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Method for treating low-concentration ammonia-nitrogen wastewater or feed liquid
ActiveCN104211246ACompliance with emission standardsDoes not increase processing difficultyMultistage water/sewage treatmentEnvironmental resistancePre treatment
The invention relates to a method for treating a low-concentration ammonia-nitrogen wastewater or feed liquid. The method comprises the steps: firstly, pre-treating the low-concentration ammonia-nitrogen wastewater or feed liquid, removing impurities in the wastewater or feed liquid, adjusting the pH of the wastewater or feed liquid to 6-7.5, and increasing the surface tension to 40 mN / m or even 65 mN / m or more; then carrying out selective adsorption treatment on the pretreated low-concentration ammonia-nitrogen wastewater or feed liquid with zeolite, making the ammonia-nitrogen average concentration of the wastewater or feed liquid subjected to adsorption less than a predetermined value, when the ammonia-nitrogen average concentration of the wastewater or feed liquid after the adsorption treatment reaches the predetermined value, carrying out regeneration treatment on zeolite by utilizing a regeneration liquid, and thus obtaining an ammonia-nitrogen enriched regeneration liquid; followed by allowing the ammonia-nitrogen enriched regeneration liquid to enter a gas membrane separation device, and carrying out deamination treatment; and finally carrying out concentration treatment on the ammonia-nitrogen removed regeneration liquid, and thus obtaining a recyclable regeneration liquid. The method has the advantages of simple operation, small energy consumption, low operation cost, no secondary pollution, economy and environmental protection.
Owner:TIANJIN PURESEA SPRING MEMBRANE TECH CO LTD
Terahertz band imaging objective lens with high relative aperture and large field of view
ActiveCN107092075AAvoid strong absorptionAberration correctionOptical elementsCamera lensOptical axis
The invention discloses a terahertz band imaging objective lens with a high relative aperture and a large field of view, and belongs to the technical field of optical lens imaging. The object of the invention is to provide a terahertz band imaging objective lens with a high relative aperture and a large field of view, to realize the high relative aperture and large imaging field of view. The terahertz band imaging objective lens comprises a terahertz filter, a first lens, a diaphragm and a second lens. The first lens and the second lens are both convex lenses and both have positive focal power. The first lens and the second lens are both made of plastics having an absorption coefficient of less than 0.5 cm-1 in a less than 0.5THz band and a refractive index 1.3 to 2. Both the first lens and the second lens have high-order aspheric surfaces as the front surfaces, the image quality of the whole field of view is well corrected, and the high relative aperture and large imaging field of view are realized. The invention is applicable to an objective lens for terahertz imaging.
Owner:LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS
Method for on-line identifying small packaged hot connecting and disconnecting module
InactiveCN1889401ARealize online identificationNo reduction in reliabilityTransmission monitoringLine-transmission monitoring/testingEngineeringMonoboard
This invention discloses a method for identifying on-line SFP electric modules, which connects the first and second test pins of a SFP module in short-circuit, when a control unit of a monoboard the SFP module places tests that the module has been plugged in the monoboard, said method includes the following steps: A, the control unit transmits a preset test signal to the first test pin of the SFP module by the pin of its own transmitting test signals, B, the control unit receives the fed back signals from the second test pin of the module by its pin receiving test signals and judges if said fed back signal is the preset signal, if so, it judges that the SFP module plugged in the monoboard current is an electric module, otherwise, it's not.
Owner:HUAWEI TECH CO LTD
Display system and display device
ActiveCN109765695AReduce processing difficultyReduce processing costsOptical elementsImage resolutionDisplay device
The invention provides a display system and a display device. The display system comprises a display screen and a lens array, wherein the lens array is arranged on the display side of the display screen and is used for converting a two-dimensional image displayed by the display screen into a three-dimensional image; the display system further comprises a light modulation structure; and the light modulation structure is fixedly arranged between the display screen and the lens array and is used for modulating the length of an optical path, through which the display light sent by the display screen is irradiated into the lens array into two types. Compared with the existing technology of increasing the stereo display depth of field through dynamically adjusting the positions of sub-lenses inthe lens array, the display system does not reduce the resolution ratio of the three-dimensional image and is capable of avoiding the positions of the sub-lenses from generating noise to influence theimage display; and compared with the existing technology of increasing the stereo display depth of field through setting the sub-lenses in the lens array into different focal lengths and calibers, the display system does not need to carry out different designs on the sub-lenses in the lens array, thereby reducing the processing difficulty and cost of the whole display system.
Owner:BOE TECH GRP CO LTD +1
A kind of low-concentration ammonia nitrogen wastewater or feed liquid treatment method
ActiveCN104211246BCompliance with emission standardsDoes not increase processing difficultyMultistage water/sewage treatmentEnvironmental resistancePollution
The invention relates to a method for treating low-concentration ammonia-nitrogen wastewater or feed liquid. The steps include: firstly, pretreating low-concentration ammonia-nitrogen wastewater or feed liquid to remove impurities in the waste water or feed liquid; The pH is adjusted to between 6 and 7.5, and the surface tension is increased to 40mN / m or even above 65mN / m; then, zeolite is used to selectively adsorb the pretreated low-concentration ammonia nitrogen wastewater or feed liquid, so that the adsorbed wastewater or feed The average concentration of ammonia nitrogen in the liquid is less than the predetermined value. When the average concentration of ammonia nitrogen in the waste water or feed liquid after adsorption treatment reaches the predetermined value, the regeneration liquid is used to regenerate the zeolite to obtain a regeneration liquid rich in ammonia nitrogen; The regeneration solution of ammonia nitrogen enters the gaseous membrane separation device for deamination treatment; finally, the regeneration solution from which ammonia nitrogen is removed is concentrated to obtain a recyclable regeneration solution. The method not only has simple operation, low energy consumption and low operation cost, but also has no secondary pollution, and is economical and environment-friendly.
Owner:TIANJIN PURESEA SPRING MEMBRANE TECH CO LTD
Method for repairing plunger of ship steering engine
The invention relates to a method for repairing a plunger of a ship steering engine, in particular to a method for repairing the plunger of the ship steering engine, which is particularly suitable tothe repair of the plunger of the ship steering engine for a sea ship. The method sequentially comprises the following steps: preprocessing, spraying, brush plating, bath plating, simulating and examining, and accepting. The invention not only can fully repair the plunger of the ship steering engine to meet total repair requirements, but also can not damage original metallographic structures and base materials of the plunger of the ship steering engine without causing welding distortion, can not increase the processing difficulty of the plunger of the ship steering machine and can not influencethe subsequent bath chromium plating process of the plunger of the ship steering engine after the repair, and is convenient for field maintenance.
Owner:WUHAN MARINE MACHINERY PLANT
Shielding cover frame and manufacturing process thereof
InactiveCN105964782AHigh strengthReduce residual stressMagnetic/electric field screeningRaw materialManufacturing engineering
The invention discloses a manufacturing process of a shielding cover frame, which comprises the following steps: S1, printing marks on a raw material tape entering a mold, where the marks are recesses or protrusions arranged at intervals, to prepare a blank; S2, Holes are made at the edges of the blank that need to be stretched and bent. Also disclosed is a shielding cover frame, which includes a body, the surface of the body is provided with a number of imprinted points, and the imprinted points are depressions or protrusions, and the stretched and bent edges of the surface are provided with punching holes. The shielding cover frame and the manufacturing process thereof of the present invention make the flatness of the product more stable, and can effectively reduce the maintenance cost of the mould.
Owner:SHENZHEN SUNWAY COMM
Fresh air device and air conditioner with same
ActiveCN113137664ASimple structureDoes not increase processing difficultyLighting and heating apparatusNoise suppressionFresh airMechanical engineering
The invention discloses a fresh air device and an air conditioner with the same. The fresh air device comprises: a volute assembly, wherein the volute assembly is provided with a mounting cavity and a volute air inlet communicating with the mounting cavity; a sealing cover, wherein the sealing cover is arranged on one side of the volute assembly in a covering mode, the sealing cover and the volute assembly are matched to form an air inlet cavity, and the air inlet cavity communicates with the mounting cavity through the volute air inlet; and a filter screen assembly, wherein the filter screen assembly is arranged in the air inlet cavity and located at the volute air inlet. The filter screen assembly comprises a filter screen and a fixing frame for fixing the filter screen, wherein a silencing side wall is arranged on the fixing frame, a first micropore structure is arranged on the silencing side wall, and the silencing side wall is matched with the volute assembly and the sealing cover to form a silencing cavity. A noise reduction structure is arranged on the fixing frame of the fresh air filter screen and is integrally formed through injection molding, additional parts and installation procedures do not need to be added, and the production cost is reduced.
Owner:GREE ELECTRIC APPLIANCES INC
Double groove conjoined angular contact ball bearing
InactiveCN101113758AImprove coaxialityHigh precisionRolling contact bearingsBearing componentsEngineeringBall bearing
The invention provides a double-groove siamesed edge-contact spherical bearing, comprising an outer bearing ring, two arrays of bearing beads, two inner bearing rings, two support stands, an inner ring bushing, and a regulation gasket. Both ends of the outer bearing ring are respectively provided with a ring rolling channel corresponding with rolling channels of the two inner bearing rings, and form a contact angle; the inner ring bushing, a shoulder and the regulation gasket lock the inner bearing rings; the invention is assembled by a shaft, a craft gasket and craft screws into a detachable siamesed bearing. The invention adopts siamesed outer bearing rings, which can increase such size and position requirements as concentricity and perpendicularity of the shaft system, and endows the bearing with high precision, thus prolonging the service life of the bearings without increasing the working difficulty. The invention also has the advantages of simple structure, being convenient to be arranged, and adjustable axial preload and so on.
Owner:CHONGQING HUAYU ELECTRIC GRP
Slaughter wastewater treatment method and system
PendingCN111847771ACooperate wellClosely connectedSludge treatmentTreatment involving filtrationSludgeFluidized bed
The invention relates to the technical field of slaughter wastewater and waste gas treatment. The invention particularly discloses a slaughter wastewater treatment method and system. The system comprises a primary slag salvaging pool, and the primary slag salvaging pool is connected with a secondary slag salvaging pool; a coarse screen is arranged between the secondary slag salvaging tank and theprimary slag salvaging tank; the secondary slag salvaging tank is connected with an oil separation grit chamber; a rotary drum fine grid is arranged between the oil separation grit chamber and the secondary slag salvaging tank; the oil separation grit chamber is connected with an adjusting lifting tank; a first lifting pump is arranged between the adjusting lifting tank and the oil separation gritchamber; the adjusting lifting tank is connected with an air floatation tank, the air floatation tank is connected with an anoxic tank, the anoxic tank is connected with an aerobic tank, the aerobictank is connected with a secondary sedimentation tank, the secondary sedimentation tank is connected with an aerobic fluidized bed tank, the aerobic fluidized bed tank is connected with a high-densitysedimentation tank, and the high-density sedimentation tank is connected with a sludge storage tank. The method and system have the characteristics of low treatment cost, low operation energy consumption, high treatment efficiency and easiness in reaching the emission standard.
Owner:浙江省环境工程有限公司
Tooth engagement transmission part applied to precise mechanical structure
InactiveCN103807407ASmall footprintThere will be no problem of mutual misalignment and disengagementPortable liftingGearing elementsEngineeringTooth space
The invention provides a tooth engagement transmission part applied to a precise mechanical structure. The tooth engagement transmission part comprises a body (1), wherein the outer edge of at least one part of the body (1) is provided with an engagement tooth group (3) which takes a rotating shaft of the body (1) as a center, has the same radius and is in arc arrangement. The tooth engagement transmission part is characterized in that the body (1) is in a flake shape, engagement teeth (4) are divided into two layers along the axial direction, the two layers of engagement teeth (4) are the same in tooth form and tooth space, and adjacent engagement teeth (4) between the two layers are mutually staggered along the circumferential direction. The tooth engagement transmission part is stable and precise in engagement, continuous and smooth in transmission and convenient to process.
Owner:WONLY SECURITY & PROTECTION TECH CO LTD
Sulfur-containing gas well oil pipe blocking remover and preparation method thereof
ActiveCN111909676AAvoid severe corrosion problemsAvoid productiveProductsReagentsOil and greaseProcess engineering
The present invention discloses an sulfur-containing gas well oil pipe blocking remover, which is prepared by mixing and reacting the following components: 5-24% of citric acid, 50-55% of ethylene glycol, 25-34% of triethanolamine and 0.3-0.6% of sulfamic acid; technical indices are described as follows: the foaming rate is 6.0-8.5%, the content of water insoluble substances is 2.0-2.5%, the flashpoint (opening) is 112-115 DEG C, the normal-pressure static corrosion rate is 0.45-0.58 g / m2*h, the grease dissolution rate is 92-98%, and water separation rate is zero. The invention also disclosesa preparation method of thesulfur-containing gas well oil pipe blocking remover. The sulfur-containing gas well oil pipe blocking remover disclosed by the invention has a relatively strong surface activity cleaning function, can remove oil and scale in blockages at the same time, gives play to the dual blocking removal effect of an oil pipe, can also avoid the burning explosion risk caused by theuse of flammable and combustible materials in the prior art, and can also avoid the problems of treatment difficulty of flowback wastewater and serious corrosion to equipment and the like; in addition, the preparation method is mature, simple in process operation and easy to control and realize industrial production.
Owner:SICHUAN SHENGNUO OIL & GAS ENG TECH SERVICE CO LTD +2
Filtering aid for vibrating, slagging and filtering oil materials in edible oil processing
ActiveCN107096299AEnhance filter effectImprove filtration efficiencyFiltration separationChemistryEdible oil
The invention discloses a filtering aid for vibrating, slagging and filtering oil materials in edible oil processing and relates to the technical field of edible oil processing. The filtering aid is prepared from the following raw materials in parts by weight: 10-15 parts of microcrystalline cellulose, 5-10 parts of modified polyvinylpolypyrrolidone, 3-5 parts of cinerite, 2-3 parts of polyethylene oxide, 2-3 parts of lotus leaf powder, 2-3 parts of allyl glycidyl ether, 1-2 parts of polyvinyl alcohol resin, 1-2 parts of sepiolite fiber, 1-2 parts of diallyl dimethyl ammonium chloride, 0.5-1 part of tributyl citrate, 0.5-1 part of sodium gluconate and 0.5-1 part of nanometer titanium dioxide. The filtering aid disclosed by the invention can be used for obviously increasing the filtering efficiency of a vibrating slagging filter and prolonging the service life of a filter screen; the difficulty in treating the discharged wastewater is not increased; the filtering aid is mixed with the filtering residue and is removed by filtration.
Owner:安徽家壹味食品有限公司
An insert-type injection-molded pipe fitting and its production process
ActiveCN104653935BSimple runner structureReduce processing costsPipe connection arrangementsPipe fittingEngineering
Owner:山东华信塑胶股份有限公司
Insert-type injection pipe joint and production process thereof
ActiveCN104653935ASimple runner structureReduce processing costsPipe connection arrangementsUltimate tensile strengthMachining
The invention relates to an insert-type injection pipe joint. The insert-type injection pipe joint comprises an insert and a pipe main body part, wherein the pipe main body part comprises a combination part and a connecting part; the combination part is fixedly connected with the connecting part in an airtight manner; the insert is connected with the connecting part in a sleeving manner; the insert-type injection pipe is characterized in that an annular bulge is arranged on the outside wall of the insert; the annular bulge surrounds the periphery of the outer surface of the insert; a groove which corresponds to the annular bulge is formed in the inside wall of the connecting part; the groove surrounds the periphery of the inside wall of the connecting part; the annular bulge is embedded into the groove; the contact area between the insert and the connecting part can be increased by embedding the annular bulge into the groove, so that the combination strength of the pipe joint can be improved; the insert is combined with the pipe main body part in an injection mode, and the machining difficulty cannot be increased because of the thickness of the wall of the insert.
Owner:山东华信塑胶股份有限公司
Preparation method of slow release non-phosphorus scale inhibitor for industrial circulating cooling water
InactiveCN108483685ADoes not increase processing difficultyPlay a cleaning roleScale removal and water softeningNon-contaminated water treatmentEutrophicationEsterification reaction
The invention discloses a preparation method of a slow release non-phosphorus scale inhibitor for industrial circulating cooling water and relates to the technical field of scale inhibitors. The preparation method comprises the following steps: (1) preparation of a scale inhibition content, (2) preparation of a slow release carrier, and (3) preparation of the slow release non-phosphorus scale inhibitor. According to the method, the slow release carrier is prepared through an esterification reaction of polydextrose and lauric acid; the prepared slow release carrier as a skeleton structure, exerts a slow release effect and controls a release rate of the scale inhibition content so as to ensure a long-term scale inhibition effect; the prepared slow release non-phosphorus scale inhibitor solves the technical problems that the conventional phosphorus scale inhibitor easily generates phosphate scale, promotes microorganism reproduction in the circulating water and results in eutrophication of receiving water.
Owner:ANHUI ZHIBO NEW MATERIAL TECH CO LTD
Hybrid TPU capable of quickly crystallizing and having low refractive index and preparation method of hybrid TPU
The invention discloses hybrid TPU capable of quickly crystallizing and having a low refractive index and a preparation method of the hybrid TPU. The preparation method comprises the steps: (1) preparing hollow silicon dioxide nano-microspheres with high alcohol modified on the surfaces; and (2) adding isocyanate (MDI), the hollow silicon dioxide nano-microspheres and a catalyst into a reactor under the protection of nitrogen and heating to prepare a hollow silicon dioxide microsphere hybridized TPU prepolymer, wherein the mass fraction of the isocyanate is 20-60%. The refractive index of the TPU is reduced to about 1.45, and the TPU has low refractive index, can filter various glare, stray light, refracted light, reflected light, scattered light and the like in front of an automobile when being applied to an automobile strong windshield, and reduces the fatigue feeling caused by long-time driving; and in addition, the hollow silicon dioxide nano-microspheres have surface crystallizable and plasticizable properties, so that the processing difficulty of the polymer is not increased, the crystallization rate of the polymer is improved, the forming time of the product is shortened, and the processing and manufacturing cost can be saved.
Owner:尼伦化学(上海)有限公司
System for removing refractory COD (Chemical Oxygen Demands) and removal method thereof
PendingCN108423945ADoes not increase processing difficultyHigh processing loadWater treatment parameter controlTreatment using aerobic processesChemical oxygen demandActivated carbon filtration
The invention discloses a system for removing refractory COD (Chemical Oxygen Demands) and a removal method thereof. The system mainly comprises an ozone oxidation pool, a biological aerated filter, an ozone / hydrogen peroxide synergetic oxidation pool and an activated carbon filter. The method for removing refractory COD comprises the following specific steps: 1) performing ozone oxidation; 2) performing biodegradation; 3) performing synergistic oxidation; 4) performing activated carbon filtration. According to the system and method in the invention, the final products in the ozone oxidation and ozone / hydrogen peroxide oxidation process are carbon dioxide and water, secondary pollution is not brought to raw water in the oxidation process, fouling risk is not brought to a reverse osmosis process, and the treatment difficulty of a reverse osmosis system is not increased.
Owner:易能环境技术有限公司
Through hole electrical performance optimization design method and device, PCB and equipment
PendingCN114245614AImprove electrical performanceIncrease design difficultyElectrical connection printed elementsPrinted element electric connection formationDrill holePrinted circuit board
The invention provides a through hole electrical performance optimization design method, which comprises the following steps of: under the condition that the diameter of a bonding pad and the diameter of an anti-bonding pad are not changed, increasing the copper plating ratio of a through hole so as to improve the electrical performance of the through hole in a PCB (Printed Circuit Board); wherein the copper plating ratio is equal to 1 minus the aperture of the formed hole / the aperture of the drilled hole, the invention further provides a through hole electrical performance optimization design device, a PCB and equipment, the three electrical performance indexes of IL, RL and TDR of a via hole (through hole) are all greatly improved, the design difficulty of a single board is not increased, the processing difficulty of the single board is not increased, and the electrical performance of the through hole in the PCB is effectively improved.
Owner:SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
Electromagnetic pilot operated valve with internal waterproof structure
InactiveCN103711978AImprove adaptabilityEffective waterproofSpindle sealingsOperating means/releasing devices for valvesEngineeringMechanical engineering
An electromagnetic pilot operated valve with an internal waterproof structure comprises an electromagnet. The electromagnet comprises an electromagnet body, an end cover and ejector rods, wherein the electromagnet body comprises a first end face, the end cover is fixedly connected to the first end face of the electromagnet body, a wire connection hole is formed in the first end face of the electromagnet body, the two ejector rods are arranged in the electromagnet body and stretch out from the first end face, two front ejector rod holes corresponding to the two ejector rods and a wire connection cavity corresponding to the wire connection hole are formed in the end cover, a front annular sealing groove is formed in the end cover, the front annular sealing groove surrounds the two front ejector rod holes and the wire connection cavity, and a first sealing element is arranged in the front annular sealing groove.
Owner:BEIJING TIANMA INTELLIGENT CONTROL TECH CO LTD
A fresh air device and an air conditioner having the same
ActiveCN113137664BSimple structureDoes not increase processing difficultyLighting and heating apparatusNoise suppressionFresh airEngineering
Owner:GREE ELECTRIC APPLIANCES INC
Pretreatment process of processing recycled polyester staple fiber by using waste polyester bottle flakes
ActiveCN110271117BImprove brittlenessReduced shredding performance requirementsNon-ionic surface-active compoundsPlastic recyclingPolyesterFiber
The invention discloses a pretreatment process for processing regenerated polyester staple fibers by using waste polyester bottle flakes, relates to the technical field of regenerated polyester staple fibers, and comprises the following steps: (1) two-stage crushing, (2) cleaning, (3) Drying, (4) micronization. The waste polyester particles obtained after the pretreatment process of the present invention can be directly used in the processing of regenerated polyester staple fibers, so as to avoid affecting the subsequent processing technology due to incomplete cleaning of dust and oil stains; and the obtained waste polyester particles belong to the micropowder level , which is conducive to the subsequent blending or reaction processing with other materials to make polyester staple fibers.
Owner:ANHUI DONGJIN RESOURCE REGENERATION SCI & TECH
Method for repairing plunger of ship steering engine
The invention relates to a method for repairing a plunger of a ship steering engine, in particular to a method for repairing the plunger of the ship steering engine, which is particularly suitable to the repair of the plunger of the ship steering engine for a sea ship. The method sequentially comprises the following steps: preprocessing, spraying, brush plating, bath plating, simulating and examining, and accepting. The invention not only can fully repair the plunger of the ship steering engine to meet total repair requirements, but also can not damage original metallographic structures and base materials of the plunger of the ship steering engine without causing welding distortion, can not increase the processing difficulty of the plunger of the ship steering machine and can not influence the subsequent bath chromium plating process of the plunger of the ship steering engine after the repair, and is convenient for field maintenance.
Owner:WUHAN MARINE MACHINERY PLANT
a curved emitter
ActiveCN107144178BBlow achievedImprove shooting accuracyAmmunition projectilesProjectilesThermal insulationEngineering
The invention provides a corner-turning emitter. The corner-turning emitter comprises an emitter body and an emitting head, wherein primary power media are arranged in an inner cavity of the emitter body, the emitting head is arranged at the front end of the emitter body, and a thermal insulation layer is arranged between the emitting head and the emitter body; secondary power media and a triggering structure used for receiving a triggering control command to trigger the secondary power media are arranged in the inner cavity of the emitter body; at least one ejection channel is arranged on the emitting head in the circumferential direction; one end of the ejection channel communicates with the secondary power media, and the other end of the ejection channel penetrates to an ejection channel outside the side face of the emitting head. The problem of striking precision lowering caused by the fact that an emitter is easily obscured by a shelter in the prior art is solved.
Owner:威海高新园区运营管理有限公司
Method for on-line identifying small packaged hot connecting and disconnecting module
InactiveCN1889401BRealize online identificationNo reduction in reliabilityTransmission monitoringLine-transmission monitoring/testingMonoboardControl unit
Owner:HUAWEI TECH CO LTD
Double groove conjoined angular contact ball bearing
InactiveCN100458365CHigh precisionImprove coaxialityRolling contact bearingsBearing componentsBall bearingSpherical bearing
The invention provides a double-groove siamesed edge-contact spherical bearing, comprising an outer bearing ring, two arrays of bearing beads, two inner bearing rings, two support stands, an inner ring bushing, and a regulation gasket. Both ends of the outer bearing ring are respectively provided with a ring rolling channel corresponding with rolling channels of the two inner bearing rings, and form a contact angle; the inner ring bushing, a shoulder and the regulation gasket lock the inner bearing rings; the invention is assembled by a shaft, a craft gasket and craft screws into a detachable siamesed bearing. The invention adopts siamesed outer bearing rings, which can increase such size and position requirements as concentricity and perpendicularity of the shaft system, and endows the bearing with high precision, thus prolonging the service life of the bearings without increasing the working difficulty. The invention also has the advantages of simple structure, being convenient to be arranged, and adjustable axial preload and so on.
Owner:CHONGQING HUAYU ELECTRIC GRP
Engine cylinder block and cylinder block oil-gas separation assembly
InactiveCN108757202AReduced risk of icingIncrease production costCylinder headsCylindersEngineeringCrankcase
The invention relates to the field of automobile accessories, in particular to an engine cylinder block and a cylinder block oil-gas separation assembly. The engine cylinder block is provided with anoil-gas separation installation cavity, and the oil-gas separation installation cavity is used for allowing an oil-gas separator to be installed inside. The cylinder block oil-gas separation assemblycomprises the oil-gas separator and the engine cylinder block, the oil-gas separation installation cavity is formed in the engine cylinder block, the oil-gas separator is located in the oil-gas separation installation cavity and is connected with an engine, an oil-gas separation channel is formed in the oil-gas separator, and one end of the oil-gas separator channel is connected with an engine crankcase. According to the provided engine cylinder block and the cylinder block oil-gas separation assembly, an oil-gas mixture can quickly enter the oil-gas separator, so that the freezing risk is reduced, and the machining difficulty of an engine cylinder cover can be further reduced.
Owner:CHONGQING SOKON IND GRP CO LTD
Method and device for removing salt and pepper noise
InactiveCN102479383BNo lossDoes not increase processing difficultyImage enhancementPattern recognitionMinutiae
The invention discloses a method for removing salt and pepper noise. The method comprises the following steps: carrying median filtering on an input noise image; differentiating a median filtering result and the input noise image and determining noise candidate points based on the differentiating result; carrying out edge detection on the median filtering result to obtain edge minutiae; eliminating the edge minutiae with differential absolute values less than a first threshold value in the noise candidate points, thus obtaining a real noise point; and carrying out local median filtering on the real noise point, thus forming a de-noised image subjected to salt and pepper noise removal. Correspondingly, the invention also provides a device for removing the salt and pepper noise. The device comprises a noise candidate point acquiring module, an edge minutia acquiring module, a real noise point acquiring module and a local median filtering module.
Owner:SHANGHAI ISVISION INTELLIGENT RECOGNITION TECH
A filter aid for vibrating slag filtration of edible oil processing degreasing materials
ActiveCN107096299BImprove filtering effectImprove filtration efficiencyFiltration separationFiberPolyethylene oxide
The invention discloses a filtering aid for vibrating, slagging and filtering oil materials in edible oil processing and relates to the technical field of edible oil processing. The filtering aid is prepared from the following raw materials in parts by weight: 10-15 parts of microcrystalline cellulose, 5-10 parts of modified polyvinylpolypyrrolidone, 3-5 parts of cinerite, 2-3 parts of polyethylene oxide, 2-3 parts of lotus leaf powder, 2-3 parts of allyl glycidyl ether, 1-2 parts of polyvinyl alcohol resin, 1-2 parts of sepiolite fiber, 1-2 parts of diallyl dimethyl ammonium chloride, 0.5-1 part of tributyl citrate, 0.5-1 part of sodium gluconate and 0.5-1 part of nanometer titanium dioxide. The filtering aid disclosed by the invention can be used for obviously increasing the filtering efficiency of a vibrating slagging filter and prolonging the service life of a filter screen; the difficulty in treating the discharged wastewater is not increased; the filtering aid is mixed with the filtering residue and is removed by filtration.
Owner:安徽家壹味食品有限公司
Corner-turning emitter
ActiveCN107144178ABlow achievedImprove shooting accuracyAmmunition projectilesProjectilesThermal insulationEngineering
The invention provides a corner-turning emitter. The corner-turning emitter comprises an emitter body and an emitting head, wherein primary power media are arranged in an inner cavity of the emitter body, the emitting head is arranged at the front end of the emitter body, and a thermal insulation layer is arranged between the emitting head and the emitter body; secondary power media and a triggering structure used for receiving a triggering control command to trigger the secondary power media are arranged in the inner cavity of the emitter body; at least one ejection channel is arranged on the emitting head in the circumferential direction; one end of the ejection channel communicates with the secondary power media, and the other end of the ejection channel penetrates to an ejection channel outside the side face of the emitting head. The problem of striking precision lowering caused by the fact that an emitter is easily obscured by a shelter in the prior art is solved.
Owner:威海高新园区运营管理有限公司
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