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57results about How to "Save material consumption" patented technology

System for refreshing software of vehicular electronic control module and method thereof

The invention discloses a system for refreshing software of a vehicular electronic control module, comprising a management end sub-system for storing an information bank and refreshed calibration software related to the operation for refreshing the software of the vehicular electronic control module and providing required information in the refreshed calibration software and / or the information bank according to user requirements, and a user end sub-system connected with the management end sub-system through a network and used for uploading the user requirements to the management end sub-system so as to obtain the required information in the refreshed calibration software and / or the information bank and downloading the refreshed calibration software into the vehicular electronic control module. Correspondingly, the invention further discloses a method for refreshing the software of the vehicular electronic control module. By means of the invention, the problems, such as refreshed software updating, user permission validation and refreshing test result feedback and the like, requiring a specific medium, can be solved based on network more conveniently and effectively, thereby gaining remarkable process in the aspects of development cost, security, rapid response, integration and the like.
Owner:SAIC GENERAL MOTORS +1

Treatment method of high-concentration organic wastewater

The invention discloses a treatment method of high-concentration organic wastewater. The method has a favorable treatment effect on high-concentration organic wastewater of which the COD (Chemical Oxygen Demand) concentration is larger than 50000mg / L and the chromaticity is larger than 10000 times. The hardly degradable substances in the treated wastewater can be degraded, so that the biodegradability of the treated wastewater is improved and the treated wastewater reaches the biochemical treatment requirement. The treatment method smartly combines ultrasonic splitting, micro-electrolytic decomposition and high-grade oxidation, and the problem that the high-concentration organic wastewater which has high COD and large toxicity and is difficulty biochemically degraded is solved.
Owner:苏州森荣环保处置有限公司

Treatment process for raw material of cigar

A technology for processing the raw material of cigar includes moistening tobacco leaves and high-temp and high-humidity fermenting at 35-50 deg.C and under 65-80% in relative humidity for 7-15 days. Its advantages are short period and high quality of product.
Owner:CHINA TOBACCO SHANDONG IND

Rice-hulling and rice-milling combined machine and sample preparation method

The invention discloses a rice-hulling and rice-milling combined machine and a sample preparation method utilizing the rice-hulling and rice-milling combined machine. The rice-hulling and rice-milling combined machine comprises a rice hulling machine (20) and a rice milling machine (30) which is positioned below the rice hulling machine (20) and is connected with the rice hulling machine (20) through a rice-hull separation channel (40); a first brown rice outlet (41) and a second brown rice outlet (42) are arranged at the lower end of the rice-hull separation channel (40), a rice and hull outlet (43) is arranged at the other end of the rice-hull separation channel (40) and is connected with an air suction device, the first brown rice outlet (41) is connected with the rice milling machine (30), the rice-hull separation channel (40) is provided with a distribution mechanism (60), and the distribution mechanism (60) is used for opening one of the first brown rice outlet (41) and the second brown rice outlet (42) and closing the other one. By utilizing the rice-hulling and rice-milling combined machine, the switching among various process steps can be conveniently realized, and brown rice or rice samples can be conveniently prepared according to the quality detection needs.
Owner:BEIJING DONGFU JIUHENG INSTR TECH

Exterior wall external insulation composite wall provided with support

The invention discloses an exterior wall external insulation composite wall provided with a support, and relates to a thermal insulation composite wall of a building. The invention aims at solving the problem of inconvenience for construction of a concrete support cantilever beam of a public exterior wall external insulation composite wall provided with the support. The exterior wall external insulation composite wall is characterized in that the inner end of a steel truss cantilever beam and a building main body structure or a substrate wall are fixed, an insulating layer is located outside the substrate wall, and a reinforcing steel bar is arranged outside the insulating layer; the reinforcing steel bar is connected with the steel truss cantilever beam, and a metal net and the reinforcing steel rib are fixed; the reinforcing steel bar and the metal net are located in a protecting layer, and the protecting layer is connected with the insulating layer; and the reinforcing steel bar and the building main body structure are fixed by internally and externally pulled steel wires. According to the invention, the steel truss cantilever beam can be arranged in the concrete through embedding a steel plate or planting the bar, a concrete template is not destroyed, installation labor and consumption of welding materials can be saved, the construction is convenient, the cost of construction is reduced, the energy-saving thermal insulation effect of the wall is increased, and obstacles of applications of the conventional building energy efficiency reconstruction projects are cleared.
Owner:吴淑环

Duel cold sources airplane ground energy-conserving and environment-protective air-conditioning system

The invention relates to a dual cold sources airplane ground energy-conserving and environment-protective air-conditioning system, which solves the problems of high energy consumption, parking apron occupation and high operating cost in prior airplane ground air-conditioning unit. The system consists of a first air processing system and a second air processing system in compression refrigeration type; wherein, the first air processing system takes water supplied by a central air conditioner as heat transferring medium; the second air processing system in compression refrigeration type takes refrigerant as heat transferring medium. In the first processing system, a water-through heat exchanger (7) is injected with water from the central air conditioner of airport lounges by a pump (8) to carry out heat exchange with air from airport lounges or gallery bridge channel; the cooled air is transmitted into an engine room parked in the airport driven by a centrifugal fan (6) through a evaporator, an air outlet hood (1) and a underground passage; water after heat exchange by the water-through heat exchanger (7) is directly or through a double pipes heat exchanger to discharge into a water-storing system of the central air conditioner in airport lounges. The first processing system and the second processing system are located in the airport lounges. An underground passage system comprises an air supply duct with an insulating layer (22) buried under landing field outdoor, one end of the air supply duct is connected with the air supply tube (1), and the other end thereof is connected with a tube (23).
Owner:四川华盛强航空地面设备有限公司

Automatic ceramic tile detector

The invention discloses an automatic ceramic tile detector. The detector comprises a worktable, a tile clamping mechanism, a distance adjusting mechanism, a tile delivering mechanism and a detection mechanism, wherein the tile delivering mechanism is arranged on the worktable; the tile clamping mechanism is arranged at the head end of the tile delivering mechanism; the distance adjusting mechanism is arranged below the tile delivering structure; and the detection mechanism is positioned above the tile delivering mechanism and is fixedly connected with the worktable. The ceramic tile automatic detector is characterized in that: the detection mechanism consists of a shell and a sensor arranged in the shell; the sensor comprises an outline dimension sensor for detecting the outline dimension of a ceramic tile and a planeness sensor for detecting the planeness of the ceramic tile; the outline dimension sensor is arranged at the upper and lower edges along a ceramic tile delivering direction; and the planeness sensor is connected in series above the upper surface of the ceramic tile by a cross rod of the shell. The automatic ceramic tile detector not only can detect the size and surface quality of the ceramic tile in a fully automatic way, but also has the characteristics of high accuracy, high efficiency and simple structure and saves a large amount of time, labor power, financial power and physical resources.
Owner:FOSHAN SANSHUI YINGJIE PRECISION MACHINERY

Rotary structure for display base docks

A rotary structure for display base docks includes a bracing seat which has a confining zone and an opening on the confining zone, a rotary dock on one end of the opening that has a coupling portion corresponding to the opening and a confining plate on the other end of the opening. The confining plate has an anchor member to be fastened to the coupling portion. The confining plate is in contact with the rim of the opening to form a confining relationship between the rotary dock and the bracing seat. The coupling portion generates a swivel displacement relative to the bracing seat when the rotary dock is subject to a force. The invention contains fewer elements, can be fabricated and assembled easier, and is steadier.
Owner:TAIWAN THICK FILM IND

Switching pattern AC induction motor

Both the stator core and the rotor core of a switching pattern AC induction motor are fabricated by soft magnetic material laminations or ferrite material, etc., both of which have corresponding frequency characteristic. The rotor is a squirrel cage rotor. Switching pattern excitation is adopted in the stator pole, of which the excitation voltage is sine wave pulse width modulated or sine wave pulse amplitude modulated within the frequency range of voice and ultrasonic. Under the condition of the same power output, the present motor reduces its size and mass to a fraction of or tenth of that of an ordinary one. Meanwhile, it reduces the cost of manufacture. It realizes stepless speed regulating from zero to several thousand rpm while keeping well mechanical characteristic performance.
Owner:HUANG YOUGUO +1

Method for carrying out CT scanning analysis processing upon rock core sample

The invention provides a method for carrying out CT scanning analysis processing upon a rock core sample. The method belongs to the field of rock physical studies. According to the method, rock core sample mineral components and contents are identified first; the rock core sample is subjected to CT scanning, such that a rock core sample three-dimensional grayscale image is obtained; with the mineral components and contents of the rock core sample, rock core sample internal density value distribution is obtained; with the density value distribution, rock core sample internal mineral phase distribution is obtained; according to intrinsic acoustic velocity values of the mineral phases, rock core sample internal acoustic velocity value distribution is obtained; and according to the obtained acoustic velocity value distribution, rock core sample acoustic velocity value is obtained, and is used for researching anisotropic properties of the rock core. With the method provided by the invention, rock core is not damaged, and rock core acoustic velocity value is obtained, such that rock core reusability is improved, coring cost is saved, and rock core processing manpower and material consumptions are saved.
Owner:CHINA PETROLEUM & CHEM CORP +1

Edge banding machine

ActiveUS10124536B1Inconsistency in speedSave material consumptionDrive shaftEngineering
An edge banding machine having a platform, a glue applicator and, an edge band transmission mechanism for affixing an edge band to a workpiece is disclosed. The glue applicator is mounted at the platform, including a glue-applying shaft. The edge band transmission mechanism is mounted at the platform adjacent to the glue applicator, including an edge band transferring shaft disposed in parallel to the glue-applying shaft and a motor connected with the edge band transferring shaft for driving the edge band transferring shaft to rotate. The edge band transferring shaft is connected with the glue-applying shaft so that the edge band transferring shaft and the glue-applying shaft can be synchronously rotated.
Owner:OAV EQUIP & TOOLS

Anti-complex scene interference manhole cover category automatic detection method and system

The invention belongs to the technical field of deep learning and computer smart city monitoring, and discloses an anti-complex scene interference manhole cover category automatic detection method, which comprises the steps of S1, performing image collection and classification; S2, carrying out image annotation; S3, carrying out data expansion; S4, adopting a ResNet-101 model as a network skeleton, adding a series of convolution layers, pooling layers and full connection layers from large to small on the ResNet-101 model for predicting category information and position information of a manholecover in a picture, and constructing an R-FCN manhole cover detection model; S5, obtaining an optimal R-FCN manhole cover detection model through iterative training; and S6, identifying the picture or the video to obtain the category and position information of the manhole cover in the picture or the video. According to the invention, the damage of the manhole cover can be detected more efficiently by using the method based on deep learning. The invention further provides an anti-complex scene interference manhole cover category automatic detection system.
Owner:SOUTH CHINA UNIV OF TECH

Method and system for recycling carbon dioxide from biomass gasification

InactiveUS20150141536A1High material conversionNo oxygen consumptionGasifier feeding meansCombustible gas catalytic treatmentSyngasProduct gas
A method for recycling carbon dioxide from biomass gasification. The method includes: 1) employing carbon dioxide as a gasifying agent, allowing the carbon dioxide to gasify biomass to yield syngas; 2) cooling the syngas; 3) introduced cooled syngas to a cyclone separator and a gas scrubber for dust removal and purification; 4) allowing purified syngas in 3) to react with the vapor to modify a ratio of hydrogen to carbon monoxide of the syngas; 5) desulfurizing modified syngas to remove H2S and COS therein; 6) decarburizing desulfurized syngas to separate carbon dioxide therein; 7) introducing desulfurized and decarburized syngas to a synthesizing tower to yield oil products and exhaust gas including carbon dioxide; 8) decarburizing the exhaust gas including carbon dioxide and separating the carbon dioxide; and 9) introducing the carbon dioxide separated in 6) and 8) to 1) as the gasifying agent for gasification.
Owner:WUHAN KAIDI ENG TECH RES INST CO LTD

Equipment rotation speed and vibration data acquisition methods, devices and acquisition system

The invention discloses an equipment rotation speed acquisition method, an equipment vibration data acquisition method, an equipment rotation speed acquisition device, an equipment vibration data acquisition device and an acquisition system. The equipment rotation speed acquisition device includes a rotation speed sensor and a control unit, wherein the rotation speed sensor is used for acquiring the rotation speed of equipment, and the control unit comprises a timer which is suitable for providing timing for rotation speed data acquisition, and a rotation speed matching controller which is suitable for determining vibration data acquisition strategies of the equipment in a first rotation speed matching period according to a rotation speed level where rotation speed is located, and transmitting an instruction containing the vibration data acquisition strategies to at least one equipment vibration data acquisition device.
Owner:ANHUI RONDS SCI & TECH INC CO

Method and system for drawing cell service coverage map based on mobile communication signaling acquisition

ActiveCN106535210AAvoid complicated steps such as calibrationSave human effortNetwork planningLongitudeService coverage
The invention discloses a method and system for drawing cell service coverage maps based on mobile communication signaling acquisition. The method comprises the following steps: acquiring signaling messages on each line of a mobile communication network, wherein the signaling information includes latitude and longitude information or cell information; analyzing the latitude and longitude information, the cell information, device IP and tunnel identifiers in each signaling message; implementing combination and association on the cell information as well as the latitude and longitude information which correspond to the same device IP and tunnel identifier respectively; and drawing a cell service coverage area map in accordance with the cell information as well as the latitude and longitude information which are subjected to combination and association. The method and system disclosed by the invention are combined with deep packet identification technologies, communication technologies, geography and other integrated technologies, can be applied to the analysis on coverage areas of base station cells, do not need manual tests nor evaluation and demonstration on the applicability of propagation models, and can also avoid model calibration and other complicated steps.
Owner:GUANGDONG EASTONE CENTURY TECHNOLOGY CO LTD

Water-jet match board manufacturing method and water-jet scalpel match paving construction method

The invention discloses a water-jet scalpel match board manufacturing method and a water-jet scalpel match paving construction method, belongs to the technical field of building decoration and construction, and aims to solve the problem that water-jet scalpel match construction difficulty for the specially-shaped metal inlaid effect is great. According to the key point of the technical scheme, thewater-jet scalpel match board manufacturing method comprises the following steps of: manufacturing blocks, manufacturing inlaid parts, jointing and bonding, and reinforcing match boards; and the water-jet scalpel match paving construction method comprises the following steps of: base layer leveling, appearance checking, paving and curing. After being compounded, a metal plate / artificial stone plate is cut by a water jet scalpel to manufacture the inlaid parts which are jointed with the blocks to manufacture the water-jet scalpel match boards, so that manufacturing is not limited by design shape, and therefore, efficient combination, in decorative engineering, of metal and stone products is realized, and the constraint of means of artistic expression of a designer in a conventional processis avoided. The method disclosed by the invention is adopted to perform water-jet scalpel match paving construction, has the advantages of being simple in process, low in construction difficulty, high in construction efficiency and good in quality, and can reduce the design effect to the greatest extent.
Owner:SUZHOU GOLD MANTIS EXHIBITION DESIGN ENG

Knotting method for integral vacuum circulating degasification furnace vacuum chamber

The invention relates to a knotting method of a vacuum chamber of an integral vacuum circulating degasser, which knots refractory casting materials between a heat preservation layer and a working layer and forms a knotting auxiliary working layer of the integral vacuum chamber. Firstly, a heat preservation board is stuck on the body structure of the vacuum chamber through daub to form a heat insulating layer; secondly, vertical bricks of high alumina bricks are closely clung to the heat insulating layer so as to lay the heat preservation layer; at 50-80 mm away from the heat preservation layer, horizontal bricks of magnesia-chrome bricks are used for laying the working layer; Magnesia refractory casting materials are filled in a gap between the heat preservation layer and the working layer while in laying and are simultaneously vibrated and tamped so as to lead the heat preservation layer and the working layer to form an integral knotting liner. Since the integral knotting is adopted, the inspiration of a bottom groove body structure part of the vacuum chamber or bricklaying over standard are avoided, and the service life of the vacuum chamber is prolonged by more than one time; except for the working layer, the vacuum chamber can be used repeatedly without replacing the bottom groove, thus saving manpower and materials and reducing the application cost.
Owner:ANGANG STEEL CO LTD

Support for a large vertical axis wind turbine

A support for a large vertical axis wind turbine including a tower frame, a platform, a vertical central axis, and a vertical axis windmill including a plurality of blades and supporting arms. The platform is disposed on the tower frame for installing and fixing a generator. The vertical central axis and the vertical axis windmill are supported by the tower frame. The tower frame is a truss structure and includes at least three sub-tower frames which are in parallel with each other and form a regular polygon from top view. The sub-tower frames are a hollow truss structure. The ratio of a diameter of the vertical axis windmill to a distance between two adjacent sub-tower frames is between 2.5 and 6. The ratio of the diameter of the vertical axis windmill to a height of the tower frame is between 3 and 0.5.
Owner:YAN QIANG

Well lid monitoring method and device, electronic equipment and storage medium

The invention provides a well lid monitoring method and device, electronic equipment and a storage medium, and belongs to the technical field of intelligent city management. The well lid monitoring method comprises the steps that monitoring images of a well lid are obtained from an urban video monitoring system regularly; intercepting a current image of the well lid from the monitoring image according to pre-stored vertex coordinates of the rectangular area; comparing the current image with a previous image, wherein the previous image is a manhole cover image acquired when the method is executed last time; if the comparison result is different, the current image is compared with a preset image, and the preset image is a pre-stored image of the well lid in a normal state; if the comparison result still has difference, analyzing the current state of the well lid according to the current image; and if the current state of the well lid is missing or damaged, an alarm signal is sent out. According to the invention, the urban video monitoring system is utilized to obtain the monitoring image containing the well lid, and the real-time monitoring of the well lid can be realized through the analysis of the image.
Owner:河南橡树智能科技有限公司

Method for treating sewage by double-membrane system of algae bio-membrane and plate micro-filtration membrane

The invention discloses a method for treating sewage by a double-membrane system of an algae bio-membrane and a plate micro-filtration membrane. The method contains two stages: a preceding stage and alater stage. In the preceding stage, the biological membrane method is adopted: in an algae bio-membrane reactor, a carrier adhesion method is adopted for immobilized culture of algae; and after a stable algae bio-membrane is formed, the algae bio-membrane reacts with domestic sewage added therein. In the later stage, a plate micro-filtration membrane module is added to filter out a few algae andother impurities mixed in an effluent obtained after treatment of the algae bio-membrane, and the deposited algae mud is recycled into the algae bio-membrane reactor to realize reutilization. By themethod of the invention, heavy metal and nitrogen and phosphorus can be effectively removed from domestic sewage and COD is reduced; and service life of the algae bio-membrane can be prolonged and effluent quality also can be improved.
Owner:GUANGXI UNIV

Solvent composition for extracting distillation separation C5 and use thereof

The invention provides a solvent composition for extracting, rectifying and separating C5 and the application thereof. The composition is composed of the following raw materials according to the weight parts: 95-100 parts of dimethyl formamide (DMF) and 0.1-5 parts of inorganic sodium salt; the solvent composition for extracting, rectifying and separating C5 is applied to extracting, rectifying and separating C5 to produce isoprene. The solvent composition is composed of the dimethyl formamide (DMF) and the inorganic sodium salt which are mixed according to a certain proportion, thus achieving the purpose that the relative volatility is improved among C5 ingredients; by adopting the technical proposal, the producing capacity of a C5 finely classifying device is obviously improved, the production cost can be reduced and energy and material consumption is saved; under the same working condition and with the same number of column plates, by adopting the technical proposal, the solvent ratio is greatly reduced, the C5 charging amount and isoprene finished goods are obviously improved; meanwhile, the used steam amount is reduced.
Owner:PUYANG HENGRUN PETROCHEM

Green and efficient ship exhaust gas multi-pollutant purification system and intelligent regulation and control method

The invention relates to a green and efficient ship exhaust gas multi-pollutant removal and purification system and an intelligent regulation and control method, and the system comprises a device part, a sensing part, a control part and an optimization part. The device part comprises a marine diesel engine, a multi-pollutant detergent preparation device, a multi-pollutant enhanced removal device, a multi-pollutant washing residual liquid integrated purification device and a waste gas exhaust barrel. The sensing part is used for acquiring, preprocessing, integrating, storing and issuing information; the control part is used for adjusting the key manipulated variable by setting real-time operation conditions and optimization parameters, and ensuring that the system stably reaches the standard and is subjected to optimization adjustment; the optimization part comprises a calculation platform constructed by a pollutant generation concentration and outlet pollutant concentration prediction model, and realizes intelligent switching of desulfurization operation modes under frequent change of a navigation environment and frequent fluctuation of a load, and accurate adjustment and optimization regulation and control of system operation key parameters. Energy is saved, consumption is reduced, emission stability is improved, and environmental pollutants and resource consumption are reduced.
Owner:浙江程润云环境科技有限公司

Tool type chute and construction method

The invention discloses a tool type chute and a construction method, and belongs to the field of building construction. The tool type chute is mounted on a foundation pit enclosure structure; a support and a trestle in the foundation pit enclosure structure are used as support points of the tool type chute; and a trestle plate is provided with a trestle hole for lifting the chute. The tool type chute comprises the chute, an unloading hopper, a movable unloading hopper and a small chute. The chute is fixed in the corresponding support place through channel steel and a hoop, and is provided withan inclined angle. The chute is formed by welding two iron pipes; and an included angle is formed between the two iron pipes. The unloading hopper is arranged in the trestle hole. The movable unloading hopper is arranged in a chute lower port. The small chute is arranged in the chute lower port, and is freely rotated along with the movable unloading hopper. The tool type chute saves the labor andmaterial consumption needed by rack building, accelerates the construction speed, guarantees the safety in the construction process, widens the casting range, improves the flexibility, reduces the noise pollution, and meets green construction requirements.
Owner:SHANGHAI CONSTR NO 1 GRP

Rooting induction, root promoting and seedling cultivation method of oil palm plantlets

ActiveCN103688858AHair root time is shortHigh hair root synchronizationPlant tissue cultureHorticulture methodsPlantletCulture mediums
The invention discloses a rooting induction, root promoting and seedling cultivation method of oil palm plantlets. The method comprises the following steps: carrying out conventional treatment on rootless plantlets of oil palm under a sterile condition, and then transferring to a rooting induction culture medium to cultivate; inducing a plant to form a root, and then transferring to a root promoting and seedling cultivation culture medium to carry out root promoting and seedling cultivation, so as to obtain a complete plant of the oil palm plantlets with a developed robust root. A set of rooting induction, root promoting and seedling cultivation technology of the oil palm plantlets, which is strong in maneuverability, and short in rooting and seedling cycle, and saves the cost is built by using different culture media and cultivation conditions, so as to obtain the developed robust root. The rooting induction, root promoting and seedling cultivation method can be applied to large-scale efficient production of the oil palm plantlets, a technical support is provided for production of high-quality oil palm plantlets, and development of high-efficiency commercialized production of the oil palm plantlets is facilitated. Therefore, the rooting induction, root promoting and seedling cultivation method has practical significance.
Owner:RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI

Mixed solvent based on ionic liquid and used for C5 separation

The invention discloses a mixed solvent based on an ionic liquid and used for C5 separation. The mixed solvent contains a main solvent and the ionic liquid at a weight ratio of (79-99):(30-1), wherein the main solvent is one of acetonitrile, dimethyl formamide and N-methyl-pyrrolidone; and the ionic liquid is one of the following substances: an imidazole ionic liquid in which positive ions are imidazole positive ions and negative ions are fluorophosphate negative ions or halogen negative ions, a bi-phosphonium ionic liquid, an alkamine ionic liquid and a quaternary ammonium ionic liquid. By utilizing the mixed solvent disclosed by the invention to extract, rectify and separate C5 components, the relative volatility of the C5 components can be improved, the solvent ratio can be greatly reduced, the number of extracting and rectifying column plates can be reduced, the production cost can be lowered, and the material consumption and energy consumption can be saved.
Owner:CHINA PETROLEUM & CHEM CORP +1

Interlocking signal equipment simulation test system based on-site relay deployment

The invention discloses an interlocking signal equipment simulation test system based on-site relay deployment. Test verification equipment which replaces a trackside equipment state with a relay state is adopted; an engineering field state is restored to the maximum extent; interlocking software logic and driving and collecting hardware can be verified at the same time; and the problem that a laboratory test is incomplete is solved. According to the technical scheme, the system comprises an interlocking system, a driving and collecting controller and a relay combination frame; the interlocking system, the driving and collecting controller and the relay combination frame are electrically connected in pairs; the driving and collecting controller is used for driving and collecting a relay inthe relay combination frame; and the driving and collecting controller carries out trackside equipment fault injection by changing the state of the relay and feeds back the collected state of the relay to the interlocking system.
Owner:HUNAN CRRC TIMES SIGNAL & COMM CO LTD

A method for reducing a sodium salt content of an alkaline-solution-containing crude alcohol ketone material

The invention discloses a method for reducing a sodium salt content of an alkaline-solution-containing crude alcohol ketone material. According to the method, a desalting device is utilized to desaltthe crude alcohol ketone material. The desalting device includes a mixing tank, a two-phase separator and a salt extraction column which are connected in order through pipelines. After the crude alcohol ketone material is fully mixed in the mixing tank, the crude alcohol ketone material is pumped into the two-phase separator to allow an alcohol ketone organic phase and an alkaline solution aqueousphase to be separated, the alkaline solution aqueous phase is discharged from the bottom of the two-phase separator, the alcohol ketone organic phase is fed into the lower part of the salt extractioncolumn from the top of the two-phase separator, and is brought into countercurrent contact with process water entering the salt extraction column from the upper part of the salt extraction column toachieve water washing, an obtained alcohol ketone material is discharged from the top of the salt extraction column, and a water washing liquid is discharged from the bottom of the salt extraction column. The sodium salt content of the crude alcohol ketone material can be reduced to 10 mg / kg or below by the method, 0.2-2 m<3> / h of the process water can be saved, the water retention volume in equipments is reduced, and energy consumption of equipment is reduced.
Owner:CHINA PETROLEUM & CHEM CORP +1
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