IT202000002809A1 - ROTATING OVEN, ESPECIALLY FOR THE TREATMENT OF WASTE - Google Patents
ROTATING OVEN, ESPECIALLY FOR THE TREATMENT OF WASTE Download PDFInfo
- Publication number
- IT202000002809A1 IT202000002809A1 IT102020000002809A IT202000002809A IT202000002809A1 IT 202000002809 A1 IT202000002809 A1 IT 202000002809A1 IT 102020000002809 A IT102020000002809 A IT 102020000002809A IT 202000002809 A IT202000002809 A IT 202000002809A IT 202000002809 A1 IT202000002809 A1 IT 202000002809A1
- Authority
- IT
- Italy
- Prior art keywords
- plates
- waste
- rotary kiln
- outer shell
- treatment
- Prior art date
Links
- 239000002699 waste material Substances 0.000 title claims description 16
- 239000011819 refractory material Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002906 medical waste Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/20—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having rotating or oscillating drums
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/14—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge
- F27B7/16—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means
- F27B7/161—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means the means comprising projections jutting out from the wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/28—Arrangements of linings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/65—Medical waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2203/00—Furnace arrangements
- F23G2203/60—Mobile furnace
- F23G2203/601—Mobile furnace carried by a vehicle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B2007/005—Rotary-drum furnaces, i.e. horizontal or slightly inclined for the treatment of slurries or wet materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processing Of Solid Wastes (AREA)
Description
DESCRIZIONE dell'invenzione industriale dal titolo: DESCRIPTION of the industrial invention entitled:
"FORNO ROTANTE, PARTICOLARMENTE PER IL TRATTAMENTO DI RIFIUTI" "ROTATING OVEN, PARTICULARLY FOR WASTE TREATMENT"
TESTO DELLA DESCRIZIONE TEXT OF THE DESCRIPTION
La presente invenzione si riferisce ad un forno rotante, particolarmente per il trattamento di rifiuti. The present invention refers to a rotary kiln, particularly for the treatment of waste.
Compito della presente invenzione ? quello di realizzare un forno rotante migliorato rispetto alla attuale tecnica nota. Task of the present invention? that of realizing an improved rotary kiln with respect to the current known technique.
Nell'ambito di questo compito, uno scopo dell'invenzione ? quello di realizzare un forno rotante particolarmente utile per il trattamento dei rifiuti industriali dei fanghi, dei rifiuti ospedalieri, rifiuti urbani preselezionati e CSS. Within the scope of this task, an object of the invention? to create a rotary kiln particularly useful for the treatment of industrial waste, sludge, hospital waste, pre-selected urban waste and CSS.
Un altro scopo dell'invenzione ? quello di realizzare un forno rotante che permetta di controllare la temperatura del materiale e la temperatura di combustione del rifiuto. Another purpose of the invention? that of creating a rotary kiln that allows to control the temperature of the material and the combustion temperature of the waste.
Un altro scopo ancora ? quello di realizzare un forno rotante che abbia una elevata resistenza meccanica delle pareti interne, soprattutto quando il materiale trattato ? abrasivo. Yet another purpose? to create a rotary kiln that has a high mechanical resistance of the internal walls, especially when the treated material? abrasive.
Un ulteriore scopo dell'invenzione ? quello di realizzare un forno rotante con una massa rotante ridotta per migliorare la funzionalit? meccanica del forno, riducendo pertanto notevolmente gli interventi sui meccanismi di movimento, quali i rulli ed i cuscinetti motore. A further purpose of the invention? to make a rotary kiln with a reduced rotating mass to improve functionality? mechanics of the furnace, thus considerably reducing the interventions on the movement mechanisms, such as the rollers and motor bearings.
Un altro scopo dell'invenzione ? quello di aumentare la sicurezza di esercizio, sia per quanto riguarda il lato funzionale della parte termoconversione, sia per la qualit? delle scorie, per garantire perfettamente i parametri del processo di combustione programmato per ogni tipo di rifiuto che si intende trattare termicamente . Another purpose of the invention? to increase operational safety, both as regards the functional side of the thermoconversion part, and for the quality? waste, to perfectly guarantee the parameters of the combustion process programmed for each type of waste that is to be thermally treated.
Questi scopi ed altri che meglio appariranno in seguito, sono raggiunti da un forno rotante, particolarmente per il trattamento di rifiuti, caratterizzato dal fatto di comprendere una struttura rotante comprendente un mantello esterno che circonda un rivestimento interno, costituito da una pluralit? di piastre ancorate al mantello esterno; dette piastre essendo disposte a spina di pesce. These objects and others which will appear more clearly later, are achieved by a rotary kiln, particularly for the treatment of waste, characterized in that it comprises a rotating structure comprising an outer shell that surrounds an inner lining, consisting of a plurality of materials. of plates anchored to the outer shell; said plates being arranged in a herringbone pattern.
Ulteriori caratteristiche e vantaggi risulteranno maggiormente dalla descrizione di forme di realizzazione preferite, ma non esclusive, dell'invenzione, illustrate a titolo indicativo e non limitativo negli uniti disegni, in cui: Further characteristics and advantages will become clearer from the description of preferred, but not exclusive, embodiments of the invention, illustrated by way of non-limiting indication in the accompanying drawings, in which:
la figura 1 ? una vista in alzato laterale del forno a tamburo rotante secondo l'invenzione; figure 1? a side elevation view of the rotary drum furnace according to the invention;
la figura 2 ? una vista in sezione del forno a tamburo rotante; la figura 3 ? una vista in sezione della parte rotante del forno; figure 2? a sectional view of the rotary drum furnace; figure 3? a sectional view of the rotating part of the furnace;
la figura 4 ? una vista in sezione nella quale sono visibili le palette di rimescolamento; figure 4? a sectional view in which the mixing paddles are visible;
la figura 5 ? una vista in dettaglio di una parte della figura precedente; figure 5? a detailed view of a part of the preceding figure;
la figura 6 ? una vista in dettaglio di una paletta; figure 6? a detail view of a pallet;
la figura 7 illustra in dettaglio un elemento di fissaggio della parte interna; Figure 7 illustrates in detail a fastening element of the internal part;
la figura 8 illustra in dettaglio un elemento di fissaggio della parte di estremit? finale. Figure 8 illustrates in detail a fastening element of the end part? the final.
Con riferimento alle figure citate, il forno a tamburo rotante secondo l'invenzione, indicato globalmente con il numero di riferimento 1, comprende una struttura rotante 2 associata ad un dispositivo di alimentazione 3 collegato ad un dispositivo di uscita fumi 4 e ad un dispositivo di scarico scorie 5. With reference to the aforementioned figures, the rotary drum furnace according to the invention, globally indicated with the reference number 1, comprises a rotating structure 2 associated with a feeding device 3 connected to a fumes outlet device 4 and to a waste discharge 5.
Vantaggiosamente, il forno ? montato su mezzo gommato, genericamente indicato con il numero di riferimento 100, il quale ? normalizzato ed in sagoma e permette un rapido spostamento su strada, senza necessit? di scorta e di limitazione di velocit?. Advantageously, the oven? mounted on a rubberized vehicle, generally indicated with the reference number 100, which? normalized and in shape and allows a rapid movement on the road, without the need? of stock and limitation of speed ?.
La struttura rotante 2 secondo la presente invenzione comprende un mantello esterno 6 che circonda un rivestimento interno 7. The rotating structure 2 according to the present invention comprises an outer shell 6 which surrounds an inner lining 7.
Il rivestimento interno 7 ? costituito da una pluralit? di piastre 8, in acciaio speciale, ancorate al mantello esterno 6 mediante bulloni speciali 9. The inner lining 7? consisting of a plurality? of plates 8, in special steel, anchored to the outer shell 6 by means of special bolts 9.
A tale scopo, il mantello esterno 6 ? forato ed in ciascun foro viene applicato un canotto 10 con un bicchiere porta dado 11 in cui viene fatta passare una vite 12, la quale, con una piastrina 13, blocca una piastra 8, come meglio visibile nelle figure 4 e 5. For this purpose, the outer mantle 6? drilled and in each hole a sleeve 10 is applied with a nut holder 11 in which a screw 12 is passed, which, with a plate 13, blocks a plate 8, as better visible in figures 4 and 5.
Ciascuna piastra 8 ? in forma di spina di pesce. Each plate 8? in the form of a herringbone.
Le viti vengono serrate lasciando 1 irai di gioco di compensazione . The screws are tightened leaving 1 ira of compensation play.
Le piastre 8 sono preferibilmente di misure diverse, nella fattispecie quattro, a seconda del loro posizionamento. The plates 8 are preferably of different sizes, in this case four, according to their positioning.
Il particolare fissaggio al mantello 6 consente di non surriscaldare la parte esterna e nello stesso tempo di poter rilevare l'esatta temperatura delle piastre a spina di pesce 8, per poter ottenere la miglior combustione del materiale all'interno del forno . The particular fixing to the shell 6 allows not to overheat the external part and at the same time to be able to detect the exact temperature of the herringbone plates 8, in order to obtain the best combustion of the material inside the oven.
Il montaggio e lo smontaggio meccanico consentono un'efficiente manutenzione delle parti pi? usurate. The mechanical assembly and disassembly allow efficient maintenance of smaller parts. worn out.
La minor massa, rispetto ai refrattari tradizionali, consente una pi? bassa sollecitazione meccanica delle componenti rotative e permette la piena trasportabilit? del forno. The lower mass, compared to traditional refractories, allows a more? low mechanical stress of the rotating components and allows full transportability? of the oven.
Le piastre 8 garantiscono che il materiale non si attacchi alle pareti durante la combustione e questo ? importantissimo per rifiuti misti, per esempio quelli ospedalieri. 8 plates ensure that the material does not stick to the walls during combustion and this? very important for mixed waste, for example hospital waste.
Si ? in pratica constatato come l'invenzione raggiunga il compito e gli scopi prefissati avendo realizzato un forno rotante il quale presenta caratteristiche strutturali e funzionali nuove e vantaggiose rispetto ai forni rotanti tradizionali utilizzati per il trattamento dei rifiuti industriali dei fanghi, dei rifiuti ospedalieri, rifiuti urbani preselezionati e CSS. Yup ? in practice it has been observed that the invention achieves the intended aim and objects by having created a rotary kiln which has new and advantageous structural and functional characteristics compared to traditional rotary kilns used for the treatment of industrial waste, sludge, hospital waste, urban waste preselected and CSS.
Il forno rotante secondo la presente invenzione si differenzia dai forni tradizionali per essere interamente rivestito, all'interno, con placche di acciaio speciale facilmente intercambiabili . The rotary kiln according to the present invention differs from traditional kilns in that it is entirely lined, inside, with easily interchangeable special steel plates.
Il sistema a piastre 8, secondo la presente invenzione, rende possibile controllare la temperatura del materiale che si trova direttamente a contatto con la parete del forno, controllando cos? perfettamente la temperatura di combustione del rifiuto. The plate system 8, according to the present invention, makes it possible to control the temperature of the material which is directly in contact with the furnace wall, thus controlling perfectly the combustion temperature of the waste.
Si ottiene inoltre un'elevata resistenza meccanica sulle pareti interne, soprattutto per il materiale maggiormente abrasivo. Furthermore, a high mechanical resistance is obtained on the internal walls, especially for the more abrasive material.
? possibile prevenire la liquefazione del materiale da termodistruggere, che causerebbe l'inglobamento delle sostanze incombuste le quali interferirebbero con la priorit? delle scorie prodotte dalla combustione. ? Is it possible to prevent the liquefaction of the material to be heat-destroyed, which would cause the incorporation of unburnt substances which would interfere with the priority? of the waste produced by combustion.
All' insorgere di fenomeni di liquefazione dei materiali evidenziati dal controllo di temperatura, ? possibile intervenire abbassando bruscamente la temperatura stessa. At the onset of liquefaction phenomena of the materials highlighted by the temperature control,? It is possible to intervene by abruptly lowering the temperature itself.
Ci? si pu? attuare grazie alle piastre 8 impiegate nel forno, le quali non risentono di shock termici. There? can you? to be carried out thanks to the plates 8 used in the oven, which are not affected by thermal shocks.
L'isolamento termico del forno rotante ? realizzato con refrattari ceramici frapposti fra le piastre 8 ed il mantello esterno 6. The thermal insulation of the rotary kiln? made with ceramic refractories placed between the plates 8 and the outer shell 6.
Le piastre 8, di acciaio speciale, ancorate al mantello esterno con bulloni speciali, sono facilmente intercambiabili. The plates 8, made of special steel, anchored to the outer shell with special bolts, are easily interchangeable.
Le caratteristiche costruttive del rivestimento in piastre permettono di gestire un forno innovativo per la qualit? delle scorie che sono completamente inerte perfettamente inseribili nell'economia circolare come materiale di recupero. The constructive characteristics of the covering in plates allow to manage an innovative oven for the quality? waste that is completely inert and can be perfectly inserted into the circular economy as a recovery material.
La struttura del forno rotante secondo la presente invenzione permette di ridurre la massa rotante. The structure of the rotary kiln according to the present invention allows to reduce the rotating mass.
Con la riduzione della massa rotante si migliora la funzionalit? meccanica del forno e quindi si riducono notevolmente gli interventi sui materiali usuranti, quali i rulli ed i cuscinetti. With the reduction of the rotating mass it improves the functionality? mechanics of the furnace and therefore the interventions on wearing materials, such as rollers and bearings, are considerably reduced.
Inoltre, le piastre 8 permettono una piena trasportabilit? dell'impianto anche dopo la prima accensione. Furthermore, the plates 8 allow a full transportability? of the system even after the first start-up.
Il forno e le piastre sono stati progettati ponendo la massima attenzione sul concetto della sicurezza di esercizio, s?a per quanto riguarda il lato funzionale della parte termoconversione sia per la qualit? delle scorie, per garantire perfettamente i parametri del processo di combustione programmato per ogni tipo di rifiuto che si intende trattare termicamente. The oven and the plates have been designed paying the utmost attention to the concept of operational safety, both in terms of the functional side of the thermoconversion part and in terms of quality. waste, to perfectly guarantee the parameters of the combustion process programmed for each type of waste that is to be thermally treated.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102020000002809A IT202000002809A1 (en) | 2020-02-12 | 2020-02-12 | ROTATING OVEN, ESPECIALLY FOR THE TREATMENT OF WASTE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102020000002809A IT202000002809A1 (en) | 2020-02-12 | 2020-02-12 | ROTATING OVEN, ESPECIALLY FOR THE TREATMENT OF WASTE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT202000002809A1 true IT202000002809A1 (en) | 2021-08-12 |
Family
ID=70480630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT102020000002809A IT202000002809A1 (en) | 2020-02-12 | 2020-02-12 | ROTATING OVEN, ESPECIALLY FOR THE TREATMENT OF WASTE |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT202000002809A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2119051A1 (en) * | 1971-04-20 | 1972-10-26 | Brohltal AG für Stein- und Tonindustrie, 5401 Urmitz | Wedge shaped refractory bricks - with staggered or mirror image shoulders for securely interlocking linings to large dia appts |
| JPS61285313A (en) * | 1985-06-12 | 1986-12-16 | Isobe Tekko Kk | Rotary kiln for treating waste |
| CN105819713A (en) * | 2016-06-14 | 2016-08-03 | 刘伟 | Vertical wedge-shaped refractory brick for rotary limestone kiln |
-
2020
- 2020-02-12 IT IT102020000002809A patent/IT202000002809A1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2119051A1 (en) * | 1971-04-20 | 1972-10-26 | Brohltal AG für Stein- und Tonindustrie, 5401 Urmitz | Wedge shaped refractory bricks - with staggered or mirror image shoulders for securely interlocking linings to large dia appts |
| JPS61285313A (en) * | 1985-06-12 | 1986-12-16 | Isobe Tekko Kk | Rotary kiln for treating waste |
| CN105819713A (en) * | 2016-06-14 | 2016-08-03 | 刘伟 | Vertical wedge-shaped refractory brick for rotary limestone kiln |
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