WO2019198022A1 - Installation pour le traitement de déchets - Google Patents

Installation pour le traitement de déchets Download PDF

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Publication number
WO2019198022A1
WO2019198022A1 PCT/IB2019/052984 IB2019052984W WO2019198022A1 WO 2019198022 A1 WO2019198022 A1 WO 2019198022A1 IB 2019052984 W IB2019052984 W IB 2019052984W WO 2019198022 A1 WO2019198022 A1 WO 2019198022A1
Authority
WO
WIPO (PCT)
Prior art keywords
plant
movement
wastes
chamber
treated
Prior art date
Application number
PCT/IB2019/052984
Other languages
English (en)
Inventor
Silvano PALMIERI
Original Assignee
Palmieri S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Palmieri S.P.A. filed Critical Palmieri S.P.A.
Priority to EP19724611.9A priority Critical patent/EP3774056A1/fr
Publication of WO2019198022A1 publication Critical patent/WO2019198022A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/145—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with knives spaced axially and circumferentially on the periphery of a cylindrical rotor unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00—Control arrangements specially adapted for crushing or disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B02C2018/188—Stationary counter-knives; Mountings thereof

Definitions

  • the present invention relates to a plant for the treatment of wastes.
  • plants comprising a support frame of an outer casing provided with an inlet opening of the wastes to be treated and an outlet opening of the treated wastes.
  • the outer casing generally comprises a movement chamber provided with movement means of the wastes to be treated along a direction of forward movement.
  • the plant comprises a sorting chamber located downstream of the movement chamber with respect to the direction of forward movement and comprising sorting means of the wastes to be treated.
  • the movement means and the sorting means are of the type of an Archimedean screw element associated with the relevant motorization means and operated in rotation around the respective rotation axes substantially orthogonal to each other.
  • wastes to be treated consist of a mixture of heterogeneous fragments of different sizes, and therefore volumetric overall dimensions.
  • ferrous fragments are often the cause of plant malfunctions.
  • the wastes to be treated are currently pretreated in a crushing plant separate from the wastes treatment plant itself.
  • This operation involves the transport and introduction of the wastes to be pretreated at the crushing plant, and the subsequent transportation and insertion of the same into the treatment plant.
  • the main aim of the present invention is to devise a plant for the treatment of wastes that allows reducing the working times, thus reducing the operational steps with respect to the known type of plants.
  • one object of the present invention is to devise a plant for the treatment of wastes that allows considerably reducing the overall management costs of the treatment plant.
  • Another object of the present invention is to devise a plant for the treatment of wastes that allows overcoming the mentioned drawbacks of the prior art in a simple, rational, easy, effective to use and cost effective solution.
  • Figure 1 is an axonometric view of the plant according to the invention.
  • Figure 2 is an axonometric view from the top of the plant according to the invention.
  • Figure 3 is a cross-sectional view along the plane III-III of Figure 1 ;
  • Figure 4 is a cross-sectional view along the plane IV- IV of Figure 2 in a configuration of use of the plant according to the invention
  • Figure 5 is a cross-sectional view along the plane IV-IV of Figure 2 in a further configuration of use of the plant according to the invention
  • Figure 6 is a cross-sectional view along the plane IV-IV of Figure 2 in the first angular configuration of the plant according to the invention
  • Figure 7 is a cross-sectional view along the plane IV-IV of Figure 2 in the second angular configuration of the plant according to the invention.
  • reference numeral 1 globally indicates a plant for the treatment of wastes.
  • the plant 1 comprises at least one support frame 2 of an outer casing 3 comprising a movement chamber 4 of the wastes to be treated.
  • the outer casing 3 is provided with an inlet opening 5 of the wastes to be treated and with an outlet opening 6, 7 of the treated wastes.
  • the movement chamber 4 comprises movement means 8, 9 of the wastes to be treated along a direction of forward movement D.
  • the direction of forward movement D is substantially parallel to a horizontal bearing surface S of the support frame 2.
  • the movement means 8, 9 comprise an Archimedean screw element 8.
  • the Archimedean screw element 8 is associated with motorization means 9 which are adapted to operate it in rotation around a rotation axis R.
  • the movement chamber 4 comprises at least two side walls 10. According to a preferred embodiment of the plant 1, the movement chamber 4 comprises two side walls 10.
  • the movement chamber 4 comprises three, four, five, etc. side walls 10.
  • At least one of the side walls 10 is associated in a movable manner with the support frame 2 to define an unloading opening 11 of the wastes to be treated.
  • the side walls 10 are associated with the support frame 2 by interposition of respective connecting means 12 along a substantially horizontal hinging axis I.
  • the connecting means 12 comprise at least one hinge element associated with the support frame 2 along the hinging axis I.
  • the hinging axis I is located on top of the rotation axis R; this allows the removal of the wastes to be treated in the space comprised between each side wall 10 and the Archimedean screw element 8.
  • both side walls 10 are associated with the support frame 2 by interposition of a respective hinge element 12.
  • the movement chamber 4 comprises a lower portion 13 arranged in the proximity of the hinging axes I and an upper portion 14 opposed to the lower portion 13.
  • the movement means 8, 9, that is the Archimedean screw element 8, are located at the lower portion 13.
  • the movement chamber 4 has a substantially triangular front section wherein the Archimedean screw element 8 is arranged at a vertex portion coincident with the lower portion 13.
  • the plant 1 comprises actuating means 15 associated with at least one of the side walls 10 and adapted to allow the movement thereof between a first angular configuration (Figure 6) and a second angular configuration ( Figure 7) described in detail in the remainder of the present description.
  • the actuating means 15 comprise at least one actuator element associated with one of the side walls 10.
  • the actuating means 15 comprise two actuator elements associated with each side wall 10 respectively.
  • the actuator elements 15 are of a type known to the technician skilled in the art, such as hydraulic or pneumatic pistons. Moreover, the actuating means 15, in this case the actuator elements, are operationally connected to activation means, not shown in detail in the figures, and adapted to allow the passage of the side walls 10 from the first angular configuration ( Figure 6) to the second angular configuration ( Figure 7), and vice versa.
  • the activation means are of the type of a hydraulic circuit which can be activated by an operator according to the needs of the latter.
  • the operator activates the activation means so that the movement means 8, 9 allow the switch from the first angular configuration ( Figure 6), wherein the side walls are facing upwards with respect to a horizontal plane P passing through the hinging axes I, and the movement chamber 4 is closed and isolated from the outside to the second angular configuration ( Figure 7), wherein at least one side wall 10 faces downwards with respect to the horizontal plane P to define an unloading ramp of the wastes to be treated, and the movement chamber 4 is open and accessible from the outside.
  • both the side walls 10 are associated movable with the support frame 2
  • the latter define an angle A comprising the movement means 8, 9 inside it, that is the Archimedean screw element 8.
  • the plant 1 comprises a sorting chamber 17 arranged downstream of the movement chamber 4 with respect to the direction of forward movement D and comprising sorting means 18 of the wastes to be treated fed by the movement means 8, 9.
  • the sorting means 18 are of a type known to the expert in the field and can e.g., be of the type of an Archimedean screw element housed inside a filter element.
  • the outlet opening 6, 7 is made at the sorting chamber 17. Specifically, the outlet opening 6, 7 comprises a first outlet opening 6 of the treated solid wastes and a second outlet opening 7 of the treated liquid or semi-liquid wastes.
  • the plant 1 comprises a pretreatment chamber 16 arranged on top of the movement chamber 4 and comprising grinding means 19, 20 of the wastes to be treated.
  • the inlet opening 5 is arranged at the pretreatment chamber 16.
  • the grinding means 19, 20 preferably comprise a rotor element 19 associated with a motor assembly 21, 22, 23 adapted to allow the rotation thereof around a reference axis Q.
  • the reference axis Q and the rotation axis R are arranged substantially horizontally and parallel to each other.
  • the grinding means 19, 20 comprise a plurality of shredding elements 20 associated with the rotor element 19.
  • the shredding elements 20 are of the type of protruding wedges with respect to the surface of the rotor element 19.
  • the motor assembly 21, 22, 23 comprises motor means 21, clutch means 22 and reduction means 23, and is operatively connected to a processing and monitoring unit configured to control the rotational speed of the grinding means 19, 20.
  • processing and monitoring unit is configured to control the rotational speed of at least one of the grinding means 19, 20 and the movement means 8, 9.
  • the processing and monitoring unit is preferably configured to control the rotational speed of the grinding means 19, 20 and of the movement means 8, 9.
  • the processing and monitoring unit comprises detection means for detecting the first values of absorption of the motor assembly 21, 22, 23, and the second values of absorption of the motorization means 9, the processing and monitoring unit being adapted to vary the rotational speed of the grinding means 19, 20 and/or of the movement means 8, 9 according to the first values of absorption and/or to the second values of absorption detected.
  • the processing and monitoring unit intervenes by blocking the rotation of the rotor element 19 when the first values of absorption exceed a threshold limit value that can be preset depending on the weight of the wastes to be treated entering the pretreatment chamber 16.
  • the processing and monitoring unit intervenes by blocking the rotation of the rotor element 19, i.e. by activating blocking means 24 associated with the latter; this significantly reduces the risk of breakage of the rotor element 19 and slows down the wear processes tied to the overload of the same.
  • the activation of the blocking means 24 causes the simultaneous activation of the clutch means 22 which interrupt the transmission of motion from the motor means 21 to the reduction means 23.
  • the plant itself comprises adjustment means 25, 31 for adjusting the particle size of the wastes to be treated.
  • the adjustment means 25, 31 are internally associated with the pretreatment chamber 16 and are movable close to/away from the grinding means 19, 20.
  • the adjustment means 25, 31 comprise a comb element 25 provided with a first support element 27 associated with the pretreatment chamber 16, and a plurality of first tooth elements 28 associated with the first support element 27.
  • each first tooth element 28 comprises a covering element 29 made of a rigid and abrasive material.
  • the comb element 25 is arranged at a predefined distance Di from the rotor element 19.
  • the predefined distance Di is adapted to allow the shredding elements 20 to transit substantially to size and is variable in approaching/moving away from the rotor element 19 according to the operators’ needs.
  • the adjustment means 25, 31 comprise actuating means 31 associated with the comb element 25 and adapted to vary the predefined distance Di.
  • the actuating means 31 comprise a piston element 31 associated with the comb element 25.
  • the piston element 31 is adapted to vary the predefined distance Di depending on the particle size of the wastes to be treated.
  • the piston element 31 performs a motion substantially parallel to the horizontal plane P.
  • the actuating means 31 are connected to control and adjustment means for controlling and adjusting the predefined distance Di which can be operated manually by an operator.
  • control and adjustment means are of the type of a hydraulic circuit which can be operated by the operator depending on their requirements.
  • the processing and monitoring unit comprises the control and adjustment means of the predefined distance Di.
  • the plant 1 comprises a counter-comb element 26 associated with the pretreatment chamber 16 on a portion of the latter substantially opposite the comb element 25.
  • the counter-comb element 26 is also provided with a second support element 34 associated with the pretreatment chamber 16 and with a plurality of second tooth elements 30.
  • the counter-comb element 26 is adapted to prevent the fall of the wastes to be treated passing through the pretreatment chamber 16 inside the movement chamber 4; this ensures that all the wastes to be treated at the inlet to the pretreatment chamber 16 pass through the grinding means 19, 20 thus reducing their particle size.
  • the counter-comb element 26 is manually movable by the operator between an operational position in which it is arranged substantially adjacent to the rotor element 19 and an unloading position in which it is moved away from the rotor element 19.
  • the counter-comb element 26 is adapted to allow the removal of any residual wastes to be treated which have remained adhered to the shredding elements 20.
  • the plant 1 also comprises an iron removing chamber 35 positioned between the pretreatment chamber 16 and the movement chamber 4 and, in turn, comprising iron removing means 36, 37 of the wastes to be treated.
  • the iron removing chamber 35 comprises a sorting section 38 for sorting the ferrous fragments contained in the wastes to be treated, and a collection section 39 for collecting the ferrous fragments placed below the iron removing means 36, 37.
  • the iron removing means 36, 37 comprise at least one hollow cylinder 36 associated with the rotation means adapted to allow the setting in rotation thereof around a relevant centering axis E.
  • the hollow cylinder 36 is made of a metal material such as, e.g., steel.
  • the centering axis E is substantially parallel to the rotation axis R and to the reference axis Q.
  • the iron removing means 36, 37 comprise at least one magnetic element 37 housed internally of the hollow cylinder 36.
  • the magnetic element 37 has a substantially semi-cylindrical conformation.
  • the magnetic element 37 is of the type of a permanent magnet.
  • the iron removing chamber 35 comprises means for fixing the magnetic element 37 in a fixed position inside the hollow cylinder 36.
  • the hollow cylinder 36 is operable in rotation around the magnetic element 37 which, being kept in a fixed position, generates a magnetic field defining an active area 40 positioned at the sorting section 38, and a passive area 41 opposite the active area 40, and positioned at the collection section 39.
  • any ferrous fragments contained in the wastes to be treated coming out of the grinding means 19, 20, crossing the collection section 39, are attracted by the magnetic element 37 and, therefore, adhere to the hollow cylinder 36 which drags them from the active area 40 to the passive area 41 where they are unloaded into the collection section 39.
  • the iron removing chamber 35 comprises scraping means 42 for scraping the ferrous fragments from the hollow cylinder 36.
  • the scraping means 42 are arranged at the passive area.
  • the scraping means 42 are arranged on top of the collection section 39 and are adapted to remove any ferrous fragments which have remained adhered to the hollow cylinder 36.
  • the plant 1 comprises directing means 43 for directing the wastes to be treated coming out of the grinding means 19, 20 towards the iron removing chamber 35.
  • the directing means 43 comprise at least one guiding stretch arranged below the rotor element 19 and adapted to facilitate the fall of the wastes to be treated from the grinding means 19, 20 towards the iron removing means 36, 37.
  • the directing means 43 comprise two guiding stretches opposite each other and arranged inclined and converging towards the iron removing means 36, 37.
  • the collection section 39 consists, e.g., of a drawer in which the fragments are collected inside the plant 1 and which drawer must be emptied periodically.
  • the collection section 39 consists of an exit chute which conveys the ferrous fragments directly outside the plant 1.
  • the plant 1 comprises at least one load cell 33 associated with the support frame 2, operationally connected to the processing and monitoring unit and adapted to detect at least one force value exerted by the wastes to be treated on the outer casing 3.
  • the plant preferably comprises a plurality of load cells 33 arranged below the movement chamber 4 and the sorting chamber 17, and adapted to detect at least one value of weight force exerted by the wastes to be treated on at least one portion of the movement chamber 4 and of the sorting chamber 17.
  • the load cells 33 are adapted to send the value of weight force detected to the processing and monitoring unit which, by integrating this value with the first values of absorption detected and with the second values of absorption detected, adjusts the rotational speed of the grinding means 19, 20 and/or of the movement means 8, 9.
  • the processing and monitoring unit can in fact be programmed with the weight of the wastes to be treated entering the plant 1 ; this value is then compared with the first values of absorption and with the second values of absorption.
  • the processing and monitoring unit intervenes by blocking the rotation of the grinding means 19, 20; this means that the presence of high first values of absorption is representative of an overload of the rotor element 19 and of the low presence of wastes to be treated inside the movement chamber 4.
  • the operation of the present invention is as follows.
  • the wastes to be treated enter the pretreatment chamber 16 passing through the inlet opening 5.
  • the operator varies the predefined distance Di of the comb element 25 with respect to the rotor element 19.
  • the wastes to be treated pass through the grinding means 19, 20 which cause these to be crushed, moving these by means of the shredding elements 20 and causing these to abut against the covering element 29.
  • the wastes to be treated leaving the grinding means 19, 20 fall in the sorting section 38.
  • the rotation of the hollow cylinder 36 allows the removal of the ferrous fragments contained in the wastes to be treated, and the relevant collection inside the respective collection section 39.
  • the remaining wastes to be treated fall, along the direction of fall C, inside the movement chamber 4.
  • the Archimedean screw element 8 determines the movement of the wastes to be treated by moving these to the sorting chamber 17.
  • the operator activates the activation means so that the actuating means 15 cause the switch of the side walls 10 from the first angular configuration ( Figure 6) in which they face upwards with respect to the horizontal plane P, to the second angular configuration ( Figure 7) in which at least one side wall 10 faces downwards with respect to the horizontal plane P defining the unloading ramp for the wastes to be treated.
  • the switch from the first angular configuration to the second angular configuration makes the Archimedean screw element 8 easily accessible from the outside.
  • the operator activates the activation means so that the side walls 10 return to the first angular configuration.
  • the Archimedean screw element 8 conveys the wastes to be treated to the sorting chamber 17 where the sorting means 18 terminate the treatment thereof by separating them into a solid fraction and into a liquid or semi-liquid fraction.
  • the solid fraction comes out of the sorting chamber 17 through the first outlet opening 6 and, in parallel, the liquid or semi-liquid fraction comes out of the sorting chamber 17 through the second outlet opening 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Fertilizers (AREA)

Abstract

La présente invention concerne une installation (1) pour le traitement de déchets, comprenant au moins un cadre de support (2) d'un boîtier externe (3) comprenant, à son tour : une chambre de déplacement (4) comprenant des moyens de déplacement (8, 9) pour déplacer les déchets à traiter le long d'une direction de déplacement vers l'avant (D) ; une chambre de tri (17) disposée en aval de la chambre de déplacement (4) par rapport à la direction de déplacement vers l'avant (D) et comprenant des moyens de tri (18) des déchets à traiter alimentés par les moyens de déplacement (8, 9). L'invention comprend au moins une chambre de prétraitement (16) disposée au-dessus de la chambre de déplacement (4) et comprenant des moyens de broyage (19, 20) des déchets à traiter.
PCT/IB2019/052984 2018-04-12 2019-04-11 Installation pour le traitement de déchets WO2019198022A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19724611.9A EP3774056A1 (fr) 2018-04-12 2019-04-11 Installation pour le traitement de déchets

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102018000004456 2018-04-12
IT102018000004456A IT201800004456A1 (it) 2018-04-12 2018-04-12 Impianto per il trattamento di rifiuti

Publications (1)

Publication Number Publication Date
WO2019198022A1 true WO2019198022A1 (fr) 2019-10-17

Family

ID=62816962

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2019/052984 WO2019198022A1 (fr) 2018-04-12 2019-04-11 Installation pour le traitement de déchets

Country Status (3)

Country Link
EP (1) EP3774056A1 (fr)
IT (1) IT201800004456A1 (fr)
WO (1) WO2019198022A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111437951A (zh) * 2020-04-02 2020-07-24 杭州蒙图机械设计有限公司 一种具有粉碎功能的石油焦筛选装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2248608A1 (fr) * 2008-01-23 2010-11-10 Kouichi Shin-Ya Broyeur à déchets
WO2012095750A2 (fr) * 2011-01-14 2012-07-19 Shred-Tech Corporation Déchiquetage de matériau recyclable contenant des informations

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2248608A1 (fr) * 2008-01-23 2010-11-10 Kouichi Shin-Ya Broyeur à déchets
WO2012095750A2 (fr) * 2011-01-14 2012-07-19 Shred-Tech Corporation Déchiquetage de matériau recyclable contenant des informations

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111437951A (zh) * 2020-04-02 2020-07-24 杭州蒙图机械设计有限公司 一种具有粉碎功能的石油焦筛选装置

Also Published As

Publication number Publication date
EP3774056A1 (fr) 2021-02-17
IT201800004456A1 (it) 2019-10-12

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