Abantenten a ɛma onwini bɛn na eye sen biara wɔ wim tebea a ɛyɛ hyew mu?

Sɛ yɛhwɛ ɔhyew a wɔde sesa nneɛma yiye a, asɛnnennen titiriw a ɛwɔ mmeae a osu tɔ na owia bɔ kɛse newet-bulb hyew a ɛkorɔn. Amanne kwan so abantenten a wɔde onwini gu mu a wɔabue mu no de wɔn ho to mframa ne nsu ntam nkitahodi tẽẽ so ma onwini a ɛyɛ hyew. Sɛ ambient wet-bulb temperature bɛn nsuo a ɛyɛ nwini no hyew a, ɔhyew a wɔsɛe no no so tew kɛse. Cross-flow closed onwini abantenten gye aclosed-loop circulation + cross-flow ɔhyew nsakraehyehyɛ. Nsu a ɛma onwini sen kɔ coils a wɔatoto mu mu na ɛde ɔhyew a ɛnteɛ sesa ne abɔnten mframa ne nsu a wɔde petepete. Nsuo a wɔde petepete so a ɛwɔ coils no akyi no yɛ nwini ma ɛtwetwe ɔhyew, na wɔde mframa a wɔhyɛ no ma ɛyɛ cross-flow air currents. Saa mframa a ɛretu yi wɔ beae kɛse a ɛne nsu a wɔde petepete ne coils no di nkitaho na ɛkyɛ. Wɔ mmeae a osu tɔ na owia bɔ kɛse a nsu-bɔlb hyew du digrii 28–32 mpo no, abantenten no da so ara tumi kura ɔhyew a ɛsesa no yiye a ɛyɛ den mu, na ɛhwɛ nsu a ɛyɛ nwini no hyew so wɔ digrii 3–5 a ɛkorɔn sen bɔlɔb hyew a ɛyɛ nsu-bɔlb hyew no mu, a edi ɔhyew a wɔsɛe no ahiade a ɛwɔ mfiridwuma nnwinnade (te sɛ chillers, mframa a wɔde hyɛ mu, ne fononoo a wɔde hyew nneɛma) mu.

 

 

 

 

Wɔ sɛnea ɛko tia nsɛe ne akwanside ho no, mmeae a osu tɔ na owia bɔ kɛse no wɔ mframa mu mfutuma pii na osu tɔ a acid wom. Nsu a ɛma onwini a ɛwɔ abantenten a wɔabue mu a ɛma onwini no ne mframa di nkitaho tẽẽ, na ɛnyɛ den sɛ ɛne mfutuma, nkyene, ne nneɛma a ɛwɔ acid bɛfra, na ɛma nea wɔde hyɛ mu no siw, nsu afiri no mu yɛ mmerɛw, na ɛma dade afã horow no sɛe. Ɛnyɛ sɛ eyi ma ɔhyew a wɔsɛe no no so tew nko, na mmom ɛma mfiri no nkwa nna yɛ tiaa kɛse nso. Noclosed-loop a wɔde di akɔneabadesign of cross-flow closed cooling towers yi nsu a ɛyɛ nwini fi wiase a ɛwɔ akyi no fi afoforo ho, kwati mfutuma ne efĩ a wɔde bɛfrafra na edi ɔhaw ahorow a ɛfa scaling ne clogging ho dwuma titiriw. Saa berɛ yi, wɔde nneɛma titire a ɛwɔ nnwinnadeɛ no mu (coils, shells, fans) ayɛ nneɛma a ɛtumi nsɛe te sɛ 304 stainless steel ne FRP (fiber-reinforced plastic), a ɛtumi gyina nkyene ne acidic nneɛma a ɛwɔ mframa a ɛwɔ ɔhyeɛ mu no ano. Wɔde PVC anaa PP nneɛma na ɛyɛ cross-flow structure no fillers na ɛfa modular design, a ɛnyɛ mmerɛw sɛ wɔbɛboaboa mfutuma ano na ɛyɛ mmerɛw sɛ wɔbɛpaapae na wɔasiesie, na edi ahiade a ɛfa nsiesie a ɛwɔ mmeae a ɛhɔ yɛ hyew a mfutuma wɔ hɔ no ho dwuma.

 

 

 

Sɛ yɛhwɛ ahoɔden a wɔde di dwuma ne sikasɛm a wɔde siesie a, ɔhyew a ɛkɔ soro-bere a ɛwɔ mmeae a osu tɔ na owia bɔ kɛse no betumi adi asram 8–10, na ɛsɛ sɛ abantenten a ɛma onwini yɛ adwuma dɔnhwerew ne anadwo, a ahoɔden a wɔde di dwuma no yɛ ɛka a wɔbɔ no fã kɛse. Fans a ɛwɔ cross-flow closed cooling towers mu no gye -nhyɛso a ɛba fam na ɛyɛ kɛse-flow nhyehyɛe, a mframa nhyɛso a wɔhwehwɛ no sua sen counter-flow cooling towers. Wobetumi atew motor ahoɔden no so 15%–20%, na wɔde variable frequency control systems ahyɛ wɔn mu ma ayɛ nsakrae wɔ fan ahoɔhare no mu sɛnea ambient temperature ne cooling water temperature te, na ɛbɛtew ahoɔden a wɔde di dwuma no so bio. Bio nso, closed-loop circulation brɛ nsuo a ɛyɛ nwini a ɛyera wɔ nsuo a ɛyɛ nwini mu (nsuo a ɛyera no yɛ 1/5–1/3 pɛ wɔ abantenten a ɛbue a ɛma onwini mu), ɛma nsuo a ɛwɔ hɔ no sie kɛseɛ na ɛdi nsuo-koraeɛ ahwehwɛdeɛ a ɛwɔ mmeaeɛ bi a ɛhɔ yɛ nwini no ho dwuma. Nea ɛne eyi bɔ abira no, nsu a ɛyɛ hyew a ɛyera ne mframa a ɛyera wɔ atetesɛm abantenten a ɛma onwini a wɔabue mu no yɛ 10%–15%, na ɛde nsu a wɔsɛe no kɛse ba wɔ wim tebea a ɛyɛ hyew mu. Nsu a wɔtaa de hyɛ mu ma na wɔbɔ no nso ma nsu a wɔde yɛ adwuma no ho ka kɔ soro.

 

 

Sɛ yɛde toto ho a, ɛwom sɛ counter-flow closed cooling towers wɔ ɔhyew exchange efficiency a ɛkorɔn kakra de, nanso ɛhia sɛ wɔde besi hɔ pii. Bio nso, mframa a ɛsen ne nsu a wɔde petepete so no sen kɔ mmeae a ɛne ne ho bɔ abira, na ɛma mframa a ɛwɔ fan no mu nhyɛso ne ahoɔden a wɔde di dwuma kɛse ba. Abantenten a ɛma onwini a wɔabue mu no wɔ sintɔ ahorow te sɛ ɔhyew a wɔsɛe no yiye a entumi nnyina, ɛnyɛ den sɛ ɛbɛsɛe na asiw ano, ne nsiesie ho ka kɛse, na ɛma ɛnyɛ nea ɛfata sɛ wɔde yɛ adwuma bere tenten-wɔ wim tebea a ɛyɛ hyew mu. Ɛnam nhyehyeɛ a ɛyɛ papa so no, cross-flow closed cooling towers kari pɛ wɔ ɔhyew nsakraeɛ a ɛyɛ yie, nsɛeɛ a ɛko tia, ne ahoɔden a wɔde di dwuma ho ka, na ɛma ɛyɛ mfiridwuma mu onwini nhyehyɛeɛ a wɔpɛ wɔ wim tebea a ɛyɛ hyew mu.

Sɛ yɛbɛbɔ no mua a, ntease titiriw a ɛwɔ abantenten a ɛma onwini a wɔpaw wɔ wim tebea a ɛyɛ hyew mu ne sɛ wɔbɛsakra wɔn ho akɔ adwumayɛ tebea horow a ɛyɛ hyew ne nsu a ɛyɛ nwini kɛse, mfutuma, ne nea ɛporɔw no mu. Sɛ yɛde yɛn ho to anti-efĩ mfaso a ɛwɔ closed-loop circulation, cross{3}}flow heat exchange su a etu mpɔn na ɛyɛ den, ne corrosion-nneɛma a ɛko tia corrosion-flow service nkwa nna tenten so a, cross-flow closed cooling towers betumi anya bere tenten-flow stable adwumayɛ wɔ tropical environments, a ɛkari pɛ wɔ ɔhyew a wɔsɛe no mu ahiade ahorow a ɛfa mfiridwuma mu nneɛma a wɔyɛ ne sikasɛm a wɔde siesie ho.