Yuav ua li cas txiav txim siab qhov zoo ntawm thermocouples? Qhov tseeb xaiv txoj kev ntawm thermocoples

1.} Yuav ua li cas los txiav txim seb puas yog thermocouple yog qhov zoo lossis tsis zoo
Thermocoter yog cov tseem ceeb ntawm kev lag luam ntsuas kub, thiab lawv cov kev ua tau zoo rau kev ua haujlwm los txiav txim siab seb puas yog qhov thermocouple yog qhov qub:

1.} Cov Ntsuas Kev Ntsuas
Cov kauj ruam ua haujlwm:
Siv ntau sib ntau los ntsuas cov nqi tiv thaiv ntawm ob xaus ntawm thermocouple {}}

Khov li qub:

K-hom thermocouple: hais txog 2-5 ω (ntawm chav tsev kub) .

J-hom thermocouple: txog 10-15 .

Kev Txiav Txim Txawv Tebchaws:

Infinite Kuj: Thermocouple sab hauv Circuit Co yog tawg .

Kev ua rau ze rau {0 ω: Luv Circuit Court lossis Rwb thaiv tsev txheej ua kom puas {}}

{{0 {}}} kev soj ntsuam
Cov Ntsiab Lus Tseem Ceeb:

Sheath Kev Ntseeg: Tshawb xyuas cov kab nrib pleb, xeb lossis deformation (tshwj xeeb tshaj yog nyob rau hauv acidic / kub.

Cov kev sib txuas: paub meej tias lub davhlau ya nyob twg tsis yog oxidized lossis xoob .

Cov kab mob uas muaj kuab paug: roj stains thiab cov carbon tso nyiaj yuav ua rau ntsuas kub tsis kub uas tsis kub {}}

3. kub sib piv xeem
Cov kauj ruam ua haujlwm:
Muab cov ntsuas kub thermocouple thiab tus ntsuas kub siab-precision nrog cov neeg muaj qhov tseeb (xws li cov roj kub ib puag ncig (xws li cov roj kub tsis tu ncua) nyob rau tib lub sij hawm .

Muaj kev pub txaus ntseeg:

Industrial-qib thermocouple: {{. 5℃(hauv thaj tsam ntawm0-400 degree).

Yog tias qhov sib txawv tshaj plaws ± 5 degree, nws yuav tsum tau hloov lossis ntsuas .

4. teeb duab kev ntsuas ruaj khov
Txoj kev kuaj pom:
Txuas rau qhov chaw kub lossis plc los saib seb cov paib tso zis tawm yog ruaj khov .

Teeb meem ib txwm muaj:

Kev hloov pauv teeb meem: Kev laus ntawm cov riam phom rwb thaiv tsev, kev cuam tshuam hluav taws xob hauv hluav taws xob .

Teeb liab drift: detheration ntawm cov khoom thermocouple (xws li oxidation) .

5.} rwb thaiv tsev ua haujlwm ntsuas
Cov kauj ruam ua haujlwm:
Siv Moohmeter (500v ntau tshaj) los ntsuas cov rwb thaiv tsev tsis kam ntawm thermocouple txhuas thiab cov sheath .

Txuj Ci Tsim Kho:

Nyob rau hauv chav tsev kub: ntau dua lossis sib npaug rau 100mω .

Ntawm qhov kub kub (xws li 300 degree): ntau dua lossis sib npaug nrog 1mω .

Tej yam yuav tshwm sim ntawm cov tsis ua tiav: Cov phiajcim cuam tshuam, khoom siv xau.

2.} thermocouple xaiv txoj kev
Qhov kev xaiv kom raug tuaj yeem txuas ntxiv lub neej pabcuam thiab txhim kho qhov ntsuas kub thiab txias qhov tseeb, thiab xav tau kev txiav txim siab ntawm 6 cejer cuam tshuam:

1. kub} qhov kub thiab txias
Siv tau kub ntawm ntau hom thermocouple:

Hom kub thiab txias (degree) cov ntawv teev npe raug cai
K Hom {-200 ~ 1300 boilers, Furraders, Extruders
J hom 0 ~ 750 Txhaj Tshuaj Molding Machine, Ua Zaub
T Hom -200 ~ 350 cov khoom siv kub tsawg
S Hom 0 ~ 1600 qhov kub kub kil, hlau smelting
2. ib puag ncig kev yoog
Corrosive ib puag ncig:
Xaiv Titanium Alloy (Ti6al4V) lossis Hastelloy (Hastelloy C276) Sheath .

Kev co siab / Kev co puag ncig:
Xaiv cov cuab yeej thermocouple (hlau xoos + rwb thaiv tsev oxide), lub zog compressive muaj zog tuaj yeem ncav cuag 500bar .

3.} Kev teb yuav tsum muaj
Kev sib raug zoo ntawm cov kab mob siab thiab lub sijhawm teb:

Shooth txoj kab uas hla (hli) teb (vib nas this)
1.5 <3
3.0 5-10
6.0 15-30
Cov lus teb nrawm: Yas Extruders, semiconductor manufacturing .

4.} qib kev ntsuas
Qib theem:

Chav Kawm 1: {{.} 5℃(0-400 degree).

Chav Kawm 2: ± 2.} 5℃(0-400 degree).

High-precision scenarios: Chav Kawm 0 . 5 (± 0.4 Qib) thiab khoom siv tshuaj kho mob.

5.} Txoj kev teeb tsa
Threaded kho: haum rau installation ntawm sab phab ntsa ntawm pipelines thiab reactors (m12 × 1 xov yog ntau).

Flange installation: Kev ntsuas kub ntawm cov tso tsheb hlau luam ntawm cov hlab ntsha siab (DN25 / 40 Flange tus qauv) {3}

Lub caij nplooj ntoo hlav compression hom: nruj haum yuav tsum muaj rau cov khoom siv tsis sib xws (xws li extruder screws).

6. tus nqi thiab txij nkawm
Kev daws teeb meem:
J-hom thermocouple (hlau-constantan) raug nqi 30% tsawg dua k-hom, tab sis muaj qis qis tshaj qhov kub txwv {}}

Lub Neej Yuav Tsum Tau Ua:
Xaiv Platinum-Rhodium Alloy AllOlo (S-hom) lossis Ceramic Sheath {2% Tshaj tawm ntawm {} lub sij hawm .

III {.} Kev Tshawb Xyuas Kev Tiv Thaiv
Rooj plaub 1: PVC Extruder Kub Tswj Kub
Yuav tsum muaj: Cov lus teb ceev (<5 seconds), high temperature resistance of 300°C, and resistance to plastic corrosion.

Kev Xaiv Kev Xaiv:

Qauv: K-Hom Armored thermocouple .

Sheath: 316 stainless hlau (resistant rau yas exteritive corrosion) .

Inch: 3mm (teb lub sijhawm yog li 8 feeb, ntsuas nrawm dua thiab lub zog).

Rooj plaub 2: Plating Tank Acid Cua Sov
Yuav tsum tau: tsis kam rau 10% sulfuric acid corrosion, IP68 waterproof .

Kev Xaiv Kev Xaiv:

Cov khoom siv: Titanium alloy sheath .

Ntawv pov thawj: CE / ATEX tawg-ntawv pov thawj ntawv pov thawj (tiv thaiv hydrogen txuam thiab tawg) {}}

{{04. Cov Teeb Meem thiab Cov Ntsiab Lus
Qhov ntsuas ntsuas kub tsawg dhau:

Tej zaum yuav ua rau: thermocouple txias kawg thov nyiaj them poob tsis .

Kev daws: Tshawb xyuas cov nyiaj them hluav taws xob sib txuas lossis hloov cov ntsuas cua nab kuab lossis hloov cov tshuab xa tawm module .

Kev cuam tshuam rau cov cim loj:

Tej Zaum: Shielded cable tsis siv lossis grounding yog tsis zoo .

Kev daws: Siv cov ntaub thaiv hlau sib dhos ntawm cov hlau xaim es tsis muaj tseeb-taw tes .

Nquag corrosion ntawm cov hnab riam:

Qhov ua tau: Cov khoom tsis phim qhov nruab nrab (xws li 304 stainless hlau siv hauv hydrochloric acid ib puag ncig) .

Kev daws: Hloov nrog TANTALUM (TA) lossis polytetrafluoroethylene (PTFE) coated sheath .

5. Cov Lus Qhia
Kev ntseeg tau ntawm thermocouples nyob ntawm ntawm kev xaiv raug thiab tu ib txwm:

Kev Txiav Txim Siab Los Yog Qhov Zoo lossis Tsis Zoo: Nrhiav cov yuam kev sai sai los ntawm kev tawm tsam, Rwb thaiv tsev, thiab kev sib piv cov ntawv .

Kev Xaiv Yog: Txuas txoj kev daws teeb meem zoo tshaj plaws raws li qhov tsis xws li qhov kub, ib puag ncig, thiab teb ceev ceev .

Muaj qhov kev xyaum zoo tshaj plaws: calibrate txhua 6 lub hlis thiab kuaj cov riam phom txhua 3 lub hlis hauv ib puag ncig kub / Corrosive ib puag ncig.