153results about "Pneumatic tables" patented technology

The invention discloses a coal dressing method and system of four-product jigging primary cleaning and secondary head coal small simplified heavy medium reelecting. The invention is a coal dressing method and system that selects the secondary head coal product through the four-product jigging technique and then reelects the secondary head coal with small simplify heavy medium separation technology. The adoption of the invention to select coal is characterized by less total investment, simpler system and lower operational expense, which can improve the stability of the system, reduce the powerconsumption, simplify the managing and maintaining work. The method can be easily realized with present technical merits, which is beneficial to be popularized in the middle and small coal washeries where the management level is low and if the method is used in oversize coal washeries, the cost for washing is lower.

The present invention discloses a combined dry sorting bed, the sorting bed is arranged with an inclination, and the inclination between the longitudinal extending of said bed surface and horizontal plane is from −2° to +4°, and the inclination between the lateral extending of said bed surface and horizontal plane is from 0° to +15°. By reasonable setting of the angle of inclination, the material being separated spiral overturn continuously on the sorting bed under the influence of the rising air currents and the force of vibration, with the result that the light material in the upper layer is separated under the influence of weight. The material is sorted for many times during the circularly movements, the product with different content of ash can be obtained. This invention also relates to a combined dry sorting device that comprises frame, sorting bed, vibrator and air supply device. This invention further relates to an apparatus for separation that comprises a feeding device, an air supply and dedusting device and a separating device, the above mentioned sorting bed is used in the sorting device and apparatus, therefore different products with vary quantity of ash are generated according to the gravity of material, and the accuracy of separation is improved.

A black matrix used with color filters and a method of manufacturing the black matrix. The black matrix is formed on a substrate and defines a plurality of pixel regions. The black matrix has an ink-phobic upper surface having a plurality of nano-sized grooves formed therein, and ink-philic lateral surfaces.

An apparatus for washing and grading sand includes a first vibrating screen having a deck arranged to receive a feed material. Oversize material passes over the deck of the first vibrating screen for collection as a first product, and undersize material and water are collected in a sump of the first vibrating screen before being pumped to a hydrocyclone. A second vibrating screen receives an underflow from the hydrocyclone upon a deck thereof, with oversize material passing over the deck of the second vibrating screen for collection as a second product. An overflow from the hydrocyclone passes into a settling tank, and a water storage reservoir receives water overflowing from the settling tank while sludge is collected and removed from a lower end of the settling tank. Water is passed from the water storage reservoir to the first and second vibrating screens to wash and fluidise material thereon.

The invention provides a multistage combined type dry method coal dressing system and method. In a traditional combined type dry method coal dressing system combined type dry method vertical sorting machine, a vertical sorting bed material feeding elevator connected to be below the middings discharging hole of a combined type dry method horizontal sorting machine is connected with the combined type dry method horizontal sorting machine to realize the vertical sorting of the middings from the combined type dry method horizontal sorting machine; the combined type dry method horizontal sorting machine and the combined type dry method vertical sorting machine are combined to realize multistage sorting so as to improve a coal dressing precision and a production rate and simultaneously improve a coal dressing yield; a horizontal air flue is arranged on a horizontal sorting bed, so that a sorting lower limit is eliminated. According to a heat distribution pipeline, high-temperature smoke generated by a combustion furnace is transported to each piece of sorting equipment in a whole sorting process, the on-line drying of sorted materials and the circular drying of a whole system are formed, all-weather dry method sorting production is guaranteed, and the sorting efficiency and yield are improved.

The invention relates to a process for processing a complex gold ore containing copper and arsenic. The complex gold ore containing copper and arsenic is processed by combining the steps of reselecting, floating, cyaniding and leaching, calcinating arsenic ore concentrate. The process of the invention comprises the following steps: grinding the raw ore to certain granularity, by using the specific gravity difference of mispickel, copper sulphide and gold, separating mispickel and coarse monomer gold with high specific gravity (gold loading or gold unloading) by using reselection, enriching middling by using flotation to obtain (gold loading or gold unloading) copper concentrate, leaching tailing (if gold-loading gangue ) by cyaniding and stirring to extract fine particle gold in gangue, reselecting arsenic concentrate to calcinate, recovering As2O3 by using low temperature cloth bag arsenic collection technology through air cooling or water cooling, and leaching calcine (if gold-loading calcine) by stirring and cyaniding. The process of the invention has simple device, obtains high technical index, and provides good economic benefit to mine.

A vibrating screen is provided for separating excess water from particulate materials such as sand, gravel, iron ore, sludge or other particulate material and/or for grading, classifying or sorting particulate material by size. The vibrating screen includes a frame upon which is mounted a deck having a plurality of apertures therein, the frame being mounted on a base and being provided with vibration generating means for imparting vibration to the deck, wherein the frame includes pair of substantially parallel side walls between which the screen is mounted, each side wall including a pair of spaced apart side members defining outer faces of the side wall, at least one intermediate member being located between the side members, wherein the at least one intermediate member incorporates a plurality of apertures and/or cut-outs therethrough.

Processing byproduct material from a direct reduction process of iron ore to reclaim iron and other materials from the byproduct. The systems and methods employ gravity separation tables to separate the iron from other byproduct material constituents. The byproduct material constituents may be size reduced, processed to remove dust, and sized prior to processing by the gravity separation.

The invention relates to a method and system for the environmental remediation of materials that are contaminated with heavy minerals, such as heavy metals. The invention finds utility in removing heavy minerals from materials such as soils, sediments, mine tailings and ores. The invention provides a means for removing heavy minerals from contaminated materials without the use of water while reducing the generation of dust. Thus, the invention provides an environmentally friendly method for the remediation of sites that are contaminated with heavy minerals.

A classifying fluid bed granulator includes a granulation chamber including a fluidizing air chamber (7) with a bed floor (10), a ceiling (3c), an end wall (3d), and a feed inlet (5), a seed inlet (6), an air outlet (4) defined by walls (3a, 3b) and an outlet (9) for produced granules. The granulation chamber is divided into an agglomeration and seed control section (1) and a granulation and classification section (2), and the section (2) includes one or more consecutive compartments having an asymmetric design.

The present invention discloses a coke and oxygen carrier particle separation device and method. The device is composed of an oxygen carrier recovery zone, a turbulence separation zone and a coke recovery zone. A mixture of coke and oxygen carrier particles enters into a fluidized bed, and the coke and oxygen carrier particles are separated in turn by a free space, turbulence plates and a divergent separation section in the turbulence separation zone. Ultimately, coke particles with a small specific gravity are discharged from the lower end of a cyclone separator and collected, and oxygen carrier particles with a large specific gravity fall into an oxygen carrier recovery tube at the lower end, thereby realizing separation and reutilization of the coke and oxygen carrier particles.

To provide an apparatus for reclaiming foundry sand that has a fluidized bed that prevents slits from being clogged. The apparatus comprises a tank (3) for reclaiming the foundry sand, a tank (4) for fluidization, an upper portion of which in an upstream side is connected to a bottom of the tank for reclaiming the foundry sand, the tank for fluidization transporting the reclaimed foundry sand and fine powder that drop from the tank for reclaiming the foundry sand, a dust hood (5), and a lower portion of which communicates with an upper portion of the tank for fluidization in a downstream side, the dust hood collecting the fine powder in the tank for fluidization, wherein a fluidized bed (6) in the tank for fluidization has a plurality of inverted. V-shaped covering members (13) and a plurality of V-shaped flooring members (14), wherein the inverted V-shaped covering members and the V-shaped flooring members are horizontally and alternately provided so that the inverted V-shaped covering members are at any point above a vertically corresponding point of the V-shaped flooring members, and wherein gaps between end portions of the inverted V-shaped covering members and end portions of the V-shaped flooring members are formed as inclined slits (15) for supplying air.

The vibration fluidizing density grading device for granular catalyst includes one inclined sieve plate, motor connected to the sieve plate via vibrating link rod and transmitting part, sealing hood on the sieve plate, induced draft fan connected to the sealing hood via induced draft pipeline, and feeding bin over the sieve plate with bottom pipe connected to the sealing hood via the induced draft pipeline. After the motor and the induced draft fan are on, the catalyst to be graded and fed via the feeding bin is fluidized on the vibrating sieve plate so that catalyst grains with high carbon content is exhausted from the upper end while catalyst grains with low carbon content is exhausted from the lower end. The present invention can realize grading of granular catalyst with density difference as low as 3%, and the low carbon content catalyst with average carbon content of 1.5-3.5 5 is recovered in the recovering rate of 90-95 vol%.

An apparatus for processing cannabis plants includes a support-frame, a hopper, a filter-tray, an oscillation means, a weighing station and a power supply. The apparatus for processing cannabis plants is useful for processing, weighing and packaging cannabis after the cannabis has flowered and is harvested.

The invention discloses an auto-medium gas-solid two-phase fluidized bed dry coal separator based on bed layer partition plates. The auto-medium gas-solid two-phase fluidized bed dry coal separator comprises a feed system, a gas-solid fluidized bed and a sorting product collection system. The feed system is connected with the gas-solid fluidized bed to achieve feeding on the gas-solid fluidized bed. The sorting product collection system is connected with the gas-solid fluidized bed to achieve sorting collection. The gas-solid fluidized bed comprises an air distribution plate. Air blowers are arranged below the air distribution plate, a dust isolation plate is arranged above the air distribution plate, and exhaust fans are arranged above the dust isolation plate. The air distribution plate is arranged obliquely, the upper portion of the air distribution plate is used for receiving fed materials, the multiple parallel bed layer partition plates are arranged between the lower portion of the air distribution plate and the dust isolation plate, and the bed layer partition plates extend downwards to the sorting product collection system. According to the auto-medium gas-solid two-phase fluidized bed dry coal separator, the density variation between coal and impurity gangue is utilized, the coal, the impurity gangue and the like are fluidized in the fluidized bed so as to be stably layered, and finally the coal, the impurity gangue and the like are separated. The auto-medium gas-solid two-phase fluidized bed dry coal separator has the beneficial effects that sorting efficiency and sorting precision are high; the same coal sorting density level range adaptability is large; the equipment investment and construction cost is low; operation and maintenance are convenient; energy consumption is low; dependence on water sources is avoided; and high efficiency and energy saving are achieved.

A fluidized powder heat treatment classification assembly includes a gas source. A fluidized bed is connected to the gas source via a metered connection. The fluidized bed includes a first output connected to a powder classifier via at least a first valve. The powder classifier includes a catch container operable to decelerate a gas flow from the output and operable to catch particles entrained in the gas flow.

The invention discloses a mineral separator and a use method thereof. The mineral separator comprises an electric hoist hanger, a separating bed of the mineral separator, a gas-solid mixture gathering device, a cyclone separator, a bag-type dust collector, a main fan, a dust removing draft fan, a spray dust suppression system, an electric appliance controller, a monitoring system, an external heat source system and a mineral separator enclosing framework; the separating bed of the mineral separator and a vibrator are hung on the electric hoist hanger, the vibrator is connected with the separating bed of the mineral separator, and an air chamber at the bottom of the separating bed of the mineral separator is connected with an air supply device; the separating bed of the mineral separator comprises an approximately right trapezoid-shaped bed surface, the beveled edge of the right trapezoid is the discharge edge of the separating bed, a discharge baffle plate is arranged at the side of of the discharge edge, and the side of the right-angle edge opposite to the discharge edge is provided with a backboard for guiding materials to turn upwardly. The mineral separator and the use method thereof effective overcome the problem of narrow application range of an existing separating bed surface, is capable of selecting a reasonable bed surface inclination angle, enables the separation quantity to be improved, and enables the separating precision to be improved.