Coal combustion okpomọkụ. Types of coal. Specific okpomọkụ nke combustion nke coal

coal combustion okpomọkụ a na-ewere isi criterion nke na-enye ohere iji zere njehie na nhọrọ nke mmanụ ụgbọala. Ọ bụ site na nke a bara uru na-adabere na na arụmọrụ nke ji esi mmiri ọkụ, ya elu-edu na-arụ ọrụ.

Variant okpomọkụ nchọpụta

N'oge oyi nke home kpo oku dị mkpa karịsịa. Na njikọ na Ịhazi na-abawanye na ndị na-eri nke okpomọkụ nyefe oke mmiri, ndị mmadụ nwere anya n'ihi na uzo ozo ka ikpo emana.

Nke ezigbo ụzọ dozie ugbu a nsogbu ga-nhọrọ nke siri ike mmanụ ụgbọala boilers nke nwere kacha mmepụta àgwà, nakwa-ejigide okpomọkụ.

Specific okpomọkụ nke combustion nke coal nwere anụ buru ibu na-egosi na nke ukwu nke okpomọkụ tọhapụrụ bụ ike nke na-ezu combustion kilogram nke manu. Na ji esi mmiri ọkụ na-arụ ọrụ ruo ogologo oge, ọ dị mkpa na-eburu ya mmanụ ụgbọala. Specific okpomọkụ nke combustion nke na coal dị elu (22 MJ / n'arọ), otú ahụ mmanụ ụgbọala a na-ewere ezigbo maka oru oma ọrụ nke ji esi mmiri ọkụ.

Ihe e ji mara na Njirimara nke osisi

Ugbu e nwere a na-emekarị nke mgbanwe site osisi dabeere gas combustion usoro maka siri ike anụ ụlọ kpo oku usoro.

Ọ bụghị onye ọ bụla maara na-eke a ala microclimate na ụlọ na-adabere na àgwà nke ahọrọ mmanụ ụgbọala. Dị ka a ot eji eme ihe ndị dị otú ahụ boilers, anọrọ osisi.

Na aka ike Ọnọdụ Ihu Igwe, ji a ogologo na oyi, ike ikpo osisi ụlọ dum kpo oku oge. Na a nkọ ọnụ ke okpomọkụ nke ji esi mmiri ọkụ nwe na-amanye iji ya na ndị kasị elu na o kwere omume.

Mgbe ị na-ahọrọ ihe siri ike fuels dị ka osisi, e nwere oké nsogbu na ọghọm. Mbụ anyị mara na na-ere ọkụ coal okpomọkụ nnọọ elu karịa na nke osisi. N'etiti ezughị okè na elu na-agba combustion nke osisi, nke na-emepụta oké ihe isi ike na ji esi mmiri ọkụ na ime. Ya onye nwe ya na-amanye nọgidere nyochaa nnweta nkụ na ọkụ, a nnukwu iji ọnụ ọgụgụ nke ha mkpa maka kpo oku oge.

coal nhọrọ

The okpomọkụ nke combustion nke unyi bụ nke ukwu elu, ya mere, nke a n'onwe na mmanụ ụgbọala bụ ihe magburu onwe ọzọ maka ot osisi. Anyị mara na bụ ihe magburu onwe egosi okpomọkụ, oge nke combustion usoro, obere mmanụ ụgbọala oriri. E nwere ọtụtụ ụdị coal, ndị a na-kpọmkwem mmepụta nakwa dị ka ịdị omimi nke ụwa na ndị ngiri-afọ-: nkume, lignite, Anthracite.

Onye ọ bụla n'ime ndị a nhọrọ nwere ya pụrụ iche àgwà na àgwà na-ekwe ka ya iji na ihe siri ike mmanụ ụgbọala chụọ n'ọrụ boilers. coal combustion okpomọkụ na ọkụ ga-ebelata mgbe eji lignite, ebe ya mejupụtara nwere a zuru ezu nnukwu ego nke dị iche iche adịghị. Banyere egosi nke okpomọkụ, ha ịdị ukwuu yiri osisi. The chemical mmeghachi omume nke combustion bụ exothermic, okpomọkụ nke combustion nke coal nwere kasị elu ọnụego.

Na coal mgbanye okpomọkụ esịmde 400 degrees. Ọzọkwa, a na ụdị coal calorific uru bụ nnọọ elu, n'ihi ụdị mmanụ ụgbọala na-n'ọtụtụ ebe na n'ihi na n'ụlọ kpo oku.

Oke arụmọrụ ke Anthracite. N'etiti adịghị ike nke ndị dị otú ahụ mmanụ ụgbọala dị iche ya elu na-eri. coal combustion okpomọkụ nke ụdị esịmde 2250 degrees. Ndị dị otú ahụ na-egosi nwere onye ọ bụla siri ike mmanụ ụgbọala na-emepụta si subsurface.

Atụmatụ nke oku, coal-chụọ n'ọrụ

Ndị dị otú ahụ a ngwaọrụ nwere bughi atụmatụ, na-agụnye a coal pyrolysis mmeghachi omume. Unyi adịghị emetụta minerals, ọ bụ a ngwaahịa nke mmadụ ọrụ.

Kol ọkụ okpomọkụ bụ 900 degrees, nke na-esonyere ntọhapụ nke a zuru ezu ego nke kwes ike. Gịnị bụ nkà na ụzụ nke na-eke ndị dị otú ahụ a ebube ngwaahịa? The ala akara bụ na a na-nhazi nke osisi, nke mere na e a ịrịba mgbanwe ya Ọdịdị, nhọrọ nke ya ngafe mmiri. A yiri usoro a rụrụ n'ụzọ pụrụ iche ite-ọku uku. Ụkpụrụ nke ime ihe dị otú ahụ ngwaọrụ dabeere na pyrolysis usoro. Oku maka unyi mejupụtara anọ bụ isi mejupụtara ya:

• a combustion ulo;
• e wusiri ike isi;
• mpio anwụrụ ọkụ;
• ogige imegharị ihe maka iji.

chemical usoro

Ozugbo n'ime-ulo bụ a jiri nwayọọ nwayọọ na ire ere nke osisi. Usoro a emee n'ihi ọnụnọ na ọkụ a zuru ezu ego nke gaseous oxygen comburent. Dị ka ire ere, kwuru na n'ọtụtụ zuru ezu nke okpomọkụ, na ntughari nke ngafe mmiri mmiri ka Alụlụụ.

Anwụrụ ọkụ enwupụta n'oge mmeghachi omume a na-emegharị n'ime ogige, ebe ọ na-kpamkpam nsure, okpomọkụ ọgbọ emee. The unyi stovu anamde ọtụtụ ihe dị mkpa ọtọ ihe aga-eme. Na ya enyemaka na unyi kpụrụ na nọgidere na-enwe n'ime ụlọ a ala okpomọkụ.

Ma usoro nke na-anata ndị dị otú ahụ mmanụ ụgbọala bụ ya zuru ezu na-mwute na iberibe na nwetụrụ omume zuru ezu combustion nke nkụ. Ọ dị mkpa na ụfọdụ oge wepụ si ọkụ na preform ọgbaa ọkụ.

Jiri nke unyi

Isiokwu na nkà na ụzụ yinye a nwetara ihe ndị magburu onwe ihe onwunwe, nke ike-eji maka a zuru ezu n'ụlọ kpo oku n'oge oyi kpo oku oge. N'ezie, coal combustion okpomọkụ ga-elu, ma ọ bụghị niile n'ógbè ndị dị otú ahụ dị ka ala mmanụ ụgbọala dị.

Combustion amalite na unyi na okpomọkụ nke 1250 degrees. Ka ihe atụ, agbaze ọkụ na-arụ ọrụ na unyi. The oku nke a kpụrụ site na-ọnọ na ikuku ọkụ, mfe na-agbaze ígwè.

Ịmepụta ezigbo ọnọdụ combustion

N'ihi na elu okpomọkụ oku niile esịtidem ọcha na-mere nke pụrụ iche refractory brik. N'ihi na ha pụrụ isi chọta eji fireclay. Mgbe na-eke pụrụ iche na ọnọdụ na ọ bụ ike iji nweta a oku okpomọkụ uku 2000 degrees. Onye ọ bụla ụdị coal nwere ya egosi mgbanye ebe. Mgbe na-eru ọ dị mkpa ịnọgide na-enwe mgbanye okpomọkụ, nọgidere udia oku ngafe oxygen.

Otu n'ime ihe ndị ụkọ ihe ụfọdụ nke usoro a na-anọrọ okpomọkụ ọnwụ, n'ihi na nke-enwupụta ike ga-aga site na ọjà. Nke a na-eduga ná a ẹsụhọde nke oku okpomọkụ. Na ibuo ọmụmụ, ọkà mmụta sayensị na-enwe ike iru maka dị iche iche fuels ezigbo ego nke ngafe oxygen. Site na-ahọpụta ikuku ngafe, nwere ike ịgụ na a zuru ezu combustion. N'ihi ya, i nwere ike na-atụ anya a kacha nta nke okpomọkụ ọnwụ.

ọgwụgwụ

The ikwu uru nke mmanụ ụgbọala na-inyocha site ya calorific uru, tụrụ na calories. Ewere n'ime akaụntụ dị iche iche e ji mara nke umu, ọ nwere ike kwubiri na a coal bụ kasị mma echiche nke siri ike mmanụ ụgbọala ji esi mmiri ọkụ. Ọtụtụ ndị nwe nke ha onwe ha kpo oku usoro agbasaghị iji boilers mbuaha mmanụ ụgbọala: siri ike, na mmiri mmiri, gaseous.