16results about How to "Conducive to agglomeration" patented technology

The invention discloses an acid-making process using hydrogen sulfide waste gas and waste sulfuric acid, and relates to the technical field of acid-making processes, and the acid-making process specifically comprises the following steps: step 1, high-temperature reaction and gas generation, step 2, gas purification and conversion, a demister and a spraying assembly are used for removing dust, impurities and harmful substances in the gas; and step 3, sulfur trioxide absorption and sulfuric acid preparation. According to the acid-making process using the hydrogen sulfide waste gas and the waste sulfuric acid, the absorption slurry is sprayed out through the nozzle to be in countercurrent contact with the gas mixture, physical absorption and chemical reaction are combined, dust, impurities and other harmful substances in the gas mixture are effectively removed, and the gas purification efficiency is improved; the nozzles at the upper end and the lower end are used for spraying and cleaning the corrugated plate, it is ensured that the corrugated plate is always kept clean, system efficiency reduction caused by blockage or pollution of the corrugated plate is reduced, and the operation efficiency and stability of the whole system are improved.

The utility model provides a static solid interface-based bubble coalescence device and digestion reactor, the device comprises a bubble coalescence member arranged in the reactor, the bubble coalescence member comprises a bubble collecting and releasing part and an inclined plate obliquely arranged in the reactor, the bubble collecting and releasing part is connected with the upper part of the inclined plate; the bubble collecting and releasing component is provided with a gas collecting channel, the bottom of the gas collecting channel is opened downwards, the inclined bottom face of the inclined plate is located below the opening, a gas releasing hole is formed in the top of the bubble collecting and releasing component, and the gas collecting channel is communicated with the gas releasing point; and the surface of the inclined plate is made of a hydrophobic material. According to the technical scheme, the inclined plate is used for collecting small bubbles and promoting coalescence of the bubbles during collision, and after the bubbles are coalesced into large bubbles, the kinetic energy of the bubbles is released to improve the mixing effect in the reactor, so that the digestion reaction rate is increased, and the mixing energy additionally required by the digestion reaction is reduced.

The invention belongs to the technical field of food preparation, and particularly relates to a method for preparing salted egg yolk powder by using a differential frequency microwave curing method, and the preparation method comprises the following steps: S1, pretreating egg yolk to obtain an egg yolk liquid; s2, preparing the salted egg yolk liquid; s3, preparing egg yolk pickling liquid; s4, performing high-speed centrifugal treatment and high-frequency microwave curing on the egg yolk pickling liquid by using a centrifugal machine to obtain oiled egg yolk particles; s5, performing rotary granulation on the oiled egg yolk particles; and S6, performing low-frequency microwave drying and superfine grinding. The salted egg yolk powder which is good in flavor, sufficient in nutrition and stable and excellent in quality can be obtained and can be widely applied to the fields of leisure food seasoning, catering seasoning and the like.

This invention discloses a superhydrophobic fiber membrane with a wrinkled structure and its preparation method. The preparation method is as follows: immersing a polypropylene fiber membrane in a methanol solution of a photoinitiator; removing it and irradiating it under a UV lamp; then immersing it in a methanol solution of an amino monomer and irradiating it under a UV lamp; then immersing it in a hexane solution of an acyl chloride, removing it, and then immersing it in a methanol solution of a hydroxyl monomer for interfacial polymerization; removing it; drying it; immersing it in a hexane solution of a long-chain alkylchlorosilane, removing it, and drying it to obtain a superhydrophobic fiber membrane with a wrinkled surface structure. The method of this invention is simple, easy to implement, and operates under mild conditions, requiring no precision instruments. It offers fast separation speed, high efficiency, and good reusability. When used to separate water-in-oil emulsions containing surfactants, the wrinkled structure on the fiber membrane surface increases the contact area between the superhydrophobic surface and the emulsion, promoting the coalescence and demulsification of microemulsions, and achieving a water retention rate of over 99%.

The invention discloses a reverse demulsifier and a preparation method and application thereof, the reverse demulsifier comprises a compound as shown in a structural formula I, in the formula I, n is less than 792, m is less than 447, and a is more than or equal to 3 and less than or equal to 10; r1, R2 and R3 are chain alkyl, the number n1 of carbon atoms in R1 is larger than or equal to 1 and smaller than or equal to 12, and the number n2 of carbon atoms in R2 and R3 is larger than or equal to 0 and smaller than or equal to 2. The molecular structure in the reverse demulsifier simultaneously contains amphiphilic groups of alkyl ester groups (oleophylic ends) and hydroxyl ammonium groups (hydrophilic ends), so that the reverse demulsifier has a better displacement effect at an oil-water interface film, and can reduce the polarity of asphaltene, so that the asphaltene has better dispersing capacity on the oil-water interface, can be quickly migrated to the interface from emulsion and is adsorbed to the oil-water interface; the branched chains and the main chain are integrally sawtooth-shaped, the molecular structure is highly branched, the surface tension of produced water can be effectively reduced, oil-water interface instability is promoted, and water-oil balance is broken.

The utility model belongs to the technical field of animal husbandry equipment, and provides an excrement cleaning and shoveling device which comprises a material gathering shoveling box, a material shoveling opening is formed in the front side of the material gathering shoveling box, and a material discharging opening is formed in the rear side of the material gathering shoveling box; the material picking guide mechanism comprises an expanding and gathering plate and an opening degree adjusting unit, the expanding and gathering plate is movably arranged at the material shoveling opening, the two ends of the opening degree adjusting unit are connected with the material gathering shovel box and the expanding and gathering plate respectively, and at least one end of the opening degree adjusting unit is movably connected with the material gathering shovel box and the expanding and gathering plate; and the material collecting mechanism is arranged in the material collecting shovel box and is used for collecting and gathering the manure shoveled in from the material shoveling opening to the discharge opening. According to the dung cleaning and shoveling device, the shoveling width can be adjusted according to the width of a dung channel of a pasture, dung is prevented from being left on the two sides, the dung cleaning and shoveling device is good in dung cleaning and shoveling effect and wide in application range, the requirements of different clients are met, the dung cleaning efficiency is effectively improved, and the labor intensity of workers and the dung cleaning cost are reduced.

The utility model relates to a horizontal tar ammonia water separation device, including groove body, flow channel baffle, tar ammonia water inlet pipe, heavy tar outlet pipe, light tar outlet pipe and ammonia water outlet pipe, one end of groove body is equipped with tar ammonia water entrance, the other end of groove body is equipped with light tar outlet, ammonia water outlet and heavy tar outlet, a plurality of flow channel baffles are arranged in groove body along the tar ammonia water flowing direction interval, form the tar ammonia water flow channel of serpentine, the surface of flow channel baffle is sprayed with hydrophobic oleophilic material coating, the horizontal tar ammonia water separation device can guarantee the full separation of light tar, heavy tar and ammonia water, improve separation efficiency, and save the floor area greatly, save investment, solve the problem that the existing tar ammonia water separation device separation effect is poor, tar ammonia water stays long, equipment floor area is big, total investment is high.

The present disclosure discloses an ultraviolet absorber composition and a cosmetic product. The ultraviolet absorber is diethylamino hydroxybenzoyl hexyl benzoate; a maximum particle size d(0.9) of the ultraviolet absorber is within a range of 50-100 µm; moreover, a width difference between a minimum particle size d(0.1) and a maximum particle size d(0.9) of the ultraviolet absorber is within a range of 30-100 µm; and the ultraviolet absorber has an effective span of not greater than 3 as determined by an instrument.

The application discloses a tubular electrolytic cell integrated with gas-liquid separation function and an electrolysis method, and relates to the technical field of electrolysis, in particular to the technical field of tubular electrolytic cell integrated with gas-liquid separation function. The tubular electrolytic cell integrated with gas-liquid separation function comprises a shell, a plurality of integrated membrane electrode tubes arranged in the shell, an upper tube plate arranged at one end of the shell, an upper head arranged at the other end of the shell, a lower tube plate arranged at one end of the shell and a lower head arranged at the other end of the shell. The integrated membrane electrode tube comprises a tubular diaphragm, an inner electrode and an outer electrode arranged on the inner and outer surfaces of the tubular diaphragm respectively. The inner and outer parts of the inner electrode are a tube channel and a shell channel respectively. The lower tube plate and the lower head form a liquid inlet cavity, and the upper tube plate and the upper head form a gas-liquid separation cavity. The two ends of the integrated membrane electrode tube are fixed on the upper tube plate and the lower tube plate. The tube channel is communicated with the liquid inlet cavity and the gas-liquid separation cavity. The device integrates electrolyte distribution, electrolysis reaction, gas-liquid mixture collection and preliminary gas-liquid separation in a single equipment, is highly integrated, realizes in-situ separation of the tube channel gas-liquid mixture, reduces energy consumption, and reduces the load of the rear-end purification device.

The invention discloses a soluble aluminum oxide and a preparation method thereof, and relates to the technical field of aluminum oxide production. In the invention, aluminum hydroxide and a low-concentration sodium aluminate solution are used as raw materials, and a high-temperature and high-pressure chemical reaction is carried out. After the reaction product is separated and washed, the aluminum oxide hydrate is obtained, and the obtained aluminum oxide hydrate is subjected to low-temperature roasting to obtain a soluble aluminum oxide product. The preparation method provided by the invention is simple and easy to implement, and can not only optimize the particle size and crystal structure of the aluminum oxide product, but also improve the surface activity, dispersibility, flowability and solubility of the aluminum oxide.

The present invention provides a DC bushing based on DC GIL power transmission, which relates to the field of GIL power transmission and comprises a tube shell, wherein a conductor is arranged at the inner central axis of the tube shell, a basin insulator is arranged on the outer wall of one end of the conductor, a driving electrode is arranged on one side of the basin insulator, a three-pillar insulator is arranged on the other end of the conductor, a capacitive shielding layer is arranged between the three-pillar insulator and the driving electrode, and a gas transmission component for SF6 gas circulation is arranged on the basin insulator; the present invention gathers particles through the first shielding layer, the second shielding layer, the third shielding layer, the fourth shielding layer and the fifth shielding layer in coordination with the gas transmission component, and the particles are better gathered by cooperating with the driving electrode to drive the particles and the setting of the particle trap, thereby increasing the probability of particle capture and thus increasing the safety of the DC bushing.

The feeding device comprises a feeding box, a feeding port, a sealing plate, a funnel box, a supporting frame, a guide groove and a hydraulic cylinder, the feeding box is of a hollow cuboid type design, the feeding port installed through screws is formed in the upper portion of the feeding box, the sealing plate is arranged at the feeding port, the sealing plate is manually moved, and the funnel box is arranged on the supporting frame. A funnel box installed through screws is arranged on the lower portion of the feeding box and connected with the mica sheet synthesis device, a supporting frame installed through screws is arranged on one side of the feeding box and is of an inverted-L-shaped design, a vibration motor is installed on the supporting frame and tightly attached to the feeding box, and the bottom of the supporting frame is connected with a guide groove. The guide groove is fixed to the ground or a platform, a hydraulic cylinder is installed in the guide groove, and the hydraulic cylinder can drive the supporting frame to move along the guide groove. The device is reasonable in design; and the hydraulic cylinder can drive the feeding box to move, so that later cleaning is facilitated.

The invention provides a crude oil pretreatment demulsifier, and belongs to the technical field of oilfield chemical engineering, and the crude oil pretreatment demulsifier comprises the following steps: S1, cutting feather fibers into small sections, carrying out ball milling treatment to obtain nano feather fibers, carrying out surface treatment with hydrofluoric acid, immersing the nano feather fibers subjected to surface treatment into a hydrogen peroxide solution, heating and stirring, and carrying out vacuum drying to obtain a crude oil pretreatment demulsifier; hydrophilic modified nano feather fibers are obtained; and S2, mixing tetraethoxysilane with ethanol, adjusting the pH value to 7-9, stirring at normal temperature to generate silica sol, immersing the hydrophilic modified nano feather fibers into the silica sol, continuously stirring, drying and curing to obtain the crude oil pretreatment demulsifier. The crude oil pretreatment demulsifier provided by the invention realizes the purpose of efficient demulsification.

The invention discloses a regulation and control device and method for improving the skateboard trailing edge speed skin effect, and the device comprises a PC and a square closely-wound solenoid assembly which is disposed right below a skateboard bracket. The digital potentiometer is connected with the square close winding solenoid assembly; the GPS sensor, the infrared camera and the single chip microcomputer are connected with the PC; the digital potentiometer is connected with the single chip microcomputer; the PC determines the advancing direction of a train through GPS data, further determines the direction of current introduced into the square close-wound solenoid assembly, controls the single-chip microcomputer to adjust the resistance value of the digital potentiometer, and introduces current with preset magnitude into the square close-wound solenoid assembly to generate a magnetic field; according to a plurality of thermal infrared images, collected by the infrared camera, of the trailing edge of the sliding plate, whether the risk of the speed skin effect exists on the trailing edge of the sliding plate or not is determined, and when the risk exists, the resistance value of the digital potentiometer is adjusted, the current introduced into the square close winding solenoid assembly is increased to enhance the magnetic field, and the temperature of the trailing edge of the sliding plate is reduced to a reasonable range.

This invention relates to the field of dust removal technology in stone crushing processing, and particularly to a dust removal device for stone crushing processing, comprising a housing, a first cyclone dust collector, and a second cyclone dust collector. The first and second cyclone dust collectors are inclinedly disposed on the top of the housing. The top of the housing has a first air inlet duct communicating with the first cyclone dust collector and a second air inlet duct communicating with the second cyclone dust collector. A first dust collection port at the bottom of the first cyclone dust collector and a second dust collection port at the bottom of the second cyclone dust collector communicate with the interior of the housing. The second cyclone dust collector is disposed diagonally below the first cyclone dust collector. Two first and second collection holes are formed on the lowest sidewalls of both the first and second cyclone dust collectors. A channel communicating with the second cyclone dust collector is fixed to the outside of the first collection hole. A first dust pipe is fixed to the outside of the lower second collection hole, and a second dust pipe is fixed to the outside of the other second collection hole.

The invention relates to the technical field of pre-oxidized fibers, and particularly discloses a cotton spinning pre-oxidized fiber and a preparation method thereof. The preparation method comprises the following steps: mixing a polyacrylonitrile precursor with a first modified oil agent to obtain a pretreated precursor; the first modified oil agent comprises polytetrafluoroethylene dispersion liquid, nano aluminum oxide and a silane coupling agent; carrying out gradient pre-oxidation on the pre-treated precursor in an air atmosphere under the conditions that the temperature is 215-255 DEG C and the tension is 1650-2100 cN, so as to obtain a pre-oxidized fiber; immersing the pre-oxidized fiber into a second modified oiling agent for oiling and curling to obtain a cotton spinning pre-oxidized fiber; the second modified oiling agent comprises an antistatic agent, a bundling agent and a moisture absorption friction increasing agent. According to the invention, the structural stability and antistatic property of the fiber are improved by controlling the condition parameters of pre-oxidation and optimizing the components and proportion of the first modified oil agent and the second modified oil agent, so that the spinnability of the cotton spinning pre-oxidized fiber is improved, and high-quality and large-scale cotton spinning processing of the pre-oxidized fiber is realized.