654 results about "Smoke flow" patented technology

The utility model discloses a plate heat exchanger, belongs to the field of air pre-heaters, solves the problem that in the prior art, plates of a plate heat exchanger are prone to damage when heat exchange is conducted in dust-containing flue gas, and adopts the technical scheme that the plate heat exchanger comprises a heat exchange plate, and the heat exchange plate is formed by welding and fixing two thin plates through a plurality of welding parts; the non-welded portions of the thin plates are far away from each other to form a gas flowing cavity, the edges, close to the smoke flowing-in side, of the two thin plates of the heat exchange plate are first ends, the first ends are fixed through welding parts, guiding pieces are installed at the first ends, and the thickness of the guiding pieces is larger than that of the two thin plates. The dust-containing flue gas heat exchanger is mainly used for realizing heat exchange in dust-containing flue gas at low cost.

The invention discloses an intelligent layering and guiding device for highway tunnel fire smoke and a control method, and relates to the technical field of tunnel fire safety, a smoke flow Froude number is introduced as a direct control target, the parameter represents the ratio of smoke flow inertia force to buoyancy force, the numerical value directly determines the stability of a layering interface, and the layering interface can be directly controlled. The Froude number of each subarea of the tunnel is calculated in real time through a sensing network and is compared with a critical value calibrated through an experiment, when a real-time value is lower than the critical value, it is indicated that inertia force is relatively insufficient, the buoyancy effect is dominant, and instability and entrainment are likely to happen to an interface between a smoke layer and lower cold air, and then according to a control algorithm, the smoke layer and the lower cold air are controlled. The micro jet fan applies directional inertia force to a smoke layer by adjusting the angle and the speed, the intelligent induction smoke outlet optimizes local pressure difference and flow by adjusting the opening degree and assists in maintaining flowing, the smoke flowing state is actively locked in a stable layered flow interval, and mixing and sedimentation caused by flow state instability are prevented.

The invention provides a CFD optimization-based air volume matching and linkage control method and system for a smoke prevention and exhaust system of an underground powerhouse, and belongs to the technical field of underground smoke exhaust systems. The method comprises the following steps: performing physical modeling according to an actual underground powerhouse, and performing grid division, solver selection, boundary condition setting and airflow field change simulation to obtain an initial airflow field; cFD is adopted to simulate temperature changes, smoke concentration changes and airflow changes in different fire scenes, wind flow and smoke flow in the underground powerhouse are analyzed, the defects of an existing system are evaluated, and smoke exhaust pipeline arrangement and fan configuration are optimized according to the defects; the airflow change in the fire environment is dynamically calculated by combining the real-time monitoring system and the CFD, and the air volume of the pressurized air supply system, the smoke exhaust system and the air supplement system is adjusted. Efficient linkage of the system is achieved, while personnel evacuation safety is guaranteed, the smoke exhaust efficiency and the emergency response capacity are improved, energy consumption is reduced, and the dual goals of energy saving and efficiency improvement are achieved.

The invention relates to the technical field of cloth cutting, in particular to a laser cutting machine for processing automobile sunshade cloth, which comprises a cutting table, the top of the cutting table is fixedly connected with a placing mesh plate, the bottom of the cutting table is provided with an adsorption assembly, and one side of the cutting table is provided with a tension type smoothing assembly matched with the adsorption assembly; according to the sunshade cloth cutting device, sunshade cloth can be stably adsorbed and fixed, the problem that the cutting quality is reduced due to the fact that the cloth is subjected to stretching acting force during cutting is solved, and generated smoke can be purified; besides, in combination with a tensioning type smoothing assembly, the cloth is flattened and smoothed, purified smoke flows in a heating plate, part of heat is taken away, enters a tensioning roller and then is discharged from an air outlet pipe, the temperature of the heating plate is reduced, the cloth is prevented from being damaged due to overheating, preheating treatment of the cloth is achieved, and the service life of the cloth is prolonged. Meanwhile, intensified preheating is conducted on the cloth flattening and stretching area, and then the flattening effect is improved.

The invention discloses a fire-fighting smoke exhaust pipeline laying planning system based on an industrial cloud platform, and relates to the technical field of pipeline laying planning, and the system comprises a building information collection module which collects building data; the cloud edge cooperative computing module is used for constructing a smoke exhaust simulation model by using distributed computing resources of an industrial cloud platform and carrying out real-time parameter iteration through edge nodes; the pipeline path planning module is used for generating a plurality of candidate laying paths by using an improved algorithm and carrying out path optimization based on a pipeline resistance coefficient and a construction cost constraint condition; and the scheme verification and optimization module is used for carrying out smoke flow dynamics simulation verification on the optimal path scheme, identifying scheme defects and carrying out iterative optimization on path parameters through a genetic algorithm. According to the invention, through a cloud-edge collaborative intelligent computing architecture, a multi-dimensional constrained dual-target optimization mechanism and a dynamic adaptive path planning and verification system are fused, and collaborative improvement of fire-fighting smoke exhaust pipeline laying planning in accuracy, efficiency and compliance is realized.

A method for controlling an air valve of an air-conditioning type range hood, wherein a casing of the air-conditioning type range hood is provided with a smoke exhaust passage and an air outlet passage isolated from each other, the smoke exhaust passage comprising a first smoke exhaust passage and a second smoke exhaust passage, an air valve for switching the air passages between the first and second smoke exhaust passages is installed at the air outlet of the range hood fan, a first heat exchanger is installed in the first smoke exhaust passage, and a second heat exchanger is installed in the air outlet passage. During use by a user, the method for controlling the air valve of the air-conditioning type range hood diagnoses the working state of the air valve, and dynamically adjusts the control logic of the air valve according to the user's behavior habits, thereby avoiding the possibility that the air valve is adhered to the flue by oil stains due to long-term non-use of the air-conditioning mode, ensuring the working reliability of the air valve, and improving the reliability of the operation of the range hood. At the same time, in the air-conditioning cooling mode, the air valve is opened smoothly, so that the oil smoke airflow can flow through the condenser in the smoke exhaust passage to dissipate the heat of the condenser, thereby improving the energy efficiency of the air conditioner.

The invention provides an atmospheric pollution monitoring traceability system under multi-source data perception, and relates to the technical field of pollution monitoring traceability, and the system comprises the steps: interacting a sensing distribution network of a preset monitoring region; equipment source end data is collected and returned, multi-source data fitting and pollution level evaluation are carried out, and a dynamic contour map is generated; performing big data retrieval to mine a smoke flow influence function; sample driving training is carried out, and a pollution traceability model is constructed; performing pollution factor traceability analysis, and determining pollution trend distribution; a pollution source is identified, pollution out-of-limit identification is carried out, and terminal equipment visualization and early warning are carried out. According to the invention, the technical problem that the traceability result has large uncertainty due to the fact that the pollution diffusion process is difficult to accurately analyze in the existing atmospheric pollution monitoring and traceability technology can be solved, and the technical target of accurate traceability is achieved. The technical effects of improving the positioning accuracy of the pollution source, enhancing the pollution diffusion prediction capability and improving the pollution treatment response efficiency are achieved.

The invention is suitable for the technical field of flue gas waste heat utilization, and provides a high-temperature flue gas heat exchanger which comprises a heat exchange assembly, and a flue gas inlet assembly is fixed to the top of the heat exchange assembly; the heat exchange assembly comprises a box part, a water inlet part inserted into the box part and a plurality of heat conduction parts slidably arranged on the water inlet part, and the smoke inlet assembly comprises a smoke inlet part, a displacement part slidably arranged in the smoke inlet part and a blocking part slidably arranged in the smoke inlet part. The high-temperature flue gas heat exchanger solves the technical problems that in the using process of an existing high-temperature flue gas heat exchanger, heat exchange tubes and fins in the high-temperature flue gas heat exchanger are mostly fixedly connected into the high-temperature flue gas heat exchanger, the heat exchange effect of the high-temperature flue gas heat exchanger is too poor, and the heat exchange effect of waste heat in flue gas is reduced. The technical effects that smoke flow in the heat exchange box can be accelerated, the heat exchange effect of the multiple fins and the smoke in the heat exchange box is improved, and the later heat exchange efficiency is improved are achieved.

The invention provides a lithium ore roasting waste heat recovery device and a process for extracting beryllium from lithium-containing ore. The waste heat recovery device comprises a box body, an adjusting mechanism and a heat exchange pipe. A first dispersion cover and a second dispersion cover are mounted on the left side and the right side of the box body through bolts, and the adjusting mechanism is located outside the second dispersion cover; the adjusting mechanism comprises a discharge pipe, a mounting cover and an adjusting motor, the discharge pipe is fixedly arranged at the outlet end of the second dispersion cover, and the mounting cover is hermetically mounted at the outer end of the discharge pipe through a bolt. The flow channel of the heat exchange element is designed to be of a reducing structure with a thick inlet and a thin outlet, at the moment, a high-temperature section at the inlet position can fully exchange heat, but the heat of smoke entering a low-temperature section is not higher than that of the high-temperature section, the inner diameter of the outlet section can be reduced, the smoke flow is small at the moment, and therefore most smoke can be gathered in the low-temperature section, and full heat exchange of the low-temperature section can be achieved.

The invention provides a soft measurement method and system for flue gas flow of a coal-fired boiler, a medium and a program product, and relates to the technical field of electric digital data processing. Firstly, historical equipment operation data of a power plant distributed control system and a continuous emission monitoring system in a set time period are collected, and the historical equipment operation data cover boiler load, air volume and other information. And meanwhile, historical flue gas flow measured data at flue measuring points with different heights in the same set period are obtained. Secondly, determining a flue gas flow prediction model through machine learning by taking historical flue gas flow actual measurement data as dependent variables and historical equipment operation data as covariables; after current equipment operation data are obtained, the current equipment operation data are input into the model to obtain flue gas flow prediction data of different heights, and finally the prediction data are sent to a management end to be displayed, by implementing the method, the limitation of traditional single-point measurement can be broken through, and the flue gas flow condition in a flue can be comprehensively reflected.

The utility model discloses a circulating fluidized bed boiler furnace outlet horizontal flue ash removal device which comprises a furnace, a horizontal flue, a cyclone separator, a high-temperature superheater, a low-temperature superheater, a coal economizer and an ash removal device, one end of the ash removal device is arranged at the bottom of the horizontal flue, and the other end of the ash removal device is arranged at the lower end of the coal economizer. The ash removal device comprises a primary air pre-heater, a conveying air pipe, a conveying air branch pipe and an ash removal module, and the ash removal module is arranged at the bottom in the horizontal flue and comprises a main air pipe, a branch air pipe, a connecting rod and a small air cap. A small part of primary air is led to the bottom of the horizontal flue at the hearth outlet through the bypass pipeline of the primary air pre-heater and enters the ash removal device, accumulated ash accumulated at the horizontal flue at the hearth outlet is loosened and fluidized through the small air cap and then enters the cyclone separator along with flue gas, and therefore the purpose of removing the accumulated ash in the horizontal flue at the hearth outlet is achieved. After accumulated ash is cleaned, the smoke flow speed of a hearth outlet is reduced, and the efficiency of the boiler is improved.

The utility model belongs to the technical field of flue gas treatment and environmental protection, and particularly relates to a temperature control heat recovery type flue gas CO removal device which is characterized by comprising a flue gas standby heater, a flue gas pretreatment unit, a catalytic reaction unit, a solid waste recovery unit and a heat recovery temperature control system. A diffused gas induced draft fan is used as a power source, and smoke flows along the device from bottom to top and then is discharged to a chimney; the catalytic reaction unit comprises an upper bed layer and a lower bed layer, a first heat recovery layer is arranged behind the first catalytic bed layer, a second heat recovery layer is arranged behind the second catalytic bed layer, and each catalytic bed layer is filled with a plurality of layers of honeycomb type catalysts. The device has the beneficial effects that multi-layer catalysis, intelligent temperature control and no pollutant generation and leakage are realized, the configuration number and form of the catalytic beds can be flexibly adjusted according to the CO content in the flue gas, meanwhile, the reaction heat in the flue gas is further recycled, and finally, the cooperative treatment of pollution reduction and carbon removal is realized.

The utility model discloses an ammonia gas heating system capable of improving boiler efficiency. The ammonia gas heating system comprises a combustion boiler, an ammonia gas burner arranged in the combustion boiler, an air preheater communicated with a smoke outlet of the combustion boiler, and a dust remover, a desulfurizing absorption tower and a chimney which are sequentially communicated with the air preheater in the smoke flowing direction. The system further comprises at least one group of flue gas coolers, a closed circulating heat medium water system and an ammonia gas supply system; the multiple smoke coolers are arranged on the upstream of the chimney in a communicating mode and used for supplying heat to the heating medium water system. Ammonia gas supplied by the ammonia gas supply system is heated by the heating medium water system and then enters the ammonia gas combustor to be combusted. Considering that ammonia gas is dangerous, in order to avoid leakage of the ammonia gas, the heating medium water circulation system is arranged to serve as an energy transfer medium, the problems of pipeline corrosion and abrasion possibly caused by direct contact between an ammonia gas pipeline and flue gas are avoided, and therefore the problem of leakage of the ammonia gas is avoided. And the safety and reliability of the whole system are improved.

The invention relates to the technical field of baking, and discloses an oxygen-rich combustion heat radiation baking device which comprises a baking ladle, a ladle cover, a roaster and a flue gas circulation unit. The ladle cover covers the top opening of the baking ladle; a smoke outlet is formed in the ladle cover and is communicated with the interior of the baking ladle; the roaster comprises a heat radiation sleeve, and the heat radiation sleeve is fixed to the ladle cover, located in the roasting ladle and extends in the first direction; the first direction is a vertical direction; an air inlet of the smoke circulating unit is communicated with the smoke outlet, and an air outlet is communicated with the interior of the baking ladle; a combustion channel for fuel gas and oxygen is formed in the heat radiation sleeve, and smoke flows out of an outlet of the heat radiation sleeve, then sequentially flows through the interior of the baking ladle, the smoke outlet and the smoke circulation unit and enters the baking ladle again through the smoke circulation unit to circularly flow. According to the invention, the baking temperature can be quickly increased to the required level by only needing a small amount of fuel gas, the baking time is shortened, the heat utilization efficiency is improved, and zero emission of flue gas is realized.

The utility model discloses handheld high-negative-pressure dust removal equipment, which relates to the technical field of welding fume treatment and particularly comprises a device body, an air inlet end of the device body is connected with a welding fume flowing pipe, and the other end of the welding fume flowing pipe is connected with a welding gun of manual welding equipment through a dust collection suite. The other end of the welding fume flowing pipe is fixed on the body of a worker through a fixing structure; the dust collection suite comprises a main body, the main body is of a hollow structure, and a through hole is formed in one end of the main body. The handheld high-negative-pressure dust removal equipment is located at the front end of a welding gun and can effectively absorb harmful smoke dust generated in the welding process; the arms and the back or the waist of a worker are fixed, so that the weight borne by the hands of the worker during welding is effectively reduced, the labor intensity of the worker is reduced, and the production efficiency is improved; the dust collection suite connected with the welding gun is various in specification, can be matched with welding guns of different specifications and models in the market, and is wide in application range.

The invention relates to the technical field of anti-blocking of air preheaters, in particular to an anti-blocking device for a boiler air preheater, which comprises an air preheater and an air outlet hopper fixedly connected to the circumference of the bottom of the air preheater, and an air inlet hopper is fixedly connected to the top of the air preheater along the circumference. Preheating pipes are evenly and fixedly connected between the top and the bottom of the air preheater in a penetrating mode at intervals, a transverse plate is fixedly connected to the inner side of the air preheater, and the preheating pipes fixedly penetrate through the transverse plate. When flue gas is discharged into the preheating pipe, an electric heating wire is started, then an electric lead screw is started to rotate forwards and backwards alternately to drive an n-shaped plate to move up and down, the n-shaped plate drives a scraping plate to move up and down, and the scraping plate drives the electric heating wire to move up and down to heat the lower portion of the preheating pipe, so that the temperature of the preheating pipe is higher than the dew point of water vapor and acid gas in the flue gas; and meanwhile, dust attached to the outer wall of the preheating pipe is scraped away through a scraping plate, blockage caused by dust attached to the inner wall of the preheating pipe can be prevented through the heating effect of a spiral scraping plate and an electric heating wire, and therefore the smoke flowing efficiency is improved.

The invention discloses an experimental platform for testing the combustion behavior of a photovoltaic module. The experimental platform mainly comprises a photovoltaic fire simulation system, a smoke collection system, a spraying system, an ignition module and a monitoring system. The photovoltaic fire simulation system mainly comprises a fixing assembly, a building material, an adjustable support, an electric telescopic module and a photovoltaic sample and is used for accurately simulating a building photovoltaic system scene. The smoke collection system is used for increasing a smoke circulation path and filtering smoke; the spraying system is used for performing water spraying filtration on the smoke dust and purifying the filtered sewage; the ignition module is used for simulating ignition sources with different widths and fire source powers and igniting the photovoltaic sample; the monitoring system is used for monitoring the temperature distribution condition, the internal flow field distribution and the mass loss of the photovoltaic sample, the total mass of the filtered smoke and the temperature signal and the radiation heat flow distribution condition of the building material in real time, so that the combustion and spreading conditions of different types of building photovoltaic fire hazards are determined; and thoughts and references are provided for building photovoltaic fire prevention design.

The invention discloses adjustable flue gas desulfurization demisting equipment, and relates to the technical field of environmental protection engineering, the adjustable flue gas desulfurization demisting equipment comprises a demisting machine, the outer wall of the bottom end of the demisting machine is fixedly provided with a flue gas inlet pipe, the top of the demisting machine is fixedly provided with an exhaust passage, and the outer wall of the top end of the demisting machine is slidably provided with an outer pull box. When smoke flows on the surface of the flow guide plate, smoke dust in the smoke can be attached to the inner wall of the flow guide plate, a motor is started, the motor drives a rotating rod to rotate, the rotating rod drives an L-shaped fixing frame to rotate, the L-shaped fixing frame drives a sliding rod to rotate, the sliding rod drives a connecting block to rotate, the connecting block drives a scraping plate to rotate, and the scraping plate scrapes away the smoke dust on the surface of the flow guide plate. According to the demister, the surface of the guide plate is kept clean, possible obstruction of smoke dust accumulation on smoke flowing is prevented, continuous and efficient operation of the demister is ensured, and therefore the treatment efficiency and stability of the whole demister are improved.

The invention relates to the technical field of smoking equipment, and particularly discloses a smoking oven for smoked flavor products and a manufacturing process thereof, and the smoking oven comprises a box body, a bearing mechanism, a smoking mechanism and a dirt brushing mechanism. A water tank, a spray head, a bearing assembly and a dirt brushing assembly are arranged in the box body, the bearing assembly comprises a side support, a driving rotating roller and a driven rotating roller, and the dirt brushing assembly is used for cleaning the bearing assembly. The smoking mechanism generates smoke through the heating box, and the circulating fan enables the smoke to flow for smoking. The technical effects that the smoking efficiency is improved, the cleaning process is simplified, and the sanitary level is improved are achieved.

The invention relates to the technical field of fire monitoring, in particular to an intelligent fire monitoring and early warning method. A Gaussian distribution model is introduced to simulate the diffusion effect of a heat source, the adaptability of smoke flowing to airflow in a building is enhanced, limitation of a traditional smoke diffusion model is corrected and optimized according to local turbulence driven by differential pressure, especially the non-uniform airflow effect in areas such as narrow galleries and courtyards, and accurate monitoring and early warning of fire disasters are achieved. The expected speed and comfortable distance of the crowd are dynamically adjusted by combining light flow sensing with environment sensing (such as smoke concentration and temperature), and the problems of people flow and evacuation path optimization in a high-density scene can be effectively solved. Especially in a narrow space, interaction between crowds and obstacles can be fed back in real time, and secondary accidents caused by crowd density or high temperature and smoke influence are prevented.

The invention provides a heat recovery device of an air preheater, relates to the field of heat recovery of air preheaters, and aims to solve the problems of flue gas heat loss and insufficient heat recovery in the prior art. The device comprises an air preheater body, a flue gas filter, a fan, a preheating outer frame body, a heat preservation shell plate and the like. The air preheater body is provided with an air inlet pipe opening, an air outlet pipe opening and a heat exchange cavity, and a two-stage filter screen plate of the flue gas filter ensures that the flue gas is clean. The fan drives the spiral blades to make smoke flow spirally, and the circulation path is increased. A spiral liquid guide channel of the preheating outer frame body is communicated with a heat exchange pipeline, and heat exchange between water and smoke and heat exchange between the water and the smoke and the outer shell body are achieved through a booster pump. The heat preservation shell plate reduces heat loss. All the components work cooperatively, heat loss of the shell is effectively reduced, heat recovery efficiency is improved, and the heat exchanger is suitable for the fields of industrial boilers and the like and has remarkable energy-saving and environment-friendly significance.

The invention relates to the technical field of steam generators, in particular to a vertical steam generator evaporation structure which comprises an inner evaporation frame, a steam collecting box and two outer evaporation frames, the two outer evaporation frames are fixedly installed at the front end and the rear end of the inner evaporation frame respectively and communicate with the inner evaporation frame, and the steam collecting box is arranged in the inner evaporation frame. The evaporation inner frame comprises two energy-saving outer frames located on the outer side and a plurality of energy-saving inner frames arranged between the two energy-saving outer frames. Compared with the prior art, by means of the energy-saving outer frame and the energy-saving inner frame in the evaporation inner frame, a good smoke flow channel can be formed, waste heat of high-temperature smoke generated after combustion can be effectively utilized, the temperature of exhausted smoke is effectively reduced, fuel energy is saved, the evaporation amount of steam is greatly increased in a limited space, and the energy-saving effect is good. The steam output efficiency is improved, and the problem that the size of the steam generator is too large and too high due to the fact that the height of a traditional vertical steam generator needs to be increased can be solved.

The utility model relates to a methanol reforming hydrogen production system capable of performing temperature control through heat conduction oil, which comprises a reforming methanol source, a heating methanol source, a gas source, a heater, a primary evaporator, a secondary evaporator and a reformer, the reforming methanol source is sequentially connected with a primary vaporization side of the primary evaporator, a secondary overheating side of the secondary evaporator and a reforming side of the reformer through pipelines, and an output end of the reforming side is connected with a reforming gas tank; the heating methanol source and the gas source are sequentially connected with the burner end of the heater and the smoke flow channel end of the primary evaporator through pipelines, and the heated end of the heater, the reforming heat supply side of the reformer and the evaporation heat supply side of the secondary evaporator form a loop through a heat conduction oil pipeline. High-temperature-resistant oil liquid is adopted, and the temperature of the reformer is controlled through the high-temperature-resistant oil liquid. And under the same reaction condition, the gas-liquid heat exchange efficiency of the heat-conducting oil is higher, so that the temperature difference between the front part and the rear part of the reformer can be better controlled, and the reforming reaction is stably carried out.

The application belongs to the technical field of emergency management and control, and specifically discloses a flexible blocking device, which comprises a box body, a smoke forming unit is installed in the box body, and a light curtain belt forming unit is further installed on one side of the box body; the smoke forming unit comprises an air inlet cover, a fan and a smoke flow guide cover which are connected in sequence; the air inlet cover is provided with a smoke storage tank; the smoke flow guide cover comprises an upper flow guide cover and a lower flow guide cover, a flow guide grating surface is arranged on the smoke outlet of the flow guide cover, and the flow guide grating surface comprises a plurality of vertically and spaced flow guide gratings; flow guide columns are arranged in the upper flow guide cover and the lower flow guide cover, and the closed surfaces of the two flow guide columns form smoke outlet annular bands with the inner sides of the upper flow guide cover and the lower flow guide cover respectively; the light curtain belt forming unit comprises a mounting frame, a plurality of aspheric lenses and a plurality of LED light sources, the mounting frame is hollow, and the plurality of aspheric lenses and the plurality of LED light sources are arranged opposite to the two sides of the mounting frame respectively. The application can form a smoke curtain belt with uniform laminar flow, and can form a more eye-catching flexible blocking effect in combination with the light curtain belt.

The invention provides a digital twin emergency evacuation method and system for a highway tunnel. The method comprises the steps that S1, multi-source fire data of multiple positions in the tunnel are collected at fixed time intervals; s2, constructing a temperature field model, and calculating the thermal strain of each position based on the multi-source fire data; s3, constructing a structural field model, generating local stress of each position according to the thermal strain, then correcting temperature field model parameters by using the local stress, and then repeating the steps S2 to S3 until the local stress does not change any more; s4, constructing a smoke flow field model, calculating the fire source power of each position according to the multi-source fire data, and calculating the smoke flow diffusion rate of each position by using the smoke flow field model according to the fire source power; and S5, generating an optimal personnel evacuation scheme according to the smoke flow diffusion rate and the local stress of each position. According to the method, the problems that in the prior art, prediction of the fire development situation by using a static model is inaccurate, and accurate support cannot be provided for emergency decision making are solved.

The invention discloses a limestone desulfurization wastewater treatment method, which is based on a conventional desulfurization wastewater high-temperature evaporation treatment process, high-temperature flue gas is divided into two flue gas streams, and one flue gas stream is subjected to dust removal and compression and then is merged into a desulfurization wastewater inlet pipe, so that the initial temperature of the desulfurization wastewater entering an evaporation tower is increased, and the desulfurization wastewater can be recycled. And for the other stream of smoke flow, under the synergistic effect of a smoke diffusion mechanism and a flow guide structure in the evaporation tower, the other stream of smoke flow is conveyed downwards to different positions and then reversely flows upwards to be in contact with the fog drops, so that not only is the conveying and diffusion direction of the smoke flow controlled, but also the heat medium is effectively transferred; according to the device, efficient dispersion contact of flue gas and fog drops is achieved, the evaporation effect is improved, downward fog drops which do not fully react are evaporated, in addition, multiple sets of rotating heat transfer scrapers are matched, on one hand, the flue gas and the fog drops which are in up-down countercurrent contact are rotationally stirred, and on the other hand, crystals are scraped.

The static smoke removal structure comprises a smoke removal shell, a moxa smoke channel is fixed to the smoke removal shell, the lower end of the moxa smoke channel is used for covering the upper end of a moxa combustion chamber, the moxa smoke channel is provided with a conical smoke removal section, the inner diameter of the conical smoke removal section is gradually decreased from bottom to top, and a static adsorption structure is arranged in the conical smoke removal section. A smoke flowing space for moxa smoke to pass through from bottom to top is formed on the periphery of the electrostatic adsorption structure, and a moxa smoke filtering layer is arranged at the upper end of the moxa smoke channel. The utility model provides an unpowered static smoke removal structure for removing moxa smoke and a moxibustion device using the static smoke removal structure.

The utility model discloses an electronic cigarette. The electronic cigarette comprises a cigarette rod and a cigarette cartridge. The cigarette rod comprises a shell. A water flow channel and a smoke oil flow channel are formed in the shell. The connecting end of the shell is provided with a first connecting hole, a second connecting hole and a confluence hole. The first connecting hole communicates with one end of the water flow channel. The second connecting hole is communicated to one end of the tobacco oil flow channel. The confluence hole is communicated with the other end of the water flow channel and the other end of the smoke oil flow channel. The cartridge is connected to the connection end of the housing. The smoke cartridge comprises mutually independent water containing cavities. A tobacco tar containing cavity and a smoke flow channel. The water containing cavity is communicated with the first connecting hole. The tobacco tar containing cavity is communicated with the second connecting hole. The smoke flow channel is communicated with the confluence hole. And the water flow channel and the smoke oil flow channel are Tesla valve channels which are reversely arranged in the direction close to the confluence hole. According to the smoke cartridge, the resistance of liquid in the smoke cartridge flowing to the confluence hole can be increased, so that the liquid in the smoke cartridge is effectively prevented from flowing out due to shaking.

The utility model provides a combined heat and power generation waste heat recovery device which comprises a waste heat recovery device body, the waste heat recovery device body comprises a recovery channel, a water injection assembly and a medium conveying assembly, and a combined heat and power generation smoke input pipeline is arranged at the front end of the recovery channel. The other end of the recycling channel is connected with a combined heat and power generation smoke discharging pipeline, a water injection assembly is arranged at one end of the top of the recycling channel, and the interior of the recycling channel communicates with the interior of a medium conveying assembly; according to the combined heat and power generation waste heat recovery device, the fluid channel, the smoke flow guide interlayer and the air channel are arranged in the recovery channel, high-temperature smoke flows in the flat smoke flow guide interlayer, the heat exchange area is enlarged, the waste heat recovery efficiency is improved, and the heat utilization effect is improved; and two different heat recovery media are provided, the heat preservation effect of hot water generated after heat recovery is enhanced, and heat loss is reduced.

The utility model discloses a smoking machine suitable for smoking food materials. The smoking machine comprises a smoking furnace, a smoke generator and a circulating fan assembly, the smoking furnace comprises an outer box shell and a smoking chamber; the smoke generator comprises a smoke shell and a smoke hanging box; the fuming hanging box is detachably mounted in the fuming shell; the circulating fan assembly is arranged at the top of the smoking chamber and can form circulating airflow and suck smoke in the smoking chamber back to the smoking chamber. According to the utility model, the circulating fan assembly is arranged at the top of the smoking chamber, circulating airflow can be formed between the smoking chamber and the smoke generator, and the flowing efficiency of smoke in the smoking chamber is accelerated, so that on one hand, the smoke can be better and uniformly covered on the outer surface of food, and under the working condition that the smoke flows quickly, the smoking concentrations of upper and lower smoking areas are close to each other; the smoking effect of the food materials is more uniform; on the other hand, due to the accelerated flowing of the smoke, the smoking and pickling efficiency can be improved, and the processing and cooking efficiency of the food materials is improved.