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7858 results about "Waste gas" patented technology

Healthcare workers in a variety of settings can be exposed to the anesthetic gases that are released or leak out during medical procedures. These gases and vapours are known as waste anesthetic gases (WAGs).

Fuzzy control-based smelting waste gas recycling optimization system

The invention discloses a smelting waste gas recycling optimization system based on fuzzy control, and relates to the technical field of automatic control. The problems of low control precision and response lag caused by the fact that an existing static membership function cannot adapt to multi-scale working condition changes in real time are solved. Comprising a sensing acquisition module, a membership reconstruction module, a feature decoupling module, a coupling compensation module, a rule optimization module and an execution control module. Standardized data are acquired through sensing acquisition and filtering, an adaptive membership function is constructed by adopting incremental fuzzy clustering, and closed-loop self-correction of a multi-modal control instruction is realized by combining wavelet packet decoupling, feed-forward compensation and double-depth Q network reinforcement learning online optimization; the waste gas desulfurization efficiency, energy consumption optimization and treatment system stability of waste gas treatment can be effectively improved.
Owner:XICHUAN BEIJING JINYANG VANADIUM IND CO LTD

Temperature control system

The invention relates to the technical field of industrial equipment temperature control, and discloses a temperature control system, which comprises a multi-source state sensing module for acquiring a power load, temperature, humidity and feedback temperature; the feed-forward prediction and analysis module is used for generating a feed-forward signal based on the load and the temperature; the closed-loop feedback and safety guarantee module is used for calculating a feedback signal according to the temperature deviation; the cooperative control decision module combines the feed-forward signal and the feedback signal to generate a fan instruction, and generates a baffle instruction for balancing heat dissipation and regeneration according to the feed-forward signal and humidity; the self-adaptive heat dissipation execution module is used for executing a fan instruction to generate cooling airflow; and the dynamic energy regeneration module executes a baffle instruction to distribute the waste gas flow direction. According to the method, the power load is introduced to serve as a prospective index, correction is conducted in combination with the environment temperature, a predictive heat dissipation control model is constructed, the system can start heat dissipation adjustment before a large amount of heat is generated, and therefore smooth and stable control over the equipment temperature is achieved.
Owner:BEIJING HAINACHUANRUIYANXINGGU AUTO PARTS CO LTD

Gas waste heat utilization method and system based on artificial intelligence

The invention relates to the technical field of gas waste heat utilization, and discloses a gas waste heat utilization method and system based on artificial intelligence. The method comprises the steps that sensor parameters of the gas extraction system are collected in real time and processed, and a standardized data set is obtained; the standardized data set is input into a fusion convolution Transform neural network for analysis modeling, and a gas waste heat prediction model is obtained; performing decision analysis on gas waste heat utilization based on the gas waste heat prediction model and a preset expert knowledge base to obtain a control strategy; and performing parameter regulation and control on a heat exchanger, a waste heat boiler, a circulating pump and control valve equipment according to the control strategy to obtain a gradient utilization execution scheme. The gas waste heat recovery strategy is dynamically adjusted, and the safety of the system is guaranteed while it is ensured that gas waste heat is efficiently recovered.
Owner:JINCHENG LANYAN COAL IND CO LTD CO LTD CHENGZHUANG MINE

Method for selecting high-concentration VOCs adsorbent at different temperatures and application

The invention provides a method for selecting a high-concentration VOCs adsorbent at different temperatures and application, and belongs to the technical field of waste gas governing. According to the method, through testing pore structure parameters of a model adsorption material with concentrated pore size distribution, a static adsorption isotherm and a dynamic penetration curve for VOCs at different temperatures, a high-concentration VOCs adsorbent is obtained; a linear relation equation of the critical aperture and the critical pressure is established through linear fitting, then a correlation equation of the critical aperture, the temperature and the partial pressure is established, and the appropriate aperture distribution range and the model selection standard of the high-concentration VOCs adsorbent at different temperatures are determined by combining dynamic adsorption results. According to the method, the ternary matching relation equation of the VOCs partial pressure, the temperature and the critical aperture is constructed, accurate type selection of the high-concentration VOCs adsorbent at different temperatures is achieved, the pore volume utilization rate and the adsorption capacity can be improved, meanwhile, desorption energy consumption and the VOCs pyrolysis risk are reduced, and a theoretical basis is provided for adsorbent type selection and technical optimization.
Owner:UNIV OF CHINESE ACAD OF SCI

Aluminum ash pickling device

An aluminum ash pickling device, which relates to the technical field of pickling devices, and comprises a pickling tower (1); and a filtering mechanism comprises a filter screen (8), a rotating shaft (9), a cleaning brush (10) and a rotating disc (11). By means of the filter screen (8), when an induced draft fan (4) drives waste gas to an air intake pipe (2), the waste gas is filtered by the filter screen (8) before entering the pickling tower (1); and under the action of the induced draft fan (4), wind power generated by the waste gas pushes the rotating disc (11) to drive the rotating shaft (9) to rotate, the rotating shaft (9) drives the cleaning brush (10) to rotate, the cleaning brush (10) agitates dust on a surface of the filter screen (8) during rotation, and at this point, the dust is loosened and comes off the surface of the filter screen (8), thus reducing the probability of the filter screen (8) being blocked, and preventing the circulation of the waste gas from being affected. When the wind power is small, the dust falls downward into a collecting box (12), a rotating cover (14) is rotated to release the connection between the rotating cover (14) and an external thread (13), and at this point, the dust accumulated in the collecting box (12) flows downward, such that a worker can collect the dust, thus preventing a small amount of aluminum ash from entering the pickling tower (1) along with the induced draft fan (4) and mixing with an agent which would otherwise impair the treatment efficiency of ammonia gas.
Owner:YICHUN FURUI GAS CO LTD

Multi-RTO cooperative control system and method based on DCS

The invention provides a DCS-based multi-RTO cooperative control system and method, and overcomes the bottleneck of traditional waste gas treatment. The system comprises double waste gas pipelines, a DCS central controller and other modules, modes can be switched according to whether the waste gas concentration reaches a preset threshold value or not, high-concentration waste gas is subjected to two-stage oxidation during series connection, and loads are distributed according to the flow weight during parallel connection, so that the energy consumption deviation is smaller than or equal to 5%; the fan cooperation module synchronously adjusts the frequency of a main fan through a PID algorithm by taking the pressure of a header pipe as a reference to meet the dynamic balance relationship of the pressure; and the fault detection module isolates a fault unit in a scanning period, redistributes a load and maintains the total processing amount, and cuts in at a fan frequency raising rate after repair. The method comprises the steps of concentration monitoring, mode switching triggering, pressure PID control, fault processing and the like. The adaptability of the system to concentration fluctuation is improved, the waste gas treatment efficiency and stability are improved, energy consumption is reduced, production continuity and environmental protection compliance are guaranteed, and the system is suitable for industrial waste gas treatment.
Owner:SUPCON TECH CO LTD

Heat energy recovery device for cascade reutilization of waste heat of exhaust gas of biogas internal combustion engine

The invention discloses a biogas internal combustion engine exhaust gas waste heat cascade reutilization heat energy recovery device which comprises an exhaust gas conveying pipeline, a heat exchange cavity is formed in the exhaust gas conveying pipeline, a plurality of tower-shaped spiral heat exchange pipelines are arranged in the heat exchange cavity, the multiple heat exchange pipelines are vertically and sequentially distributed, the heat exchange pipelines are corrugated pipelines, and the heat exchange pipelines are communicated with the heat exchange cavity. A power rod is arranged in the middle of the heat exchange pipeline; the vibration motor and the power rod are arranged in the waste gas conveying pipeline, so that the power rod can guide and transmit the driving force of the vibration motor to the tower-shaped spiral heat exchange pipeline capable of extending and contracting through the hard connecting structure or the soft connecting structure, and the heat exchange pipeline can shake up and down in the heat exchange operation period; and therefore, water flowing in the pipeline can be driven to roll up and down, the water flowing in the pipeline can be more sufficiently and uniformly attached to the inner wall of the heat exchange pipeline, the heating area of the pipeline is more uniform, and the overall heat exchange effect is effectively improved.
Owner:CHANGZHOU UNIV

Organic waste gas treatment device based on adsorption and desorption treatment of zeolite molecular sieve

The invention provides an organic waste gas treatment device based on zeolite molecular sieve adsorption and desorption treatment. The organic waste gas treatment device comprises an efficient pretreatment unit, a composite zeolite molecular sieve adsorption tower group, a plasma-assisted microwave-hot air regeneration unit, a multi-mode tail gas treatment unit, a digital twin intelligent regulation and control system and a modular expansion interface. By integrating the high-precision VOCs analyzer, the self-adaptive airflow controller, the infrared spectrometer, the multi-channel heat recoverer, the high-performance edge computing server and the intelligent pneumatic valve system, the optimized processing method realizes accurate execution of a formula, the VOCs removal rate is remarkably increased, and carbon loss and energy consumption are reduced. The method has the remarkable advantages in the aspects of VOCs removal rate, zeolite regeneration efficiency, energy consumption control and operation cost, meanwhile, through deep intelligent regulation and multi-mode treatment, the efficient, stable and low-cost VOCs treatment requirements under complex working conditions are met, and an innovative solution is provided for industrial waste gas treatment.
Owner:JIANGSU QIQING ENVIRONMENTAL TECH CO LTD

Waste anesthetic gas purification device

The invention relates to the technical field of medical instruments, and discloses an anesthetic waste gas purification device which comprises a confluence shell and a water collection tank, a support is arranged on the inner side of the water collection tank, and a water collection cavity is formed between the support and the water collection tank; the bottom of the confluence shell is connected with an air outlet pipe through a guide part; an activated carbon filter plate capable of floating up and down in the axial direction is mounted on the inner side of the guide part; a condensation cover is installed on the top of the confluence shell and comprises a top cover, an air inlet pipe is installed on the top cover, a bottom plate is connected to the lower portion of the top cover, and a refrigeration module is installed below the bottom plate. Waste anesthetic gas penetrates through the purification device from top to bottom to be purified, condensate formed in the condensation cover converges to the water collection tank under the action of gravity and airflow blowing, and collection is convenient; the activated carbon filter plate can float in the axial direction, pressure balance can be achieved through automatic downward movement when the up-down pressure difference is large, and the risk that the pore structure of the activated carbon filter plate is damaged is reduced.
Owner:GENERAL HOSPITAL OF NUCLEAR IND

A foul gas treatment device for disposing of dead animals

The present application relates to waste gas treatment technical field, specifically for a kind of foul smell tail gas treatment device for disposal of sick and dead animals, including the spray tower being arranged on rack, filter mechanism for purifying spray water being arranged inside the spray tower and flushing mechanism for washing filler ball being arranged on the rack, the spray tower includes the tower shell assembly being arranged on the rack, spray assembly being arranged inside the tower shell assembly and filling assembly for dynamically distributing filler ball being arranged inside the tower shell assembly;The present application can dynamically layout filler ball, change the flow path of tail gas upwards, increase the residence time of tail gas, increase the reaction contact surface of filler ball and tail gas, ensure that tail gas can fully react with spray water, improve the purification efficiency of tail gas, solve the technical problem that hollow ball filler in the interior of traditional spray tower is static placed, leading to lower tail gas purification efficiency.
Owner:NANJING TIQIAO AGRI DEV CO LTD

Recycling device and recycling method for photovoltaic multi-layer stacked assembly

The invention discloses a recovery device and a recovery method for a photovoltaic multi-layer stacked assembly. The recovery device comprises a dismounting unit, a pyrolysis unit and a waste gas treatment unit which are arranged in sequence, the pyrolysis unit comprises a tunnel kiln, a bearing assembly and a conveying assembly. The recycling method comprises the steps that S1, the disassembling unit is used for disassembling, and the frame is stripped; s2, the photovoltaic multi-layer laminated assembly is sent to a pyrolysis unit for pyrolysis, and a glue film layer in the photovoltaic multi-layer laminated assembly is removed; and S3, the waste gas is discharged after being treated. By means of the innovative disassembling system, the multi-plate stacking tunnel kiln pyrolysis scheme and the multi-stage waste gas treatment system, the industrial production capacity of treating 1-3 tons of photovoltaic panels per hour can be achieved, the pyrolysis effect is good, the silicon material recovery rate can reach 98.5% or above, energy consumption is low, and the tail gas emission index is superior to the national standard by 50% or above.
Owner:HUNAN JINLU TECH CO LTD

Plasma tail gas treatment device

The utility model relates to the technical field of semiconductor tail gas treatment, in particular to a plasma tail gas treatment device which comprises a reaction assembly, a cooling pipe, a washing assembly, a water-gas separation assembly and a gas outlet pipe, the washing assembly comprises a water tank and a washing pipe, and the cooling pipe and the washing pipe are both fixedly installed above the water tank; the reaction assembly comprises a reaction cavity, an air inlet pipe and a plasma torch; an annular air plate for inputting combustion air is connected between the reaction cavity and the cooling pipe; spraying pipes for washing gas are arranged in the water tank and the washing pipe; the water-gas separation assembly comprises a water-gas separation pipe and a water-gas separation mechanism. According to the utility model, the plasma moment and the washing assembly are used for carrying out full treatment and spray hydrolysis on process gas, so that water-soluble substances are discharged as wastewater, and the treated gas reaching the standard is discharged to a common affair central system, so that full treatment of waste gas is completed; and the air supplementing mechanism is arranged for secondary air supplementing, and meanwhile, when the plasma moment loses efficacy, the air flow can be increased to dilute the waste gas.
Owner:上海高笙集成电路设备有限公司

Air suspension fan predictive maintenance method and system based on digital twinning

The invention provides a predictive maintenance method and system for an air suspension fan based on digital twinning, and the method comprises the steps: collecting an air flow abrupt change characteristic when high-temperature dust-containing waste gas flows into the air suspension fan, transmitting the air flow abrupt change characteristic to a digital twinning system, and determining the air flow abrupt change characteristic; extracting a local clearance reduction trend of the foil and the bearing from the non-uniform expansion amount of the foil, and calculating space distribution after clearance reduction to obtain a target gas film thickness value; the target gas film thickness value is compared with a preset collision and abrasion threshold value, and if the target gas film thickness value is smaller than the threshold value, the collision and abrasion risk probability is evaluated through a Monte Carlo method; if the collision and abrasion risk probability exceeds a preset safety range, calculating a gas film rigidity fluctuation range based on a gas dynamics theory; and extracting a vibration amplitude analysis result from the dynamic response parameters of the foil bearing of the air suspension fan, and calculating a stability prediction index.
Owner:LAITZ INTELLIGENT EQUIP (GANZHOU) CO LTD

Method and system for detecting abnormal operation state of waste gas purification equipment

The invention discloses an abnormal operation state detection method and system for waste gas purification equipment, and relates to the field of fault detection. The method is applied to the detection equipment and comprises the following steps: acquiring multi-source sensor data of the purification equipment; calculating a fluctuation index of the multi-source sensor data, and updating the fluctuation index to a preset fault influence relation graph; determining a plurality of abnormal equipment nodes according to the fluctuation indexes of the plurality of equipment nodes; traversing the fault influence relation graph by taking the plurality of abnormal equipment nodes as starting points to obtain a plurality of fault chains; calculating chain responsibility degrees of the plurality of fault chains, and determining the fault chain with the maximum chain responsibility degree as a root cause result; and the root cause result is output to an equipment management interface, so that troubleshooting personnel can rapidly troubleshoot abnormal causes. By implementing the technical scheme provided by the invention, the problem of low troubleshooting efficiency caused by various and complex fault types of the waste gas purification equipment is solved.
Owner:HUBEI SANJIANG COATING EQUIP ENG CO LTD

Hinge barrel air duct

A hinge barrel air duct has an elongated body configured to be positioned adjacent to the top panel of an information handling system having a chassis to which the top panel is pivotally connected by a hinge assembly. An exhaust intake is formed in a region of the elongated body of the hinge barrel air duct. The exhaust intake receives exhaust airflow expelled from the chassis. An exhaust outlet is formed in another region of the elongated body of the hinge barrel air duct. The exhaust outlet redirects exhaust airflow away from the chassis.
Owner:DELL PROD LP

Online detection method for volatile organic compounds in waste gas

The invention discloses an on-line detection method for volatile organic compounds in waste gas, and belongs to the field of waste gas emission monitoring, the detection method comprises the following specific steps: I, starting a quantum cascade laser frequency comb of a middle infrared band, calibrating various parameters of the quantum cascade laser frequency comb, and ensuring to cover a characteristic absorption area of the volatile organic compounds in the waste gas; iI, inputting the waste gas into a gas detection chamber through a sampling pipeline, monitoring the state of the waste gas in real time, and dynamically adjusting the conditions of the gas detection chamber according to various collected signals; the device can capture instantaneous fluctuation of waste gas concentration in real time, meets the high-speed dynamic emission monitoring requirement, has extremely high coherence and narrow linewidth, can analyze tiny spectral line differences which cannot be distinguished by a traditional spectrograph, remarkably improves the detection precision and the recognition capability, ensures that a measurement result still keeps consistency and high reliability under different working conditions, and is suitable for large-scale popularization and application. The signal-to-noise ratio is obviously improved, the power drift is reduced, and long-time stable operation is realized.
Owner:JIANGSU BORN ENVIRONMENTAL PROTECTION TECH CO LTD

Kr separation method and system based on selective desorption, terminal and storage medium

The invention relates to a Kr separation method and system based on selective desorption, a terminal and a storage medium, and relates to the technical field of rare gas purification. Calculating the difference between the quotient of the historical krypton loss amount and the adsorption column mass and the initial unit krypton adsorption amount to generate the actual unit krypton adsorption amount; calculating the quotient between the product of the actual unit krypton adsorption quantity and the mass of the adsorption column and the flow velocity of the single to-be-adsorbed air so as to generate actual adsorption time; controlling the first-stage adsorption column to adsorb the to-be-adsorbed air according to the actual adsorption time so as to generate a to-be-separated adsorption column; controlling the adsorption column cleaning device to clean the adsorption column to be separated according to the actual unit krypton adsorption quantity, and collecting desorbed gas after cleaning to the waste gas storage device; and performing desorption operation on the cleaned adsorption column, controlling a gas collection device to collect desorbed gas, and heating and activating the first-stage adsorption column to recover the adsorption capacity. The application has the effect of reducing krypton loss.
Owner:HANGZHOU XIANGTING TECH

Rapid recovery device for fluorine chemical flue gas

The invention relates to a rapid recovery device for fluorine chemical flue gas, which comprises a washing tower, a spraying device arranged in the washing tower, a filler supporting plate arranged in the washing tower and used for supporting filler and ensuring gas-liquid circulation, a demisting plate arranged in the washing tower, and a tank body fixedly mounted at the top of the washing tower, a sealing cover is arranged at the top of the tank body; the convex seat is arranged on the inner wall of the tank body, and an air hole is formed in the bottom of the convex seat; the curved plate is fixedly mounted on the outer wall of the convex seat; the adsorption bin sleeves the circumferential surface of the convex seat; the rollers are fixedly mounted at the bottom of the adsorption bin; the connecting disc is fixedly mounted at the top of the adsorption bin; the T-shaped rod is fixedly mounted at the top of the connecting disc; the rotating shaft is slidably installed on the circumferential face of the T-shaped rod and rotationally penetrates through the top of the sealing cover. Crystal substances in waste gas can be prevented from depositing at fixed positions to block pores of activated carbon, so that the adsorption efficiency of the activated carbon is maintained, and the replacement frequency is reduced.
Owner:SANMING UNIV

Rice drying moisture content fusion prediction method based on stage perception residual learning

The invention relates to a phase perception residual learning-based rice drying moisture content fusion prediction method, which comprises the following steps of: acquiring multi-dimensional data in a rice drying process, preprocessing, dividing three drying phases based on a change rate of relative humidity of waste gas, and continuously optimizing; an improved Page model is constructed, drying coefficients k and n are fitted in stages, k is associated with the hot air temperature through an Arrhenius formula, n is associated with the hot air temperature through a quadratic equation, and a physical baseline predicted value is generated after parameters are optimized through a deep bed test; calculating a residual error between the actual moisture content and the physical baseline, and training the LSTM network by taking the residual error as a target to enable the LSTM network to learn nonlinear features which cannot be described by a physical model; and fusing the physical baseline of the improved Page model and the residual error predicted by the LSTM to obtain a final fusion prediction result. The method not only ensures the physical rationality of the prediction result, but also improves the precision and generalization ability, and is suitable for intelligent regulation and control of the rice drying process.
Owner:HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY

Ship exhaust gas multi-component synchronous online monitoring system and method based on laser Raman spectrum

The invention belongs to the technical field of gas detection, and relates to a ship exhaust gas multi-component synchronous online monitoring system and method based on a laser Raman spectrum. The system comprises a sampling module, a preprocessing module, an analysis module, a data processing module, a blowback module and a flow measurement module. The method comprises the following steps: starting and self-checking the system; sample collection, pretreatment and flow velocity measurement; laser excitation and signal acquisition; carrying out spectrum analysis and concentration inversion; data output and system maintenance; and performing periodic automatic calibration. According to the invention, a complete monitoring process chain from sampling, pretreatment, flow measurement, analysis to back flushing is creatively integrated. The high-efficiency pretreatment and back flushing design greatly reduces the influence of high-dust and high-humidity environment on the analysis system, and ensures the long-term stability and reliability of the system.
Owner:QINGDAO JIERUI IND CONTROL TECH CO LTD

Waste gas treatment device based on stink organic waste gas

The utility model relates to the technical field of waste gas treatment, in particular to a waste gas treatment device based on malodorous organic waste gas, which comprises a box body provided with a gas inlet, a containing cavity and a gas outlet, and the gas inlet, the containing cavity and the gas outlet form a waste gas treatment channel; the treatment assembly is arranged in the containing cavity and comprises at least two electrochemical oxidation units which are arranged in series in the air inlet direction, and each electrochemical oxidation unit is composed of an electro-catalysis set and a chemical catalyst plate which are connected. The multiple electrochemical oxidation units are arranged in the box body in the air inlet direction in series, waste gas is cooperatively treated through electro-catalysis and chemical catalysis, large-batch stink organic waste gas which is continuously and rapidly introduced can be effectively treated, it is ensured that gas at an air outlet reaches the emission standard, energy consumption is reduced, meanwhile, the treatment effect is improved, and the treatment cost is reduced. The environment-friendly requirement is met. In addition, the requirement of secondary treatment can be avoided, the overall treatment efficiency is improved, and the subsequent treatment cost is reduced.
Owner:SHANG HAI WO DE XIN FENG HUAN JING KE JI YOU XIAN GONG SI

Heat energy cyclic utilization control system and method for copper-clad plate factory

The invention discloses a heat energy cyclic utilization control system and method for a copper-clad plate factory, and relates to the technical field of heat energy cyclic utilization. The heat energy cyclic utilization control system for the copper-clad plate factory comprises a heat energy circulation module, wherein high-temperature waste gas is introduced to perform efficient countercurrent heat exchange with low-temperature high-medium heat-conducting oil; the temperature-pressure dynamic model building module is used for building a temperature-pressure coupling function according to the thermal expansion and phase change characteristics of the medium and building a temperature-pressure dynamic model in combination with the basic equation and the temperature-pressure coupling function; the temperature and pressure coupling optimal control sequence determination module is used for solving an optimal control sequence in a prediction window through a rolling optimization algorithm; and the heat energy utilization module is used for inputting the high-temperature and high-medium heat conduction oil obtained by heating in the heat energy circulation module into a plurality of heat utilization devices according to the optimal control sequence. According to the method, the optimal control sequence in the prediction window is solved through the rolling optimization algorithm to dynamically adjust the operation parameters of the system, and the problem that the heat energy circulation efficiency is reduced in the prior art is solved.
Owner:JIANGXI RUIGONG NEW MATERIAL CO LTD

Drying machine for sludge treatment

The drying machine for sludge treatment comprises a drying cylinder, a conveying device and a waste gas treatment device, a feeding opening is formed in the top of the drying cylinder and communicates with the conveying device, a jacket is arranged on the outer wall of the drying cylinder, an electric heating wire is arranged in the jacket, and two rotating shafts are symmetrically arranged in the drying cylinder; a plurality of hollow blades are evenly welded to the side wall of each rotating shaft, the right side of the top of the drying cylinder is connected with a waste gas treatment device, and the waste gas treatment device comprises a cyclone separator and a waste gas filtering tank; generated waste gas is introduced into the cyclone separator, dust in the waste gas is separated out by utilizing centrifugal force generated by the cyclone separator, the separated gas enters the waste gas filtering tank, harmful impurities in the gas are adsorbed and filtered by the activated carbon layer, and the treated gas is discharged into the atmosphere, so that the pollution of the dust and the harmful impurities to the environment is reduced; to-be-dried sludge is heated through the inner wall of the drying cylinder, the rotating shaft and the electric heating wires in the hollow blades, the heating area is increased, and the drying efficiency is improved.
Owner:NINGXIA JIANONG ENVIRONMENTAL PROTECTION TECH CO LTD

Potassium nitrate purification device

The invention relates to the technical field of nitrate production, in particular to a potassium nitrate purification device which comprises a dissolving tank, a filtering device, a crystallization kettle, a centrifugal machine and a drying machine with a steam jacket which are sequentially connected in series through pipelines. The dissolving tank first jacket is connected with a heat source through a circulating pipeline; a liquid outlet of the centrifugal machine is sequentially connected with the cyclone separator, the ceramic membrane filter, the cationic resin column, the first temporary storage tank and the heat source, and the first heat exchanger and the second heat exchanger are sequentially installed between the first temporary storage tank and a heating medium inlet of the heat source. A steam outlet pipeline of the steam jacket is connected with a heat medium inlet of the first heat exchanger, the first heat exchanger is connected with the second temporary storage tank through a pipeline, and the second temporary storage tank is connected with the heat source through a pipeline. A pipeline of the second vacuum unit is connected with a thermal medium inlet of a second heat exchanger, and the second heat exchanger is connected with a second temporary storage tank. According to the method, the potassium nitrate purification efficiency, the product purity, the resource utilization rate and the energy economy are synergistically improved.
Owner:SHANDONG YUYUAN GROUP

Waste gas purification environment-friendly equipment

The invention discloses waste gas purification environment-friendly equipment, and relates to the technical field of waste gas purification. The waste gas purification environment-friendly equipment comprises a shell, and the interior of the shell is rotationally connected with second filter screen equipment through a first rotating shaft; the inner side of the shell is fixedly connected with a first fixing table, the interior of the first fixing table is movably connected with a second rotating shaft, the outer side of the second rotating shaft is fixedly connected with blades, the top of the second rotating shaft is fixedly connected with a water tank, the outer side of the water tank is fixedly connected with a water outlet, the top of the water tank is fixedly connected with a movable connector, and the top of the movable connector is movably connected with a water inlet pipe. A second fixing table is fixedly connected to the inner side of the shell, a plurality of protruding blocks are fixedly connected to the inner side of the second fixing table, a first hydraulic block is fixedly connected to the bottom of the second rotating shaft, and the first hydraulic block is movably connected with the first rotating plate through a transmission piece. According to the waste gas purification environment-friendly equipment, waste gas flows upwards, the water inlet sprays water downwards, the filtering efficiency of the equipment is improved, and the service life of the equipment is prolonged.
Owner:HEFEI YUMAN PAINTING EQUIPMENT CO LTD

Self-cleaning circulating type industrial organic waste gas activated carbon adsorption tower

The invention relates to the technical field of activated carbon adsorption towers, in particular to a self-cleaning circulating type industrial organic waste gas activated carbon adsorption tower which comprises an adsorption tower body, an adsorption mechanism is arranged on the outer side of the adsorption tower body, and a recycling mechanism is arranged on the front side of the adsorption mechanism. The adsorption mechanism comprises a vibration assembly, a sweeping assembly, a leading-in assembly, a conveying assembly and a flow dividing assembly, the vibration assembly is arranged on the inner side of the adsorption tower body, the sweeping assembly is arranged on the inner side of the vibration assembly, the leading-in assembly is arranged on the inner side of the vibration assembly, and the conveying assembly is arranged on the top of the vibration assembly; the flow dividing assembly is arranged on the front side of the conveying assembly. The invention provides a self-cleaning circulating type industrial organic waste gas activated carbon adsorption tower which is provided with a structure for circularly cleaning and recycling residual impurities, so that the residual impurities on the surface of an activated carbon plate can be cleaned and recycled, and the long-term use stability of the activated carbon plate is improved.
Owner:SUZHOU WANSHIYI ENVIRONMENTAL PROTECTION RES CO LTD

Carbon capture process adaptive scheduling and optimization method oriented to fluctuating gas source

The invention discloses a fluctuating gas source-oriented carbon capture process adaptive scheduling and optimization method, and belongs to the technical field of industrial waste gas treatment. According to the technology, the problems of low operation efficiency, high energy consumption and easiness in flooding of a carbon capture system during large-amplitude high-frequency fluctuation of flue gas flow are solved. According to the scheme, the method is characterized by comprising the steps that a bidirectional vortex street flow sensing array is arranged in a flue gas pipeline, and flue gas flow fluctuation amplitude and high-frequency pulsation time proportion in a statistical window are calculated in real time; constructing a target function fused with fluctuation intensity to optimize steam and compressor energy consumption; compensation based on a risk prediction function and a flow component second derivative is carried out on the absorbent circulation flow of the flooding sensitive frequency band; in the flue gas rising period, the pressure set value of the regeneration tower is adjusted according to the flow change rate, and fluctuation propagation is blocked; upon detection of extreme fluctuations, the absorbent flow rate change rate is constrained and compensation is suspended. The method is mainly used for improving the operation stability and energy efficiency of the carbon capture system under the fluctuating gas source condition.
Owner:CHINA HARBOUR ENGINEERING

Volatile organic compound (VOC) waste gas recovery treatment device for color-coated sheet production

The invention discloses a VOC waste gas recovery treatment device for color-coated sheet production, and relates to the technical field of VOC waste gas recovery treatment. The VOC waste gas recovery treatment device for color-coated sheet production comprises a shell and a zeolite rotating wheel assembly installed in the shell, an adsorption area, a desorption area and a cooling area are arranged on the zeolite rotating wheel assembly, and the VOC waste gas recovery treatment device further comprises a filter screen disc which is arranged on a waste gas inlet path of the zeolite rotating wheel assembly, located on the upstream of the adsorption area and used for filtering waste gas entering the adsorption area. Reverse back flushing of desorption gas of the zeolite rotating wheel assembly is utilized, non-contact cleaning of sweeps on the filter screen discs is achieved, additional ventilation is not needed, the cost is reduced, step-by-step interception and dynamic cleaning of particulate matter in waste gas are achieved through arrangement of the multiple layers of filter screen discs and time-sharing rotation control, and the service life of the filter screen discs is prolonged. Physical abrasion of a traditional scraper cleaning mode to the filter screen is effectively avoided, and the service life of a filtering system is remarkably prolonged.
Owner:山东三谊工贸有限公司

Bag-type dust collector for sintering waste gas treatment and fracturing propping agent ceramsite sand preparation process

The invention relates to the technical field of dust removers, and discloses a bag-type dust remover for sintering waste gas treatment and a fracturing propping agent ceramsite sand preparation technology.The bag-type dust remover for sintering waste gas treatment comprises a dust filtering chamber, a dust collecting chamber is arranged below the dust filtering chamber, and the bag-type dust remover further comprises a dust filtering unit; the first supporting plate and the second supporting plate are vertically arranged in parallel, a transverse plate is arranged below the first supporting plate, a plurality of dust filtering assemblies are horizontally arrayed on the first supporting plate and the second supporting plate, each dust filtering assembly comprises a polygon prism-shaped filter cylinder, a cylinder support is arranged in each filter cylinder, and each cylinder support comprises a plurality of parallel supporting ribs; and during dust filtration, the filter cartridge and the cartridge support are in a twisting state. According to the device, by increasing the surface area and the wrinkle density of a filter material, the smoke dust collecting capacity per unit volume is remarkably improved, and the filtering efficiency is improved compared with that of a traditional cylindrical filter cartridge; the pulse airflow excites the reciprocating torsional vibration of the filter cartridge, and the energy storage effect of the inertia disc and the conical spring is combined, so that the smoke dust falling rate is increased.
Owner:ZHENGZHOUYONGTAITAOLISHA CO LTD

Chemical tail gas treatment equipment

The invention discloses chemical tail gas treatment equipment, and relates to the technical field of chemical tail gas treatment equipment. The chemical tail gas treatment equipment comprises a base, and the top of the base is fixedly connected with a lower shell; the top of the cover plate is fixedly connected with an air outlet, and the interior of the cover plate is rotationally connected with a first rotating shaft; a fixing shell is fixedly connected to the top of the lower shell, the interior of the fixing shell is slidably connected with a drawing box through a sliding groove, a drying agent is movably connected to the interior of the drawing box, a first gear is fixedly connected to the outer side of the first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft and a fifth rotating shaft are movably connected to the interior of the fixing shell, and a third gear is fixedly connected to the top of the second rotating shaft; the top of the third rotating shaft is fixedly connected with a second gear, and the outer sides of the second rotating shaft and the third rotating shaft are movably connected with the drawing box through transmission pieces. When the chemical tail gas treatment equipment is used, a first rotating shaft is rotated, so that a drawing box moves inwards, moisture and impurities in waste gas are removed, and the service life of the equipment is prolonged.
Owner:DONGGUAN JINRUI PRECISION MANUFACTURING CO LTD