163results about How to "Improve diffusion ability" patented technology

The invention discloses a supercritical carbon dioxide mineralization and storage method based on a paste filling technology. The supercritical carbon dioxide mineralization and storage method comprises the following steps: S1, preparing a paste filling material; s2, preparing supercritical carbon dioxide; s3, mineralization and storage: in order to realize large-scale mineralization and storage of CO2 in the mine, the mineralization and storage step comprises a mineralization filling slurry preparation process and a carbon injection mineralization process; according to the supercritical carbon dioxide mineralization and storage method based on the paste filling technology, the paste filling technology and supercritical carbon dioxide mineralization and storage are combined, mine solid waste with a large number of calcium and magnesium resources and supercritical carbon dioxide are fully mineralized, mineralization filling slurry is prepared and filled into an underground goaf, and the mining goaf is filled with the mineralization filling slurry. The mechanical property and the pore structure of the filling body are improved, the concept of treating waste with waste in a mine is met, and green mining of the metal mine is achieved.

The invention provides a B / N co-doped high-graphitization-degree artificial graphite negative electrode material and a preparation method thereof, and the preparation method of the artificial graphite negative electrode material comprises the following steps: crushing raw material coke to obtain primary particles, and then mixing, granulating and shaping to obtain secondary particles; fully mixing the obtained secondary particles with an organic nitrogen source, and then pre-carbonizing to obtain a nitrogen-doped precursor; and fully mixing the obtained nitrogen-doped precursor with an organic boron source, and then carrying out secondary carbonization, shaping and graphitization to obtain the B / N co-doped high-graphitization-degree artificial graphite negative electrode material. The artificial graphite negative electrode material disclosed by the invention has high energy density and high rate performance, and meanwhile, the first efficiency can also be improved.

The invention discloses a method for preparing a core-shell structure phase hydrorefining catalyst, comprising the following contents: (1) gelling, aging and filtering a first precipitant, a sodium molybdate solution and a solution containing Ni and Si to obtain a filter cake of a first slurry, and then treating it with a mixed aqueous solution of aluminum salt and organic alcohol to obtain a mixed slurry; (2) adding a Ni-containing solution, a sodium tungstate solution, a second precipitant and the mixed slurry obtained in step (1) to a reactor containing water and an oily liquid to gel and age them to generate a second slurry; (3) filtering, drying and molding the slurry to obtain a molded product; (4) soaking the molded product in an organic acid solution, and desalting the soaked molded product to obtain a catalyst. The preparation process of the method is clean and pollution-free, and the prepared catalyst has a core-shell structure, a large pore volume and a large pore size, and is used in processes such as distillate hydrodesulfurization and denitrogenation, and has high hydrodesulfurization and hydrodenitrogenation reaction performance.

The invention discloses a novel high-strength plastic magnesium alloy and a preparation and processing method thereof. The magnesium alloy is prepared from, by mass, 3%-10% of Gd, 1%-5% of Y, 0.3%-5.0% of Sn, 0.3%-1.5% of Sb, 0.3%-1.0% of Ge, 0.3%-1.0% of Ca, 0.3%-1.2% of Sr, 0.3%-1.0% of Zr and the balance pure magnesium. The preparation and processing method of the alloy comprises the following steps: (1) preparing raw materials according to target alloy components, and smelting to obtain a magnesium alloy melt; (2) pouring the magnesium alloy melt to form a cast ingot; (3) heating the cast ingot for deformation cogging; (4) carrying out homogenizing heat treatment on the blank; (5) carrying out hot working on the homogenized alloy, and then carrying out artificial aging under the combined action of pulse current and direct current; and (6) the aged material is placed in liquid nitrogen to be kept, and then the deformation residual stress of the material is reduced in a cold water pouring and freezing mode. The defect of the magnesium alloy in the aspect of plastic deformation capacity can be effectively overcome, the controllability of the magnesium alloy structure can be achieved, and the application range of the magnesium alloy is further expanded.

The invention relates to the technical field of soil and groundwater remediation, in particular to soil and groundwater pollution remediation equipment which comprises a frame and a deep soil remediation mechanism arranged at the front end of the frame, and a shallow soil remediation mechanism is arranged on the frame and used for remediation of shallow soil. Comprising a fixed frame fixed to the rear end of a frame, a movable frame hinged to the lower end of the fixed frame, a plurality of plowshares installed on the movable frame, a shaft seat fixed to the lower end of the middle of the fixed frame and a fixed seat fixed to the rear end of the middle of the fixed frame. The pesticide spraying assembly comprises a pesticide conveying pipe rotationally mounted on the shaft seat; when the vehicle frame moves, soil can be ploughed through a plowshare on the shallow soil remediation mechanism, the effects of loosening and crushing soil can be achieved, and in the moving process of the plowshare, pesticide spraying heads located in the plowshare spray pesticide outwards at the same time, so that the pesticide can fully and evenly permeate into the shallow soil, and the diffusion effect of the pesticide is improved.

The invention discloses an encryption method based on an RSA algorithm, and relates to the technical field of data encryption, and the method comprises the steps: collecting to-be-encrypted data; generating a session key of the to-be-encrypted data by adopting a symmetric block encryption algorithm RC5; encrypting the generated session key by adopting an RSA public key; encrypting the to-be-encrypted data by adopting a symmetric block encryption algorithm RC5 and the encrypted session key to generate encrypted data, dividing the to-be-encrypted data into N1 groups, and encrypting the grouped to-be-encrypted data by calling the RC5 algorithm in parallel through multiple threads; and performing confusion processing of sequentially and circularly exchanging adjacent data positions on the encrypted data to obtain the encrypted data. Aiming at the low encryption security based on an RSA algorithm in the prior art, the method comprises the following steps: collecting to-be-encrypted data, and generating a session key based on data content by using an RC5 algorithm; encrypting the session key by adopting an RSA algorithm; an RC5 algorithm is called in parallel for encryption; and block position confusion processing is carried out on the encrypted data, so that the encryption security of the RSA algorithm is improved.

The utility model provides a solenopsis invicta monitoring and trapping device, and relates to the technical field of solenopsis invicta monitoring and trapping devices, the solenopsis invicta monitoring and trapping device comprises a base, a trapping cylinder is arranged on the base, a cover body is arranged on the trapping cylinder, a diffusion structure is arranged in the trapping cylinder, and the diffusion structure is mainly composed of a discharging box. The feeding box is fixedly connected to the trapping cylinder, a motor is fixedly connected to the interior of the trapping cylinder, a fan is fixedly connected to an output shaft of the motor, a plurality of air inlet holes are formed in the side wall of the trapping cylinder, a plurality of through holes are formed in the feeding box, a diffusion cover is fixedly connected to the cover body, and the diffusion cover is fixedly connected to the cover body. The red imported fire ant monitoring and trapping device solves the problem that at present, a whole ham sausage is usually placed in the red imported fire ant monitoring and trapping device to trap red imported fire ants, fragrance of the ham sausage is diffused to the outside of the device slowly, and the red imported fire ant trapping efficiency is low.

The invention provides a carbon carrier for a catalyst, a preparation method of the carbon carrier, a fuel cell catalyst and a membrane electrode, and belongs to the technical field of fuel cells. The preparation method comprises the following steps: S1, uniformly mixing a carbon source, a nitrogen source, a phosphorus source and a template agent to obtain a mixture; wherein the template agent is selected from at least one of magnesium oxide, magnesium hydroxide, magnesium citrate, magnesium gluconate, magnesium acetate, basic magnesium carbonate, zinc oxide nanorods, titanium dioxide and mesoporous alumina; the mass ratio of the template agent to the carbon source is (0.1-15): 1; s2, calcining the mixture to obtain a calcined product; and S3, stirring the calcined product in an acid solution, filtering, washing and drying to obtain the carbon carrier. The carbon carrier obtained by the preparation method can have a relatively high mesopore ratio, an excellent graphitization degree and a proper heteroatom doping condition at the same time, and the electrochemical performance and durability of a fuel cell catalyst can be effectively improved.

The invention relates to a gas dust explosion prevention and control targeted explosion suppressant regulation and control method based on machine learning, and belongs to the technical field of explosion prevention and control and material modification. According to the method, the inhibition effect of the explosion suppressant in a composite explosion environment is analyzed through a machine learning model, and targeted optimization is performed on the components, concentration and physical structure of the explosion suppressant based on experimental data and characteristic characterization. The method comprises the following specific steps: screening explosion suppressant components through literature investigation; carrying out modified compounding on the explosion suppressant and collecting explosion characteristic data; carrying out feature importance analysis by utilizing an XGBoost model, and identifying key factors influencing the explosion suppression effect; and optimizing the formula of the explosion suppressant according to a model analysis result, and verifying the effect through experiments. According to the method, the inhibition efficiency and adaptability of the explosion suppressant under the compound explosion condition are greatly improved, data-driven intelligent design is achieved, and the method is suitable for various industrial explosion prevention and control scenes.

The utility model relates to the field of disposable hygienic products, in particular to an absorption core with high diffusivity, which has the advantages of high diffusion speed and high absorption efficiency and comprises a core body provided with a first absorption area positioned on one transverse side of a transverse central axis and a second absorption area positioned on the other transverse side of the transverse central axis. The core body comprises a top piece, a bottom piece and an absorption layer distributed between the top piece and the bottom piece. The absorption layer is provided with a front edge and a rear edge which are distributed at two longitudinal ends and a left edge and a right edge which are distributed at two transverse ends, the absorption layer comprises an absorption material, the absorption material comprises at least 30% by weight of macromolecular water-absorbent resin particles, and at least two first slits without the absorption material are formed in a first absorption area of the absorption layer at intervals in the longitudinal direction; the second absorption area of the absorption layer is provided with at least two second slits which do not contain the absorption material along the longitudinal direction at intervals; and the top sheet and the bottom sheet are compositely connected at the first slit and the second slit.

The invention belongs to the technical field of catalysts and application thereof, and particularly relates to a preparation method and application of a framework nickel-doped TS-1 type molecular sieve catalyst. According to the method, TS-1 titanium silicalite molecular sieve raw powder prepared from cheap raw materials is adopted as an initial raw material, nickel cations are introduced into a TS-1 molecular sieve framework in a mode of combining nickel ion coordination complexation with tetrapropylammonium hydroxide hydrothermal treatment, and a hollow cavity is formed in a molecular sieve crystal. The protective effect of the complexing agent on nickel ions effectively prevents the nickel ions from forming metal nickel particles in the hydrothermal treatment process; the tetrapropylammonium hydroxide promotes the TS-1 titanium silicalite molecular sieve to be dissolved and recrystallized to form closed or open mesopores, and nickel ions are embedded into a molecular sieve framework. In the prepared nickel-doped TS-1 titanium silicalite molecular sieve, nickel exists in the form of positive ions and partially replaces titanium ions in a framework, so that the charge density around the titanium ions is remarkably reduced, and the surface acidity is weakened.

The invention relates to the technical field of plastic product preparation, and discloses a PBAT online tackifying supercritical gas foaming system and foaming method.The system comprises a dynamic mixer used for mixing and stirring plastic melt, a chain extender and supercritical gas; the gas pressurization module is used for pressurizing gas guided from the gas source to supercritical gas, the gas pressurization module is further used for guiding the supercritical gas to the dynamic mixer, and the material module is used for conveying plastic melt to the dynamic mixer. The tackifier module is used for conveying a chain extender to the dynamic mixer and is provided with a fluid metering unit, and the fluid metering unit is used for detecting the conveying amount of the chain extender. And the control module is used for controlling the gas pressurization module, the material module and the tackifier module. Through cooperation of the dynamic mixer, the gas pressurization module, the material module, the tackifier module and the control module, efficient production of PBAT online tackifying supercritical gas foaming is effectively achieved.

A diffusion brightness enhancement film structurally comprises an upper layer, a middle layer and a lower layer, the upper layer is of a diffusion prism layer structure, the middle layer is of a transparent base material layer structure, the lower layer is of a back coating layer structure, the diffusion prism layer is composed of a plurality of prism strips, cross section bodies of the prism strips are of isosceles trapezoid structures, and circular protruding structures are arranged on the waist portions of isosceles trapezoids. Meanwhile, the diffusion effect is achieved, and the brightness can be improved.

The invention discloses a stability analysis method of a liquid gel breaker for fracturing, and relates to the technical field of stability analysis of liquid gel breakers, and the stability analysis method specifically comprises the following steps: acquiring dynamic information of an injection process of each area in a heterogeneous stratum in a fracturing fluid injection process in real time, and analyzing after acquisition to obtain a dynamic information of the injection process; respectively generating a diffusion equilibrium coefficient and a diffusion response index of each region; and constructing a diffusion uniformity degree evaluation model for the generated diffusion equilibrium coefficient and diffusion response index of each region, generating the diffusion uniformity coefficient of each region, analyzing after generation, and evaluating the diffusion uniformity degree of the gel breaker in each region in the fracturing fluid injection process. And each region is divided into a high diffusion region, a uniform diffusion region and a low diffusion region according to an evaluation result. According to the invention, the problem of non-uniform diffusion of the gel breaker in a heterogeneous stratum is solved, and accurate control and optimization of the diffusion process of the gel breaker are realized.

The invention relates to the technical field of semiconductor manufacturing, and discloses a base material processing system which comprises a reaction cavity, an air inlet and an air outlet are formed in the cavity wall of the reaction cavity, the air inlet is located in the side of a to-be-cleaned area, and the base material processing system further comprises an air conveying structure and an air exhaust structure. The gas transmission structure comprises a first gas transmission end and a second gas transmission end which can switch gas transmission; wherein the first gas transmission end is used for being communicated with a gas inlet of a reaction cavity; the air exhaust structure is used for being communicated with an air outlet of the reaction cavity, and the second air conveying end of the air conveying structure is communicated with the air exhaust structure; wherein the first gas transmission end can be communicated with the gas inlet of the reaction cavity through switching between the first gas transmission end and the second gas transmission end of the gas transmission structure; or the second gas transmission end is communicated with the gas extraction structure. Therefore, the residue in the reaction cavity can be effectively removed, and the influence on the process reaction is reduced, so that the yield of products is effectively improved. The invention further discloses semiconductor coating equipment.

The invention provides a vortex dust control device which comprises an air inlet barrel, a wind direction converter and a plurality of vortex air barrels, one end of the air inlet barrel is used for being connected with a press-in type air barrel in a fully mechanized excavation face, and the other end of the air inlet barrel is connected with one end of the wind direction converter. The wind direction converter is used for changing axial air flow entering the air inlet barrel into rotating air flow with radial speed, the multiple vortex air barrels are sequentially connected, and one of the multiple vortex air barrels is connected with the other end of the wind direction converter; wherein the side wall of the vortex air duct is provided with an axial air outlet penetrating in the axial direction, the vortex dust control device further comprises an adjusting part arranged on the vortex air duct, and the adjusting part is used for adjusting the opening width of the axial air outlet in the circumferential direction of the vortex air duct. By the adoption of the scheme, the problems that in the prior art, an air outlet of a vortex dust control device is single in adjustment angle, the opening and closing range is small, and a more flexible and applicable rotary air curtain cover cannot be formed can be solved.

The invention discloses a silicide connection layer forming method and a semiconductor device, and the method comprises the steps: providing a semiconductor structure which is made of silicon; forming a protective layer on the semiconductor structure and forming a metal layer on the protective layer; performing an annealing process so that metal particles in the metal layer pass through the protective layer and react with silicon in the semiconductor structure to form an intermediate layer; removing the remaining part of the metal layer under the condition that the protective layer protects the intermediate layer; the annealing process is performed again so that the intermediate layer continues to react with the silicon in the semiconductor structure to form a silicide connection layer, and the protection layer is removed. In the process of removing the residual part of the metal layer, the middle layer is not damaged due to the protection of the protection layer, and the performance of the semiconductor device is improved.

The application discloses an ambient light, a control method and a controller thereof, and a vehicle, and relates to the technical field of vehicles.The ambient light comprises a light guide substrate with opposite first and second ends, and a first light source arranged at the first end of the light guide substrate; wherein the light exit surface of the light guide substrate is provided with microstructures for enhancing the light diffusion capacity, and the microstructures are net-distributed protrusions and / or concave points.Thus, by arranging a single light source at the first end of the light guide substrate and combining the microstructure design of the light exit surface, the diffusion of the microstructures on the light makes the light evenly propagate in the light guide substrate, avoids the high cost and large space occupation caused by densely arranging multiple LEDs in the traditional scheme, and reduces the light source cost and arrangement space of the ambient light; meanwhile, the color control algorithm can be matched to realize the dynamic light effects such as color gradient and brightness breathing of the intelligent cabin.

The invention discloses a laundry detergent capable of rapidly sterilizing and killing mites and a preparation method thereof, and relates to the technical field of laundry detergents. Methyl sorbate and 5-hydroxytryptamine react to form an amido bond, hydrolytic stability and hard water resistance are enhanced, methyl sorbate and indole structures are introduced, and the effect of rapid sterilization is achieved; then reacting with butyl glycidyl ether to prolong the length of a hydrophobic chain, reduce interfacial tension and realize a degreasing effect; and then the modified antistatic agent is compounded, so that the overall solubilizing capacity is improved, and a strong decontamination effect is achieved. Wherein the modified antistatic agent is prepared by co-polymerizing dimethyl diallyl ammonium chloride, vinyl benzenesulfonic acid and acrylic acid-2-methoxyethyl ester; a quaternary ammonium salt structure is introduced, so that a conductive layer mainly based on water ionization can be formed, lone pair electrons can be generated, and the antistatic capacity of the clothes is improved; a sulfonic acid group is introduced, and is matched with an ethyoxyl chain of acrylic acid-2-methoxyethyl ester, so that the diffusion effect is enhanced, and the decontamination and antistatic effects are improved.

The application discloses a gas distribution device for a silicon-carbon negative electrode material synthesis furnace, which comprises a furnace body, an air flow pump arranged outside the furnace body, a gas storage tank connected with the air flow pump through a gas pipeline, a plurality of shunt pipes connected with the air flow pump, each shunt pipe being vertically arranged on one side of the furnace body and being connected to the side wall of the furnace body at different heights, a gas supply assembly arranged in the furnace body in an up-down arrangement, the gas supply assembly being connected with each shunt pipe, a breathing gas guide mechanism vertically arranged in the center of the furnace body, a gas data detection module connected with the air flow pump, an environment sensing module arranged in the furnace body, the environment sensing module being used for acquiring environment characteristic data in the furnace body through a temperature and humidity sensor and an air pressure sensor, and the breathing gas guide mechanism being used for air guide layout in an up-circulation, down-circulation or multi-layer circulation mode according to the movement characteristics of gas in the furnace body.

The invention discloses a preparation method and application of a dimethyl ether carbonylation catalyst, and belongs to the field of industrial catalysis. According to the method, monobasic inorganic acid and polybasic carboxylic acid are respectively used for preparing a wet material, then the monobasic inorganic acid and the polybasic carboxylic acid are mixed together and kneaded together, and finally the formed H-MOR molecular sieve catalyst is prepared through the procedures of extrusion molding, exchange, drying and roasting in sequence. The method is beneficial to improving the strength and diffusivity of the catalyst, so that the catalytic activity and stability of the catalyst are improved. In the reaction of preparing methyl acetate through dimethyl ether carbonylation, the catalytic activity and the stability are both improved.

The present invention relates to a jet pipe and a cleaning machine integrating cleaning and drying functions. The jet pipe extends vertically, and a water channel and an air channel extending axially and relatively independently are arranged in the jet pipe. A fluid outlet connected to the water channel and the air channel fluid is opened on the outer peripheral wall of the jet pipe. On the basis of retaining the bottom spray arm, a vertically extending jet pipe is arranged in the middle of the washing chamber. In the cleaning state, part of the water in the spray arm is sprayed upward through the spray arm, and part of the water is transported upward to the jet pipe and sprayed outward from the middle of the washing chamber, which makes up for the problem that the force of the water column sprayed upward by the existing bottom spray arm is smaller, which is conducive to improving the cleaning effect. After washing and entering the drying state, the outside air is transported downward through the door body and the upper end of the jet pipe, and the gas is sprayed from the central part of the washing chamber to the edge through the vertical jet pipe, which is conducive to improving the gas diffusion effect, eliminating the drying dead corner, and improving the drying effect.

The utility model discloses a dressing for hydrofluoric acid burn, which comprises a waterproof layer, an infusion pipeline, a diffusion layer, a plurality of diffusion films, a liquid storage layer and a muscle-friendly viscous layer, the infusion pipeline is arranged below the waterproof layer, and the input end of the infusion pipeline is matched with an infusion control device. The diffusion films are mutually connected with the output end of the infusion pipeline in the horizontal direction, the top surface of the diffusion layer is fixedly connected with the bottom surfaces of the infusion pipeline and the diffusion films, the liquid storage layer is arranged below the diffusion layer, and the bottom surface of the liquid storage layer is fixedly connected with the top surface of the muscle-friendly viscous layer. The dispersion film can fully soak a solution of calcium ions and magnesium ions on the dressing in the horizontal direction, the solution is not prone to transversely gathering on the diffusion layer and can permeate downwards in the vertical direction, diffusion is facilitated, the liquid storage layer is beneficial to further storage of liquid, and the dressing is high in effective persistence and lasting in medicine effect; and the dressing has strong diffusivity to the solution, and is beneficial to the recovery of the patient.

The application discloses a kind of hydrofining catalyst and its preparation method and application.The method includes the following contents:(1) selecting or preparing alumina 1, introducing hydrogenation active metal into alumina 1;(2) selecting or preparing alumina 2, introducing hydrogenation active metal into alumina 2;(3) the material obtained in step (1) and the material obtained in step (2) are kneaded into final hydrofining catalyst;Wherein, the average pore size of alumina 1 is lower than the average pore size of alumina 2.The hydrofining catalyst prepared by the method can realize deep desulfurization for diesel oil raw material.

The present invention relates to the technical field of sludge treatment, and specifically to a proportioning device and method for synchronously refining and blending combustion based on sludge feeding, comprising: a box body, a loading tray is installed in the box body; a folding plate group, a plurality of groups of which are arranged and installed at the bottom of the loading tray; a traction assembly, which is arranged on the loading tray and connected to the folding plate group; a stagnation box, which is arranged on the loading tray, and a plurality of stirring levers which are connected to the stagnation box are equidistantly arranged at the bottom of the stagnation box, and discharge ports are formed on both sides of the stirring levers; a driving assembly, which connects the loading tray and the stagnation box, the driving assembly can drive the stagnation box to move along the length direction of the loading tray, and the driving assembly can drive the stirring lever to move along the width direction of the loading tray; a blocking structure, which is arranged on the stagnation box and adapted to the discharge port, a trigger shaft is connected to the blocking structure, and the trigger shaft cooperates with a trigger sleeve connected to the driving assembly, so that the discharge port located at the rear of the movement direction of the stagnation box can be connected, thereby improving the combustion effect of pollutants in the sludge.

The utility model discloses an insect sticking agent heating and atomizing device which comprises an atomizing cylinder, an atomizing nozzle fixed on the circumferential side wall of the atomizing cylinder and an air pump, the atomizing nozzle is opposite to the air pump in position, air generated by the air pump can be exhausted through the atomizing nozzle, an electric heating wire is fixedly installed on the inner bottom wall of the atomizing cylinder and can heat insect sticking agents, and therefore the insect sticking agents can be heated. And steam liquid drops are formed and discharged through the atomizing nozzle, an opening is formed in the top of the atomizing cylinder, and a sealing cover is detachably installed at the opening. The electric heating wire is electrified through the built-in power supply, the electric heating wire is used for heating the insect sticking agent, so that the insect sticking agent can be converted into steam or finer particles by heating the insect sticking agent, and the atomized insect sticking agent is discharged through the atomizing nozzle and enters the environment by starting the air pump, so that the suspension property and the diffusivity of the insect sticking agent in the air are improved, and the insect sticking agent is prevented from being damaged. Therefore, the area where the pests are located can be better covered, the possibility that the pests make contact with the insecticide is improved, and the spraying effect is ideal.

The present invention relates to the technical field of sewage treatment, and discloses a sewage treatment device and its application in the production of pretilachlor pesticide, comprising a stirring box and a sedimentation tank, wherein the stirring box is internally divided into a first chamber and a second chamber, and further comprising an agitator, an observation tube, a transfer assembly, a heat pipe and a drive assembly. The present invention is provided with an agitator, an observation tube, a transfer assembly, a heat pipe and a drive assembly, and uses the transfer assembly and the observation tube to transport sewage into the observation tube, which is conducive to real-time monitoring of the sewage state during the sewage flocculation process. When the flocculation effect is poor, the heat pipe can be heated by the drive assembly, and the reciprocating floating of the heat pipe can be controlled at the same time, so that the sewage temperature and the diffusion effect of the flocculant in the sewage can be increased, and the flocculation effect can be improved while the cause is preliminarily investigated, so that the operator can more accurately judge the cause and take corresponding measures, and avoid the effect or efficiency of sewage treatment affected by misoperation.

The utility model relates to a cooling device of a test board and the test board, the test board is provided with a test area and a controller installation area, the cooling device comprises an insulation heat conduction silica gel pad, a heat dissipation metal layer, a first cooling pipeline, a second cooling pipeline and a cooling pump, the insulation heat conduction silica gel pad is arranged on a controller, and the heat dissipation metal layer is arranged on the first cooling pipeline. The heat dissipation metal layer is arranged on the insulating heat conduction silica gel pad, one end of the first cooling pipeline is arranged on the heat dissipation metal layer, the other end of the first cooling pipeline is connected with the cooling pump, the first cooling pipeline is used for providing cooling liquid for the heat dissipation metal layer under the action of the cooling pump, and one end of the second cooling pipeline is arranged on the heat dissipation metal layer. And the other end of the second cooling pipeline is connected with the cooling pump, and the second cooling pipeline is used for recycling the cooling liquid from the heat dissipation metal layer to the cooling pump. According to the invention, on the premise of maintaining a high-temperature test environment of the tested module, efficient thermal isolation and heat dissipation control can be independently carried out on the controller area, and the temperature of the controller is ensured to be always in a safe range.

The present invention discloses a desulfurization treatment device for petrochemical wastewater, which relates to the field of wastewater treatment and includes a treatment tank, wherein a circulation hood is arranged inside the treatment tank and near the center, a filter hood is arranged below the circulation hood, a sedimentation pipe is arranged at the bottom of the circulation hood, a water distribution ring is arranged inside the circulation hood, a water distribution mechanism is arranged inside the water distribution ring, an annular frame is arranged above the water distribution ring, a medicine distribution mechanism is arranged below the annular frame, a driving mechanism for driving the medicine distribution frame to rotate is arranged on the inner side of the annular frame, a stirring assembly matched with the medicine distribution mechanism is arranged inside the treatment tank, and the stirring assembly is composed of a driving rod, a first stirring mechanism and a second stirring mechanism. The desulfurization treatment device for petrochemical wastewater can add desulfurizer to different depths, promote the flow of wastewater in the vertical and horizontal directions, enhance the dispersion effect of the agent, and improve the desulfurization efficiency.

The utility model discloses a kind of solid and liquid waste treatment's subcritical system, including subcritical hydrolysis reaction kettle, solid waste feeding mechanism, liquid waste feeding mechanism, steam boiler and solid-liquid separator;The upper portion of subcritical hydrolysis reaction kettle is equipped with feed inlet, gas inlet and exhaust port, the lower portion of subcritical hydrolysis reaction kettle is equipped with discharge port, feed inlet is equipped with feed valve, gas inlet is equipped with inlet valve, exhaust port is equipped with exhaust valve, discharge port is equipped with discharge valve;Solid waste feeding mechanism is used to send solid waste into feed inlet;Liquid waste feeding mechanism is used to send liquid waste into feed inlet;Steam boiler is used to provide high-temperature steam to subcritical hydrolysis reaction kettle;Solid-liquid separator is used to carry out solid-liquid separation to material discharged from discharge port.The utility model realizes the simultaneous processing of solid waste and liquid waste, and can directly carry out solid-liquid separation in the process of reaction kettle discharge.