Kev siv tshiab ntawm cov kua roj vanish filtration technology hauv syngas compressor

Kev Tshawb Fawb: Txheeb xyuas qhov ua rau ntawm lub ntsiab bearing plhaub kub hloov pauv ntawm centrifugal compressor chav tsev, muab cov kev daws teeb meem tshwj xeeb, thiab paub cov ntsiab lus ntawm kev pheej hmoo ntawm kev ua haujlwm thiab kev tiv thaiv kev ntsuas.

Cov lus tseem ceeb: centrifugal compressor pab pawg kua roj vanish bearing hav txwv yeem kub

1Cov ntsiab lus

Syngas compressor unit K04401 ntawm CNOOC Huahui Coal Chemical Co., LTD yog tsim thiab tsim los ntawm Mitsubishi, Nyiv.Nws cov duab layout yog ntsia raws li hauv qab no:

Syngas compressor unit K04401 siab 3V-7S (Hp), tsis tshua muaj siab lub tog raj kheej 3V-7 (Lp) plhaub yog ib lub thoob qauv, lub thoob lub cev hauv qab mus rau tus neeg tsav tsheb, qhov dawb kawg sab qhib, yooj yim ntxig rau hauv lub tog raj kheej sab hauv.

Table 1: Kev ua haujlwm tsis zoo ntawm K04401 qis thiab siab lub tog raj kheej 3V-7 (Lp) / 3V-7S (Hp) cov cuab yeej

2. Chav 2 muaj teeb meem

Thaum lub Tsib Hlis 2020, lub qag plhaub kub ntawm chav tsev hloov pauv, thiab qhov kub ntawm qee qhov ntsuas kub tsis tuaj yeem rov qab mus rau qhov qub kev khiav haujlwm.Ntawm lawv, radial lub ntsiab bearing plhaub kub ntawm lub chav turbine tso kawg TI-04457B tau mus txog 82 ℃ thiab muaj ib tug upward sib.

Daim duab 1: Kev sib txawv ntawm chav tsev bearing bush kub taw tes TI04457B

3. Ua rau Kev Ntsuas thiab ntsuas kev kho mob

3.1 Qhov nce ntawm qhov kub thiab txias

Los ntawm kev ntsuam xyuas cov roj ntsuas ntawm chav ua haujlwm roj, nws pom tias cov kua roj vanish index 22.4 siab, thiab cov pa phem kuj siab (saib Table 2).Thiab cov kua roj vanish siab Performance index, kua roj vanish yuav ua rau tsim cov kua roj vanish ntawm lub ncej adhesion tsub zuj zuj, yog li txo cov roj zaj duab xis sib txawv, ua rau kom muaj kev sib txhuam, hnyav ua rau cov ncej ntawm cov cua kub dissipation, ncej kub nce, roj oxidation acceleration.Nyob rau tib lub sijhawm, vim muaj kuab paug siab hauv cov roj, cov kua roj vanish yuav ua raws li lwm cov khoom tsis huv, ua kom muaj kev sib tsoo kom ua rau cov khoom hnav hnyav dua.

Kev tshuaj xyuas qhov hloov pauv ntawm cov kabmob bush, nws yuav yog cov kua roj vanish uas tsim nyob rau hauv lub tshuab lubricant, cov kua roj vanish yog thaum kawg concentrated ntawm cov kabmob bush,

Ua rau lub ntsiab bearing plhaub kub hloov pauv thiab nce.

Qhov ua rau cov kua roj vanish: thawj yog lub ntuj oxidation ntawm cov khoom roj.Hydrocarbon roj oxidation ua raws li cov dawb radical saw cov tshuaj tiv thaiv mechanism, oxidation ntawm carboxylic acid, esters, cawv peroxide, cov peroxides ntxiv condensation cov tshuaj tiv thaiv ntawm siab molecular hnyav polymer, yaj nyob rau hauv lub xeev roj, thaum ntau tshaj qhov dissolution degree ntawm lub lubricating roj, lubricating roj. saturated, ntau degradation cov khoom yuav tsim cov kua roj vanish.Qhov thib ob, cov roj "micro-combustion" kuj tseem yuav ua kom cov kua roj vanish.Raws li ib txwm muaj, qee qhov huab cua (<8%) yog yaj hauv cov roj lubricating.Thaum lub dissolution txwv ntau tshaj, cov huab cua nkag mus rau hauv cov roj muaj nyob rau hauv cov roj nyob rau hauv ncua kev kawm ntawv.Thaum cov roj lubricating tau nkag mus rau hauv qhov chaw siab siab los ntawm thaj chaw tsis tshua muaj siab, cov npuas me me uas tau muab tshem tawm hauv cov roj tau nrawm nrawm, ua rau muaj qhov kub thiab txias hauv cov roj microarea, qee zaum nce mus txog 1100 ℃, ua rau adiabatic " microcombustion" nyob rau hauv cov roj microarea, tsim cov khoom me me insoluble.Cov ntaub ntawv insoluble no yog polar, tsis ruaj tsis khov, thiab tseem yooj yim rau kev ua raws li cov hlau nto los ua cov kua roj vanish.Ib zaug ntxiv "hluav taws xob hluav taws xob" hauv cov roj kuj yog ib qho tseem ceeb rau kev tsim cov kua roj vanish, nyob rau hauv loj chav tsev kub, siab siab, siab ceev, ib puag ncig, thaum cov roj tom qab me me sib txawv xws li valve core, precision lim, molecular txhuam. nruab nrab ntawm hluav taws xob zoo li qub, dheev tso tawm, sau tom qab ntau txhiab degrees ntawm qhov kub thiab txias, kuj yog ib qho yooj yim los tsim cov kua roj vanish.Feem ntau hais lus, cov khoom siv roj oxidation yog cov txheej txheem qeeb, thiab cov khoom siv roj adiabatic "micro-combustion" tiam ntawm cov kua roj vanish nrawm dua.Thaum kawg, xws li qhov tsis txaus ntawm cov roj lubricating, chav tsev nws tus kheej installation clearance yog me me heev, qhov tsis sib xws qag plhaub load faib kuj tseem yuav ua rau cov kua roj vanish.Thaum lub concentration ntawm polar oxide nyob rau hauv cov lubricants mus txog saturation ntawm ib tug tshwj xeeb kub siab, nag lossis daus nyob rau hauv lub puab nto ntawm cov hlau, rau qee qhov, nws yuav cuam tshuam rau lub tshav kub dissipation ntawm cov kabmob bush thiab ua rau cov kabmob bush kub hloov pauv lossis nce. .

 3.2 daws qhov teeb meem ntawm ncej kub nce

Rau lub plhaub kub hloov pauv, zam kev kaw tsis tau npaj tseg, nyob rau hauv pab pawg thiab thee chemical kev lag luam lag luam tshawb xyuas electrostatic adsorption, balanced charge, resin adsorption, low temperature los nag, mechanical filtration thiab ob peb varnish filter effect thiab market lub koob npe nrov, thaum kawg xaiv W VD electrostatic adsorption. + resin adsorption cov khoom siv ua kua roj vanish.Los ntawm electrostatic adsorption los daws cov kua roj vanish precipitated, los ntawm resin adsorption los daws cov kua roj vanish yaj, thiaj li daws tau tag nrho cov bearing bush kub fluctuation nce teeb meem tshwm sim los ntawm cov kua roj vanish, ntxiv rau, nyob rau hauv lub tshem tawm cov kua roj vanish txawv txav, tab sis kuj yuav daws tau qhov teeb meem ntawm cov kab mob. teeb meem ntawm roj paug.

3.2.1 Lub hauv paus ntsiab lus ua haujlwm thiab schematic daim duab ntawm electrostatic adsorption technology-Tshem tawm cov kua roj vanish hauv lub xeev precipitated

Lub hauv paus ntsiab lus ntawm electrostatic adsorption siv cov electrophoresis thiab lub zog dielectrophoresis uas tsim los ntawm high-voltage electrostatic teb, Polarize cov kab mob hauv cov roj thiab qhia cov hluav taws xob zoo thiab tsis zoo, raws li qhov zoo thiab qhov tsis zoo ntawm cov hluav taws xob ua luam dej hauv cov kev taw qhia ntawm qhov tsis zoo thiab qhov zoo. electrodes nyob rau hauv qhov kev txiav txim ntawm ultra-high voltage hluav taws xob teb, nruab nrab hais yog txav los ntawm ib tug khiav ntawm nqi hais, Thaum kawg, tag nrho cov hais tau adsorbed mus rau lub collector txuas nrog lub electrode, zoo meej tshem tawm cov pa phem los ntawm cov khoom roj, lub hauv paus ntsiab lus ntawm electrostatic adsorption. thev naus laus zis yog siv los ua kom tsis muaj zog polarity ntawm cov khoom siv roj tom qab kev ua kom huv, Tsis tu ncua tshem tawm cov kab mob txuas mus rau lub tank phab ntsa, cov kav dej, qhov chaw valve, Rau cov kav dej huv, txhawm rau txhim kho kev huv ntawm tag nrho cov roj system, muab kev lees paub zoo. rau kev ua haujlwm ruaj khov ntawm chav tsev.

3.2.2 Lub hauv paus ntsiab lus ua haujlwm thiab schematic daim duab ntawm ion resin adsorption technology-tshem tawm cov kua roj vanish yaj

Ionic resin thev naus laus zis tuaj yeem tshem tawm cov kua roj vanish.Thaum lub tshuab ua haujlwm, vim tias cov roj kub siab, cov kua roj vanish yaj (tseem hu ua cov kua roj vanish embryo) yog qhov ua tau zoo, tsis yooj yim tshem tawm nrog electrostatic adsorption technology, thiab ion resin adsorption technology tuaj yeem tshem tawm cov kuab paug hauv cov roj.Ion txauv resin feem ntau yog tsim los ntawm ob ntu: polymer skeleton thiab ion pauv pawg.Txoj cai adsorption yog qhia hauv daim duab hauv qab no.Cov pab pawg sib pauv tau muab faib ua ib feem ruaj khov thiab ua haujlwm, uas yog khi rau polymer matrix thiab tsis tuaj yeem txav mus los ua ions ruaj khov;cov active ib feem thiab taag ib feem yog ua ke los ntawm ion daim ntawv cog lus los ua exchangeable ions.Tsau ions thiab nquag ions muaj cov nqi sib txawv, feem.Nyob rau hauv cov kev daws teeb meem, lub active ib feem dissociates mus rau hauv dawb tsiv ions, pauv nrog rau lwm yam degradation khoom nrog tib nqi nyob rau hauv cov kev daws teeb meem, uas yog ua ke nrog cov ions ruaj khov thiab nrees adsorbed ntawm pab pawg sib pauv, thiaj li yuav tshem tawm cov kua roj vanish nyob rau hauv lub soluble varnish. daws thiab txo tus nqi MPC.

3.3 Tshem tawm covkua roj vanishnyhuv

Cov kua roj vanish lim tau raug ntsia thiab muab tso rau hauv kev siv.Tam sim no, cov xim ntawm cov roj tau zoo dua tom qab ib hlis ntawm kev lim dej.Los ntawm kev txheeb xyuas thiab kev tshawb nrhiav cov ntaub ntawv sab nraud, qhov kev xav tau ntawm cov kua roj vanish ntawm cov roj yog txo los ntawm 22.4 mus rau 2.5, cov pa phem yog txo los ntawm NAS9 mus rau 7, thiab cov kua qaub ntsuas ntsuas yog txo los ntawm 0.064 txog 0.048.

Table 2: M PC thiab kev ua kom huv si ua ntej pom

Table 3: lim M PC thiab huv qhov ntsuas

Table 4: acid tus nqi Performance index ua ntej pom

Table 5: Lim kua qaub ntsuas ntsuas

Daim duab 2: Xim sib txawv ua ntej thiab tom qab lim

Daim duab 3: Qhov kub thiab txias tom qab chav tsev lubricating roj pom (kub poob rau 67.1 ℃)

4. Cov txiaj ntsig nyiaj txiag tsim tawm

Los ntawm electrostatic adsorption nag lossis daus ntawm lub xeev cov kua roj vanish, los ntawm resin adsorption yaj kua roj vanish, thiaj li yuav daws tau tag nrho cov bearing bush kub thiab vibration fluctuation tshwm sim los ntawm cov kua roj vanish, kom tsis txhob muaj loj tso zis poob (txhua hnub poob ntawm urea tso zis 1700 tons, 3 lab yuan; yog nws yog qhib lub tog raj kheej hloov rotor, lub sij hawm tsawg kawg yog 3 hnub, 9 lab), thiab lub plhaub kub vibration nce kev sib hloov thiab sealing qhov chaw tshwm sim los ntawm cov khoom seem poob (poob ntawm 10-5 lab yuan).

WSD cov kua roj vanish tshem tawm tau raug ntsia thiab muab tso rau hauv kev siv.Tam sim no, cov xim ntawm cov roj tau zoo dua tom qab ib hlis ntawm kev lim dej.Los ntawm kev txheeb xyuas thiab kev tshawb nrhiav cov ntaub ntawv sab nraud, qhov kev xav tau ntawm cov kua roj vanish ntawm cov roj yog txo los ntawm 22.4 mus rau 2.5, cov pa phem yog txo los ntawm NAS9 mus rau 7, thiab cov kua qaub ntsuas ntsuas yog txo los ntawm 0.064 txog 0.048.Tsis tas li ntawd, chav tsev muaj txog li 150 lub thoob ntawm cov khoom siv roj, los ntawm kev tshem tawm cov kua roj vanish siab zoo pom cov roj tag nrho mus txog qhov tsim nyog Performance index, txuag cov nqi hloov roj thiab cov nqi roj pov tseg, tag nrho ntawm 400,000 RMB.

5 Kev xaus

Vim lub sij hawm ntev ntawm qhov kub thiab txias, kev kub siab thiab kev kub ceev ua haujlwm ntawm lub lubrication system ntawm chav tsev loj, cov roj oxidation ceev nrawm, cov kua roj vanish nce, thiab cov ntsiab lus gelatin nce.Mos impurities sib sau ua ke hauv chav tsev loj, uas cuam tshuam rau qhov tseeb ntawm kev tswj hwm kev ceev thiab kev ua haujlwm ntawm chav tsev.Nws yog ib qho yooj yim uas yuav ua rau muaj kev hloov pauv ntawm chav tsev lossis txawm tias tsis tau npaj kaw.Cov kua roj vanish muab tso rau ntawm cov kabmob bushing yuav ua rau kom cov kabmob bush kub, thiab adhesion ntawm cov kua roj vanish thiab cov khoom yuav ua rau hnyav hnyav ntawm cov khoom siv.Lub tshuab tshem tawm cov kua roj vanish tuaj yeem txhim kho qhov zoo ntawm cov roj lubricating ntawm chav tsev, xyuas kom lub sijhawm ntev kev ua haujlwm ruaj khov ntawm cov chav loj, ua kom lub sijhawm ua haujlwm ntawm cov roj lubricating, txhim kho kev ua haujlwm ntawm lub cev, thiab txo cov nqi yuav khoom ntawm lubricating. roj.