256results about How to "Good technical effect" patented technology

The invention relates to an epoxypropane purifying method. The problems of low epoxypropane yield and large extractant loss due to the entrainment of epoxypropane and an extractant in the material flow from the top of an extraction distillation tower in the prior art are mainly solved. The method comprises the following steps: 1, a crude epoxypropane solution enters the extraction distillation tower to obtain a material flow 2 at the tower top and a material flow 3 at the tower bottom; 2, the material flow 3 enters a solvent recovery tower to obtain an epoxypropane product at the tower top and an extractant flow 5 at the tower bottom, and the flow 5 is divided into a flow 6 and a flow 7; 3, the material flow 2 is condensed, and the condensed flow 2 enters a phase splitter and undergoes oil and water separation to obtain an oil layer 8 and a water layer 9; 4, the oil layer 8 and the flow 6 return to the top of the extraction distillation tower; and 5, the flow 7 enters the lower portion of a water washing tower and the water layer 9 enters the upper portion of the water washing tower to obtain wastewater flow at the tower bottom and a flow 11 at the tower top, and the flow 11 enters the phase splitter. The method well solves the problems and can be used in the industrial production of epoxypropane purification.

The invention relates to a catalyst for preparation of polyoxymethylene dimethyl ether, and mainly solves the problems of low activity and selectivity of catalysts in a polyoxymethylene dimethyl ether synthesis process adopting methanol, methylal and paraformaldehyde as the reaction raw materials in the prior art. According to a technical scheme, the catalyst for preparation of polyoxymethylene dimethyl ether is metal ion modified sulfonic acid type polystyrene cation exchange resin, the sulfonic acid type polystyrene cation exchange resin includes a crosslinked polystyrene skeleton and a sulfonic acid group, and the metal includes at least one of IB group and IIA group elements. The catalyst can be used for the industrial production of polyoxymethylene dimethyl ether.

The invention relates to a method and a system for refining crude brine. The method comprises the following steps of: performing pre-reaction; pressurizing and dissolving gas; pretreating; performing post reaction; filtering by using a membrane; and filtering off residual slag particles by using a membrane filter to obtain the refined brine. By the method and the system for refining crude brine, under the condition of not introducing new impurities, various metal impurity ions are efficiently flocculated and precipitated, so that problems of great mineral salt impurity fluctuation and overproof Fe and Al ions are solved, the high quality of the finished brine product and the high-efficiency and normal operation of subsequent ion-exchange membrane electrolysis can be ensured, and the aim that mineral salt replaces sea salt to serve as chlor-alkali electrolysis raw salt is fulfilled; moreover, brine sludge emission and treatment cost can be obviously reduced, and the method and the system have good emission reduction effect and good environment-friendly property.

The invention relates to a sea boat smoke exhaust washing device and a washing method. The device comprises a shell, a washing layer which is arranged at the upper part in the shell, a liquid collecting pool which is arranged at the lower part in the shell, a shell internal flue gas guide-in port arranged between the washing layer and the liquid collecting pool, a washing seawater inlet which is arranged above the washing layer and the cooler of the flue gas passage which is arranged between the shell external flue gas inlet and the washing layer; the method comprises the steps such as guiding in the flue gas, cooling and injecting the washing seawater and washing, etc. The invention provides the high-effect smoke exhaust absorption washing device and method which are suitable for high smoke temperature and narrow space of the sea boat, and has the advantages of high exhaust reduction efficiency, low running energy consumption, small volume and long service life.

The present invention provides an organosilicone porous zeolite, synthetic method and its application, mainly resolves the problem of organosilicone-free in the porous zeolite structure by the present technology, provides a porous zeolite containing organosilicone in structure. It includes constitute of following mol relation: (1/n)Al2O3:SiO2:(m/n)R, n=10-350, m=0.02-50, R is at least one of alkyl, alkanes and alkenes or phenyl; wherein Si29NMR between -80-+50ppm containing at least a Si29 NMR peak, X-ray diffraction pattern computer has d-distance max in 13.2+/-0.2, 12.3+/-0.1, 10.9+/-0.3, 9.1+/-0.3, 6.8+/-0.2, 6.1+/-0.2, 5.6+/-0.2, 4.4+/-0.3, 4.0+/-0.3, 3.6+/-0.2, 3.4+/-0.1 and 3.3+/-0.2. The porous zeolite may catalyst component or absorption agent for organic compound conversion.

The invention discloses a recognizable mark-based parking position detecting method. The method comprises the following steps: (1) setting a recognizable mark uniquely representing the parking position in each parking region, wherein the recognizable mark is characters or patterns, when the parking position is occupied, the mark can be completely covered by a vehicle rather than being acquired; (2) acquiring a image in the parking position region, and converting the image into a digital image; (3) searching and identifying the recognizable mark; (4) considering the parking position is in spare sate when the recognizable mark in the corresponding parking position is detected from the digital image, otherwise considering the parking position is occupied; and (5) outputting the parking position information of the spare parking position. By using the recognizable mark-based parking position detecting method, automatic acquisition, panoramic scanning, automatic focusing, spare parking position automatic positioning acquisition and other complicated functions on the image in the whole or partial region of the parking lot can be realized, and the method has excellent technical effect relative to the conventional detecting method.

The invention discloses a partially-chilled dry coal powder or coal water slurry gasification system. The partially-chilled dry coal powder or coal water slurry gasification system is characterized by comprising a gasifier, a heat recovery apparatus, a dust removal device, a washing component and a grey water treating unit which are sequentially connected through pipelines, wherein the gasifier comprises a hearth, a chilling apparatus coaxially arranged at the top part of the hearth and a synthetic gas delivery part connected with the output end of the chilling apparatus; the hearth is provided with at least one nozzle; the synthetic gas delivery part is provided with an exhaust port; the heat recovery apparatus is connected with the exhaust port of the synthetic gas delivery part, and the output end of the heat recovery apparatus is connected with the input end of the dust removal device; the washing component comprises a washing tower; the output end of the dust removal device is connected with the input end of the washing tower through a pipeline; an output port of the washing tower is used for outputting crude synthetic gas, and an outlet at the bottom of the washing tower is connected with an inlet of the grey water treating unit through a pipeline; and the grey water treating unit is used for outputting waste water. The invention also discloses a gasification method. The invention has the advantages of improved gasification efficiency and high energy utilization rate.

The invention relates to a method for separating p-xylene from mixed xylene, and mainly solves the problem of high energy consumption during the separation in the prior art. The method comprises the following steps of: crystallizing the mixed xylene in a crystallizer and allowing the crystal magma to flow out from the bottom of the crystallizer; separating the crystal magma by a solid-liquid separator to obtain p-xylene crystals and crystallized and filtered mother liquor; melting the p-xylene crystals after heat exchange, wherein 5 to 30 weight percent of the p-xylene is returned to the solid-liquid separator to serve as washing solution, and 70 to 95 weight percent of the p-xylene serving as a product enter a product can; the crystallized and filtered mother liquor is divided into two streams, of which 5 to 95 weight percent of the crystallized and filtered mother liquor of the first stream is returned to the crystallizer, and 5 to 95 weight percent of the crystallized and filtered mother liquor of the second stream is fed into a mother liquor can after exchanging heat with the mixed xylene; clarifying a part of crystal magma in the crystallizer to obtain crystallized clear mother liquor; allowing the crystallized clear mother liquor to flow out of the side face of the crystallizer; and packaging the crystallized clear mother liquor in the mother liquor can after exchanging heat with the mixed xylene. The technical scheme for separating the p-xylene from the mixed xylene solves the problem well and can be used in the industrial production of the p-xylene.

The invention provides a method for segmenting a moving target image, belonging to the technical field of a computer of image processing; the method comprises the following steps of: adopting a minimum median variance method to obtain a background image; adopting an indirect difference function to obtain a difference image; step 3, selecting a segmentation threshold T and carrying out binarization for the difference image so as to obtaining a binarization foreground image; updating the ground image dynamically according to the updated image, the current background image and the binarization foreground image; using a morphological filtering to eliminate the noise in the binary image and fill defects in the moving target image; the invention can provide help for effective use of a monitoring system and reliable evaluation of monitoring effect, and can be applied in various public places such as police, fire fighting, customs, ports and stations, etc. widely, thus obtaining considerable social effect and improving public safety service.

The invention discloses a backgrounded conversation realizing method for a mobile phone, comprising the following steps of: (1) when a video conversation is started, acquiring an image or video information as a video background, and setting the part of data to be a base map for a video; (2) acquiring a video image of a mobile phone holder by a camera, and filtering the image with a fuzzy recognition technology to extract pixel data relevant to a person; (3) superposing the base map data with the data relevant to the person to form final data; and (4) transmitting the superposed data to the other end of the video conversation. The method can be used for favorably protecting the privacy of callers and has a better technical effect.

The invention discloses a categorical regression mode based operating condition self-adaptive equipment health degree assessment method. The method includes: acquiring operating state data, operatingcondition information data and design parameter data of each critical component of equipment; processing the operating state data to obtain a state characteristic database, and matching the operatingcondition information data to obtain an operating condition information database; establishing an operating condition recognition model and an operating condition self-adaptive compensation model forstate characteristic data and operating condition parameter data; on the basis of the models, sequentially performing operating condition classification and recognition and regression self-adaptive compensation processing to obtain operating condition desensitized characteristic data; calculating a health degree index of each component on the basis of the operating condition desensitized characteristic data; calculating and assessing integral equipment health degree on the basis of the health degree index of each component; predicting equipment remaining service life on the basis of the integral equipment health degree, the operating condition information data and the design parameter data. The method has advantages that effectiveness in self adaption to multi-operating-condition modes ofequipment, and accuracy in equipment health degree assessment and remaining service life prediction is improved.

The invention discloses a parking berth detection system based on berth mark identification, which is arranged at a parking lot. The parking berth detection system comprises image acquisition units, an image processing unit and a display output unit, wherein each image acquisition unit is arranged on a fixed component and connected with the image processing unit and the display output unit through connecting lines; the image acquisition unit is a video camera or camera; the fixed component is a support column; and the video camera or camera is fixed on the cradle head of the support column. The invention only needs to install video cameras, thereby avoiding installing instruments on each berth, and having no damage on the ground. The invention has favorable economy and space mobility, and can be used in indoor and outdoor parking areas.

The invention discloses a method for remediating heavy metal contaminated soil by utilizing charcoal and a chelating agent to strengthen plant. The method comprises the following steps of: (1) mixing heavy metal tailings substrate with a charcoal base fertilizer to prepare a culture medium; (2) planting plant in the culture medium; and (3) applying the chelating agent into the culture medium 60-75 days after planting the plants. The method is environmentally friendly, is low in cost, is free of secondary pollution, is strong in operability, and can promote fertility and quality improvement of tailings soil while reducing heavy metal contamination.

The invention relates to a catalyst for oxidative dehydrogenation of raw materials containing CO (carbon monoxide) gas, which mainly solves the technical problems in the prior art that the hydrogen removal rate is low, and the loss rate of CO is high. The catalyst comprises a carrier, an active component and an accessory ingredient in percentage by weight: (a) the active component which is selected from at least one of platinum metals, and has the dosage being 0.003-2 percent of the weight of the catalyst in a metering manner of a simple substance; (b) the accessory ingredient which is selected from at least one of Pr, Nd, Cs and Ba, and has the dosage being 0.005-15 percent of the weight of the catalyst in a metering manner of a simple substance; and (c) 84-99.5 percent of carrier, wherein the carrier is selected from a compound type carrier of aluminum oxide and silicon oxide, and the weight ratio of the aluminum oxide to the silicon oxide is 0.01-100:1. According to the technical scheme, the problems are better solved, and the catalyst can be applied in industrial production of oxidative dehydrogenation of raw materials containing the CO gas.

The present invention relates to one kind of ethylene and propylene producing process with high selectivity and high yield. The production process includes the following steps: 1. reaction of oxygen compound material in the first reaction region through contacting with catalyst I to produce the effluent I containing ethylene, propylene and C4 and C4+ hydrocarbons, and separating to obtain the effluent II containing C4 and C4+ hydrocarbons, ethylene product and propylene product; and 2. reaction of the effluent II in the second reaction region through contacting with catalyst II to produce the effluent III containing ethylene, propylene and C4 and C4+ hydrocarbons, and separating the effluent III in a post step. The production process may be applied in industrial production.

The invention discloses a tubular preparation method for continuously producing long-chain alkyl modified silicone oil. The tubular preparation method includes uniformly mixing reactants in a static mixer with one another to obtain materials; feeding the materials into a coil pipe in oil bath at the oil bath temperature of 80-150 DEG C under the control; allowing the materials to flow along the edges of pipelines, simultaneously carrying out hydrosilylation reaction and controlling the reaction degree by the aid of the length of the coil pipe; feeding materials into a buffer kettle and a devolatilization kettle after the reaction is completely carried out, and carrying out devolatilization to obtain the long-chain alkyl modified silicone oil. Compared with kettle type production processes, the tubular preparation method has the advantages that production processes can be simplified, the stability of the long-chain alkyl modified silicone oil which is a product can be greatly improved, and the production cost can be reduced.

The invention discloses a milling cutter with a rotatable face for cutting supper-hard material. A plurality of mounting grooves are arranged at the outer wall of the peripheral of cutter body, and one side of each mounting groove is fixed with a module using fastening screws, and the other side is provided with a wedge block, the bottom of which is connected with the cutter body through a threaded pillar; the module is provided with a step, and a blade is positioned at the step; two contacting surfaces of the wedge block and the cutter body and the blade are all inclined or one of the surfaces is inclined; the wedge block is closely pressed against the blade. Aimming at solving the problem that the existing milling cutter for cutting supper-hard material has unstable structure and is unable to process super-hard material with higher hardness, the invention provides the milling cutter with a rotatable face, which has a stable structure and higher processing hardness and intensity. The milling cutter of the invention has outstanding technical effect, for on one hand, installation stability of blade is improved, and on the other hand, processing hardness and intensity of the cutter are enhanced.

The invention relates to a preparation method of pyridine and 3-picoline by loading ZSM-5 zeolite with metallic oxides selected form cobalt, lead or its mixture as catalyst, reacting the mixture of formaldehyde and acetaldehyde with ammonia in gaseous phase, thus obtaining high yield of pyridine and 3-methyl pyridine.

The invention relates to a domestic water purifier and discloses a reverse osmosis water purifier. The reverse osmosis water purifier comprises a reverse osmosis film filter element (1), the reverse osmosis film filter element (1) is connected with a raw water inlet pipe (11), a concentrated water outlet pipe (12) and a purified water outlet pipe (13), a pressure tank (2) is connected to the purified water outlet pipe (13) through a water storage pipe (21), and the pressure tank (2) is connected with a raw water inlet of the reverse osmosis film filter element (1) through a return pipe (23). Due to the facts that the pressure tan (2) for storing purified water is arranged in the reverse osmosis water purifier and concentrated water on the surface of a film is flushed through the purified water in the pressure tank (2), no osmotic pressure exists in a reverse osmosis film shell, the salt removing rate is high, and the TDS value of the purified water in the reverse osmosis film is effectively lowered.

The invention relates to a method for preparing methyl nitrite by a reaction of NO and nitric acid and methanol. By the method, the problems such as high supply cost of nitrogen oxide and severe equipment corrosion existing in present glycol preparation technology by synthesis gas are mainly solved. According to the technical scheme, a gas-phase raw material containing nitric oxide and a liquid-phase raw material containing nitric acid and methanol react in a trickle bed reactor to obtain methyl nitrite. By the technical scheme, the above problems are greatly solved. The method of the invention can be used for industrial production of methyl nitrite in the glycol preparation technology by synthesis gas.

The invention relates to a functional flame-retardant polymeric composition and a preparation method and application thereof and mainly solves the problem that the prior art has high usage of a functional filler, causing lower impact toughness to a material and poor flame retardance. The functional flame-retardant polymeric composition includes, by mass: a) 30-70% of a polymeric base material; b)10-50% of a functional filler; c) 1-20% of a modifier, wherein the modifier includes an interfacial modifier and a compatibilizer having a mass ratio of (0.01-5):(0.5-20); d) 0.1-15% of a flame retardant; and e) 0.01-10% of an aid; the problem is well solved; the functional flame-retardant polymeric composition is applicable to the industrial production in the fields, such as electronics, electrical appliances, and automobiles.

The invention relates to a vehicle height excess detecting and alarming device. The device comprises a main controller, a power supply, a vehicle image shooting and license plate number recognition system, a laser signal transmitter, a laser signal receiver, an alarming display system and a remote communication system, wherein the remote communication system is communicated with the main controller in wireless communication modes of global system for mobile communication (GSM) and general packet radio service (GPRS) so as to transmit and receive information; the power supply is a solar power supply system, and comprises a solar panel, a solar controller, an inverter and a storage battery pack; the vehicle image shooting and license plate number recognition system comprises a camera; and avideo acquisition card is arranged in the housing of the main controller. The device has the advantages that: the device can accurately and reliably detect the height excess of a vehicle and has the license plate recognition rate of over 95 percent to a super high vehicle, the recognizing time is less than 0.4s, and the electronic light emitting diode (LED) display screen of a large screen is clear and striking and can be seen in the distance of over 100 meters; and the main controller runs reliably and adapts to outdoor extremely-high or extremely-low temperature using environment.

The invention relates to an energy-saving and environmental-protecting painting-drying-purification combination machine, and belongs to the technical field of coating equipment. The machine comprises a suspension chain system; a lifting mechanism is hung below the suspension chain system; and the lifting mechanism circularly moves along the suspension chain system, and passes through a painting room, a paint film drying device, a suspension chain cleaning device and a suspension chain drying device in sequence. Through sequential design of the painting room, the paint film drying device, the suspension chain cleaning device and the suspension chain drying device, workpieces can be quickly dried after painting, and paint stained on the surface of the lifting mechanism can be cleaned through the suspension chain cleaning device; and through drying by the suspension chain drying device, the cleanness and the dryness of the lifting mechanism in one painting period can be guaranteed, the cleanness of a lifter before painting of the workpieces is guaranteed, the painting quality is guaranteed, and the beneficial technical effects and the prominent practical value are achieved.

The invention relates to a method for external measurement of settlement of the foundation of a storage tank. The method for external measurement of settlement of the foundation of the storage tank mainly solves the problem that in the prior art, measurement of all coordinate points in the circumferential direction of the storage tank can not be achieved at one position. According to the method for external measurement of settlement of the foundation of the storage tank, the height of the coordinate of a foundation point of the storage tank is measured by means of a total station, communication between a data recorder and the total station is established, data obtained through measurement of the total station are stored automatically, a prism is adopted to serve as a measurement point for the height of the foundation of the storage tank and is placed on the foundation of the storage tank, and the prism is moved to the next position each time a settlement point is measured; after settlement measurement of one station measurement point is completed, measurement is conducted on another station, at least three groups of switching points are arranged, coordinate points of different measured stations are converted into the same coordinate system through coordinate transformation, and then measurement of the coordinates of the settlement points is well completed. The method is used for external measurement of settlement of the foundation of the storage tank.

The invention discloses a communication tower with light weight and high strength. The communication tower comprises a tower body, a platform, an antenna support and a lightening conductor. The antenna support and the platform are mounted on the tower body. The lightening conductor is mounted at the top of the tower body. The tower body is made of glass fiber composite materials. The composite materials substitute for a traditional steel structure to perform structural improvement for the tower body, so that the communication tower has the advantages of light weight, strong plasticity, convenience and rapidness in mounting and the like, site construction can be reduced, and construction time can be effectively controlled. Zinc coating is not needed on the outer wall, so the problems that the zinc coating turns black and the like after use are solved.

The invention relates to a crude oil storage tank corrosion monitoring device, and mainly solves the problem of inaccurate test data in the prior art. The crude oil storage tank corrosion monitoring device comprises a storage tank body (2), wherein a test liquid inlet (1), a liquid discharge outlet (9), a gas inlet (3) and a gas outlet (7) are formed in the storage tank body (2); a corrosion coupon (4) and a corrosion monitoring electrode (6) are hung at the top of the storage tank body (2); a deoxidization water flush pipe (5) is connected to a position about the corrosion monitoring electrode (6); sacrificial anodes (8) are arranged at the bottom of the tank. Through the technical scheme of the crude oil storage tank corrosion monitoring device, the problem in the prior art is well solved, and the device can be used in crude oil storage tank corrosion monitoring.

The invention relates to a processing method of copyright in common content creation of multi-person. The method comprises the following steps of utilizing the contributive contents of multi-person in common content creation to analyze, utilizing a particular calculation method to automatically compare, and generating copyright weight scores according to the calculation results. Compared with the existing copyright calculation method, the processing method has the characteristics of accuracy, efficiency, greater fairness and the like.

The invention discloses a method for debugging a nuclear power water feed pump rotational speed control system. The method comprises the steps that the communication connection of all simulation devices in a nuclear power water feed pump rotational speed control system model is built; data information of the simulation devices is obtained according to the communication connection; the data information is guided into the nuclear power water feed pump rotational speed control system model for debugging; a debugging result is displayed, and a water feed rotational speed controller is made to adjust and operate the rotational speed of a nuclear power water feed pump according to the result. Control simulation debugging of the special nuclear power water feed pump system easy to maintain and low in cost is achieved. In addition, the invention discloses a device and system for debugging the nuclear power water feed pump rotational speed control system.

The invention discloses a preparation method of an alkaline anion-exchange membrane. The preparation method comprises the treatment process on alkaline resin, and the treatment process comprises the steps that AER alkaline resin is placed in an inorganic salt aqueous solution for soaking, then the AER alkaline resin and the inorganic salt aqueous solution are transferred to a heat-insulated vessel, liquid nitrogen is injected into the vessel for cooling, and AER alkaline resin particles are fully ground and crushed; liquid nitrogen freezing treatment is stopped, when the temperature is naturally recovered to room temperature, materials in the vessel are filtered with a filter screen, and fine alkaline resin powder is obtained. The fine alkaline resin powder serves as anion exchange resin of a chemical active group to prepare the alkaline anion-exchange membrane. By means of the resin treatment process, the AER alkaline resin particles can be uniformly distributed in the prepared anion-exchange membrane, the electrochemical performance of the alkaline anion-exchange membrane is further improved, and a fuel cell assembled through the alkaline anion-exchange membrane prepared through the method shows the excellent electricity generation performance.

The invention relates to an electrical arc welding method and the special automatic welding machine, belonging to the electrical arc welding technology field. It is especially suitable for the welding of auto parts. The electrical arc welding method comprises a. sending air; b. preheating by arc striking; c. filling wire rapidly at starting point; d. movably welding in uniform speed; e. filling wire rapidly at ending point; f. retreating arc; and g. stopping air. The special automatic welding machine for implementing said electrical arc welding method has a frame, on which an electrical cabinet, a face movable actuating mechanism for machined part, a lifting mechanism, a wire feeding mechanism and an arc welding machine are set. The merit of invention is that automatic control for all welding process of face path is realized and it is provided with high stability for welding processing quality, flat and uniform welding surface, good controllability for thermal deformation of machined part, high working efficiency, low labor intensity and decreased producing cost.