148 results about "Coal processing" patented technology

The utility model relates to a duplex loosening mechanism for frozen coal, which belongs to the technical field of coal processing equipment and comprises a fixed frame, a duplex driving assembly is arranged at the lower end of the fixed frame, and a plurality of loosening heads are arranged at the lower end of the duplex driving assembly. And a plurality of lifting oil cylinders which are fixedly connected with the upper end of the duplex driving assembly are arranged in the fixed rack. The duplex driving assembly comprises a protective shell, a loosening connecting plate is arranged between the protective shell and the loosening head, and a loosening head driving motor fixedly connected with the loosening connecting plate is arranged at the rear end of the loosening head. The device has the characteristics of compact structure, convenience in operation and good running stability. The problem of crushing frozen coal is solved. And the situation that coal is bonded into blocks is avoided, and coal unloading and box body cleaning during train coal conveying are facilitated.

The utility model discloses a dust falling device of a coal washer, which relates to the technical field of coal treatment and comprises a device main body, the device main body comprises a detachable structure for maintenance, a filtering box body connected with the device main body, a dust falling box body connected with the filtering box body, a dust collection assembly connected with the dust falling box body, a dust falling assembly connected with the dust collection assembly and a filtering mechanism connected with the filtering box body; the dust suppression device has the advantages that smoke, dust and particulate matter in the device body are detected in real time through the smoke sensor, when it is detected that the concentration of the smoke, the dust and the particulate matter is higher than 3 mg / m < 3 >, a second motor in the dust suppression assembly is started immediately, the second motor drives a second rotating shaft to rotate clockwise from a vertical state to a transverse state, and the dust suppression effect is achieved. The processor starts the high-pressure pump, and the water outlet pipe and the mist nozzle at the bottom of the square water collecting plate suck water in the water tank for dust fall spraying.

The invention relates to the technical field of coal processing and utilization, and discloses a clean coal yield prediction method based on a support vector machine, which comprises a data acquisition module used for analyzing factors influencing the clean coal yield, acquiring related data and integrating the data into a data set, and a data preprocessing module connected with the data acquisition module and used for preprocessing the data. The data preprocessing module is used for randomly dividing a data set according to a 70% training set and a 30% test set and carrying out standardization and normalization preprocessing, the parameter optimization module is connected with the data preprocessing module and optimizes hyper-parameters of a support vector machine through an improved grey wolf algorithm, and the model building module is connected with the parameter optimization module and is used for building a model. The model building module is used for building and training a support vector regression model based on the optimized hyper-parameters, and the model verification module is connected with the model building module and uses a test set to verify the performance of the model. According to the method, the hyper-parameters of the support vector machine are optimized through the improved grey wolf algorithm, the problem that a traditional optimization method is prone to falling into local optimum is effectively avoided, and the precision of clean coal yield prediction is remarkably improved.

The invention relates to the technical field of coal processing, in particular to a coal preparation plant production process monitoring method based on digital twinning, which comprises the following steps: establishing a hierarchical model comprising an equipment physical structure, a process logic chain and material rheological characteristics, and constructing a digital twinning body; the method comprises the following steps: acquiring vibration, current, density and pressure data through an industrial Internet of Things terminal deployed at a key node of equipment, mapping the data to a digital twinborn node according to a hierarchical relationship, and generating a dynamic twinborn data set; performing multi-source data fusion and coupling analysis based on the dynamic twin data set to obtain a state evaluation result including an equipment health state level, a process deviation degree and an energy efficiency index; and extracting simulation parameters based on a state evaluation result, executing parameter rehearsal simulation in the digital twin, generating an optimal control instruction, and issuing the optimal control instruction to a physical execution mechanism, thereby realizing comprehensive monitoring of the equipment state, the process index and the energy consumption, and improving the process stability, the equipment safety and the energy utilization efficiency.

The invention discloses a coal crushing and screening equipment load adaptive cooperative control method, and relates to the field of coal processing, and the method comprises the steps: forming a coal database based on historical crushing data; the target coal type, the actual crushing coefficient and the actual quality are obtained; identifying to obtain a first crushing coefficient of the first sample state and a second crushing coefficient of the second sample state; constructing a crushing action function based on the test data; generating target power during actual crushing; and verifying the target power, and when the target power has the risk of insufficient crushing, correcting the target power of coal crushing to obtain a target corrected power. According to the method, the coal database is formed, the coal is identified, the crushing action function is constructed, the target power during actual crushing is generated, the target power is verified, the power during coal crushing is specifically set, and the power is corrected, so that the crushed coal particles can meet the production requirements.

The utility model discloses a coal processing screening device which comprises a screening machine, the bottom of the screening machine is fixedly connected with a supporting frame, the two sides of the interior of the supporting frame are each provided with a movable frame, and the front face and the back face of each movable frame are both connected with the inner wall of the supporting frame in a sliding mode. A plurality of transmission boxes are fixedly connected to the interior of the moving frame, moving blocks are slidably connected to the interiors of the transmission boxes, connecting rods are fixedly connected to the inner sides of the moving blocks, the inner sides of the connecting rods penetrate to the exteriors of the transmission boxes and are fixedly connected with guide wheels, and rebounding devices are fixedly connected to the outer sides of the moving blocks; the outer side of the rebound device is fixedly connected with the inner wall of the transmission box, and sliding blocks are fixedly connected to the front face and the back face of the movable frame. The material receiving frame can be effectively aligned, and the phenomenon that when the material receiving frame is pushed in for material receiving, the material receiving frame is prone to skew and material leakage, a user needs to frequently adjust the material receiving frame, and the practicability of the drum screening machine is reduced is prevented.

The utility model relates to the technical field of drainage systems, in particular to a drainage system for a coal processing plant. Comprising a wastewater treatment unit, and further comprises a final treatment water outlet pool, a sampling detection unit, a diversion execution mechanism and a controller, the sampling detection unit comprises a sampling module and a water quality detection unit, and the final treatment pool is communicated with the wastewater treatment unit and used for storing treated coal processing wastewater; the sampling module is used for collecting a coal processing wastewater sample from a final treatment water outlet pool, the water quality detection unit is used for detecting water quality parameters in the coal processing wastewater sample, the shunting execution mechanism comprises a drainage electromagnetic valve and a reflux pump, a channel where the drainage electromagnetic valve is located is communicated with a drainage port, and a channel where the reflux pump is located is communicated with the wastewater treatment unit. The output end of the water quality detection unit is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input ends of the drainage electromagnetic valve and the reflux pump.

This invention discloses a device for thoroughly mixing sludge and raw coal, relating to the field of raw coal processing technology. It includes a U-shaped frame plate, with a left support plate fixedly connected to the upper surface of the U-shaped frame plate near the left side wall. A circular cavity column is fixedly connected to the inner side of the right side wall of the U-shaped frame plate, and an arc-shaped sliding groove is formed on the right side wall of the U-shaped frame plate. The mixing mechanism of this invention, through the collaborative operation of hollow plates, transverse partitions, and perforations, utilizes the high-speed flow of sludge within a continuous S-shaped channel cavity to successfully achieve top-to-bottom sprinkling of raw coal placed between multiple hollow plates, thereby achieving thorough mixing of sludge and raw coal. The hollow plates divide the raw coal into multiple narrow areas, allowing for more thorough sprinkling of the sludge onto the raw coal, avoiding dead zones during the sprinkling process, and greatly improving the mixing efficiency of sludge and raw coal. Furthermore, the mechanism is ingeniously designed, has low manufacturing costs, and is conducive to widespread application.

The invention discloses a method for separating oil-rich coal into organic matter components with different condensation degrees based on hierarchical density, and relates to the technical field of coal processing layering. Under the action of external field driving force, non-overlapping density hierarchical components with different organic matter condensation degrees and heavy ash contents are quickly separated; the density of the high ash density component is greater than or equal to 1.6 g / cm; the density of the heavy organic component is greater than or equal to 1.4 g / cm and less than 1.6 g / cm; the density of the medium-light organic component is greater than or equal to 1.3 g / cm and less than 1.4 g / cm; the density of the light organic component is greater than or equal to 1.2 g / cm and less than 1.3 g / cm; the density of the light organic component is less than 1.2 g / cm < 2 >. According to the method, based on the organic structural characteristics of the oil-rich coal, accurate non-overlapping cutting of components with different organic condensation degrees of the oil-rich coal is realized by adopting physical external field force, so that the accuracy and repeatability of a layering result are ensured; and the oil-rich coal is efficiently and cleanly converted into high-added-value fine chemicals and high-end carbon materials.

The invention discloses a coal by-product resource utilization method based on reduction roasting-magnetic separation enrichment, and belongs to the technical field of coal processing by-product resource utilization. The invention provides a combustion oxidation decarburization-high-temperature reduction roasting-ore grinding dissociation-high gradient magnetic separation combined iron extraction process. Comprising the steps that liquefied slag is oxidized and decarbonized to generate ash (iron-containing minerals are oxidized into Fe2O3), reduction roasting is conducted (Fe2O3 is converted into Fe3O4), ore grinding dissociation is conducted (intergrowth of Fe3O4 and gangue minerals is dissociated, monomer dissociation is achieved, and the magnetic separation efficiency and the iron ore concentrate quality are improved), high-gradient magnetic separation is conducted (Fe3O4 concentrate and non-magnetic gangue tailings are obtained), and efficient iron extraction is achieved. In addition, effective recovery and efficient utilization of resources are achieved, heat generated in the oxidation decarburization and reduction roasting process is used for material drying, concentrate drying and steam generation, heat energy consumption is reduced, and efficient utilization of the combustion heat value is achieved.

The invention belongs to the technical field of coal treatment equipment, and particularly relates to a mining vertical grinding device which comprises a grinding mechanism and a powder selecting mechanism, the grinding mechanism comprises a shell, a grinding disc and a grinding roller, the grinding disc and the grinding roller are arranged in an inner cavity of the shell, the powder selecting mechanism comprises a connecting cylinder arranged on the shell and a grader arranged in the inner cavity of the shell, and the inner cavity of the shell is slidably connected with a telescopic cylinder. The telescopic cylinder is fixedly connected with the connecting cylinder, one side of the shell is fixedly connected with a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected with the telescopic cylinder. The technical means that the hydraulic cylinder is matched with the telescopic cylinder is adopted, when the equipment treats high-humidity coal briquettes, the telescopic cylinder ascends to enable the connecting cylinder and the grader arranged in the inner cavity of the connecting cylinder to ascend synchronously, and when hot airflow carries materials to ascend through ascending of the grader, coarse particles are settled and separated at a low position due to gravity and inertia; therefore, the probability that coarse particles impact the grader can be reduced, the grader can better process fine powder, and the overall separation efficiency of equipment can be improved conveniently.

The utility model belongs to the field of coal processing relates to a kind of on-line processing different coal quality's coal mixing machine, including support frame, support frame is installed with coal mixing cavity, the top of coal mixing cavity is provided with feed hopper, and the bottom of coal mixing cavity is provided with discharge port, and stirring mechanism is arranged in coal mixing cavity;Stirring mechanism includes flange, stirring shaft, multiple installation rods and stirring body, and stirring shaft is fixedly connected on the upper surface of flange, and multiple installation rods are fixedly connected on the side wall of stirring shaft, and stirring body is installed on the surface of installation rod, and stirring body is cylindrical structure.The utility model effectively reduces the adhesion of sticky wet material on stirring column, shortens the contact time of material and stirring column, and reduces the sticky problem caused by moisture.

The utility model provides a crushing device for coal processing, which relates to the technical field of coal processing and comprises a crushing device feed hopper and a crushing cabin assembly, a feed hopper distributing inclined plate is fixedly mounted in the crushing device feed hopper, and the crushing cabin assembly is fixedly mounted below the crushing device feed hopper. A driving motor is fixedly installed on the surface of the rear side of the crushing cabin assembly, a discharging hopper is integrally arranged on the side face of the crushing cabin assembly, and a discharging conveying hose is fixedly connected to the outer end of the discharging hopper. According to the scheme, sampled briquettes are fed into the feeding hopper of the crushing device in a manner of feeding through the conveying belt, and are separated through the feeding hopper separation inclined plate in the feeding hopper of the crushing device, so that the fed briquettes enter separately, and the briquettes cannot be stuck at a feeding opening and are crushed through the crushing cabin assembly firstly; and then the briquette coal is ground into fine powder, so that the internal texture of the briquette coal can be conveniently inspected.

The utility model discloses an anti-blocking rapping device of a raw coal bunker, and belongs to the technical field of raw coal processing. Comprising a material storage seat, the material storage seat is hemispherical, a material storage cavity is formed in the material storage seat, a vibrating block is arranged in the material storage cavity, the vibrating block is hemispherical, the bottom face of the vibrating block is attached to the bottom face of the material storage cavity, a cavity is formed in the vibrating block, four sets of sliding grooves are formed in the surface of the vibrating block, the sliding grooves communicate with the cavity, and vibrating plates are arranged in the sliding grooves in a sliding mode; a cavity is formed in the storage seat, a pair of connecting rods is mounted in the cavity, a first driving part is arranged between the pair of connecting rods and periodically extrudes four groups of rapping plates, the rapping plates are elastically connected with the pair of connecting rods, a discharging port is formed in the bottom surface of the storage seat, a blocking plate slides in the discharging port, and a discharging pipe is mounted on the bottom surface of the storage seat; and a second driving part is installed in the discharging pipe and drives the blocking plate to vertically move, a conical cavity is formed in the position, close to the top end of the discharging pipe, in the discharging pipe, and the conical cavity communicates with the discharging opening.

The utility model discloses a coal sample preparation drying pretreatment device, which relates to the technical field of coal processing and comprises a treatment box, a roller is rotatably arranged on the inner wall of the treatment box, a drying mechanism is arranged in the roller, and a driving box is fixedly arranged on the side surface of the treatment box. A driving motor for driving the roller to rotate is fixedly mounted on the inner wall of the driving box; the drying mechanism comprises a heat conduction pipe rotationally connected to the inner wall of the roller, and a plurality of hollow rods are fixedly installed on the surface of the heat conduction pipe. The roller is arranged in the treatment box, coal can be driven to roll through the roller, the coal is scattered through the heat conduction pipe and the hollow rods on the surface of the heat conduction pipe, and meanwhile the coal in the roller is heated through the heat conduction spray heads on the surfaces of the hollow rods; the coal can be uniformly and fully dried, and the coal drying pretreatment efficiency is improved.

The utility model relates to the technical field of coal treatment equipment, in particular to a coal desulfurization treatment device which comprises a barrel, an annular shell is assembled on the surface of the inner wall of the barrel, an annular seat is rotatably mounted on the surface of the outer side end of the annular shell, and an inclined frame for transmission is assembled on the surface of the outer wall of the annular seat. A scraping plate abutting against the surface of the inner wall of the barrel is assembled at one end, far away from the ring seat, of the inclined frame; when the treatment equipment for coal desulfurization is used, the ring seat on the ring shell in the cylinder can rotate, and then the ring seat conveniently drives the scraping plate abutting against the inner wall of the cylinder to rotate through the inclined frame, so that the scraping plate can scrape the inner wall of the cylinder, and the condition that coal dust adheres to the inner wall of the cylinder is conveniently reduced; and subsequent smooth discharge is facilitated, so that the coal desulfurization treatment equipment can operate more stably and smoothly.

The utility model discloses a coal slime buffering barrel with a surface modification function in the technical field of coal processing and utilization, which comprises an outer barrel, a sleeve stator frame and an inner barrel are fixedly connected inside the outer barrel from top to bottom in the axial direction, and the top of the outer barrel is fixedly connected with a speed reducing motor through a rack. The output end of the gear motor is coaxially connected with the stirring impeller through a coupler, and the stirring impeller is provided with two stages of scrubbing impellers which are located in the sleeve stator frame and the inner barrel respectively. By intensively scrubbing the impellers in multiple stages in the coal slime buffer barrel, the process of modifying the surface of the coal slime can be completed in the buffer barrel, so that the investment of subsequent coal slime mixing equipment and civil engineering investment are reduced, the coal slime flotation technological process is simplified, and the coal slime flotation efficiency is improved.

This invention provides a quantitative analysis method for clean coal and middlings based on LIBS molecular radiation characteristics. The steps include: collecting spectral data from lump raw coal samples; selecting standard coal samples, acquiring spectra using laser-induced breakdown spectroscopy (LIBS) and determining the reference spectrum of molecular free radicals, and extracting the characteristic intensities of molecular free radicals from the reference spectrum; extracting spectral intensities within the wavelength range corresponding to molecular free radicals from the spectral data of the raw coal samples; calculating the similarity between the raw coal sample spectrum and the molecular free radical spectrum in the reference spectrum; classifying the spectral data according to the similarity; preprocessing the classified spectral data and establishing a quantitative analysis model to obtain prediction results for different types of coal. This method can efficiently achieve rapid identification and industrial parameter analysis of clean coal and middlings in raw coal, significantly improving the automation and intelligence level of coal processing, and providing strong support for efficient energy utilization and energy conservation and emission reduction.

The utility model discloses an anti-scattering guide chute with a coal recovery function, which relates to the technical field of coal processing and comprises a mounting rack, a shielding frame is fixed at the bottom of the mounting rack, an anti-falling collecting mechanism is arranged on one side of the shielding frame, and a mounting mechanism is arranged on the outer side of the anti-falling collecting mechanism. The anti-falling collecting mechanism comprises a material guide frame fixed to the edge of the bottom of the shielding frame, and a falling-back pipe is fixed to the bottom of the material guide frame. According to the anti-scattering material guide groove with the coal recycling function, the abutting block is attached to the surface of the conveying belt, when the sampling head rotates for sampling, the abutting block is used for shielding, the scattering amount of coal is reduced, and when the conveying belt deforms, a small part of coal is squeezed and discharged into the material guide frame from the bottom of the abutting block and falls into a recycling box through a falling-back pipe; and therefore, the coal is fully prevented from being scattered to the ground, the clean environment is guaranteed, the coal falling from the conveying belt can be conveniently recycled, and the practicability of the device is improved.

The utility model belongs to the technical field of pulverized coal processing equipment, and particularly relates to a double-shaft pulverized coal mixing and kneading mechanism. The double-shaft type pulverized coal mixing and kneading mechanism comprises a mixing and kneading pot, a stirring assembly for mixing pulverized coal, liquid asphalt and water is installed in the mixing and kneading pot, the stirring assembly comprises a kneading cavity, the bottom of the kneading cavity is open, the kneading cavity is formed in the inner top of the mixing and kneading pot, and the stirring assembly is arranged in the kneading cavity. A mixing and kneading pot is installed on the upper portion of the mixing and kneading pot, a discharging assembly used for controlling discharging of kneaded pulverized coal is installed at the inner bottom of the mixing and kneading pot, the stirring assembly further comprises a motor, the motor is installed at the front end of the outer wall of the mixing and kneading pot, and the output end of the motor is fixedly connected with a first rotating shaft. And meanwhile, through cooperation with the discharging assembly, a discharging opening can be automatically opened and closed, rapid discharging is achieved, and the using convenience of the device is improved.

The utility model relates to the field of coal processing, and discloses a crushing device which comprises a storage mechanism used for storing coal raw materials and a crushing mechanism arranged in the storage mechanism and used for crushing the coal raw materials, and further comprises a filter screen arranged in the storage mechanism and located below the crushing mechanism, the filter is used for filtering coal raw materials; the cleaning mechanism is arranged on the storage mechanism, is positioned below the filter screen and is used for cleaning the filter screen; the cleaning mechanism comprises a pushing piece and a cleaning piece, wherein the pushing piece is arranged on the storage mechanism in a penetrating mode; the cleaning brush is arranged on the pushing part, is positioned below the filter screen and is used for cleaning impurities in the filter screen. According to the coal filtering device, the impurities left in the filter screen are cleaned, the cleanliness of the filter screen is kept, and the coal filtering efficiency of the filter screen is improved.

The utility model relates to the technical field of coal mining, and discloses a coal mine crushing device for coal mining, which comprises a main body provided with a feed port, a first discharge port, a second discharge port and a crushing and screening component, the crushing and screening assembly comprises a servo motor, and the servo motor is fixedly installed on the main body. According to the coal mine crushing device for coal mining, in order to achieve efficient crushing and precise screening of coal mine raw materials, the crushing and screening assembly is arranged; and in cooperation with a servo motor, a rotating rod, a first crushing roller, a front gear, a rear gear, a rotating rod, a second crushing roller, a transmission assembly, a movable rod, a pull rod, a rotating block, a fixed rod, a screening bin, a screen, a large spring, a baffle, a telescopic plate, a telescopic groove and a protective shell, the granularity uniformity of products is ensured, and the coal processing quality is effectively improved.

This utility model belongs to the technical field of coal processing equipment and discloses a powder and lump separation device for coal processing, including a separation box. A square frame is movably fitted onto the top of the middle section of the separation box. A triangular block is fixedly installed at the top of the square frame, and the outer surface of the triangular block is movably fitted onto the inner surface of the separation box. Screen plates are hinged to the tops of the left and right ends of the square frame. This utility model uses a rectangular plate, a vertical plate, a horizontal bar, a short rod, and a long rod. When the drive motor starts, the drive shaft will rotate the long rod. Since the short rod is movably fitted inside the long rod, as the long rod rotates, the inner wall of the long rod will generate a thrust on the outer surface of the short rod, pushing the short rod, along with the horizontal bar, vertical plate, and rectangular plate, towards the screen plate. This allows the unblocking rod at the bottom of the rectangular plate to clean the screen holes on the screen plate, preventing blockage and ensuring the normal operation of the separation equipment.

The utility model discloses a lifting device for coal processing, which comprises a lifting frame and a hopper arranged in the lifting frame, the bottom of the hopper is connected with a supporting seat, an arc-shaped groove is arranged in the supporting seat, the arc-shaped groove is connected with a connecting shaft in a sliding mode, two ends of the connecting shaft are connected with supporting wheels in a rotating mode, and the supporting wheels are connected with the lifting frame. The supporting wheel is matched with a supporting groove formed in the front side of the lifting frame, the lifting frame is connected with a driving mechanism used for driving the hopper to ascend and descend, the driving mechanism is connected with the connecting shaft, and the rear side of the lifting frame is connected with a guiding mechanism used for guiding the hopper. The guide mechanism comprises two guide rails, two guide grooves, two rotating wheels, two fixing shafts and a positioning mechanism, the rotating wheels are connected into the guide grooves, and the positioning mechanism is used for synchronously positioning the two guide rails. According to the utility model, the lifting and pouring of coal are smoother and coherent, the efficiency is high, the pouring at different height positions is realized, and the use in different occasions is met.

The utility model relates to the field of coal processing and conversion, and disclose a kind of for furnace coal precision batching mixing equipment, including mixing cavity, conducting motor, transmission motor, support ring, bunker, discharging pipeline, pneumatic arch breaker, omron photoelectric sensor, shield disc, secondary gear, main gear, stirring assembly and other structures, bunker is fixed by support ring, inside is separated into multiple groups of discharging pipeline by partition;Transmission motor drives main gear rotation, engages secondary gear and drives shield disc rotation, makes discharging port and corresponding discharging pipeline butt joint;Conducting motor controls shield block to adjust discharging port opening and closing, can component coal discharging, omron photoelectric sensor monitors discharging state, pneumatic arch breaker solves pipeline blockage problem, stirring assembly then makes coal mixture uniform, the utility model structure is compact and reasonable, batching error is small, can effectively reduce fault shutdown, improve furnace coal batching efficiency, make coal processing stable, applicable to power, steel and other need furnace coal batching field.

The invention relates to the technical field of coal processing, and discloses a coal vibration screening machine which comprises a mounting plate, an inclination angle adjusting assembly and a screening assembly, the inclination angle adjusting assembly comprises an adjusting driving part and a box body, the adjusting driving part is mounted on the mounting plate and connected with the outer side wall of the box body, and the box body is provided with a first feeding port and a plurality of discharging ports; the box body is hinged to the mounting plate, and the adjusting driving piece can drive the box body to rotate so as to change the inclination angle of the box body; the screening assembly is located in the box body and used for screening the coal in the first feeding port, and the screened coal is discharged from all the discharging ports correspondingly. The adjusting driving piece can drive the box body to rotate around the hinged position of the box body and the mounting plate, and therefore the inclination angle of the box body is changed. When the box body forms a reasonable inclination angle, the large coal can be effectively prevented from being accumulated and blocked on the screen surface under the double clamping of the gravity of the large coal and the vibration effect of the screening assembly, and the shutdown cleaning time in the screening process is shortened.

Embodiments disclosed herein relate to methods of processing coal. A method to process coal includes subjecting raw coal to a liquefaction process effective to form a pitch resin, subjecting the pitch resin to a variable crystallinity spinning process effective to form raw fiber, and subjecting the raw fiber to a carbonization process effective to form a low thermal conductivity carbon fiber.

The present application relates to coal processing technical field, proposed gravity interference bed sorting and leaching combined production device and production process of ash and chlorine reduction, combined production device includes base frame;Interference unit is set on the base frame, and the interference unit includes: cylinder, has interference chamber, and the interference chamber has water inlet and overflow port;Material feeding cylinder is arranged at the upper end of the cylinder and is communicated with the interference chamber, and the material feeding cylinder is used for guiding the material into the interference chamber;The flow disturbance piece is arranged in the interference chamber, and a plurality of flow disturbance holes for water flow are formed in the flow disturbance piece, and the flow disturbance piece separates the interference chamber into upper chamber and lower chamber;Through the above technical scheme, the problems that the coal dechlorination and the coal washing and selecting steps are carried out separately in the related art, the overall operation efficiency is slow, the water resources occupied are more, and the water resource utilization rate is low are solved.

The invention discloses a multi-coal-source coal blending data processing method based on a WSMOTE algorithm, and belongs to the technical field of coal processing data processing, and the method comprises the steps: data collection and classification: collecting multi-dimensional data of a raw coal floating and sinking test, a coal blending test and the like, carrying out the preprocessing, dividing the data into a missing data set and a complete data set, carrying out the interpolation optimization of a missing value, and carrying out the calculation of the complete data set. And carrying out adaptive processing according to data distribution types, or carrying out weighted combination normalization according to feature importance, analyzing the number and distribution characteristics of minority class samples, dynamically adjusting the neighbor sample size and the new sample synthesis amount, and completing data enhancement and standardization. According to the method, standardized parameters are dynamically adjusted to adapt to data distribution changes, abnormal values are accurately processed, the combined interpolation model is subjected to weight optimization, errors are reduced, and data integrity is improved. WSMOTE parameters are adaptively combined with data distribution to synthesize samples, data are balanced, and the over-fitting risk is reduced. In practical application, the quality of coal blending model training data can be improved, and optimization of a multi-coal-source coal blending scheme is assisted.

The utility model discloses a material recycling and conveying device for a coal conveying gallery, and relates to the technical field of coal processing, the material recycling and conveying device comprises a negative pressure source, an absorption assembly, a collection shell and a purging assembly, a collection cavity with a discharge port is formed in the collection shell, a filtering assembly and a flapping assembly are arranged in the collection cavity, and the negative pressure source is arranged in the collection cavity. The filtering assembly and the flapping assembly are arranged in the collecting cavity in a spaced mode, the filtering assembly is used for filtering air, and the flapping assembly is used for flapping the filtering assembly; according to the technical scheme provided by the utility model, the flapping component flaps the filtering component, so that dust attached to the filtering component is driven down, the dust is not easy to attach to the dust removal cloth bag, the dust removal cloth bag is not easy to block, and the blowing component is combined to jointly clean the accumulated dust on the filtering component, so that the dust removal efficiency is improved. The dust removal efficiency is improved.