Mā te whakamahi i te pūnaha whakakore hau hau (FGD) o tētahi tipu hiko waro hei tauira, ka tirohia e tēnei tātaritanga ngā take i roto i ngā pūnaha wai para FGD tuku iho, pērā i te hoahoa ngoikore me te nui o ngā reiti rahunga taputapu. Mā te arotakenga maha me ngā whakarerekētanga hangarau, i whakaitihia te nui o te totoka i roto i te wai para, kia pai ai te mahi a te pūnaha me te whakaiti i ngā utu whakahaere me te tiaki. I whakaarohia ngā otinga me ngā taunakitanga whai hua, hei whakarato i te turanga pakari mō te whakatutuki i te kore tukunga wai para a muri ake nei.
1. Tirohanga Whānui o te Pūnaha
Ko ngā tipu hiko waro e whakamahi ana i te tukanga FGD mākū o te kōhatu-gypsum, e whakamahi ana i te kōhatu (CaCO₃) hei mimiti. Ka puta mai i tēnei tukanga te wai para FGD. I tēnei wā, e rua ngā pūnaha FGD mākū e whakamahi tahi ana i te waeine maimoatanga wai para kotahi. Ko te pūtake wai para ko te waipuke gypsum cyclone, e tukatukahia ana mā te whakamahi i ngā tikanga tuku iho (pūnaha tāke-toru) me te kaha kua hoahoatia o te 22.8 tana/h. Ka papuhia te wai para kua tukatukahia 6 km ki te wāhi tuku para hei pehi i te puehu.
2. Ngā Take Nui o te Pūnaha Taketake
He maha ngā turuturu, ngā pakaru rānei o te diaphragm o ngā papu inenga, ā, kāore i te haere tonu te inenga matū. Nā te nui o ngā pakaru i roto i ngā mīhini tātari pereti-me-angi me ngā papu paru i nui ake ai te mahi, ā, i whakararuraru i te tango paru, i whakaroa ai te whakatōtō i roto i ngā whakamārama.
Ko te wai para, i ahu mai i te waipuke o te awhiowhio gypsum, he tata ki te 1,040 kg/m³ te matotoru me te 3.7% te ihirangi totoka. Nā tēnei i whakararu te kaha o te pūnaha ki te tuku tonu i te wai kua rongoatia me te whakahaere i ngā kukū katote kino i roto i te ngongo.
3. Ngā Whakarerekētanga Tuatahi
Te Whakapai Ake i te Inenga Matū:
I tāutahia ētahi atu tāke matū ki runga i te pūnaha tāke-toru hei whakarite i te horopeta ōrite mā te kaha ā-papa, e whakahaerehia ana e temita kukū ipurangi.
Hua: I whakapai ake i te kounga o te wai, ahakoa i hiahiatia tonu te whakatō. I whakaitihia te tukunga wai ia rā ki te 200 m³, kāore i ranea mō te whakahaere pumau o ngā pūnaha FGD e rua. He nui ngā utu horopeta, ko te toharite he 12 CNY/tana.
Te Whakamahi Anō i te Wai Para hei Pehi i te Puehu:
I tāutahia ngā papu ki te raro o te ipu whakamārama hei whakawhiti i tētahi wāhanga o te wai para ki ngā putunga pungarehu o te papa hei whakaranu me te whakamakuku.
Hua: I whakaitihia te pēhanga i runga i te wāhi whakakorenga para engari i hua tonu he nui te paru me te kore e tutuki i ngā paerewa tukunga para.
4. Ngā Inenga Arotau o Nāianei
Nā te kaha ake o ngā ture taiao, i hiahiatia ai te whakapai ake i te pūnaha.
4.1 Te Whakatikatika Matū me te Mahi Tonu
I puritia te pH i waenga i te 9–10 mā te whakanui ake i te horopeta matū:
Te whakamahinga o ia rā: te raima (45 kg), ngā matū whakapūkara (75 kg), me ngā matū whakapūkara.
I whakarite kia tukuna he wai mārama o te 240 m³ ia rā i muri i te whakahaeretanga o te pūnaha i ētahi wā.
4.2 Te Whakamahi Anō i te Tāke Para Ohorere
Te whakamahinga takirua o te tāke ohorere:
I te wā e kore ai e whakamahia: Te rokiroki paru.
I te wā e whakahaerehia ana: Te whakapūpū taiao hei tango i te wai mārama.
Arotautanga:
I tāpirihia ngā takirere me ngā paipa ki ngā taumata tāke rerekē hei whakahohe i ngā mahi ngāwari.
I whakahokia te gypsum paru ki te pūnaha hei whakamaroke i te wai, hei whakamahi anō rānei.
4.3 Ngā Whakarerekētanga Pūnaha-whānui
I whakaitihia te kukū o ngā matū totoka i roto i te wai para e tau mai ana mā te whakawhiti i te tātari mai i ngā pūnaha whakamaroke whitiki korehau ki te tāke ārai wai para.
Te whakapai ake i te whai huatanga o te whakapūpūngao mā te whakapoto i ngā wā taunga taiao mā te tāpiri matū ki roto i ngā tāke ohorere.
5. Ngā Painga o te Arotautanga
Te Kaha Whakapai Ake:
Te mahi tonu me te tukunga i ia rā neke atu i te 400 m³ o te wai para e tutuki ana i ngā whakaritenga.
Te whakahaere whai hua i te kukū katote i roto i te mimiti.
Ngā Mahi Whakangawari:
Kua kore te hiahia mō te mīhini tātari pereti-me-angi.
Kua whakaitihia te mahi mō te whakahaere paru.
Te Pūmautanga o te Pūnaha Whakarei:
He ngāwari ake ngā wātaka tukatuka wai para.
Te teitei ake o te pono o ngā taputapu.
Ngā Penapena Utu:
Kua whakaitihia te whakamahinga matū ki te raima (1.4 kg/t), ngā matū whakakōkī (0.1 kg/t), me ngā matū whakapūkara (0.23 kg/t).
I whakahekehia te utu maimoatanga ki te 5.4 CNY/tēne.
Ngā penapena ā-tau tata ki te 948,000 CNY i roto i ngā utu matū.
Whakamutunga
Nā te arotautanga o te pūnaha waipara FGD i tino pai ake ai te whai huatanga, i whakaitihia ai ngā utu, ā, i tutuki hoki ngā paerewa taiao pakari ake. He tohutoro ēnei mahi mō ngā pūnaha rite e whai ana kia kore rawa he tukunga waipara, kia pumau tonu ai hoki mō te wā roa.
Wā tuku: Hanuere-21-2025
