40results about "Pneumatic tables" patented technology

The invention relates to the technical field of coal sorting, and discloses a coal vibration airflow collaborative sorting method and system based on multi-target collaborative control, and the system comprises a data acquisition unit, a data processing unit and an execution adjustment unit; wherein the data acquisition unit is used for synchronously acquiring multi-dimensional operation data; the data processing unit performs fusion operation on the multi-dimensional operation data to obtain estimated values of bed stratification degree and real-time cutting density, and performs rolling prediction based on a prediction model to obtain an optimization control instruction; the execution adjustment unit receives the optimization control instruction to adjust the apparent wind speed distribution of each subarea to stabilize bed layering, dynamically adjusts the vibration frequency and amplitude to maintain particle migration balance, corrects the longitudinal and transverse inclination angles to suppress backmixing, and adjusts the discharge boundary. The problems of separation boundary drifting and backmixing are effectively avoided, and the stability of clean coal ash content and cutting density is ensured.

To provide a multi-stage two-stream separator for mining, which is used in the process of obtaining raw materials from ore required for refining or other industries. The system includes a feed assembly (1), a screening assembly (2), a dust removal assembly (3), and a frame (4). The feed assembly is mounted on the top of the frame, and the screening assembly is mounted inside the frame. The screening assembly includes a stepped, multi-stage screening bed with at least two stages. The device provides a heavy component collection port on the lower side of the screening bed, allowing the heavy components to be continuously or intermittently discharged through the discharge assembly, reducing the amount of heavy components entering the next stage and fully utilizing the screening capacity of the screening bed. The screening assembly can be a continuous discharge assembly, an intermittent discharge assembly, or a gravity discharge assembly. Clean air treated by the dust removal assembly is drawn into the frame via an external air supply pipe, an air intake frame, and a blower for recycling. It is then recirculated by the screening assembly, and the contaminated air flow is sent back into the bag-type dust remover. This prevents the escape of coal powder and provides a rational overall design, pollution-free operation, and high screening efficiency.

The application provides a method and equipment for extracting and recovering tantalum and niobium metals from lithium mica tailings, and relates to the technical field of metal material recovery, and comprises the following steps: step S1, crushing and ball milling the tailings to a certain fineness; step S2, preliminarily enriching tantalum and niobium minerals in the tailings by using a gravity separation method to obtain a rough tantalum and niobium concentrate and a rough tailing; and step S3, performing one-time sweeping on the rough tailing by using a high gradient magnetic separation method to obtain a rough tantalum and niobium concentrate and a magnetic separation tailing. The scheme finally realizes the third shaking table concentration after the first shaking table tantalum and niobium concentrate and the second shaking table tantalum and niobium concentrate are mixed uniformly, and finally obtains a tantalum and niobium concentrate with a grade greater than 18% and a recovery rate greater than 40%. The lithium mica tailings contain a certain amount of valuable metal elements such as tantalum and niobium, and the method can recover and utilize these originally discarded rare metals, reduce resource waste, and improve the comprehensive utilization rate of mineral resources.

A method, system, and apparatus for recovering fine heavy minerals from particulate ore. At least two inclined recovery surfaces are provided for parallel operation, and a liquid slurry containing the heavy minerals is supplied to at least one of the surfaces to remove the heavy minerals from the slurry in a heavy minerals capture cycle. In a cleaning cycle, the heavy minerals are released from the at least one surface for collection, which release is preferably achieved by applying water jets which may be disposed on spray bars positioned along the length of the surface and may be applied sequentially to drive the heavy minerals toward a discharge end for collection. A valve arrangement allows the liquid slurry to engage one surface for the heavy mineral capture cycle, while diverting the liquid slurry away from another surface to allow the cleaning cycle, and the valve arrangement may be automatically controlled.

The utility model relates to a wind power coal separator system, and particularly discloses a novel skid-mounted wind power coal separator system, which comprises a separation box body, an air supply box body and a dust removal box body, and a separation device, an air supply device and a dust removal device are respectively and fixedly arranged in the separation box body, the air supply box body and the dust removal box body. The sorting box body is stacked on the air supply box body and is communicated with the air supply box body; air pipes are connected between the sorting box body and the dust removal box body and between the air supply box body and the dust removal box body, and the space in the dust removal box body and the space jointly formed by the sorting box body and the air supply box body are all closed spaces. The skid-mounted box type coal dressing machine is simple in structure, mounting, dismounting, transporting and other procedures are efficient and fast due to the skid-mounted box body structure, a large amount of manpower, material resources and time are saved, dust pollution can be prevented through the closed structure, and the skid-mounted box type coal dressing machine is suitable for coal dressing of various coal mines.

This invention provides a method for recovering material particles that enable the recycling of refractory materials from blast furnace troughs, even those with small particle sizes or low density. [Solution] A method for recovering spent material particles, comprising: a recovery step of recovering material particles from a blast furnace trough; a crushing step of crushing the recovered material particles; a magnetic separation step of separating metallic iron from the crushed material particles; a sieving step of sorting the material particles after separation of metallic iron according to particle size; and a separation step of separating the sorted material particles according to the density difference of the constituents, wherein the material particles are spent blast furnace trough refractory material, and in the recovery step, slag adhering to the surface of the blast furnace trough is peeled off, and the upstream and downstream of the blast furnace trough are recovered separately.

The invention discloses pneumatic suspension dry-type separation equipment, which belongs to the technical field of material separation, and comprises a separation box body with a cavity, the upper end of the cavity is provided with an exhaust port, and the lower end of the cavity is provided with a first discharge port; the channel plate is obliquely arranged in the sorting box body and partitions the cavity; a plurality of first through holes are formed in the channel plate; the multiple layers of spoilers are arranged below the channel plate, a plurality of second through holes are formed in the spoilers, and the second through holes in the adjacent spoilers are formed in a staggered mode in the vertical direction; the diameter of the first through hole is larger than the all-pass diameter of the sorted material, and the diameter of the second through hole is not smaller than that of the first through hole; a communicating port of the air inlet pipeline and the cavity is positioned below the spoiler; the two control valves are arranged at the first discharge hole; materials flow into the channel plate and flow downwards under the action of gravity, rising airflow with stable air pressure is formed under turbulence of the second through holes in the multiple layers of spoilers, the light materials are in a stable suspension jumping state, and the large-density materials fall into the first discharging opening under the action of gravity.

The utility model relates to the technical field of preparation equipment, in particular to a rotary material uniformizing device and a ladder flow separation system. The rotary material uniformizing device is used for the coal sorting system, the coal sorting system comprises a material bin and a conveyor, the material bin is arranged at the discharging end of the conveyor, and the rotary material uniformizing device is arranged above the material bin; the rotary material uniformizing device comprises a driver, a rotating shaft and a material blocking plate. One end of the striker plate is connected with the rotating shaft; the driver is in transmission connection with the rotating shaft and drives the rotating shaft to rotate. The rotary material homogenizing device is arranged above the material bin, so that a single blanking point of the material is changed into a plurality of blanking points, the uniformity of the density and the granularity of the material in the material bin is improved, the phenomenon of material segregation is avoided, the density and the granularity of the material subsequently entering the sorting equipment are uniform along the transverse end face, and the sorting effect of the sorting equipment is improved.

The utility model discloses a multilayer vibration type concentration table which comprises a screening barrel, a plurality of through holes are formed in the side surface of the screening barrel, filter screens are fixedly connected in the through holes, one end of the screening barrel is fixedly connected with a motor, and the output end of the motor is fixedly connected with a rotating shaft. According to the ore screening device, the screening barrel is matched with the through hole, ore before separation can be screened, impurities can be screened out, the screened ore can be stirred under the cooperation of the motor and the stirring rod, the impurities are helped to sink to the bottom to be discharged, meanwhile, the ore screening device can be matched with the screening barrel subjected to inclination adjustment to enable the ore to be discharged out of the screening barrel, and the screening efficiency is improved. The inclination angle of the screening barrel can be adjusted, then the ore displacement speed is controlled, impurities can be completely screened out from the through holes, the screening efficiency is improved, the situation that secondary screening is needed due to the fact that a large number of impurities are contained in the sorted ore is effectively avoided, and the quality of the sorted ore is improved.

The application discloses a fine particle material dry separation device and a dry separation system. The fine particle material dry separation device comprises a rack, a separation bin, a separation bed, a driving device, a dust removal system and an air supply system. The separation bed comprises an upper bed body and a lower bed body located below the upper bed body. The upper bed body is provided with a first upper bed body end corresponding to the position of a feeding port and a second upper bed body end located opposite to the first upper bed body end. The position of a first discharge port corresponds to the second upper bed body end. The upper bed body is provided with a sieve hole. The aperture of the sieve hole increases in the direction extending from the first upper bed body end to the second upper bed body end. The lower bed body is provided with a first lower bed body end corresponding to the position of the first upper bed body end and a second lower bed body end located opposite to the first lower bed body end. The position of a third discharge port corresponds to the first lower bed body end. The position of a second discharge port corresponds to the second lower bed body end. The lower bed body is provided with an air inlet hole.

The invention relates to a plant (1) for processing coated wood-based molded bodies (100) into free-flowing particles comprising: a comminution device (2) for contact comminution of coated wood-based molded bodies (100) into wood-based molded body fragments containing coating and uncoated wood-based molded body fragments; a riser tube air classifier (3) for classifying into a defective fraction (31) with predominantly coated wood-based molded body fragments and a good fraction (32) with predominantly uncoated wood-based molded body fragments; a feeding device (4) for feeding the riser tube air classifier (3) with wood-based molded body fragments in a weight- and / or time-dependent manner.wherein the feed device (4) comprises a weighing device for gravimetrically determining the feed rate of the riser tube air classifier (3) per unit of time, wherein the riser tube air classifier (3) is downstream of the comminution device (2) and the feed device (4) is arranged between the riser tube air classifier (3) and the comminution device (2).

The invention relates to a system (1) for preparing coated wood material compression-moulded bodies (100) to form scatterable particles, comprising: a comminuting device (2) for the contact-based comminuting of coated wood material compression-moulded bodies (100) into wood material compression-moulded body fragments with coating-containing wood material compression-moulded body fragments and coating-free wood material compression-moulded body fragments; a riser-pipe air classifier (3) for classification into a bad fraction (31) with predominantly coating-containing wood material compression-moulded body fragments and a good fraction (32) with predominantly coating-free wood material compression-moulded body fragments; an intake device (4) for the weight-dependent and / or time-dependent supplying of the riser-pipe air classifier (3) with wood material compression-moulded body fragments, wherein the intake device (4) comprises a weighing device for the gravimetric determination of the supplying of the riser-pipe air classifier (3) per time unit, wherein the riser-pipe air classifier (3) is downstream of the comminuting device (2) and the intake device (4) is arranged between the riser-pipe air classifier (3) and the comminuting device (2).

An integrated system for the efficient processing of mixed materials of varying density is disclosed. The system (100) addresses the challenges of separating small sticky fines and conducting air classification within a confined space. The system combines a flexible mat screener (110) with an air knife generator (130) in a single unit, thereby reducing the need for multiple separate machines. This innovative design allows for effective screening and air separation of materials of different density while optimizing work space and reducing operational costs. The unit features a load deck (108), flexible mat screeners (110, 114), and a separation plate (128), all integrated into one compact framework. This configuration not only enhances the processing efficiency but also minimizes the environmental impact by reducing energy consumption. The system is particularly advantageous for applications with limited available footprint, offering a streamlined solution for material processing industries.

A drywasher agitator is configured for use with a hopper and a recovery box. The hopper includes a flow opening formed therein to allow particulate within the hopper to pass through the flow opening and into the recovery box. The recovery box includes a main body and a panel extending from the main body. The agitator includes a wire having a first segment and a second segment. The first segment is connectable to the panel and extends along a first axis and a second segment extends along a second axis angled relative to the first axis. The wire is configured to extend from the panel and into the flow opening during use of the hopper and the recovery box to agitate particulate near the flow opening to mitigate clogging of particulate within the flow opening.

Apparatus, systems, and methods for integrated preparation of biomass feedstock particles. In certain implementations, apparatus include at least two biomass feedstock particle separators, and optionally a grinder. Also disclosed are bioenergy production systems, or methods of bioenergy production comprising integrated biomass feedstock preparation apparatus or systems.

A machine for the extraction of gold from gold ore has a separation bell (24) suitable to rest on a vibrating plate (27). The separation bell (24) has, at the bottom, a porous cap (32) that is convex upwards and is made up of a membrane suitable for allowing the passage of compressed air from a blower (21) through a first delivery pipe (22) to the separation bell (24). A plurality of nozzles (41), being fed by the blower (21), introduces circumferential air into the separation bell (24). At the top, a Y fitting (51) allows the passage of siliceous material in whirling upwards from inside the separation bell (24) to a duct (52), and then to a siliceous material recovery compartment (45), and the suction of concentrated gold material via a rigid tube (54) capable of rotating around a vertical axis.

The invention discloses an automatic product quality control system and method for a combined type dry separation system in the technical field of coal separation, and the system comprises a first-section separation bed, a middle-section separation bed and a tail-section separation bed which are arranged in parallel, the middle gaps of the adjacent separation beds are connected through rubber sheets, and a vibration motor is mounted at a bed surface back plate of each separation bed; a discharging plate with the angle controlled through a servo motor is installed at the discharging end, each section of sorting bed supplies air through an air supply pipeline connected with a frequency conversion air blower, an air flow meter and an automatic air valve are installed on each air supply pipeline, and the first section of sorting bed and the tail section of sorting bed are connected with automatic suspension devices. According to the invention, the quality of the separated raw coal and the coal quality of the clean coal product and the gangue product are monitored on line, so that the separation process of the combined type dry separation system in the production process is regulated on line according to the quality of the raw coal and the product, and the adaptability and the intelligent level of the combined type dry separation machine to the change of the coal quality are improved.

The utility model relates to a separation bed, belongs to the technical field of coal processing, and particularly discloses a separation bed with a screen, which comprises a bed body and a bed surface mounted in the bed body, the bed surface comprises a first sub-bed surface, a second sub-bed surface and a third sub-bed surface, and a clean coal baffle is arranged at the front end of each sub-bed surface. A gangue discharging outlet is formed in the rear end of each stage of sub-bed surface, a gangue baffle with an adjustable height is arranged at each gangue discharging outlet, and a blanking baffle is arranged above each gangue discharging outlet; and the front end of the blanking baffle on the third sub-bed surface is fixedly connected with a screen, and the screen is provided with screen holes fully distributed on the screen. The utility model further discloses a wind power coal separator applying the separation bed. The wind power coal separator comprises a rack, a feeding device, a discharging device, a dust removal device, an air supply device and the separation bed with a screen. The gangue separator is simple in structure, small-particle gangue can be separated from clean coal at the last stage of separation bed and discharged, the coal separation quality is improved, and the gangue separator is suitable for separation of coal briquettes and gangue of various specifications.

The invention provides a method and equipment for extracting and recovering tantalum and niobium metals from lepidolite tailings, and relates to the technical field of metal material recovery, the method comprises the following steps: step S1, the tailings are crushed and ball-milled to a certain fineness; s2, tantalum-niobium minerals in the tailings are preliminarily enriched through a gravity concentration method, and roughed tantalum-niobium concentrates and roughed tailings are obtained; and S3, primary scavenging is conducted on the roughing tailings through a high-gradient magnetic separation method, and roughing tantalum-niobium concentrate and magnetic separation tailings are obtained. According to the scheme, the tantalum-niobium concentrate with the grade larger than 18% and the recovery rate larger than 40% is finally obtained after the tantalum-niobium concentrate with the primary shaking table and the tantalum-niobium concentrate with the secondary shaking table are evenly mixed, and a certain amount of valuable metal elements such as tantalum and niobium are contained in the lepidolite tailings; by means of the method, the originally abandoned rare metals can be recycled, resource waste is reduced, and the comprehensive utilization rate of mineral resources is increased.

The utility model discloses a screening device for acellular matrix particles, and relates to the technical field of biomedical material processing. The device is based on the fluidized bed principle and comprises a fluidized bed reactor, a feeding system, a fluid conveying system and a collecting system. The top of the fluidized bed reactor is connected with a discharging system, the middle is connected with a feeding system, and the bottom is connected with a fluid conveying system. The working principle of the screening device is as follows: the acellular matrix particles are input into the fluidized bed layer, the particles suspended on the fluidized bed layer can settle quickly under the action of fluid, and the particles with smaller particle size can rise along with the fluid and enter the discharging system. The device can realize accurate screening of acellular matrix particles, remarkably reduces the particle size fluctuation range, can be used for directionally preparing particles in a specific particle size interval, and has the characteristics of high efficiency, continuous production, simplicity and convenience in operation and high applicability.

The invention relates to the field of public utilities and is designed for sorting solid household waste at container sites. The proposed system of hardware and software includes a rectangular container comprising: an intake zone with an intake port for depositing waste into an intake bin with a movable base for transfer to a sorting table with trays which is disposed in an enclosed sorting zone with ports for the separation of waste by an operator into designated bins; an operating zone with a workstation; a compaction zone; a packing zone; a conveyor; lifting and conveying equipment for transferring designated bins to a temporary storage warehouse; a zone for receiving empty bins and unloading full bins; an external loading and unloading robotic arm; a temporary storage warehouse; and a warehouse for outsized waste. The invention is directed toward separating organic waste from inorganic waste, thoroughly sorting inorganic waste, accurately recording and predicting waste streams and creating a database for artificial intelligence, thereby making it possible to efficiently manage the collection and processing of solid household waste.

The utility model relates to a wind power coal separator, belongs to the technical field of coal processing, and particularly discloses a sectional type wind power coal separator which comprises a machine frame, a feeding mechanism, a separation main machine and a discharging mechanism, and the feeding mechanism, the separation main machine and the discharging mechanism are sequentially arranged on the machine frame in the material conveying direction. And an air supply device is communicated below the sorting host. The sorting main machine comprises a first sorting main machine body, a second sorting main machine body and a third sorting main machine body which are sequentially arranged in the material conveying direction, the three sections of sorting main machine bodies are each provided with an independent suspension adjusting device and an air supply device, and each section of sorting main machine body is provided with a vibration exciter and a gangue discharging outlet. The vibration force, the wind force, the inclination angle and the like of each sorting main machine can be independently adjusted. The fine coal sorting machine is reasonable in design, the sorting main machine is arranged to be of a sectional structure with parameters capable of being adjusted independently, the quality of sorted fine coal is improved, and the fine coal sorting machine is suitable for sorting coal briquettes and gangues with different granularities.

The invention discloses a fly ash multi-stage sorting treatment system and method. The system comprises a fly ash collecting unit and a sorting unit which are sequentially connected through a pneumatic conveying pipeline. The sorting unit is composed of a preprocessing module, a grading sorting module and an intelligent management and control module. The pretreatment module is connected in series with a permanent magnet drum type magnetic separator and a fluidized bed type carbon separator at an inlet section of a pipeline, respectively and efficiently removes ferromagnetic impurities and unburnt carbon, and realizes resource circulation of carbon powder; the grading and sorting module is used for realizing step-by-step sorting of the coal ash from coarse to fine through a cyclone separation first-stage sorting machine, a cyclone separation second-stage sorting machine and a bag type dust collector which are sequentially connected in series, so as to form a coarse ash, fine ash and superfine ash three-stage product system; the method realizes fine grading and high-value utilization of fly ash, and has the advantages of high grading precision, stable product quality, high resource cyclic utilization rate and the like.

The invention discloses a milled rice with embryo cleaning and husk separating device, and relates to the field of solid material separation of wind power jiggers, a screening and separating mechanism comprises a screening perforated plate, the outer surface wall of the screening perforated plate is provided with a group of waste material channel holes, and the group of waste material channel holes are used for screening off impurities; one side of the outer surface wall of the screening belt hole plate is connected with a set of jigging vibration power springs, the outer surface walls of the set of jigging vibration power springs are connected with a movable sleeve, one side of the outer surface wall of the movable sleeve is provided with a second fixing piece, and the vibration frequency and the inclination angle of the screening belt hole plate can be adjusted through the jigging vibration power springs. Residual impurities fall down through the waste channel holes through vibration, the milled rice with embryo is reserved, and the problems that separation is uneven due to material accumulation in traditional conveying, bran and the milled rice with embryo are mixed and difficult to separate, and impurity residues and screening adaptability are poor are effectively solved.

Provided is: a separation method for stainless steel capable of efficiently separating stainless steel from electrical / electronic component scraps, in particular, crushed scraps obtained by subjecting electrical / electronic component scraps to a crushing processing; and a processing method for electrical / electronic component scraps. The separation method for stainless steel includes: a crushing step S2 for crushing electrical / electronic components; an air flow classification step S3 for classifying the crushed substance obtained in the crushing step by air flow and obtaining, as a heavy substance, excluded stones that include stainless steel; a coarse excluded stone sorting step S4 for sorting and collecting, from the excluded stones, coarse excluded stones having at least a predetermined size; and a first magnetic sorting step S6 for magnetically sorting coarse excluded stones and obtaining, as a magnetized substance, coarse excluded stones that include stainless steel, from the coarse excluded stones.

A filtration system for a dry bulk trailer tank includes a canister containing a filter media separating a dusty air inlet and a clean air outlet on the canister. A dusty air line connects the tank with the dusty air inlet. A clean air line connects the clean air outlet with the exterior environment atmosphere. In a loading mode material is pneumatically conveyed from the tank through the dusty air line into the canister, through the filter media and from the canister through the clean air outlet and the clean air line. In a cleaning mode air flow is reversed and flows from the exterior environment atmosphere through the clean air line and the clean air outlet into the canister, through the filter media dislodging material from the filter media, and from the canister with dislodged material through the dusty air inlet and dusty air line to the tank.

The invention provides a dry separation system with a middling coal re-separation function, which comprises a first-section separation unit, a second-section separation unit and a third-section separation unit, the first-section separation unit comprises a first-section separation bed, a first-section air inlet device and a first-section vibration motor, the first-section vibration motor is used for driving the first-section separation bed to vibrate, and the first-section air inlet device is positioned below the first-section separation bed; the second-section sorting unit comprises a second-section sorting bed, a second-section air inlet device and a second-section vibration motor used for driving the second-section sorting bed to vibrate, and the second-section air inlet device is located below the second-section sorting bed; the inlet end of the middling coal product chute is used for being connected with a middling coal outlet of the discharging end of the first-section separation bed, and the outlet end of the middling coal product chute leads to the second-section separation bed. Efficient re-separation of middling coal is achieved through structural integration and innovation of the two sections of separation beds, equipment arrangement is simplified, and production efficiency and separation precision are improved.

The present invention relates to a conversion of fuel grade coke produced through thermal cracking of heavy petroleum residue to anode grade coke. More specifically, the present invention provides a process which employs high sulfur fuel grade coke as the feedstock to produce low sulfur coke which can be used to manufacture electrodes for use in aluminium industry. Further, the invention also relates to a system for removal of metal content from coke and conversion of fuel grade coke to anode grade coke.

To provide an air table type density separation apparatus and a separation method capable of improving accuracy in separating three or more kinds of particles having small particle diameters into respective kinds.SOLUTION: An air table type density separation apparatus 100 includes: a first bottom plate 21 inclined so as to be lowered toward each of a first direction and a second direction from a charge port of a plurality of separation targets, and at least one baffle plate 6 extending in the second direction on the first bottom plate 21. The first bottom plate 21 has a first hole 214 through which a gas blown out from a back surface 212 toward a front surface 211 passes. A diameter D2 of the first hole 214 in the back surface 212 of the first bottom plate 21 is larger than at least some of the plurality of separation targets. A diameter D1 of the first hole 214 on the front surface 211 of the first bottom plate 21 is larger than the diameter D2 of the first hole 214 on the back face 212 of the first bottom plate 21.SELECTED DRAWING: Figure 2C