35results about How to "Improve coalescence performance" patented technology

The electrical raw oil desalting and dewatering device for petrochemical industry features its direct material feeding in strong electric field and horizontal flow of raw oil. The electrical raw oildesalting and dewatering device of the present invention has material distributor and strong electric field coalescence area in tank axial direction and oil outlet pipe in the top of the raw oil purifying area, with the strong electric field coalescence area being provided with at least two layers of parallel electrode plates parallel to or perpendicular to the tank axis. The material distributor is provided with nozzles to spray mixed oil-water material into the strong electric field between two adjacent electrode plates. Between the strong electric field coalescence area and the purified raw oil outlet, deposit separating area may be set.

The present invention is one electric raw oil desalting and dewatering apparatus for petrochemical industry. The present invention features the direct material feeding under strong electric field and the horizontal flow of raw oil. The electric raw oil desalting and dewatering apparatus has a tank with oil-water mixture inlet, axial strong electric field coagulation area with at least two layers of parallel planar electrode plates perpendicular to the axis of the tank, purified raw oil outlet with oil outlet pipe, material distributor inside the tank with nozzles to jet oil-water mixture into the strong electric fields between every two adjacent electrode plates, and depositing separation area set between the strong electric field coagulation area and the purified raw oil outlet.

The invention relates to a composite biological agent and a preparation method thereof. The composite biological agent is mixed by seaweed physiological activator extracting solution and rhizosphere promotion bacterium liquid according to the volume ratio of (1-20):100. The composite biological agent contains a plurality of physiological activators and rhizosphere promotion flora, and has a plurality of advantages of resisting disease, moving soil, being free of public nuisance and the like.

The invention discloses a crude oil emulsion fluid electrostatic coalescer. The crude oil emulsion fluid electrostatic coalesce comprises a barrel which is of a cylindrical structure, wherein a grounding terminal inlet pipeline and an outlet pipeline are arranged on the outer side surface of the barrel; the two ends of the barrel are connected with an insulating end enclosure and end surface sealing covers; cable introducing holes which are used for introducing high/low-voltage cables and are connected with multiple high/low-voltage electrodes in the barrel are formed in the two end surface sealing covers respectively; a low-voltage electrode is arranged on an axis, and a high-voltage electrode is wound outside the axis in a concentric manner, and the high-voltage electrode is closest to the barrel housing; a plurality of foldout supporting plates for guiding the crude oil emulsion fluid and supporting high/low-voltage electrodes are arranged on the inner part of the barrel. The crude oil emulsion fluid electrostatic coalesce has the advantages of being compact in structure, small in floor space and convenient to dismount, is suitable for an oil-water separating process on the sea and improving original oil-water separating equipment; uneven electric fields are introduced to achieve good coalescence effect on uncharged liquid drops in the emulsion fluid with low moisture content, which is difficult to treat by dipole coalescence and electrophoresis coalescence through normal electric dehydrating equipment, so that the treatment capacity of electrostatic coalescence equipment is strengthened.

The invention provides a soil conditioner for a tea tree, and belongs to the technical field of soil improvements. The conditioner comprises the following components in parts by weight: 2 to 4 parts of chitosan powder, 5 to 8 parts of yeast residues, 15 to 20 parts of sunflower meal, 20 to 30 parts of sea-foam stone powder, 2 to 4 parts of ground phosphate rock, 6 to 10 parts of natural phosphate-potassium ore powder, 3 to 4 parts of powdered borax, 1 to 2 parts of calcium silicate powder, 3 to 4 parts of zinc ore powder, 1 to 2 parts of ferrous sulphate, 1 to 2 parts of magnesium sulphate, 1 to 2 parts of manganese carbonate, and 8 to 12 parts of seaweed fertilizer; the soil conditioner for the tea tree is prepared by mixing the above components; the soil conditioner for the tea tree is applied to the surface of the soil of a tea garden before harvesting every year. Through scientific proportioning, the soil conditioner for the tea tree provided by the invention regulates a micro-ecological environment in the soil, can improve the physical property of the soil and improve the fertilizer retaining capacity and the water retaining capacity, and has a very good improvement effect on acidic soil of the tea garden.

The invention provides a grape soil conditioner, and belongs to the technical field of fruit tree soil improvement. The soil conditioner is prepared from, by weight, 8-10 parts of chitosan, 10-15 parts of yeast residues, 10-20 parts of corn flour, 5-8 parts of plant powder, 5-10 parts of peanut shells, 10-20 parts of wormcast, 10-20 parts of modified attapulgite and 15-20 parts of seaweed fertilizer. The plant powder is prepared from clove leaf powder, melia azedarach powder, garlic powder, tea-oil tree fruit dreg powder and yellow cinnamon leaf powder in the weight ratio of (3-4):(4-6):3:2:3. The components are mixed and prilled, and the grape soil conditioner can be obtained. According to the grape soil conditioner, due to scientific compatibility, the micro-ecological environment in soil is adjusted, activity of beneficial microorganisms is promoted, and soil is assisted in releasing nutrient elements which can be absorbed by plants; the fertilizer reserving capacity and the water reserving capacity of soil are improved, and growth of grapes is promoted.

The invention discloses microbial bacterial manure with ascophyllum nodosum as a matrix. The microbial biological manure is prepared by the steps: activating and culturing microbial flora to obtain aseed solution, performing amplification culture on the seed solution to obtain a microbial bacterial agent, then mixing and feeding raw materials into a stirring tank according to a weight ratio of 30% to 70% of ascophyllum nodosum dreg, 1% to 20% of soya bean cake and 1% to 5% of microbial bacterial agent, keeping a water content as 40 to 60%, bagging after the materials are evenly stirred, sealing an opening, obtaining finished product stacking, continuing fermentation and naturally degrading for 7 to 15d to obtain the microbial bacterial manure. The microbial bacterial manure not only can improve soil and improve soil breathability and agglomeration capacity, but also can stimulate plant to generate growth regulating matter (polyamine) and formation of antibiotic (plant antitoxin) afterbeing absorbed by plants.

The invention discloses a combined type crude oil electric dehydrator based on a multi-field synergistic effect. The combined type crude oil electric dehydrator comprises an outer pipe, an electrostatic coalescence section, a rotational flow section and a gravity settling section, a first oil outlet pipe is formed at the top of the outer pipe, a crude oil emulsion inlet pipe is arranged on the side close to the bottom of the outer pipe, and a first water outlet pipe is arranged on the side close to the bottom of the gravity settling section; the electrostatic coalescence section is externally connected with a positive electrode and a negative electrode, and non-uniform electric fields are formed between the electrostatic coalescence section and the outer pipe and in the electrostatic coalescence section; the rotational flow section comprises an inner pipe, a rotation starting element, a second oil outlet pipe and a second water outlet pipe, and the inner pipe is located above the electrostatic coalescence section and coaxially arranged in the outer pipe; the rotation starting element is arranged at the lower end of the inner pipe; the second oil outlet pipe is coaxially arranged at the top of the inner pipe; the second oil outlet pipe is sleeved with the second water outlet pipe, and the second water outlet pipe is arranged at the top of the inner pipe; the gravity settling section is an annular space defined by the inner pipe, the outer pipe and the transition pipe section, and the upper portion of the annular space is open.

The invention relates to the field of coatings, the invention discloses a spraying coating, and a preparation method and a spraying method thereof. The spraying coating is prepared from 40 to 45 partsof a waterborne epoxy resin emulsion, 5 to 10 parts of a waterborne acrylic emulsion, 0.5 to 2 parts of propylene glycol butyl ether, 0.5 to 1.5 parts of a dispersoid, 1 to 2 parts of a dispersing agent, 0.1 to 0.5 part of a leveling agent, 0.04 to 0.05 part of antifoaming agent, 20 to 25 parts of deionized water, 1 to 2 parts of a pigment and 1 to 2 parts of a filler. According to the spraying coating prepared by the invention, deionized water is used as a diluent; impurity introduction can be further avoided; the waterborne acrylic emulsion is added, the spraying coating can be matched withwaterborne epoxy resin emulsion to obtain the spraying coating which is easy to spray, good in adhesive force and toughness; spraying can be carried out more quickly and better; the propylene glycolbutyl ether is added, so that the coalescence performance of the spraying coating is improved, the toxicity of the propylene glycol butyl ether is extremely low, the environment-friendly performance of the spraying coating can be guaranteed, the dispersoid and the dispersing agent are added, stirring and dispersing can be better and faster conducted in the spraying coating preparation process, andthe more uniform spraying coating is obtained.

The invention discloses quick-drying metal thin film antirust oil, which is prepared from the following raw materials in parts by weight: 0.4-1 part of zinc cyanurate, 60-70 parts of 30# machine oil, 0.2-0.4 part of phosphotungstic acid, 0.7-1 part of perfluorooctyl acrylate, 3-4 parts of polyvinyl chloride, 1-2 parts of dilauryl thiodipropionate, 1-2 parts of methyl parahydroxybenzoate, 1-2 parts of sodium pyrophosphate, 1-2 parts of polyoxyethylene oleate, 0.2-1 part of sodium lauryl sulfate, 3-6 parts of an antirust agent T705, 2-3 parts of methyl pentachlorostearate and 13-20 parts of rare-earth film-forming hydraulic oil. The rare-earth film-forming hydraulic oil is added to the antirust oil disclosed by the invention; phenoxy-1-propanol is added to a modified gelatin system disclosed by the invention, so that phenoxy-1-propanol I is completely absorbed by particles, thus the coalescence performance and the stability of the system are improved, and the film-forming property in the system is also enhanced; an insoluble complex can be generated by added rare-earth ions and OH<-> generated in the oxygen absorption corrosion process on the surface of a metal base material, so that the electrode reaction of corrosion is retarded, and a good slow-release effect is achieved.

The invention provides a transformer external type electrostatic coalescer. The transformer external type electrostatic coalescer comprises a high-voltage electrode assembly, a metal hose, a first metal frame bracket, a fixed nut, a high-voltage junction box, an insulating connecting piece, a low-voltage electrode assembly and a second metal frame bracket; each of the high-voltage electrode assembly and the low-voltage electrode assembly consists of a plurality of electrode tubes; the electrode tubes are arranged linearly; the adjacent electrodes are connected with high voltage and the groundcorrespondingly; the high-voltage electrode assembly is connected with the insulating connecting piece, the insulating connecting piece is connected with the metal hose, and the metal hose is connected with the high-voltage junction box; the high-voltage junction box is connected with an external transformer through a high-voltage cable; the external transformer is positioned at the top of an electric dehydration area and on the outer side of a three-phase separator; and the low-voltage electrode assembly is welded with the second metal frame bracket and grounded. The electrostatic coalesce issimple in structure and convenient to maintain, a non-uniform electric field is formed between the electrodes, the coalescence effect of water granules is improved and the dehydration efficiency is improved.

The invention discloses a leaked oil collecting and classifying device, and belongs to the technical field of water surface oil stain cleaning. The leaked oil collecting and classifying device comprises a separation treatment assembly, a water surface oil-liquid mixing body is extracted by the separation treatment assembly through an external liquid suction power piece and an external liquid transfer pipe, the separation treatment assembly comprises a treatment box body, a mixed liquid inlet pipe connected with the liquid transfer pipe is arranged on one side of the treatment box body, at least two inflow guide sleeves are arranged in the mixed liquid inlet pipe, two ports of each inflow guide sleeve are round and different in size, the small-hole-diameter end and the oil-water mixed liquid outflow direction end are arranged, and the large-hole-diameter end and the oil-water mixed liquid inflow direction end are arranged, and a first oil-water separation chamber, a second oil-water separation chamber and a liquid discharge chamber are arranged in the treatment box body. By means of centrifugal separation and settling separation, oil particle membrane rupture is promoted, so that the oil particle coalescence effect is improved, the recovery amount of leaked crude oil is increased, it is guaranteed that floating oil with the oil particle size smaller than 100 micrometers is recovered, and environmental pollution and leakage loss caused by the leaked crude oil are reduced.

The invention relates to a device for electrostatic coalescence of liquid particles in a flowing fluid mixture, comprising: a tube having an feed opening located at the front side of the tube and a discharge opening located on the opposite side of the tube and a least one arrangement with flow guide vanes arranged in the tube, positioned in between the opened infeed side and an opposite opened outfeed side, for reducing the turbulence or for imparting a rotating movement to the fluid mixture flowing through the tube. The invention also relates to a method for electrostatic coalescence of liquid particles in a flowing fluid mixture.

The invention discloses resin-based dustproof anti-pollution rust-proof oil. The resin-based dustproof anti-pollution rust-proof oil comprises the following raw materials in parts by weight: 0.5-1 part of alkyl ketene dimer, 0.8-1 part of polyepoxysuccinic acid, 1-2 parts of barium stearate, 2-4 parts of oleic acid, 65-80 parts of No.20 machine oil, 1-2 parts of isopropyl palmitate, 0.6-2 parts of nylon 66, 2-3 parts of polyoxyethylene rosin ester, 1-2 parts of hydroxyethyl ethylene bistatic amide, 3-5 parts of barium petroleum sulfonate, 14-20 parts of rare earth film-forming hydraulic oil, 1-2 parts of tetradecyl alcohol oleic acid ester and 2-4 parts of petroleum ether. The rare earth film-forming hydraulic oil is added into the rust-proof oil; the phenoxy-1-propanol is added into a modified gelatin system to be fully absorbed by microparticles of the gelatin system, so that the coalescence performance and the stability of the system are improved; the self film-forming property is also improved in the system; insoluble complexes can be generated by the added rear earth ions and OH- generated in the oxygen absorption corrosion process on the surface of the metal substrate; the corrosion electrode reaction is alleviated; a good slow-release effect is achieved.

The invention discloses high-speed rail turnout anti-rusting oil which is prepared from the following raw materials in parts by weight: 60-70 parts of #20 mechanical oil, 0.5-1 part of sodium pentachlorophenate, 2-3 parts of stearoyl calcium lactate, 0.3-0.6 part of hexamethyl cyclotrisiloxane, 1-3 parts of triethanolamine oleic soap, 3-4 parts of dodecenylsuccinic acid, 2-4 parts of barium petroleum sulfonate, 2-4 parts of maleic acid dibutyl ester, 2-3 parts of Vaseline, 0.1-0.3 part of molybdenum disulfide, 0.5-2 parts of an antioxidant 2246 and 13-20 parts of rare earth filming hydraulic oil. As the rare earth filming hydraulic oil is added into the anti-rusting oil disclosed by the invention, i.e., propylene glycol phenyl ether is added into a modified gelatin system of the high-speed rail turnout anti-rusting oil and is completely absorbed by grains of the gelatin system, the coalescence property and stability of the system are improved, and the filming property of the anti-rusting oil self is also improved in the system; due to added rare earth ions, insoluble complexes can be generated from OH<-1> generated in the oxygen absorption corrosion process on the surface of a metal substrate, the reaction of a corroded electrode is inhibited, and a very good slow-release effect is achieved.