615results about How to "Malleable" patented technology

The invention relates to a thiol-aldehyde group cross-linked hydrogel material, a preparation method and applications thereof. The preparation method comprises: dissolving a component A thiol-containing polymer derivative in a biocompatible medium to obtain a solution A; dissolving a component B aldehyde group-containing polymer derivative in a biocompatible medium to obtain a solution B; and mixing with the solution A and the solution B to obtain the hydrogel, wherein the hydrogel has plasticity at the initial stage of cross-linking, can form a removable hydrogel system at the later stage ofcross-linking, and can form an interpenetrating network hydrogel system with enhanced mechanical property, a component C and / or a component D can be added to the hydrogel precursor solution, the component C is a double bond-containing substance or an amino-containing substance or a substance containing a double bond and amino, and the component D is a tissue repairing beneficial ingredient. The invention further provides a kit for preparing the hydrogel, applications of the hydrogel in tissue engineering and regenerative medicine, 3D cell culture, 3D printing, and applications of the hydrogelas cell carriers, protein carriers or drug carriers.

The invention discloses a network quality monitoring method based on signalling and MR data. The method comprises the following steps: (1): analyzing the GGSNDATATEID, SGSNDATATEID, BeginTime and URI information through a S1-U interface, and extracting longitude and latitude information according to a longitude and latitude format; (2): obtaining XDR information through a S1-MME interface, associating the cell information through the ERAB_ULTEID, ERAB_ULTEID, BeginTime associated information; and (3): obtaining the RSRP data of an MR acquisition point through the cell information and start time with MRO data association. The method does not need to carry out a large number of on-the-spot tests, save resources, has strong stability, has the extensibility of long-term stable tracking analysis, can output the weak coverage area of the wireless network through association analysis and can optimize problems through the coverage accurate positioning network planing.

The invention provides an equipment data collecting system based on OPC UA protocol, which can solve multi-level data collection, transmission and monitoring problems of each bottom device, measuring instrument, automatic control system and so on on the industrial site, realize data transparency of complicated bottom automation equipment and improve information integration modes. The equipment data collecting system based on the OPC UA protocol is characterized by comprising a bottom adapter, an OPC UA middleware and an upper application, wherein the bottom adapter comprises a data modulation module and a data transmission module, wherein the data modulation module is used for taking out bottom equipment data value needed by a user, data values of a plurality of communication protocols can be taken out through configuration, and the data transmission module is used for transmitting the data value taken out from the data modulation module to the OPC UA middleware at a configured speed; the OPC UA middleware comprises a data service center and a Modeling and configuring module; and the data service center comprises a data collection module, an even processing module, an OPC UA real-time data server and a history data module.

The invention discloses a curve screen based on nanometer touch-control membrane technique and a manufacturing method thereof. The curve screen comprises a curve substrate, wherein the curve substrate is an arc-shaped imaging device; the radian of the curve substrate is 0-180 degrees; the curve substrate is adhered to a nanometer touch-control membrane having flexibility; a sensing signal acquisition control integrated circuit is arranged on the nanometer touch-control membrane and is connected to a computer control unit through an interface; and the computer control unit is connected to the curve substrate in a wired or wireless communication manner. In the invention, the touch control technique is realized on the curved surface. The curve screen provided by the invention is suitable fordisplay devices in different sizes. The unit cost is low, the system integration is simple, and the operation is easy, thereby ensuring that the curve screen provided by the invention is a low energy-consumption and low-carbon product.

The invention relates to an industrial CT defect detection method based on deep learning. The method comprises the following steps: collecting data; dividing a data set; labeling the image; performingimage enhancement; constructing a model; customizing a loss function and an evaluation standard; training a model: training the model and storing the best weight of the trained model; post-processing: inputting the verification set picture into the model to obtain an original defect mask corresponding to the verification set original image, and performing subsequent processing on the mask; calculating the area of a defect region: calculating the area of a defect pixel through the obtained mask image containing the defect; defect segmentation: loading the weight stored in the training model asa prediction model, inputting the model to obtain an original mask image of which the original image contains various defects, and performing post-processing and defect region area calculation on themask image to obtain a final defect-containing mask image and a defect area; according to the invention, the defect area can be accurately and rapidly detected and identified in actual production.

The invention discloses a method for harmlessly treating aluminum ash. The method comprises the following steps: (1) performing ball milling on aluminum ash to be treated in a ball mill to flattening metal aluminum in the aluminum ash into flat aluminum, and performing sieving to separate the flat aluminum from the aluminum ash to obtain first aluminum ash; (2) placing the first aluminum ash in a first container provided with an air vent, adding a first part of water into the first container, performing stirring to conduct reaction on aluminum nitride in the first aluminum ash and the water to generate ammonia and aluminum hydroxide, and discharging the ammonia through the air vent, to obtain a material left in the first container after the ammonia is discharged to be recorded as a first material; (3) performing iron removal operation on the first material, to obtain the first material subjected to iron removal to be recorded as a second material; (4) performing centrifugal dehydration operation on the second material, and then performing drying to obtain an oxide-containing mixture. According to the method, harmful substances and flammable and explosive substances in the aluminum ash are safely removed to implement harmless treatment and reclamation of the aluminum ash without heating.

The invention relates to a distracted driving behavior early warning method based on a cab near-infrared camera. The method comprises the following steps of (1) face detection of a driver: acquiring the near-infrared image data of a cab scene offline through the vehicle-mounted near-infrared camera, marking the image data face area, and performing the offline training on an Adaboost classifier serving as a face detection classifier, and searching the face interested region by the face detection classifier; (2) dangerous driving behavior detection: based on the face interested region, adding abackground region, and performing the dangerous driving behavior detection by utilizing a deep convolution neural network; (3) dangerous driving behavior early warning: performing the multi-frame confirmation on the dangerous driving behaviors by means of the time sequence data, if the set continuous frame number threshold value reaches is reached, sending a visual early warning signal and / or an auditory early warning signal. By means of the method, the mental dangerous driving behaviors of the driver can be recognized and warned, so that a driver can be reminded to change the distraction behavior immediately, and the driver can keep the driving state in a normal standard, and the driving safety is improved.

The invention discloses a crawler type walking robot workstation, which belongs to the field of electromechanical integral robots. The crawler type walking robot workstation comprises an upper computer, a main control primary vehicle and multiple controlled secondary vehicles; the main control primary vehicle comprises a vehicle body, a crawler type walking mechanism and a PLC (Programmable Logic Controller). The crawler type walking robot workstation is characterized in that the vehicle bodies of both the main control primary vehicle and the controlled secondary vehicles are closed and inflatable boxes; the crawler type walking mechanism consists of a rubber double-sided toothed crawler, a rear driving wheel, a front guiding wheel, a front bearing wheel, a rear bearing wheel and a tension wheel; a left driving speed regulating rotor and a right driving motor are respectively driven by a storage battery as a power; the PLC is mounted on the main control primary vehicle; and the operation is executed by a speed regulating brushless motor driving module. In the invention, multiple rotor vehicles are combined together according to different functions and coordinate on the whole, thereby forming a robot workstation.

The invention relates to an integrated stamping forming treatment method of steel in the metal hot processing field. The method comprises the following steps of: selecting and preparing steel billets; hot stamping; controlling the quenching cooling at suspension cooling temperature; carrying out secondary heating treatment on the cooled steel billets, and then cooling to tempering temperature; and fine stamping and forming while the billets are hot. In the invention, hot stamping forming and heat treatment austenite heating are combined into a whole, thus the energy is saved, and the toughness and the precise plasticity forming of the steel are enhanced. The tensile strength of the treated steel is larger than 1,900MPa.

The invention relates to a parking guide method based on a vehicle-mounted panoramic system. The parking guide method comprises the following steps: (1) splicing scenes output by a 360-degree panoramic system to obtain a 360-degree auxiliary panoramic view around a vehicle; (2) setting a parking position and a parking type through an interactive interface; (3) generating a parking track accordingto the current position and the parking position of the vehicle in combination with the parking type; and (4) generating a parking guide signal according to the parking track, and displaying the parking guide signal. According to the parking guide method provided by the invention, the environment around the vehicle can be displayed in multiple view angles, information interaction between a user and a driver can be formed through the interactive interface of the user, and a parking path plan and a corresponding steering operation sequence are recommended according to the parking position and the parking type input by the user, so as to guide the driver to drive the vehicle in the preset parking position quickly and accurately. The parking guide method provided by the invention is high in intelligent degree and wider in function.

The invention provides a preparation method of lithium yttrium halide and application thereof in a solid electrolyte and a battery. The preparation method of the lithium yttrium halide comprises the following steps: (1) supplying yttrium halide salt and lithium salt to a ball mill tank for mechanical synthesis; (2) annealing a mechanically synthesized product under the protection of inert gas to obtain the lithium yttrium halide with a chemical formula of Li3YAxB6-x, wherein A is Cl<-> and / or Br<->, and B is selected from at least one of I<->, F<->, BF<4->, PF<6->, BOB<->, TFSI<-> and FSI<->;x is more than 0 and less than or equal to 6. The method can be carried out under normal pressure, and the raw materials are low in cost; the prepared Li3YCl6 is high in thermal stability and high incrystallinity, and has relatively high electrical conductivity at normal temperature.

The invention belongs to the field of cold chain transportation, and particularly relates to a novel solid phase change cold storage agent for cold chain transportation at the temperature of 2-8 DEG C and a preparing method and application of the novel solid phase change cold storage agent. The solid phase change cold storage agent comprises, by mass percent, 84.5%-90.6% of n-tetradecane, 8.8%-14.9% of thermoplastic elastomer SEBS and 0.6% of antioxidant. The solid phase change cold storage agent is transparent gel and is in a solid state before and after phase change, and the problems of inorganic cold storage agent supercooling, phase separation and liquid phase leakage do not need to be worried. The phase change temperature of the solid phase change cold storage agent ranges from 4 DEG C to 5 DEG C, and the phase change latent heat ranges from 170 J / g to 200 J / g. The solid phase change cold storage agent has the beneficial effects that temperature control is accurate, and the temperature can be kept stable for a long time; the cold storage agent serves as a cold source, the stable and accurate temperature environment of 4-5 DEG C can be provided for biological medicine cold chain transportation, and the cold storage agent is extremely suitable for meeting the requirement for cold chain transportation of 2-8 DEG C in the biological medicine field.

The invention relates to a copper-plated graphite composite material and the preparing method thereof, in particular to a composite material with copper directly plated on the surface of the natural crystalline flake graphite by adopting a chemical method and the preparing method. The invention has the following steps: firstly, chemical materials of natural crystalline flake graphite powder with a certain granularity, copper sulfate and zinc powder are selected; secondly, the copper ions in copper sulfate are plated on the surface of the natural crystalline flake graphite through a chemical displacement reaction; and thirdly, the natural crystalline flake graphite is dehydrated after being cleaned and then is dried in a reducing furnace under the protection of hydrogen. The copper-plated graphite powder prepared in the invention is a composite material, which has excellent combined interface with copper evenly distributed on the surface of graphite and is provided with the lubricity of graphite as well as the electrical conductivity, the tractility and the high strength of copper. The invention opens up a new way of solving the prior technique of compounding copper and graphite by using asphalt or other adhesives. The invention overcomes the defects of high electric resistance and poor lubricity and is easy for industrialized production..

The invention aims to provide a neural restoration material combined with the acellular nerve application. The neural restoration material is prepared from nerves of an acellular allogene or acellular heterogeneous living organism, a restoration material, a microtubulin inhibitor, neurotrophic factors and stem cells. The neural restoration material disclosed by the invention has good biocompatibility, can provide nutrition supplies needed by nerve regeneration and restoration, is capable of maintaining an optimal physicochemical and biology microenvironment for nerve regeneration for a long time and has dual functions of preventing nerve tumor formation and promoting defect nerve restoration.

The invention provides an engine piston pin snap ring press fitting tool. The engine piston pin snap ring pressing fitting tool comprises a support and a press rod, wherein the press rod is fixed to the support and can be controlled to stretch, the support comprises a supporting seat, the position of the press rod corresponds to that of the supporting seat, an upper boss is arranged on the middle section of the press rod, and a displacement sensor used for detecting the displacement of the press rod is fixedly arranged beside the press rod and on the support. Through the adoption of the technical scheme, if a snap ring at the upper end of a piston is not assembled or the assembling of the snap ring is not in place, the displacement sensor at the upper end of the press rod senses whether the snap ring at the upper end of the piston is neglected or not or whether the assembling of the snap ring is in place or not through the moving of a press head of the press rod, the problems of error assembling and neglected assembling can be found out in time, the production rhythm can be improved, and manpower can be saved.

The invention relates to a stainless steel water meter shell which is cast by using a lost foam process. The fireproof paint of the lost foam comprises 15 parts of zirconite powder, 15 parts of ferrochromium powder, 12 parts of pyrophillite powder, 10 parts of bauxite, 5 parts of magnesium powder, 5 parts of limestone powder, 4 parts of brown emery powder, 1 part of white emery powder, 2.5 parts of lithium-base bentonite, 2 parts of carboxymethyl cellulose, 1 part of palygorskite, 2 parts of sodium silicate, 2 parts of aluminum sulfate, 1.5 parts of VAE (Vinyl Acetateethylene Emulsion), 0.6 part of n-butyl alcohol, 0.2 part of n-caprylic alcohol and 25 parts of water; an energy converter intubation tube with internal and external threads is arranged inside an inclined tube of the water meter shell; and after being inserted, an energy converter is not directly contacted with a water fluid, so that the service life of the energy converter is prolonged and the stainless steel water meter shell has a wide application prospect.

The invention discloses a crop growth whole-course digital evaluation method based on unmanned aerial vehicle vision, and the method comprises the steps: firstly carrying out the rasterization of an unmanned aerial vehicle operation region, and arranging a Bluetooth positioning benchmark; aiming at a rasterized working area, shooting a five-view image of each grid by the unmanned aerial vehicle, and carrying out crop plant segmentation, five-view three-dimensional reconstruction, plant leaf surface and fruit segmentation and five-view two-dimensional reconstruction; correcting the reconstructed target image; calculating parameters of crop plants, leaf surfaces and fruits by utilizing the corrected reconstructed image; digitally evaluating the growth condition and pest and disease damage condition of the crops in each growth stage of the crops by utilizing the parameters obtained by calculation; meanwhile, through calculation of field environment parameters, the dry condition and the waterlogging condition of the crop growth environment are comprehensively evaluated. Whole-course digital evaluation is provided for the crop growth process, and the method has a guiding effect on agricultural production.

The invention discloses an ecological stone cage net box retaining wall and a construction method. The ecological stone cage net box retaining wall comprises a plurality of stone cage net boxes, wherein the stone cage net boxes are mutually connected together, stones with different sizes are arranged into the stone cage net boxes to form a water blocking wall, and the back side of the wall body is provided with a soil filling layer. The ecological stone cage net box retaining wall has the advantages that special steel wires which are specially treated by a factory are used as material, the material is sheared by special equipment, and then is manufactured, connected and assembled into unit stone cage net sheets, the unit stone cage net sheets are collected and transported to the construction site, and then are unfolded to form net boxes, the net boxes are connected together, the stones with satisfactory particle sizes are arranged into the net boxes, and the certain porosity is realized; the net boxes are piled in a layering way to form a complete and uniform masonry building with certain weight; the ecological stone cage net box retaining wall is suitable for soil blocking or water and soil conservancy projects of river regulation, municipal administration, transportation, water conversancy, garden landscapes, and the like, such as banks, dykes, weirs and protecting slopes.

The invention discloses a crystal growth furnace heater with a cylindrical shape. The heater comprises: a plurality of electrodes distributed annularly and arranged at one end of the cylinder; a connecting ring disposed at the other end of the cylinder; a tungsten wire mesh, one end of which is connected to each of the multiple electrodes, and the other end of which is connected to the connecting ring, thus forming a barrel cylinder. On the other hand, the invention provides a sapphire crystal growth furnace with the above heater. The heater of the invention employs a double-star loaded three-phase alternating-current power supply mode, and can improve the load balance. The tungsten wire mesh heating body can endow the heater with good uniformity, reliability and stability.

The invention relates to a preparation method of a graft copolymer of nano cellulose and aliphatic polyester. The preparation method comprises the following steps of: adding cellulose as a raw material into a certain concentration of acidic solution, acidulating for a certain time under heating and stirring conditions, then centrifugally separating, collecting solids, washing with distilled water till neutralizing, freezing and drying to prepare the nano cellulose; then initiating the ring-opening polymerization of Epsilon-caprolactone and lactide monomer by taking hydroxyls in nano cellulose molecules as an initial active point and stannous octoate as an initiating agent under water-free and oxygen-free conditions to obtain the grate copolymer of the nano cellulose and the aliphatic polyester, wherein the grate copolymer is completely biodegradable. The nano cellulose grafted aliphatic polyester material is even to disperse in a substrate of a polyester material, and has excellent plasticity and machinability, acid resistance, alkali resistance and waterproofness.

The invention discloses an asphalt strip and preparation and construction methods thereof, belonging to the technical field of asphalt pavement construction. The asphalt strip is characterized by comprising the following components in parts by weight: 70-90 parts of asphalt, 2-10 parts of a styrene-butadiene copolymer, 8-15 parts of solvent naphtha, 1-5 parts of a filler, 1-5 parts of a stabilizer and 0.1-0.3 part of an antioxidant, wherein the solvent naphtha is one of aromatic hydrocarbon oil, coal tar, diesel oil or kerosene; and the asphalt is petroleum asphalt or coal tar pitch. The construction method of the asphalt strip comprises the following steps: flushing, dedusting, caulking and welting. The asphalt strip has high viscidity and extensibility, filling of a pavement crack can be finished without heating, the construction method of the asphalt strip is short in used time, and can be finished without an assist of crack sealing equipment, and the construction effect is firm and lasting.

The invention provides an automatic single-color mosaic-particle lay-up device and a lay-up method of the automatic single-color mosaic-particle lay-up device. The automatic single-color mosaic-particle lay-up device comprises a stander, a mosaic forming die which is arranged on the stander, at least one automatic mosaic-particle single-track lay-up unit, a loading device and a controller, wherein each automatic mosaic-particle single-track lay-up unit is used for gradually collecting mosaic particles one by one after transporting the mosaic particles one by one, arranging the mosaic particles into rows / columns according to a preset rule and then driving the entire row / column of mosaic particles to enter a loading procedure; the loading device is connected with the stander and used for sequentially transporting and loading the well-arranged entire row / column of mosaic particles in each automatic mosaic-particle single-track lay-up unit into the mosaic forming die; the controller is respectively connected with each automatic mosaic-particle single-track lay-up unit and the feeding device by signals. The automatic single-color mosaic-particle lay-up device is high in lay-up stability, high in lay-up speed and capable of effectively improving the lay-up efficiency and lay-up accuracy of the mosaic particles. The automatic lay-up method is used for substituting the traditional manual lay-up process, so that the problems that the current mosaic industry is low in automation degree and low in production efficiency can be solved.

The invention discloses an emotional control system based on electroencephalogram feedback, comprising an information acquisition module, a signal processing control module, a feedback module, a human-machine interface module, an evaluation module and a data management module. The invention relates to the field of emotional control and electrophysiology, and the ability to control emotions is trained by using electroencephalogram biofeedback technology; since the brain is plastic, electroencephalograms may reflect transient changes in cerebral activity; the ability of the brain to control emotions is trained through biofeedback technology, it is possible to improve the ability of a subject to control emotions, and by using an electroencephalogram biofeedback system herein, it is possible to effectively improve the ability of personnel to adjust negative emotions.

The invention belongs to the technical field of refractory materials, in particular to a high-alumina refractory castable and a preparation method thereof. The high-alumina refractory castable is prepared from the following raw materials in parts by weight: 50-70 parts of high bauxite, 8-13 parts of andalusite, 11-23 parts of floating bead, 15-20 parts of silicon carbide, 10-15 parts of silicon nitride, 7-12 parts of alpha-Al2O3 micro powder, 3-9 parts of silica-alumina colloid powder, 1-5 parts of attapulgite clay, 10-25 parts of calcium aluminate cement, water reducer and aluminium silicatefiber, wherein the water reducer occupies 0.1-0.3% of total mass of the above raw materials, and the aluminium silicate fiber occupies 0.05-0.12% of total mass of the above raw materials. The high-alumina refractory castable has the advantages of high Al2O3 content, light weight, low heat conductivity and high castable strength.

The invention relates to a method for producing paperboards and paper tubes, comprising the following steps of: (1) carrying out steam blasting and fluid energy milling on plant waste materials to obtain a raw material A; (2) carrying out the steam blasting on waste and old textiles and animal fibers to obtain a raw material B; (3) preparing a sodium silicate solution with the mass concentration of 12-15% to obtain a raw material C; (4) uniformly mixing the raw material A with the mass percent of 84-86%, the raw material B with the mass percent of 6-9%, the raw material C with the mass percent of 6-8% and thermosetting resin with the mass percent of 0-4%, putting the mixture into a paper pressing machine to prepare the paperboards and the paper tubes; and (5) carrying out air drying and curing on the obtained paperboards and paper tubes or curing by adopting a drying machine or a blast blower. The invention has the advantages that: process is simple, raw materials are available; manpower and energy are saved, production efficiency is improved, production cost is reduced; and the obtained paperboards and the paper tubes have good and stable quality, thus the method is applicable topopularization and application and is environment-friendly for papermaking.

The invention discloses a test method for the endurance of a photovoltaic component in hot and humid environments. The method comprises the following steps: (1) performing outdoor exposing on the photovoltaic component to be tested, which is in the state of an open circuit; (2) exposing the photovoltaic component to be tested, which is exposed outdoors with ultraviolet light; (3) connecting the photovoltaic component to be tested, which is exposed with the ultraviolet light in a short-circuit manner, and testing the salt-spray corrosion of the photovoltaic component to be tested, which is in a short-circuit state; (4) testing the condensation humid of the photovoltaic component to be tested, on which the salt-spray corrosion test is performed; (5) testing an STH combined environment of the photovoltaic component to be tested, on which the condensation humid test is performed. The test method uses the true reaction service environment condition as the purpose, the illumination is introduced, besides, factors like seasons change and diurnal change are considered, and the light or hot or humid cycle tests are designed; the test method uses the representation the situation that the material is failed as the purpose, and combined tests, such as ultra violet resistance and salt fog corrosion tests are introduced, so that the durability of key materials of the photovoltaic component is checked comprehensively; the insufficiency of the standard test method can be overcome, and the using performance of the photovoltaic component in the long service term under the condition of humid and hot environments can be reflected.

The invention relates to the technical field of mica product processing, in particular to a mica piece with high surface tearing strength and a forming method of the mica piece. The mica piece with high surface tearing strength comprises a main mica piece body, and the main mica piece body is prepared from organic silicon resin and mica slurry. The mica slurry is prepared from the following raw materials in parts by weight: 100 parts of a mica powder composition, 2-8 parts of a reinforcing filler and 80-120 parts of an organic solvent, wherein the reinforcing filler is mainly composed of modified Kevlar fibers; the modified Kevlar fibers are vertically distributed in the main mica piece body; the modified Kevlar fiber is composed of a Kevlar fiber and a modified coating which coats the outer wall of the Kevlar fiber; and the specification of the Kevlar fiber ranges from 100 D to 300 D, and the length of the Kevlar fiber ranges from 0.1 mm to 1.0 mm. In the tearing process of release paper on a double-sided adhesive tape, the surface of the mica product is not prone to being damaged, and the quality of the mica product is good.

The invention discloses a granulating and screening machine for feed production. The granulating and screening machine comprises a charging device, a conditioning mechanism, a granulating box and a screening box, wherein a charging opening is formed in the upper end of the charging device, a first rotating shaft is arranged in the conditioning mechanism, stirring paddles distributed in arrays arearranged on the first rotating shaft, water filling pipes distributed in arrays are arranged on the conditioning mechanism on the left and right sides of the stirring paddles, a squeezing plate is arranged in the granulating box, a granulating plate is arranged in the granulating box on the right side of the squeezing plate, a cutting device is arranged on the granulating box on the right side ofthe granulating plate, a charging pipe is arranged on the upper end of the screening box, a screening plate is arranged in the screening box on the lower side of the charging pipe, and a discharging pipe is arranged on the screening box on the right side of the screening plate. According to the granulating and screening machine for feed production disclosed by the invention, the contact area between water and feed is large, the conditioning effect is good, the conditioning mechanism is provided with vertical conditioning for solving the problems of insufficient stirring and water addition anddifficulty in discharging of a transverse conditioning mechanism, the granulating efficiency is high, and the feed granulating quality is high.

The invention relates to a method and device for efficiently removing organic matters in sewage by using periphyton. The method comprises the following steps: (1) design of spiral periphyton reactor; (2) spiral pipe pretreatment; (3) fixation process of periphyton; (4) design of periphyton treatment system; (5) design of integrated spiral periphyton reaction system; and (6) control of key environmental conditions. The device used by the method is an integrated spiral periphyton reaction system. The adsorption, absorption, biodegradation and other mechanisms of the periphyton are utilized and combined with the traditional precipitation and filtration processes to form the integrated spiral periphyton reactor. The device has the characteristics of high efficiency, small occupied area and high economic and environmental efficiency when being used for purifying organic pollutants in sewage or low-concentration low-C / N-ratio sewage.