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Method for producing high-arene environment-friendly rubber oil
The invention relates to a method for producing high-arene environment-friendly rubber oil. The method comprises the steps of taking heavy-solvent extract oil of a lubricating-oil solvent-refining device as raw material, adding an auxiliary agent to the raw material and then refining solvent, wherein the heavy-solvent extract oil has the flash point higher than 200 DEG C, the kinematic viscosity greater than 15.0 mm<2> / s at 100 DEG C and the CA value greater than 35.0 percent; the auxiliary agent is single-hydrocarbon or light-hydrocarbon oil with low density, low viscosity and boiling point between 80 and 300 DEG C; the solvent is N-methyl pyrrolidone, phenol or furfural; a refining tower has the temperature between 50 and 100 DEG C on the top and has the temperature between 30 and 100 DEG C on the bottom; and the mass ratio of the raw material to the auxiliary agent to the solvent is 1.0:0.1-0.5:2.0-5.0. Refined oil is high in arene content; the CA value of the refined oil is above 19.0 percent; the arene content of the refined oil is greater than 50.0 percent; the PCA content of the refined oil determined by an IP346 method is less than 3.0 percent; the benzopyrene of the refined oil is less than 1 PPM; and the total content of eight specific polyaromatic hydrocarbon is less than 10 PPM.
Owner:PETROCHINA CO LTD
Moulding method of variable-density broadband wave-transparent quartz composite ceramic antenna housing body
ActiveCN104446584AGood structural strengthImprove impregnation composite effectBroadbandVariable density
The invention discloses a moulding method of a variable-density broadband wave-transparent quartz composite ceramic antenna housing body. The method comprises the following steps: according to dimension and quality request of the housing body, integrally weaving an outer material and an inner material to obtain an inner and outer housing body fabric; putting the housing body fabric in water to be cooked and soaking in acid liquor; then, putting the housing body fabric in an utensil filled with a silica sol for dipping and compounding; and finally machining a housing body blank to a required dimension to obtain the antenna housing body. According to the moulding method disclosed by the invention, the outer layer of the housing body fabric is woven by quartz fiber yarns, so that the volume percentage of the quartz fiber yarns is 40-45% while the inner layer of the housing body fabric is woven by hollow quartz fiber yarns, so that the volume percentage of the hollow quartz fiber yarns is 25-30%, therefore, the fiber volume percentages of the inner and outer layers of the housing body fabric are different. Meanwhile, the inner and outer layers are integrally attached and woven, the layering problem is avoided, and the housing body has relatively good structural strength is powerfully guaranteed as a result of relatively good strength of a reinforcement.
Owner:湖北三江航天江北机械工程有限公司
Gas-liquid-solid three-phase fluidized bed sorting machine and sorting method thereof
ActiveCN103657839AHigh sorting accuracyImprove loosenessFlotationWet separationAutomatic controlEngineering
The invention provides a gas-liquid-solid three-phase fluidized bed sorting machine and a sorting method thereof. The sorting machine comprises a sorting barrel, a center feeding barrel, a conical distribution plate, a fine coal overflow collecting tank, a bubble generator, a fluid distribution master and branch pipe, a buffering and discharging fluid distribution plate, a bed online densimeter, a programmable density controller, an underflow discharging automatic control actuator and an underflow discharging valve. The sorting method includes the steps that water flow passes through the bubble generator and the fluid distribution master and branch pipe and enters the sorting barrel and a uniform and stable ascending gas-liquid two-phase fluid is formed in the sorting barrel under the action of the buffering and discharging fluid distribution plate, and materials entering the sorting barrel are separated according to differences of density and surface properties, so that sorting precision of the materials according to density differences is improved, and the loss that low-density rough particles enter underflow and the defect that high-density fine silt pollutes fine coal are effectively avoided. The gas-liquid-solid three-phase fluidized bed sorting machine is simple in structure and method, low in sorting lower limit, wide in processing particle range, high in sorting precision, high in reliability and wide in applicability.
Owner:CHINA UNIV OF MINING & TECH
Imaging lens assembly, image capturing unit and electronic device
ActiveUS20190094497A1Prevent overly strong refractive powerReduce aberrationOptical elementsImaging lensElectron
An imaging lens assembly includes six lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The second lens element has positive refractive power. The third lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The image-side surface of the fifth lens element has at least one inflection point.
Owner:LARGAN PRECISION
Oil-containing sewage floatation cyclone coupling separation method
InactiveCN1470461ALower free energyIncrease density differenceWater/sewage treatment by centrifugal separationFatty/oily/floating substances removal devicesCycloneSewage
The present invention discloses a floatation cyclone couping separation method of oil-containing sewage, and is characterized by that because of the special stirring function of the vortex pump, the vortex pump suck oil-containing sewage while sucking air, and the sewage and air are stirred and mixed, the pressure is increased to the greater than or equal to 0.20 MPa, then pumped into the oil-removing cyclone with special structure. Because pressure is suddenly reduced, lots of microfine air bublbes are quickly released out, and the air bubbles and microsmall oil drops can be automatically adhered together under the action of interfacial tension in the cyclone centrifugal force field, because the density of oil drop and air bubble adhered body is greatly less than that of oil phase, so that the small oil drops can be separated out by adopting floatation cyclone combined equipment, and its cleaning rate can be up to above 99%.
Owner:EAST CHINA UNIV OF SCI & TECH
Heat exchange device of cooling tower
ActiveCN104089497AGive full play to the heat exchange capacityLow densityTrickle coolersCooling towerDistribution system
The invention discloses a heat exchange device of a cooling tower. The heat exchange device comprises a splashing mechanism and a filling mechanism, wherein the splashing mechanism comprises a water distribution system and a nozzle cluster; a water inlet and multiple water outlets are formed in the water distribution system; the nozzle cluster comprises a first group of nozzles, a second group of nozzles and a third group of nozzles; a cooling plane formed by the first, second and third groups of nozzles is vertically intersected with the axis of a tower barrel; the cooling plane comprises a central area in which the first group of nozzles are arranged, an inner area in which the second group of nozzles are arranged and a peripheral area in which the third group of nozzles are arranged; the central area, the inner area and the peripheral are all annular and are arranged at the central area, the inner area and the peripheral area along the radial direction of the tower barrel in sequence; the filling mechanism comprises a first area, a second area and a third area which are arranged along the radial direction of the tower barrel in sequence; the first area and the second area are corresponding to the projections of the central area and the inner area in the axial direction of the tower barrel respectively; the spraying density of the first area is smaller than that of the second area. According to the heat exchange device, the cooling efficiency of the cooling tower can be improved.
Owner:GUODIAN LONGYUAN POWER TECH ENG
Methods for separating carbon nanotubes by enhancing the density differential
InactiveUS7727505B2Increase density differenceOvercomes shortcomingMaterial nanotechnologyPigmenting treatmentEnd-groupCarbon nanotube
Owner:GLOBALFOUNDRIES INC
Photographing optical lens assembly, image capturing unit and electronic device
A photographing optical lens assembly includes six lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The second lens element has positive refractive power. The third lens element has negative refractive power. The sixth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface of the sixth lens element has at least one inflection point.
Owner:LARGAN PRECISION
Single-photon laser height measurement data denoising method and device based on density statistics
ActiveCN111665517AImprove denoising effectImprove accuracyCharacter and pattern recognitionElectromagnetic wave reradiationComputational physicsLaser altimetry
The invention relates to a single-photon laser height measurement data denoising method and device based on density statistics. The method comprises the following steps: 1) obtaining single-photon laser altimetry data; 2) performing data preprocessing; 3) carrying out photon density calculation by using an ellipse search area whose direction and size change adaptively with the gradient; and 4) adaptively calculating segmented threshold separation signal photons and noise photons by adopting an OTSU method, and removing discrete noise points by adopting a K nearest neighbor distance. Compared with the prior art, the method is not influenced by non-uniform background noise photons, and is high in adaptability, the direction of the search ellipse can be changed adaptively along with the slope, the size can be changed, signal photons and noise photons of each segment are separated by using the segmentation threshold, and a small number of discrete noise points left after rough denoising are further removed; and the method is complete in signal extraction, high in denoising precision and high in efficiency.
Owner:TONGJI UNIV
Methods for seperating carbon nanotubes by enhancing the density differential
InactiveUS20090291041A1Increase density differenceOvercomes shortcomingMaterial nanotechnologyNanoinformaticsEnd-groupCarbon nanotube
A method for separating carbon nanotubes comprises: providing a mixture of carbon nanotubes; introducing an organic molecule having an end group capable of being chelated by a metal ion to the mixture of carbon nanotubes to covalently bond the organic molecule to at least one of the mixture of carbon nanotubes; and introducing a metal salt to the mixture of carbon nanotubes to chelate the end group of the organic molecule with the metal ion of the metal salt; and centrifuging the mixture of carbon nanotubes to cause the separation of the carbon nanotubes based on a density differential of the carbon nanotubes.
Owner:GLOBALFOUNDRIES INC
Refining agent for magnesium alloy and preparation method thereof
The invention relates to a magnesium alloy refining agent and a preparation method for the magnesium alloy refining agent. The compositions and content of the magnesium alloy refining agent are that: 25 to 35 weight percent of potassium chloride, 5 to 10 weight percent of calcium fluoride, 5 to 9 weight percent of barium chloride, 1 to 10 weight percent of manganese chloride, 0.2 to 0.7 weight percent of titanium sponge and 0.1 to 1.0 weight percent of boron oxide, and the residual is magnesium chloride. By adoption of the magnesium alloy refining agent of the invention, iron content in alloys can be obviously reduced. In the embodiment, wrought magnesium alloys AZ31D are prepared; analytically, contents of main metallic impurities are that: iron: less than or equal to 0.002 percent; copper: less than or equal to 0.001 s; nickel: less than or equal to 0.001 percent.
Owner:GRIMAT ENG INST CO LTD
Application of polyacrylamide and hydroxypropyl methyl cellulose composition to pesticide preparation
ActiveCN105707061AIncrease depositionImprove retentionBiocideAnimal repellantsMethyl cellulosePolyacrylamide
The invention relates to application of a polyacrylamide and hydroxypropyl methyl cellulose composition to pesticide preparation. The ratio of polyacrylamide to hydroxypropyl methyl cellulose is 1:10-10:1, the polyacrylamide and hydroxypropyl methyl cellulose mixture is used for preparing a pesticide auxiliary or being directly added into pesticide, and the polyacrylamide and hydroxypropyl methyl cellulose composition has a good effect of increasing the effective use ratio of pesticide spray.
Owner:江西正邦作物保护股份有限公司
Papermaking method using diaper absorbent core layer fibers
InactiveCN105463897AEffective recyclingSave resourcesPaper recyclingWaste paper working-upSolubilityAluminium
The present invention discloses a papermaking method using diaper absorbent core layer fibers. The diaper absorbent core layers are pulverized and dissolved in water; an inorganic aluminum salt is added and stirred fully, and then defibering is carried out to obtain a fiber slurry; and then the fiber slurry is subjected to papermaking. According to the papermaking method using diaper absorbent core layer fibers, first the added inorganic aluminum salt destructs interfacial double electrical layers of a superabsorbent hydrogel material to increase the density difference between an inner phase and an outer phase and to promote precipitation of the inner phase; at the same time, the polarity difference between the inner and outer phases is increase, so that outer phase namely an oil phase has decreased solubility in water, and goal of removing SAP is ultimately achieved; the diaper absorbent core layer fibers after SAP removal are reused for papermaking, so as to achieve the effective recovery of diaper absorbent core layers, substantially save resource, energy conservation and transport, reduce emission and improve the social and economic benefits, and make great contribution to the pulping and papermaking industry.
Owner:SHAANXI UNIV OF SCI & TECH
Photographing optical lens assembly, image capturing unit and electronic device
A photographing optical lens assembly includes six lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The second lens element has positive refractive power. The third lens element has negative refractive power. The sixth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface of the sixth lens element has at least one inflection point.
Owner:LARGAN PRECISION
Method for testing water content of crude oil
The invention provides a method for testing the water content of crude oil. The method comprises the following steps: preparing a saline solution of which the solution density is no less than 1.40g / cm<3> by using distilled water, and pre-heating the saline solution to be 30-60 DEG C; preheating a crude oil sample to be 30-60 DEG C; mixing 10ml of the saline solution and 90ml of the crude oil sample, and stirring for 10 minutes at the rotation speed of 400-800rpm, thereby acquiring a mixture of the crude oil sample; loading 20ml of the mixture into a centrifuge tube, putting the centrifuge tube into a centrifuge, and rotating the centrifuge for 15 minutes at a rotation speed of 2000-4000rpm; and reading the volume V of the water inside the centrifuge tube, and calculating the water content of the crude oil according to an equation (V / 20)*100%-10%. Therefore, the water content of crude oil which is large in velocity and relatively high in wax and colloid can be rapidly and precisely tested.
Owner:PETROCHINA CO LTD
Suspended bed reactor and method for realizing liquid phase self circulation by using same
ActiveCN107519826AReduce line speedIncrease the line speed after smallHydrocarbon oils refiningChemical/physical processesInlet channelEngineering
The invention provides a suspended bed reactor and a method for realizing liquid phase self circulation by using the same. The reactor comprises a reactor shell and a liquid-phase circulation pipe and an inlet jet distributor which are arranged in the shell; the inlet jet distributor includes an annular boss and a guiding object, the annular boss is arranged on the inner side wall of the shell near a liquid flow inlet, the guiding object is arranged above the liquid flow inlet, the largest outer diameter of the guiding object and the smallest inner diameter of the annular boss are arranged in a relative manner to make the aperture diameter of a liquid inlet channel formed between the guiding object and the annular boss smallest. According to the suspended bed reactor, with use of self pressure energy of inlet materials and pressure energy generated by the difference of the densities of the interior and the exterior of the liquid-phase circulation pipe, liquid phase self circulation in the reactor is formed, not only can the linear speed of a liquid phase be improved to facilitate coke discharging, but also the axial temperature difference of the reactor can be reduced, and the reaction released heat can be used for heating an inlet feed material. At the same time, the interior of the reactor has no flow dead zone, and coking can be effectively reduced or even avoided.
Owner:BEIJING SJ ENVIRONMENTAL PROTECTION & NEW MATERIAL CO LTD +1
Forming method of variable-density broadband wave-transparent quartz composite ceramic radome
ActiveCN104446584BImprove structural strengthThere is no layering problemGlass/slag layered productsYarnComposite ceramic
The invention discloses a moulding method of a variable-density broadband wave-transparent quartz composite ceramic antenna housing body. The method comprises the following steps: according to dimension and quality request of the housing body, integrally weaving an outer material and an inner material to obtain an inner and outer housing body fabric; putting the housing body fabric in water to be cooked and soaking in acid liquor; then, putting the housing body fabric in an utensil filled with a silica sol for dipping and compounding; and finally machining a housing body blank to a required dimension to obtain the antenna housing body. According to the moulding method disclosed by the invention, the outer layer of the housing body fabric is woven by quartz fiber yarns, so that the volume percentage of the quartz fiber yarns is 40-45% while the inner layer of the housing body fabric is woven by hollow quartz fiber yarns, so that the volume percentage of the hollow quartz fiber yarns is 25-30%, therefore, the fiber volume percentages of the inner and outer layers of the housing body fabric are different. Meanwhile, the inner and outer layers are integrally attached and woven, the layering problem is avoided, and the housing body has relatively good structural strength is powerfully guaranteed as a result of relatively good strength of a reinforcement.
Owner:湖北三江航天江北机械工程有限公司
Brine separation in tall soap oil preparation
InactiveUS7084238B2Decreasing soap oil formationLimit carbon dioxide solubilityFatty oils/acids recovery from wasteNatural resin processSaline waterSodium bicarbonate
A process for separating sodium bicarbonate brine from crude tall oil or for separating sulfate brine from soap oil, such as in a recovery process in a pulp mill. A water solution having an increased density is added during the neutralization of crude tall oil soap with carbon dioxide or acidulation of soap oil with sulfuric acid.
Owner:LINDE AG
Ultra-long gravity heat pipe geothermal mining device with steam-water separation function
ActiveCN109798794AIncrease resistanceReduce liquid volumeGeothermal energy generationDispersed particle separationLiquid densityEngineering
The invention discloses an ultra-long gravity heat pipe geothermal mining device with a steam-water separation function. A steam-water separation device is arranged between a heat taking section and aheat insulating section, thus the liquid carrying amount of ascending working medium steam is greatly decreased, and the air flow speed is decreased; in addition, descending liquid is collected through a flow guiding plate structure and the like, and thus intersection of ascending gas and descending gas is avoided; and meanwhile, the density difference of the ascending steam and the descending working medium liquid is increased, driving force is increased because of increase of the working medium liquid density difference to be sufficient to overcome increased resistance of the steam-water separation device, and thus the capability of pipe heat length conveying is improved.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
Method for reusing leftover bits and pieces of diaper
InactiveCN105463895AEfficient recyclingIncrease density differencePaper recyclingWaste paper working-upSolubilityAluminium
The present invention discloses a method for reusing leftover bits and pieces of diaper. The water-absorbing resin in the leftover bits and pieces of diaper is removed by using inorganic aluminum, and then the leftover bits and pieces of diaper are treated for papermaking. The method for reusing leftover bits and pieces of diaper uses inorganic aluminum salt to damage the interface double electric layer of the superabsorbent hydrogel material, improve the density difference of the two phases inside and outside, promote precipitation of the internal phase; and the increase of the polar phase difference of the internal and external phases decreases the solubility of the external phase (the oil phase) in water, so as to ultimately achieve the goal of removing SAP. The present invention achieves effective recovery of leftover bits and pieces of diapers, saves a substantial amount of resource, energy, transportation and emissions, improves the social and economic benefits, and makes great contribution to the pulping and papermaking industry.
Owner:SHAANXI UNIV OF SCI & TECH
Photographing optical lens system, image capturing unit and electronic device
A photographing optical lens system includes six lens elements. The six lens elements are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The second lens element has negative refractive power. The third lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The fifth lens element has an image-side surface being concave in a paraxial region thereof. The sixth lens element has positive refractive power.
Owner:LARGAN PRECISION
Photovoltaic/photo-thermal coupling driving building chimney ventilation strengthening system and method
PendingCN114543233AImprove ventilationImprove the winding effectSolar heating energyDucting arrangementsThermodynamicsNatural ventilation
The invention discloses a photovoltaic / photo-thermal coupling driving building chimney ventilation strengthening system and method.The photovoltaic / photo-thermal coupling driving building chimney ventilation strengthening system comprises a solar photovoltaic / photo-thermal integrated assembly, a heat exchange system and a ventilation unit, and the solar photovoltaic / photo-thermal integrated assembly is arranged on a roof and used for collecting solar energy; solar energy is converted into electric energy and heat energy to serve as energy for strengthening natural ventilation; the heat exchange system comprises a primary heat exchange unit and a secondary heat exchange unit, the primary heat exchange unit is used for exchanging heat with the solar photovoltaic / photo-thermal integrated assembly, and the secondary heat exchange unit is used for exchanging heat with air in the ventilation chimney; and the ventilation unit is used for introducing outdoor air into a room for ventilation. According to the system, full-solar clean energy driving active and passive ventilation is achieved, the effect of improving building ventilation is achieved, and the purposes of energy conservation and emission reduction are met.
Owner:XI AN JIAOTONG UNIV
Solvent system in working liquid for hydrogen peroxide production with anthraquinone method, and applications thereof
InactiveCN106629615AImprove solubilityImprove hydrogenation efficiencyPeroxides/peroxyhydrates/peroxyacids/superoxides/ozonidesAnthraquinone processPhenethyl alcohol
The invention relates to a solvent system in a working liquid for hydrogen peroxide production with an anthraquinone method, wherein the solvent system comprises, by volume, 65-80% of heavy aromatic hydrocarbon, 5-15% of trioctyl phosphate, 5-15% of 2-methylcyclohexyl acetate, and 5-15% of 2-phenylethanol. According to the present invention, with the application of the solvent system to prepare the working liquid, the good hydrogen efficiency can be provided during the hydrogen peroxide production process with the anthraquinone method; and the density difference between the working liquid and the water is high, and the surface tension of the working liquid is high, such that extraction and other subsequent operations are easily performed.
Owner:CHINA PETROLEUM & CHEM CORP +1
Grease waste liquid treatment device
InactiveCN111333265AIncrease density differenceAchieve dischargeFatty/oily/floating substances removal devicesWater contaminantsOil and greaseAeration system
The invention discloses a grease waste liquid treatment device. The treatment device comprises a treatment box body, an aeration system, a rotating shaft system and a central rotating shaft driving system, an inner cavity of the treatment box body is divided into an oil-water separation cavity and a multi-stage waste liquid treatment cavity, and the treatment device can be used for carrying out aerobic treatment, anaerobic treatment or anaerobic and aerobic composite treatment on oil-removed waste liquid after oil-water separation according to requirements. The internal structure of the treatment device is reasonably improved; the oil-water separation effect of the grease waste liquid is enhanced based on the gravity-air floatation principle; meanwhile, a biological treatment function is integrated; aerobic treatment, anaerobic treatment or anaerobic and aerobic composite treatment of the deoiling waste liquid obtained after oil-water separation can be respectively realized as required; resource utilization and environmental protection of the grease waste liquid are facilitated, the purposes of simplifying equipment and reducing treatment cost are achieved while high efficiency isachieved, and the method is particularly suitable for common families, catering merchants of various scales, central kitchens and other scenes.
Owner:SOUTHWEST JIAOTONG UNIV
Imaging lens assembly, image capturing unit and electronic device
ActiveUS10627603B2Prevent overly strong refractive powerReduce aberrationLensOphthalmologyOptical axis
An imaging lens assembly includes six lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The second lens element has positive refractive power. The third lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The image-side surface of the fifth lens element has at least one inflection point.
Owner:LARGAN PRECISION
Ultra-long gravity heat pipe geothermal extraction device with steam-water separation
ActiveCN109798794BIncrease resistanceReduce liquid volumeGeothermal energy generationDispersed particle separationLiquid densityHeat pipe
The invention discloses an ultra-long gravity heat pipe geothermal mining device with a steam-water separation function. A steam-water separation device is arranged between a heat taking section and aheat insulating section, thus the liquid carrying amount of ascending working medium steam is greatly decreased, and the air flow speed is decreased; in addition, descending liquid is collected through a flow guiding plate structure and the like, and thus intersection of ascending gas and descending gas is avoided; and meanwhile, the density difference of the ascending steam and the descending working medium liquid is increased, driving force is increased because of increase of the working medium liquid density difference to be sufficient to overcome increased resistance of the steam-water separation device, and thus the capability of pipe heat length conveying is improved.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
Oil dirt processing device for domestic wastewater
InactiveCN107226576AIncrease ascent speedChange collision chanceWater treatment parameter controlFatty/oily/floating substances removal devicesWastewaterSewage
The invention discloses an oil dirt processing device for domestic wastewater. The oil dirt processing device comprises a processing box, wherein a water inlet area, a coalescence area and a separation box are sequentially arranged in the processing box; a partition is arranged between the water inlet area and the coalescence area; a water running opening is formed below the partition; a water inlet I is formed above the water inlet area; a horizontal round shaft is arranged in the water inlet area and the coalescence area and penetrates the partition; stirring blades are arranged on the side surface of the round shaft; the water inlet I is aligned to the stirring blades; a groove in the vertical direction is formed in the middle above the separation box; a water inlet II is formed in the left side of the groove; a heating tube is arranged below the water inlet II; a water outlet is formed in the right side of the groove; an oil suction bag is arranged at the water outlet; and a fiber-ball filter is arranged in the oil suction bag. The oil dirt processing device is reasonable in structure, convenient to use, small in land occupation, low in cost, easy in oil-water separation and strong in oil dirt processing capability.
Owner:NANJING LVZHICHENG PATENT TECH DEV CO LTD
A suspended bed reactor and a method for realizing liquid phase self-circulation using the reactor
ActiveCN107519826BReduce line speedIncrease the line speed after smallHydrocarbon oils refiningChemical/physical processesFluid phaseEngineering
Owner:BEIJING SJ ENVIRONMENTAL PROTECTION & NEW MATERIAL CO LTD +1
Automatic kitchen oil-water mixture separating device
InactiveCN105884076ASimple structureEasy to manufacture and installTreatment involving filtrationMultistage water/sewage treatmentAutomatic controlOil water
The invention discloses an automatic kitchen oil-water mixture separating device which comprises a case body, an oil-water mixture storage chamber, an oil-water separating chamber, an oil collection chamber, a water purification chamber and a bubble generation device. The oil-water mixture storage chamber is arranged on the upper portion of the right side in the case body, the oil-water mixture storage chamber is connected with the oil-water separating chamber through a discharge pipe, the oil-water separating chamber is communicated with the bottom of the water purification chamber, the oil collection chamber is fixed on the portion, close to the rear side, of the lower portion of the right side in the case body, the oil collection chamber is connected with an overflow groove of the oil-water separating chamber through an oil outlet pipe, an air compressor of the bubble generation device is fixed on the portion, close to the front side, of the lower portion of the right side in the case body, a bubble generator of the bubble generation device is arranged below a support pore plate of the oil-water separating chamber, and the air compressor is connected with the bubble generator through an air inlet pipe. The automatic kitchen oil-water mixture separating device has the advantages of being simple in structure and low in cost; by means of the device, oil and water in an oil-water mixture can be effectively separated, and automatic control over the oil-water separating process can be achieved.
Owner:WUHAN UNIV OF SCI & TECH +1
Multistage self circulation anaerobic digestion reactor and work method thereof
PendingCN108483641AEnhanced mass transferIncrease density differenceBiological treatment apparatusTreatment with anaerobic digestion processesHigh concentrationWater quality
The invention discloses a multistage self circulation anaerobic digestion reactor. A first-stage three-phase separator and a second-stage three-phase separator of the reactor are fixedly arranged in atank body; both of the first-stage three-phase separator and the second-stage three-phase separator are in conical shapes with the big diameter ends at the lower side and the small diameter ends at the upper side; the second-stage three-phase separator is positioned above the first-stage three-phase separator; a primary reaction region is formed under the first-stage three-phase separator; a space from a position under the primary reaction region to the tank bottom is a water distribution mixing region; a secondary reaction region is formed between the first-stage three-phase separator and the second-stage three-phase separator; a space between the second-stage three-phase separator and the top of the tank body is a precipitation water outlet region. The external power assists multistagecirculation; marsh gas jet flow is used to enter each stage of reaction regions; the mass transfer and flow speed controllability is high; the gas liquid density difference in the reaction region is reinforced; the circulation, mixing and stirring functions of the system are fast enhanced; the sediment deposition is prevented; the multistage self circulation anaerobic digestion reactor is suitablefor the anaerobic fermentation of high-solid-content sewage; the treatment effect and efficiency of water quality with poor biodegradability and high concentration can be improved.
Owner:南宁绿智环保科技有限公司
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