Simbi chimiro chekuputira moto chakakamurwa kuita zvikamu zvipi

1. Fireproof coating kuvaka nzira

A. Nzira yekukwenya B. Roller coating method C. Nzira yekukwesha D. Air compressor spraying nzira E. Airless spraying method

1, nzira yekutanga yekuvaka ndiyo nzira yakajairika yekutsvaira: inowanzoshandiswa senge fiberglass scraper, horn scraper, plastiki scraper, hard rubber sheet uye mamwe simbi kana asiri-metallic hand scraping maturusi, ichava pamusoro pechinhu chakasiyana. gobvu slurry yekuvharisa moto kana mitswe uye imwe yakawandisa chikamu chekukwesha.

2, nzira yechipiri yekuvaka ndeye roller coating method: roller coating method inowanzo shandiswa pakuvaka madziro, mu roller pamusoro pependi yependi, wozokunguruka nekudzoka pamadziro.

3, nzira yechitatu yekuvaka ibhurashi yekuputira nzira: nzira yekuputira bhurashi haingoshande pakuvaka madziro, chero imwe chimiro chepamusoro pechinhu chinogona kushanda, ruzhinji rwemachira ekudzivirira moto anogona kugadzirwa nenzira iyi.

4, nzira yechina yekuvaka ndiyo mhepo compressor yekupfapfaidza nzira: kushandiswa kwemhepo compressor pressurisation nepfuti yekupfapfaidza ichapfapfaidzwa pamusoro pechinhu mushure meatomisation yepende, kunaka kwekuputira mushure mekupfapfaidza kwakafanana, kugona kwekugadzira. yakakwirira kwazvo. 5, yechina yekuvaka nzira ndeyekupfapfaidza kusina mweya: kushandiswa kwepombi dzeplunger, diaphragm pombi uye mamwe maitiro epombi anomanikidzwa achamanikidzwa nependi yemvura, uye ipapo kuburikidza ne-high-pressure hose kune airless spray pfuti, uye pakupedzisira mukati. iyo isina mhepo muromo yekuburitsa iyo hydraulic pressure, instantaneous atomisation, uyezve iyo moto yekudzivirira coating inogona kushandiswa nenzira iyi. Hydraulic pressure, instantaneous atomisation inopfapfaidzwa pamusoro pechinhu chakaputirwa kuti chiite chifukidzo.

Simbi chimiro chimiro chakagadzirwa nesimbi uye ndeimwe yemhando huru yezvivakwa zvekuvaka. Chimiro chacho chinonyanya kuumbwa nematanda, mbiru dzesimbi, simbi dzesimbi uye zvimwe zvinhu zvakagadzirwa nesimbi profiles uye simbi mahwendefa, nezvimwewo, uye inotora kubvisa ngura uye antirust maitiro senge silanisation, yakachena manganese phosphating, kugeza nekuomesa, uye galvanisation. Welds, mabhoti kana rivets anowanzoshandiswa kubatanidza zvikamu kana zvikamu. Nekuda kwehuremu hwayo huremu uye kuvakwa kuri nyore, inoshandiswa zvakanyanya mumafekitori akakura, manhandare, super-high-rise nemimwe minda.

(1) Inogona kupatsanurwa kuita solvent-based simbi chimiro chekudzivirira moto uye mvura-yakavakirwa simbi chimiro chekudzivirira moto chivharo zvinoenderana nerudzi rwebinder. Solvent-based simbi chimiro chekudzivirira moto inogona kupatsanurwa kuita solvent-based simbi chimiro chekudzivirira moto chine yakaderera benzene content uye solvent-based simbi chimiro chisingapindire moto chine yakakwira benzene content.

(2) Zvinoenderana nenzvimbo yekushandiswa, inogona kukamurwa kuita: mukati (N) simbi chimiro chekudzivirira moto coating: inoshandiswa pamusoro pesimbi chimiro chemukati kana yakavanzika mapurojekiti ezvivakwa; kunze (W) simbi chimiro chekuvhara moto: inoshandiswa pamusoro pesimbi chimiro chekunze kana kuvhurika-mhepo mapurojekiti ezvivakwa.

(3) Zvinoenderana nehupamhi hwekushandisa, inogona kukamurwa kuita: Ultra-yakaonda mhando (CB) simbi chimiro chekudzivirira moto coating: coating ukobvu ≤3mm; rudzi rwakaonda (B) simbi yakagadzirwa nemoto inoputira: kupfeka ukobvu hwe3mm-7mm; gobvu mhando (H) simbi chimiro chemoto coating: layer ukobvu hwe8-50mm.

Mashoko Akawedzerwa

Nekuvandudzwa kwechiyero chemaguta eChina, kushandiswa kwesimbi chimiro muindasitiri yekuvaka yeChina kune tarisiro yakafara kwazvo. Zvisinei, sezvo simbi yakagadzirwa pachayo isingabatiki, nyaya yekudzivirira moto uye kupisa kwekudzivirira kwekugadzirwa kwesimbi kwakamboregeredzwa. Zvinoenderana nemishumo yedata remumba neyepasirese uye bvunzo uye nhamba kubva kumasangano akakodzera, kupikisa kwemoto kwezvivakwa zvesimbi kwakashata kupfuura iyo yemasonry uye yakasimbiswa kongiri zvivakwa.

Iyo mechanical simba resimbi inoderera nekuwedzera kwekushisa, uye simba rayo rinodzikira kusvika 40% -50% paanenge 500 ℃, uye michina yesimbi, yakadai segoho, simba rekumanikidza, modulus ye elasticity, uye simba rekutakura, nezvimwewo, inoderera nokukurumidza, uye nokukurumidza inorasikirwa nekukwanisa kutsigira chivako, zvichiita kuti chivako chiputse. Nokudaro, zvakakosha kuchengetedza chimiro chesimbi.

Simbi chimiro chekuputira moto chinoputirwa kana kupfapfaidzwa pamusoro pechimiro chesimbi, icho chinotamba basa rekudzivirira moto uye kupisa kupisa, chinodzivirira simbi kubva nekukurumidza kupisa uye kuderedza simba rayo mumoto, uye inodzivirira iyo simbi chimiro kubva kurasikirwa nekukwanisa kwayo kutsigira uye. zvichikonzera kuputsika kwechivako.

Kare muma1970s, tsvakiridzo yekune dzimwe nyika uye kushandiswa kwesimbi chimiro chekuvhara moto kwakatanga basa rinoshanda uye kuita zvakanaka, uye ichiri kukwira.

Mukutanga 80s, yekune dzimwe nyika simbi chimiro chekuvhara moto chakapinda mumusika weChina uye chakaiswa muchirongwa. Kubva kumavambo ekuma80, China yakatangawo kugadzira simbi yesimbi inosunga moto, kusvika parizvino kune akawanda akanaka marudzi anoshandiswa zvakanyanya mumaindasitiri akasiyana.

2.Thin-mhando yesimbi yakagadzirwa nemoto inoputira

Yakaonda mhando yesimbi chimiro chekudzivirira moto inoreva iyo simbi dhizaini yekuputira nemoto ukobvu hwakakura kupfuura 3mm, isingasviki kana kuenzana ne7mm, ine imwe yekushongedza mhedzisiro, kuwedzera uye kukora pakupisa kwepamusoro, uye muganho wekudzivirira moto mukati me2h. Iri rudzi rwesimbi chimiro chekuvhara moto chinowanzo kugadzirwa nemvura-yakavakirwa mapolymers sechinhu chigadziko, uyezve inofananidzwa nemoto inodzoreredza composite system, yekuwedzera moto, fibre dzinodzivirira moto, nezvimwewo, uye nheyo yayo yekudzivirira moto yakafanana neiyo. yemhando yakaonda zvakanyanya. Kune rudzi urwu rwekuvhara moto, iyo yakasarudzwa yemvura-based polymer inofanirwa kuve nekunamatira kwakanaka, kusimba uye kushorwa kwemvura kune substrate yesimbi. Chimiro chayo chekushongedza chiri nani pane gobvu rekudzivirira moto, yakaderera kune yekupedzisira-yakaonda simbi chimiro chekudzivirira moto, uye iyo yakajairika yekumisa moto muganho uri mukati me2h. Naizvozvo, inowanzoshandiswa mune simbi chimiro chekudzivirira moto purojekiti ine moto wekudzivirira muganho isingasviki 2h, uye kazhinji inotora kupfapfaidza kuvaka. Inotora chikamu chikuru munguva yenguva, asi nekuonekwa kwe-ultra-thin simbi chimiro chekudzivirira moto, chikamu chayo chemusika chinotsiviwa zvishoma nezvishoma.

3.Thick simbi chimiro fireproof coating

Simbi yakakora chimiro chekuvhara moto inoreva chimiro chesimbi chinodzivirira moto chifukidziro chine ukobvu hwekuputira hukuru kupfuura 7mm, isingasviki kana kuenzana ne45mm, granular pamusoro, yakaderera density, yakaderera thermal conductivity, uye muganho usingadziviriri moto weanopfuura 2h. Sezvo zvikamu zvehuputi hwemoto usingapindire zvakanyanya zvinhu zvisiri zvemukati, kuita kwayo kusapisa moto kwakagadzikana uye kushandiswa kwenguva refu kuri nani, asi zvidimbu zvezvikamu zvayo zvekupfekedza zvakakura uye kutaridzika kwejasi hakuna kuenzana, izvo zvinokanganisa iyo yakazara aesthetics. chivakwa, saka chinoshandiswa zvakanyanya kumapurojekiti ekuvanza. Iri rudzi rwekuputira moto mumoto uchishandisa zvinhu granular pamusoro, kushoma density, yakaderera thermal conductivity kana kupisa kunyudzwa kwezvinhu zviri mujira, kunonoka kukwira kwekushisa kwesimbi kuchengetedza simbi. Rudzi urwu rwekuputira nemoto inokodzera inorganic binder (senge girazi remvura, silica sol, aluminium phosphate, refractory simende, nezvimwewo), uyezve ine inorganic lightweight adiabatic aggregate zvinhu (senge yakawedzera perlite, yakawedzera vermiculite, gungwa hugger, yakasvibiswa. mabhedha, madota anobhururuka, nezvimwewo), zvinowedzerwa nemoto, makemikari uye zvinosimbisa zvinhu (zvakadai sealuminium silicate fibres, rock wool, ceramic fibres, glass fibers, etc.) uye mafirita, nezvimwewo, zvakasanganiswa uye zvakagadzirirwa, zvine mutengo unodhura. zvakanakira mutengo wakaderera. Kuvakwa kunowanzoita kupfapfaidza, iyo inokodzera mukati uye kunze yakavanzwa simbi chimiro nemoto wekudzivirira muganho pamusoro pe2h, yakakwirira-yakakwira-yese-simbi chimiro uye yakawanda-storey chirimwa simbi chimiro. Semuyenzaniso, muganhu wekudzivirira moto wemakoramu ezvivakwa zvepamusoro-soro zvevagari venzvimbo uye makoramu anotsigira akawanda-storey muhuwandu hwemaindasitiri uye zvivakwa zvevagari anofanirwa kusvika 3h, uye inoda kuchengetedzwa nehukobvu hwemoto. kune simbi yakagadzirwa nemoto inoputira nekuvhara kwehupamhi hwe3mm (kusanganisira 3mm) kana zvishoma, ine yakanaka yekushongedza mhedzisiro, ichiwedzera uye ichipupa pamhepo tembiricha, uye nemoto-kudzivirira muganho we2h kana pasi. Rudzi urwu rwesimbi yekumisikidza inoputira moto kazhinji inonyungudutsa-yakavakirwa sisitimu, ine simba rekunamira repamusoro, kumira kwemamiriro ekunze kwakanaka uye kuramba kwemvura, kuenzana kwakanaka, maitiro akanaka ekushongedza; kana iri pasi pemoto, inowedzera zvishoma nezvishoma uye inoputika kuti iite dense uye yakaoma moto inodzivirira kupisa kwekushisa, iyo ine simba rakasimba rekudzivirira moto, inoderedza kukwira kwekushisa kwesimbi, uye inodzivirira zvikamu zvesimbi zvinobudirira. Iko kuvakwa kweyekupedzisira-yakaonda intumescent simbi chimiro chekuputira moto chinogona kupfapfaidzwa, brushed kana roller coated, inowanzo shandiswa mune inodzivirira moto inomisa zvinodiwa mukati me2h pane yekuvaka simbi chimiro. Kune mhando nyowani dzeakanyanya-mutete simbi dhizaini mabhanhire asingapindire moto ane moto usingadziviriri kuita unosvika kana kupfuura 2h, ayo anonyanya kubva payakakosha chimiro chepolymethacrylate kana epoxy resin uye amino resin, chlorinated paraffin wax, nezvimwewo se base base material binder, ine yakakwira polyphosphoric acid ammonium munyu, dipentaerythritol, melamine uye zvichingodaro seyekudzivirira moto uye inodzoreredza moto, ichiwedzera titanium dioxide, wollastonite uye zvimwe inorganic refractory zvinhu ku200# zvinonyungudutsa mafuta semusanganiswa wezvinonyungudutsa. Mafuta anonyungudutsa anoshandiswa seanonyungudutsa. Mhando dzese dzesimbi dzakareruka chimiro, mambure furemu uye zvichingodaro zvakanyanya kushandisa rudzi urwu rwekuvhara moto kudzivirira moto. Nekuda kweiyo ultra-thin coating yemhando iyi yekuputira nemoto, kushandiswa kwesimbi yakakora uye yakaonda simbi inodzivirira moto inodzikiswa zvakanyanya, nekudaro ichidzikisa mutengo wakazara wepurojekiti, asiwo kuita kuti chimiro chesimbi chiwane kuchengetedzwa kwemoto kunoshanda, uye iyo inodzivirira moto yakanaka kwazvo.