ZA200504919B - Heat treatment of beans and other vergetable matter - Google Patents
Heat treatment of beans and other vergetable matter Download PDFInfo
- Publication number
- ZA200504919B ZA200504919B ZA200504919A ZA200504919A ZA200504919B ZA 200504919 B ZA200504919 B ZA 200504919B ZA 200504919 A ZA200504919 A ZA 200504919A ZA 200504919 A ZA200504919 A ZA 200504919A ZA 200504919 B ZA200504919 B ZA 200504919B
- Authority
- ZA
- South Africa
- Prior art keywords
- plenum
- beans
- temperature
- heat treatment
- fan
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims description 4
- 235000010627 Phaseolus vulgaris Nutrition 0.000 title description 8
- 244000046052 Phaseolus vulgaris Species 0.000 title description 8
- 239000005418 vegetable material Substances 0.000 claims description 7
- 244000068988 Glycine max Species 0.000 claims description 5
- 235000010469 Glycine max Nutrition 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 102000004190 Enzymes Human genes 0.000 description 5
- 108090000790 Enzymes Proteins 0.000 description 5
- 239000000470 constituent Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 244000226021 Anacardium occidentale Species 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 241000533293 Sesbania emerus Species 0.000 description 1
- 102000004142 Trypsin Human genes 0.000 description 1
- 108090000631 Trypsin Proteins 0.000 description 1
- 235000020226 cashew nut Nutrition 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000014571 nuts Nutrition 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000020238 sunflower seed Nutrition 0.000 description 1
- 239000012588 trypsin Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Landscapes
- Beans For Foods Or Fodder (AREA)
Description
Cp [SN ' e 2 C - - , - n'y 0 0 J / 0 IA 9 1 9
This invention relates to the heat treatment of beans and the like vegetable matter in : particulate form.
Certain beans, and particularly soya beans, contain undesirable substances such as the trypsin eliminator enzyme. Soya beans are generally heat treated on a hot plate or during : an extrusion process in which the pressure of the extrusion raises the temperature. In the latter case, the desired temperature of about 160 degrees for the decomposition of the enzyme 1s sometimes achieved but the temperature is not consistent with the result that some enzyme remains in the product and, where the temperature is higher than 160 degrees, decomposition of other constituents may occur.
In the heated plate treatment, the beans are unevenly heated with the result that not all of the enzyme is decomposed and the beans nearest the plate can become scorched and valuable constituents decomposed.
It is an object of the present invention to provide a consistent temperature for the heat : treatment of particulate vegetable material.
According to the invention apparatus for the heat treatment of particulate vegetable material includes a fluidised bed plenum for the material to be treated, and means to introduce heated air at a predetermined pressure and temperature into the plenum.
In a preferred form of the invention, a thermostat is provided to control the temperature.
H © 4 } og . A
The apparatus of the invention ensures that the material is evenly heated and at the required temperature. In the case of soya beans, the enzyme can be completely eliminated.
An embodiment of the invention is described below with reference to the accompanying drawing which is a sectional side view of apparatus according to the invention.
In the drawing a reaction chamber 10 is provided for the vegetable material 12 which is supported on an inverted truncated conical gill plate 14. This plate is in communication with a plenum 16.
The plenum receives hot air via inlet 18 and gas flame bummer 20 whence it travels through pipe 24 to fan 26 and then to the plenum. The fan has twin blowers and may include temperature controlling means. The air pressure is sufficient to maintain the vegetable material in fluidised state.
The gill plate 14 has a central opening 30 with a hydraulically controlled plug 32 so that the treated material can be transferred to the conveyor 34.
The material to be treated is introduced by means of screw conveyor into the inlet 36.
Water sprays 40 are provided at the locations indicated and a vent 42 controlled by a butterfly valve communicates the chamber with the atmosphere.
The apparatus can be used for a variety of vegetable material such as soya beans, peanuts, cashew nuts, coffee beans, sunflower seeds and others.
The product may be used without further treatment for animal feed and even for some products for human consumption.
- . . ' } : Senor oA. . N ad - 2 \ yy
In the case of beans, for example, the inner atmosphere of the chamber must be fully saturated. This is ensured by using a thermostat as well as a dry/wet bulb controller- the dry bulb to monitor and maintain the temperature and the wet bulb for controlling the humidity. The water sprays may be used for increasing the humidity and the butterfly valve should be closed.
The cooking time, based on one ton of beans at 95 degrees Centigrade is 20 minutes and the beans are then dried for ten minutes at 110 degrees.
Claims (5)
1. Apparatus for the heat treatment of particulate vegetable material includes a fluidised bed plenum for the material to be treated, and means to introduce heated air at a predetermined pressure and temperature into the plenum.
2. Apparatus according to claim 1 in which a thermostat is provided to control the temperature.
3. Apparatus according to claim 1 or 2 including
I. a reaction chamber supported on,
ii. an inverted truncated conical gill plate,
iil. in communication with a plenum,
iv. the plenum being in communication with a source of hot air via a fan,
Vv. the fan having twin blowers to provide air pressure sufficient to maintain the vegetable material in fluidized state.
4. Apparatus according to any of the above claims in which, in the case of treatment of soya beans, the inner atmosphere of the chamber is fully saturated.
. ow : Sa © 2005/06919
5. Apparatus substantially as des¢riped with refergrce to the accompanying drawing. Dated this 7 day of June 0 1a MORRISON{FORSTER INC, APPLICANTS’ PATENT ATTORNEYS
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA200504919A ZA200504919B (en) | 2004-06-25 | 2005-06-14 | Heat treatment of beans and other vergetable matter |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA200405047 | 2004-06-25 | ||
| ZA200504919A ZA200504919B (en) | 2004-06-25 | 2005-06-14 | Heat treatment of beans and other vergetable matter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200504919B true ZA200504919B (en) | 2006-04-26 |
Family
ID=38137523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200504919A ZA200504919B (en) | 2004-06-25 | 2005-06-14 | Heat treatment of beans and other vergetable matter |
Country Status (1)
| Country | Link |
|---|---|
| ZA (1) | ZA200504919B (en) |
-
2005
- 2005-06-14 ZA ZA200504919A patent/ZA200504919B/en unknown
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