Deodorization apparatus and method
AssigneePiovan S.P.A.
InventorsEnrico BELLIO, Davide CAPPELLINI
Life of this patent
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Abstract
A deodorization method and apparatus are disclosed to eliminate, reduce or correct the odour of incoherent plastics, i.e. in the form of granules and/or microgranules and/or powder and/or flakes or the like, with a container of the incoherent plastics, an actuator for generating a process gas flow from a gas inlet to a gas outlet of said container, an olfactory sensor arranged to detect odorous emissions in the process gas exiting from said container, a controller configured to control at least one parameter of the process gas on the basis of an odour intensity measured by said olfactory sensor, with the aim of eliminating the substances that cause undesired odours from the incoherent plastics that is usable in a transformation process to make an end product.
Claims21
1-30. (canceled)
Deodorization apparatus to eliminate, reduce or correct the odour of incoherent plastic material, said apparatus including:
- at least one container with at least one material inlet for introducing incoherent plastic material, at least one material outlet for extracting the incoherent plastic material, at least one gas inlet for introducing a process gas, at least one gas outlet for extracting the process gas;
- an actuator for generating a process gas flow which enters said gas inlet and exits from said gas outlet;
- an outlet olfactory sensor arranged to detect odorous emissions in the process gas exiting from said container;
- a controller configured to control said apparatus on the basis of signals provided by said outlet olfactory sensor.
Deodorization apparatus to eliminate, reduce or correct the odor of incoherent plastic material, said apparatus including:
- at least one container with at least one material inlet for introducing incoherent plastic material, at least one material outlet for extracting the incoherent plastic material, at least one gas inlet for introducing a process gas, at least one gas outlet to extract the process gas;
- an actuator for generating a process gas flow which enters said gas inlet and exits from said gas outlet;
- an outlet olfactory sensor arranged to detect odorous emissions in the process gas exiting from said container;
- an inlet olfactory sensor arranged to detect odor emissions in the process gas entering the container.
Deodorization method, to eliminate, reduce or correct the odour of incoherent plastic material, said method including the steps of:
- generating a flow of a heated process gas through incoherent plastic material to extract odour emissions;
- detecting odorous emissions in the process gas that has passed through said incoherent plastic material by means of an outlet olfactory sensor;
- controlling at least one process parameter on the basis of said detected odorous emissions.
Dependencies are inferred from the claim text.