425 results about "Gas emissions" patented technology

The invention relates to the technical field of industrial environmental protection, in particular to a double-hearth lime kiln low-emission collaborative dust removal system and a control method. The control method comprises the steps that a flue gas sensing module collects real-time flue gas parameters and kiln body working condition data; the working condition linkage regulation and control unit dynamically adjusts operation parameters of the dust removal equipment through a fuzzy PID working condition matching algorithm; the regional collaborative dust removal assembly performs differential dust removal according to flue gas characteristics and treatment requirements of different dust raising points, and flue gas flow guide is performed through a double-hearth time sequence valve group during kiln body switching; the noise elimination and vibration isolation cooperation unit adjusts the noise elimination amount and the vibration isolation damping according to the rotating speed of the draught fan and controls noise and vibration. The tail gas deep purification unit evaluates the dust removal state through a flue gas and dust coupling model, carries out deep treatment on the dedusted tail gas and controls the tail gas emission concentration; the anti-blocking optimization unit carries out cooperative anti-blocking through dynamic rapping and airflow purging based on historical operation data and real-time working conditions. Therefore, the problems of poor dust removal stability, high operation energy consumption and the like in the prior art are solved.

The invention discloses a gas extraction dynamic regulation and control system and method based on three-dimensional modeling, and relates to the technical field of three-dimensional modeling, and the method comprises the steps: constructing an underground multi-source sensor network, and collecting underground gas extraction multi-modal data flow; the method comprises the following steps: acquiring an underground gas historical extraction data set, performing dynamic early warning analysis in combination with an underground gas extraction multi-modal data flow, and establishing a gas emission abnormity early warning model and an extraction system failure early warning model; self-adaptive fusion modeling is carried out, and a three-dimensional model of the extraction drilling system is generated; and the gas emission abnormity early warning model and the extraction system failure early warning model are mapped to the extraction drilling system three-dimensional model for extraction regulation and control analysis to determine target gas extraction control parameters, and extraction closed-loop regulation and control are carried out. The technical problem of monitoring and regulation response lag caused by gas extraction data islanding in the prior art is solved, and the technical effects of real-time sensing, intelligent early warning and accurate regulation in the gas extraction process are achieved.

The invention provides equipment and a method for testing the emission amount of harmful gas in a tunnel, and relates to the technical field of tunnel construction. Comprising a sleeve, a gas parameter testing unit installed on the sleeve, a water tank communicated with the interior of the sleeve and a gassing module installed on the water tank, and the gassing module is connected with the gas parameter testing unit; one end of the sleeve can be dynamically sealed with the drill rod, and the other end of the sleeve is of an opening structure; the gassing module is used for separating out gas in water and conveying the gas to the gas parameter testing unit; and the gas parameter testing unit is used for detecting the concentration and flow velocity of harmful gas in the sleeve and the concentration of harmful gas separated out from water. A gas parameter testing unit is arranged to monitor the data change of gas gushing out of the drill hole in real time; the gassing module can separate out gas in water in real time and convey the gas to the gas parameter testing unit to measure the concentration of dissolvable gas, so that the calculation of the emission amount is more comprehensive and accurate.

The invention discloses a competitive evolution multi-task optimization method, system and equipment, and aims to solve the problem that an existing method is difficult to carry out collaborative optimization on fuel cost and gas emission under the condition that power balance and unit capacity constraint conditions are met. The method comprises the following steps: constructing main and auxiliary double-population parallel search; state indexes representing population convergence, diversity and feasibility are calculated in real time; based on the current state, a cooperation mode and evolution operator combined action is adaptively selected through a deep reinforcement learning agent; rewards are calculated according to improvement of the population on cost, emission and constraint satisfaction after action execution; and training the intelligent agent by using the state, the action and the reward, and iteratively optimizing the decision strategy until the Pareto optimal scheduling scheme meeting the constraint is output. According to the method, adaptive intelligent guidance of the evolutionary process is realized, and the optimization quality, the convergence speed and the algorithm robustness of the economic emission scheduling scheme of the power system are remarkably improved.

The invention discloses an oil gas treatment method and system based on pressure triggering and temperature feedback control, a medium and a product, and relates to the field of oil gas treatment. The method comprises the following steps: when a pressure value and an actual temperature of an oil tank meet trigger conditions, guiding oil gas in the oil tank into a condensation unit for condensation, liquefying preset high-boiling-point components in the oil gas into a liquid oil product, and adsorbing the condensed residual oil gas through a double-layer adsorption bed arranged in an adsorption tank in sequence; according to the temperature of the adsorption bed and the tail gas emission concentration, the saturation index is calculated through a composite saturation judgment algorithm, when adsorption is saturated, the vacuum pump is started to conduct vacuum desorption on the adsorption tank, oil gas adsorbed on the double-layer adsorption bed is desorbed, and the desorbed oil gas is circularly sent back to an inlet of the condensation unit to be subjected to secondary condensation liquefaction recovery. By implementing the technical scheme, oil gas can be effectively treated, and the oil gas recovery efficiency is improved.

The invention relates to the technical field of coal mine gas concentration prediction, in particular to a coal mine gas concentration time sequence prediction method and system based on LSTM. The method comprises the following steps: collecting multi-source data such as a mining machine pose time sequence, a micro-seismic monitoring event sequence and roadway environment monitoring, constructing a damage-permeability evolution equation by combining geological information, inverting a coal-rock mass dynamic stress damage field, calculating a gas dynamic permeability field and a gushing source intensity field, and finally predicting the gushing source intensity field by combining a space-time prediction model with historical data. And predicting future gas concentration distribution. And real-time space positioning of the coal mine gas emission source is realized.

The invention provides a coal mine gas risk virtual deduction early warning method and system based on multi-source information fusion, and belongs to the technical field of gas risk early warning. The method comprises the steps that firstly, geological, mining and environment multi-source data are collected, and after preprocessing and feature extraction, high-dimensional risk feature vectors are fused and constructed; then, the vector is used for driving a virtual working face system containing mining, ventilation and gas emission intelligent agents to perform evolution, a Monte Carlo tree search algorithm is used for prospectively deducing a future multi-step state, and the risk entropy of each path is calculated; and finally, generating a dynamic risk probability graph based on a deduction result, and solving a Pareto optimal decision set giving consideration to safety, efficiency and economy through multi-objective optimization. According to the method, the conversion of the gas risk from passive monitoring to active early warning is realized, the problem of early warning hysteresis is effectively solved, and advanced and accurate scientific decision support is provided for gas disaster prevention and control through risk visualization and spatial positioning.

The invention relates to the field of industrial wastewater treatment, in particular to an oxidation flocculation treatment system for sulfur-containing wastewater in mancozeb production. The system comprises a parameter acquisition module, a loss evaluation module, a boundary prediction module, a strategy selection module and a dynamic execution module. The system performs feature extraction in combination with the multi-dimensional state parameters of the fluid, and quantifies the buffer capacity loss degree of the sulfur-containing wastewater by using a mapping model; the method is characterized in that the speed of approaching a system failure boundary is predicted based on loss degree change, a fluid regulation and control strategy is generated in combination with a dangerous threshold value, and an oxidizing agent and / or a flocculating agent are / is dynamically controlled to be added for fluid state reconstruction; according to the method, the traditional passive dosing depending on a single instantaneous index is abandoned, a control object is expanded to hidden system buffer toughness, colloidal sulfur enrichment is recognized in advance and other potential risks, the hysteresis defect of a conventional sensor is overcome, prospective early warning is realized, and sludge floating and harmful gas dissipation are effectively avoided.

The invention relates to the technical field of radiation protection and environment monitoring, and particularly discloses a radioactive waste gas emission radiation dose real-time monitoring system which comprises a fixed monitoring base station network, an autonomous mobile monitoring cluster, a data fusion and cooperative control center and a radiation dose field three-dimensional reconstruction and evaluation terminal. Through air-ground cooperative monitoring, plume prediction and intelligent path planning based on an atmospheric diffusion model, and a physically constrained spatial interpolation algorithm, efficient tracking of a radioactive plume three-dimensional dynamic diffusion process and accurate reconstruction and visual evaluation of a three-dimensional dose field are realized. According to the system, an air-ground cooperative monitoring system composed of a fixed base station network and an autonomous mobile cluster is constructed, so that a passive and static monitoring normal form is fundamentally changed.

The invention relates to the technical field of combustion control, and discloses an efficient combustion system of a full-premixing condensation wall-hanging stove, which comprises a combustion optimization end, a condensation heat recovery end, an intelligent control end, a safety monitoring end, an energy efficiency management end, a user interaction end, a maintenance diagnosis end, an environment adaptation end, a fuel compatibility end and a system integration end, by arranging the independent combustion optimization end and the premixing control module, key emission parameters can be monitored in real time and combustion parameters can be adjusted based on feedback control circulation when fuel gas components, environment temperature and user load dynamically change, so that it is guaranteed that the air-fuel ratio is maintained within the optimal preset interval within the full working condition range, and the air-fuel ratio is kept within the optimal preset interval within the full working condition range. The problems that due to misalignment of the air-fuel ratio, the combustion efficiency is reduced, harmful gas emission is increased, and operation noise is increased are solved, the combustion stability and cleanliness are improved, and the energy efficiency level of the system is integrally improved through cooperative work of the heat exchanger module at the condensation heat recovery end and the working condition adjusting module.

The utility model provides a gypsum powder calcination tail gas emission treatment system which is used for producing gypsum powder by taking high-temperature flue gas generated by combustion of fire coal or natural gas as a heat source so as to reduce the tail gas oxygen content in the gypsum powder calcination process and reduce the tail gas treatment difficulty and cost, and relates to the technical field of gypsum powder production. The gypsum powder calcination tail gas emission treatment system comprises an anti-hardening fan, a desulfurization absorption tower and a powder frying device, a purified gas outlet channel of the desulfurizing absorption tower is provided with a purified gas outlet branch, a tail gas inlet of the desulfurizing absorption tower is connected with an exhaust port of the powder frying device, and an air inlet of the hardening-preventing fan is connected with the purified gas outlet branch. And an air outlet of the anti-hardening fan is connected with a pressure air inlet of the rice noodle frying device.

Computer-aided procedure that features: Detecting a first drilling platform at a first location by a processor (721) and using a first machine learning model at least partially based on a first data set containing spectral data describing a gas emission from the first location; Detect, by the processor (721), an environmental event within a minimum distance from the drilling platform; Determine, by the processor (721), a probability of damage to the first drilling platform as a result of the environmental event; and Predictions of a suitable location for a second drilling platform at a second site without a drilling platform, at least partially based on a similarity between the terrain of the second site and the terrain of the first site, and a probability of damage resulting from the environmental event at the second site, wherein the environmental event is a fire, landslide, tornado, hurricane, or flood.

The utility model relates to the technical field of combustion gas emission, in particular to a steam generator combustion gas filtering and discharging device which comprises an installation frame, a limiting plate is installed in the installation frame in a sliding mode, a collecting box is installed at the lower end of the installation frame in a sliding mode, and fan blades are installed in a connecting plate in a rotating mode. A dust removal box is slidably mounted in the mounting frame, and a filter bag is mounted in the dust removal box. According to the improved combustion gas filtering and discharging device of the steam generator, one side of a blocking bolt is pulled away from a hole in the lower portion of a limiting plate by sliding the blocking bolt, then a fixed handle is pulled, the fixed handle drives the limiting plate and a filter screen frame to leave a sliding groove formed in a mounting frame, a collecting box slides into a limiting frame in a matched mode, and a rotating handrail is lifted; and the dust removal box is lifted to leave the interior of the mounting frame, so that the device can be quickly assembled and disassembled during use, subsequent maintenance or replacement is facilitated, and the use efficiency of the device is improved.

This invention provides a high-efficiency gas-liquid separator for hydrogen recirculation in a proton exchange membrane fuel cell system, comprising: a shell, the interior of which, from bottom to top, includes a liquid collection section, an air inlet distribution section, a gas-liquid separation section, and a gas emission section. The liquid collection section has a liquid collection chamber; the air inlet distribution section has a cavity and an air inlet extending into the cavity; the gas-liquid separation section has a liquid removal baffle assembly, comprising several vertically arranged liquid removal baffles, each baffle being a corrugated plate with several bent structures; and the gas emission section has a metal braided mesh and a gas collection chamber, the metal braided mesh positioned above the liquid removal baffle assembly, and the gas collection chamber positioned above the metal braided mesh. This invention solves the problems of low hydrogen recirculation flow and uneven droplet separation particle size affecting the stability and lifespan of the recirculation pump in existing technologies.

A kind of block discrete element-finite element combined modeling gas enrichment zone intelligent identification method, collects the stratum geological data and mine production data of abandoned mining area;Obtain stratum mechanical parameters and gas occurrence parameters;Establish a three-dimensional mine geological model in block discrete element UDEC;Carry out excavation, balance simulation of stoping section, and extract the stope fracture image after excavation;The stope fracture image is imported into image recognition software Coreldraw, and the coordinates of each stope fracture are obtained;A space grid model is established in MATLAB, and the permeability is given by using the relationship between the coordinates of the stope fracture and the space grid;The obtained permeability is imported into finite element software COMSOL in the form of interpolation method for gas flow simulation, and the gas emission and enrichment area are comprehensively determined. This method can accurately determine the enrichment area of underground gas in abandoned stope, and can provide scientific guidance for the layout of ground gas extraction well.

The invention relates to the technical field of gas dust removal and purification, in particular to a dust removal and purification device for sesame processing gas emission, which comprises a box body, one side of the box body is provided with a gas inlet end, the upper side of the box body is provided with an exhaust port, and the upper side of a flow equalizing shell is fixedly provided with an exhaust filtering assembly. A circulating cooling assembly is fixedly mounted on one side of the flow equalizing shell; an electronic spray head is started through a controller, under the action of a reset spring, a driving rack is driven to move upwards through pulling force, the driving rack drives a movable plate to move upwards in a flow equalizing shell, an air inlet filter screen is driven to move upwards, a connecting rod is driven to rotate, and the connecting rod drives a cleaning plate to move upwards along the surface of a condensation pipe; an oil film generated by condensation on the surface of the condensation pipe is scraped, so that the surface of the condensation pipe is kept clean, and the problem of low condensation purification efficiency caused by the fact that grease is adhered to the surface of the condensation pipe to form the oil film and hinder heat transfer is prevented.

5 Disclosed is a process for capturing multi-gas emissions. The process comprises passing multi-gas emissions through a reactor unit, spraying any one of sodium hydroxide, fly ash, fly ash-slaked / quick lime mixture, fly ash- steelmaking residue mixture, slaked lime- steelmaking residue mixture, red mud and red mud-fly ash mixture, over the multi-gas emissions in the reactor unit; and capturing water droplets coming along the multi-10 emissions using a demister unit.

The application discloses a kind of based on underground engineering construction absolute gas emission quantity calculation method, belong to underground engineering safety field, a kind of based on underground engineering construction absolute gas emission quantity calculation method, including core desorption curve calculation absolute gas emission quantity model, core desorption curve calculation absolute gas emission quantity model includes new exposed rock mass gas emission quantity Q1, new exposed rock wall gas emission quantity Q2 and absolute gas emission quantity Q 绝 The application can achieve the purposes of wide application range, strong operability, few test times and calculation process in line with objective laws, is suitable for all types of harmful gases, needs fewer parameters for calculation, does not increase additional tests, and only needs to record desorption gas amounts at different times during core field desorption, so that the entire calculation process is completely in line with the observation rules of gas emission, effectively improving the accuracy of gas emission calculation.

The application discloses a casting process for a large four-cylinder diesel engine cylinder cover, which comprises the following steps: S1, core making; S2, sand core assembling; S3, pouring; and S4, mold opening. In the core making process, each sand core part is perforated, so that the sand amount is reduced, the hollowing process is realized, the overall weight of the sand core is reduced, the gas emission amount during the combustion of the sand core in the pouring process is reduced, and the gas discharge is facilitated; meanwhile, a coating and an asbestos pad are coated on the surface of each sand core, one-way gas discharge is realized, the exhaust passage is effectively prevented from being infiltrated with molten iron and losing effectiveness, and the pouring quality is ensured.

This invention relates to a method for obtaining and warning of borehole gas emission parameters, belonging to the field of coal mine safety. It solves at least one of the following problems encountered during existing underground engineering drilling operations: the inability to accurately obtain borehole parameters (blowout intensity level, number of blowouts), the inability to scientifically predict and warn of the degree of borehole hazard, and the difficulty in taking timely graded hazard avoidance measures. A method for obtaining borehole gas emission parameters includes: obtaining the basic mechanical parameters and geostress parameters of the coal body; constructing the influence coefficient t of the plastic zone radius and the influence coefficient g of the failure zone radius of the coal body surrounding the borehole; obtaining the benchmark value W0 of the borehole gas emission per unit time during normal drilling in the mining area; and constructing a borehole intensity grading model based on t, g, and W0. This invention achieves accurate acquisition of borehole parameters (blowout intensity level, number of blowouts), providing a reliable parameter basis for the scientific prediction and warning of borehole hazard and the timely implementation of graded hazard avoidance measures.

The invention discloses a gasoline engine particle trap with a low expansion coefficient and a preparation method of the gasoline engine particle trap, and belongs to the technical field of gasoline engine tail gas emission treatment. The preparation method comprises the following steps: mixing an inorganic raw material, a pore-forming agent, a binder and a powder electrically neutral modifier, adding water, stirring into mud, pugging, carrying out extrusion molding, drying and sintering to obtain a ceramic matrix, and carrying out crossed hole plugging at two ends of the ceramic matrix to obtain the particulate filter. Wherein the inorganic raw materials comprise talc, kaolin, fused quartz powder, alpha-aluminum oxide and magnesium-aluminum double hydroxide. The synthetic magnesium-aluminum double hydroxide is used for completely or partially replacing active oxidation, so that the thermal expansion coefficient of the ceramic matrix can be directly and greatly reduced, and the thermal shock resistance of the particulate filter is improved.

The invention discloses a hydrogen chloride gas absorption device-modified double-path pure water absorption system and a process method, and relates to the technical field of chemical waste gas treatment and resource recovery. The device comprises a hydrochloric acid synthesis furnace, a first-stage falling film absorber, a second-stage falling film absorber, a combined tail gas absorption tower and a tail gas purification unit which are sequentially connected, as well as a pure water supply system and an automatic control system. The system is characterized in that the pure water supply system is divided into two independent branches through a water inlet header pipe to be connected to the combined tail gas absorption tower, and each branch is provided with an automatic regulating valve. According to the method, a traditional single-path water absorption system is transformed into a double-path standby system through low-cost technical improvement of an existing single-path absorption device, automatic and rapid switching to the other path when one path breaks down is achieved, and therefore the problems that in the prior art, production is discontinuous, product concentration fluctuation is large, and potential safety hazards exist are effectively solved; the effects of efficiently, continuously and safely producing high-concentration hydrochloric acid and realizing near-zero emission of tail gas are achieved.

This utility model discloses a triangular connecting rod and a three-link engine, including a piston, a cylinder block, a main connecting rod, a main connecting rod pin, a triangular connecting rod assembly, a secondary connecting rod, a secondary crankshaft, a drive gear, and a main crankshaft. The piston is disposed inside the cylinder block, the main connecting rod is disposed on the piston, the main connecting rod pin is disposed at the bottom of the main connecting rod, the triangular connecting rod assembly is disposed on the main connecting rod pin, the secondary connecting rod is disposed at the right end of the triangular connecting rod assembly, the secondary crankshaft is disposed at the lower right end of the secondary connecting rod, the drive gear is disposed at the rear end of the secondary crankshaft, and the main crankshaft's main shaft diameter passes through the large end bore of the triangular connecting rod assembly. This solution significantly improves engine thermal efficiency and fuel economy while reducing harmful gas emissions.

The utility model discloses durene efficient catalytic oxidation equipment, which belongs to the field of chemical process and reaction engineering and comprises a reaction tank, a feed pipe is fixedly connected to the left side of the top surface of the reaction tank, a discharge pipe is fixedly connected to the middle of the bottom surface of the reaction tank, and opening and closing devices are arranged in the feed pipe and the discharge pipe. A gas conveying pipe is fixedly connected to the right side of the top surface of the reaction tank, a treatment tank is fixedly connected to the right end of the gas conveying pipe, and a purification device is arranged in the treatment tank. The opening and closing devices are arranged on the upper side and the lower side of the reaction tank, the treatment tank is arranged on the right side of the reaction tank, the purification device is arranged in the treatment tank, and feeding and discharging of the reaction tank are controlled through the opening and closing devices, so that manual operation is reduced, and health and safety of workers are guaranteed; and gas generated in the durene catalytic oxidation process is treated through the purification device, so that emission of harmful gas is reduced, and the environment and personnel safety are protected.

The utility model belongs to the technical field of tail gas emission aftertreatment, and relates to a rapid soot loading device of a diesel particulate filter, which comprises a diesel particulate filter body, one side of the diesel particulate filter body is provided and connected with an exhaust pipe, one end of the exhaust pipe is provided and connected with a fuel heater, and the other end of the exhaust pipe is provided and connected with a diesel engine. A pressure sensor and a particulate matter sensor are connected to the middle of the exhaust pipe, an air inlet is formed in one end of the fuel heater, an oil inlet path is connected to the middle of the fuel heater, and an oil storage tank is connected to one end of the oil inlet path. According to the system, automatic back pressure adjustment can be achieved, so that the soot loading time is shortened, the rapid soot loading effect is achieved, manpower, materials and time cost are greatly saved, sufficient soot loads can be provided for a regeneration test of a diesel particulate filter body through rapid soot loading, and the system is suitable for large-scale popularization and application. Therefore, research and optimization of the regeneration process are accelerated.

The utility model relates to the technical field of wharfs, in particular to a novel zero-carbon wharf which comprises a wind driven generator, an energy storage device, a wave energy power generation device, a distributed photovoltaic panel and production and living electric equipment. The wind driven generator, the wave energy power generation device and the distributed photovoltaic panel convert wind energy, wave energy and solar energy into electric energy and store the electric energy in the energy storage device. The energy storage device supplies power to wharf production and living electric equipment; according to the zero-carbon wharf, renewable power generation facilities are adopted for collecting clean energy and converting the clean energy into electric energy to be supplied to the wharf, the clean energy is efficiently utilized, dependence on traditional energy is reduced, and self-sufficient and self-use of the wharf energy is achieved; power equipment such as wharf loading and unloading equipment and transportation machinery is adopted, energy is supplied to ships berthing to the harbor through the shore power system, the problem of tail gas emission is solved, meanwhile, the environmental noise of the wharf is reduced, and zero carbon emission of the wharf in the operation process is achieved.

This invention belongs to the field of combustion control technology for heating furnaces, specifically a dynamic prediction method for air-fuel ratio based on combustion control in heating furnaces. It includes preprocessing raw monitoring data from the heating furnace operation process based on combustion mechanisms, constructing a multi-dimensional input vector, outputting the optimal air-fuel ratio prediction value for future moments based on an improved LSTM neural network model, and adjusting the combustion air supply to the heating furnace according to the optimal air-fuel ratio prediction value. This invention effectively solves the problem of slow response to gas fluctuations and changes in operating conditions in traditional methods through the synergistic driving of mechanisms and data, significantly improving the accuracy and real-time performance of combustion control. Furthermore, by deeply integrating physical mechanisms, it enhances the model's generalization ability and interpretability, significantly improving the thermal efficiency of the heating furnace and reducing unit product energy consumption and harmful gas emissions.

The invention relates to the technical field of gas control, and discloses a coal-pillar-free self-formed roadway 110 construction method well up-down integrated area gas control method which comprises the following steps: S1, dividing a coal resource into a planning area, a preparation area and a production area according to the time of mine construction or mining operation of the coal resource; s2, gas pre-extraction treatment on the well in the planning area; s3, advanced treatment of underground gas in the preparation area; s4, precise advanced treatment of underground gas of the working face is carried out; and S5, working face stoping. According to the method, the above-well drilling pre-extraction technology is utilized, the above-well extraction purpose of replacing space with time is achieved, accurate advanced underground extraction is conducted on gas of the continuous working face through the coal-pillar-free self-formed roadway of the upper working face in the production area, and the underground extraction purpose of replacing time with space is achieved; the supporting pressure of the working face is reduced, the stress distribution rule is changed, the pressure difference between coal seam gas and roadway atmospheric pressure is reduced, and the crossheading gas emission amount is reduced.

The invention discloses a fuel mixing and supplying mechanism of a dual-fuel engine, and relates to the field of fuel mixing, the fuel mixing and supplying mechanism comprises a cylinder bridge, a connecting rod, an air compression assembly and a cylinder assembly, the air compression assembly comprises an air compression outer barrel, an air compression inner barrel, an air compression piston and an air supply mechanism, and the cylinder assembly comprises a cylinder piston, an air cylinder sleeve and an oil pumping mechanism. When the air compression outer barrel moves along with the air cylinder bridge, the air supply mechanism sucks air and fuel gas in a self-suction mode through the pressure difference of a cavity in the air compression process, the air and the fuel gas are mixed in proportion, the mixed gas is conveyed into a combustion chamber of the air cylinder sleeve, and quantitative supply of the mixed gas can be achieved without additional supercharging equipment; fuel oil is pumped into the air cylinder sleeve through the oil pumping mechanism, the gas supply mechanism feeds mixed gas of fuel gas and air in a self-suction mode for layering or homogeneous mixing, the dual-fuel supply system can flexibly adjust the proportion of the fuel gas and the fuel oil according to the load working condition, the combustion process is optimized, and emission of harmful gas is reduced while power output is guaranteed.

The utility model discloses a waste gas waste heat recovery system which comprises a waste gas incinerator, a high-temperature induced draft fan and a flue gas pipeline, one end of the flue gas pipeline is connected with an outlet of the waste gas incinerator, the other end of the flue gas pipeline is connected with the high-temperature induced draft fan, and a valve is arranged on the flue gas pipeline. The heater is connected to an outlet of the high-temperature induced draft fan and is used for heating the tail gas; the urea solution pyrolysis chamber is connected with the heater and is used for pyrolyzing urea into gasified urea; the denitration reactor is connected with a pyrolysis gas outlet of the urea solution pyrolysis chamber through a pipeline and is used for reducing nitrogen oxide in gasified urea after pyrolysis. The utility model has the following advantages: on one hand, the temperature of the high-temperature tail gas generated after the combustion of the waste gas furnace is about 300 DEG C, the electric heating energy can be saved, and on the other hand, the oxygen content of the combusted tail gas is lower than the oxygen content of air, so that the oxygen content of the whole system can be reduced after the tail gas enters the denitration device, and the tail gas emission compliance of the whole system is improved.