163results about "Granular material drying" patented technology

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.

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.

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.

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.

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 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).

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.

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.

A cathode material integrated processing device, which dries, applies, and heat-treats a cathode material, according to an embodiment of the invention includes a support frame, a chamber part including a cylindrical body configured to accommodate the cathode material and a thick plate coupled to each of both ends of the cylindrical body to seal both the ends of the cylindrical body and configured to fix the cylindrical body to an upper portion of the support frame, a heating part disposed in each of the outside the cylindrical body and the outside the thick plate of the chamber part to heat the chamber part, a spray part including one or more nozzles, which is disposed between an upper portion and one side of the cylindrical body of the chamber part and is inserted in a longitudinal direction of the cylindrical body to spray a coating liquid to the cathode material within the chamber part through a gas, a stirring part rotatably disposed inside the cylindrical body of the chamber part to stir the cathode material within the chamber part, a driving part connected to one side of the stirring part and rotatably disposed at one side of an upper portion of the support frame to rotate the stirring part, and a control part configured to control the heating part, the spray part, and the driving part.

This application relates to the field of particulate drying, and particularly to a SAP particle drying tower, which includes a cylinder body, a feed pipe for feeding resin particles into the cylinder body, a discharge pipe for discharging resin particles from the cylinder body, an air inlet pipe for sending hot air flow into the cylinder body, an exhaust pipe for discharging the hot air flow, several centrifugal nets rotatably connected inside the cylinder body. The centrifugal nets are concave downward and are provided with several mesh openings penetrating through the upper periphery. A plurality of centrifugal bars are detachably connected to the inner surface of the concave part of the centrifugal nets. Each centrifugal bar corresponds to a mesh opening. The centrifugal bars are inclined and the end of the centrifugal bar that is closer to the direction of rotation of the centrifugal net is far away from the mesh opening. So that even if a small amount of resin particles accumulate in the centrifugal net, the centrifugal bars will drive the resin particles to rotate synchronously with the centrifugal net, so that the resin particles can flow smoothly in the cylinder body and reduce the impact on the overall production efficiency.

In a method for drying plastic material in the form of granules, powder, and the like, dry air is generated by at least one dry air generator (17), which is passed through plastic material located in a drying hopper (1). The dry air absorbs the moisture in the plastic material and exits the drying hopper (1) as return air. By means of a flow measurement, the actual air quantity of the dry air supplied to the drying hopper (1) is recorded and regulated to a target air quantity. In addition, the actual total air quantity of the dry air exiting the dry air generator (17) is regulated to a target total air quantity. At least two drying hoppers (1) are connected to the dry air generator (17) by means of a dry air line (2, 2') and a return air line (3, 3'). A flow measuring orifice (8) is located in the dry air line (2, 2'), upstream of which is a motor-adjustable control flap (7).

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.

A cathode material integrated processing device, which dries, applies, and heat-treats a cathode material, according to an embodiment of the invention includes a support frame, a chamber part including a cylindrical body configured to accommodate the cathode material and a thick plate coupled to each of both ends of the cylindrical body to seal both the ends of the cylindrical body and configured to fix the cylindrical body to an upper portion of the support frame, a heating part disposed in each of the outside the cylindrical body and the outside the thick plate of the chamber part to heat the chamber part, a spray part including one or more nozzles, which is disposed between an upper portion and one side of the cylindrical body of the chamber part and is inserted in a longitudinal direction of the cylindrical body to spray a coating liquid to the cathode material within the chamber part through a gas, a stirring part rotatably disposed inside the cylindrical body of the chamber part to stir the cathode material within the chamber part, a driving part connected to one side of the stirring part and rotatably disposed at one side of an upper portion of the support frame to rotate the stirring part, and a control part configured to control the heating part, the spray part, and the driving part.

A material drying plant using superheated steam includes a downwardly open chamber with an inlet for the material to be dried, an outlet for dried material to be dried, an inlet for superheated steam and an outlet for a vapour, a conveying system for introducing the material into the chamber, transporting the material in the chamber, during drying, and discharging the dried material from the chamber, a vapour compressor for compressing a first portion of the vapour recirculated from the chamber and a heat exchanger for transferring heat from the compressed first portion by condensing a volume flow of the compressed first portion supplied to the heat exchanger. A vapour atmosphere is formed in an upper region of the chamber, which vapour atmosphere floats on ambient air located in a lower region of the chamber, wherein a transition layer is formed between the upper region and the lower region.

A hopper for the heat treatment of a material contained therein includes a casing with an upper portion, into which the material to be treated is introduced, and a bottom part or lower portion, from which the material is discharged; a diffuser of a process fluid located inside the hopper; a system for introducing the process fluid inside the diffuser; a mixing chamber arranged to enclose at least the lower portion of the hopper externally; a system for introducing the process fluid inside the mixing chamber; and a system that fluidically connects the interior of the mixing chamber with the interior of the diffuser.

The invention discloses drying equipment and a drying method for drying agent production and processing, and belongs to the field of drying equipment for drying agent production and processing, the drying equipment structurally comprises a plurality of drying boxes arranged side by side, a suspended rotary hot air drying and screening mechanism is arranged in a drying chamber, the drying efficiency of a drying agent is effectively improved, and the drying efficiency of the drying agent is effectively improved under the effect of intermittent or continuous rotation. The granular drying agent can continuously change the position in the material drying and screening barrel so as to be heated in all directions; in the drying process, waste materials in the granular drying agent are thrown out through the material drying and screening barrel in a rotating mode and finally fall into the waste material groove opening, recycling and cleaning work of workers is facilitated, and compared with the prior art, the drying machine has the advantages of being low in energy consumption, high in efficiency, low in cost and small in equipment occupied area. And the material drying and screening barrels are connected to the bottom face of the driving base in a magnetic attraction clamping mode, and dismounting or overhauling work of workers is facilitated.

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.

In a process for drying plastic material in the form of granules, powder, etc., dry air is generated using at least one dry air generator, which is passed through plastic material located in a drying hopper. The dry air absorbs the moisture in the plastic material and exits the drying hopper as return air. Using a flow measurement, the actual air volume of the dry air supplied to the drying hopper is recorded and regulated to a target air volume. In addition, the actual total air volume of the dry air exiting the dry air generator is regulated to a target total air volume. At least two drying hoppers are connected to the dry air generator via a dry air line and a return air line. A flow measuring orifice is located in the dry air line, upstream of which is a motor-adjustable control flap.

This invention discloses a dehydration and drying apparatus and method for the production of bromochlorohydantoin, relating to the field of centrifugal dehydration technology. The invention includes a dehydration tank, inside which a centrifuge cylinder is rotatably mounted. Inside the centrifuge cylinder are two sets of pressure rings, with a multifunctional inner disc clamped between the two sets of pressure rings. The multifunctional inner disc consists of two sets of conical discs and a central tube, with the two sets of conical discs symmetrically distributed about the central tube. A sponge liner is disposed between the multifunctional inner disc and the centrifuge cylinder. This invention utilizes the multifunctional inner disc and conduit configuration, employing the alternating raising and lowering of the upper and lower conduits to achieve sponge liner switching. When the upper conduit descends, the sponge liner is twisted together using a bag-tying method, and combined with the use of the pressure rings, initial squeezing and drying of the sponge liner is achieved. Then, hot air is injected through the lower conduit for secondary drying of the sponge liner. This allows for alternating use and drying of the sponge liner, improving dehydration and drying efficiency.

A product according to the invention and a method according to the invention for producing a high-purity particulate silicon material are disclosed. The high-purity particulate silicon material has a relatively small size, a low surface area, and a relatively smooth, rounded shape, making it attractive as a high-purity, high-performance starting material for the production of silicon crystals and silicon wafers made from the silicon crystals. This invention also relates to methods for producing the high-purity particulate silicon material.

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.