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7/31/2019 05_Hochoefen_RO
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 1
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
Capitolul 7 BREF: Furnalele
Structura:7.1 Tehnici si procese aplicate
7.2 Niveluri generale de consum si emisie7.3 Tehnici de considerat la determinarea BAT
7.4 Cele mai bune tehnici disponibile (BAT)7.5 Tehnologii de viitor si dezvoltarile viitoare
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 2
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.1 Tehnici si procese aplicate
► Procesul furnalului
► Incarcarea furnalului
► Cuptorul de incalzire (generarea de curenti fierbinti)
► Structura, desprafuirea si verificarea gazului de furna
► Suflarea directa a agentilor de reducere
► Evacuarea din furnal
► Tratarea zgurei
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 3
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
► Procesul furnalului (1)Sinter, cocs,
aditivi
Mori
Saci pt
pulberi
Pulberi de furnal Spalator
Horden
Spalator
Theisen
Furnal catre incalzitor
(cowper) si centrala
electrica
Concentrat
zincBaie decantare
Filtru textil
Fonta
Vant
fierbinteVant rece
Aer
Incalzitor
Furnal
Zgura Amestec
Aliaj
Desulfurare
Masina turnareCuptor inductieOala turnare
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 4
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
► Procesul furnalului (2)
1. Incarcare incarcatura
2. Banda inclinata
3. Dispozitiv incarcare
4. Recipientul furnalului
5. Sistem mare de conducte
6. Sac praf
7. Ciclon8. Scruber
9. Oale tubulare cu rulare si basculare
10. Hala turnatorie
11. Incalzitor (cowper)
12. Alimentare aer fierbinte
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 5
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
►
Incarcarea (1)
Clopotul este ridicat
pentru incarcare
Clopotul este lasat in jos
pentru umplere
Incarcatura
Zona preincalzire
Cocs
Zona reducere
Racire cu
apa
Zona carbune
Conducta circulara
Zona de topire
Evacuare fonta
furnal
coloana
vatra
suport
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 6
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
►
Incarcarea (2)
Incarcarea cuminereu
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 7
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
►
Incarcarea (3)
Incarcarea pebanda
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 8
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
►
Incarcarea cu
ajutorul uneiconectari duble
la varful
furnalului
(4)
Recipient colectare minereu
Detensionare atmosferica prin
intermediul amortizoarelor fonice
Recuperarea gazelor de furnal
Recuperare (Alimentare in
reteaua de gaz)
Transportator inclinat
Clapeta de etansare si retinere materialClapeta etansare
Buncar de incarcare
Compensator
Alimentare
Pt stabilizarea presiunii
Clapeta de etansare si retinere material
Carcasa cu clapeta
Angrenaj rotativ
Conducta evacuare gaz
Capacul cuptorului
Imaginea 2
Prezentare schematica
Incarcarea
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 9
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
►
Cuptorul deincalzire
(cowper) (1)
Incalzirea Suflare
Gaze
furnalCurent de
aer
fierbinte
Curent de
aer rece
Aer uzat
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 10
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
►
Cuptorul deincalzire (2)
Pro furnal sunt
necesare 3 4
cuptoare de
incalzire.
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 11
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
► Structura, Desprafuirea si Utilizarea gazelor defurnal
CO: 20 - 28 %H2: 1 - 5 %
Gaze inerte: 67 - 80 %Valoarea calorifica: 2,7 - 4,0 MJ/Nm3
Cantitatea: 1.200 - 2.000 Nm3/t fonta
Utilizarea ca gaz de ardere pentru cuptorul de
incalzire si in otelarie (dupa desprafuire)
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 12
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
► Desprafuirea partii de dimensiuni mai mari (ciclon)
Ciclon
Gaz preepurat
Spre spalator
Imaginea 5Prezentarea schematica
Ciclon/ intrare tangentialaEvacuare pulberi
Stuturi de intrare
Gaz brut
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 13
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
► Desprafuirea gazuluide furnal cu spalatorul
Venturi
viteze mari ale gazului in
conducta Venturi,
cele mai mici picaturi de apa
leaga particulele de pulberi,
pierdere de presiune ridicata,
adica costuri mari energetice
Gazul brutGazul pur
Injectare
apa
Conducta
Venturi
Separator
picaturi
Apa cu namol
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 14
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
► Desprafuirea gazuluide furnal cu scruberul
circular
viteze mari ale gazului prin
reglarea conului,
Portiune mare de spalare,
separator de picaturi post-conectat
Gazul brut
Spatiu
circular
Con
reglabil
Separator picaturi
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 15
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
► Insuflarea directa a agentilor de reducere
- deseori pulbere de carbune,- de asemenea si pacura,
- si gaz natural,- deseuri de plastic sortate si granulate (2)
- chiar si faina animala (1)
Economisirea cocsului: prin aceasta si
reducerea emisiilor de la producerea cocsului
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 16
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
► Evacuarea din furnal
Evacuarea din furnal
reprezinta evacuareaperiodica a fontei lichide si a
zgurei lichide
Fonta si zgura curg in rigole
rezistente la foc si sunt
separate una de cealalataprintr-o racleta de separare
(Skimmer)
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 17
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
► Prelucrarea zgurei
Exista in principiu doua modalitati diferite de procedare:
a) Granularea zgurei (OCP, INBA, RASA):Zgura fluida a furnalului se granuleaza direct la fata
locului, adica se trateaza cu exces de apa, fapt ce
conduce la intarire. Astfel rezulta asa numitul nisip de
furnal
Utilizare: Industria cimentului (asa numitul ciment defurnal), constructia strazilor, vata minerala
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 18
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
► Prelucrarea zgurei
b) Generarea de bucati de zgura:Zgura fluida este transportata in vagoane tip oala si
basculata in straturi subtiri. Procesul cristalin de
intarire dureaza mai multe zile. Dupa aceea, zgura se
sparge, se macina si se sorteaza. Se obtine un
material in forma de bucati pentru constructia
drumurilor.
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 19
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
Capitolul 7 din BREF: Furnalele
Structura:7.1 Tehnici si procese aplicate
7.2 Nivelul general de consum si emisii7.3 Tehnicile de considerat la determinarea BAT
7.4 Cele mai bune tehnici disponibile (BAT)
7.5 Tehnologiile viitorului si dezvoltarile viitoare
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 20
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.2 Nivelurile obisnuite de consum si emisie
► Input
► Output
► Sursele pentru emisiile gazelor evacuate
► Sursele pentru deseurile solide/produsele secundare
► Sursele pentru emisiile din apa uzata
G R i bil l C i
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 21
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.2 Niveluri obisnuite de consum si emisie
►
Input:Sinter: 720 - 1480 kg/t RE
Minereu de fier/Peleti: 25 - 770 kg/t RE
Cocs: 280 - 410 kg/t RE
Carbune pulverizat: 0 - 200 kg/t RE
Pacura grea: 0 - 60 kg/t RE
Gaz de furnal: 1,05 - 2,7 GJ/t RE
RE = fonta
G R i bil t l C ti
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 22
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.2 Niveluri obisnuite de consum si emisie
► Output:Emisii de pulberi: 10 - 50 g/t LS*
Zgura: 200 - 290 kg/t LS*
Apa uzata: 0,1 - 3,3 m3/t LS*
Gaz de furnal: 4,4 - 5,0 GJ/t LS*
* LS = Otel lichid
G R i bil t l C ti
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 23
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.2 Niveluri generale de consum si emisie
► Surse petru gazele evacuate:- Gazul evacuat de cowper (SO2, NOX, CO),
- Emisii la incarcare (CO, pulberi),- Emisii la evacuarea din hala de turnare
(pulberi, SO2),- Emisii din prelucrarea zgurei (SO2, H2S
miros)
G R i bil t l C ti
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 24
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.2 Niveluri generale de consum si emisie
► Sursele pentru deseurile stabile/produsele secundare:
- Pulberile separate din hala de turnare
(re-aducerea pe banda de sinterizare)
- Pulberile si namolul din epurarea gazului de furnal
(Pulberile se trimit pe banda de sinterizare, namolul
contine cantitati mai mari de plumb si zinc!!)
- Zgura de furnal (Prelucrarea in bucati de zgura sau
nisip de furnal)
German Romanian bilateral Co operation
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 25
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.2 Niveluri generale de consum si emisie
► Sursele pentru emisiile prin intermediul apei uzate:
- Resturi din circuitul apei de spalare a gazului de furnal
- Apa uzta din granularea zgurei
- Resturi din circuitul apei de racire
German Romanian bilateral Co operation
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 26
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
Capitolul 7 din BREF: Furnale
Structura:7.1 Tehnici si procese aplicate
7.2 Niveluri generale de emisie si consum7.3 Tehnicile de luat in considerare la
determinarea BAT
7.4 Cele mai bune tehnici disponibile (BAT)
7.5 Tehnologiile viitorului si dezvoltari viitoare
German Romanian bilateral Co operation
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 27
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.3 Tehnicile de considerat la determinareaBAT (tehnicile integrate in proces)
PI.1 Pulverizarea directa a agentilor de reducere
PI.2 Utilizarea energetica a gazelor de furnal
PI.3 Recuperarea energiei prin detensionarea
gazului de furnal (cu ajutorul turbinei)
PI.4 Economisirea energiei la cuptoarele de incalzire
PI.5 Utilizarea rigolelor necaptusite cu gudron
German Romanian bilateral Co operation
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 28
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.3 Tehnici de considerat la determinarea BAT
(Tehnici la final de proces End-of-Pipe )
EP.1 Epurarea si utilizarea gazelor de furnal
EP.2 Desprafuirea halei de turnare (priza de purjare si rigolele)
EP.3 Inertizarea halei de turnare cu N2 lichid
EP.4 Hidro-centrifugarea namolului din epurarea gazului de furnal
German-Romanian bilateral Co-operation
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 29
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.3 Tehnici de considerat la determinarea BAT
(tehnicile la final de proces End-of-Pipe)
EP.5 Tratarea si reutilizarea apei de spalare si a gazului
de furnal
EP.6 Condensarea vaporilor proveniti din granularea
zgurei
German-Romanian bilateral Co-operation
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German-Romanian bilateral Co-operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 30
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
Capitolul 7 din BREF: Furnalele
Structura:7.1 Tehnici si procese aplicate
7.2 Nivelurile generale de consum si emisie7.3 Tehnicile de considerat la determinarea
BAT
7.4 Cele mai bune tehnici disponibile (BAT)
7.5 Tehnologiile viitorului si dezvoltarile de viitor
German-Romanian bilateral Co-operation
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German Romanian bilateral Co operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 31
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.4. Cele mai bune tehnici disponibile (BAT)
In capitolul 7.4 sunt listate in total 10 tehnici, considerate
BAT separat sau intr-o combinatie, in principiu atat la
instalatiile noi cat si la cele existente:
1. Epurarea si utilizarea gazelor de furnal
+6. Desprafuriea la cantitati de pulbere < 10 mg/m3
(vezi EP.1)
2. Pulverizarea directa a agentilor de reducere (vezi PI.1)
German-Romanian bilateral Co-operation
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German Romanian bilateral Co operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 32
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.4. Cele mai bune tehnici disponibile (BAT)
3. Recuperarea energiei din gazul de furnal cu ajutorul
unei turbine de detensionare a gazului de furnal (vezi PI.3)
4. Cuptorul de incalzire a aerului (cowper):
Valorile de emisie pentru pulberi < 10 mg/m3
si pentru NOx < 350 mg/m3
(raportat la 3 % continutude oxigen) precum si transpunerea masurilor de
economisire a energiei in timpul constructiei
German-Romanian bilateral Co-operation
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German Romanian bilateral Co operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 33
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.4. Cele mai bune tehnici disponibile (BVT)
5. Utilizarea rigolelor fara gudron7. Desprafuirea halei de turnare (acoperirea si aspirarea
gurilor de evacuare, rigolelor, racletei, umplerii oalelor
si curatarea aerului uzat cu ajutorul ESP sau FF)
sau inertizarea cu ajutorul azotului
8. Tratarea si reutilizarea apei de spalare provenite de
la spalarea gazului de furnal
German-Romanian bilateral Co-operation
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German Romanian bilateral Co operationSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 34
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.4. Cele mai bune tehnici disponibile (BAT)
9. Reducerea emisiilor rezultate la prelucrarea zgurei si
a cantitatilor de zgura ce trebuie depozitate permanentpe halde:
→ Prelucrarea zgurei de preferat in granulare in conditii
de piata corespunzatoare
→ Condensarea aburilor pentru reducerea necesara a
mirosurilor (mirosulo H2S)→ La generarea bucatilor de zgura se va evita racirea
intensa cu apa (miros H2S)
German-Romanian bilateral Co-operation
7/31/2019 05_Hochoefen_RO
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Ge a o a a b ate a Co ope at oSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 35
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.4. Cele mai bune tehnici disponibile (BAT)
10.Reducerea masiva a deseurilor
solide /a produselor secundare:
- Reducerea aparitiei deseurilor
- Utilizarea efectiva/Reciclarea
- Indepartarea controlata acantitatilor inevitabile
+
-
German-Romanian bilateral Co-operation
7/31/2019 05_Hochoefen_RO
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pSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 36
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.4. Cele mai bune tehnici disponibile (BAT)Poluantii Tehnici de
reducere
Valorile de emisie
BATPulberile din gazul
rezidual al cuptorului
de incalzire a aerului
- < 10 mg/m3*
Desprafuirea gazului
de furnal
Sisteme de spalare
sau ESP umed < 10 mg/m3*
NOx din gazul
emanat de cuptorul
de incalzire a aerului
- < 350 mg/m3*
German-Romanian bilateral Co-operation
7/31/2019 05_Hochoefen_RO
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pSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 37
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.4. Cele mai bune tehnici disponibile (BAT)
Poluant Tehnica de reducere Valorile de emisie
BATDesprafuirea
din hala de
turnare
ESP sau FF
Emisiile difuze ramase in
hala de turnare
1 - 15 mg/m3*
5-15 g/t RE
* Valorile de emisie fara perioada de referinta definita
German-Romanian bilateral Co-operation
7/31/2019 05_Hochoefen_RO
http://slidepdf.com/reader/full/05hochoefenro 38/41
pSector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 38
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
Capitolul 7 din BREF: Furnalele
Structura:
7.1 Tehnici si procese aplicate
7.2 Niveluri generale de consum si emisie
7.3 Tehnici de considierat la determinarea BAT7.4 Cele mai bune tehnici disponibile
7.5 Tehnologiile viitorului si dezvoltarileviitoare
German-Romanian bilateral Co-operation
7/31/2019 05_Hochoefen_RO
http://slidepdf.com/reader/full/05hochoefenro 39/41
Sector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 39
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.5 Tehnologiile viitorului si dezvoltarileviitorului (1)
1. Tehnologiile ce ar trebui sa imbunatateasca
procesul furnalului:a) Tehnicile High oxy-coal:
Scopul: Marirea ratei de pulverizare a agentilor dereducere, de ex. carbunele pulverizat la peste 200 kg/tRE
b) Reducerea emisiilor de CO la cuptorul de incalzire aaerului fierbinte cu canal de ardere interior
c) Recuperarea energiei din zgura de furnal, fierbinte si
lichida
German-Romanian bilateral Co-operation
7/31/2019 05_Hochoefen_RO
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Sector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 40
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.5 Tehnologiile viitorului si dezvoltarileviitoare (2)
2. Tehnologiile ca alternativa pentru procesulfurnalului:
Procesul COREX:Un proces de reducere pe baza de carbune, la care
etapele de proces, gazificarea carbunelui, reducerea
directa a minereurilor de fier in fier poros si procesul
de topire au loc intr-un agregat al canalului cuptorului.
Avantajul: Cocsul nu mai este necesar.
German-Romanian bilateral Co-operation
7/31/2019 05_Hochoefen_RO
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Sector Environment - Presentation and Discussion of BREFs
Joint Workshop BMU – MEWM
Presentation and Discussion of the BREF on
Production of Iron and Steel 41
Dr. Georg Boehm, STE
State Administration North-Rhine Westphalia
Galati – Duesseldorf, Nov. 27 to Dec. 1, 2006
7.5 Tehnologiile viitorului si dezvoltarileviitoare ???
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