1146 results about "Active carbon" patented technology

The application provides a cement-based zinc ion hybrid capacitor, a preparation method thereof and application of the capacitor in an energy storage device. The cement-based zinc ion hybrid capacitor comprises an active carbon positive electrode, a zinc foil negative electrode and a composite air-entraining mortar interlayer arranged between the two electrodes. The active carbon positive electrode is active carbon loaded on a carrier with good conductivity, and the carrier is any one of carbon-based materials such as carbon felt, carbon fiber and graphite plate or any one of foils, meshes and foams of metals such as stainless steel, copper, titanium and nickel and alloys thereof. The composite air-entraining mortar interlayer between the two electrodes is immersed in an electrolyte under negative pressure. The composite air-entraining mortar has interconnected pores, and ions are transmitted through the electrolyte in the pores and participate in electrode reactions. The application mainly provides a porous cement-based solid electrolyte based on a composite air-entraining technology and a structural electrochemical energy storage device, and the structural energy storage device can simultaneously have good energy storage characteristics and mechanical properties.

The application relates to an organic-inorganic compound fertilizer containing functional microorganisms and a production method thereof, and relates to the technical field of fertilizers. The fertilizer comprises an inorganic core layer, an organic coating layer and a functional microorganism outer layer. The functional microorganism outer layer comprises the following components in mass fractions: 10-15 parts of compound functional microorganisms, 5-10 parts of synergistic growth-promoting microorganisms, 2-3 parts of trehalose, 1-2 parts of mannitol, 10-15 parts of sodium alginate, 8-10 parts of chitosan, 2-4 parts of yeast extract and 30-40 parts of modified active carbon carriers. The production method comprises the following steps: preparing the inorganic core layer, preheating the inorganic core layer, spraying the organic coating layer material to coat the surface, and obtaining a preliminary product with the organic coating layer; coating the functional microorganism outer layer material on the surface of the organic coating layer of the preliminary product, low-temperature drying and screening, and obtaining the organic-inorganic compound fertilizer containing the functional microorganisms. The application has the effects of improving the slow-release effect of the fertilizer and the survival rate of the microorganisms.

The invention discloses dibutyl adipate as well as a preparation method and application thereof, preparation raw materials comprise adipic acid, n-butyl alcohol and a catalyst, and the molar ratio of the adipic acid to the n-butyl alcohol to the catalyst is 1: (3-8): (0.001-0.005). Excessive n-butyl alcohol obtained through distillation and kettle residues obtained after vacuum rectification can be directly applied to the next batch of reaction, continuous circular reaction can be achieved by supplementing a small amount of catalyst, maximum utilization of raw materials is achieved, and the production cost is reduced. Compared with the product obtained by the prior art, the content of the product obtained by simple rectification is higher, the content of dibutyl adipate in the product is 99.8% or above, the risk of trace activated carbon residue after activated carbon adsorption treatment is avoided, and the cosmetic grade product standard is met.

The invention relates to the technical field of sewage post-treatment, in particular to a wastewater treatment device for nitriding machining parts, which comprises a treatment device sleeve shell, an interval filtering assembly and a shunting assembly, one side of the treatment device sleeve shell is provided with an open window, and the center of the lower end in the treatment device sleeve shell is provided with a reference supporting cylinder; a single and large activated carbon treatment tank for wastewater treatment is arranged to be a wastewater treatment device with a plurality of wastewater treatment cylinders, when three of the wastewater treatment cylinders are used for wastewater treatment, the other wastewater treatment cylinder is matched with a positioning assembly to realize rapid rotary switching, and the wastewater treatment device is simple in structure, convenient to operate and high in practicability. And when activated carbon particles in the wastewater treatment cylinder need to be replaced, the active carbon particles can be conveniently filled through the movable control of the piston filter cylinder, the operation is worry-saving and convenient, and the wastewater treatment efficiency is improved in the continuous wastewater treatment process.

The invention provides sintering flue gas denitration activated carbon and a preparation method thereof.The preparation method comprises the steps that coal-based activated carbon raw material powder and an aqueous solution of a nitrogen-containing compound and a phosphorus-containing compound are evenly mixed, impregnated and dried, and a nitrogen-phosphorus co-doped precursor is obtained; blending the catalytic components to obtain raw material strips; primarily forming pores, and activating for the first time in a water vapor atmosphere; carrying out secondary loading and pore regulation, and carrying out secondary activation to obtain a secondary carbon body; and carrying out heat treatment on the secondary carbon body in an oxygen-containing atmosphere to convert the loaded metal precursor into a metal oxide. According to the invention, through a cascade catalytic network constructed by nitrogen and phosphorus doping and titanium, tungsten and vanadium oxides and an optimized pore channel formed by step-by-step activation of water vapor and carbon dioxide, the denitration efficiency of the catalyst breaks through 80% and is far higher than that of common activated carbon. The sintering flue gas denitration system has high activity and high stability, can greatly reduce the series number of denitration towers, obviously reduces the system resistance and operation energy consumption, and provides an efficient scheme for solving the problems of low sintering flue gas denitration efficiency and high cost.

The invention relates to the field of sewage treatment, and discloses a sewage treatment method based on desulfurization and denitrification, which comprises the following steps: S1, magnetic flocculation-electro-catalysis pretreatment: adding a polyaluminum chloride-magnetic powder composite flocculant into sewage through a magnetic flocculation reactor to form a magnetic floc, removing suspended matters through a permanent magnetic separation device, and then entering an electro-catalysis oxidation pond, carrying out electrolysis by taking titanium-based lead dioxide as an anode and active carbon fiber as a cathode; and S2, performing synchronous desulfurization and denitrification on the three-dimensional electrode fluidized bed, feeding pretreated effluent into a three-dimensional electrode fluidized bed reactor, filling activated carbon particles as a third electrode, and adding a composite flora of thiobacillus and denitrifying bacteria. The efficient removal of sulfides, total nitrogen, total phosphorus and chemical oxygen demand in the sewage is realized through a multi-stage synergistic process of magnetic flocculation-electrocatalysis pretreatment, synchronous desulfurization and denitrification of a three-dimensional electrode fluidized bed, deep denitrification and dephosphorization of a denitrification filter tank and catalytic ozonation-membrane separation combined deep treatment.

The invention relates to the technical field of vegetable oil refining, in particular to a production method of extra-high oryzanol rice oil. The method comprises the following steps: adding wood active carbon into deacidified oil, carrying out oryzanol adsorption operation, filtering to obtain high-oryzanol active carbon, adding food-grade ethanol into the high-oryzanol active carbon, stirring, and removing an active carbon solid phase to obtain an ethanol desorption solution containing oryzanol; mixing the ethanol desorption solution with the deacidified oil, and evaporating ethanol to obtain an ultra-high oryzanol rice oil intermediate product; and carrying out secondary decoloration, physical deodorization and winterization degreasing on the ultra-high oryzanol rice oil intermediate product to obtain the finished ultra-high oryzanol rice oil. The ultra-high oryzanol rice oil with the oryzanol content larger than or equal to 4% (40000 ppm) and the light-color rice oil with the color meeting the first grade of the national standard GB 19112 of rice bran oil can be stably produced at the same time, and the method is simple, safe and low in cost.

The invention belongs to the technical field of sewage treatment, and particularly relates to a low-carbon-nitrogen-ratio sewage short-process nitrogen and phosphorus removal system and method. The method comprises the following steps: S1, capturing a carbon source and synthesizing an internal carbon source; s2, synchronous denitrification phosphorus removal; S3, layered nitrification treatment and internal carbon source reutilization; and S4, material circulation. According to the invention, denitrifying phosphorus-accumulating bacteria are used as an active carbon source carrier, and soluble VFAs which is easily fight for by common heterotrophic denitrifying bacteria is converted into solid PHA in the bacteria in a carbon source capture and internal carbon source synthesis tank; according to the method, the total nitrogen and the total phosphorus in the sewage with the low carbon-nitrogen ratio can be efficiently and deeply removed, and meanwhile, the method has the outstanding advantages of being low in energy consumption, small in sludge yield and small in occupied area.

The invention discloses a method for preparing raw material phosphoric acid for monopotassium phosphate by multi-stage synergistic purification of wet-process phosphoric acid, and relates to the technical field of wet-process phosphoric acid purification. The method specifically comprises the following steps: firstly, adding part of SiO2 into dilute phosphoric acid, and pumping the dilute phosphoric acid into a defluorination tower for stripping and defluorination; adding the rest SiO2, pumping into a flash chamber, and carrying out vacuum concentration and defluorination; pumping into a desulfurization reaction tank, adding phosphoric ore pulp according to a calcium-sulfur ratio, clarifying the slurry in a thickener after reaction, and filtering the upper overflow clear liquid to obtain desulfurized phosphoric acid; adding sodium sulfide, reacting at normal temperature, heating, continuously reacting, and carrying out solid-liquid separation to obtain dehydrophosphoric acid; and enabling the de-heavy phosphoric acid to sequentially pass through three activated carbon fiber filtering devices which are connected in series, so as to obtain the raw material phosphoric acid which can be directly used for producing the monopotassium phosphate after being purified. A gradient purification system is constructed through concentration defluorination, phosphoric ore pulp desulfurization, sodium sulfide heavy component removal and activated carbon fiber decoloration in a multi-stage process cooperation mode, and step-by-step efficient removal of fluorine, sulfur, heavy metal and pigment in wet-process phosphoric acid is achieved.

The invention discloses a waste sulfuric acid treatment method and device, the device comprises a sintered filter element filter, a fine filtration coalescer, an adsorption tank and a membrane separator which are connected in sequence, and the fine filtration coalescer adopts a ceramic membrane tube or a polytetrafluoroethylene membrane tube or a silicon carbide lining membrane tube as a filter material; an adsorption material in the adsorption tank is one or a combined adsorption material of more than two of activated carbon, a modified molecular sieve, a metal organic framework material and a nano adsorption material; and the membrane separation system adopts one or a combined membrane of more than two of an ultrafiltration membrane, a reverse osmosis membrane and an electrodialysis membrane. The alkylation waste acid regeneration process can be simplified, the occupied area of the device is saved, the engineering investment is reduced, and the operation cost is greatly reduced compared with that of an existing process technology; according to the method, a physical separation means is adopted, organic polymeric oil, dissolved organic matters, dissolved salts and other impurities in the alkylated waste sulfuric acid can be effectively removed without decomposing and reconstructing the waste sulfuric acid, and the concentrated sulfuric acid after concentration completely meets the production requirements of an alkylation device.

The utility model discloses a pathological slide rack drying device which comprises a slide rack placing module, and a slide to be input with airflow and dried is accommodated in the slide rack placing module; the fan and the filtering module are arranged on one side of the slide rack placing module and are used for filtering output airflow; the utility model relates to the technical field of slide drying devices. The closed space of the drying section box body can be temporarily formed through the box body cover plate, and air input into the drying section box body from the primary filter can flow in the closed space formed by the drying section box body; and a low-temperature electric heating wire is matched to accelerate the volatilization of xylene on the glass slide placing rack so as to blend the xylene into the air in the drying section box body, finally, a switch of a fan is turned on to output the air with the xylene from an active carbon filter, and the air with the xylene is filtered by the active carbon filter to form clean air.

The invention discloses a 1, 4-bis (4-fluorobenzoyl) benzene production waste utilization process, which belongs to the technical field of 1, 4-bis (4-fluorobenzoyl) benzene production, and comprises the following steps: dissolving waste leftovers in a solvent, and adsorbing and removing pigments and solid particles in the leftovers by activated carbon; carrying out dehalogenation and hydrogenation on the pretreated leftovers in the presence of a hydrogenation catalyst and an alkaline substance to produce 1, 4-biphenyl acyl benzene; and carrying out separation and purification on the hydrogenation product in a solution crystallization manner to obtain 1, 4-biphenyl acyl benzene with the purity of more than or equal to 99.75%. The waste leftovers are used for producing the 1, 4-biphenyl acyl benzene, so that the utilization rate of the raw materials is increased, the discharge of hazardous wastes is reduced, and the method is green and environment-friendly.

The utility model discloses a low-temperature-resistant ultrafiltration water purification device which comprises a water inlet, a water inlet pump, a primary filter, an ultrafiltration membrane assembly, an anti-freezing glycerol tank, an activated carbon filter, a produced water outlet and a waste liquid discharge pipe, the water inlet is connected with a water inlet pump; the water inlet pump is connected with the primary filter; the primary filter is respectively connected with the anti-freezing glycerol tank and the active carbon filter; the ultrafiltration membrane assembly is connected with the active carbon filter; an ultraviolet sterilizer is arranged between the activated carbon filter and the produced water outlet; the water inlet, the primary filter, the ultrafiltration membrane assembly, the anti-freezing glycerol tank, the activated carbon filter and the ultraviolet sterilizer are all connected with a waste liquid discharge pipe. Enough pipeline pressure is ensured while the water purification effect is ensured; each key node of the device is provided with a pressure relief pipeline connected with a waste liquid discharge pipe, so that the risk caused by excessive pressure is avoided; and the anti-freezing glycerol tank is arranged and is matched with a valve switch to perform pipeline anti-freezing operation, so that the cold resistance of the device is improved.

The invention discloses a quality-divided separation and high-valued utilization method of coal gasification slag, a generated product and application, and belongs to the technical field of high-valued recycling of coal gasification slag. According to the method, the coal gasification slag is classified by adopting an alkali fusion-acid leaching two-step method, components in the coal gasification slag are classified into pure carbon components and a metal-containing acid leaching salt solution, a high-valued utilization method is provided for the classified components, and the carbon components are activated into an active carbon electrode material with a high specific surface area and applied to the field of energy storage. The metal-containing acid leaching salt solution is prepared into the metal cross-linked hydrogel, and the metal cross-linked hydrogel is applied to the field of coal flame retardance. The method can effectively solve the technical problem that the overall utilization is restricted by carbon ash caused by multi-metal component mixing and high carbon content of the coal gasification slag in the prior art.

The invention relates to the technical field of soil improvement and microorganisms, and discloses a preparation process of a porous activated carbon soil conditioner loaded with microbial flora, which comprises the following steps: firstly, performing high-temperature activation and acid-base modification on a biomass raw material to prepare a porous activated carbon carrier, and dipping in a nutrient solution to preset a slow-release nutrient substrate; secondly, adopting a step-by-step sequential loading process, firstly loading the bacillus subtilis subjected to stress resistance domestication on a carrier through electrostatic adsorption, and performing activation colonization culture to form a stable pioneer biological membrane; then, on the basis of the biological membrane, phosphate solubilizing bacteria, potassium solubilizing bacteria and antagonistic bacteria are loaded in sequence; finally, the loaded composite carrier is subjected to microcapsule embedding and low-temperature drying treatment, and the porous activated carbon soil conditioner is obtained. According to the modifier prepared by the invention, through ordered loading and multiple protection, the problem of strain competition is solved, the high survival rate of flora is ensured, and the improvement effect is stable and long-acting.

The application provides a silver-loaded antibacterial polyacrylonitrile-based activated carbon fiber and a preparation method thereof, and belongs to the technical field of carbon fibers, and comprises the following steps: S1, chitosan solution preparation; S2, silver nitrate-chitosan solution preparation; S3, preparation of polyacrylonitrile fiber loaded with silver ions-chitosan on the surface; S4, pre-oxidation; S5, treatment of the pre-oxidized fiber; S6, carbonization and activation; and S7, drying.The silver ions-chitosan solution is used to uniformly load silver ions on the surface of the polyacrylonitrile fiber, the concentration of the silver ions-chitosan solution is 0.5-5 wt%, the surface pore size and distribution of the prepared activated carbon fiber can be controlled by the concentration of the acid solution, and the activated carbon fiber is rich in pore size and uniform in pore distribution, and the specific surface area is 800-1600 m 2 / g.

The invention relates to the field of adsorption materials, in particular to a discrete carbon-based biological base material for targeted treatment of high-concentration organic wastewater and a preparation process thereof.The discrete carbon-based biological base material is prepared from, by weight, 65-70 parts of activated carbon fibers, 8-10 parts of PLA fibers, 5-7 parts of sodium lignin sulfonate, 5-8 parts of ferroferric oxide magnetic particles and 8-10 parts of a carbon nitride catalyst; biPO4 is doped in the carbon nitride catalyst. According to the discrete carbon-based biological base material, the activated carbon fibers rapidly adsorb organic matters in high-concentration wastewater, the PLA releases a carbon source and accelerates formation of a biological membrane, and the biological membrane is degraded by taking the adsorbed organic matters as a substrate; the carbon nitride catalyst generates active oxygen under visible light to oxidize small molecular acid, and ferroferric oxide magnetic particles catalyze the reaction to break refractory toxins (such as antibiotics); after the reaction, the magnetic field recovers the material, sodium lignin sulfonate protects ferroferric oxide magnetic particles from corrosion, and regeneration performance is provided.

The utility model relates to filtering equipment capable of automatically replacing and filling activated carbon and an extraction oil removal system, and relates to the field of filtering equipment. The filtering equipment comprises a feeding mechanism, a spiral conveying pipe, a filtering unit, a conveying belt and a waste barrel, the filtering unit comprises a filtering barrel, a top cover and a bottom cover, the top cover and the bottom cover are detachably connected with the filtering barrel, an activated carbon inlet and a liquid inlet are formed in the top cover, and a liquid outlet is formed in the bottom cover; the feeding mechanism is located above the filtering unit, the feeding mechanism is communicated with the spiral conveying pipe, and a discharging opening of the spiral conveying pipe is communicated with the activated carbon inlet; the conveying belt is arranged below the filtering unit, and the tail end of the conveying belt communicates with the waste barrel. The filtering equipment can be quickly disassembled and is convenient to maintain, filling and discharging of activated carbon do not need manual intervention, automatic replacement can be achieved, operators are effectively prevented from entering the tank body for operation, safety and efficiency are improved, labor intensity is reduced, and the filtering equipment is more efficient and more environmentally friendly.

The invention belongs to the technical field of vehicle emission control, and particularly relates to a highway low-carbon route design method and device based on ecological speed control and a medium. The method comprises the following steps: collecting plateau road vehicle operation and CO2 emission data through a real vehicle test; a road section CO2 accumulated emission prediction model based on a DistilBERT framework is constructed; identifying a speed square difference as a key influence factor by using Sobol sensitivity analysis; adopting Bayesian optimization to formulate ecological speed control strategies of different working conditions, and setting a speed square difference critical value; and finally, the strategy is applied to identify and optimize the high-emission linear unit in a route design stage, and the running speed coordination is improved. According to the method, the light-weight large model and ecological speed control are deeply fused for the first time, the problems of accurate prediction of vehicle carbon emission and active carbon control at the front end of route design in the plateau complex environment are solved, and the purpose of reducing the carbon emission in the operation period from the road alignment source is achieved.

The utility model discloses an activated carbon wine filtering device, which belongs to the technical field of filtering equipment and comprises a tank body, a filtering space is arranged in the tank body, and a filling port is arranged at the top of the tank body; the cover body is detachably arranged at the top of the tank body, and the cover body is connected with the tank body to close the filling opening; the compaction assembly is arranged in the filtering space, the compaction assembly is provided with a compaction part, the compaction part is suitable for ascending or descending in the filtering space, and the compaction part descends to compact the activated carbon particles. According to the filter device designed by the utility model, active carbon particles are compacted by controlling the movement of the compaction part, so that gaps among the particles can be reduced, the condition of non-uniform distribution of the active carbon particles is avoided, and meanwhile, the amount of active carbon in unit volume is increased, so that liquid is more fully contacted with the active carbon when flowing through the active carbon layer; the adsorption effect is enhanced.

The invention discloses a methanol water reforming hydrogen production method, and relates to the technical field of hydrogen energy preparation, and the method comprises the following steps: 1) catalytic reforming reaction; and 2) separation and purification. The preparation method comprises the following steps: performing nitrogen doping modification on activated carbon by a hydrothermal method to prepare an N-AC carrier; then Co is preferentially anchored to the carrier at low temperature by utilizing the steric hindrance effect of a cobalt-ammonia complex, and a highly dispersed CoxOy active center is formed through thermal decomposition; and finally, co-dipping Cu and Zn precursors, precipitating and reducing to form a Cu-Zn active center, and constructing a Cu-Zn-CoxOy / N-AC bifunctional concerted catalytic system which is used for hydrogen production by reforming methanol and water. After methanol and desalted water are mixed and gasified, the mixture is introduced into a reforming reactor loaded with a Cu-Zn-CoxOy / N-AC catalyst for reaction, generated reformed gas is subjected to cooling and gas-liquid separation and then is purified through a CO adsorption bed and a pressure swing adsorption system, and high-purity hydrogen is obtained.

The invention discloses a waste sulfuric acid treatment method and system. The system comprises a sintered filter element filter, a fine filtration coalescer, an adsorption tank, a gas stripping tower, an alkaline washing tower, a molecular sieve dehydration device and a gas medium heating facility, a ceramic membrane tube or a polytetrafluoroethylene membrane tube or a silicon carbide lining membrane tube is adopted as a filter material of the fine filtering coalescer; an adsorption material in the adsorption tank is one or a combined adsorption material of more than two of activated carbon, a modified molecular sieve, a metal organic framework material and a nano adsorption material. The alkylation waste acid regeneration process can be simplified, the occupied area of the device is saved, the engineering investment is reduced, and the operation cost is greatly reduced compared with that of an existing process technology; a physical separation means is adopted, organic polymeric oil, dissolved organic matter, dissolved salt and other impurities in the alkylation waste sulfuric acid can be effectively removed without decomposing and reconstructing the waste sulfuric acid, and the concentrated sulfuric acid after concentration completely meets the production requirements of an alkylation device.

The application belongs to the technical field of lithium-sulfur batteries, and particularly relates to a lithium-sulfur battery self-supporting positive electrode material and a preparation method and application thereof. The application first prepares zinc active carbon cloth, anchors zinc ions on the carbon cloth to induce ZIF8 nucleation, ZIF67 post-nucleation, embeds Se in ZIF67, and inlays Se in ZIF8, carbonizes to realize loading of a metal selenide carbon skeleton material derived from a bimetallic organic framework material on the carbon cloth, then sulfidizes to inject sulfur into the metal selenide carbon skeleton material, and finally obtains the lithium-sulfur battery self-supporting positive electrode material. In the lithium-sulfur battery self-supporting positive electrode material prepared by the method, the metal selenide carbon skeleton material realizes high loading of sulfur; in addition, the self-supporting electrode has a free conductive network by loading sulfur through the carbon porous skeleton of the self-supporting electrode carbon cloth, so that the use of a conductive agent is avoided, and the defects existing in the prior art are overcome.

The utility model provides a mine water resource recycling device which comprises a sewage tank, an overflow plate fixedly connected to the bottom side of the left middle portion of the inner side of the sewage tank, a settlement plate fixedly connected to the top of the left side of the inner side of the sewage tank, rotating frames fixedly connected to the front and rear portions of the left side of the top end of the sewage tank, and a sedimentation tank fixedly connected to the left end of the sewage tank. The sedimentation tank is fixedly connected with a sludge discharge auger pipe, the middle side of the top of the front end of the sedimentation tank is fixedly connected with an overflow pipe, the outer side of the overflow pipe is fixedly connected with a filter box, the tops of the left and right sides of the filter box are fixedly connected with upper partition plates, the bottom side of the middle of the inner side of the filter box is fixedly connected with a lower partition plate, and activated carbon blocks are filled among the filter box, the upper partition plates and the lower partition plate. According to the sewage treatment device, suspended solids and heavy metal ions in sewage and generated insoluble precipitated sludge are subjected to gravity precipitation in the deposition tank through chemical agents, light impurities are scraped off through the scraping plate, the treatment efficiency of the sewage treatment device is improved, then activated carbon is used for adsorbing the heavy metal ions, and the removal efficiency is improved.

The utility model discloses activated carbon steam heating equipment, and relates to the technical field of activated carbon, the activated carbon steam heating equipment comprises a frame body, a box body is arranged on the frame body, two supporting plates are fixedly connected to the upper part of the frame body, the box body is rotatably connected between the two supporting plates, rotating discs are rotatably connected to the inner walls of the two sides of one side of the box body, and the rotating discs are rotatably connected to the inner walls of the two sides of the box body. The activated carbon steam heating equipment comprises a box body, two rotating discs are arranged in the box body, grid cylinders distributed in a circumferential array mode are fixedly connected between the two rotating discs, rotating frames are rotationally connected into cylinder cavities of the grid cylinders, and a first rotating mechanism for driving the rotating frames to rotate is arranged in the box body. The rotating frame capable of rotating in the grid cylinder is arranged, so that the heating direction of activated carbon in contact with steam is continuously stirred and adjusted, the activated carbon heating range is increased, meanwhile, the rotating frame can stir raw materials open, activated carbon raw materials are prevented from being stacked, and the heating efficiency of the activated carbon steam heating equipment can be effectively improved.

The utility model discloses an air pressurizing and purifying box for a plateau pressurizing cabin, which relates to the field of air pressurizing and purifying and comprises a lower shell, an air outlet filter and an air inlet filter, and the air outlet filter is fixedly arranged on the side wall of an air outlet filter support. Through the arrangement of the air inlet filter and the air outlet filter, air is filtered by the air inlet filter and then conveyed into the pressure pump, then the pressure pump can pressurize the air, and the pressurized air can be conveyed into the air outlet filter through the connecting mechanism; aCF (activated carbon fiber) filter elements in the air inlet filter and the air outlet filter have relatively large surface areas, rich micropores, high adsorption capacity and relatively high removal efficiency on harmful gas and odor in air, a box body is made of high-strength light aluminum alloy, then the air is compressed by a pressure pump, dust particles, peculiar smell and moisture are removed by an air purification system, and the air is purified by an air purification system. Clean compressed air is conveyed into the cabin through the hose, and the pressurization effect is achieved.

According to the glufosinate-ammonium mother liquor decolorizing device provided by the invention, the glufosinate-ammonium mother liquor is decolorized by arranging the resin adsorption device, and the resin column in the resin adsorption device is filled with the resin, so that the glufosinate-ammonium mother liquor decolorizing device has the characteristics of large treatment capacity, easiness in regeneration and high cyclic utilization rate during decolorizing; the problems that the amount of generated hazardous waste is large and the hazardous waste is not easy to treat due to the fact that the usage amount is large and regeneration is not easy after adsorption saturation when activated carbon is adopted for decolorizing glufosinate-ammonium mother liquor wastewater in the prior art are solved. A first resin column and a second resin column in the resin adsorption device are connected with the mother liquor storage tank, the decolorizing mother liquor storage tank, the backflushing liquid storage tank and the solvent storage tank through a plurality of valves respectively, and the other resin column can continue to work when the first resin column or the second resin column is subjected to backflushing regeneration through control of the valves; and the continuous decoloring process is effectively ensured.

The invention relates to the technical field of fiber processing, in particular to an odor and dust removing device for natural fiber processing, which comprises a bottom plate, a cocoon cooking pot and a support frame, and further comprises a gas collecting hood, a guide ring, a gas collecting pipe, a gas outlet pipe, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe and a gas outlet pipe, the upper area of the cocoon cooking pot is accurately covered, the collecting range of water vapor and VOC is greatly enlarged, an annular flow guide groove of a guide ring is matched with a guide pipe, liquid condensed on the inner wall of a gas collecting hood can be rapidly guided and discharged, and it is avoided that liquid drips to affect machining or cause secondary pollution; the inclined circulating pipe and the retarding blades are combined, the retention time of high-temperature water vapor is prolonged, the water liquefaction separation efficiency is improved, efficient gas-liquid separation is achieved, the bearing frame is in sliding fit with the first sliding plate through the second sliding plate, a quick locking structure of a locking rod and a locking spring is matched, activated carbon can be easily disassembled and assembled, and replacement and maintenance are convenient.

The utility model discloses an evaporator feeding mechanism for preparing formaldehyde, which comprises a formaldehyde evaporator and a feeder, one side of the formaldehyde evaporator is fixedly communicated with a feeding pipe, the surface of the feeding pipe is fixedly connected with a threaded connecting plate, one side of the threaded connecting plate is fixedly connected with a sealing gasket, one end of the feeder is fixedly communicated with a connecting assembly, and the other end of the feeder is fixedly connected with a sealing gasket. The evaporator feeding mechanism comprises a connecting assembly, the surface of the connecting assembly is connected with a detection assembly in a sliding mode, one end of the detection assembly is fixedly connected with a plurality of collecting assemblies, and activated carbon rods abut against the interiors of the collecting assemblies. According to the device, through the sealing ring between the two pipelines and the sealing gasket at the joint, the sealing effect of the two pipelines is better through pressure during connection, meanwhile, formaldehyde gas at the joint is detected through the formaldehyde sensor, an alarm lamp is arranged for prompting, and meanwhile leaked formaldehyde gas can be thoroughly treated through the activated carbon rod.

The utility model relates to the field of power switchers, and discloses a dual-power undisturbed rapid switching device which comprises a power distribution cabinet, a cabinet door is hinged to the edge of the front end face of the power distribution cabinet, power bodies are symmetrically installed on the top of one end of the inner wall of the power distribution cabinet, and a power switcher is arranged on the inner wall of the power distribution cabinet and located below the power bodies. Ventilation openings are formed in the tops of the two sides of the inner wall of the power distribution cabinet, an air inlet inner groove is formed in the bottom in the power distribution cabinet, fixed air pipes are fixedly installed on the two sides of the inner wall of the air inlet inner groove, and installation frames are installed at openings in one sides of the fixed air pipes. According to the invention, fresh air is filtered by the active carbon plate and blown into the power distribution cabinet through the air inlet fan, so that the internal environment of the power distribution cabinet can be cooled and dehumidified conveniently, the overall protection effect on the power supply main body and the power supply switcher is improved, and the problem that the use of the power supply main body and the power supply switcher is damaged due to high temperature and moisture is solved; and the overall use efficiency of the power supply main body and the power supply switcher is improved.