), and a separator (3) is contained in a cell case (6), one of the electrodes being electrically connected to the cell case, the other electrode being electrically connected to a cell terminal. The battery pack includes a pack case (14) composed of a conductive member. The pack case (14) is electrically connected to the cell terminal (27), and an insulator is interposed between the pack case and the cell. Thereby, such a battery pack is achieved that, when an external physical shock which can deform a cell contained therein is applied to the battery pack, the damage can be minimized in an inexpensive manner without reducing the volume energy density.

An ultra-fine spray-jetting nozzle includes a liquid passage (37) and a gas passage (41) that is disposed on a peripheral side of the liquid passage (37) through a partitioning wall and communicates with a jetting port (A). An outer surface of the partitioning wall at a jetting port side thereof is formed sectionally polygonal, long circular or elliptic. A peripheral surface of the gas passage (41) is formed sectionally circular. The outer surface of the partitioning wall having the configuration is brought into contact with the sectionally circular peripheral surface of the gas passage (41) at a plurality of positions to circumferentially divide the gas passage (41) at the jetting side into a plurality of gas passages. A gas jetted from jetting ports (A) of a plurality of the separate gas passages is mixed with a periphery of a liquid jetted from the liquid passage (37) to generate spray.

The invention relates to a mud treatment technology, particularly to method transforming mud into organic fertilizer. In the invention, mud is stirred to pulp, then is screened, feces of birds and beasts is dried and fine grinder, then to be mixed and smelted with mud, cut and prilled, the grains are dried by drying machine, then to be packed.

The invention discloses a method of producing medium and mid-high olefines, such as C8, C12, C16 and C20, etc. with ionic liquid as catalyst to catalyze butylene to carry out butylene oligomerization. The method adopts the butylene as raw material; cation of the ionic liquid catalyst comes from hydrohalide of amine with alkyl, and anion of the ionic liquid catalyst is produced by a metallic compound that has one or two metals. In the technique of the invention, volume ratio of catalyst to butylene is low; conversion efficiency of butylene is high; selectivity of oligomerized product is high; distribution of oligomerized product is improved, and the invention has good social and economic benefits.

The present invention provides a resin composition including: nanoparticles (A) of alumina and / or boehmite having an average particle size of 1.0 nm to 100 nm; fine particles (B) having an average particle size of 0.20 μm to 100 μm; and a thermosetting resin (C), wherein the nanoparticles (A) have their surfaces treated with a polysiloxane-based modifier.

A reciprocating engine includes a turbocharging unit that: supplies the intake manifold with air via a coolant; is supplied with gas by the exhaust manifold; and has the turbine supply pressure substantially equal to the compressor discharge pressure. At constant air temperature, the turbocharging unit delivers a substantially constant volume of cooled air when the pressure varies, and the volume is substantially proportional to the turbine outlet section. The turbine pressure is maintained substantially equal to compressor pressure by a EGR bypass between the intake and exhaust manifold. In addition, the volume of air is less than the volume drawn in at the speed so that a flow of hot gases is drawn in again via the bypass above the speed, where the volume drawn in is equal to the volume, and a flow of air is deflected towards the turbine below the speed.

The invention relates to a method for hydrotreating heavy distillates, which comprises the following steps of: firstly, fully mixing raw oil with hydrogen gas through a heating furnace in a gas-liquid mixer; then, contacting with a hydrotreating catalyst at a low hydrogen-oil volume ratio under mild technological conditions, and carrying out a conventional hydrorefining reaction. Compared with the conventional hydrotreating method, the invention can obtain better refining effect under the same technological conditions. The method provided by the invention aims at heavy distillates of petrochemical enterprises, such as vacuum gas oil, coke gas oil, deasphalted oil or mixture oil thereof, and the heavy distillate products produced by using the technological method can be used as high-quality raw materials of catalytic cracking units or hydrocracking units. The method provided by the invention has simple technological flow, stable operation and good product characters; and a new hydrogenation unit can be built, and the old unit can also be used through reformation.

The invention relates to a method for producing low-aromatics solvent oil by hydrogenation. The method comprises the following steps of: passing raw material oil through a heating furnace, then fully mixing the raw material oil and hydrogen gas in an oil-gas mixer, and contacting with a hydrogenation catalyst in a lower hydrogen-oil volume ratio and under milder process conditions to undergo the common hydrogenated purification reaction. Compared with the conventional hydrogenated purification process, the method can achieve the same effect as the conventional purification process under milder process conditions. By the method, the low-sulfur and low-aromatics solvent oil products can be produced. In addition, the method also has the advantages of simple process flow, stable operation, high product properties and low energy consumption, and the new establishment of a hydrogenation device and the modification of the original device are both ok.

The invention relates to the field of ECH (epichlorohydrin) production, in particular to an industrial method for realizing direct ECH continuous production by a phase transfer catalyst. The industrial method comprises the following steps: chloropropene and the catalyst are mixed in a mixing tank, and the mixture is mixed with another strand of raw material hydrogen peroxide for reaction in multistage tubular reactors. A mixer is arranged in the front of each tubular reactor, a buffer tank is arranged at the back of each tubular reactor, nitrogen is introduced in the buffer tanks, a gas phaseof the buffer tanks is condensed by a condenser, a liquid phase flows back, the gas phase enters a washing tower, one liquid phase of the buffer tank flows back and the other enters the next buffer tank to repeat the reaction process; part of the liquid phase flowing out of the last buffer tank flows back and the other part enters a separation system for separation. The design is ingenious, the multistage tubular reactors substitute for an agitator type reactor, reaction materials form turbulent flow and are mixed uniformly by a reflux pump instead of stirring by the agitator type reactor, sothat the reaction is safe and stable, and the operation cost is saved. The method has potential market value.

A pneumatic tire having a tread portion including land portions formed by vertical grooves provided in a tire circumferential direction and lateral grooves provided so as to intersect with the vertical grooves, the lateral grooves being disposed in the tire circumferential direction having a plurality of pitches P1, P2, and P3, wherein in a shoulder region of the tread portion, as a pitch decreases a volume ratio of the lateral grooves with respect to a pitch volume thereof increases; and, in a center region of the tread portion, as a pitch decreases the volume ratio of the lateral grooves with respect to a pitch volume thereof decreases.

The invention discloses a deacidifying agent decreasing the acid value of liquid organic mixtures and a preparation technology. Organic acid in the liquid organic mixtures like fuel oil products is removed through the method of deacidifying agent complexation. According to the preparation technology of the deacidifying agent, inorganic base, organic base and an organic solvent are mixed and stirred at certain temperature to form a high-boiling-point transparent solution with good fluidity. According to the deacidifying technology, deacidifying conditions are mild, operation is easy, production cost is low, safety is high, and the problems that in an existing deacidifying technology, emulsification is likely to occur, high energy consumption and high solvent consumption are caused in solvent evaporation, and the recovery rate is low because separation is not thorough are solved. The new deacidifying technology has the advantages that complexation extraction is thorough, the two-phase settling and layering speed is high, the solvent-oil volume ratio is small, the solvent does not need to be evaporated and can be recycled, energy consumption is low, and three waste discharge is avoided.

The invention provides an ingot mold dead head thermal insulation device. The ingot mold dead head thermal insulation device aims to restrain heat transmission of the lateral wall of a dead head to reduce lateral heat dissipation of the ingot mold dead head, achieve sequential solidification and improve the steel ingot yield and the ingot casting quality. The thermal insulation device comprises a heavy thermal insulation material layer, hollow air chambers, partition plates, a light thermal insulation material layer and reinforcing ribs. The ingot mold dead head thermal insulation device can obviously reduce the capacity of heat transmission and obviously improve the thermal insulation performance of the thermal insulation dead head. Compared with solid thermal insulation materials, the ingot mold dead head thermal insulation device can reduce the capacity of heat transmission of the lateral wall by more than 50% and achieve the purposes of improving liquid supplement effect of the dead head, reducing the ratio of the volume of the dead head and the volume of the ingot mold and improving ingot mold casting quality.

By having substantially narrow pitches between wires in a first wiring layer located in an interlayer insulating layer of a semiconductor integrated circuit device, a total amount of the first wiring layer in the interlayer insulating film may be increased, thereby reducing a total amount of the interlayer insulating film having low hardness, which causes warping. As a result, stresses that are typically applied on a protective film of the semiconductor integrated circuit device due to the warping may be prevented. This may prevent the occurrence of a crack, etc. in the protective film. Therefore, it may be possible to prevent failures such as electrical disconnection of a second wiring layer above the protective film due to the crack in the protective film.

The invention relates to a hydrogenizating conversing method of oxygen enriched coal oil. Oxygen enriched coal oil is separated as oxygen enriched distillation and deoxidating distillation in a distillating unit, deoxidating distillation finished hydrogenizating reaction in a hydrogenizating unit to obtain a hydrogen enriched gas phase product and a liquid oil phase product composed by conventional liquid hydrocarbon. For hydrogenizating conversing process of oxygen enriched coal oil, the invention can reduce invest and prolong operation cycle.

The invention discloses a resin matrix composite and a preparing method thereof. The composite is a composite which is mainly composed of a resin matrix and an inorganic filler dispersed in the resinmatrix, wherein the inorganic filler is of a double-layer core-shell structure. The inorganic filler is composed of a core prepared from an insulating material, a first shell layer covering the core and a second shell layer covering the first shell layer, wherein the material of the first shell layer has conductivity, and the material of the second shell layer has insulativity. According to the composite, by optimizing the structure of the inorganic filler, the inorganic filler has different properties of insulativity and conductivity, the volume proportion of the inorganic filler is lowered,the dielectric constant can also be increased, and the dielectric loss can be lowered.

The present invention relates to an air cleaner for a vehicle. It is an object to provide a DOR system which can favorably suppress deterioration of a function of an ozone purifier containing ozone purifying catalyst and activated carbon. A core part of a radiator 14 includes a fin 20, an activated carbon layer 22, and an ozone purifying catalyst layer 24. The activated carbon layer 22 is made of activated carbon and a binder A for bonding the fin 20 and the activated carbon. The ozone purifying catalyst layer 24 is made of an organometallic complex and a binder B bonding the activated carbon layer 22 and the organometallic complex. The binder B used for the ozone purifying catalyst layer 24 has a larger specific surface area than that of the binder A used for the activated carbon layer 22.

The invention relates to a method for hydrotreating poor diesel. The method comprises the following steps: thoroughly mixing raw oil with hydrogen in an oil-gas mixer through a heating furnace, and carrying out conventional hydrofining reaction by contacting with hydrogenation catalyst at low hydrogen / oil volume ratio under moderate technological conditions. Compared with the conventional hydrofining technique, the invention can acquire better refining effect under the same technological conditions. The method is used for poor diesel fractions in petrochemical corporations, such as coking diesel, catalytic diesel, visbreaking diesel or mixture thereof with straight-run diesel. The method can be used for producing ultralow-sulfur clean diesel of which the sulfur content is lower than 50 mu g / g, has the advantages of simple technical process, stable operation and favorable product quality, and can use newly built hydrogenation units or reform old units.

The invention relates to a method for cultivating big earthworms and planting crops in a greenhouse and application. The method adopts a greenhouse cultivation mode to cultivate big earthworms and plant crops, animal manure, vegetable residual leaves and crop straw crushed materials are uniformly stirred and fermented to be used as earthworm feed, earthworm seedlings are put into ridge soil according to 30 kg per mu of field, the earthworms are put for 7-10 days, and then vegetables or crops are planted; in spring, summer and autumn, a plastic cloth or glass window on the top layer of the greenhouse is closed in the daytime and opened at night, and the purposes of allowing dew to enter the soil surface in the greenhouse and cooling are achieved; the top layer of the greenhouse is covered with a sun-shading cloth when the air temperature reaches 30 DEG C or above in sunny days in summer; and the earthworms are harvested when the local air temperature is 20-25 DEG C in spring or autumn.According to the method, it is ensured that the big earthworms can survive in the greenhouse, high-yield and high-production-efficiency large-batch cultivating of the earthworms is achieved, the soilquality of the greenhouse is improved, and the yield of vegetables or crops is increased.

The invention relates to a preparation method of a low-melting-point alloy phase change material, and belongs to the technical field of preparation of phase change materials. The method comprises the following steps: removing surface oxides of raw materials Ga, In and metal A, wherein the metal A is one or more of Sn, Bi, Zn and Al; adding Ga, In and metal A into a smelting medium, increasing the temperature to a preset temperature at a constant speed, conducting heat preservation for 4-6 hours, and conducting metal alloying to obtain an alloying system, wherein the smelting medium is glycerol or silicone oil; and heating the alloying system to the preset temperature, performing uniform stirring and mixing to performing full alloying, and then adding an ice-water mixture into the alloying system to quickly cool an alloy sample and obtain the low-melting-point alloy phase change material. According to the method, the glycerol or silicone oil is adopted as the smelting medium, the problems of oxidation, insufficient alloying and the like of low-melting-point alloy in the smelting process can be effectively solved, the low-melting-point alloy phase change material has greater latent heat in unit volume, the heat capacity of the low-melting-point alloy phase change material can be greatly improved, the volume proportion of the phase change material is effectively reduced, and better stability and higher heat conductivity are achieved.

The invention provides an urban traffic system capacity analysis and optimization method. The method comprises the following steps: S1, inputting basic data; S2, calculating a maneuvering travel totalamount and a mode structure in a peak period; S3, decomposing and calculating the maneuvering travel volume borne by the road traffic network and the rail traffic network, and calculating the statictraffic demand; S4, calculating a saturation state judgment index under a basic condition; S5, judging whether the average travel time and 95% travel time reach the standard or not; S6, judging whether the average travel time ratio of the public traffic to the individual traffic reaches the standard or not; S7, and outputting result data. The method can be applied to urban intelligent traffic system construction, and a quantitative and scientific auxiliary decision-making technology is provided for orderly and reasonable development of urban construction land and traffic control.

The invention discloses flame-retardant polyester-type air filtering paper and a preparation method thereof. The preparation method of the flame-retardant polyester-type air filtering paper includes the steps that PET fibers are adopted and a structure similar to plant fibers is built by PET pulp. The average length of the PET fibers is relatively long, the PET fibers can be used as skeleton materials of the paper, the average length of the PET pulp is short, through fibrillation treatment, fine fibers adhering to the surface of the PET pulp serve as padding materials, meanwhile, acrylic resin of mixed steeping liquid serves as adhesive, accordingly, the fine fibers and the PET fibers are interwoven to form a small and compact mesh structure, and filter accuracy is improved. On the other hand, raw filtering paper is soaked in a nitrogen and phosphorus flame-retardant resin composite system, nitrogen and phosphorus flame retardants have synergistic effects, the flame retardance efficiency is high, and meanwhile the acrylic resin is used as a glue solution and forms a flame-retardant protective screen on the paper surface. The addition amount of the flame retardants is reduced, the durable and efficient flame-retardant performance is ensured, not only is the production cost reduced but also the comprehensive property of the paper is improved at the same time.

The invention provides a pharmaceutical composition for treating cardiovascular and cerebrovascular diseases. The pharmaceutical composition is composed of Periplaneta americana, aspirin and one or two selected from a group consisting of red sage roots and Rhizoma Chuanxiong. Specifically, the pharmaceutical composition comprises, by weight, 40 to 60 parts of Periplaneta americana, 20 to 50 partsof red sage roots and 5 to 20 parts of aspirin; or the pharmaceutical composition comprises, by weight, 40 to 60 parts of Periplaneta americana, 20 to 50 parts of Rhizoma Chuanxiong and 5 to 20 partsof aspirin; or the pharmaceutical composition comprises, by weight, 40 to 60 parts of Periplaneta americana, 15 to 25 parts of red sage roots, 15 to 25 parts of Rhizoma Chuanxiong and 5 to 20 parts ofaspirin. The pharmaceutical composition provided by the invention can effectively improve stomach damage caused by long-term taking of aspirin, effectively prevents formation of thrombus while reducing the dose of aspirin, lower the possibility of formation of cerebral infarction and reduces the drug toxicity of aspirin.