SU728821A1

SU728821A1 - Heat-sensitive material heat treating method

Info

Publication number: SU728821A1
Application number: SU782617028A
Authority: SU
Inventors: Григорий Григорьевич Жвания; Василий Иванович Бибилейшвили; Александр Николаевич Какалашвили; Иван Шалвович Почхидзе; Гиви Захарович Хечуашвили
Original assignee: Грузинский Ордена Ленина И Ордена Трудового Красного Знамени Политехнический Институт Им. В.И.Ленина; Научно-Производственное Объединение Чайной Промышленности
Priority date: 1978-05-12
Filing date: 1978-05-12
Publication date: 1980-04-25

Description

Изобретение относится к пищевой промышленности, а именно к устройствам для термообработки термочувствительных материалов, и может использоваться для дефростапии чая.The invention relates to the food industry, and in particular to devices for heat treatment of heat-sensitive materials, and can be used for defrostapia of tea.

Известно устройство для термообработ- 5 ки термочувствительных материалов, содержащее корпус с коническим днищем, связанным с газораспределительным коробом посредством продольного отверстия для ввода газа, и профильный отбойник ¹⁰для образования замкнутого вихревого потока Г1].A device is known for heat treatment of heat-sensitive materials, comprising a body with a conical bottom connected to a gas distribution box by means of a longitudinal gas inlet, and a profile chipper ¹⁰ to form a closed vortex flow G1].

Недостатком известного устройства является то, чтг оно не обеспечивает ₍₅соответствующей скорости процесса с сохранением качественных показателей чая.A disadvantage of the known device is that it does not provide ₍₅ appropriate process speed while maintaining the quality characteristics of tea.

Цель изобретения - ускорения процесса дефростапии с сохранением качественных _мпоказателей продукта.The purpose of the invention is to accelerate the process of defrostapia while maintaining high-quality _m indicators of the product.

Это достигается тем, что устройство снабжено приспособлением для разрыва вихревого потока, установленным в цен2 тральной части днища перпендикулярно к отверстию ввода газа с образованием двух зон термической обработки и выполненным в вцце планки, имеющей в сечении прямоугольный треугольник, гипотенуза которого обращена в сторону зоны с более высокой температурой, при этом отбойник состоит из двух частей, установленных с зазором друг к другу, а газораспределительный короб снабжен перегородкой, делящей его на две секции для подвода газа с различной температурой.This is achieved by the fact that the device is equipped with a vortex flow breaking device installed in the central part of the bottom perpendicular to the gas inlet opening with the formation of two heat treatment zones and made in the center of the plank, which has a rectangular triangle in cross section, the hypotenuse of which is directed towards the zone with more high temperature, while the chipper consists of two parts installed with a gap to each other, and the gas distribution box is equipped with a partition dividing it into two sections for gas supply different temperatures.

На фиг. 1 изображено устройство, вид спереди; на фиг. 2 - то же, поперечный разрез.In FIG. 1 shows a device, front view; in FIG. 2 - the same, transverse section.

Устройство состоит из корпуса 1, нижняя коническая часть которого выполнена. в виде воронки 2 и имеет продольное отверстие для ввода газа в виде щели 3, в верхней части корпуса расположен профильный отбойник 4, состоящий из двух частей, установленных с зазором 5. Непосредственно под зазором в централь— ной части днища перпендикулярно к отверстию ввода газа установлено приспособление 6 для разрыва вихревого потока. Корпус 1 с помощью воронки 2 взаимодействует с газораспределительным коробом 7, разделенным перегородкой 8,. Корпус 1 снабжен окном 9 для ввода и окном 10 для вывода материала. Каждая часть газораспределительного короба 7 подсоединена трубопроводами к калориферам 11 и 12, а в верхней части корпус са 1 предусмотрены патрубки 13 и 14 для выпуска отработанного воздуха из соответствующей зоны термической обработки при помощи вентиляторов 15 и 16<The device consists of a housing 1, the lower conical part of which is made. in the form of a funnel 2 and has a longitudinal opening for gas inlet in the form of a gap 3, in the upper part of the body there is a profile chipper 4, consisting of two parts installed with a gap 5. Directly under the gap in the central part of the bottom, it is installed perpendicular to the gas inlet device 6 for breaking the vortex flow. The housing 1 using a funnel 2 interacts with a gas distribution box 7, divided by a partition 8 ,. The housing 1 is equipped with a window 9 for input and a window 10 for outputting material. Each part of the gas distribution box 7 is connected by pipelines to the heaters 11 and 12, and in the upper part of the housing ca 1, there are nozzles 13 and 14 for exhausting exhaust air from the corresponding heat treatment zone using fans 15 and 16 <

Работает устройство следующим образом,The device operates as follows,

Через щель 3 в воронку 2 тангенциально ее поверхности вводится воздух с .температурой для одной из зон (+)45—(+) 65 С, а для другой (—)+25(-)30°С« Воздух поднимается по стенке корпуса вверх, отражается от отбойника 4 и опускается по противоположной стенке вниз. Таким образом, в корпусе 1 совершается вихревое движение воздуха с разрывом под зазором 5 частей отбойника 4. Через окно 9 в устройство непрерывно подают замороженную чайную массу. Последняя попадает в вихрь воздуха первой зоны и по мере движения его к приспособлению 6 ее температура повышается до (-)2 т(2)1 С. В пространстве под зазором вихрь отсутствует, поэтому чайная масса опадает вниз, ссыпается по стороне, соответствующей гипотенузе в сечении приспособления 6, но падает во вторую зону термической обработки и здесь снова подхватывается вихрем воздуха — по мере движения к выходу ee_Qтемпература повышается до (+)15-(+)20 С,Air through the slot 3 is introduced into the funnel 2 tangentially to its surface with temperature for one of the zones (+) 45 - (+) 65 ° С, and for the other (-) + 25 (-) 30 ° С “Air rises up along the wall of the housing , is reflected from the chipper 4 and falls down the opposite wall. Thus, in the housing 1 a swirling movement of air occurs with a gap under the gap of 5 parts of the chipper 4. Through the window 9, the frozen tea mass is continuously fed into the device. The latter enters the air vortex of the first zone and as it moves to the device 6, its temperature rises to (-) 2 t (2) 1 C. There is no vortex in the space under the gap, so the tea mass falls down, is poured on the side corresponding to the hypotenuse in section of the device 6, but falls into the second heat treatment zone and is again picked up by a whirlwind of air - as it moves to the exit ee _{Q, the} temperature rises to (+) 15 - (+) 20 C,

Устройство обеспечивает двухстадийную ступенчатую дефростацию материала в оптимальных условиях, чем ускоряется процесс в 3—5 раз и сохраняются качест₅ венные показатели чайного сырья.The device provides a two-stage step-wise defrosting of the material under optimal conditions, which accelerates the process by 3-5 times and retains high-quality ₅ indicators of tea raw materials.

Claims

The invention relates to the nshey industry, namely; devices for the heat treatment of heat-sensitive materials, and can be used dp defrosting tea. A device for heat-treating heat-sensitive materials is known, which contains a housing with a conical bottom connected to the gas distribution duct by means of a longitudinal opening for introducing gas, and a profile baffle for forming a closed vortex flow l. The disadvantages of a single device are that it does not provide the appropriate speed of the process while maintaining the quality indicators of tea. The chain of the invention is to accelerate the process of defrosting while maintaining the quality indicators of the product. This is achieved by the fact that the device is equipped with a device for breaking the vortex flow, installed in the central part of the bottom perpendicular to the gas inlet with the formation of two heat treatment zones and made in the form of a bar having a rectangular triangle I1 in cross section, the hypotenuse facing the zone c at a higher temperature, the baffle consists of two parts installed with a gap to each other, and the gas distribution box is equipped with a partition dividing it into two sections for supplying gas with different temperatures. FIG. 1 shows a front view of the device in FIG. 2 - the same cross pasjpea. The device consists of a body 1, the lower conic part of which is made in the form of a funnel 2 and has a longitudinal hole for the inlet gas in the form of a slit 3, in the upper part of the body a profile baffle 4 consisting of two parts, installed with a gap 5, is discharged directly In the central part of the dna, perpendicular to the gas injection port, a device 6 is installed to break the vortex flow. The housing 1 with the help of a funnel 2 communicates with the gas distribution duct 7, divided by a partition 8 ,. The housing 1 is provided with a window 9 for entry and a window 10 for withdrawing material. Each part of the gas distribution duct 7 is connected by pipelines to calorifer spheres 11 and 12 | and in the upper part of the housing 1, the pipes 13 and 14 are provided for discharging the exhaust air from the corresponding heat treatment zone using fans 15 and 16 The device works the same way and time. Through the shell 3, air with a temperature for one of the zones () 45 (+) 65 ° С is introduced tangentially into the funnel 2 of its surface, and for the other one () +25 (-) 30 ° С. The air rises up the wall of the housing, is reflected from the bump stop 4 and descends down the opposite wall. Thus, in the housing 1, there is a vortex movement of air with a gap under the gap of 5 parts of the bump stop 4. Through the window 9, the device continuously serves frozen tea mass. The latter enters the vortex of air of the first zone and as it moves towards the adjacent 6 its temperature rises to {) 2 r (2) lc. There is no vortex in the space under the gap, therefore the chayo mass falls down, drops down along the side corresponding to the hypotenuse in section 6 of the device 6, but falls into the second heat treatment zone and here again is picked up by the air swirl - as it moves to the exit, its temperature rises to () 15 - (+) 20 The device provides a two-stage step defrosting of the material under optimal conditions than The process is times and the quality indicators of tea raw materials are maintained. The invention 1. Heat treatment device for heat-sensitive materials, comprising a body with a conical bottom connected to the gas distribution duct by means of a longitudinal gas inlet, and a profile interrupter for forming a closed vortex flow, characterized by the fact that, in order to accelerate the process of defrosting while preserving the quality indicators of the product, it is equipped with a device for breaking the vortex flow, In the central part, the bottom is rectangular to the gas inlet with the formation of two heat treatment zones and made in the form of a strip, having a rectangular gate in section, the hypotenuse of which faces the zone with a higher temperature, and the screening bump parts installed with a gap to each other, 2, a device according to claim 1, characterized in that the gas distribution box is provided with a partition dividing it into two sections for supplying gas with different temperatures. Sources of information taken into account in the examination 1, USSR Author's Certificate No. 208539, cl. F 26 B 17 / 1O, 1967.