78results about How to "Reduce the difficulty of follow-up processing" patented technology

The present invention discloses a malicious code analysis method based on semi-supervised learning. The method is characterized in that analysis is carried out based on the multi-dimensional features, and static features and dynamic features of a malicious code are extracted; and the difficulty of the subsequent processing through dimensionality reduction is reduced, and by using the semi-supervised learning method, the problem of the classification of a small number of marked malicious code samples is solved.

The invention discloses an image processing-based yarn diameter detection method which comprises the following steps: acquiring a clear image of detected yarns in a dark box, and calibrating a corresponding relationship between the pixels of the detected yarns and the actual size; moving the detected yarns to pass through the dark box at a constant speed, continuously acquiring a sequence image of the detected yarns and storing the image; drawing a gray change curve for each row according to each frame of the sequence image of the detected yarns, taking a small-gray part, and intercepting a gray value coordinate continuing part in the small-gray part as a yarn evenness part of the detected yarns; removing the coinciding part of the yarn evenness part of the detected yarns in each frame according to the moving speed of the detected yarns and the frame frequency of image acquisition, and generating a yarn evenness image of the detected yarns; and obtaining the diameter of the detected yarns according to the corresponding relationship between the image pixels of the detected yarns and the actual size. The method disclosed by the invention has extremely high precision and accuracy, and the detection data can be used for determining the non-uniformity comprising long fragments, short fragments and periodic change of the yarns on different lengths.

The invention discloses an ecological processing system used for aquatic product culture waste water and a method thereof. The system comprises a filtering-feeding fish culture pond, a primary filterpool, a biological floating island processing pool, a secondary filter pool, and a benthophyte treatment pool; wherein the primary filter pool and the secondary filter pool are filled with pelelith, plants are planted on an upper surface of the pelelith, and microbe bacterial strains are placed at a lower part. Through multilevel processing, each level of processing adopts omnibearing and multi-layered processing measurements, the aquatic product culture waste water can be efficiently processed and purified, and can be recycled, so that the ecological processing system achieves eco-environmentprotection.

A U-shaped low vacuum dredging sludge rapid drainage method relates to a method which rapidly deals with the drainage of low concentration dredging sludge generated in the engineering construction of water conservancy, harbor approach, and substantially increases the concentration of the dredging sludge in the sludge stockyard. A U-shaped drainage system is formed by erecting a U-shaped sand bag in advance in a closing dam. The two ends of the U-shaped sand bag are respectively connected with an evacuating device and a venting device with a venting valve to form a space drainage system. In order to prevent clogging, when water is pumped, the venting valve is regulated to cause the drainage system to pump water in the low vacuum. During the pumping process, the venting valve is regulated according to the water content of the sludge in the closing dam; the vacuum pressure in the drainage system is gradually increased to guarantee the drainage efficiency of the system. The invention has simple technique and low cost, and is suitable for the large area of stockyard disposal project in the low concentration dredging sludge.

The invention aims at providing a novel coal tar waste water treatment method. A purely-physicochemical method is adopted to overcome the defects of the prior art and handle results which are difficult in reaching the standard; the method mainly adopts a combined process comprising primary flocculation precipitation, catalytic oxidation and secondary precipitation, thus reducing the chemical oxygen demand (COD) in coal tar waste water as well as an ammonia nitrogen value, a cyanide value and a phenol value of the coal tar waste water, and enabling the effluent quality to reach the first-level sewage discharge standard in China. By adopting the purely-physicochemical method, the waste water treatment method is wider in application scope; by arranging a primary flocculation sedimentation tank, the suspended matters and chrominance of the organic waste water are greatly reduced; most organic and inorganic pollutants, phenol, aromatic hydrocarbons and cyanide in the water are removed by means of a catalytic oxidation two-stage tandem reaction; by adopting the catalytic oxidation reaction which combines a photocatalyst and micro-ozone, the production of a great deal of bubbles is avoided in a catalytic oxidation process; the adoption of ozone activated carbon filler is more conducive to the progress of the reaction and the removal of phenol; furthermore, less ozone is consumed, so that the waste water treatment method has less influence on the environment.

The invention discloses a extracting method of grease, which is characterized by the following steps: 1) disintegrating materials to 10-40 order; 2) adopting liquid dimethyl ether as extraction solvent; conveying to materials with the rate of material and dissolvent at 1:2-1:24; extracting 30-120 min under the condition of pressure at 5-30 kilogram at 30-90 Deg C; 3) separating grease in the condition of pressure at 1-5 kilogramat 20-60 Deg C. The invention simplifies the manufacturing craft, which improving extracting rate effectively.

The invention relates to environmental protection, in particular to a method and a device for removing nitrates from drinking water. The method comprises the following steps that: organic micromolecules generated by the anaerobic digestion of strains in an anaerobic fermentation unit permeate through a separating diffusion layer and are diffused to enter a denitrification unit to serve as a reducing agent for strains subjected to habituated culture in the denitrification unit, namely an electron donor source, wherein for 30 to 50 mg/L of NO3<->-N nitrates at the temperature of between 20 and 25 DEG C, water is cut for 24 to 36 hours; and voltage difference between the denitrification unit and the anaerobic fermentation unit forms microbial current through activated carbon fibers, and the microbial current is transmitted to the denitrification unit from the anaerobic fermentation unit to promote bio-electrochemical denitrification, so that heterotrophic denitrification and bio-electrochemical denitrification are synchronously and synergetically to remove the nitrates from the drinking water. By the method and the device, an electron dornor is prevented from being excessive, and theproblem that the nitrates in the drinking water exceed the standard is solved economically and reliably. The method is suitable for removing the nitrates in the drinking water in large scale and is also suitable for the in-situ treatment of the nitrate pollution in a drinking water source.

The invention relates to a double-bed gasification device, which includes: a pyrolysis furnace, a gasification furnace and a pyrolysis gas condensation separator, and re-adds the difficult-to-use low-quality tar produced by pyrolysis into the high-temperature gasification furnace to generate synthetic gas Or water gas, and reduce the tar component in the generated synthetic gas or water gas, improve the gas quality, reduce the amount of pollutants in the gas, and reduce the difficulty of subsequent gas treatment. At the same time, after the pyrolysis gas is cooled and liquefied, only the liquefied tar enters the gasifier again for re-gasification, and the pyrolysis coal gas of hydrocarbon-rich substances that cannot be gasified no longer participates in the gasification but directly interacts with the generated The mixed gas and water gas are mixed to form a mixture, thereby reducing the damage to the hydrocarbons in the pyrolysis gas, and these hydrocarbon-rich substances are transferred to the mixed gas, which greatly improves the calorific value and quality of the gas.

The invention discloses a portable chip removing device capable of screening. The device comprises a fixed base, and an H-shaped supporting frame is welded to the edge of the top end of the fixed base. A feeding groove is formed in the middle of the top end of the fixed base; a conveying belt is mounted in the feeding groove; a limiting neck is formed in the middle of the bottom end of the inner wall of the H-shaped supporting frame; a first air cylinder is mounted on one side of the inner wall of the H-shaped supporting frame; an I-shaped screening mounting plate is mounted at the push rod end of the first air cylinder; a first hydraulic push rod is mounted in the middle of the bottom end of the I-shaped screening mounting plate; a screening plate is mounted at the push rod end of the first hydraulic push rod; and through a first air cylinder, an I-shaped screening mounting plate, a first hydraulic push rod, a screening plate, a screening groove and an indicating lamp, chips mounted on the surfaces of chip strips can be detected, and through detection and screening of the chips mounted on the surfaces of the chip strips, workers can find out damaged chips, so that the workers canconveniently remove the damaged chips.

The invention discloses a method for producing 16-dehydropregnenolone acetate. The method comprises the following steps: carrying out ring opening on diosgenine as a raw material, oxidizing, hydrolyzing, and refining to produce highly 16-dehydropregnenolone acetate. Compared with traditional 16-dehydropregnenolone acetate production methods, the method especially adopting highly active ozone as an oxidant in the oxidation reaction process has the advantages of novelty, mild reaction conditions, and easy control of the reaction product; the total yield of separated 16-dehydropregnenolone acetate reaches 79.5%, and is higher than an industrial average production level of 72-74%; and the oxidant in the reaction process can be recycled, so the method also has the advantages of realization of continuous production, production cost reduction, investment saving, labor intensity mitigation, high comprehensive utilization rate, and environmental protection, and provides a reference for the industrial production.

The present invention relates to the technical field of polishing machines, and more specifically relates to a polishing machine with a dust suction device, which includes an operating table, the operating table includes a main operating table and an auxiliary operating table, and the main operating table includes a blower, a frame and a polishing disc , the operation sub-table includes the table, water tank, lifting device and support plate, adjust the lifting device to make the distance between the support plate and the polishing plate adapt to the size of the actual product, the dust suction fan sucks the dust into the dust box, the blower and The inlet increases the efficiency of dust entering the dust collection box, and the water tank reduces the flying degree of dust during subsequent processing; the invention is suitable for various product sizes, has more comprehensive dust collection, reduces the difficulty of subsequent processing, improves the working environment, and is suitable for popularization and use.

The invention relates to a filter and a coal mine underground water purification system thereof; the filter comprises two filter side plates, a filter shell and a filter screen, and the two filter side plates are respectively fixed at openings at two sides of the filter shell; an overflow shell is mounted at the top of the filter shell, an overflow weir is formed between the inner side of the overflow shell and the outer wall of the filter shell and communicates with the top of a water collecting tank in the water collecting shell, the bottom of the water collecting tank communicates with oneend of an overflow pipe, and the other end of the overflow pipe communicates with a purification water inlet pipe of a secondary purification module; a hollow filter cavity is formed in the filter shell, a V-shaped groove with the width gradually decreased from top to bottom is formed in the bottom of the filter cavity, a sludge auger is arranged in the V-shaped groove, a sludge auger shaft is fixedly sleeved with the sludge auger, and one end of the sludge auger shaft penetrates out of the filter shell and then is fixedly assembled with an output shaft of a sludge auger motor; countless through filter holes are formed in the filter screen, and a filter drain pipe is arranged above the filter screen and is used for conveying water filtered by the filter screen to a purification water inletpipe of a main purification module.

The invention relates to the technical field of wall body machining, in particular to an automatic wall surface machining device for architectural decoration engineering. The device comprises a bottomplate, wherein a handle is welded to one end of the upper surface of the bottom plate, a sliding rail is welded to the upper surface of the bottom plate, a transverse moving threaded rod is rotatablymounted at the lower end of the inner side of the handle, a transverse moving motor is installed at the position, corresponding to the transverse moving threaded rod, of the outer surface of one sideof the handle, a spraying box is slidably installed on the outer surface of the sliding rail, a lifting threaded rod is rotatably installed behind the spraying box, a top plate is installed on the upper surface of the lifting threaded rod, a lifting motor is installed on the upper surface of the top plate, a lifting sliding seat is installed on the outer surface of the lifting threaded rod, a rotating rod is rotatably installed on the inner side of the lifting sliding seat, and a spray head is fixed to the outer surface of the rotating rod. The device is operated automatically, concrete can be prevented from being splashed to an operator, an intelligent control program is set, and spraying is uniform.

The invention discloses a preparation method of electronic-grade high-purity hydrogen chloride. The preparation method includes subjecting toluene and chlorine to a chlorination reaction to produce chlorotoluene and a by-product, namely a hydrogen chloride gas, dewatering, liquefying and rectifying the by-product as a raw material to remove light components, and further performing rectification to remove heavy components to obtain the electronic-grade high-purity hydrogen chloride. The preparation method has the advantages that an original process for converting hydrogen chloride produced after toluene chlorination into hydrochloric acid is changed into a method for producing the electronic-grade high-purity hydrogen chloride, and the industrial hydrochloric acid is basically surplus waste liquid in actual chemical production and needs to be treated; by the preparation method, waste is turned into treasures, and new pollution is avoided.

The invention discloses an integrated high-efficiency thermal washing-advanced oxidation combined oily sludge treatment system and an oily sludge treatment method, and belongs to the technical field of oily sludge treatment. The method comprises a water washing process and an oxidation process, most crude oil can be efficiently and rapidly eluted in the water washing process, and the degradation difficulty is greatly reduced for subsequent oxidation treatment; in the oxidation process, persulfate is adopted as an oxidizing agent, green and environment-friendly treatment is achieved under the conditions of low temperature and water addition, harm to the environment is small, and an efficient solution is provided for oily sludge remediation.

The invention relates to a system device and a process for industrially producing aluminum chloride. An aluminum chloride steam discharged from a chlorination furnace enters a main catcher through a subliming pipe and is condensed into powder or crystals in a three-section way, bulk crystal materials are smashed through a crusher so as to enter a surge bin and a star type feeder, the materials arepneumatically conveyed in an accelerating chamber through a roots blower and are cooled in a cooler so as to enter a stock bin, a tail gas is filtered through a dust remover on the top part of the stock bin and is conveyed to an inlet of the roots blower through an air induced fan so as to be recycled, and part of tail gas enters a chlorine recycle pipe or enters a common chlorine treatment pipeline; meanwhile, an assistant catcher is also arranged for feeding a small amount of aluminum chloride powder and residual chlorine into the stock bin; the formation of a negative pressure system of the dust remover, the stock bin, the assistant catcher, the main catcher and the surge bin is realized through the air induced fan. The whole process system is green and environmental-friendly, the crystallization yield of aluminum chloride products is high, the product pneumatic conveying and the tail gas inducing are matched, the recyclability of the tail gas is good.

The invention relates to the technical field of waste emulsion treatment, and in particular, relates to an emulsion continuous demulsification separation method based on a magnetic particle dynamic bed. An emulsion continuous demulsification and separation device based on the magnetic particle dynamic bed is included; an alternating magnetic field is generated through a magnetic particle control system, so that magnetic particles are bound in a specific area in an emulsion flow path and do reciprocating motion, and the magnetic particle dynamic bed is formed; the emulsion passes through the dynamic bed in the direction perpendicular to the reciprocating motion of the particles, the magnetic particles collide with oil drops in the emulsion, the oil drops are captured, an oil-water interface film is damaged, oil drop coalescence is promoted, the coarse-grained demulsification and oil-water separation processes are completed, and the effects of continuously discharging water and discharging floating oil are achieved. The light transmittance of the emulsion can be improved to 95% or above from 5% or below, and the device has the characteristics of good effluent quality and stable operation, and solves the problems that continuous demulsification is difficult to realize, the magnetic field action is single, particles need specific modification, the demulsification efficiency is low and the like in magnetic particle demulsification research.

The invention belongs to the technical field of building tools, and discloses a building decoration engineering wall surface processing device which comprises a device base, a movable processing table, a rack, a lifting motor, lifting threaded rods, a coating stirring barrel, a mounting table plate and lead screws. Machine columns are installed at the two ends of the device base, the movable processing table is installed through the machine columns in a supporting mode, lead screw bases are installed at the two ends of the movable processing table, the lead screws are installed on the lead screw bases, lead screw motors in driving connection with the lead screws are installed at one end of the movable processing table, and T-shaped lead screw sliding blocks are installed on the lead screws in a sliding mode. The rack is fixedly mounted at the tops of the T-shaped lead screw sliding blocks, the lifting threaded rods are mounted at the inner top and the inner bottom of the rack through threaded seats, and the lifting motor in driving connection with the lifting threaded rods is mounted at the top of the rack. According to the device, the lead screw motors and the screw rods are matched with the lifting motor and the lifting threaded rods, so that automatic scraping, scribing, spraying, drilling and polishing operations are realized; and the operation cost is reduced, and the building decoration quality is effectively improved.

The invention relates to a preparation method of a high-efficiency photocatalytic material PCN-222-Zn for reducing CO2 into formic acid, which comprises the following steps: a, weighing a proper amount of ZnCl2 powder, adding the ZnCl2 powder into a mixed solution, dissolving the materials uniformly, and adding a proper amount of pure-phase PCN-222 crystal to obtain a mixed solution; b, transferring the mixed solution obtained in the step a into a hydrothermal reaction kettle, and reacting for 10-14 hours; c, carrying out acidification treatment on the mixed liquid by using an acidic compoundto remove metal ions except Zn 2+; and d, cooling the acidified mixed solution in the step c to room temperature, carrying out centrifuging, washing and drying treatment to obtain the PCN-222-Zn target product. The catalyst product can reduce CO2 into formic acid, has formic acid selectivity as high as 98% and is remarkable in catalytic effect.