EP2249114A2 - Hochtemperatur- und Trocknungssystem - Google Patents

Hochtemperatur- und Trocknungssystem Download PDF

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Publication number
EP2249114A2
EP2249114A2 EP10155734A EP10155734A EP2249114A2 EP 2249114 A2 EP2249114 A2 EP 2249114A2 EP 10155734 A EP10155734 A EP 10155734A EP 10155734 A EP10155734 A EP 10155734A EP 2249114 A2 EP2249114 A2 EP 2249114A2
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EP
European Patent Office
Prior art keywords
drying
room
firing
fan
drying system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10155734A
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English (en)
French (fr)
Other versions
EP2249114A3 (de
Inventor
Levent Yalçin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2249114A2 publication Critical patent/EP2249114A2/de
Publication of EP2249114A3 publication Critical patent/EP2249114A3/de
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/022—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure with provisions for changing the drying gas flow pattern, e.g. by reversing gas flow, by moving the materials or objects through subsequent compartments, at least two of which have a different direction of gas flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/063—Movable containers or receptacles, e.g. carts, trolleys, pallet-boxes

Definitions

  • the invention relates to drying machines used for drying fresh fruits and vegetables.
  • the present invention relates to a firing and drying system reducing both the moisture of the product and the amount of micro organisms found in the product via its very special air speeds, very high air flows, and equal temperatures in order to obtain semi-dried products from fresh fruits and vegetables in the food sector.
  • Drying of fruits and vegetables is amongst the oldest methods of food protection.
  • the process is generally based on removing the water content of fruits and vegetables slowly. In this way, moisture content of the dried product is reduced below a certain level.
  • purpose of the drying process is to;
  • drying The main purpose in drying is to extend the shelf life of the food by decreasing its water activity. In this way, microbial growth and enzyme activity is prevented.
  • drying operation decreases nutrition value and it has negative impacts on the quality of eating. Therefore, design and mode of operation of drying equipments are made and adjusted in a way that would minimize these types of negativities, and specifications characteristic to food are applied.
  • drying ovens used in the market and produced up to today. These are; tunnel type drying ovens with belt conveyor and cabin type drying ovens. In tunnel type drying ovens, it is difficult to decrease the moisture of a product like tomatoes to 60%, which is normally 94%. Furthermore, while this operation continues, formation of yeast, mold and fungus in the product can not be prevented and these can not be disinfected at the end of the operation. As a result, total amount of organisms (yeast, mold, fungus etc.) are found to be much above the limits. Since the cabin type ovens are designed to completely dry the products placed in them, all parts, all pieces and all particles of the product would not have the same moisture ratio.
  • This invention having the title of drying oven with three systems, relates to drying of fruits and vegetables via an oven, obtaining the required energy from a stove, in which various fuels can be used, and a solar collector for obtaining hot air, and by air circulation channel and panel radiators, transmission of this heat to the section where drying will be made.
  • the invention particularly relates to drying ovens which provide drying of vegetables, fruits, cereals etc. food products and wood products by removing their moisture content in order to process and store them in a healthy way.
  • the said drying oven comprises a shelf on which the product to be dried is placed, a heater battery which is used for heating of drying oven, a cooler oven which provides condensation of the moisture of air and the moisture of product to be dried, a thermostat which provides controlling the temperature, a moisture control component which provides controlling the moisture ratio, and control panel and air circulation fans which determine the direction of air flow.
  • the utility model with no 2004/01011 relates to ovens which make drying and roasting operations.
  • the invention is intended for the sector of dried fruits, fresh fruits and vegetables, and it comprises the operations of drying and roasting of these products.
  • the invention particularly relates to roasting of the products with gradually increasing heat and the moisture ratios and heat settings of roasting and resting areas being independently adjustable.
  • the invention is a drying machine, which is developed for drying seeds, pulses etc. granular products, has lateral surfaces which are formed as perforated in a way that they would form sieves, is formed by at least two tanks fitting into each other, where these tanks have reducing widths such that they would fit into each other, and it comprises a product channel formed of the region left between the internal tank outer surface and the external tank inner surface, at least one air channel formed by the internal tank inner surface, at least one drum which makes rotational motion by an actuating component, and at least one air circulation fan which transmits air to the said air channel by being connected to it.
  • the ovens used in none of these known systems can not dry fruits and vegetables in a uniform manner.
  • the main reasons for this can be inadequate drying temperature, lack of air circulation, the drying time being short due to drying cost, the energy source used being expensive etc.
  • another problem occurs about drying being made with how hygienic materials and in how healthy mediums.
  • the total amount of organisms increase during storage and these also spread over other granules which had been adequately dried.
  • the product, which is spoiled in store means both loss of prestige and money.
  • the need for a firing and drying system which eliminates the drawbacks found in the prior art, increases the temperature of the fruits and vegetables placed in it to 65 °C in 30 minutes with its very high air flows and uniform temperature properties which are different from the prior applications, makes them semi-dried in total of 4 hours and thus at the same time reduces the total amount of organisms found in the product while drying the product, and comprises fans, fan motors, fan cabinets, tray carts, serpentines, chimneys, chimney motor, suspended ceiling, a drying room having humidity and temperature sensors, a PLC computer, and a steam boiler; and the inadequacy of the present solutions have necessitated an improvement in the related technical field.
  • the purpose of the invention is to; develop a drying room which increases the temperature of the fruits and vegetables placed in it to 65 °C in 30 minutes with its very high air flows and uniform temperature properties which are different from the above said negative situations, and which makes them semi-dried in total of 4 hours.
  • Another purpose of the invention is to develop a drying room which at the same time reduces the total amount of organisms found in the product while drying the fruits and vegetables placed in it.
  • Another purpose of the invention is to develop a drying room which dries the fruits or vegetables placed in it uniformly by applying uniform heat on them and thus which provides obtaining standard products having the same moisture ratio.
  • Another purpose of the invention is to develop a drying room which minimizes time and labour losses which would occur during application.
  • Another purpose of the invention is to develop a drying room which provides energy saving by efficient moisture reducing operation.
  • a firing and drying system which is developed in order to obtain semi-dried fruits and vegetables in the food industry, and which comprises fans, fan motors, fan cabinets, tray carts, serpentines, chimneys, chimney motor, suspended ceiling, a drying room having humidity and temperature sensors, a PLC computer, and a steam boiler,
  • FIG-1 the top perspective view of a preferred embodiment of the drying room (1) of the firing and drying system (8), which is the subject of invention, is given.
  • the said firing and drying system (1) comprises a drying room (1) which provides the required medium for drying the products, a steam boiler which provides energy to the required medium for drying the products, and a PLC computer (10) which actuates and controls all of the system.
  • the perspective front view of the said PLC computer (10) is given in Figure-4.
  • the said drying room (1) is in the form of a closed room, and it comprises a door (1.1) for entrance and exit of the products to be dried, chimneys (7) and chimney motors (9) placed at its above part for circulation of the air found in it, and a suspended ceiling (11) which is connected to the ceiling surface via connection shafts (11.1) in order to form an air circulation space between the room (1) ceiling and the products.
  • the said drying room (1) also comprises at least two serpentines (6) which transfer the steam heat arising from the said boiler (8) into the room (1), fans (2) which blow the heat provided from the serpentine (6) to the tray carts (5), fan motors (2.1) which activate these fans (2), fan cabinets (3) which comprise at least two fans (2), trays (4) in which product is placed, tray carts (5) to which these trays (4) are placed, and humidity and temperature sensors.
  • FIG-2a the front perspective view of the fan cabinet (3) of the firing and drying system (8), which is the subject of invention, is given.
  • fans (2) When looked from the front side, fans (2) can be seen inside the fan cabinet (3).
  • Dimensions of the said fan cabinet (3) are the same with the dimensions of the tray cabinet (5). In this way, the hot and drying air blown by the fans (2) can be provided to reach to all of the products placed inside the trays (4). Therefore, the front part of the fan cabinet (3) has to be open.
  • FIG-2b the rear perspective view of the fan cabinet (3) of the firing and drying system (8), which is the subject of invention, is given.
  • fan motors (2.1) connected just behind the fans (2) can be seen.
  • These motors (2.1) by actuating the fans (2), transfer the hot air coming from their back to the tray carts (5) found in front of them. Therefore, the rear part of the fan cabinet (3) also has to be open in order to be able to provide this air circulation.
  • Serpentine (6) consists of an opening (6.1) for entrance of hot steam coming from the steam boiler found outside the room (1), and pipes (6.2) along the room (1) in order to transfer the heat of the steam inside the room, and it looks like a heater core. And also its working principle is the same.
  • Figure-5a is the top perspective view of the tray (4) of the firing and drying system (8), which is the subject of invention. Edges of the said trays (4) prevent spillage of the product found inside it, and also it provides uniform drying of product by having a perforated structure.
  • FIG-5b is the front perspective view of the tray cart (5) of the firing and drying system (8), which is the subject of invention.
  • the front and rear sides of the said tray cart (5) is open for providing air circulation, it comprises shelves (5.1) placed at its two sides at the inner walls in order to be able to arrange the trays (4) on top of each other, a support part (5.2) in band form placed at the front side of the cart (5) in order to prevent its natural flexibility, wheels (5.3) placed under the tray cart (5) in order to provide its mobility, and holding arms (5.4) which are again placed at its two sides.
  • FIG-6 the side section view of the drying room (1) of the firing and drying system (8), which is the subject of invention, is given.
  • the sections of the chimney (7), chimney motor (9), suspended ceiling (13), serpentine (6), fans (2), fan cabinet (3), and the tray cart (5) are shown.
  • Fan cabinets (3) and tray carts (5) are arranged in two sides of the said drying room (1) in lines of two, and although it can not be understood from the figure, their numbers are very high. This number can change according to the capacity (volume) of the drying room (1). However, their being arranged opposite and symmetrical to each other is important and required for providing balanced and uniform drying.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
EP10155734A 2009-04-27 2010-03-08 Hochtemperatur- und Trocknungssystem Withdrawn EP2249114A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR2009/03273A TR200903273A2 (tr) 2009-04-27 2009-04-27 Fırınlama ve kurutma sistemi.

Publications (2)

Publication Number Publication Date
EP2249114A2 true EP2249114A2 (de) 2010-11-10
EP2249114A3 EP2249114A3 (de) 2011-05-25

Family

ID=42352347

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10155734A Withdrawn EP2249114A3 (de) 2009-04-27 2010-03-08 Hochtemperatur- und Trocknungssystem

Country Status (2)

Country Link
EP (1) EP2249114A3 (de)
TR (1) TR200903273A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102613668A (zh) * 2012-04-01 2012-08-01 冯钦涛 可逆式烘干采暖系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1804107A (en) 1929-09-16 1931-05-05 Moritz L Mueller Lumber-drying apparatus for yard use
EP0142071A2 (de) 1983-11-09 1985-05-22 Lignomat GmbH Verfahren zum Trocknen von Schnittholz
TR200202363U (tr) 2002-10-15 2003-03-21 Gümüş Mustafa Hareketli tambur taşıyıcılı granül kurutma makinesi.
TR200401011U (tr) 2004-05-06 2004-08-23 Ceselsan Maki̇na Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ Kurutma ve kavurma işlemi yapan fırın
TR200403679U (tr) 2004-12-30 2005-03-21 Özkur Gida Doğrama Dayanikli Tüketi̇m Mallari San Ti̇c. Ltd. Üç sistemli kurutma fırını

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB378339A (en) * 1932-02-16 1932-08-11 Hartwig Berge Improvements in and relating to the heating of drying chambers
US2340633A (en) * 1943-05-05 1944-02-01 Anabolic Food Products Inc Apparatus for dehydrating vegetable materials
US3659352A (en) * 1970-05-18 1972-05-02 Cook & Assoc Inc F W Circulating air dryer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1804107A (en) 1929-09-16 1931-05-05 Moritz L Mueller Lumber-drying apparatus for yard use
EP0142071A2 (de) 1983-11-09 1985-05-22 Lignomat GmbH Verfahren zum Trocknen von Schnittholz
TR200202363U (tr) 2002-10-15 2003-03-21 Gümüş Mustafa Hareketli tambur taşıyıcılı granül kurutma makinesi.
TR200401011U (tr) 2004-05-06 2004-08-23 Ceselsan Maki̇na Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ Kurutma ve kavurma işlemi yapan fırın
TR200403679U (tr) 2004-12-30 2005-03-21 Özkur Gida Doğrama Dayanikli Tüketi̇m Mallari San Ti̇c. Ltd. Üç sistemli kurutma fırını

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102613668A (zh) * 2012-04-01 2012-08-01 冯钦涛 可逆式烘干采暖系统
CN102613668B (zh) * 2012-04-01 2014-06-25 冯钦涛 可逆式烘干采暖系统

Also Published As

Publication number Publication date
EP2249114A3 (de) 2011-05-25
TR200903273A2 (tr) 2010-09-21

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