Ts'ebetsong ea tlhahiso ea indasteri le tlhahiso, litanka tse ling tse lekantsoeng li bonolo ho kristale, li bososela haholo, li senya haholo, 'me ho bonolo ho li tiisa. Li-transmitters tsa khatello e le 'ngoe le tse peli tsa flange hangata li sebelisoa liketsahalong tsena. , Tse kang: litanka, litora, likotlolo, le litanka tsa limela tsa ho pheha; litanka tsa polokelo ea metsi bakeng sa tlhahiso ea likarolo tsa mouoane, litanka tsa polokelo ea boemo ba mokelikeli bakeng sa limela tsa desulfurization le denitrification. Barab'abo rōna ba masoha le ba habeli ba flange ba na le likopo tse ngata, empa ba fapane le phapang lipakeng tsa tse bulehileng le tse tiisitsoeng. Litanka tse bulehileng tsa flange e le 'ngoe li ka koaloa litanka, ha li-flange tse peli li na le litanka tse koetsoeng ho feta bakeng sa basebelisi.
Molao-motheo oa ho fetisa khatello e le 'ngoe ea flange e lekanyang boemo ba mokelikeli
Transmitter ea khatello e le 'ngoe ea flange e etsa phetoho ea boemo ka ho lekanya botebo ba tanka e bulehileng, Tekanyo ea boemo ba lijana tse bulehileng.
Ha o lekanya boemo ba mokelikeli oa setshelo se bulehileng, transmitter e kenngoa haufi le tlase ea setshelo ho lekanya khatello e tsamaellanang le bophahamo ba boemo ba mokelikeli ka holim'a eona. Joalokaha ho bontšitsoe setšoantšong sa 1-1.
Khatello ea boemo ba mokelikeli oa setshelo e hokahane le lehlakoreng le phahameng la khatello ea mochine, 'me lehlakore le tlaase le bulehile moeeng.
Haeba boemo ba mokelikeli bo tlase ka ho fetesisa ba tekanyo ea phetoho ea boemo ba mokelikeli bo le ka holim'a sebaka sa ho kenya transmitter, transmitter e tlameha ho falla hantle.
Setšoantšo sa 1-1 Mohlala oa ho metha mokelikeli ka setshelo se bulehileng
E re X e be sebaka se emeng lipakeng tsa boemo ba mokelikeli bo tlase le bo phahameng ka ho fetesisa bo lokelang ho lekanyetsoa, X=3175mm.
Y ke sebaka se otlolohileng ho tloha boema-kepe ba khatello ea transmitter ho ea boemong bo tlase ba mokelikeli, y=635mm. ρ ke boima ba mokelikeli, ρ=1.
h ke hlooho e phahameng ea khatello e hlahisoang ke kholomo ea metsi X, ho KPa.
e ke hlooho ea khatello e hlahisoang ke kholomo ea mokelikeli Y, ho KPa.
1mH2O=9.80665Pa (e tšoanang ka tlase)
Mekhahlelo ea ho lekanya e tloha ho e ho ea ho e+h kahoo: h=X·ρ=3175×1=3175mmH2O=31.14KPa
e=y·ρ=635×1= 635mmH2O= 6.23KPa
Ke hore, tekanyo ea ho lekanya ea transmitter ke 6.23KPa～37.37KPa.
Ka bokhutšoanyane, re lekanya bophahamo ba boemo ba mokelikeli:
Bophahamo ba boemo ba mokelikeli H=(P1-P0)/(ρ*g)+D/(ρ*g);
Tlhokomeliso: P0 ke khatello ea hona joale ea sepakapaka;
P1 ke boleng ba khatello ea ho lekanya lehlakore le phahameng la khatello;
D ke palo ea ho falla ha lefela.
Molao-motheo oa ho fetisa khatello ea flange habeli ho lekanya boemo ba mokelikeli
Transmitter ea khatello e habeli ea flange e etsa phetoho ea maemo ka ho lekanya botebo ba tanka e tiisitsoeng: Khokahano e omileng ea impulse.
Haeba khase e ka holim'a metsi a metsi e sa fokotsehe, phala e kopanyang lehlakoreng le tlaase la mochine o fetisang o lula o omme. Boemo bona bo bitsoa khokahano ea sefofane se ommeng. Mokhoa oa ho khetholla mefuta ea ho lekanya ea transmitter o tšoana le oa boemo ba mokelikeli ka sejaneng se bulehileng. (Sheba setšoantšo sa 1-2).
Haeba khase e mokelikeli e kokobela, mokelikeli o tla bokella butle-butle ka har'a tube e tataisang khatello e lehlakoreng la khatello e tlase ea transmitter, e leng se tla baka liphoso tsa tekanyo. E le ho felisa phoso ena, pele u tlatsa tube e tataisang lehlakoreng la khatello e tlase ea mochine ka mokelikeli o itseng. Boemo bona bo bitsoa khokahano ea tataiso ea khatello ea metsi.
Boemong bo ka holimo, ho na le hlooho ea khatello ka lehlakoreng le tlaase la khatello ea mochine, kahoo ho falla ho fosahetseng ho tlameha ho etsoa (sheba setšoantšo sa 1-2)
Setšoantšo sa 1-2 Mohlala oa tekanyo ea mokelikeli ka har'a setshelo se koetsoeng
E re X e be sebaka se emeng lipakeng tsa boemo ba mokelikeli bo tlase le bo phahameng ka ho fetesisa bo lokelang ho lekanyetsoa, X=2450mm. Y ke sebaka se otlolohileng ho tloha boema-kepe ba khatello ea transmitter ho ea boemong bo tlase ba mokelikeli, Y=635mm.
Z ke sebaka ho tloha tlhōrōng ea phaephe e tataisang e tletseng metsi ho ea moleng oa motheo oa transmitter, Z=3800mm,
ρ1 ke boima ba mokelikeli, ρ1=1.
ρ2 ke letsoalo la mokelikeli o tlatsang oa kotopo e tlase ea khatello e tlase, ρ1=1.
h ke hlooho e phahameng ea khatello e hlahisoang ke kholomo ea metsi e lekiloeng X, ho KPa.
e ke hlooho e phahameng ea khatello e hlahisoang ke kholomo ea mokelikeli e lekiloeng ea Y, ho KPa.
s ke hlooho ea khatello e hlahisoang ke kholomo ea mokelikeli e pakiloeng Z, ho KPa.
Lethathamo la tekanyo ke ho tloha ho (es) ho ea ho (h+es), joale
h=X·ρ1=2540×1 =2540mmH2O =24.9KPa
e=Y·ρ1=635×1=635mmH2O =6.23KPa
s=Z·ρ2=3800×1=3800mmH2O=37.27KPa
Kahoo: es=6.23-37.27=-31.04KPa
h+e-s=24.91+6.23-37.27=－6.13KPa
Tlhokomeliso: Ka bokhutšoane, ha e le hantle re lekanya bophahamo ba boemo ba mokelikeli: bophahamo ba boemo ba mokelikeli H=(P1-PX)/(ρ*g)+D/(ρ*g);
Tlhokomeliso: PX ke ho lekanya boleng ba khatello ea lehlakore le tlase la khatello;
P1 ke boleng ba khatello ea ho lekanya lehlakore le phahameng la khatello;
D ke palo ea ho falla ha lefela.
Tlhokomelo ea ho Hloma
Taba ea ho kenya flange e le 'ngoe
1. Ha sesebelisoa se le seng sa "flange" se ikhethileng bakeng sa litanka tse bulehileng se sebelisoa bakeng sa tekanyo ea boemo ba mokelikeli ba litanka tse bulehileng tsa metsi, lehlakore la L la sehokelo sa lehlakore le tlase le lokela ho buleha sepakapakeng.
2. Bakeng sa tanka ea metsi e tiisitsoeng, tube e tataisang khatello bakeng sa ho tataisa khatello ka tanka ea metsi e lokela ho ba liphaephe ka lehlakoreng la L la sebopeho se tlaase sa khatello. E totobatsa khatello ea litšupiso ea tanka. Ho phaella moo, kamehla u tlose valve ea drain ka lehlakoreng la L ho ntša condensate ka kamoreng ea L, ho seng joalo e tla baka liphoso tekanyong ea boemo ba mokelikeli.
3. Transmitter e ka kopanngoa le ho kenngoa ha flange ka lehlakoreng le phahameng-khatello joalokaha ho bontšitsoe ho Setšoantšo sa 1-3. Letlapa le ka lehlakoreng la tanka hangata ke flange e tsamaeang, e tsitsitseng ka nako eo 'me e ka chesetsoa ka ho tobetsa hanngoe, e leng bonolo bakeng sa ho kenya setšeng.
Setšoantšo sa 1-3 Mohlala oa ho kenya mochine o fetisang boemo ba mokelikeli oa mofuta oa flange
1) Ha o lekanya boemo ba mokelikeli oa tanka ea mokelikeli, boemo ba mokelikeli bo tlaase ka ho fetisisa (ntlha ea zero) bo lokela ho behoa bohōle ba 50mm kapa ho feta ho tloha bohareng ba setifikeiti sa diaphragm se nang le khatello e phahameng. Setšoantšo sa 1-4:
Setšoantšo sa 1-4 Mohlala oa ho kenya tanka ea metsi
2) Kenya "diaphragm" ea flange ka lehlakoreng le phahameng (H) le tlase (L) la tanka joalo ka ha ho bonts'itsoe ho transmitter le sensor label.
3) E le ho fokotsa tšusumetso ea phapang ea mocheso oa tikoloho, li-tubes tsa capillary tse lehlakoreng le phahameng-khatello li ka tlamisoa hammoho le ho lokisoa ho thibela tšusumetso ea moea le ho sisinyeha (li-capillary tubes tsa karolo e telele haholo li lokela ho phuthoa hammoho le ho tsitsisoa).
4) Nakong ea ts'ebetso ea ho kenya, leka ho se sebelise khatello ea lerotholi ea mokelikeli o tiisang ho tiiso ea diaphragm ka hohle kamoo ho ka khonehang.
5) 'Mele oa transmitter o lokela ho kengoa hole ho feta 600mm ka tlase ho karolo e phahameng ea khatello e lehlakoreng le hole ea flange diaphragm seal, e le hore khatello e theohang ea mokelikeli oa capillary seal e eketsoa 'meleng oa transmitter ka hohle kamoo ho ka khonehang.
6) Ha e le hantle, haeba e ke ke ea kenngoa 600mm kapa ho feta ka tlas'a karolo ea ho kenya karolo ea flange diaphragm seal ka lebaka la ho fokotsa maemo a ho kenya. Kapa ha 'mele oa transmitter o ka kengoa feela ka holim'a karolo ea ho kenya tiiso ea flange ka lebaka la mabaka a sepheo, boemo ba eona ba ho kenya bo tlameha ho kopana le foromo e latelang ea lipalo.
1) h: bolelele bo pakeng tsa karolo e hole ea setiiso sa diaphragm le 'mele oa transmitter (mm);
① Ha h≤0, 'mele oa transmitter o lokela ho kenngoa ka holimo ho h (mm) ka tlase ho karolo ea ho kenya tiiso ea flange diaphragm.
②Ha h> 0, 'mele oa transmitter o lokela ho kenngoa ka tlase ho h (mm) ka holim'a karolo ea ho kenya tiiso ea flange diaphragm.
2) P: Khatello ea ka hare ea tanka ea metsi (Pa abs);
3) P0: Moeli o tlase oa khatello e sebelisoang ke 'mele oa transmitter;
4) Mocheso oa tikoloho: -10～50℃.
Nako ea poso: Dec-15-2021