Device for treating a product with microwaves
A microwave processing and product technology, applied in the direction of electric heating devices, microwave heating, applications, etc., can solve the problems of uniform processing difficulties and achieve the effect of low power loss
Active Publication Date: 2020-06-26
牧歌股份有限公司
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Even in the case of geometrically simple microwave emitters and neglecting reflection or scattering effects within the processing space, complex intensity distributions of the microwaves emitted into the processing space often occur, which make Uniform handling of products moving along transport lanes becomes difficult
Method used
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Embodiment Construction
[0027] lies in figure 1 In the device 1 schematically shown for treating a product 2 with microwaves, the microwave radiation mechanism comprises a plurality of coaxial conductors 3, which in the shown embodiment are arranged on the product 2 and Product 2 is under and can be irradiated with microwaves.
[0028] single in figure 2 The coaxial conductor 3 shown by way of example in has an electrically conductive inner conductor 4 and a hollow cylindrical and electrically conductive outer conductor 5 arranged coaxially around the inner conductor 4 . The coaxial conductor 3 can have a length of a few centimeters up to more than 50 cm or 1 m in the axial direction. Here, it is expedient not only the length of the coaxial conductor 3 but also the radial dimension of the inner conductor 4 and especially the outer conductor 5 to be adapted to the frequency or wavelength of the microwaves which are to be coupled into the coaxial conductor during operation of the device 1 3 in.
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Abstract
The invention relates to a device (1) for treating a product (2) with microwaves, the device (1) having a treatment chamber (15), in which the product (2) can be conveyed along a transport track (13)in a transport direction (14) through the treatment chamber (15), and having a microwave-emitting apparatus, which is arranged in the treatment chamber (15) and by means of which microwaves coupled into the microwave-emitting apparatus can be emitted, which microwaves impinge upon the product (2). The microwave-emitting apparatus has at least one coaxial conductor (3), which protrudes into or is arranged in the treatment chamber (15) and which has an electrically conductive inner conductor and an electrically conductive outer conductor, the outer conductor surrounding the inner conductor at adistance therefrom and in coaxial arrangement and having at least one opening, which enables the emission of microwaves through the opening from the coaxial conductor (3) onto the product (2). The microwave-emitting apparatus has a plurality of coaxial conductors (3) arranged at a distance from each other in the transport direction (14), each having at least one opening (6) in the outer conductor(5). In a coaxial conductor (3) arranged subsequently in the transport direction (14), the at least one opening (6) is offset transversely to the transport direction (14) with respect to the at leastone opening (6) of a preceding coaxial conductor (3).
Description
technical field [0001] The invention relates to a device for treating products with microwaves, wherein the device has a processing space through which the product can be conveyed along a transport channel in the direction of transport and has a A microwave radiation part, by which microwaves decoupled into the microwave radiation mechanism can be emitted, and the microwaves act on the product. Background technique [0002] It is known from practice that microwaves can be applied to heat products such as food and prepared meals. For this purpose, microwaves with a suitable microwave frequency are radiated into the treatment space in which the product to be heated is located. The microwaves radiated into the treatment space and penetrating into the products located there generate heat in the products, wherein the heating can be preset or varied, for example, by the power of the radiated microwaves and by the duration of the microwave radiance. [0003] It is also known that...
Claims
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IPC IPC(8): H01J37/32A23L3/01H05B6/70
CPCA23L3/01H01J37/32192H01J37/3222H01J37/32229H01J37/32752H05B6/782H05B6/78A23L3/001H05B6/702H05B6/72
Inventor D.巴尔斯M.赖希曼K-M.鲍姆格特纳N.福伊特
Owner 牧歌股份有限公司