Sand Precoat: te āhuatanga, tono

He rauemi pērā i onepu, e whai wāhi nui i roto i te hanga. Kei te tapiritia te reira ki ngā ranunga e e whakamahia mo te hanga o poraka o raima me ngā mōtā mo plasters. whakaū hoki ratou i te embankments me rori. whakamahia te hua i te taiao e kore anake, engari horihori.

Tei runga i te momo production he momona rawa onepu, pōhatu, awa moana ranei. Precoat (horoia) onepu - he rauemi taiao e whakawhiti wai. Reira e kore tata e roto i te uku, me te kohatu.

tikanga hanga

Hua "patoto atu" te pēhanga wai nui hurihiko ara, tango i tetahi mea korakora. riro te reira i iti me te kākahu, te whakanui ake i tona kounga. Ki te rā, te onepu momona i roto i te tono nui i roto i te ahumahi hanga.

āhuatanga:

• e kore te mea neke atu i te 0.3% matūriki ke i roto i te ranunga;
• piha ira - tuatahi;
• ōwehenga raungaitinga - 1,05-1,52;
• whakarea tiketike o te filtration.

Ka taea e momona onepu e pai-baked, reo-baked me makaka-baked. Ko tōna uara toharite ko te 0.6 mm. tei te tae i runga i te mea poke e kitea i roto i te rauemi. tae White grayish ranei he ma kiripaka onepu. Ki te te hue kaua parauri kōwhai ranei, e kitea i roto i te waikura rino rauemi.

tono

onepu momona whakamahia:

• mo te hanga o curbs, tīwae, raima mowhiti, faaineine taera;
• rite he rongoā excipient;
• mō te oti i mahi.

he maha o painga mo rauemi rua kohatu tikanga (i horoia,) Sand rua precoat (horoia) kua.

te tura

• E kore ngā matūriki paru (pērā onepu whakapai i horoia, e taka Tātarihia).
• ihirangi Hātepengia o kohatu nunui, me te whenua.
• E kore inclusions organic.
• Kahore he take mō te purenga atu.

O faufaa rahi i roto i te hanga ko te whakamahi o te momo parakore. He tikanga o horoi rauemi. Ki te tika ki te horoi nui iti o hua, ka te sieved reira me te wai whangai. I mua i-hiahia ki te tiaki o te ipu, ka e kia backfilled ranunga. e rave rahi taime te wai ke te, tae noa ki te mea poke te rauemi.

Ka taea hoki e koe te hoko i te onepu momona, te utu o te mea Matete teitei. Tona painga ko e ko ia kua poke. He he he tikanga tuku iho mō te pure i te ranunga. E mau ki te mata whakarewa totoro i runga i te anga. Tuatahi i sieved te ranunga roto i te mata, me te ka horoi i roto i te ipu.

I roto i te hanga i reira he mahi e rapua e te whakamahi o tioata nui. Ki te mahi i tenei, tangohia te anga ki te mata 5-10 mm o. Kei te whakatakotoria te reira i whakapae i runga i te pereki (4-5 mongamonga i roto i ia kokonga). Mata ngohi te taratara. I ringihia ranunga runga ake, tona whakaōritenga, ka whangai wai i raro i te pēhanga i te ngongo wai.

I te tahi taime whakamahia i roto i te hanganga o te ranunga onepu ki poke o te whenua, me te tahi atu te aukati. Ko reira whakaaetia ki te whakamahi i, e kore e rapua e te reira e kawea te mahi i roto i anake ki te whakamahi o ngā rauemi kounga. Hei tauira, kua hiahiatia reira ki te whakaki i wahi i runga ake i te whenua i te waikeri ranei.

Ko tōna tono ko e rua onepu māori, me te horihori. Mai i te kounga Tei hua moata kaha.