EP0688420A1 - Furnace for processing and recovering organic and inorganic material by means of a dry method, and method therefor - Google Patents
Furnace for processing and recovering organic and inorganic material by means of a dry method, and method thereforInfo
- Publication number
- EP0688420A1 EP0688420A1 EP94912103A EP94912103A EP0688420A1 EP 0688420 A1 EP0688420 A1 EP 0688420A1 EP 94912103 A EP94912103 A EP 94912103A EP 94912103 A EP94912103 A EP 94912103A EP 0688420 A1 EP0688420 A1 EP 0688420A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- oven
- lines
- products
- furnace
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0445—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having conductive heating arrangements, e.g. heated drum wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/028—Arrangements for the supply or exhaust of gaseous drying medium for direct heat transfer, e.g. perforated tubes, annular passages, burner arrangements, dust separation, combined direct and indirect heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0463—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
Definitions
- the oven presented here is intended for the treatment and profit of the residues of organic and inorganic matter.
- residues from the food industries - such as fish residues, bagasse of olives, animal blood, bones, rendered fat from ruminant animals, fat from animal carcasses in poor condition of conservation, when they cannot be part of the food distribution chain - and still for the treatment and the profit of inorganic matter or mixtures of this matter with organic matter, like, for example, vases which result from filtration of beer or sludge with slag which result from the fusion of metals.
- the already existing ovens for treating organic residues use methods in which the steam is used for the treatment of the same residues, to allow the extraction of unctuous substances, which has the energy disadvantage of spending a considerable amount amount of energy to evaporate the water, and also to remove the water from the residues, which comes from the condensation of this same vapor, with the humidity inherent in these residues.
- the water vapor which has not been condensed must be treated later so that it can remove its odors and separate the vapors from the fats which form during the treatment time.
- the oven in question which operates without using steam injection because it works dry, is essentially composed of an enveloping carcass, inside which a drum slowly rotates which encloses the product we want treating and wrapping an axis provided with several blades and a scraper which has the function of avoiding sticking of the material in transformation to the interior surface of the drum during its treatment. Despite this same axis coinciding with the axis of the drum it is not united with it, but it turns anyway.
- the attached drawing is presented as an example and not with a limiting objective, it shows the best way to carry out the present invention, where the drum (A) and the axis (B) are actuated respectively by the geared motors (C) and (D) and by pairs of gears (E), where the axis is supported on bearings (F), which are inside the two sleeves (G) of the covers (H) of the aforementioned drum.
- the cylindrical drum (A) already mentioned has circular lines in the covers (H) which exist in its ends - which are attached to the drum already attached by a few points which cause small interruptions in the lines already mentioned - these same lines are vertically aligned with the inlets of the two tubes (M) for collecting the liquid part (aqueous and unctu ⁇ ous) of the material to be transformed.
- the oven during its operation, has two distinct phases.
- the drum (A) after being loaded with the product to be processed, turns slowly, so that it slightly agitates the product already added, at the same time as it is heated, to allow the release of its liquid part (either aqueous or unctuous) that, by gravity, falls into a casing (M) to collect liquids through the middle of the lines that exist in the drum.
- the inner axis (B) does not move, the scraper (L) is in the highest position, and it only serves to help promote the movement of the material that strikes against these blades (J), which are also stopped, and also to scrape the inside of the drum (A) so that the product which flows inside can be removed as it dries.
- the second phase begins when the liquid stops falling through the lines.
- the drum (A) maintains its rotational movement to allow not only a uniformly warm product inside, but also that the product is completely stirred, without causing an accumulation in this same area of the drum and consequently to prevent the product from slipping through the lines of the same drum.
- this slow rotational movement also makes it possible to clean the lines in the vicinity of which the product has accumulated, namely in the edge of the side covers (H) of the drum, once in the upper side of the drum (A ) already attached there are two flakes (I), one in each line, which clean the existing product there, as this product, by accompanying the movement of the drum (A), strikes the flakes already reported , which take off and move the product from the walls of the covers (H) of the drum, after it falls again into the interior of the drum.
- the glitter action (I) is further enhanced because the product attached to the same flakes is peeled off each time one of the points of union of the drum with the respective cover hits the flake, which bends when it passes, after it, due to its elastic composition, Abruptly returns to its original position and it is released from the material that can be attached, which falls into the interior of the drum.
- the second phase is not necessary - once as they are hard they do not tend to attach to the walls of the drum and its weight and sufficient for them to be agitated suitably and can be released from water and fat - which they do not end up in powder like other products, ie those which are initially presented in a pasty or coagulated state.
- Another way of carrying out the present invention consists in an oven in which the drum (A) is open in the upper side, this same drum has a cross section with the shape of a "U” which does not allow it to rotate , on the other hand it performs an alternating rotary movement, with an angular amplitude small enough so that its content is not discharged.
- the loading of the drum is carried out directly, without it being removed from the oven, and the unloading is done by the bottom of the oven - for example by the middle of a rolling carpet - by turning the drum of 180 ⁇ . which causes the discharge of its contents, by which warmly is lateral and not by the bottom as in the embodiment previously described.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Gasification And Melting Of Waste (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
- Medicines Containing Plant Substances (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Incineration Of Waste (AREA)
- Glass Compositions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT10122993 | 1993-03-17 | ||
PT101229A PT101229A (en) | 1993-03-17 | 1993-03-17 | OVEN FOR TREATMENT AND USE OF BIOLOGICAL SUBSTANCE, BY DRY PROCESS, AND THEIR PROCESS |
PCT/PT1994/000002 WO1994021977A1 (en) | 1993-03-17 | 1994-03-16 | Furnace for processing and recovering organic and inorganic material by means of a dry method, and method therefor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0688420A1 true EP0688420A1 (en) | 1995-12-27 |
EP0688420B1 EP0688420B1 (en) | 1997-06-11 |
Family
ID=20085267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94912103A Expired - Lifetime EP0688420B1 (en) | 1993-03-17 | 1994-03-16 | Furnace for processing organic and inorganic material and a method therefor |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0688420B1 (en) |
AT (1) | ATE154430T1 (en) |
AU (1) | AU6438794A (en) |
BR (1) | BR9406323A (en) |
DE (1) | DE69403785T2 (en) |
ES (1) | ES2105680T3 (en) |
PT (1) | PT101229A (en) |
WO (1) | WO1994021977A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108253758A (en) * | 2018-01-02 | 2018-07-06 | 河南高盛企业管理咨询有限公司 | A kind of drum-type dendrobium candidum drying unit |
CN108800825A (en) * | 2018-05-03 | 2018-11-13 | 张彪 | A kind of chicken manure dryer |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105180609A (en) * | 2015-09-25 | 2015-12-23 | 大田威斯特环保科技有限公司 | Dryer for refuse disposal |
CN113865311B (en) * | 2021-12-01 | 2022-02-18 | 中南大学湘雅医院 | Medical instrument drying device |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1715729A (en) * | 1927-07-25 | 1929-06-04 | Willard B Connell | Drier |
DE512708C (en) * | 1927-07-28 | 1930-11-14 | Bernhard Saegebarth | Outlet device for gases and vapors in drying drums |
FR665519A (en) * | 1928-12-11 | 1929-09-19 | Anciens Etablissements Alfred | Improvements to spray dryers for the treatment of meat waste, blood coagulation or similar applications |
US1992520A (en) * | 1933-11-11 | 1935-02-26 | James H Colton | Method and apparatus for drying materials |
FR804131A (en) * | 1935-03-28 | 1936-10-16 | Improvements to rotary kilns, dryers and similar devices | |
US3371426A (en) * | 1965-07-19 | 1968-03-05 | Egg Vi Tein Company | Dehydrating drum |
GB1585584A (en) * | 1976-06-08 | 1981-03-04 | Kobe Steel Ltd | Process and apparatus for heating solid materials containing volatile matter |
AT345749B (en) * | 1976-06-29 | 1978-10-10 | Vaneck Julius | GRAIN CONDITIONING PLANT |
DE3542699A1 (en) * | 1985-12-03 | 1987-06-04 | Devender Dr Dhingra | TURNTUBES |
-
1993
- 1993-03-17 PT PT101229A patent/PT101229A/en not_active Application Discontinuation
-
1994
- 1994-03-16 AU AU64387/94A patent/AU6438794A/en not_active Abandoned
- 1994-03-16 BR BR9406323A patent/BR9406323A/en unknown
- 1994-03-16 EP EP94912103A patent/EP0688420B1/en not_active Expired - Lifetime
- 1994-03-16 DE DE69403785T patent/DE69403785T2/en not_active Expired - Fee Related
- 1994-03-16 AT AT94912103T patent/ATE154430T1/en not_active IP Right Cessation
- 1994-03-16 WO PCT/PT1994/000002 patent/WO1994021977A1/en active IP Right Grant
- 1994-03-16 ES ES94912103T patent/ES2105680T3/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9421977A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108253758A (en) * | 2018-01-02 | 2018-07-06 | 河南高盛企业管理咨询有限公司 | A kind of drum-type dendrobium candidum drying unit |
CN108800825A (en) * | 2018-05-03 | 2018-11-13 | 张彪 | A kind of chicken manure dryer |
Also Published As
Publication number | Publication date |
---|---|
EP0688420B1 (en) | 1997-06-11 |
DE69403785T2 (en) | 1998-01-15 |
ATE154430T1 (en) | 1997-06-15 |
BR9406323A (en) | 1995-12-26 |
DE69403785D1 (en) | 1997-07-17 |
AU6438794A (en) | 1994-10-11 |
WO1994021977A1 (en) | 1994-09-29 |
ES2105680T3 (en) | 1997-10-16 |
PT101229A (en) | 1993-10-29 |
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