Ndị na-akwado ọwara ụzọ ụgbọ oloko na-eme ka ikuku na-agagharị mgbe ndụ dabere na ya. Ha abụghị ngwá ọrụ nchekwa - ha bụ ụzọ nchebe mbụ megide anwụrụ ọkụ, okpomọkụ, na nsị n'oge ihe mberede. Anyị etinyela, nwale, na nsogbu fan ọwara ụgbọ oloko usoro na 12 metro oru gafee China na Southeast Asia. N'otu ndọtị Beijing, onye ofufe dara ada kpatara nkeji iri anọ na asaa nke igbu oge ikuku mberede n'oge a na-egwupụta ọkụ simulated — oge zuru oke maka ọkwa CO gafere oke nchekwa 300 ppm. Ihe omume ahụ megharịrị ka anyị si ezipụta, nwalee ma nyekwa nkeji ndị a ọrụ.
Kedu ihe kpatara ndị Fans Standard ji ada n'okpuru ala
Ọtụtụ ndị na-akwado ụlọ ọrụ mmepụta ihe na-ada n'okpuru ọnọdụ ụzọ ụgbọ oloko-ọ bụghị site na ibu ibu, kama site na ebumnobi imewe adabaghị. Onye ofufe axial ebumnuche izugbe nwere ike ibugharị 120,000 m³/h na 500 Pa static pressure na akwụkwọ. Ma n'okpuruala? Ọ na-eche iru mmiri 85% ihu kwa afọ, ikuku chloride n'akụkụ ọdọ mmiri dị n'akụkụ mmiri, ịma jijiji site na ụgbọ oloko na-agafe (ruo 12 Hz na 0.8 mm njupụta), yana oke efu maka ịfefe ọkụ. Anyị ahụla ka moto na-ekpo ọkụ n'ime ụbọchị 90 n'ihi na klaasị F nke mkpuchi ka akọwapụtara-mana ọwara ọwara ikuku na-akụkarị 52 Celsius n'oge ọrụ ọkọchị.
Ezigbo ọdịda ọdịda abụghị ikuku - ọ bụ ntụkwasị obi n'okpuru nrụgide mgbagwoju anya. Ihe atọ a na-akwadoghị mkpa na-ekewapụ nkeji-ọkwa ụgbọ oloko na ngwaahịa katalọgụ:
- Asambodo mgbochi mgbawa (GB 3836.1-2021) maka mpaghara methane nwere ike ime ma ọ bụ oghere ọwara batrị.
- Nchekwa mbata IP55+ na-aga n'ihu, nke ejiri silicone mechie bearings na igwe anaghị agba nchara
- Ọkwa itule dị egwu G2.5 ma ọ bụ karịa, akwadoro na 110% nke oke ọsọ na-arụ ọrụ—ọ bụghị naanị ogo ọsọ
Na-enweghị atọ niile, usoro mmezi na-ebelata site na 60%. Otu onye ahịa na-edochi ndị fan kwa ọnwa 14 ruo mgbe ọ ga-agbanwe gaa na atụmatụ axial na-agbanwe agbanwe na ikuku ikuku nwere onwe ya. Oge ọhụrụ ha: ọnwa 47.
Usoro FBD: Ewuru ya maka eziokwu ọwara, ọ bụghị akwụkwọ nyocha
Usoro FBD (dⅠ) mgbawa na-egosi nrụgide-injection counter-roting axial flow ventilashion mpaghara na-edozi ihe ọkọlọtọ ọwara ndị fan na-eleghara anya: njikwa ntụzịaka na nzaghachi na-adịte aka. Mgbakọ rotor nke okpukpu abụọ-n'ihu na azụ impellers na-atụgharị n'akụkụ ndị ọzọ-na-enye 22% arụmọrụ static dị elu karịa otu ihe nhata na otu 1,800 Pa mgbali elu. Nke ka njọ, ọ na-enweta ikuku ikuku zuru oke n'ime sekọnd 2.3 nke mmalite. Nke ahụ dị mkpa mgbe nchọpụta anwụrụ ọkụ na-ebute ikuku tupu ọhụhụ daa n'okpuru mita 10.
Anyị anaghị ekwupụta nkọwapụta - anyị na-akwado ha. Ngalaba FBD ọ bụla na-enweta:
- Nnwale nnu-spray nke awa 48 (ISO 9227) na ntinye uche NaCl 5%
- Ntachi obi na-ama jijiji na 15 g kacha elu osooso maka 10 nde okirikiri
- Simulation thermal runaway: moto windings na-ekpo ọkụ ruo 180ºC, wee mee ka ọ dị jụụ ngwa ngwa ruo -20°C — ugboro 200 ugboro ugboro.
Nke a abụghị ihe karịrị injinia. Ọ dabara ngwaike na envelopu arụ ọrụ. Mgbe ọkụ ọwara dara 600 Celsius, ndị na-efe efe dị nso ga-adị ndụ ogologo oge iji kpochapụ ụzọ mgbapụ. Nkeji FBD agafeela ule mkpughe nkeji 90 na okpomọkụ elu 750C na-enweghị nrụrụ nhazi.
Nhazi abụghị nhọrọ - Fisiks chọrọ ya
"Off-the-shelf" adịghị maka ndị na-akwado ọwara ụgbọ oloko. Dayameta nke ọwara, gradient, ugboro ụgbọ oloko na profaịlụ ibu ọkụ na-ekpebi geometry fan, ọ bụghị broshuọ ahịa. Ọwara dayameta nke 5.8 m nwere gradient 3% chọrọ ntụgharị agụba dị iche iche na oke oghere karịa akụkụ ewepụghị 4.2m — ọbụlagodi ma ha abụọ chọrọ 150,000 m³/h.
Anyị na-eji data anakọtara n'ubi malite ọrụ ọ bụla - ọ bụghị echiche. Ndị injinia anyị na-atụle:
- Ambient particulate njupụta (PM₁₀ na PM₂.₅) ihe karịrị awa 72
- Nlekota nke CO₂ na NOₓ n'oge ọrụ kacha elu
- Ọnụego ịwa mmiri n'ime ala n'ọnụ ụlọ ndị fan
Na data na-akpali mkpebi ọ dịghị spec mpempe akwụkwọ nwere ike: ma iji titanium alloy agụba (maka chloride iguzogide), ma embed thermocouples na moto windings (maka amụma shutdown), ma ọ bụ na iwekota CAN ụgbọ ala nkwurịta okwu maka ozugbo ọnọdụ akuko na SCADA. Otu saịtị Guangzhou Line 11 chọrọ ndị na-akwado centrifugal na-eguzogide corrosion nwere casings Hastelloy C-276—n'ihi na pH nke ala mmiri tụrụ 3.2. Ọkọlọtọ carbon ígwè ga-emebi emebi n'ime ọnwa 11.
Lee anya n'ofè fan-Lee na Sistemu
Onye na-akwado ọwara ụzọ ụgbọ oloko dị mma naanị ka njikọta ya. Anyị ahụla ka ndị na-akwado elu-ọkwa dara ada n'ihi na nkwado nkwado na-emegharị na 42 Hz — otu ugboro ka ị na-agafe ụgbọ oloko ụgbọ ala 8. Ndozi ahụ abụghị onye ofufe ọhụrụ. A na-ele ya anya igwe dampers gbanyere n'ime etiti nkwado yana paịlị dịpụrụ adịpụ nwere nnabata 0.035 mm.
Ezi nchekwa na-abịa site na iche echiche nke usoro: nhazi ikuku ikuku (iji ANSYS Fluent na ezigbo geometry ọwara), ọgwụgwọ ụda (iji mee ka mkpọtụ dị n'okpuru 85 dBA na ọdụ ndị ọrụ), na redundancy architecture (N + 1 nhazi na akpaka switchover na <1.2 sekọnd). Zibo Hongcheng ọ bụla fan ọwara ụgbọ oloko ụgbọ mmiri ndị nwere atụgharị na-amị amị, akụkọ ndakọrịta nkwekọrịta, yana nchịkọta ndakọrịta elektrọn-ọ bụghị naanị akara CE.
A naghị enweta ntụkwasị obi na ụlọ ọrụ mmepụta ihe. A na-egosipụta ya n'ọwara-ụbọchị na-esote, ọkụ ọkụ mgbe ọkụ ọkụ gasịrị, afọ iri mgbe afọ iri gasịrị. Ọ bụ ya mere anyị ji ewuli elu maka mgbanwe kachasị njọ, oge okpomọkụ kachasị mma, na nkwụsị ike kachasị ogologo. N'ihi na mgbe anwụrụ ọkụ jupụtara n'okporo ụzọ, ọ dịghị "ezigbo". Enwere naanị ihe na-arụ ọrụ.
