220results about "Granular material drying" patented technology

A plastic dehumidification and drying device includes a dehumidification host system, an air supply system and at least one plastic processing system. The air in the dehumidification host system is cooled by the host windmill through a secondary condenser and enters a host honeycomb runner. The host honeycomb runner uses a host regeneration windmill and a host regeneration heater to send regeneration air to help absorb moisture. The host honeycomb runner sends the dehumidified air to the plastic processing system for drying plastics. The air returns to the dehumidification host system and passes through the host filter, then the closed cycle is carried out through the primary condenser and the host windmill. The primary condenser and the secondary condenser are provided with ice water to cool the moisture in the contracted air. The air supply system supplies air to the dehumidification host system to supplement the pressure loss, further reduce the dew point and increase the efficiency of dehumidification.

The partial or full dehydration of organic or inorganic matter containing water by induction of matter into a vacuum and processing matter through a specially designed acceleration channel is disclosed. The inducted matter accelerates in air from zero speed to sub-sonic speed to reach supersonic speed. As the material transitions the sound barrier, it is subject to acoustic shock waves and an instant negative pressure drop occurs. The sound waves disintegrate, disinfect the material and extract part or all moisture from any organic or inorganic material.

Process for production of an infill material (200) for a synthetic turf surface (400), wherein the infill material (200) comprises a plurality of granules (201), the process comprising: —providing particles (2) made of a plant material; —tumble-drying the particles (2) for obtaining the granules (201).

The invention provides a plastic particle conveying device and method, and belongs to the technical field of plastic particle processing. Comprising a mounting frame, a feeding port is formed in the top end of the mounting frame, a conveying pipeline is mounted at the bottom end of the feeding port, one side of the conveying pipeline is in through connection with a pneumatic conveying device, the pneumatic conveying device is mounted on one side of the inner wall of the mounting frame, and a separating device is mounted at one end of the conveying pipeline; a motor is mounted on one side of the surface of the conveying pipeline, and a control module is mounted on one side of the mounting frame. By arranging the whipping assembly, a plurality of rotating faces are formed at the top of the flow guide plate through a whipping rope, cakes in plastic particles are whipped and separated, it is avoided that after the plastic cakes are stacked, the plastic quality and use value are reduced, and it is avoided that the plastic particles directly impact the inner wall of a conveying pipeline to cause damage; and buffering protection is carried out on the beaten plastic particles while the plastic cake separation effect is guaranteed.

The present application relates to a drying apparatus and a battery manufacturing system including a drying tower and a cooling mechanism. [Solution] The drying tower is provided with a cooling mechanism, and the cooling mechanism cools and lowers the temperature of the inner wall of the drying tower so that the temperature of the inner wall of the drying tower is controlled within a required temperature range. When spray drying is performed in the drying tower in this manner, after the material comes into contact with the inner wall of the drying tower, the high inner wall temperature prevents fusion, and the probability of the material hanging on the wall is reduced, thereby improving the productivity and granulation quality of the material.

The present application relates to a drying apparatus and a system for preparing batteries. The drying apparatus includes a drying tower and a cooling mechanism. The cooling mechanism is disposed on the drying tower, and the cooling mechanism is used for cooling the inner wall of the drying tower, so that the temperature of the inner wall of the drying tower is controlled within the required temperature range. In this way, when the drying tower performs spray drying operation, after the material is in contact with the inner wall of the drying tower, the phenomenon that the material melts because of a high temperature of the inner wall and adheres to the inner wall is avoided, which reduces the probability of the material hanging on the wall, thereby improving the production rate and granulation quality of the material.

The present application discloses a microwave drying device, comprising: a barrel having a storage space for accommodating granular materials; a feeding mechanism for conveying granular materials, the feeding mechanism being connected to the barrel; a turning mechanism being connected to the barrel and performing feeding and turning processing on the granular materials in the barrel; and a microwave drying mechanism being arranged on the barrel and performing drying processing on the granular materials in the barrel. Compared with the prior art, the present application uses microwaves as a heating source to dry the granular materials at a relatively low heating temperature, and has the advantages of energy saving, high efficiency, less heat dissipation to the environment, and less air pollution.

The invention belongs to the technical field of spray granulation drying, and particularly relates to a uniform drying type spray granulation drying machine which comprises spray granulation drying equipment, and the spray granulation drying equipment comprises two supporting frames, a cavity, a material pipe, a hot air pipe and a uniform drying mechanism. The two supporting frames are fixedly installed on the left side and the right side of the bottom of the cavity correspondingly, the material pipe is connected to the upper portion of the cavity, the hot air pipe is connected to the left side of the cavity, the material pipe is connected with an external hydraulic pump pipeline, the external hydraulic pump is connected with an external liquid material pipeline, and the hot air pipe is connected with an external hot air pipeline. A plurality of nozzles are connected to the left side and the right side of the bottom of the material pipe and located in the cavity, and the uniform drying mechanism comprises an air cylinder, an output rod, a motor, fan blades, a connecting shaft and a plug. And the production quality of the materials is reduced.

An object is to provide a drying method for continuous processing under reduced pressure, which affords high drying efficiency by bringing about an ideal fluidized state of a process product, the method including, with a median diameter (D50) of a granular starting material ranging from 1 µm to 1000 µm and under reduced pressure at an absolute pressure of 4 to 30, performing a drying treatment by fluidizing the granular starting material, through heating with a heating medium at a temperature 15 to 120°C higher than the boiling point of a solvent in the granular starting material under the above reduced pressure.

The invention relates to the technical field of drying devices, in particular to a garden culture fertilizer drying and collecting device which comprises a drying box and a drying mechanism arranged on the drying box, an upper conveying mechanism is arranged at the top end in the drying box, and a distributing device is arranged at the position, opposite to the upper portion of the upper conveying mechanism, of the outer wall of the drying box. Through the arrangement of the extension frame, the locking mechanism, the upper conveying belt, the lower conveying belt and other structures, a user can process some garden fertilizers with high humidity in the later period, and when it is found that the humidity of the fertilizers subjected to multiple times of drying cannot meet the requirement, the extension frame is installed on the drying box; a conveying and drying path can be added between the upper conveying mechanism and the middle conveying mechanism, so that capacity expansion can be carried out on original equipment, the flexibility of the device is greatly improved, the expansion frame can be rapidly installed on a drying box through the arrangement of the locking mechanism, meanwhile, automatic sealing butt joint of expansion drying pipelines can be completed, and the drying efficiency is improved. And the installation efficiency of the device is greatly improved.

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.

An installation (1) for crystallizing and drying granular polymer material with a low level of crystallinity comprises: - a crystallization hopper (10), in which the granular polymer material is maintained in an agitated state and is processed with a first gas flow which is heated to a first temperature; - a heating hopper (20) which is arranged downstream of the crystallization hopper (10) and in which the crystallized granular polymer material is heated to a second temperature which is greater than the first temperature, - a drying hopper (30) which is arranged downstream of the heating hopper (20) and in which a predefined level of pressure reduction is maintained to dry the granular polymer material, and - a supply hopper (40) which is arranged downstream of the drying hopper and which is provided to supply a transformation machine (100) with the granular polymer material.

A centrifugal pellet dryer system includes a centrifugal dryer, a blower to generate counter-current airflow across the centrifugal dryer, damper(s), moisture sensor(s), airflow sensor(s), processor(s), and a memory. The processor(s) continuously monitor (i) the airflow across the centrifugal dryer via the airflow sensor(s), (ii) the moisture level of the pellets via the moisture sensor(s), (iii) a blower motor load, and (iv) a centrifugal dryer motor load. The processor(s) determine whether the airflow falls below a predetermined threshold, and responsive to such determination, automatically initiate a water and / or air spray to reduce fines within the centrifugal dryer. The processor(s) continuously compare the moisture level of the pellets to predetermined threshold(s), and dynamically adjust the damper(s) and / or the blower motor load, thereby adjusting the moisture level of the pellets. The processor(s) continuously determine whether the slurry requires additional or less water, and automatically adjust water to the slurry based on such determination.

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.

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 drying hopper 2 for storing a synthetic resin molding material in its inside; dehumidifiers 8 for producing dry air to be supplied to the drying hopper 2; a cooler 13 for cooling humidified air that is supplied from the drying hopper 2 to the dehumidifiers 8 after being used to dry the synthetic resin molding material in the drying hopper 2; and a heater 13. The cooler 13 is configured to cool humidified air by heat exchange with outside air. The outside air having an elevated temperature as a result of heat exchange with the humidified air in the cooler 13 is heated by the heater 13 and supplied as regenerating gas for the adsorbent to the dehumidifiers 8.

A process for manufacturing a silicon particulate material comprising: comminuting silicon to produce silicon particulate material, rinsing the particulate material with deionized water, and cleaning a surface of the particulate material comprising submerging a perforated polymer basket containing the particulate material in separate baths comprising: optionally submerging in one or more vessels containing a mixture comprising caustic detergent and high purity deionized water at a pH ≥ 10, submerging in one or more vessels containing a mixture comprising one or more acids, submerging in one or more vessels containing high purity deionized water, optionally submerging in a vessel containing a mixture comprising ozone and high purity deionized water, and submerging in one or more vessels containing high purity deionized water at a temperature of ≥20°C. The process may further comprise transferring the silicon particulate material to a vibratory sieving conveyor. A silicon particulate material is defined, comprising; a polycrystalline structure, a particle size distribution of range ≥3 mm and ≤75 mm, an average aspect ratio of ≤1.55, and a combined surface impurity and bulk impurity of total iron impurity of ≤20 pptw, total nickel impurity of ≤4 pptw, and total copper impurity of ≤4 pptw.

The invention belongs to the technical field of compound fertilizer preparation, and particularly relates to potassium sulfate compound fertilizer and a preparation method thereof, and potassium sulfate compound fertilizer preparation equipment, the potassium sulfate compound fertilizer preparation equipment comprises a connecting frame, a drying box, an air blower and a partition plate, the connecting frame is located on the upper side of the drying box, and the drying box is located on the upper side of the air blower; the potassium sulfate compound fertilizer preparation equipment comprises a partition plate, a bearing part is connected to the partition plate, an air guide arc plate is rotatably connected to an air blower, the bearing part is slidably connected to the partition plate, and two compression springs are fixedly connected between the partition plate and the bearing part. The technology comprises the following steps that 1, potassium sulfate, urea and attapulgite raw materials are crushed and then screened, screened raw material particles fall into a drying box, and too large or too small particles are removed to guarantee follow-up drying and sorting uniformity; and raw material particles which are not completely dried inside can be screened out, and the finished product effect is guaranteed.

The invention relates to an expanded thermoplastic polyurethane formed from isocyanate, compound with molar mass from 500 to 10 000 g / mol that is reactive towards the isocyanate, and chain extender, where conventional additional substances can also be present, the hard phase content of the thermoplastic polyurethane is in the range from 0.1 to 0.95, and the hard phase content is defined as follows: hard phase content = formula (I), where MKVx is molar mass of the chain extender x in g / mol, mKVx is mass of the chain extender x in g, MIxo is molar mass of the isocyanate used in g / mol, mges is total mass of all of the starting materials except additional substances, k: is the number of chain extenders, and the chain extender is a diol having from 5 to 10 carbon atoms, a mixture of at least two diols where at least one diol has from 4 to 10 carbon atoms and all of the other diols have from 2 to 10 carbon atoms, a mixture of at least one diol having from 4 to 10 carbon atoms with at least one diamine, or a mixture of at least one diol having from 4 to 10 carbon atoms with an aminoalcohol. The invention further relates to a process for producing the expanded thermoplastic polyurethane and to a process for producing a moulding therefrom.

The present invention relates to an apparatus (1, 1a, 1b) for drying and / or cooling bulk material, specifically crystalline sugar and / or sugar substitutes, in particular crystalline sugar and / or at least one sugar substitute having an average crystal size of between 0.2 mm and 1.5 mm, preferably between 0.4 mm and 1 mm, the apparatus comprising an elongate hollow body (10) which is rotatable about a longitudinal axis (L) and has a receiving space (102) for receiving the bulk material, and comprising a stationary discharge housing (20) which has a discharge device (200) for discharging (A) the bulk material from the hollow body (10), wherein the receiving space (102) of the hollow body (10) contains internal fittings (103) for at least partially entraining the bulk material while the hollow body (10) rotates about the longitudinal axis (L), and an end portion (104), next to the discharge housing (20), of the hollow body (10) has lifting elements (105) for lifting the bulk material in order to discharge (A) it. According to the invention, the discharge device (200) projects axially into the hollow body (10) and has an upwardly open filling opening (201) located above the longitudinal axis (L) of the hollow body (10).

The present invention relates to the technical field of aluminum oxide preparation, and specifically to a conveying system for aluminum oxide screening, comprising a support seat, a conveying cylinder is fixedly mounted on the support seat, a discharge cone barrel is fixedly mounted on the lower end surface of the conveying cylinder, and a conveying mechanism for dividing the aluminum oxide into multiple channels for transportation is arranged on the conveying cylinder. The conveying system for aluminum oxide screening, through the cooperation of a conveying mechanism, a conversion mechanism and a drying mechanism, adopts an integrated operation model of transportation, spreading and drying to complete the drying and conveying of the aluminum oxide, realizes rapid sealed conveying, effective drying and humidity control of the aluminum oxide particles, and the drying and conveying are carried out simultaneously, and moisture is removed in time during the falling process of the particles, shortening the drying time and improving the overall production efficiency.

A metal powder drying device utilizing a plurality of plates containing a heater, comprising: a drying oven containing raw metal powder used for the manufacture of a secondary battery; a heating unit provided on the side of the drying oven for heating the drying oven, comprising several plates; a raw material feed unit connected to the upper part of the drying oven for introducing the raw metal powder; a stirring unit installed in the drying oven for stirring the raw metal powder; a drive unit installed on the upper section of the metal powder drying device, providing a speed for the stirring unit;and a control unit that controls the heating unit, the stirring unit, the drive unit, and a heat generation quantity of each of the multiple plates based on each of the values ​​measured by the temperature sensor; the plate includes within it a heater for power consumption and heat generation and a temperature sensor for measuring the temperature of the plate and transmitting a measured value to the control unit; the heating unit comprises: a first heating unit comprising multiple plates in the center of a bottom surface of the drying oven; a second heating unit comprising multiple plates along an outer surface of the first heating unit at the bottom of the drying oven; and a third heating unit comprising multiple plates circumferentially on an outer side surface of the drying oven.

A method for efficient removal of water from cellulose ester particulates, the method comprising: (a) introducing a composition comprising cellulose ester particulates into a dryer unit, wherein the cellulose ester particulates have a D90 of 0.5 mm to 7.0 mm, an average surface area-to-volume (SA / V) ratio of greater than 1 mm-1 to 3 mm-1, a gradient tube density of less than 1.35 g / cc; and (b) passing a drying gas for a period of time T across at least a portion of the cellulose ester particulates to form dried cellulose ester particulates, wherein the drying gas has a temperature of from 30°C to 60°C below the Tg of the cellulose ester.

In a method for drying plastic material in the form of granules, powder and the like, at least one drying air generator generates drying air which is conducted through plastic material situated in a drying bin. The drying air absorbs the moisture in the plastic material and exits from the drying bin as return air. An actual air quantity of the drying air supplied to the drying bin is detected by a flow measurement and regulated to a setpoint air quantity. An actual total air quantity of the drying air exiting from the drying air generator is regulated to a setpoint total air quantity. At least two drying bins are connected to the drying air generator by means of a drying air duct and a return air duct. In the drying air duct, there is an orifice plate flow meter, which is connected upstream of a motor-adjustable control valve.

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.

An analysis method and apparatus are disclosed for analysing an absorption filtering medium that filters volatile organic substances in a process gas in a plant for dehumidifying polymer granules, with a fan that generates a flow of gas through the filtering medium, an analyzer of the total concentration of the organic carbon, a sensor to detect the pressure downstream of the filtering medium, in which the saturation state and / or the absorbent capacity and / or the deterioration over time of the filtering medium is determined by a comparison of the measured concentrations of total organic carbon in the flow of gas upstream and downstream of the filtering medium.

The present invention discloses a barrel and dryer of an infrared dehumidification crystallization drying machine. The cross-sectional shape of the barrel is a polygon with more sides than a pentagon. One end of the barrel is open and is a feeding end. Each plate surface constituting the polygonal barrel includes an intermediate plate portion and a first closing plate portion and a second closing plate portion arranged at both ends of the intermediate plate portion. The first closing plate portion and the second closing plate portion both form an obtuse angle with the intermediate plate portion and close toward the middle. A discharge port is arranged on the side wall of the barrel or the other end opening of the barrel is arranged as a discharge port. When the other end opening of the barrel is arranged as a discharge port, a spiral discharge guide plate is arranged inside the barrel for facilitating the discharge of materials. The dryer uses the above-mentioned barrel to have a better turning effect without a turning plate, has low processing difficulty, and is suitable for the crystallization drying of some plastic particles with high viscosity.

The invention discloses a plastic drying and dehumidifying system, and relates to the field of material drying, the plastic drying and dehumidifying system comprises a base, a mounting frame is fixedly mounted at the upper end of the base, a placing mechanism for storing plastic particles is arranged at the upper end of the mounting frame, the placing mechanism comprises a placing box, and the placing box is fixedly mounted at the upper end of the mounting frame; a conveying mechanism for conveying, classifying and screening plastic particles of different sizes is arranged in the containing box, and a drying mechanism for drying the plastic particles to prevent sundries from blocking ventilation openings is arranged at the side end of the containing box. And steam evaporated by drying is discharged through the air suction cover and the exhaust cover, so that the steam is prevented from adhering to the surfaces of the plastic particles again, and the plastic particles are dried more quickly.

In order to capture and divert a significantly larger percentage of SCG generated on a daily basis, the present system, method and apparatus processes SCG right at the source of a bulk of SCG generation, namely the many tens of thousands of coffee shops around the world. In an aspect, there is provided a system, method, and apparatus for promptly dewatering collected SCG, and efficiently drying the SCG to a sufficiently low level of moisture content to stabilize the SCG for further processing. In an embodiment, the dewatered and dried SCG is collected within a predetermined number of hours for processing at a central processing facility, where the SCG is further processed into one or more high quality food grade ingredients for potential human consumption.

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.

Apparatus (1) for wood processing, comprising:-a plurality of user points (2) having respective exhaust ducts (3) of flue gas (F1) to be filtered; -at least one device (4) comprising at least one hollow filtration chamber (5) defining at least one internal volume (5a) and comprising filtration means (7) of the flue gas (F1) to be filtered to obtain a filtered flue gas (F2) at least partially contained in the internal volume (5a), the filtration chamber (5) being provided with:-an inlet (8) and an outlet (9) of wood material (M); -at least one inlet (6) for the flue gas (F1) to be filtered, which inlet (6) communicates with the flue gas discharge duct (3); -at least one outlet opening (10) of the filtered flue gas (F2), which outlet opening (10) leads to the outside; the flue gas (F1, F2) dries the wood material (M) in the passage of the wood material (M) from the inlet (8) to the outlet (9).