I. Txheej txheem cej luam

Raws li cov txheej txheem kev tsim vaj tsev ua tau zoo, cov tshuab ziab khaub ncaws sib xyaw ua ke tuav txoj haujlwm tseem ceeb hauv kev tsim kho vaj tsev, nrog rau cov tshuab ziab khaub ncaws qhuav ua cov cuab yeej tseem ceeb rau kev siv cov thev naus laus zis no. Nyob rau hauv xyoo tas los no, tau tsav los ntawm kev nce qib txuas ntxiv ntawm kev tsim kho vaj tse xws li kev tshem tawm cov pob zeb hauv av, kev thauj mus los hauv qhov av, thiab kev tiv thaiv txoj kab nqes, kev lag luam xav tau rau cov tshuab ziab khaub ncaws qhuav tau nce tsis tu ncua. Nrog nws cov kev ua haujlwm tshwj xeeb thiab kev ua tau zoo dua, cov cuab yeej no ua kom muaj txiaj ntsig zoo ntawm kev tsim kho, ua kom cov haujlwm zoo, thiab muab kev txhawb nqa zoo rau kev ua vaj tse hauv ntau yam kev ua haujlwm nyuaj.

II. Cov txheej txheem qhuav ntawm txhaj tshuaj yog dab tsi?

Cov txheej txheem qhuav-txhaj tshuaj ua vaj tse, luv luv raws li cov txheej txheem qhuav-txhaj tshuaj, koom nrog kev sib xyaw ua ke ntawm cov khoom qhuav-xws li cov cement thiab aggregates-hauv qhov kev txiav txim siab ua ntej. Cov ntaub ntawv no raug xa mus los ntawm kev xa mus rau lub tshuab nqus dej twj tso kua mis, qhov chaw uas lawv tam sim ntawd tov nrog cov dej siab siab los ua cov pob zeb slurry. Thaum kawg, compressed cua propels lub slurry ntawm siab tshaj tawm mus rau qhov chaw ua hauj lwm, qhov twg nws teev thiab hardens.
Cov txheej txheem qhuav-txhaj tshuaj muaj ob yam tseem ceeb: Ua ntej, nws muaj qhov sib piv ntawm cov dej-cement tsawg. Txij li cov dej thiab cov ntaub ntawv qhuav yog sib xyaw ntawm lub nozzle nkaus xwb, cov dej ntxiv tuaj yeem tswj tau qhov tseeb, ua rau muaj zog siab, ntom pob zeb tom qab teeb tsa. Qhov thib ob, nws muaj kev teeb tsa ceev ceev. Thaum ua ke nrog cov accelerators, cov pob zeb ua tiav thawj lub zog hauv lub sijhawm luv luv, ua kom muaj kev txhawb nqa nrawm - ua rau nws tsim nyog rau cov haujlwm uas yuav tsum tau muaj kev txhawb nqa sai. Piv nrog rau kev txau ntub dej, cov tshuaj tsuag qhuav tshem tawm qhov xav tau ntawm cov pob zeb ua ntej sib xyaw slurry. Nws qhuav shotcrete spraying tshuab yog ntau compact thiab mobile, nrog qis noo noo cov ntsiab lus ntawm raw cov ntaub ntawv. Qhov no ua rau nws zoo tagnrho rau cov dej-tsis tshua muaj, tej thaj chaw deb, lossis kev tsim kho ib puag ncig. Txawm li cas los xij, nws tsim cov plua plav tawm ntau dua thaum lub sijhawm ua haujlwm, yuav tsum muaj kev tiv thaiv nruj dua rau ob qho chaw ua haujlwm thiab cov neeg ua haujlwm.

III. Dab tsi yog lub tshuab ziab khaub ncaws qhuav?

Lub tshuab ziab khaub ncaws qhuav yog cov cuab yeej siv tseem ceeb rau kev ua tiav cov txheej txheem qhuav-sib xyaw. Nws mechanically los yog pneumatically conveys qhuav-siv mortar rau lub nozzle, combining nws nrog high-pressure dej thiab compressed cua kom ua tiav cov pob zeb txau ua haujlwm. Nws yog dav siv nyob rau hauv kev txhawb nqa, hauv ob sab phlu, thiab kev txhim kho kev tsim kho thoob plaws ntau yam haujlwm engineering.

IV. Dab tsi yog kev siv lub tshuab txhaj tshuaj?

Nrog lawv cov kev ua haujlwm yooj yim thiab txhim khu kev qha,dry shotcrete spraying tshuabyog siv dav hauv kev tsim kho qhov av, kev tsim vaj tsev hauv vaj tse, kev txuag dej, thiab kev kho thaum muaj xwm txheej ceev. Cov ntawv thov tshwj xeeb suav nrog:
1. Kev tsim kho qhov av: Cov khoom siv tseem ceeb rau kev txhawb nqa thawj zaug thiab cov txheej txheem thib ob hauv txoj kev loj, kev tsheb ciav hlau, thiab kev tsheb ciav hlau hauv nroog loj. Tom qab kev khawb hauv qhov av, lub tshuab txau cov pob zeb rau ntawm cov pob zeb nyob ib puag ncig los tsim cov txheej txheem kev txhawb nqa thawj zaug, muaj txiaj ntsig zoo rau cov pob zeb deformation. Tom qab kev txhawb nqa thawj zaug tiav, nws tseem tuaj yeem ua cov txheej txheem thib ob hauv ob sab phlu kom ntxiv dag zog rau lub qhov av qhov ruaj khov thiab ua haujlwm ntev. Tshwj xeeb tshaj yog haum rau cov chaw kaw zoo li qhov tunnels, nws muaj kev ua haujlwm siab thiab yoog mus rau qhov sib txawv ntawm qhov sib txawv ntawm qhov sib txawv.
2. Civil Engineering: Dav siv nyob rau hauv txoj kab nqes stabilization, excavation shoring, thiab structural reinforcement. Rau thaj chaw uas muaj av qeeg xws li roob slopes thiab txoj kev embankments, sprayed pob zeb ua ib txheej ntxiv los txhim kho txoj kab nqes. Thaum lub sij hawm tsim lub hauv paus excavation, qhuav-mix shotcrete machines txhawb lub qhov phab ntsa kom tsis txhob muaj kev sib tsoo. Nws kuj tseem txhawb cov qauv kev laus los ntawm kev txau cov pob zeb rau hauv cov khoom siv los txhim kho cov kabmob muaj peev xwm thiab kav ntev.
3. Hydraulic Engineering: Feem ntau yog siv rau kev kho lub pas dej ua ke, culvert reinforcement, thiab channel hauv ob sab phlu. Rau cov dams uas muaj cov kab nrib pleb los yog cov dej ntws tawm, cov tshuaj tua hluav taws tau kho thiab ntxiv dag zog los txhim kho impermeability thiab yaig tsis kam. Hauv kev kho cov culverts, aqueducts, thiab lwm cov qauv hydraulic, cov tshuab ziab khaub ncaws qhuav tau ua tiav cov haujlwm txau sai sai, ua kom muaj kev ua haujlwm zoo. Tsis tas li ntawd, nws yog siv rau kev tsim kho channel hauv ob sab phlu los txo qhov poob dej thaum lub sij hawm xa dej.
4. Daim Ntawv Thov Kho Thaum Muaj Xwm Ceev: Cov tshuab ziab khaub ncaws qhuav no ua lub luag haujlwm tseem ceeb hauv kev kho thaum muaj xwm txheej ceev ntawm qhov chaw puas tsuaj xws li av qeeg, av qeeg, thiab kev sib tsoo. Rau cov vaj tse tawg, txoj kev, txuas hniav, thiab lwm yam kev tsim, cov tshuab ziab khaub ncaws qhuav ua kom cov pob zeb ua kom nrawm nrawm rau kev txhawb nqa ib ntus, tiv thaiv kev puas tsuaj ntxiv. Tom qab muaj kev puas tsuaj los ntawm dej nyab, nws ua kom nrawm nrawm nrawm rau embankment thiab kho txoj kev, expediting the restoration of infrastructure functionality and accessibility.

V. Cov txiaj ntsig tseem ceeb & qhov zoo ntawm cov tshuab ziab khaub ncaws qhuav

Kev siv dav dav ntawm cov pob zeb qhuav-sib xyaw ua ke thoob plaws ntau thaj chaw engineering stems los ntawm lawv cov txiaj ntsig tseem ceeb, tshwj xeeb:
1. Kev tsim kho siab:Qhuav-sib tov qhob sprayersua tiav cov ntawv thov ceev ceev, feem ntau ncav cuag 5-20 cubic meters ib teev, ua tau raws li qhov xav tau ntawm cov phiaj xwm loj, lub sijhawm ua haujlwm. Tsis tas li ntawd, cov cuab yeej tshem tawm qhov xav tau rau kev sib xyaw ua ke ua ntej slurry, hla kev sib xyaw ua ke thiab kev thauj mus los kom txo qis kev tsim kho thiab txhim kho tag nrho cov txiaj ntsig. Piv txwv li, nyob rau hauv thawj qhov kev txhawb nqa kev tsim kho, qhuav-sib xyaw ua vaj tse sprayers pab ua haujlwm tas li, txo qis kev txhawb nqa lub sijhawm.
2. Cov Khoom Siv Tau Zoo Tshaj Plaws: Cov cuab yeej no tau sib xws nrog ntau yam sib xyaw qhuav mortars thiab muaj cov kev cai hloov tau yooj yim rau cov khoom sib xyaw ua ke thiab muab qhab nia. Cov qib cement sib txawv thiab cov hom sib xyaw ua ke (xws li dej xuab zeb, pob zeb crushed, tsim cov xuab zeb) tuaj yeem xaiv raws li qhov project xav tau. Tsis tas li ntawd, cov khoom sib xyaw xws li accelerators thiab dej reducers tuaj yeem raug ntxiv raws li qhov yuav tsum tau ua kom zoo dua qhov kev ua tau zoo, ua rau nws tsim nyog rau ntau yam xwm txheej.
3. Strong Environmental Adaptability: Dry shotcrete spraying machines qhia tau zoo heev tiv thaiv qhov chaw hnyav, tswj kev ua haujlwm ruaj khov nyob rau hauv cov xwm txheej nyuaj xws li qhov siab siab, tsis tshua muaj kub, arid tej yam kev mob, thiab siab plua plav. Piv txwv li, thaum lub sij hawm txoj kev loj tunnel tsim nyob rau hauv high-altitude cheeb tsam, cov cuab yeej muaj peev xwm pib thiab ua hauj lwm ib txwm tsis muaj kev cuam tshuam los ntawm low atmospheric siab los yog low-oxygen ib puag ncig. Nyob rau hauv qhov kub thiab txias, thaum siv nrog cov tshuaj tiv thaiv khov, nws tseem ua kom cov pob zeb txau zoo thiab teeb tsa lub zog, ua rau nws tsim nyog rau kev tsim kho hauv thaj chaw deb thiab thaj chaw nyuaj.
4. Compact Structure and Excellence Movement: Dry shotcrete spraying machines feature a compact design with me hneev taw thiab lub teeb yuag, yooj yim rau kev thauj mus los thiab kev txav chaw. Rau kev tsim kho nyob rau hauv qhov chaw kaw xws li tunnels thiab mine shafts, cov cuab yeej tuaj yeem hloov kho nws txoj haujlwm ua haujlwm kom paub meej txog kev pabcuam yam tsis muaj qhov muag tsis pom. Tsis tas li ntawd, qee cov qauv portable txhawb nqa tsheb thauj mus los lossis kev thauj mus los, ua rau lawv tsim nyog rau cov haujlwm nrog cov chaw ua haujlwm tawg thiab ntau lub ntsiab lus ua haujlwm.
5. Nqi-Efficiency thiab Controllable Expenses: Cov txheej txheem qhuav-sib tov precisely tswj cov dej-cement ratios thiab cov ntaub ntawv siv, txo cov pob zeb pov tseg thiab maximize cov khoom siv. Cov cuab yeej siv cov qauv yooj yim thiab cov khoom sib hloov tau yooj yim rau kev saib xyuas nrog tus nqi qis. Tsis tas li ntawd, nws qhov kev ua haujlwm qis qis yuav tsum tsis muaj cov neeg ua haujlwm siab tshwj xeeb, txo cov nqi zog thiab xa cov txiaj ntsig tseem ceeb ntawm kev lag luam.
6. Lub zog muaj zog ntawm cov pob zeb txau: Cov txheej txheem qhuav-sib xyaw siv cov dej-cement piv qis. Nyob rau hauv kev cuam tshuam ntawm high-velocity airflow, lub pob zeb slurry adheres nruj nreem rau qhov chaw ua hauj lwm. Cov txheej txheem ua vaj huam sib luag nthuav tawm cov ntawv cog lus siab nrog lub pob zeb nyob ib puag ncig lossis txheej txheej, zoo heev compaction, thiab kev thauj mus los zoo. Qhov no txhim khu kev ruaj ntseg thiab kev cia siab ntawm kev txhawb nqa lossis hauv ob sab phlu. Tsis tas li ntawd, qhov qis dej-cement piv ua rau muaj zog compressive thiab dej tsis kam rau cov pob zeb, yog li txuas ntxiv kev pab cuam lub neej ntawm cov qauv.

VI. Hom ntawmdry shotcrete spraying tshuab

Classification Dimension	Hom tshwj xeeb	Cov yam ntxwv tseem ceeb	Daim ntawv thov Scenario
Los ntawm Hom Fais Fab	Fais Tsav	Cov nqi khiav lag luam qis, kev ua haujlwm yooj yim, pib yooj yim thiab nres, tswj tau yooj yim; compact qauv, me me, yooj yim rau kev khiav lag luam hauv qhov chaw nqaim; tsis muaj pa emissions, environmentally friendly.	Siv dav hauv mines, tunnels, culverts, subways, hydropower project, thiab lwm yam.
	Pneumatic Tsav	Tsis muaj hluav taws xob xav tau, tsim nyog rau cov chaw ua haujlwm nyob deb tsis muaj hluav taws xob lossis tsis siv hluav taws xob nkag; yooj yim thiab txhim khu kev qha qauv, tsis yooj yim puas.	Haum rau kev ua haujlwm me me xws li kev tsim pas dej da dej, kev tsim kho qhov av, thiab kev ruaj ntseg ntawm txoj kab nqes, tshwj xeeb tshaj yog muaj feem xyuam rau thaj chaw deb.
	Diesel Cav	Lub zog muaj zog tso zis, muaj peev xwm ua tau raws li qhov xav tau ntawm lub zog loj ntawm cov khoom siv loj; kev txav mus los siab, tsis muaj kev vam khom rau cov khoom siv hluav taws xob ruaj khov, tuaj yeem hloov pauv mus rau qhov chaw ua haujlwm sib txawv.	Tsim nyog rau tej yaam num sab nraum zoov xws li cov tunnels loj, kev tiv thaiv txoj kab nqes, kev txuag dej, thiab thaj chaw uas tsis muaj zog lossis tsis muaj hluav taws xob.
Los ntawm Kev Tsim Nyog Muaj Peev Xwm (Tshaj Tawm Volume)	3-5m3/h	Cov zis ntim me me, compact loj, ua haujlwm yooj yim.	Tej yaam num me me, kev tu txhua hnub.
	5-10m3/h	Muaj peev xwm ntau lawm, haum rau feem ntau cov pa engineering xav tau.	General kev tsim kho tej yaam num, kev loj tunnel kev tsim kho.
	> 10m3/h	Loj tso zis ntim, muaj zog nruam ua hauj lwm muaj peev xwm, hnyav-duty configuration.	Cov dej num loj loj, kev tsim kho vaj tse loj.

VII. Qhuav shotcrete spraying tshuab spare qhov chaw

Cov khoom seem rau cov tshuab ziab khaub ncaws qhuav yog qhov tseem ceeb rau kev ua haujlwm zoo thiab ua kom cov cuab yeej siv tau ntev. Cov khoom tseem ceeb feem ntau suav nrog cov pawg hauv qab no, nrog rau kev xav tau ntawm kev saib xyuas kev tshawb fawb:
1. Nozzles: Raws li lub davhlau ya nyob twg tivthaiv rau pob zeb slurry txhaj tshuaj, nozzles ncaj qha mus cuag high-ceev pob zeb slurry thiab aggregates, ua rau lawv yog ib qho ntawm cov khoom siv ceev ceev tshaj plaws. Feem ntau ua los ntawm cov alloys hnav-resistant los yog polyurethane, lawv cov qauv tsim ncaj qha cuam tshuam rau kev sib xyaw ua ke ntawm kev sib xyaw ua haujlwm thiab kev siv tshuaj tsuag. Hnav, deformation, los yog blockage nyob rau hauv nozzles ua rau tsis sib xws tshuaj tsuag thiab txo siab, cuam tshuam kev tsim kho zoo. Yog li ntawd, nozzles yog qhov tseem ceeb spare qhov chaw. Nws raug nquahu kom khaws cov khoom kom txaus raws li kev tsim kho ntim, feem ntau hloov cov nozzles txhua 500-1000 cubic meters ntawm cov pob zeb txau.
2. Wear-Resistant Tubing: Siv rau kev xa cov mortar qhuav thiab pob zeb slurry, nws cov phab ntsa sab hauv tiv taus kev sib txhuam ntev thiab cuam tshuam los ntawm cov ntaub ntawv, ua rau hnav, thinning, los yog rupture. Qhov no ua rau cov khoom xau thiab siab poob thaum lub sijhawm thauj khoom. Wear-resistant tubing feem ntau yog ua los ntawm cov roj hmab resistant los yog polyurethane, nrog rau kev xaiv cov khoom raws li kev thauj mus los thiab cov khoom siv. Tsis tu ncua tshuaj xyuas cov kav dej hnav-resistant rau kev puas tsuaj. Hloov lawv tam sim ntawd thaum phab ntsa thickness txo los ntawm ntau tshaj 30% los yog leaks tshwm sim los tiv thaiv kom txhob txo conveying efficiency.
3. Sealing Rings: Feem ntau yog siv los ntawm cov khoom siv sib txuas (xws li, cov hoppers cia rau cov tshuab xa khoom, cov khoom siv yeeb nkab, cov cua compressor interfaces) los kaw cov pa tawm thiab cov khoom tawm. Lub nplhaib foob feem ntau yog ua los ntawm roj hmab lossis silicone. Kev siv ntev ntev tuaj yeem ua rau kev laus, deformation, lossis tawg, ua rau lub foob tsis ua haujlwm. Yog li ntawd, lub nplhaib foob yog cov khoom seem uas yuav tsum tau kuaj xyuas thiab hloov pauv. Thaum lub sij hawm tu cov cuab yeej siv, xyuas kom meej qhov xwm txheej ntawm tag nrho cov foob rings.
4. Cua Valve: Siv los tswj cov cua compressed thiab kev tswj siab, qhov no yog ib qho tseem ceeb ntawm kev tswj cov khoom hauv pneumatic qhuav-mix shotcrete tshuab. Lub valve tseem ceeb thiab lub rooj zaum muaj kev cuam tshuam ntev los ntawm cov huab cua siab thiab hnav los ntawm impurities, ua rau lawv yooj yim rau lo, xau, thiab lwm yam teeb meem uas cuam tshuam rau lub siab ruaj khov. Kev tu thiab lubrication ntawm huab cua valve raug pom zoo, nrog rau kev tshuaj xyuas cov tub ntxhais valve thiab lub rooj zaum hnav. Hloov tam sim ntawd thaum muaj teeb meem tshwm sim.
5. Filter Screen: Muab tso rau ntawm qhov chaw pub khoom ntawm lub hopper cia, nws lim cov khoom loj thiab cov clumps los ntawm cov khoom sib xyaw qhuav kom tsis txhob txhaws ntawm cov khoom siv thiab cov nozzles. Kev siv ntev ua rau lub vijtsam ua rau txhaws nrog impurities, txo tus nqi pub. Nws yuav tsum tau ua ntu zus thiab ntxuav. Yog tias lub vijtsam puas lawm, hloov nws tam sim ntawd kom tsis txhob muaj impurities nkag mus rau hauv cov khoom siv thiab ua rau lub cev tsis zoo.

VIII. Dry shotcrete spraying tshuab nqe

Tus nqi ntawm cov tshuab ziab khaub ncaws qhuav yog cuam tshuam los ntawm ntau yam, nrog rau kev hloov pauv tseem ceeb ntawm ntau hom thiab teeb tsa. Lub tshuab txau hom thiab cov peev txheej tso tawm yog qhov tseem ceeb tshaj plaws cuam tshuam rau tus nqi. Portable qhuav-mix qhob sprayers, tus cwj pwm los ntawm qhov loj me thiab cov zis qis (qis dua 5 cubic meters ib teev), yog tus nqi pheej yig. Conversely, loj-scale qhuav shotcrete spraying tshuab feature siab tso zis (tshaj 10 cubic meters ib teev) thiab complex qauv, ua rau cov nqi ntau dua. Piv txwv li, peb cov tshuab ziab khaub ncaws me me feem ntau yog $ 3,000 txog $ 7,000 USD, thaum cov qauv loj tuaj yeem raug nqi ntawm $ 8,000 thiab $ 28,000 USD.

IX. Cov lus nug nquag nug (FAQs) txog cov tshuab ziab khaub ncaws qhuav

Hauv qab no yog cov lus nug uas cov neeg siv ntsib thaum xaiv thiab ua haujlwmdry shotcrete spraying tshuab, nrog rau cov lus teb ntxaws:
1. Dab tsi yog qhov sib txawv ntawm cov tshuab ziab khaub ncaws thiab ntub-sib xyaw ua ke? Teb: Qhov tseem ceeb ntawm qhov sib txawv yog nyob rau hauv kev npaj cov khoom siv thiab kev xa khoom. Dry-mix shotcrete machines thauj cov khib nyiab qhuav, uas yog tov nrog dej ntawm lub nozzle; wet-mix shotcrete machines xa pre-mixed pob zeb slurry rau kev txau ncaj qha. Nyob rau hauv cov nqe lus ntawm kev ua tau zoo, qhuav-mix shotcrete cov cav tov yog compact, heev mobile, thiab nqi-zoo, ua rau lawv haum rau confined qhov chaw thiab me me mus rau nruab nrab tej yaam num. Txawm li cas los xij, lawv tsim cov plua plav tawm ntau dua thiab tuaj yeem pom me ntsis tsis sib xws ntawm cov pob zeb zoo. Wet-mix shotcrete machines feature low plua plav emissions, zoo ib yam ua vaj tse zoo, thiab muaj zog dua, ua rau lawv zoo tagnrho rau loj-scale, high-standard tej yaam num. Txawm li cas los xij, lawv yog cov bulkier, kim dua, thiab xav tau kev tswj hwm nruj ntawm cov khoom siv noo noo.
2. Yuav ua li cas ib tug yuav tsum xaiv ib lub tshuab ziab khaub ncaws uas tsim nyog rau kev tsim kho qhov av? Teb: Thaum xaiv lub tshuab ziab khaub ncaws qhuav rau kev tsim kho qhov av, xav txog qhov sib txawv ntawm qhov ntev, kev tsim kho raws sijhawm, thiab muaj chaw ua haujlwm. Rau cov qhov me me (qhov chaw hla ntu <10 m²), cov tshuab ziab khaub ncaws sib xyaw ua ke nrog kev ua haujlwm siab yog tsim rau cov chaw kaw. Rau qhov nruab nrab qhov nruab nrab (10-20 m² cheeb tsam ntu ntu), nruab nrab-qhov loj me qhuav-sib xyaw tshuab txhaj tshuaj raug pom zoo, muab cov zis nruab nrab (5-10 m³ / / h) kom ua tau raws li qhov xav tau kev tsim kho tas mus li. Rau cov qhov loj loj (hloov-seem cheeb tsam> 20 m²) lossis cov haujlwm uas muaj cov sijhawm teem sijhawm, cov tshuab ziab khaub ncaws loj loj nrog cov zis siab (≥10 m³/h) yuav tsum tau xaiv. Tsis tas li ntawd, cov khoom siv nrog kev hnav zoo heev yog qhov tseem ceeb los tiv thaiv qhov hnyav qhov chaw ib puag ncig.
3. Dab tsi yog qhov kev saib xyuas lub voj voog rau cov tshuab ziab khaub ncaws qhuav? Teb: Kev tu lub voj voog yog categorized rau hauv txhua hnub, ncua sij hawm, thiab kev tu txhua xyoo. Kev tu txhua hnub (ua ntej / tom qab txhua hnub ua haujlwm): Ntxuav cov khoom siv thiab cov khoom siv hoppers; soj ntsuam nozzle thiab pub hose hnav; tshawb xyuas kev ruaj ntseg ntawm txhua qhov kev sib txuas; siv lubricants. Kev Kho Lub Sij Hawm (txhua 50 teev ua haujlwm): Ua cov kev kuaj xyuas tag nrho ntawm cov ntsia hlau pub thiab cua valve ua haujlwm; huv si lim; tshuaj xyuas hydraulic system (yog tias tsim nyog) rau cov roj siab thiab xau; hloov hnyav hnyav nozzles thiab cov ntsaws ruaj ruaj. Kev Kho Txhua Xyoo (txhua 1000 teev ua haujlwm lossis ib xyoos): Tshem tawm cov khoom tseem ceeb (piv txwv li, kev xa khoom, kev tswj hwm) rau kev kho dua tshiab; hloov cov hnub nyoog hydraulic roj, lubricants, thiab seals; ua tag nrho cov cuab yeej calibration kom ntseeg tau tias kev ua tau zoo raws li cov qauv tsim.



4. Dab tsi ua rau cov tshuaj tsis sib xws hauvdry shotcrete spraying tshuab? Yuav daws li cas? Teb: Cov laj thawj tseem ceeb muaj xws li: ① Tsis sib npaug ntawm cov khib nyiab qhuav sib xyaw lossis clumping; ② Tus nqi pub tsis ruaj khov; ③ Cov dej tsis txaus lossis tsis sib xws; ④ Fluctuating txau siab; ⑤ Kev hnav khaub ncaws hnyav. Kev daws: ① Tshawb xyuas cov tshuaj khib nyiab kom zoo kom ntseeg tau tias cov khoom sib xyaw ua ke. Sib cais pawg ua ntej siv; txhim kho cov khoom sib xyaw hauv cov hoppers yog tias tsim nyog; ② Tshawb xyuas lub tshuab pub mis (xws li, ntsia hlau auger, pneumatic conveying ntaus ntawv) thiab kho tus nqi pub kom paub meej tias kev pub mis zoo ib yam; ③ Txheeb xyuas cov dej xa dej thiab kho cov dej ntws kom tswj tau qhov dej-rau-cov khoom sib piv. Txhim kho qhov dej tswj valve ntawm lub nozzle rau kev tswj dej kom meej; ④ Tshawb xyuas lub tshuab cua compressor txoj haujlwm ua haujlwm kom ntseeg tau tias cov tshuaj tsuag ruaj khov. Kho lossis hloov lub compressor tam sim yog tias lub siab tsis txaus; ⑤ Tshawb xyuas lub nozzle rau hnav thiab hloov tam sim ntawd yog tias hnav hnyav heev.
5. Dab tsi yog qhov siab tshaj plaws tshuaj tsuag qhov siab thiab ntau yam rau cov tshuab ziab khaub ncaws qhuav? Teb: Qhov siab tshaj plaws tshuaj tsuag qhov siab thiab ntau yam nyob ntawm cov khoom siv, tshuaj tsuag siab, thiab qhov ntev hose. Portable dry-mix sprayers feem ntau ua tiav 5-8 meters siab tshaj plaws thiab 8-12 meters siab tshaj kab rov tav. Nruab nrab pneumatic qhuav-spray tshuab ua tiav 10-15 meters siab tshaj plaws thiab 12-18 meters siab tshaj plaws; Cov tshuab loj qhuav qhuav ncav cuag 15-20 meters siab tshaj plaws thiab 18-25 meters siab tshaj plaws. Txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm Tsis tas li ntawd, cov tshuaj tsuag qhov siab thiab qhov ntau yog nyob ntawm qhov sib xyaw ua ke slurry mix thiab flowability, yuav tsum tau hloov kho kom zoo ntawm cov dej-cement piv thiab cov tshuaj sib xyaw.
6. Puas yog lub tshuab ziab khaub ncaws qhuav qhuav yooj yim ua haujlwm? Cov neeg ua haujlwm puas xav tau kev cob qhia? Teb: Kev ua haujlwm yooj yim ntawm cov tshuab ziab khaub ncaws qhuav yog qhov ncaj ncaj, feem ntau cuam tshuam nrog cov khoom pib, kev hloov tus nqi pub, kev tswj dej, thiab kev tswj cov tshuaj tsuag. Txawm li cas los xij, kev ua tiav kev ua haujlwm zoo thiab ua kom muaj kev tsim kho zoo yuav tsum muaj kev cob qhia rau cov neeg ua haujlwm. Kev cob qhia yuav tsum suav nrog: cov txheej txheem kev ua haujlwm ntawm cov cuab yeej siv, cov haujlwm tseem ceeb hauv kev ua haujlwm, cov txheej txheem ua haujlwm, cov txheej txheem hloov kho, kev saib xyuas txhua hnub, kev ceev faj txog kev nyab xeeb, thiab kev ntsuas thaum muaj xwm txheej ceev. Cov neeg ua haujlwm tsis tau txais kev cob qhia yuav ua rau cov cuab yeej ua haujlwm tsis zoo, cov tshuaj tsuag tsis zoo, lossis txawm tias muaj teeb meem kev nyab xeeb (xws li, plua plav lom, kev raug mob ntawm cov cuab yeej siv) vim kev tuav tsis raug. Yog li, cov neeg ua haujlwm yuav tsum tau txais kev cob qhia ua haujlwm thiab tau txais ntawv pov thawj ua ntej pib ua haujlwm.