62results about How to "Help pass" patented technology

The invention discloses a rod-shaped traditional Chinese medicinal material crushing and grinding machine, which comprises a machine case, a feed inlet, a blade, a fixed plate, a discharge port, a collection box and feet; a left roller and a right roller are arranged inside the feed inlet, and the The upper surface is fixedly connected with a crushing motor, and the shaft extension end of the crushing motor is fixedly connected with a rotating shaft. Blades and crushing blades are installed on the rotating shaft. A first sieve plate is arranged under the crushing blades, and a worm gear is set at the end of the rotating shaft. There is a worm screw under the plate, a cam is set on the worm screw, a second sieve plate is set under the first sieve plate, a bracket is set above the second sieve plate, and a fixed plate is fixedly connected to the side wall of the cabinet. A grinding motor is installed on the side wall, and the feeding motor drives the rod-shaped Chinese herbal medicines to move downwards. The blades are used to slice the Chinese herbal medicines. During the crushing process, the first sieve plate vibrates up and down, which is beneficial for the broken pieces of Chinese herbal medicines to pass through the first sieve plate; The crushing and grinding process is carried out synchronously, which improves the working efficiency.

The invention relates to a ligament-bone composite scaffold with a biomimetic connecting interface and a forming method thereof. The forming method comprises the following steps: firstly simulating a natural ligament-bone interface structure and utilizing a rapid forming technology to manufacture a resin negative type of a bone scaffold model with a fiber connecting structure; pouring a bone scaffold material solution into the resin negative type, and performing freeze-drying and high-temperature sintering to manufacture a bone scaffold with an internal communication pipeline and the fiber connecting structure; then primarily connecting ligament fiber with the fiber connecting structure of the bone scaffold, and fixing a die used for manufacturing of a biomimetic interface with a ligament-bone scaffold formed by primary connection; pouring the ligament material composite solution with the bone scaffold material in various changes of concentration into the interface of the ligament and the bone scaffold as secondary connection; and performing freeze-drying and removing the die, so as to obtain the ligament-bone composite scaffold with the biomimetic interface. According to the invention, the transmission of nutrients and metabolites is facilitated, the connecting strength of the ligament-bone composite scaffold is improved, and the ingrowth of cells after implantation is facilitated.

The invention relates to a microwave-assisted aqueous two-phase extraction method for separating kudzu root total flavone, which comprises the following steps: 1) preparation of an aqueous two-phase system: taking an inorganic salt, adding water to dissolve the inorganic salt, and adding an organic solvent to obtain a aqueous two-phase extractant; and 2) microwave-assisted aqueous two-phase extraction: adding kudzu root powder into the aqueous two-phase extractant obtained in the step 1), carrying out microwave-assisted extraction, and carrying out vacuum filtration to obtain an obvious phase-separated kudzu root flavone extracting solution. Compared with the prior art, the method provided by the invention has the following advantages: (1) the method is simple to operate and does not need to wait for phase separation; 2) the process is integrated; 3) the extraction process is quick and efficient; 4) the extraction solvent is low in toxicity; 5) the interfacial tension is small, thereby being beneficial to mass transfer between the two phases; 6) abundant impurities can be removed along with solid matters, thereby being beneficial to purifying the sample; and 7) the extraction method does not have obvious scale-up effect, can easily implement technique amplification and continuous operation, and can be directly connected with the subsequent purification procedure without special treatment.

The invention belongs to the technical field of the energy and chemical industry and particularly relates to a nickel-based steam reforming catalyst for biomass tar and a preparation and application method of the catalyst. The catalyst adopts low-cost brown coal as a carrier and comprises the following components by weight percent: 23-25% of Ni, 64.26-66.26% of C, 6.06% of O and 6% of impurity elements. The catalyst is prepared by adopting the cooperation of an ion exchange method and an impregnation method. The catalyst has the good activity and economy, the brown coal is low in cost and large in specific surface area, after being washed by sodium hydroxide, micropores of the brown coal become mesopores and macropores, so that macromolecular compounds of the tar are relatively easy to pass; simultaneously, a relatively large quantity of new through holes are also formed in the brown coal; in the process of catalytic reformation of the tar, a relatively large quantity of effective pore channels are formed, so that the efficiency for reforming the biomass tar is relatively high; the carbon deposited amount of the catalyst and the carbon consumption amount of catalyst carrier carbon can form dynamic balance, so that the service life of the catalyst is prolonged and the catalyst is not easily inactivated.

The invention relates to the field of heat dissipation, in particular to a micro-channel radiator, integrated manufacturing and an application of the micro-channel radiator in a control array antenna.The radiator is manufactured through 3D printing. Through a fluid channel which is distributed in a gradually changed manner and a liquid injection port and a liquid outlet which are respectively formed at the biggest end and the smallest end of the flow channel, cooling liquid uniformly passes through the whole fluid channel. When the radiator is in use, the highest temperature of the radiator is 298K, the lowest temperature of the radiator is 295K, and the temperature difference after heat dissipation is 3 DEG C. Compared with a pure runner structure, the radiator is stronger in heat dissipation capability and more uniform in temperature distribution after heat dissipation, and has the characteristics of good heat dissipation performance and temperature uniformity, one-time forming, noneed of using a nut sealing ring and the like for packaging.

The invention relates to a Nafion / sulfonated SiO2 molecular sieve composite proton exchange membrane and a preparation method thereof. the proton exchange membrane takes Nafion alcoholic solution and a sulfonated SiO2 molecular sieve as main raw materials. The preparation method comprises the following steps: distilling the raw materials for removing low-boiling alcohol by a solvent replacement method under reduced pressure to obtain Nafion-DMF solution; proportionally mixing the sulfonated SiO2 molecular sieve with the Nafion-DMF solution and evenly dispersing the obtained mixed solution; keeping standing and defoaming to obtain milky casting solution; and membrane-casting in a clear and flat glass culture ware to obtain the Nafion / sulfonated SiO2 molecular sieve composite membrane after thermal treatment. The thickness of the composite membrane is 45-55mum, wherein, the content of the sulfonated SiO2 molecular sieve is 1-15%, preferably 1-10%; and the composite membrane has the characteristics of low methanol transmittance and high proton conductivity.

The invention discloses a system and a method by utilizing a fuel cell to treat organic wastewater and synchronously repair heavy metal in soil. The system comprises a microbiological fuel cell, a data acquisition regulation and control device and a soil electrodynamic remediation device. One end of the data acquisition regulation and control device is connected with an anode unit and a cathode unit through lead wires correspondingly; the other end of the data acquisition regulation and control device is connected with a negative electron and a positive electrode through lead wires correspondingly; and the data acquisition regulation and control device is used for acquiring a voltage signal generated by the microbiological fuel cell and for regulating and controlling the magnitude of electric current received by the soil electrodynamic remediation device. By utilizing the microbiological fuel cell to treat organic wastewater, wastewater is treated, and electric energy is generated to remove the heavy metal in the soil; the system and the method do not damage a soil structure and the organic content in the soil is not affected; and at the same time, the data acquisition regulation and control device is adopted, so that the electric energy utilization efficiency of the microbiological fuel cell is improved effectively and the removal rate of the heavy metal in the soil is reduced.

The invention relates to a digital audio conference centre management system, belonging to the technical field of information management. A control processing unit is used for controlling the volume and the tone of other audio modules; a control interface module is used as an interface for audio input, audio output and network communication for the control processing unit; a microphone input module is used for amplifying a signal input by a microphone and outputting the amplified signal to an audio matrix output module; a conference unit is used for receiving audio information of speech, vote, signing-in, and the like of delegates; a speech unit interface module is used for receiving the audio information input by the conference unit, controlling signal communication and transmission amplification of the audio information and transmitting the amplified information to the audio matrix output module; an audio input module is used for transmitting the audio signal of peripheral equipment to the audio matrix output module; and the audio matrix output module is used for receiving the audio information, realizing matrix switch output and amplifying the signal to peripheral power amplifier equipment. The invention has the characteristics of shared information, convenient inquiring and easy maintenance.

The present invention relates to a compound microbial agent for ecological restoration and belongs to the technical field of microorganisms. The compound microbial agent comprises microbial flora, algae, microbial promoters and biological enzymes; wherein the microbial flora comprises photosynthetic bacteria, yeasts, heterotrophic aerobic bacteria, pseudomonas stutzeri, nitrobacter winogradsky, nitrococcus and denitrifying bacillus; the algae comprises chlorella pyrenoidosa, chlorella ellipsoidea and spirulina maxima; the microbial promoters comprise sodium bicarbonate, potassium chloride, magnesium sulfate, ferric sulfate, calcium nitrate, isomalt oligosaccharide, fructooligosaccharide, inulin and xylooligosaccharide; and the biological enzymes are one or more of cellulase, protease, amylase, pectinase and lipase. The compound microbial agent can be applied to a variety of water body environments, removes a variety of pollutants, at the same time has advantages of good pollutant removal effect and quick effect, and has great potential for promotion and application.

The invention discloses a mechanical gripper, comprising an annular rack, grabbing assemblies supported on the annular rack to grab or release a workpiece, and a driving assembly supported on the annular rack to drive the grabbing assembly to finish the actions of grabbing or releasing, wherein two sets of grabbing assemblies are arranged, and each set of grabbing assembly comprises four jaws rotatably arranged on the annular rack, and the distance between every two adjacent jaws is the same and every two adjacent jaws can be in transmission connection with each other, and free ends of the jaws are bent towards the center of the annular rack; the driving assembly is connected with one of the jaws in each set of grabbing assembly. The gripper is able to grip a circular part.

The invention relates to a composite connection type hydraulic knife handle. The composite connection type hydraulic knife handle comprises a main knife handle body and an elastic thin-wall inner ringarranged in the main knife handle body, wherein a hydraulic oil cavity is arranged between the main knife handle body and the elastic thin-wall inner ring; the elastic thin-wall inner ring is arranged as a barrel thin-wall structure with two thick ends and a thin middle part; and the side outer rings of the two ends of the elastic thin-wall inner ring make contact with the support surfaces of inner holes of the main knife handle body. The main knife handle body and the elastic thin-wall inner ring are fixed in a manner of combining brazed connection and interference fit connection, the effectof stress on the connection performance of the main knife handle body and the elastic thin-wall inner ring is reduced, the joint of the main knife handle body and the elastic thin-wall inner ring isprevented from tear under the high pressure state, and therefore the service life of the hydraulic knife handle is prolonged. Meanwhile, by improving the structure of a piston rod and the structure ofa piston sleeve, the piston sleeve is quickly maintained, the overall sealing performance of a hydraulic access is improved, and the overall strength of the hydraulic knife handle is improved.

The invention relates to a heat dissipation placemat for thermoelectric power generation. The heat dissipation placemat for thermoelectric power generation comprises a thermoelectric power generation device, a heat dissipation device, a metal hose, a storage battery, a motor and a fan, wherein the low-temperature side of the thermoelectric power generation device is connected with the heat dissipation device; the power supply output end of the thermoelectric power generation device is connected with the storage battery through a first electric wire; the upper end of the storage battery is connected with one end of the metal hose; the other end of the metal hose is connected with the motor and supports the motor; the storage battery is connected with the motor through a second electric wire arranged in the metal hose; the output shaft of the motor is connected with the fan; a USB port capable of being externally connected with a charge device is further arranged on the side surface away from the heat dissipation device, of the storage battery. The heat dissipation placemat for thermoelectric power generation disclosed by the invention has the following beneficial effects: electric energy can be generated through the thermoelectric power generation device and stored in the storage battery, and output by the externally-connected charge device of the USB port while being used by the motor for linking with the fan and running to accelerate heat dissipation; the heat dissipation placemat for thermoelectric power generation is simple in structure, convenient to operate, and high in practicability.

The invention relates to a heat radiation device of a display device. The heat radiation device of the display device comprises an image source shell and a display device shell, wherein at least one side surface of the image source shell is an image source shell heat radiation plane, the display device shell is provided with a display device shell heat radiation plane corresponding to the image source shell heat radiation plane, and the heat radiation device of the display device also comprises a heat radiator, the heat radiator comprises a first heat radiation plate which is connected with the image source shell heat radiation plane in parallel in a heat conduction manner and a second heat radiation plate which is connected with the display device shell heat radiation plane in parallel in a heat conduction manner, and the first heat radiation plate and the second heat radiation plate are respectively of an integral structure. The image source shell heat radiation plane and the display device shell heat radiation plane are connected in parallel in a heat conduction manner by virtue of the heat radiator, so that the contact heat resistance of the image source shell and the display device shell is reduced, the heat of the image source shell can be transferred to the display device shell, and the temperature of an image source is further decreased.

The invention belongs to the technical field of power cables and relates to an automatic mold opening and closing mechanism for the rubber coating and spraying of a high-voltage electrified overhead bare conductor robot. The mechanism comprises a fixed base with a hinged lower portion and an opening-shaped upper portion, arc-shaped clamping arms fixedly installed on the two sides of the fixed base, and arc-shaped injection molding pressing rings fixedly connected with the clamping arms respectively. A plurality of injection molding holes are uniformly formed in the injection molding pressing rings. A through hole is formed in the middle of the fixed base. A cam is movably installed in the through hole. A connecting rod is fixedly installed on the cam. Two rocking handles are fixedly installed at the free end of the connecting rod. Clamping blocks with grooves formed in the middles thereof are fixedly installed on the inner sides of the clamping arms respectively. According to the invention, the problem that a cable fixing device in the prior art is not suitable for an operator to open, close and fix a bare conductor on the ground is solved.

The invention discloses an ovarian-cancer-targeted polypeptide. The polypeptide is screened from a tumor model of ovarian cancer by using phage display peptide library technology and the amino acid sequence of the polypeptide is WSGPGVWGASUK. Identification proves that the polypeptide can distinguish ovarian cancer cells from normal cells and ovarian cancer cells from other cancer cells, and thus can be combined with ovarian cancer cells specifically and be effectively internalized by the ovarian cancer cells. Serving as a medicine carrier, the polypeptide can improve the absorption of medicines. After being injected into the tumor model through vines, the polypeptide can be enriched in the tumor area of the ovarian cancer. The polypeptide is a totally new polypeptide with invivo targeting capacity proved, and the polypeptide can be used as an ideal ligand to construct a targeting carrier for transmitting anticancer medicines.

The invention belongs to the technical field of the energy and chemical industry and particularly relates to a nickel-based steam reforming catalyst for biomass tar and a preparation and application method of the catalyst. The catalyst adopts low-cost brown coal as a carrier and comprises the following components by weight percent: 23-25% of Ni, 64.26-66.26% of C, 6.06% of O and 6% of impurity elements. The catalyst is prepared by adopting the cooperation of an ion exchange method and an impregnation method. The catalyst has the good activity and economy, the brown coal is low in cost and large in specific surface area, after being washed by sodium hydroxide, micropores of the brown coal become mesopores and macropores, so that macromolecular compounds of the tar are relatively easy to pass; simultaneously, a relatively large quantity of new through holes are also formed in the brown coal; in the process of catalytic reformation of the tar, a relatively large quantity of effective pore channels are formed, so that the efficiency for reforming the biomass tar is relatively high; the carbon deposited amount of the catalyst and the carbon consumption amount of catalyst carrier carbon can form dynamic balance, so that the service life of the catalyst is prolonged and the catalyst is not easily inactivated.

The invention discloses collagen-based self-healing hydrogel and a preparation method thereof. The method comprises the following steps: uniformly mixing a collagen solution and a mixed solution of guar gum and dialdehyde guar gum, adding a borax solution, stirring and mixing, and performing vacuum defoaming, so as to obtain the collagen-based self-healing hydrogel. A feasible approach and a novelthought are provided for the preparation of the collagen-based self-healing hydrogel through the scheme. In addition, the self-healing hydrogel can properly meet the requirement of injectable hydrogel, and structures damaged during injection can be reconstructed in organisms; moreover, the self-healing hydrogel as a three-dimensional cell culture carrier has unique superiorities, can properly simulate cell living environment, is beneficial to transfer of contact information among cells and to realizing of coculture of various and multi-layer cells.

The invention discloses an annealing furnace internally heated uniformly and externally insulated, and belongs to the technical field of heat treatment equipment. The annealing furnace comprises a box body, the inner wall of the box body is provided with a sliding groove, the box body is internally and fixedly provided with a bearing device, the exterior of the bearing device is provided with a heating device, the inner wall of the heating device is movably connected with the outer wall of the bearing device, a rotating ring is arranged in the heating device, one end of a connecting plate is fixedly connected with the outer wall of the rotating ring, a sliding column is arranged at the other end of the connecting plate, the outer wall of the sliding column is slidably connected with the inner wall of the sliding groove, a mounting block is fixedly mounted at the end, away from the sliding groove, of the connecting plate, and a fixing protruding block is fixedly connected to the outer wall of the mounting block. According to the annealing furnace internally heated uniformly and externally insulated, a workpiece can be uniformly heated in the box body through the heating device, the quality of the workpiece is improved, a circulation device can accelerate flowing of air in the box body, heat transfer in the heating process is promoted, and uniform heating of the workpiece is facilitated.

The invention discloses a gas hydrate accelerant based on nanoparticles and a Gemini surfactant and application of the gas hydrate accelerant. According to the gas hydrate accelerant based on nanoparticles and a Gemini surfactant, the gas hydrate accelerant is formed by immobilizing nano Fe3O4 and an emulsifier on the surface of polystyrene based on emulsion polymerization reaction under an anaerobic operation condition by taking styrene as a monomer, deionized water as a solvent, peroxide as an initiator and the Gemini surfactant as the emulsifier. According to the gas hydrate accelerant provided by the invention, the Gemini surfactant and the nano Fe3O4 are wrapped on the surface of the polystyrene sphere, so that the heat and mass transfer rate can be improved, and the gas storage capacity cannot be reduced due to the fact that the Fe3O4 immobilized on the surface of a polymer occupies the position originally belonging to a single-chain surfactant SDS.

The invention discloses a vertical aerobic composting reactor and a use method thereof. The vertical aerobic composting reactor comprises a reactor device and a feeding device installed at the upper end of the reactor device, a lifting feeding device for supplying materials to the feeding device is distributed on one side of the feeding device, a lifting hopper supplies materials through a material conveying device horizontally distributed below the lifting feeding device, and an auger feeding device for preliminary feeding is installed at the outer end of the material conveying device; the reactor device comprises a hollow cylindrical reaction tank which is vertically arranged, and the discharging device comprises a hollow cylindrical discharging barrel. According to the invention, from the step of mixing compost initial materials in proportion to the step of putting the mixed materials into the material conveying device, the mixed materials are conveyed into the feeding device from the material conveying device by the lifting feeding device, all the materials are designed to be of a closed structure, discharged odor and harmful gas are directly treated by the odor treatment device, and meanwhile, the feeding process is automatic. The discharging device discharges the lowermost layer of materials in a downward moving mode through the material plate, layered discharging can beachieved, and the situation that the composting state is disordered is avoided.

The invention discloses a high-toughness flame-retardant polypropylene material and a preparation method thereof. The preparation method comprises the following steps of: preparing modified isotacticpolypropylene with good impact toughness, flame retardancy and heat resistance by using isotactic polyethylene fibers, hexahydroxymethylaminotristritrientriene, and temperature-resistant toughening filler, obtaining a compact fiber net with good adhesive force, compatibility, ultraviolet ray resistance and flame retardancy through the melt spinning of the modified isotactic polypropylene, a sisalfiber composite light stabilizer loaded with FeTiO3 / titanium dioxide, and an adhesion promoter, carrying out infiltration and hot pressing on the compact fiber net in an ester-soluble chlorinated polypropylene resin solution, and discharging to obtain the polypropylene material. On the basis of maintaining the good toughness and flame retardance, the dust removal and sterilization efficiency of the obtained polypropylene material is greatly improved; and an automobile lining prepared by the polypropylene material is not easy to crack and wrinkle under the condition of long-term illumination and rain.

The invention discloses a nano CuO / GO / BiVO4 heterogeneous heterojunction photocatalyst as well as a preparation method and application of the nano CuO / GO / BiVO4 heterogeneous heterojunction photocatalyst. The preparation method comprises the step of loading CuO and graphene oxide (GO) on the surface of BiVO4 to prepare the photocatalyst, and the photocatalyst is an environment-friendly photocatalytic material. The heterogeneous heterojunction photocatalyst has excellent photocatalytic activity, can well absorb ultraviolet light, visible light and the like, is simple in preparation process and has good industrial application prospects, for example, the effect is good when the heterogeneous heterojunction photocatalyst is applied to wastewater treatment with rhodamine B as a main pollutant.

The invention discloses a biological image denoising method based on a double-enhanced residual network, which comprises two sub-networks with the same structure, and each sub-network downscales and upscales features through a coding-decoding hierarchical structure, so that a GPU (Graphic Processing Unit) can generate a larger receptive field; in the encoding process, downsampling is carried out by adopting a convolutional layer to obtain image information, and a residual block is superposed to carry out preliminary extraction on features; in the decoding process, the upsampling feature capability of transposed convolution is utilized, residual dense blocks are superposed, deep features are extracted, and image details are recovered; in the two sub-networks, jump connection is added between a convolutional layer and a transposed convolutional layer, a supervision and attention module and four cross feature fusion modules are connected between the two sub-networks, and the connections are beneficial to transmission of image detail information, deepening of the networks and improvement of recovery performance at the same time.

The present invention belongs to the field of application of microbe in agricultural plant protection. The biological herbicide is batch produced with fungus strain psorosperm anthrax bacteria QZ-97a, purplesteem eupatorium hypnocyst, crab grass hyperbolic spora, common zinnia hypnocyst, etc. and through combined liquid and solid fermentation. During the liquid and solid fermentation, the agricultural product leftover is used as culture medium material, and proper initial temperature is benefit for thallus to obtain nutritive matter and oxygen transmitted and to obtain high conversion rate. Solid fermentation has wider temperature range and easy-to-obtain lighting condition. The process is simple and easy to operate.

The invention discloses a convenient-to-clean environmentally-friendly type incineration furnace with waste heat of garbage incineration utilizable. The incineration furnace comprises a furnace body and an air supply valve. Incineration nets are arranged inside the furnace body, and an air output pipeline is arranged at the upper end of the furnace body. The incineration nets are connected with the furnace body through bolts. A rotary shaft is inset into the upper end of the air output pipeline, and an electromotor is connected to the upper end of the rotary shaft. A connecting shaft is installed at the lower end of the rotary shaft, and connecting rods are fixed to two sides of the connecting shaft. Fixing blocks are arranged at the lower ends of the connecting rods. The fixing blocks arein welded connection with the connecting rods, and the connecting rods are in welded connection with the connecting shaft. According to the convenient-to-clean environmentally-friendly type incinerator with the waste heat of garbage incineration utilizable, the incineration nets are arranged inside the furnace body from up to down; mesh diameters of the incineration nets decrease from up to down;thus classified incineration can be conducted on garbage; garbage with bigger volume is located at the upper end, and garbage with smaller volume is located at the lower end; and heat transfer from down to up is benefited.

The invention discloses a photoelectric energy method for promoting the biological metallurgical leaching rate of microorganisms Ar4. The invention provides an application of photoelectron catalysis or external constant potential electrons in improving a leaching rate of target metal or target metal ions leached from sulfide metal ore by using Metallospharomyces acidophilus sp. Ar4CGMCC NO.3402 ora culture thereof or a fermentation product thereof or a suspension thereof. According to the photoelectric energy method for promoting the biological metallurgical leaching rate of the microorganisms Ar-4, under the catalytic action of simulated photoelectrons, the leaching rate of the M.cuprina Ar4 to copper ions and iron ions in the chalcopyrite is increased, and the good biological metallurgical capacity is achieved.

The invention discloses an adsorption tank applied to the hydrogen peroxide purification process. The adsorption tank comprises a vertically-arranged tank body and is characterized in that a feeding port is formed in the bottom of the tank body, a discharging port is formed in the top of the tank body, multiple resin bed layers are arranged in the tank body from top to bottom, the thickness of each resin bed layer is smaller than or equal to 30 cm, and the spacing distance between every two adjacent resin bed layers is larger than or equal to 5 cm. Under segmentation of the resin bed layers, heat transfer is promoted, and the heat accumulation process is slowed; meanwhile, through the temperature and pressure monitoring measures, operating personnel can monitor the temperature and pressure change conditions of all spaces in the tower in real time and take related measures; due to the fact that the resin bed layers actually divide the tower into multiple independent spaces, and the top and the bottom of the tower are each provided with two rupture disks, the rupture disks act when the equipment pressure exceeds the limit, and therefore equipment damage can be prevented under the certain condition.

The invention relates to a coal gasification wastewater treatment method, which comprises: S1, inoculating anaerobic sludge into wastewater, and adding co-substrate glucose according to a mass ratio of glucose to total phenols in the wastewater of 1:1; and S2, supernatant liquid obtained after the reaction in the S1 is taken, anaerobic sludge is inoculated, zero-valent iron is added, the mass ratio of the zero-valent iron to total phenols in the wastewater before treatment in the S1 is 1:1, the pH is adjusted to 6-8, and gas generated by the reaction is collected. The invention also relates to a coal gasification wastewater treatment device. The coal gasification wastewater treatment device comprises two phases of reactors, namely a reactor I and a reactor II, the reactor II further forms two reaction chambers, sufficient contact of anaerobic granular sludge and zero-valent iron is facilitated, and better direct interspecific electron transfer among anaerobic microorganisms is promoted. The methane yield after coal gasification wastewater treatment can be improved.