Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

156results about How to "Improve adsorption efficiency" patented technology

Intelligent control method and system for adsorption machine based on export concentration feedback

PendingCN122582715AGuarantee continuous and stable operationAvoid exceeding emission standards
The present application relates to the technical field of adsorption control, in particular to an intelligent control method and control system for an adsorption machine based on outlet concentration feedback, comprising: obtaining outlet concentration information in an outlet concentration sensor, tower pressure difference information of each adsorption tower, feedback state information of each valve, running state information of a blower, desorption temperature information in a desorption temperature sensor, and adsorption cycle time information recorded by a timer, the outlet concentration information being used to indicate the current outlet gas concentration of the adsorption machine; determining whether the adsorption machine needs to switch adsorption according to the outlet concentration information. The present application automatically determines whether the adsorption tower needs to be switched by real-time monitoring of the outlet concentration and comparing with a first preset concentration threshold, thereby avoiding emission exceeding the standard due to saturation of the adsorbent; the whole switching process adopts step-by-step timing and valve state feedback closed-loop control, thereby ensuring continuous and stable operation of the adsorption machine under different loads and significantly reducing the concentration fluctuation of the product gas.
Owner:FOSHAN TIANDI YUANYI PURIFICATION EQUIP

A microcrystalline material adsorption device for cleaning coke oven gas

The present application relates to the technical field of coke oven gas purification, and discloses a microcrystalline material adsorption equipment for coke oven gas purification, which comprises a feeder, a first rectifying tower, a second rectifying tower and a third rectifying tower connected in sequence; a pressurizing machine is used for pressurizing or cooling the coke oven gas during the adsorption process, which is beneficial to the adsorption of adsorbate on the adsorbent; a heater is used for heating the coke oven gas during the adsorption process, which is beneficial to the regeneration of the adsorbent and the process of adsorption separation cycle; the first rectifying tower is used for primary adsorption and fine removal, and active carbon spherical adsorbents are arranged in the first rectifying tower; the second rectifying tower is used for secondary adsorption and fine removal, and iron oxide adsorbents are arranged in the first rectifying tower; the third rectifying tower is used for tertiary adsorption and fine removal, and hydrophobic microcrystalline material adsorbents are arranged in the third rectifying tower. The present application has the advantages of adopting multiple adsorption components to cooperate with graded adsorption, and adopting heating adsorption and pressure swing adsorption to improve the adsorption and regeneration effect on coke oven gas.
Owner:SHANGHAI RUIHAO ENVIRONMENTAL PROTECTION TECH CO LTD

An adsorption tower and a gas nano-purifier

This invention relates to an adsorption tower and a gas nano-purifier. The adsorption tower includes an outer tube and an inner tube coaxially arranged within the outer tube. The outer tube has a first outlet on its wall. The inner tube includes an inlet section, an adsorption section, and a dust removal section connected sequentially from bottom to top. The inlet section has an inlet on its wall. The adsorption section is filled with adsorbent, and a first filter and a second filter are respectively provided at the connection points between the adsorption section and the inlet and dust removal sections. At least a portion of the sidewalls of the dust removal section is configured as a filter layer. Under purification conditions, the high-pressure gas to be treated enters the inner tube through the inlet, passes sequentially upwards through the adsorption and dust removal sections, enters the annular gap between the inner and outer tubes via the filter layer, and is discharged from the first outlet. Through this configuration, using a tube-in-tube structure with the outer and inner tubes coaxially arranged, the integration of the equipment is improved and its volume is reduced, achieving multi-stage purification of gas within a single component, including diffusion, deep adsorption, and precision dust removal.
Owner:HONGRIJIA DEPURATE FACILITY SCI & TECH CO LTD

Treatment system and treatment method for synergistically removing odor substances and new pollutant PFAS in water

The invention discloses a treatment system for synergistically removing odor substances and a new pollutant PFAS in water and a treatment method thereof. The treatment system comprises a pre-oxidation unit, an algae removal, adsorption and clarification unit, a membrane separation and concentration unit and a destruction unit which are connected in sequence. The pre-oxidation unit is provided with an oxidation pond with a transverse reciprocating dynamic aeration assembly, so that the ozone mass transfer efficiency is improved. The algae removal, adsorption and clarification unit enables a suspended carbon mud bed to periodically expand and contract through a pulse generator so as to strengthen adsorption. The membrane separation and concentration unit adopts a modified polyether sulfone conical-end filtering membrane and is matched with an online cleaning mechanism, so that PFAS is efficiently intercepted, and secondary pollution is avoided. The destroying unit is used for carrying out synergetic high-temperature incineration on the membrane separation concentrated water and the waste carbon mud, and PFAS is thoroughly decomposed at the temperature higher than or equal to 900 DEG C; by optimizing ozone aeration, pulse adsorption, fluorine-free membrane separation and collaborative incineration, efficient collaborative removal of odor substances and new pollutant PFAS and harmless treatment of waste are achieved, the system integration degree is high, the treatment effect is good, and the risk of secondary pollution is avoided.
Owner:太通建设有限公司

Polyamine carbon dots, preparation method thereof and application of polyamine carbon dots in improvement of corn resistance

PendingCN121950288AHigh quantum yieldHigh fluorescence intensityBiocideMaterial nanotechnologyHydrothermal synthesisHigh carbon dioxide
The invention discloses a polyamine carbon dot as well as a preparation method and application thereof in improvement of corn resistance, and belongs to the technical field of nano agricultural regulation and control. The polyamine carbon dots are subjected to hydrothermal synthesis, the size of the PEICDs is 2.3 nm, the quantum yield of the carbon dots can be increased, carbon dioxide in the atmosphere can be captured and converted into bicarbonate radicals, and it is verified through in-vitro experiments that the PEICDs can improve the carbon dioxide conversion product 3-phosphoglycerate in vitro; under the stress of drought and salt, the polyethyleneimine functionalized carbon dot solution is applied to the leaf surfaces of the crops, so that the growth and development of the crops can be improved by remarkably improving the net photosynthetic rate and the intercellular carbon dioxide concentration, and the adaptability of the crops to the environment is further improved.
Owner:JIANGNAN UNIV

Photovoltaic production organic adsorption box

The utility model discloses a photovoltaic production organic matter adsorption box, including adsorption box body, the adsorption box body is equipped with the air inlet and the air outlet who arranges relatively, still include adsorption filter component and fire control subassembly, the utility model discloses adsorption filter component adopts the secondary processing structure of filtration and adsorption to improve the purification precision in coordination, the filter first pretreats particulate matter and other impurities in flue gas, reduces the subsequent active carbon filling's jam risk, active carbon filling places in layers through the spacing arrangement of filler frame, has increased the contact area with flue gas, has prolonged the adsorption path, has improved organic matter adsorption efficiency significantly. The spray pipe of fire control subassembly is arranged accurately between adjacent filler frame, cooperates interval setting and sprays, can carry out directional spraying to active carbon filling gathering area, and the fire extinguishing range covers the key fire risk point, compares integral type spray structure and extinguishes fire more accurate, responds more quickly.
Owner:VAN-E

A waste gas treatment device for pressure-sensitive adhesive production

ActiveCN224404777Uspeed up the flowPrevent local adsorption saturationActivated carbonProcess engineering
The utility model relates to waste gas treatment device technical field, specifically is a kind of waste gas treatment device for pressure-sensitive adhesive production, including purification device, two placement frame 5 are rotatably connected on purification device, placement frame 5 is fixed by limiting structure, stirring structure is further equipped on purification device, the stirring rod of stirring structure is rotatably connected with placement frame 5, by the stirring rod rotation, make stirring rod to carry out stirring to the activated carbon in placement frame 5, can effectively prevent its local area adsorption saturation, active carbon can be contacted with waste gas simultaneously, continuously renewing adsorption surface, improve adsorption efficiency, stirring can also shake off the dust accumulated on the surface of activated carbon, avoid pore blockage, keep its adsorption activity.
Owner:惠州市强茂化工科技有限公司

An adjustable-angle rain lintel and carbon dioxide adsorption box

ActiveCN224422393Uprevent intrusionMeet the air flow requirements of adsorption operationsEnvironmental engineeringStormwater
This utility model provides an adjustable-angle rain lintel and carbon dioxide adsorption box, relating to carbon dioxide adsorption equipment. The rain lintel includes: a mesh plate having multiple continuous air inlet zones; multiple rain lintel units, each rain lintel unit including multiple stacked baffles and a first connecting rod, each baffle being rotatably connected to the mesh plate at the end near the air inlet zone and rotatably connected to the first connecting rod at the end away from the air inlet zone, forming an air inlet channel between adjacent baffles; and a linear drive mechanism for driving the first connecting rod of each rain lintel unit to move, thereby rotating the baffles of each rain lintel unit. The beneficial effects of this utility model are: under conditions of no sandstorms and no rainfall, airflow with a set direction is delivered to the mesh plate through the air inlet channel, meeting the airflow requirements for gas adsorption operations on the outlet side of the mesh plate; under severe conditions of sandstorms or rainfall, completely blocking the air inlet side of the mesh plate can effectively prevent sandstorms and rainwater from entering the interior.
Owner:CHINA ENERGY CONSTRUCTION (SHANGHAI) COMPLETE ENGINEERING CO LTD

Arginine-functionalized copper-aluminum layered double hydroxide, method of preparation and use

The application provides arginine functionalized copper-aluminum layered double hydroxide, a preparation method and application. The preparation method comprises the following steps: reacting an alkaline mixed reaction solution containing arginine, a copper salt and an aluminum salt, and aging after the reaction is completed to obtain arginine functionalized copper-aluminum layered double hydroxide. The arginine functionalized copper-aluminum layered double hydroxide provided by the application is suitable for extracting iodine from an iodine-containing material solution or separating bromine and iodine, has excellent adsorption efficiency and adsorption capacity for iodine, and the iodine-bromine separation factor can reach more than 300, so that the separation of bromine and iodine can be realized.
Owner:QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI

Active carbon organic waste gas purification device

The utility model belongs to the technical field of waste gas purification, and particularly relates to an activated carbon organic waste gas purification device which comprises a purification box, a gas inlet pipe is fixedly communicated with one side of the purification box, an exhaust pipe is arranged on the other side of the purification box, a purification mechanism is arranged in the purification box, and the purification mechanism comprises a supporting frame. The supporting frame is arranged on the inner side of the purifying box, an inner cavity of the supporting frame is movably connected with an activated carbon plate, an S-shaped hole is formed in the activated carbon plate, one end of the air inlet pipe penetrates through the inner side of the supporting frame and extends to an inner cavity of the S-shaped hole, and one side of the supporting frame is movably connected with a baffle. By arranging the purification mechanism and forming the S-shaped hole in the middle of the activated carbon plate, the retention time of gas in the activated carbon plate is prolonged, the contact area of the gas and activated carbon is increased, the adsorption efficiency is improved, the gas is uniformly distributed in the activated carbon plate, local adsorption saturation is avoided, and the service life of the activated carbon plate is prolonged.
Owner:浙江省环境科技股份有限公司

Composite material based on carbon molecular sieve supported metal-semimetal double monatomic catalyst and preparation method and application thereof

The invention discloses a preparation method of a metal-semimetal double-monatomic catalyst loaded on the basis of a carbon molecular sieve. The preparation method comprises the following steps: S1, carrying out activation pretreatment on a carbon molecular sieve carrier; s2, mixing the pretreated carbon molecular sieve powder with a copper salt and a selenium source, adding a solvent, stirring, and performing ultrasonic treatment to obtain precursor powder; and S3, putting the precursor powder obtained in the step S2 under inert atmosphere protection, and carrying out heat treatment. Through the electronic coupling and synergistic effect between copper and selenium atoms, the electronic structure of the catalyst can be precisely regulated and controlled, the efficiency of a reaction path is optimized, the interaction between copper and LiPSs is promoted, the catalytic performance of the catalyst is enhanced, in the adsorption and catalytic conversion process, the affinity of LiPSs and the catalyst is remarkably improved, the shuttle effect is inhibited, and the catalytic performance of the catalyst is improved. And the method has wide application prospect and important value in the research and practice of the lithium-sulfur battery.
Owner:ZHEJIANG WANLI UNIV

A method for preparing an antibiotic selective adsorbent

The application discloses a preparation method of an antibiotic selective adsorbent, first, C-BN nanosheet balls are prepared by a simple catalytic thermal evaporation method; second, the C-BN nanosheet balls are used as a main body to limit and load magnetic Fe3O4 nanoparticles; and then mesoporous SiO2 and imprinted polymers are coated on the surface of the C-BN nanosheet balls in sequence, and the tetracycline antibiotic selective adsorbent is obtained after template molecules are eluted. The tetracycline antibiotic selective composite adsorbent with high adsorption capacity is prepared, the high specific surface area of the carrier material and the enrichment antibiotic capacity of the radial structure and the selectivity of the surface molecular imprinting material are fully utilized, the selective adsorption of specific antibiotics in a complex solution is effectively realized, and the adsorption efficiency is effectively improved. The carbon-doped BN and the limited loading magnetic particles enhance the adsorption capacity, and the adsorbent can be quickly recovered and separated under an external magnetic field. Meanwhile, the SiO2 layer and the imprinted polymers enable the antibiotics to be quickly desorbed, and the cycle number is more, so that the antibiotic selective adsorbent has application prospects in the fields of sewage treatment and food antibiotic detection.
Owner:XIAN UNIV OF TECH

An apparatus and method for producing an epoxy resin

The application discloses an epoxy resin production device and method, and belongs to the technical field of epoxy resin production, which comprises a production container serving as a scrap iron removal reaction container, a magnetic bar capable of adsorbing scrap iron is installed in the production container, and the bottom end of the magnetic bar is fixedly connected with the central bottom surface of the production container. The application can effectively separate and filter the scrap iron in the epoxy resin solution by using one magnetic bar, energy is saved, and the separation efficiency is high. In the process of the floating of a large number of bubbles, the epoxy resin solution can be driven to flow, compared with the mode of stirring the epoxy resin flow by using a stirring rod, energy consumption is further saved, and noise is lower. In the production process, the bubbles discharged from the first air hole are used to continuously discharge the epoxy resin without scrap iron at the bottom through the discharge port, and the epoxy resin containing scrap iron is continuously added at a stable flow rate from the feeding port, so that the scrap iron removal efficiency is high.
Owner:SHANDONG AIMONT NEW MATERIAL CO LTD

A hydrogen peroxide tail gas adsorption device and adsorption system

This invention provides an adsorption device for hydrogen peroxide oxidation tail gas, comprising an adsorption tank, an inner filter cartridge, an outer filter cartridge, an adsorption chamber, several air inlets, an adsorption resin layer, an inlet pipe, and an outlet pipe; both the inner and outer filter cartridges are located inside the adsorption tank. This invention optimizes the traditional "flat-lay" structure into a "sleeve-type" coaxial double-layer filter cartridge structure, improving the contact efficiency between the tail gas and the resin, preventing the resin from being blown away or worn, extending its service life, and simplifying the filling process. The elimination of quartz sand filler also simplifies the filling process. The system adopts a "five-in-one-out" operating mode, enabling multiple adsorption tanks to operate in rotation. Combined with steam regeneration, nitrogen purging, and spray cooling processes, it achieves efficient resin regeneration and reuse, significantly reducing operating energy consumption and material replacement frequency. The adsorption system operates stably, has a compact structure, and can continuously and efficiently remove aromatic organic pollutants from the oxidation tail gas, balancing operational economy and environmental friendliness.
Owner:PINGHU PETROCHEM

Multi-nozzle vacuum pick-and-place module

The utility model provides a kind of multi-suction nozzle vacuum material taking and placing module, including substrate, several suction nozzle material taking and placing module and drive each the vertical motion drive mechanism of the suction nozzle material taking and placing module along the substrate up and down movement, each the suction nozzle material taking and placing module is slidably connected with the substrate by independent connecting component, the connecting component includes guide rail, slider, riser, the guide rail is installed in the substrate one side towards the suction nozzle material taking and placing module, the riser is fixedly connected with the suction nozzle material taking and placing module, the slider is fixedly installed in the riser one side towards the guide rail, the slider is driven along the guide rail under the drive of the vertical motion drive mechanism and slides up and down, to realize driving the suction nozzle material taking and placing module along the substrate up and down movement;The utility model's multi-suction nozzle vacuum material taking and placing module can realize the adsorption material quickly, and multiple suction nozzle vacuum material taking and placing module can be realized simultaneously adsorbing material.
Owner:ZHUHAI PEIYE INTELLIGENT EQUIP CO LTD

A cleaning mechanism for a vacuum system of an extruder

A purification mechanism for a vacuum system in an extruder includes a housing, a water supply tank, a water storage tank, and a connecting pipe. The housing contains a water seal layer. The top of the housing has an inlet pipe for connecting to the extruder's exhaust gas source and an exhaust pipe for connecting to the vacuum system. The downstream end of the inlet pipe extends downwards into the water seal layer. An overflow port, adapted to the height of the water seal layer, is located on the side wall of the housing. A filter frame is installed on the top of the water storage tank, below the overflow port. The water supply tank is located above the housing and connected to it via a float valve, the float of which floats on the water seal layer. The upstream end of the connecting pipe is connected to the bottom of the water storage tank, and the downstream end supplies water to the water supply tank. A water pump is installed on the connecting pipe. This invention has a simple structure, low operating cost, and can meet the need for removing impurities from extruder exhaust gas for extended periods.
Owner:YOUHE (CHONGQING) NEW MATERIAL CO LTD

Low-temperature demisting and white smoke removal and purification device for waste incineration flue gas treatment

ActiveCN121775560BAvoid secondary carryAvoid affecting the demisting efficiencyThermodynamicsFlue gas
This invention relates to the field of flue gas treatment technology, specifically to a low-temperature demisting and dewhitening synergistic purification device for waste incineration flue gas treatment. The device includes a housing assembly, inside which a low-temperature demisting cylinder, a synergistic dewhitening cylinder, and an emission cylinder are sequentially arranged, all three connected by a common ventilation pipe. A first spiral guide rod and a second spiral guide rod are rotatably installed in the ventilation pipe located on one side of the low-temperature demisting cylinder and at the interval between the low-temperature demisting cylinder and the synergistic dewhitening cylinder, respectively. The end of the first spiral guide rod extends outside the ventilation pipe and is fixedly mounted with a drive motor. The low-temperature demisting cylinder contains a first flow equalization plate, a filter disc, a condenser tube assembly, and a demisting component. This invention connects the low-temperature demisting cylinder, the synergistic dewhitening cylinder, and the emission cylinder in series to form a three-stage synergistic treatment process, achieving stratified purification and dewhitening of flue gas, significantly improving the purification efficiency and operational stability of waste incineration flue gas, while reducing energy consumption and maintenance costs.
Owner:KUNSHANLUCHENGLAJI POWER GENERATION CO LTD

Deep purification and cyclic utilization process for white oil of high-strength polyethylene gel spinning system

The invention belongs to the technical field of spinning, particularly relates to a high-strength polyethylene gel spinning system white oil deep purification and cyclic utilization process, and aims to solve the problems of incomplete purification, low cyclic utilization rate, unstable reuse quality, large adsorbent loss and high energy consumption in the prior art, and provides the following scheme: the method comprises the following steps: S1, collecting and pretreating crude white oil; the method comprises the following steps: collecting crude white oil generated in a high-strength polyethylene gel spinning extraction section, centrifugal deoiling and dry tail gas condensation, collecting the crude white oil into a crude white oil storage tank, adding a pretreatment aid into the crude white oil, and realizing deep purification and efficient circulation of the high-strength polyethylene gel spinning waste white oil through cooperation of a five-stage closed-loop process and five sets of customized formulas in a nitrogen protection atmosphere. The adsorption efficiency is improved by more than 35%, the index is close to that of fresh white oil, the cyclic utilization rate of the white oil is more than or equal to 95%, the consumption of each ton of fibers is reduced to below 1kg from 20kg, the hazardous waste output can be greatly reduced by more than 85% by the process, and VOC (volatile organic compounds) can be discharged after reaching the standard.
Owner:盐城优和博新材料有限公司

Red rice magnetic separation device capable of repeatedly adjusting precision

ActiveCN224181390UGuaranteed stabilityAchieve repeatable adjustmentSievingScreeningElectric machineMagnetic separator
The red rice magnetic separation device comprises a supporting frame, a feeding mechanism and a magnetic separation mechanism are arranged above the supporting frame, a magnetic separation bin is fixedly installed at the left end of the supporting frame, and the upper portion of the magnetic separation bin is communicated with a feeding bin; the feeding mechanism comprises a feeding limiting structure and a material dispersing structure, the magnetic separation mechanism comprises a permanent magnet roller, a driving motor and an adjustable scraper blade, a leakage net and a limiting baffle capable of being adjusted in a sliding mode are arranged in the feeding bin, and the material dispersing structure is matched with a spring body through a vibration motor to disperse red rice; the red rice magnetic separation device capable of repeatedly adjusting the precision is provided with the feeding mechanism and the magnetic separation mechanism, and the feeding mechanism remarkably improves the red rice separation uniformity through double optimization of flow adjustment and vibration dispersion; the magnetic separation mechanism achieves efficient impurity removal through dynamic adsorption of a permanent magnetic roller and convenient cleaning of a scraper, and the core problems that a traditional device is low in precision and many in impurity residues are solved through cooperation of the two.
Owner:LUCHUN COUNTY MEIMA AGRICULTURAL TECHNOLOGY DEVELOPMENT CO LTD

Industrial vocs adsorption integrated purification equipment

This utility model provides an integrated VOCs adsorption and purification device for industrial use, belonging to the field of air purification technology. It includes a housing, from bottom to top, comprising a filter chamber, a buffer chamber, and an exhaust chamber. An air inlet pipe is located on the outside of the filter chamber, and a filter unit with a filter cavity is installed inside the filter chamber. The air inlet pipe connects to the filter cavity. An air inlet connecting to the filter chamber is located at the bottom of the buffer chamber, and an air outlet connecting to the exhaust chamber is located at the top of the buffer chamber. An exhaust pipe is located on the outside of the exhaust chamber, and an exhaust fan is installed inside the exhaust chamber. The air inlet of the exhaust fan is connected to the air outlet, and the exhaust outlet of the exhaust fan is connected to the exhaust pipe. The integrated VOCs adsorption and purification device for industrial use provided by this utility model has a compact structure, high purification efficiency, stable operation, and convenient maintenance, meeting the needs of air pollution control.
Owner:NORTHERN ENG DESIGN & RES INST CO LTD

Efficient adsorption mechanism of gas purifier for laboratory decoration engineering

The utility model discloses an efficient adsorption mechanism of a gas purifier for laboratory decoration engineering, which comprises a gas inlet header pipe, a plurality of shunting branch pipes are movably arranged on one side of the gas inlet header pipe, a shunting plate is movably arranged on one sides of the shunting branch pipes, and a plurality of composite adsorption layers are movably arranged on one side of the shunting plate. The composite adsorption layers are in threaded connection, an air outlet cylinder is fixedly arranged on one side of each composite adsorption layer, a motor cylinder is fixedly arranged on the inner wall of each air outlet cylinder, a driving motor is fixedly arranged on the inner wall of each motor cylinder, and an air outlet header pipe is fixedly arranged on one side of each air outlet cylinder; different types of harmful gases are pertinently adsorbed through the multiple composite adsorption layers, large-particle impurities are filtered through the primary filter layer, acidic or alkaline harmful gases are adsorbed through a chemical reaction by the chemical adsorption layer, and small-molecule harmful gases are adsorbed by the physical adsorption layer through a molecular sieve, so that the adsorption efficiency and effect are greatly improved; various complex harmful gases can be effectively purified.
Owner:SUZHOU BEIYI ARCHITECTURAL DECORATION ENG CO LTD

Activated carbon material impurity atomization adsorption device

The utility model discloses an activated carbon material impurity atomization and adsorption device which comprises a mixing tank, a first feeding pipe is arranged on the upper surface of the mixing tank, an L-shaped fixing plate is fixedly connected to the upper surface of the mixing tank, a motor is fixedly connected to the upper surface of the L-shaped fixing plate, the output end of the motor is fixedly connected with a rotating shaft, and the rotating shaft is fixedly connected with a second feeding pipe. A charcoal box is fixedly connected to the lower end of the rotating shaft, and a second feeding pipe is arranged on the upper surface of the charcoal box. By arranging a motor, a rotating shaft, a carbon box, a second feeding pipe, a connecting shaft and stirring blades, activated carbon powder can make full contact with materials, so that the adsorption efficiency of impurities in the materials is improved, and by arranging a fixing box, a sliding rod, a limiting block, a spring, a sliding base, a U-shaped handle, a fixing column, a connecting base, an overturning base, a sleeve, a filter screen and other structures, the adsorption efficiency of the impurities in the materials is improved. And the activated carbon adsorbing impurities can be separated from materials, so that the subsequent working efficiency is improved.
Owner:NINGXIA CARBON-BASED ENV PROTECTION MATLS CO LTD

Adjustable electrostatic dust collection device suitable for chemical workshop

The adjustable electrostatic dust collection device comprises a dust collection box, a plurality of idler wheels are installed at the lower end of the dust collection box, a sliding groove is formed in the inner top of the dust collection box, and a sliding plate is connected to the inner wall of the sliding groove in a sliding mode. One side wall of the sliding plate is elastically connected with the inner wall of the sliding groove through a plurality of springs, an electrostatic dust collector is installed at the lower end of the sliding plate, a rotating shaft is rotationally connected to the inner wall of one side of the dust removal box, a cam is fixedly connected to the outer wall of the rotating shaft and matched with the electrostatic dust collector, and a dust outlet hopper is fixedly connected to the lower end of the dust removal box. And one side wall of the dust removal box is fixedly connected with two fixed plates. And by arranging the rotating shaft, the gear, the rack and other structures, the swing plate can drive the dust collection plate to swing, then the dust collection head can collect dust in the chemical workshop from different angles, the dust collection range is enlarged, and the dust collection efficiency is improved.
Owner:QINGDAO HANASI ENVIRONMENTAL PROTECTION EQUIPCO

Preparation method of attapulgite modified biochar and application of attapulgite modified biochar in petroleum pollution remediation

The invention discloses a preparation method of attapulgite modified biochar and application of the attapulgite modified biochar in petroleum pollution remediation, and relates to the technical field of environmental geochemistry. The attapulgite modified biochar provided by the invention can keep good adsorption performance on petroleum hydrocarbon in a saline-alkali environment, can be successfully applied to removal of hydrocarbon such as petroleum hydrocarbon, and can gradually break n-alkanes with relatively large carbon atoms to form n-alkanes with relatively small carbon atoms; aromatic hydrocarbon can be subjected to oxidation and ring-opening reaction to generate hydrocarbon with fewer carbon atoms, a petroleum-polluted sample is treated by the attapulgite modified biochar, the adsorption rate of petroleum hydrocarbon in the sample can be greatly improved, and the adsorption rates of the modified biochar BA400 and BA700 on petroleum hydrocarbon pollution in a saline-alkali environment are respectively improved by 17.66% and 26.29% compared with those of BC400 and BC700. Therefore, the attapulgite modified biochar provides a new method for treatment of saline alkali soil polluted by petroleum hydrocarbon.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

A wound debridement device for a hematological tumor patient

ActiveCN116421337Breduce the risk of infectionspeed up healingHematological TumorWound debridement
The present application relates to the technical field of medical devices, in particular to a wound debridement device for blood tumor patients, comprising a handle vertically arranged, an injection part, an adsorption part and a mounting part for clamping medical cotton, the lower end of the handle is provided with a placing cavity, the mounting part is arranged in the placing cavity, the injection part comprises a first cylindrical cavity, a first button, a vertical slide and a first flow channel arranged in the handle, the mounting part comprises a fixing block arranged in the placing cavity and detachably connected with the handle, when the medical cotton is clamped on the handle by the fixing block, part of the medical cotton extends out of the lower end of the handle through the center hole of the fixing block, and the adsorption part comprises a second cylindrical cavity, a second button and an adsorption channel arranged vertically. The present application is simple and fast in operation when debriding the wound of the patient, greatly shortens the debridement time and reduces the labor intensity of medical staff, simultaneously reduces the time of exposing the wound of the patient to the outside, reduces the risk of wound infection and improves the wound healing speed.
Owner:THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV

Silicate-chlorapatite composite material and preparation method and application thereof

The present application relates to the technical field of adsorption material preparation and heavy metal treatment, and particularly relates to a silicate-chloroapatite composite material, a preparation method and application thereof. The present application proposes a mechanism of "mineral phase reconstruction and functional component synergistic construction of high-density and high-energy adsorption sites", utilizes the characteristic of coexistence of multiple mineral components, and through synergistic induction of calcium source and phosphorus source, promotes the original mineral phase to be reconstructed into an amorphous porous silicate matrix with higher activity (adsorption site energy is higher), and in-situ generates chloroapatite with strong immobilization capacity for heavy metals. This not only realizes mineral structure activation and porous structure construction, but also forms a synergistic effect of silicate and chloroapatite in the adsorption process: chloroapatite and heavy metals such as lead form stable phosphorus-chlorine-lead ore solidification products, and the reconstructed silicate and calcium ions provide efficient ion exchange sites, improve the site energy of the adsorption sites, and thus improve the removal efficiency of heavy metals in a wide concentration range.
Owner:INNER MONGOLIA UNIVERSITY

A method for breaking emulsion of aged oil

PendingCN122256034ALarge specific surface areaInterference with subsequent process reactionsDewatering/demulsification with chemical meansSludgePhosphate
The present application relates to oil and gas field development and environmental protection technical field, especially an aging oil demulsification treatment method, comprising: mixing fly ash and sodium hydroxide, then calcining, acid leaching, then mixing with oily sludge and ferroferric oxide, reduction reaction, mixing the reduction reaction product with 3-mercaptopropyl triethoxysilane, modification reaction, to obtain magnetic adsorbent; mixing aging oil, partial phosphate and water, stirring, standing and separating, to obtain pretreated aging oil; adding magnetic adsorbent, complexing agent, wetting reverse agent and demulsifier to the pretreated aging oil, stirring, then microwave irradiation treatment, magnetic separation, vortex separation and centrifugal dewatering, to obtain purified oil. The present application removes FeS particles by magnetic adsorbent, combines with multi-assistant component synergistic demulsification and multi-field coupling physical separation, destroys the stable emulsification system of aging oil, and the process is efficient, suitable for industrial demulsification treatment of high stability aging oil.
Owner:XI'AN PETROLEUM UNIVERSITY

Filtering device of gaseous conveying compressor for environmental protection engineering construction

This invention relates to the field of waste gas purification technology and discloses a filtration device for a gaseous conveying compressor used in environmental engineering construction. The device filters gas before it enters the compressor to prevent impurities from entering. It includes a filter cylinder for filtering the gas. An inlet pipe is fixedly connected to the left side of the filter cylinder, and a delivery pipe is fixedly connected to the right side. A primary filter screen is fixedly connected to the inner wall of the inlet pipe for preliminary filtration of the gas flowing into the inlet pipe. In this invention, the adsorption box is pulled out of the frame and removed from the filter cylinder by a pull plate, facilitating the cleaning of the activated carbon inside the adsorption box. The gas flow rate slows down after contacting the spiral plate, allowing sufficient time for filtration in the adsorption box, thus improving the filtration effect. The gas diffuses outwards due to centrifugal force, quickly entering the adsorption box for filtration, further improving filtration efficiency.
Owner:胡建美

Working cabin air purification device

The utility model discloses a working cabin air purification device which comprises a heating structure, a medicine mixing structure arranged at the top of the heating structure, a medicine feeding tank body detachably connected to the bottom end of the medicine mixing structure, a heat conduction plate arranged at the bottom of the medicine feeding tank body, and a heat exchange plate arranged at the bottom of the heat conduction plate. The top of the medicine feeding tank body is detachably connected with a cover body, the heating structure comprises a supporting disc, a heating plate is arranged at the top of the supporting disc, a heating rod is arranged in the center of the top of the heating plate, and a groove hole corresponding to the heating plate is formed in the bottom of a heat conduction plate. According to the air purification device, modular design, intelligent control and a multi-layer purification mechanism are adopted, air can be efficiently and conveniently purified in an energy-saving mode, the air purification device is particularly suitable for a special working cabin environment needing highly-cleaned air, and the overall structure is simple and practical.
Owner:JIANGSU ANBANG WEIYE ARTIFICIAL ENVIRONMENT

A plastic bottle sol sol waste gas recovery device

ActiveCN224699921UReduce the temperatureReduce subsequent processing load
The utility model discloses belong to sol waste gas recovery technical field, concretely be a kind of plastic bottle sol waste gas recovery device, including closed sol device, closed sol device exhaust hole intercommunication setting gas collection cover, gas collection cover outside intercommunication setting exhaust pipe, condensing component includes the condenser being set intercommunication with exhaust pipe, condenser air inlet end and exhaust pipe end intercommunication, condenser is set collection groove in, adsorption component and condenser exhaust end butt joint, after the waste gas secondary processing condenser of condenser processing can remove high-temperature steam and soluble material, reduce waste gas temperature, reduce subsequent processing load, the design of gas distribution plate+shunt hole, can optimize airflow distribution, avoid adsorption dead angle, improve adsorption efficiency, and air purifier can carry out final purification to the gas after adsorption processing, ensure that emission gas meets environmental protection standard.
Owner:HUBEI MINGERTAI PLASTICS CO LTD