Kev xaiv, kev teeb tsa thiab kev soj ntsuam yuam kev ntawm Industrial Chillers
1. Kev xaiv cov tshuab chillers
1. Qhov kub thiab txias
When choosing an industrial chiller, you should first consider the factory's requirements for the production temperature. The production temperature has extremely important practical significance for the selection and system composition of the chiller. For example, the chiller used for air conditioning and the chiller used for low temperature engineering often have fundamental differences.
2. Lub tub yees thiab sawv ntsug - ib leeg muaj peev xwm ua kom txias
Qhov loj ntawm lub peev xwm txias ntawm lub chiller yog ncaj qha ntsig txog kev siv hluav taws xob thiab kev lag luam ntawm tag nrho chav tsev, uas tsim nyog rau kev mloog. Tshwj xeeb tshaj yog thaum tsim qhov chaw txias txias, ib qho chiller feem ntau tsis teeb. Qhov no yog qhov tseem ceeb rau kev txiav txim siab tias thaum lub chiller tsis ua haujlwm lossis raug kaw rau kev saib xyuas, kev tsim khoom yuav tsis raug tso tseg, tab sis ib chav tsim nyog yuav tsum raug xaiv raws li qhov xwm txheej tsim khoom. tus naj npawb ntawm units.
3. Kev siv hluav taws xob
Kev siv hluav taws xob yog hais txog kev siv hluav taws xob thiab chav siv hluav taws xob. Tshwj xeeb tshaj yog thaum xaiv ib tug loj industrial chiller, kev siv lub zog yuav tsum tau xav txog. Vim tias lub tshuab chiller loj yog cov cuab yeej siv hluav taws xob ntau, rau qhov chaw nres tsheb loj loj rau kev ua kom txias, nws yuav tsum xav txog tag nrho cov teebmeem ntawm hluav taws xob, cua sov thiab txias. Txhawm rau kom ua tiav cov txiaj ntsig kev lag luam zoo tshaj plaws, kev saib xyuas tshwj xeeb yuav tsum tau them rau kev siv tag nrho ntawm cov khib nyiab thiab khib nyiab.
4. Kev tiv thaiv ib puag ncig
Thaum xaiv lub chiller, cov teeb meem kev tiv thaiv ib puag ncig yuav tsum tau txiav txim siab los pab txhawb kev tsim khoom, kev tshawb fawb thiab kev ua neej nyob. Piv txwv li, cov hauv qab no yuav tsum tau them nyiaj mloog mus rau: suab nrov tshwm sim thaum lub chiller khiav, thiab lub suab nrov nqi nce los yog txo nrog qhov loj ntawm lub chiller; Qee cov tub yees siv hauv chillers yog tshuaj lom, khaus, flammable thiab tawg; qee qhov tub yees Tus neeg saib xyuas yuav rhuav tshem cov ozone txheej hauv cov huab cua, thiab thaum nws nce mus txog ib theem, nws yuav ua rau muaj kev puas tsuaj rau tib neeg.
5. Kev vibration
Lub chiller yuav vibrate thaum nws khiav, tab sis qhov zaus thiab amplitude sib txawv heev nyob ntawm seb hom chav tsev. Yog tias muaj qhov yuav tsum tau ua los tiv thaiv- kev vibration, lub chiller nrog lub amplitude me yuav tsum tau siv, los yog lub hauv paus thiab cov kav dej ntawm lub chiller yuav tsum damped.
6. Qhov zoo ntawm cov dej txias
The quality of the cooling water has a great influence on the heat exchanger, and its effect on the equipment is scaling and corrosion, which will not only affect the reduction of the cooling capacity of the chiller, but also lead to blockage and damage of the heat exchange tube in severe cases.
2. Kev ceev faj rau kev teeb tsa kev lag luam chillers
1. Ua ntej kev teeb tsa, ua tib zoo xyuas seb cov khoom siv chiller puas puas, thiab tom qab ntawd xaiv qhov chaw tsim nyog.
2. Qhov chaw teeb tsa ntawm lub chiller chav tsev yog hauv pem teb, installation ncoo lossis lub hauv paus, thiab tuaj yeem lav qhov hnyav tag nrho ntawm cov khoom siv.
3. Lub chiller yuav tsum tau muab tso rau hauv ib chav uas muaj qhov kub thiab txias ntawm 4-40 degrees, tawm hauv qhov chaw txaus nyob ib puag ncig ntawm chav tsev kom yooj yim rau kev saib xyuas thiab kev tswj xyuas yav tom ntej.
4. Ib qho kawg ntawm lub chiller yuav tsum muaj qhov chaw rau kev tu lub condenser raj bundle, uas tsis tuaj yeem nyob nrog lwm yam khoom siv hauv lub rhiav.
5. Xaiv txoj kab uas hla ntawm cov kav dej uas tsim nyog, uas tuaj yeem tiv taus lub siab ntawm lub tshuab cua txias thaum lub tshuab chiller khiav ntawm lub zog siab tshaj plaws, thiab txuas nws kom raug.
6. Rau kev siv cov xwm txheej sib txawv, cov dej ntws ceev los ntawm lub condenser yog nyob nruab nrab ntawm 1.0-3.6m / s, thiab cov dej ntws yuav tsum ruaj khov nyob rau hauv ib qho kev thauj khoom.
7. Cov kav dej tsim thiab kev teeb tsa tau ua tiav raws li cov txheej txheem pa. Lub twj tso kua mis chilled yog txuas nrog cov kav dej hauv dej ntawm lub chiller kom ntseeg tau tias qhov zoo siab thiab ntws hauv chav tsev, thiab kom muaj kev cuam tshuam rau kev poob siab los tiv thaiv cov dej hauv cov evaporator los ntawm kev ntws tawm vim yog lub twj tso kua mis kaw. . .
8. Kev kho cov kav dej thiab chav tsev yuav tsum sib cais, thiab lub hanger tsis tuaj yeem kho tib lub sijhawm. Tsis txhob ntxhov siab rau cov khoom ntawm lub chiller los tsim lub nra.
9. Txheeb xyuas thiab ua raws li qhov zoo ntawm cov dej txias ntawm cov evaporator thiab condenser. Yog tias cov dej tsis zoo, cov khoom siv ntawm cov kav dej loj yuav tsum raug xaiv los txo cov dej fouling, nag lossis daus, corrosion, thiab lwm yam uas cuam tshuam rau cov cua sov hloov ntawm lub system, txo qhov kev ua tau zoo ntawm chav tsev, thiab ua kom muaj kev ua haujlwm. thiab cov nqi kho mob.
10. Nruab lub lim dej txias, ntxuav thiab tswj xyuas tsis tu ncua los txhim kho cov dej zoo.
11. Tom qab kev ntsuam xyuas cov dej xau ntawm cov khoom siv chiller ua tiav, cov yeeb nkab chaw nres nkoj yuav tsum tau kho nrog kev tiv thaiv- xeb.
3. Kev ceev faj rau kev ua haujlwm ntawm lub chiller:
1. Tus neeg tsav tsheb chiller yuav tsum tau kawm thiab paub txog cov kev txawj ntse, thiab kev ua haujlwm ntawm lub tshuab chiller yuav tsum ua raws li cov cai tswj kev nyab xeeb.
2. Ua tib zoo ua ntej ua haujlwm, xyuas seb qhov dej txias valve puas tau qhib, lub tank dej ntawm lub chiller thiab cov dej siab ntawm cov dej txias yog qhov qub, txwv tsis pub khiav tsis muaj dej; ua tib zoo xyuas cov xwm txheej ntawm txhua lub raj xa dej ua ntej ua haujlwm, thiab xyuas kom meej tias nws raug. Qhib lub chiller.
3. Qhov qhib ntu ntawm cov dej chiller: tig lub twj tso kua mis dej txias thiab tig lub compressor; qhov kaw ntu ntawm cov dej chiller: tua lub compressor thiab tua lub twj tso kua dej txias;
4. Tsis txhob teeb qhov kub ntawm cov dej khov kom qis heev. Tsis tshua muaj kub yuav txo tau lub tub yees efficiency ntawm chav tsev, thiab tej zaum yuav ua rau lub kub tsis tshua muaj kev tiv thaiv ua rau lub tswb thiab nres. Tsuas yog tso dej kub kom qis me ntsis dua li qhov ntsuas kub xav tau, thiab ua haujlwm yog tias tsim nyog. Kev kho sab, kho cov dej kub raws li qhov xav tau tiag tiag;
5. Thaum lub tsev tsis ua haujlwm thiab lub tswb thiab nres, thawj zaug nias lub khawm nres ntawm lub tsev (lub tswb nrov yuav tawm mus), thiab tom qab ntawd xyuas qhov ua rau tsis ua haujlwm, thiab tsis txhob yuam kom khiav mus txog thaum qhov kev ua txhaum raug tshem tawm;
6. Tsis txhob kaw lub tsev los ntawm kev txiav tawm lub zog loj tshwj tsis yog tias nws muaj xwm txheej ceev; Yog tias chav tsev tsis siv sijhawm ntev rau lub caij ntuj no, tua lub tsev ua ntej, tom qab ntawd tua lub zog loj, thiab ntws cov dej hauv qhov system;
7. Thaum muaj qhov txawv txav tshwm sim hauv lub chiller thaum lub sijhawm ua haujlwm, lub hwj chim yuav tsum tau muab tua tam sim ntawd thiab cov neeg ua haujlwm saib xyuas yuav tsum tau ceeb toom los daws nws. Tua lub zog ntawm lub tshuab chiller, ntxuav lub tshuab, ntxuav thiab npaj qhov chaw ua haujlwm;
4. Kev tshuaj xyuas qhov ua txhaum ntawm kev lag luam chillers
Feem ntau faults 1. Lub tshuab chiller muaj dej ntws. Ua ntej, qhov chaw ntawm qhov xau yuav tsum raug txiav txim siab thiab cov kev ntsuas sib raug yuav tsum tau ua.
Cov laj thawj rau cov dej xau yog raws li hauv qab no:
1. Cov dej nkag thiab qhov hluav taws xob yog xoob lossis tawg thiab cov dej xau tshwm sim.
2. Qhov chaw txhaj tshuaj dej yog xoob, ua rau cov dej xau thaum ntxiv dej.
3. Lub thoob dej txhaj tshuaj hauv lub tshuab chiller ruptured thiab leaked.
4. Cov dej qhov hluav taws xob ntawm lub tshuab chiller ruptures thiab leaks.
5. Cov kav dej sab hauv ruptured, ua rau cov dej to.
6. Cov dej xau tshwm sim nyob rau hauv perforation ntawm lub condenser nyob rau hauv lub industrial chiller.
7. Lub hau ntws hauv lub interface yog tawg lossis xoob, ua rau cov dej ntws tawm.
8. Cov dej txias tau hloov pauv thiab ntws tawm thaum lub sijhawm ua haujlwm vim tias lub tank dej puv dhau lawm.
9. Cov yeeb nkab txuas sab nraud yog tawg lossis lub nozzle tsis sib xws lossis qhov loj me tsis haum rau cov dej xau.
Kev daws rau qhov to ntawm industrial chiller:
1. Yog tias nws pom tias cov dej ntws tawm ntawm lub tshuab chiller yog tshwm sim los ntawm kev tawg lossis xoob ntawm lub hau ntws hauv qhov sib txuas, tus neeg siv tuaj yeem hloov nws ntawm nws tus kheej;
2. Cov dej ntws tawm ntawm lub tshuab chiller yog vim tias cov dej txhaj tshuaj puv nkaus. Koj tuaj yeem qhib lub qhov hluav taws xob ntawm lub tshuab chiller los kho cov dej mus rau qhov tsawg kawg nkaus cov kua theem kab ntawm qhov ntsuas dej;
3. Yog hais tias cov yeeb nkab dej ntawm qhov kev sib txuas sab nraud ntawm lub tshuab chiller tsis sib xws lossis cov yeeb nkab dej tawg lossis qhov loj tsis haum rau cov dej xau, cov yeeb nkab dej tuaj yeem kho tau lossis cov yeeb nkab dej ntawm qhov loj me tuaj yeem hloov tau. .
Feem ntau ua txhaum 2. Lub tshuab chiller tsis tuaj yeem tso rau hauv tub yees. Yog vim li cas muaj xws li industrial chiller system leaking refrigerant, compressor tawg, lub computer board tawg, thiab lub tub yees system yog overloaded.
1. Yog tias cov tub yees tso tawm los ntawm cov tshuab chiller, ua ntej xyuas seb qhov qis - lub ntsuas cua ntawm lub tshuab chiller muaj siab. Yog tias tsis muaj qhov siab, nws txhais tau hais tias cov tub yees tau xau. Txheeb xyuas qhov to thiab kho qhov to. Txheeb xyuas qhov kev sib txuas ntawm txhua cov yeeb nkab tooj liab kom pom cov dej ntws tawm ntawm qhov chaw ntawd. Cia li sau qhov chaw ntawd.
2. Yog hais tias lub compressor ntawm industrial chiller puas lawm, lub tshuab qhia tau hais tias lub compressor yog faulty. Siv lub clamp meter los clamp peb cov xov hlau ntawm lub compressor kom tau txais cov haujlwm tam sim no. Yog hais tias peb cov xov hlau sib txawv, nws yog thawj zaug txiav txim siab tias lub compressor tsis zoo. Piv txwv li, qhov qub tam sim no ntawm compressor ntawm 10HP industrial chiller yog 18A-20A, txwv tsis pub nws yog qhov txawv txav, qhia tias lub compressor puas lawm, thiab cov tshuaj yog los hloov lub compressor ntawm industrial chiller.
3. Yog tias lub khoos phis tawj ntawm lub tshuab chiller tau tawg, qhov ntsuas kub ntawm lub tshuab computer yog qhov txawv txav, lossis tsis haum rau qhov ntsuas kub. Qhov kev daws teeb meem yog los hloov lub computer board ntawm industrial chiller.
4. Yog hais tias lub tub yees system ntawm industrial chiller yog overloaded, qhov kub tsis tuaj yeem ncav cuag qhov kev txiav txim siab ua ntej thaum siv lub tshuab chiller, lossis qhov kub tsis poob, tab sis qhov kub nce siab, qhia tias lub hwj chim ntawm kev xaiv muaj chiller tsis yog. loj txaus. Qhov kev daws teeb meem yog los hloov lub tshuab chiller loj dua kom ncav cuag qhov kub ntawm cov dej uas yuav tsum tau ua hauv cov txheej txheem ntau lawm.
Feem ntau cov faults 3. Lub tshuab chiller qhia txog qhov tsis muaj - siab, uas ua rau lub tshuab chiller tsis ua haujlwm ib txwm. Yog vim li cas yog cov tub yees tsis txaus, txhaws ntawm lub lim, ntau dhau fouling ntawm lub raj tooj liab ntawm lub condenser, thiab qhib me me ntawm lub expansion valve.
1. Cov tub yees tsis txaus, qhov kev daws teeb meem: kev kuaj pom, puas muaj qhov to hauv cov kav dej sib txuas? Replenish refrigerant tom qab kho.
2. Lub lim yog thaiv, qhov kev daws teeb meem: disassemble thiab ntxuav lossis hloov lub lim.
3. Lub raj tooj liab ntawm lub condenser muaj ntau fouling, txoj kab uas hla yuav me me, thiab cov cua kub dissipation tsis zoo. Kev daws: Ntxuav lub condenser tooj liab raj.
4. Qhov qhib ntawm lub expansion valve yog me me heev, qhov kev daws teeb meem: txo qhov qhib ntawm lub expansion valve kom tsim nyog, thiab rov pib dua qhov kev tiv thaiv siab thiab tsis tshua muaj siab tom qab tshem tawm.
In addition, the selection of the chiller must be accurate. If the model is not in place, it will also fail to achieve the required cooling effect. It is recommended that when purchasing a chiller, provide the required cooling capacity and other parameters to the chiller manufacturer, discuss and obtain the chiller model, determine the chiller installation plan, achieve the predetermined cooling effect, and improve production efficiency.
Common faults 4. High pressure alarm of industrial chiller. After reset, start the machine and look at the high pressure gauge. If the pressure keeps rising, there will be a high pressure alarm. This kind of failure is generally not caused by the equipment manufacturer's problem. Users can solve the problem from the following aspects:
1. Cov dej txias tsis qhib. Qhov teeb meem no yooj yim heev los daws, tab sis nws yog ib qho yuam kev. Kev daws: Thov qhib lub valve dej.
2. Cov dej txias ntws tsawg dhau los yog qhov kub thiab txias heev. Kev daws: ua kom cov dej txias ntws los yog txo cov dej kub (cov dej txias tso cai rau 21-38 degrees).
3. Lub raj tooj liab ntawm lub condenser muaj ntau fouling, me me txoj kab uas hla thiab tsis zoo cua sov dissipation. Kev daws: Ntxuav lub condenser tooj liab raj.
4. Cov tub yees ntau dhau. Kev daws: tso tawm cov tub yees ntau dhau (R22)
5. Expansion valve opening is too large. Solution: appropriately reduce the opening degree of the expansion valve, press the compressor thermal relay protection switch (RESTET), and restart the machine after finding out the cause.
