35results about "Granular material drying" patented technology

The present application provides a kind of diuron granule moisture drying device, it is related to drying device technical field, including drying frame body and quartz heating tube, quartz heating tube is arranged on the inner wall of drying frame body, bottom support is arranged below the inside of drying frame body, the central position of bottom support top is equipped with heat dissipation cylinder, the bottom support top of heat dissipation cylinder outside is rotatably equipped with inner spiral and outer spiral, the diameter of inner spiral is less than outer spiral, hollow ring is arranged on the bottom support between inner spiral and outer spiral, clearance is left between the lower end of hollow ring and bottom support, the inside of drying frame body is equipped with rotating shaft.The slow rotation of inner spiral and outer spiral can lift the material originally located at the bottom to the upper, and drop from the upper end of hollow ring to the bottom, so circulation, not only can realize the mixing of material horizontal direction, but also can realize the mixing of up and down position, avoid the material located at the bottom is always not lifted, cause the problem of the material temperature of bottom to be too high.

The present disclosure relates to technology for hybrid drying of industrial goods. Specifically, technology is described by means of which the thermal and electrical efficiency of a hybrid drying system can be improved. An aspect of the present disclosure relates to a method for energy-efficient hybrid drying of industrial goods such as raw materials, the drying method comprising the steps: - providing a wet product; - preconditioning the product by successively exposing it to a first air circulation circulated through a first air circulation device, and a second air circulation circulated through a second air circulation device; - hybrid drying the product by simultaneously exposing it to microwaves generated by a microwave drying device and a third air circulation circulated through said microwave drying device; - whereby the second air circulation comprises the spent first air circulation that is warmed up and dehumidified using a heat pump system such that the second air circulation has a lower relative humidity and a higher temperature than the first air circulation; - whereby the first air circulation comprises the spent third air circulation, that is warmed up and humidified in the microwave drying device such that the first air circulation has a higher relative humidity and a higher temperature than the third air circulation.

The invention relates to a method for heating granular rock material (1a, 1b) in a dryer (2, 3) in which the rock material (1a, 1b) is heated using a hot gas flow (4a, 4b). The hot gas flow (4a, 4b) is generated using thermal energy (6) which has previously been stored in a heat accumulator (5). Using a heat accumulator for generating the hot gas flow makes it possible to heat the rock material with energy which could not be supplied to any other use at the time of its availability and which may otherwise have been wasted due to the lack of other storage possibilities. As a result, emissions from heating the rock material can be avoided, and the CO2 balance can be significantly improved.

A plant for drying granular polymer material comprises a hopper, in which granular polymer material is dried, and a process gas circuit which is configured to supply a process gas to the hopper in order to dry the granular polymer material.

An object of the present disclosure is to provide a dehumidification drying system for a synthetic resin molding material, the system being capable of suppressing energy loss and improving energy efficiency. The dehumidification drying system 1 comprises a storage hopper 4 for storing a synthetic resin molding material, a drying hopper 2 for accommodating the synthetic resin molding material, a dehumidifier 8 for producing dry air to be introduced into the drying hopper 2, and a cooler 13 for cooling humidified air that has been used to dry the synthetic resin molding material in the drying hopper 2 and is introduced from the drying hopper 2 to the dehumidifier 8. The cooler 13 is configured to cool the humidified air by heat exchange with outside air. The storage hopper 4 is configured to preheat the synthetic resin molding material therein through the introduction of preheating gas. At least a portion of the outside air having an elevated temperature as a result of heat exchange with the humidified air discharged from the cooler 13 is transported to the storage hopper 4 as preheating gas.

The electromagnetic material drying device comprises a frame body, two material drying modules and two microwave modules. The material drying module is provided with rollers and a spiral blade arranged in the rollers, the rollers are arranged on the frame body and are arranged in an up-and-down stacking manner, the microwave module is provided with a microwave driver and a waveguide connected with the microwave driver, the microwave driver is arranged at one end of each roller, and the waveguide is positioned in each roller and surrounded by the spiral blade; and the wave guide tube transmits the electromagnetic wave generated by the microwave driver into the roller. Therefore, according to the electromagnetic material drying device, the plastic contained in the roller is pushed backwards through the spiral blades, in order to enable electromagnetic waves to evenly irradiate all the plastic, the material turning blades are arranged at different angles, the electromagnetic waves can be evenly dispersed, the drying effect is improved, and the drying speed is increased.

The invention discloses vacuum drying equipment for particles with ultralow water content, relates to the technical field of particle drying, and solves the problems that existing wet particles with higher-level drying requirements are low in drying efficiency, and the large-batch drying requirement is difficult to meet. The drying device is a multi-stage continuous drying device and specifically comprises a drying furnace body, a built-in heater and a multi-stage transfer drying device, a feeding port is formed in the upper portion of the drying furnace body, and a discharging port is formed in the bottom of the drying furnace body; the multi-stage conveying and drying device is a plurality of layers of material conveying belt plates which are arranged in the drying furnace body, the upper ends and the lower ends of every two adjacent layers are arranged in a staggered mode, the uppermost layer is a first-stage material conveying belt plate matched with the feeding port, the lowermost layer is a material distributing material conveying belt plate, and one end of the material distributing material conveying belt plate is a discharging end matched with the discharging port; the other end of the material conveying belt plate is a material lifting end connected with a material lifting device, and materials on the material distributing material conveying belt plate are lifted to the first-stage material conveying belt plate through the material lifting device, so that circulating drying treatment is achieved.

The invention relates to a method for recycling plastic packaging, said method comprising the following method steps: (a) delivering the packaging, preferably in bale form, (b) sorting the packaging, (c) comminuting the packaging into flakes (12), (d) a washing step, (e) drying the flakes (12) with dry hot air, (f) sorting the flakes, and (g) granulating the flakes (12) in an extruder. The flakes (e) are dried in a silo (11) having a withdrawal cone (15), the drying air (19) is blown into the silo (11) via a main flow (23) and a nozzle flow (25), and the nozzle flow (25) is blown in the form of pressure pulses into the silo (11) in a temporally and spatially limited manner via a plurality of air nozzles (27).

A gas-particle processor for contacting a particle stream with a gas stream comprising: a chamber; at least one gas inlet to introduce gas into the chamber, the gas forming an acceleration gas stream and a main gas stream in the chamber; a particle feeder in fluid communication with a particle inlet to introduce a particle stream into the gas; and a separator to separate the acceleration gas stream from the main gas stream in at least part of the chamber, wherein the acceleration gas stream has a higher average velocity than the main gas stream to form a curtain of the particle stream having an upstream edge and a downstream edge; and a particle outlet for receiving the curtain of the particle stream.

The application discloses a high-efficiency preparation device and method for nylon master batches, and relates to the technical field of nylon production. The device comprises a drying box, a rotating plate is arranged in the drying box, a filter screen plate is fixedly arranged in the mixing box, a sleeve shaft is rotatably arranged in a circular hole in the upper end of the mixing box, a rotating roller is arranged on the fixing frame, a transmission shaft is rotatably arranged in a circular hole in one end of the sleeve shaft, an external spline is arranged on the other end of the transmission shaft, an internal spline is arranged on the other end of the sleeve shaft in correspondence with the position of the external spline, a condensation mechanism is arranged in the drying box to condense and collect water in the air in the drying box, and a conveying mechanism is arranged in the storage box to dry the nylon particles multiple times.

This apparatus is capable of washing a powdery object to be treated, which comprises a polymeric organic compound, with washing liquid and drying the object to be treated, and is provided with: a container; a rotatable agitating blade that is disposed in the container; a filter that is disposed in the container and capable of separating the object to be treated and the washing liquid; a heater that is disposed in the container and capable of heating the interior of the container; and a control device that rotates the agitating blades during washing and drying of the object to be treated and activates the heater during drying of the object to be treated. The container has: a container body; an object-to-be-treated supply pipe that communicates with the interior of the container body and is capable of supplying the object to be treated; a washing liquid supply pipe that communicates with the interior of the container body and is capable of supplying the washing liquid; a treated object discharge pipe that communicates with the interior of the container body and is capable of discharging the treated object; and a washing liquid discharge pipe that communicates with the interior of the container body and is capable of discharging the washing liquid. The filter is provided in the container body and located upstream of the washing liquid discharge pipe.

A kind of start sealed counterflow dryer belongs to feed processing equipment technical field, including bunker, material collecting hopper and support, the upper portion of the bunker is equipped with feed inlet and air extraction port, inside is equipped with bin position sensor, side wall is equipped with window and control panel, bottom is material leakage screen;The support is equipped with the horizontal frame of bearing bin and the horizontal frame of bearing screen;Bunker is installed on the horizontal frame of bearing bin, material leakage screen is installed on the horizontal frame of bearing screen, the lower surface of the material leakage screen is closely installed with sealing mechanism, the sealing mechanism is formed by the left and right two sealing plates with same structure, the material collecting hopper includes split horn funnel, middle layer four pyramid horn funnel and four prism discharge port;The opening edge of upper split horn funnel is fixed on the bracket leg below the horizontal frame of bearing screen;Its beneficial effect is that the sealing plate is closely attached to the material leakage screen to seal the bunker bottom, prevents the air below the bunker bottom from entering, so that the air extractor dries all the feed particles in the bunker, greatly improves the production efficiency.

The plant (1) for wood machining, comprises: - a plurality of user points (2) with a respective exhaust duct (3) of the fumes to be filtered (Fl); - at least one piece of equipment (4) comprising at least one hollow filtering chamber (5) defining at least one internal volume (5a) and comprising filtering means (7) of the fumes to be filtered (Fl) to obtain filtered fumes (F2) housed at least partly in the internal volume (5 a), the filtering chamber (5) being provided with: - one inlet port (8) and one outlet port (9) of woody material (M); - at least one introduction opening (6) of the fumes to be filtered (Fl) communicating with the exhaust ducts (3); - at least one evacuation opening (10) of the filtered fumes (F2) towards the outside; the fumes (Fl, F2) drying the woody material (M) in its passage the the inlet port (8) towards the outlet port (9).

The invention relates to the field of chemical production, in particular to a dipotassium phosphate compound fertilizer production system which comprises a pulverizer, a stirrer, a granulator, dehumidification equipment, a dryer, a cooler, a coating machine and packaging equipment. And the upper rotating plate is rotationally connected with a dehumidification outer cylinder, a dehumidification inner cylinder is arranged in the dehumidification outer cylinder, a discharging cavity is formed between the dehumidification outer cylinder and the dehumidification inner cylinder, and filtering holes are formed in the dehumidification outer cylinder and the dehumidification inner cylinder. The dehumidifying outer cylinder is rotated to a designated position, a gear ring on the dehumidifying outer cylinder is engaged with a gear, a motor operates to drive the gear to rotate, the gear ring drives the dehumidifying outer cylinder to rotate, and dehumidification is performed through centrifugal force generated by rotation, so that the drying time of the dryer is shortened, and abrasion among fertilizer particles is reduced; the influence on the body health of production personnel due to more dust generated by the compound fertilizer production system in the later period is avoided.

Moisture sensors for measuring the moisture content of a sample of granular material can include a vibration generator that vibrates the sample to reduce inter-granular voids within the sample and increase the bulk density of the sample. The moisture sensors may include a weighing device that weighs the sample so that the actual bulk density of the sample can be calculated based on the actual weight of the sample, with the actual bulk density being used to determine the moisture content of the sample.

The present application relates to the technical fields of asphalt concrete material processing, and discloses a processing equipment for asphalt concrete, which comprises a aggregate processing rack, a drying treatment table plate is arranged on the upper side of the aggregate processing rack, a aggregate drying mechanism is fixedly installed on the upper side of the drying treatment table plate, the aggregate drying mechanism comprises a drying treatment tunnel, conveying grooves are arranged on the two sides of the drying treatment tunnel, a hot air blower is fixedly installed inside the top of the drying treatment tunnel, a high-temperature drying plate is fixedly installed in the drying treatment tunnel, a drying optimization mechanism is fixedly installed inside the drying treatment tunnel, and the drying optimization mechanism comprises a drying guide shell; the double-layer conveying structure with different functions is arranged in the processing equipment for asphalt concrete, the internal structure of the drying optimization mechanism is matched, the drying efficiency of the aggregate material particles and the drying effect of multiple surfaces can be greatly improved.

The invention relates to the field of material pretreatment, in particular to a master batch pre-crystallization treatment system which comprises a raw material tank for storing mica particle raw materials, a material storage tank for storing impurity-removed mica particles, and a conveying mechanism for conveying the mica particle raw materials in the raw material tank to the material storage tank and removing impurities. The pre-crystallization drying oven heats mica particles output by the storage tank to 100-150 DEG C for pre-crystallization, an inner cavity of the pre-crystallization drying oven is provided with heating units for independent heating to form isothermal areas with different temperatures, a lifting mechanism is further arranged to enable the mica particles to sequentially pass through the different isothermal areas, and the heat preservation drying tank body conducts heat preservation storage on the mica particles output by the pre-crystallization drying oven. The conveying mechanism, the pre-crystallization oven and other parts are further provided with specific structures. The mica particle pre-crystallization device achieves the technical effects that the impurities of the mica particles are effectively removed, the mica particles can be fully pre-crystallized in different temperature environments, the pre-crystallized mica particles can be stored in a heat preservation mode, and the pre-treatment quality and effect of the mica particles are guaranteed.

A dryer for drying particles is provided that includes first and second circular plates mounted horizontally for rotation about an axis (Z), the surface of the plates being perforated and permeable to fluids, unit for blowing hot gas as a flow substantially parallel to the axis (Z) passing through the second plate before passing through the first plate, first and second units for distributing the particles and first and second units for recovering the particles after a rotation of each plate, a unit for transferring the harvested particles from the first plate (1a) to the second plate, a processor controlling the rotational speeds of the plates (ωa, ωb) and the supply flow rate (dma / dt) of particles on the basis of an output control loop. The output control loop being based a measurement of the final moisture content (H1b) of the particles measured in the second recovery unit.

The invention provides a resin drying device and method and application, an inner-layer annular Johnson net and an outer-layer annular Johnson net are coaxially arranged in a vertical tower body of the resin drying device to form an annular columnar material channel, an inner-ring air chamber and an outer-ring air chamber, and the inner-ring air chamber and the outer-ring air chamber are divided into an inner cooling section, an outer cooling section and drying sections in the height direction; the gas in the inner / outer cooling section radially penetrates through a material layer from inside to outside, and sensible heat in the material is recovered to realize self-preheating of the gas; the preheated gas starts from the lower outer drying section on the lowest layer, penetrates through the material layers corresponding to the different drying sections in the alternately changing radial direction, is heated through a heat exchanger between the drying sections and then enters the previous drying section; heat gradient utilization and alternate cross-flow drying are formed, so that uniform and efficient drying of the resin is achieved, heat energy recovery and drying and cooling are integrated, and the drying device is particularly suitable for safe and energy-saving drying of the easily-oxidized resin.

The invention relates to a method for recycling plastic packages, comprising the following method steps: (a) delivering the packages, preferably in bales, (b) classifying the packages, (c) chopping the packages into flakes (12), (d) a washing step, (e) drying the flakes (12) with dry hot air, (f) classifying the flakes, and (g) granulating the flakes (12) in an extruder. The drying (e) of the sheet takes place in a silo (11) having a discharge cone (15), the drying air (19) is blown into the silo (11) via a body air flow (23) and a nozzle air flow (25), and the nozzle air flow (25) is blown into the silo (11) in a time-and space-limited manner via a plurality of air nozzles (27) as pressure pulses.

The invention discloses a fluidized bed granulation control method and device, granulation equipment and a storage medium. The method comprises the steps of collecting a current operation mode and current sensor data of the fluidized bed; the current sensor data comprises a gas flow value, a gas pressure value, an inlet temperature value at the inlet of the fluidized bed and an outlet temperature value at the outlet of the fluidized bed; predicting the residual moisture content of particles of the fluidized bed according to the inlet temperature value, the outlet temperature value, the gas flow value and the gas pressure value to obtain a preliminary residual moisture content value; performing error correction on the initial residual moisture content value according to the inlet temperature value, the outlet temperature value and the gas flow value to obtain a target residual moisture content value; and performing parameter control on a heating execution mechanism according to the current operation mode, the target residual moisture content value and the gas flow value so as to adjust heating parameters of particles in the fluidized bed. According to the embodiment of the invention, manpower can be saved, the material moisture can be accurately calculated, and accurate control of fluidized bed granulation is realized.

The invention relates to a dryer unit (1) for drying plastic granulate (2) in a granulate container (3), preferably provided with a capacity of at least 100 litres, the dryer unit (1) comprising: - a compressed air line system (4) having a compressed air inlet (5) for receiving compressed air and having a compressed air outlet (6) for transferring the compressed air into the granulate container (3); - a recirculating air line system (7) having a recirculating air inlet (8) for receiving recirculating air from the granulate container (3) and having a recirculating air outlet (9) for transferring the recirculating air into the granulate container (3); and - a recirculating air heater (10) arranged in the recirculating air line system (7) for heating the recirculating air, wherein the dryer unit (1) is designed as a unit which can be transported independently of the granulate container (3).

To stably discharge all amount of particles containing polyolefin to the outside of a drying container.SOLUTION: A drying method of particles containing a polyolefin includes a drying step for supplying particles containing the polyolefin to a drying container to dry the particles containing the polyolefin in the drying container, and in the drying step, a value obtained by the following formula (a) is -0.20 or more and 1.05 or less. Formula (a): 0.00304×diameter of device[m]+0.00261×height of bed[m]+0.0179×residence time[hr]+0.00213×particle temperature in drying container[K]-0.0109×inclination angle[°]+0.0212×CXS component amount[mass%].SELECTED DRAWING: Figure 1

A vertical seed conditioner may be formed of a plurality of sections that can be individually removed for repair and / or replacement without requiring the entire seed conditioner be permanently decommissioned. For example, the seed conditioner may be formed of a plurality of heat transfer sections stacked vertically with respect to each other to form the conditioning vessel. Each heat transfer section may include an inlet manifold, an outlet manifold, and multiple heat transfer tubes extending from the inlet manifold to the outlet manifold. The multiple heat transfer tubes may be spaced from each other to provide a gap between adjacent tubes through which the granular solid can travel.

Moisture sensors for measuring the moisture content of a sample of granular material can include a vibration generator that vibrates the sample to reduce inter-granular voids within the sample and increase the bulk density of the sample. The moisture sensors may include a weighing device that weighs the sample so that the actual bulk density of the sample can be calculated based on the actual weight of the sample, with the actual bulk density being used to determine the moisture content of the sample.

The invention relates to the technical field of pellet feed production, and discloses pellet feed production air cooling equipment which comprises a fixing plate, supporting legs fixedly mounted at the bottom of the fixing plate, a processing bin fixedly mounted at the top of the fixing plate and a processing assembly arranged on the inner wall of the processing bin. The machining assembly comprises an adjusting mechanism installed on the inner wall of the machining bin, a supporting mechanism is installed on the inner wall of the machining bin, and the supporting mechanism is located on the left side of the adjusting mechanism. According to an existing device, feed enters a first coiled pipe, the feed directly slides in the first coiled pipe, the retention time of the feed in the first coiled pipe is short, and the contact time of air flowing in an air collecting cavity and the feed is short, so that water vapor on the surface of the feed is evaporated unevenly; and the overall working efficiency of the device is reduced.

The invention relates to a belt dryer arrangement for drying an aqueous polymer gel and for comminuting the dried polymer gel into dried polymer particles, comprising: - a belt dryer (36) with a dryer assembly (36A) and a conveyor belt (36F) for receiving and drying the aqueous polymer gel into a dry cake (35) or fraction (37) on a receiving surface (F) of the conveyor belt (36F), - a comminution arrangement (38) which is arranged in the product flow direction downstream of the dryer assembly for comminuting the dried polymer gel of the dry cake (35) or fraction (37) into dried comminutionary polymer particles (39), wherein - the comminution arrangement (38) comprises a comminutor formed as a milling drum (38.1) which is formed with an upper working line (H) of a working edge (38.1R) of the milling drum (38.1) is arranged at or above the level of a receiving surface (F) of a conveyor belt (36F) for milling the dry cake (35) or the fraction (37), wherein the milling roller (38.1) is designed to discharge crushed dried polymer particles (39) of the dry cake (35) or the fraction (37) downwards. According to the invention, an axis (38.1A) of the milling roller (38.1) is mounted at or below the level of the receiving surface (F) of the conveyor belt (36F).

A gas-particle processor for contacting a particle stream with a gas stream comprising: a chamber; at least one gas inlet to introduce gas into the chamber, the gas forming an acceleration gas stream and a main gas stream in the chamber; a particle feeder in fluid communication with a particle inlet to introduce a particle stream into the gas; and a separator to separate the acceleration gas stream from the main gas stream in at least part of the chamber, wherein the acceleration gas stream has a higher average velocity than the main gas stream to form a curtain of the particle stream having an upstream edge and a downstream edge; and a particle outlet for receiving the curtain of the particle stream.

The present application relates to a kind of microwave solar heat pump combined drying natural rubber particle equipment and its drying method, belong to rubber primary processing technical field.The present application is dried to natural rubber by the control system of higher degree of automation to control solar energy, microwave, heat pump drying system combination, and cooperate with the drying method of higher degree of equipment fit, so that the equipment drying process is more reasonable, improve the degree of automation of equipment, play the advantage of different drying mode, reduce drying energy consumption, improve drying efficiency.