162results about How to "Efficient transfer" patented technology

The invention discloses a digital asset generation method based on a block chain, and the method comprises the steps: S1, receiving a request for generating digital assets through a block chain network, and verifying the legality of the request; s2, based on the verification result, generating digital assets on the distributed account book and encrypting the digital assets to confirm the right; and S3, automatically executing an asset transfer process based on the smart contract. According to the block chain-based digital asset generation method, the security and credibility of digital assets are enhanced, the transparency and traceability are improved, efficient asset transfer is realized, the flexibility and expansibility of asset management are improved, the risk of ownership confirmation and disputes is reduced, and the security and reliability of the digital assets are improved. The wide application and popularization of the block chain technology are promoted, and the problems of how to improve the transaction confirmation speed and reduce the processing delay on the premise of not sacrificing the security and the problem that the technical difficulties hinder the wide popularization and implementation of the block chain in large-scale application are solved.

The invention discloses a high-density liquid cooling server and a server cabinet system, and relates to the technical field of liquid cooling servers, the server cabinet system comprises an equipment cabinet, an assembly plate is mounted in the equipment cabinet, a circulating pump is mounted above the assembly plate, two sides of the circulating pump symmetrically communicate with liquid cooling pipelines, the front side of the circulating pump communicates with a liquid storage tank, and the front side of the liquid storage tank communicates with a liquid storage tank. A strain constant-temperature mechanism is arranged on the front side of the assembly plate and used for flexibly conducting heat dissipation treatment on the assembly plate, and the cold liquid regulation and control mechanism is used for enabling cooling liquid to generate a spiral flowing track in the flowing process. Targeted heat dissipation management of a high-temperature area is achieved, when it is detected that the temperature of a specific area is abnormally increased, the circulation paths of cooling liquid in the upper area and the lower area can be synchronously adjusted in time according to the change of temperature increase, and the circulation area of a channel is reduced by dynamically adjusting and distributing the flow of the cooling liquid and combining temperature flexibility.

The invention provides a preparation method of a TiO2 / Au-C3N4 heterojunction photoelectrochemical biosensor and an application of the TiO2 / Au-C3N4 heterojunction photoelectrochemical biosensor. Comprising the following steps: step 1, preparing TiO2 / FTO; step 2, preparation of TiO2 / Au-C3N4 (titanium dioxide / Au-C3N4); step 3, preparing a nucleic acid aptamer; and step 4, using the confining liquid mercaptohexanol. The preparation method comprises the following steps: firstly, preparing a TiO2 thin film by an electrophoretic deposition method, and then combining the TiO2 thin film with graphite phase carbon nitride (g-C3N4) doped with high-conductivity noble metal gold nanoparticles (Au NPs) to form a heterojunction; under an illumination condition, Au NPs and photons interact to generate a regional surface plasma resonance phenomenon, and a strong electromagnetic field and high-concentration high-energy carriers are formed on the surface of the nano structure in the process, so that the photocurrent response of the composite material is remarkably enhanced; besides, the introduced Au NPs can also form an Au-S bond with the DNA aptamer containing the-SH group, and more binding sites are provided, so that the capture capability of the aptamer is enhanced.

The invention relates to a single cell capturing method, which comprises the following steps that a single cell to be captured is injected into a micro-fluidic chip containing a micropore coupling micro-cavity through fluid, the chip comprises a base material and a main channel arranged on the base material, the surface of the main channel is provided with a plurality of micropores and micro-cavities corresponding to the micropores, and the micro-cavities are communicated with the main channel; after the main channel is filled with the fluid, the fluid in the main channel is kept static, so that the single cells fall into the micropores under the action of gravity; after the single cells are captured by the micropores, the fluid is introduced again to discharge the uncaptured single cells; and the chip is overturned and inclined after being discharged, so that the single cells enter the micro-cavity. The technical problems that in the prior art, single cell capture efficiency is low, capture precision is insufficient, complex external equipment is needed for control, and single cell capture, culture and the like cannot be completed in the same chip are solved.

The invention relates to the technical field of medical equipment, in particular to a drug delivery device. The invention provides a drug delivery device. The drug delivery device comprises an outer tube, an inner tube and a balloon, wherein the inner tube and the balloon are arranged in the outer tube; a pipe cavity is formed between the outer pipe and the inner pipe; the outer tube and the inner tube penetrate through the whole balloon in the axial direction, a plurality of holes are formed in the portion, in the balloon, of the outer tube in the axial direction, a plurality of micropores are formed in the surface of the balloon, and the micropores penetrate through the wall of the balloon. The technical problem that in the prior art, the far-end liquid outlet amount is small is solved.

The invention relates to the technical field of new energy batteries, in particular to a lithium iron phosphate battery module which comprises a bottom plate, an outer shell, an inner shell and a plurality of battery monomers, the outer shell, the inner shell and the plurality of battery monomers are all arranged on the upper surface of the bottom plate, the inner shell is arranged in the outer shell, the plurality of battery monomers are all arranged in the inner shell, and the inner shell is arranged in the bottom plate. The electric kettle further comprises a water cooling mechanism, a stirring mechanism and a heat guiding mechanism, and the inner shell is filled with a phase change material. Through fixed connection of a connecting rod and a plurality of water cooling pipes, in the running process of a new energy automobile, the plurality of water cooling pipes can synchronously move up and down by utilizing inertia, so that stirring of a phase change material in a molten state is realized, heat adsorbed in the phase change material in the molten state can be uniformly distributed, and the heat absorption efficiency of the phase change material in the molten state is improved. And the cooling effect is improved in the flowing process of the cooling liquid in the water cooling pipe.

The invention discloses an integrated wafer pre-adjusting part and a wafer processing device, the integrated wafer pre-adjusting part comprises a first lifting platform, an adjusting mechanism, a detector and a code scanner, and the adjusting mechanism comprises a hook claw, a turntable, a first driving assembly and a second driving assembly; the first driving assembly is matched with the hook claw to move the wafer at the preparation station to the adjusting station, so that the wafer is positioned; the second driving assembly is matched with the turntable to rotate the wafer, so that the detector and the code scanner can confirm the notch position and coding information of the wafer, and edge searching and code scanning of the wafer are realized; the left and right sides of the wafer returning to the preparation station are limited by the slots, and the front and back positions are limited by the output stroke of the first driving assembly, thereby achieving the centering of the wafer. According to the wafer processing device, the wafers are pre-adjusted quickly through the integrated wafer pre-adjusting part, each wafer in the wafer processing device can have a unified and accurate position and posture before processing, and accurate data and a positioning basis are provided for subsequent wafer processing procedures.

The utility model discloses a portable energy storage equipment box which comprises a storage box, and a heat dissipation mechanism and a taking mechanism are arranged on the surface of the storage box. The heat dissipation mechanism comprises heightening supporting legs, an air inlet and an air outlet are formed in the bottom and the top of the storage box respectively, a supporting shell is arranged on the inner side of the storage box, first heat dissipation fins are fixed to the surface of the supporting shell, a plurality of heat conduction pipes are fixed to the inner wall of the storage box, and second heat dissipation fins are fixed to the surfaces of the heat conduction pipes. And the taking mechanism comprises a box cover, the box cover is hinged to the top of the storage box, a mounting plate is arranged in the storage box, movable wheels are fixed to the bottom of the mounting plate, a guide rod is fixed to the inner wall of the storage box, and a sliding block is slidably connected to the surface of the guide rod. The energy storage equipment box has the advantages that effective heat dissipation can be realized without an external power supply, the heat dissipation effect of the battery is improved, and the problem that the heat of the battery is inconvenient to dissipate in the conventional energy storage equipment box is solved.

The invention relates to the technical field of pepper picking, and discloses a picking device of an unmanned pepper picking machine, which comprises a vehicle body, the top of the vehicle body is fixedly connected with a square frame, the inner side of the square frame is provided with an electric turntable, and the top of the electric turntable is provided with a connecting arm I; and a third electric telescopic rod is rotationally installed on the outer side of the first connecting arm, a second connecting arm is rotationally installed at the output end of the third electric telescopic rod, a fixing plate is installed at the tail end of the second connecting arm through an electric rotating shaft, and two driving rods are connected to the inner side of the fixing plate through rotating shafts. And through the design of the automatic picking assembly and multi-range flexible movement, the efficiency and precision of pepper picking can be remarkably improved. According to the picking structure, the working posture can be automatically adjusted according to different Chinese prickly ash tree shapes and growing environments, dependence on manual labor is reduced through automatic control, and the phenomena of mistaken picking, missing picking and damage in manual operation are avoided.

The invention relates to environment-friendly water-based poly-carbon printing resin slurry as well as a preparation method and application thereof. The environment-friendly water-based poly-carbon printing resin slurry is prepared from the following components in parts by weight: 100 parts of water-based poly-carbon printing resin, 1-10 parts of water-based color paste and 0.6-1.5 parts of a crosslinking curing agent, the cross-linking curing agent comprises a water-based blocked aliphatic polyisocyanate cross-linking agent and a hydrophilic modified isocyanate curing agent. The environment-friendly water-based polycarbonate printing resin slurry provided by the invention has better bonding performance with a synthetic leather base material, can be comparable with a solvent type resin printing slurry, has better environment-friendly performance and is odorless, printed patterns can meet the hydrolysis resistance requirement for 5-7 years, and the color of the leather surface printing resin is not discolored at constant temperature and humidity (70 DEG C * 95% RH * 5W).

The invention discloses a voice style conversion method, and the method comprises the steps: obtaining a voice data set which comprises a source voice and a target voice; performing feature extraction on the source voice and the target voice to obtain a first Mel spectrum and a second Mel spectrum; performing content feature extraction on the first Mel spectrum through a preset content encoder to obtain content features; performing down-sampling processing on the phoneme sequence aligned with the content features to obtain a hidden state sequence; performing style feature extraction on the second Mel spectrum through a preset style encoder to obtain style features; performing alignment embedding on the style features and the hidden state sequence to obtain target style features; and determining a voice conversion result according to the hidden state sequence and the target style feature. According to the method, the phoneme sequence aligned with the content features is subjected to down-sampling, so that the problem that noise frames exist is solved. By performing alignment embedding on the style characteristics and the hidden state sequence, other styles except timbre are effectively transferred.

The invention provides a method for producing methane by sludge anaerobic digestion based on direct interspecific electron transfer, which comprises the following steps: adding a conductive material into sludge, and carrying out anaerobic digestion reaction under stirring; the conductive material is an SC / FeS composite material. According to the invention, the SC / FeS composite material is added into the sludge as a conductive material, and the SC has good biocompatibility and rapid mass transfer capability and electron transfer capability; according to the present invention, the anaerobic digestion efficiency of the microorganisms can be improved by using the activated carbon and the ferrous sulfide FeS particles with good conductivity, the wastewater treatment resource utilization can be achieved, and the methane yield can be improved by 1.2-3.75 times;

The invention discloses a naphthalenone derivative and an electroluminescent device based on the naphthalenone derivative, and belongs to the technical field of organic luminescent materials and semiconductors. The naphthalene benzophenone derivative is used as a bipolar main body material to be applied to a luminescent layer of an OLED (Organic Light Emitting Diode) device, and a relatively wide carrier recombination region can be formed while holes and electrons are effectively balanced, so that the luminous efficiency of the electroluminescent device is greatly improved, the starting voltage and the energy consumption are reduced, and the service life of the electroluminescent device is prolonged.

The invention provides a preparation method, a product and application of a flower-shaped carbon-based Mn-doped NiCoP thin film electrode material, and belongs to the technical field of electrochemistry. According to the flower-shaped carbon-based Mn-doped NiCoP thin film electrode material, a three-dimensional walnut shell derived porous carbon-based Mn-doped NiCo precursor is deposited and prepared on a growth substrate through a hydrothermal deposition method, then the three-dimensional walnut shell derived porous carbon-based Mn-doped NiCo precursor is subjected to phosphorization through a gas-solid reaction method, and WSC-N / O and Mn elements are introduced in the preparation process. Compared with the prior art, the preparation method has the advantages that the electrochemical activity and the electronic conductivity are enhanced, so that rapid transmission of electrons is realized, the electrochemical performance of the electrode material is improved, and the electrode material is further applied to preparation of high-performance supercapacitors and aqueous zinc ion batteries and shows excellent energy density. The electrode material provided by the invention provides a new method for designing and manufacturing a high-performance energy storage device.

The invention relates to the field of new energy materials, in particular to a preparation method of a bimetallic hole transport layer composite photo-anode, a product and application of the product in solar-driven photoelectrochemical desalination. The preparation method of the bimetallic hole transport layer composite photo-anode comprises the following steps: dissolving 2-methylimidazole, a Co source, a Ni source and polyvinylpyrrolidone in water to prepare a Ni-Co-MOF precursor solution; a BiVO4 thin film is soaked in the Ni-Co-MOF precursor solution to be subjected to in-situ growth, and Ni-Co-MOF / BiVO4 is obtained; and the Ni-Co-MOF / BiVO4 is calcined to obtain the bimetal hole transport layer composite photoanode. Through loading of the Ni-Co bimetallic hole transport layer, photocorrosion of the composite photo-anode is efficiently protected, effective separation and transfer of photo-generated electron-hole pairs of the photo-anode are achieved, and the photoelectric conversion efficiency and the photoelectric desalination performance are remarkably improved.

The invention relates to the technical field of sodium-ion battery negative electrode material preparation, and discloses sulfur-doped corn silk porous carbon as well as a preparation method and application thereof. The invention relates to a preparation method of sulfur-doped corn silk porous carbon, which comprises the following steps: washing, drying and crushing corn silk as a carbon source, and carrying out pre-carbonization treatment to obtain a precursor A; carrying out ball milling on the precursor A to obtain a precursor B; mixing and stirring the precursor B and hydrochloric acid, washing with ultrapure water to be neutral, and drying to obtain a precursor C; fully grinding the precursor C and sulfate, performing high-temperature treatment, taking out, performing ultrasonic treatment with hydrochloric acid, washing with ultrapure water to be neutral, and drying to obtain the sulfur-doped corn silk porous carbon. The sulfur-doped corn silk porous carbon is simple in process and low in cost, and can be applied to a sodium-ion battery as a sodium-ion battery negative electrode material, so that the sodium-ion battery has excellent performances such as high capacity and high rate.

The invention relates to the technical field of electro-catalysis, in particular to transition metal phosphorus sulfide and a preparation method and application thereof. The invention provides a preparation method of transition metal phosphorus sulfide, which comprises the following steps: mixing transition metal, phosphorus and sulfur to obtain a mixture; and carrying out vacuum sintering on the mixture to obtain the transition metal phosphorus sulfide. According to the preparation method, the transition metal phosphorus sulfide is successfully prepared, the transition metal phosphorus sulfide has excellent urea electro-catalysis performance, and more efficient electro-catalysis urea oxidation can be achieved to assist water electrolysis for hydrogen production.

The invention discloses an infrared heat pump drying machine, which comprises a drying chamber, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps and a plurality of infrared heat pumps, and is characterized in that the infrared heat pumps are arranged on the infrared heat pumps; the heat pump drying system comprises a heat pump drying outer box, an evaporator, a compressor and a condenser, the evaporator, the compressor and the condenser are arranged in the heat pump drying outer box, humid air in the drying chamber enters the heat pump drying outer box through an air outlet and an air return pipe, and the humid air is conveyed back to the drying chamber through an air supply pipe and an air supply outlet after being dried, dehydrated and heated by a heat pump; and the infrared drying system comprises a pair of infrared drying racks and a pair of carbon fiber infrared radiant panel groups. The invention further discloses an infrared heat pump drying method. Infrared drying and heat pump drying can be combined for use, the rapid heating characteristic of infrared rays can be utilized, heat can be recycled through a heat pump system, and the dual purposes of energy conservation and high efficiency are achieved.

The utility model provides a cosmetic packaging bottle cleaning device, and belongs to the technical field of packaging bottle cleaning. The cosmetic packaging bottle cleaning device comprises a groove seat and a groove cover, conical spraying seats are arranged on the groove seat in an array mode, sleeves are arranged on the groove cover in an array mode, bottle bodies are clamped between the sleeves and the spraying seats, the bottle bodies are inversely buckled on the spraying seats, nozzles are arranged in the spraying seats, the nozzles point to one sides of the bottle bodies, and the spraying seats are arranged on the groove cover. The sleeve is communicated with a water supply mechanism and a negative pressure mechanism, and the water supply mechanism is communicated with the nozzle. In the application, the negative pressure mechanism is used for implementing negative pressure adsorption on all bottle bodies through the sleeve on the tank cover, efficient overall loading, unloading and transferring are realized, the bottle bodies are inversely buckled on the spraying seat, and the bottle bodies are driven to rotate by utilizing water spraying from top to bottom of the spraying seat and the sleeve and water flow, so that cleaning dead angles are reduced, and the cleaning effect is improved.

The utility model relates to an emulsion batching device with thermal circulation, which comprises a main shell for constructing a stirring space, and a feeding pipe and an output pipe are respectively arranged at the axial upper end and the axial lower end of the main shell. The main shell is provided with a stirring assembly extending into a shell cavity of the main shell in a mode of penetrating through a cover body at the axial upper end of the main shell, the feeding pipe and the output pipe are provided with a preheating assembly and a heat transfer assembly respectively, and the preheating assembly and the heat transfer assembly are connected through a connecting pipe to form a circulating pipeline; the heat transfer assembly is used for inlaying a heat transfer plate on the side wall of the output pipe in a manner of continuously changing the flowing state of the produced emulsified liquid in the output pipe in a manner of being matched with the output pipe. According to the utility model, the heat carried by the emulsion can be efficiently and fully recovered, and meanwhile, the recovered heat is utilized to preheat materials, so that the production energy consumption is reduced, and the production efficiency is improved.

The utility model belongs to the technical field of pot seedling transplanters, and particularly relates to a linkage type seedling taking device of a transplanter, which comprises an upper seat plate, a seedling taking claw support is slidably mounted on the bottom surface of the upper seat plate, a seedling taking claw component is slidably mounted on the seedling taking claw support, and the sliding directions of the seedling taking claw support and the seedling taking claw component are perpendicular to each other. The seedling picking device is characterized in that a support driving air cylinder is installed on the front side of the seedling picking claw support, a swing driving air cylinder is installed at the bottom of the seedling picking claw support, the structure of a driving device is simplified, the power transmission efficiency is improved, the daily maintenance cost is reduced, and the seedling picking device has high environment adaptability.

The utility model provides a pipetting device and a phage display device with the pipetting device, and the pipetting device comprises a first pipetting needle, a second pipetting needle, a first delivery pump, a second delivery pump and a flow path switching valve, the flow path switching valve is provided with a small-flow pipetting flow path and a large-flow pipetting flow path, the small-flow pipetting flow path is communicated with the first delivery pump and the first pipetting needle, the large-flow pipetting flow path is communicated with the second delivery pump, the first pipetting needle and the second pipetting needle, and the flow path switching valve can be controlled to be switched between the small-flow pipetting flow path and the large-flow pipetting flow path; the pumping flow of the second conveying pump is larger than that of the first conveying pump. According to the utility model, a small-flow pipetting flow path can be selected according to corresponding process requirements to ensure accurate pipetting of liquids such as reagents and sample liquids, and a large-flow pipetting flow path can be selected to ensure high-efficiency transfer of the liquids such as the reagents and the sample liquids, so that the operation efficiency is improved.

The present application discloses a kind of synthetic method of 2-chloro-5-phenoxyaniline, including adding 4-chloro-3-nitroanisole, acid, the first organic solvent and metal in a reaction vessel, heating the reaction system to the first target temperature, then insulation reaction, cooling, filtering, drying in turn after the reaction is completed, and obtaining an intermediate product; intermediate product, the second organic solvent, phenol and alkali are added in a reaction vessel, the reaction system is heated to the second target temperature, then insulation reaction, after the reaction is completed, recovery obtains 2-chloro-5-phenoxyaniline. The present application uses 4-chloro-3-nitroanisole as raw material, 4-chloro-3-nitroanisole is subjected to reduction reaction with metal under acidic environment, generates intermediate product 2-chloro-5-methoxyaniline, and then the intermediate product 2-chloro-5-methoxyaniline is subjected to substitution reaction with phenol under alkaline conditions, obtains 2-chloro-5-phenoxyaniline, reaction conditions are mild, organic solvent consumption is less, yield is higher and reaches 86%, process operation is simple, green and environmentally friendly.

The kilowatt-level metal fuel cell stack comprises a cell stack main body, a plurality of groups of first heat conduction plates are fixedly mounted on the outer surfaces of the two sides of the cell stack main body, a circulating water pipe is mounted between heat dissipation frames, and the two ends of the circulating water pipe are connected with the heat dissipation frames respectively. And the liquid outlet and the liquid return port are connected with the liquid storage bin, a circulating pump is arranged at one end of the liquid outlet, a second cooling fin set is installed on the outer surface of one side of the liquid storage bin, and a cooling mechanism is arranged on the outer surface of the second cooling fin set. The cooling liquid is driven by the circulating pump to circularly flow between the cell stack main body and the liquid storage bin, and the system realizes efficient transfer and dissipation of heat. Compared with a traditional natural cooling or air cooling mode, the temperature of the cell stack can be rapidly reduced through water-cooling circulation cooling, and stable operation of the cell stack in a high-power output state is ensured.

The application discloses an electrochemical sensor and a preparation method and application thereof. The electrochemical sensor comprises a three-electrode system composed of a working electrode, a reference electrode and a counter electrode, wherein the working electrode is composed of a base electrode, a molybdenum disulfide nanoparticle modification layer and a polyethylene dioxythiophene layer; the molybdenum disulfide nanoparticles are loaded on the surface of the base electrode through a drop coating method, and the polyethylene dioxythiophene is in-situ loaded on the surface of the molybdenum disulfide nanoparticle modification layer through an electro-polymerization reaction. The electrochemical sensor can be used for detecting lead ions in water bodies, has the advantages of simple preparation, stable performance, suitability for an acidic medium and the like, and is suitable for practical application and popularization.

The application relates to a seam welding packaging device and relates to the technical field of electronic component packaging. The seam welding packaging device comprises a machine shell, a positioning mechanism, a feeding mechanism, a material moving mechanism and a packaging mechanism. The machine shell is provided with a sealed cavity, and the sealed cavity is provided with a mounting seat. The positioning mechanism comprises a positioning table arranged on the mounting seat. The feeding mechanism comprises two feeding assemblies arranged in the sealed cavity. The two feeding assemblies are arranged in the left-right direction at intervals. One of the two feeding assemblies is used for supplying a base body, and the other feeding assembly is used for supplying a cover body. The material moving mechanism comprises two material moving assemblies arranged on the mounting seat. One of the two material moving assemblies is used for moving the base body to the positioning table, and the other material moving assembly is used for moving the cover body to the base body on the positioning table. The packaging mechanism comprises a seam welding machine arranged in the sealed cavity. The seam welding machine is movably arranged, so that the roller electrode of the seam welding machine can roll and press weld the base body and the cover body.

A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The negative electrode includes: a negative electrode current collector including a carbon layer and a silicon layer, the carbon layer including a first porous substrate and a carbon-based material present inside the first porous substrate, and the silicon layer including a second porous substrate and a silicon-based negative electrode active material present inside the second porous substrate; and a negative electrode active material layer disposed on a surface of the negative electrode current collector and including a negative electrode active material.

The invention relates to an interface engineering method of Zn0. 5Cd0. 5S loaded on a high-entropy sulfide cocatalyst and an application of the Zn0. 5Cd0. 5S. According to the method, firstly, a high-entropy sulfide FeCoNiCrAlSx (HES) is synthesized by adopting a solvothermal method, then the high-entropy sulfide HES is introduced into a Zn0. 5Cd0. 5S system through a one-step coprecipitation method, a compact interface is formed between FeCoNiCrAlSx and Zn0. 5Cd0. 5S, and meanwhile, FeCoNiCrAlSx provides abundant active sites. The obtained composite material can promote effective separation and transfer of photo-induced electron holes, the photocatalytic hydrogen production activity of Zn0. 5Cd0. 5S is remarkably improved, and new possibility is provided for designing an efficient and stable non-noble metal photocatalytic system.

The invention is suitable for the technical field of water vapor sampling and flow stabilizing devices, and provides a low-temperature section water vapor sampling and flow stabilizing device and system. The raw material pipeline is arranged in the sampling support; the top position of the raw material pipeline is communicated with a feeding pipeline; a first pump body is arranged on the feeding pipeline; the blanking pipeline is communicated with the bottom position of the raw material pipeline; a sampling mechanism is arranged on the side, away from the raw material pipeline, of the discharging pipeline. The cooling mechanism is arranged outside the raw material pipeline; according to the invention, the temperature stability of water vapor before sampling is ensured, so that the sampling accuracy is greatly improved; the balance steady flow valve ensures that the water vapor flow is constant, no matter how the flow in the raw material pipeline fluctuates, the sampling mechanism can receive the stable water vapor flow, and the sampling precision is further improved; meanwhile, due to the design of the branch material pipe, the sampling process is simplified, the interference of sampling on the whole operation of the system is reduced, the working efficiency is improved, and the reliability and the accuracy of sampling are ensured.

The invention discloses a preparation method and application of a bimetallic loaded coal gasification ash catalyst, and the preparation method comprises the following steps: S1, grinding, screening, washing and drying ash to obtain an ash carrier; s2, adding metal salt into water, and stirring to obtain a precursor solution; s3, adding the ash carrier into the precursor solution, and stirring to obtain a mixed solution; and S4, adding hydroxide into the mixed solution, carrying out hydrothermal reaction, washing, drying, grinding and calcining to obtain the supported coal gasification ash catalyst. Cheap ash is taken as a carrier, waste resources are reasonably utilized, not only is environmental pollution reduced, but also recycling of the resources is realized, uniform distribution and firm combination of metal ions on the surface of the ash are effectively promoted by adopting a hydrothermal method, the bimetallic loaded coal gasification ash catalyst is synthesized, and the bimetallic loaded coal gasification ash catalyst can be used for treating COD (Chemical Oxygen Demand) in coal chemical industry wastewater. The method has the advantages of high removal rate, stability, application feasibility and the like, and has excellent industrial application potential.