Sandblasting dan kɛse bi .
Large-Scale Sandblasting Rooms yɛ heavy-ADWUMA A WƆDE DI DWUMA WƆ ADWUMA MU ADWUMA A WƆDE DI DWUMA, wɔde di dwuma kɛse ma ahotew a etu mpɔn na ɛyɛ pɛ ne pre-aduru a wɔde yɛ adwuma akɛse ne nea emu yɛ duru. Wɔ aseɛ ha yi, mɛma wo nhwehwɛmu a ɛkɔ akyiri a ɛfiri afã mmienu: application fields ne usage skills.
I. Application fields titiriw a ɛyɛ kɛse-scale sandblasting rooms .
Dwumadi titiriw a ɛwɔ dan kɛse bi a wɔde anhweatam ayɛ mu ne sɛ ɛbɛtew adwennwen ho na ayɛ basaa, na ɛma wonya fapem a eye ma nneɛma a wɔyɛ no akyiri yi te sɛ nea wɔde petepete so, nea wɔde kata so, ne nea wɔde kyekyere nneɛma ho.
Dade nhyehyɛe ne adansi afuw .
Bridges, power stations, ne storage tank: Yi scale, rust, ne dedaw a wɔde kata so no na ama woanya ahotew dodow a ɛyɛ SA2.0-2.5 anaa nea ɛboro saa.
Standardized pretreatment of building steel structures ne H-beams ansa na wɔde apete anti-nkyene anaasɛ ogya ntumi nhyew.
Hyɛn ne po ho mfiridwuma .
Hull afã horow, decks ne cabins: kɛse-scale rust removal ne dedaw paint yiyi.
Offshore platforms ne jacket systems: Anti-Nkyene a wɔde di kan yɛ aduru ma po mu nneɛma a atwa yɛn ho ahyia a ɛyɛ den.
Akwantuo
Nneɛma a wɔde siesie asase ani ma nsiesie kɛse anaasɛ keteke keteke ne nteaseɛnam foforo a wɔyɛ (titiriw tank kar ahorow).
Lɔre akɛse a wɔde yɛ adwuma, adansi mfiri ahorow no mu nneɛma a wɔde yɛ adwuma: te sɛ nea wɔde tutu fam, krane a wɔde yɛ nneɛma, ne nea ɛkeka ho.
Ahoɔden ne nnwinnade a emu yɛ duru .
Sandblasting a ɛwɔ mu ne akyi afasuo a mframa ahoɔden generation abantenten yɛ ade titiriw wɔ anti-corrosion coating.
Nhyɛso nsukorade, nsu a wɔde yɛ nsu, ne nnuru a wɔde yɛ nneɛma: weld seam cleaning, mu ɔfasu oxide scale a woyi fi hɔ, ne ɔbrɛ ahoɔden a ɛma ɛyɛ yiye.
Castings akɛse ne forgings: Yi anhwea a ɛyɛ fɛ ne oxide scale na ama ɔfasu no so sintɔ ahorow no ada adi.
Ahunmu .
Wimhyɛn mu nneɛma, rocket casings: pre-ayaresa a wɔde ma adwennwen so tew, hyɛ mu den anaasɛ ɛne nneɛma pɔtee bi bata ho.
ii. Nneɛma titiriw a wɔde di dwuma ne nneyɛe pa a ɛyɛ kɛse-scale sandblasting rooms .
Sɛ wɔde di dwuma yiye na wɔhwɛ so yiye a, ɛno ne ade titiriw a ɛbɛma wɔahwɛ ahu sɛ ɔdan a wɔde anhwea abɔ no bɛyɛ adwuma yiye, sikasɛm mu mfaso na ahobammɔ wom.
(1) Ahosiesie ne nhyehyɛe ansa na wɔayɛ oprehyɛn .
Workpiece nhyehyɛe ne hoisting .
Yɛ nhyehyɛe ma akwan a wɔfa so kɔ ne kwan a wɔfa so fi adi wɔ adwuma no mu ne gyinabea a ɛkyinkyini/keka a ɛkɔ so wɔ bere a wɔrebɔ sandblasting no mu na ama wɔahwɛ ahu sɛ wobetumi akata n’afa nyinaa so yiye.
Sɛ wopɛ nneɛma foforo-afã horow (te sɛ abantenten cylinders) a, ɛho hia sɛ wo ne asase so asase so keteke kwan ne trolley ahorow a ɛwɔ anhweatam so yɛ biako ma anhwea a wɔakyekyɛ mu.
Fa sandblasting room no sorokɔ di dwuma koraa na fa multi-layer suspension kwan no di dwuma de di batch afã nketewa ho dwuma, na ɛnam so ma space utilization rate no tu mpɔn.
Abrasive selection ne ahosiesie .
Paw sɛnea nhyehyɛe no mu ahwehwɛde ahorow te:
Metal Abrasives (Cast Steel Sand, Wire Cut Shot) : Ɛyɛ den a ɛkorɔn, ɛyɛ adwuma bere tenten, wotumi de di dwuma bio, ɛfata sɛ wɔhyɛ ayaresa mu den na woyi nkannare nyinaa.
Non{0}}metallic abrasives (brown corundum, quartz sand, garnet) : Wɔn ho yɛ den kɛse na ɛyɛ den sɛ wobetwa, na ɛfata ma nkannare a ɛyɛ den anaasɛ abo a wɔde yɛ wɔn ani. Nanso, ɛma mfutuma pii ba na ɛma ɛyɛ mmerɛw ntɛmntɛm.
Sɛ wɔde abrasive foforo di dwuma nea edi kan a, ɛsɛ sɛ ɛfa "mirun a hwee nni mu" kyinhyia mu de yi mfutuma ne nneɛma a asɛe wɔ wɔn mu no fi hɔ.
Abrasive mixing: Abrasive foforo ne dedaw a wɔde di dwuma wɔ ɔkwan pɔtee bi so (te sɛ 3:7) no betumi ama wɔatew adwumayɛ so nko na mmom ɛbɛtew ɛka so nso.
(2) Nneɛma titiriw a wɔde yɛ anhweatam so adeyɛ no .
Mframa nhyɛso ne nsu a ɛsen sohwɛ .
Mframa nhyɛsoɔ yɛ tumi fibea: Mpɛn pii no, ɛhia sɛ wɔhwɛ adwumayɛ nhyɛsoɔ no so wɔ 0.6 ne 0.8 MPa ntam. Nhyɛso a ɛba fam ma ahotew a ɛba fam ba. Nhyɛso a ɛtra so betumi abubu abrasive a ɛyɛ ntɛmntɛm a mfiri no asɛe no ntɛm, na adwuma no nso betumi asɛe.
Flow rate ne ade titiriw a ɛma ɛyɛ adwuma yiye: Yɛ nsakrae wɔ abrasive valve no mu ma ɛyɛ pɛpɛɛpɛ na ɛkɔ so yɛ abrasive supply. Nsu a ɛsen a entumi nnyina no betumi ama asase ani a ɛyɛ mmerɛw a ɛnyɛ pɛpɛɛpɛ aba.
Spray Gun Operation Techniques .
Angle: Mpɛn pii no, tuo a wɔde petepete so no yɛ digrii 70 kosi 80 wɔ adwuma no ani (wɔabara koraa sɛ wɔmfa aduru a wɔde petepete so wɔ anim a ɛda hɔ gyina hɔ a ɛyɛ digrii 90 , efisɛ ebetumi ama abon a emu dɔ dodo aba). Sɛ wopɛ sɛ wuhu nneɛma a ɛwɔ soro anaa mprɛte a ɛyɛ tratraa a, anim no betumi ayɛ ketewaa.
Ɔkwan a ɛda ntam: Wɔtaa hwɛ so wɔ 300 ne 700 mm ntam. Ɔkwan a ɛda ntam no bɛn dodo, na ɛde ɔporɔw a emu yɛ den a ɛyɛ den ne roughness kɛse ba. Ɔkwan no kɔ akyiri dodo, ahoɔden yera na adwumayɛ a ɛyɛ adwuma yiye no sua.
Movement Speed and Trajectory: Kɔ so yɛ ahoɔhare a ɛyɛ den na ɛyɛ pɛ wɔ kankyee mu, na fa transverse anaa longitudinal overlapping sweeping (a ɛka bom bɛyɛ 1/3) di dwuma na ama woakwati sɛ worennyae anaasɛ worenpetepete wo ho.
Nhwɛsode a wɔde aniwa hu ntotoho .
Fa ISO 8501-1 anaa SSPC-VIS standard samples di dwuma bere biara de toto ahotew ho nkyerɛwde a ɛwɔ sandblasting akyi (te sɛ SA 2.0, SA 3).
Fa roughness comparator anaa replication tape di dwuma de sɔ surface profile (roughness) hwɛ sɛ ɛne coating ahwehwɛde ahorow no hyia (mpɛn pii no 50-100 microns).
(3) Nnwinnade a wɔhwɛ so yiye ne nhyehyɛe a wɔyɛ no yiye .
Mfutuma a woyi fi hɔ nhyehyɛe no ne nkwa nhama no:
Daa: Hwɛ nhyɛso nsonsonoe a ɛwɔ filter cartridge/filter bag no mu na tew nsõ no ho wɔ bere mu.
Daa: Hwɛ sɛ ebia pulse reverse blowing system no reyɛ adwuma yiye de ahwɛ ahu sɛ mfutuma a woyi no yɛ adwuma yiye anaa. Nhyehyɛe a ɛma mfutuma yi fi hɔ a entumi nyɛ yiye no betumi ama wɔahu ade yiye koraa, na ɛno na epira akwahosan na ɛka anhwea a ɛbɔ no yiye.
Abrasive recovery ne sorting nhyehyɛe .
Hwɛ scraper conveyor no daa na siesie nneɛma a asɛe wɔ screen no so no na amma ansiw.
Hwɛ magnetic force effect a ɛwɔ separator no mu (sɛ wɔde dadeɛ abrasive di dwuma a) na ama wɔatumi atetew mfutuma, nneɛma a asɛe ne abrasive a wɔde di dwuma no mu yie.
Ɛsɛ sɛ woyi mfutuma ne nneɛma nketenkete a ɛyɛ fɛ no fi nhyehyɛe a wɔde san ba no mu yiye daa. Wɔn ne nneɛma titiriw a ɛma anhwea a ɛbɔ no so tew na nnwinnade no asɛe.
Atopae a wɔde petepete so ne nea ɛho ayɛ fĩ-afã horow a ɛko tia .
Fa nhyehyɛe a wɔde besi ananmu daa si hɔ, titiriw ma nneɛma a ɛho ayɛ fĩ-afã horow a ɛko tia te sɛ nsu a ɛwɔ nsu no mu, nsu afiri a wɔde bɔ anhwea, ne venturi nhama. Nozzles a asɛe no betumi asɛe abrasive flow no kɛse, na ama adwumayɛ so atew bɛboro 20%.
Nozzles a wɔde super-nneɛma a ɛyɛ den te sɛ ceramic anaa boron carbide ayɛ no nkwa nna a ɛware sen nea wɔde tungsten carbide a ɛyɛ mmerɛw ayɛ no.
(4) Ahobammɔ ne nneɛma a atwa yɛn ho ahyia ho banbɔ .
Adwumayɛfo ahobammɔ .
Ɛsɛ sɛ wɔn a wɔyɛ adwuma no hyɛ ntade a wɔde bɔ ho ban a wɔagye atom (a wɔde mframa a wɔde ma wɔ abɔnten so dade kyɛw), a emu yɛ duru-akwansin ne mpaboa a wɔde bɔ wɔn ho ban.
Hwɛ sɛ mframa a wɔde ma wɔ suit a ɛbɔ ho ban no ho no ho tew, ɛyɛ kusuu na ɛyɛ nea wɔahyɛ no den sɛnea ɛsɛ.
Nneɛma a atwa yɛn ho ahyia ho nhyehyɛe .
Kura nhyɛso bɔne kakra mu wɔ dan a anhwea no ayɛ mu ma no mu na amma mfutuma anguan.
Sɛ woresiesie aluminum alloy ne magnesium alloy afã horow a, ɛsɛ sɛ nneɛma a wɔde di dwuma no yɛ nea ɛpae-adanse.
Fa ahobanbɔ mmeae a emu da hɔ ne mmeae a wɔyɛ adwuma no si hɔ, na wɔabara adwumayɛfo a wɔnyɛ adwuma no denneennen sɛ wɔnnkɔ mu.
Nneɛma a wɔsɛe no .
Ɛsɛ sɛ wɔfa mfutuma ne nwura a wɔaboaboa ano no sɛ mfiridwuma mu nwura a ɛyɛ den na wɔtow gu sɛnea ɛne mpɔtam hɔ nneɛma a atwa yɛn ho ahyia ho banbɔ ho mmara hyia, titiriw bere a dade a emu yɛ duru anaa nneɛma dedaw a wɔde yɛ mfonini wom no.
Tɔfabɔ
Yebetumi aka adan akɛse-scale dan akɛse a wɔde di dwuma yiye no ho asɛm tiawa sɛ:
Pre-Nhyehyɛe: Nteaseɛ a ɛwɔ nhyehyɛeɛ ne paw a wɔpaw abrasive.
Adeyɛ a Wɔde Di Dwuma: Ma mframa nhyɛso no nnyina, ɛhwɛ sɛnea nsu no sen, ɛyɛ adwuma pɛpɛɛpɛ, na ɛyɛ ntotoho mpɛn pii.
Nsiesie ne ahotoso: mfutuma ho banbɔ, nneɛma a wɔde di dwuma bio ho bɔhyɛ, ne nneɛma a wɔde sesa nneɛma a ɛho ayɛ fĩ-afã horow a ɛko tia.
Ahobanbɔ ase: Ahobammɔ a emu yɛ den, nhyɛso a enye a ɛbɛkɔ so atra hɔ, ne nwura a wɔtow gu yiye.
Ɛdenam nnyinasosɛm ne akwan horow yi a wobedi akyi so no, ɛnyɛ sɛ wobetumi ama anhwea a wɔde bɔ ne nneɛma a wɔyɛ no yiye no ayɛ papa kɛse nko, na mmom wobetumi atew nneɛma a wɔde twitwiw nneɛma ne nnwinnade a wɔde siesie nneɛma so nso so, na wɔahwɛ ahu sɛ ahobammɔ ne nneɛma a atwa yɛn ho ahyia no wɔ adamfofa su.
