What Technical Specifications Matter Most When Selecting Positive Displacement Blowers?

Ku xaiv cov khoom siv uas zoo rau kev siv hauv qhov chaw ua haujlwm yuav tsum muaj kev nco ntsoov ntau dua rau cov lus qhia txog kev ua hauj lwm uas muaj kev cuam tshuam ntau rau kev ua haujlwm, kev ua haujlwm zoo li cas, thiab kev ua haujlwm muaj ntau los ntawm kev siv. Thaum peb xav txog cov khoom siv uas pab tso cua , ua yuav paub tias cov qhia txog kev sib tham yuav tsum tau siv yog dab tsi yog qhov cuam ntej rau kev ua haujlwm zoo tshaj plaws thiab kev tawm tsam uas muaj nqi siab. Cov chaw ua haujlwm nyob rau hauv tsev siv cov khoom no rau cov haujlwm txaus siab li kev sib xyaw rau hauv dej tsis zoo thiab kev sib xyaw ntawm cov khoom siv, yog li kev xaiv cov khoom uas muaj kev paub yuav tsum tau rau kev ua haujlwm ntev.

Cov kev kawm txog kev ua haujlwm ntawm cov khoom siv uas siv kev sib xyaw ntawm cov khoom siv tsis tuaj yeem sib xyaw tau, tab sis cov qhia txog kev sib tham uas tseem ceeb tshaj plaws tsuas yog qhov cuam ntej rau kev xaiv cov khoom siv uas muaj kev sib xws. Cov neeg tshawb nrhiav thiab cov neeg xaiv cov khoom siv yuav tsum nyob rau hauv cov qhia txog kev sib tham uas sib xws rau cov haujlwm uas lawv yuav tsum ua, tsis yog siv cov qhia txog kev sib tham uas tseem ceeb rau lub tsev ua haujlwm. Lub cim no yuav tshawb nrhiav cov qhia txog kev sib tham uas tseem ceeb rau kev xaiv cov khoom siv uas siv kev sib xyaw ntawm cov lus tswv yim rau cov chaw ua haujlwm.

Qhov tshuab thiab qhov tshuab

Ua paub txog cov kev xav tau rau kev sib xyaw

Cov cim ntawm kev sib npaug, uas tseem coob tshaj plaws yog muab txhais raws li cubic feet per minute (CFM) lossis cubic meters per hour, yog qhov loj ntawm cov dej lossis cov hluav taws xob uas cov khoom siv no tuaj yeem sib npaug rau hauv ib qhov teev. Rau cov khoom siv hluav taws xob rau hauv qhov chaw ua haujlwm, qhov cim no yuav tsum paub tias cov khoom siv no puas tau sib npaug rau kev xav tau ntawm koj. Yog tias cov khoom siv no tsis loj enough, nws yuav ua rau kev khaub ncex, kev ua haujlwm tsis zoo, thiab kev ua haujlwm tsis zoo yuav tshuam rau tag nrho cov khoom siv ntawm koj.

Thaum txhais qhov kev siv cov lus tshuab ntsuas roj, koj yuav tsum nrhiav xyuam rau qhov kev siv zoo tshaj plaws, tsis yog rau qhov kev siv ua haujlwm tshwj xeeb. Lub tsev sib ntau yuav muaj qhov kev siv roj nyob rau hauv lub sijhawm ntawd, thiab koj yuav tsum xaiv cov lus tshuab roj uas tuaj yeem siv rau qhov kev siv zoo tshaj plaws, tsis txhob siv qhov kev siv loj dua li qhov tseem ceeb uas yuav pab tshem qhov roj. Qhov kev sib raug ntawm qhov roj thiab qhov roj tshuab yog qhov kev siv uas koj tuaj yeem siv.

Qhov roj tshuab thiab qhov kev sib raug ntawm lub tsev

Kev sib txuas ntawm kev sib txuas cov khoom siv tshuab thiab kev sib txuas cov khoom siv tshuab yuav muaj qhov ntau ntau rau kev sib txuas cov khoom siv tshuab, thiab qhov kev sib txuas cov khoom siv tshuab yog qhov tseem ceeb rau kev suav nrog kev sib txuas cov khoom siv tshuab. Qhov kev sib txuas cov khoom siv tshuab zoo tshaj plaws yuav tso cai rau kev sib txuas cov khoom siv tshuab los ntawm kev sib txuas cov khoom siv tshuab, kev sib txuas cov khoom siv tshuab rau hauv cov khoom siv tshuab tom qab, lossis kev sib txuas cov khoom siv tshuab rau hauv cov khoom siv tshuab uas muaj kev sib txuas cov khoom siv tshuab. Cov khoom siv tshuab hauv tsev sib txuas cov khoom siv tshuab yuav sib txuas cov khoom siv tshuab ntawm 5 thiab 15 pounds per square inch (PSI) rau kev sib txuas cov khoom siv tshuab, tab sis cov khoom siv tshuab uas muaj kev sib txuas cov khoom siv tshuab yuav tsum muaj kev sib txuas cov khoom siv tshuab zoo tshaj plaws.

Kev sib thaj thiab kev tswj hwm ntawm cov khoom sib sau rau hauv qhov ntau dua yuav ntau dua, uas muaj kev nyuaj rau qhov nyuaj ntawm cov khoom thiab kev ua haujlwm. Cov lus piav txog kev siv lub tshuab rov qab (rotary lobe blower) rau hauv cov chaw ua kom cov dej tsis zoo los ua zoo (wastewater treatment facilities) feeb feeb ua haujlwm ntawm qhov ntau me me uas raug rau cov khoom ua kom cov dej tsis zoo (aeration stone diffuser systems), thaum li cas kev siv lub tshuab rov qab rau hauv kev sib tso (pneumatic conveying) yuav tsum muaj qhov ntau ntau dua. Kev sib npaj qhov ntau rau cov khoom uas koj xav siv yuav pab tshem qhov nyuaj ntawm cov khoom ua haujlwm thiab pab tshem qhov nyuaj ntawm cov khoom ua haujlwm.

Cov lus piav txog lub motor thiab kev siv hluav taws xob ntau dua

Cov lus piav txog lub motor thiab kev xaiv lub horsepower

Kev ntxiv qhov hluas ntawm cov khoom siv hluas yog qhov tseem ceeb rau kev siv hluas thiab kev siv hluas, uas ua rau qhov no tsis tuaj yeem txhob txiav. Cov khoom siv hluas uas muaj qhov hluas ntau dua yuav tsum muaj kev siv hluas ntau dua raws li qhov hluas thiab qhov hluas ntau dua, thiab cov khoom siv hluas uas muaj qhov hluas tsis ntau dua yuav ua rau kev siv hluas tsis zoo thiab ua rau kev siv hluas tsis zoo. Tsis tas li ntawd, cov khoom siv hluas uas muaj qhov hluas ntau dua yuav siv hluas ntau dua thiab tsis muaj kev siv hluas zoo, uas ua rau kev siv hluas ntawm lub tsev tsis zoo.

Rau cov kev siv hluav taws xob rau qhov chaw ua haujlwm, qhov txiav txim siab lub cev uas yuav tsum nrhiav xyuam rau qhov kev siv hluav taws xob uas tsis tuaj yeem los sis rau qhov kev siv hluav taws xob uas tuaj yeem, qhov cua sov ntawm qhov chaw, thiab qhov kev siv hluav taws xob uas yuav tsum siv rau qhov kev siv hluav taws xob. Lub cev uas siv hluav taws xob tau muaj kev pheej yuam ntau dua rau lawv, thiab cov cev uas muaj kev pheej yuam zoo dua tau muaj kev pheej yuam zoo dua rau cov cev uas muaj kev pheej yuam tsis zoo. Thaum peb xav txog qhov kev siv hluav taws xob rau qhov kev siv hluav taws xob uas muaj qhov kev siv hluav taws xob uas muaj qhov kev siv hluav taws xob, qhov cim ntawm lub cev thiab qhov kev siv hluav taws xob yog qhov kev siv hluav taws xob uas yuav tsum siv rau qhov kev siv hluav taws xob.

Kev siv hluav taws xob thiab qhov kev siv hluav taws xob

Kev pab ntau ntawm kev siv hluav taws xob yog qhov tseem ceeb rau kev siv tau ntawm lub tshuab tshuab tshuab uas muaj kev siv hluav taws xob thaum siv tau. Lub tshuab uas siv tau thaum siv tau txhua hnub thiab txhua lub lim, yuav siv hluav taws xob ntau tshaj 1,000 dollars thaum siv tau txhua xyoo, thiab qhov no yog qhov tseem ceeb rau kev siv tau ntau dua. Cov khoom siv uas muaj kev siv hluav taws xob raws li kev siv tau (VFDs) thiab cov tshuab tshuab tshuab tshuab uas muaj kev siv tau yuav pab tau kev siv tau raws li kev siv tau, thiab qhov no yuav pab tau kev siv hluav taws xob tsis tau siv tau thaum kev siv tau hloov.

Kev ua kom paub qhov kev siv tau txhua xyoo yuav tsum siv kev siv tau ntawm lub motor, kev ua kom paub qhov kev siv tau, thiab kev ua kom paub qhov kev siv tau ntawm lub tshuab tshuab tshuab uas muaj kev siv tau thaum siv tau. Cov tshuab tshuab tshuab tshuab uas muaj kev siv tau ntau dua yuav pab tau kev siv tau ntau dua thaum siv tau ntau dua thiab yuav pab tau kev siv tau ntau dua thaum siv tau ntau dua. Cov tshuab tshuab tshuab tshuab uas muaj kev siv tau ntau dua yuav pab tau kev siv tau ntau dua thaum siv tau ntau dua thiab yuav pab tau kev siv tau ntau dua thaum siv tau ntau dua.

Kev siv tau thiab cov kev kawm ntawm qhov chaw

Kev tswj xyuam thiab cov khoom siv rau lub tshuab

Cov khoom siv uas siv hauv cov tshuab uas muaj qhov ntsiab lus ntawm kev tswj xyuam yog qhov cuam tshuam rau kev nyuaj siab ntawm cov khoom siv hauv cov xwm txheej uas tsis zoo. Hauv cov xwm txheej uas muaj kev tswj xyuam rau cov dej ua pov tseg, cov khoom siv tau txais kev tswj xyuam los ntawm cov dej tshuab hydrogen sulfide thiab cov dej uas muaj dej ntau, uas yog qhov ua rau cov khoom siv steel carbon tsis zoo tau nyuaj siab ntau. Cov rotors stainless steel, cov casing uas muaj epoxy coating, thiab cov bearing assemblies uas muaj kev kho tshem tau pab ua rau cov khoom siv nyuaj siab ntev dua hauv cov xwm txheej no, tab sis yuav tsum muaj nqi ntau dua thaum kawg.

Cov laus txheej txheem uas siv lub tshuab pom tswv yim thiab cov lus qhia tias yuav tsum muaj kev pab tswv yim rau cov khoom siv hauv qhov chaw ua noj thiab qhov chaw ua khoom tshiab. Lub tshuab pom tswv yim uas siv lub tshuab aluminum alloy yog qhov zoo rau kev siv hauv qhov chaw siv hauv qhov chaw ua khoom thiab qhov chaw ua khoom tshiab, thiab nws kuj muaj kev nyab xeeb rau kev siv hauv qhov chaw ua khoom tshiab. Yog koj xaiv cov khoom uas zoo rau koj qhov chaw siv, nws yuav pab koj tshem tawm cov cuab yeej uas tsis zoo thiab cov kev kho mob uas tsis tau qhia, uas yuav pab koj tshem tawm cov kev lag luam.

Qhov chaw ua haujlwm ntawm cov cuab yeej

Txoj kev ntsuas qhov cua, qhov txias thiab qhov ntsuas ntawm qhov cua yog qhov uas tshem tawm rau cov khoom siv uas muaj kev ua haujlwm zoo heev. Cov khoom siv uas tau tsim rau hauv qhov chaw uas muaj qhov cua zoo yuav tsis ua haujlwm zoo thaum muab mus rau hauv qhov chaw uas muaj qhov cua ntau lossis hauv qhov chaw uas muaj cov duab cua ntawm cov khoom siv. Cov khoom siv uas tsim rau kev siv cua rau hauv qhov chaw tseem ceeb uas muaj qhov cua ntau yuav tsum muaj cov khoom siv uas muaj kev kuaj xyuas qhov cua rau cov motor, kev siv lub tshuab rau cov khoom siv, thiab kev siv lub tshuab rau cov khoom siv uas muaj kev sib twj rau qhov chaw no.

Cov khoom siv uas siv rau kev siv cua rau hauv qhov chaw tseem ceeb yuav tsum muaj kev tsim rau qhov chaw uas muaj qhov cua ntau. Qhov siab ntawm qhov chaw yuav sib twj rau qhov density ntawm qhov cua thiab kev kuaj xyuas qhov cua rau cov motor, tias rau cov khoom siv uas tsis muaj qhov cua ntau hauv qhov chaw. Kev tshem tawm qhov cua rau hauv cov khoom siv los ntawm kev siv cov khoom siv uas muaj kev tshem tawm qhov cua thiab kev tshem tawm qhov cua yuav pab tshem tawm kev tshem tawm ntawm cov khoom siv thiab kev tshem tawm ntawm cov khoom siv uas muaj kev tshem tawm qhov cua rau hauv qhov chaw uas muaj qhov cua ntau uas muaj kev tshem tawm qhov cua rau hauv qhov chaw uas muaj qhov cua ntau.

FAQ

Yus yuav tsum kawg qhov kev sib twb rau kuv lub blower uas muaj kev sib twb?

Txheeb xyuas qhov kev sib twb siab tshaj plaws ntawm koj lub system los ntawm kev txheeb xyuas qhov kev sib twb siab tshaj plaws uas tau sib npaug los ntawm txhua yam kev sib twb uas sib sau lossis cov khoom uas nyob rau hauv qab. Nco ntsoov ntxiv qhov kev sib twb zoo li 10 rau 15 peb cent rau kev paub tias yuav muaj kev sib twb ntxiv tom ntej thiab rau kev tswj hwm cov cuab yeej. Sauv cov lus qhia ntawm cov neeg tsim khoom rau cov blower uas muaj lub rov qab los ntawm kev rov qab, kom paub tias qhov kev sib twb yuav dhau li cas ntawm qhov kev sib twb uas koj lub system yuav ua haujlwm, vim tias cov khoom uas muaj kev sib twb yuav muaj qhov kev sib twb siab tshaj plaws thaum qhov kev sib twb yuav nce ntau.

Koj lub motor muaj kev sib twb li cas rau koj lub nqi sib twb rau cov khoom sib twb uas siv rau kev sib twb hauv tsev tsim khoom?

Cov ntsiab lus zoo tshaj plaws ntawm cov qhov cua tsoo yuav ua rau qhov siv lub zog hluav tais xwb nyob rau hauv 5 thiab 10 puv tshaj plaws kom compared rau cov qhov cua tsoo tshaj plaws, uas pab txhawj rau kev muab tau qhov siv lub zog hluav tais xwb rau cov qhov cua tsoo uas tsis tuaj yeem pauv. Xyuam rau qhov siv lub zog hluav tais xwb los ntawm kev faib qhov siv lub zog hluav tais xwb los ntawm qhov siv lub zog hluav tais xwb rau ib xyoo; qhov siv lub zog hluav tais xwb rau peb xyoo yuav tshwm sim rau kev xaiv qhov siv lub zog hluav tais xwb. Cov khoom siv lub zog hluav tais xwb yuav pab txhawj rau kev siv lub zog hluav tais xwb los ntawm kev siv lub zog hluav tais xwb los ntawm kev siv lub zog hluav tais xwb los ntawm kev siv lub zog hluav tais xwb rau cov qhov cua tsoo uas muaj qhov siv lub zog hluav tais xwb los ntawm kev siv lub zog hluav tais xwb.

Yam ntaub ntawv twg yog qhov tseem ceeb tshaj plaws rau cov qhov cua tsoo uas muaj qhov siv lub zog hluav tais xwb?

Tshuaj ntaub ntawv stainless steel thiab cov kab mob epoxy-coated rau cov blower rotary lobe uas siv hauv qhov chaw uas muaj hydrogen sulfide lossis lwm yam qhov tshuaj tsoo uas yog qhov tseem ceeb hauv kev kho kom zoo rau cov dej tsis zoo. Cov kab mob uas muaj lub tshuab tshuab thiab muaj kev txuag ntau dua los ntawm kev txuag ntau dua yuav pab tshem tawm cov khoom hauv kab mob los ntawm dej thiab qhov tshuaj tsoo. Cov seal elastomer yuav tsum sib thaj rau cov tshuaj uas muaj hauv koj cov khoom; cov rubber gasket tshwj xeeb yuav ploj tawm yog tias muaj kev sib koom nrog cov tshuaj organic lossis petroleum cov khoom uas siv hauv cov kev ua haujlwm tom qab.