Tikanga papamuri
Ko te paura rapa ka taea te wehewehe anō he paura totoka mā te tukatuka mā te rehu me te whakamaroke i te rapa motuhake. He mea nui te whakamahi hei tāpiri mō te "mōta mano-ranunga" me ētahi atu tāpiringa mota maroke-ranunga mō ngā rauemi hangahanga pakitara o waho. . Ko te paura rapa ātete e whakamahia whānuitia ana he copolymer o te vinyl acetate, he paura mā ka taea te reti noa, ā, ka taea te marara pai ki te wai hei hanga i tētahi emulsion pumau me te mahi rite ki te rapa taketake. Hei rauemi tāpiri tino nui i roto i ngā hua mota maroke-ranunga, he mea nui te paura rapa ka taea te tohatoha anō i roto i te mota maroke-ranunga sima. Ka taea e ia te whakapai ake i te kaha here me te piripono o te rauemi. Whakapai ake i te kaha piko ngāwari me te kaha piko o te rauemi. Whakapai ake i te ātete huka-rewa o te rauemi. Whakapai ake i te ātete huarere, te roa, te ātete kakahu o te rauemi. Whakapai ake i te hydrophobicity o te rauemi me te whakaiti i te mimiti wai. Whakapai ake i te mahi me te whakaiti i te whakahekenga o te rauemi. Ka taea te ārai pai i te pakaru. (I) Whakapai ake i te kaha here me te piripono
I roto i ngā hua moata sima maroke, he mea tino tika kia tāpirihia he paura rapa ka taea te whakamarara anō. He tino mārama te whakapai ake i te kaha o te hononga me te piri o te rauemi. Nā te urunga o ngā matūriki polymer ki roto i ngā pūwero me ngā uaua o te hanganga sima tēnei, ā, ko te hua o te kaha piri pai i muri i te whakamakuku ki te sima. Nā te pai o te piri o te kapia polymer, ka taea te whakapai ake i te piri o ngā hua moata sima ki ngā papa, inā koa te hononga o ngā here kore-waro pērā i te sima ki ngā papa waro pērā i te rakau, te muka, te PWC, me te PS. He mārama ake te pānga o te whakapai ake i te mahi ngoikore.
Kua whakapai ake i te ātete piko me te ātete kume
I roto i te angaanga mārō i hangaia i muri i te whakamakuku o te moata sima, he pīngore, he pakari te kiriata o te pūhui, ā, he rite ki te hononga nekeneke i waenganui i ngā matūriki moata sima, ka taea te tu atu i ngā kawenga whakarerekētanga teitei me te whakaiti i te ahotea. He pai ake te ātete ki te kume me te piko.
Whakapai ake i te ātete pānga
He kapia kirihou wera te paura rapa ka taea te whakamarara anō. Ka taea e te kiriata ngohengohe kua pania ki te mata o ngā matūriki moata te mimiti i te pānga o te kaha o waho, ā, ka wātea, me te kore e whati, ā, ka pai ake te ātete ki te pānga o te moata.
Whakapai ake i te hydrophobicity me te whakaiti i te mimiti wai
Mā te tāpiri i te paura rapa ka taea te whakamarara anō ka whakapai ake i te hanganga moroiti o te moata sima. Ka hangaia e tōna pūmua he whatunga kore e taea te huri i te wā o te tukanga whakamakuku sima, ka kati i te uaua o te toto i roto i te tiēre sima, ka aukati i te mimiti o te wai, ka ārai i te urunga o te wai, ā, ka whakapai ake i te ātete o te wai.
Whakapai ake i te ātete ki te kakahu me te roa
Mā te tāpiri i te paura rapa 휘 ka taea te whakamarara anō ka taea te whakanui ake i te kiato i waenga i ngā matūriki moata sima me te kiriata polymer. Mā te whakanui ake i te kaha piripono ka whakapai ake i te kaha o te moata ki te tu atu i te ahotea kutikuti, ka whakaiti i te tere kakahu, ka whakapai ake i te ātete kakahu, ā, ka roa ake te ora o te moata.
Whakapai ake i te pumau o te huka-rewa, ā, ka ārai pai i te pakaru o ngā rauemi
Ko te paura rapa ka taea te whakamarara anō, mā te pānga kirihou o tōna kapia kirihou wera ka taea te wikitoria i te kino i puta mai i te whakawhānui me te whakaheke wera o te rauemi moata sima i puta mai i te huringa o te rerekētanga pāmahana. Mā te wikitoria i ngā ngoikoretanga o te moata sima ngāwari, pērā i te whakahekenga maroke nui me te ngawari o te pakaru, ka taea te hanga i te rauemi kia ngāwari ake, kia pai ake ai te pumau o te rauemi mō te wā roa. Heoi, he raruraru kei roto i te tukanga whakaputa o te paura rapa ka taea te whakamarara anō i ngā mahi o mua, ko te hua o tēnei ko te kore o ngā matūriki rapa e ōrite me te iti, ā, ka tere te kohikohi i te wā whakaputa, te kawe me te rokiroki. Nā tēnei ka pā ki tōna pānga whakamahinga.
Ka taea te whakatinana i tēnei tukanga mā roto i ngā otinga hangarau e whai ake nei: he tukanga whakaputa paura rapa kua horapa-muri, ko ngā rauemi e whai ake nei kua hangaia kia rite ki te ōrau taumaha kua tāpirihia o te emulsion polymer 72-85%; colloid tiaki 4-9%; kaihoko tuku 11-15%; tāpiri mahi 0-5%; i hangaia mā te tukanga e whai ake nei.
A, te whakarite i te colloid tiaki: i roto i te kettle tauhohenga, kāore te paura colloid tiaki o te nui o te puranga e konatunatua ki te wai, engari ka whakamahana kia hurihia hei kāpia, ka tāpirihia he defoamer, ka whakamahanahia, ka pupuri kia mahana kia hanga he colloid tiaki matotoru mārama, kia eke te matotoru ki te 2500as, ka eke te ihirangi totoka ki te 19.5-20.5%.
b. Te whakarite i te marara: whakanohoia te colloid tiaki kua rite ki roto i te ipu whakarite, kātahi ka tāpirihia te emulsion polymer o te nui o te puranga, whakaranua kia ōrite, kātahi ka tāpirihia te defoamer me te tāpiri wai hei whakatika i te matotoru ki te 70-200Mas, ā, ka eke te ihirangi totoka ki te 39%-42%, ka mahana ki te 50-55°
C, hei whakamahi;
C, whakamaroke rehu kapua: whakatuwheratia te pourewa whakamaroke rehu kapua, ina wera te pāmahana o te tomokanga whāngai i te tihi o te pourewa whakamaroke rehu kapua ki te 140-150 DEG C, ka tukuna te marara kua whakaritea ki te tomokanga whāngai i te tihi o te pourewa whakamaroke rehu mā te papu tīwiri. I roto i te tauranga whāngai, ka atomihia te wai marara ki roto i ngā pata iti me te diameter pata o te 10-100 microns mā roto i te kōpae atomization tere-teitei i roto i te tauranga whāngai. I taua wā anō, ka wera tere ngā pata iti ki te hau pāmahana teitei, ā, i taua wā anō, ka tāpirihia te kaihoko tuku ki roto i te hau pāmahana teitei. , ina werahia ngā pata iti hei whakaputa matotoru, ka piri te kaihoko tuku ki ngā pata iti i te wā, kātahi ka mimiti tere te wai i roto i ngā pata iti ki te maroke e te hau pāmahana teitei hei hanga i te ranunga hau-totoka;
d, te whakamatao me te wehenga: kia mau tonu te pāmahana o te putanga hau o te putanga hau o te pourewa whakamaroke rehu ki te 79°C-81°C, ā, ka tere te kaweake i te ranunga hau-totoka mai i te putanga hau i raro i te pourewa whakamaroke rehu, kātahi ka kawemai ki roto i te putea tātari nui i muri i te whakamatao. Ka wehea te paura i roto i te hau, ā, ka whakarōpūhia te paura kua wehea, ka tātarihia kia puta ai te hua oti o te paura rapa kua marara anō. Ngā Whakaaturanga Motuhake Tāpirihia he nui o te wai ma kia rite ki te ōwehenga o te tauhohenga ma, whakapiki ake i te pāmahana ki te 50°C, tahurihia te pūnaha whakaoho, tāpirihia te paura colloid tiaki kia rite ki te 25% o te nui o te wai i tāpirihia ki te tauhohenga, ā, me puhoi te tukanga tāpiri Tāpirihia kia kore ai te paura e haaputuputu ki roto i te wai. Kaua e tāpiri ki te pakitara taha o te tauhohenga. Kia oti te tāpiri, tāpirihia he whakakore pahuka e rite ana ki te 1% o te nui katoa. E taunakihia ana kia whakamahia he whakakore pahuka i hangaia ki te silicone. Taupokina te kōhao whāngai ka whakamahana kia tata ki te 95°C. Me whakamātao mō te 1 hāora, ka hangaia te wai i roto i te tauhohenga hei kāpia matotoru mārama, kāore he matūriki mā, ka tangohia he tauira, ka whakamātautauhia te matotoru me te ihirangi totoka, me eke te matotoru ki te 2500as, ā, me eke te ihirangi totoka ki te 19.5 ~ 20.5%. Tāpirihia te colloid tiaki kua whakaritea ki te ipu whakaranu, kātahi ka tāpirihia te emulsion polymer kia rite te ōwehenga, whakaranua te colloid tiaki me te emulsion kia ōrite, ka tāpirihia te dehumer kia tika, ko te tikanga he rite ki te 0.1% o te tapeke, ā, me whakamahi e koe te dehumer. He patu huakita silicone kua whakamātauria.
Tāpirihia he hinu pahuka, ā, tāpirihia he wai hei whakatika i te matotoru ki te 70-200pas, me te ihirangi totoka ki te 39%-42%. Whakanuia te pāmahana ki te 5055C. Whakamātautau tauira, kua rite ki te whakamahi.
Ka tere te whakamaroke o te wai i roto i ngā pata e te hau pāmahana teitei, kātahi ka tere te kawe i te ranunga hau-totoka ki waho o te pourewa whakamaroke, kia mau tonu te pāmahana o te putanga hau i te putanga hau o raro o te taputapu whakamaroke ki te 79°C -81°C. Ka arahina te ranunga hau-totoka mai i te taputapu whakamaroke. I muri i te wehenga, tāpirihia he hau maroke kua whakamaroketia ki te 5°C hei whakamatao, ā, ka whakaurua te paura kei roto te hau ki roto i te tātari putea nui, ā, ka wehea te paura i roto i te hau mā roto i ngā huarahi e rua o te wehenga āwhiowhio me te wehenga tātari. , Ka whakarōpūhia te paura kua wehea, ka tātarihia kia whiwhi ai i ngā moutere paura rapa ka taea te whakamarara anō.
Kawehia te 1,000 kg o te wai marara me te ihirangi totoka o te 42% ki te pourewa whakamaroke i tētahi pēhanga, ka tāpirihia he 51 kg o te kaihoko tuku e ai ki te tikanga o runga ake nei i te wā kotahi, whakamarokehia mā te rehu me te wehea te totoka me te hau, ka whiwhi i te putanga paura o te 461 kg me te matotoru e tika ana.
Wā tuku: 27-Pepuere-2023