Paịpụ T91+Alloy 28 nke ígwè bimetal | Okpomọkụ dị elu + Tube na-eguzogide nchara - Womic Steel Foto a na-egosi

T91+Alloy 28 Bimetal Metal Clad Paịpụ | Okpomọkụ dị elu + Tube Na-eguzogide Nrụgide – Womic Steel

Nkọwa Dị Mkpirikpi:

Paịpụ T91+Alloy 28 nke e ji ígwè rụọ nke ọma, nke a na-ejikọtaghị nke ọma. T91 dị n'èzí (X10CrMoVNb9-1) na-enye ike ịrịgo ruo 650°C; Alloy dị n'ime 28 (UNS N08028) na-eguzogide chlorides dị elu, sulfuric/phosphoric acid, na ọnọdụ gbara ụka. Emere ya site na ihe e ji kpụọ centrifugal + ihe e ji kpụọ ọkụ - nke na-enweghị ntụpọ zuru oke, enweghị njikọta ogologo oge. Ọ dị mma maka ọkpọkọ ndị na-ekpo ọkụ, ihe na-ekpo ọkụ mkpofu, ihe na-agbanwe okpomọkụ kemịkalụ dị elu.

Zitere anyị ozi-e Nkọwapụta Ngwaahịa

Nkọwa Ngwaahịa

Akara Ngwaahịa

Mpụta (Azụ)

Mpụta (Azụ):T91 (X10CrMoVNb9-1 / 1.4903 / A213 T91) – ígwè na-eguzogide mmiri ozuzo, ọrụ kachasị elu nke 650°C

Ime (Mkpuchi):Alloy 28 (UNS N08028 / 1.4563 / Sandvik 28) – elu Cr/Ni/Mo/Cu austenitic alloy, PREN 38–40

Oke nha:OD 38mm – 168mm; Ọkpụrụkpụ mgbidi mpụta 4mm – 15mm; Ọkpụrụkpụ mkpuchi 1.8mm – 3.5mm; Ogologo otu ruo 15m

Usoro:Ntinye centrifugal + mwepụ ọkụ - ike ịkpụ ígwè ≥300 MPa

Ụkpụrụ:ASTM A213 (T91), API 5LD (paịpụ a kpara akpa), NACE MR0175, PED 2014/68/EU

Ngwa:Igwe ọkụ/ihe na-ekpo ọkụ nke ukwuu nke na-eme ka boiler dị oke mkpa, nkeji mgbake okpomọkụ mkpofu (osisi sulfuric acid), ihe na-agbanwe okpomọkụ dị elu maka hydrocarbons chlorine, biomass/ụlọ ọrụ ihe mkpofu-site-ike

1. Nchịkọta - Ihe kpatara T91+Alloy 28 Clad Pipe

Ọrụ okpomọkụ dị elu na-ewetakarị nsogbu: ihe siri ike iji lanarị ihe na-asọ asọ (dị ka T91) na-emebi ikuku flue ma ọ bụ mmiri usoro; ihe alloy na-eguzogide nchara (dị ka Alloy 28) enweghị ike okpomọkụ dị elu ma dị oke ọnụ.

Paịpụ T91+Alloy 28 nke ejiri ígwè kpuchiena-edozi nke a site na ikewa ọrụ:

lT91 dị n'èzíihu gburugburu ebe okpomọkụ dị elu (dịka ọmụmaatụ, gas flue na 600-650°C) ma na-enye ike mgbawa.

lNgwa dị n'ime 28na-ejikwa mmiri na-emebi emebi (dịka ọmụmaatụ, acid condensate, chlorides) n'elu ime ya.

Nchikota ahụ bụenweghị nsogbu– enweghị njikọ ogologo oge nke njikọta njikọta na-enweghị ogologo oge – site na usoro nhazi centrifugal na mwepụ ọkụ. Nke a na-ewepụ ebe kachasị adịghị ike dị na paịpụ ndị a kpara akpa.

Nhazi nkịtị ebe T91+Alloy 28 kacha mma:

Nhazi	Akụkụ mpụta	Akụkụ dị n'ime	Ihe atụ
Igwe ọkụ ọkụ nke na-ekpo ọkụ ọkụ	Gas anwụrụ ọkụ (650°C, na-eme ka oxidation dị)	Uzuoku (450 550°C, dị ọcha)	T91 anaghị anabata oxidation mpụga; Alloy 28 adịghị mkpa? N'ezie akụkụ uzuoku achọghị alloy pụrụ iche. Ihe atụ ka mma:ihe na-agbanwe okpomọkụ ebe mmiri na-emebi emebi na-asọba n'ime- T91 dị n'èzí na-ewe oke okpomọkụ gas; Alloy 28 dị n'ime na-eguzogide nchara.
Ojiji ziri ezi:Paịpụ a na-etinye n'ime ihe mkpofu ihe mkpofu n'okpuru osisi sulfuric acid - gas dị ọkụ (~500°C) SO₂/SO₃ n'èzí (T91 na-ejikwa creep), acid diluted nwere ike ịgbakọta n'ime n'oge nsogbu (Alloy 28 na-eguzogide). A na-ejikwa ya naboiler biomassebe chlorine dị na gas flue na-akpata nchara okpomọkụ dị elu - Alloy 28 dị ka ihe mkpuchi dị n'ime? Ọ ka mma itinye ihe mkpuchi n'akụkụ ọkụ. Mana imewe anyị na-etinye ihe mkpuchi n'ime, na-azụ azụ n'èzí. Ka anyị gbanwee usoro: Enwere ike ịhazi paịpụ a kpuchiri ekpuchi n'ụzọ ọ bụla. Womic nwere ike imepụta na CRA na ID (maka nchara dị n'ime) ma ọ bụ na OD (maka nchara dị n'èzí). A na-enye T91+Alloy 28 na-abụkarị ya.Alloy 28 dị na IDna T91 na OD.

Maka idoanya:T91 mpụta (OD) na-enye ike nrụgide na iguzogide ihe na-asọ asọ; Alloy 28 dị n'ime (ID) na-eguzogide nchara sitere na mmiri usoro ahụ.Ọ bụrụ na ihe na-akpata nsogbu bụ mmebi mpụga, anyị nwere ike ịgbanwe oyi akwa ahụ.

2. Nkọwapụta Ihe

2.1 Ihe mejupụtara kemịkalụ (Nkịtị, %)

Ihe	T91 (Mpụta)	Alloy 28 (Ime)
Kabọn (C)	0.08–0.12	≤0.03
Silikọn (Si)	0.20–0.50	≤0.50
Manganese (Mn)	0.30–0.60	≤2.00
Fọshọrọs (P)	≤0.020	≤0.030
Sọlfọ (S)	≤0.010	≤0.015
Chromium (Cr)	8.0–9.5	26.0–28.0
Nickel (Ni)	≤0.40	29.0–32.0
Molybdenum (Mo)	0.85–1.05	3.0–4.0
Kọpa (Cu)	—	0.6–1.4
Vanadium (V)	0.18–0.25	—
Niobium (Nb)	0.06–0.10	—
Nitrogen (N)	0.03–0.07	—

2.2 Njirimara Mechanical (Okpomọkụ Ụlọ)

Akụ na ụba	T91	Alloy 28
Ike Mmepụta (min, MPa)	415	220
Ike nrụgide (min, MPa)	585	500
Ogologo (nkeji, %)	20	30
Isi ike (max, HB)	250	230

2.3 Ike Okpomọkụ Dị Elu (T91)

Okpomọkụ (°C)	Ike mgbawa nke awa 100,000 (MPa)	Ike Mmepụta (MPa)
550	150	320
narị isii	100	280
620	80	260
650	50	220

Alloy 28 nwere oke na ~ 450°C n'ọrụ ire ere mana ọ nwere ike iguzogide okpomọkụ ígwè dị elu n'okpuru ọnọdụ na-adịghị emebi emebi.

2.4 Nguzogide Njehie (Alloy 28)

Gburugburu Ebe Obibi	Nguzogide
Sọlfuric acid (njupụta niile)	Dị mma ruo 80°C
Asịd phosphoric	Ọ dị mma nke ukwuu
Chlorides (mkpọchi / oghere)	PREN 38-40, CPT ~50°C
H₂S + CO₂ + chloride	Ọ dị mma nke ukwuu (ọrụ dị nro)
asịd organic	Ọ dị mma nke ukwuu

Alloy 28 karịrị 316L na 904L n'ebe nwere nnukwu chloride + acid ma ọ dị ka Alloy 825 n'ọtụtụ oge.

3. Usoro Mmepụta - Ntugharị Centrifugal Na-enweghị Ntụpọ + Mgbakwunye

Nzọụkwụ	Nkọwa
1. Ịkpụ ọkpọkọ Alloy 28 nke dị n'etiti centrifugal	A na-atụba Alloy 28 melt n'ime tube dị arọ nke nwere mgbidi dị larịị.
2. Tinye ma chịkọta	A na-etinye oghere Alloy 28 n'ime igwe ígwè T91 (e tinyere ya tupu oge eruo ka ọ dabara).
3. Mkpọpụta ọkụ	A na-ekpo ọkụ billet ahụ ruo 1150-1200°C ma na-esi na ihe e ji kpụọ ya apụta. Oke mbelata dị elu (≥8:1) na-emepụta njikọ ígwè na njikọ ahụ. Mgbakwunye ahụ na-emekwa ka nhazi ọka dịkwuo mma.
4. Ịse ihe n'oyi / ịpụ apụ (nhọrọ)	Maka nnabata siri ike ma ọ bụ obere dayameta, a na-etinye ọtụtụ ngafe oyi na-eme ka a ...enwe ike ịnagide ya.
5. Ọgwụgwọ okpomọkụ	Nhazi (1050°C) + okpomọkụ (760°C) maka T91; A na-agbaze Alloy 28 n'otu okirikiri ahụ.
6. Ịhazi na imecha	Nhazi nke ọma, ịkpụ ya ruo n'ogologo, bepụ ya na njedebe.
7. NDT na nnwale	Lee Nkebi nke 4.

4. Njikwa na Nnwale Ogo

Ule	Ụzọ	Oke	Nnabata
Nyocha kemịkalụ	OES	Okpomọkụ ọ bụla (n'ígwé abụọ ahụ)	Kwa nkọwapụta ihe
Njikọ UT	Ahụ zuru oke, ogologo oge + ịkwa akwa	100% tube a na-ewepụ	Enweghị mwepụ ike > 50mm
Nrụgide @ RT	Ihe nlele ogologo	Kwa otu	Zutere nkọwapụta
Mgbatị okpomọkụ dị elu	600°C (nhọrọ)	Kwa arịrịọ	Akọrọ
Mgbawa na-agbawa agbawa	600°C / 650°C (nhọrọ)	Kwa arịrịọ	Akọrọ
Nnwale ime ka ihe dị nro	Kwa ASTM A1016	Ibe ọ bụla	Enweghị mgbawa
Nnwale Hydrostatic	Nrụgide imewe 1.5 ×	Tubọọ ọ bụla	Enweghị ntapu mmiri
Nnyocha nha	Mikromita / laser	100%	OD, WT, ogologo
Nchikota dị n'etiti granular	ASTM A262 Practice E (na Alloy 28)	Kwa arịrịọ	Enweghị mwakpo

Akwụkwọ:EN 10204 Ụdị 3.1 (ọkọlọtọ) ma ọ bụ Ụdị 3.2 (onye akaebe nke atọ).

5. Oke nha

OD (mm)	Ndabere (T91) WT (mm)	Ihe mkpuchi (Alloy 28) WT (mm)	Ogologo Kachasị (m)
38.1	4.0 – 8.0	1.8 – 2.5	15
44.5	5.0 – 8.0	1.8 – 2.5	15
51.0	5.0 – 10.0	2.0 – 2.8	15
63.5	5.0 – 12.0	2.0 – 3.0	15
76.2	6.0 – 12.0	2.0 – 3.0	15
88.9	6.0 – 12.0	2.0 – 3.0	15
101.6	6.0 – 12.0	2.0 – 3.0	15
114.3	6.0 – 12.0	2.0 – 3.0	12
141.3	8.0 – 15.0	2.2 – 3.5	12
168.3	8.0 – 15.0	2.5 – 3.5	12

Enwere ike itinye OD buru ibu site na njikọ mpịakọta ọkụ (njikọ njikọta) - kpọtụrụ maka nkọwa.

6. Ngwa Ndị A Na-ejikarị

● Ọkpọkọ ihe na-ekpo ọkụ / ihe na-ekpo ọkụ nke ukwuu nke na-eme ka ọ dị mma- ebe okpomọkụ akụkụ nke gas flue karịrị 600°C na ebe akụkụ steam ma ọ bụ ihe ndị dị n'ime chọrọ nchebe nchara.

●Igwe mmiri mkpofu nke na-agbake okpomọkụ na osisi sọlfọric acid– gas SO₂/SO₃ dị ọkụ n'èzí, ihe egwu nke mmịpụta acid adịghị ike n'ime. T91 na-enye ike ịrịgo; Alloy 28 na-eguzogide mwakpo acid.

●Ihe ndị na-agbanwe okpomọkụ dị elu maka hydrocarbons chlorine- mmiri dị n'ime nwere chlorides na organic acids ruo 400°C; Alloy 28 na-egbochi nkụchi na SCC.

●Biomass / ihe mkpofu nye osisi ike- gas flue nwere nnu chlorine na alkali; tube T91+Alloy 28 a kpụrụ akpụ (ya na Alloy 28 n'akụkụ ọkụ) na-eme ka tube ahụ dịgide ogologo oge.

●Igwe na-eme mgbanwe hydrogen / ihe na-eme ka mmiri oyi syngas dị- ọrụ ebe okpomọkụ dị elu na mmebi site na ihe ndị na-emerụ ahụ dị.

7. Gịnị kpatara Womic Steel ji arụ ọrụ maka T91+Alloy 28

●Ọdịdị na-enweghị ntụpọ- enweghị eriri ogologo oge nke njikọta, na-ewepụ ebe a na-anaghị arụ ọrụ nke ọma na ọrụ okirikiri okpomọkụ dị elu.

● Ụzọ extrusion a nwapụtara– Anyị nwere ahụmịhe n'ịmepụta obere tubes dị warara, nke nwere mgbidi dị gịrịgịrị maka ngwa ọkụ na ihe mgbanwe okpomọkụ.

● Ike U-bend- Ngbachi oyi na ọgwụgwọ okpomọkụ; nwere ike inye ihe ndị e ji eme ihe na-ekpo ọkụ nke ọma.

● Ịchọpụta ihe zuru oke– Tubọọlụ ọ bụla e ji nọmba okpomọkụ nke T91 na Alloy 28 mara.

● Asambodo– EN 10204 Ụdị 3.2 dị; enwere ike iji TÜV, BV, ma ọ bụ DNV rụọ ọrụ maka ịgbaso koodu boiler.

8. Ajụjụ Ndị A Na-ajụkarị

A: Enwere ike iji T91+Alloy 28 rụọ ọrụ hydrogen dị elu?
A: T91 nwere ike ibute mgbakasị hydrogen n'oge okpomọkụ dị elu. Maka ọrụ hydrogen, anyị na-akwado ígwè alloy dị ala + 316L ma ọ bụ Inconel 625 clad. Kpọtụrụ anyị maka ndụmọdụ ụfọdụ.

A: Ihe mkpuchi Alloy 28 ọ dị na ID mgbe niile?
A: Nhazi ọkọlọtọ anyị bụ Alloy 28 na ID (akụkụ mmiri). Maka ngwa ebe ihe na-akpata nsogbu nke nchara mpụga (dịka ọmụmaatụ, gas flue corrosion dị elu n'èzí), anyị nwere ike ịmepụta tube a kpuchiri ekpuchi nwere Alloy 28 na OD. Biko kọwaa ntụzịaka mgbe ị na-enye iwu.

Q: Kedu ihe bụ ọkpụrụkpụ mkpuchi kacha nta maka njikọ a pụrụ ịtụkwasị obi?
A: Maka mpụta na-enweghị ntụpọ, 1.5mm bụ nke kacha nta. Maka oke nchara siri ike, anyị na-akwado ≥2.0mm.

Q: Ị nwere ike inye U-bend?
A: Ee. Anyị na-eji mandrel eme mgbagọ oyi, wee jiri okpomọkụ zuru oke (nkwụsị nrụgide ma ọ bụ nhazi + mgbanwe okpomọkụ) na 100% NDT nke ngalaba gbagọrọ agbagọ.

Q: Kedu ka Alloy 28 si tụnyere Incoloy 825?
A: Alloy 28 nwere Cr na Ni dị elu, Mo dị ntakịrị ala, ma nwee Cu. O yiri nnọọ nke ukwuu n'ihe gbasara iguzogide nchara n'ozuzu ya. Alloy 28 na-adịkarị ọnụ ala karịa na Europe; Incoloy 825 na-adịkarị na ọrụ nkọwapụta US. Enwere ike iji ha abụọ maka ọrụ acidic/chloride yiri ya. Anyị na-enye ma ọ bụrụ na anyị arịọ ya.