Ukubalwa Nokukhethwa Kwebanga Le-Vortex Flowmeter

Ukubalwa Nokukhethwa Kwebanga Le-Vortex Flowmeter

I-vortex flowmeter ingalinganisa ukuhamba kwegesi, uketshezi nomoya, njengokugeleza kwevolumu, ukugeleza kwesisindo, ukugeleza kwevolumu, njll. Umphumela wokulinganisa muhle futhi ukunemba kuphezulu. Luhlobo olusetshenziswa kakhulu kakhulu lokulinganisa uketshezi kumaphayiphi ezimboni futhi lunemiphumela emihle yokukala.

Ububanzi bokulinganisa kwe-vortex flowmeter bukhulu, futhi ithonya esilinganisweni lincane. Isibonelo, ukuminyana komoya, ingcindezi, i-viscosity, njll. Ngeke kuthinte umsebenzi wokulinganisa we-vortex flowmeter, ngakho-ke ukusebenza kusenamandla kakhulu.

Inzuzo ye-vortex flowmeter ububanzi bayo bokulinganisa obukhulu. Ukuthembeka okuphezulu, akukho ukugcinwa kwemishini, ngoba azikho izingxenye zemishini. Ngale ndlela, noma ngabe isikhathi sokulinganisa side, amapharamitha wokubonisa angazinza ngokuqhathaniswa. Ngenzwa yengcindezi, ingasebenza kuzinga lokushisa eliphansi nasendaweni yokushisa ephezulu enokuguquguquka okunamandla. Phakathi kwezinsimbi zokulinganisa ezifanayo, i-vortex flowmeter iyona ndlela efanelekile. Manje, izimboni eziningi zisebenzisa lolu hlobo lwensimbi ukukala inani kangcono futhi ngokunembe kakhudlwana.

Isibonelo: 0.13-0.16 1 / L, ungalinganisa i-bai ngokwakho, ulinganise ububanzi bekholomu unxantathu, bese kuthi ipharamitha yeStraw du Hall iphakathi kuka-0.16-0.23 (ibalwe ngo-0.17).

f = Ifomula le-StV / d (1)

Lapho i-dao:

Imvamisa ye-f-Carman vortex ekhiqizwe ohlangothini olulodwa lwe-generator

Inombolo ye-St-Strohal (inombolo engenakubalwa)

V-isilinganiso sokugeleza esijwayelekile soketshezi

d-ububanzi be-vortex generator (qaphela iyunithi)

Ngemuva kokubala imvamisa

I-K = f * 3.6 / (v * D * D / 353.7)

K: ukugeleza kokulingana

f: Imvamisa ekhiqizwa ngesilinganiso sokugeleza okusethiwe

D: Ukulinganiswa kwemitha yokugeleza

V: Izinga lokugeleza

Ukukhethwa kobubanzi be-flowmeter

Umsebenzi nenguqulo yesikhulisi samandla esimhlophe kanye neDu amplifier ye-vortex flowmeter yehlukile.

Ibanga lokulinganisa le-vortex flowmeter
Igesi Ubukhulu Umkhawulo ophansi wokulinganisa
(m3 / h)
Umkhawulo wokulinganisa
(m3 / h)
Ibanga lokulinganisa elingakhethwa
(m3 / h)
Ibanga lokuvama kokukhipha
(Hz)
15 5 30 5-60 460-3700
20 6 50 6-60 220-3400
25 8 60 8-120 180-2700
32 14 100 14-150 130-1400
40 18 180 18-310 90-1550
50 30 300 30-480 80-1280
65 50 500 50-800 60-900
80 70 700 70-1230 40-700
100 100 1000 100-1920 30-570
125 150 1500 140-3000 23-490
150 200 2000 200-4000 18-360
200 400 4000 320-8000 13-325
250 600 6000 550-11000 11-220
300 1000 10000 800-18000 9-210
Uketshezi Ubukhulu Umkhawulo ophansi wokulinganisa
(m3 / h)
Umkhawulo wokulinganisa
(m3 / h)
Ibanga lokulinganisa elingakhethwa
(m3 / h)
Ibanga lokuvama kokukhipha
(Hz)
15 1 6 0.8-8 90-900
20 1.2 8 1-15 40-600
25 2 16 1.6-18 35-400
32 2.2 20 1.8-30 20-250
40 2.5 25 2-48 10-240
50 3.5 35 3-70 8-190
65 6 60 5-85 7-150
80 13 130 10-170 6-110
100 20 200 15-270 5-90
125 30 300 25-450 4.5-76
150 50 500 40-630 3.58-60
200 100 1000 80-1200 3.2-48
250 150 1500 120-1800 2.5-37.5
300 200 2000 180-2500 2.2-30.6

1. I-vortex flowmeter enemisebenzi elula ifaka phakathi izinketho zepharamitha ezilandelayo:
I-coefficient yensimbi, ukusika kwesiginali encane, uhla lokukhipha oluhambelana no-4-20mA, isikhathi sokusampula noma sokuncipha, ukususwa kokuqongelela, njll.

2. Ngaphezu kwalokho, i-vortex flowmeter ephelele ngokuphelele ifaka phakathi izinketho zepharamitha ezilandelayo:
Ukulinganisa uhlobo oluphakathi, ukusethwa kwesinxephezelo sokugeleza, iyunithi yokugeleza okukhiphayo, izinga lokushisa elingaphezulu nelingaphansi, ingcindezi ephezulu nomkhawulo ophansi, ingcindezi yendawo yendawo, ukuminyana kwesimo esijwayelekile, ukulungiselelwa kokuxhumana


Isikhathi Iposi: Apr-26-2021