Nlekọta nkwụsị
Nlekọta nkwụsị na-eweta usoro, akụrụngwa, na usoro ndị dị mkpa maka njikwa, ịkewa, na ọgwụgwọ nke ihe ndị a na-ekewapụ na slurry drilling nke na-emepụta n'oge owuwu ntọala miri emi, karịsịa na ntinye mgbidi diaphragm, mmepe curtain cutoff, ọrụ jet grouting, na usoro ngwakọta ala. Usoro ndị a na-enyere aka bụ isi na usoro mmezi ala nke oge a n'ihi na ha na-eme ka ịkewa nke slurry components si na ala a na-ekewapụ, na-enye ohere maka iji ihe ọzọ ma ọ bụ iwepụ ya nke ọma, na-eme ka a na-emezu iwu gburugburu ebe obibi na-achịkwa mmiri ala na njikwa mkpofu.
Na ngwa ọrụ, usoro nlekọta nkwụsị na-eji ebe niile a na-emepụta nnukwu olu nke slurry drilling na ihe nkwụsị. N'oge owuwu mgbidi diaphragm na ntinye curtain cutoff, bentonite-stabilized slurries na-edebe ịdịgide nke trench; ka excavation na-aga n'ihu, slurry na-eme ka ọ bụrụ nke a na-ebu ibu na obere ala na a ga-enwerịrị ka a na-emegharị ya na ụlọ ọgwụgwọ iji mantenị ịdị mma. N'otu aka ahụ, ọrụ jet grouting na-emepụta ihe na-alaghachi na elu na mmiri na-emegharị, na-achọ ka a na-eme ka ihe na mmiri dị iche. Na ngwakọta ala na ngwa ngwakọta ala miri emi, ihe a na-ekewapụ n'onwe ya bụ ngwaahịa a na-agbanwe, ma usoro nlekọta nkwụsị na-achịkwa oke ihe na slurry.
Usoro ọrụ na-ejikọta usoro ịkewa nke dị n'usoro. Ịkewa mbụ na-eme na tanks na-ejide ma ọ bụ slurry pits ebe nnukwu ihe na-adọba site na ibu, ebe obere bentonite solids na-anọ na nkwụsị. Ọgwụgwọ nke abụọ na-eji hydrocyclones ma ọ bụ classifiers centrifugal iji nweta ịkewa nke obere ihe, na-enweta ájá na gravel mbụ site na vibrating screens ma ọ bụ dewatering units. Ọtụtụ usoro oge a na-ejikọta multi-stage centrifugation iji kewaa clay na bentonite solids si na mmiri, na-emepụta nkwụsị na-enweghị mmiri na slurry a na-emegharị nke kwesịrị ekwesị maka iji. Peristaltic pumps na usoro displacement dị mma na-eme ka slurry na-agba ọsọ nke ọma ma na-eme ka turbulence nke ga-eme ka obere ihe na-anọghachi.
Nhazi akụrụngwa na nke a gụnyere ụlọ ọgwụgwọ slurry zuru ezu (mobile ma ọ bụ fixed installations), modular separation units na-ejikọta ọtụtụ screening na centrifuge stages, standalone hydrocyclone clusters, dewatering centrifuges, vibrating dewatering screens na chemical flocculant injection, na usoro recycling slurry pụrụ iche. Nhọrọ akụrụngwa dabere na ọnụ ọgụgụ nkwụsị (m³/nkeji), nkọwa nke nha nke ihe a na-ekewapụ, ịdị elu na ogologo oge nke excavation, nkọwa nke slurry density na viscosity, mgbochi gburugburu ebe obibi, na oke ebe.
Nhọrọ nke a na-eme ka arụmọrụ nke ịkewa, nkwalite slurry, oriri ike, footprint, na ịmezu iwu mmiri. Ndị ọkachamara na-enyocha mkpa nke nkwụsị na-agba ọsọ (na-achọpụta ikike nke screen na centrifuge), nkọwa density a na-achịkwa site na imewe (na-adịkarị 1.10–1.25 kg/m³ maka mgbidi diaphragm), na ụkpụrụ ịmepụta gburugburu ebe obibi na-achịkwa turbidity, suspended solids concentration, na ụzọ iwepụ. Ngwongwo ọnụahịa zuru ezu gụnyere itinye akụrụngwa mbụ, ihe eji eme ihe (bentonite, flocculants, screen media), ụgwọ iwepụ ma ọ bụ nhazi maka nkwụsị na-enweghị mmiri, na ụgwọ ndị nwere ike ịda maka iwepụ na-adịghị emezu.
Nkọwa ndị metụtara gụnyere DIN 4128 (nkwuputa mgbidi diaphragm), EN 14679 (ngwakọta miri emi site na rods), EN 1538 (mgbidi diaphragm na ala), na ISO 10414 (nnyocha mmiri drilling). Ndị na-emepụta akụrụngwa na-ejikarị ISO 3444 (nnyocha slurry density) na-ejide iwu nchekwa akụrụngwa (2006/42/EC) na ụkpụrụ ịmepụta gburugburu ebe obibi nke ndị ọchịchị mmiri mpaghara kwadoro.