Drying (F26)

F26            Drying(7004)

Plant for drying fruit and berries crops using the solar energy // 2615617
FIELD: heating.SUBSTANCE: drying plant cover is made from a selective material and intended for heating of the air and the material in the drying chamber. At the drying plant housing, made of polycarbonate, the access door to the grids is positioned, where the product subjected to drying is placed. The film infrared heaters are hung above and under the grid at a certain height, for example, 10 cm, which is located on the shelves and intended for additional drying of the material. The control panel adjust the supply and exhaust fans switching on and off for the air circulation in the body. The solar panels, located along the cover circle, provide the power supply to the control panel, supply and exhaust fan and film infrared heaters operation. To provide the plant operation during the cloudy days the accumulator battery is provided.EFFECT: independence and mobility of the plant, maintaining the high quality of the dried product.3 dwg

Unit for drying small-fruit crops using solar energy // 2615616
FIELD: heating.SUBSTANCE: drying unit cover is made from a selective material and intended for heating the air and the material in the drying chamber. Loops and hooks are arranged on a drying unit polycarbonate housing for closing the door which is designed for access to nets wherein the product to be dried is placed. Door is retained by fastening on the housing of the drying unit. Film infrared heaters are hung above and under the net at a certain height, for example, 10 cm, located on shelves and intended for further drying of the material.EFFECT: reduced power consumption, enhanced design portability, maintained high quality of dried product.3 dwg

ethod and device for continuous dehydrofreezing of liquid products // 2615553
FIELD: technological processes.SUBSTANCE: method of continuous dehydrozreezing of liquid products, wherein the primary liquid product is heated to the highest probable temperature, is injected into the upper portion of the vacuum chamber through a nozzle with a droplet size of not more than 0.05 mm, which results in a spontaneous freezing of a product due to evaporation of moisture contained in it, then it is feeded into the vacuum drying chamber with an infrared (IR) heater under action of gravity, where the drying of the product is carried out due to ice sublimation therein during lingering of vapours in the countercurrent flow at low temperatures, the dried product is removed from the chamber together with a portion of the vapour stream. Device for method implementing is made in the form of a vacuum chamber positioned vertically and divided into two parts - a vacuum cooling chamber with a spray nozzle installed in its upper part and a vacuum drying chamber with IR-heater installed in it, wherein both chambers are separated against each other by a partition in the form of a funnel with an opening at the center and contain vapour taps connected together by a vacuum line which has an outlet for connection to a vacuum pump.EFFECT: reduced power consumption, improved performance.2 cl, 1 dwg

ethod of safe seed drying in dense layer // 2615350
FIELD: agriculture.SUBSTANCE: invention relates to drying seeds mainly of premium varieties and can be used in agriculture and in the system of purchases. During drying, the seeds are charged in the dryer as a fixed bed with the height of 0.4-0.5 m, are treated with the drying agent with the consumption of 1800-1900 m3/(m2⋅h), cooled and discharged. The temperature of the drying agent is determined by the formula where A is the constant value for each crop; r is the specific heat of moisture evaporation, kJ/kg; α is the heat transfer coefficient, W/(m2⋅°C); f is the specific seed surface, m2/kg; ŋ is the portion of heat used for evaporation of moisture; θpd is the maximum permissible grain heating temperature, °C.EFFECT: use of the invention will enhance the intensity of the seed drying process.1 dwg

Drum dryer // 2615308
FIELD: heating.SUBSTANCE: drum dryer comprises a drum made as a hollow perforated cylinder which is made of a frame consisting of guides covered with a grid, and is rotatably mounted around its longitudinal axis. Hollow perforated cylinder is placed into a thermally insulated housing. Perforated drum is equipped with ring baffles mounted at the ends, baffles are made with perforated sections evenly placed on their surfaces. Heat carryig medium supply pipe line is made with openings, is placed in the drum middle and is made rotatable about a longitudinal axis, and the pipe line openings are located on one generatrix and provided with tubes with the open ends facing the bottom of the drum. Loader unit communicates with the drum cavity through the center opening of the drum ring baffle, and discharge unit is designed as a folding surface of grid portion with a locking mechanism.EFFECT: simplification of drying process, expanded range of dried particulate materials and higher product quality by reducing abrasion of its particles.2 dwg

Drying system at room temperature // 2615305
FIELD: machine building.SUBSTANCE: invention relates to drying system at room temperature, essentially containing internal drying chamber, external chamber with temperature drop, more than one trolley for dried product inside internal drying chamber, air conditioning device installed on wall in external chamber with temperature drop. Internal drying chamber temperature is controlled by air conditioning device by 2 degrees Celsius higher, than in external chamber with temperature drop, and due to warm air flow from heating element inside internal drying chamber, blowing wet products, to be dried, and high air humidity inside internal drying chamber moisture will condense on cool metal surrounding wall and metal upper wall, wherein condensation water falls by drops into water discharge groove and removed, thus achieving products drying target.EFFECT: invention provides continuous drying at room temperature for preservation of dried products good characteristics and quality.11 cl, 5 dwg

Oscillating grain drying technique // 2615289
FIELD: agriculture.SUBSTANCE: oscillating method of drying grain is when the grain is loaded, gravitationally moved, periodically purged with the high-temperature drying agent, cooled and discharged. What is new is the fact that low-temperature drying agent is continuously supplied, the temperature of the grain at the end of the heating period and at the end of the cooling period is determined by the calculation formula. As a low-temperature drying agent, low-calorie combustion products are used.EFFECT: reduced costs.1 dwg

ethod of ceramic products drying // 2615201
FIELD: heating.SUBSTANCE: drying is carried out in a drying chamber, equipped with an automated process control system (APCS) drying to constant control of time-varying state product raw via immersed in the product, raw local conductometric sensors and automatic control using the control system of the drying process by submitting to the drying chamber acceleration or deceleration drying drying agent component. Conductivity sensors are immersed in the superficial, intermediate and middle layers of the product raw, include the supply of a drying agent, recorded decreases with drying electrical currents between the sensor electrodes, normalized current values of the currents at their initial value, logs drying process dependence of the normalized values of the currents from the drying time , and compare the difference between the observed sensor readings with the occurrence of defects in the product and experimentally determine the allowable defect-free drying for maximum difference of sensor readings, with providing defect-free drying of the differences of the sensors make the program automatic control of the drying process. The controlled drying is carried out of raw products in the drying chamber with the control system, working on drawing up a pilot program of control of the drying process.EFFECT: increase the speed and quality of ceramic products drying, reduced the marriage, energy and time costs, productivity gains in the production of ceramic products.4 dwg, 2 ex

ethod of biomass torrefication including cooling step of torrefication reaction // 2615169
FIELD: chemistry.SUBSTANCE: invention discloses a torrefication method of dried and heated biomass, comprising the step of cooling of the said biomass during the torrefication reaction in the torrefication area of the torrefication unit so that at least partially neutralize the increase of temperature in the torrefication area arising from the exothermic torrefication reactions in the torrefication area , where the said biomass is wood biomass from fir tree or eucalyptus. Also the torrefication unit is disclosed.EFFECT: invention provides precise control of the torrefication temperature, which is critical for thorough control of quality and properties of burnt material.16 cl, 3 dwg

ethod of heat recycling and recovery in flour milling using vapor compression heat pump // 2614805
FIELD: agriculture.SUBSTANCE: wet grain is preliminary heated, dried, cooled, fed to the storage with further feed into the preparatory department of the flour milling plant to extract impurities and clean the surface of the grain, followed by moisturizing, binning and grinding in thegrinding mill. Then the mixture of the processed drying agent is fed after drying, cooling and storing of grain into cyclone cleaner for cleaning from contained suspended solid particles, followed by further feeding of the mixture into evaporator of vapor compression heat pump for cooling and drying. The drained mixture is divied into three streams, one of which is initially fed into the heat exchanger, then into the condenser of vapor compression heat pump and further into the shaft grain dryer, the second stream is fed into a cooler for cooling the grain after drying, and the third stream is fed for the active ventilation of the grain during its storage in tankers. The resulting condensate is disposed from the evaporator of vapor compression heat pump into the intensive moisturizing machine, water is cooled in the heat exchanger, used for heat removal from a fast-rotating roller of the grinding mill, which is released during grain grinding. Waste water is returned for cooling along the recirculation loop after the grinding mill.EFFECT: improved flour quality.1 dwg

ethod for drying seeds // 2613466
FIELD: agriculture.SUBSTANCE: material is loaded, circulated, periodically laid and affected by heated and unheated drying agent, dried, cooled and discharged. The duration of exposure the material to the heated and unheated drying agent is calculated based on the mass transfer conditions for the dehydration area. Wherein the auger performance is directly proportional to the capacity of the drying chamber and inversely proportional to the ventilation cycle duration.EFFECT: increased drying efficiency.1 dwg, 1 ex

Dryer for granular materials // 2613217
FIELD: agriculture.SUBSTANCE: invention relates to drying machinery and can be used for the drying and treatment of oil seeds in order to prepare them for food and fodder purposes. In the design of the dryer for granular materials, containing the drying chamber made in the form of the sections for drying material in the fluidized bed and for binning, the novelty lies in the fact that the section for drying the material in the fluidized bed is located above the binning section in the vertical plane, wherein the fixed gas distribution grid is attached under an inclination in the section for drying the material in the fluidized bed; after the section for drying the material in the fluidized bed and in front of the section for the two-stage mixing the material with the antioxidant a hopper is installed, connected with two outlet pipes to the inlet pipes of the mixers with small and large performance, wherein the shutter, movable in the horizontal plane, is provided over the hopper outlet pipes, made in the form of the frame, the inner area of which is closed by a flat sheet so that moving the shutter from one extreme position to the other allows the adjustment of the material feeding from the section for drying the material in a fluidized bed into the mixer of large performance from 50 to 100% of the total amount of the material directed to the section of the two-stage mixing; the gas-supplying boxes are equipped with dampers for supplying warm and cold air, respectively, into the section for drying the material in a fluidized bed and into the binning section.EFFECT: invention allows to intensify the process of obtaining the finished product.2 ex
Screed unit // 2612685
FIELD: machine engineering.SUBSTANCE: device can be used, for example, in secondary production, namely when drying beet pulp, fiber, peanuts, legumes and other various products prone to chip or pre-grinding. Screed unit is made as a screed shaft with purification device and fingers, which are mounted on a screw surface.EFFECT: invention is reliable and easy to use, requires no additional equipment and devices for controlling and synchronizing the operating units.2 dwg

Dryer for suspension bed with passive nozzle // 2612486
FIELD: heating.SUBSTANCE: dryer for suspension bed with passive nozzle, containing a housing with a gas distribution grid in the form of grid package, assembled from the springs, arranged in one plane and connected with the vibrating plates, acoustic nozzle, vibration mechanism, configured in the form of plates, mounted in the dryer housing with ability to rotate about the axes, and in the lower part of the housing there is capturing system, including the acoustic unit, where the acoustic agglomeration of fine particles is carried out, a cyclone and a baghouse with a hopper. The passive nozzle is performed as a cylindrical ring, on the side, the inner and the outer surfaces of which the helical thread in the opposite directions is made, or in the form of a ball, on the surface of which there are non-through holes of hemispherical shape, or in the form of cylindrical ring, on the side, the inner surface of which the partitions perpendicular to the axis of the ring washers with holes are fixed, which axes are asymmetrical to the ring axis, or in the form of a block inserted into a circle, consisting of interconnected side faces of hexagonal parallelepipeds without upper and lower bases.EFFECT: increase of the drying performance.8 dwg

Air-screw device for cleaning and drying bulk materials // 2611836
FIELD: agriculture.SUBSTANCE: invention relates to agricultural machinery industry. The air-screw device for cleaning and drying bulk materials comprises a housing with a rotatable screw mounted inside it, a receiving-loading device, an inlet and an outlet pipes and a hopper for cleaned grain. The housing is a tube with a diameter allowing free rotation of the screw. The lower part of the housing between the receiving-loading device and the opening for outputting clean grain is formed as a perforated surface with a diameter of the openings smaller than the processed material. A heating element is mounted in the inlet pipe for heating the air used to dry the processed material. The suction fan is mounted in the lower part of the housing directly under the outlet pipe.EFFECT: invention provides efficient processing of bulk materials.1 dwg

ethod of drying of heat-labile materials // 2611545
FIELD: technological processes.SUBSTANCE: thermolabile materials are first shredded in a shredder 8 down to a predetermined value. Then materials are supplied into the mixer 9 where they are mixed with the substance conformally coating the particles of heat-labile materials, in the amount sufficient for conformal coating. The possible coating material is dry starch or liquid dextrin. During rotation of the screw 5 in particles of coarse vegetable raw material in the outlet 3 in the gap between the rings 6 and 7 the shear stresses occur in combination with pressure, temperature and vapour action. An additional grinding of heat-labile materials with high rate of bond splitting. After the process of conformal coating of materials with starch the evaporation will take place through the film of dextrin and simple sugars without oxygen access.EFFECT: protection from oxidation of active medicines.1 dwg

ethod of drying of heat-labile materials // 2611528
FIELD: technological processes.SUBSTANCE: thermolabile materials are supplied in atomized form through nozzles 1, while through the nozzles 2 the substance conformally coating the particles of dried heat-labile materials, the possible ones can be, for example, starch (in powder state), or aqueous solution of dextrin, placed one opposite another in acceleration pipes 3 supplying the heat carrier. Downstream of the nozzles the swirlers are installed for swirling of jets of atomized materials in opposite directions. The conformal coating substance sprayed by the nozzle 2, is sprayed as a mist. For turbolizing gas suspension flows through the nozzles 4 arranged tangentially to the chamber 5 the heat carrier is additionally supplied, so that additional heat carrier flows also twirled in directions of twirling of respective jets of the material to be dried. The gas suspension jets are collided in the center of the chamber 5 and through the nozzles 6 fitted with external heating for final drying of the material supplied into the cyclone 7. Due to the conformal coating effect of the substance supplied by the nozzle 2, the oxidation of active substances of heat-labile materials is virtually eliminated.EFFECT: protection from oxidation of active medicines.2 dwg

ethod for drying grain // 2611164
FIELD: agriculture.SUBSTANCE: invention relates to a method for drying grain of different crops. Grain drying method consists in spreading grain along a surface in one solid layer, the height being maximum one layer. Then the surface is divided into an even number of sections, while the odd-numbered sections are heated. Grain is continuously turned over. Air is passed through the layer of grain only at even-numbered sections, its temperature being 16…25 °C and relative humidity – not more than 60 %.EFFECT: use of contact grain heating method and alternation of cycles of heating and cooling provides a higher quality of drying.1 cl, 1 dwg

Gas distribution device in shaft grain dryer // 2610781
FIELD: agriculture; machine building.SUBSTANCE: invention relates to agricultural machines building, specifically to fodder, seed grain drying machines and can be used at grain threshing-floors and procuring enterprises. Present invention can be used for various technical crops seeds drying, as well as various loose materials in other branches of industry. Gas distribution device in shaft grain dryer includes drying, feeding and discharge chambers, as well as supply and discharge conduits or half-conduits arranged in drying chamber in alternating lines, supply conduits are connected with feeding chamber by open end surface, and discharge are with discharge, located on drying chamber opposite side, device components dimensions are determined depending on each conduit inlet channel “b” width by following relations: distance between conduits in each horizontal line: b1=(1.9–2.1)b, maximum conduit width b2=(1.6–1.7)b, distance between conduits by shaft height: b3=(1.85–2.05)b, conduit upper part height b4=(1.5–1.6)b, conduit lower part height b5=(0.45-0.48)b, according to invention conduit length b6 is made from ratio b6=(18–21)b. Gas distribution by proposed device is implemented as follows.EFFECT: increasing efficiency, grain dryer dimensions reduction by shaft height reducing, reduction of bucket conveyors height, increasing of shaft grain dryer stability, reducing transportation costs, as well as installation costs and result is reduction of product total cost.1 cl, 4 dwg

Vortical spray dryer with inertial nozzle // 2610633
FIELD: heating.SUBSTANCE: vortical spray dryer consists of a drying chamber of cylindrical form with chordal placed nozzles for coolant supply, which axes are arranged tangentially to an imaginary circle, and a sprayer mounted on the axis of the chamber, at that the drying chamber is designed in form of two series-connected cylinders of different diameters, the smaller of which is 1.0…1.5 of above mentioned imaginary circle diameter. At least two slotted nozzles, located on the inner wall of a large cylinder, are provided in the dryer, wherein the nozzles are arranged in the header, connected by pipelines to the header for supplying heated gases and directed tangentially to the large circle of the cylinder at the contact point of the header to the inner wall of the large cylinder. There are two perforated gratings in the large cylinder of the dryer, between which there is the inertial nozzle. The inertial nozzle is designed in the form of cylindrical ring, on the side, inner and outer surfaces of which there is the screw thread, made in the opposite directions, or in the form of a ball, on the surface of which there are non-through holes of hemispherical shape, or in the form of a ring, on the outer surface of which the helical surface is made in the form of a plate screw, or at least in the form of a three-bladed propeller.EFFECT: increase of the drying performance.6 dwg

Vortical evaporation-drying chamber with inertial nozzle // 2610632
FIELD: heating.SUBSTANCE: vortical evaporation-drying chamber with inertial nozzle contains placed in the common housing the evaporative and drying chambers with the gas supply and discharge pipelines, as well as the filtering heat-exchanger, implemented as a nozzle from boiling bed of inertial bodies. The sprinkler is situated above this nozzle. The sprinkler is designed as a header with control throttle of primary solution supply, rotating on bearings. Exhaust ash-laden gases are pre-treated in acoustic plant, and then gas flows to the cyclone with a silo, where the main part of gas-entrained dry material is released. The final cleaning of gases is taken place in sleeve filter with silo. The nozzles are designed in the form of acoustic nozzles. The resonator is designed in the form of at least one spherical cavity, or the resonator may be designed in the form of toroidal cavity. The inertial nozzle is designed in the form of cylindrical ring, on the side, inner and outer surfaces of which there is screw thread, made in the opposite directions, or in the form of a ball, on the surface of which there are non-through holes of hemispherical shape, or in the form of a ring, on the outer surface of which the helical surface is made in the form of a plate screw, or in the form of at least a three-bladed propeller.EFFECT: increase of the drying performance.6 dwg

Boiling bed spray dryer with inertial nozzle // 2610628
FIELD: heating.SUBSTANCE: boiling bed spray dryer with inertial nozzle contains a housing with a gas distributing lattice, vibrating plates, nozzle, vibration mechanism in the form of plates, installed in the dryer housing, so that it can rotate against the axes. The additional plates of different lengths are rigidly fixed at the vibrating plates in the staggered pattern and positioned at the angle varying within, for example, 80…40°. The free tops of additional plates at the right vibrating plate are directed upwards, whereas those tops located near the left vibration plate are directed downwards. There is the capture system at the bottom of the housing, including the acoustic unit, the cyclone and a baghouse with hopper. The nozzle is made acoustic and has resonator, designed in the form of at least one spherical cavity, located in the end wall of the housing, facing the distributor head. The form of the inertial nozzle, placed in the drying chamber housing, is designed as a cylindrical ring, on the side, inner and outer surfaces of which there is screw thread, made in the opposite directions, or in the form of a ball, on the surface of which there are non-through holes of hemispherical shape, or in the form of a ring, on the outer surface of which the helical surface is made in the form of a plate screw, or at least in the form of the three-bladed propeller.EFFECT: increase of the drying performance.5 dwg
Loose grain materials drying device // 2608015
FIELD: agriculture.SUBSTANCE: invention relates to agriculture. Grain drying device includes cylindrical casing 1, loading bin 3, discharge opening 4, air duct 6 and fan 12. Heating elements 9 are arranged on casing 1 outer surface under heat-insulating material 2 layer between loading bin 3 and discharge opening 4. Inside casing 1 coaxially with possibility of rotation transporting screw 5 is arranged with hollow shaft and perforated turns 19 with perforation diameter, not exceeding minimum grain size. Casing is made compound. Casing 1 component parts are separated by rings 8 from heat-insulating material. In air duct 6 between casing 1 and fan 12 heating element 11 is arranged. Casing 1 is installed on supports 7 with possibility of its inclination angle varying relative to horizontal line and fixation in specified position. Inside screw 5 hollow shaft there perforated cup 18 is arranged. On screw 5 hollow shaft inner surface perforated turns are made with pitch, equal to outer turns 19 pitch.EFFECT: increasing device operation efficiency due to more complete use of its inner volume.1 cl, 2 dwg
ethod for pulse drying of timber // 2607923
FIELD: wood working industry.SUBSTANCE: invention can be used in woodworking to perform pulse drying of boards and hardwood. Method for pulse drying of timber includes preliminary heating of material, drying, carried out in cycles, alternating between the Operation and Pause modes, which is followed by additional conditioning; preliminary heating and additional conditioning after drying are performed in cycles, alternating the Operation and Pause modes, wherein the duration of the Operation and Pause modes at all stages is set subject to the characteristics of dried material and required quality parameters, and the drying process is performed with gradual increase of temperature in the Operation mode until the end of the drying process, wherein during the process of preliminary heating and conditioning the temperature is gradually increased when the energy carrier is supplied in the heater and the heated air is circulated in the drying volume.EFFECT: higher efficiency, improved quality of dried material.1 cl, 3 tbl, 3 ex

Fluidised bed granulator // 2607445
FIELD: chemistry.SUBSTANCE: invention relates to drying solutions, melts, suspensions and production of granules of different substances and can be used in microbiological, food, chemical and other industries. Fluidised bed granulator comprises a drying chamber. Each pneumatic sprayer comprises a body with supply of sprayed initial material and air, a jet-guiding device and a sprayer, body is made in form of an inverted cup, in bottom of which there is a threaded hole for attachment of axially symmetric body of central cylindrical insert, to inner side surface of housing, in its lower part, is fastened a cylindrical sleeve of jet-guiding device for air supply under pressure to sprayer via annular gap, formed by outer surface of central cylindrical insert and inner surface of sleeve, wherein annular gap is connected to annular chamber, and to central cylindrical insert is coaxially fixed a sprayer, made in form of a conical flared end, in lower part of which, perpendicular to its axis, is rigidly attached an end round plate with at least three conical throttling holes with apex angle of cone, lying in range from 45° to 90°, on side surface of flared end there are at least two rows of cylindrical holes, with axes in planes perpendicular to axis of flared end, and in each row there are at least three holes, jet-guiding device for air supply under pressure to sprayer there is a screw, and is formed by circular screw gap, formed by outer surface of central cylindrical insert and inner surface of sleeve, on which there are helical grooves, wherein helical gap is connected to annular chamber, and inner surface of cylindrical throttling holes, with their axes lying in planes perpendicular to axis of flared end, is helical.EFFECT: technical result is improvement of drying efficiency.1 cl, 2 dwg

Device for drying of slabs or blocks of plaster or gypsum concrete // 2607434
FIELD: construction.SUBSTANCE: invention relates to the field of construction, in particular to devices for drying building materials having an open porous structure, slabs or blocks of plaster or gypsum concrete, without application of heat. Device for drying of slabs or blocks of plaster or gypsum concrete, without application of heat, having an open porous structure includes guides on which the base plates with the working body, press plates actuated from the rod of the working body are mounted as well as purge plates, seals forming a sealed air cavities between the slab or block and purge plate and a mechanism to return the purge plates in the original position. In the device a single plate or block by its two faces of largest area is adjacent to the seals located on the purge plates forming two sealed air cavities into which compressed air is supplied with pressure sufficient for intense squeezing of water of solid and hollow slabs or blocks including alternating them in the device in any sequence, wherein movement of the compressed air flows is directed towards each other.EFFECT: technical result of the invention is to increase the performance of the device with the possibility of simultaneous drying of large number of slabs or blocks.4 cl, 5 dwg

Device for preparation of dry thermolabile biological materials // 2607148
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology, namely to production of biomass for preparation of dry powder forms of immunobiological preparations, in particular drying (dehydration) of liquid thermolabile biologically active materials in multi-component mixture, their grinding and mixing till formation of homogeneous mass, and can be used in pharmaceutical industry for production of powders and tableted drugs for preventing and treating infectious diseases in human and animals. In case of device there is neck with rotary perforated damper, which combines functions of material loading and unloading. On neck of device case there is retainer with wedge-like locks for tight connection to expander-trap, intended for connection to vacuum system, and to catch particles of dried material and return them to working zone of device. Device is installed horizontally on support frame, design of which provides possibility of rotation of device case relative to horizontal axis through 180° and fixing its position with upper and lower orientation of the neck consequently. Cooling water jacket covers 3/4 of working side surface of cylindrical case of device. Device allows to perform in one cycle drying of thermolabile biological material under vacuum conditions at optimum temperature conditions and observing aseptic measures of process and preparation of homogeneous powdered mass by mixing obtained dry material with components of filler.EFFECT: technical result of invention is creation of tightly closed device design combining functions of drier and mixer-grinder, which makes it possible to intensify process of drying of liquid thermolabile biological materials, reducing their thermal inactivation and probability of contamination of external microbiological flora.1 cl, 1 dwg

Device for temperature control of motor vehicle bodies // 2607117
FIELD: equipment and accessories for vehicles.SUBSTANCE: invention relates to a device for temperature control of motor vehicle bodies, primarily for drying of motor vehicle bodies with applied coating. Device for temperature control of motor vehicle bodies, primarily for drying of motor vehicle bodies (9) with applied coating includes housing (2), tempering tunnel (7) in the housing, at least one pressure chamber (5, 6) in housing (2) and separated by wall (3, 4) from tempering tunnel (7), set of nozzles (10, 11) in wall (3, 4), and air tempering unit which introduces tempered air into the pressure chamber (5, 6) in such a way that tempered air flows in through nozzles (10, 11) into the tempering tunnel (7) and acts on vehicle body (9). At least one nozzle unit (14, 15) is oriented and has a range that is wide enough, such that the air stream exiting the nozzle unit passes through an opening in vehicle body (9) on the side facing nozzle unit (14, 15) and acts on an inner face of the vehicle body (9) on the opposite side. According to the invention at least one nozzle unit has flow-directing elements movable in their cross section so that the direction of nozzle unit ejection is variable.EFFECT: invention must reduce the time motor vehicle bodies spend in the tempering tunnel with provision of proper action by warm air at massive body areas from inside and outside providing simultaneous prevention of overheating of the body in other areas.4 cl, 10 dwg

ethod and arrangement for efficient torrefaction of biomass // 2605416
FIELD: wood-working industry.SUBSTANCE: invention discloses a method for torrefaction of wood chips, comprising steps of: a) heating wood chips in at least one heating zone such that temperature of wood chips reaches a torrefaction temperature in range of 240-400 °C; and b) torrefying heated wood chips from step a) in a separate torrefaction zone by maintaining temperature within torrefaction temperature range, wherein heated wood chips from step a) are fed to torrefaction zone at its top, and torrefied material is withdrawn from torrefaction zone at its bottom, such that wood chips move downwards through torrefaction zone by means of gravity, wherein separate torrefaction zone is not externally heated; torrefaction temperature is controlled by measuring surface temperature of wood chips using a first infrared thermometer in upper part of torrefaction zone and a second infrared thermometer in lower part of torrefaction zone; and temperature is maintained within torrefaction temperature range by controlling amount of air or oxygen, fed into torrefaction zone. Also disclosed is a device for torrefaction of wood chips.EFFECT: technical result is developing an energy-efficient torrefaction process, in which torrefaction temperature control is performed by feeding a controlled amount of air or oxygen into torrefaction zone.12 cl, 4 dwg

Grain drying device // 2605274
FIELD: machine building.SUBSTANCE: invention relates to agricultural machine building, particularly to grain drying devices. Grain drying device includes cylindrical casing, which outer surface is coated with layer of heat-insulating material, loading bin, discharge opening, working element coaxially installed inside casing with possibility of rotation transporting, heating elements arranged on casing outer surface under heat-insulating material layer between loading bin and discharge opening, as well as fan. Transporting working element includes interconnected helical screw and auger. Helical screw is installed on loading bin side. Auger is installed on discharge opening side. On casing end surface inside helical screw hollow cylindrical barrel is installed. Fan is installed inside barrel. On casing end surface from loading bin side and at cylindrical barrel end face openings are made.EFFECT: invention must ensure improvement of finished product quality.1 cl, 1 dwg

Drum for preparation of materials to grinding // 2604976
FIELD: technological processes.SUBSTANCE: invention relates to drying and grinding of materials (clay, chalk, dolomite crushing wastes, gypsum, slag, talc, etc.) and can be used in construction, machine building, agricultural and other industries. Invention includes direct-flow drum with discharge chamber and system for holding of dried material in area of torch burning, burner device connected to the drum via air suction chamber with annular slot and charging tube, burner, which exceeds the rated power of not more than 1.5 times, smoke exhauster, also exceeding calculated characteristics of not more than 1.5 times, control cabinet with software. Burner for burning device operates in cyclic mode, wherein power and time of cycle are selected depending on properties of material prepared to grinding.EFFECT: considerable reduction of costs for drying and grinding of materials, higher efficiency and quality of produced as a result of processing of materials.1 cl, 1 dwg

Device for drying disperse high-humidity materials // 2603225
FIELD: technological processes.SUBSTANCE: invention relates to drying, heat treatment of disperse high-humidity materials and can be used in food, chemical and other industries. Apparatus includes tight chambers connected to each other: chamber of vibrofluidised bed and chamber of fluidised bed, and atmospheric pressure and low pressure steam superheaters. Atmospheric pressure and low pressure steam superheaters are installed on outer side of chambers of vibrofluidised bed and fluidised bed, respectively, and are connected thereto by separating shutters, chamber of vibrofluidised bed is additionally equipped with a box for removal of waste atmospheric pressure superheated steam with built-in control shutter, wherein box is connected to low pressure steam superheater, and grid of vibrofluidised bed chamber is installed with possibility of adjusting inclination angle; inside chambers at full width there are spring-loaded inclined inserts, fixed pivotally with possibility of rotation, turning angle of which exceeds angle of natural slope of material, wherein lower edges of inclined inserts are arranged with identical gaps over grids for unobstructed movement of material over surface of said grids.EFFECT: invention must improve quality of dried material and reduce specific energy consumption of drying process.1 cl, 1 dwg

ethod of disperse (bulk) materials continuous drying inside vertically mounted rotating container, heated from outside by radiation // 2603212
FIELD: thermodynamics.SUBSTANCE: invention relates to thermodynamics in terms of radiative heat exchange and to drying technology. In method of dispersed loose materials continuous drying inside vertically installed container it is heated from outside by radiation, and container is made perforated or from mesh and rotated relative to its fixed geometrical axis, and inside container pipe with radial blades on its outer surface is placed, coaxially to it and fixed with gap relative to container bottom and wall, wherein wet loose material is continuously supplied inside pipe, dried loose material is pneumatically removed from container. Container is made in form of thin-walled truncated cone installed vertically with smaller base downwards with obtuse angle between opposite generatrices of more than 100°, normally directing radiation on its side surface, and in lower cone opening thin-layer solid bottom in the form of segment of sphere of fluoroplastic convex part downwards is fixed relative to container, resting container on same shape fixed thrust heel, nine linear radiators of limited length, each in its reflector, are located stationary around container with uniform gap relative to it along generatrices and to each other, creating normally directed to container radiation flux in near infrared region, besides, flat blades fixed on pipe are made trapezoidal in plane, located along pipe in three uniform rows.EFFECT: invention shall provide high uniformity of container side surface heating, method operation implementing device mounting and servicing.1 cl, 4 dwg

ethod for indirect heat drying of disperse material, method of producing cleaned coal, device for indirect heat drying, and device for producing cleaned coal // 2603209
FIELD: chemistry.SUBSTANCE: present invention relates to method and device for indirect heat drying of disperse material, method and device for producing clean coal. Method and apparatus for indirect heat drying of disperse material uses two dryers for indirect heat drying. Method involves: step (A), in which dispersed material is dried in a first dryer for indirect heat drying; and step (B), in which dispersed material is further dried in a second dryer for indirect heat drying, to obtain dried disperse material. Method for indirect heat drying of disperse material is characterised by that it additionally includes a step (C), which comprises extracting first microparticles contained in gas-carrier taken from first dryer for indirect heat drying, and mixing with disperse material fed into stage (B); and a step (D), which comprises extracting second microparticles contained in gas-carrier taken fro second dryer for indirect heat drying, and mixing with dried disperse material obtained at step (B). Method of producing clean coal includes a step (α), which comprises mixing dispersed porous coal with oil to form a suspension of raw material, step (β), where suspension of raw material is heated to form a dehydrated suspension, step (γ), which comprises separating dehydrated suspension into porous cleaned coal and oil, and step (δ), where separated porous cleaned coal is dried, wherein step (δ) employs a method for indirect heat drying of disperse material according to claim 1 or 2 or 3. Device for producing clean coal comprises a mixer, heating device, device for solid phase-liquid separation and drying device, which is a device according to claim 5.EFFECT: invention shall provide stability of balance between pressure of carrier gas.6 cl, 3 dwg
ethod of producing polymer powder coatings on articles of complex geometrical shape // 2603153
FIELD: materials.SUBSTANCE: invention relates to methods of polymer powder coatings application with combined thermal treatment thereof at surfaces of products of complex geometry. Method of producing polymer powder coatings involves application of powder compositions as thermosetting, and thermoplastic in electrostatic field on article surface. That is followed by heating the deposited layer up to melting of the particles and their spreading on article surface and baking the coating. Then, applied layer is heated by infrared radiation with simultaneous blowing of the product with hot air flow in a closed volume. After formation of viscous-current layer, article surface is additionally exposed to infrared radiation until baking temperature for this type of the polymer composition. IR-radiation is scanned along the whole surface of the article. After disconnection of infrared radiation in response to electronic control unit of operation mode parameters of the process the article is additionally subjected to near infrared radiation up to final baking of the coating.EFFECT: invention technical result is possibility of reducing stage of formation of polymer powder coatings and their quality increase on articles of complex geometrical shape.7 cl

ethod of drying inside fixed capacitor with two bottoms installed vertically, height of which is greater than width of base // 2602659
FIELD: heat engineering.SUBSTANCE: invention relates to heat engineering, particularly, to heat exchange by radiation and convection, as well as to drying technology. Method makes it possible to automatically dry bed sheets, lower and upper clothes, shoes, loose products or materials. In drying method material to be dried is placed inside a container, one above another in containers, to create heated air flows inside container, heating inside container from lower bottom, which is heated with directionally-focused radiation in near-infrared region outside, thus controlling temperature and flow rate automatically, after drying material is removed from container. Lower bottom of container is made of two parallel and located one above other meshes without gaps, wherein size of cells of upper mesh is initially smaller than same size of lower mesh, furthermore, in upper bottom there is a through central hole, in which is inserted a pipe with two fans coaxial to pipe, and air inside container is either continuously drawn outside from container via through axial hole in upper bottom, or air is continuously inside container from outside through said hole, or air is locked inside container, setting and controlling specified air temperature inside container.EFFECT: invention ensures broader functional capabilities of drying process - in same container drying of disperse loose materials, bedding, clothes and shoes, reducing power consumption, easier maintenance, reducing labour intensity of drying.1 cl, 12 dwg

Rotor apparatus for production of dried fruit and vegetable products and chips // 2602646
FIELD: food industry.SUBSTANCE: invention relates to equipment for vet-heat treatment of vegetal raw material and can be used for producing chips, as well as dried fruit and vegetable products from apples, pears, carrots, beet roots and other vegetable raw material and root crops. Body of the rotor device includes two coaxial cylinders with a circular channel between them; channel forms the working area of the apparatus and is separated with partitions into working sections that have slots and ensure the possibility of moving the cassettes with product and drive disc; outer surface of inner and inner surface of outer cylinders are equipped with guides for the cassettes installed with possibility of moving along the sections of the circular channel; wherein the inner guide is made in the form of roller bearings and the drive disc serves as the outer guide and support; there are slots to provide movement of the cassettes with the product between the said sections and working area of the sections in the external cylinder of the body; convection drying section has a heat carrier recirculation loop, a pipeline, which is located inside the inner cylinder of the body, microwave drying sections are equipped with heat carrier recirculation loops that are partially located inside the inner cylinder of the body; cassette for products is single-and/or multilayered, there is a toothed rim in its upper part; said toothed rim engages with gear rim that is located on the outer surface of the inner cylinder of the body.EFFECT: invention shall ensure stage-to-stage implementation of combined convective - microwave drying process while considering kinetic laws of the process and possibility of changing the total time.1 cl, 11 dwg

Drying plant for vegetal and animal origin products // 2602472
FIELD: machine building.SUBSTANCE: invention relates to agricultural machine building and can be used in agriculture, food, pharmaceutical and other industries for efficient drying of vegetal and animal origin products. Drying plant has form of racks open on all sides and includes at least two coupled identical structural units arranged one above another. Structural unit includes four posts with tray and infrared radiators attached to them at corners. Each higher structural unit is installed with possibility to displace relative to lower structure unit to control distance between trays by height; for this purpose coaxial openings are made with lock pin installation in them for fixation on required distance depending on dried product moisture content and size.EFFECT: invention shall ensure vegetal and animal origin products quality drying.1 cl, 3 dwg

Shf-drying chamber with circular waveguides // 2602030
FIELD: wood-working industry.SUBSTANCE: invention relates to equipment for drying large-sized timber and can be used in forest and wood-working industries for drying of rounded and construction of logs, sawn bars, in making log houses. Drying chamber consists of fixed horizontally on the frame of the cylindrical casing with ring-shaped waveguides for microwave fields from two-step magnetrons and tubes with condensate drain for moisture removal from the body, cover with the end face of housing for loading into timber. Waveguides have approximately the magnetron swinging screens for providing of pulsation of the microwave field, are arranged along the length of the housing and turned relative to each other at a certain angle, ensuring absence of concentration of the microwave field in timber and charring. Positive effect is achieved by pulsation (change in value) of the microwave field and variable relative to timber its direction, secured by turning the waveguides relative to each other along the circumference of the body.EFFECT: invention shall ensure higher efficiency, reliability, quality of drying timber and reducing of drying time.1 cl, 3 dwg

Bin device for drying and active ventilation of loose materials // 2601778
FIELD: agriculture.SUBSTANCE: invention relates to convection drying and active ventilation of disperse materials, for example grain, in a dense layer and can be used in agriculture and other industries. Inner cylindrical wall of drying chamber and feed boxes are perforated, and the size of the latter is selected provided that there is a channel between the those and external cylindrical wall of the drying chamber, said channel having constant cross section in the direction of grain movement.EFFECT: invention increases uniformity of gas distribution in drying space, reduces energy consumption and increases efficiency of equipment.1 cl, 2 dwg

Tube drier // 2601334
FIELD: oil industry.SUBSTANCE: invention can be used in oil refining, petrochemical, chemical and gas industry. Tube drier - horizontal tube shell includes a housing, heat exchange tubes, loading and unloading chambers, drive, nozzle for inlet and outlet of raw material, product, heat carrier. One end of tube shell is connected to a distribution chamber, other end to a separation chamber, and inside heat exchange tubes there are rotating flexible metal spirals, to ends of which are rigidly fixed: on one side - pipes with slots, on other - metal rods fixed in bearings of cover of separation chamber, wherein tubes with slots are arranged in distribution chamber and are connected by means of gear transmission with drive.EFFECT: invention shall provide high heat transfer efficiency due to direct contact of flue gases with raw material in pipes with intense mixing of product by rotating flexible metal spirals and effective heat exchange in flue gases flowing around pipes in counter flow in annular space.1 cl, 4 dwg

ethod and device for heat supply and recovery of heat energy in vacuum machine of dehydration and drying // 2601082
FIELD: energy.SUBSTANCE: invention relates to systems for transfer of heat energy in vacuum dehydration and drying machines and a method of supply and heat energy transfer in vacuum drying machines, evaporating machines and devices of low-temperature vacuum dehydration of various materials and can be used for processing and recycling wastes of poultry and pig-breeding farms, plants producing alcohol, beer, as well as in food, medical, microbiological and other industries. Method of heat supply and recovery of heat energy in a vacuum machine of dehydration and drying includes pumping off the chamber down to a pressure below the atmospheric value, mixing and displacement of initial material in the chamber, collection, drainage and removal of condensate, conductive heat supply to the initial material. Novelty is that mixing is carried out with fine particles extracted during dehydration of the initial material, and heat energy, which accompanies the process of cleaning, performs maintenance of the mode in the process vacuum chamber. Inside the vacuum chamber there are built-in devices for cleaning steam from impurities consisting of fine particles of the initial material transferred via a steam line to the compressor, made in the form of coaxially connected narrowing and expanding parts, on the inner surface of which there are helical grooves and a circular groove at the outlet hole.EFFECT: technical result is reduction of heat energy losses due to improved conditions of operation of the compressor, the system of dehydration and drying of initial material.2 cl, 3 dwg

Safe seed drying method // 2601071
FIELD: agriculture.SUBSTANCE: invention can be used in agriculture. Safe seed drying method comprises loading seeds, ventilating them with a drying agent, cooling and unloading.EFFECT: novelty is that the speed of the drying agent is limited by a value defined by the calculation formula depending on a heat release factor.1 cl

ethod of shf-drying girasol // 2600975
FIELD: agriculture.SUBSTANCE: invention relates to drying agricultural products, mainly girasol, and can be used in agriculture and in medical industry. Method of SHF-drying girasol comprises washing, cutting, putting tubers in the furnace with the layer height not exceeding half of the depth of SHF-flow penetration, removal of evaporated water by free convection, and calculating the drying duration by the calculation formula.EFFECT: technical result of the invention is higher quality of drying and reduced power consumption.1 cl, 1 dwg

ethod of heating a rotating drying thin-wall cylinder by radiation from inside, for example, for a slashing machine // 2600660
FIELD: pulp and paper industry.SUBSTANCE: invention relates to technology of cylinder (drum) drying of long-length thin-layer materials (TLM) used in textile industry; for paper and cardboard production; for curing conveyor, card and cord bands in rubber production, for heating and drying in production of film polymer (thermoplastic) materials. For example, artificial and synthetic leather. Materials which touch and (or) envelope heated rotating cylindrical surfaces of the drying cylinder during heating and/or drying. Method of heating a rotating drying thin-wall cylinder by radiation from inside, for example, for a slashing machine, in the metal thin-wall cylinder with two bottoms at the ends, directionally-focused radiation in a near infrared area of infrared reflector lamps is directed radially on the inner cylindrical surface of the cylinder, coated with heat-resistant absorbing black layer, arranging lamps inside the cylinder fixedly with the same gap relative to the cylindrical surface by three uniform rows in sliding pairs of straps, one of which is phasic and located further from the cylinder axis, and the other is neutral, located closer to this axis. Cylinder is made of duraluminium, a layer of aluminium oxide with thickness of 0.5 -0.75 mcm is made on its outer surface, phasic straps are made in the form of symmetrical axis of the reflector lamp of -shape in cross section of aluminium, surface of which, facing the cylinder inner surface, is being polished, edges of the reflector is placed closer to the irradiated surface, than to the lamp.EFFECT: invention simplifies the device of the drying cylinder, allows reducing power consumption for heating during drying and wear of surfaces rubbing during rotation of the cylinder.1 cl, 3 dwg

Device for lumber drying // 2599881
FIELD: technological processes.SUBSTANCE: invention relates to equipment of lumber drying and can be used in wood working, furniture industry. Device for lumber drying contains ventilated drying chamber with heating elements, transport line with carriages passing through drying chamber, made with possibility of movement by means of reduction gear, tilter installed before drying chamber and designed to turn horizontally installed stacks of lumber vertically on rib, tilter installed after drying chamber and designed to turn vertically installed stacks of lumber in horizontal position, device for movement of stacks of lumber, wherein conveying line passes over heating elements of drying chamber from tilting unit installed in front of drying chamber and to tilting unit installed after drying chamber.EFFECT: increasing quality of lumber drying, continuous process provision, increasing efficiency of drying plant and its reliability.5 cl, 1 dwg

ethod for freeze-drying of lumpy food products and feedstuffs // 2598480
FIELD: food industry.SUBSTANCE: present invention relates to drying equipment and can be used in food and feedstuff industry for drying plant and animal products. Method for freeze-drying large-sized products and feedstuffs includes heating a freeze-drying chamber, evacuating air with a pump, drying and draining condensate. Freeze-drying is carried out in two independently operating freeze-drying chambers, isolated from each other by a partition; steam with the temperature of 110 to 230 °C. is fed from five sides into a closed heating system made in the form of a heating jacket. Unloading of each chamber is performed when humidity reaches the preset value at continuous operation of the unit. To reduce heat losses freeze-drying chamber is covered with heat-insulating material.EFFECT: use of the disclosed method widens the range and allows to increase particle size (pieces) of products and feedstuffs, ensures uniform heating of processed products throughout the volume of the freeze-drying chamber working at its full capacity, reduces specific energy consumption and processing times.1 cl, 1 dwg

ethod of drying and grinding of plant products and their combinations and dryer for its implementation // 2597275
FIELD: agriculture; machine building.SUBSTANCE: invention relates to agricultural machine building and may be used for grass drying, straw, manure, vegetables, sawdust, mixture of sawdust and excrement, mixtures of animal materials with vegetable materials, any other vegetable products and their combinations with process size of up to 50 mm and humidity of up to 90 %. Drier includes air flow feed system with drying agent and casing, inner cavity of which is cylindrical, wherein inlet into inner cavity of casing there is an element of twisting along the spiral of air flow with drying agent. Along inner surface of casing at an acute angle to it towards the rotation of twist element rectangular plates are rigidly installed.EFFECT: increased productivity.5 cl, 2 dwg

Device for drying high-moisture content materials // 2596918
FIELD: agriculture.SUBSTANCE: invention relates to devices for low-temperature drying high-moisture content materials of vegetable and animal origin (vegetables, mushrooms, fruit, berries, poultry, fish, meat, etc.) and is intended for use in state, farming and private enterprises. Device for drying high-moisture content materials includes a housing with attached film electric heaters, which are resistive heating and radiating elements located between two outer heat-resistant and insulating films and equipped with leads for connection to the mains. Device housing is made cylindrical with a cover and a detachable bottom, in the cover there is a hole for an exhaust fan, inside the housing below the upper edge to allow the air flowing through the ventilation hole there is a cylinder of a smaller diameter with a distance between it and the housing determined depending on the size and the amount of dried material. Film-type electric heaters are arranged on the housing inner surface and the inner cylinder outer surface, under the cover in the upper part of the housing there is a detachable frame for suspending the dried material between the housing and the internal cylinder.EFFECT: technical result of the proposed device for drying high-moisture content materials is improved quality of the dried material and reduced power consumption.1 cl, 2 dwg

ethod of drying wet pasteous graphite // 2596897
FIELD: mining.SUBSTANCE: invention relates to industrial production of powdered graphite concentrate and can be used in production and concentration of graphite ore. Improved method of drying wet pasteous graphite by its supply over a flow of gas-air mixture forming a gas torch into a rotating cylindrical chamber through its front window, displacement and heating with the gas torch with moisture evaporation along the chamber axis, moisture and combustion products discharge into the atmosphere, and the dried graphite - into the systems of screening and packing through the rear window of the chamber and an adjoining graphite catcher.EFFECT: during the method implementation when wet pasteous graphite is supplied into the chamber it is divided into agglomerates with compressed air jets to form an air-agglomerate mixture, and the air-agglomerate and the gas-air mixtures are introduced into the chamber with cocurrent horizontal slot flows, herewith the gas-air mixture is supplied at a shortage of air for complete combustion of gas, the gas is burnt up with air agglomerating the pasteous graphite, and the air to form the gas-air mixture is taken from the workshop aspiration system.1 cl, 3 dwg
 
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