Geomembrane dị nro
Nkọwa dị mkpirikpi:
A na-ejikarị geomembrane dị nro na-ejikarị otu ihe polymer eme ihe, dị ka polyethylene (PE), polyvinyl chloride (PVC), wdg. N'elu ya dị nro ma dị larịị, na-enweghị ihe doro anya ma ọ bụ ihe odide.
Ntọala ntọala
A na-ejikarị geomembrane dị nro na-ejikarị otu ihe polymer eme ihe, dị ka polyethylene (PE), polyvinyl chloride (PVC), wdg. N'elu ya dị nro ma dị larịị, na-enweghị ihe doro anya ma ọ bụ ihe odide.
- Njirimara
- Ezi mgbochi seepage arụmọrụ: Ọ nwere oke ala permeability na ike n'ụzọ dị irè gbochie penetration nke mmiri mmiri. Ọ nwere ezigbo ihe mgbochi megide mmiri, mmanụ, kemịkal ngwọta, wdg The mgbochi seepage ọnụọgụ nwere ike iru 1×10⁻¹²cm/s ka 1×10⁻¹⁷cm/s, nke nwere ike izute mgbochi seepage chọrọ nke ọtụtụ oru ngo. .
- Nkwụsi ike kemịkalụ siri ike: Ọ nwere oke acid na alkali nguzogide na nguzogide corrosion. Ọ nwere ike kwụsie ike na gburugburu kemịkalụ dị iche iche, kemịkalụ dị n'ime ala anaghịkwa emebi ngwa ngwa. Ọ nwere ike iguzogide corrosion nke ụfọdụ mkpokọta acid, alkali, nnu na ngwọta ndị ọzọ.
- Ezigbo nguzogide okpomọkụ dị ala: Ọ ka nwere ike ịnọgide na-enwe mgbanwe dị mma na ihe eji arụ ọrụ na gburugburu ebe okpomọkụ dị ala. Dịka ọmụmaatụ, ụfọdụ geomembranes polyethylene dị elu ka nwere ụfọdụ ngbanwe na -60 ℃ ruo -70 ℃ na ọ dịghị mfe ịgbajiji.
- Ihe owuwu dị mma: Elu dị larịị na ọnụọgụ esemokwu dị obere, nke dabara adaba maka ịtọgbọ ala na ntọala dị iche iche. Enwere ike ijikọ ya site na ịgbado ọkụ, njikọta na ụzọ ndị ọzọ. The ewu ọsọ bụ ngwa ngwa na àgwà dị mfe ịchịkwa.
Usoro mmepụta
- Usoro ịkpụ akpụ akpụ: A na-ekpo ọkụ akụrụngwa polymer ka ọ gbazee wee pụta site na extruder ka ọ bụrụ oghere tubular. Mgbe ahụ, a na-efesa ikuku abịakọrọ n'ime oghere tube iji mee ka ọ gbasaa ma rapara n'akpụkpọ ahụ maka ime ka ọ dị jụụ na ịkpụzi. N'ikpeazụ, a na-enweta geomembrane dị nro site na ịkpụ. Geomembrane nke usoro a na-emepụta nwere nha nha yana ezigbo ihe eji arụ ọrụ.
- Usoro kalenda: A na-ekpo ọkụ na-ekpo ọkụ polymer akụrụngwa wee extruded na gbatịa site multiple rollers nke a kalenda na-etolite a fim na ụfọdụ ọkpụrụkpụ na obosara. Mgbe ọ dị jụụ, a na-enweta geomembrane dị nro. Usoro a nwere elu mmepụta arụmọrụ na obosara ngwaahịa obosara, ma ọkpụrụkpụ uniformity bụ dịtụ ogbenye.
Mpaghara ngwa
- Ọrụ nchekwa mmiri: A na-eji ya maka ọgwụgwọ mgbochi mmiri nke ụlọ nchekwa mmiri dị ka ebe nchekwa mmiri, dams, na ọwa mmiri. Ọ nwere ike igbochi ntapu mmiri nke ọma, melite nchekwa mmiri na mbufe ọrụ nchekwa mmiri, yana ịgbatị ndụ ọrụ nke ọrụ ahụ.
- Ngwunye ala: Dị ka ihe mgbochi-seepage liner na ala na n'akụkụ nke mkpofu ahịhịa, ọ na-egbochi ntachi ahụ ka ọ ghara imetọ ala na mmiri dị n'ime ala ma na-echebe gburugburu ebe obibi gburugburu ebe obibi.
- Ụlọ ihe na-adịghị mma: A na-eji ya dị ka ihe mkpuchi mmiri na-ekpuchi elu ụlọ, okpuru ulo, ụlọ ịsa ahụ na akụkụ ndị ọzọ nke ụlọ ahụ iji gbochie ntinye nke mmiri ozuzo, mmiri ala na mmiri ndị ọzọ n'ime ụlọ ahụ ma melite arụmọrụ mmiri nke ụlọ ahụ.
- Odida obodo arụrụ arụ: A na-eji ya maka mgbochi-seepage nke ọdọ mmiri artificial, ọdọ mmiri odida obodo, ebe egwuregwu golf, wdg, iji nọgide na-enwe nkwụsi ike nke ahụ mmiri, belata nkwụsị nke mmiri, ma nye ezigbo ntọala maka okike okike.
Nkọwapụta na ihe ngosi nka nka
- Nkọwa: Ọkpụrụkpụ nke geomembrane dị nro na-adịkarị n'etiti 0.2mm na 3.0mm, na obosara bụ n'ozuzu n'etiti 1m na 8m, nke enwere ike ịhazi dịka mkpa nke ọrụ dị iche iche si dị.
- Nka na ụzụ na-egosi: Gụnyere ike mgbakasị, elongation na nkwụsịtụ, ike mgbawa aka nri, nrụgide nrụgide hydrostatic, wdg. The tensile ike bụ n'ozuzu n'etiti 5MPa na 30MPa, elongation na nkwụsịtụ dị n'etiti 300% na 1000%, aka nri-n'akuku akwa akwa. ike dị n'etiti 50N / mm na 300N / mm, na hydrostatic mgbali nguzogide dị n'etiti 0.5MPa na 3.0MPa.
Ihe ndị a na-ahụkarị nke geomembrane dị nro
| Parameter (参数) | Unit (单位) | Ọnụ ahịa a na-ahụkarị (典型值范围) |
|---|---|---|
| Ọkpụrụkpụ (厚度) | mm | 0.2-3.0 |
| Obosara (宽度) | m | 1-8 |
| Ike Tensile (拉伸强度) | MPa | 5-30 |
| Elongation na ezumike (断裂伸长率）) | % | 300-1000 |
| Ike akwa akwa n'akuku aka nri (直角撕裂强度) | N/mm | 50-300 |
| Hydrostatic Pressure Resistance (耐静水压）) | MPa | 0.5-3.0 |
| Ọnụọgụ ikike ikike (渗透系数）) | cm/s | 1×10⁻¹² - 1×10⁻¹⁷ |
| Ọdịnaya Ojii Carbon (炭黑含量) | % | 2-3 |
| Oge ntinye Oxidation (氧化诱导时间）) | min | ≥100 |
