2288 results about "Coke" patented technology

The invention relates to the technical field of data processing, and discloses a carbon emission accounting and evaluation method and system for the coking industry. The method comprises the following steps: collecting coal coke data through analysis equipment to establish a parameter library; measuring the carbon content of the material to form a material table; analyzing the gas flow direction and drawing a carbon element flow diagram; generating an intensity distribution table in combination with the emission data; comparing actual and theoretical emission identification key points; and generating an emission reduction scheme based on a key point regulation and control process. According to the method, the key points of the carbon emission are accurately identified, and a targeted emission reduction technical scheme is provided based on correlation analysis of the process parameters and the carbon emission, so that fine management and effective emission reduction of the carbon emission of coking enterprises are realized.

The invention provides a manganese-silicon alloy and a production method thereof, and the production method comprises the following steps: respectively crushing a manganese-containing material, silica and coke in proportion, mixing with a dephosphorizing agent, adding a binder and a proper amount of water to prepare a premix, pressing the premix into smelted pellets, and drying; the dried smelting pellets are put into a closed electric furnace to be smelted, and alloy melt is obtained; transferring the alloy melt into a steel ladle, and blowing magnesium powder for desulfurization; the desulfurized alloy melt is subjected to slagging-off, and manganese-silicon alloy molten iron is obtained; and the manganese-silicon alloy molten iron is poured into a mold for ingot casting, and a manganese-silicon alloy finished product is obtained after cooling. According to the method, the raw materials such as the manganese material, the silica, the coke and the dephosphorizing agent are crushed respectively and then mixed, briquetted and smelted, so that the dephosphorizing and desulfurizing effects can be improved, and sulfur in the alloy can be further removed by spraying magnesium powder outside the furnace for desulfurization, so that the quality of the manganese-silicon alloy is improved.

The invention belongs to the technical field of dry quenching, and provides a dry quenching boiler inlet temperature prediction method based on a DeepSeek large model. According to the method, the inlet temperature T6 of the coke dry quenching boiler is predicted by using the data, namely the process variable, changed in real time in the coke dry quenching process; the key control variable is a manually controlled variable, the change of the process variable is controlled / adjusted by changing the key control variable, and automatic control is realized by utilizing a prediction-control joint optimization method and by means of reinforcement learning. According to the prediction method provided by the invention, a complex nonlinear relationship and interaction among multiple variables can be captured, and strong coupling and nonlinear influence among multiple process parameters in the dry quenching process can be processed; through fine tuning on a large amount of historical data, the method can automatically learn and adapt to different working conditions, reduces the dependence on artificial feature engineering, and improves the generalization capability and prediction performance of the model.

Industrial cars for holding high-temperature materials, such as flat push hot cars for transporting hot coke and deposits, and associated systems and methods are disclosed herein. In some embodiments, an industrial car can include an at least partially enclosed hot box with a base and sidewalls, and one or more of the base or sidewalls can be covered by surface plates. The surface plates can be arranged in a floating configuration with gaps therebetween, such that the surface plates can move relative to one another and thermally expand without exerting excessive compressive force against adjacent surface plates. In some embodiments, the hot box can also include a roof with a first non-curved member and a second non-curved member abutting the first non-curved member. In some embodiments, the industrial car can include one or more emission ducts to remove dust and exhaust from within and around the industrial car.

The invention discloses an intelligent agent spraying decoking system for energy-saving decoking of a hearth, and relates to the technical field of decoking of industrial boilers, the intelligent agent spraying decoking system comprises a sensing module used for collecting coke scale characteristic data, and the data comprises the temperature, thickness, component distribution and adhesion strength of coke scale; the module is combined with a temperature sensor, a component analyzer and image detection equipment for cooperative work, and multi-dimensional scorch scale characteristic information is obtained in real time. According to the intelligent agent spraying decoking system for hearth energy saving and decoking, through cooperative use of the sensing module, the control module, the agent storage module, the agent spraying module and the feedback module, intelligent and accurate decoking is achieved, the diversity of coke scales can be effectively dealt with, the heat efficiency of a boiler is improved, the energy cost is reduced, and the safety problem caused by the coke scales can be prevented; the problems that a traditional decoking method is low in efficiency, poor in applicability and insufficient in adaptability to coke scale types are solved.

The invention discloses an automatic control method for the air introduction amount of a dry quenching furnace, and relates to the technical field of dry quenching, and the method comprises the following steps: collecting CO and H concentration distribution data and dust concentration gradient data in an annular flue of the dry quenching furnace, and boiler inlet temperature and circulating gas flow in real time; establishing a multi-parameter coupled dynamic prediction model, and predicting coke burn-out rates and boiler thermal efficiency under different air introduction amounts; an optimal air introduction amount threshold value is calculated through a model prediction control algorithm; on the basis of the optimal air introduction amount threshold value, the opening degree of an electric valve of an air introduction pipe is dynamically adjusted, meanwhile, displacement compensation of a servo mechanism at the position of an introduction opening in the annular flue is triggered, and an introduction point is made to be located in the optimization interval of the CO concentration, the Hconcentration and the dust concentration all the time; and a self-adaptive correction module is established, when it is detected that coke maturity is abnormal and coke discharge temperature fluctuation is abnormal, a compensation control mode based on deep reinforcement learning is automatically switched, and dynamic prediction model parameters are updated.

The embodiment of the invention discloses an intelligent energy consumption regulation and control steel smelting system based on multi-energy complementation, and the system comprises a multi-energy complementation energy supply system which is used for integrating various energy forms, forming a dynamic cooperative energy supply network, and carrying out the energy cooperative operation according to an energy priority strategy and a dynamic matching mechanism; the intelligent regulation and control platform adopts a three-layer framework of'perception-decision-execution 'to coordinate energy flow and process operation between the multi-energy complementary energy supply system and the multi-energy coupling process equipment; the multi-energy coupling process equipment comprises hydrogen-based direct reduction ironmaking equipment, and hydrogen is used for replacing traditional coke to serve as a reducing agent for ironmaking; comprehensive energy supply monitoring and optimization can be carried out on the steel smelting process, various renewable energy sources are combined, and the problems that a single renewable energy source is intermittent, depends on a power grid and the like are effectively solved; meanwhile, the multi-energy complementary hydrogen storage process is coupled with the hydrogen metallurgy process, and the multi-energy cooperation problems of whole-process green power supply, waste heat utilization and the like are solved.

The invention discloses a sintering method using solid waste activated carbon powder. The sintering method comprises the following steps: preparing a mixture A and a mixture B; spraying quicklime digestion liquid to the surface of the solid waste activated carbon powder, and granulating to form an activated carbon powder inner core; taking the activated carbon powder inner core as a pelletizing core, pelletizing by utilizing the mixture A to form a pellet inner core A, and pelletizing by utilizing the mixture B to form an activated carbon powder pretreated pellet; preparing an upper-layer sintering mixture and a lower-layer sintering mixture; the lower-layer sintering mixture is added to a sintering trolley to be sintered; and when the sintering pallet runs to 1 / 5-1 / 3 of the total length of the sintering machine, the upper sintering mixture is distributed and added to the surface of the formed sinter layer for sintering. The problems that the combustion characteristics of the solid waste activated carbon powder and the coke powder are not matched and the solid waste activated carbon powder is high in sulfur and nitrogen impurity content to affect the sinter quality are solved, the problems that due to sintering of a thick bed, the permeability of the bed is reduced, the bottom sinter is over-melted and the sinter quality is uneven are solved, and the metallurgical performance index of the sinter is improved.

The utility model relates to dragging type environment-friendly quantitative coke loading equipment which comprises a steel structure frame, and the steel structure frame is sequentially provided with a machine head of a belt conveyor, a stock bin, a material cutting and discharging radial gate, a telescopic chute and a swing anti-breaking gate from top to bottom, and a material cutting gate is arranged at the tail end of a gate plate of the swing anti-breaking gate. A closed dust cover with a dust removal device is arranged on the lower portion of the steel structure frame, an automatic vehicle inlet door and an automatic vehicle outlet door are arranged at the two ends of the closed dust cover, and a vehicle dragging device and a weighbridge are sequentially arranged on the ground in the closed dust cover from top to bottom. Aiming at the characteristics that coke is fragile and poor in mobility, a weighing bin is omitted, and a terrace capable of dragging a vehicle to move is adopted for weighing. The arc-shaped gate for controlling coke to fall is arranged between the telescopic chute and the storage bin, the inclined gate is arranged at the outlet of the telescopic chute, and the stop gate is arranged at the tail end of the inclined plate of the inclined gate, so that coke breakage is reduced. And meanwhile, a fence and dust collection equipment are arranged to protect the environment.

The utility model discloses a jacket heat preservation flame arrester for high-oxygen VOCs (volatile organic compounds) to enter dry quenching, which belongs to the technical field of flame arresters and comprises two valve bodies respectively communicated with a gas pipeline for the VOCs to enter the dry quenching and a flame arresting screen arranged between the two valve bodies, a jacket capable of introducing steam to preserve heat is arranged between the two valve bodies, and the two valve bodies are communicated with a gas pipeline for the VOCs to enter the dry quenching. The jacket is arranged on the outer side of the fire-retardant screen; a jacket inlet communicated with a steam pipeline is formed in one side of the jacket, and a jacket outlet communicated with a drain pipeline is formed in the other side of the jacket. According to the utility model, the temperature around the fire-retardant screen can be ensured not to be lower than the crystallization temperature of naphthalene gas, so that the naphthalene gas in VOCs gas can smoothly pass through the fire arrester and then enters dry quenching for incineration, and the VOCs are really discharged without external emission.

The invention discloses a method for melting and smelting ferrochrome in an all-oxygen hydrogen-rich low-carbon furnace, which comprises the following steps: (1) proportioning and uniformly mixing chromite pellets, coke and lime according to the mass ratio of 1: (0.15-0.2): (0.08-0.15), and filling the mixture into the all-oxygen hydrogen-rich low-carbon furnace; (2) high-temperature hydrogen-rich gas at the temperature of 900-1100 DEG C is introduced into the middle of the furnace body, and selective reduction of ferrochrome oxide is achieved; blowing industrial pure oxygen at the lower part of the furnace body, combusting with coke to generate CO, and driving a secondary reduction reaction; (3) maintaining a high-temperature environment in the furnace through oxygen-fuel combustion to completely melt the materials into molten iron, and carrying out central stirring on the molten iron to form a vortex with the height-diameter ratio of 0.5-1.5; and (4) discharging the molten iron after the reaction is completed. According to the method, the reduction rate of chromium in the chromite exceeds 92%, the carbon emission is reduced by 40% or above compared with a traditional blast furnace and submerged arc furnace process, meanwhile, the method has the advantages of being high in smelting efficiency, low in energy consumption, stable in product quality and the like, and a low-carbon and efficient innovative path is provided for ferrochrome smelting.

The invention provides titanium-containing anhydrous stemming for a blast furnace and a preparation method of the titanium-containing anhydrous stemming, and belongs to the technical field of refractory materials for the blast furnace. The titanium-containing anhydrous stemming for the blast furnace comprises the following raw materials: 40-60 parts of titanium corundum, 5-15 parts of silicon carbide, 10-20 parts of ferro-silicon nitride fine powder, 5-15 parts of titanium dioxide fine powder, 5-15 parts of vanadium-titanium slag fine powder, 5-10 parts of coke fine powder, 1-5 parts of monatomic silicon fine powder, 1-5 parts of ball clay micro powder, 1-5 parts of aluminum nitrate micro powder and 1-2 parts of magnesium alon micro powder. Gas-phase substances of Si (g), Al (g) and Mg (g) can be formed in the stemming at high temperature by the monatomic silicon fine powder and the MgAlON micro powder in the raw materials and react with CO and N2 in the environment to generate ceramic whiskers such as SiC, Si3N4, AlN and MgAl2O4, and the generated ceramic whiskers are distributed in a staggered manner and are filled in pores of the stemming, so that the high-temperature strength and the volume stability of the stemming are remarkably improved.

The invention relates to a coking coal blending method for blending ultrahigh vitrinite coking coal. The method comprises the following steps: 1) determining the average maximum reflectivity of vitrinite and drawing a reflectivity distribution diagram; 2) quantitative analysis of coal rock macerals; (3) coal rock coal blending parameters are calculated; (4) regulating and controlling coal type screening; 5) coal blending and coking experiment; (6) inspecting the coal blending effect; and 7) industrial production verification. According to the method, coal rock analysis and coke microscopic analysis means are combined, the coking compatibility of the ultra-high vitrinite coking coal is accurately judged, and the high-strength coke is prepared on the basis; the source of the coking coal is expanded, and the coking cost is reduced.

The invention discloses a cyclone separation and moving particle bed coupled pulverized coal pyrolysis oil gas high-temperature dust removal system, and belongs to the technical field of coal clean utilization. The system comprises a cyclone separator, a fine filtration unit, a filter material cyclic regeneration unit and an intelligent control unit, the fine filtration unit comprises a particle bed, a particle bin is arranged at the top end of the particle bed, and a composite filter material layer is arranged on the particle bed; a dust-containing high-temperature oil gas pipeline and a pretreatment high-temperature oil gas pipeline are arranged at the top end of the cyclone separator, dust-containing high-temperature oil gas is introduced into the cyclone separator through the dust-containing high-temperature oil gas pipeline to be pretreated, and the pretreated dust-containing high-temperature oil gas is introduced into the particle bed through the pretreatment high-temperature oil gas pipeline to be finely filtered; and a coke breeze discharge pipe is arranged at the bottom of the cyclone separator. The invention is used for solving the technical problem of low gas-solid separation efficiency at high temperature caused by the adoption of a single filter material in the existing pulverized coal dust removal system.

A coke product configured to be used in foundry cupolas to melt iron and produce cast iron products is disclosed herein. In some embodiments, the coke product has a Coke Reactivity Index (CRI) of at least 30% and an ash fusion temperature (A FT) less than 1316° C. Additionally or alternatively, the coke product can comprise a fixed carbon content of at least 80% and / or a volatile matter content of no more than 1.0%.

The invention relates to the technical field of submerged arc furnace power supply systems, and provides an industrial iron smelting detection method based on a direct-current submerged arc furnace, which comprises the following steps of: constructing an electric thermal field chemical reaction dynamic model, integrating electric field, thermal field, chemical and mechanical full-dimensional data, and analyzing a multi-physical field coupling state in the furnace in real time; real-time working conditions and historical data are matched through a dynamic time warping algorithm, optimal power supply parameters are screened, and causes such as insufficient coke activity are positioned; and a digital twin simulation verification optimization scheme is utilized to realize millisecond-level adaptive control. The equipment reliability is improved through edge calculation and a safety interlocking mechanism, the limitation of artificial experience is broken through, and an efficient and accurate intelligent control solution is provided for power supply of the direct current submerged arc furnace.

The utility model relates to a limit protection device of a dry quenching elevator, which belongs to the technical field of coking dry quenching equipment and is used for protecting the limit of the dry quenching elevator. According to the technical scheme, a base is a rectangular plate, a fixing support is perpendicularly welded to the plate face of the base, an adjusting movable plate is connected with the fixing support through an adjusting fastening bolt, a limiting fixing plate is perpendicularly welded to the front end of the adjusting movable plate, and a U-shaped limiting plate is fixed to the plate face of the limiting fixing plate through a limiting fixing bolt; the two upper limiting guide plates and the two lower limiting guide plates are located on the two sides of the U-shaped limiting device respectively and are perpendicularly connected with the plate face of the limiting fixing plate in a welded mode respectively, and the upper limiting guide plates and the lower limiting guide plates on the two sides of the U-shaped limiting device respectively form two V-shaped guide grooves. The elevator limiting device is simple in structure and reliable in work, the elevator can be protected from being damaged due to the fact that the elevator is scratched by the running elevator, safety and equipment hidden dangers are effectively eliminated, and normal running of the elevator is guaranteed.

Industrial cars for holding high-temperature materials, such as flat push hot cars for transporting hot coke and deposits, and associated systems and methods are disclosed herein. In some embodiments, an industrial car can include an at least partially enclosed hot box with a base and sidewalls, and one or more of the base or sidewalls can be covered by surface plates. The surface plates can be arranged in a floating configuration with gaps therebetween, such that the surface plates can move relative to one another and thermally expand without exerting excessive compressive force against adjacent surface plates. In some embodiments, the hot box can also include a roof with a first non-curved member and a second non-curved member abutting the first non-curved member. In some embodiments, the industrial car can include one or more emission ducts to remove dust and exhaust from within and around the industrial car.

The invention discloses a high-carbon ferro-chrome smelting control method based on a submerged arc furnace, and relates to the field of high-carbon ferro-chrome smelting control, and the high-carbon ferro-chrome smelting control method comprises the following steps: constructing a three-dimensional temperature measurement network, generating temperature field distribution in the furnace based on three-dimensional space coordinates of all temperature measurement points, and further extracting boundary position coordinates and volume change trend of a molten pool; the method comprises the following steps: performing matching degree calculation on an electrode position impedance gradient curve and a molten pool boundary change trend to diagnose the structural stability of a crucible area, calculating the partial pressure ratio of key components based on hearth pressure, and comprehensively diagnosing the overall health state grade of the furnace condition in the furnace in combination with the structural stability state of the crucible area in the furnace; according to the diagnosed overall health state grade of the furnace condition, the proportion of the chromium ore, the coke and the flux is dynamically adjusted, accurate sensing of the multi-dimensional state in the furnace and grading diagnosis of the furnace condition are achieved, the problems of insufficient reduction of raw materials, waste of the chromium ore and the like can be avoided in time, and the product purity and the smelting stability are guaranteed.

The invention belongs to the technical field of alloy smelting, and particularly relates to a method for producing high-carbon ferro-chrome by using coal instead of a traditional reducing agent in an ultrahigh proportion, and the method for producing the high-carbon ferro-chrome comprises the following steps: pretreating chromium ore to obtain a chromium raw material, and mixing silica and lime to obtain a solvent; mixing a chromium raw material, a reducing agent and a solvent to obtain a furnace charge; charging the furnace charge into a submerged arc furnace, starting the furnace by using an arc striking electrode, and rapidly starting arc and heating to promote the furnace charge to be preliminarily melted; and after the furnace burden is molten, the temperature in the furnace is maintained to be 1700-1800 K, and the reaction time is 2-3 h. According to the method, the reducing agent is prepared from the high-proportion low-phosphorus and low-sulfur carbonaceous components, the smelting temperature and the content of SiO2 in the slag are regulated and controlled, the content of Cr and the content of C in the high-carbon ferrochrome can be effectively increased, the use amount of the coke reducing agent is greatly reduced, and the problems that in the prior art, the cost of the coke reducing agent is high, and the reducibility is low are solved.

The utility model relates to a dry quenching primary dust remover structure which is characterized in that a layered dust removal device is arranged in a dust remover body and consists of parallel interlayers, small interlayer ash hoppers and interlayer ash discharge channels; an inlet dust removal channel is arranged between the dust remover inlet and the dust remover ash hopper, and an outlet dust removal channel is arranged between the dust remover ash hopper and the dust remover outlet; the parallel interlayer divides the inlet dedusting channel and the outlet dedusting channel into an upper layer and a lower layer; the middle part of the parallel interlayer is connected with an interlayer ash discharge channel through an interlayer small ash hopper; a bottom outlet of the interlayer ash discharge channel is communicated with an ash discharge port of the dust remover; according to the utility model, the dust removal efficiency of the primary dust remover is improved, and meanwhile, the dust removal convenience is ensured.

The invention belongs to the technical field of dry pulverized coal gasifiers, and discloses an experimental method for CaO to catalyze high-temperature coke high-pressure gasification reaction under different atmospheres, which comprises the following specific steps: step 1, preparing experimental raw materials and pretreating to select representative coal types; the diffusion environment of the industrial gasifier is simulated by establishing a cooperative regulation and control mechanism of pressure, gas velocity and pore structure, the thickness of a boundary layer is calculated according to the Fick diffusion law, a diffusion resistance quantitative relational expression is constructed for dynamic correction, and a variable diffusion strength experimental group is designed to quantify diffusion contribution. The diffusion and reaction rate ratio is quantitatively evaluated through a Weber number model, a catalysis and blank control synchronous experiment is carried out at the same time, a catalysis efficiency factor is calculated, a catalysis-diffusion synergistic phase diagram is drawn, and a reaction control region, a diffusion control region and a transition region are definitely defined; and the risk that the reaction stagnation caused by the fact that the high-pressure diffusion retardation effect is misjudged as catalytic activity attenuation or pore collapse is mistakenly attributed to catalyst deactivation is eliminated.

The invention relates to the technical field of steel sintering processes, in particular to a biomass gasification coupling system for a steel sintering process, which comprises a biomass gasification system, a circular cooler waste heat utilization system and a waste heat power generation system, the biomass gasification system comprises a biomass drying system, a raw material conveying belt system, a biomass gasification furnace, a biomass gas heat insulation combustion chamber, a sintered coke powder preparation system and a biomass gas purification system, and the biomass drying system is used for drying biomass raw materials; and the dried biomass raw materials are conveyed to the biomass gasification furnace through the raw material conveying belt system. According to the coupling system for biomass gasification for the steel sintering process and the control method, biomass serves as zero-carbon energy, and biomass charcoal obtained after biomass gasification can replace part of solid fuel to achieve the carbon reduction effect. Meanwhile, the biomass gasified gas can replace a part of coal gas, and the carbon reduction effect can also be achieved.

The invention discloses a method for preparing sintered ore based on solid waste activated carbon powder. The method comprises the steps that the solid waste activated carbon powder is divided into a part A and a part B; the method comprises the following steps: spraying quicklime digestion liquid to the surface of solid waste activated carbon powder A, and then performing pre-granulation by taking the solid waste activated carbon powder A sprayed with the quicklime digestion liquid as a pelletizing core and taking blast furnace return mine fine ground powder as adhesive powder to obtain pretreated activated carbon powder A; an ammonia additive is sprayed to the surface of the solid waste activated carbon powder B, then the solid waste activated carbon powder B sprayed with the ammonia additive serves as a pelletizing core, blast furnace return mine fine ground powder and coal pitch fine ground powder serve as adhesive powder, a binder is added, pre-granulation is conducted, and pretreated activated carbon powder B is obtained; mixing the pretreated activated carbon powder A with coke powder to obtain sintering fuel, and then uniformly mixing the sintering fuel with sintering production raw materials to obtain a sintered material A; granulating the sintered material A, and adding the pretreated activated carbon powder B to prepare a sintered mixture; and the sintering mixture is distributed on a sintering trolley, ignition is carried out, air draft sintering is carried out, and finished sinter is obtained.

The invention relates to a feed coal preheating and drying and semicoke cooling coupled low-rank coal pyrolysis system and method. The low-rank coal pyrolysis system comprises a low-rank coal pyrolysis device, an air fan, an air secondary heat supplementing device and a cyclone dust collector, the low-rank coal pyrolysis device is sequentially provided with a coal direct drying section, a low-temperature pyrolysis section, a medium-high-temperature pyrolysis section and a semicoke indirect cooling section from top to bottom; the lower part of the semicoke indirect cooling section is provided with an air inlet, and the upper part is provided with a hot air outlet which is connected with the hot air inlet of the coal direct drying section through a hot air pipeline; and the hot air pipeline is provided with an air secondary heat supplementing device. In the feed coal drying and semicoke cooling process, air is adopted as carrier gas for heat exchange, sufficient recovery of semicoke heat is achieved, the recovered heat is used for drying and preheating the feed coal, and comprehensive utilization of the heat is achieved; the process characteristics of coal drying preheating, pyrolysis and semicoke cooling are fully considered, an economical and reasonable heat exchange form is adopted, the process is simple, the heat recovery efficiency is high, and the productivity of the pyrolysis device is high.

The invention provides a comprehensive evaluation method, system and device based on single coke quality and mixed coke use and a readable storage medium, and the method comprises the steps: constructing a multi-layer progressive evaluation system from single coke quality evaluation to mixed coke performance prediction, and then to economical efficiency dynamic optimization; performing quantitative evaluation on the quality of the single coke through the basic evaluation layer to obtain a quality index; predicting a synergistic effect of various coke proportions through the mixing performance layer, and determining a mixing performance index; performing cost analysis on the proportioning scheme by combining an economic evaluation layer with price fluctuation to obtain a cost performance index; and a plurality of matching schemes are generated through the dynamic optimization layer, and an optimal solution meeting balance of quality, performance and cost is output.

The utility model relates to an air supplement structure of a dry quenching primary cyclone dust collector, which comprises a primary dust collector and a central pipe, the central pipe is arranged at the center of the upper part of the primary dust collector, a circulating gas inlet of the primary dust collector is connected with a dry quenching furnace, and the bottom of the central pipe is communicated with an inner cavity of the primary dust collector; a circulating gas outlet in the upper end of the central pipe is connected with the waste heat boiler, a gas circulation channel is formed in the pipe wall of the central pipe, an air inlet is formed in the upper end of the gas circulation channel in the pipe wall of the central pipe, and an air outlet is formed in the lower end of the gas circulation channel in the pipe wall of the central pipe towards the interior of the central pipe. And the air leading-in outlet is an outlet which is vertically inward in the radial direction. According to the utility model, an air introduction mode is provided, burning loss of combustible gas components in circulating gas and a small amount (10%-20%) of residual fine coke powder in dust removal in the central pipe of the dust remover is realized, burning loss of most (80%-90%) removed coke powder is avoided, carbon burning loss in a carbon melting reaction is reduced, and carbon emission reduction is realized.

The invention relates to the technical field of intelligent control, in particular to a coke pushing process environment dust removal system air volume intelligent energy-saving regulation and control system and method, and the system comprises a process signal module, an image sensing module, a dynamic infrared module, a real-time flue gas analysis module and a dust removal air volume control module. In the invention, the air volume regulation of the dust removal equipment is not a fixed and extensive mode any more, but is converted into a four-gear variable-speed intelligent response matched with the actual smoke dust load, the dust removal equipment runs at a low-energy-consumption gear when the smoke dust generates initial stage or light pollution, and the air volume is gradually increased along with the rising of the smoke dust load, so that the dust removal efficiency is improved. When large-scale smoke dust leakage caused by equipment faults or extreme working conditions is monitored, the highest-gear full-force trapping is immediately started, the treatment effect is ensured, and the regulation and control according to needs not only improves the smoke dust trapping efficiency and effectively restrains unorganized emission, but also reduces the operation energy consumption of a dust removal system, and realizes double improvement of environmental protection benefits and economic benefits.

The invention provides a bituminous coal caking index full-process detection system based on a mechanical arm and a use method thereof, which can realize the operation of the whole bituminous coal caking index detection process from blanking weighing to crucible testing and then cleaning and recycling through the mechanical arm, and can liberate laboratory technicians from a tedious, monotonous and harmful working environment. And intelligent, unmanned, specialized, technical and standardized caking index detection and inspection service is realized. The system comprises a blanking weighing module used for placing quantitative samples into a crucible; the bonding pre-treatment and post-treatment module is used for treating samples before and after coking; the high-temperature furnace module is used for performing high-temperature coking treatment on the sample; the mechanical arm is used for clamping a crucible or a crucible holder and circulating among the blanking weighing module, the bonding pretreatment and aftertreatment module, the high-temperature furnace module, the bonding rotary drum tester module, the cooling module and the cleaning module.

The invention discloses a supercritical carbon dioxide energy storage and industrial complementary energy coupling circulation system and a control method, and relates to the technical field of energy storage. The waste heat recovery system performs countercurrent heat exchange with carbon dioxide by using high-temperature flue gas generated by combustion of high / coke / converter gas; and the residual cold recovery system uses condensed water of the power plant for cooling carbon dioxide in each link. The compressed carbon dioxide energy storage system compresses and stores carbon dioxide in a high-pressure storage tank. In the compressed carbon dioxide power generation system, high-pressure carbon dioxide is preheated and heated to drive a high-pressure expansion machine to do work and generate power, the carbon dioxide after doing work is heated to drive a low-pressure expansion machine to do work and generate power, and finally the carbon dioxide is cooled, condensed and liquefied through a cooler and a condenser and then returns to a low-pressure storage tank. According to the system, industrial complementary energy is efficiently utilized, stable energy storage and release are achieved, and the energy utilization efficiency is improved. The problem that defects exist in the aspects of industrial gas efficient utilization and energy storage coupling in the prior art is solved.