Usoro na-akwado combustion nke okwute ajị anụ ọkụ

Usoro nchekwa ike nke ikuku oxygen na-eme ka ọkụ ọkụ

Welie okpomọkụ ọkụ
Ọkụ ọkụ na-abawanye site na mmụba nke ikuku oxygen na ikuku combustion.N'ozuzu, ịta nke 26% - 33% kacha mma.N'ihi mmụba nke okpomọkụ, ọ ga-aba uru iji mechaa ọkụ ọkụ, belata ọkụ ọkụ, meziwanye ọkụ ọkụ ma mee ka ọkụ ahụ dị ngwa.

Fig. 1 ọkụ na ọnọdụ okpomọkụ nke gas combustion na 21% ikuku oxygen

Fig. 2 ọkụ na ọnọdụ okpomọkụ nke gas combustion na 30% ikuku oxygen
Belata ọnụ ọgụgụ nke flue gas mgbe ọkụ gbasịrị
The oxygen enriched gas nke na-erughị 1% - 3% nke mbụ ikuku olu nwere ike ibelata ọkọnọ olu site 10% - 20%.N'ihi na ikuku oxygen bara ụba nwere ike ime ka combustion nweta combustion zuru oke, n'okpuru nnukwu ntinye uche, ikuku ikuku na-ebelata, ikuku na-enye ikuku na-ebelata ọnụ ọgụgụ nke ikuku oyi na-ebute, a na-eme ka arụ ọrụ nke ọma dịkwuo mma, na mkpokọta ikuku oxygen nwere ike ịbawanye site na. 1% na olu gas flue na-ebelata 2% - 2.5% nke ike nke onye na-akwado mmanye a na-amanye, ebe ikuku ikuku na-ebelata n'otu aka ahụ, a na-echekwa ike eletrik nke onye na-eme ihe nkiri.The iyuzucha okpomọkụ enthalpy na-agụnye 79% nke nitrogen nke na-adịghị eso na combustion ikuku na-ekpo ọkụ, exothermic na okpomọkụ mgbanwe, na n'ikpeazụ hapụ na ikuku na okpomọkụ enthalpy nke iyuzucha gas okpomọkụ.Akụkụ a nke nitrogen anaghị emepụta ike ọkụ, ọ nwere ike iburu akụkụ nke ike ọkụ, na ntinye nke nkà na ụzụ combustion na-eme ka ikuku oxygen na-ebelata ọnụ ọgụgụ nke gas nitrogen na ikpo ọkụ.
Ịme ngwa ngwa ọkụ ọkụ na ịkwalite mmecha ọkụ
Maka ụfọdụ mmeghachi omume kemịkalụ aA + bB → cC + dD, ọsọ mmeghachi omume kemịkalụ bụ w = kCaACbB, K bụ ụfọdụ n'otu ọnọdụ okpomọkụ, yana ọsọ mmeghachi omume kemịkalụ bụ naanị ihe metụtara ntinye nke reactants A na B. Na-abawanye mkpokọta oxygen. ga-eme ka mmeghachi omume ahụ dị ngwa.N'otu oge ahụ, na mmụba nke ngwa ngwa mmeghachi omume, ọnụọgụ exothermic nke mmeghachi omume ga-abawanye, ọkụ ọkụ ga-abawanyekwa.
Dịka ọmụmaatụ, ọnụọgụ ọkụ nke H2 na oxygen dị ọcha bụ ugboro 2-4 nke ikuku, na nke gas dị ihe dị ka ugboro 10.2.Nkà na ụzụ nke ịgbakwunye oxygen na nkwado combustion nwere ike ọ bụghị nanị na-eme ka ọkụ ọkụ na-agba ọsọ ma nweta ọkụ ọkụ ka mma, ma na-enyere aka mmeghachi omume combustion, kwalite combustion kpamkpam ma kpochapụ mmetọ soot na isi.
Belata okpomọkụ mgbanye mmanụ ụgbọala
Igwe ọkụ ọkụ ọkụ ọkụ anaghị adịgide adịgide.Dịka ọmụmaatụ, ọkụ ọkụ nke CO na ikuku bụ 609 ℃, ebe ikuku oxygen dị ọcha bụ naanị 388 ℃.Ya mere, ọkụ ọkụ na-eme ka ikuku oxygen dịkwuo elu nwere ike ime ka ike ọkụ dịkwuo elu na ntọhapụ okpomọkụ.
Mmụba nke mgbanwe ọkụ ọkụ
Dị ka a na-ahazi ikuku oxygen bara ụba na mpaghara ikuku oxygen na azụ azụ nke ebe ọkụ ọkụ na-ekere òkè n'ịkwado combustion, ebe etiti ọkụ na-agbasawanye, na ọkụ ọkụ ọkụ na-ekpo ọkụ na-ekpo ọkụ na ọkụ ọkụ na-ekpo ọkụ na-amụbakwa, nke bụ. dakọtara na ịbawanye ebe kpo oku na mmepụta ihe ọkụkụ.
Iwu radieshon
N'ihi na nkà na ụzụ combustion oxyfuel nwere ike ibelata ọkụ ọkụ nke mmanụ ọkụ, na combustion zuru ezu na ike, dị ka Stephen Boltzmann Iwu: ngụkọta radieshon ike nke blackbody bụ proportsions na nke anọ ike nke zuru oke okpomọkụ, ya mere radiation. A na-emewanye ike nke enwetara nke ukwuu, a na-emeziwanye arụmọrụ okpomọkụ nke kiln n'ozuzu ya.

Usoro mgba ọkụ na-eme ka oxygen dịkwuo mma

Ihe achọrọ maka imepụta ngwaọrụ oxygen:
A na-achọ oxygen na usoro ọkụ ọkụ ọ bụla.Site n'ịgbakwunye oxygen ma ọ bụ dochie oxygen maka ikuku n'ime usoro ọkụ ọkụ, a ga-eme ka nnyefe ọkụ dịkwuo elu, ọkụ ọkụ na-ekpo ọkụ na-eme ka ọ dịkwuo ọkụ ma na-ebelata oriri gas, iji meziwanye mmetụta ọkụ ọkụ zuru ezu.Ya mere, ọ nwere ike inyere gị aka melite arụmọrụ mmanụ ụgbọala na mmepụta ihe.Ụzọ mmepụta oxygen nwere ike ịbụ mmepụta cryogenic, mmepụta PSA na ụzọ ndị ọzọ.Osisi ikuku oxygen adịghị etinye n'ime oke ọkọnọ.

Sistemụ ọkpọkọ usoro:
Site na nchịkọta data anyị dị elu na nlekota nhazi usoro, ị nwere ike nyochaa ọnọdụ ọrụ nke nnyefe oxygen, gụnyere eruba, ịdị ọcha, nrụgide, okpomọkụ, wdg. A ga-enyeghachi ozi ndị a na usoro nchịkwa m n'oge, njikwa PID na ndekọ data. a ga-eme ya ozugbo, ka o wee mee ka ịdị mma ngwaahịa kwụsie ike na ọnụ ahịa nrụpụta dị ala.Usoro anyị nwere ike na-akpaghị aka na-emepụta isi mmepụta na ọrụ akụkọ data na-ebipụta ha, nke mere na isi ndị ọrụ nwere ike mara deviness n'etiti ugbu a mmepụta na usoro setịpụrụ ebe ma ọ bụ lekwasịrị uru na oge.

Sistemụ nkwalite oxygen:
Usoro nkwalite ikuku oxygen anyị haziri nke ọma na-emeju oxygen maka usoro gị site na ikuku ikuku ma ọ bụ onye na-ekesa ọwa ikuku.A na-ahazi usoro ahụ dabere na parampat nke cupola nke ọ bụla iji mee ka uru dị na combustion na-eme ka ikuku oxygen dịkwuo elu - ịchekwa coke, ịba ụba ikike mmepụta, na-eme ka ọnụ ọgụgụ na-agbaze na-eme ka ọ dịkwuo mma ma melite mgbake alloy.

Sistemụ combustion oxygen dị ọcha:
Usoro nkesa mechiri emechi nke cupola dị ọcha oxygen combustion nke ụlọ ọrụ anyị nwere ike iwebata oxygen ọzọ iji belata oriri coke ma melite ọrụ cupola.Nhazi ụlọ anyị na-ejikọta ọkụ ikuku oxygen pụrụ iche yana ike ịgbasa oxygen na / ma ọ bụ ihe siri ike n'otu n'otu site na tuyeres iji kwalite mgbanwe nke cupola.Usoro ndị a nwere ike inyere gị aka ibelata coke eji eme ihe, belata ọnụ ahịa akụrụngwa, kpofuo ihe mkpofu nke ọma, ma melite ọnụego mgbaze.
Ya mere, oxygen enriched combustion usoro nke cupola bụ isi mejupụtara akụkụ ndị a:
Oxygen emejuputara combustion nke cupola bụ ịgbakwunye oxygen na combustion na-akwado ikuku nke cupola iji mee ka ikuku oxygen ya karịa uru ikuku nkịtị (21%), iji meziwanye mmepụta ígwè a wụrụ awụ wee chekwaa coke.Mgbe ọkụ na-ere ọkụ na ọnọdụ ikuku oxygen, ọkụ ọkụ na-abawanye nke ukwuu, nke nwere ike ime ka nnyefe ọkụ dị na cupola dị ike ma melite mmepụta ihe.Site na mmụba nke ọdịnaya oxygen na combustion na-akwado ikuku, ọnụ ọgụgụ nke ikuku na-akwado combustion na-ebelata ma ikuku adịghị efu ma e jiri ya tụnyere usoro ọdịnala na-enweghị mgbakwunye oxygen, nkà na ụzụ combustion nke cupola nwere uru ndị a:
Mee ka okpomọkụ dịkwuo elu ma belata mfu ọkụ nke silicon dị ala n'otu oriri coke;
Melite mmepụta ihe;
N'otu ọkụ ọkụ ahụ, a na-ebelata oriri nke coke na ọdịnaya nke S na-ebelata;
Mgbe ọkụ ahụ meghere, okpomọkụ nke ịkụ aka na-abawanye n'ụzọ doro anya n'otu oge ahụ.
Nkà na ụzụ e ji mara oxygen enriched combustion usoro

Kpọmkwem:
Mmetụta nchekwa ike dị mkpa
Ngwa dị n'ọhịa combustion dị iche iche nwere ike melite arụmọrụ ọkụ nke combustion nke ukwuu, dịka ọmụmaatụ, na ụlọ ọrụ iko, nkezi mmanụ (gas) na-echekwa bụ 20% - 40%, na igwe ọkụ ụlọ ọrụ, ọkụ ọkụ, ígwè na-emejọ na kwụ ọtọ. kiln nke ciment osisi, ike ịzọpụta bụ 20% - 50%, budata mma thermal ike arụmọrụ.

Ịgbatị ogologo ndụ ọkụ nke ọma
Nkwalite nke gburugburu ọkụ ọkụ na-eme ka okpomọkụ nkesa na ọkụ ọkụ dịkwuo mma ma na-agbatị ndụ ọrụ nke ọkụ ọkụ na ọkụ ọkụ.

Ọ na-enyere aka ịkwalite mmepụta ngwaahịa na ịdị mma
N'ime ụlọ ọrụ iko, mmụba nke ọnọdụ ọkụ na-eme ka ọnụ ọgụgụ na-agbaze na-abawanye, oge ikpo ọkụ na-ebelata, mmụba mmepụta, ọnụ ọgụgụ na-adịghị mma na-ebelata na mkpụrụ na-abawanye.

Mmetụta nchebe gburugburu ebe obibi pụtara ìhè
Ihe siri ike na-adịghị ọkụ na-ebu na gas flue na-ere ọkụ nke ọma, oji nke gas na-ekpochapụ na-ebelata, ọkụ ọkụ na-emerụ ahụ na-emepụta site na nrụrụ ọkụ na-ere ọkụ, na ọgbọ nke gas na-emerụ ahụ na-ebelata.O doro anya na a na-ebelata oke ikuku nke ikuku gas na mmetọ ikuku na-ebelata.
Nyocha uru akụ na ụba nke ikuku oxygen bara ụba na combustion
Ntụle ọnọdụ: maka 5t / h Cupola, oge ọrụ kwa afọ bụ 3600h, nke mbụ coke ruru 1:10, na mkpụrụ bụ 70%.Mgbakọ uru akụ na ụba:
Chekwa 15% nke coke (ọnụahịa coke bụ 2000 yuan / T) 5 * 3600 / 70% * (1:10) * 15% * 2000 = 770000 yuan / afọ.

Jiri oxygen 160nm3 / h (ọnụahịa oxygen bụ 1.0 yuan / m3) 160 * 3600 * 1.0 = 576000 yuan / afọ

Ihe dị ka 150000 yuan etinyela ego na akụrụngwa, nke bụ ntinye ego otu oge (echere)

Ike mụbara site na 15%.5 * 3600 * 15% = 2700t / afọ

Mkpebi: uru akụ na ụba kpọmkwem bụ ịchekwa ọnụ ahịa mmepụta nke 60000 yuan / afọ ma nwekwuo ikike mmepụta site na 2700t / afọ.Super njikọ na uru na-apụtachaghị ìhè bụ nnukwu nnukwu!