Pɛpɛɛpɛ Control Logic ne Energy Efficiency Optimization of Fan ne Spray Systems wɔ Closed-Circuit Cooling Towers
Dec 02, 2025
Gyae nkrasɛm bi .
Pɛpɛɛpɛ Control Logic ne Energy Efficiency Optimization of Fan ne Spray Systems wɔ Closed-Circuit Cooling Towers
Wɔ adwumayɛ nhyehyɛe a ɛwɔ mfiridwuma mu onwini nhyehyɛe mu no, wobetumi afrɛ fan ne spray nhyehyɛe a ɛwɔ closed-circuit cooling towers mu no sohwɛ sɛ "intelligent core". Ɛnyɛ mfiri a ɛyɛ mmerɛw a wɔde fi ase-gyae adwumayɛ, na mmom ɛyɛ nhyehyɛe a ɛyɛ nnam a wɔde kari pɛ a wɔasisi atwa ɔhyew a ɛkɔ nsu mu a wɔde yɛ adwuma no ho ahyia, a ɛsɛ sɛ ɛhwehwɛ ano aduru a eye sen biara wɔ onwini a wɔde di dwuma yiye, ahoɔden a wɔde di dwuma ne nsu a wɔde di dwuma no mu. Ne nteaseɛ titire ne sɛ yɛbɛfa ɔhyew a wɔahyɛ ato hɔ a ɛfiri nsuo a wɔde yɛ adwuma no mu sɛ nhwɛsoɔ, na yɛde nyansa asiesie ɔhyeɛ a wɔsesa a nteaseɛ wom ne ɔhyeɛ a ɛsesa no fã denam bere ankasa -bere a wɔde hwɛ nneɛma a atwa yɛn ho ahyia so (te sɛ wet-bulb hyew, dry-bulb hyew, mframa ahoɔhare) ne nhyehyɛe no mu adesoa (inlet temperature ne flow rate of process fluid), na awiei koraa no, woadu adwumayɛ atirimpɔw a ɛne "adu onwini botae no ho a ahoɔden a wɔde di dwuma kakraa bi." ɛka a wɔbɔ".
Nneɛma a Wɔde Yɛ Nkyerɛkyerɛmu
Sɛ yɛhwɛ ɔhyew a wɔde sesa nnyinasosɛm a, onwini nhyehyɛe a ɛwɔ abantenten a wɔde tow-kwansin so onwini mu no yɛ ɔhyew a wɔsesa a ntease wom ne ɔhyew a wɔde sesa a ahintaw a ɛyɛ adwuma bom.
Nsu a wɔde yɛ adwuma no di akɔneaba wɔ coil a wɔato mu no mu, na ɔhyew no fa coil fasu no mu kɔ abɔnten; biakoyɛ a ɛda aduru a wɔde petepete so ne fan no ntam ne sɛ wɔbɛsesa ɔhyew a wɔde sesa akwan abien no fã denam ɔhyew a wɔde sesa tebea horow a wɔbɛsakra wɔ coil no akyi no so.
Sɛ ambient wet-bulb temperature no sua (te sɛ anadwo, awɔw bere mu anaa osutɔ nna mu) na onwini adesoa no wɔ hann kwan so a, control system no bedi kan de ahyɛ aselow-ahoɔden a wɔde di dwuma kwan- saa bere yi, ɛho nhia sɛ wobɛdan fan no, spray pump no nkutoo na wɔahyɛ ase. Wɔde nsu a wɔde petepete so kakraa bi petepete coil no ani pɛpɛɛpɛ ma ɛyɛ nsu a ɛyɛ tratraa na ɛyɛ pɛ.
Bere a nsu no sini no ne mframa di nkitaho akyi no, abɔde mu nsu a ɛyɛ hyew ba, na ɔhyew kɛse a ɛwɔ coil no mu no nam ɔhyew a ahintaw a wɔde sesa so no so. Saa "evaporative cooling + natural ventilation" a wɔaka abom yi di adwumayɛ tumi a ɛwɔ spray pump no mu nkutoo (mpɛn pii no fan ahoɔden no 1/5 kosi 1/3 pɛ), a ɛne sɛ wobehu "free cooling" na ɛtew adwumayɛ ho ka so kɛse wɔ hann adesoa bere no mu.
Bere koro no ara mu no, sɛnea ɛbɛyɛ a nsu a ɛsen no bɛhwere esiane nsu film a ɛyɛ den dodo nti no, nhyehyɛe no bɛhwɛ nsu a wɔde petepete so no dodow ankasa denam nsu a ɛsen no sensor so na adi so wɔ ɔkwan a eye sen biara a ɛne "sɛ wɔbɛkata coil no so kɛkɛ a nsu ntɔ fam dodo", na ɛbɛtew nsu a wɔsɛe no so bio.
Nneɛma a Wɔde Yɛ Nkyerɛkyerɛmu
Sɛ nneɛma a atwa yɛn ho ahyia tebea sɛe (te sɛ ɔhyew a ɛkɔ soro wɔ awɔw bere mu, wim tebea a ɛyɛ kusuu na ɛyɛ hyew) anaasɛ adesoa a wɔde yɛ adwuma no kɔ soro (te sɛ adesoa a edi mũ-adesoa a wɔde di dwuma wɔ mfiri a wɔde yɛ nneɛma mu ne ɔhyew a ɛkɔ soro a ɛkɔ soro wɔ nsu a wɔde petepete nsu mu no nkutoo ntumi nni onwini a wɔhwehwɛ no ho dwuma bio.
Saa berɛ yi, control system no bɛhyɛ synergistic enhancement mode - ase adi kan ama spray pump no ahoɔhare akɔ soro nkakrankakra na ama spray nsuo dodoɔ akɔ soro. Sɛ outlet temperature no da so ara boro bo a wɔahyɛ no so a, wobefi fan no ase denneennen. Wobetumi afrɛ fan no de ne ho gye mu no "qualitative change switch" ma onwini tumi: ɛdenam convection a wɔhyɛ so no, ɛde mframa a atwa yɛn ho ahyia pii ba abantenten no mu, a ɛtwam ntɛmntɛm fa coil a nsu sini no akata so no ani.
Ɛnyɛ sɛ mframa a ɛsen no ahoɔhare a ɛkɔ soro no ma nsuo sini no mu nsuo a ɛyɛ hyew no yɛ ntɛmntɛm nko (ɔhyeɛ a ahintaw a ɛsesa no kɔ soro mpɛn 3-5) na mmom ɛma ɔhyew mu nsonsonoeɛ a ɛda mframa ne coil fasuo no ntam no yɛ kɛseɛ (ɔhyeɛ a wɔsesa no yie a nteaseɛ wom no kɔ soro mpɛn 1-2). Wɔ tumi abien no ase no, ɔhyew a ɛma ɔhyew a ɛwɔ nhyehyɛe no mu no kɔ soro ɔkwan biara so.
Saa bere yi, fan ne spray pump no hyɛn adwumayɛ tebea a wɔayɛ no biako no mu. Nanso, nnɛyi nhyehyɛe a wɔde di dwuma no anifere ne sɛ ɛmma wɔn baanu nyinaa kwan mma wɔnyɛ adwuma wɔ adesoa a edi mũ mu bere nyinaa, na mmom ehu "nsakrae a enni anammɔn" denam frequency conversion mfiridwuma so. Sɛ yɛfa fan no sɛ nhwɛsoɔ a, control system no bɛyɛ real-bere asiesie fan ahoɔhare no denam frequency converter no so sɛdeɛ deviation a ɛda process fluid no outlet temperature ankasa ne set value ntam: sɛ outlet temperature no korɔn kakra sene set value no a, fan no bɛyɛ adwuma wɔ ahoɔhare a ɛba fam a ɛyɛ 30%-50% sɛ deviation no kɔ soro a, ahoɔhare no bɛkɔ soro nkakrankakra akodu adesoa a edi mũ.
Ahoɔden-akoraeɛ nkɛntɛnsoɔ a ɛwɔ saa nsakraeɛ kwan yi so no yɛ adeɛ a ɛho hia paa - ɛfiri sɛ ahoɔden a wɔde di dwuma wɔ fan no mu no ne ne ahoɔhare no kuruwa no hyia, sɛ ahoɔhare no so tew firi 100% kɔsi 70% a, tumi a wɔde di dwuma no tumi so tew bɛyɛ 65%, a ɛtew ahoɔden a wɔsɛe no so kɛseɛ wɔ adesoa fã bi ase
Spray nhyehyɛe no sohwɛ a wɔayɛ no yiye no nso ntumi ntetew mu mfi frequency conversion mfiridwuma ne multi-pump combination strategy ho. Wɔ abantenten akɛse-a wɔato mu-circuit cooling towers ho no, wɔtaa de spray pumps 2-3 gu mu. Control nhyehyɛe no bɛfa ɔkwan abien a ɛne "nɔma nsakrae + ahoɔhare nsakrae" sɛnea adesoa nsakrae te: pɔmpɛ biako pɛ na wofi ase na wɔyɛ adwuma wɔ ahoɔhare a ɛba fam mu wɔ adesoa a ɛba fam ase; wɔde ahoɔhare pɔmpɛ biako a ɛyɛ pɛpɛɛpɛ anaa pɔmpɛ abien a ahoɔhare sua fi ase wɔ adesoa a ɛwɔ mfinimfini ase; wɔhyɛ pɔmpɛ nyinaa ase na wɔde ahoɔhare nyinaa yɛ adwuma wɔ adesoa kɛse ase nkutoo.
Saa nsakraeɛ a wɔaka abom yi nnyɛ sɛ ɛkwati ahoɔden a wɔde di dwuma ho haw a ɛne "ɔpɔnkɔ kɛseɛ a ɔtwe teaseɛnam ketewa" ma pɔmpɛ kɛseɛ baako nko na mmom ɛma nhyehyɛeɛ no mu ahotosoɔ tu mpɔn denam multi-pump redundancy so. Bere koro no ara mu no, nhyehyɛe ahorow bi a ɛkɔ akyiri nso de bypass regulating valve besi hɔ wɔ spray pipeline no mu.Sɛ nsu a atwa yɛn ho ahyia no yɛ kɛse yiye (te sɛ plum osutɔ bere mu) na nsu film no mu nsu a ɛyɛ hyew no so tew a, bypass valve no bebue ne ho, na ɛbɛkyerɛ nsu a wɔde petepete nsu no fã bi asan akɔ nsukorabea no mu na ama nsu a wɔde petepete no dodow a ɛnyɛ adwuma no so atew.Ɛnyɛ sɛ eyi brɛ ahoɔden a nsu pɔmpɛ no de di dwuma no ase nko na mmom ɛmma nsu a ɛboro so no nsiw nsenia a ɛbɛba coil no ani no ano (nsuo bɛma ɔhyew a ɛko tia no akɔ soro na ɛbɛtew onwini a ɛyɛ adwuma yiye so 10%-20%)
Nneɛma a Wɔde Yɛ Nkyerɛkyerɛmu
Wɔ nsakraeɛ nhyehyɛeɛ a ɛwɔ adesoa a ɛyɛ daa ase akyi no, ɛhia sɛ control system no nso di adwumayɛ tebea a ɛyɛ den ne mfomsoɔ tebea ho dwuma na ama adwumayɛ no agyina pintinn. Sɛ nhwɛso no, sɛ ɔhyew a atwa yɛn ho ahyia no so tew kɛse (te sɛ ɔhyew a ɛba fam digrii 0 anadwo wɔ awɔw bere mu), sɛnea ɛbɛyɛ a wɔasiw nnwinnade a wɔsɛe no esiane nsu film a ɛyɛ nwini wɔ coil no akyi nti no ano no, nhyehyɛe a wɔde di dwuma no bɛma nsu a wɔde petepete pɔmpɛ no agyae ankasa, afi fan no ase na asɔ "anti-afiri a ɛma ɔhyew a ɛko tia nwini" no bere koro no ara mu. Ɛdenam mframa a wɔhyɛ ma ɛsen ne mpɔtam hɔ ɔhyew so no, wɔma coil no ani hyew kɔ soro boro digrii 5 ; sɛ fan no di nkogu (te sɛ motor overload, blade jamming), nhyehyɛe no bɛsoma alarm sɛnkyerɛnne ntɛm ara, ama nsu a wɔde petepete no dodow akɔ soro bere koro no ara mu, na abue "emergency bypass pipeline" no de ahyɛ process fluid no fã bi akɔ standby cooling circuit no mu na wɔakwati process temperature a ɛboro so. Bio nso, nhyehyeɛ no nso bɛhwɛ nsuo a wɔde petepete so no mu nsuo yiedie ankasa-(te sɛ conductivity, pH value), na ɛfiri aseɛ ankasa de "nsuo fĩ a wɔtow gu ne nsuo a wɔde ka ho mfiri" bere a nsuo no su sɛe no de ahwɛ sɛ nsuo film no yɛ evaporation yiedie ne mfiri no dwumadie nkwa
Nneɛma a Wɔde Yɛ Nkyerɛkyerɛmu
Sɛ yɛhwɛ mfasoɔ a ɛwɔ adwumayɛ mu bere tenten a, ɛnyɛ sɛ fan ne spray systems a wɔhwɛ so pɛpɛɛpɛ wɔ circuit cooling towers a wɔato mu-circuit cooling towers mu no betumi atew ahoɔden a wɔde di dwuma ne nsuo a wɔde di dwuma no so nko na mmom ɛbɛtumi atrɛw mfiri no nkwa nna mu na ɛbɛtew ɛka a wɔbɔ wɔ nsiesie ho no so. Sɛnea mfiridwuma mu data akontaabu kyerɛ no, sɛ wɔde toto atetesɛm "fixed-speed start-stop" mode ho a, fan ne spray nhyehyɛe a ɛwɔ frequency conversion control no betumi atew afe afe ahoɔden a wɔde di dwuma no so 30%-40% ne nsu a wɔde di dwuma no so 25%-35%. Bere koro no ara mu no, wɔtrɛw coil no ahotew kyinhyia no mu mpɛn 2-3, na nnwinnade no huammɔdi dodow so tew bɛboro 50%. Saa "ahoɔden-korabea, nsuo a wɔkora so na ɛtew nea wɔde di dwuma so" adwumayɛ kwan yi nyɛ sɛ ɛdi nnɛyi nnwumayɛbea nkɔsoɔ ahiadeɛ "green ne low-carbon" ho dwuma nko na mmom ɛde sikasɛm mu mfasoɔ kɛseɛ brɛ nnwumakuo nso, na ɛbɛyɛ akwankyerɛ titire a wɔde bɛma mfiridwuma mu onwini nhyehyɛeɛ a wɔyɛ no yie no mu baako
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