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1. 发明申请

WO2021260501A1 DOSING APPARATUS AND METHOD FOR FORMING POLYMERIC MIXTURES 审中-公开
公开(公告)号：WO2021260501A1
公开(公告)日：2021-12-30
申请号：PCT/IB2021/055326
申请日：2021-06-16
申请人： PIOVAN S.P.A.
发明人： BELLIO, Enrico , CAPPELLINI, Davide
IPC分类号： B29B7/24 , B29B7/28 , B29B7/58 , B29B7/60 , B29B7/78 , B29C48/285 , B29C31/02 , F16K3/02 , F16K3/34 , G01G21/00 , B29B7/72 , B01F15/04 , B01F35/881 , B29B7/244 , B29B7/582 , B29B7/603 , B29C2948/92828 , B29C2948/92876 , B29C31/06 , B29C48/286 , B29C48/288 , B29C48/92 , G01G13/18
摘要： A control method is disclosed for controlling a dosing apparatus for dosing products made of plastics (P) in granules, microgranules, flakes, or powder, to obtain polymeric mixtures, with one or more feeding hoppers (2) to contain the products (P), each feeding hopper (2) with a shutter element (4) to adjust the passage section of a dosage opening (7) through which the product (P) drops by gravity inside a batch hopper (BT) with a weighing cell (CP), in which, for each feeding hopper (2), at least one operating parameter is adjusted of the shutter element (4) as a function of the weight detected by the weighing cell (CP), to obtain the desired quantity of dosed product, and to store the data of every single dose to obtain a self-adapting predictive system for predicting the quantity of dosed product.

2. 发明申请

WO2021198832A1 APPARATUS AND METHOD FOR TREATING INCOHERENT MATERIAL 审中-公开
公开(公告)号：WO2021198832A1
公开(公告)日：2021-10-07
申请号：PCT/IB2021/052260
申请日：2021-03-18
申请人： PIOVAN S.P.A.
发明人： BELLIO, Enrico , CAPPELLINI, Davide
IPC分类号： B29B13/00 , B29B13/06 , B29B17/02 , F26B3/16 , F26B3/06 , F26B17/12 , F26B21/00 , F26B21/02 , F26B21/08 , F26B23/00 , B29B13/065 , B29B2013/002 , B29B2013/005 , B29B2017/0224 , B29B2017/0293 , F26B21/002 , F26B21/086 , F26B23/002
摘要： An analysis method and apparatus are disclosed for treating polymer granules at least part of which comes from post-consumer recycling, in which a flow of a process gas is purified from contaminating vapours by traversing, in sequence, first a dust collector filter that retains the solid particles contained in the gas, then a first side of a gas/gas heat exchanger in which the process gas surrenders heat, then a condenser in which the process gas is cooled to below the boiling point of the contaminating vapours to form condensate, then a second side of said exchanger in which the process gas recovers a part of the previously transferred heat, to then enter a container where the polymer granules are treated.

3. 发明申请

WO2017103721A1 METHOD AND SYSTEM OF CONTROLLING A PLANT FOR DEHUMIDIFYING AND/OR DRYING 审中-公开
标题翻译：控制用于除湿和/或干燥的设备的方法和系统
公开(公告)号：WO2017103721A1
公开(公告)日：2017-06-22
申请号：PCT/IB2016/057312
申请日：2016-12-02
申请人： PIOVAN S.P.A.
发明人： BELLIO, Enrico
IPC分类号： F26B9/06 , B29B13/06 , F26B21/06 , F26B21/08 , F26B21/12
CPC分类号： F26B21/083 , B29B13/065 , F26B9/06 , F26B21/06 , F26B21/12
摘要： A method is disclosed of controlling a plant (2) for dehumidifying and/or drying plastic material in granular and/or micro-granular and/or powder and/or flake or similar form, this plant (2) comprising a process fluid generator (4) and at least one dehumidifying/drying hopper (5) for feeding a respective user machine (3) associated with the plant (2) and comprising a melting device (19) for melting the plastic material and a moulding device (22) for moulding, in particular by injection moulding and/or blow moulding and/or compression moulding, the plastic material. The method of controlling comprises the steps of detecting in the user machine (3) a pressure (P pwp ) of the plastic material in melted state and modifying at least one process parameter (D p ) of the plant (2) on the basis of the detected value of this pressure (P pwp ).
摘要翻译：公开了一种控制用于除湿和/或干燥颗粒和/或微粒和/或粉末和/或薄片或类似形式的塑料材料的设备（2）的方法，该设备（ 2），其包括用于供给与设备（2）相关联的相应用户机器（3）的过程流体发生器（4）和至少一个除湿/干燥料斗（5），并且包括用于熔化塑料材料以及尤其通过注塑和/或吹塑和/或压缩模塑塑料材料的模塑装置（22）。控制方法包括以下步骤：在用户机器（3）中检测处于熔化状态的塑性材料的压力（Pwp），并且修改至少一个工艺参数（Dpp < （2）根据检测到的这个压力值（P _{pwp ）来确定。}

4. 发明申请

WO2021240335A1 METHOD AND APPARATUS FOR ANALYZING A SEPARATOR AND PLANT FOR TREATING INCOHERENT PLASTICS 审中-公开
公开(公告)号：WO2021240335A1
公开(公告)日：2021-12-02
申请号：PCT/IB2021/054474
申请日：2021-05-24
申请人： PIOVAN S.P.A.
发明人： BELLIO, Enrico , CAPPELLINI, Davide
IPC分类号： B29B13/00 , B29B13/06 , B01D53/30 , B01D53/00 , B01D53/14
摘要： A method and an apparatus are disclosed for analyzing an absorption filtering medium that filters volatile organic substances in a process gas in a dehumidification plant for dehumidifying polymer granules, with a fan that generates a flow of gas through the filtering medium, an analyzer for analyzing the concentration of total organic carbon, a sensor for detecting pressure downstream of the filtering medium, in which the state of saturation and/or the absorbent capacity and/or the deterioration over time of the filtering medium is determined by a comparison of the measured concentrations of the total organic carbon in the flow of gas upstream and downstream of the filtering medium.

5. 发明申请

WO2021176370A1 SEPARATOR ANALYSIS METHOD AND APPARATUS 审中-公开
公开(公告)号：WO2021176370A1
公开(公告)日：2021-09-10
申请号：PCT/IB2021/051770
申请日：2021-03-03
申请人： PIOVAN S.P.A.
发明人： BELLIO, Enrico , CAPPELLINI, Davide
IPC分类号： B29B13/06 , B01D53/26 , B01D53/30 , B01D53/72 , F26B21/06
摘要： An analysis method and apparatus are disclosed for analysing an absorption filtering medium that filters volatile organic substances in a process gas in a plant for dehumidifying polymer granules, with a fan (3) that generates a flow of gas through the filtering medium (4), an analyzer (14) of the total concentration of the organic carbon, a sensor to detect the pressure downstream of the filtering medium, in which the saturation state and/or the absorbent capacity and/or the deterioration over time of the filtering medium (4) is determined by a comparison of the measured concentrations of total organic carbon in the flow of gas upstream and downstream of the filtering medium.

6. 发明申请

WO2021094922A1 PROCESS FLUID FILTRATION DEVICE 审中-公开
公开(公告)号：WO2021094922A1
公开(公告)日：2021-05-20
申请号：PCT/IB2020/060580
申请日：2020-11-10
申请人： PIOVAN S.P.A.
发明人： BELLIO, Enrico , BERTON, Luca
IPC分类号： B01D39/18 , B01D39/20 , B01D46/24 , B01D53/26 , B01D46/54 , F26B21/00 , F24F3/14
摘要： A filtration device for heated process air used in an apparatus for the dehumidification of plastics in granules is disclosed, with a filter medium of tubular shape that is crossed by the air radially from the outside towards the inside and which comprises an outlet end through which the filtered gas can exit in an axial direction, a bottom placed at the outlet end of the filtered gas and at least one ring-shaped seal placed on an edge of the bottom to define an annular sealing zone against a seal seat, in which the seal is made of a silicone material by means of an injection overmoulding performed directly on the bottom.

7. 发明申请

WO2020170139A1 METHOD AND APPARATUS FOR PROCESSING PLASTICS 审中-公开
公开(公告)号：WO2020170139A1
公开(公告)日：2020-08-27
申请号：PCT/IB2020/051359
申请日：2020-02-19
申请人： PIOVAN S.P.A.
发明人： BELLIO, Enrico , CAPPELLINI, Davide
IPC分类号： F26B3/06 , B29B13/06 , B29C45/76 , F26B17/14 , F26B21/04
摘要： A method and an apparatus are disclosed for processing plastics, in which the material in incoherent solid state is dehumidified in a hopper and is then melted in an extruder, after which the molten material is used in a moulding device for moulding by injection and/or by blow moulding and/or compression, and in which a set point pressure value of the molten material is set on the basis of a measured residual humidity value of the dehumidified incoherent solid material, so as to decrease the pressure value by a preset variation value if the measured residual humidity value is lower than a reference value and to increase the pressure value by a preset variation value if the measured residual humidity value is higher than said reference value.

8. 发明申请

WO2019220280A1 DEHUMIDIFICATION METHOD AND APPARATUS 审中-公开
公开(公告)号：WO2019220280A1
公开(公告)日：2019-11-21
申请号：PCT/IB2019/053821
申请日：2019-05-09
申请人： PIOVAN S.P.A.
发明人： BELLIO, Enrico
IPC分类号： F26B21/04 , B01D53/26 , F26B21/08 , F16K3/00 , F26B21/02
摘要： A method and an apparatus for the dehumidification and/or drying of plastic material in the form of granules and/or micro-granules and/or powder and/or flakes or similar are described, with at least one hopper for dehumidifying/drying the plastic material, a generator of a process fluid that passes through the hopper, at least two molecular sieves towers arranged in parallel and operating alternately to dehumidify the process fluid, and at least one source of a regeneration fluid by heating the molecular sieves. The invention allows to improve the energy efficiency of the regeneration cycle of molecular sieves.

9. 发明申请

WO2022023905A1 APPARATUS AND METHODS TO ELIMINATE, REDUCE OR CORRECT THE ODOUR OF POLYMER GRANULES 审中-公开
公开(公告)号：WO2022023905A1
公开(公告)日：2022-02-03
申请号：PCT/IB2021/056666
申请日：2021-07-23
申请人： PIOVAN S.P.A.
发明人： BELLIO, Enrico , CAPPELLINI, Davide
IPC分类号： B29B9/16 , B29B7/66 , B29B7/72 , B29B7/78 , B29B7/82 , C08F6/00 , B29B13/06 , G01N33/00
摘要： 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, actuator means for generating a process gas flow from a gas inlet to a gas outlet of said container, olfactory sensor means arranged to detect odorous emissions in the process gas exiting from said container, control means configured to control at least one parameter of the process gas on the basis of an odour intensity measured by said olfactory sensor means, 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.

10. 发明申请

WO2020128746A1 DEVICE FOR PURIFYING A PROCESS FLUID AND DEHUMIDIFYING PLANT INCLUDING SUCH A DEVICE 审中-公开
公开(公告)号：WO2020128746A1
公开(公告)日：2020-06-25
申请号：PCT/IB2019/060762
申请日：2019-12-13
申请人： PIOVAN S.P.A.
发明人： BELLIO, Enrico
IPC分类号： F26B25/00 , B01D53/04
摘要： A purifying device (6) for purifying a process fluid that flows in a dehumidifying plant (1) for dehumidifying plastics comprises a first layer (7) configured for filtering the process fluid, and a second layer (8) configured for reducing, by adsorption, substances that are harmful for health, in particular COV/SOV, which are present in the process fluid.

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