6685 results about "Kiln" patented technology

The invention relates to the technical field of coal gangue, in particular to a process for preparing high-strength lightweight aggregate from high-calorific-value coal gangue, which comprises a drying link, a pyrolysis link, a decarburization link, a sintering link and a cooling link, and is characterized in that wet coal gangue pellets are sequentially subjected to drying, pyrolysis, decarburization and cooling to obtain water-retaining ceramsite; sequentially drying, pyrolyzing, decarbonizing, sintering and cooling the wet coal gangue pellets to obtain the high-strength ceramsite. High-temperature hot air of the cooling link is introduced into the sintering link, low-temperature hot air of the cooling link is introduced into the decarburization link, and tail gas of each link serves as high-temperature flue gas to be recycled towards the front link, so that the overall energy consumption of a process production line is reduced; in the pyrolysis link, gas separated out of the coal gangue is collected and serves as fuel to be introduced into the sintering kiln, so that the whole production line does not need additional energy input, in addition, the carbon content in the ceramsite is effectively reduced through pyrolysis and decarburization, and the product quality is improved.

The invention relates to the technical field of kiln temperature control. The kiln temperature consistency control method comprises the steps that kiln internal environment information is input into a temperature change prediction model, temperature fluctuation trend information is obtained, kiln temperature control optimization parameters are generated according to the temperature fluctuation trend information, and the kiln temperature consistency is controlled according to the kiln temperature control optimization parameters. The current operation parameter is kept if the adjusted environment information conforms to a kiln temperature control target value, and the adjusted environment information is input into the temperature change prediction model again if the adjusted environment information does not conform to the kiln temperature control target value to generate a new kiln temperature control optimization parameter. And on the basis of the new kiln temperature control optimization parameter, the operation parameter in the kiln is adjusted again until the adjusted environment information accords with the kiln temperature control target value. The method has the effect of ensuring the consistency of the internal temperature of the kiln.

The invention discloses a big data prediction model intelligent ammonia spraying control method and system suitable for kiln flue gas denitration. According to the ammonia spraying control method, historical and real-time data of multiple parameters such as the fuel gas flow of the glass kiln are collected firstly, the NOx amount is predicted through modeling of the LSTM-GRU hybrid neural network, the ammonia spraying amount is calculated through self-adaptive control, and the accuracy is ensured through two-stage correction. And the calculated ammonia spraying amount is transmitted to a production master control system to adjust an ammonia supply valve, and automatic alarm and manual control are switched in case of failure. The system comprises a data acquisition module, an intelligent prediction module, a self-adaptive control module and the like, and further comprises a dynamic catalytic reaction simulation test platform for optimization. According to the invention, intelligent automatic control of the big data model is realized, the ammonia spraying amount is accurately adjusted, the denitration efficiency and the ammonia utilization rate are improved, the operation cost is reduced, and the system reliability and stability are enhanced.

A sagger stacking and splitting device belongs to the technical field of electronic kiln supporting equipment. It includes a frame; a sagger conveying mechanism, which is arranged on the frame and located at the lower part of the frame; a sagger stop mechanism and a sagger lifting mechanism are arranged on the frame in a state of corresponding left and right to each other and lifted up and down; a pair of sagger integration centering mechanisms, which are arranged on the sagger conveying mechanism; a sagger stacking extraction and splitting release mechanism, which is characterized by: it also includes a top sagger compression and release mechanism for applying a compressive force to the saggers in a stacked state and located on the top layer to prevent the upper and lower adjacent saggers from being misaligned, and a press bowl frame lifting and driving mechanism for driving the top sagger compression and release mechanism together with the sagger stacking extraction and splitting release mechanism to move up and down, and the top sagger compression and release mechanism is connected to the press bowl frame lifting and driving mechanism. Advantages: avoid the problem of misalignment between the upper and lower adjacent saggers; effectively prevent collapse; reduce the maintenance workload in daily use.

The invention relates to the field of intelligent temperature control of industrial kilns, and discloses a graphitization furnace temperature uniformity optimization processing system which comprises a temperature monitoring module, a dynamic matrix control module, a material-control coupling module, a lattice feedback module and a multi-objective optimization module. The method comprises the following steps: constructing an equivalent temperature field through multi-source temperature data fusion; predicting a graphitization trend and generating a dynamic matrix control instruction in combination with a multi-physical field model; dynamically adjusting a thermal conductivity matching temperature gradient of the guard plate; online correcting a material constant based on lattice feedback; closed-loop control is formed, and the process stability and energy efficiency of the graphitization furnace are improved. Through multi-source fusion monitoring, multi-physical field coupling modeling, dynamic thermal conductivity regulation and control, lattice feedback online correction and reinforcement learning multi-objective optimization, temperature uniformity control and energy efficiency improvement of the graphitization furnace are realized, and material performance and process economy are guaranteed.

The present invention discloses a sintering production line, comprising: a kiln, a kiln car conveyor line, a material receiving device, a material feeding conveyor line and a bowl loading and unloading device. The kiln car conveyor line comprises a plurality of bowl-carrying kiln cars that circulate along a closed-loop conveying route. The conveying route comprises a sintering section and a loading and unloading section. The kiln is arranged in the sintering section for heating and sintering the sagger. The material receiving device is arranged on the upstream side of the loading and unloading section for collecting the sintering material. The material feeding conveyor line is arranged on the downstream side of the loading and unloading section for loading the empty sagger into the powder material to be sintered. The bowl loading and unloading device is used to move the sagger between the bowl-carrying kiln car, the material receiving device and the material feeding conveyor line. The sintering production line of the present invention has a high degree of automation, avoids the high-intensity operation of the staff in a harsh environment, and improves the efficiency.

The invention relates to the technical field of copper metallurgy processes, and discloses a method and device for strengthening copper smelting through thiocarbon self-heating and chaotic stirring, and the method comprises the following steps: monitoring the temperature of a furnace kiln in real time by adopting a non-contact measurement technology; adding of mineral aggregates is adjusted according to the furnace temperature monitored in real time, the proportion of the added mineral aggregates is input into a sulfur-oxygen matching program, and the minimum threshold value of the oxygen inlet amount is calculated; inputting the furnace temperature, the slag thickness, the copper matte thickness and the minimum oxygen inlet amount threshold value which are monitored in real time into a nonlinear chaotic flow calculation program, and calculating the injection speed, the oxygen supply concentration and the injection angle; and after the smelting process is carried out, the temperature of the furnace kiln is fed back in real time according to the adjustment of the injection speed, the oxygen concentration and the injection angle. The device comprises a furnace top area, a furnace body area, a hearth area, a furnace wall, a feed opening, an uptake flue, a secondary air blowing gun, a copper matte discharge opening, a side blowing spray gun, a slagging chamber flue and a slagging opening. According to the invention, the energy utilization rate, the production efficiency and the product quality in the smelting process can be improved.

The invention discloses an internal circulation boiling calcining kiln air distribution plate and a mounting structure thereof.The air distribution plate comprises an annular air distribution plate body, a supporting center pipe and a hollow center blind island, the bottom of the center blind island extends downwards to form a sleeve, and the supporting center pipe is mounted in the sleeve; the upper end of the supporting center pipe penetrates into and is fixed in the center blind island, the lower end of the supporting center pipe penetrates out of the lower portion of the sleeve, and the annular air distribution plate body annularly sleeves and is fixed to the circumferential outer side of the center blind island; in the installation structure, the annular air distribution plate body in the air distribution plate is installed at the communication position of the internal circulation boiling calcining kiln and the air chamber. According to the invention, the influence of thermal deformation caused by thermal expansion and thermal contraction in the clinker calcining process is reduced, the high-temperature bearing capacity is high, and the uniformity of a fluidized bed layer is facilitated.

The invention relates to the technical field of industrial process control, and discloses a denitration intelligent monitoring method and system based on data analysis and a storage medium. The method comprises the following steps: performing working condition identification by using an improved K-means algorithm to obtain stable operation, fire change preparation, fire change proceeding and fire change recovery modes; matching a segmented control strategy according to an identification result, and carrying out weighted fusion on feedforward and predictive control in a fire exchange preparation stage to generate a differentiated liquid ammonia regulation instruction; the disturbance feed-forward compensation amount is calculated in combination with the combustion state of the kiln, the adjusting instruction is restrained, and a liquid ammonia control instruction is obtained; the execution effect is monitored in real time through standardized deviation detection, manual intervention is switched in case of abnormity, and control parameters are fed back and updated in case of normal. The problems that NOx control lags behind and liquid ammonia consumption is not economical under the fire exchange working condition are solved, and the control precision and the self-adaptive capacity of the denitration system are improved.

The utility model discloses a high-efficiency energy-saving ceramic handicraft firing kiln, which comprises a kiln body and has the beneficial effects that a kiln car and a firing frame are arranged, so that the kiln car can be pulled out of the kiln body, the kiln car is supported in an auxiliary manner through a guide roller at the top of a guide support plate, and the kiln car and the firing frame are pulled out, so that the kiln car can be conveniently fired. Ceramic needing to be fired can be conveniently placed on the firing frame, the position of the kiln car in the kiln body is jacked and fixed through the inner jacking block on the inner side of the kiln door, the kiln car and the firing frame are stably placed in the kiln body, the stability of the position during ceramic firing is improved, and through the arrangement of the heat preservation box and the heat exchange copper gas pipe, high-temperature smoke in the heat preservation box is achieved; gas treated by the oxygen enrichment device in the heat exchange copper gas pipe is heated, the temperature of combustion-supporting gas is increased, the combustion-supporting gas is mixed with gas supplied by the gas pipe in the concentration gas box, the mixture is sprayed out through the ventilation box and the combustion nozzle, ignition is conducted through the ignition rod, and ceramic firing is conducted through fuel.

The invention relates to the technical field of solid waste recycling, in particular to a method for preparing ceramsite through multi-element solid waste co-treatment. The method comprises the following steps: S1, uniformly stirring and mixing waterworks sludge, washing-free waste incineration fly ash, polluted soil and iron tailing slag powder in proportion to obtain a stirred mixture; s2, directly putting the stirred mixture which is uniformly mixed and is in a wet state into a ceramsite drying and granulating kiln, and granulating in the kiln to obtain raw material balls; s3, the raw material balls enter a pyrolysis section in the kiln to be subjected to low-temperature pyrolysis treatment; s4, the pyrolyzed raw material balls enter a calcining kiln to be subjected to high-temperature sintering treatment; and S5, passing the obtained sample through a cooling kiln, and taking out the cooled sample to obtain the multi-element solid waste ceramsite. According to the method, pure solid waste is adopted for preparing the ceramsite, and the links of raw material drying and granulation in traditional ceramsite manufacturing are omitted. The sludge of the waterworks, the waste incineration fly ash, the polluted soil and the iron tailing slag are utilized in a high-valued manner, the energy consumption is low, and less secondary environmental pollutants are generated.

The invention discloses a kiln temperature monitoring method based on coupling simulation and Kalman filtering, which belongs to the technical field of kiln temperature monitoring, and comprises the following steps of: simulating temperature field distribution in a kiln through simulation software, and fusing a simulation result and actual measurement data by using a Kalman filtering technology to obtain a simulation result; therefore, a more accurate temperature monitoring result is obtained. The method can effectively improve the accuracy and real-time performance of monitoring, optimize the heat energy utilization efficiency of the kiln, reduce energy consumption and carbon emission, and provide technical support for achieving the carbon neutralization target in industrial production.

The invention discloses a sagger stacking and splitting device for an electronic kiln sagger turnover operation production line, and belongs to the technical field of electronic kiln supporting facilities. Comprising a rack and a sagger stacking extracting and splitting releasing mechanism. The top-layer saggar pressing and releasing mechanism is used for applying pressing force to saggars which are in an overlapped state and are positioned on the top layer so as to prevent the upper and lower adjacent saggars from being staggered; the saggar pressing frame lifting driving mechanism is used for driving the top-layer saggar pressing and releasing mechanism and the saggar overlapping, extracting, splitting and releasing mechanism to move up and down; the sagger pressing frame lifting driving mechanism is arranged at the top of the rack, the top-layer sagger pressing and releasing mechanism is connected with the sagger pressing frame lifting driving mechanism in a lifting mode, and the sagger stacking, extracting and splitting releasing mechanism is connected with the top-layer sagger pressing and releasing mechanism and extends downwards in a longitudinal cantilever state. The sagger has the advantages that the problem of dislocation between the adjacent saggers on the upper and lower layers is avoided; and collapse outside the furnace or in the hearth is prevented.

The invention provides a method and device for controlling the liquid level of molten glass in a kiln, a terminal and a medium. The method comprises the following steps: acquiring structural parameters and thermal parameters of the kiln; based on the structural parameters and the thermal parameters, constructing a dynamic mathematical model for describing the liquid level change of the molten glass; the target function of the dynamic mathematical model is used for measuring the deviation between the actual liquid level height and the ideal liquid level height of the molten glass in the kiln; calculating an optimal control law that minimizes an objective function of the dynamic mathematical model based on a linear quadratic regulator algorithm; and adjusting the liquid level height of the molten glass in the kiln based on the optimal control law. According to the method, the dynamic mathematical model used for describing the liquid level change of the molten glass is constructed, the deviation minimization between the actual liquid level height and the ideal liquid level height of the molten glass in the kiln serves as the target, the optimal control strategy is determined, and high-precision stable control over the liquid level height of the molten glass in the kiln is achieved.

The invention discloses a steel slag dry-method treatment system and a whole-process waste heat recovery process, and belongs to the technical field of steel slag treatment and waste heat recovery. According to the technical scheme, the system comprises a high-temperature section waste heat recovery system, a medium-low temperature section waste heat recovery system and a steel slag secondary separation and tailing digestion system. Firstly, steel slag discharged from a smelting furnace enters a high-temperature section waste heat recovery system, and heat is recovered by adopting a vertical waste heat recovery device through air heat exchange. Afterwards, the steel slag subjected to rolling crushing enters a medium-low temperature section waste heat recovery system, and heat of the steel slag is directly exchanged and recovered through a kiln type waste heat recovery device. And finally, iron-containing materials and tailings are separated from the steel slag through magnetic separation, and the tailings can be comprehensively utilized after being digested by digestion gas. The method has the beneficial effects that the whole-process waste heat recovery of the steel slag discharged from the smelting furnace can be realized, the resource recovery rate is improved, and the problems existing in steel slag treatment in the current steel industry are effectively solved.

The invention discloses a double-kiln lime powder pneumatic conveying device, and relates to the technical field of double-kiln lime powder conveying devices.The double-kiln lime powder pneumatic conveying device comprises a main body mechanism, the main body mechanism comprises a draught fan, a first pipeline and a second pipeline, and the output end of the draught fan is fixedly communicated with the first pipeline; the first pipeline and the second pipeline are fixedly communicated through a flange, the surface of the first pipeline is fixedly sleeved with a first half box, the surface of the second pipeline is sleeved with a second half box, the first half box and the second half box are fixedly connected through bolts, and air leakage detection mechanisms are arranged on the surfaces of the first pipeline and the second pipeline. According to the double-kiln lime powder pneumatic conveying device, the whistle unit, the visual warning unit and the leaking stoppage unit are used in cooperation, the attention of maintenance personnel is attracted, the maintenance personnel can conveniently find the gas leakage condition in time, and therefore continuous loss and waste of pneumatic force are avoided, and the conveying efficiency of lime powder is improved.

The invention relates to the technical field of architectural ceramics, and discloses an antifouling matte archaized brick with antiskid performance and a preparation method thereof, the preparation method comprises the following steps: A, preparing a green body layer; b, applying ground glaze to the surface of the green body layer; c, applying anti-skid and anti-fouling matte glaze to the surface of the ground coat layer; d, firing in a kiln after drying; the anti-slip and anti-fouling matte glaze comprises anti-fouling matte glaze, anti-fouling wear-resistant dry particles and anti-slip dry particles, the anti-fouling wear-resistant dry particles are composed of particles with the mesh number larger than or equal to 200 and smaller than 250 and particles with the mesh number ranging from 250 to 325, and the anti-slip dry particles are composed of particles with the mesh number larger than or equal to 150 and smaller than 160, particles with the mesh number larger than or equal to 160 and smaller than 200, particles with the mesh number larger than or equal to 200 and smaller than 250 and particles with the mesh number ranging from 250 to 325. According to the antifouling matte archaized brick with the anti-skid performance, the glossiness, the antifouling performance, the hardness, the abrasion resistance, the color development performance and the anti-skid performance can be considered at the same time under the existing firing condition, and the use satisfaction degree of consumers on the archaized brick is improved.

The invention discloses a belt type roasting machine pellet compressive strength distribution prediction model based on a deep learning network and a system thereof. According to the model, firstly, process variables in the continuous production process of a roasting machine and corresponding pellet compressive strength data are collected, through feature selection, the process variables most related to pellet compressive strength distribution characteristics are obtained to form a feature matrix, and then the feature matrix serves as an input quantity; and constructing a pellet compressive strength distribution prediction model based on the deep learning network, and outputting prediction probability distribution of pellet compressive strength distribution. A prediction system constructed based on the model can achieve accurate modeling and prediction of pellet compressive strength distribution, the learning ability and prediction precision of overall strength distribution are remarkably improved, the model can achieve accurate prediction on the minute level, the technical problem that prediction results are lagged in the prior art is effectively solved, and it is tested that the prediction result is more accurate. The error of the prediction result of the system is only 0.053, and the industrial requirements can be completely met.

The invention discloses a sludge brickmaking brick material transfer device which comprises an indoor ground, two transfer trolleys are slidably mounted in the indoor ground, a fastening device is arranged at the top of one transfer trolley, and kiln car bricks are mounted at the tops of the transfer trolleys in a rolling manner. Through synchronous contraction of a first hydraulic clamping push rod and a second hydraulic clamping push rod, a first limiting frame drives a clamping plate to oppositely clamp and fix a brick material pile at the top of a kiln vehicle body, and a transfer trolley with a fastening device at the top can quickly move, so that the brick material pile stacked on the kiln vehicle body is prevented from collapsing; the stability of a brick pile during transportation is guaranteed, meanwhile, the moving efficiency of the transfer trolleys on the moving tunnel is saved, the transfer trolley with a fastening device at the top is used for transferring, the transfer trolley on the right side is used for feeding, the feeding time of a feeding hydraulic push rod is shortened, the two transfer trolleys cooperate with each other, and especially under the condition of multiple drying kiln channels, the efficiency of conveying the brick pile is improved. And the transfer efficiency of the brick pile is improved.

The invention relates to the technical field of bauxite mining, in particular to a green mining method for bauxite under coal, and mainly solves the technical problems that pollutants in a goaf of an upper coal seam easily enter an aluminum layer, the recovery rate is low, an overlying rock layer easily collapses and a large amount of solid waste polluting the environment is generated in existing mining of bauxite under coal. The method comprises the following steps: S1, selecting a target rock stratum; s2, permeability transformation is conducted on the target rock stratum; s3, in-situ presplitting of bauxite; and S4, pillar-free comprehensive mechanical bag type filling mining is carried out. According to the method, old kiln water and poisonous and harmful gas in a coal seam goaf can be prevented from entering an aluminum mining working face during aluminum layer recovery, and the safety of aluminum layer recovery operation is greatly improved; ore body strength weakening can be achieved, fully-mechanized coal mining equipment loss is reduced, and fully-mechanized coal mining efficiency is improved; the recovery rate of bauxite can also be improved, and an overlying rock layer is prevented from collapsing; the coal gangue and the red mud can be treated and utilized in a large-scale and green manner, and the influence of industrial solid waste of the coal gangue and the red mud on the ecological environment is avoided.

An apparatus, system, and method for recycling glass fiber waste, particularly glass fiber embedded within a binder material. The system includes a kiln, a char separator, and a multi-stage molten salt bath having a temperature gradient. Glass fiber waste is provided to the kiln which converts the waste into glass fibers and char. At least some of the char is then separated from the glass fibers in the char separator. The glass fibers, and any remaining char, are then placed in the molten salt bath at the point having the lowest temperature. The glass fibers are then moved to the higher temperature areas within the molten salt bath. As the glass fibers pass from the low temperature to the high temperature, any remaining char is consumed, and the glass fibers are reconditioned via ionic exchange for further use. The glass fibers are then cooled for reuse.

The invention relates to the technical field of tunnel engineering prefabricated part production, in particular to a large-diameter duct piece independent kiln assembly line conveying prefabricating method and system. S2, a reinforcement cage and an embedded part are installed; s3, concrete is precisely poured and vibrated; s4, pre-curing and surface treatment; s5, carrying out roller way type flow conveying; s6, hydration heat-driven dynamic maintenance is carried out; and S7, demolding and finished product detection. And S8, mold circulation. According to the large-diameter duct piece prefabricating production line, through technical innovation in multiple aspects of mold, conveying, maintenance, control and the like, the core technical problem in existing large-diameter duct piece prefabricating production is solved, high-precision, high-efficiency, low-energy-consumption and green production of large-diameter duct pieces is achieved, and the large-diameter duct piece prefabricating production line has remarkable technical advantages and wide application prospects and is suitable for large-diameter duct piece prefabricating production. The method can be widely applied to infrastructure construction projects such as shield tunnels, open caisson projects and underground comprehensive pipe galleries.

The invention provides a control method and system for fuel supply of a volatilization kiln, and belongs to the technical field of industrial control. Firstly, real-time working condition data and historical working condition data of the volatilization kiln are obtained, working condition trend prediction processing is carried out based on the real-time working condition data and the historical working condition data of the volatilization kiln, and a working condition trend prediction result is obtained; the method comprises the following steps: constructing a fuel supply plan library according to a working condition trend prediction result, monitoring the deviation between the current working condition and the prediction result in real time, matching and dynamically adapting a target supply adjustment strategy from the fuel supply plan library to obtain an execution scheme, sending the execution scheme to a fuel supply system for execution, and collecting feedback data to update the plan library. Therefore, fuel supply of the volatilization kiln can be intelligently and accurately controlled, production efficiency and product quality are improved, and cost is reduced.

The invention discloses a low-thermal-conductivity and high-temperature-resistant silicon oxide aerogel heat insulation felt and a preparation method thereof, and the prepared silicon oxide aerogel felt has the characteristics of temperature resistance of 1100 DEG C, good flexibility, excellent high-temperature heat insulation performance and convenience in construction, and has wide application prospects in the fields of aerospace, industrial kilns and the like.

The roller kiln for ceramic tile production comprises a conveying detection mechanism, the conveying detection mechanism comprises a putting mechanism and a withdrawing mechanism which are arranged at an inlet and an outlet of a kiln body respectively, and the putting mechanism comprises a putting supporting frame; a discharging assisting air cylinder which is vertically and downwards arranged is fixedly installed on the putting supporting frame, the output end of the discharging assisting air cylinder is fixedly connected with a discharging control magnet, the bottom end of the discharging control magnet is provided with a blank simulating and conveying part used for simulating a ceramic tile blank body, the recycling mechanism comprises a color sensor, a recycling control electromagnet and a feedback lamp, and the conveying and detecting mechanism further comprises a conveying and detecting intelligent control system. The conveying detection mechanism can detect the conveying function of the roller way before firing, so that the problem of conveying abnormity possibly caused by slip of a green body can be found and solved in time, the phenomenon of conveying abnormity in the ceramic tile firing process is effectively avoided, and then the product quality can be effectively improved.

The invention relates to the technical field of magnesite block light burning, and discloses an efficient and energy-saving magnesite block porous light burning annular kiln which comprises a vertical feeding cylinder, the vertical feeding cylinder is installed in the center area of the top of a kiln body, and smoke exhaust holes communicated with the outside space are formed in the circumferential face, close to the top of the kiln body, of the kiln body. An annular section composed of an inner side fire-resistant lining and an outer side fire-resistant lining is formed in the vertical feeding cylinder, and a plurality of annular array type internal combustion chambers are arranged in the kiln body and located in the annular section. The efficient and energy-saving magnesite block porous light burning annular kiln is a vertical circular kiln, magnesite with the particle size being 30-100 mm serves as raw materials, the cross section of the magnesite block porous light burning annular kiln is annular, a plurality of internal combustion chambers are arranged in a light burning zone, a plurality of coolers are arranged in a cooling zone, heat is evenly supplied to the internal combustion chambers, finished products are evenly cooled by the coolers, the light burning temperature of the materials is even, and the temperature of combustion-supporting air is high; the product quality is improved, and the fuel consumption is reduced.

The invention discloses a regeneration production process of powdery waste activated carbon. The regeneration production process comprises the following steps: S1, feeding the powdery waste activated carbon into a crushing and drying furnace for crushing and drying; s2, feeding the powdery waste activated carbon into a cyclone separator and a cloth bag separator for solid-gas separation, and then feeding the powdery waste activated carbon into an activation furnace through a feeder for activation; s3, the activation furnace is preheated before feeding, and then high-pressure steam generated by the boiler is fed into the activation furnace; s4, the powdery waste activated carbon is fed into an activation furnace to be activated, then cooling is conducted, and finished activated carbon is separated out; and S5, feeding the finished product activated carbon to a mixing bin, and discharging and bagging the finished product activated carbon. Compared with the traditional method for regenerating the powdery waste activated carbon by using an earth kiln technology, the method can recover the powdery waste activated carbon to the same quality as the original activated carbon by using the physical action of high-temperature activation, and is stable in technology, high in yield, good in finished product quality and high in yield.

The invention discloses a preparation process of a sintering kiln silicon carbide guide roller with thermal shock resistance and high-temperature corrosion resistance. The process comprises the following steps: sequentially carrying out surface pretreatment such as reticulate pattern laser engraving, sand blasting and cleaning and drying on a silicon carbide guide roller substrate; performing plasma spraying on a pure aluminum oxide coating after preheating; carrying out segmented laser remelting on the coating to improve the compactness; and finally, coating the nano silicon carbide slurry, calcining and curing. The thermal shock resistance and the high-temperature corrosion resistance of the guide roller are remarkably improved by enhancing the binding force of the coating through laser engraving, optimizing the density of the coating through laser remelting and combining post-treatment of nano silicon carbide slurry, and the service life of the guide roller in a lithium battery positive electrode material sintering kiln is prolonged.

The present invention belongs to the technical field of denitrification in glass factories. The present invention proposes a dynamic prediction model of SAO-integrated weighted fusion for NO x The prediction method comprises: collecting real-time combustion working data of the glass factory; inputting the real-time combustion working data into a preset dynamic prediction model to predict the SCR inlet NO x concentration; wherein, the dynamic prediction model is constructed based on the integrated weighted fusion of LightGBM sub-model, XGBoost sub-model and CatBoost sub-model, and is obtained through data set training; the data set includes: combustion working data after time lag compensation and the corresponding SCR inlet NO x The combustion working data include: unit load, natural gas flow, oxygen content in the kiln, average kiln temperature, flue gas oxygen content and total air volume. The present invention can achieve SCR inlet NO x Accurate prediction of concentration.

The utility model discloses an intelligent energy-saving heat treatment kiln, which relates to the technical field of kiln equipment and comprises a base, a kiln body is arranged at the top of the base, a movable plate is arranged in the kiln body, a sliding rail is arranged between the movable plate and the base, and a driving structure is arranged on one side of the sliding rail. The kiln body can have good heat insulation performance through the heat insulation layer made of the heat insulation cotton, the heat insulation cotton does not contain any binding agent and is good in environment-friendly performance, meanwhile, the heat resistance and the heat insulation performance of the whole kiln body can be achieved through the heat insulation area made of mullite materials and the light clay heat insulation bricks in the grooves, and secondly, the heat insulation performance of the whole kiln body is improved. According to the intelligent energy-saving heat treatment kiln, the technical problems that the temperature of the surface of a shell is high due to the fact that a water inlet and a water outlet are matched with each other, the working stability and the service life of external equipment and matched components of a kiln body are affected adversely, and meanwhile energy consumption is caused are solved, and the practicability of the whole intelligent energy-saving heat treatment kiln is improved.