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633 results about "Emission standard" patented technology

Emission standards are the legal requirements governing air pollutants released into the atmosphere. Emission standards set quantitative limits on the permissible amount of specific air pollutants that may be released from specific sources over specific timeframes. They are generally designed to achieve air quality standards and to protect human life.

Electroplating waste gas purification treatment device

The invention relates to the technical field of waste gas purification treatment, and discloses an electroplating waste gas purification treatment device which comprises a purification assembly and an adsorption assembly, the adsorption assembly is arranged on one side of the purification assembly, a spraying assembly and an adjusting assembly are arranged in the purification assembly, and the adjusting assembly is arranged below the spraying assembly. According to the acid mist waste gas treatment device, through cooperation of the adjusting assembly and the spraying assembly, an alkaline spraying liquid and acid mist waste gas are subjected to an acid-base neutralization reaction, primary purification treatment is achieved, and the acid mist waste gas in the treatment tower sequentially passes through filler balls in an elastic net and filler balls on a filler supporting plate when moving upwards; the contact area between the acid mist waste gas and the alkaline spraying liquid is increased, so that adsorption, dissolution and reaction can be better carried out, the purification effect is improved, then the waste gas subjected to primary purification treatment is subjected to secondary purification treatment through the adsorption assembly, and the emission requirement of the local emission standard is met.
Owner:HENAN XINGGUANG MASCH MFG CO LTD

Industrial pollution tracing method and system based on machine learning

The invention relates to the technical field of industrial pollution monitoring, in particular to an industrial pollution source tracing method and system based on machine learning, which can accurately and efficiently determine a pollution source in an industrial park and meet high requirements of environmental protection laws and regulations and the public on environmental protection. The method is used in an industrial park, when an industrial pollution monitoring point monitors that pollution indexes exceed the standard and the emission of each factory in the park meets the emission standard for pollution discharge, pollution is subjected to traceability analysis, and a pollution source with the maximum participation degree in the pollution exceeding event is determined. The method comprises the following steps: acquiring pollution monitoring data information monitored by an industrial pollution monitoring point; carrying out standard-exceeding pollutant feature extraction on the pollution monitoring data information to obtain a park pollutant feature portrait; the park pollutant feature portrait comprises the components of the standard-exceeding pollutants in the park and the real-time concentration of each standard-exceeding pollutant; and matching the park pollutant feature portraits in a pre-established factory pollutant discharge database.
Owner:山西低碳环保产业集团有限公司 +3

Biomass gasification industrial steam full-automatic intelligent control system and method based on PLC

The invention provides a PLC-based biomass gasification industrial steam full-automatic intelligent control system and method. The system comprises a data acquisition module, a modeling identification module, a multi-objective optimization module, a rolling prediction control module, a coordination execution module, a self-adaptive correction module and an abnormal fault tolerance and safety control module. The system collects operation data of a feeding system, a gasification furnace, a boiler, a steam-water system and an environmental protection system in real time through a PLC platform, a dynamic coupling model of a combustion side, a steam-water side and an environmental protection side is established, and a multi-target constraint optimization model with stable steam pressure, up-to-standard emission and minimum energy consumption as targets is constructed. According to the invention, unattended operation of the biomass gasification industrial steam system is realized, the system has the advantages of high control precision, low energy consumption, stable emission and strong fault-tolerant capability, and the intelligence and safety of the industrial steam system are obviously improved.
Owner:DONGYING HAILIFENG GEOTHERMAL ENG CO LTD

Malodorous odor and organic waste gas treatment method for enhancing absorption through pretreatment

The invention relates to the technical field of waste gas treatment, and discloses a method for treating odor, peculiar smell and organic waste gas through pretreatment enhanced absorption. The method comprises the following steps: acquiring waste gas component characteristic parameters through a sensor; calculating a pretreatment medicament formula by using a convolutional neural network; adding a medicament according to the instruction to remove easily-treated components and hardening and tempering difficultly-treated components; monitoring absorption liquid parameters to form characteristic indexes; adjusting gas-liquid distribution based on indexes to construct an optimal environment; introducing the quenched and tempered waste gas into the environment for enhanced absorption to obtain standard gas. Aiming at stink, peculiar smell and organic waste gas with complex and changeable components, through combination of intelligent pretreatment and enhanced absorption, components which are easy to treat and difficult to treat are efficiently and synergistically removed, meanwhile, the dosage of chemicals is reduced, the treatment stability is improved, and strict emission standard requirements are met.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

Carbon dioxide capture device and carbon capture system

The invention discloses a carbon dioxide trapping device and a carbon trapping system.The carbon dioxide trapping device comprises a tower body, a spraying piece and a heat exchange piece are arranged in the tower body, a heat exchange medium flowing circularly is arranged in the heat exchange piece, the device operates in an absorption mode, the spraying piece sprays an absorbent, the absorbent is used for trapping carbon dioxide in smoke, and the carbon dioxide is collected by the absorption piece. And the heat exchange medium in the heat exchange piece cools the absorbent, the device operates in a regeneration mode, and the heat exchange medium in the heat exchange piece heats the absorbent sprayed by the regeneration spraying piece. According to the carbon dioxide capturing device, in the power grid peak regulation matching process, the device operates in an absorption mode, captures carbon dioxide and meets the emission standard, and in the non-peak regulation period, the device operates in a regeneration mode and heats and desorbs carbon dioxide, so that it is ensured that the device operates constantly, and the problem of resource waste caused by shutdown is solved. Moreover, only one tower is needed to realize capture and regeneration of carbon dioxide, so that the occupied area is reduced, and the economic cost is reduced.
Owner:HUANENG LONGDONG ENERGY CO LTD ZHENGNING POWER PLANT +1

Waste gas treatment device

The invention belongs to the technical field of flue gas treatment, and particularly relates to a waste gas treatment device which comprises a moving box and a control panel arranged on the outer wall of the left side of the moving box, a PLC is fixedly connected to the inner wall of the left side of the moving box, and self-locking wheels are fixedly connected to the four corners of the lower side wall of the moving box. When the waste gas treatment device is used for treating waste gas, carbon monoxide, hydrocarbon and nitric oxide in the waste gas can be fully absorbed, so that the problem that the surrounding environment is damaged by the carbon monoxide, the hydrocarbon and the nitric oxide in the waste gas is avoided, and the waste gas of a factory reaches the emission standard; and after the waste gas treatment device works for a long time and the filter assembly is blocked, the filter assembly can be automatically backwashed by using high-pressure airflow, so that particulate matters blocked in the filter assembly fall off, and the adsorption effect of the waste gas treatment device is ensured.
Owner:GUANGZHOU KELAICHUANG PURIFICATION EQUIP MFG CO LTD

Intelligent gas pipeline waste gas safe treatment method and system based on Internet of Things

The invention provides an intelligent gas pipeline waste gas safety treatment method and system based on the Internet of Things. The system comprises an intelligent gas government safety supervision management platform, an intelligent gas government safety supervision sensing network platform, a gas company management platform, a gas company sensing network platform and a gas equipment object platform. The gas company management platform is configured to determine the waste gas emission standard of the to-be-treated pipeline based on the waste gas treatment grade of the to-be-treated pipeline; responding to waste gas emission of the to-be-treated pipeline, and obtaining instant treatment parameters of waste gas treatment equipment in the to-be-treated pipeline; determining an expected treatment parameter based on at least one of the exhaust emission criteria, the immediate treatment parameter, and the exhaust characteristic; and generating an adjustment instruction according to the expected treatment parameter, and adjusting the treatment parameter of the waste gas treatment equipment based on the adjustment instruction. By means of the method and system, the waste gas treatment effect can be guaranteed, and the treated waste gas can reach the emission standard more efficiently and accurately.
Owner:CHENGDU QINCHUAN IOT TECH CO LTD

Integrated wet-process waste gas multi-pollutant efficient collaborative treatment device and method

The invention discloses an integrated wet-process waste gas multi-pollutant efficient cooperative treatment device and method. The device is provided with a pre-oxidation section, a centrifugate membrane gas-solid separation section, a wet spraying absorption section, a rotational flow dehydration section, an electrostatic reaction section, a filler demisting section and an adsorption and catalytic reaction section, an air inlet pipe and a liquid discharge pipe are arranged at the bottom of the device, and an exhaust pipe is arranged at the top; the pre-oxidation section comprises a gas inlet pipe, an oxidant injection pipe and a mixing plate; the centrifugate membrane gas-solid separation section, the wet spraying absorption section, the rotational flow dehydration section, the electrostatic reaction section, the filler demisting section and the adsorption and catalytic reaction section are sequentially arranged from bottom to top. By means of the device and method, particulate matter, sulfur dioxide, nitric oxide, fluoride, HCl, heavy metal, VOCs, dioxin, malodorous gas and other waste gas multiple pollutants generated in the solid hazardous waste co-treatment process of the industrial kiln and the industrial boiler can be removed, and waste gas emission meets the emission standard and sensory requirements.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

Pollution discharge permission evaluation and management method based on intelligent analysis

The invention provides a pollution discharge permission evaluation and management method based on intelligent analysis, and relates to the technical field of pollution discharge management, and the method comprises the steps: obtaining first pollution discharge permission information of a first enterprise; generating first period enterprise pollution discharge data and first period enterprise energy consumption data; carrying out pollution discharge standard exceeding judgment to generate a first period judgment result; when the judgment result of the first period is that the standard does not exceed the standard, pollution discharge standard exceeding risk prediction and energy consumption prediction in a second period are carried out based on the enterprise pollution discharge data of the first period, the enterprise energy consumption data of the first period, the pollution discharge limit value information of the second period and the energy consumption limit value information of the second period, and a standard exceeding risk index is generated; and according to the standard-exceeding risk index, carrying out pollution discharge standard-exceeding reminding on the first enterprise. According to the method and the device, the problem that an early warning mechanism for future pollution discharge risks is lacked in the prior art can be solved, and the technical effects of timely supervision and emission standard exceeding reminding are achieved.
Owner:ZHAOMING (SHANDONG) ECOLOGICAL & ENVIRONMENTAL PROTECTION DEVELOPMENT 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

Self-coupling waste gas treatment system for treating VOCs (Volatile Organic Compounds) in waste gas and treatment method thereof

The invention provides a self-coupling waste gas treatment system for treating VOCs in waste gas and a treatment method of the self-coupling waste gas treatment system, and belongs to the technical field of VOCs removal and recovery. The self-coupling waste gas treatment system comprises a microwave catalysis unit, wherein to-be-treated waste gas is introduced into the microwave catalysis unit, so that VOCs (Volatile Organic Compounds) are primarily decomposed and then enter a multi-stage condensation unit; the multi-stage condensation unit comprises at least two stages of condensation treatment parts and is configured to be in a cold source cyclic utilization mode, liquid separated after the waste gas to be treated is subjected to condensation treatment in the multi-stage condensation unit is recycled, and meanwhile, separated gas enters the drying adsorption unit; and the emission detection unit is configured to detect whether the purified waste gas from the drying adsorption unit reaches the emission standard or not, and the waste gas which does not reach the emission standard is re-introduced into the microwave catalysis unit to be circularly treated. The self-coupling system disclosed by the invention is high in integration level, and the whole-process efficient management and control of VOCs from pretreatment, deep recovery and fine treatment to up-to-standard emission is realized.
Owner:BEIJING ZHONGDINGHENGYE SCI & TECH CO LTD

Intelligent bypass ventilation SCR (selective catalytic reduction) coupled SNCR (selective non-catalytic reduction) denitration system

The invention relates to the technical field of bypass ventilation denitration systems, and discloses an intelligent bypass ventilation SCR (Selective Catalytic Reduction) coupling SNCR (Selective Non-Catalytic Reduction) denitration system which comprises a smoke chamber, a cyclone cylinder, a precise ammonia spraying system, an air mixing chamber, a cooling fan, a cold air valve, a dust collection chamber, an SCR reactor, an exhaust fan, a chimney, a stock bin, a bin pump, a compressed air system and an intelligent control system, the air inlet is connected with the smoke chamber, and the feed opening is connected with the bin pump. Under any working condition, NOx emission at a chimney outlet can reach the standard, the ammonia water consumption is lowest, the denitration effect is good, the investment cost is low, the problem that NOx emission of the kiln tail chimney is unstable and prone to exceeding the standard is solved, the catalyst abrasion and blocking risk can be greatly reduced, the catalyst dosage is small, the maintenance cost is low, and the method is suitable for industrial production. And long-term stable operation of the system is realized.
Owner:NANJING KISEN INT ENG

Full-automatic tail gas treatment remote control method applied to intelligent cremation machine

The invention relates to the technical field of pollution treatment, in particular to a full-automatic tail gas treatment remote control method applied to an intelligent cremation machine. The method comprises the following steps: acquiring tail gas emission data; according to the tail gas emission data, the emission standard exceeding trend is recognized, and tail gas emission standard exceeding data is obtained; determining an emission fluctuation rule based on the tail gas emission standard exceeding data; multi-stage tail gas purification parameter adjustment is conducted according to the emission fluctuation rule, and multi-stage tail gas purification adjustment parameters are obtained; performing full-automatic tail gas treatment simulation according to the multi-stage tail gas purification adjustment parameters to obtain tail gas treatment data; carrying out atomization failure detection according to the tail gas treatment data to obtain atomization failure data; performing nozzle blockage analysis based on the atomization failure data to obtain nozzle blockage data; and performing inner wall scaling detection based on the nozzle blockage data to obtain inner wall scaling data. The intelligent response rate and the purification standard-reaching rate of tail gas treatment of the intelligent cremation machine are improved based on the pollution treatment technology.
Owner:JIANGXI PACIFIC ENERGY SAVING & ENVIRONMENTAL PROTECTION TECH

VOC waste gas treatment system with rotary zeolite and treatment method

The invention relates to the field of waste gas treatment, and discloses a VOC waste gas treatment system with rotary zeolite and a treatment method. Adsorption and desorption functions of rotary zeolite equipment are integrated in a rotary structure, and waste gas is subjected to adsorption treatment through an adsorption part of the rotary zeolite equipment; the waste gas can be heated through a desorption pipeline and then adsorbed through a desorption part of the rotary zeolite equipment, and then the waste gas subjected to combustion treatment through the efficient combustion equipment is safely discharged through an exhaust tower; after VOC waste gas enters a certain combustion chamber of the high-efficiency combustion equipment, the VOC gas is switched to enter another combustion chamber of the high-efficiency combustion equipment, and the previous combustion chamber is connected with a purging fan, so that cooling air enters the chamber, and the temperature is reduced; the three combustion chambers are alternately used, one chamber is used for combustion, one chamber is used for transmission, and the other chamber is used for cooling and purging, so that continuous and efficient combustion is guaranteed, meanwhile, long-term stable operation is guaranteed, and the environment-friendly emission standard is met.
Owner:GUANGZHOU NEWEARTH ENVIRONMENTAL PROTECTION IND

AO + MBR integrated sewage treatment equipment

The utility model discloses AO + MBR (membrane bioreactor) integrated sewage treatment equipment, and aims to provide an efficient, stable and economical sewage treatment solution. The equipment integrates an anoxic zone, an aerobic zone, a clean water tank, an upper-layer equipment zone and a lower-layer equipment zone, and realizes organic matter degradation, denitrification, dephosphorization and disinfection processes through a submersible stirrer, an aerator, an MBR membrane assembly, a rotary blower, a water production / backwashing pump, a reflux pump and a plurality of dosing devices. The equipment is skillfully designed, such as a double-layer structure, a single-pump dual-purpose device, a pipeline type oxygen eliminating device and the like, so that the effective utilization of space and the flexibility of operation are ensured, and meanwhile, the treatment effect is ensured to meet or exceed the first-grade A emission standard. Besides, by reducing the equipment size, simplifying the pipeline system and adopting the integrated design, the engineering cost and the operation and maintenance difficulty are remarkably reduced, and the device is suitable for small sewage treatment projects and shows excellent performance and economic benefits of integrated equipment.
Owner:CMCU ENG

Sludge low-temperature oxidation treatment system and method thereof

The invention discloses a sludge low-temperature oxidation treatment system and method. The system comprises a pretreatment unit, a feed lifting mechanism, a low-temperature oxidation furnace, a flue gas purification unit and an automatic control unit. The low-temperature oxidation furnace is divided into a feeding area, a low-temperature oxidation area and an air distribution and slag discharge area from top to bottom, an air distribution plate is provided with air outlets which are uniformly arrayed, the temperature of the low-temperature oxidation area is controlled to be 420-480 DEG C, and generation of dioxin is inhibited from the source. The pretreatment unit is used for mixing sludge, biomass and quartz sand to form a loose breathable material to prevent the sludge from hardening; the method comprises the steps of material mixing, continuous feeding oxidation, temperature closed-loop regulation and control, flue gas purification and ash treatment, high-water-content municipal sludge can be stably treated, the energy consumption is low, the dioxin generation amount is low, flue gas emission reaches the standard, ash can be recycled, and the method is suitable for large-scale municipal sludge harmless treatment.
Owner:XIANGSHAN DMAN MASCH CO LTD

Treatment process for natural gas combustion waste gas generated by zinc chloride production based on zinc ash and zinc slag and acid mist waste gas generated by regenerated acid decoction

The invention belongs to the technical field of environment-friendly treatment, and provides a treatment process for natural gas combustion waste gas generated by zinc chloride production based on zinc ash and zinc slag and acid mist waste gas generated by regenerated acid decoction, which comprises the following steps: S1, introducing the natural gas combustion waste gas and the acid mist waste gas into a spray tower, carrying out dynamic alkali neutralization treatment and cooling treatment on the basis of an intelligent pH value regulation and control method to obtain primary purified gas; s2, the primary purified gas enters primary plasma dedusting and demisting equipment through a pipeline to be treated, and secondary purified gas is obtained; and S3, the secondary purified gas enters secondary plasma dedusting and demisting equipment to be treated, and final treated tail gas is obtained. According to the invention, the chemical neutralization based on the spray tower and the two-stage plasma deep cracking are combined, the treated waste gas meets the emission limit value in the secondary standard in the Integrated Emission Standard of Air Pollutants, the treatment efficiency is high, the medicament consumption is low, the energy consumption is low, and the problems in the prior art are effectively solved.
Owner:SHANGHAI YILANG ENVIRONMENTAL PROTECTION TECH

Method and device for treating tail gas in acidolysis process of titanium dioxide

The invention discloses a method and a device for treating tail gas in a titanium dioxide acidolysis process, relates to the technical field of tail gas treatment in titanium dioxide production, and solves the technical problem of high dust content of tail gas caused by the fact that actual tail gas treatment cannot meet the emission standard in the existing titanium dioxide calcination process. The tail gas generated after acidolysis reaction is subjected to primary water spraying, so that dust and sulfur dioxide pollutants in the tail gas are preliminarily removed; the pH value of the production wastewater is adjusted to be neutral through an alkaline substance, reclaimed water is obtained after primary clarification and secondary clarification, the reclaimed water is subjected to gas blowing, and then secondary water spraying is conducted on the tail gas obtained after spraying treatment, so that sulfur dioxide and dust in the tail gas are further removed; and the sprayed tail gas is sequentially pumped for primary electric demisting and secondary electric demisting, so that acid mist in the tail gas is removed. The method has the advantages that the production cost is reduced, the tail gas emission index is ensured to reach the standard, the consumption of water resources is reduced, the cost is reduced, the efficiency is improved, and the like.
Owner:XIANGYANG LOMON TITANIUM IND CO LTD

A method and system for controlling the source of sulfur dioxide emissions from flue gas in ironmaking hot blast furnaces

The present invention belongs to the technical field of energy conservation and emission reduction in metallurgy and iron and steel, and proposes a method and system for source control of sulfur dioxide emissions from flue gas of iron-making hot blast furnaces, aiming to solve the problem of source sulfur element control in the blast furnace iron-making process, so as to achieve the purpose of standard emission of sulfur dioxide from flue gas of hot blast furnaces at all times. The system includes a data acquisition and transmission module, a memory, an analysis and calculation module, a data monitoring module, and a control terminal. The input end of the data acquisition and transmission module is respectively connected to the data monitoring module and the metering system and component detection system of the blast furnace body, and its output end is respectively connected to the analysis and calculation module and the control terminal; the data acquisition and transmission module is interactively connected to the memory, the analysis and calculation module and the control terminal. The present invention performs origin control from the source of blast furnace raw materials and operations, and has the characteristics of few control actions, short time, compact rhythm and high production efficiency.
Owner:CISDI ENGINEERING CO LTD +1

Boiler waste gas treatment device

The invention provides a boiler waste gas treatment device, and relates to the field of boilers and auxiliary equipment. A dust collecting box is inserted into the bottom of the rear side of the comprehensive treatment pipeline, a heat exchanger is fixedly installed on the outer side of the vertical middle of the comprehensive treatment pipeline, a dust blocking filter screen is slidably connected to the position, corresponding to the heat exchanger, in the inner wall of the comprehensive treatment pipeline, and an intermittent motor is fixedly installed on the outer wall of the rear side of the comprehensive treatment pipeline at the top of the dust blocking filter screen; a reciprocating hammering assembly is slidably connected to a front-end driving shaft of the intermittent motor, and a centrifugal motor is fixedly mounted in the middle of the top of the comprehensive treatment pipeline. An eccentric dial wheel and a reciprocating hammering assembly driven by an intermittent motor can automatically impact a filter screen to remove accumulated dust, manual maintenance is avoided, waste heat recycling is achieved through the design, the service life of equipment is prolonged through automatic cleaning of the filter screen, and the maintenance cost and energy consumption are reduced; the problems that particulate matter purification is low in efficiency, waste heat utilization is insufficient, deep purification is unstable, the maintenance cost is high, and emission is difficult to reach the standard are solved.
Owner:WENZHOU YONGHE ENERGY TECHNOLOGY CO LTD

Urea injection control method and device and vehicle

The invention provides a urea injection control method and device and a vehicle. For each stage of SCR in a two-stage SCR aftertreatment system, the urea injection amount matched with the stage of SCR is determined based on the target mode started by an engine, the temperature value of an inlet, the exhaust flow, the nitrogen and oxygen concentration and the degradation factor, and on the premise that the emission standard is met, the urea injection amount matched with the stage of SCR can be controlled. The operation mode requirement of the engine and the actual treatment capacity of the selective catalytic reduction device are matched in time, the aftertreatment cost is reduced, the service life of the aftertreatment system is prolonged, and therefore the comprehensive treatment effect of the two-stage SCR aftertreatment system on nitric oxide is effectively improved.
Owner:BEIQI FOTON MOTOR CO LTD

Metal heat treatment furnace

The utility model relates to a metal heat treatment furnace, which belongs to the technical field of heat treatment furnaces and comprises a heat treatment furnace main body, a furnace cover is arranged above the heat treatment furnace main body, a cooling mechanism is arranged on the furnace cover, a lifting mechanism is arranged on the back side of the heat treatment furnace main body, and a heat treatment frame is arranged below the furnace cover. According to the metal heat treatment furnace, by starting a draught fan, negative pressure is generated in a filter box, harmful gas generated by heat treatment is pumped into the filter box, the harmful gas enters a second connecting pipe after being subjected to three-layer filtration, and whether the harmful gas reaches the safe emission standard or not is monitored by a gas analysis monitor; and the metal is conveyed into the water tank to be subjected to heat exchange with the cooling liquid, the metal subjected to heat treatment is cooled, the metal subjected to heat treatment is conveniently taken, the purposes of cooling the material and preventing harmful gas from being directly discharged to pollute the environment are achieved, and the beneficial effects that the material is cooled, meanwhile, the harmful gas is filtered and the like are achieved.
Owner:WUHAN SHUNXINZE MOULD HEAT TREATMENT CO LTD

Liquefied natural gas factory heat-conducting oil furnace tail gas safety treatment device

The invention discloses a liquefied natural gas factory heat-conducting oil furnace tail gas safety treatment device which comprises a cooling assembly, a cyclone dust collector and a purification tower, the cyclone dust collector is sleeved with a cooling sleeve, and the cooling assembly is connected with the cyclone dust collector through a first conveying pipe; the cyclone dust collector is connected with the purification tower through a second conveying pipe, the cooling assembly comprises a tank body, a heat exchange coil pipe is arranged in the tank body, the heat exchange coil pipe comprises an outer pipe body and an inner pipe body, the inner pipe body is sleeved with the outer pipe body, and an interlayer flow channel is formed between the inner pipe body and the outer pipe body. According to the technical key points, tail gas is cooled through the cooling assembly and heat is recycled, most of dust particle impurities in the tail gas are removed through the cyclone dust collector, the tail gas is secondarily cooled through the cooling sleeve and heat is recycled, the dedusted gas enters the purification tower, harmful substances are removed, and the dedusted gas is cooled again. And the purified tail gas reaches the standard at low temperature and is discharged.
Owner:CHONGQING ZHONGRUN ENERGY CO LTD

Oil smoke purification equipment for deodorizing by utilizing ozone water

The utility model relates to the technical field of purification equipment, and particularly discloses oil fume purification equipment for deodorizing by utilizing ozone water, which can be applied to scenes needing oil fume purification and deodorization, such as industrial workshops, catering kitchens, garbage treatment stations and the like. When oil fume gas in the gas channel flows from bottom to top, the aeration module is started, the nozzle sprays ozone water towards the aeration net, the oil fume gas penetrates through the air holes of the aeration net from bottom to top, so that a layer of ozone water vapor bubble film is formed at the upper end of the aeration net, the oil fume gas penetrates through the ozone water vapor bubble film and is in much contact with the ozone water, and the ozone water is discharged out of the aeration net. Ozone water can decompose and remove odor molecules after contacting with the odor molecules in the oil fume gas, and finally, the oil fume gas discharged from the outlet of the case is nontoxic and odorless and meets the emission standard.
Owner:KELAN TECHNICS ENVIRONMENTAL PROD CO LTD

Environment-friendly automatic purification integrated treatment system for copper processing

The invention discloses an environment-friendly automatic purification integrated treatment system for copper processing, a cleaning device is used for cleaning and filtering flue gas conveyed by a gas collecting hood, the cleaning device comprises a partition plate, a smoke outlet barrel is arranged on the partition plate, the lower end of the smoke outlet barrel is communicated with a lower cavity formed by partition of the partition plate, and the lower end of the smoke outlet barrel is communicated with a smoke outlet. Fan blades are rotationally arranged at the bottom of the cleaning box, a plurality of atomizing nozzles are arranged at the top of the smoke outlet barrel, and a demister is arranged at the top of each atomizing nozzle; the filtering device is used for filtering harmful gas in the cleaned flue gas; flue gas sequentially passes through a cleaning device used for cleaning dust particles and emulsion in the flue gas, a filtering device used for primarily filtering impurity particles in the flue gas, a combustion device used for directly combusting organic gas in the flue gas and an activated carbon adsorption device used for adsorbing and filtering harmful gas in the combusted flue gas. Final products of the flue gas are water and carbon dioxide, and the emission of the flue gas meets the emission standard.
Owner:HUNAN GAONUO TECHNOLOGY CO LTD +1

Agricultural rural environment automatic control method based on carbon and nitrogen cooperative emission management and control

The invention discloses an agricultural rural environment automatic control method based on carbon and nitrogen collaborative emission control, which comprises the following steps: acquiring carbon and nitrogen collaborative emission data in an agricultural rural production process and a domestic waste resource utilization process, and collecting carbon content information in soil and air; fusing the carbon-nitrogen collaborative emission data and the carbon content information in the soil and the air to generate a unified carbon-nitrogen collaborative emission data set; according to crop types and seasonal changes, establishing a carbon-nitrogen collaborative emission dynamic adjustment model, and judging carbon-nitrogen collaborative emission rules in different crop growth cycles by combining climate conditions, soil properties and farming modes; according to a carbon-nitrogen collaborative emission rule, adopting a machine learning algorithm to train a carbon-nitrogen collaborative emission prediction model, inputting a carbon-nitrogen collaborative emission data set, and outputting a carbon-nitrogen collaborative emission prediction value in a future time period; and according to a prediction result, dynamically adjusting a carbon-nitrogen cooperative emission standard, and generating a management and control scheme adapted to different crop types and seasonal changes.
Owner:INSTITUTE OF ENVIRONMENT AND SUSTAINABLE DEVELOPMENT IN AGRICULTURE CAAS

Coal blending combustion method and device, storage medium, electronic equipment and program product

The invention relates to a coal blending combustion method and device, a storage medium, electronic equipment and a program product, relates to the technical field of coal electricity, and ensures the operation stability of a boiler and improves the efficiency of a coal pulverizing system on the basis of improving coal blending combustion. The method comprises the following steps: in response to an input operation of a user, determining a constraint condition of coal blending combustion of each unit in a power plant within a preset duration; according to the preset target power generation coal consumption, the preset target load and the constraint condition of each unit, coal blending combustion simulation is carried out, a target coal blending combustion strategy is obtained, and the target coal blending combustion strategy meets a preset environment-friendly emission standard. The combustion efficiency of the target coal blending combustion strategy is higher than the combustion efficiency of other preset coal blending combustion strategies in the simulation process; and controlling each unit in the power plant to carry out coal blending combustion according to the target coal blending combustion strategy.
Owner:GUODIAN QUANZHOU POWER GENERATION CO LTD

Accurate control method and system for denitrification of sewage treatment plant and electronic equipment

The invention relates to the technical field of accurate control scheme design for denitrification of a sewage treatment plant, in particular to an accurate control method and system for denitrification of a sewage treatment plant and electronic equipment. Data of carbon source concentration, dissolved oxygen concentration, pH value, temperature, alkalinity and nitrate concentration in sewage are collected in real time, parameters of a prediction model are dynamically corrected in combination with a machine learning algorithm and a mechanism model, and the denitrification rate is predicted. The carbon source adding amount and the dissolved oxygen target value are calculated according to the prediction result and the emission standard, the distribution of the carbon source and the dissolved oxygen in the reaction tank is monitored in real time through a distributed sensor network, and the operation states of a carbon source adding pump and aeration equipment are accurately adjusted through feedback control. According to the method, a pH value and alkalinity are taken as constraint conditions to cooperatively control a carbon source feeding rate and a dissolved oxygen concentration, and a control strategy is dynamically optimized through deep Q learning based on historical data and operation conditions, so that cross-cycle self-adaptive adjustment is realized, and accurate control on a denitrification process of a sewage treatment plant is realized.
Owner:SHANDONG CHUANQINGQING ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Waste gas treatment device convenient for dust filtration and maintenance

The utility model discloses a waste gas treatment device convenient for dust filtration and maintenance, which relates to the field of waste gas treatment devices and comprises a waste gas treatment box and a bearing support, and gas inlet pipes are symmetrically mounted on the left side of the waste gas treatment box front and back. According to the waste gas treatment device convenient for dust filtration and maintenance, through the arrangement of the dust filtration assembly and the activated carbon adsorption assembly, the waste gas treatment device can perform multiple purification treatment on waste gas injected into the waste gas treatment box, so that the waste gas treatment effect of the device is improved; through the arrangement of an air monitor and a detection probe, the device can monitor and treat the treated gas, and if the treated gas does not meet the emission standard, it is indicated that a worker needs to replace an adsorption material in an activated carbon adsorption assembly or deeply clean a dust filtering assembly; therefore, the gas discharged by the waste gas treatment device during continuous operation can meet the national emission standard.
Owner:SHENZHEN JINLONG AIR CONDITIONING ELECTRIC CO LTD

Waste gas adsorption and purification treatment device

The utility model provides a waste gas adsorption and purification treatment device, which belongs to the technical field of environmental protection equipment and comprises a treatment box body, an adsorption and purification component is mounted in the treatment box body, and an airflow regulation and control component is mounted on the adsorption and purification component. According to the utility model, the adsorption purification assembly is arranged, a three-stage progressive structure of a primary filter layer, an activated carbon adsorption layer and a molecular sieve purification layer is adopted, and a front-end oil mist separation net is matched, so that dust and oil mist particles can be intercepted stage by stage, organic waste gas, harmful gas and peculiar smell molecules are efficiently adsorbed, and the purification is thorough; the multiple layers of filter materials are mounted in a sliding groove plugging manner, so that disassembly, replacement and maintenance are convenient, and the use cost is reduced; waste gas can evenly penetrate through all the adsorption layers through the flow guide partition plates and the evenly-distributed flow guide through holes, airflow short circuit and local accumulation are avoided, the adsorption capacity of filter materials is fully utilized, the overall purification efficiency is improved, the service life is prolonged, and it is guaranteed that the waste gas reaches the standard to be discharged.
Owner:SICHUAN HUANKE MEINENG ENVIRONMENTAL PROTECTION TECH CO LTD