9322results about "Incinerator apparatus" patented technology

A process system and process method for treating hydrogen sulfide-containing acid gas. The process system comprises a sulfur recovery unit, a tail gas treatment unit having an acid gas concentration function, and a flue gas alkaline scrubbing unit. The method comprises: subjecting sulfur-containing tail gas to concentration treatment by means of an absorption column (1) of the tail gas treatment unit, and then introducing same into the sulfur recovery unit to undergo a Claus reaction for separation, so as to obtain sulfur and sulfur recovery tail gas; introducing the sulfur recovery tail gas into the tail gas treatment unit, successively carrying out combustion and hydrotreating, and introducing the obtained gas into the absorption column (1) of the tail gas treatment unit; and in the tail gas treatment unit, introducing gas absorbed by the absorption column (1) into the flue gas alkaline scrubbing unit, and successively carrying out incineration and alkaline scrubbing, so as to discharge desulfurized gas. The content of SO2 in the tail gas treated by the process system is ≤50 mg / Nm3, and the requirements for full-period standard reaching of sulfur dioxide emission of tail gas during startup, shutdown and normal operations can be satisfied.

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 objective of the present invention is to provide a method for preparing cremation crystals, the method using phosphoric acid extracted from cremated remains as a catalyst in the heat treatment of ashes so that transparent cremation crystals can be prepared only with components of skeletal remains derived from a single individual, and using only skeletal remains of a single individual through the control of the classification ratio of raw bone powder and phosphorus-extracted bone powder, and the like, so that the amount of phosphorus in the crystals is controlled, thereby enabling cremation crystals transparency to be controlled, and thus aesthetic requirements of consumers are satisfied and use as various kinds of jewelry is also facilitated.

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 equipment intelligent control, and discloses a multi-objective optimization intelligent control method for a combustion carbon dioxide production system. The method comprises the following steps: constructing a combustion mechanism model; training a combustion data model; fusing the combustion mechanism model and the combustion data model to obtain a dual-drive model, and determining an optimization target; a dual-drive model is adopted to simulate the garbage combustion process, the control strategy is optimized according to the optimization target, and combustion equipment is adjusted; the advantages of the two models are effectively fused, advantage complementation between the models is achieved, and therefore the physical interpretability and adaptability of the models are improved; in the control strategy optimization process, not only is the combustion efficiency considered, but also carbon emission and pollutant emission are considered, the combustion efficiency is improved, and the carbon emission and the pollutant emission are reduced, so that multi-target optimization of the combustion carbon dioxide production system is achieved, and the control strategy optimization efficiency is improved. And the environment-friendly performance and the economic performance of the garbage combustion carbon dioxide production system are improved.

The invention relates to the technical field of flue gas, and provides a deacidification control method and device for a garbage incinerator, and the method comprises the steps: obtaining combustion parameter data, purification parameter data and gas detection data, inputting a preset prediction model, and outputting future emission data; inputting the future emission data into a preset parameter model, outputting future control parameters, and calculating future concentration parameters and future injection quantity parameters of the lime slurry; analyzing a future concentration parameter linear interval and a future injection quantity parameter linear interval; inputting the future concentration parameter and the injection quantity parameter into a preset temperature control model, and outputting a future temperature parameter linear interval; all the intervals are input into the semi-dry method deacidification tower, so that the future temperature and the future production concentration can be controlled by automatically adjusting a valve port of the semi-dry method deacidification tower, and the problem that when components and loads of garbage change, control parameters are difficult to adjust in time, and consequently flue gas emission exceeds the standard or lime slurry is wasted is solved.

The invention discloses a method for efficiently converting solid waste into renewable energy sources and a real-time detection and maintenance system thereof, and the system specifically comprises an abnormal monitoring parameter obtaining module which is used for collecting flue gas monitoring parameters in real time in the waste incineration process, carrying out the analysis and judgment, generating flue gas monitoring parameter abnormal signals, obtaining abnormal flue gas monitoring parameters, and sending the abnormal flue gas monitoring parameters to a control module; determining an abnormal degree sorting table; and the abnormal monitoring parameter acquisition module is used for acquiring flue gas monitoring parameters in real time in the waste incineration process, analyzing and judging the flue gas monitoring parameters and generating flue gas monitoring parameter abnormal signals. According to the method, by determining the optimization parameter sorting table, determining the priority adjustment parameters and adjusting the priority adjustment parameters, manpower, material resources or time and other resources invested for adjusting all abnormal parameters at the same time can be reduced, the parameters which have the largest influence on the system are adjusted preferentially, the abnormal problem can be solved step by step on the premise that the system stability is guaranteed, and the efficiency is improved. The parameter with the largest influence is adjusted preferentially, and the performance improvement of the system can be seen more quickly.

The invention discloses an RTO heat storage type incineration method waste gas treatment device which comprises a spraying adsorption box, one side of the spraying adsorption box is fixedly connected with a connecting pipe, the other end of the connecting pipe is fixedly connected with a gas inlet pipe, an impurity removal device is arranged on the inner side of the gas inlet pipe, a stirring assembly is arranged in an inner cavity of the spraying adsorption box, and the stirring assembly is fixedly connected with the spraying adsorption box. The waste gas treatment device has the advantages that through the arrangement of a filter plate, particle impurities contained in waste gas can be conveniently blocked at the front end of the filter plate, at the moment, airflow generated by the waste gas can conveniently drive a plurality of spiral blades to rotate, and therefore the waste gas treatment device is convenient to use. Furthermore, a rotating shaft can conveniently drive a cleaning brush to rotate and sweep at the front end of a filter plate, particle impurities on the outer side of the filter plate are removed, and at the moment, the particle impurities fall into a material collecting drawer under the action of gravity to be collected.

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 relates to the technical field of environmental protection, in particular to a garbage incinerator combustion management system which comprises a data acquisition module, a data preprocessing module, a data analysis module, a decision control module and a combustion adjustment module. Wherein the data acquisition module is used for acquiring combustion data in the combustion process of the garbage incinerator; the data preprocessing module is used for preprocessing the collected combustion data; the data analysis module is used for analyzing the preprocessed combustion data in real time and judging the efficiency and the pollutant emission level of the current combustion process; the decision control module is used for generating a combustion adjustment instruction; and the combustion adjusting module is used for adjusting the air flow, the temperature and the fuel input amount in the combustion process. Through real-time data analysis and automatic adjustment and optimization of combustion parameters, efficient control over the combustion process of the garbage incinerator is achieved, the combustion efficiency is remarkably improved, pollutant emission is reduced, and the environmental protection property and economical efficiency are improved.

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 utility model relates to the field of waste gas treatment, and discloses an electric heating RTO for waste gas treatment, which comprises an upper chamber body, an oxidizing chamber I, an oxidizing chamber II and an oxidizing chamber III are arranged in the upper chamber body, and an electric heater I is arranged between the oxidizing chamber I and the oxidizing chamber II. A second electric heater is arranged between the second oxidizing chamber and the third oxidizing chamber, a cantilever crane is fixedly connected to the upper portion of the upper chamber body, a lower chamber body is arranged at the bottom of the upper chamber body, a valve system is arranged on the front portion of the upper chamber body, and the lower chamber body comprises three heat storage chambers. The upper parts of the three heat storage chambers are fixedly connected to the bottoms of the oxidation chamber I, the oxidation chamber II and the oxidation chamber III respectively. The utility model aims to improve and adopt a modular structure, is convenient to install, optimizes the fluency of the flow channel, ensures the uniformity of the internal temperature, and controls the temperature below 1500 DEG C, so that the emission of nitrogen oxides is avoided, and the treatment efficiency is higher.

The utility model relates to the field of energy recovery, in particular to a waste energy recovery device for biogas power generation in a waste incineration power generation project. The utility model provides a waste energy recovery device for biogas power generation of a waste incineration power generation project, which can be used for recovering waste heat in waste gas generated by waste incineration power generation and biogas power generation and improving the energy utilization efficiency. A waste energy recovery device for biogas power generation in a waste incineration power generation project comprises a first connecting pipe, a first connecting hollow pipe and the like, and the rear side of the first connecting pipe is connected with the first connecting hollow pipe. After waste gas flows into the connecting heat conduction pipe, water in the first water tank is heated, hot water can be discharged for use through the water discharging pipe, and water vapor generated in the water heating process can flow into the steam generator from the steam pipe to generate electricity. The effects that waste heat in waste gas generated by waste incineration power generation and biogas power generation can be recycled, and the energy utilization efficiency is improved are achieved.

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.

The present application provides a domestic sludge self-sustaining incineration process, comprising primary drying, secondary drying, crushing, and incineration, comprising: performing primary drying on domestic sludge by using dry hot air to obtain sludge having a moisture content of 40% to 55%; then performing secondary drying by using hot flue gas produced during incineration to obtain sludge having a moisture content not higher than 20%; further crushing the sludge and mixing the crushed sludge with hot flue ash produced during incineration, and feeding the mixture into an incinerator to undergo self-sustaining incineration at 850°C to 950°C; and performing solid-gas separation on high-temperature flue gas produced after combustion, wherein the obtained hot flue gas is returned back for secondary drying and the obtained hot flue ash is mixed with the crushed sludge. The present application further provides a device for the treatment process. According to the treatment process of the present application, self-sustaining combustion can be safely and stably completed after drying pretreatment is performed on domestic sludge having a high moisture content; no auxiliary fuel needs to be added during incineration, and heat energy of the system can be fully utilized; reduction treatment of domestic sludge can be achieved.

The invention relates to the technical field of smoke purification, in particular to an industrial smoke purification device and a purification method. The invention aims to solve the problem that the existing smoke treatment equipment has a poor treatment effect on harmful substances. According to the technical scheme, the industrial smoke purification device comprises a purification cylinder, an air inlet pipe is fixedly connected to the right side of the purification cylinder in a communicating mode, an exhaust port is formed in the top of the purification cylinder, a first liquid passing port and a second liquid passing port are formed in the left side of the purification cylinder, and the first partition plate is fixedly connected into the purification cylinder. By arranging the atomization unit, waste gas flows upwards in the gap between the flow dividing pipe and the extrusion plug through air pressure and makes contact with absorption liquid through the ventilation plate, due to the fact that the gap between the flow dividing pipe and the extrusion plug is small, the gas can flow at a high speed when the waste gas passes through the gap, and the absorption liquid is attracted to enter the flow dividing pipe through the flow guiding pipe; waste gas collides with the absorption liquid to generate fine bubbles, and the waste gas absorption efficiency of the absorption liquid is improved.

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 relates to the technical field of incinerators, and discloses an efficient and low-pollution garbage incinerator which comprises an incinerator body and an incinerator cover fixedly installed at the top end of the incinerator body, a mesh plate is fixedly installed on the inner wall, close to the bottom of the incinerator body, of the incinerator body, and an air inlet pipe communicated with the interior of the incinerator body is fixedly installed on the outer surface, located above the mesh plate, of the incinerator body. An exhaust pipe is fixedly installed at the top end of the furnace cover, a slag discharging opening and a slag scraping opening are formed in the outer surfaces, close to the upper side and the lower side of the mesh plate, of the furnace body in a penetrating mode, and a spherical hole is formed in the top end of the furnace cover in a penetrating mode. Through overall rotation of the feeding pipe, discharged garbage can be uniformly spread on the mesh plate when the feeding pipe rotates, and the garbage thrown onto the mesh plate by the feeding pipe each time can avoid the last throwing position, so that the situation that the garbage thrown at each time is in the same position is avoided; therefore, newly thrown garbage is accumulated on the garbage which is burning to extinguish flames, and the garbage burning effect is influenced.

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 discloses a waste alkali liquor incineration treatment and energy recovery system for a propylene epoxidation device, and belongs to the field of energy conservation and environmental protection. Sodium salt in a molten state formed in the incineration process is fully cooled and dried into a solid state through a cold fluid mixing and membrane wall heat transfer coupling cooling technology, solid alkaline residues and alkaline ash formed in the cooling process are captured and conveyed in a closed mode through a sodium salt dispersing and collecting method, energy recovery of incineration heat release is achieved through a multi-effect heat exchange network, and the energy recovery efficiency is improved. By means of the system and method, up-to-standard emission of smoke generated in the incineration process is achieved.

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 in the present invention is a multi-purpose modular operation optimization system for a municipal solid waste incineration process. The system comprises a multi-modal historical data synchronous driving module, an MSWI-process virtual control object module, an MSWI-process loop control module, an MSWI-process monitoring module, an operation parameter assisted decision-making module, a data-acquisition forward isolation module, an operation parameter reverse transmission module, an MSWI-process single-objective / multi-objective operation optimization module, a difficult-to-measure procedure parameter soft-measurement module, a multi-modal data driven procedure parameter prediction module, a vision-driven combustion state identification module, a flame combustion line quantification module and a multi-modal data acquisition module. The multi-purpose modular operation optimization system for a municipal solid waste incineration process provided in the present invention can achieve functions such as laboratory operation-optimization algorithm verification, laboratory procedure-parameter-modeling algorithm simulation and real-time verification, industrial field data acquisition and procedure parameter modeling, and industrial field assisted decision-making and operation optimization, and the system is convenient to use.