6830results about "Incinerator apparatus" patented technology

The invention provides a nitrogen oxide incineration equipment control method for drying carbonization, which comprises the following steps: acquiring combustion characteristic data of high-humidity sludge blocks in a fluidized bed incinerator, and extracting nitrogen oxide peak intensity, occurrence time, duration and peak shape steep degree to obtain a parameter set; real-time load data of the induced draft fan are obtained, the hearth negative pressure stability fluctuation range is analyzed in combination with the adjustment value, and if fluctuation exceeds a preset safety range, the load adjustment amplitude of the induced draft fan is calculated, and a load adjustment curve is generated; a multi-actuator cooperative control time sequence model is constructed based on the load adjustment curve and the adjustment value, the nitrogen oxide peak generation time and the duration are fused, the cooperative adjustment time sequence of secondary air supply and the draught fan load is calculated, and a control instruction is generated; and a control instruction is transmitted to a fluidized bed incinerator executing mechanism, the opening state of the tuyere and the air volume ratio are adjusted, the load of the induced draft fan is updated, and the adjusted hearth operation parameters are continuously monitored.

The invention discloses an intelligent control method and device for the urban solid waste incineration process, a medium and a product, and relates to the technical field of urban solid waste incineration. The method comprises the steps that the pusher speed, the fire grate speed, the primary air flow, the secondary air flow, the combustion time, the main steam flow and the furnace oxygen amount of the urban solid waste incineration process at the current moment are obtained; according to the pusher speed, the fire grate speed, the combustion time and the main steam flow at the current moment, the main steam flow at the next moment is determined through a main steam flow prediction model; according to the primary air flow, the secondary air flow and the furnace oxygen amount at the current moment, the furnace oxygen amount at the next moment is determined through a furnace oxygen amount prediction model; and in combination with a switching rule based on expert knowledge, a main steam flow controller and a furnace oxygen amount controller are solved by utilizing a gradient descent algorithm, and the optimal control rate is determined so as to control the urban solid waste incineration process. The solid waste treatment efficiency is improved, and rapid and stable control over the main steam flow and the furnace oxygen amount is achieved.

The invention discloses a small waste incineration full-automatic control system and method, and particularly relates to the technical field of solid waste treatment.The method comprises the following steps that waste throwing is recognized through infrared induction, a preheating device is started to heat a combustion chamber, and the heating intensity is adjusted in real time; when the temperature reaches a preset threshold value, the air volume, the feeding time and the combustion time are controlled according to the garbage type, and stable combustion is achieved; the concentration of carbon monoxide, nitric oxide and particulate matter in tail gas is monitored in the whole process, and combustion parameters are automatically adjusted when the emission limit value is close; after combustion is finished, slag is automatically discharged according to the amount of slag; meanwhile, temperature and emission data are collected and uploaded to a remote terminal, and full-process intelligent control and environment-friendly management are achieved; the whole-process automatic control is realized, and the manual dependence is reduced; combustion efficiency and adaptability are improved through an intelligent model; an emission prediction and feedback mechanism is introduced to ensure that the tail gas is environmentally friendly and reaches the standard, and the system stability and the intelligent level are enhanced.

The invention belongs to the technical field of waste gas treatment, and particularly relates to a coking waste gas treatment device which comprises a pretreatment box, an acid liquor spray tower, an alkali liquor spray tower, a condensation filter box, an adsorption box and a combustion discharge chamber, and is characterized in that a filter part I and a filter part II are arranged in the pretreatment box, and a spiral pipe is fixedly mounted in the pretreatment box; a rotary liquid spraying mechanism for preliminarily removing waste gas impurities is arranged in the pretreatment box, and an anti-blocking mechanism is arranged below the rotary liquid spraying mechanism. According to the coking waste gas treatment device, the rotary liquid spraying mechanism and the spiral pipe are arranged in the pretreatment box, and the motor drives the rotating shaft to rotate, so that water in the water sump is sprayed out through the water spraying opening and cooperates with rotation of the rotating shaft to flush waste gas impurities. Waste gas enters the spiral pipe in a spiral mode, impurities are easily thrown out under the action of centrifugal force after being condensed when meeting water, and the removal efficiency of the impurities in the waste gas is greatly improved through the filtering action of the first filtering piece and the second filtering piece.

The invention discloses a pyrolysis recovery system for cooperative treatment of waste wind power blades by a power station boiler, and belongs to the technical field of solid waste recovery. The system comprises a power station boiler, a pyrolyzing furnace, a mixed flue, a nitrogen air flue and a controller. Oxygen is accurately controlled by mixing flue gas at different temperature levels and mixing nitrogen, and a safe and stable heat source is provided for the pyrolyzing furnace; pyrolysis gas returns to a boiler hearth through an outlet flue to be burnt out, and recyclable fibers and residues are conveyed out through a chain grate stoker; and the controller is linked with each sensor to execute oxygen control, temperature regulation, fiber quality protection and safety interlocking operation. The problems that in pyrolysis of the waste wind power blade, heat source adaptability is poor, oxygen concentration is out of control, fiber quality is poor, the risk is high, and pyrolysis gas is difficult to dispose are solved, and gradient utilization of energy, intrinsically safe operation, high-quality and high-purity recovery of fibers and collaborative treatment of pollutants are achieved.

The invention discloses a remote ignition control system for a release flare, and relates to the technical field of release flare control, the system comprises the following components: a fault detection module, a fault isolation module, a standby module, a redundant circuit switching module, a fault diagnosis module and a wireless communication module; by integrating multiple modules of fault detection, fault isolation, standby module and redundant circuit switching, fault diagnosis and wireless communication, comprehensive remote monitoring and management of the release flare ignition control system are achieved, when the system detects a fault, electrical connection of a fault component can be rapidly cut off, and the safety of the release flare ignition control system is improved. And the standby module or the redundant circuit is automatically switched, so that the continuous and stable operation of the system is ensured, the reliability and the safety of the system are remarkably improved, and the risk of production interruption caused by faults is reduced.

The invention discloses a control process and equipment for processing waste gas treatment in the generic semiconductor industry, and relates to the technical field of semiconductor, panel, solar energy and LED waste gas treatment. The equipment comprises a gas inlet control unit, a plasma torch, a reaction cavity, a water tank and a washing tower which are sequentially connected, wherein the gas inlet control unit comprises a three-way valve to realize switching of a main machine and a standby machine; the water tank is provided with a heat exchange and monitoring part; the washing tower comprises a washing section, a turbulent flow section and a demisting section. The process comprises the steps of air inlet control, pyrolysis combustion, cooling and pre-dedusting, water washing, washing tower treatment and the like, and is combined with PID control of plasma power and CDA consumption, and logic control of drainage, flushing and the like. The problems of pipeline blockage and corrosion caused by high operation cost, short PM period and poor washing effect in the process of treating high-dust and high-corrosion process waste gas in the prior art are solved, and the method has the advantages of reducing the cost, prolonging the maintenance period, improving the treatment efficiency and the like.

The invention belongs to the technical field of catalytic oxidation of carbon-containing industrial waste gas, and particularly relates to a Pd catalyst for catalytic combustion of carbon-containing waste gas as well as a preparation method and application of the Pd catalyst. The invention provides a Pd catalyst for catalytic oxidation of carbon-containing industrial waste gas such as CO and volatile organic pollutants VOCs. The Pd catalyst is obtained by compounding an amorphous CeO2 nano-cluster with a TiO2 substrate (marked as cCeO2 / TiO2) and indirectly regulating the form of Pd through gradient regulation of the content of the amorphous CeO2 nano-cluster by a sol-gel method on the basis of strong interaction of Pd and Ce species. The Pd catalyst prepared by the invention shows excellent low ignition temperature, high performance and certain universality in the catalytic combustion process of carbon-containing industrial waste gases such as CO and low-chain VOCs (Volatile Organic Compounds). In addition, the method for preparing the Pd catalyst is simple to operate and mild in condition, and has great industrial application potential and value.

The invention discloses a low-temperature methanol washing RTO tail gas treatment device adopting a self-circulation air cooling double-valve-plate butterfly valve, and relates to the technical field of waste gas treatment. By arranging the condensation impurity removal mechanism, when coal waste gas passes through one condensation assembly, low-temperature tail gas cleaned by the low-temperature methanol washing mechanism can flow through a plurality of heat exchange pipes in the condensation assembly at the same time, so that the temperature of the outer walls of the heat exchange pipes is rapidly reduced to be below zero DEG C; coal tar gas and water vapor flowing through the low-temperature heat exchange pipe can be quickly cooled and solidified after being in contact with the outer wall of the low-temperature heat exchange pipe, so that the effect of separating the coal tar gas and the water vapor from the tail gas is achieved; a cold source which cannot be utilized and can influence subsequent RTO furnace treatment in the part of tail gas is ingeniously used for separating energy of coal tar and water vapor in the waste gas, a refrigerating device does not need to be independently arranged in the cooling and condensing process of the coal tar and the water vapor, and the purposes of energy conservation and emission reduction are achieved.

The invention provides a waste incineration digital intelligent system and a construction method. A waste warehouse intelligent management module transmits processed and sorted waste digital information to a waste incineration intelligent control module and a smoke intelligent prediction control module; the garbage incineration intelligent control module feeds back garbage combustion state information to the garbage warehouse intelligent management module and the smoke intelligent prediction control module, and the smoke intelligent prediction control module feeds back data information needing to be changed in garbage combustion to the garbage incineration intelligent management module. And the flue gas intelligent prediction control module feeds back flue gas indexes to the garbage warehouse intelligent management module. A multivariable model prediction control technology fusing AI prediction has the advantages that an AI artificial intelligence control technology machine learning technology is introduced, an expert operation mode and a voting operation method are extracted in a prediction model through historical big data learning and production process learning, and a control scheme is innovative and also has practical applicability.

To efficiently recover carbon dioxide from exhaust gas generated through incineration while suppressing energy consumption.SOLUTION: A waste incineration system includes: an incinerator for burning waste while conveying the waste in the combustion chamber with a fire grate; dust removal means for removing dust from exhaust gas discharged from the incinerator; mixed gas supply means for supplying mixed gas obtained by mixing gas containing oxygen and part of exhaust gas from which dust has been removed by the dust removal means to the combustion chamber; cleaning means for cleaning the exhaust gas from which dust has been removed by the dust removal means; and liquefaction means for directly liquefying carbon dioxide included in the exhaust gas cleaned by the cleaning means without interposing a device for separation and recovery.SELECTED DRAWING: Figure 1

The invention discloses activated carbon adsorption and desorption catalytic combustion equipment, and belongs to the field of waste gas treatment. The activated carbon adsorption and desorption catalytic combustion equipment comprises a spray tower, a dry filter, a catalytic combustion furnace, a heat exchange mechanism, an exhaust fan and a discharge pipe, an air inlet pipe is arranged at the air inlet end of the spray tower, and a first connecting pipe is arranged between the air outlet end of the spray tower and the air inlet end of the dry filter; the air inlet end of the air exhaust fan is provided with an air exhaust pipe, and the air exhaust end of the dry filter is provided with a second connecting pipe; the first gas inlet pipe is arranged at one end of the adsorption tower, and the first gas inlet pipe is communicated with the second connecting pipe; the catalytic efficiency of desorbed organic matters is effectively improved, meanwhile, small-particle dust is effectively prevented from being attached to the main activated carbon plate to affect the adsorption effect and the desorption effect, and waste gas is effectively prevented from being exhausted into the atmosphere to pollute the air.

According to the incineration pollution cooperative control method based on multi-target reinforcement learning, a multi-modal sensor array is deployed in a hearth, a flue and a fly ash processing unit, multiple parameters such as combustion temperature and flue gas retention time are collected in real time to construct a high-dimensional dynamic characteristic matrix, and data collection and processing are carried out to meet subsequent model requirements. Based on the dynamic characteristic matrix, defining three types of objective functions of pollutant emission minimization, fly ash metal recovery rate maximization and resource cost minimization, adopting a depth deterministic strategy gradient algorithm to construct a multi-objective reinforcement learning joint optimization model, and taking a combustion air ratio and the like as an action space; and strategy exploration and value evaluation are realized through a dual-network structure. Meanwhile, a priority evaluation module based on fuzzy logic is constructed, the weight coefficient of an objective function is dynamically adjusted according to real-time working conditions, and dynamic weight distribution and multi-objective collaborative optimization control are achieved. According to the method, multiple targets in the waste incineration process can be effectively balanced, the incineration efficiency and the resource utilization level are improved, and pollutant emission is reduced.

The embodiment of the invention relates to the technical field of data processing, in particular to a waste incineration control treatment method and system based on a total waste heat value. According to the embodiment of the invention, the total garbage calorific value label can be accurately and timely determined, so that the accurate and prospective total calorific value is further obtained, and the effective control on the garbage incineration process is further realized. According to the embodiment of the invention, the acquisition of the multi-modal information, the application of the total calorific value prediction model and the generation of the dynamic incineration control strategy are combined, so that not only are the precision and timeliness of the total calorific value prediction improved, but also the refined control of waste incineration can be realized based on the predicted total calorific value, the energy efficiency maximization is ensured as far as possible, and the economic benefit is improved. Meanwhile, stable output of heat energy or electric energy is realized.

The invention belongs to the technical field of tail gas treatment, particularly relates to a tail gas treatment device for difluoromethane preparation, and provides the following scheme aiming at the problem that the existing tail gas treatment device for difluoromethane preparation is not easy to maintain and upgrade: the tail gas treatment device comprises an absorption tank; the upper side of the fixed base is connected with the bottom of the absorption tank through a flange, a round hole is formed in the bottom of the fixed base, a conveying pipe is fixedly connected into the round hole, the upper side of the absorption tank is fixedly connected with a discharge pipe and a combustion bin, and the inner wall of the combustion bin is fixedly connected with the exterior of the discharge pipe; one end of the discharge pipe away from the absorption tank is fixedly connected with a nozzle. According to the tail gas treatment device for difluoromethane preparation, the tail gas treatment device can be designed into a filtering module and an alkali washing module, so that the tail gas treatment efficiency of the device can be improved under the condition that the overall complexity is not increased, and the tail gas treatment device is convenient to maintain and upgrade.

The invention provides a coal mine ventilation air methane synergistic enrichment and fluidized heat storage combustion system and method. The system comprises an air shaft diffusion tower and a ventilation air methane collecting device, the method comprises the following steps: collection and compression of ventilation air methane, cooling and boosting adsorption of an adsorption tower, pressure drop equalization of the adsorption tower, temperature rise, pressure reduction and desorption of the adsorption tower, pressure rise equalization of the adsorption tower, periodic cycle work of the adsorption tower, preheating of a packed bed of a heat storage furnace, fluidized heat storage oxidation of coal gangue and gas, and waste heat recovery and utilization. According to the invention, safe and efficient enrichment of ventilation air methane can be realized, and fluidized heat storage oxidation coupling utilization of concentrated gas and coal gangue particles can be realized; the oxidation waste heat is used as a generator heat source; the carbon reduction scheme of large-scale separation and concentration-synergistic oxidation-efficient utilization of the oversize coal mine ventilation air methane is formed, the coal industry is assisted to achieve the goal of'two wastes' and sustainable development, and large-flow, low-cost, safe and efficient treatment and utilization of the ventilation air methane discharged by an oversize low-gas mine can be achieved.

Provided are equipment and methods for intelligent mobile medical waste disposal and flue gas purification, and the equipment includes a vehicle-mounted mobile platform and a skid-mounted standard container; where, the vehicle-mounted mobile platform is composed of a standard semi-trailer truck and a truck carriage base; the vehicle-mounted mobile platform is used for realizing functions of mobile transportation, cargo loading, fuel loading and unloading, power charging and discharging and network information transmission; the skid-mounted standard container is loaded above the truck carriage base of the vehicle-mounted mobile platform; and the skid-mounted standard container consists of a standard container and contents in the standard container; and the contents include: an intelligent collection and transportation feeding system, a medical waste pyrolysis incineration system, an incineration flue gas purification system, and an intelligent management and control system for medical waste disposal.

The invention relates to the technical field of intelligent monitoring of the waste incineration process, in particular to an intelligent monitoring method and system for the waste incineration process and electronic equipment. The method comprises the following steps: (1) collecting multi-dimensional historical data, and cleaning and normalizing the multi-dimensional historical data; (2) constructing a combustion process model by using a convolutional neural network (CNN) and a recurrent neural network (RNN), and weighting time sequence features through an attention mechanism; (3) introducing a transfer learning technology, and reducing cross-scene distribution difference based on a domain adaptive algorithm; and (4) fusing reinforcement learning to dynamically adjust equipment parameters, and giving consideration to thermal efficiency and pollution suppression targets by a reward function. According to the system, an edge-cloud collaborative architecture is adopted, the edge nodes complete real-time calculation, and the cloud executes model iteration. The incineration stability is remarkably improved, pollutant emission is reduced, and the method is suitable for complex working conditions.

The invention relates to the technical field of solid waste incineration automatic control, and discloses a solid waste incineration equipment automatic control method and system.The method comprises the steps that real-time data of solid waste components in a hearth are collected, and an initial multi-dimensional parameter set is obtained through preprocessing; calculating a balance point of the heat value and the water content through fuzzy reasoning; when the balance point exceeds a threshold value, parameter interaction influence is predicted, and a multi-dimensional control vector is generated; performing data fusion and historical data matching in combination with real-time incineration process indexes to obtain an enhanced load distribution adjustment factor; carrying out weight comparison based on the adjustment factor and the balance point, judging a load balance influence index, and carrying out matching correction if the index exceeds a compatible threshold value; updating a load distribution scheme according to a correction result, and generating a final operation strategy; and a control instruction is sent through a feedback cycle mechanism and is continuously optimized, so that closed-loop control is realized. The device can adaptively treat dynamic changes of solid waste components, and the incineration efficiency and stability are improved.

The invention provides a cerium oxide photo-thermal synergistic catalytic material loaded with a metal promoter as well as a preparation method and application of the cerium oxide photo-thermal synergistic catalytic material. The cerium oxide photo-thermal synergistic catalytic material loaded with the metal promoter comprises a cerium oxide nanocrystal and the metal promoter loaded on the surface of the cerium oxide nanocrystal, the exposed crystal face of the cerium oxide nanocrystal comprises a {111} crystal face, and the area of the {111} crystal face accounts for more than 50% of the total area of the outer surface of the crystal face; the mass fraction of the metal cocatalyst is 0.1-2wt% of the mass of the cerium oxide. The catalytic material provided by the invention takes cerium oxide with a {111} crystal face as an exposed special crystal face as a carrier, photons can be captured and charges can be separated more efficiently, and phonons further promote deep trap state charge release. Meanwhile, the metal additive is added and cooperates with cerium oxide with exposed special crystal faces for catalysis, so that the catalytic effect is remarkably improved, and efficient catalytic combustion of methane is achieved under the mild condition.

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.

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.

Disclosed in the present invention are a main steam temperature control method and system for an incineration boiler of a waste incineration power plant. The method comprises: forming a cascade PID control dual-loop on the basis of a primary desuperheater, a primary superheater, a main PID controller and an auxiliary PID controller, and tuning the cascade PID control dual-loop; obtaining the current main steam flow rate, the current main steam temperature and the current boiler hearth temperature, and the main steam temperature and the boiler hearth temperature after a set delay time; obtaining the current actual waste treatment amount and the density of waste entering the incineration boiler, and calculating a predicted value of the current waste incineration heat; calculating a temperature feedforward value of the main steam temperature; and superimposing the temperature feedforward value and a temperature adjustment value output by the auxiliary PID controller in the cascade PID control dual-loop, generating a control value on the basis of the superimposed value, and controlling the water spraying amount of the primary desuperheater on the basis of the control value. In the present invention, on the basis of conventional PID cascade dual-loop control, correction value feedforward compensation is added to the control loop, thereby effectively improving the stability of the main steam temperature in waste incineration power generation.

The invention relates to the technical field of garbage feeding control, in particular to a garbage feeding device for incineration power generation and an adjusting method. Garbage water content characteristics are analyzed through leachate flow time sequence data, density characteristics are quantified in combination with load coefficients, combustion characteristics are represented through carbon monoxide concentration changes, and a leachate characteristic coefficient, density characteristic coefficient and combustion characteristic coefficient three-dimensional index system is constructed. A clustering algorithm is adopted to carry out mode recognition on garbage grabbing operation, and clustering clusters with similar combustion characteristics are formed. In a cluster to which current garbage grabbing operation belongs, parameters of a feeding speed and a shake-off speed are dynamically optimized based on carbon monoxide concentration distribution characteristics, and a traditional fixed control mode is replaced. According to the method, intelligent matching of garbage component changes and process parameters is achieved, the combustion process is optimized through leachate management, pile compaction degree and the like, and garbage combustion sufficiency is remarkably improved.

The utility model relates to the technical field of combustion devices, and discloses an environment-friendly catalytic combustion device which comprises combustion equipment, a water tank, a filter box and a heating radiator, a heat exchange pipe is installed on one side of the top end of the combustion equipment, and the middle of the heat exchange pipe is a snake-shaped part. Through the design, after water in the water tank is heated by the heat exchange pipe communicated with the combustion equipment, hot air emitted by hot water is conveyed to the heating radiator through the first exhaust pipe communicated with the top of the water tank, the top of the filter box is communicated with the second exhaust pipe, and the hot air which is filtered and still has waste heat is also conveyed to the heating radiator through the second exhaust pipe to be utilized; and the filter box is fan-shaped, the rotating disc is rotated through the motor, so that one side, provided with a newly-installed filter plate, of the outer side of the rotating disc is rotated into the filter box for use, the used side is rotated out of the filter box, the filter plate can be quickly replaced, and the disassembly and assembly difficulty of the filter element is reduced.

The invention relates to the technical field of sludge treatment, in particular to a sludge drying incineration treatment device and method. Comprising a support, the upper side of the support is movably connected with a base, the upper side of the base is connected with a stirring furnace, the upper side of the stirring furnace is fixedly connected with the inner top end of the support, and the outer walls of the stirring furnace and the base are sleeved with a drying furnace. The contact area of sludge and hot air flow is increased, and air can permeate into the sludge, so that the speed that moisture in the sludge is taken away by the hot air flow is increased, rapid drying is realized, and the sludge is dried more uniformly; the driving motor drives a series of transmission parts such as gears and rods, so that the fixed plate and the sealing plate rotate intermittently; the sludge in the stirring furnace is quantitatively conveyed to the drying furnace, the drying process is maintained to be carried out under a relatively stable working condition, and the drying effect is ensured to be consistent.

The invention discloses an energy-saving type waste incineration flue gas purification device and a purification process. According to the energy-saving type waste incineration flue gas purification device, through combination of the incinerator, the waste heat boiler, the dust removal device, the SCR device, the GGH device and the like, multi-stage purification and energy recovery of flue gas are achieved. And through the arrangement of the dry method device and the SNCR device in the furnace, preliminary deacidification and denitration can be conducted in the incineration process, and the burden of follow-up treatment is reduced. The condensation heat exchanger is introduced, so that sensible heat and latent heat in the flue gas are further utilized, the energy utilization efficiency is improved, and the energy consumption is reduced. According to the invention, the contradiction between heating for denitration and cooling for deacidification is solved, the waste heat of the flue gas is recovered, and heat is transferred to the SCR in a coupling manner; pollutants are efficiently removed, ultralow emission is achieved, latent heat and sensible heat of flue gas are fully utilized, and the energy utilization rate is effectively increased.

Systems and methods for producing green hydrogen from a source material (e.g., biowaste) are contemplated. The source material is at least partially dehydrated to produce a dried intermediate and recovered water. The dried intermediate is pyrolyzed to produce syngas and a char. The recovered water is electrolyzed to produce oxygen and green hydrogen.

The invention discloses a green treatment system and process based on steel structural part coating waste gas, and relates to the technical field of steel structural part coating. The system comprises a multi-stage pretreatment module, a composite adsorption regeneration system, a catalytic oxidation and waste heat recycling module and a data monitoring and operation and maintenance platform. The process comprises the following steps: step 1, multi-stage pretreatment; step 2, gradient adsorption; step 3, microwave regeneration and negative pressure enhanced regeneration, and step 4, intelligent regulation and big data optimization, by adopting a double-layer adsorption structure of zeolite molecular sieve (outer layer) and mesoporous activated carbon (inner layer), differential capture is performed on low-boiling-point and high-boiling-point VOCs: the outer-layer zeolite molecular sieve quickly adsorbs low-boiling-point components, the inner-layer mesoporous activated carbon enriches high-boiling-point components, and the low-boiling-point components and the high-boiling-point components are separated from each other; and meanwhile, the microwave negative pressure regeneration technology is combined, so that high-boiling-point organic matter residues are avoided.

The invention provides a petroleum coke drying and calcining system, which belongs to the technical field of tar treatment and comprises a feeding bin, a waste heat rotary drying furnace, a calcining furnace, a slag cooler, a receiving bin and a tail gas incineration chamber connected with the calcining furnace. The green petroleum coke raw material is fed into a waste heat rotary drying furnace to be dried; a drying furnace water vapor outlet, a drying furnace smoke outlet and a drying furnace waste heat tail gas inlet are formed in the waste heat rotary drying furnace; high-temperature tail gas generated by calcining and volatilizing materials in the calcining furnace enters the tail gas incineration chamber through the calcining furnace tail gas volatilization opening, and high-temperature tail gas generated by mixed combustion of the high-temperature tail gas and fuel gas entering the tail gas incineration chamber enters the calcining furnace and reversely flows with the materials in the calcining furnace to calcine the materials in the calcining furnace, so that primary utilization of the tail gas is realized. The high-temperature tail gas is calcined to absorb heat to form low-temperature tail gas, and the low-temperature tail gas enters the waste heat rotary drying furnace to dry materials, so that secondary utilization of the tail gas is realized, and the problems of low integration degree, high production cost and low treatment efficiency are solved.