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Appts. for removing fluid component from particulized solid materials

A granular solid and liquid technology, which is applied in the field of devices for removing liquid components and devices for removing moisture, and can solve problems such as unhygienic, failure to achieve fluidization effect, and overheating of food

Inactive Publication Date: 2002-09-18
UNILEVER NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The system disclosed in this patent has some other disadvantages, such as the suboptimal fluidization in the area above the sieve plate in the processing chamber, which leads to unhygienic conditions, which are not allowed in food processing
Hot spots can also occur during handling, causing localized overheating of the food, resulting in an unacceptable product
Also, in semi-continuous production, food cannot be removed from the system

Method used

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  • Appts. for removing fluid component from particulized solid materials
  • Appts. for removing fluid component from particulized solid materials

Examples

Experimental program
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Embodiment Construction

[0035]Materials to be dried, such as rice grains, are transported from the hopper (10) to the reaction chamber (4) of the reactor. The reactor includes a shell (1) with a perforated plate (2), which is pot-shaped And has a perforation (11) with a size of about 2mm, the perforated plate (2) divides the shell (1) into a gas introduction chamber (3) and a reaction / drying chamber (4). The fluidizing gas is introduced through the gas inlet (5) on the bottom (7) of the chamber (3) at a velocity of 15 m / s, and this gas flow brings an axial component to the particles in the chamber (4). Simultaneously another gas is introduced from directly below the plate (2) through the gas inlet (6) at a velocity of 35 m / s. This gas gives a tangential component to the solid particles in the chamber (4). In this way, the solid particulate material forms an annular fluidized bed within the chamber (4). The gas introduced through the openings (5) and (6) is preheated by indirect heat exchange in the...

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Abstract

The invention concerns an apparatus for the removal of moisture from particulized, solid food products, comprising; a housing (<HIL><PDAT>9< / BOLD><PDAT>); a perforated plate (<HIL><PDAT>2< / BOLD><PDAT>), creating two chambers (<HIL><PDAT>3, 4< / BOLD><PDAT>) in the housing (<HIL><PDAT>1< / BOLD><PDAT>), gas-inlets (<HIL><PDAT>5, 6< / BOLD><PDAT>), present below the perforated plate (<HIL><PDAT>2< / BOLD><PDAT>); an outlet (<HIL><PDAT>8< / BOLD><PDAT>) in the perforated plate (<HIL><PDAT>2< / BOLD><PDAT>), provided with a removable plug (<HIL><PDAT>9< / BOLD><PDAT>); heating means (<HIL><PDAT>15, 18< / BOLD><PDAT>) for the gases. The invention further concerns a process for the removal of moisture from solid, small particles, by subjecting these particles, while in an annular, fluidized bed to a heat treatment for a specific time.< / PTEXT>

Description

technical field [0001] The present invention relates to a device for removing liquid components, and more particularly to a device for removing moisture from granular solid material, especially solid particulate food material. The invention also relates to a method for removing liquid components from these materials by means of the device of the invention. Background technique [0002] In US Patent No. 4033555 an apparatus for conditioning granular or granular material in a fluidized bed is disclosed. According to this patent, moisture can be removed from sand by forming a fluidized bed of material such as sand and sending the sand into an air stream of a given flow pattern to circulate and mix the material. The disclosed device has a sieve plate provided with openings of a specific shape through which fluidizing gas is introduced into the device. These openings promote circulation and create a controlled branching of the material in the vicinity of the walls, in this way ...

Claims

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Application Information

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IPC IPC(8): F26B3/08F26B3/092F26B17/10
CPCF26B3/08F26B3/0926F26B17/107
Inventor S·哈维滕
Owner UNILEVER NV
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