45results about How to "Emission compliance" patented technology

The invention relates to a waste incineration flue gas pollutant control technology, and aims to provide a waste incineration flue gas multi-pollutant collaborative prediction and intelligent control method and system. On the basis of a deep learning method, a collaborative prediction model for four types of pollutants in waste incineration flue gas is constructed; then, a multi-objective optimization method is combined, and a cost index function considering the absorbent dosage and an environmental protection index function considering the pollutant emission are constructed; and the optimal usage data of the absorbents corresponding to the flue gas pollutants are solved by using a multi-objective optimization algorithm, and finally, the opening degrees of various absorbent feeding valves are adjusted and controlled according to the optimal usage data feedback, so that the intelligent control of the multiple pollutants in the waste incineration flue gas is realized. According to the invention, accurate collaborative prediction of multiple pollutants in waste incineration flue gas can be realized, and the hysteresis problem of traditional flue gas pollutant emission monitoring equipment is effectively overcome; the pollutant control cost of the flue gas purification system is reduced to the maximum extent, and the economical level of the incinerator is improved.

The invention discloses a metallurgical waste gas purification and recovery method based on a particle swarm optimization algorithm, and the method comprises the following steps: S1, carrying out the pretreatment of metallurgical waste gas, monitoring the temperature, pressure, flow velocity and chemical components in real time, and inputting the temperature, pressure, flow velocity and chemical components into an optimization module; s2, key parameters in the purification and recovery process are analyzed through a recursive morphological coupling algorithm, a problem is decomposed into sub-problems, and operation parameters are determined; s3, performing global search through a morphological recombination particle swarm optimization algorithm to generate an optimization parameter set; s4, performing dynamic recombination on the potential optimal solution by applying an evolutionary form recombination algorithm, and improving a local solution; s5, the optimized parameter set is applied to the purification device, dynamic adjustment is conducted through a recursive morphological coupling algorithm, and recognition and recovery of rare components are achieved; s6, performing multi-stage detection on the purified and recycled waste gas, and feeding back to an optimization module for parameter adjustment; and S7, according to waste gas components and process requirements, operation parameters are adjusted in a self-adaptive mode.

The invention discloses an innocent treatment method of dangerous solid waste in firework and cracker production, which comprises the following steps: adding acid into the precipitated dangerous solid waste in firework and cracker production to control the pH value to be less than or equal to 3, stirring to react, adding alkali to control the alkali mass fraction to be 1-20%, stirring to react, adding an oxidizing agent and a catalyst to react, and finally filtering to obtain filter residue and filtrate, filter residues are harmless residues, and filtrate is discharged after reaching the standard. According to the method, combustion treatment and toxic extraction agent treatment are not needed, multiple hazardous wastes can be subjected to innocent treatment at the same time, the treatment cost is low, and the safety is high.

A BDO process wastewater treatment process comprises the steps that BDO wastewater, diluted phenol water and part of polyformaldehyde wastewater are received by a phenol recycling and regulating tank and are preliminarily separated and recycled, the polyformaldehyde wastewater receiving ratio of the phenol recycling and regulating tank to a mixed wastewater tank is 1: 1, and the total wastewater receiving ratio of the phenol recycling and regulating tank to the mixed wastewater tank is 8.5: 0.5. According to the invention, the polyformaldehyde wastewater is partially introduced into the mixed wastewater pool to reduce the sludge load of the IMC pool, the formaldehyde concentration of the polyformaldehyde wastewater is diluted by using low-concentration wastewater such as domestic sewage, ground flushing water, rainwater and the like entering the mixed wastewater pool, and 1, 4-butanediol production wastewater and polyformaldehyde production wastewater do not need to be independently treated, so that the treatment cost is reduced. The wastewater can be treated together with phenol-containing wastewater generated by gasification by a traditional biological method, so that the phenol-containing wastewater of a phenol recovery device, formaldehyde-containing wastewater of a 1, 4 butanediol device, formaldehyde-containing wastewater of a polyformaldehyde device and TOX wastewater can be treated by a sewage treatment station, a sewage system operates stably, and the wastewater reaches the standard and is discharged.

The utility model provides a high-water-content crude methanol refining device which comprises a pre-rectifying tower, a dehydration rectifying tower, a negative pressure rectifying tower, a first rectifying tower and a second rectifying tower, the top of the dehydration rectifying tower is connected with a dehydration tower reboiler through a dehydration tower gas phase extraction pipeline, and a compressor is arranged on the dehydration tower gas phase extraction pipeline; the output end of the dehydrating tower reboiler is connected with a dehydrating tower return tank, a dehydrating tower return tank extraction pipeline is arranged at the bottom of the dehydrating tower return tank and is respectively connected with a dehydrating tower return pipeline and a negative pressure tower feeding pipeline, and the dehydrating tower return pipeline is connected with the upper part of the dehydrating rectifying tower; the negative pressure tower feeding pipeline is connected with the negative pressure rectifying tower; according to the invention, high-water-content crude methanol can be refined, the precision of a final methanol product is ensured, the unit consumption of steam is less than or equal to 0.7 t steam / t refined methanol while the methanol product is greater than 99.99%, the steam consumption of the system is reduced, and multi-stage utilization of energy and heat coupling are realized.

The utility model provides a centralized waste gas treatment system for a farm, which is characterized in that an air feeder is arranged in a breeding chamber, a spray settling chamber is communicated with the breeding chamber through the air feeder and is used for performing spray deodorization on waste gas transmitted by the breeding chamber, and a microwave deodorization chamber is connected onto the spray settling chamber and is used for performing microwave deodorization on the waste gas. Waste gas in the breeding chamber is fed into the spraying settling chamber, gaseous odor substances are controlled by absorption of spraying water in the spraying settling chamber, then the waste gas enters the microwave deodorization chamber, organic molecules are cracked and oxidized under the synergistic effect of microwaves, ultraviolet light and ozone by means of microwave light-oxygen synergistic catalysis, and the waste gas is purified. The purpose of thorough deodorization is achieved; the livestock breeding deodorization device can solve the deodorization problem of livestock breeding, the odor emission reaches the standard, the deodorization efficiency is high, the effect is stable, meanwhile, installation is easy, maintenance is convenient, the occupied area is small, water resources are saved, cross infection of germs is prevented, and biological safety is guaranteed.

The invention discloses a maleic anhydride sewage treatment process and a sewage treatment system. The maleic anhydride sewage treatment process comprises the following steps: S1, carrying out buffer treatment on maleic anhydride sewage; s2, carrying out demulsification and multi-dimensional electro-catalysis pretreatment on the maleic anhydride sewage treated in the step S1; s3, carrying out anaerobic reaction treatment on the maleic anhydride sewage treated in the step S2; s4, performing neutral catalytic oxidation and aerobic treatment on the maleic anhydride sewage treated in the step S3; s5, performing electro-catalysis treatment on the maleic anhydride sewage treated in the step S4 to obtain sewage meeting the standard; the technical problems that in the prior art, the maleic anhydride sewage is high in pollutant concentration, low in biochemical treatment degradation speed and low in efficiency are effectively solved by removing specific pollutants such as DBP and DOP in the maleic anhydride sewage and adopting a method of demulsification, multi-dimensional electro-catalysis, efficient anaerobic treatment, multi-stage aerobic treatment, catalytic oxidation and electro-catalysis.

The invention provides an organic phosphorus-containing waste liquid treatment system and an organic phosphorus-containing waste liquid treatment method. The system comprises an oxidation reactor, a salt conversion and separation device connected with the oxidation reactor, and a potassium sulfate recovery chamber and a phosphorus recovery chamber which are respectively connected with the salt conversion and separation device, the salt conversion and separation device comprises an electrified positive electrode and an electrified negative electrode which are oppositely arranged, and further comprises a plurality of cation exchange membranes and a plurality of anion exchange membranes which are alternately arranged between the electrified positive electrode and the electrified negative electrode. According to the method, efficient decomposition of organic pollutants is achieved in a supercritical water oxygenolysis mode, meanwhile, ferrous sulfate and potassium phosphate obtained through decomposition are subjected to ion exchange in the salt conversion and separation device, blue iron ore with high economic value is generated, efficient recovery of phosphorus can be achieved, and wastewater discharge reaches the standard.

The invention discloses a tail gas recovery device and method for a urea system, and belongs to the technical field of tail gas treatment and emission in urea production. The tail gas recovery device comprises a low-pressure absorption system, a normal-pressure absorption system and a tail gas absorption system, and the low-pressure absorption system is connected with the normal-pressure absorption system; the low-pressure absorption system and the normal-pressure absorption system are both connected with the tail gas absorption system. According to the tail gas recovery device and method for the urea system, carbon dioxide gas excessively emptied by a synthetic ammonia device is introduced into the tail gas absorption tower, and circulating liquid in the tail gas absorption tower forms weak acidity, so that absorption of gas ammonia is enhanced, the gas ammonia content of an emptying cylinder is remarkably reduced, and emission reaches the standard; meanwhile, a large amount of carbon dioxide gas is introduced as inert gas, no steam needs to be introduced for explosion prevention, steam is saved, the tower tops of the low-pressure absorption tower and the tail gas absorption tower both use low-temperature desorption waste liquid as absorption liquid, steam condensate is replaced, and water resources are saved.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a high-salinity wastewater materialization method and complete equipment. The high-salinity wastewater materialization complete device of the present invention comprises: a reactor; the aeration pipe is used for supplying air to the reactor; a first vertical porous sieve column is arranged on the first-layer sieve column supporting plate; one end of the first-layer sieve column supporting plate is connected with the inner wall of the reactor, the other end of the first-layer sieve column supporting plate is connected with the first liquid level positioning plate, the first liquid level positioning plate, the first-layer sieve column supporting plate and the inner wall of the reactor define a first liquid accumulation area, and the first liquid accumulation area is used for promoting gas-liquid contact of gas and high-salinity wastewater; the device further comprises a high-salinity wastewater circulating pipe. The complete equipment for materialization of the high-salinity wastewater can be used for treating the high-salinity wastewater through gas-liquid separation, so that the treated high-salinity wastewater can be applied in a materialization manner.

The present invention relates to a method for treating radioactive waste tail gas by using plasma technology, comprising the steps of: performing plasma gasification and melting treatment on radioactive waste in a combustion chamber; solidifying the glass body, and desulfurizing and denitrifying the flue gas in a dry and water-free high-temperature catalytic ceramic filter; fully burning the unburned combustible materials in the flue gas in the second combustion chamber; the flue gas enters the SNCR denitrification device for denitrification; the flue gas enters the G-L heat exchanger for heat exchange; the flue gas enters the semi-dry quenching tower for heat exchange; the flue gas enters the bag filter for dust removal; the flue gas at the bag filter outlet is filtered through a high-efficiency combined filter. The beneficial effects of the present invention are: in the high-temperature section, most of the dust and ash are filtered out by the high-temperature catalytic ceramic filter, and then through the bag filter, most of the nuclides in the dust and fly ash are solidified by the glass body or intercepted in the fly ash, and the remaining small amount of I-129 and Tc-99 are purified by the high-efficiency combined filter; clean and qualified flue gas is obtained.

The invention discloses a remote supervision system for motor vehicle detection, and relates to the technical field of motor vehicle detection, and the system comprises a detection data collection module which employs a multi-type sensor array to collect tail gas emission, vehicle speed, braking, light and axle load data at a detection line, and transmits the data to a data collection unit for caching through a high-speed wired network; the data encryption transmission module is used for encrypting data through a national cryptographic algorithm, transmitting the data to a remote supervision center through a wireless network or a VPN network, and authenticating the data through a digital certificate during transmission; the remote supervision center module is used for processing, analyzing and verifying data by a high-performance server cluster and storing the data in a distributed database; and the intelligent analysis and early warning module analyzes the data by using big data and an artificial intelligence algorithm, and pushes early warning in multiple modes when abnormity occurs. According to the invention, the supervision efficiency and precision are improved, multiple types of sensors and an intelligent identification technology ensure accurate and standard detection, guarantee data security and reliable encryption transmission and distributed storage, and can early warn risks in time and optimize the management of a detection mechanism.

The invention discloses a tail gas emission treatment device in ferric trichloride production, which comprises an oxidation reaction kettle, and an oxygen tank, a waste acid tank, a hydrochloric acid tank and a catalyst tank are connected to the oxidation reaction kettle through pipelines so as to provide reaction raw materials for the oxidation reaction kettle. The tail gas output end of the oxidation reaction kettle is sequentially connected with a first tail gas absorption tower and a second tail gas absorption tower, the first tail gas absorption tower and the second tail gas absorption tower are connected through a pipeline, and the rear end of the first tail gas absorption tower is connected in series with a first tail gas spray tower through a pipeline; pipelines are arranged on the first tail gas absorption tower, the first tail gas spray tower, the second tail gas absorption tower and the second tail gas spray tower and are connected with an alkali liquor tank, and a sodium hydroxide alkaline solution is supplied through the alkali liquor tank; the tail gas of ferric trichloride production is absorbed and treated by using alkali liquor, and the generated waste liquid can be recycled after being evaporated and concentrated. A PH meter is additionally arranged in the tail gas absorption device, signals are transmitted to a data control center, and the concentration of alkali liquor is automatically adjusted according to the PH value.

The utility model relates to a waste gas treatment system based on a self-cooling internal circulation technology, and relates to the technical field of waste gas treatment equipment.The waste gas treatment system comprises a gas mixing unit, the gas mixing unit is used for mixing treated low-temperature dry gas with production waste gas so as to achieve the purposes of cooling, dehumidification and peak clipping; the adsorption unit is used for adsorbing organic pollutants in the mixed gas in the gas mixing unit; the treatment unit is used for dehumidifying and purifying gas generated in the adsorption process of the adsorption and desorption unit; and the self-cooling internal circulation unit is used for removing moisture in the gas discharged by the treatment unit, reducing the humidity and temperature of the gas and conveying the gas to the gas mixing unit. The device has the advantages that the treatment effect and treatment efficiency of high-temperature and high-humidity waste gas and high-concentration pollutants are improved, and the service life of treatment equipment is prolonged.

The utility model relates to flue gas treatment technical field, and disclose a kind of flue gas desulfurization and denitrification spray tower, including including spray tower, the spray tower is from lower to upper by air inlet section, shell and exhaust section, the left side of air inlet section is provided with air inlet pipe, the left side of air inlet section is fixedly connected with drain valve, the right side of air inlet section is provided with filter assembly, the right side of filter assembly is provided with spray assembly;The left and right inner walls of shell are respectively fixedly connected with plug rail, and the linkage structure (L type threaded rod+butterfly nut limit) of plug rail type filler frame and detachable sealing plate is linked, the quick disassembly of filler layer is realized, and only external operation is needed when replacing, entire filler frame can be extracted horizontally, personnel is not needed to enter spray tower internal operation, eliminate the security risk that traditional filler replacement needs aerial work or in-depth tower, shorten maintenance time simultaneously, reduce labor intensity, especially applicable to the working condition of frequent replacement filler.

The invention relates to a treatment method of a two-stage SCR aftertreatment system and a related device, the treatment method is applied to the two-stage SCR aftertreatment system, the two-stage SCR aftertreatment system comprises a front-stage reaction module and a rear-stage reaction module, and the treatment method comprises the steps that the first temperature of the front-stage reaction module and the second temperature of the rear-stage reaction module are obtained; the working mode of the two-stage SCR aftertreatment system is determined according to the first temperature and the second temperature; acquiring the concentration of a first compound input into a front-stage reaction module, the concentration of a second compound output by the front-stage reaction module and the concentration of a third compound output by a rear-stage reaction module; and determining the first medium output quantity of the front-stage reaction module and the second medium output quantity of the rear-stage reaction module. According to the scheme, under the condition that SCR has high NOX conversion efficiency, it can be guaranteed that the passive regeneration function of a DPF is basically not affected, the concentration of N2O in tail gas is reduced, and tail gas emission reaches the standard.

The invention relates to a method and system for treating tail gas containing regenerated sulfonated kerosene particle carbon, and belongs to the technical field of tail gas treatment. The method comprises the following steps: leading out a regeneration system containing regenerated sulfonated kerosene particle carbon tail gas, and enabling the tail gas to enter a cyclone collector; then continuously entering the combustion chamber to be mixed with a combustion improver and auxiliary gas for combustion; the combusted tail gas enters a quench tower to be cooled; the quenched and cooled tail gas enters a pulse dust collector for dust removal operation, and the dedusted gas is subjected to deacidification treatment; and finally, moisture in the tail gas is removed, and qualified tail gas is obtained. The invention further provides a system for treating the tail gas containing the regenerated sulfonated kerosene particle carbon. According to the tail gas treatment method provided by the invention, CO, nitric oxide, particulate matters, sulfur dioxide and sulfonated kerosene-containing flue gas which is not completely digested by a regeneration furnace in the regenerated flue gas can be deeply treated in a flue gas treatment system, and the flue gas and sewage can be completely discharged up to the standard.

The invention relates to the technical field of biomass particle heavy metal detection, in particular to a denitration method and system based on biomass particle combustion, and the denitration method comprises the following steps: performing combustion operation on unburned biomass particles to obtain biomass ash, screening the biomass ash to obtain biomass coarse ash and biomass fine ash, performing heavy metal detection on the biomass coarse ash, and screening the biomass fine ash to obtain the biomass fine ash and the biomass coarse ash. Carrying out heavy metal detection on the biomass fine ash to obtain a fine ash heavy metal value, if the heavy metal value of the coarse slag or the heavy metal value of the fine ash is determined to be greater than a preset standard threshold value, carrying out heavy metal separation to obtain separated biomass and heavy metal, and carrying out acid pickling on the heavy metal to obtain a neutralized solution; and detecting the gas safety index of the combustion gas, and based on the comprehensive combustion characteristic index value, separating the biomass, safely combusting the gas and neutralizing the solution to complete denitration based on biomass particle combustion. According to the invention, heavy metals can be effectively separated and recovered from biomass ash.

This utility model discloses a Venturi scrubbing dust collector, comprising: a gas inlet, a liquid inlet, a gas-liquid outlet, a constriction section, a throat, a diffuser, and an airflow regulating device; the gas inlet includes a first inlet pipe and a gas inlet cavity; the first inlet pipe is connected to an upstream device to allow gas from the upstream device to enter the scrubbing dust collector; the upper end of the gas inlet cavity is connected to the first inlet pipe, and the lower end is connected to the upper end of the constriction section; the throat is disposed between the constriction section and the diffuser; the end of the diffuser is connected to the gas-liquid outlet; the liquid inlet includes a second inlet pipe and a nozzle; the nozzle is located at the end of the second inlet pipe and is used to spray the scrubbing liquid introduced by the second inlet pipe into the gas inlet cavity in the form of a high-speed jet; the airflow regulating device includes an regulating section and a transmission mechanism; the transmission mechanism is used to drive the regulating section to move up and down in the throat and constriction section regions to adjust the cross-sectional area of ​​the throat.

This invention provides a sterile docking device for fermenters and culture medium containers. Through valve switching control, it perfectly adapts to the entire process of "sterilization inside the fermenter – steam discharge through the exhaust port – medium transport through the inlet and outlet," achieving seamless connection between each stage. A dedicated exhaust port, in conjunction with a waste gas treatment unit, ensures the directional discharge and effective treatment of sterilizing steam, preventing impurities in the steam from impacting the environment. A sealing module prevents external bacterial intrusion, improving sterility and ensuring no leakage during medium flow. A quick-connect clamp assembly allows for rapid connection of the connecting seat and the elastic sealing seat, reducing assembly time and improving efficiency. The waste gas treatment unit effectively removes harmful substances from the waste gas, and an emission monitoring device ensures that waste gas emissions meet standards, reducing environmental pollution and threats to operator health.

The application discloses a treatment system and method for tap water with excessive nitrate. The treatment system comprises a nitrate separation device (1), a frequently reversed electrode electrodialysis device (2), a nanofiltration salt separation device (3) and a water production tank (5). The treatment method comprises the following steps: performing nitrate separation treatment on raw water to obtain concentrated water and pre-production water; passing the concentrated water into the frequently reversed electrode electrodialysis device (2) to obtain low-salt wastewater and high-salt solution; passing the high-salt solution into the nanofiltration salt separation device (3) to obtain permeate and separation liquid; and mixing the separation liquid with the pre-production water as production water. The application is mainly used for treating tap water with excessive nitrate in a tap water plant, and subsequent treatment of concentrated water after removal of nitrate, adopts a salt separation reflux mode, refluxes divalent ions beneficial to human health and pipe network stability in the concentrated water into tap water production water, and makes the TDS content of the nanofiltration concentrated water meet environmental protection requirements after treatment.

The invention discloses a system and method for treating stink and peculiar smell, the system comprises a gas inlet pipeline, a hypochlorous acid generating device and a spraying reaction device, the hypochlorous acid generating device comprises a hypochlorous acid generator, and the hypochlorous acid generator is communicated with a hypochlorous acid collecting box and a sodium hydroxide collecting box; the spray reaction device comprises a first-stage spray tower, a second-stage spray tower and a third-stage synergistic reaction tower which are sequentially communicated, and a circulating spray passage formed by the first-stage spray tower, the second-stage spray tower and the third-stage synergistic reaction tower and the circulating water tank. According to the method, a treatment system is used for treating foul odor. The system has the advantages of low cost, good purification effect, small secondary pollution risk and the like, can efficiently remove various foul odors and odors in waste gas when being used for treating different types of foul odors and odors, can effectively improve the surrounding environment of a paper mill, and is beneficial to environmental protection. The method has the advantages of simple process, convenience in operation, low cost, high treatment efficiency, good removal effect and the like, and is less in agent dosage, less in waste liquid yield, more environment-friendly, high in use value and good in application prospect.

The utility model discloses a fracturing flow-back fluid treatment device, and belongs to the field of oil and gas field wastewater treatment. The fracturing flow-back fluid treatment device comprises a homogeneous regulation tank, a demulsifier adding device, an air flotation treatment tank, a hydrogen peroxide adding device, an ozone adding device, an oxidation gel breaking reactor, a sodium carbonate adding device, a caustic soda adding device, a hardness removal tank, a ceramic membrane ultrafiltration system, a first circulating pump, a water producing tank, a first pH adding device, a salt-tolerant bioreactor and a high-pressure reverse osmosis unit, the low-temperature evaporation crystallization unit is connected with the sludge collection tank; the third reuse water tank is connected with the drying device. Aiming at the characteristics of high salinity and high viscosity of the fracturing flow-back fluid, the fracturing flow-back fluid treatment device with the functions of air flotation oil removal, advanced oxidation gel breaking, salt-tolerant biological treatment and high-pressure membrane treatment is provided, the overall structural design is reasonable, the treatment cost is low, and the fracturing flow-back fluid treatment device is suitable for regions with large shale gas reserves, poor geological conditions, weak ecological environments and underdeveloped economy. The utility model provides an economical and feasible pressure reverse discharge liquid treatment device.

The invention belongs to the technical field of electric power metallurgy automatic control, and provides an annealing furnace combustion-supporting air supply system automatic control method which comprises the steps that a temperature detection element is arranged on an outlet pipeline of a combustion-supporting fan, the temperature of combustion-supporting air is detected in real time, and the optimal rotation speed of the combustion-supporting fan is automatically matched through piecewise linear control according to different combustion-supporting air temperatures on site. On the basis of the optimal rotating speed of the combustion-supporting fan, feedforward control is matched with a PID feedback control algorithm to control the opening degree of an outlet blow-off valve of the combustion-supporting fan so as to adjust the actual combustion-supporting air pressure value; according to the method, a combustion-supporting air temperature detection loop and a piecewise linear control module are added, and automatic matching and giving of the optimal fan rotating speed are achieved. The opening control mode of the blow-off valve is optimized, feed-forward control and PID control are combined, and the pressure stability is improved.

The invention relates to the technical field of oilfield sewage treatment, and particularly discloses a composite water clarifier for oilfield sewage treatment and a preparation method of the composite water clarifier. The invention relates to a composite water clarifier for oilfield sewage treatment. The composite water clarifier is prepared from the following raw materials: dual modified polyacrylamide, an imidazoline quaternary ammonium salt grafted copolymer, a scale inhibitor, an adsorbent, dodecyl dimethyl betaine, a coagulant aid and deionized water, the double modified polyacrylamide is obtained by performing double modification on polyacrylamide by using 2, 3-epoxypropyl trimethyl ammonium chloride and a hydrophobic monomer; the imidazoline quaternary ammonium salt grafted copolymer is a grafted copolymer of imidazoline quaternary ammonium salt, acrylamide and acrylamide-2-methylpropanesulfonic acid. The composite water clarifier can be used for treating high-salt and high-oil sewage generated in the middle and later periods of oilfield exploitation, has the advantages of being high in salt resistance, thorough in demulsification and good in flocculation effect, can efficiently remove oil and suspended solids, ensures that effluent reaches the standard, and meets the complex sewage treatment requirements of an oilfield.

The invention discloses intelligent integrated multi-pollutant and greenhouse gas comprehensive collaborative treatment equipment. Comprising a control area (1), a pretreatment area (2), a desulfurization area (3), a demisting area (4), a VOCs purification area (5) and an alkali liquor area (6), the control area (1), the pretreatment area (2), the desulfurization area (3), the demisting area (4), the VOCs purification area (5) and the alkali liquor area (6) are integrated and mounted on movable equipment. Through intelligent integrated design, the device can effectively solve the problem that multiple pollutants are difficult to treat, and the device is short in installation and construction time, low in cost, convenient to transport and small in occupied area. According to different flue gas conditions, good effects are achieved, and compared with engineering projects such as large-scale construction and design of a large reaction tower, the device has great advantages in the aspects of construction period, cost and use effect.

The application discloses a removal device and removal method for organic matters in uranium purification conversion wastewater, and belongs to the field of uranium wastewater recycling. The application solves the problem that a small amount of organic phase contained in residual liquid of raffinate wastewater generated in a uranium purification process reduces the adsorption effect of exchange resin, and leads to a substandard treatment result of the wastewater. The application comprises a pre-separation tank, a vacuum separator, a pre-filter, a polymer separator and an adsorption filter which are sequentially connected through pipelines. A sewage pipeline is connected to the inlet end of the pre-separation tank. The outlet end of the pre-separation tank is further connected to a waste oil collection tank. A discharge port is arranged on the adsorption filter. Through the removal device and removal method for organic matters in uranium purification conversion wastewater, the content of organic phase in the uranium-containing wastewater is reduced to below 1 mg / L, the adsorption effect of the exchange resin is avoided to be reduced by the organic phase in the uranium-containing wastewater, the adsorption effect of the exchange resin on uranium ions in the uranium-containing wastewater is improved, and the uranium content of the uranium-containing wastewater is discharged below a standard value.

The invention relates to the technical field of cyanide separation and removal, in particular to a cyanide separation method and device in a process of conveying pulverized coal through nitrogen, and the method comprises the following steps: conveying pulverized coal into a gasification furnace through high-pressure nitrogen, and reacting with high-pressure oxygen which is also conveyed into the gasification furnace to generate 3 MPa synthesis gas; the synthetic gas is dedusted; and introducing the dedusted synthesis gas into a two-stage hydrogen cyanide catalysis unit. According to the cyanide separation method and device in the process of conveying the pulverized coal through the nitrogen, one part of cyanide is treated through the hydrogen cyanide catalysis unit on one side of the synthesis gas, a large amount of cyanide can be prevented from entering a water treatment system, the great pressure is relieved for follow-up treatment of the cyanide, and even the cyanide can be discharged after reaching the standard.

This invention discloses a composting method and intelligent composting system based on garden waste. The composting method based on garden waste provides a homogeneous and optimized material basis for efficient fermentation through intelligent pretreatment and dynamic formulation of raw materials. During fermentation, a three-dimensional sensor network is deployed and a synchronized digital twin model is constructed. The model is used to predict the future evolution of internal temperature, oxygen, and microbial activity within the compost pile. The degree of composting is intelligently determined by a multi-source information fusion model. The matured material undergoes multi-stage screening to produce a series of products, and a unique traceability code links the entire process to a digital archive, achieving quality traceability. This invention also provides an integrated system for implementing this method. This invention achieves predictive intelligent control and clean production in the composting process, significantly improving processing efficiency, product quality, and resource utilization, while effectively controlling operating costs and environmental pollution.

The invention discloses a waste gas treatment device for non-woven bag production, and particularly relates to the technical field of waste gas treatment.The waste gas treatment device comprises a conveying pipe, the conveying pipe is connected with a non-woven bag production device, the other side of the conveying pipe is fixedly connected with a first treatment mechanism, and the right side of the first treatment mechanism is fixedly connected with a dehumidification filtering mechanism; the middle of the right side of the dehumidification filtering mechanism is fixedly connected with a matching mechanism. According to the waste gas treatment device for non-woven fabric bag production, firstly, waste gas is subjected to acid-base neutralization to remove acidic harmful components, synchronous cooling treatment is conducted, the reaction time is prolonged, the basic purification effect is improved, then the waste gas makes uniform contact with an adsorption material through multi-path split-flow transmission, residual harmful gas is fully adsorbed, and the waste gas treatment effect is improved. Finally, fine particles are efficiently removed through a rotary capturing structure, attached particles are promoted to fall off and be recycled through the vibration effect, a single power source drives multiple structures to operate cooperatively, energy consumption is reduced, waste gas leakage is avoided through whole-process closed treatment, and it is ensured that exhausted gas meets the environmental protection standard.