Nkọwa nke Ngwọta Sistemụ Ọgwụgwọ Gas Efufu VOC
Site na mmepe ngwa ngwa nke akụ na ụba, ọnụ ọgụgụ buru ibu nke ogige ndị na-agbanwe agbanwe VOC, n'ime afọ ndị na-adịbeghị anya, ogige organic na-agbanwe agbanwe (VOCs) aghọwo otu n'ime isi mmalite nke mmetọ ikuku, nke kpatara nnukwu ihe ize ndụ nye ahụike mmadụ na nguzozi nke gburugburu ebe obibi, njedebe nke ọchịchị VOC adọtala mmasị na ọha mmadụ.
Na ndabere nke otu ọnụ ọnụ ikuku ọgwụgwọ technology, ụkpụrụ, usoro eruba, nnyocha ọnọdụ na mmepe atụmanya nke jikọtara adsorption ịta-catalytic combustion technology kwesịrị ekwesị maka nnukwu mkpofu ikuku olu na ala ịta nke VOCs na-atụle n'ụzọ zuru ezu.
VOC gas na-ebutekarị mmerụ ahụ na ikuku:
(1) Ụfọdụ na-egbu egbu na carcinogenic na-etinye ahụ ike mmadụ;
(2) Hydrocarbons na nitrogen oxides na VOCs na-emeghachi omume iji mepụta ozone n'okpuru ọrụ nke ìhè ultraviolet, nke nwere ike iduga na ihe omume smog photochemical nke ikuku ma tinye ahụike mmadụ na uto osisi;
(3) Soro na nhazi nke ikuku ikuku nke abụọ na ikuku. Ọtụtụ n'ime aerosols nke abụọ bụ ihe dị mma, nke na-adịghị mfe idozi. Ha nwere ike ịnọ na mbara ikuku ruo ogologo oge ma nwee ike ịgbasa ike na ìhè, nke nwere ike belata nhụta ikuku;
Ka ọ dị ugbu a, ọtụtụ gburugburu ikuku dị n'obodo mepere emepe egosila mmetọ ikuku nke mpaghara, mmiri ozuzo ozone na acid na njirimara mmetọ ikuku atọ ndị ọzọ dị mgbagwoju anya, na VOC bụ otu n'ime ihe ndị na-akwalite nkwalite.
Teknụzụ ọgwụgwọ nkịtị VOCs gas:
Ọchịchị VOC dị ngwa ngwa, teknụzụ ọgwụgwọ gas VOC dị ugbu a na-ekewa ụzọ abụọ:
(1) Njikwa na isi iyi, na-ezo aka kpọmkwem na usoro iji gbochie ma ọ bụ belata VOC dị ka ihe na-emepụta ihe na njikọ mmepụta, nke bụ ụzọ kachasị mma iji chịkwaa mmetọ gas n'efu. Otú ọ dị, n'ihi njedebe nke ọkwa nkà na ụzụ, ọ ga-abụrịrị na ọ ga-agbapụta ma na-agbapụta dị iche iche nke gas na-ekpochapụ organic na gburugburu ebe obibi, nke siri ike iru.
(2) Usoro nchịkwa nke ịchịkwa na iwepụ gas VOC na njedebe nke mmepụta nwere ike kewaa ụzọ abụọ: nkà na ụzụ imegharị na teknụzụ mbibi.
Teknụzụ mgbake: bụ iji ụzọ anụ ahụ iji nwetaghachi VOC gas ụzọ anaghị emebi emebi, usoro mgbasa ozi carbon na-arụ ọrụ, usoro condensation, usoro ọgwụgwọ akpụkpọ ahụ na ihe ndị ọzọ. Ụdị usoro a nwere ike ọ bụghị nanị ịchịkwa ikuku nke VOC nke ọma, kamakwa imegharị ihe nwere ike ịchekwa ihe onwunwe ma weta uru akụ na ụba, ya mere ọ na-enwetakwu nlebara anya.
Teknụzụ mbibi: ya bụ, site na usoro mmeghachi omume nke kemịkalụ ma ọ bụ nke ndu iji mee ka VOC na-emebi emebi oxidation gas n'ime ihe na-adịghị egbu egbu ma ọ bụ ihe na-egbu egbu nke ụzọ mbibi, teknụzụ ndị bụ isi bụ combustion, mbibi photocatalytic, teknụzụ plasma, biodegradation na ihe ndị ọzọ.
Teknụzụ ọgwụgwọ gas na-emebi VOC bụ otu usoro ọgwụgwọ, dị ka ọnọdụ akọwapụtara na ihe achọrọ nke VOC na-ekpofu ikuku gas, họrọ usoro kwesịrị ekwesị; N'ihi ụdị VOC dị iche iche, ihe ndị dị mgbagwoju anya, ihe onwunwe dị iche iche, n'ọtụtụ ọnọdụ, iji nkà na ụzụ na-eme ka ọ dị ọcha na-esikarị ike izute ihe ndị ọchịchị chọrọ, na enweghị ego. N'iji uru nke teknụzụ ọgwụgwọ unit dị iche iche, usoro ọgwụgwọ jikọtara ọnụ nwere ike ọ bụghị naanị izute ihe ndị a chọrọ, kamakwa belata ụgwọ ọrụ nke akụrụngwa.
Teknụzụ ụkpụrụ nke Zeolite Rotor Concentration + Catalytic Combustion Systems:
Teknụzụ mbụ eji emeso VOC gas bụ usoro mgbasa ozi, n'etiti nke a na-ejikarị na-ahụkarị na-arụ ọrụ carbon adsorption, usoro mgbasa ozi carbon na-arụ ọrụ maka mgbasa ozi na ọgwụgwọ nke anwụrụ ọkụ halogen na usoro teknụzụ benzene bụ nke a na-ahụkarị na ụlọ ọrụ ahụ. Ụkpụrụ bụ isi nke usoro mgbasa ozi bụ iji ihe ndị nwere porous nwere nnukwu akụkụ elu dị ka adsorbent. Mgbe VOC gas na-agafe na adsorbent, n'ihi nnukwu akụkụ dị elu nke adsorbent, ụmụ irighiri VOC na-ejide n'ime elu nke micropore site na adsorbent, iji nweta mmetụta nke ịdị ọcha gas. Dị ka ihe ọhụrụ nchikota na ịrụ ọrụ nke ọma VOCs ọgwụgwọ technology, zeolite wheel Rotor Concentrator + catalytic combustion technology ejirila ọtụtụ ebe na mba ọzọ.
(1) Ụdị adsorbent
Ihe mgbasa ozi bụ isi nke teknụzụ wheel, nke a na-ejikarị carbon arụ ọrụ na zeolite molecular sieve abụọ. Carbon arụ ọrụ nwere micropores bara ụba, nnukwu mpaghara elu akọwapụtara, ikike mgbasa ozi siri ike, ọsọ ngwa ngwa, na-eji teknụzụ wheel. Na-arụ ọrụ carbon dị ka ihe adsorbent na-emeso n'efu gas, ya adsorption ikike bụ nnukwu, ọnụ ala, ma ya pore dị mfe nkwụnye, na activated carbon n'onwe ya nwere ụfọdụ flammability, mfe ijide ọkụ mgbe desorption, ga-mere a ụfọdụ nchekwa ize ndụ, adịghị izute chọrọ nke nchekwa mmepụta, ga-emetụta na ngwa ngwa.
Zeolite molecular sieve bụ ụdị hydrate ihe nwere nhazi ọkpụkpụ nke kristal aluminom silicate metal salt. Usoro kemịkalụ izugbe bụ nke a:
[(A102) x - (SiO2)y] - zH20o
Ebe M na-anọchi anya cation, m na-anọchi anya ọnụ ọgụgụ nke valence states, z na-anọchi anya ọnụ ọgụgụ nke hydration, x na puku iri bụ integers, mgbe arụchara ọrụ ahụ, A. Mmiri dị n'ime isi ga-apụ n'anya, ihe ndị fọdụrụnụ ga-akwaga na-emepụta oghere ụlọ na oghere nke 3 ~ 10Å.
Ikike adsorption nhọrọ nke zeolite molecular sieve bụ tumadi n'ihi nhazi oge niile. Zeolite molecular sieve aperture ndokwa iwu, edo nkesa, nhọrọ nke adsorption bụ tumadi n'ihi na dị iche iche zeolite aperture size dị iche iche, n'okpuru nkịtị ọnọdụ, naanị molekụla dynamic dayameta na-erughị molekul sieve oghere oghere ga-adsorbed site molekul sieve.
Enwekwara nnukwu ọdịiche dị na nhazi ọkpụkpụ na nha nke ụdị dị iche iche nke sieves molecular, na ọkpụkpụ ọkpụkpụ nke sieves molecular nwere mgbanwe dị iche iche n'ime ogo ogo, ya mere, ụfọdụ ụmụ irighiri ihe nwere dayameta molekụla dị ntakịrị karịa nha pore ahụ nwekwara ike ịkwado ya, mana ọnụọgụ adsorption na ikike mgbasa ozi ga-ebelata nke ukwuu.
N'ihi na e nwere cations na ihe owuwu na ọkpụkpụ Ọdịdị na-ezighị ezi ebubo, ọ bụ molekụla sieve n'onwe ya na polarity. Igwe ọkụ nke zeolite molecular sieve ga-emepụta ebe ọkụ eletrik dị mma siri ike, iji dọta etiti na-adịghị mma nke molecules polar, ma ọ bụ molecule polarizable site na zeolite molecular sieve electrostatic induction after polarization.
Ya mere, sieves molecular zeolite nwere ike ime ka ụmụ irighiri ihe nwere polarity siri ike ma ọ bụ polarization dị mfe mana dayameta kinetic buru ibu karịa nha pore ha. N'ihi na sieve molekụla nwere oghere pore pụrụ iche ka o wee nwee arụmọrụ pụrụ iche, n'okpuru ọnọdụ okpomọkụ dị elu na nrụgide dị ala nwekwara ike igwu ike mgbasa ozi ya. Ka ọ dị ugbu a, ụdị sieve molecular a na-ejikarị eme ihe maka mgbasa ozi bụ 13X, NaY, mercerite na ZSM-5.
Okwu mmalite nke usoro wheel zeolite
The ọmụmụ kwubiri na: ma ọ bụrụ na esichara corrugated na ewepụghị seramiiki eriri akwụkwọ iji inorganic bonding ụzọ na-eme ka a mmanụ aṅụ wheel, na mgbe ahụ, zeolite na mmiri absorption na ọwa nke wheel, wheel ga-aghọ ihe absorbent wheel, mgbe nnwale gosiri na adsorption wheel maka VOCs ọcha ọgwụgwọ dị irè.
Enwere ike kewaa mpaghara ịta ahụhụ nke onye na-agba ọsọ zeolite n'ime akụkụ atọ: mpaghara ọgwụgwọ, mpaghara mmeghari na mpaghara jụrụ oyi. Onye na-agba ọsọ itinye uche na-aga n'ihu na mpaghara ọ bụla. VOCs organic mkpofu gas na-nzacha site tupu iyo, na mgbe ahụ site na ọgwụgwọ ebe nke itinye uche na-agba ọsọ ngwaọrụ.
A na-ewepụ VOCs na mpaghara ọgwụgwọ site na mgbasa ozi nke adsorbent, na ikuku dị ọcha na-apụ na mpaghara ọgwụgwọ nke onye na-agba ọsọ na-atụgharị uche. The organic mkpofu gas VOCs adsorbed na ịta onye na-agba ọsọ na-desorbed na lekwasị na 5 ~ 15 ugboro site na-ekpo ọkụ ikuku ọgwụgwọ na regeneration ebe.
A na-eme ka onye na-agba ọsọ na-atụgharị uche na mpaghara jụrụ oyi, na ikuku site na mpaghara jụrụ oyi na-ekpo ọkụ ma jiri ya mee ihe dị ka ikuku emegharịrị iji nweta mmetụta nke ịdị ọcha na ike ịchekwa ike.
Usoro oxidation nke catalytic:
A na-eme usoro combustion nke catalytic na ngalaba combustion catalytic. A na-eme ka gas na-ekpofu ahịhịa na-ekpo ọkụ na 200-400 Celsius C site na ihe na-ekpo ọkụ, wee banye n'ime ụlọ ọkụ. Mgbe ị na-agafe ihe ndina na-eme ihe, a na-etinye mkpụrụ ndụ nke hydrocarbons na ikuku oxygen dị na ngwakọta gas n'elu ihe na-eme ka ọ rụọ ọrụ n'otu n'otu. N'ihi na mgbasa ozi elu na-ebelata ike mmeghari nke mmeghachi omume, hydrocarbons na-eme ngwa ngwa na ikuku oxygen na obere okpomọkụ iji mepụta carbon dioxide na mmiri.
Zeolite Rotor adsorption ntinye uche - usoro combustion catalytic:
The isi echiche nke zeolite wheel ịta catalytic combustion technology, na VOCs na ulo oru mkpofu gas na ala ịta na nnukwu ikuku olu na-kewapụrụ na lekwasị site adsorption nkewa usoro, na mmetọ ikuku na elu ịta na obere ikuku olu mgbe ịta na-decomposed na ọcha site combustion usoro, nke a na-akpọkarị adsorption nkewa usoro + combustion decomposition na ọcha.
A na-etinye onye na-agba ọsọ adsorption nwere ihe owuwu mmanụ aṅụ na shei nke kewara n'ime mgbasa ozi, mmeghari na mpaghara jụrụ oyi, ma na-eji nwayọọ nwayọọ na-agbagharị na ọsọ nke 3 ~ 8 mgbanwe kwa elekere n'okpuru ụgbọala nke ọsọ na-achịkwa moto.
A na-ejikọta mpaghara atọ nke adsorption, mmeghari na oyi na-atụ n'otu n'otu na ikuku ikuku nke ikuku ọgwụgwọ, ikuku dị jụụ na ikuku ọhụrụ. Ọzọkwa, iji gbochie ikuku nke ikuku n'etiti ikuku channeling na gburugburu nke adsorption na-agba ọsọ na shei n'etiti mpaghara ọ bụla, efere nkebi na onye na-agba ọsọ adsorption, gburugburu nke onye na-agba ọsọ adsorption na shei ahụ na-eji akwa okpomọkụ na-eguzogide ọgwụ, ihe mgbaze na-eguzogide fluoro roba akara ihe.
Nke 1 fan na-ebugharị VOC nwere gas na-ekpochapụ site na mpaghara nke onye na-agba ọsọ, nke bụ mpaghara mgbasa ozi. Enwere ike imeju ihe mgbasa ozi dị iche iche na onye na-agba ọsọ dịka ebumnuche dị iche iche. Mpaghara nke VOCs adsorbed na-abịa na mpaghara b maka mmebi na ntụgharị nke onye na-agba ọsọ. Igwe ikuku dị elu na-erugharị site na nnyefe ọkụ 1 ga-eme ka VOCs na-adaba na onye na-agba ọsọ, ma rute ọkụ ọkụ site na nnyefe okpomọkụ 2, wee banye n'ime ụlọ combustion catalytic maka mmeghachi omume oxidation catalytic. Ebe ọ bụ na onye na-agba ọsọ kwesịrị ka a gbasaa mgbe ọ kwụsịrị, a na-edobe ebe dị jụụ c n'akụkụ ebe a na-ekpo ọkụ ka ikuku mee ka ọ dị jụụ, ikuku na-ekpo ọkụ na-ekpo ọkụ na-aghọkwa ikuku ọkụ maka desorption site na nnyefe okpomọkụ 1.
Maka nrụpụta mgbawa ugbu a, ụlọ ọrụ panel LCD, ụlọ ọrụ semiconductor, ụlọ ọrụ obibi akwụkwọ, ụlọ ọrụ mkpuchi na mpaghara mmepụta mmepụta ihe ndị ọzọ. Usoro mmepụta ya nke edoziri ga-eji ọnụ ọgụgụ dị ukwuu nke ihe ndị na-emepụta ihe na-emepụta ihe, nke a na-eji dị ka onye na-ehicha ihe, photoresist, na-ewepụ mmiri mmiri, diluent, wdg, na usoro a ga-emepụta ọnụ ọgụgụ dị ukwuu nke gas na-ekpo ọkụ, ndị a na-emepụta ihe na-emepụta ihe na-emepụta ihe bụ nnukwu ikuku, obere ntinye nke gas efu, ya mere, iji rụọ ọrụ nke ọma na-emeso ụdị gas efu nke nwere VOCs components, Zeolite rotor adsorption na usoro ọgwụgwọ dị ugbu a bụ ihe kachasị mma.
Ngwa nso nke Zeolite Rotary Concentration + Catalytic combustion Systems:
Zeolite rotary fojusi na usoro combustion catalytic nwere ọtụtụ ngwa ngwa, na-ekpuchi ọtụtụ ụlọ ọrụ na ọnọdụ ọgwụgwọ gas. A na-ejikarị teknụzụ ọhụrụ a eme ihe na ọnọdụ ọgwụgwọ gas n'efu na obere ntinye uche na nnukwu ikuku, ọ dịkwa mma maka ngwa ụlọ ọrụ dị iche iche.
Otu n'ime uru ndị bụ isi nke zeolite rotor concentrator bụ ikike ya ịgwọ gas na-ekpofu ihe nke na-enweghị halogens dị ka S, N, Cl, F, wdg. Ọ bụrụ na ihe ndị a dị, enwere ike ịgwọ ha na pretreatment ogbo tupu combustion iji hụ na ọ dịghị ihe ọhụrụ iyuzucha gas na-emepụta mgbe usoro combustion.
Tụkwasị na nke ahụ, ebe a na-esi ísì ụtọ nke ikuku gas enweghị ike ịdị elu ka e wee mee ya nke ọma site na iji usoro a. Ọ bụrụ na ebe a na-esi nri gafere 300 Celsius C ma kpughee ya na ikuku na-ekpo ọkụ, gas na-ekpofu ihe na-ekpo ọkụ na-ekpo ọkụ na zeolite molecular sieve agaghị adị ogologo oge, na-emetụta arụmọrụ nke usoro ọgwụgwọ ahụ.
Teknụzụ a dị elu dabara adaba maka ụlọ ọrụ dị iche iche, gụnyere osisi kemịkalụ, ụlọ ọrụ eserese, ụlọ ọrụ ọgwụ, ụlọ ọrụ eletrọnịkị, ndị na-emepụta arịa ụlọ, ụlọ ọrụ nkwakọ ngwaahịa na ibipụta akwụkwọ, na ihe osise. Ọ na-emeso ihe mgbaze organic na ikuku gas na-ekpofu ikuku sitere na ụlọ ọrụ ndị a dị iche iche, na-eme ka ọ bụrụ ngwọta bara uru na nke bara uru maka ụlọ ọrụ na-achọ imeziwanye usoro ọgwụgwọ gas mkpofu ha.
N'ụzọ dị ịrịba ama, enwere ike ịgbanye gas na-ekpofu ihe wee mebie ya site na zeolites, na-eme ka ha bụrụ ndị kwesịrị ekwesị maka ọgwụgwọ. Otú ọ dị, ọ bụrụ na ikuku iyuzucha nwere S, N, Cl, F na ihe ndị ọzọ, a ga-emepụta ihe ndị na-emerụ emerụ nke abụọ mgbe ọkụ ọkụ gasịrị, ọ dịghịkwa mma maka ọgwụgwọ combustion catalytic.
Na nchịkọta, zeolite rotary fojusi na catalytic combustion usoro nwere ọtụtụ ngwa ngwa ma na-enye ihe ngwọta a pụrụ ịdabere na ya na nke ọma maka VOC na-ekpofu ọkụ gas na ụlọ ọrụ dị iche iche. Ikike ya ijikwa oke ikuku dị elu na ntinye dị ala na-eme ka ọ bụrụ ihe bara uru mgbe ị na-achọ ịkwalite usoro ọgwụgwọ iyuzucha.